init

PacketTunnel/Header.h

@@ -0,0 +1,13 @@
+//
+//  Header.h
+//  PacketTunnel
+//
+//  Created by HossinAsaadi on 7/23/23.
+//
+
+
+#ifndef Header_h
+#define Header_h
+#import <libtun2socks/tun2socks.h>
+
+#endif /* Header_h */

PacketTunnel/Info.plist

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.networkextension.packet-tunnel</string>
+		<key>NSExtensionPrincipalClass</key>
+		<string>$(PRODUCT_MODULE_NAME).PacketTunnelProvider</string>
+	</dict>
+</dict>
+</plist>

PacketTunnel/PacketTunnel.entitlements

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.developer.networking.networkextension</key>
+	<array>
+		<string>packet-tunnel-provider</string>
+	</array>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.hossin.asaadi.sshTunnel</string>
+	</array>
+	<key>com.apple.security.network.client</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
+</dict>
+</plist>

PacketTunnel/PacketTunnelProvider.swift

@@ -0,0 +1,96 @@
+//
+//  PacketTunnelProvider.swift
+//  PacketTunnel
+//
+//  Created by HossinAsaadi on 7/23/23.
+//
+
+import NetworkExtension
+import SshLib
+class PacketTunnelProvider: NEPacketTunnelProvider {
+    var tunnelFd: Int32? {
+        var buf = [CChar](repeating: 0, count: Int(IFNAMSIZ))
+
+        for fd: Int32 in 0 ... 1024 {
+            var len = socklen_t(buf.count)
+
+            if getsockopt(fd, 2 /* IGMP */, 2, &buf, &len) == 0 && String(cString: buf).hasPrefix("utun") {
+                return fd
+            }
+        }
+
+        return packetFlow.value(forKey: "socket.fileDescriptor") as? Int32
+    }
+
+    override func startTunnel(options: [String : NSObject]?, completionHandler: @escaping (Error?) -> Void) {
+        let tunnelNetworkSettings = createTunnelSettings()
+        self.setTunnelNetworkSettings(tunnelNetworkSettings)
+
+        let localSocks = "127.0.0.1:10801"
+        let sshAddress = "1.1.1.1:22"
+        let sshUser = "root"
+        let sshPass = "1234"
+
+        let udpGwRemote = "1.1.1.1:7300"
+
+
+        DispatchQueue.global(qos: .userInitiated).async {
+
+            NSLog("run ssh : \(SshlibInitSSH(sshAddress,localSocks,sshUser,sshPass))")
+
+        }
+        DispatchQueue.global(qos: .userInitiated).async {
+
+            let argv = ["tun2socks",
+                        "--netif-ipaddr",
+                        "240.0.0.4",
+                        "--netif-netmask",
+                        "255.255.255.0",
+                        "--loglevel",
+                        "debug",
+                        "--socks-server-addr",
+                        localSocks,
+                        "--udpgw-remote-server-addr",
+                        udpGwRemote,
+            ]
+            var cargs = argv.map { strdup($0) }
+
+            NSLog("run tun2socks_main: \(tun2socks_main(Int32(argv.count),&cargs,self.tunnelFd!,Int32(1500)))")
+
+
+        }
+
+        completionHandler(nil)
+
+    }
+
+    override func stopTunnel(with reason: NEProviderStopReason, completionHandler: @escaping () -> Void) {
+        completionHandler()
+    }
+
+    override func handleAppMessage(_ messageData: Data, completionHandler: ((Data?) -> Void)?) {
+        // Add code here to handle the message.
+        if let handler = completionHandler {
+            handler(messageData)
+        }
+    }
+
+    override func sleep(completionHandler: @escaping () -> Void) {
+        // Add code here to get ready to sleep.
+        completionHandler()
+    }
+
+    override func wake() {
+        // Add code here to wake up.
+    }
+    func createTunnelSettings() -> NEPacketTunnelNetworkSettings  {
+        let newSettings = NEPacketTunnelNetworkSettings(tunnelRemoteAddress: "240.0.0.10")
+        newSettings.ipv4Settings = NEIPv4Settings(addresses: ["240.0.0.2"], subnetMasks: ["255.255.255.0"])
+        newSettings.ipv4Settings?.includedRoutes = [NEIPv4Route.`default`()]
+        newSettings.proxySettings = nil
+        newSettings.dnsSettings = NEDNSSettings(servers: ["8.8.8.8"])
+        newSettings.mtu = (1500) as NSNumber
+
+        return newSettings
+    }
+}

SshLib.xcframework/Info.plist

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>AvailableLibraries</key>
+	<array>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64_x86_64-simulator</string>
+			<key>LibraryPath</key>
+			<string>SshLib.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>x86_64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+			<key>SupportedPlatformVariant</key>
+			<string>simulator</string>
+		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>macos-arm64_x86_64</string>
+			<key>LibraryPath</key>
+			<string>SshLib.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>x86_64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>macos</string>
+		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64</string>
+			<key>LibraryPath</key>
+			<string>SshLib.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+		</dict>
+	</array>
+	<key>CFBundlePackageType</key>
+	<string>XFWK</string>
+	<key>XCFrameworkFormatVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>

SshLib.xcframework/ios-arm64/SshLib.framework/Headers

@@ -0,0 +1 @@
+Versions/Current/Headers

SshLib.xcframework/ios-arm64/SshLib.framework/Modules

@@ -0,0 +1 @@
+Versions/Current/Modules

SshLib.xcframework/ios-arm64/SshLib.framework/Resources

@@ -0,0 +1 @@
+Versions/Current/Resources

SshLib.xcframework/ios-arm64/SshLib.framework/SshLib

@@ -0,0 +1 @@
+Versions/Current/SshLib

SshLib.xcframework/ios-arm64/SshLib.framework/Versions/A/Headers/SshLib.h

@@ -0,0 +1,13 @@
+
+// Objective-C API for talking to the following Go packages
+//
+//	sshlib
+//
+// File is generated by gomobile bind. Do not edit.
+#ifndef __SshLib_FRAMEWORK_H__
+#define __SshLib_FRAMEWORK_H__
+
+#include "Sshlib.objc.h"
+#include "Universe.objc.h"
+
+#endif

SshLib.xcframework/ios-arm64/SshLib.framework/Versions/A/Headers/Sshlib.objc.h

@@ -0,0 +1,16 @@
+// Objective-C API for talking to sshlib Go package.
+//   gobind -lang=objc sshlib
+//
+// File is generated by gobind. Do not edit.
+
+#ifndef __Sshlib_H__
+#define __Sshlib_H__
+
+@import Foundation;
+#include "ref.h"
+#include "Universe.objc.h"
+
+
+FOUNDATION_EXPORT void SshlibInitSSH(NSString* _Nullable sshAddress, NSString* _Nullable socks5Address, NSString* _Nullable sshUser, NSString* _Nullable sshPass);
+
+#endif

SshLib.xcframework/ios-arm64/SshLib.framework/Versions/A/Headers/Universe.objc.h

@@ -0,0 +1,29 @@
+// Objective-C API for talking to  Go package.
+//   gobind -lang=objc 
+//
+// File is generated by gobind. Do not edit.
+
+#ifndef __Universe_H__
+#define __Universe_H__
+
+@import Foundation;
+#include "ref.h"
+
+@protocol Universeerror;
+@class Universeerror;
+
+@protocol Universeerror <NSObject>
+- (NSString* _Nonnull)error;
+@end
+
+@class Universeerror;
+
+@interface Universeerror : NSError <goSeqRefInterface, Universeerror> {
+}
+@property(strong, readonly) _Nonnull id _ref;
+
+- (nonnull instancetype)initWithRef:(_Nonnull id)ref;
+- (NSString* _Nonnull)error;
+@end
+
+#endif

SshLib.xcframework/ios-arm64/SshLib.framework/Versions/A/Headers/ref.h

@@ -0,0 +1,35 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#ifndef __GO_REF_HDR__
+#define __GO_REF_HDR__
+
+#include <Foundation/Foundation.h>
+
+// GoSeqRef is an object tagged with an integer for passing back and
+// forth across the language boundary. A GoSeqRef may represent either
+// an instance of a Go object, or an Objective-C object passed to Go.
+// The explicit allocation of a GoSeqRef is used to pin a Go object
+// when it is passed to Objective-C. The Go seq package maintains a
+// reference to the Go object in a map keyed by the refnum along with
+// a reference count. When the reference count reaches zero, the Go
+// seq package will clear the corresponding entry in the map.
+@interface GoSeqRef : NSObject {
+}
+@property(readonly) int32_t refnum;
+@property(strong) id obj; // NULL when representing a Go object.
+
+// new GoSeqRef object to proxy a Go object. The refnum must be
+// provided from Go side.
+- (instancetype)initWithRefnum:(int32_t)refnum obj:(id)obj;
+
+- (int32_t)incNum;
+
+@end
+
+@protocol goSeqRefInterface
+-(GoSeqRef*) _ref;
+@end
+
+#endif

SshLib.xcframework/ios-arm64/SshLib.framework/Versions/A/Modules/module.modulemap

@@ -0,0 +1,8 @@
+framework module "SshLib" {
+	header "ref.h"
+    header "Sshlib.objc.h"
+    header "Universe.objc.h"
+    header "SshLib.h"
+
+    export *
+}

SshLib.xcframework/ios-arm64/SshLib.framework/Versions/A/Resources/Info.plist

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+    <plist version="1.0">
+      <dict>
+      </dict>
+    </plist>

SshLib.xcframework/ios-arm64/SshLib.framework/Versions/Current

@@ -0,0 +1 @@
+A

SshLib.xcframework/ios-arm64_x86_64-simulator/SshLib.framework/Headers

@@ -0,0 +1 @@
+Versions/Current/Headers

SshLib.xcframework/ios-arm64_x86_64-simulator/SshLib.framework/Modules

@@ -0,0 +1 @@
+Versions/Current/Modules

SshLib.xcframework/ios-arm64_x86_64-simulator/SshLib.framework/Resources

@@ -0,0 +1 @@
+Versions/Current/Resources

SshLib.xcframework/ios-arm64_x86_64-simulator/SshLib.framework/SshLib

@@ -0,0 +1 @@
+Versions/Current/SshLib

SshLib.xcframework/ios-arm64_x86_64-simulator/SshLib.framework/Versions/A/Headers/SshLib.h

@@ -0,0 +1,13 @@
+
+// Objective-C API for talking to the following Go packages
+//
+//	sshlib
+//
+// File is generated by gomobile bind. Do not edit.
+#ifndef __SshLib_FRAMEWORK_H__
+#define __SshLib_FRAMEWORK_H__
+
+#include "Sshlib.objc.h"
+#include "Universe.objc.h"
+
+#endif

SshLib.xcframework/ios-arm64_x86_64-simulator/SshLib.framework/Versions/A/Headers/Sshlib.objc.h

@@ -0,0 +1,16 @@
+// Objective-C API for talking to sshlib Go package.
+//   gobind -lang=objc sshlib
+//
+// File is generated by gobind. Do not edit.
+
+#ifndef __Sshlib_H__
+#define __Sshlib_H__
+
+@import Foundation;
+#include "ref.h"
+#include "Universe.objc.h"
+
+
+FOUNDATION_EXPORT void SshlibInitSSH(NSString* _Nullable sshAddress, NSString* _Nullable socks5Address, NSString* _Nullable sshUser, NSString* _Nullable sshPass);
+
+#endif