debian/nfs-common.init

   1 #!/bin/bash
   2
   3 ### BEGIN INIT INFO
   4 # Provides:          nfs-common
   5 # Required-Start:    $portmap $time
   6 # Required-Stop:     $time
   7 # Default-Start:     S
   8 # Default-Stop:      0 1 6
   9 # Short-Description: NFS support files common to client and server
  10 # Description:       NFS is a popular protocol for file sharing across
  11 #                    TCP/IP networks. This service provides various
  12 #                    support functions for NFS mounts.
  13 ### END INIT INFO
  14
  15 # What is this?
  16 DESC="NFS common utilities"
  17
  18 # Read config
  19 DEFAULTFILE=/etc/default/nfs-common
  20 NEED_STATD=
  21 NEED_GSSD=
  22 PIPEFS_MOUNTPOINT=/run/rpc_pipefs
  23 RPCGSSDOPTS=
  24 if [ -f $DEFAULTFILE ]; then
  25     . $DEFAULTFILE
  26 fi
  27
  28 . /lib/lsb/init-functions
  29
  30 # Exit if required binaries are missing.
  31 [ -x /sbin/rpc.statd ] || exit 0
  32
  33 #
  34 # Parse the fstab file, and determine whether we need gssd. (The
  35 # /etc/defaults settings, if any, will override our autodetection.) This code
  36 # is partially adapted from the mountnfs.sh script in the sysvinit package.
  37 #
  38 AUTO_NEED_GSSD=no
  39
  40 if [ -f /etc/fstab ]; then
  41     exec 9<&0 </etc/fstab
  42
  43     while read DEV MTPT FSTYPE OPTS REST
  44     do
  45         case $DEV in
  46             ''|\#*)
  47                 continue
  48                 ;;
  49         esac
  50         OLDIFS="$IFS"
  51         IFS=","
  52         for OPT in $OPTS; do
  53             case "$OPT" in
  54                 sec=krb5|sec=krb5i|sec=krb5p)
  55                     AUTO_NEED_GSSD=yes
  56                 ;;
  57             esac
  58         done
  59         IFS="$OLDIFS"
  60     done
  61
  62     exec 0<&9 9<&-
  63 fi
  64
  65 case "$NEED_STATD" in
  66     yes|no)
  67         ;;
  68     *)
  69         NEED_STATD=yes
  70         ;;
  71 esac
  72
  73 case "$NEED_IDMAPD" in
  74     yes|no)
  75         ;;
  76     *)
  77         NEED_IDMAPD=yes
  78         ;;
  79 esac
  80
  81 case "$NEED_GSSD" in
  82     yes|no)
  83         ;;
  84     *)
  85         NEED_GSSD=$AUTO_NEED_GSSD
  86         ;;
  87 esac
  88
  89 do_modprobe() {
  90     if [ -x /sbin/modprobe -a -f /proc/modules ]
  91     then
  92         modprobe -q "$1" || true
  93     fi
  94 }
  95
  96 do_mount() {
  97     if ! grep -E -qs "$1\$" /proc/filesystems
  98     then
  99         return 1
 100     fi
 101     if ! mountpoint -q "$2"
 102     then
 103         mount -t "$1" "$1" "$2"
 104         return
 105     fi
 106     return 0
 107 }
 108
 109 do_umount() {
 110     if mountpoint -q "$1"
 111     then
 112         umount "$1"
 113     fi
 114     return 0
 115 }
 116
 117 # See how we were called.
 118 case "$1" in
 119   start)
 120         log_daemon_msg "Starting $DESC"
 121
 122         if [ "$NEED_STATD" = yes ]; then
 123             log_progress_msg "statd"
 124
 125             # See if rpcbind is running
 126             if [ -x /usr/sbin/rpcinfo ]; then
 127                 /usr/sbin/rpcinfo -p >/dev/null 2>&1
 128                 RET=$?
 129                 if [ $RET != 0 ]; then
 130                    echo
 131                    log_warning_msg "Not starting: portmapper is not running"
 132                    exit 0
 133                 fi
 134             fi
 135             start-stop-daemon --start --oknodo --quiet \
 136                 --pidfile /run/rpc.statd.pid \
 137                 --exec /sbin/rpc.statd -- $STATDOPTS
 138             RET=$?
 139             if [ $RET != 0 ]; then
 140                 log_end_msg $RET
 141                 exit $RET
 142             else
 143                 if [ -d /run/sendsigs.omit.d ]; then
 144                     rm -f /run/sendsigs.omit.d/statd
 145                     ln -s /run/rpc.statd.pid /run/sendsigs.omit.d/statd
 146                 fi
 147             fi
 148         fi
 149
 150         # Don't start idmapd and gssd if we don't have them (say, if /usr is not
 151         # up yet).
 152         [ -x /usr/sbin/rpc.idmapd ] || NEED_IDMAPD=no
 153         [ -x /usr/sbin/rpc.gssd   ] || NEED_GSSD=no
 154
 155         if [ "$NEED_IDMAPD" = yes ] || [ "$NEED_GSSD" = yes ]
 156         then
 157             do_modprobe sunrpc
 158             do_modprobe nfs
 159             do_modprobe nfsd
 160             mkdir -p "$PIPEFS_MOUNTPOINT"
 161             if do_mount rpc_pipefs $PIPEFS_MOUNTPOINT
 162             then
 163                 if [ "$NEED_IDMAPD" = yes ]
 164                 then
 165                     log_progress_msg "idmapd"
 166                     start-stop-daemon --start --oknodo --quiet \
 167                             --exec /usr/sbin/rpc.idmapd
 168                     RET=$?
 169                     if [ $RET != 0 ]; then
 170                         log_end_msg $RET
 171                         exit $RET
 172                     fi
 173                 fi
 174                 if [ "$NEED_GSSD" = yes ]
 175                 then
 176                     do_modprobe rpcsec_gss_krb5
 177                     log_progress_msg "gssd"
 178
 179                     # we need this available; better to fail now than
 180                     # mysteriously on the first mount
 181                     if ! grep -q -E '^nfs[       ]' /etc/services; then
 182                         log_action_end_msg 1 "broken /etc/services, please see /usr/share/doc/nfs-common/README.Debian.nfsv4"
 183                         exit 1
 184                     fi
 185
 186                     start-stop-daemon --start --oknodo --quiet \
 187                             --exec /usr/sbin/rpc.gssd -- $RPCGSSDOPTS
 188                     RET=$?
 189                     if [ $RET != 0 ]; then
 190                         log_end_msg $RET
 191                         exit $RET
 192                     fi
 193                 fi
 194             fi
 195         fi
 196         log_end_msg 0
 197         ;;
 198
 199   stop)
 200         log_daemon_msg "Stopping $DESC"
 201
 202         if [ "$NEED_GSSD" = yes ]
 203         then
 204             log_progress_msg "gssd"
 205             start-stop-daemon --stop --oknodo --quiet \
 206                     --name rpc.gssd
 207             RET=$?
 208             if [ $RET != 0 ]; then
 209                 log_end_msg $RET
 210                 exit $RET
 211             fi
 212         fi
 213         if [ "$NEED_IDMAPD" = yes ]
 214         then
 215             log_progress_msg "idmapd"
 216             start-stop-daemon --stop --oknodo --quiet \
 217                 --name rpc.idmapd
 218             RET=$?
 219             if [ $RET != 0 ]; then
 220                 log_end_msg $RET
 221                 exit $RET
 222             fi
 223         fi
 224         if [ "$NEED_STATD" = yes ]
 225         then
 226             log_progress_msg "statd"
 227             start-stop-daemon --stop --oknodo --quiet \
 228                 --name rpc.statd
 229             RET=$?
 230             if [ $RET != 0 ]; then
 231                 log_end_msg $RET
 232                 exit $RET
 233             fi
 234         fi
 235         do_umount $PIPEFS_MOUNTPOINT 2>/dev/null || true
 236         log_end_msg 0
 237         ;;
 238
 239   status)
 240         if [ "$NEED_STATD" = yes ]
 241         then
 242             if ! pidof rpc.statd >/dev/null
 243             then
 244                 echo "rpc.statd not running"
 245                 exit 3
 246             fi
 247         fi
 248
 249         if [ "$NEED_GSSD" = yes ]
 250         then
 251             if ! pidof rpc.gssd >/dev/null
 252             then
 253                 echo "rpc.gssd not running"
 254                 exit 3
 255             fi
 256         fi
 257
 258         if [ "$NEED_IDMAPD" = yes ]
 259         then
 260             if ! pidof rpc.idmapd >/dev/null
 261             then
 262                 echo "rpc.idmapd not running"
 263                 exit 3
 264             fi
 265         fi
 266
 267         echo "all daemons running"
 268         exit 0
 269         ;;
 270
 271   restart | force-reload)
 272         $0 stop
 273         sleep 1
 274         $0 start
 275         ;;
 276
 277   *)
 278         log_success_msg "Usage: nfs-common {start|stop|status|restart}"
 279         exit 1
 280         ;;
 281 esac
 282
 283 exit 0