78 lines
2.5 KiB
Swift
78 lines
2.5 KiB
Swift
// SPDX-License-Identifier: MIT
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// Copyright © 2018 WireGuard LLC. All Rights Reserved.
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import Foundation
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@available(OSX 10.14, iOS 12.0, *)
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final class TunnelConfiguration {
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var interface: InterfaceConfiguration
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let peers: [PeerConfiguration]
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var activationType: ActivationType
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init(interface: InterfaceConfiguration, peers: [PeerConfiguration]) {
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self.interface = interface
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self.peers = peers
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self.activationType = .activateManually
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let peerPublicKeysArray = peers.map { $0.publicKey }
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let peerPublicKeysSet = Set<Data>(peerPublicKeysArray)
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if (peerPublicKeysArray.count != peerPublicKeysSet.count) {
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fatalError("Two or more peers cannot have the same public key")
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}
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}
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}
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@available(OSX 10.14, iOS 12.0, *)
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struct InterfaceConfiguration: Codable {
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var name: String
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var privateKey: Data
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var addresses: [IPAddressRange] = []
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var listenPort: UInt16?
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var mtu: UInt16?
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var dns: [DNSServer] = []
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init(name: String, privateKey: Data) {
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self.name = name
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self.privateKey = privateKey
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if (name.isEmpty) { fatalError("Empty name") }
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if (privateKey.count != 32) { fatalError("Invalid private key") }
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}
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}
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@available(OSX 10.14, iOS 12.0, *)
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struct PeerConfiguration: Codable {
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var publicKey: Data
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var preSharedKey: Data? {
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didSet(value) {
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if let value = value {
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if (value.count != 32) { fatalError("Invalid preshared key") }
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}
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}
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}
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var allowedIPs: [IPAddressRange] = []
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var endpoint: Endpoint?
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var persistentKeepAlive: UInt16?
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init(publicKey: Data) {
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self.publicKey = publicKey
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if (publicKey.count != 32) { fatalError("Invalid public key") }
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}
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}
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extension TunnelConfiguration: Encodable { }
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extension TunnelConfiguration: Decodable {
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enum CodingKeys: CodingKey {
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case interface
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case peers
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case activationType
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}
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convenience init(from decoder: Decoder) throws {
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let values = try decoder.container(keyedBy: CodingKeys.self)
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let interface = try values.decode(InterfaceConfiguration.self, forKey: .interface)
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let peers = try values.decode([PeerConfiguration].self, forKey: .peers)
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let activationType = (try? values.decode(ActivationType.self, forKey: .activationType)) ?? .activateManually
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self.init(interface: interface, peers: peers)
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self.activationType = activationType
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}
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}
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