Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1997.
//
// File: D H C P S O B J . C P P
//
// Contents: Implementation of the CDHCPServer notify object
//
// Notes:
//
// Author: jeffspr 31 May 1997
//
//----------------------------------------------------------------------------
#include "pch.h"
#pragma hdrstop
#include "dhcpsobj.h"
#include "ncerror.h"
#include "ncperms.h"
#include "ncreg.h"
#include "ncsetup.h"
#include "ncnetcfg.h"
#include "ncipaddr.h"
#include <dhcpapi.h>
extern const WCHAR c_szInfId_MS_DHCPServer[];
extern const WCHAR c_szAfDhcpServerConfiguration[];
extern const WCHAR c_szAfDhcpServerParameters[];
//---[ Constants ]------------------------------------------------------------
static const WCHAR c_szDHCPServerServicePath[] = L"System\\CurrentControlSet\\Services\\DHCPServer";
static const WCHAR c_szDHCPServerParamPath[] = L"System\\CurrentControlSet\\Services\\DHCPServer\\Parameters";
static const WCHAR c_szDHCPServerConfigPath[] = L"System\\CurrentControlSet\\Services\\DHCPServer\\Configuration";
static const WCHAR c_szOptionInfo[] = L"OptionInfo";
static const WCHAR c_szSubnets[] = L"Subnets";
static const WCHAR c_szIpRanges[] = L"IpRanges";
static const WCHAR c_szSubnetOptions[] = L"SubnetOptions";
static const WCHAR c_szDHCPServerUnattendRegSection[] = L"DHCPServer_Unattend";
const WCHAR c_szStartIp[] = L"StartIp";
const WCHAR c_szEndIp[] = L"EndIp";
const WCHAR c_szSubnetMask[] = L"SubnetMask";
const WCHAR c_szLeaseDuration[] = L"LeaseDuration";
const WCHAR c_szDnsServer[] = L"DnsServer";
const WCHAR c_szDomainName[] = L"DomainName";
// Destructor
//
CDHCPServer::CDHCPServer()
{
// Initialize member variables.
m_pnc = NULL;
m_pncc = NULL;
m_eInstallAction = eActUnknown;
m_fUpgrade = FALSE;
m_fUnattend = FALSE;
}
CDHCPServer::~CDHCPServer()
{
ReleaseObj(m_pncc);
ReleaseObj(m_pnc);
// Release KEY handles here.
}
//
// INetCfgNotify
//
STDMETHODIMP CDHCPServer::Initialize( INetCfgComponent * pnccItem,
INetCfg * pnc,
BOOL fInstalling)
{
Validate_INetCfgNotify_Initialize(pnccItem, pnc, fInstalling);
m_pncc = pnccItem;
m_pnc = pnc;
AssertSz(m_pncc, "m_pncc NULL in CDHCPServer::Initialize");
AssertSz(m_pnc, "m_pnc NULL in CDHCPServer::Initialize");
// Addref the config objects
//
AddRefObj(m_pncc);
AddRefObj(m_pnc);
return S_OK;
}
//+---------------------------------------------------------------------------
//
// Function: HrRestoreRegistrySz
//
// Purpose: Restore a subkey from the specified file
//
// Arguments:
// hkeyBase [in] handle of basekey
// pszSubKey [in] subkey to restore
// pszRegFile [in] name of file to restore from
//
// Returns: S_OK on success, otherwise an error code
//
// Author: kumarp 16-September-98
//
// Notes: This should be moved to common code
//
HRESULT
HrRestoreRegistrySz (
IN HKEY hkeyBase,
IN PCWSTR pszSubKey,
IN PCWSTR pszRegFile)
{
Assert(hkeyBase);
AssertValidReadPtr(pszSubKey);
AssertValidReadPtr(pszRegFile);
HRESULT hr;
HKEY hkey = NULL;
DWORD dwDisp;
TraceTag(ttidDHCPServer, "restoring subkey '%S' from file '%S'",
pszSubKey, pszRegFile);
hr = HrEnablePrivilege (SE_RESTORE_NAME);
if (S_OK == hr)
{
// Ensure key is there by creating it
//
hr = HrRegCreateKeyEx (hkeyBase, pszSubKey, REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE_DELETE, NULL, &hkey, &dwDisp);
if (S_OK == hr)
{
// Restore the old settings
//
hr = HrRegRestoreKey (hkey, pszRegFile, 0);
RegCloseKey (hkey);
}
}
TraceError ("HrRestoreRegistrySz", hr);
return hr;
}
//+---------------------------------------------------------------------------
//
// Member: CDHCPServer::HrRestoreRegistry
//
// Purpose: Restores the contents of the registry for this component
//
// Arguments:
// (none)
//
// Returns: Win32 error if failed, otherwise S_OK
//
// Author: jeffspr 13 Aug 1997
//
// Notes:
//
HRESULT CDHCPServer::HrRestoreRegistry()
{
HRESULT hr = S_OK;
TraceTag(ttidDHCPServer, "CDHCPServer::HrRestoreRegistry()");
// If we have a "configuration" key restore file
//
if (!m_strConfigRestoreFile.empty())
{
// We always want to continue, so ignore the return code
//
(void) HrRestoreRegistrySz(HKEY_LOCAL_MACHINE,
c_szDHCPServerConfigPath,
m_strConfigRestoreFile.c_str());
}
else
{
TraceTag(ttidDHCPServer, "DHCP Server Params restore file doesn't exist");
}
// If we have a params restore file
//
if (!m_strParamsRestoreFile.empty())
{
// We always want to continue, so ignore the return code
//
(void) HrRestoreRegistrySz(HKEY_LOCAL_MACHINE,
c_szDHCPServerParamPath,
m_strParamsRestoreFile.c_str());
}
else
{
TraceTag(ttidDHCPServer, "DHCP Server Params restore file doesn't exist");
}
TraceHr(ttidDHCPServer, FAL, hr, FALSE, "CDHCPServer::HrRestoreRegistry");
return hr;
}
HRESULT CDHCPServer::HrWriteUnattendedKeys()
{
HRESULT hr = S_OK;
HKEY hkeyService = NULL;
const COMPONENT_INFO * pci = NULL;
Assert(m_fUnattend);
hr = HrRegOpenKeyEx(HKEY_LOCAL_MACHINE,
c_szDHCPServerServicePath,
KEY_READ_WRITE_DELETE,
&hkeyService);
if (SUCCEEDED(hr))
{
Assert(hkeyService);
pci = PComponentInfoFromComponentId(c_szInfId_MS_DHCPServer);
if (pci)
{
CSetupInfFile csif;
// Open the answer file.
hr = csif.HrOpen(pci->pszInfFile, NULL, INF_STYLE_OLDNT | INF_STYLE_WIN4, NULL);
if (SUCCEEDED(hr))
{
// Install the unattend params
//
hr = HrSetupInstallFromInfSection (
NULL,
csif.Hinf(),
c_szDHCPServerUnattendRegSection,
SPINST_REGISTRY,
hkeyService,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL);
}
}
RegCloseKey(hkeyService);
}
TraceHr(ttidDHCPServer, FAL, hr, FALSE, "CDHCPServer::HrWriteUnattendedKeys");
return hr;
}
//+---------------------------------------------------------------------------
//
// Member: CDHCPServer::HrWriteDhcpOptionInfo
//
// Purpose: Write to the registry the Dhcp OptionInfo data.
//
// Arguments:
// hkeyConfig
//
// Returns: S_OK if successful, Reg API error otherwise.
//
// Notes:
//
HRESULT CDHCPServer::HrWriteDhcpOptionInfo(HKEY hkeyConfig)
{
HRESULT hr;
DWORD dwDisposition;
HKEY hkeyOptionInfo = NULL;
typedef struct
{
const WCHAR * pcszOptionKeyName;
const WCHAR * pcszOptionName;
const WCHAR * pcszOptionComment;
DWORD dwOptionType;
DWORD dwOptionId;
DWORD cbBinData;
DWORD * pdwBinData;
} OIDATA;
OIDATA OiData[2];
DWORD BinData006[] = {0x14, 0x4, 0x1, 0x0, 0x0};
DWORD BinData015[] = {0x18, 0x5, 0x1, 0x0, 0x2, 0x0};
OiData[0].pcszOptionKeyName = L"006";
OiData[0].pcszOptionName = SzLoadIds(IDS_DHCP_OPTION_006_NAME); // DNS Servers
OiData[0].pcszOptionComment = SzLoadIds(IDS_DHCP_OPTION_006_COMMENT); // Array of DNS Servers, by preference
OiData[0].dwOptionType = 0x1;
OiData[0].dwOptionId = 0x6;
OiData[0].cbBinData = celems(BinData006) * sizeof(BinData006[0]);
OiData[0].pdwBinData = BinData006;
OiData[1].pcszOptionKeyName = L"015";
OiData[1].pcszOptionName = SzLoadIds(IDS_DHCP_OPTION_015_NAME); // DNS Domain Name
OiData[1].pcszOptionComment = SzLoadIds(IDS_DHCP_OPTION_015_COMMENT); // Domainname for client resolutions
OiData[1].dwOptionType = 0x0;
OiData[1].dwOptionId = 0xf;
OiData[1].cbBinData = celems(BinData015) * sizeof(BinData015[0]);
OiData[1].pdwBinData = BinData015;
hr = ::HrRegCreateKeyEx(hkeyConfig, c_szOptionInfo,
REG_OPTION_NON_VOLATILE,
KEY_READ, NULL,
&hkeyOptionInfo, &dwDisposition);
if (SUCCEEDED(hr))
{
for (UINT idx=0;
(idx<celems(OiData)) && SUCCEEDED(hr);
idx++)
{
HKEY hkey = NULL;
hr = ::HrRegCreateKeyEx(hkeyOptionInfo, OiData[idx].pcszOptionKeyName,
REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE, NULL,
&hkey, &dwDisposition);
if (SUCCEEDED(hr))
{
(VOID)::HrRegSetString(hkey, L"OptionName",
OiData[idx].pcszOptionName);
(VOID)::HrRegSetString(hkey, L"OptionComment",
OiData[idx].pcszOptionComment);
(VOID)::HrRegSetDword(hkey, L"OptionType",
OiData[idx].dwOptionType);
(VOID)::HrRegSetDword(hkey, L"OptionId",
OiData[idx].dwOptionId);
(VOID)::HrRegSetBinary(hkey, L"OptionValue",
(const BYTE *)OiData[idx].pdwBinData,
OiData[idx].cbBinData);
RegCloseKey(hkey);
}
}
RegCloseKey(hkeyOptionInfo);
}
TraceError("HrWriteDhcpOptionInfo", hr);
return hr;
}
//+---------------------------------------------------------------------------
//
// Member: CDHCPServer::HrWriteDhcpSubnets
//
// Purpose: Write to the registry the Dhcp Subnet data.
//
// Arguments:
// hkeyDhcpCfg
// pszSubnet
// pszStartIp
// dwEndIp
// dwSubnetMask
// dwLeaseDuration
// dwDnsServer
// pszDomainName
//
// Returns: S_OK if successful, Reg API error otherwise.
//
// Notes:
//
HRESULT
CDHCPServer::HrWriteDhcpSubnets (
HKEY hkeyDhcpCfg,
PCWSTR pszSubnet,
PCWSTR pszStartIp,
DWORD dwEndIp,
DWORD dwSubnetMask,
DWORD dwLeaseDuration,
DWORD dwDnsServer,
PCWSTR pszDomainName)
{
DWORD dwDisposition;
HRESULT hr;
HKEY hkeySubnets = NULL;
hr = HrRegCreateKeyEx(hkeyDhcpCfg, c_szSubnets, REG_OPTION_NON_VOLATILE,
KEY_READ, NULL, &hkeySubnets, &dwDisposition);
if (S_OK == hr)
{
HKEY hkey10Dot = NULL;
hr = HrRegCreateKeyEx(hkeySubnets, pszSubnet, REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE, NULL, &hkey10Dot, &dwDisposition);
if (S_OK == hr)
{
HKEY hkeySubnetOptions = NULL;
HKEY hkeyIpRanges = NULL;
(VOID)HrRegSetString(hkey10Dot, L"SubnetName",
SzLoadIds(IDS_DHCP_SUBNET_NAME)); // DHCP Server Scope
(VOID)HrRegSetString(hkey10Dot, L"SubnetComment",
SzLoadIds(IDS_DHCP_SUBNET_COMMENT)); // Scope used to offer clients address
(VOID)HrRegSetDword(hkey10Dot, L"SubnetState", 0x0);
(VOID)HrRegSetDword(hkey10Dot, L"SubnetAddress",
IpPszToHostAddr(pszSubnet));
(VOID)HrRegSetDword(hkey10Dot, L"SubnetMask", dwSubnetMask);
hr = HrRegCreateKeyEx(hkey10Dot, c_szIpRanges,
REG_OPTION_NON_VOLATILE,
KEY_READ, NULL,
&hkeyIpRanges, &dwDisposition);
if (S_OK == hr)
{
HKEY hkeyStartIp = NULL;
hr = HrRegCreateKeyEx(hkeyIpRanges, pszStartIp,
REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE, NULL,
&hkeyStartIp, &dwDisposition);
if (S_OK == hr)
{
(VOID)HrRegSetDword(hkeyStartIp, L"RangeFlags", 0x1);
(VOID)HrRegSetDword(hkeyStartIp, L"StartAddress",
IpPszToHostAddr(pszStartIp));
(VOID)HrRegSetDword(hkeyStartIp, L"EndAddress",
dwEndIp);
RegCloseKey(hkeyStartIp);
}
RegCloseKey(hkeyIpRanges);
}
// Create subnets options key
//
hr = HrRegCreateKeyEx(hkey10Dot, c_szSubnetOptions,
REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE, NULL,
&hkeySubnetOptions, &dwDisposition);
if (S_OK == hr)
{
HKEY hkey051 = NULL;
hr = HrRegCreateKeyEx(hkeySubnetOptions, L"051",
REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE, NULL,
&hkey051, &dwDisposition);
if (S_OK == hr)
{
(VOID)HrRegSetDword(hkey051, L"OptionId", 0x33);
DWORD rgdwLease[] = {0x14, 0x2, 0x1, 0x0, 0x0};
rgdwLease[celems(rgdwLease) - 1] = dwLeaseDuration;
(VOID)HrRegSetBinary(hkey051,
L"OptionValue",
(const BYTE *)rgdwLease,
sizeof(rgdwLease));
RegCloseKey(hkey051);
}
HKEY hkey006 = NULL;
hr = HrRegCreateKeyEx(hkeySubnetOptions, L"006",
REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE, NULL,
&hkey006, &dwDisposition);
if (S_OK == hr)
{
(VOID)HrRegSetDword(hkey006, L"OptionId", 0x6);
DWORD rgdwDnsServer[] = {0x14, 0x4, 0x1, 0x0, 0x0};
rgdwDnsServer[celems(rgdwDnsServer) - 1] = dwDnsServer;
(VOID)::HrRegSetBinary(hkey006,
L"OptionValue",
(const BYTE *)rgdwDnsServer,
sizeof(rgdwDnsServer));
RegCloseKey(hkey006);
}
HKEY hkey015 = NULL;
hr = HrRegCreateKeyEx(hkeySubnetOptions, L"015",
REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE, NULL,
&hkey015, &dwDisposition);
if (S_OK == hr)
{
(VOID)HrRegSetDword(hkey015, L"OptionId", 0xf);
UINT uLen = 0x18 + 2 * lstrlenW(pszDomainName);
LPBYTE pb = (LPBYTE)MemAlloc(uLen);
if (pb)
{
ZeroMemory(pb, uLen);
DWORD *pdw = (DWORD *)pb;
pdw[0] = uLen;
pdw[1] = 0x5;
pdw[2] = 0x1;
pdw[3] = 0x0;
pdw[4] = 2 * (1 + lstrlenW(pszDomainName));
lstrcpyW((PWSTR)&pdw[5], pszDomainName);
(VOID)::HrRegSetBinary(hkey015, L"OptionValue",
(const BYTE *)pb, uLen);
MemFree(pb);
}
RegCloseKey(hkey015);
}
RegCloseKey(hkeySubnetOptions);
}
RegCloseKey(hkey10Dot);
}
RegCloseKey(hkeySubnets);
}
TraceError("HrWriteDhcpSubnets", hr);
return hr;
}
//+---------------------------------------------------------------------------
//
// Member: CDHCPServer::HrProcessDhcpServerSolutionsParams
//
// Purpose: Handles necessary processing of contents of the answer file.
//
// Arguments:
// pcsif [in] Filename of answer file for upgrade.
// pszAnswerSection [in] Answerfile section in the
// file appropriate to this component.
//
// Returns: S_OK if successful, setup API error otherwise.
//
// Notes:
//
HRESULT
CDHCPServer::HrProcessDhcpServerSolutionsParams (
IN CSetupInfFile * pcsif,
IN PCWSTR pszAnswerSection)
{
HRESULT hr;
tstring str;
tstring strStartIp;
tstring strSubnet;
hr = pcsif->HrGetString(pszAnswerSection, c_szSubnets, &strSubnet);
if (SUCCEEDED(hr))
{
hr = pcsif->HrGetString(pszAnswerSection, c_szStartIp, &strStartIp);
if (SUCCEEDED(hr))
{
hr = pcsif->HrGetString(pszAnswerSection, c_szEndIp, &str);
if (SUCCEEDED(hr))
{
DWORD dwEndIp = IpPszToHostAddr(str.c_str());
hr = pcsif->HrGetString(pszAnswerSection, c_szSubnetMask, &str);
if (SUCCEEDED(hr))
{
DWORD dwSubnetMask = IpPszToHostAddr(str.c_str());
hr = pcsif->HrGetString(pszAnswerSection, c_szDnsServer, &str);
if (SUCCEEDED(hr))
{
DWORD dwLeaseDuration;
DWORD dwDnsServer = IpPszToHostAddr(str.c_str());
hr = pcsif->HrGetDword(pszAnswerSection, c_szLeaseDuration,
&dwLeaseDuration);
if (SUCCEEDED(hr))
{
hr = pcsif->HrGetString(pszAnswerSection,
c_szDomainName, &str);
if (SUCCEEDED(hr) && lstrlenW(str.c_str()))
{
HKEY hkeyDhcpCfg = NULL;
DWORD dwDisposition;
// Write the registry data
//
hr = ::HrRegCreateKeyEx(HKEY_LOCAL_MACHINE,
c_szDHCPServerConfigPath,
REG_OPTION_NON_VOLATILE,
KEY_READ_WRITE, NULL,
&hkeyDhcpCfg, &dwDisposition);
if (SUCCEEDED(hr))
{
hr = HrWriteDhcpOptionInfo(hkeyDhcpCfg);
if (SUCCEEDED(hr))
{
hr = HrWriteDhcpSubnets(hkeyDhcpCfg,
strSubnet.c_str(),
strStartIp.c_str(),
dwEndIp,
dwSubnetMask,
dwLeaseDuration,
dwDnsServer,
str.c_str());
}
RegCloseKey(hkeyDhcpCfg);
}
}
}
}
}
}
}
}
// If there are any params missing, so be it
//
if ((SPAPI_E_SECTION_NOT_FOUND == hr) ||
(SPAPI_E_LINE_NOT_FOUND == hr) ||
(HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND) == hr))
{
hr = S_OK;
}
TraceHr(ttidDHCPServer, FAL, hr, FALSE, "CDHCPServer::HrProcessDhcpServerSolutionsParams");
return hr;
}
//+---------------------------------------------------------------------------
//
// Member: CDHCPServer::HrProcessAnswerFile
//
// Purpose: Handles necessary processing of contents of the answer file.
//
// Arguments:
// pszAnswerFile [in] Filename of answer file for upgrade.
// pszAnswerSection [in] Answer file section in the
// file appropriate to this component.
//
// Returns: S_OK if successful, setup API error otherwise.
//
// Author: jeffspr 8 May 1997
//
// Notes:
//
HRESULT
CDHCPServer::HrProcessAnswerFile (
IN PCWSTR pszAnswerFile,
IN PCWSTR pszAnswerSection)
{
HRESULT hr = S_OK;
CSetupInfFile csif;
TraceTag(ttidDHCPServer, "CDHCPServer::HrProcessAnswerFile()");
// Open the answer file.
hr = csif.HrOpen(pszAnswerFile, NULL, INF_STYLE_OLDNT | INF_STYLE_WIN4, NULL);
if (FAILED(hr))
{
TraceHr(ttidDHCPServer, FAL, hr, FALSE, "CDHCPServer::HrProcessAnswerFile -- HrOpen failed()");
hr = S_OK;
goto Exit;
}
// Restore portions of the registry based on file names from the answer
// file
// Get restore file for "Parameters" key
hr = csif.HrGetString(pszAnswerSection, c_szAfDhcpServerParameters,
&m_strParamsRestoreFile);
if (FAILED(hr))
{
TraceHr(ttidDHCPServer, FAL, hr, FALSE, "CDHCPServer::HrProcessAnswerFile - Error restoring "
"Parameters key");
// oh well, just continue
hr = S_OK;
}
// Get restore file for "Configuration" key
hr = csif.HrGetString(pszAnswerSection, c_szAfDhcpServerConfiguration,
&m_strConfigRestoreFile);
if (FAILED(hr))
{
TraceHr(ttidDHCPServer, FAL, hr, FALSE, "CDHCPServer::HrProcessAnswerFile - Error restoring "
"Config key");
// oh well, just continue
hr = S_OK;
}
// Server Solutions has some parameters that need to be plumbed into the registry
// for their unattended install scenarios
//
hr = HrProcessDhcpServerSolutionsParams(&csif, pszAnswerSection);
Exit:
TraceHr(ttidDHCPServer, FAL, hr, FALSE, "CDHCPServer::HrProcessAnswerFile");
return hr;
}
STDMETHODIMP CDHCPServer::ReadAnswerFile(
IN PCWSTR pszAnswerFile,
IN PCWSTR pszAnswerSection)
{
HRESULT hr = S_OK;
TraceTag(ttidDHCPServer, "CDHCPServer::ReadAnswerFile()");
// don't call Validate_INetCfgNotify_ReadAnswerFile here, as the netoc
// installer for this will intentionally call it with NULL params. The
// Validate macro actually causes a return E_INVALIDARG in this case.
// We're being installed unattended
//
m_fUnattend = TRUE;
TraceTag(ttidDHCPServer, "Answerfile: %S",
pszAnswerFile ? pszAnswerFile : L"<none>");
TraceTag(ttidDHCPServer, "Answersection: %S",
pszAnswerSection ? pszAnswerSection : L"<none>");
// If we're not already installed, do the work.
//
if (pszAnswerFile && pszAnswerSection)
{
// Process the actual answer file (read our sections)
//
hr = HrProcessAnswerFile(pszAnswerFile, pszAnswerSection);
if (FAILED(hr))
{
TraceHr(ttidDHCPServer, FAL, NETSETUP_E_ANS_FILE_ERROR, FALSE,
"CDHCPServer::ReadAnswerFile - Answer file has errors. Defaulting "
"all information as if answer file did not exist.");
hr = S_OK;
}
}
Validate_INetCfgNotify_ReadAnswerFile_Return(hr);
TraceHr(ttidDHCPServer, FAL, hr, FALSE, "CDHCPServer::ReadAnswerFile");
return hr;
}
STDMETHODIMP CDHCPServer::Install(DWORD dwSetupFlags)
{
TraceTag(ttidDHCPServer, "CDHCPServer::Install()");
Validate_INetCfgNotify_Install(dwSetupFlags);
m_eInstallAction = eActInstall;
TraceTag(ttidDHCPServer, "dwSetupFlags = %d", dwSetupFlags);
TraceTag(ttidDHCPServer, "NSF_WINNT_WKS_UPGRADE = %x", NSF_WINNT_WKS_UPGRADE);
TraceTag(ttidDHCPServer, "NSF_WINNT_SVR_UPGRADE = %x", NSF_WINNT_SVR_UPGRADE);
if ((NSF_WINNT_WKS_UPGRADE & dwSetupFlags) ||
(NSF_WINNT_SBS_UPGRADE & dwSetupFlags) ||
(NSF_WINNT_SVR_UPGRADE & dwSetupFlags))
{
TraceTag(ttidDHCPServer, "This is indeed an upgrade");
m_fUpgrade = TRUE;
}
else
{
TraceTag(ttidDHCPServer, "This is NOT an upgrade");
}
return S_OK;
}
STDMETHODIMP CDHCPServer::Removing()
{
m_eInstallAction = eActRemove;
return S_OK;
}
STDMETHODIMP CDHCPServer::Validate()
{
return S_OK;
}
STDMETHODIMP CDHCPServer::CancelChanges()
{
return S_OK;
}
STDMETHODIMP CDHCPServer::ApplyRegistryChanges()
{
HRESULT hr = S_OK;
TraceTag(ttidDHCPServer, "CDHCPServer::ApplyRegistryChanges()");
TraceTag(ttidDHCPServer, "ApplyRegistryChanges -- Unattend: %d", m_fUnattend);
TraceTag(ttidDHCPServer, "ApplyRegistryChanges -- Upgrade: %d", m_fUpgrade);
if (m_eInstallAction == eActInstall)
{
TraceTag(ttidDHCPServer, "ApplyRegistryChanges -- Installing");
// We used to only do this on upgrade, now we'll do it all the time.
// If there's no answerfile info for the restore files, then we
// won't do anything, and life will still be fine.
//
hr = HrRestoreRegistry();
if (FAILED(hr))
{
TraceHr(ttidDHCPServer, FAL, hr, FALSE,
"CDHCPServer::ApplyRegistryChanges - HrRestoreRegistry non-fatal error");
hr = S_OK;
}
if (m_fUnattend && !m_fUpgrade)
{
// I'm if 0'ing this out for now. All of this work was done to appease Ram Cherala
// and whoever asked him to do the same for SP4. Now we're hearing from Ye Gu that
// we don't even want this code on normal NT4/NT5. Who knows what the desire will
// be in the future.
//
#if 0
hr = HrWriteUnattendedKeys();
if (FAILED(hr))
{
TraceHr(ttidDHCPServer, FAL, hr, FALSE,
"CDHCPServer::ApplyRegistryChanges - HrWriteUnattendedKeys non-fatal error");
hr = S_OK;
}
#endif
}
// Bug #153298: Mark as upgrade so DS info is upgraded
if (m_fUpgrade)
{
DHCP_MARKUPG_ROUTINE pfnDhcpMarkUpgrade;
HMODULE hmod;
hr = HrLoadLibAndGetProc(L"dhcpssvc.dll",
"DhcpMarkUpgrade",
&hmod,
(FARPROC *)&pfnDhcpMarkUpgrade);
if (SUCCEEDED(hr))
{
TraceTag(ttidDHCPServer, "Upgrading DS info...");
pfnDhcpMarkUpgrade();
FreeLibrary(hmod);
}
else
{
TraceHr(ttidDHCPServer, FAL, hr, FALSE,
"CDHCPServer::ApplyRegistryChanges - Failed to upgrade DS info. Non-fatal");
hr = S_OK;
}
}
}
else if (m_eInstallAction == eActRemove)
{
TraceTag(ttidDHCPServer, "ApplyRegistryChanges -- removing");
// RAID #154380: Clean up DS before uninstalling
{
DHCP_CLEAR_DS_ROUTINE pfnDhcpDsClearHostServerEntries;
HMODULE hmod;
hr = HrLoadLibAndGetProc(L"dhcpsapi.dll",
"DhcpDsClearHostServerEntries",
&hmod,
(FARPROC *)&pfnDhcpDsClearHostServerEntries);
if (SUCCEEDED(hr))
{
TraceTag(ttidDHCPServer, "Removing DS info...");
pfnDhcpDsClearHostServerEntries();
FreeLibrary(hmod);
}
else
{
TraceHr(ttidDHCPServer, FAL, hr, FALSE,
"CDHCPServer::ApplyRegistryChanges - Failed to remove DS info. Non-fatal");
hr = S_OK;
}
}
}
Validate_INetCfgNotify_Apply_Return(hr);
TraceHr(ttidDHCPServer, FAL, hr, (hr == S_FALSE), "CDHCPServer::ApplyRegistryChanges");
return hr;
}