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Reviewed:  https://review.openstack.org/437402
Committed: https://git.openstack.org/cgit/openstack/keystone/commit/?id=4e0029455ab45e3b9a15fe9fc151c14c502b7bdd
Submitter: Jenkins
Branch:    master

commit 4e0029455ab45e3b9a15fe9fc151c14c502b7bdd
Author: Matthew Edmonds <edmondsw@xxxxxxxxxx>
Date:   Fri Feb 24 00:41:11 2017 -0500

    Fix MFA rule checks for LDAP auth
    
    LDAP authentication was broken by the addition of MFA rule checking.
    This patch fixes that.
    
    Change-Id: I4efe4b1b90c93110509cd599f9dd047c313dade3
    Closes-Bug: #1662762


** Changed in: keystone
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1662762

Title:
  Authentication for LDAP user fails at MFA rule check

Status in OpenStack Identity (keystone):
  Fix Released
Status in OpenStack Identity (keystone) ocata series:
  Triaged

Bug description:
  I have a openstack master with LDAP server configured (fernet token
  provider). With the new changes around MFA rules
  (https://blueprints.launchpad.net/keystone/+spec/per-user-auth-plugin-
  reqs), I see that the authentication (POST /token) call fails at
  https://github.com/openstack/keystone/blob/029476272fb869c6413aa4e70f4cae6f890e598f/keystone/auth/core.py#L377

      def check_auth_methods_against_rules(self, user_id, auth_methods):
          user_ref = self.identity_api.get_user(user_id)
          mfa_rules = user_ref['options'].get(ro.MFA_RULES_OPT.option_name, [])

  In the last line the code flow expects user_Ref to always have an
  options attribute and this is not present for LDAP users due to which
  we get the below and authentication fails

  INFO keystone.common.wsgi [req-279e9036-6c6a-4fc8-9dfe-1d219931195c - - - - -] POST https://ip9-114-192-140.pok.stglabs.ibm.com:5000/v3/auth/tokens
  ERROR keystone.common.wsgi [req-279e9036-6c6a-4fc8-9dfe-1d219931195c - - - - -] 'options'
  ERROR keystone.common.wsgi Traceback (most recent call last):
  ERROR keystone.common.wsgi File "/usr/lib/python2.7/site-packages/keystone/common/wsgi.py", line 228, in __call__
  ERROR keystone.common.wsgi result = method(req, **params)
  ERROR keystone.common.wsgi File "/usr/lib/python2.7/site-packages/keystone/auth/controllers.py", line 132, in authenticate_for_token
  ERROR keystone.common.wsgi auth_context['user_id'], method_names_set):
  ERROR keystone.common.wsgi File "/usr/lib/python2.7/site-packages/keystone/auth/core.py", line 377, in check_auth_methods_against_rules
  ERROR keystone.common.wsgi mfa_rules = user_ref['options'].get(ro.MFA_RULES_OPT.option_name, [])
  ERROR keystone.common.wsgi KeyError: 'options'

  
  Conversation from #openstack-keystone on Freenode: 
  http://eavesdrop.openstack.org/irclogs/%23openstack-keystone/%23openstack-keystone.2017-02-07.log.html#t2017-02-07T14:01:09

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