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| System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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| Software | : | Apache. PHP/5.3.6-13ubuntu3.10 |
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/
http/
sdam-objekt.ru/
wp-includes/
random_compat/
- drwxr-xr-x
|
Viewing file:  random.php (5.89 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
<?php
/**
* Random_* Compatibility Library
* for using the new PHP 7 random_* API in PHP 5 projects
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Paragon Initiative Enterprises
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
if (!defined('PHP_VERSION_ID')) {
// This constant was introduced in PHP 5.2.7
$RandomCompatversion = explode('.', PHP_VERSION);
define('PHP_VERSION_ID', ($RandomCompatversion[0] * 10000 + $RandomCompatversion[1] * 100 + $RandomCompatversion[2]));
$RandomCompatversion = null;
}
if (PHP_VERSION_ID < 70000) {
if (!defined('RANDOM_COMPAT_READ_BUFFER')) {
define('RANDOM_COMPAT_READ_BUFFER', 8);
}
$RandomCompatDIR = dirname(__FILE__);
require_once $RandomCompatDIR.'/byte_safe_strings.php';
require_once $RandomCompatDIR.'/cast_to_int.php';
require_once $RandomCompatDIR.'/error_polyfill.php';
if (!function_exists('random_bytes')) {
/**
* PHP 5.2.0 - 5.6.x way to implement random_bytes()
*
* We use conditional statements here to define the function in accordance
* to the operating environment. It's a micro-optimization.
*
* In order of preference:
* 1. Use libsodium if available.
* 2. fread() /dev/urandom if available (never on Windows)
* 3. mcrypt_create_iv($bytes, MCRYPT_CREATE_IV)
* 4. COM('CAPICOM.Utilities.1')->GetRandom()
* 5. openssl_random_pseudo_bytes() (absolute last resort)
*
* See ERRATA.md for our reasoning behind this particular order
*/
if (PHP_VERSION_ID >= 50300 && extension_loaded('libsodium') && function_exists('\\Sodium\\randombytes_buf')) {
// See random_bytes_libsodium.php
require_once $RandomCompatDIR.'/random_bytes_libsodium.php';
}
if (
!function_exists('random_bytes') &&
DIRECTORY_SEPARATOR === '/' &&
@is_readable('/dev/urandom')
) {
// DIRECTORY_SEPARATOR === '/' on Unix-like OSes -- this is a fast
// way to exclude Windows.
//
// Error suppression on is_readable() in case of an open_basedir or
// safe_mode failure. All we care about is whether or not we can
// read it at this point. If the PHP environment is going to panic
// over trying to see if the file can be read in the first place,
// that is not helpful to us here.
// See random_bytes_dev_urandom.php
require_once $RandomCompatDIR.'/random_bytes_dev_urandom.php';
}
if (
!function_exists('random_bytes') &&
PHP_VERSION_ID >= 50307 &&
extension_loaded('mcrypt')
) {
// See random_bytes_mcrypt.php
require_once $RandomCompatDIR.'/random_bytes_mcrypt.php';
}
if (
!function_exists('random_bytes') &&
extension_loaded('com_dotnet') &&
class_exists('COM')
) {
$RandomCompat_disabled_classes = preg_split(
'#\s*,\s*#',
strtolower(ini_get('disable_classes'))
);
if (!in_array('com', $RandomCompat_disabled_classes)) {
try {
$RandomCompatCOMtest = new COM('CAPICOM.Utilities.1');
if (method_exists($RandomCompatCOMtest, 'GetRandom')) {
// See random_bytes_com_dotnet.php
require_once $RandomCompatDIR.'/random_bytes_com_dotnet.php';
}
} catch (com_exception $e) {
// Don't try to use it.
}
}
$RandomCompat_disabled_classes = null;
$RandomCompatCOMtest = null;
}
if (
!function_exists('random_bytes') &&
extension_loaded('openssl') &&
(
// Unix-like with PHP >= 5.3.0 or
(
DIRECTORY_SEPARATOR === '/' &&
PHP_VERSION_ID >= 50300
) ||
// Windows with PHP >= 5.4.1
PHP_VERSION_ID >= 50401
)
) {
// See random_bytes_openssl.php
require_once $RandomCompatDIR.'/random_bytes_openssl.php';
}
if (!function_exists('random_bytes')) {
/**
* We don't have any more options, so let's throw an exception right now
* and hope the developer won't let it fail silently.
*/
function random_bytes()
{
throw new Exception(
'There is no suitable CSPRNG installed on your system'
);
}
}
}
if (!function_exists('random_int')) {
require_once $RandomCompatDIR.'/random_int.php';
}
$RandomCompatDIR = null;
}
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