- # Check if the the automatic rule update hass been touched.
- if($cgiparams{'AUTOUPDATE_INTERVAL'} ne $oldsettings{'AUTOUPDATE_INTERVAL'}) {
- # Call suricatactrl to set the new interval.
- &IDS::call_suricatactrl("cron", $cgiparams{'AUTOUPDATE_INTERVAL'});
+ # Check if the the automatic rule update hass been touched.
+ if($cgiparams{'AUTOUPDATE_INTERVAL'} ne $oldsettings{'AUTOUPDATE_INTERVAL'}) {
+ # Call suricatactrl to set the new interval.
+ &IDS::call_suricatactrl("cron", $cgiparams{'AUTOUPDATE_INTERVAL'});
+ }
+
+ # Check if a ruleset is present - if not or the source has been changed download it.
+ if((! %idsrules) || ($oldsettings{'RULES'} ne $cgiparams{'RULES'})) {
+ # Check if the red device is active.
+ unless (-e "${General::swroot}/red/active") {
+ $errormessage = "$Lang::tr{'could not download latest updates'} - $Lang::tr{'system is offline'}";
+ }
+
+ # Check if enought free disk space is availabe.
+ if(&IDS::checkdiskspace()) {
+ $errormessage = "$Lang::tr{'not enough disk space'}";
+ }
+
+ # Check if any errors happend.
+ unless ($errormessage) {
+ # Lock the webpage and print notice about downloading
+ # a new ruleset.
+ &working_notice("$Lang::tr{'ids working'}");
+
+ # Call subfunction to download the ruleset.
+ if(&IDS::downloadruleset()) {
+ $errormessage = $Lang::tr{'could not download latest updates'};
+
+ # Call function to store the errormessage.
+ &IDS::_store_error_message($errormessage);
+ } else {
+ # Call subfunction to launch oinkmaster.
+ &IDS::oinkmaster();
+ }
+
+ # Check if the IDS is running.
+ if(&IDS::ids_is_running()) {
+ # Call suricatactrl to stop the IDS - because of the changed
+ # ruleset - the use has to configure it before suricata can be
+ # used again.
+ &IDS::call_suricatactrl("stop");
+ }
+
+ # Perform a reload of the page.
+ &reload();
+ }
+ }