RE: How to access password protected shared network drives while trave

From:
=?Utf-8?B?U2ltb25hcyBMZWxlaXZh?= <sledge@work.lt>
Newsgroups:
microsoft.public.vc.language,microsoft.public.win32.programmer.networks
Date:
Tue, 1 Aug 2006 09:39:02 -0700
Message-ID:
<08C7F7BB-16DB-43BF-9868-AEC4D007CBF1@microsoft.com>
"Ashwani" wrote:

Hi,
i am using SHBrowseForFolder() function to traverse through the local system


Hi,

You should post such question in win32.programmer.networks(the best) or at
least in platformsdk.shell (not that good). You'd get a more exact help
rather than here (vc.language) or vc.mfc; vc.ide_general..

I've cross-posted your question [and my incomplete answer] to
win32.programmer.networks .

drives and shared network drives. But if i select a shared network drive
which is password protected it does not ask for username and password. Due
to which i was unable to traverse the shared drive. Can anybody tell me how
to unable this facility or how to capture the double click of mouse on the
tree shown in Browse For Folder dialog.


There is no standard way to do a login neither for tracking double-clicks.
As far as you can do is trap the BFFM_SELCHANGED message in
BrowseForFolderCallbackProc, this will do:

CALLBACK CCfgLocationAndConnection::BrowseCallbackProc( HWND hwnd, UINT
uMsg, LPARAM lParam, LPARAM lpData)
{
    if ( uMsg == BFFM_INITIALIZED || uMsg == BFFM_SELCHANGED )
    {
        TCHAR newPath[MAX_PATH+1];
        SHGetPathFromIDList( (LPITEMIDLIST)lParam, newPath );
        // If the selection is a network share (shared _folder_),
        // newPath points to it O.K.
        // However, if this is a top level network PC, newPath == "" :(
        if (*newPath == 0)
        {
            // Let's work this around:
            CComPtr<IShellFolder> pSHFolder;
            SHGetDesktopFolder(&pSHFolder);
            STRRET strret;
            pSHFolder->GetDisplayNameOf((LPITEMIDLIST)lParam, SHGDN_FORPARSING,
&strret);
            // It is the only known way [by me] to get the name of a network PC
            // as you cannot pass it by (list its shares) -- the password dialog
            // would popup in any case in Windows Explorer (but, remember, not in
            // SHBrowseForFolder). I.e., not having a connection to that PC,
            // will not further expand its shares.
            if (strret.uType == STRRET_WSTR)

                // A check for prefixing double back-slash, as you may have selected
                // a domain/workgroup name, -- these entries have to be filtered out
                if (strret.pOleStr[0] == '\\' &&
                        strret.pOleStr[1] == '\\')

                    _tcscpy(newPath, CW2T(strret.pOleStr));

        }

        if (*newPath)
        {
            NETRESOURCE nres;
            ZeroMemory(&nres, sizeof(NETRESOURCE));
            nres.dwType = RESOURCETYPE_DISK;

            nres.lpRemoteName = newPath;

            TCHAR *dom = _tcschr(nres.lpRemoteName+2, '\\');
            if (dom) *dom = 0;
            DWORD dwRet = WNetAddConnection3(NULL, &nres, NULL, NULL, NULL);
            if (dwRet != ERROR_SUCCESS)
            {
                if (dwRet == ERROR_INVALID_PASSWORD || dwRet == ERROR_LOGON_FAILURE)
                {
                    // DISPLAY LOGIN DIALOG and try to re-WNetAddConnection3 with
                    // user/pass known. It would be best to display a standard
                    // windows login dialog, only I do not know how --
                    // maybe someone in this group can answer? Thanks here, too! :)
                }
                else
                {
                    TCHAR szErr[MAX_PATH+1];
                    TCHAR szName[MAX_PATH+1];
                    // This returns empties for other errors (even for ERROR_LOGON_FAILURE
                    // -- I don't know why)
                    WNetGetLastError(&dwRet, szErr, MAX_PATH, szName, MAX_PATH);
                    MessageBox(hwnd, szErr, szName, MB_ICONHAND);
                }
            }
        }
    }
}

Thanks.


Same here ;) for further elaboration of the issue by the guys out here :)

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