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Diff for /loncom/build/Attic/CHECKRPMS.default between versions 1.5 and 1.19

version 1.5, 2002/09/05 18:09:54 version 1.19, 2004/09/01 16:28:26
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 #!/usr/bin/perl  #!/usr/bin/perl -w
   #
   # The LearningOnline Network with CAPA
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   # (Navigate problems for statistical reports
   #
   
 =pod  =pod
   
 =head1 NAME  =head1 NAME
   
 B<CHECKRPMS> - automated status report about RPMs on a system  B<CHECKRPMS> - automated status report about RPMs on a system.
   
 =head1 SYNOPSIS  
   
 ./CHECKRPMS  
   
 or  
   
 perl CHECKRPMS  
   
 =head1 DESCRIPTION  =head1 DESCRIPTION
   
 This file automates the usage of Martin Siegert's "check-rpms"  Runs Martin Seigert's checkrpms script.  See 
 script.  It runs through a list of possible mirror sites  http://www.sfu.ca/acs/security/linux/check-rpms.html for more information.
 until it finds one with a reasonably good FTP connection.  
   
 =head2 Future directions  
   
 Eventually, this script may have a simple argument format  
 that allows the user to VIEW, DOWNLOAD, or AUTOUPDATE their  
 computer.  Or, this script may evolve into an interactive  
 series of steps:  For example, there may be questions like this:  
   
 =over 4  
   
 =item *  
   
 Do you want to (D)ownload or (A)utoupdate the RPMs  
 in the list above?  
   
 =item *  Must be run as root or www.
   
 Specify a download location for the RPMs  
 (default=/tmp/update_my_rpms/)?  
   
 =back  
   
 Note that there are no current plans to automate a software upgrade of the  
 kernel.  This step should be performed by a qualified system administrator.  
   
 =head1 AUTHOR  
   
 Scott Harrison, sharrison@users.sourceforge.net, 2002  
   
 =cut  =cut
   
 # =================================================== READ IN COMMAND ARGUMENTS  use strict;
 # ---------------------------------------------------- Process download option.  use lib '/home/httpd/lib/perl/';
 my $download=shift(@ARGV);  use LONCAPA::Configuration;
 if ($download eq '--download')  #
   {  # Determine who we email
     if ($< != 0) # Download mode requires 'root'.  my %perlvar=%{LONCAPA::Configuration::read_conf('loncapa.conf')};
       {  my $emailto = "$perlvar{'lonAdmEMail'}";
         print('**** ERROR **** Download mode needs to be run as root'."\n");  my $subj=$perlvar{'lonHostID'}.' rpm status';
  exit(1); # Exit with error status.  
       }  my $checkrpms = '/usr/local/bin/check-rpms';
     `rm -Rf /tmp/loncapa_rpm_updates`;  #
     $download='-v -dl -d /tmp/loncapa_rpm_updates'; # Part of check-rpms args.  # Check that checkrpms is installed and is the proper version...
   }  my $mailmsg = '';
 else  if (! -e $checkrpms) {
   {      $mailmsg = <<END;
     $download='';  
   }  Unable to locate check-rpms on your system.  Please go to 
   http://www.sfu.ca/acs/security/linux/check-rpms.html, download and 
 # =================================================== GENERAL INITIAL VARIABLES  install check-rpms on this system.
 # ---------------- The FTP servers (and their directory paths) to check against  
 my @serverpaths_to_try =   
   (  
     'mirror.pa.msu.edu/linux/redhat/linux/updates/',  
     'rufus.w3.org/linux/redhat/linux/updates/',  
     'distro.ibiblio.org/pub/linux/distributions/redhat/updates/',  
     'limestone.uoregon.edu/redhat/updates/',  
     'opnsrc.support.compaq.com/linux/redhat/updates.redhat.com/',  
   );  
   
 # --------------------------------------------------- Determine RedHat version.  
 my $RHversion = (split /\s/, `cat /etc/redhat-release`)[4]; # - 6.2 or 7.3 or ?  
   
  # ------------------------------------------- Use check-rpms command this way.  
 my $checkcommand = 'check-rpms '.$download.' --rpmuser www -ftp';  
   
 my $FTPSERVER; # ------------------------- the server portion of the serverpath  
 my $FTPUPDATES; # ----------------------------- the actual update root location  
 my @rpms; # ---------------------------------- this will store the list of RPMs  
 my $goodoutput; # ------------------------------------ good stuff was returned!  
 my $reallygoodoutput; # ------------------------------- you are 100% up-to-date  
   
 # ----------------------------------------- Find the check-rpms script location  
 if (-e './check-rpms')  
   {  
     $commandpre='perl ./'; # Use the check-rpms in the current directory.  
   }  
 elsif (-e 'loncom/build/check-rpms')  
   {  
     $commandpre='perl loncom/build/'; # Use check-rpms int he loncom/build dir.  
   }  
 else # Cannot find check-rpms, so abort.  
   {  
     die("**** ERROR **** CANNOT FIND THE check-rpms SCRIPT\n");  
   }  
   
 # Define the overall check-rpms invocation based on the path to the check-rpms  
 # command.  
 $checkcommand = $commandpre.$checkcommand;  
   
 # ============== Go through all the servers until a decent connection is found.  
 # Notify user of current action.  
 print(<<END);  
 THIS SCRIPT IS NOW PROBING SEVERAL FTP SERVERS....  
 PLEASE BE PATIENT, THIS MAY TAKE A FEW MINUTES.  
 END  
   
 SERVERLOOP: foreach my $serverpath (@serverpaths_to_try)  
   {  
     $serverpath=~/^(.*?)\//; # Pattern match the ip name.  
     $FTPSERVER=$1; # Set to the ip name.  
     print "Trying $FTPSERVER...\n"; # Notify user of attempts with the ip name.  
     `ping -c 1 $FTPSERVER 2>/dev/null`; # Ping ftp server (are you out there?).  
     if ($?==0) # If the ftp server can be pinged.  
       {  
  print "$FTPSERVER found...\n"; # Tell user the ftp server is found.  
  `ncftpls ftp://$FTPSERVER`; # Try to access server with ftp protocol.  
  if ($?==0) # If the ftp server can be accessed with the ftp protocol.  
           {  
     $FTPUPDATES="$serverpath$RHversion/en/os"; # The full update path.  
     # Print the check-rpms command that will be executed.  
     print($checkcommand.' '.$FTPUPDATES."\n");  
     if ($download) # Was CHECKRPMS run in download mode?  
               {  
  $|=1; # Try to send things immediately to stdout; err umm....  
  # Tell the user about the /tmp/loncapa_rpm_updates directory.  
  print('**** NOTE ****'.  
       'To check the status of the download, you can '.  
       'periodically inspect the contents of the '.  
       '/tmp/loncapa_rpm_updates directory.  '.  
       'Please be patient; this download may take a while.'.  
       "\n");  
  # Do the download.  
  print(`$checkcommand $FTPUPDATES 2>\&1`);  
  # Tell the user about what action they need to take with the  
  # downloaded RPMs.  
  print('You may now wish to visit the /tmp/loncapa_rpm_updates'.  
       ' directory and upgrade the RPMs.  '."\n".  
       'If this is a critical server (it is currently being'.  
       ' used for classes) and you do not know how to upgrade'.  
       ' RPMs, you should consult someone who has experience '.  
       'with the "rpm" command.'."\n");  
  exit(0); # Assume everything is okay and exit.  
       }  
     @rpms=`$checkcommand $FTPUPDATES 2>\&1`; # Read in list of RPMs.  
     # Create a text string that can be pattern matched.  
     my $rpmtext=join('',@rpms);  
     if ($rpmtext=~/You do not seem to have a/) # No www?  
               {  
  print "You do not have a 'www' user on your system.\n".  
     "Please add this user and try this command again.\n";  
  exit(1);  
       }  
     if ($rpmtext=~/This account is currently not/) # ------------ uh-oh  
       {  
  print "...strange error, moving on ($FTPSERVER)\n";  
       }  
     else # --------------------------------------- the output is "good"  
       {  
  $goodoutput=$rpmtext;  
  unless (@rpms) # If there are no RPMs to update.  
   {  
     $reallygoodoutput=<<END;  
 **** NOTE **** All RPMS on your system appear to be up to date.  
 END  END
   }  
  last SERVERLOOP;  
       }  
   }  
  print('...cannot establish an ftp session with '.$FTPSERVER."\n");  
       }  
     else  
       {  
  print "...cannot find $FTPSERVER on the network\n";  
       }  
   }  
 if (!$goodoutput) # If never received any useable output, assume "no server".  
   {  
     print "**** ERROR **** Cannot find a working ftp server.\n";  
     exit(1);  
   }  
 elsif ($reallygoodoutput) # Everything is peachy keen and up-to-date already.  
   {  
     print $reallygoodoutput;  
   }  
 else # There are RPMs that need to be updated; show list to user.  
   {  
     my $rpmcount=scalar(@rpms); # Count up size of RPM list.  
     print(<<END); # Print out an advisory warning to user.  
 **** WARNING **** You need to update at least $rpmcount RPMS shown in  
 the list below.  THIS IS IMPORTANT FOR SECURITY.  
   
 END  }
     print $goodoutput; # Output the RPM list.  
     print(<<END); # Output instructions to user about taking action.  #
   # Run check-rpms and capture its output
   $mailmsg = `$checkrpms`;
   
   #
   # Email the user the output of checkrpms
   if ($mailmsg ne '') {
       $mailmsg =<<"END";
   checkrpms checked the status of the packages on your system and 
   produced the following output:
   -------------------------------------------------------
   $mailmsg
   -------------------------------------------------------
   If there are rpms which need to be installed, please log into
   $perlvar{'lonHostID'} and run the following command
   
   $checkrpms --update
   
   If there are kernel packages to be installed, use
   
   $checkrpms --update --install-kernel
   
   Keeping your system up to date is very important.
   Ensuring you are using up to date software is a prerequisite for a 
   secure system.
   
 Please visit ftp://$FTPUPDATES  
 and download the RPMS you need.  
 For instructions on working with (and upgrading) RPMS, please  
 visit http://www.rpm.org/max-rpm/.  
 To automatically download these RPMs to /tmp/loncapa_rpm_updates/,  
 run the CHECKRPMS command as "./CHECKRPMS --download"  
 END  END
   }      my $mail_file = '/tmp/CHECKRPMS.'.$$;
       open(MAILFILE,">$mail_file") || die("Unable to write to ".$mail_file);
       print MAILFILE $mailmsg.$/;
       close(MAILFILE);
       my $mailcommand = "mail -s '$subj' $emailto <$mail_file";
       print STDERR $mailcommand;
       system($mailcommand);
   }
   
   exit;
Removed from v.1.5  
changed lines
  Added in v.1.19

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