You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1304 lines
36 KiB
1304 lines
36 KiB
#!/bin/sh
|
|
# dns based ad/abuse domain blocking
|
|
# written by Dirk Brenken (dev@brenken.org)
|
|
|
|
# This is free software, licensed under the GNU General Public License v3.
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
# set initial defaults
|
|
#
|
|
LC_ALL=C
|
|
PATH="/usr/sbin:/usr/bin:/sbin:/bin"
|
|
adb_ver="3.6.5"
|
|
adb_sysver="unknown"
|
|
adb_enabled=0
|
|
adb_debug=0
|
|
adb_forcedns=0
|
|
adb_jail=0
|
|
adb_maxqueue=8
|
|
adb_notify=0
|
|
adb_notifycnt=0
|
|
adb_triggerdelay=0
|
|
adb_backup=0
|
|
adb_backup_mode=0
|
|
adb_backupdir="/mnt"
|
|
adb_fetchutil="uclient-fetch"
|
|
adb_dns="dnsmasq"
|
|
adb_dnsprefix="adb_list"
|
|
adb_dnsfile="${adb_dnsprefix}.overall"
|
|
adb_dnsjail="${adb_dnsprefix}.jail"
|
|
adb_dnsflush=0
|
|
adb_whitelist="/etc/adblock/adblock.whitelist"
|
|
adb_rtfile="/tmp/adb_runtime.json"
|
|
adb_hashutil="$(command -v sha256sum)"
|
|
adb_hashold=""
|
|
adb_hashnew=""
|
|
adb_report=0
|
|
adb_repiface="br-lan"
|
|
adb_replisten="53"
|
|
adb_repdir="/tmp"
|
|
adb_reputil="$(command -v tcpdump)"
|
|
adb_repchunkcnt="5"
|
|
adb_repchunksize="1"
|
|
adb_cnt=""
|
|
adb_rc=0
|
|
adb_action="${1:-"start"}"
|
|
adb_pidfile="/var/run/adblock.pid"
|
|
|
|
# load adblock environment
|
|
#
|
|
f_envload()
|
|
{
|
|
local dns_up sys_call sys_desc sys_model cnt=0
|
|
|
|
# get system information
|
|
#
|
|
sys_call="$(ubus -S call system board 2>/dev/null)"
|
|
if [ -n "${sys_call}" ]
|
|
then
|
|
sys_desc="$(printf '%s' "${sys_call}" | jsonfilter -e '@.release.description')"
|
|
sys_model="$(printf '%s' "${sys_call}" | jsonfilter -e '@.model')"
|
|
adb_sysver="${sys_model}, ${sys_desc}"
|
|
fi
|
|
|
|
# check hash utility
|
|
#
|
|
if [ ! -x "${adb_hashutil}" ]
|
|
then
|
|
adb_hashutil="$(command -v md5sum)"
|
|
fi
|
|
|
|
# parse 'global' and 'extra' section by callback
|
|
#
|
|
config_cb()
|
|
{
|
|
local type="${1}"
|
|
if [ "${type}" = "adblock" ]
|
|
then
|
|
option_cb()
|
|
{
|
|
local option="${1}"
|
|
local value="${2}"
|
|
eval "${option}=\"${value}\""
|
|
}
|
|
else
|
|
reset_cb
|
|
fi
|
|
}
|
|
|
|
# parse 'source' typed sections
|
|
#
|
|
parse_config()
|
|
{
|
|
local value opt section="${1}" options="enabled adb_src adb_src_rset adb_src_cat"
|
|
eval "adb_sources=\"${adb_sources} ${section}\""
|
|
for opt in ${options}
|
|
do
|
|
config_get value "${section}" "${opt}"
|
|
if [ -n "${value}" ]
|
|
then
|
|
eval "${opt}_${section}=\"${value}\""
|
|
fi
|
|
done
|
|
}
|
|
|
|
# load adblock config
|
|
#
|
|
config_load adblock
|
|
config_foreach parse_config source
|
|
|
|
# check dns backend
|
|
#
|
|
case "${adb_dns}" in
|
|
dnsmasq)
|
|
adb_dnsinstance="${adb_dnsinstance:-"0"}"
|
|
adb_dnsuser="${adb_dnsuser:-"dnsmasq"}"
|
|
adb_dnsdir="${adb_dnsdir:-"/tmp"}"
|
|
adb_dnsheader=""
|
|
adb_dnsdeny="awk '{print \"server=/\"\$0\"/\"}'"
|
|
adb_dnsallow="awk '{print \"server=/\"\$0\"/#\"}'"
|
|
adb_dnshalt="server=/#/"
|
|
;;
|
|
unbound)
|
|
adb_dnsinstance="${adb_dnsinstance:-"0"}"
|
|
adb_dnsuser="${adb_dnsuser:-"unbound"}"
|
|
adb_dnsdir="${adb_dnsdir:-"/var/lib/unbound"}"
|
|
adb_dnsheader=""
|
|
adb_dnsdeny="awk '{print \"local-zone: \042\"\$0\"\042 static\"}'"
|
|
adb_dnsallow="awk '{print \"local-zone: \042\"\$0\"\042 transparent\"}'"
|
|
adb_dnshalt="local-zone: \".\" static"
|
|
;;
|
|
named)
|
|
adb_dnsinstance="${adb_dnsinstance:-"0"}"
|
|
adb_dnsuser="${adb_dnsuser:-"bind"}"
|
|
adb_dnsdir="${adb_dnsdir:-"/var/lib/bind"}"
|
|
adb_dnsheader="\$TTL 2h"$'\n'"@ IN SOA localhost. root.localhost. (1 6h 1h 1w 2h)"$'\n'" IN NS localhost."
|
|
adb_dnsdeny="awk '{print \"\"\$0\" CNAME .\n*.\"\$0\" CNAME .\"}'"
|
|
adb_dnsallow="awk '{print \"\"\$0\" CNAME rpz-passthru.\n*.\"\$0\" CNAME rpz-passthru.\"}'"
|
|
adb_dnshalt="* CNAME ."
|
|
;;
|
|
kresd)
|
|
adb_dnsinstance="${adb_dnsinstance:-"0"}"
|
|
adb_dnsuser="${adb_dnsuser:-"root"}"
|
|
adb_dnsdir="${adb_dnsdir:-"/etc/kresd"}"
|
|
adb_dnsheader="\$TTL 2h"$'\n'"@ IN SOA localhost. root.localhost. (1 6h 1h 1w 2h)"$'\n'" IN NS localhost."
|
|
adb_dnsdeny="awk '{print \"\"\$0\" CNAME .\n*.\"\$0\" CNAME .\"}'"
|
|
adb_dnsallow="awk '{print \"\"\$0\" CNAME rpz-passthru.\n*.\"\$0\" CNAME rpz-passthru.\"}'"
|
|
adb_dnshalt="* CNAME ."
|
|
;;
|
|
dnscrypt-proxy)
|
|
adb_dnsinstance="${adb_dnsinstance:-"0"}"
|
|
adb_dnsuser="${adb_dnsuser:-"nobody"}"
|
|
adb_dnsdir="${adb_dnsdir:-"/tmp"}"
|
|
adb_dnsheader=""
|
|
adb_dnsdeny="awk '{print \$0}'"
|
|
adb_dnsallow=""
|
|
adb_dnshalt=""
|
|
;;
|
|
esac
|
|
|
|
# check adblock status
|
|
#
|
|
if [ ${adb_enabled} -eq 0 ]
|
|
then
|
|
f_extconf
|
|
f_temp
|
|
f_rmdns
|
|
f_jsnup "disabled"
|
|
f_log "info" "adblock is currently disabled, please set adb_enabled to '1' to use this service"
|
|
exit 0
|
|
fi
|
|
|
|
if [ -d "${adb_dnsdir}" ] && [ ! -f "${adb_dnsdir}/${adb_dnsfile}" ]
|
|
then
|
|
printf '%s\n' "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
|
|
if [ "${adb_action}" = "start" ] && [ "${adb_trigger}" = "timed" ]
|
|
then
|
|
sleep ${adb_triggerdelay}
|
|
fi
|
|
|
|
while [ ${cnt} -le 30 ]
|
|
do
|
|
dns_up="$(ubus -S call service list "{\"name\":\"${adb_dns}\"}" 2>/dev/null | jsonfilter -l1 -e "@[\"${adb_dns}\"].instances.*.running" 2>/dev/null)"
|
|
if [ "${dns_up}" = "true" ]
|
|
then
|
|
break
|
|
fi
|
|
sleep 1
|
|
cnt=$((cnt+1))
|
|
done
|
|
|
|
if [ "${dns_up}" != "true" ] || [ -z "${adb_dns}" ] || [ ! -x "$(command -v ${adb_dns})" ]
|
|
then
|
|
f_log "err" "'${adb_dns}' not running or not executable"
|
|
elif [ ! -d "${adb_dnsdir}" ]
|
|
then
|
|
f_log "err" "'${adb_dnsdir}' backend directory not found"
|
|
fi
|
|
}
|
|
|
|
# check environment
|
|
#
|
|
f_envcheck()
|
|
{
|
|
local ssl_lib
|
|
|
|
# startup message
|
|
#
|
|
f_log "info" "adblock instance started ::: action: ${adb_action}, priority: ${adb_nice:-"0"}, pid: ${$}"
|
|
f_jsnup "running"
|
|
|
|
# check external uci config files
|
|
#
|
|
f_extconf
|
|
|
|
# check fetch utility
|
|
#
|
|
case "${adb_fetchutil}" in
|
|
uclient-fetch)
|
|
if [ -f "/lib/libustream-ssl.so" ]
|
|
then
|
|
adb_fetchparm="${adb_fetchparm:-"--timeout=10 --no-check-certificate -O"}"
|
|
ssl_lib="libustream-ssl"
|
|
else
|
|
adb_fetchparm="${adb_fetchparm:-"--timeout=10 -O"}"
|
|
fi
|
|
;;
|
|
wget)
|
|
adb_fetchparm="${adb_fetchparm:-"--no-cache --no-cookies --max-redirect=0 --timeout=10 --no-check-certificate -O"}"
|
|
ssl_lib="built-in"
|
|
;;
|
|
wget-nossl)
|
|
adb_fetchparm="${adb_fetchparm:-"--no-cache --no-cookies --max-redirect=0 --timeout=10 -O"}"
|
|
;;
|
|
busybox)
|
|
adb_fetchparm="${adb_fetchparm:-"-O"}"
|
|
;;
|
|
curl)
|
|
adb_fetchparm="${adb_fetchparm:-"--connect-timeout 10 --insecure -o"}"
|
|
ssl_lib="built-in"
|
|
;;
|
|
aria2c)
|
|
adb_fetchparm="${adb_fetchparm:-"--timeout=10 --allow-overwrite=true --auto-file-renaming=false --check-certificate=false -o"}"
|
|
ssl_lib="built-in"
|
|
;;
|
|
esac
|
|
adb_fetchutil="$(command -v "${adb_fetchutil}")"
|
|
|
|
if [ ! -x "${adb_fetchutil}" ] || [ -z "${adb_fetchutil}" ] || [ -z "${adb_fetchparm}" ]
|
|
then
|
|
f_log "err" "download utility not found, please install 'uclient-fetch' with 'libustream-mbedtls' or the full 'wget' package"
|
|
fi
|
|
adb_fetchinfo="${adb_fetchutil} (${ssl_lib:-"-"})"
|
|
f_temp
|
|
}
|
|
|
|
# create temporary files and directories
|
|
#
|
|
f_temp()
|
|
{
|
|
if [ -z "${adb_tmpdir}" ]
|
|
then
|
|
adb_tmpdir="$(mktemp -p /tmp -d)"
|
|
adb_tmpload="$(mktemp -p ${adb_tmpdir} -tu)"
|
|
adb_tmpfile="$(mktemp -p ${adb_tmpdir} -tu)"
|
|
fi
|
|
if [ ! -s "${adb_pidfile}" ]
|
|
then
|
|
printf '%s' "${$}" > "${adb_pidfile}"
|
|
fi
|
|
}
|
|
|
|
# remove temporary files and directories
|
|
#
|
|
f_rmtemp()
|
|
{
|
|
if [ -d "${adb_tmpdir}" ]
|
|
then
|
|
rm -rf "${adb_tmpdir}"
|
|
fi
|
|
> "${adb_pidfile}"
|
|
}
|
|
|
|
# remove dns related files and directories
|
|
#
|
|
f_rmdns()
|
|
{
|
|
if [ -n "${adb_dns}" ]
|
|
then
|
|
f_hash
|
|
printf '%s\n' "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
> "${adb_dnsdir}/.${adb_dnsfile}"
|
|
> "${adb_rtfile}"
|
|
rm -f "${adb_backupdir}/${adb_dnsprefix}"*.gz
|
|
f_hash
|
|
if [ ${?} -eq 1 ]
|
|
then
|
|
f_dnsup
|
|
fi
|
|
f_rmtemp
|
|
fi
|
|
f_log "debug" "f_rmdns ::: dns: ${adb_dns}, dns_dir: ${adb_dnsdir}, dns_prefix: ${adb_dnsprefix}, 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}" | awk '{ORS=" "; print $0}')"
|
|
if [ -n "${change}" ]
|
|
then
|
|
uci_commit "${config}"
|
|
case "${config}" in
|
|
firewall)
|
|
/etc/init.d/firewall reload >/dev/null 2>&1
|
|
;;
|
|
*)
|
|
/etc/init.d/"${adb_dns}" reload >/dev/null 2>&1
|
|
;;
|
|
esac
|
|
fi
|
|
f_log "debug" "f_uci ::: config: ${config}, change: ${change}"
|
|
fi
|
|
}
|
|
|
|
# list/overall count
|
|
#
|
|
f_count()
|
|
{
|
|
local mode="${1}"
|
|
|
|
adb_cnt=0
|
|
if [ -s "${adb_dnsdir}/${adb_dnsfile}" ] && ([ -z "${mode}" ] || [ "${mode}" = "final" ])
|
|
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
|
|
if [ "${adb_dns}" = "named" ] || [ "${adb_dns}" = "kresd" ]
|
|
then
|
|
adb_cnt="$(( (${adb_cnt} - $(printf '%s' "${adb_dnsheader}" | grep -c "^")) / 2 ))"
|
|
fi
|
|
elif [ -s "${adb_tmpfile}" ]
|
|
then
|
|
adb_cnt="$(wc -l 2>/dev/null < "${adb_tmpfile}")"
|
|
fi
|
|
}
|
|
|
|
# set external config options
|
|
#
|
|
f_extconf()
|
|
{
|
|
local uci_config port port_list="53 853 5353"
|
|
|
|
case "${adb_dns}" in
|
|
dnsmasq)
|
|
uci_config="dhcp"
|
|
if [ ${adb_enabled} -eq 1 ] && [ -n "$(uci_get dhcp "@dnsmasq[${adb_dnsinstance}]")" ] && \
|
|
[ -z "$(uci_get dhcp "@dnsmasq[${adb_dnsinstance}]" serversfile | grep -Fo "${adb_dnsdir}/${adb_dnsfile}")" ] && \
|
|
[ -z "$(uci_get dhcp "@dnsmasq[${adb_dnsinstance}]" serversfile | grep -Fo "${adb_dnsdir}/${adb_dnsjail}")" ]
|
|
then
|
|
uci_set dhcp "@dnsmasq[${adb_dnsinstance}]" serversfile "${adb_dnsdir}/${adb_dnsfile}"
|
|
elif [ ${adb_enabled} -eq 0 ] && [ -n "$(uci_get dhcp "@dnsmasq[${adb_dnsinstance}]" serversfile | grep -Fo "${adb_dnsdir}/${adb_dnsfile}")" ]
|
|
then
|
|
uci_remove dhcp "@dnsmasq[${adb_dnsinstance}]" serversfile
|
|
fi
|
|
;;
|
|
kresd)
|
|
uci_config="resolver"
|
|
if [ ${adb_enabled} -eq 1 ] && [ -z "$(uci_get resolver kresd rpz_file | grep -Fo "${adb_dnsdir}/${adb_dnsfile}")" ]
|
|
then
|
|
uci -q add_list resolver.kresd.rpz_file="${adb_dnsdir}/${adb_dnsfile}"
|
|
elif [ ${adb_enabled} -eq 0 ] && [ -n "$(uci_get resolver kresd rpz_file | grep -Fo "${adb_dnsdir}/${adb_dnsfile}")" ]
|
|
then
|
|
uci -q del_list resolver.kresd.rpz_file="${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
if [ ${adb_enabled} -eq 1 ] && [ ${adb_dnsflush} -eq 0 ] && [ "$(uci_get resolver kresd keep_cache)" != "1" ]
|
|
then
|
|
uci_set resolver kresd keep_cache "1"
|
|
elif [ ${adb_enabled} -eq 0 ] || ([ ${adb_dnsflush} -eq 1 ] && [ "$(uci_get resolver kresd keep_cache)" = "1" ])
|
|
then
|
|
uci_set resolver kresd keep_cache "0"
|
|
fi
|
|
;;
|
|
esac
|
|
f_uci "${uci_config}"
|
|
|
|
uci_config="firewall"
|
|
if [ ${adb_enabled} -eq 1 ] && [ ${adb_forcedns} -eq 1 ] && \
|
|
[ -z "$(uci_get firewall adblock_dns_53)" ] && [ $(/etc/init.d/firewall enabled; printf '%u' ${?}) -eq 0 ]
|
|
then
|
|
for port in ${port_list}
|
|
do
|
|
uci_add firewall "redirect" "adblock_dns_${port}"
|
|
uci_set firewall "adblock_dns_${port}" "name" "Adblock DNS, port ${port}"
|
|
uci_set firewall "adblock_dns_${port}" "src" "lan"
|
|
uci_set firewall "adblock_dns_${port}" "proto" "tcp udp"
|
|
uci_set firewall "adblock_dns_${port}" "src_dport" "${port}"
|
|
uci_set firewall "adblock_dns_${port}" "dest_port" "${port}"
|
|
uci_set firewall "adblock_dns_${port}" "target" "DNAT"
|
|
done
|
|
elif [ -n "$(uci_get firewall adblock_dns_53)" ] && ([ ${adb_enabled} -eq 0 ] || [ ${adb_forcedns} -eq 0 ])
|
|
then
|
|
for port in ${port_list}
|
|
do
|
|
uci_remove firewall "adblock_dns_${port}"
|
|
done
|
|
fi
|
|
f_uci "${uci_config}"
|
|
}
|
|
|
|
# restart of the dns backend
|
|
#
|
|
f_dnsup()
|
|
{
|
|
local dns_up cache_util cache_rc cnt=0
|
|
|
|
if [ ${adb_dnsflush} -eq 0 ] && [ ${adb_enabled} -eq 1 ] && [ "${adb_rc}" -eq 0 ]
|
|
then
|
|
case "${adb_dns}" in
|
|
dnsmasq)
|
|
killall -q -HUP "${adb_dns}"
|
|
cache_rc=${?}
|
|
;;
|
|
unbound)
|
|
cache_util="$(command -v unbound-control)"
|
|
if [ -x "${cache_util}" ] && [ -d "${adb_tmpdir}" ] && [ -f "${adb_dnsdir}"/unbound.conf ]
|
|
then
|
|
"${cache_util}" -c "${adb_dnsdir}"/unbound.conf dump_cache > "${adb_tmpdir}"/adb_cache.dump 2>/dev/null
|
|
fi
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
;;
|
|
kresd)
|
|
cache_util="keep_cache"
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
cache_rc=${?}
|
|
;;
|
|
named)
|
|
cache_util="$(command -v rndc)"
|
|
if [ -x "${cache_util}" ] && [ -f /etc/bind/rndc.conf ]
|
|
then
|
|
"${cache_util}" -c /etc/bind/rndc.conf reload >/dev/null 2>&1
|
|
cache_rc=${?}
|
|
else
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
fi
|
|
;;
|
|
*)
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
;;
|
|
esac
|
|
else
|
|
"/etc/init.d/${adb_dns}" restart >/dev/null 2>&1
|
|
fi
|
|
|
|
adb_rc=1
|
|
while [ ${cnt} -le 10 ]
|
|
do
|
|
dns_up="$(ubus -S call service list "{\"name\":\"${adb_dns}\"}" | jsonfilter -l1 -e "@[\"${adb_dns}\"].instances.*.running")"
|
|
if [ "${dns_up}" = "true" ]
|
|
then
|
|
case "${adb_dns}" in
|
|
unbound)
|
|
cache_util="$(command -v unbound-control)"
|
|
if [ -x "${cache_util}" ] && [ -d "${adb_tmpdir}" ] && [ -s "${adb_tmpdir}"/adb_cache.dump ]
|
|
then
|
|
while [ ${cnt} -le 10 ]
|
|
do
|
|
"${cache_util}" -c "${adb_dnsdir}"/unbound.conf load_cache < "${adb_tmpdir}"/adb_cache.dump >/dev/null 2>&1
|
|
cache_rc=${?}
|
|
if [ ${cache_rc} -eq 0 ]
|
|
then
|
|
break
|
|
fi
|
|
cnt=$((cnt+1))
|
|
sleep 1
|
|
done
|
|
fi
|
|
;;
|
|
esac
|
|
adb_rc=0
|
|
break
|
|
fi
|
|
cnt=$((cnt+1))
|
|
sleep 1
|
|
done
|
|
f_log "debug" "f_dnsup ::: cache_util: ${cache_util:-"-"}, cache_rc: ${cache_rc:-"-"}, cache_flush: ${adb_dnsflush}, cache_cnt: ${cnt}, rc: ${adb_rc}"
|
|
return ${adb_rc}
|
|
}
|
|
|
|
# backup/restore/remove blocklists
|
|
#
|
|
f_list()
|
|
{
|
|
local file mode="${1}" in_rc="${adb_rc}"
|
|
|
|
case "${mode}" in
|
|
backup)
|
|
if [ -d "${adb_backupdir}" ]
|
|
then
|
|
gzip -cf "${adb_tmpfile}" 2>/dev/null > "${adb_backupdir}/${adb_dnsprefix}.${src_name}.gz"
|
|
adb_rc=${?}
|
|
fi
|
|
;;
|
|
restore)
|
|
if [ -d "${adb_backupdir}" ] && [ -f "${adb_backupdir}/${adb_dnsprefix}.${src_name}.gz" ]
|
|
then
|
|
gunzip -cf "${adb_backupdir}/${adb_dnsprefix}.${src_name}.gz" 2>/dev/null > "${adb_tmpfile}"
|
|
adb_rc=${?}
|
|
fi
|
|
;;
|
|
remove)
|
|
if [ -d "${adb_backupdir}" ]
|
|
then
|
|
rm -f "${adb_backupdir}/${adb_dnsprefix}.${src_name}.gz"
|
|
fi
|
|
adb_rc=${?}
|
|
;;
|
|
merge)
|
|
for file in "${adb_tmpfile}".*
|
|
do
|
|
cat "${file}" 2>/dev/null >> "${adb_tmpdir}/${adb_dnsfile}"
|
|
if [ ${?} -ne 0 ]
|
|
then
|
|
adb_rc=${?}
|
|
break
|
|
fi
|
|
rm -f "${file}"
|
|
done
|
|
adb_tmpfile="${adb_tmpdir}/${adb_dnsfile}"
|
|
;;
|
|
final)
|
|
> "${adb_dnsdir}/${adb_dnsfile}"
|
|
|
|
if [ -s "${adb_tmpdir}/tmp.add_whitelist" ]
|
|
then
|
|
cat "${adb_tmpdir}/tmp.add_whitelist" >> "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
|
|
if [ -s "${adb_tmpdir}/tmp.rem_whitelist" ]
|
|
then
|
|
grep -vf "${adb_tmpdir}/tmp.rem_whitelist" "${adb_tmpdir}/${adb_dnsfile}" | eval "${adb_dnsdeny}" >> "${adb_dnsdir}/${adb_dnsfile}"
|
|
else
|
|
eval "${adb_dnsdeny}" "${adb_tmpdir}/${adb_dnsfile}" >> "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
|
|
if [ ${?} -eq 0 ] && [ -n "${adb_dnsheader}" ]
|
|
then
|
|
printf '%s\n' "${adb_dnsheader}" | cat - "${adb_dnsdir}/${adb_dnsfile}" > "${adb_tmpdir}/${adb_dnsfile}"
|
|
mv -f "${adb_tmpdir}/${adb_dnsfile}" "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
adb_rc=${?}
|
|
;;
|
|
esac
|
|
f_count "${mode}"
|
|
f_log "debug" "f_list ::: name: ${src_name:-"-"}, mode: ${mode}, cnt: ${adb_cnt}, in_rc: ${in_rc}, out_rc: ${adb_rc}"
|
|
}
|
|
|
|
# top level domain compression
|
|
#
|
|
f_tld()
|
|
{
|
|
local cnt cnt_srt cnt_tld source="${1}" temp_src="${1}.src.gz" temp_tld="${1}.tld" tld_ok="false"
|
|
|
|
gzip -cf "${source}" 2>/dev/null > "${temp_src}"
|
|
if [ ${?} -eq 0 ]
|
|
then
|
|
cnt="$(wc -l 2>/dev/null < "${source}")"
|
|
awk 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "${source}" > "${temp_tld}"
|
|
if [ ${?} -eq 0 ]
|
|
then
|
|
sort -u "${temp_tld}" > "${source}"
|
|
if [ ${?} -eq 0 ]
|
|
then
|
|
cnt_srt="$(wc -l 2>/dev/null < "${source}")"
|
|
awk '{if(NR==1){tld=$NF};while(getline){if($NF!~tld"\\."){print tld;tld=$NF}}print tld}' "${source}" > "${temp_tld}"
|
|
if [ ${?} -eq 0 ]
|
|
then
|
|
awk 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "${temp_tld}" > "${source}"
|
|
if [ ${?} -eq 0 ]
|
|
then
|
|
rm -f "${temp_src}" "${temp_tld}"
|
|
cnt_tld="$(wc -l 2>/dev/null < "${source}")"
|
|
tld_ok="true"
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [ "${tld_ok}" = "false" ]
|
|
then
|
|
rm -f "${temp_tld}"
|
|
gunzip -cf "${temp_src}" 2>/dev/null > "${source}"
|
|
if [ ${?} -ne 0 ]
|
|
then
|
|
rm -f "${temp_src}"
|
|
> "${source}"
|
|
fi
|
|
fi
|
|
f_log "debug" "f_tld ::: source: ${source}, cnt: ${cnt:-"-"}, cnt_srt: ${cnt_srt:-"-"}, cnt_tld: ${cnt_tld:-"-"}, tld_ok: ${tld_ok}"
|
|
}
|
|
|
|
# blocklist hash compare
|
|
#
|
|
f_hash()
|
|
{
|
|
local hash hash_rc=1
|
|
|
|
if [ -x "${adb_hashutil}" ] && [ -f "${adb_dnsdir}/${adb_dnsfile}" ]
|
|
then
|
|
hash="$(${adb_hashutil} "${adb_dnsdir}/${adb_dnsfile}" 2>/dev/null | awk '{print $1}')"
|
|
if [ -z "${adb_hashold}" ] && [ -n "${hash}" ]
|
|
then
|
|
adb_hashold="${hash}"
|
|
elif [ -z "${adb_hashnew}" ] && [ -n "${hash}" ]
|
|
then
|
|
adb_hashnew="${hash}"
|
|
fi
|
|
if [ -n "${adb_hashold}" ] && [ -n "${adb_hashnew}" ]
|
|
then
|
|
if [ "${adb_hashold}" = "${adb_hashnew}" ]
|
|
then
|
|
hash_rc=0
|
|
fi
|
|
adb_hashold=""
|
|
adb_hashnew=""
|
|
fi
|
|
fi
|
|
f_log "debug" "f_hash ::: hash_util: ${adb_hashutil}, hash: ${hash}, out_rc: ${hash_rc}"
|
|
return ${hash_rc}
|
|
}
|
|
|
|
# suspend/resume adblock processing
|
|
#
|
|
f_switch()
|
|
{
|
|
local status cnt mode="${1}"
|
|
|
|
json_load_file "${adb_rtfile}" >/dev/null 2>&1
|
|
json_select "data"
|
|
json_get_var status "adblock_status"
|
|
json_get_var cnt "overall_domains"
|
|
|
|
if [ "${mode}" = "suspend" ] && [ "${status}" = "enabled" ]
|
|
then
|
|
if [ ${cnt%% *} -gt 0 ] && [ -s "${adb_dnsdir}/${adb_dnsfile}" ]
|
|
then
|
|
f_hash
|
|
cat "${adb_dnsdir}/${adb_dnsfile}" > "${adb_dnsdir}/.${adb_dnsfile}"
|
|
printf '%s\n' "${adb_dnsheader}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
f_hash
|
|
fi
|
|
elif [ "${mode}" = "resume" ] && [ "${status}" = "paused" ]
|
|
then
|
|
if [ ${cnt%% *} -gt 0 ] && [ -s "${adb_dnsdir}/.${adb_dnsfile}" ]
|
|
then
|
|
f_hash
|
|
cat "${adb_dnsdir}/.${adb_dnsfile}" > "${adb_dnsdir}/${adb_dnsfile}"
|
|
> "${adb_dnsdir}/.${adb_dnsfile}"
|
|
f_hash
|
|
fi
|
|
fi
|
|
if [ ${?} -eq 1 ]
|
|
then
|
|
f_temp
|
|
f_dnsup
|
|
f_jsnup "${mode}"
|
|
f_log "info" "${mode} adblock processing"
|
|
f_rmtemp
|
|
exit 0
|
|
fi
|
|
}
|
|
|
|
# query blocklist for certain (sub-)domains
|
|
#
|
|
f_query()
|
|
{
|
|
local search result prefix suffix field domain="${1}" tld="${1#*.}"
|
|
|
|
if [ -z "${domain}" ] || [ "${domain}" = "${tld}" ]
|
|
then
|
|
printf '%s\n' "::: invalid domain input, please submit a single domain, e.g. 'doubleclick.net'"
|
|
else
|
|
case "${adb_dns}" in
|
|
dnsmasq)
|
|
prefix=".*[\/\.]"
|
|
suffix="(\/)"
|
|
field=2
|
|
;;
|
|
unbound)
|
|
prefix=".*[\"\.]"
|
|
suffix="(static)"
|
|
field=3
|
|
;;
|
|
named)
|
|
prefix="[^\*].*[\.]"
|
|
suffix="( \.)"
|
|
field=1
|
|
;;
|
|
kresd)
|
|
prefix="[^\*].*[\.]"
|
|
suffix="( \.)"
|
|
field=1
|
|
;;
|
|
dnscrypt-proxy)
|
|
prefix=".*[\.]"
|
|
suffix=""
|
|
field=1
|
|
;;
|
|
esac
|
|
while [ "${domain}" != "${tld}" ]
|
|
do
|
|
search="${domain//./\\.}"
|
|
search="${search//[+*~%\$&\"\']/}"
|
|
result="$(awk -F '/|\"| ' "/^(${search}|${prefix}+${search}.*${suffix}$)/{i++;{printf(\" + %s\n\",\$${field})};if(i>9){printf(\" + %s\n\",\"[...]\");exit}}" "${adb_dnsdir}/${adb_dnsfile}")"
|
|
printf '%s\n%s\n%s\n' ":::" "::: results for domain '${domain}'" ":::"
|
|
printf '%s\n' "${result:-" - no match"}"
|
|
domain="${tld}"
|
|
tld="${domain#*.}"
|
|
done
|
|
|
|
if [ ${adb_backup} -eq 1 ] && [ -d "${adb_backupdir}" ]
|
|
then
|
|
search="${1//./\\.}"
|
|
search="${search//[+*~%\$&\"\']/}"
|
|
printf '%s\n%s\n%s\n' ":::" "::: results for domain '${1}' in backups" ":::"
|
|
for file in ${adb_backupdir}/${adb_dnsprefix}.*.gz
|
|
do
|
|
zcat "${file}" 2>/dev/null | awk -v f="${file##*/}" "/^($search|.*\.${search})/{i++;{printf(\" + %-30s%s\n\",f,\$1)};if(i>=3){printf(\" + %-30s%s\n\",f,\"[...]\");exit}}"
|
|
done
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# update runtime information
|
|
#
|
|
f_jsnup()
|
|
{
|
|
local run_time bg_pid status="${1:-"enabled"}" mode="normal mode"
|
|
|
|
if [ ${adb_rc} -gt 0 ]
|
|
then
|
|
status="error"
|
|
run_time="$(/bin/date "+%d.%m.%Y %H:%M:%S")"
|
|
fi
|
|
if [ "${status}" = "enabled" ]
|
|
then
|
|
run_time="$(/bin/date "+%d.%m.%Y %H:%M:%S")"
|
|
fi
|
|
if [ "${status}" = "suspend" ]
|
|
then
|
|
status="paused"
|
|
fi
|
|
if [ "${status}" = "resume" ]
|
|
then
|
|
status=""
|
|
fi
|
|
if [ ${adb_backup_mode} -eq 1 ]
|
|
then
|
|
mode="backup mode"
|
|
fi
|
|
|
|
json_load_file "${adb_rtfile}" >/dev/null 2>&1
|
|
json_select "data" >/dev/null 2>&1
|
|
if [ ${?} -eq 0 ]
|
|
then
|
|
if [ -z "${adb_fetchinfo}" ]
|
|
then
|
|
json_get_var adb_fetchinfo "fetch_utility"
|
|
fi
|
|
if [ -z "${adb_cnt}" ]
|
|
then
|
|
json_get_var adb_cnt "overall_domains"
|
|
adb_cnt="${adb_cnt%% *}"
|
|
fi
|
|
if [ -z "${run_time}" ]
|
|
then
|
|
json_get_var run_time "last_rundate"
|
|
fi
|
|
fi
|
|
|
|
> "${adb_rtfile}"
|
|
json_load_file "${adb_rtfile}" >/dev/null 2>&1
|
|
json_init
|
|
json_add_object "data"
|
|
json_add_string "adblock_status" "${status:-"enabled"}"
|
|
json_add_string "adblock_version" "${adb_ver}"
|
|
json_add_string "overall_domains" "${adb_cnt:-0} (${mode})"
|
|
json_add_string "fetch_utility" "${adb_fetchinfo:-"-"}"
|
|
json_add_string "dns_backend" "${adb_dns} (${adb_dnsdir})"
|
|
json_add_string "last_rundate" "${run_time:-"-"}"
|
|
json_add_string "system_release" "${adb_sysver}"
|
|
json_close_object
|
|
json_dump > "${adb_rtfile}"
|
|
|
|
if [ ${adb_notify} -eq 1 ] && [ -x /etc/adblock/adblock.notify ] && \
|
|
([ "${status}" = "error" ] || ([ "${status}" = "enabled" ] && [ ${adb_cnt} -le ${adb_notifycnt} ]))
|
|
then
|
|
(/etc/adblock/adblock.notify >/dev/null 2>&1)&
|
|
bg_pid=${!}
|
|
fi
|
|
f_log "debug" "f_jsnup ::: status: ${status:-"-"}, mode: ${mode}, cnt: ${adb_cnt}, notify: ${adb_notify}, notify_cnt: ${adb_notifycnt}, notify_pid: ${bg_pid:-"-"}"
|
|
}
|
|
|
|
# write to syslog
|
|
#
|
|
f_log()
|
|
{
|
|
local class="${1}" log_msg="${2}"
|
|
|
|
if [ -n "${log_msg}" ] && ([ "${class}" != "debug" ] || [ ${adb_debug} -eq 1 ])
|
|
then
|
|
logger -p "${class}" -t "adblock-${adb_ver}[${$}]" "${log_msg}"
|
|
if [ "${class}" = "err" ]
|
|
then
|
|
f_rmdns
|
|
f_jsnup
|
|
logger -p "${class}" -t "adblock-${adb_ver}[${$}]" "Please also check 'https://github.com/openwrt/packages/blob/master/net/adblock/files/README.md'"
|
|
exit 1
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# main function for blocklist processing
|
|
#
|
|
f_main()
|
|
{
|
|
local tmp_load tmp_file src_name src_rset src_url src_log src_arc src_cat cat list entry suffix mem_total mem_free enabled cnt=1
|
|
|
|
mem_total="$(awk '/^MemTotal/ {print int($2/1000)}' "/proc/meminfo" 2>/dev/null)"
|
|
mem_free="$(awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo" 2>/dev/null)"
|
|
tmp_load="${adb_tmpload}"
|
|
tmp_file="${adb_tmpfile}"
|
|
> "${adb_dnsdir}/.${adb_dnsfile}"
|
|
> "${adb_tmpdir}/tmp.raw_whitelist"
|
|
> "${adb_tmpdir}/tmp.add_whitelist"
|
|
> "${adb_tmpdir}/tmp.rem_whitelist"
|
|
f_log "debug" "f_main ::: dns: ${adb_dns}, fetch_util: ${adb_fetchinfo}, backup: ${adb_backup}, backup_mode: ${adb_backup_mode}, dns_jail: ${adb_jail}, force_dns: ${adb_forcedns}, mem_total: ${mem_total:-0}, mem_free: ${mem_free:-0}, max_queue: ${adb_maxqueue}"
|
|
|
|
# prepare whitelist entries
|
|
#
|
|
if [ -s "${adb_whitelist}" ]
|
|
then
|
|
adb_whitelist_rset="/^([[:alnum:]_-]+\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower(\$1)}"
|
|
awk "${adb_whitelist_rset}" "${adb_whitelist}" > "${adb_tmpdir}/tmp.raw_whitelist"
|
|
f_tld "${adb_tmpdir}/tmp.raw_whitelist"
|
|
|
|
adb_whitelist_rset="/^([[:alnum:]_-]+\.)+[[:alpha:]]+([[:space:]]|$)/{gsub(\"\\\.\",\"\\\.\",\$1);print tolower(\"^\"\$1\"\\\|\\\.\"\$1)}"
|
|
awk "${adb_whitelist_rset}" "${adb_tmpdir}/tmp.raw_whitelist" > "${adb_tmpdir}/tmp.rem_whitelist"
|
|
|
|
if [ -n "${adb_dnsallow}" ]
|
|
then
|
|
eval "${adb_dnsallow}" "${adb_tmpdir}/tmp.raw_whitelist" > "${adb_tmpdir}/tmp.add_whitelist"
|
|
fi
|
|
fi
|
|
|
|
# build 'dnsjail' list
|
|
#
|
|
if [ ${adb_jail} -eq 1 ]
|
|
then
|
|
cat "${adb_tmpdir}/tmp.add_whitelist" > "/tmp/${adb_dnsjail}"
|
|
printf '%s\n' "${adb_dnshalt}" >> "/tmp/${adb_dnsjail}"
|
|
if [ -n "${adb_dnsheader}" ]
|
|
then
|
|
printf '%s\n' "${adb_dnsheader}" | cat - "/tmp/${adb_dnsjail}" > "${adb_tmpdir}/tmp.dnsjail"
|
|
cat "${adb_tmpdir}/tmp.dnsjail" > "/tmp/${adb_dnsjail}"
|
|
fi
|
|
fi
|
|
|
|
# main loop
|
|
#
|
|
for src_name in ${adb_sources}
|
|
do
|
|
enabled="$(eval printf '%s' \"\${enabled_${src_name}\}\")"
|
|
src_url="$(eval printf '%s' \"\${adb_src_${src_name}\}\")"
|
|
src_rset="$(eval printf '%s' \"\${adb_src_rset_${src_name}\}\")"
|
|
src_cat="$(eval printf '%s' \"\${adb_src_cat_${src_name}\}\")"
|
|
adb_tmpload="${tmp_load}.${src_name}"
|
|
adb_tmpfile="${tmp_file}.${src_name}"
|
|
|
|
# basic pre-checks
|
|
#
|
|
f_log "debug" "f_main ::: name: ${src_name}, enabled: ${enabled}"
|
|
if [ "${enabled}" != "1" ] || [ -z "${src_url}" ] || [ -z "${src_rset}" ]
|
|
then
|
|
f_list remove
|
|
continue
|
|
fi
|
|
|
|
# backup mode
|
|
#
|
|
if [ ${adb_backup_mode} -eq 1 ] && [ "${adb_action}" = "start" ] && [ "${src_name}" != "blacklist" ]
|
|
then
|
|
f_list restore
|
|
if [ ${adb_rc} -eq 0 ] && [ -s "${adb_tmpfile}" ]
|
|
then
|
|
continue
|
|
fi
|
|
fi
|
|
|
|
# download queue processing
|
|
#
|
|
if [ "${src_name}" = "blacklist" ]
|
|
then
|
|
if [ -s "${src_url}" ]
|
|
then
|
|
(
|
|
src_log="$(cat "${src_url}" > "${adb_tmpload}" 2>&1)"
|
|
adb_rc=${?}
|
|
if [ ${adb_rc} -eq 0 ] && [ -s "${adb_tmpload}" ]
|
|
then
|
|
awk "${src_rset}" "${adb_tmpload}" 2>/dev/null > "${adb_tmpfile}"
|
|
adb_rc=${?}
|
|
if [ ${adb_rc} -eq 0 ] && [ -s "${adb_tmpfile}" ]
|
|
then
|
|
rm -f "${adb_tmpload}"
|
|
f_list download
|
|
fi
|
|
else
|
|
src_log="$(printf '%s' "${src_log}" | awk '{ORS=" ";print $0}')"
|
|
f_log "debug" "f_main ::: name: ${src_name}, url: ${src_url}, rc: ${adb_rc}, log: ${src_log:-"-"}"
|
|
fi
|
|
) &
|
|
else
|
|
continue
|
|
fi
|
|
elif [ -n "${src_cat}" ]
|
|
then
|
|
(
|
|
src_arc="${adb_tmpdir}/${src_url##*/}"
|
|
src_log="$("${adb_fetchutil}" ${adb_fetchparm} "${src_arc}" "${src_url}" 2>&1)"
|
|
adb_rc=${?}
|
|
if [ ${adb_rc} -eq 0 ] && [ -s "${src_arc}" ]
|
|
then
|
|
list="$(tar -tzf "${src_arc}")"
|
|
suffix="$(eval printf '%s' \"\${adb_src_suffix_${src_name}:-\"domains\"\}\")"
|
|
for cat in ${src_cat}
|
|
do
|
|
entry="$(printf '%s' "${list}" | grep -E "[\^/]+${cat}/${suffix}")"
|
|
if [ -n "${entry}" ]
|
|
then
|
|
tar -xOzf "${src_arc}" "${entry}" >> "${adb_tmpload}"
|
|
adb_rc=${?}
|
|
if [ ${adb_rc} -ne 0 ]
|
|
then
|
|
break
|
|
fi
|
|
fi
|
|
done
|
|
else
|
|
src_log="$(printf '%s' "${src_log}" | awk '{ORS=" ";print $0}')"
|
|
f_log "debug" "f_main ::: name: ${src_name}, url: ${src_url}, rc: ${adb_rc}, log: ${src_log:-"-"}"
|
|
fi
|
|
if [ ${adb_rc} -eq 0 ] && [ -s "${adb_tmpload}" ]
|
|
then
|
|
rm -f "${src_arc}"
|
|
awk "${src_rset}" "${adb_tmpload}" 2>/dev/null > "${adb_tmpfile}"
|
|
adb_rc=${?}
|
|
if [ ${adb_rc} -eq 0 ] && [ -s "${adb_tmpfile}" ]
|
|
then
|
|
rm -f "${adb_tmpload}"
|
|
f_list download
|
|
if [ ${adb_backup} -eq 1 ]
|
|
then
|
|
f_list backup
|
|
fi
|
|
elif [ ${adb_backup} -eq 1 ]
|
|
then
|
|
f_list restore
|
|
fi
|
|
elif [ ${adb_backup} -eq 1 ]
|
|
then
|
|
f_list restore
|
|
fi
|
|
) &
|
|
else
|
|
(
|
|
src_log="$("${adb_fetchutil}" ${adb_fetchparm} "${adb_tmpload}" "${src_url}" 2>&1)"
|
|
adb_rc=${?}
|
|
if [ ${adb_rc} -eq 0 ] && [ -s "${adb_tmpload}" ]
|
|
then
|
|
awk "${src_rset}" "${adb_tmpload}" 2>/dev/null > "${adb_tmpfile}"
|
|
adb_rc=${?}
|
|
if [ ${adb_rc} -eq 0 ] && [ -s "${adb_tmpfile}" ]
|
|
then
|
|
rm -f "${adb_tmpload}"
|
|
f_list download
|
|
if [ ${adb_backup} -eq 1 ]
|
|
then
|
|
f_list backup
|
|
fi
|
|
elif [ ${adb_backup} -eq 1 ]
|
|
then
|
|
f_list restore
|
|
fi
|
|
else
|
|
src_log="$(printf '%s' "${src_log}" | awk '{ORS=" ";print $0}')"
|
|
f_log "debug" "f_main ::: name: ${src_name}, url: ${src_url}, rc: ${adb_rc}, log: ${src_log:-"-"}"
|
|
if [ ${adb_backup} -eq 1 ]
|
|
then
|
|
f_list restore
|
|
fi
|
|
fi
|
|
) &
|
|
fi
|
|
hold=$(( cnt % adb_maxqueue ))
|
|
if [ ${hold} -eq 0 ]
|
|
then
|
|
wait
|
|
fi
|
|
cnt=$(( cnt + 1 ))
|
|
done
|
|
|
|
# list merge
|
|
#
|
|
wait
|
|
src_name="overall"
|
|
adb_tmpfile="${tmp_file}"
|
|
f_list merge
|
|
|
|
# overall sort and conditional dns restart
|
|
#
|
|
f_hash
|
|
if [ -s "${adb_tmpdir}/${adb_dnsfile}" ]
|
|
then
|
|
f_tld "${adb_tmpdir}/${adb_dnsfile}"
|
|
f_list final
|
|
else
|
|
> "${adb_dnsdir}/${adb_dnsfile}"
|
|
fi
|
|
chown "${adb_dnsuser}" "${adb_dnsdir}/${adb_dnsfile}" 2>/dev/null
|
|
f_hash
|
|
if [ ${?} -eq 1 ]
|
|
then
|
|
f_dnsup
|
|
fi
|
|
f_jsnup
|
|
if [ ${?} -eq 0 ]
|
|
then
|
|
f_log "info" "blocklist with overall ${adb_cnt} domains loaded successfully (${adb_sysver})"
|
|
else
|
|
f_log "err" "dns backend restart with active blocklist failed"
|
|
fi
|
|
f_rmtemp
|
|
exit ${adb_rc}
|
|
}
|
|
|
|
# trace dns queries via tcpdump and prepare a report
|
|
#
|
|
f_report()
|
|
{
|
|
local bg_pid total blocked percent rep_clients rep_domains rep_blocked index hold ports cnt=0 search="${1}" count="${2}" filter="${3}" print="${4}"
|
|
|
|
if [ ${adb_report} -eq 1 ] && [ ! -x "${adb_reputil}" ]
|
|
then
|
|
f_log "info" "Please install the package 'tcpdump' or 'tcpdump-mini' to use the adblock reporting feature!"
|
|
elif [ ${adb_report} -eq 0 ] && [ "${adb_action}" = "report" ]
|
|
then
|
|
f_log "info" "Please enable the extra option 'adb_report' to use the adblock reporting feature!"
|
|
fi
|
|
|
|
if [ -x "${adb_reputil}" ]
|
|
then
|
|
bg_pid="$(pgrep -f "^${adb_reputil}.*adb_report\.pcap$" | awk '{ORS=" "; print $1}')"
|
|
if [ ${adb_report} -eq 0 ] || ([ -n "${bg_pid}" ] && ([ "${adb_action}" = "stop" ] || [ "${adb_action}" = "restart" ]))
|
|
then
|
|
if [ -n "${bg_pid}" ]
|
|
then
|
|
kill -HUP ${bg_pid}
|
|
while $(kill -0 ${bg_pid} 2>/dev/null)
|
|
do
|
|
sleep 1
|
|
done
|
|
unset bg_pid
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [ -x "${adb_reputil}" ] && [ ${adb_report} -eq 1 ]
|
|
then
|
|
if [ -z "${bg_pid}" ] && [ "${adb_action}" != "report" ] && [ "${adb_action}" != "stop" ]
|
|
then
|
|
for port in ${adb_replisten}
|
|
do
|
|
if [ -z "${ports}" ]
|
|
then
|
|
ports="port ${port}"
|
|
else
|
|
ports="${ports} or port ${port}"
|
|
fi
|
|
done
|
|
("${adb_reputil}" -nn -s0 -l -i ${adb_repiface} ${ports} -C${adb_repchunksize} -W${adb_repchunkcnt} -w "${adb_repdir}/adb_report.pcap" >/dev/null 2>&1 &)
|
|
bg_pid="$(pgrep -f "^${adb_reputil}.*adb_report\.pcap$" | awk '{ORS=" "; print $1}')"
|
|
fi
|
|
|
|
if [ "${adb_action}" = "report" ] && [ "${filter}" = "false" ]
|
|
then
|
|
> "${adb_repdir}/adb_report.raw"
|
|
for file in "${adb_repdir}"/adb_report.pcap*
|
|
do
|
|
(
|
|
"${adb_reputil}" -tttt -r $file 2>/dev/null | \
|
|
awk -v cnt=${cnt} '!/\.lan\. /&&/ A[\? ]+|NXDomain/{a=$1;b=substr($2,0,8);c=$4;sub(/\.[0-9]+$/,"",c); \
|
|
d=cnt $7;e=$(NF-1);sub(/[0-9]\/[0-9]\/[0-9]/,"NX",e);sub(/\.$/,"",e);sub(/([0-9]{1,3}\.){3}[0-9]{1,3}/,"OK",e);printf("%s\t%s\t%s\t%s\t%s\n", a,b,c,d,e)}' >> "${adb_repdir}/adb_report.raw"
|
|
)&
|
|
hold=$(( cnt % adb_maxqueue ))
|
|
if [ ${hold} -eq 0 ]
|
|
then
|
|
wait
|
|
fi
|
|
cnt=$(( cnt + 1 ))
|
|
done
|
|
wait
|
|
|
|
if [ -s "${adb_repdir}/adb_report.raw" ]
|
|
then
|
|
awk '{printf("%s\t%s\t%s\t%s\t%s\t%s\n", $4,$5,$1,$2,$3,$4)}' "${adb_repdir}/adb_report.raw" | \
|
|
sort -ur | uniq -uf2 | awk '{currA=($6+0);currB=$6;currC=substr($6,length($6),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"$2}}' | sort -ur > "${adb_repdir}/adb_report"
|
|
fi
|
|
|
|
if [ -s "${adb_repdir}/adb_report" ]
|
|
then
|
|
total="$(wc -l < ${adb_repdir}/adb_report)"
|
|
blocked="$(awk '{if($5=="NX")print $4}' ${adb_repdir}/adb_report | wc -l)"
|
|
percent="$(awk -v t=${total} -v b=${blocked} 'BEGIN{printf("%.2f %s\n",b/t*100, "%")}')"
|
|
rep_clients="$(awk '{print $3}' ${adb_repdir}/adb_report | sort | uniq -c | sort -r | awk '{ORS=" ";if(NR<=10) printf("%s_%s ",$1,$2)}')"
|
|
rep_domains="$(awk '{if($5!="NX")print $4}' ${adb_repdir}/adb_report | sort | uniq -c | sort -r | awk '{ORS=" ";if(NR<=10)printf("%s_%s ",$1,$2)}')"
|
|
rep_blocked="$(awk '{if($5=="NX")print $4}' ${adb_repdir}/adb_report | sort | uniq -c | sort -r | awk '{ORS=" ";if(NR<=10)printf("%s_%s ",$1,$2)}')"
|
|
|
|
> "${adb_repdir}/adb_report.json"
|
|
json_load_file "${adb_repdir}/adb_report.json" >/dev/null 2>&1
|
|
json_init
|
|
json_add_object "data"
|
|
json_add_string "start_date" "$(awk 'END{printf("%s",$1)}' ${adb_repdir}/adb_report)"
|
|
json_add_string "start_time" "$(awk 'END{printf("%s",$2)}' ${adb_repdir}/adb_report)"
|
|
json_add_string "end_date" "$(awk 'NR==1{printf("%s",$1)}' ${adb_repdir}/adb_report)"
|
|
json_add_string "end_time" "$(awk 'NR==1{printf("%s",$2)}' ${adb_repdir}/adb_report)"
|
|
json_add_string "total" "${total}"
|
|
json_add_string "blocked" "${blocked}"
|
|
json_add_string "percent" "${percent}"
|
|
json_close_array
|
|
json_add_array "top_clients"
|
|
for client in ${rep_clients}
|
|
do
|
|
json_add_object
|
|
json_add_string "count" "${client%%_*}"
|
|
json_add_string "address" "${client#*_}"
|
|
json_close_object
|
|
done
|
|
json_close_array
|
|
json_add_array "top_domains"
|
|
for domain in ${rep_domains}
|
|
do
|
|
json_add_object
|
|
json_add_string "count" "${domain%%_*}"
|
|
json_add_string "address" "${domain#*_}"
|
|
json_close_object
|
|
done
|
|
json_close_array
|
|
json_add_array "top_blocked"
|
|
for block in ${rep_blocked}
|
|
do
|
|
json_add_object
|
|
json_add_string "count" "${block%%_*}"
|
|
json_add_string "address" "${block#*_}"
|
|
json_close_object
|
|
done
|
|
json_close_object
|
|
json_dump > "${adb_repdir}/adb_report.json"
|
|
fi
|
|
rm -f "${adb_repdir}/adb_report.raw"
|
|
fi
|
|
|
|
if [ -s "${adb_repdir}/adb_report" ]
|
|
then
|
|
search="${search//./\\.}"
|
|
search="${search//[+*~%\$&\"\' ]/}"
|
|
> "${adb_repdir}/adb_report.final"
|
|
awk "BEGIN{i=0}/(${search})/{i++;if(i<=${count}){printf \"%s\t%s\t%s\t%s\t%s\n\",\$1,\$2,\$3,\$4,\$5}}" "${adb_repdir}/adb_report" > "${adb_repdir}/adb_report.final"
|
|
if [ ! -s "${adb_repdir}/adb_report.final" ]
|
|
then
|
|
printf "%s\t%s\t%s\t%s\t%s\n" "-" "-" "-" "-" "-" > "${adb_repdir}/adb_report.final"
|
|
fi
|
|
fi
|
|
|
|
if [ "${print}" = "true" ]
|
|
then
|
|
if [ -s "${adb_repdir}/adb_report.json" ]
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: Adblock DNS-Query Report" ":::"
|
|
json_load_file "${adb_repdir}/adb_report.json"
|
|
json_select "data"
|
|
json_get_keys keylist
|
|
for key in ${keylist}
|
|
do
|
|
json_get_var value "${key}"
|
|
eval "${key}=\"${value}\""
|
|
done
|
|
printf " + %s\n + %s\n" "Start ::: ${start_date}, ${start_time}" "End ::: ${end_date}, ${end_time}"
|
|
printf " + %s\n + %s %s\n" "Total ::: ${total}" "Blocked ::: ${blocked}" "(${percent})"
|
|
json_select ".."
|
|
if json_get_type Status "top_clients" && [ "${Status}" = "array" ]
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: Top 10 Clients" ":::"
|
|
json_select "top_clients"
|
|
index=1
|
|
while json_get_type Status ${index} && [ "${Status}" = "object" ]
|
|
do
|
|
json_get_values client ${index}
|
|
printf " + %-9s::: %s\n" ${client}
|
|
index=$((index + 1))
|
|
done
|
|
fi
|
|
json_select ".."
|
|
if json_get_type Status "top_domains" && [ "${Status}" = "array" ]
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: Top 10 Domains" ":::"
|
|
json_select "top_domains"
|
|
index=1
|
|
while json_get_type Status ${index} && [ "${Status}" = "object" ]
|
|
do
|
|
json_get_values domain ${index}
|
|
printf " + %-9s::: %s\n" ${domain}
|
|
index=$((index + 1))
|
|
done
|
|
fi
|
|
json_select ".."
|
|
if json_get_type Status "top_blocked" && [ "${Status}" = "array" ]
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: Top 10 Blocked Domains" ":::"
|
|
json_select "top_blocked"
|
|
index=1
|
|
while json_get_type Status ${index} && [ "${Status}" = "object" ]
|
|
do
|
|
json_get_values blocked ${index}
|
|
printf " + %-9s::: %s\n" ${blocked}
|
|
index=$((index + 1))
|
|
done
|
|
fi
|
|
if [ -s "${adb_repdir}/adb_report.final" ]
|
|
then
|
|
printf "%s\n%s\n%s\n" ":::" "::: Latest DNS Queries" ":::"
|
|
printf "%-15s%-15s%-45s%-50s%s\n" "Date" "Time" "Client" "Domain" "Answer"
|
|
awk '{printf "%-15s%-15s%-45s%-50s%s\n",$1,$2,$3,$4,$5}' "${adb_repdir}/adb_report.final"
|
|
fi
|
|
else
|
|
printf "%s\n%s\n%s\n" ":::" "::: no reporting data available yet" ":::"
|
|
fi
|
|
fi
|
|
fi
|
|
f_log "debug" "f_report ::: action: ${adb_action}, report: ${adb_report}, search: ${1}, count: ${2}, filter: ${3}, print: ${4}, reputil: ${adb_reputil}, repdir: ${adb_repdir}, repiface: ${adb_repiface}, replisten: ${adb_replisten}, repchunksize: ${adb_repchunksize}, repchunkcnt: ${adb_repchunkcnt}, bg_pid: ${bg_pid}"
|
|
}
|
|
|
|
# source required system libraries
|
|
#
|
|
if [ -r "/lib/functions.sh" ] && [ -r "/usr/share/libubox/jshn.sh" ]
|
|
then
|
|
. "/lib/functions.sh"
|
|
. "/usr/share/libubox/jshn.sh"
|
|
else
|
|
f_log "err" "system libraries not found"
|
|
fi
|
|
|
|
# handle different adblock actions
|
|
#
|
|
f_envload
|
|
case "${adb_action}" in
|
|
stop)
|
|
f_report "+" "50" "false" "false"
|
|
f_rmdns
|
|
;;
|
|
restart)
|
|
f_report "+" "50" "false" "false"
|
|
f_rmdns
|
|
f_envcheck
|
|
f_main
|
|
;;
|
|
suspend)
|
|
f_switch suspend
|
|
;;
|
|
resume)
|
|
f_switch resume
|
|
;;
|
|
report)
|
|
f_report "${2}" "${3}" "${4}" "${5}"
|
|
;;
|
|
query)
|
|
f_query "${2}"
|
|
;;
|
|
start|reload)
|
|
f_report "+" "50" "false" "false"
|
|
f_envcheck
|
|
f_main
|
|
;;
|
|
esac
|