Erich E. Hoover : mountmgr.sys: Add support for volume information queries.
Alexandre Julliard
julliard at winehq.org
Mon Feb 15 16:09:50 CST 2021
Module: wine
Branch: master
Commit: d896c2201f5c03fae738d74e6ad617aa772f86e7
URL: https://source.winehq.org/git/wine.git/?a=commit;h=d896c2201f5c03fae738d74e6ad617aa772f86e7
Author: Erich E. Hoover <erich.e.hoover at gmail.com>
Date: Fri Jun 12 14:48:25 2020 -0600
mountmgr.sys: Add support for volume information queries.
Signed-off-by: Erich E. Hoover <erich.e.hoover at gmail.com>
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/mountmgr.sys/device.c | 123 +++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 119 insertions(+), 4 deletions(-)
diff --git a/dlls/mountmgr.sys/device.c b/dlls/mountmgr.sys/device.c
index c9cee002bc0..dd2c7d70759 100644
--- a/dlls/mountmgr.sys/device.c
+++ b/dlls/mountmgr.sys/device.c
@@ -91,6 +91,7 @@ struct disk_device
char *unix_device; /* unix device path */
char *unix_mount; /* unix mount point path */
char *serial; /* disk serial number */
+ struct volume *volume; /* associated volume */
};
struct volume
@@ -746,7 +747,7 @@ static DWORD VOLUME_GetAudioCDSerial( const CDROM_TOC *toc )
/* create the disk device for a given volume */
-static NTSTATUS create_disk_device( enum device_type type, struct disk_device **device_ret )
+static NTSTATUS create_disk_device( enum device_type type, struct disk_device **device_ret, struct volume *volume )
{
static const WCHAR harddiskvolW[] = {'\\','D','e','v','i','c','e',
'\\','H','a','r','d','d','i','s','k','V','o','l','u','m','e','%','u',0};
@@ -808,6 +809,7 @@ static NTSTATUS create_disk_device( enum device_type type, struct disk_device **
device->unix_device = NULL;
device->unix_mount = NULL;
device->symlink.Buffer = NULL;
+ device->volume = volume;
if (link_format)
{
@@ -930,7 +932,7 @@ static NTSTATUS create_volume( const char *udi, enum device_type type, struct vo
if (!(volume = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*volume) )))
return STATUS_NO_MEMORY;
- if (!(status = create_disk_device( type, &volume->device )))
+ if (!(status = create_disk_device( type, &volume->device, volume )))
{
if (udi) set_volume_udi( volume, udi );
list_add_tail( &volumes_list, &volume->entry );
@@ -1125,7 +1127,7 @@ static NTSTATUS set_volume_info( struct volume *volume, struct dos_drive *drive,
if (type != disk_device->type)
{
- if ((status = create_disk_device( type, &disk_device ))) return status;
+ if ((status = create_disk_device( type, &disk_device, volume ))) return status;
if (volume->mount)
{
delete_mount_point( volume->mount );
@@ -1826,6 +1828,118 @@ static NTSTATUS query_property( struct disk_device *device, IRP *irp )
return status;
}
+static NTSTATUS WINAPI harddisk_query_volume( DEVICE_OBJECT *device, IRP *irp )
+{
+ IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
+ int info_class = irpsp->Parameters.QueryVolume.FsInformationClass;
+ ULONG length = irpsp->Parameters.QueryVolume.Length;
+ struct disk_device *dev = device->DeviceExtension;
+ PIO_STATUS_BLOCK io = &irp->IoStatus;
+ struct volume *volume;
+ NTSTATUS status;
+
+ TRACE( "volume query %x length %u\n", info_class, length );
+
+ EnterCriticalSection( &device_section );
+ volume = dev->volume;
+ if (!volume)
+ {
+ status = STATUS_BAD_DEVICE_TYPE;
+ goto done;
+ }
+
+ switch(info_class)
+ {
+ case FileFsVolumeInformation:
+ {
+
+ FILE_FS_VOLUME_INFORMATION *info = irp->AssociatedIrp.SystemBuffer;
+
+ if (length < sizeof(FILE_FS_VOLUME_INFORMATION))
+ {
+ status = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ info->VolumeCreationTime.QuadPart = 0; /* FIXME */
+ info->VolumeSerialNumber = volume->serial;
+ info->VolumeLabelLength = min( strlenW(volume->label) * sizeof(WCHAR),
+ length - offsetof( FILE_FS_VOLUME_INFORMATION, VolumeLabel ) );
+ info->SupportsObjects = (get_mountmgr_fs_type(volume->fs_type) == MOUNTMGR_FS_TYPE_NTFS);
+ memcpy( info->VolumeLabel, volume->label, info->VolumeLabelLength );
+
+ io->Information = offsetof( FILE_FS_VOLUME_INFORMATION, VolumeLabel ) + info->VolumeLabelLength;
+ status = STATUS_SUCCESS;
+ break;
+ }
+ case FileFsAttributeInformation:
+ {
+ static const WCHAR fatW[] = {'F','A','T'};
+ static const WCHAR fat32W[] = {'F','A','T','3','2'};
+ static const WCHAR ntfsW[] = {'N','T','F','S'};
+ static const WCHAR cdfsW[] = {'C','D','F','S'};
+ static const WCHAR udfW[] = {'U','D','F'};
+
+ FILE_FS_ATTRIBUTE_INFORMATION *info = irp->AssociatedIrp.SystemBuffer;
+ enum mountmgr_fs_type fs_type = get_mountmgr_fs_type(volume->fs_type);
+
+ if (length < sizeof(FILE_FS_ATTRIBUTE_INFORMATION))
+ {
+ status = STATUS_INFO_LENGTH_MISMATCH;
+ break;
+ }
+
+ switch (fs_type)
+ {
+ case MOUNTMGR_FS_TYPE_ISO9660:
+ info->FileSystemAttributes = FILE_READ_ONLY_VOLUME;
+ info->MaximumComponentNameLength = 221;
+ info->FileSystemNameLength = min( sizeof(cdfsW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
+ memcpy(info->FileSystemName, cdfsW, info->FileSystemNameLength);
+ break;
+ case MOUNTMGR_FS_TYPE_UDF:
+ info->FileSystemAttributes = FILE_READ_ONLY_VOLUME | FILE_UNICODE_ON_DISK | FILE_CASE_SENSITIVE_SEARCH;
+ info->MaximumComponentNameLength = 255;
+ info->FileSystemNameLength = min( sizeof(udfW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
+ memcpy(info->FileSystemName, udfW, info->FileSystemNameLength);
+ break;
+ case MOUNTMGR_FS_TYPE_FAT:
+ info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES; /* FIXME */
+ info->MaximumComponentNameLength = 255;
+ info->FileSystemNameLength = min( sizeof(fatW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
+ memcpy(info->FileSystemName, fatW, info->FileSystemNameLength);
+ break;
+ case MOUNTMGR_FS_TYPE_FAT32:
+ info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES; /* FIXME */
+ info->MaximumComponentNameLength = 255;
+ info->FileSystemNameLength = min( sizeof(fat32W), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
+ memcpy(info->FileSystemName, fat32W, info->FileSystemNameLength);
+ break;
+ default:
+ info->FileSystemAttributes = FILE_CASE_PRESERVED_NAMES | FILE_PERSISTENT_ACLS;
+ info->MaximumComponentNameLength = 255;
+ info->FileSystemNameLength = min( sizeof(ntfsW), length - offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) );
+ memcpy(info->FileSystemName, ntfsW, info->FileSystemNameLength);
+ break;
+ }
+
+ io->Information = offsetof( FILE_FS_ATTRIBUTE_INFORMATION, FileSystemName ) + info->FileSystemNameLength;
+ status = STATUS_SUCCESS;
+ break;
+ }
+ default:
+ FIXME("Unsupported volume query %x\n", irpsp->Parameters.QueryVolume.FsInformationClass);
+ status = STATUS_NOT_SUPPORTED;
+ break;
+ }
+
+done:
+ io->u.Status = status;
+ LeaveCriticalSection( &device_section );
+ IoCompleteRequest( irp, IO_NO_INCREMENT );
+ return status;
+}
+
/* handler for ioctls on the harddisk device */
static NTSTATUS WINAPI harddisk_ioctl( DEVICE_OBJECT *device, IRP *irp )
{
@@ -1925,9 +2039,10 @@ NTSTATUS WINAPI harddisk_driver_entry( DRIVER_OBJECT *driver, UNICODE_STRING *pa
harddisk_driver = driver;
driver->MajorFunction[IRP_MJ_DEVICE_CONTROL] = harddisk_ioctl;
+ driver->MajorFunction[IRP_MJ_QUERY_VOLUME_INFORMATION] = harddisk_query_volume;
/* create a harddisk0 device that isn't assigned to any drive */
- create_disk_device( DEVICE_HARDDISK, &device );
+ create_disk_device( DEVICE_HARDDISK, &device, NULL );
create_drive_devices();
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