Moving to freeipa-devel since we're going rather deep.
On 02/12/2014 10:02 AM, Martin Kosek wrote:
On 02/11/2014 08:52 PM, Rob Crittenden wrote:
On Feb 11, 2014, at 2:44 PM, Rob Crittenden <rcrit...@redhat.com
I have a situation where I need to support more than 1024 categories
on a system. I modified the selinuxusermap.py file to check for the
number of categories I need but ipa still responds with the original
error message. Do I need to restart any of the services?
Here is the command that was run and the output after applying the
ipa: ERROR: invalid 'ipaselinuxusermaporder': SELinux user
'staff_u:s0-s15:c0.c16383' is not valid: Invalid MCS value, must
match c[0-1023].c[0-1023] and/or c[0-1023]-c[0-c0123]
Have you updated your SELinux policy to support a larger MCS range? If
not then this will get you past the IPA validator but it won't work
with SELinux. See semanage(8).
Yes. I’m trying to set the SELinux categories in freeipa because when
you have lots of categories all semanage commands slow down (way down).
For other people’s knowledge, this requires recompilation of the
Ok, then your patch looks reasonable. The current code is for the default
values and we haven't had cause to make this configurable before now. You might
consider filing a ticket in our trac about this.
Also note that this change will be lost on your next IPA upgrade, and you'll
need to make this change on any IPA master you want these values to be managed.
The data will remain unchanged, but the original python values will be restored
if you update the packages.
I don't believe validators are currently extensible in the IPA framework. That
might be something we need to look at as well.
I am thinking you may be able to monkeypatch the validator in a custom plugin,
like selinuxusermap-user.py which would:
def custom_selinux_usermap_validator((ugettext, user):
ipalib.plugins.selinuxusermap = custom_selinux_usermap_validator
Then upgrade would not destroy the change. But of course, things may break as
well if for example we change the params of this function.
No, I don't think something like that will work; the validator is baked
into the Param on creation. You'd have to replace
`selinuxusermap.takes_params` with a copy that has a new
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