diff options
Diffstat (limited to 'vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php')
-rw-r--r-- | vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php b/vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php new file mode 100644 index 000000000..ae6a09eaa --- /dev/null +++ b/vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php @@ -0,0 +1,125 @@ +<?php +/** + * This file is part of the ramsey/uuid library + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + * + * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> + * @license http://opensource.org/licenses/MIT MIT + * @link https://benramsey.com/projects/ramsey-uuid/ Documentation + * @link https://packagist.org/packages/ramsey/uuid Packagist + * @link https://github.com/ramsey/uuid GitHub + */ + +namespace Ramsey\Uuid\Provider\Node; + +use Ramsey\Uuid\Provider\NodeProviderInterface; + +/** + * SystemNodeProvider provides functionality to get the system node ID (MAC + * address) using external system calls + */ +class SystemNodeProvider implements NodeProviderInterface +{ + /** + * Returns the system node ID + * + * @return string|false System node ID as a hexadecimal string, or false if it is not found + */ + public function getNode() + { + static $node = null; + + if ($node !== null) { + return $node; + } + + $pattern = '/[^:]([0-9A-Fa-f]{2}([:-])[0-9A-Fa-f]{2}(\2[0-9A-Fa-f]{2}){4})[^:]/'; + $matches = array(); + + // first try a linux specific way + $node = $this->getSysfs(); + + // Search the ifconfig output for all MAC addresses and return + // the first one found + if ($node === false) { + if (preg_match_all($pattern, $this->getIfconfig(), $matches, PREG_PATTERN_ORDER)) { + $node = $matches[1][0]; + } + } + if ($node !== false) { + $node = str_replace([':', '-'], '', $node); + } + return $node; + } + + /** + * Returns the network interface configuration for the system + * + * @codeCoverageIgnore + * @return string + */ + protected function getIfconfig() + { + if (strpos(strtolower(ini_get('disable_functions')), 'passthru') !== false) { + return ''; + } + + ob_start(); + switch (strtoupper(substr(php_uname('a'), 0, 3))) { + case 'WIN': + passthru('ipconfig /all 2>&1'); + break; + case 'DAR': + passthru('ifconfig 2>&1'); + break; + case 'FRE': + passthru('netstat -i -f link 2>&1'); + break; + case 'LIN': + default: + passthru('netstat -ie 2>&1'); + break; + } + + return ob_get_clean(); + } + + /** + * Returns mac address from the first system interface via the sysfs interface + * + * @return string|bool + */ + protected function getSysfs() + { + $mac = false; + + if (strtoupper(php_uname('s')) === 'LINUX') { + $addressPaths = glob('/sys/class/net/*/address', GLOB_NOSORT); + + if (empty($addressPaths)) { + return false; + } + + array_walk($addressPaths, function ($addressPath) use (&$macs) { + $macs[] = file_get_contents($addressPath); + }); + + $macs = array_map('trim', $macs); + + // remove invalid entries + $macs = array_filter($macs, function ($mac) { + return + // localhost adapter + $mac !== '00:00:00:00:00:00' && + // must match mac adress + preg_match('/^([0-9a-f]{2}:){5}[0-9a-f]{2}$/i', $mac); + }); + + $mac = reset($macs); + } + + return $mac; + } +} |