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RHEL uses up2date to check for updates. Temporary solution until CHECKRPMSs are amalgamated and distprobe is used to check distro.

    1: #!/usr/bin/perl -w
    2: #
    3: # The LearningOnline Network with CAPA
    4: #
    5: # Copyright Michigan State University Board of Trustees
    6: #
    7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    8: #
    9: # LON-CAPA is free software; you can redistribute it and/or modify
   10: # it under the terms of the GNU General Public License as published by
   11: # the Free Software Foundation; either version 2 of the License, or
   12: # (at your option) any later version.
   13: #
   14: # LON-CAPA is distributed in the hope that it will be useful,
   15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17: # GNU General Public License for more details.
   18: #
   19: # You should have received a copy of the GNU General Public License
   20: # along with LON-CAPA; if not, write to the Free Software
   21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   22: #
   23: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: # (Navigate problems for statistical reports
   28: #
   29: 
   30: =pod
   31: 
   32: =head1 NAME
   33: 
   34: B<CHECKRPMS> - automated status report about RPMs on a system, Up2date version.
   35: 
   36: =head1 DESCRIPTION
   37: 
   38: This file automates the usage of up2date to check for available updates
   39: to RHEL systems.
   40: 
   41: Must be run as root or www.
   42: 
   43: =cut
   44: 
   45: use strict;
   46: use lib '/home/httpd/lib/perl/';
   47: use LONCAPA::Configuration;
   48: 
   49: my $up2date = '/usr/bin/up2date-nox';
   50: my $tmpfile = '/tmp/CHECKRPMS.'.$$;
   51: 
   52: #
   53: # Determine who we email
   54: my %perlvar=%{LONCAPA::Configuration::read_conf('loncapa.conf')};
   55: my $emailto = "$perlvar{'lonAdmEMail'}";
   56: my $subj=$perlvar{'lonHostID'};
   57: undef(%perlvar);
   58: 
   59: #
   60: # Put some nice text in $tmpfile
   61: my $hostname = `hostname`;
   62: chomp($hostname);
   63: open(TMPFILE,">$tmpfile");
   64: print TMPFILE localtime(time).'    '.$hostname."\n";
   65: print TMPFILE <<ENDHEADER;
   66: Your system needs to be updated.  Please execute (as root) 
   67: 
   68: up2date -u --nox
   69: 
   70: to bring it up to date.
   71: 
   72: This is very important for the security of your server.  The table below
   73: lists the packages which need to be updated.
   74: 
   75: ENDHEADER
   76: 
   77: close(TMPFILE);
   78: 
   79: #
   80: # Execute online_update command to check for updates 
   81: my $up2date_error = 1;
   82: if (open (PIPE, "$up2date -l 2>&1 |")) {
   83:     my @result=<PIPE>;
   84:     close(PIPE);
   85:     if (@result > 0) {
   86:         my $output = join('',@result);
   87:         if ($output =~ /Fetching Obsoletes list/) {
   88:             $up2date_error = 0;
   89:             if ($output =~ /Name\s+Version\s+Rel\s+[\n\r\f]+\-+[\n\r\f]+(.+)/s) {
   90:                 my $packagelist = $1;
   91:                 unless (($packagelist =~ /^The following Packages were marked to be skipped by your configuration:/) || ($packagelist eq '')) {
   92:                     open(TMPFILE,">>$tmpfile");
   93:                     print TMPFILE $packagelist;
   94:                     close(TMPFILE);
   95:                     $subj.= ' RPMS to upgrade';
   96:         # Send email
   97:                     system(qq{mail -s '$subj' $emailto < $tmpfile});
   98:                 }
   99:             }
  100:         }
  101:     }
  102: }
  103: if ($up2date_error) {
  104:     # Send email
  105:     $subj.= ' Error running RPM update script';
  106:     system(qq{mail -s '$subj' $emailto < $tmpfile});
  107: }