| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "test/core/bad_client/bad_client.h" |
| |
| #include <string.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/string_util.h> |
| #include "src/core/lib/support/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. |
| #define PFX_TOO_MUCH_METADATA_FROM_CLIENT_PREFIX_STR \ |
| "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" /* settings frame */ \ |
| "\x00\x00\x00\x04\x00\x00\x00\x00\x00" /* headers: generated from \ |
| large_metadata.headers in this \ |
| directory */ \ |
| "\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 95 |
| #define PFX_TOO_MUCH_METADATA_FROM_CLIENT_PAYLOAD_SIZE \ |
| ((sizeof(PFX_TOO_MUCH_METADATA_FROM_CLIENT_PREFIX_STR) - 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 16K */ \ |
| "\x00\x00\x06\x04\x00\x00\x00\x00\x00\x00\x06\x00\x00\x40\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(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")); |
| |
| grpc_metadata_array_destroy(&request_metadata_recv); |
| grpc_call_details_destroy(&call_details); |
| grpc_call_destroy(s); |
| cq_verifier_destroy(cqv); |
| } |
| |
| 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 = 16 * 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 = NULL; |
| error = grpc_call_start_batch(s, &op, 1, tag(102), NULL); |
| 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_destroy(s); |
| cq_verifier_destroy(cqv); |
| } |
| |
| static void client_validator(grpc_slice_buffer *incoming) { |
| // Get last frame from incoming slice buffer. |
| grpc_slice_buffer last_frame_buffer; |
| grpc_slice_buffer_init(&last_frame_buffer); |
| grpc_slice_buffer_trim_end(incoming, 13, &last_frame_buffer); |
| GPR_ASSERT(last_frame_buffer.count == 1); |
| grpc_slice last_frame = last_frame_buffer.slices[0]; |
| // Construct expected frame. |
| grpc_slice expected = grpc_slice_malloc(13); |
| uint8_t *p = GRPC_SLICE_START_PTR(expected); |
| // Length. |
| *p++ = 0; |
| *p++ = 0; |
| *p++ = 4; |
| // Frame type (RST_STREAM). |
| *p++ = 3; |
| // Flags. |
| *p++ = 0; |
| // Stream ID. |
| *p++ = 0; |
| *p++ = 0; |
| *p++ = 0; |
| *p++ = 1; |
| // Payload (error code). |
| *p++ = 0; |
| *p++ = 0; |
| *p++ = 0; |
| *p++ = 11; |
| // Compare actual and expected. |
| GPR_ASSERT(grpc_slice_eq(last_frame, expected)); |
| grpc_slice_buffer_destroy(&last_frame_buffer); |
| } |
| |
| int main(int argc, char **argv) { |
| grpc_test_init(argc, argv); |
| |
| // Test sending more metadata than the server will accept. |
| gpr_strvec headers; |
| gpr_strvec_init(&headers); |
| for (int i = 0; i < NUM_HEADERS; ++i) { |
| char *str; |
| gpr_asprintf(&str, "%s%02d%s", |
| PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_START_STR, i, |
| PFX_TOO_MUCH_METADATA_FROM_CLIENT_HEADER_END_STR); |
| gpr_strvec_add(&headers, str); |
| } |
| size_t headers_len; |
| const char *client_headers = gpr_strvec_flatten(&headers, &headers_len); |
| gpr_strvec_destroy(&headers); |
| char client_payload[PFX_TOO_MUCH_METADATA_FROM_CLIENT_PAYLOAD_SIZE] = |
| PFX_TOO_MUCH_METADATA_FROM_CLIENT_PREFIX_STR; |
| memcpy( |
| client_payload + sizeof(PFX_TOO_MUCH_METADATA_FROM_CLIENT_PREFIX_STR) - 1, |
| client_headers, headers_len); |
| GRPC_RUN_BAD_CLIENT_TEST(server_verifier, client_validator, client_payload, |
| 0); |
| gpr_free((void *)client_headers); |
| |
| // Test sending more metadata than the client will accept. |
| GRPC_RUN_BAD_CLIENT_TEST(server_verifier_sends_too_much_metadata, |
| client_validator, |
| PFX_TOO_MUCH_METADATA_FROM_SERVER_STR, 0); |
| |
| return 0; |
| } |