1 files changed, 88 insertions, 0 deletions
diff --git a/dehydrated/share/hooks/deploy_cert.extra b/dehydrated/share/hooks/deploy_cert.extra
new file mode 100755
index 0000000..5cf7b72
--- /dev/null
+++ b/dehydrated/share/hooks/deploy_cert.extra
@@ -0,0 +1,88 @@
+#!/bin/sh
+
+# Open Infrastructure: service-tools
+
+# Copyright (C) 2014-2023 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+#
+# SPDX-License-Identifier: GPL-3.0+
+#
+# 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 <https://www.gnu.org/licenses/>.
+
+set -e
+
+echo -n " + Creating extra certificate files..."
+
+DIRECTORY="$(dirname "${CERTFILE}")"
+
+if [ "$(grep -c 'BEGIN CERTIFICATE' ${FULLCHAINFILE})" -ge 3 ]
+then
+	# long chain:
+	# * chain.pem: (R3 | ISRG Root X1)
+	# * fullchain.pem: (Certificate | R3 | ISRG Root X1)
+	CHAIN="long"
+else
+	# short chain:
+	# * chain.pem: (R3)
+	# * fullchain.pem (Certificate | R3)
+	CHAIN="short"
+fi
+
+case "${CHAIN}" in
+	long)
+		# split chain.pem
+		TMPFILE="$(mktemp -p "${DIRECTORY}" -u ca.XXXXXXXXXX)"
+		grep -Ev '^$' "${CHAINFILE}" | csplit -f "${TMPFILE}" -s -z - '/-----BEGIN CERTIFICATE-----/' '{*}'
+
+		# intermediate (R3)
+		mv "${TMPFILE}00" "${DIRECTORY}/intermediate-${TIMESTAMP}.pem"
+		ln -sf "intermediate-${TIMESTAMP}.pem" "${DIRECTORY}/intermediate.pem"
+
+		# root (ISRG Root X1)
+		mv "${TMPFILE}01" "${DIRECTORY}/root-${TIMESTAMP}.pem"
+		ln -sf "root-${TIMESTAMP}.pem" "${DIRECTORY}/root.pem"
+		;;
+
+	short)
+		# intermediate (R3)
+		grep -Ev '^$' "${DIRECTORY}/chain-${TIMESTAMP}.pem" > "${DIRECTORY}/intermediate-${TIMESTAMP}.pem"
+		ln -sf "intermediate-${TIMESTAMP}.pem" "${DIRECTORY}/intermediate.pem"
+
+		# root (ISRG Root X1)
+		ISSUER_URI="$(openssl x509 -in "${DIRECTORY}/chain-${TIMESTAMP}.pem" -text -noout | grep 'Authority Information Access:' -A1 | awk -FURI: '/http/ { print $2 }')"
+
+		if [ -n "${ISSUER_URI}" ]
+		then
+			wget -q "${ISSUER_URI}" -O - | openssl x509 -outform PEM > "${DIRECTORY}/root-${TIMESTAMP}.pem"
+			ln -sf "root-${TIMESTAMP}.pem" "${DIRECTORY}/root.pem"
+		fi
+		;;
+esac
+
+# extra certificate permutations:
+# * privkey_fullchain.pem: postfix
+# * root_intermediate_cert.pem: redis
+
+for EXTRA in fullchain_privkey privkey_fullchain root_intermediate_cert
+do
+	rm -f "${DIRECTORY}/${EXTRA}-${TIMESTAMP}.pem"
+
+	for FILE in $(echo ${EXTRA} | sed -e 's|_| |g')
+	do
+		cat "${DIRECTORY}/${FILE}-${TIMESTAMP}.pem" >> "${DIRECTORY}/${EXTRA}-${TIMESTAMP}.pem"
+	done
+
+	ln -sf "${EXTRA}-${TIMESTAMP}.pem" "${DIRECTORY}/${EXTRA}.pem"
+done
+
+echo " done."