+# 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.