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This commit is contained in:
Fangliding
2026-06-17 20:27:26 +08:00
parent df25e33ab3
commit b4cfe4f122
2 changed files with 13 additions and 7 deletions
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proxy/socks/protocol.go
+3 -4
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@@ -196,9 +196,6 @@ func (s *ServerSession) handshake5(nMethod byte, reader io.Reader, writer net.Co
var tempUDPConn *TempUDPConn
//nolint:gocritic // Use if else chain for clarity
if request.Command == protocol.RequestCommandUDP {
if request.Address.Family().IsDomain() {
return nil, nil, errors.New("domain name in UDP associate is illegal")
}
if s.config.Address != nil {
// Use configured IP as remote address in the response to UDP Associate
responseAddress = s.config.Address.AsAddress()
@@ -212,7 +209,9 @@ func (s *ServerSession) handshake5(nMethod byte, reader io.Reader, writer net.Co
}
responsePort = net.Port(udpHub.LocalAddr().(*net.UDPAddr).Port)
expectedRemote := &gonet.UDPAddr{}
if request.Address.IP().IsUnspecified() {
// if request address is a domain(udp associate should not have request domain)
// treat it as unspecified
if request.Address.Family().IsDomain() || request.Address.IP().IsUnspecified() {
expectedRemote.IP = writer.RemoteAddr().(*net.TCPAddr).IP // unix?
} else {
expectedRemote.IP = request.Address.IP()