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Fix: some UDP issues (#265)

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This commit is contained in:
Jason Lyu
2019-10-11 20:11:18 +08:00
committed by Dreamacro
parent 0f63682bdf
commit 4cd8b6f24f
15 changed files with 228 additions and 243 deletions
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22
adapters/outbound/shadowsocks.go
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@ -7,7 +7,6 @@ import (
"net"
"strconv"
"github.com/Dreamacro/clash/common/pool"
"github.com/Dreamacro/clash/common/structure"
obfs "github.com/Dreamacro/clash/component/simple-obfs"
"github.com/Dreamacro/clash/component/socks5"
@ -93,9 +92,9 @@ func (ss *ShadowSocks) DialUDP(metadata *C.Metadata) (C.PacketConn, net.Addr, er
return nil, nil, err
}
targetAddr, err := net.ResolveUDPAddr("udp", net.JoinHostPort(metadata.String(), metadata.DstPort))
if err != nil {
return nil, nil, err
targetAddr := socks5.ParseAddr(metadata.RemoteAddress())
if targetAddr == nil {
return nil, nil, fmt.Errorf("parse address error: %v:%v", metadata.String(), metadata.DstPort)
}
pc = ss.cipher.PacketConn(pc)
@ -189,16 +188,15 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
type ssUDPConn struct {
net.PacketConn
rAddr net.Addr
rAddr socks5.Addr
}
func (uc *ssUDPConn) WriteTo(b []byte, addr net.Addr) (int, error) {
buf := pool.BufPool.Get().([]byte)
defer pool.BufPool.Put(buf[:cap(buf)])
rAddr := socks5.ParseAddr(uc.rAddr.String())
copy(buf[len(rAddr):], b)
copy(buf, rAddr)
return uc.PacketConn.WriteTo(buf[:len(rAddr)+len(b)], addr)
func (uc *ssUDPConn) WriteTo(b []byte, addr net.Addr) (n int, err error) {
packet, err := socks5.EncodeUDPPacket(uc.rAddr, b)
if err != nil {
return
}
return uc.PacketConn.WriteTo(packet[3:], addr)
}
func (uc *ssUDPConn) ReadFrom(b []byte) (int, net.Addr, error) {