Example #1
0
 /** {@inheritDoc} */
 @Override
 public boolean isAllowed(DN entryDN, Operation op, Control control) throws DirectoryException {
   boolean ret;
   if (!(ret = skipAccessCheck(op))) {
     Entry e = new Entry(entryDN, null, null, null);
     AciLDAPOperationContainer operationContainer =
         new AciLDAPOperationContainer(op, e, control, (ACI_READ | ACI_CONTROL));
     ret = accessAllowed(operationContainer);
   }
   if (control.getOID().equals(OID_PROXIED_AUTH_V2)
       || control.getOID().equals(OID_PROXIED_AUTH_V1)) {
     if (ret) {
       op.setAttachment(ORIG_AUTH_ENTRY, op.getAuthorizationEntry());
     }
   } else if (control.getOID().equals(OID_GET_EFFECTIVE_RIGHTS)) {
     if (ret) {
       GetEffectiveRightsRequestControl getEffectiveRightsControl;
       if (control instanceof LDAPControl) {
         getEffectiveRightsControl =
             GetEffectiveRightsRequestControl.DECODER.decode(
                 control.isCritical(), ((LDAPControl) control).getValue());
       } else {
         getEffectiveRightsControl = (GetEffectiveRightsRequestControl) control;
       }
       op.setAttachment(OID_GET_EFFECTIVE_RIGHTS, getEffectiveRightsControl);
     }
   }
   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));
        }
      }
    }
  }