JoaoJunior/formatted-java-preprocessed-code-APR

public Container read(final Long containerId) { return containerModel.read(containerId); }

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public void setDraft(final Container container, final ContainerDraft draft) { this.container = container; if (null != draft) { versionsModel.addElement(new VersionCell( MessageFormat.format("Draft - {0} documents.", draft.getDocumentCount()))); for (final Document document : draft.getDocuments()) { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format("{0} - {1}", document.getName(), draft.getState(document)))); } } }

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public void setDraft(final Container container, final ContainerDraft draft) { this.container = container; if (null != draft) { versionsModel.addElement(new VersionCell( MessageFormat.format("Draft - {0} documents.", draft.getDocumentCount()))); for (final Document document : draft.getDocuments()) { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format("{0} - {1}", document.getName(), draft.getState(document)))); } } }

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public void add(final ContainerVersion version, final List<Document> documents, final Map<User, ArtifactReceipt> users, final User publishedBy) { this.versions.add(version); this.documents.put(version, documents); this.users.put(version, users); this.publishedBy.put(version, publishedBy); versionsModel.addElement(new VersionCell(MessageFormat.format( "Version - {0,date,MMM d, yyyy h:mm a} - {1}", version .getCreatedOn().getTime(), publishedBy.getName(), publishedBy.getTitle(), publishedBy.getOrganization()))); for (final Document document : documents) { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format("{0}", document.getName()))); } for (final Entry<User, ArtifactReceipt> entry : users.entrySet()) { if (null == entry.getValue()) { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format("{0}", entry.getKey().getName()))); } else { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format( "{0} - {1,date,MMM d, yyyy h:mm a}", entry .getKey().getName(), entry.getValue() .getReceivedOn().getTime()))); } } }

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public void add(final ContainerVersion version, final List<Document> documents, final Map<User, ArtifactReceipt> users, final User publishedBy) { this.versions.add(version); this.documents.put(version, documents); this.users.put(version, users); this.publishedBy.put(version, publishedBy); versionsModel.addElement(new VersionCell(MessageFormat.format( "Version - {0,date,MMM d, yyyy h:mm a} - {1}", version .getCreatedOn().getTime(), publishedBy.getName(), publishedBy.getTitle(), publishedBy.getOrganization()))); for (final Document document : documents) { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format("{0}", document.getName()))); } for (final Entry<User, ArtifactReceipt> entry : users.entrySet()) { if (null == entry.getValue()) { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format("{0}", entry.getKey().getName()))); } else { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format( "{0} - {1,date,MMM d, yyyy h:mm a}", entry .getKey().getName(), entry.getValue() .getReceivedOn().getTime()))); } } }

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public void add(final ContainerVersion version, final List<Document> documents, final Map<User, ArtifactReceipt> users, final User publishedBy) { this.versions.add(version); this.documents.put(version, documents); this.users.put(version, users); this.publishedBy.put(version, publishedBy); versionsModel.addElement(new VersionCell(MessageFormat.format( "Version - {0,date,MMM d, yyyy h:mm a} - {1}", version .getCreatedOn().getTime(), publishedBy.getName(), publishedBy.getTitle(), publishedBy.getOrganization()))); for (final Document document : documents) { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format("{0}", document.getName()))); } for (final Entry<User, ArtifactReceipt> entry : users.entrySet()) { if (null == entry.getValue()) { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format("{0}", entry.getKey().getName()))); } else { versionsContentModel.addElement(new VersionContentCell( MessageFormat.format( "{0} - {1,date,MMM d, yyyy h:mm a}", entry .getKey().getName(), entry.getValue() .getReceivedOn().getTime()))); } } }

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public Border getBorder() { if(isLastItem()) { return new LeftBottomRightBorder(new Color(107, 111, 115, 255));} else { return new LeftRightBorder(new Color(107, 111, 115, 255)); } }

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public Float getTextInsetFactor() { return BrowserConstants.PHI; }

public Float getTextInsetFactor() { return 3.0F; }

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public Boolean isClosed() { return ArtifactUtil.isClosed(getId(), getType()); }

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public synchronized void next() throws IOException { if (!enabled) { if (isLoggedOn()) { if (!state.isLogoutSent()) { getLog().onEvent("Initiated logout request"); generateLogout(state.getLogoutReason()); } } else { return; } } if (!checkSessionTime()) { reset(); return; } if (!state.isLogonReceived()) { if (state.isLogonSendNeeded()) { if (generateLogon()) { getLog().onEvent("Initiated logon request"); } else { getLog().onEvent("Error during logon request initiation"); } } else if (state.isLogonAlreadySent() && state.isLogonTimedOut()) { getLog().onEvent("Timed out waiting for logon response"); disconnect(); } return; } if (state.getHeartBeatInterval() == 0) { return; } if (state.isLogoutTimedOut()) { getLog().onEvent("Timed out waiting for logout response"); disconnect(); } if (state.isWithinHeartBeat()) { return; } if (state.isTimedOut()) { getLog().onEvent("Timed out waiting for heartbeat"); disconnect(); } else { if (state.isTestRequestNeeded()) { generateTestRequest("TEST"); state.incrementTestRequestCounter(); getLog().onEvent("Sent test request TEST"); } else if (state.isHeartBeatNeeded()) { generateHeartbeat(); } } }

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public RSS() { super("Crawler.RSS"); poller = new Poller(1); }

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public void airBrushReceiveMessage(Message msg) { if (msg.type.equals("Feed.RSS")) { try { switchFeed(new URL(msg.content)); } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }

public boolean airBrushReceiveMessage(Message msg) { if (super.airBrushReceiveMessage(msg)) return true; if (msg.type.equals("Feed.RSS")) { try { switchFeed(new URL(msg.content)); } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }

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private void handleItem(ItemIF item) { Story s = new Story(); s.setID(item.getGuid().getLocation().replaceAll("[^\\p{Print}]", "")); s.setAuthor(item.getCreator().replaceAll("[^\\p{Print}]", "")); s.setTitle(item.getTitle().replaceAll("[^\\p{Print}]", "")); s.setContent(item.getDescription().replaceAll("[^\\p{Print}]", "")); s.setPublicationDate(item.getDate()); Message msg = new Message(); msg.to = "WB.Stories"; msg.type = "Story"; msg.content = s.toYAML(); airBrush.postMessage(msg); }

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public CrawlerObject(String moduleName) { super(moduleName); }

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public void airBrushReceiveMessage(Message msg);

public boolean airBrushReceiveMessage(Message msg);

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public void setPublicationDate(String value) { setProperty(keyPublicationDate, value); }

public void setPublicationDate(Date value) { setProperty(keyPublicationDate, value); }

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void publish(final ContainerVersion container, final Map<DocumentVersion, String> documents, final List<JabberId> publishTo, final JabberId publishedBy, final Calendar publishedOn) throws IOException { logger.logApiId(); logger.logVariable("container", container); logger.logVariable("documents", documents); logger.logVariable("publishTo", publishTo); logger.logVariable("publishedBy", publishedBy); logger.logVariable("publishedOn", publishedOn); int i = 0; final Set<Entry<DocumentVersion, String>> entries = documents.entrySet(); for (final Entry<DocumentVersion, String> entry : entries) { // publish artifact final XMPPMethod publishArtifact = new XMPPMethod(Service.Container.PUBLISH_ARTIFACT); publishArtifact.setParameter("uniqueId", container.getArtifactUniqueId()); publishArtifact.setParameter("versionId", container.getVersionId()); publishArtifact.setParameter("name", container.getName()); publishArtifact.setParameter("artifactCount", entries.size()); publishArtifact.setParameter("artifactIndex", i++); publishArtifact.setParameter("artifactUniqueId", entry.getKey().getArtifactUniqueId()); publishArtifact.setParameter("artifactVersionId", entry.getKey().getVersionId()); publishArtifact.setParameter("artifactName", entry.getKey().getName()); publishArtifact.setParameter("artifactType", entry.getKey().getArtifactType()); publishArtifact.setParameter("artifactChecksum", entry.getKey().getChecksum()); publishArtifact.setParameter("artifactStreamId", entry.getValue()); publishArtifact.setParameter("publishTo", "publishTo", publishTo); publishArtifact.setParameter("publishedBy", publishedBy); publishArtifact.setParameter("publishedOn", publishedOn); execute(publishArtifact); } // publish final XMPPMethod publish = new XMPPMethod(Service.Container.PUBLISH); publish.setParameter("uniqueId", container.getArtifactUniqueId()); publish.setParameter("versionId", container.getVersionId()); publish.setParameter("name", container.getName()); publish.setParameter("artifactCount", entries.size()); publish.setParameter("publishedBy", publishedBy); publish.setParameter("publishedTo", "publishedTo", publishTo); publish.setParameter("publishedOn", publishedOn); execute(publish); }

void publish(final ContainerVersion container, final Map<DocumentVersion, String> documents, final List<JabberId> publishTo, final JabberId publishedBy, final Calendar publishedOn) { logger.logApiId(); logger.logVariable("container", container); logger.logVariable("documents", documents); logger.logVariable("publishTo", publishTo); logger.logVariable("publishedBy", publishedBy); logger.logVariable("publishedOn", publishedOn); int i = 0; final Set<Entry<DocumentVersion, String>> entries = documents.entrySet(); for (final Entry<DocumentVersion, String> entry : entries) { // publish artifact final XMPPMethod publishArtifact = new XMPPMethod(Service.Container.PUBLISH_ARTIFACT); publishArtifact.setParameter("uniqueId", container.getArtifactUniqueId()); publishArtifact.setParameter("versionId", container.getVersionId()); publishArtifact.setParameter("name", container.getName()); publishArtifact.setParameter("artifactCount", entries.size()); publishArtifact.setParameter("artifactIndex", i++); publishArtifact.setParameter("artifactUniqueId", entry.getKey().getArtifactUniqueId()); publishArtifact.setParameter("artifactVersionId", entry.getKey().getVersionId()); publishArtifact.setParameter("artifactName", entry.getKey().getName()); publishArtifact.setParameter("artifactType", entry.getKey().getArtifactType()); publishArtifact.setParameter("artifactChecksum", entry.getKey().getChecksum()); publishArtifact.setParameter("artifactStreamId", entry.getValue()); publishArtifact.setParameter("publishTo", "publishTo", publishTo); publishArtifact.setParameter("publishedBy", publishedBy); publishArtifact.setParameter("publishedOn", publishedOn); execute(publishArtifact); } // publish final XMPPMethod publish = new XMPPMethod(Service.Container.PUBLISH); publish.setParameter("uniqueId", container.getArtifactUniqueId()); publish.setParameter("versionId", container.getVersionId()); publish.setParameter("name", container.getName()); publish.setParameter("artifactCount", entries.size()); publish.setParameter("publishedBy", publishedBy); publish.setParameter("publishedTo", "publishedTo", publishTo); publish.setParameter("publishedOn", publishedOn); execute(publish); }

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protected void addEventHandler( final XMPPEventHandler eventHandler, final Class<? extends U> queryType) { xmppCore.addPacketListener( new PacketListener() { @SuppressWarnings("unchecked") public void processPacket(final Packet packet) { logger.logInfo("Remote event {0}.", packet.getClass().getName()); try { eventHandler.handleEvent((U) packet); } catch (final Throwable t) { throw translateError(t); } } }, new PacketTypeFilter(queryType)); }

protected void addEventHandler( final XMPPEventHandler eventHandler, final Class<? extends U> queryType) { xmppCore.addPacketListener( new PacketListener() { @SuppressWarnings("unchecked") public void processPacket(final Packet packet) { try { eventHandler.handleEvent((U) packet); } catch (final Throwable t) { throw translateError(t); } } }, new PacketTypeFilter(queryType)); }

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public final void setParameter(final String listName, final String itemName, final List<JabberId> values) { final List<XMPPMethodParameter> parameters = new ArrayList<XMPPMethodParameter>(values.size()); for (final JabberId value : values) { parameters.add(new XMPPMethodParameter(itemName, JabberId.class, value)); } this.parameters.add(new XMPPMethodParameter(listName, List.class, parameters)); }

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protected void setUp() throws Exception { super.setUp(); final File workingDirectory = new File(getOutputDirectory(), "working"); Assert.assertTrue(workingDirectory.mkdir(), "Could not create directory {0}.", workingDirectory); final File streamFile = getInputFiles()[0]; final StreamServer server = startStreamServer(DesdemonaTestUser.JUNIT, workingDirectory); final StreamSession session = createSession(DesdemonaTestUser.JUNIT, server); final String streamId = createStream(server, session, streamFile.getName()); datum = new Fixture(new UpstreamHandler(server, session, streamId, new FileInputStream(streamFile))); }

protected void setUp() throws Exception { super.setUp(); final File workingDirectory = new File(getOutputDirectory(), "working"); Assert.assertTrue(workingDirectory.mkdir(), "Could not create directory {0}.", workingDirectory); final File streamFile = getInputFiles()[0]; final StreamServer server = startStreamServer(DesdemonaTestUser.JUNIT, workingDirectory); final StreamSession session = createSession(DesdemonaTestUser.JUNIT, server); final String streamId = createStream(server, session, streamFile.getName()); datum = new Fixture(new UpstreamHandler(server, session, streamId, streamFile.length(), new FileInputStream(streamFile))); }

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protected File getOutputDirectory() { final File outputDirectory = new File(getTestSession().getOutputDirectory(), getName()); if (!outputDirectory.exists()) { Assert.assertTrue(outputDirectory.mkdir(), "Could not create directory {0}.", outputDirectory); } return outputDirectory; }

protected File getOutputDirectory(final String child) { final File outputDirectory = new File(getTestSession().getOutputDirectory(), getName()); if (!outputDirectory.exists()) { Assert.assertTrue(outputDirectory.mkdir(), "Could not create directory {0}.", outputDirectory); } return outputDirectory; }

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protected File getOutputDirectory() { final File outputDirectory = new File(getTestSession().getOutputDirectory(), getName()); if (!outputDirectory.exists()) { Assert.assertTrue(outputDirectory.mkdir(), "Could not create directory {0}.", outputDirectory); } return outputDirectory; }

protected File getOutputDirectory() { final File outputDirectory = new File(getOutputDirectory(), child); if (!outputDirectory.exists()) { Assert.assertTrue(outputDirectory.mkdir(), "Could not create directory {0}.", outputDirectory); } return outputDirectory; }

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UpstreamHandler(final StreamServer streamServer, final StreamSession streamSession, final String streamId, final InputStream input) { super(); this.logger = new Log4JWrapper(); this.streamServer = streamServer; this.streamSession = streamSession; this.streamId = streamId; this.input = input; }

UpstreamHandler(final StreamServer streamServer, final StreamSession streamSession, final String streamId, final Long streamSize, final InputStream input) { super(); this.logger = new Log4JWrapper(); this.streamServer = streamServer; this.streamSession = streamSession; this.streamId = streamId; this.input = input; }

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public void run() { logger.logApiId(); try { final OutputStream output = streamServer.openOutputStream(streamSession, streamId); try { StreamUtil.copy(input, output, streamSession.getBufferSize()); } finally { output.close(); } } catch (final IOException iox) { throw new StreamException(iox); } }

public void run() { logger.logApiId(); try { final OutputStream output = streamServer.openOutputStream(streamSession, streamId); try { while((len = input.read(b)) > 0) { logger.logDebug("UPSTREAM RECEIVED {0}/{1}", total += len, streamSize); output.write(b, 0, len); output.flush(); } } finally { output.close(); } } catch (final IOException iox) { throw new StreamException(iox); } }

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public NumberFormat getNumberFormat(String format, Locale locale) { if (format == null) { return null; } NumberFormat nf = null; int style = getStyleAsInt(format); if (style < 0) { // we have a custom format nf = new DecimalFormat(format, new DecimalFormatSymbols(getLocale())); } else { // we have a standard format nf = getNumberFormat(style, locale); } return nf; }

public NumberFormat getNumberFormat(String format, Locale locale) { if (format == null) { return null; } NumberFormat nf = null; int style = getStyleAsInt(format); if (style < 0) { // we have a custom format nf = new DecimalFormat(format, new DecimalFormatSymbols(locale)); } else { // we have a standard format nf = getNumberFormat(style, locale); } return nf; }

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private void initComponents() { searchJTextField = TextFactory.create(); // COLOR SearchText 237,241,244,255 searchJTextField.setBackground(new Color(237, 241, 244, 255)); // BORDER SearchText TopBottom 204,215,226,255 searchJTextField.setBorder(new TopBottomBorder(new Color(204, 215, 226, 255))); searchJTextField.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { searchJTextFieldKeyTyped(e); } }); searchJTextField.getDocument().addDocumentListener(new DocumentListener() { public void changedUpdate(final DocumentEvent e) { searchJTextFieldChangedUpdate(e); } public void insertUpdate(final DocumentEvent e) { searchJTextFieldInsertUpdate(e); } public void removeUpdate(final DocumentEvent e) { searchJTextFieldRemoveUpdate(e); } }); searchLeftJLabel = LabelFactory.create(SEARCH_LEFT_ICON); searchLeftJLabel.addMouseListener(new MouseAdapter() { public void mouseClicked(final MouseEvent e) { searchLeftJLabelMouseClicked(e); } }); searchRightJLabel = LabelFactory.create(SEARCH_RIGHT_ICON); final GridBagConstraints c = new GridBagConstraints(); c.anchor = GridBagConstraints.EAST; c.insets.left = 167; add(searchLeftJLabel, c.clone()); c.anchor = GridBagConstraints.CENTER; c.fill = GridBagConstraints.BOTH; c.insets.left = 0; c.weightx = 1; add(searchJTextField, c.clone()); c.fill = GridBagConstraints.NONE; c.insets.left = 0; c.insets.right = 7; c.weightx = 0; add(searchRightJLabel, c.clone()); }

private void initComponents() { searchJTextField = TextFactory.create(); // COLOR SearchText 237,241,244,255 searchJTextField.setBackground(new Color(237, 241, 244, 255)); // BORDER SearchText TopBottom 204,215,226,255 searchJTextField.setBorder(new TopBottomBorder(new Color(204, 215, 226, 255))); searchJTextField.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { searchJTextFieldActionPerformed(e); } }); searchJTextField.getDocument().addDocumentListener(new DocumentListener() { public void changedUpdate(final DocumentEvent e) { searchJTextFieldChangedUpdate(e); } public void insertUpdate(final DocumentEvent e) { searchJTextFieldInsertUpdate(e); } public void removeUpdate(final DocumentEvent e) { searchJTextFieldRemoveUpdate(e); } }); searchLeftJLabel = LabelFactory.create(SEARCH_LEFT_ICON); searchLeftJLabel.addMouseListener(new MouseAdapter() { public void mouseClicked(final MouseEvent e) { searchLeftJLabelMouseClicked(e); } }); searchRightJLabel = LabelFactory.create(SEARCH_RIGHT_ICON); final GridBagConstraints c = new GridBagConstraints(); c.anchor = GridBagConstraints.EAST; c.insets.left = 167; add(searchLeftJLabel, c.clone()); c.anchor = GridBagConstraints.CENTER; c.fill = GridBagConstraints.BOTH; c.insets.left = 0; c.weightx = 1; add(searchJTextField, c.clone()); c.fill = GridBagConstraints.NONE; c.insets.left = 0; c.insets.right = 7; c.weightx = 0; add(searchRightJLabel, c.clone()); }

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private void initComponents() { searchJTextField = TextFactory.create(); // COLOR SearchText 237,241,244,255 searchJTextField.setBackground(new Color(237, 241, 244, 255)); // BORDER SearchText TopBottom 204,215,226,255 searchJTextField.setBorder(new TopBottomBorder(new Color(204, 215, 226, 255))); searchJTextField.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { searchJTextFieldKeyTyped(e); } }); searchJTextField.getDocument().addDocumentListener(new DocumentListener() { public void changedUpdate(final DocumentEvent e) { searchJTextFieldChangedUpdate(e); } public void insertUpdate(final DocumentEvent e) { searchJTextFieldInsertUpdate(e); } public void removeUpdate(final DocumentEvent e) { searchJTextFieldRemoveUpdate(e); } }); searchLeftJLabel = LabelFactory.create(SEARCH_LEFT_ICON); searchLeftJLabel.addMouseListener(new MouseAdapter() { public void mouseClicked(final MouseEvent e) { searchLeftJLabelMouseClicked(e); } }); searchRightJLabel = LabelFactory.create(SEARCH_RIGHT_ICON); final GridBagConstraints c = new GridBagConstraints(); c.anchor = GridBagConstraints.EAST; c.insets.left = 167; add(searchLeftJLabel, c.clone()); c.anchor = GridBagConstraints.CENTER; c.fill = GridBagConstraints.BOTH; c.insets.left = 0; c.weightx = 1; add(searchJTextField, c.clone()); c.fill = GridBagConstraints.NONE; c.insets.left = 0; c.insets.right = 7; c.weightx = 0; add(searchRightJLabel, c.clone()); }

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public void actionPerformed(final ActionEvent e) { searchJTextFieldKeyTyped(e); }

public void actionPerformed(final ActionEvent e) { searchJTextFieldActionPerformed(e); }

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public void artifactClosed(final UUID artifactUniqueId);

public void artifactClosed(final UUID artifactUniqueId, final JabberId artifactClosedBy);

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public void setUtcTimeStamp(int field, Date value, boolean includeMilliseconds) { String s = FieldValueConverter.UtcTimestampConverter.convert(value, includeMilliseconds); setField(new StringField(field, s)); }

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public void audit(final ArchiveEvent event) throws HypersonicException;

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public void start() { logger.debug(toolTip.getSize()); logger.debug(toolTip.getLocation()); timer.start(); }

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public void stop() { logger.debug(toolTip.getSize()); logger.debug(toolTip.getLocation()); timer.stop(); }

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protected User getUser(final String username) throws ParityException { final SessionModel sessionModel = getSessionModel(); Assert.assertTrue("getUser(String)", sessionModel.isLoggedIn()); final Collection<User> rosterEntries = sessionModel.getRosterEntries(); for(User user : rosterEntries) { if(user.getUsername().equals(username)) { return user; } } return null; }

protected User getUser(final String simpleUsername) throws ParityException { final SessionModel sessionModel = getSessionModel(); Assert.assertTrue("getUser(String)", sessionModel.isLoggedIn()); final Collection<User> rosterEntries = sessionModel.getRosterEntries(); for(User user : rosterEntries) { if(user.getUsername().equals(username)) { return user; } } return null; }

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protected User getUser(final String username) throws ParityException { final SessionModel sessionModel = getSessionModel(); Assert.assertTrue("getUser(String)", sessionModel.isLoggedIn()); final Collection<User> rosterEntries = sessionModel.getRosterEntries(); for(User user : rosterEntries) { if(user.getUsername().equals(username)) { return user; } } return null; }

protected User getUser(final String username) throws ParityException { final SessionModel sessionModel = getSessionModel(); Assert.assertTrue("getUser(String)", sessionModel.isLoggedIn()); final Collection<User> rosterEntries = sessionModel.getRosterEntries(); for(User user : rosterEntries) { if(user.getSimpleUsername().equals(simpleUsername)) { return user; } } return null; }

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public int compare(Artifact o1, Artifact o2) { final int compareResult = o1.getName().compareTo(o2.getName()); if(0 == compareResult) { return subCompare(o1, o2); } else { return compareResult * resultMultiplier; } }

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public void run() { logger.logApiId(); logger.logVariable("run", run); try { while (run) { started = true; synchronized (this) { notifyAll(); } // attempt to establish a socket connection try { clientSockets.push(serverSocket.accept()); } catch (final SocketException sx) { if ("Socket closed".equals(sx.getMessage())) { logger.logInfo("Stream socket server shutdown."); synchronized (this) { notifyAll(); } return; } else { throw sx; } } // use the socket delegate to handle the streaming try { new Thread(new StreamSocketDelegate(streamServer, clientSockets.peek()), clientSockets.peek().getRemoteSocketAddress().toString()).start(); } catch (final Throwable t) { logger.logError(t, "Failed to negotiate stream {0}.", clientSockets.peek().getRemoteSocketAddress()); } finally { clientSockets.pop(); } } } catch (final Throwable t) { logger.logFatal(t, "Fatal stream socket server error."); } }

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protected void paintComponent(final Graphics g) { super.paintComponent(g); if (searchJTextField.hasFocus()) { final Graphics2D g2 = (Graphics2D) g.create(); try { final Point leftLocation = leftJLabel.getLocation(); g2.drawImage(Images.BrowserTitle.HALO, leftLocation.x - 6, leftLocation.y - 7, null); } finally { g2.dispose(); } } }

protected void paintComponent(final Graphics g) { super.paintComponent(g); if (searchJTextField.hasFocus()) { final Graphics2D g2 = (Graphics2D) g.create(); try { final Point leftLocation = leftJLabel.getLocation(); g2.drawImage(Images.BrowserTitle.HALO, leftLocation.x - 4, leftLocation.y - 4, null); } finally { g2.dispose(); } } }

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public static String extract(final JTextField jTextField) { synchronized(singletonLock) { return singleton.doExtract(jTextField); } }

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public FieldException(int sessionRejectReason, int field) { this.sessionRejectReason = sessionRejectReason; this.field = field; }

public FieldException(int sessionRejectReason) { this.sessionRejectReason = sessionRejectReason; this.field = field; }

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public FieldException(int sessionRejectReason, int field) { this.sessionRejectReason = sessionRejectReason; this.field = field; }

public FieldException(int sessionRejectReason, int field) { this.sessionRejectReason = sessionRejectReason; this.field = -1; }

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public static double convert(String value) throws FieldConvertError { try { Matcher matcher = doublePattern.matcher(value); if (!matcher.matches()) { throw new NumberFormatException(); } return Double.parseDouble(value); } catch (NumberFormatException e) { throw new FieldConvertError("invalid double value: " + value); } }

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public static Date convert(String value) throws FieldConvertError { verifyFormat(value); String dateString = value.substring(0, 8); Calendar c = getCalendarForDay(value, dateString); long timeOffset = (parseLong(value.substring(9, 11)) * 3600000L) + (parseLong(value.substring(12, 14)) * 60000L) + (parseLong(value.substring(15, 17)) * 1000L); if (value.length() == 21) { timeOffset += parseLong(value.substring(18, 21)); } return new Date(c.getTimeInMillis() + timeOffset); }

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public void reload() { jListModel.clear(); reloadKeys(); reloadSystemMessages(); reloadDocuments(); }

public void reload() { jListModel.clear(); reloadSystemMessages(); reloadDocuments(); }

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private void reloadDocuments() { final Object[] elements = ((CompositeFlatContentProvider) contentProvider).getElements(0, null); Document d; for(final Object e : elements) { d = (Document) e; jListModel.addElement( DocumentListItem.create(d, keys.contains(d.getId()))); } }

private void reloadDocuments() { final Object[] elements = ((CompositeFlatContentProvider) contentProvider).getElements(0, null); Document d; for(final Object e : elements) { d = (Document) e; jListModel.addElement( DocumentListItem.create( d, ArtifactUtil.isKeyHolder(d.getId()))); } }

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public abstract IQ handleIQ(final IQ iq, final Session session) throws ParityServerModelException, UnauthorizedException;

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private void initComponents() { java.awt.GridBagConstraints gridBagConstraints; logoJLabel = new javax.swing.JLabel(); versionJLabel = new javax.swing.JLabel(); buildJLabel = new javax.swing.JLabel(); copyrightJLabel = new javax.swing.JLabel(); fillLeftJLabel = new javax.swing.JLabel(); webPageJLabel = new javax.swing.JLabel(); fillRightJLabel = new javax.swing.JLabel(); okJButton = new javax.swing.JButton(); fillBottomLeftJLabel = new javax.swing.JLabel(); setLayout(new java.awt.GridBagLayout()); logoJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); logoJLabel.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/thinkParityLogo.png"))); logoJLabel.setFocusable(false); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 1; gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTH; gridBagConstraints.weighty = 1.0; gridBagConstraints.insets = new java.awt.Insets(20, 0, 20, 0); add(logoJLabel, gridBagConstraints); versionJLabel.setFont(new java.awt.Font("Tahoma", 1, 12)); versionJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); java.util.ResourceBundle bundle = java.util.ResourceBundle.getBundle("localization/JPanel_Messages"); // NOI18N versionJLabel.setText(bundle.getString("DisplayInfoAvatar.Version")); // NOI18N versionJLabel.setFocusable(false); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 2; gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new java.awt.Insets(2, 15, 0, 15); add(versionJLabel, gridBagConstraints); buildJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); buildJLabel.setText(bundle.getString("DisplayInfoAvatar.Build")); // NOI18N buildJLabel.setFocusable(false); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 3; gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new java.awt.Insets(12, 15, 0, 15); add(buildJLabel, gridBagConstraints); copyrightJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); copyrightJLabel.setText(bundle.getString("DisplayInfoAvatar.Copyright")); // NOI18N copyrightJLabel.setFocusable(false); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 4; gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new java.awt.Insets(2, 15, 0, 15); add(copyrightJLabel, gridBagConstraints); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 5; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST; gridBagConstraints.weightx = 1.0; add(fillLeftJLabel, gridBagConstraints); webPageJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); webPageJLabel.setText(bundle.getString("DisplayInfoAvatar.WebPage")); // NOI18N webPageJLabel.setFocusable(false); webPageJLabel.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER); webPageJLabel.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { webPageJLabelMouseClicked(evt); } public void mouseEntered(java.awt.event.MouseEvent evt) { webPageJLabelMouseEntered(evt); } public void mouseExited(java.awt.event.MouseEvent evt) { webPageJLabelMouseExited(evt); } }); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 2; gridBagConstraints.gridy = 5; gridBagConstraints.insets = new java.awt.Insets(2, 0, 0, 0); add(webPageJLabel, gridBagConstraints); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 3; gridBagConstraints.gridy = 5; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST; gridBagConstraints.weightx = 1.0; add(fillRightJLabel, gridBagConstraints); okJButton.setText("OK"); okJButton.setPreferredSize(new java.awt.Dimension(65, 23)); okJButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { okJButtonActionPerformed(evt); } }); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 3; gridBagConstraints.gridy = 6; gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTHEAST; gridBagConstraints.insets = new java.awt.Insets(10, 0, 10, 10); add(okJButton, gridBagConstraints); fillBottomLeftJLabel.setPreferredSize(new java.awt.Dimension(65, 23)); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 6; gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTHWEST; gridBagConstraints.insets = new java.awt.Insets(10, 10, 10, 0); add(fillBottomLeftJLabel, gridBagConstraints); }// </editor-fold>//GEN-END:initComponents

private void initComponents() { java.awt.GridBagConstraints gridBagConstraints; logoJLabel = new javax.swing.JLabel(); versionJLabel = new javax.swing.JLabel(); buildJLabel = new javax.swing.JLabel(); copyrightJLabel = new javax.swing.JLabel(); fillLeftJLabel = new javax.swing.JLabel(); webPageJLabel = new javax.swing.JLabel(); fillRightJLabel = new javax.swing.JLabel(); okJButton = new javax.swing.JButton(); fillBottomLeftJLabel = new javax.swing.JLabel(); setLayout(new java.awt.GridBagLayout()); logoJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); logoJLabel.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/thinkParityLogo.png"))); logoJLabel.setFocusable(false); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 1; gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTH; gridBagConstraints.weighty = 1.0; gridBagConstraints.insets = new java.awt.Insets(20, 0, 20, 0); add(logoJLabel, gridBagConstraints); versionJLabel.setFont(new java.awt.Font("Tahoma", 1, 12)); versionJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); java.util.ResourceBundle bundle = java.util.ResourceBundle.getBundle("localization/JPanel_Messages"); // NOI18N versionJLabel.setText(bundle.getString("DisplayInfoAvatar.Version")); // NOI18N versionJLabel.setFocusable(false); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 2; gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new java.awt.Insets(2, 15, 0, 15); add(versionJLabel, gridBagConstraints); buildJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); buildJLabel.setText(bundle.getString("DisplayInfoAvatar.Build")); // NOI18N buildJLabel.setFocusable(false); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 3; gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new java.awt.Insets(12, 15, 0, 15); add(buildJLabel, gridBagConstraints); copyrightJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); copyrightJLabel.setText(bundle.getString("DisplayInfoAvatar.Copyright")); // NOI18N copyrightJLabel.setFocusable(false); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 4; gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.insets = new java.awt.Insets(2, 15, 0, 15); add(copyrightJLabel, gridBagConstraints); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 5; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST; gridBagConstraints.weightx = 1.0; add(fillLeftJLabel, gridBagConstraints); webPageJLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER); webPageJLabel.setText(bundle.getString("DisplayInfoAvatar.ExampleWebPage")); // NOI18N webPageJLabel.setFocusable(false); webPageJLabel.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER); webPageJLabel.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { webPageJLabelMouseClicked(evt); } public void mouseEntered(java.awt.event.MouseEvent evt) { webPageJLabelMouseEntered(evt); } public void mouseExited(java.awt.event.MouseEvent evt) { webPageJLabelMouseExited(evt); } }); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 2; gridBagConstraints.gridy = 5; gridBagConstraints.insets = new java.awt.Insets(2, 0, 0, 0); add(webPageJLabel, gridBagConstraints); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 3; gridBagConstraints.gridy = 5; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST; gridBagConstraints.weightx = 1.0; add(fillRightJLabel, gridBagConstraints); okJButton.setText("OK"); okJButton.setPreferredSize(new java.awt.Dimension(65, 23)); okJButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { okJButtonActionPerformed(evt); } }); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 3; gridBagConstraints.gridy = 6; gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTHEAST; gridBagConstraints.insets = new java.awt.Insets(10, 0, 10, 10); add(okJButton, gridBagConstraints); fillBottomLeftJLabel.setPreferredSize(new java.awt.Dimension(65, 23)); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 1; gridBagConstraints.gridy = 6; gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTHWEST; gridBagConstraints.insets = new java.awt.Insets(10, 10, 10, 0); add(fillBottomLeftJLabel, gridBagConstraints); }// </editor-fold>//GEN-END:initComponents

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private void webPageJLabelMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_webPageJLabelMouseClicked try { Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler http://www.thinkparity.com/"); } catch (final Throwable t) { throw new BrowserException(LAUNCH_WEB_BROWSER_ERROR, t); } }//GEN-LAST:event_webPageJLabelMouseClicked

private void webPageJLabelMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_webPageJLabelMouseClicked try { String runString = "rundll32 url.dll,FileProtocolHandler " + getWebPage(); Runtime.getRuntime().exec(runString);//www.thinkparity.com/"); } catch (final Throwable t) { throw new BrowserException(LAUNCH_WEB_BROWSER_ERROR, t); } }//GEN-LAST:event_webPageJLabelMouseClicked

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private void webPageJLabelMouseEntered(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_webPageJLabelMouseEntered webPageJLabel.setText(getString("WebPageHighlighted")); setCursor(new Cursor(Cursor.HAND_CURSOR)); }//GEN-LAST:event_webPageJLabelMouseEntered

private void webPageJLabelMouseEntered(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_webPageJLabelMouseEntered webPageJLabel.setText(getString("WebPageHighlighted", new Object[] {getWebPageString()})); setCursor(new Cursor(Cursor.HAND_CURSOR)); }//GEN-LAST:event_webPageJLabelMouseEntered

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private void webPageJLabelMouseExited(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_webPageJLabelMouseExited webPageJLabel.setText(getString("WebPage")); setCursor(null); }//GEN-LAST:event_webPageJLabelMouseExited

private void webPageJLabelMouseExited(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_webPageJLabelMouseExited webPageJLabel.setText(getString("WebPage", new Object[] {getWebPageString()})); setCursor(null); }//GEN-LAST:event_webPageJLabelMouseExited

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protected Avatar(final String l18nContext, final Color background) { this(l18nContext, ScrollPolicy.NONE, background); }

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protected String getString(final String localKey, final Object[] arguments) { return localization.getString(localKey, arguments); }

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void audit(final CloseEvent closeEvent) { logger.info("audit(CloseEvent)"); logger.debug(closeEvent); auditIO.audit(closeEvent); }

void audit(final CloseEvent closeEvent) { logger.info("[LMODEL] [AUDIT] [AUDIT CLOSE]"); logger.debug(closeEvent); auditIO.audit(closeEvent); }

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void delete(final Long artifactId) { logger.info("delete(Long)"); logger.debug(artifactId); auditIO.delete(artifactId); }

void delete(final Long artifactId) { logger.info("[LMODEL] [AUDIT] [DELETE]"); logger.debug(artifactId); auditIO.delete(artifactId); }

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Collection<AuditEvent> read(final Long artifactId) { logger.info("list(Long)"); logger.debug(artifactId); return auditIO.list(artifactId); }

Collection<AuditEvent> read(final Long artifactId) { logger.info("[LMODEL] [AUDIT] [READ]"); logger.debug(artifactId); return auditIO.list(artifactId); }

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private Fixture(final ArtifactModel aModel, final DocumentModel dModel, final Long documentId) { this.aModel = aModel; this.dModel = dModel; this.documentId = documentId; }

private Fixture(final ArtifactModel aModel, final DocumentModel dModel, final Long documentId, final Integer eTeamSize) { this.aModel = aModel; this.dModel = dModel; this.documentId = documentId; }

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protected void setUp() throws Exception { super.setUp(); data = new LinkedList<Fixture>(); final ArtifactModel aModel = getArtifactModel(); final DocumentModel dModel = getDocumentModel(); final SessionModel sModel = getSessionModel(); final ModelTestUser userX = ModelTestUser.getX(); // 2 scenarios // 0: i am the document key holder final File file0 = getInputFiles()[0]; final Document d0 = dModel.create(file0.getName(), file0.getName(), file0); addTeam(d0); modifyDocument(d0); dModel.publish(d0.getId()); data.add(new Fixture(aModel, dModel, d0.getId())); // 1: i am not the document key holder final File file1 = getInputFiles()[1]; final Document d1 = dModel.create(file1.getName(), file1.getName(), file1); addTeam(d1); modifyDocument(d1); dModel.publish(d1.getId()); sModel.sendKeyResponse(d1.getId(), userX.getJabberId(), KeyResponse.ACCEPT); data.add(new Fixture(aModel, dModel, d1.getId())); }

protected void setUp() throws Exception { super.setUp(); final ArtifactModel aModel = getArtifactModel(); final DocumentModel dModel = getDocumentModel(); final SessionModel sModel = getSessionModel(); final ModelTestUser userX = ModelTestUser.getX(); // 2 scenarios // 0: i am the document key holder final File file0 = getInputFiles()[0]; final Document d0 = dModel.create(file0.getName(), file0.getName(), file0); addTeam(d0); modifyDocument(d0); dModel.publish(d0.getId()); data.add(new Fixture(aModel, dModel, d0.getId())); // 1: i am not the document key holder final File file1 = getInputFiles()[1]; final Document d1 = dModel.create(file1.getName(), file1.getName(), file1); addTeam(d1); modifyDocument(d1); dModel.publish(d1.getId()); sModel.sendKeyResponse(d1.getId(), userX.getJabberId(), KeyResponse.ACCEPT); data.add(new Fixture(aModel, dModel, d1.getId())); }

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protected void setUp() throws Exception { super.setUp(); data = new LinkedList<Fixture>(); final ArtifactModel aModel = getArtifactModel(); final DocumentModel dModel = getDocumentModel(); final SessionModel sModel = getSessionModel(); final ModelTestUser userX = ModelTestUser.getX(); // 2 scenarios // 0: i am the document key holder final File file0 = getInputFiles()[0]; final Document d0 = dModel.create(file0.getName(), file0.getName(), file0); addTeam(d0); modifyDocument(d0); dModel.publish(d0.getId()); data.add(new Fixture(aModel, dModel, d0.getId())); // 1: i am not the document key holder final File file1 = getInputFiles()[1]; final Document d1 = dModel.create(file1.getName(), file1.getName(), file1); addTeam(d1); modifyDocument(d1); dModel.publish(d1.getId()); sModel.sendKeyResponse(d1.getId(), userX.getJabberId(), KeyResponse.ACCEPT); data.add(new Fixture(aModel, dModel, d1.getId())); }

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protected void setUp() throws Exception { super.setUp(); data = new LinkedList<Fixture>(); final ArtifactModel aModel = getArtifactModel(); final DocumentModel dModel = getDocumentModel(); final SessionModel sModel = getSessionModel(); final ModelTestUser userX = ModelTestUser.getX(); // 2 scenarios // 0: i am the document key holder final File file0 = getInputFiles()[0]; final Document d0 = dModel.create(file0.getName(), file0.getName(), file0); addTeam(d0); modifyDocument(d0); dModel.publish(d0.getId()); data.add(new Fixture(aModel, dModel, d0.getId())); // 1: i am not the document key holder final File file1 = getInputFiles()[1]; final Document d1 = dModel.create(file1.getName(), file1.getName(), file1); addTeam(d1); modifyDocument(d1); dModel.publish(d1.getId()); sModel.sendKeyResponse(d1.getId(), userX.getJabberId(), KeyResponse.ACCEPT); data.add(new Fixture(aModel, dModel, d1.getId())); }

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protected void tearDown() throws Exception { data.clear(); data = null; super.tearDown(); }

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public void testClose() { testLogger.info("[LMODEL] [DOCUMENT] [TEST CLOSE]"); Document document; Set<User> team; for(final Fixture datum : data) { try { datum.dModel.close(datum.documentId); } catch(final ParityException px) { fail(createFailMessage(px)); } document = null; try { document = datum.dModel.get(datum.documentId); } catch(final ParityException px) { fail(createFailMessage(px)); } assertNotNull("[LMODEL] [DOCUMENT] [TEST CLOSE] [DOCUMENT IS NULL]", document); assertEquals("[LMODEL] [DOCUMENT] [TEST CLOSE] [NON-CLOSED DOCUMENT STATE]", document.getState(), ArtifactState.CLOSED); team = datum.aModel.readTeam(datum.documentId); assertNotNull("[LMODEL] [DOCUMENT] [TEST CLOSE] [TEAM IS NULL]", team); assertEquals("[LMODEL] [DOCUMENT] [TEST CLOSE] [NON-ZERO TEAM SIZE]", team.size(), 0); } }

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public void testClose() { testLogger.info("[LMODEL] [DOCUMENT] [TEST CLOSE]"); Document document; Set<User> team; for(final Fixture datum : data) { try { datum.dModel.close(datum.documentId); } catch(final ParityException px) { fail(createFailMessage(px)); } document = null; try { document = datum.dModel.get(datum.documentId); } catch(final ParityException px) { fail(createFailMessage(px)); } assertNotNull("[LMODEL] [DOCUMENT] [TEST CLOSE] [DOCUMENT IS NULL]", document); assertEquals("[LMODEL] [DOCUMENT] [TEST CLOSE] [NON-CLOSED DOCUMENT STATE]", document.getState(), ArtifactState.CLOSED); team = datum.aModel.readTeam(datum.documentId); assertNotNull("[LMODEL] [DOCUMENT] [TEST CLOSE] [TEAM IS NULL]", team); assertEquals("[LMODEL] [DOCUMENT] [TEST CLOSE] [NON-ZERO TEAM SIZE]", team.size(), 0); } }

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public void testClose() { testLogger.info("[LMODEL] [DOCUMENT] [TEST CLOSE]"); Document document; Set<User> team; for(final Fixture datum : data) { try { datum.dModel.close(datum.documentId); } catch(final ParityException px) { fail(createFailMessage(px)); } document = null; try { document = datum.dModel.get(datum.documentId); } catch(final ParityException px) { fail(createFailMessage(px)); } assertNotNull("[LMODEL] [DOCUMENT] [TEST CLOSE] [DOCUMENT IS NULL]", document); assertEquals("[LMODEL] [DOCUMENT] [TEST CLOSE] [NON-CLOSED DOCUMENT STATE]", document.getState(), ArtifactState.CLOSED); team = datum.aModel.readTeam(datum.documentId); assertNotNull("[LMODEL] [DOCUMENT] [TEST CLOSE] [TEAM IS NULL]", team); assertEquals("[LMODEL] [DOCUMENT] [TEST CLOSE] [NON-ZERO TEAM SIZE]", team.size(), 0); } }

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public static Avatar create(final AvatarId id) { switch(id) { case BROWSER_LOGO: return SINGLETON.createBrowserLogo(); case BROWSER_MAIN: return SINGLETON.createBrowserMain(); case BROWSER_TITLE: return SINGLETON.createBrowserTitle(); case DOCUMENT_HISTORY_LIST: return SINGLETON.createDocumentHistoryList(); case SESSION_LOGIN: return SINGLETON.createSessionLogin(); case SESSION_SEND_FORM: return SINGLETON.createSessionSendForm(); case SESSION_SEND_KEY_FORM: return SINGLETON.createSessionSendKeyForm(); case SYSTEM_MESSAGE: return SINGLETON.createSystemMessage(); default: throw Assert.createUnreachable("Unknown avatar: " + id); } }

public static Avatar create(final AvatarId id) { switch(id) { case BROWSER_LOGO: return SINGLETON.createBrowserLogo(); case BROWSER_MAIN: return SINGLETON.createBrowserMain(); case BROWSER_TITLE: return SINGLETON.createBrowserTitle(); case DOCUMENT_HISTORY: return SINGLETON.createDocumentHistoryList(); case SESSION_LOGIN: return SINGLETON.createSessionLogin(); case SESSION_SEND_FORM: return SINGLETON.createSessionSendForm(); case SESSION_SEND_KEY_FORM: return SINGLETON.createSessionSendKeyForm(); case SYSTEM_MESSAGE: return SINGLETON.createSystemMessage(); default: throw Assert.createUnreachable("Unknown avatar: " + id); } }

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private Avatar createDocumentHistoryList() { if(null == documentHistoryList) { documentHistoryList = new DocumentHistoryListAvatar(controller); documentHistoryList.setContentProvider(ProviderFactory.getHistoryProvider()); } return documentHistoryList; }

private Avatar createDocumentHistoryList() { if(null == documentHistoryList) { documentHistoryList = new DocumentHistoryAvatar(controller); documentHistoryList.setContentProvider(ProviderFactory.getHistoryProvider()); } return documentHistoryList; }

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static final <T extends Artifact, U extends ArtifactVersion> BackupReader<T, U> emptyReader() { return new BackupReader<T, U>() { @Override public List<T> read() { return Collections.emptyList(); } @Override public T read(final UUID uniqueId) { return null; } @Override public List readVersions(final UUID uniqueId) { return Collections.emptyList(); } @Override protected Map<User, ArtifactReceipt> readPublishedTo(final UUID uniqueId, final Long versionId) { return Collections.emptyMap(); } }; }

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protected Map<User, ArtifactReceipt> readPublishedTo(final UUID uniqueId, final Long versionId) { return Collections.emptyMap(); }

public Map<User, ArtifactReceipt> readPublishedTo( final UUID uniqueId, final Long versionId) { return Collections.emptyMap(); }

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protected abstract Map<User, ArtifactReceipt> readPublishedTo(final UUID uniqueId, final Long versionId);

public abstract Map<User, ArtifactReceipt> readPublishedTo( final UUID uniqueId, final Long versionId);

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private void initComponents() { com.thinkparity.browser.application.browser.display.avatar.MainTitleAvatarSearchPanel searchPanel; searchPanel = new com.thinkparity.browser.application.browser.display.avatar.MainTitleAvatarSearchPanel(); tabPanel = new com.thinkparity.browser.application.browser.display.avatar.MainTitleAvatarTabPanel(); searchPanel.setMainTitleAvatar(this); tabPanel.setMainTitleAvatar(this); org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this); this.setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(layout.createSequentialGroup() .add(tabPanel, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 235, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED) .add(searchPanel, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 182, Short.MAX_VALUE) .addContainerGap()) ); layout.setVerticalGroup( layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(layout.createSequentialGroup() .addContainerGap(35, Short.MAX_VALUE) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(org.jdesktop.layout.GroupLayout.TRAILING, tabPanel, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(org.jdesktop.layout.GroupLayout.TRAILING, searchPanel, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))) ); }// </editor-fold>//GEN-END:initComponents

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

1,112,929

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; int errorsReported = 0; int warningsReported = 0; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) { if(DEBUG) println("!-----addInOffset mode: inOffset tranformation " + inOffset + "->" + (inOffset+lastInOffset)); inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset = lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset = lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + elementNumber + ":" + blockCount + ". ERROR: BT_ADC not supported."); ++errorsReported; if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + elementNumber + ":" + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + elementNumber + ":" + blockCount + ". WARNING: BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + elementNumber + ":" + blockCount + ". ERROR: BT_ZLIB Could not decode..."); ++errorsReported; if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + elementNumber + ":" + blockCount + ". ERROR: BT_BZIP2 not currently supported."); ++errorsReported; if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

1,112,940

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

1,112,941

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + elementNumber + ":" + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + elementNumber + ":" + blockCount + ". WARNING: Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + elementNumber + ":" + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + elementNumber + ":" + blockCount + ". WARNING: BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + elementNumber + ":" + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String summary = (errorsReported != 0)?errorsReported+" errors reported":"No errors reported"; summary += (warningsReported != 0)?" ("+warningsReported+" warnings emitted).":"."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(summary); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

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public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + summary + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

1,112,950

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { isoRaf.close(); dmgRaf.close(); } else { isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

public static void notmain(String[] args) throws Exception { if(DEBUG) verbose = true; parseArgs(args); if(graphical) { System.setProperty("swing.aatext", "true"); //Antialiased text try { javax.swing.UIManager.setLookAndFeel(javax.swing.UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) {} } printlnVerbose("Processing: " + dmgFile); RandomAccessFile dmgRaf = new RandomAccessFile(dmgFile, "r"); RandomAccessFile isoRaf = null; boolean testOnly = false; if(isoFile != null) { isoRaf = new RandomAccessFile(isoFile, "rw"); isoRaf.setLength(0); printlnVerbose("Extracting to: " + isoFile); } else { testOnly = true; printlnVerbose("Simulating extraction..."); } dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_1); long plistBegin1 = dmgRaf.readLong(); long plistEnd = dmgRaf.readLong(); dmgRaf.seek(dmgRaf.length()-PLIST_ADDRESS_2); long plistBegin2 = dmgRaf.readLong(); long plistSize = dmgRaf.readLong(); if(DEBUG) { println("Read addresses:", " " + plistBegin1, " " + plistBegin2); } if(plistBegin1 != plistBegin2) { println("Addresses not equal! Assumption broken... =/", plistBegin1 + " != " + plistBegin2); System.exit(0); } if(plistSize != (plistEnd-plistBegin1)) { println("plistSize field does not match plistEnd marker!", "plistSize=" + plistSize + " plistBegin1=" + plistBegin1 + " plistEnd=" + plistEnd + " plistEnd-plistBegin1=" + (plistEnd-plistBegin1)); } printlnVerbose("Jumping to address..."); dmgRaf.seek(plistBegin1); byte[] buffer = new byte[(int)plistSize]; dmgRaf.read(buffer); InputStream is = new ByteArrayInputStream(buffer); NodeBuilder handler = new NodeBuilder(); SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); try {// System.out.println("validation: " + saxParser.getProperty("validation"));// System.out.println("external-general-entities: " + saxParser.getProperty("external-general-entities"));// System.out.println("external-parameter-entities: " + saxParser.getProperty("external-parameter-entities"));// System.out.println("is-standalone: " + saxParser.getProperty("is-standalone"));// System.out.println("lexical-handler: " + saxParser.getProperty("lexical-handler"));// System.out.println("parameter-entities: " + saxParser.getProperty("parameter-entities"));// System.out.println("namespaces: " + saxParser.getProperty("namespaces"));// System.out.println("namespace-prefixes: " + saxParser.getProperty("namespace-prefixes"));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println(": " + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty(""));// System.out.println("" + saxParser.getProperty("")); //System.out.println("isValidating: " + saxParser.isValidating()); saxParser.parse(is, handler); } catch(SAXException se) { se.printStackTrace(); System.err.println("Could not read the partition list... exiting."); System.exit(1); } XMLNode[] rootNodes = handler.getRoots(); if(rootNodes.length != 1) { println("Could not parse DMG-file!"); System.exit(0); } /* Ok, now we have a tree built from the XML-document. Let's walk to the right place. */ /* cd plist cd dict cdkey resource-fork (type:dict) cdkey blkx (type:array) */ XMLNode current; XMLElement[] children; boolean keyFound; current = rootNodes[0]; //We are at plist... probably (there should be only one root node) current = current.cd("dict"); current = current.cdkey("resource-fork"); current = current.cdkey("blkx"); printlnVerbose("Found " + current.getChildren().length + " partitions:"); byte[] inBuffer = new byte[0x40000]; byte[] outBuffer = new byte[0x40000]; byte[] zeroblock = new byte[4096]; /* I think java always zeroes its arrays on creation... but let's play safe. */ for(int y = 0; y < zeroblock.length; ++y) zeroblock[y] = 0; LinkedList<DMGBlock> blocks = new LinkedList<DMGBlock>(); //long lastOffs = 0; long lastOutOffset = 0; long lastInOffset = 0; long totalSize = 0; boolean errorsFound = false; reportProgress(0); for(XMLElement xe : current.getChildren()) { if(progmon != null && progmon.isCanceled()) System.exit(0); if(xe instanceof XMLNode) { XMLNode xn = (XMLNode)xe; byte[] data = Base64.decode(xn.getKeyValue("Data")); long partitionSize = calculatePartitionSize(data); totalSize += partitionSize; printlnVerbose(" " + xn.getKeyValue("Name")); printlnVerbose(" ID: " + xn.getKeyValue("ID")); printlnVerbose(" Attributes: " + xn.getKeyValue("Attributes")); printlnVerbose(" Partition map data length: " + data.length + " bytes"); printlnVerbose(" Partition size: " + partitionSize + " bytes"); if(verbose) { printlnVerbose(" Dumping blkx..."); FileOutputStream fos = new FileOutputStream(xn.getKeyValue("ID") + ".blkx"); fos.write(data); fos.close(); } if(DEBUG) { File dumpFile = new File("data " + xn.getKeyValue("ID") + ".bin"); println(" Dumping partition map to file: " + dumpFile); FileOutputStream dump = new FileOutputStream(dumpFile); dump.write(data); dump.close(); } int offset = 0xCC; int blockType = 0; /* Offset of the input data for the current block in the input file */ long inOffset = 0; /* Size of the input data for the current block */ long inSize = 0; /* Offset of the output data for the current block in the output file */ long outOffset = 0; /* Size of the output data (possibly larger than inSize because of decompression, zero expansion...) */ long outSize = 0; long lastByteReadInBlock = -1; boolean addInOffset = false; //, lastInOffs = 0; int blockCount = 0; while(blockType != BT_END) { if(progmon != null && progmon.isCanceled()) System.exit(0); DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); int bytesSkipped = 0; while(bytesSkipped < offset) bytesSkipped += dis.skipBytes(offset-bytesSkipped); blockType = dis.readInt(); int skipped = dis.readInt(); //Skip 4 bytes forward outOffset = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward outSize = dis.readLong()*0x200;//(dis.readInt() & 0xffffffffL)*0x200; //unsigned int -> long inOffset = dis.readLong();// & 0xffffffffL; //unsigned int -> long //dis.readInt(); //Skip 4 bytes forward inSize = dis.readLong();//dis.readInt() & 0xffffffffL; //unsigned int -> long DMGBlock currentBlock = new DMGBlock(blockType, skipped, outOffset, outSize, inOffset, inSize); blocks.add(currentBlock); if(lastByteReadInBlock == -1) lastByteReadInBlock = inOffset; lastByteReadInBlock += inSize; /* The lines below are a "hack" that I had to do to make dmgx work with certain dmg-files. I don't understand the issue at all, which is why this hack is here, but sometimes inOffset == 0 means that it is 0 relative to the previous partition's last inOffset. And sometimes it doesn't (meaning the actual position 0 in the dmg file). */ if(addInOffset) inOffset += lastInOffset; else if(inOffset == 0) { addInOffset = true; inOffset += lastInOffset; } outOffset += lastOutOffset; if(DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset /*+ " lastInOffs=" + lastInOffs + " lastOffs=" + lastOffs*/); } if(blockType == BT_ADC) { println(" " + blockCount + ". BT_ADC not supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_ZLIB) { if(DEBUG) println(" " + blockCount + ". BT_ZLIB processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZLIB FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); try { DMGBlockHandlers.processZlibBlock(currentBlock, dmgRaf, isoRaf, testOnly, dummyMonitor); } catch(DataFormatException dfe) { println(" " + blockCount + ". BT_ZLIB Could not decode..."); if(!DEBUG) { println("outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize + " lastOutOffset=" + lastOutOffset + " lastInOffset=" + lastInOffset); } dfe.printStackTrace(); if(!testOnly) System.exit(0); else { println(" Testing mode, so continuing..."); //System.exit(0); errorsFound = true; break; } } } else if(blockType == BT_BZIP2) { println(" " + blockCount + ". BT_BZIP2 not currently supported."); if(!testOnly) System.exit(0); } else if(blockType == BT_COPY) { if(DEBUG) println(" " + blockCount + ". BT_COPY processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_COPY FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); dmgRaf.seek(/*lastOffs+*/inOffset); int bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)inSize, inBuffer.length)); long totalBytesRead = bytesRead; while(bytesRead != -1) { reportFilePointerProgress(dmgRaf); if(!testOnly) isoRaf.write(inBuffer, 0, bytesRead); if(totalBytesRead >= inSize) break; bytesRead = dmgRaf.read(inBuffer, 0, Math.min((int)(inSize-totalBytesRead), inBuffer.length)); if(bytesRead > 0) totalBytesRead += bytesRead; } //lastInOffs = inOffset+inSize; } else if(blockType == BT_ZERO) { if(DEBUG) println(" " + blockCount + ". BT_ZERO processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_ZERO FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); reportFilePointerProgress(dmgRaf); long numberOfZeroBlocks = outSize/zeroblock.length; int numberOfRemainingBytes = (int)(outSize%zeroblock.length); for(int j = 0; j < numberOfZeroBlocks; ++j) { if(!testOnly) isoRaf.write(zeroblock); } if(!testOnly) isoRaf.write(zeroblock, 0, numberOfRemainingBytes); //lastInOffs = inOffset+inSize; } else if(blockType == BT_UNKNOWN) { /* I have no idea what this blocktype is... but it's common, and usually doesn't appear more than 2-3 times in a dmg. As long as its input and output sizes are 0, there's no reason to complain... is there? */ if(DEBUG) println(" " + blockCount + ". BT_UNKNOWN processing..."); if(!(inSize == 0 && outSize == 0)) { println(" " + blockCount + ". WARNING! Blocktype BT_UNKNOWN had non-zero sizes...", " inSize=" + inSize + ", outSize=" + outSize); //println(" The author of the program would be pleased if you contacted him about this."); // ...or would I? } } else if(blockType == BT_END) { if(DEBUG) println(" " + blockCount + ". BT_END processing..."); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". BT_END FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); //lastOffs += lastInOffs; lastOutOffset = outOffset; lastInOffset += lastByteReadInBlock; } else { println(" " + blockCount + ". WARNING: previously unseen blocktype " + blockType + " [0x" + Integer.toHexString(blockType) + "]", " " + blockCount + ". outOffset=" + outOffset + " outSize=" + outSize + " inOffset=" + inOffset + " inSize=" + inSize); if(!testOnly && isoRaf.getFilePointer() != outOffset) println(" " + blockCount + ". unknown blocktype FP != outOffset (" + isoRaf.getFilePointer() + " != " + outOffset + ")"); } offset += 0x28; ++blockCount; } } } //printlnVerbose("Progress: 100% Done!"); reportProgress(100); String errors = errorsFound?"There were errors...":"No errors reported."; if(!graphical) { newline(); println(errors); printlnVerbose("Total extracted bytes: " + totalSize + " B"); } else { progmon.close(); JOptionPane.showMessageDialog(null, "Extraction complete! " + errors + "\n" + "Total extracted bytes: " + totalSize + " B", "Information", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } if(!DEBUG) { if(isoRaf != null) isoRaf.close(); dmgRaf.close(); } else { if(isoRaf != null) isoRaf.close();// System.out.println("blocks.size()=" + blocks.size());// for(DMGBlock b : blocks)// System.out.println(" " + b.toString()); LinkedList<DMGBlock> merged = mergeBlocks(blocks);// System.out.println("merged.size()=" + merged.size());// for(DMGBlock b : merged)// System.out.println(" " + b.toString()); println("Extracting all the parts not containing block data from source file:"); int i = 1; DMGBlock previous = null; for(DMGBlock b : merged) { if(previous == null && b.inOffset > 0) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(0); byte[] data = new byte[(int)(b.inOffset)]; dmgRaf.read(data); curFos.write(data); curFos.close(); } else if(previous != null) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(b.inOffset-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } previous = b; } if(previous.inOffset+previous.inSize != dmgRaf.length()) { String filename = i++ + ".block"; println(" " + new File(filename).getCanonicalPath() + "..."); FileOutputStream curFos = new FileOutputStream(new File(filename)); dmgRaf.seek(previous.inOffset+previous.inSize); byte[] data = new byte[(int)(dmgRaf.length()-(previous.inOffset+previous.inSize))]; dmgRaf.read(data); curFos.write(data); curFos.close(); } dmgRaf.close(); System.out.println("done!"); } }

1,112,951

public static void parseArgs(String[] args) { boolean parseSuccessful = false; try { /* Take care of the options... */ int i; for(i = 0; i < args.length; ++i) { String cur = args[i]; if(!cur.startsWith("-")) break; else if(cur.equals("-gui")) graphical = true; else if(cur.equals("-v")) verbose = true; else if(cur.equals("-startupcommand")) { startupCommand = args[i+1]; ++i; } } println(APPNAME + " " + BUILDSTRING, "Copyright (c) 2006 Erik Larsson <erik82@kth.se>", " written from the source code to the original dmg2iso program", " Copyright (c) 2004 vu1tur <v@vu1tur.eu.org>", " also using the iharder Base64 Encoder/Decoder <http://iharder.sf.net>", "", "This program is distributed under the GNU General Public License version 2 or", "later.", "See <http://www.gnu.org/copyleft/gpl.html> for the details.", ""); if(i == args.length) { dmgFile = getInputFileFromUser(); if(dmgFile == null) System.exit(0); if(getOutputConfirmationFromUser()) { isoFile = getOutputFileFromUser(); if(isoFile == null) System.exit(0); } } else { dmgFile = new File(args[i++]); if(!dmgFile.exists()) { println("File \"" + dmgFile + "\" could not be found!"); System.exit(0); } if(i == args.length-1) isoFile = new File(args[i]); else if(i != args.length) throw new Exception(); } parseSuccessful = true; } catch(Exception e) { println(); println(" usage: " + startupCommand + " [options] <dmgFile> [<isoFile>]"); println(" if an iso-file is not supplied, the program will simulate an extraction"); println(" (useful for detecting errors in dmg-files)"); println(); System.exit(0); } }

public static void parseArgs(String[] args) { boolean parseSuccessful = false; try { /* Take care of the options... */ int i; for(i = 0; i < args.length; ++i) { String cur = args[i]; if(!cur.startsWith("-")) break; else if(cur.equals("-gui")) { graphical = true; else if(cur.equals("-v")) verbose = true; else if(cur.equals("-startupcommand")) { startupCommand = args[i+1]; ++i; } } println(APPNAME + " " + BUILDSTRING, "Copyright (c) 2006 Erik Larsson <erik82@kth.se>", " written from the source code to the original dmg2iso program", " Copyright (c) 2004 vu1tur <v@vu1tur.eu.org>", " also using the iharder Base64 Encoder/Decoder <http://iharder.sf.net>", "", "This program is distributed under the GNU General Public License version 2 or", "later.", "See <http://www.gnu.org/copyleft/gpl.html> for the details.", ""); if(i == args.length) { dmgFile = getInputFileFromUser(); if(dmgFile == null) System.exit(0); if(getOutputConfirmationFromUser()) { isoFile = getOutputFileFromUser(); if(isoFile == null) System.exit(0); } } else { dmgFile = new File(args[i++]); if(!dmgFile.exists()) { println("File \"" + dmgFile + "\" could not be found!"); System.exit(0); } if(i == args.length-1) isoFile = new File(args[i]); else if(i != args.length) throw new Exception(); } parseSuccessful = true; } catch(Exception e) { println(); println(" usage: " + startupCommand + " [options] <dmgFile> [<isoFile>]"); println(" if an iso-file is not supplied, the program will simulate an extraction"); println(" (useful for detecting errors in dmg-files)"); println(); System.exit(0); } }

1,112,952

public static void parseArgs(String[] args) { boolean parseSuccessful = false; try { /* Take care of the options... */ int i; for(i = 0; i < args.length; ++i) { String cur = args[i]; if(!cur.startsWith("-")) break; else if(cur.equals("-gui")) graphical = true; else if(cur.equals("-v")) verbose = true; else if(cur.equals("-startupcommand")) { startupCommand = args[i+1]; ++i; } } println(APPNAME + " " + BUILDSTRING, "Copyright (c) 2006 Erik Larsson <erik82@kth.se>", " written from the source code to the original dmg2iso program", " Copyright (c) 2004 vu1tur <v@vu1tur.eu.org>", " also using the iharder Base64 Encoder/Decoder <http://iharder.sf.net>", "", "This program is distributed under the GNU General Public License version 2 or", "later.", "See <http://www.gnu.org/copyleft/gpl.html> for the details.", ""); if(i == args.length) { dmgFile = getInputFileFromUser(); if(dmgFile == null) System.exit(0); if(getOutputConfirmationFromUser()) { isoFile = getOutputFileFromUser(); if(isoFile == null) System.exit(0); } } else { dmgFile = new File(args[i++]); if(!dmgFile.exists()) { println("File \"" + dmgFile + "\" could not be found!"); System.exit(0); } if(i == args.length-1) isoFile = new File(args[i]); else if(i != args.length) throw new Exception(); } parseSuccessful = true; } catch(Exception e) { println(); println(" usage: " + startupCommand + " [options] <dmgFile> [<isoFile>]"); println(" if an iso-file is not supplied, the program will simulate an extraction"); println(" (useful for detecting errors in dmg-files)"); println(); System.exit(0); } }

1,112,953

public static void parseArgs(String[] args) { boolean parseSuccessful = false; try { /* Take care of the options... */ int i; for(i = 0; i < args.length; ++i) { String cur = args[i]; if(!cur.startsWith("-")) break; else if(cur.equals("-gui")) graphical = true; else if(cur.equals("-v")) verbose = true; else if(cur.equals("-startupcommand")) { startupCommand = args[i+1]; ++i; } } println(APPNAME + " " + BUILDSTRING, "Copyright (c) 2006 Erik Larsson <erik82@kth.se>", " written from the source code to the original dmg2iso program", " Copyright (c) 2004 vu1tur <v@vu1tur.eu.org>", " also using the iharder Base64 Encoder/Decoder <http://iharder.sf.net>", "", "This program is distributed under the GNU General Public License version 2 or", "later.", "See <http://www.gnu.org/copyleft/gpl.html> for the details.", ""); if(i == args.length) { dmgFile = getInputFileFromUser(); if(dmgFile == null) System.exit(0); if(getOutputConfirmationFromUser()) { isoFile = getOutputFileFromUser(); if(isoFile == null) System.exit(0); } } else { dmgFile = new File(args[i++]); if(!dmgFile.exists()) { println("File \"" + dmgFile + "\" could not be found!"); System.exit(0); } if(i == args.length-1) isoFile = new File(args[i]); else if(i != args.length) throw new Exception(); } parseSuccessful = true; } catch(Exception e) { println(); println(" usage: " + startupCommand + " [options] <dmgFile> [<isoFile>]"); println(" if an iso-file is not supplied, the program will simulate an extraction"); println(" (useful for detecting errors in dmg-files)"); println(); System.exit(0); } }

1,112,954

public static void processZlibBlock(DMGBlock block, RandomAccessFile dmgRaf, RandomAccessFile isoRaf, boolean testOnly, UserInterface ui) throws IOException, DataFormatException { inflater.reset(); dmgRaf.seek(/*block.lastOffs+*/block.inOffset); /* * medan det finns komprimerat data att lsa: * ls in komprimerat data i inbuffer * medan det finns data kvar att lsa i inbuffer * dekomprimera data frn inbuffer till utbuffer * skriv utbuffer till fil */ long totalBytesRead = 0; while(totalBytesRead < block.inSize) { long bytesRemainingToRead = block.inSize-totalBytesRead; int curBytesRead = dmgRaf.read(inBuffer, 0, (int)Math.min(bytesRemainingToRead, inBuffer.length)); ui.reportProgress((int)(dmgRaf.getFilePointer()*100/dmgRaf.length())); if(curBytesRead < 0) throw new RuntimeException("Unexpectedly reached end of file"); else { totalBytesRead += curBytesRead; inflater.setInput(inBuffer, 0, curBytesRead); long totalBytesInflated = 0; while(!inflater.needsInput() && !inflater.finished()) { long bytesRemainingToInflate = block.outSize-totalBytesInflated; //System.out.println(); //System.out.println("inflater.needsInput()" + inflater.needsInput()); int curBytesInflated = inflater.inflate(outBuffer, 0, (int)Math.min(bytesRemainingToInflate, outBuffer.length)); if(curBytesInflated == 0 && !inflater.needsInput()) { System.out.println("inflater.finished()" + inflater.finished()); System.out.println("inflater.needsDictionary()" + inflater.needsDictionary()); System.out.println("inflater.needsInput()" + inflater.needsInput()); //System.out.println("inflater.()" + inflater.()); throw new RuntimeException("Unexpectedly blocked inflate."); } else { totalBytesInflated += curBytesInflated; if(!testOnly) isoRaf.write(outBuffer, 0, curBytesInflated); } } } } if(!inflater.finished()) throw new RuntimeException("Unclosed ZLIB stream!"); }

public static void processZlibBlock(DMGBlock block, RandomAccessFile dmgRaf, RandomAccessFile isoRaf, boolean testOnly, UserInterface ui) throws IOException, DataFormatException { inflater.reset(); dmgRaf.seek(/*block.lastOffs+*/block.inOffset); /* * medan det finns komprimerat data att lsa: * ls in komprimerat data i inbuffer * medan det finns data kvar att lsa i inbuffer * dekomprimera data frn inbuffer till utbuffer * skriv utbuffer till fil */ long totalBytesRead = 0; while(totalBytesRead < block.inSize) { long bytesRemainingToRead = block.inSize-totalBytesRead; int curBytesRead = dmgRaf.read(inBuffer, 0, (int)Math.min(bytesRemainingToRead, inBuffer.length)); ui.reportProgress((int)(dmgRaf.getFilePointer()*100/dmgRaf.length())); if(curBytesRead < 0) throw new RuntimeException("Unexpectedly reached end of file. (bytesRemainingToRead=" + bytesRemainingToRead + ", curBytesRead=" + curBytesRead + ", totalBytesRead=" + totalBytesRead + ", block.inSize=" + block.inSize + ", inBuffer.length=" + inBuffer.length + ")"); else { totalBytesRead += curBytesRead; inflater.setInput(inBuffer, 0, curBytesRead); long totalBytesInflated = 0; while(!inflater.needsInput() && !inflater.finished()) { long bytesRemainingToInflate = block.outSize-totalBytesInflated; //System.out.println(); //System.out.println("inflater.needsInput()" + inflater.needsInput()); int curBytesInflated = inflater.inflate(outBuffer, 0, (int)Math.min(bytesRemainingToInflate, outBuffer.length)); if(curBytesInflated == 0 && !inflater.needsInput()) { System.out.println("inflater.finished()" + inflater.finished()); System.out.println("inflater.needsDictionary()" + inflater.needsDictionary()); System.out.println("inflater.needsInput()" + inflater.needsInput()); //System.out.println("inflater.()" + inflater.()); throw new RuntimeException("Unexpectedly blocked inflate."); } else { totalBytesInflated += curBytesInflated; if(!testOnly) isoRaf.write(outBuffer, 0, curBytesInflated); } } } } if(!inflater.finished()) throw new RuntimeException("Unclosed ZLIB stream!"); }

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protected StreamClient(final StreamSession session) { super(); this.logger = new Log4JWrapper(); this.session = session; final Environment environment = session.getEnvironment(); this.socketAddress = new InetSocketAddress( environment.getStreamHost(), environment.getStreamPort()); if (environment.isStreamTLSEnabled()) { logger.logInfo("Stream Client - {0}:{1} - Secure", environment.getStreamHost(), environment.getStreamPort()); final String keyStorePath = "security/client_keystore"; final char[] keyStorePassword = "password".toCharArray(); try { socketFactory = com.thinkparity.codebase.net.SocketFactory.getSecureInstance(keyStorePath, keyStorePassword, keyStorePath, keyStorePassword); } catch (final Exception x) { throw new StreamException(x); } } else { logger.logInfo("Stream Client - {0}:{1}", environment.getStreamHost(), environment.getStreamPort()); socketFactory = com.thinkparity.codebase.net.SocketFactory.getInstance(); } }

protected StreamClient(final StreamSession session) { super(); this.logger = new Log4JWrapper(); this.session = session; final Environment environment = session.getEnvironment(); this.socketAddress = new InetSocketAddress( environment.getStreamHost(), environment.getStreamPort()); if (environment.isStreamTLSEnabled()) { logger.logInfo("Stream Client - {0}:{1} - Secure", environment.getStreamHost(), environment.getStreamPort()); final String keyStorePath = "security/stream_client_keystore"; final char[] keyStorePassword = "password".toCharArray(); try { socketFactory = com.thinkparity.codebase.net.SocketFactory.getSecureInstance(keyStorePath, keyStorePassword, keyStorePath, keyStorePassword); } catch (final Exception x) { throw new StreamException(x); } } else { logger.logInfo("Stream Client - {0}:{1}", environment.getStreamHost(), environment.getStreamPort()); socketFactory = com.thinkparity.codebase.net.SocketFactory.getInstance(); } }

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public static void copy(final InputStream is, final OutputStream os, final Integer bufferSize) throws IOException { int len; final byte[] b = new byte[bufferSize]; while((len = is.read(b)) > 0) { os.write(b, 0, len); } os.flush(); }

1,112,957

void addPacketListeners(final XMPPConnection xmppConnection) {}

void addPacketListeners(final XMPPConnection xmppConnection) { xmppConnection.addPacketListener( new PacketListener() { public void processPacket(final Packet packet) { notifyTeamMemberAdded((IQTeamMemberAddedNotification) packet); } }, new PacketTypeFilter(IQTeamMemberAddedNotification.class)); xmppConnection.addPacketListener( new PacketListener() { public void processPacket(final Packet packet) { notifyTeamMemberRemoved((IQTeamMemberRemovedNotification) packet); } }, new PacketTypeFilter(IQTeamMemberRemovedNotification.class)); }

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public XMPPMethodResponse execute(final XMPPConnection xmppConnection) { // add an executed on parameter setParameter(Xml.All.EXECUTED_ON, DateUtil.getInstance()); // create a collector for the response final PacketCollector idCollector = createPacketCollector(xmppConnection); // TIME This is a local timestamp. logVariable("preSendPacket", DateUtil.getInstance()); xmppConnection.sendPacket(this); // TIME This is a local timestamp. logVariable("postSendPacket", DateUtil.getInstance()); // this sleep has been inserted because when packets are sent within // x milliseconds of each other, they tend to get swallowed by the // smack library try { Thread.sleep(75); } catch(final InterruptedException ix) {} // the timeout is used because the timeout is not expected to be long; // and it helps debug non-implemented responses logVariable("preResponseCollected", DateUtil.getInstance()); try {// return (XMPPMethodResponse) idCollector.nextResult(3 * 1000); return (XMPPMethodResponse) idCollector.nextResult(); } catch (final ClassCastException ccx) { final String errorId = new ErrorHelper().getErrorId(ccx); logger.logError(errorId, ccx); logger.logError("name:{0}", name); logger.logError("xmppConnection:{0}", xmppConnection); throw new XMPPException(errorId); } finally { // re-set the parameters post execution logVariable("postResponseCollected", DateUtil.getInstance()); parameters.clear(); } }

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