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:     2 3 4 5 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 $DEV in
  46             ''|\#*)
  47                 continue
  48                 ;;
  49         esac
  50         case "$OPTS" in
  51
  52             sec=krb5|*,sec=krb5|sec=krb5,*|*,sec=krb5i,*|sec=krb5i|*,sec=krb5i|sec=krb5i,*|*,sec=krb5i,*|sec=krb5p|*,sec=krb5p|sec=krb5p,*|*,sec=krb5p,*)
  53             AUTO_NEED_GSSD=yes
  54             ;;
  55         esac
  56     done
  57
  58     exec 0<&9 9<&-
  59 fi
  60
  61 case "$NEED_STATD" in
  62     yes|no)
  63         ;;
  64     *)
  65         NEED_STATD=yes
  66         ;;
  67 esac
  68
  69 case "$NEED_IDMAPD" in
  70     yes|no)
  71         ;;
  72     *)
  73         NEED_IDMAPD=yes
  74         ;;
  75 esac
  76
  77 case "$NEED_GSSD" in
  78     yes|no)
  79         ;;
  80     *)
  81         NEED_GSSD=$AUTO_NEED_GSSD
  82         ;;
  83 esac
  84
  85 do_modprobe() {
  86     if [ -x /sbin/modprobe -a -f /proc/modules ]
  87     then
  88         modprobe -q "$1" || true
  89     fi
  90 }
  91
  92 do_mount() {
  93     if ! grep -E -qs "$1\$" /proc/filesystems
  94     then
  95         return 1
  96     fi
  97     if ! mountpoint -q "$2"
  98     then
  99         mount -t "$1" "$1" "$2"
 100         return
 101     fi
 102     return 0
 103 }
 104
 105 do_umount() {
 106     if mountpoint -q "$1"
 107     then
 108         umount "$1"
 109     fi
 110     return 0
 111 }
 112
 113 # See how we were called.
 114 case "$1" in
 115   start)
 116         log_daemon_msg "Starting $DESC"
 117
 118         if [ "$NEED_STATD" = yes ]; then
 119             log_progress_msg "statd"
 120
 121             # See if rpcbind is running
 122             if [ -x /usr/sbin/rpcinfo ]; then
 123                 /usr/sbin/rpcinfo -p >/dev/null 2>&1
 124                 RET=$?
 125                 if [ $RET != 0 ]; then
 126                    echo
 127                    log_warning_msg "Not starting: portmapper is not running"
 128                    exit 0
 129                 fi
 130             fi
 131             start-stop-daemon --start --oknodo --quiet \
 132                 --pidfile /var/run/rpc.statd.pid \
 133                 --exec /sbin/rpc.statd -- $STATDOPTS
 134             RET=$?
 135             if [ $RET != 0 ]; then
 136                 log_end_msg $RET
 137                 exit $RET
 138             else
 139                 if [ -d /run/sendsigs.omit.d ]; then
 140                     rm -f /run/sendsigs.omit.d/statd
 141                     ln -s /var/run/rpc.statd.pid /run/sendsigs.omit.d/statd
 142                 fi
 143             fi
 144         fi
 145
 146         # Don't start idmapd and gssd if we don't have them (say, if /usr is not
 147         # up yet).
 148         [ -x /usr/sbin/rpc.idmapd ] || NEED_IDMAPD=no
 149         [ -x /usr/sbin/rpc.gssd   ] || NEED_GSSD=no
 150
 151         if [ "$NEED_IDMAPD" = yes ] || [ "$NEED_GSSD" = yes ]
 152         then
 153             do_modprobe sunrpc
 154             do_modprobe nfs
 155             do_modprobe nfsd
 156             mkdir -p "$PIPEFS_MOUNTPOINT"
 157             if do_mount rpc_pipefs $PIPEFS_MOUNTPOINT
 158             then
 159                 if [ "$NEED_IDMAPD" = yes ]
 160                 then
 161                     log_progress_msg "idmapd"
 162                     start-stop-daemon --start --oknodo --quiet \
 163                             --exec /usr/sbin/rpc.idmapd
 164                     RET=$?
 165                     if [ $RET != 0 ]; then
 166                         log_end_msg $RET
 167                         exit $RET
 168                     fi
 169                 fi
 170                 if [ "$NEED_GSSD" = yes ]
 171                 then
 172                     do_modprobe rpcsec_gss_krb5
 173                     log_progress_msg "gssd"
 174
 175                     # we need this available; better to fail now than
 176                     # mysteriously on the first mount
 177                     if ! grep -q -E '^nfs[       ]' /etc/services; then
 178                         log_action_end_msg 1 "broken /etc/services, please see /usr/share/doc/nfs-common/README.Debian.nfsv4"
 179                         exit 1
 180                     fi
 181
 182                     start-stop-daemon --start --oknodo --quiet \
 183                             --exec /usr/sbin/rpc.gssd -- $RPCGSSDOPTS
 184                     RET=$?
 185                     if [ $RET != 0 ]; then
 186                         log_end_msg $RET
 187                         exit $RET
 188                     fi
 189                 fi
 190             fi
 191         fi
 192         log_end_msg 0
 193         ;;
 194
 195   stop)
 196         log_daemon_msg "Stopping $DESC"
 197
 198         if [ "$NEED_GSSD" = yes ]
 199         then
 200             log_progress_msg "gssd"
 201             start-stop-daemon --stop --oknodo --quiet \
 202                     --name rpc.gssd
 203             RET=$?
 204             if [ $RET != 0 ]; then
 205                 log_end_msg $RET
 206                 exit $RET
 207             fi
 208         fi
 209         if [ "$NEED_IDMAPD" = yes ]
 210         then
 211             log_progress_msg "idmapd"
 212             start-stop-daemon --stop --oknodo --quiet \
 213                 --name rpc.idmapd
 214             RET=$?
 215             if [ $RET != 0 ]; then
 216                 log_end_msg $RET
 217                 exit $RET
 218             fi
 219         fi
 220         if [ "$NEED_STATD" = yes ]
 221         then
 222             log_progress_msg "statd"
 223             start-stop-daemon --stop --oknodo --quiet \
 224                 --name rpc.statd
 225             RET=$?
 226             if [ $RET != 0 ]; then
 227                 log_end_msg $RET
 228                 exit $RET
 229             fi
 230         fi
 231         do_umount $PIPEFS_MOUNTPOINT 2>/dev/null || true
 232         log_end_msg 0
 233         ;;
 234
 235   status)
 236         if [ "$NEED_STATD" = yes ]
 237         then
 238             if ! pidof rpc.statd >/dev/null
 239             then
 240                 echo "rpc.statd not running"
 241                 exit 3
 242             fi
 243         fi
 244
 245         if [ "$NEED_GSSD" = yes ]
 246         then
 247             if ! pidof rpc.gssd >/dev/null
 248             then
 249                 echo "rpc.gssd not running"
 250                 exit 3
 251             fi
 252         fi
 253
 254         if [ "$NEED_IDMAPD" = yes ]
 255         then
 256             if ! pidof rpc.idmapd >/dev/null
 257             then
 258                 echo "rpc.idmapd not running"
 259                 exit 3
 260             fi
 261         fi
 262
 263         echo "all daemons running"
 264         exit 0
 265         ;;
 266
 267   restart | force-reload)
 268         $0 stop
 269         sleep 1
 270         $0 start
 271         ;;
 272
 273   *)
 274         log_success_msg "Usage: nfs-common {start|stop|status|restart}"
 275         exit 1
 276         ;;
 277 esac
 278
 279 exit 0