BIND 10 #1387: timeout on xfrout when sock path too long

[BIND 10 Development]

#1387: timeout on xfrout when sock path too long
-------------------------------------+-------------------------------------
                   Reporter:  jelte  |                 Owner:  jinmei
                       Type:         |                Status:  accepted
  defect                             |             Milestone:
                   Priority:  major  |  Sprint-20111206
                  Component:         |            Resolution:
  Unclassified                       |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  5
Feature Depending on Ticket:  none   |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jinmei):

 trac1387 is ready for review.

 I believe the diff (quite short) tells everything.   One note: I
 suspect what actually happened was that b10-auth was (relatively
 gracefully) shut down due to the propagated exception, not just the
 AXFR request was timed out.  This would also mean it could be a
 potential security problem (with a bad local configuration, a remote
 attacker could force auth to shut down), but considering the overall
 current maturity of BIND 10 and the fact that it happens only with a
 bad local config, I think it's okay to treat it as a normal bug.

 I added specific test cases for this problem.  Although this stuff
 should have had more tests, adding some specific tests would be better
 than (still) nothing.

 Proposed changelog entry:
 {{{
 338.?   [bug]           jinmei
         libxfr, used by b10-auth to share TCP sockets with b10-xfrout,
         incorrectly propagated ASIO specific exceptions to the application
         if the given file name was too long.  This could lead to
         unexpected shut down of b10-auth.
         (Trac #1387, git TBD)
 }}}

-- 
Ticket URL: <http://bind10.isc.org/ticket/1387#comment:6>
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