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cmd/stunc: support user-specified port (#12469)
Updates tailscale/corp#20689 Signed-off-by: Jordan Whited <jordan@tailscale.com>
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@ -8,6 +8,7 @@
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"log"
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"log"
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"net"
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"net"
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"os"
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"os"
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"strconv"
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"tailscale.com/net/stun"
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"tailscale.com/net/stun"
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)
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)
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@ -15,12 +16,20 @@
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func main() {
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func main() {
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log.SetFlags(0)
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log.SetFlags(0)
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if len(os.Args) != 2 {
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if len(os.Args) < 2 || len(os.Args) > 3 {
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log.Fatalf("usage: %s <hostname>", os.Args[0])
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log.Fatalf("usage: %s <hostname> [port]", os.Args[0])
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}
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}
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host := os.Args[1]
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host := os.Args[1]
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port := "3478"
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if len(os.Args) == 3 {
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port = os.Args[2]
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}
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_, err := strconv.ParseUint(port, 10, 16)
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if err != nil {
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log.Fatalf("invalid port: %v", err)
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}
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uaddr, err := net.ResolveUDPAddr("udp", net.JoinHostPort(host, "3478"))
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uaddr, err := net.ResolveUDPAddr("udp", net.JoinHostPort(host, port))
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if err != nil {
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if err != nil {
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log.Fatal(err)
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log.Fatal(err)
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}
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}
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