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768 lines
26 KiB
768 lines
26 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2000.
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//
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// File: N C S Y S P R P . C P P
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//
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// Contents: Functions that related to SysPrep.exe requiremnts.
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//
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// Notes: 1.
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// 1.a sysprep calls NetSetupPrepareSysPrep
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// 1.b NetSetup saves adapter specific settings into $ncsp$.inf file.
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// NetSetup does this by calling INetCfgComponent::SaveAdapterParameters
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// implemented by notify object.
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//
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// 2.
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// 2.a Mini-Setup calls NetSetupRequestWizardPages passing the
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// "SETUPOPER_MINISETUP" flag right after PnP device installation.
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// 2.b NetSetup's InstallUpgradeWorkThrd thread checks the "SETUPOPER_MINISETUP" flag,
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// if set, it calls FNetSetupApplySysPrep which reads Answer-File "$ncsp$.inf".
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// It then calls notify object's INetCfgComponent::RestoreAdapterParameters
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// to restore adapter specific parameter settings from "$ncsp$.inf" Answer-File.
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//
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// 3. Only ONE network adapter card is supported on this version.
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//
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// Author: FrankLi 22-April-2000
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//
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//----------------------------------------------------------------------------
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#include "pch.h"
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#pragma hdrstop
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#include "kkcwinf.h"
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#include "ncstring.h"
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#include "netcfgp.h"
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#include "nsbase.h"
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#include "kkutils.h"
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#include "ncnetcfg.h"
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#include "lancmn.h"
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#include "ncreg.h"
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#include "ncsysprp.h"
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#include "resource.h"
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// constants from ncnetcfg\netinfid.cpp
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extern WCHAR c_szInfId_MS_TCPIP[] = L"ms_tcpip";
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extern WCHAR c_szInfId_MS_MSClient[] = L"ms_msclient";
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extern WCHAR c_szInfId_MS_NWClient[] = L"ms_nwclient";
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// constants from ncbase\afilestr.cpp
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extern WCHAR c_szRegKeyAnswerFileMap[] = L"SYSTEM\\Setup\\AnswerFileMap";
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// constants for adapter specific sections
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const WCHAR c_szParams_MS_TCPIP_Adapter01[] = L"params.ms_tcpip_Adapter01";
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//const WCHAR c_szParams_MS_MSClient_Adapter01[] = L"params.ms_msclient_Adapter01";
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//const WCHAR c_szParams_MS_NWClient_Adapter01[] = L"params.ms_nwclient_Adapter01";
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// The Answer-File name to save registry settings
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static const WCHAR c_szNetConfigSysPrepAnswerFile[] = L"\\$ncsp$.inf";
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// struct to map component Id to its corresponding adapter specific parameter
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// Answer-File section
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struct
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{
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PCWSTR pwszId;
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PCWSTR pwszIdAdapterParamsSection;
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} g_IdMap[] = {{c_szInfId_MS_TCPIP, c_szParams_MS_TCPIP_Adapter01},
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// no adapter specific parameters for MSClient and NWClient
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//{c_szInfId_MS_MSClient, c_szParams_MS_MSClient_Adapter01},
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//{c_szInfId_MS_NWClient, c_szParams_MS_NWClient_Adapter01}
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};
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// forward declaration
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HRESULT HrSaveNetworkComponentsForSysPrep(INetCfg* pNetCfg);
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HRESULT HrRestoreNetworkComponentsForSysPrep(INetCfg* pNetCfg);
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HRESULT HrGetFirstAdapterInstanceGuid(INetCfg * pnc, BOOL fDuringSetup, GUID * pGuidAdapter);
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BOOL FSectionHasAtLeastOneKey(IN CWInfFile* pwifAnswerFile, IN PCWSTR pszSection);
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//-------------------------------------------------------------------------
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// internal helper APIs used by CNetCfgSysPrep implementation
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// to save settings from notify object:
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// Purpose: save REG_DWORD to our internal CWinfFile object
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inline HRESULT HrSetupSetFirstDword(IN HWIF hwif,
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IN PCWSTR pwszSection,
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IN PCWSTR pwszKey,
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IN DWORD dwValue)
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{
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Assert (hwif && pwszSection && pwszKey);
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CWInfFile* pwifAnswerFile = reinterpret_cast<PCWInfFile>(hwif);
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PCWInfSection pwifSection = pwifAnswerFile->FindSection(pwszSection);
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if (pwifSection)
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{
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pwifAnswerFile->GotoEndOfSection(pwifSection);
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pwifAnswerFile->AddKey(pwszKey, dwValue);
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return S_OK;
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}
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else
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return S_FALSE;
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}
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// Purpose: save REG_SZ to our internal CWinfFile object
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inline HRESULT HrSetupSetFirstString(IN HWIF hwif,
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IN PCWSTR pwszSection,
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IN PCWSTR pwszKey,
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IN PCWSTR pwszValue)
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{
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Assert (hwif && pwszSection && pwszKey && pwszValue);
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CWInfFile* pwifAnswerFile = reinterpret_cast<PCWInfFile>(hwif);
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PCWInfSection pwifSection = pwifAnswerFile->FindSection(pwszSection);
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if (pwifSection)
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{
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pwifAnswerFile->GotoEndOfSection(pwifSection);
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pwifAnswerFile->AddKey(pwszKey, pwszValue);
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return S_OK;
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}
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else
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return S_FALSE;
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}
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// Purpose: save BOOL data to our internal CWinfFile object
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inline HRESULT HrSetupSetFirstStringAsBool(IN HWIF hwif,
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IN PCWSTR pwszSection,
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IN PCWSTR pwszKey,
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IN BOOL fValue)
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{
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Assert (hwif && pwszSection && pwszKey);
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CWInfFile* pwifAnswerFile = reinterpret_cast<PCWInfFile>(hwif);
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PCWInfSection pwifSection = pwifAnswerFile->FindSection(pwszSection);
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if (pwifSection)
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{
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pwifAnswerFile->GotoEndOfSection(pwifSection);
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pwifAnswerFile->AddBoolKey(pwszKey, fValue);
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return S_OK;
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}
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else
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return S_FALSE;
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}
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// Purpose: save MULTI_SZ to our internal CWinfFile object
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HRESULT HrSetupSetFirstMultiSzField(IN HWIF hwif,
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IN PCWSTR pwszSection,
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IN PCWSTR pwszKey,
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IN PCWSTR pmszValue)
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{
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HRESULT hr = S_OK;
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Assert (hwif && pwszSection && pwszKey && pmszValue);
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TStringList slValues;
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MultiSzToColString(pmszValue, &slValues);
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if (slValues.empty())
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{
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// empty pmszValue
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return HrSetupSetFirstString(hwif, pwszSection, pwszKey, pmszValue);
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}
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else
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{
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CWInfFile* pwifAnswerFile = reinterpret_cast<PCWInfFile>(hwif);
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PCWInfSection pwifSection = pwifAnswerFile->FindSection(pwszSection);
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if (pwifSection)
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{
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pwifAnswerFile->GotoEndOfSection(pwifSection);
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pwifAnswerFile->AddKey(pwszKey, slValues);
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}
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else
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hr = S_FALSE;
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}
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EraseAndDeleteAll(&slValues);
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return hr;
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}
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//--------------------------------------------------------------------------
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// Implementation of INetCfgSysPrep component
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inline HRESULT CNetCfgSysPrep::HrSetupSetFirstDword(
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IN PCWSTR pwszSection,
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IN PCWSTR pwszKey,
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IN DWORD dwValue)
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{
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HRESULT hr = S_OK;
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EnterCriticalSection(&m_csWrite);
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if (m_hwif)
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{
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hr = ::HrSetupSetFirstDword(
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m_hwif,
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pwszSection,
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pwszKey,
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dwValue);
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}
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else
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{
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hr = E_FAIL;
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}
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LeaveCriticalSection(&m_csWrite);
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return hr;
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}
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inline HRESULT CNetCfgSysPrep::HrSetupSetFirstString(
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IN PCWSTR pwszSection,
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IN PCWSTR pwszKey,
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IN PCWSTR pwszValue)
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{
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HRESULT hr = S_OK;
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EnterCriticalSection(&m_csWrite);
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if (m_hwif)
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{
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hr = ::HrSetupSetFirstString(
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m_hwif,
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pwszSection,
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pwszKey,
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pwszValue);
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}
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else
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{
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hr = E_FAIL;
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}
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LeaveCriticalSection(&m_csWrite);
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return hr;
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}
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inline HRESULT CNetCfgSysPrep::HrSetupSetFirstStringAsBool(
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IN PCWSTR pwszSection,
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IN PCWSTR pwszKey,
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IN BOOL fValue)
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{
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HRESULT hr = S_OK;
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EnterCriticalSection(&m_csWrite);
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if (m_hwif)
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{
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hr = ::HrSetupSetFirstStringAsBool(
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m_hwif,
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pwszSection,
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pwszKey,
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fValue);
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}
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else
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{
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hr = E_FAIL;
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}
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LeaveCriticalSection(&m_csWrite);
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return hr;
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}
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inline HRESULT CNetCfgSysPrep::HrSetupSetFirstMultiSzField(
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IN PCWSTR pwszSection,
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IN PCWSTR pwszKey,
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IN PCWSTR pmszValue)
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{
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HRESULT hr = S_OK;
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EnterCriticalSection(&m_csWrite);
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if (m_hwif)
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{
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hr = ::HrSetupSetFirstMultiSzField(
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m_hwif,
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pwszSection,
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pwszKey,
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pmszValue);
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}
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else
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{
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hr = E_FAIL;
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}
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LeaveCriticalSection(&m_csWrite);
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return hr;
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}
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//
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// Function: FNetSetupPrepareSysPrep
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//
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// Purpose: wrapper for HrSaveNetworkComponentsForSysPrep
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//
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// Parameters:
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//
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// Returns: TRUE on success, otherwise, FALSE
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//
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//
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BOOL FNetSetupPrepareSysPrep()
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{
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INetCfg* pNetCfg = NULL;
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BOOL fInitCom = TRUE;
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HRESULT hr;
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DefineFunctionName("FNetSetupPrepareSysPrep");
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TraceFunctionEntry(ttidNetSetup);
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hr = HrCreateAndInitializeINetCfg(&fInitCom, &pNetCfg,
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FALSE, // no write lock
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0, // don't wait for it
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L"Save Configuration for SysPrep",
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NULL);
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if (SUCCEEDED(hr))
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{
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// Retain our success in initializing COM only if we asked to
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// initialize COM in the first place.
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if (! fInitCom)
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{
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TraceTag(ttidNetSetup, "%s: Failed to init COM", __FUNCNAME__);
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return FALSE;
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}
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// Save network component per adapter registry settings
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hr = HrSaveNetworkComponentsForSysPrep(pNetCfg);
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if (hr == S_OK)
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{
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// delete the HKLM\SYSTEM\Setup\AnswerFileMap registry key if it exits
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HrRegDeleteKeyTree(HKEY_LOCAL_MACHINE, c_szRegKeyAnswerFileMap);
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}
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HrUninitializeAndReleaseINetCfg (fInitCom, pNetCfg, FALSE);
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}
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TraceError("FNetSetupPrepareSysPrep", hr);
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return (hr == S_OK)? TRUE : FALSE;
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}
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//
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// Function: HrSaveNetworkComponentsForSysPrep
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//
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// Purpose: Ask notify object to save adapter specific settings
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//
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// Parameters: pNetCfg [IN] - An INetCfg interface
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//
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// Returns: HRESULT, S_OK on success
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//
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//
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// Note: only 1 network adapter card is supported. If there are more than 1,
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// we'll pick the first working one.
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HRESULT HrSaveNetworkComponentsForSysPrep(INetCfg* pNetCfg)
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{
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HRESULT hr = S_OK;
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GUID guidAdapter; // network adapter's Instance GUID
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BOOL fApplyWrite = FALSE; // flag to save internal registry settings to Answer-File
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BOOL fRet = TRUE;
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DefineFunctionName("HrSaveNetworkComponentsForSysPrep");
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hr = HrGetFirstAdapterInstanceGuid(pNetCfg, FALSE, &guidAdapter); // FALSE ==> not in setup
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if (hr != S_OK)
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{
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TraceTag(ttidNetSetup, "%s: HrGetFirstAdapterInstanceGuid failed 0x%08x", __FUNCNAME__, hr);
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return S_FALSE;
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}
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CWInfFile* pwifAnswerFile = new CWInfFile();
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// initialize answer file class
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if ((pwifAnswerFile == NULL) || (pwifAnswerFile->Init() == FALSE))
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{
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AssertSz(FALSE,"HrSaveNetworkComponentsForSysPrep - Failed to initialize CWInfFile");
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if (pwifAnswerFile)
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delete pwifAnswerFile;
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return(E_OUTOFMEMORY);
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}
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// access INetCfgSysPrep ATL component using C++ instead of CoCreateInstance
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CComObject<CNetCfgSysPrep>* pncsp = new CComObject<CNetCfgSysPrep>;
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// initialize CNetCfgSysPrep class
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if ((pncsp == NULL) || (pncsp->HrInit((HWIF) pwifAnswerFile) != S_OK))
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{
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AssertSz(FALSE,"HrSaveNetworkComponentsForSysPrep - Failed to initialize CWInfFile");
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delete pwifAnswerFile;
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if (pncsp)
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delete pncsp;
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return(E_OUTOFMEMORY);
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}
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pncsp->AddRef(); // keep a reference to our component
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for (UINT nIdx = 0; nIdx < celems(g_IdMap); nIdx++)
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{
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INetCfgComponent* pINetCfgComponent;
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PCWSTR pwszInfId;
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PCWSTR pwszAdapterParamsSections;
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pwszInfId = g_IdMap[nIdx].pwszId;
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pwszAdapterParamsSections = g_IdMap[nIdx].pwszIdAdapterParamsSection;
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hr = pNetCfg->FindComponent(pwszInfId, &pINetCfgComponent);
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if (hr == S_OK)
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{
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Assert (pINetCfgComponent);
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// Component has already installed, we'll call notify object's
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// INetCfgComponentSysPrep::SaveAdapterParameters
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// Need to query for the private component interface which
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// gives us access to the notify object.
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//
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INetCfgComponentPrivate* pComponentPrivate;
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hr = pINetCfgComponent->QueryInterface(
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IID_INetCfgComponentPrivate,
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reinterpret_cast<void**>(&pComponentPrivate));
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if (hr == S_OK)
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{
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INetCfgComponentSysPrep* pINetCfgComponentSysPrep;
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// Query the notify object for its INetCfgComponentSysPrep interface.
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// If it doesn't support it, that's okay, we can continue.
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//
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hr = pComponentPrivate->QueryNotifyObject(
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IID_INetCfgComponentSysPrep,
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(void**) &pINetCfgComponentSysPrep);
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if (S_OK == hr)
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{
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// add a section first
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pwifAnswerFile->AddSection(pwszAdapterParamsSections);
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// trigger Notify object to save registry settings
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hr = pINetCfgComponentSysPrep->SaveAdapterParameters(
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reinterpret_cast<INetCfgSysPrep*>(pncsp), pwszAdapterParamsSections, &guidAdapter);
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if (hr == S_OK)
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fApplyWrite = TRUE;
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ReleaseObj(pINetCfgComponentSysPrep);
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}
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else if (hr == E_NOINTERFACE)
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{
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TraceTag(ttidNetSetup, "%s: %S component doesn't support IID_INetCfgComponentSysPrep", __FUNCNAME__, pwszInfId);
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}
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else
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fRet = FALSE; // unexpected error
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ReleaseObj(pComponentPrivate);
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}
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else
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{
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TraceTag(ttidNetSetup, "%s: can't find IID_INetCfgComponentPrivate for component %S", __FUNCNAME__, pwszInfId);
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fRet = FALSE;
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}
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ReleaseObj (pINetCfgComponent);
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}
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else
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{
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// it is okay that this component has not been installed
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TraceTag(ttidNetSetup, "%s: Can't find %S component", __FUNCNAME__, pwszInfId);
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}
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} // end for
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pncsp->SetHWif(NULL); // no more writes for those components holding our INetCfgSysPrep interface
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ReleaseObj(pncsp); // done with the usage of INetCfgSysPrep component
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if (fApplyWrite)
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{
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WCHAR wszSystemDir[MAX_PATH];
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// get the path to $ncsp$.inf (NetConfig SysPrep Answer-File)
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if (GetSystemDirectory(wszSystemDir, MAX_PATH) != 0)
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{
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tstring strAnswerFile;
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strAnswerFile = wszSystemDir;
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strAnswerFile += c_szNetConfigSysPrepAnswerFile;
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// save the parameters filled by notify object to Answer-File
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if (! pwifAnswerFile->SaveAsEx(strAnswerFile.c_str()))
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fRet = FALSE;
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}
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else
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{
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TraceTag(ttidNetSetup, "%s: GetSystemDirectory failed 0x%8x", __FUNCNAME__, GetLastError());
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fRet = FALSE;
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}
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}
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delete pwifAnswerFile;
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return fRet? S_OK : S_FALSE;
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}
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//
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// Function: FNetSetupApplySysPrep
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//
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// Purpose: wrapper for HrRestoreNetworkComponentsForSysPrep
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//
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// Parameters:
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//
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// Returns: TRUE on success, otherwise, FALSE
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//
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// Notes: This causes NetSetup to load the content of
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// %systemroot%\system32\$ncsp$.inf into a CWInfFile object.
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// Then, NetSetup will instruct notify object to restore their
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// per adatper settings from the corresponding sections of the
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// $ncsp$.inf file.
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BOOL FNetSetupApplySysPrep()
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{
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INetCfg* pNetCfg = NULL;
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BOOL fInitCom = TRUE;
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HRESULT hr;
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DefineFunctionName("FNetSetupApplySysPrep");
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TraceFunctionEntry(ttidNetSetup);
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hr = HrCreateAndInitializeINetCfg(&fInitCom, &pNetCfg,
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FALSE, // no write lock
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0, // don't wait for it
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L"Restore Configuration for SysPrep",
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NULL);
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if (SUCCEEDED(hr))
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{
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// Retain our success in initializing COM only if we asked to
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// initialize COM in the first place.
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if (! fInitCom)
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{
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TraceTag(ttidNetSetup, "%s: Failed to init COM", __FUNCNAME__);
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return FALSE;
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}
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// Restore network component per adapter registry settings
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hr = HrRestoreNetworkComponentsForSysPrep(pNetCfg);
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HrUninitializeAndReleaseINetCfg (fInitCom, pNetCfg, FALSE);
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}
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TraceError("FNetSetupApplySysPrep", hr);
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return (hr == S_OK)? TRUE : FALSE;
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}
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//
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// Function: HrRestoreNetworkComponentsForSysPrep
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//
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// Purpose: read $ncsp$.inf file. If this file has
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// adapter specific sections, trigger the corresponding
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// notify object to restore the settings to registry.
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//
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// Parameters: pNetCfg [IN] - An INetCfg interface
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//
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// Returns: HRESULT, S_OK on success
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//
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//
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HRESULT HrRestoreNetworkComponentsForSysPrep(INetCfg* pNetCfg)
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{
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HRESULT hr = S_OK;
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GUID guidAdapter; // network adapter's Instance GUID
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WCHAR wszSystemDir[MAX_PATH]; // system32 directory
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tstring strAnswerFile; // Answer-File which was saved by SysPrep
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BOOL fRet = TRUE; // notify object's status in restore settings
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DefineFunctionName("HrRestoreNetworkComponentsForSysPrep");
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// get the path to $ncsp$.inf (NetConfig SysPrep Answer-File)
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if (GetSystemDirectory(wszSystemDir, MAX_PATH) != 0)
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{
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strAnswerFile = wszSystemDir;
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strAnswerFile += c_szNetConfigSysPrepAnswerFile;
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}
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else
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{
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TraceTag(ttidNetSetup, "%s: GetSystemDirectory failed 0x%8x", __FUNCNAME__, GetLastError());
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return S_FALSE;
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}
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hr = HrGetFirstAdapterInstanceGuid(pNetCfg, TRUE, &guidAdapter); // TRUE ==> during setup
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if (hr != S_OK)
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{
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TraceTag(ttidNetSetup, "%s: HrGetFirstAdapterInstanceGuid failed 0x%08x", __FUNCNAME__, hr);
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return S_FALSE;
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}
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CWInfFile* pwifAnswerFile = new CWInfFile();
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// initialize answer file class
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if ((pwifAnswerFile == NULL) || (pwifAnswerFile->Init() == FALSE))
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{
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AssertSz(FALSE,"HrRestoreNetworkComponentsForSysPrep - Failed to initialize CWInfFile");
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if (pwifAnswerFile)
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delete pwifAnswerFile;
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return(E_OUTOFMEMORY);
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}
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// read $ncsp$.inf Answer-File into pwifAnswerFile object
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if (pwifAnswerFile->Open(strAnswerFile.c_str()) == FALSE)
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{
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TraceTag(ttidNetSetup, "%s: pwifAnswerFile->Open failed 0x%08x", __FUNCNAME__);
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delete pwifAnswerFile;
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return S_FALSE;
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}
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for (UINT nIdx = 0; nIdx < celems(g_IdMap); nIdx++)
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{
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INetCfgComponent* pINetCfgComponent;
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PCWSTR pwszInfId; // component ID
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PCWSTR pwszAdapterParamsSections; // adapter specific parameter section
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pwszInfId = g_IdMap[nIdx].pwszId;
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pwszAdapterParamsSections = g_IdMap[nIdx].pwszIdAdapterParamsSection;
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// trigger Notify object to restore registry settings if
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// the section has at least one line of parameter
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pwifAnswerFile->FindSection(pwszAdapterParamsSections);
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if (FSectionHasAtLeastOneKey(pwifAnswerFile, pwszAdapterParamsSections))
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{
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hr = pNetCfg->FindComponent(pwszInfId, &pINetCfgComponent);
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if (hr == S_OK)
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{
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Assert (pINetCfgComponent);
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// Component has already installed, just call notify object's
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// INetCfgComponentSysPrep::RestoreAdapterParameters
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// Need to query for the private component interface which
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// gives us access to the notify object.
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//
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INetCfgComponentPrivate* pComponentPrivate;
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hr = pINetCfgComponent->QueryInterface(
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IID_INetCfgComponentPrivate,
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reinterpret_cast<void**>(&pComponentPrivate));
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if (hr == S_OK)
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{
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INetCfgComponentSysPrep* pINetCfgComponentSysPrep;
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// Query the notify object for its INetCfgComponentSysPrep interface.
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// If it doesn't support it, that's okay, we can continue.
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//
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hr = pComponentPrivate->QueryNotifyObject(
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IID_INetCfgComponentSysPrep,
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(void**) &pINetCfgComponentSysPrep);
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if (S_OK == hr)
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{
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hr = pINetCfgComponentSysPrep->RestoreAdapterParameters(
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strAnswerFile.c_str(), pwszAdapterParamsSections, &guidAdapter);
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if (hr != S_OK)
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fRet = FALSE; // notify object can't restore settings
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ReleaseObj(pINetCfgComponentSysPrep);
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}
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else if (hr == E_NOINTERFACE)
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{
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TraceTag(ttidNetSetup, "%s: %S component doesn't support IID_INetCfgComponentSysPrep", __FUNCNAME__, pwszInfId);
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}
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else
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fRet = FALSE; // unexpected error
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ReleaseObj(pComponentPrivate);
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}
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else
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{
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TraceTag(ttidNetSetup, "%s: can't find IID_INetCfgComponentPrivate for component %S", __FUNCNAME__, pwszInfId);
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fRet = FALSE;
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}
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ReleaseObj (pINetCfgComponent);
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}
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else
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{
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// this component wasn't installed before SysPrep
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TraceTag(ttidNetSetup, "%s: Can't find %S component", __FUNCNAME__, pwszInfId);
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}
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} // end if section has at least one key to restore setting
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} // end for
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// delete the Answer-File in free build.
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#ifndef DBG
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DeleteFile(strAnswerFile.c_str());
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#endif
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delete pwifAnswerFile;
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return fRet? S_OK : S_FALSE;
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}
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//
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// Function: FSectionHasAtLeastOneKey
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//
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// Purpose: Check if an Answer-File section has at least one key
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//
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// Parameters: pwifAnswerFile [IN] - pointer to a CWInfFile object
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// pszSection [IN] - the section to check
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//
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// Returns: TRUE if found else FALSE
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//
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BOOL FSectionHasAtLeastOneKey(IN CWInfFile* pwifAnswerFile, IN PCWSTR pwszSection)
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{
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Assert(pwifAnswerFile && pwszSection);
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PCWInfSection pwifs = pwifAnswerFile->FindSection(pwszSection);
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if (pwifs == NULL)
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return FALSE;
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PCWInfKey pwifk = pwifs->FirstKey();
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if (pwifs == NULL)
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return FALSE;
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return TRUE;
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}
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//
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// Function: HrGetFirstAdapterInstanceGuid
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//
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// Purpose: Get the first installed adapter instance guid
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//
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// Parameters: pnc [IN] - An INetCfg interface
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// fDuringSetup [IN] - TRUE when this is being called during the setup time
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// pGuidAdapter [IN,OUT] - Receives an instance GUID of an adapter
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//
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// Returns: HRESULT, S_OK on success
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//
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HRESULT HrGetFirstAdapterInstanceGuid(INetCfg * pnc, BOOL fDuringSetup, GUID * pGuidAdapter)
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{
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HRESULT hr = S_OK;
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DefineFunctionName("HrGetFirstAdapterInstanceGuid");
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TraceTag(ttidNetSetup, "HrGetFirstAdapterInstanceGuid - Enter Find first available adapter");
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// Enumerate the available adapters
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Assert(pnc && pGuidAdapter);
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CIterNetCfgComponent nccIter(pnc, &GUID_DEVCLASS_NET);
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INetCfgComponent* pncc;
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while (SUCCEEDED(hr) && (S_OK == (hr = nccIter.HrNext(&pncc))))
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{
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hr = HrIsLanCapableAdapter(pncc);
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TraceError("HrIsLanCapableAdapter", hr);
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if (S_OK == hr)
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{
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DWORD dw;
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ULONG ul;
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TraceTag(ttidNetSetup, "%s: Found HrIsLanCapableAdapter", __FUNCNAME__);
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if (! fDuringSetup)
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{
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// Is it in used in a connection?
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hr = HrIsConnection(pncc);
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if (hr != S_OK)
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{
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TraceError("HrGetFirstAdapterInstanceGuid: HrIsConnection", hr);
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goto NextAdapter;
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}
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}
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// Is this a virtual adapter?
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hr = pncc->GetCharacteristics(&dw);
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if (hr != S_OK)
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{
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TraceError("GetCharacteristics", hr);
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goto NextAdapter;
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}
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if (! (dw & NCF_PHYSICAL))
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{
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TraceTag(ttidNetSetup, "%s: It is not a PHYSICAL adapter", __FUNCNAME__);
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goto NextAdapter;
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}
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// Check device, if not present skip it
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//
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hr = pncc->GetDeviceStatus(&ul);
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if ((hr != S_OK) || (ul != 0))
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{
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TraceTag(ttidNetSetup, "%s: device is not active.", __FUNCNAME__);
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goto NextAdapter;
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}
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// Get the adapter instance guid
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hr = pncc->GetInstanceGuid(pGuidAdapter);
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if (hr != S_OK)
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{
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TraceError("GetInstanceGuid", hr); //
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goto NextAdapter;
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}
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ReleaseObj(pncc);
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return S_OK;
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}
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NextAdapter:
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ReleaseObj(pncc);
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hr = S_OK;
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}
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return hr;
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}
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