Re: Mapping of network drives

From:
 sriram bala <sriramganga@gmail.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 25 Jul 2007 00:01:25 -0700
Message-ID:
<1185346885.629883.10310@i13g2000prf.googlegroups.com>
On Jul 25, 11:52 am, sriram bala <sriramga...@gmail.com> wrote:

On Jul 24, 5:31 pm, Joseph M. Newcomer <newco...@flounder.com> wrote:

See at end...

On Mon, 23 Jul 2007 23:16:33 -0700, sriram bala <sriramga...@gmail.com>=

 wrote:

On Jul 23, 9:11 pm, Joseph M. Newcomer <newco...@flounder.com> wrote:

Are you mapping a network drive or creating a folder?

Is this being done in a service or in an application (the SvcDebugOu=

t suggests it is a

service). Note that logical devices apply only to a particular logi=

n session, and since a

service is not generally logged in as a user, it would not have the =

session profile of the

logged-in user. Also, I don't know if a non-interactive login will =

load profiles tht

include mapped drives, even if the interactive login account has the=

 drive mapped.

Please clarify the context in which this code is executing and what =

you are trying to

accomplish.
                                joe

On Mon, 23 Jul 2007 02:08:46 -0700, sriram bala <sriramga...@gmail.c=

om> wrote:

hey guys, i tried to map a network drive which is in a remote
computer.i have done verything so that it can be done..how do i cre=

ate

a folder in a remote computer programatically i vc++.i tried this
function but this works only for local folder creation...
BOOL PrepareFolder(CString& Folder)
{

   int iLength;

   Folder.TrimLeft();
   Folder.TrimRight();
   if (!Folder.IsEmpty())
   {
           iLength = Folder.GetLength();
           if (Folder[iLength - 1] != '\\' && Folder[iLength - 1=

] != '/')

           {
                   Folder += '\\';
           }
   }
   SvcDebugOut(Folder);
   if (::GetFileAttributes(Folder) == INVALID_FILE_ATTRIBUTES)=

 //

Doesn't exist?
   {


****
             DWORD err = ::GetLastError();
****>> > SvcDebugOut(_T("INVALID_FILE_ATTRIBUTES"));

****
                    SvcDebugOut(ErrorString(err));
You can download the ErrorString function from my MVP Tips site from my=

 essay on using

FormatMessage in MFC. Or you can just do
        CString s;
        s.Format(_T("%d (%08x)"), err, err);
        SvcDebugOut(s);
It's really important to see the precise error code, not just the fact =

that there is an

error. If you are not using MFC, you can see from my code how to use F=

ormatMessage (I

just wrap it in a CString-returning function).
****>> > if (!::CreateDirectory(Folder, NULL)) // Failed to =

create the

folder?
           {


****
                     DWORD err = ::GetLastError();
                ...etc.
****

                   SvcDebugOut(_T("Cannot Create Direcotry"));
                   return FALSE;
           }
           return TRUE;
   }
   return TRUE;
}

can anyone temme how to create a folder programmatically because i
want save my files there in thet remote folder in that computer....=

pls

guys help me out....its very urgent!!!!


Joseph M. Newcomer [MVP]
email: newco...@flounder.com
Web:http://www.flounder.com
MVP Tips:http://www.flounder.com/mvp_tips.htm-Hidequoted text -

- Show quoted text -


hi thanks for replying mate...look i am using a windows service.i am
able to map a remote computer using my vc++ code using logon and
impersonating logon functions but the thing is that in that folder
which i am mapping i should create a folder inside that mapped
folder..for ur clarifications this is the llog which i have
written....

07/24/2007 11:42:16 *** \\192.168.1.19\DcmImg
07/24/2007 11:42:16 *** MapNetworkDrive : WNetAddConnection2 Sucess
07/24/2007 11:42:16 *** \\192.168.1.19\DcmImg
07/24/2007 11:42:16 *** MapNetworkDrive : WNetAddConnection2 Sucess
07/24/2007 11:42:16 *** \\192.168.1.19\DcmImg
07/24/2007 11:42:16 *** MapNetworkDrive : WNetAddConnection2 Sucess
07/24/2007 11:42:16 *** Application Folder :E:\EchoService\Debug\
07/24/2007 11:42:16 *** B:\07/24/2007 11:42:16 ***
INVALID_FILE_ATTRIBUTES07/24/2007 11:42:16 *** Cannot Create
Direcotry07/24/2007 11:42:16 *** C:\MatrixViewData\Temp\07/24/2007


*****
Note that you cannot put / in a file name! This may be the problem! T=

his requires that

under temp there is a subdirectory 07, and it has a subdirectory 24, an=

d under that you

can create a file called 2007.

The following characters are illegal in a path element component
        \ / indicate directories
        | < > piping symbols
        : used for drive designation
        * ? wildcard symbols
        " used to enclose file names that have internal spaces

So if you want a file named with a date, you need to eliminate the inte=

rnal / characters.

Also, you may find it easier to use the names if they have a format like
        2007-11-30
that is, year, month, day, which makes it easier to find files by both =

name and date

*****

11:42:16 *** C:\MatrixViewData\Log\07/24/2007 11:42:16 *** C:
\MatrixViewData\Backup\07/24/2007 11:42:16 *** C:\MatrixViewData\Cache
\07/24/2007 11:42:16 **

look above that i am able to map the directory but not able to create
folders inside that which is what i want buddy.....can u pls help me
out on this???? thanks in adavnce.....


*****
What was the actual error code? Folder not found or access denied? Th=

ere are many

reasons you might get an error, and looking at the return just as indic=

ating an error is

not sufficient to isolate the cause. Use ::GetLastError to get the act=

ual error code, as

shown above.

I see you are mapping the drive yourself, so that eliminates the issue =

about interactive

vs. non-interactive sessions. I would also suggest logging some detail=

s of the calls, or

showing the actual code that does the mapping, because when we see C:\ =

as a drive name, it

raises issues about whether this is a local drive or mapped drive, but =

you didn't actually

show that you were mapping "C" as a drive name. I presume that this is=

 one of the drive

letters you mapped.

But if the error is "access denied" then you are having some issue abou=

t the rights.

Unfortunately, I'm not very knowledgeable about the details of all the =

Windows security

mechanisms (I know them at a fairly high level, but not the APIs or iss=

ues of

impersonation) but with a precise description of the problem, there are=

 people in the

newsgroup who do know the answers to security questions and they might =

be able to help

better than I can.

Unless the filename issue I pointed out above is the cause (I just went=

 back and read the

log more carefully, after I wrote the above paragraph).
                                        joe
*****
Joseph M. Newcomer [MVP]
email: newco...@flounder.com
Web:http://www.flounder.com
MVP Tips:http://www.flounder.com/mvp_tips.htm-Hide quoted text -

- Show quoted text -- Hide quoted text -

- Show quoted text -


BOOL MapNetworkDrive(CString sDriveLetter, CString sUserName, CString
sPassword, CString sRemotePath)
{
        TCHAR szDriveLetter[10] = {'\0'};
        strcpy(szDriveLetter, sDriveLetter);
        TCHAR szUserName[32] = {'\0'};
        strcpy(szUserName, sUserName);
        TCHAR szPassword[32] = {'\0'};
        strcpy(szPassword, sPassword);
        TCHAR szRemotePath[MAX_PATH] = {'\0'};
        strcpy(szRemotePath, sRemotePath);

char szErr[128] = {0};
bool log = Logon( ".", _T("administrator"), _T("cimar3"), szErr,
sizeof(szErr) );

        NETRESOURCE nr;
        DWORD res;
        //
        // Assign values to the NETRESOURCE structure.
        //
        nr.dwType = RESOURCETYPE_ANY;
        nr.lpLocalName = NULL;
        nr.lpRemoteName = _T("\\\\192.168.1.67\\DcmImg");
        SvcDebugOut("\\\\192.168.1.67\\DcmImg\n");
        nr.lpProvider = NULL;
        //
        // Call the WNetAddConnection2 function to assign a drive letter =

to

the share.
        //
        res = WNetAddConnection2(&nr, _T("administrator"),_T("cimar3"),
FALSE);
        if( (res == NO_ERROR) || (res == ERROR_ALREADY_ASSIGNED) )
        {
                SvcDebugOut("MapNetworkDrive : WNetAddConnection2 Sucess\=

n");

                return TRUE;
        }
        else
        {
                CString sErrorMsg;
                sErrorMsg.Format("Fail to map %s to %s with UserName=%s=

 and Password=

%s. Error code: %ld\n",
                         szDriveLetter, szRemotePath, szUserName,
szPassword, res);
                SvcDebugOut(sErrorMsg);
                return FALSE;
        }

}

BOOL EnableNetworkDrive(void)
{
        CString sErrorMsg;
        /// SHAO FAN APR 13 ///
        /// Enable Network Drive if in need
        CString sAppFolder;
        TCHAR szBuffer[MAX_PATH_LEN] = {'\0'};
        if (GetModuleFileName(NULL, szBuffer, MAX_PATH_LEN))
        {
                sAppFolder = szBuffer;
                sAppFolder = sAppFolder.Left(sAppFolder.ReverseFind('\\=

') + 1);

        }
        CString sConnectionString = LoadConnectionString(sAppFolder);
        CDatabase db;
        try
        {
                db.OpenEx(sConnectionString, CDatabase::noOdbcDialog);
        }
        catch(CDBException *e)
        {
                sErrorMsg.Format("Fail to open database: %s\n", e->m_strE=

rror);

                e->Delete();
                SvcDebugOut(sErrorMsg);
                return FALSE;
        }

        CString sDriveLetter, sUserName, sPassword, sRemotePath;
        CString sQuery;

        CNetDrive NetDriveRS(&db);
        // Code Modified by R.Alagaraja on 28-12-2006
        // Loading queries from String Table
        // ***********************************
        LoadStringResource(sQuery,IDS_GNL_SEL_NTDRV);
        // ***********************************
        try
        {
                NetDriveRS.Open(CRecordset::snapshot, sQuery);
                while(!NetDriveRS.IsEOF())
                {
                        sDriveLetter = NetDriveRS.m_sDriveLetter;
                        sUserName = NetDriveRS.m_sServiceLoginName;
                        sPassword = NetDriveRS.m_sServiceLoginPassword;
                        sRemotePath = NetDriveRS.m_sRemotePath;
                        if( !MapNetworkDrive(sDriveLetter, sUserName, sPa=

ssword,

sRemotePath) )
                        {
                                NetDriveRS.Close();
                                db.Close();
                                return FALSE;
                        }
                        NetDriveRS.MoveNext();
                }
                NetDriveRS.Close();
        }
        catch(CDBException *e)
        {
                db.Close();
                sErrorMsg.Format("Fail to retrieve TABLE NetDrive: %s\n",=

 e->m_strError);

                e->Delete();
                SvcDebugOut(sErrorMsg);
                return FALSE;
        }
        return
...

read more =BB- Hide quoted text -

- Show quoted text -


hey joe,
i forgot to send this code.I thought this mite useful enough to help
me out of this quandry..

BOOL EchoServerInit(CString m_ConnectionString, CString m_AppFolder,
CString &m_ImageFolder,
                    CString &m_TempFileFolder, CString &m_LogFileFolder, CString
&m_DatabaseBackupFolder, CString &m_CacheFolder)
{
    ///-----------------------------------------------------------------
    /// prepare folders for EchoServer
    ///-----------------------------------------------------------------
    BOOL bImageFolderCreated = FALSE;
    BOOL bTempFolderCreated = FALSE;
    BOOL bLogFolderCreated = FALSE;
    BOOL bBackupFolderCreated = FALSE;
    BOOL bCacheFolderCreated = FALSE;

    CDatabase db;
    try
    {
        db.OpenEx(m_ConnectionString, CDatabase::noOdbcDialog);
    }
    catch(...)
    {
        SvcDebugOut(m_ConnectionString+" Fail to connect to database\n");
        return FALSE;
    }

    CServerSetting serverSettingRS(&db);
    try
    {
        // Code Modified by R.Alagaraja on 28-12-2006
        // Loading queries from String Table
        // ***********************************
        CString sQueryString = _T("");
        LoadStringResource(sQueryString,IDS_GNL_SEL_SERVSET);
        // ***********************************
        serverSettingRS.Open(CRecordset::snapshot, sQueryString);
        if(serverSettingRS.IsEOF())
        {
            // Add a new record
            CString sDataFolder = _T("C:\\MatrixViewData\\");
            if(!PrepareFolder(sDataFolder))
            {
                serverSettingRS.Close();
                db.Close();
                return FALSE;
            }
            CString sAETitle = "MVUServer";
            CString sPortNumber = "104";
            CString sTimeOut = "10";
            CString sMaxClient = "100";
            BYTE nSecurityMode = 0;
            BOOL bGenerateEventLog = 1;
            BOOL bSaveReceivedCS = 0;
            BOOL bSaveReceivedDS = 0;
            BOOL bSaveSentDS = 0;
            // The DICOM images folder
            m_ImageFolder = sDataFolder + DEFAULT_IMAGES_FOLDERNAME + "\\";
            // The temporary files folder
            m_TempFileFolder = sDataFolder + DEFAULT_TEMP_FOLDERNAME + "\\";
            // Create the Log file folder
            m_LogFileFolder = sDataFolder + DEFAULT_LOGS_FOLDERNAME + "\\";
            // Create the Database Backup Folder
            m_DatabaseBackupFolder = sDataFolder +
DEFAULT_DATABASE_BACKUP_FOLDER_NAME + "\\";
            // Create the Cache Folder
            m_CacheFolder = sDataFolder + DEFAULT_CACHE_FOLDERNAME + "\\";

            BYTE nMaxLogLevel = 2;
            BYTE nCompressType = 1;
            BYTE nCompressThread = 2;
            BYTE nCompressDelay = 10;
            CString sCompressDelay = _T("");
            BOOL bDiskFull = 0;
            ///---------------------------------------------------------------------=
--------------
            bImageFolderCreated = PrepareFolder(m_ImageFolder);
            bTempFolderCreated = PrepareFolder(m_TempFileFolder);
            bLogFolderCreated = PrepareFolder(m_LogFileFolder);
            bBackupFolderCreated = PrepareFolder(m_DatabaseBackupFolder);
            bCacheFolderCreated = PrepareFolder(m_CacheFolder);
            SvcDebugOut(m_ImageFolder+_T("\n"));
            SvcDebugOut(m_TempFileFolder+_T("\n"));
            SvcDebugOut(m_LogFileFolder+_T("\n"));
            SvcDebugOut(m_DatabaseBackupFolder+_T("\n"));
            SvcDebugOut(m_CacheFolder+_T("\n"));

            if(!(bImageFolderCreated &&
                 bTempFolderCreated &&
                 bLogFolderCreated &&
                 bBackupFolderCreated &&
                 bCacheFolderCreated))
            {
                serverSettingRS.Close();
                db.Close();
                SvcDebugOut("Error creating needed folders\n");
                return FALSE;
            }

            CString sImageFolder = m_ImageFolder;
            CString sTempFileFolder = m_TempFileFolder;
            CString sLogFileFolder = m_LogFileFolder;
            CString sDatabaseBackupFolder = m_DatabaseBackupFolder;
            CString sCacheFolder = m_CacheFolder;
#ifdef MYSQL
            sImageFolder.Replace(_T("\\"), _T("\\\\"));
            sTempFileFolder.Replace(_T("\\"), _T("\\\\"));
            sLogFileFolder.Replace(_T("\\"), _T("\\\\"));
            sDatabaseBackupFolder.Replace(_T("\\"), _T("\\\\"));
            sCacheFolder.Replace(_T("\\"), _T("\\\\"));
#endif
            serverSettingRS.Close();
            CString sExeQuery;
            // Code Modified by R.Alagaraja on 29-12-2006
            // Loading queries from String Table
            // ***********************************
            CString szLoadString = _T("");
            LoadStringResource(szLoadString,IDS_GNL_INST_SRVSET);
            sExeQuery.Format(szLoadString,
                             sAETitle, sPortNumber, sTimeOut, sMaxClient,
                             nSecurityMode, bGenerateEventLog,
bSaveReceivedCS, bSaveReceivedDS, bSaveSentDS,
                             sImageFolder, sTempFileFolder,
sLogFileFolder,sDatabaseBackupFolder,
                             nMaxLogLevel, nCompressType, nCompressThread, sCompressDelay,
sCacheFolder);
            // ***********************************
            db.ExecuteSQL(sExeQuery);
            db.Close();
        }
        else
        {
            m_ImageFolder = serverSettingRS.m_ImageFolder;
            m_TempFileFolder = serverSettingRS.m_TempFileFolder;
            m_LogFileFolder = serverSettingRS.m_LogFileFolder;
            m_DatabaseBackupFolder = serverSettingRS.m_DatabaseBackupFolder;
            m_CacheFolder = serverSettingRS.m_sCacheFolder;
            serverSettingRS.Close();
            db.Close();
            ///---------------------------------------------------------------------=
---
            bImageFolderCreated = PrepareFolder(m_ImageFolder);
            bTempFolderCreated = PrepareFolder(m_TempFileFolder);
            bLogFolderCreated = PrepareFolder(m_LogFileFolder);
            bBackupFolderCreated = PrepareFolder(m_DatabaseBackupFolder);
            bCacheFolderCreated = PrepareFolder(m_CacheFolder);

            SvcDebugOut(m_ImageFolder+_T("\n"));
            SvcDebugOut(m_TempFileFolder+_T("\n"));
            SvcDebugOut(m_LogFileFolder+_T("\n"));
            SvcDebugOut(m_DatabaseBackupFolder+_T("\n"));
            SvcDebugOut(m_CacheFolder+_T("\n"));

            if(!(bImageFolderCreated &&
                 bTempFolderCreated &&
                 bLogFolderCreated &&
                 bBackupFolderCreated &&
                 bCacheFolderCreated))
            {
                SvcDebugOut("Error creating needed folders\n");
                return FALSE;
            }
        }
    }
    catch(...)
    {
        db.Close();
        SvcDebugOut("Error Retrieving TABLE SeverSetting\n");
        return FALSE;
    }
    return TRUE;
}

this is how i prepare folders and stuff....these folders get created
in a folder called C:\matrixviewData in my local computer.....i just
want to map a network drive save all these folders in that network
path...this is my task and i am not able to create folders and i am
jus able to map it....Thanks in advance joe....

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