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Signed-off-by: Christian König <github@yubiuser.dev>
77 lines
2.3 KiB
Bash
Executable File
77 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 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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# Flushes Pi-hole's log file
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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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colfile="/opt/pihole/COL_TABLE"
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# shellcheck source="./advanced/Scripts/COL_TABLE"
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source ${colfile}
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readonly PI_HOLE_SCRIPT_DIR="/opt/pihole"
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utilsfile="${PI_HOLE_SCRIPT_DIR}/utils.sh"
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# shellcheck source="./advanced/Scripts/utils.sh"
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source "${utilsfile}"
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# Determine database location
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DBFILE=$(getFTLConfigValue "files.database")
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if [ -z "$DBFILE" ]; then
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DBFILE="/etc/pihole/pihole-FTL.db"
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fi
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# Determine log file location
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LOGFILE=$(getFTLConfigValue "files.log.dnsmasq")
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if [ -z "$LOGFILE" ]; then
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LOGFILE="/var/log/pihole/pihole.log"
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fi
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FTLFILE=$(getFTLConfigValue "files.log.ftl")
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if [ -z "$FTLFILE" ]; then
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FTLFILE="/var/log/pihole/FTL.log"
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fi
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WEBFILE=$(getFTLConfigValue "files.log.webserver")
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if [ -z "$WEBFILE" ]; then
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WEBFILE="/var/log/pihole/webserver.log"
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fi
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# Helper function to handle log flushing for a single file
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flush_log() {
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local logfile="$1"
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if [[ "$*" != *"quiet"* ]]; then
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echo -ne " ${INFO} Flushing ${logfile} ..."
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fi
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echo " " > "${logfile}"
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chmod 640 "${logfile}"
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if [ -f "${logfile}.1" ]; then
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echo " " > "${logfile}.1"
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chmod 640 "${logfile}.1"
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fi
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if [[ "$*" != *"quiet"* ]]; then
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echo -e "${OVER} ${TICK} Flushed ${logfile} ..."
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fi
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}
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# Manual flushing
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flush_log "${LOGFILE}"
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flush_log "${FTLFILE}"
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flush_log "${WEBFILE}"
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if [[ "$*" != *"quiet"* ]]; then
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echo -ne " ${INFO} Flushing database, DNS resolution temporarily unavailable ..."
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fi
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# Stop FTL to make sure it doesn't write to the database while we're deleting data
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service pihole-FTL stop
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# Delete most recent 24 hours from FTL's database, leave even older data intact (don't wipe out all history)
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deleted=$(pihole-FTL sqlite3 -ni "${DBFILE}" "DELETE FROM query_storage WHERE timestamp >= strftime('%s','now')-86400; select changes() from query_storage limit 1")
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# Restart FTL
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service pihole-FTL restart
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if [[ "$*" != *"quiet"* ]]; then
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echo -e "${OVER} ${TICK} Deleted ${deleted} queries from long-term query database"
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fi
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