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Code Issues Releases Wiki Activity

fix buffer usage in vmess out

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This commit is contained in:
v2ray 2016-01-04 22:02:22 +01:00
parent 84464e863d
commit 1239b1a57b
2 changed files with 5 additions and 1 deletions
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3
proxy/vmess/outbound/outbound.go
View File

@ -99,6 +99,7 @@ func handleRequest(conn net.Conn, request *protocol.VMessRequest, firstPacket v2
encryptRequestWriter := v2crypto.NewCryptionWriter(aesStream, conn)
buffer := alloc.NewBuffer().Clear()
defer buffer.Clear()
buffer, err = request.ToBytes(user.NewTimeHash(user.HMACHash{}), user.GenerateRandomInt64InRange, buffer)
if err != nil {
log.Error("VMessOut: Failed to serialize VMess request: %v", err)
@ -119,7 +120,6 @@ func handleRequest(conn net.Conn, request *protocol.VMessRequest, firstPacket v2
firstChunk.Release()
_, err = conn.Write(buffer.Value)
buffer.Release()
if err != nil {
log.Error("VMessOut: Failed to write VMess request: %v", err)
return
@ -153,6 +153,7 @@ func handleResponse(conn net.Conn, request *protocol.VMessRequest, output chan<-
buffer, err := v2net.ReadFrom(decryptResponseReader, nil)
if err != nil {
log.Error("VMessOut: Failed to read VMess response (%d bytes): %v", buffer.Len(), err)
buffer.Release()
return
}
if buffer.Len() < 4 || !headerMatch(request, buffer.Value[:2]) {

3
proxy/vmess/protocol/vmess.go
View File

@ -131,6 +131,9 @@ func (this *VMessRequestReader) Read(reader io.Reader) (*VMessRequest, error) {
return nil, err
}
domainLength := int(buffer.Value[41])
if domainLength == 0 {
return nil, transport.CorruptedPacket
}
_, err = v2net.ReadAllBytes(decryptor, buffer.Value[42:42+domainLength])
if err != nil {
return nil, err