I just pushed KNOX-1394 for changing the default whitelist to align with
the DEMO LDAP config in gateway-site.xml.
This will realign with the dev and demo environment assumptions that Knox
has always had OOTB.

I will cut an RC shortly.


On Fri, Jul 20, 2018 at 12:40 AM, larry mccay <[email protected]> wrote:

> Yes, along with ERROR level logging when falling back to specific host/ip
> or localhost variants.
>
> On Thu, Jul 19, 2018, 11:48 PM Philip Zampino <[email protected]> wrote:
>
>> Sure, but I'm also going to implement the following for the default
>> behavior (when the DEFAULT value is specified for the whitelist property):
>>
>>
>>    1. Attempt to determine the domain from the X-Forwarded-Host header
>> value
>>    2. If domain could not be determined, attempt to determine the domain
>>    from the InetAddress.getLocalHost().getCanonicalHostName() value
>>    3. If domain could not be determined, attempt to determine the domain
>>    from the requested host name
>>    4. If the domain could be determined from any of these sources, then
>> the
>>    default whitelist will be based on that domain
>>    5. If the domain cannot be determined
>>    a. If the requested host name is NOT a variant of localhost, then the
>>    whitelist will be restricted to that specific host name
>>    b. Otherwise, the localhost whitelist will be the default
>>
>> Does that sound like a good strategy?
>>
>>
>> On Thu, Jul 19, 2018 at 8:15 PM larry mccay <[email protected]> wrote:
>>
>> > Yes, does that sound appropriate to you?
>> > If the LDAP config in gateway-site.xml gets updated to product the
>> > whitelist would be in the same place.
>> >
>> > On Thu, Jul 19, 2018 at 6:26 PM, Philip Zampino <[email protected]>
>> > wrote:
>> >
>> > > I am working on a solution for the ip address being treated as a
>> hostname
>> > > issue.
>> > >
>> > > On Thu, Jul 19, 2018 at 6:24 PM larry mccay <[email protected]>
>> wrote:
>> > >
>> > > > Playing around a bit more, I noticed that there is nondeterministic
>> > > > behavior of the default whitelist feature.
>> > > > Especially on macs - since the hostname ends up being any number of
>> > > things.
>> > > > I have noticed the following things when there is no explicit
>> whitelist
>> > > > configured:
>> > > >
>> > > > * ip address based whitelist being derived which is treated like a
>> > domain
>> > > > * localhost is not supported out of the box unless the logic is
>> unable
>> > to
>> > > > determine a domain
>> > > > * sometimes my host is HW14155.home and sometimes it is
>> new-host-5.home
>> > > for
>> > > > some reason
>> > > >
>> > > > Given that all of our samples and docs assume localhost and OOTB we
>> are
>> > > > setup for DEMO LDAP server, I propose that we at least add localhost
>> > back
>> > > > for OOTB.
>> > > > Ip address handling may be worth tackling as well but only if we
>> can do
>> > > it
>> > > > in a day.
>> > > >
>> > > > Thoughts?
>> > > >
>> > > >
>> > > > On Thu, Jul 19, 2018 at 6:12 PM, larry mccay <[email protected]>
>> > wrote:
>> > > >
>> > > > > Awesome - just checked it out and I will kick off a new build
>> > shortly!
>> > > > >
>> > > > > On Thu, Jul 19, 2018 at 6:01 PM, Sandeep Moré <
>> [email protected]
>> > >
>> > > > > wrote:
>> > > > >
>> > > > >> Hello Larry,
>> > > > >>
>> > > > >> I committed the fix to master and v1.1.0, it is under the JIRA
>> > > KNOX-1391
>> > > > >> <https://issues.apache.org/jira/browse/KNOX-1391>.
>> > > > >> we should be good to to cut the RC, provided there are no more
>> > issues
>> > > !
>> > > > >>
>> > > > >> Thanks !
>> > > > >> Sandeep
>> > > > >>
>> > > > >> On Thu, Jul 19, 2018 at 4:25 PM larry mccay <
>> [email protected]>
>> > > > >> wrote:
>> > > > >>
>> > > > >> > Awesome, @sandeep!
>> > > > >> > I'll keep an eye out.
>> > > > >> >
>> > > > >> > Once that lands, you can bump this thread and I'll cut the RC.
>> > > > >> > Obviously, we will need it in both master and v1.1.0 branches.
>> > > > >> >
>> > > > >> > On Thu, Jul 19, 2018 at 4:19 PM, Sandeep Moré <
>> > > [email protected]>
>> > > > >> > wrote:
>> > > > >> >
>> > > > >> > > Hello Larry,
>> > > > >> > >
>> > > > >> > > Yes, I have seen those exceptions, they seem to be happening
>> > > fairly
>> > > > >> > > consistently and only for KnoxSSO redirects when trying to
>> > access
>> > > > >> admin
>> > > > >> > UI,
>> > > > >> > > I am taking a look at them as we speak, will open up a JIRA
>> for
>> > it
>> > > > as
>> > > > >> > well.
>> > > > >> > > It would be good if we can get it in, I will try to get the
>> fix
>> > > out
>> > > > as
>> > > > >> > soon
>> > > > >> > > as I can.
>> > > > >> > >
>> > > > >> > > Best,
>> > > > >> > > Sandeep
>> > > > >> > >
>> > > > >> > > On Thu, Jul 19, 2018 at 4:15 PM larry mccay <
>> [email protected]>
>> > > > >> wrote:
>> > > > >> > >
>> > > > >> > > > @Phil, I see a couple commits land that seem to address the
>> > NPE.
>> > > > >> > > > Is that correct?
>> > > > >> > > >
>> > > > >> > > > I have also seen an IllegalStateException during redirect
>> from
>> > > > >> Admin UI
>> > > > >> > > to
>> > > > >> > > > KnoxSSO.
>> > > > >> > > > Has anyone seen this and/or is working on it - is it
>> related
>> > to
>> > > > the
>> > > > >> > NPE?
>> > > > >> > > > I don't think it is since I see it more frequently and not
>> > > always
>> > > > >> with
>> > > > >> > > the
>> > > > >> > > > NPEs.
>> > > > >> > > >
>> > > > >> > > > I'd like to get a new RC cut by end of the week, if
>> possible.
>> > > > >> > > >
>> > > > >> > > > On Fri, Jul 13, 2018 at 7:57 PM, larry mccay <
>> > [email protected]
>> > > >
>> > > > >> > wrote:
>> > > > >> > > >
>> > > > >> > > > > Agreed, Phil.
>> > > > >> > > > > I have cut an RC but we need to address this first.  I'll
>> > hold
>> > > > >> off on
>> > > > >> > > > > announcing it.
>> > > > >> > > > >
>> > > > >> > > > > On Fri, Jul 13, 2018, 11:36 AM Phil Zampino <
>> > > > [email protected]>
>> > > > >> > > wrote:
>> > > > >> > > > >
>> > > > >> > > > >> During some testing of the proposed 1.1.0 code, I've
>> > > discovered
>> > > > >> some
>> > > > >> > > > NPEs
>> > > > >> > > > >> in filters (e.g., AclsAuthorizationFilter,
>> > > > >> > HadoopGroupProviderFilter),
>> > > > >> > > > >> which are concerning.
>> > > > >> > > > >>
>> > > > >> > > > >> I've committed a change to address the
>> > > AclsAuthorizationFilter,
>> > > > >> but
>> > > > >> > > > seeing
>> > > > >> > > > >> similar behavior for the HadoopGroupProviderFilter has
>> > > > increased
>> > > > >> my
>> > > > >> > > > >> concern
>> > > > >> > > > >> that there may be a more fundamental problem.
>> > > > >> > > > >> In both cases, it seems that the filters are being
>> invoked
>> > > > prior
>> > > > >> to
>> > > > >> > > (or
>> > > > >> > > > >> during) their respective init() methods have been
>> invoked.
>> > > > Thus,
>> > > > >> > > members
>> > > > >> > > > >> which should be initialized in the init() method are not
>> > yet
>> > > > >> > > > initialized.
>> > > > >> > > > >>
>> > > > >> > > > >> This can be consistently reproduced, though it is a bit
>> of
>> > a
>> > > > >> pain:
>> > > > >> > > > >>
>> > > > >> > > > >>    - Install Knox (‘ant install-test-home’, or just
>> unzip
>> > > > >> > > > knox-1.1.0.zip)
>> > > > >> > > > >>    - Start the gateway
>> > > > >> > > > >>    - Access the Admin UI
>> > > > >> > > > >>
>> > > > >> > > > >>
>> > > > >> > > > >> Note that the latest 1.1.0 source has a *fix* for the
>> > > > >> > > > >> AclsAuthorizationFilter NPE, but master does not yet
>> have
>> > > this
>> > > > >> > change.
>> > > > >> > > > >> This
>> > > > >> > > > >> is important because that change effectively hides the
>> > issue.
>> > > > >> > > > >>
>> > > > >> > > > >> I think we should determine what's happening with this
>> > before
>> > > > >> > > > >> producing/testing a release candidate.
>> > > > >> > > > >>
>> > > > >> > > > >>
>> > > > >> > > > >>
>> > > > >> > > > >>
>> > > > >> > > > >> On Sat, Feb 24, 2018 at 12:57 PM larry mccay <
>> > > > [email protected]>
>> > > > >> > > wrote:
>> > > > >> > > > >>
>> > > > >> > > > >> > All -
>> > > > >> > > > >> >
>> > > > >> > > > >> > Sorry for the delay on this topic.
>> > > > >> > > > >> >
>> > > > >> > > > >> > We are going to start of this planning thread with ~85
>> > > > >> Unresolved
>> > > > >> > > > JIRAs
>> > > > >> > > > >> in
>> > > > >> > > > >> > either 1.1.0 or 0.15.0 fixVersion.
>> > > > >> > > > >> >
>> > > > >> > > > >> > project = KNOX AND resolution = Unresolved AND
>> fixVersion
>> > > in
>> > > > >> > (1.1.0,
>> > > > >> > > > >> > 0.15.0) ORDER BY  priority DESC, updated DESC
>> > > > >> > > > >> >
>> > > > >> > > > >> > I will spend some time migrating all 0.15.0 to 1.1.0
>> to
>> > > begin
>> > > > >> with
>> > > > >> > > and
>> > > > >> > > > >> then
>> > > > >> > > > >> > we will need to go through and see what is already
>> taken
>> > > care
>> > > > >> of
>> > > > >> > or
>> > > > >> > > > can
>> > > > >> > > > >> > wait for a 1.2.0 or later.
>> > > > >> > > > >> >
>> > > > >> > > > >> > I also have a couple KIPs in mind to target larger
>> > > > >> features/themes
>> > > > >> > > for
>> > > > >> > > > >> this
>> > > > >> > > > >> > release.
>> > > > >> > > > >> >
>> > > > >> > > > >> > Off the top of my head:
>> > > > >> > > > >> >
>> > > > >> > > > >> > * I think we need to address some cloud specific
>> usecases
>> > > and
>> > > > >> plan
>> > > > >> > > to
>> > > > >> > > > >> > provide a KIP for that. Hybrid cloud/federated knox
>> > > > instances,
>> > > > >> > Azure
>> > > > >> > > > AD
>> > > > >> > > > >> > integration, ID mapping from Hadoop user to IAM
>> > > users/roles,
>> > > > >> etc.
>> > > > >> > > > >> Perhaps
>> > > > >> > > > >> > some CASB-like features if they make sense.
>> > > > >> > > > >> >
>> > > > >> > > > >> > * I also think we need one for articulating a
>> reasonable
>> > > flow
>> > > > >> for
>> > > > >> > > > >> Logout in
>> > > > >> > > > >> > KnoxSSO. There are a lot of little nuances to logout
>> > across
>> > > > >> > multiple
>> > > > >> > > > >> apps
>> > > > >> > > > >> > and between different IDPs. This will require some
>> > > > discussion.
>> > > > >> > > > >> >
>> > > > >> > > > >> > * Another thing that has been tugging at my interest
>> has
>> > > been
>> > > > >> the
>> > > > >> > > fact
>> > > > >> > > > >> that
>> > > > >> > > > >> > we may be able provide some common libraries to help
>> > > > ecosystem
>> > > > >> > > > >> applications
>> > > > >> > > > >> > uptake the trusted proxy pattern and KnoxSSO.
>> > > > >> > > > >> >
>> > > > >> > > > >> > Anyway, these are my initial thoughts, please feel
>> free
>> > to
>> > > > >> raise
>> > > > >> > > > >> additional
>> > > > >> > > > >> > ideas/themes for KIPs, etc.
>> > > > >> > > > >> >
>> > > > >> > > > >> > I was thinking that we could try and target an end of
>> > March
>> > > > or
>> > > > >> Mid
>> > > > >> > > > April
>> > > > >> > > > >> > 1.1.0 release.
>> > > > >> > > > >> >
>> > > > >> > > > >> > Thoughts?
>> > > > >> > > > >> >
>> > > > >> > > > >> > --larry
>> > > > >> > > > >> >
>> > > > >> > > > >>
>> > > > >> > > > >
>> > > > >> > > >
>> > > > >> > >
>> > > > >> >
>> > > > >>
>> > > > >
>> > > > >
>> > > >
>> > >
>> >
>>
>

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