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grpc/test/core/http/parser_test.cc

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/*
*
* 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 "src/core/lib/http/parser.h"
#include <stdarg.h>
#include <string.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/lib/gpr/useful.h"
#include "test/core/util/slice_splitter.h"
#include "test/core/util/test_config.h"
static void test_request_succeeds(grpc_slice_split_mode split_mode,
const char* request_text,
const char* expect_method,
grpc_http_version expect_version,
const char* expect_path,
const char* expect_body, ...) {
grpc_http_parser parser;
grpc_slice input_slice = grpc_slice_from_copied_string(request_text);
size_t num_slices;
size_t i;
grpc_slice* slices;
va_list args;
grpc_http_request request;
memset(&request, 0, sizeof(request));
grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
grpc_slice_unref(input_slice);
grpc_http_parser_init(&parser, GRPC_HTTP_REQUEST, &request);
for (i = 0; i < num_slices; i++) {
GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i], nullptr) ==
GRPC_ERROR_NONE);
grpc_slice_unref(slices[i]);
}
GPR_ASSERT(grpc_http_parser_eof(&parser) == GRPC_ERROR_NONE);
GPR_ASSERT(GRPC_HTTP_REQUEST == parser.type);
GPR_ASSERT(0 == strcmp(expect_method, request.method));
GPR_ASSERT(0 == strcmp(expect_path, request.path));
GPR_ASSERT(expect_version == request.version);
if (expect_body != nullptr) {
GPR_ASSERT(strlen(expect_body) == request.body_length);
GPR_ASSERT(0 == memcmp(expect_body, request.body, request.body_length));
} else {
GPR_ASSERT(request.body_length == 0);
}
va_start(args, expect_body);
i = 0;
for (;;) {
char* expect_key;
char* expect_value;
expect_key = va_arg(args, char*);
if (!expect_key) break;
GPR_ASSERT(i < request.hdr_count);
expect_value = va_arg(args, char*);
GPR_ASSERT(expect_value);
GPR_ASSERT(0 == strcmp(expect_key, request.hdrs[i].key));
GPR_ASSERT(0 == strcmp(expect_value, request.hdrs[i].value));
i++;
}
va_end(args);
GPR_ASSERT(i == request.hdr_count);
grpc_http_request_destroy(&request);
grpc_http_parser_destroy(&parser);
gpr_free(slices);
}
static void test_succeeds(grpc_slice_split_mode split_mode,
const char* response_text, int expect_status,
const char* expect_body, ...) {
grpc_http_parser parser;
grpc_slice input_slice = grpc_slice_from_copied_string(response_text);
size_t num_slices;
size_t i;
grpc_slice* slices;
va_list args;
grpc_http_response response;
response = {};
grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
grpc_slice_unref(input_slice);
grpc_http_parser_init(&parser, GRPC_HTTP_RESPONSE, &response);
for (i = 0; i < num_slices; i++) {
GPR_ASSERT(grpc_http_parser_parse(&parser, slices[i], nullptr) ==
GRPC_ERROR_NONE);
grpc_slice_unref(slices[i]);
}
GPR_ASSERT(grpc_http_parser_eof(&parser) == GRPC_ERROR_NONE);
GPR_ASSERT(GRPC_HTTP_RESPONSE == parser.type);
GPR_ASSERT(expect_status == response.status);
if (expect_body != nullptr) {
GPR_ASSERT(strlen(expect_body) == response.body_length);
GPR_ASSERT(0 == memcmp(expect_body, response.body, response.body_length));
} else {
GPR_ASSERT(response.body_length == 0);
}
va_start(args, expect_body);
i = 0;
for (;;) {
char* expect_key;
char* expect_value;
expect_key = va_arg(args, char*);
if (!expect_key) break;
GPR_ASSERT(i < response.hdr_count);
expect_value = va_arg(args, char*);
GPR_ASSERT(expect_value);
GPR_ASSERT(0 == strcmp(expect_key, response.hdrs[i].key));
GPR_ASSERT(0 == strcmp(expect_value, response.hdrs[i].value));
i++;
}
va_end(args);
GPR_ASSERT(i == response.hdr_count);
grpc_http_response_destroy(&response);
grpc_http_parser_destroy(&parser);
gpr_free(slices);
}
static void test_fails(grpc_slice_split_mode split_mode,
const char* response_text) {
grpc_http_parser parser;
grpc_slice input_slice = grpc_slice_from_copied_string(response_text);
size_t num_slices;
size_t i;
grpc_slice* slices;
grpc_error* error = GRPC_ERROR_NONE;
grpc_http_response response;
response = {};
grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
grpc_slice_unref(input_slice);
grpc_http_parser_init(&parser, GRPC_HTTP_RESPONSE, &response);
for (i = 0; i < num_slices; i++) {
if (GRPC_ERROR_NONE == error) {
error = grpc_http_parser_parse(&parser, slices[i], nullptr);
}
grpc_slice_unref(slices[i]);
}
if (GRPC_ERROR_NONE == error) {
error = grpc_http_parser_eof(&parser);
}
GPR_ASSERT(error != GRPC_ERROR_NONE);
GRPC_ERROR_UNREF(error);
grpc_http_response_destroy(&response);
grpc_http_parser_destroy(&parser);
gpr_free(slices);
}
static void test_request_fails(grpc_slice_split_mode split_mode,
const char* request_text) {
grpc_http_parser parser;
grpc_slice input_slice = grpc_slice_from_copied_string(request_text);
size_t num_slices;
size_t i;
grpc_slice* slices;
grpc_error* error = GRPC_ERROR_NONE;
grpc_http_request request;
memset(&request, 0, sizeof(request));
grpc_split_slices(split_mode, &input_slice, 1, &slices, &num_slices);
grpc_slice_unref(input_slice);
grpc_http_parser_init(&parser, GRPC_HTTP_REQUEST, &request);
for (i = 0; i < num_slices; i++) {
if (error == GRPC_ERROR_NONE) {
error = grpc_http_parser_parse(&parser, slices[i], nullptr);
}
grpc_slice_unref(slices[i]);
}
if (error == GRPC_ERROR_NONE) {
error = grpc_http_parser_eof(&parser);
}
GPR_ASSERT(error != GRPC_ERROR_NONE);
GRPC_ERROR_UNREF(error);
grpc_http_request_destroy(&request);
grpc_http_parser_destroy(&parser);
gpr_free(slices);
}
int main(int argc, char** argv) {
size_t i;
const grpc_slice_split_mode split_modes[] = {GRPC_SLICE_SPLIT_IDENTITY,
GRPC_SLICE_SPLIT_ONE_BYTE};
char *tmp1, *tmp2;
grpc::testing::TestEnvironment env(argc, argv);
grpc_init();
for (i = 0; i < GPR_ARRAY_SIZE(split_modes); i++) {
test_succeeds(split_modes[i],
"HTTP/1.0 200 OK\r\n"
"xyz: abc\r\n"
"\r\n"
"hello world!",
200, "hello world!", "xyz", "abc", NULL);
test_succeeds(split_modes[i],
"HTTP/1.0 404 Not Found\r\n"
"\r\n",
404, nullptr, NULL);
test_succeeds(split_modes[i],
"HTTP/1.1 200 OK\r\n"
"xyz: abc\r\n"
"\r\n"
"hello world!",
200, "hello world!", "xyz", "abc", NULL);
test_succeeds(split_modes[i],
"HTTP/1.1 200 OK\n"
"\n"
"abc",
200, "abc", NULL);
test_request_succeeds(split_modes[i],
"GET / HTTP/1.0\r\n"
"\r\n",
"GET", GRPC_HTTP_HTTP10, "/", nullptr, NULL);
test_request_succeeds(split_modes[i],
"GET / HTTP/1.0\r\n"
"\r\n"
"xyz",
"GET", GRPC_HTTP_HTTP10, "/", "xyz", NULL);
test_request_succeeds(split_modes[i],
"GET / HTTP/1.1\r\n"
"\r\n"
"xyz",
"GET", GRPC_HTTP_HTTP11, "/", "xyz", NULL);
test_request_succeeds(split_modes[i],
"GET / HTTP/2.0\r\n"
"\r\n"
"xyz",
"GET", GRPC_HTTP_HTTP20, "/", "xyz", NULL);
test_request_succeeds(split_modes[i],
"GET / HTTP/1.0\r\n"
"xyz: abc\r\n"
"\r\n"
"xyz",
"GET", GRPC_HTTP_HTTP10, "/", "xyz", "xyz", "abc",
NULL);
test_request_succeeds(split_modes[i],
"GET / HTTP/1.0\n"
"\n"
"xyz",
"GET", GRPC_HTTP_HTTP10, "/", "xyz", NULL);
test_fails(split_modes[i], "HTTP/1.0\r\n");
test_fails(split_modes[i], "HTTP/1.2\r\n");
test_fails(split_modes[i], "HTTP/1.0 000 XYX\r\n");
test_fails(split_modes[i], "HTTP/1.0 200 OK\n");
test_fails(split_modes[i], "HTTP/1.0 200 OK\r\n");
test_fails(split_modes[i], "HTTP/1.0 200 OK\r\nFoo x\r\n");
test_fails(split_modes[i],
"HTTP/1.0 200 OK\r\n"
"xyz: abc\r\n"
" def\r\n"
"\r\n"
"hello world!");
test_request_fails(split_modes[i], "GET\r\n");
test_request_fails(split_modes[i], "GET /\r\n");
test_request_fails(split_modes[i], "GET / HTTP/0.0\r\n");
test_request_fails(split_modes[i], "GET / ____/1.0\r\n");
test_request_fails(split_modes[i], "GET / HTTP/1.2\r\n");
test_request_fails(split_modes[i], "GET / HTTP/1.0\n");
tmp1 =
static_cast<char*>(gpr_malloc(2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH));
memset(tmp1, 'a', 2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH - 1);
tmp1[2 * GRPC_HTTP_PARSER_MAX_HEADER_LENGTH - 1] = 0;
gpr_asprintf(&tmp2, "HTTP/1.0 200 OK\r\nxyz: %s\r\n\r\n", tmp1);
test_fails(split_modes[i], tmp2);
gpr_free(tmp1);
gpr_free(tmp2);
}
grpc_shutdown();
return 0;
}