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Diff for /loncom/auth/lonlogin.pm between versions 1.12 and 1.116

version 1.12, 2002/02/19 21:20:48 version 1.116, 2009/03/16 18:20:17
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,  
 # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9,  
 # 1/17/01 Gerd Kortemeyer  
 #  
 package Apache::lonlogin;  package Apache::lonlogin;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::File ();  use Apache::File ();
 use Apache::lonnet();  use Apache::lonnet;
 use Apache::loncommon();  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'},
         $ENV{'REDIRECT_QUERY_STRING'}),
    ['interface','username','domain','firsturl','localpath','localres',
     'token']);
       if (!defined($env{'form.firsturl'})) {
           &Apache::lonacc::get_posted_cgi($r,['firsturl']);
       }
   
   # -- check if they are a migrating user
       if (defined($env{'form.token'})) {
    return &Apache::migrateuser::handler($r);
       }
   
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($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 $handle = &Apache::lonnet::check_for_valid_session($r);
       if ($handle=~/^publicuser\_/) {
   # For "public user" - remove it, we apparently really want to login
    unlink($r->dir_config('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(
                     $start_page
                    .'<h1>'.&mt('You are already logged in!').'</h1>'
                    .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].',
                     '<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').'</p>'
                    .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
                    .$end_page
                    );
           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 $httpbrowser=$ENV{"HTTP_USER_AGENT"};
       
       my $fullgraph=($env{'form.interface'} ne 'textual');
   
       my $iconpath= 
    &Apache::loncommon::lonhttpdurl($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 $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 $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 $otherserver='http://'.$ENV{'SERVER_NAME'};  # ------------------------------------------------------- Do the load balancing
     my $firsturl=$ENV{'request.firsturl'};      my $otherserver= &Apache::lonnet::absolute_url($host_name);
 # ---------------------------------------- Are we access server and overloaded?      my $firsturl=
     if (($role eq 'access') && ($loadpercent>100.0)) {      ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
         $otherserver=Apache::lonnet::spareserver();  # ---------------------------------------------------------- Are we overloaded?
       if ((($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  # -------------------------------------------------------- Set login parameters
   
     my @hexstr=('0','1','2','3','4','5','6','7',      my @hexstr=('0','1','2','3','4','5','6','7',
Line 84  sub handler { Line 166  sub handler {
     }      }
   
     my $lextkey=hex($lkey);      my $lextkey=hex($lkey);
       if ($lextkey>2147483647) { $lextkey-=4294967296; }
   
     my $uextkey=hex($ukey);      my $uextkey=hex($ukey);
       if ($uextkey>2147483647) { $uextkey-=4294967296; }
   
   # -------------------------------------------------------- Store away log token
     my $logtoken=Apache::lonnet::reply(      my $logtoken=Apache::lonnet::reply(
        'tmpput:'.$ukey.$lkey.'&'.$firsturl,         'tmpput:'.$ukey.$lkey.'&'.$firsturl,
        $lonhost);         $lonhost);
   
 # --------------------------------------------------- Print login screen header  # ------------------- If we cannot talk to ourselves, we are in serious trouble
     $r->print(<<ENDHEADER);  
 <html>  
 <head>  
 <title>The LearningOnline Network with CAPA Login</title>  
 </head>  
 ENDHEADER  
 # ---------------------------------------------------- Serve out DES JavaScript  
     {  
  my $jsh=Apache::File->new($include."/londes.js");  
         $r->print(<$jsh>);  
     }  
 # ---------------------------------------------------------- Serve rest of page  
     $r->print(<<ENDDOCUMENT);  
   
 <body bgcolor="#FFFFFF" text="#000000" link="#999999" vlink="#999999"  
  onLoad="init();">  
   
 <script language="JavaScript">      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.'">'.
                   $hostname.'</a>'.
                   ' '.&mt('(preferred)').'</font>'.$/;
       $last=$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;
   }
   $r->print(
      '<html>'
     .'<head><title>'
     .&mt('The LearningOnline Network with CAPA')
     .'</title></head>'
     .'<body bgcolor="#FFFFFF">'
     .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
     .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
     .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'
     .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>'
     .$spares
     .'</body>'
     .'</html>'
   );
   return OK;
   }
   
   # ----------------------------------------------- Apparently we are in business
   $servadm=~s/\,/\<br \/\>/g;
   
   # ----------------------------------------------------------- Front page design
   my $pgbg=
   ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
   my $font=
   ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
   my $link=
   ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
   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 $logo=&Apache::loncommon::designparm('login.logo',$domain);
   my $img=&Apache::loncommon::designparm('login.img',$domain);
   my $domainlogo=&Apache::loncommon::domainlogo($domain);
   my $login=&Apache::loncommon::designparm('login.login',$domain);
   if ($login eq '') {
   $login = $iconpath.'/'.&mt('userauthentication.gif');
   }
   my $showbanner = 1;
   my $showmainlogo = 1;
   if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
       $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
   }
   if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
       $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
   }
   my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
   my $showcoursecat =
   &Apache::loncommon::designparm('login.coursecatalog',$domain);
   my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
   my $shownewuserlink = 
   &Apache::loncommon::designparm('login.newuser',$domain);
   my $now=time;
   my $js = (<<ENDSCRIPT);
   
   <script type="text/javascript" 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;
   
   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>
   
     function send() {  ENDSCRIPT
  this.document.server.elements.uname.value  
        =this.document.client.elements.uname.value;  
   
         this.document.server.elements.udom.value  # --------------------------------------------------- Print login screen header
        =this.document.client.elements.udom.value;  
   
         uextkey=this.document.client.elements.uextkey.value;  my %add_entries = (topmargin    => "0",
         lextkey=this.document.client.elements.lextkey.value;         leftmargin   => "0",
         initkeys();         marginheight => "0",
          marginwidth  => "0",
          bgcolor      => "$mainbg",
          text         => "$font",
          link         => "$link",
          vlink        => "$vlink",
          alink        => "$alink",);
   
   $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
          { 'redirect'       => [$expire,'/adm/roles'], 
    'add_entries' => \%add_entries,
    'only_body'   => 1,}));
   
   # ----------------------------------------------------------------------- Texts
   
   my %lt=&Apache::lonlocal::texthash(
     'un'  => 'Username',
     'pw'  => 'Password',
     'dom' => 'Domain',
     'perc' => 'percent',
     'load' => 'Server Load',
     'userload' => 'User Load',
     'about'  => 'About LON-CAPA',
     'catalog' => 'Course Catalog',
     'log' => 'Log in',
     'help' => 'Log-in Help',
     'serv' => 'Server',
     'servadm' => 'Server Administration',
     'helpdesk' => 'Contact Helpdesk',
     'forgotpw' => 'Forgot password?',
     'newuser'  => 'New User?',
     );
   # -------------------------------------------------- Change password field name
   my $forgotpw = &forgotpwdisplay(%lt);
   my $loginhelp = &loginhelpdisplay(%lt);
   
         this.document.server.elements.upass.value  # ---------------------------------------------------- Serve out DES JavaScript
     =crypted(this.document.client.elements.upass.value);  {
   my $jsh=Apache::File->new($include."/londes.js");
   $r->print(<$jsh>);
   }
   # ---------------------------------------------------------- Serve rest of page
   
         this.document.server.submit();  if ($fullgraph) {
   $r->print(
     '<div class="LC_loginpage_container">');
   }
   
   $r->print(<<ENDSERVERFORM);
   <form name="server" action="$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="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="localpath" value="$env{'form.localpath'}" />
      <input type="hidden" name="localres" value="$env{'form.localres'}" />
     </form>
   ENDSERVERFORM
   my $coursecatalog;
   if (($showcoursecat eq '') || ($showcoursecat)) {
       $coursecatalog = &coursecatalog_link($lt{'catalog'});
   }
   my $newuserlink;
   if ($shownewuserlink) {
       $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
   }
   my $logintitle;
   if ($loginheader eq 'text') {
       $logintitle ='<h2>'.$lt{'log'}.'</h2>';
   } else {
       $logintitle = '<img src="'.$login.'" alt="'.
                     &mt('User Authentication').'" />';
   }
   
   my $noscript_warning='<noscript><span class="LC_warning"><b>'
                        .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
                       .'</b></span></noscript>';
   my $helpdeskscript;
   my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
                               $version,$authdomain,\$helpdeskscript);
   
   my $loginform=(<<LFORM);
   <form name="client" onsubmit="return(send())">
     <input type="hidden" name="lextkey" value="$lextkey" />
     <input type="hidden" name="uextkey" value="$uextkey" />
     <b><label for="uname">$lt{'un'}</label>:</b><br />
     <input type="text" name="uname" size="15" value="$authusername" /><br />
     <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
     <input type="password" name="upass$now" size="15" /><br />
     <b><label for="udom">$lt{'dom'}</label>:</b><br />
     <input type="text" name="udom" size="15" value="$authdomain" /><br />
     <input type="submit" value="$lt{'log'}" />
   </form>
   LFORM
   
   if ($fullgraph) {
       if ($showbanner) {
           $r->print(<<HEADER);
   <!-- The LON-CAPA Header -->
   <table border="0" align="left" width="100%" cellspacing="0" cellpadding="1">
    <tr>
     <td align="left" valign="top" bgcolor="$pgbg">
         <img src="$img" border="0" alt="The Learning Online Network with CAPA" />
     </td>
    </tr>
   </table>
   HEADER
     }      }
       if ($showmainlogo) {
           $r->print('<div class="LC_loginpage_space">&nbsp;</div>'."\n".
                     '    <img src="'.$logo.'" alt="" />'."\n");
       }
       $r->print(<<ENDTOP);
   <div class="LC_loginpage_loginDomain">$domainlogo</div>
   <div class="LC_loginpage_loginContainer">
     $logintitle
      <table border="0" align="left" cellspacing="1" cellpadding="2" width="100%">
         <tr>
      <td>
    $loginform
              </td>
         </tr>
      </table>  
      $noscript_warning
   </div>
     
   <div class="LC_loginpage_loginInfo">
           $loginhelp<br />
           $forgotpw<br />
    $contactblock<br />
           $newuserlink
           $coursecatalog<br /><br />
           <a href="/adm/about.html"><b>$lt{'about'}</b></a>
   </div>
   
   <div class="LC_loginpage_space">&nbsp;</div>
   $announcements
   ENDTOP
   }
   
   if($announcements){$r->print('<div class="LC_loginpage_space">&nbsp;</div>');}
   
   if ($fullgraph) {
   $r->print(<<ENDDOCUMENT);
        <table border="0" cellspacing="0" cellpadding="0">
         <tr>
          <td  align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:&nbsp;</b></small>
          </td>
          <td  align="left" valign="top">
           <small><tt>&nbsp;$domain</tt></small>
          </td>
         </tr>
         <tr>
          <td  align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'serv'}:&nbsp;</b></small>
          </td>
          <td align="left" valign="top">
           <small><tt>&nbsp;$lonhost ($role)</tt></small>
          </td>
         </tr>
         <tr>
          <td align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'load'}:&nbsp;</b></small>
          </td>
          <td align="left" valign="top">
           <small><tt>&nbsp;$loadpercent $lt{'perc'}</tt></small>
          </td>
         </tr>
         <tr>
          <td align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'userload'}:&nbsp;</b></small>
          </td>
          <td align="left" valign="top">
           <small><tt>&nbsp;$userloadpercent $lt{'perc'}</tt></small>
          </td>
         </tr>
        </table>
    </div>
   
   <script type="text/javascript">
   // the if prevents the script error if the browser can not handle this
   if ( document.client.uname ) { document.client.uname.focus(); }
 </script>  </script>
   $helpdeskscript
   
 <a href="/adm/accessibility.html">Accessibility Options</a>  
 &nbsp;&nbsp;  
 <a href="/adm/about.html">About LON-CAPA</a><p>  
 <table width=600>  
 <tr><td>  
 <img src="$iconpath/lonlogo.gif"></td>  
 <td colspan=2 bgcolor="#DDDDDD">  
 <font size=+1><b>User Authentication</b></font><p>  
   
  <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=uname value="">  
   <input type=hidden name=upass value="">  
   <input type=hidden name=udom value="">  
  </form>  
   
  <form name="client">  
  <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=$domain name=udom></td>  
  </tr>  
  <tr><td colspan=2><input type=button value=Login onClick="send();"></td></tr>  
  </table>  
  <input type=hidden name=lextkey value="$lextkey">  
  <input type=hidden name=uextkey value="$uextkey">  
  </form>  
   
 </td>  
 </tr><tr><td bgcolor="#DDDDDD">  
 <table border=1 bgcolor="#BBBBBB">  
 <tr><td><font size="-1"><b>Domain:</b></font></td>  
     <td><font size="-1"><tt>$domain</tt></font></td>  
     <td rowspan=3><font size="-1"><b>System Administration:</b><br>  
                   <tt>$sysadm</tt><br>  
                   <b>Server Administration:</b><br>  
                   <tt>$servadm</tt></font></td></tr>  
 <tr><td><font size="-1"><b>Server:</b></font></td>  
     <td><font size="-1"><tt>$lonhost ($role)</tt></font></td></tr>  
 <tr><td><font size="-1"><b>Load:</b></font></td>  
     <td><font size="-1"><tt>$loadpercent</tt> percent</font></td></tr>  
 </table>  
 </td><td>  
 <font size="+1">  
 <b>L</b>aboratory&nbsp;for<br>  
 <b>I</b>nstructional<br>  
 <b>T</b>echnology&nbsp;in<br>  
 <b>E</b>ducation</td><td>  
 <img src="$iconpath/liteani.gif"></font></td></tr></table>  
 </body>  
 </html>  
 ENDDOCUMENT  ENDDOCUMENT
   }
       my %endargs = ( 'noredirectlink' => 1, );
       $r->print(&Apache::loncommon::end_page(\%endargs));
     return OK;      return OK;
 }   }
   
   sub contactdisplay {
       my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
       my $contactblock;
       my $showhelpdesk = 0;
       my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
       if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
           $showhelpdesk = 1;
       }
       if ($servadm && $showadminmail) {
           $contactblock .= '<b>&nbsp;&nbsp;&nbsp;'.$$lt{'servadm'}.':</b><br />'.
                            '<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.$servadm.'</tt><br />&nbsp;<br />';
       }
       if ($showhelpdesk) {
           $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
           my $thisurl = &escape('/adm/login');
           $$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 '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
       }
       return;
   }
   
   sub loginhelpdisplay {
       my (%lt) = @_;
       my $login_help = 1;
       if ($login_help) {
           return '<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a>';
       }
       return;
   }
   
   sub coursecatalog_link {
       my ($linkname) = @_;
       return <<"END";
         <a href="/adm/coursecatalog">$linkname</a>
   END
   }
   
   sub newuser_link {
       my ($linkname) = @_;
       return '&nbsp;&nbsp;&nbsp;<a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />';
   }
   
 1;  1;
 __END__  __END__
Removed from v.1.12  
changed lines
  Added in v.1.116

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