{
"event": "PreToolUse",
"tool_name": "Bash",
"tool_input": {
"command": "ssh root@prod.karlkratz.com \"sed -n '250,320p' \/var\/www\/prod.karlkratz.de\/src\/Services\/BotDetectionService.php\" 2>&1",
"timeout": 15000,
"description": "Read DNS verification logic"
}
}
{
"tool_response": {
"stdout": " private function verifySearchEngineDNS(string $ip, string $pattern): bool\n {\n \/\/ Only verify patterns that have DNS domains configured\n if (!isset(self::DNS_VERIFY_DOMAINS[$pattern])) {\n return true; \/\/ No DNS verification required for this pattern\n }\n\n \/\/ Perform DNS verification\n $verified = $this->performDNSVerification($ip, $pattern);\n\n \/\/ Log verification result\n $status = $verified ? 'PASS' : 'FAIL';\n SystemLogger::info('security', 'BotDetectionService', \"DNS verification {$status}: IP={$ip}, Pattern={$pattern}\");\n\n return $verified;\n }\n\n \/**\n * Perform actual DNS verification (reverse + forward lookup)\n *\/\n private function performDNSVerification(string $ip, string $pattern): bool\n {\n $validDomains = self::DNS_VERIFY_DOMAINS[$pattern] ?? [];\n if (empty($validDomains)) {\n return true;\n }\n\n \/\/ Step 1: Reverse DNS lookup\n $hostname = @gethostbyaddr($ip);\n if ($hostname === false || $hostname === $ip) {\n return false; \/\/ No reverse DNS record\n }\n\n \/\/ Step 2: Check if hostname ends with a valid domain\n $domainMatch = false;\n foreach ($validDomains as $domain) {\n if (str_ends_with($hostname, '.' . $domain) || $hostname === $domain) {\n $domainMatch = true;\n break;\n }\n }\n if (!$domainMatch) {\n return false;\n }\n\n \/\/ Step 3: Forward DNS verification (hostname → IP)\n $forwardIp = @gethostbyname($hostname);\n if ($forwardIp === $hostname) {\n return false; \/\/ Forward lookup failed\n }\n\n \/\/ Step 4: Verify IP matches\n return $forwardIp === $ip;\n }\n\n \/**\n * Blacklist-Prüfung\n *\/\n private function isBlacklisted(string $ip, string $userAgent): bool\n {\n $blacklist = $this->config['blacklist'];\n \n \/\/ Exakte User-Agent Matches\n if (in_array($userAgent, $blacklist['exact_user_agents'] ?? [])) {\n return true;\n }\n \n \/\/ Einzelne User-Agent Keywords\n foreach ($blacklist['user_agents'] ?? [] as $botAgent) {\n if (stripos($userAgent, $botAgent) !== false) {\n return true;",
"stderr": "",
"interrupted": false,
"isImage": false,
"noOutputExpected": false
}
}