Source code of Windows XP (NT5)
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137 lines
2.6 KiB

/*++
Copyright (c) 2000 Microsoft Corporation
Module Name:
Win2000VersionLie.cpp
Abstract:
This DLL hooks GetVersion and GetVersionEx so that they return Windows 2000
version credentials.
Notes:
This is a general purpose shim.
History:
03/13/2000 clupu Created
--*/
#include "precomp.h"
IMPLEMENT_SHIM_BEGIN(Win2000VersionLie)
#include "ShimHookMacro.h"
APIHOOK_ENUM_BEGIN
APIHOOK_ENUM_ENTRY(GetVersionExA)
APIHOOK_ENUM_ENTRY(GetVersionExW)
APIHOOK_ENUM_ENTRY(GetVersion)
APIHOOK_ENUM_END
/*++
This stub function fixes up the OSVERSIONINFO structure that is
returned to the caller with Windows 95 credentials.
--*/
BOOL
APIHOOK(GetVersionExA)(
OUT LPOSVERSIONINFOA lpVersionInformation
)
{
BOOL bReturn = FALSE;
if (ORIGINAL_API(GetVersionExA)(lpVersionInformation)) {
LOGN(
eDbgLevelInfo,
"[GetVersionExA] called. return Win2k.");
//
// Fixup the structure with the Win2k data.
//
lpVersionInformation->dwMajorVersion = 5;
lpVersionInformation->dwMinorVersion = 0;
lpVersionInformation->dwBuildNumber = 2195;
lpVersionInformation->dwPlatformId = VER_PLATFORM_WIN32_NT;
*lpVersionInformation->szCSDVersion = '\0';
bReturn = TRUE;
}
return bReturn;
}
/*++
This stub function fixes up the OSVERSIONINFO structure that is
returned to the caller with Windows 95 credentials. This is the
wide-character version of GetVersionExW.
--*/
BOOL
APIHOOK(GetVersionExW)(
OUT LPOSVERSIONINFOW lpVersionInformation
)
{
BOOL bReturn = FALSE;
if (ORIGINAL_API(GetVersionExW)(lpVersionInformation)) {
LOGN(
eDbgLevelInfo,
"[GetVersionExW] called. return Win2k.");
//
// Fixup the structure with the Win2k data.
//
lpVersionInformation->dwMajorVersion = 5;
lpVersionInformation->dwMinorVersion = 0;
lpVersionInformation->dwBuildNumber = 2195;
lpVersionInformation->dwPlatformId = VER_PLATFORM_WIN32_NT;
*lpVersionInformation->szCSDVersion = L'\0';
bReturn = TRUE;
}
return bReturn;
}
/*++
This stub function returns Windows 95 credentials.
--*/
DWORD
APIHOOK(GetVersion)(
void
)
{
LOGN(
eDbgLevelInfo,
"[GetVersion] called. return Win2k.");
return (DWORD)0x08930005;
}
/*++
Register hooked functions
--*/
HOOK_BEGIN
APIHOOK_ENTRY(KERNEL32.DLL, GetVersionExA)
APIHOOK_ENTRY(KERNEL32.DLL, GetVersionExW)
APIHOOK_ENTRY(KERNEL32.DLL, GetVersion)
HOOK_END
IMPLEMENT_SHIM_END