#include "precomp.h"
#include <ndk/ldrtypes.h>
#include <ndk/ldrfuncs.h>
#include "ntverrsrc.h"
#include <debug.h>

Include dependency graph for ntverrsrc.c:

Go to the source code of this file.

Classes
struct	_VS_VERSION_INFO_STRUCT32

Macros
#define	NDEBUG

#define	MAKEINTRESOURCE(i) ((ULONG_PTR)(USHORT)(i))

#define	RT_VERSION MAKEINTRESOURCE(16)

#define	VS_VERSION_INFO 1

#define	VS_FILE_INFO RT_VERSION

#define	DWORD_ALIGN(base, ptr) ( (ULONG_PTR)(base) + ((((ULONG_PTR)(ptr) - (ULONG_PTR)(base)) + 3) & ~3) )

#define	VersionInfo32_Value(ver) DWORD_ALIGN( (ver), (ver)->szKey + wcslen((ver)->szKey) + 1 )

#define	VersionInfo32_Children(ver)

#define	VersionInfo32_Next(ver) (PVS_VERSION_INFO_STRUCT32)( (ULONG_PTR)ver + (((ver)->wLength + 3) & ~3) )

Typedefs
typedef struct _VS_VERSION_INFO_STRUCT32	VS_VERSION_INFO_STRUCT32

typedef struct _VS_VERSION_INFO_STRUCT32 *	PVS_VERSION_INFO_STRUCT32

typedef const VS_VERSION_INFO_STRUCT32 *	PCVS_VERSION_INFO_STRUCT32

Functions
NTSTATUS	NtGetVersionResource (IN PVOID BaseAddress, OUT PVOID *Resource, OUT PULONG ResourceSize OPTIONAL)

static PCVS_VERSION_INFO_STRUCT32	VersionInfo32_FindChild (IN PCVS_VERSION_INFO_STRUCT32 info, IN PCWSTR szKey, IN UINT cchKey)

static NTSTATUS	VersionInfo32_QueryValue (IN PCVS_VERSION_INFO_STRUCT32 info, IN PCWSTR lpSubBlock, OUT PVOID lplpBuffer, OUT PUINT puLen OPTIONAL, OUT BOOL pbText OPTIONAL)

NTSTATUS	NtVerQueryValue (IN const VOID pBlock, IN PCWSTR lpSubBlock, OUT PVOID lplpBuffer, OUT PUINT puLen)

Macro Definition Documentation

◆ DWORD_ALIGN

#define DWORD_ALIGN	(	base,
		ptr
	)	( (ULONG_PTR)(base) + ((((ULONG_PTR)(ptr) - (ULONG_PTR)(base)) + 3) & ~3) )

Definition at line 90 of file ntverrsrc.c.

◆ MAKEINTRESOURCE

#define MAKEINTRESOURCE ( i ) ((ULONG_PTR)(USHORT)(i))

Definition at line 25 of file ntverrsrc.c.

◆ NDEBUG

#define NDEBUG

Definition at line 19 of file ntverrsrc.c.

◆ RT_VERSION

#define RT_VERSION MAKEINTRESOURCE(16)

Definition at line 26 of file ntverrsrc.c.

◆ VersionInfo32_Children

#define VersionInfo32_Children ( ver )

Value:

    (PCVS_VERSION_INFO_STRUCT32)( VersionInfo32_Value( ver ) + \
                           ( ( (ver)->wValueLength * \
                               ((ver)->wType? 2 : 1) + 3 ) & ~3 ) )

Definition at line 96 of file ntverrsrc.c.

◆ VersionInfo32_Next

#define VersionInfo32_Next ( ver ) (PVS_VERSION_INFO_STRUCT32)( (ULONG_PTR)ver + (((ver)->wLength + 3) & ~3) )

Definition at line 101 of file ntverrsrc.c.

◆ VersionInfo32_Value

#define VersionInfo32_Value ( ver ) DWORD_ALIGN( (ver), (ver)->szKey + wcslen((ver)->szKey) + 1 )

Definition at line 93 of file ntverrsrc.c.

◆ VS_FILE_INFO

#define VS_FILE_INFO RT_VERSION

Definition at line 28 of file ntverrsrc.c.

◆ VS_VERSION_INFO

#define VS_VERSION_INFO 1

Definition at line 27 of file ntverrsrc.c.

Typedef Documentation

◆ PCVS_VERSION_INFO_STRUCT32

typedef const VS_VERSION_INFO_STRUCT32* PCVS_VERSION_INFO_STRUCT32

Definition at line 88 of file ntverrsrc.c.

◆ PVS_VERSION_INFO_STRUCT32

typedef struct _VS_VERSION_INFO_STRUCT32 * PVS_VERSION_INFO_STRUCT32

◆ VS_VERSION_INFO_STRUCT32

typedef struct _VS_VERSION_INFO_STRUCT32 VS_VERSION_INFO_STRUCT32

Function Documentation

◆ NtGetVersionResource()

NTSTATUS NtGetVersionResource	(	IN PVOID	BaseAddress,
		OUT PVOID *	Resource,
		OUT PULONG ResourceSize	OPTIONAL
	)

Definition at line 31 of file ntverrsrc.c.

{
    NTSTATUS Status;
    LDR_RESOURCE_INFO ResourceInfo;
    PIMAGE_RESOURCE_DATA_ENTRY ResourceDataEntry;
    PVOID Data = NULL;
    ULONG Size = 0;
 
    /* Try to find the resource (language-neutral) */
    ResourceInfo.Type = RT_VERSION;
    ResourceInfo.Name = VS_VERSION_INFO;
    ResourceInfo.Language = MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL);
 
    Status = LdrFindResource_U(BaseAddress,
                               &ResourceInfo,
                               RESOURCE_DATA_LEVEL,
                               &ResourceDataEntry);
    if (!NT_SUCCESS(Status))
    {
        DPRINT1("NtGetVersionResource: Version resource not found, Status 0x%08lx\n", Status);
        return Status;
    }
 
    /* Access the resource */
    Status = LdrAccessResource(BaseAddress,
                               ResourceDataEntry,
                               &Data,
                               &Size);
    if (!NT_SUCCESS(Status))
    {
        DPRINT1("NtGetVersionResource: Cannot access Version resource, Status 0x%08lx\n", Status);
        return Status;
    }
 
    *Resource = Data;
    if (ResourceSize) *ResourceSize = Size;
 
    return STATUS_SUCCESS;
}

Referenced by CheckForValidPEAndVendor().

◆ NtVerQueryValue()

NTSTATUS NtVerQueryValue	(	IN const VOID *	pBlock,
		IN PCWSTR	lpSubBlock,
		OUT PVOID *	lplpBuffer,
		OUT PUINT	puLen
	)

Definition at line 175 of file ntverrsrc.c.

{
    PCVS_VERSION_INFO_STRUCT32 info = pBlock;
 
    DPRINT("%s (%p, %S, %p, %p)\n", __FUNCTION__, pBlock, lpSubBlock, lplpBuffer, puLen);
 
    if (!pBlock)
        return FALSE;
 
    if (!lpSubBlock || !*lpSubBlock)
        lpSubBlock = L"\\";
 
    return VersionInfo32_QueryValue(info, lpSubBlock, lplpBuffer, puLen, NULL);
}

Referenced by CheckForValidPEAndVendor().

◆ VersionInfo32_FindChild()

static PCVS_VERSION_INFO_STRUCT32 VersionInfo32_FindChild	(	IN PCVS_VERSION_INFO_STRUCT32	info,
		IN PCWSTR	szKey,
		IN UINT	cchKey
	)

static

Definition at line 105 of file ntverrsrc.c.

{
    PCVS_VERSION_INFO_STRUCT32 child = VersionInfo32_Children(info);
 
    while ((ULONG_PTR)child < (ULONG_PTR)info + info->wLength)
    {
        if (!_wcsnicmp(child->szKey, szKey, cchKey) && !child->szKey[cchKey])
            return child;
 
        if (child->wLength == 0) return NULL;
        child = VersionInfo32_Next(child);
    }
 
    return NULL;
}

Referenced by VersionInfo32_QueryValue().

◆ VersionInfo32_QueryValue()

static NTSTATUS VersionInfo32_QueryValue	(	IN PCVS_VERSION_INFO_STRUCT32	info,
		IN PCWSTR	lpSubBlock,
		OUT PVOID *	lplpBuffer,
		OUT PUINT puLen	OPTIONAL,
		OUT BOOL *pbText	OPTIONAL
	)