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ntldr.h
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ntldr.h
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/*
* Loader support functions
*
* This file is part of System Informer.
*/
#ifndef _NTLDR_H
#define _NTLDR_H
// DLLs
typedef BOOLEAN (NTAPI *PLDR_INIT_ROUTINE)(
_In_ PVOID DllHandle,
_In_ ULONG Reason,
_In_opt_ PVOID Context
);
// symbols
typedef struct _LDR_SERVICE_TAG_RECORD
{
struct _LDR_SERVICE_TAG_RECORD *Next;
ULONG ServiceTag;
} LDR_SERVICE_TAG_RECORD, *PLDR_SERVICE_TAG_RECORD;
// symbols
typedef struct _LDRP_CSLIST
{
PSINGLE_LIST_ENTRY Tail;
} LDRP_CSLIST, *PLDRP_CSLIST;
// symbols
typedef enum _LDR_DDAG_STATE
{
LdrModulesMerged = -5,
LdrModulesInitError = -4,
LdrModulesSnapError = -3,
LdrModulesUnloaded = -2,
LdrModulesUnloading = -1,
LdrModulesPlaceHolder = 0,
LdrModulesMapping = 1,
LdrModulesMapped = 2,
LdrModulesWaitingForDependencies = 3,
LdrModulesSnapping = 4,
LdrModulesSnapped = 5,
LdrModulesCondensed = 6,
LdrModulesReadyToInit = 7,
LdrModulesInitializing = 8,
LdrModulesReadyToRun = 9
} LDR_DDAG_STATE;
// symbols
typedef struct _LDR_DDAG_NODE
{
LIST_ENTRY Modules;
PLDR_SERVICE_TAG_RECORD ServiceTagList;
ULONG LoadCount;
ULONG LoadWhileUnloadingCount;
ULONG LowestLink;
union
{
LDRP_CSLIST Dependencies;
SINGLE_LIST_ENTRY RemovalLink;
};
LDRP_CSLIST IncomingDependencies;
LDR_DDAG_STATE State;
SINGLE_LIST_ENTRY CondenseLink;
ULONG PreorderNumber;
} LDR_DDAG_NODE, *PLDR_DDAG_NODE;
// rev
typedef struct _LDR_DEPENDENCY_RECORD
{
SINGLE_LIST_ENTRY DependencyLink;
PLDR_DDAG_NODE DependencyNode;
SINGLE_LIST_ENTRY IncomingDependencyLink;
PLDR_DDAG_NODE IncomingDependencyNode;
} LDR_DEPENDENCY_RECORD, *PLDR_DEPENDENCY_RECORD;
// symbols
typedef enum _LDR_DLL_LOAD_REASON
{
LoadReasonStaticDependency,
LoadReasonStaticForwarderDependency,
LoadReasonDynamicForwarderDependency,
LoadReasonDelayloadDependency,
LoadReasonDynamicLoad,
LoadReasonAsImageLoad,
LoadReasonAsDataLoad,
LoadReasonEnclavePrimary, // since REDSTONE3
LoadReasonEnclaveDependency,
LoadReasonPatchImage, // since WIN11
LoadReasonUnknown = -1
} LDR_DLL_LOAD_REASON, *PLDR_DLL_LOAD_REASON;
typedef enum _LDR_HOT_PATCH_STATE
{
LdrHotPatchBaseImage,
LdrHotPatchNotApplied,
LdrHotPatchAppliedReverse,
LdrHotPatchAppliedForward,
LdrHotPatchFailedToPatch,
LdrHotPatchStateMax,
} LDR_HOT_PATCH_STATE, *PLDR_HOT_PATCH_STATE;
typedef struct _ACTIVATION_CONTEXT *PACTIVATION_CONTEXT;
typedef struct _LDRP_LOAD_CONTEXT *PLDRP_LOAD_CONTEXT;
// LDR_DATA_TABLE_ENTRY->Flags
#define LDRP_PACKAGED_BINARY 0x00000001
#define LDRP_MARKED_FOR_REMOVAL 0x00000002
#define LDRP_IMAGE_DLL 0x00000004
#define LDRP_LOAD_NOTIFICATIONS_SENT 0x00000008
#define LDRP_TELEMETRY_ENTRY_PROCESSED 0x00000010
#define LDRP_PROCESS_STATIC_IMPORT 0x00000020
#define LDRP_IN_LEGACY_LISTS 0x00000040
#define LDRP_IN_INDEXES 0x00000080
#define LDRP_SHIM_DLL 0x00000100
#define LDRP_IN_EXCEPTION_TABLE 0x00000200
#define LDRP_LOAD_IN_PROGRESS 0x00001000
#define LDRP_LOAD_CONFIG_PROCESSED 0x00002000
#define LDRP_ENTRY_PROCESSED 0x00004000
#define LDRP_PROTECT_DELAY_LOAD 0x00008000
#define LDRP_DONT_CALL_FOR_THREADS 0x00040000
#define LDRP_PROCESS_ATTACH_CALLED 0x00080000
#define LDRP_PROCESS_ATTACH_FAILED 0x00100000
#define LDRP_COR_DEFERRED_VALIDATE 0x00200000
#define LDRP_COR_IMAGE 0x00400000
#define LDRP_DONT_RELOCATE 0x00800000
#define LDRP_COR_IL_ONLY 0x01000000
#define LDRP_CHPE_IMAGE 0x02000000
#define LDRP_CHPE_EMULATOR_IMAGE 0x04000000
#define LDRP_REDIRECTED 0x10000000
#define LDRP_COMPAT_DATABASE_PROCESSED 0x80000000
#define LDR_DATA_TABLE_ENTRY_SIZE_WINXP FIELD_OFFSET(LDR_DATA_TABLE_ENTRY, DdagNode)
#define LDR_DATA_TABLE_ENTRY_SIZE_WIN7 FIELD_OFFSET(LDR_DATA_TABLE_ENTRY, BaseNameHashValue)
#define LDR_DATA_TABLE_ENTRY_SIZE_WIN8 FIELD_OFFSET(LDR_DATA_TABLE_ENTRY, ImplicitPathOptions)
#define LDR_DATA_TABLE_ENTRY_SIZE_WIN10 FIELD_OFFSET(LDR_DATA_TABLE_ENTRY, SigningLevel)
#define LDR_DATA_TABLE_ENTRY_SIZE_WIN11 sizeof(LDR_DATA_TABLE_ENTRY)
// symbols
typedef struct _LDR_DATA_TABLE_ENTRY
{
LIST_ENTRY InLoadOrderLinks;
LIST_ENTRY InMemoryOrderLinks;
LIST_ENTRY InInitializationOrderLinks;
PVOID DllBase;
PLDR_INIT_ROUTINE EntryPoint;
ULONG SizeOfImage;
UNICODE_STRING FullDllName;
UNICODE_STRING BaseDllName;
union
{
UCHAR FlagGroup[4];
ULONG Flags;
struct
{
ULONG PackagedBinary : 1;
ULONG MarkedForRemoval : 1;
ULONG ImageDll : 1;
ULONG LoadNotificationsSent : 1;
ULONG TelemetryEntryProcessed : 1;
ULONG ProcessStaticImport : 1;
ULONG InLegacyLists : 1;
ULONG InIndexes : 1;
ULONG ShimDll : 1;
ULONG InExceptionTable : 1;
ULONG ReservedFlags1 : 2;
ULONG LoadInProgress : 1;
ULONG LoadConfigProcessed : 1;
ULONG EntryProcessed : 1;
ULONG ProtectDelayLoad : 1;
ULONG ReservedFlags3 : 2;
ULONG DontCallForThreads : 1;
ULONG ProcessAttachCalled : 1;
ULONG ProcessAttachFailed : 1;
ULONG CorDeferredValidate : 1;
ULONG CorImage : 1;
ULONG DontRelocate : 1;
ULONG CorILOnly : 1;
ULONG ChpeImage : 1;
ULONG ChpeEmulatorImage : 1;
ULONG ReservedFlags5 : 1;
ULONG Redirected : 1;
ULONG ReservedFlags6 : 2;
ULONG CompatDatabaseProcessed : 1;
};
};
USHORT ObsoleteLoadCount;
USHORT TlsIndex;
LIST_ENTRY HashLinks;
ULONG TimeDateStamp;
PACTIVATION_CONTEXT EntryPointActivationContext;
PVOID Lock; // RtlAcquireSRWLockExclusive
PLDR_DDAG_NODE DdagNode;
LIST_ENTRY NodeModuleLink;
PLDRP_LOAD_CONTEXT LoadContext;
PVOID ParentDllBase;
PVOID SwitchBackContext;
RTL_BALANCED_NODE BaseAddressIndexNode;
RTL_BALANCED_NODE MappingInfoIndexNode;
ULONG_PTR OriginalBase;
LARGE_INTEGER LoadTime;
ULONG BaseNameHashValue;
LDR_DLL_LOAD_REASON LoadReason; // since WIN8
ULONG ImplicitPathOptions;
ULONG ReferenceCount; // since WIN10
ULONG DependentLoadFlags;
UCHAR SigningLevel; // since REDSTONE2
ULONG CheckSum; // since 22H1
PVOID ActivePatchImageBase;
LDR_HOT_PATCH_STATE HotPatchState;
} LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTRY;
#define LDR_IS_DATAFILE(DllHandle) (((ULONG_PTR)(DllHandle)) & (ULONG_PTR)1)
#define LDR_IS_IMAGEMAPPING(DllHandle) (((ULONG_PTR)(DllHandle)) & (ULONG_PTR)2)
#define LDR_IS_RESOURCE(DllHandle) (LDR_IS_IMAGEMAPPING(DllHandle) || LDR_IS_DATAFILE(DllHandle))
#define LDR_MAPPEDVIEW_TO_DATAFILE(BaseAddress) ((PVOID)(((ULONG_PTR)(BaseAddress)) | (ULONG_PTR)1))
#define LDR_MAPPEDVIEW_TO_IMAGEMAPPING(BaseAddress) ((PVOID)(((ULONG_PTR)(BaseAddress)) | (ULONG_PTR)2))
#define LDR_DATAFILE_TO_MAPPEDVIEW(DllHandle) ((PVOID)(((ULONG_PTR)(DllHandle)) & ~(ULONG_PTR)1))
#define LDR_IMAGEMAPPING_TO_MAPPEDVIEW(DllHandle) ((PVOID)(((ULONG_PTR)(DllHandle)) & ~(ULONG_PTR)2))
#if (PHNT_MODE != PHNT_MODE_KERNEL)
NTSYSAPI
NTSTATUS
NTAPI
LdrLoadDll(
_In_opt_ PCWSTR DllPath,
_In_opt_ PULONG DllCharacteristics,
_In_ PUNICODE_STRING DllName,
_Out_ PVOID *DllHandle
);
NTSYSAPI
NTSTATUS
NTAPI
LdrUnloadDll(
_In_ PVOID DllHandle
);
NTSYSAPI
NTSTATUS
NTAPI
LdrGetDllHandle(
_In_opt_ PCWSTR DllPath,
_In_opt_ PULONG DllCharacteristics,
_In_ PUNICODE_STRING DllName,
_Out_ PVOID *DllHandle
);
#define LDR_GET_DLL_HANDLE_EX_UNCHANGED_REFCOUNT 0x00000001
#define LDR_GET_DLL_HANDLE_EX_PIN 0x00000002
NTSYSAPI
NTSTATUS
NTAPI
LdrGetDllHandleEx(
_In_ ULONG Flags,
_In_opt_ PCWSTR DllPath,
_In_opt_ PULONG DllCharacteristics,
_In_ PUNICODE_STRING DllName,
_Out_ PVOID *DllHandle
);
#if (PHNT_VERSION >= PHNT_WIN7)
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrGetDllHandleByMapping(
_In_ PVOID BaseAddress,
_Out_ PVOID *DllHandle
);
#endif
#if (PHNT_VERSION >= PHNT_WIN7)
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrGetDllHandleByName(
_In_opt_ PUNICODE_STRING BaseDllName,
_In_opt_ PUNICODE_STRING FullDllName,
_Out_ PVOID *DllHandle
);
#endif
#if (PHNT_VERSION >= PHNT_WIN8)
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrGetDllFullName(
_In_ PVOID DllHandle,
_Out_ PUNICODE_STRING FullDllName
);
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrGetDllPath(
_In_ PCWSTR DllName,
_In_ ULONG Flags, // LOAD_LIBRARY_SEARCH_*
_Out_ PWSTR* DllPath,
_Out_ PWSTR* SearchPaths
);
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrGetDllDirectory(
_Out_ PUNICODE_STRING DllDirectory
);
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrSetDllDirectory(
_In_ PUNICODE_STRING DllDirectory
);
#endif
#define LDR_ADDREF_DLL_PIN 0x00000001
NTSYSAPI
NTSTATUS
NTAPI
LdrAddRefDll(
_In_ ULONG Flags,
_In_ PVOID DllHandle
);
NTSYSAPI
NTSTATUS
NTAPI
LdrGetProcedureAddress(
_In_ PVOID DllHandle,
_In_opt_ PANSI_STRING ProcedureName,
_In_opt_ ULONG ProcedureNumber,
_Out_ PVOID *ProcedureAddress
);
// rev
#define LDR_GET_PROCEDURE_ADDRESS_DONT_RECORD_FORWARDER 0x00000001
#if (PHNT_VERSION >= PHNT_VISTA)
// private
NTSYSAPI
NTSTATUS
NTAPI
LdrGetProcedureAddressEx(
_In_ PVOID DllHandle,
_In_opt_ PANSI_STRING ProcedureName,
_In_opt_ ULONG ProcedureNumber,
_Out_ PVOID *ProcedureAddress,
_In_ ULONG Flags
);
#endif
NTSYSAPI
NTSTATUS
NTAPI
LdrGetKnownDllSectionHandle(
_In_ PCWSTR DllName,
_In_ BOOLEAN KnownDlls32,
_Out_ PHANDLE Section
);
#if (PHNT_VERSION >= PHNT_THRESHOLD)
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrGetProcedureAddressForCaller(
_In_ PVOID DllHandle,
_In_opt_ PANSI_STRING ProcedureName,
_In_opt_ ULONG ProcedureNumber,
_Out_ PVOID *ProcedureAddress,
_In_ ULONG Flags,
_In_ PVOID *Callback
);
#endif
#define LDR_LOCK_LOADER_LOCK_FLAG_RAISE_ON_ERRORS 0x00000001
#define LDR_LOCK_LOADER_LOCK_FLAG_TRY_ONLY 0x00000002
#define LDR_LOCK_LOADER_LOCK_DISPOSITION_INVALID 0
#define LDR_LOCK_LOADER_LOCK_DISPOSITION_LOCK_ACQUIRED 1
#define LDR_LOCK_LOADER_LOCK_DISPOSITION_LOCK_NOT_ACQUIRED 2
NTSYSAPI
NTSTATUS
NTAPI
LdrLockLoaderLock(
_In_ ULONG Flags,
_Out_opt_ ULONG *Disposition,
_Out_opt_ PVOID *Cookie
);
#define LDR_UNLOCK_LOADER_LOCK_FLAG_RAISE_ON_ERRORS 0x00000001
NTSYSAPI
NTSTATUS
NTAPI
LdrUnlockLoaderLock(
_In_ ULONG Flags,
_In_opt_ PVOID Cookie
);
NTSYSAPI
NTSTATUS
NTAPI
LdrRelocateImage(
_In_ PVOID NewBase,
_In_opt_ PSTR LoaderName,
_In_ NTSTATUS Success,
_In_ NTSTATUS Conflict,
_In_ NTSTATUS Invalid
);
NTSYSAPI
NTSTATUS
NTAPI
LdrRelocateImageWithBias(
_In_ PVOID NewBase,
_In_opt_ LONGLONG Bias,
_In_opt_ PSTR LoaderName,
_In_ NTSTATUS Success,
_In_ NTSTATUS Conflict,
_In_ NTSTATUS Invalid
);
NTSYSAPI
PIMAGE_BASE_RELOCATION
NTAPI
LdrProcessRelocationBlock(
_In_ ULONG_PTR VA,
_In_ ULONG SizeOfBlock,
_In_ PUSHORT NextOffset,
_In_ LONG_PTR Diff
);
#if (PHNT_VERSION >= PHNT_WIN8)
NTSYSAPI
PIMAGE_BASE_RELOCATION
NTAPI
LdrProcessRelocationBlockEx(
_In_ ULONG Machine, // IMAGE_FILE_MACHINE_AMD64|IMAGE_FILE_MACHINE_ARM|IMAGE_FILE_MACHINE_THUMB|IMAGE_FILE_MACHINE_ARMNT
_In_ ULONG_PTR VA,
_In_ ULONG SizeOfBlock,
_In_ PUSHORT NextOffset,
_In_ LONG_PTR Diff
);
#endif
NTSYSAPI
BOOLEAN
NTAPI
LdrVerifyMappedImageMatchesChecksum(
_In_ PVOID BaseAddress,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG FileLength
);
typedef VOID (NTAPI *PLDR_IMPORT_MODULE_CALLBACK)(
_In_ PVOID Parameter,
_In_ PSTR ModuleName
);
NTSYSAPI
NTSTATUS
NTAPI
LdrVerifyImageMatchesChecksum(
_In_ HANDLE ImageFileHandle,
_In_opt_ PLDR_IMPORT_MODULE_CALLBACK ImportCallbackRoutine,
_In_ PVOID ImportCallbackParameter,
_Out_opt_ PUSHORT ImageCharacteristics
);
// private
typedef struct _LDR_IMPORT_CALLBACK_INFO
{
PLDR_IMPORT_MODULE_CALLBACK ImportCallbackRoutine;
PVOID ImportCallbackParameter;
} LDR_IMPORT_CALLBACK_INFO, *PLDR_IMPORT_CALLBACK_INFO;
// private
typedef struct _LDR_SECTION_INFO
{
HANDLE SectionHandle;
ACCESS_MASK DesiredAccess;
POBJECT_ATTRIBUTES ObjA;
ULONG SectionPageProtection;
ULONG AllocationAttributes;
} LDR_SECTION_INFO, *PLDR_SECTION_INFO;
// private
typedef struct _LDR_VERIFY_IMAGE_INFO
{
ULONG Size;
ULONG Flags;
LDR_IMPORT_CALLBACK_INFO CallbackInfo;
LDR_SECTION_INFO SectionInfo;
USHORT ImageCharacteristics;
} LDR_VERIFY_IMAGE_INFO, *PLDR_VERIFY_IMAGE_INFO;
#if (PHNT_VERSION >= PHNT_VISTA)
// private
NTSYSAPI
NTSTATUS
NTAPI
LdrVerifyImageMatchesChecksumEx(
_In_ HANDLE ImageFileHandle,
_Inout_ PLDR_VERIFY_IMAGE_INFO VerifyInfo
);
#endif
#if (PHNT_VERSION >= PHNT_VISTA)
// private
NTSYSAPI
NTSTATUS
NTAPI
LdrQueryModuleServiceTags(
_In_ PVOID DllHandle,
_Out_writes_(*BufferSize) PULONG ServiceTagBuffer,
_Inout_ PULONG BufferSize
);
#endif
// begin_msdn:"DLL Load Notification"
#define LDR_DLL_NOTIFICATION_REASON_LOADED 1
#define LDR_DLL_NOTIFICATION_REASON_UNLOADED 2
typedef struct _LDR_DLL_LOADED_NOTIFICATION_DATA
{
ULONG Flags;
PUNICODE_STRING FullDllName;
PUNICODE_STRING BaseDllName;
PVOID DllBase;
ULONG SizeOfImage;
} LDR_DLL_LOADED_NOTIFICATION_DATA, *PLDR_DLL_LOADED_NOTIFICATION_DATA;
typedef struct _LDR_DLL_UNLOADED_NOTIFICATION_DATA
{
ULONG Flags;
PCUNICODE_STRING FullDllName;
PCUNICODE_STRING BaseDllName;
PVOID DllBase;
ULONG SizeOfImage;
} LDR_DLL_UNLOADED_NOTIFICATION_DATA, *PLDR_DLL_UNLOADED_NOTIFICATION_DATA;
typedef union _LDR_DLL_NOTIFICATION_DATA
{
LDR_DLL_LOADED_NOTIFICATION_DATA Loaded;
LDR_DLL_UNLOADED_NOTIFICATION_DATA Unloaded;
} LDR_DLL_NOTIFICATION_DATA, *PLDR_DLL_NOTIFICATION_DATA;
typedef VOID (NTAPI *PLDR_DLL_NOTIFICATION_FUNCTION)(
_In_ ULONG NotificationReason,
_In_ PLDR_DLL_NOTIFICATION_DATA NotificationData,
_In_opt_ PVOID Context
);
#if (PHNT_VERSION >= PHNT_VISTA)
NTSYSAPI
NTSTATUS
NTAPI
LdrRegisterDllNotification(
_In_ ULONG Flags,
_In_ PLDR_DLL_NOTIFICATION_FUNCTION NotificationFunction,
_In_opt_ PVOID Context,
_Out_ PVOID *Cookie
);
NTSYSAPI
NTSTATUS
NTAPI
LdrUnregisterDllNotification(
_In_ PVOID Cookie
);
#endif
// end_msdn
// rev
NTSYSAPI
PUNICODE_STRING
NTAPI
LdrStandardizeSystemPath(
_In_ PUNICODE_STRING SystemPath
);
typedef struct _LDR_FAILURE_DATA
{
NTSTATUS Status;
WCHAR DllName[0x20];
WCHAR AdditionalInfo[0x20];
} LDR_FAILURE_DATA, *PLDR_FAILURE_DATA;
#if (PHNT_VERSION >= PHNT_WINBLUE)
NTSYSAPI
PLDR_FAILURE_DATA
NTAPI
LdrGetFailureData(
VOID
);
#endif
// private
typedef struct _PS_MITIGATION_OPTIONS_MAP
{
ULONG_PTR Map[3]; // 2 < 20H1
} PS_MITIGATION_OPTIONS_MAP, *PPS_MITIGATION_OPTIONS_MAP;
// private
typedef struct _PS_MITIGATION_AUDIT_OPTIONS_MAP
{
ULONG_PTR Map[3]; // 2 < 20H1
} PS_MITIGATION_AUDIT_OPTIONS_MAP, *PPS_MITIGATION_AUDIT_OPTIONS_MAP;
#define PS_SYSTEM_DLL_INIT_BLOCK_V1 0x0F0
#define PS_SYSTEM_DLL_INIT_BLOCK_V2 0x128
// private
typedef struct _PS_SYSTEM_DLL_INIT_BLOCK
{
ULONG Size;
ULONG_PTR SystemDllWowRelocation;
ULONG_PTR SystemDllNativeRelocation;
ULONG_PTR Wow64SharedInformation[16]; // use WOW64_SHARED_INFORMATION as index
ULONG RngData;
union
{
ULONG Flags;
struct
{
ULONG CfgOverride : 1;
ULONG Reserved : 31;
};
};
PS_MITIGATION_OPTIONS_MAP MitigationOptionsMap;
ULONG_PTR CfgBitMap;
ULONG_PTR CfgBitMapSize;
ULONG_PTR Wow64CfgBitMap;
ULONG_PTR Wow64CfgBitMapSize;
PS_MITIGATION_AUDIT_OPTIONS_MAP MitigationAuditOptionsMap; // REDSTONE3
ULONG_PTR ScpCfgCheckFunction; // since 24H2
ULONG_PTR ScpCfgCheckESFunction;
ULONG_PTR ScpCfgDispatchFunction;
ULONG_PTR ScpCfgDispatchESFunction;
ULONG_PTR ScpArm64EcCallCheck;
ULONG_PTR ScpArm64EcCfgCheckFunction;
ULONG_PTR ScpArm64EcCfgCheckESFunction;
} PS_SYSTEM_DLL_INIT_BLOCK, *PPS_SYSTEM_DLL_INIT_BLOCK;
// rev
#if (PHNT_VERSION >= PHNT_THRESHOLD)
NTSYSAPI PS_SYSTEM_DLL_INIT_BLOCK LdrSystemDllInitBlock;
#endif
// rev see also MEMORY_IMAGE_EXTENSION_INFORMATION
typedef struct _RTL_SCPCFG_NTDLL_EXPORTS
{
PVOID ScpCfgHeader_Nop;
PVOID ScpCfgEnd_Nop;
PVOID ScpCfgHeader;
PVOID ScpCfgEnd;
PVOID ScpCfgHeader_ES;
PVOID ScpCfgEnd_ES;
PVOID ScpCfgHeader_Fptr;
PVOID ScpCfgEnd_Fptr;
PVOID LdrpGuardDispatchIcallNoESFptr;
PVOID __guard_dispatch_icall_fptr;
PVOID LdrpGuardCheckIcallNoESFptr;
PVOID __guard_check_icall_fptr;
PVOID LdrpHandleInvalidUserCallTarget;
struct
{
PVOID NtOpenFile;
PVOID NtCreateSection;
PVOID NtQueryAttributesFile;
PVOID NtOpenSection;
PVOID NtMapViewOfSection;
} LdrpCriticalLoaderFunctions;
} RTL_SCPCFG_NTDLL_EXPORTS, *PRTL_SCPCFG_NTDLL_EXPORTS;
// rev
#if (PHNT_VERSION >= PHNT_WIN11_24H2)
NTSYSAPI RTL_SCPCFG_NTDLL_EXPORTS RtlpScpCfgNtdllExports;
#endif
// Load as data table
#if (PHNT_VERSION >= PHNT_VISTA)
// private
NTSYSAPI
NTSTATUS
NTAPI
LdrAddLoadAsDataTable(
_In_ PVOID Module,
_In_ PCWSTR FilePath,
_In_ SIZE_T Size,
_In_ HANDLE Handle,
_In_opt_ PACTIVATION_CONTEXT ActCtx
);
// private
NTSYSAPI
NTSTATUS
NTAPI
LdrRemoveLoadAsDataTable(
_In_ PVOID InitModule,
_Out_opt_ PVOID *BaseModule,
_Out_opt_ PSIZE_T Size,
_In_ ULONG Flags
);
// private
NTSYSAPI
NTSTATUS
NTAPI
LdrGetFileNameFromLoadAsDataTable(
_In_ PVOID Module,
_Out_ PVOID *pFileNamePrt
);
#endif
NTSYSAPI
NTSTATUS
NTAPI
LdrDisableThreadCalloutsForDll(
_In_ PVOID DllImageBase
);
// Resources
NTSYSAPI
NTSTATUS
NTAPI
LdrAccessResource(
_In_ PVOID DllHandle,
_In_ PIMAGE_RESOURCE_DATA_ENTRY ResourceDataEntry,
_Out_opt_ PVOID *ResourceBuffer,
_Out_opt_ ULONG *ResourceLength
);
typedef struct _LDR_RESOURCE_INFO
{
ULONG_PTR Type;
ULONG_PTR Name;
ULONG_PTR Language;
} LDR_RESOURCE_INFO, *PLDR_RESOURCE_INFO;
#define RESOURCE_TYPE_LEVEL 0
#define RESOURCE_NAME_LEVEL 1
#define RESOURCE_LANGUAGE_LEVEL 2
#define RESOURCE_DATA_LEVEL 3
NTSYSAPI
NTSTATUS
NTAPI
LdrFindResource_U(
_In_ PVOID DllHandle,
_In_ PLDR_RESOURCE_INFO ResourceInfo,
_In_ ULONG Level,
_Out_ PIMAGE_RESOURCE_DATA_ENTRY *ResourceDataEntry
);
NTSYSAPI
NTSTATUS
NTAPI
LdrFindResourceEx_U(
_In_ ULONG Flags,
_In_ PVOID DllHandle,
_In_ PLDR_RESOURCE_INFO ResourceInfo,
_In_ ULONG Level,
_Out_ PIMAGE_RESOURCE_DATA_ENTRY *ResourceDataEntry
);
NTSYSAPI
NTSTATUS
NTAPI
LdrFindResourceDirectory_U(
_In_ PVOID DllHandle,
_In_ PLDR_RESOURCE_INFO ResourceInfo,
_In_ ULONG Level,
_Out_ PIMAGE_RESOURCE_DIRECTORY *ResourceDirectory
);
#if (PHNT_VERSION >= PHNT_WIN8)
/**
* The LdrResFindResource function finds a resource in a DLL.
*
* @param DllHandle A handle to the DLL.
* @param Type The type of the resource.
* @param Name The name of the resource.
* @param Language The language of the resource.
* @param ResourceBuffer An optional pointer to receive the resource buffer.
* @param ResourceLength An optional pointer to receive the resource length.
* @param CultureName An optional buffer to receive the culture name.
* @param CultureNameLength An optional pointer to receive the length of the culture name.
* @param Flags Flags for the resource search.
* @return NTSTATUS Successful or errant status.
*/
NTSYSAPI
NTSTATUS
NTAPI
LdrResFindResource(
_In_ PVOID DllHandle,
_In_ ULONG_PTR Type,
_In_ ULONG_PTR Name,
_In_ ULONG_PTR Language,
_Out_opt_ PVOID* ResourceBuffer,
_Out_opt_ PULONG ResourceLength,
_Out_writes_bytes_opt_(CultureNameLength) PVOID CultureName, // WCHAR buffer[6]
_Out_opt_ PULONG CultureNameLength,
_In_ ULONG Flags
);
/**
* The LdrResFindResourceDirectory function finds a resource directory in a DLL.
*
* @param DllHandle A handle to the DLL.
* @param Type The type of the resource.
* @param Name The name of the resource.
* @param ResourceDirectory An optional pointer to receive the resource directory.
* @param CultureName An optional buffer to receive the culture name.
* @param CultureNameLength An optional pointer to receive the length of the culture name.
* @param Flags Flags for the resource search.
* @return NTSTATUS Successful or errant status.
*/
NTSYSAPI
NTSTATUS
NTAPI
LdrResFindResourceDirectory(
_In_ PVOID DllHandle,
_In_ ULONG_PTR Type,
_In_ ULONG_PTR Name,
_Out_opt_ PIMAGE_RESOURCE_DIRECTORY* ResourceDirectory,
_Out_writes_bytes_opt_(CultureNameLength) PVOID CultureName, // WCHAR buffer[6]
_Out_opt_ PULONG CultureNameLength,
_In_ ULONG Flags
);
NTSYSAPI
NTSTATUS
NTAPI
LdrpResGetResourceDirectory(
_In_ PVOID DllHandle,
_In_ SIZE_T Size,
_In_ ULONG Flags,
_Out_opt_ PIMAGE_RESOURCE_DIRECTORY* ResourceDirectory,
_Out_ PIMAGE_NT_HEADERS* OutHeaders
);
/**
* The LdrResSearchResource function searches for a resource in a DLL.
*
* @param DllHandle A handle to the DLL.
* @param ResourceInfo A pointer to the resource information.
* @param Level The level of the resource.
* @param Flags Flags for the resource search.
* @param ResourceBuffer An optional pointer to receive the resource buffer.
* @param ResourceLength An optional pointer to receive the resource length.
* @param CultureName An optional buffer to receive the culture name.
* @param CultureNameLength An optional pointer to receive the length of the culture name.
* @return NTSTATUS Successful or errant status.
*/
NTSYSAPI
NTSTATUS
NTAPI
LdrResSearchResource(
_In_ PVOID DllHandle,
_In_ PLDR_RESOURCE_INFO ResourceInfo,
_In_ ULONG Level,
_In_ ULONG Flags,
_Out_opt_ PVOID* ResourceBuffer,
_Out_opt_ PSIZE_T ResourceLength,
_Out_writes_bytes_opt_(CultureNameLength) PVOID CultureName, // WCHAR buffer[6]
_Out_opt_ PULONG CultureNameLength
);
/**
* The LdrResGetRCConfig function retrieves the RC configuration for a DLL.
*
* @param DllHandle A handle to the DLL.
* @param Length The length of the configuration buffer.
* @param Config A buffer to receive the configuration.
* @param Flags Flags for the operation.
* @param AlternateResource Indicates if an alternate resource should be loaded.
* @return NTSTATUS Successful or errant status.
*/
NTSYSAPI
NTSTATUS
NTAPI
LdrResGetRCConfig(
_In_ PVOID DllHandle,
_In_opt_ SIZE_T Length,
_Out_writes_bytes_opt_(Length) PVOID Config,
_In_ ULONG Flags,
_In_ BOOLEAN AlternateResource // LdrLoadAlternateResourceModule
);
/**
* The LdrResRelease function releases a resource in a DLL.
*
* @param DllHandle A handle to the DLL.
* @param CultureNameOrId An optional culture name or ID.
* @param Flags Flags for the operation.
* @return NTSTATUS Successful or errant status.
*/
NTSYSAPI
NTSTATUS
NTAPI
LdrResRelease(
_In_ PVOID DllHandle,
_In_opt_ ULONG_PTR CultureNameOrId, // MAKEINTRESOURCE
_In_ ULONG Flags
);
#endif
// private
typedef struct _LDR_ENUM_RESOURCE_ENTRY
{
union
{
ULONG_PTR NameOrId;
PIMAGE_RESOURCE_DIRECTORY_STRING Name;
struct
{
USHORT Id;
USHORT NameIsPresent;
};
} Path[3];
PVOID Data;
ULONG Size;
ULONG Reserved;
} LDR_ENUM_RESOURCE_ENTRY, *PLDR_ENUM_RESOURCE_ENTRY;
#define NAME_FROM_RESOURCE_ENTRY(RootDirectory, Entry) \
((Entry)->NameIsString ? (ULONG_PTR)((ULONG_PTR)(RootDirectory) + (ULONG_PTR)((Entry)->NameOffset)) : (Entry)->Id)
NTSYSAPI
NTSTATUS
NTAPI
LdrEnumResources(
_In_ PVOID DllHandle,
_In_ PLDR_RESOURCE_INFO ResourceInfo,
_In_ ULONG Level,
_Inout_ ULONG *ResourceCount,
_Out_writes_to_opt_(*ResourceCount, *ResourceCount) PLDR_ENUM_RESOURCE_ENTRY Resources
);
NTSYSAPI
NTSTATUS
NTAPI
LdrFindEntryForAddress(
_In_ PVOID DllHandle,
_Out_ PLDR_DATA_TABLE_ENTRY *Entry
);
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrLoadAlternateResourceModule(
_In_ PVOID DllHandle,
_Out_ PVOID *ResourceDllBase,
_Out_opt_ ULONG_PTR *ResourceOffset,
_In_ ULONG Flags
);
// rev
NTSYSAPI
NTSTATUS
NTAPI
LdrLoadAlternateResourceModuleEx(
_In_ PVOID DllHandle,
_In_ LANGID LanguageId,
_Out_ PVOID *ResourceDllBase,
_Out_opt_ ULONG_PTR *ResourceOffset,
_In_ ULONG Flags
);
// rev
NTSYSAPI
BOOLEAN
NTAPI
LdrUnloadAlternateResourceModule(
_In_ PVOID DllHandle
);