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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# pi-hole ad blocker
#
# Adapted from instructions at:
# http://jacobsalmela.com/block-millions-ads-network-wide-with-a-raspberry-pi-hole-2-0/#manualsetup
#
# License
# =======
#
# Copyright (C) 2016 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
VARIANTS='full full-vim adblocker'
IN_DEFAULT_INSTALL=1
PIHOLE_IFACE=eth0
PIHOLE_DNS1='85.214.73.63'
PIHOLE_DNS2='213.73.91.35'
piholeBasename=pihole
piholeDir=/etc/$piholeBasename
PIHOLE_ADLIST=$piholeDir/gravity.list
PIHOLE_BLACKLIST=$piholeDir/blacklist.txt
PIHOLE_WHITELIST=$piholeDir/whitelist.txt
PIHOLE_REPO="https://github.com/pi-hole/pi-hole"
PIHOLE_COMMIT='69e3a45083bd311aecdbc3935986dac5ce64caa8'
pihole_variables=(ONION_ONLY
PIHOLE_IFACE
PIHOLE_DNS1
PIHOLE_DNS2)
function pihole_copy_files {
cp $INSTALL_DIR/pihole/adlists.default $piholeDir/adlists.default
cp $INSTALL_DIR/pihole/adlists.default $PIHOLE_ADLIST
cp $INSTALL_DIR/pihole/advanced/Scripts/* /opt/$piholeBasename
cp $INSTALL_DIR/pihole/advanced/01-pihole.conf /etc/dnsmasq.d/01-pihole.conf
cp $INSTALL_DIR/pihole/advanced/pihole.cron /etc/cron.d/pihole
cp $INSTALL_DIR/pihole/gravity.sh /opt/$piholeBasename
}
function pihole_change_ipv4 {
new_ipv4="$1"
if [ -f /usr/local/bin/pihole ]; then
setupVars=$piholeDir/setupVars.conf
if [ -f $setupVars ]; then
sed -i "s|IPv4_address=.*|IPv4_address=${new_ipv4}|g" $setupVars
fi
fi
}
function pihole_update {
if [ ! -f /usr/local/bin/gravity.sh ]; then
return
fi
if [ ! -f $HOME/${PROJECT_NAME}-wifi.cfg ]; then
PIHOLE_IFACE=eth0
else
read_config_param WIFI_INTERFACE
PIHOLE_IFACE=$WIFI_INTERFACE
fi
IPv4_address="$(get_ipv4_address)"
IPv6_address="$(get_ipv6_address)"
setupVars=$piholeDir/setupVars.conf
echo "piholeInterface=${PIHOLE_IFACE}" > ${setupVars}
echo "IPv4_address=${IPv4_address}" >> ${setupVars}
echo "IPv6_address=${IPv6_address}" >> ${setupVars}
echo "piholeDNS1=${PIHOLE_DNS1}" >> ${setupVars}
echo "piholeDNS2=${PIHOLE_DNS1}" >> ${setupVars}
echo 'domain-needed' > /etc/dnsmasq.conf
echo 'bogus-priv' >> /etc/dnsmasq.conf
echo 'no-resolv' >> /etc/dnsmasq.conf
echo "server=${PIHOLE_DNS1}" >> /etc/dnsmasq.conf
echo "server=${PIHOLE_DNS2}" >> /etc/dnsmasq.conf
echo "interface=${PIHOLE_IFACE}" >> /etc/dnsmasq.conf
echo 'listen-address=127.0.0.1' >> /etc/dnsmasq.conf
echo 'log-queries' >> /etc/dnsmasq.conf
sed -i "s|@DNS1@|${PIHOLE_DNS1}|g" /etc/dnsmasq.d/01-pihole.conf
sed -i "s|@DNS2@|${PIHOLE_DNS2}|g" /etc/dnsmasq.d/01-pihole.conf
sed -i "s|interface=.*|interface=${PIHOLE_IFACE}|g" /etc/dnsmasq.d/01-pihole.conf
sed -i "s|@IPv4@|${IPv4_address}|g" /etc/dnsmasq.d/01-pihole.conf
if [ ${#IPv6_address} -gt 0 ]; then
sed -i "s|@IPv6@|${IPv6_address}|g" /etc/dnsmasq.d/01-pihole.conf
else
sed -i '/@IPv6@/d' /etc/dnsmasq.d/01-pihole.conf
fi
sed -i "s|@HOSTNAME@|$HOSTNAME|g" /etc/dnsmasq.d/01-pihole.conf
sed -i "s|addn-hosts=.*|addn-hosts=${PIHOLE_ADLIST}|g" /etc/dnsmasq.d/01-pihole.conf
systemctl restart dnsmasq
pihole -g
}
function pihole_change_upstream_dns {
data=$(tempfile 2>/dev/null)
trap "rm -f $data" 0 1 2 5 15
dialog --backtitle $"Ad Blocker Upstream DNS" \
--radiolist $"Pick a domain name service (DNS):" 25 50 16 \
1 $"Digital Courage" on \
2 $"German Privacy Foundation 1" off \
3 $"German Privacy Foundation 2" off \
4 $"Chaos Computer Club" off \
5 $"ClaraNet" off \
6 $"OpenNIC 1" off \
7 $"OpenNIC 2" off \
8 $"OpenNIC 3" off \
9 $"OpenNIC 4" off \
10 $"OpenNIC 5" off \
11 $"OpenNIC 6" off \
12 $"OpenNIC 7" off \
13 $"PowerNS" off \
14 $"ValiDOM" off \
15 $"Freie Unzensierte" off \
16 $"Google" off 2> $data
sel=$?
case $sel in
1) exit 1;;
255) exit 1;;
esac
case $(cat $data) in
1) PIHOLE_DNS1='85.214.73.63'
PIHOLE_DNS2='213.73.91.35'
;;
2) PIHOLE_DNS1='87.118.100.175'
PIHOLE_DNS2='94.75.228.29'
;;
3) PIHOLE_DNS1='85.25.251.254'
PIHOLE_DNS2='2.141.58.13'
;;
4) PIHOLE_DNS1='213.73.91.35'
PIHOLE_DNS2='85.214.73.63'
;;
5) PIHOLE_DNS1='212.82.225.7'
PIHOLE_DNS2='212.82.226.212'
;;
6) PIHOLE_DNS1='58.6.115.42'
PIHOLE_DNS2='58.6.115.43'
;;
7) PIHOLE_DNS1='119.31.230.42'
PIHOLE_DNS2='200.252.98.162'
;;
8) PIHOLE_DNS1='217.79.186.148'
PIHOLE_DNS2='81.89.98.6'
;;
9) PIHOLE_DNS1='78.159.101.37'
PIHOLE_DNS2='203.167.220.153'
;;
10) PIHOLE_DNS1='82.229.244.191'
PIHOLE_DNS2='82.229.244.191'
;;
11) PIHOLE_DNS1='216.87.84.211'
PIHOLE_DNS2='66.244.95.20'
;;
12) PIHOLE_DNS1='207.192.69.155'
PIHOLE_DNS2='72.14.189.120'
;;
13) PIHOLE_DNS1='194.145.226.26'
PIHOLE_DNS2='77.220.232.44'
;;
14) PIHOLE_DNS1='78.46.89.147'
PIHOLE_DNS2='88.198.75.145'
;;
15) PIHOLE_DNS1='85.25.149.144'
PIHOLE_DNS2='87.106.37.196'
;;
16) PIHOLE_DNS1='8.8.8.8'
PIHOLE_DNS2='4.4.4.4'
;;
255) exit 1;;
esac
write_config_param "PIHOLE_DNS1" "$PIHOLE_DNS1"
write_config_param "PIHOLE_DNS2" "$PIHOLE_DNS2"
}
function update_pihole_interactive {
clear
echo $'Updating Ad Blocker Lists'
echo ''
pihole_update
}
function configure_firewall_for_pihole {
if [[ $(is_completed $FUNCNAME) == "1" ]]; then
return
fi
firewall_add DNS 53
mark_completed $FUNCNAME
}
function pihole_pause {
pihole disable
dialog --title $"Pause Ad Blocker" \
--msgbox $"Ad blocking is paused" 6 60
}
function pihole_resume {
pihole enable
dialog --title $"Resume Ad Blocker" \
--msgbox $"Ad blocking has resumed" 6 60
}
function configure_interactive_pihole {
while true
do
data=$(tempfile 2>/dev/null)
trap "rm -f $data" 0 1 2 5 15
dialog --backtitle $"Freedombone Control Panel" \
--title $"Ad Blocker" \
--radiolist $"Choose an operation:" 16 70 7 \
1 $"Edit ads list" off \
2 $"Edit blacklisted domain names" off \
3 $"Edit whitelisted domain names" off \
4 $"Change upstream DNS servers" off \
5 $"Pause blocker" off \
6 $"Resume blocker" off \
7 $"Exit" on 2> $data
sel=$?
case $sel in
1) exit 1;;
255) exit 1;;
esac
case $(cat $data) in
1) editor $PIHOLE_ADLIST
update_pihole_interactive
;;
2) editor $PIHOLE_BLACKLIST
update_pihole_interactive
;;
3) editor $PIHOLE_WHITELIST
update_pihole_interactive
;;
4) pihole_change_upstream_dns
update_pihole_interactive
;;
5) pihole_pause
;;
6) pihole_resume
;;
7) break;;
esac
done
}
function install_interactive_pihole {
APP_INSTALLED=1
}
function change_password_pihole {
echo -n ''
}
function reconfigure_pihole {
echo -n ''
}
function upgrade_pihole {
function_check set_repo_commit
set_repo_commit $INSTALL_DIR/pihole "pihole commit" "$PIHOLE_COMMIT" $PIHOLE_REPO
pihole_copy_files
pihole_update
}
function backup_local_pihole {
function_check backup_directory_to_usb
backup_directory_to_usb $piholeDir pihole
}
function restore_local_pihole {
function_check restore_directory_from_usb
restore_directory_from_usb / pihole
}
function backup_remote_pihole {
function_check backup_directory_to_friend
backup_directory_to_friend $piholeDir pihole
}
function restore_remote_pihole {
function_check restore_directory_from_friend
restore_directory_from_friend / pihole
}
function remove_pihole {
apt-get -yq remove --purge dnsmasq
if [ ! -d /var/www/pihole ]; then
rm -rf /var/www/pihole
fi
if [ -f /usr/local/bin/gravity.sh ]; then
rm /usr/local/bin/gravity.sh
fi
if [ -f /usr/local/bin/pihole ]; then
rm /usr/local/bin/pihole
fi
if [ -d /opt/pihole ]; then
rm -rf /opt/pihole
fi
if [ -d $piholeDir ]; then
rm -rf $piholeDir
fi
if [ -f /var/log/pihole.log ]; then
rm /var/log/pihole.log
fi
if [ -f /etc/cron.d/pihole ]; then
rm /etc/cron.d/pihole
fi
if [ -d $INSTALL_DIR/pihole ]; then
rm -rf $INSTALL_DIR/pihole
fi
firewall_remove 53
userdel -r pihole
}
function install_pihole {
apt-get -yq install dnsmasq curl resolvconf
adduser --disabled-login --gecos 'pi-hole' pihole
usermod -a -G www-data pihole
systemctl enable dnsmasq
if [ ! -d $INSTALL_DIR ]; then
mkdir -p $INSTALL_DIR
fi
if [ ! -d $INSTALL_DIR/pihole ]; then
cd $INSTALL_DIR
git_clone $PIHOLE_REPO pihole
if [ ! -d $INSTALL_DIR/pihole ]; then
exit 523925
fi
cd $INSTALL_DIR/pihole
git checkout $PIHOLE_COMMIT -b $PIHOLE_COMMIT
set_completion_param "pihole commit" "$PIHOLE_COMMIT"
fi
if [ ! -d /var/www/pihole/htdocs ]; then
mkdir -p /var/www/pihole/htdocs
fi
# blank file which takes the place of ads
echo '<html>' > /var/www/pihole/htdocs/index.html
echo '<body>' >> /var/www/pihole/htdocs/index.html
echo '</body>' >> /var/www/pihole/htdocs/index.html
echo '</html>' >> /var/www/pihole/htdocs/index.html
if [ ! -f $INSTALL_DIR/pihole/gravity.sh ]; then
exit 26738
fi
cp $INSTALL_DIR/pihole/gravity.sh /usr/local/bin/gravity.sh
chmod 755 /usr/local/bin/gravity.sh
if [ ! -f $INSTALL_DIR/pihole/pihole ]; then
exit 52935
fi
cp $INSTALL_DIR/pihole/pihole /usr/local/bin/pihole
chmod 755 /usr/local/bin/pihole
if [ ! -d $piholeDir ]; then
mkdir $piholeDir
fi
if [ ! -d /opt/pihole ]; then
mkdir -p /opt/pihole
fi
pihole_copy_files
chown -R www-data:www-data /var/www/pihole/htdocs
configure_firewall_for_pihole
pihole_update
APP_INSTALLED=1
}
# NOTE: deliberately no exit 0