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phpmyadmin_ynh/sources/libraries/common.inc.php
Julien Malik 68f7b78dc1 add phpmyadmin sources 4.1.4
2014-01-14 12:28:06 +01:00

1153 lines
34 KiB
PHP
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Misc stuff and REQUIRED by ALL the scripts.
* MUST be included by every script
*
* Among other things, it contains the advanced authentication work.
*
* Order of sections for common.inc.php:
*
* the authentication libraries must be before the connection to db
*
* ... so the required order is:
*
* LABEL_variables_init
* - initialize some variables always needed
* LABEL_parsing_config_file
* - parsing of the configuration file
* LABEL_loading_language_file
* - loading language file
* LABEL_setup_servers
* - check and setup configured servers
* LABEL_theme_setup
* - setting up themes
*
* - load of MySQL extension (if necessary)
* - loading of an authentication library
* - db connection
* - authentication work
*
* @package PhpMyAdmin
*/
/**
* block attempts to directly run this script
*/
if (getcwd() == dirname(__FILE__)) {
die('Attack stopped');
}
/**
* Minimum PHP version; can't call PMA_fatalError() which uses a
* PHP 5 function, so cannot easily localize this message.
*/
if (version_compare(PHP_VERSION, '5.3.0', 'lt')) {
die('PHP 5.3+ is required');
}
/**
* for verification in all procedural scripts under libraries
*/
define('PHPMYADMIN', true);
/**
* the error handler
*/
require './libraries/Error_Handler.class.php';
/**
* initialize the error handler
*/
$GLOBALS['error_handler'] = new PMA_Error_Handler();
$cfg['Error_Handler']['display'] = true;
/**
* This setting was removed in PHP 5.4. But at this point PMA_PHP_INT_VERSION
* is not yet defined so we use another way to find out the PHP version.
*/
if (version_compare(phpversion(), '5.4', 'lt')) {
/**
* Avoid problems with magic_quotes_runtime
*/
@ini_set('magic_quotes_runtime', false);
}
/**
* core functions
*/
require './libraries/core.lib.php';
/**
* Input sanitizing
*/
require './libraries/sanitizing.lib.php';
/**
* Warning about mbstring.
*/
if (! function_exists('mb_detect_encoding')) {
PMA_warnMissingExtension('mbstring', $fatal = true);
}
/**
* the PMA_Theme class
*/
require './libraries/Theme.class.php';
/**
* the PMA_Theme_Manager class
*/
require './libraries/Theme_Manager.class.php';
/**
* the PMA_Config class
*/
require './libraries/Config.class.php';
/**
* the relation lib, tracker needs it
*/
require './libraries/relation.lib.php';
/**
* the PMA_Tracker class
*/
require './libraries/Tracker.class.php';
/**
* the PMA_Table class
*/
require './libraries/Table.class.php';
/**
* the PMA_Types class
*/
require './libraries/Types.class.php';
if (! defined('PMA_MINIMUM_COMMON')) {
/**
* common functions
*/
include_once './libraries/Util.class.php';
/**
* JavaScript escaping.
*/
include_once './libraries/js_escape.lib.php';
/**
* Include URL/hidden inputs generating.
*/
include_once './libraries/url_generating.lib.php';
/**
* Used to generate the page
*/
include_once 'libraries/Response.class.php';
}
/******************************************************************************/
/* start procedural code label_start_procedural */
/**
* PATH_INFO could be compromised if set, so remove it from PHP_SELF
* and provide a clean PHP_SELF here
*/
$PMA_PHP_SELF = PMA_getenv('PHP_SELF');
$_PATH_INFO = PMA_getenv('PATH_INFO');
if (! empty($_PATH_INFO) && ! empty($PMA_PHP_SELF)) {
$path_info_pos = strrpos($PMA_PHP_SELF, $_PATH_INFO);
if ($path_info_pos + strlen($_PATH_INFO) === strlen($PMA_PHP_SELF)) {
$PMA_PHP_SELF = substr($PMA_PHP_SELF, 0, $path_info_pos);
}
}
$PMA_PHP_SELF = htmlspecialchars($PMA_PHP_SELF);
/**
* just to be sure there was no import (registering) before here
* we empty the global space (but avoid unsetting $variables_list
* and $key in the foreach (), we still need them!)
*/
$variables_whitelist = array (
'GLOBALS',
'_SERVER',
'_GET',
'_POST',
'_REQUEST',
'_FILES',
'_ENV',
'_COOKIE',
'_SESSION',
'error_handler',
'PMA_PHP_SELF',
'variables_whitelist',
'key'
);
foreach (get_defined_vars() as $key => $value) {
if (! in_array($key, $variables_whitelist)) {
unset($$key);
}
}
unset($key, $value, $variables_whitelist);
/**
* Subforms - some functions need to be called by form, cause of the limited URL
* length, but if this functions inside another form you cannot just open a new
* form - so phpMyAdmin uses 'arrays' inside this form
*
* <code>
* <form ...>
* ... main form elments ...
* <input type="hidden" name="subform[action1][id]" value="1" />
* ... other subform data ...
* <input type="submit" name="usesubform[action1]" value="do action1" />
* ... other subforms ...
* <input type="hidden" name="subform[actionX][id]" value="X" />
* ... other subform data ...
* <input type="submit" name="usesubform[actionX]" value="do actionX" />
* ... main form elments ...
* <input type="submit" name="main_action" value="submit form" />
* </form>
* </code>
*
* so we now check if a subform is submitted
*/
$__redirect = null;
if (isset($_POST['usesubform'])) {
// if a subform is present and should be used
// the rest of the form is deprecated
$subform_id = key($_POST['usesubform']);
$subform = $_POST['subform'][$subform_id];
$_POST = $subform;
$_REQUEST = $subform;
/**
* some subforms need another page than the main form, so we will just
* include this page at the end of this script - we use $__redirect to
* track this
*/
if (isset($_POST['redirect'])
&& $_POST['redirect'] != basename($PMA_PHP_SELF)
) {
$__redirect = $_POST['redirect'];
unset($_POST['redirect']);
}
unset($subform_id, $subform);
} else {
// Note: here we overwrite $_REQUEST so that it does not contain cookies,
// because another application for the same domain could have set
// a cookie (with a compatible path) that overrides a variable
// we expect from GET or POST.
// We'll refer to cookies explicitly with the $_COOKIE syntax.
$_REQUEST = array_merge($_GET, $_POST);
}
// end check if a subform is submitted
/**
* This setting was removed in PHP 5.4. But at this point PMA_PHP_INT_VERSION
* is not yet defined so we use another way to find out the PHP version.
*/
if (version_compare(phpversion(), '5.4', 'lt')) {
// remove quotes added by PHP
if (function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc()) {
PMA_arrayWalkRecursive($_GET, 'stripslashes', true);
PMA_arrayWalkRecursive($_POST, 'stripslashes', true);
PMA_arrayWalkRecursive($_COOKIE, 'stripslashes', true);
PMA_arrayWalkRecursive($_REQUEST, 'stripslashes', true);
}
}
/**
* check timezone setting
* this could produce an E_STRICT - but only once,
* if not done here it will produce E_STRICT on every date/time function
* (starting with PHP 5.3, this code can produce E_WARNING rather than
* E_STRICT)
*
*/
date_default_timezone_set(@date_default_timezone_get());
/******************************************************************************/
/* parsing configuration file LABEL_parsing_config_file */
/**
* We really need this one!
*/
if (! function_exists('preg_replace')) {
PMA_warnMissingExtension('pcre', true);
}
/**
* JSON is required in several places.
*/
if (! function_exists('json_encode')) {
PMA_warnMissingExtension('json', true);
}
/**
* @global PMA_Config $GLOBALS['PMA_Config']
* force reading of config file, because we removed sensitive values
* in the previous iteration
*/
$GLOBALS['PMA_Config'] = new PMA_Config(CONFIG_FILE);
if (!defined('PMA_MINIMUM_COMMON')) {
$GLOBALS['PMA_Config']->checkPmaAbsoluteUri();
}
/**
* BC - enable backward compatibility
* exports all configuration settings into $GLOBALS ($GLOBALS['cfg'])
*/
$GLOBALS['PMA_Config']->enableBc();
/**
* clean cookies on upgrade
* when changing something related to PMA cookies, increment the cookie version
*/
$pma_cookie_version = 4;
if (isset($_COOKIE)
&& (isset($_COOKIE['pmaCookieVer'])
&& $_COOKIE['pmaCookieVer'] < $pma_cookie_version)
) {
// delete all cookies
foreach ($_COOKIE as $cookie_name => $tmp) {
$GLOBALS['PMA_Config']->removeCookie($cookie_name);
}
$_COOKIE = array();
$GLOBALS['PMA_Config']->setCookie('pmaCookieVer', $pma_cookie_version);
}
/**
* check HTTPS connection
*/
if ($GLOBALS['PMA_Config']->get('ForceSSL')
&& ! $GLOBALS['PMA_Config']->get('is_https')
) {
// grab SSL URL
$url = $GLOBALS['PMA_Config']->getSSLUri();
// Actually redirect
PMA_sendHeaderLocation($url . PMA_URL_getCommon($_GET, 'text'));
// delete the current session, otherwise we get problems (see bug #2397877)
$GLOBALS['PMA_Config']->removeCookie($GLOBALS['session_name']);
exit;
}
/**
* include session handling after the globals, to prevent overwriting
*/
require './libraries/session.inc.php';
/**
* init some variables LABEL_variables_init
*/
/**
* holds parameters to be passed to next page
* @global array $GLOBALS['url_params']
*/
$GLOBALS['url_params'] = array();
/**
* the whitelist for $GLOBALS['goto']
* @global array $goto_whitelist
*/
$goto_whitelist = array(
//'browse_foreigners.php',
//'changelog.php',
//'chk_rel.php',
'db_create.php',
'db_datadict.php',
'db_sql.php',
'db_events.php',
'db_export.php',
'db_importdocsql.php',
'db_qbe.php',
'db_structure.php',
'db_import.php',
'db_operations.php',
'db_printview.php',
'db_search.php',
'db_routines.php',
'export.php',
'import.php',
//'index.php',
//'navigation.php',
//'license.php',
'index.php',
'pdf_pages.php',
'pdf_schema.php',
//'phpinfo.php',
'querywindow.php',
'server_binlog.php',
'server_collations.php',
'server_databases.php',
'server_engines.php',
'server_export.php',
'server_import.php',
'server_privileges.php',
'server_sql.php',
'server_status.php',
'server_status_advisor.php',
'server_status_monitor.php',
'server_status_queries.php',
'server_status_variables.php',
'server_variables.php',
'sql.php',
'tbl_addfield.php',
'tbl_change.php',
'tbl_create.php',
'tbl_import.php',
'tbl_indexes.php',
'tbl_move_copy.php',
'tbl_printview.php',
'tbl_sql.php',
'tbl_export.php',
'tbl_operations.php',
'tbl_structure.php',
'tbl_relation.php',
'tbl_replace.php',
'tbl_row_action.php',
'tbl_select.php',
'tbl_zoom_select.php',
//'themes.php',
'transformation_overview.php',
'transformation_wrapper.php',
'user_password.php',
);
/**
* check $__redirect against whitelist
*/
if (! PMA_checkPageValidity($__redirect, $goto_whitelist)) {
$__redirect = null;
}
/**
* holds page that should be displayed
* @global string $GLOBALS['goto']
*/
$GLOBALS['goto'] = '';
// Security fix: disallow accessing serious server files via "?goto="
if (PMA_checkPageValidity($_REQUEST['goto'], $goto_whitelist)) {
$GLOBALS['goto'] = $_REQUEST['goto'];
$GLOBALS['url_params']['goto'] = $_REQUEST['goto'];
} else {
unset($_REQUEST['goto'], $_GET['goto'], $_POST['goto'], $_COOKIE['goto']);
}
/**
* returning page
* @global string $GLOBALS['back']
*/
if (PMA_checkPageValidity($_REQUEST['back'], $goto_whitelist)) {
$GLOBALS['back'] = $_REQUEST['back'];
} else {
unset($_REQUEST['back'], $_GET['back'], $_POST['back'], $_COOKIE['back']);
}
/**
* Check whether user supplied token is valid, if not remove any possibly
* dangerous stuff from request.
*
* remember that some objects in the session with session_start and __wakeup()
* could access this variables before we reach this point
* f.e. PMA_Config: fontsize
*
* @todo variables should be handled by their respective owners (objects)
* f.e. lang, server, collation_connection in PMA_Config
*/
$token_mismatch = true;
if (PMA_isValid($_REQUEST['token'])) {
$token_mismatch = ($_SESSION[' PMA_token '] != $_REQUEST['token']);
}
if ($token_mismatch) {
/**
* List of parameters which are allowed from unsafe source
*/
$allow_list = array(
/* needed for direct access, see FAQ 1.34
* also, server needed for cookie login screen (multi-server)
*/
'server', 'db', 'table', 'target', 'lang',
/* Session ID */
'phpMyAdmin',
/* Cookie preferences */
'pma_lang', 'pma_collation_connection',
/* Possible login form */
'pma_servername', 'pma_username', 'pma_password',
/* Needed to send the correct reply */
'ajax_request',
/* Permit to log out even if there is a token mismatch */
'old_usr'
);
/**
* Allow changing themes in test/theme.php
*/
if (defined('PMA_TEST_THEME')) {
$allow_list[] = 'set_theme';
}
/**
* Require cleanup functions
*/
include './libraries/cleanup.lib.php';
/**
* Do actual cleanup
*/
PMA_removeRequestVars($allow_list);
}
/**
* current selected database
* @global string $GLOBALS['db']
*/
$GLOBALS['db'] = '';
if (PMA_isValid($_REQUEST['db'])) {
// can we strip tags from this?
// only \ and / is not allowed in db names for MySQL
$GLOBALS['db'] = $_REQUEST['db'];
$GLOBALS['url_params']['db'] = $GLOBALS['db'];
}
/**
* current selected table
* @global string $GLOBALS['table']
*/
$GLOBALS['table'] = '';
if (PMA_isValid($_REQUEST['table'])) {
// can we strip tags from this?
// only \ and / is not allowed in table names for MySQL
$GLOBALS['table'] = $_REQUEST['table'];
$GLOBALS['url_params']['table'] = $GLOBALS['table'];
}
/**
* Store currently selected recent table.
* Affect $GLOBALS['db'] and $GLOBALS['table']
*/
if (PMA_isValid($_REQUEST['selected_recent_table'])) {
$recent_table = json_decode($_REQUEST['selected_recent_table'], true);
$GLOBALS['db'] = $recent_table['db'];
$GLOBALS['url_params']['db'] = $GLOBALS['db'];
$GLOBALS['table'] = $recent_table['table'];
$GLOBALS['url_params']['table'] = $GLOBALS['table'];
}
/**
* SQL query to be executed
* @global string $GLOBALS['sql_query']
*/
$GLOBALS['sql_query'] = '';
if (PMA_isValid($_REQUEST['sql_query'])) {
$GLOBALS['sql_query'] = $_REQUEST['sql_query'];
}
//$_REQUEST['set_theme'] // checked later in this file LABEL_theme_setup
//$_REQUEST['server']; // checked later in this file
//$_REQUEST['lang']; // checked by LABEL_loading_language_file
/******************************************************************************/
/* loading language file LABEL_loading_language_file */
/**
* lang detection is done here
*/
require './libraries/select_lang.lib.php';
// Defines the cell alignment values depending on text direction
if ($GLOBALS['text_dir'] == 'ltr') {
$GLOBALS['cell_align_left'] = 'left';
$GLOBALS['cell_align_right'] = 'right';
} else {
$GLOBALS['cell_align_left'] = 'right';
$GLOBALS['cell_align_right'] = 'left';
}
/**
* check for errors occurred while loading configuration
* this check is done here after loading language files to present errors in locale
*/
$GLOBALS['PMA_Config']->checkPermissions();
if ($GLOBALS['PMA_Config']->error_config_file) {
$error = '[strong]' . __('Failed to read configuration file') . '[/strong]'
. '[br][br]'
. __('This usually means there is a syntax error in it, please check any errors shown below.')
. '[br][br]'
. '[conferr]';
trigger_error($error, E_USER_ERROR);
}
if ($GLOBALS['PMA_Config']->error_config_default_file) {
$error = sprintf(
__('Could not load default configuration from: %1$s'),
$GLOBALS['PMA_Config']->default_source
);
trigger_error($error, E_USER_ERROR);
}
if ($GLOBALS['PMA_Config']->error_pma_uri) {
trigger_error(
__('The [code]$cfg[\'PmaAbsoluteUri\'][/code] directive MUST be set in your configuration file!'),
E_USER_ERROR
);
}
/******************************************************************************/
/* setup servers LABEL_setup_servers */
/**
* current server
* @global integer $GLOBALS['server']
*/
$GLOBALS['server'] = 0;
/**
* Servers array fixups.
* $default_server comes from PMA_Config::enableBc()
* @todo merge into PMA_Config
*/
// Do we have some server?
if (! isset($cfg['Servers']) || count($cfg['Servers']) == 0) {
// No server => create one with defaults
$cfg['Servers'] = array(1 => $default_server);
} else {
// We have server(s) => apply default configuration
$new_servers = array();
foreach ($cfg['Servers'] as $server_index => $each_server) {
// Detect wrong configuration
if (!is_int($server_index) || $server_index < 1) {
trigger_error(
sprintf(__('Invalid server index: %s'), $server_index),
E_USER_ERROR
);
}
$each_server = array_merge($default_server, $each_server);
// Don't use servers with no hostname
if ($each_server['connect_type'] == 'tcp' && empty($each_server['host'])) {
trigger_error(
sprintf(
__('Invalid hostname for server %1$s. Please review your configuration.'),
$server_index
),
E_USER_ERROR
);
}
// Final solution to bug #582890
// If we are using a socket connection
// and there is nothing in the verbose server name
// or the host field, then generate a name for the server
// in the form of "Server 2", localized of course!
if ($each_server['connect_type'] == 'socket'
&& empty($each_server['host'])
&& empty($each_server['verbose'])
) {
$each_server['verbose'] = sprintf(__('Server %d'), $server_index);
}
$new_servers[$server_index] = $each_server;
}
$cfg['Servers'] = $new_servers;
unset($new_servers, $server_index, $each_server);
}
// Cleanup
unset($default_server);
/******************************************************************************/
/* setup themes LABEL_theme_setup */
/**
* @global PMA_Theme_Manager $_SESSION['PMA_Theme_Manager']
*/
if (! isset($_SESSION['PMA_Theme_Manager'])) {
$_SESSION['PMA_Theme_Manager'] = new PMA_Theme_Manager;
} else {
/**
* @todo move all __wakeup() functionality into session.inc.php
*/
$_SESSION['PMA_Theme_Manager']->checkConfig();
}
// for the theme per server feature
if (isset($_REQUEST['server']) && ! isset($_REQUEST['set_theme'])) {
$GLOBALS['server'] = $_REQUEST['server'];
$tmp = $_SESSION['PMA_Theme_Manager']->getThemeCookie();
if (empty($tmp)) {
$tmp = $_SESSION['PMA_Theme_Manager']->theme_default;
}
$_SESSION['PMA_Theme_Manager']->setActiveTheme($tmp);
unset($tmp);
}
/**
* @todo move into PMA_Theme_Manager::__wakeup()
*/
if (isset($_REQUEST['set_theme'])) {
// if user selected a theme
$_SESSION['PMA_Theme_Manager']->setActiveTheme($_REQUEST['set_theme']);
}
/**
* the theme object
* @global PMA_Theme $_SESSION['PMA_Theme']
*/
$_SESSION['PMA_Theme'] = $_SESSION['PMA_Theme_Manager']->theme;
// BC
/**
* the active theme
* @global string $GLOBALS['theme']
*/
$GLOBALS['theme'] = $_SESSION['PMA_Theme']->getName();
/**
* the theme path
* @global string $GLOBALS['pmaThemePath']
*/
$GLOBALS['pmaThemePath'] = $_SESSION['PMA_Theme']->getPath();
/**
* the theme image path
* @global string $GLOBALS['pmaThemeImage']
*/
$GLOBALS['pmaThemeImage'] = $_SESSION['PMA_Theme']->getImgPath();
/**
* load layout file if exists
*/
if (@file_exists($_SESSION['PMA_Theme']->getLayoutFile())) {
include $_SESSION['PMA_Theme']->getLayoutFile();
}
if (! defined('PMA_MINIMUM_COMMON')) {
/**
* Character set conversion.
*/
include_once './libraries/charset_conversion.lib.php';
/**
* String handling
*/
include_once './libraries/string.inc.php';
/**
* Lookup server by name
* (see FAQ 4.8)
*/
if (! empty($_REQUEST['server'])
&& is_string($_REQUEST['server'])
&& ! is_numeric($_REQUEST['server'])
) {
foreach ($cfg['Servers'] as $i => $server) {
if ($server['host'] == $_REQUEST['server']
|| $server['verbose'] == $_REQUEST['server']
|| $PMA_String->strtolower($server['verbose']) == $PMA_String->strtolower($_REQUEST['server'])
|| md5($PMA_String->strtolower($server['verbose'])) == $PMA_String->strtolower($_REQUEST['server'])
) {
$_REQUEST['server'] = $i;
break;
}
}
if (is_string($_REQUEST['server'])) {
unset($_REQUEST['server']);
}
unset($i);
}
/**
* If no server is selected, make sure that $cfg['Server'] is empty (so
* that nothing will work), and skip server authentication.
* We do NOT exit here, but continue on without logging into any server.
* This way, the welcome page will still come up (with no server info) and
* present a choice of servers in the case that there are multiple servers
* and '$cfg['ServerDefault'] = 0' is set.
*/
if (isset($_REQUEST['server'])
&& (is_string($_REQUEST['server']) || is_numeric($_REQUEST['server']))
&& ! empty($_REQUEST['server'])
&& ! empty($cfg['Servers'][$_REQUEST['server']])
) {
$GLOBALS['server'] = $_REQUEST['server'];
$cfg['Server'] = $cfg['Servers'][$GLOBALS['server']];
} else {
if (!empty($cfg['Servers'][$cfg['ServerDefault']])) {
$GLOBALS['server'] = $cfg['ServerDefault'];
$cfg['Server'] = $cfg['Servers'][$GLOBALS['server']];
} else {
$GLOBALS['server'] = 0;
$cfg['Server'] = array();
}
}
$GLOBALS['url_params']['server'] = $GLOBALS['server'];
/**
* Kanji encoding convert feature appended by Y.Kawada (2002/2/20)
*/
if (function_exists('mb_convert_encoding')
&& $lang == 'ja'
) {
include_once './libraries/kanji-encoding.lib.php';
} // end if
/**
* save some settings in cookies
* @todo should be done in PMA_Config
*/
$GLOBALS['PMA_Config']->setCookie('pma_lang', $GLOBALS['lang']);
if (isset($GLOBALS['collation_connection'])) {
$GLOBALS['PMA_Config']->setCookie(
'pma_collation_connection',
$GLOBALS['collation_connection']
);
}
$_SESSION['PMA_Theme_Manager']->setThemeCookie();
if (! empty($cfg['Server'])) {
/**
* Loads the proper database interface for this server
*/
include_once './libraries/database_interface.inc.php';
include_once './libraries/logging.lib.php';
// get LoginCookieValidity from preferences cache
// no generic solution for loading preferences from cache as some settings
// need to be kept for processing in PMA_Config::loadUserPreferences()
$cache_key = 'server_' . $GLOBALS['server'];
if (isset($_SESSION['cache'][$cache_key]['userprefs']['LoginCookieValidity'])) {
$value = $_SESSION['cache'][$cache_key]['userprefs']['LoginCookieValidity'];
$GLOBALS['PMA_Config']->set('LoginCookieValidity', $value);
$GLOBALS['cfg']['LoginCookieValidity'] = $value;
unset($value);
}
unset($cache_key);
// Gets the authentication library that fits the $cfg['Server'] settings
// and run authentication
// to allow HTTP or http
$cfg['Server']['auth_type'] = strtolower($cfg['Server']['auth_type']);
/**
* the required auth type plugin
*/
$auth_class = "Authentication" . ucfirst($cfg['Server']['auth_type']);
if (! file_exists(
'./libraries/plugins/auth/'
. $auth_class . '.class.php'
)) {
PMA_fatalError(
__('Invalid authentication method set in configuration:')
. ' ' . $cfg['Server']['auth_type']
);
}
include_once './libraries/plugins/auth/' . $auth_class . '.class.php';
// todo: add plugin manager
$plugin_manager = null;
$auth_plugin = new $auth_class($plugin_manager);
if (! $auth_plugin->authCheck()) {
/* Force generating of new session on login */
PMA_secureSession();
$auth_plugin->auth();
} else {
$auth_plugin->authSetUser();
}
// Check IP-based Allow/Deny rules as soon as possible to reject the
// user
// Based on mod_access in Apache:
// http://cvs.apache.org/viewcvs.cgi/httpd-2.0/modules/aaa/mod_access.c?rev=1.37&content-type=text/vnd.viewcvs-markup
// Look at: "static int check_dir_access(request_rec *r)"
if (isset($cfg['Server']['AllowDeny'])
&& isset($cfg['Server']['AllowDeny']['order'])
) {
/**
* ip based access library
*/
include_once './libraries/ip_allow_deny.lib.php';
$allowDeny_forbidden = false; // default
if ($cfg['Server']['AllowDeny']['order'] == 'allow,deny') {
$allowDeny_forbidden = true;
if (PMA_allowDeny('allow')) {
$allowDeny_forbidden = false;
}
if (PMA_allowDeny('deny')) {
$allowDeny_forbidden = true;
}
} elseif ($cfg['Server']['AllowDeny']['order'] == 'deny,allow') {
if (PMA_allowDeny('deny')) {
$allowDeny_forbidden = true;
}
if (PMA_allowDeny('allow')) {
$allowDeny_forbidden = false;
}
} elseif ($cfg['Server']['AllowDeny']['order'] == 'explicit') {
if (PMA_allowDeny('allow') && ! PMA_allowDeny('deny')) {
$allowDeny_forbidden = false;
} else {
$allowDeny_forbidden = true;
}
} // end if ... elseif ... elseif
// Ejects the user if banished
if ($allowDeny_forbidden) {
PMA_logUser($cfg['Server']['user'], 'allow-denied');
$auth_plugin->authFails();
}
} // end if
// is root allowed?
if (! $cfg['Server']['AllowRoot'] && $cfg['Server']['user'] == 'root') {
$allowDeny_forbidden = true;
PMA_logUser($cfg['Server']['user'], 'root-denied');
$auth_plugin->authFails();
}
// is a login without password allowed?
if (! $cfg['Server']['AllowNoPassword']
&& $cfg['Server']['password'] == ''
) {
$login_without_password_is_forbidden = true;
PMA_logUser($cfg['Server']['user'], 'empty-denied');
$auth_plugin->authFails();
}
// if using TCP socket is not needed
if (strtolower($cfg['Server']['connect_type']) == 'tcp') {
$cfg['Server']['socket'] = '';
}
// Try to connect MySQL with the control user profile (will be used to
// get the privileges list for the current user but the true user link
// must be open after this one so it would be default one for all the
// scripts)
$controllink = false;
if ($cfg['Server']['controluser'] != '') {
if (! empty($cfg['Server']['controlhost'])
|| ! empty($cfg['Server']['controlport'])
) {
$server_details = array();
if (! empty($cfg['Server']['controlhost'])) {
$server_details['host'] = $cfg['Server']['controlhost'];
} else {
$server_details['host'] = $cfg['Server']['host'];
}
if (! empty($cfg['Server']['controlport'])) {
$server_details['port'] = $cfg['Server']['controlport'];
} elseif ($server_details['host'] == $cfg['Server']['host']) {
// Evaluates to true when controlhost == host
// or controlhost is not defined (hence it defaults to host)
// In such case we can use the value of port.
$server_details['port'] = $cfg['Server']['port'];
}
// otherwise we leave the $server_details['port'] unset,
// allowing it to take default mysql port
$controllink = $GLOBALS['dbi']->connect(
$cfg['Server']['controluser'],
$cfg['Server']['controlpass'],
true,
$server_details
);
} else {
$controllink = $GLOBALS['dbi']->connect(
$cfg['Server']['controluser'],
$cfg['Server']['controlpass'],
true
);
}
}
// Connects to the server (validates user's login)
$userlink = $GLOBALS['dbi']->connect(
$cfg['Server']['user'], $cfg['Server']['password'], false
);
if (! $controllink) {
$controllink = $userlink;
}
/* Log success */
PMA_logUser($cfg['Server']['user']);
/**
* with phpMyAdmin 3 we support MySQL >=5
* but only production releases:
* - > 5.0.15
*/
if (PMA_MYSQL_INT_VERSION < 50015) {
PMA_fatalError(
__('You should upgrade to %s %s or later.'),
array('MySQL', '5.0.15')
);
}
/**
* Type handling object.
*/
if (PMA_DRIZZLE) {
$GLOBALS['PMA_Types'] = new PMA_Types_Drizzle();
} else {
$GLOBALS['PMA_Types'] = new PMA_Types_MySQL();
}
if (PMA_DRIZZLE) {
// SHOW OPEN TABLES is not supported by Drizzle
$cfg['SkipLockedTables'] = false;
}
/**
* SQL Parser code
*/
include_once './libraries/sqlparser.lib.php';
/**
* SQL Validator interface code
*/
include_once './libraries/sqlvalidator.lib.php';
/**
* the PMA_List_Database class
*/
include_once './libraries/PMA.php';
$pma = new PMA;
$pma->userlink = $userlink;
$pma->controllink = $controllink;
/**
* some resetting has to be done when switching servers
*/
if (isset($_SESSION['tmpval']['previous_server'])
&& $_SESSION['tmpval']['previous_server'] != $GLOBALS['server']
) {
unset($_SESSION['tmpval']['navi_limit_offset']);
}
$_SESSION['tmpval']['previous_server'] = $GLOBALS['server'];
} // end server connecting
/**
* check if profiling was requested and remember it
* (note: when $cfg['ServerDefault'] = 0, constant is not defined)
*/
if (isset($_REQUEST['profiling'])
&& PMA_Util::profilingSupported()
) {
$_SESSION['profiling'] = true;
} elseif (isset($_REQUEST['profiling_form'])) {
// the checkbox was unchecked
unset($_SESSION['profiling']);
}
/**
* Inclusion of profiling scripts is needed on various
* pages like sql, tbl_sql, db_sql, tbl_select
*/
if (! defined('PMA_BYPASS_GET_INSTANCE')) {
$response = PMA_Response::getInstance();
}
if (isset($_SESSION['profiling'])) {
$header = $response->getHeader();
$scripts = $header->getScripts();
/* < IE 9 doesn't support canvas natively */
if (PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER < 9) {
$scripts->addFile('canvg/flashcanvas.js');
}
$scripts->addFile('jqplot/jquery.jqplot.js');
$scripts->addFile('jqplot/plugins/jqplot.pieRenderer.js');
$scripts->addFile('jqplot/plugins/jqplot.highlighter.js');
$scripts->addFile('canvg/canvg.js');
$scripts->addFile('jquery/jquery.tablesorter.js');
}
/*
* There is no point in even attempting to process
* an ajax request if there is a token mismatch
*/
if (isset($response) && $response->isAjax() && $token_mismatch) {
$response->isSuccess(false);
$response->addJSON(
'message',
PMA_Message::error(__('Error: Token mismatch'))
);
exit;
}
} // end if !defined('PMA_MINIMUM_COMMON')
// load user preferences
$GLOBALS['PMA_Config']->loadUserPreferences();
// remove sensitive values from session
$GLOBALS['PMA_Config']->set('blowfish_secret', '');
$GLOBALS['PMA_Config']->set('Servers', '');
$GLOBALS['PMA_Config']->set('default_server', '');
/* Tell tracker that it can actually work */
PMA_Tracker::enable();
/**
* @global boolean $GLOBALS['is_ajax_request']
* @todo should this be moved to the variables init section above?
*
* Check if the current request is an AJAX request, and set is_ajax_request
* accordingly. Suppress headers, footers and unnecessary output if set to
* true
*/
if (isset($_REQUEST['ajax_request']) && $_REQUEST['ajax_request'] == true) {
$GLOBALS['is_ajax_request'] = true;
} else {
$GLOBALS['is_ajax_request'] = false;
}
if (isset($_REQUEST['GLOBALS']) || isset($_FILES['GLOBALS'])) {
PMA_fatalError(__("GLOBALS overwrite attempt"));
}
/**
* protect against possible exploits - there is no need to have so much variables
*/
if (count($_REQUEST) > 1000) {
PMA_fatalError(__('possible exploit'));
}
/**
* Check for numeric keys
* (if register_globals is on, numeric key can be found in $GLOBALS)
*/
foreach ($GLOBALS as $key => $dummy) {
if (is_numeric($key)) {
PMA_fatalError(__('numeric key detected'));
}
}
unset($dummy);
// here, the function does not exist with this configuration:
// $cfg['ServerDefault'] = 0;
$GLOBALS['is_superuser']
= isset($GLOBALS['dbi']) && $GLOBALS['dbi']->isSuperuser();
if (!empty($__redirect) && in_array($__redirect, $goto_whitelist)) {
/**
* include subform target page
*/
include $__redirect;
exit();
}
?>
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