. Copyright (C) 2008-2009 Robert Zelaya. 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"); require_once("/usr/local/pkg/snort/snort_gui.inc"); if (!is_array($config['installedpackages']['snortglobal']['rule'])) { $config['installedpackages']['snortglobal']['rule'] = array(); } //nat_rules_sort(); $a_nat = &$config['installedpackages']['snortglobal']['rule']; $id = $_GET['id']; if (isset($_POST['id'])) $id = $_POST['id']; if (isset($_GET['dup'])) { $id = $_GET['dup']; $after = $_GET['dup']; } /* always have a limit of (65535) numbers only or snort will not start do to id limits */ /* TODO: When inline gets added make the uuid the port number lisstening */ //function gen_snort_uuid($fileline) //{ /* return the first 5 */ //if (preg_match("/...../", $fileline, $matches1)) //{ //$uuid_final = "$matches1[0]"; //} //return $uuid_final; //} /* gen uuid for each iface !inportant */ if ($config['installedpackages']['snortglobal']['rule'][$id]['uuid'] == '') { //$snort_uuid = gen_snort_uuid(strrev(uniqid(true))); $snort_uuid = 0; while ($snort_uuid > 65535 || $snort_uuid == 0) { $snort_uuid = mt_rand(1, 65535); $pconfig['uuid'] = $snort_uuid; } } /* convert fake interfaces to real */ $if_real = convert_friendly_interface_to_real_interface_name2($a_nat[$id]['interface']); if ($config['installedpackages']['snortglobal']['rule'][$id]['uuid'] != '') { $snort_uuid = $config['installedpackages']['snortglobal']['rule'][$id]['uuid']; } if (isset($id) && $a_nat[$id]) { /* old options */ $pconfig['def_ssl_ports_ignore'] = $a_nat[$id]['def_ssl_ports_ignore']; $pconfig['flow_depth'] = $a_nat[$id]['flow_depth']; $pconfig['perform_stat'] = $a_nat[$id]['perform_stat']; $pconfig['http_inspect'] = $a_nat[$id]['http_inspect']; $pconfig['other_preprocs'] = $a_nat[$id]['other_preprocs']; $pconfig['ftp_preprocessor'] = $a_nat[$id]['ftp_preprocessor']; $pconfig['smtp_preprocessor'] = $a_nat[$id]['smtp_preprocessor']; $pconfig['sf_portscan'] = $a_nat[$id]['sf_portscan']; $pconfig['dce_rpc_2'] = $a_nat[$id]['dce_rpc_2']; $pconfig['dns_preprocessor'] = $a_nat[$id]['dns_preprocessor']; $pconfig['def_dns_servers'] = $a_nat[$id]['def_dns_servers']; $pconfig['def_dns_ports'] = $a_nat[$id]['def_dns_ports']; $pconfig['def_smtp_servers'] = $a_nat[$id]['def_smtp_servers']; $pconfig['def_smtp_ports'] = $a_nat[$id]['def_smtp_ports']; $pconfig['def_mail_ports'] = $a_nat[$id]['def_mail_ports']; $pconfig['def_http_servers'] = $a_nat[$id]['def_http_servers']; $pconfig['def_www_servers'] = $a_nat[$id]['def_www_servers']; $pconfig['def_http_ports'] = $a_nat[$id]['def_http_ports']; $pconfig['def_sql_servers'] = $a_nat[$id]['def_sql_servers']; $pconfig['def_oracle_ports'] = $a_nat[$id]['def_oracle_ports']; $pconfig['def_mssql_ports'] = $a_nat[$id]['def_mssql_ports']; $pconfig['def_telnet_servers'] = $a_nat[$id]['def_telnet_servers']; $pconfig['def_telnet_ports'] = $a_nat[$id]['def_telnet_ports']; $pconfig['def_snmp_servers'] = $a_nat[$id]['def_snmp_servers']; $pconfig['def_snmp_ports'] = $a_nat[$id]['def_snmp_ports']; $pconfig['def_ftp_servers'] = $a_nat[$id]['def_ftp_servers']; $pconfig['def_ftp_ports'] = $a_nat[$id]['def_ftp_ports']; $pconfig['def_ssh_servers'] = $a_nat[$id]['def_ssh_servers']; $pconfig['def_ssh_ports'] = $a_nat[$id]['def_ssh_ports']; $pconfig['def_pop_servers'] = $a_nat[$id]['def_pop_servers']; $pconfig['def_pop2_ports'] = $a_nat[$id]['def_pop2_ports']; $pconfig['def_pop3_ports'] = $a_nat[$id]['def_pop3_ports']; $pconfig['def_imap_servers'] = $a_nat[$id]['def_imap_servers']; $pconfig['def_imap_ports'] = $a_nat[$id]['def_imap_ports']; $pconfig['def_sip_proxy_ip'] = $a_nat[$id]['def_sip_proxy_ip']; $pconfig['def_sip_proxy_ports'] = $a_nat[$id]['def_sip_proxy_ports']; $pconfig['def_auth_ports'] = $a_nat[$id]['def_auth_ports']; $pconfig['def_finger_ports'] = $a_nat[$id]['def_finger_ports']; $pconfig['def_irc_ports'] = $a_nat[$id]['def_irc_ports']; $pconfig['def_nntp_ports'] = $a_nat[$id]['def_nntp_ports']; $pconfig['def_rlogin_ports'] = $a_nat[$id]['def_rlogin_ports']; $pconfig['def_rsh_ports'] = $a_nat[$id]['def_rsh_ports']; $pconfig['def_ssl_ports'] = $a_nat[$id]['def_ssl_ports']; $pconfig['barnyard_enable'] = $a_nat[$id]['barnyard_enable']; $pconfig['barnyard_mysql'] = $a_nat[$id]['barnyard_mysql']; $pconfig['enable'] = $a_nat[$id]['enable']; $pconfig['uuid'] = $a_nat[$id]['uuid']; $pconfig['interface'] = $a_nat[$id]['interface']; $pconfig['descr'] = $a_nat[$id]['descr']; $pconfig['performance'] = $a_nat[$id]['performance']; $pconfig['blockoffenders7'] = $a_nat[$id]['blockoffenders7']; $pconfig['snortalertlogtype'] = $a_nat[$id]['snortalertlogtype']; $pconfig['alertsystemlog'] = $a_nat[$id]['alertsystemlog']; $pconfig['tcpdumplog'] = $a_nat[$id]['tcpdumplog']; $pconfig['snortunifiedlog'] = $a_nat[$id]['snortunifiedlog']; $pconfig['configpassthru'] = base64_decode($a_nat[$id]['configpassthru']); $pconfig['barnconfigpassthru'] = $a_nat[$id]['barnconfigpassthru']; $pconfig['rulesets'] = $a_nat[$id]['rulesets']; $pconfig['rule_sid_off'] = $a_nat[$id]['rule_sid_off']; $pconfig['rule_sid_on'] = $a_nat[$id]['rule_sid_on']; if (!$pconfig['interface']) $pconfig['interface'] = "wan"; } else { $pconfig['interface'] = "wan"; } if (isset($_GET['dup'])) unset($id); /* alert file */ $d_snortconfdirty_path = "/var/run/snort_conf_{$snort_uuid}_{$if_real}.dirty"; /* this will exec when alert says apply */ if ($_POST['apply']) { if (file_exists("/var/run/snort_conf_{$snort_uuid}_.dirty")) { write_config(); $if_real = convert_friendly_interface_to_real_interface_name2($a_nat[$id]['interface']); sync_snort_package_all($id, $if_real, $snort_uuid); sync_snort_package(); unlink("/var/run/snort_conf_{$snort_uuid}_.dirty"); } if (file_exists($d_snortconfdirty_path)) { write_config(); sync_snort_package_all($id, $if_real, $snort_uuid); sync_snort_package(); unlink($d_snortconfdirty_path); } } if ($_POST["Submit"]) { // if ($config['installedpackages']['snortglobal']['rule']) { if ($_POST['descr'] == '' && $pconfig['descr'] == '') { $input_errors[] = "Please enter a description for your reference."; } if ($id == "" && $config['installedpackages']['snortglobal']['rule'][0]['interface'] != "") { $rule_array = $config['installedpackages']['snortglobal']['rule']; $id_c = -1; foreach ($rule_array as $value) { $id_c += 1; $result_lan = $config['installedpackages']['snortglobal']['rule'][$id_c]['interface']; $if_real = convert_friendly_interface_to_real_interface_name2($result_lan); if ($_POST['interface'] == $result_lan) { $input_errors[] = "Interface $result_lan is in use. Please select another interface."; } } } /* check for overlaps */ foreach ($a_nat as $natent) { if (isset($id) && ($a_nat[$id]) && ($a_nat[$id] === $natent)) continue; if ($natent['interface'] != $_POST['interface']) continue; } /* if no errors write to conf */ if (!$input_errors) { $natent = array(); /* write to conf for 1st time or rewrite the answer */ $natent['interface'] = $_POST['interface'] ? $_POST['interface'] : $pconfig['interface']; /* if post write to conf or rewite the answer */ $natent['enable'] = $_POST['enable'] ? on : off; $natent['uuid'] = $pconfig['uuid']; $natent['descr'] = $_POST['descr'] ? $_POST['descr'] : $pconfig['descr']; $natent['performance'] = $_POST['performance'] ? $_POST['performance'] : $pconfig['performance']; /* if post = on use on off or rewrite the conf */ if ($_POST['blockoffenders7'] == "on") { $natent['blockoffenders7'] = on; }else{ $natent['blockoffenders7'] = off; } if ($_POST['enable'] == "") { $natent['blockoffenders7'] = $pconfig['blockoffenders7']; } $natent['snortalertlogtype'] = $_POST['snortalertlogtype'] ? $_POST['snortalertlogtype'] : $pconfig['snortalertlogtype']; if ($_POST['alertsystemlog'] == "on") { $natent['alertsystemlog'] = on; }else{ $natent['alertsystemlog'] = off; } if ($_POST['enable'] == "") { $natent['alertsystemlog'] = $pconfig['alertsystemlog']; } if ($_POST['tcpdumplog'] == "on") { $natent['tcpdumplog'] = on; }else{ $natent['tcpdumplog'] = off; } if ($_POST['enable'] == "") { $natent['tcpdumplog'] = $pconfig['tcpdumplog']; } if ($_POST['snortunifiedlog'] == "on") { $natent['snortunifiedlog'] = on; }else{ $natent['snortunifiedlog'] = off; } if ($_POST['enable'] == "") { $natent['snortunifiedlog'] = $pconfig['snortunifiedlog']; } $natent['configpassthru'] = base64_encode($_POST['configpassthru']) ? base64_encode($_POST['configpassthru']) : $pconfig['configpassthru']; /* if optiion = 0 then the old descr way will not work */ /* rewrite the options that are not in post */ /* make shure values are set befor repost or conf.xml will be broken */ if ($pconfig['def_ssl_ports_ignore'] != "") { $natent['def_ssl_ports_ignore'] = $pconfig['def_ssl_ports_ignore']; } if ($pconfig['flow_depth'] != "") { $natent['flow_depth'] = $pconfig['flow_depth']; } if ($pconfig['perform_stat'] != "") { $natent['perform_stat'] = $pconfig['perform_stat']; } if ($pconfig['http_inspect'] != "") { $natent['http_inspect'] = $pconfig['http_inspect']; } if ($pconfig['other_preprocs'] != "") { $natent['other_preprocs'] = $pconfig['other_preprocs']; } if ($pconfig['ftp_preprocessor'] != "") { $natent['ftp_preprocessor'] = $pconfig['ftp_preprocessor']; } if ($pconfig['smtp_preprocessor'] != "") { $natent['smtp_preprocessor'] = $pconfig['smtp_preprocessor']; } if ($pconfig['sf_portscan'] != "") { $natent['sf_portscan'] = $pconfig['sf_portscan']; } if ($pconfig['dce_rpc_2'] != "") { $natent['dce_rpc_2'] = $pconfig['dce_rpc_2']; } if ($pconfig['dns_preprocessor'] != "") { $natent['dns_preprocessor'] = $pconfig['dns_preprocessor']; } if ($pconfig['def_dns_servers'] != "") { $natent['def_dns_servers'] = $pconfig['def_dns_servers']; } if ($pconfig['def_dns_ports'] != "") { $natent['def_dns_ports'] = $pconfig['def_dns_ports']; } if ($pconfig['def_smtp_servers'] != "") { $natent['def_smtp_servers'] = $pconfig['def_smtp_servers']; } if ($pconfig['def_smtp_ports'] != "") { $natent['def_smtp_ports'] = $pconfig['def_smtp_ports']; } if ($pconfig['def_mail_ports'] != "") { $natent['def_mail_ports'] = $pconfig['def_mail_ports']; } if ($pconfig['def_http_servers'] != "") { $natent['def_http_servers'] = $pconfig['def_http_servers']; } if ($pconfig['def_www_servers'] != "") { $natent['def_www_servers'] = $pconfig['def_www_servers']; } if ($pconfig['def_http_ports'] != "") { $natent['def_http_ports'] = $pconfig['def_http_ports']; } if ($pconfig['def_sql_servers'] != "") { $natent['def_sql_servers'] = $pconfig['def_sql_servers']; } if ($pconfig['def_oracle_ports'] != "") { $natent['def_oracle_ports'] = $pconfig['def_oracle_ports']; } if ($pconfig['def_mssql_ports'] != "") { $natent['def_mssql_ports'] = $pconfig['def_mssql_ports']; } if ($pconfig['def_telnet_servers'] != "") { $natent['def_telnet_servers'] = $pconfig['def_telnet_servers']; } if ($pconfig['def_telnet_ports'] != "") { $natent['def_telnet_ports'] = $pconfig['def_telnet_ports']; } if ($pconfig['def_snmp_servers'] != "") { $natent['def_snmp_servers'] = $pconfig['def_snmp_servers']; } if ($pconfig['def_snmp_ports'] != "") { $natent['def_snmp_ports'] = $pconfig['def_snmp_ports']; } if ($pconfig['def_ftp_servers'] != "") { $natent['def_ftp_servers'] = $pconfig['def_ftp_servers']; } if ($pconfig['def_ftp_ports'] != "") { $natent['def_ftp_ports'] = $pconfig['def_ftp_ports']; } if ($pconfig['def_ssh_servers'] != "") { $natent['def_ssh_servers'] = $pconfig['def_ssh_servers']; } if ($pconfig['def_ssh_ports'] != "") { $natent['def_ssh_ports'] = $pconfig['def_ssh_ports']; } if ($pconfig['def_pop_servers'] != "") { $natent['def_pop_servers'] = $pconfig['def_pop_servers']; } if ($pconfig['def_pop2_ports'] != "") { $natent['def_pop2_ports'] = $pconfig['def_pop2_ports']; } if ($pconfig['def_pop3_ports'] != "") { $natent['def_pop3_ports'] = $pconfig['def_pop3_ports']; } if ($pconfig['def_imap_servers'] != "") { $natent['def_imap_servers'] = $pconfig['def_imap_servers']; } if ($pconfig['def_imap_ports'] != "") { $natent['def_imap_ports'] = $pconfig['def_imap_ports']; } if ($pconfig['def_sip_proxy_ip'] != "") { $natent['def_sip_proxy_ip'] = $pconfig['def_sip_proxy_ip']; } if ($pconfig['def_sip_proxy_ports'] != "") { $natent['def_sip_proxy_ports'] = $pconfig['def_sip_proxy_ports']; } if ($pconfig['def_auth_ports'] != "") { $natent['def_auth_ports'] = $pconfig['def_auth_ports']; } if ($pconfig['def_finger_ports'] != "") { $natent['def_finger_ports'] = $pconfig['def_finger_ports']; } if ($pconfig['def_irc_ports'] != "") { $natent['def_irc_ports'] = $pconfig['def_irc_ports']; } if ($pconfig['def_nntp_ports'] != "") { $natent['def_nntp_ports'] = $pconfig['def_nntp_ports']; } if ($pconfig['def_rlogin_ports'] != "") { $natent['def_rlogin_ports'] = $pconfig['def_rlogin_ports']; } if ($pconfig['def_rsh_ports'] != "") { $natent['def_rsh_ports'] = $pconfig['def_rsh_ports']; } if ($pconfig['def_ssl_ports'] != "") { $natent['def_ssl_ports'] = $pconfig['def_ssl_ports']; } if ($pconfig['barnyard_enable'] != "") { $natent['barnyard_enable'] = $pconfig['barnyard_enable']; } if ($pconfig['barnyard_mysql'] != "") { $natent['barnyard_mysql'] = $pconfig['barnyard_mysql']; } if ($pconfig['barnconfigpassthru'] != "") { $natent['barnconfigpassthru'] = $pconfig['barnconfigpassthru']; } if ($pconfig['rulesets'] != "") { $natent['rulesets'] = $pconfig['rulesets']; } if ($pconfig['rule_sid_off'] != "") { $natent['rule_sid_off'] = $pconfig['rule_sid_off']; } if ($pconfig['rule_sid_on'] != "") { $natent['rule_sid_on'] = $pconfig['rule_sid_on']; } if (isset($id) && $a_nat[$id]) $a_nat[$id] = $natent; else { if (is_numeric($after)) array_splice($a_nat, $after+1, 0, array($natent)); else $a_nat[] = $natent; } write_config(); touch("$d_snortconfdirty_path"); header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' ); header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); header( 'Cache-Control: no-store, no-cache, must-revalidate' ); header( 'Cache-Control: post-check=0, pre-check=0', false ); header( 'Pragma: no-cache' ); sleep(2); header("Location: /snort/snort_interfaces_edit.php?id=$id"); exit; } } if ($_POST["Submit2"]) { sync_snort_package_all($id, $if_real, $snort_uuid); sync_snort_package(); sleep(1); Running_Start($snort_uuid, $if_real, $id); header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' ); header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); header( 'Cache-Control: no-store, no-cache, must-revalidate' ); header( 'Cache-Control: post-check=0, pre-check=0', false ); header( 'Pragma: no-cache' ); sleep(2); header("Location: /snort/snort_interfaces_edit.php?id=$id"); } if ($_POST["Submit3"]) { Running_Stop($snort_uuid, $if_real, $id); header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' ); header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); header( 'Cache-Control: no-store, no-cache, must-revalidate' ); header( 'Cache-Control: post-check=0, pre-check=0', false ); header( 'Pragma: no-cache' ); sleep(2); header("Location: /snort/snort_interfaces_edit.php?id=$id"); } /* This code needs to be below headers */ if (isset($config['installedpackages']['snortglobal']['rule'][$id]['interface'])) { $snort_up_ck2_info = Running_Ck($snort_uuid, $if_real, $id); if ($snort_up_ck2_info == 'no') { $snort_up_ck = ''; }else{ $snort_up_ck = ''; } }else{ $snort_up_ck = ''; } $pgtitle = "Snort: Interface Edit: $id $snort_uuid $if_real"; include("head.inc"); ?>