// Copyright 2026 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//

////////////////////////////////////////////////////////////////////////////////

#include "fw-update/package_parser.hpp"

#include <cstdint>

#include <cstddef>

#include <vector>

#include <memory>

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

    if (size < 1) {

        return 0;

    }

    std::vector<uint8_t> fwPkgHdr(data, data + size);

    try {

        auto parser = pldm::fw_update::parsePkgHeader(fwPkgHdr);

        if (parser) {

            // We use the total size of the fuzzer input as the package size.

            // In a real scenario, the package size is the sum of the header and the payload.

            // Since the fuzzer input contains both, 'size' is the correct total size.

            parser->parse(fwPkgHdr, size);

        }

    } catch (...) {

        // Ignore all exceptions thrown by the parser, as they represent

        // expected behavior when parsing invalid or malformed packages.

    }

    return 0;

}