| // 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. |
| |
| |
| #ifndef IMPALA_SERVICE_AUTHENTICATION_H |
| #define IMPALA_SERVICE_AUTHENTICATION_H |
| |
| #include <string> |
| #include <thrift/transport/TTransport.h> |
| #include <thrift/transport/TSSLSocket.h> |
| |
| #include "rpc/auth-provider.h" |
| #include "sasl/sasl.h" |
| #include "transport/TSaslServerTransport.h" |
| #include "transport/TSasl.h" |
| #include "common/status.h" |
| |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wheader-hygiene" |
| using namespace ::apache::thrift::transport; |
| #pragma clang diagnostic pop |
| |
| namespace impala { |
| |
| /// System-wide authentication manager responsible for initialising authentication systems, |
| /// including SSL, Sasl and Kerberos, and for providing auth-enabled Thrift structures to |
| /// servers and clients. |
| /// There should only be one AuthManager instantiated at a time. |
| /// If Init() is called more than once, all the setup state will be overwritten (Currently |
| /// only used for testing purposes to validate different security configurations) |
| class AuthManager { |
| public: |
| static AuthManager* GetInstance() { return AuthManager::auth_manager_; } |
| |
| /// Set up internal and external AuthProvider classes. This also initializes SSL (via |
| /// the creation of ssl_socket_factory_). |
| Status Init(); |
| |
| /// Returns the authentication provider to use for "external" communication |
| /// such as the impala shell, jdbc, odbc, etc. This only applies to the server |
| /// side of a connection; the client side of said connection is never an |
| /// internal process. |
| AuthProvider* GetExternalAuthProvider(); |
| |
| /// Returns the authentication provider to use for internal daemon <-> daemon |
| /// connections. This goes for both the client and server sides. An example |
| /// connection this applies to would be backend <-> statestore. |
| AuthProvider* GetInternalAuthProvider(); |
| |
| private: |
| /// One-time kerberos-specific environment variable setup. Called by Init() if Kerberos |
| /// is enabled. |
| Status InitKerberosEnv(); |
| |
| static AuthManager* auth_manager_; |
| |
| /// These are provided for convenience, so that demon<->demon and client<->demon services |
| /// don't have to check the auth flags to figure out which auth provider to use. |
| boost::scoped_ptr<AuthProvider> internal_auth_provider_; |
| boost::scoped_ptr<AuthProvider> external_auth_provider_; |
| |
| /// A thrift SSL socket factory must be created and live the lifetime of the process to |
| /// ensure that the thrift OpenSSL initialization code runs at Init(), and is not |
| /// unregistered (which thrift will do when the refcount of TSSLSocketFactory objects |
| /// reach 0), see IMPALA-4933. For simplicity, and because Kudu will expect SSL to be |
| /// initialized, this will be created regardless of whether or not SSL credentials are |
| /// specified. This factory isn't otherwise used. |
| boost::scoped_ptr<TSSLSocketFactory> ssl_socket_factory_; |
| }; |
| |
| |
| } |
| #endif |