index 7ba77834a63a69d9e68c50027b0f85fdb5eb5651..1966462bf8b04b64b64935de471452f11860a6ca 100644 (file)
var $ocMapping= array();
var $groups= array();
var $result_cache =array();
+ var $ignoreACl = FALSE;
+ var $ACLperPath = array();
+ var $ACLperPath_usesFilter = array();
/* get acl's an put them into the userinfo object
attr subtreeACL (userdn:components, userdn:component1#sub1#sub2,component2,...) */
$this->uid= $attrs['uid'][0];
$this->ip= $_SERVER['REMOTE_ADDR'];
+ $this->ignoreACL = ($this->config->get_cfg_value("ignoreAcl") == $this->dn);
+
/* Initialize ACL_CACHE */
- session::set('ACL_CACHE',array());
$this->reset_acl_cache();
}
public function reset_acl_cache()
{
/* Initialize ACL_CACHE */
- session::set('ACL_CACHE',array());
+ session::global_set('ACL_CACHE',array());
}
function loadACL()
$this->ACL[$dn][$idx]= $type;
}
}
-
}
- }
+ /* Create an array which represenet all relevant permissions settings
+ per dn.
- function get_category_permissions($dn, $category, $any_acl = FALSE)
- {
- /* If we are forced to skip ACLs checks for the current user
- then return all permissions.
- */
- if($this->ignore_acl_for_current_user()){
- return("rwcdm");
- }
+ The array will look like this:
+
+ . ['ou=base'] ['ou=base'] = array(ACLs);
+ .
+ . ['ou=dep1,ou=base']['ou=dep1,ou=base'] = array(ACLs);
+ . ['ou=base'] = array(ACLs);
- /* Get list of objectClasses and get the permissions for it */
- $acl= "";
- if (isset($this->ocMapping[$category])){
- foreach($this->ocMapping[$category] as $oc){
- $acl.= $this->get_permissions($dn, $category."/".$oc);
- if($any_acl && !empty($acl)) return($acl);
+
+ For object located in 'ou=dep1,ou=base' we have to both ACLs,
+ for objects in 'ou=base' we only have to apply on ACL.
+ */
+ $without_self_acl = $all_acl = array();
+ foreach($this->ACL as $dn => $acl){
+ $sdn =$dn;
+ $first= TRUE; // Run at least once
+ while(strpos($dn,",") !== FALSE || $first){
+ $first = FALSE;
+ if(isset($this->ACL[$dn])){
+ $all_acl[$sdn][$dn] = $this->ACL[$dn];
+ $without_self_acl[$sdn][$dn] = $this->ACL[$dn];
+ foreach($without_self_acl[$sdn][$dn] as $acl_id => $acl_set){
+
+ /* Remember which ACL set has speicial user filter
+ */
+ if(isset($acl_set['filter']{1})){
+ $this->ACLperPath_usesFilter[$sdn] = TRUE;
+ }
+
+ /* Remove all acl entries which are especially for the current user (self acl)
+ */
+ foreach($acl_set['acl'] as $object => $object_acls){
+ if(strpos($object_acls[0],"s")){
+ unset($without_self_acl[$sdn][$dn][$acl_id]['acl'][$object]);
+ }
+ }
+ }
+ }
+ $dn = preg_replace("/^[^,]*+,/","",$dn);
}
- }else{
- trigger_error("ACL request for an invalid category (".$category.").");
+ }
+ $this->ACLperPath =$without_self_acl;
+
+ /* Append Self entry */
+ $dn = $this->dn;
+ while(strpos($dn,",") && !isset($all_acl[$dn])){
+ $dn = preg_replace("/^[^,]*+,/","",$dn);
}
+ if(isset($all_acl[$dn])){
+ $this->ACLperPath[$this->dn] = $all_acl[$dn];
+ }
+ }
- return ($acl);
+
+ function get_category_permissions($dn, $category, $any_acl = FALSE)
+ {
+ return(@$this->get_permissions($dn,$category.'/0',""));
}
if(!is_array($object)){
$object = array($object);
}
- $r = $w = $c = TRUE;
+ $r = $w = TRUE;
foreach($object as $category){
$w &= preg_match("/w/",$this->has_complete_category_acls($dn, $category));
- $c &= preg_match("/c/",$this->has_complete_category_acls($dn, $category));
$r &= preg_match("/r/",$this->has_complete_category_acls($dn, $category));
-# print_a(array($category => array($r.$w.$c)));
}
return($r && $w );
}
if(!is_array($object)){
$object = array($object);
}
- $r = $w = $c = TRUE;
+ $r = TRUE;
foreach($object as $category){
- $w &= preg_match("/w/",$this->has_complete_category_acls($dn, $category));
- $c &= preg_match("/c/",$this->has_complete_category_acls($dn, $category));
$r &= preg_match("/r/",$this->has_complete_category_acls($dn, $category));
-# print_a(array($category => array($r.$w.$c)));
}
return($r) ;
}
}
/* Push cache answer? */
- $ACL_CACHE = &session::get('ACL_CACHE');
+ $ACL_CACHE = &session::global_get('ACL_CACHE');
if (isset($ACL_CACHE["$dn+$object+$attribute"])){
-
- /* Remove write if needed */
- if ($skip_write){
- $ret = preg_replace('/w/', '', $ACL_CACHE["$dn+$object+$attribute"]);
- }else{
- $ret = $ACL_CACHE["$dn+$object+$attribute"];
- }
+ $ret = $ACL_CACHE["$dn+$object+$attribute"];
+ if($skip_write){
+ $ret = str_replace(array('w','c','d','m'), '',$ret);
+ }
return($ret);
}
+ /* Detect the set of ACLs we have to check for this object
+ */
+ $adn = $dn;
+ while(!isset($this->ACLperPath[$adn]) && strpos($adn,",") !== FALSE){
+ $adn = preg_replace("/^[^,]*+,/","",$adn);
+ }
+ if(isset($this->ACLperPath[$adn])){
+ $ACL = $this->ACLperPath[$adn];
+ }else{
+ $ACL_CACHE["$dn+$object+$attribute"] = "";
+ return("");
+ }
+
+ /* If we do not need to respect any user-filter settings
+ we can skip the per object ACL checks.
+ */
+ $orig_dn= $dn;
+ if(!isset($this->ACLperPath_usesFilter[$adn])){
+ $dn = $adn;
+ if (isset($ACL_CACHE["$dn+$object+$attribute"])){
+ $ret = $ACL_CACHE["$dn+$object+$attribute"];
+ if(!isset($ACL_CACHE["$orig_dn+$object+$attribute"])){
+ $ACL_CACHE["$orig_dn+$object+$attribute"] = $ACL_CACHE["$dn+$object+$attribute"];
+ }
+ if($skip_write){
+ $ret = str_replace('w','',$ret);
+ }
+ return($ret);
+ }
+ }
+
/* Get ldap object, for later filter checks
*/
$ldap = $this->config->get_ldap_link();
$cpath= $element.','.$cpath;
}
- if (isset($this->ACL[$cpath])){
+ if (isset($ACL[$cpath])){
/* Inspect this ACL, place the result into ACL */
- foreach ($this->ACL[$cpath] as $subacl){
+ foreach ($ACL[$cpath] as $subacl){
/* Reset? Just clean the ACL and turn over to the next one... */
if ($subacl['type'] == 'reset'){
/* With user filter */
if (isset($subacl['filter']) && !empty($subacl['filter'])){
- if(!$ldap->object_match_filter($dn,$subacl['filter'])){
+ $id = $dn."-".$subacl['filter'];
+ if(!isset($ACL_CACHE['FILTER'][$id])){
+ $ACL_CACHE['FILTER'][$id] = $ldap->object_match_filter($dn,$subacl['filter']);
+ }
+ if(!$ACL_CACHE['FILTER'][$id]){
continue;
}
}
/* Self ACLs?
*/
- if(isset($subacl['acl'][$object][0]) && preg_match("/s/",$subacl['acl'][$object][0]) && $dn != $this->dn){
+ if($dn != $this->dn && isset($subacl['acl'][$object][0]) && (strpos($subacl['acl'][$object][0],"s") !== FALSE)){
continue;
}
$acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl']['all'][0]);
continue;
}
+
+ /* Category ACLs (e.g. $object = "user/0")
+ */
+ if(strstr($object,"/0")){
+ $ocs = preg_replace("/\/0$/","",$object);
+ if(isset($this->ocMapping[$ocs])){
+
+ /* if $attribute is "", then check every single attribute for this object.
+ if it is 0, then just check the object category ACL.
+ */
+ if($attribute == ""){
+ foreach($this->ocMapping[$ocs] as $oc){
+ if (isset($subacl['acl'][$ocs.'/'.$oc])){
+
+ if($dn != $this->dn && strpos($subacl['acl'][$ocs.'/'.$oc][0],"s") !== FALSE) continue;
+
+ foreach($subacl['acl'][$ocs.'/'.$oc] as $attr => $dummy){
+ $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$ocs.'/'.$oc][$attr]);
+ }
+ continue;
+ }
+ }
+ }else{
+ if(isset($subacl['acl'][$ocs.'/'.$oc][0])){
+ if($dn != $this->dn && strpos($subacl['acl'][$ocs.'/'.$oc][0],"s") !== FALSE) continue;
+ $acl= $this->mergeACL($acl, $subacl['type'], $subacl['acl'][$ocs.'/'.$oc][0]);
+ }
+ }
+ }
+ continue;
+ }
}
}
}
}
$ACL_CACHE["$dn+$object+$attribute"]= $ret;
+ $ACL_CACHE["$orig_dn+$object+$attribute"]= $ret;
/* Remove write if needed */
if ($skip_write){
- $ret= preg_replace('/w/', '', $ret);
+ $ret = str_replace(array('w','c','d','m'), '',$ret);
}
return ($ret);
}
}
/* Use cached results if possilbe */
- $ACL_CACHE = session::get('ACL_CACHE');
+ $ACL_CACHE = &session::global_get('ACL_CACHE');
if(!is_array($module)){
$module = array($module);
foreach($info['acl'] as $cat => $data){
/* Skip self acls? */
- if($skip_self_acls && isset($data['0']) && strpos($data['0'], "s")) continue;
- if(preg_match("/^".normalizePreg($mod)."/",$cat)){
+ if($skip_self_acls && isset($data['0']) && (strpos($data['0'], "s") !== FALSE)) continue;
+ if(preg_match("/^".preg_quote($mod, '/')."/",$cat)){
$found =TRUE;
break;
}
$dn = preg_replace("/^[^,]+,/","",$dn);
}
if(isset($this->config->idepartments[$dn])){
- $deps[] = $dn;
+ $deps[$dn] = $dn;
}
}
}
/* For all gosaDepartments */
foreach ($this->config->departments as $dn){
- if(in_array($dn,$deps)) continue;
+ if(isset($deps[$dn])) continue;
$acl = "";
if(strpos($mod, '/')){
$acl.= $this->get_permissions($dn,$mod);
$acl.= $this->get_category_permissions($dn,$mod,TRUE);
}
if(!empty($acl)) {
- $deps[] = $dn;
+ $deps[$dn] = $dn;
}
}
$ACL_CACHE['MODULE_DEPARTMENTS'][$mod] = $deps;
- session::set('ACL_CACHE',$ACL_CACHE);
-
$res = array_merge($res,$deps);
- }
- return ($res);
+ }
+
+ return (array_values($res));
}
foreach(str_split($newACL) as $char){
+ /* Skip "self" ACLs without combination of rwcdm, they have no effect.
+ -self flag without read/write/create/...
+ */
+ if(empty($char)) continue;
+
/* Skip permanent and subtree entries */
if (preg_match('/[sp]/', $acl[$char])){
continue;
/* Skip objectClass '0' (e.g. users/0) get_permissions will ever return '' ?? */
if($oc == "0") continue;
$tmp = $this->get_permissions($dn, $category."/".$oc);
- for($i = 0 ; $i < strlen($types); $i++) {
+ for($i = 0, $l= strlen($types); $i < $l; $i++) {
if(!preg_match("/".$types[$i]."/",$tmp)){
$acl = preg_replace("/".$types[$i]."/","",$acl);
}
*/
function ignore_acl_for_current_user()
{
- return($this->config->get_cfg_value("ignoreAcl") == $this->dn);
+ return($this->ignoreACL);
}
}