1 /*
2 *
3 * Copyright 2016 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 <stdbool.h>
20 #include <stdint.h>
21 #include <string.h>
22
23 #include <grpc/grpc.h>
24 #include <grpc/support/alloc.h>
25 #include <grpc/support/log.h>
26
27 #include "src/core/lib/slice/percent_encoding.h"
28 #include "test/core/util/memory_counters.h"
29
30 bool squelch = true;
31 bool leak_check = true;
32
test(const uint8_t * data,size_t size,const uint8_t * dict)33 static void test(const uint8_t* data, size_t size, const uint8_t* dict) {
34 struct grpc_memory_counters counters;
35 grpc_init();
36 grpc_memory_counters_init();
37 grpc_slice input =
38 grpc_slice_from_copied_buffer(reinterpret_cast<const char*>(data), size);
39 grpc_slice output = grpc_percent_encode_slice(input, dict);
40 grpc_slice decoded_output;
41 // encoder must always produce decodable output
42 GPR_ASSERT(grpc_strict_percent_decode_slice(output, dict, &decoded_output));
43 grpc_slice permissive_decoded_output =
44 grpc_permissive_percent_decode_slice(output);
45 // and decoded output must always match the input
46 GPR_ASSERT(grpc_slice_eq(input, decoded_output));
47 GPR_ASSERT(grpc_slice_eq(input, permissive_decoded_output));
48 grpc_slice_unref(input);
49 grpc_slice_unref(output);
50 grpc_slice_unref(decoded_output);
51 grpc_slice_unref(permissive_decoded_output);
52 counters = grpc_memory_counters_snapshot();
53 grpc_memory_counters_destroy();
54 grpc_shutdown();
55 GPR_ASSERT(counters.total_size_relative == 0);
56 }
57
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)58 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
59 test(data, size, grpc_url_percent_encoding_unreserved_bytes);
60 test(data, size, grpc_compatible_percent_encoding_unreserved_bytes);
61 return 0;
62 }
63