RTDECL(int) RTDirClose(PRTDIR pDir)
{
/*
* Validate input.
*/
if (!pDir)
return VERR_INVALID_PARAMETER;
if (pDir->u32Magic != RTDIR_MAGIC)
{
AssertMsgFailed(("Invalid pDir=%p\n", pDir));
return VERR_INVALID_PARAMETER;
}
/*
* Close the handle.
*/
pDir->u32Magic = ~RTDIR_MAGIC;
if (pDir->hDir != MY_INVALID_HANDLE_VALUE)
{
int rc = rtNtPathClose(pDir->hDir);
AssertRC(rc);
pDir->hDir = MY_INVALID_HANDLE_VALUE;
}
RTStrFree(pDir->pszName);
pDir->pszName = NULL;
RTUtf16Free(pDir->NtFilterStr.Buffer);
pDir->NtFilterStr.Buffer = NULL;
RTMemFree(pDir->pabBuffer);
pDir->pabBuffer = NULL;
RTMemFree(pDir);
return VINF_SUCCESS;
}
RTR3DECL(int) RTFsQueryType(const char *pszFsPath, PRTFSTYPE penmType)
{
/*
* Validate input.
*/
*penmType = RTFSTYPE_UNKNOWN;
AssertPtrReturn(pszFsPath, VERR_INVALID_POINTER);
AssertReturn(*pszFsPath, VERR_INVALID_PARAMETER);
/*
* Open the file/dir/whatever.
*/
HANDLE hFile;
int rc = rtNtPathOpen(pszFsPath,
GENERIC_READ,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN,
FILE_OPEN_FOR_BACKUP_INTENT,
OBJ_CASE_INSENSITIVE,
&hFile,
NULL);
if (RT_SUCCESS(rc))
{
/*
* Get the file system name.
*/
union
{
FILE_FS_ATTRIBUTE_INFORMATION FsAttrInfo;
uint8_t abBuf[sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 4096];
} u;
IO_STATUS_BLOCK Ios = MY_IO_STATUS_BLOCK_INITIALIZER;
NTSTATUS rcNt = NtQueryVolumeInformationFile(hFile, &Ios, &u, sizeof(u), FileFsAttributeInformation);
if (NT_SUCCESS(rcNt))
{
#define IS_FS(a_szName) \
rtNtCompWideStrAndAscii(u.FsAttrInfo.FileSystemName, u.FsAttrInfo.FileSystemNameLength, RT_STR_TUPLE(a_szName))
if (IS_FS("NTFS"))
*penmType = RTFSTYPE_NTFS;
else if (IS_FS("FAT"))
*penmType = RTFSTYPE_FAT;
else if (IS_FS("FAT32"))
*penmType = RTFSTYPE_FAT;
else if (IS_FS("VBoxSharedFolderFS"))
*penmType = RTFSTYPE_VBOXSHF;
#undef IS_FS
}
else
rc = RTErrConvertFromNtStatus(rcNt);
rtNtPathClose(hFile);
}
return rc;
}
RTR3DECL(int) RTFsQuerySerial(const char *pszFsPath, uint32_t *pu32Serial)
{
/*
* Validate & get valid root path.
*/
AssertPtrReturn(pszFsPath, VERR_INVALID_POINTER);
AssertPtrReturn(pu32Serial, VERR_INVALID_POINTER);
/*
* Open the file/dir/whatever.
*/
HANDLE hFile;
int rc = rtNtPathOpen(pszFsPath,
GENERIC_READ,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN,
FILE_OPEN_FOR_BACKUP_INTENT,
OBJ_CASE_INSENSITIVE,
&hFile,
NULL);
if (RT_SUCCESS(rc))
{
/*
* Get the volume information.
*/
union
{
FILE_FS_VOLUME_INFORMATION FsVolInfo;
uint8_t abBuf[sizeof(FILE_FS_VOLUME_INFORMATION) + 4096];
} u;
IO_STATUS_BLOCK Ios = MY_IO_STATUS_BLOCK_INITIALIZER;
NTSTATUS rcNt = NtQueryVolumeInformationFile(hFile, &Ios, &u, sizeof(u), FileFsVolumeInformation);
if (NT_SUCCESS(rcNt))
*pu32Serial = u.FsVolInfo.VolumeSerialNumber;
else
rc = RTErrConvertFromNtStatus(rcNt);
rtNtPathClose(hFile);
}
return rc;
}
RTR3DECL(int) RTFsQuerySizes(const char *pszFsPath, RTFOFF *pcbTotal, RTFOFF *pcbFree,
uint32_t *pcbBlock, uint32_t *pcbSector)
{
AssertPtrReturn(pszFsPath, VERR_INVALID_POINTER);
/*
* Open the file/dir/whatever.
*/
HANDLE hFile;
int rc = rtNtPathOpen(pszFsPath,
GENERIC_READ,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN,
FILE_OPEN_FOR_BACKUP_INTENT,
OBJ_CASE_INSENSITIVE,
&hFile,
NULL);
if (RT_SUCCESS(rc))
{
/*
* Get the volume information.
*/
FILE_FS_SIZE_INFORMATION FsSizeInfo;
IO_STATUS_BLOCK Ios = MY_IO_STATUS_BLOCK_INITIALIZER;
NTSTATUS rcNt = NtQueryVolumeInformationFile(hFile, &Ios, &FsSizeInfo, sizeof(FsSizeInfo), FileFsSizeInformation);
if (NT_SUCCESS(rcNt))
{
/*
* Calculate the return values.
*/
if (pcbTotal)
{
*pcbTotal = FsSizeInfo.TotalAllocationUnits.QuadPart
* FsSizeInfo.SectorsPerAllocationUnit
* FsSizeInfo.BytesPerSector;
if ( *pcbTotal / FsSizeInfo.SectorsPerAllocationUnit / FsSizeInfo.BytesPerSector
!= FsSizeInfo.TotalAllocationUnits.QuadPart)
*pcbTotal = UINT64_MAX;
}
if (pcbFree)
{
*pcbFree = FsSizeInfo.AvailableAllocationUnits.QuadPart
* FsSizeInfo.SectorsPerAllocationUnit
* FsSizeInfo.BytesPerSector;
if ( *pcbFree / FsSizeInfo.SectorsPerAllocationUnit / FsSizeInfo.BytesPerSector
!= FsSizeInfo.AvailableAllocationUnits.QuadPart)
*pcbFree = UINT64_MAX;
}
if (pcbBlock)
{
*pcbBlock = FsSizeInfo.SectorsPerAllocationUnit * FsSizeInfo.BytesPerSector;
if (*pcbBlock / FsSizeInfo.BytesPerSector != FsSizeInfo.SectorsPerAllocationUnit)
rc = VERR_OUT_OF_RANGE;
}
if (pcbSector)
*pcbSector = FsSizeInfo.BytesPerSector;
}
else
rc = RTErrConvertFromNtStatus(rcNt);
rtNtPathClose(hFile);
}
return rc;
}
RTR3DECL(int) RTFsQueryProperties(const char *pszFsPath, PRTFSPROPERTIES pProperties)
{
/*
* Validate & get valid root path.
*/
AssertPtrReturn(pszFsPath, VERR_INVALID_POINTER);
AssertPtrReturn(pProperties, VERR_INVALID_POINTER);
/*
* Open the file/dir/whatever.
*/
HANDLE hFile;
int rc = rtNtPathOpen(pszFsPath,
GENERIC_READ,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN,
FILE_OPEN_FOR_BACKUP_INTENT,
OBJ_CASE_INSENSITIVE,
&hFile,
NULL);
if (RT_SUCCESS(rc))
{
/*
* Get the volume information.
*/
union
{
FILE_FS_ATTRIBUTE_INFORMATION FsAttrInfo;
uint8_t abBuf[sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 4096];
} u;
IO_STATUS_BLOCK Ios = MY_IO_STATUS_BLOCK_INITIALIZER;
NTSTATUS rcNt = NtQueryVolumeInformationFile(hFile, &Ios, &u, sizeof(u), FileFsAttributeInformation);
if (NT_SUCCESS(rcNt))
{
FILE_FS_DEVICE_INFORMATION FsDevInfo;
rcNt = NtQueryVolumeInformationFile(hFile, &Ios, &FsDevInfo, sizeof(FsDevInfo), FileFsDeviceInformation);
if (NT_SUCCESS(rcNt))
{
/*
* Fill in the return structure.
*/
memset(pProperties, 0, sizeof(*pProperties));
pProperties->cbMaxComponent = u.FsAttrInfo.MaximumComponentNameLength;
pProperties->fFileCompression = !!(u.FsAttrInfo.FileSystemAttributes & FILE_FILE_COMPRESSION);
pProperties->fCompressed = !!(u.FsAttrInfo.FileSystemAttributes & FILE_VOLUME_IS_COMPRESSED);
pProperties->fReadOnly = !!(u.FsAttrInfo.FileSystemAttributes & FILE_READ_ONLY_VOLUME);
pProperties->fSupportsUnicode = !!(u.FsAttrInfo.FileSystemAttributes & FILE_UNICODE_ON_DISK);
pProperties->fCaseSensitive = false; /* win32 is case preserving only */
/** @todo r=bird: What about FILE_CASE_SENSITIVE_SEARCH ? Is this set for NTFS
* as well perchance? If so, better mention it instead of just setting
* fCaseSensitive to false. */
/* figure the remote stuff */
pProperties->fRemote = RT_BOOL(FsDevInfo.Characteristics & FILE_REMOTE_DEVICE);
}
else
rc = RTErrConvertFromNtStatus(rcNt);
}
else
rc = RTErrConvertFromNtStatus(rcNt);
rtNtPathClose(hFile);
}
return rc;
}
