Lists all members of a group and how many days are left until their password expires.

ADSI_passwd_expir.cpp

/**
 * @Author	Drew Chapin <druciferre@gmail.com>
 * @Date	2013-05-03
 *
 * Lists all members of a group and how many days are left until their password expires.
 */
#pragma comment(lib, "ActiveDS.lib")
#pragma comment(lib, "Oleaut32.lib")
#pragma comment(lib, "ADSIid.lib")
#include <Windows.h>
#include <ActiveDS.h>
#include <Iads.h>
#include <OleAuto.h>
#include <iostream>
#include <string>
#include <atlbase.h>


void DisplayUserName( IADsUser* pUser )
{ // http://msdn.microsoft.com/en-us/library/windows/desktop/aa746343%28v=vs.85%29.aspx

	DATE pwdexp = {0};
	HRESULT hr = pUser->get_PasswordExpirationDate(&pwdexp);
	if( SUCCEEDED(hr) )
	{
		CComBSTR bsName;
		pUser->get_Name(&bsName);
		std::wcout << L"User: " << bsName.m_str << L" - password expires in ";

		SYSTEMTIME st = {0};
		GetSystemTime(&st);
		DATE now = 0;
		SystemTimeToVariantTime(&st, &now);

		std::wcout << static_cast<int>(pwdexp - now) << L" days" << std::endl;
	}

}

HRESULT EnumMembers( IADsMembers* pMembers )
{ // http://msdn.microsoft.com/en-us/library/windows/desktop/aa706042%28v=vs.85%29.aspx

	IUnknown *pUnk;
	HRESULT hr = pMembers->get__NewEnum(&pUnk);
	if( !SUCCEEDED(hr) )
		return hr;

	IEnumVARIANT* pEnum;
	hr = pUnk->QueryInterface(IID_IEnumVARIANT, reinterpret_cast<void**>(&pEnum));
	if( !SUCCEEDED(hr) )
	{
		pUnk->Release();
		return hr;
	}

	VARIANT var;
	unsigned long lFetch = 0;
	IDispatch* pDisp;
	hr = pEnum->Next(1, &var, &lFetch);
	while( SUCCEEDED(hr) )
	{
		if( 1 == lFetch ) //what the hell is fetch???
		{
			pDisp = V_DISPATCH(&var);
			IADsUser* pUser;
			hr = pDisp->QueryInterface(IID_IADsUser, reinterpret_cast<void**>(&pUser));
			if( SUCCEEDED(hr) )
				DisplayUserName(pUser);
			pDisp->Release();
			VariantClear(&var);
		}
		hr = pEnum->Next(1, &var, &lFetch);
	}

	pDisp->Release();
	pEnum->Release();
	pUnk->Release();

}

int main( int argc, char* argv[] )
{

	CoInitialize(NULL);

	// http://msdn.microsoft.com/en-us/library/windows/desktop/aa706032%28v=vs.85%29.aspx
	IADsGroup* pGroup;
	HRESULT hr = ADsGetObject(L"LDAP://CN=*Berea NC Techs,OU=Distribution Groups,OU=BER,DC=pgw,DC=local", IID_IADsGroup, reinterpret_cast<void**>(&pGroup));
	if( SUCCEEDED(hr) )
	{
		IADsMembers* pMembers;
		hr = pGroup->Members(&pMembers);
		EnumMembers(pMembers);
		pGroup->Release();
	}

	CoUninitialize();

	std::getchar();

	return 0;

}