Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows NT5.0
// Copyright (C) Microsoft Corporation, 1997.
//
// File: N U U T I L S . C P P
//
// Contents: Functions needed by OEM DLLs for OEM network upgrade
//
// Notes:
//
// Author: kumarp 16-October-97
//
//----------------------------------------------------------------------------
#include "pch.h"
#pragma hdrstop
#include "kkstl.h"
#include "nustrs.h"
#include "nuutils.h"
#include "netupgrd.h"
#include "kkutils.h"
#include "ncreg.h"
// ----------------------------------------------------------------------
extern const WCHAR c_szNetUpgradeDll[];
extern const WCHAR c_szRegValServiceName[];
static const WCHAR c_szComponent[] = L"Component";
// ----------------------------------------------------------------------
//
// Function: HrGetWindowsDir
//
// Purpose: Return full path to %WINDIR%
//
// Arguments:
// pstrWinDir [out] full path to windir
//
// Returns: S_OK on success, otherwise an error code
//
// Author: kumarp 19-December-97
//
// Notes:
//
HRESULT HrGetWindowsDir(OUT tstring* pstrWinDir)
{
DefineFunctionName("HrGetWindowsDir");
HRESULT hr=S_OK;
WCHAR szWindowsDir[MAX_PATH+1];
DWORD cNumCharsReturned = GetWindowsDirectory(szWindowsDir, MAX_PATH);
if (cNumCharsReturned)
{
*pstrWinDir = szWindowsDir;
}
else
{
hr = HrFromLastWin32Error();
}
TraceError(__FUNCNAME__, hr);
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: HrGetNetupgrdDir
//
// Purpose: Get the full path of directory containing netupgrd.dll
//
// Arguments:
// pstrNetupgrdDir [out] the directory path is returned in this
//
// Returns: S_OK or an HRESULT_FROM_WIN32 error code.
//
// Author: kumarp 24-July-97
//
// Notes:
//
HRESULT HrGetNetupgrdDir(OUT tstring* pstrNetupgrdDir)
{
DefineFunctionName("HrGetNetupgrdDir");
AssertValidWritePtr(pstrNetupgrdDir);
HRESULT hr=S_OK;
WCHAR szNetupgrd[MAX_PATH+1];
HMODULE hModule = GetModuleHandle(c_szNetUpgradeDll);
DWORD cPathLen = GetModuleFileName(hModule, szNetupgrd, MAX_PATH);
if (!cPathLen)
{
hr = ERROR_FILE_NOT_FOUND;
goto return_from_function;
}
// split path into components
WCHAR szDrive[_MAX_DRIVE+1];
WCHAR szDir[_MAX_DIR+1];
_wsplitpath(szNetupgrd, szDrive, szDir, NULL, NULL);
*pstrNetupgrdDir = szDrive;
*pstrNetupgrdDir += szDir;
return_from_function:
TraceError(__FUNCNAME__, hr);
return hr;
}
// ======================================================================
// move to common code
// ======================================================================
// ----------------------------------------------------------------------
//
// Function: HrSetupGetLineText
//
// Purpose: Wrapper around SetupGetLineText
//
// Arguments:
// Context [in] pointer to INFCONTEXT
// hinf [in] handle of INF
// pszSection [in] section name
// pszKey [in] key name
// pstrReturnedText [in] pointer to returned text
//
// Returns: S_OK on success, otherwise an error code
//
// Author: kumarp 19-December-97
//
// Notes:
//
HRESULT HrSetupGetLineText(PINFCONTEXT Context,
HINF hinf,
PCWSTR pszSection,
PCWSTR pszKey,
tstring* pstrReturnedText)
{
DefineFunctionName("HrSetupGetLineText");
BOOL fStatus;
HRESULT hr;
WCHAR szLineText[MAX_INF_STRING_LENGTH+1];
if (::SetupGetLineText(Context, hinf, pszSection, pszKey, szLineText,
MAX_INF_STRING_LENGTH, NULL))
{
hr = S_OK;
*pstrReturnedText = szLineText;
}
else
{
hr = HrFromLastWin32Error ();
}
TraceError(__FUNCNAME__, hr);
return hr;
}
// ----------------------------------------------------------------------
//
// Function: HrCopyFiles
//
// Purpose: Recursively copy all files in SrcDir to DstDir
//
// Arguments:
// pszSrcDir [in] source dir
// pszDstDir [in] dest. dir
//
// Returns: S_OK on success, otherwise an error code
//
// Author: kumarp 19-December-97
//
// Notes:
//
HRESULT HrCopyFiles(IN PCWSTR pszSrcDir, IN PCWSTR pszDstDir)
{
DefineFunctionName("HrCopyFiles");
HRESULT hr=S_OK;
BOOL fStatus=FALSE;
DWORD dwError=ERROR_SUCCESS;
TraceTag(ttidNetUpgrade, "%s: Src: %S, Dst: %S",
__FUNCNAME__, pszSrcDir, pszDstDir);
HANDLE hFileContext;
WIN32_FIND_DATA fd;
tstring strSrcDirAllFiles;
tstring strDstDir;
tstring strSrcDir;
tstring strFileSrcFullPath;
tstring strFileDstFullPath;
strSrcDir = pszSrcDir;
AppendToPath(&strSrcDir, c_szEmpty);
strDstDir = pszDstDir;
AppendToPath(&strDstDir, c_szEmpty);
strSrcDirAllFiles = pszSrcDir;
AppendToPath(&strSrcDirAllFiles, L"*");
hFileContext = FindFirstFile(strSrcDirAllFiles.c_str(), &fd);
if (hFileContext != INVALID_HANDLE_VALUE)
{
do
{
strFileSrcFullPath = strSrcDir + fd.cFileName;
strFileDstFullPath = strDstDir + fd.cFileName;
if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
if (!lstrcmpiW(fd.cFileName, L".") ||
!lstrcmpiW(fd.cFileName, L".."))
{
hr = S_OK;
TraceTag(ttidNetUpgrade, "%s: skipped %S",
__FUNCNAME__, strFileSrcFullPath.c_str());
}
else
{
TraceTag(ttidNetUpgrade, "%s: creating dir: %S",
__FUNCNAME__, strFileDstFullPath.c_str());
fStatus = CreateDirectory(strFileDstFullPath.c_str(), NULL);
if (!fStatus)
{
dwError = GetLastError();
}
if (fStatus || (ERROR_ALREADY_EXISTS == dwError))
{
hr = HrCopyFiles(strFileSrcFullPath.c_str(),
strFileDstFullPath.c_str());
}
else
{
hr = HrFromLastWin32Error();
}
}
}
else if (!(fd.dwFileAttributes & FILE_ATTRIBUTE_OFFLINE))
{
TraceTag(ttidNetUpgrade, "%s: copying %S to %S",
__FUNCNAME__, strFileSrcFullPath.c_str(),
strFileDstFullPath.c_str());
if (CopyFile(strFileSrcFullPath.c_str(),
strFileDstFullPath.c_str(), FALSE))
{
hr = S_OK;
}
else
{
hr = HrFromLastWin32Error();
}
}
else
{
TraceTag(ttidNetUpgrade, "%s: skipped %S",
__FUNCNAME__, strFileSrcFullPath.c_str());
}
if ((S_OK == hr) && FindNextFile(hFileContext, &fd))
{
hr = S_OK;
}
else
{
hr = HrFromLastWin32Error();
}
}
while (S_OK == hr);
if (hr == HRESULT_FROM_WIN32(ERROR_NO_MORE_FILES))
{
hr = S_OK;
}
FindClose(hFileContext);
}
else
{
hr = HrFromLastWin32Error();
}
TraceError(__FUNCNAME__, hr);
return hr;
}
// ----------------------------------------------------------------------
//
// Function: HrGetNumNetCardsPreNT5
//
// Purpose: Get number of netcards installed on a pre-NT5 system
//
// Arguments:
// pcNetCards [out] pointer to num net cards value
//
// Returns: S_OK on success, otherwise an error code
//
// Author: kumarp 13-April-98
//
// Notes: Dont use it on NT5!
//
HRESULT HrGetNumNetCardsPreNT5(OUT UINT* pcNetCards)
{
DefineFunctionName("HrGetNumNetCardsPreNT5");
HRESULT hr=S_OK;
HKEY hkeyAdapters;
*pcNetCards = 0;
hr = HrRegOpenKeyEx(HKEY_LOCAL_MACHINE, c_szRegKeyAdapterHome,
KEY_READ, &hkeyAdapters);
if (S_OK == hr)
{
WCHAR szBuf[MAX_PATH];
FILETIME time;
DWORD dwSize = celems(szBuf);
DWORD dwRegIndex = 0;
while(S_OK == (hr = HrRegEnumKeyEx(hkeyAdapters, dwRegIndex++, szBuf,
&dwSize, NULL, NULL, &time)))
{
Assert(*szBuf);
dwSize = celems(szBuf);
(*pcNetCards)++;
}
RegCloseKey(hkeyAdapters);
}
TraceErrorSkip2(__FUNCNAME__, hr,
HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND),
HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS));
return hr;
}
// ----------------------------------------------------------------------
//
// Function: HrDirExists
//
// Purpose: Check if the given directory exists
//
// Arguments:
// pszDir [in] full path to a directory
//
// Returns: S_OK if it exists, S_FALSE if not, otherwise an error code
//
// Author: kumarp 09-April-98
//
// Notes:
//
HRESULT HrDirectoryExists(IN PCWSTR pszDir)
{
DefineFunctionName("HrDirExists");
HRESULT hr=S_FALSE;
HANDLE hFile=0;
BY_HANDLE_FILE_INFORMATION bhfi;
hFile = CreateFile(pszDir, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS,
NULL);
if(INVALID_HANDLE_VALUE != hFile) {
if(GetFileInformationByHandle(hFile, &bhfi)) {
if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
hr = S_OK;
}
}
else
{
hr = HrFromLastWin32Error();
}
CloseHandle(hFile);
}
else
{
hr = HrFromLastWin32Error();
}
if ((HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND) == hr) ||
(HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND) == hr))
{
hr = S_FALSE;
}
TraceErrorSkip1(__FUNCNAME__, hr, S_FALSE);
return hr;
}
// ======================================================================
// ----------------------------------------------------------------------
//
// Function: HrGetPreNT5InfIdAndDesc
//
// Purpose: Get pre-NT5 InfID and description of a net component
//
// Arguments:
// hkeyCurrentVersion [in] handle of HKLM\Software\<provider>\<component>\CurrentVersion
// pstrInfId [out] InfID returned
// pstrDescription [out] description returned
// pstrServiceName [out] service name returned
//
// Returns: S_OK on success, otherwise an error code
//
// Author: kumarp 19-December-97
//
// Notes:
//
HRESULT HrGetPreNT5InfIdAndDesc(IN HKEY hkeyCurrentVersion,
OUT tstring* pstrInfId,
OUT tstring* pstrDescription,
OUT tstring* pstrServiceName)
{
DefineFunctionName("HrGetPreNT5InfIdAndDesc");
Assert(hkeyCurrentVersion);
AssertValidWritePtr(pstrInfId);
HRESULT hr=S_OK;
HKEY hkeyNetRules;
hr = HrRegOpenKeyEx(hkeyCurrentVersion, c_szRegKeyNetRules,
KEY_READ, &hkeyNetRules);
if (S_OK == hr)
{
hr = HrRegQueryString(hkeyNetRules, c_szRegValInfOption, pstrInfId);
if ((S_OK == hr) && pstrDescription)
{
hr = HrRegQueryString(hkeyCurrentVersion, c_szRegValDescription,
pstrDescription);
}
if ((S_OK == hr) && pstrServiceName)
{
hr = HrRegQueryString(hkeyCurrentVersion, c_szRegValServiceName,
pstrServiceName);
}
RegCloseKey(hkeyNetRules);
}
if (HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND) == hr)
{
hr = S_FALSE;
}
TraceErrorOptional(__FUNCNAME__, hr, (hr == S_FALSE));
return hr;
}
// ----------------------------------------------------------------------
//
// Function: GetUnsupportedMessage
//
// Purpose: Generate a message of the form:
// Unsupported Net Card: DEC FDDIcontroller/PCI (DEFPA)
//
// Arguments:
// pszComponentType [in] type of component (net card/service/proto)
// pszPreNT5InfId [in] pre-NT5 InfID
// pszDescription [in] description
// pstrMsg [out] generated message
//
// Returns: None
//
// Author: kumarp 19-December-97
//
// Notes:
//
void GetUnsupportedMessage(IN PCWSTR pszComponentType,
IN PCWSTR pszPreNT5InfId,
IN PCWSTR pszDescription,
OUT tstring* pstrMsg)
{
AssertValidReadPtr(pszPreNT5InfId);
AssertValidReadPtr(pszDescription);
AssertValidWritePtr(pstrMsg);
if (!pszComponentType)
{
pszComponentType = c_szComponent;
}
const WCHAR c_szUnsupported[] = L"Possibly unsupported ";
*pstrMsg = c_szUnsupported;
*pstrMsg = *pstrMsg + pszComponentType + L" : " +
pszDescription + L" (" + pszPreNT5InfId + L")";
}
// ----------------------------------------------------------------------
//
// Function: GetUnsupportedMessageBool
//
// Purpose: Generate a message of the form:
// Unsupported Net Card: DEC FDDIcontroller/PCI (DEFPA)
//
// Arguments:
// fIsHardwareComponent [in] TRUE for a net card
// pszPreNT5InfId [in] pre-NT5 InfID
// pszDescription [in] description
// pstrMsg [out] generated message
//
// Returns: None
//
// Author: kumarp 19-December-97
//
// Notes:
//
void GetUnsupportedMessageBool(IN BOOL fIsHardwareComponent,
IN PCWSTR pszPreNT5InfId,
IN PCWSTR pszDescription,
OUT tstring* pstrMsg)
{
AssertValidReadPtr(pszPreNT5InfId);
AssertValidReadPtr(pszDescription);
AssertValidWritePtr(pstrMsg);
GetUnsupportedMessage(fIsHardwareComponent ?
c_szNetCard : c_szComponent,
pszPreNT5InfId, pszDescription, pstrMsg);
}
// ----------------------------------------------------------------------
//
// Function: ConvertMultiSzToDelimitedList
//
// Purpose: Convert a multi-sz to a delimited list
//
// Arguments:
// mszList [in] multi-sz
// chDelimeter [in] delimiter
// pstrList [out] delimited list
//
// Returns: None
//
// Author: kumarp 19-December-97
//
// Notes:
//
void ConvertMultiSzToDelimitedList(IN PCWSTR mszList,
IN WCHAR chDelimeter,
OUT tstring* pstrList)
{
ULONG ulLen;
*pstrList = c_szEmpty;
if (mszList)
{
while (*mszList)
{
ulLen = lstrlen(mszList);
*pstrList += mszList;
*pstrList += chDelimeter;
mszList += (ulLen + 1);
}
}
}
//+---------------------------------------------------------------------------
//
// Function: FIsPreNT5NetworkingInstalled
//
// Purpose: Find out if atleast one networking component is installed
//
// Arguments: None
//
// Returns: TRUE on success, FALSE otherwise
//
// Author: kumarp 29-July-98
//
// Notes: Valid only on pre NT5 versions
//
BOOL FIsPreNT5NetworkingInstalled()
{
DefineFunctionName("FIsPreNT5NetworkingInstalled");
HRESULT hr=S_OK;
UINT cAdapters=0;
if ((S_OK == HrGetNumNetCardsPreNT5(&cAdapters)) &&
(cAdapters > 0))
{
return TRUE;
}
else
{
TraceTag(ttidNetUpgrade, "%s: no netcard found, trying to find other network components...", __FUNCNAME__);
static const PCWSTR c_aszPreNt5NetworkingServices[] =
{
L"Alerter",
L"Browser",
L"DHCP",
L"IpRip",
L"LanmanServer",
L"LanmanWorkstation",
L"Messenger",
L"NWCWorkstation",
L"NetBIOS",
L"NetBT",
L"NtLmSsp",
L"NwlnkIpx",
L"NwlnkNb",
L"NwlnkRip",
L"NwlnkSpx",
L"RasAuto",
L"RasMan",
L"Rdr",
L"RelayAgent",
L"RemoteAccess",
L"Router",
L"Rpclocator",
L"Srv",
L"Tcpip",
};
for (int i = 0; i < celems(c_aszPreNt5NetworkingServices); i++)
{
if (FIsServiceKeyPresent(c_aszPreNt5NetworkingServices[i]))
{
return TRUE;
}
}
}
TraceTag(ttidNetUpgrade, "%s: no netcards or net components found",
__FUNCNAME__);
return FALSE;
}
#ifdef ENABLETRACE
// ----------------------------------------------------------------------
//
// Function: TraceStringList
//
// Purpose: Trace items of a TStringList
//
// Arguments:
// ttid [in] trace tag id to use
// pszMsgPrefix [in] prefix to use
// sl [in] list
//
// Returns: None
//
// Author: kumarp 19-December-97
//
// Notes:
//
void TraceStringList(IN TraceTagId ttid,
IN PCWSTR pszMsgPrefix,
IN TStringList& sl)
{
tstring strTemp;
ConvertStringListToCommaList(sl, strTemp);
TraceTag(ttid, "%S : %S", pszMsgPrefix, strTemp.c_str());
}
// ----------------------------------------------------------------------
//
// Function: TraceMultiSz
//
// Purpose: Trace elements of a multi-sz
//
// Arguments:
// ttid [in] trace tag id to use
// pszMsgPrefix [in] prefix to use
// msz [in] multi-sz
//
// Returns: None
//
// Author: kumarp 19-December-97
//
// Notes:
//
void TraceMultiSz(IN TraceTagId ttid,
IN PCWSTR pszMsgPrefix,
IN PCWSTR msz)
{
tstring strTemp;
ConvertMultiSzToDelimitedList(msz, ',', &strTemp);
TraceTag(ttid, "%S : %S", pszMsgPrefix, strTemp.c_str());
}
#endif