Updated NETunnelProvider save format

Signed-off-by: Eric Kuck <eric@bluelinelabs.com>
2018-12-20 22:52:45 -06:00
parent 38445114e0
commit 8553723e04
23 changed files with 664 additions and 224 deletions
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Foundation
+
+struct InterfaceConfiguration {
+    var name: String
+    var privateKey: Data
+    var addresses = [IPAddressRange]()
+    var listenPort: UInt16?
+    var mtu: UInt16?
+    var dns = [DNSServer]()
+    
+    init(name: String, privateKey: Data) {
+        self.name = name
+        self.privateKey = privateKey
+        if name.isEmpty {
+            fatalError("Empty name")
+        }
+        if privateKey.count != TunnelConfiguration.keyLength {
+            fatalError("Invalid private key")
+        }
+    }
+}
+
+extension InterfaceConfiguration: Codable {
+    enum CodingKeys: String, CodingKey {
+        case name = "Name"
+        case privateKey = "PrivateKey"
+        case addresses = "Address"
+        case listenPort = "ListenPort"
+        case mtu = "MTU"
+        case dns = "DNS"
+    }
+    
+    init(from decoder: Decoder) throws {
+        let values = try decoder.container(keyedBy: CodingKeys.self)
+        name = try values.decode(String.self, forKey: .name)
+        privateKey = try Data(base64Encoded: values.decode(String.self, forKey: .privateKey))!
+        addresses = try values.decode([IPAddressRange].self, forKey: .addresses)
+        listenPort = try? values.decode(UInt16.self, forKey: .listenPort)
+        mtu = try? values.decode(UInt16.self, forKey: .mtu)
+        dns = try values.decode([DNSServer].self, forKey: .dns)
+    }
+    
+    func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        try container.encode(name, forKey: .name)
+        try container.encode(privateKey.base64EncodedString(), forKey: .privateKey)
+        try container.encode(addresses, forKey: .addresses)
+        if let listenPort = listenPort {
+            try container.encode(listenPort, forKey: .listenPort)
+        }
+        if let mtu = mtu {
+            try container.encode(mtu, forKey: .mtu)
+        }
+        try container.encode(dns, forKey: .dns)
+    }
+}