admin/mnet/index.php

   1 <?PHP // $Id$
   2
   3     // Allows the admin to configure mnet stuff
   4
   5     require_once(dirname(dirname(dirname(__FILE__))) . '/config.php');
   6     require_once($CFG->libdir.'/adminlib.php');
   7     include_once($CFG->dirroot.'/mnet/lib.php');
   8
   9     require_login();
  10     $adminroot = admin_get_root();
  11     admin_externalpage_setup('net', $adminroot);
  12
  13     $context = get_context_instance(CONTEXT_SYSTEM, SITEID);
  14
  15     require_capability('moodle/site:config', $context, $USER->id, true, "nopermissions");
  16
  17
  18     if (!extension_loaded('openssl')) {
  19         admin_externalpage_print_header($adminroot);
  20         set_config('mnet_dispatcher_mode', 'off');
  21         print_error('requiresopenssl', 'mnet', '', NULL, true);
  22     }
  23
  24     if (!$site = get_site()) {
  25         admin_externalpage_print_header($adminroot);
  26         set_config('mnet_dispatcher_mode', 'off');
  27         print_error('nosite', '', '', NULL, true);
  28     }
  29
  30     if (!function_exists('curl_init') ) {
  31         admin_externalpage_print_header($adminroot);
  32         set_config('mnet_dispatcher_mode', 'off');
  33         print_error('nocurl', 'mnet', '', NULL, true);
  34     }
  35
  36     if (!isset($CFG->mnet_dispatcher_mode)) {
  37         set_config('mnet_dispatcher_mode', 'off');
  38     }
  39
  40 /// If data submitted, process and store
  41     if (($form = data_submitted()) && confirm_sesskey()) {
  42         if (!empty($form->submit) && $form->submit == get_string('savechanges')) {
  43             if (in_array($form->mode, array("off", "strict", "promiscuous"))) {
  44                 if (set_config('mnet_dispatcher_mode', $form->mode)) {
  45                     redirect('index.php', get_string('changessaved'));
  46                 } else {
  47                     error('Invalid action parameter.', 'index.php');
  48                 }
  49             }
  50         } elseif (!empty($form->submit) && $form->submit == get_string('delete')) {
  51             $MNET->get_private_key();
  52             $_SESSION['mnet_confirm_delete_key'] = md5(sha1($MNET->keypair['keypair_PEM'])).':'.time();
  53             notice_yesno(get_string("deletekeycheck", "mnet"),
  54                                     "index.php?sesskey=$USER->sesskey&amp;confirm=".md5($MNET->public_key),
  55                                     "index.php",
  56                                      array('sesskey' => $USER->sesskey),
  57                                      NULL,
  58                                     'post',
  59                                     'get');
  60             exit;
  61         } else {
  62             // We're deleting
  63
  64
  65             if (!isset($_SESSION['mnet_confirm_delete_key'])) {
  66                 // fail - you're being attacked?
  67             }
  68
  69             $key = '';
  70             $time = '';
  71             @list($key, $time) = explode(':',$_SESSION['mnet_confirm_delete_key']);
  72             $MNET->get_private_key();
  73
  74             if($time < time() - 60) {
  75                 // fail - you're out of time.
  76                 print_error ('deleteoutoftime', 'mnet', 'index.php');
  77                 exit;
  78             }
  79
  80             if ($key != md5(sha1($MNET->keypair['keypair_PEM']))) {
  81                 // fail - you're being attacked?
  82                 print_error ('deletewrongkeyvalue', 'mnet', 'index.php');
  83                 exit;
  84             }
  85
  86             $MNET->replace_keys();
  87             redirect('index.php', get_string('keydeleted','mnet'));
  88             exit;
  89         }
  90     }
  91     $hosts = get_records_select('mnet_host', " id != '{$CFG->mnet_localhost_id}' AND deleted = '0' ",'wwwroot ASC' );
  92
  93     admin_externalpage_print_header($adminroot);
  94 ?>
  95 <center>
  96 <form method="post" action="index.php">
  97     <table align="center" width="635" class="generalbox" border="0" cellpadding="5" cellspacing="0">
  98         <tr>
  99             <td  class="generalboxcontent">
 100             <table cellpadding="9" cellspacing="0" >
 101                 <tr valign="top">
 102                     <td colspan="2" class="header" cellpadding="0"><?php print_string('aboutyourhost', 'mnet'); ?></td>
 103                 </tr>
 104                 <tr valign="top">
 105                     <td align="right"><?php print_string('publickey', 'mnet'); ?>:</td>
 106                     <td><pre><?php echo $MNET->public_key; ?></pre></td>
 107                 </tr>
 108                 <tr valign="top">
 109                     <td align="right"><?php print_string('expires', 'mnet'); ?>:</td>
 110                     <td><?php echo userdate($MNET->public_key_expires); ?></td>
 111                 </tr>
 112                 <tr valign="top">
 113                     <td align="right"><?php print_string('net', 'mnet'); ?>:</td>
 114                     <td><input type="hidden" name="sesskey" value="<?php echo $USER->sesskey ?>" />
 115                         <input type="radio" name="mode" value="off" <?php echo ("off" == $CFG->mnet_dispatcher_mode)? 'checked="true"' : '' ?> /> <?php print_string('off', 'mnet'); ?> <br />
 116                         <input type="radio" name="mode" value="strict" <?php echo ("strict" == $CFG->mnet_dispatcher_mode)? 'checked="true"' : '' ?> /> <?php print_string('on', 'mnet'); ?><br />
 117                         <input type="submit" name="submit" value="<?php print_string('savechanges'); ?>" />
 118                     </td>
 119                 </tr>
 120             </table>
 121             </td>
 122         </tr>
 123     </table>
 124 </form>
 125 <form method="post" action="index.php">
 126     <table align="center" width="635" class="generalbox" border="0" cellpadding="5" cellspacing="0">
 127         <tr>
 128             <td  class="generalboxcontent">
 129             <table cellpadding="9" cellspacing="0" >
 130                 <tr valign="top">
 131                     <td colspan="2" class="header" cellpadding="0"><?php print_string('expireyourkey', 'mnet'); ?></td>
 132                 </tr>
 133                 <tr valign="top">
 134                     <td colspan="2" cellpadding="0"><?php print_string('expireyourkeyexplain', 'mnet'); ?></td>
 135                 </tr>
 136                 <tr valign="top">
 137                     <td align="left" width="10" nowrap="nowrap"><?php print_string('expireyourkey', 'mnet'); ?></td>
 138                     <td align="left"><input type="hidden" name="sesskey" value="<?php echo $USER->sesskey ?>" />
 139                         <input type="hidden" name="deleteKey" value="" />
 140                         <input type="submit" name="submit" value="<?php print_string('delete'); ?>" />
 141                     </td>
 142                 </tr>
 143             </table>
 144             </td>
 145         </tr>
 146     </table>
 147 </form>
 148 </center>
 149
 150 <?php
 151 admin_externalpage_print_footer($adminroot);
 152 ?>