Localize remaining strings in network extension

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2018-12-22 03:41:54 +01:00
parent 9d9859248e
commit 8365adf435
5 changed files with 42 additions and 40 deletions
@@ -4,32 +4,16 @@
import NetworkExtension
class ErrorNotifier {
let activationAttemptId: String?
weak var tunnelProvider: NEPacketTunnelProvider?
init(activationAttemptId: String?, tunnelProvider: NEPacketTunnelProvider) {
init(activationAttemptId: String?) {
self.activationAttemptId = activationAttemptId
self.tunnelProvider = tunnelProvider
ErrorNotifier.removeLastErrorFile()
}
func errorMessage(for error: PacketTunnelProviderError) -> (String, String)? {
switch error {
case .savedProtocolConfigurationIsInvalid:
return ("Activation failure", "Could not retrieve tunnel information from the saved configuration.")
case .dnsResolutionFailure:
return ("DNS resolution failure", "One or more endpoint domains could not be resolved.")
case .couldNotStartWireGuard:
return ("Activation failure", "WireGuard backend could not be started.")
case .coultNotSetNetworkSettings:
return ("Activation failure", "Error applying network settings on the tunnel.")
}
}
func notify(_ error: PacketTunnelProviderError) {
guard let (title, message) = errorMessage(for: error), let activationAttemptId = activationAttemptId, let lastErrorFilePath = FileManager.networkExtensionLastErrorFileURL?.path else { return }
let errorMessageData = "\(activationAttemptId)\n\(title)\n\(message)".data(using: .utf8)
guard let activationAttemptId = activationAttemptId, let lastErrorFilePath = FileManager.networkExtensionLastErrorFileURL?.path else { return }
let errorMessageData = "\(activationAttemptId)\n\(error)".data(using: .utf8)
FileManager.default.createFile(atPath: lastErrorFilePath, contents: errorMessageData, attributes: nil)
}
@@ -6,13 +6,6 @@ import Network
import NetworkExtension
import os.log
enum PacketTunnelProviderError: Error {
case savedProtocolConfigurationIsInvalid
case dnsResolutionFailure
case couldNotStartWireGuard
case coultNotSetNetworkSettings
}
class PacketTunnelProvider: NEPacketTunnelProvider {
private var wgHandle: Int32?
@@ -26,7 +19,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
override func startTunnel(options: [String: NSObject]?, completionHandler startTunnelCompletionHandler: @escaping (Error?) -> Void) {
let activationAttemptId = options?["activationAttemptId"] as? String
let errorNotifier = ErrorNotifier(activationAttemptId: activationAttemptId, tunnelProvider: self)
let errorNotifier = ErrorNotifier(activationAttemptId: activationAttemptId)
guard let tunnelProviderProtocol = protocolConfiguration as? NETunnelProviderProtocol,
let tunnelConfiguration = tunnelProviderProtocol.asTunnelConfiguration() else {
@@ -52,8 +45,8 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
let fileDescriptor = packetFlow.value(forKeyPath: "socket.fileDescriptor") as! Int32 //swiftlint:disable:this force_cast
if fileDescriptor < 0 {
wg_log(.error, staticMessage: "Starting tunnel failed: Could not determine file descriptor")
errorNotifier.notify(PacketTunnelProviderError.couldNotStartWireGuard)
startTunnelCompletionHandler(PacketTunnelProviderError.couldNotStartWireGuard)
errorNotifier.notify(PacketTunnelProviderError.couldNotDetermineFileDescriptor)
startTunnelCompletionHandler(PacketTunnelProviderError.couldNotDetermineFileDescriptor)
return
}
@@ -67,8 +60,8 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
let handle = wireguardSettings.withGoString { return wgTurnOn($0, fileDescriptor) }
if handle < 0 {
wg_log(.error, message: "Starting tunnel failed with wgTurnOn returning \(handle)")
errorNotifier.notify(PacketTunnelProviderError.couldNotStartWireGuard)
startTunnelCompletionHandler(PacketTunnelProviderError.couldNotStartWireGuard)
errorNotifier.notify(PacketTunnelProviderError.couldNotStartBackend)
startTunnelCompletionHandler(PacketTunnelProviderError.couldNotStartBackend)
return
}
wgHandle = handle
@@ -77,8 +70,8 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
setTunnelNetworkSettings(networkSettings) { error in
if let error = error {
wg_log(.error, message: "Starting tunnel failed with setTunnelNetworkSettings returning \(error.localizedDescription)")
errorNotifier.notify(PacketTunnelProviderError.coultNotSetNetworkSettings)
startTunnelCompletionHandler(PacketTunnelProviderError.coultNotSetNetworkSettings)
errorNotifier.notify(PacketTunnelProviderError.couldNotSetNetworkSettings)
startTunnelCompletionHandler(PacketTunnelProviderError.couldNotSetNetworkSettings)
} else {
startTunnelCompletionHandler(nil)
}