burrow/Apple/NetworkExtension/PacketTunnelProvider.swift
Jett Chen 3ef13b09a3 Add C Swift Bindings
This adds C Swift bindings for burrow via compiling burrow
with a matching header file.
2023-08-16 13:28:20 -04:00

39 lines
1.3 KiB
Swift

import libburrow
import NetworkExtension
import OSLog
class PacketTunnelProvider: NEPacketTunnelProvider {
let logger = Logger(subsystem: "com.hackclub.burrow", category: "General")
override func startTunnel(options: [String: NSObject]?, completionHandler: @escaping (Error?) -> Void) {
let fild = libburrow.retrieve()
if fild == -1 {
// Not sure if this is the right way to return an error
logger.error("Failed to retrieve file descriptor for burrow.")
let err = NSError(
domain: "com.hackclub.burrow",
code: 1_010,
userInfo: [NSLocalizedDescriptionKey: "Failed to find TunInterface"]
)
completionHandler(err)
}
logger.info("fd: \(fild)")
completionHandler(nil)
}
override func stopTunnel(with reason: NEProviderStopReason, completionHandler: @escaping () -> Void) {
completionHandler()
}
override func handleAppMessage(_ messageData: Data, completionHandler: ((Data?) -> Void)?) {
if let handler = completionHandler {
handler(messageData)
}
}
override func sleep(completionHandler: @escaping () -> Void) {
completionHandler()
}
override func wake() {
}
}