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Feature: support relay UDP traffic

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This commit is contained in:
yaling888
2022-05-22 05:32:15 +08:00
parent 622b10d34d
commit ce1014eae3
15 changed files with 414 additions and 86 deletions
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10
adapter/outbound/socks5.go
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@@ -114,11 +114,11 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
}
go func() {
io.Copy(io.Discard, c)
c.Close()
_, _ = io.Copy(io.Discard, c)
_ = c.Close()
// A UDP association terminates when the TCP connection that the UDP
// ASSOCIATE request arrived on terminates. RFC1928
pc.Close()
_ = pc.Close()
}()
// Support unspecified UDP bind address.
@@ -135,7 +135,7 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
bindUDPAddr.IP = serverAddr.IP
}
return newPacketConn(&socksPacketConn{PacketConn: pc, rAddr: bindUDPAddr, tcpConn: c}, ss), nil
return NewPacketConn(&socksPacketConn{PacketConn: pc, rAddr: bindUDPAddr, tcpConn: c}, ss), nil
}
func NewSocks5(option Socks5Option) *Socks5 {
@@ -199,6 +199,6 @@ func (uc *socksPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
}
func (uc *socksPacketConn) Close() error {
uc.tcpConn.Close()
_ = uc.tcpConn.Close()
return uc.PacketConn.Close()
}