#ifndef MODULES_H
#define MODULES_H

#include <ntifs.h>
#include <intrin.h>

#include "common.h"
#include "queue.h"

typedef struct NMI_CALLBACK_FAILURE
{
        INT    report_code;
        INT    were_nmis_disabled;
        UINT64 kthread_address;
        UINT64 invalid_rip;

} NMI_CALLBACK_FAILURE, *PNMI_CALLBACK_FAILURE;

typedef struct _MODULE_VALIDATION_FAILURE
{
        INT    report_code;
        INT    report_type;
        UINT64 driver_base_address;
        UINT64 driver_size;
        CHAR   driver_name[128];

} MODULE_VALIDATION_FAILURE, *PMODULE_VALIDATION_FAILURE;

#define APC_STACKWALK_BUFFER_SIZE 4096

typedef struct _APC_STACKWALK_REPORT
{
        INT    report_code;
        UINT64 kthread_address;
        UINT64 invalid_rip;
        CHAR   driver[APC_STACKWALK_BUFFER_SIZE];

} APC_STACKWALK_REPORT, *PAPC_STACKWALK_REPORT;

typedef struct _APC_OPERATION_ID
{
        int operation_id;

} APC_OPERATION_ID, *PAPC_OPERATION_ID;

/* system modules information */

typedef struct _SYSTEM_MODULES
{
        PVOID address;
        INT   module_count;

} SYSTEM_MODULES, *PSYSTEM_MODULES;

#define APC_CONTEXT_ID_STACKWALK 0x1

typedef struct _APC_CONTEXT_HEADER
{
        LONG         context_id;
        volatile INT count;
        volatile INT allocation_in_progress;

} APC_CONTEXT_HEADER, *PAPC_CONTEXT_HEADER;

typedef struct _APC_STACKWALK_CONTEXT
{
        APC_CONTEXT_HEADER header;
        PSYSTEM_MODULES    modules;

} APC_STACKWALK_CONTEXT, *PAPC_STACKWALK_CONTEXT;

NTSTATUS
GetSystemModuleInformation(_Out_ PSYSTEM_MODULES ModuleInformation);

NTSTATUS
HandleValidateDriversIOCTL(_Inout_ PIRP Irp);

PRTL_MODULE_EXTENDED_INFO
FindSystemModuleByName(_In_ LPCSTR ModuleName, _In_ PSYSTEM_MODULES SystemModules);

NTSTATUS
HandleNmiIOCTL(_Inout_ PIRP Irp);

BOOLEAN
FreeApcContextStructure(_Inout_ PAPC_CONTEXT_HEADER Context);

NTSTATUS
ValidateThreadsViaKernelApc();

VOID
FreeApcStackwalkApcContextInformation(_Inout_ PAPC_STACKWALK_CONTEXT Context);

NTSTATUS
IsInstructionPointerInInvalidRegion(_In_ UINT64          RIP,
                                    _In_ PSYSTEM_MODULES SystemModules,
                                    _Out_ PBOOLEAN       Result);

BOOLEAN
FlipKThreadMiscFlagsFlag(_In_ PKTHREAD Thread, _In_ ULONG FlagIndex, _In_ BOOLEAN NewValue);

NTSTATUS
LaunchInterProcessInterrupt(_In_ PIRP Irp);

#endif