diff options
Diffstat (limited to 'config/suricata/suricata_blocked.php')
| -rw-r--r-- | config/suricata/suricata_blocked.php | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/config/suricata/suricata_blocked.php b/config/suricata/suricata_blocked.php new file mode 100644 index 00000000..4747d98f --- /dev/null +++ b/config/suricata/suricata_blocked.php @@ -0,0 +1,311 @@ +<?php +/* + * suricata_blocked.php + * + * Copyright (C) 2014 Bill Meeks + * + * 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. + */ + +require_once("guiconfig.inc"); +require_once("/usr/local/pkg/suricata/suricata.inc"); + +$suricatalogdir = SURICATALOGDIR; +$suri_pf_table = SURICATA_PF_TABLE; + +if (!is_array($config['installedpackages']['suricata']['alertsblocks'])) + $config['installedpackages']['suricata']['alertsblocks'] = array(); + +$pconfig['brefresh'] = $config['installedpackages']['suricata']['alertsblocks']['brefresh']; +$pconfig['blertnumber'] = $config['installedpackages']['suricata']['alertsblocks']['blertnumber']; + +if (empty($pconfig['blertnumber'])) + $bnentries = '500'; +else + $bnentries = $pconfig['blertnumber']; + +if ($_POST['todelete']) { + $ip = ""; + if ($_POST['ip']) + $ip = $_POST['ip']; + if (is_ipaddr($ip)) + exec("/sbin/pfctl -t {$suri_pf_table} -T delete {$ip}"); + else + $input_errors[] = gettext("An invalid IP address was provided as a parameter."); +} + +if ($_POST['remove']) { + exec("/sbin/pfctl -t {$suri_pf_table} -T flush"); + header("Location: /suricata/suricata_blocked.php"); + exit; +} + +/* TODO: build a file with block ip and disc */ +if ($_POST['download']) +{ + $blocked_ips_array_save = ""; + exec("/sbin/pfctl -t {$suri_pf_table} -T show", $blocked_ips_array_save); + /* build the list */ + if (is_array($blocked_ips_array_save) && count($blocked_ips_array_save) > 0) { + $save_date = exec('/bin/date "+%Y-%m-%d-%H-%M-%S"'); + $file_name = "suricata_blocked_{$save_date}.tar.gz"; + exec('/bin/mkdir -p /tmp/suricata_blocked'); + file_put_contents("/tmp/suricata_blocked/suricata_block.pf", ""); + foreach($blocked_ips_array_save as $counter => $fileline) { + if (empty($fileline)) + continue; + $fileline = trim($fileline, " \n\t"); + file_put_contents("/tmp/suricata_blocked/suricata_block.pf", "{$fileline}\n", FILE_APPEND); + } + + // Create a tar gzip archive of blocked host IP addresses + exec("/usr/bin/tar -czf /tmp/{$file_name} -C/tmp/suricata_blocked suricata_block.pf"); + + // If we successfully created the archive, send it to the browser. + if(file_exists("/tmp/{$file_name}")) { + ob_start(); //important or other posts will fail + if (isset($_SERVER['HTTPS'])) { + header('Pragma: '); + header('Cache-Control: '); + } else { + header("Pragma: private"); + header("Cache-Control: private, must-revalidate"); + } + header("Content-Type: application/octet-stream"); + header("Content-length: " . filesize("/tmp/{$file_name}")); + header("Content-disposition: attachment; filename = {$file_name}"); + ob_end_clean(); //important or other post will fail + readfile("/tmp/{$file_name}"); + + // Clean up the temp files and directory + @unlink("/tmp/{$file_name}"); + exec("/bin/rm -fr /tmp/suricata_blocked"); + } else + $savemsg = gettext("An error occurred while creating archive"); + } else + $savemsg = gettext("No content on suricata block list"); +} + +if ($_POST['save']) +{ + /* no errors */ + if (!$input_errors) { + $config['installedpackages']['suricata']['alertsblocks']['brefresh'] = $_POST['brefresh'] ? 'on' : 'off'; + $config['installedpackages']['suricata']['alertsblocks']['blertnumber'] = $_POST['blertnumber']; + + write_config("Suricata pkg: updated BLOCKED tab settings."); + + header("Location: /suricata/suricata_blocked.php"); + exit; + } + +} + +$pgtitle = gettext("Suricata: Blocked Hosts"); +include_once("head.inc"); + +?> + +<body link="#000000" vlink="#000000" alink="#000000"> +<script src="/javascript/filter_log.js" type="text/javascript"></script> + +<?php + +include_once("fbegin.inc"); + +/* refresh every 60 secs */ +if ($pconfig['brefresh'] == 'on') + echo "<meta http-equiv=\"refresh\" content=\"60;url=/suricata/suricata_blocked.php\" />\n"; + +/* Display Alert message */ +if ($input_errors) { + print_input_errors($input_errors); // TODO: add checks +} +if ($savemsg) { + print_info_box($savemsg); +} +?> + +<form action="/suricata/suricata_blocked.php" method="post"> +<input type="hidden" name="ip" id="ip" value=""/> + +<table width="100%" border="0" cellpadding="0" cellspacing="0"> +<tr> + <td> + <?php + $tab_array = array(); + $tab_array[] = array(gettext("Suricata Interfaces"), false, "/suricata/suricata_interfaces.php"); + $tab_array[] = array(gettext("Global Settings"), false, "/suricata/suricata_global.php"); + $tab_array[] = array(gettext("Update Rules"), false, "/suricata/suricata_download_updates.php"); + $tab_array[] = array(gettext("Alerts"), false, "/suricata/suricata_alerts.php"); + $tab_array[] = array(gettext("Blocked"), true, "/suricata/suricata_blocked.php"); + $tab_array[] = array(gettext("Pass Lists"), false, "/suricata/suricata_passlist.php"); + $tab_array[] = array(gettext("Suppress"), false, "/suricata/suricata_suppress.php"); + $tab_array[] = array(gettext("Logs Browser"), false, "/suricata/suricata_logs_browser.php?instance={$instanceid}"); + $tab_array[] = array(gettext("Logs Mgmt"), false, "/suricata/suricata_logs_mgmt.php"); + display_top_tabs($tab_array, true); + ?> + </td> +</tr> +<tr> + <td><div id="mainarea"> + <table id="maintable" class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0"> + <tr> + <td colspan="2" class="listtopic"><?php echo gettext("Blocked Hosts Log View Settings"); ?></td> + </tr> + <tr> + <td width="22%" class="vncell"><?php echo gettext("Save or Remove Hosts"); ?></td> + <td width="78%" class="vtable"> + <input name="download" type="submit" class="formbtns" value="Download" title="<?=gettext("Download list of blocked hosts as a gzip archive");?>"/> + <?php echo gettext("All blocked hosts will be saved."); ?> + <input name="remove" type="submit" class="formbtns" value="Clear" title="<?=gettext("Remove blocks for all listed hosts");?>" + onClick="return confirm('<?=gettext("Are you sure you want to remove all blocked hosts? Click OK to continue or CANCLE to quit.");?>');"/> + <span class="red"><strong><?php echo gettext("Warning:"); ?></strong></span> <?php echo gettext("all hosts will be removed."); ?> + </td> + </tr> + <tr> + <td width="22%" class="vncell"><?php echo gettext("Auto Refresh and Log View"); ?></td> + <td width="78%" class="vtable"> + <input name="save" type="submit" class="formbtns" value=" Save " title="<?=gettext("Save auto-refresh and view settings");?>"/> + <?php echo gettext("Refresh"); ?> <input name="brefresh" type="checkbox" value="on" + <?php if ($config['installedpackages']['suricata']['alertsblocks']['brefresh']=="on" || $config['installedpackages']['suricata']['alertsblocks']['brefresh']=='') echo "checked"; ?>/> + <?php printf(gettext("%sDefault%s is %sON%s."), '<strong>', '</strong>', '<strong>', '</strong>'); ?> + <input name="blertnumber" type="text" class="formfld unknown" id="blertnumber" + size="5" value="<?=htmlspecialchars($bnentries);?>"/> <?php printf(gettext("Enter number of " . + "blocked entries to view. %sDefault%s is %s500%s."), '<strong>', '</strong>', '<strong>', '</strong>'); ?> + </td> + </tr> + <tr> + <td colspan="2" class="listtopic"><?php printf(gettext("Last %s Hosts Blocked by Suricata"), $bnentries); ?></td> + </tr> + <tr> + <td colspan="2"> + <table id="sortabletable1" style="table-layout: fixed;" class="sortable" width="100%" border="0" cellpadding="2" cellspacing="0"> + <colgroup> + <col width="5%" align="center" axis="number"> + <col width="15%" align="center" axis="string"> + <col width="70%" align="left" axis="string"> + <col width="10%" align="center"> + </colgroup> + <thead> + <tr> + <th class="listhdrr" axis="number">#</th> + <th class="listhdrr" axis="string"><?php echo gettext("IP"); ?></th> + <th class="listhdrr" axis="string"><?php echo gettext("Alert Description"); ?></th> + <th class="listhdrr"><?php echo gettext("Remove"); ?></th> + </tr> + </thead> + <tbody> + <?php + + /* set the arrays */ + $blocked_ips_array = suricata_get_blocked_ips(); + if (!empty($blocked_ips_array)) { + foreach ($blocked_ips_array as &$ip) + $ip = inet_pton($ip); + $tmpblocked = array_flip($blocked_ips_array); + $src_ip_list = array(); + foreach (glob("{$suricatalogdir}*/block.log*") as $alertfile) { + $fd = fopen($alertfile, "r"); + if ($fd) { + /* 0 1 2 3 4 5 6 7 8 9 10 */ + /* File format timestamp,action,sig_generator,sig_id,sig_rev,msg,classification,priority,proto,ip,port */ + while (($fields = fgetcsv($fd, 1000, ',', '"')) !== FALSE) { + if(count($fields) < 11) + continue; + $fields[9] = inet_pton($fields[9]); + if (isset($tmpblocked[$fields[9]])) { + if (!is_array($src_ip_list[$fields[9]])) + $src_ip_list[$fields[9]] = array(); + $src_ip_list[$fields[9]][$fields[5]] = "{$fields[5]} - " . substr($fields[0], 0, -7); + } + } + fclose($fd); + } + } + + foreach($blocked_ips_array as $blocked_ip) { + if (is_ipaddr($blocked_ip) && !isset($src_ip_list[$blocked_ip])) + $src_ip_list[$blocked_ip] = array("N\A\n"); + } + + /* build final list, build html */ + $counter = 0; + foreach($src_ip_list as $blocked_ip => $blocked_msg) { + $blocked_desc = implode("<br/>", $blocked_msg); + if($counter > $bnentries) + break; + else + $counter++; + + $block_ip_str = inet_ntop($blocked_ip); + /* Add zero-width space as soft-break opportunity after each colon if we have an IPv6 address */ + $tmp_ip = str_replace(":", ":​", $block_ip_str); + /* Add reverse DNS lookup icons */ + $rdns_link = ""; + $rdns_link .= "<a onclick=\"javascript:getURL('/diag_dns.php?host={$block_ip_str}&dialog_output=true', outputrule);\">"; + $rdns_link .= "<img src='../themes/{$g['theme']}/images/icons/icon_log_d.gif' width='11' height='11' border='0' "; + $rdns_link .= "title='" . gettext("Resolve host via reverse DNS lookup (quick pop-up)") . "' style=\"cursor: pointer;\"></a> "; + $rdns_link .= "<a href='/diag_dns.php?host={$block_ip_str}'>"; + $rdns_link .= "<img src='../themes/{$g['theme']}/images/icons/icon_log.gif' width='11' height='11' border='0' "; + $rdns_link .= "title='" . gettext("Resolve host via reverse DNS lookup") . "'></a>"; + /* use one echo to do the magic*/ + echo "<tr> + <td align=\"center\" valign=\"middle\" class=\"listr\">{$counter}</td> + <td align=\"center\" valign=\"middle\" class=\"listr\">{$tmp_ip}<br/>{$rdns_link}</td> + <td valign=\"middle\" class=\"listr\">{$blocked_desc}</td> + <td align=\"center\" valign=\"middle\" class=\"listr\" sorttable_customkey=\"\"> + <input type=\"image\" name=\"todelete[]\" onClick=\"document.getElementById('ip').value='{$block_ip_str}';\" + src=\"../themes/{$g['theme']}/images/icons/icon_x.gif\" title=\"" . gettext("Delete host from Blocked Table") . "\" border=\"0\" /></td> + </tr>\n"; + } + } + ?> + </tbody> + </table> + </td> + </tr> + <tr> + <td colspan="2" class="vexpl" align="center"> + <?php if (!empty($blocked_ips_array)) { + if ($counter > 1) + echo "{$counter}" . gettext(" host IP addresses are currently being blocked."); + else + echo "{$counter}" . gettext(" host IP address is currently being blocked."); + } + else { + echo gettext("There are currently no hosts being blocked by Suricata."); + } + ?> + </td> + </tr> + </table> + </div> + </td> +</tr> +</table> +</form> +<?php +include("fend.inc"); +?> +</body> +</html> |