mirror of
https://github.com/pi-hole/pi-hole
synced 2024-11-18 06:08:21 +00:00
2503 lines
101 KiB
Bash
Executable File
2503 lines
101 KiB
Bash
Executable File
#!/usr/bin/env bash
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# shellcheck disable=SC1090
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2017-2018 Pi-hole, LLC (https://pi-hole.net)
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# Network-wide ad blocking via your own hardware.
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#
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# Installs and Updates Pi-hole
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#
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# This file is copyright under the latest version of the EUPL.
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# Please see LICENSE file for your rights under this license.
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# pi-hole.net/donate
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#
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# Install with this command (from your Linux machine):
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#
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# curl -sSL https://install.pi-hole.net | bash
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# -e option instructs bash to immediately exit if any command [1] has a non-zero exit status
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# We do not want users to end up with a partially working install, so we exit the script
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# instead of continuing the installation with something broken
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set -e
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######## VARIABLES #########
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# For better maintainability, we store as much information that can change in variables
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# This allows us to make a change in one place that can propagate to all instances of the variable
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# These variables should all be GLOBAL variables, written in CAPS
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# Local variables will be in lowercase and will exist only within functions
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# It's still a work in progress, so you may see some variance in this guideline until it is complete
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# Location for final installation log storage
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installLogLoc=/etc/pihole/install.log
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# This is an important file as it contains information specific to the machine it's being installed on
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setupVars=/etc/pihole/setupVars.conf
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# Pi-hole uses lighttpd as a Web server, and this is the config file for it
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# shellcheck disable=SC2034
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lighttpdConfig=/etc/lighttpd/lighttpd.conf
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# This is a file used for the colorized output
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coltable=/opt/pihole/COL_TABLE
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# We store several other folders and
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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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# These are the names of pi-holes files, stored in an array
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PI_HOLE_FILES=(chronometer list piholeDebug piholeLogFlush setupLCD update version gravity uninstall webpage)
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# This folder is where the Pi-hole scripts will be installed
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PI_HOLE_INSTALL_DIR="/opt/pihole"
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useUpdateVars=false
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adlistFile="/etc/pihole/adlists.list"
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# Pi-hole needs an IP address; to begin, these variables are empty since we don't know what the IP is until
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# this script can run
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IPV4_ADDRESS=""
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IPV6_ADDRESS=""
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# By default, query logging is enabled and the dashboard is set to be installed
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QUERY_LOGGING=true
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INSTALL_WEB_INTERFACE=true
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if [ -z "${USER}" ]; then
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USER="$(id -un)"
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fi
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# Find the rows and columns will default to 80x24 if 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=$(( c < 70 ? 70 : c ))
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######## Undocumented Flags. Shhh ########
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# These are undocumented flags; some of which we can use when repairing an installation
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# The runUnattended flag is one example of this
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skipSpaceCheck=false
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reconfigure=false
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runUnattended=false
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INSTALL_WEB_SERVER=true
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# Check arguments for the undocumented flags
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for var in "$@"; do
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case "$var" in
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"--reconfigure" ) reconfigure=true;;
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"--i_do_not_follow_recommendations" ) skipSpaceCheck=true;;
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"--unattended" ) runUnattended=true;;
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"--disable-install-webserver" ) INSTALL_WEB_SERVER=false;;
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esac
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done
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# If the color table file exists,
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if [[ -f "${coltable}" ]]; then
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# source it
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source ${coltable}
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# Otherwise,
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else
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# Set these values so the installer can still run in color
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COL_NC='\e[0m' # No Color
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COL_LIGHT_GREEN='\e[1;32m'
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COL_LIGHT_RED='\e[1;31m'
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TICK="[${COL_LIGHT_GREEN}✓${COL_NC}]"
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CROSS="[${COL_LIGHT_RED}✗${COL_NC}]"
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INFO="[i]"
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# shellcheck disable=SC2034
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DONE="${COL_LIGHT_GREEN} done!${COL_NC}"
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OVER="\\r\\033[K"
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fi
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# A simple function that just echoes out our logo in ASCII format
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# This lets users know that it is a Pi-hole, LLC product
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show_ascii_berry() {
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echo -e "
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${COL_LIGHT_GREEN}.;;,.
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.ccccc:,.
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:cccclll:. ..,,
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:ccccclll. ;ooodc
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'ccll:;ll .oooodc
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.;cll.;;looo:.
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${COL_LIGHT_RED}.. ','.
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.',,,,,,'.
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.',,,,,,,,,,.
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.',,,,,,,,,,,,....
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....''',,,,,,,'.......
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......... .... .........
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.......... ..........
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.......... ..........
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......... .... .........
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........,,,,,,,'......
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....',,,,,,,,,,,,.
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.',,,,,,,,,'.
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.',,,,,,'.
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..'''.${COL_NC}
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"
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}
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# Compatibility
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distro_check() {
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# If apt-get is installed, then we know it's part of the Debian family
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if command -v apt-get &> /dev/null; then
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# Set some global variables here
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# We don't set them earlier since the family might be Red Hat, so these values would be different
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PKG_MANAGER="apt-get"
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# A variable to store the command used to update the package cache
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UPDATE_PKG_CACHE="${PKG_MANAGER} update"
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# An array for something...
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PKG_INSTALL=(${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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# Some distros vary slightly so these fixes for dependencies may apply
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# Debian 7 doesn't have iproute2 so if the dry run install is successful,
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if ${PKG_MANAGER} install --dry-run iproute2 > /dev/null 2>&1; then
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# we can install it
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iproute_pkg="iproute2"
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# Otherwise,
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else
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# use iproute
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iproute_pkg="iproute"
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fi
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# Check for and determine version number (major and minor) of current php install
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if command -v php &> /dev/null; then
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phpInsVersion="$(php -v | head -n1 | grep -Po '(?<=PHP )[^ ]+')"
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echo -e " ${INFO} Existing PHP installation detected : PHP version $phpInsVersion"
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phpInsMajor="$(echo "$phpInsVersion" | cut -d\. -f1)"
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phpInsMinor="$(echo "$phpInsVersion" | cut -d\. -f2)"
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# Is installed php version 7.0 or greater
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if [ "$(echo "$phpInsMajor.$phpInsMinor < 7.0" | bc )" == 0 ]; then
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phpInsNewer=true
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fi
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fi
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# Check if installed php is v 7.0, or newer to determine packages to install
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if [[ "$phpInsNewer" != true ]]; then
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# Prefer the php metapackage if it's there
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if ${PKG_MANAGER} install --dry-run php > /dev/null 2>&1; then
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phpVer="php"
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# fall back on the php5 packages
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else
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phpVer="php5"
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fi
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else
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# Newer php is installed, its common, cgi & sqlite counterparts are deps
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phpVer="php$phpInsMajor.$phpInsMinor"
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fi
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# We also need the correct version for `php-sqlite` (which differs across distros)
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if ${PKG_MANAGER} install --dry-run ${phpVer}-sqlite3 > /dev/null 2>&1; then
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phpSqlite="sqlite3"
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else
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phpSqlite="sqlite"
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fi
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# Since our install script is so large, we need several other programs to successfully get a machine provisioned
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# These programs are stored in an array so they can be looped through later
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INSTALLER_DEPS=(apt-utils dialog debconf dhcpcd5 git ${iproute_pkg} whiptail)
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# Pi-hole itself has several dependencies that also need to be installed
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PIHOLE_DEPS=(bc cron curl dnsutils iputils-ping lsof netcat psmisc sudo unzip wget idn2 sqlite3 libcap2-bin dns-root-data resolvconf)
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# The Web dashboard has some that also need to be installed
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# It's useful to separate the two since our repos are also setup as "Core" code and "Web" code
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PIHOLE_WEB_DEPS=(lighttpd ${phpVer}-common ${phpVer}-cgi ${phpVer}-${phpSqlite})
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# The Web server user,
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LIGHTTPD_USER="www-data"
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# group,
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LIGHTTPD_GROUP="www-data"
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# and config file
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LIGHTTPD_CFG="lighttpd.conf.debian"
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# A function to check...
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test_dpkg_lock() {
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# An iterator used for counting loop iterations
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i=0
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# fuser is a program to show which processes use the named files, sockets, or filesystems
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# So while the command is true
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while fuser /var/lib/dpkg/lock >/dev/null 2>&1 ; do
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# Wait half a second
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sleep 0.5
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# and increase the iterator
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((i=i+1))
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done
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# Always return success, since we only return if there is no
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# lock (anymore)
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return 0
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}
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# If apt-get is not found, check for rpm to see if it's a Red Hat family OS
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elif command -v rpm &> /dev/null; then
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# Then check if dnf or yum is the package manager
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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=(dialog git iproute net-tools newt procps-ng which)
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PIHOLE_DEPS=(bc bind-utils cronie curl findutils nmap-ncat sudo unzip wget libidn2 psmisc)
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PIHOLE_WEB_DEPS=(lighttpd lighttpd-fastcgi php-common php-cli php-pdo)
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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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# If the host OS is Fedora,
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if grep -qi 'fedora' /etc/redhat-release; then
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# all required packages should be available by default with the latest fedora release
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# ensure 'php-json' is installed on Fedora (installed as dependency on CentOS7 + Remi repository)
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PIHOLE_WEB_DEPS+=('php-json')
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# or if host OS is CentOS,
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elif grep -qi 'centos' /etc/redhat-release; then
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# Pi-Hole currently supports CentOS 7+ with PHP7+
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SUPPORTED_CENTOS_VERSION=7
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SUPPORTED_CENTOS_PHP_VERSION=7
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# Check current CentOS major release version
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CURRENT_CENTOS_VERSION=$(rpm -q --queryformat '%{VERSION}' centos-release)
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# Check if CentOS version is supported
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if [[ $CURRENT_CENTOS_VERSION -lt $SUPPORTED_CENTOS_VERSION ]]; then
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echo -e " ${CROSS} CentOS $CURRENT_CENTOS_VERSION is not suported."
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echo -e " Please update to CentOS release $SUPPORTED_CENTOS_VERSION or later"
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# exit the installer
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exit
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fi
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# on CentOS we need to add the EPEL repository to gain access to Fedora packages
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EPEL_PKG="epel-release"
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rpm -q ${EPEL_PKG} &> /dev/null || rc=$?
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if [[ $rc -ne 0 ]]; then
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echo -e " ${INFO} Enabling EPEL package repository (https://fedoraproject.org/wiki/EPEL)"
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"${PKG_INSTALL[@]}" ${EPEL_PKG} &> /dev/null
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echo -e " ${TICK} Installed ${EPEL_PKG}"
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fi
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# The default php on CentOS 7.x is 5.4 which is EOL
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# Check if the version of PHP available via installed repositories is >= to PHP 7
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AVAILABLE_PHP_VERSION=$(${PKG_MANAGER} info php | grep -i version | grep -o '[0-9]\+' | head -1)
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if [[ $AVAILABLE_PHP_VERSION -ge $SUPPORTED_CENTOS_PHP_VERSION ]]; then
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# Since PHP 7 is available by default, install via default PHP package names
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: # do nothing as PHP is current
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else
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REMI_PKG="remi-release"
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REMI_REPO="remi-php72"
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rpm -q ${REMI_PKG} &> /dev/null || rc=$?
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if [[ $rc -ne 0 ]]; then
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# The PHP version available via default repositories is older than version 7
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if ! whiptail --defaultno --title "PHP 7 Update (recommended)" --yesno "PHP 7.x is recommended for both security and language features.\\nWould you like to install PHP7 via Remi's RPM repository?\\n\\nSee: https://rpms.remirepo.net for more information" ${r} ${c}; then
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# User decided to NOT update PHP from REMI, attempt to install the default available PHP version
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echo -e " ${INFO} User opt-out of PHP 7 upgrade on CentOS. Deprecated PHP may be in use."
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: # continue with unsupported php version
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else
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echo -e " ${INFO} Enabling Remi's RPM repository (https://rpms.remirepo.net)"
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"${PKG_INSTALL[@]}" "https://rpms.remirepo.net/enterprise/${REMI_PKG}-$(rpm -E '%{rhel}').rpm" &> /dev/null
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# enable the PHP 7 repository via yum-config-manager (provided by yum-utils)
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"${PKG_INSTALL[@]}" "yum-utils" &> /dev/null
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yum-config-manager --enable ${REMI_REPO} &> /dev/null
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echo -e " ${TICK} Remi's RPM repository has been enabled for PHP7"
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# trigger an install/update of PHP to ensure previous version of PHP is updated from REMI
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if "${PKG_INSTALL[@]}" "php-cli" &> /dev/null; then
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echo -e " ${TICK} PHP7 installed/updated via Remi's RPM repository"
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else
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echo -e " ${CROSS} There was a problem updating to PHP7 via Remi's RPM repository"
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exit 1
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fi
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fi
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fi
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fi
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else
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# If not a supported version of Fedora or CentOS,
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echo -e " ${CROSS} Unsupported RPM based distribution"
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# exit the installer
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exit
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fi
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# If neither apt-get or rmp/dnf are found
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else
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# it's not an OS we can support,
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echo -e " ${CROSS} OS distribution not supported"
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# so exit the installer
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exit
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fi
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}
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# A function for checking if a folder is a git repository
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is_repo() {
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# Use a named, local variable instead of the vague $1, which is the first argument passed to this function
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# These local variables should always be lowercase
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local directory="${1}"
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# A local variable for the current directory
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local curdir
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# A variable to store the return code
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local rc
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# Assign the current directory variable by using pwd
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curdir="${PWD}"
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# If the first argument passed to this function is a directory,
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if [[ -d "${directory}" ]]; then
|
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# move into the directory
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cd "${directory}"
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# Use git to check if the folder is a repo
|
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# git -C is not used here to support git versions older than 1.8.4
|
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git status --short &> /dev/null || rc=$?
|
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# If the command was not successful,
|
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else
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# Set a non-zero return code if directory does not exist
|
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rc=1
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fi
|
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# Move back into the directory the user started in
|
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cd "${curdir}"
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# Return the code; if one is not set, return 0
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return "${rc:-0}"
|
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}
|
||
|
||
# A function to clone a repo
|
||
make_repo() {
|
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# Set named variables for better readability
|
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local directory="${1}"
|
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local remoteRepo="${2}"
|
||
# The message to display when this function is running
|
||
str="Clone ${remoteRepo} into ${directory}"
|
||
# Display the message and use the color table to preface the message with an "info" indicator
|
||
echo -ne " ${INFO} ${str}..."
|
||
# If the directory exists,
|
||
if [[ -d "${directory}" ]]; then
|
||
# delete everything in it so git can clone into it
|
||
rm -rf "${directory}"
|
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fi
|
||
# Clone the repo and return the return code from this command
|
||
git clone -q --depth 1 "${remoteRepo}" "${directory}" &> /dev/null || return $?
|
||
# Show a colored message showing it's status
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
# Always return 0? Not sure this is correct
|
||
return 0
|
||
}
|
||
|
||
# We need to make sure the repos are up-to-date so we can effectively install Clean out the directory if it exists for git to clone into
|
||
update_repo() {
|
||
# Use named, local variables
|
||
# As you can see, these are the same variable names used in the last function,
|
||
# but since they are local, their scope does not go beyond this function
|
||
# This helps prevent the wrong value from being assigned if you were to set the variable as a GLOBAL one
|
||
local directory="${1}"
|
||
local curdir
|
||
|
||
# A variable to store the message we want to display;
|
||
# Again, it's useful to store these in variables in case we need to reuse or change the message;
|
||
# we only need to make one change here
|
||
local str="Update repo in ${1}"
|
||
|
||
# Make sure we know what directory we are in so we can move back into it
|
||
curdir="${PWD}"
|
||
# Move into the directory that was passed as an argument
|
||
cd "${directory}" &> /dev/null || return 1
|
||
# Let the user know what's happening
|
||
echo -ne " ${INFO} ${str}..."
|
||
# Stash any local commits as they conflict with our working code
|
||
git stash --all --quiet &> /dev/null || true # Okay for stash failure
|
||
git clean --quiet --force -d || true # Okay for already clean directory
|
||
# Pull the latest commits
|
||
git pull --quiet &> /dev/null || return $?
|
||
# Show a completion message
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
# Move back into the original directory
|
||
cd "${curdir}" &> /dev/null || return 1
|
||
return 0
|
||
}
|
||
|
||
# A function that combines the functions previously made
|
||
getGitFiles() {
|
||
# Setup named variables for the git repos
|
||
# We need the directory
|
||
local directory="${1}"
|
||
# as well as the repo URL
|
||
local remoteRepo="${2}"
|
||
# A local variable containing the message to be displayed
|
||
local str="Check for existing repository in ${1}"
|
||
# Show the message
|
||
echo -ne " ${INFO} ${str}..."
|
||
# Check if the directory is a repository
|
||
if is_repo "${directory}"; then
|
||
# Show that we're checking it
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
# Update the repo, returning an error message on failure
|
||
update_repo "${directory}" || { echo -e "\\n ${COL_LIGHT_RED}Error: Could not update local repository. Contact support.${COL_NC}"; exit 1; }
|
||
# If it's not a .git repo,
|
||
else
|
||
# Show an error
|
||
echo -e "${OVER} ${CROSS} ${str}"
|
||
# Attempt to make the repository, showing an error on failure
|
||
make_repo "${directory}" "${remoteRepo}" || { echo -e "\\n ${COL_LIGHT_RED}Error: Could not update local repository. Contact support.${COL_NC}"; exit 1; }
|
||
fi
|
||
# echo a blank line
|
||
echo ""
|
||
# and return success?
|
||
return 0
|
||
}
|
||
|
||
# Reset a repo to get rid of any local changed
|
||
resetRepo() {
|
||
# Use named variables for arguments
|
||
local directory="${1}"
|
||
# Move into the directory
|
||
cd "${directory}" &> /dev/null || return 1
|
||
# Store the message in a variable
|
||
str="Resetting repository within ${1}..."
|
||
# Show the message
|
||
echo -ne " ${INFO} ${str}"
|
||
# Use git to remove the local changes
|
||
git reset --hard &> /dev/null || return $?
|
||
# And show the status
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
# Returning success anyway?
|
||
return 0
|
||
}
|
||
|
||
# We need to know the IPv4 information so we can effectively setup the DNS server
|
||
# Without this information, we won't know where to Pi-hole will be found
|
||
find_IPv4_information() {
|
||
# Named, local variables
|
||
local route
|
||
# Find IP used to route to outside world by checking the the route to Google's public DNS server
|
||
route=$(ip route get 8.8.8.8)
|
||
# Use awk to strip out just the interface device as it is used in future commands
|
||
IPv4dev=$(awk '{for (i=1; i<=NF; i++) if ($i~/dev/) print $(i+1)}' <<< "${route}")
|
||
# Get just the IP address
|
||
IPv4bare=$(awk '{print $7}' <<< "${route}")
|
||
# Append the CIDR notation to the IP address
|
||
IPV4_ADDRESS=$(ip -o -f inet addr show | grep "${IPv4bare}" | awk '{print $4}' | awk 'END {print}')
|
||
# Get the default gateway (the way to reach the Internet)
|
||
IPv4gw=$(awk '{print $3}' <<< "${route}")
|
||
}
|
||
|
||
# Get available interfaces that are UP
|
||
get_available_interfaces() {
|
||
# There may be more than one so it's all stored in a variable
|
||
availableInterfaces=$(ip --oneline link show up | grep -v "lo" | awk '{print $2}' | cut -d':' -f1 | cut -d'@' -f1)
|
||
}
|
||
|
||
# A function for displaying the dialogs the user sees when first running the installer
|
||
welcomeDialogs() {
|
||
# Display the welcome dialog using an appropriately sized window via the calculation conducted earlier in the script
|
||
whiptail --msgbox --backtitle "Welcome" --title "Pi-hole automated installer" "\\n\\nThis installer will transform your device into a network-wide ad blocker!" ${r} ${c}
|
||
|
||
# Request that users donate if they enjoy the software since we all work on it in our free time
|
||
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}
|
||
|
||
# Explain the need for a static address
|
||
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.
|
||
|
||
In the next section, you can choose to use your current network settings (DHCP) or to manually edit them." ${r} ${c}
|
||
}
|
||
|
||
# We need to make sure there is enough space before installing, so there is a function to check this
|
||
verifyFreeDiskSpace() {
|
||
# 50MB is the minimum space needed (45MB install (includes web admin bootstrap/jquery libraries etc) + 5MB one day of logs.)
|
||
# - Fourdee: Local ensures the variable is only created, and accessible within this function/void. Generally considered a "good" coding practice for non-global variables.
|
||
local str="Disk space check"
|
||
# Required space in KB
|
||
local required_free_kilobytes=51200
|
||
# Calculate existing free space on this machine
|
||
local existing_free_kilobytes
|
||
existing_free_kilobytes=$(df -Pk | grep -m1 '\/$' | awk '{print $4}')
|
||
|
||
# If the existing space is not an integer,
|
||
if ! [[ "${existing_free_kilobytes}" =~ ^([0-9])+$ ]]; then
|
||
# show an error that we can't determine the free space
|
||
echo -e " ${CROSS} ${str}"
|
||
echo -e " ${INFO} Unknown free disk space!"
|
||
echo -e " ${INFO} We were unable to determine available free disk space on this system."
|
||
echo -e " ${INFO} You may override this check, however, it is not recommended"
|
||
echo -e " ${INFO} The option '${COL_LIGHT_RED}--i_do_not_follow_recommendations${COL_NC}' can override this"
|
||
echo -e " ${INFO} e.g: curl -L https://install.pi-hole.net | bash /dev/stdin ${COL_LIGHT_RED}<option>${COL_NC}"
|
||
# exit with an error code
|
||
exit 1
|
||
# If there is insufficient free disk space,
|
||
elif [[ "${existing_free_kilobytes}" -lt "${required_free_kilobytes}" ]]; then
|
||
# show an error message
|
||
echo -e " ${CROSS} ${str}"
|
||
echo -e " ${INFO} Your system disk appears to only have ${existing_free_kilobytes} KB free"
|
||
echo -e " ${INFO} It is recommended to have a minimum of ${required_free_kilobytes} KB to run the Pi-hole"
|
||
# if the vcgencmd command exists,
|
||
if command -v vcgencmd &> /dev/null; then
|
||
# it's probably a Raspbian install, so show a message about expanding the filesystem
|
||
echo -e " ${INFO} If this is a new install you may need to expand your disk"
|
||
echo -e " ${INFO} Run 'sudo raspi-config', and choose the 'expand file system' option"
|
||
echo -e " ${INFO} After rebooting, run this installation again"
|
||
echo -e " ${INFO} e.g: curl -L https://install.pi-hole.net | bash"
|
||
fi
|
||
# Show there is not enough free space
|
||
echo -e "\\n ${COL_LIGHT_RED}Insufficient free space, exiting...${COL_NC}"
|
||
# and exit with an error
|
||
exit 1
|
||
# Otherwise,
|
||
else
|
||
# Show that we're running a disk space check
|
||
echo -e " ${TICK} ${str}"
|
||
fi
|
||
}
|
||
|
||
# A function that let's the user pick an interface to use with Pi-hole
|
||
chooseInterface() {
|
||
# Turn the available interfaces into an array so it can be used with a whiptail dialog
|
||
local interfacesArray=()
|
||
# Number of available interfaces
|
||
local interfaceCount
|
||
# Whiptail variable storage
|
||
local chooseInterfaceCmd
|
||
# Temporary Whiptail options storage
|
||
local chooseInterfaceOptions
|
||
# Loop sentinel variable
|
||
local firstLoop=1
|
||
|
||
# Find out how many interfaces are available to choose from
|
||
interfaceCount=$(echo "${availableInterfaces}" | wc -l)
|
||
|
||
# If there is one interface,
|
||
if [[ "${interfaceCount}" -eq 1 ]]; then
|
||
# Set it as the interface to use since there is no other option
|
||
PIHOLE_INTERFACE="${availableInterfaces}"
|
||
# Otherwise,
|
||
else
|
||
# While reading through the available interfaces
|
||
while read -r line; do
|
||
# use a variable to set the option as OFF to begin with
|
||
mode="OFF"
|
||
# If it's the first loop,
|
||
if [[ "${firstLoop}" -eq 1 ]]; then
|
||
# set this as the interface to use (ON)
|
||
firstLoop=0
|
||
mode="ON"
|
||
fi
|
||
# Put all these interfaces into an array
|
||
interfacesArray+=("${line}" "available" "${mode}")
|
||
# Feed the available interfaces into this while loop
|
||
done <<< "${availableInterfaces}"
|
||
# The whiptail command that will be run, stored in a variable
|
||
chooseInterfaceCmd=(whiptail --separate-output --radiolist "Choose An Interface (press space to select)" ${r} ${c} ${interfaceCount})
|
||
# Now run the command using the interfaces saved into the array
|
||
chooseInterfaceOptions=$("${chooseInterfaceCmd[@]}" "${interfacesArray[@]}" 2>&1 >/dev/tty) || \
|
||
# If the user chooses Cancel, exit
|
||
{ echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
|
||
# For each interface
|
||
for desiredInterface in ${chooseInterfaceOptions}; do
|
||
# Set the one the user selected as the interface to use
|
||
PIHOLE_INTERFACE=${desiredInterface}
|
||
# and show this information to the user
|
||
echo -e " ${INFO} Using interface: $PIHOLE_INTERFACE"
|
||
done
|
||
fi
|
||
}
|
||
|
||
# This lets us prefer ULA addresses over GUA
|
||
# This caused problems for some users when their ISP changed their IPv6 addresses
|
||
# See https://github.com/pi-hole/pi-hole/issues/1473#issuecomment-301745953
|
||
testIPv6() {
|
||
# first will contain fda2 (ULA)
|
||
first="$(cut -f1 -d":" <<< "$1")"
|
||
# value1 will contain 253 which is the decimal value corresponding to 0xfd
|
||
value1=$(( (0x$first)/256 ))
|
||
# will contain 162 which is the decimal value corresponding to 0xa2
|
||
value2=$(( (0x$first)%256 ))
|
||
# the ULA test is testing for fc00::/7 according to RFC 4193
|
||
if (( (value1&254)==252 )); then
|
||
echo "ULA"
|
||
fi
|
||
# the GUA test is testing for 2000::/3 according to RFC 4291
|
||
if (( (value1&112)==32 )); then
|
||
echo "GUA"
|
||
fi
|
||
# the LL test is testing for fe80::/10 according to RFC 4193
|
||
if (( (value1)==254 )) && (( (value2&192)==128 )); then
|
||
echo "Link-local"
|
||
fi
|
||
}
|
||
|
||
# A dialog for showing the user about IPv6 blocking
|
||
useIPv6dialog() {
|
||
# Determine the IPv6 address used for blocking
|
||
IPV6_ADDRESSES=($(ip -6 address | grep 'scope global' | awk '{print $2}'))
|
||
|
||
# For each address in the array above, determine the type of IPv6 address it is
|
||
for i in "${IPV6_ADDRESSES[@]}"; do
|
||
# Check if it's ULA, GUA, or LL by using the function created earlier
|
||
result=$(testIPv6 "$i")
|
||
# If it's a ULA address, use it and store it as a global variable
|
||
[[ "${result}" == "ULA" ]] && ULA_ADDRESS="${i%/*}"
|
||
# If it's a GUA address, we can still use it si store it as a global variable
|
||
[[ "${result}" == "GUA" ]] && GUA_ADDRESS="${i%/*}"
|
||
done
|
||
|
||
# Determine which address to be used: Prefer ULA over GUA or don't use any if none found
|
||
# If the ULA_ADDRESS contains a value,
|
||
if [[ ! -z "${ULA_ADDRESS}" ]]; then
|
||
# set the IPv6 address to the ULA address
|
||
IPV6_ADDRESS="${ULA_ADDRESS}"
|
||
# Show this info to the user
|
||
echo -e " ${INFO} Found IPv6 ULA address, using it for blocking IPv6 ads"
|
||
# Otherwise, if the GUA_ADDRESS has a value,
|
||
elif [[ ! -z "${GUA_ADDRESS}" ]]; then
|
||
# Let the user know
|
||
echo -e " ${INFO} Found IPv6 GUA address, using it for blocking IPv6 ads"
|
||
# And assign it to the global variable
|
||
IPV6_ADDRESS="${GUA_ADDRESS}"
|
||
# If none of those work,
|
||
else
|
||
# explain that IPv6 blocking will not be used
|
||
echo -e " ${INFO} Unable to find IPv6 ULA/GUA address, IPv6 adblocking will not be enabled"
|
||
# So set the variable to be empty
|
||
IPV6_ADDRESS=""
|
||
fi
|
||
|
||
# If the IPV6_ADDRESS contains a value
|
||
if [[ ! -z "${IPV6_ADDRESS}" ]]; then
|
||
# Display that IPv6 is supported and will be used
|
||
whiptail --msgbox --backtitle "IPv6..." --title "IPv6 Supported" "$IPV6_ADDRESS will be used to block ads." ${r} ${c}
|
||
fi
|
||
}
|
||
|
||
# A function to check if we should use IPv4 and/or IPv6 for blocking ads
|
||
use4andor6() {
|
||
# Named local variables
|
||
local useIPv4
|
||
local useIPv6
|
||
# Let use select IPv4 and/or IPv6 via a checklist
|
||
cmd=(whiptail --separate-output --checklist "Select Protocols (press space to select)" ${r} ${c} 2)
|
||
# In an array, show the options available:
|
||
# IPv4 (on by default)
|
||
options=(IPv4 "Block ads over IPv4" on
|
||
# or IPv6 (on by default if available)
|
||
IPv6 "Block ads over IPv6" on)
|
||
# In a variable, show the choices available; exit if Cancel is selected
|
||
choices=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty) || { echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
|
||
# For each choice available,
|
||
for choice in ${choices}
|
||
do
|
||
# Set the values to true
|
||
case ${choice} in
|
||
IPv4 ) useIPv4=true;;
|
||
IPv6 ) useIPv6=true;;
|
||
esac
|
||
done
|
||
# If IPv4 is to be used,
|
||
if [[ "${useIPv4}" ]]; then
|
||
# Run our function to get the information we need
|
||
find_IPv4_information
|
||
getStaticIPv4Settings
|
||
setStaticIPv4
|
||
fi
|
||
# If IPv6 is to be used,
|
||
if [[ "${useIPv6}" ]]; then
|
||
# Run our function to get this information
|
||
useIPv6dialog
|
||
fi
|
||
# Echo the information to the user
|
||
echo -e " ${INFO} IPv4 address: ${IPV4_ADDRESS}"
|
||
echo -e " ${INFO} IPv6 address: ${IPV6_ADDRESS}"
|
||
# If neither protocol is selected,
|
||
if [[ ! "${useIPv4}" ]] && [[ ! "${useIPv6}" ]]; then
|
||
# Show an error in red
|
||
echo -e " ${COL_LIGHT_RED}Error: Neither IPv4 or IPv6 selected${COL_NC}"
|
||
# and exit with an error
|
||
exit 1
|
||
fi
|
||
}
|
||
|
||
#
|
||
getStaticIPv4Settings() {
|
||
# Local, named variables
|
||
local ipSettingsCorrect
|
||
# Ask if the user wants to use DHCP settings as their static IP
|
||
# This is useful for users that are using DHCP reservations; then we can just use the information gathered via our functions
|
||
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: ${IPV4_ADDRESS}
|
||
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
|
||
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) || \
|
||
# Cancelling IPv4 settings window
|
||
{ ipSettingsCorrect=False; echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
|
||
echo -e " ${INFO} Your static IPv4 address: ${IPV4_ADDRESS}"
|
||
|
||
# Ask for the gateway
|
||
IPv4gw=$(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) || \
|
||
# Cancelling gateway settings window
|
||
{ ipSettingsCorrect=False; echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
|
||
echo -e " ${INFO} 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: ${IPV4_ADDRESS}
|
||
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
|
||
done
|
||
# End the if statement for DHCP vs. static
|
||
fi
|
||
}
|
||
|
||
# dhcpcd is very annoying,
|
||
setDHCPCD() {
|
||
# but we can append these lines to dhcpcd.conf to enable a static IP
|
||
echo "interface ${PIHOLE_INTERFACE}
|
||
static ip_address=${IPV4_ADDRESS}
|
||
static routers=${IPv4gw}
|
||
static domain_name_servers=127.0.0.1" | tee -a /etc/dhcpcd.conf >/dev/null
|
||
}
|
||
|
||
setStaticIPv4() {
|
||
# Local, named variables
|
||
local IFCFG_FILE
|
||
local IPADDR
|
||
local CIDR
|
||
# For the Debian family, if dhcpcd.conf exists,
|
||
if [[ -f "/etc/dhcpcd.conf" ]]; then
|
||
# check if the IP is already in the file
|
||
if grep -q "${IPV4_ADDRESS}" /etc/dhcpcd.conf; then
|
||
echo -e " ${INFO} Static IP already configured"
|
||
# If it's not,
|
||
else
|
||
# set it using our function
|
||
setDHCPCD
|
||
# Then use the ip command to immediately set the new address
|
||
ip addr replace dev "${PIHOLE_INTERFACE}" "${IPV4_ADDRESS}"
|
||
# Also give a warning that the user may need to reboot their system
|
||
echo -e " ${TICK} Set IP address to ${IPV4_ADDRESS%/*}
|
||
You may need to restart after the install is complete"
|
||
fi
|
||
# If it's not Debian, check if it's the Fedora family by checking for the file below
|
||
elif [[ -f "/etc/sysconfig/network-scripts/ifcfg-${PIHOLE_INTERFACE}" ]];then
|
||
# If it exists,
|
||
IFCFG_FILE=/etc/sysconfig/network-scripts/ifcfg-${PIHOLE_INTERFACE}
|
||
IPADDR=$(echo "${IPV4_ADDRESS}" | cut -f1 -d/)
|
||
# check if the desired IP is already set
|
||
if grep -Eq "${IPADDR}(\\b|\\/)" "${IFCFG_FILE}"; then
|
||
echo -e " ${INFO} Static IP already configured"
|
||
# Otherwise,
|
||
else
|
||
# Put the IP in variables without the CIDR notation
|
||
CIDR=$(echo "${IPV4_ADDRESS}" | cut -f2 -d/)
|
||
# Backup existing interface configuration:
|
||
cp "${IFCFG_FILE}" "${IFCFG_FILE}".pihole.orig
|
||
# Build Interface configuration file using the GLOBAL variables we have
|
||
{
|
||
echo "# Configured via Pi-hole installer"
|
||
echo "DEVICE=$PIHOLE_INTERFACE"
|
||
echo "BOOTPROTO=none"
|
||
echo "ONBOOT=yes"
|
||
echo "IPADDR=$IPADDR"
|
||
echo "PREFIX=$CIDR"
|
||
echo "GATEWAY=$IPv4gw"
|
||
echo "DNS1=$PIHOLE_DNS_1"
|
||
echo "DNS2=$PIHOLE_DNS_2"
|
||
echo "USERCTL=no"
|
||
}> "${IFCFG_FILE}"
|
||
# Use ip to immediately set the new address
|
||
ip addr replace dev "${PIHOLE_INTERFACE}" "${IPV4_ADDRESS}"
|
||
# If NetworkMangler command line interface exists and ready to mangle,
|
||
if command -v nmcli &> /dev/null && nmcli general status &> /dev/null; then
|
||
# Tell NetworkManagler to read our new sysconfig file
|
||
nmcli con load "${IFCFG_FILE}" > /dev/null
|
||
fi
|
||
# Show a warning that the user may need to restart
|
||
echo -e " ${TICK} Set IP address to ${IPV4_ADDRESS%/*}
|
||
You may need to restart after the install is complete"
|
||
fi
|
||
# If all that fails,
|
||
else
|
||
# show an error and exit
|
||
echo -e " ${INFO} Warning: Unable to locate configuration file to set static IPv4 address"
|
||
exit 1
|
||
fi
|
||
}
|
||
|
||
# Check an IP address to see if it is a valid one
|
||
valid_ip() {
|
||
# Local, named variables
|
||
local ip=${1}
|
||
local stat=1
|
||
|
||
# If the IP matches the format xxx.xxx.xxx.xxx,
|
||
if [[ "${ip}" =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
|
||
# Save the old Internal Field Separator in a variable
|
||
OIFS=$IFS
|
||
# and set the new one to a dot (period)
|
||
IFS='.'
|
||
# Put the IP into an array
|
||
ip=(${ip})
|
||
# Restore the IFS to what it was
|
||
IFS=${OIFS}
|
||
## Evaluate each octet by checking if it's less than or equal to 255 (the max for each octet)
|
||
[[ "${ip[0]}" -le 255 && "${ip[1]}" -le 255 \
|
||
&& "${ip[2]}" -le 255 && "${ip[3]}" -le 255 ]]
|
||
# Save the exit code
|
||
stat=$?
|
||
fi
|
||
# Return the exit code
|
||
return ${stat}
|
||
}
|
||
|
||
# A function to choose the upstream DNS provider(s)
|
||
setDNS() {
|
||
# Local, named variables
|
||
local DNSSettingsCorrect
|
||
|
||
# In an array, list the available upstream providers
|
||
DNSChooseOptions=(Google ""
|
||
OpenDNS ""
|
||
Level3 ""
|
||
Norton ""
|
||
Comodo ""
|
||
DNSWatch ""
|
||
Quad9 ""
|
||
FamilyShield ""
|
||
Cloudflare ""
|
||
Custom "")
|
||
# In a whiptail dialog, show the options
|
||
DNSchoices=$(whiptail --separate-output --menu "Select Upstream DNS Provider. To use your own, select Custom." ${r} ${c} 7 \
|
||
"${DNSChooseOptions[@]}" 2>&1 >/dev/tty) || \
|
||
# exit if Cancel is selected
|
||
{ echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
|
||
|
||
# Display the selection
|
||
echo -ne " ${INFO} Using "
|
||
# Depending on the user's choice, set the GLOBAl variables to the IP of the respective provider
|
||
case ${DNSchoices} in
|
||
Google)
|
||
echo "Google DNS servers"
|
||
PIHOLE_DNS_1="8.8.8.8"
|
||
PIHOLE_DNS_2="8.8.4.4"
|
||
;;
|
||
OpenDNS)
|
||
echo "OpenDNS servers"
|
||
PIHOLE_DNS_1="208.67.222.222"
|
||
PIHOLE_DNS_2="208.67.220.220"
|
||
;;
|
||
Level3)
|
||
echo "Level3 servers"
|
||
PIHOLE_DNS_1="4.2.2.1"
|
||
PIHOLE_DNS_2="4.2.2.2"
|
||
;;
|
||
Norton)
|
||
echo "Norton ConnectSafe servers"
|
||
PIHOLE_DNS_1="199.85.126.10"
|
||
PIHOLE_DNS_2="199.85.127.10"
|
||
;;
|
||
Comodo)
|
||
echo "Comodo Secure servers"
|
||
PIHOLE_DNS_1="8.26.56.26"
|
||
PIHOLE_DNS_2="8.20.247.20"
|
||
;;
|
||
DNSWatch)
|
||
echo "DNS.WATCH servers"
|
||
PIHOLE_DNS_1="84.200.69.80"
|
||
PIHOLE_DNS_2="84.200.70.40"
|
||
;;
|
||
Quad9)
|
||
echo "Quad9 servers"
|
||
PIHOLE_DNS_1="9.9.9.9"
|
||
PIHOLE_DNS_2="149.112.112.112"
|
||
;;
|
||
FamilyShield)
|
||
echo "FamilyShield servers"
|
||
PIHOLE_DNS_1="208.67.222.123"
|
||
PIHOLE_DNS_2="208.67.220.123"
|
||
;;
|
||
Cloudflare)
|
||
echo "Cloudflare servers"
|
||
PIHOLE_DNS_1="1.1.1.1"
|
||
PIHOLE_DNS_2="1.0.0.1"
|
||
;;
|
||
Custom)
|
||
# Until the DNS settings are selected,
|
||
until [[ "${DNSSettingsCorrect}" = True ]]; do
|
||
#
|
||
strInvalid="Invalid"
|
||
# If the first
|
||
if [[ ! "${PIHOLE_DNS_1}" ]]; then
|
||
# and second upstream servers do not exist
|
||
if [[ ! "${PIHOLE_DNS_2}" ]]; then
|
||
prePopulate=""
|
||
# Otherwise,
|
||
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}, ${PIHOLE_DNS_2}"
|
||
fi
|
||
|
||
# Dialog for the user to enter custom upstream servers
|
||
piholeDNS=$(whiptail --backtitle "Specify Upstream DNS Provider(s)" --inputbox "Enter your desired upstream DNS provider(s), separated by a comma.\\n\\nFor example '8.8.8.8, 8.8.4.4'" ${r} ${c} "${prePopulate}" 3>&1 1>&2 2>&3) || \
|
||
{ echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; 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$2}')
|
||
# If the IP is valid,
|
||
if ! valid_ip "${PIHOLE_DNS_1}" || [[ ! "${PIHOLE_DNS_1}" ]]; then
|
||
# store it in the variable so we can use it
|
||
PIHOLE_DNS_1=${strInvalid}
|
||
fi
|
||
# Do the same for the secondary server
|
||
if ! valid_ip "${PIHOLE_DNS_2}" && [[ "${PIHOLE_DNS_2}" ]]; then
|
||
PIHOLE_DNS_2=${strInvalid}
|
||
fi
|
||
# If either of the DNS servers are invalid,
|
||
if [[ "${PIHOLE_DNS_1}" == "${strInvalid}" ]] || [[ "${PIHOLE_DNS_2}" == "${strInvalid}" ]]; then
|
||
# explain this to the user
|
||
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} ${c}
|
||
# and set the variables back to nothing
|
||
if [[ "${PIHOLE_DNS_1}" == "${strInvalid}" ]]; then
|
||
PIHOLE_DNS_1=""
|
||
fi
|
||
if [[ "${PIHOLE_DNS_2}" == "${strInvalid}" ]]; then
|
||
PIHOLE_DNS_2=""
|
||
fi
|
||
# Since the settings will not work, stay in the loop
|
||
DNSSettingsCorrect=False
|
||
# Otherwise,
|
||
else
|
||
# Show the settings
|
||
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} ${c}); then
|
||
# and break from the loop since the servers are valid
|
||
DNSSettingsCorrect=True
|
||
# Otherwise,
|
||
else
|
||
# If the settings are wrong, the loop continues
|
||
DNSSettingsCorrect=False
|
||
fi
|
||
fi
|
||
done
|
||
;;
|
||
esac
|
||
}
|
||
|
||
# Allow the user to enable/disable logging
|
||
setLogging() {
|
||
# Local, named variables
|
||
local LogToggleCommand
|
||
local LogChooseOptions
|
||
local LogChoices
|
||
|
||
# Ask if the user wants to log queries
|
||
LogToggleCommand=(whiptail --separate-output --radiolist "Do you want to log queries?" "${r}" "${c}" 6)
|
||
# The default selection is on
|
||
LogChooseOptions=("On (Recommended)" "" on
|
||
Off "" off)
|
||
# Get the user's choice
|
||
LogChoices=$("${LogToggleCommand[@]}" "${LogChooseOptions[@]}" 2>&1 >/dev/tty) || (echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}" && exit 1)
|
||
case ${LogChoices} in
|
||
# If it's on
|
||
"On (Recommended)")
|
||
echo -e " ${INFO} Logging On."
|
||
# Set the GLOBAL variable to true so we know what they selected
|
||
QUERY_LOGGING=true
|
||
;;
|
||
# Otherwise, it's off,
|
||
Off)
|
||
echo -e " ${INFO} Logging Off."
|
||
# So set it to false
|
||
QUERY_LOGGING=false
|
||
;;
|
||
esac
|
||
}
|
||
|
||
# Function to ask the user if they want to install the dashboard
|
||
setAdminFlag() {
|
||
# Local, named variables
|
||
local WebToggleCommand
|
||
local WebChooseOptions
|
||
local WebChoices
|
||
|
||
# Similar to the logging function, ask what the user wants
|
||
WebToggleCommand=(whiptail --separate-output --radiolist "Do you wish to install the web admin interface?" ${r} ${c} 6)
|
||
# with the default being enabled
|
||
WebChooseOptions=("On (Recommended)" "" on
|
||
Off "" off)
|
||
WebChoices=$("${WebToggleCommand[@]}" "${WebChooseOptions[@]}" 2>&1 >/dev/tty) || (echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}" && exit 1)
|
||
# Depending on their choice
|
||
case ${WebChoices} in
|
||
"On (Recommended)")
|
||
echo -e " ${INFO} Web Interface On"
|
||
# Set it to true
|
||
INSTALL_WEB_INTERFACE=true
|
||
;;
|
||
Off)
|
||
echo -e " ${INFO} Web Interface Off"
|
||
# or false
|
||
INSTALL_WEB_INTERFACE=false
|
||
;;
|
||
esac
|
||
|
||
# Request user to install web server, if --disable-install-webserver has not been used (INSTALL_WEB_SERVER=true is default).
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
WebToggleCommand=(whiptail --separate-output --radiolist "Do you wish to install the web server (lighttpd)?\\n\\nNB: If you disable this, and, do not have an existing webserver installed, the web interface will not function." "${r}" "${c}" 6)
|
||
# with the default being enabled
|
||
WebChooseOptions=("On (Recommended)" "" on
|
||
Off "" off)
|
||
WebChoices=$("${WebToggleCommand[@]}" "${WebChooseOptions[@]}" 2>&1 >/dev/tty) || (echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}" && exit 1)
|
||
# Depending on their choice
|
||
case ${WebChoices} in
|
||
"On (Recommended)")
|
||
echo -e " ${INFO} Web Server On"
|
||
# set it to true, as clearly seen below.
|
||
INSTALL_WEB_SERVER=true
|
||
;;
|
||
Off)
|
||
echo -e " ${INFO} Web Server Off"
|
||
# or false
|
||
INSTALL_WEB_SERVER=false
|
||
;;
|
||
esac
|
||
fi
|
||
}
|
||
|
||
# A function to display a list of example blocklists for users to select
|
||
chooseBlocklists() {
|
||
# Back up any existing adlist file, on the off chance that it exists. Useful in case of a reconfigure.
|
||
if [[ -f "${adlistFile}" ]]; then
|
||
mv "${adlistFile}" "${adlistFile}.old"
|
||
fi
|
||
# Let user select (or not) blocklists via a checklist
|
||
cmd=(whiptail --separate-output --checklist "Pi-hole relies on third party lists in order to block ads.\\n\\nYou can use the suggestions below, and/or add your own after installation\\n\\nTo deselect any list, use the arrow keys and spacebar" "${r}" "${c}" 7)
|
||
# In an array, show the options available (all off by default):
|
||
options=(StevenBlack "StevenBlack's Unified Hosts List" on
|
||
MalwareDom "MalwareDomains" on
|
||
Cameleon "Cameleon" on
|
||
ZeusTracker "ZeusTracker" on
|
||
DisconTrack "Disconnect.me Tracking" on
|
||
DisconAd "Disconnect.me Ads" on
|
||
HostsFile "Hosts-file.net Ads" on)
|
||
|
||
# In a variable, show the choices available; exit if Cancel is selected
|
||
choices=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty) || { echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; rm "${adlistFile}" ;exit 1; }
|
||
# For each choice available,
|
||
for choice in ${choices}
|
||
do
|
||
# Set the values to true
|
||
case ${choice} in
|
||
StevenBlack ) echo "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts" >> "${adlistFile}";;
|
||
MalwareDom ) echo "https://mirror1.malwaredomains.com/files/justdomains" >> "${adlistFile}";;
|
||
Cameleon ) echo "http://sysctl.org/cameleon/hosts" >> "${adlistFile}";;
|
||
ZeusTracker ) echo "https://zeustracker.abuse.ch/blocklist.php?download=domainblocklist" >> "${adlistFile}";;
|
||
DisconTrack ) echo "https://s3.amazonaws.com/lists.disconnect.me/simple_tracking.txt" >> "${adlistFile}";;
|
||
DisconAd ) echo "https://s3.amazonaws.com/lists.disconnect.me/simple_ad.txt" >> "${adlistFile}";;
|
||
HostsFile ) echo "https://hosts-file.net/ad_servers.txt" >> "${adlistFile}";;
|
||
esac
|
||
done
|
||
}
|
||
|
||
# Check if /etc/dnsmasq.conf is from pi-hole. If so replace with an original and install new in .d directory
|
||
version_check_dnsmasq() {
|
||
# Local, named variables
|
||
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="${PI_HOLE_LOCAL_REPO}/advanced/dnsmasq.conf.original"
|
||
local dnsmasq_pihole_01_snippet="${PI_HOLE_LOCAL_REPO}/advanced/01-pihole.conf"
|
||
local dnsmasq_pihole_01_location="/etc/dnsmasq.d/01-pihole.conf"
|
||
|
||
# If the dnsmasq config file exists
|
||
if [[ -f "${dnsmasq_conf}" ]]; then
|
||
echo -ne " ${INFO} Existing dnsmasq.conf found..."
|
||
# If gravity.list is found within this file, we presume it's from older versions on Pi-hole,
|
||
if grep -q ${dnsmasq_pihole_id_string} ${dnsmasq_conf}; then
|
||
echo " it is from a previous Pi-hole install."
|
||
echo -ne " ${INFO} Backing up dnsmasq.conf to dnsmasq.conf.orig..."
|
||
# so backup the original file
|
||
mv -f ${dnsmasq_conf} ${dnsmasq_conf_orig}
|
||
echo -e "${OVER} ${TICK} Backing up dnsmasq.conf to dnsmasq.conf.orig..."
|
||
echo -ne " ${INFO} Restoring default dnsmasq.conf..."
|
||
# and replace it with the default
|
||
cp ${dnsmasq_original_config} ${dnsmasq_conf}
|
||
echo -e "${OVER} ${TICK} Restoring default dnsmasq.conf..."
|
||
# Otherwise,
|
||
else
|
||
# Don't to anything
|
||
echo " it is not a Pi-hole file, leaving alone!"
|
||
fi
|
||
else
|
||
# If a file cannot be found,
|
||
echo -ne " ${INFO} No dnsmasq.conf found... restoring default dnsmasq.conf..."
|
||
# restore the default one
|
||
cp ${dnsmasq_original_config} ${dnsmasq_conf}
|
||
echo -e "${OVER} ${TICK} No dnsmasq.conf found... restoring default dnsmasq.conf..."
|
||
fi
|
||
|
||
echo -en " ${INFO} Copying 01-pihole.conf to /etc/dnsmasq.d/01-pihole.conf..."
|
||
# Check to see if dnsmasq directory exists (it may not due to being a fresh install and dnsmasq no longer being a dependency)
|
||
if [[ ! -d "/etc/dnsmasq.d" ]];then
|
||
mkdir "/etc/dnsmasq.d"
|
||
fi
|
||
# Copy the new Pi-hole DNS config file into the dnsmasq.d directory
|
||
cp ${dnsmasq_pihole_01_snippet} ${dnsmasq_pihole_01_location}
|
||
echo -e "${OVER} ${TICK} Copying 01-pihole.conf to /etc/dnsmasq.d/01-pihole.conf"
|
||
# Replace our placeholder values with the GLOBAL DNS variables that we populated earlier
|
||
# First, swap in the interface to listen on
|
||
sed -i "s/@INT@/$PIHOLE_INTERFACE/" ${dnsmasq_pihole_01_location}
|
||
if [[ "${PIHOLE_DNS_1}" != "" ]]; then
|
||
# Then swap in the primary DNS server
|
||
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
|
||
# Then swap in the primary DNS server
|
||
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/' ${dnsmasq_conf}
|
||
|
||
# If the user does not want to enable logging,
|
||
if [[ "${QUERY_LOGGING}" == false ]] ; then
|
||
# Disable it by commenting out the directive in the DNS config file
|
||
sed -i 's/^log-queries/#log-queries/' ${dnsmasq_pihole_01_location}
|
||
# Otherwise,
|
||
else
|
||
# enable it by uncommenting the directive in the DNS config file
|
||
sed -i 's/^#log-queries/log-queries/' ${dnsmasq_pihole_01_location}
|
||
fi
|
||
}
|
||
|
||
# Clean an existing installation to prepare for upgrade/reinstall
|
||
clean_existing() {
|
||
# Local, named variables
|
||
# ${1} Directory to clean
|
||
local clean_directory="${1}"
|
||
# Make ${2} the new one?
|
||
shift
|
||
# ${2} Array of files to remove
|
||
local old_files=( "$@" )
|
||
|
||
# For each script found in the old files array
|
||
for script in "${old_files[@]}"; do
|
||
# Remove them
|
||
rm -f "${clean_directory}/${script}.sh"
|
||
done
|
||
}
|
||
|
||
# Install the scripts from repository to their various locations
|
||
installScripts() {
|
||
# Local, named variables
|
||
local str="Installing scripts from ${PI_HOLE_LOCAL_REPO}"
|
||
echo -ne " ${INFO} ${str}..."
|
||
|
||
# Clear out script files from Pi-hole scripts directory.
|
||
clean_existing "${PI_HOLE_INSTALL_DIR}" "${PI_HOLE_FILES[@]}"
|
||
|
||
# Install files from local core repository
|
||
if is_repo "${PI_HOLE_LOCAL_REPO}"; then
|
||
# move into the directory
|
||
cd "${PI_HOLE_LOCAL_REPO}"
|
||
# Install the scripts by:
|
||
# -o setting the owner to the user
|
||
# -Dm755 create all leading components of destination except the last, then copy the source to the destination and setting the permissions to 755
|
||
#
|
||
# This first one is the directory
|
||
install -o "${USER}" -Dm755 -d "${PI_HOLE_INSTALL_DIR}"
|
||
# The rest are the scripts Pi-hole needs
|
||
install -o "${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 "${PI_HOLE_INSTALL_DIR}" ./advanced/Scripts/COL_TABLE
|
||
install -o "${USER}" -Dm755 -t /usr/local/bin/ pihole
|
||
install -Dm644 ./advanced/bash-completion/pihole /etc/bash_completion.d/pihole
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
# Otherwise,
|
||
else
|
||
# Show an error and exit
|
||
echo -e "${OVER} ${CROSS} ${str}
|
||
${COL_LIGHT_RED}Error: Local repo ${PI_HOLE_LOCAL_REPO} not found, exiting installer${COL_NC}"
|
||
exit 1
|
||
fi
|
||
}
|
||
|
||
# Install the configs from PI_HOLE_LOCAL_REPO to their various locations
|
||
installConfigs() {
|
||
echo ""
|
||
echo -e " ${INFO} Installing configs from ${PI_HOLE_LOCAL_REPO}..."
|
||
# Make sure Pi-hole's config files are in place
|
||
version_check_dnsmasq
|
||
|
||
# If the user chose to install the dashboard,
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
# and if the Web server conf directory does not exist,
|
||
if [[ ! -d "/etc/lighttpd" ]]; then
|
||
# make it
|
||
mkdir /etc/lighttpd
|
||
# and set the owners
|
||
chown "${USER}":root /etc/lighttpd
|
||
# Otherwise, if the config file already exists
|
||
elif [[ -f "/etc/lighttpd/lighttpd.conf" ]]; then
|
||
# back up the original
|
||
mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.orig
|
||
fi
|
||
# and copy in the config file Pi-hole needs
|
||
cp ${PI_HOLE_LOCAL_REPO}/advanced/${LIGHTTPD_CFG} /etc/lighttpd/lighttpd.conf
|
||
# if there is a custom block page in the html/pihole directory, replace 404 handler in lighttpd config
|
||
if [[ -f "/var/www/html/pihole/custom.php" ]]; then
|
||
sed -i 's/^\(server\.error-handler-404\s*=\s*\).*$/\1"pihole\/custom\.php"/' /etc/lighttpd/lighttpd.conf
|
||
fi
|
||
# Make the directories if they do not exist and set the owners
|
||
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
|
||
}
|
||
|
||
install_manpage() {
|
||
# Copy Pi-hole man pages and call mandb to update man page database
|
||
# Default location for man files for /usr/local/bin is /usr/local/share/man
|
||
# on lightweight systems may not be present, so check before copying.
|
||
echo -en " ${INFO} Testing man page installation"
|
||
if ! command -v mandb &>/dev/null; then
|
||
# if mandb is not present, no manpage support
|
||
echo -e "${OVER} ${INFO} man not installed"
|
||
return
|
||
elif [[ ! -d "/usr/local/share/man" ]]; then
|
||
# appropriate directory for Pi-hole's man page is not present
|
||
echo -e "${OVER} ${INFO} man pages not installed"
|
||
return
|
||
fi
|
||
if [[ ! -d "/usr/local/share/man/man8" ]]; then
|
||
# if not present, create man8 directory
|
||
mkdir /usr/local/share/man/man8
|
||
fi
|
||
if [[ ! -d "/usr/local/share/man/man5" ]]; then
|
||
# if not present, create man8 directory
|
||
mkdir /usr/local/share/man/man5
|
||
fi
|
||
# Testing complete, copy the files & update the man db
|
||
cp ${PI_HOLE_LOCAL_REPO}/manpages/pihole.8 /usr/local/share/man/man8/pihole.8
|
||
cp ${PI_HOLE_LOCAL_REPO}/manpages/pihole-FTL.8 /usr/local/share/man/man8/pihole-FTL.8
|
||
cp ${PI_HOLE_LOCAL_REPO}/manpages/pihole-FTL.conf.5 /usr/local/share/man/man5/pihole-FTL.conf.5
|
||
if mandb -q &>/dev/null; then
|
||
# Updated successfully
|
||
echo -e "${OVER} ${TICK} man pages installed and database updated"
|
||
return
|
||
else
|
||
# Something is wrong with the system's man installation, clean up
|
||
# our files, (leave everything how we found it).
|
||
rm /usr/local/share/man/man8/pihole.8 /usr/local/share/man/man8/pihole-FTL.8 /usr/local/share/man/man5/pihole-FTL.conf.5
|
||
echo -e "${OVER} ${CROSS} man page db not updated, man pages not installed"
|
||
fi
|
||
}
|
||
|
||
stop_service() {
|
||
# Stop service passed in as argument.
|
||
# Can softfail, as process may not be installed when this is called
|
||
local str="Stopping ${1} service"
|
||
echo -ne " ${INFO} ${str}..."
|
||
if command -v systemctl &> /dev/null; then
|
||
systemctl stop "${1}" &> /dev/null || true
|
||
else
|
||
service "${1}" stop &> /dev/null || true
|
||
fi
|
||
echo -e "${OVER} ${TICK} ${str}..."
|
||
}
|
||
|
||
# Start/Restart service passed in as argument
|
||
start_service() {
|
||
# Local, named variables
|
||
local str="Starting ${1} service"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# If systemctl exists,
|
||
if command -v systemctl &> /dev/null; then
|
||
# use that to restart the service
|
||
systemctl restart "${1}" &> /dev/null
|
||
# Otherwise,
|
||
else
|
||
# fall back to the service command
|
||
service "${1}" restart &> /dev/null
|
||
fi
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
}
|
||
|
||
# Enable service so that it will start with next reboot
|
||
enable_service() {
|
||
# Local, named variables
|
||
local str="Enabling ${1} service to start on reboot"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# If systemctl exists,
|
||
if command -v systemctl &> /dev/null; then
|
||
# use that to enable the service
|
||
systemctl enable "${1}" &> /dev/null
|
||
# Otherwise,
|
||
else
|
||
# use update-rc.d to accomplish this
|
||
update-rc.d "${1}" defaults &> /dev/null
|
||
fi
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
}
|
||
|
||
# Disable service so that it will not with next reboot
|
||
disable_service() {
|
||
# Local, named variables
|
||
local str="Disabling ${1} service"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# If systemctl exists,
|
||
if command -v systemctl &> /dev/null; then
|
||
# use that to disable the service
|
||
systemctl disable "${1}" &> /dev/null
|
||
# Otherwise,
|
||
else
|
||
# use update-rc.d to accomplish this
|
||
update-rc.d "${1}" disable &> /dev/null
|
||
fi
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
}
|
||
|
||
check_service_active() {
|
||
# If systemctl exists,
|
||
if command -v systemctl &> /dev/null; then
|
||
# use that to check the status of the service
|
||
systemctl is-enabled "${1}" > /dev/null
|
||
# Otherwise,
|
||
else
|
||
# fall back to service command
|
||
service "${1}" status > /dev/null
|
||
fi
|
||
}
|
||
|
||
# Systemd-resolved's DNSStubListener and dnsmasq can't share port 53.
|
||
disable_resolved_stublistener() {
|
||
echo -en " ${INFO} Testing if systemd-resolved is enabled"
|
||
# Check if Systemd-resolved's DNSStubListener is enabled and active on port 53
|
||
if check_service_active "systemd-resolved"; then
|
||
# Check if DNSStubListener is enabled
|
||
echo -en " ${OVER} ${INFO} Testing if systemd-resolved DNSStub-Listener is active"
|
||
if ( grep -E '#?DNSStubListener=yes' /etc/systemd/resolved.conf &> /dev/null ); then
|
||
# Disable the DNSStubListener to unbind it from port 53
|
||
# Note that this breaks dns functionality on host until dnsmasq/ftl are up and running
|
||
echo -en "${OVER} ${TICK} Disabling systemd-resolved DNSStubListener"
|
||
# Make a backup of the original /etc/systemd/resolved.conf
|
||
# (This will need to be restored on uninstallation)
|
||
sed -r -i.orig 's/#?DNSStubListener=yes/DNSStubListener=no/g' /etc/systemd/resolved.conf
|
||
echo -e " and restarting systemd-resolved"
|
||
systemctl reload-or-restart systemd-resolved
|
||
else
|
||
echo -e "${OVER} ${INFO} Systemd-resolved does not need to be restarted"
|
||
fi
|
||
else
|
||
echo -e "${OVER} ${INFO} Systemd-resolved is not enabled"
|
||
fi
|
||
}
|
||
|
||
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.
|
||
|
||
# Local, named variables
|
||
local str="Update local cache of available packages"
|
||
echo ""
|
||
echo -ne " ${INFO} ${str}..."
|
||
# Create a command from the package cache variable
|
||
if eval "${UPDATE_PKG_CACHE}" &> /dev/null; then
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
# Otherwise,
|
||
else
|
||
# show an error and exit
|
||
echo -e "${OVER} ${CROSS} ${str}"
|
||
echo -ne " ${COL_LIGHT_RED}Error: Unable to update package cache. Please try \"${UPDATE_PKG_CACHE}\"${COL_NC}"
|
||
return 1
|
||
fi
|
||
}
|
||
|
||
# Let user know if they have outdated packages on their system and
|
||
# advise them to run a package update at soonest possible.
|
||
notify_package_updates_available() {
|
||
# Local, named variables
|
||
local str="Checking ${PKG_MANAGER} for upgraded packages"
|
||
echo -ne "\\n ${INFO} ${str}..."
|
||
# Store the list of packages in a variable
|
||
updatesToInstall=$(eval "${PKG_COUNT}")
|
||
|
||
if [[ -d "/lib/modules/$(uname -r)" ]]; then
|
||
if [[ "${updatesToInstall}" -eq 0 ]]; then
|
||
echo -e "${OVER} ${TICK} ${str}... up to date!"
|
||
echo ""
|
||
else
|
||
echo -e "${OVER} ${TICK} ${str}... ${updatesToInstall} updates available"
|
||
echo -e " ${INFO} ${COL_LIGHT_GREEN}It is recommended to update your OS after installing the Pi-hole! ${COL_NC}"
|
||
echo ""
|
||
fi
|
||
else
|
||
echo -e "${OVER} ${CROSS} ${str}
|
||
Kernel update detected. If the install fails, please reboot and try again\\n"
|
||
fi
|
||
}
|
||
|
||
# What's this doing outside of a function in the middle of nowhere?
|
||
counter=0
|
||
|
||
install_dependent_packages() {
|
||
# Local, named variables should be used here, especially for an iterator
|
||
# Add one to the counter
|
||
counter=$((counter+1))
|
||
# If it equals 1,
|
||
if [[ "${counter}" == 1 ]]; then
|
||
#
|
||
echo -e " ${INFO} Installer Dependency checks..."
|
||
else
|
||
#
|
||
echo -e " ${INFO} Main Dependency checks..."
|
||
fi
|
||
|
||
# Install packages passed in via argument array
|
||
# No spinner - conflicts with set -e
|
||
declare -a argArray1=("${!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 each package,
|
||
for i in "${argArray1[@]}"; do
|
||
echo -ne " ${INFO} Checking for $i..."
|
||
if dpkg-query -W -f='${Status}' "${i}" 2>/dev/null | grep "ok installed" &> /dev/null; then
|
||
echo -e "${OVER} ${TICK} Checking for $i"
|
||
else
|
||
echo -e "${OVER} ${INFO} Checking for $i (will be installed)"
|
||
installArray+=("${i}")
|
||
fi
|
||
done
|
||
if [[ "${#installArray[@]}" -gt 0 ]]; then
|
||
test_dpkg_lock
|
||
debconf-apt-progress -- "${PKG_INSTALL[@]}" "${installArray[@]}"
|
||
return
|
||
fi
|
||
echo ""
|
||
return 0
|
||
fi
|
||
|
||
# Install Fedora/CentOS packages
|
||
for i in "${argArray1[@]}"; do
|
||
echo -ne " ${INFO} Checking for $i..."
|
||
if ${PKG_MANAGER} -q list installed "${i}" &> /dev/null; then
|
||
echo -e "${OVER} ${TICK} Checking for $i"
|
||
else
|
||
echo -e "${OVER} ${INFO} Checking for $i (will be installed)"
|
||
installArray+=("${i}")
|
||
fi
|
||
done
|
||
if [[ "${#installArray[@]}" -gt 0 ]]; then
|
||
"${PKG_INSTALL[@]}" "${installArray[@]}" &> /dev/null
|
||
return
|
||
fi
|
||
echo ""
|
||
return 0
|
||
}
|
||
|
||
# Install the Web interface dashboard
|
||
installPiholeWeb() {
|
||
echo ""
|
||
echo " ${INFO} Installing blocking page..."
|
||
|
||
local str="Creating directory for blocking page, and copying files"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# Install the directory
|
||
install -d /var/www/html/pihole
|
||
# and the blockpage
|
||
install -D ${PI_HOLE_LOCAL_REPO}/advanced/{index,blockingpage}.* /var/www/html/pihole/
|
||
|
||
# Remove superseded file
|
||
if [[ -e "/var/www/html/pihole/index.js" ]]; then
|
||
rm "/var/www/html/pihole/index.js"
|
||
fi
|
||
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
|
||
local str="Backing up index.lighttpd.html"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# If the default index file exists,
|
||
if [[ -f "/var/www/html/index.lighttpd.html" ]]; then
|
||
# back it up
|
||
mv /var/www/html/index.lighttpd.html /var/www/html/index.lighttpd.orig
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
# Otherwise,
|
||
else
|
||
# don't do anything
|
||
echo -e "${OVER} ${CROSS} ${str}
|
||
No default index.lighttpd.html file found... not backing up"
|
||
fi
|
||
|
||
# Install Sudoers file
|
||
echo ""
|
||
local str="Installing sudoer file"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# Make the .d directory if it doesn't exist
|
||
mkdir -p /etc/sudoers.d/
|
||
# and copy in the pihole sudoers file
|
||
cp ${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole.sudo /etc/sudoers.d/pihole
|
||
# Add lighttpd user (OS dependent) to sudoers file
|
||
echo "${LIGHTTPD_USER} ALL=NOPASSWD: /usr/local/bin/pihole" >> /etc/sudoers.d/pihole
|
||
|
||
# If the Web server user is lighttpd,
|
||
if [[ "$LIGHTTPD_USER" == "lighttpd" ]]; then
|
||
# Allow executing pihole via sudo with Fedora
|
||
# Usually /usr/local/bin is not permitted as directory for sudoable programs
|
||
echo "Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin" >> /etc/sudoers.d/pihole
|
||
fi
|
||
# Set the strict permissions on the file
|
||
chmod 0440 /etc/sudoers.d/pihole
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
}
|
||
|
||
# Installs a cron file
|
||
installCron() {
|
||
# Install the cron job
|
||
local str="Installing latest Cron script"
|
||
echo ""
|
||
echo -ne " ${INFO} ${str}..."
|
||
# Copy the cron file over from the local repo
|
||
cp ${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole.cron /etc/cron.d/pihole
|
||
# Randomize gravity update time
|
||
sed -i "s/59 1 /$((1 + RANDOM % 58)) $((3 + RANDOM % 2))/" /etc/cron.d/pihole
|
||
# Randomize update checker time
|
||
sed -i "s/59 17/$((1 + RANDOM % 58)) $((12 + RANDOM % 8))/" /etc/cron.d/pihole
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
}
|
||
|
||
# Gravity is a very important script as it aggregates all of the domains into a single HOSTS formatted list,
|
||
# which is what Pi-hole needs to begin blocking ads
|
||
runGravity() {
|
||
# Run gravity in the current shell
|
||
{ /opt/pihole/gravity.sh --force; }
|
||
}
|
||
|
||
# Check if the pihole user exists and create if it does not
|
||
create_pihole_user() {
|
||
local str="Checking for user 'pihole'"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# If the user pihole exists,
|
||
if id -u pihole &> /dev/null; then
|
||
# just show a success
|
||
echo -ne "${OVER} ${TICK} ${str}"
|
||
# Otherwise,
|
||
else
|
||
echo -ne "${OVER} ${CROSS} ${str}"
|
||
local str="Creating user 'pihole'"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# create her with the useradd command
|
||
useradd -r -s /usr/sbin/nologin pihole
|
||
echo -ne "${OVER} ${TICK} ${str}"
|
||
fi
|
||
}
|
||
|
||
# Allow HTTP and DNS traffic
|
||
configureFirewall() {
|
||
echo ""
|
||
# If a firewall is running,
|
||
if firewall-cmd --state &> /dev/null; then
|
||
# ask if the user wants to install Pi-hole's default firewall rules
|
||
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 " ${INFO} Not installing firewall rulesets."; return 0; }
|
||
echo -e " ${TICK} Configuring FirewallD for httpd and pihole-FTL"
|
||
# Allow HTTP and DNS traffic
|
||
firewall-cmd --permanent --add-service=http --add-service=dns
|
||
# Reload the firewall to apply these changes
|
||
firewall-cmd --reload
|
||
return 0
|
||
# Check for proper kernel modules to prevent failure
|
||
elif modinfo ip_tables &> /dev/null && command -v iptables &> /dev/null; then
|
||
# If chain Policy is not ACCEPT or last Rule is not ACCEPT
|
||
# then check and insert our Rules above the DROP/REJECT Rule.
|
||
if iptables -S INPUT | head -n1 | grep -qv '^-P.*ACCEPT$' || 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 " ${INFO} Not installing firewall rulesets."; return 0; }
|
||
echo -e " ${TICK} 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
|
||
iptables -C INPUT -p tcp -m tcp --dport 4711:4720 -i lo -j ACCEPT &> /dev/null || iptables -I INPUT 1 -p tcp -m tcp --dport 4711:4720 -i lo -j ACCEPT
|
||
return 0
|
||
fi
|
||
# Otherwise,
|
||
else
|
||
# no firewall is running
|
||
echo -e " ${INFO} No active firewall detected.. skipping firewall configuration"
|
||
# so just exit
|
||
return 0
|
||
fi
|
||
echo -e " ${INFO} Skipping firewall configuration"
|
||
}
|
||
|
||
#
|
||
finalExports() {
|
||
# If the Web interface is not set to be installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == false ]]; then
|
||
# and if there is not an IPv4 address,
|
||
if [[ "${IPV4_ADDRESS}" ]]; then
|
||
# there is no block page, so set IPv4 to 0.0.0.0 (all IP addresses)
|
||
IPV4_ADDRESS="0.0.0.0"
|
||
fi
|
||
if [[ "${IPV6_ADDRESS}" ]]; then
|
||
# and IPv6 to ::/0
|
||
IPV6_ADDRESS="::/0"
|
||
fi
|
||
fi
|
||
|
||
# If the setup variable file exists,
|
||
if [[ -e "${setupVars}" ]]; then
|
||
# update the variables in the file
|
||
sed -i.update.bak '/PIHOLE_INTERFACE/d;/IPV4_ADDRESS/d;/IPV6_ADDRESS/d;/PIHOLE_DNS_1/d;/PIHOLE_DNS_2/d;/QUERY_LOGGING/d;/INSTALL_WEB_SERVER/d;/INSTALL_WEB_INTERFACE/d;/LIGHTTPD_ENABLED/d;' "${setupVars}"
|
||
fi
|
||
# echo the information to the user
|
||
{
|
||
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_SERVER=${INSTALL_WEB_SERVER}"
|
||
echo "INSTALL_WEB_INTERFACE=${INSTALL_WEB_INTERFACE}"
|
||
echo "LIGHTTPD_ENABLED=${LIGHTTPD_ENABLED}"
|
||
}>> "${setupVars}"
|
||
|
||
# Bring in the current settings and the functions to manipulate them
|
||
source "${setupVars}"
|
||
source "${PI_HOLE_LOCAL_REPO}/advanced/Scripts/webpage.sh"
|
||
|
||
# Look for DNS server settings which would have to be reapplied
|
||
ProcessDNSSettings
|
||
|
||
# Look for DHCP server settings which would have to be reapplied
|
||
ProcessDHCPSettings
|
||
}
|
||
|
||
# Install the logrotate script
|
||
installLogrotate() {
|
||
|
||
local str="Installing latest logrotate script"
|
||
echo ""
|
||
echo -ne " ${INFO} ${str}..."
|
||
# Copy the file over from the local repo
|
||
cp ${PI_HOLE_LOCAL_REPO}/advanced/Templates/logrotate /etc/pihole/logrotate
|
||
# Different operating systems have different user / group
|
||
# settings for logrotate that makes it impossible to create
|
||
# a static logrotate file that will work with e.g.
|
||
# Rasbian and Ubuntu at the same time. Hence, we have to
|
||
# customize the logrotate script here in order to reflect
|
||
# the local properties of the /var/log directory
|
||
logusergroup="$(stat -c '%U %G' /var/log)"
|
||
# If the variable has a value,
|
||
if [[ ! -z "${logusergroup}" ]]; then
|
||
#
|
||
sed -i "s/# su #/su ${logusergroup}/g;" /etc/pihole/logrotate
|
||
fi
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
}
|
||
|
||
# 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.
|
||
accountForRefactor() {
|
||
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}
|
||
sed -i 's/^INSTALL_WEB=/INSTALL_WEB_INTERFACE=/' ${setupVars}
|
||
# Add 'INSTALL_WEB_SERVER', if its not been applied already: https://github.com/pi-hole/pi-hole/pull/2115
|
||
if ! grep -q '^INSTALL_WEB_SERVER=' ${setupVars}; then
|
||
local webserver_installed=false
|
||
if grep -q '^INSTALL_WEB_INTERFACE=true' ${setupVars}; then
|
||
webserver_installed=true
|
||
fi
|
||
echo -e "INSTALL_WEB_SERVER=$webserver_installed" >> ${setupVars}
|
||
fi
|
||
}
|
||
|
||
# Install base files and web interface
|
||
installPihole() {
|
||
# Create the pihole user
|
||
create_pihole_user
|
||
|
||
# If the user wants to install the Web interface,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
if [[ ! -d "/var/www/html" ]]; then
|
||
# make the Web directory if necessary
|
||
mkdir -p /var/www/html
|
||
fi
|
||
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
# Set the owner and permissions
|
||
chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /var/www/html
|
||
chmod 775 /var/www/html
|
||
# Give pihole access to the Web server group
|
||
usermod -a -G ${LIGHTTPD_GROUP} pihole
|
||
# If the lighttpd command is executable,
|
||
if [[ -x "$(command -v lighty-enable-mod)" ]]; then
|
||
# enable fastcgi and fastcgi-php
|
||
lighty-enable-mod fastcgi fastcgi-php > /dev/null || true
|
||
else
|
||
# Otherwise, show info about installing them
|
||
echo -e " ${INFO} Warning: 'lighty-enable-mod' utility not found
|
||
Please ensure fastcgi is enabled if you experience issues\\n"
|
||
fi
|
||
fi
|
||
fi
|
||
# For updates and unattended install.
|
||
if [[ "${useUpdateVars}" == true ]]; then
|
||
accountForRefactor
|
||
fi
|
||
# Install base files and web interface
|
||
installScripts
|
||
# Install config files
|
||
installConfigs
|
||
# If the user wants to install the dashboard,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# do so
|
||
installPiholeWeb
|
||
fi
|
||
# Install the cron file
|
||
installCron
|
||
# Install the logrotate file
|
||
installLogrotate
|
||
# Check if FTL is installed
|
||
FTLdetect || echo -e " ${CROSS} FTL Engine not installed"
|
||
# Configure the firewall
|
||
if [[ "${useUpdateVars}" == false ]]; then
|
||
configureFirewall
|
||
fi
|
||
|
||
# install a man page entry for pihole
|
||
install_manpage
|
||
|
||
# Update setupvars.conf with any variables that may or may not have been changed during the install
|
||
finalExports
|
||
}
|
||
|
||
# SELinux
|
||
checkSelinux() {
|
||
# If the getenforce command exists,
|
||
if command -v getenforce &> /dev/null; then
|
||
# Store the current mode in a variable
|
||
enforceMode=$(getenforce)
|
||
echo -e "\\n ${INFO} SELinux mode detected: ${enforceMode}"
|
||
|
||
# If it's enforcing,
|
||
if [[ "${enforceMode}" == "Enforcing" ]]; then
|
||
# Explain Pi-hole does not support it yet
|
||
whiptail --defaultno --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: Web Admin will not be fully functional unless you set your policies correctly\\n\\nContinue installing Pi-hole?" ${r} ${c} || \
|
||
{ echo -e "\\n ${COL_LIGHT_RED}SELinux Enforcing detected, exiting installer${COL_NC}"; exit 1; }
|
||
echo -e " ${INFO} Continuing installation with SELinux Enforcing
|
||
${INFO} Please refer to official SELinux documentation to create a custom policy"
|
||
fi
|
||
fi
|
||
}
|
||
|
||
# Installation complete message with instructions for the user
|
||
displayFinalMessage() {
|
||
# If
|
||
if [[ "${#1}" -gt 0 ]] ; then
|
||
pwstring="$1"
|
||
# else, if the dashboard password in the setup variables exists,
|
||
elif [[ $(grep 'WEBPASSWORD' -c /etc/pihole/setupVars.conf) -gt 0 ]]; then
|
||
# set a variable for evaluation later
|
||
pwstring="unchanged"
|
||
else
|
||
# set a variable for evaluation later
|
||
pwstring="NOT SET"
|
||
fi
|
||
# If the user wants to install the dashboard,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# Store a message in a variable and display it
|
||
additional="View the web interface at http://pi.hole/admin or http://${IPV4_ADDRESS%/*}/admin
|
||
|
||
Your Admin Webpage login password is ${pwstring}"
|
||
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} ${c}
|
||
}
|
||
|
||
update_dialogs() {
|
||
# If pihole -r "reconfigure" option was selected,
|
||
if [[ "${reconfigure}" = true ]]; then
|
||
# set some variables that will be used
|
||
opt1a="Repair"
|
||
opt1b="This will retain existing settings"
|
||
strAdd="You will remain on the same version"
|
||
# Otherwise,
|
||
else
|
||
# set some variables with different values
|
||
opt1a="Update"
|
||
opt1b="This will retain existing settings."
|
||
strAdd="You will be updated to the latest version."
|
||
fi
|
||
opt2a="Reconfigure"
|
||
opt2b="This will reset your Pi-hole and allow you to enter new settings."
|
||
|
||
# Display the information to the user
|
||
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 -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
|
||
|
||
# Set the variable based on if the user chooses
|
||
case ${UpdateCmd} in
|
||
# repair, or
|
||
${opt1a})
|
||
echo -e " ${INFO} ${opt1a} option selected"
|
||
useUpdateVars=true
|
||
;;
|
||
# reconfigure,
|
||
${opt2a})
|
||
echo -e " ${INFO} ${opt2a} option selected"
|
||
useUpdateVars=false
|
||
;;
|
||
esac
|
||
}
|
||
|
||
check_download_exists() {
|
||
status=$(curl --head --silent "https://ftl.pi-hole.net/${1}" | head -n 1)
|
||
if grep -q "404" <<< "$status"; then
|
||
return 1
|
||
else
|
||
return 0
|
||
fi
|
||
}
|
||
|
||
fully_fetch_repo() {
|
||
# Add upstream branches to shallow clone
|
||
local directory="${1}"
|
||
|
||
cd "${directory}" || return 1
|
||
if is_repo "${directory}"; then
|
||
git remote set-branches origin '*' || return 1
|
||
git fetch --quiet || return 1
|
||
else
|
||
return 1
|
||
fi
|
||
return 0
|
||
}
|
||
|
||
get_available_branches() {
|
||
# Return available branches
|
||
local directory
|
||
directory="${1}"
|
||
local output
|
||
|
||
cd "${directory}" || return 1
|
||
# Get reachable remote branches, but store STDERR as STDOUT variable
|
||
output=$( { git ls-remote --head --quiet | cut -d'/' -f3- -; } 2>&1 )
|
||
echo "$output"
|
||
return
|
||
}
|
||
|
||
fetch_checkout_pull_branch() {
|
||
# Check out specified branch
|
||
local directory
|
||
directory="${1}"
|
||
local branch
|
||
branch="${2}"
|
||
|
||
# Set the reference for the requested branch, fetch, check it put and pull it
|
||
cd "${directory}" || return 1
|
||
git remote set-branches origin "${branch}" || return 1
|
||
git stash --all --quiet &> /dev/null || true
|
||
git clean --quiet --force -d || true
|
||
git fetch --quiet || return 1
|
||
checkout_pull_branch "${directory}" "${branch}" || return 1
|
||
}
|
||
|
||
checkout_pull_branch() {
|
||
# Check out specified branch
|
||
local directory
|
||
directory="${1}"
|
||
local branch
|
||
branch="${2}"
|
||
local oldbranch
|
||
|
||
cd "${directory}" || return 1
|
||
|
||
oldbranch="$(git symbolic-ref HEAD)"
|
||
|
||
str="Switching to branch: '${branch}' from '${oldbranch}'"
|
||
echo -ne " ${INFO} $str"
|
||
git checkout "${branch}" --quiet || return 1
|
||
echo -e "${OVER} ${TICK} $str"
|
||
|
||
git_pull=$(git pull || return 1)
|
||
|
||
if [[ "$git_pull" == *"up-to-date"* ]]; then
|
||
echo -e " ${INFO} ${git_pull}"
|
||
else
|
||
echo -e "$git_pull\\n"
|
||
fi
|
||
|
||
return 0
|
||
}
|
||
|
||
clone_or_update_repos() {
|
||
# If the user wants to reconfigure,
|
||
if [[ "${reconfigure}" == true ]]; then
|
||
echo " ${INFO} Performing reconfiguration, skipping download of local repos"
|
||
# Reset the Core repo
|
||
resetRepo ${PI_HOLE_LOCAL_REPO} || \
|
||
{ echo -e " ${COL_LIGHT_RED}Unable to reset ${PI_HOLE_LOCAL_REPO}, exiting installer${COL_NC}"; \
|
||
exit 1; \
|
||
}
|
||
# If the Web interface was installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# reset it's repo
|
||
resetRepo ${webInterfaceDir} || \
|
||
{ echo -e " ${COL_LIGHT_RED}Unable to reset ${webInterfaceDir}, exiting installer${COL_NC}"; \
|
||
exit 1; \
|
||
}
|
||
fi
|
||
# Otherwise, a repair is happening
|
||
else
|
||
# so get git files for Core
|
||
getGitFiles ${PI_HOLE_LOCAL_REPO} ${piholeGitUrl} || \
|
||
{ echo -e " ${COL_LIGHT_RED}Unable to clone ${piholeGitUrl} into ${PI_HOLE_LOCAL_REPO}, unable to continue${COL_NC}"; \
|
||
exit 1; \
|
||
}
|
||
# If the Web interface was installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# get the Web git files
|
||
getGitFiles ${webInterfaceDir} ${webInterfaceGitUrl} || \
|
||
{ echo -e " ${COL_LIGHT_RED}Unable to clone ${webInterfaceGitUrl} into ${webInterfaceDir}, exiting installer${COL_NC}"; \
|
||
exit 1; \
|
||
}
|
||
fi
|
||
fi
|
||
}
|
||
|
||
# Download FTL binary to random temp directory and install FTL binary
|
||
FTLinstall() {
|
||
# Local, named variables
|
||
local binary="${1}"
|
||
local latesttag
|
||
local str="Downloading and Installing FTL"
|
||
echo -ne " ${INFO} ${str}..."
|
||
|
||
# Find the latest version tag for FTL
|
||
latesttag=$(curl -sI https://github.com/pi-hole/FTL/releases/latest | grep "Location" | awk -F '/' '{print $NF}')
|
||
# Tags should always start with v, check for that.
|
||
if [[ ! "${latesttag}" == v* ]]; then
|
||
echo -e "${OVER} ${CROSS} ${str}"
|
||
echo -e " ${COL_LIGHT_RED}Error: Unable to get latest release location from GitHub${COL_NC}"
|
||
return 1
|
||
fi
|
||
|
||
# Move into the temp ftl directory
|
||
pushd "$(mktemp -d)" > /dev/null || { echo "Unable to make temporary directory for FTL binary download"; return 1; }
|
||
|
||
# Always replace pihole-FTL.service
|
||
install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL.service" "/etc/init.d/pihole-FTL"
|
||
|
||
# Install template if it does not exist
|
||
if [[ ! -f "/etc/pihole/pihole-FTL.conf" ]]; then
|
||
install -o "${USER}" -Dm644 "${PI_HOLE_INSTALL_DIR}/advanced/Templates/pihole-FTL.conf" "/etc/pihole/pihole-FTL.conf"
|
||
fi
|
||
|
||
local ftlBranch
|
||
local url
|
||
|
||
if [[ -f "/etc/pihole/ftlbranch" ]];then
|
||
ftlBranch=$(</etc/pihole/ftlbranch)
|
||
else
|
||
ftlBranch="master"
|
||
fi
|
||
|
||
# Determine which version of FTL to download
|
||
if [[ "${ftlBranch}" == "master" ]];then
|
||
url="https://github.com/pi-hole/FTL/releases/download/${latesttag%$'\r'}"
|
||
else
|
||
url="https://ftl.pi-hole.net/${ftlBranch}"
|
||
fi
|
||
|
||
# If the download worked,
|
||
if curl -sSL --fail "${url}/${binary}" -o "${binary}"; then
|
||
# get sha1 of the binary we just downloaded for verification.
|
||
curl -sSL --fail "${url}/${binary}.sha1" -o "${binary}.sha1"
|
||
|
||
# If we downloaded binary file (as opposed to text),
|
||
if sha1sum --status --quiet -c "${binary}".sha1; then
|
||
echo -n "transferred... "
|
||
# Stop FTL
|
||
stop_service pihole-FTL &> /dev/null
|
||
# Install the new version with the correct permissions
|
||
install -T -m 0755 "${binary}" /usr/bin/pihole-FTL
|
||
# Move back into the original directory the user was in
|
||
popd > /dev/null || { echo "Unable to return to original directory after FTL binary download."; return 1; }
|
||
# Install the FTL service
|
||
echo -e "${OVER} ${TICK} ${str}"
|
||
# dnsmasq can now be stopped and disabled if it exists
|
||
if which dnsmasq > /dev/null; then
|
||
if check_service_active "dnsmasq";then
|
||
echo " ${INFO} FTL can now resolve DNS Queries without dnsmasq running separately"
|
||
stop_service dnsmasq
|
||
disable_service dnsmasq
|
||
fi
|
||
fi
|
||
|
||
#ensure /etc/dnsmasq.conf contains `conf-dir=/etc/dnsmasq.d`
|
||
confdir="conf-dir=/etc/dnsmasq.d"
|
||
conffile="/etc/dnsmasq.conf"
|
||
if ! grep -q "$confdir" "$conffile"; then
|
||
echo "$confdir" >> "$conffile"
|
||
fi
|
||
|
||
return 0
|
||
# Otherwise,
|
||
else
|
||
# the download failed, so just go back to the original directory
|
||
popd > /dev/null || { echo "Unable to return to original directory after FTL binary download."; return 1; }
|
||
echo -e "${OVER} ${CROSS} ${str}"
|
||
echo -e " ${COL_LIGHT_RED}Error: Download of binary from Github failed${COL_NC}"
|
||
return 1
|
||
fi
|
||
# Otherwise,
|
||
else
|
||
popd > /dev/null || { echo "Unable to return to original directory after FTL binary download."; return 1; }
|
||
echo -e "${OVER} ${CROSS} ${str}"
|
||
# The URL could not be found
|
||
echo -e " ${COL_LIGHT_RED}Error: URL not found${COL_NC}"
|
||
return 1
|
||
fi
|
||
}
|
||
|
||
get_binary_name() {
|
||
# This gives the machine architecture which may be different from the OS architecture...
|
||
local machine
|
||
machine=$(uname -m)
|
||
|
||
local str="Detecting architecture"
|
||
echo -ne " ${INFO} ${str}..."
|
||
# If the machine is arm or aarch
|
||
if [[ "${machine}" == "arm"* || "${machine}" == *"aarch"* ]]; then
|
||
# ARM
|
||
#
|
||
local rev
|
||
rev=$(uname -m | sed "s/[^0-9]//g;")
|
||
#
|
||
local lib
|
||
lib=$(ldd /bin/ls | grep -E '^\s*/lib' | awk '{ print $1 }')
|
||
#
|
||
if [[ "${lib}" == "/lib/ld-linux-aarch64.so.1" ]]; then
|
||
echo -e "${OVER} ${TICK} Detected ARM-aarch64 architecture"
|
||
# set the binary to be used
|
||
binary="pihole-FTL-aarch64-linux-gnu"
|
||
#
|
||
elif [[ "${lib}" == "/lib/ld-linux-armhf.so.3" ]]; then
|
||
#
|
||
if [[ "${rev}" -gt 6 ]]; then
|
||
echo -e "${OVER} ${TICK} Detected ARM-hf architecture (armv7+)"
|
||
# set the binary to be used
|
||
binary="pihole-FTL-arm-linux-gnueabihf"
|
||
# Otherwise,
|
||
else
|
||
echo -e "${OVER} ${TICK} Detected ARM-hf architecture (armv6 or lower) Using ARM binary"
|
||
# set the binary to be used
|
||
binary="pihole-FTL-arm-linux-gnueabi"
|
||
fi
|
||
else
|
||
echo -e "${OVER} ${TICK} Detected ARM architecture"
|
||
# set the binary to be used
|
||
binary="pihole-FTL-arm-linux-gnueabi"
|
||
fi
|
||
elif [[ "${machine}" == "ppc" ]]; then
|
||
# PowerPC
|
||
echo -e "${OVER} ${TICK} Detected PowerPC architecture"
|
||
# set the binary to be used
|
||
binary="pihole-FTL-powerpc-linux-gnu"
|
||
elif [[ "${machine}" == "x86_64" ]]; then
|
||
# This gives the architecture of packages dpkg installs (for example, "i386")
|
||
local dpkgarch
|
||
dpkgarch=$(dpkg --print-architecture 2> /dev/null)
|
||
|
||
# Special case: This is a 32 bit OS, installed on a 64 bit machine
|
||
# -> change machine architecture to download the 32 bit executable
|
||
if [[ "${dpkgarch}" == "i386" ]]; then
|
||
echo -e "${OVER} ${TICK} Detected 32bit (i686) architecture"
|
||
binary="pihole-FTL-linux-x86_32"
|
||
else
|
||
# 64bit
|
||
echo -e "${OVER} ${TICK} Detected x86_64 architecture"
|
||
# set the binary to be used
|
||
binary="pihole-FTL-linux-x86_64"
|
||
fi
|
||
else
|
||
# Something else - we try to use 32bit executable and warn the user
|
||
if [[ ! "${machine}" == "i686" ]]; then
|
||
echo -e "${OVER} ${CROSS} ${str}..."
|
||
echo -e " ${INFO} ${COL_LIGHT_RED}Not able to detect architecture (unknown: ${machine}), trying 32bit executable${COL_NC}"
|
||
echo -e " ${INFO} Contact Pi-hole Support if you experience issues (e.g: FTL not running)"
|
||
else
|
||
echo -e "${OVER} ${TICK} Detected 32bit (i686) architecture"
|
||
fi
|
||
binary="pihole-FTL-linux-x86_32"
|
||
fi
|
||
}
|
||
|
||
FTLcheckUpdate() {
|
||
get_binary_name
|
||
|
||
#In the next section we check to see if FTL is already installed (in case of pihole -r).
|
||
#If the installed version matches the latest version, then check the installed sha1sum of the binary vs the remote sha1sum. If they do not match, then download
|
||
echo -e " ${INFO} Checking for existing FTL binary..."
|
||
|
||
local ftlLoc
|
||
ftlLoc=$(which pihole-FTL 2>/dev/null)
|
||
|
||
local ftlBranch
|
||
|
||
if [[ -f "/etc/pihole/ftlbranch" ]];then
|
||
ftlBranch=$(</etc/pihole/ftlbranch)
|
||
else
|
||
ftlBranch="master"
|
||
fi
|
||
|
||
local remoteSha1
|
||
local localSha1
|
||
|
||
# if dnsmasq exists and is running at this point, force reinstall of FTL Binary
|
||
if which dnsmasq > /dev/null; then
|
||
if check_service_active "dnsmasq";then
|
||
return 0
|
||
fi
|
||
fi
|
||
|
||
if [[ ! "${ftlBranch}" == "master" ]]; then
|
||
#Check whether or not the binary for this FTL branch actually exists. If not, then there is no update!
|
||
local path
|
||
path="${ftlBranch}/${binary}"
|
||
# shellcheck disable=SC1090
|
||
if ! check_download_exists "$path"; then
|
||
echo -e " ${INFO} Branch \"${ftlBranch}\" is not available.\\n ${INFO} Use ${COL_LIGHT_GREEN}pihole checkout ftl [branchname]${COL_NC} to switch to a valid branch."
|
||
return 2
|
||
fi
|
||
|
||
if [[ ${ftlLoc} ]]; then
|
||
# We already have a pihole-FTL binary downloaded.
|
||
# Alt branches don't have a tagged version against them, so just confirm the checksum of the local vs remote to decide whether we download or not
|
||
remoteSha1=$(curl -sSL --fail "https://ftl.pi-hole.net/${ftlBranch}/${binary}.sha1" | cut -d ' ' -f 1)
|
||
localSha1=$(sha1sum "$(which pihole-FTL)" | cut -d ' ' -f 1)
|
||
|
||
if [[ "${remoteSha1}" != "${localSha1}" ]]; then
|
||
echo -e " ${INFO} Checksums do not match, downloading from ftl.pi-hole.net."
|
||
return 0
|
||
else
|
||
echo -e " ${INFO} Checksum of installed binary matches remote. No need to download!"
|
||
return 1
|
||
fi
|
||
else
|
||
return 0
|
||
fi
|
||
else
|
||
if [[ ${ftlLoc} ]]; then
|
||
local FTLversion
|
||
FTLversion=$(/usr/bin/pihole-FTL tag)
|
||
local FTLlatesttag
|
||
FTLlatesttag=$(curl -sI https://github.com/pi-hole/FTL/releases/latest | grep 'Location' | awk -F '/' '{print $NF}' | tr -d '\r\n')
|
||
|
||
if [[ "${FTLversion}" != "${FTLlatesttag}" ]]; then
|
||
return 0
|
||
else
|
||
echo -e " ${INFO} Latest FTL Binary already installed (${FTLlatesttag}). Confirming Checksum..."
|
||
|
||
remoteSha1=$(curl -sSL --fail "https://github.com/pi-hole/FTL/releases/download/${FTLversion%$'\r'}/${binary}.sha1" | cut -d ' ' -f 1)
|
||
localSha1=$(sha1sum "$(which pihole-FTL)" | cut -d ' ' -f 1)
|
||
|
||
if [[ "${remoteSha1}" != "${localSha1}" ]]; then
|
||
echo -e " ${INFO} Corruption detected..."
|
||
return 0
|
||
else
|
||
echo -e " ${INFO} Checksum correct. No need to download!"
|
||
return 1
|
||
fi
|
||
fi
|
||
else
|
||
return 0
|
||
fi
|
||
fi
|
||
}
|
||
|
||
# Detect suitable FTL binary platform
|
||
FTLdetect() {
|
||
echo ""
|
||
echo -e " ${INFO} FTL Checks..."
|
||
|
||
if FTLcheckUpdate ; then
|
||
FTLinstall "${binary}" || return 1
|
||
fi
|
||
|
||
echo ""
|
||
}
|
||
|
||
make_temporary_log() {
|
||
# Create a random temporary file for the log
|
||
TEMPLOG=$(mktemp /tmp/pihole_temp.XXXXXX)
|
||
# Open handle 3 for templog
|
||
# https://stackoverflow.com/questions/18460186/writing-outputs-to-log-file-and-console
|
||
exec 3>"$TEMPLOG"
|
||
# Delete templog, but allow for addressing via file handle
|
||
# This lets us write to the log without having a temporary file on the drive, which
|
||
# is meant to be a security measure so there is not a lingering file on the drive during the install process
|
||
rm "$TEMPLOG"
|
||
}
|
||
|
||
copy_to_install_log() {
|
||
# Copy the contents of file descriptor 3 into the install log
|
||
# Since we use color codes such as '\e[1;33m', they should be removed
|
||
sed 's/\[[0-9;]\{1,5\}m//g' < /proc/$$/fd/3 > "${installLogLoc}"
|
||
}
|
||
|
||
main() {
|
||
######## FIRST CHECK ########
|
||
# Must be root to install
|
||
local str="Root user check"
|
||
echo ""
|
||
|
||
# If the user's id is zero,
|
||
if [[ "${EUID}" -eq 0 ]]; then
|
||
# they are root and all is good
|
||
echo -e " ${TICK} ${str}"
|
||
# Show the Pi-hole logo so people know it's genuine since the logo and name are trademarked
|
||
show_ascii_berry
|
||
make_temporary_log
|
||
# Otherwise,
|
||
else
|
||
# They do not have enough privileges, so let the user know
|
||
echo -e " ${CROSS} ${str}"
|
||
echo -e " ${INFO} ${COL_LIGHT_RED}Script called with non-root privileges${COL_NC}"
|
||
echo -e " ${INFO} The Pi-hole requires elevated privileges to install and run"
|
||
echo -e " ${INFO} Please check the installer for any concerns regarding this requirement"
|
||
echo -e " ${INFO} Make sure to download this script from a trusted source\\n"
|
||
echo -ne " ${INFO} Sudo utility check"
|
||
|
||
# If the sudo command exists,
|
||
if command -v sudo &> /dev/null; then
|
||
echo -e "${OVER} ${TICK} Sudo utility check"
|
||
# Download the install script and run it with admin rights
|
||
exec curl -sSL https://raw.githubusercontent.com/pi-hole/pi-hole/master/automated%20install/basic-install.sh | sudo bash "$@"
|
||
exit $?
|
||
# Otherwise,
|
||
else
|
||
# Let them know they need to run it as root
|
||
echo -e "${OVER} ${CROSS} Sudo utility check"
|
||
echo -e " ${INFO} Sudo is needed for the Web Interface to run pihole commands\\n"
|
||
echo -e " ${INFO} ${COL_LIGHT_RED}Please re-run this installer as root${COL_NC}"
|
||
exit 1
|
||
fi
|
||
fi
|
||
|
||
# Check for supported distribution
|
||
distro_check
|
||
|
||
# If the setup variable file exists,
|
||
if [[ -f "${setupVars}" ]]; then
|
||
# if it's running unattended,
|
||
if [[ "${runUnattended}" == true ]]; then
|
||
echo -e " ${INFO} Performing unattended setup, no whiptail dialogs will be displayed"
|
||
# Use the setup variables
|
||
useUpdateVars=true
|
||
# Otherwise,
|
||
else
|
||
# show the available options (repair/reconfigure)
|
||
update_dialogs
|
||
fi
|
||
fi
|
||
|
||
# Start the installer
|
||
# Verify there is enough disk space for the install
|
||
if [[ "${skipSpaceCheck}" == true ]]; then
|
||
echo -e " ${INFO} Skipping free disk space verification"
|
||
else
|
||
verifyFreeDiskSpace
|
||
fi
|
||
|
||
# Update package cache
|
||
update_package_cache || exit 1
|
||
|
||
# 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/
|
||
# Determine available interfaces
|
||
get_available_interfaces
|
||
# Find interfaces and let the user choose one
|
||
chooseInterface
|
||
# Decide what upstream DNS Servers to use
|
||
setDNS
|
||
# Give the user a choice of blocklists to include in their install. Or not.
|
||
chooseBlocklists
|
||
# 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
|
||
else
|
||
# Source ${setupVars} to use predefined user variables in the functions
|
||
source ${setupVars}
|
||
fi
|
||
# Clone/Update the repos
|
||
clone_or_update_repos
|
||
|
||
# Install the Core dependencies
|
||
local dep_install_list=("${PIHOLE_DEPS[@]}")
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
# Install the Web dependencies
|
||
dep_install_list+=("${PIHOLE_WEB_DEPS[@]}")
|
||
fi
|
||
|
||
install_dependent_packages dep_install_list[@]
|
||
unset dep_install_list
|
||
|
||
# On some systems, lighttpd is not enabled on first install. We need to enable it here if the user
|
||
# has chosen to install the web interface, else the `LIGHTTPD_ENABLED` check will fail
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
enable_service lighttpd
|
||
fi
|
||
# Determine if lighttpd is correctly enabled
|
||
if check_service_active "lighttpd"; then
|
||
LIGHTTPD_ENABLED=true
|
||
else
|
||
LIGHTTPD_ENABLED=false
|
||
fi
|
||
|
||
# Install and log everything to a file
|
||
installPihole | tee -a /proc/$$/fd/3
|
||
|
||
# Copy the temp log file into final log location for storage
|
||
copy_to_install_log
|
||
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# Add password to web UI if there is none
|
||
pw=""
|
||
# If no password is set,
|
||
if [[ $(grep 'WEBPASSWORD' -c /etc/pihole/setupVars.conf) == 0 ]] ; then
|
||
# generate a random password
|
||
pw=$(tr -dc _A-Z-a-z-0-9 < /dev/urandom | head -c 8)
|
||
# shellcheck disable=SC1091
|
||
. /opt/pihole/webpage.sh
|
||
echo "WEBPASSWORD=$(HashPassword ${pw})" >> ${setupVars}
|
||
fi
|
||
fi
|
||
|
||
# Check for and disable systemd-resolved-DNSStubListener before reloading resolved
|
||
# DNSStubListener needs to remain in place for installer to download needed files,
|
||
# so this change needs to be made after installation is complete,
|
||
# but before starting or resarting the dnsmasq or ftl services
|
||
disable_resolved_stublistener
|
||
|
||
# If the Web server was installed,
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
|
||
if [[ "${LIGHTTPD_ENABLED}" == true ]]; then
|
||
start_service lighttpd
|
||
enable_service lighttpd
|
||
else
|
||
echo -e " ${INFO} Lighttpd is disabled, skipping service restart"
|
||
fi
|
||
fi
|
||
|
||
echo -e " ${INFO} Restarting services..."
|
||
# Start services
|
||
|
||
# Enable FTL
|
||
start_service pihole-FTL
|
||
enable_service pihole-FTL
|
||
|
||
# Download and compile the aggregated block list
|
||
runGravity
|
||
|
||
# Force an update of the updatechecker
|
||
/opt/pihole/updatecheck.sh
|
||
/opt/pihole/updatecheck.sh x remote
|
||
|
||
if [[ "${useUpdateVars}" == false ]]; then
|
||
displayFinalMessage "${pw}"
|
||
fi
|
||
|
||
# If the Web interface was installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# If there is a password,
|
||
if (( ${#pw} > 0 )) ; then
|
||
# display the password
|
||
echo -e " ${INFO} Web Interface password: ${COL_LIGHT_GREEN}${pw}${COL_NC}"
|
||
echo -e " ${INFO} This can be changed using 'pihole -a -p'\\n"
|
||
fi
|
||
fi
|
||
|
||
if [[ "${useUpdateVars}" == false ]]; then
|
||
# If the Web interface was installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
echo -e " ${INFO} View the web interface at http://pi.hole/admin or http://${IPV4_ADDRESS%/*}/admin"
|
||
echo ""
|
||
fi
|
||
# Explain to the user how to use Pi-hole as their DNS server
|
||
echo -e " ${INFO} You may now configure your devices to use the Pi-hole as their DNS server"
|
||
[[ -n "${IPV4_ADDRESS%/*}" ]] && echo -e " ${INFO} Pi-hole DNS (IPv4): ${IPV4_ADDRESS%/*}"
|
||
[[ -n "${IPV6_ADDRESS}" ]] && echo -e " ${INFO} Pi-hole DNS (IPv6): ${IPV6_ADDRESS}"
|
||
echo -e " ${INFO} If you set a new IP address, please restart the server running the Pi-hole"
|
||
INSTALL_TYPE="Installation"
|
||
else
|
||
INSTALL_TYPE="Update"
|
||
fi
|
||
|
||
# Display where the log file is
|
||
echo -e "\\n ${INFO} The install log is located at: ${installLogLoc}
|
||
${COL_LIGHT_GREEN}${INSTALL_TYPE} Complete! ${COL_NC}"
|
||
|
||
if [[ "${INSTALL_TYPE}" == "Update" ]]; then
|
||
echo ""
|
||
/usr/local/bin/pihole version --current
|
||
fi
|
||
}
|
||
|
||
if [[ "${PH_TEST}" != true ]] ; then
|
||
main "$@"
|
||
fi
|