-mkdir /tmp/nfs.dir
-cd /tmp/nfs.dir
-tar xf /tmp/nfs
-chmod 775 /tmp/nfs.dir
-exit
-#
-# $Source$
-# $Header$
+#!/bin/sh
+# This script performs nfs updates on servers.
#
+# $Header$
+
+# redirect output, and find the credentials directory (not robust, but
+# works for now).
+if [ -d /var/athena ] && [ -w /var/athena ]; then
+ exec >/var/athena/moira_update.log 2>&1
+else
+ exec >/tmp/moira_update.log 2>&1
+fi
+
+creddir=/var/athena
+if [ -d /usr/etc ]; then
+ creddir=/usr/etc
+fi
+
+# The following exit codes are defined and MUST BE CONSISTENT with the
+# error codes the library uses:
+MR_NOCRED=47836470
+MR_MISSINGFILE=47836473
+MR_MKCRED=47836474
+MR_TARERR=47836476
+
+PATH=/etc:/bin:/usr/bin:/usr/etc:/usr/athena/etc
+
+TARFILE=/var/tmp/nfs.out
+SRCDIR=/var/tmp/nfs.dir
+
+uchost=`hostname | tr '[a-z]' '[A-Z]'`
+echo $uchost | egrep -e "\." >/dev/null
+if [ $? != 0 ]; then
+ uchost=$uchost.MIT.EDU
+fi
+
+# Alert if the tar file does not exist
+test -r $TARFILE || exit $MR_MISSINGFILE
+
+# Make a temporary directory to unpack the tar file into
+rm -rf $SRCDIR
+mkdir $SRCDIR || exit $MR_MKCRED
+cd $SRCDIR || exit $MR_MKCRED
+
+# Extract everything
+tar xpf $TARFILE || exit $MR_TARERR
+
+for type in dirs quotas; do
+ echo "Installing ${type}:"
+ for i in $uchost.$type; do
+ if [ -f $i ]; then
+ # Convert from the filename HOST.@dev@device.type to /dev/device
+ dev=`echo $i | sed "s,.${type},," | sed "s,${uchost}.,," | \
+ sed "s,@,/,g"`
+ echo ${uchost}:$dev
+ ./install_${type} $dev < $i
+ if [ $? != 0 ]; then
+ exit $MR_NOCRED
+ fi
+ if [ ${type} = "quotas" ]; then
+ ./zero_quotas $dev < $i
+ if [ $? != 0 ]; then
+ exit $MR_NOCRED
+ fi
+ fi
+ mv -f $i /var/tmp
+ fi
+ done
+done
+
+# build new credentials files
+rm -f $creddir/credentials.new
+cp ${uchost}.cred $creddir/credentials.new
+if [ $? != 0 ]; then
+ exit $MR_NOCRED
+fi
+if [ -s $creddir/credentials.local ]; then
+ cat $creddir/credentials.local >> $creddir/credentials.new
+fi
+
+# After this point, if /tmp gets cleared out by reactivate (which happens
+# on a combined server/workstation), we don't care.
+mkcred $creddir/credentials.new
+if [ $? != 0 ]; then
+ exit $MR_MKCRED
+fi
+
+# Try to install the files
+for e in "" .dir .pag; do
+ mv -f $creddir/credentials.new$e $creddir/credentials$e
+done
+
+# If any of them didn't get installed, fail
+for e in "" .dir .pag; do
+ if [ ! -f $creddir/credentials$e ]; then
+ exit $MR_NOCRED
+ fi
+done
+
+# cleanup
+cd /
+rm -rf $SRCDIR
+test -f $TARFILE && rm -f $TARFILE
+test -f $0 && rm -f $0
+
+exit 0