Windows-Server-2003/net/layer2svc/wlsnp/snputils.cpp

359 lines
8.1 KiB
C++

//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1997 - 1999
//
// File: SnpUtils.cpp
//
//--------------------------------------------------------------------------
#include "stdafx.h"
#include "windowsx.h"
DWORD FormatError(HRESULT hr, TCHAR *pszBuffer, UINT cchBuffer)
{
DWORD dwErr;
// Copy over default message into szBuffer
_tcscpy(pszBuffer, _T("Error"));
// Ok, we can't get the error info, so try to format it
// using the FormatMessage
// Ignore the return message, if this call fails then I don't
// know what to do.
dwErr = FormatMessage(
FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
hr,
0,
pszBuffer,
cchBuffer,
NULL);
pszBuffer[cchBuffer-1] = 0;
return dwErr;
}
///////////////////////////////////////////////////////////////////////////////
// GetErrorMessage
// Format the error message based on the HRESULT
//
// Note: The caller should NOT try to modify the string returned by this function
//
LPCTSTR GetErrorMessage(HRESULT hr)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
static CString st;
st = _T("");
if (FAILED(hr))
{
TCHAR szBuffer[2048];
CString stErrCode;
FormatError(hr, szBuffer, DimensionOf(szBuffer));
stErrCode.Format(_T("%08lx"), hr);
AfxFormatString2(st, IDS_ERROR_SYSTEM_ERROR_FORMAT,
szBuffer, (LPCTSTR) stErrCode);
}
return (LPCTSTR)st;
}
void ReportError(UINT uMsgId, HRESULT hr)
{
CString strMessage;
CThemeContextActivator activator;
strMessage.FormatMessage (uMsgId, GetErrorMessage(hr));
AfxMessageBox (strMessage);
}
//Allocate the data buffer for a new Wireless Policy. Fills in
//default values and the GUID identifier.
//The caller needs to call FreeWirelessPolicyData if the return is
//S_OK
HRESULT CreateWirelessPolicyDataBuffer(
PWIRELESS_POLICY_DATA * ppPolicy
)
{
ASSERT(ppPolicy);
HRESULT hr = S_OK;
*ppPolicy = NULL;
PWIRELESS_POLICY_DATA pPolicy = NULL;
pPolicy = (PWIRELESS_POLICY_DATA)AllocPolMem(sizeof(*pPolicy));
if (NULL == pPolicy)
{
return E_OUTOFMEMORY;
}
CoCreateGuid(&pPolicy->PolicyIdentifier);
pPolicy->dwPollingInterval = 10800;
pPolicy->dwDisableZeroConf = 0;
pPolicy->dwNumPreferredSettings = 0;
pPolicy->dwNetworkToAccess = WIRELESS_ACCESS_NETWORK_ANY;
pPolicy->dwConnectToNonPreferredNtwks = 0;
if (FAILED(hr))
{
if (pPolicy)
{
FreePolMem(pPolicy);
}
}
else
{
*ppPolicy = pPolicy;
}
return hr;
}
void FreeAndThenDupString(LPWSTR * ppwszDest, LPCWSTR pwszSource)
{
ASSERT(ppwszDest);
if (*ppwszDest)
FreePolStr(*ppwszDest);
*ppwszDest = AllocPolStr(pwszSource);
}
void SSIDDupString(WCHAR *ppwszDest, LPCWSTR pwszSource)
{
wcsncpy(ppwszDest,pwszSource, 32);
}
BOOL
IsDuplicateSSID(
CString &NewSSID,
DWORD dwNetworkType,
PWIRELESS_POLICY_DATA pWirelessPolicyData,
DWORD dwId
)
{
DWORD dwError = 0;
DWORD dwNumPreferredSettings = 0;
PWIRELESS_PS_DATA pWirelessPSData = NULL;
PWIRELESS_PS_DATA *ppWirelessPSData = NULL;
DWORD i = 0;
BOOL bDuplicate = FALSE;
DWORD dwSSIDLen = 0;
DWORD dwStart = 0;
DWORD dwEnd = 0;
WCHAR pszTempSSID[33];
ppWirelessPSData = pWirelessPolicyData->ppWirelessPSData;
dwNumPreferredSettings = pWirelessPolicyData->dwNumPreferredSettings;
if (dwNetworkType == WIRELESS_NETWORK_TYPE_AP) {
dwStart = 0;
dwEnd = pWirelessPolicyData->dwNumAPNetworks;
} else
{
dwStart = pWirelessPolicyData->dwNumAPNetworks;
dwEnd = pWirelessPolicyData->dwNumPreferredSettings;
}
for (i = dwStart; i < dwEnd ; i++) {
if (i != dwId) {
pWirelessPSData = *(ppWirelessPSData + i);
dwSSIDLen = pWirelessPSData->dwWirelessSSIDLen;
// terminate the pszWirelessSSID to correct length or comparision may fail
// ideally WirelessSSID should be a 33 char unicode string with room for a null
// char in the end. Since, we didnt start with that to begin with,
// As a hack, copy the ssid to a new location with null termination.
wcsncpy(pszTempSSID, pWirelessPSData->pszWirelessSSID, 32);
pszTempSSID[dwSSIDLen] = L'\0';
if (0 == NewSSID.Compare(pszTempSSID)) {
bDuplicate = TRUE;
}
}
}
return (bDuplicate);
}
HRESULT DeleteWirelessPolicy(HANDLE hPolicyStore,
PWIRELESS_POLICY_DATA pPolicy)
{
ASSERT(pPolicy);
HRESULT hr = S_OK;
CWRg(WirelessDeletePolicyData(
hPolicyStore,
pPolicy
));
Error:
return hr;
}
#ifndef PROPSHEETPAGE_LATEST
#ifdef UNICODE
#define PROPSHEETPAGE_LATEST PROPSHEETPAGEW_LATEST
#else
#define PROPSHEETPAGE_LATEST PROPSHEETPAGEA_LATEST
#endif
#endif
HPROPSHEETPAGE MyCreatePropertySheetPage(PROPSHEETPAGE* ppsp)
{
PROPSHEETPAGE_LATEST pspLatest = {0};
CopyMemory (&pspLatest, ppsp, ppsp->dwSize);
pspLatest.dwSize = sizeof(pspLatest);
HPROPSHEETPAGE pProp= ::CreatePropertySheetPage (&pspLatest);
DWORD dwErr = GetLastError();
{
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
dwErr,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL
);
// Free the buffer.
LocalFree( lpMsgBuf );
}
return pProp;
}
void
InitFonts(
HWND hDialog,
HFONT& bigBoldFont)
{
ASSERT(::IsWindow(hDialog));
do
{
NONCLIENTMETRICS ncm;
memset(&ncm, 0, sizeof(ncm));
ncm.cbSize = sizeof(ncm);
if ( FALSE == ::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &ncm, 0))
{
break;
}
LOGFONT bigBoldLogFont = ncm.lfMessageFont;
bigBoldLogFont.lfWeight = FW_BOLD;
//localize
CString fontName;
fontName.LoadString(IDS_BOLD_FONT_NAME);
// ensure null termination 260237
memset(bigBoldLogFont.lfFaceName, 0, LF_FACESIZE * sizeof(TCHAR));
size_t fnLen = fontName.GetLength();
lstrcpyn(
bigBoldLogFont.lfFaceName, // destination buffer
(LPCTSTR) fontName, // string // don't copy over the last null
min(LF_FACESIZE - 1, fnLen) // number of characters to copy
);
//define font size
CString strTemp;
strTemp.LoadString(IDS_BOLD_FONT_SIZE);
unsigned fontSize = _ttoi( (LPCTSTR) strTemp );
HDC hdc = 0;
hdc = ::GetDC(hDialog);
if ( NULL == hdc )
{
break;
}
bigBoldLogFont.lfHeight =
- ::MulDiv(
static_cast<int>(fontSize),
GetDeviceCaps(hdc, LOGPIXELSY),
72);
bigBoldFont = ::CreateFontIndirect( ( CONST LOGFONT* ) &bigBoldLogFont);
if ( NULL == bigBoldFont )
{
break;
}
ReleaseDC(hDialog, hdc);
}
while (0);
}
void
SetControlFont(HWND parentDialog, int controlID, HFONT font)
{
ASSERT(::IsWindow(parentDialog));
ASSERT(controlID);
ASSERT(font);
HWND control = ::GetDlgItem(parentDialog, controlID);
if (control)
{
SetWindowFont(control, font, TRUE);
}
}
void
SetLargeFont(HWND dialog, int bigBoldResID)
{
ASSERT(::IsWindow(dialog));
ASSERT(bigBoldResID);
static HFONT bigBoldFont = 0;
if (!bigBoldFont)
{
InitFonts(dialog, bigBoldFont);
}
SetControlFont(dialog, bigBoldResID, bigBoldFont);
}