/* One last sanity check -- if the rules directory is empty, default to loading custom rules */
$tmp = glob("{$suricatadir}rules/*.rules");
if (empty($tmp)) {
$currentruleset = "custom.rules";
}
$ruledir = "{$suricatadir}rules";
$rulefile = "{$ruledir}/{$currentruleset}";
if ($currentruleset != 'custom.rules') {
// Read the current rules file into our rules map array.
// If it is the auto-flowbits file, set the full path.
if ($currentruleset == "Auto-Flowbit Rules") {
$rulefile = "{$suricatacfgdir}/rules/" . FLOWBITS_FILENAME;
}
// Test for the special case of an IPS Policy file.
if (substr($currentruleset, 0, 10) == "IPS Policy") {
$rules_map = suricata_load_vrt_policy($a_rule[$id]['ips_policy']);
} elseif (!file_exists($rulefile)) {
$input_errors[] = gettext("{$currentruleset} seems to be missing!!! Please verify rules files have been downloaded, then go to the Categories tab and save the rule set again.");
} else {
$rules_map = suricata_load_rules_map($rulefile);
}
}
/* Process the current category rules through any auto SID MGMT changes if enabled */
suricata_auto_sid_mgmt($rules_map, $a_rule[$id], FALSE);
/* Load up our enablesid and disablesid arrays with manually enabled or disabled SIDs */
$enablesid = suricata_load_sid_mods($a_rule[$id]['rule_sid_on']);
$disablesid = suricata_load_sid_mods($a_rule[$id]['rule_sid_off']);
if ($_POST['toggle'] && is_numeric($_POST['sid']) && is_numeric($_POST['gid']) && !empty($rules_map)) {
// Get the GID:SID tags embedded in the clicked rule icon.
$gid = $_POST['gid'];
$sid = $_POST['sid'];
$contents = '';
$wrap_flag = "off";
// Correct displayed file title if necessary
if ($file == "Auto-Flowbit Rules") {
$displayfile = FLOWBITS_FILENAME;
} elseif ($file == "suricata.rules") {
$displayfile = "Currently Active Rules";
} else {
$displayfile = $file;
}
// Read the contents of the argument passed to us.
// It may be an IPS policy string, an individual SID,
// a standard rules file, or a complete file name.
// Test for the special case of an IPS Policy file.
if (substr($file, 0, 10) == "IPS Policy") {
$rules_map = suricata_load_vrt_policy(strtolower(trim(substr($file, strpos($file, "-") + 1))));
if (isset($_GET['sid']) && is_numericint($_GET['sid']) && isset($_GET['gid']) && is_numericint($_GET['gid'])) {
$contents = $rules_map[$_GET['gid']][trim($_GET['sid'])]['rule'];
$wrap_flag = "soft";
} else {
$contents = "# Suricata IPS Policy - " . ucfirst(trim(substr($file, strpos($file, "-") + 1))) . "\n\n";
foreach (array_keys($rules_map) as $k1) {
foreach (array_keys($rules_map[$k1]) as $k2) {
$contents .= "# Category: " . $rules_map[$k1][$k2]['category'] . " SID: {$k2}\n";
$contents .= $rules_map[$k1][$k2]['rule'] . "\n";
}
}
}
unset($rules_map);
} elseif (isset($_GET['sid']) && is_numericint($_GET['sid']) && isset($_GET['gid']) && is_numericint($_GET['gid'])) {
// If flowbit rule, point to interface-specific file