[tor-bugs] #25928 [Core Tor/Tor]: Single DA in sandbox vs. PDS_ALLOW_SELF flag

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#25928: Single DA in sandbox vs. PDS_ALLOW_SELF flag
---------------------------------------+-----------------------------------
 Reporter:  somlo                      |          Owner:  (none)
     Type:  defect                     |         Status:  needs_revision
 Priority:  Medium                     |      Milestone:  Tor:
                                       |  0.3.5.x-final
Component:  Core Tor/Tor               |        Version:
 Severity:  Normal                     |     Resolution:
 Keywords:  tor-dirauth, test-network  |  Actual Points:
Parent ID:                             |         Points:
 Reviewer:  teor                       |        Sponsor:
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Changes (by teor):

 * status:  needs_review => needs_revision
 * reviewer:   => teor


Comment:

 Thanks for the patch, but the condition activates PDS_ALLOW_SELF on *any*
 relay or client with a single configured DirAuth.

 We only want to activate PDS_ALLOW_SELF if *this* relay is the single
 dirauth:

 Replying to [comment:5 teor]:
 > Here's what we need to do to make it complete:
 > * add a condition to the if statement: "this relay must be the only
 configured directory authority"
 > …
 > I think you'll want to compare the relay fingerprint field from
 router_get_my_routerinfo(), to the relay fingerprint in the only entry in
 the list.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25928#comment:10>
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