-/* $Id: namespc.c,v 1.32 2002/08/20 20:37:14 hyperion Exp $
+/* $Id$
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ob/namespc.c
* PURPOSE: Manages the system namespace
- * PROGRAMMER: David Welch (welch@mcmail.com)
- * UPDATE HISTORY:
- * 22/05/98: Created
+ *
+ * PROGRAMMERS: David Welch (welch@mcmail.com)
*/
/* INCLUDES ***************************************************************/
-#include <limits.h>
-#include <ddk/ntddk.h>
-#include <internal/ob.h>
-#include <internal/io.h>
-#include <internal/pool.h>
-
+#include <ntoskrnl.h>
#define NDEBUG
#include <internal/debug.h>
+
/* GLOBALS ****************************************************************/
POBJECT_TYPE ObDirectoryType = NULL;
POBJECT_TYPE ObTypeObjectType = NULL;
PDIRECTORY_OBJECT NameSpaceRoot = 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,
/* FUNCTIONS **************************************************************/
+/*
+ * @implemented
+ */
NTSTATUS STDCALL
ObReferenceObjectByName(PUNICODE_STRING ObjectPath,
ULONG Attributes,
UNICODE_STRING RemainingPath;
OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
+
+ PAGED_CODE();
InitializeObjectAttributes(&ObjectAttributes,
ObjectPath,
- Attributes,
+ Attributes | OBJ_OPENIF,
NULL,
NULL);
Status = ObFindObject(&ObjectAttributes,
DPRINT("Object %p\n", Object);
*ObjectPtr = NULL;
RtlFreeUnicodeString (&RemainingPath);
- return(STATUS_UNSUCCESSFUL);
+ return(STATUS_OBJECT_NAME_NOT_FOUND);
}
*ObjectPtr = Object;
RtlFreeUnicodeString (&RemainingPath);
*
* RETURN VALUE
* Status.
+ *
+ * @implemented
*/
NTSTATUS STDCALL
ObOpenObjectByName(IN POBJECT_ATTRIBUTES ObjectAttributes,
UNICODE_STRING RemainingPath;
PVOID Object = NULL;
NTSTATUS Status;
+
+ PAGED_CODE();
- DPRINT("ObOpenObjectByName()\n");
+ DPRINT("ObOpenObjectByName(...)\n");
Status = ObFindObject(ObjectAttributes,
&Object,
ObjectType);
if (!NT_SUCCESS(Status))
{
+ DPRINT("ObFindObject() failed (Status %lx)\n", Status);
return Status;
}
return Status;
}
-
+VOID
+STDCALL
+ObQueryDeviceMapInformation(PEPROCESS Process,
+ PPROCESS_DEVICEMAP_INFORMATION DeviceMapInfo)
+{
+ //KIRQL OldIrql ;
+
+ /*
+ * FIXME: This is an ugly hack for now, to always return the System Device Map
+ * instead of returning the Process Device Map. Not important yet since we don't use it
+ */
+
+ /* FIXME: Acquire the DeviceMap Spinlock */
+ // KeAcquireSpinLock(DeviceMap->Lock, &OldIrql);
+
+ /* Make a copy */
+ DeviceMapInfo->Query.DriveMap = ObSystemDeviceMap->DriveMap;
+ RtlMoveMemory(DeviceMapInfo->Query.DriveType, ObSystemDeviceMap->DriveType, sizeof(ObSystemDeviceMap->DriveType));
+
+ /* FIXME: Release the DeviceMap Spinlock */
+ // KeReleasepinLock(DeviceMap->Lock, OldIrql);
+}
+
VOID
ObpAddEntryDirectory(PDIRECTORY_OBJECT Parent,
POBJECT_HEADER Header,
{
KIRQL oldlvl;
- RtlCreateUnicodeString(&Header->Name, Name);
+ RtlpCreateUnicodeString(&Header->Name, Name, NonPagedPool);
Header->Parent = Parent;
KeAcquireSpinLock(&Parent->Lock, &oldlvl);
KeReleaseSpinLock(&Parent->Lock, oldlvl);
}
+
VOID
ObpRemoveEntryDirectory(POBJECT_HEADER Header)
/*
KeReleaseSpinLock(&(Header->Parent->Lock),oldlvl);
}
+
PVOID
ObpFindEntryDirectory(PDIRECTORY_OBJECT DirectoryObject,
PWSTR Name,
while (current!=(&(DirectoryObject->head)))
{
current_obj = CONTAINING_RECORD(current,OBJECT_HEADER,Entry);
- DPRINT("Scanning %S %S\n",current_obj->Name.Buffer, Name);
+ DPRINT(" Scanning: %S for: %S\n",current_obj->Name.Buffer, Name);
if (Attributes & OBJ_CASE_INSENSITIVE)
{
if (_wcsicmp(current_obj->Name.Buffer, Name)==0)
}
current = current->Flink;
}
- DPRINT("%s() = NULL\n",__FUNCTION__);
+ DPRINT(" Not Found: %s() = NULL\n",__FUNCTION__);
return(NULL);
}
+
NTSTATUS STDCALL
ObpParseDirectory(PVOID Object,
PVOID * NextObject,
PWSTR * Path,
ULONG Attributes)
{
- PWSTR end;
- PVOID FoundObject;
-
- DPRINT("ObpParseDirectory(Object %x, Path %x, *Path %S)\n",
- Object,Path,*Path);
-
- *NextObject = NULL;
-
- if ((*Path) == NULL)
- {
- return STATUS_UNSUCCESSFUL;
- }
-
- end = wcschr((*Path)+1, '\\');
- if (end != NULL)
- {
- *end = 0;
- }
-
- FoundObject = ObpFindEntryDirectory(Object, (*Path)+1, Attributes);
-
- if (FoundObject == NULL)
- {
- if (end != NULL)
- {
- *end = '\\';
- }
- return STATUS_UNSUCCESSFUL;
- }
-
- ObReferenceObjectByPointer(FoundObject,
- STANDARD_RIGHTS_REQUIRED,
- NULL,
- UserMode);
-
- if (end != NULL)
- {
- *end = '\\';
- *Path = end;
- }
- else
- {
- *Path = NULL;
- }
-
- *NextObject = FoundObject;
-
- return STATUS_SUCCESS;
+ PWSTR Start;
+ PWSTR End;
+ PVOID FoundObject;
+
+ DPRINT("ObpParseDirectory(Object %x, Path %x, *Path %S)\n",
+ Object,Path,*Path);
+
+ *NextObject = NULL;
+
+ if ((*Path) == NULL)
+ {
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ Start = *Path;
+ if (*Start == L'\\')
+ Start++;
+
+ End = wcschr(Start, L'\\');
+ if (End != NULL)
+ {
+ *End = 0;
+ }
+
+ FoundObject = ObpFindEntryDirectory(Object, Start, Attributes);
+ if (FoundObject == NULL)
+ {
+ if (End != NULL)
+ {
+ *End = L'\\';
+ }
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ ObReferenceObjectByPointer(FoundObject,
+ STANDARD_RIGHTS_REQUIRED,
+ NULL,
+ UserMode);
+
+ if (End != NULL)
+ {
+ *End = L'\\';
+ *Path = End;
+ }
+ else
+ {
+ *Path = NULL;
+ }
+
+ *NextObject = FoundObject;
+
+ return STATUS_SUCCESS;
}
+
NTSTATUS STDCALL
ObpCreateDirectory(PVOID ObjectBody,
PVOID Parent,
}
-VOID
+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->MaxObjects = ULONG_MAX;
- ObDirectoryType->MaxHandles = ULONG_MAX;
+ ObDirectoryType->PeakObjects = 0;
+ ObDirectoryType->PeakHandles = 0;
ObDirectoryType->PagedPoolCharge = 0;
ObDirectoryType->NonpagedPoolCharge = sizeof(DIRECTORY_OBJECT);
ObDirectoryType->Mapping = &ObpDirectoryMapping;
ObDirectoryType->OkayToClose = NULL;
ObDirectoryType->Create = ObpCreateDirectory;
ObDirectoryType->DuplicationNotify = NULL;
-
- RtlInitUnicodeStringFromLiteral(&ObDirectoryType->TypeName,
+
+ RtlInitUnicodeString(&ObDirectoryType->TypeName,
L"Directory");
/* create 'type' object type*/
ObTypeObjectType->Tag = TAG('T', 'y', 'p', 'T');
ObTypeObjectType->TotalObjects = 0;
ObTypeObjectType->TotalHandles = 0;
- ObTypeObjectType->MaxObjects = ULONG_MAX;
- ObTypeObjectType->MaxHandles = ULONG_MAX;
+ ObTypeObjectType->PeakObjects = 0;
+ ObTypeObjectType->PeakHandles = 0;
ObTypeObjectType->PagedPoolCharge = 0;
ObTypeObjectType->NonpagedPoolCharge = sizeof(TYPE_OBJECT);
ObTypeObjectType->Mapping = &ObpTypeMapping;
ObTypeObjectType->OkayToClose = NULL;
ObTypeObjectType->Create = NULL;
ObTypeObjectType->DuplicationNotify = NULL;
-
- RtlInitUnicodeStringFromLiteral(&ObTypeObjectType->TypeName,
+
+ RtlInitUnicodeString(&ObTypeObjectType->TypeName,
L"ObjectType");
- /* create root directory */
- ObCreateObject(NULL,
- STANDARD_RIGHTS_REQUIRED,
- NULL,
+ /* 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 */
- RtlInitUnicodeStringFromLiteral(&Name,
+ /* Create '\ObjectTypes' directory */
+ RtlRosInitUnicodeStringFromLiteral(&Name,
L"\\ObjectTypes");
InitializeObjectAttributes(&ObjectAttributes,
&Name,
OBJ_PERMANENT,
NULL,
- NULL);
- ObCreateObject(NULL,
- STANDARD_RIGHTS_REQUIRED,
- &ObjectAttributes,
+ &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));
}
UNICODE_STRING Name;
NTSTATUS Status;
- DPRINT("ObjectType: %wZ\n", &ObjectType->TypeName);
+ DPRINT("ObpCreateTypeObject(ObjectType: %wZ)\n", &ObjectType->TypeName);
wcscpy(NameString, L"\\ObjectTypes\\");
wcscat(NameString, ObjectType->TypeName.Buffer);
RtlInitUnicodeString(&Name,
OBJ_PERMANENT,
NULL,
NULL);
- Status = ObCreateObject(NULL,
- STANDARD_RIGHTS_REQUIRED,
- &ObjectAttributes,
+ Status = ObCreateObject(KernelMode,
ObTypeObjectType,
+ &ObjectAttributes,
+ KernelMode,
+ NULL,
+ sizeof(TYPE_OBJECT),
+ 0,
+ 0,
(PVOID*)&TypeObject);
if (NT_SUCCESS(Status))
{
return(STATUS_SUCCESS);
}
-
/* EOF */