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https://github.com/reactos/reactos.git
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92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/* Copyright (c) Mark Harmstone 2016-17
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*
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* This file is part of WinBtrfs.
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*
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* WinBtrfs is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public Licence as published by
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* the Free Software Foundation, either version 3 of the Licence, or
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* (at your option) any later version.
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*
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* WinBtrfs is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public Licence for more details.
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*
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* You should have received a copy of the GNU Lesser General Public Licence
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* along with WinBtrfs. If not, see <http://www.gnu.org/licenses/>. */
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#include "shellext.h"
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#ifndef __REACTOS__
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#include <windows.h>
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#include <winternl.h>
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#else
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#define WIN32_NO_STATUS
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#include <windef.h>
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#include <winbase.h>
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#include <ndk/iofuncs.h>
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#endif
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#include "iconoverlay.h"
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#ifndef __REACTOS__
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#include "../btrfsioctl.h"
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#else
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#include "btrfsioctl.h"
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#endif
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HRESULT __stdcall BtrfsIconOverlay::QueryInterface(REFIID riid, void **ppObj) {
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if (riid == IID_IUnknown || riid == IID_IShellIconOverlayIdentifier) {
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*ppObj = static_cast<IShellIconOverlayIdentifier*>(this);
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AddRef();
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return S_OK;
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}
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*ppObj = nullptr;
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return E_NOINTERFACE;
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}
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HRESULT __stdcall BtrfsIconOverlay::GetOverlayInfo(PWSTR pwszIconFile, int cchMax, int* pIndex, DWORD* pdwFlags) {
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if (GetModuleFileNameW(module, pwszIconFile, cchMax) == 0)
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return E_FAIL;
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if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
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return E_FAIL;
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if (!pIndex)
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return E_INVALIDARG;
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if (!pdwFlags)
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return E_INVALIDARG;
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*pIndex = 0;
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*pdwFlags = ISIOI_ICONFILE | ISIOI_ICONINDEX;
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return S_OK;
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}
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HRESULT __stdcall BtrfsIconOverlay::GetPriority(int *pPriority) {
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if (!pPriority)
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return E_INVALIDARG;
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*pPriority = 0;
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return S_OK;
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}
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HRESULT __stdcall BtrfsIconOverlay::IsMemberOf(PCWSTR pwszPath, DWORD dwAttrib) {
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win_handle h;
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NTSTATUS Status;
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IO_STATUS_BLOCK iosb;
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btrfs_get_file_ids bgfi;
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h = CreateFileW(pwszPath, 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
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if (h == INVALID_HANDLE_VALUE)
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return S_FALSE;
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Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_GET_FILE_IDS, nullptr, 0, &bgfi, sizeof(btrfs_get_file_ids));
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if (!NT_SUCCESS(Status))
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return S_FALSE;
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return (bgfi.inode == 0x100 && !bgfi.top) ? S_OK : S_FALSE;
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}
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