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- <?php
- /* $Id: http.auth.lib.php,v 2.14.2.1 2006/04/11 16:33:33 cybot_tm Exp $ */
- // vim: expandtab sw=4 ts=4 sts=4:
-
- // +--------------------------------------------------------------------------+
- // | Set of functions used to run http authentication. |
- // | NOTE: Requires PHP loaded as a Apache module. |
- // +--------------------------------------------------------------------------+
-
-
- /**
- * Displays authentication form
- *
- * @global string the font face to use in case of failure
- * @global string the default font size to use in case of failure
- * @global string the big font size to use in case of failure
- *
- * @return boolean always true (no return indeed)
- *
- * @access public
- */
- function PMA_auth() {
-
- header('WWW-Authenticate: Basic realm="phpMyAdmin ' . sprintf($GLOBALS['strRunning'], (empty($GLOBALS['cfg']['Server']['verbose']) ? str_replace('\'', '\\\'', $GLOBALS['cfg']['Server']['host']) : str_replace('\'', '\\\'', $GLOBALS['cfg']['Server']['verbose']))) . '"');
- header('HTTP/1.0 401 Unauthorized');
- header('status: 401 Unauthorized');
-
- // Defines the charset to be used
- header('Content-Type: text/html; charset=' . $GLOBALS['charset']);
- /* HTML header */
- $page_title = $GLOBALS['strAccessDenied'];
- require('./libraries/header_meta_style.inc.php');
- ?>
- </head>
- <body>
- <?php require('./libraries/header_custom.inc.php'); ?>
-
- <br /><br />
- <center>
- <h1><?php echo sprintf($GLOBALS['strWelcome'], ' phpMyAdmin ' . PMA_VERSION); ?></h1>
- </center>
- <br />
- <div class="warning"><?php echo $GLOBALS['strWrongUser']; ?></div>
-
- <?php require('./libraries/footer_custom.inc.php'); ?>
-
- </body>
- </html>
- <?php
- exit();
- } // end of the 'PMA_auth()' function
-
-
- /**
- * Gets advanced authentication settings
- *
- * @global string the username if register_globals is on
- * @global string the password if register_globals is on
- * @global array the array of server variables if register_globals is
- * off
- * @global array the array of environment variables if register_globals
- * is off
- * @global string the username for the ? server
- * @global string the password for the ? server
- * @global string the username for the WebSite Professional server
- * @global string the password for the WebSite Professional server
- * @global string the username of the user who logs out
- *
- * @return boolean whether we get authentication settings or not
- *
- * @access public
- */
- function PMA_auth_check()
- {
- global $PHP_AUTH_USER, $PHP_AUTH_PW;
- global $old_usr;
-
- // Grabs the $PHP_AUTH_USER variable whatever are the values of the
- // 'register_globals' and the 'variables_order' directives
- // loic1 - 2001/25/11: use the new globals arrays defined with php 4.1+
- if (empty($PHP_AUTH_USER)) {
- if (PMA_getenv('PHP_AUTH_USER')) {
- $PHP_AUTH_USER = PMA_getenv('PHP_AUTH_USER');
- } elseif (PMA_getenv('REMOTE_USER')) {
- // CGI, might be encoded, see bellow
- $PHP_AUTH_USER = PMA_getenv('REMOTE_USER');
- } elseif (PMA_getenv('AUTH_USER')) {
- // WebSite Professional
- $PHP_AUTH_USER = PMA_getenv('AUTH_USER');
- } elseif (PMA_getenv('HTTP_AUTHORIZATION')) {
- // IIS, might be encoded, see bellow
- $PHP_AUTH_USER = PMA_getenv('HTTP_AUTHORIZATION');
- } elseif (PMA_getenv('Authorization')) {
- // FastCGI, might be encoded, see bellow
- $PHP_AUTH_USER = PMA_getenv('Authorization');
- }
- }
- // Grabs the $PHP_AUTH_PW variable whatever are the values of the
- // 'register_globals' and the 'variables_order' directives
- // loic1 - 2001/25/11: use the new globals arrays defined with php 4.1+
- if (empty($PHP_AUTH_PW)) {
- if (PMA_getenv('PHP_AUTH_PW')) {
- $PHP_AUTH_PW = PMA_getenv('PHP_AUTH_PW');
- } elseif (PMA_getenv('REMOTE_PASSWORD')) {
- // Apache/CGI
- $PHP_AUTH_PW = PMA_getenv('REMOTE_PASSWORD');
- } elseif (PMA_getenv('AUTH_PASSWORD')) {
- // WebSite Professional
- $PHP_AUTH_PW = PMA_getenv('AUTH_PASSWORD');
- }
- }
-
- // Decode possibly encoded information (used by IIS/CGI/FastCGI)
- if (strcmp(substr($PHP_AUTH_USER, 0, 6), 'Basic ') == 0) {
- $usr_pass = base64_decode(substr($PHP_AUTH_USER, 6));
- if (!empty($usr_pass) && strpos($usr_pass, ':') !== FALSE) {
- list($PHP_AUTH_USER, $PHP_AUTH_PW) = explode(':', $usr_pass);
- }
- unset($usr_pass);
- }
-
- // User logged out -> ensure the new username is not the same
- if (!empty($old_usr)
- && (isset($PHP_AUTH_USER) && $old_usr == $PHP_AUTH_USER)) {
- $PHP_AUTH_USER = '';
- }
-
- // Returns whether we get authentication settings or not
- if (empty($PHP_AUTH_USER)) {
- return FALSE;
- } else {
- return TRUE;
- }
- } // end of the 'PMA_auth_check()' function
-
-
- /**
- * Set the user and password after last checkings if required
- *
- * @global array the valid servers settings
- * @global integer the id of the current server
- * @global array the current server settings
- * @global string the current username
- * @global string the current password
- *
- * @return boolean always true
- *
- * @access public
- */
- function PMA_auth_set_user()
- {
- global $cfg, $server;
- global $PHP_AUTH_USER, $PHP_AUTH_PW;
-
- // Ensures valid authentication mode, 'only_db', bookmark database and
- // table names and relation table name are used
- if ($cfg['Server']['user'] != $PHP_AUTH_USER) {
- $servers_cnt = count($cfg['Servers']);
- for ($i = 1; $i <= $servers_cnt; $i++) {
- if (isset($cfg['Servers'][$i])
- && ($cfg['Servers'][$i]['host'] == $cfg['Server']['host'] && $cfg['Servers'][$i]['user'] == $PHP_AUTH_USER)) {
- $server = $i;
- $cfg['Server'] = $cfg['Servers'][$i];
- break;
- }
- } // end for
- } // end if
-
- $cfg['Server']['user'] = $PHP_AUTH_USER;
- $cfg['Server']['password'] = $PHP_AUTH_PW;
-
- return TRUE;
- } // end of the 'PMA_auth_set_user()' function
-
-
- /**
- * User is not allowed to login to MySQL -> authentication failed
- *
- * @return boolean always true (no return indeed)
- *
- * @access public
- */
- function PMA_auth_fails()
- {
- PMA_auth();
-
- return TRUE;
- } // end of the 'PMA_auth_fails()' function
-
- ?>
-