callbacks.h

#ifndef CALLBACKS_H
#define CALLBACKS_H

#include <ntifs.h>
#include <wdftypes.h>
#include <wdf.h>
#include "common.h"

#define HANDLE_REPORT_PROCESS_NAME_MAX_LENGTH 64

typedef struct _OPEN_HANDLE_FAILURE_REPORT
{
	INT report_code;
	INT is_kernel_handle;
	LONG process_id;
	LONG thread_id;
	LONG access;
	CHAR process_name[HANDLE_REPORT_PROCESS_NAME_MAX_LENGTH];

}OPEN_HANDLE_FAILURE_REPORT, * POPEN_HANDLE_FAILURE_REPORT;

//handle access masks
//https://learn.microsoft.com/en-us/windows/win32/procthread/process-security-and-access-rights
#define PROCESS_CREATE_PROCESS 0x0080
#define PROCESS_TERMINATE 0x0001
#define PROCESS_CREATE_THREAD 0x0002
#define PROCESS_DUP_HANDLE 0x0040
#define PROCESS_QUERY_INFORMATION 0x0400
#define PROCESS_QUERY_LIMITED_INFORMATION 0x1000
#define PROCESS_SET_INFORMATION 0x0200
#define PROCESS_SET_QUOTA 0x0100
#define PROCESS_SUSPEND_RESUME 0x0800
#define PROCESS_VM_OPERATION 0x0008
#define PROCESS_VM_READ 0x0010
#define PROCESS_VM_WRITE 0x0020

//https://www.sysnative.com/forums/threads/object-headers-handles-and-types.34987/
#define GET_OBJECT_HEADER_FROM_HANDLE(x) ((x << 4) | 0xffff000000000000)

static const uintptr_t EPROCESS_IMAGE_FILE_NAME_OFFSET = 0x5a8;
static const uintptr_t EPROCESS_HANDLE_TABLE_OFFSET = 0x570;
static const uintptr_t EPROCESS_PLIST_ENTRY_OFFSET = 0x448;

static UNICODE_STRING OBJECT_TYPE_PROCESS = RTL_CONSTANT_STRING(L"Process");
static UNICODE_STRING OBJECT_TYPE_THREAD = RTL_CONSTANT_STRING(L"Thread");

typedef struct _THREAD_LIST_ENTRY
{
	SINGLE_LIST_ENTRY list;
	PKTHREAD thread;
	PKPROCESS owning_process;
	BOOLEAN apc_queued;
	PKAPC apc;

}THREAD_LIST_ENTRY, * PTHREAD_LIST_ENTRY;

typedef struct _PROCESS_LIST_ENTRY
{
	SINGLE_LIST_ENTRY list;
	PKPROCESS process;
	PKPROCESS parent;

}PROCESS_LIST_ENTRY, *PPROCESS_LIST_ENTRY;

VOID
NTAPI
ExUnlockHandleTableEntry(
	IN PHANDLE_TABLE HandleTable,
	IN PHANDLE_TABLE_ENTRY HandleTableEntry
);

VOID
ObPostOpCallbackRoutine(
	_In_ PVOID RegistrationContext,
	_In_ POB_POST_OPERATION_INFORMATION OperationInformation
);

_IRQL_requires_max_(APC_LEVEL)
_Acquires_lock_(_Lock_kind_mutex_)
_Releases_lock_(_Lock_kind_mutex_)
OB_PREOP_CALLBACK_STATUS
ObPreOpCallbackRoutine(
	_In_ PVOID RegistrationContext,
	_In_ POB_PRE_OPERATION_INFORMATION OperationInformation
);

//VOID ProcessCreateNotifyRoutine(
//	_In_ HANDLE ParentId,
//	_In_ HANDLE ProcessId,
//	_In_ BOOLEAN Create
//);

//VOID
//EnumerateProcessListWithCallbackFunction(
//	_In_ PVOID Function,
//	_In_opt_ PVOID Context
//);

NTSTATUS
EnumerateProcessHandles(
	_In_ PPROCESS_LIST_ENTRY ProcessListEntry,
	_In_opt_ PVOID Context
);

NTSTATUS
InitialiseThreadList();

NTSTATUS
InitialiseProcessList();

VOID
ThreadCreateNotifyRoutine(
	_In_ HANDLE ProcessId,
	_In_ HANDLE ThreadId,
	_In_ BOOLEAN Create
);

VOID
ProcessCreateNotifyRoutine(
	_In_ HANDLE ParentId,
	_In_ HANDLE ProcessId,
	_In_ BOOLEAN Create
);

VOID
CleanupThreadListOnDriverUnload();

_IRQL_requires_max_(APC_LEVEL)
_Acquires_lock_(_Lock_kind_mutex_)
_Releases_lock_(_Lock_kind_mutex_)
VOID
FindThreadListEntryByThreadAddress(
	_In_ PKTHREAD Thread,
	_Inout_ PTHREAD_LIST_ENTRY* Entry
);

_IRQL_requires_max_(APC_LEVEL)
_Acquires_lock_(_Lock_kind_mutex_)
_Releases_lock_(_Lock_kind_mutex_)
VOID
FindProcessListEntryByProcess(
	_In_ PKPROCESS Process,
	_Inout_ PPROCESS_LIST_ENTRY* Entry
);

_IRQL_requires_max_(APC_LEVEL)
_Acquires_lock_(_Lock_kind_mutex_)
_Releases_lock_(_Lock_kind_mutex_)
VOID
EnumerateThreadListWithCallbackRoutine(
	_In_ PVOID CallbackRoutine,
	_In_opt_ PVOID Context
);

_IRQL_requires_max_(APC_LEVEL)
_Acquires_lock_(_Lock_kind_mutex_)
_Releases_lock_(_Lock_kind_mutex_)
VOID
EnumerateProcessListWithCallbackRoutine(
	_In_ PVOID CallbackRoutine,
	_In_opt_ PVOID Context
);

VOID
CleanupProcessListOnDriverUnload();

#endif