mount nfsd filesystem at startup, and unmount afterwards

5 files changed, 31 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index f7ec2da..0ebb3d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2004-08-31 NeilBrown <neilb@cse.unsw.edu.au>
+
+	* debian/nfs-kernel-server.init(start,stop) mount the nfsd
+	filesystem, if available, before starting nfs services, and 
+	unmount it afterwards.
+	* etc/nodist/nfs-server: ditto
+	* etc/redhat/nfs.init: likewise
+	* etc/redhat/nfs: add "MOUNT_NFSD" flag to control above.
+	
 2004-06-08 NeilBrown <neilb@cse.unsw.edu.au>
 
 	* utils/exportfs/exportfs.c: Don't rmtab_read if new_cache, it
diff --git a/debian/nfs-kernel-server.init b/debian/nfs-kernel-server.init
index 0894f20..e800267 100755
--- a/debian/nfs-kernel-server.init
+++ b/debian/nfs-kernel-server.init
@@ -35,6 +35,11 @@ case "$1" in
 	cd /	# daemons should have root dir as cwd
 	if grep -q '^/' /etc/exports
 	then
+	        # Having the 'nfsd' filesystem mounted (if available)
+	        # make client authentication more reliable.
+	        if [ -d /proc/fs/nfsd -a ! -f /proc/fs/nfsd/exports ]
+		then mount -t nfsd nfsd /proc/fs/nfsd
+		fi
 		printf "Exporting directories for $DESC..."
 		$PREFIX/sbin/exportfs -r
 		echo "done."
@@ -80,6 +85,7 @@ case "$1" in
 
 	printf "Unexporting directories for $DESC..."
 	$PREFIX/sbin/exportfs -au
+	if [ -f /proc/fs/nfsd/exports ] ; then umount /proc/fs/nfsd; fi
 	echo "done."
 	;;
 
diff --git a/etc/nodist/nfs-server b/etc/nodist/nfs-server
index 8f1d34b..f164884 100755
--- a/etc/nodist/nfs-server
+++ b/etc/nodist/nfs-server
@@ -46,6 +46,10 @@ DESC="NFS kernel daemon"
 # Handle how we were called.
 case "$1" in
 start)
+    if [ -d /proc/fs/nfsd -a ! -f /proc/fs/nfsd/exports ] ;
+    then
+         /bin/mount -t nfsd nfsd /proc/fs/nfsd
+    fi
     echo -n "Exporting directories for $DESC..."
     $EXPORTFS -r
     echo "done."
@@ -97,12 +101,14 @@ stop)
 
     echo "Unexporting directories for $DESC..."
     $EXPORTFS -au
+    if [ -f /proc/fs/nfsd/exports ] ; then /bin/umount -t nfsd nfsd /proc/fs/nfsd ; fi
     rm -f /var/lock/subsys/$SCRIPT_NAME 
     echo "done."
     ;;
 
 restart)
     $0 stop
+    sleep 1
     $0 start
     ;;
 
diff --git a/etc/redhat/nfs b/etc/redhat/nfs
index 5e21f1f..2ace4cd 100644
--- a/etc/redhat/nfs
+++ b/etc/redhat/nfs
@@ -29,3 +29,6 @@
 # TUNE_QUEUE to yes will set the values to 256kb.
 # TUNE_QUEUE="yes"
 # NFS_QS=262144
+
+# Mount /proc/fs/nfsd (2.6 kernel only)
+MOUNT_NFSD="yes"
diff --git a/etc/redhat/nfs.init b/etc/redhat/nfs.init
index ac45937..1ac4213 100755
--- a/etc/redhat/nfs.init
+++ b/etc/redhat/nfs.init
@@ -50,9 +50,13 @@ if [ "$TUNE_QUEUE" = "yes" ]; then
     [ -z "$NFS_QS" ] && NFS_QS=262144
 fi
 
+
 # See how we were called.
 case "$1" in
   start)
+	if [ -d /proc/fs/nfsd -a "$MOUNT_NFSD" = "yes" ] ; then
+	    /bin/mount -t nfsd nfsd /proc/fs/nfsd
+	fi
 	# Start daemons.
 	# Apply input queue increase for nfs server
 	if [ "$TUNE_QUEUE" = "yes" ]; then
@@ -144,6 +148,9 @@ case "$1" in
 	# Do it the last so that clients can still access the server
 	# when the server is running.
 	action "Shutting down NFS services: " /usr/sbin/exportfs -au
+	if [ -d /proc/fs/nfsd -a "$MOUNT_NFSD" = "yes" ] ; then
+		/bin/umount /proc/fs/nfsd
+	fi
 	rm -f /var/lock/subsys/nfs
 	;;
   status)