text
stringlengths 9
39.2M
| dir
stringlengths 25
226
| lang
stringclasses 163
values | created_date
timestamp[s] | updated_date
timestamp[s] | repo_name
stringclasses 751
values | repo_full_name
stringclasses 752
values | star
int64 1.01k
183k
| len_tokens
int64 1
18.5M
|
|---|---|---|---|---|---|---|---|---|
```unknown
github "CocoaLumberjack/CocoaLumberjack" "3.6.0"
github "Quick/Nimble" "v8.0.5"
github "Quick/Quick" "v2.2.0"
github "behrang/YamlSwift" "3.4.3"
github "lexrus/MMDB-Swift" "0.5.0"
github "robbiehanson/CocoaAsyncSocket" "7.6.3"
github "zhuhaow/Resolver" "0.2.0"
github "zhuhaow/Sodium-framework" "v1.0.10.1"
github "zhuhaow/tun2socks" "0.7.0"
```
|
/content/code_sandbox/Cartfile.resolved
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 156
|
```yaml
engines:
fixme:
enabled: true
tailor:
enabled: true
ratings:
paths:
- "**.swift"
exclude_paths:
- "NEKit.xcodeproj/"
- "README.md"
```
|
/content/code_sandbox/.codeclimate.yml
|
yaml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 50
|
```swift
import Foundation
let verbose = true
// MARK: - Exception Handling
let handler: @convention(c) (NSException) -> Void = {
exception in
print("FATAL EXCEPTION: \(exception)")
exit(1)
}
NSSetUncaughtExceptionHandler(handler)
// MARK: - Task Utilities
func runShellCommand(command: String) -> String? {
let args: [String] = command.split { $0 == " " }.map(String.init)
let other = args[1..<args.count]
let outputPipe = Pipe()
let task = Process()
task.launchPath = args[0]
task.arguments = other.map { $0 }
task.standardOutput = outputPipe
task.launch()
task.waitUntilExit()
guard task.terminationStatus == 0 else { return nil }
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
return String(data:outputData, encoding: String.Encoding.utf8)
}
// MARK: - File System Utilities
func fileExists(filePath: String) -> Bool {
return FileManager.default.fileExists(atPath: filePath)
}
func mkdir(path: String) -> Bool {
do {
try FileManager.default.createDirectory(atPath: path, withIntermediateDirectories: true, attributes: nil)
return true
} catch {
return false
}
}
// MARK: - String Utilities
func trim(_ s: String) -> String {
return ((s as NSString).trimmingCharacters(in: NSCharacterSet.whitespacesAndNewlines) as String)
}
func trim(_ s: String?) -> String? {
return (s == nil) ? nil : (trim(s!) as String)
}
func reportError(message: String) -> Never {
print("ERROR: \(message)")
exit(1)
}
// MARK: GenerateCommonCryptoModule
enum SDK: String {
case iOS = "iphoneos",
iOSSimulator = "iphonesimulator",
watchOS = "watchos",
watchSimulator = "watchsimulator",
tvOS = "appletvos",
tvOSSimulator = "appletvsimulator",
MacOSX = "macosx"
static let all = [iOS, iOSSimulator, watchOS, watchSimulator, tvOS, tvOSSimulator, MacOSX]
}
guard let sdk = SDK(rawValue: CommandLine.arguments[1])?.rawValue else { reportError(message: "SDK must be one of \(SDK.all.map { $0.rawValue })") }
guard let sdkVersion = trim(runShellCommand(command: "/usr/bin/xcrun --sdk \(sdk) --show-sdk-version")) else {
reportError(message: "ERROR: Failed to determine SDK version for \(sdk)")
}
guard let sdkPath = trim(runShellCommand(command: "/usr/bin/xcrun --sdk \(sdk) --show-sdk-path")) else {
reportError(message: "ERROR: Failed to determine SDK path for \(sdk)")
}
if verbose {
print("SDK: \(sdk)")
print("SDK Version: \(sdkVersion)")
print("SDK Path: \(sdkPath)")
}
let moduleDirectory: String
let moduleFileName: String
if CommandLine.arguments.count > 2 {
moduleDirectory = "\(CommandLine.arguments[2])/Frameworks/\(sdk)/CommonCrypto.framework"
moduleFileName = "module.map"
} else {
moduleDirectory = "\(sdkPath)/System/Library/Frameworks/CommonCrypto.framework"
moduleFileName = "module.map"
if fileExists(filePath: moduleDirectory) {
reportError(message: "Module directory already exists at \(moduleDirectory).")
}
}
if !mkdir(path: moduleDirectory) {
reportError(message: "Failed to create module directory \(moduleDirectory)")
}
let headerDir = "\(sdkPath)/usr/include/CommonCrypto/"
let headerFile1 = "\(headerDir)/CommonCrypto.h"
let headerFile2 = "\(headerDir)/CommonRandom.h"
let moduleMapFile =
"module CommonCrypto [system] {\n" +
" header \"\(headerFile1)\"\n" +
" header \"\(headerFile2)\"\n" +
" export *\n" +
"}\n"
let moduleMapPath = "\(moduleDirectory)/\(moduleFileName)"
do {
try moduleMapFile.write(toFile: moduleMapPath, atomically: true, encoding:String.Encoding.utf8)
print("Successfully created module \(moduleMapPath)")
exit(0)
} catch {
reportError(message: "Failed to write module map file to \(moduleMapPath)")
}
```
|
/content/code_sandbox/GenerateCommonCryptoModule.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 956
|
```unknown
github "robbiehanson/CocoaAsyncSocket" ~> 7.6.3
github "CocoaLumberjack/CocoaLumberjack" ~> 3.5.2
github "lexrus/MMDB-Swift" "0.5.0"
github "zhuhaow/Sodium-framework" "v1.0.10.1"
github "behrang/YamlSwift" "3.4.3"
github "zhuhaow/tun2socks" ~> 0.7.0
github "zhuhaow/Resolver" ~> 0.2.0
```
|
/content/code_sandbox/Cartfile
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 131
|
```unknown
github "Quick/Quick" "v2.2.0"
github "Quick/Nimble" "v8.0.5"
```
|
/content/code_sandbox/Cartfile.private
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 30
|
```yaml
disabled_rules:
- line_length
- type_name
- variable_name
- cyclomatic_complexity
- nesting
excluded:
- Carthage
- tun2socks
- test
```
|
/content/code_sandbox/.swiftlint.yml
|
yaml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 45
|
```xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "path_to_url">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>BNDL</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1</string>
</dict>
</plist>
```
|
/content/code_sandbox/NEKitTests-iOS/Info.plist
|
xml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 228
|
```swift
import Cocoa
import NEKit
import CocoaLumberjackSwift
@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {
@IBOutlet weak var window: NSWindow!
var httpProxy: GCDHTTPProxyServer?
var socks5Proxy: GCDSOCKS5ProxyServer?
func applicationDidFinishLaunching(_ aNotification: Notification) {
DDLog.removeAllLoggers()
DDLog.add(DDTTYLogger.sharedInstance, with: .info)
ObserverFactory.currentFactory = DebugObserverFactory()
let config = Configuration()
let filepath = (NSHomeDirectory() as NSString).appendingPathComponent(".NEKit_demo.yaml")
// swiftlint:disable force_try
do {
try config.load(fromConfigFile: filepath)
} catch let error {
DDLogError("\(error)")
}
RuleManager.currentManager = config.ruleManager
httpProxy = GCDHTTPProxyServer(address: nil, port: NEKit.Port(port: UInt16(config.proxyPort!)))
// swiftlint:disable force_try
try! httpProxy!.start()
let port = NEKit.Port(port: UInt16(config.proxyPort!+1))
socks5Proxy = GCDSOCKS5ProxyServer(address: nil, port: port)
// swiftlint:disable force_try
try! socks5Proxy!.start()
}
func applicationWillTerminate(_ aNotification: Notification) {
httpProxy?.stop()
socks5Proxy?.stop()
}
}
```
|
/content/code_sandbox/NEKitDemo/AppDelegate.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 309
|
```xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "path_to_url">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIconFile</key>
<string></string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1</string>
<key>LSMinimumSystemVersion</key>
<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
<key>NSMainNibFile</key>
<string>MainMenu</string>
<key>NSPrincipalClass</key>
<string>NSApplication</string>
</dict>
</plist>
```
|
/content/code_sandbox/NEKitDemo/Info.plist
|
xml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 305
|
```yaml
output: "."
source_directory: ../
author: Zhuhao Wang
readme: ../README.md
github_url: path_to_url
min_acl: internal
module: NEKit
theme: fullwidth
custom_categories:
- name: Proxy Server
children:
- ProxyServer
- GCDProxyServer
- GCDSOCKS5ProxyServer
- GCDHTTPProxyServer
- name: Socket
children:
- Tunnel
- TunnelDelegate
- SocketProtocol
- SocketDelegate
- ProxySocket
- DirectProxySocket
- HTTPProxySocket
- SOCKS5ProxySocket
- AdapterSocket
- DirectAdapter
- HTTPAdapter
- SecureHTTPAdapter
- ShadowsocksAdapter
- SpeedAdapter
- SocketStatus
- name: AdapterSocketFactory
children:
- AdapterFactoryManager
- AdapterFactory
- DirectAdapterFactory
- ServerAdapterFactory
- AuthenticationServerAdapterFactory
- HTTPAdapterFactory
- HTTPAuthenticationAdapterFactory
- SecureHTTPAdapterFactory
- ShadowsocksAdapterFactory
- SpeedAdapterFactory
- name: Raw Socket
children:
- SocketBaseType
- RawSocketFactory
- RawTCPSocketProtocol
- RawTCPSocketDelegate
- GCDTCPSocket
- NWTCPSocket
- TUNTCPSocket
- NWUDPSocket
- name: Rule
children:
- RuleManager
- Rule
- DirectRule
- AllRule
- CountryRule
- ListRule
- DNSFailRule
- name: Connect Message
children:
- ConnectSession
- ConnectResponse
- HTTPHeader
- name: IP Stack
children:
- TUNInterface
- IPStackProtocol
- TCPStack
- UDPDirectStack
- name: DNS
children:
- DNSEnum
- DNSClass
- DNSMessageType
- DNSReturnStatus
- DNSType
- DNSMessage
- DNSNameConverter
- DNSQuery
- DNSResource
- DNSResolverProtocol
- DNSResolver
- DNSResolverDelegate
- UDPDNSResolver
- DNSServer
- DNSSession
- DNSSessionMatchResult
- DNSSessionMatchType
- name: IP Packet
children:
- IPVersion
- TransportProtocol
- IPPacket
- TransportProtocolParserProtocol
- UDPProtocolParser
- name: Event
children:
- EventType
- ProxyServerEvent
- TunnelEvent
- AdapterSocketEvent
- ProxySocketEvent
- RuleMatchEvent
- Observer
- ObserverFactory
- name: Observer for Debug
children:
- DebugObserverFactory
- DebugTunnelObserver
- DebugProxySocketObserver
- DebugAdapterSocketObserver
- DebugProxyServerObserver
- DebugRuleManagerObserver
- name: Configuration Parser
children:
- Configuration
- AdapterFactoryParser
- RuleParser
- ConfigurationParserError
- name: Utilities
children:
- Atomic
- Box
- BinaryReadable
- BinaryDataScanner
- Checksum
- HTTPAuthentication
- HTTPStreamScanner
- IPAddress
- IPv4Address
- IPv4Pool
- Port
- StreamScanner
- Utils
```
|
/content/code_sandbox/.jazzy.yaml
|
yaml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 772
|
```objective-c
#import <UIKit/UIKit.h>
//! Project version number for NEKit-iOS.
FOUNDATION_EXPORT double NEKit_iOS;
//! Project version string for NEKit_iOS.
FOUNDATION_EXPORT const unsigned char NEKit_iOSVersionString[];
// In this header, you should import all the public headers of your framework using statements like #import <NEKit_iOS/PublicHeader.h>
```
|
/content/code_sandbox/NEKit-iOS/NEKit-iOS.h
|
objective-c
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 76
|
```xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "path_to_url">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>FMWK</string>
<key>CFBundleShortVersionString</key>
<string>0.2.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>$(CURRENT_PROJECT_VERSION)</string>
<key>NSPrincipalClass</key>
<string></string>
</dict>
</plist>
```
|
/content/code_sandbox/NEKit-iOS/Info.plist
|
xml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 248
|
```swift
import Quick
import Nimble
@testable import NEKit
class IPRangeSpec: QuickSpec {
override func spec() {
let cidrWrongSamples = [
("127.0.0.132", IPRangeError.invalidCIDRFormat),
("13.1242.1241.1/3", IPRangeError.invalidCIDRFormat),
("123.122.33.21/35", IPRangeError.invalidMask),
("123.123.131.12/-1", IPRangeError.invalidCIDRFormat),
("123.123.131.12/", IPRangeError.invalidCIDRFormat)
]
let cidrCorrectSamples = [
("127.0.0.0/32", [IPAddress(fromString: "127.0.0.1")!]),
("127.0.0.0/31", [IPAddress(fromString: "127.0.0.1")!]),
("127.0.0.0/1", [IPAddress(fromString: "127.0.0.1")!])
]
let rangeWrongSamples = [
("127.0.0.132", IPRangeError.invalidRangeFormat),
("13.1242.1241.1+3", IPRangeError.invalidRangeFormat),
("255.255.255.255+1", IPRangeError.invalidRange),
("0.0.0.1+4294967295", IPRangeError.invalidRange),
("123.123.131.12+", IPRangeError.invalidRangeFormat),
("12.124.51.23-1", IPRangeError.invalidRangeFormat)
]
let rangeCorrectSamples = [
("127.0.0.1+3", [IPAddress(fromString: "127.0.0.1")!]),
("255.255.255.255+0", [IPAddress(fromString: "255.255.255.255")!]),
("0.0.0.0+4294967295", [IPAddress(fromString: "0.0.0.0")!])
]
let ipSamples = [
("127.0.0.1", [IPAddress(fromString: "127.0.0.1")!])
]
describe("IPRange initailization") {
it("can be initailized with CIDR IP representation") {
for sample in cidrWrongSamples {
expect {try IPRange(withCIDRString: sample.0)}.to(throwError(sample.1))
}
for sample in cidrCorrectSamples {
expect {try IPRange(withCIDRString: sample.0)}.toNot(throwError())
}
}
it("can be initailized with IP range representation") {
for sample in rangeWrongSamples {
expect {try IPRange(withRangeString: sample.0)}.to(throwError(sample.1))
}
for sample in rangeCorrectSamples {
expect {try IPRange(withRangeString: sample.0)}.toNot(throwError())
}
}
it("can select the best way to initailize") {
for sample in cidrCorrectSamples {
expect {try IPRange(withString: sample.0)}.toNot(throwError())
}
for sample in rangeCorrectSamples {
expect {try IPRange(withString: sample.0)}.toNot(throwError())
}
for sample in ipSamples {
expect {try IPRange(withString: sample.0)}.toNot(throwError())
}
}
}
describe("IPRange matching") {
it ("Can match IPv4 address with mask") {
let range = try! IPRange(withString: "8.8.8.8/24")
expect(range.contains(ip: IPAddress(fromString: "8.8.8.0")!)).to(beTrue())
expect(range.contains(ip: IPAddress(fromString: "8.8.8.255")!)).to(beTrue())
expect(range.contains(ip: IPAddress(fromString: "8.8.7.255")!)).to(beFalse())
expect(range.contains(ip: IPAddress(fromString: "8.8.9.0")!)).to(beFalse())
}
}
}
}
```
|
/content/code_sandbox/test/Utils/IPRangeSpec.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 905
|
```swift
import Quick
import Nimble
@testable import NEKit
class IPAddressSpec: QuickSpec {
override func spec() {
it("can init from IPv4 string") {
let ip = IPAddress(fromString: "127.0.0.1")
expect(ip).toNot(beNil())
expect(ip?.family) == .IPv4
}
it("can init from IPv6 string") {
let ip = IPAddress(fromString: "::1")
expect(ip).toNot(beNil())
expect(ip?.family) == .IPv6
expect(ip!.address.asUInt128) == 1
}
it("can compare IPv6 address") {
let ip1 = IPAddress(fromString: "2001::FFFF:FFFF:FFFF:1")!
let ip2 = IPAddress(fromString: "2001::FFFF:FFFF:FFFF:2")!
let ip3 = IPAddress(fromString: "2003:1234:3de2:3123::1")!
expect(ip1).to(beLessThan(ip2))
expect(ip1).to(beLessThan(ip3))
}
it("can advance IPv6 address") {
let ip1 = IPAddress(fromString: "2001::1")!
let ip2 = ip1.advanced(by: 3)
expect(ip2).toNot(beNil())
expect(ip1).to(beLessThan(ip2!))
expect(ip2!.presentation) == "2001::4"
}
}
}
```
|
/content/code_sandbox/test/Utils/IPAddressSpec.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 324
|
```swift
import Quick
import Nimble
@testable import NEKit
class HTTPURLSpec: QuickSpec {
override func spec() {
let testCases: [(String, Bool, String?, String?, Int?, String)] = [
("path_to_url", true, "http", "google.com", nil, "ncr"),
("path_to_url", true, "http", "google.com", nil, ""),
("path_to_url", true, "http", "google.com", 8080, ""),
("path_to_url", true, "http", "google.com", 8080, "ccc/aaa/vvv"),
("path_to_url", true, "https", "google.com", nil, "ncr"),
("path_to_url", true, "https", "google.com", nil, ""),
("path_to_url", true, "https", "google.com", 8080, ""),
("path_to_url", true, "https", "google.com", 8080, "ccc/aaa/vvv"),
("path_to_url", false, "", "", nil, ""),
("google.com/ncr", true, nil, "google.com", nil, "ncr"),
("google.com/", true, nil, "google.com", nil, ""),
("google.com:8080/", true, nil, "google.com", 8080, ""),
("google.com:8080/ccc/aaa/vvv", true, nil, "google.com", 8080, "ccc/aaa/vvv"),
("google.com::8080/ccc/aaa/vvv", false, "", "", nil, ""),
("/ccc/aaa/vvv", true, nil, nil, nil, "ccc/aaa/vvv"),
]
it("can parse urls") {
for test in testCases {
let url = HTTPURL(string: test.0)
if test.1 {
let url = url!
expect(url.scheme == test.2) == true
expect(url.host == test.3) == true
expect(url.port == test.4) == true
expect(url.relativePath).to(equal(test.5))
} else {
expect(url).to(beNil())
}
}
}
}
}
```
|
/content/code_sandbox/test/Utils/HTTPURLSpec.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 477
|
```objective-c
#import <Cocoa/Cocoa.h>
//! Project version number for NEKit.
FOUNDATION_EXPORT double NEKitVersionNumber;
//! Project version string for NEKit.
FOUNDATION_EXPORT const unsigned char NEKitVersionString[];
// In this header, you should import all the public headers of your framework using statements like #import <NEKit/PublicHeader.h>
```
|
/content/code_sandbox/NEKit-macOS/NEKit.h
|
objective-c
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 70
|
```xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "path_to_url">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>FMWK</string>
<key>CFBundleShortVersionString</key>
<string>0.2.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>$(CURRENT_PROJECT_VERSION)</string>
<key>NSPrincipalClass</key>
<string></string>
</dict>
</plist>
```
|
/content/code_sandbox/NEKit-macOS/Info.plist
|
xml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 248
|
```xml
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="6233" systemVersion="14A329f" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
<dependencies>
<plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="6233"/>
</dependencies>
<objects>
<customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
<connections>
<outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
</connections>
</customObject>
<customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
<customObject id="-3" userLabel="Application" customClass="NSObject"/>
<customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModuleProvider="target">
<connections>
<outlet property="window" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
</connections>
</customObject>
<customObject id="YLy-65-1bz" customClass="NSFontManager"/>
<menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
<items>
<menuItem title="NEKitDemo" id="1Xt-HY-uBw">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="NEKitDemo" systemMenu="apple" id="uQy-DD-JDr">
<items>
<menuItem title="About NEKitDemo" id="5kV-Vb-QxS">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
<menuItem title="Preferences" keyEquivalent="," id="BOF-NM-1cW"/>
<menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
<menuItem title="Services" id="NMo-om-nkz">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
</menuItem>
<menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
<menuItem title="Hide NEKitDemo" keyEquivalent="h" id="Olw-nP-bQN">
<connections>
<action selector="hide:" target="-1" id="PnN-Uc-m68"/>
</connections>
</menuItem>
<menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
<modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
<connections>
<action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
</connections>
</menuItem>
<menuItem title="Show All" id="Kd2-mp-pUS">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
<menuItem title="Quit NEKitDemo" keyEquivalent="q" id="4sb-4s-VLi">
<connections>
<action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="File" id="dMs-cI-mzQ">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="File" id="bib-Uj-vzu">
<items>
<menuItem title="New" keyEquivalent="n" id="Was-JA-tGl">
<connections>
<action selector="newDocument:" target="-1" id="4Si-XN-c54"/>
</connections>
</menuItem>
<menuItem title="Open" keyEquivalent="o" id="IAo-SY-fd9">
<connections>
<action selector="openDocument:" target="-1" id="bVn-NM-KNZ"/>
</connections>
</menuItem>
<menuItem title="Open Recent" id="tXI-mr-wws">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Open Recent" systemMenu="recentDocuments" id="oas-Oc-fiZ">
<items>
<menuItem title="Clear Menu" id="vNY-rz-j42">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="clearRecentDocuments:" target="-1" id="Daa-9d-B3U"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem isSeparatorItem="YES" id="m54-Is-iLE"/>
<menuItem title="Close" keyEquivalent="w" id="DVo-aG-piG">
<connections>
<action selector="performClose:" target="-1" id="HmO-Ls-i7Q"/>
</connections>
</menuItem>
<menuItem title="Save" keyEquivalent="s" id="pxx-59-PXV">
<connections>
<action selector="saveDocument:" target="-1" id="teZ-XB-qJY"/>
</connections>
</menuItem>
<menuItem title="Save As" keyEquivalent="S" id="Bw7-FT-i3A">
<connections>
<action selector="saveDocumentAs:" target="-1" id="mDf-zr-I0C"/>
</connections>
</menuItem>
<menuItem title="Revert to Saved" id="KaW-ft-85H">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="revertDocumentToSaved:" target="-1" id="iJ3-Pv-kwq"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="aJh-i4-bef"/>
<menuItem title="Page Setup" keyEquivalent="P" id="qIS-W8-SiK">
<modifierMask key="keyEquivalentModifierMask" shift="YES" command="YES"/>
<connections>
<action selector="runPageLayout:" target="-1" id="Din-rz-gC5"/>
</connections>
</menuItem>
<menuItem title="Print" keyEquivalent="p" id="aTl-1u-JFS">
<connections>
<action selector="print:" target="-1" id="qaZ-4w-aoO"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Edit" id="5QF-Oa-p0T">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Edit" id="W48-6f-4Dl">
<items>
<menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
<connections>
<action selector="undo:" target="-1" id="M6e-cu-g7V"/>
</connections>
</menuItem>
<menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
<connections>
<action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
<menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
<connections>
<action selector="cut:" target="-1" id="YJe-68-I9s"/>
</connections>
</menuItem>
<menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
<connections>
<action selector="copy:" target="-1" id="G1f-GL-Joy"/>
</connections>
</menuItem>
<menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
<connections>
<action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
</connections>
</menuItem>
<menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
<modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
<connections>
<action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
</connections>
</menuItem>
<menuItem title="Delete" id="pa3-QI-u2k">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
</connections>
</menuItem>
<menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
<connections>
<action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
<menuItem title="Find" id="4EN-yA-p0u">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Find" id="1b7-l0-nxx">
<items>
<menuItem title="Find" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
<connections>
<action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
</connections>
</menuItem>
<menuItem title="Find and Replace" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
<modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
<connections>
<action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
</connections>
</menuItem>
<menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
<connections>
<action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
</connections>
</menuItem>
<menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
<connections>
<action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
</connections>
</menuItem>
<menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
<connections>
<action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
</connections>
</menuItem>
<menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
<connections>
<action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
<items>
<menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
<connections>
<action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
</connections>
</menuItem>
<menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
<connections>
<action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
<menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
</connections>
</menuItem>
<menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
</connections>
</menuItem>
<menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Substitutions" id="9ic-FL-obx">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
<items>
<menuItem title="Show Substitutions" id="z6F-FW-3nz">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
<menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
</connections>
</menuItem>
<menuItem title="Smart Quotes" id="hQb-2v-fYv">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
</connections>
</menuItem>
<menuItem title="Smart Dashes" id="rgM-f4-ycn">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
</connections>
</menuItem>
<menuItem title="Smart Links" id="cwL-P1-jid">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
</connections>
</menuItem>
<menuItem title="Data Detectors" id="tRr-pd-1PS">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
</connections>
</menuItem>
<menuItem title="Text Replacement" id="HFQ-gK-NFA">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Transformations" id="2oI-Rn-ZJC">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Transformations" id="c8a-y6-VQd">
<items>
<menuItem title="Make Upper Case" id="vmV-6d-7jI">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
</connections>
</menuItem>
<menuItem title="Make Lower Case" id="d9M-CD-aMd">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
</connections>
</menuItem>
<menuItem title="Capitalize" id="UEZ-Bs-lqG">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Speech" id="xrE-MZ-jX0">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Speech" id="3rS-ZA-NoH">
<items>
<menuItem title="Start Speaking" id="Ynk-f8-cLZ">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
</connections>
</menuItem>
<menuItem title="Stop Speaking" id="Oyz-dy-DGm">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Format" id="jxT-CU-nIS">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Format" id="GEO-Iw-cKr">
<items>
<menuItem title="Font" id="Gi5-1S-RQB">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Font" systemMenu="font" id="aXa-aM-Jaq">
<items>
<menuItem title="Show Fonts" keyEquivalent="t" id="Q5e-8K-NDq">
<connections>
<action selector="orderFrontFontPanel:" target="YLy-65-1bz" id="WHr-nq-2xA"/>
</connections>
</menuItem>
<menuItem title="Bold" tag="2" keyEquivalent="b" id="GB9-OM-e27">
<connections>
<action selector="addFontTrait:" target="YLy-65-1bz" id="hqk-hr-sYV"/>
</connections>
</menuItem>
<menuItem title="Italic" tag="1" keyEquivalent="i" id="Vjx-xi-njq">
<connections>
<action selector="addFontTrait:" target="YLy-65-1bz" id="IHV-OB-c03"/>
</connections>
</menuItem>
<menuItem title="Underline" keyEquivalent="u" id="WRG-CD-K1S">
<connections>
<action selector="underline:" target="-1" id="FYS-2b-JAY"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="5gT-KC-WSO"/>
<menuItem title="Bigger" tag="3" keyEquivalent="+" id="Ptp-SP-VEL">
<connections>
<action selector="modifyFont:" target="YLy-65-1bz" id="Uc7-di-UnL"/>
</connections>
</menuItem>
<menuItem title="Smaller" tag="4" keyEquivalent="-" id="i1d-Er-qST">
<connections>
<action selector="modifyFont:" target="YLy-65-1bz" id="HcX-Lf-eNd"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="kx3-Dk-x3B"/>
<menuItem title="Kern" id="jBQ-r6-VK2">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Kern" id="tlD-Oa-oAM">
<items>
<menuItem title="Use Default" id="GUa-eO-cwY">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="useStandardKerning:" target="-1" id="6dk-9l-Ckg"/>
</connections>
</menuItem>
<menuItem title="Use None" id="cDB-IK-hbR">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="turnOffKerning:" target="-1" id="U8a-gz-Maa"/>
</connections>
</menuItem>
<menuItem title="Tighten" id="46P-cB-AYj">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="tightenKerning:" target="-1" id="hr7-Nz-8ro"/>
</connections>
</menuItem>
<menuItem title="Loosen" id="ogc-rX-tC1">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="loosenKerning:" target="-1" id="8i4-f9-FKE"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Ligatures" id="o6e-r0-MWq">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Ligatures" id="w0m-vy-SC9">
<items>
<menuItem title="Use Default" id="agt-UL-0e3">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="useStandardLigatures:" target="-1" id="7uR-wd-Dx6"/>
</connections>
</menuItem>
<menuItem title="Use None" id="J7y-lM-qPV">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="turnOffLigatures:" target="-1" id="iX2-gA-Ilz"/>
</connections>
</menuItem>
<menuItem title="Use All" id="xQD-1f-W4t">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="useAllLigatures:" target="-1" id="KcB-kA-TuK"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Baseline" id="OaQ-X3-Vso">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Baseline" id="ijk-EB-dga">
<items>
<menuItem title="Use Default" id="3Om-Ey-2VK">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="unscript:" target="-1" id="0vZ-95-Ywn"/>
</connections>
</menuItem>
<menuItem title="Superscript" id="Rqc-34-cIF">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="superscript:" target="-1" id="3qV-fo-wpU"/>
</connections>
</menuItem>
<menuItem title="Subscript" id="I0S-gh-46l">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="subscript:" target="-1" id="Q6W-4W-IGz"/>
</connections>
</menuItem>
<menuItem title="Raise" id="2h7-ER-AoG">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="raiseBaseline:" target="-1" id="4sk-31-7Q9"/>
</connections>
</menuItem>
<menuItem title="Lower" id="1tx-W0-xDw">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="lowerBaseline:" target="-1" id="OF1-bc-KW4"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem isSeparatorItem="YES" id="Ndw-q3-faq"/>
<menuItem title="Show Colors" keyEquivalent="C" id="bgn-CT-cEk">
<connections>
<action selector="orderFrontColorPanel:" target="-1" id="mSX-Xz-DV3"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="iMs-zA-UFJ"/>
<menuItem title="Copy Style" keyEquivalent="c" id="5Vv-lz-BsD">
<modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
<connections>
<action selector="copyFont:" target="-1" id="GJO-xA-L4q"/>
</connections>
</menuItem>
<menuItem title="Paste Style" keyEquivalent="v" id="vKC-jM-MkH">
<modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
<connections>
<action selector="pasteFont:" target="-1" id="JfD-CL-leO"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Text" id="Fal-I4-PZk">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Text" id="d9c-me-L2H">
<items>
<menuItem title="Align Left" keyEquivalent="{" id="ZM1-6Q-yy1">
<connections>
<action selector="alignLeft:" target="-1" id="zUv-R1-uAa"/>
</connections>
</menuItem>
<menuItem title="Center" keyEquivalent="|" id="VIY-Ag-zcb">
<connections>
<action selector="alignCenter:" target="-1" id="spX-mk-kcS"/>
</connections>
</menuItem>
<menuItem title="Justify" id="J5U-5w-g23">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="alignJustified:" target="-1" id="ljL-7U-jND"/>
</connections>
</menuItem>
<menuItem title="Align Right" keyEquivalent="}" id="wb2-vD-lq4">
<connections>
<action selector="alignRight:" target="-1" id="r48-bG-YeY"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="4s2-GY-VfK"/>
<menuItem title="Writing Direction" id="H1b-Si-o9J">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Writing Direction" id="8mr-sm-Yjd">
<items>
<menuItem title="Paragraph" enabled="NO" id="ZvO-Gk-QUH">
<modifierMask key="keyEquivalentModifierMask"/>
</menuItem>
<menuItem id="YGs-j5-SAR">
<string key="title"> Default</string>
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="makeBaseWritingDirectionNatural:" target="-1" id="qtV-5e-UBP"/>
</connections>
</menuItem>
<menuItem id="Lbh-J2-qVU">
<string key="title"> Left to Right</string>
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="makeBaseWritingDirectionLeftToRight:" target="-1" id="S0X-9S-QSf"/>
</connections>
</menuItem>
<menuItem id="jFq-tB-4Kx">
<string key="title"> Right to Left</string>
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="makeBaseWritingDirectionRightToLeft:" target="-1" id="5fk-qB-AqJ"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="swp-gr-a21"/>
<menuItem title="Selection" enabled="NO" id="cqv-fj-IhA">
<modifierMask key="keyEquivalentModifierMask"/>
</menuItem>
<menuItem id="Nop-cj-93Q">
<string key="title"> Default</string>
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="makeTextWritingDirectionNatural:" target="-1" id="lPI-Se-ZHp"/>
</connections>
</menuItem>
<menuItem id="BgM-ve-c93">
<string key="title"> Left to Right</string>
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="makeTextWritingDirectionLeftToRight:" target="-1" id="caW-Bv-w94"/>
</connections>
</menuItem>
<menuItem id="RB4-Sm-HuC">
<string key="title"> Right to Left</string>
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="makeTextWritingDirectionRightToLeft:" target="-1" id="EXD-6r-ZUu"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem isSeparatorItem="YES" id="fKy-g9-1gm"/>
<menuItem title="Show Ruler" id="vLm-3I-IUL">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="toggleRuler:" target="-1" id="FOx-HJ-KwY"/>
</connections>
</menuItem>
<menuItem title="Copy Ruler" keyEquivalent="c" id="MkV-Pr-PK5">
<modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
<connections>
<action selector="copyRuler:" target="-1" id="71i-fW-3W2"/>
</connections>
</menuItem>
<menuItem title="Paste Ruler" keyEquivalent="v" id="LVM-kO-fVI">
<modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
<connections>
<action selector="pasteRuler:" target="-1" id="cSh-wd-qM2"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="View" id="H8h-7b-M4v">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="View" id="HyV-fh-RgO">
<items>
<menuItem title="Show Toolbar" keyEquivalent="t" id="snW-S8-Cw5">
<modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
<connections>
<action selector="toggleToolbarShown:" target="-1" id="BXY-wc-z0C"/>
</connections>
</menuItem>
<menuItem title="Customize Toolbar" id="1UK-8n-QPP">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="runToolbarCustomizationPalette:" target="-1" id="pQI-g3-MTW"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Window" id="aUF-d1-5bR">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
<items>
<menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
<connections>
<action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
</connections>
</menuItem>
<menuItem title="Zoom" id="R4o-n2-Eq4">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
</connections>
</menuItem>
<menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
<menuItem title="Bring All to Front" id="LE2-aR-0XJ">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
<menuItem title="Help" id="wpr-3q-Mcd">
<modifierMask key="keyEquivalentModifierMask"/>
<menu key="submenu" title="Help" systemMenu="help" id="F2S-fz-NVQ">
<items>
<menuItem title="NEKitDemo Help" keyEquivalent="?" id="FKE-Sm-Kum">
<connections>
<action selector="showHelp:" target="-1" id="y7X-2Q-9no"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
</items>
</menu>
<window title="NEKitDemo" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g">
<windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
<windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
<rect key="contentRect" x="335" y="390" width="480" height="360"/>
<rect key="screenRect" x="0.0" y="0.0" width="1920" height="1177"/>
<view key="contentView" id="EiT-Mj-1SZ">
<rect key="frame" x="0.0" y="0.0" width="480" height="360"/>
<autoresizingMask key="autoresizingMask"/>
</view>
</window>
</objects>
</document>
```
|
/content/code_sandbox/NEKitDemo/Base.lproj/MainMenu.xib
|
xml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 7,892
|
```unknown
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "self:NEKit.xcodeproj">
</FileRef>
</Workspace>
```
|
/content/code_sandbox/NEKit.xcodeproj/project.xcworkspace/contents.xcworkspacedata
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 51
|
```xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "path_to_url">
<plist version="1.0">
<dict>
<key>IDEDidComputeMac32BitWarning</key>
<true/>
</dict>
</plist>
```
|
/content/code_sandbox/NEKit.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
|
xml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 72
|
```unknown
{
"DVTSourceControlWorkspaceBlueprintPrimaryRemoteRepositoryKey" : "E7F16E682DEFAA475C57A9EB4974749FA6202939",
your_sha256_hashKey" : {
},
"DVTSourceControlWorkspaceBlueprintWorkingCopyStatesKey" : {
"B97EEED760BDEDB08668E142659F81205FA7D2F5" : 0,
"3DD768C8AB2D6A2647C9EF99992D3CC5820E77C4" : 0,
"B5295673D40444D86A0D76339F7E4FC3397BF632" : 0,
"66CFDC272F76CD9338A9889E9A0BD12E7ECDD209" : 0,
"E7F16E682DEFAA475C57A9EB4974749FA6202939" : 0
},
"DVTSourceControlWorkspaceBlueprintIdentifierKey" : "0419C088-15A4-4927-81FA-24EF0C546990",
"DVTSourceControlWorkspaceBlueprintWorkingCopyPathsKey" : {
"B97EEED760BDEDB08668E142659F81205FA7D2F5" : "NEKit\/tun2socks\/",
"3DD768C8AB2D6A2647C9EF99992D3CC5820E77C4" : "NEKit\/Zip\/",
"B5295673D40444D86A0D76339F7E4FC3397BF632" : "NEKit\/tun2socks\/tun2socks\/lwip\/",
"66CFDC272F76CD9338A9889E9A0BD12E7ECDD209" : "",
"E7F16E682DEFAA475C57A9EB4974749FA6202939" : "NEKit\/"
},
"DVTSourceControlWorkspaceBlueprintNameKey" : "NEKit",
"DVTSourceControlWorkspaceBlueprintVersion" : 204,
"DVTSourceControlWorkspaceBlueprintRelativePathToProjectKey" : "NEKit.xcodeproj",
"DVTSourceControlWorkspaceBlueprintRemoteRepositoriesKey" : [
{
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/marmelroy\/Zip.git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "3DD768C8AB2D6A2647C9EF99992D3CC5820E77C4"
},
{
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/zhuhaow\/Specht.git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "66CFDC272F76CD9338A9889E9A0BD12E7ECDD209"
},
{
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "git:\/\/git.savannah.nongnu.org\/lwip.git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "B5295673D40444D86A0D76339F7E4FC3397BF632"
},
{
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/zhuhaow\/tun2socks.git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "B97EEED760BDEDB08668E142659F81205FA7D2F5"
},
{
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/zhuhaow\/NEKit.git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
"DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "E7F16E682DEFAA475C57A9EB4974749FA6202939"
}
]
}
```
|
/content/code_sandbox/NEKit.xcodeproj/project.xcworkspace/xcshareddata/NEKit.xcscmblueprint
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,008
|
```unknown
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "1130"
version = "1.7">
<BuildAction
parallelizeBuildables = "YES"
buildImplicitDependencies = "YES">
<BuildActionEntries>
<BuildActionEntry
buildForTesting = "YES"
buildForRunning = "YES"
buildForProfiling = "YES"
buildForArchiving = "YES"
buildForAnalyzing = "YES">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36463A2F1CDCD5EB0040579C"
BuildableName = "NEKit.framework"
BlueprintName = "NEKit-macOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</BuildActionEntry>
</BuildActionEntries>
</BuildAction>
<TestAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
shouldUseLaunchSchemeArgsEnv = "YES"
codeCoverageEnabled = "YES">
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36463A2F1CDCD5EB0040579C"
BuildableName = "NEKit.framework"
BlueprintName = "NEKit-macOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</MacroExpansion>
<Testables>
<TestableReference
skipped = "NO">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "362347121D7D44E700A047DE"
BuildableName = "NEKitTest-macOS.xctest"
BlueprintName = "NEKitTest-macOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
<LocationScenarioReference
identifier = "com.apple.dt.IDEFoundation.CurrentLocationScenarioIdentifier"
referenceType = "1">
</LocationScenarioReference>
</TestableReference>
</Testables>
</TestAction>
<LaunchAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
ignoresPersistentStateOnLaunch = "NO"
debugDocumentVersioning = "YES"
debugServiceExtension = "internal"
allowLocationSimulation = "YES">
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36463A2F1CDCD5EB0040579C"
BuildableName = "NEKit.framework"
BlueprintName = "NEKit-macOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</MacroExpansion>
</LaunchAction>
<ProfileAction
buildConfiguration = "Release"
shouldUseLaunchSchemeArgsEnv = "YES"
savedToolIdentifier = ""
useCustomWorkingDirectory = "NO"
debugDocumentVersioning = "YES">
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36463A2F1CDCD5EB0040579C"
BuildableName = "NEKit.framework"
BlueprintName = "NEKit-macOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</MacroExpansion>
</ProfileAction>
<AnalyzeAction
buildConfiguration = "Debug">
</AnalyzeAction>
<ArchiveAction
buildConfiguration = "Release"
revealArchiveInOrganizer = "YES">
</ArchiveAction>
</Scheme>
```
|
/content/code_sandbox/NEKit.xcodeproj/xcshareddata/xcschemes/NEKit-macOS.xcscheme
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 869
|
```unknown
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "1130"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
buildImplicitDependencies = "YES">
<BuildActionEntries>
<BuildActionEntry
buildForTesting = "YES"
buildForRunning = "YES"
buildForProfiling = "YES"
buildForArchiving = "YES"
buildForAnalyzing = "YES">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36C48D4C1CF88DED0071804F"
BuildableName = "NEKit.framework"
BlueprintName = "NEKit-iOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</BuildActionEntry>
</BuildActionEntries>
</BuildAction>
<TestAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
shouldUseLaunchSchemeArgsEnv = "YES"
codeCoverageEnabled = "YES">
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36C48D4C1CF88DED0071804F"
BuildableName = "NEKit.framework"
BlueprintName = "NEKit-iOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</MacroExpansion>
<Testables>
<TestableReference
skipped = "NO">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "362347211D7D458E00A047DE"
BuildableName = "NEKitTests-iOS.xctest"
BlueprintName = "NEKitTests-iOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</TestableReference>
</Testables>
</TestAction>
<LaunchAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
ignoresPersistentStateOnLaunch = "NO"
debugDocumentVersioning = "YES"
debugServiceExtension = "internal"
allowLocationSimulation = "YES">
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36C48D4C1CF88DED0071804F"
BuildableName = "NEKit.framework"
BlueprintName = "NEKit-iOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</MacroExpansion>
</LaunchAction>
<ProfileAction
buildConfiguration = "Release"
shouldUseLaunchSchemeArgsEnv = "YES"
savedToolIdentifier = ""
useCustomWorkingDirectory = "NO"
debugDocumentVersioning = "YES">
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36C48D4C1CF88DED0071804F"
BuildableName = "NEKit.framework"
BlueprintName = "NEKit-iOS"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</MacroExpansion>
</ProfileAction>
<AnalyzeAction
buildConfiguration = "Debug">
</AnalyzeAction>
<ArchiveAction
buildConfiguration = "Release"
revealArchiveInOrganizer = "YES">
</ArchiveAction>
</Scheme>
```
|
/content/code_sandbox/NEKit.xcodeproj/xcshareddata/xcschemes/NEKit-iOS.xcscheme
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 829
|
```unknown
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "1130"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
buildImplicitDependencies = "YES">
<BuildActionEntries>
<BuildActionEntry
buildForTesting = "YES"
buildForRunning = "YES"
buildForProfiling = "YES"
buildForArchiving = "YES"
buildForAnalyzing = "YES">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36A719971D5EEB4900DC35F5"
BuildableName = "NEKitDemo.app"
BlueprintName = "NEKitDemo"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</BuildActionEntry>
</BuildActionEntries>
</BuildAction>
<TestAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
shouldUseLaunchSchemeArgsEnv = "YES">
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36A719971D5EEB4900DC35F5"
BuildableName = "NEKitDemo.app"
BlueprintName = "NEKitDemo"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</MacroExpansion>
<Testables>
</Testables>
</TestAction>
<LaunchAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
ignoresPersistentStateOnLaunch = "NO"
debugDocumentVersioning = "YES"
debugServiceExtension = "internal"
allowLocationSimulation = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36A719971D5EEB4900DC35F5"
BuildableName = "NEKitDemo.app"
BlueprintName = "NEKitDemo"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
</LaunchAction>
<ProfileAction
buildConfiguration = "Release"
shouldUseLaunchSchemeArgsEnv = "YES"
savedToolIdentifier = ""
useCustomWorkingDirectory = "NO"
debugDocumentVersioning = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "36A719971D5EEB4900DC35F5"
BuildableName = "NEKitDemo.app"
BlueprintName = "NEKitDemo"
ReferencedContainer = "container:NEKit.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
</ProfileAction>
<AnalyzeAction
buildConfiguration = "Debug">
</AnalyzeAction>
<ArchiveAction
buildConfiguration = "Release"
revealArchiveInOrganizer = "YES">
</ArchiveAction>
</Scheme>
```
|
/content/code_sandbox/NEKit.xcodeproj/xcshareddata/xcschemes/NEKitDemo.xcscheme
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 752
|
```xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "path_to_url">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>BNDL</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1</string>
</dict>
</plist>
```
|
/content/code_sandbox/NEKitTest-macOS/Info.plist
|
xml
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 228
|
```swift
import Foundation
open class ResponseGeneratorFactory {
static var HTTPProxyResponseGenerator: ResponseGenerator.Type?
static var SOCKS5ProxyResponseGenerator: ResponseGenerator.Type?
}
```
|
/content/code_sandbox/src/ResponseGeneratorFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 37
|
```swift
import Foundation
open class ResponseGenerator {
public let session: ConnectSession
public init(withSession session: ConnectSession) {
self.session = session
}
open func generateResponse() -> Data {
return Data()
}
}
```
|
/content/code_sandbox/src/ResponseGenerator.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 53
|
```swift
import Foundation
import Resolver
struct GlobalIntializer {
private static let _initialized: Bool = {
Resolver.queue = QueueFactory.getQueue()
return true
}()
static func initalize() {
_ = _initialized
}
}
```
|
/content/code_sandbox/src/GlobalIntializer.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 55
|
```swift
import Foundation
public struct Opt {
public static var MAXNWTCPSocketReadDataSize = 128 * 1024
// This is only used in finding the end of HTTP header (as of now). There is no limit on the length of http header, but Apache set it to 8KB
public static var MAXNWTCPScanLength = 8912
public static var DNSFakeIPTTL = 300
public static var DNSPendingSessionLifeTime = 10
public static var UDPSocketActiveTimeout = 300
public static var UDPSocketActiveCheckInterval = 60
public static var MAXHTTPContentBlockLength = 10240
public static var RejectAdapterDefaultDelay = 300
public static var DNSTimeout = 1
public static var forwardReadInterval = 50
}
```
|
/content/code_sandbox/src/Opt.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 184
|
```swift
import Foundation
public struct Utils {
public struct HTTPData {
public static let DoubleCRLF = "\r\n\r\n".data(using: String.Encoding.utf8)!
public static let CRLF = "\r\n".data(using: String.Encoding.utf8)!
public static let ConnectSuccessResponse = "HTTP/1.1 200 Connection Established\r\n\r\n".data(using: String.Encoding.utf8)!
}
public struct DNS {
// swiftlint:disable:next nesting
public enum QueryType {
// swiftlint:disable:next type_name
case a, aaaa, unspec
}
public static func resolve(_ name: String, type: QueryType = .unspec) -> String {
let remoteHostEnt = gethostbyname2((name as NSString).utf8String, AF_INET)
if remoteHostEnt == nil {
return ""
}
let remoteAddr = UnsafeMutableRawPointer(remoteHostEnt?.pointee.h_addr_list[0])
var output = [Int8](repeating: 0, count: Int(INET6_ADDRSTRLEN))
inet_ntop(AF_INET, remoteAddr, &output, socklen_t(INET6_ADDRSTRLEN))
return NSString(utf8String: output)! as String
}
}
// swiftlint:disable:next type_name
public struct IP {
public static func isIPv4(_ ipAddress: String) -> Bool {
if IPv4ToInt(ipAddress) != nil {
return true
} else {
return false
}
}
public static func isIPv6(_ ipAddress: String) -> Bool {
let utf8Str = (ipAddress as NSString).utf8String
var dst = [UInt8](repeating: 0, count: 16)
return inet_pton(AF_INET6, utf8Str, &dst) == 1
}
public static func isIP(_ ipAddress: String) -> Bool {
return isIPv4(ipAddress) || isIPv6(ipAddress)
}
public static func IPv4ToInt(_ ipAddress: String) -> UInt32? {
let utf8Str = (ipAddress as NSString).utf8String
var dst = in_addr(s_addr: 0)
if inet_pton(AF_INET, utf8Str, &(dst.s_addr)) == 1 {
return UInt32(dst.s_addr)
} else {
return nil
}
}
public static func IPv4ToBytes(_ ipAddress: String) -> [UInt8]? {
if let ipv4int = IPv4ToInt(ipAddress) {
return Utils.toByteArray(ipv4int).reversed()
} else {
return nil
}
}
public static func IPv6ToBytes(_ ipAddress: String) -> [UInt8]? {
let utf8Str = (ipAddress as NSString).utf8String
var dst = [UInt8](repeating: 0, count: 16)
if inet_pton(AF_INET6, utf8Str, &dst) == 1 {
return Utils.toByteArray(dst).reversed()
} else {
return nil
}
}
}
struct GeoIPLookup {
static func Lookup(_ ipAddress: String) -> String? {
if Utils.IP.isIP(ipAddress) {
guard let result = GeoIP.LookUp(ipAddress) else {
return "--"
}
return result.isoCode
} else {
return nil
}
}
}
static func toByteArray<T>(_ value: T) -> [UInt8] {
var value = value
return withUnsafeBytes(of: &value) {
Array($0)
}
}
struct Random {
static func fill(data: inout Data, from: Int = 0, to: Int = -1) {
let c = data.count
data.withUnsafeMutableBytes {
arc4random_buf($0.baseAddress!.advanced(by: from), to == -1 ? c - from : to - from)
}
}
static func fill(data: inout Data, from: Int = 0, length: Int) {
fill(data: &data, from: from, to: from + length)
}
}
}
```
|
/content/code_sandbox/src/Utils.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 902
|
```swift
import Foundation
import CocoaLumberjackSwift
/**
The pool is build to hold fake ips.
- note: It is NOT thread-safe.
*/
public final class IPPool {
let family: IPAddress.Family
let range: IPRange
var currentEnd: IPAddress
var pool: [IPAddress] = []
public init(range: IPRange) {
family = range.family
self.range = range
currentEnd = range.startIP
}
func fetchIP() -> IPAddress? {
if pool.count == 0 {
if range.contains(ip: currentEnd) {
defer {
currentEnd = currentEnd.advanced(by: 1)!
}
return currentEnd
} else {
return nil
}
}
return pool.removeLast()
}
func release(ip: IPAddress) {
guard ip.family == family else {
return
}
pool.append(ip)
}
func contains(ip: IPAddress) -> Bool {
return range.contains(ip: ip)
}
}
```
|
/content/code_sandbox/src/Utils/IPPool.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 219
|
```swift
import Foundation
public enum IPInterval {
case IPv4(UInt32), IPv6(UInt128)
}
```
|
/content/code_sandbox/src/Utils/IPInterval.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 22
|
```swift
import Foundation
open class Checksum {
public static func computeChecksum(_ data: Data, from start: Int = 0, to end: Int? = nil, withPseudoHeaderChecksum initChecksum: UInt32 = 0) -> UInt16 {
return toChecksum(computeChecksumUnfold(data, from: start, to: end, withPseudoHeaderChecksum: initChecksum))
}
public static func validateChecksum(_ payload: Data, from start: Int = 0, to end: Int? = nil) -> Bool {
let cs = computeChecksumUnfold(payload, from: start, to: end)
return toChecksum(cs) == 0
}
public static func computeChecksumUnfold(_ data: Data, from start: Int = 0, to end: Int? = nil, withPseudoHeaderChecksum initChecksum: UInt32 = 0) -> UInt32 {
let scanner = BinaryDataScanner(data: data, littleEndian: true)
scanner.skip(to: start)
var result: UInt32 = initChecksum
var end = end
if end == nil {
end = data.count
}
while scanner.position + 2 <= end! {
let value = scanner.read16()!
result += UInt32(value)
}
if scanner.position != end {
// data is of odd size
// Intel and ARM are both litten endian
// so just add it
let value = scanner.readByte()!
result += UInt32(value)
}
return result
}
public static func toChecksum(_ checksum: UInt32) -> UInt16 {
var result = checksum
while (result) >> 16 != 0 {
result = result >> 16 + result & 0xFFFF
}
return ~UInt16(result)
}
}
```
|
/content/code_sandbox/src/Utils/Checksum.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 390
|
```swift
import Foundation
// This is just a simple wrapper of `Data`.
// Theoratically, it may be better to use a ring buffer for what is needed for this project.
// But this buffer should be much more space efficient.
struct Buffer {
private var buffer: Data
private var offset = 0
var left: Int {
return buffer.count - offset
}
init(capacity: Int) {
buffer = Data(capacity: capacity)
}
mutating func append(data: Data) {
buffer.append(data)
}
mutating func squeeze() {
guard offset > 0 else {
return
}
buffer.removeFirst(offset)
offset = 0
}
mutating func get(length: Int) -> Data? {
guard buffer.count - offset >= length else {
return nil
}
defer {
offset += length
}
return buffer.subdata(in: offset..<offset+length)
}
mutating func get(to pattern: Data) -> Data? {
guard let range = buffer.range(of: pattern, options: .backwards, in: offset..<buffer.count) else {
return nil
}
return get(length: range.upperBound - offset)
}
mutating func get() -> Data? {
return get(length: buffer.count - offset)
}
mutating func setBack(length: Int) {
guard offset >= length else {
offset = 0
return
}
offset -= length
}
mutating func release() {
buffer = Data()
}
mutating func withUnsafeBytes<T, U>(_ body: @escaping (UnsafePointer<T>) throws -> U ) rethrows -> U {
let c = buffer.count - offset
let o = offset
return try buffer.withUnsafeBytes { (ptr: UnsafeRawBufferPointer) -> U in
return try body(ptr.baseAddress!.advanced(by: o).bindMemory(to: T.self, capacity: c / MemoryLayout<T>.stride))
}
}
mutating func skip(_ step: Int) {
offset += step
}
}
```
|
/content/code_sandbox/src/Utils/Buffer.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 444
|
```swift
import Foundation
public class IPAddress: CustomStringConvertible, Comparable {
public enum Family {
case IPv4, IPv6
}
public enum Address: Equatable {
case IPv4(in_addr), IPv6(in6_addr)
public var asUInt128: UInt128 {
switch self {
case .IPv4(let addr):
return UInt128(addr.s_addr.byteSwapped)
case .IPv6(var addr):
var upperBits: UInt64 = 0, lowerBits: UInt64 = 0
withUnsafeBytes(of: &addr) {
upperBits = $0.load(as: UInt64.self).byteSwapped
lowerBits = $0.load(fromByteOffset: MemoryLayout<UInt64>.size, as: UInt64.self).byteSwapped
}
return UInt128(upperBits: upperBits, lowerBits: lowerBits)
}
}
}
public let family: Family
public let address: Address
public lazy var presentation: String = { [unowned self] in
switch self.address {
case .IPv4(var addr):
var buffer = [Int8](repeating: 0, count: Int(INET_ADDRSTRLEN))
var p: UnsafePointer<Int8>! = nil
withUnsafePointer(to: &addr) {
p = inet_ntop(AF_INET, $0, &buffer, UInt32(INET_ADDRSTRLEN))
}
return String(cString: p)
case .IPv6(var addr):
var buffer = [Int8](repeating: 0, count: Int(INET6_ADDRSTRLEN))
var p: UnsafePointer<Int8>! = nil
withUnsafePointer(to: &addr) {
p = inet_ntop(AF_INET6, $0, &buffer, UInt32(INET6_ADDRSTRLEN))
}
return String(cString: p)
}
}()
public init(fromInAddr addr: in_addr) {
family = .IPv4
address = .IPv4(addr)
}
public init(fromIn6Addr addr6: in6_addr) {
family = .IPv6
address = .IPv6(addr6)
}
public convenience init?(fromString string: String) {
var addr = in_addr()
if (string.withCString {
return inet_pton(AF_INET, $0, &addr)
}) == 1 {
self.init(fromInAddr: addr)
presentation = string
} else {
var addr6 = in6_addr()
if (string.withCString {
return inet_pton(AF_INET6, $0, &addr6)
}) == 1 {
self.init(fromIn6Addr: addr6)
presentation = string
} else {
return nil
}
}
}
public convenience init(ipv4InNetworkOrder: UInt32) {
let addr = in_addr(s_addr: ipv4InNetworkOrder)
self.init(fromInAddr: addr)
}
public convenience init(ipv6InNetworkOrder: UInt128) {
var ip = ipv6InNetworkOrder
var addr = in6_addr()
withUnsafeBytes(of: &ip) { ipptr in
withUnsafeMutableBytes(of: &addr) { addrptr in
addrptr.storeBytes(of: ipptr.load(fromByteOffset: MemoryLayout<UInt64>.size, as: UInt64.self), toByteOffset: 0, as: UInt64.self)
addrptr.storeBytes(of: ipptr.load(as: UInt64.self), toByteOffset: MemoryLayout<UInt64>.size, as: UInt64.self)
}
}
self.init(fromIn6Addr: addr)
}
public convenience init(fromBytesInNetworkOrder ptr: UnsafeRawPointer, family: Family = .IPv4) {
switch family {
case .IPv4:
let addr = ptr.assumingMemoryBound(to: in_addr.self).pointee
self.init(fromInAddr: addr)
case .IPv6:
let addr6 = ptr.assumingMemoryBound(to: in6_addr.self).pointee
self.init(fromIn6Addr: addr6)
}
}
public var description: String {
return presentation
}
public var dataInNetworkOrder: Data {
var outputData: Data? = nil
withBytesInNetworkOrder {
outputData = Data($0)
}
return outputData!
}
public var UInt32InNetworkOrder: UInt32? {
switch self.address {
case .IPv4(let addr):
return addr.s_addr
default:
return nil
}
}
public var UInt128InNetworkOrder: UInt128? {
return self.address.asUInt128.byteSwapped
}
public func withBytesInNetworkOrder<U>(_ body: (UnsafeRawBufferPointer) throws -> U) rethrows -> U {
switch address {
case .IPv4(var addr):
return try withUnsafeBytes(of: &addr, body)
case .IPv6(var addr):
return try withUnsafeBytes(of: &addr, body)
}
}
public func advanced(by interval: IPInterval) -> IPAddress? {
switch (interval, address) {
case (.IPv4(let range), .IPv4(let addr)):
return IPAddress(ipv4InNetworkOrder: (addr.s_addr.byteSwapped &+ range).byteSwapped)
case (.IPv6(let range), .IPv6):
return IPAddress(ipv6InNetworkOrder: (address.asUInt128 &+ range).byteSwapped)
default:
return nil
}
}
public func advanced(by interval: UInt) -> IPAddress? {
switch self.address {
case .IPv4(let addr):
return IPAddress(ipv4InNetworkOrder: (addr.s_addr.byteSwapped &+ UInt32(interval)).byteSwapped)
case .IPv6:
return IPAddress(ipv6InNetworkOrder: (address.asUInt128 &+ UInt128(interval)).byteSwapped)
}
}
}
public func == (lhs: IPAddress, rhs: IPAddress) -> Bool {
return lhs.address == rhs.address
}
// Comparing IP addresses of different families are undefined.
// But currently, IPv4 is considered smaller than IPv6 address. Do NOT depend on this behavior.
public func < (lhs: IPAddress, rhs: IPAddress) -> Bool {
switch (lhs.address, rhs.address) {
case (.IPv4(let addrl), .IPv4(let addrr)):
return addrl.s_addr.byteSwapped < addrr.s_addr.byteSwapped
case (.IPv6(var addrl), .IPv6(var addrr)):
let ms = MemoryLayout.size(ofValue: addrl)
return (withUnsafeBytes(of: &addrl) { ptrl in
withUnsafeBytes(of: &addrr) { ptrr in
return memcmp(ptrl.baseAddress!, ptrr.baseAddress!, ms)
}
}) < 0
case (.IPv4, .IPv6):
return true
case (.IPv6, .IPv4):
return false
}
}
public func == (lhs: IPAddress.Address, rhs: IPAddress.Address) -> Bool {
switch (lhs, rhs) {
case (.IPv4(let addrl), .IPv4(let addrr)):
return addrl.s_addr == addrr.s_addr
case (.IPv6(let addrl), .IPv6(let addrr)):
return addrl.__u6_addr.__u6_addr32 == addrr.__u6_addr.__u6_addr32
default:
return false
}
}
extension IPAddress: Hashable {
public func hash(into hasher: inout Hasher) {
switch address {
case .IPv4(let addr):
return hasher.combine(addr.s_addr.hashValue)
case .IPv6(var addr):
return withUnsafeBytes(of: &addr) {
return hasher.combine(bytes: $0)
}
}
}
}
```
|
/content/code_sandbox/src/Utils/IPAddress.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,712
|
```swift
//
// BinaryDataScanner.swift
// Murphy
//
// Created by Dave Peck on 7/20/14.
//
import Foundation
/*
Toying with tools to help read binary formats.
I've seen lots of approaches in swift that create
an intermediate object per-read (usually another NSData)
but even if these are lightweight under the hood,
it seems like overkill. Plus this taught me about <()> aka <Void>
And it would be nice to have an extension to
NSFileHandle too that does much the same.
*/
public protocol BinaryReadable {
var littleEndian: Self { get }
var bigEndian: Self { get }
}
extension UInt8: BinaryReadable {
public var littleEndian: UInt8 { return self }
public var bigEndian: UInt8 { return self }
}
extension UInt16: BinaryReadable {}
extension UInt32: BinaryReadable {}
extension UInt64: BinaryReadable {}
open class BinaryDataScanner {
let data: Data
let littleEndian: Bool
// let encoding: NSStringEncoding
var remaining: Int {
return data.count - position
}
var position: Int = 0
public init(data: Data, littleEndian: Bool) {
self.data = data
self.littleEndian = littleEndian
}
open func read<T: BinaryReadable>() -> T? {
if remaining < MemoryLayout<T>.size {
return nil
}
let v = data.withUnsafeBytes {
$0.baseAddress!.advanced(by: position).assumingMemoryBound(to: T.self).pointee
}
position += MemoryLayout<T>.size
return littleEndian ? v.littleEndian : v.bigEndian
}
// swiftlint:disable variable_name
open func skip(to n: Int) {
position = n
}
open func advance(by n: Int) {
position += n
}
/* convenience read funcs */
open func readByte() -> UInt8? {
return read()
}
open func read16() -> UInt16? {
return read()
}
open func read32() -> UInt32? {
return read()
}
open func read64() -> UInt64? {
return read()
}
}
```
|
/content/code_sandbox/src/Utils/BinaryDataScanner.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 476
|
```swift
import Foundation
/// Represents the port number of IP protocol.
public struct Port: CustomStringConvertible, ExpressibleByIntegerLiteral {
public typealias IntegerLiteralType = UInt16
fileprivate var inport: UInt16
/**
Initialize a new instance with the port number in network byte order.
- parameter portInNetworkOrder: The port number in network byte order.
- returns: The initailized port.
*/
public init(portInNetworkOrder: UInt16) {
self.inport = portInNetworkOrder
}
/**
Initialize a new instance with the port number.
- parameter port: The port number.
- returns: The initailized port.
*/
public init(port: UInt16) {
self.init(portInNetworkOrder: NSSwapHostShortToBig(port))
}
public init(integerLiteral value: Port.IntegerLiteralType) {
self.init(port: value)
}
/**
Initialize a new instance with data in network byte order.
- parameter bytesInNetworkOrder: The port data in network byte order.
- returns: The initailized port.
*/
public init(bytesInNetworkOrder: UnsafeRawPointer) {
self.init(portInNetworkOrder: bytesInNetworkOrder.load(as: UInt16.self))
}
public var description: String {
return "<Port \(value)>"
}
/// The port number.
public var value: UInt16 {
return NSSwapBigShortToHost(inport)
}
public var valueInNetworkOrder: UInt16 {
return inport
}
/**
Run a block with the bytes of port in **network order**.
- parameter block: The block to run.
- returns: The value the block returns.
*/
public mutating func withUnsafeBufferPointer<T>(_ block: (UnsafeRawBufferPointer) -> T) -> T {
return withUnsafeBytes(of: &inport) {
return block($0)
}
}
}
public func == (left: Port, right: Port) -> Bool {
return left.valueInNetworkOrder == right.valueInNetworkOrder
}
extension Port: Hashable {}
```
|
/content/code_sandbox/src/Utils/Port.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 456
|
```swift
import Foundation
public enum IPMask {
case IPv4(UInt32), IPv6(UInt128)
func mask(baseIP: IPAddress) -> (IPAddress, IPAddress)? {
switch (self, baseIP.address) {
case (.IPv4(var m), .IPv4(let addr)):
guard m <= 32 else {
return nil
}
if m == 32 {
return (baseIP, baseIP)
}
if m == 0 {
return (IPAddress(ipv4InNetworkOrder: 0), IPAddress(ipv4InNetworkOrder: UInt32.max))
}
m = 32 - m
let base = (addr.s_addr.byteSwapped >> m) << m
let end = base | ~((UInt32.max >> m) << m)
let b = IPAddress(ipv4InNetworkOrder: base.byteSwapped)
let e = IPAddress(ipv4InNetworkOrder: end.byteSwapped)
return (b, e)
case (.IPv6(var m), .IPv6):
guard m <= 128 else {
return nil
}
if m == 128 {
return (baseIP, baseIP)
}
if m == 0 {
return (IPAddress(ipv6InNetworkOrder: 0), IPAddress(ipv6InNetworkOrder: UInt128.max))
}
m = 128 - m
let base = (baseIP.address.asUInt128.byteSwapped >> m) << m
let end = base | ~((UInt128.max >> m) << m)
let b = IPAddress(ipv6InNetworkOrder: base.byteSwapped)
let e = IPAddress(ipv6InNetworkOrder: end.byteSwapped)
return (b, e)
default:
return nil
}
}
}
```
|
/content/code_sandbox/src/Utils/IPMask.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 387
|
```swift
import Foundation
public enum IPRangeError: Error {
case invalidCIDRFormat, invalidRangeFormat, invalidRange, invalidFormat, addressIncompatible, noRange, intervalInvalid, invalidMask
}
public class IPRange {
public let startIP: IPAddress
// including, so we can include 255.255.255.255 in range.
public let endIP: IPAddress
public let family: IPAddress.Family
public init(startIP: IPAddress, endIP: IPAddress) throws {
guard startIP.family == endIP.family else {
throw IPRangeError.addressIncompatible
}
guard startIP <= endIP else {
throw IPRangeError.invalidRange
}
self.startIP = startIP
self.endIP = endIP
family = startIP.family
}
public convenience init(startIP: IPAddress, interval: IPInterval) throws {
guard let endIP = startIP.advanced(by: interval) else {
throw IPRangeError.intervalInvalid
}
try self.init(startIP: startIP, endIP: endIP)
}
public convenience init(startIP: IPAddress, mask: IPMask) throws {
guard let (startIP, endIP) = mask.mask(baseIP: startIP) else {
throw IPRangeError.invalidMask
}
try self.init(startIP: startIP, endIP: endIP)
}
public func contains(ip: IPAddress) -> Bool {
guard ip.family == family else {
return false
}
return ip >= startIP && ip <= endIP
}
}
extension IPRange {
public convenience init(withCIDRString rep: String) throws {
let info = rep.components(separatedBy: "/")
guard info.count == 2 else {
throw IPRangeError.invalidCIDRFormat
}
guard let ip = IPAddress(fromString: info[0]) else {
throw IPRangeError.invalidCIDRFormat
}
var mask: IPMask
switch ip.family {
case .IPv4:
guard let m = UInt32(info[1]) else {
throw IPRangeError.invalidCIDRFormat
}
mask = IPMask.IPv4(m)
case .IPv6:
guard let m6 = try? UInt128(info[1]) else {
throw IPRangeError.invalidCIDRFormat
}
mask = IPMask.IPv6(m6)
}
try self.init(startIP: ip, mask: mask)
}
public convenience init(withRangeString rep: String) throws {
let info = rep.components(separatedBy: "+")
guard info.count == 2 else {
throw IPRangeError.invalidRangeFormat
}
guard let startIP = IPAddress(fromString: info[0]) else {
throw IPRangeError.invalidRangeFormat
}
var interval: IPInterval
switch startIP.family {
case .IPv4:
guard let m = UInt32(info[1]) else {
throw IPRangeError.invalidRangeFormat
}
interval = IPInterval.IPv4(m)
case .IPv6:
guard let m6 = try? UInt128(info[1]) else {
throw IPRangeError.invalidRangeFormat
}
interval = IPInterval.IPv6(m6)
}
try self.init(startIP: startIP, interval: interval)
}
public convenience init(withString rep: String) throws {
if rep.contains("/") {
try self.init(withCIDRString: rep)
} else if rep.contains("+") {
try self.init(withRangeString: rep)
} else {
guard let ip = IPAddress(fromString: rep) else {
throw IPRangeError.invalidFormat
}
try self.init(startIP: ip, endIP: ip)
}
}
}
```
|
/content/code_sandbox/src/Utils/IPRange.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 812
|
```swift
import Foundation
public class HTTPURL {
public let scheme: String?
public let host: String?
public let port: Int?
// public let path: String
public let relativePath: String
// swiftlint:disable:next force_try
static let urlreg = try! NSRegularExpression(pattern: "^(?:(?:(https?):\\/\\/)?([\\w\\.-]+)(?::(\\d+))?)?(?:\\/(.*))?$", options: NSRegularExpression.Options.caseInsensitive)
init?(string url: String) {
let nsurl = url as NSString
guard let result = HTTPURL.urlreg.firstMatch(in: url, range: NSRange(location: 0, length: nsurl.length)) else {
return nil
}
guard result.numberOfRanges == 5 else {
return nil
}
guard result.range(at: 0).location != NSNotFound else {
return nil
}
var range = result.range(at: 1)
if range.location != NSNotFound {
scheme = nsurl.substring(with: range)
} else {
scheme = nil
}
range = result.range(at: 2)
if range.location != NSNotFound {
host = nsurl.substring(with: range)
} else {
host = nil
}
range = result.range(at: 3)
if range.location != NSNotFound {
port = Int(nsurl.substring(with: range))
} else {
port = nil
}
range = result.range(at: 4)
if range.location != NSNotFound {
relativePath = nsurl.substring(with: range)
} else {
relativePath = ""
}
}
}
```
|
/content/code_sandbox/src/Utils/HTTPURL.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 365
|
```swift
import Foundation
open class StreamScanner {
var receivedData: NSMutableData = NSMutableData()
let pattern: Data
let maximumLength: Int
var finished = false
var currentLength: Int {
return receivedData.length
}
public init(pattern: Data, maximumLength: Int) {
self.pattern = pattern
self.maximumLength = maximumLength
}
// I know this is not the most effcient algorithm if there is a large number of NSDatas, but since we only need to find the CRLF in http header (as of now), and it should be ready in the first readData call, there is no need to implement a complicate algorithm which is very likely to be slower in such case.
open func addAndScan(_ data: Data) -> (Data?, Data)? {
guard finished == false else {
return nil
}
receivedData.append(data)
let startind = max(0, receivedData.length - pattern.count - data.count)
let range = receivedData.range(of: pattern, options: .backwards, in: NSRange(location: startind, length: receivedData.length - startind))
if range.location == NSNotFound {
if receivedData.length > maximumLength {
finished = true
return (nil, receivedData as Data)
} else {
return nil
}
} else {
finished = true
let foundEndIndex = range.location + range.length
return (receivedData.subdata(with: NSRange(location: 0, length: foundEndIndex)), receivedData.subdata(with: NSRange(location: foundEndIndex, length: receivedData.length - foundEndIndex)))
}
}
}
```
|
/content/code_sandbox/src/Utils/StreamScanner.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 358
|
```swift
import Foundation
class HTTPStreamScanner {
enum ReadAction {
case readHeader, readContent(Int), stop
}
enum Result {
case header(HTTPHeader), content(Data)
}
enum HTTPStreamScannerError: Error {
case contentIsTooLong, scannerIsStopped, unsupportedStreamType
}
var nextAction: ReadAction = .readHeader
var remainContentLength: Int = 0
var currentHeader: HTTPHeader!
var isConnect: Bool = false
func input(_ data: Data) throws -> Result {
switch nextAction {
case .readHeader:
let header: HTTPHeader
do {
header = try HTTPHeader(headerData: data)
// To temporarily solve a bug in firefox for mac
if currentHeader != nil && header.host != currentHeader.host {
throw HTTPStreamScannerError.unsupportedStreamType
}
} catch let error {
nextAction = .stop
throw error
}
if currentHeader == nil {
if header.isConnect {
isConnect = true
remainContentLength = -1
} else {
isConnect = false
remainContentLength = header.contentLength
}
} else {
remainContentLength = header.contentLength
}
currentHeader = header
setNextAction()
return .header(header)
case .readContent:
remainContentLength -= data.count
if !isConnect && remainContentLength < 0 {
nextAction = .stop
throw HTTPStreamScannerError.contentIsTooLong
}
setNextAction()
return .content(data)
case .stop:
throw HTTPStreamScannerError.scannerIsStopped
}
}
fileprivate func setNextAction() {
switch remainContentLength {
case 0:
nextAction = .readHeader
case _ where remainContentLength < 0:
nextAction = .readContent(-1)
default:
nextAction = .readContent(min(remainContentLength, Opt.MAXHTTPContentBlockLength))
}
}
}
```
|
/content/code_sandbox/src/Utils/HTTPStreamScanner.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 454
|
```swift
import Foundation
/**
* The helper wrapping up an HTTP basic authentication credential.
*/
public struct HTTPAuthentication {
/// The username of the credential.
public let username: String
/// The password of the credential.
public let password: String
/**
Initailize the credential with username and password.
- parameter username: The username of the credential.
- parameter password: The password of the credential.
- returns: The credential.
*/
public init(username: String, password: String) {
self.username = username
self.password = password
}
/**
Return the base64 encoded string of the credential.
- returns: The credential encoded with `"\(username):\(password)"`
*/
public func encoding() -> String? {
let auth = "\(username):\(password)"
return auth.data(using: String.Encoding.utf8)?.base64EncodedString(options: NSData.Base64EncodingOptions.endLineWithLineFeed)
}
/**
Return the full header field content for `Authorization` of an HTTP basic authentication.
- returns: The encoded authentication string.
*/
public func authString() -> String {
return "Basic \(encoding()!)"
}
}
```
|
/content/code_sandbox/src/Utils/HTTPAuthentication.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 255
|
```swift
//
// UInt128.swift
//
// An implementation of a 128-bit unsigned integer data type not
// relying on any outside libraries apart from Swift's standard
// library. It also seeks to implement the entirety of the
// UnsignedInteger protocol as well as standard functions supported
// by Swift's native unsigned integer types.
//
//
//
// path_to_url
//
// Unless required by applicable law or agreed to in writing, software
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// MARK: Error Type
/// An `ErrorType` for `UInt128` data types. It includes cases
/// for errors that can occur during string
/// conversion.
public enum UInt128Errors : Error {
/// Input cannot be converted to a UInt128 value.
case invalidString
}
// MARK: - Data Type
/// A 128-bit unsigned integer value type.
/// Storage is based upon a tuple of 2, 64-bit, unsigned integers.
public struct UInt128 {
// MARK: Instance Properties
/// Internal value is presented as a tuple of 2 64-bit
/// unsigned integers.
internal var value: (upperBits: UInt64, lowerBits: UInt64)
/// Counts up the significant bits in stored data.
public var significantBits: UInt128 {
var significantBits: UInt128 = 0
var bitsToWalk: UInt64 = 0 // The bits to crawl in loop.
// When upperBits > 0, lowerBits are all significant.
if self.value.upperBits > 0 {
bitsToWalk = self.value.upperBits
significantBits = 64
} else if self.value.lowerBits > 0 {
bitsToWalk = self.value.lowerBits
}
// Walk significant bits by shifting right until all bits are equal to 0.
while bitsToWalk > 0 {
bitsToWalk >>= 1
significantBits += 1
}
return significantBits
}
/// Undocumented private variable required for passing this type
/// to a BinaryFloatingPoint type. See FloatingPoint.swift.gyb in
/// the Swift stdlib/public/core directory.
internal var signBitIndex: Int {
return 127 - leadingZeroBitCount
}
// MARK: Initializers
/// Designated initializer for the UInt128 type.
public init(upperBits: UInt64, lowerBits: UInt64) {
value.upperBits = upperBits
value.lowerBits = lowerBits
}
public init() {
self.init(upperBits: 0, lowerBits: 0)
}
public init(_ source: UInt128) {
self.init(upperBits: source.value.upperBits,
lowerBits: source.value.lowerBits)
}
/// Initialize a UInt128 value from a string.
///
/// - parameter source: the string that will be converted into a
/// UInt128 value. Defaults to being analyzed as a base10 number,
/// but can be prefixed with `0b` for base2, `0o` for base8
/// or `0x` for base16.
public init(_ source: String) throws {
guard let result = UInt128._valueFromString(source) else {
throw UInt128Errors.invalidString
}
self = result
}
}
// MARK: - FixedWidthInteger Conformance
extension UInt128 : FixedWidthInteger {
public static var bitWidth : Int { return 128 }
// MARK: Instance Properties
public var nonzeroBitCount: Int {
var nonZeroCount = 0
var shiftWidth = 0
while shiftWidth < 128 {
let shiftedSelf = self &>> shiftWidth
let currentBit = shiftedSelf & 1
if currentBit == 1 {
nonZeroCount += 1
}
shiftWidth += 1
}
return nonZeroCount
}
public var leadingZeroBitCount: Int {
var zeroCount = 0
var shiftWidth = 127
while shiftWidth >= 0 {
let currentBit = self &>> shiftWidth
guard currentBit == 0 else { break }
zeroCount += 1
shiftWidth -= 1
}
return zeroCount
}
/// Returns the big-endian representation of the integer, changing the byte order if necessary.
public var bigEndian: UInt128 {
#if arch(i386) || arch(x86_64) || arch(arm) || arch(arm64)
return self.byteSwapped
#else
return self
#endif
}
/// Returns the little-endian representation of the integer, changing the byte order if necessary.
public var littleEndian: UInt128 {
#if arch(i386) || arch(x86_64) || arch(arm) || arch(arm64)
return self
#else
return self.byteSwapped
#endif
}
/// Returns the current integer with the byte order swapped.
public var byteSwapped: UInt128 {
return UInt128(upperBits: self.value.lowerBits.byteSwapped, lowerBits: self.value.upperBits.byteSwapped)
}
// MARK: Initializers
/// Creates a UInt128 from a given value, with the input's value
/// truncated to a size no larger than what UInt128 can handle.
/// Since the input is constrained to an UInt, no truncation needs
/// to occur, as a UInt is currently 64 bits at the maximum.
public init(_truncatingBits bits: UInt) {
self.init(upperBits: 0, lowerBits: UInt64(bits))
}
/// Creates an integer from its big-endian representation, changing the
/// byte order if necessary.
public init(bigEndian value: UInt128) {
#if arch(i386) || arch(x86_64) || arch(arm) || arch(arm64)
self = value.byteSwapped
#else
self = value
#endif
}
/// Creates an integer from its little-endian representation, changing the
/// byte order if necessary.
public init(littleEndian value: UInt128) {
#if arch(i386) || arch(x86_64) || arch(arm) || arch(arm64)
self = value
#else
self = value.byteSwapped
#endif
}
// MARK: Instance Methods
public func addingReportingOverflow(_ rhs: UInt128) -> (partialValue: UInt128, overflow: Bool) {
var resultOverflow = false
let (lowerBits, lowerOverflow) = self.value.lowerBits.addingReportingOverflow(rhs.value.lowerBits)
var (upperBits, upperOverflow) = self.value.upperBits.addingReportingOverflow(rhs.value.upperBits)
// If the lower bits overflowed, we need to add 1 to upper bits.
if lowerOverflow {
(upperBits, resultOverflow) = upperBits.addingReportingOverflow(1)
}
return (partialValue: UInt128(upperBits: upperBits, lowerBits: lowerBits),
overflow: upperOverflow || resultOverflow)
}
public func subtractingReportingOverflow(_ rhs: UInt128) -> (partialValue: UInt128, overflow: Bool) {
var resultOverflow = false
let (lowerBits, lowerOverflow) = self.value.lowerBits.subtractingReportingOverflow(rhs.value.lowerBits)
var (upperBits, upperOverflow) = self.value.upperBits.subtractingReportingOverflow(rhs.value.upperBits)
// If the lower bits overflowed, we need to subtract (borrow) 1 from the upper bits.
if lowerOverflow {
(upperBits, resultOverflow) = upperBits.subtractingReportingOverflow(1)
}
return (partialValue: UInt128(upperBits: upperBits, lowerBits: lowerBits),
overflow: upperOverflow || resultOverflow)
}
public func multipliedReportingOverflow(by rhs: UInt128) -> (partialValue: UInt128, overflow: Bool) {
let multiplicationResult = self.multipliedFullWidth(by: rhs)
let overflowEncountered = multiplicationResult.high > 0
return (partialValue: multiplicationResult.low,
overflow: overflowEncountered)
}
public func multipliedFullWidth(by other: UInt128) -> (high: UInt128, low: UInt128.Magnitude) {
// Bit mask that facilitates masking the lower 32 bits of a 64 bit UInt.
let lower32 = UInt64(UInt32.max)
// Decompose lhs into an array of 4, 32 significant bit UInt64s.
let lhsArray = [
self.value.upperBits >> 32, /*0*/ self.value.upperBits & lower32, /*1*/
self.value.lowerBits >> 32, /*2*/ self.value.lowerBits & lower32 /*3*/
]
// Decompose rhs into an array of 4, 32 significant bit UInt64s.
let rhsArray = [
other.value.upperBits >> 32, /*0*/ other.value.upperBits & lower32, /*1*/
other.value.lowerBits >> 32, /*2*/ other.value.lowerBits & lower32 /*3*/
]
// The future contents of this array will be used to store segment
// multiplication results.
var resultArray = [[UInt64]].init(
repeating: [UInt64].init(repeating: 0, count: 4), count: 4
)
// Loop through every combination of lhsArray[x] * rhsArray[y]
for rhsSegment in 0 ..< rhsArray.count {
for lhsSegment in 0 ..< lhsArray.count {
let currentValue = lhsArray[lhsSegment] * rhsArray[rhsSegment]
resultArray[lhsSegment][rhsSegment] = currentValue
}
}
// Perform multiplication similar to pen and paper in 64bit, 32bit masked increments.
let bitSegment8 = resultArray[3][3] & lower32
let bitSegment7 = UInt128._variadicAdditionWithOverflowCount(
resultArray[2][3] & lower32,
resultArray[3][2] & lower32,
resultArray[3][3] >> 32) // overflow from bitSegment8
let bitSegment6 = UInt128._variadicAdditionWithOverflowCount(
resultArray[1][3] & lower32,
resultArray[2][2] & lower32,
resultArray[3][1] & lower32,
resultArray[2][3] >> 32, // overflow from bitSegment7
resultArray[3][2] >> 32, // overflow from bitSegment7
bitSegment7.overflowCount)
let bitSegment5 = UInt128._variadicAdditionWithOverflowCount(
resultArray[0][3] & lower32,
resultArray[1][2] & lower32,
resultArray[2][1] & lower32,
resultArray[3][0] & lower32,
resultArray[1][3] >> 32, // overflow from bitSegment6
resultArray[2][2] >> 32, // overflow from bitSegment6
resultArray[3][1] >> 32, // overflow from bitSegment6
bitSegment6.overflowCount)
let bitSegment4 = UInt128._variadicAdditionWithOverflowCount(
resultArray[0][2] & lower32,
resultArray[1][1] & lower32,
resultArray[2][0] & lower32,
resultArray[0][3] >> 32, // overflow from bitSegment5
resultArray[1][2] >> 32, // overflow from bitSegment5
resultArray[2][1] >> 32, // overflow from bitSegment5
resultArray[3][0] >> 32, // overflow from bitSegment5
bitSegment5.overflowCount)
let bitSegment3 = UInt128._variadicAdditionWithOverflowCount(
resultArray[0][1] & lower32,
resultArray[1][0] & lower32,
resultArray[0][2] >> 32, // overflow from bitSegment4
resultArray[1][1] >> 32, // overflow from bitSegment4
resultArray[2][0] >> 32, // overflow from bitSegment4
bitSegment4.overflowCount)
let bitSegment1 = UInt128._variadicAdditionWithOverflowCount(
resultArray[0][0],
resultArray[0][1] >> 32, // overflow from bitSegment3
resultArray[1][0] >> 32, // overflow from bitSegment3
bitSegment3.overflowCount)
// Shift and merge the results into 64 bit groups, adding in overflows as we go.
let lowerLowerBits = UInt128._variadicAdditionWithOverflowCount(
bitSegment8,
bitSegment7.truncatedValue << 32)
let upperLowerBits = UInt128._variadicAdditionWithOverflowCount(
bitSegment7.truncatedValue >> 32,
bitSegment6.truncatedValue,
bitSegment5.truncatedValue << 32,
lowerLowerBits.overflowCount)
let lowerUpperBits = UInt128._variadicAdditionWithOverflowCount(
bitSegment5.truncatedValue >> 32,
bitSegment4.truncatedValue,
bitSegment3.truncatedValue << 32,
upperLowerBits.overflowCount)
let upperUpperBits = UInt128._variadicAdditionWithOverflowCount(
bitSegment3.truncatedValue >> 32,
bitSegment1.truncatedValue,
lowerUpperBits.overflowCount)
// Bring the 64bit unsigned integer results together into a high and low 128bit unsigned integer result.
return (high: UInt128(upperBits: upperUpperBits.truncatedValue, lowerBits: lowerUpperBits.truncatedValue),
low: UInt128(upperBits: upperLowerBits.truncatedValue, lowerBits: lowerLowerBits.truncatedValue))
}
/// Takes a variable amount of 64bit Unsigned Integers and adds them together,
/// tracking the total amount of overflows that occurred during addition.
///
/// - Parameter addends:
/// Variably sized list of UInt64 values.
/// - Returns:
/// A tuple containing the truncated result and a count of the total
/// amount of overflows that occurred during addition.
private static func _variadicAdditionWithOverflowCount(_ addends: UInt64...) -> (truncatedValue: UInt64, overflowCount: UInt64) {
var sum: UInt64 = 0
var overflowCount: UInt64 = 0
addends.forEach { addend in
let interimSum = sum.addingReportingOverflow(addend)
if interimSum.overflow {
overflowCount += 1
}
sum = interimSum.partialValue
}
return (truncatedValue: sum, overflowCount: overflowCount)
}
public func dividedReportingOverflow(by rhs: UInt128) -> (partialValue: UInt128, overflow: Bool) {
guard rhs != 0 else {
return (self, true)
}
let quotient = self.quotientAndRemainder(dividingBy: rhs).quotient
return (quotient, false)
}
public func dividingFullWidth(_ dividend: (high: UInt128, low: UInt128)) -> (quotient: UInt128, remainder: UInt128) {
return self._quotientAndRemainderFullWidth(dividingBy: dividend)
}
public func remainderReportingOverflow(dividingBy rhs: UInt128) -> (partialValue: UInt128, overflow: Bool) {
guard rhs != 0 else {
return (self, true)
}
let remainder = self.quotientAndRemainder(dividingBy: rhs).remainder
return (remainder, false)
}
public func quotientAndRemainder(dividingBy rhs: UInt128) -> (quotient: UInt128, remainder: UInt128) {
return rhs._quotientAndRemainderFullWidth(dividingBy: (high: 0, low: self))
}
/// Provides the quotient and remainder when dividing the provided value by self.
internal func _quotientAndRemainderFullWidth(dividingBy dividend: (high: UInt128, low: UInt128)) -> (quotient: UInt128, remainder: UInt128) {
let divisor = self
let numeratorBitsToWalk: UInt128
if dividend.high > 0 {
numeratorBitsToWalk = dividend.high.significantBits + 128 - 1
} else if dividend.low == 0 {
return (0, 0)
} else {
numeratorBitsToWalk = dividend.low.significantBits - 1
}
// The below algorithm was adapted from:
// path_to_url#Integer_division_.28unsigned.29_with_remainder
precondition(self != 0, "Division by 0")
var quotient = UInt128.min
var remainder = UInt128.min
for numeratorShiftWidth in (0...numeratorBitsToWalk).reversed() {
remainder <<= 1
remainder |= UInt128._bitFromDoubleWidth(at: numeratorShiftWidth, for: dividend)
if remainder >= divisor {
remainder -= divisor
quotient |= 1 << numeratorShiftWidth
}
}
return (quotient, remainder)
}
/// Returns the bit stored at the given position for the provided double width UInt128 input.
///
/// - parameter at: position to grab bit value from.
/// - parameter for: the double width UInt128 data value to grab the
/// bit from.
/// - returns: single bit stored in a UInt128 value.
internal static func _bitFromDoubleWidth(at bitPosition: UInt128, for input: (high: UInt128, low: UInt128)) -> UInt128 {
switch bitPosition {
case 0:
return input.low & 1
case 1...127:
return input.low >> bitPosition & 1
case 128:
return input.high & 1
default:
return input.high >> (bitPosition - 128) & 1
}
}
}
// MARK: - BinaryInteger Conformance
extension UInt128 : BinaryInteger {
// MARK: Instance Properties
public var bitWidth : Int { return 128 }
// MARK: Instance Methods
public var words: [UInt] {
guard self != UInt128.min else {
return []
}
var words: [UInt] = []
for currentWord in 0 ... self.bitWidth / UInt.bitWidth {
let shiftAmount: UInt64 = UInt64(UInt.bitWidth) * UInt64(currentWord)
let mask = UInt64(UInt.max)
var shifted = self
if shiftAmount > 0 {
shifted &>>= UInt128(upperBits: 0, lowerBits: shiftAmount)
}
let masked: UInt128 = shifted & UInt128(upperBits: 0, lowerBits: mask)
words.append(UInt(masked.value.lowerBits))
}
return words
}
public var trailingZeroBitCount: Int {
let mask: UInt128 = 1
var bitsToWalk = self
for currentPosition in 0...128 {
if bitsToWalk & mask == 1 {
return currentPosition
}
bitsToWalk >>= 1
}
return 128
}
// MARK: Initializers
public init?<T : BinaryFloatingPoint>(exactly source: T) {
if source.isZero {
self = UInt128()
}
else if source.exponent < 0 || source.rounded() != source {
return nil
}
else {
self = UInt128(UInt64(source))
}
}
public init<T : BinaryFloatingPoint>(_ source: T) {
self.init(UInt64(source))
}
// MARK: Type Methods
public static func /(_ lhs: UInt128, _ rhs: UInt128) -> UInt128 {
let result = lhs.dividedReportingOverflow(by: rhs)
return result.partialValue
}
public static func /=(_ lhs: inout UInt128, _ rhs: UInt128) {
lhs = lhs / rhs
}
public static func %(_ lhs: UInt128, _ rhs: UInt128) -> UInt128 {
let result = lhs.remainderReportingOverflow(dividingBy: rhs)
return result.partialValue
}
public static func %=(_ lhs: inout UInt128, _ rhs: UInt128) {
lhs = lhs % rhs
}
/// Performs a bitwise AND operation on 2 UInt128 data types.
public static func &=(_ lhs: inout UInt128, _ rhs: UInt128) {
let upperBits = lhs.value.upperBits & rhs.value.upperBits
let lowerBits = lhs.value.lowerBits & rhs.value.lowerBits
lhs = UInt128(upperBits: upperBits, lowerBits: lowerBits)
}
/// Performs a bitwise OR operation on 2 UInt128 data types.
public static func |=(_ lhs: inout UInt128, _ rhs: UInt128) {
let upperBits = lhs.value.upperBits | rhs.value.upperBits
let lowerBits = lhs.value.lowerBits | rhs.value.lowerBits
lhs = UInt128(upperBits: upperBits, lowerBits: lowerBits)
}
/// Performs a bitwise XOR operation on 2 UInt128 data types.
public static func ^=(_ lhs: inout UInt128, _ rhs: UInt128) {
let upperBits = lhs.value.upperBits ^ rhs.value.upperBits
let lowerBits = lhs.value.lowerBits ^ rhs.value.lowerBits
lhs = UInt128(upperBits: upperBits, lowerBits: lowerBits)
}
/// Perform a masked right SHIFT operation self.
///
/// The masking operation will mask `rhs` against the highest
/// shift value that will not cause an overflowing shift before
/// performing the shift. IE: `rhs = 128` will become `rhs = 0`
/// and `rhs = 129` will become `rhs = 1`.
public static func &>>=(_ lhs: inout UInt128, _ rhs: UInt128) {
let shiftWidth = rhs.value.lowerBits & 127
switch shiftWidth {
case 0: return // Do nothing shift.
case 1...63:
let upperBits = lhs.value.upperBits >> shiftWidth
let lowerBits = (lhs.value.lowerBits >> shiftWidth) + (lhs.value.upperBits << (64 - shiftWidth))
lhs = UInt128(upperBits: upperBits, lowerBits: lowerBits)
case 64:
// Shift 64 means move upper bits to lower bits.
lhs = UInt128(upperBits: 0, lowerBits: lhs.value.upperBits)
default:
let lowerBits = lhs.value.upperBits >> (shiftWidth - 64)
lhs = UInt128(upperBits: 0, lowerBits: lowerBits)
}
}
/// Perform a masked left SHIFT operation on self.
///
/// The masking operation will mask `rhs` against the highest
/// shift value that will not cause an overflowing shift before
/// performing the shift. IE: `rhs = 128` will become `rhs = 0`
/// and `rhs = 129` will become `rhs = 1`.
public static func &<<=(_ lhs: inout UInt128, _ rhs: UInt128) {
let shiftWidth = rhs.value.lowerBits & 127
switch shiftWidth {
case 0: return // Do nothing shift.
case 1...63:
let upperBits = (lhs.value.upperBits << shiftWidth) + (lhs.value.lowerBits >> (64 - shiftWidth))
let lowerBits = lhs.value.lowerBits << shiftWidth
lhs = UInt128(upperBits: upperBits, lowerBits: lowerBits)
case 64:
// Shift 64 means move lower bits to upper bits.
lhs = UInt128(upperBits: lhs.value.lowerBits, lowerBits: 0)
default:
let upperBits = lhs.value.lowerBits << (shiftWidth - 64)
lhs = UInt128(upperBits: upperBits, lowerBits: 0)
}
}
}
// MARK: - UnsignedInteger Conformance
extension UInt128 : UnsignedInteger {}
// MARK: - Hashable Conformance
extension UInt128 : Hashable {
public func hash(into hasher: inout Hasher) {
hasher.combine(self.value.lowerBits)
hasher.combine(self.value.upperBits)
}
}
// MARK: - Numeric Conformance
extension UInt128 : Numeric {
public static func +(_ lhs: UInt128, _ rhs: UInt128) -> UInt128 {
precondition(~lhs >= rhs, "Addition overflow!")
let result = lhs.addingReportingOverflow(rhs)
return result.partialValue
}
public static func +=(_ lhs: inout UInt128, _ rhs: UInt128) {
lhs = lhs + rhs
}
public static func -(_ lhs: UInt128, _ rhs: UInt128) -> UInt128 {
precondition(lhs >= rhs, "Integer underflow")
let result = lhs.subtractingReportingOverflow(rhs)
return result.partialValue
}
public static func -=(_ lhs: inout UInt128, _ rhs: UInt128) {
lhs = lhs - rhs
}
public static func *(_ lhs: UInt128, _ rhs: UInt128) -> UInt128 {
let result = lhs.multipliedReportingOverflow(by: rhs)
precondition(!result.overflow, "Multiplication overflow!")
return result.partialValue
}
public static func *=(_ lhs: inout UInt128, _ rhs: UInt128) {
lhs = lhs * rhs
}
}
// MARK: - Equatable Conformance
extension UInt128 : Equatable {
/// Checks if the `lhs` is equal to the `rhs`.
public static func ==(lhs: UInt128, rhs: UInt128) -> Bool {
if lhs.value.lowerBits == rhs.value.lowerBits && lhs.value.upperBits == rhs.value.upperBits {
return true
}
return false
}
}
// MARK: - ExpressibleByIntegerLiteral Conformance
extension UInt128 : ExpressibleByIntegerLiteral {
public init(integerLiteral value: IntegerLiteralType) {
self.init(upperBits: 0, lowerBits: UInt64(value))
}
}
// MARK: - CustomStringConvertible Conformance
extension UInt128 : CustomStringConvertible {
// MARK: Instance Properties
public var description: String {
return self._valueToString()
}
// MARK: Instance Methods
/// Converts the stored value into a string representation.
/// - parameter radix:
/// The radix for the base numbering system you wish to have
/// the type presented in.
/// - parameter uppercase:
/// Determines whether letter components of the outputted string will be in
/// uppercase format or not.
/// - returns:
/// String representation of the stored UInt128 value.
internal func _valueToString(radix: Int = 10, uppercase: Bool = true) -> String {
precondition(radix > 1 && radix < 37, "radix must be within the range of 2-36.")
// Will store the final string result.
var result = String()
// Simple case.
if self == 0 {
result.append("0")
return result
}
// Used as the check for indexing through UInt128 for string interpolation.
var divmodResult = (quotient: self, remainder: UInt128(0))
// Will hold the pool of possible values.
let characterPool = (uppercase) ? "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" : "0123456789abcdefghijklmnopqrstuvwxyz"
// Go through internal value until every base position is string(ed).
repeat {
divmodResult = divmodResult.quotient.quotientAndRemainder(dividingBy: UInt128(radix))
let index = characterPool.index(characterPool.startIndex, offsetBy: Int(divmodResult.remainder))
result.insert(characterPool[index], at: result.startIndex)
} while divmodResult.quotient > 0
return result
}
}
// MARK: - CustomDebugStringConvertible Conformance
extension UInt128 : CustomDebugStringConvertible {
public var debugDescription: String {
return self.description
}
}
// MARK: - Comparable Conformance
extension UInt128 : Comparable {
public static func <(lhs: UInt128, rhs: UInt128) -> Bool {
if lhs.value.upperBits < rhs.value.upperBits {
return true
} else if lhs.value.upperBits == rhs.value.upperBits && lhs.value.lowerBits < rhs.value.lowerBits {
return true
}
return false
}
}
// MARK: - ExpressibleByStringLiteral Conformance
extension UInt128 : ExpressibleByStringLiteral {
// MARK: Initializers
public init(stringLiteral value: StringLiteralType) {
self.init()
if let result = UInt128._valueFromString(value) {
self = result
}
}
// MARK: Type Methods
internal static func _valueFromString(_ value: String) -> UInt128? {
let radix = UInt128._determineRadixFromString(value)
let inputString = radix == 10 ? value : String(value.dropFirst(2))
return UInt128(inputString, radix: radix)
}
internal static func _determineRadixFromString(_ string: String) -> Int {
let radix: Int
if string.hasPrefix("0b") { radix = 2 }
else if string.hasPrefix("0o") { radix = 8 }
else if string.hasPrefix("0x") { radix = 16 }
else { radix = 10 }
return radix
}
}
// MARK: - Deprecated API
extension UInt128 {
/// Initialize a UInt128 value from a string.
///
/// - parameter source: the string that will be converted into a
/// UInt128 value. Defaults to being analyzed as a base10 number,
/// but can be prefixed with `0b` for base2, `0o` for base8
/// or `0x` for base16.
@available(swift, deprecated: 3.2, renamed: "init(_:)")
public static func fromUnparsedString(_ source: String) throws -> UInt128 {
return try UInt128.init(source)
}
}
// MARK: - BinaryFloatingPoint Interworking
extension BinaryFloatingPoint {
public init(_ value: UInt128) {
precondition(value.value.upperBits == 0, "Value is too large to fit into a BinaryFloatingPoint until a 128bit BinaryFloatingPoint type is defined.")
self.init(value.value.lowerBits)
}
public init?(exactly value: UInt128) {
if value.value.upperBits > 0 {
return nil
}
self = Self(value.value.lowerBits)
}
}
// MARK: - String Interworking
extension String {
/// Creates a string representing the given value in base 10, or some other
/// specified base.
///
/// - Parameters:
/// - value: The UInt128 value to convert to a string.
/// - radix: The base to use for the string representation. `radix` must be
/// at least 2 and at most 36. The default is 10.
/// - uppercase: Pass `true` to use uppercase letters to represent numerals
/// or `false` to use lowercase letters. The default is `false`.
public init(_ value: UInt128, radix: Int = 10, uppercase: Bool = false) {
self = value._valueToString(radix: radix, uppercase: uppercase)
}
}
```
|
/content/code_sandbox/src/Utils/UInt128.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 6,962
|
```swift
import Foundation
/// This is just a wrapper as a work around since there is no way to change a passed-in value in a block.
open class Box<T> {
/// The underlying value.
open var value: T
/**
Init the `Box`.
- parameter value: The variable to be wrapped in.
*/
init(_ value: T) {
self.value = value
}
}
/// Atomic provides thread-safety to access a variable.
open class Atomic<T> {
fileprivate var _value: Box<T>
fileprivate let semaphore: DispatchSemaphore = DispatchSemaphore(value: 1)
/// The thread-safe variable.
open var value: T {
get {
return withLock {
return self._value.value
}
}
set {
withLock {
self._value = Box(newValue)
}
}
}
/**
Init the `Atomic` to access the variable in a thread-safe way.
- parameter value: The variable needs to be thread-safe.
*/
public init(_ value: T) {
self._value = Box(value)
}
/**
The provides a scheme to access and change the underlying variable in a block.
The variable can be accessed with `Box<T>.value` as:
```
let atomic = Atomic([1,2,3])
atomic.withBox { array in
array.value.append(4)
return array.value.reduce(0, combine: +)
}
```
- parameter block: The code to run with the variable wrapped in a `Box`.
- returns: Any value returned by the block.
*/
open func withBox<U>(_ block: (Box<T>) -> (U)) -> U {
return withLock {
return block(self._value)
}
}
fileprivate func withLock<U>(_ block: () -> (U)) -> U {
_ = semaphore.wait(timeout: DispatchTime.distantFuture)
defer {
semaphore.signal()
}
return block()
}
}
```
|
/content/code_sandbox/src/Utils/Atomic.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 426
|
```swift
import Foundation
class QueueFactory {
private static let queueKey = DispatchSpecificKey<String>()
static let queue: DispatchQueue = {
let q = DispatchQueue(label: "NEKit.ProcessingQueue")
q.setSpecific(key: QueueFactory.queueKey, value: "NEKit.ProcessingQueue")
return q
}()
static func getQueue() -> DispatchQueue {
return QueueFactory.queue
}
static func onQueue() -> Bool {
return DispatchQueue.getSpecific(key: QueueFactory.queueKey) == "NEKit.ProcessingQueue"
}
static func executeOnQueueSynchronizedly<T>(block: () throws -> T ) rethrows -> T {
if onQueue() {
return try block()
} else {
return try getQueue().sync {
return try block()
}
}
}
}
```
|
/content/code_sandbox/src/Tunnel/QueueFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 175
|
```swift
import Foundation
import Resolver
protocol TunnelDelegate : class {
func tunnelDidClose(_ tunnel: Tunnel)
}
/// The tunnel forwards data between local and remote.
public class Tunnel: NSObject, SocketDelegate {
/// The status of `Tunnel`.
public enum TunnelStatus: CustomStringConvertible {
case invalid, readingRequest, waitingToBeReady, forwarding, closing, closed
public var description: String {
switch self {
case .invalid:
return "invalid"
case .readingRequest:
return "reading request"
case .waitingToBeReady:
return "waiting to be ready"
case .forwarding:
return "forwarding"
case .closing:
return "closing"
case .closed:
return "closed"
}
}
}
/// The proxy socket.
var proxySocket: ProxySocket
/// The adapter socket connecting to remote.
var adapterSocket: AdapterSocket?
/// The delegate instance.
weak var delegate: TunnelDelegate?
var observer: Observer<TunnelEvent>?
/// Indicating how many socket is ready to forward data.
private var readySignal = 0
/// If the tunnel is closed, i.e., proxy socket and adapter socket are both disconnected.
var isClosed: Bool {
return proxySocket.isDisconnected && (adapterSocket?.isDisconnected ?? true)
}
fileprivate var _cancelled: Bool = false
fileprivate var _stopForwarding = false
public var isCancelled: Bool {
return _cancelled
}
fileprivate var _status: TunnelStatus = .invalid
public var status: TunnelStatus {
return _status
}
public var statusDescription: String {
return status.description
}
override public var description: String {
if let adapterSocket = adapterSocket {
return "<Tunnel proxySocket:\(proxySocket) adapterSocket:\(adapterSocket)>"
} else {
return "<Tunnel proxySocket:\(proxySocket)>"
}
}
init(proxySocket: ProxySocket) {
self.proxySocket = proxySocket
super.init()
self.proxySocket.delegate = self
self.observer = ObserverFactory.currentFactory?.getObserverForTunnel(self)
}
/**
Start running the tunnel.
*/
func openTunnel() {
guard !self.isCancelled else {
return
}
self.proxySocket.openSocket()
self._status = .readingRequest
self.observer?.signal(.opened(self))
}
/**
Close the tunnel elegantly.
*/
func close() {
observer?.signal(.closeCalled(self))
guard !self.isCancelled else {
return
}
self._cancelled = true
self._status = .closing
if !self.proxySocket.isDisconnected {
self.proxySocket.disconnect()
}
if let adapterSocket = self.adapterSocket {
if !adapterSocket.isDisconnected {
adapterSocket.disconnect()
}
}
}
/// Close the tunnel immediately.
///
/// - note: This method is thread-safe.
func forceClose() {
observer?.signal(.forceCloseCalled(self))
guard !self.isCancelled else {
return
}
self._cancelled = true
self._status = .closing
self._stopForwarding = true
if !self.proxySocket.isDisconnected {
self.proxySocket.forceDisconnect()
}
if let adapterSocket = self.adapterSocket {
if !adapterSocket.isDisconnected {
adapterSocket.forceDisconnect()
}
}
}
public func didReceive(session: ConnectSession, from: ProxySocket) {
guard !isCancelled else {
return
}
_status = .waitingToBeReady
observer?.signal(.receivedRequest(session, from: from, on: self))
if !session.isIP() {
_ = Resolver.resolve(hostname: session.host, timeout: Opt.DNSTimeout) { [weak self] resolver, err in
QueueFactory.getQueue().async {
if err != nil {
session.ipAddress = ""
} else {
session.ipAddress = (resolver?.ipv4Result.first)!
}
self?.openAdapter(for: session)
}
}
} else {
session.ipAddress = session.host
openAdapter(for: session)
}
}
fileprivate func openAdapter(for session: ConnectSession) {
guard !isCancelled else {
return
}
let manager = RuleManager.currentManager
let factory = manager.match(session)!
adapterSocket = factory.getAdapterFor(session: session)
adapterSocket!.delegate = self
adapterSocket!.openSocketWith(session: session)
}
public func didBecomeReadyToForwardWith(socket: SocketProtocol) {
guard !isCancelled else {
return
}
readySignal += 1
observer?.signal(.receivedReadySignal(socket, currentReady: readySignal, on: self))
defer {
if let socket = socket as? AdapterSocket {
proxySocket.respondTo(adapter: socket)
}
}
if readySignal == 2 {
_status = .forwarding
proxySocket.readData()
adapterSocket?.readData()
}
}
public func didDisconnectWith(socket: SocketProtocol) {
if !isCancelled {
_stopForwarding = true
close()
}
checkStatus()
}
public func didRead(data: Data, from socket: SocketProtocol) {
if let socket = socket as? ProxySocket {
observer?.signal(.proxySocketReadData(data, from: socket, on: self))
guard !isCancelled else {
return
}
adapterSocket!.write(data: data)
} else if let socket = socket as? AdapterSocket {
observer?.signal(.adapterSocketReadData(data, from: socket, on: self))
guard !isCancelled else {
return
}
proxySocket.write(data: data)
}
}
public func didWrite(data: Data?, by socket: SocketProtocol) {
if let socket = socket as? ProxySocket {
observer?.signal(.proxySocketWroteData(data, by: socket, on: self))
guard !isCancelled else {
return
}
QueueFactory.getQueue().asyncAfter(deadline: DispatchTime.now() + DispatchTimeInterval.microseconds(Opt.forwardReadInterval)) { [weak self] in
self?.adapterSocket?.readData()
}
} else if let socket = socket as? AdapterSocket {
observer?.signal(.adapterSocketWroteData(data, by: socket, on: self))
guard !isCancelled else {
return
}
proxySocket.readData()
}
}
public func didConnectWith(adapterSocket: AdapterSocket) {
guard !isCancelled else {
return
}
observer?.signal(.connectedToRemote(adapterSocket, on: self))
}
public func updateAdapterWith(newAdapter: AdapterSocket) {
guard !isCancelled else {
return
}
observer?.signal(.updatingAdapterSocket(from: adapterSocket!, to: newAdapter, on: self))
adapterSocket = newAdapter
adapterSocket?.delegate = self
}
fileprivate func checkStatus() {
if isClosed {
_status = .closed
observer?.signal(.closed(self))
delegate?.tunnelDidClose(self)
delegate = nil
}
}
}
```
|
/content/code_sandbox/src/Tunnel/Tunnel.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,616
|
```swift
import Foundation
import tun2socks
import CocoaLumberjackSwift
/// This class wraps around tun2socks to build a TCP only IP stack.
open class TCPStack: TSIPStackDelegate, IPStackProtocol {
/// The `TCPStack` singleton instance.
public static var stack: TCPStack {
TSIPStack.stack.delegate = _stack
TSIPStack.stack.processQueue = QueueFactory.getQueue()
return _stack
}
fileprivate static let _stack: TCPStack = TCPStack()
/// The proxy server that handles connections accepted from this stack.
///
/// - warning: This must be set before `TCPStack` is registered to `TUNInterface`.
open weak var proxyServer: ProxyServer?
/// This is set automatically when the stack is registered to some interface.
open var outputFunc: (([Data], [NSNumber]) -> Void)! {
get {
return TSIPStack.stack.outputBlock
}
set {
TSIPStack.stack.outputBlock = newValue
}
}
/**
Inistailize a new TCP stack.
*/
fileprivate init() {
}
/**
Input a packet into the stack.
- note: Only process IPv4 TCP packet as of now, since stable lwip does not support ipv6 yet.
- parameter packet: The IP packet.
- parameter version: The version of the IP packet, i.e., AF_INET, AF_INET6.
- returns: If the stack takes in this packet. If the packet is taken in, then it won't be processed by other IP stacks.
*/
open func input(packet: Data, version: NSNumber?) -> Bool {
if let version = version {
// we do not process IPv6 packets now
if version.int32Value == AF_INET6 {
return false
}
}
if IPPacket.peekProtocol(packet) == .tcp {
TSIPStack.stack.received(packet: packet)
return true
}
return false
}
public func start() {
TSIPStack.stack.resumeTimer()
}
/**
Stop the TCP stack.
After calling this, this stack should never be referenced. Use `TCPStack.stack` to get a new reference of the singleton.
*/
open func stop() {
TSIPStack.stack.delegate = nil
TSIPStack.stack.suspendTimer()
proxyServer = nil
}
// MARK: TSIPStackDelegate Implementation
open func didAcceptTCPSocket(_ sock: TSTCPSocket) {
DDLogDebug("Accepted a new socket from IP stack.")
let tunSocket = TUNTCPSocket(socket: sock)
let proxySocket = DirectProxySocket(socket: tunSocket)
self.proxyServer!.didAcceptNewSocket(proxySocket)
}
}
```
|
/content/code_sandbox/src/IPStack/TCPStack.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 606
|
```swift
import Foundation
import NetworkExtension
/// TUN interface provide a scheme to register a set of IP Stacks (implementing `IPStackProtocol`) to process IP packets from a virtual TUN interface.
open class TUNInterface {
fileprivate weak var packetFlow: NEPacketTunnelFlow?
fileprivate var stacks: [IPStackProtocol] = []
/**
Initialize TUN interface with a packet flow.
- parameter packetFlow: The packet flow to work with.
*/
public init(packetFlow: NEPacketTunnelFlow) {
self.packetFlow = packetFlow
}
/**
Start processing packets, this should be called after registering all IP stacks.
A stopped interface should never start again. Create a new interface instead.
*/
open func start() {
QueueFactory.executeOnQueueSynchronizedly {
for stack in self.stacks {
stack.start()
}
self.readPackets()
}
}
/**
Stop processing packets, this should be called before releasing the interface.
*/
open func stop() {
QueueFactory.executeOnQueueSynchronizedly {
self.packetFlow = nil
for stack in self.stacks {
stack.stop()
}
self.stacks = []
}
}
/**
Register a new IP stack.
When a packet is read from TUN interface (the packet flow), it is passed into each IP stack according to the registration order until one of them takes it in.
- parameter stack: The IP stack to append to the stack list.
*/
open func register(stack: IPStackProtocol) {
QueueFactory.executeOnQueueSynchronizedly {
stack.outputFunc = self.generateOutputBlock()
self.stacks.append(stack)
}
}
fileprivate func readPackets() {
packetFlow?.readPackets { packets, versions in
QueueFactory.getQueue().async {
for (i, packet) in packets.enumerated() {
for stack in self.stacks {
if stack.input(packet: packet, version: versions[i]) {
break
}
}
}
}
self.readPackets()
}
}
fileprivate func generateOutputBlock() -> ([Data], [NSNumber]) -> Void {
return { [weak self] packets, versions in
self?.packetFlow?.writePackets(packets, withProtocols: versions)
}
}
}
```
|
/content/code_sandbox/src/IPStack/TUNInterface.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 514
|
```swift
import Foundation
/// The protocol defines an IP stack.
public protocol IPStackProtocol: class {
/**
Input a packet into the stack.
- parameter packet: The IP packet.
- parameter version: The version of the IP packet, i.e., AF_INET, AF_INET6.
- returns: If the stack takes in this packet. If the packet is taken in, then it won't be processed by other IP stacks.
*/
func input(packet: Data, version: NSNumber?) -> Bool
/// This is called when this stack decided to output some IP packet. This is set automatically when the stack is registered to some interface.
///
/// The parameter is the safe as the `inputPacket`.
///
/// - note: This block is thread-safe.
var outputFunc: (([Data], [NSNumber]) -> Void)! { get set }
func start()
/**
Stop the stack from running.
This is called when the interface this stack is registered to stop to processing packets and will be released soon.
*/
func stop()
}
extension IPStackProtocol {
public func stop() {}
}
```
|
/content/code_sandbox/src/IPStack/IPStackProtocol.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 238
|
```swift
import Foundation
import CocoaLumberjackSwift
public class Router {
var IPv4NATRoutes: [Port: (IPv4Address, Port)] = [:]
let interfaceIP: IPv4Address
let fakeSourceIP: IPv4Address
let proxyServerIP: IPv4Address
let proxyServerPort: Port
// let IPv6NATRoutes: [UInt16] = []
public init(interfaceIP: String, fakeSourceIP: String, proxyServerIP: String, proxyServerPort: UInt16) {
self.interfaceIP = IPv4Address(fromString: interfaceIP)
self.fakeSourceIP = IPv4Address(fromString: fakeSourceIP)
self.proxyServerIP = IPv4Address(fromString: proxyServerIP)
self.proxyServerPort = Port(port: proxyServerPort)
}
public func rewritePacket(packet: IPMutablePacket) -> IPMutablePacket? {
// Support only TCP as for now
guard packet.proto == .TCP else {
return nil
}
guard let packet = packet as? TCPMutablePacket else {
return nil
}
if packet.sourceAddress == interfaceIP {
if packet.sourcePort == proxyServerPort {
guard let (address, port) = IPv4NATRoutes[packet.destinationPort] else {
DDLogError("Does not know how to handle packet: \(packet) because can't find entry in NAT table.")
return nil
}
packet.sourcePort = port
packet.sourceAddress = address
packet.destinationAddress = interfaceIP
return packet
} else {
IPv4NATRoutes[packet.sourcePort] = (packet.destinationAddress, packet.destinationPort)
packet.sourceAddress = fakeSourceIP
packet.destinationAddress = proxyServerIP
packet.destinationPort = proxyServerPort
return packet
}
} else {
DDLogError("Does not know how to handle packet.")
return nil
}
}
public func startProcessPacket() {
readAndProcessPackets()
}
func readAndProcessPackets() {
NetworkInterface.TunnelProvider.packetFlow.readPacketsWithCompletionHandler() {
var outputPackets = [IPMutablePacket]()
let packets = $0.0.map { data in
IPMutablePacket(payload: data)
}.filter { packet in
packet.version == .IPv4 && packet.proto == .TCP
}.map {
TCPMutablePacket(payload: $0.payload)
}
for packet in packets {
DDLogVerbose("Received packet of type: \(packet.proto) from \(packet.sourceAddress) to \(packet.destinationAddress)")
if let packet = self.rewritePacket(packet) {
outputPackets.append(packet)
} else {
DDLogVerbose("Failed to rewrite packet \(packet)")
}
}
let outputData = outputPackets.map { packet in
packet.payload
}
if outputData.count > 0 {
DDLogVerbose("Write out \(outputData.count) packets.")
NetworkInterface.TunnelProvider.packetFlow.writePackets(outputData, withProtocols: Array<NSNumber>(count: outputData.count, repeatedValue: Int(AF_INET)))
}
self.readAndProcessPackets()
}
}
}
```
|
/content/code_sandbox/src/IPStack/Router.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 692
|
```swift
import Foundation
struct ConnectInfo {
let sourceAddress: IPAddress
let sourcePort: Port
let destinationAddress: IPAddress
let destinationPort: Port
}
extension ConnectInfo: Hashable {}
func == (left: ConnectInfo, right: ConnectInfo) -> Bool {
return left.destinationAddress == right.destinationAddress &&
left.destinationPort == right.destinationPort &&
left.sourceAddress == right.sourceAddress &&
left.sourcePort == right.sourcePort
}
/// This stack tranmits UDP packets directly.
public class UDPDirectStack: IPStackProtocol, NWUDPSocketDelegate {
fileprivate var activeSockets: [ConnectInfo: NWUDPSocket] = [:]
public var outputFunc: (([Data], [NSNumber]) -> Void)!
fileprivate let queue: DispatchQueue = DispatchQueue(label: "NEKit.UDPDirectStack.SocketArrayQueue", attributes: [])
public init() {}
/**
Input a packet into the stack.
- note: Only process IPv4 UDP packet as of now.
- parameter packet: The IP packet.
- parameter version: The version of the IP packet, i.e., AF_INET, AF_INET6.
- returns: If the stack accepts in this packet. If the packet is accepted, then it won't be processed by other IP stacks.
*/
public func input(packet: Data, version: NSNumber?) -> Bool {
if let version = version {
// we do not process IPv6 packets now
if version.int32Value == AF_INET6 {
return false
}
}
if IPPacket.peekProtocol(packet) == .udp {
input(packet)
return true
}
return false
}
public func start() {
}
public func stop() {
queue.async {
for socket in self.activeSockets.values {
socket.disconnect()
}
self.activeSockets = [:]
}
}
fileprivate func input(_ packetData: Data) {
guard let packet = IPPacket(packetData: packetData) else {
return
}
guard let (_, socket) = findOrCreateSocketForPacket(packet) else {
return
}
// swiftlint:disable:next force_cast
let payload = (packet.protocolParser as! UDPProtocolParser).payload
socket.write(data: payload!)
}
fileprivate func findSocket(connectInfo: ConnectInfo?, socket: NWUDPSocket?) -> (ConnectInfo, NWUDPSocket)? {
var result: (ConnectInfo, NWUDPSocket)?
queue.sync {
if connectInfo != nil {
guard let sock = self.activeSockets[connectInfo!] else {
result = nil
return
}
result = (connectInfo!, sock)
return
}
guard let socket = socket else {
result = nil
return
}
guard let index = self.activeSockets.firstIndex(where: { _, sock in
return socket === sock
}) else {
result = nil
return
}
result = self.activeSockets[index]
}
return result
}
fileprivate func findOrCreateSocketForPacket(_ packet: IPPacket) -> (ConnectInfo, NWUDPSocket)? {
// swiftlint:disable:next force_cast
let udpParser = packet.protocolParser as! UDPProtocolParser
let connectInfo = ConnectInfo(sourceAddress: packet.sourceAddress, sourcePort: udpParser.sourcePort, destinationAddress: packet.destinationAddress, destinationPort: udpParser.destinationPort)
if let (_, socket) = findSocket(connectInfo: connectInfo, socket: nil) {
return (connectInfo, socket)
}
guard let session = ConnectSession(ipAddress: connectInfo.destinationAddress, port: connectInfo.destinationPort) else {
return nil
}
guard let udpSocket = NWUDPSocket(host: session.host, port: session.port) else {
return nil
}
udpSocket.delegate = self
queue.sync {
self.activeSockets[connectInfo] = udpSocket
}
return (connectInfo, udpSocket)
}
public func didReceive(data: Data, from: NWUDPSocket) {
guard let (connectInfo, _) = findSocket(connectInfo: nil, socket: from) else {
return
}
let packet = IPPacket()
packet.sourceAddress = connectInfo.destinationAddress
packet.destinationAddress = connectInfo.sourceAddress
let udpParser = UDPProtocolParser()
udpParser.sourcePort = connectInfo.destinationPort
udpParser.destinationPort = connectInfo.sourcePort
udpParser.payload = data
packet.protocolParser = udpParser
packet.transportProtocol = .udp
packet.buildPacket()
outputFunc([packet.packetData], [NSNumber(value: AF_INET as Int32)])
}
public func didCancel(socket: NWUDPSocket) {
guard let (info, _) = findSocket(connectInfo: nil, socket: socket) else {
return
}
activeSockets.removeValue(forKey: info)
}
}
```
|
/content/code_sandbox/src/IPStack/UDPDirectStack.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,071
|
```swift
import Foundation
class TCPMutablePacket: IPMutablePacket {
var sourcePort: Port {
get {
return Port(bytesInNetworkOrder: payload.bytes.advancedBy(IPHeaderLength))
}
set {
setPort(sourcePort, newPort: newValue, at: 0)
}
}
var destinationPort: Port {
get {
return Port(bytesInNetworkOrder: payload.bytes.advancedBy(IPHeaderLength + 2))
}
set {
setPort(destinationPort, newPort: newValue, at: 2)
}
}
override func updateChecksum(oldValue: UInt16, newValue: UInt16, type: ChangeType) {
super.updateChecksum(oldValue, newValue: newValue, type: type)
updateChecksum(oldValue, newValue: newValue, at: IPHeaderLength + 16)
}
// swiftlint:disable:next variable_name
private func setPort(oldPort: Port, newPort: Port, at: Int) {
payload.replaceBytesInRange(NSRange(location: at + IPHeaderLength, length: 2), withBytes: newPort.bytesInNetworkOrder, length: 2)
updateChecksum(oldPort.valueInNetworkOrder, newValue: newPort.valueInNetworkOrder, type: .Port)
}
}
```
|
/content/code_sandbox/src/IPStack/Packet/TCPMutablePacket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 270
|
```swift
import Foundation
import CocoaLumberjackSwift
public enum IPVersion: UInt8 {
case iPv4 = 4, iPv6 = 6
}
public enum TransportProtocol: UInt8 {
case icmp = 1, tcp = 6, udp = 17
}
/// The class to process and build IP packet.
///
/// - note: Only IPv4 is supported as of now.
open class IPPacket {
/**
Get the version of the IP Packet without parsing the whole packet.
- parameter data: The data containing the whole IP packet.
- returns: The version of the packet. Returns `nil` if failed to parse the packet.
*/
public static func peekIPVersion(_ data: Data) -> IPVersion? {
guard data.count >= 20 else {
return nil
}
let version = (data as NSData).bytes.bindMemory(to: UInt8.self, capacity: data.count).pointee >> 4
return IPVersion(rawValue: version)
}
/**
Get the protocol of the IP Packet without parsing the whole packet.
- parameter data: The data containing the whole IP packet.
- returns: The protocol of the packet. Returns `nil` if failed to parse the packet.
*/
public static func peekProtocol(_ data: Data) -> TransportProtocol? {
guard data.count >= 20 else {
return nil
}
return TransportProtocol(rawValue: (data as NSData).bytes.bindMemory(to: UInt8.self, capacity: data.count).advanced(by: 9).pointee)
}
/**
Get the source IP address of the IP packet without parsing the whole packet.
- parameter data: The data containing the whole IP packet.
- returns: The source IP address of the packet. Returns `nil` if failed to parse the packet.
*/
public static func peekSourceAddress(_ data: Data) -> IPAddress? {
guard data.count >= 20 else {
return nil
}
return IPAddress(fromBytesInNetworkOrder: (data as NSData).bytes.advanced(by: 12))
}
/**
Get the destination IP address of the IP packet without parsing the whole packet.
- parameter data: The data containing the whole IP packet.
- returns: The destination IP address of the packet. Returns `nil` if failed to parse the packet.
*/
public static func peekDestinationAddress(_ data: Data) -> IPAddress? {
guard data.count >= 20 else {
return nil
}
return IPAddress(fromBytesInNetworkOrder: (data as NSData).bytes.advanced(by: 16))
}
/**
Get the source port of the IP packet without parsing the whole packet.
- parameter data: The data containing the whole IP packet.
- returns: The source IP address of the packet. Returns `nil` if failed to parse the packet.
- note: Only TCP and UDP packet has port field.
*/
public static func peekSourcePort(_ data: Data) -> Port? {
guard let proto = peekProtocol(data) else {
return nil
}
guard proto == .tcp || proto == .udp else {
return nil
}
let headerLength = Int((data as NSData).bytes.bindMemory(to: UInt8.self, capacity: data.count).pointee & 0x0F * 4)
// Make sure there are bytes for source and destination bytes.
guard data.count > headerLength + 4 else {
return nil
}
return Port(bytesInNetworkOrder: (data as NSData).bytes.advanced(by: headerLength))
}
/**
Get the destination port of the IP packet without parsing the whole packet.
- parameter data: The data containing the whole IP packet.
- returns: The destination IP address of the packet. Returns `nil` if failed to parse the packet.
- note: Only TCP and UDP packet has port field.
*/
public static func peekDestinationPort(_ data: Data) -> Port? {
guard let proto = peekProtocol(data) else {
return nil
}
guard proto == .tcp || proto == .udp else {
return nil
}
let headerLength = Int((data as NSData).bytes.bindMemory(to: UInt8.self, capacity: data.count).pointee & 0x0F * 4)
// Make sure there are bytes for source and destination bytes.
guard data.count > headerLength + 4 else {
return nil
}
return Port(bytesInNetworkOrder: (data as NSData).bytes.advanced(by: headerLength + 2))
}
/// The version of the current IP packet.
open var version: IPVersion = .iPv4
/// The length of the IP packet header.
open var headerLength: UInt8 = 20
/// This contains the DSCP and ECN of the IP packet.
///
/// - note: Since we can not send custom IP packet out with NetworkExtension, this is useless and simply ignored.
open var tos: UInt8 = 0
/// This should be the length of the datagram.
/// This value is not read from header since NEPacketTunnelFlow has already taken care of it for us.
open var totalLength: UInt16 {
return UInt16(packetData.count)
}
/// Identification of the current packet.
///
/// - note: Since we do not support fragment, this is ignored and always will be zero.
/// - note: Theoratically, this should be a sequentially increasing number. It probably will be implemented.
var identification: UInt16 = 0
/// Offset of the current packet.
///
/// - note: Since we do not support fragment, this is ignored and always will be zero.
var offset: UInt16 = 0
/// TTL of the packet.
var TTL: UInt8 = 64
/// Source IP address.
var sourceAddress: IPAddress!
/// Destination IP address.
var destinationAddress: IPAddress!
/// Transport protocol of the packet.
var transportProtocol: TransportProtocol!
/// Parser to parse the payload in IP packet.
var protocolParser: TransportProtocolParserProtocol!
/// The data representing the packet.
var packetData: Data!
/**
Initailize a new instance to build IP packet.
*/
init() {}
/**
Initailize an `IPPacket` with data.
- parameter packetData: The data containing a whole packet.
*/
init?(packetData: Data) {
// no need to validate the packet.
self.packetData = packetData
let scanner = BinaryDataScanner(data: packetData, littleEndian: false)
let vhl = scanner.readByte()!
guard let v = IPVersion(rawValue: vhl >> 4) else {
DDLogError("Got unknown ip packet version \(vhl >> 4)")
return nil
}
version = v
headerLength = vhl & 0x0F * 4
guard packetData.count >= Int(headerLength) else {
return nil
}
tos = scanner.readByte()!
guard totalLength == scanner.read16()! else {
DDLogError("Packet length mismatches from header.")
return nil
}
identification = scanner.read16()!
offset = scanner.read16()!
TTL = scanner.readByte()!
guard let proto = TransportProtocol(rawValue: scanner.readByte()!) else {
DDLogWarn("Get unsupported packet protocol.")
return nil
}
transportProtocol = proto
// ignore checksum
_ = scanner.read16()!
switch version {
case .iPv4:
sourceAddress = IPAddress(ipv4InNetworkOrder: CFSwapInt32(scanner.read32()!))
destinationAddress = IPAddress(ipv4InNetworkOrder: CFSwapInt32(scanner.read32()!))
default:
// IPv6 is not supported yet.
DDLogWarn("IPv6 is not supported yet.")
return nil
}
switch transportProtocol! {
case .udp:
guard let parser = UDPProtocolParser(packetData: packetData, offset: Int(headerLength)) else {
return nil
}
self.protocolParser = parser
default:
DDLogError("Can not parse packet header of type \(String(describing: transportProtocol)) yet")
return nil
}
}
func computePseudoHeaderChecksum() -> UInt32 {
var result: UInt32 = 0
if let address = sourceAddress {
result += address.UInt32InNetworkOrder! >> 16 + address.UInt32InNetworkOrder! & 0xFFFF
}
if let address = destinationAddress {
result += address.UInt32InNetworkOrder! >> 16 + address.UInt32InNetworkOrder! & 0xFFFF
}
result += UInt32(transportProtocol.rawValue) << 8
result += CFSwapInt32(UInt32(protocolParser.bytesLength))
return result
}
func buildPacket() {
packetData = NSMutableData(length: Int(headerLength) + protocolParser.bytesLength) as Data?
// set header
setPayloadWithUInt8(headerLength / 4 + version.rawValue << 4, at: 0)
setPayloadWithUInt8(tos, at: 1)
setPayloadWithUInt16(totalLength, at: 2)
setPayloadWithUInt16(identification, at: 4)
setPayloadWithUInt16(offset, at: 6)
setPayloadWithUInt8(TTL, at: 8)
setPayloadWithUInt8(transportProtocol.rawValue, at: 9)
// clear checksum bytes
resetPayloadAt(10, length: 2)
setPayloadWithUInt32(sourceAddress.UInt32InNetworkOrder!, at: 12, swap: false)
setPayloadWithUInt32(destinationAddress.UInt32InNetworkOrder!, at: 16, swap: false)
// let TCP or UDP packet build
protocolParser.packetData = packetData
protocolParser.offset = Int(headerLength)
protocolParser.buildSegment(computePseudoHeaderChecksum())
packetData = protocolParser.packetData
setPayloadWithUInt16(Checksum.computeChecksum(packetData, from: 0, to: Int(headerLength)), at: 10, swap: false)
}
func setPayloadWithUInt8(_ value: UInt8, at: Int) {
var v = value
withUnsafeBytes(of: &v) {
packetData.replaceSubrange(at..<at+1, with: $0)
}
}
func setPayloadWithUInt16(_ value: UInt16, at: Int, swap: Bool = true) {
var v: UInt16
if swap {
v = CFSwapInt16HostToBig(value)
} else {
v = value
}
withUnsafeBytes(of: &v) {
packetData.replaceSubrange(at..<at+2, with: $0)
}
}
func setPayloadWithUInt32(_ value: UInt32, at: Int, swap: Bool = true) {
var v: UInt32
if swap {
v = CFSwapInt32HostToBig(value)
} else {
v = value
}
withUnsafeBytes(of: &v) {
packetData.replaceSubrange(at..<at+4, with: $0)
}
}
func setPayloadWithData(_ data: Data, at: Int, length: Int? = nil, from: Int = 0) {
var length = length
if length == nil {
length = data.count - from
}
packetData.replaceSubrange(at..<at+length!, with: data)
}
func resetPayloadAt(_ at: Int, length: Int) {
packetData.resetBytes(in: at..<at+length)
}
}
```
|
/content/code_sandbox/src/IPStack/Packet/IPPacket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 2,563
|
```swift
import Foundation
protocol TransportProtocolParserProtocol {
var packetData: Data! { get set }
var offset: Int { get set }
var bytesLength: Int { get }
var payload: Data! { get set }
func buildSegment(_ pseudoHeaderChecksum: UInt32)
}
/// Parser to process UDP packet and build packet.
class UDPProtocolParser: TransportProtocolParserProtocol {
/// The source port.
var sourcePort: Port!
/// The destination port.
var destinationPort: Port!
/// The data containing the UDP segment.
var packetData: Data!
/// The offset of the UDP segment in the `packetData`.
var offset: Int = 0
/// The payload to be encapsulated.
var payload: Data!
/// The length of the UDP segment.
var bytesLength: Int {
return payload.count + 8
}
init() {}
init?(packetData: Data, offset: Int) {
guard packetData.count >= offset + 8 else {
return nil
}
self.packetData = packetData
self.offset = offset
sourcePort = Port(bytesInNetworkOrder: (packetData as NSData).bytes.advanced(by: offset))
destinationPort = Port(bytesInNetworkOrder: (packetData as NSData).bytes.advanced(by: offset + 2))
payload = packetData.subdata(in: offset+8..<packetData.count)
}
func buildSegment(_ pseudoHeaderChecksum: UInt32) {
sourcePort.withUnsafeBufferPointer {
self.packetData.replaceSubrange(offset..<offset+2, with: $0)
}
destinationPort.withUnsafeBufferPointer {
self.packetData.replaceSubrange(offset+2..<offset+4, with: $0)
}
var length = NSSwapHostShortToBig(UInt16(bytesLength))
withUnsafeBytes(of: &length) {
packetData.replaceSubrange(offset+4..<offset+6, with: $0)
}
packetData.replaceSubrange(offset+8..<offset+8+payload.count, with: payload)
packetData.resetBytes(in: offset+6..<offset+8)
var checksum = Checksum.computeChecksum(packetData, from: offset, to: nil, withPseudoHeaderChecksum: pseudoHeaderChecksum)
withUnsafeBytes(of: &checksum) {
packetData.replaceSubrange(offset+6..<offset+8, with: $0)
}
}
}
```
|
/content/code_sandbox/src/IPStack/Packet/PacketProtocolParser.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 521
|
```swift
import Foundation
enum ChangeType {
case Address, Port
}
public class IPMutablePacket {
// Support only IPv4 for now
let version: IPVersion
let proto: TransportType
let IPHeaderLength: Int
var sourceAddress: IPv4Address {
get {
return IPv4Address(fromBytesInNetworkOrder: payload.bytes.advancedBy(12))
}
set {
setIPv4Address(sourceAddress, newAddress: newValue, at: 12)
}
}
var destinationAddress: IPv4Address {
get {
return IPv4Address(fromBytesInNetworkOrder: payload.bytes.advancedBy(16))
}
set {
setIPv4Address(destinationAddress, newAddress: newValue, at: 16)
}
}
let payload: NSMutableData
public init(payload: NSData) {
let vl = UnsafePointer<UInt8>(payload.bytes).memory
version = IPVersion(rawValue: vl >> 4)!
IPHeaderLength = Int(vl & 0x0F) * 4
let p = UnsafePointer<UInt8>(payload.bytes.advancedBy(9)).memory
proto = TransportType(rawValue: p)!
self.payload = NSMutableData(data: payload)
}
func updateChecksum(oldValue: UInt16, newValue: UInt16, type: ChangeType) {
if type == .Address {
updateChecksum(oldValue, newValue: newValue, at: 10)
}
}
// swiftlint:disable:next variable_name
internal func updateChecksum(oldValue: UInt16, newValue: UInt16, at: Int) {
let oldChecksum = UnsafePointer<UInt16>(payload.bytes.advancedBy(at)).memory
let oc32 = UInt32(~oldChecksum)
let ov32 = UInt32(~oldValue)
let nv32 = UInt32(newValue)
var newChecksum32 = oc32 &+ ov32 &+ nv32
newChecksum32 = (newChecksum32 & 0xFFFF) + (newChecksum32 >> 16)
newChecksum32 = (newChecksum32 & 0xFFFF) &+ (newChecksum32 >> 16)
var newChecksum = ~UInt16(newChecksum32)
payload.replaceBytesInRange(NSRange(location: at, length: 2), withBytes: &newChecksum, length: 2)
}
// swiftlint:disable:next variable_name
private func foldChecksum(checksum: UInt32) -> UInt32 {
var checksum = checksum
while checksum > 0xFFFF {
checksum = (checksum & 0xFFFF) + (checksum >> 16)
}
return checksum
}
// swiftlint:disable:next variable_name
private func setIPv4Address(oldAddress: IPv4Address, newAddress: IPv4Address, at: Int) {
payload.replaceBytesInRange(NSRange(location: at, length: 4), withBytes: newAddress.bytesInNetworkOrder, length: 4)
updateChecksum(UnsafePointer<UInt16>(oldAddress.bytesInNetworkOrder).memory, newValue: UnsafePointer<UInt16>(newAddress.bytesInNetworkOrder).memory, type: .Address)
updateChecksum(UnsafePointer<UInt16>(oldAddress.bytesInNetworkOrder).advancedBy(1).memory, newValue: UnsafePointer<UInt16>(newAddress.bytesInNetworkOrder).advancedBy(1).memory, type: .Address)
}
}
```
|
/content/code_sandbox/src/IPStack/Packet/IPMutablePacket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 731
|
```swift
import Foundation
import CocoaLumberjackSwift
open class DNSSession {
public let requestMessage: DNSMessage
var requestIPPacket: IPPacket?
open var realIP: IPAddress?
open var fakeIP: IPAddress?
open var realResponseMessage: DNSMessage?
var realResponseIPPacket: IPPacket?
open var matchedRule: Rule?
open var matchResult: DNSSessionMatchResult?
var indexToMatch = 0
var expireAt: Date?
lazy var countryCode: String? = {
[unowned self] in
guard self.realIP != nil else {
return nil
}
return Utils.GeoIPLookup.Lookup(self.realIP!.presentation)
}()
init?(message: DNSMessage) {
guard message.messageType == .query else {
DDLogError("DNSSession can only be initailized by a DNS query.")
return nil
}
guard message.queries.count == 1 else {
DDLogError("Expecting the DNS query has exact one query entry.")
return nil
}
requestMessage = message
}
convenience init?(packet: IPPacket) {
guard let message = DNSMessage(payload: packet.protocolParser.payload) else {
return nil
}
self.init(message: message)
requestIPPacket = packet
}
}
extension DNSSession: CustomStringConvertible {
public var description: String {
return "<\(type(of: self)) domain: \(self.requestMessage.queries.first!.name) realIP: \(String(describing: realIP)) fakeIP: \(String(describing: fakeIP))>"
}
}
```
|
/content/code_sandbox/src/IPStack/DNS/DNSSession.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 353
|
```swift
import Foundation
public protocol DNSResolverProtocol: class {
var delegate: DNSResolverDelegate? { get set }
func resolve(session: DNSSession)
func stop()
}
public protocol DNSResolverDelegate: class {
func didReceive(rawResponse: Data)
}
open class UDPDNSResolver: DNSResolverProtocol, NWUDPSocketDelegate {
let socket: NWUDPSocket
public weak var delegate: DNSResolverDelegate?
public init(address: IPAddress, port: Port) {
socket = NWUDPSocket(host: address.presentation, port: Int(port.value))!
socket.delegate = self
}
public func resolve(session: DNSSession) {
socket.write(data: session.requestMessage.payload)
}
public func stop() {
socket.disconnect()
}
public func didReceive(data: Data, from: NWUDPSocket) {
delegate?.didReceive(rawResponse: data)
}
public func didCancel(socket: NWUDPSocket) {
}
}
```
|
/content/code_sandbox/src/IPStack/DNS/DNSResolver.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 212
|
```swift
import Foundation
import CocoaLumberjackSwift
open class DNSMessage {
// var sourceAddress: IPv4Address?
// var sourcePort: Port?
// var destinationAddress: IPv4Address?
// var destinationPort: Port?
open var transactionID: UInt16 = 0
open var messageType: DNSMessageType = .query
open var authoritative: Bool = false
open var truncation: Bool = false
open var recursionDesired: Bool = false
open var recursionAvailable: Bool = false
open var status: DNSReturnStatus = .success
open var queries: [DNSQuery] = []
open var answers: [DNSResource] = []
open var nameservers: [DNSResource] = []
open var addtionals: [DNSResource] = []
var payload: Data!
var bytesLength: Int {
var len = 12 + queries.reduce(0) {
$0 + $1.bytesLength
}
len += answers.reduce(0) {
$0 + $1.bytesLength
}
len += nameservers.reduce(0) {
$0 + $1.bytesLength
}
len += addtionals.reduce(0) {
$0 + $1.bytesLength
}
return len
}
var resolvedIPv4Address: IPAddress? {
for answer in answers {
if let address = answer.ipv4Address {
return address
}
}
return nil
}
var type: DNSType? {
return queries.first?.type
}
init() {}
init?(payload: Data) {
self.payload = payload
let scanner = BinaryDataScanner(data: payload, littleEndian: false)
transactionID = scanner.read16()!
var bytes = scanner.readByte()!
if bytes & 0x80 > 0 {
messageType = .response
} else {
messageType = .query
}
// ignore OP code
authoritative = bytes & 0x04 > 0
truncation = bytes & 0x02 > 0
recursionDesired = bytes & 0x01 > 0
bytes = scanner.readByte()!
recursionAvailable = bytes & 0x80 > 0
if let status = DNSReturnStatus(rawValue: bytes & 0x0F) {
self.status = status
} else {
DDLogError("Received DNS response with unknown status: \(bytes & 0x0F).")
self.status = .serverFailure
}
let queryCount = scanner.read16()!
let answerCount = scanner.read16()!
let nameserverCount = scanner.read16()!
let addtionalCount = scanner.read16()!
for _ in 0..<queryCount {
queries.append(DNSQuery(payload: payload, offset: scanner.position, base: 0)!)
scanner.advance(by: queries.last!.bytesLength)
}
for _ in 0..<answerCount {
answers.append(DNSResource(payload: payload, offset: scanner.position, base: 0)!)
scanner.advance(by: answers.last!.bytesLength)
}
for _ in 0..<nameserverCount {
nameservers.append(DNSResource(payload: payload, offset: scanner.position, base: 0)!)
scanner.advance(by: nameservers.last!.bytesLength)
}
for _ in 0..<addtionalCount {
addtionals.append(DNSResource(payload: payload, offset: scanner.position, base: 0)!)
scanner.advance(by: addtionals.last!.bytesLength)
}
}
func buildMessage() -> Bool {
payload = Data(count: bytesLength)
if transactionID == 0 {
transactionID = UInt16(arc4random_uniform(UInt32(UInt16.max)))
}
setPayloadWithUInt16(transactionID, at: 0, swap: true)
var byte: UInt8 = 0
byte += messageType.rawValue << 7
if authoritative {
byte += 4
}
if truncation {
byte += 2
}
if recursionDesired {
byte += 1
}
setPayloadWithUInt8(byte, at: 2)
byte = 0
if recursionAvailable {
byte += 128
}
byte += status.rawValue
setPayloadWithUInt8(byte, at: 3)
setPayloadWithUInt16(UInt16(queries.count), at: 4, swap: true)
setPayloadWithUInt16(UInt16(answers.count), at: 6, swap: true)
setPayloadWithUInt16(UInt16(nameservers.count), at: 8, swap: true)
setPayloadWithUInt16(UInt16(addtionals.count), at: 10, swap: true)
return writeAllRecordAt(12)
}
// swiftlint:disable variable_name
func setPayloadWithUInt8(_ value: UInt8, at: Int) {
var v = value
withUnsafeBytes(of: &v) {
payload.replaceSubrange(at..<at+1, with: $0)
}
}
func setPayloadWithUInt16(_ value: UInt16, at: Int, swap: Bool = false) {
var v: UInt16
if swap {
v = NSSwapHostShortToBig(value)
} else {
v = value
}
withUnsafeBytes(of: &v) {
payload.replaceSubrange(at..<at+2, with: $0)
}
}
func setPayloadWithUInt32(_ value: UInt32, at: Int, swap: Bool = false) {
var v: UInt32
if swap {
v = NSSwapHostIntToBig(value)
} else {
v = value
}
withUnsafeBytes(of: &v) {
payload.replaceSubrange(at..<at+4, with: $0)
}
}
func setPayloadWithData(_ data: Data, at: Int, length: Int? = nil, from: Int = 0) {
let length = length ?? data.count - from
payload.withUnsafeMutableBytes { ptr in
data.copyBytes(to: ptr.baseAddress!.advanced(by: at).assumingMemoryBound(to: UInt8.self), from: from..<from+length)
}
}
func resetPayloadAt(_ at: Int, length: Int) {
payload.resetBytes(in: at..<at+length)
}
fileprivate func writeAllRecordAt(_ at: Int) -> Bool {
var position = at
for query in queries {
guard writeDNSQuery(query, at: position) else {
return false
}
position += query.bytesLength
}
for resources in [answers, nameservers, addtionals] {
for resource in resources {
guard writeDNSResource(resource, at: position) else {
return false
}
position += resource.bytesLength
}
}
return true
}
fileprivate func writeDNSQuery(_ query: DNSQuery, at: Int) -> Bool {
guard DNSNameConverter.setName(query.name, toData: &payload!, at: at) else {
return false
}
setPayloadWithUInt16(query.type.rawValue, at: at + query.nameBytesLength, swap: true)
setPayloadWithUInt16(query.klass.rawValue, at: at + query.nameBytesLength + 2, swap: true)
return true
}
fileprivate func writeDNSResource(_ resource: DNSResource, at: Int) -> Bool {
guard DNSNameConverter.setName(resource.name, toData: &payload!, at: at) else {
return false
}
setPayloadWithUInt16(resource.type.rawValue, at: at + resource.nameBytesLength, swap: true)
setPayloadWithUInt16(resource.klass.rawValue, at: at + resource.nameBytesLength + 2, swap: true)
setPayloadWithUInt32(resource.TTL, at: at + resource.nameBytesLength + 4, swap: true)
setPayloadWithUInt16(resource.dataLength, at: at + resource.nameBytesLength + 8, swap: true)
setPayloadWithData(resource.data, at: at + resource.nameBytesLength + 10)
return true
}
}
open class DNSQuery {
public let name: String
public let type: DNSType
public let klass: DNSClass
let nameBytesLength: Int
init(name: String, type: DNSType = .a, klass: DNSClass = .internet) {
self.name = name.trimmingCharacters(in: CharacterSet(charactersIn: "."))
self.type = type
self.klass = klass
self.nameBytesLength = name.utf8.count + 2
}
init?(payload: Data, offset: Int, base: Int = 0) {
(self.name, self.nameBytesLength) = DNSNameConverter.getNamefromData(payload, offset: offset, base: base)
let scanner = BinaryDataScanner(data: payload, littleEndian: false)
scanner.skip(to: offset + self.nameBytesLength)
guard let type = DNSType(rawValue: scanner.read16()!) else {
DDLogError("Received DNS packet with unknown type.")
return nil
}
self.type = type
guard let klass = DNSClass(rawValue: scanner.read16()!) else {
DDLogError("Received DNS packet with unknown class.")
return nil
}
self.klass = klass
}
var bytesLength: Int {
return nameBytesLength + 4
}
}
open class DNSResource {
public let name: String
public let type: DNSType
public let klass: DNSClass
public let TTL: UInt32
let dataLength: UInt16
public let data: Data
let nameBytesLength: Int
init(name: String, type: DNSType = .a, klass: DNSClass = .internet, TTL: UInt32 = 300, data: Data) {
self.name = name
self.type = type
self.klass = klass
self.TTL = TTL
dataLength = UInt16(data.count)
self.data = data
self.nameBytesLength = name.utf8.count + 2
}
static func ARecord(_ name: String, TTL: UInt32 = 300, address: IPAddress) -> DNSResource {
return DNSResource(name: name, type: .a, klass: .internet, TTL: TTL, data: address.dataInNetworkOrder)
}
init?(payload: Data, offset: Int, base: Int = 0) {
(self.name, self.nameBytesLength) = DNSNameConverter.getNamefromData(payload, offset: offset, base: base)
let scanner = BinaryDataScanner(data: payload, littleEndian: false)
scanner.skip(to: offset + self.nameBytesLength)
guard let type = DNSType(rawValue: scanner.read16()!) else {
DDLogError("Received DNS packet with unknown type.")
return nil
}
self.type = type
guard let klass = DNSClass(rawValue: scanner.read16()!) else {
DDLogError("Received DNS packet with unknown class.")
return nil
}
self.klass = klass
self.TTL = scanner.read32()!
dataLength = scanner.read16()!
self.data = payload.subdata(in: scanner.position..<scanner.position+Int(dataLength))
}
var bytesLength: Int {
return nameBytesLength + 10 + Int(dataLength)
}
var ipv4Address: IPAddress? {
guard type == .a else {
return nil
}
return IPAddress(fromBytesInNetworkOrder: (data as NSData).bytes)
}
}
class DNSNameConverter {
static func setName(_ name: String, toData data: inout Data, at: Int) -> Bool {
let labels = name.components(separatedBy: CharacterSet(charactersIn: "."))
var position = at
for label in labels {
let len = label.utf8.count
guard len != 0 else {
// invalid domain name
return false
}
data[position] = UInt8(len)
position += 1
data.replaceSubrange(position..<position+len, with: label.data(using: .utf8)!)
position += len
}
data[position] = 0
return true
}
static func getNamefromData(_ data: Data, offset: Int, base: Int = 0) -> (String, Int) {
let scanner = BinaryDataScanner(data: data, littleEndian: false)
scanner.skip(to: offset)
var len: UInt8 = 0
var name = ""
var currentReadBytes = 0
var jumped = false
var nameBytesLength = 0
repeat {
let length = scanner.read16()!
// is this a pointer?
if length & 0xC000 == 0xC000 {
if !jumped {
// save the length position
nameBytesLength = 2 + currentReadBytes
jumped = true
}
scanner.skip(to: Int(length & 0x3FFF) + base)
} else {
scanner.advance(by: -2)
}
len = scanner.readByte()!
currentReadBytes += 1
if len == 0 {
break
}
currentReadBytes += Int(len)
guard let label = String(bytes: scanner.data.subdata(in: scanner.position..<scanner.position+Int(len)), encoding: .utf8) else {
return ("", currentReadBytes)
}
// this is not efficient, but won't take much time, so maybe I'll optimize it later
name = name.appendingFormat(".%@", label)
scanner.advance(by: Int(len))
} while true
if !jumped {
nameBytesLength = currentReadBytes
}
return (name.trimmingCharacters(in: CharacterSet(charactersIn: ".")), nameBytesLength)
}
}
```
|
/content/code_sandbox/src/IPStack/DNS/DNSMessage.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 3,041
|
```swift
import Foundation
import NetworkExtension
import CocoaLumberjackSwift
/// A DNS server designed as an `IPStackProtocol` implementation which works with TUN interface.
///
/// This class is thread-safe.
open class DNSServer: DNSResolverDelegate, IPStackProtocol {
/// Current DNS server.
///
/// - warning: There is at most one DNS server running at the same time. If a DNS server is registered to `TUNInterface` then it must also be set here.
public static var currentServer: DNSServer?
/// The address of DNS server.
let serverAddress: IPAddress
/// The port of DNS server
let serverPort: Port
fileprivate let queue: DispatchQueue = QueueFactory.getQueue()
fileprivate var fakeSessions: [IPAddress: DNSSession] = [:]
fileprivate var pendingSessions: [UInt16: DNSSession] = [:]
fileprivate let pool: IPPool?
fileprivate var resolvers: [DNSResolverProtocol] = []
open var outputFunc: (([Data], [NSNumber]) -> Void)!
// Only match A record as of now, all other records should be passed directly.
fileprivate let matchedType = [DNSType.a]
/**
Initailize a DNS server.
- parameter address: The IP address of the server.
- parameter port: The listening port of the server.
- parameter fakeIPPool: The pool of fake IP addresses. Set to nil if no fake IP is needed.
*/
public init(address: IPAddress, port: Port, fakeIPPool: IPPool? = nil) {
serverAddress = address
serverPort = port
pool = fakeIPPool
}
/**
Clean up fake IP.
- parameter address: The fake IP address.
- parameter delay: How long should the fake IP be valid.
*/
fileprivate func cleanUpFakeIP(_ address: IPAddress, after delay: Int) {
queue.asyncAfter(deadline: DispatchTime.now() + Double(Int64(delay) * Int64(NSEC_PER_SEC)) / Double(NSEC_PER_SEC)) {
[weak self] in
_ = self?.fakeSessions.removeValue(forKey: address)
self?.pool?.release(ip: address)
}
}
/**
Clean up pending session.
- parameter session: The pending session.
- parameter delay: How long before the pending session be cleaned up.
*/
fileprivate func cleanUpPendingSession(_ session: DNSSession, after delay: Int) {
queue.asyncAfter(deadline: DispatchTime.now() + Double(Int64(delay) * Int64(NSEC_PER_SEC)) / Double(NSEC_PER_SEC)) {
[weak self] in
_ = self?.pendingSessions.removeValue(forKey: session.requestMessage.transactionID)
}
}
fileprivate func lookup(_ session: DNSSession) {
guard shouldMatch(session) else {
session.matchResult = .real
lookupRemotely(session)
return
}
RuleManager.currentManager.matchDNS(session, type: .domain)
switch session.matchResult! {
case .fake:
guard setUpFakeIP(session) else {
// failed to set up a fake IP, return the result directly
session.matchResult = .real
lookupRemotely(session)
return
}
outputSession(session)
case .real, .unknown:
lookupRemotely(session)
default:
DDLogError("The rule match result should never be .Pass.")
}
}
fileprivate func lookupRemotely(_ session: DNSSession) {
pendingSessions[session.requestMessage.transactionID] = session
cleanUpPendingSession(session, after: Opt.DNSPendingSessionLifeTime)
sendQueryToRemote(session)
}
fileprivate func sendQueryToRemote(_ session: DNSSession) {
for resolver in resolvers {
resolver.resolve(session: session)
}
}
/**
Input IP packet into the DNS server.
- parameter packet: The IP packet.
- parameter version: The version of the IP packet.
- returns: If the packet is taken in by this DNS server.
*/
open func input(packet: Data, version: NSNumber?) -> Bool {
guard IPPacket.peekProtocol(packet) == .udp else {
return false
}
guard IPPacket.peekDestinationAddress(packet) == serverAddress else {
return false
}
guard IPPacket.peekDestinationPort(packet) == serverPort else {
return false
}
guard let ipPacket = IPPacket(packetData: packet) else {
return false
}
guard let session = DNSSession(packet: ipPacket) else {
return false
}
queue.async {
self.lookup(session)
}
return true
}
public func start() {
}
open func stop() {
for resolver in resolvers {
resolver.stop()
}
resolvers = []
// The blocks scheduled with `dispatch_after` are ignored since they are hard to cancel. But there should be no consequence, everything will be released except for a few `IPAddress`es and the `queue` which will be released later.
}
fileprivate func outputSession(_ session: DNSSession) {
guard let result = session.matchResult else {
return
}
let udpParser = UDPProtocolParser()
udpParser.sourcePort = serverPort
// swiftlint:disable:next force_cast
udpParser.destinationPort = (session.requestIPPacket!.protocolParser as! UDPProtocolParser).sourcePort
switch result {
case .real:
udpParser.payload = session.realResponseMessage!.payload
case .fake:
let response = DNSMessage()
response.transactionID = session.requestMessage.transactionID
response.messageType = .response
response.recursionAvailable = true
// since we only support ipv4 as of now, it must be an answer of type A
response.answers.append(DNSResource.ARecord(session.requestMessage.queries[0].name, TTL: UInt32(Opt.DNSFakeIPTTL), address: session.fakeIP!))
session.expireAt = Date().addingTimeInterval(Double(Opt.DNSFakeIPTTL))
guard response.buildMessage() else {
DDLogError("Failed to build DNS response.")
return
}
udpParser.payload = response.payload
default:
return
}
let ipPacket = IPPacket()
ipPacket.sourceAddress = serverAddress
ipPacket.destinationAddress = session.requestIPPacket!.sourceAddress
ipPacket.protocolParser = udpParser
ipPacket.transportProtocol = .udp
ipPacket.buildPacket()
outputFunc([ipPacket.packetData], [NSNumber(value: AF_INET as Int32)])
}
fileprivate func shouldMatch(_ session: DNSSession) -> Bool {
return matchedType.contains(session.requestMessage.type!)
}
func isFakeIP(_ ipAddress: IPAddress) -> Bool {
return pool?.contains(ip: ipAddress) ?? false
}
func lookupFakeIP(_ address: IPAddress) -> DNSSession? {
var session: DNSSession?
QueueFactory.executeOnQueueSynchronizedly {
session = self.fakeSessions[address]
}
return session
}
/**
Add new DNS resolver to DNS server.
- parameter resolver: The resolver to add.
*/
open func registerResolver(_ resolver: DNSResolverProtocol) {
resolver.delegate = self
resolvers.append(resolver)
}
fileprivate func setUpFakeIP(_ session: DNSSession) -> Bool {
guard let fakeIP = pool?.fetchIP() else {
DDLogVerbose("Failed to get a fake IP.")
return false
}
session.fakeIP = fakeIP
fakeSessions[fakeIP] = session
session.expireAt = Date().addingTimeInterval(TimeInterval(Opt.DNSFakeIPTTL))
// keep the fake session for 2 TTL
cleanUpFakeIP(fakeIP, after: Opt.DNSFakeIPTTL * 2)
return true
}
open func didReceive(rawResponse: Data) {
guard let message = DNSMessage(payload: rawResponse) else {
DDLogError("Failed to parse response from remote DNS server.")
return
}
queue.async {
guard let session = self.pendingSessions.removeValue(forKey: message.transactionID) else {
// this should not be a problem if there are multiple DNS servers or the DNS server is hijacked.
DDLogVerbose("Do not find the corresponding DNS session for the response.")
return
}
session.realResponseMessage = message
session.realIP = message.resolvedIPv4Address
if session.matchResult != .fake && session.matchResult != .real {
RuleManager.currentManager.matchDNS(session, type: .ip)
}
switch session.matchResult! {
case .fake:
if !self.setUpFakeIP(session) {
// return real response
session.matchResult = .real
}
self.outputSession(session)
case .real:
self.outputSession(session)
default:
DDLogError("The rule match result should never be .Pass or .Unknown in IP mode.")
}
}
}
}
```
|
/content/code_sandbox/src/IPStack/DNS/DNSServer.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,967
|
```swift
import Foundation
public enum DNSType: UInt16 {
// swiftlint:disable:next type_name
case invalid = 0, a, ns, md, mf, cname, soa, mb, mg, mr, null, wks, ptr, hinfo, minfo, mx, txt, rp, afsdb, x25, isdn, rt, nsap, nsapptr, sig, key, px, gpos, aaaa, loc, nxt, eid, nimloc, srv, atma, naptr, kx, cert, a6, dname, sink, opt, apl, ds, sshfp, rrsig = 46, nsec, dnskey, tkey = 249, tsig, ixfr, axfr, mailb, maila, any
}
public enum DNSMessageType: UInt8 {
case query, response
}
public enum DNSReturnStatus: UInt8 {
case success = 0, formatError, serverFailure, nameError, notImplemented, refused
}
public enum DNSClass: UInt16 {
case internet = 1
}
```
|
/content/code_sandbox/src/IPStack/DNS/DNSEnums.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 236
|
```swift
import Foundation
import MMDB
open class GeoIP {
// Back in the days, MMDB ships a bundled GeoLite2 database. However, that has changed
// due to license change of the database. Now developers must initialize it by themselves.
// In order to maintain the API compatibility while expose the issue ASAP, we set the type
// to `MMDB!` so it will crash during development if one forgets to initialize it.
// Please initialize it first!
public static var database: MMDB!
public static func LookUp(_ ipAddress: String) -> MMDBCountry? {
return GeoIP.database.lookup(ipAddress)
}
}
```
|
/content/code_sandbox/src/GeoIP/GeoIP.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 141
|
```swift
import Foundation
import CocoaAsyncSocket
/// The TCP socket build upon `GCDAsyncSocket`.
///
/// - warning: This class is not thread-safe.
open class GCDTCPSocket: NSObject, GCDAsyncSocketDelegate, RawTCPSocketProtocol {
fileprivate let socket: GCDAsyncSocket
fileprivate var enableTLS: Bool = false
fileprivate var host: String?
/**
Initailize an instance with `GCDAsyncSocket`.
- parameter socket: The socket object to work with. If this is `nil`, then a new `GCDAsyncSocket` instance is created.
*/
public init(socket: GCDAsyncSocket? = nil) {
if let socket = socket {
self.socket = socket
self.socket.setDelegate(nil, delegateQueue: QueueFactory.getQueue())
} else {
self.socket = GCDAsyncSocket(delegate: nil, delegateQueue: QueueFactory.getQueue(), socketQueue: QueueFactory.getQueue())
}
super.init()
self.socket.synchronouslySetDelegate(self)
}
// MARK: RawTCPSocketProtocol implementation
/// The `RawTCPSocketDelegate` instance.
weak open var delegate: RawTCPSocketDelegate?
/// If the socket is connected.
open var isConnected: Bool {
return !socket.isDisconnected
}
/// The source address.
open var sourceIPAddress: IPAddress? {
guard let localHost = socket.localHost else {
return nil
}
return IPAddress(fromString: localHost)
}
/// The source port.
open var sourcePort: Port? {
return Port(port: socket.localPort)
}
/// The destination address.
///
/// - note: Always returns `nil`.
open var destinationIPAddress: IPAddress? {
return nil
}
/// The destination port.
///
/// - note: Always returns `nil`.
open var destinationPort: Port? {
return nil
}
/**
Connect to remote host.
- parameter host: Remote host.
- parameter port: Remote port.
- parameter enableTLS: Should TLS be enabled.
- parameter tlsSettings: The settings of TLS.
- throws: The error occured when connecting to host.
*/
open func connectTo(host: String, port: Int, enableTLS: Bool = false, tlsSettings: [AnyHashable: Any]? = nil) throws {
self.host = host
try connectTo(host: host, withPort: port)
self.enableTLS = enableTLS
if enableTLS {
startTLSWith(settings: tlsSettings)
}
}
/**
Disconnect the socket.
The socket will disconnect elegantly after any queued writing data are successfully sent.
*/
open func disconnect() {
socket.disconnectAfterWriting()
}
/**
Disconnect the socket immediately.
*/
open func forceDisconnect() {
socket.disconnect()
}
/**
Send data to remote.
- parameter data: Data to send.
- warning: This should only be called after the last write is finished, i.e., `delegate?.didWriteData()` is called.
*/
open func write(data: Data) {
write(data: data, withTimeout: -1)
}
/**
Read data from the socket.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
open func readData() {
socket.readData(withTimeout: -1, tag: 0)
}
/**
Read specific length of data from the socket.
- parameter length: The length of the data to read.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
open func readDataTo(length: Int) {
readDataTo(length: length, withTimeout: -1)
}
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
open func readDataTo(data: Data) {
readDataTo(data: data, maxLength: 0)
}
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- parameter maxLength: Ignored since `GCDAsyncSocket` does not support this. The max length of data to scan for the pattern.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
open func readDataTo(data: Data, maxLength: Int) {
readDataTo(data: data, withTimeout: -1)
}
// MARK: Other helper methods
/**
Send data to remote.
- parameter data: Data to send.
- parameter timeout: Operation timeout.
- warning: This should only be called after the last write is finished, i.e., `delegate?.didWriteData()` is called.
*/
func write(data: Data, withTimeout timeout: Double) {
guard data.count > 0 else {
QueueFactory.getQueue().async {
self.delegate?.didWrite(data: data, by: self)
}
return
}
socket.write(data, withTimeout: timeout, tag: 0)
}
/**
Read specific length of data from the socket.
- parameter length: The length of the data to read.
- parameter timeout: Operation timeout.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
func readDataTo(length: Int, withTimeout timeout: Double) {
socket.readData(toLength: UInt(length), withTimeout: timeout, tag: 0)
}
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- parameter timeout: Operation timeout.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
func readDataTo(data: Data, withTimeout timeout: Double) {
socket.readData(to: data, withTimeout: timeout, tag: 0)
}
/**
Connect to remote host.
- parameter host: Remote host.
- parameter port: Remote port.
- throws: The error occured when connecting to host.
*/
func connectTo(host: String, withPort port: Int) throws {
try socket.connect(toHost: host, onPort: UInt16(port))
}
/**
Secures the connection using SSL/TLS.
- parameter tlsSettings: TLS settings, refer to documents of `GCDAsyncSocket` for detail.
*/
func startTLSWith(settings: [AnyHashable: Any]!) {
if let settings = settings as? [String: NSObject] {
socket.startTLS(ensureSendPeerName(tlsSettings: settings))
} else {
socket.startTLS(ensureSendPeerName(tlsSettings: nil))
}
}
// MARK: Delegate methods for GCDAsyncSocket
open func socket(_ sock: GCDAsyncSocket, didWriteDataWithTag tag: Int) {
delegate?.didWrite(data: nil, by: self)
}
open func socket(_ sock: GCDAsyncSocket, didRead data: Data, withTag tag: Int) {
delegate?.didRead(data: data, from: self)
}
open func socketDidDisconnect(_ socket: GCDAsyncSocket, withError err: Error?) {
delegate?.didDisconnectWith(socket: self)
delegate = nil
socket.setDelegate(nil, delegateQueue: nil)
}
open func socket(_ sock: GCDAsyncSocket, didConnectToHost host: String, port: UInt16) {
if !enableTLS {
delegate?.didConnectWith(socket: self)
}
}
open func socketDidSecure(_ sock: GCDAsyncSocket) {
if enableTLS {
delegate?.didConnectWith(socket: self)
}
}
private func ensureSendPeerName(tlsSettings: [String: NSObject]? = nil) -> [String: NSObject] {
var setting = tlsSettings ?? [:]
guard setting[kCFStreamSSLPeerName as String] == nil else {
return setting
}
setting[kCFStreamSSLPeerName as String] = host! as NSString
return setting
}
}
```
|
/content/code_sandbox/src/RawSocket/GCDTCPSocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,841
|
```unknown
// !$*UTF8*$!
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archiveVersion = 1;
classes = {
};
objectVersion = 46;
objects = {
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360F392F1DD20774002BED59 /* Resolver.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 360F392E1DD20774002BED59 /* Resolver.framework */; };
360F39301DD20787002BED59 /* Resolver.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = 360F392E1DD20774002BED59 /* Resolver.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
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3611765D1E000A5400A1A058 /* ProtocolObfuscater.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3611765C1E000A5400A1A058 /* ProtocolObfuscater.swift */; };
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361176611E00305500A1A058 /* StreamObfuscater.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3611765F1E00305500A1A058 /* StreamObfuscater.swift */; };
361176631E00361600A1A058 /* CryptoStreamProcessor.swift in Sources */ = {isa = PBXBuildFile; fileRef = 361176621E00361600A1A058 /* CryptoStreamProcessor.swift */; };
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}
```
|
/content/code_sandbox/NEKit.xcodeproj/project.pbxproj
|
unknown
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 49,954
|
```swift
import Foundation
import NetworkExtension
import CocoaLumberjackSwift
/// The delegate protocol of `NWUDPSocket`.
public protocol NWUDPSocketDelegate: class {
/**
Socket did receive data from remote.
- parameter data: The data.
- parameter from: The socket the data is read from.
*/
func didReceive(data: Data, from: NWUDPSocket)
func didCancel(socket: NWUDPSocket)
}
/// The wrapper for NWUDPSession.
///
/// - note: This class is thread-safe.
public class NWUDPSocket: NSObject {
private let session: NWUDPSession
private var pendingWriteData: [Data] = []
private var writing = false
private let queue: DispatchQueue = QueueFactory.getQueue()
private let timer: DispatchSourceTimer
private let timeout: Int
/// The delegate instance.
public weak var delegate: NWUDPSocketDelegate?
/// The time when the last activity happens.
///
/// Since UDP do not have a "close" semantic, this can be an indicator of timeout.
public var lastActive: Date = Date()
/**
Create a new UDP socket connecting to remote.
- parameter host: The host.
- parameter port: The port.
*/
public init?(host: String, port: Int, timeout: Int = Opt.UDPSocketActiveTimeout) {
guard let udpsession = RawSocketFactory.TunnelProvider?.createUDPSession(to: NWHostEndpoint(hostname: host, port: "\(port)"), from: nil) else {
return nil
}
session = udpsession
self.timeout = timeout
timer = DispatchSource.makeTimerSource(queue: queue)
super.init()
timer.schedule(deadline: DispatchTime.now(), repeating: DispatchTimeInterval.seconds(Opt.UDPSocketActiveCheckInterval), leeway: DispatchTimeInterval.seconds(Opt.UDPSocketActiveCheckInterval))
timer.setEventHandler { [weak self] in
self?.queueCall {
self?.checkStatus()
}
}
timer.resume()
session.addObserver(self, forKeyPath: #keyPath(NWUDPSession.state), options: [.new], context: nil)
session.setReadHandler({ [ weak self ] dataArray, error in
self?.queueCall {
guard let sSelf = self else {
return
}
sSelf.updateActivityTimer()
guard error == nil, let dataArray = dataArray else {
DDLogError("Error when reading from remote server. \(error?.localizedDescription ?? "Connection reset")")
return
}
for data in dataArray {
sSelf.delegate?.didReceive(data: data, from: sSelf)
}
}
}, maxDatagrams: 32)
}
/**
Send data to remote.
- parameter data: The data to send.
*/
public func write(data: Data) {
pendingWriteData.append(data)
checkWrite()
}
public func disconnect() {
session.cancel()
timer.cancel()
}
public override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
guard keyPath == "state" else {
return
}
switch session.state {
case .cancelled:
queueCall {
self.delegate?.didCancel(socket: self)
}
case .ready:
checkWrite()
default:
break
}
}
private func checkWrite() {
updateActivityTimer()
guard session.state == .ready else {
return
}
guard !writing else {
return
}
guard pendingWriteData.count > 0 else {
return
}
writing = true
session.writeMultipleDatagrams(self.pendingWriteData) {_ in
self.queueCall {
self.writing = false
self.checkWrite()
}
}
self.pendingWriteData.removeAll(keepingCapacity: true)
}
private func updateActivityTimer() {
lastActive = Date()
}
private func checkStatus() {
if timeout > 0 && Date().timeIntervalSince(lastActive) > TimeInterval(timeout) {
disconnect()
}
}
private func queueCall(block: @escaping () -> Void) {
queue.async {
block()
}
}
deinit {
session.removeObserver(self, forKeyPath: #keyPath(NWUDPSession.state))
}
}
```
|
/content/code_sandbox/src/RawSocket/NWUDPSocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 979
|
```swift
import Foundation
import NetworkExtension
import CocoaLumberjackSwift
/// The TCP socket build upon `NWTCPConnection`.
///
/// - warning: This class is not thread-safe.
public class NWTCPSocket: NSObject, RawTCPSocketProtocol {
private var connection: NWTCPConnection?
private var writePending = false
private var closeAfterWriting = false
private var cancelled = false
private var scanner: StreamScanner!
private var scanning: Bool = false
private var readDataPrefix: Data?
// MARK: RawTCPSocketProtocol implementation
/// The `RawTCPSocketDelegate` instance.
weak open var delegate: RawTCPSocketDelegate?
/// If the socket is connected.
public var isConnected: Bool {
return connection != nil && connection!.state == .connected
}
/// The source address.
///
/// - note: Always returns `nil`.
public var sourceIPAddress: IPAddress? {
return nil
}
/// The source port.
///
/// - note: Always returns `nil`.
public var sourcePort: Port? {
return nil
}
/// The destination address.
///
/// - note: Always returns `nil`.
public var destinationIPAddress: IPAddress? {
return nil
}
/// The destination port.
///
/// - note: Always returns `nil`.
public var destinationPort: Port? {
return nil
}
/**
Connect to remote host.
- parameter host: Remote host.
- parameter port: Remote port.
- parameter enableTLS: Should TLS be enabled.
- parameter tlsSettings: The settings of TLS.
- throws: Never throws.
*/
public func connectTo(host: String, port: Int, enableTLS: Bool, tlsSettings: [AnyHashable: Any]?) throws {
let endpoint = NWHostEndpoint(hostname: host, port: "\(port)")
let tlsParameters = NWTLSParameters()
if let tlsSettings = tlsSettings as? [String: AnyObject] {
tlsParameters.setValuesForKeys(tlsSettings)
}
guard let connection = RawSocketFactory.TunnelProvider?.createTCPConnection(to: endpoint, enableTLS: enableTLS, tlsParameters: tlsParameters, delegate: nil) else {
// This should only happen when the extension is already stopped and `RawSocketFactory.TunnelProvider` is set to `nil`.
return
}
self.connection = connection
connection.addObserver(self, forKeyPath: "state", options: [.initial, .new], context: nil)
}
/**
Disconnect the socket.
The socket will disconnect elegantly after any queued writing data are successfully sent.
*/
public func disconnect() {
cancelled = true
if connection == nil || connection!.state == .cancelled {
delegate?.didDisconnectWith(socket: self)
} else {
closeAfterWriting = true
checkStatus()
}
}
/**
Disconnect the socket immediately.
*/
public func forceDisconnect() {
cancelled = true
if connection == nil || connection!.state == .cancelled {
delegate?.didDisconnectWith(socket: self)
} else {
cancel()
}
}
/**
Send data to remote.
- parameter data: Data to send.
- warning: This should only be called after the last write is finished, i.e., `delegate?.didWriteData()` is called.
*/
public func write(data: Data) {
guard !cancelled else {
return
}
guard data.count > 0 else {
QueueFactory.getQueue().async {
self.delegate?.didWrite(data: data, by: self)
}
return
}
send(data: data)
}
/**
Read data from the socket.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
public func readData() {
guard !cancelled else {
return
}
connection!.readMinimumLength(1, maximumLength: Opt.MAXNWTCPSocketReadDataSize) { data, error in
guard error == nil else {
DDLogError("NWTCPSocket got an error when reading data: \(String(describing: error))")
self.queueCall {
self.disconnect()
}
return
}
self.readCallback(data: data)
}
}
/**
Read specific length of data from the socket.
- parameter length: The length of the data to read.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
public func readDataTo(length: Int) {
guard !cancelled else {
return
}
connection!.readLength(length) { data, error in
guard error == nil else {
DDLogError("NWTCPSocket got an error when reading data: \(String(describing: error))")
self.queueCall {
self.disconnect()
}
return
}
self.readCallback(data: data)
}
}
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
public func readDataTo(data: Data) {
readDataTo(data: data, maxLength: 0)
}
// Actually, this method is available as `- (void)readToPattern:(id)arg1 maximumLength:(unsigned int)arg2 completionHandler:(id /* block */)arg3;`
// which is sadly not available in public header for some reason I don't know.
// I don't want to do it myself since This method is not trival to implement and I don't like reinventing the wheel.
// Here is only the most naive version, which may not be the optimal if using with large data blocks.
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- parameter maxLength: The max length of data to scan for the pattern.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
public func readDataTo(data: Data, maxLength: Int) {
guard !cancelled else {
return
}
var maxLength = maxLength
if maxLength == 0 {
maxLength = Opt.MAXNWTCPScanLength
}
scanner = StreamScanner(pattern: data, maximumLength: maxLength)
scanning = true
readData()
}
private func queueCall(_ block: @escaping () -> Void) {
QueueFactory.getQueue().async(execute: block)
}
override public func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
guard keyPath == "state" else {
return
}
switch connection!.state {
case .connected:
queueCall {
self.delegate?.didConnectWith(socket: self)
}
case .disconnected:
cancelled = true
cancel()
case .cancelled:
cancelled = true
queueCall {
let delegate = self.delegate
self.delegate = nil
delegate?.didDisconnectWith(socket: self)
}
default:
break
}
}
private func readCallback(data: Data?) {
guard !cancelled else {
return
}
queueCall {
guard let data = self.consumeReadData(data) else {
// remote read is closed, but this is okay, nothing need to be done, if this socket is read again, then error occurs.
return
}
if self.scanning {
guard let (match, rest) = self.scanner.addAndScan(data) else {
self.readData()
return
}
self.scanner = nil
self.scanning = false
guard let matchData = match else {
// do not find match in the given length, stop now
return
}
self.readDataPrefix = rest
self.delegate?.didRead(data: matchData, from: self)
} else {
self.delegate?.didRead(data: data, from: self)
}
}
}
private func send(data: Data) {
writePending = true
self.connection!.write(data) { error in
self.queueCall {
self.writePending = false
guard error == nil else {
DDLogError("NWTCPSocket got an error when writing data: \(String(describing: error))")
self.disconnect()
return
}
self.delegate?.didWrite(data: data, by: self)
self.checkStatus()
}
}
}
private func consumeReadData(_ data: Data?) -> Data? {
defer {
readDataPrefix = nil
}
if readDataPrefix == nil {
return data
}
if data == nil {
return readDataPrefix
}
var wholeData = readDataPrefix!
wholeData.append(data!)
return wholeData
}
private func cancel() {
connection?.cancel()
}
private func checkStatus() {
if closeAfterWriting && !writePending {
cancel()
}
}
deinit {
guard let connection = connection else {
return
}
connection.removeObserver(self, forKeyPath: "state")
}
}
```
|
/content/code_sandbox/src/RawSocket/NWTCPSocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 2,054
|
```swift
import Foundation
import tun2socks
/// The TCP socket build upon `TSTCPSocket`.
///
/// - warning: This class is not thread-safe.
public class TUNTCPSocket: RawTCPSocketProtocol, TSTCPSocketDelegate {
fileprivate let tsSocket: TSTCPSocket
fileprivate var reading = false
fileprivate var pendingReadData: Data = Data()
fileprivate var remainWriteLength: Int = 0
fileprivate var closeAfterWriting = false
fileprivate var scanner: StreamScanner?
fileprivate var readLength: Int?
/**
Initailize an instance with `TSTCPSocket`.
- parameter socket: The socket object to work with.
*/
public init(socket: TSTCPSocket) {
tsSocket = socket
tsSocket.delegate = self
}
// MARK: RawTCPSocketProtocol implementation
/// The `RawTCPSocketDelegate` instance.
public weak var delegate: RawTCPSocketDelegate?
/// If the socket is connected.
public var isConnected: Bool {
return tsSocket.isConnected
}
/// The source address.
public var sourceIPAddress: IPAddress? {
return IPAddress(fromInAddr: tsSocket.sourceAddress)
}
/// The source port.
public var sourcePort: Port? {
return Port(port: tsSocket.sourcePort)
}
/// The destination address.
public var destinationIPAddress: IPAddress? {
return IPAddress(fromInAddr: tsSocket.destinationAddress)
}
/// The destination port.
public var destinationPort: Port? {
return Port(port: tsSocket.destinationPort)
}
/// `TUNTCPSocket` cannot connect to anything actively, this is just a stub method.
///
/// - Parameters:
/// - host: host
/// - port: port
/// - enableTLS: enableTLS
/// - tlsSettings: tlsSettings
/// - Throws: Never throws anything.
public func connectTo(host: String, port: Int, enableTLS: Bool, tlsSettings: [AnyHashable: Any]?) throws {}
/**
Disconnect the socket.
The socket will disconnect elegantly after any queued writing data are successfully sent.
*/
public func disconnect() {
if !isConnected {
delegate?.didDisconnectWith(socket: self)
} else {
closeAfterWriting = true
checkStatus()
}
}
/**
Disconnect the socket immediately.
*/
public func forceDisconnect() {
if !isConnected {
delegate?.didDisconnectWith(socket: self)
} else {
tsSocket.close()
}
}
/**
Send data to local.
- parameter data: Data to send.
- warning: This should only be called after the last write is finished, i.e., `delegate?.didWriteData()` is called.
*/
public func write(data: Data) {
remainWriteLength = data.count
tsSocket.writeData(data)
}
/**
Read data from the socket.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
public func readData() {
reading = true
checkReadData()
}
/**
Read specific length of data from the socket.
- parameter length: The length of the data to read.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
public func readDataTo(length: Int) {
readLength = length
reading = true
checkReadData()
}
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
public func readDataTo(data: Data) {
readDataTo(data: data, maxLength: 0)
}
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- parameter maxLength: Ignored since `GCDAsyncSocket` does not support this. The max length of data to scan for the pattern.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
public func readDataTo(data: Data, maxLength: Int) {
reading = true
scanner = StreamScanner(pattern: data, maximumLength: maxLength)
checkReadData()
}
fileprivate func queueCall(_ block: @escaping () -> Void) {
QueueFactory.getQueue().async(execute: block)
}
fileprivate func checkReadData() {
if pendingReadData.count > 0 {
queueCall {
guard self.reading else {
// no queued read request
return
}
if let readLength = self.readLength {
if self.pendingReadData.count >= readLength {
let returnData = self.pendingReadData.subdata(in: 0..<readLength)
self.pendingReadData = self.pendingReadData.subdata(in: readLength..<self.pendingReadData.count)
self.readLength = nil
self.delegate?.didRead(data: returnData, from: self)
self.reading = false
}
} else if let scanner = self.scanner {
guard let (match, rest) = scanner.addAndScan(self.pendingReadData) else {
return
}
self.scanner = nil
guard let matchData = match else {
// do not find match in the given length, stop now
return
}
self.pendingReadData = rest
self.delegate?.didRead(data: matchData, from: self)
self.reading = false
} else {
self.delegate?.didRead(data: self.pendingReadData, from: self)
self.pendingReadData = Data()
self.reading = false
}
}
}
}
fileprivate func checkStatus() {
if closeAfterWriting && remainWriteLength == 0 {
forceDisconnect()
}
}
// MARK: TSTCPSocketDelegate implementation
// The local stop sending anything.
// Theoretically, the local may still be reading data from remote.
// However, there is simply no way to know if the local is still open, so we can only assume that the local side close tx only when it decides that it does not need to read anymore.
open func localDidClose(_ socket: TSTCPSocket) {
disconnect()
}
open func socketDidReset(_ socket: TSTCPSocket) {
socketDidClose(socket)
}
open func socketDidAbort(_ socket: TSTCPSocket) {
socketDidClose(socket)
}
open func socketDidClose(_ socket: TSTCPSocket) {
queueCall {
self.delegate?.didDisconnectWith(socket: self)
self.delegate = nil
}
}
open func didReadData(_ data: Data, from: TSTCPSocket) {
queueCall {
self.pendingReadData.append(data)
self.checkReadData()
}
}
open func didWriteData(_ length: Int, from: TSTCPSocket) {
queueCall {
self.remainWriteLength -= length
if self.remainWriteLength <= 0 {
self.delegate?.didWrite(data: nil, by: self)
self.checkStatus()
}
}
}
}
```
|
/content/code_sandbox/src/RawSocket/TUNTCPSocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,625
|
```swift
import Foundation
import NetworkExtension
/**
Represents the type of the socket.
- NW: The socket based on `NWTCPConnection`.
- GCD: The socket based on `GCDAsyncSocket`.
*/
public enum SocketBaseType {
case nw, gcd
}
/// Factory to create `RawTCPSocket` based on configuration.
open class RawSocketFactory {
/// Current active `NETunnelProvider` which creates `NWTCPConnection` instance.
///
/// - note: Must set before any connection is created if `NWTCPSocket` or `NWUDPSocket` is used.
public static weak var TunnelProvider: NETunnelProvider?
/**
Return `RawTCPSocket` instance.
- parameter type: The type of the socket.
- returns: The created socket instance.
*/
public static func getRawSocket(_ type: SocketBaseType? = nil) -> RawTCPSocketProtocol {
switch type {
case .some(.nw):
return NWTCPSocket()
case .some(.gcd):
return GCDTCPSocket()
case nil:
if RawSocketFactory.TunnelProvider == nil {
return GCDTCPSocket()
} else {
return NWTCPSocket()
}
}
}
}
```
|
/content/code_sandbox/src/RawSocket/RawSocketFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 272
|
```swift
import Foundation
import Yaml
public enum ConfigurationParserError: Error {
case invalidYamlFile, noRuleDefined, ruleTypeMissing, unknownRuleType, ruleParsingError(errorInfo: String), noAdapterDefined, adapterIDMissing, adapterTypeMissing, adapterTypeUnknown, adapterParsingError(errorInfo: String)
}
/// The configuration file parser.
///
/// Note: It is not recommended to use this class in production app. This is merely used as a helper to build a toy app.
open class Configuration {
var adapterFactoryManager: AdapterFactoryManager!
open var proxyPort: Int?
open var ruleManager: RuleManager!
public init() {}
open func load(fromConfigString configString: String) throws {
let config = try Yaml.load(configString)
loadConfig(config)
adapterFactoryManager = try AdapterFactoryParser.parseAdapterFactoryManager(config["adapter"])
ruleManager = try RuleParser.parseRuleManager(config["rule"], adapterFactoryManager: adapterFactoryManager)
}
open func load(fromConfigFile filepath: String) throws {
let configString = try String(contentsOfFile: filepath)
try load(fromConfigString: configString)
}
func loadConfig(_ config: Yaml) {
if let port = config["port"].int {
proxyPort = port
}
}
}
extension Yaml {
var stringOrIntString: Swift.String? {
return string ?? int?.description
}
}
```
|
/content/code_sandbox/src/Config/Configuration.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 305
|
```swift
import Foundation
/// The raw socket protocol which represents a TCP socket.
///
/// Any concrete implementation does not need to be thread-safe.
///
/// - warning: It is expected that the instance is accessed on the specific queue only.
public protocol RawTCPSocketProtocol : class {
/// The `RawTCPSocketDelegate` instance.
var delegate: RawTCPSocketDelegate? { get set }
/// If the socket is connected.
var isConnected: Bool { get }
/// The source address.
var sourceIPAddress: IPAddress? { get }
/// The source port.
var sourcePort: Port? { get }
/// The destination address.
var destinationIPAddress: IPAddress? { get }
/// The destination port.
var destinationPort: Port? { get }
/**
Connect to remote host.
- parameter host: Remote host.
- parameter port: Remote port.
- parameter enableTLS: Should TLS be enabled.
- parameter tlsSettings: The settings of TLS.
- throws: The error occured when connecting to host.
*/
func connectTo(host: String, port: Int, enableTLS: Bool, tlsSettings: [AnyHashable: Any]?) throws
/**
Disconnect the socket.
The socket should disconnect elegantly after any queued writing data are successfully sent.
- note: Usually, any concrete implementation should wait until any pending writing data are finished then call `forceDisconnect()`.
*/
func disconnect()
/**
Disconnect the socket immediately.
- note: The socket should disconnect as soon as possible.
*/
func forceDisconnect()
/**
Send data to remote.
- parameter data: Data to send.
- warning: This should only be called after the last write is finished, i.e., `delegate?.didWriteData()` is called.
*/
func write(data: Data)
/**
Read data from the socket.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
func readData()
/**
Read specific length of data from the socket.
- parameter length: The length of the data to read.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
func readDataTo(length: Int)
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
func readDataTo(data: Data)
/**
Read data until a specific pattern (including the pattern).
- parameter data: The pattern.
- parameter maxLength: The max length of data to scan for the pattern.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
func readDataTo(data: Data, maxLength: Int)
}
/// The delegate protocol to handle the events from a raw TCP socket.
public protocol RawTCPSocketDelegate: class {
/**
The socket did disconnect.
This should only be called once in the entire lifetime of a socket. After this is called, the delegate will not receive any other events from that socket and the socket should be released.
- parameter socket: The socket which did disconnect.
*/
func didDisconnectWith(socket: RawTCPSocketProtocol)
/**
The socket did read some data.
- parameter data: The data read from the socket.
- parameter from: The socket where the data is read from.
*/
func didRead(data: Data, from: RawTCPSocketProtocol)
/**
The socket did send some data.
- parameter data: The data which have been sent to remote (acknowledged). Note this may not be available since the data may be released to save memory.
- parameter by: The socket where the data is sent out.
*/
func didWrite(data: Data?, by: RawTCPSocketProtocol)
/**
The socket did connect to remote.
- parameter socket: The connected socket.
*/
func didConnectWith(socket: RawTCPSocketProtocol)
}
```
|
/content/code_sandbox/src/RawSocket/RawTCPSocketProtocol.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 913
|
```swift
import Foundation
import Yaml
struct AdapterFactoryParser {
// swiftlint:disable:next cyclomatic_complexity
static func parseAdapterFactoryManager(_ config: Yaml) throws -> AdapterFactoryManager {
var factoryDict: [String: AdapterFactory] = [:]
factoryDict["direct"] = DirectAdapterFactory()
guard let adapterConfigs = config.array else {
throw ConfigurationParserError.noAdapterDefined
}
for adapterConfig in adapterConfigs {
guard let id = adapterConfig["id"].stringOrIntString else {
throw ConfigurationParserError.adapterIDMissing
}
switch adapterConfig["type"].string?.lowercased() {
case .some("speed"):
factoryDict[id] = try parseSpeedAdapterFactory(adapterConfig, factoryDict: factoryDict)
case .some("http"):
factoryDict[id] = try parseServerAdapterFactory(adapterConfig, type: HTTPAdapterFactory.self)
case .some("shttp"):
factoryDict[id] = try parseServerAdapterFactory(adapterConfig, type: SecureHTTPAdapterFactory.self)
case .some("ss"):
factoryDict[id] = try parseShadowsocksAdapterFactory(adapterConfig)
case .some("socks5"):
factoryDict[id] = try parseSOCKS5AdapterFactory(adapterConfig)
case .some("reject"):
factoryDict[id] = try parseRejectAdapterFactory(adapterConfig)
case nil:
throw ConfigurationParserError.adapterTypeMissing
default:
throw ConfigurationParserError.adapterTypeUnknown
}
}
return AdapterFactoryManager(factoryDict: factoryDict)
}
static func parseServerAdapterFactory(_ config: Yaml, type: HTTPAuthenticationAdapterFactory.Type) throws -> ServerAdapterFactory {
guard let host = config["host"].string else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Host (host) is required.")
}
guard let port = config["port"].int else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Port (port) is required.")
}
var authentication: HTTPAuthentication? = nil
if let auth = config["auth"].bool {
if auth {
guard let username = config["username"].stringOrIntString else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Username (username) is required.")
}
guard let password = config["password"].stringOrIntString else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Password (password) is required.")
}
authentication = HTTPAuthentication(username: username, password: password)
}
}
return type.init(serverHost: host, serverPort: port, auth: authentication)
}
static func parseSOCKS5AdapterFactory(_ config: Yaml) throws -> SOCKS5AdapterFactory {
guard let host = config["host"].string else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Host (host) is required.")
}
guard let port = config["port"].int else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Port (port) is required.")
}
return SOCKS5AdapterFactory(serverHost: host, serverPort: port)
}
static func parseShadowsocksAdapterFactory(_ config: Yaml) throws -> ShadowsocksAdapterFactory {
guard let host = config["host"].string else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Host (host) is required.")
}
guard let port = config["port"].int else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Port (port) is required.")
}
guard let encryptMethod = config["method"].string else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Encryption method (method) is required.")
}
guard let algorithm = CryptoAlgorithm(rawValue: encryptMethod.uppercased()) else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Encryption method \(encryptMethod) is not supported.")
}
guard let password = config["password"].stringOrIntString else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Password (password) is required.")
}
if let _ = config["ota"].string {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Do not use \"ota: true\", use \"protocol: verify_sha1\" instead.")
}
let proto = config["obfs"].string?.lowercased() ?? "origin"
let stream = config["protocol"].string?.lowercased() ?? "origin"
let protocolObfuscaterFactory: ShadowsocksAdapter.ProtocolObfuscater.Factory
switch proto {
case "origin":
protocolObfuscaterFactory = ShadowsocksAdapter.ProtocolObfuscater.OriginProtocolObfuscater.Factory()
case "http_simple":
var headerHosts = [host]
var customHeader: String?
let headerMethod = "GET"
if let param = config["obfs_param"].string {
let params = param.split(separator: "#", maxSplits: 1, omittingEmptySubsequences: true)
if params.count > 0 {
headerHosts = String(params[0]).components(separatedBy: ",")
if params.count > 1 {
customHeader = String(params[1])
customHeader = customHeader?.replacingOccurrences(of: "\n", with: "\r\n")
customHeader = customHeader?.replacingOccurrences(of: "\\n", with: "\r\n")
}
}
}
protocolObfuscaterFactory = ShadowsocksAdapter.ProtocolObfuscater.HTTPProtocolObfuscater.Factory(method: headerMethod, hosts: headerHosts, customHeader: customHeader)
case "tls1.2_ticket_auth":
var headerHosts = [host]
if let param = config["obfs_param"].string {
headerHosts = String(param).components(separatedBy: ",")
}
protocolObfuscaterFactory = ShadowsocksAdapter.ProtocolObfuscater.TLSProtocolObfuscater.Factory(hosts: headerHosts)
default:
throw ConfigurationParserError.adapterParsingError(errorInfo: "obfs \"\(proto)\" is not supported")
}
let streamObfuscaterFactory: ShadowsocksAdapter.StreamObfuscater.Factory
switch stream {
case "origin":
streamObfuscaterFactory = ShadowsocksAdapter.StreamObfuscater.OriginStreamObfuscater.Factory()
case "verify_sha1":
streamObfuscaterFactory = ShadowsocksAdapter.StreamObfuscater.OTAStreamObfuscater.Factory()
default:
throw ConfigurationParserError.adapterParsingError(errorInfo: "protocol \"\(stream)\" is not supported")
}
let cryptoFactory = ShadowsocksAdapter.CryptoStreamProcessor.Factory(password: password, algorithm: algorithm)
return ShadowsocksAdapterFactory(serverHost: host, serverPort: port, protocolObfuscaterFactory: protocolObfuscaterFactory, cryptorFactory: cryptoFactory, streamObfuscaterFactory: streamObfuscaterFactory)
}
static func parseSpeedAdapterFactory(_ config: Yaml, factoryDict: [String:AdapterFactory]) throws -> SpeedAdapterFactory {
var factories: [(AdapterFactory, Int)] = []
guard let adapters = config["adapters"].array else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Speed Adatper should specify a set of adapters (adapters).")
}
for adapter in adapters {
guard let id = adapter["id"].string else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "An adapter id (adapter_id) is required.")
}
guard let factory = factoryDict[id] else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Unknown adapter id.")
}
guard let delay = adapter["delay"].int else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Each adapter in Speed Adapter must specify a delay in millisecond.")
}
factories.append((factory, delay))
}
let adapter = SpeedAdapterFactory()
adapter.adapterFactories = factories
return adapter
}
static func parseRejectAdapterFactory(_ config: Yaml) throws -> RejectAdapterFactory {
guard let delay = config["delay"].int else {
throw ConfigurationParserError.adapterParsingError(errorInfo: "Reject adapter must specify a delay in millisecond.")
}
return RejectAdapterFactory(delay: delay)
}
}
```
|
/content/code_sandbox/src/Config/AdapterFactoryParser.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,744
|
```swift
import Foundation
import Yaml
struct RuleParser {
static func parseRuleManager(_ config: Yaml, adapterFactoryManager: AdapterFactoryManager) throws -> RuleManager {
guard let ruleConfigs = config.array else {
throw ConfigurationParserError.noRuleDefined
}
var rules: [Rule] = []
for ruleConfig in ruleConfigs {
rules.append(try parseRule(ruleConfig, adapterFactoryManager: adapterFactoryManager))
}
return RuleManager(fromRules: rules, appendDirect: true)
}
static func parseRule(_ config: Yaml, adapterFactoryManager: AdapterFactoryManager) throws -> Rule {
guard let type = config["type"].string?.lowercased() else {
throw ConfigurationParserError.ruleTypeMissing
}
switch type {
case "country":
return try parseCountryRule(config, adapterFactoryManager: adapterFactoryManager)
case "all":
return try parseAllRule(config, adapterFactoryManager: adapterFactoryManager)
case "list", "domainlist":
return try parseDomainListRule(config, adapterFactoryManager: adapterFactoryManager)
case "iplist":
return try parseIPRangeListRule(config, adapterFactoryManager: adapterFactoryManager)
case "dnsfail":
return try parseDNSFailRule(config, adapterFactoryManager: adapterFactoryManager)
default:
throw ConfigurationParserError.unknownRuleType
}
}
static func parseCountryRule(_ config: Yaml, adapterFactoryManager: AdapterFactoryManager) throws -> CountryRule {
guard let country = config["country"].string else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Country code (country) is required for country rule.")
}
guard let adapter_id = config["adapter"].stringOrIntString else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "An adapter id (adapter_id) is required.")
}
guard let adapter = adapterFactoryManager[adapter_id] else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Unknown adapter id.")
}
guard let match = config["match"].bool else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "You have to specify whether to apply this rule to ip match the given country or not with \"match\".")
}
return CountryRule(countryCode: country, match: match, adapterFactory: adapter)
}
static func parseAllRule(_ config: Yaml, adapterFactoryManager: AdapterFactoryManager) throws -> AllRule {
guard let adapter_id = config["adapter"].stringOrIntString else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "An adapter id (adapter_id) is required.")
}
guard let adapter = adapterFactoryManager[adapter_id] else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Unknown adapter id.")
}
return AllRule(adapterFactory: adapter)
}
static func parseDomainListRule(_ config: Yaml, adapterFactoryManager: AdapterFactoryManager) throws -> DomainListRule {
guard let adapter_id = config["adapter"].stringOrIntString else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "An adapter id (adapter_id) is required.")
}
guard let adapter = adapterFactoryManager[adapter_id] else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Unknown adapter id.")
}
guard var filepath = config["file"].stringOrIntString else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Must provide a file (file) containing domain rules in list.")
}
filepath = (filepath as NSString).expandingTildeInPath
do {
let content = try String(contentsOfFile: filepath)
let regexs = content.components(separatedBy: CharacterSet.newlines)
var criteria: [DomainListRule.MatchCriterion] = []
for regex in regexs {
if !regex.isEmpty {
let re = try NSRegularExpression(pattern: regex, options: .caseInsensitive)
criteria.append(DomainListRule.MatchCriterion.regex(re))
}
}
return DomainListRule(adapterFactory: adapter, criteria: criteria)
} catch let error {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Encounter error when parse rule list file. \(error)")
}
}
static func parseIPRangeListRule(_ config: Yaml, adapterFactoryManager: AdapterFactoryManager) throws -> IPRangeListRule {
guard let adapter_id = config["adapter"].stringOrIntString else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "An adapter id (adapter_id) is required.")
}
guard let adapter = adapterFactoryManager[adapter_id] else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Unknown adapter id.")
}
guard var filepath = config["file"].stringOrIntString else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Must provide a file (file) containing IP range rules in list.")
}
filepath = (filepath as NSString).expandingTildeInPath
do {
let content = try String(contentsOfFile: filepath)
var ranges = content.components(separatedBy: CharacterSet.newlines)
ranges = ranges.filter {
!$0.isEmpty
}
return try IPRangeListRule(adapterFactory: adapter, ranges: ranges)
} catch let error {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Encounter error when parse IP range rule list file. \(error)")
}
}
static func parseDNSFailRule(_ config: Yaml, adapterFactoryManager: AdapterFactoryManager) throws -> DNSFailRule {
guard let adapter_id = config["adapter"].stringOrIntString else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "An adapter id (adapter_id) is required.")
}
guard let adapter = adapterFactoryManager[adapter_id] else {
throw ConfigurationParserError.ruleParsingError(errorInfo: "Unknown adapter id.")
}
return DNSFailRule(adapterFactory: adapter)
}
}
```
|
/content/code_sandbox/src/Config/RuleParser.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,264
|
```swift
import Foundation
/**
The current connection status of the socket.
- Invalid: The socket is just created but never connects.
- Connecting: The socket is connecting.
- Established: The connection is established.
- Disconnecting: The socket is disconnecting.
- Closed: The socket is closed.
*/
public enum SocketStatus {
/// The socket is just created but never connects.
case invalid,
/// The socket is connecting.
connecting,
/// The connection is established.
established,
/// The socket is disconnecting.
disconnecting,
/// The socket is closed.
closed
}
/// Protocol for socket with various functions.
///
/// Any concrete implementation does not need to be thread-safe.
public protocol SocketProtocol: class {
/// The underlying TCP socket transmitting data.
var socket: RawTCPSocketProtocol! { get }
/// The delegate instance.
var delegate: SocketDelegate? { get set }
/// The current connection status of the socket.
var status: SocketStatus { get }
// /// The description of the currect status.
// var statusDescription: String { get }
/// If the socket is disconnected.
var isDisconnected: Bool { get }
/// The type of the socket.
var typeName: String { get }
var readStatusDescription: String { get }
var writeStatusDescription: String { get }
/**
Read data from the socket.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
func readData()
/**
Send data to remote.
- parameter data: Data to send.
- warning: This should only be called after the last write is finished, i.e., `delegate?.didWriteData()` is called.
*/
func write(data: Data)
/**
Disconnect the socket elegantly.
*/
func disconnect(becauseOf error: Error?)
/**
Disconnect the socket immediately.
*/
func forceDisconnect(becauseOf error: Error?)
}
extension SocketProtocol {
/// If the socket is disconnected.
public var isDisconnected: Bool {
return status == .closed || status == .invalid
}
public var typeName: String {
return String(describing: type(of: self))
}
public var readStatusDescription: String {
return "\(status)"
}
public var writeStatusDescription: String {
return "\(status)"
}
}
/// The delegate protocol to handle the events from a socket.
public protocol SocketDelegate : class {
/**
The socket did connect to remote.
- parameter adapterSocket: The connected socket.
*/
func didConnectWith(adapterSocket: AdapterSocket)
/**
The socket did disconnect.
This should only be called once in the entire lifetime of a socket. After this is called, the delegate will not receive any other events from that socket and the socket should be released.
- parameter socket: The socket which did disconnect.
*/
func didDisconnectWith(socket: SocketProtocol)
/**
The socket did read some data.
- parameter data: The data read from the socket.
- parameter from: The socket where the data is read from.
*/
func didRead(data: Data, from: SocketProtocol)
/**
The socket did send some data.
- parameter data: The data which have been sent to remote (acknowledged). Note this may not be available since the data may be released to save memory.
- parameter by: The socket where the data is sent out.
*/
func didWrite(data: Data?, by: SocketProtocol)
/**
The socket is ready to forward data back and forth.
- parameter socket: The socket which becomes ready to forward data.
*/
func didBecomeReadyToForwardWith(socket: SocketProtocol)
/**
Did receive a `ConnectSession` from local now it is time to connect to remote.
- parameter session: The received `ConnectSession`.
- parameter from: The socket where the `ConnectSession` is received.
*/
func didReceive(session: ConnectSession, from: ProxySocket)
/**
The adapter socket decided to replace itself with a new `AdapterSocket` to connect to remote.
- parameter newAdapter: The new `AdapterSocket` to replace the old one.
*/
func updateAdapterWith(newAdapter: AdapterSocket)
}
```
|
/content/code_sandbox/src/Socket/SocketProtocol.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 927
|
```swift
import Foundation
/// The socket which encapsulates the logic to handle connection to proxies.
open class ProxySocket: NSObject, SocketProtocol, RawTCPSocketDelegate {
/// Received `ConnectSession`.
public var session: ConnectSession?
public var observer: Observer<ProxySocketEvent>?
private var _cancelled = false
var isCancelled: Bool {
return _cancelled
}
open override var description: String {
if let session = session {
return "<\(typeName) host:\(session.host) port: \(session.port))>"
} else {
return "<\(typeName)>"
}
}
/**
Init a `ProxySocket` with a raw TCP socket.
- parameter socket: The raw TCP socket.
*/
public init(socket: RawTCPSocketProtocol, observe: Bool = true) {
self.socket = socket
super.init()
self.socket.delegate = self
if observe {
observer = ObserverFactory.currentFactory?.getObserverForProxySocket(self)
}
}
/**
Begin reading and processing data from the socket.
*/
open func openSocket() {
guard !isCancelled else {
return
}
observer?.signal(.socketOpened(self))
}
/**
Response to the `AdapterSocket` on the other side of the `Tunnel` which has succefully connected to the remote server.
- parameter adapter: The `AdapterSocket`.
*/
open func respondTo(adapter: AdapterSocket) {
guard !isCancelled else {
return
}
observer?.signal(.askedToResponseTo(adapter, on: self))
}
/**
Read data from the socket.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
open func readData() {
guard !isCancelled else {
return
}
socket.readData()
}
/**
Send data to remote.
- parameter data: Data to send.
- warning: This should only be called after the last write is finished, i.e., `delegate?.didWriteData()` is called.
*/
open func write(data: Data) {
guard !isCancelled else {
return
}
socket.write(data: data)
}
/**
Disconnect the socket elegantly.
*/
open func disconnect(becauseOf error: Error? = nil) {
guard !isCancelled else {
return
}
_status = .disconnecting
_cancelled = true
session?.disconnected(becauseOf: error, by: .proxy)
socket.disconnect()
observer?.signal(.disconnectCalled(self))
}
/**
Disconnect the socket immediately.
*/
open func forceDisconnect(becauseOf error: Error? = nil) {
guard !isCancelled else {
return
}
_status = .disconnecting
_cancelled = true
session?.disconnected(becauseOf: error, by: .proxy)
socket.forceDisconnect()
observer?.signal(.forceDisconnectCalled(self))
}
// MARK: SocketProtocol Implementation
/// The underlying TCP socket transmitting data.
public var socket: RawTCPSocketProtocol!
/// The delegate instance.
weak public var delegate: SocketDelegate?
var _status: SocketStatus = .established
/// The current connection status of the socket.
public var status: SocketStatus {
return _status
}
// MARK: RawTCPSocketDelegate Protocol Implementation
/**
The socket did disconnect.
- parameter socket: The socket which did disconnect.
*/
open func didDisconnectWith(socket: RawTCPSocketProtocol) {
_status = .closed
observer?.signal(.disconnected(self))
delegate?.didDisconnectWith(socket: self)
}
/**
The socket did read some data.
- parameter data: The data read from the socket.
- parameter withTag: The tag given when calling the `readData` method.
- parameter from: The socket where the data is read from.
*/
open func didRead(data: Data, from: RawTCPSocketProtocol) {
observer?.signal(.readData(data, on: self))
}
/**
The socket did send some data.
- parameter data: The data which have been sent to remote (acknowledged). Note this may not be available since the data may be released to save memory.
- parameter from: The socket where the data is sent out.
*/
open func didWrite(data: Data?, by: RawTCPSocketProtocol) {
observer?.signal(.wroteData(data, on: self))
}
/**
The socket did connect to remote.
- note: This never happens for `ProxySocket`.
- parameter socket: The connected socket.
*/
open func didConnectWith(socket: RawTCPSocketProtocol) {
}
}
```
|
/content/code_sandbox/src/Socket/ProxySocket/ProxySocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,051
|
```swift
import Foundation
public class SOCKS5ProxySocket: ProxySocket {
enum SOCKS5ProxyReadStatus: CustomStringConvertible {
case invalid,
readingVersionIdentifierAndNumberOfMethods,
readingMethods,
readingConnectHeader,
readingIPv4Address,
readingDomainLength,
readingDomain,
readingIPv6Address,
readingPort,
forwarding,
stopped
var description: String {
switch self {
case .invalid:
return "invalid"
case .readingVersionIdentifierAndNumberOfMethods:
return "reading version and methods"
case .readingMethods:
return "reading methods"
case .readingConnectHeader:
return "reading connect header"
case .readingIPv4Address:
return "IPv4 address"
case .readingDomainLength:
return "domain length"
case .readingDomain:
return "domain"
case .readingIPv6Address:
return "IPv6 address"
case .readingPort:
return "reading port"
case .forwarding:
return "forwarding"
case .stopped:
return "stopped"
}
}
}
enum SOCKS5ProxyWriteStatus: CustomStringConvertible {
case invalid,
sendingResponse,
forwarding,
stopped
var description: String {
switch self {
case .invalid:
return "invalid"
case .sendingResponse:
return "sending response"
case .forwarding:
return "forwarding"
case .stopped:
return "stopped"
}
}
}
/// The remote host to connect to.
public var destinationHost: String!
/// The remote port to connect to.
public var destinationPort: Int!
private var readStatus: SOCKS5ProxyReadStatus = .invalid
private var writeStatus: SOCKS5ProxyWriteStatus = .invalid
public var readStatusDescription: String {
return readStatus.description
}
public var writeStatusDescription: String {
return writeStatus.description
}
/**
Begin reading and processing data from the socket.
*/
override public func openSocket() {
super.openSocket()
guard !isCancelled else {
return
}
readStatus = .readingVersionIdentifierAndNumberOfMethods
socket.readDataTo(length: 2)
}
// swiftlint:disable function_body_length
// swiftlint:disable cyclomatic_complexity
/**
The socket did read some data.
- parameter data: The data read from the socket.
- parameter from: The socket where the data is read from.
*/
override public func didRead(data: Data, from: RawTCPSocketProtocol) {
super.didRead(data: data, from: from)
switch readStatus {
case .forwarding:
delegate?.didRead(data: data, from: self)
case .readingVersionIdentifierAndNumberOfMethods:
data.withUnsafeBytes { pointer in
let p = pointer.bindMemory(to: Int8.self)
guard p.baseAddress!.pointee == 5 else {
// TODO: notify observer
self.disconnect()
return
}
guard p.baseAddress!.successor().pointee > 0 else {
// TODO: notify observer
self.disconnect()
return
}
self.readStatus = .readingMethods
self.socket.readDataTo(length: Int(p.baseAddress!.successor().pointee))
}
case .readingMethods:
// TODO: check for 0x00 in read data
let response = Data([0x05, 0x00])
// we would not be able to read anything before the data is written out, so no need to handle the dataWrote event.
write(data: response)
readStatus = .readingConnectHeader
socket.readDataTo(length: 4)
case .readingConnectHeader:
data.withUnsafeBytes { pointer in
let p = pointer.bindMemory(to: Int8.self)
guard p.baseAddress!.pointee == 5 && p.baseAddress!.successor().pointee == 1 else {
// TODO: notify observer
self.disconnect()
return
}
switch p.baseAddress!.advanced(by: 3).pointee {
case 1:
readStatus = .readingIPv4Address
socket.readDataTo(length: 4)
case 3:
readStatus = .readingDomainLength
socket.readDataTo(length: 1)
case 4:
readStatus = .readingIPv6Address
socket.readDataTo(length: 16)
default:
break
}
}
case .readingIPv4Address:
var address = Data(count: Int(INET_ADDRSTRLEN))
_ = data.withUnsafeBytes { data_ptr in
address.withUnsafeMutableBytes { addr_ptr in
inet_ntop(AF_INET, data_ptr.baseAddress!, addr_ptr.bindMemory(to: Int8.self).baseAddress!, socklen_t(INET_ADDRSTRLEN))
}
}
destinationHost = String(data: address, encoding: .utf8)
readStatus = .readingPort
socket.readDataTo(length: 2)
case .readingIPv6Address:
var address = Data(count: Int(INET6_ADDRSTRLEN))
_ = data.withUnsafeBytes { data_ptr in
address.withUnsafeMutableBytes { addr_ptr in
inet_ntop(AF_INET6, data_ptr.baseAddress!, addr_ptr.bindMemory(to: Int8.self).baseAddress!, socklen_t(INET6_ADDRSTRLEN))
}
}
destinationHost = String(data: address, encoding: .utf8)
readStatus = .readingPort
socket.readDataTo(length: 2)
case .readingDomainLength:
readStatus = .readingDomain
socket.readDataTo(length: Int(data.first!))
case .readingDomain:
destinationHost = String(data: data, encoding: .utf8)
readStatus = .readingPort
socket.readDataTo(length: 2)
case .readingPort:
data.withUnsafeBytes {
destinationPort = Int($0.load(as: UInt16.self).bigEndian)
}
readStatus = .forwarding
session = ConnectSession(host: destinationHost, port: destinationPort)
observer?.signal(.receivedRequest(session!, on: self))
delegate?.didReceive(session: session!, from: self)
default:
return
}
}
/**
The socket did send some data.
- parameter data: The data which have been sent to remote (acknowledged). Note this may not be available since the data may be released to save memory.
- parameter from: The socket where the data is sent out.
*/
override public func didWrite(data: Data?, by: RawTCPSocketProtocol) {
super.didWrite(data: data, by: by)
switch writeStatus {
case .forwarding:
delegate?.didWrite(data: data, by: self)
case .sendingResponse:
writeStatus = .forwarding
observer?.signal(.readyForForward(self))
delegate?.didBecomeReadyToForwardWith(socket: self)
default:
return
}
}
/**
Response to the `AdapterSocket` on the other side of the `Tunnel` which has succefully connected to the remote server.
- parameter adapter: The `AdapterSocket`.
*/
override public func respondTo(adapter: AdapterSocket) {
super.respondTo(adapter: adapter)
guard !isCancelled else {
return
}
var responseBytes = [UInt8](repeating: 0, count: 10)
responseBytes[0...3] = [0x05, 0x00, 0x00, 0x01]
let responseData = Data(responseBytes)
writeStatus = .sendingResponse
write(data: responseData)
}
}
```
|
/content/code_sandbox/src/Socket/ProxySocket/SOCKS5ProxySocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,693
|
```swift
import Foundation
/// This class just forwards data directly.
/// - note: It is designed to work with tun2socks only.
public class DirectProxySocket: ProxySocket {
enum DirectProxyReadStatus: CustomStringConvertible {
case invalid,
forwarding,
stopped
var description: String {
switch self {
case .invalid:
return "invalid"
case .forwarding:
return "forwarding"
case .stopped:
return "stopped"
}
}
}
enum DirectProxyWriteStatus {
case invalid,
forwarding,
stopped
var description: String {
switch self {
case .invalid:
return "invalid"
case .forwarding:
return "forwarding"
case .stopped:
return "stopped"
}
}
}
private var readStatus: DirectProxyReadStatus = .invalid
private var writeStatus: DirectProxyWriteStatus = .invalid
public var readStatusDescription: String {
return readStatus.description
}
public var writeStatusDescription: String {
return writeStatus.description
}
/**
Begin reading and processing data from the socket.
- note: Since there is nothing to read and process before forwarding data, this just calls `delegate?.didReceiveRequest`.
*/
override public func openSocket() {
super.openSocket()
guard !isCancelled else {
return
}
if let address = socket.destinationIPAddress, let port = socket.destinationPort {
session = ConnectSession(host: address.presentation, port: Int(port.value))
observer?.signal(.receivedRequest(session!, on: self))
delegate?.didReceive(session: session!, from: self)
} else {
forceDisconnect()
}
}
/**
Response to the `AdapterSocket` on the other side of the `Tunnel` which has succefully connected to the remote server.
- parameter adapter: The `AdapterSocket`.
*/
override public func respondTo(adapter: AdapterSocket) {
super.respondTo(adapter: adapter)
guard !isCancelled else {
return
}
readStatus = .forwarding
writeStatus = .forwarding
observer?.signal(.readyForForward(self))
delegate?.didBecomeReadyToForwardWith(socket: self)
}
/**
The socket did read some data.
- parameter data: The data read from the socket.
- parameter from: The socket where the data is read from.
*/
override open func didRead(data: Data, from: RawTCPSocketProtocol) {
super.didRead(data: data, from: from)
delegate?.didRead(data: data, from: self)
}
/**
The socket did send some data.
- parameter data: The data which have been sent to remote (acknowledged). Note this may not be available since the data may be released to save memory.
- parameter by: The socket where the data is sent out.
*/
override open func didWrite(data: Data?, by: RawTCPSocketProtocol) {
super.didWrite(data: data, by: by)
delegate?.didWrite(data: data, by: self)
}
}
```
|
/content/code_sandbox/src/Socket/ProxySocket/DirectProxySocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 681
|
```swift
import Foundation
public class HTTPProxySocket: ProxySocket {
enum HTTPProxyReadStatus: CustomStringConvertible {
case invalid,
readingFirstHeader,
pendingFirstHeader,
readingHeader,
readingContent,
stopped
var description: String {
switch self {
case .invalid:
return "invalid"
case .readingFirstHeader:
return "reading first header"
case .pendingFirstHeader:
return "waiting to send first header"
case .readingHeader:
return "reading header (forwarding)"
case .readingContent:
return "reading content (forwarding)"
case .stopped:
return "stopped"
}
}
}
enum HTTPProxyWriteStatus: CustomStringConvertible {
case invalid,
sendingConnectResponse,
forwarding,
stopped
var description: String {
switch self {
case .invalid:
return "invalid"
case .sendingConnectResponse:
return "sending response header for CONNECT"
case .forwarding:
return "waiting to begin forwarding data"
case .stopped:
return "stopped"
}
}
}
/// The remote host to connect to.
public var destinationHost: String!
/// The remote port to connect to.
public var destinationPort: Int!
private var currentHeader: HTTPHeader!
private let scanner: HTTPStreamScanner = HTTPStreamScanner()
private var readStatus: HTTPProxyReadStatus = .invalid
private var writeStatus: HTTPProxyWriteStatus = .invalid
public var isConnectCommand = false
public var readStatusDescription: String {
return readStatus.description
}
public var writeStatusDescription: String {
return writeStatus.description
}
/**
Begin reading and processing data from the socket.
*/
override public func openSocket() {
super.openSocket()
guard !isCancelled else {
return
}
readStatus = .readingFirstHeader
socket.readDataTo(data: Utils.HTTPData.DoubleCRLF)
}
override public func readData() {
guard !isCancelled else {
return
}
// Return the first header we read when the socket was opened if the proxy command is not CONNECT.
if readStatus == .pendingFirstHeader {
delegate?.didRead(data: currentHeader.toData(), from: self)
readStatus = .readingContent
return
}
switch scanner.nextAction {
case .readContent(let length):
readStatus = .readingContent
if length > 0 {
socket.readDataTo(length: length)
} else {
socket.readData()
}
case .readHeader:
readStatus = .readingHeader
socket.readDataTo(data: Utils.HTTPData.DoubleCRLF)
case .stop:
readStatus = .stopped
disconnect()
}
}
// swiftlint:disable function_body_length
// swiftlint:disable cyclomatic_complexity
/**
The socket did read some data.
- parameter data: The data read from the socket.
- parameter from: The socket where the data is read from.
*/
override public func didRead(data: Data, from: RawTCPSocketProtocol) {
super.didRead(data: data, from: from)
let result: HTTPStreamScanner.Result
do {
result = try scanner.input(data)
} catch let error {
disconnect(becauseOf: error)
return
}
switch (readStatus, result) {
case (.readingFirstHeader, .header(let header)):
currentHeader = header
currentHeader.removeProxyHeader()
currentHeader.rewriteToRelativePath()
destinationHost = currentHeader.host
destinationPort = currentHeader.port
isConnectCommand = currentHeader.isConnect
if !isConnectCommand {
readStatus = .pendingFirstHeader
} else {
readStatus = .readingContent
}
session = ConnectSession(host: destinationHost!, port: destinationPort!)
observer?.signal(.receivedRequest(session!, on: self))
delegate?.didReceive(session: session!, from: self)
case (.readingHeader, .header(let header)):
currentHeader = header
currentHeader.removeProxyHeader()
currentHeader.rewriteToRelativePath()
delegate?.didRead(data: currentHeader.toData(), from: self)
case (.readingContent, .content(let content)):
delegate?.didRead(data: content, from: self)
default:
return
}
}
/**
The socket did send some data.
- parameter data: The data which have been sent to remote (acknowledged). Note this may not be available since the data may be released to save memory.
- parameter by: The socket where the data is sent out.
*/
override public func didWrite(data: Data?, by: RawTCPSocketProtocol) {
super.didWrite(data: data, by: by)
switch writeStatus {
case .sendingConnectResponse:
writeStatus = .forwarding
observer?.signal(.readyForForward(self))
delegate?.didBecomeReadyToForwardWith(socket: self)
default:
delegate?.didWrite(data: data, by: self)
}
}
/**
Response to the `AdapterSocket` on the other side of the `Tunnel` which has succefully connected to the remote server.
- parameter adapter: The `AdapterSocket`.
*/
public override func respondTo(adapter: AdapterSocket) {
super.respondTo(adapter: adapter)
guard !isCancelled else {
return
}
if isConnectCommand {
writeStatus = .sendingConnectResponse
write(data: Utils.HTTPData.ConnectSuccessResponse)
} else {
writeStatus = .forwarding
observer?.signal(.readyForForward(self))
delegate?.didBecomeReadyToForwardWith(socket: self)
}
}
}
```
|
/content/code_sandbox/src/Socket/ProxySocket/HTTPProxySocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,281
|
```swift
import Foundation
/// This adapter connects to remote host through a HTTP proxy with SSL.
public class SecureHTTPAdapter: HTTPAdapter {
override public init(serverHost: String, serverPort: Int, auth: HTTPAuthentication?) {
super.init(serverHost: serverHost, serverPort: serverPort, auth: auth)
secured = true
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/SecureHTTPAdapter.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 74
|
```swift
import Foundation
public class RejectAdapter: AdapterSocket {
public let delay: Int
public init(delay: Int) {
self.delay = delay
}
override public func openSocketWith(session: ConnectSession) {
super.openSocketWith(session: session)
QueueFactory.getQueue().asyncAfter(deadline: DispatchTime.now() + DispatchTimeInterval.milliseconds(delay)) {
[weak self] in
self?.disconnect()
}
}
/**
Disconnect the socket elegantly.
*/
public override func disconnect(becauseOf error: Error? = nil) {
guard !isCancelled else {
return
}
_cancelled = true
session.disconnected(becauseOf: error, by: .adapter)
observer?.signal(.disconnectCalled(self))
_status = .closed
delegate?.didDisconnectWith(socket: self)
}
/**
Disconnect the socket immediately.
*/
public override func forceDisconnect(becauseOf error: Error? = nil) {
guard !isCancelled else {
return
}
_cancelled = true
session.disconnected(becauseOf: error, by: .adapter)
observer?.signal(.forceDisconnectCalled(self))
_status = .closed
delegate?.didDisconnectWith(socket: self)
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/RejectAdapter.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 274
|
```swift
import Foundation
/// This adpater selects the fastest proxy automatically from a set of proxies.
public class SpeedAdapter: AdapterSocket, SocketDelegate {
public var adapters: [(AdapterSocket, Int)]!
var connectingCount = 0
var pendingCount = 0
fileprivate var _shouldConnect: Bool = true
override public func openSocketWith(session: ConnectSession) {
for (adapter, _) in adapters {
adapter.observer = nil
}
super.openSocketWith(session: session)
// FIXME: This is a temporary workaround for wechat which uses a wrong way to detect ipv6 by itself.
if session.isIPv6() {
_cancelled = true
// Note `socket` is nil so `didDisconnectWith(socket:)` will never be called.
didDisconnectWith(socket: self)
return
}
pendingCount = adapters.count
for (adapter, delay) in adapters {
QueueFactory.getQueue().asyncAfter(deadline: DispatchTime.now() + DispatchTimeInterval.milliseconds(delay)) {
if self._shouldConnect {
adapter.delegate = self
adapter.openSocketWith(session: session)
self.connectingCount += 1
}
}
}
}
override public func disconnect(becauseOf error: Error? = nil) {
super.disconnect(becauseOf: error)
_shouldConnect = false
pendingCount = 0
for (adapter, _) in adapters {
adapter.delegate = nil
if adapter.status != .invalid {
adapter.disconnect(becauseOf: error)
}
}
}
override public func forceDisconnect(becauseOf error: Error? = nil) {
super.forceDisconnect(becauseOf: error)
_shouldConnect = false
pendingCount = 0
for (adapter, _) in adapters {
adapter.delegate = nil
if adapter.status != .invalid {
adapter.forceDisconnect(becauseOf: error)
}
}
}
public func didBecomeReadyToForwardWith(socket: SocketProtocol) {
guard let adapterSocket = socket as? AdapterSocket else {
return
}
_shouldConnect = false
// first we disconnect all other adapter now, and set delegate to nil
for (adapter, _) in adapters {
if adapter != adapterSocket {
adapter.delegate = nil
if adapter.status != .invalid {
adapter.forceDisconnect()
}
}
}
delegate?.updateAdapterWith(newAdapter: adapterSocket)
adapterSocket.observer = observer
observer?.signal(.connected(adapterSocket))
delegate?.didConnectWith(adapterSocket: adapterSocket)
observer?.signal(.readyForForward(adapterSocket))
delegate?.didBecomeReadyToForwardWith(socket: adapterSocket)
delegate = nil
}
public func didDisconnectWith(socket: SocketProtocol) {
connectingCount -= 1
if connectingCount <= 0 && pendingCount == 0 {
// failed to connect
_status = .closed
observer?.signal(.disconnected(self))
delegate?.didDisconnectWith(socket: self)
}
}
public func didConnectWith(adapterSocket socket: AdapterSocket) {}
public func didWrite(data: Data?, by: SocketProtocol) {}
public func didRead(data: Data, from: SocketProtocol) {}
public func updateAdapterWith(newAdapter: AdapterSocket) {}
public func didReceive(session: ConnectSession, from: ProxySocket) {}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/SpeedAdapter.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 731
|
```swift
import Foundation
public enum HTTPAdapterError: Error, CustomStringConvertible {
case invalidURL, serailizationFailure
public var description: String {
switch self {
case .invalidURL:
return "Invalid url when connecting through proxy"
case .serailizationFailure:
return "Failed to serialize HTTP CONNECT header"
}
}
}
/// This adapter connects to remote host through a HTTP proxy.
public class HTTPAdapter: AdapterSocket {
enum HTTPAdapterStatus {
case invalid,
connecting,
readingResponse,
forwarding,
stopped
}
/// The host domain of the HTTP proxy.
let serverHost: String
/// The port of the HTTP proxy.
let serverPort: Int
/// The authentication information for the HTTP proxy.
let auth: HTTPAuthentication?
/// Whether the connection to the proxy should be secured or not.
var secured: Bool
var internalStatus: HTTPAdapterStatus = .invalid
public init(serverHost: String, serverPort: Int, auth: HTTPAuthentication?) {
self.serverHost = serverHost
self.serverPort = serverPort
self.auth = auth
secured = false
super.init()
}
override public func openSocketWith(session: ConnectSession) {
super.openSocketWith(session: session)
guard !isCancelled else {
return
}
do {
internalStatus = .connecting
try socket.connectTo(host: serverHost, port: serverPort, enableTLS: secured, tlsSettings: nil)
} catch {}
}
override public func didConnectWith(socket: RawTCPSocketProtocol) {
super.didConnectWith(socket: socket)
guard let url = URL(string: "\(session.host):\(session.port)") else {
observer?.signal(.errorOccured(HTTPAdapterError.invalidURL, on: self))
disconnect()
return
}
let message = CFHTTPMessageCreateRequest(kCFAllocatorDefault, "CONNECT" as CFString, url as CFURL, kCFHTTPVersion1_1).takeRetainedValue()
if let authData = auth {
CFHTTPMessageSetHeaderFieldValue(message, "Proxy-Authorization" as CFString, authData.authString() as CFString?)
}
CFHTTPMessageSetHeaderFieldValue(message, "Host" as CFString, "\(session.host):\(session.port)" as CFString?)
CFHTTPMessageSetHeaderFieldValue(message, "Content-Length" as CFString, "0" as CFString?)
guard let requestData = CFHTTPMessageCopySerializedMessage(message)?.takeRetainedValue() else {
observer?.signal(.errorOccured(HTTPAdapterError.serailizationFailure, on: self))
disconnect()
return
}
internalStatus = .readingResponse
write(data: requestData as Data)
socket.readDataTo(data: Utils.HTTPData.DoubleCRLF)
}
override public func didRead(data: Data, from socket: RawTCPSocketProtocol) {
super.didRead(data: data, from: socket)
switch internalStatus {
case .readingResponse:
internalStatus = .forwarding
observer?.signal(.readyForForward(self))
delegate?.didBecomeReadyToForwardWith(socket: self)
case .forwarding:
observer?.signal(.readData(data, on: self))
delegate?.didRead(data: data, from: self)
default:
return
}
}
override public func didWrite(data: Data?, by socket: RawTCPSocketProtocol) {
super.didWrite(data: data, by: socket)
if internalStatus == .forwarding {
observer?.signal(.wroteData(data, on: self))
delegate?.didWrite(data: data, by: self)
}
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/HTTPAdapter.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 797
|
```swift
import Foundation
public class SOCKS5Adapter: AdapterSocket {
enum SOCKS5AdapterStatus {
case invalid,
connecting,
readingMethodResponse,
readingResponseFirstPart,
readingResponseSecondPart,
forwarding
}
public let serverHost: String
public let serverPort: Int
var internalStatus: SOCKS5AdapterStatus = .invalid
let helloData = Data([0x05, 0x01, 0x00])
public enum ReadTag: Int {
case methodResponse = -20000, connectResponseFirstPart, connectResponseSecondPart
}
public enum WriteTag: Int {
case open = -21000, connectIPv4, connectIPv6, connectDomainLength, connectPort
}
public init(serverHost: String, serverPort: Int) {
self.serverHost = serverHost
self.serverPort = serverPort
super.init()
}
public override func openSocketWith(session: ConnectSession) {
super.openSocketWith(session: session)
guard !isCancelled else {
return
}
do {
internalStatus = .connecting
try socket.connectTo(host: serverHost, port: serverPort, enableTLS: false, tlsSettings: nil)
} catch {}
}
public override func didConnectWith(socket: RawTCPSocketProtocol) {
super.didConnectWith(socket: socket)
write(data: helloData)
internalStatus = .readingMethodResponse
socket.readDataTo(length: 2)
}
public override func didRead(data: Data, from socket: RawTCPSocketProtocol) {
super.didRead(data: data, from: socket)
switch internalStatus {
case .readingMethodResponse:
var response: [UInt8]
if session.isIPv4() {
response = [0x05, 0x01, 0x00, 0x01]
let address = IPAddress(fromString: session.host)!
response += [UInt8](address.dataInNetworkOrder)
} else if session.isIPv6() {
response = [0x05, 0x01, 0x00, 0x04]
let address = IPAddress(fromString: session.host)!
response += [UInt8](address.dataInNetworkOrder)
} else {
response = [0x05, 0x01, 0x00, 0x03]
response.append(UInt8(session.host.utf8.count))
response += [UInt8](session.host.utf8)
}
let portBytes: [UInt8] = Utils.toByteArray(UInt16(session.port)).reversed()
response.append(contentsOf: portBytes)
write(data: Data(response))
internalStatus = .readingResponseFirstPart
socket.readDataTo(length: 5)
case .readingResponseFirstPart:
var readLength = 0
switch data[3] {
case 1:
readLength = 3 + 2
case 3:
readLength = Int(data[4]) + 2
case 4:
readLength = 15 + 2
default:
break
}
internalStatus = .readingResponseSecondPart
socket.readDataTo(length: readLength)
case .readingResponseSecondPart:
internalStatus = .forwarding
observer?.signal(.readyForForward(self))
delegate?.didBecomeReadyToForwardWith(socket: self)
case .forwarding:
delegate?.didRead(data: data, from: self)
default:
return
}
}
override open func didWrite(data: Data?, by socket: RawTCPSocketProtocol) {
super.didWrite(data: data, by: socket)
if internalStatus == .forwarding {
delegate?.didWrite(data: data, by: self)
}
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/SOCKS5Adapter.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 826
|
```swift
import Foundation
/// This adapter connects to remote directly.
public class DirectAdapter: AdapterSocket {
/// If this is set to `false`, then the IP address will be resolved by system.
var resolveHost = false
/**
Connect to remote according to the `ConnectSession`.
- parameter session: The connect session.
*/
override public func openSocketWith(session: ConnectSession) {
super.openSocketWith(session: session)
guard !isCancelled else {
return
}
do {
try socket.connectTo(host: session.host, port: Int(session.port), enableTLS: false, tlsSettings: nil)
} catch let error {
observer?.signal(.errorOccured(error, on: self))
disconnect()
}
}
/**
The socket did connect to remote.
- parameter socket: The connected socket.
*/
override public func didConnectWith(socket: RawTCPSocketProtocol) {
super.didConnectWith(socket: socket)
observer?.signal(.readyForForward(self))
delegate?.didBecomeReadyToForwardWith(socket: self)
}
override public func didRead(data: Data, from rawSocket: RawTCPSocketProtocol) {
super.didRead(data: data, from: rawSocket)
delegate?.didRead(data: data, from: self)
}
override public func didWrite(data: Data?, by rawSocket: RawTCPSocketProtocol) {
super.didWrite(data: data, by: rawSocket)
delegate?.didWrite(data: data, by: self)
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/DirectAdapter.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 331
|
```swift
import Foundation
open class AdapterSocket: NSObject, SocketProtocol, RawTCPSocketDelegate {
open var session: ConnectSession!
open var observer: Observer<AdapterSocketEvent>?
open override var description: String {
return "<\(typeName) host:\(session.host) port:\(session.port))>"
}
internal var _cancelled = false
public var isCancelled: Bool {
return _cancelled
}
/**
Connect to remote according to the `ConnectSession`.
- parameter session: The connect session.
*/
open func openSocketWith(session: ConnectSession) {
guard !isCancelled else {
return
}
self.session = session
observer?.signal(.socketOpened(self, withSession: session))
socket?.delegate = self
_status = .connecting
}
deinit {
socket?.delegate = nil
}
// MARK: SocketProtocol Implementation
/// The underlying TCP socket transmitting data.
open var socket: RawTCPSocketProtocol!
/// The delegate instance.
weak open var delegate: SocketDelegate?
var _status: SocketStatus = .invalid
/// The current connection status of the socket.
public var status: SocketStatus {
return _status
}
open var statusDescription: String {
return "\(status)"
}
public init(observe: Bool = true) {
super.init()
if observe {
observer = ObserverFactory.currentFactory?.getObserverForAdapterSocket(self)
}
}
/**
Read data from the socket.
- warning: This should only be called after the last read is finished, i.e., `delegate?.didReadData()` is called.
*/
open func readData() {
guard !isCancelled else {
return
}
socket?.readData()
}
/**
Send data to remote.
- parameter data: Data to send.
- warning: This should only be called after the last write is finished, i.e., `delegate?.didWriteData()` is called.
*/
open func write(data: Data) {
guard !isCancelled else {
return
}
socket?.write(data: data)
}
/**
Disconnect the socket elegantly.
*/
open func disconnect(becauseOf error: Error? = nil) {
_status = .disconnecting
_cancelled = true
session.disconnected(becauseOf: error, by: .adapter)
observer?.signal(.disconnectCalled(self))
socket?.disconnect()
}
/**
Disconnect the socket immediately.
*/
open func forceDisconnect(becauseOf error: Error? = nil) {
_status = .disconnecting
_cancelled = true
session.disconnected(becauseOf: error, by: .adapter)
observer?.signal(.forceDisconnectCalled(self))
socket?.forceDisconnect()
}
// MARK: RawTCPSocketDelegate Protocol Implementation
/**
The socket did disconnect.
- parameter socket: The socket which did disconnect.
*/
open func didDisconnectWith(socket: RawTCPSocketProtocol) {
_status = .closed
observer?.signal(.disconnected(self))
delegate?.didDisconnectWith(socket: self)
}
/**
The socket did read some data.
- parameter data: The data read from the socket.
- parameter from: The socket where the data is read from.
*/
open func didRead(data: Data, from: RawTCPSocketProtocol) {
observer?.signal(.readData(data, on: self))
}
/**
The socket did send some data.
- parameter data: The data which have been sent to remote (acknowledged). Note this may not be available since the data may be released to save memory.
- parameter by: The socket where the data is sent out.
*/
open func didWrite(data: Data?, by: RawTCPSocketProtocol) {
observer?.signal(.wroteData(data, on: self))
}
/**
The socket did connect to remote.
- parameter socket: The connected socket.
*/
open func didConnectWith(socket: RawTCPSocketProtocol) {
_status = .established
observer?.signal(.connected(self))
delegate?.didConnectWith(adapterSocket: self)
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/AdapterSocket.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 924
|
```swift
import Foundation
extension ShadowsocksAdapter {
public class CryptoStreamProcessor {
public class Factory {
let password: String
let algorithm: CryptoAlgorithm
let key: Data
public init(password: String, algorithm: CryptoAlgorithm) {
self.password = password
self.algorithm = algorithm
key = CryptoHelper.getKey(password, methodType: algorithm)
}
public func build() -> CryptoStreamProcessor {
return CryptoStreamProcessor(key: key, algorithm: algorithm)
}
}
public weak var inputStreamProcessor: StreamObfuscater.StreamObfuscaterBase!
public weak var outputStreamProcessor: ProtocolObfuscater.ProtocolObfuscaterBase!
var readIV: Data!
let key: Data
let algorithm: CryptoAlgorithm
var sendKey = false
var buffer = Buffer(capacity: 0)
lazy var writeIV: Data = {
[unowned self] in
CryptoHelper.getIV(self.algorithm)
}()
lazy var ivLength: Int = {
[unowned self] in
CryptoHelper.getIVLength(self.algorithm)
}()
lazy var encryptor: StreamCryptoProtocol = {
[unowned self] in
self.getCrypto(.encrypt)
}()
lazy var decryptor: StreamCryptoProtocol = {
[unowned self] in
self.getCrypto(.decrypt)
}()
init(key: Data, algorithm: CryptoAlgorithm) {
self.key = key
self.algorithm = algorithm
}
func encrypt(data: inout Data) {
return encryptor.update(&data)
}
func decrypt(data: inout Data) {
return decryptor.update(&data)
}
public func input(data: Data) throws {
var data = data
if readIV == nil {
buffer.append(data: data)
readIV = buffer.get(length: ivLength)
guard readIV != nil else {
try inputStreamProcessor!.input(data: Data())
return
}
data = buffer.get() ?? Data()
buffer.release()
}
decrypt(data: &data)
try inputStreamProcessor!.input(data: data)
}
public func output(data: Data) {
var data = data
encrypt(data: &data)
if sendKey {
return outputStreamProcessor!.output(data: data)
} else {
sendKey = true
var out = Data(capacity: data.count + writeIV.count)
out.append(writeIV)
out.append(data)
return outputStreamProcessor!.output(data: out)
}
}
private func getCrypto(_ operation: CryptoOperation) -> StreamCryptoProtocol {
switch algorithm {
case .AES128CFB, .AES192CFB, .AES256CFB:
switch operation {
case .decrypt:
return CCCrypto(operation: .decrypt, mode: .cfb, algorithm: .aes, initialVector: readIV, key: key)
case .encrypt:
return CCCrypto(operation: .encrypt, mode: .cfb, algorithm: .aes, initialVector: writeIV, key: key)
}
case .CHACHA20:
switch operation {
case .decrypt:
return SodiumStreamCrypto(key: key, iv: readIV, algorithm: .chacha20)
case .encrypt:
return SodiumStreamCrypto(key: key, iv: writeIV, algorithm: .chacha20)
}
case .SALSA20:
switch operation {
case .decrypt:
return SodiumStreamCrypto(key: key, iv: readIV, algorithm: .salsa20)
case .encrypt:
return SodiumStreamCrypto(key: key, iv: writeIV, algorithm: .salsa20)
}
case .RC4MD5:
var combinedKey = Data(capacity: key.count + ivLength)
combinedKey.append(key)
switch operation {
case .decrypt:
combinedKey.append(readIV)
return CCCrypto(operation: .decrypt, mode: .rc4, algorithm: .rc4, initialVector: nil, key: MD5Hash.final(combinedKey))
case .encrypt:
combinedKey.append(writeIV)
return CCCrypto(operation: .encrypt, mode: .rc4, algorithm: .rc4, initialVector: nil, key: MD5Hash.final(combinedKey))
}
}
}
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Shadowsocks/CryptoStreamProcessor.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 927
|
```swift
import Foundation
import CommonCrypto
/// This adapter connects to remote through Shadowsocks proxy.
public class ShadowsocksAdapter: AdapterSocket {
enum ShadowsocksAdapterStatus {
case invalid,
connecting,
connected,
forwarding,
stopped
}
enum EncryptMethod: String {
case AES128CFB = "AES-128-CFB", AES192CFB = "AES-192-CFB", AES256CFB = "AES-256-CFB"
static let allValues: [EncryptMethod] = [.AES128CFB, .AES192CFB, .AES256CFB]
}
public let host: String
public let port: Int
var internalStatus: ShadowsocksAdapterStatus = .invalid
private let protocolObfuscater: ProtocolObfuscater.ProtocolObfuscaterBase
private let cryptor: CryptoStreamProcessor
private let streamObfuscator: StreamObfuscater.StreamObfuscaterBase
public init(host: String, port: Int, protocolObfuscater: ProtocolObfuscater.ProtocolObfuscaterBase, cryptor: CryptoStreamProcessor, streamObfuscator: StreamObfuscater.StreamObfuscaterBase) {
self.host = host
self.port = port
self.protocolObfuscater = protocolObfuscater
self.cryptor = cryptor
self.streamObfuscator = streamObfuscator
super.init()
protocolObfuscater.inputStreamProcessor = cryptor
protocolObfuscater.outputStreamProcessor = self
cryptor.inputStreamProcessor = streamObfuscator
cryptor.outputStreamProcessor = protocolObfuscater
streamObfuscator.inputStreamProcessor = self
streamObfuscator.outputStreamProcessor = cryptor
}
override public func openSocketWith(session: ConnectSession) {
super.openSocketWith(session: session)
do {
internalStatus = .connecting
try socket.connectTo(host: host, port: port, enableTLS: false, tlsSettings: nil)
} catch let error {
observer?.signal(.errorOccured(error, on: self))
disconnect()
}
}
override public func didConnectWith(socket: RawTCPSocketProtocol) {
super.didConnectWith(socket: socket)
internalStatus = .connected
protocolObfuscater.start()
}
override public func didRead(data: Data, from socket: RawTCPSocketProtocol) {
super.didRead(data: data, from: socket)
do {
try protocolObfuscater.input(data: data)
} catch {
disconnect()
}
}
public override func write(data: Data) {
streamObfuscator.output(data: data)
}
public func write(rawData: Data) {
super.write(data: rawData)
}
public func input(data: Data) {
delegate?.didRead(data: data, from: self)
}
public func output(data: Data) {
write(rawData: data)
}
override public func didWrite(data: Data?, by socket: RawTCPSocketProtocol) {
super.didWrite(data: data, by: socket)
protocolObfuscater.didWrite()
switch internalStatus {
case .forwarding:
delegate?.didWrite(data: data, by: self)
default:
return
}
}
func becomeReadyToForward() {
internalStatus = .forwarding
observer?.signal(.readyForForward(self))
delegate?.didBecomeReadyToForwardWith(socket: self)
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Shadowsocks/ShadowsocksAdapter.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 755
|
```swift
import Foundation
extension ShadowsocksAdapter {
public struct StreamObfuscater {
public class Factory {
public init() {}
public func build(for session: ConnectSession) -> StreamObfuscaterBase {
return StreamObfuscaterBase(for: session)
}
}
public class StreamObfuscaterBase {
public weak var inputStreamProcessor: ShadowsocksAdapter!
private weak var _outputStreamProcessor: CryptoStreamProcessor!
public var outputStreamProcessor: CryptoStreamProcessor! {
get {
return _outputStreamProcessor
}
set {
_outputStreamProcessor = newValue
key = _outputStreamProcessor?.key
writeIV = _outputStreamProcessor?.writeIV
}
}
public var key: Data?
public var writeIV: Data?
let session: ConnectSession
init(for session: ConnectSession) {
self.session = session
}
func output(data: Data) {}
func input(data: Data) throws {}
}
public class OriginStreamObfuscater: StreamObfuscaterBase {
public class Factory: StreamObfuscater.Factory {
public override init() {}
public override func build(for session: ConnectSession) -> ShadowsocksAdapter.StreamObfuscater.StreamObfuscaterBase {
return OriginStreamObfuscater(for: session)
}
}
private var requestSend = false
private func requestData(withData data: Data) -> Data {
let hostLength = session.host.utf8.count
let length = 1 + 1 + hostLength + 2 + data.count
var response = Data(count: length)
response[0] = 3
response[1] = UInt8(hostLength)
response.replaceSubrange(2..<2+hostLength, with: session.host.utf8)
var beport = UInt16(session.port).bigEndian
withUnsafeBytes(of: &beport) {
response.replaceSubrange(2+hostLength..<4+hostLength, with: $0)
}
response.replaceSubrange(4+hostLength..<length, with: data)
return response
}
public override func input(data: Data) throws {
inputStreamProcessor!.input(data: data)
}
public override func output(data: Data) {
if requestSend {
return outputStreamProcessor!.output(data: data)
} else {
requestSend = true
return outputStreamProcessor!.output(data: requestData(withData: data))
}
}
}
public class OTAStreamObfuscater: StreamObfuscaterBase {
public class Factory: StreamObfuscater.Factory {
public override init() {}
public override func build(for session: ConnectSession) -> ShadowsocksAdapter.StreamObfuscater.StreamObfuscaterBase {
return OTAStreamObfuscater(for: session)
}
}
private var count: UInt32 = 0
private let DATA_BLOCK_SIZE = 0xFFFF - 12
private var requestSend = false
private func requestData() -> Data {
var response: [UInt8] = [0x13]
response.append(UInt8(session.host.utf8.count))
response += [UInt8](session.host.utf8)
response += [UInt8](Utils.toByteArray(UInt16(session.port)).reversed())
var responseData = Data(bytes: UnsafePointer<UInt8>(response), count: response.count)
var keyiv = Data(count: key!.count + writeIV!.count)
keyiv.replaceSubrange(0..<writeIV!.count, with: writeIV!)
keyiv.replaceSubrange(writeIV!.count..<writeIV!.count + key!.count, with: key!)
responseData.append(HMAC.final(value: responseData, algorithm: .SHA1, key: keyiv).subdata(in: 0..<10))
return responseData
}
public override func input(data: Data) throws {
inputStreamProcessor!.input(data: data)
}
public override func output(data: Data) {
let fullBlockCount = data.count / DATA_BLOCK_SIZE
var outputSize = fullBlockCount * (DATA_BLOCK_SIZE + 10 + 2)
if data.count > fullBlockCount * DATA_BLOCK_SIZE {
outputSize += data.count - fullBlockCount * DATA_BLOCK_SIZE + 10 + 2
}
let _requestData: Data = requestData()
if !requestSend {
outputSize += _requestData.count
}
var outputData = Data(count: outputSize)
var outputOffset = 0
var dataOffset = 0
if !requestSend {
requestSend = true
outputData.replaceSubrange(0..<_requestData.count, with: _requestData)
outputOffset += _requestData.count
}
while outputOffset != outputSize {
let blockLength = min(data.count - dataOffset, DATA_BLOCK_SIZE)
var len = UInt16(blockLength).bigEndian
withUnsafeBytes(of: &len) {
outputData.replaceSubrange(outputOffset..<outputOffset+2, with: $0)
}
var kc = Data(count: writeIV!.count + MemoryLayout.size(ofValue: count))
kc.replaceSubrange(0..<writeIV!.count, with: writeIV!)
var c = count.bigEndian
let ms = MemoryLayout.size(ofValue: c)
withUnsafeBytes(of: &c) {
kc.replaceSubrange(writeIV!.count..<writeIV!.count+ms, with: $0)
}
data.withUnsafeBytes {
outputData.replaceSubrange(outputOffset+2..<outputOffset+12, with: HMAC.final(value: $0.baseAddress!.advanced(by: dataOffset), length: blockLength, algorithm: .SHA1, key: kc).subdata(in: 0..<10))
}
data.withUnsafeBytes {
outputData.replaceSubrange(outputOffset+12..<outputOffset+12+blockLength, with: $0.baseAddress!.advanced(by: dataOffset), count: blockLength)
}
count += 1
outputOffset += 12 + blockLength
dataOffset += blockLength
}
return outputStreamProcessor!.output(data: outputData)
}
}
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Shadowsocks/StreamObfuscater.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 1,321
|
```swift
import Foundation
/// Factory building adapter with proxy server host and port.
open class ServerAdapterFactory: AdapterFactory {
let serverHost: String
let serverPort: Int
public init(serverHost: String, serverPort: Int) {
self.serverHost = serverHost
self.serverPort = serverPort
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/ServerAdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 70
|
```swift
import Foundation
/// Factory building Shadowsocks adapter.
open class ShadowsocksAdapterFactory: ServerAdapterFactory {
let protocolObfuscaterFactory: ShadowsocksAdapter.ProtocolObfuscater.Factory
let cryptorFactory: ShadowsocksAdapter.CryptoStreamProcessor.Factory
let streamObfuscaterFactory: ShadowsocksAdapter.StreamObfuscater.Factory
public init(serverHost: String, serverPort: Int, protocolObfuscaterFactory: ShadowsocksAdapter.ProtocolObfuscater.Factory, cryptorFactory: ShadowsocksAdapter.CryptoStreamProcessor.Factory, streamObfuscaterFactory: ShadowsocksAdapter.StreamObfuscater.Factory) {
self.protocolObfuscaterFactory = protocolObfuscaterFactory
self.cryptorFactory = cryptorFactory
self.streamObfuscaterFactory = streamObfuscaterFactory
super.init(serverHost: serverHost, serverPort: serverPort)
}
/**
Get a Shadowsocks adapter.
- parameter session: The connect session.
- returns: The built adapter.
*/
override open func getAdapterFor(session: ConnectSession) -> AdapterSocket {
let adapter = ShadowsocksAdapter(host: serverHost, port: serverPort, protocolObfuscater: protocolObfuscaterFactory.build(), cryptor: cryptorFactory.build(), streamObfuscator: streamObfuscaterFactory.build(for: session))
adapter.socket = RawSocketFactory.getRawSocket()
return adapter
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/ShadowsocksAdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 305
|
```swift
import Foundation
/// Factory building SOCKS5 adapter.
open class SOCKS5AdapterFactory: ServerAdapterFactory {
override public init(serverHost: String, serverPort: Int) {
super.init(serverHost: serverHost, serverPort: serverPort)
}
/**
Get a SOCKS5 adapter.
- parameter session: The connect session.
- returns: The built adapter.
*/
override open func getAdapterFor(session: ConnectSession) -> AdapterSocket {
let adapter = SOCKS5Adapter(serverHost: serverHost, serverPort: serverPort)
adapter.socket = RawSocketFactory.getRawSocket()
return adapter
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/SOCKS5AdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 136
|
```swift
import Foundation
/// This is a very simple wrapper of a dict of type `[String: AdapterFactory]`.
///
/// Use it as a normal dict.
public class AdapterFactoryManager {
private var factoryDict: [String: AdapterFactory]
public subscript(index: String) -> AdapterFactory? {
get {
if index == "direct" {
return DirectAdapterFactory()
}
return factoryDict[index]
}
set { factoryDict[index] = newValue }
}
/**
Initialize a new factory manager.
- parameter factoryDict: The factory dict.
*/
public init(factoryDict: [String: AdapterFactory]) {
self.factoryDict = factoryDict
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/AdapterFactoryManager.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 145
|
```swift
import Foundation
/// Factory building speed adapter.
open class SpeedAdapterFactory: AdapterFactory {
open var adapterFactories: [(AdapterFactory, Int)]!
public override init() {}
/**
Get a speed adapter.
- parameter session: The connect session.
- returns: The built adapter.
*/
override open func getAdapterFor(session: ConnectSession) -> AdapterSocket {
let adapters = adapterFactories.map { adapterFactory, delay -> (AdapterSocket, Int) in
let adapter = adapterFactory.getAdapterFor(session: session)
adapter.socket = RawSocketFactory.getRawSocket()
return (adapter, delay)
}
let speedAdapter = SpeedAdapter()
speedAdapter.adapters = adapters
return speedAdapter
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/SpeedAdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 157
|
```swift
import Foundation
/// Factory building HTTP adapter.
open class HTTPAdapterFactory: HTTPAuthenticationAdapterFactory {
required public init(serverHost: String, serverPort: Int, auth: HTTPAuthentication?) {
super.init(serverHost: serverHost, serverPort: serverPort, auth: auth)
}
/**
Get a HTTP adapter.
- parameter session: The connect session.
- returns: The built adapter.
*/
override open func getAdapterFor(session: ConnectSession) -> AdapterSocket {
let adapter = HTTPAdapter(serverHost: serverHost, serverPort: serverPort, auth: auth)
adapter.socket = RawSocketFactory.getRawSocket()
return adapter
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/HTTPAdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 142
|
```swift
import Foundation
/// Factory building server adapter which requires authentication.
open class HTTPAuthenticationAdapterFactory: ServerAdapterFactory {
let auth: HTTPAuthentication?
required public init(serverHost: String, serverPort: Int, auth: HTTPAuthentication?) {
self.auth = auth
super.init(serverHost: serverHost, serverPort: serverPort)
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/AuthenticationServerAdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 73
|
```swift
import Foundation
/// The base class of adapter factory.
open class AdapterFactory {
public init() {}
/**
Build an adapter.
- parameter session: The connect session.
- returns: The built adapter.
*/
open func getAdapterFor(session: ConnectSession) -> AdapterSocket {
return getDirectAdapter()
}
/**
Helper method to get a `DirectAdapter`.
- returns: A direct adapter.
*/
public func getDirectAdapter() -> AdapterSocket {
let adapter = DirectAdapter()
adapter.socket = RawSocketFactory.getRawSocket()
return adapter
}
}
/// Factory building direct adapters.
///
/// - note: This is needed since we need to identify direct adapter factory.
public class DirectAdapterFactory: AdapterFactory {
public override init() {}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/AdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 167
|
```swift
import Foundation
open class RejectAdapterFactory: AdapterFactory {
public let delay: Int
public init(delay: Int = Opt.RejectAdapterDefaultDelay) {
self.delay = delay
}
override open func getAdapterFor(session: ConnectSession) -> AdapterSocket {
return RejectAdapter(delay: delay)
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/RejectAdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 69
|
```swift
import Foundation
extension ShadowsocksAdapter {
public struct ProtocolObfuscater {
public class Factory {
public init() {}
public func build() -> ProtocolObfuscaterBase {
return ProtocolObfuscaterBase()
}
}
public class ProtocolObfuscaterBase {
public weak var inputStreamProcessor: CryptoStreamProcessor!
public weak var outputStreamProcessor: ShadowsocksAdapter!
public func start() {}
public func input(data: Data) throws {}
public func output(data: Data) {}
public func didWrite() {}
}
public class OriginProtocolObfuscater: ProtocolObfuscaterBase {
public class Factory: ProtocolObfuscater.Factory {
public override init() {}
public override func build() -> ShadowsocksAdapter.ProtocolObfuscater.ProtocolObfuscaterBase {
return OriginProtocolObfuscater()
}
}
public override func start() {
outputStreamProcessor.becomeReadyToForward()
}
public override func input(data: Data) throws {
try inputStreamProcessor.input(data: data)
}
public override func output(data: Data) {
outputStreamProcessor.output(data: data)
}
}
public class HTTPProtocolObfuscater: ProtocolObfuscaterBase {
public class Factory: ProtocolObfuscater.Factory {
let method: String
let hosts: [String]
let customHeader: String?
public init(method: String = "GET", hosts: [String], customHeader: String?) {
self.method = method
self.hosts = hosts
self.customHeader = customHeader
}
public override func build() -> ShadowsocksAdapter.ProtocolObfuscater.ProtocolObfuscaterBase {
return HTTPProtocolObfuscater(method: method, hosts: hosts, customHeader: customHeader)
}
}
static let headerLength = 30
static let userAgent = ["Mozilla/5.0 (Windows NT 6.3; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0",
"Mozilla/5.0 (Windows NT 6.3; WOW64; rv:40.0) Gecko/20100101 Firefox/44.0",
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36",
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/27.0.1453.93 Chrome/27.0.1453.93 Safari/537.36",
"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0",
"Mozilla/5.0 (compatible; WOW64; MSIE 10.0; Windows NT 6.2)",
"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.20.25 (KHTML, like Gecko) Version/5.0.4 Safari/533.20.27",
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.3; Trident/7.0; .NET4.0E; .NET4.0C)",
"Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko",
"Mozilla/5.0 (Linux; Android 4.4; Nexus 5 Build/BuildID) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36",
"Mozilla/5.0 (iPad; CPU OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3",
"Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3"]
let method: String
let hosts: [String]
let customHeader: String?
var readingFakeHeader = false
var sendHeader = false
var remaining = false
var buffer = Buffer(capacity: 8192)
public init(method: String = "GET", hosts: [String], customHeader: String?) {
self.method = method
self.hosts = hosts
self.customHeader = customHeader
}
private func generateHeader(encapsulating data: Data) -> String {
let ind = Int(arc4random_uniform(UInt32(hosts.count)))
let host = outputStreamProcessor.port == 80 ? hosts[ind] : "\(hosts[ind]):\(outputStreamProcessor.port)"
var header = "\(method) /\(hexlify(data: data)) HTTP/1.1\r\nHost: \(host)\r\n"
if let customHeader = customHeader {
header += customHeader
} else {
let ind = Int(arc4random_uniform(UInt32(HTTPProtocolObfuscater.userAgent.count)))
header += "User-Agent: \(HTTPProtocolObfuscater.userAgent[ind])\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Language: en-US,en;q=0.8\r\nAccept-Encoding: gzip, deflate\r\nDNT: 1\r\nConnection: keep-alive"
}
header += "\r\n\r\n"
return header
}
private func hexlify(data: Data) -> String {
var result = ""
for i in data {
result = result.appendingFormat("%%%02x", i)
}
return result
}
public override func start() {
readingFakeHeader = true
outputStreamProcessor.becomeReadyToForward()
}
public override func input(data: Data) throws {
if readingFakeHeader {
buffer.append(data: data)
if buffer.get(to: Utils.HTTPData.DoubleCRLF) != nil {
readingFakeHeader = false
if let remainData = buffer.get() {
try inputStreamProcessor.input(data: remainData)
return
}
}
try inputStreamProcessor.input(data: Data())
return
}
try inputStreamProcessor.input(data: data)
}
public override func output(data: Data) {
if sendHeader {
outputStreamProcessor.output(data: data)
} else {
var fakeRequestDataLength = inputStreamProcessor.key.count + HTTPProtocolObfuscater.headerLength
if data.count - fakeRequestDataLength > 64 {
fakeRequestDataLength += Int(arc4random_uniform(64))
} else {
fakeRequestDataLength = data.count
}
var outputData = generateHeader(encapsulating: data.subdata(in: 0 ..< fakeRequestDataLength)).data(using: .utf8)!
outputData.append(data.subdata(in: fakeRequestDataLength ..< data.count))
sendHeader = true
outputStreamProcessor.output(data: outputData)
}
}
}
public class TLSProtocolObfuscater: ProtocolObfuscaterBase {
public class Factory: ProtocolObfuscater.Factory {
let hosts: [String]
public init(hosts: [String]) {
self.hosts = hosts
}
public override func build() -> ShadowsocksAdapter.ProtocolObfuscater.ProtocolObfuscaterBase {
return TLSProtocolObfuscater(hosts: hosts)
}
}
let hosts: [String]
let clientID: Data = {
var id = Data(count: 32)
Utils.Random.fill(data: &id)
return id
}()
private var status = 0
private var buffer = Buffer(capacity: 1024)
init(hosts: [String]) {
self.hosts = hosts
}
public override func start() {
handleStatus0()
outputStreamProcessor.socket.readDataTo(length: 129)
}
public override func input(data: Data) throws {
switch status {
case 8:
try handleInput(data: data)
case 1:
outputStreamProcessor.becomeReadyToForward()
default:
break
}
}
public override func output(data: Data) {
switch status {
case 8:
handleStatus8(data: data)
return
case 1:
handleStatus1(data: data)
return
default:
break
}
}
private func authData() -> Data {
var time = UInt32(Date.init().timeIntervalSince1970).bigEndian
var output = Data(count: 32)
var key = inputStreamProcessor.key
key.append(clientID)
withUnsafeBytes(of: &time) {
output.replaceSubrange(0 ..< 4, with: $0)
}
Utils.Random.fill(data: &output, from: 4, length: 18)
output.withUnsafeBytes {
output.replaceSubrange(22 ..< 32, with: HMAC.final(value: $0.baseAddress!, length: 22, algorithm: .SHA1, key: key).subdata(in: 0..<10))
}
return output
}
private func pack(data: Data) -> Data {
var output = Data()
var left = data.count
while left > 0 {
let blockSize = UInt16(min(Int(arc4random_uniform(UInt32(UInt16.max))) % 4096 + 100, left))
var blockSizeBE = blockSize.bigEndian
output.append(contentsOf: [0x17, 0x03, 0x03])
withUnsafeBytes(of: &blockSizeBE) {
output.append($0.baseAddress!.assumingMemoryBound(to: UInt8.self), count: $0.count)
}
output.append(data.subdata(in: data.count - left ..< data.count - left + Int(blockSize)))
left -= Int(blockSize)
}
return output
}
private func handleStatus8(data: Data) {
outputStreamProcessor.output(data: pack(data: data))
}
private func handleStatus0() {
status = 1
var outData = Data()
outData.append(contentsOf: [0x03, 0x03])
outData.append(authData())
outData.append(0x20)
outData.append(clientID)
outData.append(contentsOf: [0x00, 0x1c, 0xc0, 0x2b, 0xc0, 0x2f, 0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13, 0xc0, 0x0a, 0xc0, 0x14, 0xc0, 0x09, 0xc0, 0x13, 0x00, 0x9c, 0x00, 0x35, 0x00, 0x2f, 0x00, 0x0a])
outData.append("0100".data(using: .utf8)!)
var extData = Data()
extData.append(contentsOf: [0xff, 0x01, 0x00, 0x01, 0x00])
let hostData = hosts[Int(arc4random_uniform(UInt32(hosts.count)))].data(using: .utf8)!
var sniData = Data(capacity: hosts.count + 2 + 1 + 2 + 2 + 2)
sniData.append(contentsOf: [0x00, 0x00])
var _lenBE = UInt16(hostData.count + 5).bigEndian
withUnsafeBytes(of: &_lenBE) {
sniData.append($0.baseAddress!.assumingMemoryBound(to: UInt8.self), count: $0.count)
}
_lenBE = UInt16(hostData.count + 3).bigEndian
withUnsafeBytes(of: &_lenBE) {
sniData.append($0.baseAddress!.assumingMemoryBound(to: UInt8.self), count: $0.count)
}
sniData.append(0x00)
_lenBE = UInt16(hostData.count).bigEndian
withUnsafeBytes(of: &_lenBE) {
sniData.append($0.baseAddress!.assumingMemoryBound(to: UInt8.self), count: $0.count)
}
sniData.append(hostData)
extData.append(sniData)
extData.append(contentsOf: [0x00, 0x17, 0x00, 0x00, 0x00, 0x23, 0x00, 0xd0])
var randomData = Data(count: 208)
Utils.Random.fill(data: &randomData)
extData.append(randomData)
extData.append(contentsOf: [0x00, 0x0d, 0x00, 0x16, 0x00, 0x14, 0x06, 0x01, 0x06, 0x03, 0x05, 0x01, 0x05, 0x03, 0x04, 0x01, 0x04, 0x03, 0x03, 0x01, 0x03, 0x03, 0x02, 0x01, 0x02, 0x03])
extData.append(contentsOf: [0x00, 0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00])
extData.append(contentsOf: [0x00, 0x12, 0x00, 0x00])
extData.append(contentsOf: [0x75, 0x50, 0x00, 0x00])
extData.append(contentsOf: [0x00, 0x0b, 0x00, 0x02, 0x01, 0x00])
extData.append(contentsOf: [0x00, 0x0a, 0x00, 0x06, 0x00, 0x04, 0x00, 0x17, 0x00, 0x18])
_lenBE = UInt16(extData.count).bigEndian
withUnsafeBytes(of: &_lenBE) {
outData.append($0.baseAddress!.assumingMemoryBound(to: UInt8.self), count: $0.count)
}
outData.append(extData)
var outputData = Data(capacity: outData.count + 9)
outputData.append(contentsOf: [0x16, 0x03, 0x01])
_lenBE = UInt16(outData.count + 4).bigEndian
withUnsafeBytes(of: &_lenBE) {
outputData.append($0.baseAddress!.assumingMemoryBound(to: UInt8.self), count: $0.count)
}
outputData.append(contentsOf: [0x01, 0x00])
_lenBE = UInt16(outData.count).bigEndian
withUnsafeBytes(of: &_lenBE) {
outputData.append($0.baseAddress!.assumingMemoryBound(to: UInt8.self), count: $0.count)
}
outputData.append(outData)
outputStreamProcessor.output(data: outputData)
}
private func handleStatus1(data: Data) {
status = 8
var outputData = Data()
outputData.append(contentsOf: [0x14, 0x03, 0x03, 0x00, 0x01, 0x01, 0x16, 0x03, 0x03, 0x00, 0x20])
var random = Data(count: 22)
Utils.Random.fill(data: &random)
outputData.append(random)
var key = inputStreamProcessor.key
key.append(clientID)
outputData.withUnsafeBytes {
outputData.append(HMAC.final(value: $0.baseAddress!, length: outputData.count, algorithm: .SHA1, key: key).subdata(in: 0..<10))
}
outputData.append(pack(data: data))
outputStreamProcessor.output(data: outputData)
}
private func handleInput(data: Data) throws {
buffer.append(data: data)
var unpackedData = Data()
while buffer.left > 5 {
buffer.skip(3)
var length: Int = 0
buffer.withUnsafeBytes { (ptr: UnsafePointer<UInt16>) in
length = Int(ptr.pointee.byteSwapped)
}
buffer.skip(2)
if buffer.left >= length {
unpackedData.append(buffer.get(length: length)!)
continue
} else {
buffer.setBack(length: 5)
break
}
}
buffer.squeeze()
try inputStreamProcessor.input(data: unpackedData)
}
}
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Shadowsocks/ProtocolObfuscater.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 3,733
|
```swift
import Foundation
/// Factory building secured HTTP (HTTP with SSL) adapter.
open class SecureHTTPAdapterFactory: HTTPAdapterFactory {
required public init(serverHost: String, serverPort: Int, auth: HTTPAuthentication?) {
super.init(serverHost: serverHost, serverPort: serverPort, auth: auth)
}
/**
Get a secured HTTP adapter.
- parameter session: The connect session.
- returns: The built adapter.
*/
override open func getAdapterFor(session: ConnectSession) -> AdapterSocket {
let adapter = SecureHTTPAdapter(serverHost: serverHost, serverPort: serverPort, auth: auth)
adapter.socket = RawSocketFactory.getRawSocket()
return adapter
}
}
```
|
/content/code_sandbox/src/Socket/AdapterSocket/Factory/SecureHTTPAdapterFactory.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 150
|
```swift
import Foundation
public protocol StreamCryptoProtocol {
func update(_ data: inout Data)
}
```
|
/content/code_sandbox/src/Crypto/StreamCryptoProtocol.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 20
|
```swift
import Foundation
import CommonCrypto
public struct HMAC {
public static func final(value: String, algorithm: HashAlgorithm, key: Data) -> Data {
let data = value.data(using: String.Encoding.utf8)!
return final(value: data, algorithm: algorithm, key: key)
}
public static func final(value: Data, algorithm: HashAlgorithm, key: Data) -> Data {
var result = Data(count: algorithm.digestLength)
_ = value.withUnsafeBytes { v in
result.withUnsafeMutableBytes { res in
key.withUnsafeBytes { k in
CCHmac(algorithm.HMACAlgorithm, k.baseAddress!, key.count, v.baseAddress!, value.count, res.baseAddress!)
}
}
}
return result
}
public static func final(value: UnsafeRawPointer, length: Int, algorithm: HashAlgorithm, key: Data) -> Data {
var result = Data(count: algorithm.digestLength)
_ = result.withUnsafeMutableBytes { res in
key.withUnsafeBytes { k in
CCHmac(algorithm.HMACAlgorithm, k.baseAddress!, key.count, value, length, res.baseAddress!)
}
}
return result
}
}
```
|
/content/code_sandbox/src/Crypto/HMAC.swift
|
swift
| 2016-05-07T13:03:07
| 2024-07-25T11:16:48
|
NEKit
|
zhuhaow/NEKit
| 2,835
| 260
|
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