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wireguard-apple
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Do not crash if we can't get socket.fileDescriptor 

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-12-22 05:12:53 +01:00
parent 9098cd1161
commit b0b6866c51
1 changed files with 1 additions and 1 deletions
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2
WireGuard/WireGuardNetworkExtension/PacketTunnelProvider.swift
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@ -38,7 +38,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
packetTunnelSettingsGenerator = PacketTunnelSettingsGenerator(tunnelConfiguration: tunnelConfiguration, resolvedEndpoints: resolvedEndpoints)
let fileDescriptor = packetFlow.value(forKeyPath: "socket.fileDescriptor") as! Int32 //swiftlint:disable:this force_cast
let fileDescriptor = (packetFlow.value(forKeyPath: "socket.fileDescriptor") as? Int32) ?? -1
if fileDescriptor < 0 {
wg_log(.error, staticMessage: "Starting tunnel failed: Could not determine file descriptor")
errorNotifier.notify(PacketTunnelProviderError.couldNotDetermineFileDescriptor)