1 // Copyright 2016 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "net/cert/pki/verify_name_match.h" 6 7 #include <stddef.h> 8 #include <stdint.h> 9 10 #include <fuzzer/FuzzedDataProvider.h> 11 12 #include <vector> 13 14 #include "net/der/input.h" 15 16 // Entry point for LibFuzzer. LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)17extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { 18 FuzzedDataProvider fuzzed_data(data, size); 19 20 // Intentionally using uint16_t here to avoid empty |second_part|. 21 size_t first_part_size = fuzzed_data.ConsumeIntegral<uint16_t>(); 22 std::vector<uint8_t> first_part = 23 fuzzed_data.ConsumeBytes<uint8_t>(first_part_size); 24 std::vector<uint8_t> second_part = 25 fuzzed_data.ConsumeRemainingBytes<uint8_t>(); 26 27 net::der::Input in1(first_part.data(), first_part.size()); 28 net::der::Input in2(second_part.data(), second_part.size()); 29 bool match = net::VerifyNameMatch(in1, in2); 30 bool reverse_order_match = net::VerifyNameMatch(in2, in1); 31 // Result should be the same regardless of argument order. 32 CHECK_EQ(match, reverse_order_match); 33 return 0; 34 } 35