1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPCPP_SECURITY_SERVER_CREDENTIALS_H 20 #define GRPCPP_SECURITY_SERVER_CREDENTIALS_H 21 22 #include <memory> 23 #include <vector> 24 25 #include <grpc/grpc_security_constants.h> 26 #include <grpcpp/security/auth_metadata_processor.h> 27 #include <grpcpp/support/config.h> 28 29 struct grpc_server; 30 31 namespace grpc { 32 class Server; 33 34 /// Wrapper around \a grpc_server_credentials, a way to authenticate a server. 35 class ServerCredentials { 36 public: 37 virtual ~ServerCredentials(); 38 39 /// This method is not thread-safe and has to be called before the server is 40 /// started. The last call to this function wins. 41 virtual void SetAuthMetadataProcessor( 42 const std::shared_ptr<AuthMetadataProcessor>& processor) = 0; 43 44 private: 45 friend class ::grpc::Server; 46 47 /// Tries to bind \a server to the given \a addr (eg, localhost:1234, 48 /// 192.168.1.1:31416, [::1]:27182, etc.) 49 /// 50 /// \return bound port number on sucess, 0 on failure. 51 // TODO(dgq): the "port" part seems to be a misnomer. 52 virtual int AddPortToServer(const grpc::string& addr, 53 grpc_server* server) = 0; 54 }; 55 56 /// Options to create ServerCredentials with SSL 57 struct SslServerCredentialsOptions { 58 /// \warning Deprecated SslServerCredentialsOptionsSslServerCredentialsOptions59 SslServerCredentialsOptions() 60 : force_client_auth(false), 61 client_certificate_request(GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE) {} SslServerCredentialsOptionsSslServerCredentialsOptions62 SslServerCredentialsOptions( 63 grpc_ssl_client_certificate_request_type request_type) 64 : force_client_auth(false), client_certificate_request(request_type) {} 65 66 struct PemKeyCertPair { 67 grpc::string private_key; 68 grpc::string cert_chain; 69 }; 70 grpc::string pem_root_certs; 71 std::vector<PemKeyCertPair> pem_key_cert_pairs; 72 /// \warning Deprecated 73 bool force_client_auth; 74 75 /// If both \a force_client_auth and \a client_certificate_request 76 /// fields are set, \a force_client_auth takes effect, i.e. 77 /// \a REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY 78 /// will be enforced. 79 grpc_ssl_client_certificate_request_type client_certificate_request; 80 }; 81 82 /// Builds SSL ServerCredentials given SSL specific options 83 std::shared_ptr<ServerCredentials> SslServerCredentials( 84 const SslServerCredentialsOptions& options); 85 86 /// Builds insecure server credentials. 87 std::shared_ptr<ServerCredentials> InsecureServerCredentials(); 88 89 namespace experimental { 90 91 /// Options to create ServerCredentials with ALTS 92 struct AltsServerCredentialsOptions { 93 /// Add fields if needed. 94 }; 95 96 /// Builds ALTS ServerCredentials given ALTS specific options 97 std::shared_ptr<ServerCredentials> AltsServerCredentials( 98 const AltsServerCredentialsOptions& options); 99 100 /// Builds Local ServerCredentials. 101 std::shared_ptr<ServerCredentials> LocalServerCredentials( 102 grpc_local_connect_type type); 103 104 } // namespace experimental 105 } // namespace grpc 106 107 #endif // GRPCPP_SECURITY_SERVER_CREDENTIALS_H 108