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adblock: update 4.0.8

Browse source 
* source changes:
  - add new source 'games_tracking' (https://www.gameindustry.eu)
  - change malwaredomains source mirror
  - remove malwarelist source (source is empty)
  - remove youtube source (does not work at all)
* support multiple firewall zones for dns redirects
* add firewall zone/port housekeeping
* fix dns backend detection in TurrisOS (LuCI change)
* add check for gnu-sort

Signed-off-by: Dirk Brenken <dev@brenken.org>
This commit is contained in:
Dirk Brenken 2020-12-19 18:32:08 +01:00
parent 93549ae1a1
commit aa80d082e6
No known key found for this signature in database
GPG key ID: 9D71CD547BFAE684
4 changed files with 77 additions and 62 deletions
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4
net/adblock/Makefile
View file

@ -6,8 +6,8 @@
include $(TOPDIR)/rules.mk include $(TOPDIR)/rules.mk
PKG_NAME:=adblock PKG_NAME:=adblock
PKG_VERSION:=4.0.7 PKG_VERSION:=4.0.8
PKG_RELEASE:=4 PKG_RELEASE:=1
PKG_LICENSE:=GPL-3.0-or-later PKG_LICENSE:=GPL-3.0-or-later
PKG_MAINTAINER:=Dirk Brenken <dev@brenken.org> PKG_MAINTAINER:=Dirk Brenken <dev@brenken.org>

3
net/adblock/files/README.md
View file

@ -24,9 +24,9 @@ A lot of people already use adblocker plugins within their desktop browsers, but
| energized_ultimate | | XXL | compilation | [Link](https://energized.pro) | | energized_ultimate | | XXL | compilation | [Link](https://energized.pro) |
| energized_unified | | XXL | compilation | [Link](https://energized.pro) | | energized_unified | | XXL | compilation | [Link](https://energized.pro) |
| firetv_tracking | | S | tracking | [Link](https://github.com/Perflyst/PiHoleBlocklist) | | firetv_tracking | | S | tracking | [Link](https://github.com/Perflyst/PiHoleBlocklist) |
| games_tracking | | S | tracking | [Link](https://www.gameindustry.eu) |
| gaming | | S | gaming | [Link](https://github.com/abyssin/pihole-blocklist) | | gaming | | S | gaming | [Link](https://github.com/abyssin/pihole-blocklist) |
| malwaredomains | | M | malware | [Link](https://malwaredomains.com) | | malwaredomains | | M | malware | [Link](https://malwaredomains.com) |
| malwarelist | | S | malware | [Link](https://www.malwaredomainlist.com) |
| notracking | | XL | tracking | [Link](https://github.com/notracking/hosts-blocklists) | | notracking | | XL | tracking | [Link](https://github.com/notracking/hosts-blocklists) |
| oisd_nl | | XXL | general | [Link](https://oisd.nl) | | oisd_nl | | XXL | general | [Link](https://oisd.nl) |
| openphish | | S | phishing | [Link](https://openphish.com) | | openphish | | S | phishing | [Link](https://openphish.com) |
@ -59,7 +59,6 @@ A lot of people already use adblocker plugins within their desktop browsers, but
| whocares | | M | general | [Link](https://someonewhocares.org) | | whocares | | M | general | [Link](https://someonewhocares.org) |
| winhelp | | S | general | [Link](https://winhelp2002.mvps.org) | | winhelp | | S | general | [Link](https://winhelp2002.mvps.org) |
| winspy | | S | win_telemetry | [Link](https://github.com/crazy-max/WindowsSpyBlocker) | | winspy | | S | win_telemetry | [Link](https://github.com/crazy-max/WindowsSpyBlocker) |
| youtube | | M | youtube | [Link](https://github.com/kboghdady/youTube_ads_4_pi-hole) |
| yoyo | x | S | general | [Link](https://pgl.yoyo.org/adservers) | | yoyo | x | S | general | [Link](https://pgl.yoyo.org/adservers) |
* List of supported and fully pre-configured adblock sources, already active sources are pre-selected. * List of supported and fully pre-configured adblock sources, already active sources are pre-selected.

109
net/adblock/files/adblock.sh
View file

@ -11,7 +11,7 @@
export LC_ALL=C export LC_ALL=C
export PATH="/usr/sbin:/usr/bin:/sbin:/bin" export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
set -o pipefail set -o pipefail
adb_ver="4.0.7" adb_ver="4.0.8"
adb_enabled=0 adb_enabled=0
adb_debug=0 adb_debug=0
adb_forcedns=0 adb_forcedns=0
@ -50,7 +50,8 @@ adb_loggercmd="$(command -v logger)"
adb_dumpcmd="$(command -v tcpdump)" adb_dumpcmd="$(command -v tcpdump)"
adb_lookupcmd="$(command -v nslookup)" adb_lookupcmd="$(command -v nslookup)"
adb_fetchutil="" adb_fetchutil=""
adb_portlist="53 853 5353" adb_zonelist=""
adb_portlist=""
adb_repiface="" adb_repiface=""
adb_replisten="53" adb_replisten="53"
adb_repchunkcnt="5" adb_repchunkcnt="5"
@ -148,6 +149,12 @@ f_conf()
elif [ "${option}" = "adb_safesearchlist" ] elif [ "${option}" = "adb_safesearchlist" ]
then then
eval "${option}=\"$(printf "%s" "${adb_safesearchlist}") ${value}\"" eval "${option}=\"$(printf "%s" "${adb_safesearchlist}") ${value}\""
elif [ "${option}" = "adb_zonelist" ]
then
eval "${option}=\"$(printf "%s" "${adb_zonelist}") ${value}\""
elif [ "${option}" = "adb_portlist" ]
then
eval "${option}=\"$(printf "%s" "${adb_portlist}") ${value}\""
fi fi
} }
} }
@ -553,7 +560,7 @@ f_count()
# #
f_extconf() f_extconf()
{ {
local config config_dir config_file port fwcfg local config config_dir config_file section zone port fwcfg
case "${adb_dns}" in case "${adb_dns}" in
"dnsmasq") "dnsmasq")
@ -579,33 +586,37 @@ f_extconf()
f_uci "${config}" f_uci "${config}"
config="firewall" config="firewall"
fwcfg="$(uci -qNX show "${config}")" fwcfg="$(uci -qNX show "${config}" | "${adb_awk}" 'BEGIN{FS="[.=]"};/adblock_/{if(zone==$2){next}else{ORS=" ";zone=$2;print zone}}')"
if [ "${adb_enabled}" -eq 1 ] && [ "${adb_forcedns}" -eq 1 ] && \ if [ "${adb_enabled}" -eq 1 ] && [ "${adb_forcedns}" -eq 1 ] && \
[ "$(/etc/init.d/firewall enabled; printf "%u" ${?})" -eq 0 ] [ "$(/etc/init.d/firewall enabled; printf "%u" ${?})" -eq 0 ]
then then
for port in ${adb_portlist} for zone in ${adb_zonelist}
do do
if [ -z "$(printf "%s" "${fwcfg}" | grep -Fo -m1 "adblock_dns_${port}")" ] for port in ${adb_portlist}
then do
uci -q batch <<-EOC if [ -z "$(printf "%s" "${fwcfg}" | grep -o -m1 "adblock_${zone}${port}[ |\$]")" ]
set firewall."adblock_dns_${port}"="redirect" then
set firewall."adblock_dns_${port}".name="Adblock DNS, port ${port}" uci -q batch <<-EOC
set firewall."adblock_dns_${port}".src="lan" set firewall."adblock_${zone}${port}"="redirect"
set firewall."adblock_dns_${port}".proto="tcp udp" set firewall."adblock_${zone}${port}".name="Adblock DNS (${zone}, ${port})"
set firewall."adblock_dns_${port}".src_dport="${port}" set firewall."adblock_${zone}${port}".src="${zone}"
set firewall."adblock_dns_${port}".dest_port="${port}" set firewall."adblock_${zone}${port}".proto="tcp udp"
set firewall."adblock_dns_${port}".target="DNAT" set firewall."adblock_${zone}${port}".src_dport="${port}"
EOC set firewall."adblock_${zone}${port}".dest_port="${port}"
fi set firewall."adblock_${zone}${port}".target="DNAT"
EOC
fi
fwcfg="${fwcfg/adblock_${zone}${port}[ |\$]/}"
done
done done
elif [ "${adb_enabled}" -eq 0 ] || [ "${adb_forcedns}" -eq 0 ] fwcfg="${fwcfg#"${fwcfg%%[![:space:]]*}"}"
fwcfg="${fwcfg%"${fwcfg##*[![:space:]]}"}"
fi
if [ "${adb_enabled}" -eq 0 ] || [ "${adb_forcedns}" -eq 0 ] || [ -n "${fwcfg}" ]
then then
for port in ${adb_portlist} for section in ${fwcfg}
do do
if [ -n "$(printf "%s" "${fwcfg}" | grep -Fo -m1 "adblock_dns_${port}")" ] uci_remove firewall "${section}"
then
uci_remove firewall "adblock_dns_${port}"
fi
done done
fi fi
f_uci "${config}" f_uci "${config}"
@ -671,7 +682,7 @@ f_list()
rset="/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower(\$1)}" rset="/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower(\$1)}"
"${adb_awk}" "${rset}" "${adb_blacklist}" | \ "${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_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${adb_tmpdir}/tmp.raw.${src_name}"
sort ${adb_srtopts} -u "${adb_tmpdir}/tmp.raw.${src_name}" 2>/dev/null > "${adb_tmpfile}.${src_name}" "${adb_sort}" ${adb_srtopts} -u "${adb_tmpdir}/tmp.raw.${src_name}" 2>/dev/null > "${adb_tmpfile}.${src_name}"
out_rc="${?}" out_rc="${?}"
rm -f "${adb_tmpdir}/tmp.raw.${src_name}" rm -f "${adb_tmpdir}/tmp.raw.${src_name}"
elif [ "${src_name}" = "whitelist" ] && [ -s "${adb_whitelist}" ] elif [ "${src_name}" = "whitelist" ] && [ -s "${adb_whitelist}" ]
@ -887,7 +898,7 @@ f_list()
find "${adb_backupdir}" ${ffiles} -print0 2>/dev/null | xargs -0 rm 2>/dev/null find "${adb_backupdir}" ${ffiles} -print0 2>/dev/null | xargs -0 rm 2>/dev/null
fi fi
unset src_name unset src_name
sort ${adb_srtopts} -mu "${adb_tmpfile}".* 2>/dev/null > "${adb_tmpdir}/${adb_dnsfile}" "${adb_sort}" ${adb_srtopts} -mu "${adb_tmpfile}".* 2>/dev/null > "${adb_tmpdir}/${adb_dnsfile}"
out_rc="${?}" out_rc="${?}"
rm -f "${adb_tmpfile}".* rm -f "${adb_tmpfile}".*
;; ;;
@ -1297,7 +1308,7 @@ f_main()
"${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${src_tmpsort}" "${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${src_tmpsort}"
fi fi
rm -f "${src_tmpload}" rm -f "${src_tmpload}"
sort ${adb_srtopts} -u "${src_tmpsort}" 2>/dev/null > "${src_tmpfile}" "${adb_sort}" ${adb_srtopts} -u "${src_tmpsort}" 2>/dev/null > "${src_tmpfile}"
src_rc="${?}" src_rc="${?}"
rm -f "${src_tmpsort}" rm -f "${src_tmpsort}"
if [ "${src_rc}" -eq 0 ] && [ -s "${src_tmpfile}" ] if [ "${src_rc}" -eq 0 ] && [ -s "${src_tmpfile}" ]
@ -1335,7 +1346,7 @@ f_main()
"${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${src_tmpsort}" "${adb_awk}" 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' > "${src_tmpsort}"
fi fi
rm -f "${src_tmpload}" rm -f "${src_tmpload}"
sort ${adb_srtopts} -u "${src_tmpsort}" 2>/dev/null > "${src_tmpfile}" "${adb_sort}" ${adb_srtopts} -u "${src_tmpsort}" 2>/dev/null > "${src_tmpfile}"
src_rc="${?}" src_rc="${?}"
rm -f "${src_tmpsort}" rm -f "${src_tmpsort}"
if [ "${src_rc}" -eq 0 ] && [ -s "${src_tmpfile}" ] if [ "${src_rc}" -eq 0 ] && [ -s "${src_tmpfile}" ]
@ -1499,9 +1510,9 @@ f_report()
wait wait
if [ -s "${adb_reportdir}/adb_report.raw" ] if [ -s "${adb_reportdir}/adb_report.raw" ]
then then
sort ${adb_srtopts} -k1 -k3 -k4 -k5 -k1 -ur "${adb_reportdir}/adb_report.raw" | \ "${adb_sort}" ${adb_srtopts} -k1 -k3 -k4 -k5 -k1 -ur "${adb_reportdir}/adb_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_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}}' | \
sort ${adb_srtopts} -k1 -k2 -k3 -k4 -ur > "${adb_reportdir}/adb_report.srt" "${adb_sort}" ${adb_srtopts} -k1 -k2 -k3 -k4 -ur > "${adb_reportdir}/adb_report.srt"
rm -f "${adb_reportdir}/adb_report.raw" rm -f "${adb_reportdir}/adb_report.raw"
fi fi
@ -1528,16 +1539,16 @@ f_report()
printf "%s" " \"${top}\": [ " >> "${adb_reportdir}/adb_report.json" printf "%s" " \"${top}\": [ " >> "${adb_reportdir}/adb_report.json"
case "${top}" in case "${top}" in
"top_clients") "top_clients")
"${adb_awk}" '{print $3}' "${adb_reportdir}/adb_report.srt" | sort ${adb_srtopts} | uniq -c | \ "${adb_awk}" '{print $3}' "${adb_reportdir}/adb_report.srt" | "${adb_sort}" ${adb_srtopts} | uniq -c | \
sort ${adb_srtopts} -nr | "${adb_awk}" '{ORS=" ";if(NR==1)printf "{ \"count\": \"%s\", \"address\": \"%s\" }",$1,$2; else if(NR<10)printf ", { \"count\": \"%s\", \"address\": \"%s\" }",$1,$2}' >> "${adb_reportdir}/adb_report.json" "${adb_sort}" ${adb_srtopts} -nr | "${adb_awk}" '{ORS=" ";if(NR==1)printf "{ \"count\": \"%s\", \"address\": \"%s\" }",$1,$2; else if(NR<10)printf ", { \"count\": \"%s\", \"address\": \"%s\" }",$1,$2}' >> "${adb_reportdir}/adb_report.json"
;; ;;
"top_domains") "top_domains")
"${adb_awk}" '{if($5!="NX")print $4}' "${adb_reportdir}/adb_report.srt" | sort ${adb_srtopts} | uniq -c | \ "${adb_awk}" '{if($5!="NX")print $4}' "${adb_reportdir}/adb_report.srt" | "${adb_sort}" ${adb_srtopts} | uniq -c | \
sort ${adb_srtopts} -nr | "${adb_awk}" '{ORS=" ";if(NR==1)printf "{ \"count\": \"%s\", \"address\": \"%s\" }",$1,$2; else if(NR<10)printf ", { \"count\": \"%s\", \"address\": \"%s\" }",$1,$2}' >> "${adb_reportdir}/adb_report.json" "${adb_sort}" ${adb_srtopts} -nr | "${adb_awk}" '{ORS=" ";if(NR==1)printf "{ \"count\": \"%s\", \"address\": \"%s\" }",$1,$2; else if(NR<10)printf ", { \"count\": \"%s\", \"address\": \"%s\" }",$1,$2}' >> "${adb_reportdir}/adb_report.json"
;; ;;
"top_blocked") "top_blocked")
"${adb_awk}" '{if($5=="NX")print $4}' "${adb_reportdir}/adb_report.srt" | sort ${adb_srtopts} | uniq -c | \ "${adb_awk}" '{if($5=="NX")print $4}' "${adb_reportdir}/adb_report.srt" | "${adb_sort}" ${adb_srtopts} | uniq -c | \
sort ${adb_srtopts} -nr | "${adb_awk}" '{ORS=" ";if(NR==1)printf "{ \"count\": \"%s\", \"address\": \"%s\" }",$1,$2; else if(NR<10)printf ", { \"count\": \"%s\", \"address\": \"%s\" }",$1,$2}' >> "${adb_reportdir}/adb_report.json" "${adb_sort}" ${adb_srtopts} -nr | "${adb_awk}" '{ORS=" ";if(NR==1)printf "{ \"count\": \"%s\", \"address\": \"%s\" }",$1,$2; else if(NR<10)printf ", { \"count\": \"%s\", \"address\": \"%s\" }",$1,$2}' >> "${adb_reportdir}/adb_report.json"
;; ;;
esac esac
printf "%s" " ], " >> "${adb_reportdir}/adb_report.json" printf "%s" " ], " >> "${adb_reportdir}/adb_report.json"
@ -1614,14 +1625,6 @@ f_report()
f_log "debug" "f_report ::: action: ${adb_action}, report: ${adb_report}, search: ${1}, count: ${2}, process: ${3}, print: ${4}, dump_util: ${adb_dumpcmd}, repdir: ${adb_reportdir}, repiface: ${adb_repiface:-"-"}, replisten: ${adb_replisten}, repchunksize: ${adb_repchunksize}, repchunkcnt: ${adb_repchunkcnt}, bg_pid: ${bg_pid}" f_log "debug" "f_report ::: action: ${adb_action}, report: ${adb_report}, search: ${1}, count: ${2}, process: ${3}, print: ${4}, dump_util: ${adb_dumpcmd}, repdir: ${adb_reportdir}, repiface: ${adb_repiface:-"-"}, replisten: ${adb_replisten}, repchunksize: ${adb_repchunksize}, repchunkcnt: ${adb_repchunkcnt}, bg_pid: ${bg_pid}"
} }
# awk selection
#
adb_awk="$(command -v gawk)"
if [ -z "${adb_awk}" ]
then
adb_awk="$(command -v awk)"
fi
# source required system libraries # source required system libraries
# #
if [ -r "/lib/functions.sh" ] && [ -r "/lib/functions/network.sh" ] && [ -r "/usr/share/libubox/jshn.sh" ] if [ -r "/lib/functions.sh" ] && [ -r "/lib/functions/network.sh" ] && [ -r "/usr/share/libubox/jshn.sh" ]
@ -1633,6 +1636,26 @@ else
f_log "err" "system libraries not found" f_log "err" "system libraries not found"
fi fi
# awk selection
#
adb_awk="$(command -v gawk)"
if [ -z "${adb_awk}" ]
then
adb_awk="$(command -v awk)"
if [ -z "${adb_awk}" ]
then
f_log "err" "awk not found"
fi
fi
# sort selection
#
adb_sort="$(command -v gnu-sort)"
if [ -z "${adb_sort}" ]
then
f_log "err" "gnu-sort not found"
fi
# version information # version information
# #
if [ "${adb_action}" = "version" ] if [ "${adb_action}" = "version" ]

23
net/adblock/files/adblock.sources
View file

@ -97,6 +97,13 @@
"focus": "tracking", "focus": "tracking",
"descurl": "https://github.com/Perflyst/PiHoleBlocklist" "descurl": "https://github.com/Perflyst/PiHoleBlocklist"
}, },
"games_tracking": {
"url": "https://raw.githubusercontent.com/KodoPengin/GameIndustry-hosts-Template/master/Main%20template/hosts",
"rule": "/^0\\.0\\.0\\.0[[:space:]]+([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($2)}",
"size": "S",
"focus": "tracking",
"descurl": "https://www.gameindustry.eu"
},
"gaming": { "gaming": {
"url": "https://raw.githubusercontent.com/stopgaming/pihole-blocklist/master/game.txt", "url": "https://raw.githubusercontent.com/stopgaming/pihole-blocklist/master/game.txt",
"rule": "/^0\\.0\\.0\\.0[[:space:]]+([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($2)}", "rule": "/^0\\.0\\.0\\.0[[:space:]]+([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($2)}",
@ -105,19 +112,12 @@
"descurl": "https://github.com/abyssin/pihole-blocklist" "descurl": "https://github.com/abyssin/pihole-blocklist"
}, },
"malwaredomains": { "malwaredomains": {
"url": "https://mirror1.malwaredomains.com/files/justdomains", "url": "https://mirror.cedia.org.ec/malwaredomains/justdomains",
"rule": "/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($1)}", "rule": "/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($1)}",
"size": "M", "size": "M",
"focus": "malware", "focus": "malware",
"descurl": "https://www.malwaredomains.com" "descurl": "https://www.malwaredomains.com"
}, },
"malwarelist": {
"url": "https://www.malwaredomainlist.com/hostslist/hosts.txt",
"rule": "/^127\\.0\\.0\\.1[[:space:]]+([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($2)}",
"size": "S",
"focus": "malware",
"descurl": "https://www.malwaredomainlist.com"
},
"notracking": { "notracking": {
"url": "https://raw.githubusercontent.com/notracking/hosts-blocklists/master/dnscrypt-proxy/dnscrypt-proxy.blacklist.txt", "url": "https://raw.githubusercontent.com/notracking/hosts-blocklists/master/dnscrypt-proxy/dnscrypt-proxy.blacklist.txt",
"rule": "/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($1)}", "rule": "/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($1)}",
@ -354,13 +354,6 @@
"focus": "win_telemetry", "focus": "win_telemetry",
"descurl": "https://github.com/crazy-max/WindowsSpyBlocker" "descurl": "https://github.com/crazy-max/WindowsSpyBlocker"
}, },
"youtube": {
"url": "https://raw.githubusercontent.com/kboghdady/youTube_ads_4_pi-hole/master/black.list",
"rule": "/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($1)}",
"size": "M",
"focus": "youtube",
"descurl": "https://github.com/kboghdady/youTube_ads_4_pi-hole"
},
"yoyo": { "yoyo": {
"url": "https://pgl.yoyo.org/adservers/serverlist.php?hostformat=nohtml&showintro=0&mimetype=plaintext", "url": "https://pgl.yoyo.org/adservers/serverlist.php?hostformat=nohtml&showintro=0&mimetype=plaintext",
"rule": "/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($1)}", "rule": "/^([[:alnum:]_-]{1,63}\\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower($1)}",