adblock for OpenWrt

adblock

#!/bin/sh /etc/rc.common

START=90

 
H1='http://www.malwaredomainlist.com/hostslist/hosts.txt'
H2='http://winhelp2002.mvps.org/hosts.txt'
H3='http://sysctl.org/cameleon/hosts.win'
H4='http://pgl.yoyo.org/as/serverlist.php?hostformat=hosts&showintro=1&mimetype=plaintext'
 
WWW2=/var/www2
GIF=blank.gif
 
LAN_IP=$(uci get network.lan.ipaddr)
LAN2=br-lan:1
LAN2_IP=10.3.5.3

H_TMP=/tmp/hosts.tmp
H=/var/hosts/hosts.bad
DM=/etc/init.d/dnsmasq
 
UH=/etc/init.d/uhttpd
UH_CONF=/etc/config/uhttpd
 
ssd=start-stop-daemon
UPID=/var/run/uhttpd_www2.pid
 
 
start() {
	if ping -c 1 `wget -qO- http://ipecho.net/plain`; then

		case $LAN_IP in 10.3.*) LAN2_IP=10.4.6.4 ;; esac
		if ! ifconfig |grep $LAN2 > /dev/null 2>&1; then
			ifconfig $LAN2 inet $LAN2_IP netmask 255.255.255.255
		fi

		sed -i "s/0\.0\.0\.0/$LAN_IP/;s/$LAN2_IP/$LAN_IP/" $UH_CONF
		if [ ! -d $WWW2 ]; then
			mkdir -p $WWW2
		fi
		if [ ! -f $WWW2/$GIF ]; then
			echo -ne 'GIF89a1010\x8000\xff\xff\xff000!\xf9\x0400000,000010100\x02\x02D10;' | tr 01 '\000\001' > $WWW2/$GIF
		fi
		if ! ps |grep uhttpd |grep $WWW2 > /dev/null 2>&1; then
			$ssd -Sqbmp $UPID -x uhttpd -- -f -h $WWW2 -E /$GIF -I $GIF -p $LAN2_IP:80
			if ! ps |grep uhttpd |grep $WWW2 > /dev/null 2>&1; then
				$UH restart
				$ssd -Sqbmp $UPID -x uhttpd -- -f -h $WWW2 -E /$GIF -I $GIF -p $LAN2_IP:80
			fi
		fi
 
		wget -qO- $H1 >> $H_TMP
		wget -qO- $H2 >> $H_TMP
		wget -qO- $H3 >> $H_TMP
		wget -qO- $H4 >> $H_TMP

		sed -i '/localhost/d;s/^0\.0\.0\.0.//;s/^127\.0\.0\.1.//;s/[[:cntrl:]]$//;s/[[:cntrl:]]$/ /;/^#/d;/^$/d;s/[[:space:]]*#.*$//;s/^ //;s/^  //;s|^|'$LAN2_IP' |' $H_TMP
		rm -f $H
		sort $H_TMP|uniq > $H
		rm -f $H_TMP

		$DM restart
		
		sleep 6h && start 

	else
		sleep 10 && start >> /dev/null 2>&1 &
	fi >> /dev/null 2>&1 &
}
 
stop() {
	if ps |grep uhttpd |grep $WWW2 > /dev/null 2>&1; then
		$ssd -Kqs HUP -p $UPID
		rm -f $UPID
		rm -rf $WWW2
	fi

	if ifconfig |grep $LAN2 > /dev/null 2>&1; then
		ifconfig $LAN2 down
	fi

	if [ -f $H ]; then
		rm -f $H
		$DM restart
	fi

	for KILLPID in `ps | grep 'adblock' | awk ' { print $1;}'`; do 
 		kill -9 $KILLPID;
	done
}