diff options
| -rw-r--r-- | config/pfblockerng/pfblockerng_alerts.php | 42 | ||||
| -rw-r--r-- | config/pfblockerng/pfblockerng_alerts.php.bak | 866 |
2 files changed, 889 insertions, 19 deletions
diff --git a/config/pfblockerng/pfblockerng_alerts.php b/config/pfblockerng/pfblockerng_alerts.php index cb892187..22464207 100644 --- a/config/pfblockerng/pfblockerng_alerts.php +++ b/config/pfblockerng/pfblockerng_alerts.php @@ -326,26 +326,30 @@ function conv_log_filter_lite($logfile, $nentries, $tail, $pfbdenycnt, $pfbpermi if (!in_array($pfbalert[0], $rule_list['id'])) continue; - $pfbalert[1] = $rule_data[4]; // Realint - $pfbalert[3] = $rule_data[6]; // Act - $pfbalert[4] = $rule_data[8]; // Version + $pfbalert[1] = $rule_data[4]; // Realint + $pfbalert[3] = $rule_data[6]; // Act + $pfbalert[4] = $rule_data[8]; // Version if ($pfbalert[4] == "4") { - $pfbalert[5] = $rule_data[15]; // Protocol ID - $pfbalert[6] = $rule_data[16]; // Protocol - $pfbalert[7] = $rule_data[18]; // SRC IP - $pfbalert[8] = $rule_data[19]; // DST IP + $pfbalert[5] = $rule_data[15]; // Protocol ID + $pfbalert[6] = $rule_data[16]; // Protocol + $pfbalert[7] = $rule_data[18]; // SRC IP + $pfbalert[8] = $rule_data[19]; // DST IP + $pfbalert[9] = $rule_data[20]; // SRC Port + $pfbalert[10] = $rule_data[21]; // DST Port + $pfbalert[11] = $rule_data[23]; // TCP Flags } else { - $pfbalert[5] = $rule_data[14]; // Protocol ID - $pfbalert[6] = $rule_data[13]; // Protocol - $pfbalert[7] = $rule_data[15]; // SRC IP - $pfbalert[8] = $rule_data[16]; // DST IP + $pfbalert[5] = $rule_data[13]; // Protocol ID + $pfbalert[6] = $rule_data[12]; // Protocol + $pfbalert[7] = "[" . $rule_data[15] . "]"; // SRC IP + $pfbalert[8] = "[" . $rule_data[16] . "]"; // DST IP + $pfbalert[9] = $rule_data[17]; // SRC Port + $pfbalert[10] = $rule_data[18]; // DST Port + $pfbalert[11] = $rule_data[20]; // TCP Flags } if ($pfbalert[5] == "6" || $pfbalert[5] == "17") { - $pfbalert[9] = $rule_data[20]; // SRC Port - $pfbalert[10] = $rule_data[21]; // DST Port - $pfbalert[11] = $rule_data[23]; // TCP Flags + // skip } else { $pfbalert[9] = ""; $pfbalert[10] = ""; @@ -628,12 +632,12 @@ if (!empty($fields_array[$type]) && !empty($rule_list)) { $proto = str_replace("TCP", "TCP-", $fields[6]) . $fields[11]; // Cleanup Port Output - if ($fields[6] == "ICMP") { - $srcport = ""; - $dstport = ""; + if ($fields[6] == "ICMP" || $fields[6] == "ICMPV6") { + $srcport = ""; + $dstport = ""; } else { - $srcport = " :" . $fields[9]; - $dstport = " :" . $fields[10]; + $srcport = ":" . $fields[9]; + $dstport = ":" . $fields[10]; } // Don't add Suppress Icon to Country Block Lines diff --git a/config/pfblockerng/pfblockerng_alerts.php.bak b/config/pfblockerng/pfblockerng_alerts.php.bak new file mode 100644 index 00000000..cb892187 --- /dev/null +++ b/config/pfblockerng/pfblockerng_alerts.php.bak @@ -0,0 +1,866 @@ +<?php +/* + pfBlockerNG_Alerts.php + + pfBlockerNG + Copyright (C) 2014 BBcan177@gmail.com + All rights reserved. + + Portions of this code are based on original work done for + pfSense from the following contributors: + + Parts based on works from Snort_alerts.php + Copyright (C) 2014 Bill Meeks + All rights reserved. + + Javascript Hostname Lookup modifications by J. Nieuwenhuizen + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ + +// Auto-Resolve Hostnames +if (isset($_REQUEST['getpfhostname'])) { + $getpfhostname = trim(htmlspecialchars($_REQUEST['getpfhostname'])); + if (strlen($getpfhostname) >= 8) { + $hostname = htmlspecialchars(gethostbyaddr($getpfhostname), ENT_QUOTES); + } else { + $hostname = $getpfhostname; + } + if ($hostname == $getpfhostname) { + $hostname = 'unknown'; + } + echo $hostname; + die; +} + +require_once("util.inc"); +require_once("guiconfig.inc"); +require_once("/usr/local/pkg/pfblockerng/pfblockerng.inc"); +global $rule_list; +pfb_global(); + +// Application Paths +$pathgeoip = "/usr/pbi/pfblockerng-" . php_uname("m") . "/bin/geoiplookup"; +$pathgeoip6 = "/usr/pbi/pfblockerng-" . php_uname("m") . "/bin/geoiplookup6"; + +// Define File Locations +$filter_logfile = "{$g['varlog_path']}/filter.log"; +$pathgeoipdat = "/usr/pbi/pfblockerng-" . php_uname("m") . "/share/GeoIP/GeoIP.dat"; +$pathgeoipdat6 = "/usr/pbi/pfblockerng-" . php_uname("m") . "/share/GeoIP/GeoIPv6.dat"; + +// Emerging Threats IQRisk Header Name Reference +$pfb['et_header'] = TRUE; +$et_header = $config['installedpackages']['pfblockerngreputation']['config'][0]['et_header']; +if (empty($et_header)) + $pfb['et_header'] = FALSE; + +// Collect pfBlockerNGSuppress Alias and Create pfbsuppression.txt +if ($pfb['supp'] == "on") + pfb_create_suppression_file(); + +// Collect Number of Suppressed Hosts +if (file_exists("{$pfb['supptxt']}")) { + $pfbsupp_cnt = exec ("/usr/bin/grep -c ^ {$pfb['supptxt']}"); +} else { + $pfbsupp_cnt = 0; +} + +// Collect pfBlockerNG Rule Names and Number +$rule_list = array(); +$results = array(); +$data = exec ("/sbin/pfctl -vv -sr | grep 'pfB_'", $results); + +if (!isset($config['installedpackages']['pfblockerngglobal']['pfbdenycnt'])) + $config['installedpackages']['pfblockerngglobal']['pfbdenycnt'] = '25'; +if (!isset($config['installedpackages']['pfblockerngglobal']['pfbpermitcnt'])) + $config['installedpackages']['pfblockerngglobal']['pfbpermitcnt'] = '5'; +if (!isset($config['installedpackages']['pfblockerngglobal']['pfbmatchcnt'])) + $config['installedpackages']['pfblockerngglobal']['pfbmatchcnt'] = '5'; +if (empty($config['installedpackages']['pfblockerngglobal']['alertrefresh'])) + $config['installedpackages']['pfblockerngglobal']['alertrefresh'] = 'off'; +if (empty($config['installedpackages']['pfblockerngglobal']['hostlookup'])) + $config['installedpackages']['pfblockerngglobal']['hostlookup'] = 'off'; + +if (isset($_POST['save'])) { + if (!is_array($config['installedpackages']['pfblockerngglobal'])) + $config['installedpackages']['pfblockerngglobal'] = array(); + $config['installedpackages']['pfblockerngglobal']['alertrefresh'] = $_POST['alertrefresh'] ? 'on' : 'off'; + $config['installedpackages']['pfblockerngglobal']['hostlookup'] = $_POST['hostlookup'] ? 'on' : 'off'; + if (is_numeric($_POST['pfbdenycnt'])) + $config['installedpackages']['pfblockerngglobal']['pfbdenycnt'] = $_POST['pfbdenycnt']; + if (is_numeric($_POST['pfbpermitcnt'])) + $config['installedpackages']['pfblockerngglobal']['pfbpermitcnt'] = $_POST['pfbpermitcnt']; + if (is_numeric($_POST['pfbmatchcnt'])) + $config['installedpackages']['pfblockerngglobal']['pfbmatchcnt'] = $_POST['pfbmatchcnt']; + + write_config("pfBlockerNG pkg: updated ALERTS tab settings."); + header("Location: " . $_SERVER['PHP_SELF']); + exit; +} + +if (is_array($config['installedpackages']['pfblockerngglobal'])) { + $alertrefresh = $config['installedpackages']['pfblockerngglobal']['alertrefresh']; + $hostlookup = $config['installedpackages']['pfblockerngglobal']['hostlookup']; + $pfbdenycnt = $config['installedpackages']['pfblockerngglobal']['pfbdenycnt']; + $pfbpermitcnt = $config['installedpackages']['pfblockerngglobal']['pfbpermitcnt']; + $pfbmatchcnt = $config['installedpackages']['pfblockerngglobal']['pfbmatchcnt']; +} + +// Collect pfBlockerNG Firewall Rules +if (!empty($results)) { + foreach ($results as $result) { + + # Find Rule Descriptions + $descr = ""; + if (preg_match("/USER_RULE: (\w+)/",$result,$desc)) + $descr = $desc[1]; + + if ($pfb['pfsenseversion'] >= '2.2') { + preg_match ("/@(\d+)\(/",$result, $rule); + } else { + preg_match ("/@(\d+)\s/",$result, $rule); + } + + $id = $rule[1]; + # Create array of Rule Description and pfctl Rule Number + $rule_list['id'][] = $id; + $rule_list[$id]['name'] = $descr; + } +} + +// Add IP to the Suppression Alias +if (isset($_POST['addsuppress'])) { + $ip = ""; + if (isset($_POST['ip'])) { + $ip = $_POST['ip']; + $table = $_POST['table']; + $descr = $_POST['descr']; + $cidr = $_POST['cidr']; + + // If Description or CIDR field is empty, exit. + if (empty($descr) || empty($cidr)) { + header("Location: " . $_SERVER['PHP_SELF']); + exit; + } + + if (is_ipaddr($ip)) { + + $savemsg1 = "Host IP address {$ip}"; + if (is_ipaddrv4($ip)) { + $iptrim1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '$1.$2.$3.0/24', $ip); + $iptrim2 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '$1.$2.$3.', $ip); + $iptrim3 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '$4', $ip); + + if ($cidr == "32") { + $pfb_pfctl = exec ("/sbin/pfctl -t {$table} -T show | grep {$iptrim1} 2>&1"); + + if ($pfb_pfctl == "") { + $savemsg2 = " : Removed /32 entry"; + exec ("/sbin/pfctl -t {$table} -T delete {$ip}"); + } else { + $savemsg2 = " : Removed /24 entry, added 254 addr"; + exec ("/sbin/pfctl -t {$table} -T delete {$iptrim1}"); + for ($add_ip=0; $add_ip <= 255; $add_ip++){ + if ($add_ip != $iptrim3) { + exec ("/sbin/pfctl -t {$table} -T add {$iptrim2}{$add_ip}"); + } + } + } + } else { + $cidr = 24; + $savemsg2 = " : Removed /24 entry"; + exec ("/sbin/pfctl -t {$table} -T delete {$iptrim1} 2>&1", $pfb_pfctl); + if (!preg_grep("/1\/1 addresses deleted/", $pfb_pfctl)) { + $savemsg2 = " : Removed all entries"; + // Remove 0-255 IP Address from Alias Table + for ($del_ip=0; $del_ip <= 255; $del_ip++){ + exec ("/sbin/pfctl -t {$table} -T delete {$iptrim2}{$del_ip}"); + } + } + } + } + + // Collect pfBlockerNGSuppress Alias Contents + $pfb_sup_list = array(); + $pfb_sup_array = array(); + $pfb['found'] = FALSE; + $pfb['update'] = FALSE; + if (is_array($config['aliases']['alias'])) { + foreach ($config['aliases']['alias'] as $alias) { + if ($alias['name'] == "pfBlockerNGSuppress") { + $data = $alias['address']; + $data2 = $alias['detail']; + $arr1 = explode(" ",$data); + $arr2 = explode("||",$data2); + + if (!empty($data)) { + $row = 0; + foreach ($arr1 as $host) { + $pfb_sup_list[] = $host; + $pfb_sup_array[$row]['host'] = $host; + $row++; + } + $row = 0; + foreach ($arr2 as $detail) { + $pfb_sup_array[$row]['detail'] = $detail; + $row++; + } + } + $pfb['found'] = TRUE; + } + } + } + + // Call Function to Create Suppression Alias if not found. + if (!$pfb['found']) + pfb_create_suppression_alias(); + + // Save New Suppress IP to pfBlockerNGSuppress Alias + if (in_array($ip . '/' . $cidr, $pfb_sup_list)) { + $savemsg = gettext("Host IP address {$ip} already exists in the pfBlockerNG Suppress Table."); + } else { + if (!$pfb['found'] && empty($pfb_sup_list)) { + $next_id = 0; + } else { + $next_id = count($pfb_sup_list); + } + $pfb_sup_array[$next_id]['host'] = $ip . '/' . $cidr; + $pfb_sup_array[$next_id]['detail'] = $descr; + + $address = ""; + $detail = ""; + foreach ($pfb_sup_array as $pfb_sup) { + $address .= $pfb_sup['host'] . " "; + $detail .= $pfb_sup['detail'] . "||"; + } + + // Find pfBlockerNGSuppress Array ID Number + if (is_array($config['aliases']['alias'])) { + $pfb_id = 0; + foreach ($config['aliases']['alias'] as $alias) { + if ($alias['name'] == "pfBlockerNGSuppress") { + break; + } + $pfb_id++; + } + } + + $config['aliases']['alias'][$pfb_id]['address'] = rtrim($address, " "); + $config['aliases']['alias'][$pfb_id]['detail'] = rtrim($detail, "||"); + $savemsg = gettext($savemsg1) . gettext($savemsg2) . gettext(" and added Host to the pfBlockerNG Suppress Table."); + $pfb['update'] = TRUE; + } + + if ($pfb['found'] || $pfb['update']) { + // Save all Changes to pfsense config file + write_config(); + } + } + } +} + +// Host Resolve Function lookup +function getpfbhostname($type = 'src', $hostip, $countme = 0) { + $hostnames['src'] = ''; + $hostnames['dst'] = ''; + $hostnames[$type] = '<div id="gethostname_' . $countme . '" name="' . $hostip . '"></div>'; + return $hostnames; +} + + +// Determine if Alert Host 'Dest' is within the Local Lan IP Range. +function check_lan_dest($lan_ip,$lan_mask,$dest_ip,$dest_mask="32") { + $result = check_subnets_overlap($lan_ip, $lan_mask, $dest_ip, $dest_mask); + return $result; +} + + +// Parse Filter log for pfBlockerNG Alerts +function conv_log_filter_lite($logfile, $nentries, $tail, $pfbdenycnt, $pfbpermitcnt, $pfbmatchcnt) { + global $rule_list; + $fields_array = array(); + $logarr = ""; + $denycnt = 0; + $permitcnt = 0; + $matchcnt = 0; + + if (file_exists($logfile)) { + exec("/usr/local/sbin/clog " . escapeshellarg($logfile) . " | grep -v \"CLOG\" | grep -v \"\033\" | /usr/bin/grep 'filterlog:' | /usr/bin/tail -r -n {$tail}", $logarr); + } + else return; + + if (!empty($logarr) && !empty($rule_list['id'])) { + foreach ($logarr as $logent) { + $pfbalert = array(); + $log_split = ""; + + if (!preg_match("/(.*)\s(.*)\sfilterlog:\s(.*)$/", $logent, $log_split)) + continue; + + list($all, $pfbalert[99], $host, $rule) = $log_split; + $rule_data = explode(",", $rule); + $pfbalert[0] = $rule_data[0]; // Rulenum + + // Skip Alert if Rule is not a pfBNG Alert + if (!in_array($pfbalert[0], $rule_list['id'])) + continue; + + $pfbalert[1] = $rule_data[4]; // Realint + $pfbalert[3] = $rule_data[6]; // Act + $pfbalert[4] = $rule_data[8]; // Version + + if ($pfbalert[4] == "4") { + $pfbalert[5] = $rule_data[15]; // Protocol ID + $pfbalert[6] = $rule_data[16]; // Protocol + $pfbalert[7] = $rule_data[18]; // SRC IP + $pfbalert[8] = $rule_data[19]; // DST IP + } else { + $pfbalert[5] = $rule_data[14]; // Protocol ID + $pfbalert[6] = $rule_data[13]; // Protocol + $pfbalert[7] = $rule_data[15]; // SRC IP + $pfbalert[8] = $rule_data[16]; // DST IP + } + + if ($pfbalert[5] == "6" || $pfbalert[5] == "17") { + $pfbalert[9] = $rule_data[20]; // SRC Port + $pfbalert[10] = $rule_data[21]; // DST Port + $pfbalert[11] = $rule_data[23]; // TCP Flags + } else { + $pfbalert[9] = ""; + $pfbalert[10] = ""; + $pfbalert[11] = ""; + } + + // Skip Repeated Alerts + if (($pfbalert[3] . $pfbalert[8] . $pfbalert[10]) == $previous_dstip || ($pfbalert[3] . $pfbalert[7] . $pfbalert[9]) == $previous_srcip) + continue; + + $pfbalert[2] = convert_real_interface_to_friendly_descr($rule_data[4]); // Friendly Interface Name + $pfbalert[6] = strtoupper($pfbalert[6]); + + if ($pfbalert[3] == "block") { + if ($denycnt < $pfbdenycnt) { + $fields_array['Deny'][] = $pfbalert; + $denycnt++; + } + } + elseif ($pfbalert[3] == "pass") { + if ($permitcnt < $pfbpermitcnt) { + $fields_array['Permit'][] = $pfbalert; + $permitcnt++; + } + } + elseif ($pfbalert[3] == "unkn(%u)" || $pfbalert[3] == "unkn(11)") { + if ($matchcnt < $pfbmatchcnt) { + $fields_array['Match'][] = $pfbalert; + $matchcnt++; + } + } + + // Exit function if Sufficinet Matches found. + if ($denycnt >= $pfbdenycnt && $permitcnt >= $pfbpermitcnt && $matchcnt >= $pfbmatchcnt) { + unset ($pfbalert, $logarr); + return $fields_array; + } + + // Collect Details for Repeated Alert Comparison + $previous_srcip = $pfbalert[3] . $pfbalert[7] . $pfbalert[9]; + $previous_dstip = $pfbalert[3] . $pfbalert[8] . $pfbalert[10]; + } + unset ($pfbalert, $logarr); + return $fields_array; + } +} + +$pgtitle = gettext("pfBlockerNG: Alerts"); +include_once("head.inc"); +?> +<body link="#000000" vlink="#0000CC" alink="#000000"> +<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post"> +<input type="hidden" name="ip" id="ip" value=""/> +<input type="hidden" name="table" id="table" value=""/> +<input type="hidden" name="descr" id="descr" value=""/> +<input type="hidden" name="cidr" id="cidr" value=""/> +<?php + +include_once("fbegin.inc"); + +/* refresh every 60 secs */ +if ($alertrefresh == 'on') + echo "<meta http-equiv=\"refresh\" content=\"60;url={$_SERVER['PHP_SELF']}\" />\n"; +if ($savemsg) { + print_info_box($savemsg); +} + +?> + <table width="100%" border="0" cellpadding="0" cellspacing="0"> + <tr> + <td> + <?php + $tab_array = array(); + $tab_array[] = array(gettext("General"), false, "/pkg_edit.php?xml=pfblockerng.xml&id=0"); + $tab_array[] = array(gettext("Update"), false, "/pfblockerng/pfblockerng_update.php"); + $tab_array[] = array(gettext("Alerts"), true, "/pfblockerng/pfblockerng_alerts.php"); + $tab_array[] = array(gettext("Reputation"), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_reputation.xml&id=0"); + $tab_array[] = array(gettext("IPv4"), false, "/pkg.php?xml=/pfblockerng/pfblockerng_v4lists.xml"); + $tab_array[] = array(gettext("IPv6"), false, "/pkg.php?xml=/pfblockerng/pfblockerng_v6lists.xml"); + $tab_array[] = array(gettext("Top 20"), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_top20.xml&id=0"); + $tab_array[] = array(gettext("Africa"), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_Africa.xml&id=0"); + $tab_array[] = array(gettext("Asia"), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_Asia.xml&id=0"); + $tab_array[] = array(gettext("Europe"), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_Europe.xml&id=0"); + $tab_array[] = array(gettext("N.A."), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_NorthAmerica.xml&id=0"); + $tab_array[] = array(gettext("Oceania"), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_Oceania.xml&id=0"); + $tab_array[] = array(gettext("S.A."), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_SouthAmerica.xml&id=0"); + $tab_array[] = array(gettext("P.S."), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_ProxyandSatellite.xml&id=0"); + $tab_array[] = array(gettext("Logs"), false, "/pfblockerng/pfblockerng_log.php"); + $tab_array[] = array(gettext("Sync"), false, "/pkg_edit.php?xml=/pfblockerng/pfblockerng_sync.xml&id=0"); + display_top_tabs($tab_array, true); + ?> + </td> + </tr> + <tr> + <td><div id="mainarea"> + <table id="maintable" class="tabcont" width="100%" border="0" cellspacing="0" cellpadding="6"> + <tr> + <td colspan="3" class="vncell" align="left"><?php echo gettext("LINKS :"); ?> + <a href='/firewall_aliases.php' target="_blank"><?php echo gettext("Firewall Alias"); ?></a> + <a href='/firewall_rules.php' target="_blank"><?php echo gettext("Firewall Rules"); ?></a> + <a href='/diag_logs_filter.php' target="_blank"><?php echo gettext("Firewall Logs"); ?></a><br /></td> + </tr> + <tr> + <td width="10%" class="vncell"><?php echo gettext('Alert Settings'); ?></td> + <td width="90%" class="vtable"> + <input name="pfbdenycnt" type="text" class="formfld unknown" id="pdbdenycnt" size="1" title="Enter the number of 'Deny' Alerts to Show" value="<?=htmlspecialchars($pfbdenycnt);?>"/> + <?php printf(gettext('%sDeny%s. ') , '<strong>', '</strong>'); ?> + <input name="pfbpermitcnt" type="text" class="formfld unknown" id="pdbpermitcnt" size="1" title="Enter the number of 'Permit' Alerts to Show" value="<?=htmlspecialchars($pfbpermitcnt);?>"/> + <?php printf(gettext('%sPermit%s. '), '<strong>', '</strong>'); ?> + <input name="pfbmatchcnt" type="text" class="formfld unknown" id="pdbmatchcnt" size="1" title="Enter the number of 'Match' Alerts to Show" value="<?=htmlspecialchars($pfbmatchcnt); ?>"/> + <?php printf(gettext('%sMatch%s.'), '<strong>', '</strong>'); ?> + + <?php echo gettext(' Click to Auto-Refresh');?> <input name="alertrefresh" type="checkbox" value="on" title="Click to enable Auto-Refresh of this Tab once per minute" + <?php if ($config['installedpackages']['pfblockerngglobal']['alertrefresh']=="on") echo "checked"; ?>/> + + <?php echo gettext(' Click to Auto-Resolve');?> <input name="hostlookup" type="checkbox" value="on" title="Click to enable Auto-Resolve of Hostnames. Country Blocks/Permit/Match Lists will not auto-resolve" + <?php if ($config['installedpackages']['pfblockerngglobal']['hostlookup']=="on") echo "checked"; ?>/> + <input name="save" type="submit" class="formbtns" value="Save" title="<?=gettext('Save settings');?>"/><br /> + + <?php printf(gettext('Enter number of log entries to view.')); ?> + <?php printf(gettext("Currently Suppressing %s$pfbsupp_cnt%s Hosts."), '<strong>', '</strong>');?> + </td> + </tr> +<!--Create Three Output Windows 'Deny', 'Permit' and 'Match'--> +<?php foreach (array ("Deny" => $pfb['denydir'] . " " . $pfb['nativedir'], "Permit" => $pfb['permitdir'], "Match" => $pfb['matchdir']) as $type => $pfbfolder ): + switch($type) { + case "Deny": + $rtype = "block"; + $pfbentries = "{$pfbdenycnt}"; + break; + case "Permit": + $rtype = "pass"; + $pfbentries = "{$pfbpermitcnt}"; + break; + case "Match": + if ($pfb['pfsenseversion'] >= '2.2') { + $rtype = "unkn(%u)"; + } else { + $rtype = "unkn(11)"; + } + $pfbentries = "{$pfbmatchcnt}"; + break; + } + +?> + <table id="maintable" class="tabcont" width="100%" border="0" cellspacing="0" cellpadding="6"> + <tr> + <!--Print Table Info--> + <td colspan="2" class="listtopic"><?php printf(gettext(" {$type} - Last %s Alert Entries."),"{$pfbentries}"); ?> + <?php if ($type == "Deny"): ?> + <?php echo gettext("Firewall Rule changes can unsync these Alerts."); ?> + <?php endif; ?> + </td> + </tr> + +<td width="100%" colspan="2"> +<table id="pfbAlertsTable" style="table-layout: fixed;" width="100%" class="sortable" border="0" cellpadding="0" cellspacing="0"> + <colgroup> + <col width="8%" align="center" axis="date"> + <col width="6%" align="center" axis="string"> + <col width="16%" align="center" axis="string"> + <col width="6%" align="center" axis="string"> + <col width="20%" align="center" axis="string"> + <col width="20%" align="center" axis="string"> + <col width="3%" align="center" axis="string"> + <col width="13%" align="center" axis="string"> + </colgroup> + <thead> + <tr class="sortableHeaderRowIdentifier"> + <th class="listhdrr" axis="date"><?php echo gettext("Date"); ?></th> + <th class="listhdrr" axis="string"><?php echo gettext("IF"); ?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Rule"); ?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Proto"); ?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Source"); ?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Destination"); ?></th> + <th class="listhdrr" axis="string"><?php echo gettext("CC"); ?></th> + <th class="listhdrr" axis="string"><?php echo gettext("List"); ?></th> + </tr> + </thead> + <tbody> +<?php + +$pfb['runonce'] = TRUE; +if (isset($pfb['load'])) + $pfb['runonce'] = FALSE; + +// Execute the following once per refresh +if ($pfb['runonce']) { + $pfb['load'] = TRUE; + $fields_array = array(); + + // pfSense versions below 2.2 have the Logfiles in two lines. + if ($pfb['pfsenseversion'] >= '2.2') { + $pfblines = exec("/usr/local/sbin/clog {$filter_logfile} | /usr/bin/grep -c ^"); + } else { + $pfblines = (exec("/usr/local/sbin/clog {$filter_logfile} | /usr/bin/grep -c ^") /2 ); + } + + $fields_array = conv_log_filter_lite($filter_logfile, $pfblines, $pfblines, $pfbdenycnt, $pfbpermitcnt, $pfbmatchcnt); + $continents = array('pfB_Africa','pfB_Antartica','pfB_Asia','pfB_Europe','pfB_NAmerica','pfB_Oceania','pfB_SAmerica','pfB_Top'); + + $supp_ip_txt .= "Clicking this Suppression Icon, will immediately remove the Block.\n\nSuppressing a /32 CIDR is better than Suppressing the full /24"; + $supp_ip_txt .= " CIDR.\nThe Host will be added to the pfBlockerNG Suppress Alias Table.\n\nOnly 32 or 24 CIDR IPs can be Suppressed with the '+' Icon."; + $supp_ip_txt .= "\nTo manually add Host(s), edit the 'pfBlockerNGSuppress' Alias in the Alias Tab.\nManual entries will not remove existing Blocked Hosts"; + + // Array of all Local IPs for Alert Analysis + $pfb_local = array(); + + // Collect Gateway IP Addresses for Inbound/Outbound List matching + $int_gateway = get_interfaces_with_gateway(); + if (is_array($int_gateway)) { + foreach ($int_gateway as $gateway) { + $convert = get_interface_ip($gateway); + $pfb_local[] = $convert; + } + } + + // Collect Virtual IP Aliases for Inbound/Outbound List Matching + if (is_array($config['virtualip']['vip'])) { + foreach ($config['virtualip']['vip'] as $list) { + $pfb_local[] = $list['subnet']; + } + } + // Collect NAT IP Addresses for Inbound/Outbound List Matching + if (is_array($config['nat']['rule'])) { + foreach ($config['nat']['rule'] as $natent) { + $pfb_local[] = $natent['target']; + } + } + + // Collect 1:1 NAT IP Addresses for Inbound/Outbound List Matching + if(is_array($config['nat']['onetoone'])) { + foreach ($config['nat']['onetoone'] as $onetoone) { + $pfb_local[] = $onetoone['source']['address']; + } + } + + // Convert any 'Firewall Aliases' to IP Address Format + if (is_array($config['aliases']['alias'])) { + for ($cnt = 0; $cnt <= count($pfb_local); $cnt++) { + foreach ($config['aliases']['alias'] as $i=> $alias) { + if (isset($alias['name']) && isset($pfb_local[$cnt])) { + if ($alias['name'] == $pfb_local[$cnt]) { + $pfb_local[$cnt] = $alias['address']; + } + } + } + } + } + // Remove any Duplicate IPs + $pfb_local = array_unique($pfb_local); + + // Determine Lan IP Address and Mask + if (is_array($config['interfaces']['lan'])) { + $lan_ip = $config['interfaces']['lan']['ipaddr']; + $lan_mask = $config['interfaces']['lan']['subnet']; + } +} + +$counter = 0; +// Process Fields_array and generate Output +if (!empty($fields_array[$type]) && !empty($rule_list)) { + $key = 0; + foreach ($fields_array[$type] as $fields) { + $rulenum = ""; + $alert_ip = ""; + $supp_ip = ""; + $pfb_query = ""; + + /* Fields_array Reference [0] = Rulenum [6] = Protocol + [1] = Real Interface [7] = SRC IP + [2] = Friendly Interface Name [8] = DST IP + [3] = Action [9] = SRC Port + [4] = Version [10] = DST Port + [5] = Protocol ID [11] = Flags + [99] = Timestamp */ + + $rulenum = $fields[0]; + if ($counter < $pfbentries) { + $proto = str_replace("TCP", "TCP-", $fields[6]) . $fields[11]; + + // Cleanup Port Output + if ($fields[6] == "ICMP") { + $srcport = ""; + $dstport = ""; + } else { + $srcport = " :" . $fields[9]; + $dstport = " :" . $fields[10]; + } + + // Don't add Suppress Icon to Country Block Lines + if (in_array(substr($rule_list[$rulenum]['name'], 0, -3), $continents)) { + $pfb_query = "Country"; + } + + // Add DNS Resolve and Suppression Icons to External IPs only. GeoIP Code to External IPs only. + if (in_array($fields[8], $pfb_local) || check_lan_dest($lan_ip,$lan_mask,$fields[8],"32")) { + // Destination is Gateway/NAT/VIP + $rule = $rule_list[$rulenum]['name'] . "<br />(" . $rulenum .")"; + $host = $fields[7]; + + if (is_ipaddrv4($host)) { + $country = substr(exec("$pathgeoip -f $pathgeoipdat $host"),23,2); + } else { + $country = substr(exec("$pathgeoip6 -f $pathgeoipdat6 $host"),26,2); + } + + $alert_ip .= "<a href='/pfblockerng/pfblockerng_diag_dns.php?host={$host}' title=\" " . gettext("Resolve host via Rev. DNS lookup"); + $alert_ip .= "\"> <img src=\"/themes/{$g['theme']}/images/icons/icon_log.gif\" width=\"11\" height=\"11\" border=\"0\" "; + $alert_ip .= "alt=\"Icon Reverse Resolve with DNS\" style=\"cursor: pointer;\"/></a>"; + + if ($pfb_query != "Country" && $rtype == "block" && $pfb['supp'] == "on") { + $supp_ip .= "<input type='image' name='addsuppress[]' onclick=\"hostruleid('{$host}','{$rule_list[$rulenum]['name']}');\" "; + $supp_ip .= "src=\"../themes/{$g['theme']}/images/icons/icon_plus.gif\" title=\""; + $supp_ip .= gettext($supp_ip_txt) . "\" border=\"0\" width='11' height='11'/>"; + } + + if ($pfb_query != "Country" && $rtype == "block" && $hostlookup == "on") { + $hostname = getpfbhostname('src', $fields[7], $counter); + } else { + $hostname = ""; + } + + $src_icons = $alert_ip . " " . $supp_ip . " "; + $dst_icons = ""; + } else { + // Outbound + $rule = $rule_list[$rulenum]['name'] . "<br />(" . $rulenum .")"; + $host = $fields[8]; + + if (is_ipaddrv4($host)) { + $country = substr(exec("$pathgeoip -f $pathgeoipdat $host"),23,2); + } else { + $country = substr(exec("$pathgeoip6 -f $pathgeoipdat6 $host"),26,2); + } + + $alert_ip .= "<a href='/pfblockerng/pfblockerng_diag_dns.php?host={$host}' title=\"" . gettext("Resolve host via Rev. DNS lookup"); + $alert_ip .= "\"> <img src=\"/themes/{$g['theme']}/images/icons/icon_log.gif\" width=\"11\" height=\"11\" border=\"0\" "; + $alert_ip .= "alt=\"Icon Reverse Resolve with DNS\" style=\"cursor: pointer;\"/></a>"; + + if ($pfb_query != "Country" && $rtype == "block" && $pfb['supp'] == "on") { + $supp_ip .= "<input type='image' name='addsuppress[]' onclick=\"hostruleid('{$host}','{$rule_list[$rulenum]['name']}');\" "; + $supp_ip .= "src=\"../themes/{$g['theme']}/images/icons/icon_plus.gif\" title=\""; + $supp_ip .= gettext($supp_ip_txt) . "\" border=\"0\" width='11' height='11'/>"; + } + + if ($pfb_query != "Country" && $rtype == "block" && $hostlookup == "on") { + $hostname = getpfbhostname('dst', $fields[8], $counter); + } else { + $hostname = ""; + } + + $src_icons = ""; + $dst_icons = $alert_ip . " " . $supp_ip . " "; + } + + # IP Query Grep Exclusion + $pfb_ex1 = "grep -v 'pfB\_\|\_v6\.txt'"; + $pfb_ex2 = "grep -v 'pfB\_\|/32\|/24\|\_v6\.txt' | grep -m1 '/'"; + + // Find List which contains Blocked IP Host + if ($pfb_query == "Country") { + # Skip + } else { + // Search for exact IP Match + $host1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '\'$1\.$2\.$3\.$4\'', $host); + $pfb_query = exec("grep -rHm1 {$host1} {$pfbfolder} | sed -e 's/^.*[a-zA-Z]\///' -e 's/:.*//' -e 's/\..*/ /' | {$pfb_ex1}"); + // Search for IP in /24 CIDR + if (empty($pfb_query)) { + $host1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '\'$1\.$2\.$3\.0/24\'', $host); + $pfb_query = exec("grep -rHm1 {$host1} {$pfbfolder} | sed -e 's/^.*[a-zA-Z]\///' -e 's/\.txt:/ /' | {$pfb_ex1}"); + } + // Search for First Two IP Octets in CIDR Matches Only. Skip any pfB (Country Lists) or /32,/24 Addresses. + if (empty($pfb_query)) { + $host1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '\'^$1\.$2\.\'', $host); + $pfb_query = exec("grep -rH {$host1} {$pfbfolder} | sed -e 's/^.*[a-zA-Z]\///' -e 's/\.txt:/ /' | {$pfb_ex2}"); + } + // Search for First Two IP Octets in CIDR Matches Only (Subtract 1 from second Octet on each loop). + // Skip (Country Lists) or /32,/24 Addresses. + if (empty($pfb_query)) { + $host1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '\'^$1\.', $host); + $host2 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '$2', $host); + for ($cnt = 1; $cnt <= 5; $cnt++) { + $host3 = $host2 - $cnt . '\''; + $pfb_query = exec("grep -rH {$host1}{$host3} {$pfbfolder} | sed -e 's/^.*[a-zA-Z]\///' -e 's/\.txt:/ /' | {$pfb_ex2}"); + // Break out of loop if found. + if (!empty($pfb_query)) + $cnt = 6; + } + } + // Search for First Three Octets + if (empty($pfb_query)) { + $host1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '\'^$1\.$2\.$3\.\'', $host); + $pfb_query = exec("grep -rH {$host1} {$pfbfolder} | sed -e 's/^.*[a-zA-Z]\///' -e 's/\.txt:/ /' | {$pfb_ex2}"); + } + // Search for First Two Octets + if (empty($pfb_query)) { + $host1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '\'^$1\.$2\.\'', $host); + $pfb_query = exec("grep -rH {$host1} {$pfbfolder} | sed -e 's/^.*[a-zA-Z]\///' -e 's/\.txt:/ /' | {$pfb_ex2}"); + } + // Report Specific ET IQRisk Details + if ($pfb['et_header'] && preg_match("/{$et_header}/", $pfb_query)) { + $host1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '\'$1\.$2\.$3\.$4\'', $host); + $pfb_query = exec("grep -Hm1 {$host1} {$pfb['etdir']}/* | sed -e 's/^.*[a-zA-Z]\///' -e 's/:.*//' -e 's/\..*/ /' -e 's/ET_/ET IPrep /' "); + if (empty($pfb_query)) { + $host1 = preg_replace("/(\d{1,3})\.(\d{1,3}).(\d{1,3}).(\d{1,3})/", '\'$1.$2.$3.0/24\'', $host); + $pfb_query = exec("grep -rHm1 {$host1} {$pfbfolder} | sed -e 's/^.*[a-zA-Z]\///' -e 's/\.txt:/ /' | {$pfb_ex1}"); + } + } + // Default to "No Match" if not found. + if (empty($pfb_query)) + $pfb_query = "No Match"; + } + + # Split List Column into Two lines. + unset ($pfb_match); + if ($pfb_query == "No Match") { + $pfb_match[1] = "{$pfb_query}"; + $pfb_match[2] = ""; + } else { + preg_match ("/(.*)\s(.*)/", $pfb_query, $pfb_match); + if ($pfb_match[1] == "") { + $pfb_match[1] = "{$pfb_query}"; + $pfb_match[2] = ""; + } + } + + // Truncate Long List Names + $pfb_matchtitle = "Country Block Rules cannot be suppressed.\n\nTo allow a particular Country IP, either remove the particular Country or add the Host\nto a Permit Alias in the Firewall Tab.\n\nIf the IP is not listed beside the List, this means that the Block is a /32 entry.\nOnly /32 or /24 CIDR Hosts can be suppressed.\n\nIf (Duplication) Checking is not enabled. You may see /24 and /32 CIDR Blocks for a given blocked Host"; + + if (strlen($pfb_match[1]) >= 17) { + $pfb_matchtitle = $pfb_match[1]; + $pfb_match[1] = substr($pfb_match[1], 0, 16) . '...'; + } + + // Print Alternating Line Shading + if ($pfb['pfsenseversion'] > '2.0') { + $alertRowEvenClass = "listMReven"; + $alertRowOddClass = "listMRodd"; + } else { + $alertRowEvenClass = "listr"; + $alertRowOddClass = "listr"; + } + + $alertRowClass = $counter % 2 ? $alertRowEvenClass : $alertRowOddClass; + echo "<tr class='{$alertRowClass}'> + <td class='listMRr' align='center'>{$fields[99]}</td> + <td class='listMRr' align='center'>{$fields[2]}</td> + <td class='listMRr' align='center' title='The pfBlockerNG Rule that Blocked this Host.'>{$rule}</td> + <td class='listMRr' align='center'>{$proto}</td> + <td nowrap='nowrap' class='listMRr' align='center' style='sorttable_customkey:{$fields[7]};' sorttable_customkey='{$fields[7]}'>{$src_icons}{$fields[7]}{$srcport}<br /><small>{$hostname['src']}</small></td> + <td nowrap='nowrap' class='listMRr' align='center' style='sorttable_customkey:{$fields[8]};' sorttable_customkey='{$fields[8]}'>{$dst_icons}{$fields[8]}{$dstport}<br /><small>{$hostname['dst']}</small></td> + <td class='listMRr' align='center'>{$country}</td> + <td class='listbg' align='center' title='{$pfb_matchtitle}' style=\"font-size: 10px word-wrap:break-word;\">{$pfb_match[1]}<br />{$pfb_match[2]}</td></tr>"; + $counter++; + if ($counter > 0 && $rtype == "block") { + $mycounter = $counter; + } + } + } +} +?> + </tbody> + </table> + </table> +<?php endforeach; ?> <!--End - Create Three Output Windows 'Deny', 'Permit' and 'Match'--> +<?php unset ($fields_array); ?> +</td></tr> +</table> + +</div> +</td> + +<script type="text/javascript"> +//<![CDATA[ + +// This function stuffs the passed HOST, Table values into hidden Form Fields for postback. +function hostruleid(host,table) { + document.getElementById("ip").value = host; + document.getElementById("table").value = table; + + var description = prompt("Please enter Suppression Description"); + document.getElementById("descr").value = description; + + if (description.value != "") { + var cidr = prompt("Please enter CIDR [ 32 or 24 CIDR only supported ]","32"); + document.getElementById("cidr").value = cidr; + } +} + +// Auto-Resolve of Alerted Hostnames +function findhostnames(counter) { + getip = jQuery('#gethostname_' + counter).attr('name'); + geturl = "<?php echo $_SERVER['PHP_SELF']; ?>"; + jQuery.get( geturl, { "getpfhostname": getip } ) + .done(function( data ) { + jQuery('#gethostname_' + counter).prop('title' , data ); + var str = data; + if(str.length > 32) str = str.substring(0,29)+"..."; + jQuery('#gethostname_' + counter).html( str ); + } + ) +} + +var alertlines = <?php echo $mycounter; ?>; +var autoresolve = "<?php echo $config['installedpackages']['pfblockerngglobal']['hostlookup']; ?>"; +if ( autoresolve == "on" ) { + for (alertcount = 0; alertcount < alertlines; alertcount++) { + setTimeout(findhostnames(alertcount), 30); + } +} + +//]]> +</script> +<?php include("fend.inc"); ?> +</form> +</body> +</html>
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