xref: /aosp_15_r20/external/grpc-grpc/test/core/slice/percent_encode_fuzzer.cc (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
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 <stdint.h>
20 #include <string.h>
21 
22 #include <utility>
23 
24 #include <grpc/grpc.h>
25 #include <grpc/support/log.h>
26 
27 #include "src/core/lib/slice/percent_encoding.h"
28 #include "src/core/lib/slice/slice.h"
29 
30 bool squelch = true;
31 bool leak_check = true;
32 
test(const uint8_t * data,size_t size,grpc_core::PercentEncodingType type)33 static void test(const uint8_t* data, size_t size,
34                  grpc_core::PercentEncodingType type) {
35   grpc_init();
36   auto input = grpc_core::Slice::FromCopiedBuffer(
37       reinterpret_cast<const char*>(data), size);
38   auto output = grpc_core::PercentEncodeSlice(input.Ref(), type);
39   auto permissive_decoded_output =
40       grpc_core::PermissivePercentDecodeSlice(std::move(output));
41   // decoded output must always match the input
42   GPR_ASSERT(input == permissive_decoded_output);
43   grpc_shutdown();
44 }
45 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)46 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
47   test(data, size, grpc_core::PercentEncodingType::URL);
48   test(data, size, grpc_core::PercentEncodingType::Compatible);
49   return 0;
50 }
51