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<?php |
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/** |
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* @copyright Copyright (c) 2018 Robin Appelman <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace Icewind\SMB; |
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/** |
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* Use existing kerberos ticket to authenticate |
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*/ |
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class KerberosAuth implements IAuth { |
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private $ticketPath = ""; |
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//not working with nextcloud |
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private $saveTicketInMemory = false; |
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public function __construct() { |
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$this->registerApacheKerberosTicket(); |
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} |
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public function getUsername() { |
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return 'dummy'; |
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} |
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public function getWorkgroup() { |
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return 'dummy'; |
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} |
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public function getPassword() { |
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return null; |
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} |
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public function getExtraCommandLineArguments() { |
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return '-k'; |
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} |
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public function setExtraSmbClientOptions($smbClientState) { |
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smbclient_option_set($smbClientState, SMBCLIENT_OPT_USE_KERBEROS, true); |
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smbclient_option_set($smbClientState, SMBCLIENT_OPT_FALLBACK_AFTER_KERBEROS, false); |
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} |
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private function registerApacheKerberosTicket() { |
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// inspired by https://git.typo3.org/TYPO3CMS/Extensions/fal_cifs.git |
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if (!extension_loaded("krb5")) { |
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return; |
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} |
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//read apache kerberos ticket cache |
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$cacheFile = getenv("KRB5CCNAME"); |
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if(!$cacheFile) { |
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return; |
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} |
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$krb5 = new \KRB5CCache(); |
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$krb5->open($cacheFile); |
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if(!$krb5->isValid()) { |
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return; |
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} |
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if($this->saveTicketInMemory) { |
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putenv("KRB5CCNAME=" . $krb5->getName()); |
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} |
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else { |
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//workaround: smbclient is not working with the original apache ticket cache. |
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$tmpFilename = tempnam("/tmp", "krb5cc_php_"); |
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$tmpCacheFile = "FILE:" . $tmpFilename; |
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$krb5->save($tmpCacheFile); |
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$this->ticketPath = $tmpFilename; |
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putenv("KRB5CCNAME=" . $tmpCacheFile); |
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} |
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} |
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public function __destruct() { |
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if(!empty($this->ticketPath) && file_exists($this->ticketPath) && is_file($this->ticketPath)) { |
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unlink($this->ticketPath); |
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} |
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} |
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} |
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icewind1991 /
SMB
