Merging upstream version 20210904.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 33 insertions, 5 deletions

diff --git a/dehydrated/bin/dehydrated-nsupdate b/dehydrated/bin/dehydrated-nsupdate
index f901d2e..ec8cf7f 100755
--- a/dehydrated/bin/dehydrated-nsupdate
+++ b/dehydrated/bin/dehydrated-nsupdate
@@ -1,5 +1,24 @@
 #!/bin/sh
 
+# Open Infrastructure: service-tools
+
+# Copyright (C) 2014-2021 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
 
 HOOK="$(basename "${0}")"
@@ -50,18 +69,27 @@ else
 	exit 1
 fi
 
+# config
+for FILE in /etc/default/dehydrated-nsupdate /etc/default/dehydrated-nsupdate.d/*
+do
+	if [ -e "${FILE}" ]
+	then
+		. "${FILE}"
+	fi
+done
+
 # find txt record to update
 CNAME="$(${DIG} "_acme-challenge.${DOMAIN}" 2>&1 | awk '/CNAME/ { print $5 }' | tail -n1)"
 
 if [ -n "${CNAME}" ]
 then
-	UPDATE_DOMAIN="${CNAME}"
+	TXT_RECORD="${CNAME}"
 else
-	UPDATE_DOMAIN="_acme-challenge.${DOMAIN}"
+	TXT_RECORD="_acme-challenge.${DOMAIN}"
 fi
 
 # find nameservers to update
-ZONE="${UPDATE_DOMAIN}"
+ZONE="${TXT_RECORD}"
 
 while true
 do
@@ -80,12 +108,12 @@ NAMESERVERS="$(${DIG} +short NS "${ZONE}")"
 # update nameservers
 for NAMESERVER in ${NAMESERVERS}
 do
-	echo -n " + Adding TXT record (${UPDATE_DOMAIN})..."
+	echo -n "   + sending '${HOOK_ACTION}' for ${TXT_RECORD} to ${NAMESERVER}..."
 
 echo "server ${NAMESERVER}
 zone ${ZONE}
 ttl 0
-update ${HOOK_ACTION} ${UPDATE_DOMAIN} 0 TXT ${TOKEN_VALUE}
+update ${HOOK_ACTION} ${TXT_RECORD} 0 TXT ${TOKEN_VALUE}
 send" | "${NSUPDATE}"
 
 	echo " done."