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chore: code cleanup

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This commit is contained in:
wwqgtxx
2025-05-26 12:33:24 +08:00
parent 88419cbd12
commit 12e3952b74
1 changed files with 11 additions and 14 deletions
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25
tunnel/connection.go
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@ -141,22 +141,19 @@ func handleUDPToLocal(writeBack C.WriteBack, pc N.EnhancePacketConn, sender C.Pa
} else if fromUDPAddr == nil {
fromUDPAddr = net.UDPAddrFromAddrPort(oAddrPort) // oAddrPort was Unmapped
log.Warnln("server return a nil *net.UDPAddr, force replace to (%s), this may be caused by a wrongly implemented server", oAddrPort)
} else {
_fromUDPAddr := *fromUDPAddr
fromUDPAddr = &_fromUDPAddr // make a copy
if fromAddr, ok := netip.AddrFromSlice(fromUDPAddr.IP); ok {
fromAddr = fromAddr.Unmap()
if fAddr.IsValid() && (oAddrPort.Addr() == fromAddr) { // oAddrPort was Unmapped
fromAddr = fAddr.Unmap()
}
fromUDPAddr.IP = fromAddr.AsSlice()
if fromAddr.Is4() {
fromUDPAddr.Zone = "" // only ipv6 can have the zone
}
}
}
_, err = writeBack.WriteBack(data, fromUDPAddr)
fromAddrPort := fromUDPAddr.AddrPort()
fromAddr := fromAddrPort.Addr().Unmap()
// restore fakeip
if fAddr.IsValid() && (oAddrPort.Addr() == fromAddr) { // oAddrPort was Unmapped
fromAddr = fAddr.Unmap()
}
fromAddrPort = netip.AddrPortFrom(fromAddr, fromAddrPort.Port())
_, err = writeBack.WriteBack(data, net.UDPAddrFromAddrPort(fromAddrPort))
if put != nil {
put()
}