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Fix TPROXY UDP/IPv6

Browse source 
https://github.com/XTLS/Xray-core/issues/137#issuecomment-756064627

十分感谢 @Ninedyz @changyp6
This commit is contained in:
RPRX 2021-01-07 12:21:27 +00:00 • committed by GitHub
parent be9421fedf
commit 161e18299c
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2 changed files with 15 additions and 27 deletions
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27
proxy/dokodemo/dokodemo.go
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@ -163,14 +163,19 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn in
if !destinationOverridden {
writer = &buf.SequentialWriter{Writer: conn}
} else {
var addr *net.UDPAddr
var mark int
if dest.Address.Family().IsIP() {
addr = &net.UDPAddr{
IP: dest.Address.IP(),
Port: int(dest.Port),
back := conn.RemoteAddr().(*net.UDPAddr)
if !dest.Address.Family().IsIP() {
if len(back.IP) == 4 {
dest.Address = net.AnyIP
} else {
dest.Address = net.AnyIPv6
}
}
addr := &net.UDPAddr{
IP: dest.Address.IP(),
Port: int(dest.Port),
}
var mark int
if d.sockopt != nil {
mark = int(d.sockopt.Mark)
}
@ -178,8 +183,7 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn in
if err != nil {
return err
}
back := net.DestinationFromAddr(conn.RemoteAddr())
writer = NewPacketWriter(pConn, &dest, mark, &back)
writer = NewPacketWriter(pConn, &dest, mark, back)
defer writer.(*PacketWriter).Close()
/*
sockopt := &internet.SocketConfig{
@ -236,15 +240,12 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn in
return nil
}
func NewPacketWriter(conn net.PacketConn, d *net.Destination, mark int, back *net.Destination) buf.Writer {
func NewPacketWriter(conn net.PacketConn, d *net.Destination, mark int, back *net.UDPAddr) buf.Writer {
writer := &PacketWriter{
conn: conn,
conns: make(map[net.Destination]net.PacketConn),
mark: mark,
back: &net.UDPAddr{
IP: back.Address.IP(),
Port: int(back.Port),
},
back: back,
}
writer.conns[*d] = conn
return writer