diff options
Diffstat (limited to 'config/snort/snort.inc')
| -rwxr-xr-x | config/snort/snort.inc | 154 |
1 files changed, 153 insertions, 1 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc index 236cb107..430e5a95 100755 --- a/config/snort/snort.inc +++ b/config/snort/snort.inc @@ -34,6 +34,7 @@ require_once("pfsense-utils.inc"); require_once("config.inc"); require_once("functions.inc"); require_once("service-utils.inc"); +require_once("pkg-utils.inc"); // Needed on 2.0 because of filter_get_vpns_list() require_once("filter.inc"); @@ -887,7 +888,9 @@ function sync_snort_package_config() { snort_rules_up_install_cron($snortglob['autorulesupdate7'] != "never_up" ? true : false); configure_cron(); - + + snort_sync_on_changes(); + conf_mount_ro(); } @@ -3040,4 +3043,153 @@ EOD; unset($home_net, $external_net, $vardef, $portvardef); } +/* Uses XMLRPC to synchronize the changes to a remote node */ +function snort_sync_on_changes() { + global $config, $g; + if (is_array($config['installedpackages']['snortsync']['config'])){ + $snort_sync=$config['installedpackages']['snortsync']['config'][0]; + $synconchanges = $snort_sync['varsynconchanges']; + $synctimeout = $snort_sync['varsynctimeout']; + switch ($synconchanges){ + case "manual": + if (is_array($snort_sync[row])){ + $rs=$snort_sync[row]; + } + else{ + log_error("[snort] xmlrpc sync is enabled but there is no hosts to push snort config."); + return; + } + break; + case "auto": + if (is_array($config['installedpackages']['carpsettings']) && is_array($config['installedpackages']['carpsettings']['config'])){ + $system_carp=$config['installedpackages']['carpsettings']['config'][0]; + $rs[0]['varsyncipaddress']=$system_carp['synchronizetoip']; + $rs[0]['varsyncusername']=$system_carp['username']; + $rs[0]['varsyncpassword']=$system_carp['password']; + if ($system_carp['synchronizetoip'] ==""){ + log_error("[snort] xmlrpc sync is enabled but there is no system backup hosts to push snort config."); + return; + } + } + else{ + log_error("[snort] xmlrpc sync is enabled but there is no system backup hosts to push snort config."); + return; + } + break; + default: + return; + break; + } + if (is_array($rs)){ + log_error("[snort] xmlrpc sync is starting."); + foreach($rs as $sh){ + $sync_to_ip = $sh['varsyncipaddress']; + $password = $sh['varsyncpassword']; + if($sh['varsyncusername']) + $username = $sh['varsyncusername']; + else + $username = 'admin'; + if($password && $sync_to_ip) + snort_do_xmlrpc_sync($sync_to_ip, $username, $password,$synctimeout); + } + log_error("[snort] xmlrpc sync is ending."); + } + } +} +/* Do the actual XMLRPC sync */ +function snort_do_xmlrpc_sync($sync_to_ip, $username, $password, $synctimeout) { + global $config, $g; + + if(!$username) + return; + + if(!$password) + return; + + if(!$sync_to_ip) + return; + + if(!$synctimeout) + $synctimeout=150; + + + $xmlrpc_sync_neighbor = $sync_to_ip; + if($config['system']['webgui']['protocol'] != "") { + $synchronizetoip = $config['system']['webgui']['protocol']; + $synchronizetoip .= "://"; + } + $port = $config['system']['webgui']['port']; + /* if port is empty lets rely on the protocol selection */ + if($port == "") { + if($config['system']['webgui']['protocol'] == "http") + $port = "80"; + else + $port = "443"; + } + $synchronizetoip .= $sync_to_ip; + + /* xml will hold the sections to sync */ + $xml = array(); + $xml['snortglobal'] = $config['installedpackages']['snortglobal']; + /* assemble xmlrpc payload */ + $params = array( + XML_RPC_encode($password), + XML_RPC_encode($xml) + ); + + /* set a few variables needed for sync code borrowed from filter.inc */ + $url = $synchronizetoip; + log_error("Beginning snort XMLRPC sync to {$url}:{$port}."); + $method = 'pfsense.merge_installedpackages_section_xmlrpc'; + $msg = new XML_RPC_Message($method, $params); + $cli = new XML_RPC_Client('/xmlrpc.php', $url, $port); + $cli->setCredentials($username, $password); + if($g['debug']) + $cli->setDebug(1); + /* send our XMLRPC message and timeout after defined sync timeout value*/ + $resp = $cli->send($msg, $synctimeout); + if(!$resp) { + $error = "A communications error occurred while attempting snort XMLRPC sync with {$url}:{$port}."; + log_error($error); + file_notice("sync_settings", $error, "snort Settings Sync", ""); + } elseif($resp->faultCode()) { + $cli->setDebug(1); + $resp = $cli->send($msg, $synctimeout); + $error = "An error code was received while attempting snort XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString(); + log_error($error); + file_notice("sync_settings", $error, "snort Settings Sync", ""); + } else { + log_error("snort XMLRPC sync successfully completed with {$url}:{$port}."); + } + + /* tell squid to reload our settings on the destination sync host. */ + $method = 'pfsense.exec_php'; + $execcmd = "require_once('/usr/local/pkg/snort/snort.inc');\n"; + $execcmd .= "sync_snort_package_config();"; + /* assemble xmlrpc payload */ + $params = array( + XML_RPC_encode($password), + XML_RPC_encode($execcmd) + ); + + log_error("snort XMLRPC reload data {$url}:{$port}."); + $msg = new XML_RPC_Message($method, $params); + $cli = new XML_RPC_Client('/xmlrpc.php', $url, $port); + $cli->setCredentials($username, $password); + $resp = $cli->send($msg, $synctimeout); + if(!$resp) { + $error = "A communications error occurred while attempting snort XMLRPC sync with {$url}:{$port} (pfsense.exec_php)."; + log_error($error); + file_notice("sync_settings", $error, "snort Settings Sync", ""); + } elseif($resp->faultCode()) { + $cli->setDebug(1); + $resp = $cli->send($msg, $synctimeout); + $error = "An error code was received while attempting snort XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString(); + log_error($error); + file_notice("sync_settings", $error, "snort Settings Sync", ""); + } else { + log_error("snort XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php)."); + } + +} ?> |