mirror of
https://github.com/pi-hole/pi-hole.git
synced 2024-12-04 20:13:17 +00:00
2849 lines
121 KiB
Bash
Executable file
2849 lines
121 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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# Set PATH to a usual default to assure that all basic commands are available.
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# When using "su" an uncomplete PATH could be passed: https://github.com/pi-hole/pi-hole/issues/3209
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export PATH+=':/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
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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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# List of supported DNS servers
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DNS_SERVERS=$(cat << EOM
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Google (ECS);8.8.8.8;8.8.4.4;2001:4860:4860:0:0:0:0:8888;2001:4860:4860:0:0:0:0:8844
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OpenDNS (ECS, DNSSEC);208.67.222.222;208.67.220.220;2620:119:35::35;2620:119:53::53
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Level3;4.2.2.1;4.2.2.2;;
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Comodo;8.26.56.26;8.20.247.20;;
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DNS.WATCH;84.200.69.80;84.200.70.40;2001:1608:10:25:0:0:1c04:b12f;2001:1608:10:25:0:0:9249:d69b
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Quad9 (filtered, DNSSEC);9.9.9.9;149.112.112.112;2620:fe::fe;2620:fe::9
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Quad9 (unfiltered, no DNSSEC);9.9.9.10;149.112.112.10;2620:fe::10;2620:fe::fe:10
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Quad9 (filtered + ECS);9.9.9.11;149.112.112.11;2620:fe::11;2620:fe::fe:11
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Cloudflare;1.1.1.1;1.0.0.1;2606:4700:4700::1111;2606:4700:4700::1001
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EOM
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)
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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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# Root of the web server
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webroot="/var/www/html"
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# We store several other directories and
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webInterfaceGitUrl="https://github.com/pi-hole/AdminLTE.git"
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webInterfaceDir="${webroot}/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 directory is where the Pi-hole scripts will be installed
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PI_HOLE_INSTALL_DIR="/opt/pihole"
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PI_HOLE_CONFIG_DIR="/etc/pihole"
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PI_HOLE_BIN_DIR="/usr/local/bin"
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PI_HOLE_BLOCKPAGE_DIR="${webroot}/pihole"
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if [ -z "$useUpdateVars" ]; then
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useUpdateVars=false
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fi
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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=${IPV4_ADDRESS}
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IPV6_ADDRESS=${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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PRIVACY_LEVEL=0
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CACHE_SIZE=10000
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if [ -z "${USER}" ]; then
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USER="$(id -un)"
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fi
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# Check if we are running on a real terminal and find the rows and columns
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# If there is no real terminal, we will default to 80x24
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if [ -t 0 ] ; then
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screen_size=$(stty size)
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else
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screen_size="24 80"
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fi
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# Set rows variable to contain first number
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printf -v rows '%d' "${screen_size%% *}"
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# Set columns variable to contain second number
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printf -v columns '%d' "${screen_size##* }"
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# Divide by two so the dialogs take up half of the screen, which looks nice.
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r=$(( 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=$(( c < 70 ? 70 : c ))
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######## Undocumented Flags. Shhh ########
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# These are undocumented flags; some of which we can use when repairing an installation
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# The runUnattended flag is one example of this
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reconfigure=false
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runUnattended=false
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INSTALL_WEB_SERVER=true
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# Check arguments for the undocumented flags
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for var in "$@"; do
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case "$var" in
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"--reconfigure" ) reconfigure=true;;
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"--unattended" ) runUnattended=true;;
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"--disable-install-webserver" ) INSTALL_WEB_SERVER=false;;
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esac
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done
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# If the color table file exists,
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if [[ -f "${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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is_command() {
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# Checks for existence of string passed in as only function argument.
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# Exit value of 0 when exists, 1 if not exists. Value is the result
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# of the `command` shell built-in call.
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local check_command="$1"
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command -v "${check_command}" >/dev/null 2>&1
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}
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os_check() {
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if [ "$PIHOLE_SKIP_OS_CHECK" != true ]; then
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# This function gets a list of supported OS versions from a TXT record at versions.pi-hole.net
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# and determines whether or not the script is running on one of those systems
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local remote_os_domain valid_os valid_version valid_response detected_os detected_version display_warning cmdResult digReturnCode response
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remote_os_domain="versions.pi-hole.net"
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detected_os=$(grep "\bID\b" /etc/os-release | cut -d '=' -f2 | tr -d '"')
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detected_version=$(grep VERSION_ID /etc/os-release | cut -d '=' -f2 | tr -d '"')
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cmdResult="$(dig +short -t txt ${remote_os_domain} @ns1.pi-hole.net 2>&1; echo $?)"
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#Get the return code of the previous command (last line)
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digReturnCode="${cmdResult##*$'\n'}"
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if [ ! "${digReturnCode}" == "0" ]; then
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valid_response=false
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else
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# Dig returned 0 code, so get the actual response, and loop through it to determine if the detected variables above are valid
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response="${cmdResult%%$'\n'*}"
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# If the value of ${result} is a single 0, then this is the return code, not the response. Response is blank
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if [ "${response}" == 0 ]; then
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valid_response=false
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fi
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IFS=" " read -r -a supportedOS < <(echo "${response}" | tr -d '"')
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for distro_and_versions in "${supportedOS[@]}"
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do
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distro_part="${distro_and_versions%%=*}"
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versions_part="${distro_and_versions##*=}"
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if [[ "${detected_os^^}" =~ ${distro_part^^} ]]; then
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valid_os=true
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IFS="," read -r -a supportedVer <<<"${versions_part}"
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for version in "${supportedVer[@]}"
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do
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if [[ "${detected_version}" =~ $version ]]; then
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valid_version=true
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break
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fi
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done
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break
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fi
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done
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fi
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if [ "$valid_os" = true ] && [ "$valid_version" = true ] && [ ! "$valid_response" = false ]; then
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display_warning=false
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fi
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if [ "$display_warning" != false ]; then
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if [ "$valid_response" = false ]; then
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if [ "${digReturnCode}" -eq 0 ]; then
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errStr="dig succeeded, but response was blank. Please contact support"
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else
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errStr="dig failed with return code ${digReturnCode}"
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fi
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printf " %b %bRetrieval of supported OS list failed. %s. %b\\n" "${CROSS}" "${COL_LIGHT_RED}" "${errStr}" "${COL_NC}"
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printf " %bUnable to determine if the detected OS (%s %s) is supported%b\\n" "${COL_LIGHT_RED}" "${detected_os^}" "${detected_version}" "${COL_NC}"
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printf " Possible causes for this include:\\n"
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printf " - Firewall blocking certain DNS lookups from Pi-hole device\\n"
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printf " - ns1.pi-hole.net being blocked (required to obtain TXT record from versions.pi-hole.net containing supported operating systems)\\n"
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printf " - Other internet connectivity issues\\n"
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else
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printf " %b %bUnsupported OS detected: %s %s%b\\n" "${CROSS}" "${COL_LIGHT_RED}" "${detected_os^}" "${detected_version}" "${COL_NC}"
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printf " If you are seeing this message and you do have a supported OS, please contact support.\\n"
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fi
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printf "\\n"
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printf " %bhttps://docs.pi-hole.net/main/prerequesites/#supported-operating-systems%b\\n" "${COL_LIGHT_GREEN}" "${COL_NC}"
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printf "\\n"
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printf " If you wish to attempt to continue anyway, you can try one of the following commands to skip this check:\\n"
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printf "\\n"
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printf " e.g: If you are seeing this message on a fresh install, you can run:\\n"
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printf " %bcurl -sSL https://install.pi-hole.net | PIHOLE_SKIP_OS_CHECK=true sudo -E bash%b\\n" "${COL_LIGHT_GREEN}" "${COL_NC}"
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printf "\\n"
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printf " If you are seeing this message after having run pihole -up:\\n"
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printf " %bPIHOLE_SKIP_OS_CHECK=true sudo -E pihole -r%b\\n" "${COL_LIGHT_GREEN}" "${COL_NC}"
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printf " (In this case, your previous run of pihole -up will have already updated the local repository)\\n"
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printf "\\n"
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printf " It is possible that the installation will still fail at this stage due to an unsupported configuration.\\n"
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printf " If that is the case, you can feel free to ask the community on Discourse with the %bCommunity Help%b category:\\n" "${COL_LIGHT_RED}" "${COL_NC}"
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printf " %bhttps://discourse.pi-hole.net/c/bugs-problems-issues/community-help/%b\\n" "${COL_LIGHT_GREEN}" "${COL_NC}"
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printf "\\n"
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exit 1
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else
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printf " %b %bSupported OS detected%b\\n" "${TICK}" "${COL_LIGHT_GREEN}" "${COL_NC}"
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fi
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else
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printf " %b %bPIHOLE_SKIP_OS_CHECK env variable set to true - installer will continue%b\\n" "${INFO}" "${COL_LIGHT_GREEN}" "${COL_NC}"
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fi
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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 is_command apt-get ; 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}" -qq --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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# on Ubuntu 18.04.1 LTS we need to add the universe repository to gain access to dhcpcd5
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APT_SOURCES="/etc/apt/sources.list"
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if awk 'BEGIN{a=1;b=0}/bionic main/{a=0}/bionic.*universe/{b=1}END{exit a + b}' ${APT_SOURCES}; then
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if ! whiptail --defaultno --title "Dependencies Require Update to Allowed Repositories" --yesno "Would you like to enable 'universe' repository?\\n\\nThis repository is required by the following packages:\\n\\n- dhcpcd5" "${r}" "${c}"; then
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printf " %b Aborting installation: Dependencies could not be installed.\\n" "${CROSS}"
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exit 1 # exit the installer
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else
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printf " %b Enabling universe package repository for Ubuntu Bionic\\n" "${INFO}"
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cp -p ${APT_SOURCES} ${APT_SOURCES}.backup # Backup current repo list
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printf " %b Backed up current configuration to %s\\n" "${TICK}" "${APT_SOURCES}.backup"
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add-apt-repository universe
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printf " %b Enabled %s\\n" "${TICK}" "'universe' repository"
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fi
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fi
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# Update package cache. This is required already here to assure apt-cache calls have package lists available.
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update_package_cache || exit 1
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# Debian 7 doesn't have iproute2 so check if it's available first
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if apt-cache show iproute2 > /dev/null 2>&1; then
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iproute_pkg="iproute2"
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# Otherwise, check if iproute is available
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elif apt-cache show iproute > /dev/null 2>&1; then
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iproute_pkg="iproute"
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# Else print error and exit
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else
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printf " %b Aborting installation: iproute2 and iproute packages were not found in APT repository.\\n" "${CROSS}"
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exit 1
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fi
|
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# Check for and determine version number (major and minor) of current php install
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if is_command php ; then
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printf " %b Existing PHP installation detected : PHP version %s\\n" "${INFO}" "$(php <<< "<?php echo PHP_VERSION ?>")"
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printf -v phpInsMajor "%d" "$(php <<< "<?php echo PHP_MAJOR_VERSION ?>")"
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printf -v phpInsMinor "%d" "$(php <<< "<?php echo PHP_MINOR_VERSION ?>")"
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# Is installed php version 7.0 or greater
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if [ "${phpInsMajor}" -ge 7 ]; 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 [[ "$phpInsNewer" != true ]]; then
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# Prefer the php metapackage if it's there
|
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if apt-cache show php > /dev/null 2>&1; then
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phpVer="php"
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# Else fall back on the php5 package if it's there
|
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elif apt-cache show php5 > /dev/null 2>&1; then
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phpVer="php5"
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# Else print error and exit
|
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else
|
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printf " %b Aborting installation: No PHP packages were found in APT repository.\\n" "${CROSS}"
|
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exit 1
|
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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
|
||
# We also need the correct version for `php-sqlite` (which differs across distros)
|
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if apt-cache show "${phpVer}-sqlite3" > /dev/null 2>&1; then
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phpSqlite="sqlite3"
|
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elif apt-cache show "${phpVer}-sqlite" > /dev/null 2>&1; then
|
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phpSqlite="sqlite"
|
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else
|
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printf " %b Aborting installation: No SQLite PHP module was found in APT repository.\\n" "${CROSS}"
|
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exit 1
|
||
fi
|
||
# Since our install script is so large, we need several other programs to successfully get a machine provisioned
|
||
# These programs are stored in an array so they can be looped through later
|
||
INSTALLER_DEPS=(dhcpcd5 git "${iproute_pkg}" whiptail dnsutils)
|
||
# Pi-hole itself has several dependencies that also need to be installed
|
||
PIHOLE_DEPS=(cron curl iputils-ping lsof netcat psmisc sudo unzip wget idn2 sqlite3 libcap2-bin dns-root-data libcap2)
|
||
# The Web dashboard has some that also need to be installed
|
||
# It's useful to separate the two since our repos are also setup as "Core" code and "Web" code
|
||
PIHOLE_WEB_DEPS=(lighttpd "${phpVer}-common" "${phpVer}-cgi" "${phpVer}-${phpSqlite}" "${phpVer}-xml" "${phpVer}-json" "${phpVer}-intl")
|
||
# The Web server user,
|
||
LIGHTTPD_USER="www-data"
|
||
# group,
|
||
LIGHTTPD_GROUP="www-data"
|
||
# and config file
|
||
LIGHTTPD_CFG="lighttpd.conf.debian"
|
||
|
||
# A function to check...
|
||
test_dpkg_lock() {
|
||
# An iterator used for counting loop iterations
|
||
i=0
|
||
# fuser is a program to show which processes use the named files, sockets, or filesystems
|
||
# So while the command is true
|
||
while fuser /var/lib/dpkg/lock >/dev/null 2>&1 ; do
|
||
# Wait half a second
|
||
sleep 0.5
|
||
# and increase the iterator
|
||
((i=i+1))
|
||
done
|
||
# Always return success, since we only return if there is no
|
||
# lock (anymore)
|
||
return 0
|
||
}
|
||
|
||
# If apt-get is not found, check for rpm to see if it's a Red Hat family OS
|
||
elif is_command rpm ; then
|
||
# Then check if dnf or yum is the package manager
|
||
if is_command dnf ; then
|
||
PKG_MANAGER="dnf"
|
||
else
|
||
PKG_MANAGER="yum"
|
||
fi
|
||
|
||
PKG_INSTALL=("${PKG_MANAGER}" install -y)
|
||
PKG_COUNT="${PKG_MANAGER} check-update | egrep '(.i686|.x86|.noarch|.arm|.src)' | wc -l"
|
||
INSTALLER_DEPS=(git iproute newt procps-ng which chkconfig bind-utils)
|
||
PIHOLE_DEPS=(cronie curl findutils nmap-ncat sudo unzip libidn2 psmisc sqlite libcap lsof)
|
||
PIHOLE_WEB_DEPS=(lighttpd lighttpd-fastcgi php-common php-cli php-pdo php-xml php-json php-intl)
|
||
LIGHTTPD_USER="lighttpd"
|
||
LIGHTTPD_GROUP="lighttpd"
|
||
LIGHTTPD_CFG="lighttpd.conf.fedora"
|
||
# If the host OS is Fedora,
|
||
if grep -qiE 'fedora|fedberry' /etc/redhat-release; then
|
||
# all required packages should be available by default with the latest fedora release
|
||
: # continue
|
||
# or if host OS is CentOS,
|
||
elif grep -qiE 'centos|scientific' /etc/redhat-release; then
|
||
# Pi-Hole currently supports CentOS 7+ with PHP7+
|
||
SUPPORTED_CENTOS_VERSION=7
|
||
SUPPORTED_CENTOS_PHP_VERSION=7
|
||
# Check current CentOS major release version
|
||
CURRENT_CENTOS_VERSION=$(grep -oP '(?<= )[0-9]+(?=\.?)' /etc/redhat-release)
|
||
# Check if CentOS version is supported
|
||
if [[ $CURRENT_CENTOS_VERSION -lt $SUPPORTED_CENTOS_VERSION ]]; then
|
||
printf " %b CentOS %s is not supported.\\n" "${CROSS}" "${CURRENT_CENTOS_VERSION}"
|
||
printf " Please update to CentOS release %s or later.\\n" "${SUPPORTED_CENTOS_VERSION}"
|
||
# exit the installer
|
||
exit
|
||
fi
|
||
# php-json is not required on CentOS 7 as it is already compiled into php
|
||
# verifiy via `php -m | grep json`
|
||
if [[ $CURRENT_CENTOS_VERSION -eq 7 ]]; then
|
||
# create a temporary array as arrays are not designed for use as mutable data structures
|
||
CENTOS7_PIHOLE_WEB_DEPS=()
|
||
for i in "${!PIHOLE_WEB_DEPS[@]}"; do
|
||
if [[ ${PIHOLE_WEB_DEPS[i]} != "php-json" ]]; then
|
||
CENTOS7_PIHOLE_WEB_DEPS+=( "${PIHOLE_WEB_DEPS[i]}" )
|
||
fi
|
||
done
|
||
# re-assign the clean dependency array back to PIHOLE_WEB_DEPS
|
||
PIHOLE_WEB_DEPS=("${CENTOS7_PIHOLE_WEB_DEPS[@]}")
|
||
unset CENTOS7_PIHOLE_WEB_DEPS
|
||
fi
|
||
# CentOS requires the EPEL repository to gain access to Fedora packages
|
||
EPEL_PKG="epel-release"
|
||
rpm -q ${EPEL_PKG} &> /dev/null || rc=$?
|
||
if [[ $rc -ne 0 ]]; then
|
||
printf " %b Enabling EPEL package repository (https://fedoraproject.org/wiki/EPEL)\\n" "${INFO}"
|
||
"${PKG_INSTALL[@]}" ${EPEL_PKG} &> /dev/null
|
||
printf " %b Installed %s\\n" "${TICK}" "${EPEL_PKG}"
|
||
fi
|
||
|
||
# The default php on CentOS 7.x is 5.4 which is EOL
|
||
# Check if the version of PHP available via installed repositories is >= to PHP 7
|
||
AVAILABLE_PHP_VERSION=$("${PKG_MANAGER}" info php | grep -i version | grep -o '[0-9]\+' | head -1)
|
||
if [[ $AVAILABLE_PHP_VERSION -ge $SUPPORTED_CENTOS_PHP_VERSION ]]; then
|
||
# Since PHP 7 is available by default, install via default PHP package names
|
||
: # do nothing as PHP is current
|
||
else
|
||
REMI_PKG="remi-release"
|
||
REMI_REPO="remi-php72"
|
||
rpm -q ${REMI_PKG} &> /dev/null || rc=$?
|
||
if [[ $rc -ne 0 ]]; then
|
||
# The PHP version available via default repositories is older than version 7
|
||
if ! whiptail --defaultno --title "PHP 7 Update (recommended)" --yesno "PHP 7.x is recommended for both security and language features.\\nWould you like to install PHP7 via Remi's RPM repository?\\n\\nSee: https://rpms.remirepo.net for more information" "${r}" "${c}"; then
|
||
# User decided to NOT update PHP from REMI, attempt to install the default available PHP version
|
||
printf " %b User opt-out of PHP 7 upgrade on CentOS. Deprecated PHP may be in use.\\n" "${INFO}"
|
||
: # continue with unsupported php version
|
||
else
|
||
printf " %b Enabling Remi's RPM repository (https://rpms.remirepo.net)\\n" "${INFO}"
|
||
"${PKG_INSTALL[@]}" "https://rpms.remirepo.net/enterprise/${REMI_PKG}-$(rpm -E '%{rhel}').rpm" &> /dev/null
|
||
# enable the PHP 7 repository via yum-config-manager (provided by yum-utils)
|
||
"${PKG_INSTALL[@]}" "yum-utils" &> /dev/null
|
||
yum-config-manager --enable ${REMI_REPO} &> /dev/null
|
||
printf " %b Remi's RPM repository has been enabled for PHP7\\n" "${TICK}"
|
||
# trigger an install/update of PHP to ensure previous version of PHP is updated from REMI
|
||
if "${PKG_INSTALL[@]}" "php-cli" &> /dev/null; then
|
||
printf " %b PHP7 installed/updated via Remi's RPM repository\\n" "${TICK}"
|
||
else
|
||
printf " %b There was a problem updating to PHP7 via Remi's RPM repository\\n" "${CROSS}"
|
||
exit 1
|
||
fi
|
||
fi
|
||
fi
|
||
fi
|
||
else
|
||
# Warn user of unsupported version of Fedora or CentOS
|
||
if ! whiptail --defaultno --title "Unsupported RPM based distribution" --yesno "Would you like to continue installation on an unsupported RPM based distribution?\\n\\nPlease ensure the following packages have been installed manually:\\n\\n- lighttpd\\n- lighttpd-fastcgi\\n- PHP version 7+" "${r}" "${c}"; then
|
||
printf " %b Aborting installation due to unsupported RPM based distribution\\n" "${CROSS}"
|
||
exit # exit the installer
|
||
else
|
||
printf " %b Continuing installation with unsupported RPM based distribution\\n" "${INFO}"
|
||
fi
|
||
fi
|
||
|
||
# If neither apt-get or yum/dnf package managers were found
|
||
else
|
||
# it's not an OS we can support,
|
||
printf " %b OS distribution not supported\\n" "${CROSS}"
|
||
# so exit the installer
|
||
exit
|
||
fi
|
||
}
|
||
|
||
# A function for checking if a directory is a git repository
|
||
is_repo() {
|
||
# Use a named, local variable instead of the vague $1, which is the first argument passed to this function
|
||
# These local variables should always be lowercase
|
||
local directory="${1}"
|
||
# A variable to store the return code
|
||
local rc
|
||
# If the first argument passed to this function is a directory,
|
||
if [[ -d "${directory}" ]]; then
|
||
# move into the directory
|
||
pushd "${directory}" &> /dev/null || return 1
|
||
# Use git to check if the directory is a repo
|
||
# git -C is not used here to support git versions older than 1.8.4
|
||
git status --short &> /dev/null || rc=$?
|
||
# If the command was not successful,
|
||
else
|
||
# Set a non-zero return code if directory does not exist
|
||
rc=1
|
||
fi
|
||
# Move back into the directory the user started in
|
||
popd &> /dev/null || return 1
|
||
# Return the code; if one is not set, return 0
|
||
return "${rc:-0}"
|
||
}
|
||
|
||
# A function to clone a repo
|
||
make_repo() {
|
||
# Set named variables for better readability
|
||
local directory="${1}"
|
||
local remoteRepo="${2}"
|
||
|
||
# The message to display when this function is running
|
||
str="Clone ${remoteRepo} into ${directory}"
|
||
# Display the message and use the color table to preface the message with an "info" indicator
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# If the directory exists,
|
||
if [[ -d "${directory}" ]]; then
|
||
# Return with a 1 to exit the installer. We don't want to overwrite what could already be here in case it is not ours
|
||
str="Unable to clone ${remoteRepo} into ${directory} : Directory already exists"
|
||
printf "%b %b%s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
return 1
|
||
fi
|
||
# Clone the repo and return the return code from this command
|
||
git clone -q --depth 20 "${remoteRepo}" "${directory}" &> /dev/null || return $?
|
||
# Move into the directory that was passed as an argument
|
||
pushd "${directory}" &> /dev/null || return 1
|
||
# Check current branch. If it is master, then reset to the latest available tag.
|
||
# In case extra commits have been added after tagging/release (i.e in case of metadata updates/README.MD tweaks)
|
||
curBranch=$(git rev-parse --abbrev-ref HEAD)
|
||
if [[ "${curBranch}" == "master" ]]; then #If we're calling make_repo() then it should always be master, we may not need to check.
|
||
git reset --hard "$(git describe --abbrev=0 --tags)" || return $?
|
||
fi
|
||
# Show a colored message showing it's status
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
# Data in the repositories is public anyway so we can make it readable by everyone (+r to keep executable permission if already set by git)
|
||
chmod -R a+rX "${directory}"
|
||
# Move back into the original directory
|
||
popd &> /dev/null || return 1
|
||
return 0
|
||
}
|
||
|
||
# We need to make sure the repos are up-to-date so we can effectively install Clean out the directory if it exists for git to clone into
|
||
update_repo() {
|
||
# Use named, local variables
|
||
# As you can see, these are the same variable names used in the last function,
|
||
# but since they are local, their scope does not go beyond this function
|
||
# This helps prevent the wrong value from being assigned if you were to set the variable as a GLOBAL one
|
||
local directory="${1}"
|
||
local curBranch
|
||
|
||
# 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 ${1}"
|
||
# Move into the directory that was passed as an argument
|
||
pushd "${directory}" &> /dev/null || return 1
|
||
# Let the user know what's happening
|
||
printf " %b %s..." "${INFO}" "${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 $?
|
||
# Check current branch. If it is master, then reset to the latest available tag.
|
||
# In case extra commits have been added after tagging/release (i.e in case of metadata updates/README.MD tweaks)
|
||
curBranch=$(git rev-parse --abbrev-ref HEAD)
|
||
if [[ "${curBranch}" == "master" ]]; then
|
||
git reset --hard "$(git describe --abbrev=0 --tags)" || return $?
|
||
fi
|
||
# Show a completion message
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
# Data in the repositories is public anyway so we can make it readable by everyone (+r to keep executable permission if already set by git)
|
||
chmod -R a+rX "${directory}"
|
||
# Move back into the original directory
|
||
popd &> /dev/null || return 1
|
||
return 0
|
||
}
|
||
|
||
# A function that combines the functions previously made
|
||
getGitFiles() {
|
||
# Setup named variables for the git repos
|
||
# We need the directory
|
||
local directory="${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 ${1}"
|
||
# Show the message
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# Check if the directory is a repository
|
||
if is_repo "${directory}"; then
|
||
# Show that we're checking it
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
# Update the repo, returning an error message on failure
|
||
update_repo "${directory}" || { printf "\\n %b: Could not update local repository. Contact support.%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; exit 1; }
|
||
# If it's not a .git repo,
|
||
else
|
||
# Show an error
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
# Attempt to make the repository, showing an error on failure
|
||
make_repo "${directory}" "${remoteRepo}" || { printf "\\n %bError: Could not update local repository. Contact support.%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; exit 1; }
|
||
fi
|
||
# echo a blank line
|
||
echo ""
|
||
# and return success?
|
||
return 0
|
||
}
|
||
|
||
# Reset a repo to get rid of any local changed
|
||
resetRepo() {
|
||
# Use named variables for arguments
|
||
local directory="${1}"
|
||
# Move into the directory
|
||
pushd "${directory}" &> /dev/null || return 1
|
||
# Store the message in a variable
|
||
str="Resetting repository within ${1}..."
|
||
# Show the message
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# Use git to remove the local changes
|
||
git reset --hard &> /dev/null || return $?
|
||
# Data in the repositories is public anyway so we can make it readable by everyone (+r to keep executable permission if already set by git)
|
||
chmod -R a+rX "${directory}"
|
||
# And show the status
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
# Return to where we came from
|
||
popd &> /dev/null || return 1
|
||
# Returning success anyway?
|
||
return 0
|
||
}
|
||
|
||
find_IPv4_information() {
|
||
# Detects IPv4 address used for communication to WAN addresses.
|
||
# Accepts no arguments, returns no values.
|
||
|
||
# Named, local variables
|
||
local route
|
||
local IPv4bare
|
||
|
||
# Find IP used to route to outside world by checking the the route to Google's public DNS server
|
||
route=$(ip route get 8.8.8.8)
|
||
|
||
# Get just the interface IPv4 address
|
||
# shellcheck disable=SC2059,SC2086
|
||
# disabled as we intentionally want to split on whitespace and have printf populate
|
||
# the variable with just the first field.
|
||
printf -v IPv4bare "$(printf ${route#*src })"
|
||
# Get the default gateway IPv4 address (the way to reach the Internet)
|
||
# shellcheck disable=SC2059,SC2086
|
||
printf -v IPv4gw "$(printf ${route#*via })"
|
||
|
||
if ! valid_ip "${IPv4bare}" ; then
|
||
IPv4bare="127.0.0.1"
|
||
fi
|
||
|
||
# Append the CIDR notation to the IP address, if valid_ip fails this should return 127.0.0.1/8
|
||
IPV4_ADDRESS=$(ip -oneline -family inet address show | grep "${IPv4bare}/" | awk '{print $4}' | awk 'END {print}')
|
||
}
|
||
|
||
# Get available interfaces that are UP
|
||
get_available_interfaces() {
|
||
# There may be more than one so it's all stored in a variable
|
||
availableInterfaces=$(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}" "${c}"
|
||
|
||
# Request that users donate if they enjoy the software since we all work on it in our free time
|
||
whiptail --msgbox --backtitle "Plea" --title "Free and open source" "\\n\\nThe Pi-hole is free, but powered by your donations: https://pi-hole.net/donate/" "${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}" "${c}"
|
||
}
|
||
|
||
# A function that let's the user pick an interface to use with Pi-hole
|
||
chooseInterface() {
|
||
# Turn the available interfaces into an array so it can be used with a whiptail dialog
|
||
local interfacesArray=()
|
||
# Number of available interfaces
|
||
local interfaceCount
|
||
# Whiptail variable storage
|
||
local chooseInterfaceCmd
|
||
# Temporary Whiptail options storage
|
||
local chooseInterfaceOptions
|
||
# Loop sentinel variable
|
||
local firstLoop=1
|
||
|
||
# Find out how many interfaces are available to choose from
|
||
interfaceCount=$(wc -l <<< "${availableInterfaces}")
|
||
|
||
# If there is one interface,
|
||
if [[ "${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 <<< "${availableInterfaces}"
|
||
# The whiptail command that will be run, stored in a variable
|
||
chooseInterfaceCmd=(whiptail --separate-output --radiolist "Choose An Interface (press space to toggle selection)" "${r}" "${c}" "${interfaceCount}")
|
||
# Now run the command using the interfaces saved into the array
|
||
chooseInterfaceOptions=$("${chooseInterfaceCmd[@]}" "${interfacesArray[@]}" 2>&1 >/dev/tty) || \
|
||
# If the user chooses Cancel, exit
|
||
{ printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${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
|
||
printf " %b Using interface: %s\\n" "${INFO}" "${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)
|
||
printf -v first "%s" "${1%%:*}"
|
||
# value1 will contain 253 which is the decimal value corresponding to 0xfd
|
||
value1=$(( (0x$first)/256 ))
|
||
# will contain 162 which is the decimal value corresponding to 0xa2
|
||
value2=$(( (0x$first)%256 ))
|
||
# the ULA test is testing for fc00::/7 according to RFC 4193
|
||
if (( (value1&254)==252 )); then
|
||
# echoing result to calling function as return value
|
||
echo "ULA"
|
||
fi
|
||
# the GUA test is testing for 2000::/3 according to RFC 4291
|
||
if (( (value1&112)==32 )); then
|
||
# echoing result to calling function as return value
|
||
echo "GUA"
|
||
fi
|
||
# the LL test is testing for fe80::/10 according to RFC 4193
|
||
if (( (value1)==254 )) && (( (value2&192)==128 )); then
|
||
# echoing result to calling function as return value
|
||
echo "Link-local"
|
||
fi
|
||
}
|
||
|
||
# A dialog for showing the user about IPv6 blocking
|
||
useIPv6dialog() {
|
||
# Determine the IPv6 address used for blocking
|
||
IPV6_ADDRESSES=($(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
|
||
printf " %b Found IPv6 ULA address, using it for blocking IPv6 ads\\n" "${INFO}"
|
||
# Otherwise, if the GUA_ADDRESS has a value,
|
||
elif [[ ! -z "${GUA_ADDRESS}" ]]; then
|
||
# Let the user know
|
||
printf " %b Found IPv6 GUA address, using it for blocking IPv6 ads\\n" "${INFO}"
|
||
# And assign it to the global variable
|
||
IPV6_ADDRESS="${GUA_ADDRESS}"
|
||
# If none of those work,
|
||
else
|
||
# explain that IPv6 blocking will not be used
|
||
printf " %b Unable to find IPv6 ULA/GUA address, IPv6 adblocking will not be enabled\\n" "${INFO}"
|
||
# So set the variable to be empty
|
||
IPV6_ADDRESS=""
|
||
fi
|
||
|
||
# If the IPV6_ADDRESS contains a value
|
||
if [[ ! -z "${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}" "${c}"
|
||
fi
|
||
}
|
||
|
||
# A function to check if we should use IPv4 and/or IPv6 for blocking ads
|
||
use4andor6() {
|
||
# Named local variables
|
||
local useIPv4
|
||
local useIPv6
|
||
# Let user choose IPv4 and/or IPv6 via a checklist
|
||
cmd=(whiptail --separate-output --checklist "Select Protocols (press space to toggle selection)" "${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) || { printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${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 [[ "${useIPv6}" ]]; then
|
||
# Run our function to get this information
|
||
useIPv6dialog
|
||
fi
|
||
# Echo the information to the user
|
||
printf " %b IPv4 address: %s\\n" "${INFO}" "${IPV4_ADDRESS}"
|
||
printf " %b IPv6 address: %s\\n" "${INFO}" "${IPV6_ADDRESS}"
|
||
# If neither protocol is selected,
|
||
if [[ ! "${useIPv4}" ]] && [[ ! "${useIPv6}" ]]; then
|
||
# Show an error in red
|
||
printf " %bError: Neither IPv4 or IPv6 selected%b\\n" "${COL_LIGHT_RED}" "${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) || \
|
||
# Canceling IPv4 settings window
|
||
{ ipSettingsCorrect=False; echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
|
||
printf " %b Your static IPv4 address: %s\\n" "${INFO}" "${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) || \
|
||
# Canceling gateway settings window
|
||
{ ipSettingsCorrect=False; echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
|
||
printf " %b Your static IPv4 gateway: %s\\n" "${INFO}" "${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}" "${c}"; then
|
||
# After that's done, the loop ends and we move on
|
||
ipSettingsCorrect=True
|
||
else
|
||
# If the settings are wrong, the loop continues
|
||
ipSettingsCorrect=False
|
||
fi
|
||
done
|
||
# End the if statement for DHCP vs. static
|
||
fi
|
||
}
|
||
|
||
# configure networking via dhcpcd
|
||
setDHCPCD() {
|
||
# check if the IP is already in the file
|
||
if grep -q "${IPV4_ADDRESS}" /etc/dhcpcd.conf; then
|
||
printf " %b Static IP already configured\\n" "${INFO}"
|
||
# If it's not,
|
||
else
|
||
# we can append these lines to dhcpcd.conf to enable a static IP
|
||
echo "interface ${PIHOLE_INTERFACE}
|
||
static ip_address=${IPV4_ADDRESS}
|
||
static routers=${IPv4gw}
|
||
static domain_name_servers=${PIHOLE_DNS_1} ${PIHOLE_DNS_2}" | tee -a /etc/dhcpcd.conf >/dev/null
|
||
# Then use the ip command to immediately set the new address
|
||
ip addr replace dev "${PIHOLE_INTERFACE}" "${IPV4_ADDRESS}"
|
||
# Also give a warning that the user may need to reboot their system
|
||
printf " %b Set IP address to %s\\n" "${TICK}" "${IPV4_ADDRESS%/*}"
|
||
printf " %b You may need to restart after the install is complete\\n" "${INFO}"
|
||
fi
|
||
}
|
||
|
||
# configure networking ifcfg-xxxx file found at /etc/sysconfig/network-scripts/
|
||
# this function requires the full path of an ifcfg file passed as an argument
|
||
setIFCFG() {
|
||
# Local, named variables
|
||
local IFCFG_FILE
|
||
local IPADDR
|
||
local CIDR
|
||
IFCFG_FILE=$1
|
||
printf -v IPADDR "%s" "${IPV4_ADDRESS%%/*}"
|
||
# check if the desired IP is already set
|
||
if grep -Eq "${IPADDR}(\\b|\\/)" "${IFCFG_FILE}"; then
|
||
printf " %b Static IP already configured\\n" "${INFO}"
|
||
# Otherwise,
|
||
else
|
||
# Put the IP in variables without the CIDR notation
|
||
printf -v CIDR "%s" "${IPV4_ADDRESS##*/}"
|
||
# Backup existing interface configuration:
|
||
cp -p "${IFCFG_FILE}" "${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"
|
||
}> "${IFCFG_FILE}"
|
||
chmod 644 "${IFCFG_FILE}"
|
||
chown root:root "${IFCFG_FILE}"
|
||
# Use ip to immediately set the new address
|
||
ip addr replace dev "${PIHOLE_INTERFACE}" "${IPV4_ADDRESS}"
|
||
# If NetworkMangler command line interface exists and ready to mangle,
|
||
if is_command nmcli && nmcli general status &> /dev/null; then
|
||
# Tell NetworkManagler to read our new sysconfig file
|
||
nmcli con load "${IFCFG_FILE}" > /dev/null
|
||
fi
|
||
# Show a warning that the user may need to restart
|
||
printf " %b Set IP address to %s\\n You may need to restart after the install is complete\\n" "${TICK}" "${IPV4_ADDRESS%%/*}"
|
||
fi
|
||
}
|
||
|
||
setStaticIPv4() {
|
||
# Local, named variables
|
||
local IFCFG_FILE
|
||
local CONNECTION_NAME
|
||
|
||
# If a static interface is already configured, we are done.
|
||
if [[ -r "/etc/sysconfig/network/ifcfg-${PIHOLE_INTERFACE}" ]]; then
|
||
if grep -q '^BOOTPROTO=.static.' "/etc/sysconfig/network/ifcfg-${PIHOLE_INTERFACE}"; then
|
||
return 0
|
||
fi
|
||
fi
|
||
# For the Debian family, if dhcpcd.conf exists,
|
||
if [[ -f "/etc/dhcpcd.conf" ]]; then
|
||
# configure networking via dhcpcd
|
||
setDHCPCD
|
||
return 0
|
||
fi
|
||
# If a DHCPCD config file was not found, check for an ifcfg config file based on interface name
|
||
if [[ -f "/etc/sysconfig/network-scripts/ifcfg-${PIHOLE_INTERFACE}" ]];then
|
||
# If it exists,
|
||
IFCFG_FILE=/etc/sysconfig/network-scripts/ifcfg-${PIHOLE_INTERFACE}
|
||
setIFCFG "${IFCFG_FILE}"
|
||
return 0
|
||
fi
|
||
# if an ifcfg config does not exists for the interface name, try the connection name via network manager
|
||
if is_command nmcli && nmcli general status &> /dev/null; then
|
||
CONNECTION_NAME=$(nmcli dev show "${PIHOLE_INTERFACE}" | grep 'GENERAL.CONNECTION' | cut -d: -f2 | sed 's/^System//' | xargs | tr ' ' '_')
|
||
if [[ -f "/etc/sysconfig/network-scripts/ifcfg-${CONNECTION_NAME}" ]];then
|
||
# If it exists,
|
||
IFCFG_FILE=/etc/sysconfig/network-scripts/ifcfg-${CONNECTION_NAME}
|
||
setIFCFG "${IFCFG_FILE}"
|
||
return 0
|
||
fi
|
||
fi
|
||
# If previous conditions failed, show an error and exit
|
||
printf " %b Warning: Unable to locate configuration file to set static IPv4 address\\n" "${INFO}"
|
||
exit 1
|
||
}
|
||
|
||
# Check an IP address to see if it is a valid one
|
||
valid_ip() {
|
||
# Local, named variables
|
||
local ip=${1}
|
||
local stat=1
|
||
|
||
# One IPv4 element is 8bit: 0 - 256
|
||
local ipv4elem="(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]?|0)";
|
||
# optional port number starting '#' with range of 1-65536
|
||
local portelem="(#([1-9]|[1-8][0-9]|9[0-9]|[1-8][0-9]{2}|9[0-8][0-9]|99[0-9]|[1-8][0-9]{3}|9[0-8][0-9]{2}|99[0-8][0-9]|999[0-9]|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-6]))?"
|
||
# build a full regex string from the above parts
|
||
local regex="^${ipv4elem}\.${ipv4elem}\.${ipv4elem}\.${ipv4elem}${portelem}$"
|
||
|
||
[[ $ip =~ ${regex} ]]
|
||
|
||
stat=$?
|
||
# Return the exit code
|
||
return "${stat}"
|
||
}
|
||
|
||
valid_ip6() {
|
||
local ip=${1}
|
||
local stat=1
|
||
|
||
# One IPv6 element is 16bit: 0000 - FFFF
|
||
local ipv6elem="[0-9a-fA-F]{1,4}"
|
||
# CIDR for IPv6 is 1- 128 bit
|
||
local v6cidr="(\\/([1-9]|[1-9][0-9]|1[0-1][0-9]|12[0-8])){0,1}"
|
||
# optional port number starting '#' with range of 1-65536
|
||
local portelem="(#([1-9]|[1-8][0-9]|9[0-9]|[1-8][0-9]{2}|9[0-8][0-9]|99[0-9]|[1-8][0-9]{3}|9[0-8][0-9]{2}|99[0-8][0-9]|999[0-9]|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-6]))?"
|
||
# build a full regex string from the above parts
|
||
local regex="^(((${ipv6elem}))*((:${ipv6elem}))*::((${ipv6elem}))*((:${ipv6elem}))*|((${ipv6elem}))((:${ipv6elem})){7})${v6cidr}${portelem}$"
|
||
|
||
[[ ${ip} =~ ${regex} ]]
|
||
|
||
stat=$?
|
||
# Return the exit code
|
||
return "${stat}"
|
||
}
|
||
|
||
# A function to choose the upstream DNS provider(s)
|
||
setDNS() {
|
||
# Local, named variables
|
||
local DNSSettingsCorrect
|
||
|
||
# In an array, list the available upstream providers
|
||
DNSChooseOptions=()
|
||
local DNSServerCount=0
|
||
# Save the old Internal Field Separator in a variable
|
||
OIFS=$IFS
|
||
# and set the new one to newline
|
||
IFS=$'\n'
|
||
# Put the DNS Servers into an array
|
||
for DNSServer in ${DNS_SERVERS}
|
||
do
|
||
DNSName="$(cut -d';' -f1 <<< "${DNSServer}")"
|
||
DNSChooseOptions[DNSServerCount]="${DNSName}"
|
||
(( DNSServerCount=DNSServerCount+1 ))
|
||
DNSChooseOptions[DNSServerCount]=""
|
||
(( DNSServerCount=DNSServerCount+1 ))
|
||
done
|
||
DNSChooseOptions[DNSServerCount]="Custom"
|
||
(( DNSServerCount=DNSServerCount+1 ))
|
||
DNSChooseOptions[DNSServerCount]=""
|
||
# Restore the IFS to what it was
|
||
IFS=${OIFS}
|
||
# In a whiptail dialog, show the options
|
||
DNSchoices=$(whiptail --separate-output --menu "Select Upstream DNS Provider. To use your own, select Custom." "${r}" "${c}" 7 \
|
||
"${DNSChooseOptions[@]}" 2>&1 >/dev/tty) || \
|
||
# exit if Cancel is selected
|
||
{ printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; exit 1; }
|
||
|
||
# Depending on the user's choice, set the GLOBAl variables to the IP of the respective provider
|
||
if [[ "${DNSchoices}" == "Custom" ]]
|
||
then
|
||
# 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}" "${prePopulate}" 3>&1 1>&2 2>&3) || \
|
||
{ printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; exit 1; }
|
||
# Clean user input and replace whitespace with comma.
|
||
piholeDNS=$(sed 's/[, \t]\+/,/g' <<< "${piholeDNS}")
|
||
|
||
printf -v PIHOLE_DNS_1 "%s" "${piholeDNS%%,*}"
|
||
printf -v PIHOLE_DNS_2 "%s" "${piholeDNS##*,}"
|
||
|
||
# If the IP is valid,
|
||
if ! valid_ip "${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}" "${c}"); then
|
||
# and break from the loop since the servers are valid
|
||
DNSSettingsCorrect=True
|
||
# Otherwise,
|
||
else
|
||
# If the settings are wrong, the loop continues
|
||
DNSSettingsCorrect=False
|
||
fi
|
||
fi
|
||
done
|
||
else
|
||
# Save the old Internal Field Separator in a variable
|
||
OIFS=$IFS
|
||
# and set the new one to newline
|
||
IFS=$'\n'
|
||
for DNSServer in ${DNS_SERVERS}
|
||
do
|
||
DNSName="$(cut -d';' -f1 <<< "${DNSServer}")"
|
||
if [[ "${DNSchoices}" == "${DNSName}" ]]
|
||
then
|
||
PIHOLE_DNS_1="$(cut -d';' -f2 <<< "${DNSServer}")"
|
||
PIHOLE_DNS_2="$(cut -d';' -f3 <<< "${DNSServer}")"
|
||
break
|
||
fi
|
||
done
|
||
# Restore the IFS to what it was
|
||
IFS=${OIFS}
|
||
fi
|
||
|
||
# Display final selection
|
||
local DNSIP=${PIHOLE_DNS_1}
|
||
[[ -z ${PIHOLE_DNS_2} ]] || DNSIP+=", ${PIHOLE_DNS_2}"
|
||
printf " %b Using upstream DNS: %s (%s)\\n" "${INFO}" "${DNSchoices}" "${DNSIP}"
|
||
}
|
||
|
||
# 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[@]}" "${LogChooseOptions[@]}" 2>&1 >/dev/tty) || (printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}" && exit 1)
|
||
case ${LogChoices} in
|
||
# If it's on
|
||
"On (Recommended)")
|
||
printf " %b Logging On.\\n" "${INFO}"
|
||
# Set the GLOBAL variable to true so we know what they selected
|
||
QUERY_LOGGING=true
|
||
;;
|
||
# Otherwise, it's off,
|
||
Off)
|
||
printf " %b Logging Off.\\n" "${INFO}"
|
||
# So set it to false
|
||
QUERY_LOGGING=false
|
||
;;
|
||
esac
|
||
}
|
||
|
||
# Allow the user to set their FTL privacy level
|
||
setPrivacyLevel() {
|
||
local LevelCommand
|
||
local LevelOptions
|
||
|
||
LevelCommand=(whiptail --separate-output --radiolist "Select a privacy mode for FTL. https://docs.pi-hole.net/ftldns/privacylevels/" "${r}" "${c}" 6)
|
||
|
||
# The default selection is level 0
|
||
LevelOptions=(
|
||
"0" "Show everything" on
|
||
"1" "Hide domains" off
|
||
"2" "Hide domains and clients" off
|
||
"3" "Anonymous mode" off
|
||
)
|
||
|
||
# Get the user's choice
|
||
PRIVACY_LEVEL=$("${LevelCommand[@]}" "${LevelOptions[@]}" 2>&1 >/dev/tty) || (echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}" && exit 1)
|
||
|
||
printf " %b Privacy level %d" "${INFO}" "${PRIVACY_LEVEL}"
|
||
}
|
||
|
||
# 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[@]}" "${WebChooseOptions[@]}" 2>&1 >/dev/tty) || (printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}" && exit 1)
|
||
# Depending on their choice
|
||
case ${WebChoices} in
|
||
"On (Recommended)")
|
||
printf " %b Web Interface On\\n" "${INFO}"
|
||
# Set it to true
|
||
INSTALL_WEB_INTERFACE=true
|
||
;;
|
||
Off)
|
||
printf " %b Web Interface Off\\n" "${INFO}"
|
||
# or false
|
||
INSTALL_WEB_INTERFACE=false
|
||
# Deselect the web server as well, since it is obsolete then
|
||
INSTALL_WEB_SERVER=false
|
||
;;
|
||
esac
|
||
|
||
# Request user to install web server, if it has not been deselected before (INSTALL_WEB_SERVER=true is default).
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
# Get list of required PHP modules, excluding base package (common) and handler (cgi)
|
||
local i php_modules
|
||
for i in "${PIHOLE_WEB_DEPS[@]}"; do [[ $i == 'php'* && $i != *'-common' && $i != *'-cgi' ]] && php_modules+=" ${i#*-}"; done
|
||
WebToggleCommand=(whiptail --separate-output --radiolist "Do you wish to install the web server (lighttpd) and required PHP modules?\\n\\nNB: If you disable this, and, do not have an existing web server and required PHP modules (${php_modules# }) installed, the web interface will not function. Additionally the web server user needs to be member of the \"pihole\" group for full functionality." "${r}" "${c}" 6)
|
||
# Enable as default and recommended option
|
||
WebChooseOptions=("On (Recommended)" "" on
|
||
Off "" off)
|
||
WebChoices=$("${WebToggleCommand[@]}" "${WebChooseOptions[@]}" 2>&1 >/dev/tty) || (printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}" && exit 1)
|
||
# Depending on their choice
|
||
case ${WebChoices} in
|
||
"On (Recommended)")
|
||
printf " %b Web Server On\\n" "${INFO}"
|
||
# set it to true, as clearly seen below.
|
||
INSTALL_WEB_SERVER=true
|
||
;;
|
||
Off)
|
||
printf " %b Web Server Off\\n" "${INFO}"
|
||
# or false
|
||
INSTALL_WEB_SERVER=false
|
||
;;
|
||
esac
|
||
fi
|
||
}
|
||
|
||
# A function to display a list of example blocklists for users to select
|
||
chooseBlocklists() {
|
||
# Back up any existing adlist file, on the off chance that it exists. Useful in case of a reconfigure.
|
||
if [[ -f "${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 suggestion below, and/or add your own after installation\\n\\nTo deselect the suggested list, use spacebar" "${r}" "${c}" 5)
|
||
# In an array, show the options available (all off by default):
|
||
options=(StevenBlack "StevenBlack's Unified Hosts List" on)
|
||
|
||
# In a variable, show the choices available; exit if Cancel is selected
|
||
choices=$("${cmd[@]}" "${options[@]}" 2>&1 >/dev/tty) || { printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; rm "${adlistFile}" ;exit 1; }
|
||
# For each choice available,
|
||
for choice in ${choices}
|
||
do
|
||
appendToListsFile "${choice}"
|
||
done
|
||
touch "${adlistFile}"
|
||
chmod 644 "${adlistFile}"
|
||
}
|
||
|
||
# Accept a string parameter, it must be one of the default lists
|
||
# This function allow to not duplicate code in chooseBlocklists and
|
||
# in installDefaultBlocklists
|
||
appendToListsFile() {
|
||
case $1 in
|
||
StevenBlack ) echo "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts" >> "${adlistFile}";;
|
||
esac
|
||
}
|
||
|
||
# Used only in unattended setup
|
||
# If there is already the adListFile, we keep it, else we create it using all default lists
|
||
installDefaultBlocklists() {
|
||
# In unattended setup, could be useful to use userdefined blocklist.
|
||
# If this file exists, we avoid overriding it.
|
||
if [[ -f "${adlistFile}" ]]; then
|
||
return;
|
||
fi
|
||
appendToListsFile StevenBlack
|
||
}
|
||
|
||
# Check if /etc/dnsmasq.conf is from pi-hole. If so replace with an original and install new in .d directory
|
||
version_check_dnsmasq() {
|
||
# Local, named variables
|
||
local dnsmasq_conf="/etc/dnsmasq.conf"
|
||
local dnsmasq_conf_orig="/etc/dnsmasq.conf.orig"
|
||
local dnsmasq_pihole_id_string="addn-hosts=/etc/pihole/gravity.list"
|
||
local dnsmasq_pihole_id_string2="# Dnsmasq config for Pi-hole's FTLDNS"
|
||
local dnsmasq_original_config="${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
|
||
printf " %b Existing dnsmasq.conf found..." "${INFO}"
|
||
# If a specific string is found within this file, we presume it's from older versions on Pi-hole,
|
||
if grep -q "${dnsmasq_pihole_id_string}" "${dnsmasq_conf}" ||
|
||
grep -q "${dnsmasq_pihole_id_string2}" "${dnsmasq_conf}"; then
|
||
printf " it is from a previous Pi-hole install.\\n"
|
||
printf " %b Backing up dnsmasq.conf to dnsmasq.conf.orig..." "${INFO}"
|
||
# so backup the original file
|
||
mv -f "${dnsmasq_conf}" "${dnsmasq_conf_orig}"
|
||
printf "%b %b Backing up dnsmasq.conf to dnsmasq.conf.orig...\\n" "${OVER}" "${TICK}"
|
||
printf " %b Restoring default dnsmasq.conf..." "${INFO}"
|
||
# and replace it with the default
|
||
install -D -m 644 -T "${dnsmasq_original_config}" "${dnsmasq_conf}"
|
||
printf "%b %b Restoring default dnsmasq.conf...\\n" "${OVER}" "${TICK}"
|
||
# Otherwise,
|
||
else
|
||
# Don't to anything
|
||
printf " it is not a Pi-hole file, leaving alone!\\n"
|
||
fi
|
||
else
|
||
# If a file cannot be found,
|
||
printf " %b No dnsmasq.conf found... restoring default dnsmasq.conf..." "${INFO}"
|
||
# restore the default one
|
||
install -D -m 644 -T "${dnsmasq_original_config}" "${dnsmasq_conf}"
|
||
printf "%b %b No dnsmasq.conf found... restoring default dnsmasq.conf...\\n" "${OVER}" "${TICK}"
|
||
fi
|
||
|
||
printf " %b Copying 01-pihole.conf to /etc/dnsmasq.d/01-pihole.conf..." "${INFO}"
|
||
# Check to see if dnsmasq directory exists (it may not due to being a fresh install and dnsmasq no longer being a dependency)
|
||
if [[ ! -d "/etc/dnsmasq.d" ]];then
|
||
install -d -m 755 "/etc/dnsmasq.d"
|
||
fi
|
||
# Copy the new Pi-hole DNS config file into the dnsmasq.d directory
|
||
install -D -m 644 -T "${dnsmasq_pihole_01_snippet}" "${dnsmasq_pihole_01_location}"
|
||
printf "%b %b Copying 01-pihole.conf to /etc/dnsmasq.d/01-pihole.conf\\n" "${OVER}" "${TICK}"
|
||
# Replace our placeholder values with the GLOBAL DNS variables that we populated earlier
|
||
# First, swap in the interface to listen on
|
||
sed -i "s/@INT@/$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' "${dnsmasq_pihole_01_location}"
|
||
fi
|
||
|
||
# Set the cache size
|
||
sed -i "s/@CACHE_SIZE@/$CACHE_SIZE/" ${dnsmasq_pihole_01_location}
|
||
|
||
#
|
||
sed -i 's/^#conf-dir=\/etc\/dnsmasq.d$/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 ${PI_HOLE_LOCAL_REPO}"
|
||
printf " %b %s..." "${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 "${PI_HOLE_BIN_DIR}" pihole
|
||
install -Dm644 ./advanced/bash-completion/pihole /etc/bash_completion.d/pihole
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
|
||
# Otherwise,
|
||
else
|
||
# Show an error and exit
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
printf "\\t\\t%bError: Local repo %s not found, exiting installer%b\\n" "${COL_LIGHT_RED}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"
|
||
return 1
|
||
fi
|
||
}
|
||
|
||
# Install the configs from PI_HOLE_LOCAL_REPO to their various locations
|
||
installConfigs() {
|
||
printf "\\n %b Installing configs from %s...\\n" "${INFO}" "${PI_HOLE_LOCAL_REPO}"
|
||
# Make sure Pi-hole's config files are in place
|
||
version_check_dnsmasq
|
||
|
||
# Install list of DNS servers
|
||
# Format: Name;Primary IPv4;Secondary IPv4;Primary IPv6;Secondary IPv6
|
||
# Some values may be empty (for example: DNS servers without IPv6 support)
|
||
echo "${DNS_SERVERS}" > "${PI_HOLE_CONFIG_DIR}/dns-servers.conf"
|
||
chmod 644 "${PI_HOLE_CONFIG_DIR}/dns-servers.conf"
|
||
|
||
# Install empty file if it does not exist
|
||
if [[ ! -r "${PI_HOLE_CONFIG_DIR}/pihole-FTL.conf" ]]; then
|
||
install -d -m 0755 ${PI_HOLE_CONFIG_DIR}
|
||
if ! install -o pihole -m 664 /dev/null "${PI_HOLE_CONFIG_DIR}/pihole-FTL.conf" &>/dev/null; then
|
||
printf " %bError: Unable to initialize configuration file %s/pihole-FTL.conf\\n" "${COL_LIGHT_RED}" "${PI_HOLE_CONFIG_DIR}"
|
||
return 1
|
||
fi
|
||
fi
|
||
|
||
# Install empty custom.list file if it does not exist
|
||
if [[ ! -r "${PI_HOLE_CONFIG_DIR}/custom.list" ]]; then
|
||
if ! install -o root -m 644 /dev/null "${PI_HOLE_CONFIG_DIR}/custom.list" &>/dev/null; then
|
||
printf " %bError: Unable to initialize configuration file %s/custom.list\\n" "${COL_LIGHT_RED}" "${PI_HOLE_CONFIG_DIR}"
|
||
return 1
|
||
fi
|
||
fi
|
||
|
||
# If the user chose to install the dashboard,
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
# and if the Web server conf directory does not exist,
|
||
if [[ ! -d "/etc/lighttpd" ]]; then
|
||
# make it and set the owners
|
||
install -d -m 755 -o "${USER}" -g 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
|
||
install -D -m 644 -T ${PI_HOLE_LOCAL_REPO}/advanced/${LIGHTTPD_CFG} /etc/lighttpd/lighttpd.conf
|
||
# Make sure the external.conf file exists, as lighttpd v1.4.50 crashes without it
|
||
touch /etc/lighttpd/external.conf
|
||
chmod 644 /etc/lighttpd/external.conf
|
||
# if there is a custom block page in the html/pihole directory, replace 404 handler in lighttpd config
|
||
if [[ -f "${PI_HOLE_BLOCKPAGE_DIR}/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 /run/lighttpd
|
||
chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} /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.
|
||
printf " %b Testing man page installation" "${INFO}"
|
||
if ! is_command mandb ; then
|
||
# if mandb is not present, no manpage support
|
||
printf "%b %b man not installed\\n" "${OVER}" "${INFO}"
|
||
return
|
||
elif [[ ! -d "/usr/local/share/man" ]]; then
|
||
# appropriate directory for Pi-hole's man page is not present
|
||
printf "%b %b man pages not installed\\n" "${OVER}" "${INFO}"
|
||
return
|
||
fi
|
||
if [[ ! -d "/usr/local/share/man/man8" ]]; then
|
||
# if not present, create man8 directory
|
||
install -d -m 755 /usr/local/share/man/man8
|
||
fi
|
||
if [[ ! -d "/usr/local/share/man/man5" ]]; then
|
||
# if not present, create man5 directory
|
||
install -d -m 755 /usr/local/share/man/man5
|
||
fi
|
||
# Testing complete, copy the files & update the man db
|
||
install -D -m 644 -T ${PI_HOLE_LOCAL_REPO}/manpages/pihole.8 /usr/local/share/man/man8/pihole.8
|
||
install -D -m 644 -T ${PI_HOLE_LOCAL_REPO}/manpages/pihole-FTL.8 /usr/local/share/man/man8/pihole-FTL.8
|
||
install -D -m 644 -T ${PI_HOLE_LOCAL_REPO}/manpages/pihole-FTL.conf.5 /usr/local/share/man/man5/pihole-FTL.conf.5
|
||
if mandb -q &>/dev/null; then
|
||
# Updated successfully
|
||
printf "%b %b man pages installed and database updated\\n" "${OVER}" "${TICK}"
|
||
return
|
||
else
|
||
# Something is wrong with the system's man installation, clean up
|
||
# our files, (leave everything how we found it).
|
||
rm /usr/local/share/man/man8/pihole.8 /usr/local/share/man/man8/pihole-FTL.8 /usr/local/share/man/man5/pihole-FTL.conf.5
|
||
printf "%b %b man page db not updated, man pages not installed\\n" "${OVER}" "${CROSS}"
|
||
fi
|
||
}
|
||
|
||
stop_service() {
|
||
# Stop service passed in as argument.
|
||
# Can softfail, as process may not be installed when this is called
|
||
local str="Stopping ${1} service"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
if is_command systemctl ; then
|
||
systemctl stop "${1}" &> /dev/null || true
|
||
else
|
||
service "${1}" stop &> /dev/null || true
|
||
fi
|
||
printf "%b %b %s...\\n" "${OVER}" "${TICK}" "${str}"
|
||
}
|
||
|
||
# Start/Restart service passed in as argument
|
||
restart_service() {
|
||
# Local, named variables
|
||
local str="Restarting ${1} service"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# If systemctl exists,
|
||
if is_command systemctl ; then
|
||
# use that to restart the service
|
||
systemctl restart "${1}" &> /dev/null
|
||
# Otherwise,
|
||
else
|
||
# fall back to the service command
|
||
service "${1}" restart &> /dev/null
|
||
fi
|
||
printf "%b %b %s...\\n" "${OVER}" "${TICK}" "${str}"
|
||
}
|
||
|
||
# Enable service so that it will start with next reboot
|
||
enable_service() {
|
||
# Local, named variables
|
||
local str="Enabling ${1} service to start on reboot"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# If systemctl exists,
|
||
if is_command systemctl ; then
|
||
# use that to enable the service
|
||
systemctl enable "${1}" &> /dev/null
|
||
# Otherwise,
|
||
else
|
||
# use update-rc.d to accomplish this
|
||
update-rc.d "${1}" defaults &> /dev/null
|
||
fi
|
||
printf "%b %b %s...\\n" "${OVER}" "${TICK}" "${str}"
|
||
}
|
||
|
||
# Disable service so that it will not with next reboot
|
||
disable_service() {
|
||
# Local, named variables
|
||
local str="Disabling ${1} service"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# If systemctl exists,
|
||
if is_command systemctl ; then
|
||
# use that to disable the service
|
||
systemctl disable "${1}" &> /dev/null
|
||
# Otherwise,
|
||
else
|
||
# use update-rc.d to accomplish this
|
||
update-rc.d "${1}" disable &> /dev/null
|
||
fi
|
||
printf "%b %b %s...\\n" "${OVER}" "${TICK}" "${str}"
|
||
}
|
||
|
||
check_service_active() {
|
||
# If systemctl exists,
|
||
if is_command systemctl ; 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() {
|
||
printf " %b Testing if systemd-resolved is enabled\\n" "${INFO}"
|
||
# Check if Systemd-resolved's DNSStubListener is enabled and active on port 53
|
||
if check_service_active "systemd-resolved"; then
|
||
# Check if DNSStubListener is enabled
|
||
printf " %b %b Testing if systemd-resolved DNSStub-Listener is active" "${OVER}" "${INFO}"
|
||
if ( grep -E '#?DNSStubListener=yes' /etc/systemd/resolved.conf &> /dev/null ); then
|
||
# Disable the DNSStubListener to unbind it from port 53
|
||
# Note that this breaks dns functionality on host until dnsmasq/ftl are up and running
|
||
printf "%b %b Disabling systemd-resolved DNSStubListener" "${OVER}" "${TICK}"
|
||
# Make a backup of the original /etc/systemd/resolved.conf
|
||
# (This will need to be restored on uninstallation)
|
||
sed -r -i.orig 's/#?DNSStubListener=yes/DNSStubListener=no/g' /etc/systemd/resolved.conf
|
||
printf " and restarting systemd-resolved\\n"
|
||
systemctl reload-or-restart systemd-resolved
|
||
else
|
||
printf "%b %b Systemd-resolved does not need to be restarted\\n" "${OVER}" "${INFO}"
|
||
fi
|
||
else
|
||
printf "%b %b Systemd-resolved is not enabled\\n" "${OVER}" "${INFO}"
|
||
fi
|
||
}
|
||
|
||
update_package_cache() {
|
||
# Running apt-get update/upgrade with minimal output can cause some issues with
|
||
# requiring user input (e.g password for phpmyadmin see #218)
|
||
|
||
# Update package cache on apt based OSes. Do this every time since
|
||
# it's quick and packages can be updated at any time.
|
||
|
||
# Local, named variables
|
||
local str="Update local cache of available packages"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# Create a command from the package cache variable
|
||
if eval "${UPDATE_PKG_CACHE}" &> /dev/null; then
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
# Otherwise,
|
||
else
|
||
# show an error and exit
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
printf " %bError: Unable to update package cache. Please try \"%s\"%b" "${COL_LIGHT_RED}" "${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 ${PKG_MANAGER} for upgraded packages"
|
||
printf "\\n %b %s..." "${INFO}" "${str}"
|
||
# Store the list of packages in a variable
|
||
updatesToInstall=$(eval "${PKG_COUNT}")
|
||
|
||
if [[ -d "/lib/modules/$(uname -r)" ]]; then
|
||
if [[ "${updatesToInstall}" -eq 0 ]]; then
|
||
printf "%b %b %s... up to date!\\n\\n" "${OVER}" "${TICK}" "${str}"
|
||
else
|
||
printf "%b %b %s... %s updates available\\n" "${OVER}" "${TICK}" "${str}" "${updatesToInstall}"
|
||
printf " %b %bIt is recommended to update your OS after installing the Pi-hole!%b\\n\\n" "${INFO}" "${COL_LIGHT_GREEN}" "${COL_NC}"
|
||
fi
|
||
else
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
printf " 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
|
||
#
|
||
printf " %b Installer Dependency checks...\\n" "${INFO}"
|
||
else
|
||
#
|
||
printf " %b Main Dependency checks...\\n" "${INFO}"
|
||
fi
|
||
|
||
# Install packages passed in via argument array
|
||
# No spinner - conflicts with set -e
|
||
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 is_command apt-get ; then
|
||
# For each package,
|
||
for i in "$@"; do
|
||
printf " %b Checking for %s..." "${INFO}" "${i}"
|
||
if dpkg-query -W -f='${Status}' "${i}" 2>/dev/null | grep "ok installed" &> /dev/null; then
|
||
printf "%b %b Checking for %s\\n" "${OVER}" "${TICK}" "${i}"
|
||
else
|
||
printf "%b %b Checking for %s (will be installed)\\n" "${OVER}" "${INFO}" "${i}"
|
||
installArray+=("${i}")
|
||
fi
|
||
done
|
||
if [[ "${#installArray[@]}" -gt 0 ]]; then
|
||
test_dpkg_lock
|
||
printf " %b Processing %s install(s) for: %s, please wait...\\n" "${INFO}" "${PKG_MANAGER}" "${installArray[*]}"
|
||
printf '%*s\n' "$columns" '' | tr " " -;
|
||
"${PKG_INSTALL[@]}" "${installArray[@]}"
|
||
printf '%*s\n' "$columns" '' | tr " " -;
|
||
return
|
||
fi
|
||
printf "\\n"
|
||
return 0
|
||
fi
|
||
|
||
# Install Fedora/CentOS packages
|
||
for i in "$@"; do
|
||
printf " %b Checking for %s..." "${INFO}" "${i}"
|
||
if "${PKG_MANAGER}" -q list installed "${i}" &> /dev/null; then
|
||
printf "%b %b Checking for %s\\n" "${OVER}" "${TICK}" "${i}"
|
||
else
|
||
printf "%b %b Checking for %s (will be installed)\\n" "${OVER}" "${INFO}" "${i}"
|
||
installArray+=("${i}")
|
||
fi
|
||
done
|
||
if [[ "${#installArray[@]}" -gt 0 ]]; then
|
||
printf " %b Processing %s install(s) for: %s, please wait...\\n" "${INFO}" "${PKG_MANAGER}" "${installArray[*]}"
|
||
printf '%*s\n' "$columns" '' | tr " " -;
|
||
"${PKG_INSTALL[@]}" "${installArray[@]}"
|
||
printf '%*s\n' "$columns" '' | tr " " -;
|
||
return
|
||
fi
|
||
printf "\\n"
|
||
return 0
|
||
}
|
||
|
||
# Install the Web interface dashboard
|
||
installPiholeWeb() {
|
||
printf "\\n %b Installing blocking page...\\n" "${INFO}"
|
||
|
||
local str="Creating directory for blocking page, and copying files"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# Install the directory
|
||
install -d -m 0755 ${PI_HOLE_BLOCKPAGE_DIR}
|
||
# and the blockpage
|
||
install -D -m 644 ${PI_HOLE_LOCAL_REPO}/advanced/{index,blockingpage}.* ${PI_HOLE_BLOCKPAGE_DIR}/
|
||
|
||
# Remove superseded file
|
||
if [[ -e "${PI_HOLE_BLOCKPAGE_DIR}/index.js" ]]; then
|
||
rm "${PI_HOLE_BLOCKPAGE_DIR}/index.js"
|
||
fi
|
||
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
|
||
local str="Backing up index.lighttpd.html"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# If the default index file exists,
|
||
if [[ -f "${webroot}/index.lighttpd.html" ]]; then
|
||
# back it up
|
||
mv ${webroot}/index.lighttpd.html ${webroot}/index.lighttpd.orig
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
# Otherwise,
|
||
else
|
||
# don't do anything
|
||
printf "%b %b %s\\n" "${OVER}" "${INFO}" "${str}"
|
||
printf " No default index.lighttpd.html file found... not backing up\\n"
|
||
fi
|
||
|
||
# Install Sudoers file
|
||
local str="Installing sudoer file"
|
||
printf "\\n %b %s..." "${INFO}" "${str}"
|
||
# Make the .d directory if it doesn't exist
|
||
install -d -m 755 /etc/sudoers.d/
|
||
# and copy in the pihole sudoers file
|
||
install -m 0640 ${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole.sudo /etc/sudoers.d/pihole
|
||
# Add lighttpd user (OS dependent) to sudoers file
|
||
echo "${LIGHTTPD_USER} ALL=NOPASSWD: ${PI_HOLE_BIN_DIR}/pihole" >> /etc/sudoers.d/pihole
|
||
|
||
# If the Web server user is lighttpd,
|
||
if [[ "$LIGHTTPD_USER" == "lighttpd" ]]; then
|
||
# Allow executing pihole via sudo with Fedora
|
||
# Usually /usr/local/bin ${PI_HOLE_BIN_DIR} is not permitted as directory for sudoable programs
|
||
echo "Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin:${PI_HOLE_BIN_DIR}" >> /etc/sudoers.d/pihole
|
||
fi
|
||
# Set the strict permissions on the file
|
||
chmod 0440 /etc/sudoers.d/pihole
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
}
|
||
|
||
# Installs a cron file
|
||
installCron() {
|
||
# Install the cron job
|
||
local str="Installing latest Cron script"
|
||
printf "\\n %b %s..." "${INFO}" "${str}"
|
||
# Copy the cron file over from the local repo
|
||
# File must not be world or group writeable and must be owned by root
|
||
install -D -m 644 -T -o root -g root ${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole.cron /etc/cron.d/pihole
|
||
# Randomize gravity update time
|
||
sed -i "s/59 1 /$((1 + RANDOM % 58)) $((3 + RANDOM % 2))/" /etc/cron.d/pihole
|
||
# Randomize update checker time
|
||
sed -i "s/59 17/$((1 + RANDOM % 58)) $((12 + RANDOM % 8))/" /etc/cron.d/pihole
|
||
printf "%b %b %s\\n" "${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'"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# If the user pihole exists,
|
||
if id -u pihole &> /dev/null; then
|
||
# if group exists
|
||
if getent group pihole > /dev/null 2>&1; then
|
||
# just show a success
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
else
|
||
local str="Checking for group 'pihole'"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
local str="Creating group 'pihole'"
|
||
# if group can be created
|
||
if groupadd pihole; then
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
local str="Adding user 'pihole' to group 'pihole'"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
# if pihole user can be added to group pihole
|
||
if usermod -g pihole pihole; then
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
else
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
fi
|
||
else
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
fi
|
||
fi
|
||
# Otherwise,
|
||
else
|
||
printf "%b %b %s" "${OVER}" "${CROSS}" "${str}"
|
||
local str="Creating user 'pihole'"
|
||
printf "%b %b %s..." "${OVER}" "${INFO}" "${str}"
|
||
# create her with the useradd command
|
||
if getent group pihole > /dev/null 2>&1; then
|
||
# add primary group pihole as it already exists
|
||
if useradd -r --no-user-group -g pihole -s /usr/sbin/nologin pihole; then
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
else
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
fi
|
||
else
|
||
# add user pihole with default group settings
|
||
if useradd -r -s /usr/sbin/nologin pihole; then
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
else
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
fi
|
||
fi
|
||
fi
|
||
}
|
||
|
||
#
|
||
finalExports() {
|
||
# If the Web interface is not set to be installed,
|
||
if [[ "${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 "${setupVars}" ]]; then
|
||
# update the variables in the file
|
||
sed -i.update.bak '/PIHOLE_INTERFACE/d;/IPV4_ADDRESS/d;/IPV6_ADDRESS/d;/PIHOLE_DNS_1\b/d;/PIHOLE_DNS_2\b/d;/QUERY_LOGGING/d;/INSTALL_WEB_SERVER/d;/INSTALL_WEB_INTERFACE/d;/LIGHTTPD_ENABLED/d;/CACHE_SIZE/d;' "${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=${LIGHTTPD_ENABLED}"
|
||
echo "CACHE_SIZE=${CACHE_SIZE}"
|
||
}>> "${setupVars}"
|
||
chmod 644 "${setupVars}"
|
||
|
||
# Set the privacy level
|
||
sed -i '/PRIVACYLEVEL/d' "${PI_HOLE_CONFIG_DIR}/pihole-FTL.conf"
|
||
echo "PRIVACYLEVEL=${PRIVACY_LEVEL}" >> "${PI_HOLE_CONFIG_DIR}/pihole-FTL.conf"
|
||
|
||
# Bring in the current settings and the functions to manipulate them
|
||
source "${setupVars}"
|
||
source "${PI_HOLE_LOCAL_REPO}/advanced/Scripts/webpage.sh"
|
||
|
||
# Look for DNS server settings which would have to be reapplied
|
||
ProcessDNSSettings
|
||
|
||
# Look for DHCP server settings which would have to be reapplied
|
||
ProcessDHCPSettings
|
||
}
|
||
|
||
# Install the logrotate script
|
||
installLogrotate() {
|
||
|
||
local str="Installing latest logrotate script"
|
||
printf "\\n %b %s..." "${INFO}" "${str}"
|
||
# Copy the file over from the local repo
|
||
install -D -m 644 -T ${PI_HOLE_LOCAL_REPO}/advanced/Templates/logrotate /etc/pihole/logrotate
|
||
# Different operating systems have different user / group
|
||
# settings for logrotate that makes it impossible to create
|
||
# a static logrotate file that will work with e.g.
|
||
# Rasbian and Ubuntu at the same time. Hence, we have to
|
||
# customize the logrotate script here in order to reflect
|
||
# the local properties of the /var/log directory
|
||
logusergroup="$(stat -c '%U %G' /var/log)"
|
||
# If the variable has a value,
|
||
if [[ ! -z "${logusergroup}" ]]; then
|
||
#
|
||
sed -i "s/# su #/su ${logusergroup}/g;" /etc/pihole/logrotate
|
||
fi
|
||
printf "%b %b %s\\n" "${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" >> "${setupVars}"
|
||
fi
|
||
}
|
||
|
||
# Install base files and web interface
|
||
installPihole() {
|
||
# If the user wants to install the Web interface,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
if [[ ! -d "${webroot}" ]]; then
|
||
# make the Web directory if necessary
|
||
install -d -m 0755 ${webroot}
|
||
fi
|
||
|
||
if [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
# Set the owner and permissions
|
||
chown ${LIGHTTPD_USER}:${LIGHTTPD_GROUP} ${webroot}
|
||
chmod 0775 ${webroot}
|
||
# Repair permissions if webroot is not world readable
|
||
chmod a+rx /var/www
|
||
chmod a+rx ${webroot}
|
||
# Give lighttpd access to the pihole group so the web interface can
|
||
# manage the gravity.db database
|
||
usermod -a -G pihole ${LIGHTTPD_USER}
|
||
# If the lighttpd command is executable,
|
||
if is_command lighty-enable-mod ; then
|
||
# enable fastcgi and fastcgi-php
|
||
lighty-enable-mod fastcgi fastcgi-php > /dev/null || true
|
||
else
|
||
# Otherwise, show info about installing them
|
||
printf " %b Warning: 'lighty-enable-mod' utility not found\\n" "${INFO}"
|
||
printf " Please ensure fastcgi is enabled if you experience issues\\n"
|
||
fi
|
||
fi
|
||
fi
|
||
# For updates and unattended install.
|
||
if [[ "${useUpdateVars}" == true ]]; then
|
||
accountForRefactor
|
||
fi
|
||
# Install base files and web interface
|
||
if ! installScripts; then
|
||
printf " %b Failure in dependent script copy function.\\n" "${CROSS}"
|
||
exit 1
|
||
fi
|
||
# Install config files
|
||
if ! installConfigs; then
|
||
printf " %b Failure in dependent config copy function.\\n" "${CROSS}"
|
||
exit 1
|
||
fi
|
||
# If the user wants to install the dashboard,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# do so
|
||
installPiholeWeb
|
||
fi
|
||
# Install the cron file
|
||
installCron
|
||
# Install the logrotate file
|
||
installLogrotate
|
||
# Check if dnsmasq is present. If so, disable it and back up any possible
|
||
# config file
|
||
disable_dnsmasq
|
||
|
||
# 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() {
|
||
local DEFAULT_SELINUX
|
||
local CURRENT_SELINUX
|
||
local SELINUX_ENFORCING=0
|
||
# Check for SELinux configuration file and getenforce command
|
||
if [[ -f /etc/selinux/config ]] && command -v getenforce &> /dev/null; then
|
||
# Check the default SELinux mode
|
||
DEFAULT_SELINUX=$(awk -F= '/^SELINUX=/ {print $2}' /etc/selinux/config)
|
||
case "${DEFAULT_SELINUX,,}" in
|
||
enforcing)
|
||
printf " %b %bDefault SELinux: %s%b\\n" "${CROSS}" "${COL_RED}" "${DEFAULT_SELINUX}" "${COL_NC}"
|
||
SELINUX_ENFORCING=1
|
||
;;
|
||
*) # 'permissive' and 'disabled'
|
||
printf " %b %bDefault SELinux: %s%b\\n" "${TICK}" "${COL_GREEN}" "${DEFAULT_SELINUX}" "${COL_NC}"
|
||
;;
|
||
esac
|
||
# Check the current state of SELinux
|
||
CURRENT_SELINUX=$(getenforce)
|
||
case "${CURRENT_SELINUX,,}" in
|
||
enforcing)
|
||
printf " %b %bCurrent SELinux: %s%b\\n" "${CROSS}" "${COL_RED}" "${CURRENT_SELINUX}" "${COL_NC}"
|
||
SELINUX_ENFORCING=1
|
||
;;
|
||
*) # 'permissive' and 'disabled'
|
||
printf " %b %bCurrent SELinux: %s%b\\n" "${TICK}" "${COL_GREEN}" "${CURRENT_SELINUX}" "${COL_NC}"
|
||
;;
|
||
esac
|
||
else
|
||
echo -e " ${INFO} ${COL_GREEN}SELinux not detected${COL_NC}";
|
||
fi
|
||
# Exit the installer if any SELinux checks toggled the flag
|
||
if [[ "${SELINUX_ENFORCING}" -eq 1 ]] && [[ -z "${PIHOLE_SELINUX}" ]]; then
|
||
printf " Pi-hole does not provide an SELinux policy as the required changes modify the security of your system.\\n"
|
||
printf " Please refer to https://wiki.centos.org/HowTos/SELinux if SELinux is required for your deployment.\\n"
|
||
printf " This check can be skipped by setting the environment variable %bPIHOLE_SELINUX%b to %btrue%b\\n" "${COL_LIGHT_RED}" "${COL_NC}" "${COL_LIGHT_RED}" "${COL_NC}"
|
||
printf " e.g: export PIHOLE_SELINUX=true\\n"
|
||
printf " By setting this variable to true you acknowledge there may be issues with Pi-hole during or after the install\\n"
|
||
printf "\\n %bSELinux Enforcing detected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}";
|
||
exit 1;
|
||
elif [[ "${SELINUX_ENFORCING}" -eq 1 ]] && [[ -n "${PIHOLE_SELINUX}" ]]; then
|
||
printf " %b %bSELinux Enforcing detected%b. PIHOLE_SELINUX env variable set - installer will continue\\n" "${INFO}" "${COL_LIGHT_RED}" "${COL_NC}"
|
||
fi
|
||
}
|
||
|
||
# Installation complete message with instructions for the user
|
||
displayFinalMessage() {
|
||
# If
|
||
if [[ "${#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) || \
|
||
{ printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; exit 1; }
|
||
|
||
# Set the variable based on if the user chooses
|
||
case ${UpdateCmd} in
|
||
# repair, or
|
||
${opt1a})
|
||
printf " %b %s option selected\\n" "${INFO}" "${opt1a}"
|
||
useUpdateVars=true
|
||
;;
|
||
# reconfigure,
|
||
${opt2a})
|
||
printf " %b %s option selected\\n" "${INFO}" "${opt2a}"
|
||
useUpdateVars=false
|
||
;;
|
||
esac
|
||
}
|
||
|
||
check_download_exists() {
|
||
status=$(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 --heads --quiet | cut -d'/' -f3- -; } 2>&1 )
|
||
# echo status for calling function to capture
|
||
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 '${oldbranch}'"
|
||
printf " %b %s" "${INFO}" "$str"
|
||
git checkout "${branch}" --quiet || return 1
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "$str"
|
||
# Data in the repositories is public anyway so we can make it readable by everyone (+r to keep executable permission if already set by git)
|
||
chmod -R a+rX "${directory}"
|
||
|
||
git_pull=$(git pull || return 1)
|
||
|
||
if [[ "$git_pull" == *"up-to-date"* ]]; then
|
||
printf " %b %s\\n" "${INFO}" "${git_pull}"
|
||
else
|
||
printf "%s\\n" "$git_pull"
|
||
fi
|
||
|
||
return 0
|
||
}
|
||
|
||
clone_or_update_repos() {
|
||
# If the user wants to reconfigure,
|
||
if [[ "${reconfigure}" == true ]]; then
|
||
printf " %b Performing reconfiguration, skipping download of local repos\\n" "${INFO}"
|
||
# Reset the Core repo
|
||
resetRepo ${PI_HOLE_LOCAL_REPO} || \
|
||
{ printf " %bUnable to reset %s, exiting installer%b\\n" "${COL_LIGHT_RED}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"; \
|
||
exit 1; \
|
||
}
|
||
# If the Web interface was installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# reset it's repo
|
||
resetRepo ${webInterfaceDir} || \
|
||
{ printf " %bUnable to reset %s, exiting installer%b\\n" "${COL_LIGHT_RED}" "${webInterfaceDir}" "${COL_NC}"; \
|
||
exit 1; \
|
||
}
|
||
fi
|
||
# Otherwise, a repair is happening
|
||
else
|
||
# so get git files for Core
|
||
getGitFiles ${PI_HOLE_LOCAL_REPO} ${piholeGitUrl} || \
|
||
{ printf " %bUnable to clone %s into %s, unable to continue%b\\n" "${COL_LIGHT_RED}" "${piholeGitUrl}" "${PI_HOLE_LOCAL_REPO}" "${COL_NC}"; \
|
||
exit 1; \
|
||
}
|
||
# If the Web interface was installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# get the Web git files
|
||
getGitFiles ${webInterfaceDir} ${webInterfaceGitUrl} || \
|
||
{ printf " %bUnable to clone %s into ${webInterfaceDir}, exiting installer%b\\n" "${COL_LIGHT_RED}" "${webInterfaceGitUrl}" "${COL_NC}"; \
|
||
exit 1; \
|
||
}
|
||
fi
|
||
fi
|
||
}
|
||
|
||
# Download FTL binary to random temp directory and install FTL binary
|
||
# Disable directive for SC2120 a value _can_ be passed to this function, but it is passed from an external script that sources this one
|
||
# shellcheck disable=SC2120
|
||
FTLinstall() {
|
||
|
||
# Local, named variables
|
||
local latesttag
|
||
local str="Downloading and Installing FTL"
|
||
printf " %b %s..." "${INFO}" "${str}"
|
||
|
||
# Move into the temp ftl directory
|
||
pushd "$(mktemp -d)" > /dev/null || { printf "Unable to make temporary directory for FTL binary download\\n"; return 1; }
|
||
|
||
# Always replace pihole-FTL.service
|
||
install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL.service" "/etc/init.d/pihole-FTL"
|
||
|
||
local ftlBranch
|
||
local url
|
||
|
||
if [[ -f "/etc/pihole/ftlbranch" ]];then
|
||
ftlBranch=$(</etc/pihole/ftlbranch)
|
||
else
|
||
ftlBranch="master"
|
||
fi
|
||
|
||
local binary
|
||
binary="${1}"
|
||
|
||
# Determine which version of FTL to download
|
||
if [[ "${ftlBranch}" == "master" ]];then
|
||
url="https://github.com/pi-hole/ftl/releases/latest/download"
|
||
else
|
||
url="https://ftl.pi-hole.net/${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 "${binary}".sha1; then
|
||
printf "transferred... "
|
||
|
||
# Before stopping FTL, we download the macvendor database
|
||
curl -sSL "https://ftl.pi-hole.net/macvendor.db" -o "${PI_HOLE_CONFIG_DIR}/macvendor.db" || true
|
||
chmod 644 "${PI_HOLE_CONFIG_DIR}/macvendor.db"
|
||
chown pihole:pihole "${PI_HOLE_CONFIG_DIR}/macvendor.db"
|
||
|
||
# Stop pihole-FTL service if available
|
||
stop_service pihole-FTL &> /dev/null
|
||
|
||
# Install the new version with the correct permissions
|
||
install -T -m 0755 "${binary}" /usr/bin/pihole-FTL
|
||
|
||
# Move back into the original directory the user was in
|
||
popd > /dev/null || { printf "Unable to return to original directory after FTL binary download.\\n"; return 1; }
|
||
|
||
# Installed the FTL service
|
||
printf "%b %b %s\\n" "${OVER}" "${TICK}" "${str}"
|
||
return 0
|
||
# Otherwise,
|
||
else
|
||
# the download failed, so just go back to the original directory
|
||
popd > /dev/null || { printf "Unable to return to original directory after FTL binary download.\\n"; return 1; }
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
printf " %bError: Download of %s/%s failed (checksum error)%b\\n" "${COL_LIGHT_RED}" "${url}" "${binary}" "${COL_NC}"
|
||
return 1
|
||
fi
|
||
# Otherwise,
|
||
else
|
||
popd > /dev/null || { printf "Unable to return to original directory after FTL binary download.\\n"; return 1; }
|
||
printf "%b %b %s\\n" "${OVER}" "${CROSS}" "${str}"
|
||
# The URL could not be found
|
||
printf " %bError: URL %s/%s not found%b\\n" "${COL_LIGHT_RED}" "${url}" "${binary}" "${COL_NC}"
|
||
return 1
|
||
fi
|
||
}
|
||
|
||
disable_dnsmasq() {
|
||
# dnsmasq can now be stopped and disabled if it exists
|
||
if which dnsmasq &> /dev/null; then
|
||
if check_service_active "dnsmasq";then
|
||
printf " %b FTL can now resolve DNS Queries without dnsmasq running separately\\n" "${INFO}"
|
||
stop_service dnsmasq
|
||
disable_service dnsmasq
|
||
fi
|
||
fi
|
||
|
||
# Backup existing /etc/dnsmasq.conf if present and ensure that
|
||
# /etc/dnsmasq.conf contains only "conf-dir=/etc/dnsmasq.d"
|
||
local conffile="/etc/dnsmasq.conf"
|
||
if [[ -f "${conffile}" ]]; then
|
||
printf " %b Backing up %s to %s.old\\n" "${INFO}" "${conffile}" "${conffile}"
|
||
mv "${conffile}" "${conffile}.old"
|
||
fi
|
||
# Create /etc/dnsmasq.conf
|
||
echo "conf-dir=/etc/dnsmasq.d" > "${conffile}"
|
||
chmod 644 "${conffile}"
|
||
}
|
||
|
||
get_binary_name() {
|
||
# This gives the machine architecture which may be different from the OS architecture...
|
||
local machine
|
||
machine=$(uname -m)
|
||
|
||
local l_binary
|
||
|
||
local str="Detecting processor"
|
||
printf " %b %s..." "${INFO}" "${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
|
||
printf "%b %b Detected AArch64 (64 Bit ARM) processor\\n" "${OVER}" "${TICK}"
|
||
# set the binary to be used
|
||
l_binary="pihole-FTL-aarch64-linux-gnu"
|
||
#
|
||
elif [[ "${lib}" == "/lib/ld-linux-armhf.so.3" ]]; then
|
||
# Hard-float available: Use gnueabihf binaries
|
||
# If ARMv8 or higher is found (e.g., BCM2837 as found in Raspberry Pi Model 3B)
|
||
if [[ "${rev}" -gt 7 ]]; then
|
||
printf "%b %b Detected ARMv8 (or newer) processor\\n" "${OVER}" "${TICK}"
|
||
# set the binary to be used
|
||
l_binary="pihole-FTL-armv8-linux-gnueabihf"
|
||
# Otherwise, if ARMv7 is found (e.g., BCM2836 as found in Raspberry Pi Model 2)
|
||
elif [[ "${rev}" -eq 7 ]]; then
|
||
printf "%b %b Detected ARMv7 processor (with hard-float support)\\n" "${OVER}" "${TICK}"
|
||
# set the binary to be used
|
||
l_binary="pihole-FTL-armv7-linux-gnueabihf"
|
||
# Otherwise, use the ARMv6 binary (e.g., BCM2835 as found in Raspberry Pi Zero and Model 1)
|
||
else
|
||
printf "%b %b Detected ARMv6 processor (with hard-float support)\\n" "${OVER}" "${TICK}"
|
||
# set the binary to be used
|
||
l_binary="pihole-FTL-armv6-linux-gnueabihf"
|
||
fi
|
||
else
|
||
# No hard-float support found: Use gnueabi binaries
|
||
# Use the ARMv4-compliant binary only if we detected an ARMv4T core
|
||
if [[ "${rev}" -eq 4 ]]; then
|
||
printf "%b %b Detected ARMv4 processor\\n" "${OVER}" "${TICK}"
|
||
# set the binary to be used
|
||
l_binary="pihole-FTL-armv4-linux-gnueabi"
|
||
# Otherwise, use the ARMv5 binary. To date (end of 2020), all modern ARM processors
|
||
# are backwards-compatible to the ARMv5
|
||
else
|
||
printf "%b %b Detected ARMv5 (or newer) processor\\n" "${OVER}" "${TICK}"
|
||
# set the binary to be used
|
||
l_binary="pihole-FTL-armv5-linux-gnueabi"
|
||
fi
|
||
fi
|
||
elif [[ "${machine}" == "x86_64" ]]; then
|
||
# This gives the processor of packages dpkg installs (for example, "i386")
|
||
local dpkgarch
|
||
dpkgarch=$(dpkg --print-processor 2> /dev/null || dpkg --print-architecture 2> /dev/null)
|
||
|
||
# Special case: This is a 32 bit OS, installed on a 64 bit machine
|
||
# -> change machine processor to download the 32 bit executable
|
||
# We only check this for Debian-based systems as this has been an issue
|
||
# in the past (see https://github.com/pi-hole/pi-hole/pull/2004)
|
||
if [[ "${dpkgarch}" == "i386" ]]; then
|
||
printf "%b %b Detected 32bit (i686) processor\\n" "${OVER}" "${TICK}"
|
||
l_binary="pihole-FTL-linux-x86_32"
|
||
else
|
||
# 64bit
|
||
printf "%b %b Detected x86_64 processor\\n" "${OVER}" "${TICK}"
|
||
# set the binary to be used
|
||
l_binary="pihole-FTL-linux-x86_64"
|
||
fi
|
||
else
|
||
# Something else - we try to use 32bit executable and warn the user
|
||
if [[ ! "${machine}" == "i686" ]]; then
|
||
printf "%b %b %s...\\n" "${OVER}" "${CROSS}" "${str}"
|
||
printf " %b %bNot able to detect processor (unknown: %s), trying x86 (32bit) executable%b\\n" "${INFO}" "${COL_LIGHT_RED}" "${machine}" "${COL_NC}"
|
||
printf " %b Contact Pi-hole Support if you experience issues (e.g: FTL not running)\\n" "${INFO}"
|
||
else
|
||
printf "%b %b Detected 32bit (i686) processor\\n" "${OVER}" "${TICK}"
|
||
fi
|
||
l_binary="pihole-FTL-linux-x86_32"
|
||
fi
|
||
|
||
echo ${l_binary}
|
||
}
|
||
|
||
FTLcheckUpdate() {
|
||
#In the next section we check to see if FTL is already installed (in case of pihole -r).
|
||
#If the installed version matches the latest version, then check the installed sha1sum of the binary vs the remote sha1sum. If they do not match, then download
|
||
printf " %b Checking for existing FTL binary...\\n" "${INFO}"
|
||
|
||
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 binary
|
||
binary="${1}"
|
||
|
||
local remoteSha1
|
||
local localSha1
|
||
|
||
# if dnsmasq exists and is running at this point, force reinstall of FTL Binary
|
||
if which dnsmasq &> /dev/null; then
|
||
if check_service_active "dnsmasq";then
|
||
return 0
|
||
fi
|
||
fi
|
||
|
||
if [[ ! "${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 "$path"; then
|
||
printf " %b Branch \"%s\" is not available.\\n" "${INFO}" "${ftlBranch}"
|
||
printf " %b Use %bpihole checkout ftl [branchname]%b to switch to a valid branch.\\n" "${INFO}" "${COL_LIGHT_GREEN}" "${COL_NC}"
|
||
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
|
||
printf " %b Checksums do not match, downloading from ftl.pi-hole.net.\\n" "${INFO}"
|
||
return 0
|
||
else
|
||
printf " %b Checksum of installed binary matches remote. No need to download!\\n" "${INFO}"
|
||
return 1
|
||
fi
|
||
else
|
||
return 0
|
||
fi
|
||
else
|
||
if [[ ${ftlLoc} ]]; then
|
||
local FTLversion
|
||
FTLversion=$(/usr/bin/pihole-FTL tag)
|
||
local FTLlatesttag
|
||
|
||
if ! FTLlatesttag=$(curl -sI https://github.com/pi-hole/FTL/releases/latest | grep --color=never -i Location: | awk -F / '{print $NF}' | tr -d '[:cntrl:]'); then
|
||
# There was an issue while retrieving the latest version
|
||
printf " %b Failed to retrieve latest FTL release metadata" "${CROSS}"
|
||
return 3
|
||
fi
|
||
|
||
if [[ "${FTLversion}" != "${FTLlatesttag}" ]]; then
|
||
return 0
|
||
else
|
||
printf " %b Latest FTL Binary already installed (%s). Confirming Checksum...\\n" "${INFO}" "${FTLlatesttag}"
|
||
|
||
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
|
||
printf " %b Corruption detected...\\n" "${INFO}"
|
||
return 0
|
||
else
|
||
printf " %b Checksum correct. No need to download!\\n" "${INFO}"
|
||
return 1
|
||
fi
|
||
fi
|
||
else
|
||
return 0
|
||
fi
|
||
fi
|
||
}
|
||
|
||
# Detect suitable FTL binary platform
|
||
FTLdetect() {
|
||
printf "\\n %b FTL Checks...\\n\\n" "${INFO}"
|
||
|
||
printf " %b" "${2}"
|
||
|
||
if FTLcheckUpdate "${1}"; then
|
||
FTLinstall "${1}" || return 1
|
||
fi
|
||
}
|
||
|
||
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 > "${installLogLoc}"
|
||
chmod 644 "${installLogLoc}"
|
||
}
|
||
|
||
main() {
|
||
######## FIRST CHECK ########
|
||
# Must be root to install
|
||
local str="Root user check"
|
||
printf "\\n"
|
||
|
||
# If the user's id is zero,
|
||
if [[ "${EUID}" -eq 0 ]]; then
|
||
# they are root and all is good
|
||
printf " %b %s\\n" "${TICK}" "${str}"
|
||
# Show the Pi-hole logo so people know it's genuine since the logo and name are trademarked
|
||
show_ascii_berry
|
||
make_temporary_log
|
||
# Otherwise,
|
||
else
|
||
# They do not have enough privileges, so let the user know
|
||
printf " %b %s\\n" "${INFO}" "${str}"
|
||
printf " %b %bScript called with non-root privileges%b\\n" "${INFO}" "${COL_LIGHT_RED}" "${COL_NC}"
|
||
printf " The Pi-hole requires elevated privileges to install and run\\n"
|
||
printf " Please check the installer for any concerns regarding this requirement\\n"
|
||
printf " Make sure to download this script from a trusted source\\n\\n"
|
||
printf " %b Sudo utility check" "${INFO}"
|
||
|
||
# If the sudo command exists,
|
||
if is_command sudo ; then
|
||
printf "%b %b Sudo utility check\\n" "${OVER}" "${TICK}"
|
||
|
||
# when run via curl piping
|
||
if [[ "$0" == "bash" ]]; then
|
||
# Download the install script and run it with admin rights
|
||
exec curl -sSL https://raw.githubusercontent.com/pi-hole/pi-hole/master/automated%20install/basic-install.sh | sudo bash "$@"
|
||
else
|
||
# when run via calling local bash script
|
||
exec sudo bash "$0" "$@"
|
||
fi
|
||
|
||
exit $?
|
||
# Otherwise,
|
||
else
|
||
# Let them know they need to run it as root
|
||
printf "%b %b Sudo utility check\\n" "${OVER}" "${CROSS}"
|
||
printf " %b Sudo is needed for the Web Interface to run pihole commands\\n\\n" "${INFO}"
|
||
printf " %b %bPlease re-run this installer as root${COL_NC}\\n" "${INFO}" "${COL_LIGHT_RED}"
|
||
exit 1
|
||
fi
|
||
fi
|
||
|
||
# Check for supported distribution
|
||
distro_check
|
||
|
||
# If the setup variable file exists,
|
||
if [[ -f "${setupVars}" ]]; then
|
||
# if it's running unattended,
|
||
if [[ "${runUnattended}" == true ]]; then
|
||
printf " %b Performing unattended setup, no whiptail dialogs will be displayed\\n" "${INFO}"
|
||
# Use the setup variables
|
||
useUpdateVars=true
|
||
# also disable debconf-apt-progress dialogs
|
||
export DEBIAN_FRONTEND="noninteractive"
|
||
# Otherwise,
|
||
else
|
||
# show the available options (repair/reconfigure)
|
||
update_dialogs
|
||
fi
|
||
fi
|
||
|
||
# Start the installer
|
||
# Notify user of package availability
|
||
notify_package_updates_available
|
||
|
||
# Install packages used by this installation script
|
||
install_dependent_packages "${INSTALLER_DEPS[@]}"
|
||
|
||
# Check that the installed OS is officially supported - display warning if not
|
||
os_check
|
||
|
||
# Check if SELinux is Enforcing
|
||
checkSelinux
|
||
|
||
if [[ "${useUpdateVars}" == false ]]; then
|
||
# Display welcome dialogs
|
||
welcomeDialogs
|
||
# Create directory for Pi-hole storage
|
||
install -d -m 755 /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
|
||
# Let the user decide the FTL privacy level
|
||
setPrivacyLevel
|
||
else
|
||
# Setup adlist file if not exists
|
||
installDefaultBlocklists
|
||
|
||
# Source ${setupVars} to use predefined user variables in the functions
|
||
source "${setupVars}"
|
||
|
||
# Get the privacy level if it exists (default is 0)
|
||
if [[ -f "${PI_HOLE_CONFIG_DIR}/pihole-FTL.conf" ]]; then
|
||
PRIVACY_LEVEL=$(sed -ne 's/PRIVACYLEVEL=\(.*\)/\1/p' "${PI_HOLE_CONFIG_DIR}/pihole-FTL.conf")
|
||
|
||
# If no setting was found, default to 0
|
||
PRIVACY_LEVEL="${PRIVACY_LEVEL:-0}"
|
||
fi
|
||
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 [[ "${INSTALL_WEB_SERVER}" == true ]]; then
|
||
enable_service lighttpd
|
||
fi
|
||
# Determine if lighttpd is correctly enabled
|
||
if check_service_active "lighttpd"; then
|
||
LIGHTTPD_ENABLED=true
|
||
else
|
||
LIGHTTPD_ENABLED=false
|
||
fi
|
||
# Create the pihole user
|
||
create_pihole_user
|
||
|
||
# Check if FTL is installed - do this early on as FTL is a hard dependency for Pi-hole
|
||
local funcOutput
|
||
funcOutput=$(get_binary_name) #Store output of get_binary_name here
|
||
local binary
|
||
binary="pihole-FTL${funcOutput##*pihole-FTL}" #binary name will be the last line of the output of get_binary_name (it always begins with pihole-FTL)
|
||
local theRest
|
||
theRest="${funcOutput%pihole-FTL*}" # Print the rest of get_binary_name's output to display (cut out from first instance of "pihole-FTL")
|
||
if ! FTLdetect "${binary}" "${theRest}"; then
|
||
printf " %b FTL Engine not installed\\n" "${CROSS}"
|
||
exit 1
|
||
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 [[ "${LIGHTTPD_ENABLED}" == true ]]; then
|
||
restart_service lighttpd
|
||
enable_service lighttpd
|
||
else
|
||
printf " %b Lighttpd is disabled, skipping service restart\\n" "${INFO}"
|
||
fi
|
||
fi
|
||
|
||
printf " %b Restarting services...\\n" "${INFO}"
|
||
# Start services
|
||
|
||
# Enable FTL
|
||
# Ensure the service is enabled before trying to start it
|
||
# Fixes a problem reported on Ubuntu 18.04 where trying to start
|
||
# the service before enabling causes installer to exit
|
||
enable_service pihole-FTL
|
||
restart_service pihole-FTL
|
||
|
||
# Download and compile the aggregated block list
|
||
runGravity
|
||
|
||
# Force an update of the updatechecker
|
||
/opt/pihole/updatecheck.sh
|
||
/opt/pihole/updatecheck.sh x remote
|
||
|
||
if [[ "${useUpdateVars}" == false ]]; then
|
||
displayFinalMessage "${pw}"
|
||
fi
|
||
|
||
# If the Web interface was installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
# If there is a password,
|
||
if (( ${#pw} > 0 )) ; then
|
||
# display the password
|
||
printf " %b Web Interface password: %b%s%b\\n" "${INFO}" "${COL_LIGHT_GREEN}" "${pw}" "${COL_NC}"
|
||
printf " %b This can be changed using 'pihole -a -p'\\n\\n" "${INFO}"
|
||
fi
|
||
fi
|
||
|
||
if [[ "${useUpdateVars}" == false ]]; then
|
||
# If the Web interface was installed,
|
||
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
|
||
printf " %b View the web interface at http://pi.hole/admin or http://%s/admin\\n\\n" "${INFO}" "${IPV4_ADDRESS%/*}"
|
||
fi
|
||
# Explain to the user how to use Pi-hole as their DNS server
|
||
printf " %b You may now configure your devices to use the Pi-hole as their DNS server\\n" "${INFO}"
|
||
[[ -n "${IPV4_ADDRESS%/*}" ]] && printf " %b Pi-hole DNS (IPv4): %s\\n" "${INFO}" "${IPV4_ADDRESS%/*}"
|
||
[[ -n "${IPV6_ADDRESS}" ]] && printf " %b Pi-hole DNS (IPv6): %s\\n" "${INFO}" "${IPV6_ADDRESS}"
|
||
printf " %b If you set a new IP address, please restart the server running the Pi-hole\\n" "${INFO}"
|
||
INSTALL_TYPE="Installation"
|
||
else
|
||
INSTALL_TYPE="Update"
|
||
fi
|
||
|
||
# Display where the log file is
|
||
printf "\\n %b The install log is located at: %s\\n" "${INFO}" "${installLogLoc}"
|
||
printf "%b%s Complete! %b\\n" "${COL_LIGHT_GREEN}" "${INSTALL_TYPE}" "${COL_NC}"
|
||
|
||
if [[ "${INSTALL_TYPE}" == "Update" ]]; then
|
||
printf "\\n"
|
||
"${PI_HOLE_BIN_DIR}"/pihole version --current
|
||
fi
|
||
}
|
||
|
||
if [[ "${PH_TEST}" != true ]] ; then
|
||
main "$@"
|
||
fi
|