1 // Copyright 2016 The Chromium Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "../pki/verify_name_match.h"
16
17 #include "../pki/cert_errors.h"
18 #include "../pki/input.h"
19
20 // Entry point for LibFuzzer.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)21 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
22 bssl::der::Input in(data, size);
23 std::string normalized_der;
24 bssl::CertErrors errors;
25 bool success = bssl::NormalizeName(in, &normalized_der, &errors);
26 if (success) {
27 // If the input was successfully normalized, re-normalizing it should
28 // produce the same output again.
29 std::string renormalized_der;
30 bool renormalize_success = bssl::NormalizeName(
31 bssl::der::Input(normalized_der), &renormalized_der, &errors);
32 if (!renormalize_success) {
33 abort();
34 }
35 if (normalized_der != renormalized_der) {
36 abort();
37 }
38 }
39 return 0;
40 }
41