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Code Pull requests Releases Packages Activity Actions 4

Add rudimentary NetworkSettings generation

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This commit is contained in:
Jett Chen 2023-08-26 16:22:09 +08:00
parent 22e41203fb
commit 309db8085d
8 changed files with 418 additions and 10 deletions
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12
Apple/NetworkExtension/PacketTunnelProvider.swift
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@ -4,7 +4,9 @@ import OSLog
class PacketTunnelProvider: NEPacketTunnelProvider {
let logger = Logger(subsystem: "com.hackclub.burrow", category: "General")
override func startTunnel(options: [String: NSObject]?, completionHandler: @escaping (Error?) -> Void) {
libburrow.initialize_oslog()
let fild = libburrow.retrieve()
if fild == -1 {
// Not sure if this is the right way to return an error
@ -17,6 +19,8 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
completionHandler(err)
}
logger.info("fd: \(fild)")
let networkSettings = genNetSec(fild: fild)
logger.info("Network Settings: - ipv4:\(networkSettings.ipv4Settings) -mtu: \(networkSettings.mtu)")
completionHandler(nil)
}
@ -24,6 +28,14 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
completionHandler()
}
func genNetSec(fild: Int32) -> NEPacketTunnelNetworkSettings {
logger.debug("getting Network settings with fild \(fild) ...")
let settings = libburrow.getNetworkSettings(fild)
logger.debug("genNetSec Called: \n ipv4: \(settings.ipv4_addr) \n netmask: \(settings.ipv4_netmask) \n mtu: \(settings.mtu)")
let tNetworksettings = TunCrateNetworkSettings(addr: settings.ipv4_addr, netmask: settings.ipv4_netmask, mtu: settings.mtu)
return tNetworksettings.generateNetworkSettings()
}
override func handleAppMessage(_ messageData: Data, completionHandler: ((Data?) -> Void)?) {
if let handler = completionHandler {
handler(messageData)