Annotation of loncom/cgi/lonmodulecheck.pl, revision 1.5

1.1       raeburn     1: #!/usr/bin/perl
                      2: $|=1;
                      3: # Compares checksums for most installed files with expected values
                      4: # and reports discrepancies.
                      5: #
1.5     ! raeburn     6: # $Id: lonmodulecheck.pl,v 1.4 2013/09/10 17:44:01 bisitz Exp $
1.1       raeburn     7: #
                      8: # Copyright Michigan State University Board of Trustees
                      9: #
                     10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     11: #
                     12: # LON-CAPA is free software; you can redistribute it and/or modify
                     13: # it under the terms of the GNU General Public License as published by
                     14: # the Free Software Foundation; either version 2 of the License, or
                     15: # (at your option) any later version.
                     16: #
                     17: # LON-CAPA is distributed in the hope that it will be useful,
                     18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     20: # GNU General Public License for more details.
                     21: #
                     22: # You should have received a copy of the GNU General Public License
                     23: # along with LON-CAPA; if not, write to the Free Software
                     24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     25: #
                     26: # /home/httpd/html/adm/gpl.txt
                     27: #
                     28: # http://www.lon-capa.org/
                     29: #
                     30: 
                     31: use strict;
                     32: 
                     33: use lib '/home/httpd/lib/perl/';
                     34: use Apache::lonnet();
                     35: use Apache::lonlocal();
                     36: use LONCAPA::Configuration();
                     37: use LONCAPA::loncgi();
                     38: use LONCAPA::lonauthcgi();
                     39: use LONCAPA::Checksumming();
1.2       raeburn    40: use LONCAPA;
1.1       raeburn    41: 
                     42: my $perlvar=&LONCAPA::Configuration::read_conf('loncapa.conf');
                     43: my ($londaemons,$lonlib,$lonincludes,$lontabdir,$lonhost);
                     44: if (ref($perlvar) eq 'HASH') {
                     45:     $londaemons = $perlvar->{'lonDaemons'};
                     46:     $lonlib = $perlvar->{'lonLib'};
                     47:     $lonincludes = $perlvar->{'lonIncludes'};
                     48:     $lontabdir = $perlvar->{'lonTabDir'};
                     49:     $lonhost = $perlvar->{'lonHostID'}; 
                     50: }
                     51: undef($perlvar);
                     52: 
                     53: print &LONCAPA::loncgi::cgi_header('text/html',1);
                     54: if ($londaemons ne '' && $lonlib ne '' && $lonincludes ne '' && 
                     55:     $lontabdir ne '' && $lonhost ne '') {
                     56:     &main($londaemons,$lonlib,$lonincludes,$lontabdir,$lonhost);
                     57: }
                     58: 
                     59: sub main {
                     60:     my ($londaemons,$lonlib,$lonincludes,$lontabdir,$lonhost) = @_;
1.3       raeburn    61:     if (&LONCAPA::lonauthcgi::check_ipbased_access('checksums')) {
                     62:         &LONCAPA::loncgi::check_cookie_and_load_env();
                     63:     } else {
1.1       raeburn    64:         if (!&LONCAPA::loncgi::check_cookie_and_load_env()) {
                     65:             &Apache::lonlocal::get_language_handle();
                     66:             print(&LONCAPA::loncgi::missing_cookie_msg());
                     67:             return;
                     68:         }
                     69: 
                     70:         if (!&LONCAPA::lonauthcgi::can_view('checksums')) {
                     71:             &Apache::lonlocal::get_language_handle();
                     72:             print(&LONCAPA::lonauthcgi::unauthorized_msg('checksums'));
                     73:             return;
                     74:         }
                     75:     }
                     76: 
                     77:     &print_differences($londaemons,$lonlib,$lonincludes,$lontabdir,$lonhost);
                     78:     return;
                     79: }
                     80: 
                     81: sub print_differences {
                     82:     my ($londaemons,$lonlib,$lonincludes,$lontabdir,$lonhost) = @_;
                     83:     my $machine_dom = &Apache::lonnet::host_domain($lonhost);
1.5     ! raeburn    84:     my $loncaparev = &Apache::lonnet::get_server_loncaparev($machine_dom,$lonhost);
1.1       raeburn    85:     my ($version,$timestamp) = split(/\-/,$loncaparev);
1.2       raeburn    86:     &Apache::lonlocal::get_language_handle();
                     87:     print(&Apache::loncommon::start_page('Code integrity check'));
1.1       raeburn    88:     if ($loncaparev =~ /CVS_HEAD/) {
1.2       raeburn    89:         print('<h3>'.
                     90:               &Apache::lonlocal::mt('Code checking unavailable for LON-CAPA CVS HEAD').
                     91:               '</h3>');
1.1       raeburn    92:     } else {
1.2       raeburn    93:         print('<h3>'.
1.4       bisitz     94:               &Apache::lonlocal::mt('Code integrity check -- LON-CAPA version: [_1]',
1.1       raeburn    95:                                     $version).
1.2       raeburn    96:               '</h3>');
                     97:         my $distro = &LONCAPA::distro();
1.1       raeburn    98:         if ($distro) {
                     99:             my ($serversums,$serverversions) =
                    100:                 &LONCAPA::Checksumming::get_checksums($distro,$londaemons,$lonlib,
                    101:                                                       $lonincludes,$lontabdir);
                    102:             if ((ref($serversums) eq 'HASH') && (ref($serverversions) eq 'HASH')) {
                    103:                 if (keys(%{$serversums}) > 0) {
                    104:                     my ($result,$numchg) =
                    105:                         &LONCAPA::Checksumming::compare_checksums('web',$lonhost,
                    106:                                                                   $version,
                    107:                                                                   $serversums,
                    108:                                                                   $serverversions);
                    109:                     print($result);
                    110:                 } else {
                    111:                     print(&Apache::lonlocal::mt('No comparison attempted - failed to retrieve checksums for installed files.'));
                    112:                 }
                    113:             } else {
                    114:                 print(&Apache::lonlocal::mt('No comparison attempted - failed to retrieve checksums for installed files.'));
                    115:             }
                    116:         } else {
                    117:             print(&Apache::lonlocal::mt('No comparison attempted - unable to determine Linux distribution.'));
                    118:         }
                    119:     }
                    120:     print(&Apache::loncommon::end_page());
                    121:     return;
                    122: }
                    123: 

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