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Update random_compat to latest 

Changes:
 * Checks `disable_classes` for `COM()` before using to avoid PHP Warnings
 * Uses `stream_set_chunk_size()` to avoid reading 8KiB from `/dev/urandom` unintentionally.

Merges [35922] to the 4.4 branch.

Fixes #34948.

Built from https://develop.svn.wordpress.org/branches/4.4@36058


git-svn-id: http://core.svn.wordpress.org/branches/4.4@36023 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dion Hulse 2015-12-22 03:23:24 +00:00
parent 3a748c573f
commit 60965cc4a5
3 changed files with 31 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
wp-includes/random_compat/random.php
View File

@ -90,15 +90,23 @@ if (PHP_VERSION_ID < 70000) {
extension_loaded('com_dotnet') &&
class_exists('COM')
) {
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';
$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.
}
} catch (com_exception $e) {
// Don't try to use it.
}
$RandomCompat_disabled_classes = null;
$RandomCompatCOMtest = null;
}
if (

25
wp-includes/random_compat/random_bytes_dev_urandom.php
View File

@ -62,16 +62,21 @@ function random_bytes($bytes)
$fp = false;
}
}
/**
* stream_set_read_buffer() does not exist in HHVM
*
* If we don't set the stream's read buffer to 0, PHP will
* internally buffer 8192 bytes, which can waste entropy
*
* stream_set_read_buffer returns 0 on success
*/
if (!empty($fp) && function_exists('stream_set_read_buffer')) {
stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER);
if (!empty($fp)) {
/**
* stream_set_read_buffer() does not exist in HHVM
*
* If we don't set the stream's read buffer to 0, PHP will
* internally buffer 8192 bytes, which can waste entropy
*
* stream_set_read_buffer returns 0 on success
*/
if (function_exists('stream_set_read_buffer')) {
stream_set_read_buffer($fp, RANDOM_COMPAT_READ_BUFFER);
}
if (function_exists('stream_set_chunk_size')) {
stream_set_chunk_size($fp, RANDOM_COMPAT_READ_BUFFER);
}
}
}
try {

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.4.1-alpha-36057';
$wp_version = '4.4.1-alpha-36058';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.