/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * These .proto interfaces are private and unstable.
 * Please see http://wiki.apache.org/hadoop/Compatibility
 * for what changes are allowed for a *unstable* .proto interface.
 */

option java_package = "org.apache.hadoop.hdds.protocol.proto";

option java_outer_classname = "SCMSecurityProtocolProtos";

option java_generic_services = true;

option java_generate_equals_and_hash = true;

package hadoop.hdds;

import "hdds.proto";

/**
* This message is send by data node to prove its identity and get an SCM
* signed certificate.
*/
message SCMGetDataNodeCertRequestProto {
  required DatanodeDetailsProto datanodeDetails = 1;
  required string CSR = 2;
}

/**
* This message is send by OzoneManager to prove its identity and get an SCM
* signed certificate.
*/
message SCMGetOMCertRequestProto {
  required OzoneManagerDetailsProto omDetails = 1;
  required string CSR = 2;
}

/**
* Proto request to get a certificate with given serial id.
*/
message SCMGetCertificateRequestProto {
  required string certSerialId = 1;
}

/**
* Proto request to get CA certificate.
*/
message SCMGetCACertificateRequestProto {
}

/**
 * Returns a certificate signed by SCM.
 */
message SCMGetCertResponseProto {
  enum ResponseCode {
    success = 1;
    authenticationFailed = 2;
    invalidCSR = 3;
  }
  required ResponseCode responseCode = 1;
  required string x509Certificate = 2; // Base64 encoded X509 certificate.
  optional string x509CACertificate = 3; // Base64 encoded CA X509 certificate.
}


service SCMSecurityProtocolService {
  /**
  * Get SCM signed certificate for DataNode.
  */
  rpc getDataNodeCertificate (SCMGetDataNodeCertRequestProto) returns
  (SCMGetCertResponseProto);

  /**
  * Get SCM signed certificate for DataNode.
  */
  rpc getOMCertificate (SCMGetOMCertRequestProto) returns
  (SCMGetCertResponseProto);

  /**
   * Get SCM signed certificate for DataNode.
   */
  rpc getCertificate (SCMGetCertificateRequestProto) returns
  (SCMGetCertResponseProto);

  /**
   * Get SCM signed certificate for DataNode.
   */
  rpc getCACertificate (SCMGetCACertificateRequestProto) returns
  (SCMGetCertResponseProto);
}