-/*
+/* $Id: namespc.c,v 1.30 2002/03/06 12:40:47 ekohl Exp $
+ *
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ob/namespc.c
/* INCLUDES ***************************************************************/
-#include <windows.h>
-#include <wstring.h>
+#include <limits.h>
#include <ddk/ntddk.h>
#include <internal/ob.h>
#include <internal/io.h>
-#include <internal/string.h>
+#include <internal/pool.h>
#define NDEBUG
#include <internal/debug.h>
/* GLOBALS ****************************************************************/
POBJECT_TYPE ObDirectoryType = NULL;
+POBJECT_TYPE ObTypeObjectType = NULL;
-static struct
-{
- OBJECT_HEADER hdr;
-// DIRECTORY_OBJECT directory;
- LIST_ENTRY head;
- KSPIN_LOCK Lock;
-} namespc_root = {{0,},};
+PDIRECTORY_OBJECT NameSpaceRoot = NULL;
-/* FUNCTIONS **************************************************************/
+static GENERIC_MAPPING ObpDirectoryMapping = {
+ STANDARD_RIGHTS_READ|DIRECTORY_QUERY|DIRECTORY_TRAVERSE,
+ STANDARD_RIGHTS_WRITE|DIRECTORY_CREATE_OBJECT|DIRECTORY_CREATE_SUBDIRECTORY,
+ STANDARD_RIGHTS_EXECUTE|DIRECTORY_QUERY|DIRECTORY_TRAVERSE,
+ DIRECTORY_ALL_ACCESS};
-NTSTATUS NtOpenDirectoryObject(PHANDLE DirectoryHandle,
- ACCESS_MASK DesiredAccess,
- POBJECT_ATTRIBUTES ObjectAttributes)
-{
- return(ZwOpenDirectoryObject(DirectoryHandle,
- DesiredAccess,
- ObjectAttributes));
-}
+static GENERIC_MAPPING ObpTypeMapping = {
+ STANDARD_RIGHTS_READ,
+ STANDARD_RIGHTS_WRITE,
+ STANDARD_RIGHTS_EXECUTE,
+ 0x000F0001};
-NTSTATUS ZwOpenDirectoryObject(PHANDLE DirectoryHandle,
- ACCESS_MASK DesiredAccess,
- POBJECT_ATTRIBUTES ObjectAttributes)
-/*
- * FUNCTION: Opens a namespace directory object
- * ARGUMENTS:
- * DirectoryHandle (OUT) = Variable which receives the directory handle
- * DesiredAccess = Desired access to the directory
- * ObjectAttributes = Structure describing the directory
- * RETURNS: Status
- * NOTES: Undocumented
- */
+/* FUNCTIONS **************************************************************/
+
+NTSTATUS STDCALL
+ObReferenceObjectByName(PUNICODE_STRING ObjectPath,
+ ULONG Attributes,
+ PACCESS_STATE PassedAccessState,
+ ACCESS_MASK DesiredAccess,
+ POBJECT_TYPE ObjectType,
+ KPROCESSOR_MODE AccessMode,
+ PVOID ParseContext,
+ PVOID* ObjectPtr)
{
- PVOID Object;
+ PVOID Object = NULL;
+ UNICODE_STRING RemainingPath;
+ OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
- PWSTR Ignored;
-
- *DirectoryHandle = 0;
-
- Status = ObOpenObjectByName(ObjectAttributes,&Object,&Ignored);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ ObjectPath,
+ Attributes,
+ NULL,
+ NULL);
+ Status = ObFindObject(&ObjectAttributes,
+ &Object,
+ &RemainingPath,
+ ObjectType);
if (!NT_SUCCESS(Status))
{
return(Status);
}
-
- if (BODY_TO_HEADER(Object)->Type!=OBJTYP_DIRECTORY)
- {
+CHECKPOINT;
+DPRINT("RemainingPath.Buffer '%S' Object %p\n", RemainingPath.Buffer, Object);
+
+ if (RemainingPath.Buffer != NULL || Object == NULL)
+ {
+CHECKPOINT;
+DPRINT("Object %p\n", Object);
+ *ObjectPtr = NULL;
+ RtlFreeUnicodeString (&RemainingPath);
return(STATUS_UNSUCCESSFUL);
}
-
- *DirectoryHandle = ObInsertHandle(KeGetCurrentProcess(),Object,
- DesiredAccess,FALSE);
- CHECKPOINT;
+ *ObjectPtr = Object;
+ RtlFreeUnicodeString (&RemainingPath);
return(STATUS_SUCCESS);
}
-NTSTATUS NtQueryDirectoryObject(IN HANDLE DirObjHandle,
- OUT POBJDIR_INFORMATION DirObjInformation,
- IN ULONG BufferLength,
- IN BOOLEAN GetNextIndex,
- IN BOOLEAN IgnoreInputIndex,
- IN OUT PULONG ObjectIndex,
- OUT PULONG DataWritten OPTIONAL)
-{
- return(ZwQueryDirectoryObject(DirObjHandle,
- DirObjInformation,
- BufferLength,
- GetNextIndex,
- IgnoreInputIndex,
- ObjectIndex,
- DataWritten));
-}
-NTSTATUS ZwQueryDirectoryObject(IN HANDLE DirObjHandle,
- OUT POBJDIR_INFORMATION DirObjInformation,
- IN ULONG BufferLength,
- IN BOOLEAN GetNextIndex,
- IN BOOLEAN IgnoreInputIndex,
- IN OUT PULONG ObjectIndex,
- OUT PULONG DataWritten OPTIONAL)
-/*
- * FUNCTION: Reads information from a namespace directory
- * ARGUMENTS:
- * DirObjInformation (OUT) = Buffer to hold the data read
- * BufferLength = Size of the buffer in bytes
- * GetNextIndex = If TRUE then set ObjectIndex to the index of the
- * next object
- * If FALSE then set ObjectIndex to the number of
- * objects in the directory
- * IgnoreInputIndex = If TRUE start reading at index 0
- * If FALSE start reading at the index specified
- * by object index
- * ObjectIndex = Zero based index into the directory, interpretation
- * depends on IgnoreInputIndex and GetNextIndex
- * DataWritten (OUT) = Caller supplied storage for the number of bytes
- * written (or NULL)
- * RETURNS: Status
+/**********************************************************************
+ * NAME EXPORTED
+ * ObOpenObjectByName
+ *
+ * DESCRIPTION
+ * Obtain a handle to an existing object.
+ *
+ * ARGUMENTS
+ * ObjectAttributes
+ * ...
+ * ObjectType
+ * ...
+ * ParseContext
+ * ...
+ * AccessMode
+ * ...
+ * DesiredAccess
+ * ...
+ * PassedAccessState
+ * ...
+ * Handle
+ * Handle to close.
+ *
+ * RETURN VALUE
+ * Status.
*/
+NTSTATUS STDCALL
+ObOpenObjectByName(IN POBJECT_ATTRIBUTES ObjectAttributes,
+ IN POBJECT_TYPE ObjectType,
+ IN OUT PVOID ParseContext,
+ IN KPROCESSOR_MODE AccessMode,
+ IN ACCESS_MASK DesiredAccess,
+ IN PACCESS_STATE PassedAccessState,
+ OUT PHANDLE Handle)
{
- PDIRECTORY_OBJECT dir = NULL;
- ULONG EntriesToRead;
- PLIST_ENTRY current_entry;
- POBJECT_HEADER current;
- ULONG i=0;
- ULONG EntriesToSkip;
+ UNICODE_STRING RemainingPath;
+ PVOID Object = NULL;
NTSTATUS Status;
-
- DPRINT("ZwQueryDirectoryObject(DirObjHandle %x)\n",DirObjHandle);
- DPRINT("dir %x namespc_root %x\n",dir,HEADER_TO_BODY(&(namespc_root.hdr)));
-
-// assert_irql(PASSIVE_LEVEL);
-
- Status = ObReferenceObjectByHandle(DirObjHandle,
- DIRECTORY_QUERY,
- ObDirectoryType,
- UserMode,
- (PVOID*)&dir,
- NULL);
- if (Status != STATUS_SUCCESS)
- {
- return(Status);
- }
-
- EntriesToRead = BufferLength / sizeof(OBJDIR_INFORMATION);
- *DataWritten = 0;
-
- DPRINT("EntriesToRead %d\n",EntriesToRead);
-
- current_entry = dir->head.Flink;
-
- /*
- * Optionally, skip over some entries at the start of the directory
- */
- if (!IgnoreInputIndex)
- {
- CHECKPOINT;
-
- EntriesToSkip = *ObjectIndex;
- while ( i<EntriesToSkip && current_entry!=NULL)
- {
- current_entry = current_entry->Flink;
- }
- }
-
- DPRINT("DirObjInformation %x\n",DirObjInformation);
-
- /*
- * Read the maximum entries possible into the buffer
- */
- while ( i<EntriesToRead && current_entry!=(&(dir->head)))
- {
- current = CONTAINING_RECORD(current_entry,OBJECT_HEADER,Entry);
- DPRINT("Scanning %w\n",current->Name.Buffer);
- DirObjInformation[i].ObjectName.Buffer =
- ExAllocatePool(NonPagedPool,(current->Name.Length+1)*2);
- DirObjInformation[i].ObjectName.Length = current->Name.Length;
- DirObjInformation[i].ObjectName.MaximumLength = current->Name.Length;
- DPRINT("DirObjInformation[i].ObjectName.Buffer %x\n",
- DirObjInformation[i].ObjectName.Buffer);
- RtlCopyUnicodeString(&DirObjInformation[i].ObjectName,
- &(current->Name));
- i++;
- current_entry = current_entry->Flink;
- (*DataWritten) = (*DataWritten) + sizeof(OBJDIR_INFORMATION);
- CHECKPOINT;
- }
- CHECKPOINT;
-
- /*
- * Optionally, count the number of entries in the directory
- */
- if (GetNextIndex)
+
+ DPRINT("ObOpenObjectByName()\n");
+
+ Status = ObFindObject(ObjectAttributes,
+ &Object,
+ &RemainingPath,
+ ObjectType);
+ if (!NT_SUCCESS(Status))
{
- *ObjectIndex=i;
+ return Status;
}
- else
+
+ if (RemainingPath.Buffer != NULL ||
+ Object == NULL)
{
- while ( current_entry!=(&(dir->head)) )
- {
- current_entry=current_entry->Flink;
- i++;
- }
- *ObjectIndex=i;
+ RtlFreeUnicodeString(&RemainingPath);
+ return STATUS_UNSUCCESSFUL;
}
- return(STATUS_SUCCESS);
-}
-
-
-NTSTATUS ObReferenceObjectByName(PUNICODE_STRING ObjectPath,
- ULONG Attributes,
- PACCESS_STATE PassedAccessState,
- ACCESS_MASK DesiredAccess,
- POBJECT_TYPE ObjectType,
- KPROCESSOR_MODE AccessMode,
- PVOID ParseContext,
- PVOID* ObjectPtr)
-{
- UNIMPLEMENTED;
-}
-NTSTATUS ObOpenObjectByName(POBJECT_ATTRIBUTES ObjectAttributes,
- PVOID* Object, PWSTR* UnparsedSection)
-{
- NTSTATUS Status;
-
- DPRINT("ObOpenObjectByName(ObjectAttributes %x, Object %x)\n",
- ObjectAttributes,Object);
- DPRINT("ObjectAttributes = {ObjectName %x ObjectName->Buffer %w}\n",
- ObjectAttributes->ObjectName,ObjectAttributes->ObjectName->Buffer);
- DPRINT("ObjectAttributes->ObjectName->Length %d\n",
- ObjectAttributes->ObjectName->Length);
-
- *Object = NULL;
- Status = ObLookupObject(ObjectAttributes->RootDirectory,
- ObjectAttributes->ObjectName->Buffer,
+ Status = ObCreateHandle(PsGetCurrentProcess(),
Object,
- UnparsedSection);
- DPRINT("*Object %x\n",*Object);
- DPRINT("ObjectAttributes->ObjectName->Length %d\n",
- ObjectAttributes->ObjectName->Length);
- return(Status);
-}
+ DesiredAccess,
+ FALSE,
+ Handle);
-void ObInit(void)
-/*
- * FUNCTION: Initialize the object manager namespace
- */
-{
- ANSI_STRING AnsiString;
-
- ObDirectoryType = ExAllocatePool(NonPagedPool,sizeof(OBJECT_TYPE));
-
- ObDirectoryType->TotalObjects = 0;
- ObDirectoryType->TotalHandles = 0;
- ObDirectoryType->MaxObjects = ULONG_MAX;
- ObDirectoryType->MaxHandles = ULONG_MAX;
- ObDirectoryType->PagedPoolCharge = 0;
- ObDirectoryType->NonpagedPoolCharge = sizeof(DIRECTORY_OBJECT);
- ObDirectoryType->Dump = NULL;
- ObDirectoryType->Open = NULL;
- ObDirectoryType->Close = NULL;
- ObDirectoryType->Delete = NULL;
- ObDirectoryType->Parse = NULL;
- ObDirectoryType->Security = NULL;
- ObDirectoryType->QueryName = NULL;
- ObDirectoryType->OkayToClose = NULL;
-
- RtlInitAnsiString(&AnsiString,"Directory");
- RtlAnsiStringToUnicodeString(&ObDirectoryType->TypeName,
- &AnsiString,TRUE);
-
- ObInitializeObjectHeader(ObDirectoryType,NULL,&namespc_root.hdr);
- InitializeListHead(&namespc_root.head);
-}
+ ObDereferenceObject(Object);
+ RtlFreeUnicodeString(&RemainingPath);
-NTSTATUS NtCreateDirectoryObject(PHANDLE DirectoryHandle,
- ACCESS_MASK DesiredAccess,
- POBJECT_ATTRIBUTES ObjectAttributes)
-{
- return(ZwCreateDirectoryObject(DirectoryHandle,
- DesiredAccess,
- ObjectAttributes));
+ return Status;
}
-NTSTATUS ZwCreateDirectoryObject(PHANDLE DirectoryHandle,
- ACCESS_MASK DesiredAccess,
- POBJECT_ATTRIBUTES ObjectAttributes)
+
+VOID
+ObpAddEntryDirectory(PDIRECTORY_OBJECT Parent,
+ POBJECT_HEADER Header,
+ PWSTR Name)
/*
- * FUNCTION: Creates or opens a directory object (a container for other
- * objects)
+ * FUNCTION: Add an entry to a namespace directory
* ARGUMENTS:
- * DirectoryHandle (OUT) = Caller supplied storage for the handle
- * of the directory
- * DesiredAccess = Access desired to the directory
- * ObjectAttributes = Object attributes initialized with
- * InitializeObjectAttributes
- * RETURNS: Status
+ * Parent = directory to add in
+ * Header = Header of the object to add the entry for
+ * Name = Name to give the entry
*/
{
- PDIRECTORY_OBJECT dir;
-
- dir = ObGenericCreateObject(DirectoryHandle,DesiredAccess,ObjectAttributes,
- ObDirectoryType);
-
- /*
- * Initialize the object body
- */
- InitializeListHead(&dir->head);
- KeInitializeSpinLock(&(dir->Lock));
-
- return(STATUS_SUCCESS);
+ KIRQL oldlvl;
+
+ RtlCreateUnicodeString(&Header->Name, Name);
+ Header->Parent = Parent;
+
+ KeAcquireSpinLock(&Parent->Lock, &oldlvl);
+ InsertTailList(&Parent->head, &Header->Entry);
+ KeReleaseSpinLock(&Parent->Lock, oldlvl);
}
-VOID InitializeObjectAttributes(POBJECT_ATTRIBUTES InitializedAttributes,
- PUNICODE_STRING ObjectName,
- ULONG Attributes,
- HANDLE RootDirectory,
- PSECURITY_DESCRIPTOR SecurityDescriptor)
+VOID
+ObpRemoveEntryDirectory(POBJECT_HEADER Header)
/*
- * FUNCTION: Sets up a parameter of type OBJECT_ATTRIBUTES for a
- * subsequent call to ZwCreateXXX or ZwOpenXXX
+ * FUNCTION: Remove an entry from a namespace directory
* ARGUMENTS:
- * InitializedAttributes (OUT) = Caller supplied storage for the
- * object attributes
- * ObjectName = Full path name for object
- * Attributes = Attributes for the object
- * RootDirectory = Where the object should be placed or NULL
- * SecurityDescriptor = Ignored
- *
- * NOTE:
- * Either ObjectName is a fully qualified pathname or a path relative
- * to RootDirectory
+ * Header = Header of the object to remove
*/
{
- DPRINT("InitializeObjectAttributes(InitializedAttributes %x "
- "ObjectName %x Attributes %x RootDirectory %x)\n",
- InitializedAttributes,ObjectName,Attributes,RootDirectory);
- InitializedAttributes->Length=sizeof(OBJECT_ATTRIBUTES);
- InitializedAttributes->RootDirectory=RootDirectory;
- InitializedAttributes->ObjectName=ObjectName;
- InitializedAttributes->Attributes=Attributes;
- InitializedAttributes->SecurityDescriptor=SecurityDescriptor;
- InitializedAttributes->SecurityQualityOfService=NULL;
+ KIRQL oldlvl;
+
+ DPRINT("ObpRemoveEntryDirectory(Header %x)\n",Header);
+
+ KeAcquireSpinLock(&(Header->Parent->Lock),&oldlvl);
+ RemoveEntryList(&(Header->Entry));
+ KeReleaseSpinLock(&(Header->Parent->Lock),oldlvl);
}
-static PVOID ObDirLookup(PDIRECTORY_OBJECT dir, PWSTR name)
-/*
- * FUNCTION: Looks up an entry within a namespace directory
- * ARGUMENTS:
- * dir = Directory to lookup in
- * name = Entry name to find
- * RETURNS: A pointer to the object body if found
- * NULL otherwise
- */
+PVOID
+ObpFindEntryDirectory(PDIRECTORY_OBJECT DirectoryObject,
+ PWSTR Name,
+ ULONG Attributes)
{
- LIST_ENTRY* current = dir->head.Flink;
+ PLIST_ENTRY current = DirectoryObject->head.Flink;
POBJECT_HEADER current_obj;
+
+ DPRINT("ObFindEntryDirectory(dir %x, name %S)\n",DirectoryObject, Name);
- DPRINT("ObDirLookup(dir %x, name %w)\n",dir,name);
-
- if (name[0]==0)
+ if (Name[0]==0)
{
- return(dir);
+ return(DirectoryObject);
}
- if (name[0]=='.'&&name[1]==0)
+ if (Name[0]=='.' && Name[1]==0)
{
- return(dir);
+ return(DirectoryObject);
}
- if (name[0]=='.'&&name[1]=='.'&&name[2]==0)
+ if (Name[0]=='.' && Name[1]=='.' && Name[2]==0)
{
- return(BODY_TO_HEADER(dir)->Parent);
+ return(BODY_TO_HEADER(DirectoryObject)->Parent);
}
- while (current!=(&(dir->head)))
+ while (current!=(&(DirectoryObject->head)))
{
current_obj = CONTAINING_RECORD(current,OBJECT_HEADER,Entry);
- DPRINT("Scanning %w\n",current_obj->Name.Buffer);
- if ( wcscmp(current_obj->Name.Buffer, name)==0)
+ DPRINT("Scanning %S %S\n",current_obj->Name.Buffer, Name);
+ if (Attributes & OBJ_CASE_INSENSITIVE)
{
- return(HEADER_TO_BODY(current_obj));
+ if (_wcsicmp(current_obj->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)
+ {
+ DPRINT("Found it %x\n",HEADER_TO_BODY(current_obj));
+ return(HEADER_TO_BODY(current_obj));
+ }
}
current = current->Flink;
}
return(NULL);
}
-VOID ObRemoveEntry(POBJECT_HEADER Header)
-{
- KIRQL oldlvl;
-
- DPRINT("ObRemoveEntry(Header %x)\n",Header);
-
- KeAcquireSpinLock(&(Header->Parent->Lock),&oldlvl);
- RemoveEntryList(&(Header->Entry));
- KeReleaseSpinLock(&(Header->Parent->Lock),oldlvl);
-}
-
-VOID ObCreateEntry(PDIRECTORY_OBJECT parent,POBJECT_HEADER Object)
-/*
- * FUNCTION: Add an entry to a namespace directory
- * ARGUMENTS:
- * parent = directory to add in
- * name = Name to give the entry
- * Object = Header of the object to add the entry for
- */
-{
- DPRINT("ObjCreateEntry(%x,%x,%x,%w)\n",parent,Object,Object->Name.Buffer,
- Object->Name.Buffer);
-
- /*
- * Insert ourselves in our parents list
- */
- InsertTailList(&parent->head,&Object->Entry);
-}
-
-NTSTATUS ObLookupObject(HANDLE rootdir, PWSTR string, PVOID* Object,
- PWSTR* UnparsedSection)
-/*
- * FUNCTION: Lookup an object within the system namespc
- * ARGUMENTS:
- * root = Directory to start lookup from
- * _string = Pathname to lookup
- * RETURNS: On success a pointer to the object body
- * On failure NULL
- */
+NTSTATUS STDCALL
+ObpParseDirectory(PVOID Object,
+ PVOID * NextObject,
+ PUNICODE_STRING FullPath,
+ PWSTR * Path,
+ POBJECT_TYPE ObjectType,
+ ULONG Attributes)
{
- PWSTR current;
- PWSTR next;
- PDIRECTORY_OBJECT current_dir = NULL;
- NTSTATUS Status;
+ PWSTR end;
+ PVOID FoundObject;
- DPRINT("ObLookupObject(rootdir %x, string %x, string %w, Object %x, "
- "UnparsedSection %x)\n",rootdir,string,string,Object,
- UnparsedSection);
-
+ DPRINT("ObpParseDirectory(Object %x, Path %x, *Path %S)\n",
+ Object,Path,*Path);
- *UnparsedSection = NULL;
- *Object = NULL;
+ *NextObject = NULL;
- if (rootdir==NULL)
+ if ((*Path) == NULL)
{
- current_dir = HEADER_TO_BODY(&(namespc_root.hdr));
+ return STATUS_UNSUCCESSFUL;
}
- else
- {
- ObReferenceObjectByHandle(rootdir,DIRECTORY_TRAVERSE,NULL,
- UserMode,(PVOID*)¤t_dir,NULL);
- }
-
- /*
- * Bit of a hack this
- */
- if (string[0]==0)
- {
- *Object=current_dir;
- return(STATUS_SUCCESS);
- }
-
- if (string[0]!='\\')
+
+ end = wcschr((*Path)+1, '\\');
+ if (end != NULL)
{
- DbgPrint("(%s:%d) Non absolute pathname passed to %s\n",__FILE__,
- __LINE__,__FUNCTION__);
- return(STATUS_UNSUCCESSFUL);
+ *end = 0;
}
-
- next = &string[0];
- current = next+1;
- while (next!=NULL &&
- BODY_TO_HEADER(current_dir)->ObjectType==ObDirectoryType)
- {
- *next = '\\';
- current = next+1;
- next = wcschr(next+1,'\\');
- if (next!=NULL)
- {
- *next=0;
- }
-
- DPRINT("current %w current[5] %x next %x ",current,current[5],next);
- if (next!=NULL)
- {
- DPRINT("(next+1) %w",next+1);
- }
- DPRINT("\n",0);
-
- current_dir=(PDIRECTORY_OBJECT)ObDirLookup(current_dir,current);
- if (current_dir==NULL)
- {
- DbgPrint("(%s:%d) Path component not found\n",__FILE__,
- __LINE__);
- return(STATUS_UNSUCCESSFUL);
- }
-
- if (BODY_TO_HEADER(current_dir)->ObjectType==IoSymbolicLinkType)
+ FoundObject = ObpFindEntryDirectory(Object, (*Path)+1, Attributes);
+
+ if (FoundObject == NULL)
+ {
+ if (end != NULL)
{
- current_dir = IoOpenSymlink(current_dir);
+ *end = '\\';
}
-
+ return STATUS_UNSUCCESSFUL;
}
- DPRINT("next %x\n",next);
- DPRINT("current %x current %w\n",current,current);
- if (next==NULL)
+
+ ObReferenceObjectByPointer(FoundObject,
+ STANDARD_RIGHTS_REQUIRED,
+ NULL,
+ UserMode);
+
+ if (end != NULL)
{
- if (current_dir==NULL)
- {
- Status = STATUS_UNSUCCESSFUL;
- }
- else
- {
- Status = STATUS_SUCCESS;
- }
+ *end = '\\';
+ *Path = end;
}
else
{
- CHECKPOINT;
- *next = '\\';
- *UnparsedSection = next;
- if (BODY_TO_HEADER(current_dir)->ObjectType == IoDeviceType)
- {
- Status = STATUS_FS_QUERY_REQUIRED;
- }
- else
- {
- Status = STATUS_UNSUCCESSFUL;
- }
+ *Path = NULL;
}
- CHECKPOINT;
- *Object = current_dir;
- return(Status);
+ *NextObject = FoundObject;
+
+ 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
+ObInit(VOID)
+/*
+ * FUNCTION: Initialize the object manager namespace
+ */
+{
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING Name;
+
+ /* 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->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->MaxObjects = ULONG_MAX;
+ ObTypeObjectType->MaxHandles = ULONG_MAX;
+ 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 root directory */
+ ObCreateObject(NULL,
+ STANDARD_RIGHTS_REQUIRED,
+ NULL,
+ ObDirectoryType,
+ (PVOID*)&NameSpaceRoot);
+
+ /* create '\ObjectTypes' directory */
+ RtlInitUnicodeString(&Name,
+ L"\\ObjectTypes");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &Name,
+ OBJ_PERMANENT,
+ NULL,
+ NULL);
+ ObCreateObject(NULL,
+ STANDARD_RIGHTS_REQUIRED,
+ &ObjectAttributes,
+ ObDirectoryType,
+ NULL);
+
+ ObpCreateTypeObject(ObDirectoryType);
+ ObpCreateTypeObject(ObTypeObjectType);
+}
+
+
+NTSTATUS
+ObpCreateTypeObject(POBJECT_TYPE ObjectType)
+{
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ WCHAR NameString[120];
+ PTYPE_OBJECT TypeObject = NULL;
+ UNICODE_STRING Name;
+ NTSTATUS Status;
+
+ DPRINT("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(NULL,
+ STANDARD_RIGHTS_REQUIRED,
+ &ObjectAttributes,
+ ObTypeObjectType,
+ (PVOID*)&TypeObject);
+ if (NT_SUCCESS(Status))
+ {
+ TypeObject->ObjectType = ObjectType;
+ }
+
+ return(STATUS_SUCCESS);
}
-
+
+
+/* EOF */
projects / reactos.git / blobdiff