kernelbase: Reimplement GetVolumeInformation on top of GetVolumeInformationByHandle.
Signed-off-by: Erich E. Hoover <erich.e.hoover@gmail.com> Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Erich E. Hoover
Alexandre Julliard
parent
86333a20c8
commit
50903a1504
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@ -1522,6 +1522,7 @@ static void test_GetVolumeInformationByHandle(void)
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FILE_FS_VOLUME_INFORMATION *volume_info = (void *)buffer;
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DWORD serial, filename_len, flags;
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WCHAR label[20], fsname[20];
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char volume[MAX_PATH+1];
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IO_STATUS_BLOCK io;
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HANDLE file;
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NTSTATUS status;
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@ -1578,6 +1579,44 @@ static void test_GetVolumeInformationByHandle(void)
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"expected label length %u, got %u\n", volume_info->VolumeLabelLength / sizeof(WCHAR), wcslen( label ));
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CloseHandle( file );
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/* get the unique volume name for the windows drive */
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ret = GetVolumeNameForVolumeMountPointA("C:\\", volume, MAX_PATH);
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ok(ret == TRUE, "GetVolumeNameForVolumeMountPointA failed\n");
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/* try again with unique volume name */
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file = CreateFileA( volume, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
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OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL );
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ok(file != INVALID_HANDLE_VALUE, "failed to open file, error %u\n", GetLastError());
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ret = pGetVolumeInformationByHandleW( file, label, ARRAY_SIZE(label), &serial,
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&filename_len, &flags, fsname, ARRAY_SIZE(fsname) );
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ok(ret, "got error %u\n", GetLastError());
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memset(buffer, 0, sizeof(buffer));
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status = NtQueryVolumeInformationFile( file, &io, buffer, sizeof(buffer), FileFsVolumeInformation );
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ok(!status, "got status %#x\n", status);
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ok(serial == volume_info->VolumeSerialNumber, "expected serial %08x, got %08x\n",
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volume_info->VolumeSerialNumber, serial);
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ok(!wcscmp( label, volume_info->VolumeLabel ), "expected label %s, got %s\n",
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debugstr_w( volume_info->VolumeLabel ), debugstr_w( label ));
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ok(wcslen( label ) == volume_info->VolumeLabelLength / sizeof(WCHAR),
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"expected label length %u, got %u\n", volume_info->VolumeLabelLength / sizeof(WCHAR), wcslen( label ));
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memset(buffer, 0, sizeof(buffer));
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status = NtQueryVolumeInformationFile( file, &io, buffer, sizeof(buffer), FileFsAttributeInformation );
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ok(!status, "got status %#x\n", status);
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ok(flags == attr_info->FileSystemAttributes, "expected flags %#x, got %#x\n",
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attr_info->FileSystemAttributes, flags);
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ok(filename_len == attr_info->MaximumComponentNameLength, "expected filename_len %u, got %u\n",
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attr_info->MaximumComponentNameLength, filename_len);
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ok(!wcscmp( fsname, attr_info->FileSystemName ), "expected fsname %s, got %s\n",
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debugstr_w( attr_info->FileSystemName ), debugstr_w( fsname ));
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ok(wcslen( fsname ) == attr_info->FileSystemNameLength / sizeof(WCHAR),
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"expected fsname length %u, got %u\n", attr_info->FileSystemNameLength / sizeof(WCHAR), wcslen( fsname ));
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CloseHandle( file );
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}
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START_TEST(volume)
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@ -148,500 +148,6 @@ static DWORD get_mountmgr_drive_type( LPCWSTR root )
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return data.type;
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}
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/* get the label by reading it from a file at the root of the filesystem */
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static void get_filesystem_label( const UNICODE_STRING *device, WCHAR *label, DWORD len )
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{
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HANDLE handle;
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UNICODE_STRING name;
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IO_STATUS_BLOCK io;
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OBJECT_ATTRIBUTES attr;
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label[0] = 0;
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.Attributes = OBJ_CASE_INSENSITIVE;
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attr.ObjectName = &name;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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name.MaximumLength = device->Length + sizeof(L".windows-label");
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name.Length = name.MaximumLength - sizeof(WCHAR);
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if (!(name.Buffer = HeapAlloc( GetProcessHeap(), 0, name.MaximumLength ))) return;
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memcpy( name.Buffer, device->Buffer, device->Length );
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memcpy( name.Buffer + device->Length / sizeof(WCHAR), L".windows-label", sizeof(L".windows-label") );
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if (!NtOpenFile( &handle, GENERIC_READ | SYNCHRONIZE, &attr, &io, FILE_SHARE_READ|FILE_SHARE_WRITE,
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FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT ))
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{
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char buffer[256], *p;
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DWORD size;
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if (!ReadFile( handle, buffer, sizeof(buffer)-1, &size, NULL )) size = 0;
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CloseHandle( handle );
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p = buffer + size;
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while (p > buffer && (p[-1] == ' ' || p[-1] == '\r' || p[-1] == '\n')) p--;
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*p = 0;
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if (!MultiByteToWideChar( CP_UNIXCP, 0, buffer, -1, label, len ))
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label[len-1] = 0;
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}
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RtlFreeUnicodeString( &name );
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}
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/* get the serial number by reading it from a file at the root of the filesystem */
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static DWORD get_filesystem_serial( const UNICODE_STRING *device )
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{
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HANDLE handle;
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UNICODE_STRING name;
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IO_STATUS_BLOCK io;
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OBJECT_ATTRIBUTES attr;
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DWORD ret = 0;
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.Attributes = OBJ_CASE_INSENSITIVE;
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attr.ObjectName = &name;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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name.MaximumLength = device->Length + sizeof(L".windows-serial");
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name.Length = name.MaximumLength - sizeof(WCHAR);
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if (!(name.Buffer = HeapAlloc( GetProcessHeap(), 0, name.MaximumLength ))) return 0;
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memcpy( name.Buffer, device->Buffer, device->Length );
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memcpy( name.Buffer + device->Length / sizeof(WCHAR), L".windows-serial", sizeof(L".windows-serial") );
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if (!NtOpenFile( &handle, GENERIC_READ | SYNCHRONIZE, &attr, &io, FILE_SHARE_READ|FILE_SHARE_WRITE,
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FILE_SYNCHRONOUS_IO_NONALERT ))
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{
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char buffer[32];
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DWORD size;
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if (!ReadFile( handle, buffer, sizeof(buffer)-1, &size, NULL )) size = 0;
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CloseHandle( handle );
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buffer[size] = 0;
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ret = strtoul( buffer, NULL, 16 );
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}
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RtlFreeUnicodeString( &name );
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return ret;
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}
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/******************************************************************
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* find_cdrom_best_voldesc
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*/
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static DWORD find_cdrom_best_voldesc( HANDLE handle )
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{
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BYTE cur_vd_type, max_vd_type = 0;
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BYTE buffer[0x800];
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DWORD size, offs, best_offs = 0, extra_offs = 0;
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for (offs = 0x8000; offs <= 0x9800; offs += 0x800)
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{
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/* if 'CDROM' occurs at position 8, this is a pre-iso9660 cd, and
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* the volume label is displaced forward by 8
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*/
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if (SetFilePointer( handle, offs, NULL, FILE_BEGIN ) != offs) break;
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if (!ReadFile( handle, buffer, sizeof(buffer), &size, NULL )) break;
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if (size != sizeof(buffer)) break;
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/* check for non-ISO9660 signature */
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if (!memcmp( buffer + 11, "ROM", 3 )) extra_offs = 8;
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cur_vd_type = buffer[extra_offs];
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if (cur_vd_type == 0xff) /* voldesc set terminator */
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break;
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if (cur_vd_type > max_vd_type)
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{
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max_vd_type = cur_vd_type;
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best_offs = offs + extra_offs;
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}
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}
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return best_offs;
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}
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/***********************************************************************
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* read_fat_superblock
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*/
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static enum fs_type read_fat_superblock( HANDLE handle, BYTE *buff )
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{
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DWORD size;
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/* try a fixed disk, with a FAT partition */
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if (SetFilePointer( handle, 0, NULL, FILE_BEGIN ) != 0 ||
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!ReadFile( handle, buff, SUPERBLOCK_SIZE, &size, NULL ))
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{
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if (GetLastError() == ERROR_BAD_DEV_TYPE) return FS_UNKNOWN; /* not a real device */
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return FS_ERROR;
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}
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if (size < SUPERBLOCK_SIZE) return FS_UNKNOWN;
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/* FIXME: do really all FAT have their name beginning with
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* "FAT" ? (At least FAT12, FAT16 and FAT32 have :)
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*/
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if (!memcmp(buff+0x36, "FAT", 3) || !memcmp(buff+0x52, "FAT", 3))
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{
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/* guess which type of FAT we have */
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int reasonable;
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unsigned int sectors,
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sect_per_fat,
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total_sectors,
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num_boot_sectors,
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num_fats,
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num_root_dir_ents,
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bytes_per_sector,
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sectors_per_cluster,
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nclust;
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sect_per_fat = GETWORD(buff, 0x16);
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if (!sect_per_fat) sect_per_fat = GETLONG(buff, 0x24);
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total_sectors = GETWORD(buff, 0x13);
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if (!total_sectors)
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total_sectors = GETLONG(buff, 0x20);
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num_boot_sectors = GETWORD(buff, 0x0e);
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num_fats = buff[0x10];
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num_root_dir_ents = GETWORD(buff, 0x11);
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bytes_per_sector = GETWORD(buff, 0x0b);
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sectors_per_cluster = buff[0x0d];
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/* check if the parameters are reasonable and will not cause
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* arithmetic errors in the calculation */
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reasonable = num_boot_sectors < total_sectors &&
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num_fats < 16 &&
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bytes_per_sector >= 512 && bytes_per_sector % 512 == 0 &&
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sectors_per_cluster >= 1;
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if (!reasonable) return FS_UNKNOWN;
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sectors = total_sectors - num_boot_sectors - num_fats * sect_per_fat -
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(num_root_dir_ents * 32 + bytes_per_sector - 1) / bytes_per_sector;
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nclust = sectors / sectors_per_cluster;
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if ((buff[0x42] == 0x28 || buff[0x42] == 0x29) &&
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!memcmp(buff+0x52, "FAT", 3)) return FS_FAT32;
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if (nclust < 65525)
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{
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if ((buff[0x26] == 0x28 || buff[0x26] == 0x29) &&
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!memcmp(buff+0x36, "FAT", 3))
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return FS_FAT1216;
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}
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}
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return FS_UNKNOWN;
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}
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/***********************************************************************
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* read_cd_block
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*/
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static BOOL read_cd_block( HANDLE handle, BYTE *buff, INT offs )
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{
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DWORD size, whence = offs >= 0 ? FILE_BEGIN : FILE_END;
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if (SetFilePointer( handle, offs, NULL, whence ) != offs ||
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!ReadFile( handle, buff, SUPERBLOCK_SIZE, &size, NULL ) ||
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size != SUPERBLOCK_SIZE)
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return FALSE;
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return TRUE;
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}
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/***********************************************************************
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* read_cd_superblock
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*/
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static enum fs_type read_cd_superblock( HANDLE handle, BYTE *buff )
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{
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int i;
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DWORD offs;
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/* Check UDF first as UDF and ISO9660 structures can coexist on the same medium
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* Starting from sector 16, we may find :
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* - a CD-ROM Volume Descriptor Set (ISO9660) containing one or more Volume Descriptors
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* - an Extended Area (UDF) -- [E] 2/8.3.1 and [U] 2.1.7
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* There is no explicit end so read 16 sectors and then give up */
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for( i=16; i<16+16; i++)
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{
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if (!read_cd_block(handle, buff, i*BLOCK_SIZE))
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continue;
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/* We are supposed to check "BEA01", "NSR0x" and "TEA01" IDs + verify tag checksum
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* but we assume the volume is well-formatted */
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if (!memcmp(&buff[1], "BEA01", 5)) return FS_UDF;
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}
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offs = find_cdrom_best_voldesc( handle );
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if (!offs) return FS_UNKNOWN;
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if (!read_cd_block(handle, buff, offs))
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return FS_ERROR;
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/* check for the iso9660 identifier */
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if (!memcmp(&buff[1], "CD001", 5)) return FS_ISO9660;
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return FS_UNKNOWN;
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}
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/**************************************************************************
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* udf_find_pvd
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*/
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static BOOL udf_find_pvd( HANDLE handle, BYTE pvd[] )
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{
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unsigned int i;
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DWORD offset;
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INT locations[] = { 256, -1, -257, 512 };
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for(i=0; i<ARRAY_SIZE(locations); i++)
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{
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if (!read_cd_block(handle, pvd, locations[i]*BLOCK_SIZE))
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return FALSE;
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/* Tag Identifier of Anchor Volume Descriptor Pointer is 2 -- [E] 3/10.2.1 */
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if (pvd[0]==2 && pvd[1]==0)
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{
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/* Tag location (Uint32) at offset 12, little-endian */
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offset = pvd[20 + 0];
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offset |= pvd[20 + 1] << 8;
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offset |= pvd[20 + 2] << 16;
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offset |= pvd[20 + 3] << 24;
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offset *= BLOCK_SIZE;
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if (!read_cd_block(handle, pvd, offset))
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return FALSE;
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/* Check for the Primary Volume Descriptor Tag Id -- [E] 3/10.1.1 */
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if (pvd[0]!=1 || pvd[1]!=0)
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return FALSE;
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/* 8 or 16 bits per character -- [U] 2.1.1 */
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if (!(pvd[24]==8 || pvd[24]==16))
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return FALSE;
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return TRUE;
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}
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}
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return FALSE;
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}
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/**************************************************************************
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* get_superblock_label
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*/
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static void get_superblock_label( const UNICODE_STRING *device, HANDLE handle,
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enum fs_type type, const BYTE *superblock,
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WCHAR *label, DWORD len )
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{
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const BYTE *label_ptr = NULL;
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DWORD label_len;
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switch(type)
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{
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case FS_ERROR:
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label_len = 0;
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break;
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case FS_UNKNOWN:
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get_filesystem_label( device, label, len );
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return;
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case FS_FAT1216:
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label_ptr = superblock + 0x2b;
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label_len = 11;
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break;
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case FS_FAT32:
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label_ptr = superblock + 0x47;
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label_len = 11;
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break;
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case FS_ISO9660:
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{
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BYTE ver = superblock[0x5a];
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if (superblock[0x58] == 0x25 && superblock[0x59] == 0x2f && /* Unicode ID */
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((ver == 0x40) || (ver == 0x43) || (ver == 0x45)))
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{ /* yippee, unicode */
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unsigned int i;
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if (len > 17) len = 17;
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for (i = 0; i < len-1; i++)
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label[i] = (superblock[40+2*i] << 8) | superblock[41+2*i];
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label[i] = 0;
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while (i && label[i-1] == ' ') label[--i] = 0;
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return;
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}
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label_ptr = superblock + 40;
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label_len = 32;
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break;
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}
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case FS_UDF:
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{
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BYTE pvd[BLOCK_SIZE];
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if(!udf_find_pvd(handle, pvd))
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{
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label_len = 0;
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break;
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}
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/* [E] 3/10.1.4 and [U] 2.1.1 */
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if(pvd[24]==8)
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{
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label_ptr = pvd + 24 + 1;
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label_len = pvd[24+32-1];
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break;
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}
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else
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{
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unsigned int i;
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label_len = 1 + pvd[24+32-1];
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for(i=0; i<label_len && i<len; i+=2)
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label[i/2] = (pvd[24+1 +i] << 8) | pvd[24+1 +i+1];
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label[label_len] = 0;
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return;
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}
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}
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}
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if (label_len) RtlMultiByteToUnicodeN( label, (len-1) * sizeof(WCHAR),
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&label_len, (LPCSTR)label_ptr, label_len );
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label_len /= sizeof(WCHAR);
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label[label_len] = 0;
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while (label_len && label[label_len-1] == ' ') label[--label_len] = 0;
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}
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/**************************************************************************
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* udf_find_fsd_sector
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*/
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static int udf_find_fsd_sector( HANDLE handle, BYTE block[] )
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{
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int i, PVD_sector, PD_sector, PD_length;
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if(!udf_find_pvd(handle,block))
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goto default_sector;
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/* Retrieve the tag location of the PVD -- [E] 3/7.2 */
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PVD_sector = block[12 + 0];
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PVD_sector |= block[12 + 1] << 8;
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PVD_sector |= block[12 + 2] << 16;
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PVD_sector |= block[12 + 3] << 24;
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/* Find the Partition Descriptor */
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for(i=PVD_sector+1; ; i++)
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{
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if(!read_cd_block(handle, block, i*BLOCK_SIZE))
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goto default_sector;
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/* Partition Descriptor Tag Id -- [E] 3/10.5.1 */
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if(block[0]==5 && block[1]==0)
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break;
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/* Terminating Descriptor Tag Id -- [E] 3/10.9.1 */
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if(block[0]==8 && block[1]==0)
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||||
goto default_sector;
|
||||
}
|
||||
|
||||
/* Find the partition starting location -- [E] 3/10.5.8 */
|
||||
PD_sector = block[188 + 0];
|
||||
PD_sector |= block[188 + 1] << 8;
|
||||
PD_sector |= block[188 + 2] << 16;
|
||||
PD_sector |= block[188 + 3] << 24;
|
||||
|
||||
/* Find the partition length -- [E] 3/10.5.9 */
|
||||
PD_length = block[192 + 0];
|
||||
PD_length |= block[192 + 1] << 8;
|
||||
PD_length |= block[192 + 2] << 16;
|
||||
PD_length |= block[192 + 3] << 24;
|
||||
|
||||
for(i=PD_sector; i<PD_sector+PD_length; i++)
|
||||
{
|
||||
if(!read_cd_block(handle, block, i*BLOCK_SIZE))
|
||||
goto default_sector;
|
||||
|
||||
/* File Set Descriptor Tag Id -- [E] 3/14.1.1 */
|
||||
if(block[0]==0 && block[1]==1)
|
||||
return i;
|
||||
}
|
||||
|
||||
default_sector:
|
||||
WARN("FSD sector not found, serial may be incorrect\n");
|
||||
return 257;
|
||||
}
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
* get_superblock_serial
|
||||
*/
|
||||
static DWORD get_superblock_serial( const UNICODE_STRING *device, HANDLE handle,
|
||||
enum fs_type type, const BYTE *superblock )
|
||||
{
|
||||
int FSD_sector;
|
||||
BYTE block[BLOCK_SIZE];
|
||||
|
||||
switch(type)
|
||||
{
|
||||
case FS_ERROR:
|
||||
break;
|
||||
case FS_UNKNOWN:
|
||||
return get_filesystem_serial( device );
|
||||
case FS_FAT1216:
|
||||
return GETLONG( superblock, 0x27 );
|
||||
case FS_FAT32:
|
||||
return GETLONG( superblock, 0x33 );
|
||||
case FS_UDF:
|
||||
FSD_sector = udf_find_fsd_sector(handle, block);
|
||||
if (!read_cd_block(handle, block, FSD_sector*BLOCK_SIZE))
|
||||
break;
|
||||
superblock = block;
|
||||
/* fallthrough */
|
||||
case FS_ISO9660:
|
||||
{
|
||||
BYTE sum[4];
|
||||
int i;
|
||||
|
||||
sum[0] = sum[1] = sum[2] = sum[3] = 0;
|
||||
for (i = 0; i < 2048; i += 4)
|
||||
{
|
||||
/* DON'T optimize this into DWORD !! (breaks overflow) */
|
||||
sum[0] += superblock[i+0];
|
||||
sum[1] += superblock[i+1];
|
||||
sum[2] += superblock[i+2];
|
||||
sum[3] += superblock[i+3];
|
||||
}
|
||||
/*
|
||||
* OK, another braindead one... argh. Just believe it.
|
||||
* Me$$ysoft chose to reverse the serial number in NT4/W2K.
|
||||
* It's true and nobody will ever be able to change it.
|
||||
*/
|
||||
if ((GetVersion() & 0x80000000) || type == FS_UDF)
|
||||
return (sum[3] << 24) | (sum[2] << 16) | (sum[1] << 8) | sum[0];
|
||||
else
|
||||
return (sum[0] << 24) | (sum[1] << 16) | (sum[2] << 8) | sum[3];
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
* get_audiocd_serial
|
||||
*/
|
||||
static DWORD get_audiocd_serial( const CDROM_TOC *toc )
|
||||
{
|
||||
DWORD serial = 0;
|
||||
int i;
|
||||
|
||||
for (i = 0; i <= toc->LastTrack - toc->FirstTrack; i++)
|
||||
serial += ((toc->TrackData[i].Address[1] << 16) |
|
||||
(toc->TrackData[i].Address[2] << 8) |
|
||||
toc->TrackData[i].Address[3]);
|
||||
|
||||
/*
|
||||
* dwStart, dwEnd collect the beginning and end of the disc respectively, in
|
||||
* frames.
|
||||
* There it is collected for correcting the serial when there are less than
|
||||
* 3 tracks.
|
||||
*/
|
||||
if (toc->LastTrack - toc->FirstTrack + 1 < 3)
|
||||
{
|
||||
DWORD dwStart = FRAME_OF_TOC(toc, toc->FirstTrack);
|
||||
DWORD dwEnd = FRAME_OF_TOC(toc, toc->LastTrack + 1);
|
||||
serial += dwEnd - dwStart;
|
||||
}
|
||||
return serial;
|
||||
}
|
||||
|
||||
|
||||
/***********************************************************************
|
||||
* GetVolumeInformationW (kernelbase.@)
|
||||
|
|
@ -655,9 +161,7 @@ BOOL WINAPI DECLSPEC_HOTPATCH GetVolumeInformationW( LPCWSTR root, LPWSTR label,
|
|||
UNICODE_STRING nt_name;
|
||||
IO_STATUS_BLOCK io;
|
||||
OBJECT_ATTRIBUTES attr;
|
||||
FILE_FS_DEVICE_INFORMATION info;
|
||||
unsigned int i;
|
||||
enum fs_type type = FS_UNKNOWN;
|
||||
BOOL ret = FALSE;
|
||||
|
||||
if (!root) root = L"\\";
|
||||
|
|
@ -680,8 +184,6 @@ BOOL WINAPI DECLSPEC_HOTPATCH GetVolumeInformationW( LPCWSTR root, LPWSTR label,
|
|||
goto done;
|
||||
}
|
||||
|
||||
/* try to open the device */
|
||||
|
||||
attr.Length = sizeof(attr);
|
||||
attr.RootDirectory = 0;
|
||||
attr.Attributes = OBJ_CASE_INSENSITIVE;
|
||||
|
|
@ -694,94 +196,20 @@ BOOL WINAPI DECLSPEC_HOTPATCH GetVolumeInformationW( LPCWSTR root, LPWSTR label,
|
|||
FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
|
||||
nt_name.Length += sizeof(WCHAR);
|
||||
|
||||
if (status == STATUS_SUCCESS)
|
||||
{
|
||||
BYTE superblock[SUPERBLOCK_SIZE];
|
||||
CDROM_TOC toc;
|
||||
DWORD br;
|
||||
|
||||
/* check for audio CD */
|
||||
/* FIXME: we only check the first track for now */
|
||||
if (DeviceIoControl( handle, IOCTL_CDROM_READ_TOC, NULL, 0, &toc, sizeof(toc), &br, 0 ))
|
||||
{
|
||||
if (!(toc.TrackData[0].Control & 0x04)) /* audio track */
|
||||
{
|
||||
TRACE( "%s: found audio CD\n", debugstr_w(nt_name.Buffer) );
|
||||
if (label) lstrcpynW( label, L"Audio CD", label_len );
|
||||
if (serial) *serial = get_audiocd_serial( &toc );
|
||||
CloseHandle( handle );
|
||||
type = FS_ISO9660;
|
||||
goto fill_fs_info;
|
||||
}
|
||||
type = read_cd_superblock( handle, superblock );
|
||||
}
|
||||
else
|
||||
{
|
||||
type = read_fat_superblock( handle, superblock );
|
||||
if (type == FS_UNKNOWN) type = read_cd_superblock( handle, superblock );
|
||||
}
|
||||
TRACE( "%s: found fs type %d\n", debugstr_w(nt_name.Buffer), type );
|
||||
if (type == FS_ERROR)
|
||||
{
|
||||
CloseHandle( handle );
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (label && label_len) get_superblock_label( &nt_name, handle, type, superblock, label, label_len );
|
||||
if (serial) *serial = get_superblock_serial( &nt_name, handle, type, superblock );
|
||||
CloseHandle( handle );
|
||||
goto fill_fs_info;
|
||||
}
|
||||
else
|
||||
if (status)
|
||||
{
|
||||
TRACE( "cannot open device %s: %x\n", debugstr_w(nt_name.Buffer), status );
|
||||
if (status == STATUS_ACCESS_DENIED)
|
||||
MESSAGE( "wine: Read access denied for device %s, FS volume label and serial are not available.\n", debugstr_w(nt_name.Buffer) );
|
||||
status = NtOpenFile( &handle, SYNCHRONIZE, &attr, &io, 0,
|
||||
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT );
|
||||
}
|
||||
/* we couldn't open the device, fallback to default strategy */
|
||||
|
||||
if (!set_ntstatus( NtOpenFile( &handle, SYNCHRONIZE, &attr, &io, 0,
|
||||
FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT )))
|
||||
goto done;
|
||||
|
||||
status = NtQueryVolumeInformationFile( handle, &io, &info, sizeof(info), FileFsDeviceInformation );
|
||||
NtClose( handle );
|
||||
if (!set_ntstatus( status )) goto done;
|
||||
|
||||
if (info.DeviceType == FILE_DEVICE_CD_ROM_FILE_SYSTEM) type = FS_ISO9660;
|
||||
|
||||
if (label && label_len) get_filesystem_label( &nt_name, label, label_len );
|
||||
if (serial) *serial = get_filesystem_serial( &nt_name );
|
||||
|
||||
fill_fs_info: /* now fill in the information that depends on the file system type */
|
||||
|
||||
switch(type)
|
||||
{
|
||||
case FS_ISO9660:
|
||||
if (fsname) lstrcpynW( fsname, L"CDFS", fsname_len );
|
||||
if (filename_len) *filename_len = 221;
|
||||
if (flags) *flags = FILE_READ_ONLY_VOLUME;
|
||||
break;
|
||||
case FS_UDF:
|
||||
if (fsname) lstrcpynW( fsname, L"UDF", fsname_len );
|
||||
if (filename_len) *filename_len = 255;
|
||||
if (flags)
|
||||
*flags = FILE_READ_ONLY_VOLUME | FILE_UNICODE_ON_DISK | FILE_CASE_SENSITIVE_SEARCH;
|
||||
break;
|
||||
case FS_FAT1216:
|
||||
if (fsname) lstrcpynW( fsname, L"FAT", fsname_len );
|
||||
case FS_FAT32:
|
||||
if (type == FS_FAT32 && fsname) lstrcpynW( fsname, L"FAT32", fsname_len );
|
||||
if (filename_len) *filename_len = 255;
|
||||
if (flags) *flags = FILE_CASE_PRESERVED_NAMES; /* FIXME */
|
||||
break;
|
||||
default:
|
||||
if (fsname) lstrcpynW( fsname, L"NTFS", fsname_len );
|
||||
if (filename_len) *filename_len = 255;
|
||||
if (flags) *flags = FILE_CASE_PRESERVED_NAMES | FILE_PERSISTENT_ACLS;
|
||||
break;
|
||||
}
|
||||
ret = TRUE;
|
||||
ret = GetVolumeInformationByHandleW( handle, label, label_len, serial, filename_len, flags,
|
||||
fsname, fsname_len );
|
||||
NtClose( handle );
|
||||
|
||||
done:
|
||||
RtlFreeUnicodeString( &nt_name );
|
||||
|
|
|
|||
Loading…
Reference in New Issue