# locking functionality.
#
-PREFIX=
+set -e
-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
+# What is this?
+DESC="NFS common utilities"
+
+# Read config
+DEFAULTFILE=/etc/default/nfs-common
+PREFIX=
+NEED_LOCKD=
+NEED_IDMAPD=
+IDMAPD_PIDFILE=/var/run/rpc.idmapd.pid
+NEED_GSSD=
+GSSD_PIDFILE=/var/run/rpc.gssd.pid
+PIPEFS_MOUNTPOINT=/var/lib/nfs/rpc_pipefs
+RPCGSSDOPTS=
+if [ -f $DEFAULTFILE ]; then
+ . $DEFAULTFILE
fi
+# Determine whether lockd daemon is required.
+case "$NEED_LOCKD" in
+yes|no) ;;
+*) case `uname -r` in
+ '' | [01].* | 2.[0123].* )
+ # Older kernels may or may not need a lockd daemon.
+ # We must assume they do, unless we can prove otherwise.
+ # (A false positive here results only in a harmless message.)
+ NEED_LOCKD=yes
+ if test -f /proc/ksyms
+ then
+ grep -q lockdctl /proc/ksyms || NEED_LOCKD=no
+ fi
+ ;;
+
+ *) # Modern kernels (>= 2.4) start a lockd thread automatically.
+ NEED_LOCKD=no
+ ;;
+ esac
+ ;;
+esac
+
+#
+# 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
+
+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
+
+exec 0<&9 9<&-
+
+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 $PREFIX/sbin/rpc.lockd ] || [ "$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() {
+ modprobe -q "$1" || true
+}
-# Make sure that daemon cwds are in root fs.
-cd /
+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
+}
+
+do_umount() {
+ if mountpoint -q "$1"
+ then
+ umount "$1"
+ fi
+ return 0
+}
# See how we were called.
case "$1" in
start)
+ cd / # daemons should have root dir as cwd
printf "Starting $DESC:"
printf " statd"
start-stop-daemon --start --quiet \
- --exec $PREFIX/sbin/rpc.statd
+ --exec $PREFIX/sbin/rpc.statd -- $STATDOPTS
if [ "$NEED_LOCKD" = yes ]
then
printf " lockd"
start-stop-daemon --start --quiet \
- --exec $PREFIX/sbin/rpc.lockd
+ --exec $PREFIX/sbin/rpc.lockd || true
+ fi
+ if [ "$NEED_IDMAPD" = yes ] || [ "$NEED_GSSD" = yes ]
+ then
+ do_modprobe nfs
+ do_modprobe nfs4
+ if do_mount rpc_pipefs $PIPEFS_MOUNTPOINT
+ then
+ if [ "$NEED_IDMAPD" = yes ]
+ then
+ printf " idmapd"
+ start-stop-daemon --start --quiet \
+ --make-pidfile --pidfile $IDMAPD_PIDFILE \
+ --exec /usr/sbin/rpc.idmapd
+ fi
+ if [ "$NEED_GSSD" = yes ]
+ then
+ do_modprobe rpcsec_gss_krb5
+ printf " gssd"
+ start-stop-daemon --start --quiet \
+ --make-pidfile --pidfile $GSSD_PIDFILE \
+ --exec /usr/sbin/rpc.gssd -- $RPCGSSDOPTS
+ fi
+ fi
fi
echo "."
;;
stop)
printf "Stopping $DESC:"
+ if [ "$NEED_GSSD" = yes ]
+ then
+ printf " gssd"
+ start-stop-daemon --stop --oknodo --quiet \
+ --name rpc.gssd
+ rm -f $GSSD_PIDFILE
+ fi
+ if [ "$NEED_IDMAPD" = yes ]
+ then
+ printf " idmapd"
+ start-stop-daemon --stop --oknodo --quiet \
+ --name rpc.idmapd
+ rm -f $IDMAPD_PIDFILE
+ fi
if [ "$NEED_LOCKD" = yes ]
then
printf " lockd"
start-stop-daemon --stop --oknodo --quiet \
- --name lockd --user root --signal 9
+ --name rpc.lockd || true
+ else
+ pkill -KILL -u root -x lockd || true
fi
printf " statd"
start-stop-daemon --stop --oknodo --quiet \
- --exec $PREFIX/sbin/rpc.statd
+ --name rpc.statd
+ do_umount $PIPEFS_MOUNTPOINT 2>/dev/null || true
echo "."
;;