109 lines
3.5 KiB
Swift
109 lines
3.5 KiB
Swift
//
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// PacketTunnelProvider.swift
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// punchnet
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//
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// Created by 安礼成 on 2025/8/3.
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//
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import NetworkExtension
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enum TunnelError: Error {
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case invalidConfiguration
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case invalidContext
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}
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class PacketTunnelProvider: NEPacketTunnelProvider {
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var contextActor: SDLContextActor?
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private var rootTask: Task<Void, Error>?
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override func startTunnel(options: [String: NSObject]?, completionHandler: @escaping (Error?) -> Void) {
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let shared = UserDefaults(suiteName: "group.com.jihe.punchnetmac")
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let msg = shared?.string(forKey: "test_msg")
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SDLLogger.shared.log("NE read message: \(msg ?? "failed")")
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DarwinNotificationCenter.shared.post(.vpnStatusChanged)
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// 如果当前在运行状态，不允许重复请求
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guard self.contextActor == nil else {
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completionHandler(TunnelError.invalidContext)
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return
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}
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// 加密算法
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let rsaCipher = try! CCRSACipher(keySize: 1024)
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self.rootTask = Task {
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// host: "192.168.0.101", port: 1265
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guard let options, let config = await SDLConfiguration.parse(options: options) else {
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completionHandler(TunnelError.invalidConfiguration)
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return
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}
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self.contextActor = SDLContextActor(provider: self, config: config, rsaCipher: rsaCipher)
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await self.contextActor?.start()
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completionHandler(nil)
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}
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}
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override func stopTunnel(with reason: NEProviderStopReason, completionHandler: @escaping () -> Void) {
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// Add code here to start the process of stopping the tunnel.
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Task {
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await self.contextActor?.stop()
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self.contextActor = nil
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self.rootTask?.cancel()
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self.rootTask = nil
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completionHandler()
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}
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}
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override func handleAppMessage(_ messageData: Data, completionHandler: ((Data?) -> Void)?) {
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// Add code here to handle the message.
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Task {
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if let message = try? NEMessage(serializedBytes: messageData) {
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switch message.message {
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case .exitNodeIpChanged(let exitNodeIpChanged):
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let exitNodeIp = exitNodeIpChanged.ip
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do {
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try await self.contextActor?.updateExitNode(exitNodeIp: exitNodeIp)
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var reply = NEReply()
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reply.code = 0
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reply.message = "操作成功"
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completionHandler?(try reply.serializedData())
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} catch let err {
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var reply = NEReply()
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reply.code = 1
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reply.message = err.localizedDescription
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completionHandler?(try reply.serializedData())
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}
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case .none:
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()
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}
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}
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}
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}
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override func sleep(completionHandler: @escaping () -> Void) {
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// Add code here to get ready to sleep.
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completionHandler()
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}
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override func wake() {
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// Add code here to wake up.
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}
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}
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// 获取物理网卡ip地址
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extension PacketTunnelProvider {
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public static var viaInterface: NetworkInterface? = {
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let interfaces = NetworkInterfaceManager.getInterfaces()
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return interfaces.first {$0.name == "en0"}
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}()
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}
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