289 lines
8.4 KiB
C++
289 lines
8.4 KiB
C++
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/*---------------------------------------------------------------------------
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File: ComputerPwdAge.cpp
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Comments: Implementation of COM object to retrieve password age for computer
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accounts (used to detect defunct computer accounts.)
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(c) Copyright 1999, Mission Critical Software, Inc., All Rights Reserved
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Proprietary and confidential to Mission Critical Software, Inc.
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REVISION LOG ENTRY
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Revision By: Christy Boles
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Revised on 02/15/99 11:19:31
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---------------------------------------------------------------------------
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*/
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// ComputerPwdAge.cpp : Implementation of CComputerPwdAge
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#include "stdafx.h"
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#include "WorkObj.h"
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#include "PwdAge.h"
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#include "Common.hpp"
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#include "UString.hpp"
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#include "Err.hpp"
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#include "CommaLog.hpp"
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#include "EaLen.hpp"
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//#import "\bin\McsVarSetMin.tlb" no_namespace
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//#import "\bin\DBManager.tlb" no_namespace, named_guids
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#import "VarSet.tlb" no_namespace rename("property", "aproperty")
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#import "DBMgr.tlb" no_namespace, named_guids
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#include <lm.h>
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/////////////////////////////////////////////////////////////////////////////
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// CComputerPwdAge
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STDMETHODIMP
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CComputerPwdAge::SetDomain(
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BSTR domain // in - domain name to examine
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)
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{
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HRESULT hr = S_OK;
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DWORD rc;
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WCHAR domctrl[LEN_Computer];
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if ( UStrICmp(m_Domain,domain) )
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{
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m_Domain = domain;
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rc = GetDomainControllerForDomain(domain,domctrl);
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if ( rc )
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{
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hr = HRESULT_FROM_WIN32(rc);
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}
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else
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{
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m_DomainCtrl = domctrl;
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}
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}
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return hr;
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}
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STDMETHODIMP
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CComputerPwdAge::GetPwdAge(
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BSTR domain, // in - domain name to examine
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BSTR ComputerName, // in - machine name of computer
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DWORD * pPwdAge // out- password age in seconds
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)
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{
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HRESULT hr;
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DWORD rc;
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WCHAR computerAccountName[LEN_Account];
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DWORD pwdage = 0;
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hr = SetDomain(domain);
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if ( SUCCEEDED(hr) )
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{
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swprintf(computerAccountName,L"%s",ComputerName);
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rc = GetSinglePasswordAgeInternal(m_DomainCtrl,computerAccountName,&pwdage);
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if ( ! rc )
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{
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(*pPwdAge) = pwdage;
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}
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else
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{
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hr = HRESULT_FROM_WIN32(rc);
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}
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}
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return hr;
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}
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STDMETHODIMP
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CComputerPwdAge::ExportPasswordAge(
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BSTR domain, // in - domain to export information from
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BSTR filename // in - UNC name of file to write information to
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)
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{
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HRESULT hr;
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hr = SetDomain(domain);
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if ( SUCCEEDED(hr) )
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{
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hr = ExportPasswordAgeOlderThan(domain,filename,0);
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}
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return hr;
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}
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STDMETHODIMP
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CComputerPwdAge::ExportPasswordAgeOlderThan(
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BSTR domain, // in - domain to export information from
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BSTR filename, // in - filename to write information to
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DWORD minAge // in - write only accounts with password age older than minAge
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)
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{
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DWORD rc = 0;
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HRESULT hr;
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hr = SetDomain(domain);
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if ( SUCCEEDED(hr) )
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{
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rc = ExportPasswordAgeInternal(m_DomainCtrl,filename,minAge,TRUE);
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if ( rc )
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{
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hr = HRESULT_FROM_WIN32(rc);
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}
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}
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return hr;
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}
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STDMETHODIMP
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CComputerPwdAge::ExportPasswordAgeNewerThan(
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BSTR domain, // in - domain to export information from
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BSTR filename, // in - filename to write information to
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DWORD maxAge // in - write only computer accounts with password age less than maxAge
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)
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{
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DWORD rc = 0;
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HRESULT hr;
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hr = SetDomain(domain);
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if ( SUCCEEDED(hr) )
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{
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rc = ExportPasswordAgeInternal(m_DomainCtrl,filename,maxAge,FALSE);
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if ( rc )
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{
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hr = HRESULT_FROM_WIN32(rc);
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}
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}
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return hr;
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}
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DWORD // ret- WIN32 error code
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CComputerPwdAge::GetDomainControllerForDomain(
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WCHAR const * domain, // in - name of domain
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WCHAR * domctrl // out- domain controller for domain
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)
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{
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DWORD rc;
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WCHAR * result;
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rc = NetGetDCName(NULL,domain,(LPBYTE*)&result);
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if ( ! rc )
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{
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wcscpy(domctrl,result);
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NetApiBufferFree(result);
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}
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return rc;
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}
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DWORD // ret- WIN32 error code
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CComputerPwdAge::ExportPasswordAgeInternal(
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WCHAR const * domctrl, // in - domain controller to query
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WCHAR const * filename, // in - filename to write results to
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DWORD minOrMaxAge, // in - optional min or max age to write
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BOOL bOld // in - TRUE-Age is min age, copies only old accounts
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)
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{
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DWORD rc = 0;
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DWORD nRead;
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DWORD nTotal;
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DWORD nResume = 0;
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DWORD prefmax = 1000;
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USER_INFO_11 * buf;
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time_t pwdage; // the number of seconds ago that the pwd was last changed
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time_t pwdtime; // the time when the pwd was last changed
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time_t now; // the current time
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CommaDelimitedLog log;
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IIManageDBPtr pDB;
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WCHAR computerName[LEN_Account];
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rc = pDB.CreateInstance(CLSID_IManageDB);
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if ( SUCCEEDED(rc) )
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{
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time(&now);
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do
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{
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rc = NetUserEnum(domctrl,11,FILTER_WORKSTATION_TRUST_ACCOUNT,(LPBYTE*)&buf,prefmax,&nRead,&nTotal,&nResume);
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if ( rc && rc != ERROR_MORE_DATA )
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break;
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for ( UINT i = 0 ; i < nRead ; i++ )
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{
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pwdage = buf[i].usri11_password_age;
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if ( ( pwdage >= (time_t)minOrMaxAge && bOld ) // inactive machines
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||( pwdage <= (time_t)minOrMaxAge && !bOld ) ) // active machines
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{
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safecopy(computerName,buf[i].usri11_name);
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// strip off the $ from the end of the computer account
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computerName[UStrLen(computerName)-1] = 0;
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// pDB->raw_SavePasswordAge(m_Domain,SysAllocString(computerName),SysAllocString(buf[i].usri11_comment),pwdage);
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pDB->raw_SavePasswordAge(m_Domain,SysAllocString(computerName),SysAllocString(buf[i].usri11_comment),(long)pwdage);
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pwdtime = now - pwdage;
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}
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}
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NetApiBufferFree(buf);
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} while ( rc == ERROR_MORE_DATA );
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}
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else
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{
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rc = GetLastError();
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}
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return rc;
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}
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DWORD // ret- WIN32 error code
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CComputerPwdAge::GetSinglePasswordAgeInternal(
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WCHAR const * domctrl, // in - domain controller to query
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WCHAR const * computer, // in - name of computer account
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DWORD * pwdage // out- password age in seconds
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)
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{
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DWORD rc = 0;
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USER_INFO_11 * buf;
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rc = NetUserGetInfo(domctrl,computer,11,(LPBYTE*)&buf);
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if (! rc )
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{
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(*pwdage) = buf->usri11_password_age;
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NetApiBufferFree(buf);
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}
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return rc;
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}
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// ComputerPwdAge worknode
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// Retrieves the password age (in seconds) for a computer account in a specified domain
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// This can be used to identify defunct computer accounts
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//
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// VarSet syntax
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// Input:
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// ComputerPasswordAge.Domain: <DomainName>
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// ComputerPasswordAge.Computer: <ComputerName>
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// Output:
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// ComputerPasswordAge.Seconds : <number>
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STDMETHODIMP
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CComputerPwdAge::Process(
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IUnknown * pWorkItem // in - varset containing settings
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)
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{
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HRESULT hr = S_OK;
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IVarSetPtr pVarSet = pWorkItem;
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_bstr_t domain;
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_bstr_t computer;
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DWORD age;
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domain = pVarSet->get(L"ComputerPasswordAge.Domain");
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computer = pVarSet->get(L"ComputerPasswordAge.Computer");
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if ( computer.length() && domain.length() )
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{
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hr = GetPwdAge(domain,computer,&age);
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if ( SUCCEEDED(hr) )
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{
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pVarSet->put(L"ComputerPasswordAge.Seconds",(LONG)age);
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}
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}
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return hr;
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}
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