2 /************************************************************************
3 * MXChange v0.2.1 Start: 10/08/2005 *
4 * =============== Last change: 01/01/2006 *
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 * -------------------------------------------------------------------- *
14 * -------------------------------------------------------------------- *
15 * Copyright (c) 2003 - 2008 by Roland Haeder *
16 * For more information visit: http://www.mxchange.org *
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. *
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. *
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, *
32 ************************************************************************/
34 // Some security stuff...
35 if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
37 $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
41 // Check for version of sql_patches
42 if (GET_EXT_VERSION("sql_patches") < "0.3.6") return false;
44 // Check if there is no scrambling string
45 if (empty($_CONFIG['pass_scramble']))
47 // Generate 40 chars long scramble string
48 $scrambleString = genScrambleString(40);
50 // ... and store it there for future usage
51 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET pass_scramble='%s' WHERE config=0 LIMIT 1",
52 array($scrambleString), __FILE__, __LINE__);
54 // Also remember it in config
55 $_CONFIG['pass_scramble'] = $scrambleString;
56 unset($scrambleString);
59 // Check if there is no master salt string
60 if (empty($_CONFIG['master_salt']))
62 // Generate the master salt which is the first chars minus 40 chars of this random hash
63 // We do an extra scrambling here...
64 $masterSalt = scrambleString(substr(generateHash(GEN_PASS(rand(128, 256))), 0, -40));
66 // ... and store it there for future usage
67 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET master_salt='%s' WHERE config=0 LIMIT 1",
68 array($masterSalt), __FILE__, __LINE__);
70 // Also remember it in config
71 $_CONFIG['master_salt'] = $masterSalt;
75 if (empty($_CONFIG['file_hash']))
77 // Create filename from hashed random string
78 $file_hash = generateHash(GEN_PASS(rand(128, 256)));
79 $file = PATH."inc/.secret/.".$file_hash;
81 // File hash was never created
82 $fp = @fopen($file, 'w') or mxchange_die("Cannot write secret key file!");
85 // Could write to secret file! So let's generate the secret key...
86 // 1. Count of chars to be taken from back of the string
88 // 2. Generate secret key from a randomized string
89 $secretKey = substr(generateHash(GEN_PASS(rand(128, 256))), -$nums);
90 // 3. Write the key to the file
91 fwrite($fp, $secretKey);
95 // Change access rights for more security
98 //* DEBUG: */ unlink($file);
99 //* DEBUG: */ $test = hexdec($_SESSION['u_hash']) / hexdec($secretKey);
100 //* DEBUG: */ $test = generateHash(str_replace('.', '', $test));
101 //* DEBUG: */ die("Secret-Key: ".$secretKey."<br>Cookie: ".$_SESSION['u_hash']."<br>Test: ".$test);
103 // Write $file_hash to database
104 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET file_hash='%s' WHERE config=0 LIMIT 1",
105 array($file_hash), __FILE__, __LINE__);
107 // Also create .htaccess file
108 $fp = @fopen(PATH."inc/.secret/.htaccess", 'w') or mxchange_die("Cannot write to .htaccess file!");
111 // Add deny line to file
112 fwrite($fp, "Deny from all");
118 // Also update configuration
119 $_CONFIG['secret_key'] = $secretKey; unset($secretKey);
120 $_CONFIG['file_hash'] = $file_hash; unset($file_hash);