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#!/bin/bash
### BEGIN INIT INFO
# Provides: nfs-common
# Required-Start: $portmap $time
# Required-Stop: $time
# Default-Start: S
# 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
NEED_STATD=
NEED_GSSD=
PIPEFS_MOUNTPOINT=/run/rpc_pipefs
if [ -f $DEFAULTFILE ]; then
. $DEFAULTFILE
fi
. /lib/lsb/init-functions
# Exit if required binaries are missing.
[ -x /usr/sbin/rpc.statd ] || exit 0
#
# Parse the fstab file, and determine whether we need 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_GSSD=no
if [ -f /etc/fstab ]; then
exec 9<&0 </etc/fstab
while read -r DEV _ _ OPTS _
do
case $DEV in
''|\#*)
continue
;;
esac
OLDIFS="$IFS"
IFS=","
for OPT in $OPTS; do
case "$OPT" in
sec=krb5|sec=krb5i|sec=krb5p)
AUTO_NEED_GSSD=yes
;;
esac
done
IFS="$OLDIFS"
done
exec 0<&9 9<&-
fi
case "$NEED_STATD" in
yes|no)
;;
*)
NEED_STATD=yes
;;
esac
case "$NEED_IDMAPD" in
yes|no)
;;
*)
NEED_IDMAPD=yes
;;
esac
case "$NEED_GSSD" in
yes|no)
;;
*)
NEED_GSSD=$AUTO_NEED_GSSD
;;
esac
do_modprobe() {
if [ -x /sbin/modprobe ] && [ -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
}
do_umount() {
if mountpoint -q "$1"
then
umount "$1"
fi
return 0
}
# See how we were called.
case "$1" in
start)
log_daemon_msg "Starting $DESC"
if [ "$NEED_STATD" = yes ]; then
log_progress_msg "statd"
# See if rpcbind is running
if [ -x /usr/sbin/rpcinfo ]; then
/usr/sbin/rpcinfo -p >/dev/null 2>&1
RET=$?
if [ $RET != 0 ]; then
echo
log_warning_msg "Not starting: portmapper is not running"
exit 0
fi
fi
start-stop-daemon --start --oknodo --quiet \
--pidfile /run/rpc.statd.pid \
--exec /usr/sbin/rpc.statd
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
else
if [ -d /run/sendsigs.omit.d ]; then
rm -f /run/sendsigs.omit.d/statd
ln -s /run/rpc.statd.pid /run/sendsigs.omit.d/statd
fi
fi
fi
# Don't start idmapd and gssd if we don't have them (say, if /usr is not
# up yet).
[ -x /usr/sbin/rpc.idmapd ] || NEED_IDMAPD=no
[ -x /usr/sbin/rpc.gssd ] || NEED_GSSD=no
if [ "$NEED_IDMAPD" = yes ] || [ "$NEED_GSSD" = yes ]
then
do_modprobe sunrpc
do_modprobe nfs
do_modprobe nfsd
mkdir -p "$PIPEFS_MOUNTPOINT"
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
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
fi
if [ "$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
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
fi
fi
fi
log_end_msg 0
;;
stop)
log_daemon_msg "Stopping $DESC"
if [ "$NEED_GSSD" = yes ]
then
log_progress_msg "gssd"
start-stop-daemon --stop --oknodo --quiet \
--name rpc.gssd
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
fi
if [ "$NEED_IDMAPD" = yes ]
then
log_progress_msg "idmapd"
start-stop-daemon --stop --oknodo --quiet \
--name rpc.idmapd
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
fi
if [ "$NEED_STATD" = yes ]
then
log_progress_msg "statd"
start-stop-daemon --stop --oknodo --quiet \
--name rpc.statd
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
fi
do_umount $PIPEFS_MOUNTPOINT 2>/dev/null || true
log_end_msg 0
;;
status)
if [ "$NEED_STATD" = yes ]
then
if ! pidof rpc.statd >/dev/null
then
echo "rpc.statd not running"
exit 3
fi
fi
if [ "$NEED_GSSD" = yes ]
then
if ! pidof rpc.gssd >/dev/null
then
echo "rpc.gssd not running"
exit 3
fi
fi
if [ "$NEED_IDMAPD" = yes ]
then
if ! pidof rpc.idmapd >/dev/null
then
echo "rpc.idmapd not running"
exit 3
fi
fi
echo "all daemons running"
exit 0
;;
restart | force-reload)
$0 stop
sleep 1
$0 start
;;
*)
log_success_msg "Usage: nfs-common {start|stop|status|restart}"
exit 1
;;
esac
exit 0
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