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Implement core Object Manager subsystem
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This commit is contained in:
Aiken Harris
2026-07-09 08:11:44 +02:00
parent 96502d5db6
commit 195c749396
16 changed files with 3182 additions and 0 deletions
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31
xtoskrnl/includes/ob/devmap.hh Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/ob/devmap.hh
* DESCRIPTION: Object Manager Device Map
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_OB_DEVMAP_HH
#define __XTOSKRNL_OB_DEVMAP_HH
#include <xtos.hh>
/* Object Manager */
namespace OB
{
class DeviceMap
{
private:
STATIC KPUSH_LOCK DeviceMapLock;
STATIC BOOLEAN UniqueDeviceMaps;
public:
STATIC XTAPI POBJECT_DIRECTORY GetGlobalDevicesDirectory(IN POBJECT_DIRECTORY Directory);
STATIC XTAPI BOOLEAN GetUniqueDeviceMaps(VOID);
STATIC XTAPI XTSTATUS InitializeDeviceMap(VOID);
};
}
#endif /* __XTOSKRNL_OB_DEVMAP_HH */

86
xtoskrnl/includes/ob/lifecycl.hh Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/ob/lifecycl.hh
* DESCRIPTION: Object Manager Lifecycle Management
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_OB_LIFECYCL_HH
#define __XTOSKRNL_OB_LIFECYCL_HH
#include <xtos.hh>
/* Object Manager */
namespace OB
{
class LifeCycle
{
private:
STATIC PVOID RemoveObjectList;
STATIC WORK_QUEUE_ITEM RemoveObjectWorkItem;
public:
STATIC XTAPI XTSTATUS AllocateObject(IN POBJECT_CREATE_INFORMATION CreateInfo,
IN KPROCESSOR_MODE OwnerProcessorMode,
IN POBJECT_TYPE ObjectType,
IN PUNICODE_STRING ObjectName,
IN ULONG ObjectBodySize,
OUT POBJECT_HEADER *ReturnedObjectHeader);
STATIC XTAPI VOID DeferObjectDeletion(IN POBJECT_HEADER ObjectHeader);
STATIC XTFASTCALL LONG_PTR DereferenceObject(IN PVOID Object);
STATIC XTFASTCALL LONG_PTR DereferenceObject(IN PVOID Object,
IN ULONG Count);
STATIC XTFASTCALL LONG_PTR DereferenceObjectDeferDelete(IN PVOID Object);
STATIC XTFASTCALL VOID DereferenceObjectNameInformation(IN POBJECT_HEADER_NAME_INFO NameInfo);
STATIC XTFASTCALL POBJECT_HEADER_CREATOR_INFO GetObjectCreatorInformation(IN POBJECT_HEADER Header);
STATIC XTFASTCALL POBJECT_HEADER_NAME_INFO GetObjectNameInformation(IN POBJECT_HEADER Header);
STATIC XTAPI VOID InitializeObjectLifeCycle(VOID);
STATIC XTFASTCALL LONG_PTR ReferenceObject(IN PVOID Object);
STATIC XTFASTCALL LONG_PTR ReferenceObject(IN PVOID Object,
IN ULONG Count);
STATIC XTFASTCALL POBJECT_HEADER_NAME_INFO ReferenceObjectNameInformation(IN POBJECT_HEADER ObjectHeader);
private:
STATIC XTFASTCALL PWCH AllocateObjectName(IN ULONG Length,
IN BOOLEAN UseLookaside,
IN OUT PUNICODE_STRING ObjectName);
STATIC XTAPI VOID CalculateOptionalHeaderSize(IN POBJECT_CREATE_INFORMATION CreateInfo,
IN POBJECT_TYPE ObjectType,
IN PUNICODE_STRING ObjectName,
OUT POBJECT_OPTIONAL_HEADER_LAYOUT Layout);
STATIC XTAPI XTSTATUS CaptureObjectCreateInformation(IN POBJECT_TYPE ObjectType,
IN KPROCESSOR_MODE ProcessorMode,
IN KPROCESSOR_MODE OwnerProcessorMode,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN OUT PUNICODE_STRING CapturedObjectName,
IN POBJECT_CREATE_INFORMATION ObjectCreateInfo,
IN BOOLEAN UseLookaside);
STATIC XTAPI XTSTATUS CaptureObjectName(IN KPROCESSOR_MODE ProcessorMode,
IN PUNICODE_STRING ObjectName,
IN OUT PUNICODE_STRING CapturedObjectName,
IN BOOLEAN UseLookaside);
STATIC XTAPI XTSTATUS CreateObject(IN KPROCESSOR_MODE ProcessorMode,
IN POBJECT_TYPE ObjectType,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN KPROCESSOR_MODE OwnerProcessorMode,
IN OUT PVOID ParseContext,
IN ULONG ObjectBodySize,
IN ULONG PagedPoolCharge,
IN ULONG NonPagedPoolCharge,
OUT PVOID *Object);
STATIC XTAPI VOID DeleteObject(IN PVOID Object,
IN BOOLEAN CalledOnWorkerThread);
STATIC XTAPI VOID FreeObject(IN PVOID Object);
STATIC XTFASTCALL VOID FreeObjectCreateInformation(IN POBJECT_CREATE_INFORMATION CreateInfo);
STATIC XTFASTCALL VOID FreeObjectName(IN OUT PUNICODE_STRING ObjectName);
STATIC XTAPI PVOID GetObjectAllocationBase(IN POBJECT_HEADER ObjectHeader);
STATIC XTAPI VOID ProcessDeferredDeletionQueue(IN PVOID Parameter);
STATIC XTFASTCALL VOID ReleaseObjectCreateInformation(IN POBJECT_CREATE_INFORMATION CreateInfo);
STATIC XTAPI VOID ReturnObjectQuota(IN POBJECT_HEADER ObjectHeader,
IN POBJECT_TYPE ObjectType);
};
}
#endif /* __XTOSKRNL_OB_LIFECYCL_HH */

53
xtoskrnl/includes/ob/obdir.hh Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/ob/obdir.hh
* DESCRIPTION: Object Manager Security API
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_OB_OBDIR_HH
#define __XTOSKRNL_OB_OBDIR_HH
#include <xtos.hh>
/* Object Manager */
namespace OB
{
class Directory
{
public:
STATIC XTAPI BOOLEAN DeleteDirectoryEntry(IN POBJECT_LOOKUP_CONTEXT LookupContext);
STATIC XTFASTCALL VOID InitializeLookupContext(OUT POBJECT_LOOKUP_CONTEXT LookupContext);
STATIC XTAPI BOOLEAN InsertDirectoryEntry(IN OUT POBJECT_DIRECTORY Directory,
IN POBJECT_LOOKUP_CONTEXT LookupContext,
IN OUT POBJECT_HEADER ObjectHeader);
STATIC XTFASTCALL VOID LockLookupContext(IN POBJECT_DIRECTORY Directory,
IN POBJECT_LOOKUP_CONTEXT LookupContext);
STATIC XTAPI PVOID LookupDirectoryEntry(IN POBJECT_DIRECTORY Directory,
IN PUNICODE_STRING Name,
IN ULONG Attributes,
IN BOOLEAN SearchGlobalDirectory,
OUT POBJECT_LOOKUP_CONTEXT LookupContext);
STATIC XTFASTCALL VOID ReleaseLookupContext(IN OUT POBJECT_LOOKUP_CONTEXT LookupContext);
private:
STATIC XTFASTCALL VOID AcquireExclusiveDirectoryLock(IN OUT POBJECT_DIRECTORY Directory,
IN OUT POBJECT_LOOKUP_CONTEXT LookupContext);
STATIC XTFASTCALL VOID AcquireSharedDirectoryLock(IN POBJECT_DIRECTORY Directory,
IN POBJECT_LOOKUP_CONTEXT LookupContext);
STATIC XTFASTCALL ULONG ComputeObjectNameHash(IN PCUNICODE_STRING Name);
STATIC XTFASTCALL VOID ReleaseDirectoryLock(IN OUT POBJECT_DIRECTORY Directory,
IN OUT POBJECT_LOOKUP_CONTEXT LookupContext);
STATIC XTFASTCALL VOID ReleaseLookupContextObject(IN OUT POBJECT_LOOKUP_CONTEXT LookupContext);
STATIC XTFASTCALL PVOID SearchDirectory(IN POBJECT_DIRECTORY Directory,
IN PCUNICODE_STRING Name,
IN BOOLEAN CaseInsensitive,
IN ULONG HashIndex,
IN POBJECT_LOOKUP_CONTEXT LookupContext);
};
}
#endif /* __XTOSKRNL_OB_OBDIR_HH */

30
xtoskrnl/includes/ob/obmgr.hh Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/ob/obmgr.hh
* DESCRIPTION: Object Manager
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_OB_OBMGR_HH
#define __XTOSKRNL_OB_OBMGR_HH
#include <xtos.hh>
/* Object Manager */
namespace OB
{
class Manager
{
private:
STATIC GENERAL_LOOKASIDE CreateInfoList;
STATIC GENERAL_LOOKASIDE NameBufferList;
public:
STATIC XTAPI XTSTATUS InitializeObjectManager(VOID);
STATIC XTAPI VOID InitializeSystemLookasideList(VOID);
};
}
#endif /* __XTOSKRNL_OB_OBMGR_HH */

32
xtoskrnl/includes/ob/security.hh Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/ob/security.hh
* DESCRIPTION: Object Manager Security API
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_OB_SECURITY_HH
#define __XTOSKRNL_OB_SECURITY_HH
#include <xtos.hh>
/* Object Manager */
namespace OB
{
class Security
{
public:
STATIC XTAPI XTSTATUS ProcessObjectSecurityDescriptor(IN PVOID Object,
IN SECURITY_OPERATION_CODE OperationCode,
IN PSECURITY_INFORMATION SecurityInformation,
IN OUT PSECURITY_DESCRIPTOR SecurityDescriptor,
IN OUT PULONG Length,
IN OUT PSECURITY_DESCRIPTOR *OldSecurityDescriptor,
IN MMPOOL_TYPE PoolType,
IN PGENERIC_MAPPING GenericMapping);
};
}
#endif /* __XTOSKRNL_OB_SECURITY_HH */

44
xtoskrnl/includes/ob/typereg.hh Normal file
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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/ob/typereg.hh
* DESCRIPTION: Object Manager Type Registry
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_OB_TYPEREG_HH
#define __XTOSKRNL_OB_TYPEREG_HH
#include <xtos.hh>
/* Object Manager */
namespace OB
{
class TypeRegistry
{
private:
STATIC KEVENT DefaultEvent;
STATIC POBJECT_TYPE MasterObjectType;
STATIC POBJECT_DIRECTORY ObjectTypeDirectory;
STATIC POBJECT_TYPE ObjectTypesTable[OBJECT_MAX_DEFINED_OBJECT_TYPES];
public:
STATIC XTAPI XTSTATUS CreateObjectType(IN PUNICODE_STRING TypeName,
IN POBJECT_TYPE_INITIALIZER ObjectTypeInitializer,
IN PSECURITY_DESCRIPTOR SecurityDescriptor,
OUT POBJECT_TYPE *ObjectType);
STATIC XTAPI VOID DeleteObjectType(IN PVOID Object);
STATIC XTAPI XTSTATUS InitializeObjectTypeRegistry(VOID);
private:
STATIC XTAPI ULONG GenerateObjectPoolTag(IN PUNICODE_STRING TypeName);
STATIC XTAPI VOID InitializeObjectType(IN OUT POBJECT_TYPE ObjectType,
IN POBJECT_TYPE_INITIALIZER Initializer,
IN PUNICODE_STRING ObjectName);
STATIC XTAPI XTSTATUS ValidateObjectTypeParameters(IN PUNICODE_STRING TypeName,
IN POBJECT_TYPE_INITIALIZER Initializer);
};
}
#endif /* __XTOSKRNL_OB_TYPEREG_HH */