fix config

Tun/PacketTunnelProvider.swift

@@ -19,9 +19,10 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
     var context: SDLContext?
     private var rootTask: Task<Void, Error>?
     
-    override func startTunnel(options: [String : NSObject]?, completionHandler: @escaping (Error?) -> Void) {
+    override func startTunnel(options: [String: NSObject]?, completionHandler: @escaping (Error?) -> Void) {
         // host: "192.168.0.101", port: 1265
-        guard let options else {
+        guard let options, let config = SDLConfiguration.parse(options: options) else {
+            NSLog("配置错误")
             return
         }
         
@@ -30,50 +31,6 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
             return
         }
         
-        // let token = options["token"] as! String
-        let installed_channel = options["installed_channel"] as! String
-        let superIp = options["super_ip"] as! String
-        let superPort = options["super_port"] as! Int
-        let stunServersStr = options["stun_servers"] as! String
-        let noticePort = options["notice_port"] as! Int
-        let token = options["token"] as! String
-        let accessToken = options["access_token"] as! String
-        let clientId = options["client_id"] as! String
-        let remoteDnsServer = options["remote_dns_server"] as! String
-        let hostname = options["hostname"] as! String
-
-        let stunServers = stunServersStr.split(separator: ";").compactMap { server -> SDLConfiguration.StunServer? in
-            let parts = server.split(separator: ":", maxSplits: 2)
-            guard parts.count == 2 else {
-                return nil
-            }
-            
-            let ports = parts[1].split(separator: ",", maxSplits: 2)
-            guard ports.count == 2, let port1 = Int(String(ports[0])), let port2 = Int(String(ports[1])) else {
-                return nil
-            }
-            
-            return .init(host: String(parts[0]), ports: [port1, port2])
-        }
-        
-        guard stunServers.count >= 2 else {
-            NSLog("stunServers配置错误")
-            return
-        }
-        
-        NSLog("[PacketTunnelProvider] client_id: \(clientId), token: \(token)")
-
-        let config = SDLConfiguration(version: 1,
-                                      installedChannel: installed_channel,
-                                      superHost: superIp,
-                                      superPort: superPort,
-                                      stunServers: stunServers,
-                                      clientId: clientId,
-                                      noticePort: noticePort,
-                                      token: token,
-                                      accessToken: accessToken,
-                                      remoteDnsServer: remoteDnsServer,
-                                      hostname: hostname)
         // 加密算法
         let rsaCipher = try! CCRSACipher(keySize: 1024)
         let aesChiper = CCAESChiper()

Tun/Punchnet/SDLConfiguration.swift

@@ -9,7 +9,6 @@ import NIOCore
 
 // 配置项目
 public class SDLConfiguration {
-    
     public struct StunServer {
         public let host: String
         public let ports: [Int]
@@ -40,12 +39,8 @@ public class SDLConfiguration {
     let stunServers: [StunServer]
     
     let remoteDnsServer: String
-    let hostname: String
-    
     let noticePort: Int
     
-    let networkAddress: NetworkAddress = .init(networkId: 8, ip: 0, maskLen: 24, mac: "xyz".data(using: .utf8)!, networkDomain: "punchnet")
-    
     lazy var stunSocketAddress: SocketAddress = {
         let stunServer = stunServers[0]
         return try! SocketAddress.makeAddressResolvingHost(stunServer.host, port: stunServer.ports[0])
@@ -62,18 +57,30 @@ public class SDLConfiguration {
     }()
     
     let clientId: String
-    let token: String
+    let networkAddress: NetworkAddress
+    let hostname: String
     let accessToken: String
 
-    public init(version: UInt8, installedChannel: String, superHost: String, superPort: Int, stunServers: [StunServer], clientId: String, noticePort: Int, token: String, accessToken: String, remoteDnsServer: String, hostname: String) {
+    public init(version: UInt8,
+                installedChannel: String,
+                superHost: String,
+                superPort: Int,
+                stunServers: [StunServer],
+                clientId: String,
+                networkAddress: NetworkAddress,
+                hostname: String,
+                noticePort: Int,
+                accessToken: String,
+                remoteDnsServer: String) {
+        
         self.version = version
         self.installedChannel = installedChannel
         self.superHost = superHost
         self.superPort = superPort
         self.stunServers = stunServers
         self.clientId = clientId
+        self.networkAddress = networkAddress
         self.noticePort = noticePort
-        self.token = token
         self.accessToken = accessToken
         self.remoteDnsServer = remoteDnsServer
         self.hostname = hostname
@@ -106,3 +113,79 @@ public class SDLConfiguration {
     }
     
 }
+
+// 解析配置文件
+extension SDLConfiguration {
+    
+    static func parse(options: [String: NSObject]) -> SDLConfiguration? {
+        guard let installed_channel = options["installed_channel"] as? String,
+              let superIp = options["super_ip"] as? String,
+              let superPort = options["super_port"] as? Int,
+              let stunServersStr = options["stun_servers"] as? String,
+              let noticePort = options["notice_port"] as? Int,
+              let token = options["token"] as? String,
+              let accessToken = options["access_token"] as? String,
+              let clientId = options["client_id"] as? String,
+              let remoteDnsServer = options["remote_dns_server"] as? String,
+              let hostname = options["hostname"] as? String,
+              let networkAddressDict = options["networkAddress"] as? [String: NSObject] else {
+            return nil
+        }
+
+        guard let stunServers = parseStunServers(stunServersStr: stunServersStr), stunServers.count >= 2 else {
+            NSLog("stunServers配置错误")
+            return nil
+        }
+        
+        guard let networkAddress = parseNetworkAddress(networkAddressDict) else {
+            return nil
+        }
+        
+        NSLog("[PacketTunnelProvider] client_id: \(clientId), token: \(token)")
+
+        return SDLConfiguration(version: 1,
+                                installedChannel: installed_channel,
+                                superHost: superIp,
+                                superPort: superPort,
+                                stunServers: stunServers,
+                                clientId: clientId,
+                                networkAddress: networkAddress,
+                                hostname: hostname,
+                                noticePort: noticePort,
+                                accessToken: accessToken,
+                                remoteDnsServer: remoteDnsServer)
+    }
+    
+    
+    private static func parseStunServers(stunServersStr: String) -> [SDLConfiguration.StunServer]? {
+        let stunServers = stunServersStr.split(separator: ";").compactMap { server -> SDLConfiguration.StunServer? in
+            let parts = server.split(separator: ":", maxSplits: 2)
+            guard parts.count == 2 else {
+                return nil
+            }
+            
+            let ports = parts[1].split(separator: ",", maxSplits: 2)
+            guard ports.count == 2, let port1 = Int(String(ports[0])), let port2 = Int(String(ports[1])) else {
+                return nil
+            }
+            
+            return .init(host: String(parts[0]), ports: [port1, port2])
+        }
+        
+        return stunServers.count >= 2 ? stunServers : nil
+    }
+    
+    private static func parseNetworkAddress(_ config: [String: NSObject]) -> SDLConfiguration.NetworkAddress? {
+        guard let networkId = config["network_id"] as? UInt32,
+              let ipStr = config["ip"] as? String,
+              let ip = SDLUtil.ipv4StrToInt32(ipStr),
+              let maskLen = config["mask_len"] as? UInt8,
+              let mac = config["mac"] as? Data,
+              let networkDomain = config["network_domain"] as? String else {
+            return nil
+        }
+        
+        return .init(networkId: networkId, ip: ip, maskLen: maskLen, mac: mac, networkDomain: networkDomain)
+    }
+    
+}

Tun/Punchnet/SDLUtil.swift

@@ -30,6 +30,21 @@ struct SDLUtil {
         return "\(ip0).\(ip1).\(ip2).\(ip3)"
     }
     
+    public static func ipv4StrToInt32(_ ip: String) -> UInt32? {
+        let parts = ip.split(separator: ".")
+        guard parts.count == 4 else {
+            return nil
+        }
+        
+        var result: UInt32 = 0
+        for part in parts {
+            guard let byte = UInt8(part) else { return nil }
+            result = (result << 8) | UInt32(byte)
+        }
+        
+        return result
+    }
+    
     // 判断ip地址是否在同一个网络
     public static func inSameNetwork(ip: UInt32, compareIp: UInt32, maskLen: UInt8) -> Bool {
         if ip == compareIp {