-#! /bin/sh
-TARFILE=/tmp/hesiod
-SRC_DIR=/etc/athena/_nameserver
-DEST_DIR=/etc/athena/nameserver
-if [ ! -d $SRC_DIR ]; then
- /bin/rm -f $SRC_DIR
- /bin/mkdir $SRC_DIR
- /bin/chmod 755 $SRC_DIR
-fi
-#if [ ! -d $DEST_DIR ]; then
-# /bin/rm -f $DEST_DIR
-# /bin/mkdir $DEST_DIR
-# /bin/chmod 755 $DEST_DIR
-#fi
+#!/bin/csh -f
+# This script performs updates of hesiod files on hesiod servers.
+
+# The following exit codes are defined and MUST BE CONSISTENT with the
+# SMS error codes the library uses:
+set SMS_HESFILE = 47836472
+set SMS_MISSINGFILE = 47836473
+set SMS_NAMED = 47836475
+set SMS_TARERR = 47836476
+
+# File that will contain the necessary information to be updated
+set TARFILE=/tmp/hesiod.out
+# Directory into which we will empty the tarfile
+set SRC_DIR=/etc/athena/_nameserver
+# Directory into which we will put the final product
+set DEST_DIR=/etc/athena/nameserver
+
+# Create the destination directory if it doesn't exist
+if (! -d $DEST_DIR) then
+ /bin/rm -f $DEST_DIR
+ /bin/mkdir $DEST_DIR
+ /bin/chmod 755 $DEST_DIR
+endif
+
+# There is reason for $SRC_DIR and $DEST_DIR to be on the same disk
+# parition, so find out where $DEST_DIR is and put $SRC_DIR there too.
+set old = $cwd
+chdir $DEST_DIR
+# Don't use $cwd; it won't follow the link
+set CUR_DIR = `pwd`
+set SRC_DIR_TMP = $CUR_DIR:h/_nameserver
+if (! -d $SRC_DIR_TMP) then
+ /bin/rm -f $SRC_DIR_TMP
+ /bin/mkdir $SRC_DIR_TMP
+ /bin/chmod 755 $SRC_DIR_TMP
+endif
+if ($SRC_DIR_TMP != $SRC_DIR) ln -s $SRC_DIR_TMP $SRC_DIR
+cd $old
+unset old SRC_DIR_TMP
+
+# Alert if tarfile doesn't exist
+if (! -r $TARFILE) exit $SMS_MISSINGFILE
+
+# Empty the tar file one file at a time and move each file to the
+# appropriate place only if it is not zero length.
cd $SRC_DIR
-for file in `/bin/tar tf $TARFILE`; do
- if [ ./ = $file ]; then continue; fi
- /bin/tar xf $TARFILE $file
- if [ -s $file ]; then
- /bin/mv -f $file $DEST_DIR
- else
- /bin/rm -f $file
- fi
-done
-#/bin/rm -f $TARFILE
-#kill -HUP `/bin/cat /etc/named.pid`
-
-
-exit
+foreach file (`/bin/tar tf $TARFILE | awk '{print $1}' | sed 's;/$;;'`)
+ if (. == $file) continue
+
+ rm -rf $file
+ echo extracting $file
+ /bin/tar xf $TARFILE $file
+ # Don't put up with errors extracting the information
+ if ($status) exit $SMS_TARERR
+ # Make sure the file is not zero-length
+ if (! -z $file) then
+ /bin/mv -f $file $DEST_DIR
+ if ($status != 0) exit $SMS_HESFILE
+ else
+ /bin/rm -f $file
+ exit $SMS_MISSINGFILE
+ endif
+end
+
+# Kill off the current named and remove the named.pid file. It is
+# important that this file be removed since the script uses its
+# existance as evidence that named as has been successfully restarted.
+
+# Use /bin/kill because, due to a bug in some versions of csh, failure
+# of a builtin will cause the script to abort
+/bin/kill -KILL `/bin/cat /etc/named.pid`
+rm -f /etc/named.pid
+
+# Restart named.
+(unlimit; /etc/named)
+
+# Before trying to reimpliment this timeout mechanism using interrupts,
+# be sure to check and make sure that it will work on both types of
+# machines. As of 6.0B, RT csh didn't respond correctly to onintr.
+#
+# This timeout is implemented by having the shell check TIMEOUT times
+# for the existance of /etc/named.pid and to sleep INTERVAL seconds
+# between each check.
+
+set TIMEOUT=60 # number of INTERVALS until timeout
+set INTERVAL=60 # number of seconds between checks
+set i = 0
+while ($i < $TIMEOUT)
+ sleep $INTERVAL
+ if (-f /etc/named.pid) break
+ @ i++
+end
+
+# Did it time out?
+if ($i == $TIMEOUT) exit $SMS_NAMED
+
+# Clean up!
+/bin/rm -f $TARFILE
+/bin/rm -f $0
+
+exit 0
+
#
# $Source$
# $Header$
andersk / moira.git / blobdiff