Imported Debian patch 1.0.7-17

[nfs-utils.git] / debian / nfs-common.init

diff --git a/debian/nfs-common.init b/debian/nfs-common.init
index a9dcb5d510ec94ddc9352c3240d8e48c1c8edc7b..df5fca289018993800860d35a89e9a8c446dfcae 100755 (executable)
--- a/debian/nfs-common.init
+++ b/debian/nfs-common.init
@@ -9,52 +9,186 @@
 #             locking functionality.
 #
 
-PREFIX=
+set -e
 
-NEED_LOCKD=yes
-if test -f /proc/ksyms
-then
-    # We need to be conservative and run lockd,
-    # unless we can prove that it isn't required.
-    grep -q lockdctl /proc/ksyms || NEED_LOCKD=no
+# What is this?
+DESC="NFS common utilities"
+
+# Read config
+DEFAULTFILE=/etc/default/nfs-common
+PREFIX=
+NEED_LOCKD=
+NEED_IDMAPD=
+IDMAPD_PIDFILE=/var/run/rpc.idmapd.pid
+NEED_GSSD=
+GSSD_PIDFILE=/var/run/rpc.gssd.pid
+PIPEFS_MOUNTPOINT=/var/lib/nfs/rpc_pipefs
+RPCGSSDOPTS=
+if [ -f $DEFAULTFILE ]; then
+    . $DEFAULTFILE
 fi
 
+# Determine whether lockd daemon is required.
+case "$NEED_LOCKD" in
+yes|no)        ;;
+*)  case `uname -r` in
+    '' | [01].* | 2.[0123].* )
+       # Older kernels may or may not need a lockd daemon.
+       # We must assume they do, unless we can prove otherwise.
+       # (A false positive here results only in a harmless message.)
+       NEED_LOCKD=yes
+       if test -f /proc/ksyms
+       then
+           grep -q lockdctl /proc/ksyms || NEED_LOCKD=no
+       fi
+       ;;
+
+    *)  # Modern kernels (>= 2.4) start a lockd thread automatically.
+       NEED_LOCKD=no
+       ;;
+    esac
+    ;;
+esac
+
+#
+# Parse the fstab file, and determine whether we need idmapd and gssd. (The
+# /etc/defaults settings, if any, will override our autodetection.) This code
+# is partially adapted from the mountnfs.sh script in the sysvinit package.
+#
+AUTO_NEED_IDMAPD=no
+AUTO_NEED_GSSD=no
+
+exec 9<&0 </etc/fstab
+
+while read DEV MTPT FSTYPE OPTS REST
+do
+    if [ "$FSTYPE" = "nfs4" ]; then
+        AUTO_NEED_IDMAPD=yes
+    fi
+    case "$OPTS" in
+        sec=krb5|*,sec=krb5|sec=krb5,*|*,sec=krb5i,*|sec=krb5i|*,sec=krb5i|sec=krb5i,*|*,sec=krb5i,*|sec=krb5p|*,sec=krb5p|sec=krb5p,*|*,sec=krb5p,*)
+           AUTO_NEED_GSSD=yes
+       ;;
+    esac
+done
+
+exec 0<&9 9<&-
+
+case "$NEED_IDMAPD" in
+    yes|no)    
+        ;;
+    *)
+        NEED_IDMAPD=$AUTO_NEED_IDMAPD
+       ;;
+esac
+
+case "$NEED_GSSD" in
+    yes|no)    
+        ;;
+    *)
+        NEED_GSSD=$AUTO_NEED_GSSD
+       ;;
+esac
+
+# Exit if required binaries are missing.
 [ -x $PREFIX/sbin/rpc.statd ] || exit 0
-[ -x $PREFIX/sbin/rpc.lockd ] || [ "$NEED_LOCKD" = no ] || exit 0
+[ -x $PREFIX/sbin/rpc.lockd ] || [ "$NEED_LOCKD"  = no ] || exit 0
+[ -x /usr/sbin/rpc.idmapd   ] || [ "$NEED_IDMAPD" = no ] || exit 0
+[ -x /usr/sbin/rpc.gssd     ] || [ "$NEED_GSSD"   = no ] || exit 0
 
-# What is this?
-DESC="NFS common utilities"
+do_modprobe() {
+    modprobe -q "$1" || true
+}
 
-# Make sure that daemon cwds are in root fs.
-cd /
+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)
+       cd /    # daemons should have root dir as cwd
        printf "Starting $DESC:"
        printf " statd"
        start-stop-daemon --start --quiet \
-           --exec $PREFIX/sbin/rpc.statd
+           --exec $PREFIX/sbin/rpc.statd -- $STATDOPTS
        if [ "$NEED_LOCKD" = yes ]
        then
            printf " lockd"
            start-stop-daemon --start --quiet \
-               --exec $PREFIX/sbin/rpc.lockd
+               --exec $PREFIX/sbin/rpc.lockd  || true
+       fi
+       if [ "$NEED_IDMAPD" = yes ] || [ "$NEED_GSSD" = yes ]
+       then
+           do_modprobe nfs
+           do_modprobe nfs4
+           if do_mount rpc_pipefs $PIPEFS_MOUNTPOINT
+           then
+               if [ "$NEED_IDMAPD" = yes ]
+               then
+                   printf " idmapd"
+                   start-stop-daemon --start --quiet \
+                           --make-pidfile --pidfile $IDMAPD_PIDFILE \
+                           --exec /usr/sbin/rpc.idmapd
+               fi
+               if [ "$NEED_GSSD" = yes ]
+               then
+                   do_modprobe rpcsec_gss_krb5
+                   printf " gssd"
+                   start-stop-daemon --start --quiet \
+                           --make-pidfile --pidfile $GSSD_PIDFILE \
+                           --exec /usr/sbin/rpc.gssd -- $RPCGSSDOPTS
+               fi
+           fi
        fi
        echo "."
        ;;
 
   stop)
        printf "Stopping $DESC:"
+       if [ "$NEED_GSSD" = yes ]
+       then
+           printf " gssd"
+           start-stop-daemon --stop --oknodo --quiet \
+                   --name rpc.gssd
+           rm -f $GSSD_PIDFILE
+       fi
+       if [ "$NEED_IDMAPD" = yes ]
+       then
+           printf " idmapd"
+           start-stop-daemon --stop --oknodo --quiet \
+               --name rpc.idmapd
+           rm -f $IDMAPD_PIDFILE
+       fi
        if [ "$NEED_LOCKD" = yes ]
        then
            printf " lockd"
            start-stop-daemon --stop --oknodo --quiet \
-               --name lockd --user root --signal 9
+               --name rpc.lockd || true
+       else
+           pkill -KILL -u root -x lockd || true
        fi
        printf " statd"
        start-stop-daemon --stop --oknodo --quiet \
-           --exec $PREFIX/sbin/rpc.statd
+           --name rpc.statd
+       do_umount $PIPEFS_MOUNTPOINT 2>/dev/null || true
        echo "."
        ;;