Don't crash on failure to obtain version info and inform user on what is needed to be able to retrieve version info from the Go client.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-10-01 15:37:15 +02:00
parent 86646448ac
commit 33cdc14070
3 changed files with 34 additions and 12 deletions
@@ -112,7 +112,9 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
    override func handleAppMessage(_ messageData: Data, completionHandler: ((Data?) -> Void)?) {
        let responseData: Data?

-        switch ExtensionMessage(messageData) {
+        let message = ExtensionMessage(messageData)
+
+        switch message {
        case ExtensionMessage.requestVersion:
            responseData = (wgVersion().flatMap { String(cString: $0) } ?? "").data(using: .utf8)
        default: