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Load site from existing preferences when starting

This commit is contained in:
Ian VanSchooten 2024-10-17 16:07:08 -04:00
parent 0c70c794cb
commit 0fde99a34f
1 changed files with 88 additions and 68 deletions
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150
ios/NebulaNetworkExtension/PacketTunnelProvider.swift
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@ -28,76 +28,96 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
} }
private func start(completionHandler: @escaping (Error?) -> Void) { private func start(completionHandler: @escaping (Error?) -> Void) {
let proto = self.protocolConfiguration as! NETunnelProviderProtocol // Load vpn configs from system, and find the manager matching the one being started
var config: Data NETunnelProviderManager.loadAllFromPreferences() { managers, error in
var key: String let targetProtoConfig = self.protocolConfiguration as? NETunnelProviderProtocol;
let targetID = targetProtoConfig?.providerConfiguration!["id"] as? String;
do { guard let managers = managers else {
site = try Site(proto: proto) self.log.error("No managers were loaded")
config = try site!.getConfig() return
} catch {
//TODO: need a way to notify the app
log.error("Failed to render config from vpn object")
return completionHandler(error)
}
let _site = site!
do {
key = try _site.getKey()
} catch {
return completionHandler(error)
}
let fileDescriptor = tunnelFileDescriptor
if fileDescriptor == nil {
return completionHandler("Unable to locate the tun file descriptor")
}
let tunFD = Int(fileDescriptor!)
// This is set to 127.0.0.1 because it has to be something..
let tunnelNetworkSettings = NEPacketTunnelNetworkSettings(tunnelRemoteAddress: "127.0.0.1")
// Make sure our ip is routed to the tun device
var err: NSError?
let ipNet = MobileNebulaParseCIDR(_site.cert!.cert.details.ips[0], &err)
if (err != nil) {
return completionHandler(err!)
}
tunnelNetworkSettings.ipv4Settings = NEIPv4Settings(addresses: [ipNet!.ip], subnetMasks: [ipNet!.maskCIDR])
var routes: [NEIPv4Route] = [NEIPv4Route(destinationAddress: ipNet!.network, subnetMask: ipNet!.maskCIDR)]
// Add our unsafe routes
_site.unsafeRoutes.forEach { unsafeRoute in
let ipNet = MobileNebulaParseCIDR(unsafeRoute.route, &err)
if (err != nil) {
return completionHandler(err!)
}
routes.append(NEIPv4Route(destinationAddress: ipNet!.network, subnetMask: ipNet!.maskCIDR))
}
tunnelNetworkSettings.ipv4Settings!.includedRoutes = routes
tunnelNetworkSettings.mtu = _site.mtu as NSNumber
self.setTunnelNetworkSettings(tunnelNetworkSettings, completionHandler: {(error:Error?) in
if (error != nil) {
return completionHandler(error!)
} }
var err: NSError? for manager in managers {
self.nebula = MobileNebulaNewNebula(String(data: config, encoding: .utf8), key, self.site!.logFile, tunFD, &err) var config: Data
self.startNetworkMonitor() var key: String
if err != nil { let mgr = manager.protocolConfiguration as? NETunnelProviderProtocol;
self.log.error("We had an error starting up: \(err, privacy: .public)") let id = mgr?.providerConfiguration!["id"] as? String;
return completionHandler(err!)
if (id == targetID) {
do {
self.site = try Site(manager: manager)
config = try self.site!.getConfig()
} catch {
//TODO: need a way to notify the app
self.log.error("Failed to render config from vpn object")
return completionHandler(error)
}
let _site = self.site!
do {
key = try _site.getKey()
} catch {
return completionHandler(error)
}
let fileDescriptor = self.tunnelFileDescriptor
if fileDescriptor == nil {
return completionHandler("Unable to locate the tun file descriptor")
}
let tunFD = Int(fileDescriptor!)
// This is set to 127.0.0.1 because it has to be something..
let tunnelNetworkSettings = NEPacketTunnelNetworkSettings(tunnelRemoteAddress: "127.0.0.1")
// Make sure our ip is routed to the tun device
var err: NSError?
let ipNet = MobileNebulaParseCIDR(_site.cert!.cert.details.ips[0], &err)
if (err != nil) {
return completionHandler(err!)
}
tunnelNetworkSettings.ipv4Settings = NEIPv4Settings(addresses: [ipNet!.ip], subnetMasks: [ipNet!.maskCIDR])
var routes: [NEIPv4Route] = [NEIPv4Route(destinationAddress: ipNet!.network, subnetMask: ipNet!.maskCIDR)]
// Add our unsafe routes
_site.unsafeRoutes.forEach { unsafeRoute in
let ipNet = MobileNebulaParseCIDR(unsafeRoute.route, &err)
if (err != nil) {
return completionHandler(err!)
}
routes.append(NEIPv4Route(destinationAddress: ipNet!.network, subnetMask: ipNet!.maskCIDR))
}
tunnelNetworkSettings.ipv4Settings!.includedRoutes = routes
tunnelNetworkSettings.mtu = _site.mtu as NSNumber
self.setTunnelNetworkSettings(tunnelNetworkSettings, completionHandler: {(error:Error?) in
if (error != nil) {
return completionHandler(error!)
}
var err: NSError?
self.nebula = MobileNebulaNewNebula(String(data: config, encoding: .utf8), key, self.site!.logFile, tunFD, &err)
self.startNetworkMonitor()
if err != nil {
self.log.error("We had an error starting up: \(err, privacy: .public)")
return completionHandler(err!)
}
self.nebula!.start()
self.dnUpdater.updateSingleLoop(site: self.site!, onUpdate: self.handleDNUpdate)
completionHandler(nil)
})
// We're done looking through managers
continue
}
} }
}
self.nebula!.start()
self.dnUpdater.updateSingleLoop(site: self.site!, onUpdate: self.handleDNUpdate)
completionHandler(nil)
})
} }
private func handleDNUpdate(newSite: Site) { private func handleDNUpdate(newSite: Site) {