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unify_policies.php
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unify_policies.php
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<?php
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
function getFileList($directory, $recursive) {
$array_items = array();
if (false != ($handle = opendir($directory))) {
while (false !== ($file = readdir($handle))) {
if ($file != "." && $file != "..") {
if (is_dir($directory . "/" . $file)) {
if ($recursive) {
$array_items = array_merge($array_items, getFileList($directory . "/" . $file, $recursive));
}
$file = $directory . "/" . $file;
$array_items[] = preg_replace("/\/\//si", "/", $file);
} else {
$file = $directory . "/" . $file;
$array_items[] = preg_replace("/\/\//si", "/", $file);
}
}
}
closedir($handle);
}
return $array_items;
}
function object_to_array($obj) {
$arr = array();
$_arr = is_object($obj) ? get_object_vars($obj) : $obj;
foreach ($_arr as $key => $val) {
$val = (is_array($val) || is_object($val)) ? object_to_array($val) : $val;
$arr[$key] = $val;
}
return $arr;
}
function getGroupsNamePolicy($groups_policy_config){
$groups_name = array();
foreach ($groups_policy_config as $group_policy) {
$aux_var = explode('_', $group_policy);
$groups_name[] = sizeof($aux_var) == 1 ? $aux_var[0] : $aux_var[1];
}
return $groups_name;
}
function unifyGroupConfig($group_config){
$group_config_object = object_to_array(json_decode($group_config));
$user_groups = getGroupsNamePolicy($group_config_object['groups_user']);
$value_action = array(null => 0, 'log' => 1, 'alert' => 2, "block" => 3);
$value_severity = array(null => 0, 'low' => 1, 'medium' => 2, 'high' => 3);
$group_policy = array();
$group_policy['subconcepts'] = array();
foreach ($group_config_object['subconcepts'] as $subconcept_id => $subconcept_object) {
$subconcept = array();
$subconcept['id'] = $subconcept_id;
$subconcept['subconcept'] = $subconcept_object['subconcept'];
$subconcept['description'] = $subconcept_object['description'];
$subconcept['verify'] = $subconcept_object['verify'];
$subconcept['action'] = 'log';
$subconcept['severity'] = 'low';
$subconcept['policies_id'] = $subconcept_object['policies_id'];
foreach ($subconcept['policies_id'] as $policy_id) {
foreach ($user_groups as $user_group) {
if($value_action[$group_config_object['policies'][$policy_id][$user_group]['action']] > $value_action[$subconcept['action']]){
$subconcept['action'] = $group_config_object['policies'][$policy_id][$user_group]['action'];
$subconcept['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
} else {
if($value_severity[$group_config_object['policies'][$policy_id][$user_group]['severity']] > $value_severity[$subconcept['severity']]){
$subconcept['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
}
}
}
}
$group_policy['subconcepts'][] = $subconcept;
}
$group_policy['rules'] = array();
foreach ($group_config_object['rules'] as $rule_id => $rule_object) {
$rule = array();
$rule['id'] = $rule_id;
$rule['rule'] = $rule_object['rule'];
$rule['description'] = $rule_object['description'];
$rule['verify'] = isset($rule_object['verify']) ? $rule_object['verify'] : null;
$rule['action'] = 'log';
$rule['severity'] = 'low';
$rule['policies_id'] = $rule_object['policies_id'];
foreach ($rule['policies_id'] as $policy_id) {
foreach ($user_groups as $user_group) {
if($value_action[$group_config_object['policies'][$policy_id][$user_group]['action']] > $value_action[$rule['action']]){
$rule['action'] = $group_config_object['policies'][$policy_id][$user_group]['action'];
$rule['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
} else {
if($value_severity[$group_config_object['policies'][$policy_id][$user_group]['severity']] > $value_severity[$rule['severity']]){
$rule['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
}
}
}
}
$group_policy['rules'][] = $rule;
}
$group_policy['files'] = array();
foreach ($group_config_object['files'] as $file_id => $file_object) {
$file = array();
$file['id'] = $file_id;
$file['file'] = $file_object['name'];
$file['md5'] = $file_object['md5'];
$file['sha1'] = $file_object['sha1'];
$file['ssdeep'] = $file_object['ssdeep'];
$file['action'] = 'log';
$file['severity'] = 'low';
$file['policies_id'] = $file_object['policies_id'];
foreach ($file['policies_id'] as $policy_id) {
foreach ($user_groups as $user_group) {
if($value_action[$group_config_object['policies'][$policy_id][$user_group]['action']] > $value_action[$file['action']]){
$file['action'] = $group_config_object['policies'][$policy_id][$user_group]['action'];
$file['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
} else {
if($value_severity[$group_config_object['policies'][$policy_id][$user_group]['severity']] > $value_severity[$file['severity']]){
$file['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
}
}
}
}
$group_policy['files'][] = $file;
}
$group_policy['network_places'] = array();
foreach ($group_config_object['network_places'] as $network_place_id => $network_place_object) {
$network_place = array();
$network_place['id'] = $network_place_id;
$network_place['network_uri'] = $network_place_object['network_uri'];
$network_place['description'] = $network_place_object['description'];
$network_place['action'] = 'log';
$network_place['severity'] = 'low';
$network_place['policies_id'] = $network_place_object['policies_id'];
foreach ($network_place['policies_id'] as $policy_id) {
foreach ($user_groups as $user_group) {
if($value_action[$group_config_object['policies'][$policy_id][$user_group]['action']] > $value_action[$network_place['action']]){
$network_place['action'] = $group_config_object['policies'][$policy_id][$user_group]['action'];
$network_place['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
} else {
if($value_severity[$group_config_object['policies'][$policy_id][$user_group]['severity']] > $value_severity[$network_place['severity']]){
$network_place['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
}
}
}
}
$group_policy['network_places'][] = $network_place;
}
$group_policy['applications'] = array();
foreach ($group_config_object['applications'] as $application_id => $application_object) {
$application = array();
$application['id'] = $application_id;
$application['application'] = $application_object['application'];
$application['description'] = $application_object['description'];
$application['action'] = 'log';
$application['severity'] = 'low';
$application['policies_id'] = $application_object['policies_id'];
foreach ($application['policies_id'] as $policy_id) {
foreach ($user_groups as $user_group) {
if($value_action[$group_config_object['policies'][$policy_id][$user_group]['action']] > $value_action[$application['action']]){
$application['action'] = $group_config_object['policies'][$policy_id][$user_group]['action'];
$application['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
} else {
if($value_severity[$group_config_object['policies'][$policy_id][$user_group]['severity']] > $value_severity[$application['severity']]){
$application['severity'] = $group_config_object['policies'][$policy_id][$user_group]['severity'];
}
}
}
}
$group_policy['applications'][] = $application;
}
$group_policy['endpoint_modules'] = $group_config_object['endpoint_modules'];
$group_policy['mime_types'] = $group_config_object['mime_types'];
$group_policy['screenshot_severity'] = $group_config_object['screenshot_severity'];
$group_policy['block_encrypted'] = $group_config_object['block_encrypted'];
$group_policy['groups_user'] = $group_config_object['groups_user'];
return $group_policy;
}
function unifyGroups($group_files) {
$group_config = file_get_contents($group_files[0]);
$group_policy = unifyGroupConfig($group_config);
$subconcepts = $group_policy['subconcepts'];
$rules = $group_policy['rules'];
$files = $group_policy['files'];
$network_places = $group_policy['network_places'];
$applications = $group_policy['applications'];
$screenshot_severity = $group_policy['screenshot_severity'];
$block_encrypted = $group_policy['block_encrypted'];
$endpoint_modules = $group_policy['endpoint_modules'];
$mime_types = $group_policy['mime_types'];
$groups_user = $group_policy['groups_user'];
if (sizeof($group_files)) {
$value_action = array(null => 0, 'log' => 1, 'alert' => 2, "block" => 3);
$value_severity = array(null => 0, 'low' => 1, 'medium' => 2, 'high' => 3);
foreach (array_slice($group_files, 1) as $group_file) {
$group_config = file_get_contents($group_file);
$group_policy = unifyGroupConfig($group_config);
foreach ($group_policy['subconcepts'] as $subconcept) {
$add = true;
foreach ($subconcepts as &$element) {
if ($subconcept['id'] == $element['id']) {
$add = false;
if($value_action[$subconcept['action']] > $value_action[$element['action']]){
$element['action'] = $subconcept['action'];
$element['severity'] = $subconcept['severity'];
} else {
if($value_severity[$subconcept['severity']] > $value_severity[$element['severity']]){
$element['severity'] = $subconcept['severity'];
}
}
$element['policies_id'] = array_merge($element['policies_id'], $subconcept['policies_id']);
}
}
if ($add) {
$subconcepts[] = $subconcept;
}
}
foreach ($group_policy['rules'] as $rule) {
$add = true;
foreach ($rules as &$element) {
if ($rule['id'] == $element['id']) {
$add = false;
if($value_action[$rule['action']] > $value_action[$element['action']]){
$element['action'] = $rule['action'];
$element['severity'] = $rule['severity'];
} else {
if($value_severity[$rule['severity']] > $value_severity[$element['severity']]){
$element['severity'] = $rule['severity'];
}
}
$element['policies_id'] = array_merge($element['policies_id'], $rule['policies_id']);
}
}
if ($add) {
$rules[] = $rule;
}
}
foreach ($group_policy['files'] as $file) {
$add = true;
foreach ($files as &$element) {
if ($file['id'] == $element['id']) {
$add = false;
if($value_action[$file['action']] > $value_action[$element['action']]){
$element['action'] = $file['action'];
$element['severity'] = $file['severity'];
} else {
if($value_severity[$file['severity']] > $value_severity[$element['severity']]){
$element['severity'] = $file['severity'];
}
}
$element['policies_id'] = array_merge($element['policies_id'], $file['policies_id']);
}
}
if ($add) {
$files[] = $file;
}
}
foreach ($group_policy['network_places'] as $network_place) {
$add = true;
foreach ($network_places as &$element) {
if ($network_place['id'] == $element['id']) {
$add = false;
if($value_action[$network_place['action']] > $value_action[$element['action']]){
$element['action'] = $network_place['action'];
$element['severity'] = $network_place['severity'];
} else {
if($value_severity[$network_place['severity']] > $value_severity[$element['severity']]){
$element['severity'] = $network_place['severity'];
}
}
$element['policies_id'] = array_merge($element['policies_id'], $network_place['policies_id']);
}
}
if ($add) {
$network_places[] = $network_place;
}
}
foreach ($group_policy['applications'] as $application) {
$add = true;
foreach ($applications as &$element) {
if ($application['id'] == $element['id']) {
$add = false;
if($value_action[$application['action']] > $value_action[$element['action']]){
$element['action'] = $application['action'];
$element['severity'] = $application['severity'];
} else {
if($value_severity[$application['severity']] > $value_severity[$element['severity']]){
$element['severity'] = $application['severity'];
}
}
$element['policies_id'] = array_merge($element['policies_id'], $application['policies_id']);
}
}
if ($add) {
$applications[] = $application;
}
}
$block_encrypted = $block_encrypted * $group_policy['block_encrypted'];
$groups_user = array_merge($groups_user, $group_policy['groups_user']);
}
}
$final_policies = array();
$final_policies['subconcepts'] = $subconcepts;
$final_policies['rules'] = $rules;
$final_policies['files'] = $files;
$final_policies['network_places'] = $network_places;
$final_policies['applications'] = $applications;
$final_policies['screenshot_severity'] = $screenshot_severity;
$final_policies['block_encrypted'] = $block_encrypted;
$final_policies['endpoint_modules'] = $endpoint_modules;
$final_policies['mime_types'] = $mime_types;
$final_policies['groups_user'] = $groups_user;
return $final_policies;
}
function unify($user_dir) {
$user_groups = getFileList($user_dir, false);
if (sizeof($user_groups)) {
$user_policy = unifyGroups($user_groups);
echo json_encode($user_policy);
}
return 0;
}
function VerifyMatch($code, $match){
$code = base64_decode($code);
$match = base64_decode($match);
$return_val = false;
eval($code);
return $return_val;
}
/*
$code = 'ICAgICRzdW0gPSAwOw0KICAgICRhbHQgPSBmYWxzZTsNCiAgICBmb3IgKCRpID0gc3RybGVuKCRtYXRjaCkgLSAxOyAkaSA+PSAwOyAkaS0tKSB7DQogICAgICAgICRuID0gc3Vic3RyKCRtYXRjaCwgJGksIDEpOw0KICAgICAgICBpZiAoJGFsdCkgew0KICAgICAgICAgICAgJG4gKj0gMjsNCiAgICAgICAgICAgIGlmICgkbiA+IDkpIHsNCiAgICAgICAgICAgICAgICAkbiA9ICgkbiAlIDEwKSArIDE7DQogICAgICAgICAgICB9DQogICAgICAgIH0NCiAgICAgICAgJHN1bSArPSAkbjsNCiAgICAgICAgJGFsdCA9ICEkYWx0Ow0KICAgIH0NCg0KICAgICRyZXR1cm5fdmFsID0gKCRzdW0gJSAxMCA9PSAwKTs=';
$match = 'NDU3MTQ2OTAyMDAyMDA2OQ==';
$no_match = 'NDI0OTg2MzM5ODQ=';
if(VerifyMatch($code, $match)){
echo "\nvalid";
} else {
echo "\ninvalid";
}
*/
/*
unify($argv[1]);
*/
?>