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Revision 4

Added by Manuela over 7 years ago

install:: security issue fixed. Now save.php only can be called from form inside index.php

View differences:

save.php
16 16
 *
17 17
 */
18 18

  
19
$debug = false;
20

  
21
if (true === $debug) {
22
    ini_set('display_errors', 1);
23
    error_reporting(E_ALL);
24
}
25
// Start a session
26
if (!defined('SESSION_STARTED')) {
27
    session_name('wb-installer');
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    session_start();
29
    define('SESSION_STARTED', true);
30
}
31
// get random-part for session_name()
32
list($usec,$sec) = explode(' ',microtime());
33
srand((float)$sec+((float)$usec*100000));
34
$session_rand = rand(1000,9999);
35

  
36 19
// Function to set error
37
function set_error($message, $field_name = '') {
38
//    global $_POST;
39
    if (isset($message) AND $message != '') {
40
        // Copy values entered into session so user doesn't have to re-enter everything
41
        if (isset($_POST['website_title'])) {
42
            $_SESSION['wb_url'] = $_POST['wb_url'];
43
            $_SESSION['default_timezone'] = $_POST['default_timezone'];
44
            $_SESSION['default_language'] = $_POST['default_language'];
45
            if (!isset($_POST['operating_system'])) {
46
                $_SESSION['operating_system'] = 'linux';
47
            } else {
48
                $_SESSION['operating_system'] = $_POST['operating_system'];
20
    function set_error($message, $field_name = '') {
21
    //    global $_POST;
22
        if (isset($message) AND $message != '') {
23
            // first clean session before fill up with values to remember
24
            $_SESSION = [];
25
            // Copy values entered into session so user doesn't have to re-enter everything
26
            if (isset($_POST['website_title'])) {
27
                $_SESSION['wb_url'] = $_POST['wb_url'];
28
                $_SESSION['default_timezone'] = $_POST['default_timezone'];
29
                $_SESSION['default_language'] = $_POST['default_language'];
30
                if (!isset($_POST['operating_system'])) {
31
                    $_SESSION['operating_system'] = 'linux';
32
                } else {
33
                    $_SESSION['operating_system'] = $_POST['operating_system'];
34
                }
35
                $_SESSION['world_writeable'] = (bool) isset($_POST['world_writeable']) ? $_POST['world_writeable'] : false;
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                $_SESSION['database_host'] = $_POST['database_host'];
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                $_SESSION['database_username'] = $_POST['database_username'];
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                $_SESSION['database_password'] = $_POST['database_password'];
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                $_SESSION['database_name'] = $_POST['database_name'];
40
                $_SESSION['table_prefix'] = $_POST['table_prefix'];
41
                $_SESSION['install_tables'] = (bool) isset($_POST['install_tables']) ? $_POST['install_tables'] : false;
42
                $_SESSION['website_title'] = $_POST['website_title'];
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                $_SESSION['admin_username'] = $_POST['admin_username'];
44
                $_SESSION['admin_email'] = $_POST['admin_email'];
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                $_SESSION['admin_password'] = $_POST['admin_password'];
46
                $_SESSION['admin_repassword'] = $_POST['admin_repassword'];
49 47
            }
50
            if (!isset($_POST['world_writeable'])) {
51
                $_SESSION['world_writeable'] = false;
52
            } else {
53
                $_SESSION['world_writeable'] = true;
48
            // Set the message
49
            $_SESSION['message'] = $message;
50
            // Set the element(s) to highlight
51
            if ($field_name != '') {
52
                $_SESSION['ERROR_FIELD'] = $field_name;
54 53
            }
55
            $_SESSION['database_host'] = $_POST['database_host'];
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            $_SESSION['database_username'] = $_POST['database_username'];
57
            $_SESSION['database_password'] = $_POST['database_password'];
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            $_SESSION['database_name'] = $_POST['database_name'];
59
            $_SESSION['table_prefix'] = $_POST['table_prefix'];
60
            if (!isset($_POST['install_tables'])) {
61
                $_SESSION['install_tables'] = false;
62
            } else {
63
                $_SESSION['install_tables'] = true;
64
            }
65
            $_SESSION['website_title'] = $_POST['website_title'];
66
            $_SESSION['admin_username'] = $_POST['admin_username'];
67
            $_SESSION['admin_email'] = $_POST['admin_email'];
68
            $_SESSION['admin_password'] = $_POST['admin_password'];
69
            $_SESSION['admin_repassword'] = $_POST['admin_repassword'];
54
            // Specify that session support is enabled
55
            $_SESSION['session_support'] = '<font class="good">Enabled</font>';
56
            // Redirect to first page again and exit
57
            header('Location: index.php?sessions_checked=true');
58
            exit();
70 59
        }
71
        // Set the message
72
        $_SESSION['message'] = $message;
73
        // Set the element(s) to highlight
74
        if ($field_name != '') {
75
            $_SESSION['ERROR_FIELD'] = $field_name;
76
        }
77
        // Specify that session support is enabled
78
        $_SESSION['session_support'] = '<font class="good">Enabled</font>';
79
        // Redirect to first page again and exit
80
        header('Location: index.php?sessions_checked=true');
81
        exit();
82 60
    }
83
}
84 61
/* */
85 62

  
86 63
// Function to workout what the default permissions are for files created by the webserver
87
function default_file_mode($temp_dir) {
88
    if (version_compare(PHP_VERSION, '5.3.6', '>=') && is_writable($temp_dir)) {
89
        $filename = $temp_dir.'/test_permissions.txt';
90
        $handle = fopen($filename, 'w');
91
        fwrite($handle, 'This file is to get the default file permissions');
92
        fclose($handle);
93
        $default_file_mode = '0'.substr(sprintf('%o', fileperms($filename)), -3);
94
        unlink($filename);
95
    } else {
96
        $default_file_mode = '0777';
64
    function default_file_mode($temp_dir) {
65
        if (version_compare(PHP_VERSION, '5.3.6', '>=') && is_writable($temp_dir)) {
66
            $filename = $temp_dir.'/test_permissions.txt';
67
            $handle = fopen($filename, 'w');
68
            fwrite($handle, 'This file is to get the default file permissions');
69
            fclose($handle);
70
            $default_file_mode = '0'.substr(sprintf('%o', fileperms($filename)), -3);
71
            unlink($filename);
72
        } else {
73
            $default_file_mode = '0777';
74
        }
75
        return $default_file_mode;
97 76
    }
98
    return $default_file_mode;
99
}
100 77

  
101 78
// Function to workout what the default permissions are for directories created by the webserver
102
function default_dir_mode($temp_dir) {
103
    if (version_compare(PHP_VERSION, '5.3.6', '>=') && is_writable($temp_dir)) {
104
        $dirname = $temp_dir.'/test_permissions/';
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        mkdir($dirname);
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        $default_dir_mode = '0'.substr(sprintf('%o', fileperms($dirname)), -3);
107
        rmdir($dirname);
108
    } else {
109
        $default_dir_mode = '0777';
79
    function default_dir_mode($temp_dir) {
80
        if (version_compare(PHP_VERSION, '5.3.6', '>=') && is_writable($temp_dir)) {
81
            $dirname = $temp_dir.'/test_permissions/';
82
            mkdir($dirname);
83
            $default_dir_mode = '0'.substr(sprintf('%o', fileperms($dirname)), -3);
84
            rmdir($dirname);
85
        } else {
86
            $default_dir_mode = '0777';
87
        }
88
        return $default_dir_mode;
110 89
    }
111
    return $default_dir_mode;
112
}
113 90

  
114
function add_slashes($input) {
115
    if (get_magic_quotes_gpc() || ( !is_string($input) )) {
116
        return $input;
91
    function add_slashes($sInput) {
92
    //    if (get_magic_quotes_gpc() || ( !is_string($input) )) {
93
    //        return $input;
94
    //    }
95
    //    $output = addslashes($input);
96
    //    return $output;
97
        return $sInput;
117 98
    }
118
    $output = addslashes($input);
119
    return $output;
99
//
100
// ************************************************************************************ //
101
//
102

  
103
$debug = false;
104

  
105
if (true === $debug) {
106
    ini_set('display_errors', 1);
107
    error_reporting(E_ALL);
120 108
}
109
// Start a session
110
if (!defined('SESSION_STARTED')) {
111
    session_name('wb-installer');
112
    session_start();
113
    define('SESSION_STARTED', true);
114
}
115
$bTokenOk = false;
116
if (isset($_SESSION['token']) && isset($_POST[$_SESSION['token']['name']])) {
117
    $bTokenOk = (bool) ($_POST[$_SESSION['token']['name']] == $_SESSION['token']['value']);
118
}
119
if (!$bTokenOk) { throw new RuntimeException('Illegal file access detected!!'); }
120
unset($_SESSION['token']);
121 121

  
122 122
// Begin check to see if form was even submitted
123 123
// Set error if no post vars found
......
153 153
    $default_language = $_POST['default_language'];
154 154
    // make sure the selected language file exists in the language folder
155 155
    if (!file_exists('../languages/' .$default_language .'.php')) {
156
        set_error('The language file: \'' .$default_language .'.php\' is missing. Upload file to language folder or choose another language','default_language');
156
        set_error(
157
            'The language file: \'' .$default_language .'.php\' is missing. '.
158
            'Upload file to language folder or choose another language',
159
            'default_language'
160
        );
157 161
    }
158 162
}
159 163
// End default language details code
......
376 380
    .'(\'wb_sp\', \''.SP.'\'),'
377 381
    .'(\'website_title\', \''.$website_title.'\'),'
378 382
    .'(\'default_language\', \''.$default_language.'\'),'
379
    .'(\'app_name\', \'wb-'.$session_rand.'\'),'
383
    .'(\'app_name\', \'wb-'.(string) rand(1000, 9999).'\'),'
380 384
    .'(\'default_timezone\', \''.$default_timezone.'\'),'
381 385
    .'(\'operating_system\', \''.$operating_system.'\'),'
382 386
    .'(\'string_dir_mode\', \''.$dir_mode.'\'),'
......
427 431
class admin_dummy extends admin
428 432
{
429 433
    public $error='';
434
    // overwrite method from parent
430 435
    public function print_error($message, $link = 'index.php', $auto_footer = true)
431 436
    {
432 437
        $this->error=$message;
......
443 448
$admin = new admin_dummy('Start','',false,false);
444 449

  
445 450
// Load addons into DB
446
$dirs['modules']   = WB_PATH.'/modules/';
447
$dirs['templates'] = WB_PATH.'/templates/';
448
$dirs['languages'] = WB_PATH.'/languages/';
449 451

  
450
foreach ($dirs as $type => $dir) {
451
    if ($handle = opendir($dir)) {
452
        while (false !== ($file = readdir($handle))) {
453
            if ($file != '' AND substr($file, 0, 1) != '.' AND $file != 'admin.php' AND $file != 'index.php') {
454
                // Get addon type
455
                if ($type == 'modules') {
456
                    load_module($dir.'/'.$file, true);
457
                    // Pretty ugly hack to let modules run $admin->set_error
458
                    // See dummy class definition admin_dummy above
459
                    if ($admin->error!='') {
460
                        set_error($admin->error);
461
                    }
462
                } elseif ($type == 'templates') {
463
                    load_template($dir.'/'.$file);
464
                } elseif ($type == 'languages') {
465
                    load_language($dir.'/'.$file);
466
                }
467
            }
452
    $sOldWorkingDir = getcwd();
453
    foreach (glob(WB_PATH.'/modules/*', GLOB_ONLYDIR) as $sModule) {
454
        load_module($sModule, true);
455
        if ($admin->error!='') {
456
            set_error($admin->error);
468 457
        }
469
    closedir($handle);
470 458
    }
471
}
459
    foreach (glob(WB_PATH.'/templates/*', GLOB_ONLYDIR) as $sTemplate) {
460
        load_template($sTemplate);
461
    }
462
    foreach (glob(WB_PATH.'/languages/??.php') as $sLanguage) {
463
        load_language($sLanguage);
464
    }
465

  
472 466
// Check if there was a database error
473 467
if ($database->is_error()) {
474 468
    set_error($database->get_error());

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