762 lines
27 KiB
PHP
762 lines
27 KiB
PHP
<?php
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namespace App\Livewire\Ui\Security;
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use Livewire\Attributes\On;
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use Livewire\Component;
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class Fail2BanCard extends Component
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{
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public bool $available = true;
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public bool $permDenied = false;
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public int $activeBans = 0;
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public array $jails = [];
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public function mount(): void
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{
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$this->load();
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}
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public function render()
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{
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return view('livewire.ui.security.fail2-ban-card');
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}
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#[On('f2b:refresh-banlist')]
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public function refresh(): void
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{
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$this->load(true);
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}
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public function openDetails(string $jail): void
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{
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// KORREKTER DISPATCH für wire-elements/modal
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$this->dispatch('openModal', 'ui.security.modal.fail2-ban-jail-modal', ['jail' => $jail]);
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}
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/* ------------------- intern ------------------- */
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// protected function load(bool $force = false): void
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// {
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// $bin = trim((string)@shell_exec('command -v fail2ban-client 2>/dev/null')) ?: '';
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// if ($bin === '') {
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// $this->available = false;
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// $this->permDenied = false;
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// $this->activeBans = 0;
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// $this->jails = [];
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// return;
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// }
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//
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// [$ok, $raw] = $this->f2b('ping');
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// if (!$ok && stripos($raw, 'permission denied') !== false) {
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// $this->available = true;
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// $this->permDenied = true;
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// $this->activeBans = 0;
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// $this->jails = [];
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// return;
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// }
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//
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// [, $status] = $this->f2b('status');
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// $jailsLn = $this->firstMatch('/Jail list:\s*(.+)$/mi', $status);
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// $jails = $jailsLn ? array_filter(array_map('trim', preg_split('/\s*,\s*/', $jailsLn))) : [];
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//
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// $rows = [];
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// $sum = 0;
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// foreach ($jails as $j) {
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// [, $s] = $this->f2b('status '.escapeshellarg($j));
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// $bantime = $this->getBantime($j);
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// $ipList = $this->firstMatch('/Banned IP list:\s*(.+)$/mi', $s) ?: '';
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// $ips = $ipList !== '' ? array_values(array_filter(array_map('trim', preg_split('/\s+/', $ipList)))) : [];
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//
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// $ipDetails = $this->buildIpDetails($j, $ips, $bantime);
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//
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// [, $s] = $this->f2b('status ' . escapeshellarg($j));
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// $banned = (int)($this->firstMatch('/Currently banned:\s+(\d+)/i', $s) ?: 0);
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// $bantime = $this->getBantime($j);
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// $rows[] = ['name' => $j, 'banned' => $banned, 'bantime' => $bantime];
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// $sum += $banned;
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// }
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//
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// $this->available = true;
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// $this->permDenied = false;
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// $this->activeBans = $sum;
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// $this->jails = $rows;
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// }
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protected function load(bool $force = false): void
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{
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$bin = trim((string)@shell_exec('command -v fail2ban-client 2>/dev/null')) ?: '';
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if ($bin === '') {
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$this->available = false;
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$this->permDenied = false;
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$this->activeBans = 0;
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$this->jails = [];
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return;
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}
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// Rechte prüfen
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[$ok, $raw] = $this->f2b('ping');
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if (!$ok && stripos($raw, 'permission denied') !== false) {
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$this->available = true;
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$this->permDenied = true;
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$this->activeBans = 0;
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$this->jails = [];
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return;
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}
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// Jail-Liste
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[, $status] = $this->f2b('status');
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$jailsLn = $this->firstMatch('/Jail list:\s*(.+)$/mi', $status);
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$jails = $jailsLn ? array_filter(array_map('trim', preg_split('/\s*,\s*/', $jailsLn))) : [];
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$rows = [];
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$sum = 0;
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foreach ($jails as $j) {
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$jEsc = escapeshellarg($j);
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[, $s] = $this->f2b("status {$jEsc}");
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$banned = (int)($this->firstMatch('/Currently banned:\s+(\d+)/i', $s) ?: 0);
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$bantime = $this->getBantime($j);
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$ipListLine = $this->firstMatch('/Banned IP list:\s*(.+)$/mi', $s) ?: '';
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$ips = $ipListLine !== '' ? array_values(array_filter(array_map('trim', preg_split('/\s+/', $ipListLine)))) : [];
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// Details inkl. Restzeit je IP
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$ipDetails = $this->buildIpDetails($j, $ips, $bantime);
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$rows[] = [
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'name' => $j,
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'banned' => $banned,
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'bantime' => $bantime, // Sek. (-1 = permanent)
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'ips' => $ipDetails, // [['ip'=>..., 'remaining'=>..., 'until'=>...], ...]
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];
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$sum += $banned;
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}
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$this->available = true;
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$this->permDenied = false;
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$this->activeBans = $sum;
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$this->jails = $rows;
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}
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// private function f2b(string $args): array
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// {
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// $sudo = '/usr/bin/sudo';
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// $f2b = '/usr/bin/fail2ban-client';
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// $out = (string)@shell_exec("timeout 2 $sudo -n $f2b $args 2>&1");
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// $ok = str_contains($out, 'Status') || str_contains($out, 'Jail list') || str_contains($out, 'pong');
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// return [$ok, $out];
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// }
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private function f2b(string $args): array
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{
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$sudo = '/usr/bin/sudo';
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$f2b = '/usr/bin/fail2ban-client';
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$cmd = "timeout 3 $sudo -n $f2b $args 2>&1";
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$out = (string)@shell_exec($cmd);
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$ok = stripos($out, 'Status') !== false
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|| stripos($out, 'Jail list') !== false
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|| stripos($out, 'pong') !== false;
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return [$ok, $out];
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}
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/** konfig. Bantime des Jails in Sekunden (-1 = permanent) */
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private function getBantime(string $jail): int
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{
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[, $out] = $this->f2b('get '.escapeshellarg($jail).' bantime');
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$val = trim($out);
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if (preg_match('/-?\d+/', $val, $m)) return (int)$m[0];
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return 600; // konservativer Fallback
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}
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// private function getBantime(string $jail): int
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// {
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// [, $out] = $this->f2b('get ' . escapeshellarg($jail) . ' bantime');
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// $val = trim($out);
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// if (preg_match('/-?\d+/', $val, $m)) return (int)$m[0];
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// return 600;
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// }
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/** Letzten Ban-Zeitpunkt (Unix-Timestamp) aus /var/log/fail2ban.log ermitteln. */
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private function lastBanTimestamp(string $jail, string $ip): ?int
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{
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$file = '/var/log/fail2ban.log';
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if (!is_readable($file)) return null;
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// nur das Ende der Datei lesen (Performance, auch bei Rotation groß genug wählen)
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$tailBytes = 400000; // 400 KB
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$size = @filesize($file) ?: 0;
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$seek = max(0, $size - $tailBytes);
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$fh = @fopen($file, 'rb');
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if (!$fh) return null;
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if ($seek > 0) fseek($fh, $seek);
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$data = stream_get_contents($fh) ?: '';
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fclose($fh);
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// Beispielzeile:
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// 2025-10-30 22:34:20,797 fail2ban.actions [...] NOTICE [sshd] Ban 193.46.255.244
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$j = preg_quote($jail, '/');
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$p = preg_quote($ip, '/');
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$pattern = '/^(\d{4}-\d{2}-\d{2})\s+(\d{2}:\d{2}:\d{2}),\d+.*\['.$j.'\]\s+Ban\s+'.$p.'\s*$/m';
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if (preg_match_all($pattern, $data, $m) && !empty($m[1])) {
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$date = end($m[1]); // YYYY-MM-DD
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$time = end($m[2]); // HH:MM:SS
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$dt = \DateTime::createFromFormat('Y-m-d H:i:s', "$date $time", new \DateTimeZone(date_default_timezone_get()));
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return $dt ? $dt->getTimestamp() : null;
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}
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return null;
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}
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/** Baut Details inkl. Restzeit (Sekunden; -1 = permanent). */
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private function buildIpDetails(string $jail, array $ips, int $bantime): array
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{
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$now = time();
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$out = [];
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foreach ($ips as $ip) {
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$banAt = $this->lastBanTimestamp($jail, $ip);
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$remaining = null;
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$until = null;
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if ($bantime === -1) {
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$remaining = -1; // permanent
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} elseif ($banAt !== null) {
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$remaining = max(0, $bantime - ($now - $banAt));
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$until = $remaining > 0 ? ($banAt + $bantime) : null;
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}
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$out[] = [
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'ip' => $ip,
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'remaining' => $remaining, // -1 = permanent, null = Ban-Zeitpunkt nicht gefunden, >=0 = Sekunden
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'until' => $until, // Unix-Timestamp oder null
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];
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}
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return $out;
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}
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private function firstMatch(string $pattern, string $haystack): ?string
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{
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return preg_match($pattern, $haystack, $m) ? trim($m[1]) : null;
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}
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// private function firstMatch(string $pattern, string $haystack): ?string
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// {
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// return preg_match($pattern, $haystack, $m) ? trim($m[1]) : null;
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// }
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}
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//namespace App\Livewire\Ui\Security;
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//
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//use Livewire\Component;
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//
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//class Fail2BanCard extends Component
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//{
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// public bool $available = true; // fail2ban-client vorhanden?
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// public bool $permDenied = false; // Socket/Root-Rechte fehlen?
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// public int $activeBans = 0; // Summe gebannter IPs
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// /** @var array<int,array{name:string,banned:int,bantime:int}> */
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// public array $jails = [];
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//
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// public function mount(): void
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// {
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// $this->load();
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// }
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//
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// public function render()
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// {
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// return view('livewire.ui.security.fail2-ban-card');
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// }
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//
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// public function refresh(): void
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// {
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// $this->load(true);
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// }
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//
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// // Optional: öffnet später dein Detail-Modal/Tab
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// public function openDetails(string $jail): void
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// {
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// $this->dispatch('openModal', 'ui.security.modal.fail2-ban-jail-modal', ['jail' => $jail]);
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// }
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// /* ---------------- intern ---------------- */
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//
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// protected function load(bool $force = false): void
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// {
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// $bin = trim((string)@shell_exec('command -v fail2ban-client 2>/dev/null')) ?: '';
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// if ($bin === '') {
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// $this->available = false;
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// $this->permDenied = false;
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// $this->activeBans = 0;
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// $this->jails = [];
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// return;
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// }
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//
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// // Rechtecheck
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// [$ok, $raw] = $this->f2b('ping');
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// if (!$ok && stripos($raw, 'permission denied') !== false) {
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// $this->available = true;
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// $this->permDenied = true;
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// $this->activeBans = 0;
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// $this->jails = [];
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// return;
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// }
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//
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// // Jails laden
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// [, $status] = $this->f2b('status');
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// $jailsLn = $this->firstMatch('/Jail list:\s*(.+)$/mi', $status);
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// $jails = $jailsLn ? array_filter(array_map('trim', preg_split('/\s*,\s*/', $jailsLn))) : [];
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//
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// $rows = [];
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// $sum = 0;
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//
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// foreach ($jails as $j) {
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// [, $s] = $this->f2b('status ' . escapeshellarg($j));
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// $banned = (int)($this->firstMatch('/Currently banned:\s+(\d+)/i', $s) ?: 0);
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// $bantime = $this->getBantime($j); // Sek.; -1 = permanent
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// $rows[] = ['name' => $j, 'banned' => $banned, 'bantime' => $bantime];
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// $sum += $banned;
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// }
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//
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// $this->available = true;
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// $this->permDenied = false;
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// $this->activeBans = $sum;
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// $this->jails = $rows;
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// }
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//
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// /** sudo + fail2ban-client ausführen; [ok, output] */
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// private function f2b(string $args): array
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// {
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// $sudo = '/usr/bin/sudo';
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// $f2b = '/usr/bin/fail2ban-client';
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// $out = (string)@shell_exec("timeout 2 $sudo -n $f2b $args 2>&1");
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// $ok = stripos($out, 'Status') !== false
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// || stripos($out, 'Jail list') !== false
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// || stripos($out, 'pong') !== false;
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// return [$ok, $out];
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// }
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//
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// private function getBantime(string $jail): int
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// {
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// [, $out] = $this->f2b('get ' . escapeshellarg($jail) . ' bantime');
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// $val = trim($out);
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// if (preg_match('/-?\d+/', $val, $m)) return (int)$m[0];
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// return 600; // defensiver Default
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// }
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//
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// private function firstMatch(string $pattern, string $haystack): ?string
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// {
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// return preg_match($pattern, $haystack, $m) ? trim($m[1]) : null;
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// }
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//}
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//namespace App\Livewire\Ui\Security;
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//
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//use Livewire\Component;
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//
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//class Fail2BanCard extends Component
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//{
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// public bool $available = true; // fail2ban-client vorhanden?
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// public bool $permDenied = false; // Socket/Root-Rechte fehlen?
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// public int $activeBans = 0; // Summe gebannter IPs über alle Jails
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// public array $jails = []; // [['name','banned','bantime','ips'=>[['ip','remaining','until'],...]],...]
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// public array $topIps = []; // [['ip'=>'x.x.x.x','count'=>N], ...]
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//
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// public function mount(): void
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// {
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// $this->load();
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// }
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//
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// public function render()
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// {
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// return view('livewire.ui.security.fail2-ban-card');
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// }
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//
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// /** Button „Neu prüfen“ */
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// public function refresh(): void
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// {
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// $this->load(true);
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// }
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//
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// /* --------------------- intern --------------------- */
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//
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// protected function load(bool $force = false): void
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// {
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// // existiert fail2ban-client?
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// $bin = trim((string)@shell_exec('command -v fail2ban-client 2>/dev/null')) ?: '';
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// if ($bin === '') {
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// $this->available = false;
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// $this->permDenied = false;
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// $this->activeBans = 0;
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// $this->jails = [];
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// $this->topIps = [];
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// return;
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// }
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//
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// // ping → prüft zugleich Rechte (bei Permission-Fehler kommt Klartext)
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// [$ok, $raw] = $this->f2b('ping'); // ok == "pong" erkannt
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// if (!$ok && stripos($raw, 'permission denied') !== false) {
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// $this->available = true;
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// $this->permDenied = true;
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// $this->activeBans = 0;
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// $this->jails = [];
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// $this->topIps = $this->collectTopIps();
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// return;
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// }
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//
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// // Jails auflisten
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// [, $status] = $this->f2b('status');
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// $jailsLn = $this->firstMatch('/Jail list:\s*(.+)$/mi', $status);
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// $jails = $jailsLn ? array_filter(array_map('trim', preg_split('/\s*,\s*/', $jailsLn))) : [];
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//
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// $total = 0;
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// $rows = [];
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//
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// foreach ($jails as $j) {
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// $bantimeSecs = $this->getBantime($j); // Sek., -1 = permanent
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//
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// [, $s] = $this->f2b('status ' . escapeshellarg($j));
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// $banned = (int)($this->firstMatch('/Currently banned:\s+(\d+)/i', $s) ?: 0);
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// $ipList = $this->firstMatch('/Banned IP list:\s*(.+)$/mi', $s) ?: '';
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// $ips = $ipList !== '' ? array_values(array_filter(array_map('trim', preg_split('/\s+/', $ipList)))) : [];
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//
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// // Restzeiten je IP bestimmen (aus /var/log/fail2ban.log)
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// $ipDetails = [];
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// foreach (array_slice($ips, 0, 50) as $ip) {
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// $banAt = $this->lastBanTimestamp($j, $ip); // Unix-Timestamp oder null
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// $remaining = null;
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// $until = null;
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//
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// if ($banAt !== null) {
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// if ((int)$bantimeSecs === -1) {
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// $remaining = -1; // permanent
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// } else {
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// $remaining = max(0, $bantimeSecs - (time() - $banAt));
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// $until = $remaining > 0 ? ($banAt + $bantimeSecs) : null;
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// }
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// }
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//
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// $ipDetails[] = [
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// 'ip' => $ip,
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// 'remaining' => $remaining, // -1 = permanent, 0 = abgelaufen, >0 Sek.
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// 'until' => $until, // Unix-Timestamp oder null
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// ];
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// }
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//
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// $rows[] = [
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// 'name' => $j,
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// 'banned' => $banned,
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// 'ips' => $ipDetails,
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// 'bantime' => (int)$bantimeSecs,
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// ];
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// $total += $banned;
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// }
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//
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// $this->available = true;
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// $this->permDenied = false;
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// $this->activeBans = $total;
|
|
// $this->jails = $rows;
|
|
// $this->topIps = $this->collectTopIps();
|
|
// }
|
|
//
|
|
// /** führt fail2ban-client via sudo aus; gibt [ok, output] zurück */
|
|
// private function f2b(string $args): array
|
|
// {
|
|
// $sudo = '/usr/bin/sudo';
|
|
// $f2b = '/usr/bin/fail2ban-client';
|
|
// $cmd = "timeout 2 $sudo -n $f2b $args 2>&1";
|
|
// $out = (string)@shell_exec($cmd);
|
|
//
|
|
// $ok = stripos($out, 'Status') !== false
|
|
// || stripos($out, 'Jail list') !== false
|
|
// || stripos($out, 'pong') !== false;
|
|
//
|
|
// return [$ok, $out];
|
|
// }
|
|
//
|
|
// private function getBantime(string $jail): int
|
|
// {
|
|
// [, $out] = $this->f2b('get ' . escapeshellarg($jail) . ' bantime');
|
|
// $val = trim($out);
|
|
// if (preg_match('/-?\d+/', $val, $m)) {
|
|
// return (int)$m[0];
|
|
// }
|
|
// return 600; // defensiver Default
|
|
// }
|
|
//
|
|
// /** letzte Ban-Zeile aus /var/log/fail2ban.log → Unix-Timestamp */
|
|
// private function lastBanTimestamp(string $jail, string $ip): ?int
|
|
// {
|
|
// $cmd = "grep -F \"[{$jail}] Ban {$ip}\" /var/log/fail2ban.log 2>/dev/null | tail -n 1";
|
|
// $line = trim((string)@shell_exec($cmd));
|
|
// if ($line === '') return null;
|
|
//
|
|
// // "YYYY-MM-DD HH:MM:SS,mmm ..."
|
|
// if (preg_match('/^(\d{4}-\d{2}-\d{2})\s+(\d{2}:\d{2}:\d{2})/', $line, $m)) {
|
|
// $ts = strtotime($m[1] . ' ' . $m[2]);
|
|
// return $ts ?: null;
|
|
// }
|
|
// return null;
|
|
// }
|
|
//
|
|
// private function firstMatch(string $pattern, string $haystack): ?string
|
|
// {
|
|
// return preg_match($pattern, $haystack, $m) ? trim($m[1]) : null;
|
|
// }
|
|
//
|
|
// /** Top-IPs grob zählen (aus der aktuellen Jail-Liste; Fallback: Log) */
|
|
// private function collectTopIps(): array
|
|
// {
|
|
// $map = [];
|
|
// foreach ($this->jails as $jail) {
|
|
// foreach ($jail['ips'] as $row) {
|
|
// $ip = $row['ip'] ?? null;
|
|
// if (!$ip) continue;
|
|
// $map[$ip] = ($map[$ip] ?? 0) + 1;
|
|
// }
|
|
// }
|
|
//
|
|
// if (!empty($map)) {
|
|
// arsort($map);
|
|
// $out = [];
|
|
// foreach (array_slice($map, 0, 5, true) as $ip => $count) {
|
|
// $out[] = ['ip' => $ip, 'count' => $count];
|
|
// }
|
|
// return $out;
|
|
// }
|
|
//
|
|
// // Fallback: aus fail2ban.log
|
|
// $cmd = 'grep -Eo "([0-9]{1,3}\.){3}[0-9]{1,3}" /var/log/fail2ban.log 2>/dev/null'
|
|
// . ' | sort | uniq -c | sort -nr | head -5';
|
|
// $log = (string)@shell_exec($cmd);
|
|
// $rows = [];
|
|
// if ($log !== '') {
|
|
// foreach (preg_split('/\R+/', trim($log)) as $l) {
|
|
// if (preg_match('/^\s*(\d+)\s+(\d+\.\d+\.\d+\.\d+)/', $l, $m)) {
|
|
// $rows[] = ['ip' => $m[2], 'count' => (int)$m[1]];
|
|
// }
|
|
// }
|
|
// }
|
|
// return $rows;
|
|
// }
|
|
//}
|
|
|
|
//
|
|
//namespace App\Livewire\Ui\Security;
|
|
//
|
|
//use Livewire\Component;
|
|
//
|
|
//class Fail2BanCard extends Component
|
|
//{
|
|
// public bool $available = true; // fail2ban-client vorhanden?
|
|
// public bool $permDenied = false; // Socket/Root-Rechte fehlen?
|
|
// public int $activeBans = 0; // Summe gebannter IPs über alle Jails
|
|
// public array $jails = []; // [['name'=>'sshd','banned'=>2,'ips'=>['1.2.3.4',...]], ...]
|
|
// public array $topIps = []; // [['ip'=>'x.x.x.x','count'=>N], ...]
|
|
//
|
|
// public function mount(): void
|
|
// {
|
|
// $this->load();
|
|
// }
|
|
//
|
|
// public function render()
|
|
// {
|
|
// return view('livewire.ui.security.fail2-ban-card');
|
|
// }
|
|
//
|
|
// // Wird vom Button "Neu prüfen" genutzt
|
|
// public function refresh(): void
|
|
// {
|
|
// $this->load(true);
|
|
// }
|
|
//
|
|
// /* --------------------- intern --------------------- */
|
|
//
|
|
// protected function load(bool $force = false): void
|
|
// {
|
|
// // existiert fail2ban-client?
|
|
// $bin = trim((string) @shell_exec('command -v fail2ban-client 2>/dev/null')) ?: '';
|
|
// if ($bin === '') {
|
|
// $this->available = false;
|
|
// $this->permDenied = false;
|
|
// $this->activeBans = 0;
|
|
// $this->jails = [];
|
|
// $this->topIps = [];
|
|
// return;
|
|
// }
|
|
//
|
|
// // ping → prüft zugleich Rechte (bei Permission-Fehler kommt Klartext)
|
|
// [$ok, $raw] = $this->f2b('ping'); // ok == "pong" erkannt
|
|
// if (!$ok && stripos($raw, 'permission denied') !== false) {
|
|
// $this->available = true;
|
|
// $this->permDenied = true;
|
|
// $this->activeBans = 0;
|
|
// $this->jails = [];
|
|
// $this->topIps = $this->collectTopIps();
|
|
// return;
|
|
// }
|
|
//
|
|
// // Jails auflisten
|
|
// [, $status] = $this->f2b('status');
|
|
// $jailsLn = $this->firstMatch('/Jail list:\s*(.+)$/mi', $status);
|
|
// $jails = $jailsLn ? array_filter(array_map('trim', preg_split('/\s*,\s*/', $jailsLn))) : [];
|
|
//
|
|
// $total = 0; $rows = [];
|
|
//// ... in load() NACH dem Einlesen der Jail-Liste:
|
|
// $rows = [];
|
|
// foreach ($jails as $j) {
|
|
// $bantimeSecs = $this->getBantime($j); // konfigurierter Wert (Sekunden, -1 = permanent)
|
|
//
|
|
// [, $s] = $this->f2b('status '.escapeshellarg($j));
|
|
// $banned = (int)($this->firstMatch('/Currently banned:\s+(\d+)/i', $s) ?: 0);
|
|
// $ipList = $this->firstMatch('/Banned IP list:\s*(.+)$/mi', $s) ?: '';
|
|
// $ips = $ipList !== '' ? array_values(array_filter(array_map('trim', preg_split('/\s+/', $ipList)))) : [];
|
|
//
|
|
// // Restzeiten je IP bestimmen (aus /var/log/fail2ban.log)
|
|
// $ipDetails = [];
|
|
// foreach (array_slice($ips, 0, 50) as $ip) {
|
|
// $banAt = $this->lastBanTimestamp($j, $ip); // Unix-Timestamp oder null
|
|
// $remaining = null;
|
|
// $until = null;
|
|
//
|
|
// if ($banAt !== null) {
|
|
// if ((int)$bantimeSecs === -1) {
|
|
// $remaining = -1; // permanent
|
|
// } else {
|
|
// $remaining = max(0, $bantimeSecs - (time() - $banAt));
|
|
// $until = $remaining > 0 ? ($banAt + $bantimeSecs) : null;
|
|
// }
|
|
// }
|
|
//
|
|
// $ipDetails[] = [
|
|
// 'ip' => $ip,
|
|
// 'remaining' => $remaining, // -1 = permanent, 0 = abgelaufen, >0 Sek.
|
|
// 'until' => $until, // Unix-Timestamp oder null
|
|
// ];
|
|
// }
|
|
//
|
|
// $rows[] = [
|
|
// 'name' => $j,
|
|
// 'banned' => $banned,
|
|
// 'ips' => $ipDetails, // jetzt mit Details
|
|
// 'bantime' => (int)$bantimeSecs,
|
|
// ];
|
|
// $total += $banned;
|
|
// }
|
|
//
|
|
// // foreach ($jails as $j) {
|
|
//// [, $s] = $this->f2b('status '.escapeshellarg($j));
|
|
//// $banned = (int) ($this->firstMatch('/Currently banned:\s+(\d+)/i', $s) ?: 0);
|
|
//// $ipList = $this->firstMatch('/Banned IP list:\s*(.+)$/mi', $s) ?: '';
|
|
//// $ips = $ipList !== '' ? array_values(array_filter(array_map('trim', preg_split('/\s+/', $ipList)))) : [];
|
|
//// $rows[] = ['name'=>$j,'banned'=>$banned,'ips'=>array_slice($ips, 0, 8)];
|
|
//// $total += $banned;
|
|
//// }
|
|
//
|
|
//
|
|
//
|
|
// $this->available = true;
|
|
// $this->permDenied = false;
|
|
// $this->activeBans = $total;
|
|
// $this->jails = $rows;
|
|
// $this->topIps = $this->collectTopIps();
|
|
// }
|
|
//
|
|
// /** führt fail2ban-client via sudo aus; gibt [ok, output] zurück */
|
|
// private function f2b(string $args): array
|
|
// {
|
|
// $sudo = '/usr/bin/sudo';
|
|
// $f2b = '/usr/bin/fail2ban-client';
|
|
// $cmd = "timeout 2 $sudo -n $f2b $args 2>&1";
|
|
// $out = (string) @shell_exec($cmd);
|
|
//
|
|
// $ok = stripos($out, 'Status') !== false
|
|
// || stripos($out, 'Jail list') !== false
|
|
// || stripos($out, 'pong') !== false;
|
|
//
|
|
// return [$ok, $out];
|
|
// }
|
|
//
|
|
// private function getBantime(string $jail): int
|
|
// {
|
|
// [, $out] = $this->f2b('get '.escapeshellarg($jail).' bantime');
|
|
// // fail2ban liefert Seconds als Zahl (oder mit Newline)
|
|
// $val = trim($out);
|
|
// // Fallback: manche Versionen geben nur Zahl ohne Kontext zurück,
|
|
// // sonst aus jail.local ermitteln wäre overkill -> einfache Zahl extrahieren:
|
|
// if (preg_match('/-?\d+/', $val, $m)) {
|
|
// return (int)$m[0];
|
|
// }
|
|
// // wenn nicht ermittelbar: 600 Sekunden als conservative default
|
|
// return 600;
|
|
// }
|
|
//
|
|
// /** Sucht die letzte "Ban <IP>"-Zeile für Jail in /var/log/fail2ban.log und gibt Unix-Timestamp zurück. */
|
|
// private function lastBanTimestamp(string $jail, string $ip): ?int
|
|
// {
|
|
// // Beispiel-Logzeilen:
|
|
// // 2025-10-29 18:07:11,436 fail2ban.actions [12345]: NOTICE [sshd] Ban 1.2.3.4
|
|
// // Wir holen die letzte passende Zeile (tail mit grep), dann parsen Datum.
|
|
// $pattern = escapeshellarg(sprintf('\\[%s\\] Ban %s', $jail, $ip));
|
|
// $cmd = "grep -F \"[{$jail}] Ban {$ip}\" /var/log/fail2ban.log 2>/dev/null | tail -n 1";
|
|
// $line = (string)@shell_exec($cmd);
|
|
// $line = trim($line);
|
|
// if ($line === '') {
|
|
// return null;
|
|
// }
|
|
// // Datumsformat am Anfang: "YYYY-MM-DD HH:MM:SS,mmm"
|
|
// if (preg_match('/^(\d{4}-\d{2}-\d{2})\s+(\d{2}:\d{2}:\d{2})/', $line, $m)) {
|
|
// $ts = strtotime($m[1].' '.$m[2]);
|
|
// return $ts ?: null;
|
|
// }
|
|
// return null;
|
|
// }
|
|
//
|
|
// private function firstMatch(string $pattern, string $haystack): ?string
|
|
// {
|
|
// return preg_match($pattern, $haystack, $m) ? trim($m[1]) : null;
|
|
// }
|
|
//
|
|
// /** Zählt die häufigsten IPs aus den letzten Fail2Ban-Logs (ban/unban Events) */
|
|
// private function collectTopIps(): array
|
|
// {
|
|
// // 1. Versuch: IPs direkt aus den Jails
|
|
// $rows = [];
|
|
// foreach ($this->jails as $jail) {
|
|
// foreach ($jail['ips'] as $ip) {
|
|
// $rows[$ip] = ($rows[$ip] ?? 0) + 1;
|
|
// }
|
|
// }
|
|
//
|
|
// if (!empty($rows)) {
|
|
// arsort($rows);
|
|
// return collect($rows)
|
|
// ->map(fn($count, $ip) => ['ip' => $ip, 'count' => $count])
|
|
// ->values()
|
|
// ->take(5)
|
|
// ->toArray();
|
|
// }
|
|
//
|
|
// // 2. Fallback: Falls keine Jails/IPs → Logdatei
|
|
// $cmd = 'grep -Eo "([0-9]{1,3}\.){3}[0-9]{1,3}" /var/log/fail2ban.log 2>/dev/null'
|
|
// . ' | sort | uniq -c | sort -nr | head -5';
|
|
// $log = (string) @shell_exec($cmd);
|
|
//
|
|
// $rows = [];
|
|
// if ($log !== '') {
|
|
// foreach (preg_split('/\R+/', trim($log)) as $l) {
|
|
// if (preg_match('/^\s*(\d+)\s+(\d+\.\d+\.\d+\.\d+)/', $l, $m)) {
|
|
// $rows[] = ['ip'=>$m[2],'count'=>(int)$m[1]];
|
|
// }
|
|
// }
|
|
// }
|
|
// return $rows;
|
|
// }
|
|
//}
|