mirror of
https://github.com/pi-hole/pi-hole.git
synced 2024-11-15 10:43:55 +00:00
1089 lines
36 KiB
Bash
Executable file
1089 lines
36 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2015, 2016 by Jacob Salmela
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# Network-wide ad blocking via your Raspberry Pi
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# http://pi-hole.net
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# Installs 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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set -e
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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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setupVars=/etc/pihole/setupVars.conf
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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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useUpdateVars=false
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IPv4_address=""
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IPv6_address=""
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# Find the rows and columns will default to 80x24 is it can not be detected
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screen_size=$(stty size 2>/dev/null || echo 24 80)
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rows=$(echo $screen_size | awk '{print $1}')
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columns=$(echo $screen_size | awk '{print $2}')
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# Divide by two so the dialogs take up half of the screen, which looks nice.
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r=$(( rows / 2 ))
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c=$(( columns / 2 ))
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# Unless the screen is tiny
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r=$(( r < 20 ? 20 : r ))
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c=$(( c < 70 ? 70 : c ))
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######## Undocumented Flags. Shhh ########
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skipSpaceCheck=false
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reconfigure=false
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runUnattended=false
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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 [[ ${EUID} -eq 0 ]]; then
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echo "::: You are root."
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else
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echo "::: Script called with non-root privileges. The Pi-hole installs server packages and configures"
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echo "::: system networking, it requires elevated rights. Please check the contents of the script for"
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echo "::: any concerns with this requirement. Please be sure to download this script from a trusted source."
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echo ":::"
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echo "::: Detecting the presence of the sudo utility for continuation of this install..."
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if [ -x "$(command -v sudo)" ]; then
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echo "::: Utility sudo located."
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exec curl -sSL https://install.pi-hole.net | sudo bash "$@"
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exit $?
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else
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echo "::: sudo is needed for the Web interface to run pihole commands. Please run this script as root and it will be automatically installed."
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exit 1
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fi
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fi
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# Compatibility
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if [ -x "$(command -v apt-get)" ]; then
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#Debian Family
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#Decide if php should be `php5` or just `php` (Fixes issues with Ubuntu 16.04 LTS)
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phpVer="php5"
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apt-get install --dry-run php5 > /dev/null 2>&1 || phpVer="php"
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#############################################
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PKG_MANAGER="apt-get"
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PKG_CACHE="/var/lib/apt/lists/"
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UPDATE_PKG_CACHE="${PKG_MANAGER} update"
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PKG_UPDATE="${PKG_MANAGER} upgrade"
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PKG_INSTALL="${PKG_MANAGER} --yes --fix-missing install"
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# grep -c will return 1 retVal on 0 matches, block this throwing the set -e with an OR TRUE
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PKG_COUNT="${PKG_MANAGER} -s -o Debug::NoLocking=true upgrade | grep -c ^Inst || true"
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INSTALLER_DEPS=( apt-utils whiptail git dhcpcd5)
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PIHOLE_DEPS=( dnsutils bc dnsmasq lighttpd ${phpVer}-common ${phpVer}-cgi curl unzip wget sudo netcat cron iproute2 )
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LIGHTTPD_USER="www-data"
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LIGHTTPD_GROUP="www-data"
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LIGHTTPD_CFG="lighttpd.conf.debian"
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DNSMASQ_USER="dnsmasq"
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package_check_install() {
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dpkg-query -W -f='${Status}' "${1}" 2>/dev/null | grep -c "ok installed" || ${PKG_INSTALL} "${1}"
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}
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elif [ -x "$(command -v rpm)" ]; then
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# Fedora Family
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if [ -x "$(command -v dnf)" ]; then
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PKG_MANAGER="dnf"
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else
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PKG_MANAGER="yum"
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fi
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PKG_CACHE="/var/cache/${PKG_MANAGER}"
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UPDATE_PKG_CACHE="${PKG_MANAGER} check-update"
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PKG_UPDATE="${PKG_MANAGER} update -y"
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PKG_INSTALL="${PKG_MANAGER} install -y"
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PKG_COUNT="${PKG_MANAGER} check-update | egrep '(.i686|.x86|.noarch|.arm|.src)' | wc -l"
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INSTALLER_DEPS=( iproute net-tools procps-ng newt git )
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PIHOLE_DEPS=( epel-release bind-utils bc dnsmasq lighttpd lighttpd-fastcgi php-common php-cli php curl unzip wget findutils cronie sudo nmap-ncat )
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if grep -q 'Fedora' /etc/redhat-release; then
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remove_deps=(epel-release);
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PIHOLE_DEPS=( ${PIHOLE_DEPS[@]/$remove_deps} );
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fi
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LIGHTTPD_USER="lighttpd"
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LIGHTTPD_GROUP="lighttpd"
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LIGHTTPD_CFG="lighttpd.conf.fedora"
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DNSMASQ_USER="nobody"
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package_check_install() {
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rpm -qa | grep ^"${1}"- > /dev/null || ${PKG_INSTALL} "${1}"
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}
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else
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echo "OS distribution not supported"
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exit
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fi
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####### FUNCTIONS ##########
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spinner() {
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local pid=$1
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local delay=0.50
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local spinstr='/-\|'
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while [ "$(ps a | awk '{print $1}' | grep "${pid}")" ]; do
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local temp=${spinstr#?}
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printf " [%c] " "${spinstr}"
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local spinstr=${temp}${spinstr%"$temp"}
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sleep ${delay}
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printf "\b\b\b\b\b\b"
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done
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printf " \b\b\b\b"
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}
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find_IPv4_information() {
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# Find IP used to route to outside world
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IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}')
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IPv4_address=$(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 $3}')
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}
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get_available_interfaces() {
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# Get available interfaces. Consider only getting UP interfaces in the future, and leaving DOWN interfaces out of list.
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availableInterfaces=$(ip -o link | awk '{print $2}' | grep -v "lo" | cut -d':' -f1 | cut -d'@' -f1)
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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" "\n\nThis installer will transform your device 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" "\n\nThe 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 "Initiating network interface" --title "Static IP Needed" "\n\nThe 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} ${c}
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}
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verifyFreeDiskSpace() {
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# 50MB is the minimum space needed (45MB install (includes web admin bootstrap/jquery libraries etc) + 5MB one day of logs.)
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# - Fourdee: Local ensures the variable is only created, and accessible within this function/void. Generally considered a "good" coding practice for non-global variables.
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echo "::: Verifying free disk space..."
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local required_free_kilobytes=51200
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local existing_free_kilobytes=$(df -Pk | grep -m1 '\/$' | awk '{print $4}')
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# - Unknown free disk space , not a integer
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if ! [[ "${existing_free_kilobytes}" =~ ^([0-9])+$ ]]; then
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echo "::: Unknown free disk space!"
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echo "::: We were unable to determine available free disk space on this system."
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echo "::: You may override this check and force the installation, however, it is not recommended"
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echo "::: To do so, pass the argument '--i_do_not_follow_recommendations' to the install script"
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echo "::: eg. curl -L https://install.pi-hole.net | bash /dev/stdin --i_do_not_follow_recommendations"
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exit 1
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# - Insufficient free disk space
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elif [[ ${existing_free_kilobytes} -lt ${required_free_kilobytes} ]]; then
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echo "::: Insufficient Disk Space!"
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echo "::: Your system appears to be low on disk space. pi-hole recommends a minimum of $required_free_kilobytes KiloBytes."
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echo "::: You only have ${existing_free_kilobytes} KiloBytes free."
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echo "::: If this is a new install you may need to expand your disk."
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echo "::: Try running 'sudo raspi-config', and choose the 'expand file system option'"
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echo "::: After rebooting, run this installation again. (curl -L https://install.pi-hole.net | bash)"
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echo "Insufficient free space, exiting..."
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exit 1
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fi
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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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local interfacesArray=()
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# Number of available interfaces
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local interfaceCount
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# Whiptail variable storage
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local chooseInterfaceCmd
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# Temporary Whiptail options storage
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local chooseInterfaceOptions
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# Loop sentinel variable
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local firstLoop=1
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while read -r line; 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 (press space to select)" ${r} ${c} ${interfaceCount})
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chooseInterfaceOptions=$("${chooseInterfaceCmd[@]}" "${interfacesArray[@]}" 2>&1 >/dev/tty)
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if [[ $? = 0 ]]; then
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for desiredInterface in ${chooseInterfaceOptions}; do
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piholeInterface=${desiredInterface}
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echo "::: Using interface: $piholeInterface"
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done
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else
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echo "::: Cancel selected, exiting...."
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exit 1
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fi
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}
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useIPv6dialog() {
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# Show the IPv6 address used for blocking
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IPv6_address=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
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whiptail --msgbox --backtitle "IPv6..." --title "IPv6 Supported" "$IPv6_address will be used to block ads." ${r} ${c}
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}
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use4andor6() {
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local useIPv4
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local useIPv6
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# Let use select IPv4 and/or IPv6
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cmd=(whiptail --separate-output --checklist "Select Protocols (press space to select)" ${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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if [[ $? = 0 ]];then
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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} ]]; then
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find_IPv4_information
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getStaticIPv4Settings
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setStaticIPv4
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fi
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if [[ ${useIPv6} ]]; then
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useIPv6dialog
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fi
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echo "::: IPv4 address: ${IPv4_address}"
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echo "::: IPv6 address: ${IPv6_address}"
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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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else
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echo "::: Cancel selected. Exiting..."
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exit 1
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fi
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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: ${IPv4_address}
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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 [[ ${ipSettingsCorrect} = True ]]; do
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# Ask for the IPv4 address
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IPv4_address=$(whiptail --backtitle "Calibrating network interface" --title "IPv4 address" --inputbox "Enter your desired IPv4 address" ${r} ${c} "${IPv4_address}" 3>&1 1>&2 2>&3)
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if [[ $? = 0 ]]; then
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echo "::: Your static IPv4 address: ${IPv4_address}"
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# Ask for the gateway
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IPv4gw=$(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: ${IPv4_address}
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Gateway: ${IPv4gw}" ${r} ${c}); then
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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 "::: Cancel selected. Exiting..."
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exit 1
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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 "::: Cancel selected. Exiting..."
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exit 1
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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 ${piholeInterface}
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static ip_address=${IPv4_address}
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static routers=${IPv4gw}
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static domain_name_servers=${IPv4gw}" | tee -a /etc/dhcpcd.conf >/dev/null
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}
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setStaticIPv4() {
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local IFCFG_FILE
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local IPADDR
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local CIDR
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if [[ -f /etc/dhcpcd.conf ]]; then
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# Debian Family
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if grep -q "${IPv4_address}" /etc/dhcpcd.conf; then
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echo "::: Static IP already configured"
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else
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setDHCPCD
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ip addr replace dev "${piholeInterface}" "${IPv4_address}"
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echo ":::"
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echo "::: Setting IP to ${IPv4_address}. You may need to restart after the install is complete."
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echo ":::"
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fi
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elif [[ -f /etc/sysconfig/network-scripts/ifcfg-${piholeInterface} ]];then
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# Fedora Family
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IFCFG_FILE=/etc/sysconfig/network-scripts/ifcfg-${piholeInterface}
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if grep -q "${IPv4_address}" "${IFCFG_FILE}"; then
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echo "::: Static IP already configured"
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else
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IPADDR=$(echo "${IPv4_address}" | cut -f1 -d/)
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CIDR=$(echo "${IPv4_address}" | cut -f2 -d/)
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# Backup existing interface configuration:
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cp "${IFCFG_FILE}" "${IFCFG_FILE}".pihole.orig
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# Build Interface configuration file:
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{
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echo "# Configured via Pi-Hole installer"
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echo "DEVICE=$piholeInterface"
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echo "BOOTPROTO=none"
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echo "ONBOOT=yes"
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echo "IPADDR=$IPADDR"
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echo "PREFIX=$CIDR"
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echo "GATEWAY=$IPv4gw"
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echo "DNS1=$piholeDNS1"
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echo "DNS2=$piholeDNS2"
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echo "USERCTL=no"
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}>> "${IFCFG_FILE}"
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ip addr replace dev "${piholeInterface}" "${IPv4_address}"
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if [ -x "$(command -v nmcli)" ];then
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# Tell NetworkManager to read our new sysconfig file
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nmcli con load "${IFCFG_FILE}" > /dev/null
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fi
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echo ":::"
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echo "::: Setting IP to ${IPv4_address}. You may need to restart after the install is complete."
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echo ":::"
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fi
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else
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echo "::: Warning: Unable to locate configuration file to set static IPv4 address!"
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exit 1
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fi
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}
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valid_ip() {
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local ip=${1}
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local stat=1
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if [[ ${ip} =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
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OIFS=$IFS
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IFS='.'
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ip=(${ip})
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IFS=${OIFS}
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[[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
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&& ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
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stat=$?
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fi
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return ${stat}
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}
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setDNS() {
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DNSChooseCmd=(whiptail --separate-output --radiolist "Select Upstream DNS Provider. To use your own, select Custom." ${r} ${c} 6)
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DNSChooseOptions=(Google "" on
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OpenDNS "" off
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Level3 "" off
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Norton "" off
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Comodo "" off
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Custom "" off)
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DNSchoices=$("${DNSChooseCmd[@]}" "${DNSChooseOptions[@]}" 2>&1 >/dev/tty)
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if [[ $? = 0 ]];then
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case ${DNSchoices} in
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Google)
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echo "::: Using Google DNS servers."
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piholeDNS1="8.8.8.8"
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piholeDNS2="8.8.4.4"
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;;
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OpenDNS)
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echo "::: Using OpenDNS servers."
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piholeDNS1="208.67.222.222"
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piholeDNS2="208.67.220.220"
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;;
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Level3)
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echo "::: Using Level3 servers."
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piholeDNS1="4.2.2.1"
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piholeDNS2="4.2.2.2"
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;;
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Norton)
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echo "::: Using Norton ConnectSafe servers."
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piholeDNS1="199.85.126.10"
|
|
piholeDNS2="199.85.127.10"
|
|
;;
|
|
Comodo)
|
|
echo "::: Using Comodo Secure servers."
|
|
piholeDNS1="8.26.56.26"
|
|
piholeDNS2="8.20.247.20"
|
|
;;
|
|
Custom)
|
|
until [[ ${DNSSettingsCorrect} = True ]]; do
|
|
strInvalid="Invalid"
|
|
if [ ! ${piholeDNS1} ]; then
|
|
if [ ! ${piholeDNS2} ]; then
|
|
prePopulate=""
|
|
else
|
|
prePopulate=", ${piholeDNS2}"
|
|
fi
|
|
elif [ ${piholeDNS1} ] && [ ! ${piholeDNS2} ]; then
|
|
prePopulate="${piholeDNS1}"
|
|
elif [ ${piholeDNS1} ] && [ ${piholeDNS2} ]; then
|
|
prePopulate="${piholeDNS1}, ${piholeDNS2}"
|
|
fi
|
|
|
|
piholeDNS=$(whiptail --backtitle "Specify Upstream DNS Provider(s)" --inputbox "Enter your desired upstream DNS provider(s), seperated by a comma.\n\nFor example '8.8.8.8, 8.8.4.4'" ${r} ${c} "${prePopulate}" 3>&1 1>&2 2>&3)
|
|
|
|
if [[ $? = 0 ]]; then
|
|
piholeDNS1=$(echo "${piholeDNS}" | sed 's/[, \t]\+/,/g' | awk -F, '{print$1}')
|
|
piholeDNS2=$(echo "${piholeDNS}" | sed 's/[, \t]\+/,/g' | awk -F, '{print$2}')
|
|
if ! valid_ip "${piholeDNS1}" || [ ! "${piholeDNS1}" ]; then
|
|
piholeDNS1=${strInvalid}
|
|
fi
|
|
if ! valid_ip "${piholeDNS2}" && [ "${piholeDNS2}" ]; then
|
|
piholeDNS2=${strInvalid}
|
|
fi
|
|
else
|
|
echo "::: Cancel selected, exiting...."
|
|
exit 1
|
|
fi
|
|
if [[ ${piholeDNS1} == "${strInvalid}" ]] || [[ ${piholeDNS2} == "${strInvalid}" ]]; then
|
|
whiptail --msgbox --backtitle "Invalid IP" --title "Invalid IP" "One or both entered IP addresses were invalid. Please try again.\n\n DNS Server 1: $piholeDNS1\n DNS Server 2: ${piholeDNS2}" ${r} ${c}
|
|
if [[ ${piholeDNS1} == "${strInvalid}" ]]; then
|
|
piholeDNS1=""
|
|
fi
|
|
if [[ ${piholeDNS2} == "${strInvalid}" ]]; then
|
|
piholeDNS2=""
|
|
fi
|
|
DNSSettingsCorrect=False
|
|
else
|
|
if (whiptail --backtitle "Specify Upstream DNS Provider(s)" --title "Upstream DNS Provider(s)" --yesno "Are these settings correct?\n DNS Server 1: $piholeDNS1\n DNS Server 2: ${piholeDNS2}" ${r} ${c}); then
|
|
DNSSettingsCorrect=True
|
|
else
|
|
# If the settings are wrong, the loop continues
|
|
DNSSettingsCorrect=False
|
|
fi
|
|
fi
|
|
done
|
|
;;
|
|
esac
|
|
else
|
|
echo "::: Cancel selected. Exiting..."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
setLogging() {
|
|
local LogToggleCommand
|
|
local LogChooseOptions
|
|
local LogChoices
|
|
|
|
LogToggleCommand=(whiptail --separate-output --radiolist "Do you want to log queries?\n (Disabling will render graphs on the Admin page useless):" ${r} ${c} 6)
|
|
LogChooseOptions=("On (Reccomended)" "" on
|
|
Off "" off)
|
|
LogChoices=$("${LogToggleCommand[@]}" "${LogChooseOptions[@]}" 2>&1 >/dev/tty) || (echo "::: Cancel selected. Exiting..." && exit 1)
|
|
case ${LogChoices} in
|
|
"On (Recommended)")
|
|
echo "::: Logging On."
|
|
QUERYLOGGING=true
|
|
;;
|
|
Off)
|
|
echo "::: Logging Off."
|
|
QUERYLOGGING=false
|
|
;;
|
|
esac
|
|
}
|
|
|
|
|
|
version_check_dnsmasq() {
|
|
# Check if /etc/dnsmasq.conf is from pihole. If so replace with an original and install new in .d directory
|
|
local dnsmasq_conf="/etc/dnsmasq.conf"
|
|
local dnsmasq_conf_orig="/etc/dnsmasq.conf.orig"
|
|
local dnsmasq_pihole_id_string="addn-hosts=/etc/pihole/gravity.list"
|
|
local dnsmasq_original_config="/etc/.pihole/advanced/dnsmasq.conf.original"
|
|
local dnsmasq_pihole_01_snippet="/etc/.pihole/advanced/01-pihole.conf"
|
|
local dnsmasq_pihole_01_location="/etc/dnsmasq.d/01-pihole.conf"
|
|
|
|
if [ -f ${dnsmasq_conf} ]; then
|
|
echo -n "::: Existing dnsmasq.conf found..."
|
|
if grep -q ${dnsmasq_pihole_id_string} ${dnsmasq_conf}; then
|
|
echo " it is from a previous pi-hole install."
|
|
echo -n "::: Backing up dnsmasq.conf to dnsmasq.conf.orig..."
|
|
mv -f ${dnsmasq_conf} ${dnsmasq_conf_orig}
|
|
echo " done."
|
|
echo -n "::: Restoring default dnsmasq.conf..."
|
|
cp ${dnsmasq_original_config} ${dnsmasq_conf}
|
|
echo " done."
|
|
else
|
|
echo " it is not a pi-hole file, leaving alone!"
|
|
fi
|
|
else
|
|
echo -n "::: No dnsmasq.conf found.. restoring default dnsmasq.conf..."
|
|
cp ${dnsmasq_original_config} ${dnsmasq_conf}
|
|
echo " done."
|
|
fi
|
|
|
|
echo -n "::: Copying 01-pihole.conf to /etc/dnsmasq.d/01-pihole.conf..."
|
|
cp ${dnsmasq_pihole_01_snippet} ${dnsmasq_pihole_01_location}
|
|
echo " done."
|
|
sed -i "s/@INT@/$piholeInterface/" ${dnsmasq_pihole_01_location}
|
|
if [[ "${piholeDNS1}" != "" ]]; then
|
|
sed -i "s/@DNS1@/$piholeDNS1/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^server=@DNS1@/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
if [[ "${piholeDNS2}" != "" ]]; then
|
|
sed -i "s/@DNS2@/$piholeDNS2/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^server=@DNS2@/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
|
|
#sed -i "s/@HOSTNAME@/$hostname/" ${dnsmasq_pihole_01_location}
|
|
|
|
if [[ -f /etc/hostname ]]; then
|
|
hostname=$(</etc/hostname)
|
|
elif [ -x "$(command -v hostname)" ]; then
|
|
hostname=$(hostname -f)
|
|
fi
|
|
|
|
#Replace IPv4 and IPv6 tokens in 01-pihole.conf for pi.hole resolution.
|
|
if [[ "${IPv4_address}" != "" ]]; then
|
|
tmp=${IPv4_address%/*}
|
|
sed -i "s/@IPv4@/$tmp/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^address=\/pi.hole\/@IPv4@/d' ${dnsmasq_pihole_01_location}
|
|
sed -i '/^address=\/@HOSTNAME@\/@IPv4@/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
|
|
if [[ "${IPv6_address}" != "" ]]; then
|
|
sed -i "s/@IPv6@/$IPv6_address/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^address=\/pi.hole\/@IPv6@/d' ${dnsmasq_pihole_01_location}
|
|
sed -i '/^address=\/@HOSTNAME@\/@IPv6@/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
|
|
if [[ "${hostname}" != "" ]]; then
|
|
sed -i "s/@HOSTNAME@/$hostname/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^address=\/@HOSTNAME@*/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
|
|
sed -i 's/^#conf-dir=\/etc\/dnsmasq.d$/conf-dir=\/etc\/dnsmasq.d/' ${dnsmasq_conf}
|
|
|
|
if [[ "${QUERYLOGGING}" == false ]] ; then
|
|
#Disable Logging
|
|
sed -i 's/^log-queries/#log-queries/' ${dnsmasq_pihole_01_location}
|
|
else
|
|
#Enable Logging
|
|
sed -i 's/^#log-queries/log-queries/' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
}
|
|
|
|
remove_legacy_scripts() {
|
|
#Tidy up /usr/local/bin directory if installing over previous install.
|
|
oldFiles=( gravity chronometer whitelist blacklist piholeLogFlush updateDashboard uninstall setupLCD piholeDebug)
|
|
for i in "${oldFiles[@]}"; do
|
|
if [ -f "/usr/local/bin/$i.sh" ]; then
|
|
rm /usr/local/bin/"$i".sh
|
|
fi
|
|
done
|
|
}
|
|
|
|
installScripts() {
|
|
# Install the scripts from /etc/.pihole to their various locations
|
|
echo ":::"
|
|
echo -n "::: Installing scripts to /opt/pihole..."
|
|
#clear out /opt/pihole and recreate it. This allows us to remove scripts from future installs
|
|
rm -rf /opt/pihole
|
|
install -o "${USER}" -m755 -d /opt/pihole
|
|
|
|
cd /etc/.pihole/
|
|
|
|
install -o "${USER}" -Dm755 -t /opt/pihole/ gravity.sh
|
|
install -o "${USER}" -Dm755 -t /opt/pihole/ ./advanced/Scripts/*.sh
|
|
install -o "${USER}" -Dm755 -t /opt/pihole/ ./automated\ install/uninstall.sh
|
|
install -o "${USER}" -Dm755 -t /usr/local/bin/ pihole
|
|
|
|
install -Dm644 ./advanced/bash-completion/pihole /etc/bash_completion.d/pihole
|
|
echo " done."
|
|
}
|
|
|
|
installConfigs() {
|
|
# Install the configs from /etc/.pihole to their various locations
|
|
echo ":::"
|
|
echo "::: Installing configs..."
|
|
version_check_dnsmasq
|
|
if [ ! -d "/etc/lighttpd" ]; then
|
|
mkdir /etc/lighttpd
|
|
chown "${USER}":root /etc/lighttpd
|
|
mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.orig
|
|
fi
|
|
cp /etc/.pihole/advanced/${LIGHTTPD_CFG} /etc/lighttpd/lighttpd.conf
|
|
mkdir -p /var/run/lighttpd
|
|
chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /var/run/lighttpd
|
|
mkdir -p /var/cache/lighttpd/compress
|
|
chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /var/cache/lighttpd/compress
|
|
mkdir -p /var/cache/lighttpd/uploads
|
|
chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /var/cache/lighttpd/uploads
|
|
}
|
|
|
|
stop_service() {
|
|
# Stop service passed in as argument.
|
|
# Can softfail, as process may not be installed when this is called
|
|
echo ":::"
|
|
echo -n "::: Stopping ${1} service..."
|
|
if [ -x "$(command -v systemctl)" ]; then
|
|
systemctl stop "${1}" &> /dev/null & spinner $! || true
|
|
else
|
|
service "${1}" stop &> /dev/null & spinner $! || true
|
|
fi
|
|
echo " done."
|
|
}
|
|
|
|
start_service() {
|
|
# Start/Restart service passed in as argument
|
|
# This should not fail, it's an error if it does
|
|
echo ":::"
|
|
echo -n "::: Starting ${1} service..."
|
|
if [ -x "$(command -v systemctl)" ]; then
|
|
systemctl restart "${1}" &> /dev/null & spinner $!
|
|
else
|
|
service "${1}" restart &> /dev/null & spinner $!
|
|
fi
|
|
echo " done."
|
|
}
|
|
|
|
enable_service() {
|
|
# Enable service so that it will start with next reboot
|
|
echo ":::"
|
|
echo -n "::: Enabling ${1} service to start on reboot..."
|
|
if [ -x "$(command -v systemctl)" ]; then
|
|
systemctl enable "${1}" &> /dev/null & spinner $!
|
|
else
|
|
update-rc.d "${1}" defaults &> /dev/null & spinner $!
|
|
fi
|
|
echo " done."
|
|
}
|
|
|
|
update_pacakge_cache() {
|
|
#Running apt-get update/upgrade with minimal output can cause some issues with
|
|
#requiring user input (e.g password for phpmyadmin see #218)
|
|
|
|
#Check to see if apt-get update has already been run today
|
|
#it needs to have been run at least once on new installs!
|
|
timestamp=$(stat -c %Y ${PKG_CACHE})
|
|
timestampAsDate=$(date -d @"${timestamp}" "+%b %e")
|
|
today=$(date "+%b %e")
|
|
|
|
if [ ! "${today}" == "${timestampAsDate}" ]; then
|
|
#update package lists
|
|
echo ":::"
|
|
echo -n "::: ${PKG_MANAGER} update has not been run today. Running now..."
|
|
${UPDATE_PKG_CACHE} &> /dev/null & spinner $!
|
|
echo " done!"
|
|
fi
|
|
}
|
|
|
|
notify_package_updates_available() {
|
|
# Let user know if they have outdated packages on their system and
|
|
# advise them to run a package update at soonest possible.
|
|
echo ":::"
|
|
echo -n "::: Checking ${PKG_MANAGER} for upgraded packages...."
|
|
updatesToInstall=$(eval "${PKG_COUNT}")
|
|
echo " done!"
|
|
echo ":::"
|
|
if [[ ${updatesToInstall} -eq "0" ]]; then
|
|
echo "::: Your system is up to date! Continuing with Pi-hole installation..."
|
|
else
|
|
echo "::: There are ${updatesToInstall} updates available for your system!"
|
|
echo "::: We recommend you run '${PKG_UPDATE}' after installing Pi-Hole! "
|
|
echo ":::"
|
|
fi
|
|
}
|
|
|
|
install_dependent_packages() {
|
|
# Install packages passed in via argument array
|
|
# No spinner - conflicts with set -e
|
|
declare -a argArray1=("${!1}")
|
|
|
|
for i in "${argArray1[@]}"; do
|
|
echo -n "::: Checking for $i..."
|
|
package_check_install "${i}" &> /dev/null
|
|
echo " installed!"
|
|
done
|
|
}
|
|
|
|
getGitFiles() {
|
|
# Setup git repos for directory and repository passed
|
|
# as arguments 1 and 2
|
|
echo ":::"
|
|
echo "::: Checking for existing repository..."
|
|
if is_repo "${1}"; then
|
|
update_repo "${1}"
|
|
else
|
|
make_repo "${1}" "${2}"
|
|
fi
|
|
}
|
|
|
|
is_repo() {
|
|
# Use git to check if directory is currently under VCS
|
|
echo -n "::: Checking $1 is a repo..."
|
|
cd "${1}" &> /dev/null || return 1
|
|
git status &> /dev/null && echo " OK!"; return 0 || echo " not found!"; return 1
|
|
}
|
|
|
|
make_repo() {
|
|
# Remove the non-repod interface and clone the interface
|
|
echo -n "::: Cloning $2 into $1..."
|
|
rm -rf "${1}"
|
|
git clone -q --depth 1 "${2}" "${1}" > /dev/null & spinner $!
|
|
echo " done!"
|
|
}
|
|
|
|
update_repo() {
|
|
# Pull the latest commits
|
|
echo -n "::: Updating repo in $1..."
|
|
cd "${1}" || exit 1
|
|
git stash -q > /dev/null & spinner $!
|
|
git pull -q > /dev/null & spinner $!
|
|
echo " done!"
|
|
}
|
|
|
|
CreateLogFile() {
|
|
# Create logfiles if necessary
|
|
echo ":::"
|
|
echo -n "::: Creating log file and changing owner to dnsmasq..."
|
|
if [ ! -f /var/log/pihole.log ]; then
|
|
touch /var/log/pihole.log
|
|
chmod 644 /var/log/pihole.log
|
|
chown "${DNSMASQ_USER}":root /var/log/pihole.log
|
|
echo " done!"
|
|
else
|
|
echo " already exists!"
|
|
fi
|
|
}
|
|
|
|
installPiholeWeb() {
|
|
# Install the web interface
|
|
echo ":::"
|
|
echo -n "::: Installing pihole custom index page..."
|
|
if [ -d "/var/www/html/pihole" ]; then
|
|
echo " Existing page detected, not overwriting"
|
|
else
|
|
mkdir /var/www/html/pihole
|
|
if [ -f /var/www/html/index.lighttpd.html ]; then
|
|
mv /var/www/html/index.lighttpd.html /var/www/html/index.lighttpd.orig
|
|
else
|
|
printf "\n:::\tNo default index.lighttpd.html file found... not backing up"
|
|
fi
|
|
cp /etc/.pihole/advanced/index.* /var/www/html/pihole/.
|
|
echo " done!"
|
|
fi
|
|
# Install Sudoer file
|
|
echo -n "::: Installing sudoer file..."
|
|
mkdir -p /etc/sudoers.d/
|
|
cp /etc/.pihole/advanced/pihole.sudo /etc/sudoers.d/pihole
|
|
chmod 0440 /etc/sudoers.d/pihole
|
|
echo " done!"
|
|
}
|
|
|
|
installCron() {
|
|
# Install the cron job
|
|
echo ":::"
|
|
echo -n "::: Installing latest Cron script..."
|
|
cp /etc/.pihole/advanced/pihole.cron /etc/cron.d/pihole
|
|
echo " done!"
|
|
}
|
|
|
|
runGravity() {
|
|
# Run gravity.sh to build blacklists
|
|
echo ":::"
|
|
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)"
|
|
rm /etc/pihole/list.*
|
|
fi
|
|
echo "::: Running gravity.sh"
|
|
/opt/pihole/gravity.sh
|
|
}
|
|
|
|
create_pihole_user() {
|
|
# Check if user pihole exists and create if not
|
|
echo "::: Checking if user 'pihole' exists..."
|
|
id -u pihole &> /dev/null && echo "::: User 'pihole' already exists" || (echo "::: User 'pihole' doesn't exist. Creating..." && useradd -r -s /usr/sbin/nologin pihole)
|
|
}
|
|
|
|
configureFirewall() {
|
|
# Allow HTTP and DNS traffic
|
|
if [ -x "$(command -v firewall-cmd)" ]; then
|
|
firewall-cmd --state &> /dev/null && ( echo "::: Configuring firewalld for httpd and dnsmasq.." && firewall-cmd --permanent --add-port=80/tcp && firewall-cmd --permanent --add-port=53/tcp \
|
|
&& firewall-cmd --permanent --add-port=53/udp && firewall-cmd --reload) || echo "::: FirewallD not enabled"
|
|
elif [ -x "$(command -v iptables)" ]; then
|
|
echo "::: Configuring iptables for httpd and dnsmasq.."
|
|
iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
|
|
iptables -A INPUT -p tcp -m tcp --dport 53 -j ACCEPT
|
|
iptables -A INPUT -p udp -m udp --dport 53 -j ACCEPT
|
|
else
|
|
echo "::: No firewall detected.. skipping firewall configuration."
|
|
fi
|
|
}
|
|
|
|
finalExports() {
|
|
#If it already exists, lets overwrite it with the new values.
|
|
if [[ -f ${setupVars} ]]; then
|
|
rm ${setupVars}
|
|
fi
|
|
{
|
|
echo "piholeInterface=${piholeInterface}"
|
|
echo "IPv4_address=${IPv4_address}"
|
|
echo "IPv6_address=${IPv6_address}"
|
|
echo "piholeDNS1=${piholeDNS1}"
|
|
echo "piholeDNS2=${piholeDNS2}"
|
|
echo "QUERYLOGGING=${QUERYLOGGING}"
|
|
}>> "${setupVars}"
|
|
}
|
|
|
|
installPihole() {
|
|
# Install base files and web interface
|
|
create_pihole_user
|
|
if [ ! -d "/var/www/html" ]; then
|
|
mkdir -p /var/www/html
|
|
fi
|
|
chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /var/www/html
|
|
chmod 775 /var/www/html
|
|
usermod -a -G ${LIGHTTPD_GROUP} pihole
|
|
if [ -x "$(command -v lighty-enable-mod)" ]; then
|
|
lighty-enable-mod fastcgi fastcgi-php > /dev/null || true
|
|
else
|
|
printf "\n:::\tWarning: 'lighty-enable-mod' utility not found. Please ensure fastcgi is enabled if you experience issues.\n"
|
|
fi
|
|
installScripts
|
|
installConfigs
|
|
CreateLogFile
|
|
configureSelinux
|
|
installPiholeWeb
|
|
installCron
|
|
configureFirewall
|
|
finalExports
|
|
runGravity
|
|
}
|
|
|
|
updatePihole() {
|
|
# Refactoring of install script has changed the name of a couple of variables. Sort them out here.
|
|
sed -i 's/IPv4addr/IPv4_address/g' ${setupVars}
|
|
sed -i 's/piholeIPv6/IPv6_address/g' ${setupVars}
|
|
# Source ${setupVars} for use in the rest of the functions.
|
|
. ${setupVars}
|
|
# Install base files and web interface
|
|
installScripts
|
|
installConfigs
|
|
CreateLogFile
|
|
configureSelinux
|
|
installPiholeWeb
|
|
installCron
|
|
configureFirewall
|
|
runGravity
|
|
}
|
|
|
|
configureSelinux() {
|
|
if [ -x "$(command -v getenforce)" ]; then
|
|
printf "\n::: SELinux Detected\n"
|
|
printf ":::\tChecking for SELinux policy development packages..."
|
|
package_check_install "selinux-policy-devel" > /dev/null
|
|
echo " installed!"
|
|
printf ":::\tEnabling httpd server side includes (SSI).. "
|
|
setsebool -P httpd_ssi_exec on &> /dev/null && echo "Success" || echo "SELinux not enabled"
|
|
printf "\n:::\tCompiling Pi-Hole SELinux policy..\n"
|
|
if ! [ -x "$(command -v systemctl)" ]; then
|
|
sed -i.bak '/systemd/d' /etc/.pihole/advanced/selinux/pihole.te
|
|
fi
|
|
checkmodule -M -m -o /etc/pihole/pihole.mod /etc/.pihole/advanced/selinux/pihole.te
|
|
semodule_package -o /etc/pihole/pihole.pp -m /etc/pihole/pihole.mod
|
|
semodule -i /etc/pihole/pihole.pp
|
|
rm -f /etc/pihole/pihole.mod
|
|
semodule -l | grep pihole &> /dev/null && echo "::: Installed Pi-Hole SELinux policy" || echo "::: Warning: Pi-Hole SELinux policy did not install."
|
|
fi
|
|
}
|
|
|
|
displayFinalMessage() {
|
|
# Final completion message to user
|
|
whiptail --msgbox --backtitle "Make it so." --title "Installation Complete!" "Configure your devices to use the Pi-hole as their DNS server using:
|
|
|
|
IPv4: ${IPv4_address%/*}
|
|
IPv6: ${IPv6_address}
|
|
|
|
If you set a new IP address, you should restart the Pi.
|
|
|
|
The install log is in /etc/pihole.
|
|
View the web interface at http://pi.hole/admin or http://${IPv4_address%/*}/admin" ${r} ${c}
|
|
}
|
|
|
|
update_dialogs() {
|
|
# reconfigure
|
|
if [ "${reconfigure}" = true ]; then
|
|
opt1a="Repair"
|
|
opt1b="This will retain existing settings"
|
|
strAdd="You will remain on the same version"
|
|
else
|
|
opt1a="Update"
|
|
opt1b="This will retain existing settings."
|
|
strAdd="You will be updated to the latest version."
|
|
fi
|
|
opt2a="Reconfigure"
|
|
opt2b="This will allow you to enter new settings"
|
|
|
|
UpdateCmd=$(whiptail --title "Existing Install Detected!" --menu "\n\nWe have detected an existing install.\n\nPlease choose from the following options: \n($strAdd)" ${r} ${c} 2 \
|
|
"${opt1a}" "${opt1b}" \
|
|
"${opt2a}" "${opt2b}" 3>&2 2>&1 1>&3)
|
|
|
|
if [[ $? = 0 ]];then
|
|
case ${UpdateCmd} in
|
|
${opt1a})
|
|
echo "::: ${opt1a} option selected."
|
|
useUpdateVars=true
|
|
;;
|
|
${opt2a})
|
|
echo "::: ${opt2a} option selected"
|
|
useUpdateVars=false
|
|
;;
|
|
esac
|
|
else
|
|
echo "::: Cancel selected. Exiting..."
|
|
exit 1
|
|
fi
|
|
|
|
}
|
|
|
|
main() {
|
|
# Check arguments for the undocumented flags
|
|
for var in "$@"; do
|
|
case "$var" in
|
|
"--reconfigure" ) reconfigure=true;;
|
|
"--i_do_not_follow_recommendations" ) skipSpaceCheck=false;;
|
|
"--unattended" ) runUnattended=true;;
|
|
esac
|
|
done
|
|
|
|
if [[ -f ${setupVars} ]]; then
|
|
if [[ "${runUnattended}" == true ]]; then
|
|
echo "::: --unattended passed to install script, no whiptail dialogs will be displayed"
|
|
useUpdateVars=true
|
|
else
|
|
update_dialogs
|
|
fi
|
|
fi
|
|
|
|
# Start the installer
|
|
# Verify there is enough disk space for the install
|
|
if [[ "${skipSpaceCheck}" == true ]]; then
|
|
echo "::: --i_do_not_follow_recommendations passed to script, skipping free disk space verification!"
|
|
else
|
|
verifyFreeDiskSpace
|
|
fi
|
|
|
|
# Update package cache
|
|
update_pacakge_cache
|
|
|
|
# Notify user of package availability
|
|
notify_package_updates_available
|
|
|
|
# Install packages used by this installation script
|
|
install_dependent_packages INSTALLER_DEPS[@]
|
|
|
|
if [[ "${reconfigure}" == true ]]; then
|
|
echo "::: --reconfigure passed to install script. Not downloading/updating local repos"
|
|
else
|
|
# Get Git files for Core and Admin
|
|
getGitFiles ${piholeFilesDir} ${piholeGitUrl}
|
|
getGitFiles ${webInterfaceDir} ${webInterfaceGitUrl}
|
|
fi
|
|
|
|
if [[ ${useUpdateVars} == false ]]; then
|
|
# Display welcome dialogs
|
|
welcomeDialogs
|
|
# Create directory for Pi-hole storage
|
|
mkdir -p /etc/pihole/
|
|
# Remove legacy scripts from previous storage location
|
|
remove_legacy_scripts
|
|
# Stop resolver and webserver while installing proceses
|
|
stop_service dnsmasq
|
|
stop_service lighttpd
|
|
# Determine available interfaces
|
|
get_available_interfaces
|
|
# Find interfaces and let the user choose one
|
|
chooseInterface
|
|
# Let the user decide if they want to block ads over IPv4 and/or IPv6
|
|
use4andor6
|
|
# Decide what upstream DNS Servers to use
|
|
setDNS
|
|
# Let the user decide if they want query logging enabled...
|
|
setLogging
|
|
|
|
# Install packages used by the Pi-hole
|
|
install_dependent_packages PIHOLE_DEPS[@]
|
|
|
|
# Install and log everything to a file
|
|
installPihole | tee ${tmpLog}
|
|
else
|
|
# Install packages used by the Pi-hole
|
|
install_dependent_packages PIHOLE_DEPS[@]
|
|
updatePihole | tee ${tmpLog}
|
|
fi
|
|
|
|
# Move the log file into /etc/pihole for storage
|
|
mv ${tmpLog} ${instalLogLoc}
|
|
|
|
if [[ "${useUpdateVars}" == false ]]; then
|
|
displayFinalMessage
|
|
fi
|
|
|
|
echo "::: Restarting services..."
|
|
# Start services
|
|
start_service dnsmasq
|
|
enable_service dnsmasq
|
|
start_service lighttpd
|
|
enable_service lighttpd
|
|
echo "::: done."
|
|
|
|
echo ":::"
|
|
if [[ "${useUpdateVars}" == false ]]; then
|
|
echo "::: Installation Complete! Configure your devices to use the Pi-hole as their DNS server using:"
|
|
echo "::: ${IPv4_address%/*}"
|
|
echo "::: ${IPv6_address}"
|
|
echo ":::"
|
|
echo "::: If you set a new IP address, you should restart the Pi."
|
|
else
|
|
echo "::: Update complete!"
|
|
fi
|
|
|
|
echo ":::"
|
|
echo "::: The install log is located at: /etc/pihole/install.log"
|
|
echo "::: View the web interface at http://pi.hole/admin or http://${IPv4_address%/*}/admin"
|
|
}
|
|
|
|
main "$@"
|