mimikatz/modules/kull_m_string.c

698 lines
18 KiB
C

/* Benjamin DELPY `gentilkiwi`
https://blog.gentilkiwi.com
benjamin@gentilkiwi.com
Licence : https://creativecommons.org/licenses/by/4.0/
*/
#include "kull_m_string.h"
//BOOL kull_m_string_suspectUnicodeStringStructure(IN PUNICODE_STRING pUnicodeString)
//{
// return (
// pUnicodeString->Length &&
// !((pUnicodeString->Length & 1) || (pUnicodeString->MaximumLength & 1)) &&
// (pUnicodeString->Length < sizeof(wchar_t)*0xff) &&
// (pUnicodeString->Length <= pUnicodeString->MaximumLength) &&
// ((pUnicodeString->MaximumLength - pUnicodeString->Length) < 4*sizeof(wchar_t)) &&
// pUnicodeString->Buffer
// );
//}
BOOL kull_m_string_suspectUnicodeString(IN PUNICODE_STRING pUnicodeString)
{
int unicodeTestFlags = IS_TEXT_UNICODE_STATISTICS;
return ((pUnicodeString->Length == sizeof(wchar_t)) && IsCharAlphaNumeric(pUnicodeString->Buffer[0])) || IsTextUnicode(pUnicodeString->Buffer, pUnicodeString->Length, &unicodeTestFlags);
}
void kull_m_string_printSuspectUnicodeString(PVOID data, DWORD size)
{
UNICODE_STRING uString = {(USHORT) size, (USHORT) size, (LPWSTR) data};
if(kull_m_string_suspectUnicodeString(&uString))
kprintf(L"%wZ", &uString);
else kull_m_string_wprintf_hex(uString.Buffer, uString.Length, 1);
}
void kull_m_string_MakeRelativeOrAbsoluteString(PVOID BaseAddress, PLSA_UNICODE_STRING String, BOOL relative)
{
if(String->Buffer)
String->Buffer = (PWSTR) ((ULONG_PTR)(String->Buffer) + ((relative ? -1 : 1) * (ULONG_PTR)(BaseAddress)));
}
BOOL kull_m_string_copyUnicodeStringBuffer(PUNICODE_STRING pSource, PUNICODE_STRING pDestination)
{
BOOL status = FALSE;
if(pSource && pDestination && pSource->MaximumLength && pSource->Buffer)
{
*pDestination = *pSource;
if(pDestination->Buffer = (PWSTR) LocalAlloc(LPTR, pSource->MaximumLength))
{
status = TRUE;
RtlCopyMemory(pDestination->Buffer, pSource->Buffer, pSource->MaximumLength);
}
}
return status;
}
void kull_m_string_freeUnicodeStringBuffer(PUNICODE_STRING pString)
{
if(pString && pString->Buffer)
pString->Buffer = (PWSTR) LocalFree(pString->Buffer);
}
wchar_t * kull_m_string_qad_ansi_to_unicode(const char * ansi)
{
wchar_t * buffer = NULL;
if(ansi)
buffer = kull_m_string_qad_ansi_c_to_unicode(ansi, strlen(ansi));
return buffer;
}
wchar_t * kull_m_string_qad_ansi_c_to_unicode(const char * ansi, SIZE_T szStr)
{
wchar_t * buffer = NULL;
SIZE_T i;
if(ansi && szStr)
if(buffer = (wchar_t *) LocalAlloc(LPTR, (szStr + 1) * sizeof(wchar_t)))
for(i = 0; i < szStr; i++)
buffer[i] = ansi[i];
return buffer;
}
char * kull_m_string_unicode_to_ansi(const wchar_t * unicode)
{
int needed;
char * buffer = NULL;
if(needed = WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, unicode, -1, NULL, 0, NULL, NULL))
if(buffer = (char *) LocalAlloc(LPTR, needed))
if(needed != WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, unicode, -1, buffer, needed, NULL, NULL))
buffer = (char *) LocalFree(buffer);
return buffer;
}
BOOL kull_m_string_stringToHex(IN LPCWCHAR string, IN LPBYTE hex, IN DWORD size)
{
DWORD i, j;
BOOL result = (wcslen(string) == (size * 2));
if(result)
{
for(i = 0; i < size; i++)
{
swscanf_s(&string[i*2], L"%02x", &j);
hex[i] = (BYTE) j;
}
}
return result;
}
BOOL kull_m_string_stringToHexBuffer(IN LPCWCHAR string, IN LPBYTE *hex, IN DWORD *size)
{
BOOL result = FALSE;
*size = (DWORD) wcslen(string);
if(!(*size % 2))
{
*size >>= 1;
if(*hex = (PBYTE) LocalAlloc(LPTR, *size))
{
result = kull_m_string_stringToHex(string, *hex, *size);
if(!result)
{
*hex = (PBYTE) LocalFree(*hex);
*size = 0;
}
}
}
return result;
}
PCWCHAR WPRINTF_TYPES[] =
{
L"%02x", // WPRINTF_HEX_SHORT
L"%02x ", // WPRINTF_HEX_SPACE
L"0x%02x, ", // WPRINTF_HEX_C
L"\\x%02x", // WPRINTF_HEX_PYTHON
L"%02X", // WPRINTF_HEX_SHORT_CAP
};
void kull_m_string_wprintf_hex(LPCVOID lpData, DWORD cbData, DWORD flags)
{
DWORD i, sep = flags >> 16;
PCWCHAR pType = WPRINTF_TYPES[flags & 0x0000000f];
if((flags & 0x0000000f) == 2)
kprintf(L"\nBYTE data[] = {\n\t");
for(i = 0; i < cbData; i++)
{
kprintf(pType, ((LPCBYTE) lpData)[i]);
if(sep && !((i+1) % sep))
{
kprintf(L"\n");
if((flags & 0x0000000f) == 2)
kprintf(L"\t");
}
}
if((flags & 0x0000000f) == 2)
kprintf(L"\n};\n");
}
__time32_t kull_m_string_get_time32(__time32_t * _Time)
{
__time32_t ret;
FILETIME SystemTimeAsFileTime;
GetSystemTimeAsFileTime(&SystemTimeAsFileTime);
ret = (__time32_t) (*(PLONGLONG) &SystemTimeAsFileTime - 116444736000000000) / 10000000;
if(_Time)
*_Time = ret;
return ret;
}
void kull_m_string_displayFileTime(IN PFILETIME pFileTime)
{
SYSTEMTIME st;
wchar_t buffer[0xff];
if(pFileTime)
{
if(FileTimeToSystemTime(pFileTime, &st ))
{
if(GetDateFormat(LOCALE_USER_DEFAULT, 0, &st, NULL, buffer, ARRAYSIZE(buffer)))
{
kprintf(L"%s ", buffer);
if(GetTimeFormat(LOCALE_USER_DEFAULT, 0, &st, NULL, buffer, ARRAYSIZE(buffer)))
kprintf(L"%s", buffer);
}
}
}
}
void kull_m_string_displayLocalFileTime(IN PFILETIME pFileTime)
{
FILETIME ft;
if(pFileTime)
if(FileTimeToLocalFileTime(pFileTime, &ft))
kull_m_string_displayFileTime(&ft);
}
BOOL kull_m_string_FileTimeToString(IN PFILETIME pFileTime, OUT WCHAR string[14 + 1])
{
BOOL status = FALSE;
FILETIME ft;
SYSTEMTIME st;
if(pFileTime)
if(FileTimeToLocalFileTime(pFileTime, &ft))
if(FileTimeToSystemTime(&ft, &st))
if(GetDateFormat(LOCALE_USER_DEFAULT, 0, &st, L"yyyyMMdd", string, 8 + 1))
status = GetTimeFormat(LOCALE_USER_DEFAULT, 0, &st, L"HHmmss", string + 8, 6 + 1);
return status;
}
void kull_m_string_displayGUID(IN LPCGUID pGuid)
{
UNICODE_STRING uString;
if(NT_SUCCESS(RtlStringFromGUID(pGuid, &uString)))
{
kprintf(L"%wZ", &uString);
RtlFreeUnicodeString(&uString);
}
}
void kull_m_string_displaySID(IN PSID pSid)
{
LPWSTR stringSid;
if(ConvertSidToStringSid(pSid, &stringSid))
{
kprintf(L"%s", stringSid);
LocalFree(stringSid);
}
else PRINT_ERROR_AUTO(L"ConvertSidToStringSid");
}
#if !defined(MIMIKATZ_W2000_SUPPORT)
PWSTR kull_m_string_getRandomGUID()
{
UNICODE_STRING uString;
GUID guid;
PWSTR buffer = NULL;
if(NT_SUCCESS(UuidCreate(&guid)))
{
if(NT_SUCCESS(RtlStringFromGUID(&guid, &uString)))
{
if(buffer = (PWSTR) LocalAlloc(LPTR, uString.MaximumLength))
RtlCopyMemory(buffer, uString.Buffer, uString.MaximumLength);
RtlFreeUnicodeString(&uString);
}
}
return buffer;
}
#endif
void kull_m_string_ptr_replace(PVOID ptr, DWORD64 size)
{
PVOID tempPtr = NULL;
if(size)
if(tempPtr = LocalAlloc(LPTR, (SIZE_T) size))
RtlCopyMemory(tempPtr, *(PVOID *) ptr, (size_t) size);
*(PVOID *) ptr = tempPtr;
}
BOOL kull_m_string_args_byName(const int argc, const wchar_t * argv[], const wchar_t * name, const wchar_t ** theArgs, const wchar_t * defaultValue)
{
BOOL result = FALSE;
const wchar_t *pArgName, *pSeparator;
SIZE_T argLen, nameLen = wcslen(name);
int i;
for(i = 0; i < argc; i++)
{
if((wcslen(argv[i]) > 1) && ((argv[i][0] == L'/') || (argv[i][0] == L'-')))
{
pArgName = argv[i] + 1;
if(!(pSeparator = wcschr(argv[i], L':')))
pSeparator = wcschr(argv[i], L'=');
argLen = (pSeparator) ? (pSeparator - pArgName) : wcslen(pArgName);
if((argLen == nameLen) && _wcsnicmp(name, pArgName, argLen) == 0)
{
if(theArgs)
{
if(pSeparator)
{
*theArgs = pSeparator + 1;
result = *theArgs[0] != L'\0';
}
}
else
result = TRUE;
break;
}
}
}
if(!result && theArgs)
{
if(defaultValue)
{
*theArgs = defaultValue;
result = TRUE;
}
else *theArgs = NULL;
}
return result;
}
BOOL kull_m_string_args_bool_byName(int argc, wchar_t * argv[], LPCWSTR name, PBOOL value) // TRUE when name exist (not value related)
{
BOOL status = FALSE;
LPCWSTR szData;
if(status = kull_m_string_args_byName(argc, argv, name, &szData, NULL))
{
if((_wcsicmp(szData, L"on") == 0) || (_wcsicmp(szData, L"true") == 0) || (_wcsicmp(szData, L"1") == 0))
*value = TRUE;
else if((_wcsicmp(szData, L"off") == 0) || (_wcsicmp(szData, L"false") == 0) || (_wcsicmp(szData, L"0") == 0))
*value = FALSE;
else PRINT_ERROR(L"%s argument need on/true/1 or off/false/0\n", name);
}
return status;
}
BOOL kull_m_string_copy_len(LPWSTR *dst, LPCWSTR src, size_t size)
{
BOOL status = FALSE;
if(src && dst && size)
{
size = (size + 1) * sizeof(wchar_t);
if(*dst = (LPWSTR) LocalAlloc(LPTR, size))
{
RtlCopyMemory(*dst, src, size);
status = TRUE;
}
}
return status;
}
BOOL kull_m_string_copy(LPWSTR *dst, LPCWSTR src)
{
BOOL status = FALSE;
size_t size;
if(src && dst && (size = wcslen(src)))
status = kull_m_string_copy_len(dst, src, size);
return status;
}
BOOL kull_m_string_copyA_len(LPSTR *dst, LPCSTR src, size_t size)
{
BOOL status = FALSE;
if(src && dst && size)
{
size = (size + 1) * sizeof(char);
if(*dst = (LPSTR) LocalAlloc(LPTR, size))
{
RtlCopyMemory(*dst, src, size);
status = TRUE;
}
}
return status;
}
BOOL kull_m_string_copyA(LPSTR *dst, LPCSTR src)
{
BOOL status = FALSE;
size_t size;
if(src && dst && (size = strlen(src)))
status = kull_m_string_copyA_len(dst, src, size);
return status;
}
BOOL kull_m_string_quickxml_simplefind(LPCWSTR xml, LPCWSTR node, LPWSTR *dst)
{
BOOL status = FALSE;
DWORD lenNode, lenBegin, lenEnd;
LPWSTR begin, end, curBeg, curEnd;
lenNode = (DWORD) wcslen(node) * sizeof(wchar_t);
lenBegin = lenNode + 3 * sizeof(wchar_t);
lenEnd = lenNode + 4 * sizeof(wchar_t);
if(begin = (LPWSTR) LocalAlloc(LPTR, lenBegin))
{
if(end = (LPWSTR) LocalAlloc(LPTR, lenEnd))
{
begin[0] = end[0] = L'<';
end[1] = L'/';
begin[lenBegin / sizeof(wchar_t) - 2] = end[lenEnd / sizeof(wchar_t) - 2] = L'>';
RtlCopyMemory(begin + 1, node, lenNode);
RtlCopyMemory(end + 2, node, lenNode);
if(curBeg = wcsstr(xml, begin))
{
curBeg += lenBegin / sizeof(wchar_t) - 1;
if(curEnd = wcsstr(curBeg, end))
{
if(status = (curBeg <= curEnd))
{
lenNode = (DWORD) (curEnd - curBeg) * sizeof(wchar_t);
if((*dst) = (LPWSTR) LocalAlloc(LPTR, lenNode + sizeof(wchar_t)))
{
RtlCopyMemory(*dst, curBeg, lenNode);
}
}
}
}
LocalFree(end);
}
LocalFree(begin);
}
return status;
}
#if !defined(MIMIKATZ_W2000_SUPPORT)
BOOL kull_m_string_quick_base64_to_Binary(PCWSTR base64, PBYTE *data, DWORD *szData)
{
BOOL status = FALSE;
*data = NULL;
*szData = 0;
if(CryptStringToBinary(base64, 0, CRYPT_STRING_BASE64, NULL, szData, NULL, NULL))
{
if(*data = (PBYTE) LocalAlloc(LPTR, *szData))
{
status = CryptStringToBinary(base64, 0, CRYPT_STRING_BASE64, *data, szData, NULL, NULL);
if(!status)
*data = (PBYTE) LocalFree(*data);
}
}
return status;
}
BOOL kull_m_string_quick_base64_to_BinaryA(PCSTR base64, PBYTE *data, DWORD *szData)
{
BOOL status = FALSE;
*data = NULL;
*szData = 0;
if(CryptStringToBinaryA(base64, 0, CRYPT_STRING_BASE64, NULL, szData, NULL, NULL))
{
if(*data = (PBYTE) LocalAlloc(LPTR, *szData))
{
status = CryptStringToBinaryA(base64, 0, CRYPT_STRING_BASE64, *data, szData, NULL, NULL);
if(!status)
*data = (PBYTE) LocalFree(*data);
}
}
return status;
}
BOOL kull_m_string_quick_urlsafe_base64_to_Binary(PCWSTR badBase64, PBYTE *data, DWORD *szData)
{
BOOL status = FALSE;
DWORD cbLen = lstrlen(badBase64), cbPad = cbLen % 4, i;
PWSTR fixedB64;
if(fixedB64 = (PWSTR) LocalAlloc(LPTR, (cbLen + cbPad + 1) * sizeof(wchar_t)))
{
RtlCopyMemory(fixedB64, badBase64, cbLen * sizeof(wchar_t));
for(i = 0; i < cbLen; i++)
{
if(fixedB64[i] == L'-')
fixedB64[i] = L'+';
else if(fixedB64[i] == L'_')
fixedB64[i] = L'/';
else if(fixedB64[i] == L'\0')
fixedB64[i] = L'=';
}
status = kull_m_string_quick_base64_to_Binary(fixedB64, data, szData);
LocalFree(fixedB64);
}
return status;
}
BOOL kull_m_string_quick_urlsafe_base64_to_BinaryA(PCSTR badBase64, PBYTE *data, DWORD *szData)
{
BOOL status = FALSE;
DWORD cbLen = lstrlenA(badBase64), cbPad = cbLen % 4, i;
PSTR fixedB64;
if(fixedB64 = (PSTR) LocalAlloc(LPTR, (cbLen + cbPad + 1)))
{
RtlCopyMemory(fixedB64, badBase64, cbLen);
for(i = 0; i < cbLen; i++)
{
if(fixedB64[i] == '-')
fixedB64[i] = '+';
else if(fixedB64[i] == '_')
fixedB64[i] = '/';
else if(fixedB64[i] == '\0')
fixedB64[i] = '=';
}
status = kull_m_string_quick_base64_to_BinaryA(fixedB64, data, szData);
LocalFree(fixedB64);
}
return status;
}
BOOL kull_m_string_quick_binary_to_base64A(const BYTE *pbData, const DWORD cbData, LPSTR *base64)
{
BOOL status = FALSE;
DWORD dwBytesWritten = 0;
if(CryptBinaryToStringA(pbData, cbData, CRYPT_STRING_BASE64 | CRYPT_STRING_NOCRLF, NULL, &dwBytesWritten))
{
if(*base64 = (LPSTR) LocalAlloc(LPTR, dwBytesWritten))
{
status = CryptBinaryToStringA(pbData, cbData, CRYPT_STRING_BASE64 | CRYPT_STRING_NOCRLF, *base64, &dwBytesWritten);
if(!status)
*base64 = (LPSTR) LocalFree(*base64);
}
}
return status;
}
BOOL kull_m_string_quick_binary_to_urlsafe_base64A(const BYTE *pbData, const DWORD cbData, LPSTR *badBase64)
{
BOOL status = FALSE;
DWORD cbLen, i;
status = kull_m_string_quick_binary_to_base64A(pbData, cbData, badBase64);
if(status)
{
cbLen = lstrlenA(*badBase64);
for(i = 0; i < cbLen; i++)
{
if((*badBase64)[i] == '+')
(*badBase64)[i] = '-';
else if((*badBase64)[i] == '/')
(*badBase64)[i] = '_';
else if((*badBase64)[i] == '=')
(*badBase64)[i] = '\0';
}
}
return status;
}
BOOL kull_m_string_EncodeB64_headersA(LPCSTR type, const PBYTE pbData, const DWORD cbData, LPSTR *out)
{
BOOL status = FALSE;
DWORD dwBytesWritten = 0;
LPSTR base64;
if(CryptBinaryToStringA(pbData, cbData, CRYPT_STRING_BASE64 | CRYPT_STRING_NOCR, NULL, &dwBytesWritten))
{
if(base64 = (LPSTR) LocalAlloc(LPTR, dwBytesWritten))
{
if(CryptBinaryToStringA(pbData, cbData, CRYPT_STRING_BASE64 | CRYPT_STRING_NOCR, base64, &dwBytesWritten))
status = kull_m_string_sprintfA(out, "-----BEGIN %s-----\n%s-----END %s-----\n", type, base64, type);
LocalFree(base64);
}
}
return status;
}
#endif
BOOL kull_m_string_sprintf(PWSTR *outBuffer, PCWSTR format, ...)
{
BOOL status = FALSE;
int varBuf;
va_list args;
va_start(args, format);
varBuf = _vscwprintf(format, args);
if(varBuf > 0)
{
varBuf++;
if(*outBuffer = (PWSTR) LocalAlloc(LPTR, varBuf * sizeof(wchar_t)))
{
varBuf = vswprintf_s(*outBuffer, varBuf, format, args);
if(varBuf > 0)
status = TRUE;
else *outBuffer = (PWSTR) LocalFree(outBuffer);
}
}
return status;
}
BOOL kull_m_string_sprintfA(PSTR *outBuffer, PCSTR format, ...)
{
BOOL status = FALSE;
int varBuf;
va_list args;
va_start(args, format);
varBuf = _vscprintf(format, args);
if(varBuf > 0)
{
varBuf++;
if(*outBuffer = (PSTR) LocalAlloc(LPTR, varBuf * sizeof(char)))
{
varBuf = vsprintf_s(*outBuffer, varBuf, format, args);
if(varBuf > 0)
status = TRUE;
else *outBuffer = (PSTR) LocalFree(outBuffer);
}
}
return status;
}
const KIWI_DATETIME_FORMATS STRING_TO_FILETIME_FORMATS[] = {
{L"%hu/%hu/%hu %hu:%hu:%hu", 4, 1, 2, 3, 4, 5, 6}, // 2014/12/31 12(:34:56)
{L"%hu/%hu/%hu %hu:%hu:%hu", 4, 3, 2, 1, 4, 5, 6}, // 31/12/2014 12(:34:56)
{L"%hu-%hu-%hu %hu:%hu:%hu", 4, 1, 2, 3, 4, 5, 6}, // 2014-12-31 12(:34:56)
{L"%hu/%hu %hu:%hu:%hu", 3, 0, 2, 1, 3, 4, 5}, // 12/2014 12(:34:56)
{L"%hu-%hu %hu:%hu:%hu", 3, 0, 1, 2, 3, 4, 5}, // 12-31 12(:34:56)
{L"%hu %hu:%hu:%hu", 2, 0, 0, 1, 2, 3, 4}, // 31 12(:34:56)
{L"%hu:%hu:%hu", 2, 0, 0, 0, 1, 2, 3}, // 12:34(:56)
{L"%hu/%hu/%hu", 2, 1, 2, 3, 0, 0, 0}, // 2014/12(/31)
{L"%hu/%hu/%hu", 2, 3, 2, 1, 0, 0, 0}, // 31/12(/2014)
{L"%hu-%hu-%hu", 2, 1, 2, 3, 0, 0, 0}, // 2014-12(-31)
{L"%hu/%hu", 2, 2, 1, 0, 0, 0, 0}, // 12/2014
{L"%hu-%hu", 2, 0, 1, 2, 0, 0, 0}, // 12-31
};
BOOL kull_m_string_stringToFileTime(LPCWSTR string, PFILETIME filetime)
{
BOOL status = FALSE;
const KIWI_DATETIME_FORMATS * cur;
SYSTEMTIME st;
FILETIME ft, lft;
LONGLONG diff;
WORD i, data[6] = {0};
int ret;
for(i = 0; (i < ARRAYSIZE(STRING_TO_FILETIME_FORMATS)) && !status; i++)
{
cur = STRING_TO_FILETIME_FORMATS + i;
RtlZeroMemory(data, sizeof(data));
ret = swscanf_s(string, cur->format, data + 0, data + 1, data + 2, data + 3, data + 4, data + 5);
if(ret >=cur->minFields)
{
if(cur->idxYear && (cur->idxYear <= ret))
{
status = data[cur->idxYear - 1] >= 1900;
if(!status)
continue;
}
if(cur->idxMonth && (cur->idxMonth <= ret))
{
status = data[cur->idxMonth - 1] <= 12;
if(!status)
continue;
}
if(cur->idxDay && (cur->idxDay <= ret))
{
status = data[cur->idxDay - 1] <= 31;
if(!status)
continue;
}
if(cur->idxHour && (cur->idxHour <= ret))
{
status = data[cur->idxHour - 1] <= 23;
if(!status)
continue;
}
if(cur->idxMinute && (cur->idxMinute <= ret))
{
status = data[cur->idxMinute - 1] <= 59;
if(!status)
continue;
}
if(cur->idxSecond && (cur->idxSecond <= ret))
{
status = data[cur->idxSecond - 1] <= 59;
if(!status)
continue;
}
}
}
if(status)
{
status = FALSE;
i--;
GetSystemTimeAsFileTime(&ft);
if(FileTimeToLocalFileTime(&ft, &lft))
{
diff = *((PULONGLONG) &lft) - *((PULONGLONG) &ft);
if(FileTimeToSystemTime(&lft, &st))
{
st.wDayOfWeek = 0;
st.wMilliseconds = 0;
if(cur->idxYear && (cur->idxYear <= ret))
st.wYear = data[cur->idxYear - 1];
if(cur->idxMonth && (cur->idxMonth <= ret))
st.wMonth = data[cur->idxMonth - 1];
if(cur->idxDay && (cur->idxDay <= ret))
st.wDay = data[cur->idxDay - 1];
if(cur->idxHour && (cur->idxHour <= ret))
st.wHour = data[cur->idxHour - 1];
if(cur->idxMinute && (cur->idxMinute <= ret))
st.wMinute = data[cur->idxMinute - 1];
if(cur->idxSecond && (cur->idxSecond <= ret))
st.wSecond = data[cur->idxSecond - 1];
if(status = SystemTimeToFileTime(&st, &ft))
{
*((PULONGLONG) &ft) -= diff;
*filetime = ft;
}
}
}
}
return status;
}