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pi-hole/advanced/Scripts/list.sh

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#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements
2017-02-22 17:55:20 +00:00
# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
# Network-wide ad blocking via your own hardware.
#
# Whitelist and blacklist domains
#
2017-02-22 17:55:20 +00:00
# This file is copyright under the latest version of the EUPL.
# Please see LICENSE file for your rights under this license.
# Globals
basename=pihole
piholeDir=/etc/"${basename}"
whitelist="${piholeDir}"/whitelist.txt
blacklist="${piholeDir}"/blacklist.txt
readonly regexlist="/etc/pihole/regex.list"
reload=false
addmode=true
verbose=true
wildcard=false
domList=()
listMain=""
listAlt=""
colfile="/opt/pihole/COL_TABLE"
source ${colfile}
helpFunc() {
if [[ "${listMain}" == "${whitelist}" ]]; then
param="w"
type="white"
elif [[ "${listMain}" == "${regexlist}" && "${wildcard}" == true ]]; then
param="-wild"
type="wildcard black"
elif [[ "${listMain}" == "${regexlist}" ]]; then
param="-regex"
type="regex black"
else
param="b"
type="black"
fi
echo "Usage: pihole -${param} [options] <domain> <domain2 ...>
Example: 'pihole -${param} site.com', or 'pihole -${param} site1.com site2.com'
${type^}list one or more domains
Options:
-d, --delmode Remove domain(s) from the ${type}list
-nr, --noreload Update ${type}list without refreshing dnsmasq
-q, --quiet Make output less verbose
-h, --help Show this help dialog
-l, --list Display all your ${type}listed domains
--nuke Removes all entries in a list"
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exit 0
}
EscapeRegexp() {
# This way we may safely insert an arbitrary
# string in our regular expressions
# This sed is intentionally executed in three steps to ease maintainability
# The first sed removes any amount of leading dots
echo $* | sed 's/^\.*//' | sed "s/[]\.|$(){}?+*^]/\\\\&/g" | sed "s/\\//\\\\\//g"
}
HandleOther() {
# Convert to lowercase
domain="${1,,}"
# Check validity of domain (don't check for regex entries)
if [[ "${#domain}" -le 253 ]]; then
if [[ "${listMain}" == "${regexlist}" && "${wildcard}" == false ]]; then
validDomain="${domain}"
else
validDomain=$(grep -P "^((-|_)*[a-z\\d]((-|_)*[a-z\\d])*(-|_)*)(\\.(-|_)*([a-z\\d]((-|_)*[a-z\\d])*))*$" <<< "${domain}") # Valid chars check
validDomain=$(grep -P "^[^\\.]{1,63}(\\.[^\\.]{1,63})*$" <<< "${validDomain}") # Length of each label
fi
fi
if [[ -n "${validDomain}" ]]; then
domList=("${domList[@]}" ${validDomain})
else
echo -e " ${CROSS} ${domain} is not a valid argument or domain name!"
fi
}
PoplistFile() {
# Check whitelist file exists, and if not, create it
if [[ ! -f "${whitelist}" ]]; then
touch "${whitelist}"
fi
# Check blacklist file exists, and if not, create it
if [[ ! -f "${blacklist}" ]]; then
touch "${blacklist}"
fi
for dom in "${domList[@]}"; do
# Logic: If addmode then add to desired list and remove from the other; if delmode then remove from desired list but do not add to the other
if ${addmode}; then
AddDomain "${dom}" "${listMain}"
RemoveDomain "${dom}" "${listAlt}"
else
RemoveDomain "${dom}" "${listMain}"
fi
done
}
AddDomain() {
list="$2"
domain=$(EscapeRegexp "$1")
[[ "${list}" == "${whitelist}" ]] && listname="whitelist"
[[ "${list}" == "${blacklist}" ]] && listname="blacklist"
if [[ "${list}" == "${whitelist}" || "${list}" == "${blacklist}" ]]; then
[[ "${list}" == "${whitelist}" && -z "${type}" ]] && type="--whitelist-only"
[[ "${list}" == "${blacklist}" && -z "${type}" ]] && type="--blacklist-only"
bool=true
# Is the domain in the list we want to add it to?
grep -Ex -q "${domain}" "${list}" > /dev/null 2>&1 || bool=false
if [[ "${bool}" == false ]]; then
# Domain not found in the whitelist file, add it!
if [[ "${verbose}" == true ]]; then
echo -e " ${INFO} Adding ${1} to ${listname}..."
fi
reload=true
# Add it to the list we want to add it to
echo "$1" >> "${list}"
else
if [[ "${verbose}" == true ]]; then
echo -e " ${INFO} ${1} already exists in ${listname}, no need to add!"
fi
fi
elif [[ "${list}" == "${regexlist}" ]]; then
[[ -z "${type}" ]] && type="--wildcard-only"
bool=true
domain="${1}"
[[ "${wildcard}" == true ]] && domain="((^)|(\\.))${domain//\./\\.}$"
# Is the domain in the list?
# Search only for exactly matching lines
grep -Fx "${domain}" "${regexlist}" > /dev/null 2>&1 || bool=false
if [[ "${bool}" == false ]]; then
if [[ "${verbose}" == true ]]; then
echo -e " ${INFO} Adding ${domain} to regex list..."
fi
reload="restart"
echo "$domain" >> "${regexlist}"
else
if [[ "${verbose}" == true ]]; then
echo -e " ${INFO} ${domain} already exists in regex list, no need to add!"
fi
fi
fi
}
RemoveDomain() {
list="$2"
domain=$(EscapeRegexp "$1")
[[ "${list}" == "${whitelist}" ]] && listname="whitelist"
[[ "${list}" == "${blacklist}" ]] && listname="blacklist"
if [[ "${list}" == "${whitelist}" || "${list}" == "${blacklist}" ]]; then
bool=true
[[ "${list}" == "${whitelist}" && -z "${type}" ]] && type="--whitelist-only"
[[ "${list}" == "${blacklist}" && -z "${type}" ]] && type="--blacklist-only"
# Is it in the list? Logic follows that if its whitelisted it should not be blacklisted and vice versa
grep -Ex -q "${domain}" "${list}" > /dev/null 2>&1 || bool=false
if [[ "${bool}" == true ]]; then
# Remove it from the other one
echo -e " ${INFO} Removing $1 from ${listname}..."
# /I flag: search case-insensitive
sed -i "/${domain}/Id" "${list}"
reload=true
else
if [[ "${verbose}" == true ]]; then
echo -e " ${INFO} ${1} does not exist in ${listname}, no need to remove!"
fi
fi
elif [[ "${list}" == "${regexlist}" ]]; then
[[ -z "${type}" ]] && type="--wildcard-only"
domain="${1}"
[[ "${wildcard}" == true ]] && domain="((^)|(\\.))${domain//\./\\.}$"
bool=true
# Is it in the list?
grep -Fx "${domain}" "${regexlist}" > /dev/null 2>&1 || bool=false
if [[ "${bool}" == true ]]; then
# Remove it from the other one
echo -e " ${INFO} Removing $domain from regex list..."
local lineNumber
lineNumber=$(grep -Fnx "$domain" "${list}" | cut -f1 -d:)
sed -i "${lineNumber}d" "${list}"
reload=true
else
if [[ "${verbose}" == true ]]; then
echo -e " ${INFO} ${domain} does not exist in regex list, no need to remove!"
fi
fi
fi
}
# Update Gravity
Reload() {
echo ""
pihole -g --skip-download "${type:-}"
}
Displaylist() {
if [[ -f ${listMain} ]]; then
if [[ "${listMain}" == "${whitelist}" ]]; then
string="gravity resistant domains"
else
string="domains caught in the sinkhole"
fi
verbose=false
echo -e "Displaying $string:\n"
count=1
while IFS= read -r RD || [ -n "${RD}" ]; do
echo " ${count}: ${RD}"
count=$((count+1))
done < "${listMain}"
else
echo -e " ${COL_LIGHT_RED}${listMain} does not exist!${COL_NC}"
fi
exit 0;
}
NukeList() {
if [[ -f "${listMain}" ]]; then
# Back up original list
cp "${listMain}" "${listMain}.bck~"
# Empty out file
echo "" > "${listMain}"
fi
}
for var in "$@"; do
case "${var}" in
"-w" | "whitelist" ) listMain="${whitelist}"; listAlt="${blacklist}";;
"-b" | "blacklist" ) listMain="${blacklist}"; listAlt="${whitelist}";;
"--wild" | "wildcard" ) listMain="${regexlist}"; wildcard=true;;
"--regex" | "regex" ) listMain="${regexlist}";;
"-nr"| "--noreload" ) reload=false;;
"-d" | "--delmode" ) addmode=false;;
"-q" | "--quiet" ) verbose=false;;
"-h" | "--help" ) helpFunc;;
"-l" | "--list" ) Displaylist;;
"--nuke" ) NukeList;;
* ) HandleOther "${var}";;
esac
done
shift
if [[ $# = 0 ]]; then
helpFunc
fi
PoplistFile
if [[ "${reload}" != false ]]; then
# Ensure that "restart" is used for Wildcard updates
Reload "${reload}"
fi