xref: /developtools/hapsigner/hapsigntool_cpp/zip/src/zip_utils.cpp

/*
 * Copyright (c) 2024-2024 Huawei Device Co., Ltd.
 * 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 <cinttypes>
#include <algorithm>
#include <stdexcept>
#include <string>

#include "zip_utils.h"

namespace OHOS {
namespace SignatureTools {
bool ZipUtils::SetCentralDirectoryOffset(ByteBuffer& eocd, int64_t offset)
{
    if (!SetUInt32ToBuffer(eocd, eocd.GetPosition() + ZIP_CENTRAL_DIR_OFFSET_IN_EOCD, offset)) {
        SIGNATURE_TOOLS_LOGE("Set Central Directory Offset failed.");
        return false;
    }
    return true;
}

bool ZipUtils::SetUInt32ToBuffer(ByteBuffer& buffer, int offset, int64_t value)
{
    SIGNATURE_TOOLS_LOGI("offset: %d, value: %" PRId64 ", UINT32_MAX_VALUE: %" PRId64,
                         offset, value, UINT32_MAX_VALUE);
    if ((value < 0) || (value > UINT32_MAX_VALUE)) {
        SIGNATURE_TOOLS_LOGE("invalid_argument. value of out range: %" PRId64, value);
        return false;
    }
    buffer.PutInt32(offset, static_cast<int>(value));
    return true;
}
} // namespace SignatureTools
} // namespace OHOS