Re: File Security - C# Discussion Boards

AGTCooke20-Apr-10 4:13

20-Apr-10 4:13

If this is the wrong place to post this question, please move it. There's lots of overlap, so I wasn't sure where to put it.

Background: I'm trying to write a simple web application in C# that utilizes the Exchange Management Shell (EMS, 2007), which is itself a Windows Powershell snapin. I found a nice wrapper at here[^], which is what I'm using thus:

public void AD_SetForwardAddress()
{
    //Initialize the ExchangeManagementShellWrapper
    ExchangeManagementShellWrapper ems = ExchangeManagementShellWrapper.Instance;
    ICollection<PSObject> results;

    //Use the RunspaceInvoke command with a command string
    results = ems.RunspaceInvoke("Get-Command");
    foreach (PSObject item in results)
    {
        Response.Write(item.Members["Name"].Value.ToString());
    }
}

... which yeilds

Server Error in '/' Application.
Cannot load Windows PowerShell snap-in Microsoft.Exchange.Management.PowerShell.Admin because of the following error: The type initializer for 'Microsoft.Exchange.Data.Directory.Globals' threw an exception.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Management.Automation.Runspaces.PSSnapInException: Cannot load Windows PowerShell snap-in Microsoft.Exchange.Management.PowerShell.Admin because of the following error: The type initializer for 'Microsoft.Exchange.Data.Directory.Globals' threw an exception.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[PSSnapInException: Cannot load Windows PowerShell snap-in Microsoft.Exchange.Management.PowerShell.Admin because of the following error: The type initializer for 'Microsoft.Exchange.Data.Directory.Globals' threw an exception.]
   System.Management.Automation.Runspaces.RunspaceConfigForSingleShell.LoadCustomPSSnapIn(PSSnapInInfo mshsnapinInfo) +3816533
   System.Management.Automation.Runspaces.RunspaceConfigForSingleShell.LoadPSSnapIn(PSSnapInInfo mshsnapinInfo) +95
   System.Management.Automation.Runspaces.RunspaceConfigForSingleShell.LoadPSSnapIn(PSSnapInInfo mshsnapinInfo, PSSnapInException& warning) +3816862
   System.Management.Automation.Runspaces.RunspaceConfigForSingleShell.DoAddPSSnapIn(String name, PSSnapInException& warning) +265
   ExchangeManagementShellWrapper.InitializeRunspace() in M:\Programming\EmailForwarding2\EmailForwarding2\ExchangeManagementShellWrapper.cs:50
   ExchangeManagementShellWrapper.InitializeRunspaceInvoke() in M:\Programming\EmailForwarding2\EmailForwarding2\ExchangeManagementShellWrapper.cs:68
   _Default.AD_SetForwardAddress() in M:\Programming\EmailForwarding2\EmailForwarding2\Default.aspx.cs:327
   _Default.btnConfirm_Click(Object sender, EventArgs e) in M:\Programming\EmailForwarding2\EmailForwarding2\Default.aspx.cs:109
   System.Web.UI.WebControls.Button.OnClick(EventArgs e) +115
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +140
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +29
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2981


Version Information: Microsoft .NET Framework Version:2.0.50727.4200; ASP.NET Version:2.0.50727.4016

Which is just special.

The code is running on a Windows 2008 (64) box with the Windows SDK, Exchange Management Tools installed, and the application pool is running as a user with Exchange Recipient admin privileges.

Suggestions?

Note that the above references "M:\" which is a network location, however the code is being published to the local disk of the web server.

Re: C#, Powershell, and Exchange

Migounette20-Apr-10 10:42

Migounette

20-Apr-10 10:42

My two cents:

Certainly a privilieged account with exchange permission problem.

File Security

Myn9220-Apr-10 3:49

Myn92

20-Apr-10 3:49

I need to make an application which has to create a XML file and read/write the file every time my application starts. The problem is that the created file must be accesible only to my aplication and
it mustn't be deleted/moved/renamed/opened etc. by any other aplication or by windows.
Can some one helpe me?

Thanks