fix: VLESS handshake write

This commit is contained in:
gVisor bot 2023-02-11 15:13:17 +08:00
parent 7021dc1878
commit 2e183fb53f

View file

@ -57,9 +57,14 @@ func (vc *Conn) Write(p []byte) (int, error) {
select {
case <-vc.handshake:
default:
err := vc.sendRequest(p)
if err != nil {
return 0, err
if vc.sendRequest(p) {
if vc.err != nil {
return 0, vc.err
}
return len(p), vc.err
}
if vc.err != nil {
return 0, vc.err
}
}
return vc.ExtendedConn.Write(p)
@ -69,21 +74,25 @@ func (vc *Conn) WriteBuffer(buffer *buf.Buffer) error {
select {
case <-vc.handshake:
default:
err := vc.sendRequest(buffer.Bytes())
if err != nil {
return err
if vc.sendRequest(buffer.Bytes()) {
return vc.err
}
if vc.err != nil {
return vc.err
}
}
return vc.ExtendedConn.WriteBuffer(buffer)
}
func (vc *Conn) sendRequest(p []byte) (err error) {
func (vc *Conn) sendRequest(p []byte) bool {
vc.handshakeMutex.Lock()
defer vc.handshakeMutex.Unlock()
select {
case <-vc.handshake:
return vc.err
// The handshake has been completed before.
// So return false to remind the caller.
return false
default:
}
defer close(vc.handshake)
@ -93,9 +102,9 @@ func (vc *Conn) sendRequest(p []byte) (err error) {
requestLen += 1 // addons length
var addonsBytes []byte
if vc.addons != nil {
addonsBytes, err = proto.Marshal(vc.addons)
if err != nil {
return err
addonsBytes, vc.err = proto.Marshal(vc.addons)
if vc.err != nil {
return true
}
}
requestLen += len(addonsBytes)
@ -137,8 +146,8 @@ func (vc *Conn) sendRequest(p []byte) (err error) {
buf.Must(buf.Error(buffer.Write(p)))
_, err = vc.ExtendedConn.Write(buffer.Bytes())
return
_, vc.err = vc.ExtendedConn.Write(buffer.Bytes())
return true
}
func (vc *Conn) recvResponse() error {
@ -203,7 +212,7 @@ func newConn(conn net.Conn, client *Client, dst *DstAddr) (*Conn, error) {
select {
case <-c.handshake:
case <-time.After(200 * time.Millisecond):
_ = c.sendRequest(nil)
c.sendRequest(nil)
}
}()
return c, nil