Source code of Windows XP (NT5)
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68 lines
1.3 KiB

//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1997 - 1999
//
// File: nsrevchk.cpp
//
//--------------------------------------------------------------------------
#include <windows.h>
extern "C" void __cdecl
wmain(
int argc,
WCHAR *argv[])
{
char status[2];
unsigned long bytesRead;
HANDLE df;
BOOL ret;
if (argc != 2)
{
MessageBox(0, L"Usage: nsrevchk filename", L"Error", MB_OK);
exit(-1);
}
df = CreateFile(
argv[1],
GENERIC_READ,
FILE_SHARE_READ,
0,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);
if (INVALID_HANDLE_VALUE == df)
{
MessageBox(0, L"Unable to open file", L"Error", MB_OK);
exit(-1);
}
ret = ReadFile(df, &status, 2, &bytesRead, 0);
if (!ret)
{
MessageBox(0, L"Unable to read from file", L"Error", MB_OK);
exit(-1);
}
if (bytesRead != 1)
{
MessageBox(0, L"Invalid file format", L"Error", MB_OK);
exit(-1);
}
if (status[0] == '1')
{
MessageBox(0, L"Cert is Invalid", L"Certificate Status", MB_OK);
}
else if (status[0] == '0')
{
MessageBox(0, L"Cert is Valid", L"Certificate Status", MB_OK);
}
else
{
MessageBox(0, L"Unknown Certificate Status", L"Error", MB_OK);
}
}