parent
e833033074
commit
beb2f863a3
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@ -88,41 +88,110 @@ class Fail2BanJailModal extends ModalComponent
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$this->rows = $rows;
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}
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/** Darstellung ableiten (Farbcode + Texte) */
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/** letzte "Ban <IP>"-Zeile -> Unix-Timestamp (robust über zgrep/journal/jail-tail) */
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private function lastBanTimestamp(string $jail, string $ip): ?int
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{
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// 1) zgrep über alle Logfiles (inkl. Rotation .N und .gz)
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$j = escapeshellarg($jail);
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$p = escapeshellarg($ip);
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$cmd = "zgrep -h \"[${jail}] Ban ${ip}\" /var/log/fail2ban.log* 2>/dev/null | tail -n 1";
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$line = trim((string) @shell_exec($cmd));
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// 2) Fallback: journald der letzten 14 Tage
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if ($line === '') {
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$cmdJ = "journalctl -u fail2ban --since '14 days ago' 2>/dev/null | grep -F \"[{$jail}] Ban {$ip}\" | tail -n 1";
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$line = trim((string) @shell_exec($cmdJ));
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}
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// 3) Fallback: PHP-Tail nur aktuelles file
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if ($line === '') {
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$file = '/var/log/fail2ban.log';
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if (!is_readable($file)) return null;
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$tailBytes = 400000;
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$size = @filesize($file) ?: 0;
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$seek = max(0, $size - $tailBytes);
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$fh = @fopen($file, 'rb'); if (!$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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if (preg_match('/^.*\['.preg_quote($jail,'/').'\]\s+Ban\s+'.preg_quote($ip,'/').'.*$/m', $data, $m)) {
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$line = trim($m[0]);
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}
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}
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if ($line === '') return null;
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// Zeitstempel irgendwo in der Zeile (ISO-ähnlich) nehmen
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if (preg_match('/(\d{4}-\d{2}-\d{2})[ T](\d{2}:\d{2}:\d{2})/', $line, $m)) {
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$ts = strtotime($m[1].' '.$m[2]);
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return $ts ?: null;
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}
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return null;
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}
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/** baut Details inkl. Restzeit; wenn kein Timestamp gefunden: ~bantime als Approximation */
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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; $until = null;
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if ($bantime === -1) {
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$remaining = -1;
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} elseif ($banAt !== null) {
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$remaining = max(0, $bantime - ($now - $banAt));
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$until = $remaining > 0 ? ($banAt + $bantime) : null;
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} else {
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// kein Ban-Timestamp gefunden → Approximation anzeigen
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$remaining = -2; // Kennzeichen für "~bantime"
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}
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$out[] = [
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'ip' => $ip,
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'banned_at' => $banAt,
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'remaining' => $remaining, // -1=permanent, -2≈approx, 0..Sek, null=unbekannt
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'until' => $until,
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];
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}
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return $out;
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}
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/** Darstellung (permanent / Restzeit / abgelaufen / approx / unbekannt) */
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private function present(?int $remaining, ?int $banAt, ?int $until): array
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{
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// Farben an dein Schema angelehnt
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$green = 'border-emerald-400/30 bg-emerald-500/10';
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$amber = 'border-amber-400/30 bg-amber-500/10';
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$rose = 'border-rose-400/30 bg-rose-500/10';
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$muted = 'border-white/10 bg-white/5';
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if ($remaining === -1) {
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$time = 'permanent';
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$meta = $banAt ? ('seit '.$this->fmtTs($banAt)) : '—';
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return [$time, $meta, $rose];
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return ['permanent', $banAt ? ('seit '.$this->fmtTs($banAt)) : '—', $rose];
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}
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if ($remaining === -2) {
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// Approximation: Bannzeit ohne Startzeitpunkt
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return ['~ '.$this->fmtSecs((int) $this->getApproxBantime()), '—', $amber];
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}
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if (is_int($remaining)) {
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if ($remaining > 0) {
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$time = $this->fmtSecs($remaining);
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$parts = [];
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if ($banAt) $parts[] = 'seit '.$this->fmtTs($banAt);
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if ($until) $parts[] = 'bis '.$this->fmtTs($until);
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$meta = $parts ? implode(' • ', $parts) : '—';
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return [$time, $meta, $amber];
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$meta = [];
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if ($banAt) $meta[] = 'seit '.$this->fmtTs($banAt);
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if ($until) $meta[] = 'bis '.$this->fmtTs($until);
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return [$this->fmtSecs($remaining), $meta ? implode(' • ', $meta) : '—', $amber];
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}
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// 0 Sekunden -> theoretisch abgelaufen
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$time = 'abgelaufen';
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$meta = $banAt ? ('seit '.$this->fmtTs($banAt)) : '—';
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return [$time, $meta, $muted];
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return ['abgelaufen', $banAt ? ('seit '.$this->fmtTs($banAt)) : '—', $muted];
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}
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// keine Info
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return ['—', '—', $muted];
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}
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// Bantime als Approximation (du kannst das einfach aus dem aufrufenden Kontext übergeben;
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// hier fallback 600)
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private function getApproxBantime(): int { return 600; }
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/** Darstellung ableiten (Farbcode + Texte) */
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/** sudo + fail2ban-client */
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private function f2b(string $args): array
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{
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@ -145,66 +214,12 @@ class Fail2BanJailModal extends ModalComponent
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/** letzte "Ban <IP>"-Zeile parsen -> Unix-Timestamp */
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/** letzte "Ban <IP>"-Zeile -> Unix-Timestamp aus /var/log/fail2ban.log */
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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($file)) return null;
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// nur das Dateiende lesen (performant, auch bei großen Logs)
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$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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// Beispiel: 2025-10-30 22:34:20,797 ... [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]);
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$time = end($m[2]);
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$dt = \DateTime::createFromFormat('Y-m-d H:i:s', "$date $time",
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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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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 buildIpDetails(string $jail, array $ips, int $bantime): array
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{
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$out = [];
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$now = time();
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foreach ($ips as $ip) {
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$banAt = $this->lastBanTimestamp($jail, $ip);
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$remaining = null; $until = null;
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if ($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=unbekannt, 0..N Sekunden
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'until' => $until,
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];
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}
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return $out;
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}
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private function fmtSecs(int $s): string
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{
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