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75 lines
1.9 KiB
75 lines
1.9 KiB
#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# Network-wide ad blocking via your Raspberry Pi
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# http://pi-hole.net
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# Web interface settings
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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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args=("$@")
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helpFunc() {
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cat << EOM
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::: Set admin options for the web interface of pihole
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:::
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::: Usage: pihole -a [options]
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:::
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::: Options:
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::: -p, password Set web interface password, an empty input will remove any previously set password
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::: -c, celsius Set Celcius temperature unit
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::: -f, fahrenheit Set Fahrenheit temperature unit
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::: -h, --help Show this help dialog
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EOM
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exit 1
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}
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SetTemperatureUnit(){
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# Remove setting from file (create backup setupVars.conf.bak)
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sed -i.bak '/TEMPERATUREUNIT/d' /etc/pihole/setupVars.conf
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# Save setting to file
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if [[ $unit == "F" ]] ; then
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echo "TEMPERATUREUNIT=F" >> /etc/pihole/setupVars.conf
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else
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echo "TEMPERATUREUNIT=C" >> /etc/pihole/setupVars.conf
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fi
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}
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SetWebPassword(){
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# Remove password from file (create backup setupVars.conf.bak)
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sed -i.bak '/WEBPASSWORD/d' /etc/pihole/setupVars.conf
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# Set password only if there is one to be set
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if (( ${#args[2]} > 0 )) ; then
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# Compute password hash twice to avoid rainbow table vulnerability
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hash=$(echo -n ${args[2]} | sha256sum | sed 's/\s.*$//')
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hash=$(echo -n ${hash} | sha256sum | sed 's/\s.*$//')
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# Save hash to file
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echo "WEBPASSWORD=${hash}" >> /etc/pihole/setupVars.conf
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echo "New password set"
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else
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echo "Password removed"
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fi
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}
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for var in "$@"; do
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case "${var}" in
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"-p" | "password" ) SetWebPassword;;
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"-c" | "celsius" ) unit="C"; SetTemperatureUnit;;
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"-f" | "fahrenheit" ) unit="F"; SetTemperatureUnit;;
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"-h" | "--help" ) helpFunc;;
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esac
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done
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shift
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if [[ $# = 0 ]]; then
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helpFunc
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fi
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