X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=gosa-core%2Finclude%2Fclass_userinfo.inc;h=06a9648d1782d875d72483966014d5fc683af4be;hb=78a6813efd2f0b4eb471a688685a2abf1429ebf8;hp=8645b5aedd0f41706867708a54d981160e11ec94;hpb=2f01baffed9d4b17ec61c1aad2fcb4598c0f2632;p=gosa.git

diff --git a/gosa-core/include/class_userinfo.inc b/gosa-core/include/class_userinfo.inc
index 8645b5aed..06a9648d1 100644
--- a/gosa-core/include/class_userinfo.inc
+++ b/gosa-core/include/class_userinfo.inc
@@ -27,6 +27,7 @@ class userinfo
   var $username;
   var $cn;
   var $uid;
+  var $restrictions= array();
   var $gidNumber= -1;
   var $language= "";
   var $config;
@@ -36,14 +37,16 @@ class userinfo
   var $ocMapping= array();
   var $groups= array();
   var $result_cache =array();
-  var $ignoreACl = FALSE;
+  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,...) */
   function userinfo(&$config, $userdn){
     $this->config= &$config;
     $ldap= $this->config->get_ldap_link();
-    $ldap->cat($userdn,array('sn', 'givenName', 'uid', 'gidNumber', 'preferredLanguage', 'gosaUnitTag'));
+    $ldap->cat($userdn,array('sn', 'givenName', 'uid', 'gidNumber', 'preferredLanguage', 'gosaUnitTag', 'gosaLoginRestriction'));
     $attrs= $ldap->fetch();
 
     if (isset($attrs['givenName'][0]) && isset($attrs['sn'][0])){
@@ -55,6 +58,12 @@ class userinfo
       $this->gidNumber= $attrs['gidNumber'][0];
     }
 
+    /* Restrictions? */
+    if (isset($attrs['gosaLoginRestriction'])){
+      $this->restrictions= $attrs['gosaLoginRestriction'];
+      unset($this->restrictions['count']);
+    }
+
     /* Assign user language */
     if (isset($attrs['preferredLanguage'][0])){
       $this->language= $attrs['preferredLanguage'][0];
@@ -78,7 +87,7 @@ class userinfo
   public function reset_acl_cache()
   {
     /* Initialize ACL_CACHE */
-    session::set('ACL_CACHE',array());
+    session::global_set('ACL_CACHE',array());
   }
 
   function loadACL()
@@ -149,15 +158,16 @@ class userinfo
       foreach($aclc[$dn] as $idx => $type){
         $interresting= FALSE;
         
-        /* No members? This is good for all users... */
+        /* No members? This ACL rule is deactivated ... */
         if (!count($type['members'])){
-          $interresting= TRUE;
+          $interresting= FALSE; 
         } else {
 
           /* Inspect members... */
           foreach ($type['members'] as $grp => $grpdsc){
+
             /* Some group inside the members that is relevant for us? */
-            if (in_array_ics(preg_replace('/^G:/', '', $grp), $this->groups)){
+            if (in_array_ics(@LDAP::convert(preg_replace('/^G:/', '', $grp)), $this->groups)){
               $interresting= TRUE;
             }
 
@@ -175,42 +185,75 @@ class userinfo
           $this->ACL[$dn][$idx]= $type;
         }
       }
-
     }
-  }
 
+    /* Create an array which represenet all relevant permissions settings 
+        per dn.
 
-  function get_category_permissions($dn, $category, $any_acl = FALSE)
-  {
+      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);
 
-    $ACL_CACHE = &session::get("ACL_CACHE");
-    $id = $dn."+".$category."+".$any_acl;
-    if(isset($ACL_CACHE['CATEGORY_ACL'][$id])){
-      return($ACL_CACHE['CATEGORY_ACL'][$id]);
-    }
 
-    /* If we are forced to skip ACLs checks for the current user 
-        then return all permissions.
+      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.
      */
-    if($this->ignore_acl_for_current_user()){
-      return("rwcdm");
-    }
-
-    /* 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)){
-          break;
+    $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 => $object_acls){
+              if(isset($object_acls[0]) && 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);
     }
-    $ACL_CACHE = &session::get("ACL_CACHE");
-    $ACL_CACHE['CATEGORY_ACL'][$id] = $acl;
-    return ($acl);
+    if(isset($all_acl[$dn])){
+      $this->ACLperPath[$this->dn] = $all_acl[$dn];
+    }
+  }
+
+
+  /* Returns an array containing all target objects we've permssions on.
+   */
+  function get_acl_target_objects()
+  {
+    return(array_keys($this->ACLperPath));
+  }
+  
+
+  function get_category_permissions($dn, $category, $any_acl = FALSE)
+  {
+    return(@$this->get_permissions($dn,$category.'/0',""));
   }
 
   
@@ -262,12 +305,10 @@ class userinfo
     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 && $w ); 
   }  
@@ -283,12 +324,9 @@ class userinfo
     if(!is_array($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) ; 
   }  
@@ -307,18 +345,46 @@ class userinfo
     }
 
     /* 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();
@@ -344,10 +410,10 @@ class userinfo
         $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'){
@@ -373,7 +439,7 @@ class userinfo
 
           /* Self ACLs? 
            */
-          if($dn != $this->dn && isset($subacl['acl'][$object][0]) && strpos($subacl['acl'][$object][0],"s")){
+          if($dn != $this->dn && isset($subacl['acl'][$object][0]) && (strpos($subacl['acl'][$object][0],"s") !== FALSE)){
             continue;
           }
 
@@ -404,6 +470,37 @@ class userinfo
             $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;
+          }
         }
       }
     }
@@ -424,10 +521,11 @@ class userinfo
     }
 
     $ACL_CACHE["$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);
   }
@@ -445,7 +543,7 @@ class userinfo
     }
 
     /* 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);
@@ -468,8 +566,8 @@ class userinfo
           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;
             }
@@ -480,7 +578,7 @@ class userinfo
               $dn = preg_replace("/^[^,]+,/","",$dn);
             }
             if(isset($this->config->idepartments[$dn])){
-              $deps[] = $dn;
+              $deps[$dn] = $dn;
             }
           }
         }
@@ -488,7 +586,7 @@ class userinfo
 
       /* 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);
@@ -496,14 +594,15 @@ class userinfo
           $acl.=  $this->get_category_permissions($dn,$mod,TRUE);
         }
         if(!empty($acl)) {
-          $deps[] = $dn;
+          $deps[$dn] = $dn;
         }
       }
 
       $ACL_CACHE['MODULE_DEPARTMENTS'][$mod] = $deps;
       $res = array_merge($res,$deps);
-    } 
-    return ($res);
+    }
+
+    return (array_values($res));
   }
 
 
@@ -520,6 +619,11 @@ class userinfo
 
     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;
@@ -589,7 +693,7 @@ class userinfo
             /* 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);
               }
@@ -616,7 +720,52 @@ class userinfo
     return($this->ignoreACL);
   }
 
+
+  function loginAllowed()
+  {
+    // Need to check restrictions?
+    if (count($this->restrictions)){
+
+      // We have restrictions but cannot check them
+      if (!isset($_SERVER['REMOTE_ADDR'])){
+        return false;
+      }
+
+      // Move to binary...
+      $source= $_SERVER['REMOTE_ADDR'];
+      foreach ($this->restrictions as $restriction) {
+
+        // Single IP
+        if (preg_match('/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$/', $restriction)) {
+           if ($source == $restriction){
+             return true;
+           }
+        }
+
+        // Match with short netmask
+        if (preg_match('/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\/([0-9]+)$/', $restriction, $matches)) {
+          if (isIpInNet($source, $matches[1], long2ip(~(pow(2, (32-$matches[2]))-1)))) {
+            return true;
+          }
+        }
+
+        // Match with long netmask
+        if (preg_match('/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\/([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)$/', $restriction, $matches)) {
+          if (isIpInNet($source, $matches[1], $matches[2])) {
+            return true;
+          }
+        }
+
+      }
+
+      return false;
+    }
+
+    return true;
+  }
+
 }
 
+
 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 ?>