🌴 Sync 2026-03-05 23:51:42

homeredirect/Makefile

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+#
+# Copyright (c) 2020 xiaoqingfeng (xiaoqingfengatgm@gmail.com)
+# Feed site - https://github.com/xiaoqingfengATGH/feeds-xiaoqingfeng
+# This is free software, licensed under the GNU General Public License v3.
+#
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=HomeRedirect
+PKG_VERSION:=1.4
+PKG_RELEASE:=1
+PKG_DATE:=20210226
+
+PKG_MAINTAINER:=xiaoqingfeng <xiaoqingfengatgm@gmail.com>
+PKG_LICENSE:=GPL-3.0-or-later
+PKG_LICENSE_FILES:=LICENSE
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/$(PKG_NAME)
+  SECTION:=net
+  CATEGORY:=Network
+  TITLE:=Port forwarding utility for HomeLede.
+  DEPENDS:=+bash +coreutils-nohup +socat
+  PKGARCH:=all
+  URL:=https://github.com/xiaoqingfengATGH/feeds-xiaoqingfeng
+endef
+
+define Package/$(PKG_NAME)/config
+help
+	$(PKG_NAME)
+	Version: $(PKG_VERSION)-$(PKG_RELEASE)
+	Port forwarding utility for HomeLede. Support TCP/UDP ipv4 & ipv6.
+endef
+
+define Package/$(PKG_NAME)/description
+Port forwarding utility for HomeLede. Support TCP/UDP ipv4 & ipv6.
+endef
+
+define Package/$(PKG_NAME)/conffiles
+/etc/config/homeredirect
+endef
+
+define Package/$(PKG_NAME)/install
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_DIR) $(1)/etc/homeredirect
+	$(INSTALL_BIN) files/etc/init.d/homeredirect $(1)/etc/init.d
+	$(INSTALL_CONF) files/etc/config/homeredirect $(1)/etc/config
+	$(INSTALL_DATA) files/etc/homeredirect/firewall.include $(1)/etc/homeredirect/
+	$(INSTALL_DATA) files/etc/homeredirect/script.sh $(1)/etc/homeredirect/
+endef
+
+define Package/$(PKG_NAME)/postinst
+#!/bin/sh
+exit 0
+endef
+
+define Package/$(PKG_NAME)/prerm
+#!/bin/sh
+/etc/init.d/homeredirect stop
+uci -q batch <<-EOF >/dev/null
+	delete ucitrack.@homeredirect[-1]
+	commit ucitrack
+EOF
+uci -q batch <<-EOF >/dev/null
+	delete firewall.homeredirect
+EOF
+exit 0
+endef
+
+define Build/Configure
+endef
+
+define Build/Prepare
+endef
+
+define Build/Compile
+endef
+
+$(eval $(call BuildPackage,$(PKG_NAME)))

homeredirect/files/etc/config/homeredirect

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+config global
+	option enabled '1'
+	
+config redirect
+	option proto 'tcp4'
+	option src_ip '0.0.0.0'
+	option src_dport '60609'
+	option dest_ip '192.168.1.100'
+	option dest_port '3389'
+	option name 'TCP_REDIRECT_IPV4'
+	option enabled '0'
+	
+config redirect
+	option proto 'tcp6'
+	option src_ip '::'
+	option src_dport '60608'
+	option dest_ip 'fd5b:64cf:4ff4::1c4'
+	option dest_port '3389'
+	option name 'TCP_REDIRECT_IPV6'
+	option enabled '0'
+	
+config redirect
+	option proto 'udp4'
+	option src_ip '0.0.0.0'
+	option src_dport '64511'
+	option dest_ip '192.168.1.100'
+	option dest_port '500'
+	option name 'UDP_REDIRECT_IPV4'
+	option enabled '0'
+
+config redirect
+	option proto 'udp6'
+	option src_ip '::'
+	option src_dport '64500'
+	option dest_ip 'fd5b:64cf:4ff4::1c4'
+	option dest_port '4500'
+	option name 'UDP_REDIRECT_IPV6'
+	option enabled '0'

homeredirect/files/etc/homeredirect/firewall.include

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+bash /etc/homeredirect/script.sh

homeredirect/files/etc/homeredirect/script.sh

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+#!/bin/bash
+
+del_rule() {
+	count=$(iptables -n -L INPUT 2>/dev/null | grep -c "HOME_REDIRECT")
+	if [ -n "$count" ]; then
+		until [ "$count" = 0 ]
+		do
+			rules=$(iptables -n -L INPUT --line-num 2>/dev/null | grep "HOME_REDIRECT" | awk '{print $1}')
+			for rule in $rules
+			do
+				iptables -D INPUT $rule 2>/dev/null
+				break
+			done
+			count=$(expr $count - 1)
+		done
+	fi
+
+	iptables -F HOME_REDIRECT 2>/dev/null
+	iptables -X HOME_REDIRECT 2>/dev/null
+}
+
+add_rule(){
+	iptables -N HOME_REDIRECT
+	iptables -I INPUT -j HOME_REDIRECT
+
+	maxRedirctCount=$(uci show homeredirect | grep @redirect | awk -F '[' '{print $2}' | awk -F ']' '{print $1}' | sort | tail -n 1)
+
+	for ((i=($maxRedirctCount);i>=0;i--));
+	do
+		enabled=$(uci get homeredirect.@redirect[$i].enabled)
+		if [ $enabled -eq 1 ]; then
+			protoAll=$(uci get homeredirect.@redirect[$i].proto)
+			proto=${protoAll:0:3}
+			port=$(uci get homeredirect.@redirect[$i].src_dport)
+			iptables -A HOME_REDIRECT -p $proto --dport $port -j ACCEPT
+		fi
+	done
+}
+
+del_rule
+
+enable=$(uci get homeredirect.@global[0].enabled)
+if [ $enable -eq 1 ]; then
+	add_rule
+fi

homeredirect/files/etc/init.d/homeredirect

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+#!/bin/sh /etc/rc.common
+
+START=99
+
+RUNLOG_DIR=/tmp/hr
+
+PROCESSED_REDIRECT=0
+
+log()
+{
+	logger -t homeredirect $1
+}
+
+setupDefaultSrcIP() {
+	if [ -z $src_ip ];then
+		if [ "$1" = "ipv4" ]; then
+			src_ip="0.0.0.0"
+		else
+			src_ip="::"
+		fi
+	fi
+}
+
+setup() {
+
+	config_get enabled $1 enabled
+
+	id=$1
+	config_get proto $1 proto
+	config_get src_ip $1 src_ip
+	config_get src_dport $1 src_dport
+	config_get dest_ip $1 dest_ip
+	config_get dest_port $1 dest_port
+	config_get name $1 name
+
+	terminateRedirect $id
+	
+	[ "$enabled" != "1" ] && return 0
+
+	PROCESSED_REDIRECT=1
+
+	if [ "$proto" = "tcp4" ]; then
+		src_addresstype="TCP4-LISTEN"
+		dest_addresstype="TCP4"
+		setupDefaultSrcIP "ipv4"
+	elif [ "$proto" = "tcp6" ]; then
+		src_addresstype="TCP6-LISTEN"
+		dest_addresstype="TCP6"
+		setupDefaultSrcIP "ipv6"
+		src_ip="[$src_ip]"
+		dest_ip="[$dest_ip]"
+	elif [ "$proto" = "udp4" ]; then
+		src_addresstype="UDP4-LISTEN"
+		dest_addresstype="UDP4"
+		setupDefaultSrcIP "ipv4"
+	elif [ "$proto" = "udp6" ]; then
+		src_addresstype="UDP6-LISTEN"
+		dest_addresstype="UDP6"
+		setupDefaultSrcIP "ipv6"
+		src_ip="[$src_ip]"
+		dest_ip="[$dest_ip]"
+	fi
+
+	#echo "nohup socat -lf $RUNLOG_DIR/$id.log $src_addresstype:$src_dport,bind=$src_ip,fork $dest_addresstype:$dest_ip:$dest_port > $RUNLOG_DIR/$id.log 2>&1 &"
+	nohup socat -lf $RUNLOG_DIR/$id.log $src_addresstype:$src_dport,bind=$src_ip,fork $dest_addresstype:$dest_ip:$dest_port > $RUNLOG_DIR/$id.log 2>&1 &
+	log "[HomeRedirect] Port redirect from $proto $src_ip:$src_dport==>$dest_addresstype:$dest_ip:$dest_port started."
+}
+
+# param $1 is port
+showTcpPortState() {
+	local process=$(netstat -ltnp | awk -F ' ' '{if(NR>2) print $1"/"$4"/"$7}' | grep :$1)
+	if [ -n "$process" ]; then
+		echo $process
+	else
+		echo 'TCP Port $1 is Free.'
+	fi
+}
+# param $1 is port
+showUdpPortState() {
+	local process=$(netstat -lunp | awk -F ' ' '{if(NR>2) print $1"/"$4"/"$6}'|grep :$1)
+	if [ -n "$process" ]; then
+		echo $process
+	else
+		echo 'UDP Port $1 is Free.'
+	fi
+}
+
+isRedirectRunning() {
+	local runningPID=$(ps | grep socat | grep $RUNLOG_DIR/$1 | sed '/grep/d' | awk -F ' ' '{print $1}')
+	if [ -n "$runningPID" ]; then
+		return 1
+	else
+		return 0
+	fi
+}
+
+# param $1 is redirect id
+terminateRedirect() {
+	isRedirectRunning $1
+	[ "$?" = "1" ] && {
+		local runningPID=$(ps | grep socat | grep $RUNLOG_DIR/$1 | sed '/grep/d' | awk -F ' ' '{print $1}')
+		#echo "Going to kill process $runningPID"
+		kill $runningPID
+	}
+}
+
+terminateAll() {
+	local runningPIDs=$(ps | grep socat | grep $RUNLOG_DIR | sed '/grep/d' | awk -F ' ' '{print $1}')
+	[ -n "$runningPIDs" ] && {
+		kill $runningPIDs
+		log "Redirect process : $runningPIDs stopped."
+	}
+}
+
+start() {
+	local vt_enabled=$(uci -q get homeredirect.@global[0].enabled)
+	if [ "$vt_enabled" = 0 ]; then
+		terminateAll
+		fw3 reload
+		return 1
+	fi
+	
+	rm -rf $RUNLOG_DIR
+	mkdir -p $RUNLOG_DIR
+	
+	config_load homeredirect
+	
+	PROCESSED_REDIRECT=0
+	config_foreach setup redirect
+	[ "$PROCESSED_REDIRECT" == "1" ] && {
+		fw3 reload
+	}
+	log 'HomeRedirect started.'
+}
+
+stop() {
+	terminateAll
+	fw3 reload
+	log 'HomeRedirect stopped.'
+}