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// 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)
}
}
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