265 lines
9 KiB
C
265 lines
9 KiB
C
//************************************************************************
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// Generic Win 3.1 fax printer driver support. User Interface helper
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// functions which are called in WOWFAXUI.C, helpers used during upgrade.
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//
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// History:
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// 14-mar-95 reedb Created. These were moved from WOWFAXUI.C.
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//
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//************************************************************************
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#include "windows.h"
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#include "wowfaxui.h"
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#include "winspool.h"
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extern LPCRITICAL_SECTION lpCriticalSection;
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extern HINSTANCE ghInst;
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//************************************************************************
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// AllocPathW - Helper for DrvUpgradePrinter and friends.
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//************************************************************************
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PWSTR AllocPathW(VOID)
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{
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PWSTR szTmp;
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szTmp = WFLOCALALLOC((MAX_PATH+1) * sizeof(TCHAR), L"AllocPathW");
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return(szTmp);
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}
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//************************************************************************
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// BuildPathW - Helper for DrvUpgradePrinter and friends.
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//************************************************************************
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PWSTR BuildPathW(PWSTR szPath, PWSTR szFileName)
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{
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PWSTR szTmp;
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if ((szTmp = WFLOCALALLOC((MAX_PATH+1) * sizeof(TCHAR), L"BuildPathW")) != NULL) {
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wcscpy(szTmp, szPath);
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wcscat(szTmp, L"\\");
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wcscat(szTmp, szFileName);
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return(szTmp);
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}
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else {
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return(NULL);
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}
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}
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//************************************************************************
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// MyGetFileTime - Helper for DrvUpgradePrinter and friends.
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//************************************************************************
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BOOL MyGetFileTime(PWSTR szDir, PWSTR szName, LPFILETIME lpFileTime)
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{
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LPWIN32_FIND_DATA lpfd;
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HANDLE hfd;
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PWSTR szTmp;
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BOOL bRet = FALSE;
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szTmp = BuildPathW(szDir, szName);
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lpfd = WFLOCALALLOC(sizeof(WIN32_FIND_DATA), L"MyGetFileTime");
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if ((szTmp) && (lpfd)) {
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LOGDEBUG(1, (L"WOWFAXUI!GetFileTime, szTmp: %s\n", szTmp));
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if ((hfd = FindFirstFile(szTmp, lpfd)) != INVALID_HANDLE_VALUE) {
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memcpy(lpFileTime, &(lpfd->ftLastWriteTime), sizeof(FILETIME));
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FindClose(hfd);
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bRet = TRUE;
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LOGDEBUG(1, (L"WOWFAXUI!GetFileTime, FileTimeHi: %X FileTimeLo: %X\n", lpFileTime->dwHighDateTime, lpFileTime->dwLowDateTime));
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}
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else {
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LOGDEBUG(0, (L"WOWFAXUI!GetFileTime, file not found: %s\n", szTmp));
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}
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}
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if (szTmp) {
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LocalFree(szTmp);
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}
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if (lpfd) {
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LocalFree(lpfd);
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}
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return(bRet);
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}
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//************************************************************************
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// CheckForNewerFiles - Helper for DrvUpgradePrinter. Compares the date/time
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// of wowfaxui.dll and wowfax.dll in the two passed directories. Returns
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// FALSE if files in szOldDriverDir are the same or newer than those
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// in szSysDir. Otherwise returns non-zero.
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//************************************************************************
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BOOL CheckForNewerFiles(PWSTR szOldDriverDir, PWSTR szSysDir)
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{
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FILETIME ftSourceDriver, ftCurrentDriver;
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BOOL bRet = FALSE;
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if ((szOldDriverDir) && (szSysDir)) {
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if (MyGetFileTime(szOldDriverDir, L"wowfax.dll", &ftCurrentDriver)) {
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if (MyGetFileTime(szSysDir, L"wowfax.dll", &ftSourceDriver)) {
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// Check time/date to see if we need to update the drivers.
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if (CompareFileTime(&ftSourceDriver, &ftCurrentDriver) > 0) {
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bRet = TRUE;
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}
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}
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}
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if (MyGetFileTime(szOldDriverDir, L"wowfaxui.dll", &ftCurrentDriver)) {
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if (MyGetFileTime(szSysDir, L"wowfaxui.dll", &ftSourceDriver)) {
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if (CompareFileTime(&ftSourceDriver, &ftCurrentDriver) > 0) {
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bRet = TRUE;
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}
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}
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}
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}
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else {
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LOGDEBUG(0, (L"WOWFAXUI!CheckForNewerFiles: NULL directory parameters\n"));
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}
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return(bRet);
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}
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//************************************************************************
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// DoUpgradePrinter - Called by DrvUpgradePrinter which is called in the
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// system context by the spooler.
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//************************************************************************
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BOOL DoUpgradePrinter(DWORD dwLevel, LPDRIVER_UPGRADE_INFO_1W lpDrvUpgradeInfo)
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{
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static BOOL bDrvUpgradePrinterLock = FALSE;
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HANDLE hPrinter = NULL;
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DRIVER_INFO_2 DriverInfo, *pDriverInfo = NULL;
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DWORD dwNeeded = 0;
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PWSTR szSysDir = NULL;
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PWSTR szDstDir = NULL;
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PWSTR szSrcPath = NULL;
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PWCHAR pwc;
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BOOL bRet = FALSE;
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TCHAR szName[WOWFAX_MAX_USER_MSG_LEN] = L"";
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// Check for correct level for upgrade.
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if (dwLevel != 1) {
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LOGDEBUG(0, (L"WOWFAXUI!DrvUpgradePrinter, Bad input Level\n"));
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SetLastError(ERROR_INVALID_LEVEL);
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goto DoUpgradePrinterExit;
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}
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szDstDir = AllocPathW();
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szSysDir = AllocPathW();
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if (!szDstDir || !szSysDir) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, work space allocation failed\n"));
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goto DoUpgradePrinterExit;
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}
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if (!GetSystemDirectory(szSysDir, MAX_PATH+1)) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, GetSystemDirectory failed\n"));
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goto DoUpgradePrinterExit;
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}
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if (!lpDrvUpgradeInfo->pPrinterName) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, pPrinterName is NULL\n"));
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goto DoUpgradePrinterExit;
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}
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// Get the paths to the old printer drivers.
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if (!OpenPrinter(lpDrvUpgradeInfo->pPrinterName, &hPrinter, NULL)) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, Unable to open: %s\n", lpDrvUpgradeInfo->pPrinterName));
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goto DoUpgradePrinterExit;
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}
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GetPrinterDriver(hPrinter, NULL, 2, (LPBYTE) pDriverInfo, 0, &dwNeeded);
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if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, GetPrinterDriver failed\n"));
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goto DoUpgradePrinterExit;
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}
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if ((pDriverInfo = WFLOCALALLOC(dwNeeded, L"DoUpgradePrinter")) == NULL) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, work space allocation failed\n"));
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goto DoUpgradePrinterExit;
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}
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if (!GetPrinterDriver(hPrinter, NULL, 2, (LPBYTE) pDriverInfo, dwNeeded, &dwNeeded)) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, GetPrinterDriver failed, GetLastError: %d\n", GetLastError()));
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goto DoUpgradePrinterExit;
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}
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ClosePrinter(hPrinter);
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// Strip off the file name.
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if ((pwc = wcsrchr(pDriverInfo->pDriverPath, L'\\')) == NULL) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, unable to strip file name\n"));
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goto DoUpgradePrinterExit;
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}
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*pwc = UNICODE_NULL;
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// Install new printer driver if it's more recent than the old one.
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if (CheckForNewerFiles(pDriverInfo->pDriverPath, szSysDir)) {
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LOGDEBUG(1, (L"WOWFAXUI!DoUpgradePrinter, Doing driver update\n"));
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memset(&DriverInfo, 0, sizeof(DRIVER_INFO_2));
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if (!GetPrinterDriverDirectory(NULL, NULL, 1, (LPBYTE) szDstDir, MAX_PATH, &dwNeeded)) {
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LOGDEBUG(0, (L"WOWFAXUI!DoUpgradePrinter, GetPrinterDriverDirectory failed\n"));
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goto DoUpgradePrinterExit;
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}
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// This is a dummy. We've no data file, but spooler won't take NULL.
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DriverInfo.pDataFile = BuildPathW(szDstDir, WOWFAX_DLL_NAME);
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DriverInfo.pDriverPath = BuildPathW(szDstDir, WOWFAX_DLL_NAME);
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LOGDEBUG(1, (L"WOWFAXUI!DoUpgradePrinter, pDriverPath = %s\n", DriverInfo.pDataFile));
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if (DriverInfo.pDriverPath) {
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szSrcPath = BuildPathW(szSysDir, WOWFAX_DLL_NAME);
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if (szSrcPath) {
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CopyFile(szSrcPath, DriverInfo.pDriverPath, FALSE);
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LocalFree(szSrcPath);
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}
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}
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DriverInfo.pConfigFile = BuildPathW(szDstDir, WOWFAXUI_DLL_NAME);
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szSrcPath = BuildPathW(szSysDir, WOWFAXUI_DLL_NAME);
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if (DriverInfo.pConfigFile) {
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if (szSrcPath) {
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CopyFile(szSrcPath, DriverInfo.pConfigFile, FALSE);
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LocalFree(szSrcPath);
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}
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}
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// Install the printer driver.
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DriverInfo.cVersion = 1;
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if (LoadString(ghInst, WOWFAX_NAME_STR, szName, WOWFAX_MAX_USER_MSG_LEN)) {
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DriverInfo.pName = szName;
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if (AddPrinterDriver(NULL, 2, (LPBYTE) &DriverInfo) == FALSE) {
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bRet = (GetLastError() == ERROR_PRINTER_DRIVER_ALREADY_INSTALLED);
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}
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else {
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bRet = TRUE;
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}
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}
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if (DriverInfo.pDataFile) {
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LocalFree(DriverInfo.pDataFile);
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}
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if (DriverInfo.pDriverPath) {
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LocalFree(DriverInfo.pDriverPath);
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}
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if (DriverInfo.pConfigFile) {
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LocalFree(DriverInfo.pConfigFile);
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}
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}
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else {
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LOGDEBUG(1, (L"WOWFAXUI!DoUpgradePrinter, No driver update\n"));
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bRet = TRUE;
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}
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DoUpgradePrinterExit:
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if (szDstDir) {
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LocalFree(szDstDir);
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}
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if (szSysDir) {
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LocalFree(szSysDir);
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}
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if (pDriverInfo) {
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LocalFree(pDriverInfo);
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}
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return(bRet);
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}
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