#!/bin/sh
+
+### BEGIN INIT INFO
+# Provides: nfs-common
+# Required-Start: $time
+# Required-Stop: $time
+# Default-Start: 2 3 4 5
+# Default-Stop: 0 1 6
+# Short-Description: NFS support files common to client and server
+# Description: NFS is a popular protocol for file sharing across
+# TCP/IP networks. This service provides various
+# support functions for NFS mounts.
+### END INIT INFO
+
+# What is this?
+DESC="NFS common utilities"
+
+# Read config
+DEFAULTFILE=/etc/default/nfs-common
+PREFIX=
+NEED_IDMAPD=
+NEED_GSSD=
+PIPEFS_MOUNTPOINT=/var/lib/nfs/rpc_pipefs
+RPCGSSDOPTS=
+if [ -f $DEFAULTFILE ]; then
+ . $DEFAULTFILE
+fi
+
+. /lib/lsb/init-functions
+
#
-# nfs-common This shell script takes care of starting and stopping
-# common daemons required for NFS clients and servers.
-#
-# chkconfig: 345 20 80
-# description: NFS is a popular protocol for file sharing across \
-# TCP/IP networks. This service provides NFS file \
-# locking functionality.
+# Parse the fstab file, and determine whether we need idmapd and gssd. (The
+# /etc/defaults settings, if any, will override our autodetection.) This code
+# is partially adapted from the mountnfs.sh script in the sysvinit package.
#
+AUTO_NEED_IDMAPD=no
+AUTO_NEED_GSSD=no
-PREFIX=
+if [ -f /etc/fstab ]; then
+ exec 9<&0 </etc/fstab
+
+ while read DEV MTPT FSTYPE OPTS REST
+ do
+ if [ "$FSTYPE" = "nfs4" ]; then
+ AUTO_NEED_IDMAPD=yes
+ fi
+ case "$OPTS" in
+ sec=krb5|*,sec=krb5|sec=krb5,*|*,sec=krb5i,*|sec=krb5i|*,sec=krb5i|sec=krb5i,*|*,sec=krb5i,*|sec=krb5p|*,sec=krb5p|sec=krb5p,*|*,sec=krb5p,*)
+ AUTO_NEED_GSSD=yes
+ ;;
+ esac
+ done
-NEED_LOCKD=yes
-if test -f /proc/ksyms
-then
- # We need to be conservative and run lockd,
- # unless we can prove that it isn't required.
- grep -q lockdctl /proc/ksyms || NEED_LOCKD=no
+ exec 0<&9 9<&-
fi
+#
+# We also need idmapd if we run an NFSv4 server. It's fairly difficult
+# to autodetect whether there are NFSv4 exports or not, and idmapd is not a
+# particularily heavy daemon, so we auto-enable it if we find an /etc/exports
+# file. This does not mean that there are NFSv4 or other mounts active (or
+# even that nfs-kernel-server is installed), but it matches what the "start"
+# condition in nfs-kernel-server's init script does, which has a value in
+# itself.
+#
+if [ -f /etc/exports ]; then
+ AUTO_NEED_IDMAPD=yes
+fi
+
+
+case "$NEED_IDMAPD" in
+ yes|no)
+ ;;
+ *)
+ NEED_IDMAPD=$AUTO_NEED_IDMAPD
+ ;;
+esac
+
+case "$NEED_GSSD" in
+ yes|no)
+ ;;
+ *)
+ NEED_GSSD=$AUTO_NEED_GSSD
+ ;;
+esac
+
+# Exit if required binaries are missing.
[ -x $PREFIX/sbin/rpc.statd ] || exit 0
-[ -x $PREFIX/sbin/rpc.lockd ] || [ "$NEED_LOCKD" = no ] || exit 0
+[ -x /usr/sbin/rpc.idmapd ] || [ "$NEED_IDMAPD" = no ] || exit 0
+[ -x /usr/sbin/rpc.gssd ] || [ "$NEED_GSSD" = no ] || exit 0
-# What is this?
-DESC="NFS common utilities"
+do_modprobe() {
+ if [ -x /sbin/modprobe -a -f /proc/modules ]
+ then
+ modprobe -q "$1" || true
+ fi
+}
+
+do_mount() {
+ if ! grep -E -qs "$1\$" /proc/filesystems
+ then
+ return 1
+ fi
+ if ! mountpoint -q "$2"
+ then
+ mount -t "$1" "$1" "$2"
+ return
+ fi
+ return 0
+}
-# Make sure that daemon cwds are in root fs.
-cd /
+do_umount() {
+ if mountpoint -q "$1"
+ then
+ umount "$1"
+ fi
+ return 0
+}
# See how we were called.
case "$1" in
start)
- printf "Starting $DESC:"
- printf " statd"
- start-stop-daemon --start --quiet \
- --exec $PREFIX/sbin/rpc.statd
- if [ "$NEED_LOCKD" = yes ]
+ log_daemon_msg "Starting $DESC"
+
+ log_progress_msg "statd"
+ start-stop-daemon --start --oknodo --quiet \
+ --exec $PREFIX/sbin/rpc.statd -- $STATDOPTS
+ if [ $? != 0 ]; then
+ log_end_msg $?
+ exit $?
+ fi
+
+ if [ "$NEED_IDMAPD" = yes ] || [ "$NEED_GSSD" = yes ]
then
- printf " lockd"
- start-stop-daemon --start --quiet \
- --exec $PREFIX/sbin/rpc.lockd
+ do_modprobe nfs
+ do_modprobe nfs4
+ if do_mount rpc_pipefs $PIPEFS_MOUNTPOINT
+ then
+ if [ "$NEED_IDMAPD" = yes ]
+ then
+ log_progress_msg "idmapd"
+ start-stop-daemon --start --oknodo --quiet \
+ --exec /usr/sbin/rpc.idmapd
+ if [ $? != 0 ]; then
+ log_end_msg $?
+ exit $?
+ fi
+ fi
+ if [ "$NEED_GSSD" = yes ]
+ then
+ do_modprobe rpcsec_gss_krb5
+ log_progress_msg "gssd"
+
+ # we need this available; better to fail now than
+ # mysteriously on the first mount
+ if ! grep -q -E '^nfs[ ]' /etc/services; then
+ log_action_end_msg 1 "broken /etc/services, please see /usr/share/doc/nfs-common/README.Debian.nfsv4"
+ exit 1
+ fi
+
+ start-stop-daemon --start --oknodo --quiet \
+ --exec /usr/sbin/rpc.gssd -- $RPCGSSDOPTS
+ if [ $? != 0 ]; then
+ log_end_msg $?
+ exit $?
+ fi
+ fi
+ fi
fi
- echo "."
+ log_end_msg 0
;;
stop)
- printf "Stopping $DESC:"
- if [ "$NEED_LOCKD" = yes ]
+ log_daemon_msg "Stopping $DESC"
+
+ if [ "$NEED_GSSD" = yes ]
+ then
+ log_progress_msg "gssd"
+ start-stop-daemon --stop --oknodo --quiet \
+ --name rpc.gssd
+ if [ $? != 0 ]; then
+ log_end_msg $?
+ exit $?
+ fi
+ fi
+ if [ "$NEED_IDMAPD" = yes ]
then
- printf " lockd"
+ log_progress_msg "idmapd"
start-stop-daemon --stop --oknodo --quiet \
- --exec $PREFIX/sbin/rpc.lockd
+ --name rpc.idmapd
+ if [ $? != 0 ]; then
+ log_end_msg $?
+ exit $?
+ fi
fi
- printf " statd"
+ log_progress_msg "statd"
start-stop-daemon --stop --oknodo --quiet \
- --exec $PREFIX/sbin/rpc.statd
- echo "."
+ --name rpc.statd
+ if [ $? != 0 ]; then
+ log_end_msg $?
+ exit $?
+ fi
+ do_umount $PIPEFS_MOUNTPOINT 2>/dev/null || true
+ log_end_msg 0
+ ;;
+
+ status)
+ if ! pidof rpc.statd >/dev/null
+ then
+ echo "rpc.statd not running"
+ exit 3
+ fi
+
+ if [ "$NEED_GSSD" = yes ]
+ then
+ if ! pidof rpc.gssd >/dev/null
+ then
+ echo "rpc.statd running, but rpc.gssd halted"
+ exit 3
+ fi
+ fi
+
+ if [ "$NEED_IDMAPD" = yes ]
+ then
+ if ! pidof rpc.idmapd >/dev/null
+ then
+ echo "rpc.statd running, but rpc.idmapd halted"
+ exit 3
+ fi
+ fi
+
+ echo "rpc.statd running"
+ exit 0
;;
restart | force-reload)
;;
*)
- echo "Usage: nfs-common {start|stop|restart}"
+ log_success_msg "Usage: nfs-common {start|stop|status|restart}"
exit 1
;;
esac