BIND 10 #2427: support $ORIGIN in dns::MasterLoader

[BIND 10 Development]

#2427: support $ORIGIN in dns::MasterLoader
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            Reporter:  jinmei        |                        Owner:
                Type:  task          |  vorner
            Priority:  medium        |                       Status:
           Component:  libdns++      |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20121218
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  3             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |  loadzone-ng
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Comment (by jinmei):

 Replying to [comment:14 vorner]:

 One more point first, before answering other discussion points:

 > > - doInclude and doOrigin: it seems implementation-dependent whether to
 > >   allow relative name for $ORIGIN; BIND 9 allows it, NSD doesn't, and
 > >   AFAICS RFC is silent (check yourself).  If it's
 > >   implementation-dependent we should be compatible with BIND 9, so the
 > >   code is okay, but I'd leave a comment about it.
 >
 > The conclusion in the mailing list seems to be to allow it. It was
 unclear,
 > though, if to warn in that case or not. What do you think?

 I think warning about it is a good idea.  I actually don't know much
 about variations of deployment practices, but in my gut feeling it's
 quite likely to be a typo if $ORIGIN is missing a trailing period.

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Ticket URL: <https://bind10.isc.org/ticket/2427#comment:17>
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