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I have a directory-based installation of Crowd which manages every component of my company, with the exception of ssh/remote login to our unix environments. It seems like an easy question, but I haven't found anyone with the answer - is there a way to have pam authenticate with crowd for remote user login.
A very similiar question (https://answers.atlassian.com/questions/3088), but most resources are for an LDAP install, which I don't have and don't want to install/configure.
Hi Trevor,
There isn’t a native way to authenticate SSH against Crowd.
However, you can create a custom connector to do it. In this link you can get more details. After you create it, I believe you will also need to create a Module to Pam. In this link and this you can find about it.
Regards,
Renato Rudnicki
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I'm not super familiar with PAM, but you shouldn't have to create a Crowd custom directory. Crowd's REST API should be enough to let you check whether a user's username & password are correct, if you can make your PAM module make a call to it.
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(You only need to write a custom Crowd directory if you want to change something like making users be fetched from some in-house database, etc)
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Another easier way to authenticate your users against crowd would be you setup a LDAP. So, you can use the LDAP connector bundled on Crowd. I know maybe you won't use a LDAP, but also you will have a lot of work writing modules (lot of works = fun :) ). Good Luck Renato Rudnicki Atlassian Support
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There is a solution: https://bitbucket.org/atlassian/crowd_pam/wiki/Home
Three of us (Sam Caldwell, @Brendan Shaklovitz, and Zach Boody) recently used this problem for Atlassian ShipIt 31. What we built is a working PIP package (which we need to get up to PyPI soon) that will allow users to extend PAM to authenticate against Atlassian Crowd.
Right now this only supports user/pass authentication against Crowd, but we plan on adding SSH key support and additional meta data parameters for user accounts.
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Trevor, I asked this question once back in 2008-2009 and there was no solution. But this morning I found that Tom OConnor has done what seems a promising job of starting down that path:
https://github.com/tomoconnor/pam_python_crowd
I'm debating on spending a weekend or so testing this solution to see if it can be made production-ready.
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I have forked Tom O'Connor's git repo and made a couple enhancements to get this closer to production ready. There's still a bit to go, but here is my fork: https://github.com/x684867/pam_python_crowd/blob/master/lib/security/pam_crowd.py When I have a final solution, I'll send Tom a pull request. (Thanks, Tom for the start of a great solution)
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That's fantastic, thanks for the hard work. Keep me/us posted, this work will surely come in very handy for myself and hopefully many others.
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If you want to avoid having the python dependency, there is a new project available that does this with a native C shared object: https://github.com/mbidewell/pam-crowd-auth
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