[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>
--- ss-rules	2017-05-17 12:40:01.020106879 -0400
+++ ss-rules-new	2017-05-17 12:45:19.740116941 -0400
@@ -120,6 +120,9 @@
 	$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 $?