passepartout-apple/Passepartout/Tunnel/PacketTunnelProvider.swift

75 lines
2.2 KiB
Swift

//
// PacketTunnelProvider.swift
// Passepartout
//
// Created by Davide De Rosa on 2/24/24.
// Copyright (c) 2024 Davide De Rosa. All rights reserved.
//
// https://github.com/passepartoutvpn
//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import CommonLibrary
@preconcurrency import NetworkExtension
import PassepartoutKit
final class PacketTunnelProvider: NEPacketTunnelProvider, @unchecked Sendable {
private var fwd: NEPTPForwarder?
override func startTunnel(options: [String: NSObject]? = nil) async throws {
CommonLibrary.configureLogging(
to: BundleConfiguration.urlForTunnelLog,
parameters: Constants.shared.log
)
fwd = try await NEPTPForwarder(
provider: self,
decoder: .shared,
registry: .shared,
environment: .shared
)
do {
try await fwd?.startTunnel(options: options)
} catch {
CommonLibrary.flushLog()
throw error
}
}
override func stopTunnel(with reason: NEProviderStopReason) async {
await fwd?.stopTunnel(with: reason)
fwd = nil
CommonLibrary.flushLog()
}
override func cancelTunnelWithError(_ error: (any Error)?) {
CommonLibrary.flushLog()
super.cancelTunnelWithError(error)
}
override func handleAppMessage(_ messageData: Data) async -> Data? {
await fwd?.handleAppMessage(messageData)
}
override func wake() {
fwd?.wake()
}
override func sleep() async {
await fwd?.sleep()
}
}