. * Copyright (C) 2008-2009 Robert Zelaya. * Copyright (C) 2014 Bill Meeks * All rights reserved. * * 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/snort/snort.inc"); global $g, $rebuild_rules; if (isset($_POST['id']) && is_numericint($_POST['id'])) $id = $_POST['id']; elseif (isset($_GET['id']) && is_numericint($_GET['id'])) $id = htmlspecialchars($_GET['id']); if (is_null($id)) { header("Location: /snort/snort_interfaces.php"); exit; } if (!is_array($config['installedpackages']['snortglobal']['rule'])) $config['installedpackages']['snortglobal']['rule'] = array(); $a_nat = &$config['installedpackages']['snortglobal']['rule']; $pconfig = array(); // The keys in the $retentions array are the retention period // converted to hours. $retentions = array( '0' => gettext('KEEP ALL'), '24' => gettext('1 DAY'), '168' => gettext('7 DAYS'), '336' => gettext('14 DAYS'), '720' => gettext('30 DAYS'), '1080' => gettext("45 DAYS"), '2160' => gettext('90 DAYS'), '4320' => gettext('180 DAYS'), '8766' => gettext('1 YEAR'), '26298' => gettext("3 YEARS") ); $log_sizes = array( '0' => gettext('NO LIMIT'), '8' => gettext('8 MB'), '16' => gettext('16 MB'), '32' => gettext('32 MB'), '64' => gettext('64 MB'), '128' => gettext('128 MB'), '256' => gettext('256 MB') ); if (isset($id) && $a_nat[$id]) { $pconfig = $a_nat[$id]; if (!empty($a_nat[$id]['barnconfigpassthru'])) $pconfig['barnconfigpassthru'] = base64_decode($a_nat[$id]['barnconfigpassthru']); if (!empty($a_nat[$id]['barnyard_dbpwd'])) $pconfig['barnyard_dbpwd'] = base64_decode($a_nat[$id]['barnyard_dbpwd']); if (empty($a_nat[$id]['barnyard_show_year'])) $pconfig['barnyard_show_year'] = "on"; if (empty($a_nat[$id]['unified2_log_limit'])) $pconfig['unified2_log_limit'] = "32"; if (empty($a_nat[$id]['barnyard_archive_enable'])) $pconfig['barnyard_archive_enable'] = "on"; if (empty($a_nat[$id]['u2_archived_log_retention'])) $pconfig['u2_archived_log_retention'] = "168"; if (empty($a_nat[$id]['barnyard_obfuscate_ip'])) $pconfig['barnyard_obfuscate_ip'] = "off"; if (empty($a_nat[$id]['barnyard_syslog_dport'])) $pconfig['barnyard_syslog_dport'] = "514"; if (empty($a_nat[$id]['barnyard_syslog_proto'])) $pconfig['barnyard_syslog_proto'] = "udp"; if (empty($a_nat[$id]['barnyard_syslog_opmode'])) $pconfig['barnyard_syslog_opmode'] = "default"; if (empty($a_nat[$id]['barnyard_syslog_facility'])) $pconfig['barnyard_syslog_facility'] = "LOG_USER"; if (empty($a_nat[$id]['barnyard_syslog_priority'])) $pconfig['barnyard_syslog_priority'] = "LOG_INFO"; if (empty($a_nat[$id]['barnyard_bro_ids_dport'])) $pconfig['barnyard_bro_ids_dport'] = "47760"; } if ($_POST['save']) { // Check that at least one output plugin is enabled if ($_POST['barnyard_mysql_enable'] != 'on' && $_POST['barnyard_syslog_enable'] != 'on' && $_POST['barnyard_bro_ids_enable'] != 'on' && $_POST['barnyard_enable'] == "on") $input_errors[] = gettext("You must enable at least one output option when using Barnyard2."); // Validate inputs if MySQL database loggging enabled if ($_POST['barnyard_mysql_enable'] == 'on' && $_POST['barnyard_enable'] == "on") { if (empty($_POST['barnyard_dbhost'])) $input_errors[] = gettext("Please provide a valid hostname or IP address for the MySQL database host."); if (empty($_POST['barnyard_dbname'])) $input_errors[] = gettext("You must provide a DB instance name when logging to a MySQL database."); if (empty($_POST['barnyard_dbuser'])) $input_errors[] = gettext("You must provide a DB user login name when logging to a MySQL database."); } // Validate Sensor Name contains no spaces if ($_POST['barnyard_enable'] == 'on') { if (!empty($_POST['barnyard_sensor_name']) && strpos($_POST['barnyard_sensor_name'], " ") !== FALSE) $input_errors[] = gettext("The value for 'Sensor Name' cannot contain spaces."); } // Validate inputs if syslog output enabled if ($_POST['barnyard_syslog_enable'] == 'on' && $_POST['barnyard_enable'] == "on") { if ($_POST['barnyard_log_vlan_events'] == 'on' || $_POST['barnyard_log_mpls_events'] == 'on') $input_errors[] = gettext("Logging of VLAN or MPLS events is not compatible with syslog output. You must disable VLAN and MPLS event type logging when using the syslog output option."); } if ($_POST['barnyard_syslog_enable'] == 'on' && $_POST['barnyard_syslog_local'] <> 'on' && $_POST['barnyard_enable'] == "on") { if (empty($_POST['barnyard_syslog_dport']) || !is_numeric($_POST['barnyard_syslog_dport'])) $input_errors[] = gettext("Please provide a valid number between 1 and 65535 for the Syslog Remote Port."); if (empty($_POST['barnyard_syslog_rhost'])) $input_errors[] = gettext("Please provide a valid hostname or IP address for the Syslog Remote Host."); } // Validate inputs if Bro-IDS output enabled if ($_POST['barnyard_bro_ids_enable'] == 'on' && $_POST['barnyard_enable'] == "on") { if (empty($_POST['barnyard_bro_ids_dport']) || !is_numeric($_POST['barnyard_bro_ids_dport'])) $input_errors[] = gettext("Please provide a valid number between 1 and 65535 for the Bro-IDS Remote Port."); if (empty($_POST['barnyard_bro_ids_rhost'])) $input_errors[] = gettext("Please provide a valid hostname or IP address for the Bro-IDS Remote Host."); } // if no errors write to conf if (!$input_errors) { $natent = array(); /* repost the options already in conf */ $natent = $pconfig; $natent['barnyard_enable'] = $_POST['barnyard_enable'] ? 'on' : 'off'; $natent['barnyard_show_year'] = $_POST['barnyard_show_year'] ? 'on' : 'off'; $natent['barnyard_archive_enable'] = $_POST['barnyard_archive_enable'] ? 'on' : 'off'; $natent['barnyard_dump_payload'] = $_POST['barnyard_dump_payload'] ? 'on' : 'off'; $natent['barnyard_obfuscate_ip'] = $_POST['barnyard_obfuscate_ip'] ? 'on' : 'off'; $natent['barnyard_log_vlan_events'] = $_POST['barnyard_log_vlan_events'] ? 'on' : 'off'; $natent['barnyard_log_mpls_events'] = $_POST['barnyard_log_mpls_events'] ? 'on' : 'off'; $natent['barnyard_mysql_enable'] = $_POST['barnyard_mysql_enable'] ? 'on' : 'off'; $natent['barnyard_syslog_enable'] = $_POST['barnyard_syslog_enable'] ? 'on' : 'off'; $natent['barnyard_syslog_local'] = $_POST['barnyard_syslog_local'] ? 'on' : 'off'; $natent['barnyard_bro_ids_enable'] = $_POST['barnyard_bro_ids_enable'] ? 'on' : 'off'; $natent['barnyard_disable_sig_ref_tbl'] = $_POST['barnyard_disable_sig_ref_tbl'] ? 'on' : 'off'; $natent['barnyard_syslog_opmode'] = $_POST['barnyard_syslog_opmode']; $natent['barnyard_syslog_proto'] = $_POST['barnyard_syslog_proto']; if ($_POST['unified2_log_limit']) $natent['unified2_log_limit'] = $_POST['unified2_log_limit']; else unset($natent['unified2_log_limit']); if ($_POST['u2_archived_log_retention']) $natent['u2_archived_log_retention'] = $_POST['u2_archived_log_retention']; else unset($natent['u2_archived_log_retention']); if ($_POST['barnyard_sensor_name']) $natent['barnyard_sensor_name'] = $_POST['barnyard_sensor_name']; else unset($natent['barnyard_sensor_name']); if ($_POST['barnyard_dbhost']) $natent['barnyard_dbhost'] = $_POST['barnyard_dbhost']; else unset($natent['barnyard_dbhost']); if ($_POST['barnyard_dbname']) $natent['barnyard_dbname'] = $_POST['barnyard_dbname']; else unset($natent['barnyard_dbname']); if ($_POST['barnyard_dbuser']) $natent['barnyard_dbuser'] = $_POST['barnyard_dbuser']; else unset($natent['barnyard_dbuser']); if ($_POST['barnyard_dbpwd']) $natent['barnyard_dbpwd'] = base64_encode($_POST['barnyard_dbpwd']); else unset($natent['barnyard_dbpwd']); if ($_POST['barnyard_syslog_rhost']) $natent['barnyard_syslog_rhost'] = $_POST['barnyard_syslog_rhost']; else unset($natent['barnyard_syslog_rhost']); if ($_POST['barnyard_syslog_dport']) $natent['barnyard_syslog_dport'] = $_POST['barnyard_syslog_dport']; else $natent['barnyard_syslog_dport'] = '514'; if ($_POST['barnyard_syslog_facility']) $natent['barnyard_syslog_facility'] = $_POST['barnyard_syslog_facility']; else $natent['barnyard_syslog_facility'] = 'LOG_USER'; if ($_POST['barnyard_syslog_priority']) $natent['barnyard_syslog_priority'] = $_POST['barnyard_syslog_priority']; else $natent['barnyard_syslog_priority'] = 'LOG_INFO'; if ($_POST['barnyard_bro_ids_rhost']) $natent['barnyard_bro_ids_rhost'] = $_POST['barnyard_bro_ids_rhost']; else unset($natent['barnyard_bro_ids_rhost']); if ($_POST['barnyard_bro_ids_dport']) $natent['barnyard_bro_ids_dport'] = $_POST['barnyard_bro_ids_dport']; else $natent['barnyard_bro_ids_dport'] = '47760'; if ($_POST['barnconfigpassthru']) $natent['barnconfigpassthru'] = base64_encode(str_replace("\r\n", "\n", $_POST['barnconfigpassthru'])); else unset($natent['barnconfigpassthru']); $a_nat[$id] = $natent; write_config("Snort pkg: modified Barnyard2 settings."); // No need to rebuild rules for Barnyard2 changes $rebuild_rules = false; sync_snort_package_config(); // If disabling Barnyard2 on the interface, stop any // currently running instance. If an instance is // running, signal it to reload the configuration. // If Barnyard2 is enabled but not running, notify the // user to restart Snort to enable Unified2 output. if ($a_nat[$id]['barnyard_enable'] == "off") { snort_barnyard_stop($a_nat[$id], get_real_interface($a_nat[$id]['interface'])); } elseif ($a_nat[$id]['barnyard_enable'] == "on") { if (snort_is_running($a_nat[$id]['uuid'], get_real_interface($a_nat[$id]['interface']), "barnyard2")) snort_barnyard_reload_config($a_nat[$id], "HUP"); else { // Notify user a Snort restart is required if enabling Barnyard2 for the first time $savemsg = gettext("NOTE: you must restart Snort on this interface to activate unified2 logging for Barnyard2."); } } $pconfig = $natent; } else { // We had errors, so save previous field data to prevent retyping $pconfig = $_POST; } } $if_friendly = convert_friendly_interface_to_friendly_descr($a_nat[$id]['interface']); $pgtitle = gettext("Snort: Interface {$if_friendly} - Barnyard2 Settings"); include_once("head.inc"); ?>
'; echo '
'; $menu_iface=($if_friendly?substr($if_friendly,0,5)." ":"Iface "); $tab_array = array(); $tab_array[] = array($menu_iface . gettext("Settings"), false, "/snort/snort_interfaces_edit.php?id={$id}"); $tab_array[] = array($menu_iface . gettext("Categories"), false, "/snort/snort_rulesets.php?id={$id}"); $tab_array[] = array($menu_iface . gettext("Rules"), false, "/snort/snort_rules.php?id={$id}"); $tab_array[] = array($menu_iface . gettext("Variables"), false, "/snort/snort_define_servers.php?id={$id}"); $tab_array[] = array($menu_iface . gettext("Preprocs"), false, "/snort/snort_preprocessors.php?id={$id}"); $tab_array[] = array($menu_iface . gettext("Barnyard2"), true, "/snort/snort_barnyard.php?id={$id}"); $tab_array[] = array($menu_iface . gettext("IP Rep"), false, "/snort/snort_ip_reputation.php?id={$id}"); $tab_array[] = array($menu_iface . gettext("Logs"), false, "/snort/snort_interface_logs.php?id={$id}"); display_top_tabs($tab_array, true); ?>
onClick="enable_change(false)"/>
/> " . gettext("Checked") . ""; ?>
 

/> " . gettext("Checked") . ""; ?>
 " . gettext("7 days."). "";?>

/> " . gettext("Not Checked") . ""; ?>
/> " . gettext("Not Checked") . ""; ?>
/> " . gettext("Not Checked") . ""; ?>
/> " . gettext("Not Checked") . ""; ?>
 
onClick="toggle_mySQL()"/>
 
 
 
 
/> " . gettext("Not Checked") . ""; ?>

onClick="toggle_syslog()"/>
/>  />   

onClick="toggle_local_syslog()"/>
 
 " . gettext("514") . "."; ?>
/>  />    " . gettext("UDP") . "."; ?>
   " . gettext("LOG_USER") . "."; ?>
   " . gettext("LOG_INFO") . "."; ?>
onClick="toggle_bro_ids()"/>
 
 " . gettext("47760") . "."; ?>

  " />