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- Implement IoOpenDeviceRegistryKey for PLUGPLAY_REGKEY_DRIVER case.
- Implement IoGetDeviceProperty for DevicePropertyClassName, DevicePropertyClassGuid, DevicePropertyDriverKeyName, DevicePropertyManufacturer, DevicePropertyFriendlyName cases. svn path=/trunk/; revision=11250
This commit is contained in:
Filip Navara
parent
dd7fed7f38
commit
1e6e22e32e
2 changed files with 138 additions and 12 deletions
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@ -1,6 +1,6 @@
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#ifndef _INCLUDE_DDK_IOFUNCS_H
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#define _INCLUDE_DDK_IOFUNCS_H
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/* $Id: iofuncs.h,v 1.43 2004/08/21 12:12:35 tamlin Exp $ */
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/* $Id: iofuncs.h,v 1.44 2004/10/09 18:16:57 navaraf Exp $ */
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#ifdef __NTOSKRNL__
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extern POBJECT_TYPE EXPORTED IoAdapterObjectType;
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@ -1781,6 +1781,20 @@ IoWMIDeviceObjectToInstanceName(
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OUT PUNICODE_STRING InstanceName
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);
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NTSTATUS
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STDCALL
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IoAllocateDriverObjectExtension(
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IN PDRIVER_OBJECT DriverObject,
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IN PVOID ClientIdentificationAddress,
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IN ULONG DriverObjectExtensionSize,
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OUT PVOID *DriverObjectExtension);
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PVOID
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STDCALL
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IoGetDriverObjectExtension(
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IN PDRIVER_OBJECT DriverObject,
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IN PVOID ClientIdentificationAddress);
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/* --- --- --- INTERNAL or REACTOS ONLY --- --- --- */
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@ -1,4 +1,4 @@
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/* $Id: pnpmgr.c,v 1.33 2004/08/21 20:55:41 tamlin Exp $
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/* $Id: pnpmgr.c,v 1.34 2004/10/09 18:16:58 navaraf Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -87,11 +87,6 @@ IoGetDeviceProperty(
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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/*
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* Used IRPs:
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* IRP_MN_QUERY_ID
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* IRP_MN_QUERY_BUS_INFORMATION
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*/
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switch (DeviceProperty)
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{
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case DevicePropertyBusNumber:
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@ -134,18 +129,94 @@ IoGetDeviceProperty(
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Data = &DeviceNode->CapabilityFlags->UINumber;
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break;
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case DevicePropertyClassName:
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case DevicePropertyClassGuid:
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case DevicePropertyDriverKeyName:
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case DevicePropertyManufacturer:
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case DevicePropertyFriendlyName:
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{
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LPWSTR RegistryPropertyName, KeyNameBuffer;
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UNICODE_STRING KeyName, ValueName;
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OBJECT_ATTRIBUTES ObjectAttributes;
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KEY_VALUE_PARTIAL_INFORMATION *ValueInformation;
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ULONG ValueInformationLength;
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HANDLE KeyHandle;
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NTSTATUS Status;
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switch (DeviceProperty)
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{
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case DevicePropertyClassName:
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RegistryPropertyName = L"Class"; break;
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case DevicePropertyClassGuid:
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RegistryPropertyName = L"ClassGuid"; break;
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case DevicePropertyDriverKeyName:
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RegistryPropertyName = L"Driver"; break;
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case DevicePropertyManufacturer:
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RegistryPropertyName = L"Mfg"; break;
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case DevicePropertyFriendlyName:
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RegistryPropertyName = L"FriendlyName"; break;
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default: ;
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}
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KeyNameBuffer = ExAllocatePool(PagedPool,
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(49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
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if (KeyNameBuffer == NULL)
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return STATUS_INSUFFICIENT_RESOURCES;
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wcscpy(KeyNameBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
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wcscat(KeyNameBuffer, DeviceNode->InstancePath.Buffer);
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RtlInitUnicodeString(&KeyName, KeyNameBuffer);
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InitializeObjectAttributes(&ObjectAttributes, &KeyName,
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OBJ_CASE_INSENSITIVE, NULL, NULL);
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Status = ZwOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
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ExFreePool(KeyNameBuffer);
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if (!NT_SUCCESS(Status))
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return Status;
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RtlInitUnicodeString(&ValueName, RegistryPropertyName);
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ValueInformationLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION,
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Data[0]) + BufferLength;
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ValueInformation = ExAllocatePool(PagedPool, ValueInformationLength);
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if (ValueInformation == NULL)
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{
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ZwClose(KeyHandle);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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Status = ZwQueryValueKey(KeyHandle, &ValueName,
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KeyValuePartialInformation, ValueInformation,
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ValueInformationLength,
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&ValueInformationLength);
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*ResultLength = ValueInformation->DataLength;
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ZwClose(KeyHandle);
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if (ValueInformation->DataLength > BufferLength)
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Status = STATUS_BUFFER_TOO_SMALL;
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if (!NT_SUCCESS(Status))
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{
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ExFreePool(ValueInformation);
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return Status;
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}
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/* FIXME: Verify the value (NULL-terminated, correct format). */
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RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
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ValueInformation->DataLength);
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ExFreePool(ValueInformation);
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return STATUS_SUCCESS;
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}
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case DevicePropertyBootConfiguration:
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case DevicePropertyBootConfigurationTranslated:
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case DevicePropertyClassGuid:
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case DevicePropertyClassName:
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case DevicePropertyCompatibleIDs:
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case DevicePropertyDeviceDescription:
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case DevicePropertyDriverKeyName:
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case DevicePropertyEnumeratorName:
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case DevicePropertyFriendlyName:
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case DevicePropertyHardwareID:
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case DevicePropertyLocationInformation:
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case DevicePropertyManufacturer:
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case DevicePropertyPhysicalDeviceObjectName:
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return STATUS_NOT_IMPLEMENTED;
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@ -182,6 +253,47 @@ IoOpenDeviceRegistryKey(
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IN ACCESS_MASK DesiredAccess,
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OUT PHANDLE DevInstRegKey)
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{
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static const WCHAR ClassKeyName[] = {
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'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
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'S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t',
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'r','o','l','S','e','t','\\','C','o','n','t','r','o','l','\\',
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'C','l','a','s','s','\\'};
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LPWSTR KeyNameBuffer;
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UNICODE_STRING KeyName;
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ULONG DriverKeyLength;
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OBJECT_ATTRIBUTES ObjectAttributes;
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NTSTATUS Status;
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if (DevInstKeyType == PLUGPLAY_REGKEY_DRIVER)
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{
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Status = IoGetDeviceProperty(DeviceObject, DevicePropertyDriverKeyName,
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0, NULL, &DriverKeyLength);
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if (Status != STATUS_BUFFER_TOO_SMALL)
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return Status;
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KeyNameBuffer = ExAllocatePool(PagedPool, DriverKeyLength + sizeof(ClassKeyName));
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if (KeyNameBuffer == NULL)
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return STATUS_INSUFFICIENT_RESOURCES;
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RtlCopyMemory(KeyNameBuffer, ClassKeyName, sizeof(ClassKeyName));
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Status = IoGetDeviceProperty(DeviceObject, DevicePropertyDriverKeyName,
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DriverKeyLength, KeyNameBuffer +
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(sizeof(ClassKeyName) / sizeof(WCHAR)),
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&DriverKeyLength);
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if (!NT_SUCCESS(Status))
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{
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ExFreePool(KeyNameBuffer);
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return Status;
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}
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RtlInitUnicodeString(&KeyName, KeyNameBuffer);
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InitializeObjectAttributes(&ObjectAttributes, &KeyName,
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OBJ_CASE_INSENSITIVE, NULL, NULL);
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Status = ZwOpenKey(DevInstRegKey, DesiredAccess, &ObjectAttributes);
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ExFreePool(KeyNameBuffer);
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return Status;
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}
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return STATUS_NOT_IMPLEMENTED;
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}
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