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Fix socks5 udp associate address #62

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Fix socks5 udp associate address #62

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4 changes: 4 additions & 0 deletions protocol/socks/handshake.go
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,9 @@ func ClientHandshake5(conn io.ReadWriter, command byte, destination M.Socksaddr,
} else if authResponse.Method != socks5.AuthTypeNotRequired {
return socks5.Response{}, E.New("socks5: unsupported auth method: ", authResponse.Method)
}
if command == socks5.CommandUDPAssociate {
destination = M.SocksaddrFrom(netip.IPv4Unspecified(), 0)
}
err = socks5.WriteRequest(conn, socks5.Request{
Command: command,
Destination: destination,
Expand Down Expand Up @@ -215,6 +218,7 @@ func HandleConnection0(ctx context.Context, conn net.Conn, version byte, authent
if err != nil {
return err
}
request.Destination = M.SocksaddrFrom(netip.IPv4Unspecified(), 0)
metadata.Protocol = "socks5"
metadata.Destination = request.Destination
var innerError error
Expand Down
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