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-rwxr-xr-xconfig/snort/snort.inc938
-rwxr-xr-xconfig/snort/snort_rules.php140
-rwxr-xr-xconfig/snort/snort_rulesets.php116
-rw-r--r--config/snort/snort_sid_mgmt.php596
4 files changed, 1740 insertions, 50 deletions
diff --git a/config/snort/snort.inc b/config/snort/snort.inc
index e442755a..abe2f9ad 100755
--- a/config/snort/snort.inc
+++ b/config/snort/snort.inc
@@ -41,7 +41,7 @@ require_once("pkg-utils.inc");
require_once("filter.inc");
// Snort GUI needs some extra PHP memory space to manipulate large rules arrays
-ini_set("memory_limit", "192M");
+ini_set("memory_limit", "256M");
// Explicitly declare this as global so it works through function call includes
global $rebuild_rules, $pfSense_snort_version;
@@ -82,6 +82,7 @@ define("GPL_FILE_PREFIX", "GPLv2_");
define("ET_OPEN_FILE_PREFIX", "emerging-");
define("ET_PRO_FILE_PREFIX", "etpro-");
define("IPREP_PATH", "/var/db/snort/iprep/");
+define('SID_MODS_PATH', '/var/db/snort/sidmods/');
/* Rebuild Rules Flag -- if "true", rebuild enforcing rules and flowbit-rules files */
$rebuild_rules = false;
@@ -1157,11 +1158,11 @@ function snort_load_rules_map($rules_path) {
if (empty($rules_path))
return $map_ref;
- /***************************************************************
+ /************************************************************************************
* Read all the rules into the map array.
* The structure of the map array is:
*
- * map[gid][sid]['rule']['category']['disabled']['action']['flowbits']
+ * map[gid][sid]['rule']['category']['action']['disabled']['managed']['flowbits']
*
* where:
* gid = Generator ID from rule, or 1 if general text
@@ -1169,12 +1170,14 @@ function snort_load_rules_map($rules_path) {
* sid = Signature ID from rule
* rule = Complete rule text
* category = File name of file containing the rule
+ * action = alert, drop, reject or pass
* disabled = 1 if rule is disabled (commented out), 0 if
* rule is enabled
- * action = alert|log|pass|drop|reject|sdrop
+ * managed = 1 if rule is auto-managed by SID MGMT process,
+ * 0 if not auto-managed
* flowbits = Array of applicable flowbits if rule contains
* flowbits options
- ***************************************************************/
+ ************************************************************************************/
/* First check if we were passed a directory, a single file */
/* or an array of filenames to read. Set our $rule_files */
@@ -1697,6 +1700,854 @@ function snort_write_enforcing_rules_file($rule_map, $rule_path) {
}
}
+function snort_parse_sidconf_file($sidconf_file) {
+
+ /**********************************************/
+ /* This function loads and processes the file */
+ /* specified by '$sidconf_file'. The file is */
+ /* assumed to contain valid instructions for */
+ /* matching rule SIDs as supported by the */
+ /* Oinkmaster and PulledPork utilities. */
+ /* */
+ /* $sidconf_file ==> full path and name of */
+ /* file to process */
+ /* */
+ /* Returns ==> an array containing */
+ /* SID modifier tokens */
+ /**********************************************/
+
+ $buf = "";
+ $sid_mods = array();
+
+ $fd = fopen("{$sidconf_file}", "r");
+ if ($fd == FALSE) {
+ log_error("[Snort] Failed to open SID MGMT file '{$sidconf_file}' for processing.");
+ return $sid_mods;
+ }
+
+ // Read and parse the conf file line-by-line
+ while (($buf = fgets($fd)) !== FALSE) {
+ $line = array();
+
+ // Skip any lines that may be just spaces.
+ if (trim($buf, " \r\n") == "")
+ continue;
+
+ // Skip line with leading "#" since it's a comment
+ if (preg_match('/^\s*#/', $buf))
+ continue;
+
+ // Trim off any trailing comment
+ $line = explode("#", $buf);
+
+ // Trim leading and trailing spaces plus newline and any carriage returns
+ $buf = trim($line[0], ' \r\n');
+
+ // Now split the SID mod arguments at the commas, if more than one
+ // per line, and add to our $sid_mods array.
+ $line = explode(",", $buf);
+ foreach ($line as $ent)
+ $sid_mods[] = trim($ent);
+ }
+
+ // Close the file, release unneeded memory and return
+ // the array of SID mod tokens parsed from the file.
+ fclose($fd);
+ unset($line, $buf);
+ return $sid_mods;
+}
+
+function snort_sid_mgmt_auto_categories($snortcfg, $log_results = FALSE) {
+
+ /****************************************************/
+ /* This function parses any auto-SID conf files */
+ /* configured for the interface and returns an */
+ /* array of rule categories adjusted from the */
+ /* ['enabled_rulesets'] element in the config for */
+ /* the interface in accordance with the contents */
+ /* of the SID Mgmt conf files. */
+ /* */
+ /* The returned array shows which files should be */
+ /* removed and which should be added to the list */
+ /* used when building the enforcing ruleset. */
+ /* */
+ /* $snortcfg ==> pointer to interface */
+ /* configuration info */
+ /* $log_results ==> [optional] log results to */
+ /* 'sid_changes.log' in the */
+ /* interface directory in */
+ /* /var/log/snort when TRUE */
+ /* */
+ /* Returns ==> array of category file names */
+ /* for the interface. The keys */
+ /* are category file names and */
+ /* the corresponding values show */
+ /* if the file should be added */
+ /* or removed from the enabled */
+ /* rulesets list. */
+ /* */
+ /* Example - */
+ /* $changes[file] = 'enabled' */
+ /* */
+ /****************************************************/
+
+ global $config;
+ $snort_sidmods_dir = SID_MODS_PATH;
+ $sid_mods = array();
+ $enables = array();
+ $disables = array();
+
+ // Check if auto-mgmt of SIDs is enabled, exit if not
+ if ($config['installedpackages']['snortglobal']['auto_manage_sids'] != 'on')
+ return array();
+ if (empty($snortcfg['disable_sid_file']) && empty($snortcfg['enable_sid_file']))
+ return array();
+
+ // Configure the interface's logging subdirectory if log results is enabled
+ if ($log_results == TRUE)
+ $log_file = SNORTLOGDIR . "/snort_" . get_real_interface($snortcfg['interface']) . "{$snortcfg['uuid']}/sid_changes.log";
+ else
+ $log_file = NULL;
+
+ // Get the list of currently enabled categories for the interface
+ if (!empty($snortcfg['rulesets']))
+ $enabled_cats = explode("||", $snortcfg['rulesets']);
+
+ if ($log_results == TRUE) {
+ error_log(gettext("********************************************************\n"), 3, $log_file);
+ error_log(gettext("Starting auto RULE CATEGORY management for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface']) ."\n"), 3, $log_file);
+ error_log(gettext("Start Time: " . date("Y-m-d H:i:s") . "\n"), 3, $log_file);
+ }
+
+ switch ($snortcfg['sid_state_order']) {
+ case "disable_enable":
+ if (!empty($snortcfg['disable_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing disable_sid file: {$snortcfg['disable_sid_file']}\n"), 3, $log_file);
+
+ // Attempt to open the 'disable_sid_file' for the interface
+ if (!file_exists("{$snort_sidmods_dir}{$snortcfg['disable_sid_file']}")) {
+ log_error(gettext("[Snort] Error - unable to open 'disable_sid_file' \"{$snortcfg['disable_sid_file']}\" specified for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ if ($log_results == TRUE)
+ error_log(gettext("Unable to open disable_sid file \"{$snortcfg['disable_sid_file']}\".\n"), 3, $log_file);
+ }
+ else
+ $sid_mods = snort_parse_sidconf_file("{$snort_sidmods_dir}{$snortcfg['disable_sid_file']}");
+
+ if (!empty($sid_mods))
+ $disables = snort_get_auto_category_mods($enabled_cats, $sid_mods, "disable", $log_results, $log_file);
+ elseif ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext("WARNING: no valid SID match tokens found in file \"{$snortcfg['disable_sid_file']}\".\n"), 3, $log_file);
+ }
+ }
+ if (!empty($snortcfg['enable_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing enable_sid file: {$snortcfg['enable_sid_file']}\n"), 3, $log_file);
+
+ // Attempt to open the 'enable_sid_file' for the interface
+ if (!file_exists("{$snort_sidmods_dir}{$snortcfg['enable_sid_file']}")) {
+ log_error(gettext("[Snort] Error - unable to open 'enable_sid_file' \"{$snortcfg['enable_sid_file']}\" specified for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ if ($log_results == TRUE)
+ error_log(gettext("Unable to open enable_sid file \"{$snortcfg['enable_sid_file']}\".\n"), 3, $log_file);
+ }
+ else
+ $sid_mods = snort_parse_sidconf_file("{$snort_sidmods_dir}{$snortcfg['enable_sid_file']}");
+
+ if (!empty($sid_mods))
+ $enables = snort_get_auto_category_mods($enabled_cats, $sid_mods, "enable", $log_results, $log_file);
+ elseif ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext("WARNING: no valid SID match tokens found in file \"{$snortcfg['enable_sid_file']}\".\n"), 3, $log_file);
+ }
+ }
+ break;
+
+ case "enable_disable":
+ if (!empty($snortcfg['enable_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing enable_sid file: {$snortcfg['enable_sid_file']}\n"), 3, $log_file);
+
+ // Attempt to open the 'enable_sid_file' for the interface
+ if (!file_exists("{$snort_sidmods_dir}{$snortcfg['enable_sid_file']}")) {
+ log_error(gettext("[Snort] Error - unable to open 'enable_sid_file' \"{$snortcfg['enable_sid_file']}\" specified for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ if ($log_results == TRUE)
+ error_log(gettext("Unable to open enable_sid file \"{$snortcfg['enable_sid_file']}\".\n"), 3, $log_file);
+ }
+ else
+ $sid_mods = snort_parse_sidconf_file("{$snort_sidmods_dir}{$snortcfg['enable_sid_file']}");
+
+ if (!empty($sid_mods))
+ $enables = snort_get_auto_category_mods($enabled_cats, $sid_mods, "enable", $log_results, $log_file);
+ elseif ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext("WARNING: no valid SID match tokens found in file \"{$snortcfg['enable_sid_file']}\".\n"), 3, $log_file);
+ }
+ }
+ if (!empty($snortcfg['disable_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing disable_sid file: {$snortcfg['disable_sid_file']}\n"), 3, $log_file);
+
+ // Attempt to open the 'disable_sid_file' for the interface
+ if (!file_exists("{$snort_sidmods_dir}{$snortcfg['disable_sid_file']}")) {
+ log_error(gettext("[Snort] Error - unable to open 'disable_sid_file' \"{$snortcfg['disable_sid_file']}\" specified for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ if ($log_results == TRUE)
+ error_log(gettext("Unable to open disable_sid file \"{$snortcfg['disable_sid_file']}\".\n"), 3, $log_file);
+ }
+ else
+ $sid_mods = snort_parse_sidconf_file("{$snort_sidmods_dir}{$snortcfg['disable_sid_file']}");
+
+ if (!empty($sid_mods))
+ $disables = snort_get_auto_category_mods($enabled_cats, $sid_mods, "disable", $log_results, $log_file);
+ elseif ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext("WARNING: no valid SID match tokens found in file \"{$snortcfg['disable_sid_file']}\".\n"), 3, $log_file);
+ }
+ }
+ break;
+
+ default:
+ log_error(gettext("[Snort] Unrecognized 'sid_state_order' value. Skipping auto CATEGORY mgmt step for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ if ($log_results == TRUE) {
+ error_log(gettext("ERROR: unrecognized 'sid_state_order' value. Skipping auto CATEGORY mgmt step for ") . convert_friendly_interface_to_friendly_descr($snortcfg['interface']). ".\n", 3, $log_file);
+ }
+ }
+
+ if ($log_results == TRUE) {
+ error_log(gettext("End Time: " . date("Y-m-d H:i:s") . "\n"), 3, $log_file);
+ error_log(gettext("********************************************************\n\n"), 3, $log_file);
+ }
+
+ // Return the required rule category modifications as an array;
+ return array_merge($enables, $disables);
+}
+
+function snort_get_auto_category_mods($categories, $sid_mods, $action, $log_results = FALSE, $log_file = NULL) {
+
+ /****************************************************/
+ /* This function parses the provided SID mod tokens */
+ /* in $sid_mods and returns an array of category */
+ /* files that must be added ('enabled') or removed */
+ /* ('disabled') from the provided $categories list */
+ /* of enabled rule categories as determined by the */
+ /* content of the SID Mgmt tokens in $sid_mods. */
+ /* */
+ /* The returned array shows which files should be */
+ /* removed and which should be added to the list */
+ /* used when building the enforcing ruleset. */
+ /* */
+ /* $categories ==> array of currently enabled */
+ /* ruleset categories */
+ /* $sid_mods ==> array of SID modification */
+ /* tokens */
+ /* $action ==> modification action for */
+ /* matching category targets: */
+ /* 'enable' or 'disable' */
+ /* $log_results ==> [optional] 'yes' to log */
+ /* results to $log_file */
+ /* $log_file ==> full path and filename of log */
+ /* file to write to */
+ /* */
+ /* Returns ==> array of category file names */
+ /* for the interface. The keys */
+ /* are category file names and */
+ /* the corresponding values show */
+ /* if the file should be added */
+ /* or removed from the enabled */
+ /* rulesets list. */
+ /* */
+ /* Example - */
+ /* $changes[file] = 'enabled' */
+ /* */
+ /****************************************************/
+
+ $snortdir = SNORTDIR;
+ $all_cats = array();
+ $changes = array();
+ $counter = 0;
+ $matchcount = 0;
+
+ // Get a list of all possible categories by loading all rules files
+ foreach (array( VRT_FILE_PREFIX, ET_OPEN_FILE_PREFIX, ET_PRO_FILE_PREFIX, GPL_FILE_PREFIX ) as $prefix) {
+ $files = glob("{$snortdir}/rules/{$prefix}*.rules");
+ foreach ($files as $file)
+ $all_cats[] = basename($file);
+ }
+
+ // Walk the SID mod tokens and decode looking for rule
+ // category enable/disable changes.
+ foreach ($sid_mods as $tok) {
+ $matches = array();
+ // Test the SID token for a GID:SID range and skip if true
+ if (preg_match('/^(\d+):(\d+)-\1:(\d+)/', $tok))
+ continue;
+ // Test the token for a single GID:SID and skip if true
+ elseif (preg_match('/^(\d+):(\d+)$/', $tok))
+ continue;
+ // Test the token for the PCRE: keyword and skip if true
+ elseif (preg_match('/(^pcre\:)(.+)/i', $tok))
+ continue;
+ // Test the token for the MS reference keyword and skip if true
+ elseif (preg_match('/^MS\d+-.+/i', $tok))
+ continue;
+ // Test the token for other keywords delimited with a colon and skip if true
+ elseif (preg_match('/^[a-xA-X]+\:.+/', $tok))
+ continue;
+ // Test the SID token for a rule category name. Anything that
+ // failed to match above is considered a potential category name.
+ elseif (preg_match('/[a-xA-X]+(-|\w).*/', $tok, $matches)) {
+ $counter++;
+ $regex = "/" . preg_quote(trim($matches[0]), '/') . "/i";
+ // Search through the $all_cats array for any matches to the regex
+ $matches = preg_grep($regex, $all_cats);
+
+ // See if any matches are in the $categories array
+ foreach ($matches as $cat) {
+ switch ($action) {
+ case 'enable':
+ if (!isset($changes[$cat])) {
+ $changes[$cat] = 'enabled';
+ if ($log_results == TRUE && !empty($log_file))
+ error_log(gettext(" Enabled rule category: {$cat}\n"), 3, $log_file);
+ $matchcount++;
+ }
+ break;
+
+ case 'disable':
+ if (!isset($changes[$cat])) {
+ $changes[$cat] = 'disabled';
+ if ($log_results == TRUE && !empty($log_file))
+ error_log(gettext(" Disabled rule category: {$cat}\n"), 3, $log_file);
+ $matchcount++;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+ }
+ else {
+ if ($log_results == TRUE && !empty($log_file))
+ error_log(gettext("WARNING: unrecognized token '{$tok}' encountered while processing an automatic SID MGMT file.\n"), 3, $log_file);
+ }
+ }
+
+ if ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext(" Parsed {$counter} potential Rule Categories to match from the list of tokens.\n"), 3, $log_file);
+ error_log(gettext(" " . ucfirst($action) . "d {$matchcount} matching Rule Categories.\n"), 3, $log_file);
+ }
+
+ // Release memory no longer needed
+ unset($all_cats, $matches);
+
+ // Return array of rule category file changes
+ return $changes;
+}
+
+function snort_modify_sid_state(&$rule_map, $sid_mods, $action, $log_results = FALSE, $log_file = NULL) {
+
+ /**********************************************/
+ /* This function walks the provided array of */
+ /* SID modification tokens and locates the */
+ /* target SID or SIDs in the $rule_map array. */
+ /* It then performs the change specified by */
+ /* $action on the target SID or SIDs. */
+ /* */
+ /* $rule_map ==> reference to array of */
+ /* current rules */
+ /* $sid_mods ==> array of SID modification */
+ /* tokens */
+ /* $action ==> modification action for */
+ /* matching SID targets: */
+ /* 'enable' or 'disable' */
+ /* $log_results ==> [optional] 'yes' to log */
+ /* results to $log_file */
+ /* $log_file ==> full path and filename */
+ /* of log file to write to */
+ /* */
+ /* On Return ==> $rule_map array modified */
+ /* by changing state for */
+ /* matching SIDs. */
+ /* */
+ /* Returns a two-dimension */
+ /* array of matching GID:SID */
+ /* pairs. */
+ /**********************************************/
+
+ $sids = array();
+
+ // If no rules in $rule_map or mods in $sid_mods,
+ // then nothing to do.
+ if (empty($rule_map) || empty($sid_mods))
+ return $sids;
+
+ // Validate the action keyword as we only accept
+ // 'enable' and 'disable' as valid.
+ switch ($action) {
+
+ case "enable":
+ break;
+
+ case "disable":
+ break;
+
+ default:
+ log_error(gettext("[Snort] Error - unknown action '{$action}' supplied to snort_modify_sid_state() function...no SIDs modified."));
+ return $sids;
+ }
+
+ // Walk the SID mod tokens and decode each one
+ foreach ($sid_mods as $tok) {
+ $matches = array();
+ // Test the SID token for a GID:SID range
+ if (preg_match('/^(\d+):(\d+)-\1:(\d+)/', $tok, $matches)) {
+ // It was a range, so find all the intervening SIDs
+ $gid = trim($matches[1]);
+ $lsid = trim($matches[2]);
+ $usid = trim($matches[3]);
+ $sids[$gid][$lsid] = $action;
+ while ($lsid < $usid) {
+ $lsid++;
+ $sids[$gid][$lsid] = $action;
+ }
+ }
+ // Test the SID token for a single GID:SID
+ elseif (preg_match('/^(\d+):(\d+)$/', $tok, $matches)) {
+ // It's a single GID:SID, so grab it
+ $sids[$matches[1]][$matches[2]] = $action;
+ }
+ // Test the SID token for the PCRE: keyword
+ elseif (preg_match('/(^pcre\:)(.+)/i', $tok, $matches)) {
+ $regex = '/' . preg_quote($matches[2], '/') . '/i';
+
+ // Now search through the $rule_map in the 'rule'
+ // element for any matches to the regex and get
+ // the GID:SID.
+ foreach ($rule_map as $k1 => $rulem) {
+ foreach ($rulem as $k2 => $v) {
+ if (preg_match($regex, $v['rule'])) {
+ $sids[$k1][$k2] = $action;
+ }
+ }
+ }
+ }
+ // Test the SID token for the MS reference keyword
+ elseif (preg_match('/^MS\d+-.+/i', $tok, $matches)) {
+ $regex = "/" . preg_quote($matches[0], '/') . "/i";
+
+ // Now search through the $rule_map in the 'rule'
+ // element for any matches to the regex and get
+ // the GID:SID.
+ foreach ($rule_map as $k1 => $rulem) {
+ foreach ($rulem as $k2 => $v) {
+ if (preg_match($regex, $v['rule'])) {
+ $sids[$k1][$k2] = $action;
+ }
+ }
+ }
+ }
+ // Test the SID token for other keywords delimited with a colon
+ elseif (preg_match('/^[a-xA-X]+\:.+/', $tok, $matches)) {
+ $regex = "/" . str_replace(':', ",", preg_quote($matches[0], '/')) . "/i";
+
+ // Now search through the $rule_map in the 'rule'
+ // element for any matches to the regex and get
+ // the GID:SID.
+ foreach ($rule_map as $k1 => $rulem) {
+ foreach ($rulem as $k2 => $v) {
+ if (preg_match($regex, $v['rule'])) {
+ $sids[$k1][$k2] = $action;
+ }
+ }
+ }
+ }
+ // Test the SID token for a rule category name. Anything that
+ // failed to match above is considered a potential category name.
+ elseif (preg_match('/[a-xA-X]+(-|\w).*/', $tok, $matches)) {
+ $regex = "/" . preg_quote(trim($matches[0]), '/') . "/i";
+ // Now search through the $rule_map in the 'category'
+ // element for any matches to the regex and get
+ // the GID:SID.
+ foreach ($rule_map as $k1 => $rulem) {
+ foreach ($rulem as $k2 => $v) {
+ if (preg_match($regex, $v['category'] . ".rules")) {
+ $sids[$k1][$k2] = $action;
+ }
+ }
+ }
+ }
+ else {
+ if ($log_results == TRUE && !empty($log_file))
+ error_log(gettext("WARNING: unrecognized token '{$tok}' encountered while processing an automatic SID MGMT file.\n"), 3, $log_file);
+ }
+ }
+
+ // Change state of all the matching GID:SID pairs we found
+ // above in the $rule_map array passed to us.
+ $modcount = $changecount = 0;
+ $counter = count($sids, COUNT_RECURSIVE) - count($sids);
+
+ if ($log_results == TRUE && !empty($log_file))
+ error_log(gettext(" Parsed {$counter} potential SIDs to match from the provided list of tokens.\n"), 3, $log_file);
+
+ foreach (array_keys($sids) as $k1) {
+ foreach (array_keys($sids[$k1]) as $k2) {
+ if (isset($rule_map[$k1][$k2])) {
+ if ($action == 'enable' && $rule_map[$k1][$k2]['disabled'] == 1) {
+ $rule_map[$k1][$k2]['rule'] = ltrim($rule_map[$k1][$k2]['rule'], " \t#");
+ $rule_map[$k1][$k2]['disabled'] = 0;
+ $rule_map[$k1][$k2]['managed'] = 1;
+ $changecount++;
+ $modcount++;
+ }
+ elseif ($action == 'disable' && $rule_map[$k1][$k2]['disabled'] == 0) {
+ $rule_map[$k1][$k2]['rule'] = "# " . $rule_map[$k1][$k2]['rule'];
+ $rule_map[$k1][$k2]['disabled'] = 1;
+ $rule_map[$k1][$k2]['managed'] = 1;
+ $changecount++;
+ $modcount++;
+ }
+ }
+ }
+ }
+
+ if ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext(" Found {$modcount} matching SIDs in the active rules.\n"), 3, $log_file);
+ error_log(gettext(" Changed state for {$changecount} SIDs to '{$action}d'.\n"), 3, $log_file);
+ }
+
+ // Return the array of matching SIDs
+ return $sids;
+}
+
+function snort_modify_sid_content(&$rule_map, $sid_mods, $log_results = FALSE, $log_file = NULL) {
+
+ /************************************************/
+ /* This function walks the provided array of */
+ /* SID modification tokens and locates the */
+ /* target SID or SIDs in the $rule_map array. */
+ /* It then modifies the content of the target */
+ /* SID or SIDs. Modifications are only valid */
+ /* for normal GID=1 text rules. */
+ /* */
+ /* $rule_map ==> reference to array of */
+ /* current rules */
+ /* $sid_mods ==> array of SID modification */
+ /* tokens */
+ /* $log_results ==> [optional] 'yes' to log */
+ /* results to $log_file */
+ /* $log_file ==> full path and filename */
+ /* of log file to write to */
+ /* */
+ /* On Return ==> $rule_map array modified */
+ /* by changing content for */
+ /* matching SIDs. */
+ /* */
+ /* Returns a two-dimension */
+ /* array of matching */
+ /* GID:SID pairs. */
+ /************************************************/
+
+ $sids = array();
+ $tokencounter = $modcount = $modifiedcount = 0;
+
+ // If no rules in $rule_map or mods in $sid_mods,
+ // then nothing to do.
+ if (empty($rule_map) || empty($sid_mods))
+ return $sids;
+
+ // Walk the SID mod tokens and decode each one
+ foreach ($sid_mods as $tok) {
+ $matches = array();
+ if (preg_match('/([\d+|,|\*]*)\s+"(.+)"\s+"(.*)"/', $tok, $matches)) {
+ $tokencounter++;
+ $sidlist = explode(",", $matches[1]);
+ $from = '/' . preg_quote($matches[2], '/') . '/';
+ $to = $matches[3];
+ $count = 0;
+
+ // Now walk the provided rule map and make the modifications
+ if ($matches[1] == "*") {
+ // If wildcard '*' provided for SID, then check them all
+ foreach ($rule_map[1] as $rulem) {
+ foreach ($rulem as $k2 => $v) {
+ $modcount++;
+ $rule_map[1][$k2]['rule'] = preg_replace($from, $to, $v['rule'], -1, $count);
+ if ($count > 0) {
+ $rule_map[1][$k2]['managed'] = 1;
+ $sids[1][$k2] = 'modify';
+ $modifiedcount++;
+ }
+ }
+ }
+ }
+ else {
+ // Otherwise just check the provided SIDs
+ foreach ($sidlist as $sid) {
+ if (isset($rule_map[1][$sid])) {
+ $modcount++;
+ $rule_map[1][$sid]['rule'] = preg_replace($from, $to, $rule_map[1][$sid]['rule'], -1, $count);
+ if ($count > 0) {
+ $rule_map[1][$sid]['managed'] = 1;
+ $sids[1][$sid] = 'modify';
+ $modifiedcount++;
+ }
+ }
+ }
+ }
+ }
+ else {
+ if ($log_results == TRUE && !empty($log_file))
+ error_log(gettext("WARNING: unrecognized token '{$tok}' encountered while processing an automatic SID MGMT file.\n"), 3, $log_file);
+ }
+ }
+
+ if ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext(" Parsed {$tokencounter} potential SIDs to match from the provided list of tokens.\n"), 3, $log_file);
+ error_log(gettext(" Found {$modcount} matching SIDs in the active rules.\n"), 3, $log_file);
+ error_log(gettext(" Modified rule text for {$modifiedcount} SIDs.\n"), 3, $log_file);
+ }
+
+ // Return the array of matching SIDs
+ return $sids;
+}
+
+function snort_process_enablesid(&$rule_map, $snortcfg, $log_results = FALSE, $log_file = NULL) {
+
+ /**********************************************/
+ /* This function loads and processes the file */
+ /* specified by 'enable_sid_file' for the */
+ /* interface. The file is assumed to be a */
+ /* valid enablesid.conf file containing */
+ /* instructions for enabling matching rule */
+ /* SIDs. */
+ /* */
+ /* $rule_map ==> reference to array of */
+ /* current rules */
+ /* $snortcfg ==> interface config params */
+ /* $log_results ==> [optional] 'yes' to log */
+ /* results to $log_file */
+ /* $log_file ==> full path and filename */
+ /* of log file to write to */
+ /* */
+ /* On Return ==> suitably modified */
+ /* $rule_map array */
+ /**********************************************/
+
+ $snort_sidmods_dir = SID_MODS_PATH;
+ $snortlogdir = SNORTLOGDIR;
+ $sid_mods = array();
+
+ // If no rules in $rule_map, then nothing to do
+ if (empty($rule_map))
+ return;
+
+ // Attempt to open the 'enable_sid_file' for the interface
+ if (!file_exists("{$snort_sidmods_dir}{$snortcfg['enable_sid_file']}")) {
+ log_error(gettext("[Snort] Error - unable to open 'enable_sid_file' \"{$snortcfg['enable_sid_file']}\" specified for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ return;
+ }
+ else
+ $sid_mods = snort_parse_sidconf_file("{$snort_sidmods_dir}{$snortcfg['enable_sid_file']}");
+
+ if (!empty($sid_mods))
+ snort_modify_sid_state($rule_map, $sid_mods, "enable", $log_results, $log_file);
+ elseif ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext("WARNING: no valid SID match tokens found in file \"{$snortcfg['enable_sid_file']}\".\n"), 3, $log_file);
+ }
+
+ unset($sid_mods);
+}
+
+function snort_process_disablesid(&$rule_map, $snortcfg, $log_results = FALSE, $log_file = NULL) {
+
+ /**********************************************/
+ /* This function loads and processes the file */
+ /* specified by 'disable_sid_file' for the */
+ /* interface. The file is assumed to be a */
+ /* valid disablesid.conf file containing */
+ /* instructions for disabling matching rule */
+ /* SIDs. */
+ /* */
+ /* $rule_map ==> reference to array of */
+ /* current rules */
+ /* $snortcfg ==> interface config params */
+ /* $log_results ==> [optional] 'yes' to log */
+ /* results to $log_file */
+ /* $log_file ==> full path and filename */
+ /* of log file to write to */
+ /* */
+ /* On Return ==> suitably modified */
+ /* $rule_map array */
+ /**********************************************/
+
+ $snort_sidmods_dir = SID_MODS_PATH;
+ $snortlogdir = SNORTLOGDIR;
+ $sid_mods = array();
+
+ // If no rules in $rule_map, then nothing to do
+ if (empty($rule_map))
+ return;
+
+ // Attempt to open the 'disable_sid_file' for the interface
+ if (!file_exists("{$snort_sidmods_dir}{$snortcfg['disable_sid_file']}")) {
+ log_error(gettext("[Snort] Error - unable to open 'disable_sid_file' \"{$snortcfg['disable_sid_file']}\" specified for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ return;
+ }
+ else
+ $sid_mods = snort_parse_sidconf_file("{$snort_sidmods_dir}{$snortcfg['disable_sid_file']}");
+
+ if (!empty($sid_mods))
+ snort_modify_sid_state($rule_map, $sid_mods, "disable", $log_results, $log_file);
+ elseif ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext("WARNING: no valid SID match tokens found in file \"{$snortcfg['disable_sid_file']}\".\n"), 3, $log_file);
+ }
+
+ unset($sid_mods);
+}
+
+function snort_process_modifysid(&$rule_map, $snortcfg, $log_results = FALSE, $log_file = NULL) {
+
+ /**********************************************/
+ /* This function loads and processes the file */
+ /* specified by 'modify_sid_file' for the */
+ /* interface. The file is assumed to be a */
+ /* valid modifysid.conf file containing */
+ /* instructions for modifying matching rule */
+ /* SIDs. */
+ /* */
+ /* $rule_map ==> reference to array of */
+ /* current rules */
+ /* $snortcfg ==> interface config params */
+ /* $log_results ==> [optional] 'yes' to log */
+ /* results to $log_file */
+ /* $log_file ==> full path and filename */
+ /* of log file to write to */
+ /* */
+ /* On Return ==> suitably modified */
+ /* $rule_map array */
+ /**********************************************/
+
+ $snort_sidmods_dir = SID_MODS_PATH;
+ $snortlogdir = SNORTLOGDIR;
+ $sid_mods = array();
+
+ // If no rules in $rule_map, then nothing to do
+ if (empty($rule_map))
+ return;
+
+ // Attempt to open the 'modify_sid_file' for the interface
+ if (!file_exists("{$snort_sidmods_dir}{$snortcfg['modify_sid_file']}")) {
+ log_error(gettext("[Snort] Error - unable to open 'modify_sid_file' \"{$snortcfg['modify_sid_file']}\" specified for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ return;
+ }
+ else
+ $sid_mods = snort_parse_sidconf_file("{$snort_sidmods_dir}{$snortcfg['modify_sid_file']}");
+
+ if (!empty($sid_mods))
+ snort_modify_sid_content($rule_map, $sid_mods, $log_results, $log_file);
+ elseif ($log_results == TRUE && !empty($log_file)) {
+ error_log(gettext("WARNING: no valid SID match tokens found in file \"{$snortcfg['modify_sid_file']}\".\n"), 3, $log_file);
+ }
+
+ unset($sid_mods);
+}
+
+function snort_auto_sid_mgmt(&$rule_map, $snortcfg, $log_results = FALSE) {
+
+ /**************************************************/
+ /* This function modifies the rules in the */
+ /* passed rule_map array based on values in the */
+ /* files 'enable_sid_file', 'disable_sid_file' */
+ /* and 'modify_sid_file' for the interface. */
+ /* */
+ /* If auto-mgmt of SIDs is enabled via the */
+ /* settings on the UPDATE RULES tab, then the */
+ /* rules are processed against these settings. */
+ /* */
+ /* $rule_map ==> array of current rules */
+ /* $snortcfg ==> interface config settings */
+ /* $log_results ==> [optional] log results to */
+ /* 'sid_changes.log' in the */
+ /* interface directory in */
+ /* /var/log/snort when TRUE */
+ /* */
+ /* Returns ==> TRUE if rules were changed; */
+ /* otherwise FALSE */
+ /**************************************************/
+
+ global $config;
+ $result = FALSE;
+
+ // Configure the interface's logging subdirectory if log results is enabled
+ if ($log_results == TRUE)
+ $log_file = SNORTLOGDIR . "/snort_" . get_real_interface($snortcfg['interface']) . "{$snortcfg['uuid']}/sid_changes.log";
+ else
+ $log_file = NULL;
+
+ // Check if auto-mgmt of SIDs is enabled and files are specified
+ // for the interface.
+ if ($config['installedpackages']['snortglobal']['auto_manage_sids'] == 'on' &&
+ (!empty($snortcfg['disable_sid_file']) || !empty($snortcfg['enable_sid_file']) ||
+ !empty($snortcfg['modify_sid_file']))) {
+ if ($log_results == TRUE) {
+ error_log(gettext("********************************************************\n"), 3, $log_file);
+ error_log(gettext("Starting auto SID management for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface']) ."\n"), 3, $log_file);
+ error_log(gettext("Start Time: " . date("Y-m-d H:i:s") . "\n"), 3, $log_file);
+ }
+
+ switch ($snortcfg['sid_state_order']) {
+ case "disable_enable":
+ if (!empty($snortcfg['disable_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing disable_sid file: {$snortcfg['disable_sid_file']}\n"), 3, $log_file);
+ snort_process_disablesid($rule_map, $snortcfg, $log_results, $log_file);
+ }
+ if (!empty($snortcfg['enable_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing enable_sid file: {$snortcfg['enable_sid_file']}\n"), 3, $log_file);
+ snort_process_enablesid($rule_map, $snortcfg, $log_results, $log_file);
+ }
+ if (!empty($snortcfg['modify_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing modify_sid file: {$snortcfg['modify_sid_file']}\n"), 3, $log_file);
+ snort_process_modifysid($rule_map, $snortcfg, $log_results, $log_file);
+ }
+ $result = TRUE;
+ break;
+
+ case "enable_disable":
+ if (!empty($snortcfg['enable_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing enable_sid file: {$snortcfg['enable_sid_file']}\n"), 3, $log_file);
+ snort_process_enablesid($rule_map, $snortcfg, $log_results, $log_file);
+ }
+ if (!empty($snortcfg['disable_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing disable_sid file: {$snortcfg['disable_sid_file']}\n"), 3, $log_file);
+ snort_process_disablesid($rule_map, $snortcfg, $log_results, $log_file);
+ }
+ if (!empty($snortcfg['modify_sid_file'])) {
+ if ($log_results == TRUE)
+ error_log(gettext("Processing modify_sid file: {$snortcfg['modify_sid_file']}\n"), 3, $log_file);
+ snort_process_modifysid($rule_map, $snortcfg, $log_results, $log_file);
+ }
+ $result = TRUE;
+ break;
+
+ default:
+ log_error(gettext("[Snort] Unrecognized 'sid_state_order' value. Skipping auto SID mgmt step for " . convert_friendly_interface_to_friendly_descr($snortcfg['interface'])));
+ if ($log_results == TRUE) {
+ error_log(gettext("ERROR: unrecognized 'sid_state_order' value. Skipping auto SID mgmt step for ") . convert_friendly_interface_to_friendly_descr($snortcfg['interface']). ".\n", 3, $log_file);
+ }
+ $result = FALSE;
+ }
+
+ if ($log_results == TRUE) {
+ error_log(gettext("End Time: " . date("Y-m-d H:i:s") . "\n"), 3, $log_file);
+ error_log(gettext("********************************************************\n\n"), 3, $log_file);
+ }
+ }
+ return $result;
+}
+
function snort_load_sid_mods($sids) {
/*****************************************/
@@ -2226,6 +3077,9 @@ function snort_prepare_rule_files($snortcfg, $snortcfgdir) {
$snortdir = SNORTDIR;
$flowbit_rules_file = FLOWBITS_FILENAME;
$snort_enforcing_rules_file = ENFORCING_RULES_FILENAME;
+ $enabled_files = array();
+ $all_rules = array();
+ $cat_mods = array();
$no_rules_defined = true;
$enabled_rules = array();
@@ -2236,6 +3090,10 @@ function snort_prepare_rule_files($snortcfg, $snortcfgdir) {
/* Log a message for rules rebuild in progress */
log_error(gettext("[Snort] Updating rules configuration for: " . convert_friendly_interface_to_friendly_descr($snortcfg['interface']) . " ..."));
+ // Get any automatic rule category enable/disable modifications
+ // if auto-SID Mgmt is enabled and conf files exist for the interface.
+ $cat_mods = snort_sid_mgmt_auto_categories($snortcfg, TRUE);
+
/* Enable all, some or none of the SDF rules depending on setting. */
if ($snortcfg['sensitive_data'] == 'on' && $snortcfg['protect_preproc_rules'] != 'on') {
if (file_exists(SNORTDIR."/preproc_rules/sensitive-data.rules")) {
@@ -2262,8 +3120,6 @@ function snort_prepare_rule_files($snortcfg, $snortcfgdir) {
/* Only rebuild rules if some are selected or an IPS Policy is enabled */
if (!empty($snortcfg['rulesets']) || $snortcfg['ips_policy_enable'] == 'on') {
- $enabled_files = array();
- $all_rules = array();
$no_rules_defined = false;
/* Load up all the text rules into a Rules Map array. */
@@ -2279,6 +3135,28 @@ function snort_prepare_rule_files($snortcfg, $snortcfgdir) {
$enabled_files[$category] = $file;
}
+ // Now adjust the list using any required changes as
+ // determined by auto-SID Mgmt policy files.
+ if (!empty($cat_mods)) {
+ foreach ($cat_mods as $k => $action) {
+ $key = basename($k, ".rules");
+ switch ($action) {
+ case 'enabled':
+ if (!isset($enabled_files[$key]))
+ $enabled_files[$key] = $k;
+ break;
+
+ case 'disabled':
+ if (isset($enabled_files[$key]))
+ unset($enabled_files[$key]);
+ break;
+
+ default:
+ break;
+ }
+ }
+ }
+
/****************************************************/
/* Walk the ALL_RULES map array and copy the rules */
/* matching our selected file categories to the */
@@ -2301,7 +3179,7 @@ function snort_prepare_rule_files($snortcfg, $snortcfgdir) {
}
/* Release memory we no longer need. */
- unset($enabled_files, $rulem, $v);
+ unset($enabled_files, $cat_mods, $rulem, $v);
}
/* Check if a pre-defined Snort VRT policy is selected. If so, */
@@ -2324,7 +3202,9 @@ function snort_prepare_rule_files($snortcfg, $snortcfgdir) {
unset($policy_rules, $policy, $p);
}
- /* Process any enablesid or disablesid modifications for the selected rules. */
+ // Process any enablesid or disablesid modifications for the selected rules.
+ // Do the auto-SID managment first, if enabled, then do any manual SID state changes.
+ snort_auto_sid_mgmt($enabled_rules, $snortcfg, TRUE);
snort_modify_sids($enabled_rules, $snortcfg);
/* Check for and disable any rules dependent upon disabled preprocessors if */
@@ -2357,7 +3237,45 @@ function snort_prepare_rule_files($snortcfg, $snortcfgdir) {
} else
/* Just put an empty file to always have the file present */
snort_write_flowbit_rules_file(array(), "{$snortcfgdir}/rules/{$flowbit_rules_file}");
- } else {
+ unset($all_rules);
+ }
+ // If no rule categories were enabled, then use auto-SID management if enabled, since it may enable some rules
+ elseif ($config['installedpackages']['snortglobal']['auto_manage_sids'] == 'on' &&
+ (!empty($snortcfg['disable_sid_file']) || !empty($snortcfg['enable_sid_file']) ||
+ !empty($snortcfg['modify_sid_file']))) {
+
+ snort_auto_sid_mgmt($enabled_rules, $snortcfg, TRUE);
+ if (!empty($enabled_rules)) {
+ // Auto-SID management generated some rules, so use them
+ $no_rules_defined = false;
+ snort_modify_sids($enabled_rules, $snortcfg);
+
+ // Write the enforcing rules file to the Suricata interface's "rules" directory.
+ snort_write_enforcing_rules_file($enabled_rules, "{$snortcfgdir}/rules/{$snort_enforcing_rules_file}");
+
+ // If auto-flowbit resolution is enabled, generate the dependent flowbits rules file.
+ if ($snortcfg['autoflowbitrules'] == 'on') {
+ log_error('[Suricata] Enabling any flowbit-required rules for: ' . convert_friendly_interface_to_friendly_descr($snortcfg['interface']) . '...');
+
+ // Load up all rules into a Rules Map array for flowbits assessment
+ $all_rules = snort_load_rules_map("{$snortdir}/rules/");
+ $fbits = snort_resolve_flowbits($all_rules, $enabled_rules);
+
+ // Check for and disable any flowbit-required rules the
+ // user has manually forced to a disabled state.
+ snort_modify_sids($fbits, $snortcfg);
+ snort_write_flowbit_rules_file($fbits, "{$snortcfgdir}/rules/{$flowbit_rules_file}");
+ unset($all_rules, $fbits);
+ } else
+ // Just put an empty file to always have the file present
+ snort_write_flowbit_rules_file(array(), "{$snortcfgdir}/rules/{$flowbit_rules_file}");
+ }
+ else {
+ snort_write_enforcing_rules_file(array(), "{$snortcfgdir}/rules/{$snort_enforcing_rules_file}");
+ snort_write_flowbit_rules_file(array(), "{$snortcfgdir}/rules/{$flowbit_rules_file}");
+ }
+ }
+ else {
/* No regular rules or policy were selected, so just use the decoder and preproc rules */
snort_write_enforcing_rules_file($enabled_rules, "{$snortcfgdir}/rules/{$snort_enforcing_rules_file}");
snort_write_flowbit_rules_file(array(), "{$snortcfgdir}/rules/{$flowbit_rules_file}");
diff --git a/config/snort/snort_rules.php b/config/snort/snort_rules.php
index 8d9aa6ba..013b7d84 100755
--- a/config/snort/snort_rules.php
+++ b/config/snort/snort_rules.php
@@ -109,6 +109,29 @@ $categories[] = "custom.rules";
$categories[] = "decoder.rules";
$categories[] = "preprocessor.rules";
$categories[] = "sensitive-data.rules";
+
+// Get any automatic rule category enable/disable modifications
+// if auto-SID Mgmt is enabled, and adjust the available rulesets
+// in the CATEGORY drop-down box as necessary.
+$cat_mods = snort_sid_mgmt_auto_categories($a_rule[$id], FALSE);
+foreach ($cat_mods as $k => $v) {
+ switch ($v) {
+ case 'disabled':
+ if (($key = array_search($k, $categories)) !== FALSE)
+ unset($categories[$key]);
+ break;
+
+ case 'enabled':
+ if (!in_array($k, $categories))
+ $categories[] = $k;
+ break;
+
+ default:
+ break;
+ }
+}
+
+// Add any enabled IPS-Policy and Auto-Flowbits File
if (!empty($a_rule[$id]['ips_policy']))
$categories[] = "IPS Policy - " . ucfirst($a_rule[$id]['ips_policy']);
if ($a_rule[$id]['autoflowbitrules'] == 'on')
@@ -146,6 +169,9 @@ if ($currentruleset != 'custom.rules') {
$input_errors[] = gettext("{$currentruleset} seems to be missing!!! Please verify rules files have been downloaded, then go to the Categories tab and save the rule set again.");
}
+/* Process the current category rules through any auto SID MGMT changes if enabled */
+snort_auto_sid_mgmt($rules_map, $a_rule[$id], FALSE);
+
/* Load up our enablesid and disablesid arrays with enabled or disabled SIDs */
$enablesid = snort_load_sid_mods($a_rule[$id]['rule_sid_on']);
$disablesid = snort_load_sid_mods($a_rule[$id]['rule_sid_off']);
@@ -356,6 +382,9 @@ elseif ($_POST['clear']) {
conf_mount_ro();
$rebuild_rules = false;
$pconfig['customrules'] = '';
+
+ // Sync to configured CARP slaves if any are enabled
+ snort_sync_on_changes();
}
elseif ($_POST['save']) {
$pconfig['customrules'] = $_POST['customrules'];
@@ -388,6 +417,9 @@ elseif ($_POST['save']) {
}
clear_subsystem_dirty('snort_rules');
+
+ // Sync to configured CARP slaves if any are enabled
+ snort_sync_on_changes();
}
else if ($_POST['apply']) {
/* Save new configuration */
@@ -408,6 +440,9 @@ else if ($_POST['apply']) {
// We have saved changes and done a soft restart, so clear "dirty" flag
clear_subsystem_dirty('snort_rules');
+
+ // Sync to configured CARP slaves if any are enabled
+ snort_sync_on_changes();
}
include_once("head.inc");
@@ -453,7 +488,8 @@ if ($savemsg) {
$tab_array[5] = array(gettext("Pass Lists"), false, "/snort/snort_passlist.php");
$tab_array[6] = array(gettext("Suppress"), false, "/snort/snort_interfaces_suppress.php");
$tab_array[7] = array(gettext("IP Lists"), false, "/snort/snort_ip_list_mgmt.php");
- $tab_array[8] = array(gettext("Sync"), false, "/pkg_edit.php?xml=snort/snort_sync.xml");
+ $tab_array[8] = array(gettext("SID Mgmt"), false, "/snort/snort_sid_mgmt.php");
+ $tab_array[9] = array(gettext("Sync"), false, "/pkg_edit.php?xml=snort/snort_sync.xml");
display_top_tabs($tab_array,true);
echo '</td></tr>';
echo '<tr><td class="tabnavtbl">';
@@ -614,17 +650,35 @@ if ($savemsg) {
</thead>
<tbody>
<?php
- $counter = $enable_cnt = $disable_cnt = 0;
+ $counter = $enable_cnt = $disable_cnt = $user_enable_cnt = $user_disable_cnt = $managed_count = 0;
foreach ($rules_map as $k1 => $rulem) {
foreach ($rulem as $k2 => $v) {
$sid = $k2;
$gid = $k1;
-
- if (isset($disablesid[$gid][$sid])) {
+ $ruleset = $currentruleset;
+ $style = "";
+
+ if ($v['managed'] == 1) {
+ if ($v['disabled'] == 1) {
+ $textss = "<span class=\"gray\">";
+ $textse = "</span>";
+ $style= "style=\"opacity: 0.4; filter: alpha(opacity=40);\"";
+ $title = gettext("Auto-disabled by settings on SID Mgmt tab");
+ }
+ else {
+ $textss = $textse = "";
+ $ruleset = "suricata.rules";
+ $title = gettext("Auto-managed by settings on SID Mgmt tab");
+ }
+ $iconb = "icon_advanced.gif";
+ $managed_count++;
+ }
+ elseif (isset($disablesid[$gid][$sid])) {
$textss = "<span class=\"gray\">";
$textse = "</span>";
$iconb = "icon_reject_d.gif";
$disable_cnt++;
+ $user_disable_cnt++;
$title = gettext("Disabled by user. Click to toggle to enabled state");
}
elseif (($v['disabled'] == 1) && (!isset($enablesid[$gid][$sid]))) {
@@ -638,6 +692,7 @@ if ($savemsg) {
$textss = $textse = "";
$iconb = "icon_reject.gif";
$enable_cnt++;
+ $user_enable_cnt++;
$title = gettext("Enabled by user. Click to toggle to disabled state");
}
else {
@@ -668,12 +723,18 @@ if ($savemsg) {
$message = snort_get_msg($v['rule']); // description field
$sid_tooltip = gettext("View the raw text for this rule");
- echo "<tr><td class=\"listt\" align=\"left\" valign=\"middle\">{$textss}
- <a id=\"rule_{$gid}_{$sid}\" href=''><input type=\"image\" onClick=\"document.getElementById('sid').value='{$sid}';
- document.getElementById('gid').value='{$gid}';\"
- src=\"../themes/{$g['theme']}/images/icons/{$iconb}\" width=\"11\" height=\"11\" border=\"0\"
- title='{$title}' name=\"toggle[]\"/></a>{$textse}
- </td>
+ echo "<tr><td class=\"listt\" style=\"align:center;\" valign=\"middle\">{$textss}";
+ if ($v['managed'] == 1) {
+ echo "<img {$style} src=\"../themes/{$g['theme']}/images/icons/{$iconb}\" width=\"11\" height=\"11\" border=\"0\"
+ title='{$title}'/>{$textse}";
+ }
+ else {
+ echo "<a id=\"rule_{$gid}_{$sid}\" href='#'><input type=\"image\" onClick=\"document.getElementById('sid').value='{$sid}';
+ document.getElementById('gid').value='{$gid}';\"
+ src=\"../themes/{$g['theme']}/images/icons/{$iconb}\" width=\"11\" height=\"11\" border=\"0\"
+ title='{$title}' name=\"toggle[]\"/></a>{$textse}";
+ }
+ echo "</td>
<td class=\"listr\" align=\"center\" ondblclick=\"wopen('snort_rules_edit.php?id={$id}&openruleset={$currentruleset}&sid={$sid}&gid={$gid}','FileViewer',800,600);\">
{$textss}{$gid}{$textse}
</td>
@@ -734,16 +795,35 @@ if ($savemsg) {
</thead>
<tbody>
<?php
- $counter = $enable_cnt = $disable_cnt = 0;
+ $counter = $enable_cnt = $disable_cnt = $user_enable_cnt = $user_disable_cnt = $managed_count = 0;
foreach ($rules_map as $k1 => $rulem) {
foreach ($rulem as $k2 => $v) {
+ $ruleset = $currentruleset;
+ $style = "";
$sid = snort_get_sid($v['rule']);
$gid = snort_get_gid($v['rule']);
- if (isset($disablesid[$gid][$sid])) {
+
+ if ($v['managed'] == 1) {
+ if ($v['disabled'] == 1) {
+ $textss = "<span class=\"gray\">";
+ $textse = "</span>";
+ $style= "style=\"opacity: 0.4; filter: alpha(opacity=40);\"";
+ $title = gettext("Auto-disabled by settings on SID Mgmt tab");
+ }
+ else {
+ $textss = $textse = "";
+ $ruleset = "suricata.rules";
+ $title = gettext("Auto-managed by settings on SID Mgmt tab");
+ }
+ $iconb = "icon_advanced.gif";
+ $managed_count++;
+ }
+ elseif (isset($disablesid[$gid][$sid])) {
$textss = "<span class=\"gray\">";
$textse = "</span>";
$iconb = "icon_reject_d.gif";
$disable_cnt++;
+ $user_disable_cnt++;
$title = gettext("Disabled by user. Click to toggle to enabled state");
}
elseif (($v['disabled'] == 1) && (!isset($enablesid[$gid][$sid]))) {
@@ -757,6 +837,7 @@ if ($savemsg) {
$textss = $textse = "";
$iconb = "icon_reject.gif";
$enable_cnt++;
+ $user_enable_cnt++;
$title = gettext("Enabled by user. Click to toggle to disabled state");
}
else {
@@ -777,12 +858,18 @@ if ($savemsg) {
else
$policy = "none";
- echo "<tr><td class=\"listt\" align=\"left\" valign=\"middle\">{$textss}
- <input type=\"image\" onClick=\"document.getElementById('sid').value='{$sid}';
- document.getElementById('gid').value='{$gid}';\"
- src=\"../themes/{$g['theme']}/images/icons/{$iconb}\" width=\"11\" height=\"11\" border=\"0\"
- title='{$title}' name=\"toggle[]\"/>{$textse}
- </td>
+ echo "<tr><td class=\"listt\" style=\"align:center;\" valign=\"middle\">{$textss}";
+ if ($v['managed'] == 1) {
+ echo "<img {$style} src=\"../themes/{$g['theme']}/images/icons/{$iconb}\" width=\"11\" height=\"11\" border=\"0\"
+ title='{$title}'/>{$textse}";
+ }
+ else {
+ echo "<a id=\"rule_{$gid}_{$sid}\" href='#'><input type=\"image\" onClick=\"document.getElementById('sid').value='{$sid}';
+ document.getElementById('gid').value='{$gid}';\"
+ src=\"../themes/{$g['theme']}/images/icons/{$iconb}\" width=\"11\" height=\"11\" border=\"0\"
+ title='{$title}' name=\"toggle[]\"/></a>{$textse}";
+ }
+ echo "</td>
<td class=\"listr\" align=\"center\" ondblclick=\"wopen('snort_rules_edit.php?id={$id}&openruleset={$currentruleset}&sid={$sid}&gid={$gid}','FileViewer',800,600);\">
{$textss}{$gid}{$textse}
</td>
@@ -824,7 +911,10 @@ if ($savemsg) {
<strong><?php echo gettext("--- Category Rules Summary ---") . "</strong><br/>" .
gettext("Total Rules: {$counter}") . "&nbsp;&nbsp;&nbsp;&nbsp;" .
gettext("Enabled: {$enable_cnt}") . "&nbsp;&nbsp;&nbsp;&nbsp;" .
- gettext("Disabled: {$disable_cnt}"); ?></td>
+ gettext("Disabled: {$disable_cnt}") . "&nbsp;&nbsp;&nbsp;&nbsp;" .
+ gettext("User Enabled: {$user_enable_cnt}") . "&nbsp;&nbsp;&nbsp;&nbsp;" .
+ gettext("User Disabled: {$user_disable_cnt}") . "&nbsp;&nbsp;&nbsp;&nbsp;" .
+ gettext("Auto-Managed: {$managed_count}"); ?></td>
</tr>
<tr>
<td width="16"><img src="../themes/<?= $g['theme']; ?>/images/icons/icon_block.gif"
@@ -846,6 +936,18 @@ if ($savemsg) {
width="11" height="11"></td>
<td nowrap><?php echo gettext("Rule changed to Disabled by user"); ?></td>
</tr>
+ <?php if (!empty($cat_mods)): ?>
+ <tr>
+ <td width="16"><img src="../themes/<?= $g['theme']; ?>/images/icons/icon_advanced.gif"
+ width="11" height="11"></td>
+ <td nowrap><?php echo gettext("Rule auto-enabled by files configured on SID Mgmt tab"); ?></td>
+ </tr>
+ <tr>
+ <td width="16"><img style="opacity: 0.4; filter: alpha(opacity=40);" src="../themes/<?= $g['theme']; ?>/images/icons/icon_advanced.gif"
+ width="11" height="11"></td>
+ <td nowrap><?php echo gettext("Rule auto-disabled by files configured on SID Mgmt tab"); ?></td>
+ </tr>
+ <?php endif; ?>
</table>
</td>
</tr>
diff --git a/config/snort/snort_rulesets.php b/config/snort/snort_rulesets.php
index 59fe6eef..23f9665b 100755
--- a/config/snort/snort_rulesets.php
+++ b/config/snort/snort_rulesets.php
@@ -172,6 +172,9 @@ if ($_POST["save"]) {
$enabled_rulesets_array = explode("||", $enabled_items);
if (snort_is_running($snort_uuid, $if_real))
$savemsg = gettext("Snort is 'live-reloading' the new rule set.");
+
+ // Sync to configured CARP slaves if any are enabled
+ snort_sync_on_changes();
}
if ($_POST['unselectall']) {
@@ -226,6 +229,10 @@ if ($_POST['selectall']) {
}
}
+// Get any automatic rule category enable/disable modifications
+// if auto-SID Mgmt is enabled.
+$cat_mods = snort_sid_mgmt_auto_categories($a_nat[$id], FALSE);
+
$if_friendly = convert_friendly_interface_to_friendly_descr($a_nat[$id]['interface']);
$pgtitle = gettext("Snort: Interface {$if_friendly} - Categories");
include_once("head.inc");
@@ -261,7 +268,8 @@ if ($savemsg) {
$tab_array[5] = array(gettext("Pass Lists"), false, "/snort/snort_passlist.php");
$tab_array[6] = array(gettext("Suppress"), false, "/snort/snort_interfaces_suppress.php");
$tab_array[7] = array(gettext("IP Lists"), false, "/snort/snort_ip_list_mgmt.php");
- $tab_array[8] = array(gettext("Sync"), false, "/pkg_edit.php?xml=snort/snort_sync.xml");
+ $tab_array[8] = array(gettext("SID Mgmt"), false, "/snort/snort_sid_mgmt.php");
+ $tab_array[9] = array(gettext("Sync"), false, "/pkg_edit.php?xml=snort/snort_sync.xml");
display_top_tabs($tab_array, true);
echo '</td></tr>';
echo '<tr><td class="tabnavtbl">';
@@ -389,14 +397,25 @@ if ($savemsg) {
</tr>
<tr>
<td colspan="6">
- <table width=90% align="center" border="0" cellpadding="2" cellspacing="0">
- <tr height="45px">
- <td valign="middle"><input value="Select All" class="formbtns" type="submit" name="selectall" id="selectall" title="<?php echo gettext("Add all categories to enforcing rules"); ?>"/></td>
- <td valign="middle"><input value="Unselect All" class="formbtns" type="submit" name="unselectall" id="unselectall" title="<?php echo gettext("Remove categories all from enforcing rules"); ?>"/></td>
- <td valign="middle"><input value=" Save " class="formbtns" type="submit" name="save" id="save" title="<?php echo gettext("Save changes to enforcing rules and rebuild"); ?>"/></td>
- <td valign="middle"><span class="vexpl"><?php echo gettext("Click to save changes and auto-resolve flowbit rules (if option is selected above)"); ?></span></td>
+ <table width="95%" style="margin-left: auto; margin-right: auto;" border="0" cellpadding="2" cellspacing="0">
+ <tbody>
+ <tr height="32px">
+ <td style="vertical-align: middle;"><input value="Select All" class="formbtns" type="submit" name="selectall" id="selectall" title="<?php echo gettext("Add all to enforcing rules"); ?>"/></td>
+ <td style="vertical-align: middle;"><input value="Unselect All" class="formbtns" type="submit" name="unselectall" id="unselectall" title="<?php echo gettext("Remove all from enforcing rules"); ?>"/></td>
+ <td style="vertical-align: middle;"><input value=" Save " class="formbtns" type="submit" name="save" id="save" title="<?php echo gettext("Save changes to enforcing rules and rebuild"); ?>"/></td>
+ <td style="vertical-align: middle;"><span class="vexpl"><?php echo gettext("Click to save changes and auto-resolve flowbit rules (if option is selected above)"); ?></span></td>
</tr>
+ <?php if (!empty($cat_mods)): ?>
+ <tr height="20px">
+ <td colspan="4" style="vertical-align: middle;"><img style="vertical-align: text-top;" src="../themes/<?=$g['theme'];?>/images/icons/icon_advanced.gif" width="11" height="11" border="0" />
+ <?=gettext("- Category is auto-enabled by SID Mgmt conf files");?>&nbsp;&nbsp;&nbsp;
+ <img style="opacity: 0.4; filter: alpha(opacity=40); vertical-align: text-top;" src="../themes/<?=$g['theme'];?>/images/icons/icon_advanced.gif" width="11" height="11" border="0" />
+ <?=gettext("- Category is auto-disabled by SID Mgmt conf files");?></td>
+ </tr>
+ <?php endif; ?>
+ </tbody>
</table>
+ </td>
</tr>
<?php if ($no_community_files)
$msg_community = "NOTE: Snort Community Rules have not been downloaded. Perform a Rules Update to enable them.";
@@ -409,22 +428,34 @@ if ($savemsg) {
<td width="5%" class="listhdrr"><?php echo gettext("Enabled"); ?></td>
<td colspan="5" class="listhdrr"><?php echo gettext('Ruleset: Snort GPLv2 Community Rules');?></td>
</tr>
- <?php if (in_array($community_rules_file, $enabled_rulesets_array)): ?>
+ <?php if (isset($cat_mods[$community_rules_file])): ?>
+ <?php if ($cat_mods[$community_rules_file] == 'enabled') : ?>
+ <tr>
+ <td width="5%" class="listr" style="text-align: center;">
+ <img src="../themes/<?=$g['theme'];?>/images/icons/icon_advanced.gif" width="11" height="11" border="0" title="<?=gettext("Auto-managed by settings on SID Mgmt tab");?>" /></td>
+ <td colspan="5" class="listr"><a href='suricata_rules.php?id=<?=$id;?>&openruleset=<?=$community_rules_file;?>'><?=gettext("{$msg_community}");?></a></td>
+ </tr>
+ <?php else: ?>
+ <tr>
+ <td width="5%" class="listr" style="text-align: center;">
+ <img style="opacity: 0.4; filter: alpha(opacity=40);" src="../themes/<?=$g['theme'];?>/images/icons/icon_advanced.gif" width="11" height="11" border="0" title="<?=gettext("Auto-managed by settings on SID Mgmt tab");?>" /></td>
+ <td colspan="5" class="listr"><?=gettext("{$msg_community}"); ?></td>
+ </tr>
+ <?php endif; ?>
+ <?php elseif (in_array($community_rules_file, $enabled_rulesets_array)): ?>
<tr>
- <td width="5" class="listr" align="center" valign="top">
+ <td width="5%" class="listr" style="text-align: center;">
<input type="checkbox" name="toenable[]" value="<?=$community_rules_file;?>" checked="checked"/></td>
- <td colspan="5" class="listr"><a href='snort_rules.php?id=<?=$id;?>&openruleset=<?=$community_rules_file;?>'><?php echo gettext("{$msg_community}"); ?></a></td>
+ <td colspan="5" class="listr"><a href='suricata_rules.php?id=<?=$id;?>&openruleset=<?=$community_rules_file;?>'><?php echo gettext("{$msg_community}"); ?></a></td>
</tr>
<?php else: ?>
<tr>
- <td width="5" class="listr" align="center" valign="top">
+ <td width="5%" class="listr" style="text-align: center;">
<input type="checkbox" name="toenable[]" value="<?=$community_rules_file;?>" <?php if ($snortcommunitydownload == 'off') echo "disabled"; ?>/></td>
<td colspan="5" class="listr"><?php echo gettext("{$msg_community}"); ?></td>
</tr>
-
<?php endif; ?>
<?php endif; ?>
-
<?php if ($no_emerging_files && ($emergingdownload == 'on' || $etpro == 'on'))
$msg_emerging = "have not been downloaded.";
else
@@ -489,15 +520,28 @@ if ($savemsg) {
echo "<tr>\n";
if (!empty($emergingrules[$j])) {
$file = $emergingrules[$j];
- echo "<td width='5%' class='listr' align=\"center\" valign=\"top\">";
+ echo "<td width='5%' class='listr' align=\"center\">";
if(is_array($enabled_rulesets_array)) {
- if(in_array($file, $enabled_rulesets_array))
+ if(in_array($file, $enabled_rulesets_array) && !isset($cat_mods[$file]))
$CHECKED = " checked=\"checked\"";
else
$CHECKED = "";
} else
$CHECKED = "";
- echo " \n<input type='checkbox' name='toenable[]' value='$file' {$CHECKED} />\n";
+ if (isset($cat_mods[$file])) {
+ if (in_array($file, $enabled_rulesets_array))
+ echo "<input type='hidden' name='toenable[]' value='{$file}' />\n";
+ if ($cat_mods[$file] == 'enabled') {
+ $CHECKED = "enabled";
+ echo " \n<img src=\"../themes/{$g['theme']}/images/icons/icon_advanced.gif\" width=\"11\" height=\"11\" border=\"0\" title=\"" . gettext("Auto-enabled by settings on SID Mgmt tab") . "\" />\n";
+ }
+ else {
+ echo " \n<img style=\"opacity: 0.4; filter: alpha(opacity=40);\" src=\"../themes/{$g['theme']}/images/icons/icon_advanced.gif\" width=\"11\" height=\"11\" border=\"0\" title=\"" . gettext("Auto-disabled by settings on SID Mgmt tab") . "\" />\n";
+ }
+ }
+ else {
+ echo " \n<input type='checkbox' name='toenable[]' value='{$file}' {$CHECKED} />\n";
+ }
echo "</td>\n";
echo "<td class='listr' width='25%' >\n";
if (empty($CHECKED))
@@ -510,17 +554,30 @@ if ($savemsg) {
if (!empty($snortrules[$j])) {
$file = $snortrules[$j];
- echo "<td class='listr' width='5%' align=\"center\" valign=\"top\">";
+ echo "<td class='listr' width='5%' align=\"center\">";
if(is_array($enabled_rulesets_array)) {
if (!empty($disable_vrt_rules))
$CHECKED = $disable_vrt_rules;
- elseif(in_array($file, $enabled_rulesets_array))
+ elseif(in_array($file, $enabled_rulesets_array) && !isset($cat_mods[$file]))
$CHECKED = " checked=\"checked\"";
else
$CHECKED = "";
} else
$CHECKED = "";
- echo " \n<input type='checkbox' name='toenable[]' value='{$file}' {$CHECKED} />\n";
+ if (isset($cat_mods[$file])) {
+ if (in_array($file, $enabled_rulesets_array))
+ echo "<input type='hidden' name='toenable[]' value='{$file}' />\n";
+ if ($cat_mods[$file] == 'enabled') {
+ $CHECKED = "enabled";
+ echo " \n<img src=\"../themes/{$g['theme']}/images/icons/icon_advanced.gif\" width=\"11\" height=\"11\" border=\"0\" title=\"" . gettext("Auto-enabled by settings on SID Mgmt tab") . "\" />\n";
+ }
+ else {
+ echo " \n<img style=\"opacity: 0.4; filter: alpha(opacity=40);\" src=\"../themes/{$g['theme']}/images/icons/icon_advanced.gif\" width=\"11\" height=\"11\" border=\"0\" title=\"" . gettext("Auto-disabled by settings on SID Mgmt tab") . "\" />\n";
+ }
+ }
+ else {
+ echo " \n<input type='checkbox' name='toenable[]' value='{$file}' {$CHECKED} />\n";
+ }
echo "</td>\n";
echo "<td class='listr' width='25%' >\n";
if (empty($CHECKED) || $CHECKED == "disabled")
@@ -530,22 +587,39 @@ if ($savemsg) {
echo "</td>\n";
} else
echo "<td class='listbggrey' width='30%' colspan='2'><br/></td>\n";
+
if (!empty($snortsorules[$j])) {
$file = $snortsorules[$j];
echo "<td class='listr' width='5%' align=\"center\" valign=\"top\">";
if(is_array($enabled_rulesets_array)) {
if (!empty($disable_vrt_rules))
$CHECKED = $disable_vrt_rules;
- elseif(in_array($file, $enabled_rulesets_array))
+ elseif(in_array($file, $enabled_rulesets_array) && !isset($cat_mods[$file]))
$CHECKED = " checked=\"checked\"";
else
$CHECKED = "";
} else
$CHECKED = "";
- echo " \n<input type='checkbox' name='toenable[]' value='{$file}' {$CHECKED} />\n";
+ if (isset($cat_mods[$file])) {
+ if (in_array($file, $enabled_rulesets_array))
+ echo "<input type='hidden' name='toenable[]' value='{$file}' />\n";
+ if ($cat_mods[$file] == 'enabled') {
+ $CHECKED = "enabled";
+ echo " \n<img src=\"../themes/{$g['theme']}/images/icons/icon_advanced.gif\" width=\"11\" height=\"11\" border=\"0\" title=\"" . gettext("Auto-enabled by settings on SID Mgmt tab") . "\" />\n";
+ }
+ else {
+ echo " \n<img style=\"opacity: 0.4; filter: alpha(opacity=40);\" src=\"../themes/{$g['theme']}/images/icons/icon_advanced.gif\" width=\"11\" height=\"11\" border=\"0\" title=\"" . gettext("Auto-disabled by settings on SID Mgmt tab") . "\" />\n";
+ }
+ }
+ else {
+ echo " \n<input type='checkbox' name='toenable[]' value='{$file}' {$CHECKED} />\n";
+ }
echo "</td>\n";
echo "<td class='listr' width='25%' >\n";
+ if (empty($CHECKED) || $CHECKED == "disabled")
echo $file;
+ else
+ echo "<a href='snort_rules.php?id={$id}&openruleset=" . urlencode($file) . "'>{$file}</a>\n";
echo "</td>\n";
} else
echo "<td class='listbggrey' width='30%' colspan='2'><br/></td>\n";
diff --git a/config/snort/snort_sid_mgmt.php b/config/snort/snort_sid_mgmt.php
new file mode 100644
index 00000000..5bc385c8
--- /dev/null
+++ b/config/snort/snort_sid_mgmt.php
@@ -0,0 +1,596 @@
+<?php
+/*
+ * snort_sid_mgmt.php
+ *
+ * Portions of this code are based on original work done for the
+ * Snort package for pfSense from the following contributors:
+ *
+ * Copyright (C) 2005 Bill Marquette <bill.marquette@gmail.com>.
+ * Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
+ * Copyright (C) 2006 Scott Ullrich
+ * Copyright (C) 2009 Robert Zelaya Sr. Developer
+ * Copyright (C) 2012 Ermal Luci
+ * 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, $config, $rebuild_rules;
+
+$snortdir = SNORTDIR;
+$pconfig = array();
+
+// Grab saved settings from configuration
+if (!is_array($config['installedpackages']['snortglobal']['rule']))
+ $config['installedpackages']['snortglobal']['rule'] = array();
+$a_nat = &$config['installedpackages']['snortglobal']['rule'];
+
+$pconfig['auto_manage_sids'] = $config['installedpackages']['snortglobal']['auto_manage_sids'];
+
+// Hard-code the path where SID Mods Lists are stored
+// and disregard any user-supplied path element.
+$sidmods_path = SID_MODS_PATH;
+
+// Set default to not show SID modification lists editor controls
+$sidmodlist_edit_style = "display: none;";
+
+if (!empty($_POST))
+ $pconfig = $_POST;
+
+function snort_is_sidmodslist_active($sidlist) {
+
+ /*****************************************************
+ * This function checks all the configured Snort *
+ * interfaces to see if the passed SID Mods List is *
+ * used by an interface. *
+ * *
+ * Returns: TRUE if List is in use *
+ * FALSE if List is not in use *
+ *****************************************************/
+
+ global $g, $config;
+
+ if (!is_array($config['installedpackages']['snortglobal']['rule']))
+ return FALSE;
+
+ foreach ($config['installedpackages']['snortglobal']['rule'] as $rule) {
+ if ($rule['enable_sid_file'] == $sidlist) {
+ return TRUE;
+ }
+ if ($rule['disable_sid_file'] == $sidlist) {
+ return TRUE;
+ }
+ if ($rule['modify_sid_file'] == $sidlist) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+if (isset($_POST['upload'])) {
+ if ($_FILES["sidmods_fileup"]["error"] == UPLOAD_ERR_OK) {
+ $tmp_name = $_FILES["sidmods_fileup"]["tmp_name"];
+ $name = basename($_FILES["sidmods_fileup"]["name"]);
+ move_uploaded_file($tmp_name, "{$sidmods_path}{$name}");
+ }
+ else
+ $input_errors[] = gettext("Failed to upload file {$_FILES["sidmods_fileup"]["name"]}");
+}
+
+if (isset($_POST['sidlist_delete']) && isset($_POST['sidlist_fname'])) {
+ if (!snort_is_sidmodslist_active(basename($_POST['sidlist_fname'])))
+ unlink_if_exists($sidmods_path . basename($_POST['sidlist_fname']));
+ else
+ $input_errors[] = gettext("This SID Mods List is currently assigned to an interface and cannot be deleted.");
+}
+
+if (isset($_POST['sidlist_edit']) && isset($_POST['sidlist_fname'])) {
+ $file = $sidmods_path . basename($_POST['sidlist_fname']);
+ $data = file_get_contents($file);
+ if ($data !== FALSE) {
+ $sidmodlist_data = htmlspecialchars($data);
+ $sidmodlist_edit_style = "display: table-row-group;";
+ $sidmodlist_name = basename($_POST['sidlist_fname']);
+ unset($data);
+ }
+ else {
+ $input_errors[] = gettext("An error occurred reading the file.");
+ }
+}
+
+if (isset($_POST['save']) && isset($_POST['sidlist_data'])) {
+ if (strlen(basename($_POST['sidlist_name'])) > 0) {
+ $file = $sidmods_path . basename($_POST['sidlist_name']);
+ $data = str_replace("\r\n", "\n", $_POST['sidlist_data']);
+ file_put_contents($file, $data);
+ unset($data);
+ }
+ else {
+ $input_errors[] = gettext("You must provide a valid filename for the SID Mods List.");
+ $sidmodlist_edit_style = "display: table-row-group;";
+ }
+}
+
+if (isset($_POST['save_auto_sid_conf'])) {
+ $config['installedpackages']['snortglobal']['auto_manage_sids'] = $pconfig['auto_manage_sids'] ? "on" : "off";
+
+ // Grab the SID Mods config for the interfaces from the form's controls array
+ foreach ($_POST['sid_state_order'] as $k => $v) {
+ $a_nat[$k]['sid_state_order'] = $v;
+ }
+ foreach ($_POST['enable_sid_file'] as $k => $v) {
+ if ($v == "None") {
+ unset($a_nat[$k]['enable_sid_file']);
+ continue;
+ }
+ $a_nat[$k]['enable_sid_file'] = $v;
+ }
+ foreach ($_POST['disable_sid_file'] as $k => $v) {
+ if ($v == "None") {
+ unset($a_nat[$k]['disable_sid_file']);
+ continue;
+ }
+ $a_nat[$k]['disable_sid_file'] = $v;
+ }
+ foreach ($_POST['modify_sid_file'] as $k => $v) {
+ if ($v == "None") {
+ unset($a_nat[$k]['modify_sid_file']);
+ continue;
+ }
+ $a_nat[$k]['modify_sid_file'] = $v;
+ }
+
+ // Write the new configuration
+ write_config("Snort pkg: updated automatic SID management settings.");
+
+ $intf_msg = "";
+
+ // If any interfaces were marked for restart, then do it
+ if (is_array($_POST['torestart'])) {
+ foreach ($_POST['torestart'] as $k) {
+ // Update the snort.conf file and
+ // rebuild rules for this interface.
+ $rebuild_rules = true;
+ conf_mount_rw();
+ snort_generate_conf($a_nat[$k]);
+ conf_mount_ro();
+ $rebuild_rules = false;
+
+ // Signal Snort to "live reload" the rules
+ snort_reload_config($a_nat[$k]);
+
+ $intf_msg .= convert_friendly_interface_to_friendly_descr($a_nat[$k]['interface']) . ", ";
+ }
+ $savemsg = gettext("Changes were applied to these interfaces: " . trim($intf_msg, ' ,') . " and Snort signaled to live-load the new rules.");
+
+ // Sync to configured CARP slaves if any are enabled
+ snort_sync_on_changes();
+ }
+}
+
+if (isset($_POST['sidlist_dnload']) && isset($_POST['sidlist_fname'])) {
+ $file = $sidmods_path . basename($_POST['sidlist_fname']);
+ if (file_exists($file)) {
+ ob_start(); //important or other posts will fail
+ if (isset($_SERVER['HTTPS'])) {
+ header('Pragma: ');
+ header('Cache-Control: ');
+ } else {
+ header("Pragma: private");
+ header("Cache-Control: private, must-revalidate");
+ }
+ header("Content-Type: application/octet-stream");
+ header("Content-length: " . filesize($file));
+ header("Content-disposition: attachment; filename = " . basename($file));
+ ob_end_clean(); //important or other post will fail
+ readfile($file);
+ }
+ else
+ $savemsg = gettext("Unable to locate the file specified!");
+}
+
+if (isset($_POST['sidlist_dnload_all_x'])) {
+ $save_date = exec('/bin/date "+%Y-%m-%d-%H-%M-%S"');
+ $file_name = "snort_sid_conf_files_{$save_date}.tar.gz";
+ exec("cd {$sidmods_path} && /usr/bin/tar -czf /tmp/{$file_name} *");
+
+ if (file_exists("/tmp/{$file_name}")) {
+ ob_start(); //important or other posts will fail
+ if (isset($_SERVER['HTTPS'])) {
+ header('Pragma: ');
+ header('Cache-Control: ');
+ } else {
+ header("Pragma: private");
+ header("Cache-Control: private, must-revalidate");
+ }
+ header("Content-Type: application/octet-stream");
+ header("Content-length: " . filesize("/tmp/{$file_name}"));
+ header("Content-disposition: attachment; filename = {$file_name}");
+ ob_end_clean(); //important or other post will fail
+ readfile("/tmp/{$file_name}");
+
+ // Clean up the temp file
+ @unlink("/tmp/{$file_name}");
+ }
+ else
+ $savemsg = gettext("An error occurred while creating the gzip archive!");
+}
+
+// Get all files in the SID Mods Lists sub-directory as an array
+// Leave this as the last thing before spewing the page HTML
+// so we can pick up any changes made to files in code above.
+$sidmodfiles = return_dir_as_array($sidmods_path);
+$sidmodselections = array_merge(Array( "None" ), $sidmodfiles);
+
+$pgtitle = gettext("Snort: SID Management");
+include_once("head.inc");
+
+?>
+
+<body link="#000000" vlink="#000000" alink="#000000">
+
+<?php
+include_once("fbegin.inc");
+
+/* Display Alert message, under form tag or no refresh */
+if ($input_errors)
+ print_input_errors($input_errors);
+?>
+
+<form action="snort_sid_mgmt.php" method="post" enctype="multipart/form-data" name="iform" id="iform">
+<input type="hidden" name="MAX_FILE_SIZE" value="100000000" />
+<input type="hidden" name="sidlist_fname" id="sidlist_fname" value=""/>
+
+<?php
+if ($savemsg) {
+ /* Display save message */
+ print_info_box($savemsg);
+}
+?>
+
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+ <tbody>
+ <tr><td>
+ <?php
+ $tab_array = array();
+ $tab_array[0] = array(gettext("Snort Interfaces"), false, "/snort/snort_interfaces.php");
+ $tab_array[1] = array(gettext("Global Settings"), false, "/snort/snort_interfaces_global.php");
+ $tab_array[2] = array(gettext("Updates"), false, "/snort/snort_download_updates.php");
+ $tab_array[3] = array(gettext("Alerts"), false, "/snort/snort_alerts.php");
+ $tab_array[4] = array(gettext("Blocked"), false, "/snort/snort_blocked.php");
+ $tab_array[5] = array(gettext("Pass Lists"), false, "/snort/snort_passlist.php");
+ $tab_array[6] = array(gettext("Suppress"), false, "/snort/snort_interfaces_suppress.php");
+ $tab_array[7] = array(gettext("IP Lists"), false, "/snort/snort_ip_list_mgmt.php");
+ $tab_array[8] = array(gettext("SID Mgmt"), true, "/snort/snort_sid_mgmt.php");
+ $tab_array[9] = array(gettext("Sync"), false, "/pkg_edit.php?xml=snort/snort_sync.xml");
+ display_top_tabs($tab_array, true);
+ ?>
+ </td></tr>
+ <tr><td>
+ <div id="mainarea">
+ <table id="maintable" class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">
+ <tbody>
+ <tr>
+ <td colspan="2" valign="top" class="listtopic"><?php echo gettext("General Settings"); ?></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?php echo gettext("Enable Automatic SID State Management"); ?></td>
+ <td width="78%" class="vtable"><input type="checkbox" id="auto_manage_sids" name="auto_manage_sids" value="on"
+ <?php if ($pconfig['auto_manage_sids'] == 'on') echo " checked"; ?> onclick="enable_sid_conf();" />&nbsp;<?=gettext("Enable automatic management of rule state ") .
+ gettext("and content using configuration files. Default is ") . "<strong>" . gettext("Not Checked") . "</strong>";?>.<br/><br/>
+ <?=gettext("Snort will automatically enable/disable/modify text rules upon each update using criteria specified in configuration files. ") .
+ gettext("The supported configuration file format is the same as that used in the PulledPork and Oinkmaster enablesid.conf, disablesid.conf and ") .
+ gettext("modifysid.conf files. You can either upload existing files or create your own."); ?>
+ </td>
+ </tr>
+ </tbody>
+ <tbody id="sid_conf_rows">
+ <tr>
+ <td colspan="2" valign="top" class="listtopic"><?php echo gettext("SID Management Configuration Files"); ?></td>
+ </tr>
+ <tr>
+ <td colspan="2" class="vtable" align="center" >
+ <table width="100%" border="0" cellpadding="4" cellspacing="0">
+ <tbody id="uploader" style="display: none;">
+ <tr>
+ <td class="list"><br/><?php echo gettext("Click BROWSE to select a file to import, and then click UPLOAD. Click CLOSE to quit."); ?></td>
+ </tr>
+ <tr>
+ <td class="list"><input type="file" name="sidmods_fileup" id="sidmods_fileup" class="formfld file" size="50" />
+ &nbsp;&nbsp;<input type="submit" name="upload" id="upload" value="<?=gettext("Upload");?>"
+ title="<?=gettext("Upload selected SID mods list to firewall");?>"/>&nbsp;&nbsp;<input type="button"
+ value="<?=gettext("Close");?>" onClick="document.getElementById('uploader').style.display='none';" /><br/></td>
+ <td class="list"></td>
+ </tr>
+ </tbody>
+ <tbody>
+ <tr>
+ <td>
+ <table id="maintable" width="100%" border="0" cellpadding="4" cellspacing="0">
+ <colgroup>
+ <col style="width: 45%;">
+ <col style="width: 25%;">
+ <col style="width: 15%;">
+ <col style="width: 15%;">
+ </colgroup>
+ <thead>
+ <tr>
+ <th class="listhdrr"><?php echo gettext("SID Mods List File Name"); ?></th>
+ <th class="listhdrr"><?php echo gettext("Last Modified Time"); ?></th>
+ <th class="listhdrr"><?php echo gettext("File Size"); ?></th>
+ <th class="list" align="left"><img style="cursor:pointer;" name="sidlist_new" id="sidlist_new"
+ src="../themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17"
+ height="17" border="0" title="<?php echo gettext('Create a new SID Mods List');?>"
+ onClick="document.getElementById('sidlist_data').value=''; document.getElementById('sidlist_name').value=''; document.getElementById('sidlist_editor').style.display='table-row-group'; document.getElementById('sidlist_name').focus();" />
+ <img style="cursor:pointer;" name="sidlist_import" id="sidlist_import"
+ onClick="document.getElementById('uploader').style.display='table-row-group';"
+ src="../themes/<?= $g['theme']; ?>/images/icons/icon_import_alias.gif" width="17"
+ height="17" border="0" title="<?php echo gettext('Import/Upload a SID Mods List');?>"/>
+ <input type="image" name="sidlist_dnload_all" id="sidlist_dnload_all"
+ src="../tree/page-file_play.gif" width="16" height="16" border="0"
+ title="<?php echo gettext('Download all SID Mods List files in a single gzip archive');?>"/>
+ </th>
+ </tr>
+ </thead>
+ <tbody>
+ <?php foreach ($sidmodfiles as $file): ?>
+ <tr>
+ <td class="listr"><?php echo gettext($file); ?></td>
+ <td class="listr"><?=date('M-d Y g:i a', filemtime("{$sidmods_path}{$file}")); ?></td>
+ <td class="listr"><?=format_bytes(filesize("{$sidmods_path}{$file}")); ?> </td>
+ <td class="list"><input type="image" name="sidlist_edit[]" id="sidlist_edit[]"
+ onClick="document.getElementById('sidlist_fname').value='<?=$file;?>';"
+ src="../themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17"
+ height="17" border="0" title="<?php echo gettext('Edit this SID Mods List');?>"/>
+ <input type="image" name="sidlist_delete[]" id="sidlist_delete[]"
+ onClick="document.getElementById('sidlist_fname').value='<?=$file;?>';
+ return confirm('<?=gettext("Are you sure you want to permanently delete this file? Click OK to continue or CANCEL to quit.");?>');"
+ src="../themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17"
+ height="17" border="0" title="<?php echo gettext('Delete this SID Mods List');?>"/>
+ <input type="image" name="sidlist_dnload[]" id="sidlist_dnload[]"
+ onClick="document.getElementById('sidlist_fname').value='<?=$file;?>';"
+ src="../tree/page-file_play.gif" width="16" height="16" border="0"
+ title="<?php echo gettext('Download this SID Mods List file');?>"/>
+ </td>
+ </tr>
+ <?php endforeach; ?>
+ </tbody>
+ <tbody id="sidlist_editor" style="<?=$sidmodlist_edit_style;?>">
+ <tr>
+ <td colspan="4">&nbsp;</td>
+ </tr>
+ <tr>
+ <td colspan="4"><strong><?=gettext("File Name: ");?></strong><input type="text" size="45" class="formfld file" id="sidlist_name" name="sidlist_name" value="<?=$sidmodlist_name;?>" />
+ &nbsp;&nbsp;<input type="submit" id="save" name="save" value="<?=gettext(" Save ");?>" title="<?=gettext("Save changes and close editor");?>" />
+ &nbsp;&nbsp;<input type="button" id="cancel" name="cancel" value="<?=gettext("Cancel");?>" onClick="document.getElementById('sidlist_editor').style.display='none';"
+ title="<?=gettext("Abandon changes and quit editor");?>" /></td>
+ </tr>
+ <tr>
+ <td colspan="4">&nbsp;</td>
+ </tr>
+ <tr>
+ <td colspan="4"><textarea wrap="off" cols="80" rows="20" name="sidlist_data" id="sidlist_data"
+ style="width:95%; height:100%;"><?=$sidmodlist_data;?></textarea>
+ </td>
+ </tr>
+ </tbody>
+ <tbody>
+ <tr>
+ <td colspan="3" class="vexpl"><br/><span class="red"><strong><?php echo gettext("Note:"); ?></strong></span>
+ <br/><?php echo gettext("SID Mods Lists are stored as local files on the firewall and their contents are " .
+ "not saved as part of the firewall configuration file."); ?></td>
+ <td class="list"></td>
+ </tr>
+ <tr>
+ <td colspan="3" class="vexpl"><br/><strong><?php echo gettext("File List Controls:"); ?></strong><br/><br/>
+ &nbsp;&nbsp;<img src="../themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" />
+ &nbsp;<?=gettext("Opens the editor window to create a new SID Mods List. You must provide a valid filename before saving.");?><br/>
+ &nbsp;&nbsp;<img src="../themes/<?= $g['theme']; ?>/images/icons/icon_import_alias.gif" width="17" height="17" border="0" />
+ &nbsp;<?=gettext("Opens the file upload control for uploading a new SID Mods List from your local machine.");?><br/>
+ &nbsp;&nbsp;<img src="../themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" />
+ &nbsp;<?=gettext("Opens the SID Mods List in a text edit control for viewing or editing its contents.");?><br/>
+ &nbsp;&nbsp;<img src="../themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" border="0" />
+ &nbsp;<?=gettext("Deletes the SID Mods List from the file system after confirmation.");?><br/>
+ &nbsp;&nbsp;<img src="../tree/page-file_play.gif" width="16" height="16" border="0" />
+ &nbsp;<?=gettext("Downloads the SID Mods List file to your local machine.");?><br/>
+ </td>
+ <td class="list"></td>
+ </tr>
+ </tbody>
+ </table>
+ </td>
+ </tr>
+ </tbody>
+ </table>
+ </td>
+ </tr>
+ <tr>
+ <td colspan="2" valign="top" class="listtopic"><?php echo gettext("Interface SID Management File Assignments"); ?></td>
+ </tr>
+ <tr>
+ <td colspan="2" class="vtable" align="center" >
+ <table width="100%" border="0" cellpadding="2" cellspacing="0">
+ <tbody>
+ <tr>
+ <td>
+ <table width="100%" border="0" cellpadding="0" cellspacing="0">
+ <colgroup>
+ <col width="4%" align="center">
+ <col width="20" align="center">
+ <col width="16%" align="center">
+ <col width="20%" align="center">
+ <col width="20%" align="center">
+ <col width="20%" align="center">
+ </colgroup>
+ <thead>
+ <tr>
+ <th class="listhdrr"><?=gettext("Rebuild"); ?></th>
+ <th class="listhdrr"><?=gettext("Interface"); ?></th>
+ <th class="listhdrr"><?=gettext("SID State Order"); ?></th>
+ <th class="listhdrr"><?=gettext("Enable SID File"); ?></th>
+ <th class="listhdrr"><?=gettext("Disable SID File"); ?></th>
+ <th class="listhdrr"><?=gettext("Modify SID File"); ?></th>
+ </tr>
+ </thead>
+ <tbody>
+ <?php foreach ($a_nat as $k => $natent): ?>
+ <tr>
+ <td class="listr" align="center">
+ <input type="checkbox" name="torestart[]" id="torestart[]" value="<?=$k;?>" title="<?=gettext("Apply new configuration and rebuild rules for this interface when saving");?>" />
+ </td>
+ <td class="listbg"><?=convert_friendly_interface_to_friendly_descr($natent['interface']); ?></td>
+ <td class="listr" align="center">
+ <select name="sid_state_order[<?=$k?>]" class="formselect" id="sid_state_order[<?=$k?>]">
+ <?php
+ foreach (array("disable_enable" => "Disable, Enable", "enable_disable" => "Enable, Disable") as $key => $order) {
+ if ($key == $natent['sid_state_order'])
+ echo "<option value='{$key}' selected>";
+ else
+ echo "<option value='{$key}'>";
+ echo htmlspecialchars($order) . '</option>';
+ }
+ ?>
+ </select>
+ </td>
+ <td class="listr" align="center">
+ <select name="enable_sid_file[<?=$k?>]" class="formselect" id="enable_sid_file[<?=$k?>]">
+ <?php
+ foreach ($sidmodselections as $choice) {
+ if ($choice == $natent['enable_sid_file'])
+ echo "<option value='{$choice}' selected>";
+ else
+ echo "<option value='{$choice}'>";
+ echo htmlspecialchars(gettext($choice)) . '</option>';
+ }
+ ?>
+ </select>
+ </td>
+ <td class="listr" align="center">
+ <select name="disable_sid_file[<?=$k?>]" class="formselect" id="disable_sid_file[<?=$k?>]">
+ <?php
+ foreach ($sidmodselections as $choice) {
+ if ($choice == $natent['disable_sid_file'])
+ echo "<option value='{$choice}' selected>";
+ else
+ echo "<option value='{$choice}'>";
+ echo htmlspecialchars(gettext($choice)) . '</option>';
+ }
+ ?>
+ </select>
+ </td>
+ <td class="listr" align="center">
+ <select name="modify_sid_file[<?=$k?>]" class="formselect" id="modify_sid_file[<?=$k?>]">
+ <?php
+ foreach ($sidmodselections as $choice) {
+ if ($choice == $natent['modify_sid_file'])
+ echo "<option value='{$choice}' selected>";
+ else
+ echo "<option value='{$choice}'>";
+ echo htmlspecialchars(gettext($choice)) . '</option>';
+ }
+ ?>
+ </select>
+ </td>
+ </tr>
+ <?php endforeach; ?>
+ </tbody>
+ </table>
+ </td>
+ </tr>
+ <tr>
+ <td class="vexpl">&nbsp;
+ </td>
+ </tr>
+ <tr>
+ <td>
+ <table width="100%" cellpadding="2" cellspacing="2" border="0">
+ <tbody>
+ <tr>
+ <td colspan="2" class="vexpl" style="text-align: bottom;"><strong><span class="red"><?=gettext("Notes:");?></span></strong></td>
+ </tr>
+ <tr>
+ <td class="vexpl" style="vertical-align: top;"><?=gettext("1.");?></td>
+ <td class="vexpl"><?=gettext("Check the box beside an interface to immediately apply new auto-SID management ") .
+ gettext("changes and signal Snort to live-load the new rules for the interface when clicking SAVE; ") .
+ gettext("otherwise only the new file assignments will be saved.");?>
+ </td>
+ </tr>
+ <tr>
+ <td class="vexpl" style="vertical-align: top;"><?=gettext("2.");?></td>
+ <td class="vexpl"><?=gettext("SID State Order controls the order in which enable and disable state modifications are performed. ") .
+ gettext("An example would be to disable an entire category and later enable only a rule or two from it. In this case you would ") .
+ gettext("choose 'disable,enable' for the State Order. Note that the last action performed takes priority.");?>
+ </td>
+ </tr>
+ <tr>
+ <td class="vexpl" style="vertical-align: top;"><?=gettext("3.");?></td>
+ <td class="vexpl"><?=gettext("The Enable SID File, Disable SID File and Modify SID File controls specify which rule modification ") .
+ gettext("files are run automatically for the interface. Setting a file control to 'None' disables that modification. ") .
+ gettext("Setting all file controls for an interface to 'None' disables automatic SID state management for the interface.");?>
+ </td>
+ </tr>
+ </tbody>
+ </table>
+ </td>
+ </tr>
+ </tbody>
+ </table>
+ </td>
+ </tr>
+ </tbody>
+ <tbody>
+ <tr>
+ <td colspan="2" class="vexpl" align="center"><input type="submit" id="save_auto_sid_conf" name="save_auto_sid_conf" class="formbtn" value="<?=gettext("Save");?>" title="<?=gettext("Save SID Management configuration");?>" />
+ &nbsp;&nbsp;<?=gettext("Remember to save changes before exiting this page"); ?>
+ </td>
+ </tr>
+ </tbody>
+ </table>
+ </div>
+ </td></tr>
+ </tbody>
+</table>
+</form>
+
+
+<?php include("fend.inc"); ?>
+<script type="text/javascript">
+
+function enable_sid_conf() {
+ var endis = !document.iform.auto_manage_sids.checked;
+ if (endis) {
+ document.getElementById("sid_conf_rows").style.display = "none";
+ }
+ else {
+ document.getElementById("sid_conf_rows").style.display = "";
+ }
+}
+
+enable_sid_conf();
+
+</script>
+</body>
+</html>