chklastlog - check lastlog-file for deleted information

   Copyright (c) DFN-CERT, Univ. of Hamburg 1994

   Univ. Hamburg, Dept. of Computer Science
   DFN-CERT
   Vogt-Koelln-Strasse 30
   22527 Hamburg
   Germany



   This program is free software; you can distribute it and/or modify
   it as long as you retain the DFN-CERT copyright statement.

   It can be obtained via anonymous FTP from 
   ftp.informatik.uni-hamburg.de:/pub/security/dfncert/fixes/chklastlog.tar.Z

   This program is distributed WITHOUT ANY WARRANTY; without the IMPLIED
   WARRANTY of merchantability or fitness for a particular purpose.

   This package contains:
       README
       MANIFEST
       chklastlog.1
       chklastlog.c
       chklastlog.txt

   To create chklastlog under SunOS 4.x, type:
   % cc -o chklastlog chklastlog.c 


   To run chklastlog you need read permission on the files /var/adm/wtmp
   and /var/adm/lastlogin. Normally these files are world-readable and
   no special privileges are required to run the checker.

   The following is an example of the output of chklastlog.

   Running chklastlog on a machine with deleted lastlog-entries, under csh(1):

   % chklastlog
   user ley deleted from lastlog!
   % 

   Running chklastlog on a machine with no deleted lastlog-entries, under csh(1):

   % chklastlog
   %