function SystemNodeProvider::getIfconfig

Returns the network interface configuration for the system

@codeCoverageIgnore

1 call to SystemNodeProvider::getIfconfig()

SystemNodeProvider::getNodeFromSystem in vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php

Returns the system node, if it can find it

File

vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php, line 99

Class

SystemNodeProvider

SystemNodeProvider retrieves the system node ID, if possible

Namespace

Ramsey\Uuid\Provider\Node

Code

protected function getIfconfig() : string {
    $disabledFunctions = strtolower((string) ini_get('disable_functions'));
    if (str_contains($disabledFunctions, 'passthru')) {
        return '';
    }
    
    /**
     * @psalm-suppress UnnecessaryVarAnnotation
     * @var string $phpOs
     */
    $phpOs = constant('PHP_OS');
    ob_start();
    switch (strtoupper(substr($phpOs, 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;
    }
    $ifconfig = (string) ob_get_clean();
    if (preg_match_all(self::IFCONFIG_PATTERN, $ifconfig, $matches, PREG_PATTERN_ORDER)) {
        foreach ($matches[1] as $iface) {
            if ($iface !== '00:00:00:00:00:00' && $iface !== '00-00-00-00-00-00') {
                return $iface;
            }
        }
    }
    return '';
}