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#!/bin/sh /etc/rc.common
#
START=90
EXTRA_COMMANDS="toggle stats cfgup envchk query"
EXTRA_HELP=" toggle Toggle adblock 'on' or 'off'
stats Update adblock statistics
cfgup Update adblock configuration file
envchk Check/Set adblock environment
query <DOMAIN> Query active blocklists for specific domain"
adb_debug=0
adb_pid="${$}"
adb_script="/usr/bin/adblock-update.sh"
adb_helper="/usr/bin/adblock-helper.sh"
adb_pidfile="/var/run/adblock.pid"
bg_parm="&"
if [ $((adb_debug)) -eq 0 ]
then
exec 2>/dev/null
fi
if [ -r "${adb_pidfile}" ]
then
logger -s -t "adblock[${adb_pid}] error" "adblock service already running ($(cat ${adb_pidfile}))" 2>&1
exit 255
fi
. "${adb_helper}"
f_envload
if [ "${adb_restricted}" = "1" ]
then
adb_uci="$(which true)"
fi
boot()
{
return 0
}
start()
{
if [ -t 1 ]
then
unset bg_parm
fi
eval "${adb_script}" ${bg_parm}
return 0
}
restart()
{
stop
start
}
reload()
{
reload="true"
stop
start
}
stop()
{
f_rmdns
f_rmuhttpd
config_foreach f_rmconfig source
if [ -z "${reload}" ]
then
f_rmfirewall
fi
if [ -n "${rm_dns}" ] || [ -n "${rm_uhttpd}" ] || [ -n "${rm_fw}" ] || [ -n "$(${adb_uci} -q changes adblock)" ]
then
"${adb_uci}" -q commit adblock
f_log "all adblock related services stopped"
fi
return 0
}
toggle()
{
if [ -d "${adb_dnshidedir}" ]
then
list_dns="$(find "${adb_dnsdir}" -maxdepth 1 -type f -name "${adb_dnsprefix}*" -print)"
list_dnshide="$(find "${adb_dnshidedir}" -maxdepth 1 -type f -name "${adb_dnsprefix}*" -print)"
if [ -n "${list_dns}" ]
then
source="${adb_dnsdir}/${adb_dnsprefix}"
target="${adb_dnshidedir}"
pos="off"
elif [ -n "${list_dnshide}" ]
then
source="${adb_dnshidedir}/${adb_dnsprefix}"
target="${adb_dnsdir}"
pos="on"
fi
if [ -n "${list_dns}" ] || [ -n "${list_dnshide}" ]
then
mv -f "${source}"* "${target}"
/etc/init.d/dnsmasq restart
"${adb_uci}" -q set "adblock.global.adb_dnstoggle=${pos}"
"${adb_uci}" -q commit "adblock"
f_log "adblock toggle switched '${pos}'"
fi
fi
return 0
}
stats()
{
f_statistics
"${adb_uci}" -q commit "adblock"
return 0
}
cfgup()
{
stop
cp -pf "/etc/adblock/adblock.conf.default" "/etc/config/adblock"
rc=$?
if [ $((rc)) -eq 0 ]
then
f_log "default adblock configuration applied, please check the settings in '/etc/config/adblock'"
else
f_log "default adblock configuration not found, please re-install the package via 'opkg install adblock --force-maintainer'"
fi
return 0
}
query()
{
domain="${1}"
tld="${domain#*.}"
list_dns="$(find "${adb_dnsdir}" -maxdepth 1 -type f -name "${adb_dnsprefix}*" -print)"
if [ -z "${list_dns}" ]
then
f_log "no active blocklists found, please start adblock first"
elif [ -z "${domain}" ] || [ "${domain}" = "${tld}" ]
then
f_log "invalid domain query input, please submit a specific (sub-)domain, i.e. 'www.abc.xyz'"
else
while [ "${domain}" != "${tld}" ]
do
search="${domain//./\.}"
result="$(grep -Hm 1 "[/\.]${search}/" "${adb_dnsdir}/adb_list"* | awk -F ':|/' '{print " "$4"\t: "$6}')"
count="$(grep -hc "[/\.]${search}/" "${adb_dnsdir}/adb_list"* | awk '{sum += $1} END {printf sum}')"
printf "%s\n" "=> distinct results for domain '${domain}' (overall ${count})"
if [ -z "${result}" ]
then
printf "%s\n" " no matches in active blocklists"
else
printf "%s\n" "${result}"
fi
domain="${tld}"
tld="${domain#*.}"
done
fi
return 0
}
envchk()
{
adb_loglevel=0
f_envcheck
rm -f "${adb_tmpfile}"
rm -rf "${adb_tmpdir}"
adb_loglevel=1
f_log "adblock environment check finished successfully"
return 0
}