| /* |
| * |
| * Copyright 2015 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 "test/core/bad_client/bad_client.h" |
| |
| #include <string.h> |
| |
| #include "absl/strings/str_format.h" |
| #include "absl/strings/str_join.h" |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| #include "src/core/lib/gpr/string.h" |
| #include "src/core/lib/surface/server.h" |
| #include "test/core/end2end/cq_verifier.h" |
| |
| // The large-metadata headers that we're adding for this test are not |
| // actually appended to this in a single string, since the string would |
| // be longer than the C99 string literal limit. Instead, we dynamically |
| // construct it by adding the large headers one at a time. |
| |
| /* headers: generated from large_metadata.headers in this directory */ |
| #define PFX_TOO_MUCH_METADATA_FROM_CLIENT_REQUEST \ |
| "\x00\x00\x00\x04\x01\x00\x00\x00\x00" \ |
| "\x00" \ |
| "5{\x01\x05\x00\x00\x00\x01" \ |
| "\x10\x05:path\x08/foo/bar" \ |
| "\x10\x07:scheme\x04http" \ |
| "\x10\x07:method\x04POST" \ |
| "\x10\x0a:authority\x09localhost" \ |
| "\x10\x0c" \ |
| "content-type\x10" \ |
| "application/grpc" \ |
| "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip" \ |
| "\x10\x02te\x08trailers" \ |
| "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)" |
| |
| // Each large-metadata header is constructed from these start and end |
| // strings, with a two-digit number in between. |
| #define PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_START_STR "\x10\x0duser-header" |
| #define PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_END_STR \ |
| "~aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \ |
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" |
| |
| // The size of each large-metadata header string. |
| #define PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_SIZE \ |
| ((sizeof(PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_START_STR) - 1) + 2 + \ |
| (sizeof(PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_END_STR) - 1)) |
| |
| // The number of headers we're adding and the total size of the client |
| // payload. |
| #define NUM_HEADERS 46 |
| #define TOO_MUCH_METADATA_FROM_CLIENT_REQUEST_SIZE \ |
| ((sizeof(PFX_TOO_MUCH_METADATA_FROM_CLIENT_REQUEST) - 1) + \ |
| (NUM_HEADERS * PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_SIZE) + 1) |
| |
| #define PFX_TOO_MUCH_METADATA_FROM_SERVER_STR \ |
| "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" /* settings frame: sets \ |
| MAX_HEADER_LIST_SIZE to 8K */ \ |
| "\x00\x00\x06\x04\x00\x00\x00\x00\x00\x00\x06\x00\x00\x20\x00" /* headers: \ |
| generated \ |
| from \ |
| simple_request.headers \ |
| in this \ |
| directory \ |
| */ \ |
| "\x00\x00\x00\x04\x01\x00\x00\x00\x00" \ |
| "\x00\x00\xc9\x01\x04\x00\x00\x00\x01" \ |
| "\x10\x05:path\x08/foo/bar" \ |
| "\x10\x07:scheme\x04http" \ |
| "\x10\x07:method\x04POST" \ |
| "\x10\x0a:authority\x09localhost" \ |
| "\x10\x0c" \ |
| "content-type\x10" \ |
| "application/grpc" \ |
| "\x10\x14grpc-accept-encoding\x15" \ |
| "deflate,identity,gzip" \ |
| "\x10\x02te\x08trailers" \ |
| "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)" |
| |
| static void* tag(intptr_t t) { return (void*)t; } |
| |
| static void server_verifier_sends_too_much_metadata( |
| grpc_server* server, grpc_completion_queue* cq, |
| void* /*registered_method*/) { |
| grpc_call_error error; |
| grpc_call* s; |
| grpc_call_details call_details; |
| cq_verifier* cqv = cq_verifier_create(cq); |
| grpc_metadata_array request_metadata_recv; |
| |
| grpc_call_details_init(&call_details); |
| grpc_metadata_array_init(&request_metadata_recv); |
| |
| error = grpc_server_request_call(server, &s, &call_details, |
| &request_metadata_recv, cq, cq, tag(101)); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| CQ_EXPECT_COMPLETION(cqv, tag(101), 1); |
| cq_verify(cqv); |
| |
| GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.host, "localhost")); |
| GPR_ASSERT(0 == grpc_slice_str_cmp(call_details.method, "/foo/bar")); |
| |
| const size_t metadata_value_size = 8 * 1024; |
| grpc_metadata meta; |
| meta.key = grpc_slice_from_static_string("key"); |
| meta.value = grpc_slice_malloc(metadata_value_size); |
| memset(GRPC_SLICE_START_PTR(meta.value), 'a', metadata_value_size); |
| |
| grpc_op op; |
| memset(&op, 0, sizeof(op)); |
| op.op = GRPC_OP_SEND_INITIAL_METADATA; |
| op.data.send_initial_metadata.count = 1; |
| op.data.send_initial_metadata.metadata = &meta; |
| op.flags = 0; |
| op.reserved = nullptr; |
| error = grpc_call_start_batch(s, &op, 1, tag(102), nullptr); |
| GPR_ASSERT(GRPC_CALL_OK == error); |
| CQ_EXPECT_COMPLETION(cqv, tag(102), 0); // Operation fails. |
| cq_verify(cqv); |
| |
| grpc_slice_unref(meta.value); |
| grpc_metadata_array_destroy(&request_metadata_recv); |
| grpc_call_details_destroy(&call_details); |
| grpc_call_unref(s); |
| cq_verifier_destroy(cqv); |
| } |
| |
| int main(int argc, char** argv) { |
| int i; |
| grpc_init(); |
| grpc::testing::TestEnvironment env(argc, argv); |
| |
| // Test sending more metadata than the server will accept. |
| std::vector<std::string> headers; |
| for (i = 0; i < NUM_HEADERS; ++i) { |
| headers.push_back(absl::StrFormat( |
| "%s%02d%s", PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_START_STR, i, |
| PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_END_STR)); |
| } |
| std::string client_headers = absl::StrJoin(headers, ""); |
| char client_payload[TOO_MUCH_METADATA_FROM_CLIENT_REQUEST_SIZE] = |
| PFX_TOO_MUCH_METADATA_FROM_CLIENT_REQUEST; |
| memcpy(client_payload + sizeof(PFX_TOO_MUCH_METADATA_FROM_CLIENT_REQUEST) - 1, |
| client_headers.data(), client_headers.size()); |
| grpc_bad_client_arg args[2]; |
| args[0] = connection_preface_arg; |
| args[1].client_validator = rst_stream_client_validator; |
| args[1].client_payload = client_payload; |
| args[1].client_payload_length = sizeof(client_payload) - 1; |
| |
| grpc_run_bad_client_test(server_verifier_request_call, args, 2, 0); |
| |
| // Test sending more metadata than the client will accept. |
| GRPC_RUN_BAD_CLIENT_TEST(server_verifier_sends_too_much_metadata, |
| rst_stream_client_validator, |
| PFX_TOO_MUCH_METADATA_FROM_SERVER_STR, 0); |
| grpc_shutdown(); |
| return 0; |
| } |