| 1 | /* $Id: shflhandle.h 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Shared Folders Host Service - Handles helper functions header.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef VBOX_INCLUDED_SRC_SharedFolders_shflhandle_h
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| 19 | #define VBOX_INCLUDED_SRC_SharedFolders_shflhandle_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include "shfl.h"
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| 25 | #include <VBox/shflsvc.h>
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| 26 | #include <iprt/dir.h>
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| 27 |
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| 28 | #define SHFL_HF_TYPE_MASK (0x000000FF)
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| 29 | #define SHFL_HF_TYPE_DIR (0x00000001)
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| 30 | #define SHFL_HF_TYPE_FILE (0x00000002)
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| 31 | #define SHFL_HF_TYPE_VOLUME (0x00000004)
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| 32 | #define SHFL_HF_TYPE_DONTUSE (0x00000080)
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| 33 |
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| 34 | #define SHFL_HF_VALID (0x80000000)
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| 35 |
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| 36 | #define SHFLHANDLE_MAX (4096)
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| 37 |
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| 38 | typedef struct _SHFLHANDLEHDR
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| 39 | {
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| 40 | uint32_t u32Flags;
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| 41 | } SHFLHANDLEHDR;
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| 42 |
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| 43 | #define ShflHandleType(__Handle) BIT_FLAG(((SHFLHANDLEHDR *)(__Handle))->u32Flags, SHFL_HF_TYPE_MASK)
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| 44 |
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| 45 | typedef struct _SHFLFILEHANDLE
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| 46 | {
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| 47 | SHFLHANDLEHDR Header;
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| 48 | SHFLROOT root; /* Where the handle has been opened. */
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| 49 | union
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| 50 | {
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| 51 | struct
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| 52 | {
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| 53 | RTFILE Handle;
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| 54 | uint64_t fOpenFlags; /**< RTFILE_O_XXX. */
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| 55 | } file;
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| 56 | struct
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| 57 | {
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| 58 | RTDIR Handle;
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| 59 | RTDIR SearchHandle;
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| 60 | PRTDIRENTRYEX pLastValidEntry; /**< last found file in a directory search */
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| 61 | } dir;
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| 62 | };
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| 63 | } SHFLFILEHANDLE;
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| 64 |
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| 65 |
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| 66 | SHFLHANDLE vbsfAllocDirHandle(PSHFLCLIENTDATA pClient);
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| 67 | SHFLHANDLE vbsfAllocFileHandle(PSHFLCLIENTDATA pClient);
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| 68 | void vbsfFreeFileHandle (PSHFLCLIENTDATA pClient, SHFLHANDLE hHandle);
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| 69 |
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| 70 |
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| 71 | int vbsfInitHandleTable();
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| 72 | int vbsfFreeHandleTable();
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| 73 | SHFLHANDLE vbsfAllocHandle(PSHFLCLIENTDATA pClient, uint32_t uType,
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| 74 | uintptr_t pvUserData);
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| 75 | SHFLFILEHANDLE *vbsfQueryFileHandle(PSHFLCLIENTDATA pClient,
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| 76 | SHFLHANDLE handle);
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| 77 | SHFLFILEHANDLE *vbsfQueryDirHandle(PSHFLCLIENTDATA pClient, SHFLHANDLE handle);
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| 78 | uint32_t vbsfQueryHandleType(PSHFLCLIENTDATA pClient,
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| 79 | SHFLHANDLE handle);
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| 80 |
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| 81 | #endif /* !VBOX_INCLUDED_SRC_SharedFolders_shflhandle_h */
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