From: Jonatan Schlag <jonatan.schlag@ipfire.org>
Date: Tue, 4 Jul 2017 15:46:09 +0000 (+0200)
Subject: ipv6-dhcp: prevent multiple configs for the same zone
X-Git-Tag: 009~198
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b5b388e95680f0f27627f882c56903e60d85b53;p=network.git

ipv6-dhcp: prevent multiple configs for the same zone

It is senseless to configure the ipv6-dhcp hook
multiple times for a zone.

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/hooks/configs/ipv6-dhcp b/src/hooks/configs/ipv6-dhcp
index 03dbbf05..74ec7658 100644
--- a/src/hooks/configs/ipv6-dhcp
+++ b/src/hooks/configs/ipv6-dhcp
@@ -27,6 +27,11 @@ hook_new() {
 	local zone="${1}"
 	shift
 
+	if zone_config_hook_is_configured ${zone} "ipv6-dhcp"; then
+		log ERROR "You can configure the ipv6-dhcp hook only once for a zone"
+		return ${EXIT_ERROR}
+	fi
+
 	zone_config_settings_write "${zone}" "${HOOK}"
 
 	exit ${EXIT_OK}