| /* |
| * |
| * Copyright 2018 gRPC authors. |
| * |
| * Licensed 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. |
| * |
| */ |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include "src/core/tsi/alts/handshaker/alts_handshaker_client.h" |
| |
| #include <grpc/byte_buffer.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| |
| #include "src/core/lib/slice/slice_internal.h" |
| #include "src/core/lib/surface/call.h" |
| #include "src/core/lib/surface/channel.h" |
| #include "src/core/tsi/alts/handshaker/alts_handshaker_service_api.h" |
| #include "src/core/tsi/alts/handshaker/alts_shared_resource.h" |
| #include "src/core/tsi/alts/handshaker/alts_tsi_handshaker_private.h" |
| #include "src/core/tsi/alts/handshaker/alts_tsi_utils.h" |
| |
| #define TSI_ALTS_INITIAL_BUFFER_SIZE 256 |
| |
| const int kHandshakerClientOpNum = 4; |
| |
| struct alts_handshaker_client { |
| const alts_handshaker_client_vtable* vtable; |
| }; |
| |
| typedef struct alts_grpc_handshaker_client { |
| alts_handshaker_client base; |
| alts_tsi_handshaker* handshaker; |
| grpc_call* call; |
| /* A pointer to a function handling the interaction with handshaker service. |
| * That is, it points to grpc_call_start_batch_and_execute when the handshaker |
| * client is used in a non-testing use case and points to a custom function |
| * that validates the data to be sent to handshaker service in a testing use |
| * case. */ |
| alts_grpc_caller grpc_caller; |
| /* A callback function provided by gRPC to handle the response returned from |
| * handshaker service. It also serves to bring the control safely back to |
| * application when dedicated CQ and thread are used. */ |
| grpc_iomgr_cb_func grpc_cb; |
| /* A gRPC closure to be scheduled when the response from handshaker service |
| * is received. It will be initialized with grpc_cb. */ |
| grpc_closure on_handshaker_service_resp_recv; |
| /* Buffers containing information to be sent (or received) to (or from) the |
| * handshaker service. */ |
| grpc_byte_buffer* send_buffer; |
| grpc_byte_buffer* recv_buffer; |
| grpc_status_code status; |
| /* Initial metadata to be received from handshaker service. */ |
| grpc_metadata_array recv_initial_metadata; |
| /* A callback function provided by an application to be invoked when response |
| * is received from handshaker service. */ |
| tsi_handshaker_on_next_done_cb cb; |
| void* user_data; |
| /* ALTS credential options passed in from the caller. */ |
| grpc_alts_credentials_options* options; |
| /* target name information to be passed to handshaker service for server |
| * authorization check. */ |
| grpc_slice target_name; |
| /* boolean flag indicating if the handshaker client is used at client |
| * (is_client = true) or server (is_client = false) side. */ |
| bool is_client; |
| /* a temporary store for data received from handshaker service used to extract |
| * unused data. */ |
| grpc_slice recv_bytes; |
| /* a buffer containing data to be sent to the grpc client or server's peer. */ |
| unsigned char* buffer; |
| size_t buffer_size; |
| } alts_grpc_handshaker_client; |
| |
| static void handshaker_client_send_buffer_destroy( |
| alts_grpc_handshaker_client* client) { |
| GPR_ASSERT(client != nullptr); |
| grpc_byte_buffer_destroy(client->send_buffer); |
| client->send_buffer = nullptr; |
| } |
| |
| static bool is_handshake_finished_properly(grpc_gcp_handshaker_resp* resp) { |
| GPR_ASSERT(resp != nullptr); |
| if (resp->has_result) { |
| return true; |
| } |
| return false; |
| } |
| |
| void alts_handshaker_client_handle_response(alts_handshaker_client* c, |
| bool is_ok) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| grpc_byte_buffer* recv_buffer = client->recv_buffer; |
| grpc_status_code status = client->status; |
| tsi_handshaker_on_next_done_cb cb = client->cb; |
| void* user_data = client->user_data; |
| alts_tsi_handshaker* handshaker = client->handshaker; |
| |
| /* Invalid input check. */ |
| if (cb == nullptr) { |
| gpr_log(GPR_ERROR, |
| "cb is nullptr in alts_tsi_handshaker_handle_response()"); |
| return; |
| } |
| if (handshaker == nullptr) { |
| gpr_log(GPR_ERROR, |
| "handshaker is nullptr in alts_tsi_handshaker_handle_response()"); |
| cb(TSI_INTERNAL_ERROR, user_data, nullptr, 0, nullptr); |
| return; |
| } |
| /* TSI handshake has been shutdown. */ |
| if (alts_tsi_handshaker_has_shutdown(handshaker)) { |
| gpr_log(GPR_ERROR, "TSI handshake shutdown"); |
| cb(TSI_HANDSHAKE_SHUTDOWN, user_data, nullptr, 0, nullptr); |
| return; |
| } |
| /* Failed grpc call check. */ |
| if (!is_ok || status != GRPC_STATUS_OK) { |
| gpr_log(GPR_ERROR, "grpc call made to handshaker service failed"); |
| cb(TSI_INTERNAL_ERROR, user_data, nullptr, 0, nullptr); |
| return; |
| } |
| if (recv_buffer == nullptr) { |
| gpr_log(GPR_ERROR, |
| "recv_buffer is nullptr in alts_tsi_handshaker_handle_response()"); |
| cb(TSI_INTERNAL_ERROR, user_data, nullptr, 0, nullptr); |
| return; |
| } |
| grpc_gcp_handshaker_resp* resp = |
| alts_tsi_utils_deserialize_response(recv_buffer); |
| grpc_byte_buffer_destroy(client->recv_buffer); |
| client->recv_buffer = nullptr; |
| /* Invalid handshaker response check. */ |
| if (resp == nullptr) { |
| gpr_log(GPR_ERROR, "alts_tsi_utils_deserialize_response() failed"); |
| cb(TSI_DATA_CORRUPTED, user_data, nullptr, 0, nullptr); |
| return; |
| } |
| grpc_slice* slice = static_cast<grpc_slice*>(resp->out_frames.arg); |
| unsigned char* bytes_to_send = nullptr; |
| size_t bytes_to_send_size = 0; |
| if (slice != nullptr) { |
| bytes_to_send_size = GRPC_SLICE_LENGTH(*slice); |
| while (bytes_to_send_size > client->buffer_size) { |
| client->buffer_size *= 2; |
| client->buffer = static_cast<unsigned char*>( |
| gpr_realloc(client->buffer, client->buffer_size)); |
| } |
| memcpy(client->buffer, GRPC_SLICE_START_PTR(*slice), bytes_to_send_size); |
| bytes_to_send = client->buffer; |
| } |
| tsi_handshaker_result* result = nullptr; |
| if (is_handshake_finished_properly(resp)) { |
| alts_tsi_handshaker_result_create(resp, client->is_client, &result); |
| alts_tsi_handshaker_result_set_unused_bytes(result, &client->recv_bytes, |
| resp->bytes_consumed); |
| } |
| grpc_status_code code = static_cast<grpc_status_code>(resp->status.code); |
| if (code != GRPC_STATUS_OK) { |
| grpc_slice* details = static_cast<grpc_slice*>(resp->status.details.arg); |
| if (details != nullptr) { |
| char* error_details = grpc_slice_to_c_string(*details); |
| gpr_log(GPR_ERROR, "Error from handshaker service:%s", error_details); |
| gpr_free(error_details); |
| } |
| } |
| grpc_gcp_handshaker_resp_destroy(resp); |
| cb(alts_tsi_utils_convert_to_tsi_result(code), user_data, bytes_to_send, |
| bytes_to_send_size, result); |
| } |
| |
| /** |
| * Populate grpc operation data with the fields of ALTS handshaker client and |
| * make a grpc call. |
| */ |
| static tsi_result make_grpc_call(alts_handshaker_client* c, bool is_start) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| grpc_op ops[kHandshakerClientOpNum]; |
| memset(ops, 0, sizeof(ops)); |
| grpc_op* op = ops; |
| if (is_start) { |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op++; |
| GPR_ASSERT(op - ops <= kHandshakerClientOpNum); |
| op->op = GRPC_OP_RECV_INITIAL_METADATA; |
| op->data.recv_initial_metadata.recv_initial_metadata = |
| &client->recv_initial_metadata; |
| op++; |
| GPR_ASSERT(op - ops <= kHandshakerClientOpNum); |
| } |
| op->op = GRPC_OP_SEND_MESSAGE; |
| op->data.send_message.send_message = client->send_buffer; |
| op++; |
| GPR_ASSERT(op - ops <= kHandshakerClientOpNum); |
| op->op = GRPC_OP_RECV_MESSAGE; |
| op->data.recv_message.recv_message = &client->recv_buffer; |
| op++; |
| GPR_ASSERT(op - ops <= kHandshakerClientOpNum); |
| GPR_ASSERT(client->grpc_caller != nullptr); |
| if (client->grpc_caller(client->call, ops, static_cast<size_t>(op - ops), |
| &client->on_handshaker_service_resp_recv) != |
| GRPC_CALL_OK) { |
| gpr_log(GPR_ERROR, "Start batch operation failed"); |
| return TSI_INTERNAL_ERROR; |
| } |
| return TSI_OK; |
| } |
| |
| /* Create and populate a client_start handshaker request, then serialize it. */ |
| static grpc_byte_buffer* get_serialized_start_client( |
| alts_handshaker_client* c) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| bool ok = true; |
| grpc_gcp_handshaker_req* req = |
| grpc_gcp_handshaker_req_create(CLIENT_START_REQ); |
| ok &= grpc_gcp_handshaker_req_set_handshake_protocol( |
| req, grpc_gcp_HandshakeProtocol_ALTS); |
| ok &= grpc_gcp_handshaker_req_add_application_protocol( |
| req, ALTS_APPLICATION_PROTOCOL); |
| ok &= grpc_gcp_handshaker_req_add_record_protocol(req, ALTS_RECORD_PROTOCOL); |
| grpc_gcp_rpc_protocol_versions* versions = &client->options->rpc_versions; |
| ok &= grpc_gcp_handshaker_req_set_rpc_versions( |
| req, versions->max_rpc_version.major, versions->max_rpc_version.minor, |
| versions->min_rpc_version.major, versions->min_rpc_version.minor); |
| char* target_name = grpc_slice_to_c_string(client->target_name); |
| ok &= grpc_gcp_handshaker_req_set_target_name(req, target_name); |
| target_service_account* ptr = |
| (reinterpret_cast<grpc_alts_credentials_client_options*>(client->options)) |
| ->target_account_list_head; |
| while (ptr != nullptr) { |
| grpc_gcp_handshaker_req_add_target_identity_service_account(req, ptr->data); |
| ptr = ptr->next; |
| } |
| grpc_slice slice; |
| ok &= grpc_gcp_handshaker_req_encode(req, &slice); |
| grpc_byte_buffer* buffer = nullptr; |
| if (ok) { |
| buffer = grpc_raw_byte_buffer_create(&slice, 1 /* number of slices */); |
| } |
| grpc_slice_unref_internal(slice); |
| gpr_free(target_name); |
| grpc_gcp_handshaker_req_destroy(req); |
| return buffer; |
| } |
| |
| static tsi_result handshaker_client_start_client(alts_handshaker_client* c) { |
| if (c == nullptr) { |
| gpr_log(GPR_ERROR, "client is nullptr in handshaker_client_start_client()"); |
| return TSI_INVALID_ARGUMENT; |
| } |
| grpc_byte_buffer* buffer = get_serialized_start_client(c); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| if (buffer == nullptr) { |
| gpr_log(GPR_ERROR, "get_serialized_start_client() failed"); |
| return TSI_INTERNAL_ERROR; |
| } |
| handshaker_client_send_buffer_destroy(client); |
| client->send_buffer = buffer; |
| tsi_result result = make_grpc_call(&client->base, true /* is_start */); |
| if (result != TSI_OK) { |
| gpr_log(GPR_ERROR, "make_grpc_call() failed"); |
| } |
| return result; |
| } |
| |
| /* Create and populate a start_server handshaker request, then serialize it. */ |
| static grpc_byte_buffer* get_serialized_start_server( |
| alts_handshaker_client* c, grpc_slice* bytes_received) { |
| GPR_ASSERT(c != nullptr); |
| GPR_ASSERT(bytes_received != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| grpc_gcp_handshaker_req* req = |
| grpc_gcp_handshaker_req_create(SERVER_START_REQ); |
| bool ok = grpc_gcp_handshaker_req_add_application_protocol( |
| req, ALTS_APPLICATION_PROTOCOL); |
| ok &= grpc_gcp_handshaker_req_param_add_record_protocol( |
| req, grpc_gcp_HandshakeProtocol_ALTS, ALTS_RECORD_PROTOCOL); |
| ok &= grpc_gcp_handshaker_req_set_in_bytes( |
| req, reinterpret_cast<const char*> GRPC_SLICE_START_PTR(*bytes_received), |
| GRPC_SLICE_LENGTH(*bytes_received)); |
| grpc_gcp_rpc_protocol_versions* versions = &client->options->rpc_versions; |
| ok &= grpc_gcp_handshaker_req_set_rpc_versions( |
| req, versions->max_rpc_version.major, versions->max_rpc_version.minor, |
| versions->min_rpc_version.major, versions->min_rpc_version.minor); |
| grpc_slice req_slice; |
| ok &= grpc_gcp_handshaker_req_encode(req, &req_slice); |
| grpc_byte_buffer* buffer = nullptr; |
| if (ok) { |
| buffer = grpc_raw_byte_buffer_create(&req_slice, 1 /* number of slices */); |
| } |
| grpc_slice_unref_internal(req_slice); |
| grpc_gcp_handshaker_req_destroy(req); |
| return buffer; |
| } |
| |
| static tsi_result handshaker_client_start_server(alts_handshaker_client* c, |
| grpc_slice* bytes_received) { |
| if (c == nullptr || bytes_received == nullptr) { |
| gpr_log(GPR_ERROR, "Invalid arguments to handshaker_client_start_server()"); |
| return TSI_INVALID_ARGUMENT; |
| } |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| grpc_byte_buffer* buffer = get_serialized_start_server(c, bytes_received); |
| if (buffer == nullptr) { |
| gpr_log(GPR_ERROR, "get_serialized_start_server() failed"); |
| return TSI_INTERNAL_ERROR; |
| } |
| handshaker_client_send_buffer_destroy(client); |
| client->send_buffer = buffer; |
| tsi_result result = make_grpc_call(&client->base, true /* is_start */); |
| if (result != TSI_OK) { |
| gpr_log(GPR_ERROR, "make_grpc_call() failed"); |
| } |
| return result; |
| } |
| |
| /* Create and populate a next handshaker request, then serialize it. */ |
| static grpc_byte_buffer* get_serialized_next(grpc_slice* bytes_received) { |
| GPR_ASSERT(bytes_received != nullptr); |
| grpc_gcp_handshaker_req* req = grpc_gcp_handshaker_req_create(NEXT_REQ); |
| bool ok = grpc_gcp_handshaker_req_set_in_bytes( |
| req, reinterpret_cast<const char*> GRPC_SLICE_START_PTR(*bytes_received), |
| GRPC_SLICE_LENGTH(*bytes_received)); |
| grpc_slice req_slice; |
| ok &= grpc_gcp_handshaker_req_encode(req, &req_slice); |
| grpc_byte_buffer* buffer = nullptr; |
| if (ok) { |
| buffer = grpc_raw_byte_buffer_create(&req_slice, 1 /* number of slices */); |
| } |
| grpc_slice_unref_internal(req_slice); |
| grpc_gcp_handshaker_req_destroy(req); |
| return buffer; |
| } |
| |
| static tsi_result handshaker_client_next(alts_handshaker_client* c, |
| grpc_slice* bytes_received) { |
| if (c == nullptr || bytes_received == nullptr) { |
| gpr_log(GPR_ERROR, "Invalid arguments to handshaker_client_next()"); |
| return TSI_INVALID_ARGUMENT; |
| } |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| grpc_slice_unref_internal(client->recv_bytes); |
| client->recv_bytes = grpc_slice_ref(*bytes_received); |
| grpc_byte_buffer* buffer = get_serialized_next(bytes_received); |
| if (buffer == nullptr) { |
| gpr_log(GPR_ERROR, "get_serialized_next() failed"); |
| return TSI_INTERNAL_ERROR; |
| } |
| handshaker_client_send_buffer_destroy(client); |
| client->send_buffer = buffer; |
| tsi_result result = make_grpc_call(&client->base, false /* is_start */); |
| if (result != TSI_OK) { |
| gpr_log(GPR_ERROR, "make_grpc_call() failed"); |
| } |
| return result; |
| } |
| |
| static void handshaker_client_shutdown(alts_handshaker_client* c) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| if (client->call != nullptr) { |
| grpc_call_cancel_internal(client->call); |
| } |
| } |
| |
| static void handshaker_client_destruct(alts_handshaker_client* c) { |
| if (c == nullptr) { |
| return; |
| } |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| if (client->call != nullptr) { |
| grpc_call_unref(client->call); |
| } |
| } |
| |
| static const alts_handshaker_client_vtable vtable = { |
| handshaker_client_start_client, handshaker_client_start_server, |
| handshaker_client_next, handshaker_client_shutdown, |
| handshaker_client_destruct}; |
| |
| alts_handshaker_client* alts_grpc_handshaker_client_create( |
| alts_tsi_handshaker* handshaker, grpc_channel* channel, |
| const char* handshaker_service_url, grpc_pollset_set* interested_parties, |
| grpc_alts_credentials_options* options, grpc_slice target_name, |
| grpc_iomgr_cb_func grpc_cb, tsi_handshaker_on_next_done_cb cb, |
| void* user_data, alts_handshaker_client_vtable* vtable_for_testing, |
| bool is_client) { |
| if (channel == nullptr || handshaker_service_url == nullptr) { |
| gpr_log(GPR_ERROR, "Invalid arguments to alts_handshaker_client_create()"); |
| return nullptr; |
| } |
| alts_grpc_handshaker_client* client = |
| static_cast<alts_grpc_handshaker_client*>(gpr_zalloc(sizeof(*client))); |
| client->grpc_caller = grpc_call_start_batch_and_execute; |
| client->handshaker = handshaker; |
| client->cb = cb; |
| client->user_data = user_data; |
| client->send_buffer = nullptr; |
| client->recv_buffer = nullptr; |
| client->options = grpc_alts_credentials_options_copy(options); |
| client->target_name = grpc_slice_copy(target_name); |
| client->recv_bytes = grpc_empty_slice(); |
| grpc_metadata_array_init(&client->recv_initial_metadata); |
| client->grpc_cb = grpc_cb; |
| client->is_client = is_client; |
| client->buffer_size = TSI_ALTS_INITIAL_BUFFER_SIZE; |
| client->buffer = static_cast<unsigned char*>(gpr_zalloc(client->buffer_size)); |
| grpc_slice slice = grpc_slice_from_copied_string(handshaker_service_url); |
| client->call = |
| strcmp(handshaker_service_url, ALTS_HANDSHAKER_SERVICE_URL_FOR_TESTING) == |
| 0 |
| ? nullptr |
| : grpc_channel_create_pollset_set_call( |
| channel, nullptr, GRPC_PROPAGATE_DEFAULTS, interested_parties, |
| grpc_slice_from_static_string(ALTS_SERVICE_METHOD), &slice, |
| GRPC_MILLIS_INF_FUTURE, nullptr); |
| client->base.vtable = |
| vtable_for_testing == nullptr ? &vtable : vtable_for_testing; |
| GRPC_CLOSURE_INIT(&client->on_handshaker_service_resp_recv, client->grpc_cb, |
| client, grpc_schedule_on_exec_ctx); |
| grpc_slice_unref_internal(slice); |
| return &client->base; |
| } |
| |
| namespace grpc_core { |
| namespace internal { |
| |
| void alts_handshaker_client_set_grpc_caller_for_testing( |
| alts_handshaker_client* c, alts_grpc_caller caller) { |
| GPR_ASSERT(c != nullptr && caller != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| client->grpc_caller = caller; |
| } |
| |
| grpc_byte_buffer* alts_handshaker_client_get_send_buffer_for_testing( |
| alts_handshaker_client* c) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| return client->send_buffer; |
| } |
| |
| grpc_byte_buffer** alts_handshaker_client_get_recv_buffer_addr_for_testing( |
| alts_handshaker_client* c) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| return &client->recv_buffer; |
| } |
| |
| grpc_metadata_array* alts_handshaker_client_get_initial_metadata_for_testing( |
| alts_handshaker_client* c) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| return &client->recv_initial_metadata; |
| } |
| |
| void alts_handshaker_client_set_recv_bytes_for_testing( |
| alts_handshaker_client* c, grpc_slice* recv_bytes) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| client->recv_bytes = grpc_slice_ref(*recv_bytes); |
| } |
| |
| void alts_handshaker_client_set_fields_for_testing( |
| alts_handshaker_client* c, alts_tsi_handshaker* handshaker, |
| tsi_handshaker_on_next_done_cb cb, void* user_data, |
| grpc_byte_buffer* recv_buffer, grpc_status_code status) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| client->handshaker = handshaker; |
| client->cb = cb; |
| client->user_data = user_data; |
| client->recv_buffer = recv_buffer; |
| client->status = status; |
| } |
| |
| void alts_handshaker_client_check_fields_for_testing( |
| alts_handshaker_client* c, tsi_handshaker_on_next_done_cb cb, |
| void* user_data, bool has_sent_start_message, grpc_slice* recv_bytes) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| GPR_ASSERT(client->cb == cb); |
| GPR_ASSERT(client->user_data == user_data); |
| if (recv_bytes != nullptr) { |
| GPR_ASSERT(grpc_slice_cmp(client->recv_bytes, *recv_bytes) == 0); |
| } |
| GPR_ASSERT(alts_tsi_handshaker_get_has_sent_start_message_for_testing( |
| client->handshaker) == has_sent_start_message); |
| } |
| |
| void alts_handshaker_client_set_vtable_for_testing( |
| alts_handshaker_client* c, alts_handshaker_client_vtable* vtable) { |
| GPR_ASSERT(c != nullptr); |
| GPR_ASSERT(vtable != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| client->base.vtable = vtable; |
| } |
| |
| alts_tsi_handshaker* alts_handshaker_client_get_handshaker_for_testing( |
| alts_handshaker_client* c) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| return client->handshaker; |
| } |
| |
| void alts_handshaker_client_set_cb_for_testing( |
| alts_handshaker_client* c, tsi_handshaker_on_next_done_cb cb) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| client->cb = cb; |
| } |
| |
| grpc_closure* alts_handshaker_client_get_closure_for_testing( |
| alts_handshaker_client* c) { |
| GPR_ASSERT(c != nullptr); |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| return &client->on_handshaker_service_resp_recv; |
| } |
| |
| } // namespace internal |
| } // namespace grpc_core |
| |
| tsi_result alts_handshaker_client_start_client(alts_handshaker_client* client) { |
| if (client != nullptr && client->vtable != nullptr && |
| client->vtable->client_start != nullptr) { |
| return client->vtable->client_start(client); |
| } |
| gpr_log(GPR_ERROR, |
| "client or client->vtable has not been initialized properly"); |
| return TSI_INVALID_ARGUMENT; |
| } |
| |
| tsi_result alts_handshaker_client_start_server(alts_handshaker_client* client, |
| grpc_slice* bytes_received) { |
| if (client != nullptr && client->vtable != nullptr && |
| client->vtable->server_start != nullptr) { |
| return client->vtable->server_start(client, bytes_received); |
| } |
| gpr_log(GPR_ERROR, |
| "client or client->vtable has not been initialized properly"); |
| return TSI_INVALID_ARGUMENT; |
| } |
| |
| tsi_result alts_handshaker_client_next(alts_handshaker_client* client, |
| grpc_slice* bytes_received) { |
| if (client != nullptr && client->vtable != nullptr && |
| client->vtable->next != nullptr) { |
| return client->vtable->next(client, bytes_received); |
| } |
| gpr_log(GPR_ERROR, |
| "client or client->vtable has not been initialized properly"); |
| return TSI_INVALID_ARGUMENT; |
| } |
| |
| void alts_handshaker_client_shutdown(alts_handshaker_client* client) { |
| if (client != nullptr && client->vtable != nullptr && |
| client->vtable->shutdown != nullptr) { |
| client->vtable->shutdown(client); |
| } |
| } |
| |
| void alts_handshaker_client_destroy(alts_handshaker_client* c) { |
| if (c != nullptr) { |
| if (c->vtable != nullptr && c->vtable->destruct != nullptr) { |
| c->vtable->destruct(c); |
| } |
| alts_grpc_handshaker_client* client = |
| reinterpret_cast<alts_grpc_handshaker_client*>(c); |
| grpc_byte_buffer_destroy(client->send_buffer); |
| grpc_byte_buffer_destroy(client->recv_buffer); |
| client->send_buffer = nullptr; |
| client->recv_buffer = nullptr; |
| grpc_metadata_array_destroy(&client->recv_initial_metadata); |
| grpc_slice_unref_internal(client->recv_bytes); |
| grpc_slice_unref_internal(client->target_name); |
| grpc_alts_credentials_options_destroy(client->options); |
| gpr_free(client->buffer); |
| gpr_free(client); |
| } |
| } |