[Fedora-directory-users] Proposed new features for 1.3

Fri Apr 10 12:40:19 UTC 2009

Use case example for certmap.conf for end user:

Customer has desire to share Enterprise Directory information across WAN
for contact information sharing, but has requirement for strong
authentication using PKI.  PKI trust is a PKI Mesh utilizing cross
certification.  Users information in Directory Server One (DS1) are
associated with users issued certificates from PKI One (PKI1).  Users
information in Directory Server Two (DS2) are associated with users
issued certificates from PKI Two (PKI2).

DS1 has no awareness or cross population of entries with DS2, but PKI1
is cross certified with PKI2 and trusted by both populations.  Users
associated with PKI1 have a business requirement to strongly
authenticate with DS2 to locate and collaborate with population of users
in DS2, but have no entry in DS2 and vice versa.  By removing current
capability to strongly authenticate based on TLS configuration but have
NO DN in DS you are removing capability to use SASL External in a cross
certified PKI environment.  User of the product will be forced to use
SASL GSSAPI that causes other security issues or requirements to setup
all of these Kerberos trust and ticketing handling that should not be
required, difficult to sustain and place external dependencies on usage
of the DS product in a federated environment as described.

If directory is utilized as something OTHER than repository for people
similar challenges will present themselves when certificates are issued
for devices, roles, and groups.  Examples include but are not limited to
VOIP device address book capabilities such as CISCO VOIP phones or call
managers, Potentially for extending security capability in hosts that
have host based certificates that may require use of the directory for
backend business processes were Certificate trust and regular expression
checks of DN utilized for the TLS session may be sufficient to utilize
for ACI binding rules.

David M. Partridge
Tangible Software Inc.
dpartridge at tangiblesoftware.com

> -----Original Message-----
> From: Rich Megginson [mailto:rmeggins at redhat.com]
> Sent: Thursday, April 09, 2009 11:47 PM
> To: General discussion list for the Fedora Directory server project.
> Subject: Re: [Fedora-directory-users] Proposed new features for 1.3
> 
> David Partridge wrote:
> > Would like to see additional monitoring flexibility for snmp - when
> configuring multiple ds instances with same port on single multihomed
host
> monitoring information is agregated by port in the monitoring not by
> instance and port.
> >
> > Please provide more information on deprecation of certmap.conf.
> We would instead use the SASL mapping functionality to map the
subjectDN
> in the cert to a DN that the DS knows about.  The SASL mapping code is
> much more powerful and flexible than the certmap.conf code.
> *http://tinyurl.com/cqe42v
> *
> > Need flexibility to not rely on dn in cert mapping to anything in
> directory and rely on successful tls mutual authentication and
truststore
> configuration.
> >
> I'm not sure I understand - do you want the ability to do cert auth
> without having to have a real entry in the directory server that
> corresponds to the subjectDN?
> > Script to provide index analysis based on data in  the directory to
> provide the following info:
> > Search performance efficiency of index and index type based on
return
> limits, and scanidslistlimit.
> >
> > Compressed ldif(gzip) capability for export, import, and
initialization
> usage.
> >
> Ok - Thanks - this is all good stuff.
> >
> > Dave Partridge
> > Sent from my Windows Mobile(r) phone.
> >
> > -----Original Message-----
> > From: Rich Megginson <rmeggins at redhat.com>
> > Sent: Thursday, April 09, 2009 7:23 PM
> > To: General discussion list for the Fedora Directory server project.
> <fedora-directory-users at redhat.com>
> > Subject: Re: [Fedora-directory-users] Proposed new features for 1.3
> >
> > Andrey Ivanov wrote:
> >
> >> I continue with my list
> >>
> > Thanks - I've added many of these to the list - questions below.
> >
> >> * the server should be able to return the members of dynamic groups
> >> "on the fly" as if it were real members, the membership attribute
> >> should be configurable - uniqueMember, member or another
> >>
> > I put this on the Future list:
> > Dynamic group expansion
> >
> >     * Define a dynamic group, and have the member/uniqueMember
attribute
> >       of this group automatically be populated by the server
> >     * clients can then just search for member like with a regular
static
> >       posix group
> >
> >
> >
> >> * support of other virtual attributes generated "on the fly"
> >>
> > Can you explain this a little more?
> >
> >> * pam passthrough plug-in should take into account at least the
> >> account activation/desactivation (bug *470684*
> >> <https://bugzilla.redhat.com/show_bug.cgi?id=470684> ). There is a
> >> comment about some additional useful features it in th README file
of
> >> this plug-in :
> >> We need to worry about account expiration or lockout e.g. the
user's
> >> credentials are valid but the user has been locked out of his/her
> >> account, or the password has expired, or something like that. Some
of
> >>
> >>
> >> this can be handled by LDAP e.g. returning password policy control
> >> values when the password has expired.
> >>
> >>
> >> * a way to synchronise the configuration of indexes (each time we
add
> >> an index on one of the replicated servers we need to make it
manually
> >> on all the others) and some other parameters in "cn=config" between
> >> the replicated servers  (a little like the "configuration"
partition
> >> in active directory), the schema changes are already replicated
which
> >> is very good
> >>
> > I'm calling this feature "Configuration replication" - I think it
could
> > be useful for other sorts of configuration.
> >
> >> * enforced attribute syntax validation
> >>
> > Already on the list - Syntax validation checking
> >
> >> * re-verify and validate conformance of the syntaxes, case
sensitivity
> >> and their matching rules to RFC
> >> (https://www.redhat.com/archives/fedora-directory-users/2008-
> July/msg00041.html)
> >>
> >>
> > Already on the list
> >
> >> * unix socket autobind still does not seem to work (ldapi) -
> >> https://www.redhat.com/archives/fedora-directory-users/2009-
> February/msg00112.html.
> >> It could be very useful for various maintenance scripts running on
the
> >> server.
> >>
> > We tested this with 1.2.0 and it seems to work.  You tested a build
from
> > source?  Did you use --enable-autobind with configure?  Did you
restart
> > the server after configuring your autobind and sasl mapping?
> >
> >> * verification of the server from the viewpoint of memory leaks. Th
> >> size of the memory used by the server grows with time (normally we
> >> don't restart the sevrr during several months, so i can follow the
> stats)
> >>
> > We regularly run the server test suite with valgrind enabled.  I'm
not
> > aware of any per connection or per operation leaks.  What exactly
are
> > you seeing?
> >
> >> * logconv.pl - very useful script, add some more options/
adjustments
> >> (for example, a switch to hide unindexed searches in verbose mode).
We
> >> use it as logwatch.
> >>
> >> * a perl script to show the replication statistics (there is one
for
> >> the we page generation statistics, something more basic, text-only
> >> would be very welcome) in text mode - to receiveth reports by mail
> >> once per day like logwatch for example
> >>
> > What sort of information are you looking for?  ldapsearch can
provide
> > most of the useful information.
> >
> >> * regular expressions in ACIs (i know, it is very difficult to do,
so
> >> maybe somewhere in the timescale of the version 10.0 ? :)) - for
> >> example, allow a user to add or modify a value just in case the new
> >> value mathes the regex. Or the group or dn of the user matches the
> >> regex...
> >>
> > You can do some of that currently with targetattrfilters - see
> > *http://tinyurl.com/3yo88r
> >
> > We added support in 1.2.0 to allow you to specify group membership
with
> > LDAP search specifications, which does allow some wildcarding, so
that
> > might help too.
> > *
> >
> >> * simplify the creation of new syntaxes and their validation/
> >> enforcement (version 11.0? :))
> >>
> > Can you elaborate?
> >
> >> * virtual views allowing to map not only the trees but also the
> >> attributes ('cn' instead of 'uid' in a subtree, for example)
> >>
> > Can you elaborate?
> >
> >> * enable regex in certmap.conf for mapping the CNs of the
certificates
> >> during the certificate authentification of users
> >>
> > This is on the list as
> > Get rid of certmap.conf - use SASL mapping (cert auth is really just
> > SASL/EXTERNAL)
> > The sasl mapping code uses regular expressions
> >
> >>
> >>
> >> Other than that i just want to emphasize the great job you are
doing
> >> adding new features and especially the fantastic reactivity in
fixing
> >> some critical server bugs (usually it takes only one or two days to
> >> have the necessary diff in bugzilla!)
> >>
> >> Thank you and please continue the development of this directory
server!
> >>
> > And thank you for your suggestions.
> >
> >>
> >>
> >>
> >>
> >>
> >>         Thanks - I've added these notes to
> >>         http://directory.fedoraproject.org/wiki/Roadmap#Version_1.3
> >>
> >>         Anyone else?  C'mon - surely you have an opinion about a
new
> >>         feature.
> >>
> >>
> >>             Thanks for all your hard work on this!
> >>
> >>
> >>
> >>
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