1 files changed, 50 insertions, 0 deletions
diff --git a/config/pfblockerng/index.php b/config/pfblockerng/index.php
new file mode 100644
index 00000000..804932d2
--- /dev/null
+++ b/config/pfblockerng/index.php
@@ -0,0 +1,50 @@
+<?php
+/*
+	index.php
+
+	pfBlockerNG (DNSBL)
+	Copyright (c) 2015 BBcan177@gmail.com
+	All rights reserved.
+*/
+header("Cache-Control: private, no-store, no-cache, must-revalidate, max-age=0");
+header("Cache-Control: post-check=0, pre-check=0", false);
+header("Pragma: no-cache");
+header("Expires: Sat, 26 Jul 2014 05:00:00 GMT");
+header("Content-Type: image/gif");
+echo base64_decode('R0lGODlhAQABAJAAAP8AAAAAACH5BAUQAAAALAAAAAABAAEAAAICBAEAOw==');
+
+// Record DNSBL HTTP Alert to logfile
+$datereq = date('M d H:i:s', $_SERVER['REQUEST_TIME']);
+$req_agent = str_replace(',', '', "{$_SERVER['HTTP_REFERER']} | {$_SERVER['REQUEST_URI']} | {$_SERVER['HTTP_USER_AGENT']}");
+$log = htmlspecialchars("DNSBL Reject,{$datereq},{$_SERVER['HTTP_HOST']},{$_SERVER['REMOTE_ADDR']},{$req_agent}\n");
+if (!empty($log)) {
+	@file_put_contents('/var/log/pfblockerng/dnsbl.log', "{$log}", FILE_APPEND | LOCK_EX);
+}
+
+// Query DNSBL Alias for Domain List.
+$query = str_replace('.', '\.', htmlspecialchars($_SERVER['HTTP_HOST']));
+exec("/usr/bin/grep -l ' \"{$query} 60 IN A' /var/db/pfblockerng/dnsblalias/*", $match);
+$pfb_query = strstr($match[0], 'DNSBL', FALSE);
+
+if (!empty($pfb_query)) {
+	// Increment DNSBL Alias Counter
+	$dnsbl_info = '/var/db/pfblockerng/dnsbl_info';
+	if (($handle = fopen("{$dnsbl_info}", 'r')) !== FALSE) {
+		flock($handle, LOCK_EX);
+		$pfb_output = fopen("{$dnsbl_info}.bk", 'w');
+		flock($pfb_output, LOCK_EX);
+
+		// Find line with corresponding DNSBL Aliasname
+		while (($line = fgetcsv($handle)) !== FALSE) {
+			if ($line[0] == $pfb_query) {
+				$line[3] += 1;
+			}
+			fputcsv($pfb_output, $line);
+		}
+
+		fclose($pfb_output);
+		fclose($handle);
+		@rename("{$dnsbl_info}.bk", "{$dnsbl_info}");
+	}
+}
+?>
+\ No newline at end of file