Re: WindowsIdentity - Invalid token; it cannot be duplicated
- From: Dominick Baier <dbaier@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 14 Mar 2007 16:07:31 +0000 (UTC)
Hi,
well - frankly, i don't understand what you are doing...
and why do you have to pass tokens around??
-----
Dominick Baier (http://www.leastprivilege.com)
Developing More Secure Microsoft ASP.NET 2.0 Applications (http://www.microsoft.com/mspress/books/9989.asp)
Hi Domnic,
Thanks for your response. Here the code from Login() webmethod and
the same token will be passed to another method which has the actual
problem.
WindowsIdentity wi = WindowsIdentity.GetCurrent();
IntPtr iToken = wi.Token;
string domainName="";
string userName="";
if (wi.Name != null)
{
string curUser = wi.Name;
if (curUser.Length>0)
{
int sepIndex = curUser.IndexOf(@"\");
if (sepIndex>-1)
{
domainName = curUser.Substring(0,sepIndex);
int len = curUser.Length-domainName.Length;
if (len>0)
{
userName = curUser.Substring(sepIndex+1,len-1);
}
}
else //just in case , no domain
userName=curUser;
}
}
Thanks,
Kamal.
"Dominick Baier" wrote:
Where do you get the token from?
-----
Dominick Baier (http://www.leastprivilege.com)
Developing More Secure Microsoft ASP.NET 2.0 Applications
(http://www.microsoft.com/mspress/books/9989.asp)
I am having invalid token, it cannot be duplicated error 70% of the
time on one machine. We are creating and validating the current
user. The following line of code raise exception.
System.Security.Principal.WindowsIdentity winIden=new
System.Security.Principal.WindowsIdentity(iToken);
Exception:
String Message = "LoginWI() Invalid token; it cannot be duplicated.
at
RtReports.Security.LocalAuthentication.CheckUserGroups(IntPtr
iToken,
StringCollection strGroupsCollection)
Any help is really appreciated.
Thanks,
Kamal
.
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