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reactos/include/ndk/obtypes.h
Hermès Bélusca-Maïto 4f0b8d3db0 Create a branch for Aleksandar Andrejevic for his work on NTVDM. See http://jira.reactos.org/browse/CORE-7250 for more details. 
svn path=/branches/ntvdm/; revision=59241
2013-06-16 22:01:41 +00:00

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/*++ NDK Version: 0098
Copyright (c) Alex Ionescu. All rights reserved.
Header Name:
obtypes.h
Abstract:
Type definitions for the Object Manager
Author:
Alex Ionescu (alexi@tinykrnl.org) - Updated - 27-Feb-2006
--*/
#ifndef _OBTYPES_H
#define _OBTYPES_H
//
// Dependencies
//
#include <umtypes.h>
#ifndef NTOS_MODE_USER
#include <extypes.h>
#endif
#ifdef NTOS_MODE_USER
//
// Definitions for Object Creation
//
#define OBJ_INHERIT 0x00000002L
#define OBJ_PERMANENT 0x00000010L
#define OBJ_EXCLUSIVE 0x00000020L
#define OBJ_CASE_INSENSITIVE 0x00000040L
#define OBJ_OPENIF 0x00000080L
#define OBJ_OPENLINK 0x00000100L
#define OBJ_KERNEL_HANDLE 0x00000200L
#define OBJ_FORCE_ACCESS_CHECK 0x00000400L
#define OBJ_VALID_ATTRIBUTES 0x000007F2L
#define InitializeObjectAttributes(p,n,a,r,s) { \
(p)->Length = sizeof(OBJECT_ATTRIBUTES); \
(p)->RootDirectory = (r); \
(p)->Attributes = (a); \
(p)->ObjectName = (n); \
(p)->SecurityDescriptor = (s); \
(p)->SecurityQualityOfService = NULL; \
}
//
// Number of custom-defined bits that can be attached to a handle
//
#define OBJ_HANDLE_TAGBITS 0x3
//
// Directory Object Access Rights
//
#define DIRECTORY_QUERY 0x0001
#define DIRECTORY_TRAVERSE 0x0002
#define DIRECTORY_CREATE_OBJECT 0x0004
#define DIRECTORY_CREATE_SUBDIRECTORY 0x0008
#define DIRECTORY_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED | 0xF)
//
// Slash separator used in the OB Namespace (and Registry)
//
#define OBJ_NAME_PATH_SEPARATOR L'\\'
//
// Object Information Classes for NtQueryInformationObject
//
typedef enum _OBJECT_INFORMATION_CLASS
{
ObjectBasicInformation,
ObjectNameInformation,
ObjectTypeInformation,
ObjectTypesInformation,
ObjectHandleFlagInformation,
ObjectSessionInformation,
MaxObjectInfoClass
} OBJECT_INFORMATION_CLASS;
#else
//
// Object Flags
//
#define OB_FLAG_CREATE_INFO 0x01
#define OB_FLAG_KERNEL_MODE 0x02
#define OB_FLAG_CREATOR_INFO 0x04
#define OB_FLAG_EXCLUSIVE 0x08
#define OB_FLAG_PERMANENT 0x10
#define OB_FLAG_SECURITY 0x20
#define OB_FLAG_SINGLE_PROCESS 0x40
#define OB_FLAG_DEFER_DELETE 0x80
#define OBJECT_TO_OBJECT_HEADER(o) \
CONTAINING_RECORD((o), OBJECT_HEADER, Body)
#define OBJECT_HEADER_TO_NAME_INFO(h) \
((POBJECT_HEADER_NAME_INFO)(!(h)->NameInfoOffset ? \
NULL: ((PCHAR)(h) - (h)->NameInfoOffset)))
#define OBJECT_HEADER_TO_HANDLE_INFO(h) \
((POBJECT_HEADER_HANDLE_INFO)(!(h)->HandleInfoOffset ? \
NULL: ((PCHAR)(h) - (h)->HandleInfoOffset)))
#define OBJECT_HEADER_TO_QUOTA_INFO(h) \
((POBJECT_HEADER_QUOTA_INFO)(!(h)->QuotaInfoOffset ? \
NULL: ((PCHAR)(h) - (h)->QuotaInfoOffset)))
#define OBJECT_HEADER_TO_CREATOR_INFO(h) \
((POBJECT_HEADER_CREATOR_INFO)(!((h)->Flags & \
OB_FLAG_CREATOR_INFO) ? NULL: ((PCHAR)(h) - \
sizeof(OBJECT_HEADER_CREATOR_INFO))))
#define OBJECT_HEADER_TO_EXCLUSIVE_PROCESS(h) \
((!((h)->Flags & OB_FLAG_EXCLUSIVE)) ? \
NULL: (((POBJECT_HEADER_QUOTA_INFO)((PCHAR)(h) - \
(h)->QuotaInfoOffset))->ExclusiveProcess))
//
// Reasons for Open Callback
//
typedef enum _OB_OPEN_REASON
{
ObCreateHandle,
ObOpenHandle,
ObDuplicateHandle,
ObInheritHandle,
ObMaxOpenReason
} OB_OPEN_REASON;
#endif
//
// Object Duplication Flags
//
#define DUPLICATE_SAME_ATTRIBUTES 0x00000004
//
// Number of hash entries in an Object Directory
//
#define NUMBER_HASH_BUCKETS 37
//
// Types for DosDeviceDriveType
//
#define DOSDEVICE_DRIVE_UNKNOWN 0
#define DOSDEVICE_DRIVE_CALCULATE 1
#define DOSDEVICE_DRIVE_REMOVABLE 2
#define DOSDEVICE_DRIVE_FIXED 3
#define DOSDEVICE_DRIVE_REMOTE 4
#define DOSDEVICE_DRIVE_CDROM 5
#define DOSDEVICE_DRIVE_RAMDISK 6
//
// Dump Control Structure for Object Debugging
//
typedef struct _OB_DUMP_CONTROL
{
PVOID Stream;
ULONG Detail;
} OB_DUMP_CONTROL, *POB_DUMP_CONTROL;
#ifndef NTOS_MODE_USER
//
// Object Type Callbacks
//
typedef VOID
(NTAPI *OB_DUMP_METHOD)(
_In_ PVOID Object,
_In_opt_ POB_DUMP_CONTROL Control
);
typedef NTSTATUS
(NTAPI *OB_OPEN_METHOD)(
_In_ OB_OPEN_REASON Reason,
_In_opt_ PEPROCESS Process,
_In_ PVOID ObjectBody,
_In_ ACCESS_MASK GrantedAccess,
_In_ ULONG HandleCount
);
typedef VOID
(NTAPI *OB_CLOSE_METHOD)(
_In_opt_ PEPROCESS Process,
_In_ PVOID Object,
_In_ ACCESS_MASK GrantedAccess,
_In_ ULONG ProcessHandleCount,
_In_ ULONG SystemHandleCount
);
typedef VOID
(NTAPI *OB_DELETE_METHOD)(
_In_ PVOID Object
);
typedef NTSTATUS
(NTAPI *OB_PARSE_METHOD)(
_In_ PVOID ParseObject,
_In_ PVOID ObjectType,
_Inout_ PACCESS_STATE AccessState,
_In_ KPROCESSOR_MODE AccessMode,
_In_ ULONG Attributes,
_Inout_ PUNICODE_STRING CompleteName,
_Inout_ PUNICODE_STRING RemainingName,
_Inout_opt_ PVOID Context,
_In_opt_ PSECURITY_QUALITY_OF_SERVICE SecurityQos,
_Out_ PVOID *Object
);
typedef NTSTATUS
(NTAPI *OB_SECURITY_METHOD)(
_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
);
typedef NTSTATUS
(NTAPI *OB_QUERYNAME_METHOD)(
_In_ PVOID Object,
_In_ BOOLEAN HasObjectName,
_Out_ POBJECT_NAME_INFORMATION ObjectNameInfo,
_In_ ULONG Length,
_Out_ PULONG ReturnLength,
_In_ KPROCESSOR_MODE AccessMode
);
typedef BOOLEAN
(NTAPI *OB_OKAYTOCLOSE_METHOD)(
_In_opt_ PEPROCESS Process,
_In_ PVOID Object,
_In_ HANDLE Handle,
_In_ KPROCESSOR_MODE AccessMode
);
#else
//
// Object Information Types for NtQueryInformationObject
//
typedef struct _OBJECT_NAME_INFORMATION
{
UNICODE_STRING Name;
} OBJECT_NAME_INFORMATION, *POBJECT_NAME_INFORMATION;
#endif
typedef struct _OBJECT_HANDLE_ATTRIBUTE_INFORMATION
{
BOOLEAN Inherit;
BOOLEAN ProtectFromClose;
} OBJECT_HANDLE_ATTRIBUTE_INFORMATION, *POBJECT_HANDLE_ATTRIBUTE_INFORMATION;
typedef struct _OBJECT_DIRECTORY_INFORMATION
{
UNICODE_STRING Name;
UNICODE_STRING TypeName;
} OBJECT_DIRECTORY_INFORMATION, *POBJECT_DIRECTORY_INFORMATION;
//
// Object Type Information
//
typedef struct _OBJECT_TYPE_INFORMATION
{
UNICODE_STRING TypeName;
ULONG TotalNumberOfObjects;
ULONG TotalNumberOfHandles;
ULONG TotalPagedPoolUsage;
ULONG TotalNonPagedPoolUsage;
ULONG TotalNamePoolUsage;
ULONG TotalHandleTableUsage;
ULONG HighWaterNumberOfObjects;
ULONG HighWaterNumberOfHandles;
ULONG HighWaterPagedPoolUsage;
ULONG HighWaterNonPagedPoolUsage;
ULONG HighWaterNamePoolUsage;
ULONG HighWaterHandleTableUsage;
ULONG InvalidAttributes;
GENERIC_MAPPING GenericMapping;
ULONG ValidAccessMask;
BOOLEAN SecurityRequired;
BOOLEAN MaintainHandleCount;
ULONG PoolType;
ULONG DefaultPagedPoolCharge;
ULONG DefaultNonPagedPoolCharge;
} OBJECT_TYPE_INFORMATION, *POBJECT_TYPE_INFORMATION;
typedef struct _OBJECT_ALL_TYPES_INFORMATION
{
ULONG NumberOfTypes;
//OBJECT_TYPE_INFORMATION TypeInformation[1];
} OBJECT_ALL_TYPES_INFORMATION, *POBJECT_ALL_TYPES_INFORMATION;
#ifdef NTOS_MODE_USER
typedef struct _OBJECT_BASIC_INFORMATION
{
ULONG Attributes;
ACCESS_MASK GrantedAccess;
ULONG HandleCount;
ULONG PointerCount;
ULONG PagedPoolUsage;
ULONG NonPagedPoolUsage;
ULONG Reserved[3];
ULONG NameInformationLength;
ULONG TypeInformationLength;
ULONG SecurityDescriptorLength;
LARGE_INTEGER CreateTime;
} OBJECT_BASIC_INFORMATION, *POBJECT_BASIC_INFORMATION;
#else
typedef struct _OBJECT_CREATE_INFORMATION
{
ULONG Attributes;
HANDLE RootDirectory;
PVOID ParseContext;
KPROCESSOR_MODE ProbeMode;
ULONG PagedPoolCharge;
ULONG NonPagedPoolCharge;
ULONG SecurityDescriptorCharge;
PSECURITY_DESCRIPTOR SecurityDescriptor;
PSECURITY_QUALITY_OF_SERVICE SecurityQos;
SECURITY_QUALITY_OF_SERVICE SecurityQualityOfService;
} OBJECT_CREATE_INFORMATION, *POBJECT_CREATE_INFORMATION;
//
// Object Type Initialize for ObCreateObjectType
//
typedef struct _OBJECT_TYPE_INITIALIZER
{
USHORT Length;
BOOLEAN UseDefaultObject;
BOOLEAN CaseInsensitive;
ULONG InvalidAttributes;
GENERIC_MAPPING GenericMapping;
ULONG ValidAccessMask;
BOOLEAN SecurityRequired;
BOOLEAN MaintainHandleCount;
BOOLEAN MaintainTypeList;
POOL_TYPE PoolType;
ULONG DefaultPagedPoolCharge;
ULONG DefaultNonPagedPoolCharge;
OB_DUMP_METHOD DumpProcedure;
OB_OPEN_METHOD OpenProcedure;
OB_CLOSE_METHOD CloseProcedure;
OB_DELETE_METHOD DeleteProcedure;
OB_PARSE_METHOD ParseProcedure;
OB_SECURITY_METHOD SecurityProcedure;
OB_QUERYNAME_METHOD QueryNameProcedure;
OB_OKAYTOCLOSE_METHOD OkayToCloseProcedure;
} OBJECT_TYPE_INITIALIZER, *POBJECT_TYPE_INITIALIZER;
//
// Object Type Object
//
typedef struct _OBJECT_TYPE
{
ERESOURCE Mutex;
LIST_ENTRY TypeList;
UNICODE_STRING Name;
PVOID DefaultObject;
ULONG Index;
ULONG TotalNumberOfObjects;
ULONG TotalNumberOfHandles;
ULONG HighWaterNumberOfObjects;
ULONG HighWaterNumberOfHandles;
OBJECT_TYPE_INITIALIZER TypeInfo;
ULONG Key;
ERESOURCE ObjectLocks[4];
} OBJECT_TYPE;
//
// Object Directory Structures
//
typedef struct _OBJECT_DIRECTORY_ENTRY
{
struct _OBJECT_DIRECTORY_ENTRY *ChainLink;
PVOID Object;
#if (NTDDI_VERSION >= NTDDI_WS03)
ULONG HashValue;
#endif
} OBJECT_DIRECTORY_ENTRY, *POBJECT_DIRECTORY_ENTRY;
typedef struct _OBJECT_DIRECTORY
{
struct _OBJECT_DIRECTORY_ENTRY *HashBuckets[NUMBER_HASH_BUCKETS];
#if (NTDDI_VERSION < NTDDI_WINXP)
ERESOURCE Lock;
#else
EX_PUSH_LOCK Lock;
#endif
#if (NTDDI_VERSION < NTDDI_WINXP)
BOOLEAN CurrentEntryValid;
#else
struct _DEVICE_MAP *DeviceMap;
#endif
ULONG SessionId;
#if (NTDDI_VERSION == NTDDI_WINXP)
USHORT Reserved;
USHORT SymbolicLinkUsageCount;
#endif
} OBJECT_DIRECTORY, *POBJECT_DIRECTORY;
//
// Object Header Addon Information
//
typedef struct _OBJECT_HEADER_NAME_INFO
{
POBJECT_DIRECTORY Directory;
UNICODE_STRING Name;
ULONG QueryReferences;
ULONG Reserved2;
ULONG DbgReferenceCount;
} OBJECT_HEADER_NAME_INFO, *POBJECT_HEADER_NAME_INFO;
typedef struct _OBJECT_HANDLE_COUNT_ENTRY
{
struct _EPROCESS *Process;
ULONG HandleCount;
} OBJECT_HANDLE_COUNT_ENTRY, *POBJECT_HANDLE_COUNT_ENTRY;
typedef struct _OBJECT_HANDLE_COUNT_DATABASE
{
ULONG CountEntries;
OBJECT_HANDLE_COUNT_ENTRY HandleCountEntries[1];
} OBJECT_HANDLE_COUNT_DATABASE, *POBJECT_HANDLE_COUNT_DATABASE;
typedef struct _OBJECT_HEADER_HANDLE_INFO
{
union
{
POBJECT_HANDLE_COUNT_DATABASE HandleCountDatabase;
OBJECT_HANDLE_COUNT_ENTRY SingleEntry;
};
} OBJECT_HEADER_HANDLE_INFO, *POBJECT_HEADER_HANDLE_INFO;
typedef struct _OBJECT_HEADER_CREATOR_INFO
{
LIST_ENTRY TypeList;
PVOID CreatorUniqueProcess;
USHORT CreatorBackTraceIndex;
USHORT Reserved;
} OBJECT_HEADER_CREATOR_INFO, *POBJECT_HEADER_CREATOR_INFO;
typedef struct _OBJECT_HEADER_QUOTA_INFO
{
ULONG PagedPoolCharge;
ULONG NonPagedPoolCharge;
ULONG SecurityDescriptorCharge;
PEPROCESS ExclusiveProcess;
} OBJECT_HEADER_QUOTA_INFO, *POBJECT_HEADER_QUOTA_INFO;
//
// Object Header
//
typedef struct _OBJECT_HEADER
{
LONG PointerCount;
union
{
LONG HandleCount;
volatile PVOID NextToFree;
};
POBJECT_TYPE Type;
UCHAR NameInfoOffset;
UCHAR HandleInfoOffset;
UCHAR QuotaInfoOffset;
UCHAR Flags;
union
{
POBJECT_CREATE_INFORMATION ObjectCreateInfo;
PVOID QuotaBlockCharged;
};
PSECURITY_DESCRIPTOR SecurityDescriptor;
QUAD Body;
} OBJECT_HEADER, *POBJECT_HEADER;
//
// Object Lookup Context
//
typedef struct _OBP_LOOKUP_CONTEXT
{
POBJECT_DIRECTORY Directory;
PVOID Object;
ULONG HashValue;
USHORT HashIndex;
BOOLEAN DirectoryLocked;
ULONG LockStateSignature;
} OBP_LOOKUP_CONTEXT, *POBP_LOOKUP_CONTEXT;
//
// Device Map
//
typedef struct _DEVICE_MAP
{
POBJECT_DIRECTORY DosDevicesDirectory;
POBJECT_DIRECTORY GlobalDosDevicesDirectory;
ULONG ReferenceCount;
ULONG DriveMap;
UCHAR DriveType[32];
} DEVICE_MAP, *PDEVICE_MAP;
//
// Symbolic Link Object
//
typedef struct _OBJECT_SYMBOLIC_LINK
{
LARGE_INTEGER CreationTime;
UNICODE_STRING LinkTarget;
UNICODE_STRING LinkTargetRemaining;
PVOID LinkTargetObject;
ULONG DosDeviceDriveIndex;
} OBJECT_SYMBOLIC_LINK, *POBJECT_SYMBOLIC_LINK;
//
// Kernel Exports
//
extern POBJECT_TYPE NTSYSAPI ObDirectoryType;
extern PDEVICE_MAP NTSYSAPI ObSystemDeviceMap;
#endif // !NTOS_MODE_USER
#endif // _OBTYPES_H
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