launchd/src/StartupItems/NFS

   1 #!/bin/sh
   2
   3 ##
   4 # Network File System
   5 ##
   6
   7 . /etc/rc.common
   8
   9 AUTOMOUNTDIR=/private/var/automount
  10
  11 StartService ()
  12 {
  13     CheckForNetwork
  14     if [ "${NETWORKUP}" = "-NO-" ]; then exit; fi
  15     lockfile -r 0 /var/run/NFS.StartupItem || exit 0
  16
  17     ##
  18     # Set up NFS client.
  19     ##
  20     echo "Starting network file system"
  21
  22         if [ -d ${AUTOMOUNTDIR} ]; then
  23                 chflags -R nouchg ${AUTOMOUNTDIR}
  24                 rm -rf ${AUTOMOUNTDIR}
  25         fi
  26
  27     # nsfiod is the NFS asynchronous block I/O daemon, which implements
  28     # NFS read-ahead and write-behind caching on NFS clients.
  29     nfsiod -n 4
  30
  31     ##
  32     # The rpc.lockd/rpc.statd daemons are needed on both the client and
  33     # the server in order to support file locking over NFS.
  34     #
  35     # If NFSLOCKS = -AUTOMATIC-, we start the daemons if we are a server
  36     # but if we are only a client, we start the daemons once we know we
  37     # need them.
  38     ##
  39
  40     ##
  41     # gather list of NFS exports
  42     ##
  43     exports_ni=$(niutil -list . /exports 2> /dev/null | wc -w)
  44     # Look for exports in /etc/exports, ignoring comments and blank lines.
  45     exports_etc=$(grep -v '^[[:space:]]*\(#\|$\)' /etc/exports 2> /dev/null | wc -l)
  46     exports=$(($exports_ni + $exports_etc))
  47
  48     # if we are an NFS server, turn on NFS locking by default:
  49     if [ "${exports}" -gt 0 ]; then
  50         if [ "${NFSLOCKS:=-AUTOMATIC-}" = "-AUTOMATIC-" ]; then
  51             NFSLOCKS=-YES-;
  52         fi
  53     fi
  54
  55     if [ "${NFSLOCKS:=-AUTOMATIC-}" = "-YES-" ]; then
  56         # we definitely want locks on, so turn them on now
  57         rpc.statd
  58         rpc.lockd
  59     fi
  60     if [ "${NFSLOCKS:=-AUTOMATIC-}" = "-AUTOMATIC-" ]; then
  61         # delay starting daemons until we know we need them
  62
  63         # invoke rpc.statd to send any SM_NOTIFY messages and quit.
  64         rpc.statd -n
  65
  66         # -w says to wait for signal from kernel, then start daemons
  67         rpc.lockd -w
  68     fi
  69
  70     ##
  71     # Set up NFS server.
  72     ##
  73
  74     # If exportfs finds something to export (either using /etc/exports or the
  75     # exports NetInfo directory), then start the NFS daemons (which service
  76     # NFS requests) and the mount server (which services NFS mount requests).
  77
  78     # Clear the table of exported filesystems.
  79     rm -f /var/db/mountdtab
  80
  81     if [ "${exports}" -gt 0 ]; then
  82         echo "Starting Network File System server"
  83         mountd
  84
  85         # If the NetInfo config/nfsd directory contains startup args for nfsd, use those.
  86         arguments=`niutil -readprop . /config/nfsd arguments`
  87         if [ "${arguments}" = "" ]; then
  88                 arguments="-t -u -n 6"
  89         fi
  90         nfsd ${arguments}
  91     fi
  92
  93     ##
  94     # Start the automounter
  95     ##
  96
  97     if [ "${AUTOMOUNT:=-YES-}" = "-YES-" ]; then
  98         automount -m /Network -nsl -mnt ${AUTOMOUNTDIR}
  99         ln -s /automount/Library /Network/Library
 100         automount -m /automount/Servers -fstab -mnt /private/Network/Servers \
 101                 -m /automount/static -static -mnt ${AUTOMOUNTDIR}
 102         ln -s /automount/Servers /Network/Servers
 103
 104         #
 105         # Hint that the name /Network should be localized:
 106         #
 107         ln -s . /Network/.localized
 108     fi
 109
 110         #
 111         # Leave a mark upon completion of the automounter startup:
 112         #
 113         touch /var/run/automount.initialized
 114 }
 115
 116 StopService ()
 117 {
 118     return 0
 119 }
 120
 121 RestartService ()
 122 {
 123     return 0
 124 }
 125
 126 RunService "$1"