history-museum/Clash.Meta
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix: Vless UDP

Browse Source
This commit is contained in:
yaling888
2022-03-29 07:18:09 +08:00
parent 56e2c172e1
commit 131e9d38b6
3 changed files with 23 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
adapter/outbound/vless.go
View File

@ -3,6 +3,7 @@ package outbound
import (
"context"
"crypto/tls"
"encoding/binary"
"errors"
"fmt"
"net"
@ -128,8 +129,9 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig)
}
default:
// default tcp network
// handle TLS And XTLS
c, err = v.streamTLSOrXTLSConn(c, true)
c, err = v.streamTLSOrXTLSConn(c, false)
}
if err != nil {
@ -213,7 +215,7 @@ func (v *Vless) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
// ListenPacketContext implements C.ProxyAdapter
func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
// vmess use stream-oriented udp with a special address, so we needs a net.UDPAddr
// vless use stream-oriented udp with a special address, so we needs a net.UDPAddr
if !metadata.Resolved() {
ip, err := resolver.ResolveIP(metadata.Host)
if err != nil {
@ -269,7 +271,7 @@ func parseVlessAddr(metadata *C.Metadata) *vless.DstAddr {
copy(addr[1:], []byte(metadata.Host))
}
port, _ := strconv.Atoi(metadata.DstPort)
port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
return &vless.DstAddr{
UDP: metadata.NetWork == C.UDP,
AddrType: addrType,
@ -281,14 +283,21 @@ func parseVlessAddr(metadata *C.Metadata) *vless.DstAddr {
type vlessPacketConn struct {
net.Conn
rAddr net.Addr
cache [2]byte
}
func (uc *vlessPacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
binary.BigEndian.PutUint16(uc.cache[:], uint16(len(b)))
_, _ = uc.Conn.Write(uc.cache[:])
return uc.Conn.Write(b)
}
func (uc *vlessPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
n, err := uc.Conn.Read(b)
n, err := uc.Conn.Read(uc.cache[:])
if err != nil {
return n, uc.rAddr, err
}
n, err = uc.Conn.Read(b)
return n, uc.rAddr, err
}