[Pki-devel] [PATCH] 159, 160 - allow for automated generation of shared secrets for TKS/TPS connectors

[Ade Lee]

Based on revire comments and ack from Endi and Jack, I will push 159,
160 and 161.

Attaching 162 to add a modify option and add ability for a tks admin to
remove a connector.

Please review.

Thanks, Ade

On Fri, 2013-09-27 at 14:36 -0400, Ade Lee wrote:
> OK - I added a new patch to address the comments below and do some
> cleanup.
> 
> Please apply on top of the 159 and 160.
> 
> Ade
> 
> On Thu, 2013-09-26 at 21:04 -0500, Endi Sukma Dewata wrote:
> > On 9/26/2013 11:12 AM, Ade Lee wrote:
> > > Patch 159:
> > >
> > >   Add service to generate and retrieve a shared secret
> > >
> > >      A new REST service has been added to the TKS to manage shared secrets.
> > >      The shared secret is tied to the TKS-TPS connector, and is created at the
> > >      end of the TPS configuration.  At this point, the TPS contacts the TKS and
> > >      requests that the shared secret be generated.  The secret is returned to the
> > >      TPS, wrapped using the subsystem certificate of the TPS.
> > >
> > >      The TPS should then decrypt the shared secret and store it in its certificate
> > >      database.  This operations requires JSS changes, though, and so will be deferred
> > >      to a later patch.  For now, though, if the TPS and TKS share the same certdb, then
> > >      it is sufficient to generate the shared secret.
> > >
> > >      Clients and CLI are also provided.  The CLI in particular is used to remove the
> > >      TPSConnector entries and the shared secret when the TPS is pkidestroyed.
> > 
> > In addition to the things that were discussed over IRC earlier I have 
> > some comments:
> > 
> > 1. The createConnector() probably should return HTTP 201 since it's 
> > creating a new entry. This would be consistent with other resources.
> > 
> > 2. The capitalization of "connector" in the help message is not consistent:
> > 
> >    tks-tpsconnector        TPS Connector management commands
> >    tks-tpsconnector-add    Add TPS Connector to TKS
> >    tks-tpsconnector-find   Find TPS connector details on TKS
> >    tks-tpsconnector-del    Remove TPS connector from TKS
> > 
> > 3. The tks-tpsconnector-find output should have a header and footer like 
> > other *-find commands:
> > 
> >    ----------------------
> >    1 connector(s) matched
> >    ----------------------
> >      Connector ID: 0
> >      Host: server.example.com
> >      Port: 8443
> >      User ID: TPS-server.example.com-8443
> >      Nickname: TPS-server.example.com-8443 sharedSecret
> >    ----------------------------
> >    Number of entries returned 1
> >    ----------------------------
> > 
> > 4. Currently the access to the connector is limited to the subsystem 
> > user, which doesn't correspond to a real person. It should allow the TKS 
> > administrator to add/delete the connectors. This can be done by checking 
> > the principal.getRoles() in validateUser().
> > 
> > 5. The tks-tpsconnector-add/del parameters right now are passed as 
> > arguments. It probably should be passed using options because it may 
> > change in the future:
> > 
> >    tks-tpsconnector-add --host <host> --port <port>
> >    tks-tpsconnector-del --connector-id <connector ID>
> > 
> > 6. We discussed about changing the error code for non-existent entries 
> > to 204 (https://fedorahosted.org/pki/ticket/746). However, now I think 
> > 404 actually makes more sense. See 
> > http://stackoverflow.com/questions/11746894/what-is-the-proper-rest-response-code-for-a-valid-request-but-an-empty-data. 
> > Both of the following URL's should return the same error code because 
> > the client shouldn't need to know which path is mapped to REST method:
> > * /rest/users/wronguser
> > * /rest/wrongpath
> > 
> > So methods like deleteConnector(), deleteSharedSecret(), etc. should 
> > throw ResourceNotFoundException instead of returning silently if the 
> > entry doesn't exist.
> > 
> > I'll continue the review tomorrow.
> > 
> 
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