/** {@inheritDoc} */
  @Override
  public void initializeTask() throws DirectoryException {
    // If the client connection is available, then make sure the client has the
    // DISCONNECT_CLIENT privilege.
    Operation operation = getOperation();
    if (operation != null) {
      ClientConnection conn = operation.getClientConnection();
      if (!conn.hasPrivilege(Privilege.DISCONNECT_CLIENT, operation)) {
        LocalizableMessage message = ERR_TASK_DISCONNECT_NO_PRIVILEGE.get();
        throw new DirectoryException(ResultCode.INSUFFICIENT_ACCESS_RIGHTS, message);
      }
    }

    final Entry taskEntry = getTaskEntry();
    connectionID = getConnectionID(taskEntry);
    if (connectionID < 0) {
      LocalizableMessage message = ERR_TASK_DISCONNECT_NO_CONN_ID.get(ATTR_TASK_DISCONNECT_CONN_ID);
      throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message);
    }

    notifyClient = mustNotifyClient(taskEntry);
    disconnectMessage = getDisconnectMessage(taskEntry);
  }
Esempio n. 2
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 /**
  * Check to see if the specified entry has the specified privilege.
  *
  * @param e The entry to check privileges on.
  * @return {@code true} if the entry has the specified privilege, or {@code false} if not.
  */
 private boolean skipAccessCheck(Entry e) {
   return ClientConnection.hasPrivilege(e, Privilege.BYPASS_ACL);
 }
  /**
   * 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));
        }
      }
    }
  }
  /**
   * Performs the processing necessary for a SASL bind operation.
   *
   * @return {@code true} if processing should continue for the operation, or {@code false} if not.
   * @throws DirectoryException If a problem occurs that should cause the bind operation to fail.
   */
  private boolean processSASLBind() throws DirectoryException {
    // Get the appropriate authentication handler for this request based
    // on the SASL mechanism.  If there is none, then fail.
    SASLMechanismHandler<?> saslHandler = DirectoryServer.getSASLMechanismHandler(saslMechanism);
    if (saslHandler == null) {
      throw new DirectoryException(
          ResultCode.AUTH_METHOD_NOT_SUPPORTED,
          ERR_BIND_OPERATION_UNKNOWN_SASL_MECHANISM.get(saslMechanism));
    }

    // Check to see if the client has sufficient permission to perform the bind.
    // NYI

    // Invoke pre-operation plugins.
    if (!invokePreOpPlugins()) {
      return false;
    }

    // Actually process the SASL bind.
    saslHandler.processSASLBind(this);

    // If the server is operating in lockdown mode, then we will need to
    // ensure that the authentication was successful and performed as a
    // root user to continue.
    Entry saslAuthUserEntry = getSASLAuthUserEntry();
    if (DirectoryServer.lockdownMode()) {
      ResultCode resultCode = getResultCode();
      if (resultCode != ResultCode.SASL_BIND_IN_PROGRESS
          && (resultCode != ResultCode.SUCCESS
              || saslAuthUserEntry == null
              || !ClientConnection.hasPrivilege(saslAuthUserEntry, BYPASS_LOCKDOWN))) {
        throw new DirectoryException(
            ResultCode.INVALID_CREDENTIALS, ERR_BIND_REJECTED_LOCKDOWN_MODE.get());
      }
    }

    // Create the password policy state object.
    if (saslAuthUserEntry != null) {
      setUserEntryDN(saslAuthUserEntry.getName());

      // FIXME -- Need to have a way to enable debugging.
      authPolicyState = AuthenticationPolicyState.forUser(saslAuthUserEntry, false);
      if (authPolicyState.isPasswordPolicy()) {
        // Account is managed locally: perform password policy checks that can
        // be completed before we have checked authentication was successful.
        checkUnverifiedPasswordPolicyState(saslAuthUserEntry, saslHandler);
      }
    }

    // Determine whether the authentication was successful and perform
    // any remaining password policy processing accordingly.
    ResultCode resultCode = getResultCode();
    if (resultCode == ResultCode.SUCCESS) {
      if (authPolicyState != null && authPolicyState.isPasswordPolicy()) {
        checkVerifiedPasswordPolicyState(saslAuthUserEntry, saslHandler);

        PasswordPolicyState pwPolicyState = (PasswordPolicyState) authPolicyState;

        if (saslHandler.isPasswordBased(saslMechanism) && pwPolicyState.mustChangePassword()) {
          mustChangePassword = true;
        }

        if (isFirstWarning) {
          pwPolicyState.setWarnedTime();

          int numSeconds = pwPolicyState.getSecondsUntilExpiration();
          LocalizableMessage m = WARN_BIND_PASSWORD_EXPIRING.get(secondsToTimeString(numSeconds));

          pwPolicyState.generateAccountStatusNotification(
              AccountStatusNotificationType.PASSWORD_EXPIRING,
              saslAuthUserEntry,
              m,
              AccountStatusNotification.createProperties(
                  pwPolicyState, false, numSeconds, null, null));
        }

        if (isGraceLogin) {
          pwPolicyState.updateGraceLoginTimes();
        }

        pwPolicyState.setLastLoginTime();
      }

      // Set appropriate resource limits for the user (note that SASL ANONYMOUS
      // does not have a user).
      if (saslAuthUserEntry != null) {
        setResourceLimits(saslAuthUserEntry);
      }
    } else if (resultCode == ResultCode.SASL_BIND_IN_PROGRESS) {
      // FIXME -- Is any special processing needed here?
      return false;
    } else {
      if (authPolicyState != null && authPolicyState.isPasswordPolicy()) {
        PasswordPolicyState pwPolicyState = (PasswordPolicyState) authPolicyState;

        if (saslHandler.isPasswordBased(saslMechanism)
            && pwPolicyState.getAuthenticationPolicy().getLockoutFailureCount() > 0) {
          generateAccountStatusNotificationForLockedBindAccount(saslAuthUserEntry, pwPolicyState);
        }
      }
    }

    return true;
  }
  /**
   * Performs the processing necessary for a simple bind operation.
   *
   * @return {@code true} if processing should continue for the operation, or {@code false} if not.
   * @throws DirectoryException If a problem occurs that should cause the bind operation to fail.
   */
  protected boolean processSimpleBind() throws DirectoryException {
    // See if this is an anonymous bind.  If so, then determine whether
    // to allow it.
    ByteString simplePassword = getSimplePassword();
    if (simplePassword == null || simplePassword.length() == 0) {
      return processAnonymousSimpleBind();
    }

    // See if the bind DN is actually one of the alternate root DNs
    // defined in the server.  If so, then replace it with the actual DN
    // for that user.
    DN actualRootDN = DirectoryServer.getActualRootBindDN(bindDN);
    if (actualRootDN != null) {
      bindDN = actualRootDN;
    }

    Entry userEntry;
    try {
      userEntry = backend.getEntry(bindDN);
    } catch (DirectoryException de) {
      logger.traceException(de);

      userEntry = null;

      if (de.getResultCode() == ResultCode.REFERRAL) {
        // Re-throw referral exceptions - these should be passed back
        // to the client.
        throw de;
      } else {
        // Replace other exceptions in case they expose any sensitive
        // information.
        throw new DirectoryException(ResultCode.INVALID_CREDENTIALS, de.getMessageObject());
      }
    }

    if (userEntry == null) {
      throw new DirectoryException(
          ResultCode.INVALID_CREDENTIALS, ERR_BIND_OPERATION_UNKNOWN_USER.get());
    } else {
      setUserEntryDN(userEntry.getName());
    }

    // Check to see if the user has a password. If not, then fail.
    // FIXME -- We need to have a way to enable/disable debugging.
    authPolicyState = AuthenticationPolicyState.forUser(userEntry, false);
    if (authPolicyState.isPasswordPolicy()) {
      // Account is managed locally.
      PasswordPolicyState pwPolicyState = (PasswordPolicyState) authPolicyState;
      PasswordPolicy policy = pwPolicyState.getAuthenticationPolicy();

      AttributeType pwType = policy.getPasswordAttribute();
      List<Attribute> pwAttr = userEntry.getAttribute(pwType);
      if (pwAttr == null || pwAttr.isEmpty()) {
        throw new DirectoryException(
            ResultCode.INVALID_CREDENTIALS, ERR_BIND_OPERATION_NO_PASSWORD.get());
      }

      // Perform a number of password policy state checks for the
      // non-authenticated user.
      checkUnverifiedPasswordPolicyState(userEntry, null);

      // Invoke pre-operation plugins.
      if (!invokePreOpPlugins()) {
        return false;
      }

      // Determine whether the provided password matches any of the stored
      // passwords for the user.
      if (pwPolicyState.passwordMatches(simplePassword)) {
        setResultCode(ResultCode.SUCCESS);

        checkVerifiedPasswordPolicyState(userEntry, null);

        if (DirectoryServer.lockdownMode()
            && !ClientConnection.hasPrivilege(userEntry, BYPASS_LOCKDOWN)) {
          throw new DirectoryException(
              ResultCode.INVALID_CREDENTIALS, ERR_BIND_REJECTED_LOCKDOWN_MODE.get());
        }
        setAuthenticationInfo(
            new AuthenticationInfo(
                userEntry, getBindDN(), DirectoryServer.isRootDN(userEntry.getName())));

        // Set resource limits for the authenticated user.
        setResourceLimits(userEntry);

        // Perform any remaining processing for a successful simple
        // authentication.
        pwPolicyState.handleDeprecatedStorageSchemes(simplePassword);
        pwPolicyState.clearFailureLockout();

        if (isFirstWarning) {
          pwPolicyState.setWarnedTime();

          int numSeconds = pwPolicyState.getSecondsUntilExpiration();
          LocalizableMessage m = WARN_BIND_PASSWORD_EXPIRING.get(secondsToTimeString(numSeconds));

          pwPolicyState.generateAccountStatusNotification(
              AccountStatusNotificationType.PASSWORD_EXPIRING,
              userEntry,
              m,
              AccountStatusNotification.createProperties(
                  pwPolicyState, false, numSeconds, null, null));
        }

        if (isGraceLogin) {
          pwPolicyState.updateGraceLoginTimes();
        }

        pwPolicyState.setLastLoginTime();
      } else {
        setResultCode(ResultCode.INVALID_CREDENTIALS);
        setAuthFailureReason(ERR_BIND_OPERATION_WRONG_PASSWORD.get());

        if (policy.getLockoutFailureCount() > 0) {
          generateAccountStatusNotificationForLockedBindAccount(userEntry, pwPolicyState);
        }
      }
    } else {
      // Check to see if the user is administratively disabled or locked.
      if (authPolicyState.isDisabled()) {
        throw new DirectoryException(
            ResultCode.INVALID_CREDENTIALS, ERR_BIND_OPERATION_ACCOUNT_DISABLED.get());
      }

      // Invoke pre-operation plugins.
      if (!invokePreOpPlugins()) {
        return false;
      }

      if (authPolicyState.passwordMatches(simplePassword)) {
        setResultCode(ResultCode.SUCCESS);

        if (DirectoryServer.lockdownMode()
            && !ClientConnection.hasPrivilege(userEntry, BYPASS_LOCKDOWN)) {
          throw new DirectoryException(
              ResultCode.INVALID_CREDENTIALS, ERR_BIND_REJECTED_LOCKDOWN_MODE.get());
        }
        setAuthenticationInfo(
            new AuthenticationInfo(
                userEntry, getBindDN(), DirectoryServer.isRootDN(userEntry.getName())));

        // Set resource limits for the authenticated user.
        setResourceLimits(userEntry);
      } else {
        setResultCode(ResultCode.INVALID_CREDENTIALS);
        setAuthFailureReason(ERR_BIND_OPERATION_WRONG_PASSWORD.get());
      }
    }

    return true;
  }