[2043] in Moira
Re: access service (take two)
daemon@ATHENA.MIT.EDU (Mark Silis)
Mon Oct 20 22:04:10 2003
Message-Id: <200310210204.h9L247We027746@I-fear-reorgs.mit.edu>
To: mark@MIT.EDU
cc: moiradev@MIT.EDU
Date: Mon, 20 Oct 2003 22:04:07 -0400
From: Mark Silis <mark@MIT.EDU>
I missed a step in the ln/mv waltz in access.sh oops, corrected version below.
-- Mark
--- /dev/null Mon Oct 20 18:08:45 2003
+++ /moira/bin/access.sh Mon Oct 20 21:41:33 2003
@@ -0,0 +1,73 @@
+#!/bin/sh
+#
+# $Header$
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin:/etc:/usr/etc:/usr/athena/bin:/usr/local/bin
+export PATH
+
+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
+
+# The following exit codes are defined and MUST BE CONSISTENT with
+# error codes the library uses:
+MR_MKCRED=47836474
+MR_MISSINGFILE=47836473
+MR_NOCRED=47836470
+
+root=/usr/local/sendmail
+
+if [ -s $root/etc/access.new ]; then
+ cp /dev/null $root/etc/access.tmp
+
+ if [ -s $root/etc/efl-access ]; then
+ cat $root/etc/efl-access >> $root/etc/access.tmp
+ fi
+
+ cat $root/etc/access.new >> $root/etc/access.tmp
+ mv $root/etc/access.tmp $root/etc/access.new
+ chmod 644 $root/etc/access.new
+else
+ exit $MR_MISSINGFILE
+fi
+
+if [ ! -s $root/etc/access ]; then
+ logger -p mail.error -t access.sh "No current access file, aborting."
+ exit $MR_NOCRED
+fi
+
+# Play it safe and be sure we have reasonable data
+olines=`wc -l $root/etc/access | awk '{print $1}'`
+nlines=`wc -l $root/etc/access.new | awk '{print $1}'`
+diff=`expr $nlines - $olines`
+thresh=`expr $olines / 10`
+
+# Catch the zero case
+if [ $nlines -eq 0 ]; then
+ logger -p mail.error -t access.sh "Recieved empty access file, aborting."
+ exit $MR_MISSINGFILE
+fi
+
+# If its a greater than 10% shift bomb out to be safe
+if [ $diff -gt $thresh ]; then
+ logger -p mail.error -t access.sh "Access changes threshold exceeded, aborting."
+ exit $MR_NOCRED
+fi
+
+cp /dev/null $root/etc/access.new.db
+
+$root/sbin/makemap btree $root/etc/access.new < $root/etc/access.new
+if [ $? != 0 ]; then
+ exit $MR_MKCRED
+fi
+
+mv $root/etc/access $root/etc/access.old
+mv $root/etc/access.new $root/etc/access
+rm -f $root/etc/access.old.db
+ln $root/etc/access.db $root/etc/access.old.db
+mv $root/etc/access.new.db $root/etc/access.db
+
+rm -f $0
+exit 0
