mirror of
https://github.com/pi-hole/pi-hole
synced 2024-11-18 14:18:15 +00:00
74 lines
2.1 KiB
Bash
Executable File
74 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# shellcheck disable=SC1090
|
|
|
|
# Pi-hole: A black hole for Internet advertisements
|
|
# (c) 2019 Pi-hole, LLC (https://pi-hole.net)
|
|
# Network-wide ad blocking via your own hardware.
|
|
#
|
|
# ARP table interaction
|
|
#
|
|
# This file is copyright under the latest version of the EUPL.
|
|
# Please see LICENSE file for your rights under this license.
|
|
|
|
coltable="/opt/pihole/COL_TABLE"
|
|
if [[ -f ${coltable} ]]; then
|
|
source ${coltable}
|
|
fi
|
|
|
|
# Determine database location
|
|
# Obtain DBFILE=... setting from pihole-FTL.db
|
|
# Constructed to return nothing when
|
|
# a) the setting is not present in the config file, or
|
|
# b) the setting is commented out (e.g. "#DBFILE=...")
|
|
FTLconf="/etc/pihole/pihole-FTL.conf"
|
|
if [ -e "$FTLconf" ]; then
|
|
DBFILE="$(sed -n -e 's/^\s*DBFILE\s*=\s*//p' ${FTLconf})"
|
|
fi
|
|
# Test for empty string. Use standard path in this case.
|
|
if [ -z "$DBFILE" ]; then
|
|
DBFILE="/etc/pihole/pihole-FTL.db"
|
|
fi
|
|
|
|
|
|
flushARP(){
|
|
local output
|
|
if [[ "${args[1]}" != "quiet" ]]; then
|
|
echo -ne " ${INFO} Flushing network table ..."
|
|
fi
|
|
|
|
# Flush ARP cache to avoid re-adding of dead entries
|
|
if ! output=$(ip neigh flush all 2>&1); then
|
|
echo -e "${OVER} ${CROSS} Failed to clear ARP cache"
|
|
echo " Output: ${output}"
|
|
return 1
|
|
fi
|
|
|
|
# Truncate network_addresses table in pihole-FTL.db
|
|
# This needs to be done before we can truncate the network table due to
|
|
# foreign key contraints
|
|
if ! output=$(sqlite3 "${DBFILE}" "DELETE FROM network_addresses" 2>&1); then
|
|
echo -e "${OVER} ${CROSS} Failed to truncate network_addresses table"
|
|
echo " Database location: ${DBFILE}"
|
|
echo " Output: ${output}"
|
|
return 1
|
|
fi
|
|
|
|
# Truncate network table in pihole-FTL.db
|
|
if ! output=$(sqlite3 "${DBFILE}" "DELETE FROM network" 2>&1); then
|
|
echo -e "${OVER} ${CROSS} Failed to truncate network table"
|
|
echo " Database location: ${DBFILE}"
|
|
echo " Output: ${output}"
|
|
return 1
|
|
fi
|
|
|
|
if [[ "${args[1]}" != "quiet" ]]; then
|
|
echo -e "${OVER} ${TICK} Flushed network table"
|
|
fi
|
|
}
|
|
|
|
args=("$@")
|
|
|
|
case "${args[0]}" in
|
|
"arpflush" ) flushARP;;
|
|
esac
|