diff options
Diffstat (limited to 'test/core/bad_client/tests/large_metadata.c')
| -rw-r--r-- | test/core/bad_client/tests/large_metadata.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/test/core/bad_client/tests/large_metadata.c b/test/core/bad_client/tests/large_metadata.c new file mode 100644 index 0000000000..ded5f17d4a --- /dev/null +++ b/test/core/bad_client/tests/large_metadata.c @@ -0,0 +1,248 @@ +/* + * + * 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" \ + "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\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 == strcmp(call_details.host, "localhost")); + GPR_ASSERT(0 == strcmp(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 == strcmp(call_details.host, "localhost")); + GPR_ASSERT(0 == strcmp(call_details.method, "/foo/bar")); + + const size_t metadata_value_size = 16 * 1024; + grpc_metadata meta; + meta.key = "key"; + meta.value = gpr_malloc(metadata_value_size + 1); + memset((char *)meta.value, 'a', metadata_value_size); + ((char *)meta.value)[metadata_value_size] = 0; + meta.value_length = 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); + + gpr_free((char *)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(gpr_slice_buffer *incoming) { + // Get last frame from incoming slice buffer. + gpr_slice_buffer last_frame_buffer; + gpr_slice_buffer_init(&last_frame_buffer); + gpr_slice_buffer_trim_end(incoming, 13, &last_frame_buffer); + GPR_ASSERT(last_frame_buffer.count == 1); + gpr_slice last_frame = last_frame_buffer.slices[0]; + // Construct expected frame. + gpr_slice expected = gpr_slice_malloc(13); + uint8_t *p = GPR_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(gpr_slice_cmp(last_frame, expected) == 0); + gpr_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; +} |