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ntoskrnl.exe: Add support for METHOD_IN_DIRECT/METHOD_OUT_DIRECT ioctls.

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Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sebastian Lackner 2016-10-16 08:51:06 +02:00 committed by Alexandre Julliard
parent 5789b94f19
commit eb7ac554d1
2 changed files with 19 additions and 4 deletions
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2
dlls/ntdll/file.c
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@ -1561,6 +1561,8 @@ static NTSTATUS server_ioctl_file( HANDLE handle, HANDLE event,
req->async.event = wine_server_obj_handle( event );
req->async.cvalue = cvalue;
wine_server_add_data( req, in_buffer, in_size );
if ((code & 3) != METHOD_BUFFERED)
wine_server_add_data( req, out_buffer, out_size );
wine_server_set_reply( req, out_buffer, out_size );
status = wine_server_call( req );
wait_handle = wine_server_ptr_handle( reply->wait );

21
dlls/ntoskrnl.exe/ntoskrnl.c
View file

@ -428,17 +428,27 @@ static NTSTATUS dispatch_ioctl( const irp_params_t *params, void *in_buff, ULONG
TRACE( "ioctl %x device %p file %p in_size %u out_size %u\n",
params->ioctl.code, device, file, in_size, out_size );
if ((params->ioctl.code & 3) == METHOD_BUFFERED) out_size = max( in_size, out_size );
if (out_size)
{
if (!(out_buff = HeapAlloc( GetProcessHeap(), 0, out_size ))) return STATUS_NO_MEMORY;
if ((params->ioctl.code & 3) == METHOD_BUFFERED)
if ((params->ioctl.code & 3) != METHOD_BUFFERED)
{
if (in_size < out_size) return STATUS_INVALID_DEVICE_REQUEST;
in_size -= out_size;
if (!(out_buff = HeapAlloc( GetProcessHeap(), 0, out_size ))) return STATUS_NO_MEMORY;
memcpy( out_buff, (char *)in_buff + in_size, out_size );
}
else if (out_size > in_size)
{
if (!(out_buff = HeapAlloc( GetProcessHeap(), 0, out_size ))) return STATUS_NO_MEMORY;
memcpy( out_buff, in_buff, in_size );
to_free = in_buff;
in_buff = out_buff;
}
else
{
out_buff = in_buff;
out_size = in_size;
}
}
irp = IoBuildDeviceIoControlRequest( params->ioctl.code, device, in_buff, in_size, out_buff, out_size,
@ -449,6 +459,9 @@ static NTSTATUS dispatch_ioctl( const irp_params_t *params, void *in_buff, ULONG
return STATUS_NO_MEMORY;
}
if (out_size && (params->ioctl.code & 3) != METHOD_BUFFERED)
HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, in_buff, in_size );
irp->Tail.Overlay.OriginalFileObject = file;
irp->RequestorMode = UserMode;
irp->AssociatedIrp.SystemBuffer = in_buff;