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 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 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
