From d7e1d8f33ad041b0d3e33cdad3f42091156b0158 Mon Sep 17 00:00:00 2001
From: LEAN-ESX <coolsnowwolf@gmail.com>
Date: Sun, 8 Dec 2019 00:31:04 -0800
Subject: [PATCH] luci-app-ssr-plus: use ipt2socks to support trojan UDP relay

---
 package/lean/ipt2socks/Makefile               | 46 +++++++++++++++++++
 package/lean/luci-app-ssr-plus/Makefile       |  3 +-
 .../root/etc/init.d/shadowsocksr              |  9 ++--
 3 files changed, 54 insertions(+), 4 deletions(-)
 create mode 100644 package/lean/ipt2socks/Makefile

diff --git a/package/lean/ipt2socks/Makefile b/package/lean/ipt2socks/Makefile
new file mode 100644
index 0000000000..10aeef6366
--- /dev/null
+++ b/package/lean/ipt2socks/Makefile
@@ -0,0 +1,46 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ipt2socks
+PKG_VERSION:=1.0.2
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/zfl9/ipt2socks.git
+PKG_SOURCE_VERSION:=e6c9b60444bfe2f30830619aacbc67d26ee1015e
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION)
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)/$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION)
+
+PKG_BUILD_PARALLEL:=1
+PKG_BUILD_DEPENDS:=libuv
+PKG_USE_MIPS16:=0
+
+PKG_LICENSE:=GPLv3
+PKG_LICENSE_FILES:=LICENSE
+
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/ipt2socks
+	SECTION:=net
+	CATEGORY:=Network
+	TITLE:=Utility for converting iptables (REDIRECT/TPROXY) to SOCKS5
+	URL:=https://github.com/zfl9/ipt2socks.git
+endef
+
+define Package/ipt2socks/description
+Utility for converting iptables (REDIRECT/TPROXY) to SOCKS5.
+endef
+
+define Package/ipt2socks/conffiles
+/etc/config/ipt2socks
+endef
+
+MAKE_FLAGS += LIBS="-l:libuv_a.a"
+
+define Package/ipt2socks/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/ipt2socks $(1)/usr/bin
+endef
+
+$(eval $(call BuildPackage,ipt2socks))
diff --git a/package/lean/luci-app-ssr-plus/Makefile b/package/lean/luci-app-ssr-plus/Makefile
index 984a846784..27ac7e1a9a 100644
--- a/package/lean/luci-app-ssr-plus/Makefile
+++ b/package/lean/luci-app-ssr-plus/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luci-app-ssr-plus
 PKG_VERSION:=1
-PKG_RELEASE:=129
+PKG_RELEASE:=130
 
 PKG_CONFIG_DEPENDS:= CONFIG_PACKAGE_$(PKG_NAME)_INCLUDE_Shadowsocks \
 	CONFIG_PACKAGE_$(PKG_NAME)_INCLUDE_V2ray \
@@ -49,6 +49,7 @@ define Package/luci-app-ssr-plus
             +PACKAGE_$(PKG_NAME)_INCLUDE_Shadowsocks:shadowsocks-libev-ss-redir \
             +PACKAGE_$(PKG_NAME)_INCLUDE_V2ray:v2ray \
             +PACKAGE_$(PKG_NAME)_INCLUDE_Trojan:trojan \
+            +PACKAGE_$(PKG_NAME)_INCLUDE_Trojan:ipt2socks \
             +PACKAGE_$(PKG_NAME)_INCLUDE_Kcptun:kcptun-client \
             +PACKAGE_$(PKG_NAME)_INCLUDE_ShadowsocksR_Server:shadowsocksr-libev-server \
             +PACKAGE_$(PKG_NAME)_INCLUDE_ShadowsocksR_Socks:shadowsocksr-libev-ssr-local
diff --git a/package/lean/luci-app-ssr-plus/root/etc/init.d/shadowsocksr b/package/lean/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
index c4e3ee999c..a9ae82f335 100755
--- a/package/lean/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
+++ b/package/lean/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
@@ -338,7 +338,7 @@ start_redir() {
     $sscmd -config /var/etc/v2-ssr-retcp.json >/dev/null 2>&1 &
     echo "$(date "+%Y-%m-%d %H:%M:%S") $($sscmd -version | head -1) Started!" >> /tmp/ssrplus.log
   elif [ "$stype" == "trojan" ] ;then
-    $sscmd --config /var/etc/trojan-ssr-retcp.json >> /tmp/ssrplus.log 2>&1 &
+    $sscmd --config /var/etc/trojan-ssr-retcp.json >/dev/null 2>&1 & 
     echo "$(date "+%Y-%m-%d %H:%M:%S") $($sscmd --version 2>&1 | head -1) Started!" >> /tmp/ssrplus.log
 	fi
 	
@@ -358,8 +358,10 @@ start_redir() {
         sed -i 's/\\//g' /var/etc/v2-ssr-reudp.json
         $ucmd -config /var/etc/v2-ssr-reudp.json >/dev/null 2>&1 & 
      elif [ "$stype" == "trojan" ] ;then
-        gen_config_file $UDP_RELAY_SERVER 1
-        $ucmd --config /var/etc/trojan-ssr-retcp.json >> /tmp/ssrplus.log 2>&1 &  
+        lua /usr/share/shadowsocksr/gentrojanconfig.lua $GLOBAL_SERVER client 10801 > /var/etc/trojan-ssr-reudp.json
+        sed -i 's/\\//g' /var/etc/trojan-ssr-reudp.json
+        $ucmd --config /var/etc/trojan-ssr-reudp.json >/dev/null 2>&1 & 
+        ipt2socks -U -4 -b 0.0.0.0 -s 127.0.0.1 -p 10801 -l $(uci_get_by_name $UDP_RELAY_SERVER local_port) >/dev/null 2>&1
     fi
    fi
 
@@ -553,6 +555,7 @@ stop() {
 	killall -q -9 ssr-redir
 	killall -q -9 v2ray
 	killall -q -9 trojan
+	killall -q -9 ipt2socks
 	killall -q -9 ssr-server
 	killall -q -9 kcptun-client
 	killall -q -9 ssr-local