On Tue, Apr 18, 2017 at 08:52:50PM +0300, Alexander Bokovoy wrote:
> On ti, 18 huhti 2017, Justin Stephenson wrote:
> > Hello,
> > 
> > I was working on a fix for BZ # 1433835(IPA clients fails to retrieve
> > groups with @-sign in the group name in an IPA-AD trust setup) where the
> > patch at the end of this email seems to work well parsing a
> > double-qualified object properly a group name like
> > 'group@testing@domain'
> > 
> > 
> > [ipa_s2n_get_user_done] (0x0400): Received [4] groups in group list from
> > IPA Server
> > [ipa_s2n_get_user_done] (0x0400): [trustuser1@ad.jstephen].
> > [ipa_s2n_get_user_done] (0x0400): [customgroup@testing@ad.jstephen].
> > [ipa_s2n_get_user_done] (0x0400): [trustgroup@ad.jstephen].
> > [ipa_s2n_get_user_done] (0x0400): [domain users@ad.jstephen].
> > 
> > 
> > However, there is a subsequent group lookup extended operation which
> > fails on the IPA server when the NSS responder is unable to parse the
> > double-qualified name.
> > 
> >  - Client
> > 
> > [ipa_s2n_get_list_step] (0x0400): Sending request_type:
> > [REQ_FULL_WITH_MEMBERS] for group [customgroup@testing@ad.jstephen].
> > [ipa_s2n_exop_send] (0x0400): Executing extended operation
> > [ipa_s2n_exop_send] (0x2000): ldap_extended_operation sent, msgid = 14
> > [ipa_s2n_exop_done] (0x0040): ldap_extended_operation result: No such
> > object(32), (null).
> > [ipa_s2n_get_list_next] (0x0040): s2n exop request failed.
> > [ipa_s2n_get_list_done] (0x0040): s2n get_fqlist request failed.
> > 
> > 
> >   - Server
> > 
> > [nss_getby_name] (0x0400): Input name: customgroup@testing
> > [cache_req_set_plugin] (0x2000): CR #16: Setting "Group by name" plugin
> > [cache_req_send] (0x0400): CR #16: New request 'Group by name'
> > [cache_req_process_input] (0x0400): CR #16: Parsing input name
> > [customgroup@testing]
> > [sss_domain_get_state] (0x1000): Domain idm.jstephen is Active
> > [sss_domain_get_state] (0x1000): Domain AD.JSTEPHEN is Active
> > [sss_parse_inp_send] (0x0200): Requesting info for [(null)] from [testing]
> > [sss_domain_get_state] (0x1000): Domain AD.JSTEPHEN is Active
> > [sss_dp_get_domains_send] (0x0400): Last call was too recent, nothing to do!
> > [sss_domain_get_state] (0x1000): Domain idm.jstephen is Active
> > [sss_domain_get_state] (0x1000): Domain AD.JSTEPHEN is Active
> > [sss_parse_inp_done] (0x0040): Unknown domain in [customgroup@testing]
> > [nss_protocol_done] (0x4000): Sending reply: error [1432158243]: Domain
> > not found
> > 
> > 
> > I suspect the input to the NSS responder received here is output from
> > the extdom plugin parsing the domain and object name.
> > 
> > I was looking for some advice on the best way to fix this, or if my
> > patch is doing things horribly wrong then just let me know please :)
> I think we fixed server side (FreeIPA) part with Sumit in 
> https://github.com/freeipa/freeipa/commit/ee455f163d756a6b71db8e999365139cad46c6ad
> 
> If you want to handle it on the client side, make sure to use strrchr()
> to search '@' from end of the string. This way you can handle multiple
> '@' in a string as only the last one will be a real separator.

We use regexes instead for parsing input.

I didn't know the IPA part is fixed though, thanks. Then just by
modifying the regex, the clients should work (as long as the servers are
ficxed with the commit you linked)
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