trunk/OpenPGPminidriver/DllMain.c

/*      OpenPGP Smart Card Mini Driver
    Copyright (C) 2009 Vincent Le Toux

    This library is Free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License version 2.1 as published by the Free Software Foundation.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <windows.h>

BOOL fRunOnVistaAndLater;

BOOL Is_Vista_or_Later () 
{
   OSVERSIONINFOEX osvi;
   DWORDLONG dwlConditionMask = 0;
   int op=VER_GREATER_EQUAL;

   // Initialize the OSVERSIONINFOEX structure.

   ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
   osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
   osvi.dwMajorVersion = 6;

   // Initialize the condition mask.
   VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );

   // Perform the test.
   return VerifyVersionInfo(
      &osvi, 
      VER_MAJORVERSION,
      dwlConditionMask);
}

/** This function provides handling for load/unload and attach/detach notifications
to allow the DLL to manage its state and allocated resources. For more information,
see DllMain Callback Function on MSDN®.

return TRUE on DLL_PROCESS_ATTACH if initialization of the DLL was successful;
otherwise, FALSE. Value ignored at other times by caller. */
BOOL WINAPI DllMain(HINSTANCE    hinstDLL,
                    DWORD        dwReason,
                    LPVOID       lpReserved)
{
   // Perform actions based on the reason for calling.
   if (dwReason == DLL_PROCESS_ATTACH)
   {
           fRunOnVistaAndLater = Is_Vista_or_Later();
           return TRUE;
   }
   else
   {
           return FALSE;
   }
}
1	/* OpenPGP Smart Card Mini Driver
2	Copyright (C) 2009 Vincent Le Toux
3
4	This library is Free software; you can redistribute it and/or
5	modify it under the terms of the GNU Lesser General Public
6	License version 2.1 as published by the Free Software Foundation.
7
8	This library is distributed in the hope that it will be useful,
9	but WITHOUT ANY WARRANTY; without even the implied warranty of
10	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11	Lesser General Public License for more details.
12
13	You should have received a copy of the GNU Lesser General Public
14	License along with this library; if not, write to the Free Software
15	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16	*/
17
18	#include <windows.h>
19
20	BOOL fRunOnVistaAndLater;
21
22	BOOL Is_Vista_or_Later ()
23	{
24	OSVERSIONINFOEX osvi;
25	DWORDLONG dwlConditionMask = 0;
26	int op=VER_GREATER_EQUAL;
27
28	// Initialize the OSVERSIONINFOEX structure.
29
30	ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
31	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
32	osvi.dwMajorVersion = 6;
33
34	// Initialize the condition mask.
35	VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
36
37	// Perform the test.
38	return VerifyVersionInfo(
39	&osvi,
40	VER_MAJORVERSION,
41	dwlConditionMask);
42	}
43
44	/** This function provides handling for load/unload and attach/detach notifications
45	to allow the DLL to manage its state and allocated resources. For more information,
46	see DllMain Callback Function on MSDN®.
47
48	return TRUE on DLL_PROCESS_ATTACH if initialization of the DLL was successful;
49	otherwise, FALSE. Value ignored at other times by caller. */
50	BOOL WINAPI DllMain(HINSTANCE hinstDLL,
51	DWORD dwReason,
52	LPVOID lpReserved)
53	{
54	// Perform actions based on the reason for calling.
55	if (dwReason == DLL_PROCESS_ATTACH)
56	{
57	fRunOnVistaAndLater = Is_Vista_or_Later();
58	return TRUE;
59	}
60	else
61	{
62	return FALSE;
63	}
64	}