#!/usr/bin/env bash # Pi-hole: A black hole for Internet advertisements # (c) 2015, 2016 by Jacob Salmela # Network-wide ad blocking via your Raspberry Pi # http://pi-hole.net # Installs Pi-hole # # Pi-hole is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 2 of the License, or # (at your option) any later version. # pi-hole.net/donate # # Install with this command (from your Pi): # # curl -L install.pi-hole.net | bash ######## VARIABLES ######### tmpLog=/tmp/pihole-install.log instalLogLoc=/etc/pihole/install.log setupVars=/etc/pihole/setupVars.conf webInterfaceGitUrl="https://github.com/pi-hole/AdminLTE.git" webInterfaceDir="/var/www/html/admin" piholeGitUrl="https://github.com/pi-hole/pi-hole.git" piholeFilesDir="/etc/.pihole" useUpdateVars=false # Find the rows and columns rows=$(tput lines) columns=$(tput cols) # Divide by two so the dialogs take up half of the screen, which looks nice. r=$(( rows / 2 )) c=$(( columns / 2 )) ######## FIRST CHECK ######## # Must be root to install echo ":::" if [[ $EUID -eq 0 ]];then echo "::: You are root." else echo "::: sudo will be used for the install." # Check if it is actually installed # If it isn't, exit because the install cannot complete if [ -x "$(command -v sudo)" ];then export SUDO="sudo" else echo "::: sudo is needed for the Web interface to run pihole commands. Please run this script as root and it will be automatically installed." exit 1 fi fi # Compatibility if [ -x "$(command -v apt-get)" ];then #Debian Family #Decide if php should be `php5` or just `php` (Fixes issues with Ubuntu 16.04 LTS) phpVer="php" apt-cache show php5 &> /dev/null if [ $? == 0 ]; then phpVer="php5" fi ############################################# PKG_MANAGER="apt-get" PKG_CACHE="/var/cache/apt" UPDATE_PKG_CACHE="$PKG_MANAGER -qq update" PKG_UPDATE="$PKG_MANAGER upgrade" PKG_INSTALL="$PKG_MANAGER --yes --quiet install" PKG_COUNT="$PKG_MANAGER -s -o Debug::NoLocking=true upgrade | grep -c ^Inst" INSTALLER_DEPS=( apt-utils whiptail dhcpcd5) PIHOLE_DEPS=( dnsutils bc dnsmasq lighttpd ${phpVer}-common ${phpVer}-cgi ${phpVer} git curl unzip wget sudo netcat cron ) LIGHTTPD_USER="www-data" LIGHTTPD_GROUP="www-data" LIGHTTPD_CFG="lighttpd.conf.debian" package_check() { dpkg-query -W -f='${Status}' "$1" 2>/dev/null | grep -c "ok installed" } elif [ -x "$(command -v rpm)" ];then # Fedora Family if [ -x "$(command -v dnf)" ];then PKG_MANAGER="dnf" else PKG_MANAGER="yum" fi PKG_CACHE="/var/cache/$PKG_MANAGER" UPDATE_PKG_CACHE="$PKG_MANAGER check-update -q" PKG_UPDATE="$PKG_MANAGER update -y" PKG_INSTALL="$PKG_MANAGER install -y" PKG_COUNT="$PKG_MANAGER check-update | grep -v ^Last | grep -c ^[a-zA-Z0-9]" INSTALLER_DEPS=( iproute net-tools procps-ng newt ) PIHOLE_DEPS=( epel-release bind-utils bc dnsmasq lighttpd lighttpd-fastcgi php-common php-cli php git curl unzip wget findutils cronie sudo nmap-ncat ) LIGHTTPD_USER="lighttpd" LIGHTTPD_GROUP="lighttpd" LIGHTTPD_CFG="lighttpd.conf.fedora" package_check() { rpm -qa | grep ^$1- > /dev/null } else echo "OS distribution not supported" exit fi ####### FUNCTIONS ########## spinner() { local pid=$1 local delay=0.50 local spinstr='/-\|' while [ "$(ps a | awk '{print $1}' | grep "$pid")" ]; do local temp=${spinstr#?} printf " [%c] " "$spinstr" local spinstr=${temp}${spinstr%"$temp"} sleep ${delay} printf "\b\b\b\b\b\b" done printf " \b\b\b\b" } findIPRoute() { # Find IP used to route to outside world IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}') IPv4addr=$(ip -o -f inet addr show dev "$IPv4dev" | awk '{print $4}' | awk 'END {print}') IPv4gw=$(ip route get 8.8.8.8 | awk '{print $3}') availableInterfaces=$(ip -o link | awk '{print $2}' | grep -v "lo" | cut -d':' -f1 | cut -d'@' -f1) } welcomeDialogs() { # Display the welcome dialog whiptail --msgbox --backtitle "Welcome" --title "Pi-hole automated installer" "This installer will transform your Raspberry Pi into a network-wide ad blocker!" ${r} ${c} # Support for a part-time dev 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} # Explain the need for a static address whiptail --msgbox --backtitle "Initiating network interface" --title "Static IP Needed" "The Pi-hole is a SERVER so it needs a STATIC IP ADDRESS to function properly. In the next section, you can choose to use your current network settings (DHCP) or to manually edit them." ${r} ${c} } verifyFreeDiskSpace() { # 50MB is the minimum space needed (45MB install (includes web admin bootstrap/jquery libraries etc) + 5MB one day of logs.) # - Fourdee: Local ensures the variable is only created, and accessible within this function/void. Generally considered a "good" coding practice for non-global variables. local required_free_kilobytes=51200 local existing_free_kilobytes=$(df -Pk | grep -m1 '\/$' | awk '{print $4}') # - Unknown free disk space , not a integer if ! [[ "$existing_free_kilobytes" =~ ^([0-9])+$ ]]; then whiptail --title "Unknown free disk space" --yesno "We were unable to determine available free disk space on this system.\n\nYou may override this check and force the installation, however, it is not recommended.\n\nWould you like to continue with the installation?" --defaultno --backtitle "Pi-hole" ${r} ${c} local choice=$? if (( $choice != 0 )); then echo "non-integer value from existing_free_kilobytes ($existing_free_kilobytes)" echo "Unknown free space, user aborted, exiting..." exit 1 fi # - Insufficient free disk space elif [[ $existing_free_kilobytes -lt $required_free_kilobytes ]]; then whiptail --msgbox --backtitle "Insufficient Disk Space" --title "Insufficient Disk Space" "\nYour system appears to be low on disk space. pi-hole recomends a minimum of $required_free_kilobytes KiloBytes.\nYou only have $existing_free_kilobytes KiloBytes free.\n\nIf this is a new install you may need to expand your disk.\n\nTry running:\n 'sudo raspi-config'\nChoose the 'expand file system option'\n\nAfter rebooting, run this installation again.\n\ncurl -L install.pi-hole.net | bash\n" $r $c echo "$existing_free_kilobytes is less than $required_free_kilobytes" echo "Insufficient free space, exiting..." exit 1 fi } chooseInterface() { # Turn the available interfaces into an array so it can be used with a whiptail dialog interfacesArray=() firstLoop=1 while read -r line do mode="OFF" if [[ ${firstLoop} -eq 1 ]]; then firstLoop=0 mode="ON" fi interfacesArray+=("$line" "available" "$mode") done <<< "$availableInterfaces" # Find out how many interfaces are available to choose from interfaceCount=$(echo "$availableInterfaces" | wc -l) chooseInterfaceCmd=(whiptail --separate-output --radiolist "Choose An Interface (press space to select)" ${r} ${c} ${interfaceCount}) chooseInterfaceOptions=$("${chooseInterfaceCmd[@]}" "${interfacesArray[@]}" 2>&1 >/dev/tty) if [[ $? = 0 ]]; then for desiredInterface in ${chooseInterfaceOptions} do piholeInterface=${desiredInterface} echo "::: Using interface: $piholeInterface" done else echo "::: Cancel selected, exiting...." exit 1 fi } use4andor6() { # Let use select IPv4 and/or IPv6 cmd=(whiptail --separate-output --checklist "Select Protocols (press space to select)" ${r} ${c} 2) options=(IPv4 "Block ads over IPv4" on IPv6 "Block ads over IPv6" off) choices=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty) if [[ $? = 0 ]];then for choice in ${choices} do case ${choice} in IPv4 ) useIPv4=true;; IPv6 ) useIPv6=true;; esac done if [ ${useIPv4} ] && [ ! ${useIPv6} ]; then getStaticIPv4Settings setStaticIPv4 echo "::: Using IPv4 on $IPv4addr" echo "::: IPv6 will NOT be used." fi if [ ! ${useIPv4} ] && [ ${useIPv6} ]; then useIPv6dialog echo "::: IPv4 will NOT be used." echo "::: Using IPv6 on $piholeIPv6" fi if [ ${useIPv4} ] && [ ${useIPv6} ]; then getStaticIPv4Settings setStaticIPv4 useIPv6dialog echo "::: Using IPv4 on $IPv4addr" echo "::: Using IPv6 on $piholeIPv6" fi if [ ! ${useIPv4} ] && [ ! ${useIPv6} ]; then echo "::: Cannot continue, neither IPv4 or IPv6 selected" echo "::: Exiting" exit 1 fi else echo "::: Cancel selected. Exiting..." exit 1 fi } useIPv6dialog() { # Show the IPv6 address used for blocking piholeIPv6=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }') whiptail --msgbox --backtitle "IPv6..." --title "IPv6 Supported" "$piholeIPv6 will be used to block ads." ${r} ${c} } getStaticIPv4Settings() { # Ask if the user wants to use DHCP settings as their static IP if (whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --yesno "Do you want to use your current network settings as a static address? IP address: $IPv4addr Gateway: $IPv4gw" ${r} ${c}); then # If they choose yes, let the user know that the IP address will not be available via DHCP and may cause a conflict. 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. If you are worried, either manually set the address, or modify the DHCP reservation pool so it does not include the IP you want. 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} # Nothing else to do since the variables are already set above else # Otherwise, we need to ask the user to input their desired settings. # Start by getting the IPv4 address (pre-filling it with info gathered from DHCP) # Start a loop to let the user enter their information with the chance to go back and edit it if necessary until [[ ${ipSettingsCorrect} = True ]] do # Ask for the IPv4 address IPv4addr=$(whiptail --backtitle "Calibrating network interface" --title "IPv4 address" --inputbox "Enter your desired IPv4 address" ${r} ${c} "$IPv4addr" 3>&1 1>&2 2>&3) if [[ $? = 0 ]];then echo "::: Your static IPv4 address: $IPv4addr" # Ask for the gateway IPv4gw=$(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) if [[ $? = 0 ]];then echo "::: Your static IPv4 gateway: $IPv4gw" # Give the user a chance to review their settings before moving on if (whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --yesno "Are these settings correct? IP address: $IPv4addr Gateway: $IPv4gw" ${r} ${c}); then # After that's done, the loop ends and we move on ipSettingsCorrect=True else # If the settings are wrong, the loop continues ipSettingsCorrect=False fi else # Cancelling gateway settings window ipSettingsCorrect=False echo "::: Cancel selected. Exiting..." exit 1 fi else # Cancelling IPv4 settings window ipSettingsCorrect=False echo "::: Cancel selected. Exiting..." exit 1 fi done # End the if statement for DHCP vs. static fi } setDHCPCD() { # Append these lines to dhcpcd.conf to enable a static IP echo "## interface $piholeInterface static ip_address=$IPv4addr static routers=$IPv4gw static domain_name_servers=$IPv4gw" | ${SUDO} tee -a /etc/dhcpcd.conf >/dev/null } setStaticIPv4() { if [[ -f /etc/dhcpcd.conf ]];then # Debian Family if grep -q "$IPv4addr" /etc/dhcpcd.conf; then echo "::: Static IP already configured" else setDHCPCD ${SUDO} ip addr replace dev "$piholeInterface" "$IPv4addr" echo ":::" echo "::: Setting IP to $IPv4addr. You may need to restart after the install is complete." echo ":::" fi elif [[ -f /etc/sysconfig/network-scripts/ifcfg-${piholeInterface} ]];then # Fedora Family IFCFG_FILE=/etc/sysconfig/network-scripts/ifcfg-${piholeInterface} if grep -q "$IPv4addr" ${IFCFG_FILE}; then echo "::: Static IP already configured" else IPADDR=$(echo ${IPv4addr} | cut -f1 -d/) CIDR=$(echo ${IPv4addr} | cut -f2 -d/) # Backup existing interface configuration: cp ${IFCFG_FILE} ${IFCFG_FILE}.backup-$(date +%Y-%m-%d-%H%M%S) # Build Interface configuration file: ${SUDO} echo "# Configured via Pi-Hole installer" > ${IFCFG_FILE} ${SUDO} echo "DEVICE=$piholeInterface" >> ${IFCFG_FILE} ${SUDO} echo "BOOTPROTO=none" >> ${IFCFG_FILE} ${SUDO} echo "ONBOOT=yes" >> ${IFCFG_FILE} ${SUDO} echo "IPADDR=$IPADDR" >> ${IFCFG_FILE} ${SUDO} echo "PREFIX=$CIDR" >> ${IFCFG_FILE} ${SUDO} echo "GATEWAY=$IPv4gw" >> ${IFCFG_FILE} ${SUDO} echo "DNS1=$piholeDNS1" >> ${IFCFG_FILE} ${SUDO} echo "DNS2=$piholeDNS2" >> ${IFCFG_FILE} ${SUDO} echo "USERCTL=no" >> ${IFCFG_FILE} ${SUDO} ip addr replace dev "$piholeInterface" "$IPv4addr" if [ -x "$(command -v nmcli)" ];then # Tell NetworkManager to read our new sysconfig file ${SUDO} nmcli con load ${IFCFG_FILE} > /dev/null fi echo ":::" echo "::: Setting IP to $IPv4addr. You may need to restart after the install is complete." echo ":::" fi else echo "::: Warning: Unable to locate configuration file to set static IPv4 address!" exit 1 fi } function valid_ip() { local ip=$1 local stat=1 if [[ ${ip} =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then OIFS=$IFS IFS='.' ip=(${ip}) IFS=${OIFS} [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \ && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]] stat=$? fi return ${stat} } setDNS(){ DNSChoseCmd=(whiptail --separate-output --radiolist "Select Upstream DNS Provider. To use your own, select Custom." ${r} ${c} 6) DNSChooseOptions=(Google "" on OpenDNS "" off Level3 "" off Norton "" off Comodo "" off Custom "" off) DNSchoices=$("${DNSChoseCmd[@]}" "${DNSChooseOptions[@]}" 2>&1 >/dev/tty) if [[ $? = 0 ]];then case ${DNSchoices} in Google) echo "::: Using Google DNS servers." piholeDNS1="8.8.8.8" piholeDNS2="8.8.4.4" ;; OpenDNS) echo "::: Using OpenDNS servers." piholeDNS1="208.67.222.222" piholeDNS2="208.67.220.220" ;; Level3) echo "::: Using Level3 servers." piholeDNS1="4.2.2.1" piholeDNS2="4.2.2.2" ;; Norton) echo "::: Using Norton ConnectSafe servers." 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 } versionCheckDNSmasq(){ # Check if /etc/dnsmasq.conf is from pihole. If so replace with an original and install new in .d directory dnsFile1="/etc/dnsmasq.conf" dnsFile2="/etc/dnsmasq.conf.orig" dnsSearch="addn-hosts=/etc/pihole/gravity.list" defaultFile="/etc/.pihole/advanced/dnsmasq.conf.original" newFileToInstall="/etc/.pihole/advanced/01-pihole.conf" newFileFinalLocation="/etc/dnsmasq.d/01-pihole.conf" if [ -f ${dnsFile1} ]; then echo -n "::: Existing dnsmasq.conf found..." if grep -q ${dnsSearch} ${dnsFile1}; then echo " it is from a previous pi-hole install." echo -n "::: Backing up dnsmasq.conf to dnsmasq.conf.orig..." ${SUDO} mv -f ${dnsFile1} ${dnsFile2} echo " done." echo -n "::: Restoring default dnsmasq.conf..." ${SUDO} cp ${defaultFile} ${dnsFile1} 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..." ${SUDO} cp ${defaultFile} ${dnsFile1} echo " done." fi echo -n "::: Copying 01-pihole.conf to /etc/dnsmasq.d/01-pihole.conf..." ${SUDO} cp ${newFileToInstall} ${newFileFinalLocation} echo " done." ${SUDO} sed -i "s/@INT@/$piholeInterface/" ${newFileFinalLocation} if [[ "$piholeDNS1" != "" ]]; then ${SUDO} sed -i "s/@DNS1@/$piholeDNS1/" ${newFileFinalLocation} else ${SUDO} sed -i '/^server=@DNS1@/d' ${newFileFinalLocation} fi if [[ "$piholeDNS2" != "" ]]; then ${SUDO} sed -i "s/@DNS2@/$piholeDNS2/" ${newFileFinalLocation} else ${SUDO} sed -i '/^server=@DNS2@/d' ${newFileFinalLocation} fi ${SUDO} sed -i 's/^#conf-dir=\/etc\/dnsmasq.d$/conf-dir=\/etc\/dnsmasq.d/' ${dnsFile1} } installScripts() { # Install the scripts from /etc/.pihole to their various locations ${SUDO} echo ":::" ${SUDO} echo -n "::: Installing scripts to /opt/pihole..." if [ ! -d /opt/pihole ]; then ${SUDO} mkdir /opt/pihole ${SUDO} chown "$USER":root /opt/pihole ${SUDO} chmod u+srwx /opt/pihole fi ${SUDO} cp /etc/.pihole/gravity.sh /opt/pihole/gravity.sh ${SUDO} cp /etc/.pihole/advanced/Scripts/chronometer.sh /opt/pihole/chronometer.sh ${SUDO} cp /etc/.pihole/advanced/Scripts/whitelist.sh /opt/pihole/whitelist.sh ${SUDO} cp /etc/.pihole/advanced/Scripts/blacklist.sh /opt/pihole/blacklist.sh ${SUDO} cp /etc/.pihole/advanced/Scripts/piholeDebug.sh /opt/pihole/piholeDebug.sh ${SUDO} cp /etc/.pihole/advanced/Scripts/piholeLogFlush.sh /opt/pihole/piholeLogFlush.sh ${SUDO} cp /etc/.pihole/automated\ install/uninstall.sh /opt/pihole/uninstall.sh ${SUDO} cp /etc/.pihole/advanced/Scripts/setupLCD.sh /opt/pihole/setupLCD.sh ${SUDO} cp /etc/.pihole/advanced/Scripts/version.sh /opt/pihole/version.sh ${SUDO} chmod 755 /opt/pihole/gravity.sh /opt/pihole/chronometer.sh /opt/pihole/whitelist.sh /opt/pihole/blacklist.sh /opt/pihole/piholeLogFlush.sh /opt/pihole/uninstall.sh /opt/pihole/setupLCD.sh /opt/pihole/version.sh ${SUDO} cp /etc/.pihole/pihole /usr/local/bin/pihole ${SUDO} chmod 755 /usr/local/bin/pihole ${SUDO} cp /etc/.pihole/advanced/bash-completion/pihole /etc/bash_completion.d/pihole . /etc/bash_completion.d/pihole #Tidy up /usr/local/bin directory if installing over previous install. oldFiles=( gravity chronometer whitelist blacklist piholeLogFlush updateDashboard uninstall setupLCD piholeDebug) for i in "${oldFiles[@]}"; do if [ -f "/usr/local/bin/$i.sh" ]; then ${SUDO} rm /usr/local/bin/"$i".sh fi done ${SUDO} echo " done." } installConfigs() { # Install the configs from /etc/.pihole to their various locations ${SUDO} echo ":::" ${SUDO} echo "::: Installing configs..." versionCheckDNSmasq if [ ! -d "/etc/lighttpd" ]; then ${SUDO} mkdir /etc/lighttpd ${SUDO} chown "$USER":root /etc/lighttpd ${SUDO} mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.orig fi ${SUDO} cp /etc/.pihole/advanced/${LIGHTTPD_CFG} /etc/lighttpd/lighttpd.conf ${SUDO} mkdir -p /var/run/lighttpd ${SUDO} chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /var/run/lighttpd ${SUDO} mkdir -p /var/cache/lighttpd/compress ${SUDO} chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /var/cache/lighttpd/compress } stopServices() { # Stop dnsmasq and lighttpd ${SUDO} echo ":::" ${SUDO} echo -n "::: Stopping services..." #$SUDO service dnsmasq stop & spinner $! || true if [ -x "$(command -v systemctl)" ]; then ${SUDO} systemctl stop lighttpd & spinner $! || true else ${SUDO} service lighttpd stop & spinner $! || true fi ${SUDO} echo " done." } installerDependencies() { #Running apt-get update/upgrade with minimal output can cause some issues with #requiring user input (e.g password for phpmyadmin see #218) #We'll change the logic up here, to check to see if there are any updates availible and # if so, advise the user to run apt-get update/upgrade at their own discretion #Check to see if apt-get update has already been run today # it needs to have been run at least once on new installs! timestamp=$(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..." ${SUDO} ${UPDATE_PKG_CACHE} > /dev/null 2>&1 echo " done!" fi echo ":::" echo -n "::: Checking $PKG_MANAGER for upgraded packages...." updatesToInstall=$(eval "${SUDO} ${PKG_COUNT}") echo " done!" echo ":::" if [[ ${updatesToInstall} -eq "0" ]]; then echo "::: Your pi is up to date! Continuing with pi-hole installation..." else echo "::: There are $updatesToInstall updates availible for your pi!" echo "::: We recommend you run '$PKG_UPDATE' after installing Pi-Hole! " echo ":::" fi echo ":::" echo "::: Checking installer dependencies..." for i in "${INSTALLER_DEPS[@]}"; do echo -n "::: Checking for $i..." package_check ${i} > /dev/null if ! [ $? -eq 0 ]; then echo -n " Not found! Installing...." ${SUDO} ${PKG_INSTALL} "$i" > /dev/null 2>&1 echo " done!" else echo " already installed!" fi done } checkForDependencies() { # Install dependencies for Pi-Hole echo "::: Checking Pi-Hole dependencies:" for i in "${PIHOLE_DEPS[@]}"; do echo -n "::: Checking for $i..." package_check ${i} > /dev/null if ! [ $? -eq 0 ]; then echo -n " Not found! Installing...." ${SUDO} ${PKG_INSTALL} "$i" > /dev/null & spinner $! echo " done!" else echo " already installed!" fi done } getGitFiles() { # Setup git repos for base files and web admin echo ":::" echo "::: Checking for existing base files..." if is_repo ${piholeFilesDir}; then make_repo ${piholeFilesDir} ${piholeGitUrl} else update_repo ${piholeFilesDir} fi echo ":::" echo "::: Checking for existing web interface..." if is_repo ${webInterfaceDir}; then make_repo ${webInterfaceDir} ${webInterfaceGitUrl} else update_repo ${webInterfaceDir} fi } is_repo() { # If the directory does not have a .git folder it is not a repo echo -n "::: Checking $1 is a repo..." if [ -d "$1/.git" ]; then echo " OK!" return 1 fi echo " not found!!" return 0 } make_repo() { # Remove the non-repod interface and clone the interface echo -n "::: Cloning $2 into $1..." ${SUDO} rm -rf "$1" ${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" || exit ${SUDO} git pull -q > /dev/null & spinner $! echo " done!" } CreateLogFile() { # Create logfiles if necessary 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() { # Install the web interface ${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 [ -f /var/www/html/index.lighttpd.html ]; then ${SUDO} 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 ${SUDO} cp /etc/.pihole/advanced/index.* /var/www/html/pihole/. ${SUDO} echo " done!" fi # Install Sudoer file echo -n "::: Installing sudoer file..." ${SUDO} mkdir -p /etc/sudoers.d/ ${SUDO} cp /etc/.pihole/advanced/pihole.sudo /etc/sudoers.d/pihole ${SUDO} chmod 0440 /etc/sudoers.d/pihole echo " done!" } installCron() { # Install the cron job ${SUDO} echo ":::" ${SUDO} echo -n "::: Installing latest Cron script..." ${SUDO} cp /etc/.pihole/advanced/pihole.cron /etc/cron.d/pihole ${SUDO} echo " done!" } runGravity() { # Rub gravity.sh to build blacklists ${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 echo "::: Running gravity.sh" ${SUDO} /opt/pihole/gravity.sh } setUser(){ # Check if user pihole exists and create if not echo "::: Checking if user 'pihole' exists..." if id -u pihole > /dev/null 2>&1; then echo "::: User 'pihole' already exists" else echo "::: User 'pihole' doesn't exist. Creating..." ${SUDO} useradd -r -s /usr/sbin/nologin pihole fi } configureFirewall() { # Allow HTTP and DNS traffic if [ -x "$(command -v firewall-cmd)" ]; then ${SUDO} firewall-cmd --state > /dev/null if [[ $? -eq 0 ]]; then ${SUDO} echo "::: Configuring firewalld for httpd and dnsmasq.." ${SUDO} firewall-cmd --permanent --add-port=80/tcp ${SUDO} firewall-cmd --permanent --add-port=53/tcp ${SUDO} firewall-cmd --permanent --add-port=53/udp ${SUDO} firewall-cmd --reload fi elif [ -x "$(command -v iptables)" ]; then ${SUDO} echo "::: Configuring iptables for httpd and dnsmasq.." ${SUDO} iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT ${SUDO} iptables -A INPUT -p tcp -m tcp --dport 53 -j ACCEPT ${SUDO} iptables -A INPUT -p udp -m udp --dport 53 -j ACCEPT else ${SUDO} echo "::: No firewall detected.. skipping firewall configuration." fi } finalExports() { #If it already exists, lets overwrite it with the new values. if [[ -f ${setupVars} ]];then ${SUDO} rm ${setupVars} fi ${SUDO} echo "piholeInterface=${piholeInterface}" >> ${setupVars} ${SUDO} echo "IPv4addr=${IPv4addr}" >> ${setupVars} ${SUDO} echo "piholeIPv6=${piholeIPv6}" >> ${setupVars} ${SUDO} echo "piholeDNS1=${piholeDNS1}" >> ${setupVars} ${SUDO} echo "piholeDNS2=${piholeDNS2}" >> ${setupVars} } installPihole() { # Install base files and web interface checkForDependencies # done stopServices setUser ${SUDO} mkdir -p /etc/pihole/ if [ ! -d "/var/www/html" ]; then ${SUDO} mkdir -p /var/www/html fi ${SUDO} chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /var/www/html ${SUDO} chmod 775 /var/www/html ${SUDO} usermod -a -G ${LIGHTTPD_GROUP} pihole if [ -x "$(command -v lighty-enable-mod)" ]; then ${SUDO} lighty-enable-mod fastcgi fastcgi-php > /dev/null else printf "\n:::\tWarning: 'lighty-enable-mod' utility not found. Please ensure fastcgi is enabled if you experience issues.\n" fi getGitFiles installScripts installConfigs installConfigs CreateLogFile configureSelinux installPiholeWeb installCron runGravity configureFirewall finalExports } updatePihole() { # Install base files and web interface checkForDependencies # done stopServices getGitFiles installScripts installConfigs installConfigs CreateLogFile configureSelinux installPiholeWeb installCron runGravity configureFirewall } configureSelinux() { if [ -x "$(command -v getenforce)" ]; then printf "\n::: SELinux Detected\n" printf ":::\tChecking for SELinux policy development packages..." package_check "selinux-policy-devel" > /dev/null if ! [ $? -eq 0 ]; then echo -n " Not found! Installing...." ${SUDO} ${PKG_INSTALL} "selinux-policy-devel" > /dev/null & spinner $! echo " done!" else echo " already installed!" fi printf "::: Enabling httpd server side includes (SSI).. " ${SUDO} setsebool -P httpd_ssi_exec on if [ $? -eq 0 ]; then echo -n "Success" fi printf "\n:::\tCompiling Pi-Hole SELinux policy..\n" ${SUDO} checkmodule -M -m -o /etc/pihole/pihole.mod /etc/.pihole/advanced/selinux/pihole.te ${SUDO} semodule_package -o /etc/pihole/pihole.pp -m /etc/pihole/pihole.mod ${SUDO} semodule -i /etc/pihole/pihole.pp ${SUDO} rm -f /etc/pihole/pihole.mod ${SUDO} semodule -l | grep pihole > /dev/null if [ $? -eq 0 ]; then printf "::: Successfully installed Pi-Hole SELinux policy\n" else printf "::: Warning: Pi-Hole SELinux policy did not install correctly!\n" fi 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: ${IPv4addr%/*} IPv6: $piholeIPv6 If you set a new IP address, you should restart the Pi. The install log is in /etc/pihole. View the web interface at http://pi.hole/admin or http://${IPv4addr%/*}/admin" ${r} ${c} } updateDialogs(){ UpdateCmd=(whiptail --separate-output --radiolist "We have detected an existing install.\n\n Selecting Update will retain settings from the existing install.\n\n Selecting Install will allow you to enter new settings.\n\n(Highlight desired option, and press space to select!)" ${r} ${c} 2) UpdateChoices=(Update "" on Install "" off) UpdateChoice=$("${UpdateCmd[@]}" "${UpdateChoices[@]}" 2>&1 >/dev/tty) if [[ $? = 0 ]];then case ${UpdateChoice} in Update) echo "::: Updating existing install" useUpdateVars=true ;; Install) echo "::: Running complete install script" useUpdateVars=false ;; esac else echo "::: Cancel selected. Exiting..." exit 1 fi } ######## SCRIPT ############ if [[ -f ${setupVars} ]];then . ${setupVars} if [ "$1" == "pihole" ]; then useUpdateVars=true else updateDialogs fi fi # Start the installer # Install packages used by this installation script installerDependencies if [[ ${useUpdateVars} == false ]]; then welcomeDialogs # Verify there is enough disk space for the install verifyFreeDiskSpace ${SUDO} mkdir -p /etc/pihole/ # Find IP used to route to outside world findIPRoute # 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 # Install and log everything to a file installPihole | tee ${tmpLog} else updatePihole | tee ${tmpLog} fi # Move the log file into /etc/pihole for storage ${SUDO} mv ${tmpLog} ${instalLogLoc} if [[ ${useUpdateVars} == false ]]; then displayFinalMessage fi echo -n "::: Restarting services..." # Start services if [ -x "$(command -v systemctl)" ]; then ${SUDO} systemctl enable dnsmasq ${SUDO} systemctl restart dnsmasq ${SUDO} systemctl enable lighttpd ${SUDO} systemctl start lighttpd else ${SUDO} service dnsmasq restart ${SUDO} service lighttpd start fi echo " done." echo ":::" if [[ ${useUpdateVars} == false ]]; then echo "::: Installation Complete! Configure your devices to use the Pi-hole as their DNS server using:" echo "::: ${IPv4addr%/*}" echo "::: $piholeIPv6" echo ":::" echo "::: If you set a new IP address, you should restart the Pi." else echo "::: Update complete!" fi echo ":::" echo "::: The install log is located at: /etc/pihole/install.log" echo "::: View the web interface at http://pi.hole/admin or http://${IPv4addr%/*}/admin"