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cmd/natc: add --wg-port flag

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Updates tailscale/corp#20503

Signed-off-by: Fran Bull <fran@tailscale.com>
This commit is contained in:
Fran Bull 2024-06-05 09:51:49 -07:00 committed by franbull
parent 4a8cb1d9f3
commit 573c8bd8c7
1 changed files with 7 additions and 0 deletions
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7
cmd/natc/natc.go
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@ -55,6 +55,7 @@ func main() {
verboseTSNet = fs.Bool("verbose-tsnet", false, "enable verbose logging in tsnet")
printULA = fs.Bool("print-ula", false, "print the ULA prefix and exit")
ignoreDstPfxStr = fs.String("ignore-destinations", "", "comma-separated list of prefixes to ignore")
wgPort = fs.Uint("wg-port", 0, "udp port for wireguard and peer to peer traffic")
)
ff.Parse(fs, os.Args[1:], ff.WithEnvVarPrefix("TS_NATC"))
@ -104,6 +105,12 @@ func main() {
ts := &tsnet.Server{
Hostname: *hostname,
}
if *wgPort != 0 {
if *wgPort >= 1<<16 {
log.Fatalf("wg-port must be in the range [0, 65535]")
}
ts.Port = uint16(*wgPort)
}
defer ts.Close()
if *verboseTSNet {
ts.Logf = log.Printf