On 26.8.2016 11:55, Martin Basti wrote:

On 26.08.2016 11:43, Jan Cholasta wrote:

On 11.8.2016 12:34, Stanislav Laznicka wrote:

I updated the design of the Time-Based HBAC Policies according to the
discussion we led here earlier. Please check the design page
http://www.freeipa.org/page/V4/Time-Based_Account_Policies. The biggest
changes are in the Implementation and Feature Management sections. I
also added a short How to Use section.

1) Please use the 'ipa' prefix for new attributes: memberTimeRule ->

2) Source hosts are deprecated and thus should be removed from

3) Since time rules are defined by memberTimeRule, accessTime should
be removed from ipaHBACRuleV2.

ad 2) 3)

Because backward compatibility, ipaHBACRuleV2 must contain all
attributes from ipaHBACRule as MAY

Not true.

With current approach, when timerule is added to HBAC, we just change
objectclass from 'ipahbacrule' to 'ipahbacrulev2' so we keep all
attributes that was defined in older HBAC. Removing any attrs from
ipaHBACRuleV2 can cause schema violation.

Which is perfectly fine.

I'm not sure if want to handle this in code (removing deprecated
attributes from HBAC entry when timerule is added)

We don't have to do anything. If any of the deprecated attributes are present when you change the object class (which they shouldn't anyway), you'll get schema violation, otherwise it will work just fine.

I realized that AccessTime is MUST for 'ipahbacrule', so when timerule
('ipahbacrulev2') is removed and somebody deleted accesstime we have to
add it back.

It is MAY. The only MUST attribute is accessRuleType, but that is deprecated as well and should be removed from ipaHBACRuleV2. We only support allow rules, so when timerule is removed, that's the value you set accessRuleType to.

4) The CLI sections needs more work, especially for non-standard
commands like timerule-test.

On the link below is a PROTOTYPE-patched FreeIPA that covers most of the
CLI functionality (except for the creation of iCalendar strings from
options) for better illustration of the design.


I will add FreeIPA people that recently had some say about this to CC so
that we can get the discussion flowing.


Jan Cholasta

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