qwindowsasfpicture.cpp

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++ // Copyright (C) 2026 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

++ // Qt-Security score:critical reason:data-parser

++

++ #include "qwindowsasfpicture_p.h"

++

++ QT_BEGIN_NAMESPACE

++

++ QImage imageFromAsfFlatPicture(const BLOB &blob)

++ {

++     if (blob.cbSize <= sizeof(QMM_ASF_FLAT_PICTURE))

++         return {};

++

++     const auto *pic = reinterpret_cast<const QMM_ASF_FLAT_PICTURE *>(blob.pBlobData);

++     const BYTE *p = blob.pBlobData + sizeof(QMM_ASF_FLAT_PICTURE);

++     const BYTE *end = blob.pBlobData + blob.cbSize;

++

++     // Skip MIME type (null-terminated UTF-16)

++     while (p + 1 < end && (p[0] || p[1]))

++         p += 2;

++     p += 2;

++     if (p > end)

++         return {};

++

++     // Skip description (null-terminated UTF-16)

++     while (p + 1 < end && (p[0] || p[1]))

++         p += 2;

++     p += 2;

++     if (p > end || pic->dwDataLen > static_cast<DWORD>(end - p))

++         return {};

++

++     QImage img;

++     img.loadFromData(p, pic->dwDataLen);

++     return img;

++ }

++

++ QT_END_NAMESPACE