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XTLS Vision processes struct TLS Conn's input and rawInput

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Fixes https://github.com/XTLS/Xray-core/issues/1444
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RPRX 2023-01-06 05:37:16 +00:00 • committed by GitHub
parent c0ceebe709
commit 6f61021f7a
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3 changed files with 42 additions and 2 deletions
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15
proxy/vless/inbound/inbound.go
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@ -3,12 +3,15 @@ package inbound
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
import (
"bytes"
"context"
"io"
"reflect"
"strconv"
"strings"
"syscall"
"time"
"unsafe"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
@ -441,6 +444,8 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
var netConn net.Conn
var rawConn syscall.RawConn
var input *bytes.Reader
var rawInput *bytes.Buffer
allowNoneFlow := false
accountFlow := account.Flow
flows := strings.Split(account.Flow, ",")
@ -462,11 +467,15 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
return newError(requestAddons.Flow + " doesn't support UDP").AtWarning()
case protocol.RequestCommandTCP:
if requestAddons.Flow == vless.XRV {
var t reflect.Type
var p uintptr
if tlsConn, ok := iConn.(*tls.Conn); ok {
netConn = tlsConn.NetConn()
if sc, ok := netConn.(syscall.Conn); ok {
rawConn, _ = sc.SyscallConn()
}
t = reflect.TypeOf(tlsConn.Conn).Elem()
p = uintptr(unsafe.Pointer(tlsConn.Conn))
} else if _, ok := iConn.(*tls.UConn); ok {
return newError("XTLS only supports UTLS fingerprint for the outbound.").AtWarning()
} else if _, ok := iConn.(*xtls.Conn); ok {
@ -474,6 +483,10 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
} else {
return newError("XTLS only supports TCP, mKCP and DomainSocket for now.").AtWarning()
}
i, _ := t.FieldByName("input")
r, _ := t.FieldByName("rawInput")
input = (*bytes.Reader)(unsafe.Pointer(p + i.Offset))
rawInput = (*bytes.Buffer)(unsafe.Pointer(p + r.Offset))
} else if xtlsConn, ok := iConn.(*xtls.Conn); ok {
xtlsConn.RPRX = true
xtlsConn.SHOW = xtls_show
@ -545,7 +558,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
// TODO enable splice
ctx = session.ContextWithInbound(ctx, nil)
if requestAddons.Flow == vless.XRV {
err = encoding.XtlsRead(clientReader, serverWriter, timer, netConn, rawConn, counter, ctx, account.ID.Bytes(),
err = encoding.XtlsRead(clientReader, serverWriter, timer, netConn, rawConn, input, rawInput, counter, ctx, account.ID.Bytes(),
&numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello)
} else {
err = encoding.ReadV(clientReader, serverWriter, timer, iConn.(*xtls.Conn), rawConn, counter, ctx)