File.Copy

[Pratiksha Saxena]

Hi,

i have a web application in which on button_click i have written code for File.Copy

 File.Copy(@"e:\Text.txt", @"\\okh-lb-labs-030\\D$\\MT\\Text.txt"); 

but i gives error Logon failure: unknown user name or bad password.

The files are in Intranet.

Source is   e:\Text.txt

Destination is \okh-lb-labs-030\\D$\\MT\\Text.txt

If i copy on my local system it is fine but on network it gives error.i tried even giving rights to MT folder but no use.

Please help.

Pratiksha

[slim MOURALI]

you must give permission on the remote machine... to the user that the iis
is running

2009/11/17 Pratiksha Saxena <pratiksh...@gmail.com>

[Jamie Fraser]

IIS runs as a specific user.

That user must have permissions on the file share.

[Keidrick Pettaway]

You need to assign permissions on the directory itself for the said user. I would also make the user(s) also sign in to hit the file. What kind of authentication method are you currently using?

Keidrick Pettaway
Web:
http://www.kpettaway.com
Twitter:
http://twitter.com/kpett
Linkedin:
http://www.linkedin.com/pub/keidrick-pettaway/8/705/b58

---

From: Jamie Fraser <jamie....@gmail.com>

Date: Wed, 18 Nov 2009 11:25:15 +0000

To: <dotnetde...@googlegroups.com>

Subject: Re: [DotNetDevelopment] File.Copy

[Pratiksha Saxena]

What permission should i give.I have already given permission in folder for the files to be copied to the user.

Eg my machine name is okh-lb-labs-014 i have given rights to okh-lb-labs-014 as full control.What else should i give.

Thanks

Pratiksha

[slim MOURALI]

permission in IIS server

2009/11/18 Pratiksha Saxena <pratiksh...@gmail.com>

[Pratiksha Saxena]

Finally i solved this.

Thanks to all for ur suggestions

Pratiksha

[Raghupathi Kamuni]

How? Let us know the solution. It would be helpful for those looking for solution facing similar problems.

[ashish srivastava]

when u run it using dot net ide it will work becoz asp.net have a restricted user on IIS but when u user it with

ie it will not it require a user u have to provide it in web config file.

 

ashish

[Gayathry]

Hi,

Pls see the link
http://bytes.com/topic/asp-net/answers/755714-file-copy-remote-machine-probelm

Thanks
Gayathry

On Nov 18, 11:28 am, Pratiksha Saxena <pratiksha.sax...@gmail.com>
wrote:

> What permission should i give.I have already given permission in folder for
> the files to be copied to the user.
> Eg my machine name is okh-lb-labs-014 i have given rights to okh-lb-labs-014
> as full control.What else should i give.
>
> Thanks
> Pratiksha
>

> On Tue, Nov 17, 2009 at 10:02 PM, slim MOURALI <mourali.s...@gmail.com>wrote:
>
>
>
> > you must give permission on the remote machine... to the user that the iis
> > is running
>

> > 2009/11/17 Pratiksha Saxena <pratiksha.sax...@gmail.com>

>
> > Hi,
>
> >> i have a web application in which on button_click i have written code for
> >> File.Copy
>
> >>  File.Copy(@"e:\Text.txt", @"\\okh-lb-labs-030\\D$\\MT\\Text.txt");
>

> >> but i gives error *Logon failure: unknown user name or bad password.*
> >> *
> >> *
> >> *The files are in Intranet.*

[Pratiksha Saxena]

For benefit of all facing similar problem-for File.Copy in Lan(Use Shared Resource)

For this i impersonated the user who can access the network.

 public const int LOGON32_LOGON_INTERACTIVE = 2;

    public const int LOGON32_PROVIDER_DEFAULT = 0;

    WindowsImpersonationContext impersonationContext;

    [DllImport("advapi32.dll")]

    public static extern int LogonUserA(String lpszUserName,

        String lpszDomain,

        String lpszPassword,

        int dwLogonType,

        int dwLogonProvider,

        ref IntPtr phToken);

    [DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]

    public static extern int DuplicateToken(IntPtr hToken,

        int impersonationLevel,

        ref IntPtr hNewToken);

    [DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]

    public static extern bool RevertToSelf();

    [DllImport("kernel32.dll", CharSet = CharSet.Auto)]

    public static extern bool CloseHandle(IntPtr handle);

 protected void Page_Load(object sender, EventArgs e)

 if (impersonateValidUser("XXXXXXX", "XXXX", "XXXX"))

        {

           

            //File.Copy(@"\\XXX\XX.XX", @"\\YYYY\YY\YY.YY");

            undoImpersonation();

        }

        else

        {

            //Your impersonation failed. Therefore, include a fail-safe mechanism here.

        }

private bool impersonateValidUser(String userName, String domain, String password)

    {

        WindowsIdentity tempWindowsIdentity;

        IntPtr token = IntPtr.Zero;

        IntPtr tokenDuplicate = IntPtr.Zero;

        if (RevertToSelf())

        {

            if (LogonUserA(userName, domain, password, LOGON32_LOGON_INTERACTIVE,

                LOGON32_PROVIDER_DEFAULT, ref token) != 0)

            {

                if (DuplicateToken(token, 2, ref tokenDuplicate) != 0)

                {

                    tempWindowsIdentity = new WindowsIdentity(tokenDuplicate);

                    impersonationContext = tempWindowsIdentity.Impersonate();

                    if (impersonationContext != null)

                    {

                        CloseHandle(token);

                        CloseHandle(tokenDuplicate);

                        return true;

                    }

                }

            }

        }

        if (token != IntPtr.Zero)

            CloseHandle(token);

        if (tokenDuplicate != IntPtr.Zero)

            CloseHandle(tokenDuplicate);

        return false;

    }

    private void undoImpersonation()

    {

        impersonationContext.Undo();

    }

Pratiksha

[Kira Qian]

Anna, you do not need to be that complex. e:\Text.txt should be the file on your web app server. The remote server okh-lb-labs-030 should have a share folder and assign Full permission for your IIS server. Your web app use IIS_IUsers account to run the code. If you give full permission to IIS_IUsers account, there should be no problem. Give full permission to “Everyone” should also work and less security.