debian/nfs-common.init

   1 #!/bin/sh
   2
   3 ### BEGIN INIT INFO
   4 # Provides:          nfs-common
   5 # Required-Start:    $time
   6 # Default-Start:     2 3 4 5
   7 # Default-Stop:      0 1 6
   8 # Short-Description: NFS support files common to client and server
   9 # Description:       NFS is a popular protocol for file sharing across
  10 #                    TCP/IP networks. This service provides various
  11 #                    support functions for NFS mounts.
  12 ### END INIT INFO
  13
  14 # What is this?
  15 DESC="NFS common utilities"
  16
  17 # Read config
  18 DEFAULTFILE=/etc/default/nfs-common
  19 PREFIX=
  20 NEED_LOCKD=
  21 NEED_IDMAPD=
  22 IDMAPD_PIDFILE=/var/run/rpc.idmapd.pid
  23 NEED_GSSD=
  24 GSSD_PIDFILE=/var/run/rpc.gssd.pid
  25 PIPEFS_MOUNTPOINT=/var/lib/nfs/rpc_pipefs
  26 RPCGSSDOPTS=
  27 if [ -f $DEFAULTFILE ]; then
  28     . $DEFAULTFILE
  29 fi
  30
  31 . /lib/lsb/init-functions
  32
  33 # Determine whether lockd daemon is required.
  34 case "$NEED_LOCKD" in
  35 yes|no) ;;
  36 *)  case `uname -r` in
  37     '' | [01].* | 2.[0123].* )
  38         # Older kernels may or may not need a lockd daemon.
  39         # We must assume they do, unless we can prove otherwise.
  40         # (A false positive here results only in a harmless message.)
  41         NEED_LOCKD=yes
  42         if test -f /proc/ksyms
  43         then
  44             grep -q lockdctl /proc/ksyms || NEED_LOCKD=no
  45         fi
  46         ;;
  47
  48     *)  # Modern kernels (>= 2.4) start a lockd thread automatically.
  49         NEED_LOCKD=no
  50         ;;
  51     esac
  52     ;;
  53 esac
  54
  55 #
  56 # Parse the fstab file, and determine whether we need idmapd and gssd. (The
  57 # /etc/defaults settings, if any, will override our autodetection.) This code
  58 # is partially adapted from the mountnfs.sh script in the sysvinit package.
  59 #
  60 AUTO_NEED_IDMAPD=no
  61 AUTO_NEED_GSSD=no
  62
  63 exec 9<&0 </etc/fstab
  64
  65 while read DEV MTPT FSTYPE OPTS REST
  66 do
  67     if [ "$FSTYPE" = "nfs4" ]; then
  68         AUTO_NEED_IDMAPD=yes
  69     fi
  70     case "$OPTS" in
  71         sec=krb5|*,sec=krb5|sec=krb5,*|*,sec=krb5i,*|sec=krb5i|*,sec=krb5i|sec=krb5i,*|*,sec=krb5i,*|sec=krb5p|*,sec=krb5p|sec=krb5p,*|*,sec=krb5p,*)
  72             AUTO_NEED_GSSD=yes
  73         ;;
  74     esac
  75 done
  76
  77 exec 0<&9 9<&-
  78
  79 case "$NEED_IDMAPD" in
  80     yes|no)
  81         ;;
  82     *)
  83         NEED_IDMAPD=$AUTO_NEED_IDMAPD
  84         ;;
  85 esac
  86
  87 case "$NEED_GSSD" in
  88     yes|no)
  89         ;;
  90     *)
  91         NEED_GSSD=$AUTO_NEED_GSSD
  92         ;;
  93 esac
  94
  95 # Exit if required binaries are missing.
  96 [ -x $PREFIX/sbin/rpc.statd ] || exit 0
  97 [ -x $PREFIX/sbin/rpc.lockd ] || [ "$NEED_LOCKD"  = no ] || exit 0
  98 [ -x /usr/sbin/rpc.idmapd   ] || [ "$NEED_IDMAPD" = no ] || exit 0
  99 [ -x /usr/sbin/rpc.gssd     ] || [ "$NEED_GSSD"   = no ] || exit 0
 100
 101 do_modprobe() {
 102     modprobe -q "$1" || true
 103 }
 104
 105 do_mount() {
 106     if ! grep -E -qs "$1\$" /proc/filesystems
 107     then
 108         return 1
 109     fi
 110     if ! mountpoint -q "$2"
 111     then
 112         mount -t "$1" "$1" "$2"
 113         return
 114     fi
 115     return 0
 116 }
 117
 118 do_umount() {
 119     if mountpoint -q "$1"
 120     then
 121         umount "$1"
 122     fi
 123     return 0
 124 }
 125
 126 # See how we were called.
 127 case "$1" in
 128   start)
 129         log_daemon_msg "Starting $DESC"
 130
 131         log_progress_msg "statd"
 132         start-stop-daemon --start --oknodo --quiet \
 133             --exec $PREFIX/sbin/rpc.statd -- $STATDOPTS
 134         if [ $? != 0 ]; then
 135             log_end_msg $?
 136             exit $?
 137         fi
 138
 139         if [ "$NEED_LOCKD" = yes ]
 140         then
 141             log_progress_msg "lockd"
 142             start-stop-daemon --start --oknodo --quiet \
 143                 --exec $PREFIX/sbin/rpc.lockd
 144             if [ $? != 0 ]; then
 145                 log_end_msg $?
 146                 exit $?
 147             fi
 148         fi
 149         if [ "$NEED_IDMAPD" = yes ] || [ "$NEED_GSSD" = yes ]
 150         then
 151             do_modprobe nfs
 152             do_modprobe nfs4
 153             if do_mount rpc_pipefs $PIPEFS_MOUNTPOINT
 154             then
 155                 if [ "$NEED_IDMAPD" = yes ]
 156                 then
 157                     log_progress_msg "idmapd"
 158                     start-stop-daemon --start --oknodo --quiet \
 159                             --make-pidfile --pidfile $IDMAPD_PIDFILE \
 160                             --exec /usr/sbin/rpc.idmapd
 161                     if [ $? != 0 ]; then
 162                         log_end_msg $?
 163                         exit $?
 164                     fi
 165                 fi
 166                 if [ "$NEED_GSSD" = yes ]
 167                 then
 168                     do_modprobe rpcsec_gss_krb5
 169                     log_progress_msg "gssd"
 170                     start-stop-daemon --start --oknodo --quiet \
 171                             --make-pidfile --pidfile $GSSD_PIDFILE \
 172                             --exec /usr/sbin/rpc.gssd -- $RPCGSSDOPTS
 173                     if [ $? != 0 ]; then
 174                         log_end_msg $?
 175                         exit $?
 176                     fi
 177                 fi
 178             fi
 179         fi
 180         log_end_msg 0
 181         ;;
 182
 183   stop)
 184         log_daemon_msg "Stopping $DESC"
 185
 186         if [ "$NEED_GSSD" = yes ]
 187         then
 188             log_progress_msg "gssd"
 189             start-stop-daemon --stop --oknodo --quiet \
 190                     --name rpc.gssd
 191             if [ $? != 0 ]; then
 192                 log_end_msg $?
 193                 exit $?
 194             fi
 195             rm -f $GSSD_PIDFILE
 196         fi
 197         if [ "$NEED_IDMAPD" = yes ]
 198         then
 199             log_progress_msg "idmapd"
 200             start-stop-daemon --stop --oknodo --quiet \
 201                 --name rpc.idmapd
 202             if [ $? != 0 ]; then
 203                 log_end_msg $?
 204                 exit $?
 205             fi
 206             rm -f $IDMAPD_PIDFILE
 207         fi
 208         if [ "$NEED_LOCKD" = yes ]
 209         then
 210             log_progress_msg "lockd"
 211             start-stop-daemon --stop --oknodo --quiet \
 212                 --name rpc.lockd
 213             if [ $? != 0 ]; then
 214                 log_end_msg $?
 215                 exit $?
 216             fi
 217         else
 218             pkill -KILL -u root -x lockd || true
 219         fi
 220         log_progress_msg "statd"
 221         start-stop-daemon --stop --oknodo --quiet \
 222             --name rpc.statd
 223         if [ $? != 0 ]; then
 224             log_end_msg $?
 225             exit $?
 226         fi
 227         do_umount $PIPEFS_MOUNTPOINT 2>/dev/null || true
 228         log_end_msg 0
 229         ;;
 230
 231   status)
 232         if ! pidof rpc.statd >/dev/null
 233         then
 234             echo "rpc.statd not running"
 235             exit 3
 236         fi
 237
 238         if [ "$NEED_GSSD" = yes ]
 239         then
 240             if [ ! -f "$GSSD_PIDFILE" ] || ! pidof rpc.gssd >/dev/null
 241             then
 242                 echo "rpc.statd running, but rpc.gssd halted"
 243                 exit 3
 244             fi
 245         fi
 246
 247         if [ "$NEED_LOCKD" = yes ]
 248         then
 249             if ! pidof rpc.lockd >/dev/null
 250             then
 251                 echo "rpc.statd running, but rpc.lockd halted"
 252                 exit 3
 253             fi
 254         fi
 255
 256         if [ "$NEED_IDMAPD" = yes ]
 257         then
 258             if [ ! -f "$IDMAPD_PIDFILE" ] || ! pidof rpc.idmapd >/dev/null
 259             then
 260                 echo "rpc.statd running, but rpc.idmapd halted"
 261                 exit 3
 262             fi
 263         fi
 264
 265         echo "rpc.statd running"
 266         exit 0
 267         ;;
 268
 269   restart | force-reload)
 270         $0 stop
 271         sleep 1
 272         $0 start
 273         ;;
 274
 275   *)
 276         log_success_msg "Usage: nfs-common {start|stop|status|restart}"
 277         exit 1
 278         ;;
 279 esac
 280
 281 exit 0