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fix: reformat IPv6 ICE addresses when hole punching #3050

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merged 1 commit into from
Dec 16, 2024
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fix: reformat IPv6 ICE addresses when hole punching #3050

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8 changes: 7 additions & 1 deletion client/internal/peer/worker_ice.go
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Original file line number Diff line number Diff line change
Expand Up @@ -264,7 +264,13 @@ func (w *WorkerICE) closeAgent(cancel context.CancelFunc) {
func (w *WorkerICE) punchRemoteWGPort(pair *ice.CandidatePair, remoteWgPort int) {
// wait local endpoint configuration
time.Sleep(time.Second)
addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", pair.Remote.Address(), remoteWgPort))
addrString := pair.Remote.Address()
parsed, err := netip.ParseAddr(addrString)
if (err == nil) && (parsed.Is6()) {
addrString = fmt.Sprintf("[%s]", addrString)
//IPv6 Literals need to be wrapped in brackets for Resolve*Addr()
}
addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", addrString, remoteWgPort))
if err != nil {
w.log.Warnf("got an error while resolving the udp address, err: %s", err)
return
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