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dns: add new unbound-dhcp-leases-client script to send events to the bridge

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commit 7397809eb4
Author: Michael Tremer <michael.tremer@ipfire.org>
Date:   Fri May 10 16:06:23 2024 +0100

    unbound-dhcp-leases-client: A new script to send events to the bridge

    Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
This commit is contained in:
Vincent Li
2025-12-03 19:59:48 +00:00
parent 2ab05a1533
commit d38d3d5d6e
1 changed files with 75 additions and 0 deletions
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75
config/unbound/unbound-dhcp-leases-client Normal file
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#!/bin/bash
###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2016 Michael Tremer #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
SOCKET="/var/run/unbound-dhcp-leases-bridge.sock"
main() {
local event="${1}"
shift
# Check if we have received an event
if [ -z "${event}" ]; then
echo "${0}: Missing event" >&2
return 2
fi
# Check if the socket exists
if [ ! -S "${SOCKET}" ]; then
echo "${0}: ${SOCKET} does not exist" >&2
return 1
fi
# Connect to the socket
coproc NC { nc -U "${SOCKET}"; }
local arg
local response
# Send the message
{
# Send the event
echo "EVENT=${event}"
# Send all arguments
for arg in $@; do
echo "${arg}"
done
} >&"${NC[1]}"
# Close the input part of the connection
exec {NC[1]}>&-
# Capture the response
read response <&"${NC[0]}"
case "${response}" in
OK)
return 0
;;
*)
echo "${response}" >&2
return 1
;;
esac
}
main "$@" || exit $?