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#!/bin/bash

# Copyright (C) 2022 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# obtain list of puppet host certificate signing requests
NEW_PUPPET_SIGNING_REQUESTS="$(puppet cert list 2>/dev/null | awk '{ print $1 }' | sed 's/\"//g')"

# if any, iterate over them individually
if [ -n "${NEW_PUPPET_SIGNING_REQUESTS}" ]; then

	echo "${NEW_PUPPET_SIGNING_REQUESTS}" | while read host_csr; do

		# strip domain name
		hostname_short="$(echo $host_csr | cut -d '.' -f1)"

		## lookup host and see if it exists in LDAP:
		ldapsystem=`ldapsearch -xLLL "(&(cn=${hostname_short})(|(objectClass=GOHard)(|(objectClass=ipHost))))" cn 2>/dev/null | perl -p00e 's/\r?\n //g' | grep -E '^cn:' | sed -e 's/^cn: //g'`

		if [ -n "${ldapsystem}" ]; then

			# yes, we should sign this host CSR
			puppet cert sign "${host_csr}"

		fi

	done

fi