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'])) {
36 $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
40 // Check for version of sql_patches
41 if (GET_EXT_VERSION("sql_patches") < "0.3.6") return false;
43 // Check if there is no scrambling string
44 if (empty($_CONFIG['pass_scramble'])) {
45 // Generate 40 chars long scramble string
46 $scrambleString = genScrambleString(40);
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__);
52 // Also remember it in config
53 $_CONFIG['pass_scramble'] = $scrambleString;
54 unset($scrambleString);
57 // Check if there is no master salt string
58 if (empty($_CONFIG['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(generateHash(GEN_PASS(rand(128, 256))), 0, -40));
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__);
67 // Also remember it in config
68 $_CONFIG['master_salt'] = $masterSalt;
72 if (empty($_CONFIG['file_hash'])) {
73 // Create filename from hashed random string
74 $file_hash = generateHash(GEN_PASS(rand(128, 256)));
75 $file = sprintf("%sinc/.secret/.%s", PATH, $file_hash);
77 // File hash was never created
78 $fp = @fopen($file, 'w') or mxchange_die("Cannot write secret key file!");
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
83 // 2. Generate secret key from a randomized string
84 $secretKey = substr(generateHash(GEN_PASS(rand(128, 256))), -$nums);
85 // 3. Write the key to the file
86 fwrite($fp, $secretKey);
90 // Change access rights for more security
93 //* DEBUG: */ unlink($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);
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__);
102 // Also update configuration
103 $_CONFIG['secret_key'] = $secretKey;
104 $_CONFIG['file_hash'] = $file_hash;
106 // And remove some variables