2 # This script performs updates of hesiod files on hesiod servers.
6 # The following exit codes are defined and MUST BE CONSISTENT with the
7 # MR error codes the library uses:
8 set MR_HESFILE = 47836472
9 set MR_MISSINGFILE = 47836473
10 set MR_NAMED = 47836475
11 set MR_TARERR = 47836476
15 # File that will contain the necessary information to be updated
16 set TARFILE=/tmp/hesiod.out
17 # Directory into which we will empty the tarfile
18 set SRC_DIR=/etc/athena/_nameserver
19 # Directory into which we will put the final product
20 set DEST_DIR=/etc/athena/nameserver
22 # Create the destination directory if it doesn't exist
23 if (! -d $DEST_DIR) then
26 /bin/chmod 755 $DEST_DIR
29 # If $SRC_DIR does not already exist, make sure that it gets created
30 # on the same parition as $DEST_DIR.
31 if (! -d $SRC_DIR) then
35 if ($SRC_DIR != `pwd`) ln -s `pwd` $SRC_DIR
38 # Alert if tarfile doesn't exist
39 if (! -r $TARFILE) exit $MR_MISSINGFILE
41 # Empty the tar file one file at a time and move each file to the
42 # appropriate place only if it is not zero length.
44 foreach file (`/bin/tar tf $TARFILE | awk '{print $1}' | sed 's;/$;;'`)
45 if (. == $file) continue
49 /bin/tar xf $TARFILE $file
50 # Don't put up with errors extracting the information
51 if ($status) exit $MR_TARERR
52 # Make sure the file is not zero-length
54 /bin/mv -f $file $DEST_DIR
55 if ($status != 0) exit $MR_HESFILE
62 # Kill off the current named and remove the named.pid file. It is
63 # important that this file be removed since the script uses its
64 # existance as evidence that named as has been successfully restarted.
66 # Use /bin/kill because, due to a bug in some versions of csh, failure
67 # of a builtin will cause the script to abort
68 /bin/kill -KILL `/bin/cat /etc/named.pid`
72 (unlimit; /etc/named&)
74 mv /etc/named.pid /etc/named.pid.restart
76 # This timeout is implemented by having the shell check TIMEOUT times
77 # for the existance of /etc/named.pid and to sleep INTERVAL seconds
80 set TIMEOUT=60 # number of INTERVALS until timeout
81 set INTERVAL=60 # number of seconds between checks
85 if (-f /etc/named.pid) break
90 if ($i == $TIMEOUT) exit $MR_NAMED