packages/net/adblock/files/adblock.init

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#!/bin/sh /etc/rc.common
# Copyright (c) 2015-2026 Dirk Brenken (dev@brenken.org)
# This is free software, licensed under the GNU General Public License v3.
# (s)hellcheck exceptions
# shellcheck disable=all
START=30
USE_PROCD=1
extra_command "suspend" "Suspend adblock processing"
extra_command "resume" "Resume adblock processing"
extra_command "search" "<domain> Search active blocklists and backups for a specific domain"
extra_command "report" "[<cli>|<mail>|<gen>|<json>] Print DNS statistics"
adb_init="/etc/init.d/adblock"
adb_script="/usr/bin/adblock.sh"
adb_rundir="/var/run/adblock"
adb_pidfile="/var/run/adblock/adblock.pid"
adb_rtfile="/var/run/adblock/adblock.runtime.json"
if [ -z "${IPKG_INSTROOT}" ]; then
# ensure runtime directory exists
#
[ ! -d "${adb_rundir}" ] && mkdir -p "${adb_rundir}"
# check for running instance and handle boot trigger
#
case "${action}" in
"boot")
"${adb_init}" running && exit 0
;;
esac
# reset pidfile if no/stale process is found,
# otherwise exit with error to prevent multiple instances
#
if [ -s "${adb_pidfile}" ]; then
pid="$(cat "${adb_pidfile}" 2>/dev/null)"
if [ -n "${pid}" ] && kill -0 "${pid}" 2>/dev/null; then
case "${action}" in
"start" | "stop" | "restart" | "reload" | "report" | "suspend" | "resume" | "search")
exit 1
;;
esac
else
: >"${adb_pidfile}"
fi
fi
fi
boot() {
rc_procd start_service boot
}
start_service() {
local status backend blocklist
if "${adb_init}" enabled; then
if [ "${action}" = "boot" ]; then
[ -n "$(uci_get adblock global adb_trigger)" ] && return 0
fi
if [ "${1}" = "refresh" ]; then
json_init
json_load_file "${adb_rtfile}" >/dev/null 2>&1
json_get_var status "adblock_status"
json_get_var backend "dns_backend"
if [ -n "${status}" ] && [ "${status}" != "error" ]; then
[ "${status}" != "enabled" ] && return 0
blocklist="${backend#*, }"
blocklist="${blocklist%%,*}/adb_list.overall"
[ -s "${blocklist}" ] && return 0
fi
fi
procd_open_instance "adblock"
procd_set_param command "${adb_script}" "${action}"
procd_set_param pidfile "${adb_pidfile}"
procd_set_param nice "$(uci_get adblock global adb_nicelimit "0")"
procd_set_param stdout 0
procd_set_param stderr 1
procd_close_instance
fi
}
restart() {
stop_service "restart"
rc_procd start_service restart
}
reload_service() {
rc_procd start_service reload
}
stop_service() {
[ -z "${1}" ] && rc_procd "${adb_script}" stop
}
suspend() {
rc_procd start_service suspend
}
resume() {
rc_procd start_service resume
}
search() {
rc_procd "${adb_script}" search "${1}"
}
report() {
rc_procd "${adb_script}" report "${1:-"cli"}" "${2}" "${3}" "${4}"
}
status() {
status_service
}
status_service() {
local key keylist type value values
json_init
json_load_file "${adb_rtfile}" >/dev/null 2>&1
json_get_keys keylist
if [ -n "${keylist}" ]; then
printf '%s\n' "::: adblock runtime information"
for key in ${keylist}; do
[ "${key}" = "backup_cnt" ] && continue
json_get_type type "${key}" >/dev/null 2>&1
if [ "${type}" = "array" ]; then
json_get_values values "${key}" >/dev/null 2>&1
value="${values// /, }"
else
json_get_var value "${key}" >/dev/null 2>&1
fi
printf ' + %-15s : %s\n' "${key}" "${value:-"-"}"
done
else
printf '%s\n' "::: no adblock runtime information available"
fi
}
service_triggers() {
local iface delay trigger
delay="$(uci_get adblock global adb_triggerdelay "5")"
trigger="$(uci_get adblock global adb_trigger)"
PROCD_RELOAD_DELAY="$((delay * 1000))"
for iface in ${trigger}; do
procd_add_interface_trigger "interface.*" "${iface}" "${adb_init}" start refresh
done
}