Reporting Services Custom Authentication And Web Reportviewer - Familiar Question

Feb 20, 2007

This is a subject that has been brought up before but I have not seen a definitive answer/solution.
We have implemented a custom authentication extension (forms authentication) for reporting services and it has been working just fine under "normal" conditions; "normal" being users logging in, viewing reports, and then moving on.
Recently some reports were created by our report group and they contain Dundas gauge controls for "dashboard" style reports. These reports are meant to be up all day and they post back every few seconds because the data they present is mission critical.
This of course exposed the inability of the reportviewer control to stay in the context of Report Manager when it comes to the cookie exchange and authentication thus resulting in the following error:
<html><head><title>Object moved</title></head><body>
<h2>Object
moved to <a
href="/ReportServer/logon.aspx?ReturnUrl=%2freportserver%2fReportExecution2005.asmx">here</a>.</h2>
</body></html>

I created a quick ASP.NET web application and added the reportviewer to it, implemented IReportServerCredentials and the report came up as expected but behaved the same way as it did in Report Manager. Same with a Windows Forms application.

Increasing the cookie timeout in the forms authentication tag is an option, but not an attractive one. Extending the reportviewer control is also an option, but I don't know if that is a good candidate right now because I don't see anything extensible yet.

Is this just the nature of RS with custom authentication or is there a viable solution out there right now?

Any and all answers are much appreciated and I thank you in advance.

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Authentication Reporting Services And Web Reportviewer

Feb 22, 2007

Hi,
I€™ve an application Web which uses to reportviewer to show information. I want that all the users of the application accede to reports by means of he himself user and password. This user is a local user of report€™s server. The problem is that when attempt to show report always appear the following error:
The request failed with HTTP status 401: Unauthorized.
The code that use is the following one:



ReportViewer1.ServerReport.ReportServerCredentials = new ReportViewerCredentials("Usuario", "pwd", "servidor");


using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Microsoft.Reporting.WebForms;
using System.Net;
using System.Security.Principal;
using System.Runtime.InteropServices;

/// <summary>
/// Summary description for ReportViewerCredentials
/// </summary>
public class ReportViewerCredentials : IReportServerCredentials
{
[DllImport("advapi32.dll", SetLastError = true)]
public extern static bool LogonUser(String lpszUsername, String lpszDomain, String lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);

[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
public extern static bool CloseHandle(IntPtr handle);

[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public extern static bool DuplicateToken(IntPtr ExistingTokenHandle,
int SECURITY_IMPERSONATION_LEVEL, ref IntPtr DuplicateTokenHandle);

public ReportViewerCredentials()
{
}

public ReportViewerCredentials(string username)
{
this.Username = username;
}


public ReportViewerCredentials(string username, string password)
{
this.Username = username;
this.Password = password;
}


public ReportViewerCredentials(string username, string password, string domain)
{
this.Username = username;
this.Password = password;
this.Domain = domain;
}


public string Username
{
get
{
return this.username;
}
set
{
string username = value;
if (username.Contains("\"))
{
this.domain = username.Substring(0, username.IndexOf("\"));
this.username = username.Substring(username.IndexOf("\") + 1);
}
else
{
this.username = username;
}
}
}
private string username;



public string Password
{
get
{
return this.password;
}
set
{
this.password = value;
}
}
private string password;


public string Domain
{
get
{
return this.domain;
}
set
{
this.domain = value;
}
}
private string domain;




#region IReportServerCredentials Members

public bool GetBasicCredentials(out string basicUser, out string basicPassword, out string basicDomain)
{
basicUser = username;
basicPassword = password;
basicDomain = domain;
return username != null && password != null && domain != null;
}

public bool GetFormsCredentials(out string formsUser, out string formsPassword, out string formsAuthority)
{
formsUser = username;
formsPassword = password;
formsAuthority = domain;
return username != null && password != null && domain != null;

}

public bool GetFormsCredentials(out Cookie authCookie,out string user, out string password, out string authority)
{
authCookie = null;
user = password = authority = null;
return false; // Not implemented
}


public WindowsIdentity ImpersonationUser
{
get
{

string[] args = new string[3] { this.Domain.ToString(), this.Username.ToString(), this.Password.ToString() };
IntPtr tokenHandle = new IntPtr(0);
IntPtr dupeTokenHandle = new IntPtr(0);

//const int LOGON32_PROVIDER_DEFAULT = 0;
////This parameter causes LogonUser to create a primary token.
//const int LOGON32_LOGON_INTERACTIVE = 2;

const int LOGON32_PROVIDER_DEFAULT = 3;
//This parameter causes LogonUser to create a primary token.
const int LOGON32_LOGON_INTERACTIVE = 9;
const int SecurityImpersonation = 2;


tokenHandle = IntPtr.Zero;
dupeTokenHandle = IntPtr.Zero;
try
{
// Call LogonUser to obtain an handle to an access token.
bool returnValue = LogonUser(args[1], args[0], args[2],
LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT,
ref tokenHandle);

if (false == returnValue)
{
Console.WriteLine("LogonUser failed with error code : {0}",Marshal.GetLastWin32Error());
return null;
}

// Check the identity.
System.Diagnostics.Trace.WriteLine("Before impersonation: "
+ WindowsIdentity.GetCurrent().Name);



bool retVal = DuplicateToken(tokenHandle, SecurityImpersonation, ref dupeTokenHandle);
if (false == retVal)
{
CloseHandle(tokenHandle);
Console.WriteLine("Exception in token duplication.");
return null;
}


// The token that is passed to the following constructor must
// be a primary token to impersonate.
WindowsIdentity newId = new WindowsIdentity(dupeTokenHandle);
WindowsImpersonationContext impersonatedUser = newId.Impersonate();


// Free the tokens.
if (tokenHandle != IntPtr.Zero)
CloseHandle(tokenHandle);
if (dupeTokenHandle != IntPtr.Zero)
CloseHandle(dupeTokenHandle);

// Check the identity.
System.Diagnostics.Trace.WriteLine("After impersonation: "
+ WindowsIdentity.GetCurrent().Name);

return newId;

}
catch (Exception ex)
{
Console.WriteLine("Exception occurred. " + ex.Message);
}

return null;
}
}


public ICredentials NetworkCredentials
{
get
{
return null; // Not using NetworkCredentials to authenticate.
}
}


#endregion


}

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Dim param(2) As Microsoft.Reporting.WebForms.ReportParameter
param(0) = New Microsoft.Reporting.WebForms.ReportParameter("ProjectID", Me.cboProject.SelectedValue)
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End If
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<html xmlns="http://www.w3.org/1999/xhtml" >
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<title>Untitled Page</title>
</head>

<body>
<form id="form1" runat="server">
<div>
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&nbsp;

</div>
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Nov 1, 2005

Hello,My boss wants me to create a front end webpage for our ReportingServices reports that customers can log onto through a webform. I'm aPHP programmer, so I'd rather do this site and the authentication inPHP than learn .NET. The main problem I see is finding a way to passthe authentication to Reporting Services so that when a user runs areport, they are not asked to enter their password a second time.I don't even know where to start researching this problem... I've askedin PHP forums and they passed me to you guys. Any ideas?Andrew

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Reporting Services Authentication Question

Mar 30, 2007

Hi,



I've changed from Visual Studio 2003 to Visula Studio 2005 by using now the MS SQL 2005 Express Advanced Edition.

As I wanted to deploy another report suddenly it asked me for an authetication for the ReportServer ?

Well, no problem, I thought and looked into the authentications in IIS, but no one of those is working.

Where the heck do I have to look ?



Thx for reply.



Andreas



P.S. Using on backend site RS Enterprise Edition SP1 and changed for developing reports from VS 2003 to VS 2005 with reporting services.

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Problem Using Reporting Services Forms Authentication With SSL

Jan 23, 2007

I am using Reporting services 2005 and have enabled forms authentication using the example found in:
'C:Program FilesMicrosoft SQL Server90SamplesReporting ServicesExtension SamplesFormsAuthentication Sample'
This works correctly without SSL, but when I enable SSL I get an error when logging in. The symptoms are as follows. I can login to the reporting server (in my case <server>/ReportServer2) directory, but when I login to the report manager (in my case at <server>/Reports2) I get the following error:
'The underlying connection was closed: An unexpected error occurred on a send.'
Can anyone suggest why I might be getting this error?

Thank you,
Graham

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Reporting Services Authentication Ticket Across Domain

Apr 4, 2007

Hi,

I am new to Reporting Services. I want to use Reporting Services 2005 in our application.

My custom web application is on one machine and Reporting Services 2005 is on other machine. I am using Forms Authentication and using Single Sign On for login

If my custom web application and Reporting Services are on same machin I can get "Authentication Ticket" issued by ReportingServices2005 to the Report server.



But in this case I am not able to get "Authentication Ticket" on Report Server since it is on other machine.

I am using ReportViewer control in my web application to display Reports and using LogonUser method to get the Authentication Ticket.



How can I pass CookieAuthentication ticket from my Custom Web Application to Report Server?

Is there any work around to pass Authentication Cookie across Domain or any other solution for this?



Regards

Amit

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SQL Reporting Services With Cross Forest Authentication Issues

May 13, 2008


I setup CRM 4.0 in one domain with a domain service account. SQL Reporting is located on the same machine using the same service account. SQL is on a different machine. These are in the same single domain forest which has a two way trust relation with another domain of a separate single domain forest. Both domains are W2k3 Native Mode.

The CRM application allows access to users in both domains. The reports are generated with accounts in the first domain where CRM and SQL Reports is located but not for users in the other domain. The CRM's report viewer window displays "The report cannot be displayed."

The following are events that are related to the error:
On CRM server:
Event Type: Warning
Event Source: ASP.NET 2.0.50727.0
Event Category: Web Event
Event ID: 1309
Date: 5/13/2008
Time: 6:55:19 AM
User: N/A
Computer: CRMSERVER
Description:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 5/13/2008 6:55:19 AM
Event time (UTC): 5/13/2008 1:55:19 PM
Event ID: cc4c29c8f4be4e82ac0eee1234a15dc6
Event sequence: 77
Event occurrence: 1
Event detail code: 0

Application information:
Application domain: /LM/W3SVC/2/ROOT-1-128551603464644692
Trust level: Full
Application Virtual Path: /
Application Path: C:Program FilesMicrosoft Dynamics CRMCRMWeb
Machine name: CRMSERVER

Process information:
Process ID: 3340
Process name: w3wp.exe
Account name: CRM Service Account

Exception information:
Exception type: CrmReportingException
Exception message: An error has occurred during report processing. (rsProcessingAborted)

Request information:
Request URL: http://CRMServer:5555/OrganizationDev/CRMReports/rsviewer/reportviewer.aspx
Request path: /OrganizationDev/CRMReports/rsviewer/reportviewer.aspx
User host address: 172.x.y.z
User: OTHERDOMAIN estuser
Is authenticated: True
Authentication Type: Negotiate
Thread account name: CRM Service Account

Thread information:
Thread ID: 1
Thread account name: CRM Service Account
Is impersonating: False
Stack trace: at Microsoft.Crm.Web.Reporting.SrsReportViewer.ConfigurePage()
at Microsoft.Crm.Application.Controls.AppUIPage.OnPreRender(EventArgs e)
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)


Custom event details:

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.



Event Type: Error
Event Source: MSCRMReporting
Event Category: None
Event ID: 19969
Date: 5/13/2008
Time: 6:55:19 AM
User: N/A
Computer: CRMSERVER
Description:
Web service request SetParameters to Report Server http://CRMServer/reportserver failed with SoapException. Error: An error has occurred during report processing. (rsProcessingAborted)

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.




On SQL Server:
Event Type: Failure Audit
Event Source: MSSQLSERVER
Event Category: (4)
Event ID: 18456
Date: 5/13/2008
Time: 6:55:18 AM
User: NT AUTHORITYANONYMOUS LOGON
Computer: SQLServer
Description:
Login failed for user 'NT AUTHORITYANONYMOUS LOGON'. [CLIENT: 172.a.b.c] This is the IP address for the CRM server.

The take away from the events is either the SQL Reporting or CRM is attempting to access the SQL service with the Anonymous account. I expect it's SQL reporting because the CRM application is not having problems letting in the other domain users. The problem occurs only on reports.

I tried the following:
1. Applied the steps in the CRM Planning Guide for "Taks for a native mode domain with users in a mixed-mode domain." This adds the other domain users to a domain local group. Then assigns Browser access to the SQL reports and SQL database access to the group.
2. Set the CRM server to be trusted for delegation (kerberos only)
3. Created SPNs for http/crmserver domaincrmservice and http/crmserver:5555 domaincrmservice and http/crmserver.domain.local domaincrmservice and http/crmserver.domain.local:5555 domaincrmservice

Any suggestion?

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Mar 2, 2004

Hi everyone,

I am testing reporting services custom assembly feature, but have problems.

I have referenced my dll, put my class name and instantiated it...

when i try and use a method within my instantiated class, it says "file or assembly name was not found".


Any ideas?

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Jun 6, 2007

I created a class library which uses a web reference
My SSRS report uses the class through its custom code
I copied the dll & dll.config of the class library to the VS2005 private assembllies and the report works
I copied the dll & dd.config to the reportserver bin and gave the assembly full trust by adding the necessary code group
I even added a code group the give the dll.config file full trust as well
Yet on Repost server, the report does not work
Any ideas
I suspect it is a permission problem

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Dec 4, 2006

For custom authorization, I am overwriting the CheckAccess method.

But how do I know what I am trying to access in CheckAccess method? I need to know what report the check access method is trying to execute for our requirements.

How do I get that?

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Oct 3, 2007

I need to implement custom security in reporting services. I have followed the standard example here:

http://technet.microsoft.com/en-us/library/ms160724.aspx



I got authentication to work without too many problems, and it authenticates by querying my custom table. I want to also maintain my authorizations in the same manner. I want to be able to define in my own tables that user test1 has permission to view reports 1, 3, 5, and 8. User test2 can view reports 1,3,5,8, and 9. User test3 can view 1, 2, and 4. Etc.

The authorization extension, contained in my version of Authorization.cs is where I expected to be able to do this. I wanted to be able to write code that queries my own tables and says, "does this user have permission to view this item?" Getting the this user portion is easy as is obvious in the many checkAccess methods. But being able to tell what item I am currently dealing with has proved impossible from the context of Authorization.cs, which implements IAuthorizationExtension. Knowing what type of item I am dealing with is obvious, but I need to know something that uniquely identifies the exact item I am dealing with.

How can I determine in checkAccess or any of the other available methods what "thing" they are looking at? What can I examine to determine that for instance this particular authorization request is against "Report 1"? It seems that if I was allowed to completely override Authentication to use my tables, I should be able to override Authorization to do the same. Is this possible or am I missing something?


Can anyone help? Thanks.

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May 2, 2007

I have successfully implemented forms authentication in RS. It works great to navigate to https://myserver/Reports. I get redirected to the login-page etc. It also works great to use the ReportViewer from within my WinForms app, using the

reportViewer.ServerReport.ReportServerCredentials.SetFormsCredentials

method. I'm also able to communicate with RS through it's web services by first calling the 'LogonUser' method. However, to get that to work I had to inherit the ReportExecutionService for the cookie-handling to work.



Now over to my problem (the only thing so far I haven't got working). I'm trying to use a ReportViewer on an ASP.net web page to access the reports. I have understood that 'SetFormsCredentials' is not avaliable here. Instead, as far as I have understood, I should implement my own IReportServerCredentials . The critical method there I guess is

GetFormsCredentials(out Cookie authCookie, out string formsUser, out string formsPassword, out string formsAuthority)

, am I right?



It's here my problem starts. The examples I have seen haven't implemented this method since they use other types of authentication. So, I would need an example of what to fill that method with...



Regards Andreas



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ReportViewer Component In Web App And Authentication

Apr 10, 2008



Hey there,

I have a web app which contains a ReportViewer control for viewing reports on hosted on my ReportsServer instance.This web app runs under the identity DOMAINWebAppAccount.

When I try to access a Report I get the following error:

The permissions granted to user €˜DOMAINChipsC€™ are insufficient for performing this operation. (rsAccessDenied)

ChipsC is the username I log into the machine I launch the browser from.

My question is how can I get the ReportViewer to access the reports based on the WebAppAccount user instead of the ChipsC user (or any other user)?

Any help is welcomed on this.

Thanks

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I can consume the reportingservice using credentials to get reportnames and folders and such, but when i go to use the reportviewer, after i set the reportpath and serverurl, I am always asked to authenticate when using the sample reportviewer with RS 2000. How can i prevent this? I know there is the Icredentials that can be set using the serverreport property with the new viewer in 2005, but how about doing the same type thing in 2000?

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May 30, 2007

I need some help regarding Custom Colors implementation for Charts in the Reporting Services.



What we are trying to do is to make every color for every Series(see example below) to be a customized Corporate color.



For example each of the series on the Chart should be in specific Custom Color:

Series 1 - "LightBlue"
Series 2 - "LightYellow"

Series 3 - "DarkBrown"



All I found from MSDN is how to do it in the Chart Properties in a Code section (right click on the report outside the chart -> Properties -> Code tab -> paste the Custom Code ).



And then to use it in the Chart color definition as:


Code Snippet=Code.GetColor( Series# )











But we are trying to do it in a separate C# class that would be updated only in one place, instead of changing 30 reports each time something is changed. So that it could be generic.





The C# class:






Code Snippet

namespace CustomColorPalette

{

public class CustomPalette

{

public CustomPalette()

{

}



public static string GetColor(string GroupingValue)

{

int groupingValue = int.Parse(GroupingValue);

string[] colorPalette = {"Green", "Blue", "Red"};

if (groupingValue < colorPalette.Length)

{

return colorPalette.GetValue(groupingValue).ToString();

}

else

{

return "Black"; // if # of Series is more than defined - all undefined will be = Black color

}

}



}

}









I tried 2 different ways:





1.



Then I put a code into a Custom Code section of a report:






Code Snippet

Public Function GetColor(SeriesNumber as String)

Return CustomColorPalette.CustomPalette.GetColor(SeriesNumber)

End Function







And in the Chart Custom Color settings I put:




Code Snippet=Code.GetColor( Fields!SeriesNumber.Value )





And after compilation I get an error:



Error 303 [rsCompilerErrorInCode] There is an error on line 2 of custom code: [BC30451] Name 'CustomColorPalette' is not declared. c:developmentvoyagerreportsvoyager convert reports.rootvoyager convert reportsReport_007D.rdl 0 0










2.



Second way I tried:





Then I put a code into a Custom Code section of a report:






Code Snippet

Dim X As CustomColorPalette.CustomPalette

Protected Overrides Sub OnInit()

X = new CustomColorPalette.CustomPalette()

End Sub









And in the Chart Custom Color I put:




Code Snippet=Code.X.GetColor( Fields!SeriesNumber.Value )







And after compilation I am getting an error like this:

Error 302 [rsCompilerErrorInExpression] The BackgroundColor expression for the chart €˜chart2€™ contains an error: [BC30456] 'X' is not a member of 'ReportExprHostImpl.CustomCodeProxy'. c:developmentvoyagerreportsvoyager convert reports.rootvoyager convert reportsReport_007D.rdl 0 0



Is there any workaround? Or all I can do is to make the Custom Colors manually in each report, and if something need to be changed - I will need to change it in each report separately





Thanks,

Alex

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Thanks ...

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Hi,

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Please can any one help me in this regard.

Thanks

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