706 lines
19 KiB
C++
706 lines
19 KiB
C++
/*-----------------------------------------------------------------------------
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autodial.cpp
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Main entry point for autodial hook.
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Copyright (C) 1996 Microsoft Corporation
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All rights reserved.
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Authors:
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ChrisK ChrisKauffman
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History:
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7/22/96 ChrisK Cleaned and formatted
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-----------------------------------------------------------------------------*/
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#include "pch.hpp"
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#include "resource.h"
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#include "semaphor.h"
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UINT g_cDialAttempts = 0;
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UINT g_cHangupDelay = 0;
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TCHAR g_szPassword[PWLEN + 1] = TEXT("");
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TCHAR g_szEntryName[RAS_MaxEntryName + 1] = TEXT("");
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HINSTANCE g_hInstance = NULL;
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static LPRASDIALPARAMS lpDialParams = NULL;
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// 4/2/97 ChrisK Olympus 296
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HANDLE g_hRNAZapperThread = INVALID_HANDLE_VALUE;
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typedef struct tagIcwDialShare
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{
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TCHAR szISPFile[MAX_PATH + 1];
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TCHAR szCurrentDUNFile[MAX_PATH + 1];
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BYTE fFlags;
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BYTE bMask;
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DWORD dwCountryID;
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WORD wState;
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GATHEREDINFO gi;
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DWORD dwPlatform;
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} ICWDIALSHARE, *PICWDIALSHARE;
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static PICWDIALSHARE pDynShare;
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LPCTSTR GetISPFile()
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{
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return pDynShare->szISPFile;
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}
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void SetCurrentDUNFile(LPCTSTR szDUNFile)
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{
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lstrcpyn(
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pDynShare->szCurrentDUNFile,
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szDUNFile,
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SIZEOF_TCHAR_BUFFER(pDynShare->szCurrentDUNFile));
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}
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DWORD GetPlatform()
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{
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return pDynShare->dwPlatform;
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}
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LPCTSTR GIGetAppDir()
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{
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return pDynShare->gi.szAppDir;
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}
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/********************************************************************
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NAME: LibShareEntry
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SYNOPSIS: Initialize or uninitialize shared memory of this DLL
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NOTES: The share memory replaces the shared section
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*********************************************************************/
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BOOL LibShareEntry(BOOL fInit)
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{
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static TCHAR szSharedMemName[] = TEXT("ICWDIAL_SHAREMEMORY");
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static HANDLE hSharedMem = 0;
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BOOL retval = FALSE;
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if (fInit)
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{
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DWORD dwErr = ERROR_SUCCESS;
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SetLastError(0);
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hSharedMem = CreateFileMapping(
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INVALID_HANDLE_VALUE,
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NULL,
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PAGE_READWRITE,
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0,
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sizeof(ICWDIALSHARE),
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szSharedMemName);
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dwErr = GetLastError();
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switch (dwErr)
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{
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case ERROR_ALREADY_EXISTS:
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case ERROR_SUCCESS:
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pDynShare = (PICWDIALSHARE) MapViewOfFile(
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hSharedMem,
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FILE_MAP_WRITE,
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0,
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0,
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0);
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if (pDynShare != NULL)
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{
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if (dwErr == ERROR_SUCCESS)
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{
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pDynShare->szISPFile[0] = (TCHAR) 0;
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pDynShare->szCurrentDUNFile[0] = (TCHAR) 0;
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pDynShare->fFlags = 0;
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pDynShare->bMask = 0;
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pDynShare->dwCountryID = 0;
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pDynShare->wState = 0;
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pDynShare->dwPlatform = 0xffffffff;
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}
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else // dwErr == ERROR_ALREADY_EXISTS
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{
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// NO initialization needed
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}
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retval = TRUE;
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}
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else
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{
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TraceMsg(TF_ERROR, TEXT("MapViewOfFile failed: 0x%08lx"),
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GetLastError());
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CloseHandle(hSharedMem);
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hSharedMem = 0;
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retval = FALSE;
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}
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break;
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default:
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TraceMsg(TF_ERROR, TEXT("CreateFileMapping failed: 0x08lx"), dwErr);
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hSharedMem = 0;
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retval = FALSE;
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}
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}
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else
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{
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if (pDynShare)
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{
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UnmapViewOfFile(pDynShare);
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pDynShare = NULL;
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}
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if (hSharedMem)
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{
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CloseHandle(hSharedMem);
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hSharedMem = NULL;
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}
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retval = TRUE;
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}
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return retval;
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}
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//static const CHAR szBrowserClass1[] = "IExplorer_Frame";
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//static const CHAR szBrowserClass2[] = "Internet Explorer_Frame";
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//static const CHAR szBrowserClass3[] = "IEFrame";
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//
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// 8/5/97 jmazner Olympus 11215
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// Isignup window caption/title is IDS_APP_TITLE in isign32\strings.inc
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// IDS_APP_TITLE should be in synch with IDS_TITLE in icwdial.rc
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//
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static const TCHAR cszIsignupWndClassName[] = TEXT("Internet Signup\0");
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static DWORD AutoDialConnect(HWND hDlg, LPRASDIALPARAMS lpDialParams);
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static BOOL AutoDialEvent(HWND hDlg, RASCONNSTATE state, LPDWORD lpdwError);
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static VOID SetDialogTitle(HWND hDlg, LPCTSTR pszConnectoidName);
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static HWND FindBrowser(void);
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static UINT RetryMessage(HWND hDlg, DWORD dwError);
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#define MAX_RETIES 3
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#define irgMaxSzs 5
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TCHAR szStrTable[irgMaxSzs][256];
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int iSzTable;
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/*******************************************************************
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NAME: DllEntryPoint
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SYNOPSIS: Entry point for DLL.
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NOTES: Initializes thunk layer to WIZ16.DLL
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********************************************************************/
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extern "C" BOOL _stdcall DllEntryPoint(HINSTANCE hInstDll, DWORD fdwReason, LPVOID lpReserved)
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{
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BOOL retval = TRUE;
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TraceMsg(TF_GENERAL, "ICWDIAL :DllEntryPoint()\n");
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if( fdwReason == DLL_PROCESS_ATTACH ) {
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//
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// ChrisK Olympus 6373 6/13/97
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// Disable thread attach calls in order to avoid race condition
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// on Win95 golden
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//
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DisableThreadLibraryCalls(hInstDll);
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g_hInstance = hInstDll;
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retval = LibShareEntry(TRUE);
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if (0xFFFFFFFF == pDynShare->dwPlatform)
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{
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OSVERSIONINFO osver;
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ZeroMemory(&osver,sizeof(osver));
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osver.dwOSVersionInfoSize = sizeof(osver);
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if (GetVersionEx(&osver))
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{
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pDynShare->dwPlatform = osver.dwPlatformId;
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}
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}
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}
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else if (fdwReason == DLL_PROCESS_DETACH)
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{
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retval = LibShareEntry(FALSE);
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}
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else if (fdwReason == DLL_THREAD_DETACH)
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{
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//
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// ChrisK 6/3/97 296
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// Broaden window to close this thread
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//
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if (INVALID_HANDLE_VALUE != g_hRNAZapperThread)
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{
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StopRNAReestablishZapper(g_hRNAZapperThread);
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}
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}
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return retval;
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}
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// ############################################################################
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HRESULT ReleaseBold(HWND hwnd)
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{
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HFONT hfont = NULL;
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hfont = (HFONT)SendMessage(hwnd,WM_GETFONT,0,0);
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if (hfont) DeleteObject(hfont);
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return ERROR_SUCCESS;
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}
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// ############################################################################
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HRESULT MakeBold (HWND hwnd, BOOL fSize, LONG lfWeight)
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{
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HRESULT hr = ERROR_SUCCESS;
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HFONT hfont = NULL;
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HFONT hnewfont = NULL;
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LOGFONT* plogfont = NULL;
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if (!hwnd) goto MakeBoldExit;
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hfont = (HFONT)SendMessage(hwnd,WM_GETFONT,0,0);
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if (!hfont)
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{
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hr = GetLastError();
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goto MakeBoldExit;
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}
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plogfont = (LOGFONT*)GlobalAlloc(GPTR,sizeof(LOGFONT));
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if (!plogfont)
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{
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hr = GetLastError();
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goto MakeBoldExit;
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}
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if (!GetObject(hfont,sizeof(LOGFONT),(LPVOID)plogfont))
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{
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hr = GetLastError();
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goto MakeBoldExit;
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}
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if (abs(plogfont->lfHeight) < 24 && fSize)
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{
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plogfont->lfHeight = plogfont->lfHeight + (plogfont->lfHeight / 4);
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}
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plogfont->lfWeight = lfWeight;
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if (!(hnewfont = CreateFontIndirect(plogfont)))
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{
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hr = GetLastError();
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goto MakeBoldExit;
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}
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SendMessage(hwnd,WM_SETFONT,(WPARAM)hnewfont,MAKELPARAM(TRUE,0));
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MakeBoldExit:
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if (plogfont) GlobalFree(plogfont);
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plogfont = NULL;
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// if (hfont) DeleteObject(hfont);
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// BUG:? Do I need to delete hnewfont at some time?
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return hr;
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}
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// ############################################################################
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// NAME: GetSz
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//
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// Load strings from resources
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//
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// Created 1/28/96, Chris Kauffman
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// ############################################################################
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PTSTR GetSz(WORD wszID)
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{
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PTSTR psz = szStrTable[iSzTable];
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iSzTable++;
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if (iSzTable >= irgMaxSzs)
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iSzTable = 0;
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if (!LoadString(g_hInstance, wszID, psz, 256))
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{
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TraceMsg(TF_GENERAL, "Autodial:LoadString failed %d\n", (DWORD) wszID);
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*psz = 0;
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}
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return (psz);
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}
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//+----------------------------------------------------------------------------
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//
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// Function: IsISignupRunning
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//
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// Synopsis: Check if ISIGNUP is running
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//
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// Arguments: none
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//
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// Returns: TRUE - ISIGNUP is already running
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//
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// History: 7/24/97 ChrisK fixed part of 8445
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//
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//-----------------------------------------------------------------------------
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BOOL IsISignupRunning()
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{
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//
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// IE 8445 ChrisK 7/24/97
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// As part of fixing IE 8445, the ICW was inappropriately deleting the
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// isp signup connectoid because it thought isignup was not running.
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//
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HANDLE hSemaphore;
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BOOL bRC = FALSE;
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//
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// Check the GetLastError value immediately after the CreateSemaphore to
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// make sure nothing else changes the error value
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//
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hSemaphore = CreateSemaphore(NULL, 1, 1, ICW_ELSE_SEMAPHORE);
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if( ERROR_ALREADY_EXISTS == GetLastError() )
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{
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bRC = TRUE;
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}
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//
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// 8/3/97 jmazner Olympus #11206
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// Even if the semaphore already exists, we still get back a handle
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// reference to it, which means that we need to close that handle
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// or else the semaphore will never get destroyed.
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//
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if( hSemaphore && (hSemaphore != INVALID_HANDLE_VALUE) )
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{
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CloseHandle(hSemaphore);
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hSemaphore = INVALID_HANDLE_VALUE;
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}
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return bRC;
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}
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TCHAR szDialogBoxClass[] = TEXT("#32770"); // hard coded dialog class name
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// check if ICWCONN1 is running
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BOOL IsICWCONN1Running()
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{
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return (FindWindow(szDialogBoxClass, GetSz(IDS_TITLE)) != NULL);
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}
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// ############################################################################
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typedef HRESULT (WINAPI *PFNINETSETAUTODIAL)(BOOL,LPCTSTR);
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void RemoveAutodialer()
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{
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HINSTANCE hinst = NULL;
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FARPROC fp = NULL;
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hinst = LoadLibrary(TEXT("INETCFG.DLL"));
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if (hinst)
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{
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if(fp = GetProcAddress(hinst,"InetSetAutodial"))
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{
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((PFNINETSETAUTODIAL)fp)(FALSE, TEXT(""));
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}
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FreeLibrary(hinst);
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}
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}
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// ############################################################################
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BOOL WINAPI AutoDialHandler(
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HWND hwndParent,
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LPCTSTR lpszEntry,
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DWORD dwFlags,
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LPDWORD pdwRetCode
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)
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{
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HRESULT hr;
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INT cRetry;
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TCHAR szToDebugOrNot[2];
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DWORD dwSize;
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RNAAPI *pcRNA = NULL;
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PDIALDLGDATA pDD = NULL;
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PERRORDLGDATA pDE = NULL;
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if(!IsISignupRunning())
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{
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//
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// 7/30/97 ChrisK IE 8445
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// In ICW 1.1 icwconn1 is left alive the whole time, so we should not
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// care whether or not it is around when we go to dial.
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//
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//// in some *really* weird circs we can be called while ICWCONN1 is running
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//// if so just return failure
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//if(IsICWCONN1Running())
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//{
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// *pdwRetCode = ERROR_CANCELLED;
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// return TRUE;
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//}
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OutputDebugString(TEXT("Someome didn't cleanup ICWDIAL correctly\r\n"));
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// clean it up now! delete connectoid
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pcRNA = new RNAAPI;
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if (pcRNA)
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{
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pcRNA->RasDeleteEntry(NULL, (LPTSTR)lpszEntry);
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delete pcRNA;
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pcRNA = NULL;
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}
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// remove autodial-hook. No clue who to restore, though
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RemoveAutodialer();
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// return FALSE so someone else will dial
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return FALSE;
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}
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#ifdef _DEBUG
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// This is how we can break into the debugger when this DLL is called as
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// part of the autodialer sequence
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//
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lstrcpyn(szToDebugOrNot,TEXT("0"),2);
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dwSize = sizeof(szToDebugOrNot);
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RegQueryValue(HKEY_LOCAL_MACHINE,TEXT("SOFTWARE\\MICROSOFT\\ISIGNUP\\DEBUG"),szToDebugOrNot,(PLONG)&dwSize);
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if (szToDebugOrNot[0] == '1')
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DebugBreak();
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#endif
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// Keep track of EntryName for later
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//
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lstrcpyn(g_szEntryName, lpszEntry, RAS_MaxEntryName);
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if (lstrlen(pDynShare->szISPFile)==0)
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{
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// if ((*pdwRetCode = LoadInitSettingFromRegistry()) != ERROR_SUCCESS)
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// return TRUE;
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LoadInitSettingFromRegistry();
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}
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// g_pdevice = (PMYDEVICE)GlobalAlloc(GPTR,sizeof(MYDEVICE));
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// if (!g_pdevice)
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// {
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// *pdwRetCode = ERROR_NOT_ENOUGH_MEMORY;
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// return TRUE;
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// }
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TryDial:
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cRetry = 0;
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TryRedial:
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if (pDD)
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{
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GlobalFree(pDD);
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pDD = NULL;
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}
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pDD = (PDIALDLGDATA)GlobalAlloc(GPTR,sizeof(DIALDLGDATA));
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if (pDD)
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{
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pDD->dwSize = sizeof(DIALDLGDATA);
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StrDup(&pDD->pszMessage,GetSz(IDS_DIALMESSAGE));
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StrDup(&pDD->pszRasEntryName,lpszEntry);
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pDD->pfnStatusCallback = StatusMessageCallback;
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pDD->hInst = g_hInstance;
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} else {
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MessageBox(NULL,GetSz(IDS_OUTOFMEMORY),GetSz(IDS_TITLE),MB_MYERROR);
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}
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// Dial ISP
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//
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hr = DialingDownloadDialog(pDD);
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cRetry++;
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// Check if we should automatically redial
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//
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if ((cRetry < MAX_RETIES) && (FShouldRetry(hr)))
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goto TryRedial;
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if (hr != ERROR_USERNEXT)
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{
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pDE = (PERRORDLGDATA)GlobalAlloc(GPTR,sizeof(ERRORDLGDATA));
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if (!pDE)
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{
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MessageBox(NULL,GetSz(IDS_OUTOFMEMORY),GetSz(IDS_TITLE),MB_MYERROR);
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} else {
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pDE->dwSize = sizeof (ERRORDLGDATA);
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StrDup(&pDE->pszMessage,GetSz(RasErrorToIDS(hr)));
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StrDup(&pDE->pszRasEntryName,lpszEntry);
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pDE->pdwCountryID = &(pDynShare->dwCountryID);
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pDE->pwStateID = &(pDynShare->wState);
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pDE->bType = pDynShare->fFlags;
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pDE->bMask = pDynShare->bMask;
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StrDup(&pDE->pszHelpFile,AUTODIAL_HELPFILE);
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pDE->dwHelpID = icw_trb;
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pDE->hInst = g_hInstance;
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pDE->hParentHwnd = NULL;
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hr = DialingErrorDialog(pDE);
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if (hr == ERROR_USERNEXT)
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goto TryDial;
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else
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hr = ERROR_USERCANCEL;
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}
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}
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GlobalFree(pDD);
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pDD = NULL;
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if (hr == ERROR_SUCCESS)
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*pdwRetCode = ERROR_SUCCESS;
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else if (hr == ERROR_USERCANCEL)
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*pdwRetCode = ERROR_CANCELLED;
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if (ERROR_SUCCESS != *pdwRetCode)
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{
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HWND hwndIsignup = NULL;
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//
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// 8/5/97 jmazner Olympus 11215
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// For ICW 1.1 and IE 4, looking for the browser won't work
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// Instead, look for isignup and send it a special quit message.
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//
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//hwndBrowser = FindBrowser();
|
|
|
|
hwndIsignup = FindWindow(cszIsignupWndClassName, GetSz(IDS_TITLE));
|
|
if (NULL != hwndIsignup)
|
|
{
|
|
PostMessage(hwndIsignup, WM_CLOSE, 0, 0);
|
|
}
|
|
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
// ############################################################################
|
|
HRESULT LoadInitSettingFromRegistry()
|
|
{
|
|
HRESULT hr = ERROR_SUCCESS;
|
|
HKEY hKey = NULL;
|
|
DWORD dwType, dwSize;
|
|
|
|
hr = RegOpenKey(HKEY_LOCAL_MACHINE,SIGNUPKEY,&hKey);
|
|
if (hr != ERROR_SUCCESS)
|
|
{
|
|
TraceMsg(TF_ERROR, TEXT("Failed RegOpenKey: %s 0x%08lx"), SIGNUPKEY, hr);
|
|
goto LoadInitSettingFromRegistryExit;
|
|
}
|
|
|
|
|
|
dwType = REG_BINARY;
|
|
dwSize = sizeof(pDynShare->gi);
|
|
ZeroMemory(&(pDynShare->gi),sizeof(pDynShare->gi));
|
|
|
|
hr = RegQueryValueEx(
|
|
hKey,
|
|
GATHERINFOVALUENAME,
|
|
0,
|
|
&dwType,
|
|
(LPBYTE) &(pDynShare->gi),
|
|
&dwSize);
|
|
if (hr != ERROR_SUCCESS)
|
|
{
|
|
TraceMsg(TF_ERROR, TEXT("Failed RegQueryValueEx: %s 0x%08lx"),
|
|
GATHERINFOVALUENAME, hr);
|
|
goto LoadInitSettingFromRegistryExit;
|
|
}
|
|
|
|
AutoDialInit(
|
|
pDynShare->gi.szISPFile,
|
|
pDynShare->gi.fType,
|
|
pDynShare->gi.bMask,
|
|
pDynShare->gi.dwCountry,
|
|
pDynShare->gi.wState);
|
|
|
|
SetCurrentDirectory(pDynShare->gi.szAppDir);
|
|
|
|
// Get the name of the DUN file
|
|
|
|
pDynShare->szCurrentDUNFile[0] = 0;
|
|
dwSize = SIZEOF_TCHAR_BUFFER(pDynShare->szCurrentDUNFile);
|
|
ReadSignUpReg(
|
|
(LPBYTE)pDynShare->szCurrentDUNFile,
|
|
&dwSize,
|
|
REG_SZ,
|
|
DUNFILEVALUENAME);
|
|
|
|
LoadInitSettingFromRegistryExit:
|
|
if (hKey) RegCloseKey(hKey);
|
|
return hr;
|
|
}
|
|
|
|
// ############################################################################
|
|
/******
|
|
*
|
|
* 8/5/97 jmazner Olympus 11215
|
|
* This function is no longer required
|
|
*
|
|
static HWND FindBrowser(void)
|
|
{
|
|
HWND hwnd;
|
|
|
|
//look for all the microsoft browsers under the sun
|
|
|
|
if ((hwnd = FindWindow(szBrowserClass1, NULL)) == NULL)
|
|
{
|
|
if ((hwnd = FindWindow(szBrowserClass2, NULL)) == NULL)
|
|
{
|
|
hwnd = FindWindow(szBrowserClass3, NULL);
|
|
}
|
|
}
|
|
|
|
return hwnd;
|
|
}
|
|
****/
|
|
|
|
// ############################################################################
|
|
HRESULT AutoDialInit(LPTSTR lpszISPFile, BYTE fFlags, BYTE bMask, DWORD dwCountry, WORD wState)
|
|
{
|
|
TraceMsg(TF_GENERAL, "AUTODIAL:AutoDialInit()\n");
|
|
if (lpszISPFile) lstrcpyn(pDynShare->szISPFile, lpszISPFile, MAX_PATH);
|
|
pDynShare->fFlags = fFlags;
|
|
pDynShare->bMask = bMask;
|
|
pDynShare->dwCountryID = dwCountry;
|
|
pDynShare->wState = wState;
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
// ############################################################################
|
|
BOOL FShouldRetry(HRESULT hrErr)
|
|
{
|
|
BOOL bRC;
|
|
|
|
if (hrErr == ERROR_LINE_BUSY ||
|
|
hrErr == ERROR_VOICE_ANSWER ||
|
|
hrErr == ERROR_NO_ANSWER ||
|
|
hrErr == ERROR_NO_CARRIER ||
|
|
hrErr == ERROR_AUTHENTICATION_FAILURE ||
|
|
hrErr == ERROR_PPP_TIMEOUT ||
|
|
hrErr == ERROR_REMOTE_DISCONNECTION ||
|
|
hrErr == ERROR_AUTH_INTERNAL ||
|
|
hrErr == ERROR_PROTOCOL_NOT_CONFIGURED ||
|
|
hrErr == ERROR_PPP_NO_PROTOCOLS_CONFIGURED)
|
|
{
|
|
bRC = TRUE;
|
|
} else {
|
|
bRC = FALSE;
|
|
}
|
|
|
|
return bRC;
|
|
}
|