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Fix VLESS client doesn't handle traffic if not send data first 

Certain ssh, mySQL and reverse proxy need server data first in a connection
This commit is contained in:
yuhan6665 2022-12-10 23:11:35 -05:00
parent 3e4e050313
commit bc4de6a026
2 changed files with 20 additions and 13 deletions
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2
proxy/vless/encoding/encoding.go
View File

@ -442,7 +442,7 @@ func XtlsFilterTls(buffer buf.MultiBuffer, numberOfPacketToFilter *int, enableXt
*numberOfPacketToFilter = 0 *numberOfPacketToFilter = 0
return return
} }
newError("XtlsFilterTls inclusive server hello ", b.Len(), " ", *remainingServerHello).WriteToLog(session.ExportIDToError(ctx)) newError("XtlsFilterTls inconclusive server hello ", b.Len(), " ", *remainingServerHello).WriteToLog(session.ExportIDToError(ctx))
} }
if *numberOfPacketToFilter <= 0 { if *numberOfPacketToFilter <= 0 {
newError("XtlsFilterTls stop filtering", buffer.Len()).WriteToLog(session.ExportIDToError(ctx)) newError("XtlsFilterTls stop filtering", buffer.Len()).WriteToLog(session.ExportIDToError(ctx))

31
proxy/vless/outbound/outbound.go
View File

@ -5,6 +5,7 @@ package outbound
import ( import (
"context" "context"
"syscall" "syscall"
"time"
"github.com/xtls/xray-core/common" "github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf" "github.com/xtls/xray-core/common/buf"
@ -217,20 +218,26 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
serverWriter = xudp.NewPacketWriter(serverWriter, target) serverWriter = xudp.NewPacketWriter(serverWriter, target)
} }
userUUID := account.ID.Bytes() userUUID := account.ID.Bytes()
multiBuffer, err1 := clientReader.ReadMultiBuffer() timeoutReader, ok := clientReader.(buf.TimeoutReader)
if err1 != nil { if ok {
return err1 // ... multiBuffer, err1 := timeoutReader.ReadMultiBufferTimeout(time.Millisecond*500)
} if err1 == nil {
if requestAddons.Flow == vless.XRV { if requestAddons.Flow == vless.XRV {
encoding.XtlsFilterTls(multiBuffer, &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello, ctx) encoding.XtlsFilterTls(multiBuffer, &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello, ctx)
if isTLS { if isTLS {
for i, b := range multiBuffer { for i, b := range multiBuffer {
multiBuffer[i] = encoding.XtlsPadding(b, 0x00, &userUUID, ctx) multiBuffer[i] = encoding.XtlsPadding(b, 0x00, &userUUID, ctx)
}
}
} }
if err := serverWriter.WriteMultiBuffer(multiBuffer); err != nil {
return err // ...
}
} else if err1 != buf.ErrReadTimeout {
return err1
} }
} } else {
if err := serverWriter.WriteMultiBuffer(multiBuffer); err != nil { newError("Reader is not timeout reader, will send out vless header separately from first payload").AtDebug().WriteToLog(session.ExportIDToError(ctx))
return err // ...
} }
// Flush; bufferWriter.WriteMultiBufer now is bufferWriter.writer.WriteMultiBuffer // Flush; bufferWriter.WriteMultiBufer now is bufferWriter.writer.WriteMultiBuffer
if err := bufferWriter.SetBuffered(false); err != nil { if err := bufferWriter.SetBuffered(false); err != nil {