/**
   * Process all ACIs under the "cn=config" naming context and adds them to the ACI list cache. It
   * also logs messages about the number of ACIs added to the cache. This method is called once at
   * startup. It will put the server in lockdown mode if needed.
   *
   * @throws InitializationException If there is an error searching for the ACIs in the naming
   *     context.
   */
  private void processConfigAcis() throws InitializationException {
    LinkedHashSet<String> requestAttrs = new LinkedHashSet<String>(1);
    requestAttrs.add("aci");
    LinkedList<Message> failedACIMsgs = new LinkedList<Message>();
    InternalClientConnection conn = InternalClientConnection.getRootConnection();

    ConfigHandler configBackend = DirectoryServer.getConfigHandler();
    for (DN baseDN : configBackend.getBaseDNs()) {
      try {
        if (!configBackend.entryExists(baseDN)) {
          continue;
        }
      } catch (Exception e) {
        if (debugEnabled()) {
          TRACER.debugCaught(DebugLogLevel.ERROR, e);
        }

        // FIXME -- Is there anything that we need to do here?
        continue;
      }

      try {
        InternalSearchOperation internalSearch =
            new InternalSearchOperation(
                conn,
                InternalClientConnection.nextOperationID(),
                InternalClientConnection.nextMessageID(),
                null,
                baseDN,
                SearchScope.WHOLE_SUBTREE,
                DereferencePolicy.NEVER_DEREF_ALIASES,
                0,
                0,
                false,
                SearchFilter.createFilterFromString("aci=*"),
                requestAttrs,
                null);
        LocalBackendSearchOperation localSearch = new LocalBackendSearchOperation(internalSearch);

        configBackend.search(localSearch);

        if (!internalSearch.getSearchEntries().isEmpty()) {
          int validAcis = aciList.addAci(internalSearch.getSearchEntries(), failedACIMsgs);
          if (!failedACIMsgs.isEmpty()) {
            aciListenerMgr.logMsgsSetLockDownMode(failedACIMsgs);
          }
          Message message =
              INFO_ACI_ADD_LIST_ACIS.get(Integer.toString(validAcis), String.valueOf(baseDN));
          logError(message);
        }
      } catch (Exception e) {
        Message message = INFO_ACI_HANDLER_FAIL_PROCESS_ACI.get();
        throw new InitializationException(message, e);
      }
    }
  }
 /**
  * Test the attribute types of the search filter for access. This method supports the search
  * right.
  *
  * @param container The container used in the access evaluation.
  * @param filter The filter to check access on.
  * @return True if all attribute types in the filter have access.
  * @throws DirectoryException If there is a problem matching the entry using the provided filter.
  */
 private boolean testFilter(AciLDAPOperationContainer container, SearchFilter filter)
     throws DirectoryException {
   boolean ret = true;
   // If the resource entry has a dn equal to "cn=debugsearch" and it
   // contains the special attribute type "debugsearchindex", then the
   // resource entry is a pseudo entry created for debug purposes.
   // Return true if that is the case.
   if (debugSearchIndexDN.equals(container.getResourceDN())
       && container.getResourceEntry().hasAttribute(debugSearchIndex)) {
     return true;
   }
   switch (filter.getFilterType()) {
     case AND:
     case OR:
       {
         for (SearchFilter f : filter.getFilterComponents()) {
           if (!testFilter(container, f)) {
             return false;
           }
         }
         break;
       }
     case NOT:
       {
         SearchFilter f = filter.getNotComponent();
         ret = testFilter(container, f);
         break;
       }
     default:
       {
         AttributeType attrType = filter.getAttributeType();
         container.setCurrentAttributeType(attrType);
         ret = accessAllowed(container);
       }
   }
   return ret;
 }
  /**
   * Handles any controls contained in the request.
   *
   * @throws DirectoryException If there is a problem with any of the request controls.
   */
  private void handleRequestControls() throws DirectoryException {
    LocalBackendWorkflowElement.removeAllDisallowedControls(baseDN, this);

    List<Control> requestControls = getRequestControls();
    if (requestControls != null && !requestControls.isEmpty()) {
      for (Control c : requestControls) {
        String oid = c.getOID();

        if (OID_LDAP_ASSERTION.equals(oid)) {
          LDAPAssertionRequestControl assertControl =
              getRequestControl(LDAPAssertionRequestControl.DECODER);

          SearchFilter assertionFilter;
          try {
            assertionFilter = assertControl.getSearchFilter();
          } catch (DirectoryException de) {
            if (debugEnabled()) {
              TRACER.debugCaught(DebugLogLevel.ERROR, de);
            }

            throw new DirectoryException(
                de.getResultCode(),
                ERR_SEARCH_CANNOT_PROCESS_ASSERTION_FILTER.get(de.getMessageObject()),
                de);
          }

          Entry entry;
          try {
            entry = DirectoryServer.getEntry(baseDN);
          } catch (DirectoryException de) {
            if (debugEnabled()) {
              TRACER.debugCaught(DebugLogLevel.ERROR, de);
            }

            throw new DirectoryException(
                de.getResultCode(),
                ERR_SEARCH_CANNOT_GET_ENTRY_FOR_ASSERTION.get(de.getMessageObject()));
          }

          if (entry == null) {
            throw new DirectoryException(
                ResultCode.NO_SUCH_OBJECT, ERR_SEARCH_NO_SUCH_ENTRY_FOR_ASSERTION.get());
          }

          // Check if the current user has permission to make
          // this determination.
          if (!AccessControlConfigManager.getInstance()
              .getAccessControlHandler()
              .isAllowed(this, entry, assertionFilter)) {
            throw new DirectoryException(
                ResultCode.INSUFFICIENT_ACCESS_RIGHTS,
                ERR_CONTROL_INSUFFICIENT_ACCESS_RIGHTS.get(oid));
          }

          try {
            if (!assertionFilter.matchesEntry(entry)) {
              throw new DirectoryException(
                  ResultCode.ASSERTION_FAILED, ERR_SEARCH_ASSERTION_FAILED.get());
            }
          } catch (DirectoryException de) {
            if (de.getResultCode() == ResultCode.ASSERTION_FAILED) {
              throw de;
            }

            if (debugEnabled()) {
              TRACER.debugCaught(DebugLogLevel.ERROR, de);
            }

            throw new DirectoryException(
                de.getResultCode(),
                ERR_SEARCH_CANNOT_PROCESS_ASSERTION_FILTER.get(de.getMessageObject()),
                de);
          }
        } else if (OID_PROXIED_AUTH_V1.equals(oid)) {
          // Log usage of legacy proxy authz V1 control.
          addAdditionalLogItem(
              AdditionalLogItem.keyOnly(getClass(), "obsoleteProxiedAuthzV1Control"));

          // The requester must have the PROXIED_AUTH privilege in order to be
          // able to use this control.
          if (!clientConnection.hasPrivilege(Privilege.PROXIED_AUTH, this)) {
            throw new DirectoryException(
                ResultCode.AUTHORIZATION_DENIED, ERR_PROXYAUTH_INSUFFICIENT_PRIVILEGES.get());
          }

          ProxiedAuthV1Control proxyControl = getRequestControl(ProxiedAuthV1Control.DECODER);

          Entry authorizationEntry = proxyControl.getAuthorizationEntry();
          setAuthorizationEntry(authorizationEntry);
          setProxiedAuthorizationDN(getDN(authorizationEntry));
        } else if (OID_PROXIED_AUTH_V2.equals(oid)) {
          // The requester must have the PROXIED_AUTH privilege in order to be
          // able to use this control.
          if (!clientConnection.hasPrivilege(Privilege.PROXIED_AUTH, this)) {
            throw new DirectoryException(
                ResultCode.AUTHORIZATION_DENIED, ERR_PROXYAUTH_INSUFFICIENT_PRIVILEGES.get());
          }

          ProxiedAuthV2Control proxyControl = getRequestControl(ProxiedAuthV2Control.DECODER);

          Entry authorizationEntry = proxyControl.getAuthorizationEntry();
          setAuthorizationEntry(authorizationEntry);
          setProxiedAuthorizationDN(getDN(authorizationEntry));
        } else if (OID_PERSISTENT_SEARCH.equals(oid)) {
          final PersistentSearchControl ctrl = getRequestControl(PersistentSearchControl.DECODER);

          persistentSearch =
              new PersistentSearch(
                  this, ctrl.getChangeTypes(), ctrl.getChangesOnly(), ctrl.getReturnECs());
        } else if (OID_LDAP_SUBENTRIES.equals(oid)) {
          SubentriesControl subentriesControl = getRequestControl(SubentriesControl.DECODER);
          setReturnSubentriesOnly(subentriesControl.getVisibility());
        } else if (OID_LDUP_SUBENTRIES.equals(oid)) {
          // Support for legacy draft-ietf-ldup-subentry.
          addAdditionalLogItem(AdditionalLogItem.keyOnly(getClass(), "obsoleteSubentryControl"));

          setReturnSubentriesOnly(true);
        } else if (OID_MATCHED_VALUES.equals(oid)) {
          MatchedValuesControl matchedValuesControl =
              getRequestControl(MatchedValuesControl.DECODER);
          setMatchedValuesControl(matchedValuesControl);
        } else if (OID_ACCOUNT_USABLE_CONTROL.equals(oid)) {
          setIncludeUsableControl(true);
        } else if (OID_REAL_ATTRS_ONLY.equals(oid)) {
          setRealAttributesOnly(true);
        } else if (OID_VIRTUAL_ATTRS_ONLY.equals(oid)) {
          setVirtualAttributesOnly(true);
        } else if (OID_GET_EFFECTIVE_RIGHTS.equals(oid)
            && DirectoryServer.isSupportedControl(OID_GET_EFFECTIVE_RIGHTS)) {
          // Do nothing here and let AciHandler deal with it.
        }
        // NYI -- Add support for additional controls.

        else if (c.isCritical() && !backendSupportsControl(oid)) {
          throw new DirectoryException(
              ResultCode.UNAVAILABLE_CRITICAL_EXTENSION,
              ERR_SEARCH_UNSUPPORTED_CRITICAL_CONTROL.get(oid));
        }
      }
    }
  }
  /** {@inheritDoc} */
  @Override
  public void search(SearchOperation searchOperation) throws DirectoryException {
    // Get the base entry for the search, if possible.  If it doesn't exist,
    // then this will throw an exception.
    DN baseDN = searchOperation.getBaseDN();
    Entry baseEntry = getEntry(baseDN);

    // Look at the base DN and see if it's the backup base DN, a backup
    // directory entry DN, or a backup entry DN.
    DN parentDN;
    SearchScope scope = searchOperation.getScope();
    SearchFilter filter = searchOperation.getFilter();
    if (backupBaseDN.equals(baseDN)) {
      if ((scope == SearchScope.BASE_OBJECT || scope == SearchScope.WHOLE_SUBTREE)
          && filter.matchesEntry(baseEntry)) {
        searchOperation.returnEntry(baseEntry, null);
      }

      if (scope != SearchScope.BASE_OBJECT && !backupDirectories.isEmpty()) {
        AttributeType backupPathType =
            DirectoryServer.getAttributeType(ATTR_BACKUP_DIRECTORY_PATH, true);
        for (File f : backupDirectories) {
          // Check to see if the descriptor file exists.  If not, then skip this
          // backup directory.
          File descriptorFile = new File(f, BACKUP_DIRECTORY_DESCRIPTOR_FILE);
          if (!descriptorFile.exists()) {
            continue;
          }

          DN backupDirDN = makeChildDN(backupBaseDN, backupPathType, f.getAbsolutePath());

          Entry backupDirEntry;
          try {
            backupDirEntry = getBackupDirectoryEntry(backupDirDN);
          } catch (Exception e) {
            if (debugEnabled()) {
              TRACER.debugCaught(DebugLogLevel.ERROR, e);
            }

            continue;
          }

          if (filter.matchesEntry(backupDirEntry)) {
            searchOperation.returnEntry(backupDirEntry, null);
          }

          if (scope != SearchScope.SINGLE_LEVEL) {
            List<Attribute> attrList = backupDirEntry.getAttribute(backupPathType);
            if (attrList != null && !attrList.isEmpty()) {
              for (AttributeValue v : attrList.get(0)) {
                try {
                  BackupDirectory backupDirectory =
                      BackupDirectory.readBackupDirectoryDescriptor(v.getValue().toString());
                  AttributeType idType = DirectoryServer.getAttributeType(ATTR_BACKUP_ID, true);
                  for (String backupID : backupDirectory.getBackups().keySet()) {
                    DN backupEntryDN = makeChildDN(backupDirDN, idType, backupID);
                    Entry backupEntry = getBackupEntry(backupEntryDN);
                    if (filter.matchesEntry(backupEntry)) {
                      searchOperation.returnEntry(backupEntry, null);
                    }
                  }
                } catch (Exception e) {
                  if (debugEnabled()) {
                    TRACER.debugCaught(DebugLogLevel.ERROR, e);
                  }

                  continue;
                }
              }
            }
          }
        }
      }
    } else if (backupBaseDN.equals(parentDN = baseDN.getParentDNInSuffix())) {
      Entry backupDirEntry = getBackupDirectoryEntry(baseDN);

      if ((scope == SearchScope.BASE_OBJECT || scope == SearchScope.WHOLE_SUBTREE)
          && filter.matchesEntry(backupDirEntry)) {
        searchOperation.returnEntry(backupDirEntry, null);
      }

      if (scope != SearchScope.BASE_OBJECT) {
        AttributeType t = DirectoryServer.getAttributeType(ATTR_BACKUP_DIRECTORY_PATH, true);
        List<Attribute> attrList = backupDirEntry.getAttribute(t);
        if (attrList != null && !attrList.isEmpty()) {
          for (AttributeValue v : attrList.get(0)) {
            try {
              BackupDirectory backupDirectory =
                  BackupDirectory.readBackupDirectoryDescriptor(v.getValue().toString());
              AttributeType idType = DirectoryServer.getAttributeType(ATTR_BACKUP_ID, true);
              for (String backupID : backupDirectory.getBackups().keySet()) {
                DN backupEntryDN = makeChildDN(baseDN, idType, backupID);
                Entry backupEntry = getBackupEntry(backupEntryDN);
                if (filter.matchesEntry(backupEntry)) {
                  searchOperation.returnEntry(backupEntry, null);
                }
              }
            } catch (Exception e) {
              if (debugEnabled()) {
                TRACER.debugCaught(DebugLogLevel.ERROR, e);
              }

              continue;
            }
          }
        }
      }
    } else {
      if (parentDN == null || !backupBaseDN.equals(parentDN.getParentDNInSuffix())) {
        Message message = ERR_BACKUP_NO_SUCH_ENTRY.get(String.valueOf(backupBaseDN));
        throw new DirectoryException(ResultCode.NO_SUCH_OBJECT, message);
      }

      if (scope == SearchScope.BASE_OBJECT || scope == SearchScope.WHOLE_SUBTREE) {
        Entry backupEntry = getBackupEntry(baseDN);
        if (backupEntry == null) {
          Message message = ERR_BACKUP_NO_SUCH_ENTRY.get(String.valueOf(backupBaseDN));
          throw new DirectoryException(ResultCode.NO_SUCH_OBJECT, message);
        }

        if (filter.matchesEntry(backupEntry)) {
          searchOperation.returnEntry(backupEntry, null);
        }
      }
    }
  }