[LEDE-DEV] [PATCH] shadowsocks-libev: fix tproxy issue for udp traffic

[Zhizhang]

ss-rules script in shadowsocks-libev currently is using TPROXY without mark packet first this patch will fix it

Signed-off-by: Zhizhang Deng <andy at 2011ysyb.com>
---
 net/shadowsocks-libev/files/ss-rules | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/shadowsocks-libev/files/ss-rules b/net/shadowsocks-libev/files/ss-rules
index 8ce1000..084f87e 100644
--- a/net/shadowsocks-libev/files/ss-rules
+++ b/net/shadowsocks-libev/files/ss-rules
@@ -120,6 +120,9 @@ tp_rule() {
 	$ipt_m -A SS_SPEC_TPROXY -p udp -m set ! --match-set ss_spec_wan_ac dst \
 		-j TPROXY --on-port $LOCAL_PORT --tproxy-mark 0x01/0x01
 	$ipt_m -A PREROUTING -p udp $EXT_ARGS \
+		-m socket \
+		-m comment --comment "_SS_SPEC_RULE_" -j MARK --set-mark 1
+	$ipt_m -A PREROUTING -p udp $EXT_ARGS \
 		-m set ! --match-set ss_spec_lan_ac src \
 		-m comment --comment "_SS_SPEC_RULE_" -j SS_SPEC_TPROXY
 	return $?