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<?php |
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namespace Startwind\Inventorio\Collector\System\Security; |
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use Startwind\Inventorio\Collector\BasicCollector; |
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use Startwind\Inventorio\Exec\Runner; |
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use Startwind\Inventorio\Exec\System; |
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class GeneralSecurityCollector extends BasicCollector |
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{ |
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protected string $identifier = 'SystemSecurity'; |
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public function collect(): array |
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{ |
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$available = $this->isUnattendedUpgradesUsable(); |
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$enabled = false; |
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if ($available) { |
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$enabled = $this->isUnattendedUpgradesEnabled(); |
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} |
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$sshOnlyConfig = $this->checkSshKeyOnlyLogin(); |
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$result = [ |
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'unattendedUpgradesAvailable' => $available, |
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'unattendedUpgradesEnabled' => $enabled, |
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'sshKeyOnlyAvailable' => $sshOnlyConfig['supported'], |
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'sshKeyOnlyEnabled' => $sshOnlyConfig['enforced'], |
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]; |
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return $result; |
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} |
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private function isUnattendedUpgradesEnabled(): bool |
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{ |
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$configFile = '/etc/apt/apt.conf.d/20auto-upgrades'; |
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$runner = Runner::getInstance(); |
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if (!$runner->fileExists($configFile)) { |
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return false; |
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} |
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$content = $runner->getFileContents($configFile); |
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if ($content === false) { |
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return false; |
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} |
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$updateListEnabled = preg_match('/APT::Periodic::Update-Package-Lists\s+"1";/', $content); |
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$unattendedUpgradeEnabled = preg_match('/APT::Periodic::Unattended-Upgrade\s+"1";/', $content); |
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return $updateListEnabled && $unattendedUpgradeEnabled; |
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} |
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private function isUnattendedUpgradesUsable(): bool |
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{ |
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if (stripos(strtolower(System::getInstance()->getPlatform()), 'linux') === false) { |
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return false; |
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} |
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$runner = Runner::getInstance(); |
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if (!$runner->commandExists('apt')) return false; |
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return !empty($runner->run('apt-cache show unattended-upgrades 2>/dev/null')->getOutput()); |
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} |
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function checkSshKeyOnlyLogin(): array |
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{ |
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$result = ['supported' => false, 'enforced' => false]; |
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if (stripos(strtolower(System::getInstance()->getPlatform()), 'linux') === false) { |
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return $result; |
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} |
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$runner = Runner::getInstance(); |
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$configPath = '/etc/ssh/sshd_config'; |
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if (!$runner->fileExists($configPath)) { |
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return $result; |
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} |
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$result['supported'] = true; |
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$config = $runner->getFileContents($configPath); |
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if ($config === false) { |
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return $result; |
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} |
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$lines = preg_split('/\r\n|\r|\n/', $config); |
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$settings = []; |
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foreach ($lines as $line) { |
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$line = trim(preg_replace('/#.*/', '', $line)); // Kommentare entfernen |
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if ($line === '') continue; |
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if (preg_match('/^\s*(\w+)\s+(yes|no)\s*$/i', $line, $matches)) { |
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$key = strtolower($matches[1]); |
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$value = strtolower($matches[2]); |
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$settings[$key] = $value; |
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} |
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} |
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$passwordOff = isset($settings['passwordauthentication']) && $settings['passwordauthentication'] === 'no'; |
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$challengeOff = isset($settings['challengeresponseauthentication']) && $settings['challengeresponseauthentication'] === 'no'; |
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$usePamOff = isset($settings['usepam']) && $settings['usepam'] === 'no'; |
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$result['enforced'] = $passwordOff; // && $challengeOff && $usePamOff; |
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return $result; |
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} |
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} |
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startwind /
inventorio-command-line
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