385 lines
11 KiB
C
385 lines
11 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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main.c
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Abstract:
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Main module of the jetconv.exe process
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Author:
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Sanjay Anand (SanjayAn) Nov. 14, 1995
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Environment:
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User mode
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Revision History:
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Sanjay Anand (SanjayAn) Nov. 14, 1995
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Created
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Shreedhar Madhavapeddi (ShreeM) Mar 23, 1997
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* Added code to convert from Jet500 to Jet600 too
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* additional cmdline option to specify the final database format.
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--*/
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#include "defs.h"
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TCHAR SystemDrive[4];
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LONG JCDebugLevel = 1;
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PSHARED_MEM shrdMemPtr = NULL;
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HANDLE hMutex=NULL;
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HANDLE hFileMapping = NULL;
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BOOLEAN Jet200 = FALSE;
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void _cdecl
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main(
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INT argc,
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CHAR *argv[]
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)
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/*++
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Routine Description:
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Main routine in the jetconv process.
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Arguments:
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argc - 1 or 2
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argv - If called from any of the services, we get the name of the
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service as the parameter, else if it is invoked from the command
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line, no parameter is passed in.
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Return Value:
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None.
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--*/
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{
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DWORD error, mutexerr, bConvert;
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SERVICES i, thisServiceId = NUM_SERVICES;
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SERVICE_INFO pServiceInfo[NUM_SERVICES] = {
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{"DHCPServer", FALSE, TRUE, TRUE, FALSE, FALSE, DEFAULT_DHCP_DBFILE_PATH,
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DEFAULT_DHCP_SYSTEM_PATH, DEFAULT_DHCP_LOGFILE_PATH, DEFAULT_DHCP_BACKUP_PATH,
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DEFAULT_DHCP_BACKUP_PATH_ESE, DEFAULT_DHCP_PRESERVE_PATH_ESE, 0 },
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{"WINS", FALSE, TRUE, TRUE, FALSE, FALSE, DEFAULT_WINS_DBFILE_PATH,
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DEFAULT_WINS_SYSTEM_PATH, DEFAULT_WINS_LOGFILE_PATH, DEFAULT_WINS_BACKUP_PATH,
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DEFAULT_WINS_BACKUP_PATH_ESE, DEFAULT_WINS_PRESERVE_PATH_ESE, 0 },
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{"Remoteboot", FALSE, TRUE, TRUE, FALSE, FALSE, DEFAULT_RPL_DBFILE_PATH,
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DEFAULT_RPL_SYSTEM_PATH, DEFAULT_RPL_LOGFILE_PATH, DEFAULT_RPL_BACKUP_PATH,
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DEFAULT_RPL_BACKUP_PATH_ESE, DEFAULT_RPL_PRESERVE_PATH_ESE, 0 }
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};
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TCHAR val[2];
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LPVOID lpMsgBuf;
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ULONG MsgLen = 0;
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if (GetEnvironmentVariable(TEXT("JetConvDebug"), val, 2*sizeof(TCHAR))) {
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if (strcmp(val, "1")==0) {
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JCDebugLevel = 1;
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} else {
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JCDebugLevel = 2;
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}
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}
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//
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// Invoked only from the three services - WINS/DHCP/RPL with two args - servicename and "/@"
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//
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if ((argc != 4) ||
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((argc == 4) && _stricmp(argv[3], "/@"))) {
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//
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// Probably called from command line
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//
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LPVOID lpMsgBuf;
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if (FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE,
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NULL,
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JC_NOT_ALLOWED_FROM_CMD,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR) &lpMsgBuf,
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0,
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NULL
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))
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{
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CharToOemA(lpMsgBuf, lpMsgBuf);
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printf("%s", lpMsgBuf);
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LocalFree(lpMsgBuf);
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}
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exit (1);
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} else {
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MYDEBUG(("Service passed in: %s\n", argv[1]));
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for ( i=0; i < NUM_SERVICES; i++) {
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if (_stricmp(pServiceInfo[i].ServiceName, argv[1]) == 0) {
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thisServiceId = i;
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}
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}
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if (thisServiceId == NUM_SERVICES) {
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MYDEBUG(("Error: Bad service Id passed in\n"));
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exit(1);
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}
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//
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// now find out which database they want to convert to
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//
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if (_stricmp("/200", argv[2]) == 0) {
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Jet200 = TRUE; // start from jet200
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MYDEBUG(("Converting from Jet200\n"));
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} else if (_stricmp("/500", argv[2]) == 0) {
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Jet200 = FALSE; // start from jet500
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MYDEBUG(("Converting from Jet500\n"));
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} else {
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MYDEBUG(("Invalid database conversion format parameter: has to be /200 or /500 \n"));
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exit(1);
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}
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}
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if ((hMutex = CreateMutex( NULL,
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FALSE,
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JCONVMUTEXNAME)) == NULL) {
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error = GetLastError();
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MYDEBUG(("CreateMutex returned error: %lx\n", error));
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exit (1);
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}
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mutexerr = GetLastError();
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JCGetMutex(hMutex, INFINITE);
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hFileMapping = OpenFileMapping( FILE_MAP_WRITE,
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FALSE,
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JCONVSHAREDMEMNAME );
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if (hFileMapping) {
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//
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// Another instance of JCONV was already running.
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// Write our service name and exit
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//
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if ((shrdMemPtr = (PSHARED_MEM)MapViewOfFile( hFileMapping,
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FILE_MAP_WRITE,
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0L,
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0L,
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sizeof(SHARED_MEM))) == NULL) {
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MYDEBUG(("MapViewOfFile returned error: %lx\n", GetLastError()));
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JCFreeMutex(hMutex);
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exit(1);
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}
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if (thisServiceId < NUM_SERVICES) {
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shrdMemPtr->InvokedByService[thisServiceId] = TRUE;
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}
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MYDEBUG(("shrdMemPtr->InvokedByService[i]: %x, %x, %x\n", shrdMemPtr->InvokedByService[0], shrdMemPtr->InvokedByService[1], shrdMemPtr->InvokedByService[2]));
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JCFreeMutex(hMutex);
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exit (1);
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} else {
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if (mutexerr == ERROR_ALREADY_EXISTS) {
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//
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// Upg351Db was running; log an entry and scram.
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//
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MYDEBUG(("Upg351Db already running\n"));
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JCFreeMutex(hMutex);
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exit(1);
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}
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//
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// Create the file mapping.
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//
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hFileMapping = CreateFileMapping( INVALID_HANDLE_VALUE,
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NULL,
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PAGE_READWRITE,
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0L,
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sizeof(SHARED_MEM),
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JCONVSHAREDMEMNAME );
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if (hFileMapping) {
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//
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// Write our service name in the shared memory and clear the others.
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//
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if ((shrdMemPtr = (PSHARED_MEM)MapViewOfFile( hFileMapping,
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FILE_MAP_WRITE,
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0L,
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0L,
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sizeof(SHARED_MEM))) == NULL) {
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MYDEBUG(("MapViewOfFile returned error: %lx\n", GetLastError()));
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JCFreeMutex(hMutex);
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exit(1);
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}
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for (i = 0; i < NUM_SERVICES; i++) {
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shrdMemPtr->InvokedByService[i] = (i == thisServiceId) ? TRUE : FALSE;
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MYDEBUG(("shrdMemPtr->InvokedByService[i]: %x\n", shrdMemPtr->InvokedByService[i]));
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}
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}
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else
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{
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MYDEBUG(("CreateFileMapping returned error: %lx\n", GetLastError()));
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JCFreeMutex(hMutex);
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exit(1);
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}
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}
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JCFreeMutex(hMutex);
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//
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// Find out which services are installed in the system. Fill in the paths
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// to their database files.
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//
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JCReadRegistry(pServiceInfo);
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//
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// Get the sizes of the dbase files; if there is enough disk space, call convert
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// for each service.
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//
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bConvert = JCConvert(pServiceInfo);
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(VOID)JCDeRegisterEventSrc();
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//
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// Destroy the mutex too.
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//
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CloseHandle(hMutex);
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MYDEBUG(("The conversion was OK\n"));
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if (ERROR_SUCCESS == bConvert) {
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DWORD Error;
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TCHAR DeleteDBFile[MAX_PATH];
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TCHAR DeleteDBFileName[MAX_PATH];
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INT size;
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//
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// Popup a dialog and tell the user that it was completed successfully.
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//
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MYDEBUG(("The conversion was OK - 1\n"));
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MsgLen = FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE,
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NULL,
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(Jet200 ? JC_CONVERTED_FROM_NT351 : JC_CONVERTED_FROM_NT40),
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR) &lpMsgBuf,
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0,
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NULL
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);
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if (!MsgLen) {
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Error = GetLastError();
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MYDEBUG(("FormatMessage failed with error = (%d)\n", Error ));
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goto Cleanup;
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} else {
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MYDEBUG(("FormatMessage : %d size\n", MsgLen));
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}
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#if 0
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//
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// since dhcp and wins don't throw popups anymore, don't need
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// popups in jetconv as well
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//
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if(MessageBoxEx(NULL,
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lpMsgBuf,
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__TEXT("Jet Conversion Process"),
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MB_SYSTEMMODAL | MB_OK | MB_SETFOREGROUND | MB_SERVICE_NOTIFICATION | MB_ICONINFORMATION,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL)) == 0) {
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Error = GetLastError();
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MYDEBUG(("MessageBoxEx failed with error = (%d)\n", Error ));
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}
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#endif
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LocalFree(lpMsgBuf);
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//
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// Delete the edb500.dll, we dont need it anymore
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//
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//
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// Removed code that deleted edb500.dll (trade 500K disk space for support calls).
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// This was in response to bug # 192149
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} else {
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DWORD Error;
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//
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// Popup the error dialog
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//
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MYDEBUG(("The conversion was NOT OK\n"));
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MsgLen = FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE,
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NULL,
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JC_EVERYTHING_FAILED,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR) &lpMsgBuf,
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0,
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NULL
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);
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if (!MsgLen) {
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Error = GetLastError();
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MYDEBUG(("FormatMessage failed with error = (%d)\n", Error ));
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goto Cleanup;
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} else {
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MYDEBUG(("The String is - %s\n", lpMsgBuf));
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MYDEBUG(("FormatMessage : %d size\n", MsgLen));
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}
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if(MessageBoxEx(NULL,
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lpMsgBuf,
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__TEXT("Jet Conversion Process"),
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MB_SYSTEMMODAL | MB_OK | MB_SETFOREGROUND | MB_SERVICE_NOTIFICATION | MB_ICONSTOP,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL)) == 0) {
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DWORD Error;
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Error = GetLastError();
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MYDEBUG(("MessageBoxEx failed with error = (%d)\n", Error ));
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}
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LocalFree(lpMsgBuf);
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}
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Cleanup:
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MYDEBUG(("There was a failure in the MessageBoxEx code\n"));
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}
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