proxy/trojan: fix writing UDP packet

close v2fly#2440, close v2fly#1795
This commit is contained in:
dyhkwong
2023-05-24 00:18:19 +01:00
committed by Shelikhoo
parent 680d5bb2ac
commit 923d49464d
+10 -10
View File
@@ -110,11 +110,11 @@ type PacketWriter struct {
// WriteMultiBuffer implements buf.Writer
func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
b := make([]byte, maxLength)
for !mb.IsEmpty() {
var length int
mb, length = buf.SplitBytes(mb, b)
if _, err := w.writePacket(b[:length], w.Target); err != nil {
for _, b := range mb {
if b.IsEmpty() {
continue
}
if _, err := w.writePacket(b.Bytes(), w.Target); err != nil {
buf.ReleaseMulti(mb)
return err
}
@@ -125,11 +125,11 @@ func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
// WriteMultiBufferWithMetadata writes udp packet with destination specified
func (w *PacketWriter) WriteMultiBufferWithMetadata(mb buf.MultiBuffer, dest net.Destination) error {
b := make([]byte, maxLength)
for !mb.IsEmpty() {
var length int
mb, length = buf.SplitBytes(mb, b)
if _, err := w.writePacket(b[:length], dest); err != nil {
for _, b := range mb {
if b.IsEmpty() {
continue
}
if _, err := w.writePacket(b.Bytes(), dest); err != nil {
buf.ReleaseMulti(mb)
return err
}