From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sat, 23 Jun 2012 10:29:07 +0000 (+0000)
Subject: ppp: Make up/down scripts usable for other things.
X-Git-Tag: 004~16
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e814246d9b3b9c9af511b4837da579a2059a0fe3;p=network.git

ppp: Make up/down scripts usable for other things.

If there is no such zone, we don't do anything.
---

diff --git a/ppp/ip-updown b/ppp/ip-updown
index 7871681c..3d2cfc5b 100755
--- a/ppp/ip-updown
+++ b/ppp/ip-updown
@@ -31,19 +31,28 @@ done
 
 # Zone equals IFNAME
 ZONE=${PPP_IFNAME}
-
 assert isset ZONE
-assert zone_exists ${ZONE}
 
-HOOK=$(zone_get_hook ${ZONE})
+# If the given device is a known zone, we will call the required
+# hook methods. If we don't know about any zone with name ${ZONE},
+# we do nothing.
+
+if zone_exists ${ZONE}; then
+	HOOK=$(zone_get_hook ${ZONE})
+
+	assert isset HOOK
+	assert hook_zone_exists ${HOOK}
+
+	PROGNAME=$(basename ${0})
+	assert isset PROGNAME
 
-assert isset HOOK
-assert hook_zone_exists ${HOOK}
+	log DEBUG "${PROGNAME} was called with the following parameters:"
+	log DEBUG "  $@"
 
-PROGNAME=$(basename ${0})
-assert isset PROGNAME
+	hook_zone_exec ${HOOK} ppp-${PROGNAME} ${ZONE}
+	local ret=$?
 
-log DEBUG "${PROGNAME} was called with the following parameters:"
-log DEBUG "  $@"
+	exit ${ret}
+fi
 
-hook_zone_exec ${HOOK} ppp-${PROGNAME} ${ZONE}
+exit ${EXIT_OK}