inc/gen_sql_patches.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 10/08/2005 *
   4  * ===============                              Last change: 01/01/2006 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : gen_sql_patches.php                              *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Patch password system after upgrading            *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Patcht das Passwort-System nach DB-Update        *
  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 (ereg(basename(__FILE__), $_SERVER['PHP_SELF'])) {
  36         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  37         require($INC);
  38 }
  39
  40 // Check for version of sql_patches
  41 if (GET_EXT_VERSION("sql_patches") < "0.3.6") return false;
  42
  43 // Check if there is no scrambling string
  44 if (getConfig('pass_scramble') == "") {
  45         // Generate 40 chars long scramble string
  46         $scrambleString = genScrambleString(40);
  47
  48         // ... and store it there for future usage
  49         $result = SQL_QUERY_ESC("UPDATE `"._MYSQL_PREFIX."_config` SET pass_scramble='%s' WHERE config=0 LIMIT 1",
  50                 array($scrambleString), __FILE__, __LINE__);
  51
  52         // Also remember it in config
  53         $_CONFIG['pass_scramble'] = $scrambleString;
  54         unset($scrambleString);
  55 } // END - if
  56
  57 // Check if there is no master salt string
  58 if (getConfig('master_salt') == "") {
  59         // Generate the master salt which is the first chars minus 40 chars of this random hash
  60         // We do an extra scrambling here...
  61         $masterSalt = scrambleString(substr(sha1(GEN_PASS(mt_rand(128, 256))), 0, -40));
  62
  63         // ... and store it there for future usage
  64         $result = SQL_QUERY_ESC("UPDATE `"._MYSQL_PREFIX."_config` SET master_salt='%s' WHERE config=0 LIMIT 1",
  65                 array($masterSalt), __FILE__, __LINE__);
  66
  67         // Also remember it in config
  68         $_CONFIG['master_salt'] = $masterSalt;
  69         unset($masterSalt);
  70 } // END - if
  71
  72 if (getConfig('file_hash') == "") {
  73         // Create filename from hashed random string
  74         $file_hash = sha1(GEN_PASS(mt_rand(128, 256)));
  75         $file = PATH."inc/.secret/.".$file_hash;
  76
  77         // File hash was never created
  78         $fp = @fopen($file, 'w') or mxchange_die("Cannot write secret key file!");
  79         if ($fp != false) {
  80                 // Could write to secret file! So let's generate the secret key...
  81                 // 1. Count of chars to be taken from back of the string
  82                 $nums = mt_rand(40, 45);
  83                 // 2. Generate secret key from a randomized string
  84                 $secretKey = substr(sha1(GEN_PASS(mt_rand(128, 256))), -$nums);
  85                 // 3. Write the key to the file
  86                 fwrite($fp, $secretKey);
  87                 // 4. Close file
  88                 fclose($fp);
  89
  90                 // Change access rights for more security
  91                 @chmod($file, 0644);
  92
  93                 //* DEBUG: */ unlink($file);
  94                 //* DEBUG: */ $test = hexdec(get_session('u_hash')) / hexdec($secretKey);
  95                 //* DEBUG: */ $test = generateHash(str_replace('.', "", $test));
  96                 //* DEBUG: */ die("Secret-Key: ".$secretKey."<br>Cookie: ".get_session('u_hash')."<br>Test: ".$test);
  97
  98                 // Write $file_hash to database
  99                 $result = SQL_QUERY_ESC("UPDATE `"._MYSQL_PREFIX."_config` SET file_hash='%s' WHERE config=0 LIMIT 1",
 100                         array($file_hash), __FILE__, __LINE__);
 101
 102                 // Is the .htaccess file there?
 103                 if (!FILE_READABLE(PATH."inc/.secret/.htaccess")) {
 104                         // Also create .htaccess file
 105                         $fp = @fopen(PATH."inc/.secret/.htaccess", 'w') or mxchange_die("Cannot write to .htaccess file!");
 106                         if ($fp != false) {
 107                                 // Add deny line to file
 108                                 fwrite($fp, "Deny from all");
 109
 110                                 // Close the file
 111                                 fclose($fp);
 112                         } // END - if
 113                 } // END - if
 114
 115                 // Also update configuration
 116                 $_CONFIG['secret_key'] = $secretKey; unset($secretKey);
 117                 $_CONFIG['file_hash']  = $file_hash; unset($file_hash);
 118         } // END - if
 119 } // END - if
 120
 121 //
 122 ?>