server_variables.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @package phpMyAdmin
   6  */
   7
   8 /**
   9  * no need for variables importing
  10  * @ignore
  11  */
  12 if (! defined('PMA_NO_VARIABLES_IMPORT')) {
  13     define('PMA_NO_VARIABLES_IMPORT', true);
  14 }
  15 require_once './libraries/common.inc.php';
  16
  17 $GLOBALS['js_include'][] = 'server_variables.js';
  18
  19 /**
  20  * Does the common work
  21  */
  22 require './libraries/server_common.inc.php';
  23
  24 /**
  25  * Required to display documentation links
  26  */
  27 require './libraries/server_variables_doc.php';
  28
  29 /**
  30  * Ajax request
  31  */
  32
  33 if (isset($_REQUEST['ajax_request']) && $_REQUEST['ajax_request'] == true) {
  34     // Send with correct charset
  35     header('Content-Type: text/html; charset=UTF-8');
  36
  37     if (isset($_REQUEST['type'])) {
  38         switch($_REQUEST['type']) {
  39             case 'getval':
  40                 $varValue = PMA_DBI_fetch_single_row('SHOW GLOBAL VARIABLES WHERE Variable_name="'.PMA_sqlAddslashes($_REQUEST['varName']).'";','NUM');
  41                 exit($varValue[1]);
  42                 break;
  43             case 'setval':
  44                 $value = PMA_sqlAddslashes($_REQUEST['varValue']);
  45                 if (!is_numeric($value)) $value="'".$value."'";
  46
  47                 if (! preg_match("/[^a-zA-Z0-9_]+/",$_REQUEST['varName']) && PMA_DBI_query('SET GLOBAL '.$_REQUEST['varName'].' = '.$value))
  48                     // Some values are rounded down etc.
  49                     $varValue = PMA_DBI_fetch_single_row('SHOW GLOBAL VARIABLES WHERE Variable_name="'.PMA_sqlAddslashes($_REQUEST['varName']).'";','NUM');
  50
  51                     exit(json_encode(array(
  52                         'success' => true,
  53                         'variable' => formatVariable($_REQUEST['varName'],$varValue[1])
  54                         ))
  55                     );
  56                 exit(json_encode(array(
  57                     'success' => false,
  58                     'error' => __('Setting variable failed')
  59                     ))
  60                 );
  61                 break;
  62         }
  63     }
  64 }
  65
  66 /**
  67  * Displays the links
  68  */
  69 require './libraries/server_links.inc.php';
  70
  71
  72 /**
  73  * Displays the sub-page heading
  74  */
  75 echo '<h2>' . "\n"
  76    . ($cfg['MainPageIconic'] ? '<img class="icon ic_s_vars" src="themes/dot.gif" alt="" />' : '')
  77    . '' . __('Server variables and settings') . "\n"
  78    . PMA_showMySQLDocu('server_system_variables','server_system_variables')
  79    . '</h2>' . "\n";
  80
  81 /**
  82  * Sends the queries and buffers the results
  83  */
  84 $serverVarsSession = PMA_DBI_fetch_result('SHOW SESSION VARIABLES;', 0, 1);
  85 $serverVars = PMA_DBI_fetch_result('SHOW GLOBAL VARIABLES;', 0, 1);
  86
  87
  88 /**
  89  * Displays the page
  90  */
  91 ?>
  92 <script type="text/javascript">
  93 pma_token = '<?php echo $_SESSION[' PMA_token ']; ?>';
  94 url_query = '<?php echo str_replace('&amp;','&',$url_query);?>';
  95 isSuperuser = <?php echo PMA_isSuperuser()?'true':'false'; ?>;
  96 </script>
  97
  98 <fieldset id="tableFilter" style="display:none;">
  99 <legend>Filters</legend>
 100 <div class="formelement">
 101     <label for="filterText">Containing the word:</label>
 102     <input name="filterText" type="text" id="filterText" style="vertical-align: baseline;" />
 103 </div>
 104 </fieldset>
 105 <table id="serverVariables" class="data filteredData">
 106 <thead>
 107 <tr><th><?php echo __('Variable'); ?></th>
 108     <th class="valueHeader">
 109 <?php
 110 echo __('Session value') . ' / ' . __('Global value');
 111 ?>
 112     </th>
 113     <th><?php echo __('Documentation'); ?></th>
 114 </tr>
 115 </thead>
 116 <tbody>
 117 <?php
 118 $odd_row = true;
 119 foreach ($serverVars as $name => $value) {
 120     ?>
 121 <tr class="noclick <?php echo $odd_row ? 'odd' : 'even'; ?>">
 122     <th nowrap="nowrap"><?php echo htmlspecialchars(str_replace('_', ' ', $name)); ?></th>
 123     <td class="value"><?php echo formatVariable($name,$value); ?></td>
 124     <td class="value"><?php
 125     if (isset($VARIABLE_DOC_LINKS[$name]))    // To display variable documentation link
 126         echo PMA_showMySQLDocu($VARIABLE_DOC_LINKS[$name][1], $VARIABLE_DOC_LINKS[$name][1], false, $VARIABLE_DOC_LINKS[$name][2] . '_' . $VARIABLE_DOC_LINKS[$name][0]);
 127     ?></td>
 128     <?php
 129     if (isset($serverVarsSession[$name]) && $serverVarsSession[$name] != $value) {
 130         ?>
 131 </tr>
 132 <tr class="noclick <?php echo $odd_row ? 'odd' : 'even'; ?> ">
 133     <td>(<?php echo __('Session value'); ?>)</td>
 134     <td class="value"><?php echo formatVariable($name,$serverVarsSession[$name]); ?></td>
 135     <td class="value"></td>
 136     <?php } ?>
 137 </tr>
 138     <?php
 139     $odd_row = !$odd_row;
 140 }
 141 ?>
 142 </tbody>
 143 </table>
 144 <?php
 145
 146
 147 /**
 148  * Sends the footer
 149  */
 150 require './libraries/footer.inc.php';
 151
 152 function formatVariable($name,$value) {
 153     global $VARIABLE_DOC_LINKS;
 154
 155     if (is_numeric($value)) {
 156         if (isset($VARIABLE_DOC_LINKS[$name][3]) && $VARIABLE_DOC_LINKS[$name][3]=='byte')
 157             return '<abbr title="'.PMA_formatNumber($value, 0).'">'.implode(' ',PMA_formatByteDown($value,3,3)).'</abbr>';
 158         else return PMA_formatNumber($value, 0);
 159     }
 160     return htmlspecialchars($value);
 161 }
 162
 163 ?>