ReactOS  0.4.15-dev-321-g2d9b385
guidobj.c File Reference
#include <ntoskrnl.h>
#include <wmistr.h>
#include "wmip.h"
#include <debug.h>
Include dependency graph for guidobj.c:

Go to the source code of this file.

Macros

#define NDEBUG
 

Functions

NTSTATUS NTAPI WmipSecurityMethod (_In_ PVOID Object, _In_ SECURITY_OPERATION_CODE OperationType, _In_ PSECURITY_INFORMATION SecurityInformation, _In_ PSECURITY_DESCRIPTOR SecurityDescriptor, _Inout_ PULONG CapturedLength, _Inout_ PSECURITY_DESCRIPTOR *ObjectSecurityDescriptor, _In_ POOL_TYPE PoolType, _In_ PGENERIC_MAPPING GenericMapping)
 
VOID NTAPI WmipDeleteMethod (_In_ PVOID Object)
 
VOID NTAPI WmipCloseMethod (_In_opt_ PEPROCESS Process, _In_ PVOID Object, _In_ ACCESS_MASK GrantedAccess, _In_ ULONG ProcessHandleCount, _In_ ULONG SystemHandleCount)
 
NTSTATUS NTAPI WmipInitializeGuidObjectType (VOID)
 
static NTSTATUS WmipGUIDFromString (_In_ PUNICODE_STRING GuidString, _Out_ PGUID Guid)
 
static NTSTATUS WmipCreateGuidObject (_In_ const GUID *Guid, _Out_ PWMIP_GUID_OBJECT *OutGuidObject)
 
NTSTATUS NTAPI WmipOpenGuidObject (_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)
 

Variables

POBJECT_TYPE WmipGuidObjectType
 
GENERIC_MAPPING WmipGenericMapping
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 15 of file guidobj.c.

Function Documentation

◆ WmipCloseMethod()

VOID NTAPI WmipCloseMethod ( _In_opt_ PEPROCESS  Process,
_In_ PVOID  Object,
_In_ ACCESS_MASK  GrantedAccess,
_In_ ULONG  ProcessHandleCount,
_In_ ULONG  SystemHandleCount 
)

Definition at line 101 of file guidobj.c.

107 {
108  /* For now nothing */
109 }

Referenced by WmipInitializeGuidObjectType().

◆ WmipCreateGuidObject()

static NTSTATUS WmipCreateGuidObject ( _In_ const GUID Guid,
_Out_ PWMIP_GUID_OBJECT OutGuidObject 
)
static

Definition at line 175 of file guidobj.c.

178 {
180  PWMIP_GUID_OBJECT GuidObject;
182 
183  /* Initialize object attributes for an unnamed object */
185  NULL,
186  0,
187  NULL,
188  NULL); // FIXME: security descriptor!
189 
190  /* Create the GUID object */
194  KernelMode,
195  NULL,
196  sizeof(WMIP_GUID_OBJECT),
197  0,
198  0,
199  (PVOID*)&GuidObject);
200  if (!NT_SUCCESS(Status))
201  {
202  DPRINT1("WMI: failed to create GUID object: 0x%lx\n", Status);
203  return Status;
204  }
205 
206  RtlZeroMemory(GuidObject, sizeof(*GuidObject));
208  GuidObject->Guid = *Guid;
209 
210  *OutGuidObject = GuidObject;
211 
212  return STATUS_SUCCESS;
213 }
IN PUNICODE_STRING IN POBJECT_ATTRIBUTES ObjectAttributes
Definition: conport.c:35
LONG NTSTATUS
Definition: precomp.h:26
static GUID * Guid
Definition: apphelp.c:93
smooth NULL
Definition: ftsmooth.c:416
NTSTATUS NTAPI ObCreateObject(IN KPROCESSOR_MODE ProbeMode OPTIONAL, IN POBJECT_TYPE Type, IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL, IN KPROCESSOR_MODE AccessMode, IN OUT PVOID ParseContext OPTIONAL, IN ULONG ObjectSize, IN ULONG PagedPoolCharge OPTIONAL, IN ULONG NonPagedPoolCharge OPTIONAL, OUT PVOID *Object)
Definition: oblife.c:952
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
KEVENT Event
Definition: wmip.h:15
Status
Definition: gdiplustypes.h:24
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
#define DPRINT1
Definition: precomp.h:8
POBJECT_TYPE WmipGuidObjectType
Definition: guidobj.c:21
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
#define InitializeObjectAttributes(p, n, a, r, s)
Definition: reg.c:106
return STATUS_SUCCESS
Definition: btrfs.c:3014

Referenced by WmipOpenGuidObject().

◆ WmipDeleteMethod()

VOID NTAPI WmipDeleteMethod ( _In_ PVOID  Object)

Definition at line 86 of file guidobj.c.

88 {
89  PWMIP_GUID_OBJECT GuidObject = Object;
90 
91  /* Check if the object is attached to an IRP */
92  if (GuidObject->Irp != NULL)
93  {
94  /* This is not supported yet */
95  ASSERT(FALSE);
96  }
97 }
smooth NULL
Definition: ftsmooth.c:416
static IUnknown Object
Definition: main.c:512
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)

Referenced by WmipInitializeGuidObjectType().

◆ WmipGUIDFromString()

static NTSTATUS WmipGUIDFromString ( _In_ PUNICODE_STRING  GuidString,
_Out_ PGUID  Guid 
)
static

Definition at line 149 of file guidobj.c.

152 {
155 
156  /* Validate string length */
157  if (GuidString->Length != GUID_STRING_LENGTH * sizeof(WCHAR))
158  {
160  }
161 
162  /* Copy the string and wrap it in {} */
163  RtlCopyMemory(&Buffer[1], GuidString->Buffer, GuidString->Length);
164  Buffer[0] = L'{';
165  Buffer[GUID_STRING_LENGTH + 1] = L'}';
166 
167  String.Buffer = Buffer;
168  String.Length = String.MaximumLength = sizeof(Buffer);
169 
170  return RtlGUIDFromString(&String, Guid);
171 }
static PWSTR GuidString
Definition: apphelp.c:91
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
#define GUID_STRING_LENGTH
Definition: wmip.h:6
static WCHAR String[]
Definition: stringtable.c:55
static GUID * Guid
Definition: apphelp.c:93
Definition: bufpool.h:45
__wchar_t WCHAR
Definition: xmlstorage.h:180
static const WCHAR L[]
Definition: oid.c:1250
NTSYSAPI NTSTATUS WINAPI RtlGUIDFromString(PUNICODE_STRING, GUID *)
IN BOOLEAN OUT PSTR Buffer
Definition: progress.h:34

Referenced by WmipOpenGuidObjectByName().

◆ WmipInitializeGuidObjectType()

NTSTATUS NTAPI WmipInitializeGuidObjectType ( VOID  )

Definition at line 113 of file guidobj.c.

115 {
116  static UNICODE_STRING GuidObjectName = RTL_CONSTANT_STRING(L"WmiGuid");
117  OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
119 
120  /* Setup the object type initializer */
121  RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
122  ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
123  ObjectTypeInitializer.InvalidAttributes = OBJ_OPENLINK;
124  ObjectTypeInitializer.GenericMapping = WmipGenericMapping;
125  ObjectTypeInitializer.PoolType = NonPagedPool;
126  ObjectTypeInitializer.MaintainHandleCount = FALSE;
127  ObjectTypeInitializer.ValidAccessMask = STANDARD_RIGHTS_ALL | 0xFFF;
128  ObjectTypeInitializer.SecurityRequired = TRUE;
129  ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(WMIP_GUID_OBJECT);
130  ObjectTypeInitializer.SecurityProcedure = WmipSecurityMethod;
131  ObjectTypeInitializer.DeleteProcedure = WmipDeleteMethod;
132  ObjectTypeInitializer.CloseProcedure = WmipCloseMethod;
133 
134  /* Create the object type */
135  Status = ObCreateObjectType(&GuidObjectName,
136  &ObjectTypeInitializer,
137  0,
139  if (!NT_SUCCESS(Status))
140  {
141  DPRINT1("ObCreateObjectType failed: 0x%lx\n", Status);
142  }
143 
144  return Status;
145 }
#define OBJ_OPENLINK
Definition: winternl.h:230
NTSTATUS NTAPI ObCreateObjectType(IN PUNICODE_STRING TypeName, IN POBJECT_TYPE_INITIALIZER ObjectTypeInitializer, IN PVOID Reserved, OUT POBJECT_TYPE *ObjectType)
Definition: oblife.c:1048
#define TRUE
Definition: types.h:120
LONG NTSTATUS
Definition: precomp.h:26
NTSTATUS NTAPI WmipSecurityMethod(_In_ PVOID Object, _In_ SECURITY_OPERATION_CODE OperationType, _In_ PSECURITY_INFORMATION SecurityInformation, _In_ PSECURITY_DESCRIPTOR SecurityDescriptor, _Inout_ PULONG CapturedLength, _Inout_ PSECURITY_DESCRIPTOR *ObjectSecurityDescriptor, _In_ POOL_TYPE PoolType, _In_ PGENERIC_MAPPING GenericMapping)
Definition: guidobj.c:35
BOOLEAN MaintainHandleCount
Definition: obtypes.h:361
struct _WMIP_GUID_OBJECT WMIP_GUID_OBJECT
OB_CLOSE_METHOD CloseProcedure
Definition: obtypes.h:368
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
VOID NTAPI WmipDeleteMethod(_In_ PVOID Object)
Definition: guidobj.c:86
VOID NTAPI WmipCloseMethod(_In_opt_ PEPROCESS Process, _In_ PVOID Object, _In_ ACCESS_MASK GrantedAccess, _In_ ULONG ProcessHandleCount, _In_ ULONG SystemHandleCount)
Definition: guidobj.c:101
static const WCHAR L[]
Definition: oid.c:1250
GENERIC_MAPPING WmipGenericMapping
Definition: guidobj.c:22
Status
Definition: gdiplustypes.h:24
GENERIC_MAPPING GenericMapping
Definition: obtypes.h:358
#define STANDARD_RIGHTS_ALL
Definition: nt_native.h:69
OB_SECURITY_METHOD SecurityProcedure
Definition: obtypes.h:371
#define DPRINT1
Definition: precomp.h:8
POBJECT_TYPE WmipGuidObjectType
Definition: guidobj.c:21
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
OB_DELETE_METHOD DeleteProcedure
Definition: obtypes.h:369
ULONG DefaultNonPagedPoolCharge
Definition: obtypes.h:365
#define RTL_CONSTANT_STRING(s)
Definition: tunneltest.c:14

Referenced by WmiInitialize().

◆ WmipOpenGuidObject()

NTSTATUS NTAPI WmipOpenGuidObject ( _In_ LPCGUID  Guid,
_In_ ACCESS_MASK  DesiredAccess,
_In_ KPROCESSOR_MODE  AccessMode,
_Out_ PHANDLE  OutGuidObjectHandle,
_Outptr_ PVOID OutGuidObject 
)

Definition at line 217 of file guidobj.c.

223 {
224  PWMIP_GUID_OBJECT GuidObject;
227 
228  /* Create the GUID object */
229  Status = WmipCreateGuidObject(Guid, &GuidObject);
230  if (!NT_SUCCESS(Status))
231  {
232  DPRINT1("Failed to create GUID object: 0x%lx\n", Status);
233  *OutGuidObject = NULL;
234  return Status;
235  }
236 
237  /* Set handle attributes */
239 
240  /* Get a handle for the object */
241  Status = ObOpenObjectByPointer(GuidObject,
243  0,
246  AccessMode,
247  OutGuidObjectHandle);
248  if (!NT_SUCCESS(Status))
249  {
250  DPRINT1("ObOpenObjectByPointer failed: 0x%lx\n", Status);
251  ObDereferenceObject(GuidObject);
252  GuidObject = NULL;
253  }
254 
255  *OutGuidObject = GuidObject;
256 
257  return Status;
258 }
_In_ HANDLE _In_opt_ HANDLE _Out_opt_ PHANDLE _In_ ACCESS_MASK _In_ ULONG HandleAttributes
Definition: obfuncs.h:429
static NTSTATUS WmipCreateGuidObject(_In_ const GUID *Guid, _Out_ PWMIP_GUID_OBJECT *OutGuidObject)
Definition: guidobj.c:175
LONG NTSTATUS
Definition: precomp.h:26
VOID NTAPI ObDereferenceObject(IN PVOID Object)
Definition: obref.c:375
NTSTATUS NTAPI ObOpenObjectByPointer(IN PVOID Object, IN ULONG HandleAttributes, IN PACCESS_STATE PassedAccessState, IN ACCESS_MASK DesiredAccess, IN POBJECT_TYPE ObjectType, IN KPROCESSOR_MODE AccessMode, OUT PHANDLE Handle)
Definition: obhandle.c:2739
#define OBJ_KERNEL_HANDLE
Definition: winternl.h:231
_In_ PEPROCESS _In_ KPROCESSOR_MODE AccessMode
Definition: mmfuncs.h:396
static GUID * Guid
Definition: apphelp.c:93
smooth NULL
Definition: ftsmooth.c:416
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
Status
Definition: gdiplustypes.h:24
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK DesiredAccess
Definition: create.c:4157
#define DPRINT1
Definition: precomp.h:8
POBJECT_TYPE WmipGuidObjectType
Definition: guidobj.c:21
unsigned int ULONG
Definition: retypes.h:1

Referenced by IoWMIOpenBlock(), and WmipOpenGuidObjectByName().

◆ WmipOpenGuidObjectByName()

NTSTATUS NTAPI WmipOpenGuidObjectByName ( _In_ POBJECT_ATTRIBUTES  ObjectAttributes,
_In_ ACCESS_MASK  DesiredAccess,
_In_ KPROCESSOR_MODE  AccessMode,
_Out_ PHANDLE  OutGuidObjectHandle,
_Outptr_ PVOID OutGuidObject 
)

Definition at line 262 of file guidobj.c.

268 {
269  static UNICODE_STRING Prefix = RTL_CONSTANT_STRING(L"\\WmiGuid\\");
272  GUID Guid;
273  PAGED_CODE();
274 
275  /* Check if we have the expected prefix */
277  {
278  DPRINT1("WMI: Invalid prefix for guid object '%wZ'\n",
279  ObjectAttributes->ObjectName);
281  }
282 
283  /* Extract the GUID string */
284  GuidString = *ObjectAttributes->ObjectName;
285  GuidString.Buffer += Prefix.Length / sizeof(WCHAR);
286  GuidString.Length -= Prefix.Length;
287 
288  /* Convert the string into a GUID structure */
290  if (!NT_SUCCESS(Status))
291  {
292  DPRINT1("WMI: Invalid uuid format for guid '%wZ'\n", &GuidString);
293  return Status;
294  }
295 
296  return WmipOpenGuidObject(&Guid,
298  AccessMode,
299  OutGuidObjectHandle,
300  OutGuidObject);
301 }
IN PUNICODE_STRING IN POBJECT_ATTRIBUTES ObjectAttributes
Definition: conport.c:35
static PWSTR GuidString
Definition: apphelp.c:91
_In_ __drv_aliasesMem PSTRING Prefix
Definition: rtlfuncs.h:1631
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
LONG NTSTATUS
Definition: precomp.h:26
unsigned short Length
Definition: sprintf.c:451
_In_ PEPROCESS _In_ KPROCESSOR_MODE AccessMode
Definition: mmfuncs.h:396
static GUID * Guid
Definition: apphelp.c:93
__wchar_t WCHAR
Definition: xmlstorage.h:180
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
static NTSTATUS WmipGUIDFromString(_In_ PUNICODE_STRING GuidString, _Out_ PGUID Guid)
Definition: guidobj.c:149
static const WCHAR L[]
Definition: oid.c:1250
Status
Definition: gdiplustypes.h:24
_In_ PIO_STACK_LOCATION _Inout_ PFILE_OBJECT _Inout_ PVCB _Outptr_result_maybenull_ PDCB _In_ PDCB _In_ PDIRENT _In_ ULONG _In_ ULONG _In_ PUNICODE_STRING _In_ PACCESS_MASK DesiredAccess
Definition: create.c:4157
NTSYSAPI BOOLEAN NTAPI RtlPrefixUnicodeString(IN PUNICODE_STRING String1, IN PUNICODE_STRING String2, IN BOOLEAN CaseInSensitive)
#define DPRINT1
Definition: precomp.h:8
NTSTATUS NTAPI WmipOpenGuidObject(_In_ LPCGUID Guid, _In_ ACCESS_MASK DesiredAccess, _In_ KPROCESSOR_MODE AccessMode, _Out_ PHANDLE OutGuidObjectHandle, _Outptr_ PVOID *OutGuidObject)
Definition: guidobj.c:217
#define PAGED_CODE()
#define RTL_CONSTANT_STRING(s)
Definition: tunneltest.c:14

Referenced by WmipOpenGuidForEvents(), and WmipRegisterGuids().

◆ WmipSecurityMethod()

NTSTATUS NTAPI WmipSecurityMethod ( _In_ PVOID  Object,
_In_ SECURITY_OPERATION_CODE  OperationType,
_In_ PSECURITY_INFORMATION  SecurityInformation,
_In_ PSECURITY_DESCRIPTOR  SecurityDescriptor,
_Inout_ PULONG  CapturedLength,
_Inout_ PSECURITY_DESCRIPTOR ObjectSecurityDescriptor,
_In_ POOL_TYPE  PoolType,
_In_ PGENERIC_MAPPING  GenericMapping 
)

Definition at line 35 of file guidobj.c.

44 {
45  PAGED_CODE();
46 
48  ASSERT((OperationType == QuerySecurityDescriptor) ||
49  (OperationType == SetSecurityDescriptor) ||
50  (OperationType == AssignSecurityDescriptor) ||
51  (OperationType == DeleteSecurityDescriptor));
52 
53  if (OperationType == QuerySecurityDescriptor)
54  {
58  CapturedLength,
59  ObjectSecurityDescriptor);
60  }
61  else if (OperationType == SetSecurityDescriptor)
62  {
66  ObjectSecurityDescriptor,
67  PoolType,
69  }
70  else if (OperationType == AssignSecurityDescriptor)
71  {
73  return STATUS_SUCCESS;
74  }
75  else if (OperationType == DeleteSecurityDescriptor)
76  {
77  return ObDeassignSecurity(ObjectSecurityDescriptor);
78  }
79 
80  ASSERT(FALSE);
82 }
_In_ USHORT _In_ ULONG _In_ PSOCKADDR _In_ PSOCKADDR _Reserved_ ULONG _In_opt_ PVOID _In_opt_ const WSK_CLIENT_CONNECTION_DISPATCH _In_opt_ PEPROCESS _In_opt_ PETHREAD _In_opt_ PSECURITY_DESCRIPTOR SecurityDescriptor
Definition: wsk.h:182
#define STATUS_INVALID_PARAMETER
Definition: udferr_usr.h:135
NTSTATUS NTAPI ObSetSecurityDescriptorInfo(IN PVOID Object, IN PSECURITY_INFORMATION SecurityInformation, IN OUT PSECURITY_DESCRIPTOR SecurityDescriptor, IN OUT PSECURITY_DESCRIPTOR *OutputSecurityDescriptor, IN POOL_TYPE PoolType, IN PGENERIC_MAPPING GenericMapping)
Definition: obsecure.c:117
_Must_inspect_result_ _In_ PFILE_OBJECT _In_ SECURITY_INFORMATION SecurityInformation
Definition: fltkernel.h:1339
static IUnknown Object
Definition: main.c:512
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
NTSTATUS NTAPI ObQuerySecurityDescriptorInfo(IN PVOID Object, IN PSECURITY_INFORMATION SecurityInformation, OUT PSECURITY_DESCRIPTOR SecurityDescriptor, IN OUT PULONG Length, IN PSECURITY_DESCRIPTOR *OutputSecurityDescriptor)
Definition: obsecure.c:85
NTSTATUS NTAPI ObDeassignSecurity(IN OUT PSECURITY_DESCRIPTOR *SecurityDescriptor)
Definition: obsecure.c:60
static GENERIC_MAPPING GenericMapping
Definition: SeInheritance.c:11
NTSTATUS NTAPI ObAssignObjectSecurityDescriptor(IN PVOID Object, IN PSECURITY_DESCRIPTOR SecurityDescriptor OPTIONAL, IN POOL_TYPE PoolType)
Definition: obsecure.c:20
return STATUS_SUCCESS
Definition: btrfs.c:3014
_Must_inspect_result_ _In_ FLT_CONTEXT_TYPE _In_ SIZE_T _In_ POOL_TYPE PoolType
Definition: fltkernel.h:1444
#define PAGED_CODE()

Referenced by WmipInitializeGuidObjectType().

Variable Documentation

◆ WmipGenericMapping

GENERIC_MAPPING WmipGenericMapping
Initial value:
=
{
}
#define WMIGUID_SET
Definition: wmistr.h:160
#define WMIGUID_EXECUTE
Definition: wmistr.h:163
#define WMIGUID_QUERY
Definition: wmistr.h:159
#define WMIGUID_ALL_ACCESS
Definition: wmistr.h:173

Definition at line 22 of file guidobj.c.

Referenced by WmipInitializeGuidObjectType().

◆ WmipGuidObjectType

POBJECT_TYPE WmipGuidObjectType