[Ldap] Escape carriage returns in LDAP DNs.
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@ -99,7 +99,20 @@ class LdapClient implements LdapClientInterface
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*/
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public function escape($subject, $ignore = '', $flags = 0)
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{
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return ldap_escape($subject, $ignore, $flags);
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$value = ldap_escape($subject, $ignore, $flags);
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// Per RFC 4514, leading/trailing spaces should be encoded in DNs, as well as carriage returns.
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if ((int) $flags & LDAP_ESCAPE_DN) {
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if (!empty($value) && $value[0] === ' ') {
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$value = '\\20'.substr($value, 1);
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}
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if (!empty($value) && $value[strlen($value) - 1] === ' ') {
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$value = substr($value, 0, -1).'\\20';
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}
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$value = str_replace("\r", '\0d', $value);
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}
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return $value;
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}
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private function connect()
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28
src/Symfony/Component/Ldap/Tests/LdapClientTest.php
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28
src/Symfony/Component/Ldap/Tests/LdapClientTest.php
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@ -0,0 +1,28 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Ldap\Tests;
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use Symfony\Component\Ldap\LdapClient;
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use Symfony\Polyfill\Php56\Php56 as p;
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/**
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* @requires extension ldap
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*/
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class LdapClientTest extends \PHPUnit_Framework_TestCase
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{
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public function testLdapEscape()
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{
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$ldap = new LdapClient();
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$this->assertEquals('\20foo\3dbar\0d(baz)*\20', $ldap->escape(" foo=bar\r(baz)* ", null, p::LDAP_ESCAPE_DN));
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}
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}
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