2 /************************************************************************
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3 * MXChange v0.2.1 Start: 10/08/2005 *
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4 * =============== Last change: 01/01/2006 *
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6 * -------------------------------------------------------------------- *
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7 * File : gen_sql_patches.php *
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8 * -------------------------------------------------------------------- *
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9 * Short description : Patch password system after upgrading *
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10 * -------------------------------------------------------------------- *
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11 * Kurzbeschreibung : Patcht das Passwort-System nach DB-Update *
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12 * -------------------------------------------------------------------- *
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14 * -------------------------------------------------------------------- *
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15 * Copyright (c) 2003 - 2008 by Roland Haeder *
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16 * For more information visit: http://www.mxchange.org *
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18 * This program is free software; you can redistribute it and/or modify *
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19 * it under the terms of the GNU General Public License as published by *
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20 * the Free Software Foundation; either version 2 of the License, or *
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21 * (at your option) any later version. *
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23 * This program is distributed in the hope that it will be useful, *
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24 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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26 * GNU General Public License for more details. *
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28 * You should have received a copy of the GNU General Public License *
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29 * along with this program; if not, write to the Free Software *
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30 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
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31 * MA 02110-1301 USA *
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32 ************************************************************************/
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34 // Some security stuff...
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35 if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
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37 $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4)."/security.php";
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41 // Check for version of sql_patches
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42 if (GET_EXT_VERSION("sql_patches") < "0.3.6") return false;
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44 // Check if there is no scrambling string
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45 if (empty($CONFIG['pass_scramble']))
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47 // Generate 40 chars long scramble string
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48 $scrambleString = genScrambleString(40);
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50 // ... and store it there for future usage
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51 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET pass_scramble='%s' WHERE config='0' LIMIT 1",
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52 array($scrambleString), __FILE__, __LINE__);
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54 // Also remember it in config
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55 $CONFIG['pass_scramble'] = $scrambleString;
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56 unset($scrambleString);
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59 // Check if there is no master salt string
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60 if (empty($CONFIG['master_salt']))
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62 // Generate the master salt which is the first chars minus 40 chars of this random hash
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63 // We do an extra scrambling here...
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64 $masterSalt = scrambleString(substr(generateHash(GEN_PASS(rand(128, 256))), 0, -40));
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66 // ... and store it there for future usage
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67 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET master_salt='%s' WHERE config='0' LIMIT 1",
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68 array($masterSalt), __FILE__, __LINE__);
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70 // Also remember it in config
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71 $CONFIG['master_salt'] = $masterSalt;
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75 if (empty($CONFIG['file_hash']))
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77 // Create filename from hashed random string
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78 $file_hash = generateHash(GEN_PASS(rand(128, 256)));
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79 $file = PATH."inc/.secret/.".$file_hash;
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81 // File hash was never created
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82 $fp = @fopen($file, 'w') or mxchange_die("Cannot write secret key file!");
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85 // Could write to secret file! So let's generate the secret key...
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86 // 1. Count of chars to be taken from back of the string
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87 $nums = rand(40, 45);
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88 // 2. Generate secret key from a randomized string
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89 $secretKey = substr(generateHash(GEN_PASS(rand(128, 256))), -$nums);
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90 // 3. Write the key to the file
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91 fwrite($fp, $secretKey);
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95 // Change access rights for more security
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96 @chmod($file, 0644);
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98 //* DEBUG: */ unlink($file);
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99 //* DEBUG: */ $test = hexdec($_COOKIE['u_hash']) / hexdec($secretKey);
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100 //* DEBUG: */ $test = generateHash(str_replace('.', '', $test));
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101 //* DEBUG: */ die("Secret-Key: ".$secretKey."<br>Cookie: ".$_COOKIE['u_hash']."<br>Test: ".$test);
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103 // Write $file_hash to database
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104 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET file_hash='%s' WHERE config='0' LIMIT 1",
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105 array($file_hash), __FILE__, __LINE__);
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107 // Also create .htaccess file
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108 $fp = @fopen(PATH."inc/.secret/.htaccess", 'w') or mxchange_die("Cannot write to .htaccess file!");
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111 // Add deny line to file
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112 fwrite($fp, "Deny from all");
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118 // Also update configuration
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119 $CONFIG['secret_key'] = $secretKey; unset($secretKey);
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120 $CONFIG['file_hash'] = $file_hash; unset($file_hash);
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