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mdbx: Windows XP compatibility.

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Change-Id: Iafe3a83110610071e42a168ef9fc5f8d3131854f
This commit is contained in:
Leo Yuriev
2018-06-12 22:56:26 +03:00
parent 28eda32c12
commit 09ad941a05
8 changed files with 173 additions and 100 deletions
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178
src/osal.c
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@@ -17,7 +17,6 @@
#include "./bits.h"
#if defined(_WIN32) || defined(_WIN64)
#include <winternl.h>
static int waitstatus2errcode(DWORD result) {
switch (result) {
@@ -105,13 +104,31 @@ extern NTSTATUS NTAPI NtFreeVirtualMemory(IN HANDLE ProcessHandle,
IN OUT PSIZE_T RegionSize,
IN ULONG FreeType);
#ifndef WOF_CURRENT_VERSION
typedef struct _WOF_EXTERNAL_INFO {
DWORD Version;
DWORD Provider;
} WOF_EXTERNAL_INFO, *PWOF_EXTERNAL_INFO;
#endif /* WOF_CURRENT_VERSION */
#ifndef WIM_PROVIDER_CURRENT_VERSION
#define WIM_PROVIDER_HASH_SIZE 20
typedef struct _WIM_PROVIDER_EXTERNAL_INFO {
DWORD Version;
DWORD Flags;
LARGE_INTEGER DataSourceId;
BYTE ResourceHash[WIM_PROVIDER_HASH_SIZE];
} WIM_PROVIDER_EXTERNAL_INFO, *PWIM_PROVIDER_EXTERNAL_INFO;
#endif /* WIM_PROVIDER_CURRENT_VERSION */
#ifndef FILE_PROVIDER_CURRENT_VERSION
typedef struct _FILE_PROVIDER_EXTERNAL_INFO_V1 {
ULONG Version;
ULONG Algorithm;
ULONG Flags;
} FILE_PROVIDER_EXTERNAL_INFO_V1, *PFILE_PROVIDER_EXTERNAL_INFO_V1;
#endif
#endif /* FILE_PROVIDER_CURRENT_VERSION */
#ifndef STATUS_OBJECT_NOT_EXTERNALLY_BACKED
#define STATUS_OBJECT_NOT_EXTERNALLY_BACKED ((NTSTATUS)0xC000046DL)
@@ -120,14 +137,6 @@ typedef struct _FILE_PROVIDER_EXTERNAL_INFO_V1 {
#define STATUS_INVALID_DEVICE_REQUEST ((NTSTATUS)0xC0000010L)
#endif
extern NTSTATUS
NtFsControlFile(IN HANDLE FileHandle, IN OUT HANDLE Event,
IN OUT PVOID /* PIO_APC_ROUTINE */ ApcRoutine,
IN OUT PVOID ApcContext, OUT PIO_STATUS_BLOCK IoStatusBlock,
IN ULONG FsControlCode, IN OUT PVOID InputBuffer,
IN ULONG InputBufferLength, OUT OPTIONAL PVOID OutputBuffer,
IN ULONG OutputBufferLength);
#endif /* _WIN32 || _WIN64 */
/*----------------------------------------------------------------------------*/
@@ -740,80 +749,85 @@ int mdbx_is_file_local(mdbx_filehandle_t handle, int flags) {
if (GetFileType(handle) != FILE_TYPE_DISK)
return ERROR_FILE_OFFLINE;
FILE_REMOTE_PROTOCOL_INFO RemoteProtocolInfo;
if (GetFileInformationByHandleEx(handle, FileRemoteProtocolInfo,
&RemoteProtocolInfo,
sizeof(RemoteProtocolInfo))) {
if ((RemoteProtocolInfo.Flags & (REMOTE_PROTOCOL_INFO_FLAG_LOOPBACK |
REMOTE_PROTOCOL_INFO_FLAG_OFFLINE)) !=
REMOTE_PROTOCOL_INFO_FLAG_LOOPBACK)
return ERROR_FILE_OFFLINE;
}
#if defined(_WIN64) && defined(WOF_CURRENT_VERSION)
NTSTATUS rc;
struct {
WOF_EXTERNAL_INFO wof_info;
union {
WIM_PROVIDER_EXTERNAL_INFO wim_info;
FILE_PROVIDER_EXTERNAL_INFO_V1 file_info;
};
size_t reserved_for_microsoft_madness[42];
} GetExternalBacking_OutputBuffer;
IO_STATUS_BLOCK StatusBlock;
rc = NtFsControlFile(handle, NULL, NULL, NULL, &StatusBlock,
FSCTL_GET_EXTERNAL_BACKING, NULL, 0,
&GetExternalBacking_OutputBuffer,
sizeof(GetExternalBacking_OutputBuffer));
if (rc != STATUS_OBJECT_NOT_EXTERNALLY_BACKED &&
rc != STATUS_INVALID_DEVICE_REQUEST)
return NT_SUCCESS(rc) ? ERROR_REMOTE_STORAGE_MEDIA_ERROR
: ntstatus2errcode(rc);
#endif
WCHAR PathBuffer[INT16_MAX];
DWORD VolumeSerialNumber, FileSystemFlags;
if (!GetVolumeInformationByHandleW(handle, PathBuffer, INT16_MAX,
&VolumeSerialNumber, NULL,
&FileSystemFlags, NULL, 0))
return GetLastError();
if ((flags & MDBX_RDONLY) == 0) {
if (FileSystemFlags & (FILE_SEQUENTIAL_WRITE_ONCE | FILE_READ_ONLY_VOLUME |
FILE_VOLUME_IS_COMPRESSED))
return ERROR_REMOTE_STORAGE_MEDIA_ERROR;
}
if (!GetFinalPathNameByHandleW(handle, PathBuffer, INT16_MAX,
FILE_NAME_NORMALIZED | VOLUME_NAME_NT))
return GetLastError();
if (_wcsnicmp(PathBuffer, L"\\Device\\Mup\\", 12) == 0)
return ERROR_REMOTE_STORAGE_MEDIA_ERROR;
if (GetFinalPathNameByHandleW(handle, PathBuffer, INT16_MAX,
FILE_NAME_NORMALIZED | VOLUME_NAME_DOS)) {
UINT DriveType = GetDriveTypeW(PathBuffer);
if (DriveType == DRIVE_NO_ROOT_DIR &&
wcsncmp(PathBuffer, L"\\\\?\\", 4) == 0 &&
wcsncmp(PathBuffer + 5, L":\\", 2) == 0) {
PathBuffer[7] = 0;
DriveType = GetDriveTypeW(PathBuffer + 4);
if (mdbx_GetFileInformationByHandleEx) {
FILE_REMOTE_PROTOCOL_INFO RemoteProtocolInfo;
if (mdbx_GetFileInformationByHandleEx(handle, FileRemoteProtocolInfo,
&RemoteProtocolInfo,
sizeof(RemoteProtocolInfo))) {
if ((RemoteProtocolInfo.Flags & (REMOTE_PROTOCOL_INFO_FLAG_LOOPBACK |
REMOTE_PROTOCOL_INFO_FLAG_OFFLINE)) !=
REMOTE_PROTOCOL_INFO_FLAG_LOOPBACK)
return ERROR_FILE_OFFLINE;
}
switch (DriveType) {
case DRIVE_CDROM:
if (flags & MDBX_RDONLY)
break;
// fall through
case DRIVE_UNKNOWN:
case DRIVE_NO_ROOT_DIR:
case DRIVE_REMOTE:
default:
}
if (mdbx_NtFsControlFile) {
NTSTATUS rc;
struct {
WOF_EXTERNAL_INFO wof_info;
union {
WIM_PROVIDER_EXTERNAL_INFO wim_info;
FILE_PROVIDER_EXTERNAL_INFO_V1 file_info;
};
size_t reserved_for_microsoft_madness[42];
} GetExternalBacking_OutputBuffer;
IO_STATUS_BLOCK StatusBlock;
rc = mdbx_NtFsControlFile(handle, NULL, NULL, NULL, &StatusBlock,
FSCTL_GET_EXTERNAL_BACKING, NULL, 0,
&GetExternalBacking_OutputBuffer,
sizeof(GetExternalBacking_OutputBuffer));
if (rc != STATUS_OBJECT_NOT_EXTERNALLY_BACKED &&
rc != STATUS_INVALID_DEVICE_REQUEST)
return NT_SUCCESS(rc) ? ERROR_REMOTE_STORAGE_MEDIA_ERROR
: ntstatus2errcode(rc);
}
if (mdbx_GetVolumeInformationByHandleW && mdbx_GetFinalPathNameByHandleW) {
WCHAR PathBuffer[INT16_MAX];
DWORD VolumeSerialNumber, FileSystemFlags;
if (!mdbx_GetVolumeInformationByHandleW(handle, PathBuffer, INT16_MAX,
&VolumeSerialNumber, NULL,
&FileSystemFlags, NULL, 0))
return GetLastError();
if ((flags & MDBX_RDONLY) == 0) {
if (FileSystemFlags & (FILE_SEQUENTIAL_WRITE_ONCE |
FILE_READ_ONLY_VOLUME | FILE_VOLUME_IS_COMPRESSED))
return ERROR_REMOTE_STORAGE_MEDIA_ERROR;
}
if (!mdbx_GetFinalPathNameByHandleW(handle, PathBuffer, INT16_MAX,
FILE_NAME_NORMALIZED | VOLUME_NAME_NT))
return GetLastError();
if (_wcsnicmp(PathBuffer, L"\\Device\\Mup\\", 12) == 0)
return ERROR_REMOTE_STORAGE_MEDIA_ERROR;
case DRIVE_REMOVABLE:
case DRIVE_FIXED:
case DRIVE_RAMDISK:
break;
if (mdbx_GetFinalPathNameByHandleW(handle, PathBuffer, INT16_MAX,
FILE_NAME_NORMALIZED |
VOLUME_NAME_DOS)) {
UINT DriveType = GetDriveTypeW(PathBuffer);
if (DriveType == DRIVE_NO_ROOT_DIR &&
wcsncmp(PathBuffer, L"\\\\?\\", 4) == 0 &&
wcsncmp(PathBuffer + 5, L":\\", 2) == 0) {
PathBuffer[7] = 0;
DriveType = GetDriveTypeW(PathBuffer + 4);
}
switch (DriveType) {
case DRIVE_CDROM:
if (flags & MDBX_RDONLY)
break;
// fall through
case DRIVE_UNKNOWN:
case DRIVE_NO_ROOT_DIR:
case DRIVE_REMOTE:
default:
return ERROR_REMOTE_STORAGE_MEDIA_ERROR;
case DRIVE_REMOVABLE:
case DRIVE_FIXED:
case DRIVE_RAMDISK:
break;
}
}
}
#else