## Requirements
-This service requires the following packages to be installed on your router: ```dnsmasq``` or ```dnsmasq-full``` and either ```wget``` and ```libopenssl``` (for OpenWrt CC 15.05.1) or ```uclient-fetch``` and ```libustream-mbedtls``` (for OpenWrt DD trunk and all LEDE Project release and snapshot builds). Additionally installation of ```coreutils-sort``` is highly recommended as it speeds up blocklist processing.
+This service requires the following packages to be installed on your router: ```dnsmasq``` or ```dnsmasq-full``` and either ```ca-certificates```, ```wget``` and ```libopenssl``` (for OpenWrt 15.05.1) or ```uclient-fetch``` and ```libustream-mbedtls``` (for OpenWrt DD trunk and all LEDE Project builds). Additionally installation of ```coreutils-sort``` is highly recommended as it speeds up blocklist processing.
To satisfy the requirements for connect to your router via ssh and run the following commands:
-###### OpenWrt CC 15.05.1
+###### OpenWrt 15.05.1
```sh
-opkg update; opkg install wget libopenssl coreutils-sort dnsmasq
+opkg update; opkg install ca-certificates wget libopenssl coreutils-sort dnsmasq
```
-###### LEDE Project and OpenWrt DD trunk
+###### LEDE Project 17.01.x and OpenWrt 18.xx or later
```sh
opkg update; opkg install uclient-fetch libustream-mbedtls coreutils-sort dnsmasq
```
#### Add custom repo to your router
If your router is not set up with the access to repository containing these packages you will need to add custom repository to your router by connecting to your router via ssh and running the following commands:
-###### OpenWrt CC 15.05.1
+###### OpenWrt 15.05.1
```sh
-opkg update; opkg install wget libopenssl
+opkg update; opkg install ca-certificates wget libopenssl
echo -e -n 'untrusted comment: public key 7ffc7517c4cc0c56\nRWR//HUXxMwMVnx7fESOKO7x8XoW4/dRidJPjt91hAAU2L59mYvHy0Fa\n' > /tmp/stangri-repo.pub && opkg-key add /tmp/stangri-repo.pub
! grep -q 'stangri_repo' /etc/opkg/customfeeds.conf && echo 'src/gz stangri_repo https://raw.githubusercontent.com/stangri/openwrt-repo/master' >> /etc/opkg/customfeeds.conf
opkg update
```
-###### LEDE Project and OpenWrt DD trunk
+###### LEDE Project and OpenWrt 18.xx or later
```sh
opkg update; opkg install uclient-fetch libustream-mbedtls
echo -e -n 'untrusted comment: public key 7ffc7517c4cc0c56\nRWR//HUXxMwMVnx7fESOKO7x8XoW4/dRidJPjt91hAAU2L59mYvHy0Fa\n' > /tmp/stangri-repo.pub && opkg-key add /tmp/stangri-repo.pub
Please head to [OpenWrt Forum](https://forum.openwrt.org/viewtopic.php?pid=307950) or [LEDE Project Forum](https://forum.lede-project.org/t/simple-adblock-fast-lean-and-fully-uci-luci-configurable-adblocking/1327/) for discussion of this package.
## What's New
+1.5.8:
+- Better start/stop/reload logic.
+- Better uninstall logic.
+- Better start/stop/reload from Web UI.
+- New command-line ```check``` command.
+
1.5.7:
- Much stricter filters for hosts and domains lists resulting in better garbage removal.
-
-1.5.6:
- Better handling of service start/enable from Web UI and enabled flag management.
-
-1.5.5:
- Implemented support to set one of the router LEDs on/off based on the AdBlocking status.
- Fixed the output bug when verbosity=1.
-
-1.5.3:
- No longer using enabled in config file, Simple AdBlocking Web UI now enables/disables service directly.
-
-1.5.1:
- Reworked console/system log output logic and formatting.
-
-1.5.0:
- Processes already downloaded lists in the background while downloading next list from config, dramatically increasing overall speed.
1.0.0:
export START=94
export USE_PROCD=1
-#PROCD_DEBUG=1
readonly A_TMP='/var/hosts.allowed.tmp'
readonly B_TMP='/var/hosts.blocked.tmp'
readonly h_filter='/localhost/d;/^#/d;/^[^0-9]/d;s/^0\.0\.0\.0.//;s/^127\.0\.0\.1.//;s/[[:space:]]*#.*$//;s/[[:cntrl:]]$//;s/[[:space:]]//g;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;'
readonly d_filter='/^#/d;s/[[:space:]]*#.*$//;s/[[:space:]]*$//;s/[[:cntrl:]]$//;/[[:space:]]/d;/[`~!@#\$%\^&\*()=+;:"'\'',<>?/\|[{}]/d;/]/d;/\./!d;/^$/d;'
readonly f_filter='s|^|local=/|;s|$|/|'
-readonly _ok_='\033[0;32m\xe2\x9c\x93\033[0m'
-readonly _fail_='\033[0;31m\xe2\x9c\x97\033[0m'
-readonly __ok__='\033[0;32m[\xe2\x9c\x93]\033[0m'
-readonly __fail__='\033[0;31m[\xe2\x9c\x97]\033[0m'
-readonly _error_='\033[0;31mERROR\033[0m'
+readonly _OK_='\033[0;32m\xe2\x9c\x93\033[0m'
+readonly _FAIL_='\033[0;31m\xe2\x9c\x97\033[0m'
+readonly __OK__='\033[0;32m[\xe2\x9c\x93]\033[0m'
+readonly __FAIL__='\033[0;31m[\xe2\x9c\x97]\033[0m'
+readonly _ERROR_='\033[0;31mERROR\033[0m'
-readonly packageName="simple-adblock"
+export EXTRA_COMMANDS="check killcache"
+export EXTRA_HELP=" check Checks if specified <string> is found in current blacklist"
+
+readonly packageName='simple-adblock'
readonly serviceName="$packageName $PKG_VERSION"
-ok() { case $verbosity in 1) output "$_ok_";; 2) output "$__ok__\n";; esac; }
-okn() { case $verbosity in 1) output "$_ok_\n";; 2) output "$__ok__\n";; esac; }
-fail() { case $verbosity in 1) output "$_fail_";; 2) output "$__fail__\n";; esac; }
-failn() { case $verbosity in 1) output "$_fail_\n";; 2) output "$__fail__\n";; esac; }
+ok() { case $verbosity in 1) output "$_OK_";; 2) output "$__OK__\n";; esac; }
+okn() { case $verbosity in 1) output "$_OK_\n";; 2) output "$__OK__\n";; esac; }
+fail() { case $verbosity in 1) output "$_FAIL_";; 2) output "$__FAIL__\n";; esac; }
+failn() { case $verbosity in 1) output "$_FAIL_\n";; 2) output "$__FAIL__\n";; esac; }
output() { [[ $# -ne 1 ]] && { [[ ! $((verbosity & $1)) -gt 0 ]] && return 0 || shift; }; local msg; msg=$(echo -n "${1/$serviceName /service }" | sed 's|\\033\[[0-9]\?;\?[0-9]\?[0-9]\?m||g'); [[ -t 1 ]] && echo -e -n "$1"; [[ $(echo -e -n "$msg" | wc -l) -gt 0 ]] && logger -t "${packageName:-service} [$$]" "$(echo -e -n ${logmsg}${msg})" && logmsg='' || logmsg=${logmsg}${msg}; }
led_on(){ [[ -n "$led" && -e "$led/trigger" ]] && echo "default-on" > "$led/trigger"; }
led_off(){ [[ -n "$led" && -e "$led/trigger" ]] && echo "none" > "$led/trigger"; }
-export verbosity force_dns bgrun debug led wan_if wan_gw wanphysdev hosts_file
+export serviceEnabled verbosity force_dns debug led wan_if wan_gw wanphysdev hosts_file
boot() { ( sleep 120 && rc_procd start_service && rc_procd service_triggers | cat &); }
-is_enabled () {
- local c=1 enabled
- config_load $packageName
- config_get_bool enabled 'config' 'enabled' 1
- config_get_bool bgrun 'config' 'run_in_background' 0
- config_get_bool force_dns 'config' 'force_dns' 1
- config_get_bool debug 'config' 'debug' 0
- config_get verbosity 'config' 'verbosity' '2'
- config_get hosts_file 'config' 'hosts_file' "/var/dnsmasq.d/${packageName}"
- config_get led 'config' 'led'
+load_package_config() {
+ config_load "$packageName"
+ config_get_bool serviceEnabled 'config' 'enabled' 1
+ config_get_bool force_dns 'config' 'force_dns' 1
+ config_get_bool debug 'config' 'debug' 0
+ config_get verbosity 'config' 'verbosity' '2'
+ config_get hosts_file 'config' 'hosts_file' "/var/dnsmasq.d/${packageName}"
+ config_get led 'config' 'led'
+ source /lib/functions/network.sh
+}
+
+is_enabled() {
+ local sleepCount=1
+ load_package_config
if [ "$debug" -ne 0 ]; then
exec 1>>/tmp/simple-adblock.log
fi
led="${led:+/sys/class/leds/$led}"
- [[ $enabled -gt 0 ]] || { output "$_error_: $serviceName is not enabled.\n"; return 1; }
- source /lib/functions/network.sh
+ [ $serviceEnabled -gt 0 ] || return 1
while : ; do
network_flush_cache; network_find_wan wan_if; network_get_gateway wan_gw $wan_if;
- [[ $c -ge 25 || -n "$wan_gw" ]] && break
- output "$serviceName waiting for wan gateway...\n"; sleep 2; let "c+=1";
+ [[ $sleepCount -ge 25 || -n "$wan_gw" ]] && break
+ output "$serviceName waiting for wan gateway...\n"; sleep 2; let "sleepCount+=1";
done
- [ -n "$wan_gw" ] && return 0 || { output "$_error_: $serviceName failed to discover WAN gateway.\n"; return 1; }
+ [ -n "$wan_gw" ] && return 0
+ output "$_ERROR_: $serviceName failed to discover WAN gateway.\n"; return 1;
}
-reset_iptables() {
- [[ $force_dns -eq 0 ]] && return 0
+iptables_destroy() {
+ [ $force_dns -eq 0 ] && return 0
[ -z "$packageName" ] && return 1
iptables-save | grep -Fv -- "$packageName" | iptables-restore
lsmod | grep -q ip6table_nat && ip6tables-save | grep -Fv -- "$packageName" | ip6tables-restore
- [ ! "$1" == "quiet" ] && output 'No longer forcing local DNS server.\n'
+ [ -z "$1" ] && output 'No longer forcing local DNS server.\n'
}
-set_iptables() {
+iptables_create() {
local ip ipv6 label ipv6wan brname
network_get_ipaddr ip lan; network_get_ipaddr6 ipv6 lan; network_get_device brname lan; network_get_physdev wanphysdev wan;
ipv6wan=$(ifconfig $wanphysdev | grep inet6 | awk '{print $3}')
- if [[ $force_dns -ne 0 ]]; then
+ iptables_destroy 'quiet'
+ if [ $force_dns -ne 0 ]; then
[ -n "$ip" ] && iptables -t nat -A prerouting_rule -i $brname -p tcp --dport 53 -j DNAT --to $ip -m comment --comment "$packageName"
[ -n "$ip" ] && iptables -t nat -A prerouting_rule -i $brname -p udp --dport 53 -j DNAT --to $ip -m comment --comment "$packageName"
if [[ -n "$ipv6" && -n "$ipv6wan" ]] && lsmod | grep -q ip6table_nat; then
else
label="$ip"
fi
- [ -n "$label" ] && output "Forcing local DNS server: $label.\n" || output "$_error_: $serviceName failed to obtain LAN IP address for DNS forcing!\n"
+ if [ -z "$1" ]; then
+ if [ -n "$label" ]; then
+ output "Forcing local DNS server: $label.\n"
+ else
+ output "$_ERROR_: $serviceName failed to obtain LAN IP address for DNS forcing!\n"
+ fi
+ fi
fi
}
-stop_adblocking () {
- [ -f $hosts_file ] && mv $hosts_file $T_TMP
- output 3 "Restarting dnsmasq "
- led_off
- /etc/init.d/dnsmasq restart >/dev/null 2>&1
- [[ $? -eq 0 ]] && { okn; output "$serviceName stopped.\n"; } || { failn; output "$_error_: $serviceName failed to reload dnsmasq!\n"; }
+stop_adblocking() {
+ load_package_config
+ [ -f $hosts_file ] && mv $hosts_file $T_TMP
+ output 3 "Restarting dnsmasq "
+ led_off
+ /etc/init.d/dnsmasq restart >/dev/null 2>&1
+ if [[ $? -eq 0 ]]; then
+ okn; output "$serviceName stopped.\n";
+ else
+ failn; output "$_ERROR_: $serviceName failed to reload dnsmasq!\n";
+ fi
}
process_url() {
{ sed -i "$filter" "$R_TMP"; cat "$R_TMP" >> "$D_TMP"; rm -f "$R_TMP"; } &
}
-start_adblocking () {
+start_adblocking() {
local whitelist_domains blacklist_domains whitelist_domains_urls blacklist_domains_urls blacklist_hosts_urls
config_get whitelist_domains 'config' 'whitelist_domain'
config_get blacklist_domains 'config' 'blacklist_domain'
local hf w_filter
[ ! -d ${hosts_file%/*} ] && mkdir -p ${hosts_file%/*}
+ [ ! -f "$hosts_file" ] && touch "$hosts_file"
if [[ -s $T_TMP && ! "$1" == "reload" ]]; then
output 3 'Found existing data file, reusing it '
mv $T_TMP $hosts_file && okn || failn
/etc/init.d/dnsmasq restart >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
led_on; okn;
- output "$serviceName blocking $(wc -l < $hosts_file) domains $_ok_\n"
+ output "$serviceName blocking $(wc -l < $hosts_file) domains $_OK_\n"
else
- failn; output "$_error_: $serviceName failed to reload dnsmasq!\n";
+ failn; output "$_ERROR_: $serviceName failed to reload dnsmasq!\n";
exit 1
fi
else
- output "$_error_: $serviceName failed to create its data file!\n"
+ output "$_ERROR_: $serviceName failed to create its data file!\n"
exit 1
fi
}
-reload_service () {
- is_enabled || return 1
- [[ -t 1 && $bgrun -eq 1 ]] && output "Reloading $serviceName...\n"
- [[ ! -t 1 || $bgrun -eq 1 ]] && (start_adblocking 'reload' | cat &) || start_adblocking 'reload'
+check() {
+ load_package_config
+ local string="$1"
+ if [ ! -f $hosts_file ]; then
+ echo "No local blacklist ($hosts_file) found."
+ elif [ -z "$string" ]; then
+ echo "Usage: /etc/init.d/${serviceName} check <string>"
+ elif grep -m1 -q $string $hosts_file; then
+ echo "Found $(grep $string $hosts_file | wc -l) matches for $string in $hosts_file:"
+ grep $string $hosts_file | sed 's|local=/||;s|/$||;'
+ else
+ echo "The $string is not found in current blacklist."
+ fi
}
-start_service () {
+start_service() {
is_enabled || return 1
- [[ -t 1 && $bgrun -eq 1 ]] && output "Starting $serviceName...\n"
- reset_iptables quiet
- set_iptables
- [[ ! -t 1 || $bgrun -eq 1 ]] && (start_adblocking $1 | cat &) || start_adblocking $1
+ if [ -f "$hosts_file" ]; then
+ output "Reloading $serviceName...\n"
+ iptables_create 'quiet'
+ start_adblocking 'reload'
+ else
+ output "Starting $serviceName...\n"
+ iptables_create
+ start_adblocking
+ fi
}
-stop_service () {
- is_enabled || return 1
- [[ -t 1 && $bgrun -eq 1 ]] && output "Stopping $serviceName...\n"
- reset_iptables
- [[ ! -t 1 || $bgrun -eq 1 ]] && (stop_adblocking | cat &) || stop_adblocking
+stop_service() {
+ load_package_config
+ output "Stopping $serviceName...\n"
+ iptables_destroy
+ stop_adblocking
}
-service_triggers () {
- procd_add_reload_trigger 'simple-adblock'
-}
+killcache() { [ -s $T_TMP ] && rm -f $T_TMP; }
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