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[FLOPPY] Implement IOCTL_MOUNTDEV_QUERY_DEVICE_NAME

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This commit is contained in:
Pierre Schweitzer 2019-09-14 10:48:19 +02:00
parent bf6215c601
commit 20b4f0a231
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GPG key ID: 7545556C3D585B0B
2 changed files with 25 additions and 0 deletions
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24
drivers/storage/floppy/ioctl.c
View file

@ -74,6 +74,7 @@ DeviceIoctlPassive(PDRIVE_INFO DriveInfo, PIRP Irp)
PVOID OutputBuffer = Irp->AssociatedIrp.SystemBuffer;
ULONG Code = Stack->Parameters.DeviceIoControl.IoControlCode;
BOOLEAN DiskChanged;
PMOUNTDEV_NAME Name;
TRACE_(FLOPPY, "DeviceIoctl called\n");
Irp->IoStatus.Status = STATUS_SUCCESS;
@ -255,6 +256,29 @@ DeviceIoctlPassive(PDRIVE_INFO DriveInfo, PIRP Irp)
Irp->IoStatus.Information = 0;
break;
case IOCTL_MOUNTDEV_QUERY_DEVICE_NAME:
if (OutputLength < sizeof(MOUNTDEV_NAME)) {
Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
Irp->IoStatus.Information = sizeof(MOUNTDEV_NAME);
break;
}
Name = Irp->AssociatedIrp.SystemBuffer;
Name->NameLength = wcslen(&DriveInfo->SymLinkBuffer[0]) * sizeof(WCHAR);
if (OutputLength < sizeof(USHORT) + Name->NameLength) {
Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
Irp->IoStatus.Information = sizeof(MOUNTDEV_NAME);
break;
}
RtlCopyMemory(Name->Name, &DriveInfo->SymLinkBuffer[0],
Name->NameLength);
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = sizeof(USHORT) + Name->NameLength;
break;
default:
ERR_(FLOPPY, "UNKNOWN IOCTL CODE: 0x%x\n", Code);
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;

1
drivers/storage/floppy/precomp.h
View file

@ -2,6 +2,7 @@
#define _FLOPPY_PCH_
#include <wdm.h>
#include <mountdev.h>
#include "floppy.h"
#include "csqrtns.h"