Posted by Erland Sommarskog on 10/01/36 11:19

[posted and mailed, please reply in news]

(lac@myrealbox.com) writes:
> I am using SQL Server 2000 and SQL authentication in a web
> appliacation. All data access is done via single SQL Server account.
> In my front end I am using forms authentication. Is there a way to
> retrieve the forms identity (or just a username) from SQL Server?

Yes, but the form has to cooperate, and do this:

DECLARE @bin varbinary(128)
SELECT @bin = convert(varbinary(128), 'Username')
SET CONTEXT_INFO @bin

Then you can retrieve the username in SQL Server this way:

DECLARE @username varchar(128)
SELECT @username = convert(varchar(128), context_info)
FROM master.dbo.sysprocesses
WHERE spid = @@spid

Note that on SQL 2005, you should replace the access to sysprocesses to
use the built-in function context_info(). (Which unfortunately is not
available in SQL 2000.)

--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server SP3 at
http://www.microsoft.com/sql/techinfo/productdoc/2000/books.asp

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