668 lines
20 KiB
Bash
Executable File
668 lines
20 KiB
Bash
Executable File
#!/bin/bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2017 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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# Controller for all pihole scripts and functions.
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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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readonly PI_HOLE_SCRIPT_DIR="/opt/pihole"
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readonly wildcardlist="/etc/dnsmasq.d/03-pihole-wildcard.conf"
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readonly colfile="${PI_HOLE_SCRIPT_DIR}/COL_TABLE"
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source "${colfile}"
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# Must be root to use this tool
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if [[ ! $EUID -eq 0 ]];then
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if [[ -x "$(command -v sudo)" ]]; then
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exec sudo bash "$0" "$@"
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exit $?
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else
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echo -e " ${CROSS} sudo is needed to run pihole commands. Please run this script as root or install sudo."
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exit 1
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fi
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fi
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webpageFunc() {
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source "${PI_HOLE_SCRIPT_DIR}/webpage.sh"
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main "$@"
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exit 0
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}
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whitelistFunc() {
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"${PI_HOLE_SCRIPT_DIR}"/list.sh "$@"
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exit 0
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}
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blacklistFunc() {
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"${PI_HOLE_SCRIPT_DIR}"/list.sh "$@"
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exit 0
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}
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wildcardFunc() {
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"${PI_HOLE_SCRIPT_DIR}"/list.sh "$@"
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exit 0
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}
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debugFunc() {
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local automated
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local web
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# Pull off the `debug` leaving passed call augmentation flags in $1
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shift
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if [[ "$@" == *"-a"* ]]; then
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automated="true"
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fi
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if [[ "$@" == *"-w"* ]]; then
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web="true"
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fi
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AUTOMATED=${automated:-} WEBCALL=${web:-} "${PI_HOLE_SCRIPT_DIR}"/piholeDebug.sh
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exit 0
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}
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flushFunc() {
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"${PI_HOLE_SCRIPT_DIR}"/piholeLogFlush.sh "$@"
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exit 0
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}
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updatePiholeFunc() {
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"${PI_HOLE_SCRIPT_DIR}"/update.sh
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exit 0
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}
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reconfigurePiholeFunc() {
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/etc/.pihole/automated\ install/basic-install.sh --reconfigure
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exit 0;
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}
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updateGravityFunc() {
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"${PI_HOLE_SCRIPT_DIR}"/gravity.sh "$@"
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exit 0
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}
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# Scan an array of files for matching strings
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scanList(){
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# Escape full stops
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local domain="${1//./\\.}" lists="${2}" type="${3:-}"
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# Prevent grep from printing file path
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cd "/etc/pihole" || exit 1
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# Prevent grep -i matching slowly: http://bit.ly/2xFXtUX
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export LC_CTYPE=C
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# /dev/null forces filename to be printed when only one list has been generated
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# shellcheck disable=SC2086
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case "${type}" in
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"exact" ) grep -i -E -l "(^|\\s)${domain}($|\\s|#)" ${lists} /dev/null;;
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"wc" ) grep -i -o -m 1 "/${domain}/" ${lists};;
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* ) grep -i "${domain}" ${lists} /dev/null;;
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esac
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}
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# Print each subdomain
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# e.g: foo.bar.baz.com = "foo.bar.baz.com bar.baz.com baz.com com"
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processWildcards() {
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IFS="." read -r -a array <<< "${1}"
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for (( i=${#array[@]}-1; i>=0; i-- )); do
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ar=""
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for (( j=${#array[@]}-1; j>${#array[@]}-i-2; j-- )); do
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if [[ $j == $((${#array[@]}-1)) ]]; then
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ar="${array[$j]}"
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else
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ar="${array[$j]}.${ar}"
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fi
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done
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echo "${ar}"
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done
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}
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queryFunc() {
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shift
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local options="$*" adlist="" all="" exact="" blockpage="" matchType="match"
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if [[ "${options}" == "-h" ]] || [[ "${options}" == "--help" ]]; then
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echo "Usage: pihole -q [option] <domain>
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Example: 'pihole -q -exact domain.com'
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Query the adlists for a specified domain
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Options:
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-adlist Print the name of the block list URL
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-exact Search the block lists for exact domain matches
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-all Return all query matches within a block list
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-h, --help Show this help dialog"
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exit 0
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fi
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if [[ ! -e "/etc/pihole/adlists.list" ]]; then
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echo -e "${COL_LIGHT_RED}The file '/etc/pihole/adlists.list' was not found${COL_NC}"
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exit 1
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fi
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# Handle valid options
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if [[ "${options}" == *"-bp"* ]]; then
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exact="exact"; blockpage=true
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else
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[[ "${options}" == *"-adlist"* ]] && adlist=true
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[[ "${options}" == *"-all"* ]] && all=true
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if [[ "${options}" == *"-exact"* ]]; then
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exact="exact"; matchType="exact ${matchType}"
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fi
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fi
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# Strip valid options, leaving only the domain and invalid options
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# This allows users to place the options before or after the domain
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options=$(sed -E 's/ ?-(bp|adlists?|all|exact) ?//g' <<< "${options}")
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# Handle remaining options
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# If $options contain non ASCII characters, convert to punycode
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case "${options}" in
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"" ) str="No domain specified";;
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*" "* ) str="Unknown query option specified";;
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*[![:ascii:]]* ) domainQuery=$(idn2 "${options}");;
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* ) domainQuery="${options}";;
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esac
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if [[ -n "${str:-}" ]]; then
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echo -e "${str}${COL_NC}\\nTry 'pihole -q --help' for more information."
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exit 1
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fi
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# Scan Whitelist and Blacklist
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lists="whitelist.txt blacklist.txt"
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mapfile -t results <<< "$(scanList "${domainQuery}" "${lists}" "${exact}")"
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if [[ -n "${results[*]}" ]]; then
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wbMatch=true
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# Loop through each result in order to print unique file title once
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for result in "${results[@]}"; do
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fileName="${result%%.*}"
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if [[ -n "${blockpage}" ]]; then
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echo "π ${result}"
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exit 0
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elif [[ -n "${exact}" ]]; then
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echo " ${matchType^} found in ${COL_BOLD}${fileName^}${COL_NC}"
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else
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# Only print filename title once per file
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if [[ ! "${fileName}" == "${fileName_prev:-}" ]]; then
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echo " ${matchType^} found in ${COL_BOLD}${fileName^}${COL_NC}"
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fileName_prev="${fileName}"
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fi
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echo " ${result#*:}"
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fi
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done
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fi
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# Scan Wildcards
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if [[ -e "${wildcardlist}" ]]; then
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# Determine all subdomains, domain and TLDs
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mapfile -t wildcards <<< "$(processWildcards "${domainQuery}")"
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for match in "${wildcards[@]}"; do
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# Search wildcard list for matches
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mapfile -t results <<< "$(scanList "${match}" "${wildcardlist}" "wc")"
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if [[ -n "${results[*]}" ]]; then
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if [[ -z "${wcMatch:-}" ]] && [[ -z "${blockpage}" ]]; then
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wcMatch=true
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echo " ${matchType^} found in ${COL_BOLD}Wildcards${COL_NC}:"
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fi
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case "${blockpage}" in
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true ) echo "π ${wildcardlist##*/}"; exit 0;;
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* ) echo " *.${match}";;
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esac
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fi
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done
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fi
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# Get version sorted *.domains filenames (without dir path)
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lists=("$(cd "/etc/pihole" || exit 0; printf "%s\\n" -- *.domains | sort -V)")
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# Query blocklists for occurences of domain
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mapfile -t results <<< "$(scanList "${domainQuery}" "${lists[*]}" "${exact}")"
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# Handle notices
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if [[ -z "${wbMatch:-}" ]] && [[ -z "${wcMatch:-}" ]] && [[ -z "${results[*]}" ]]; then
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echo -e " ${INFO} No ${exact/t/t }results found for ${COL_BOLD}${domainQuery}${COL_NC} found within block lists"
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exit 0
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elif [[ -z "${results[*]}" ]]; then
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# Result found in WL/BL/Wildcards
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exit 0
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elif [[ -z "${all}" ]] && [[ "${#results[*]}" -ge 100 ]]; then
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echo -e " ${INFO} Over 100 ${exact/t/t }results found for ${COL_BOLD}${domainQuery}${COL_NC}
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This can be overridden using the -all option"
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exit 0
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fi
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# Remove unwanted content from non-exact $results
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if [[ -z "${exact}" ]]; then
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# Delete lines starting with #
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# Remove comments after domain
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# Remove hosts format IP address
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mapfile -t results <<< "$(IFS=$'\n'; sed \
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-e "/:#/d" \
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-e "s/[ \\t]#.*//g" \
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-e "s/:.*[ \\t]/:/g" \
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<<< "${results[*]}")"
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# Exit if result was in a comment
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[[ -z "${results[*]}" ]] && exit 0
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fi
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# Get adlist file content as array
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if [[ -n "${adlist}" ]] || [[ -n "${blockpage}" ]]; then
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for adlistUrl in $(< "/etc/pihole/adlists.list"); do
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if [[ "${adlistUrl:0:4}" =~ (http|www.) ]]; then
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adlists+=("${adlistUrl}")
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fi
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done
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fi
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# Print "Exact matches for" title
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if [[ -n "${exact}" ]] && [[ -z "${blockpage}" ]]; then
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plural=""; [[ "${#results[*]}" -gt 1 ]] && plural="es"
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echo " ${matchType^}${plural} for ${COL_BOLD}${domainQuery}${COL_NC} found in:"
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fi
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for result in "${results[@]}"; do
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fileName="${result/:*/}"
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# Determine *.domains URL using filename's number
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if [[ -n "${adlist}" ]] || [[ -n "${blockpage}" ]]; then
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fileNum="${fileName/list./}"; fileNum="${fileNum%%.*}"
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fileName="${adlists[$fileNum]}"
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# Discrepency occurs when adlists has been modified, but Gravity has not been run
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if [[ -z "${fileName}" ]]; then
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fileName="${COL_LIGHT_RED}(no associated adlists URL found)${COL_NC}"
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fi
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fi
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if [[ -n "${blockpage}" ]]; then
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echo "${fileNum} ${fileName}"
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elif [[ -n "${exact}" ]]; then
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echo " ${fileName}"
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else
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if [[ ! "${fileName}" == "${fileName_prev:-}" ]]; then
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count=""
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echo " ${matchType^} found in ${COL_BOLD}${fileName}${COL_NC}:"
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fileName_prev="${fileName}"
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fi
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: $((count++))
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# Print matching domain if $max_count has not been reached
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[[ -z "${all}" ]] && max_count="50"
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if [[ -z "${all}" ]] && [[ "${count}" -ge "${max_count}" ]]; then
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[[ "${count}" -gt "${max_count}" ]] && continue
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echo " ${COL_GRAY}Over ${count} results found, skipping rest of file${COL_NC}"
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else
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echo " ${result#*:}"
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fi
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fi
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done
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exit 0
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}
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chronometerFunc() {
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shift
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"${PI_HOLE_SCRIPT_DIR}"/chronometer.sh "$@"
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exit 0
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}
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uninstallFunc() {
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"${PI_HOLE_SCRIPT_DIR}"/uninstall.sh
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exit 0
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}
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versionFunc() {
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shift
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"${PI_HOLE_SCRIPT_DIR}"/version.sh "$@"
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exit 0
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}
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restartDNS() {
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local svcOption svc str output status
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svcOption="${1:-}"
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# Determine if we should reload or restart dnsmasq
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if [[ "${svcOption}" =~ "reload" ]]; then
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# Using SIGHUP will NOT re-read any *.conf files
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svc="killall -s SIGHUP dnsmasq"
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else
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# Get PID of dnsmasq to determine if it needs to start or restart
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if pidof dnsmasq &> /dev/null; then
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svcOption="restart"
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else
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svcOption="start"
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fi
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svc="service dnsmasq ${svcOption}"
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fi
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# Print output to Terminal, but not to Web Admin
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str="${svcOption^}ing DNS service"
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[[ -t 1 ]] && echo -ne " ${INFO} ${str}..."
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output=$( { ${svc}; } 2>&1 )
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status="$?"
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if [[ "${status}" -eq 0 ]]; then
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[[ -t 1 ]] && echo -e "${OVER} ${TICK} ${str}"
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else
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[[ ! -t 1 ]] && local OVER=""
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echo -e "${OVER} ${CROSS} ${output}"
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fi
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# Send signal to FTL to have it re-parse the gravity files
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killall -s SIGHUP pihole-FTL
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}
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piholeEnable() {
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if [[ "${2}" == "-h" ]] || [[ "${2}" == "--help" ]]; then
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echo "Usage: pihole disable [time]
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Example: 'pihole disable', or 'pihole disable 5m'
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Disable Pi-hole subsystems
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Time:
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#s Disable Pi-hole functionality for # second(s)
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#m Disable Pi-hole functionality for # minute(s)"
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exit 0
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elif [[ "${1}" == "0" ]]; then
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# Disable Pi-hole
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sed -i 's/^addn-hosts=\/etc\/pihole\/gravity.list/#addn-hosts=\/etc\/pihole\/gravity.list/' /etc/dnsmasq.d/01-pihole.conf
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sed -i 's/^addn-hosts=\/etc\/pihole\/black.list/#addn-hosts=\/etc\/pihole\/black.list/' /etc/dnsmasq.d/01-pihole.conf
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if [[ -e "$wildcardlist" ]]; then
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mv "$wildcardlist" "/etc/pihole/wildcard.list"
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fi
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if [[ $# > 1 ]]; then
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local error=false
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if [[ "${2}" == *"s" ]]; then
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tt=${2%"s"}
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if [[ "${tt}" =~ ^-?[0-9]+$ ]];then
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local str="Disabling blocking for ${tt} seconds"
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echo -e " ${INFO} ${str}..."
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local str="Blocking will be re-enabled in ${tt} seconds"
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nohup bash -c "sleep ${tt}; pihole enable" </dev/null &>/dev/null &
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else
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local error=true
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fi
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elif [[ "${2}" == *"m" ]]; then
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tt=${2%"m"}
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if [[ "${tt}" =~ ^-?[0-9]+$ ]];then
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local str="Disabling blocking for ${tt} minutes"
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echo -e " ${INFO} ${str}..."
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local str="Blocking will be re-enabled in ${tt} minutes"
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tt=$((${tt}*60))
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nohup bash -c "sleep ${tt}; pihole enable" </dev/null &>/dev/null &
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else
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local error=true
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fi
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elif [[ -n "${2}" ]]; then
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local error=true
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else
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echo -e " ${INFO} Disabling blocking"
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fi
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if [[ ${error} == true ]];then
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echo -e " ${COL_LIGHT_RED}Unknown format for delayed reactivation of the blocking!${COL_NC}"
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echo -e " Try 'pihole disable --help' for more information."
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exit 1
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fi
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local str="Pi-hole Disabled"
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fi
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else
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# Enable Pi-hole
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echo -e " ${INFO} Enabling blocking"
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local str="Pi-hole Enabled"
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sed -i 's/^#addn-hosts/addn-hosts/' /etc/dnsmasq.d/01-pihole.conf
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if [[ -e "/etc/pihole/wildcard.list" ]]; then
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mv "/etc/pihole/wildcard.list" "$wildcardlist"
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fi
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fi
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restartDNS
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echo -e "${OVER} ${TICK} ${str}"
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}
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piholeLogging() {
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shift
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if [[ "${1}" == "-h" ]] || [[ "${1}" == "--help" ]]; then
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echo "Usage: pihole logging [options]
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Example: 'pihole logging on'
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Specify whether the Pi-hole log should be used
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Options:
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on Enable the Pi-hole log at /var/log/pihole.log
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off Disable and flush the Pi-hole log at /var/log/pihole.log
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off noflush Disable the Pi-hole log at /var/log/pihole.log"
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exit 0
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elif [[ "${1}" == "off" ]]; then
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# Disable logging
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sed -i 's/^log-queries/#log-queries/' /etc/dnsmasq.d/01-pihole.conf
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sed -i 's/^QUERY_LOGGING=true/QUERY_LOGGING=false/' /etc/pihole/setupVars.conf
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if [[ "${2}" != "noflush" ]]; then
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# Flush logs
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pihole -f
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fi
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echo -e " ${INFO} Disabling logging..."
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local str="Logging has been disabled!"
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elif [[ "${1}" == "on" ]]; then
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# Enable logging
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sed -i 's/^#log-queries/log-queries/' /etc/dnsmasq.d/01-pihole.conf
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sed -i 's/^QUERY_LOGGING=false/QUERY_LOGGING=true/' /etc/pihole/setupVars.conf
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echo -e " ${INFO} Enabling logging..."
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local str="Logging has been enabled!"
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else
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echo -e " ${COL_LIGHT_RED}Invalid option${COL_NC}
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Try 'pihole logging --help' for more information."
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exit 1
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fi
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restartDNS
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echo -e "${OVER} ${TICK} ${str}"
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}
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statusFunc() {
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local addnConfigs
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# Determine if service is running on port 53 (Cr: https://superuser.com/a/806331)
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if (echo > /dev/tcp/localhost/53) >/dev/null 2>&1; then
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if [[ "${1}" != "web" ]]; then
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echo -e " ${TICK} DNS service is running"
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fi
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else
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case "${1}" in
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"web") echo "-1";;
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*) echo -e " ${CROSS} DNS service is NOT running";;
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esac
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return 0
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fi
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# Determine if Pi-hole's addn-hosts configs are commented out
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addnConfigs=$(grep -i "addn-hosts=/" /etc/dnsmasq.d/01-pihole.conf)
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if [[ "${addnConfigs}" =~ "#" ]]; then
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# A config is commented out
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case "${1}" in
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"web") echo 0;;
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*) echo -e " ${CROSS} Pi-hole blocking is Disabled";;
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esac
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elif [[ -n "${addnConfigs}" ]]; then
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# Configs are set
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case "${1}" in
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"web") echo 1;;
|
|
*) echo -e " ${TICK} Pi-hole blocking is Enabled";;
|
|
esac
|
|
else
|
|
# No configs were found
|
|
case "${1}" in
|
|
"web") echo 99;;
|
|
*) echo -e " ${INFO} No hosts file linked to dnsmasq, adding it in enabled state";;
|
|
esac
|
|
# Add addn-host= to dnsmasq
|
|
echo "addn-hosts=/etc/pihole/gravity.list" >> /etc/dnsmasq.d/01-pihole.conf
|
|
restartDNS
|
|
fi
|
|
}
|
|
|
|
tailFunc() {
|
|
echo -e " ${INFO} Press Ctrl-C to exit"
|
|
|
|
# Retrieve IPv4/6 addresses
|
|
source /etc/pihole/setupVars.conf
|
|
|
|
# Strip date from each line
|
|
# Colour blocklist/blacklist/wildcard entries as red
|
|
# Colour A/AAAA/DHCP strings as white
|
|
# Colour everything else as gray
|
|
tail -f /var/log/pihole.log | sed -E \
|
|
-e "s,($(date +'%b %d ')| dnsmasq[.*[0-9]]),,g" \
|
|
-e "s,(.*(gravity.list|black.list| config ).* is (${IPV4_ADDRESS%/*}|${IPV6_ADDRESS:-NULL}).*),${COL_RED}&${COL_NC}," \
|
|
-e "s,.*(query\\[A|DHCP).*,${COL_NC}&${COL_NC}," \
|
|
-e "s,.*,${COL_GRAY}&${COL_NC},"
|
|
exit 0
|
|
}
|
|
|
|
piholeCheckoutFunc() {
|
|
if [[ "$2" == "-h" ]] || [[ "$2" == "--help" ]]; then
|
|
echo "Usage: pihole checkout [repo] [branch]
|
|
Example: 'pihole checkout master' or 'pihole checkout core dev'
|
|
Switch Pi-hole subsystems to a different Github branch
|
|
|
|
Repositories:
|
|
core [branch] Change the branch of Pi-hole's core subsystem
|
|
web [branch] Change the branch of Admin Console subsystem
|
|
ftl [branch] Change the branch of Pi-hole's FTL subsystem
|
|
|
|
Branches:
|
|
master Update subsystems to the latest stable release
|
|
dev Update subsystems to the latest development release"
|
|
exit 0
|
|
fi
|
|
|
|
source "${PI_HOLE_SCRIPT_DIR}"/piholeCheckout.sh
|
|
shift
|
|
checkout "$@"
|
|
}
|
|
|
|
tricorderFunc() {
|
|
if [[ ! -p "/dev/stdin" ]]; then
|
|
echo -e " ${INFO} Please do not call Tricorder directly"
|
|
exit 1
|
|
fi
|
|
|
|
if ! (echo > /dev/tcp/tricorder.pi-hole.net/9998) >/dev/null 2>&1; then
|
|
echo -e " ${CROSS} Unable to connect to Pi-hole's Tricorder server"
|
|
exit 1
|
|
fi
|
|
|
|
if command -v openssl &> /dev/null; then
|
|
openssl s_client -quiet -connect tricorder.pi-hole.net:9998 2> /dev/null < /dev/stdin
|
|
exit "$?"
|
|
else
|
|
echo -e " ${INFO} ${COL_YELLOW}Security Notice${COL_NC}: ${COL_WHITE}openssl${COL_NC} is not installed
|
|
Your debug log will be transmitted unencrypted via plain-text
|
|
There is a possibility that this could be intercepted by a third party
|
|
If you wish to cancel, press Ctrl-C to exit within 10 seconds"
|
|
secs="10"
|
|
while [[ "$secs" -gt "0" ]]; do
|
|
echo -ne "."
|
|
sleep 1
|
|
: $((secs--))
|
|
done
|
|
echo " "
|
|
nc tricorder.pi-hole.net 9999 < /dev/stdin
|
|
exit "$?"
|
|
fi
|
|
}
|
|
|
|
updateCheckFunc() {
|
|
"${PI_HOLE_SCRIPT_DIR}"/updatecheck.sh "$@"
|
|
exit 0
|
|
}
|
|
|
|
helpFunc() {
|
|
echo "Usage: pihole [options]
|
|
Example: 'pihole -w -h'
|
|
Add '-h' after specific commands for more information on usage
|
|
|
|
Whitelist/Blacklist Options:
|
|
-w, whitelist Whitelist domain(s)
|
|
-b, blacklist Blacklist domain(s)
|
|
-wild, wildcard Blacklist domain(s), and all its subdomains
|
|
Add '-h' for more info on whitelist/blacklist usage
|
|
|
|
Debugging Options:
|
|
-d, debug Start a debugging session
|
|
Add '-a' to enable automated debugging
|
|
-f, flush Flush the Pi-hole log
|
|
-r, reconfigure Reconfigure or Repair Pi-hole subsystems
|
|
-t, tail View the live output of the Pi-hole log
|
|
|
|
Options:
|
|
-a, admin Admin Console options
|
|
Add '-h' for more info on admin console usage
|
|
-c, chronometer Calculates stats and displays to an LCD
|
|
Add '-h' for more info on chronometer usage
|
|
-g, updateGravity Update the list of ad-serving domains
|
|
-h, --help, help Show this help dialog
|
|
-l, logging Specify whether the Pi-hole log should be used
|
|
Add '-h' for more info on logging usage
|
|
-q, query Query the adlists for a specified domain
|
|
Add '-h' for more info on query usage
|
|
-up, updatePihole Update Pi-hole subsystems
|
|
-v, version Show installed versions of Pi-hole, Admin Console & FTL
|
|
Add '-h' for more info on version usage
|
|
uninstall Uninstall Pi-hole from your system
|
|
status Display the running status of Pi-hole subsystems
|
|
enable Enable Pi-hole subsystems
|
|
disable Disable Pi-hole subsystems
|
|
Add '-h' for more info on disable usage
|
|
restartdns Restart Pi-hole subsystems
|
|
checkout Switch Pi-hole subsystems to a different Github branch
|
|
Add '-h' for more info on checkout usage";
|
|
exit 0
|
|
}
|
|
|
|
if [[ $# = 0 ]]; then
|
|
helpFunc
|
|
fi
|
|
|
|
# Handle redirecting to specific functions based on arguments
|
|
case "${1}" in
|
|
"-w" | "whitelist" ) whitelistFunc "$@";;
|
|
"-b" | "blacklist" ) blacklistFunc "$@";;
|
|
"-wild" | "wildcard" ) wildcardFunc "$@";;
|
|
"-d" | "debug" ) debugFunc "$@";;
|
|
"-f" | "flush" ) flushFunc "$@";;
|
|
"-up" | "updatePihole" ) updatePiholeFunc;;
|
|
"-r" | "reconfigure" ) reconfigurePiholeFunc;;
|
|
"-g" | "updateGravity" ) updateGravityFunc "$@";;
|
|
"-c" | "chronometer" ) chronometerFunc "$@";;
|
|
"-h" | "help" ) helpFunc;;
|
|
"-v" | "version" ) versionFunc "$@";;
|
|
"-q" | "query" ) queryFunc "$@";;
|
|
"-l" | "logging" ) piholeLogging "$@";;
|
|
"uninstall" ) uninstallFunc;;
|
|
"enable" ) piholeEnable 1;;
|
|
"disable" ) piholeEnable 0 "$2";;
|
|
"status" ) statusFunc "$2";;
|
|
"restartdns" ) restartDNS "$2";;
|
|
"-a" | "admin" ) webpageFunc "$@";;
|
|
"-t" | "tail" ) tailFunc;;
|
|
"checkout" ) piholeCheckoutFunc "$@";;
|
|
"tricorder" ) tricorderFunc;;
|
|
"updatechecker" ) updateCheckFunc "$@";;
|
|
* ) helpFunc;;
|
|
esac
|