1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <stdint.h>
20 #include <string.h>
21
22 #include <grpc/grpc.h>
23 #include <grpc/support/alloc.h>
24 #include <grpc/support/log.h>
25
26 #include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
27 #include "src/core/lib/iomgr/exec_ctx.h"
28 #include "src/core/lib/slice/slice_internal.h"
29
30 bool squelch = true;
31 bool leak_check = true;
32
onhdr(void * ud,grpc_mdelem md)33 static void onhdr(void* ud, grpc_mdelem md) { GRPC_MDELEM_UNREF(md); }
dont_log(gpr_log_func_args * args)34 static void dont_log(gpr_log_func_args* args) {}
35
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)36 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
37 grpc_test_only_set_slice_hash_seed(0);
38 if (squelch) gpr_set_log_function(dont_log);
39 grpc_init();
40 grpc_chttp2_hpack_parser parser;
41 {
42 grpc_core::ExecCtx exec_ctx;
43 grpc_chttp2_hpack_parser_init(&parser);
44 parser.on_header = onhdr;
45 GRPC_ERROR_UNREF(grpc_chttp2_hpack_parser_parse(
46 &parser, grpc_slice_from_static_buffer(data, size)));
47 grpc_chttp2_hpack_parser_destroy(&parser);
48 }
49 grpc_shutdown();
50 return 0;
51 }
52