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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/components/onc/onc_validator.h"
#include <stddef.h>
#include <stdint.h>
#include <optional>
#include <string_view>
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/values.h"
#include "chromeos/components/onc/onc_signature.h"
namespace chromeos {
namespace onc {
namespace {
// Holds the state and performs initialization that's shared across fuzzer runs.
struct Environment {
Environment() {
// Prevent spamming stdout with ONC validation errors.
logging::SetMinLogLevel(logging::LOGGING_FATAL);
}
};
} // namespace
// Fuzzer for methods of the `Validator` class.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
static Environment env;
std::optional<base::Value::Dict> parsed_json = base::JSONReader::ReadDict(
std::string_view(reinterpret_cast<const char*>(data), size));
if (!parsed_json) {
return 0;
}
for (bool error_on_unknown_field : {false, true}) {
for (bool error_on_wrong_recommended : {false, true}) {
for (bool error_on_missing_field : {false, true}) {
for (bool managed_onc : {false, true}) {
Validator validator(
error_on_unknown_field, error_on_wrong_recommended,
error_on_missing_field, managed_onc, /*log_warnings=*/false);
Validator::Result validation_result;
validator.ValidateAndRepairObject(&kNetworkConfigurationSignature,
*parsed_json, &validation_result);
}
}
}
}
return 0;
}
} // namespace onc
} // namespace chromeos
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