BIND 10 #3309: Unable to define a value for DHCPv6 option 59 (and some other standard options)

[BIND 10 Development]

#3309: Unable to define a value for DHCPv6 option 59 (and some other standard
options)
-------------------------------------+-------------------------------------
            Reporter:  marcin        |                        Owner:
                Type:  defect        |  UnAssigned
            Priority:  medium        |                       Status:
           Component:  libdhcp       |  reviewing
            Keywords:                |                    Milestone:  DHCP-
           Sensitive:  0             |  Kea0.9-alpha
         Sub-Project:  DHCP          |                   Resolution:
Estimated Difficulty:  0             |                 CVSS Scoring:
         Total Hours:  5.5           |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  1
                                     |                    Internal?:  0
-------------------------------------+-------------------------------------
Changes (by marcin):

 * owner:  marcin => UnAssigned
 * status:  assigned => reviewing
 * totalhours:  4.5 => 5.5


Comment:

 The code now allows to create definitions for standard options for which
 Kea doesn't provide a definition. Also added a paragraph to bind10-guide
 with the note that it is not allowed to create custom definitions for
 standard options, except for those for which we haven't implemented
 support yet.

 Apart from adding a unit test that checks the new rules for creating
 definitions for std options, I also performed some manual tests to check
 that I can create a definition for selected std options using bindctl, and
 it seemed to work.

 Proposed !ChangeLog:
 {{{
 XXX.    [bug]           marcin
         libdhcpsrv: server configuration mechanism allows creating
 definitions
         for standard options for which Kea doesn't provide a definition
 yet.
         Without this, the server administrator couldn't configure options
 for
         which a definition didn't exist.
         (Trac# 3309, git abcd)

 }}}

 Please review.

-- 
Ticket URL: <http://bind10.isc.org/ticket/3309#comment:6>
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