58 lines
1.8 KiB
Bash
Executable File
58 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# (c) 2015 by Jacob Salmela
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# This file is part of Pi-hole.
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#
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# Pi-hole is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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whitelist=/etc/pihole/whitelist.txt
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adList=/etc/pihole/gravity.list
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if [[ ! -f $whitelist ]];then
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touch $whitelist
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fi
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if [[ $# = 0 ]]; then
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echo "Immediately whitelists one or more domains."
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echo "Usage: whitelist.sh domain1 [domain2 ...]"
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fi
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combopattern=""
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# For each argument passed to this script
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for var in "$@"
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do
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echo "Whitelisting $var..."
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# Construct basic pattern to match domain name.
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basicpattern=$(echo $var | awk -F '[# \t]' 'NF>0&&$1!="" {print ""$1""}' | sed 's/\./\\./g')
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if [[ "$basicpattern" != "" ]]; then
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# Add to the combination pattern that will be used below
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if [[ "$combopattern" != "" ]]; then combopattern="$combopattern|"; fi
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combopattern="$combopattern$basicpattern"
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# Also add the domain to the whitelist but only if it's not already present
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grep -E -q "^$basicpattern$" $whitelist \
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|| echo "$var" >> $whitelist
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fi
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done
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# Now report on and remove matched domains
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if [[ "$combopattern" != "" ]]; then
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echo "Modifying hosts file..."
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# Construct pattern to match entry in hosts file.
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# This consists of one or more IP addresses followed by the domain name.
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pattern=$(echo $combopattern | awk -F '[# \t]' '{printf "%s", "^(([0-9]+\.){3}[0-9]+ +)+("$1")$"}')
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# Output what will be removed and then actually remove
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sed -r -n 's/'"$pattern"'/ Removed: \3/p' $adList
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sed -r -i '/'"$pattern"'/d' $adList
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echo "** $# domain(s) whitelisted."
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# Force dnsmasq to reload /etc/pihole/gravity.list
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kill -HUP $(pidof dnsmasq)
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fi
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