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- // Copyright 2021 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include <stddef.h>
- #include <stdint.h>
- #include "chromeos/system/name_value_pairs_parser.h"
- namespace chromeos {
- namespace system {
- // We need a class that can be friend of NameValuePairsParser because we fuzz
- // input to private methods that underpin the public methods.
- class NameValuePairsParserFuzzer {
- public:
- void testOneInput(const uint8_t* data, size_t size) {
- const std::string input = std::string(data, data + size);
- name_value_map_.clear();
- testInputAsVpdDumpLine(input);
- testInputAsCrossystemOutputLine(input);
- testInputAsVpdDumpValuesForKey(input);
- }
- private:
- void testInputAsVpdDumpLine(const std::string& input) {
- NameValuePairsParser parser(&name_value_map_);
- parser.ParseNameValuePairs(input, NameValuePairsFormat::kVpdDump,
- "testAsVpd");
- }
- void testInputAsCrossystemOutputLine(const std::string& input) {
- NameValuePairsParser parser(&name_value_map_);
- parser.ParseNameValuePairs(input, NameValuePairsFormat::kCrossystem,
- "testAsCrossystem");
- }
- void testInputAsVpdDumpValuesForKey(const std::string& input) {
- // Test with the input as is as a value (which may be malformed due to
- // the presence of newlines in it).
- testInputAsVpdDumpValueForKey(input);
- // Test with the input as a value on the same line (i.e., without any
- // newline in it).
- std::string value = input;
- value.erase(std::remove(value.begin(), value.end(), '\n'), value.end());
- testInputAsVpdDumpValueForKey(value);
- // TODO(crbug.com/1250434): Check that the value for "key" is |value|.
- }
- void testInputAsVpdDumpValueForKey(const std::string& input) {
- name_value_map_.erase("key");
- testInputAsVpdDumpLine(std::string("\"key\"=\"") + input + "\"\n");
- }
- NameValuePairsParser::NameValueMap name_value_map_;
- };
- } // namespace system
- } // namespace chromeos
- extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- chromeos::system::NameValuePairsParserFuzzer fuzzer;
- fuzzer.testOneInput(data, size);
- return 0;
- }
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