Fixes for 'Can't use function return value in write context in /foo/bar.php'
[mailer.git] / 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 // Load database library
44 require_once(PATH."inc/db/lib.php");
45
46 // Non-database functions
47 require_once(PATH."inc/functions.php");  
48
49 // Filter functions
50 require_once(PATH."inc/filters.php");  
51
52 // Functions which interact with the database
53 require_once(PATH."inc/mysql-manager.php");
54
55 // Load extensions and language
56 require_once(PATH."inc/extensions.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                 die("Error message written to debug.log. Please try to call <a href=\"".URL."\">the main page</a> to continue.");
75         } else {
76                 // No debug extension found
77                 print("Please report this error at <a href=\"http://forum.mxchange.org\" rel=\"external\" target=\"_blank\">forum.mxchange.org</a>:<pre>");
78                 debug_print_backtrace();
79                 die("</pre>Thank you for your help finding bugs.");
80         }
81 }
82
83 // Set error handler
84 set_error_handler('__errorHandler');
85
86 // Call-back function for running shutdown functions
87 function __RUN_SHUTDOWN_FILTER () {
88         // Call the filter chain 'shutdown'
89         RUN_FILTER('shutdown', null, false);
90 }
91
92 // Register shutdown hook
93 register_shutdown_function('__RUN_SHUTDOWN_FILTER');
94
95 // Check if the user setups his MySQL stuff...
96 if ((empty($MySQL['login'])) && (!defined('mxchange_installing')) && (!isset($_GET['installing'])) && (isBooleanConstantAndTrue('mxchange_installed'))) {
97         // No login entered and outside installation mode
98         echo "<STRONG>".LANG_WARNING.":</STRONG> ";
99         if (isBooleanConstantAndTrue('mxchange_installed')) {
100                 // You have changed my configuration file!
101                 die(DIE_CONFIG_CHANGED_YOU);
102         } else {
103                 // Please run the installation script (maybe again)
104                 die(DIE_RUN_INSTALL_MYSQL);
105         }
106 } elseif ((!isBooleanConstantAndTrue('mxchange_installing')) && (!isset($_GET['installing'])) && (empty($MySQL['password'])) && (isBooleanConstantAndTrue('warn_no_pass'))) {
107         // No database password entered!!!
108         echo "<STRONG>".LANG_WARNING.":</STRONG> ".WARN_NULL_PASSWORD;
109 }
110
111 // Set dummy $_CONFIG array
112 $_CONFIG = array(
113         'code_length' => 0,
114         'patch_level' => 0,
115         'last_update' => time()
116 );
117
118 // Check if this file is writeable or read-only and warn the user
119 if ((!isBooleanConstantAndTrue('mxchange_installing')) && (isBooleanConstantAndTrue('mxchange_installed'))) {
120         // Check for write-permission for config.php and inc directory
121         if (empty($GLOBALS['module'])) $GLOBALS['module'] = "index";
122
123         // CSS array
124         $EXT_CSS_FILES = array();
125
126         if ((!empty($MySQL['host'])) && (!empty($MySQL['login'])) && (!empty($MySQL['password'])) && (!empty($MySQL['dbase']))) {
127                 // Connect to DB
128                 global $link;
129                 $link = SQL_CONNECT($MySQL['host'], $MySQL['login'], $MySQL['password'], __FILE__, __LINE__);
130
131                 // Is the link valid?
132                 if (is_resource($link)) {
133                         // Choose the database
134                         global $db;
135                         $db = SQL_SELECT_DB($MySQL['dbase'], $link, __FILE__, __LINE__);
136
137                         // Is it a valid resource?
138                         if ($db === true) {
139                                 // This is required for extension 'optimize' to work
140                                 define('__DB_NAME', $MySQL['dbase']);
141
142                                 // Remove MySQL array from namespace
143                                 unset($MySQL);
144
145                                 // Load configuration stuff
146                                 $_CONFIG = merge_array($_CONFIG, LOAD_CONFIG());
147
148                                 // Initialize include-file-pool
149                                 $INC_POOL = array();
150
151                                 // Load "databases" aka static arrays
152                                 require_once(PATH."inc/databases.php");
153
154                                 // Loading patching system is required here...
155                                 require_once(PATH."inc/patch-system.php"); // Initialize patch system
156
157                                 // Session management
158                                 require_once(PATH."inc/session.php");
159
160                                 // Run daily reset
161                                 require_once(PATH."inc/check-reset.php");
162
163                                 // Create missing configuration file
164                                 if (!function_exists('GET_CURR_THEME')) {
165                                         // Load dummy theme functions
166                                         require_once(PATH."inc/theme-dummy.php");
167                                 } // END - if
168
169                                 // Load admin include file if he is admin
170                                 if (IS_ADMIN()) {
171                                         // Administrative functions
172                                         require_once(PATH."inc/modules/admin/admin-inc.php");
173                                 } // END - if
174                                 //* DEBUG: */ ADD_POINTS_REFSYSTEM("test", 36, 1000);
175                                 //* DEBUG: */ die();
176
177                                 // Get all values
178                                 if (($CSS != 1) && ($CSS != -1)) {
179                                         if (empty($GLOBALS['module']))  $GLOBALS['module'] = "empty";
180                                         if (empty($GLOBALS['what']))    $GLOBALS['what']   = GET_WHAT($GLOBALS['module']);
181                                         if (empty($GLOBALS['action']))  $GLOBALS['action'] = GET_ACTION($GLOBALS['module'], $GLOBALS['what']);
182                                 } else {
183                                         // Set action/what to empty
184                                         $GLOBALS['action'] = "";
185                                         $GLOBALS['what']   = "";
186                                 }
187
188                                 // Secure and validate user ID from cookie
189                                 UPDATE_LOGIN_DATA();
190
191                                 // Update online list
192                                 UPDATE_ONLINE_LIST($PHPSESSID, $GLOBALS['module'], $GLOBALS['action'], $GLOBALS['what']);
193
194                                 // Set default 'what' value
195                                 //* DEBUG: */ echo "-".$GLOBALS['module']."/".$GLOBALS['what']."-<br />\n";
196                                 if ((empty($GLOBALS['what'])) && (empty($GLOBALS['action'])) && ($CSS != 1) && ($CSS != -1)) {
197                                         if ($GLOBALS['module'] == "admin") {
198                                                 // Set 'action' value to 'login' in admin menu
199                                                 $GLOBALS['action'] = GET_ACTION($GLOBALS['module'], $GLOBALS['what']);
200                                         } elseif (($GLOBALS['module'] == "index") || ($GLOBALS['module'] == "login")) {
201                                                 // Set 'what' value to 'welcome' in guest and member menu
202                                                 $GLOBALS['what'] = "welcome";
203                                                 if (getConfig('index_home') != "") $GLOBALS['what'] = getConfig('index_home');
204                                         } else {
205                                                 // Anything else like begging link
206                                                 $GLOBALS['what'] = "";
207                                         }
208                                 } // END - if
209
210                                 // Update sending pool
211                                 if (($CSS != "1") && ($CSS != "-1")) require_once(PATH."inc/pool-update.php"); // Sends out mails in configureable steps
212
213                                 // Load all active extension including language files when not upgrading.
214                                 // Check module for testing and count one click
215                                 $dummy = CHECK_MODULE($GLOBALS['module']);
216                                 if ($dummy == "done") COUNT_MODULE($GLOBALS['module']);
217                                 unset($dummy);
218
219                                 // Shall we activate the exchange?
220                                 if (getConfig('activate_xchange') > 0) activateExchange();
221
222                                 // Is the extension sql_patches installed and at least 0.3.6?
223                                 if (GET_EXT_VERSION("sql_patches") >= "0.3.6") {
224                                         // Generate random number
225                                         if (isset($GLOBALS['userid'])) {
226                                                 define('RAND_NUMBER', GEN_RANDOM_CODE(10, mt_rand(10000,32766), $GLOBALS['userid'], ""));
227                                         } else {
228                                                 define('RAND_NUMBER', GEN_RANDOM_CODE(10, mt_rand(10000,32766), 0, ""));
229                                         }
230                                 } else {
231                                         // Generate weak (!!!) code
232                                         define('RAND_NUMBER', mt_rand(1000000, 9999999));
233                                 }
234                         } else {
235                                 // Add language system
236                                 include (PATH."inc/language.php");
237
238                                 // Wrong database?
239                                 ADD_FATAL(WRONG_DB_SELECTED);
240                         }
241                 } else {
242                         // Add language system
243                         include (PATH."inc/language.php");
244
245                         // No link to database!
246                         ADD_FATAL(NO_DB_LINK);
247                         $db = false;
248                 }
249         } else {
250                 // Add language system
251                 include (PATH."inc/language.php");
252
253                 // Maybe you forgot to enter your MySQL data?
254                 ADD_FATAL(MYSQL_DATA_MISSING);
255         }
256 } else {
257         ///////////////////////////////////////////////////
258         // Include neccessary functions for installation //
259         ///////////////////////////////////////////////////
260
261         // Set other missing variables
262         $link = false; // No database link by default
263
264         // Include required files
265         require_once(PATH."inc/databases.php");
266         require_once(PATH."inc/session.php");
267
268         // Create missing configuration file
269         if (!function_exists('GET_CURR_THEME')) {
270                 // Load dummy theme functions
271                 require_once(PATH."inc/theme-dummy.php");
272         } // END - if
273
274         // Check if we are in installation routine
275         $installPhp = basename($_SERVER['PHP_SELF']);
276         if (($installPhp != "install.php") && ($CSS != "1") && ($CSS != -1)) {
277                 // Redirect to the installation system
278                 LOAD_URL("install.php");
279         } // END - if
280
281         // Double-check installation mode
282         if ((!isBooleanConstantAndTrue('mxchange_installed')) || (!isBooleanConstantAndTrue('admin_registered'))) {
283                 // Check for file permissions
284                 if (!IS_INC_WRITEABLE("config")) {
285                         ADD_FATAL(CONFIG_IS_WRITE_PROTECTED);
286                 } // END - if
287                 if (!IS_INC_WRITEABLE("dummy")) {
288                         ADD_FATAL(DUMMY_IS_WRITE_PROTECTED);
289                 } // END - if
290                 if (!IS_INC_WRITEABLE(".secret/dummy")) {
291                         ADD_FATAL(SECRET_IS_WRITE_PROTECTED);
292                 } // END - if
293         } // END - if
294 }
295
296 // Init filter system
297 INIT_FILTER_SYSTEM();
298
299 // Any fatal messages?
300 if (!is_array($FATAL)) $FATAL = array();
301 if (((sizeof($FATAL) > 0) || (!empty($FATAL[0]))) && (isBooleanConstantAndTrue('mxchange_installed')) && (!defined('mxchange_installing')) && ($CSS != "1")) {
302         // One or more fatal error(s) occur during connect...
303         include (PATH."inc/header.php");
304         include (PATH."inc/fatal_errors.php");
305         unset($FATAL);
306         include (PATH."inc/footer.php");
307         exit;
308 } // END - if
309
310 //
311 ?>