BIND 10 #1244: NSEC support in isc::auth::Query

[BIND 10 Development]

#1244: NSEC support in isc::auth::Query
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            Reporter:  vorner        |                        Owner:
                Type:  task          |                       Status:  new
            Priority:  major         |                    Milestone:
           Component:  b10-auth      |  Sprint-20110927
           Sensitive:  0             |                     Keywords:
         Sub-Project:  DNS           |              Defect Severity:  N/A
Estimated Difficulty:  0             |  Feature Depending on Ticket:
         Total Hours:  0             |  Datasrc refactoring
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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 This is continuation of #1177. The code in #1177 hopefully implements the
 needed support from database backends. But the query needs to take the
 NSEC data and put them into answer. Also, it needs to accomodate the new
 result statuses (WILDCARD, WILDCARD_NXRRSET) and find additional NSEC
 records if more than one is needed.

 It should also consider the case when the backend doesn't support DNSSEC
 and throws from findPreviousName.

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Ticket URL: <http://bind10.isc.org/ticket/1244>
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BIND 10 Development