[BACK]Return to lonlogin.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / auth

Diff for /loncom/auth/lonlogin.pm between versions 1.1.1.1 and 1.89

version 1.1.1.1, 1999/10/13 17:48:52 version 1.89, 2007/03/08 01:58:48
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # Login Screen  # Login Screen
 # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer  
 #  #
   # $Id$
   #
   # 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/
   #
   
 package Apache::lonlogin;  package Apache::lonlogin;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   use CGI::Cookie();
 use Apache::File ();  use Apache::File ();
 use Apache::lonnet();  use Apache::lonnet;
   use Apache::loncommon();
   use Apache::lonauth();
   use Apache::lonlocal;
   use Apache::migrateuser();
   use lib '/home/httpd/lib/perl/';
   use LONCAPA;
    
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     $r->content_type('text/html');  
       &Apache::loncommon::get_unprocessed_cgi
    (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
         $ENV{'REDIRECT_QUERY_STRING'}),
    ['interface','username','domain','firsturl','localpath','localres',
     'token']);
   
   # -- check if they are a migrating user
       if (defined($env{'form.token'})) {
    return &Apache::migrateuser::handler($r);
       }
   
       &Apache::loncommon::no_cache($r);
       &Apache::lonlocal::get_language_handle($r);
       &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
   
     my $iconpath= $r->dir_config('lonIconsURL');  
     my $domain  = $r->dir_config('lonDefDomain');  # Are we re-routing?
       if (-e '/home/httpd/html/lon-status/reroute.txt') {
    &Apache::lonauth::reroute($r);
    return OK;
       }
   
   
   # -------------------------------- Prevent users from attempting to login twice
       my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
       my $lonid=$cookies{'lonID'};
       my $cookie;
       if ($lonid) {
    my $handle=&LONCAPA::clean_handle($lonid->value);
           my $lonidsdir=$r->dir_config('lonIDsDir');
    if (-e "$lonidsdir/$handle.id") {
   # Is there an existing token file?
       if ($handle=~/^publicuser\_/) {
   # For "public user" - remove it, we apparently really want to login
    unlink("$lonidsdir/$handle.id");
       } elsif ($handle ne '') {
   # Indeed, a valid token is found
    my $start_page = 
       &Apache::loncommon::start_page('Already logged in');
    my $end_page = 
       &Apache::loncommon::end_page();
    $r->print(<<ENDFAILED);
   $start_page
   <h1>You are already logged in</h1>
   <p>Please either <a href="/adm/roles">continue the current session</a> or
   <a href="/adm/logout">logout</a>.</p>
   <p>
   <a href="/adm/loginproblems.html">Problems?</a></p>
   $end_page
   ENDFAILED
                   return OK;
        }  
    }
       }
   
   # ---------------------------------------------------- No valid token, continue
   
    # ---------------------------- Not possible to really login to domain "public"
       if ($env{'form.domain'} eq 'public') {
    $env{'form.domain'}='';
    $env{'form.username'}='';
       }
   # ----------------------------------------------------------- Process Interface
       $env{'form.interface'}=~s/\W//g;
   
       my $textbrowsers=$r->dir_config('lonTextBrowsers');
       my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
       
       foreach (split(/\:/,$textbrowsers)) {
    if ($httpbrowser=~/$_/i) {
       $env{'form.interface'}='textual';
           }
       }
   
       my $fullgraph=($env{'form.interface'} ne 'textual');
       my $port_to_use=$r->dir_config('lonhttpdPort');
       if (!defined($port_to_use)) {
    $port_to_use='8080';
       }
       my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.
                     $r->dir_config('lonIconsURL');
       my $domain = &Apache::lonnet::default_login_domain();
       if (($env{'form.domain'}) && 
    (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
    $domain=$env{'form.domain'};
       }
     my $role    = $r->dir_config('lonRole');      my $role    = $r->dir_config('lonRole');
     my $loadlim = $r->dir_config('lonLoadLim');      my $loadlim = $r->dir_config('lonLoadLim');
     my $servadm = $r->dir_config('lonAdmEMail');  
     my $sysadm  = $r->dir_config('lonSysEMail');  
     my $lonhost = $r->dir_config('lonHostID');      my $lonhost = $r->dir_config('lonHostID');
     my $tabdir  = $r->dir_config('lonTabDir');      my $tabdir  = $r->dir_config('lonTabDir');
       my $include = $r->dir_config('lonIncludes');
       my $expire  = $r->dir_config('lonExpire');
       my $version = $r->dir_config('lonVersion');
       my $host_name = &Apache::lonnet::hostname($lonhost);
   
   # --------------------------------------------- Default values for login fields
   
       my $authusername=($env{'form.username'}?$env{'form.username'}:'');
       my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
   
   # ---------------------------------------------------------- Determine own load
     my $loadavg;      my $loadavg;
    {      {
        my $loadfile=Apache::File->new('/proc/loadavg');   my $loadfile=Apache::File->new('/proc/loadavg');
        $loadavg=<$loadfile>;   $loadavg=<$loadfile>;
    }      }
     $loadavg =~ s/\s.*//g;      $loadavg =~ s/\s.*//g;
     my $loadpercent=100*$loadavg/$loadlim;      my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
       my $userloadpercent=&Apache::lonnet::userload();
   
     my $otherserver='';  # ------------------------------------------------------- Do the load balancing
       my $otherserver= &Apache::lonnet::absolute_url($host_name);
       my $firsturl=
       ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
 # ---------------------------------------- Are we access server and overloaded?  # ---------------------------------------- Are we access server and overloaded?
     if (($role eq 'access') && ($loadpercent>100.0)) {      if (($role eq 'access') &&
         $otherserver=Apache::lonnet::spareserver();   (($userloadpercent>100.0)||($loadpercent>100.0))) {
           my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
    if ($unloaded) { $otherserver=$unloaded; }
       }
   
   # ----------------------------------------------------------- Get announcements
       my $announcements=&Apache::lonnet::getannounce();
   # -------------------------------------------------------- Set login parameters
   
       my @hexstr=('0','1','2','3','4','5','6','7',
                   '8','9','a','b','c','d','e','f');
       my $lkey='';
       for (0..7) {
           $lkey.=$hexstr[rand(15)];
       }
   
       my $ukey='';
       for (0..7) {
           $ukey.=$hexstr[rand(15)];
       }
   
       my $lextkey=hex($lkey);
       if ($lextkey>2147483647) { $lextkey-=4294967296; }
   
       my $uextkey=hex($ukey);
       if ($uextkey>2147483647) { $uextkey-=4294967296; }
   
   # -------------------------------------------------------- Store away log token
       my $logtoken=Apache::lonnet::reply(
          'tmpput:'.$ukey.$lkey.'&'.$firsturl,
          $lonhost);
   
   # ------------------- If we cannot talk to ourselves, we are in serious trouble
   
       if ($logtoken eq 'con_lost') {
           my $spares='';
    my $last;
           foreach my $hostid (sort
       {
    &Apache::lonnet::hostname($a) cmp
       &Apache::lonnet::hostname($b);
       }
       keys(%Apache::lonnet::spareid)) {
               next if ($hostid eq $lonhost);
       my $hostname = &Apache::lonnet::hostname($hostid);
       next if ($last eq $hostname);
               $spares.='<br /><font size="+1"><a href="http://'.
                   $hostname.
                   '/adm/login?domain='.$authdomain.'">'.
                   $hostname.'</a>'.
                   ' (preferred)</font>'.$/;
       $last=$hostname;
           }
           $spares.= '<br />';
    my %all_hostnames = &Apache::lonnet::all_hostnames();
           foreach my $hostid (sort
       {
    &Apache::lonnet::hostname($a) cmp
       &Apache::lonnet::hostname($b);
       }
       keys(%all_hostnames)) {
               next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
       my $hostname = &Apache::lonnet::hostname($hostid);
               next if ($last eq $hostname);
               $spares.='<br /><a href="http://'.
                   $hostname.
                   '/adm/login?domain='.$authdomain.'">'.
                   $hostname.'</a>';
       $last=$hostname;
           }
    $r->print(<<ENDTROUBLE);
   <html>
   <head><title>The LearningOnline Network with CAPA</title></head>
   <body bgcolor="#FFFFFF">
   <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
   <h3>This LON-CAPA server is temporarily not available for login</h3>
   <p>Please attempt to login to one of the following servers:</p>$spares
   </body>
   </html>
   ENDTROUBLE
           return OK;
     }      }
 # ---------------------------------------------------------- Print login screen  
     $r->print(<<ENDDOCUMENT);  # ----------------------------------------------- Apparently we are in business
   
       my $domainlogo=&Apache::loncommon::domainlogo($domain);
   
   # --------------------------------------------------- Print login screen header
       $r->print(<<ENDHEADER);
 <html>  <html>
 <head>  <head>
 <title>The LearningOnline Network Login</title>  <meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" />
   <title>The LearningOnline Network with CAPA Login</title>
 </head>  </head>
 <body bgcolor="#FFFFFF">  ENDHEADER
 <table width=600>  # ---------------------------------------------------- Serve out DES JavaScript
 <tr><td><img src="$iconpath/lonlogo.gif"></td>      {
 <td bgcolor="#DDDDDD">   my $jsh=Apache::File->new($include."/londes.js");
  <form action="$otherserver/adm/authenticate" method="post" target="_top">          $r->print(<$jsh>);
  <table border=2 bgcolor="#BBBBBB">      }
  <tr><td>Username:</td><td><input type=text size=10 name=uname></td></tr>  
  <tr><td>Password:</td><td><input type=password size=10 name=upass></td></tr>  
  <tr><td>Domain:</td><td><input type=text size=10 value=$domain name=udom></td>  
  </tr>  
  <tr><td colspan=2><input type=submit value=Login></td></tr>  
  </table>  
  </form><p>  
   
  <form action="$otherserver/adm/newkey" method="post" target="_top">  # ----------------------------------------------------------- Front page design
  <table border=2 bgcolor="#BBBBBB">      my $pgbg=
  <tr><td>Key:</td><td><input type=text size=22 name=ukey></td></tr>        ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
  <tr><td>Class:</td><td><input type=password size=10 name=uclass></td></tr>      my $font=
  <tr><td>Domain:</td><td><input type=text size=10 value=$domain name=udom></td>        ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
  </tr><tr><td colspan=2><input type=submit value="Register New Key"></td></tr>      my $link=
  </table>        ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
  </form>      my $vlink=
         ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
       my $alink=&Apache::loncommon::designparm('login.alink',$domain);
       my $mainbg=
         ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
       my $sidebg=
         ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
       my $logo=&Apache::loncommon::designparm('login.logo',$domain);
       my $img=&Apache::loncommon::designparm('login.img',$domain);
   
   # ----------------------------------------------------------------------- Texts
   
   my %lt=&Apache::lonlocal::texthash(
     'un'  => 'Username',
     'pw'  => 'Password',
     'dom' => 'Domain',
     'perc' => 'percent',
     'load' => 'Load',
                     'userload' => 'User Load',
                     'about'  => 'About LON-CAPA',
                     'access' => 'Accessibility Options',
                     'catalog' => 'Course Catalog',
     'auth' => 'userauthentication.gif',
     'log' => 'Log in',
     'help' => 'Log-in Help',
     'serv' => 'Server',
                     'helpdesk' => 'Contact Helpdesk',
                     'forgotpw' => 'Forgot password?');
   # -------------------------------------------------- Change password field name
       my $now=time;
       my $forgotpw = &forgotpwdisplay(%lt);
       my $loginhelp = &loginhelpdisplay(%lt);
   # ---------------------------------------------------------- Serve rest of page
       $r->print(<<ENDSCRIPT);
   
   <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"
     topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
   
    <script language="JavaScript">
       function send()
       {
    this.document.server.elements.uname.value
          =this.document.client.elements.uname.value;
   
           this.document.server.elements.udom.value
          =this.document.client.elements.udom.value;
   
           this.document.server.elements.imagesuppress.value
          =this.document.client.elements.imagesuppress.checked;
   
           this.document.server.elements.embedsuppress.value
          =this.document.client.elements.embedsuppress.checked;
   
           this.document.server.elements.appletsuppress.value
          =this.document.client.elements.appletsuppress.checked;
   
           this.document.server.elements.fontenhance.value
          =this.document.client.elements.fontenhance.checked;
   
           this.document.server.elements.blackwhite.value
          =this.document.client.elements.blackwhite.checked;
   
           this.document.server.elements.remember.value
          =this.document.client.elements.remember.checked;
   
           uextkey=this.document.client.elements.uextkey.value;
           lextkey=this.document.client.elements.lextkey.value;
           initkeys();
   
           this.document.server.elements.upass0.value
       =crypted(this.document.client.elements.upass$now.value.substr(0,15));
    this.document.server.elements.upass1.value
       =crypted(this.document.client.elements.upass$now.value.substr(15,15));
    this.document.server.elements.upass2.value
       =crypted(this.document.client.elements.upass$now.value.substr(30,15));
   
           this.document.client.elements.uname.value='';
           this.document.client.elements.upass$now.value='';
   
           this.document.server.submit();
    return false;
       }
    </script>
   ENDSCRIPT
   
       if ($fullgraph) {
    $r->print(
     '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
       }
   
       $r->print(<<ENDSERVERFORM);
     <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
      <input type="hidden" name="logtoken" value="$logtoken" />
      <input type="hidden" name="serverid" value="$lonhost" />
      <input type="hidden" name="interface" value="$env{'form.interface'}" />
      <input type="hidden" name="uname" value="" />
      <input type="hidden" name="upass0" value="" />
      <input type="hidden" name="upass1" value="" />
      <input type="hidden" name="upass2" value="" />
      <input type="hidden" name="udom" value="" />
      <input type="hidden" name="imagesuppress"  value="" />
      <input type="hidden" name="appletsuppress"  value="" />
      <input type="hidden" name="embedsuppress"  value="" />
      <input type="hidden" name="fontenhance"  value="" />
      <input type="hidden" name="blackwhite"  value="" />
      <input type="hidden" name="remember"  value="" />
      <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
      <input type="hidden" name="localres" value="$env{'form.localres'}" />
     </form>
   ENDSERVERFORM
       if ($fullgraph) { $r->print(<<ENDTOP);
     <!-- The LON-CAPA Header -->
     <tr>
   
      <!-- Row 1 Columns 2-4 -->
      <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
     </tr>
   
     <!-- The gray bar that starts the two table frames -->
     <tr>
   
      <!-- Row 2 Column 1 -->
      <td width=182 height=27 bgcolor="$sidebg">&nbsp;</td>
   
      <!-- Row 2 Column 2 -->
      <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
   
      <!-- Row 2 Column 3 -->
      <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
   
      <!-- Row 2 Column 4 -->
      <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
     </tr>
     <tr>
      
      <!-- A cell that will hold the 'access', 'about', and 'catalog' links -->
      <!-- Row 3 Column 1 -->
      <td valign="top" height="60" align="left" bgcolor="$sidebg">
       <table cellpadding="0" cellspacing="2" border="0">
        <tr>
         <td>&nbsp;</td>
         <td><a href="/adm/login?interface=textual"><b>$lt{'access'}</b></a></td>
        </tr>
        <tr>
         <td>&nbsp;</td>
         <td><a href="/adm/about.html"><b>$lt{'about'}</b></a></td>
        </tr>
        <tr>
         <td>&nbsp;</td>
         <td><a href="/adm/coursecatalog"><b>$lt{'catalog'}</b></a></td>
        </tr>
        <tr>
         <td colspan="2">&nbsp;</td>
        </tr>
       </table>
      </td>
      <!-- The shaded space between the two main columns -->
      <!-- Row 3 Column 2 -->
      <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
   
      <!-- The right main column holding the large LON-CAPA logo-->
      <!-- Rows 3-4 Column 3 -->
      <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
       <center>
        <img src="$logo" alt="" />
       </center>
      </td>
   
      <!-- Row 3 Column 4 -->
      <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
     </tr>
     <tr>
   
      <!-- The entry form -->
      <!-- Row 4 Column 1 -->
      <td align="center" valign="middle" bgcolor="$sidebg">
   ENDTOP
   } else {
       $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
   }
       $r->print('<form name="client" onsubmit="return(send())">');
       unless ($fullgraph) {
           $r->print(<<ENDACCESSOPTIONS);
   <h3>Select Accessibility Options</h3>
   <label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br />
   <label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br />
   <label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br />
   <label><input type="checkbox" name="fontenhance" /> Increase font size</label><br />
   <label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><br />
   <input type="checkbox" name="remember" /> Remember these settings for next login<hr />
   ENDACCESSOPTIONS
   } else {
       $r->print(<<ENDNOOPT);
   <input type="hidden" name="imagesuppress"  value="" />
   <input type="hidden" name="embedsuppress"  value="" />
   <input type="hidden" name="appletsuppress"  value="" />
   <input type="hidden" name="fontenhance"  value="" />
   <input type="hidden" name="blackwhite"  value="" />
   <input type="hidden" name="remember"  value="" />
   ENDNOOPT
   }
       $r->print(<<ENDLOGIN);
        <input type="hidden" name="lextkey" value="$lextkey">
        <input type="hidden" name="uextkey" value="$uextkey">
   
        <!-- Start the sub-table for text and input alignment -->
        <table border=0 cellspacing=0 cellpadding=0>
         <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/$lt{'auth'}" alt="User Authentication" /></td></tr>
         <tr>
          <td bgcolor="$mainbg"><br /><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'un'}:</b></font></td>
          <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
         </tr>
         <tr>
          <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'pw'}:</b></font></td>
          <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
         </tr>
         <tr>
          <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:</b></font></td>
          <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
         </tr>
         <tr>
          <td bgcolor="$mainbg">&nbsp;</td>
          <td bgcolor="$mainbg" valign="bottom" align="center">
           <br />
           <input type="submit" value="$lt{'log'}" />
          </td>
         </tr>
         <tr>
          <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
           $loginhelp
           $forgotpw
          </td>
         </tr>
        </table>
        <!-- End sub-table -->
       </form>
   ENDLOGIN
       if ($fullgraph) {
           my $helpdeskscript;
           my $contactblock = &contactdisplay(\%lt,$version,$authdomain,\$helpdeskscript);
    $r->print(<<ENDDOCUMENT);
      </td>
   
      <!-- Row 4 Column 2 -->
      <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
   
      <!-- Row 4 Column 3 -->
   <td bgcolor="$mainbg">$announcements</td>
   
      <!-- Row 4 Column 4 -->
      <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
     </tr>
     <tr>
   
      <!-- Row 5 Column 1 -->
      <td bgcolor="$sidebg" valign="middle" align="left">
        <br />
        <table border=0 cellspacing=0 cellpadding=0>
         <tr>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:&nbsp;</b></small>
          </td>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><tt>&nbsp;$domain</tt></small>
          </td>
         </tr>
         <tr>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'serv'}:&nbsp;</b></small>
          </td>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><tt>&nbsp;$lonhost ($role)</tt></small>
          </td>
         </tr>
         <tr>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'load'}:&nbsp;</b></small>
          </td>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><tt>&nbsp;$loadpercent $lt{'perc'}</tt></small>
          </td>
         </tr>
         <tr>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'userload'}:&nbsp;</b></small>
          </td>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><tt>&nbsp;$userloadpercent $lt{'perc'}</tt></small>
          </td>
         </tr>
        </table>
        <br />
       $contactblock
      </td>
   
      <!-- Row 5 Column 2 -->
      <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
   
      <!-- Row 5 Column 3 -->
      <td width="100%" valign="bottom" bgcolor="$mainbg">
   $domainlogo
 </td>  </td>
 </tr><tr><td bgcolor="#DDDDDD">  
 <table border=1 bgcolor="#BBBBBB">     <!-- Row 5 Column 4 -->
 <tr><td><font size="-2"><b>Domain:</b></font></td>     <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
     <td><font size="-2"><tt>$domain</tt></font></td>    </tr>
     <td rowspan=3><font size="-2"><b>LON System Administration:</b><br>    <tr>
                   <tt>$sysadm</tt><br>  
                   <b>Server Administration:</b><br>     <!-- Row 6 Column 1 -->
                   <tt>$servadm</tt></font></td></tr>     <td bgcolor="$sidebg">&nbsp;</td>
 <tr><td><font size="-2"><b>Server:</b></font></td>  
     <td><font size="-2"><tt>$lonhost ($role)</tt></font></td></tr>     <!-- Row 6 Column 2 -->
 <tr><td><font size="-2"><b>Load:</b></font></td>     <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
     <td><font size="-2"><tt>$loadpercent</tt> percent</font></td></tr>  
 </table><p><font size="-1">     <!-- Row 6 Column 3 -->
 The Learning<i>Online</i> Network is a MSU College of Natural Science      <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
 collaboration involving Competency Based  
 Instruction (<b>CBI</b>),      <!-- Row 6 Column 4 -->
 Lecture<i>Online</i> (<b>LOL</b>) and Computer-Assisted Personalized      <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
 Approach (<b>CAPA</b>).<br>    </tr>
 Copyright 1999, Michigan State University Board of Trustees</font>   </table>
 </td><td>  
 <table align=right><tr><td><font size="+1">  <script type="text/javascript">
 <b>L</b>aboratory for <br><b>I</b>nstructional<br><b>T</b>echnology in<br>  // the if prevents the script error if the browser can not handle this
 <b>E</b>ducation</td><td>  if ( document.client.uname ) { document.client.uname.focus(); }
 <img src="$iconpath/liteani.gif"></font></td></tr></table></tr></table>  </script>
 </body>  $helpdeskscript
 </html>  
 ENDDOCUMENT  ENDDOCUMENT
   }
       $r->print('</body></html>');
     return OK;      return OK;
 }   }
   
   sub contactdisplay {
       my ($lt,$version,$authdomain,$helpdeskscript) = @_;
       my $contactblock;
       my $showhelpdesk = 0;
       my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
       if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
           $showhelpdesk = 1;
       }
       if ($showhelpdesk) {
           $contactblock .= '<b>&nbsp;&nbsp;&nbsp;<a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
           my $thisurl = &escape('/adm/login');
           $$helpdeskscript = <<"ENDSCRIPT";
   <script type="text/javascript">
   function helpdesk() {
       var codedom = document.client.udom.value;
       if (codedom == '') {
           codedom = "$authdomain";
       }
       var querystr = "origurl=$thisurl&codedom="+codedom;
       document.location.href = "/adm/helpdesk?"+querystr;
       return;
   }
   </script>
   ENDSCRIPT
       }
       $contactblock .= <<"ENDBLOCK";
        &nbsp;&nbsp;&nbsp;$version
   ENDBLOCK
       return $contactblock;
   }
   
   sub forgotpwdisplay {
       my (%lt) = @_;
       my $prompt_for_resetpw = 1; 
       if ($prompt_for_resetpw) {
           return '<br />&nbsp;&nbsp;&nbsp;<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a></b><br /><br />';
       }
       return;
   }
   
   sub loginhelpdisplay {
       my (%lt) = @_;
       my $login_help = 1;
       if ($login_help) {
           return '&nbsp;&nbsp;&nbsp;<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a></b>';
       }
       return;
   }
   
 1;  1;
 __END__  __END__
Removed from v.1.1.1.1  
changed lines
  Added in v.1.89

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.