[PATCH] ntoskrnl.exe: Implement IoOpenDeviceRegistryKey().
Zhiyi Zhang
zzhang at codeweavers.com
Sat Mar 14 23:41:56 CDT 2020
On 3/15/20 5:04 AM, Zebediah Figura wrote:
> Needed by many native PnP drivers, including the FA-124 USB driver.
>
> Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
> ---
> dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 2 +-
> dlls/ntoskrnl.exe/pnp.c | 29 +++++++++++++++++++++++++++++
> include/ddk/wdm.h | 1 +
> 3 files changed, 31 insertions(+), 1 deletion(-)
>
> diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
> index 6b5b127a62..40341d8f0c 100644
> --- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
> +++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
> @@ -423,7 +423,7 @@
> @ stdcall IoIsWdmVersionAvailable(long long)
> @ stub IoMakeAssociatedIrp
> @ stub IoOpenDeviceInterfaceRegistryKey
> -@ stub IoOpenDeviceRegistryKey
> +@ stdcall IoOpenDeviceRegistryKey(ptr long long ptr)
> @ stub IoPageRead
> @ stub IoPnPDeliverServicePowerNotification
> @ stdcall IoQueryDeviceDescription(ptr ptr ptr ptr ptr ptr ptr ptr)
> diff --git a/dlls/ntoskrnl.exe/pnp.c b/dlls/ntoskrnl.exe/pnp.c
> index 863e1d9d53..2acc7ade47 100644
> --- a/dlls/ntoskrnl.exe/pnp.c
> +++ b/dlls/ntoskrnl.exe/pnp.c
> @@ -844,6 +844,35 @@ NTSTATUS WINAPI IoRegisterDeviceInterface(DEVICE_OBJECT *device, const GUID *cla
> return status;
> }
>
> +/***********************************************************************
> + * IoOpenDeviceRegistryKey (NTOSKRNL.EXE.@)
> + */
> +NTSTATUS WINAPI IoOpenDeviceRegistryKey( DEVICE_OBJECT *device, ULONG type, ACCESS_MASK access, HANDLE *key )
> +{
> + SP_DEVINFO_DATA sp_device = {sizeof(sp_device)};
> + WCHAR device_instance_id[MAX_DEVICE_ID_LEN];
> + NTSTATUS status;
> + HDEVINFO set;
> +
> + TRACE("device %p, type %#x, access %#x, key %p.\n", device, type, access, key);
> +
> + if ((status = get_device_instance_id( device, device_instance_id )))
> + {
> + ERR("Failed to get device instance ID, error %#x.\n", status);
> + return status;
> + }
> +
> + set = SetupDiCreateDeviceInfoList( &GUID_NULL, NULL );
> +
> + SetupDiOpenDeviceInfoW( set, device_instance_id, NULL, 0, &sp_device );
> +
> + *key = SetupDiOpenDevRegKey( set, &sp_device, DICS_FLAG_GLOBAL, 0, type, access );
> + if (*key == INVALID_HANDLE_VALUE)
> + return GetLastError();
Leaking 'set' on error path.
> + SetupDiDestroyDeviceInfoList( set );
> + return STATUS_SUCCESS;
> +}
> +
> /***********************************************************************
> * PoSetPowerState (NTOSKRNL.EXE.@)
> */
> diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
> index 53ea9e17cf..b4325cec6c 100644
> --- a/include/ddk/wdm.h
> +++ b/include/ddk/wdm.h
> @@ -1607,6 +1607,7 @@ void WINAPI IoGetStackLimits(ULONG_PTR*,ULONG_PTR*);
> void WINAPI IoInitializeIrp(IRP*,USHORT,CCHAR);
> VOID WINAPI IoInitializeRemoveLockEx(PIO_REMOVE_LOCK,ULONG,ULONG,ULONG,ULONG);
> void WINAPI IoInvalidateDeviceRelations(PDEVICE_OBJECT,DEVICE_RELATION_TYPE);
> +NTSTATUS WINAPI IoOpenDeviceRegistryKey(DEVICE_OBJECT*,ULONG,ACCESS_MASK,HANDLE*);
> void WINAPI IoQueueWorkItem(PIO_WORKITEM,PIO_WORKITEM_ROUTINE,WORK_QUEUE_TYPE,void*);
> NTSTATUS WINAPI IoRegisterDeviceInterface(PDEVICE_OBJECT,const GUID*,PUNICODE_STRING,PUNICODE_STRING);
> void WINAPI IoReleaseCancelSpinLock(KIRQL);
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