_id
stringlengths
2
7
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stringlengths
1
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stringclasses
3 values
text
stringlengths
52
85.5k
language
stringclasses
1 value
meta_information
dict
q23000
CheckPortForward
train
func (h *AuthHandlers) CheckPortForward(addr string, ctx *ServerContext) error { if ok := ctx.Identity.RoleSet.CanPortForward(); !ok { systemErrorMessage := fmt.Sprintf("port forwarding not allowed by role set: %v", ctx.Identity.RoleSet) userErrorMessage := "port forwarding not allowed" // emit port forward fai...
go
{ "resource": "" }
q23001
HostKeyAuth
train
func (h *AuthHandlers) HostKeyAuth(addr string, remote net.Addr, key ssh.PublicKey) error { fingerprint := fmt.Sprintf("%v %v", key.Type(), sshutils.Fingerprint(key)) // update entry to include a fingerprint of the key so admins can track down // the key causing problems h.Entry = log.WithFields(log.Fields{ trac...
go
{ "resource": "" }
q23002
hostKeyCallback
train
func (h *AuthHandlers) hostKeyCallback(hostname string, remote net.Addr, key ssh.PublicKey) error { // If strict host key checking is enabled, reject host key fallback. clusterConfig, err := h.AccessPoint.GetClusterConfig() if err != nil { return trace.Wrap(err) } if clusterConfig.GetProxyChecksHostKeys() == ser...
go
{ "resource": "" }
q23003
IsUserAuthority
train
func (h *AuthHandlers) IsUserAuthority(cert ssh.PublicKey) bool { if _, err := h.authorityForCert(services.UserCA, cert); err != nil { return false } return true }
go
{ "resource": "" }
q23004
IsHostAuthority
train
func (h *AuthHandlers) IsHostAuthority(cert ssh.PublicKey, address string) bool { if _, err := h.authorityForCert(services.HostCA, cert); err != nil { h.Entry.Debugf("Unable to find SSH host CA: %v.", err) return false } return true }
go
{ "resource": "" }
q23005
fetchRoleSet
train
func (h *AuthHandlers) fetchRoleSet(cert *ssh.Certificate, ca services.CertAuthority, teleportUser string, clusterName string) (services.RoleSet, error) { // for local users, go and check their individual permissions var roles services.RoleSet if clusterName == ca.GetClusterName() { u, err := h.AccessPoint.GetUser...
go
{ "resource": "" }
q23006
authorityForCert
train
func (h *AuthHandlers) authorityForCert(caType services.CertAuthType, key ssh.PublicKey) (services.CertAuthority, error) { // get all certificate authorities for given type cas, err := h.AccessPoint.GetCertAuthorities(caType, false) if err != nil { h.Warnf("%v", trace.DebugReport(err)) return nil, trace.Wrap(err...
go
{ "resource": "" }
q23007
isProxy
train
func (h *AuthHandlers) isProxy() bool { if h.Component == teleport.ComponentProxy { return true } return false }
go
{ "resource": "" }
q23008
extractRolesFromCert
train
func extractRolesFromCert(cert *ssh.Certificate) ([]string, error) { data, ok := cert.Extensions[teleport.CertExtensionTeleportRoles] if !ok { // it's ok to not have any roles in the metadata return nil, nil } return services.UnmarshalCertRoles(data) }
go
{ "resource": "" }
q23009
GetUserClient
train
func (c *SessionContext) GetUserClient(site reversetunnel.RemoteSite) (auth.ClientI, error) { // get the name of the current cluster clt, err := c.GetClient() if err != nil { return nil, trace.Wrap(err) } cn, err := clt.GetClusterName() if err != nil { return nil, trace.Wrap(err) } // if we're trying to ac...
go
{ "resource": "" }
q23010
newRemoteClient
train
func (c *SessionContext) newRemoteClient(cluster reversetunnel.RemoteSite) (auth.ClientI, net.Conn, error) { clt, err := c.tryRemoteTLSClient(cluster) if err != nil { return nil, nil, trace.Wrap(err) } return clt, nil, nil }
go
{ "resource": "" }
q23011
clusterDialer
train
func clusterDialer(remoteCluster reversetunnel.RemoteSite) auth.DialContext { return func(in context.Context, network, _ string) (net.Conn, error) { return remoteCluster.DialAuthServer() } }
go
{ "resource": "" }
q23012
ClientTLSConfig
train
func (c *SessionContext) ClientTLSConfig(clusterName ...string) (*tls.Config, error) { var certPool *x509.CertPool if len(clusterName) == 0 { certAuthorities, err := c.parent.proxyClient.GetCertAuthorities(services.HostCA, false) if err != nil { return nil, trace.Wrap(err) } certPool, err = services.CertPo...
go
{ "resource": "" }
q23013
ExtendWebSession
train
func (c *SessionContext) ExtendWebSession() (services.WebSession, error) { sess, err := c.clt.ExtendWebSession(c.user, c.sess.GetName()) if err != nil { return nil, trace.Wrap(err) } return sess, nil }
go
{ "resource": "" }
q23014
GetAgent
train
func (c *SessionContext) GetAgent() (agent.Agent, *ssh.Certificate, error) { pub, _, _, _, err := ssh.ParseAuthorizedKey(c.sess.GetPub()) if err != nil { return nil, nil, trace.Wrap(err) } cert, ok := pub.(*ssh.Certificate) if !ok { return nil, nil, trace.BadParameter("expected certificate, got %T", pub) } i...
go
{ "resource": "" }
q23015
Close
train
func (c *SessionContext) Close() error { closers := c.TransferClosers() for _, closer := range closers { c.Debugf("Closing %v.", closer) closer.Close() } if c.clt != nil { return trace.Wrap(c.clt.Close()) } return nil }
go
{ "resource": "" }
q23016
newSessionCache
train
func newSessionCache(proxyClient auth.ClientI, servers []utils.NetAddr, cipherSuites []uint16) (*sessionCache, error) { clusterName, err := proxyClient.GetClusterName() if err != nil { return nil, trace.Wrap(err) } m, err := ttlmap.New(1024, ttlmap.CallOnExpire(closeContext)) if err != nil { return nil, trace....
go
{ "resource": "" }
q23017
closeContext
train
func closeContext(key string, val interface{}) { go func() { log.Infof("[WEB] closing context %v", key) ctx, ok := val.(*SessionContext) if !ok { log.Warningf("warning, not valid value type %T", val) return } if err := ctx.Close(); err != nil { log.Infof("failed to close context: %v", err) } }() ...
go
{ "resource": "" }
q23018
populateGithubClaims
train
func populateGithubClaims(client githubAPIClientI) (*services.GithubClaims, error) { // find out the username user, err := client.getUser() if err != nil { return nil, trace.Wrap(err, "failed to query Github user info") } // build team memberships teams, err := client.getTeams() if err != nil { return nil, t...
go
{ "resource": "" }
q23019
getUser
train
func (c *githubAPIClient) getUser() (*userResponse, error) { // Ignore pagination links, we should never get more than a single user here. bytes, _, err := c.get("/user") if err != nil { return nil, trace.Wrap(err) } var user userResponse err = json.Unmarshal(bytes, &user) if err != nil { return nil, trace.W...
go
{ "resource": "" }
q23020
getTeams
train
func (c *githubAPIClient) getTeams() ([]teamResponse, error) { var result []teamResponse bytes, nextPage, err := c.get("/user/teams") if err != nil { return nil, trace.Wrap(err) } // Extract the first page of results and append them to the full result set. var teams []teamResponse err = json.Unmarshal(bytes,...
go
{ "resource": "" }
q23021
get
train
func (c *githubAPIClient) get(url string) ([]byte, string, error) { request, err := http.NewRequest("GET", fmt.Sprintf("%v%v", GithubAPIURL, url), nil) if err != nil { return nil, "", trace.Wrap(err) } request.Header.Set("Authorization", fmt.Sprintf("token %v", c.token)) response, err := http.DefaultClient.Do(re...
go
{ "resource": "" }
q23022
CheckDefaults
train
func (s *ServerConfig) CheckDefaults() error { if s.AuthClient == nil { return trace.BadParameter("auth client required") } if s.DataDir == "" { return trace.BadParameter("missing parameter DataDir") } if s.UserAgent == nil { return trace.BadParameter("user agent required to connect to remote host") } if s...
go
{ "resource": "" }
q23023
New
train
func New(c ServerConfig) (*Server, error) { // Check and make sure we everything we need to build a forwarding node. err := c.CheckDefaults() if err != nil { return nil, trace.Wrap(err) } // Build a pipe connection to hook up the client and the server. we save both // here and will pass them along to the conte...
go
{ "resource": "" }
q23024
EmitAuditEvent
train
func (s *Server) EmitAuditEvent(event events.Event, fields events.EventFields) { auditLog := s.GetAuditLog() if auditLog != nil { if err := auditLog.EmitAuditEvent(event, fields); err != nil { s.log.Error(err) } } else { s.log.Warn("SSH server has no audit log") } }
go
{ "resource": "" }
q23025
Close
train
func (s *Server) Close() error { conns := []io.Closer{ s.sconn, s.clientConn, s.serverConn, s.targetConn, s.remoteClient, } var errs []error for _, c := range conns { if c == nil { continue } err := c.Close() if err != nil { errs = append(errs, err) } } // Signal to waiting goroutine...
go
{ "resource": "" }
q23026
ApplyToken
train
func (cfg *Config) ApplyToken(token string) bool { if token != "" { cfg.Token = token return true } return false }
go
{ "resource": "" }
q23027
RoleConfig
train
func (cfg *Config) RoleConfig() RoleConfig { return RoleConfig{ DataDir: cfg.DataDir, HostUUID: cfg.HostUUID, HostName: cfg.Hostname, AuthServers: cfg.AuthServers, Auth: cfg.Auth, Console: cfg.Console, } }
go
{ "resource": "" }
q23028
GetRecentTTL
train
func (c *CachePolicy) GetRecentTTL() time.Duration { if c.RecentTTL == nil { return defaults.RecentCacheTTL } return *c.RecentTTL }
go
{ "resource": "" }
q23029
String
train
func (c CachePolicy) String() string { if !c.Enabled { return "no cache policy" } recentCachePolicy := "" if c.GetRecentTTL() == 0 { recentCachePolicy = "will not cache frequently accessed items" } else { recentCachePolicy = fmt.Sprintf("will cache frequently accessed items for %v", c.GetRecentTTL()) } if ...
go
{ "resource": "" }
q23030
ApplyDefaults
train
func ApplyDefaults(cfg *Config) { // Get defaults for Cipher, Kex algorithms, and MAC algorithms from // golang.org/x/crypto/ssh default config. var sc ssh.Config sc.SetDefaults() // Remove insecure and (borderline insecure) cryptographic primitives from // default configuration. These can still be added back in...
go
{ "resource": "" }
q23031
StartKeepAliveLoop
train
func StartKeepAliveLoop(p KeepAliveParams) { var missedCount int64 log := logrus.WithFields(logrus.Fields{ trace.Component: teleport.ComponentKeepAlive, }) log.Debugf("Starting keep-alive loop with with interval %v and max count %v.", p.Interval, p.MaxCount) tickerCh := time.NewTicker(p.Interval) defer ticker...
go
{ "resource": "" }
q23032
sendKeepAliveWithTimeout
train
func sendKeepAliveWithTimeout(conn RequestSender, timeout time.Duration, closeContext context.Context) bool { errorCh := make(chan error, 1) go func() { // SendRequest will unblock when connection or channel is closed. _, _, err := conn.SendRequest(teleport.KeepAliveReqType, true, nil) errorCh <- err }() se...
go
{ "resource": "" }
q23033
MarshalNamespace
train
func MarshalNamespace(resource Namespace, opts ...MarshalOption) ([]byte, error) { cfg, err := collectOptions(opts) if err != nil { return nil, trace.Wrap(err) } if !cfg.PreserveResourceID { // avoid modifying the original object // to prevent unexpected data races copy := resource copy.SetResourceID(0) ...
go
{ "resource": "" }
q23034
UnmarshalNamespace
train
func UnmarshalNamespace(data []byte, opts ...MarshalOption) (*Namespace, error) { if len(data) == 0 { return nil, trace.BadParameter("missing namespace data") } cfg, err := collectOptions(opts) if err != nil { return nil, trace.Wrap(err) } // always skip schema validation on namespaces unmarshal // the nam...
go
{ "resource": "" }
q23035
Initialize
train
func (c *TopCommand) Initialize(app *kingpin.Application, config *service.Config) { c.config = config c.top = app.Command("top", "Report diagnostic information") c.diagURL = c.top.Arg("diag-addr", "Diagnostic HTTP URL").Default("http://127.0.0.1:3434").String() c.refreshPeriod = c.top.Arg("refresh", "Refresh period...
go
{ "resource": "" }
q23036
Top
train
func (c *TopCommand) Top(client *roundtrip.Client) error { if err := ui.Init(); err != nil { return trace.Wrap(err) } defer ui.Close() ctx, cancel := context.WithCancel(context.TODO()) defer cancel() uiEvents := ui.PollEvents() ticker := time.NewTicker(*c.refreshPeriod) defer ticker.Stop() // fetch and re...
go
{ "resource": "" }
q23037
SortedTopRequests
train
func (b *BackendStats) SortedTopRequests() []Request { out := make([]Request, 0, len(b.TopRequests)) for _, req := range b.TopRequests { out = append(out, req) } sort.Slice(out, func(i, j int) bool { if out[i].GetFreq() == out[j].GetFreq() { return out[i].Count > out[j].Count } return out[i].GetFreq() > ...
go
{ "resource": "" }
q23038
SetFreq
train
func (c *Counter) SetFreq(prevCount Counter, period time.Duration) { if period == 0 { return } freq := float64(c.Count-prevCount.Count) / float64(period/time.Second) c.Freq = &freq }
go
{ "resource": "" }
q23039
AsPercentiles
train
func (h Histogram) AsPercentiles() []Percentile { if h.Count == 0 { return nil } var percentiles []Percentile for _, bucket := range h.Buckets { if bucket.Count == 0 { continue } if bucket.Count == h.Count || math.IsInf(bucket.UpperBound, 0) { percentiles = append(percentiles, Percentile{ Percenti...
go
{ "resource": "" }
q23040
ExpectNotFound
train
func ExpectNotFound(c *check.C, err error) { c.Assert(trace.IsNotFound(err), check.Equals, true, check.Commentf("expected NotFound, got %T %v at %v", trace.Unwrap(err), err, string(debug.Stack()))) }
go
{ "resource": "" }
q23041
ExpectBadParameter
train
func ExpectBadParameter(c *check.C, err error) { c.Assert(trace.IsBadParameter(err), check.Equals, true, check.Commentf("expected BadParameter, got %T %v at %v", trace.Unwrap(err), err, string(debug.Stack()))) }
go
{ "resource": "" }
q23042
ExpectCompareFailed
train
func ExpectCompareFailed(c *check.C, err error) { c.Assert(trace.IsCompareFailed(err), check.Equals, true, check.Commentf("expected CompareFailed, got %T %v at %v", trace.Unwrap(err), err, string(debug.Stack()))) }
go
{ "resource": "" }
q23043
ExpectAccessDenied
train
func ExpectAccessDenied(c *check.C, err error) { c.Assert(trace.IsAccessDenied(err), check.Equals, true, check.Commentf("expected AccessDenied, got %T %v at %v", trace.Unwrap(err), err, string(debug.Stack()))) }
go
{ "resource": "" }
q23044
ExpectAlreadyExists
train
func ExpectAlreadyExists(c *check.C, err error) { c.Assert(trace.IsAlreadyExists(err), check.Equals, true, check.Commentf("expected AlreadyExists, got %T %v at %v", trace.Unwrap(err), err, string(debug.Stack()))) }
go
{ "resource": "" }
q23045
ExpectConnectionProblem
train
func ExpectConnectionProblem(c *check.C, err error) { c.Assert(trace.IsConnectionProblem(err), check.Equals, true, check.Commentf("expected ConnectionProblem, got %T %v at %v", trace.Unwrap(err), err, string(debug.Stack()))) }
go
{ "resource": "" }
q23046
DeepCompare
train
func DeepCompare(c *check.C, a, b interface{}) { d := &spew.ConfigState{Indent: " ", DisableMethods: true, DisablePointerMethods: true, DisablePointerAddresses: true} c.Assert(a, check.DeepEquals, b, check.Commentf("%v\nStack:\n%v\n", diff.Diff(d.Sdump(a), d.Sdump(b)), string(debug.Stack()))) }
go
{ "resource": "" }
q23047
Check
train
func (p *PTYReqParams) Check() error { if p.W > maxSize || p.W < minSize { return trace.BadParameter("bad width: %v", p.W) } if p.H > maxSize || p.H < minSize { return trace.BadParameter("bad height: %v", p.H) } return nil }
go
{ "resource": "" }
q23048
CheckAndSetDefaults
train
func (p *PTYReqParams) CheckAndSetDefaults() error { if p.W > maxSize || p.W < minSize { p.W = teleport.DefaultTerminalWidth } if p.H > maxSize || p.H < minSize { p.H = teleport.DefaultTerminalHeight } return nil }
go
{ "resource": "" }
q23049
removeStreamPair
train
func (h *portForwardProxy) removeStreamPair(requestID string) { h.streamPairsLock.Lock() defer h.streamPairsLock.Unlock() delete(h.streamPairs, requestID) }
go
{ "resource": "" }
q23050
run
train
func (h *portForwardProxy) run() { h.Debugf("Waiting for port forward streams.") for { select { case <-h.context.Done(): h.Debugf("Context is closing, returning.") return case <-h.sourceConn.CloseChan(): h.Debugf("Upgraded connection closed.") return case stream := <-h.streamChan: requestID, er...
go
{ "resource": "" }
q23051
portForward
train
func (h *portForwardProxy) portForward(p *httpStreamPair) { defer p.dataStream.Close() defer p.errorStream.Close() portString := p.dataStream.Headers().Get(PortHeader) port, _ := strconv.ParseInt(portString, 10, 32) h.Debugf("Forwrarding port %v -> %v.", p.requestID, portString) err := h.forwardStreamPair(p, po...
go
{ "resource": "" }
q23052
add
train
func (p *httpStreamPair) add(stream httpstream.Stream) (bool, error) { p.lock.Lock() defer p.lock.Unlock() switch stream.Headers().Get(StreamType) { case StreamTypeError: if p.errorStream != nil { return false, trace.BadParameter("error stream already assigned") } p.errorStream = stream case StreamTypeDa...
go
{ "resource": "" }
q23053
SliceMatchesRegex
train
func SliceMatchesRegex(input string, expressions []string) (bool, error) { for _, expression := range expressions { if !strings.HasPrefix(expression, "^") || !strings.HasSuffix(expression, "$") { // replace glob-style wildcards with regexp wildcards // for plain strings, and quote all characters that could ...
go
{ "resource": "" }
q23054
NewProcessStorage
train
func NewProcessStorage(ctx context.Context, path string) (*ProcessStorage, error) { if path == "" { return nil, trace.BadParameter("missing parameter path") } litebk, err := lite.NewWithConfig(ctx, lite.Config{Path: path, EventsOff: true}) if err != nil { return nil, trace.Wrap(err) } // Import storage data ...
go
{ "resource": "" }
q23055
GetState
train
func (p *ProcessStorage) GetState(role teleport.Role) (*StateV2, error) { item, err := p.Get(context.TODO(), backend.Key(statesPrefix, strings.ToLower(role.String()), stateName)) if err != nil { return nil, trace.Wrap(err) } var res StateV2 if err := utils.UnmarshalWithSchema(GetStateSchema(), &res, item.Value);...
go
{ "resource": "" }
q23056
CreateState
train
func (p *ProcessStorage) CreateState(role teleport.Role, state StateV2) error { if err := state.CheckAndSetDefaults(); err != nil { return trace.Wrap(err) } value, err := json.Marshal(state) if err != nil { return trace.Wrap(err) } item := backend.Item{ Key: backend.Key(statesPrefix, strings.ToLower(role....
go
{ "resource": "" }
q23057
ReadIdentity
train
func (p *ProcessStorage) ReadIdentity(name string, role teleport.Role) (*Identity, error) { if name == "" { return nil, trace.BadParameter("missing parameter name") } item, err := p.Get(context.TODO(), backend.Key(idsPrefix, strings.ToLower(role.String()), name)) if err != nil { return nil, trace.Wrap(err) } ...
go
{ "resource": "" }
q23058
WriteIdentity
train
func (p *ProcessStorage) WriteIdentity(name string, id Identity) error { res := IdentityV2{ ResourceHeader: services.ResourceHeader{ Kind: services.KindIdentity, Version: services.V2, Metadata: services.Metadata{ Name: name, }, }, Spec: IdentitySpecV2{ Key: id.KeyBytes, SSHCert: ...
go
{ "resource": "" }
q23059
GetIdentitySchema
train
func GetIdentitySchema() string { return fmt.Sprintf(services.V2SchemaTemplate, services.MetadataSchema, IdentitySpecV2Schema, services.DefaultDefinitions) }
go
{ "resource": "" }
q23060
GetStateSchema
train
func GetStateSchema() string { return fmt.Sprintf(services.V2SchemaTemplate, services.MetadataSchema, fmt.Sprintf(StateSpecV2Schema, services.RotationSchema), services.DefaultDefinitions) }
go
{ "resource": "" }
q23061
AsString
train
func (f EventFields) AsString() string { return fmt.Sprintf("%s: login=%s, id=%v, bytes=%v", f.GetString(EventType), f.GetString(EventLogin), f.GetInt(EventCursor), f.GetInt(SessionPrintEventBytes)) }
go
{ "resource": "" }
q23062
GetString
train
func (f EventFields) GetString(key string) string { val, found := f[key] if !found { return "" } v, _ := val.(string) return v }
go
{ "resource": "" }
q23063
waitStreamReply
train
func waitStreamReply(ctx context.Context, replySent <-chan struct{}, notify chan<- struct{}) { select { case <-replySent: notify <- struct{}{} case <-ctx.Done(): } }
go
{ "resource": "" }
q23064
MkdirAll
train
func MkdirAll(targetDirectory string, mode os.FileMode) error { err := os.MkdirAll(targetDirectory, mode) if err != nil { return trace.ConvertSystemError(err) } return nil }
go
{ "resource": "" }
q23065
Close
train
func (r *RemoveDirCloser) Close() error { return trace.ConvertSystemError(os.RemoveAll(r.Path)) }
go
{ "resource": "" }
q23066
IsFile
train
func IsFile(fp string) bool { fi, err := os.Stat(fp) if err == nil { return !fi.IsDir() } return false }
go
{ "resource": "" }
q23067
IsDir
train
func IsDir(dirPath string) bool { fi, err := os.Stat(dirPath) if err == nil { return fi.IsDir() } return false }
go
{ "resource": "" }
q23068
NormalizePath
train
func NormalizePath(path string) (string, error) { s, err := filepath.Abs(path) if err != nil { return "", trace.ConvertSystemError(err) } abs, err := filepath.EvalSymlinks(s) if err != nil { return "", trace.ConvertSystemError(err) } return abs, nil }
go
{ "resource": "" }
q23069
OpenFile
train
func OpenFile(path string) (*os.File, error) { newPath, err := NormalizePath(path) if err != nil { return nil, trace.Wrap(err) } fi, err := os.Stat(newPath) if err != nil { return nil, trace.ConvertSystemError(err) } if fi.IsDir() { return nil, trace.BadParameter("%v is not a file", path) } f, err := os....
go
{ "resource": "" }
q23070
StatDir
train
func StatDir(path string) (os.FileInfo, error) { fi, err := os.Stat(path) if err != nil { return nil, trace.ConvertSystemError(err) } if !fi.IsDir() { return nil, trace.BadParameter("%v is not a directory", path) } return fi, nil }
go
{ "resource": "" }
q23071
getHomeDir
train
func getHomeDir() string { switch runtime.GOOS { case teleport.LinuxOS: return os.Getenv(teleport.EnvHome) case teleport.DarwinOS: return os.Getenv(teleport.EnvHome) case teleport.WindowsOS: return os.Getenv(teleport.EnvUserProfile) } return "" }
go
{ "resource": "" }
q23072
GetListenerFile
train
func GetListenerFile(listener net.Listener) (*os.File, error) { switch t := listener.(type) { case *net.TCPListener: return t.File() case *net.UnixListener: return t.File() } return nil, trace.BadParameter("unsupported listener: %T", listener) }
go
{ "resource": "" }
q23073
NewSyncBuffer
train
func NewSyncBuffer() *SyncBuffer { reader, writer := io.Pipe() buf := &bytes.Buffer{} go func() { io.Copy(buf, reader) }() return &SyncBuffer{ reader: reader, writer: writer, buf: buf, } }
go
{ "resource": "" }
q23074
Close
train
func (b *SyncBuffer) Close() error { err := b.reader.Close() err2 := b.writer.Close() if err != nil { return err } return err2 }
go
{ "resource": "" }
q23075
NewAgent
train
func NewAgent(cfg AgentConfig) (*Agent, error) { if err := cfg.CheckAndSetDefaults(); err != nil { return nil, trace.Wrap(err) } ctx, cancel := context.WithCancel(cfg.Context) a := &Agent{ AgentConfig: cfg, ctx: ctx, cancel: cancel, authMethods: []ssh.AuthMethod{ssh.PublicKeys(cfg.Signers...)...
go
{ "resource": "" }
q23076
connectedTo
train
func (a *Agent) connectedTo(proxy services.Server) bool { principals := a.getPrincipals() proxyID := fmt.Sprintf("%v.%v", proxy.GetName(), a.ClusterName) if _, ok := principals[proxyID]; ok { return true } return false }
go
{ "resource": "" }
q23077
connectedToRightProxy
train
func (a *Agent) connectedToRightProxy() bool { for _, proxy := range a.DiscoverProxies { if a.connectedTo(proxy) { return true } } return false }
go
{ "resource": "" }
q23078
run
train
func (a *Agent) run() { defer a.setState(agentStateDisconnected) if len(a.DiscoverProxies) != 0 { a.setStateAndPrincipals(agentStateDiscovering, nil) } else { a.setStateAndPrincipals(agentStateConnecting, nil) } // Try and connect to remote cluster. conn, err := a.connect() if err != nil || conn == nil { ...
go
{ "resource": "" }
q23079
processRequests
train
func (a *Agent) processRequests(conn *ssh.Client) error { defer conn.Close() ticker := time.NewTicker(defaults.ReverseTunnelAgentHeartbeatPeriod) defer ticker.Stop() hb, reqC, err := conn.OpenChannel(chanHeartbeat, nil) if err != nil { return trace.Wrap(err) } newTransportC := conn.HandleChannelOpen(chanTrans...
go
{ "resource": "" }
q23080
NewLinear
train
func NewLinear(cfg LinearConfig) (*Linear, error) { if err := cfg.CheckAndSetDefaults(); err != nil { return nil, trace.Wrap(err) } closedChan := make(chan time.Time) close(closedChan) return &Linear{LinearConfig: cfg, closedChan: closedChan}, nil }
go
{ "resource": "" }
q23081
Duration
train
func (r *Linear) Duration() time.Duration { a := r.First + time.Duration(r.attempt)*r.Step if a < 0 { return 0 } if a <= r.Max { return a } return r.Max }
go
{ "resource": "" }
q23082
After
train
func (r *Linear) After() <-chan time.Time { if r.Duration() == 0 { return r.closedChan } return time.After(r.Duration()) }
go
{ "resource": "" }
q23083
String
train
func (r *Linear) String() string { return fmt.Sprintf("Linear(attempt=%v, duration=%v)", r.attempt, r.Duration()) }
go
{ "resource": "" }
q23084
getLoginShell
train
func getLoginShell(username string) (string, error) { // See if the username is valid. _, err := user.Lookup(username) if err != nil { return "", trace.Wrap(err) } // Based on stdlib user/lookup_unix.go packages which does not return // user shell: https://golang.org/src/os/user/lookup_unix.go var pwd C.struc...
go
{ "resource": "" }
q23085
AuthorizedKeyFingerprint
train
func AuthorizedKeyFingerprint(publicKey []byte) (string, error) { key, _, _, _, err := ssh.ParseAuthorizedKey(publicKey) if err != nil { return "", trace.Wrap(err) } return Fingerprint(key), nil }
go
{ "resource": "" }
q23086
PrivateKeyFingerprint
train
func PrivateKeyFingerprint(keyBytes []byte) (string, error) { signer, err := ssh.ParsePrivateKey(keyBytes) if err != nil { return "", trace.Wrap(err) } return Fingerprint(signer.PublicKey()), nil }
go
{ "resource": "" }
q23087
NewHMACAnonymizer
train
func NewHMACAnonymizer(key string) (*hmacAnonymizer, error) { if strings.TrimSpace(key) == "" { return nil, trace.BadParameter("HMAC key must not be empty") } return &hmacAnonymizer{ key: key, }, nil }
go
{ "resource": "" }
q23088
Anonymize
train
func (a *hmacAnonymizer) Anonymize(data []byte) string { h := hmac.New(sha256.New, []byte(a.key)) h.Write(data) return base64.StdEncoding.EncodeToString(h.Sum(nil)) }
go
{ "resource": "" }
q23089
UnmarshalWithSchema
train
func UnmarshalWithSchema(schemaDefinition string, object interface{}, data []byte) error { schema, err := jsonschema.New([]byte(schemaDefinition)) if err != nil { return trace.Wrap(err) } jsonData, err := ToJSON(data) if err != nil { return trace.Wrap(err) } raw := map[string]interface{}{} if err := json.U...
go
{ "resource": "" }
q23090
NewSessionArchive
train
func NewSessionArchive(dataDir, serverID, namespace string, sessionID session.ID) (io.ReadCloser, error) { index, err := readSessionIndex( dataDir, []string{serverID}, namespace, sessionID) if err != nil { return nil, trace.Wrap(err) } // io.Pipe allows to generate the archive part by part // without writing ...
go
{ "resource": "" }
q23091
ParseSigningKeyStorePEM
train
func ParseSigningKeyStorePEM(keyPEM, certPEM string) (*SigningKeyStore, error) { _, err := ParseCertificatePEM([]byte(certPEM)) if err != nil { return nil, trace.Wrap(err) } key, err := ParsePrivateKeyPEM([]byte(keyPEM)) if err != nil { return nil, trace.Wrap(err) } rsaKey, ok := key.(*rsa.PrivateKey) if !o...
go
{ "resource": "" }
q23092
ParseCertificateRequestPEM
train
func ParseCertificateRequestPEM(bytes []byte) (*x509.CertificateRequest, error) { block, _ := pem.Decode(bytes) if block == nil { return nil, trace.BadParameter("expected PEM-encoded block") } csr, err := x509.ParseCertificateRequest(block.Bytes) if err != nil { return nil, trace.BadParameter(err.Error()) } ...
go
{ "resource": "" }
q23093
ParseCertificatePEM
train
func ParseCertificatePEM(bytes []byte) (*x509.Certificate, error) { block, _ := pem.Decode(bytes) if block == nil { return nil, trace.BadParameter("expected PEM-encoded block") } cert, err := x509.ParseCertificate(block.Bytes) if err != nil { return nil, trace.BadParameter(err.Error()) } return cert, nil }
go
{ "resource": "" }
q23094
ParsePrivateKeyPEM
train
func ParsePrivateKeyPEM(bytes []byte) (crypto.Signer, error) { block, _ := pem.Decode(bytes) if block == nil { return nil, trace.BadParameter("expected PEM-encoded block") } return ParsePrivateKeyDER(block.Bytes) }
go
{ "resource": "" }
q23095
ParsePrivateKeyDER
train
func ParsePrivateKeyDER(der []byte) (crypto.Signer, error) { generalKey, err := x509.ParsePKCS8PrivateKey(der) if err != nil { generalKey, err = x509.ParsePKCS1PrivateKey(der) if err != nil { generalKey, err = x509.ParseECPrivateKey(der) if err != nil { logrus.Errorf("Failed to parse key: %v.", err) ...
go
{ "resource": "" }
q23096
ReadCertificateChain
train
func ReadCertificateChain(certificateChainBytes []byte) ([]*x509.Certificate, error) { // build the certificate chain next var certificateBlock *pem.Block var remainingBytes []byte = bytes.TrimSpace(certificateChainBytes) var certificateChain [][]byte for { certificateBlock, remainingBytes = pem.Decode(remainin...
go
{ "resource": "" }
q23097
NewLoadBalancer
train
func NewLoadBalancer(ctx context.Context, frontend NetAddr, backends ...NetAddr) (*LoadBalancer, error) { if ctx == nil { return nil, trace.BadParameter("missing parameter context") } waitCtx, waitCancel := context.WithCancel(ctx) return &LoadBalancer{ frontend: frontend, ctx: ctx, backends: ...
go
{ "resource": "" }
q23098
trackConnection
train
func (l *LoadBalancer) trackConnection(backend NetAddr, conn net.Conn) int64 { l.Lock() defer l.Unlock() l.connID += 1 tracker, ok := l.connections[backend] if !ok { tracker = make(map[int64]net.Conn) l.connections[backend] = tracker } tracker[l.connID] = conn return l.connID }
go
{ "resource": "" }
q23099
untrackConnection
train
func (l *LoadBalancer) untrackConnection(backend NetAddr, id int64) { l.Lock() defer l.Unlock() tracker, ok := l.connections[backend] if !ok { return } delete(tracker, id) }
go
{ "resource": "" }