#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	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 89 of file ntverrsrc.c.

◆ NDEBUG

#define NDEBUG

Definition at line 19 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 95 of file ntverrsrc.c.

◆ VersionInfo32_Next

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

Definition at line 100 of file ntverrsrc.c.

◆ VersionInfo32_Value

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

Definition at line 92 of file ntverrsrc.c.

◆ VS_FILE_INFO

#define VS_FILE_INFO RT_VERSION

◆ VS_VERSION_INFO

#define VS_VERSION_INFO 1

Typedef Documentation

◆ PCVS_VERSION_INFO_STRUCT32

typedef const VS_VERSION_INFO_STRUCT32* PCVS_VERSION_INFO_STRUCT32

Definition at line 87 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 26 of file ntverrsrc.c.

{
// #define RT_VERSION MAKEINTRESOURCE(16)  // See winuser.h
#define VS_VERSION_INFO         1       // See psdk/verrsrc.h
#define VS_FILE_INFO            RT_VERSION
 
    NTSTATUS Status;
    LDR_RESOURCE_INFO ResourceInfo;
    PIMAGE_RESOURCE_DATA_ENTRY ResourceDataEntry;
    PVOID Data = NULL;
    ULONG Size = 0;
 
    /* Try to find the resource */
    ResourceInfo.Type = 16; // RT_VERSION;
    ResourceInfo.Name = VS_VERSION_INFO; // MAKEINTRESOURCEW(VS_VERSION_INFO);
    ResourceInfo.Language = 0; // Don't care about the language
 
    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 174 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 104 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
	)