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[NTOSKRNL]
Hackplement IoWMIOpenBlock and IoWMIQueryAllData. Just enough to query the SMBIOS tables. svn path=/trunk/; revision=66822
This commit is contained in:
Timo Kreuzer
parent
02b663f961
commit
0ca08e8f25
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@ -270,6 +270,7 @@ list(APPEND SOURCE
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${REACTOS_SOURCE_DIR}/ntoskrnl/se/token.c
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${REACTOS_SOURCE_DIR}/ntoskrnl/vf/driver.c
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${REACTOS_SOURCE_DIR}/ntoskrnl/wmi/guidobj.c
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${REACTOS_SOURCE_DIR}/ntoskrnl/wmi/smbios.c
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${REACTOS_SOURCE_DIR}/ntoskrnl/wmi/wmi.c
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${REACTOS_SOURCE_DIR}/ntoskrnl/wmi/wmidrv.c)
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@ -167,22 +167,13 @@ WmipGUIDFromString(
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static
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NTSTATUS
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WmipCreateGuidObject(
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_In_ PUNICODE_STRING GuidString,
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_In_ const GUID *Guid,
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_Out_ PWMIP_GUID_OBJECT *OutGuidObject)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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GUID Guid;
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PWMIP_GUID_OBJECT GuidObject;
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NTSTATUS Status;
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/* Convert the string into a GUID structure */
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Status = WmipGUIDFromString(GuidString, &Guid);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("WMI: Invalid uuid format for guid '%wZ'\n", GuidString);
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return Status;
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}
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/* Initialize object attributes for an unnamed object */
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InitializeObjectAttributes(&ObjectAttributes,
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NULL,
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@ -207,7 +198,7 @@ WmipCreateGuidObject(
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}
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RtlZeroMemory(GuidObject, sizeof(*GuidObject));
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GuidObject->Guid = Guid;
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GuidObject->Guid = *Guid;
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*OutGuidObject = GuidObject;
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@ -217,37 +208,22 @@ WmipCreateGuidObject(
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NTSTATUS
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NTAPI
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WmipOpenGuidObject(
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POBJECT_ATTRIBUTES ObjectAttributes,
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ACCESS_MASK DesiredAccess,
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KPROCESSOR_MODE AccessMode,
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PHANDLE OutGuidObjectHandle,
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PVOID *OutGuidObject)
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_In_ LPCGUID Guid,
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_In_ ACCESS_MASK DesiredAccess,
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_In_ KPROCESSOR_MODE AccessMode,
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_Out_ PHANDLE OutGuidObjectHandle,
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_Outptr_ PVOID *OutGuidObject)
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{
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static UNICODE_STRING Prefix = RTL_CONSTANT_STRING(L"\\WmiGuid\\");
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UNICODE_STRING GuidString;
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ULONG HandleAttributes;
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PWMIP_GUID_OBJECT GuidObject;
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ULONG HandleAttributes;
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NTSTATUS Status;
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PAGED_CODE();
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/* Check if we have the expected prefix */
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if (!RtlPrefixUnicodeString(&Prefix, ObjectAttributes->ObjectName, FALSE))
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{
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DPRINT1("WMI: Invalid prefix for guid object '%wZ'\n",
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ObjectAttributes->ObjectName);
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return STATUS_INVALID_PARAMETER;
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}
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/* Extract the GUID string */
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GuidString = *ObjectAttributes->ObjectName;
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GuidString.Buffer += Prefix.Length / sizeof(WCHAR);
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GuidString.Length -= Prefix.Length;
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/* Create the GUID object */
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Status = WmipCreateGuidObject(&GuidString, &GuidObject);
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Status = WmipCreateGuidObject(Guid, &GuidObject);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Failed to create GUID object: 0x%lx\n", Status);
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*OutGuidObject = NULL;
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return Status;
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}
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@ -266,6 +242,7 @@ WmipOpenGuidObject(
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{
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DPRINT1("ObOpenObjectByPointer failed: 0x%lx\n", Status);
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ObfDereferenceObject(GuidObject);
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GuidObject = NULL;
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}
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*OutGuidObject = GuidObject;
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@ -273,3 +250,46 @@ WmipOpenGuidObject(
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return Status;
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}
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NTSTATUS
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NTAPI
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WmipOpenGuidObjectByName(
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_In_ POBJECT_ATTRIBUTES ObjectAttributes,
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_In_ ACCESS_MASK DesiredAccess,
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_In_ KPROCESSOR_MODE AccessMode,
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_Out_ PHANDLE OutGuidObjectHandle,
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_Outptr_ PVOID *OutGuidObject)
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{
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static UNICODE_STRING Prefix = RTL_CONSTANT_STRING(L"\\WmiGuid\\");
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UNICODE_STRING GuidString;
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NTSTATUS Status;
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GUID Guid;
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PAGED_CODE();
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/* Check if we have the expected prefix */
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if (!RtlPrefixUnicodeString(&Prefix, ObjectAttributes->ObjectName, FALSE))
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{
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DPRINT1("WMI: Invalid prefix for guid object '%wZ'\n",
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ObjectAttributes->ObjectName);
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return STATUS_INVALID_PARAMETER;
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}
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/* Extract the GUID string */
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GuidString = *ObjectAttributes->ObjectName;
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GuidString.Buffer += Prefix.Length / sizeof(WCHAR);
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GuidString.Length -= Prefix.Length;
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/* Convert the string into a GUID structure */
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Status = WmipGUIDFromString(&GuidString, &Guid);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("WMI: Invalid uuid format for guid '%wZ'\n", GuidString);
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return Status;
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}
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return WmipOpenGuidObject(&Guid,
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DesiredAccess,
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AccessMode,
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OutGuidObjectHandle,
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OutGuidObject);
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}
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279
reactos/ntoskrnl/wmi/smbios.c
Normal file
279
reactos/ntoskrnl/wmi/smbios.c
Normal file
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@ -0,0 +1,279 @@
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/*
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* PROJECT: ReactOS Kernel
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: ntoskrnl/io/wmi.c
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* PURPOSE: I/O Windows Management Instrumentation (WMI) Support
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* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
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*/
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/* INCLUDES *****************************************************************/
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#include <ntoskrnl.h>
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#include <wmiguid.h>
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#include <wmidata.h>
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#include <wmistr.h>
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#include "wmip.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS *****************************************************************/
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typedef struct _SMBIOS21_ENTRY_POINT
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{
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CHAR AnchorString[4];
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UCHAR Checksum;
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UCHAR Length;
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UCHAR MajorVersion;
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UCHAR MinorVersion;
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USHORT MaxStructureSize;
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UCHAR EntryPointRevision;
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CHAR FormattedArea[5];
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CHAR AnchorString2[5];
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UCHAR Checksum2;
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USHORT TableLength;
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ULONG TableAddress;
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USHORT NumberOfStructures;
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UCHAR BCDRevision;
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} SMBIOS21_ENTRY_POINT, *PSMBIOS21_ENTRY_POINT;
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typedef struct _SMBIOS30_ENTRY_POINT
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{
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CHAR AnchorString[5];
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UCHAR Checksum;
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UCHAR Length;
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UCHAR MajorVersion;
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UCHAR MinorVersion;
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UCHAR Docref;
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UCHAR Revision;
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UCHAR Reserved;
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ULONG TableMaxSize;
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ULONG64 TableAddress;
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} SMBIOS30_ENTRY_POINT, *PSMBIOS30_ENTRY_POINT;
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static
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BOOLEAN
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GetEntryPointData(
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_In_ const UCHAR *EntryPointAddress,
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_Out_ PULONG64 TableAddress,
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_Out_ PULONG TableSize,
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_Out_ PMSSmBios_RawSMBiosTables BiosTablesHeader)
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{
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PSMBIOS21_ENTRY_POINT EntryPoint21;
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PSMBIOS30_ENTRY_POINT EntryPoint30;
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UCHAR Checksum;
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ULONG i;
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/* Check for SMBIOS 2.1 entry point */
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EntryPoint21 = (PSMBIOS21_ENTRY_POINT)EntryPointAddress;
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if (RtlEqualMemory(EntryPoint21->AnchorString, "_SM_", 4))
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{
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if (EntryPoint21->Length > 32)
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return FALSE;
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/* Calculate the checksum */
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Checksum = 0;
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for (i = 0; i < EntryPoint21->Length; i++)
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{
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Checksum += EntryPointAddress[i];
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}
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if (Checksum != 0)
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return FALSE;
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*TableAddress = EntryPoint21->TableAddress;
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*TableSize = EntryPoint21->TableLength;
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BiosTablesHeader->Used20CallingMethod = 0;
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BiosTablesHeader->SmbiosMajorVersion = EntryPoint21->MajorVersion;
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BiosTablesHeader->SmbiosMinorVersion = EntryPoint21->MinorVersion;
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BiosTablesHeader->DmiRevision = 2;
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BiosTablesHeader->Size = EntryPoint21->TableLength;
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return TRUE;
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}
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/* Check for SMBIOS 3.0 entry point */
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EntryPoint30 = (PSMBIOS30_ENTRY_POINT)EntryPointAddress;
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if (RtlEqualMemory(EntryPoint30->AnchorString, "_SM3_", 5))
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{
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if (EntryPoint30->Length > 32)
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return FALSE;
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/* Calculate the checksum */
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Checksum = 0;
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for (i = 0; i < EntryPoint30->Length; i++)
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{
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Checksum += EntryPointAddress[i];
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}
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if (Checksum != 0)
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return FALSE;
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*TableAddress = EntryPoint30->TableAddress;
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*TableSize = EntryPoint30->TableMaxSize;
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BiosTablesHeader->Used20CallingMethod = 0;
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BiosTablesHeader->SmbiosMajorVersion = EntryPoint30->MajorVersion;
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BiosTablesHeader->SmbiosMinorVersion = EntryPoint30->MinorVersion;
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BiosTablesHeader->DmiRevision = 3;
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BiosTablesHeader->Size = EntryPoint30->TableMaxSize;
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return TRUE;
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}
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return FALSE;
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}
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_At_(*OutTableData, __drv_allocatesMem(Mem))
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NTSTATUS
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NTAPI
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WmipGetRawSMBiosTableData(
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_Outptr_opt_result_buffer_(*OutDataSize) PVOID *OutTableData,
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_Out_ PULONG OutDataSize)
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{
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static const SIZE_T SearchSize = 0x10000;
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static const ULONG HeaderSize = FIELD_OFFSET(MSSmBios_RawSMBiosTables, SMBiosData);
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PHYSICAL_ADDRESS PhysicalAddress;
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PUCHAR EntryPointMapping;
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MSSmBios_RawSMBiosTables BiosTablesHeader;
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PVOID BiosTables, TableMapping;
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ULONG Offset, TableSize;
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ULONG64 TableAddress = 0;
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/* This is where the range for the entry point starts */
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PhysicalAddress.QuadPart = 0xF0000;
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/* Map the range into the system address space */
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EntryPointMapping = MmMapIoSpace(PhysicalAddress, SearchSize, MmCached);
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if (EntryPointMapping == NULL)
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{
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DPRINT1("Failed to map range for SMBIOS entry point\n");
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return STATUS_UNSUCCESSFUL;
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}
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/* Loop the table memory in 16 byte steps */
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for (Offset = 0; Offset <= (0x10000 - 32); Offset += 16)
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{
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/* Check if we have an entry point here and get it's data */
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if (GetEntryPointData(EntryPointMapping + Offset,
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&TableAddress,
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&TableSize,
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&BiosTablesHeader))
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{
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break;
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}
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}
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/* Unmap the entry point */
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MmUnmapIoSpace(EntryPointMapping, SearchSize);
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/* Did we find anything */
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if (TableAddress == 0)
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{
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DPRINT1("Could not find the SMBIOS entry point\n");
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return STATUS_NOT_FOUND;
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}
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/* Check if the caller asked for the buffer */
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if (OutTableData != NULL)
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{
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/* Allocate a buffer for the result */
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BiosTables = ExAllocatePoolWithTag(PagedPool,
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HeaderSize + TableSize,
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'BTMS');
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if (BiosTables == NULL)
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{
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DPRINT1("Failed to allocate %lu bytes for the SMBIOS table\n");
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* Copy the header */
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RtlCopyMemory(BiosTables, &BiosTablesHeader, HeaderSize);
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/* This is where the table is */
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PhysicalAddress.QuadPart = TableAddress;
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/* Map the table into the system address space */
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TableMapping = MmMapIoSpace(PhysicalAddress, TableSize, MmCached);
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if (TableMapping == NULL)
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{
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return STATUS_UNSUCCESSFUL;
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}
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/* Copy the table */
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RtlCopyMemory((PUCHAR)BiosTables + HeaderSize, TableMapping, TableSize);
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/* Unmap the table */
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MmUnmapIoSpace(TableMapping, TableSize);
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*OutTableData = BiosTables;
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}
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*OutDataSize = HeaderSize + TableSize;
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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WmipQueryRawSMBiosTables(
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_Inout_ ULONG *InOutBufferSize,
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_Out_opt_ PVOID OutBuffer)
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{
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NTSTATUS Status;
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PVOID TableData = NULL;
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ULONG TableSize, ResultSize;
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PWNODE_ALL_DATA AllData;
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/* Get the table data */
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Status = WmipGetRawSMBiosTableData(OutBuffer ? &TableData : NULL, &TableSize);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("WmipGetRawSMBiosTableData failed: 0x08lx\n", Status);
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return Status;
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}
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ResultSize = sizeof(WNODE_ALL_DATA) + TableSize;
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/* Check if the caller provided a buffer */
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if ((OutBuffer != NULL) && (*InOutBufferSize != 0))
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{
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/* Check if the buffer is large enough */
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if (*InOutBufferSize < ResultSize)
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{
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DPRINT1("Buffer too small. Got %lu, need %lu\n",
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*InOutBufferSize, ResultSize);
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return STATUS_BUFFER_TOO_SMALL;
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}
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/// FIXME: most of this is fubar
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AllData = OutBuffer;
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AllData->WnodeHeader.BufferSize = ResultSize;
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AllData->WnodeHeader.ProviderId = 0;
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AllData->WnodeHeader.Version = 0;
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AllData->WnodeHeader.Linkage = 0; // last entry
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//AllData->WnodeHeader.CountLost;
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AllData->WnodeHeader.KernelHandle = NULL;
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//AllData->WnodeHeader.TimeStamp;
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AllData->WnodeHeader.Guid = MSSmBios_RawSMBiosTables_GUID;
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AllData->WnodeHeader.ClientContext;
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AllData->WnodeHeader.Flags = WNODE_FLAG_FIXED_INSTANCE_SIZE;
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AllData->DataBlockOffset = sizeof(WNODE_ALL_DATA);
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AllData->InstanceCount = 1;
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AllData->OffsetInstanceNameOffsets;
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AllData->FixedInstanceSize = TableSize;
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RtlCopyMemory(AllData + 1, TableData, TableSize);
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}
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/* Set the size */
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*InOutBufferSize = ResultSize;
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/* Free the table buffer */
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if (TableData != NULL)
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{
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ExFreePoolWithTag(TableData, 'BTMS');
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}
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return STATUS_SUCCESS;
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}
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@ -9,6 +9,11 @@
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/* INCLUDES *****************************************************************/
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#include <ntoskrnl.h>
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#define INITGUID
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#include <wmiguid.h>
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#include <wmidata.h>
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#include <wmistr.h>
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#include "wmip.h"
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#define NDEBUG
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@ -106,12 +111,28 @@ IoWMIWriteEvent(IN PVOID WnodeEventItem)
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*/
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NTSTATUS
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NTAPI
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IoWMIOpenBlock(IN LPCGUID DataBlockGuid,
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IN ULONG DesiredAccess,
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OUT PVOID *DataBlockObject)
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IoWMIOpenBlock(
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_In_ LPCGUID DataBlockGuid,
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_In_ ULONG DesiredAccess,
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_Out_ PVOID *DataBlockObject)
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{
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UNIMPLEMENTED;
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return STATUS_NOT_IMPLEMENTED;
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HANDLE GuidObjectHandle;
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NTSTATUS Status;
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/* Open the GIOD object */
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Status = WmipOpenGuidObject(DataBlockGuid,
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DesiredAccess,
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KernelMode,
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&GuidObjectHandle,
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DataBlockObject);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("WmipOpenGuidObject failed: 0x%lx\n", Status);
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return Status;
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}
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return STATUS_SUCCESS;
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}
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/*
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|
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@ -119,12 +140,39 @@ IoWMIOpenBlock(IN LPCGUID DataBlockGuid,
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*/
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NTSTATUS
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NTAPI
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IoWMIQueryAllData(IN PVOID DataBlockObject,
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IN OUT ULONG *InOutBufferSize,
|
||||
OUT PVOID OutBuffer)
|
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IoWMIQueryAllData(
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IN PVOID DataBlockObject,
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IN OUT ULONG *InOutBufferSize,
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OUT PVOID OutBuffer)
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{
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UNIMPLEMENTED;
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return STATUS_NOT_IMPLEMENTED;
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PWMIP_GUID_OBJECT GuidObject;
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NTSTATUS Status;
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Status = ObReferenceObjectByPointer(DataBlockObject,
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WMIGUID_QUERY,
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WmipGuidObjectType,
|
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KernelMode);
|
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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GuidObject = DataBlockObject;
|
||||
|
||||
/* Huge HACK! */
|
||||
if (IsEqualGUID(&GuidObject->Guid, &MSSmBios_RawSMBiosTables_GUID))
|
||||
{
|
||||
Status = WmipQueryRawSMBiosTables(InOutBufferSize, OutBuffer);
|
||||
}
|
||||
else
|
||||
{
|
||||
Status = STATUS_NOT_SUPPORTED;
|
||||
}
|
||||
|
||||
ObDereferenceObject(DataBlockObject);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -210,14 +210,14 @@ WmipRegisterGuids(
|
|||
}
|
||||
|
||||
/* Open a new GUID object */
|
||||
Status = WmipOpenGuidObject(&LocalObjectAttributes,
|
||||
SPECIFIC_RIGHTS_ALL,
|
||||
PreviousMode,
|
||||
&GuidObjectHandle,
|
||||
&GuidObject);
|
||||
Status = WmipOpenGuidObjectByName(&LocalObjectAttributes,
|
||||
SPECIFIC_RIGHTS_ALL,
|
||||
PreviousMode,
|
||||
&GuidObjectHandle,
|
||||
&GuidObject);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
DPRINT1("WmipOpenGuidObject failed: 0x%lx\n", Status);
|
||||
DPRINT1("WmipOpenGuidObjectByName failed: 0x%lx\n", Status);
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
|
@ -409,14 +409,14 @@ WmipOpenGuidForEvents(
|
|||
}
|
||||
|
||||
/* Open a new GUID object */
|
||||
Status = WmipOpenGuidObject(&LocalObjectAttributes,
|
||||
OpenGuidForEvents->DesiredAccess,
|
||||
PreviousMode,
|
||||
&GuidObjectHandle,
|
||||
&GuidObject);
|
||||
Status = WmipOpenGuidObjectByName(&LocalObjectAttributes,
|
||||
OpenGuidForEvents->DesiredAccess,
|
||||
PreviousMode,
|
||||
&GuidObjectHandle,
|
||||
&GuidObject);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
DPRINT1("WmipOpenGuidObject failed: 0x%lx\n", Status);
|
||||
DPRINT1("WmipOpenGuidObjectByName failed: 0x%lx\n", Status);
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,6 +1,8 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
extern POBJECT_TYPE WmipGuidObjectType;
|
||||
|
||||
#define GUID_STRING_LENGTH 36
|
||||
|
||||
typedef struct _WMIP_IRP_CONTEXT
|
||||
|
|
@ -32,8 +34,24 @@ WmipInitializeGuidObjectType(
|
|||
NTSTATUS
|
||||
NTAPI
|
||||
WmipOpenGuidObject(
|
||||
POBJECT_ATTRIBUTES ObjectAttributes,
|
||||
ACCESS_MASK DesiredAccess,
|
||||
KPROCESSOR_MODE AccessMode,
|
||||
PHANDLE OutGuidObjectHandle,
|
||||
PVOID *OutGuidObject);
|
||||
_In_ LPCGUID Guid,
|
||||
_In_ ACCESS_MASK DesiredAccess,
|
||||
_In_ KPROCESSOR_MODE AccessMode,
|
||||
_Out_ PHANDLE OutGuidObjectHandle,
|
||||
_Outptr_ PVOID *OutGuidObject);
|
||||
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
WmipOpenGuidObjectByName(
|
||||
_In_ POBJECT_ATTRIBUTES ObjectAttributes,
|
||||
_In_ ACCESS_MASK DesiredAccess,
|
||||
_In_ KPROCESSOR_MODE AccessMode,
|
||||
_Out_ PHANDLE OutGuidObjectHandle,
|
||||
_Outptr_ PVOID *OutGuidObject);
|
||||
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
WmipQueryRawSMBiosTables(
|
||||
_Inout_ ULONG *InOutBufferSize,
|
||||
_Out_opt_ PVOID OutBuffer);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue