mirror of
https://github.com/pi-hole/pi-hole.git
synced 2024-12-01 02:23:21 +00:00
2299600743
Why? For the glory of satan of course... Also, many people tends to use their PIs for multiple purposes. As mail servers, webpage hosting etc. Usually in that cases nginx is used as far more powerful alternative to lighttpd, and fair more lighter than apache. This patch allows them to unleash the power of pi-hole without too much hacking. Also, I'm the one of those people, and needed it ;).
574 lines
18 KiB
Bash
Executable file
574 lines
18 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# by Jacob Salmela
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# Network-wide ad blocking via your Raspberry Pi
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#
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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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# pi-hole.net/donate
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#
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# Install with this command (from your Pi):
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#
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# curl -L install.pi-hole.net | bash
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######## VARIABLES #########
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tmpLog=/tmp/pihole-install.log
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instalLogLoc=/etc/pihole/install.log
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webInterfaceGitUrl="https://github.com/pi-hole/AdminLTE.git"
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webInterfaceDir="/var/www/html/admin"
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piholeGitUrl="https://github.com/pi-hole/pi-hole.git"
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piholeFilesDir="/etc/.pihole"
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# Find the rows and columns
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rows=$(tput lines)
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columns=$(tput cols)
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# Divide by two so the dialogs take up half of the screen, which looks nice.
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r=$(( rows / 2 ))
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c=$(( columns / 2 ))
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# Find IP used to route to outside world
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IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}')
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IPv4addr=$(ip -o -f inet addr show dev $IPv4dev | awk '{print $4}' | awk 'END {print}')
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IPv4gw=$(ip route get 8.8.8.8 | awk '{print $3}')
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availableInterfaces=$(ip -o link | awk '{print $2}' | grep -v "lo" | cut -d':' -f1)
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dhcpcdFile=/etc/dhcpcd.conf
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######## FIRST CHECK ########
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# Must be root to install
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echo ":::"
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if [[ $EUID -eq 0 ]];then
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echo "::: You are root."
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else
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echo "::: sudo will be used for the install."
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# Check if it is actually installed
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# If it isn't, exit because the install cannot complete
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if [[ $(dpkg-query -s sudo) ]];then
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export SUDO="sudo"
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else
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echo "::: Please install sudo or run this as root."
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exit 1
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fi
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fi
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if [ -d "/etc/pihole" ]; then
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#Likely an existing install
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upgrade=true
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else
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upgrade=false
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fi
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####### FUNCTIONS ##########
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###All credit for the below function goes to http://fitnr.com/showing-a-bash-spinner.html
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spinner(){
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local pid=$1
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spin='-\|/'
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i=0
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while $SUDO kill -0 $pid 2>/dev/null
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do
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i=$(( (i+1) %4 ))
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printf "\b${spin:$i:1}"
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sleep .1
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done
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printf "\b"
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}
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backupLegacyPihole(){
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if [[ -f /etc/dnsmasq.d/adList.conf ]];then
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echo "Original Pi-hole detected. Initiating sub space transport"
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$SUDO mkdir -p /etc/pihole/original/
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$SUDO mv /etc/dnsmasq.d/adList.conf /etc/pihole/original/adList.conf.$(date "+%Y-%m-%d")
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$SUDO mv /etc/dnsmasq.conf /etc/pihole/original/dnsmasq.conf.$(date "+%Y-%m-%d")
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$SUDO mv /etc/resolv.conf /etc/pihole/original/resolv.conf.$(date "+%Y-%m-%d")
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if [[ -f /etc/lighttpd/lighttpd.conf ]]; then
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$SUDO mv /etc/lighttpd/lighttpd.conf /etc/pihole/original/lighttpd.conf.$(date "+%Y-%m-%d")
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fi
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if [[ -f /etc/nginx/conf.d/nginx-pi-hole.conf ]]; then
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$SUDO mv /etc/nginx/conf.d/nginx-pi-hole.conf /etc/pihole/original/nginx-pi-hole.conf.$(date "+%Y-%m-%d")
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fi
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$SUDO mv /var/www/pihole/index.html /etc/pihole/original/index.html.$(date "+%Y-%m-%d")
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$SUDO mv /usr/local/bin/gravity.sh /etc/pihole/original/gravity.sh.$(date "+%Y-%m-%d")
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else
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:
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fi
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}
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welcomeDialogs(){
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# Display the welcome dialog
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whiptail --msgbox --backtitle "Welcome" --title "Pi-hole automated installer" "This installer will transform your Raspberry Pi into a network-wide ad blocker!" $r $c
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# Support for a part-time dev
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whiptail --msgbox --backtitle "Plea" --title "Free and open source" "The Pi-hole is free, but powered by your donations: http://pi-hole.net/donate" $r $c
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# Explain the need for a static address
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whiptail --msgbox --backtitle "Initating network interface" --title "Static IP Needed" "The Pi-hole is a SERVER so it needs a STATIC IP ADDRESS to function properly.
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In the next section, you can choose to use your current network settings (DHCP) or to manually edit them." $r $c
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}
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chooseInterface(){
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# Turn the available interfaces into an array so it can be used with a whiptail dialog
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interfacesArray=()
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firstloop=1
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while read -r line
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do
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mode="OFF"
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if [[ $firstloop -eq 1 ]]; then
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firstloop=0
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mode="ON"
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fi
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interfacesArray+=("$line" "available" "$mode")
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done <<< "$availableInterfaces"
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# Find out how many interfaces are available to choose from
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interfaceCount=$(echo "$availableInterfaces" | wc -l)
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chooseInterfaceCmd=(whiptail --separate-output --radiolist "Choose An Interface" $r $c $interfaceCount)
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chooseInterfaceOptions=$("${chooseInterfaceCmd[@]}" "${interfacesArray[@]}" 2>&1 >/dev/tty)
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for desiredInterface in $chooseInterfaceOptions
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do
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piholeInterface=$desiredInterface
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echo "::: Using interface: $piholeInterface"
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echo ${piholeInterface} > /tmp/piholeINT
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done
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}
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chooseWebserver(){
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webserversArray=()
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webserversArray+=("lighttpd" "recommended if not sure, or building a standalone configuration" "ON")
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webserversArray+=("nginx" "for advanced users building custom solutions" "OFF")
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# Find out how many interfaces are available to choose from
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chooseWebserverCmd=(whiptail --separate-output --radiolist "Choose a Webserver" $r $c 2)
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chooseWebserverOptions=$("${chooseWebserverCmd[@]}" "${webserversArray[@]}" 2>&1 >/dev/tty)
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for desiredWebserver in $chooseWebserverOptions
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do
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piholeWebserver=$desiredWebserver
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echo "::: Using webserver: $piholeWebserver"
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echo ${piholeWebserver} > /tmp/piholeWEB
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done
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}
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use4andor6(){
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# Let use select IPv4 and/or IPv6
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cmd=(whiptail --separate-output --checklist "Select Protocols" $r $c 2)
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options=(IPv4 "Block ads over IPv4" on
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IPv6 "Block ads over IPv6" off)
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choices=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty)
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for choice in $choices
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do
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case $choice in
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IPv4 ) useIPv4=true;;
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IPv6 ) useIPv6=true;;
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esac
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done
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if [ $useIPv4 ] && [ ! $useIPv6 ]; then
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getStaticIPv4Settings
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setStaticIPv4
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echo "::: Using IPv4 on $IPv4addr"
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echo "::: IPv6 will NOT be used."
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fi
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if [ ! $useIPv4 ] && [ $useIPv6 ]; then
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useIPv6dialog
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echo "::: IPv4 will NOT be used."
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echo "::: Using IPv6 on $piholeIPv6"
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fi
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if [ $useIPv4 ] && [ $useIPv6 ]; then
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getStaticIPv4Settings
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setStaticIPv4
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useIPv6dialog
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echo "::: Using IPv4 on $IPv4addr"
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echo "::: Using IPv6 on $piholeIPv6"
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fi
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if [ ! $useIPv4 ] && [ ! $useIPv6 ]; then
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echo "::: Cannot continue, neither IPv4 or IPv6 selected"
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echo "::: Exiting"
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exit 1
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fi
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}
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useIPv6dialog(){
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piholeIPv6=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
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whiptail --msgbox --backtitle "IPv6..." --title "IPv6 Supported" "$piholeIPv6 will be used to block ads." $r $c
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$SUDO touch /etc/pihole/.useIPv6
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}
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getStaticIPv4Settings(){
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# Ask if the user wants to use DHCP settings as their static IP
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if (whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --yesno "Do you want to use your current network settings as a static address?
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IP address: $IPv4addr
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Gateway: $IPv4gw" $r $c) then
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# If they choose yes, let the user know that the IP address will not be available via DHCP and may cause a conflict.
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whiptail --msgbox --backtitle "IP information" --title "FYI: IP Conflict" "It is possible your router could still try to assign this IP to a device, which would cause a conflict. But in most cases the router is smart enough to not do that.
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If you are worried, either manually set the address, or modify the DHCP reservation pool so it does not include the IP you want.
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It is also possible to use a DHCP reservation, but if you are going to do that, you might as well set a static address." $r $c
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# Nothing else to do since the variables are already set above
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else
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# Otherwise, we need to ask the user to input their desired settings.
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# Start by getting the IPv4 address (pre-filling it with info gathered from DHCP)
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# Start a loop to let the user enter their information with the chance to go back and edit it if necessary
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until [[ $ipSettingsCorrect = True ]]
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do
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# Ask for the IPv4 address
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IPv4addr=$(whiptail --backtitle "Calibrating network interface" --title "IPv4 address" --inputbox "Enter your desired IPv4 address" $r $c $IPv4addr 3>&1 1>&2 2>&3)
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if [[ $? = 0 ]];then
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echo "Your static IPv4 address: $IPv4addr"
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# Ask for the gateway
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IPv4gw=$(whiptail --backtitle "Calibrating network interface" --title "IPv4 gateway (router)" --inputbox "Enter your desired IPv4 default gateway" $r $c $IPv4gw 3>&1 1>&2 2>&3)
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if [[ $? = 0 ]];then
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echo "Your static IPv4 gateway: $IPv4gw"
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# Give the user a chance to review their settings before moving on
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if (whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --yesno "Are these settings correct?
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IP address: $IPv4addr
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Gateway: $IPv4gw" $r $c)then
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# If the settings are correct, then we need to set the piholeIP
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# Saving it to a temporary file us to retrieve it later when we run the gravity.sh script
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echo ${IPv4addr%/*} > /tmp/piholeIP
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echo $piholeInterface > /tmp/piholeINT
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# After that's done, the loop ends and we move on
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ipSettingsCorrect=True
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else
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# If the settings are wrong, the loop continues
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ipSettingsCorrect=False
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fi
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else
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# Cancelling gateway settings window
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ipSettingsCorrect=False
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echo "User canceled."
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exit
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fi
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else
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# Cancelling IPv4 settings window
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ipSettingsCorrect=False
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echo "User canceled."
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exit
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fi
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done
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# End the if statement for DHCP vs. static
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fi
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}
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setDHCPCD(){
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#Append these lines to dhcpcd.conf to enable a static IP
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echo "interface $piholeInterface
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static ip_address=$IPv4addr
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static routers=$IPv4gw
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static domain_name_servers=$IPv4gw" | $SUDO tee -a $dhcpcdFile >/dev/null
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}
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setStaticIPv4(){
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if grep -q $IPv4addr $dhcpcdFile; then
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# address already set, noop
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:
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else
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setDHCPCD
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$SUDO ip addr replace dev $piholeInterface $IPv4addr
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echo ":::"
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echo "::: Setting IP to $IPv4addr. You may need to restart after the install is complete."
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echo ":::"
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fi
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}
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installScripts(){
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$SUDO echo ":::"
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$SUDO echo -n "::: Installing scripts..."
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$SUDO cp /etc/.pihole/gravity.sh /usr/local/bin/gravity.sh
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$SUDO cp /etc/.pihole/advanced/Scripts/chronometer.sh /usr/local/bin/chronometer.sh
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$SUDO cp /etc/.pihole/advanced/Scripts/whitelist.sh /usr/local/bin/whitelist.sh
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$SUDO cp /etc/.pihole/advanced/Scripts/blacklist.sh /usr/local/bin/blacklist.sh
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$SUDO cp /etc/.pihole/advanced/Scripts/piholeLogFlush.sh /usr/local/bin/piholeLogFlush.sh
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$SUDO cp /etc/.pihole/advanced/Scripts/updateDashboard.sh /usr/local/bin/updateDashboard.sh
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$SUDO chmod 755 /usr/local/bin/{gravity,chronometer,whitelist,blacklist,piholeLogFlush,updateDashboard}.sh
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$SUDO echo " done."
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}
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installConfigs(){
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$SUDO echo ":::"
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$SUDO echo -n "::: Installing configs..."
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$SUDO mv /etc/dnsmasq.conf /etc/dnsmasq.conf.orig
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$SUDO cp /etc/.pihole/advanced/dnsmasq.conf /etc/dnsmasq.conf
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if [ $piholeWebserver == 'lighttpd' ]; then
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$SUDO mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.orig
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$SUDO cp /etc/.pihole/advanced/lighttpd.conf /etc/lighttpd/lighttpd.conf
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fi
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if [ $piholeWebserver == 'nginx' ]; then
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$SUDO cp /etc/.pihole/advanced/nginx-pi-hole.conf /etc/nginx/conf.d/nginx-pi-hole.conf
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$SUDO rm /etc/nginx/sites-enabled/default
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fi
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$SUDO sed -i "s/@INT@/$piholeInterface/" /etc/dnsmasq.conf
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$SUDO echo " done."
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}
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stopServices(){
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$SUDO echo ":::"
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$SUDO echo -n "::: Stopping services..."
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$SUDO service dnsmasq stop & spinner $! || true
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if [ $piholeWebserver == 'lighttpd' ]; then
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$SUDO service lighttpd stop & spinner $! || true
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fi
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if [ $piholeWebserver == 'nginx' ]; then
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$SUDO service nginx stop & spinner $! || true
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fi
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$SUDO echo " done."
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}
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checkForDependencies(){
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#Running apt-get update/upgrade with minimal output can cause some issues with
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#requiring user input (e.g password for phpmyadmin see #218)
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#We'll change the logic up here, to check to see if there are any updates availible and
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# if so, advise the user to run apt-get update/upgrade at their own discretion
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#Check to see if apt-get update has already been run today
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# it needs to have been run at least once on new installs!
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timestamp=$(stat -c %Y /var/cache/apt/)
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timestampAsDate=$(date -d @$timestamp "+%b %e")
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today=$(date "+%b %e")
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if [ ! "$today" == "$timestampAsDate" ]; then
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#update package lists
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echo ":::"
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echo -n "::: apt-get update has not been run today. Running now..."
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$SUDO apt-get -qq update & spinner $!
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echo " done!"
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fi
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echo ":::"
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echo -n "::: Checking apt-get for upgraded packages...."
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updatesToInstall=$(sudo apt-get -s -o Debug::NoLocking=true upgrade | grep -c ^Inst)
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echo " done!"
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echo ":::"
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if [[ $updatesToInstall -eq "0" ]]; then
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echo "::: Your pi is up to date! Continuing with pi-hole installation..."
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else
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echo "::: There are $updatesToInstall updates availible for your pi!"
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echo "::: We recommend you run 'sudo apt-get upgrade' after installing Pi-Hole! "
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echo ":::"
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fi
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echo ":::"
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echo "::: Checking dependencies:"
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dependencies=( dnsutils bc toilet figlet dnsmasq git curl unzip wget )
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if [ $piholeWebserver == 'lighttpd' ]; then
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dependencies+=( lighttpd php5-cgi )
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if [ $(dpkg-query -W -f='${Status}' nginx 2>/dev/null | grep -c "ok installed") -eq 1 ]; then
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echo -n "::: Lighttpd selected, but nginx found! Uninstalling...."
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$SUDO apt-get -y -qq remove nginx > /dev/null & spinner $!
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$SUDO apt-get -y -qq autoremove > /dev/null & spinner $!
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echo " done!"
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fi
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fi
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if [ $piholeWebserver == 'nginx' ]; then
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dependencies+=( nginx php5-fpm )
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if [ $(dpkg-query -W -f='${Status}' lighttpd 2>/dev/null | grep -c "ok installed") -eq 1 ]; then
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echo -n "::: Nginx selected, but lighttpd found! Uninstalling...."
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$SUDO apt-get -y -qq remove lighttpd > /dev/null & spinner $!
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$SUDO apt-get -y -qq autoremove > /dev/null & spinner $!
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echo " done!"
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fi
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fi
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dependencies+=( php5-common php5 )
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for i in "${dependencies[@]}"
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do
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:
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echo -n "::: Checking for $i..."
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if [ $(dpkg-query -W -f='${Status}' $i 2>/dev/null | grep -c "ok installed") -eq 0 ]; then
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echo -n " Not found! Installing...."
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$SUDO apt-get -y -qq install $i > /dev/null & spinner $!
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echo " done!"
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else
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echo " already installed!"
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fi
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done
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}
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getGitFiles(){
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echo ":::"
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echo "::: Checking for existing base files..."
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if is_repo $piholeFilesDir; then
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make_repo $piholeFilesDir $piholeGitUrl
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else
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update_repo $piholeFilesDir
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fi
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echo ":::"
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echo "::: Checking for existing web interface..."
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if is_repo $webInterfaceDir; then
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make_repo $webInterfaceDir $webInterfaceGitUrl
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else
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update_repo $webInterfaceDir
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fi
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}
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is_repo() {
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echo -n "::: Checking $1 is a repo..."
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# if the directory does not have a .git folder
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# it is not a repo
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if [ -d "$1/.git" ]; then
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echo " OK!"
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return 1
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fi
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echo " not found!!"
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return 0
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}
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make_repo() {
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# remove the non-repod interface and clone the interface
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echo -n "::: Cloning $2 into $1..."
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$SUDO rm -rf $1
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$SUDO git clone -q "$2" "$1" > /dev/null & spinner $!
|
|
echo " done!"
|
|
}
|
|
|
|
update_repo() {
|
|
# pull the latest commits
|
|
echo -n "::: Updating repo in $1..."
|
|
cd "$1"
|
|
$SUDO git pull -q > /dev/null & spinner $!
|
|
echo " done!"
|
|
}
|
|
|
|
|
|
CreateLogFile(){
|
|
echo ":::"
|
|
$SUDO echo -n "::: Creating log file and changing owner to dnsmasq..."
|
|
if [ ! -f /var/log/pihole.log ]; then
|
|
$SUDO touch /var/log/pihole.log
|
|
$SUDO chmod 644 /var/log/pihole.log
|
|
$SUDO chown dnsmasq:root /var/log/pihole.log
|
|
$SUDO echo " done!"
|
|
else
|
|
$SUDO echo " already exists!"
|
|
fi
|
|
|
|
}
|
|
|
|
installPiholeWeb(){
|
|
$SUDO echo ":::"
|
|
$SUDO echo -n "::: Installing pihole custom index page..."
|
|
if [ -d "/var/www/html/pihole" ]; then
|
|
$SUDO echo " Existing page detected, not overwriting"
|
|
else
|
|
$SUDO mkdir /var/www/html/pihole
|
|
if [ $piholeWebserver == 'lighttpd' ]; then
|
|
$SUDO mv /var/www/html/index.lighttpd.html /var/www/html/index.lighttpd.orig
|
|
fi
|
|
if [ $piholeWebserver == 'nginx' ]; then
|
|
$SUDO mv /var/www/html/index.nginx-debian.html /var/www/html/index.nginx-debian.orig
|
|
fi
|
|
$SUDO cp /etc/.pihole/advanced/index.html /var/www/html/pihole/index.html
|
|
$SUDO echo " done!"
|
|
fi
|
|
|
|
}
|
|
|
|
installCron(){
|
|
$SUDO echo ":::"
|
|
$SUDO echo -n "::: Installing latest Cron script..."
|
|
$SUDO cp /etc/.pihole/advanced/pihole.cron /etc/cron.d/pihole
|
|
$SUDO echo " done!"
|
|
}
|
|
|
|
runGravity(){
|
|
$SUDO echo ":::"
|
|
$SUDO echo "::: Preparing to run gravity.sh to refresh hosts..."
|
|
if ls /etc/pihole/list* 1> /dev/null 2>&1; then
|
|
echo "::: Cleaning up previous install (preserving whitelist/blacklist)"
|
|
$SUDO rm /etc/pihole/list.*
|
|
fi
|
|
#Don't run as SUDO, this was causing issues
|
|
echo "::: Running gravity.sh"
|
|
echo ":::"
|
|
|
|
/usr/local/bin/gravity.sh
|
|
|
|
}
|
|
|
|
|
|
installPihole(){
|
|
checkForDependencies # done
|
|
stopServices
|
|
$SUDO mkdir -p /etc/pihole/
|
|
$SUDO chown www-data:www-data /var/www/html
|
|
$SUDO chmod 775 /var/www/html
|
|
$SUDO usermod -a -G www-data pi
|
|
if [ $piholeWebserver == 'lighttpd' ]; then
|
|
$SUDO lighty-enable-mod fastcgi fastcgi-php > /dev/null
|
|
fi
|
|
|
|
getGitFiles
|
|
installScripts
|
|
installConfigs
|
|
#installWebAdmin
|
|
CreateLogFile
|
|
installPiholeWeb
|
|
installCron
|
|
runGravity
|
|
}
|
|
|
|
displayFinalMessage(){
|
|
whiptail --msgbox --backtitle "Make it so." --title "Installation Complete!" "Configure your devices to use the Pi-hole as their DNS server using:
|
|
|
|
$IPv4addr
|
|
$piholeIPv6
|
|
|
|
If you set a new IP address, you should restart the Pi.
|
|
|
|
The install log is in /etc/pihole." $r $c
|
|
}
|
|
|
|
######## SCRIPT ############
|
|
# Start the installer
|
|
$SUDO mkdir -p /etc/pihole/
|
|
welcomeDialogs
|
|
|
|
# Just back up the original Pi-hole right away since it won't take long and it gets it out of the way
|
|
backupLegacyPihole
|
|
# Find interfaces and let the user choose one
|
|
chooseInterface
|
|
# Let the user decide which webserver they prefer
|
|
chooseWebserver
|
|
# Let the user decide if they want to block ads over IPv4 and/or IPv6
|
|
use4andor6
|
|
|
|
# Install and log everything to a file
|
|
installPihole | tee $tmpLog
|
|
|
|
# Move the log file into /etc/pihole for storage
|
|
$SUDO mv $tmpLog $instalLogLoc
|
|
|
|
displayFinalMessage
|
|
$SUDO service dnsmasq start
|
|
if [ $piholeWebserver == 'lighttpd' ]; then
|
|
$SUDO service lighttpd start
|
|
fi
|
|
if [ $piholeWebserver == 'nginx' ]; then
|
|
$SUDO service nginx start
|
|
fi
|