authhub-devel May 2011

authhub-devel@lists.stg.fedorahosted.org

5 participants
3 discussions

AuthHub repo
by Nathaniel McCallum 27 May '11

27 May '11

I have rebased Sumit's AuthHub yubikey plugin onto a new repo here: https://github.com/npmccallum/krb5-anonsvn/tree/AuthHub This will allow proper merging with the upstream github repo. Let me know if I've missed anything. Nathaniel

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OTP: Putting the nonce in the cookie
by Linus Nordberg 20 May '11

20 May '11

Hi list, I recently pushed[0] some code for putting the nonce in the PA-FX-COOKIE (to branch otp-wip of git://git.nordu.net/krb-otp.git) It took some changes to generic FAST code though. Please let me know if you think this isn't a good way of solving it. For example, I can't really see how this is supposed to work with authentications sets. We'll definitely have to think more about how the nonce should be constructed. As mentioned in kdc_preauth_get_cookie(): If cookies are used for real, versioning so that KDCs can be upgraded, keying, expiration and many other issues need to be considered. [0] http://git.nordu.net/?p=krb-otp.git;a=commit;h=c8ca1a83805ce967bcf251ff553f… Thanks, Linus

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A first stab at an OTP plugin system
by Linus Nordberg 10 May '11

10 May '11

Hi, There's a naïve plugin system in place in the otp branch of git://git.nordu.net/krb-otp.git, based on the AuthHub code. It's all static and a bit clumsy a.t.m. with the OTP FAST plugin depending on everything that its "methods" depend on. The interface is agnostic to Kerberos implementation in an attempt to make OTP methods easier to deploy. Whether this holds water is something yet to be seen. Configuration is split up into kdb and config (krb5.conf) with the kdb per-principal data in turn split up in two parts. One entry (krbExtraData in MIT) is used by the OTP plugin for selecting OTP method. The other is an opaque blob not interpreted by generic code, as earlier suggested by Dmitri Some error and memory handling cleanup has been done but there are still lots of issues with how requests are verified by the KDC. Looking into this shortly. There's a simple plugin using libcurl to do http(s) basic authentication in m_basicauth.[ch]. The original Yubikey functionality can be found in m_ykclient.[ch]. It's all mostly untested.

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authhub-devel May 2011