Simo Sorce wrote:
On Tue, 2011-11-01 at 14:31 -0400, Adam Young wrote:
On 11/01/2011 01:04 PM, Rodney Mercer wrote:
On Tue, 2011-11-01 at 12:00 -0400,
On 10/31/2011 05:20 PM, Rodney Mercer wrote:
We have previously developed Solaris RBAC authorization within our
application to validate users and roles to our application's
commanding capability using the definitions that populate the name
service switch maps.

I have been searching for a method for implementing similar
using RHEL and had found promise with the following proposed
documentation for IPAv2:
We decided to back away from trying to provide central RBAC. Our
experience with multiple projects revealed that there is no one size
fits all solution regarding RBAC. But we were talking about geral Role
base access control model not specific RBAC as Solaris implemented it.
The Solaris RBAC is similar to sudo and HBAC combined together. Both
features are managed by IPA.
We also have SELinux policies on Linux that can constrain the root
access. The user SELinux roles management is on the roadmap but HBAC +
SUDO should give you the equivalent if not more functionality than
Solaris RBAC.

Or you can use RHEL6.2 beta and see the docs about SUDO and HBAC
The RBAC structure that I speak of is contained within our application.
Being able to have IPA clients request the XML blob of role mappings to
internal application commanding authorizations is what I was looking

Is it possible to create IPA Roles that mean nothing to IPA yet our
independent application could query and use them with it's internal
security mechanisms?

Yes it is possible.  The role mechanism does not have to have any
permissions or privileges assigned to it, and they will show up as
"member of"  relations  in an LDAP query.

IIRC only if you are authenticated.

We constrict who can see memberof attributes in some of the subtrees to
avoid disclosing what privileges users have unless you are authenticated
to the directory.


And you'd have to update the set of objectclasses. You might also have problems managing role entries that have changed in this way.

You would probably be better off creating your own framework plugin to manage this type of object and put them into a new place in the LDAP tree.


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