From e051d3772012e97cbaec219ba5fefa453f1907c0 Mon Sep 17 00:00:00 2001
From: Florian Eckert <fe@dev.tdt.de>
Date: Wed, 9 Sep 2020 17:27:12 +0200
Subject: ddns-scripts: update bind-nsupdate to json

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
---
 .../files/usr/lib/ddns/update_nsupdate.sh          | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 net/ddns-scripts/files/usr/lib/ddns/update_nsupdate.sh

(limited to 'net/ddns-scripts/files/usr/lib')

diff --git a/net/ddns-scripts/files/usr/lib/ddns/update_nsupdate.sh b/net/ddns-scripts/files/usr/lib/ddns/update_nsupdate.sh
new file mode 100644
index 000000000..039196ff8
--- /dev/null
+++ b/net/ddns-scripts/files/usr/lib/ddns/update_nsupdate.sh
@@ -0,0 +1,48 @@
+#
+#.Distributed under the terms of the GNU General Public License (GPL) version 2.0
+#
+# The script directly updates a PowerDNS (or maybe bind server) via nsupdate from bind-client package.
+#.based on github request #957 by Jan Riechers <de at r-jan dot de>
+#.2015 Christian Schoenebeck <christian dot schoenebeck at gmail dot com>
+#
+# This script is parsed by dynamic_dns_functions.sh inside send_update() function
+#
+# using following options from /etc/config/ddns
+# option username   - keyname 
+# option password   - shared secret (base64 encoded)
+# option domain     - full qualified domain to update
+# option dns_server - DNS server to update
+#
+# variable __IP already defined with the ip-address to use for update
+#
+local __TTL=600		#.preset DNS TTL (in seconds)
+local __RRTYPE __PW __TCP
+local __PROG=$(command -v nsupdate)			# BIND nsupdate ?
+[ -z "$__PROG" ] && __PROG=$(command -v knsupdate)	# Knot nsupdate ?
+
+[ -z "$__PROG" ]     && write_log 14 "'nsupdate' or 'knsupdate' not installed !"
+[ -z "$username" ]   && write_log 14 "Service section not configured correctly! Missing 'username'"
+[ -z "$password" ]   && write_log 14 "Service section not configured correctly! Missing 'password'"
+[ -z "$dns_server" ] && write_log 14 "Service section not configured correctly! Missing 'dns_server'"
+
+[ $use_ipv6 -ne 0 ] && __RRTYPE="AAAA" || __RRTYPE="A"
+[ $force_dnstcp -ne 0 ] && __TCP="-v" || __TCP=""
+
+# create command file
+cat >$DATFILE <<-EOF
+server $dns_server
+key $username $password
+update del $domain $__RRTYPE
+update add $domain $__TTL $__RRTYPE $__IP
+show
+send
+answer
+quit
+EOF
+
+$__PROG -d $__TCP $DATFILE >$ERRFILE 2>&1
+
+# nsupdate always return success
+write_log 7 "(k)nsupdate reports:${N}$(cat $ERRFILE)"
+
+return 0
-- 
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