mirror of
https://github.com/pi-hole/pi-hole
synced 2024-12-23 07:18:07 +00:00
1342 lines
46 KiB
Bash
Executable File
1342 lines
46 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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lighttpdConfig=/etc/lighttpd/lighttpd.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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PI_HOLE_LOCAL_REPO="/etc/.pihole"
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PI_HOLE_FILES=(chronometer list piholeDebug piholeLogFlush setupLCD update version gravity uninstall webpage)
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PI_HOLE_INSTALL_DIR="/opt/pihole"
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useUpdateVars=false
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IPV4_ADDRESS=""
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IPV6_ADDRESS=""
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QUERY_LOGGING=true
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INSTALL_WEB=true
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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=$(( c < 70 ? 70 : c ))
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######## Undocumented Flags. Shhh ########
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skipSpaceCheck=false
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reconfigure=false
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runUnattended=false
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# Compatibility
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distro_check() {
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if command -v apt-get &> /dev/null; then
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#Debian Family
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#############################################
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PKG_MANAGER="apt-get"
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UPDATE_PKG_CACHE="${PKG_MANAGER} update"
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PKG_INSTALL=(${PKG_MANAGER} --yes --no-install-recommends install)
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# grep -c will return 1 retVal on 0 matches, block this throwing the set -e with an OR TRUE
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PKG_COUNT="${PKG_MANAGER} -s -o Debug::NoLocking=true upgrade | grep -c ^Inst || true"
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# #########################################
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# fixes for dependency differences
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# Debian 7 doesn't have iproute2 use iproute
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if ${PKG_MANAGER} install --dry-run iproute2 > /dev/null 2>&1; then
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iproute_pkg="iproute2"
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else
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iproute_pkg="iproute"
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fi
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# Prefer the php metapackage if it's there, fall back on the php5 packages
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if ${PKG_MANAGER} install --dry-run php > /dev/null 2>&1; then
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phpVer="php"
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else
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phpVer="php5"
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fi
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# #########################################
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INSTALLER_DEPS=(apt-utils debconf dhcpcd5 git ${iproute_pkg} whiptail)
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PIHOLE_DEPS=(bc cron curl dnsmasq dnsutils iputils-ping lsof netcat sudo unzip wget)
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PIHOLE_WEB_DEPS=(lighttpd ${phpVer}-common ${phpVer}-cgi)
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LIGHTTPD_USER="www-data"
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LIGHTTPD_GROUP="www-data"
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LIGHTTPD_CFG="lighttpd.conf.debian"
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DNSMASQ_USER="dnsmasq"
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elif command -v rpm &> /dev/null; then
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# Fedora Family
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if command -v dnf &> /dev/null; then
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PKG_MANAGER="dnf"
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else
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PKG_MANAGER="yum"
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fi
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# Fedora and family update cache on every PKG_INSTALL call, no need for a separate update.
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UPDATE_PKG_CACHE=":"
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PKG_INSTALL=(${PKG_MANAGER} install -y)
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PKG_COUNT="${PKG_MANAGER} check-update | egrep '(.i686|.x86|.noarch|.arm|.src)' | wc -l"
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INSTALLER_DEPS=(git iproute net-tools newt procps-ng)
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PIHOLE_DEPS=(bc bind-utils cronie curl dnsmasq findutils nmap-ncat sudo unzip wget)
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PIHOLE_WEB_DEPS=(lighttpd lighttpd-fastcgi php php-common php-cli)
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if ! grep -q 'Fedora' /etc/redhat-release; then
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INSTALLER_DEPS=("${INSTALLER_DEPS[@]}" "epel-release");
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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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else
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echo "OS distribution not supported"
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exit
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fi
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}
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is_repo() {
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# Use git to check if directory is currently under VCS, return the value 128
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# if directory is not a repo. Return 1 if directory does not exist.
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local directory="${1}"
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local curdir
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local rc
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curdir="${PWD}"
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if [[ -d "${directory}" ]]; then
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# git -C is not used here to support git versions older than 1.8.4
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cd "${directory}"
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git status --short &> /dev/null || rc=$?
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else
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# non-zero return code if directory does not exist
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rc=1
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fi
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cd "${curdir}"
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return "${rc:-0}"
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}
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make_repo() {
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local directory="${1}"
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local remoteRepo="${2}"
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echo -n "::: Cloning ${remoteRepo} into ${directory}..."
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# Clean out the directory if it exists for git to clone into
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if [[ -d "${directory}" ]]; then
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rm -rf "${directory}"
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fi
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git clone -q --depth 1 "${remoteRepo}" "${directory}" &> /dev/null || return $?
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echo " done!"
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return 0
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}
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update_repo() {
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local directory="${1}"
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local curdir
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curdir="${PWD}"
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cd "${directory}" &> /dev/null || return 1
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# Pull the latest commits
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echo -n "::: Updating repo in ${1}..."
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git stash --all --quiet &> /dev/null || true # Okay for stash failure
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git clean --force -d || true # Okay for already clean directory
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git pull --quiet &> /dev/null || return $?
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echo " done!"
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cd "${curdir}" &> /dev/null || return 1
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return 0
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}
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getGitFiles() {
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# Setup git repos for directory and repository passed
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# as arguments 1 and 2
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local directory="${1}"
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local remoteRepo="${2}"
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echo ":::"
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echo "::: Checking for existing repository..."
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if is_repo "${directory}"; then
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update_repo "${directory}" || { echo "*** Error: Could not update local repository. Contact support."; exit 1; }
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echo " done!"
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else
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make_repo "${directory}" "${remoteRepo}" || { echo "Unable to clone repository, please contact support"; exit 1; }
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echo " done!"
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fi
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return 0
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}
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find_IPv4_information() {
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local route
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# Find IP used to route to outside world
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route=$(ip route get 8.8.8.8)
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IPv4dev=$(awk '{for (i=1; i<=NF; i++) if ($i~/dev/) print $(i+1)}' <<< "${route}")
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IPv4bare=$(awk '{print $7}' <<< "${route}")
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IPV4_ADDRESS=$(ip -o -f inet addr show | grep "${IPv4bare}" | awk '{print $4}' | awk 'END {print}')
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IPv4gw=$(awk '{print $3}' <<< "${route}")
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}
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get_available_interfaces() {
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# Get available UP interfaces.
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availableInterfaces=$(ip -o link | grep -v "state DOWN\|lo" | awk '{print $2}' | 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 ${existing_free_kilobytes} KiloBytes free."
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echo "::: If this is a new install you may need to expand your disk."
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echo "::: Try running 'sudo raspi-config', and choose the 'expand file system option'"
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echo "::: After rebooting, run this installation again. (curl -L https://install.pi-hole.net | bash)"
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echo "Insufficient free space, exiting..."
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exit 1
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fi
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}
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chooseInterface() {
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# Turn the available interfaces into an array so it can be used with a whiptail dialog
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local interfacesArray=()
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# Number of available interfaces
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local interfaceCount
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# Whiptail variable storage
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local chooseInterfaceCmd
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# Temporary Whiptail options storage
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local chooseInterfaceOptions
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# Loop sentinel variable
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local firstLoop=1
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# Find out how many interfaces are available to choose from
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interfaceCount=$(echo "${availableInterfaces}" | wc -l)
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if [[ ${interfaceCount} -eq 1 ]]; then
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PIHOLE_INTERFACE="${availableInterfaces}"
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else
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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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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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{ echo "::: Cancel selected. Exiting"; exit 1; }
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for desiredInterface in ${chooseInterfaceOptions}; do
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PIHOLE_INTERFACE=${desiredInterface}
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echo "::: Using interface: $PIHOLE_INTERFACE"
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done
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fi
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}
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useIPv6dialog() {
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# Show the IPv6 address used for blocking
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IPV6_ADDRESS=$(ip -6 route get 2001:4860:4860::8888 | grep -v "unreachable" | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
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if [[ ! -z "${IPV6_ADDRESS}" ]]; then
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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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fi
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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} ${c} 2)
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options=(IPv4 "Block ads over IPv4" on
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IPv6 "Block ads over IPv6" on)
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choices=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty) || { echo "::: Cancel selected. Exiting"; exit 1; }
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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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}
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getStaticIPv4Settings() {
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local ipSettingsCorrect
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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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# Cancelling IPv4 settings window
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{ ipSettingsCorrect=False; echo "::: Cancel selected. Exiting..."; exit 1; }
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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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# Cancelling gateway settings window
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{ ipSettingsCorrect=False; echo "::: Cancel selected. Exiting..."; exit 1; }
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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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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 ${PIHOLE_INTERFACE}
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static ip_address=${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 "${IPV4_ADDRESS}" /etc/dhcpcd.conf; then
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echo "::: Static IP already configured"
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else
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setDHCPCD
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ip addr replace dev "${PIHOLE_INTERFACE}" "${IPV4_ADDRESS}"
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echo ":::"
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echo "::: Setting IP to ${IPV4_ADDRESS}. You may need to restart after the install is complete."
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echo ":::"
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fi
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elif [[ -f /etc/sysconfig/network-scripts/ifcfg-${PIHOLE_INTERFACE} ]];then
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# Fedora Family
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IFCFG_FILE=/etc/sysconfig/network-scripts/ifcfg-${PIHOLE_INTERFACE}
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if grep -q "${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}" "${IFCFG_FILE}".pihole.orig
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# Build Interface configuration file:
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{
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echo "# Configured via Pi-Hole installer"
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echo "DEVICE=$PIHOLE_INTERFACE"
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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=$IPv4gw"
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echo "DNS1=$PIHOLE_DNS_1"
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echo "DNS2=$PIHOLE_DNS_2"
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echo "USERCTL=no"
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}> "${IFCFG_FILE}"
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ip addr replace dev "${PIHOLE_INTERFACE}" "${IPV4_ADDRESS}"
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if command -v nmcli &> /dev/null;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
|
|
return ${stat}
|
|
}
|
|
|
|
setDNS() {
|
|
local DNSSettingsCorrect
|
|
|
|
DNSChooseOptions=(Google ""
|
|
OpenDNS ""
|
|
Level3 ""
|
|
Norton ""
|
|
Comodo ""
|
|
DNSWatch ""
|
|
Custom "")
|
|
DNSchoices=$(whiptail --separate-output --menu "Select Upstream DNS Provider. To use your own, select Custom." ${r} ${c} 6 \
|
|
"${DNSChooseOptions[@]}" 2>&1 >/dev/tty) || \
|
|
{ echo "::: Cancel selected. Exiting"; exit 1; }
|
|
case ${DNSchoices} in
|
|
Google)
|
|
echo "::: Using Google DNS servers."
|
|
PIHOLE_DNS_1="8.8.8.8"
|
|
PIHOLE_DNS_2="8.8.4.4"
|
|
;;
|
|
OpenDNS)
|
|
echo "::: Using OpenDNS servers."
|
|
PIHOLE_DNS_1="208.67.222.222"
|
|
PIHOLE_DNS_2="208.67.220.220"
|
|
;;
|
|
Level3)
|
|
echo "::: Using Level3 servers."
|
|
PIHOLE_DNS_1="4.2.2.1"
|
|
PIHOLE_DNS_2="4.2.2.2"
|
|
;;
|
|
Norton)
|
|
echo "::: Using Norton ConnectSafe servers."
|
|
PIHOLE_DNS_1="199.85.126.10"
|
|
PIHOLE_DNS_2="199.85.127.10"
|
|
;;
|
|
Comodo)
|
|
echo "::: Using Comodo Secure servers."
|
|
PIHOLE_DNS_1="8.26.56.26"
|
|
PIHOLE_DNS_2="8.20.247.20"
|
|
;;
|
|
DNSWatch)
|
|
echo "::: Using DNS.WATCH servers."
|
|
PIHOLE_DNS_1="84.200.69.80"
|
|
PIHOLE_DNS_2="84.200.70.40"
|
|
;;
|
|
Custom)
|
|
until [[ ${DNSSettingsCorrect} = True ]]; do
|
|
strInvalid="Invalid"
|
|
if [ ! ${PIHOLE_DNS_1} ]; then
|
|
if [ ! ${PIHOLE_DNS_2} ]; then
|
|
prePopulate=""
|
|
else
|
|
prePopulate=", ${PIHOLE_DNS_2}"
|
|
fi
|
|
elif [ ${PIHOLE_DNS_1} ] && [ ! ${PIHOLE_DNS_2} ]; then
|
|
prePopulate="${PIHOLE_DNS_1}"
|
|
elif [ ${PIHOLE_DNS_1} ] && [ ${PIHOLE_DNS_2} ]; then
|
|
prePopulate="${PIHOLE_DNS_1}, ${PIHOLE_DNS_2}"
|
|
fi
|
|
|
|
piholeDNS=$(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) || \
|
|
{ echo "::: Cancel selected. Exiting"; exit 1; }
|
|
PIHOLE_DNS_1=$(echo "${piholeDNS}" | sed 's/[, \t]\+/,/g' | awk -F, '{print$1}')
|
|
PIHOLE_DNS_2=$(echo "${piholeDNS}" | sed 's/[, \t]\+/,/g' | awk -F, '{print$2}')
|
|
if ! valid_ip "${PIHOLE_DNS_1}" || [ ! "${PIHOLE_DNS_1}" ]; then
|
|
PIHOLE_DNS_1=${strInvalid}
|
|
fi
|
|
if ! valid_ip "${PIHOLE_DNS_2}" && [ "${PIHOLE_DNS_2}" ]; then
|
|
PIHOLE_DNS_2=${strInvalid}
|
|
fi
|
|
if [[ ${PIHOLE_DNS_1} == "${strInvalid}" ]] || [[ ${PIHOLE_DNS_2} == "${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: $PIHOLE_DNS_1\n DNS Server 2: ${PIHOLE_DNS_2}" ${r} ${c}
|
|
if [[ ${PIHOLE_DNS_1} == "${strInvalid}" ]]; then
|
|
PIHOLE_DNS_1=""
|
|
fi
|
|
if [[ ${PIHOLE_DNS_2} == "${strInvalid}" ]]; then
|
|
PIHOLE_DNS_2=""
|
|
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: $PIHOLE_DNS_1\n DNS Server 2: ${PIHOLE_DNS_2}" ${r} ${c}); then
|
|
DNSSettingsCorrect=True
|
|
else
|
|
# If the settings are wrong, the loop continues
|
|
DNSSettingsCorrect=False
|
|
fi
|
|
fi
|
|
done
|
|
;;
|
|
esac
|
|
}
|
|
|
|
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} ${c} 6)
|
|
LogChooseOptions=("On (Recommended)" "" on
|
|
Off "" off)
|
|
LogChoices=$("${LogToggleCommand[@]}" "${LogChooseOptions[@]}" 2>&1 >/dev/tty) || (echo "::: Cancel selected. Exiting..." && exit 1)
|
|
case ${LogChoices} in
|
|
"On (Recommended)")
|
|
echo "::: Logging On."
|
|
QUERY_LOGGING=true
|
|
;;
|
|
Off)
|
|
echo "::: Logging Off."
|
|
QUERY_LOGGING=false
|
|
;;
|
|
esac
|
|
}
|
|
|
|
setAdminFlag() {
|
|
local WebToggleCommand
|
|
local WebChooseOptions
|
|
local WebChoices
|
|
|
|
WebToggleCommand=(whiptail --separate-output --radiolist "Do you wish to install the web admin interface?" ${r} ${c} 6)
|
|
WebChooseOptions=("On (Recommended)" "" on
|
|
Off "" off)
|
|
WebChoices=$("${WebToggleCommand[@]}" "${WebChooseOptions[@]}" 2>&1 >/dev/tty) || (echo "::: Cancel selected. Exiting..." && exit 1)
|
|
case ${WebChoices} in
|
|
"On (Recommended)")
|
|
echo "::: Web Interface On."
|
|
INSTALL_WEB=true
|
|
;;
|
|
Off)
|
|
echo "::: Web Interface off."
|
|
INSTALL_WEB=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} ${dnsmasq_pihole_01_location}
|
|
echo " done."
|
|
sed -i "s/@INT@/$PIHOLE_INTERFACE/" ${dnsmasq_pihole_01_location}
|
|
if [[ "${PIHOLE_DNS_1}" != "" ]]; then
|
|
sed -i "s/@DNS1@/$PIHOLE_DNS_1/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^server=@DNS1@/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
if [[ "${PIHOLE_DNS_2}" != "" ]]; then
|
|
sed -i "s/@DNS2@/$PIHOLE_DNS_2/" ${dnsmasq_pihole_01_location}
|
|
else
|
|
sed -i '/^server=@DNS2@/d' ${dnsmasq_pihole_01_location}
|
|
fi
|
|
|
|
sed -i 's/^#conf-dir=\/etc\/dnsmasq.d$/conf-dir=\/etc\/dnsmasq.d/' ${dnsmasq_conf}
|
|
|
|
if [[ "${QUERY_LOGGING}" == 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
|
|
}
|
|
|
|
clean_existing() {
|
|
# Clean an exiting installation to prepare for upgrade/reinstall
|
|
# ${1} Directory to clean; ${2} Array of files to remove
|
|
local clean_directory="${1}"
|
|
shift
|
|
local old_files=( "$@" )
|
|
|
|
for script in "${old_files[@]}"; do
|
|
rm -f "${clean_directory}/${script}.sh"
|
|
done
|
|
}
|
|
|
|
installScripts() {
|
|
# Install the scripts from repository to their various locations
|
|
|
|
echo ":::"
|
|
echo -n "::: Installing scripts from ${PI_HOLE_LOCAL_REPO}..."
|
|
|
|
# Clear out script files from Pi-hole scripts directory.
|
|
clean_existing "${PI_HOLE_INSTALL_DIR}" "${PI_HOLE_FILES[@]}"
|
|
|
|
# Install files from local core repository
|
|
if is_repo "${PI_HOLE_LOCAL_REPO}"; then
|
|
cd "${PI_HOLE_LOCAL_REPO}"
|
|
install -o "${USER}" -Dm755 -d "${PI_HOLE_INSTALL_DIR}"
|
|
install -o "${USER}" -Dm755 -t "${PI_HOLE_INSTALL_DIR}" gravity.sh
|
|
install -o "${USER}" -Dm755 -t "${PI_HOLE_INSTALL_DIR}" ./advanced/Scripts/*.sh
|
|
install -o "${USER}" -Dm755 -t "${PI_HOLE_INSTALL_DIR}" ./automated\ install/uninstall.sh
|
|
install -o "${USER}" -Dm755 -t /usr/local/bin/ pihole
|
|
install -Dm644 ./advanced/bash-completion/pihole /etc/bash_completion.d/pihole
|
|
echo " done."
|
|
else
|
|
echo " *** ERROR: Local repo ${PI_HOLE_LOCAL_REPO} not found, exiting."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
installConfigs() {
|
|
# Install the configs from /etc/.pihole to their various locations
|
|
echo ":::"
|
|
echo "::: Installing configs..."
|
|
version_check_dnsmasq
|
|
|
|
#Only mess with lighttpd configs if user has chosen to install web interface
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
if [ ! -d "/etc/lighttpd" ]; then
|
|
mkdir /etc/lighttpd
|
|
chown "${USER}":root /etc/lighttpd
|
|
elif [ -f "/etc/lighttpd/lighttpd.conf" ]; then
|
|
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
|
|
fi
|
|
}
|
|
|
|
stop_service() {
|
|
# Stop service passed in as argument.
|
|
# Can softfail, as process may not be installed when this is called
|
|
echo ":::"
|
|
echo -n "::: Stopping ${1} service..."
|
|
if command -v systemctl &> /dev/null; then
|
|
systemctl stop "${1}" &> /dev/null || true
|
|
else
|
|
service "${1}" stop &> /dev/null || 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 ${1} service..."
|
|
if command -v systemctl &> /dev/null; then
|
|
systemctl restart "${1}" &> /dev/null
|
|
else
|
|
service "${1}" restart &> /dev/null
|
|
fi
|
|
echo " done."
|
|
}
|
|
|
|
enable_service() {
|
|
# Enable service so that it will start with next reboot
|
|
echo ":::"
|
|
echo -n "::: Enabling ${1} service to start on reboot..."
|
|
if command -v systemctl &> /dev/null; then
|
|
systemctl enable "${1}" &> /dev/null
|
|
else
|
|
update-rc.d "${1}" defaults &> /dev/null
|
|
fi
|
|
echo " done."
|
|
}
|
|
|
|
update_package_cache() {
|
|
#Running apt-get update/upgrade with minimal output can cause some issues with
|
|
#requiring user input (e.g password for phpmyadmin see #218)
|
|
|
|
#Update package cache on apt based OSes. Do this every time since
|
|
#it's quick and packages can be updated at any time.
|
|
|
|
echo ":::"
|
|
echo -n "::: Updating local cache of available packages..."
|
|
if eval ${UPDATE_PKG_CACHE} &> /dev/null; then
|
|
echo " done!"
|
|
else
|
|
echo -n "\n!!! ERROR - Unable to update package cache. Please try \"${UPDATE_PKG_CACHE}\""
|
|
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 "${PKG_COUNT}")
|
|
echo " done!"
|
|
echo ":::"
|
|
if [[ -d "/lib/modules/$(uname -r)" ]]; then
|
|
if [[ ${updatesToInstall} -eq "0" ]]; then
|
|
echo "::: Your system is up to date! Continuing with Pi-hole installation..."
|
|
else
|
|
echo "::: There are ${updatesToInstall} updates available for your system!"
|
|
echo "::: We recommend you update your OS after installing Pi-Hole! "
|
|
echo ":::"
|
|
fi
|
|
else
|
|
echo "::: Kernel update detected, please reboot your system and try again if your installation fails."
|
|
fi
|
|
}
|
|
|
|
install_dependent_packages() {
|
|
# Install packages passed in via argument array
|
|
# No spinner - conflicts with set -e
|
|
declare -a argArray1=("${!1}")
|
|
declare -a installArray
|
|
|
|
# Debian based package install - debconf will download the entire package list
|
|
# so we just create an array of packages not currently installed to cut down on the
|
|
# amount of download traffic.
|
|
# NOTE: We may be able to use this installArray in the future to create a list of package that were
|
|
# installed by us, and remove only the installed packages, and not the entire list.
|
|
if command -v debconf-apt-progress &> /dev/null; then
|
|
for i in "${argArray1[@]}"; do
|
|
echo -n "::: Checking for $i..."
|
|
if dpkg-query -W -f='${Status}' "${i}" 2>/dev/null | grep "ok installed" &> /dev/null; then
|
|
echo " installed!"
|
|
else
|
|
echo " added to install list!"
|
|
installArray+=("${i}")
|
|
fi
|
|
done
|
|
if [[ ${#installArray[@]} -gt 0 ]]; then
|
|
debconf-apt-progress -- "${PKG_INSTALL[@]}" "${installArray[@]}"
|
|
return
|
|
fi
|
|
return 0
|
|
fi
|
|
|
|
#Fedora/CentOS
|
|
for i in "${argArray1[@]}"; do
|
|
echo -n "::: Checking for $i..."
|
|
if ${PKG_MANAGER} -q list installed "${i}" &> /dev/null; then
|
|
echo " installed!"
|
|
else
|
|
echo " added to install list!"
|
|
installArray+=("${i}")
|
|
fi
|
|
done
|
|
if [[ ${#installArray[@]} -gt 0 ]]; then
|
|
"${PKG_INSTALL[@]}" "${installArray[@]}" &> /dev/null
|
|
return
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
CreateLogFile() {
|
|
# Create logfiles if necessary
|
|
echo ":::"
|
|
echo -n "::: Creating log file and changing owner to dnsmasq..."
|
|
if [ ! -f /var/log/pihole.log ]; then
|
|
touch /var/log/pihole.log
|
|
chmod 644 /var/log/pihole.log
|
|
chown "${DNSMASQ_USER}":root /var/log/pihole.log
|
|
echo " done!"
|
|
else
|
|
echo " already exists!"
|
|
fi
|
|
}
|
|
|
|
installPiholeWeb() {
|
|
# Install the web interface
|
|
echo ":::"
|
|
echo "::: Installing pihole custom index page..."
|
|
if [ -d "/var/www/html/pihole" ]; then
|
|
if [ -f "/var/www/html/pihole/index.php" ]; then
|
|
echo "::: Existing index.php detected, not overwriting"
|
|
else
|
|
echo -n "::: index.php missing, replacing... "
|
|
cp /etc/.pihole/advanced/index.php /var/www/html/pihole/
|
|
echo " done!"
|
|
fi
|
|
|
|
if [ -f "/var/www/html/pihole/index.js" ]; then
|
|
echo "::: Existing index.js detected, not overwriting"
|
|
else
|
|
echo -n "::: index.js missing, replacing... "
|
|
cp /etc/.pihole/advanced/index.js /var/www/html/pihole/
|
|
echo " done!"
|
|
fi
|
|
|
|
if [ -f "/var/www/html/pihole/blockingpage.css" ]; then
|
|
echo "::: Existing blockingpage.css detected, not overwriting"
|
|
else
|
|
echo -n "::: blockingpage.css missing, replacing... "
|
|
cp /etc/.pihole/advanced/blockingpage.css /var/www/html/pihole
|
|
echo " done!"
|
|
fi
|
|
|
|
else
|
|
echo "::: Creating directory for blocking page"
|
|
install -d /var/www/html/pihole
|
|
install -D /etc/.pihole/advanced/{index,blockingpage}.* /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
|
|
echo " done!"
|
|
fi
|
|
|
|
# Install Sudoer file
|
|
echo ":::"
|
|
echo -n "::: Installing sudoer file..."
|
|
mkdir -p /etc/sudoers.d/
|
|
cp /etc/.pihole/advanced/pihole.sudo /etc/sudoers.d/pihole
|
|
# Add lighttpd user (OS dependent) to sudoers file
|
|
echo "${LIGHTTPD_USER} ALL=NOPASSWD: /usr/local/bin/pihole" >> /etc/sudoers.d/pihole
|
|
|
|
if [[ "$LIGHTTPD_USER" == "lighttpd" ]]; then
|
|
# Allow executing pihole via sudo with Fedora
|
|
# Usually /usr/local/bin is not permitted as directory for sudoable programms
|
|
echo "Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin" >> /etc/sudoers.d/pihole
|
|
fi
|
|
|
|
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
|
|
# Test if /etc/pihole/adlists.default exists
|
|
if [[ ! -e /etc/pihole/adlists.default ]]; then
|
|
cp /etc/.pihole/adlists.default /etc/pihole/adlists.default
|
|
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..."
|
|
if id -u pihole &> /dev/null; then
|
|
echo "::: User 'pihole' already exists"
|
|
else
|
|
echo "::: User 'pihole' doesn't exist. Creating..."
|
|
useradd -r -s /usr/sbin/nologin pihole
|
|
fi
|
|
}
|
|
|
|
configureFirewall() {
|
|
# Allow HTTP and DNS traffic
|
|
if firewall-cmd --state &> /dev/null; then
|
|
whiptail --title "Firewall in use" --yesno "We have detected a running firewall\n\nPi-hole currently requires HTTP and DNS port access.\n\n\n\nInstall Pi-hole default firewall rules?" ${r} ${c} || \
|
|
{ echo -e ":::\n::: Not installing firewall rulesets."; return 0; }
|
|
echo -e ":::\n:::\n Configuring FirewallD for httpd and dnsmasq."
|
|
firewall-cmd --permanent --add-port=80/tcp --add-port=53/tcp --add-port=53/udp
|
|
firewall-cmd --reload
|
|
return 0
|
|
# Check for proper kernel modules to prevent failure
|
|
elif modinfo ip_tables &> /dev/null && command -v iptables &> /dev/null; then
|
|
# If chain Policy is not ACCEPT or last Rule is not ACCEPT
|
|
# then check and insert our Rules above the DROP/REJECT Rule.
|
|
if iptables -S INPUT | head -n1 | grep -qv '^-P.*ACCEPT$' || iptables -S INPUT | tail -n1 | grep -qv '^-\(A\|P\).*ACCEPT$'; then
|
|
whiptail --title "Firewall in use" --yesno "We have detected a running firewall\n\nPi-hole currently requires HTTP and DNS port access.\n\n\n\nInstall Pi-hole default firewall rules?" ${r} ${c} || \
|
|
{ echo -e ":::\n::: Not installing firewall rulesets."; return 0; }
|
|
echo -e ":::\n::: Installing new IPTables firewall rulesets."
|
|
# Check chain first, otherwise a new rule will duplicate old ones
|
|
iptables -C INPUT -p tcp -m tcp --dport 80 -j ACCEPT &> /dev/null || iptables -I INPUT 1 -p tcp -m tcp --dport 80 -j ACCEPT
|
|
iptables -C INPUT -p tcp -m tcp --dport 53 -j ACCEPT &> /dev/null || iptables -I INPUT 1 -p tcp -m tcp --dport 53 -j ACCEPT
|
|
iptables -C INPUT -p udp -m udp --dport 53 -j ACCEPT &> /dev/null || iptables -I INPUT 1 -p udp -m udp --dport 53 -j ACCEPT
|
|
return 0
|
|
fi
|
|
else
|
|
echo -e ":::\n::: No active firewall detected.. skipping firewall configuration."
|
|
return 0
|
|
fi
|
|
echo -e ":::\n::: Skipping firewall configuration."
|
|
}
|
|
|
|
finalExports() {
|
|
|
|
if [[ ${INSTALL_WEB} == false ]]; then
|
|
#No web interface installed, and therefore no block page set IPV4/6 to 0.0.0.0 and ::/0
|
|
if [ ${IPV4_ADDRESS} ]; then
|
|
IPV4_ADDRESS="0.0.0.0"
|
|
fi
|
|
if [ ${IPV6_ADDRESS} ]; then
|
|
IPV6_ADDRESS="::/0"
|
|
fi
|
|
fi
|
|
|
|
# Update variables in setupVars.conf file
|
|
if [ -e "${setupVars}" ]; then
|
|
sed -i.update.bak '/PIHOLE_INTERFACE/d;/IPV4_ADDRESS/d;/IPV6_ADDRESS/d;/PIHOLE_DNS_1/d;/PIHOLE_DNS_2/d;/QUERY_LOGGING/d;' "${setupVars}"
|
|
fi
|
|
{
|
|
echo "PIHOLE_INTERFACE=${PIHOLE_INTERFACE}"
|
|
echo "IPV4_ADDRESS=${IPV4_ADDRESS}"
|
|
echo "IPV6_ADDRESS=${IPV6_ADDRESS}"
|
|
echo "PIHOLE_DNS_1=${PIHOLE_DNS_1}"
|
|
echo "PIHOLE_DNS_2=${PIHOLE_DNS_2}"
|
|
echo "QUERY_LOGGING=${QUERY_LOGGING}"
|
|
echo "INSTALL_WEB=${INSTALL_WEB}"
|
|
}>> "${setupVars}"
|
|
|
|
# Look for DNS server settings which would have to be reapplied
|
|
source "${setupVars}"
|
|
source "/etc/.pihole/advanced/Scripts/webpage.sh"
|
|
|
|
if [[ "${DNS_FQDN_REQUIRED}" != "" ]] ; then
|
|
ProcessDNSSettings
|
|
fi
|
|
|
|
if [[ "${DHCP_ACTIVE}" != "" ]] ; then
|
|
ProcessDHCPSettings
|
|
fi
|
|
}
|
|
|
|
installLogrotate() {
|
|
# Install the logrotate script
|
|
echo ":::"
|
|
echo -n "::: Installing latest logrotate script..."
|
|
cp /etc/.pihole/advanced/logrotate /etc/pihole/logrotate
|
|
# Different operating systems have different user / group
|
|
# settings for logrotate that makes it impossible to create
|
|
# a static logrotate file that will work with e.g.
|
|
# Rasbian and Ubuntu at the same time. Hence, we have to
|
|
# customize the logrotate script here in order to reflect
|
|
# the local properties of the /var/log directory
|
|
logusergroup="$(stat -c '%U %G' /var/log)"
|
|
if [[ ! -z $logusergroup ]]; then
|
|
sed -i "s/# su #/su ${logusergroup}/" /etc/pihole/logrotate
|
|
fi
|
|
echo " done!"
|
|
}
|
|
|
|
installPihole() {
|
|
# Install base files and web interface
|
|
create_pihole_user
|
|
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
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
|
|
fi
|
|
installScripts
|
|
installConfigs
|
|
CreateLogFile
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
installPiholeWeb
|
|
fi
|
|
installCron
|
|
installLogrotate
|
|
configureFirewall
|
|
finalExports
|
|
#runGravity
|
|
}
|
|
|
|
accountForRefactor() {
|
|
# At some point in the future this list can be pruned, for now we'll need it to ensure updates don't break.
|
|
|
|
# Refactoring of install script has changed the name of a couple of variables. Sort them out here.
|
|
|
|
sed -i 's/piholeInterface/PIHOLE_INTERFACE/g' ${setupVars}
|
|
sed -i 's/IPv4_address/IPV4_ADDRESS/g' ${setupVars}
|
|
sed -i 's/IPv4addr/IPV4_ADDRESS/g' ${setupVars}
|
|
sed -i 's/IPv6_address/IPV6_ADDRESS/g' ${setupVars}
|
|
sed -i 's/piholeIPv6/IPV6_ADDRESS/g' ${setupVars}
|
|
sed -i 's/piholeDNS1/PIHOLE_DNS_1/g' ${setupVars}
|
|
sed -i 's/piholeDNS2/PIHOLE_DNS_2/g' ${setupVars}
|
|
|
|
}
|
|
|
|
updatePihole() {
|
|
accountForRefactor
|
|
# Install base files and web interface
|
|
installScripts
|
|
installConfigs
|
|
CreateLogFile
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
installPiholeWeb
|
|
fi
|
|
installCron
|
|
installLogrotate
|
|
finalExports #re-export setupVars.conf to account for any new vars added in new versions
|
|
#runGravity
|
|
}
|
|
|
|
|
|
|
|
checkSelinux() {
|
|
if command -v getenforce &> /dev/null; then
|
|
echo ":::"
|
|
echo -n "::: SELinux Support Detected... Mode: "
|
|
enforceMode=$(getenforce)
|
|
echo "${enforceMode}"
|
|
if [[ "${enforceMode}" == "Enforcing" ]]; then
|
|
whiptail --title "SELinux Enforcing Detected" --yesno "SELinux is being Enforced on your system!\n\nPi-hole currently does not support SELinux, but you may still continue with the installation.\n\nNote: Admin UI Will not function fully without setting your policies correctly\n\nContinue installing Pi-hole?" ${r} ${c} || \
|
|
{ echo ":::"; echo "::: Not continuing install after SELinux Enforcing detected."; exit 1; }
|
|
echo ":::"
|
|
echo "::: Continuing installation with SELinux Enforcing."
|
|
echo "::: Please refer to official SELinux documentation to create a custom policy."
|
|
fi
|
|
fi
|
|
}
|
|
|
|
displayFinalMessage() {
|
|
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
additional="View the web interface at http://pi.hole/admin or http://${IPV4_ADDRESS%/*}/admin
|
|
|
|
Your Admin Webpage login password is ${1:-"NOT SET"}"
|
|
fi
|
|
|
|
# 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:-"Not Configured"}
|
|
|
|
If you set a new IP address, you should restart the Pi.
|
|
|
|
The install log is in /etc/pihole.
|
|
|
|
${additional}" ${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) || \
|
|
{ echo "::: Cancel selected. Exiting"; exit 1; }
|
|
|
|
case ${UpdateCmd} in
|
|
${opt1a})
|
|
echo "::: ${opt1a} option selected."
|
|
useUpdateVars=true
|
|
;;
|
|
${opt2a})
|
|
echo "::: ${opt2a} option selected"
|
|
useUpdateVars=false
|
|
;;
|
|
esac
|
|
}
|
|
|
|
clone_or_update_repos() {
|
|
if [[ "${reconfigure}" == true ]]; then
|
|
echo "::: --reconfigure passed to install script. Not downloading/updating local repos"
|
|
else
|
|
# Get Git files for Core and Admin
|
|
getGitFiles ${PI_HOLE_LOCAL_REPO} ${piholeGitUrl} || \
|
|
{ echo "!!! Unable to clone ${piholeGitUrl} into ${PI_HOLE_LOCAL_REPO}, unable to continue."; \
|
|
exit 1; \
|
|
}
|
|
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
getGitFiles ${webInterfaceDir} ${webInterfaceGitUrl} || \
|
|
{ echo "!!! Unable to clone ${webInterfaceGitUrl} into ${webInterfaceDir}, unable to continue."; \
|
|
exit 1; \
|
|
}
|
|
fi
|
|
fi
|
|
}
|
|
|
|
main() {
|
|
|
|
######## FIRST CHECK ########
|
|
# Must be root to install
|
|
echo ":::"
|
|
if [[ ${EUID} -eq 0 ]]; then
|
|
echo "::: You are root."
|
|
else
|
|
echo "::: Script called with non-root privileges. The Pi-hole installs server packages and configures"
|
|
echo "::: system networking, it requires elevated rights. Please check the contents of the script for"
|
|
echo "::: any concerns with this requirement. Please be sure to download this script from a trusted source."
|
|
echo ":::"
|
|
echo "::: Detecting the presence of the sudo utility for continuation of this install..."
|
|
|
|
if command -v sudo &> /dev/null; then
|
|
echo "::: Utility sudo located."
|
|
exec curl -sSL https://raw.githubusercontent.com/pi-hole/pi-hole/master/automated%20install/basic-install.sh | sudo bash "$@"
|
|
exit $?
|
|
else
|
|
echo "::: sudo is needed for the Web interface to run pihole commands. Please run this script as root and it will be automatically installed."
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
# Check for supported distribution
|
|
distro_check
|
|
|
|
# Check arguments for the undocumented flags
|
|
for var in "$@"; 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_package_cache
|
|
|
|
# Notify user of package availability
|
|
notify_package_updates_available
|
|
|
|
# Install packages used by this installation script
|
|
install_dependent_packages INSTALLER_DEPS[@]
|
|
|
|
# Check if SELinux is Enforcing
|
|
checkSelinux
|
|
|
|
|
|
if [[ ${useUpdateVars} == false ]]; then
|
|
# Display welcome dialogs
|
|
welcomeDialogs
|
|
# Create directory for Pi-hole storage
|
|
mkdir -p /etc/pihole/
|
|
|
|
stop_service dnsmasq
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
stop_service lighttpd
|
|
fi
|
|
# Determine available interfaces
|
|
get_available_interfaces
|
|
# Find interfaces and let the user choose one
|
|
chooseInterface
|
|
# Decide what upstream DNS Servers to use
|
|
setDNS
|
|
# Let the user decide if they want to block ads over IPv4 and/or IPv6
|
|
use4andor6
|
|
# Let the user decide if they want the web interface to be installed automatically
|
|
setAdminFlag
|
|
# Let the user decide if they want query logging enabled...
|
|
setLogging
|
|
# Clone/Update the repos
|
|
clone_or_update_repos
|
|
|
|
# Install packages used by the Pi-hole
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
DEPS=("${PIHOLE_DEPS[@]}" "${PIHOLE_WEB_DEPS[@]}")
|
|
else
|
|
DEPS=("${PIHOLE_DEPS[@]}")
|
|
fi
|
|
install_dependent_packages DEPS[@]
|
|
|
|
|
|
# Install and log everything to a file
|
|
installPihole | tee ${tmpLog}
|
|
else
|
|
# Clone/Update the repos
|
|
clone_or_update_repos
|
|
|
|
# Source ${setupVars} for use in the rest of the functions.
|
|
source ${setupVars}
|
|
|
|
# Install packages used by the Pi-hole
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
DEPS=("${PIHOLE_DEPS[@]}" "${PIHOLE_WEB_DEPS[@]}")
|
|
else
|
|
DEPS=("${PIHOLE_DEPS[@]}")
|
|
fi
|
|
install_dependent_packages DEPS[@]
|
|
|
|
updatePihole | tee ${tmpLog}
|
|
fi
|
|
|
|
# Move the log file into /etc/pihole for storage
|
|
mv ${tmpLog} ${instalLogLoc}
|
|
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
# Add password to web UI if there is none
|
|
pw=""
|
|
if [[ $(grep 'WEBPASSWORD' -c /etc/pihole/setupVars.conf) == 0 ]] ; then
|
|
pw=$(tr -dc _A-Z-a-z-0-9 < /dev/urandom | head -c 8)
|
|
/usr/local/bin/pihole -a -p "${pw}"
|
|
fi
|
|
fi
|
|
|
|
echo "::: Restarting services..."
|
|
# Start services
|
|
start_service dnsmasq
|
|
enable_service dnsmasq
|
|
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
start_service lighttpd
|
|
enable_service lighttpd
|
|
fi
|
|
|
|
runGravity
|
|
|
|
echo "::: done."
|
|
|
|
if [[ "${useUpdateVars}" == false ]]; then
|
|
displayFinalMessage "${pw}"
|
|
fi
|
|
|
|
echo ":::"
|
|
if [[ "${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."
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
echo "::: View the web interface at http://pi.hole/admin or http://${IPV4_ADDRESS%/*}/admin"
|
|
fi
|
|
else
|
|
echo "::: Update complete!"
|
|
fi
|
|
|
|
if [[ ${INSTALL_WEB} == true ]]; then
|
|
if (( ${#pw} > 0 )) ; then
|
|
echo ":::"
|
|
echo "::: Note: As security measure a password has been installed for your web interface"
|
|
echo "::: The currently set password is"
|
|
echo "::: ${pw}"
|
|
echo ":::"
|
|
echo "::: You can always change it using"
|
|
echo "::: pihole -a -p new_password"
|
|
fi
|
|
fi
|
|
|
|
echo ":::"
|
|
echo "::: The install log is located at: /etc/pihole/install.log"
|
|
}
|
|
|
|
if [[ "${PH_TEST}" != true ]] ; then
|
|
main "$@"
|
|
fi
|