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pi-hole/advanced/Scripts/whitelist.sh

139 lines
3.0 KiB

#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements
# (c) 2015, 2016 by Jacob Salmela
# Network-wide ad blocking via your Raspberry Pi
# http://pi-hole.net
# Whitelists domains
#
# Pi-hole is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
helpFunc() {
cat << EOM
::: Immediately whitelists one or more domains in the hosts file
:::
::: Usage: pihole -w domain1 [domain2 ...]
:::
::: Options:
::: -d, --delmode Remove domains from the whitelist
::: -nr, --noreload Update Whitelist without refreshing dnsmasq
::: -q, --quiet output is less verbose
::: -h, --help Show this help dialog
::: -l, --list Display your whitelisted domains
EOM
exit 1
}
if [[ $# = 0 ]]; then
helpFunc
fi
#globals
basename=pihole
piholeDir=/etc/${basename}
adList=${piholeDir}/gravity.list
whitelist=${piholeDir}/whitelist.txt
reload=true
addmode=true
verbose=true
domList=()
domToRemoveList=()
HandleOther(){
#check validity of domain
validDomain=$(echo "$1" | perl -ne'print if /\b((?=[a-z0-9-]{1,63}\.)(xn--)?[a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,63}\b/')
if [ -z "${validDomain}" ]; then
echo "::: $1 is not a valid argument or domain name"
else
domList=("${domList[@]}" ${validDomain})
fi
}
PopWhitelistFile() {
#check whitelist file exists, and if not, create it
if [[ ! -f ${whitelist} ]]; then
touch ${whitelist}
fi
for dom in "${domList[@]}"; do
if ${addmode}; then
AddDomain "${dom}"
else
RemoveDomain "${dom}"
fi
done
}
AddDomain() {
#| sed 's/\./\\./g'
bool=false
grep -Ex -q "$1" ${whitelist} || bool=true
if ${bool}; then
#domain not found in the whitelist file, add it!
if ${verbose}; then
echo -n "::: Adding $1 to $whitelist..."
fi
echo "$1" >> ${whitelist}
if ${verbose}; then
echo " done!"
fi
else
if ${verbose}; then
echo "::: ${1} already exists in ${whitelist}, no need to add!"
fi
fi
}
RemoveDomain() {
bool=false
grep -Ex -q "$1" ${whitelist} || bool=true
if ${bool}; then
#Domain is not in the whitelist file, no need to Remove
if ${verbose}; then
echo "::: $1 is NOT whitelisted! No need to remove"
fi
else
echo "$1" | sed 's/\./\\./g' | xargs -I {} perl -i -ne'print unless /'{}'(?!.)/;' ${whitelist}
fi
}
Reload() {
# Reload hosts file
pihole -g -sd
}
DisplayWlist() {
verbose=false
echo -e " Displaying Gravity Resistant Domains \n"
count=1
while IFS= read -r RD; do
echo "${count}: ${RD}"
count=$((count+1))
done < "${whitelist}"
}
###################################################
for var in "$@"; do
case "${var}" in
"-nr"| "--noreload" ) reload=false;;
"-d" | "--delmode" ) addmode=false;;
"-f" | "--force" ) force=true;;
"-q" | "--quiet" ) verbose=false;;
"-h" | "--help" ) helpFunc;;
"-l" | "--list" ) DisplayWlist;;
* ) HandleOther "${var}";;
esac
done
PopWhitelistFile
if ${reload}; then
Reload
fi