[pkg-dhcp-devel] Bug#590158: isc-dhcp-server: please consider accepting init.d patch to allow for temporarily different configuration

Marc Haber mh+debian-bugs at zugschlus.de
Sat Jul 24 10:14:32 UTC 2010

Package: isc-dhcp-server
Version: 4.1.1-P1-8
Severity: wishlist


this is #565650 adapted to isc-dhcp-server 4.1.1

the attached patch will extend the isc-dhcp-server init script to accept
a second command line command, selecting a totally different
configuration file with a suffix.

/etc/init.d/isc-dhcp-server start
has identical behavior (and the expected behavior),
/etc/init.d/isc-dhcp-server start somesuffix
will start the DHCP server on the interfaces listed in
INTERFACES_somesuffix in /etc/default/isc-dhcp-server with the config
file read from /etc/dhcp/dhcpd-somesuffix.conf

This allows to run the DHCP server with a completely different
configuration for debugging or testing purposes while leaving the
original configuration unaltered. This prevents issues from happening
where a testing DHCP server remains running and the notebook is then
plugged into a productive network, as it makes sure that the original
configuration stays intact and does not need to be manually put back.

Please consider accepting the patch.

-------------- next part --------------
--- dhcp3-server.dpkg-dist	2009-07-15 08:28:07.000000000 +0200
+++ dhcp3-server	2010-01-17 18:37:31.000000000 +0100
@@ -35,13 +35,24 @@
 DESC="DHCP server"
+if [ -n "$2" ]; then
+  SUFFIX="$2"
+  DESC="DHCP server suffix $SUFFIX"
+  DHCPDPID=/var/run/dhcpd-$SUFFIX.pid
+  CONFIGFILE=/etc/dhcp3/dhcpd-$SUFFIX.conf
-	if ! /usr/sbin/dhcpd3 -t -q > /dev/null 2>&1; then
+	if ! /usr/sbin/dhcpd3 -cf $CONFIGFILE -t -q > /dev/null 2>&1; then
 		echo "dhcpd self-test failed. Please fix the config file."
 		echo "The error was: "
-		/usr/sbin/dhcpd3 -t
+		/usr/sbin/dhcpd3 -cf $CONFIGFILE -t
 		exit 1
@@ -67,7 +78,7 @@
 		log_daemon_msg "Starting $DESC" "$NAME"
 		start-stop-daemon --start --quiet --pidfile $DHCPDPID \
-			--exec /usr/sbin/dhcpd3 -- -q $INTERFACES
+			--exec /usr/sbin/dhcpd3 -- -pf $DHCPDPID -cf $CONFIGFILE -q $IFCS
 		sleep 2
 		if check_status -q; then

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