POBJECT_TYPE ObTypeObjectType = NULL;
PDIRECTORY_OBJECT NameSpaceRoot = NULL;
+PDIRECTORY_OBJECT ObpTypeDirectoryObject = NULL;
/* FIXME: Move this somewhere else once devicemap support is in */
PDEVICE_MAP ObSystemDeviceMap = NULL;
+
static GENERIC_MAPPING ObpDirectoryMapping = {
STANDARD_RIGHTS_READ|DIRECTORY_QUERY|DIRECTORY_TRAVERSE,
STANDARD_RIGHTS_WRITE|DIRECTORY_CREATE_OBJECT|DIRECTORY_CREATE_SUBDIRECTORY,
STANDARD_RIGHTS_EXECUTE,
0x000F0001};
+NTSTATUS
+STDCALL
+ObpAllocateObject(POBJECT_CREATE_INFORMATION ObjectCreateInfo,
+ PUNICODE_STRING ObjectName,
+ POBJECT_TYPE ObjectType,
+ ULONG ObjectSize,
+ POBJECT_HEADER *ObjectHeader);
+
/* FUNCTIONS **************************************************************/
/*
{
PVOID Object = NULL;
UNICODE_STRING RemainingPath;
+ UNICODE_STRING ObjectName;
OBJECT_ATTRIBUTES ObjectAttributes;
+ OBJECT_CREATE_INFORMATION ObjectCreateInfo;
NTSTATUS Status;
PAGED_CODE();
Attributes | OBJ_OPENIF,
NULL,
NULL);
- Status = ObFindObject(&ObjectAttributes,
+
+ /* Capture all the info */
+ DPRINT("Capturing Create Info\n");
+ Status = ObpCaptureObjectAttributes(&ObjectAttributes,
+ AccessMode,
+ ObjectType,
+ &ObjectCreateInfo,
+ &ObjectName);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("ObpCaptureObjectAttributes() failed (Status %lx)\n", Status);
+ return Status;
+ }
+
+ Status = ObFindObject(&ObjectCreateInfo,
+ &ObjectName,
&Object,
&RemainingPath,
ObjectType);
+
+ ObpReleaseCapturedAttributes(&ObjectCreateInfo);
+ if (ObjectName.Buffer) ExFreePool(ObjectName.Buffer);
+
if (!NT_SUCCESS(Status))
{
return(Status);
}
-CHECKPOINT;
-DPRINT("RemainingPath.Buffer '%S' Object %p\n", RemainingPath.Buffer, Object);
+ DPRINT("RemainingPath.Buffer '%S' Object %p\n", RemainingPath.Buffer, Object);
if (RemainingPath.Buffer != NULL || Object == NULL)
{
-CHECKPOINT;
-DPRINT("Object %p\n", Object);
+ DPRINT("Object %p\n", Object);
*ObjectPtr = NULL;
RtlFreeUnicodeString (&RemainingPath);
return(STATUS_OBJECT_NAME_NOT_FOUND);
{
UNICODE_STRING RemainingPath;
PVOID Object = NULL;
+ UNICODE_STRING ObjectName;
+ OBJECT_CREATE_INFORMATION ObjectCreateInfo;
NTSTATUS Status;
PAGED_CODE();
DPRINT("ObOpenObjectByName(...)\n");
- Status = ObFindObject(ObjectAttributes,
+ /* Capture all the info */
+ DPRINT("Capturing Create Info\n");
+ Status = ObpCaptureObjectAttributes(ObjectAttributes,
+ AccessMode,
+ ObjectType,
+ &ObjectCreateInfo,
+ &ObjectName);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("ObpCaptureObjectAttributes() failed (Status %lx)\n", Status);
+ return Status;
+ }
+
+ Status = ObFindObject(&ObjectCreateInfo,
+ &ObjectName,
&Object,
&RemainingPath,
ObjectType);
+ ObpReleaseCapturedAttributes(&ObjectCreateInfo);
+ if (ObjectName.Buffer) ExFreePool(ObjectName.Buffer);
if (!NT_SUCCESS(Status))
{
DPRINT("ObFindObject() failed (Status %lx)\n", Status);
return Status;
}
+ DPRINT("OBject: %x, Remaining Path: %wZ\n", Object, &RemainingPath);
if (Object == NULL)
{
RtlFreeUnicodeString(&RemainingPath);
ObDereferenceObject(Object);
return Status;
}
-
- Status = ObCreateHandle(PsGetCurrentProcess(),
+
+ Status = ObpCreateHandle(PsGetCurrentProcess(),
Object,
DesiredAccess,
FALSE,
{
KIRQL oldlvl;
- RtlpCreateUnicodeString(&Header->Name, Name, NonPagedPool);
- Header->Parent = Parent;
+ Header->NameInfo->Directory = Parent;
KeAcquireSpinLock(&Parent->Lock, &oldlvl);
InsertTailList(&Parent->head, &Header->Entry);
DPRINT("ObpRemoveEntryDirectory(Header %x)\n",Header);
- KeAcquireSpinLock(&(Header->Parent->Lock),&oldlvl);
+ KeAcquireSpinLock(&(Header->NameInfo->Directory->Lock),&oldlvl);
if (Header->Entry.Flink && Header->Entry.Blink)
{
RemoveEntryList(&(Header->Entry));
Header->Entry.Flink = Header->Entry.Blink = NULL;
}
- KeReleaseSpinLock(&(Header->Parent->Lock),oldlvl);
+ KeReleaseSpinLock(&(Header->NameInfo->Directory->Lock),oldlvl);
}
+NTSTATUS
+STDCALL
+ObpCreateDirectory(OB_OPEN_REASON Reason,
+ PVOID ObjectBody,
+ PEPROCESS Process,
+ ULONG HandleCount,
+ ACCESS_MASK GrantedAccess)
+{
+ PDIRECTORY_OBJECT Directory = ObjectBody;
+
+ if (Reason == ObCreateHandle)
+ {
+ InitializeListHead(&Directory->head);
+ KeInitializeSpinLock(&Directory->Lock);
+ }
+
+ return STATUS_SUCCESS;
+}
PVOID
ObpFindEntryDirectory(PDIRECTORY_OBJECT DirectoryObject,
}
if (Name[0]=='.' && Name[1]=='.' && Name[2]==0)
{
- return(BODY_TO_HEADER(DirectoryObject)->Parent);
+ return(BODY_TO_HEADER(DirectoryObject)->NameInfo->Directory);
}
while (current!=(&(DirectoryObject->head)))
{
current_obj = CONTAINING_RECORD(current,OBJECT_HEADER,Entry);
- DPRINT(" Scanning: %S for: %S\n",current_obj->Name.Buffer, Name);
+ DPRINT(" Scanning: %S for: %S\n",current_obj->NameInfo->Name.Buffer, Name);
if (Attributes & OBJ_CASE_INSENSITIVE)
{
- if (_wcsicmp(current_obj->Name.Buffer, Name)==0)
+ if (_wcsicmp(current_obj->NameInfo->Name.Buffer, Name)==0)
{
DPRINT("Found it %x\n",HEADER_TO_BODY(current_obj));
return(HEADER_TO_BODY(current_obj));
}
else
{
- if ( wcscmp(current_obj->Name.Buffer, Name)==0)
+ if ( wcscmp(current_obj->NameInfo->Name.Buffer, Name)==0)
{
DPRINT("Found it %x\n",HEADER_TO_BODY(current_obj));
return(HEADER_TO_BODY(current_obj));
return STATUS_SUCCESS;
}
-
-NTSTATUS STDCALL
-ObpCreateDirectory(PVOID ObjectBody,
- PVOID Parent,
- PWSTR RemainingPath,
- POBJECT_ATTRIBUTES ObjectAttributes)
-{
- PDIRECTORY_OBJECT DirectoryObject = (PDIRECTORY_OBJECT)ObjectBody;
-
- DPRINT("ObpCreateDirectory(ObjectBody %x, Parent %x, RemainingPath %S)\n",
- ObjectBody, Parent, RemainingPath);
-
- if (RemainingPath != NULL && wcschr(RemainingPath+1, '\\') != NULL)
- {
- return(STATUS_UNSUCCESSFUL);
- }
-
- InitializeListHead(&DirectoryObject->head);
- KeInitializeSpinLock(&DirectoryObject->Lock);
-
- return(STATUS_SUCCESS);
-}
-
-
-VOID INIT_FUNCTION
+VOID
+INIT_FUNCTION
ObInit(VOID)
-/*
- * FUNCTION: Initialize the object manager namespace
- */
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- UNICODE_STRING Name;
- SECURITY_DESCRIPTOR SecurityDescriptor;
-
- /* Initialize the security descriptor cache */
- ObpInitSdCache();
-
- /* create 'directory' object type */
- ObDirectoryType = ExAllocatePool(NonPagedPool,sizeof(OBJECT_TYPE));
-
- ObDirectoryType->Tag = TAG('D', 'I', 'R', 'T');
- ObDirectoryType->TotalObjects = 0;
- ObDirectoryType->TotalHandles = 0;
- ObDirectoryType->PeakObjects = 0;
- ObDirectoryType->PeakHandles = 0;
- ObDirectoryType->PagedPoolCharge = 0;
- ObDirectoryType->NonpagedPoolCharge = sizeof(DIRECTORY_OBJECT);
- ObDirectoryType->Mapping = &ObpDirectoryMapping;
- ObDirectoryType->Dump = NULL;
- ObDirectoryType->Open = NULL;
- ObDirectoryType->Close = NULL;
- ObDirectoryType->Delete = NULL;
- ObDirectoryType->Parse = ObpParseDirectory;
- ObDirectoryType->Security = NULL;
- ObDirectoryType->QueryName = NULL;
- ObDirectoryType->OkayToClose = NULL;
- ObDirectoryType->Create = ObpCreateDirectory;
- ObDirectoryType->DuplicationNotify = NULL;
-
- RtlInitUnicodeString(&ObDirectoryType->TypeName,
- L"Directory");
-
- /* create 'type' object type*/
- ObTypeObjectType = ExAllocatePool(NonPagedPool,sizeof(OBJECT_TYPE));
-
- ObTypeObjectType->Tag = TAG('T', 'y', 'p', 'T');
- ObTypeObjectType->TotalObjects = 0;
- ObTypeObjectType->TotalHandles = 0;
- ObTypeObjectType->PeakObjects = 0;
- ObTypeObjectType->PeakHandles = 0;
- ObTypeObjectType->PagedPoolCharge = 0;
- ObTypeObjectType->NonpagedPoolCharge = sizeof(TYPE_OBJECT);
- ObTypeObjectType->Mapping = &ObpTypeMapping;
- ObTypeObjectType->Dump = NULL;
- ObTypeObjectType->Open = NULL;
- ObTypeObjectType->Close = NULL;
- ObTypeObjectType->Delete = NULL;
- ObTypeObjectType->Parse = NULL;
- ObTypeObjectType->Security = NULL;
- ObTypeObjectType->QueryName = NULL;
- ObTypeObjectType->OkayToClose = NULL;
- ObTypeObjectType->Create = NULL;
- ObTypeObjectType->DuplicationNotify = NULL;
-
- RtlInitUnicodeString(&ObTypeObjectType->TypeName,
- L"ObjectType");
-
- /* Create security descriptor */
- RtlCreateSecurityDescriptor(&SecurityDescriptor,
- SECURITY_DESCRIPTOR_REVISION1);
-
- RtlSetOwnerSecurityDescriptor(&SecurityDescriptor,
- SeAliasAdminsSid,
- FALSE);
-
- RtlSetGroupSecurityDescriptor(&SecurityDescriptor,
- SeLocalSystemSid,
- FALSE);
-
- RtlSetDaclSecurityDescriptor(&SecurityDescriptor,
- TRUE,
- SePublicDefaultDacl,
- FALSE);
-
- /* Create root directory */
- InitializeObjectAttributes(&ObjectAttributes,
- NULL,
- OBJ_PERMANENT,
- NULL,
- &SecurityDescriptor);
- ObCreateObject(KernelMode,
- ObDirectoryType,
- &ObjectAttributes,
- KernelMode,
- NULL,
- sizeof(DIRECTORY_OBJECT),
- 0,
- 0,
- (PVOID*)&NameSpaceRoot);
-
- /* Create '\ObjectTypes' directory */
- RtlRosInitUnicodeStringFromLiteral(&Name,
- L"\\ObjectTypes");
- InitializeObjectAttributes(&ObjectAttributes,
- &Name,
- OBJ_PERMANENT,
- NULL,
- &SecurityDescriptor);
- ObCreateObject(KernelMode,
- ObDirectoryType,
- &ObjectAttributes,
- KernelMode,
- NULL,
- sizeof(DIRECTORY_OBJECT),
- 0,
- 0,
- NULL);
-
- ObpCreateTypeObject(ObDirectoryType);
- ObpCreateTypeObject(ObTypeObjectType);
-
- /* Create 'symbolic link' object type */
- ObInitSymbolicLinkImplementation();
-
- /* FIXME: Hack Hack! */
- ObSystemDeviceMap = ExAllocatePoolWithTag(NonPagedPool, sizeof(*ObSystemDeviceMap), TAG('O', 'b', 'D', 'm'));
- RtlZeroMemory(ObSystemDeviceMap, sizeof(*ObSystemDeviceMap));
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING Name;
+ SECURITY_DESCRIPTOR SecurityDescriptor;
+ OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
+
+ /* Initialize the security descriptor cache */
+ ObpInitSdCache();
+
+ /* Create the Type Type */
+ DPRINT("Creating Type Type\n");
+ RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
+ RtlInitUnicodeString(&Name, L"Type");
+ ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
+ ObjectTypeInitializer.ValidAccessMask = OBJECT_TYPE_ALL_ACCESS;
+ ObjectTypeInitializer.UseDefaultObject = TRUE;
+ ObjectTypeInitializer.MaintainTypeList = TRUE;
+ ObjectTypeInitializer.PoolType = NonPagedPool;
+ ObjectTypeInitializer.GenericMapping = ObpTypeMapping;
+ ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(OBJECT_TYPE);
+ ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &ObTypeObjectType);
+
+ /* Create the Directory Type */
+ DPRINT("Creating Directory Type\n");
+ RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
+ RtlInitUnicodeString(&Name, L"Directory");
+ ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
+ ObjectTypeInitializer.ValidAccessMask = DIRECTORY_ALL_ACCESS;
+ ObjectTypeInitializer.UseDefaultObject = FALSE;
+ ObjectTypeInitializer.OpenProcedure = ObpCreateDirectory;
+ ObjectTypeInitializer.ParseProcedure = ObpParseDirectory;
+ ObjectTypeInitializer.MaintainTypeList = FALSE;
+ ObjectTypeInitializer.GenericMapping = ObpDirectoryMapping;
+ ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(DIRECTORY_OBJECT);
+ ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &ObDirectoryType);
+
+ /* Create security descriptor */
+ RtlCreateSecurityDescriptor(&SecurityDescriptor,
+ SECURITY_DESCRIPTOR_REVISION1);
+ RtlSetOwnerSecurityDescriptor(&SecurityDescriptor,
+ SeAliasAdminsSid,
+ FALSE);
+ RtlSetGroupSecurityDescriptor(&SecurityDescriptor,
+ SeLocalSystemSid,
+ FALSE);
+ RtlSetDaclSecurityDescriptor(&SecurityDescriptor,
+ TRUE,
+ SePublicDefaultDacl,
+ FALSE);
+
+ /* Create root directory */
+ DPRINT("Creating Root Directory\n");
+ InitializeObjectAttributes(&ObjectAttributes,
+ NULL,
+ OBJ_PERMANENT,
+ NULL,
+ &SecurityDescriptor);
+ ObCreateObject(KernelMode,
+ ObDirectoryType,
+ &ObjectAttributes,
+ KernelMode,
+ NULL,
+ sizeof(DIRECTORY_OBJECT),
+ 0,
+ 0,
+ (PVOID*)&NameSpaceRoot);
+ ObInsertObject((PVOID)NameSpaceRoot,
+ NULL,
+ DIRECTORY_ALL_ACCESS,
+ 0,
+ NULL,
+ NULL);
+
+ /* Create '\ObjectTypes' directory */
+ RtlInitUnicodeString(&Name, L"\\ObjectTypes");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &Name,
+ OBJ_PERMANENT,
+ NULL,
+ &SecurityDescriptor);
+ ObCreateObject(KernelMode,
+ ObDirectoryType,
+ &ObjectAttributes,
+ KernelMode,
+ NULL,
+ sizeof(DIRECTORY_OBJECT),
+ 0,
+ 0,
+ (PVOID*)&ObpTypeDirectoryObject);
+ ObInsertObject((PVOID)ObpTypeDirectoryObject,
+ NULL,
+ DIRECTORY_ALL_ACCESS,
+ 0,
+ NULL,
+ NULL);
+
+ /* Insert the two objects we already created but couldn't add */
+ /* NOTE: Uses TypeList & Creator Info in OB 2.0 */
+ ObpAddEntryDirectory(ObpTypeDirectoryObject, BODY_TO_HEADER(ObTypeObjectType), NULL);
+ ObpAddEntryDirectory(ObpTypeDirectoryObject, BODY_TO_HEADER(ObDirectoryType), NULL);
+
+ /* Create 'symbolic link' object type */
+ ObInitSymbolicLinkImplementation();
+
+ /* FIXME: Hack Hack! */
+ ObSystemDeviceMap = ExAllocatePoolWithTag(NonPagedPool, sizeof(*ObSystemDeviceMap), TAG('O', 'b', 'D', 'm'));
+ RtlZeroMemory(ObSystemDeviceMap, sizeof(*ObSystemDeviceMap));
}
-
NTSTATUS
-ObpCreateTypeObject(POBJECT_TYPE ObjectType)
+STDCALL
+ObpCreateTypeObject(POBJECT_TYPE_INITIALIZER ObjectTypeInitializer,
+ PUNICODE_STRING TypeName,
+ POBJECT_TYPE *ObjectType)
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- WCHAR NameString[120];
- PTYPE_OBJECT TypeObject = NULL;
- UNICODE_STRING Name;
- NTSTATUS Status;
-
- DPRINT("ObpCreateTypeObject(ObjectType: %wZ)\n", &ObjectType->TypeName);
- wcscpy(NameString, L"\\ObjectTypes\\");
- wcscat(NameString, ObjectType->TypeName.Buffer);
- RtlInitUnicodeString(&Name,
- NameString);
-
- InitializeObjectAttributes(&ObjectAttributes,
- &Name,
- OBJ_PERMANENT,
- NULL,
- NULL);
- Status = ObCreateObject(KernelMode,
- ObTypeObjectType,
- &ObjectAttributes,
- KernelMode,
- NULL,
- sizeof(TYPE_OBJECT),
- 0,
- 0,
- (PVOID*)&TypeObject);
- if (NT_SUCCESS(Status))
+ POBJECT_HEADER Header;
+ POBJECT_TYPE LocalObjectType;
+ NTSTATUS Status;
+
+ DPRINT("ObpCreateTypeObject(ObjectType: %wZ)\n", TypeName);
+
+ /* Allocate the Object */
+ Status = ObpAllocateObject(NULL,
+ TypeName,
+ ObTypeObjectType,
+ OBJECT_ALLOC_SIZE(sizeof(OBJECT_TYPE)),
+ &Header);
+ if (!NT_SUCCESS(Status))
{
- TypeObject->ObjectType = ObjectType;
+ DPRINT1("ObpAllocateObject failed!\n");
+ return Status;
}
-
- return(STATUS_SUCCESS);
-}
+
+ LocalObjectType = HEADER_TO_BODY(Header);
+
+ /* Check if this is the first Object Type */
+ if (!ObTypeObjectType)
+ {
+ ObTypeObjectType = LocalObjectType;
+ Header->ObjectType = ObTypeObjectType;
+ }
+
+ /* FIXME: Generate Tag */
+
+ /* Set it up */
+ LocalObjectType->TypeInfo = *ObjectTypeInitializer;
+ LocalObjectType->Name = *TypeName;
+
+ /* Insert it into the Object Directory */
+ if (ObpTypeDirectoryObject)
+ {
+ ObpAddEntryDirectory(ObpTypeDirectoryObject, Header, TypeName->Buffer);
+ ObReferenceObject(ObpTypeDirectoryObject);
+ }
+
+ *ObjectType = LocalObjectType;
+ return Status;
+}
/* EOF */
projects / reactos.git / blobdiff