[PATCH] ntoskrnl.exe: Implement IoOpenDeviceRegistryKey().
Zebediah Figura
z.figura12 at gmail.com
Sat Mar 14 16:04:44 CDT 2020
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();
+ 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);
--
2.25.1
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