Hi,
I'd say using the System.DirectoryServices namespace would be a lot more
lightweight than implementing an ADO solution if all you want to do is
authenticate.
BR
Mikael Freidlitz
Co-author of "Pro .NET System.DirectoryServices Programming"
-----Original Message-----
From: Sebastian Good <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Date: Thu, 25 Mar 2004 12:52:18 -0600
Subject: Re: [ADVANCED-DOTNET] LDAP Authentication to a non-Microsoft
server
> We have had success using the ADODB LDAP driver from .NET. Use the
> OleDb* set of objects. E.g.
>
> OleDbConnection cxn = new OleDbConnection(
> string.Format("Provider=ADsDSOObject;Password={0};User ID={1}",
> password,
> username));
>
> If all you want to do is authenticate, you'd have to read some nonsense
> data using this command (forcing it to bind) and catch an exception to
> indicate the bind failed.
>
> Sebastian Good
> Palladium Consulting
> http://www.palladiumconsulting.com/
>
> -----Original Message-----
> From: Moderated discussion of advanced .NET topics.
> [mailto:[EMAIL PROTECTED] On Behalf Of Kevin Hector
> Sent: Thursday, March 25, 2004 5:24 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [ADVANCED-DOTNET] LDAP Authentication to a non-Microsoft
> server
>
> Mark
>
> You will need to write your own code to perform the authentication
> against
> the directory. I have done this in the past using the C LDAP API
> wrapped
> in
> a C++ COM object. The LDAP server was a Lotus notes server of which I
> actually know very little. I tried to migrate the code to .NET but the
> server was not configured to LDAP standard so would fail (never worked
> out
> why the C LDAP API implementation would work but the ADSI
> implementation
> would not).
>
> Basically you will need to use the System.DirectoryServices namespace
> [1]
> using the LDAP provider. In the C LDAP API the process was:
>
> 1. Perform an anonymous bind to the server
> 2. Search the directory (in my case, using the cn attribute)
> 3. If the entry is found, attempt an authenticated bind to the
> directory
> (in
> my case, using the cn and password)
>
> Sorry I can't really help with the .NET side of things, but I seem to
> remember the DirectoryServices namespace was quite self explanatory.
> IIRC,
> its just a managed wrapper onto ADSI.
>
> You would be able to use forms authentication since at its most basic
> your
> authentication method will just accept a username and password and
> return a
> bool indicating the result, which is no different to storing a username
> and
> password in a database or elsewhere.
>
> Hopefully someone else on this list will be more helpful!
>
> KH
>
> [1]
> http://msdn.microsoft.com/library/en-us/cpref/html/frlrfSystemDirectory
> S
> ervices.asp
>
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