--- /dev/null
+/** @file
+ * Shared Folders: Common header for host service and guest clients.
+ */
+
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef ___VBox_shflsvc_h
+#define ___VBox_shflsvc_h
+
+#include <VBox/VMMDevCoreTypes.h>
+#include <VBox/VBoxGuestCoreTypes.h>
+#include <VBox/hgcmsvc.h>
+#include <iprt/fs.h>
+#include <iprt/assert.h>
+
+
+/** @name Some bit flag manipulation macros.
+ * @{ */
+#ifndef BIT_FLAG
+#define BIT_FLAG(__Field,__Flag) ((__Field) & (__Flag))
+#endif
+
+#ifndef BIT_FLAG_SET
+#define BIT_FLAG_SET(__Field,__Flag) ((__Field) |= (__Flag))
+#endif
+
+#ifndef BIT_FLAG_CLEAR
+#define BIT_FLAG_CLEAR(__Field,__Flag) ((__Field) &= ~(__Flag))
+#endif
+/** @} */
+
+
+/**
+ * Structures shared between guest and the service
+ * can be relocated and use offsets to point to variable
+ * length parts.
+ */
+
+/**
+ * Shared folders protocol works with handles.
+ * Before doing any action on a file system object,
+ * one have to obtain the object handle via a SHFL_FN_CREATE
+ * request. A handle must be closed with SHFL_FN_CLOSE.
+ */
+
+/** Shared Folders service functions. (guest)
+ * @{
+ */
+
+/** Query mappings changes. */
+#define SHFL_FN_QUERY_MAPPINGS (1)
+/** Query mappings changes. */
+#define SHFL_FN_QUERY_MAP_NAME (2)
+/** Open/create object. */
+#define SHFL_FN_CREATE (3)
+/** Close object handle. */
+#define SHFL_FN_CLOSE (4)
+/** Read object content. */
+#define SHFL_FN_READ (5)
+/** Write new object content. */
+#define SHFL_FN_WRITE (6)
+/** Lock/unlock a range in the object. */
+#define SHFL_FN_LOCK (7)
+/** List object content. */
+#define SHFL_FN_LIST (8)
+/** Query/set object information. */
+#define SHFL_FN_INFORMATION (9)
+/** Remove object */
+#define SHFL_FN_REMOVE (11)
+/** Map folder (legacy) */
+#define SHFL_FN_MAP_FOLDER_OLD (12)
+/** Unmap folder */
+#define SHFL_FN_UNMAP_FOLDER (13)
+/** Rename object (possibly moving it to another directory) */
+#define SHFL_FN_RENAME (14)
+/** Flush file */
+#define SHFL_FN_FLUSH (15)
+/** @todo macl, a description, please. */
+#define SHFL_FN_SET_UTF8 (16)
+/** Map folder */
+#define SHFL_FN_MAP_FOLDER (17)
+/** Read symlink destination (as of VBox 4.0) */
+#define SHFL_FN_READLINK (18)
+/** Create symlink (as of VBox 4.0) */
+#define SHFL_FN_SYMLINK (19)
+/** Ask host to show symlinks (as of VBox 4.0) */
+#define SHFL_FN_SET_SYMLINKS (20)
+
+/** @} */
+
+/** Shared Folders service functions. (host)
+ * @{
+ */
+
+/** Add shared folder mapping. */
+#define SHFL_FN_ADD_MAPPING (1)
+/** Remove shared folder mapping. */
+#define SHFL_FN_REMOVE_MAPPING (2)
+/** Set the led status light address. */
+#define SHFL_FN_SET_STATUS_LED (3)
+/** Allow the guest to create symbolic links (as of VBox 4.0) */
+#define SHFL_FN_ALLOW_SYMLINKS_CREATE (4)
+/** @} */
+
+/** Root handle for a mapping. Root handles are unique.
+ * @note
+ * Function parameters structures consider
+ * the root handle as 32 bit value. If the typedef
+ * will be changed, then function parameters must be
+ * changed accordingly. All those parameters are marked
+ * with SHFLROOT in comments.
+ */
+typedef uint32_t SHFLROOT;
+
+#define SHFL_ROOT_NIL ((SHFLROOT)~0)
+
+
+/** A shared folders handle for an opened object. */
+typedef uint64_t SHFLHANDLE;
+
+#define SHFL_HANDLE_NIL ((SHFLHANDLE)~0LL)
+#define SHFL_HANDLE_ROOT ((SHFLHANDLE)0LL)
+
+/** Hardcoded maximum length (in chars) of a shared folder name. */
+#define SHFL_MAX_LEN (256)
+/** Hardcoded maximum number of shared folder mapping available to the guest. */
+#define SHFL_MAX_MAPPINGS (64)
+
+/** @name Shared Folders strings. They can be either UTF-8 or UTF-16.
+ * @{
+ */
+
+/**
+ * Shared folder string buffer structure.
+ */
+typedef struct _SHFLSTRING
+{
+ /** Allocated size of the String member in bytes. */
+ uint16_t u16Size;
+
+ /** Length of string without trailing nul in bytes. */
+ uint16_t u16Length;
+
+ /** UTF-8 or UTF-16 string. Nul terminated. */
+ union
+ {
+#if 1
+ uint8_t utf8[1];
+ RTUTF16 utf16[1];
+ uint16_t ucs2[1]; /**< misnomer, use utf16. */
+#else
+ uint8_t utf8[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
+ RTUTF16 utf16[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
+ RTUTF16 ucs2[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION]; /**< misnomer, use utf16. */
+#endif
+ } String;
+} SHFLSTRING;
+AssertCompileSize(RTUTF16, 2);
+AssertCompileSize(SHFLSTRING, 6);
+AssertCompileMemberOffset(SHFLSTRING, String, 4);
+/** The size of SHFLSTRING w/o the string part. */
+#define SHFLSTRING_HEADER_SIZE 4
+AssertCompileMemberOffset(SHFLSTRING, String, SHFLSTRING_HEADER_SIZE);
+
+/** Pointer to a shared folder string buffer. */
+typedef SHFLSTRING *PSHFLSTRING;
+/** Pointer to a const shared folder string buffer. */
+typedef const SHFLSTRING *PCSHFLSTRING;
+
+/** Calculate size of the string. */
+DECLINLINE(uint32_t) ShflStringSizeOfBuffer(PCSHFLSTRING pString)
+{
+ return pString ? (uint32_t)(SHFLSTRING_HEADER_SIZE + pString->u16Size) : 0;
+}
+
+DECLINLINE(uint32_t) ShflStringLength(PCSHFLSTRING pString)
+{
+ return pString ? pString->u16Length : 0;
+}
+
+DECLINLINE(PSHFLSTRING) ShflStringInitBuffer(void *pvBuffer, uint32_t u32Size)
+{
+ PSHFLSTRING pString = NULL;
+ const uint32_t u32HeaderSize = SHFLSTRING_HEADER_SIZE;
+
+ /*
+ * Check that the buffer size is big enough to hold a zero sized string
+ * and is not too big to fit into 16 bit variables.
+ */
+ if (u32Size >= u32HeaderSize && u32Size - u32HeaderSize <= 0xFFFF)
+ {
+ pString = (PSHFLSTRING)pvBuffer;
+ pString->u16Size = (uint16_t)(u32Size - u32HeaderSize);
+ pString->u16Length = 0;
+ if (pString->u16Size >= sizeof(pString->String.ucs2[0]))
+ pString->String.ucs2[0] = 0;
+ else if (pString->u16Size >= sizeof(pString->String.utf8[0]))
+ pString->String.utf8[0] = 0;
+ }
+
+ return pString;
+}
+
+/**
+ * Validates a HGCM string output parameter.
+ *
+ * @returns true if valid, false if not.
+ *
+ * @param pString The string buffer pointer.
+ * @param cbBuf The buffer size from the parameter.
+ */
+DECLINLINE(bool) ShflStringIsValidOut(PCSHFLSTRING pString, uint32_t cbBuf)
+{
+ if (RT_LIKELY(cbBuf > RT_UOFFSETOF(SHFLSTRING, String)))
+ if (RT_LIKELY((uint32_t)pString->u16Size + RT_UOFFSETOF(SHFLSTRING, String) <= cbBuf))
+ if (RT_LIKELY(pString->u16Length < pString->u16Size))
+ return true;
+ return false;
+}
+
+/**
+ * Validates a HGCM string input parameter.
+ *
+ * @returns true if valid, false if not.
+ *
+ * @param pString The string buffer pointer.
+ * @param cbBuf The buffer size from the parameter.
+ * @param fUtf8Not16 Set if UTF-8 encoding, clear if UTF-16 encoding.
+ */
+DECLINLINE(bool) ShflStringIsValidIn(PCSHFLSTRING pString, uint32_t cbBuf, bool fUtf8Not16)
+{
+ int rc;
+ if (RT_LIKELY(cbBuf > RT_UOFFSETOF(SHFLSTRING, String)))
+ {
+ if (RT_LIKELY((uint32_t)pString->u16Size + RT_UOFFSETOF(SHFLSTRING, String) <= cbBuf))
+ {
+ if (fUtf8Not16)
+ {
+ /* UTF-8: */
+ if (RT_LIKELY(pString->u16Length < pString->u16Size))
+ {
+ rc = RTStrValidateEncodingEx((const char *)&pString->String.utf8[0], pString->u16Length + 1,
+ RTSTR_VALIDATE_ENCODING_EXACT_LENGTH | RTSTR_VALIDATE_ENCODING_ZERO_TERMINATED);
+ if (RT_SUCCESS(rc))
+ return true;
+ }
+ }
+ else
+ {
+ /* UTF-16: */
+ if (RT_LIKELY(!(pString->u16Length & 1)))
+ {
+ if (RT_LIKELY((uint32_t)sizeof(RTUTF16) + pString->u16Length <= pString->u16Size))
+ {
+ rc = RTUtf16ValidateEncodingEx(&pString->String.ucs2[0], pString->u16Length / 2 + 1,
+ RTSTR_VALIDATE_ENCODING_EXACT_LENGTH
+ | RTSTR_VALIDATE_ENCODING_ZERO_TERMINATED);
+ if (RT_SUCCESS(rc))
+ return true;
+ }
+ }
+ }
+ }
+ }
+ return false;
+}
+
+/**
+ * Validates an optional HGCM string input parameter.
+ *
+ * @returns true if valid, false if not.
+ *
+ * @param pString The string buffer pointer. Can be NULL.
+ * @param cbBuf The buffer size from the parameter.
+ * @param fUtf8Not16 Set if UTF-8 encoding, clear if UTF-16 encoding.
+ */
+DECLINLINE(bool) ShflStringIsValidOrNullIn(PCSHFLSTRING pString, uint32_t cbBuf, bool fUtf8Not16)
+{
+ if (pString)
+ return ShflStringIsValidIn(pString, cbBuf, fUtf8Not16);
+ if (RT_LIKELY(cbBuf == 0))
+ return true;
+ return false;
+}
+
+/** @} */
+
+
+/**
+ * The available additional information in a SHFLFSOBJATTR object.
+ */
+typedef enum SHFLFSOBJATTRADD
+{
+ /** No additional information is available / requested. */
+ SHFLFSOBJATTRADD_NOTHING = 1,
+ /** The additional unix attributes (SHFLFSOBJATTR::u::Unix) are
+ * available / requested. */
+ SHFLFSOBJATTRADD_UNIX,
+ /** The additional extended attribute size (SHFLFSOBJATTR::u::EASize) is
+ * available / requested. */
+ SHFLFSOBJATTRADD_EASIZE,
+ /** The last valid item (inclusive).
+ * The valid range is SHFLFSOBJATTRADD_NOTHING thru
+ * SHFLFSOBJATTRADD_LAST. */
+ SHFLFSOBJATTRADD_LAST = SHFLFSOBJATTRADD_EASIZE,
+
+ /** The usual 32-bit hack. */
+ SHFLFSOBJATTRADD_32BIT_SIZE_HACK = 0x7fffffff
+} SHFLFSOBJATTRADD;
+
+
+/* Assert sizes of the IRPT types we're using below. */
+AssertCompileSize(RTFMODE, 4);
+AssertCompileSize(RTFOFF, 8);
+AssertCompileSize(RTINODE, 8);
+AssertCompileSize(RTTIMESPEC, 8);
+AssertCompileSize(RTDEV, 4);
+AssertCompileSize(RTUID, 4);
+
+/**
+ * Shared folder filesystem object attributes.
+ */
+#pragma pack(1)
+typedef struct SHFLFSOBJATTR
+{
+ /** Mode flags (st_mode). RTFS_UNIX_*, RTFS_TYPE_*, and RTFS_DOS_*.
+ * @remarks We depend on a number of RTFS_ defines to remain unchanged.
+ * Fortuntately, these are depending on windows, dos and unix
+ * standard values, so this shouldn't be much of a pain. */
+ RTFMODE fMode;
+
+ /** The additional attributes available. */
+ SHFLFSOBJATTRADD enmAdditional;
+
+ /**
+ * Additional attributes.
+ *
+ * Unless explicitly specified to an API, the API can provide additional
+ * data as it is provided by the underlying OS.
+ */
+ union SHFLFSOBJATTRUNION
+ {
+ /** Additional Unix Attributes
+ * These are available when SHFLFSOBJATTRADD is set in fUnix.
+ */
+ struct SHFLFSOBJATTRUNIX
+ {
+ /** The user owning the filesystem object (st_uid).
+ * This field is ~0U if not supported. */
+ RTUID uid;
+
+ /** The group the filesystem object is assigned (st_gid).
+ * This field is ~0U if not supported. */
+ RTGID gid;
+
+ /** Number of hard links to this filesystem object (st_nlink).
+ * This field is 1 if the filesystem doesn't support hardlinking or
+ * the information isn't available.
+ */
+ uint32_t cHardlinks;
+
+ /** The device number of the device which this filesystem object resides on (st_dev).
+ * This field is 0 if this information is not available. */
+ RTDEV INodeIdDevice;
+
+ /** The unique identifier (within the filesystem) of this filesystem object (st_ino).
+ * Together with INodeIdDevice, this field can be used as a OS wide unique id
+ * when both their values are not 0.
+ * This field is 0 if the information is not available. */
+ RTINODE INodeId;
+
+ /** User flags (st_flags).
+ * This field is 0 if this information is not available. */
+ uint32_t fFlags;
+
+ /** The current generation number (st_gen).
+ * This field is 0 if this information is not available. */
+ uint32_t GenerationId;
+
+ /** The device number of a character or block device type object (st_rdev).
+ * This field is 0 if the file isn't of a character or block device type and
+ * when the OS doesn't subscribe to the major+minor device idenfication scheme. */
+ RTDEV Device;
+ } Unix;
+
+ /**
+ * Extended attribute size.
+ */
+ struct SHFLFSOBJATTREASIZE
+ {
+ /** Size of EAs. */
+ RTFOFF cb;
+ } EASize;
+ } u;
+} SHFLFSOBJATTR;
+#pragma pack()
+AssertCompileSize(SHFLFSOBJATTR, 44);
+/** Pointer to a shared folder filesystem object attributes structure. */
+typedef SHFLFSOBJATTR *PSHFLFSOBJATTR;
+/** Pointer to a const shared folder filesystem object attributes structure. */
+typedef const SHFLFSOBJATTR *PCSHFLFSOBJATTR;
+
+
+/**
+ * Filesystem object information structure.
+ */
+#pragma pack(1)
+typedef struct SHFLFSOBJINFO
+{
+ /** Logical size (st_size).
+ * For normal files this is the size of the file.
+ * For symbolic links, this is the length of the path name contained
+ * in the symbolic link.
+ * For other objects this fields needs to be specified.
+ */
+ RTFOFF cbObject;
+
+ /** Disk allocation size (st_blocks * DEV_BSIZE). */
+ RTFOFF cbAllocated;
+
+ /** Time of last access (st_atime).
+ * @remarks Here (and other places) we depend on the IPRT timespec to
+ * remain unchanged. */
+ RTTIMESPEC AccessTime;
+
+ /** Time of last data modification (st_mtime). */
+ RTTIMESPEC ModificationTime;
+
+ /** Time of last status change (st_ctime).
+ * If not available this is set to ModificationTime.
+ */
+ RTTIMESPEC ChangeTime;
+
+ /** Time of file birth (st_birthtime).
+ * If not available this is set to ChangeTime.
+ */
+ RTTIMESPEC BirthTime;
+
+ /** Attributes. */
+ SHFLFSOBJATTR Attr;
+
+} SHFLFSOBJINFO;
+#pragma pack()
+AssertCompileSize(SHFLFSOBJINFO, 92);
+/** Pointer to a shared folder filesystem object information structure. */
+typedef SHFLFSOBJINFO *PSHFLFSOBJINFO;
+/** Pointer to a const shared folder filesystem object information
+ * structure. */
+typedef const SHFLFSOBJINFO *PCSHFLFSOBJINFO;
+
+
+/**
+ * Copy file system objinfo from IPRT to shared folder format.
+ *
+ * @param pDst The shared folder structure.
+ * @param pSrc The IPRT structure.
+ */
+DECLINLINE(void) vbfsCopyFsObjInfoFromIprt(PSHFLFSOBJINFO pDst, PCRTFSOBJINFO pSrc)
+{
+ pDst->cbObject = pSrc->cbObject;
+ pDst->cbAllocated = pSrc->cbAllocated;
+ pDst->AccessTime = pSrc->AccessTime;
+ pDst->ModificationTime = pSrc->ModificationTime;
+ pDst->ChangeTime = pSrc->ChangeTime;
+ pDst->BirthTime = pSrc->BirthTime;
+ pDst->Attr.fMode = pSrc->Attr.fMode;
+ RT_ZERO(pDst->Attr.u);
+ switch (pSrc->Attr.enmAdditional)
+ {
+ default:
+ case RTFSOBJATTRADD_NOTHING:
+ pDst->Attr.enmAdditional = SHFLFSOBJATTRADD_NOTHING;
+ break;
+
+ case RTFSOBJATTRADD_UNIX:
+ pDst->Attr.enmAdditional = SHFLFSOBJATTRADD_UNIX;
+ pDst->Attr.u.Unix.uid = pSrc->Attr.u.Unix.uid;
+ pDst->Attr.u.Unix.gid = pSrc->Attr.u.Unix.gid;
+ pDst->Attr.u.Unix.cHardlinks = pSrc->Attr.u.Unix.cHardlinks;
+ pDst->Attr.u.Unix.INodeIdDevice = pSrc->Attr.u.Unix.INodeIdDevice;
+ pDst->Attr.u.Unix.INodeId = pSrc->Attr.u.Unix.INodeId;
+ pDst->Attr.u.Unix.fFlags = pSrc->Attr.u.Unix.fFlags;
+ pDst->Attr.u.Unix.GenerationId = pSrc->Attr.u.Unix.GenerationId;
+ pDst->Attr.u.Unix.Device = pSrc->Attr.u.Unix.Device;
+ break;
+
+ case RTFSOBJATTRADD_EASIZE:
+ pDst->Attr.enmAdditional = SHFLFSOBJATTRADD_EASIZE;
+ pDst->Attr.u.EASize.cb = pSrc->Attr.u.EASize.cb;
+ break;
+ }
+}
+
+
+/** Result of an open/create request.
+ * Along with handle value the result code
+ * identifies what has happened while
+ * trying to open the object.
+ */
+typedef enum _SHFLCREATERESULT
+{
+ SHFL_NO_RESULT,
+ /** Specified path does not exist. */
+ SHFL_PATH_NOT_FOUND,
+ /** Path to file exists, but the last component does not. */
+ SHFL_FILE_NOT_FOUND,
+ /** File already exists and either has been opened or not. */
+ SHFL_FILE_EXISTS,
+ /** New file was created. */
+ SHFL_FILE_CREATED,
+ /** Existing file was replaced or overwritten. */
+ SHFL_FILE_REPLACED
+} SHFLCREATERESULT;
+
+
+/** Open/create flags.
+ * @{
+ */
+
+/** No flags. Initialization value. */
+#define SHFL_CF_NONE (0x00000000)
+
+/** Lookup only the object, do not return a handle. All other flags are ignored. */
+#define SHFL_CF_LOOKUP (0x00000001)
+
+/** Open parent directory of specified object.
+ * Useful for the corresponding Windows FSD flag
+ * and for opening paths like \\dir\\*.* to search the 'dir'.
+ * @todo possibly not needed???
+ */
+#define SHFL_CF_OPEN_TARGET_DIRECTORY (0x00000002)
+
+/** Create/open a directory. */
+#define SHFL_CF_DIRECTORY (0x00000004)
+
+/** Open/create action to do if object exists
+ * and if the object does not exists.
+ * REPLACE file means atomically DELETE and CREATE.
+ * OVERWRITE file means truncating the file to 0 and
+ * setting new size.
+ * When opening an existing directory REPLACE and OVERWRITE
+ * actions are considered invalid, and cause returning
+ * FILE_EXISTS with NIL handle.
+ */
+#define SHFL_CF_ACT_MASK_IF_EXISTS (0x000000F0)
+#define SHFL_CF_ACT_MASK_IF_NEW (0x00000F00)
+
+/** What to do if object exists. */
+#define SHFL_CF_ACT_OPEN_IF_EXISTS (0x00000000)
+#define SHFL_CF_ACT_FAIL_IF_EXISTS (0x00000010)
+#define SHFL_CF_ACT_REPLACE_IF_EXISTS (0x00000020)
+#define SHFL_CF_ACT_OVERWRITE_IF_EXISTS (0x00000030)
+
+/** What to do if object does not exist. */
+#define SHFL_CF_ACT_CREATE_IF_NEW (0x00000000)
+#define SHFL_CF_ACT_FAIL_IF_NEW (0x00000100)
+
+/** Read/write requested access for the object. */
+#define SHFL_CF_ACCESS_MASK_RW (0x00003000)
+
+/** No access requested. */
+#define SHFL_CF_ACCESS_NONE (0x00000000)
+/** Read access requested. */
+#define SHFL_CF_ACCESS_READ (0x00001000)
+/** Write access requested. */
+#define SHFL_CF_ACCESS_WRITE (0x00002000)
+/** Read/Write access requested. */
+#define SHFL_CF_ACCESS_READWRITE (SHFL_CF_ACCESS_READ | SHFL_CF_ACCESS_WRITE)
+
+/** Requested share access for the object. */
+#define SHFL_CF_ACCESS_MASK_DENY (0x0000C000)
+
+/** Allow any access. */
+#define SHFL_CF_ACCESS_DENYNONE (0x00000000)
+/** Do not allow read. */
+#define SHFL_CF_ACCESS_DENYREAD (0x00004000)
+/** Do not allow write. */
+#define SHFL_CF_ACCESS_DENYWRITE (0x00008000)
+/** Do not allow access. */
+#define SHFL_CF_ACCESS_DENYALL (SHFL_CF_ACCESS_DENYREAD | SHFL_CF_ACCESS_DENYWRITE)
+
+/** Requested access to attributes of the object. */
+#define SHFL_CF_ACCESS_MASK_ATTR (0x00030000)
+
+/** No access requested. */
+#define SHFL_CF_ACCESS_ATTR_NONE (0x00000000)
+/** Read access requested. */
+#define SHFL_CF_ACCESS_ATTR_READ (0x00010000)
+/** Write access requested. */
+#define SHFL_CF_ACCESS_ATTR_WRITE (0x00020000)
+/** Read/Write access requested. */
+#define SHFL_CF_ACCESS_ATTR_READWRITE (SHFL_CF_ACCESS_ATTR_READ | SHFL_CF_ACCESS_ATTR_WRITE)
+
+/** The file is opened in append mode. Ignored if SHFL_CF_ACCESS_WRITE is not set. */
+#define SHFL_CF_ACCESS_APPEND (0x00040000)
+
+/** @} */
+
+#pragma pack(1)
+typedef struct _SHFLCREATEPARMS
+{
+ /* Returned handle of opened object. */
+ SHFLHANDLE Handle;
+
+ /* Returned result of the operation */
+ SHFLCREATERESULT Result;
+
+ /* SHFL_CF_* */
+ uint32_t CreateFlags;
+
+ /* Attributes of object to create and
+ * returned actual attributes of opened/created object.
+ */
+ SHFLFSOBJINFO Info;
+
+} SHFLCREATEPARMS;
+#pragma pack()
+
+typedef SHFLCREATEPARMS *PSHFLCREATEPARMS;
+
+
+/** Shared Folders mappings.
+ * @{
+ */
+
+/** The mapping has been added since last query. */
+#define SHFL_MS_NEW (1)
+/** The mapping has been deleted since last query. */
+#define SHFL_MS_DELETED (2)
+
+typedef struct _SHFLMAPPING
+{
+ /** Mapping status. */
+ uint32_t u32Status;
+ /** Root handle. */
+ SHFLROOT root;
+} SHFLMAPPING;
+/** Pointer to a SHFLMAPPING structure. */
+typedef SHFLMAPPING *PSHFLMAPPING;
+
+/** @} */
+
+/** Shared Folder directory information
+ * @{
+ */
+
+typedef struct _SHFLDIRINFO
+{
+ /** Full information about the object. */
+ SHFLFSOBJINFO Info;
+ /** The length of the short field (number of RTUTF16 chars).
+ * It is 16-bit for reasons of alignment. */
+ uint16_t cucShortName;
+ /** The short name for 8.3 compatibility.
+ * Empty string if not available.
+ */
+ RTUTF16 uszShortName[14];
+ /** @todo malc, a description, please. */
+ SHFLSTRING name;
+} SHFLDIRINFO, *PSHFLDIRINFO;
+
+
+/**
+ * Shared folder filesystem properties.
+ */
+typedef struct SHFLFSPROPERTIES
+{
+ /** The maximum size of a filesystem object name.
+ * This does not include the '\\0'. */
+ uint32_t cbMaxComponent;
+
+ /** True if the filesystem is remote.
+ * False if the filesystem is local. */
+ bool fRemote;
+
+ /** True if the filesystem is case sensitive.
+ * False if the filesystem is case insensitive. */
+ bool fCaseSensitive;
+
+ /** True if the filesystem is mounted read only.
+ * False if the filesystem is mounted read write. */
+ bool fReadOnly;
+
+ /** True if the filesystem can encode unicode object names.
+ * False if it can't. */
+ bool fSupportsUnicode;
+
+ /** True if the filesystem is compresses.
+ * False if it isn't or we don't know. */
+ bool fCompressed;
+
+ /** True if the filesystem compresses of individual files.
+ * False if it doesn't or we don't know. */
+ bool fFileCompression;
+
+ /** @todo more? */
+} SHFLFSPROPERTIES;
+AssertCompileSize(SHFLFSPROPERTIES, 12);
+/** Pointer to a shared folder filesystem properties structure. */
+typedef SHFLFSPROPERTIES *PSHFLFSPROPERTIES;
+/** Pointer to a const shared folder filesystem properties structure. */
+typedef SHFLFSPROPERTIES const *PCSHFLFSPROPERTIES;
+
+
+/**
+ * Copy file system properties from IPRT to shared folder format.
+ *
+ * @param pDst The shared folder structure.
+ * @param pSrc The IPRT structure.
+ */
+DECLINLINE(void) vbfsCopyFsPropertiesFromIprt(PSHFLFSPROPERTIES pDst, PCRTFSPROPERTIES pSrc)
+{
+ RT_ZERO(*pDst); /* zap the implicit padding. */
+ pDst->cbMaxComponent = pSrc->cbMaxComponent;
+ pDst->fRemote = pSrc->fRemote;
+ pDst->fCaseSensitive = pSrc->fCaseSensitive;
+ pDst->fReadOnly = pSrc->fReadOnly;
+ pDst->fSupportsUnicode = pSrc->fSupportsUnicode;
+ pDst->fCompressed = pSrc->fCompressed;
+ pDst->fFileCompression = pSrc->fFileCompression;
+}
+
+
+typedef struct _SHFLVOLINFO
+{
+ RTFOFF ullTotalAllocationBytes;
+ RTFOFF ullAvailableAllocationBytes;
+ uint32_t ulBytesPerAllocationUnit;
+ uint32_t ulBytesPerSector;
+ uint32_t ulSerial;
+ SHFLFSPROPERTIES fsProperties;
+} SHFLVOLINFO, *PSHFLVOLINFO;
+
+/** @} */
+
+/** Function parameter structures.
+ * @{
+ */
+
+/**
+ * SHFL_FN_QUERY_MAPPINGS
+ */
+/** Validation mask. Needs to be adjusted
+ * whenever a new SHFL_MF_ flag is added. */
+#define SHFL_MF_MASK (0x00000011)
+/** UC2 enconded strings. */
+#define SHFL_MF_UCS2 (0x00000000)
+/** Guest uses UTF8 strings, if not set then the strings are unicode (UCS2). */
+#define SHFL_MF_UTF8 (0x00000001)
+/** Just handle the auto-mounted folders. */
+#define SHFL_MF_AUTOMOUNT (0x00000010)
+
+/** Type of guest system. For future system dependent features. */
+#define SHFL_MF_SYSTEM_MASK (0x0000FF00)
+#define SHFL_MF_SYSTEM_NONE (0x00000000)
+#define SHFL_MF_SYSTEM_WINDOWS (0x00000100)
+#define SHFL_MF_SYSTEM_LINUX (0x00000200)
+
+/** Parameters structure. */
+typedef struct _VBoxSFQueryMappings
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** 32bit, in:
+ * Flags describing various client needs.
+ */
+ HGCMFunctionParameter flags;
+
+ /** 32bit, in/out:
+ * Number of mappings the client expects.
+ * This is the number of elements in the
+ * mappings array.
+ */
+ HGCMFunctionParameter numberOfMappings;
+
+ /** pointer, in/out:
+ * Points to array of SHFLMAPPING structures.
+ */
+ HGCMFunctionParameter mappings;
+
+} VBoxSFQueryMappings;
+
+/** Number of parameters */
+#define SHFL_CPARMS_QUERY_MAPPINGS (3)
+
+
+
+/**
+ * SHFL_FN_QUERY_MAP_NAME
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFQueryMapName
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** 32bit, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** pointer, in/out:
+ * Points to SHFLSTRING buffer.
+ */
+ HGCMFunctionParameter name;
+
+} VBoxSFQueryMapName;
+
+/** Number of parameters */
+#define SHFL_CPARMS_QUERY_MAP_NAME (2)
+
+/**
+ * SHFL_FN_MAP_FOLDER_OLD
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFMapFolder_Old
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in:
+ * Points to SHFLSTRING buffer.
+ */
+ HGCMFunctionParameter path;
+
+ /** pointer, out: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** pointer, in: RTUTF16
+ * Path delimiter
+ */
+ HGCMFunctionParameter delimiter;
+
+} VBoxSFMapFolder_Old;
+
+/** Number of parameters */
+#define SHFL_CPARMS_MAP_FOLDER_OLD (3)
+
+/**
+ * SHFL_FN_MAP_FOLDER
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFMapFolder
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in:
+ * Points to SHFLSTRING buffer.
+ */
+ HGCMFunctionParameter path;
+
+ /** pointer, out: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** pointer, in: RTUTF16
+ * Path delimiter
+ */
+ HGCMFunctionParameter delimiter;
+
+ /** pointer, in: SHFLROOT
+ * Case senstive flag
+ */
+ HGCMFunctionParameter fCaseSensitive;
+
+} VBoxSFMapFolder;
+
+/** Number of parameters */
+#define SHFL_CPARMS_MAP_FOLDER (4)
+
+/**
+ * SHFL_FN_UNMAP_FOLDER
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFUnmapFolder
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+} VBoxSFUnmapFolder;
+
+/** Number of parameters */
+#define SHFL_CPARMS_UNMAP_FOLDER (1)
+
+
+/**
+ * SHFL_FN_CREATE
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFCreate
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** pointer, in:
+ * Points to SHFLSTRING buffer.
+ */
+ HGCMFunctionParameter path;
+
+ /** pointer, in/out:
+ * Points to SHFLCREATEPARMS buffer.
+ */
+ HGCMFunctionParameter parms;
+
+} VBoxSFCreate;
+
+/** Number of parameters */
+#define SHFL_CPARMS_CREATE (3)
+
+
+/**
+ * SHFL_FN_CLOSE
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFClose
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+
+ /** value64, in:
+ * SHFLHANDLE of object to close.
+ */
+ HGCMFunctionParameter handle;
+
+} VBoxSFClose;
+
+/** Number of parameters */
+#define SHFL_CPARMS_CLOSE (2)
+
+
+/**
+ * SHFL_FN_READ
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFRead
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** value64, in:
+ * SHFLHANDLE of object to read from.
+ */
+ HGCMFunctionParameter handle;
+
+ /** value64, in:
+ * Offset to read from.
+ */
+ HGCMFunctionParameter offset;
+
+ /** value64, in/out:
+ * Bytes to read/How many were read.
+ */
+ HGCMFunctionParameter cb;
+
+ /** pointer, out:
+ * Buffer to place data to.
+ */
+ HGCMFunctionParameter buffer;
+
+} VBoxSFRead;
+
+/** Number of parameters */
+#define SHFL_CPARMS_READ (5)
+
+
+
+/**
+ * SHFL_FN_WRITE
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFWrite
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** value64, in:
+ * SHFLHANDLE of object to write to.
+ */
+ HGCMFunctionParameter handle;
+
+ /** value64, in:
+ * Offset to write to.
+ */
+ HGCMFunctionParameter offset;
+
+ /** value64, in/out:
+ * Bytes to write/How many were written.
+ */
+ HGCMFunctionParameter cb;
+
+ /** pointer, in:
+ * Data to write.
+ */
+ HGCMFunctionParameter buffer;
+
+} VBoxSFWrite;
+
+/** Number of parameters */
+#define SHFL_CPARMS_WRITE (5)
+
+
+
+/**
+ * SHFL_FN_LOCK
+ */
+
+/** Lock owner is the HGCM client. */
+
+/** Lock mode bit mask. */
+#define SHFL_LOCK_MODE_MASK (0x3)
+/** Cancel lock on the given range. */
+#define SHFL_LOCK_CANCEL (0x0)
+/** Acquire read only lock. Prevent write to the range. */
+#define SHFL_LOCK_SHARED (0x1)
+/** Acquire write lock. Prevent both write and read to the range. */
+#define SHFL_LOCK_EXCLUSIVE (0x2)
+
+/** Do not wait for lock if it can not be acquired at the time. */
+#define SHFL_LOCK_NOWAIT (0x0)
+/** Wait and acquire lock. */
+#define SHFL_LOCK_WAIT (0x4)
+
+/** Lock the specified range. */
+#define SHFL_LOCK_PARTIAL (0x0)
+/** Lock entire object. */
+#define SHFL_LOCK_ENTIRE (0x8)
+
+/** Parameters structure. */
+typedef struct _VBoxSFLock
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** value64, in:
+ * SHFLHANDLE of object to be locked.
+ */
+ HGCMFunctionParameter handle;
+
+ /** value64, in:
+ * Starting offset of lock range.
+ */
+ HGCMFunctionParameter offset;
+
+ /** value64, in:
+ * Length of range.
+ */
+ HGCMFunctionParameter length;
+
+ /** value32, in:
+ * Lock flags SHFL_LOCK_*.
+ */
+ HGCMFunctionParameter flags;
+
+} VBoxSFLock;
+
+/** Number of parameters */
+#define SHFL_CPARMS_LOCK (5)
+
+
+
+/**
+ * SHFL_FN_FLUSH
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFFlush
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** value64, in:
+ * SHFLHANDLE of object to be locked.
+ */
+ HGCMFunctionParameter handle;
+
+} VBoxSFFlush;
+
+/** Number of parameters */
+#define SHFL_CPARMS_FLUSH (2)
+
+/**
+ * SHFL_FN_LIST
+ */
+
+/** Listing information includes variable length RTDIRENTRY[EX] structures. */
+
+/** @todo might be necessary for future. */
+#define SHFL_LIST_NONE 0
+#define SHFL_LIST_RETURN_ONE 1
+
+/** Parameters structure. */
+typedef struct _VBoxSFList
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** value64, in:
+ * SHFLHANDLE of object to be listed.
+ */
+ HGCMFunctionParameter handle;
+
+ /** value32, in:
+ * List flags SHFL_LIST_*.
+ */
+ HGCMFunctionParameter flags;
+
+ /** value32, in/out:
+ * Bytes to be used for listing information/How many bytes were used.
+ */
+ HGCMFunctionParameter cb;
+
+ /** pointer, in/optional
+ * Points to SHFLSTRING buffer that specifies a search path.
+ */
+ HGCMFunctionParameter path;
+
+ /** pointer, out:
+ * Buffer to place listing information to. (SHFLDIRINFO)
+ */
+ HGCMFunctionParameter buffer;
+
+ /** value32, in/out:
+ * Indicates a key where the listing must be resumed.
+ * in: 0 means start from begin of object.
+ * out: 0 means listing completed.
+ */
+ HGCMFunctionParameter resumePoint;
+
+ /** pointer, out:
+ * Number of files returned
+ */
+ HGCMFunctionParameter cFiles;
+
+} VBoxSFList;
+
+/** Number of parameters */
+#define SHFL_CPARMS_LIST (8)
+
+
+
+/**
+ * SHFL_FN_READLINK
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFReadLink
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** pointer, in:
+ * Points to SHFLSTRING buffer.
+ */
+ HGCMFunctionParameter path;
+
+ /** pointer, out:
+ * Buffer to place data to.
+ */
+ HGCMFunctionParameter buffer;
+
+} VBoxSFReadLink;
+
+/** Number of parameters */
+#define SHFL_CPARMS_READLINK (3)
+
+
+
+/**
+ * SHFL_FN_INFORMATION
+ */
+
+/** Mask of Set/Get bit. */
+#define SHFL_INFO_MODE_MASK (0x1)
+/** Get information */
+#define SHFL_INFO_GET (0x0)
+/** Set information */
+#define SHFL_INFO_SET (0x1)
+
+/** Get name of the object. */
+#define SHFL_INFO_NAME (0x2)
+/** Set size of object (extend/trucate); only applies to file objects */
+#define SHFL_INFO_SIZE (0x4)
+/** Get/Set file object info. */
+#define SHFL_INFO_FILE (0x8)
+/** Get volume information. */
+#define SHFL_INFO_VOLUME (0x10)
+
+/** @todo different file info structures */
+
+
+/** Parameters structure. */
+typedef struct _VBoxSFInformation
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** value64, in:
+ * SHFLHANDLE of object to be listed.
+ */
+ HGCMFunctionParameter handle;
+
+ /** value32, in:
+ * SHFL_INFO_*
+ */
+ HGCMFunctionParameter flags;
+
+ /** value32, in/out:
+ * Bytes to be used for information/How many bytes were used.
+ */
+ HGCMFunctionParameter cb;
+
+ /** pointer, in/out:
+ * Information to be set/get (SHFLFSOBJINFO or SHFLSTRING). Do not forget
+ * to set the SHFLFSOBJINFO::Attr::enmAdditional for Get operation as well.
+ */
+ HGCMFunctionParameter info;
+
+} VBoxSFInformation;
+
+/** Number of parameters */
+#define SHFL_CPARMS_INFORMATION (5)
+
+
+/**
+ * SHFL_FN_REMOVE
+ */
+
+#define SHFL_REMOVE_FILE (0x1)
+#define SHFL_REMOVE_DIR (0x2)
+#define SHFL_REMOVE_SYMLINK (0x4)
+
+/** Parameters structure. */
+typedef struct _VBoxSFRemove
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** pointer, in:
+ * Points to SHFLSTRING buffer.
+ */
+ HGCMFunctionParameter path;
+
+ /** value32, in:
+ * remove flags (file/directory)
+ */
+ HGCMFunctionParameter flags;
+
+} VBoxSFRemove;
+
+#define SHFL_CPARMS_REMOVE (3)
+
+
+/**
+ * SHFL_FN_RENAME
+ */
+
+#define SHFL_RENAME_FILE (0x1)
+#define SHFL_RENAME_DIR (0x2)
+#define SHFL_RENAME_REPLACE_IF_EXISTS (0x4)
+
+/** Parameters structure. */
+typedef struct _VBoxSFRename
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** pointer, in:
+ * Points to SHFLSTRING src.
+ */
+ HGCMFunctionParameter src;
+
+ /** pointer, in:
+ * Points to SHFLSTRING dest.
+ */
+ HGCMFunctionParameter dest;
+
+ /** value32, in:
+ * rename flags (file/directory)
+ */
+ HGCMFunctionParameter flags;
+
+} VBoxSFRename;
+
+#define SHFL_CPARMS_RENAME (4)
+
+
+/**
+ * SHFL_FN_SYMLINK
+ */
+
+/** Parameters structure. */
+typedef struct _VBoxSFSymlink
+{
+ VBGLIOCHGCMCALL callInfo;
+
+ /** pointer, in: SHFLROOT
+ * Root handle of the mapping which name is queried.
+ */
+ HGCMFunctionParameter root;
+
+ /** pointer, in:
+ * Points to SHFLSTRING of path for the new symlink.
+ */
+ HGCMFunctionParameter newPath;
+
+ /** pointer, in:
+ * Points to SHFLSTRING of destination for symlink.
+ */
+ HGCMFunctionParameter oldPath;
+
+ /** pointer, out:
+ * Information about created symlink.
+ */
+ HGCMFunctionParameter info;
+
+} VBoxSFSymlink;
+
+#define SHFL_CPARMS_SYMLINK (4)
+
+
+
+/**
+ * SHFL_FN_ADD_MAPPING
+ * Host call, no guest structure is used.
+ */
+
+/** mapping is writable */
+#define SHFL_ADD_MAPPING_F_WRITABLE (RT_BIT_32(0))
+/** mapping is automounted by the guest */
+#define SHFL_ADD_MAPPING_F_AUTOMOUNT (RT_BIT_32(1))
+/** allow the guest to create symlinks */
+#define SHFL_ADD_MAPPING_F_CREATE_SYMLINKS (RT_BIT_32(2))
+/** mapping is actually missing on the host */
+#define SHFL_ADD_MAPPING_F_MISSING (RT_BIT_32(3))
+
+#define SHFL_CPARMS_ADD_MAPPING (3)
+
+/**
+ * SHFL_FN_REMOVE_MAPPING
+ * Host call, no guest structure is used.
+ */
+
+#define SHFL_CPARMS_REMOVE_MAPPING (1)
+
+
+/**
+ * SHFL_FN_SET_STATUS_LED
+ * Host call, no guest structure is used.
+ */
+
+#define SHFL_CPARMS_SET_STATUS_LED (1)
+
+/** @} */
+
+#endif
+
projects / mirror_ubuntu-bionic-kernel.git / blobdiff