[16810] in Kerberos_V5_Development

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Preauth plugin adding PA-FX-COOKIE

daemon@ATHENA.MIT.EDU (Linus Nordberg)
Mon May 16 14:53:31 2011

To: krbdev@mit.edu
From: Linus Nordberg <linus@nordu.net>
Date: Mon, 16 May 2011 11:43:40 +0200
Message-ID: <87liy73rqr.fsf@nordberg.se>
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Hi,

How can a preauth plugin affect the pa-data cookie being returned in a
KRB-ERROR?  It looks like a cookie is unconditionally created and added
by get_preauth_hint_list() after the edata_proc function (get_edata) for
the plugin has been invoked.

Adding a get_cookie method to krb5plugin_preauth_server_ftable_v1 or
adding a krb5_pa_data *pa_cookie argument to edata_proc would be two
possible solutions.

Thanks,
Linus

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