157 lines
4.6 KiB
Swift
157 lines
4.6 KiB
Swift
//
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// HostConnectionProfile.m
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// Passepartout
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//
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// Created by Davide De Rosa on 9/2/18.
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// Copyright (c) 2021 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import Foundation
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import TunnelKit
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public class HostConnectionProfile: ConnectionProfile, Codable, Equatable {
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// XXX: drop after @transient serviceDelegate
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public enum CodingKeys: CodingKey {
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case hostname
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case parameters
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case customAddress
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case customProtocol
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case id
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case username
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case trustedNetworks
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case networkChoices
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case manualNetworkSettings
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}
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public let hostname: String
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public var parameters: OpenVPNTunnelProvider.Configuration
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public var customAddress: String?
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public var customProtocol: EndpointProtocol?
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public init(hostname: String) {
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id = UUID().uuidString
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self.hostname = hostname
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let sessionConfiguration = OpenVPN.ConfigurationBuilder().build()
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parameters = OpenVPNTunnelProvider.ConfigurationBuilder(sessionConfiguration: sessionConfiguration).build()
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trustedNetworks = TrustedNetworks()
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}
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// MARK: ConnectionProfile
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public var context: Context {
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return .host
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}
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public let id: String
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public var username: String?
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public var requiresCredentials: Bool {
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return false
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}
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public var trustedNetworks: TrustedNetworks!
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public var networkChoices: ProfileNetworkChoices?
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public var manualNetworkSettings: ProfileNetworkSettings?
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public weak var serviceDelegate: ConnectionServiceDelegate?
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public func generate(from configuration: OpenVPNTunnelProvider.Configuration, preferences: Preferences) throws -> OpenVPNTunnelProvider.Configuration {
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guard let endpointProtocols = parameters.sessionConfiguration.endpointProtocols, !endpointProtocols.isEmpty else {
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preconditionFailure("No endpointProtocols")
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}
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// XXX: copy paste, error prone
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var builder = parameters.builder()
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builder.shouldDebug = configuration.shouldDebug
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builder.debugLogFormat = configuration.debugLogFormat
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builder.masksPrivateData = configuration.masksPrivateData
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if let address = customAddress {
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builder.prefersResolvedAddresses = true
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builder.resolvedAddresses = [address]
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}
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// forcibly override hostname with profile hostname (never nil)
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var sessionBuilder = builder.sessionConfiguration.builder()
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sessionBuilder.hostname = hostname
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sessionBuilder.tlsSecurityLevel = 0 // lowest, tolerate widest range of certificates
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if sessionBuilder.mtu == nil {
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sessionBuilder.mtu = configuration.sessionConfiguration.mtu
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}
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if let proto = customProtocol {
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sessionBuilder.endpointProtocols = [proto]
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} else {
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// restrict "Any" protocol to UDP, unless there are no UDP endpoints
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let allEndpoints = builder.sessionConfiguration.endpointProtocols
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var endpoints = allEndpoints?.filter { $0.socketType == .udp }
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if endpoints?.isEmpty ?? true {
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endpoints = allEndpoints
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}
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sessionBuilder.endpointProtocols = endpoints
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}
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builder.sessionConfiguration = sessionBuilder.build()
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return builder.build()
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}
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}
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public extension HostConnectionProfile {
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static func ==(lhs: HostConnectionProfile, rhs: HostConnectionProfile) -> Bool {
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return lhs.id == rhs.id
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}
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}
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public extension HostConnectionProfile {
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var mainAddress: String? {
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return hostname
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}
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var addresses: [String] {
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return [hostname]
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}
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var protocols: [EndpointProtocol] {
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return parameters.sessionConfiguration.endpointProtocols ?? []
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}
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var canCustomizeEndpoint: Bool {
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return true
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}
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}
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