inc/mysql-connect.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 11/16/2003 *
   4  * ===============                              Last change: 12/13/2004 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : mysql-connect.php                                *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Connects to your database                        *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Verbindet zu Ihrer Datenbank                     *
  12  * -------------------------------------------------------------------- *
  13  *                                                                      *
  14  * -------------------------------------------------------------------- *
  15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  16  * For more information visit: http://www.mxchange.org                  *
  17  *                                                                      *
  18  * This program is free software; you can redistribute it and/or modify *
  19  * it under the terms of the GNU General Public License as published by *
  20  * the Free Software Foundation; either version 2 of the License, or    *
  21  * (at your option) any later version.                                  *
  22  *                                                                      *
  23  * This program is distributed in the hope that it will be useful,      *
  24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  26  * GNU General Public License for more details.                         *
  27  *                                                                      *
  28  * You should have received a copy of the GNU General Public License    *
  29  * along with this program; if not, write to the Free Software          *
  30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  31  * MA  02110-1301  USA                                                  *
  32  ************************************************************************/
  33
  34 // Some security stuff...
  35 if (!defined('__SECURITY')) {
  36         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  37         require($INC);
  38 }
  39
  40 // CFG: DEBUG-SQL (if enabled and DEBUG_MODE is enabled all SQL queries will be logged to debug.log)
  41 define('DEBUG_SQL', false);
  42
  43 // Non-database functions
  44 require_once(PATH."inc/functions.php");
  45
  46 // Filter functions
  47 require_once(PATH."inc/filters.php");
  48
  49 // Functions which interact with the database
  50 require_once(PATH."inc/mysql-manager.php");
  51
  52 // Load extensions and language
  53 require_once(PATH."inc/extensions.php");
  54
  55 // Load database library
  56 require_once(PATH."inc/db/lib.php");
  57
  58 // Error handler function
  59 function __errorHandler ($errno, $errstr, $errfile, $errline) {
  60         // Construct message
  61         $msg = sprintf("errno=%s,errstr=%s,errfile=%s,errline=%s",
  62                 $errno,
  63                 $errstr,
  64                 basename($errfile),
  65                 $errline
  66         );
  67
  68         // Write debug log message
  69         DEBUG_LOG(__FUNCTION__, __LINE__, "".$msg, true);
  70
  71         // Output message to user and die
  72         if (EXT_IS_ACTIVE("debug")) {
  73                 // Debug extension found! :-)
  74                 // @TODO Can this be rewritten to mxchange_die() ?
  75                 die("Error message written to debug.log. Please try to call <a href=\"".URL."\">the main page</a> to continue.");
  76         } else {
  77                 // No debug extension found
  78                 // @TODO Find a way to rewrite debug_print_backtrace() so we can maybe
  79                 // @TODO (?) rewrite this to mxchange_die()
  80                 print("Please report this error at <a href=\"http://bugs.mxchange.org\" rel=\"external\" target=\"_blank\">bugs.mxchange.org</a>:<pre>");
  81                 debug_print_backtrace();
  82                 die("</pre>Thank you for your help finding bugs.");
  83         }
  84 }
  85
  86 // Set error handler
  87 set_error_handler('__errorHandler');
  88
  89 // Call-back function for running shutdown functions and close database connection
  90 function __SHUTDOWN_HOOK () {
  91         global $link;
  92
  93         // Call the filter chain 'shutdown'
  94         RUN_FILTER('shutdown', null, false);
  95
  96         if (is_resource($link)) {
  97                 // Close link
  98                 SQL_CLOSE($link, __FILE__, __LINE__);
  99         } else {
 100                 // No database link
 101                 addFatalMessage(NO_DB_LINK);
 102         }
 103 }
 104
 105 // Register shutdown hook
 106 register_shutdown_function('__SHUTDOWN_HOOK');
 107
 108 // Check if the user setups his MySQL stuff...
 109 if ((empty($MySQL['login'])) && (!defined('mxchange_installing')) && (!isset($_GET['installing'])) && (isBooleanConstantAndTrue('mxchange_installed'))) {
 110         // No login entered and outside installation mode
 111         echo "<strong>".LANG_WARNING.":</strong> ";
 112         if (isBooleanConstantAndTrue('mxchange_installed')) {
 113                 // You have changed my configuration file!
 114                 die(DIE_CONFIG_CHANGED_YOU);
 115         } else {
 116                 // Please run the installation script (maybe again)
 117                 die(DIE_RUN_INSTALL_MYSQL);
 118         }
 119 } elseif ((!isBooleanConstantAndTrue('mxchange_installing')) && (!isset($_GET['installing'])) && (empty($MySQL['password'])) && (isBooleanConstantAndTrue('warn_no_pass'))) {
 120         // No database password entered!!!
 121         echo "<div>".LANG_WARNING.":</div> ".WARN_NULL_PASSWORD;
 122 }
 123
 124 // Set dummy $_CONFIG array
 125 $_CONFIG = array(
 126         'code_length' => 0,
 127         'patch_level' => 0,
 128         'last_update' => time()
 129 );
 130
 131 // Init fatal messages
 132 global $FATAL;
 133 $FATAL = array();
 134
 135 // Check if this file is writeable or read-only and warn the user
 136 if ((!isBooleanConstantAndTrue('mxchange_installing')) && (isBooleanConstantAndTrue('mxchange_installed'))) {
 137         // Check for write-permission for config.php and inc directory
 138         if (empty($GLOBALS['module'])) $GLOBALS['module'] = "index";
 139
 140         // CSS array
 141         $EXT_CSS_FILES = array();
 142
 143         if ((!empty($MySQL['host'])) && (!empty($MySQL['login'])) && (!empty($MySQL['password'])) && (!empty($MySQL['dbase']))) {
 144                 // Connect to DB
 145                 global $link;
 146                 $link = SQL_CONNECT($MySQL['host'], $MySQL['login'], $MySQL['password'], __FILE__, __LINE__);
 147
 148                 // Is the link valid?
 149                 if (is_resource($link)) {
 150                         // Choose the database
 151                         global $db;
 152                         $db = SQL_SELECT_DB($MySQL['dbase'], $link, __FILE__, __LINE__);
 153
 154                         // Is it a valid resource?
 155                         if ($db === true) {
 156                                 // This is required for extension 'optimize' to work
 157                                 define('__DB_NAME', $MySQL['dbase']);
 158
 159                                 // Remove MySQL array from namespace
 160                                 unset($MySQL);
 161
 162                                 // Load configuration stuff
 163                                 $_CONFIG = merge_array($_CONFIG, LOAD_CONFIG());
 164
 165                                 // Load "databases" aka static arrays
 166                                 require_once(PATH."inc/databases.php");
 167
 168                                 // Loading patching system is required here...
 169                                 require_once(PATH."inc/patch-system.php"); // Initialize patch system
 170
 171                                 // Session management
 172                                 require_once(PATH."inc/session.php");
 173
 174                                 // Run daily reset
 175                                 require_once(PATH."inc/check-reset.php");
 176
 177                                 // Load admin include file if he is admin
 178                                 if (IS_ADMIN()) {
 179                                         // Administrative functions
 180                                         require_once(PATH."inc/modules/admin/admin-inc.php");
 181                                 } // END - if
 182                                 //* DEBUG: */ ADD_POINTS_REFSYSTEM("test", 36, 1000);
 183                                 //* DEBUG: */ die();
 184
 185                                 // Get all values
 186                                 if (($CSS != 1) && ($CSS != -1)) {
 187                                         if (empty($GLOBALS['module']))  $GLOBALS['module'] = "empty";
 188                                         if (empty($GLOBALS['what']))    $GLOBALS['what']   = GET_WHAT($GLOBALS['module']);
 189                                         if (empty($GLOBALS['action']))  $GLOBALS['action'] = GET_ACTION($GLOBALS['module'], $GLOBALS['what']);
 190                                 } else {
 191                                         // Set action/what to empty
 192                                         $GLOBALS['action'] = "";
 193                                         $GLOBALS['what']   = "";
 194                                 }
 195
 196                                 // Run the init filter chain
 197                                 RUN_FILTER('init');
 198
 199                                 // Set default 'what' value
 200                                 //* DEBUG: */ echo "-".$GLOBALS['module']."/".$GLOBALS['what']."-<br />\n";
 201                                 if ((empty($GLOBALS['what'])) && (empty($GLOBALS['action'])) && ($CSS != 1) && ($CSS != -1)) {
 202                                         if ($GLOBALS['module'] == "admin") {
 203                                                 // Set 'action' value to 'login' in admin menu
 204                                                 $GLOBALS['action'] = GET_ACTION($GLOBALS['module'], $GLOBALS['what']);
 205                                         } elseif (($GLOBALS['module'] == "index") || ($GLOBALS['module'] == "login")) {
 206                                                 // Set 'what' value to 'welcome' in guest and member menu
 207                                                 $GLOBALS['what'] = "welcome";
 208                                                 if (getConfig('index_home') != "") $GLOBALS['what'] = getConfig('index_home');
 209                                         } else {
 210                                                 // Anything else like begging link
 211                                                 $GLOBALS['what'] = "";
 212                                         }
 213                                 } // END - if
 214
 215                                 // Update sending pool
 216                                 if (($CSS != "1") && ($CSS != "-1")) require_once(PATH."inc/pool-update.php"); // Sends out mails in configureable steps
 217
 218                                 // Load all active extension including language files when not upgrading.
 219                                 // Check module for testing and count one click
 220                                 $dummy = CHECK_MODULE($GLOBALS['module']);
 221                                 if ($dummy == "done") COUNT_MODULE($GLOBALS['module']);
 222                                 unset($dummy);
 223
 224                                 // Shall we activate the exchange?
 225                                 if (getConfig('activate_xchange') > 0) activateExchange();
 226
 227                                 // Is the extension sql_patches installed and at least 0.3.6?
 228                                 if (GET_EXT_VERSION("sql_patches") >= "0.3.6") {
 229                                         // Generate random number
 230                                         if (isset($GLOBALS['userid'])) {
 231                                                 define('RAND_NUMBER', GEN_RANDOM_CODE(10, mt_rand(10000,32766), $GLOBALS['userid'], ""));
 232                                         } else {
 233                                                 define('RAND_NUMBER', GEN_RANDOM_CODE(10, mt_rand(10000,32766), 0, ""));
 234                                         }
 235                                 } else {
 236                                         // Generate weak (!!!) code
 237                                         define('RAND_NUMBER', mt_rand(1000000, 9999999));
 238                                 }
 239                         } else {
 240                                 // Add language system
 241                                 include (PATH."inc/language.php");
 242
 243                                 // Wrong database?
 244                                 addFatalMessage(WRONG_DB_SELECTED);
 245                         }
 246                 } else {
 247                         // Add language system
 248                         include (PATH."inc/language.php");
 249
 250                         // No link to database!
 251                         addFatalMessage(NO_DB_LINK);
 252                         $db = false;
 253                 }
 254         } else {
 255                 // Add language system
 256                 include (PATH."inc/language.php");
 257
 258                 // Maybe you forgot to enter your MySQL data?
 259                 addFatalMessage(MYSQL_DATA_MISSING);
 260         }
 261 } else {
 262         ///////////////////////////////////////////////////
 263         // Include neccessary functions for installation //
 264         ///////////////////////////////////////////////////
 265
 266         // Set other missing variables
 267         if (!isset($CSS)) $CSS = "0";
 268         $link = false; // No database link by default
 269
 270         // Include required files
 271         require_once(PATH."inc/databases.php");
 272         require_once(PATH."inc/session.php");
 273
 274         // Check if we are in installation routine
 275         if ((basename($_SERVER['PHP_SELF']) != "install.php") && ($CSS != "1") && ($CSS != -1)) {
 276                 // Redirect to the installation system
 277                 LOAD_URL("install.php");
 278         } // END - if
 279
 280         // Double-check installation mode
 281         if ((!isBooleanConstantAndTrue('mxchange_installed')) || (!isBooleanConstantAndTrue('admin_registered'))) {
 282                 // Check for file permissions
 283                 if (!IS_INC_WRITEABLE("config")) {
 284                         addFatalMessage(CONFIG_IS_WRITE_PROTECTED);
 285                 } // END - if
 286                 if (!IS_INC_WRITEABLE("dummy")) {
 287                         addFatalMessage(DUMMY_IS_WRITE_PROTECTED);
 288                 } // END - if
 289                 if (!IS_INC_WRITEABLE(".secret/dummy")) {
 290                         addFatalMessage(SECRET_IS_WRITE_PROTECTED);
 291                 } // END - if
 292         } // END - if
 293 }
 294
 295 if ((getTotalFatalErrors() > 0) && (isBooleanConstantAndTrue('mxchange_installed')) && (!defined('mxchange_installing')) && ($CSS != "1")) {
 296         // One or more fatal error(s) occur during connect...
 297         include (PATH."inc/header.php");
 298         include (PATH."inc/fatal_errors.php");
 299         include (PATH."inc/footer.php");
 300 } // END - if
 301
 302 //
 303 ?>