[OpenAFS-devel] Re: MEMORY credential cache interop between Heimdal and MIT?

[Jeffrey Altman]

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Henry B. Hotz wrote:
> Also while setgroups() may not be sufficiently protected to
> really satisfy the model, it's at least harder than setenv.

I'm now confused.  What are you trying to protect against?

Kerberos uses environment variables as one method of pointing
an application at a specific credential cache.  It doesn't
have to be a FILE credential cache.  It could be an API cache
as on Windows or MacOS X, or an LSA cache on Windows, or a
KEYRING cache on Linux, or one of any of the other credential
cache types.  Implementing a PAG credential cache is not
necessarily going to eliminate the use of environment variables as a
method of pointing the application at the PAG credential cache.

Jeffrey Altman

P.S. - I find it very interesting that this thread is now
including OpenAFS when it still is not including MIT's Kerberos
Developer's in the discussion.



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