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1894 lines
58 KiB
1894 lines
58 KiB
#!/bin/sh
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# dns based ad/abuse domain blocking
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# Copyright (c) 2015-2021 Dirk Brenken (dev@brenken.org)
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# This is free software, licensed under the GNU General Public License v3.
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# set (s)hellcheck exceptions
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# shellcheck disable=1091,2010,2016,2034,2039,2059,2086,2091,2129,2143,2154,2181,2183,2188
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# set initial defaults
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#
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export LC_ALL=C
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export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
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set -o pipefail
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adb_ver="4.1.3"
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adb_enabled=0
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adb_debug=0
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adb_forcedns=0
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adb_maxqueue=4
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adb_dnsflush=0
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adb_dnstimeout=20
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adb_safesearch=0
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adb_safesearchlist=""
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adb_safesearchmod=0
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adb_report=0
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adb_trigger=""
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adb_triggerdelay=0
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adb_backup=1
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adb_mail=0
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adb_mailcnt=0
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adb_jail=0
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adb_dns=""
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adb_dnsprefix="adb_list"
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adb_locallist="blacklist whitelist iplist"
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adb_tmpbase="/tmp"
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adb_backupdir="${adb_tmpbase}/adblock-Backup"
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adb_reportdir="${adb_tmpbase}/adblock-Report"
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adb_jaildir="/tmp"
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adb_pidfile="/var/run/adblock.pid"
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adb_blacklist="/etc/adblock/adblock.blacklist"
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adb_whitelist="/etc/adblock/adblock.whitelist"
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adb_mailservice="/etc/adblock/adblock.mail"
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adb_dnsfile="${adb_dnsprefix}.overall"
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adb_dnsjail="${adb_dnsprefix}.jail"
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adb_srcarc="/etc/adblock/adblock.sources.gz"
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adb_srcfile="${adb_tmpbase}/adb_sources.json"
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adb_rtfile="${adb_tmpbase}/adb_runtime.json"
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adb_loggercmd="$(command -v logger)"
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adb_dumpcmd="$(command -v tcpdump)"
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adb_lookupcmd="$(command -v nslookup)"
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adb_fetchutil=""
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adb_zonelist=""
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adb_portlist=""
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adb_repiface=""
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adb_replisten="53"
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adb_repchunkcnt="5"
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adb_repchunksize="1"
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adb_represolve="0"
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adb_lookupdomain="example.com"
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adb_action="${1:-"start"}"
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adb_packages=""
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adb_sources=""
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adb_cnt=""
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# load & check adblock environment
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#
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f_load()
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{
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local bg_pid iface port ports
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adb_sysver="$(ubus -S call system board 2>/dev/null | jsonfilter -e '@.model' -e '@.release.description' | \
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"${adb_awk}" 'BEGIN{ORS=", "}{print $0}' | "${adb_awk}" '{print substr($0,1,length($0)-2)}')"
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f_conf
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if [ "${adb_action}" != "report" ]
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then
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f_dns
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f_fetch
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fi
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if [ "${adb_enabled}" = "0" ]
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then
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f_extconf
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f_temp
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f_rmdns
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f_jsnup "disabled"
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f_log "info" "adblock is currently disabled, please set the config option 'adb_enabled' to '1' to use this service"
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exit 0
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fi
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if [ "${adb_report}" = "1" ] && [ ! -x "${adb_dumpcmd}" ]
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then
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f_log "info" "Please install the package 'tcpdump' or 'tcpdump-mini' to use the reporting feature"
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elif [ "${adb_report}" = "0" ] && [ "${adb_action}" = "report" ]
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then
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f_log "info" "Please enable the 'DNS Report' option to use the reporting feature"
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exit 0
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fi
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bg_pid="$(pgrep -f "^${adb_dumpcmd}.*adb_report\\.pcap$" | "${adb_awk}" '{ORS=" "; print $1}')"
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if [ -x "${adb_dumpcmd}" ] && { [ "${adb_report}" = "0" ] || { [ -n "${bg_pid}" ] && { [ "${adb_action}" = "stop" ] || [ "${adb_action}" = "restart" ]; }; }; }
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then
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if [ -n "${bg_pid}" ]
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then
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kill -HUP "${bg_pid}" 2>/dev/null
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while $(kill -0 "${bg_pid}" 2>/dev/null)
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do
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sleep 1
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done
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unset bg_pid
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fi
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fi
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if [ -x "${adb_dumpcmd}" ] && [ "${adb_report}" = "1" ] && [ -z "${bg_pid}" ] && [ "${adb_action}" != "report" ] && [ "${adb_action}" != "stop" ]
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then
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for port in ${adb_replisten}
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do
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if [ -z "${ports}" ]
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then
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ports="port ${port}"
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else
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ports="${ports} or port ${port}"
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fi
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done
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if [ -z "${adb_repiface}" ]
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then
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network_get_device iface "lan"
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if [ -n "${iface}" ]
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then
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adb_repiface="${iface}"
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else
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network_get_physdev iface "lan"
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if [ -n "${iface}" ]
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then
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adb_repiface="${iface}"
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fi
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fi
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if [ -n "${adb_repiface}" ]
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then
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uci_set adblock global adb_repiface "${adb_repiface}"
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f_uci "adblock"
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fi
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fi
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if [ -n "${adb_reportdir}" ] && [ ! -d "${adb_reportdir}" ]
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then
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mkdir -p "${adb_reportdir}"
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f_log "info" "report directory '${adb_reportdir}' created"
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fi
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if [ -n "${adb_repiface}" ] && [ -d "${adb_reportdir}" ]
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then
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( "${adb_dumpcmd}" -nn -p -s0 -l -i ${adb_repiface} ${ports} -C${adb_repchunksize} -W${adb_repchunkcnt} -w "${adb_reportdir}/adb_report.pcap" >/dev/null 2>&1 & )
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bg_pid="$(pgrep -f "^${adb_dumpcmd}.*adb_report\\.pcap$" | "${adb_awk}" '{ORS=" "; print $1}')"
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else
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f_log "info" "Please set the name of the reporting network device 'adb_repiface' manually"
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fi
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fi
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}
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# check & set environment
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#
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f_env()
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{
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adb_starttime="$(date "+%s")"
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f_log "info" "adblock instance started ::: action: ${adb_action}, priority: ${adb_nice:-"0"}, pid: ${$}"
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f_jsnup "running"
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f_extconf
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f_temp
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if [ "${adb_dnsflush}" = "1" ]
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then
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printf "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
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f_dnsup
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fi
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if [ ! -r "${adb_srcfile}" ]
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then
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if [ -r "${adb_srcarc}" ]
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then
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zcat "${adb_srcarc}" > "${adb_srcfile}"
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else
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f_log "err" "adblock source archive not found"
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fi
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fi
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if [ -r "${adb_srcfile}" ] && [ "${adb_action}" != "report" ]
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then
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json_init
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json_load_file "${adb_srcfile}"
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else
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f_log "err" "adblock source file not found"
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fi
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}
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# load adblock config
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#
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f_conf()
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{
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local cnt=0 cnt_max=10
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if [ ! -r "/etc/config/adblock" ] || [ -z "$(uci -q show adblock.global.adb_safesearch)" ]
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then
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f_log "err" "no valid adblock config found, please re-install the package via opkg with the '--force-reinstall --force-maintainer' options"
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fi
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config_cb()
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{
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option_cb()
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{
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local option="${1}"
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local value="${2}"
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eval "${option}=\"${value}\""
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}
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list_cb()
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{
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local option="${1}"
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local value="${2}"
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if [ "${option}" = "adb_sources" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_sources}") ${value}\""
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elif [ "${option}" = "adb_eng_sources" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_eng_sources}") ${value}\""
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elif [ "${option}" = "adb_sha_sources" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_sha_sources}") ${value}\""
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elif [ "${option}" = "adb_stb_sources" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_stb_sources}") ${value}\""
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elif [ "${option}" = "adb_utc_sources" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_utc_sources}") ${value}\""
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elif [ "${option}" = "adb_denyip" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_denyip}") ${value}\""
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elif [ "${option}" = "adb_allowip" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_allowip}") ${value}\""
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elif [ "${option}" = "adb_safesearchlist" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_safesearchlist}") ${value}\""
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elif [ "${option}" = "adb_zonelist" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_zonelist}") ${value}\""
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elif [ "${option}" = "adb_portlist" ]
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then
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eval "${option}=\"$(printf "%s" "${adb_portlist}") ${value}\""
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fi
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}
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}
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config_load adblock
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if [ -z "${adb_fetchutil}" ] || [ -z "${adb_dns}" ]
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then
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while [ -z "${adb_packages}" ] && [ "${cnt}" -le "${cnt_max}" ]
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do
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adb_packages="$(opkg list-installed 2>/dev/null)"
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cnt=$((cnt+1))
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sleep 1
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done
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if [ -z "${adb_packages}" ]
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then
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f_log "err" "local opkg package repository is not available, please set 'adb_fetchutil' and 'adb_dns' manually"
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fi
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fi
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}
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# status helper function
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#
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f_char()
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{
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local result input="${1}"
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if [ "${input}" = "1" ]
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then
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result="✔"
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else
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result="✘"
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fi
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printf "%s" "${result}"
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}
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# load dns backend config
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#
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f_dns()
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{
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local util utils dns_up cnt=0
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if [ -z "${adb_dns}" ]
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then
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utils="knot-resolver bind unbound dnsmasq raw"
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for util in ${utils}
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do
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if [ "${util}" = "raw" ] || [ -n "$(printf "%s" "${adb_packages}" | grep "^${util}")" ]
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then
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if [ "${util}" = "knot-resolver" ]
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then
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util="kresd"
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elif [ "${util}" = "bind" ]
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then
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util="named"
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fi
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if [ "${util}" = "raw" ] || [ -x "$(command -v "${util}")" ]
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then
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adb_dns="${util}"
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uci_set adblock global adb_dns "${util}"
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f_uci "adblock"
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break
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fi
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fi
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done
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elif [ "${adb_dns}" != "raw" ] && [ ! -x "$(command -v "${adb_dns}")" ]
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then
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unset adb_dns
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fi
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if [ -n "${adb_dns}" ]
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then
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case "${adb_dns}" in
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"dnsmasq")
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adb_dnscachecmd="-"
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adb_dnsinotify="${adb_dnsinotify:-"0"}"
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adb_dnsinstance="${adb_dnsinstance:-"0"}"
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adb_dnsuser="${adb_dnsuser:-"dnsmasq"}"
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adb_dnsdir="${adb_dnsdir:-"/tmp/dnsmasq.d"}"
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adb_dnsheader="${adb_dnsheader}"
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adb_dnsdeny="${adb_dnsdeny:-"${adb_awk} '{print \"address=/\"\$0\"/\"}'"}"
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adb_dnsallow="${adb_dnsallow:-"${adb_awk} '{print \"local=/\"\$0\"/#\"}'"}"
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adb_dnssafesearch="${adb_dnssafesearch:-"${adb_awk} -v item=\"\$item\" '{print \"address=/\"\$0\"/\"item\"\"}'"}"
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adb_dnsstop="${adb_dnsstop:-"address=/#/"}"
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;;
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"unbound")
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adb_dnscachecmd="$(command -v unbound-control || printf "%s" "-")"
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adb_dnsinotify="${adb_dnsinotify:-"0"}"
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adb_dnsinstance="${adb_dnsinstance:-"0"}"
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adb_dnsuser="${adb_dnsuser:-"unbound"}"
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adb_dnsdir="${adb_dnsdir:-"/var/lib/unbound"}"
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adb_dnsheader="${adb_dnsheader}"
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adb_dnsdeny="${adb_dnsdeny:-"${adb_awk} '{print \"local-zone: \\042\"\$0\"\\042 static\"}'"}"
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adb_dnsallow="${adb_dnsallow:-"${adb_awk} '{print \"local-zone: \\042\"\$0\"\\042 transparent\"}'"}"
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adb_dnssafesearch="${adb_dnssafesearch:-"${adb_awk} -v item=\"\$item\" '{type=\"AAAA\";if(match(item,/^([0-9]{1,3}\.){3}[0-9]{1,3}$/)){type=\"A\"}}{print \"local-data: \\042\"\$0\" \"type\" \"item\"\\042\"}'"}"
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adb_dnsstop="${adb_dnsstop:-"local-zone: \".\" static"}"
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;;
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"named")
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adb_dnscachecmd="$(command -v rndc || printf "%s" "-")"
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adb_dnsinotify="${adb_dnsinotify:-"0"}"
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adb_dnsinstance="${adb_dnsinstance:-"0"}"
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adb_dnsuser="${adb_dnsuser:-"bind"}"
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adb_dnsdir="${adb_dnsdir:-"/var/lib/bind"}"
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adb_dnsheader="${adb_dnsheader:-"\$TTL 2h\n@ IN SOA localhost. root.localhost. (1 6h 1h 1w 2h)\n IN NS localhost.\n"}"
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adb_dnsdeny="${adb_dnsdeny:-"${adb_awk} '{print \"\"\$0\" CNAME .\\n*.\"\$0\" CNAME .\"}'"}"
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adb_dnsallow="${adb_dnsallow:-"${adb_awk} '{print \"\"\$0\" CNAME rpz-passthru.\\n*.\"\$0\" CNAME rpz-passthru.\"}'"}"
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adb_dnsdenyip="${adb_dnsdenyip:-"${adb_awk} '{print \"\"\$0\".rpz-client-ip CNAME .\"}'"}"
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adb_dnsallowip="${adb_dnsallowip:-"${adb_awk} '{print \"\"\$0\".rpz-client-ip CNAME rpz-passthru.\"}'"}"
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adb_dnssafesearch="${adb_dnssafesearch:-"${adb_awk} -v item=\"\$item\" '{print \"\"\$0\" CNAME \"item\".\\n*.\"\$0\" CNAME \"item\".\"}'"}"
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adb_dnsstop="${adb_dnsstop:-"* CNAME ."}"
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;;
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"kresd")
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adb_dnscachecmd="-"
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adb_dnsinotify="${adb_dnsinotify:-"0"}"
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adb_dnsinstance="${adb_dnsinstance:-"0"}"
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adb_dnsuser="${adb_dnsuser:-"root"}"
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adb_dnsdir="${adb_dnsdir:-"/etc/kresd"}"
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adb_dnsheader="${adb_dnsheader:-"\$TTL 2h\n@ IN SOA localhost. root.localhost. (1 6h 1h 1w 2h)\n"}"
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adb_dnsdeny="${adb_dnsdeny:-"${adb_awk} '{print \"\"\$0\" CNAME .\\n*.\"\$0\" CNAME .\"}'"}"
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adb_dnsallow="${adb_dnsallow:-"${adb_awk} '{print \"\"\$0\" CNAME rpz-passthru.\\n*.\"\$0\" CNAME rpz-passthru.\"}'"}"
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adb_dnssafesearch="${adb_dnssafesearch:-"${adb_awk} -v item=\"\$item\" '{type=\"AAAA\";if(match(item,/^([0-9]{1,3}\.){3}[0-9]{1,3}$/)){type=\"A\"}}{print \"\"\$0\" \"type\" \"item\"\"}'"}"
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adb_dnsstop="${adb_dnsstop:-"* CNAME ."}"
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;;
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"raw")
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adb_dnscachecmd="-"
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adb_dnsinotify="${adb_dnsinotify:-"0"}"
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adb_dnsinstance="${adb_dnsinstance:-"0"}"
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adb_dnsuser="${adb_dnsuser:-"root"}"
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adb_dnsdir="${adb_dnsdir:-"/tmp"}"
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adb_dnsheader="${adb_dnsheader}"
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adb_dnsdeny="${adb_dnsdeny:-"0"}"
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adb_dnsallow="${adb_dnsallow:-"1"}"
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adb_dnssafesearch="${adb_dnssafesearch:-"0"}"
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adb_dnsstop="${adb_dnsstop:-"0"}"
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;;
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esac
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fi
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if [ "${adb_dns}" != "raw" ] && { [ -z "${adb_dns}" ] || [ ! -x "$(command -v "${adb_dns}")" ]; }
|
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then
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f_log "err" "dns backend not found, please set 'adb_dns' manually"
|
|
fi
|
|
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|
if [ "${adb_dns}" != "raw" ] && { [ "${adb_dnsdir}" = "${adb_tmpbase}" ] || [ "${adb_dnsdir}" = "${adb_backupdir}" ] || [ "${adb_dnsdir}" = "${adb_reportdir}" ]; }
|
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then
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f_log "err" "dns directory '${adb_dnsdir}' has been misconfigured, it must not point to the 'adb_tmpbase', 'adb_backupdir', 'adb_reportdir'"
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fi
|
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if [ "${adb_action}" = "start" ] && [ -z "${adb_trigger}" ]
|
|
then
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sleep ${adb_triggerdelay}
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|
fi
|
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|
if [ "${adb_dns}" != "raw" ] && [ "${adb_action}" != "stop" ]
|
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then
|
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while [ "${cnt}" -le 30 ]
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do
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dns_up="$(ubus -S call service list "{\"name\":\"${adb_dns}\"}" 2>/dev/null | jsonfilter -l1 -e "@[\"${adb_dns}\"].instances.*.running" 2>/dev/null)"
|
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if [ "${dns_up}" = "true" ]
|
|
then
|
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break
|
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fi
|
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sleep 1
|
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cnt=$((cnt+1))
|
|
done
|
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|
|
if [ -n "${adb_dnsdir}" ] && [ ! -d "${adb_dnsdir}" ]
|
|
then
|
|
mkdir -p "${adb_dnsdir}"
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
f_log "info" "dns backend directory '${adb_dnsdir}' created"
|
|
else
|
|
f_log "err" "dns backend directory '${adb_dnsdir}' could not be created"
|
|
fi
|
|
fi
|
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|
|
if [ ! -f "${adb_dnsdir}/${adb_dnsfile}" ]
|
|
then
|
|
printf "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
|
|
if [ "${dns_up}" != "true" ]
|
|
then
|
|
f_dnsup 4
|
|
if [ "${?}" != "0" ]
|
|
then
|
|
f_log "err" "dns backend '${adb_dns}' not running or executable"
|
|
fi
|
|
fi
|
|
|
|
if [ "${adb_backup}" = "1" ] && [ -n "${adb_backupdir}" ] && [ ! -d "${adb_backupdir}" ]
|
|
then
|
|
mkdir -p "${adb_backupdir}"
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
f_log "info" "backup directory '${adb_backupdir}' created"
|
|
else
|
|
f_log "err" "backup directory '${adb_backupdir}' could not be created"
|
|
fi
|
|
fi
|
|
|
|
if [ -n "${adb_jaildir}" ] && [ ! -d "${adb_jaildir}" ]
|
|
then
|
|
mkdir -p "${adb_jaildir}"
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
f_log "info" "jail directory '${adb_jaildir}' created"
|
|
else
|
|
f_log "err" "jail directory '${adb_jaildir}' could not be created"
|
|
fi
|
|
fi
|
|
fi
|
|
f_log "debug" "f_dns ::: dns: ${adb_dns}, dns_dir: ${adb_dnsdir}, dns_file: ${adb_dnsfile}, dns_user: ${adb_dnsuser}, dns_inotify: ${adb_dnsinotify}, dns_instance: ${adb_dnsinstance}, backup: ${adb_backup}, backup_dir: ${adb_backupdir}, jail_dir: ${adb_jaildir}"
|
|
}
|
|
|
|
# load fetch utility
|
|
#
|
|
f_fetch()
|
|
{
|
|
local util utils insecure cnt=0
|
|
|
|
if [ -z "${adb_fetchutil}" ]
|
|
then
|
|
utils="aria2c curl wget uclient-fetch"
|
|
for util in ${utils}
|
|
do
|
|
if { [ "${util}" = "uclient-fetch" ] && [ -n "$(printf "%s" "${adb_packages}" | grep "^libustream-")" ]; } || \
|
|
{ [ "${util}" = "wget" ] && [ -n "$(printf "%s" "${adb_packages}" | grep "^wget -")" ]; } || \
|
|
[ "${util}" = "curl" ] || [ "${util}" = "aria2c" ]
|
|
then
|
|
if [ -x "$(command -v "${util}")" ]
|
|
then
|
|
adb_fetchutil="${util}"
|
|
uci_set adblock global adb_fetchutil "${util}"
|
|
f_uci "adblock"
|
|
break
|
|
fi
|
|
fi
|
|
done
|
|
elif [ ! -x "$(command -v "${adb_fetchutil}")" ]
|
|
then
|
|
unset adb_fetchutil
|
|
fi
|
|
case "${adb_fetchutil}" in
|
|
"aria2c")
|
|
if [ "${adb_fetchinsecure}" = "1" ]
|
|
then
|
|
insecure="--check-certificate=false"
|
|
fi
|
|
adb_fetchparm="${adb_fetchparm:-"${insecure} --timeout=20 --allow-overwrite=true --auto-file-renaming=false --log-level=warn --dir=/ -o"}"
|
|
;;
|
|
"curl")
|
|
if [ "${adb_fetchinsecure}" = "1" ]
|
|
then
|
|
insecure="--insecure"
|
|
fi
|
|
adb_fetchparm="${adb_fetchparm:-"${insecure} --connect-timeout 20 --silent --show-error --location -o"}"
|
|
;;
|
|
"uclient-fetch")
|
|
if [ "${adb_fetchinsecure}" = "1" ]
|
|
then
|
|
insecure="--no-check-certificate"
|
|
fi
|
|
adb_fetchparm="${adb_fetchparm:-"${insecure} --timeout=20 -O"}"
|
|
;;
|
|
"wget")
|
|
if [ "${adb_fetchinsecure}" = "1" ]
|
|
then
|
|
insecure="--no-check-certificate"
|
|
fi
|
|
adb_fetchparm="${adb_fetchparm:-"${insecure} --no-cache --no-cookies --max-redirect=0 --timeout=20 -O"}"
|
|
;;
|
|
esac
|
|
if [ -n "${adb_fetchutil}" ] && [ -n "${adb_fetchparm}" ]
|
|
then
|
|
adb_fetchutil="$(command -v "${adb_fetchutil}")"
|
|
else
|
|
f_log "err" "download utility with SSL support not found, please install 'uclient-fetch' with a 'libustream-*' variant or another download utility like 'wget', 'curl' or 'aria2'"
|
|
fi
|
|
f_log "debug" "f_fetch ::: fetch_util: ${adb_fetchutil:-"-"}, fetch_parm: ${adb_fetchparm:-"-"}"
|
|
}
|
|
|
|
# create temporary files, directories and set dependent options
|
|
#
|
|
f_temp()
|
|
{
|
|
local cpu core cores
|
|
|
|
cpu="$(grep -c '^processor' /proc/cpuinfo 2>/dev/null)"
|
|
core="$(grep -cm1 '^core id' /proc/cpuinfo 2>/dev/null)"
|
|
if [ "${cpu}" = "0" ]
|
|
then
|
|
cpu=1
|
|
fi
|
|
if [ "${core}" = "0" ]
|
|
then
|
|
core=1
|
|
fi
|
|
cores=$((cpu*core))
|
|
|
|
if [ -d "${adb_tmpbase}" ]
|
|
then
|
|
adb_tmpdir="$(mktemp -p "${adb_tmpbase}" -d)"
|
|
adb_tmpload="$(mktemp -p "${adb_tmpdir}" -tu)"
|
|
adb_tmpfile="$(mktemp -p "${adb_tmpdir}" -tu)"
|
|
adb_srtopts="--temporary-directory=${adb_tmpdir} --compress-program=gzip --batch-size=32 --parallel=${cores}"
|
|
else
|
|
f_log "err" "the temp base directory '${adb_tmpbase}' does not exist/is not mounted yet, please create the directory or raise the 'adb_triggerdelay' to defer the adblock start"
|
|
fi
|
|
if [ ! -s "${adb_pidfile}" ]
|
|
then
|
|
printf "%s" "${$}" > "${adb_pidfile}"
|
|
fi
|
|
f_log "debug" "f_temp ::: tmp_base: ${adb_tmpbase:-"-"}, tmp_dir: ${adb_tmpdir:-"-"}, cores: ${cores:-"-"}, sort_options: ${adb_srtopts}, pid_file: ${adb_pidfile:-"-"}"
|
|
}
|
|
|
|
# remove temporary files and directories
|
|
#
|
|
f_rmtemp()
|
|
{
|
|
if [ -d "${adb_tmpdir}" ]
|
|
then
|
|
rm -rf "${adb_tmpdir}"
|
|
fi
|
|
rm -f "${adb_srcfile}"
|
|
> "${adb_pidfile}"
|
|
f_log "debug" "f_rmtemp ::: tmp_dir: ${adb_tmpdir:-"-"}, src_file: ${adb_srcfile:-"-"}, pid_file: ${adb_pidfile:-"-"}"
|
|
}
|
|
|
|
# remove dns related files
|
|
#
|
|
f_rmdns()
|
|
{
|
|
local status
|
|
|
|
status="$(ubus -S call service list '{"name":"adblock"}' 2>/dev/null | jsonfilter -l1 -e '@["adblock"].instances.*.running' 2>/dev/null)"
|
|
if [ "${adb_dns}" = "raw" ] || { [ -n "${adb_dns}" ] && [ -n "${status}" ]; }
|
|
then
|
|
> "${adb_rtfile}"
|
|
if [ "${adb_backup}" = "1" ]
|
|
then
|
|
rm -f "${adb_backupdir}/${adb_dnsprefix}".*.gz
|
|
fi
|
|
printf "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
f_dnsup 4
|
|
fi
|
|
f_rmtemp
|
|
f_log "debug" "f_rmdns ::: dns: ${adb_dns}, status: ${status:-"-"}, dns_dir: ${adb_dnsdir}, dns_file: ${adb_dnsfile}, rt_file: ${adb_rtfile}, backup_dir: ${adb_backupdir:-"-"}"
|
|
}
|
|
|
|
# commit uci changes
|
|
#
|
|
f_uci()
|
|
{
|
|
local change config="${1}"
|
|
|
|
if [ -n "${config}" ]
|
|
then
|
|
change="$(uci -q changes "${config}" | "${adb_awk}" '{ORS=" "; print $0}')"
|
|
if [ -n "${change}" ]
|
|
then
|
|
uci_commit "${config}"
|
|
case "${config}" in
|
|
"firewall")
|
|
"/etc/init.d/firewall" reload >/dev/null 2>&1
|
|
;;
|
|
"resolver")
|
|
printf "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
f_count
|
|
f_jsnup "running"
|
|
"/etc/init.d/${adb_dns}" reload >/dev/null 2>&1
|
|
;;
|
|
esac
|
|
fi
|
|
f_log "debug" "f_uci ::: config: ${config}, change: ${change}"
|
|
fi
|
|
}
|
|
|
|
# get list counter
|
|
#
|
|
f_count()
|
|
{
|
|
local file mode="${1}" name="${2}"
|
|
|
|
adb_cnt=0
|
|
case "${mode}" in
|
|
"iplist")
|
|
if [ -s "${adb_tmpdir}/tmp.add.${name}" ]
|
|
then
|
|
adb_cnt="$(wc -l 2>/dev/null < "${adb_tmpdir}/tmp.add.${name}")"
|
|
fi
|
|
;;
|
|
"blacklist")
|
|
if [ -s "${adb_tmpfile}.${name}" ]
|
|
then
|
|
adb_cnt="$(wc -l 2>/dev/null < "${adb_tmpfile}.${name}")"
|
|
fi
|
|
;;
|
|
"whitelist")
|
|
if [ -s "${adb_tmpdir}/tmp.raw.${name}" ]
|
|
then
|
|
adb_cnt="$(wc -l 2>/dev/null < "${adb_tmpdir}/tmp.raw.${name}")"
|
|
rm -f "${adb_tmpdir}/tmp.raw.${name}"
|
|
fi
|
|
;;
|
|
"safesearch")
|
|
if [ -s "${adb_tmpdir}/tmp.safesearch.${name}" ]
|
|
then
|
|
adb_cnt="$(wc -l 2>/dev/null < "${adb_tmpdir}/tmp.safesearch.${name}")"
|
|
fi
|
|
;;
|
|
"merge")
|
|
if [ -s "${adb_tmpdir}/${adb_dnsfile}" ]
|
|
then
|
|
adb_cnt="$(wc -l 2>/dev/null < "${adb_tmpdir}/${adb_dnsfile}")"
|
|
fi
|
|
;;
|
|
"download"|"backup"|"restore")
|
|
if [ -s "${src_tmpfile}" ]
|
|
then
|
|
adb_cnt="$(wc -l 2>/dev/null < "${src_tmpfile}")"
|
|
fi
|
|
;;
|
|
"final")
|
|
if [ -s "${adb_dnsdir}/${adb_dnsfile}" ]
|
|
then
|
|
adb_cnt="$(wc -l 2>/dev/null < "${adb_dnsdir}/${adb_dnsfile}")"
|
|
if [ -s "${adb_tmpdir}/tmp.add.whitelist" ]
|
|
then
|
|
adb_cnt=$((adb_cnt-$(wc -l 2>/dev/null < "${adb_tmpdir}/tmp.add.whitelist")))
|
|
fi
|
|
for file in "${adb_tmpdir}/tmp.safesearch".*
|
|
do
|
|
if [ -r "${file}" ]
|
|
then
|
|
adb_cnt=$((adb_cnt-$(wc -l 2>/dev/null < "${file}")))
|
|
fi
|
|
done
|
|
if [ -n "${adb_dnsheader}" ]
|
|
then
|
|
adb_cnt=$(((adb_cnt-$(printf "${adb_dnsheader}" | grep -c "^"))/2))
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# set external config options
|
|
#
|
|
f_extconf()
|
|
{
|
|
local config config_dir config_file section zone port fwcfg
|
|
|
|
case "${adb_dns}" in
|
|
"dnsmasq")
|
|
config="dhcp"
|
|
config_dir="$(uci_get dhcp "@dnsmasq[${adb_dnsinstance}]" confdir | grep -Fo "${adb_dnsdir}")"
|
|
if [ "${adb_enabled}" = "1" ] && [ -z "${config_dir}" ]
|
|
then
|
|
uci_set dhcp "@dnsmasq[${adb_dnsinstance}]" confdir "${adb_dnsdir}" 2>/dev/null
|
|
fi
|
|
;;
|
|
"kresd")
|
|
config="resolver"
|
|
config_file="$(uci_get resolver kresd rpz_file | grep -Fo "${adb_dnsdir}/${adb_dnsfile}")"
|
|
if [ "${adb_enabled}" = "1" ] && [ -z "${config_file}" ]
|
|
then
|
|
uci -q add_list resolver.kresd.rpz_file="${adb_dnsdir}/${adb_dnsfile}"
|
|
elif [ "${adb_enabled}" = "0" ] && [ -n "${config_file}" ]
|
|
then
|
|
uci -q del_list resolver.kresd.rpz_file="${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
;;
|
|
esac
|
|
f_uci "${config}"
|
|
|
|
config="firewall"
|
|
fwcfg="$(uci -qNX show "${config}" | "${adb_awk}" 'BEGIN{FS="[.=]"};/adblock_/{if(zone==$2){next}else{ORS=" ";zone=$2;print zone}}')"
|
|
if [ "${adb_enabled}" = "1" ] && [ "${adb_forcedns}" = "1" ] && \
|
|
[ "$(/etc/init.d/firewall enabled; printf "%u" ${?})" = "0" ]
|
|
then
|
|
for zone in ${adb_zonelist}
|
|
do
|
|
for port in ${adb_portlist}
|
|
do
|
|
if [ -z "$(printf "%s" "${fwcfg}" | grep -o -m1 "adblock_${zone}${port}[ |\$]")" ]
|
|
then
|
|
uci -q batch <<-EOC
|
|
set firewall."adblock_${zone}${port}"="redirect"
|
|
set firewall."adblock_${zone}${port}".name="Adblock DNS (${zone}, ${port})"
|
|
set firewall."adblock_${zone}${port}".src="${zone}"
|
|
set firewall."adblock_${zone}${port}".proto="tcp udp"
|
|
set firewall."adblock_${zone}${port}".src_dport="${port}"
|
|
set firewall."adblock_${zone}${port}".dest_port="${port}"
|
|
set firewall."adblock_${zone}${port}".target="DNAT"
|
|
EOC
|
|
fi
|
|
fwcfg="${fwcfg/adblock_${zone}${port}[ |\$]/}"
|
|
done
|
|
done
|
|
fwcfg="${fwcfg#"${fwcfg%%[![:space:]]*}"}"
|
|
fwcfg="${fwcfg%"${fwcfg##*[![:space:]]}"}"
|
|
fi
|
|
if [ "${adb_enabled}" = "0" ] || [ "${adb_forcedns}" = "0" ] || [ -n "${fwcfg}" ]
|
|
then
|
|
for section in ${fwcfg}
|
|
do
|
|
uci_remove firewall "${section}"
|
|
done
|
|
fi
|
|
f_uci "${config}"
|
|
}
|
|
|
|
# restart dns backend
|
|
#
|
|
f_dnsup()
|
|
{
|
|
local dns_service dns_up dns_pid dns_procfile restart_rc cnt=0 out_rc=4 in_rc="${1:-0}"
|
|
|
|
if [ "${adb_dns}" = "raw" ] || { [ "${in_rc}" = "0" ] && [ "${adb_dnsinotify}" = "1" ]; }
|
|
then
|
|
out_rc=0
|
|
else
|
|
if [ "${in_rc}" = "0" ] && [ "${adb_dnsflush}" = "0" ]
|
|
then
|
|
case "${adb_dns}" in
|
|
"unbound")
|
|
if [ -x "${adb_dnscachecmd}" ] && [ -d "${adb_tmpdir}" ] && [ -f "${adb_dnsdir}/unbound.conf" ]
|
|
then
|
|
"${adb_dnscachecmd}" -c "${adb_dnsdir}/unbound.conf" dump_cache > "${adb_tmpdir}/adb_cache.dump" 2>/dev/null
|
|
fi
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
restart_rc="${?}"
|
|
;;
|
|
"named")
|
|
if [ -x "${adb_dnscachecmd}" ] && [ -f "/etc/bind/rndc.conf" ]
|
|
then
|
|
"${adb_dnscachecmd}" -c "/etc/bind/rndc.conf" reload >/dev/null 2>&1
|
|
restart_rc="${?}"
|
|
fi
|
|
if [ -z "${restart_rc}" ] || { [ -n "${restart_rc}" ] && [ "${restart_rc}" != "0" ]; }
|
|
then
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
restart_rc="${?}"
|
|
fi
|
|
;;
|
|
*)
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
restart_rc="${?}"
|
|
;;
|
|
esac
|
|
fi
|
|
if [ -z "${restart_rc}" ]
|
|
then
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
restart_rc="${?}"
|
|
fi
|
|
fi
|
|
if [ "${restart_rc}" = "0" ]
|
|
then
|
|
while [ "${cnt}" -le "${adb_dnstimeout}" ]
|
|
do
|
|
dns_service="$(ubus -S call service list "{\"name\":\"${adb_dns}\"}")"
|
|
dns_up="$(printf "%s" "${dns_service}" | jsonfilter -l1 -e "@[\"${adb_dns}\"].instances.*.running")"
|
|
dns_pid="$(printf "%s" "${dns_service}" | jsonfilter -l1 -e "@[\"${adb_dns}\"].instances.*.pid")"
|
|
dns_procfile="$(ls -l "/proc/${dns_pid}/fd" 2>/dev/null | grep -Fo "${adb_dnsdir}/${adb_dnsfile}")"
|
|
if [ "${dns_up}" = "true" ] && [ -n "${dns_pid}" ] && [ -z "${dns_procfile}" ]
|
|
then
|
|
if [ -x "${adb_lookupcmd}" ] && [ "${adb_lookupdomain}" != "false" ]
|
|
then
|
|
"${adb_lookupcmd}" "${adb_lookupdomain}" >/dev/null 2>&1
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
out_rc=0
|
|
break
|
|
fi
|
|
else
|
|
sleep ${adb_dnstimeout}
|
|
cnt=${adb_dnstimeout}
|
|
out_rc=0
|
|
break
|
|
fi
|
|
fi
|
|
cnt=$((cnt+1))
|
|
sleep 1
|
|
done
|
|
if [ "${out_rc}" = "0" ] && [ "${adb_dns}" = "unbound" ]
|
|
then
|
|
if [ -x "${adb_dnscachecmd}" ] && [ -d "${adb_tmpdir}" ] && [ -s "${adb_tmpdir}/adb_cache.dump" ]
|
|
then
|
|
"${adb_dnscachecmd}" -c "${adb_dnsdir}/unbound.conf" load_cache < "${adb_tmpdir}/adb_cache.dump" >/dev/null 2>&1
|
|
restart_rc="${?}"
|
|
fi
|
|
fi
|
|
fi
|
|
f_log "debug" "f_dnsup ::: dns: ${adb_dns}, cache_cmd: ${adb_dnscachecmd:-"-"}, lookup_cmd: ${adb_lookupcmd:-"-"}, lookup_domain: ${adb_lookupdomain:-"-"}, restart_rc: ${restart_rc:-"-"}, dns_flush: ${adb_dnsflush}, dns_inotify: ${adb_dnsinotify}, dns_timeout: ${adb_dnstimeout}, dns_cnt: ${cnt}, in_rc: ${in_rc}, out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
}
|
|
|
|
# backup/restore/remove blocklists
|
|
#
|
|
f_list()
|
|
{
|
|
local hold file rset item array safe_url safe_ips safe_cname safe_domains ip out_rc mode="${1}" src_name="${2:-"${src_name}"}" in_rc="${src_rc:-0}" cnt="1" ffiles="-maxdepth 1 -name ${adb_dnsprefix}.*.gz"
|
|
|
|
case "${mode}" in
|
|
"iplist")
|
|
src_name="${mode}"
|
|
if [ "${adb_dns}" = "named" ]
|
|
then
|
|
rset="BEGIN{FS=\"[.:]\";pfx=\"32\"}{if(match(\$0,/:/))pfx=\"128\"}{printf \"%s.\",pfx;for(seg=NF;seg>=1;seg--)if(seg==1)printf \"%s\n\",\$seg;else if(\$seg>=0)printf \"%s.\",\$seg; else printf \"%s.\",\"zz\"}"
|
|
if [ -n "${adb_allowip}" ]
|
|
then
|
|
> "${adb_tmpdir}/tmp.raw.${src_name}"
|
|
for ip in ${adb_allowip}
|
|
do
|
|
printf "%s" "${ip}" | "${adb_awk}" "${rset}" >> "${adb_tmpdir}/tmp.raw.${src_name}"
|
|
done
|
|
eval "${adb_dnsallowip}" "${adb_tmpdir}/tmp.raw.${src_name}" > "${adb_tmpdir}/tmp.add.${src_name}"
|
|
out_rc="${?}"
|
|
fi
|
|
if [ -n "${adb_denyip}" ] && { [ -z "${out_rc}" ] || [ "${out_rc}" = "0" ]; }
|
|
then
|
|
> "${adb_tmpdir}/tmp.raw.${src_name}"
|
|
for ip in ${adb_denyip}
|
|
do
|
|
printf "%s" "${ip}" | "${adb_awk}" "${rset}" >> "${adb_tmpdir}/tmp.raw.${src_name}"
|
|
done
|
|
eval "${adb_dnsdenyip}" "${adb_tmpdir}/tmp.raw.${src_name}" >> "${adb_tmpdir}/tmp.add.${src_name}"
|
|
out_rc="${?}"
|
|
fi
|
|
rm -f "${adb_tmpdir}/tmp.raw.${src_name}"
|
|
fi
|
|
;;
|
|
"blacklist"|"whitelist")
|
|
src_name="${mode}"
|
|
if [ "${src_name}" = "blacklist" ] && [ -f "${adb_blacklist}" ]
|
|
then
|
|
rset="/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower(\$1)}"
|
|
"${adb_awk}" "${rset}" "${adb_blacklist}" | \
|
|
"${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${adb_tmpdir}/tmp.raw.${src_name}"
|
|
"${adb_sort}" ${adb_srtopts} -u "${adb_tmpdir}/tmp.raw.${src_name}" 2>/dev/null > "${adb_tmpfile}.${src_name}"
|
|
out_rc="${?}"
|
|
rm -f "${adb_tmpdir}/tmp.raw.${src_name}"
|
|
elif [ "${src_name}" = "whitelist" ] && [ -f "${adb_whitelist}" ]
|
|
then
|
|
rset="/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower(\$1)}"
|
|
"${adb_awk}" "${rset}" "${adb_whitelist}" > "${adb_tmpdir}/tmp.raw.${src_name}"
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ]
|
|
then
|
|
rset="/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{gsub(\"\\\\.\",\"\\\\.\",\$1);print tolower(\"^(|.*\\\\.)\"\$1\"$\")}"
|
|
"${adb_awk}" "${rset}" "${adb_tmpdir}/tmp.raw.${src_name}" > "${adb_tmpdir}/tmp.rem.${src_name}"
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ] && [ "${adb_dnsallow}" != "1" ]
|
|
then
|
|
eval "${adb_dnsallow}" "${adb_tmpdir}/tmp.raw.${src_name}" > "${adb_tmpdir}/tmp.add.${src_name}"
|
|
out_rc="${?}"
|
|
if [ "${out_rc}" = "0" ] && [ "${adb_jail}" = "1" ] && [ "${adb_dnsstop}" != "0" ]
|
|
then
|
|
> "${adb_jaildir}/${adb_dnsjail}"
|
|
if [ -n "${adb_dnsheader}" ]
|
|
then
|
|
printf "${adb_dnsheader}" >> "${adb_jaildir}/${adb_dnsjail}"
|
|
fi
|
|
cat "${adb_tmpdir}/tmp.add.${src_name}" >> "${adb_jaildir}/${adb_dnsjail}"
|
|
printf "%s\n" "${adb_dnsstop}" >> "${adb_jaildir}/${adb_dnsjail}"
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
;;
|
|
"safesearch")
|
|
case "${src_name}" in
|
|
"google")
|
|
rset="/^\\.([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{printf \"%s\n%s\n\",tolower(\"www\"\$1),tolower(substr(\$1,2,length(\$1)))}"
|
|
safe_url="https://www.google.com/supported_domains"
|
|
safe_cname="forcesafesearch.google.com"
|
|
safe_domains="${adb_tmpdir}/tmp.load.safesearch.${src_name}"
|
|
if [ "${adb_backup}" = "1" ] && [ -s "${adb_backupdir}/safesearch.${src_name}.gz" ]
|
|
then
|
|
zcat "${adb_backupdir}/safesearch.${src_name}.gz" > "${safe_domains}"
|
|
out_rc="${?}"
|
|
else
|
|
"${adb_fetchutil}" ${adb_fetchparm} "${safe_domains}" "${safe_url}" 2>/dev/null
|
|
out_rc="${?}"
|
|
if [ "${adb_backup}" = "1" ] && [ "${out_rc}" = "0" ]
|
|
then
|
|
gzip -cf "${safe_domains}" > "${adb_backupdir}/safesearch.${src_name}.gz"
|
|
fi
|
|
fi
|
|
if [ "${out_rc}" = "0" ]
|
|
then
|
|
if [ -x "${adb_lookupcmd}" ]
|
|
then
|
|
safe_ips="$("${adb_lookupcmd}" "${safe_cname}" 2>/dev/null | "${adb_awk}" '/^Address[ 0-9]*: /{ORS=" ";print $NF}')"
|
|
if [ -n "${safe_ips}" ]
|
|
then
|
|
"${adb_awk}" "${rset}" "${safe_domains}" > "${adb_tmpdir}/tmp.raw.safesearch.${src_name}"
|
|
fi
|
|
fi
|
|
out_rc="${?}"
|
|
fi
|
|
;;
|
|
"bing")
|
|
safe_cname="strict.bing.com"
|
|
safe_domains="www.bing.com"
|
|
if [ -x "${adb_lookupcmd}" ]
|
|
then
|
|
safe_ips="$("${adb_lookupcmd}" "${safe_cname}" 2>/dev/null | "${adb_awk}" '/^Address[ 0-9]*: /{ORS=" ";print $NF}')"
|
|
if [ -n "${safe_ips}" ]
|
|
then
|
|
printf "%s\n" ${safe_domains} > "${adb_tmpdir}/tmp.raw.safesearch.${src_name}"
|
|
fi
|
|
fi
|
|
out_rc="${?}"
|
|
;;
|
|
"duckduckgo")
|
|
safe_cname="safe.duckduckgo.com"
|
|
safe_domains="duckduckgo.com"
|
|
if [ -x "${adb_lookupcmd}" ]
|
|
then
|
|
safe_ips="$("${adb_lookupcmd}" "${safe_cname}" 2>/dev/null | "${adb_awk}" '/^Address[ 0-9]*: /{ORS=" ";print $NF}')"
|
|
if [ -n "${safe_ips}" ]
|
|
then
|
|
printf "%s\n" ${safe_domains} > "${adb_tmpdir}/tmp.raw.safesearch.${src_name}"
|
|
fi
|
|
fi
|
|
out_rc="${?}"
|
|
;;
|
|
"pixabay")
|
|
safe_cname="safesearch.pixabay.com"
|
|
safe_domains="pixabay.com"
|
|
if [ -x "${adb_lookupcmd}" ]
|
|
then
|
|
safe_ips="$("${adb_lookupcmd}" "${safe_cname}" 2>/dev/null | "${adb_awk}" '/^Address[ 0-9]*: /{ORS=" ";print $NF}')"
|
|
if [ -n "${safe_ips}" ]
|
|
then
|
|
printf "%s\n" ${safe_domains} > "${adb_tmpdir}/tmp.raw.safesearch.${src_name}"
|
|
fi
|
|
fi
|
|
out_rc="${?}"
|
|
;;
|
|
"yandex")
|
|
safe_cname="familysearch.yandex.ru"
|
|
safe_domains="ya.ru yandex.ru yandex.com yandex.com.tr yandex.ua yandex.by yandex.ee yandex.lt yandex.lv yandex.md yandex.uz yandex.tm yandex.tj yandex.az yandex.kz"
|
|
if [ -x "${adb_lookupcmd}" ]
|
|
then
|
|
safe_ips="$("${adb_lookupcmd}" "${safe_cname}" 2>/dev/null | "${adb_awk}" '/^Address[ 0-9]*: /{ORS=" ";print $NF}')"
|
|
if [ -n "${safe_ips}" ]
|
|
then
|
|
printf "%s\n" ${safe_domains} > "${adb_tmpdir}/tmp.raw.safesearch.${src_name}"
|
|
fi
|
|
fi
|
|
out_rc="${?}"
|
|
;;
|
|
"youtube")
|
|
if [ "${adb_safesearchmod}" = "0" ]
|
|
then
|
|
safe_cname="restrict.youtube.com"
|
|
else
|
|
safe_cname="restrictmoderate.youtube.com"
|
|
fi
|
|
safe_domains="www.youtube.com m.youtube.com youtubei.googleapis.com youtube.googleapis.com www.youtube-nocookie.com"
|
|
if [ -x "${adb_lookupcmd}" ]
|
|
then
|
|
safe_ips="$("${adb_lookupcmd}" "${safe_cname}" 2>/dev/null | "${adb_awk}" '/^Address[ 0-9]*: /{ORS=" ";print $NF}')"
|
|
if [ -n "${safe_ips}" ]
|
|
then
|
|
printf "%s\n" ${safe_domains} > "${adb_tmpdir}/tmp.raw.safesearch.${src_name}"
|
|
fi
|
|
fi
|
|
out_rc="${?}"
|
|
;;
|
|
esac
|
|
if [ "${out_rc}" = "0" ] && [ -s "${adb_tmpdir}/tmp.raw.safesearch.${src_name}" ]
|
|
then
|
|
> "${adb_tmpdir}/tmp.safesearch.${src_name}"
|
|
if [ "${adb_dns}" = "named" ]
|
|
then
|
|
array="${safe_cname}"
|
|
else
|
|
array="${safe_ips}"
|
|
fi
|
|
for item in ${array}
|
|
do
|
|
eval "${adb_dnssafesearch}" "${adb_tmpdir}/tmp.raw.safesearch.${src_name}" >> "${adb_tmpdir}/tmp.safesearch.${src_name}"
|
|
if [ "${?}" != "0" ]
|
|
then
|
|
rm -f "${adb_tmpdir}/tmp.safesearch.${src_name}"
|
|
break
|
|
fi
|
|
done
|
|
out_rc="${?}"
|
|
rm -f "${adb_tmpdir}/tmp.raw.safesearch.${src_name}"
|
|
fi
|
|
;;
|
|
"backup")
|
|
(
|
|
gzip -cf "${src_tmpfile}" > "${adb_backupdir}/${adb_dnsprefix}.${src_name}.gz"
|
|
out_rc="${?}"
|
|
)&
|
|
;;
|
|
"restore")
|
|
if [ -n "${src_name}" ] && [ -s "${adb_backupdir}/${adb_dnsprefix}.${src_name}.gz" ]
|
|
then
|
|
zcat "${adb_backupdir}/${adb_dnsprefix}.${src_name}.gz" > "${src_tmpfile}"
|
|
out_rc="${?}"
|
|
elif [ -z "${src_name}" ]
|
|
then
|
|
for file in "${adb_backupdir}/${adb_dnsprefix}".*.gz
|
|
do
|
|
if [ -r "${file}" ]
|
|
then
|
|
name="${file##*/}"
|
|
name="${name%.*}"
|
|
zcat "${file}" > "${adb_tmpfile}.${name}" &
|
|
hold=$((cnt%adb_maxqueue))
|
|
if [ "${hold}" = "0" ]
|
|
then
|
|
wait
|
|
fi
|
|
cnt=$((cnt+1))
|
|
fi
|
|
done
|
|
wait
|
|
out_rc="${?}"
|
|
else
|
|
out_rc=4
|
|
fi
|
|
if [ "${adb_action}" != "start" ] && [ "${adb_action}" != "resume" ] && [ -n "${src_name}" ] && [ "${out_rc}" != "0" ]
|
|
then
|
|
adb_sources="${adb_sources/${src_name}}"
|
|
fi
|
|
;;
|
|
"remove")
|
|
if [ "${adb_backup}" = "1" ]
|
|
then
|
|
rm "${adb_backupdir}/${adb_dnsprefix}.${src_name}.gz" 2>/dev/null
|
|
fi
|
|
out_rc="${?}"
|
|
adb_sources="${adb_sources/${src_name}}"
|
|
;;
|
|
"merge")
|
|
if [ "${adb_backup}" = "1" ]
|
|
then
|
|
for src_name in ${adb_sources}
|
|
do
|
|
ffiles="${ffiles} -a ! -name ${adb_dnsprefix}.${src_name}.gz"
|
|
done
|
|
if [ "${adb_safesearch}" = "1" ] && [ "${adb_dnssafesearch}" != "0" ]
|
|
then
|
|
ffiles="${ffiles} -a ! -name safesearch.google.gz"
|
|
fi
|
|
find "${adb_backupdir}" ${ffiles} -print0 2>/dev/null | xargs -0 rm 2>/dev/null
|
|
fi
|
|
unset src_name
|
|
"${adb_sort}" ${adb_srtopts} -mu "${adb_tmpfile}".* 2>/dev/null > "${adb_tmpdir}/${adb_dnsfile}"
|
|
out_rc="${?}"
|
|
rm -f "${adb_tmpfile}".*
|
|
;;
|
|
"final")
|
|
unset src_name
|
|
if [ -n "${adb_dnsheader}" ]
|
|
then
|
|
printf "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
else
|
|
> "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
if [ -s "${adb_tmpdir}/tmp.add.iplist" ]
|
|
then
|
|
cat "${adb_tmpdir}/tmp.add.iplist" >> "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
if [ -s "${adb_tmpdir}/tmp.add.whitelist" ]
|
|
then
|
|
cat "${adb_tmpdir}/tmp.add.whitelist" >> "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
for file in "${adb_tmpdir}/tmp.safesearch".*
|
|
do
|
|
if [ -r "${file}" ]
|
|
then
|
|
cat "${file}" >> "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
done
|
|
if [ "${adb_dnsdeny}" != "0" ]
|
|
then
|
|
eval "${adb_dnsdeny}" "${adb_tmpdir}/${adb_dnsfile}" >> "${adb_dnsdir}/${adb_dnsfile}"
|
|
else
|
|
mv "${adb_tmpdir}/${adb_dnsfile}" "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
out_rc="${?}"
|
|
;;
|
|
esac
|
|
f_count "${mode}" "${src_name}"
|
|
out_rc="${out_rc:-"${in_rc}"}"
|
|
f_log "debug" "f_list ::: name: ${src_name:-"-"}, mode: ${mode}, cnt: ${adb_cnt}, in_rc: ${in_rc}, out_rc: ${out_rc}"
|
|
return "${out_rc}"
|
|
}
|
|
|
|
# top level domain compression
|
|
#
|
|
f_tld()
|
|
{
|
|
local cnt cnt_tld source="${1}" temp_tld="${1}.tld"
|
|
|
|
"${adb_awk}" '{if(NR==1){tld=$NF};while(getline){if(index($NF,tld".")==0){print tld;tld=$NF}}print tld}' "${source}" | \
|
|
"${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${temp_tld}"
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
mv -f "${temp_tld}" "${source}"
|
|
cnt_tld="$(wc -l 2>/dev/null < "${source}")"
|
|
else
|
|
rm -f "${temp_tld}"
|
|
fi
|
|
f_log "debug" "f_tld ::: source: ${source}, cnt: ${adb_cnt:-"-"}, cnt_tld: ${cnt_tld:-"-"}"
|
|
}
|
|
|
|
# suspend/resume adblock processing
|
|
#
|
|
f_switch()
|
|
{
|
|
local status entry done="false" mode="${1}"
|
|
|
|
json_init
|
|
json_load_file "${adb_rtfile}" >/dev/null 2>&1
|
|
json_select "data" >/dev/null 2>&1
|
|
json_get_var status "adblock_status"
|
|
if [ "${mode}" = "suspend" ] && [ "${status}" = "enabled" ]
|
|
then
|
|
f_env
|
|
printf "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
if [ "${adb_jail}" = "1" ] && [ "${adb_jaildir}" = "${adb_dnsdir}" ]
|
|
then
|
|
printf "${adb_dnsheader}" > "${adb_jaildir}/${adb_dnsjail}"
|
|
elif [ -f "${adb_dnsdir}/${adb_dnsjail}" ]
|
|
then
|
|
rm -f "${adb_dnsdir}/${adb_dnsjail}"
|
|
fi
|
|
f_count
|
|
done="true"
|
|
elif [ "${mode}" = "resume" ] && [ "${status}" = "paused" ]
|
|
then
|
|
f_env
|
|
f_main
|
|
done="true"
|
|
fi
|
|
if [ "${done}" = "true" ]
|
|
then
|
|
if [ "${mode}" = "suspend" ]
|
|
then
|
|
f_dnsup
|
|
fi
|
|
f_jsnup "${mode}"
|
|
f_log "info" "${mode} adblock processing"
|
|
fi
|
|
f_rmtemp
|
|
}
|
|
|
|
# query blocklist for certain (sub-)domains
|
|
#
|
|
f_query()
|
|
{
|
|
local search result prefix suffix field query_start query_end query_timeout=30 domain="${1}" tld="${1#*.}"
|
|
|
|
if [ -z "${domain}" ] || [ "${domain}" = "${tld}" ]
|
|
then
|
|
printf "%s\n" "::: invalid input, please submit a single (sub-)domain :::"
|
|
else
|
|
case "${adb_dns}" in
|
|
"dnsmasq")
|
|
prefix=".*[\\/\\.]"
|
|
suffix="(\\/)"
|
|
field=2
|
|
;;
|
|
"unbound")
|
|
prefix=".*[\"\\.]"
|
|
suffix="(static)"
|
|
field=3
|
|
;;
|
|
"named")
|
|
prefix="[^\\*].*[\\.]"
|
|
suffix="( \\.)"
|
|
field=1
|
|
;;
|
|
"kresd")
|
|
prefix="[^\\*].*[\\.]"
|
|
suffix="( \\.)"
|
|
field=1
|
|
;;
|
|
"raw")
|
|
prefix=".*[\\.]"
|
|
suffix=""
|
|
field=1
|
|
;;
|
|
esac
|
|
query_start="$(date "+%s")"
|
|
while [ "${domain}" != "${tld}" ]
|
|
do
|
|
search="${domain//[+*~%\$&\"\']/}"
|
|
search="${search//./\\.}"
|
|
result="$("${adb_awk}" -F '/|\"|\t| ' "/^(${search}|${prefix}+${search}.*${suffix})$/{i++;if(i<=9){printf \" + %s\n\",\$${field}}else if(i==10){printf \" + %s\n\",\"[...]\";exit}}" "${adb_dnsdir}/${adb_dnsfile}")"
|
|
printf "%s\n%s\n%s\n" ":::" "::: domain '${domain}' in active blocklist" ":::"
|
|
printf "%s\n\n" "${result:-" - no match"}"
|
|
domain="${tld}"
|
|
tld="${domain#*.}"
|
|
done
|
|
if [ "${adb_backup}" = "1" ] && [ -d "${adb_backupdir}" ]
|
|
then
|
|
search="${1//[+*~%\$&\"\']/}"
|
|
search="${search//./\\.}"
|
|
printf "%s\n%s\n%s\n" ":::" "::: domain '${1}' in backups and black-/whitelist" ":::"
|
|
for file in "${adb_backupdir}/${adb_dnsprefix}".*.gz "${adb_blacklist}" "${adb_whitelist}"
|
|
do
|
|
suffix="${file##*.}"
|
|
if [ "${suffix}" = "gz" ]
|
|
then
|
|
zcat "${file}" 2>/dev/null | \
|
|
"${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' | "${adb_awk}" -v f="${file##*/}" "BEGIN{rc=1};/^($search|.*\\.${search})$/{i++;if(i<=3){printf \" + %-30s%s\n\",f,\$1;rc=0}else if(i==4){printf \" + %-30s%s\n\",f,\"[...]\"}};END{exit rc}"
|
|
else
|
|
"${adb_awk}" -v f="${file##*/}" "BEGIN{rc=1};/^($search|.*\\.${search})$/{i++;if(i<=3){printf \" + %-30s%s\n\",f,\$1;rc=0}else if(i==4){printf \" + %-30s%s\n\",f,\"[...]\"}};END{exit rc}" "${file}"
|
|
fi
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
result="true"
|
|
query_end="$(date "+%s")"
|
|
if [ "$((query_end-query_start))" -gt "${query_timeout}" ]
|
|
then
|
|
printf "%s\n\n" " - [...]"
|
|
break
|
|
fi
|
|
fi
|
|
done
|
|
if [ "${result}" != "true" ]
|
|
then
|
|
printf "%s\n\n" " - no match"
|
|
fi
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# update runtime information
|
|
#
|
|
f_jsnup()
|
|
{
|
|
local entry sources runtime utils memory bg_pid status="${1:-"enabled"}"
|
|
|
|
case "${status}" in
|
|
"enabled"|"error")
|
|
adb_endtime="$(date "+%s")"
|
|
memory="$("${adb_awk}" '/^MemTotal|^MemFree|^MemAvailable/{ORS="/"; print int($2/1000)}' "/proc/meminfo" 2>/dev/null | "${adb_awk}" '{print substr($0,1,length($0)-1)}')"
|
|
if [ "$(( (adb_endtime-adb_starttime)/60 ))" -lt 60 ]
|
|
then
|
|
runtime="${adb_action}, $(( (adb_endtime-adb_starttime)/60 ))m $(( (adb_endtime-adb_starttime)%60 ))s, ${memory:-0}, $(date "+%d.%m.%Y %H:%M:%S")"
|
|
else
|
|
runtime="${adb_action}, n/a, ${memory:-0}, $(date "+%d.%m.%Y %H:%M:%S")"
|
|
fi
|
|
if [ "${status}" = "error" ]
|
|
then
|
|
adb_cnt=0
|
|
fi
|
|
;;
|
|
"suspend")
|
|
status="paused"
|
|
;;
|
|
"resume")
|
|
status=""
|
|
;;
|
|
esac
|
|
json_init
|
|
json_load_file "${adb_rtfile}" >/dev/null 2>&1
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
utils="download: $(readlink -fn "${adb_fetchutil}"), sort: $(readlink -fn "${adb_sort}"), awk: $(readlink -fn "${adb_awk}")"
|
|
if [ -z "${adb_cnt}" ]
|
|
then
|
|
json_get_var adb_cnt "blocked_domains"
|
|
adb_cnt="${adb_cnt%% *}"
|
|
fi
|
|
if [ -z "${runtime}" ]
|
|
then
|
|
json_get_var runtime "last_run"
|
|
fi
|
|
fi
|
|
if [ "${adb_jail}" = "1" ] && [ "${adb_jaildir}" = "${adb_dnsdir}" ]
|
|
then
|
|
adb_cnt="0"
|
|
sources="restrictive_jail"
|
|
else
|
|
sources="$(printf "%s\n" ${adb_sources} | "${adb_sort}" | "${adb_awk}" '{ORS=" ";print $0}')"
|
|
fi
|
|
|
|
> "${adb_rtfile}"
|
|
json_init
|
|
json_load_file "${adb_rtfile}" >/dev/null 2>&1
|
|
json_init
|
|
json_add_string "adblock_status" "${status:-"enabled"}"
|
|
json_add_string "adblock_version" "${adb_ver}"
|
|
json_add_string "blocked_domains" "${adb_cnt:-0}"
|
|
json_add_array "active_sources"
|
|
for entry in ${sources}
|
|
do
|
|
json_add_object
|
|
json_add_string "source" "${entry}"
|
|
json_close_object
|
|
done
|
|
json_close_array
|
|
json_add_string "dns_backend" "${adb_dns:-"-"} (${adb_dnscachecmd##*/}), ${adb_dnsdir:-"-"}"
|
|
json_add_string "run_utils" "${utils:-"-"}"
|
|
json_add_string "run_ifaces" "trigger: ${adb_trigger:-"-"}, report: ${adb_repiface:-"-"}"
|
|
json_add_string "run_directories" "base: ${adb_tmpbase}, backup: ${adb_backupdir}, report: ${adb_reportdir}, jail: ${adb_jaildir}"
|
|
json_add_string "run_flags" "backup: $(f_char ${adb_backup}), flush: $(f_char ${adb_dnsflush}), force: $(f_char ${adb_forcedns}), search: $(f_char ${adb_safesearch}), report: $(f_char ${adb_report}), mail: $(f_char ${adb_mail}), jail: $(f_char ${adb_jail})"
|
|
json_add_string "last_run" "${runtime:-"-"}"
|
|
json_add_string "system" "${adb_sysver}"
|
|
json_dump > "${adb_rtfile}"
|
|
|
|
if [ "${adb_mail}" = "1" ] && [ -x "${adb_mailservice}" ] && \
|
|
{ [ "${status}" = "error" ] || { [ "${status}" = "enabled" ] && [ "${adb_cnt}" -le "${adb_mailcnt}" ]; } }
|
|
then
|
|
( "${adb_mailservice}" "${adb_ver}" >/dev/null 2>&1 )&
|
|
bg_pid="${!}"
|
|
fi
|
|
f_log "debug" "f_jsnup ::: status: ${status:-"-"}, cnt: ${adb_cnt}, mail: ${adb_mail}, mail_service: ${adb_mailservice}, mail_cnt: ${adb_mailcnt}, mail_pid: ${bg_pid:-"-"}"
|
|
}
|
|
|
|
# write to syslog
|
|
#
|
|
f_log()
|
|
{
|
|
local class="${1}" log_msg="${2}"
|
|
|
|
if [ -n "${log_msg}" ] && { [ "${class}" != "debug" ] || [ "${adb_debug}" = "1" ]; }
|
|
then
|
|
if [ -x "${adb_loggercmd}" ]
|
|
then
|
|
"${adb_loggercmd}" -p "${class}" -t "adblock-${adb_ver}[${$}]" "${log_msg}"
|
|
else
|
|
printf "%s %s %s\n" "${class}" "adblock-${adb_ver}[${$}]" "${log_msg}"
|
|
fi
|
|
if [ "${class}" = "err" ]
|
|
then
|
|
f_rmdns
|
|
f_jsnup "error"
|
|
exit 1
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# main function for blocklist processing
|
|
#
|
|
f_main()
|
|
{
|
|
local src_tmpload src_tmpfile src_name src_rset src_url src_log src_arc src_cat src_item src_list src_entries src_suffix src_rc entry memory cnt=1
|
|
|
|
memory="$("${adb_awk}" '/^MemTotal|^MemFree|^MemAvailable/{ORS="/"; print int($2/1000)}' "/proc/meminfo" 2>/dev/null | "${adb_awk}" '{print substr($0,1,length($0)-1)}')"
|
|
f_log "debug" "f_main ::: memory: ${memory:-0}, max_queue: ${adb_maxqueue}, safe_search: ${adb_safesearch}, force_dns: ${adb_forcedns}, awk: ${adb_awk}"
|
|
|
|
# white- and blacklist preparation
|
|
#
|
|
for entry in ${adb_locallist}
|
|
do
|
|
( f_list "${entry}" "${entry}" )&
|
|
done
|
|
|
|
if [ "${adb_dns}" != "raw" ] && [ "${adb_jail}" = "1" ] && [ "${adb_jaildir}" = "${adb_dnsdir}" ]
|
|
then
|
|
printf "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
chown "${adb_dnsuser}" "${adb_jaildir}/${adb_dnsjail}" 2>/dev/null
|
|
f_dnsup
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
if [ "${adb_action}" != "resume" ]
|
|
then
|
|
f_jsnup "enabled"
|
|
fi
|
|
f_log "info" "restrictive jail mode enabled successfully (${adb_sysver})"
|
|
else
|
|
f_log "err" "dns backend restart in jail mode failed"
|
|
fi
|
|
f_rmtemp
|
|
return
|
|
elif [ -f "${adb_dnsdir}/${adb_dnsjail}" ]
|
|
then
|
|
rm -f "${adb_dnsdir}/${adb_dnsjail}"
|
|
f_dnsup
|
|
fi
|
|
|
|
# safe search preparation
|
|
#
|
|
if [ "${adb_safesearch}" = "1" ] && [ "${adb_dnssafesearch}" != "0" ]
|
|
then
|
|
if [ -z "${adb_safesearchlist}" ]
|
|
then
|
|
adb_safesearchlist="google bing duckduckgo pixabay yandex youtube"
|
|
fi
|
|
for entry in ${adb_safesearchlist}
|
|
do
|
|
( f_list safesearch "${entry}" )&
|
|
done
|
|
fi
|
|
wait
|
|
|
|
# main loop
|
|
#
|
|
for src_name in ${adb_sources}
|
|
do
|
|
json_select "${src_name}" >/dev/null 2>&1
|
|
if [ "${?}" != "0" ]
|
|
then
|
|
adb_sources="${adb_sources/${src_name}}"
|
|
continue
|
|
fi
|
|
json_get_var src_url "url" >/dev/null 2>&1
|
|
json_get_var src_rset "rule" >/dev/null 2>&1
|
|
json_select ..
|
|
src_tmpcat="${adb_tmpload}.${src_name}.cat"
|
|
src_tmpload="${adb_tmpload}.${src_name}.load"
|
|
src_tmpsort="${adb_tmpload}.${src_name}.sort"
|
|
src_tmpfile="${adb_tmpfile}.${src_name}"
|
|
src_rc=4
|
|
|
|
# basic pre-checks
|
|
#
|
|
if [ -z "${src_url}" ] || [ -z "${src_rset}" ]
|
|
then
|
|
f_list remove
|
|
continue
|
|
fi
|
|
|
|
# backup mode
|
|
#
|
|
if [ "${adb_backup}" = "1" ] && { [ "${adb_action}" = "start" ] || [ "${adb_action}" = "resume" ]; }
|
|
then
|
|
f_list restore
|
|
if [ "${?}" = "0" ] && [ -s "${src_tmpfile}" ]
|
|
then
|
|
continue
|
|
fi
|
|
fi
|
|
|
|
# download queue processing
|
|
#
|
|
unset src_cat src_entries
|
|
if [ "${src_name}" = "shallalist" ] || [ "${src_name}" = "utcapitole" ]
|
|
then
|
|
if [ "${src_name}" = "shallalist" ] && [ -n "${adb_sha_sources}" ]
|
|
then
|
|
src_cat="${adb_sha_sources}"
|
|
elif [ "${src_name}" = "utcapitole" ] && [ -n "${adb_utc_sources}" ]
|
|
then
|
|
src_cat="${adb_utc_sources}"
|
|
fi
|
|
if [ -n "${src_cat}" ]
|
|
then
|
|
(
|
|
src_arc="${adb_tmpdir}/${src_url##*/}"
|
|
src_log="$("${adb_fetchutil}" ${adb_fetchparm} "${src_arc}" "${src_url}" 2>&1)"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ] && [ -s "${src_arc}" ]
|
|
then
|
|
src_suffix="$(eval printf "%s" \"\$\{adb_src_suffix_${src_name}:-\"domains\"\}\")"
|
|
src_list="$(tar -tzf "${src_arc}" 2>/dev/null)"
|
|
for src_item in ${src_cat}
|
|
do
|
|
src_entries="${src_entries} $(printf "%s" "${src_list}" | grep -E "${src_item}/${src_suffix}$")"
|
|
done
|
|
if [ -n "${src_entries}" ]
|
|
then
|
|
tar -xOzf "${src_arc}" ${src_entries} 2>/dev/null > "${src_tmpload}"
|
|
src_rc="${?}"
|
|
fi
|
|
> "${src_arc}"
|
|
else
|
|
src_log="$(printf "%s" "${src_log}" | "${adb_awk}" '{ORS=" ";print $0}')"
|
|
f_log "info" "download of '${src_name}' failed, url: ${src_url}, rule: ${src_rset:-"-"}, categories: ${src_cat:-"-"}, rc: ${src_rc}, log: ${src_log:-"-"}"
|
|
fi
|
|
if [ "${src_rc}" = "0" ] && [ -s "${src_tmpload}" ]
|
|
then
|
|
if [ -s "${adb_tmpdir}/tmp.rem.whitelist" ]
|
|
then
|
|
"${adb_awk}" "${src_rset}" "${src_tmpload}" | sed "s/\r//g" | \
|
|
grep -Evf "${adb_tmpdir}/tmp.rem.whitelist" | "${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${src_tmpsort}"
|
|
else
|
|
"${adb_awk}" "${src_rset}" "${src_tmpload}" | sed "s/\r//g" | \
|
|
"${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${src_tmpsort}"
|
|
fi
|
|
> "${src_tmpload}"
|
|
"${adb_sort}" ${adb_srtopts} -u "${src_tmpsort}" 2>/dev/null > "${src_tmpfile}"
|
|
src_rc="${?}"
|
|
> "${src_tmpsort}"
|
|
if [ "${src_rc}" = "0" ] && [ -s "${src_tmpfile}" ]
|
|
then
|
|
f_list download
|
|
if [ "${adb_backup}" = "1" ]
|
|
then
|
|
f_list backup
|
|
fi
|
|
elif [ "${adb_backup}" = "1" ] && [ "${adb_action}" != "start" ]
|
|
then
|
|
f_log "info" "archive preparation of '${src_name}' failed, categories: ${src_cat:-"-"}, entries: ${src_entries}, rc: ${src_rc}"
|
|
f_list restore
|
|
rm -f "${src_tmpfile}"
|
|
fi
|
|
elif [ "${adb_backup}" = "1" ] && [ "${adb_action}" != "start" ]
|
|
then
|
|
f_log "info" "archive extraction of '${src_name}' failed, categories: ${src_cat:-"-"}, entries: ${src_entries}, rc: ${src_rc}"
|
|
f_list restore
|
|
fi
|
|
)&
|
|
fi
|
|
else
|
|
if [ "${src_name}" = "energized" ] && [ -n "${adb_eng_sources}" ]
|
|
then
|
|
src_cat="${adb_eng_sources}"
|
|
elif [ "${src_name}" = "stevenblack" ] && [ -n "${adb_stb_sources}" ]
|
|
then
|
|
src_cat="${adb_stb_sources}"
|
|
elif { [ "${src_name}" = "energized" ] && [ -z "${adb_eng_sources}" ]; } || \
|
|
{ [ "${src_name}" = "stevenblack" ] && [ -z "${adb_stb_sources}" ]; }
|
|
then
|
|
continue
|
|
fi
|
|
(
|
|
for suffix in ${src_cat:-${src_url}}
|
|
do
|
|
if [ "${src_url}" != "${suffix}" ]
|
|
then
|
|
src_log="$("${adb_fetchutil}" ${adb_fetchparm} "${src_tmpcat}" "${src_url}${suffix}" 2>&1)"
|
|
src_rc="${?}"
|
|
if [ "${src_rc}" = "0" ] && [ -s "${src_tmpcat}" ]
|
|
then
|
|
cat "${src_tmpcat}" >> "${src_tmpload}"
|
|
> "${src_tmpcat}"
|
|
fi
|
|
else
|
|
src_log="$("${adb_fetchutil}" ${adb_fetchparm} "${src_tmpload}" "${src_url}" 2>&1)"
|
|
src_rc="${?}"
|
|
fi
|
|
done
|
|
if [ "${src_rc}" = "0" ] && [ -s "${src_tmpload}" ]
|
|
then
|
|
if [ -s "${adb_tmpdir}/tmp.rem.whitelist" ]
|
|
then
|
|
"${adb_awk}" "${src_rset}" "${src_tmpload}" | sed "s/\r//g" | \
|
|
grep -Evf "${adb_tmpdir}/tmp.rem.whitelist" | "${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${src_tmpsort}"
|
|
else
|
|
"${adb_awk}" "${src_rset}" "${src_tmpload}" | sed "s/\r//g" | \
|
|
"${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${src_tmpsort}"
|
|
fi
|
|
> "${src_tmpload}"
|
|
"${adb_sort}" ${adb_srtopts} -u "${src_tmpsort}" 2>/dev/null > "${src_tmpfile}"
|
|
src_rc="${?}"
|
|
> "${src_tmpsort}"
|
|
if [ "${src_rc}" = "0" ] && [ -s "${src_tmpfile}" ]
|
|
then
|
|
f_list download
|
|
if [ "${adb_backup}" = "1" ]
|
|
then
|
|
f_list backup
|
|
fi
|
|
elif [ "${adb_backup}" = "1" ] && [ "${adb_action}" != "start" ]
|
|
then
|
|
f_log "info" "preparation of '${src_name}' failed, rc: ${src_rc}"
|
|
f_list restore
|
|
rm -f "${src_tmpfile}"
|
|
fi
|
|
else
|
|
src_log="$(printf "%s" "${src_log}" | "${adb_awk}" '{ORS=" ";print $0}')"
|
|
f_log "info" "download of '${src_name}' failed, url: ${src_url}, rule: ${src_rset:-"-"}, categories: ${src_cat:-"-"}, rc: ${src_rc}, log: ${src_log:-"-"}"
|
|
if [ "${adb_backup}" = "1" ] && [ "${adb_action}" != "start" ]
|
|
then
|
|
f_list restore
|
|
fi
|
|
fi
|
|
)&
|
|
fi
|
|
hold=$((cnt%adb_maxqueue))
|
|
if [ "${hold}" = "0" ]
|
|
then
|
|
wait
|
|
fi
|
|
cnt=$((cnt+1))
|
|
done
|
|
wait
|
|
f_list merge
|
|
|
|
# tld compression and dns restart
|
|
#
|
|
if [ "${?}" = "0" ] && [ -s "${adb_tmpdir}/${adb_dnsfile}" ]
|
|
then
|
|
f_tld "${adb_tmpdir}/${adb_dnsfile}"
|
|
f_list final
|
|
else
|
|
printf "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
chown "${adb_dnsuser}" "${adb_dnsdir}/${adb_dnsfile}" 2>/dev/null
|
|
f_dnsup
|
|
if [ "${?}" = "0" ]
|
|
then
|
|
if [ "${adb_action}" != "resume" ]
|
|
then
|
|
f_jsnup "enabled"
|
|
fi
|
|
f_log "info" "blocklist with overall ${adb_cnt} blocked domains loaded successfully (${adb_sysver})"
|
|
else
|
|
f_log "err" "dns backend restart with adblock blocklist failed"
|
|
fi
|
|
f_rmtemp
|
|
}
|
|
|
|
# trace dns queries via tcpdump and prepare a report
|
|
#
|
|
f_report()
|
|
{
|
|
local report_raw report_json report_txt content status total start end blocked percent top_list top array item index hold ports value key key_list cnt=0 resolve="-nn" action="${1}" count="${2:-"50"}" search="${3:-"+"}"
|
|
|
|
report_raw="${adb_reportdir}/adb_report.raw"
|
|
report_srt="${adb_reportdir}/adb_report.srt"
|
|
report_jsn="${adb_reportdir}/adb_report.json"
|
|
report_txt="${adb_reportdir}/adb_mailreport.txt"
|
|
|
|
# build json file
|
|
#
|
|
if [ "${action}" != "json" ]
|
|
then
|
|
> "${report_raw}"
|
|
> "${report_srt}"
|
|
> "${report_txt}"
|
|
> "${report_jsn}"
|
|
if [ "${adb_represolve}" = "1" ]
|
|
then
|
|
resolve=""
|
|
fi
|
|
for file in "${adb_reportdir}/adb_report.pcap"*
|
|
do
|
|
(
|
|
"${adb_dumpcmd}" "${resolve}" -tttt -r "${file}" 2>/dev/null | \
|
|
"${adb_awk}" -v cnt="${cnt}" '!/\.lan\. |PTR\? | SOA\? /&&/ A[\? ]+|NXDomain|0\.0\.0\.0/{a=$1;b=substr($2,0,8);c=$4;sub(/\.[0-9]+$/,"",c);gsub(/[^[:alnum:]\.:-]/,"",c);d=cnt $7;sub(/\*$/,"",d);
|
|
e=$(NF-1);sub(/[0-9]\/[0-9]\/[0-9]|0\.0\.0\.0/,"NX",e);sub(/\.$/,"",e);sub(/([0-9]{1,3}\.){3}[0-9]{1,3}/,"OK",e);gsub(/[^[:alnum:]\.-]/,"",e);if(e==""){e="err"};printf "%s\t%s\t%s\t%s\t%s\n",d,e,a,b,c}' >> "${report_raw}"
|
|
)&
|
|
hold=$((cnt%adb_maxqueue))
|
|
if [ "${hold}" = "0" ]
|
|
then
|
|
wait
|
|
fi
|
|
cnt=$((cnt+1))
|
|
done
|
|
wait
|
|
if [ -s "${report_raw}" ]
|
|
then
|
|
"${adb_sort}" ${adb_srtopts} -k1 -k3 -k4 -k5 -k1 -ur "${report_raw}" | \
|
|
"${adb_awk}" '{currA=($1+0);currB=$1;currC=substr($1,length($1),1);if(reqA==currB){reqA=0;printf "%s\t%s\n",d,$2}else if(currC=="+"){reqA=currA;d=$3"\t"$4"\t"$5"\t"$2}}' | \
|
|
"${adb_sort}" ${adb_srtopts} -k1 -k2 -k3 -k4 -ur > "${report_srt}"
|
|
rm -f "${report_raw}"
|
|
fi
|
|
|
|
if [ -s "${report_srt}" ]
|
|
then
|
|
start="$("${adb_awk}" 'END{printf "%s_%s",$1,$2}' "${report_srt}")"
|
|
end="$("${adb_awk}" 'NR==1{printf "%s_%s",$1,$2}' "${report_srt}")"
|
|
total="$(wc -l < "${report_srt}")"
|
|
blocked="$("${adb_awk}" '{if($5=="NX")cnt++}END{printf "%s",cnt}' "${report_srt}")"
|
|
percent="$("${adb_awk}" -v t="${total}" -v b="${blocked}" 'BEGIN{printf "%.2f%s",b/t*100,"%"}')"
|
|
> "${report_jsn}"
|
|
printf "%s\n" "{ " >> "${report_jsn}"
|
|
printf "\t%s\n" "\"start_date\": \"${start%_*}\", " >> "${report_jsn}"
|
|
printf "\t%s\n" "\"start_time\": \"${start#*_}\", " >> "${report_jsn}"
|
|
printf "\t%s\n" "\"end_date\": \"${end%_*}\", " >> "${report_jsn}"
|
|
printf "\t%s\n" "\"end_time\": \"${end#*_}\", " >> "${report_jsn}"
|
|
printf "\t%s\n" "\"total\": \"${total}\", " >> "${report_jsn}"
|
|
printf "\t%s\n" "\"blocked\": \"${blocked}\", " >> "${report_jsn}"
|
|
printf "\t%s\n" "\"percent\": \"${percent}\", " >> "${report_jsn}"
|
|
top_list="top_clients top_domains top_blocked"
|
|
for top in ${top_list}
|
|
do
|
|
printf "\t%s" "\"${top}\": [ " >> "${report_jsn}"
|
|
case "${top}" in
|
|
"top_clients")
|
|
"${adb_awk}" '{print $3}' "${report_srt}" | "${adb_sort}" ${adb_srtopts} | uniq -c | \
|
|
"${adb_sort}" ${adb_srtopts} -nr | \
|
|
"${adb_awk}" '{ORS=" ";if(NR==1)printf "\n\t\t{\n\t\t\t\"count\": \"%s\",\n\t\t\t\"address\": \"%s\"\n\t\t}",$1,$2; else if(NR<10)printf ",\n\t\t{\n\t\t\t\"count\": \"%s\",\n\t\t\t\"address\": \"%s\"\n\t\t}",$1,$2}' >> "${report_jsn}"
|
|
;;
|
|
"top_domains")
|
|
"${adb_awk}" '{if($5!="NX")print $4}' "${report_srt}" | "${adb_sort}" ${adb_srtopts} | uniq -c | \
|
|
"${adb_sort}" ${adb_srtopts} -nr | \
|
|
"${adb_awk}" '{ORS=" ";if(NR==1)printf "\n\t\t{\n\t\t\t\"count\": \"%s\",\n\t\t\t\"address\": \"%s\"\n\t\t}",$1,$2; else if(NR<10)printf ",\n\t\t{\n\t\t\t\"count\": \"%s\",\n\t\t\t\"address\": \"%s\"\n\t\t}",$1,$2}' >> "${report_jsn}"
|
|
;;
|
|
"top_blocked")
|
|
"${adb_awk}" '{if($5=="NX")print $4}' "${report_srt}" | \
|
|
"${adb_sort}" ${adb_srtopts} | uniq -c | "${adb_sort}" ${adb_srtopts} -nr | \
|
|
"${adb_awk}" '{ORS=" ";if(NR==1)printf "\n\t\t{\n\t\t\t\"count\": \"%s\",\n\t\t\t\"address\": \"%s\"\n\t\t}",$1,$2; else if(NR<10)printf ",\n\t\t{\n\t\t\t\"count\": \"%s\",\n\t\t\t\"address\": \"%s\"\n\t\t}",$1,$2}' >> "${report_jsn}"
|
|
;;
|
|
esac
|
|
printf "\n\t%s\n" "]," >> "${report_jsn}"
|
|
done
|
|
search="${search//./\\.}"
|
|
search="${search//[+*~%\$&\"\' ]/}"
|
|
"${adb_awk}" "BEGIN{i=0;printf \"\t\\\"requests\\\": [\n\"}/(${search})/{i++;if(i==1)printf \"\n\t\t{\n\t\t\t\\\"date\\\": \\\"%s\\\",\n\t\t\t\\\"time\\\": \\\"%s\\\",\n\t\t\t\\\"client\\\": \\\"%s\\\",\n\t\t\t\\\"domain\\\": \\\"%s\\\",\n\t\t\t\\\"rc\\\": \\\"%s\\\"\n\t\t}\",\$1,\$2,\$3,\$4,\$5;else if(i<=${count})printf \",\n\t\t{\n\t\t\t\\\"date\\\": \\\"%s\\\",\n\t\t\t\\\"time\\\": \\\"%s\\\",\n\t\t\t\\\"client\\\": \\\"%s\\\",\n\t\t\t\\\"domain\\\": \\\"%s\\\",\n\t\t\t\\\"rc\\\": \\\"%s\\\"\n\t\t}\",\$1,\$2,\$3,\$4,\$5}END{printf \"\n\t]\n}\n\"}" "${adb_reportdir}/adb_report.srt" >> "${report_jsn}"
|
|
rm -f "${report_srt}"
|
|
fi
|
|
fi
|
|
|
|
# output preparation
|
|
#
|
|
if [ -s "${report_jsn}" ] && { [ "${action}" = "cli" ] || [ "${action}" = "mail" ]; }
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: Adblock DNS-Query Report" ":::" >> "${report_txt}"
|
|
json_init
|
|
json_load_file "${report_jsn}"
|
|
json_get_keys key_list
|
|
for key in ${key_list}
|
|
do
|
|
json_get_var value "${key}"
|
|
eval "${key}=\"${value}\""
|
|
done
|
|
printf " + %s\n + %s\n" "Start ::: ${start_date}, ${start_time}" "End ::: ${end_date}, ${end_time}" >> "${report_txt}"
|
|
printf " + %s\n + %s %s\n" "Total ::: ${total}" "Blocked ::: ${blocked}" "(${percent})" >> "${report_txt}"
|
|
top_list="top_clients top_domains top_blocked requests"
|
|
for top in ${top_list}
|
|
do
|
|
case "${top}" in
|
|
"top_clients")
|
|
item="::: Top 10 Clients"
|
|
;;
|
|
"top_domains")
|
|
item="::: Top 10 Domains"
|
|
;;
|
|
"top_blocked")
|
|
item="::: Top 10 Blocked Domains"
|
|
;;
|
|
esac
|
|
if json_get_type status "${top}" && [ "${top}" != "requests" ] && [ "${status}" = "array" ]
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "${item}" ":::" >> "${report_txt}"
|
|
json_select "${top}"
|
|
index=1
|
|
item=""
|
|
while json_get_type status "${index}" && [ "${status}" = "object" ]
|
|
do
|
|
json_get_values item "${index}"
|
|
printf " + %-9s::: %s\n" ${item} >> "${report_txt}"
|
|
index=$((index+1))
|
|
done
|
|
elif json_get_type status "${top}" && [ "${top}" = "requests" ] && [ "${status}" = "array" ]
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: Latest DNS Queries" ":::" >> "${report_txt}"
|
|
printf "%-15s%-15s%-45s%-80s%s\n" "Date" "Time" "Client" "Domain" "Answer" >> "${report_txt}"
|
|
json_select "${top}"
|
|
index=1
|
|
while json_get_type status "${index}" && [ "${status}" = "object" ]
|
|
do
|
|
json_get_values item "${index}"
|
|
printf "%-15s%-15s%-45s%-80s%s\n" ${item} >> "${report_txt}"
|
|
index=$((index+1))
|
|
done
|
|
fi
|
|
json_select ".."
|
|
done
|
|
content="$(cat "${report_txt}" 2>/dev/null)"
|
|
rm -f "${report_txt}"
|
|
fi
|
|
|
|
# report output
|
|
#
|
|
if [ "${action}" = "cli" ]
|
|
then
|
|
printf "%s\n" "${content}"
|
|
elif [ "${action}" = "json" ]
|
|
then
|
|
cat "${report_jsn}"
|
|
elif [ "${action}" = "mail" ] && [ "${adb_mail}" = "1" ] && [ -x "${adb_mailservice}" ]
|
|
then
|
|
( "${adb_mailservice}" "${adb_ver}" "${content}" >/dev/null 2>&1 )&
|
|
bg_pid="${!}"
|
|
fi
|
|
f_log "debug" "f_report ::: action: ${action}, count: ${count}, search: ${search}, dump_util: ${adb_dumpcmd}, rep_dir: ${adb_reportdir}, rep_iface: ${adb_repiface:-"-"}, rep_listen: ${adb_replisten}, rep_chunksize: ${adb_repchunksize}, rep_chunkcnt: ${adb_repchunkcnt}, rep_resolve: ${adb_represolve}"
|
|
}
|
|
|
|
# source required system libraries
|
|
#
|
|
if [ -r "/lib/functions.sh" ] && [ -r "/lib/functions/network.sh" ] && [ -r "/usr/share/libubox/jshn.sh" ]
|
|
then
|
|
. "/lib/functions.sh"
|
|
. "/lib/functions/network.sh"
|
|
. "/usr/share/libubox/jshn.sh"
|
|
else
|
|
f_log "err" "system libraries not found"
|
|
fi
|
|
|
|
# version information
|
|
#
|
|
if [ "${adb_action}" = "version" ]
|
|
then
|
|
printf "%s\n" "${adb_ver}"
|
|
exit 0
|
|
fi
|
|
|
|
# awk check
|
|
#
|
|
adb_awk="$(command -v gawk)"
|
|
if [ ! -x "${adb_awk}" ]
|
|
then
|
|
adb_awk="$(command -v awk)"
|
|
if [ ! -x "${adb_awk}" ]
|
|
then
|
|
f_log "err" "awk not found or not executable"
|
|
fi
|
|
fi
|
|
|
|
# sort check
|
|
#
|
|
adb_sort="$(command -v sort)"
|
|
if [ ! -x "${adb_sort}" ] || [ "$("${adb_sort}" --version 2>/dev/null | grep -c "coreutils")" = "0" ]
|
|
then
|
|
f_log "err" "coreutils sort not found or not executable"
|
|
fi
|
|
|
|
# handle different adblock actions
|
|
#
|
|
f_load
|
|
case "${adb_action}" in
|
|
"stop")
|
|
f_rmdns
|
|
;;
|
|
"restart")
|
|
f_rmdns
|
|
f_env
|
|
f_main
|
|
;;
|
|
"suspend")
|
|
if [ "${adb_dns}" != "raw" ]
|
|
then
|
|
f_switch suspend
|
|
fi
|
|
;;
|
|
"resume")
|
|
if [ "${adb_dns}" != "raw" ]
|
|
then
|
|
f_switch resume
|
|
fi
|
|
;;
|
|
"report")
|
|
f_report "${2}" "${3}" "${4}"
|
|
;;
|
|
"query")
|
|
f_query "${2}"
|
|
;;
|
|
"start"|"reload")
|
|
f_env
|
|
f_main
|
|
;;
|
|
esac
|