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Add new "pihole arpflush" command to flush both the ARP cache as well as the network table in pihole-FTL.db

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Signed-off-by: DL6ER <dl6er@dl6er.de>
This commit is contained in:
DL6ER 2019-05-30 21:23:15 +02:00
parent ca2ea388b7
commit c3023fe681
No known key found for this signature in database
GPG key ID: FB60471F0575164A
2 changed files with 73 additions and 2 deletions
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65
advanced/Scripts/piholeARPTable.sh Executable file
View file

@ -0,0 +1,65 @@
#!/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 [[ "$@" != *"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: ${output}"
return 1
fi
if ! output=$(sqlite3 "${DBFILE}" "DELETE FROM network;" 2>&1); then
echo -e "${OVER} ${CROSS} Failed to truncate network table"
echo " Database location: ${DBFILE}"
echo " Output: ${output}"
return 1
fi
if [[ "$@" != *"quiet"* ]]; then
echo -e "${OVER} ${TICK} Flushed network table"
fi
}
args=("$@")
case "${args[0]}" in
"arpflush" ) flushARP;;
esac
shift

10
pihole
View file

@ -54,6 +54,11 @@ flushFunc() {
exit 0
}
arpFunc() {
"${PI_HOLE_SCRIPT_DIR}"/piholeARPTable.sh "$@"
exit 0
}
updatePiholeFunc() {
shift
"${PI_HOLE_SCRIPT_DIR}"/update.sh "$@"
@ -430,8 +435,8 @@ fi
case "${1}" in
"-w" | "whitelist" ) listFunc "$@";;
"-b" | "blacklist" ) listFunc "$@";;
"--wild" | "wildcard" ) listFunc "$@";;
"--regex" | "regex" ) listFunc "$@";;
"--wild" | "wildcard" ) listFunc "$@";;
"--regex" | "regex" ) listFunc "$@";;
"-d" | "debug" ) debugFunc "$@";;
"-f" | "flush" ) flushFunc "$@";;
"-up" | "updatePihole" ) updatePiholeFunc "$@";;
@ -452,5 +457,6 @@ case "${1}" in
"checkout" ) piholeCheckoutFunc "$@";;
"tricorder" ) tricorderFunc;;
"updatechecker" ) updateCheckFunc "$@";;
"arpflush" ) arpFunc "$@";;
* ) helpFunc;;
esac