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Re: [tor-bugs] #17739 [Tor]: Refactor clock skew warning code to avoid duplication



#17739: Refactor clock skew warning code to avoid duplication
---------------------------------------------+-----------------------------
 Reporter:  teor                             |          Owner:
     Type:  enhancement                      |         Status:
 Priority:  Medium                           |  needs_revision
Component:  Tor                              |      Milestone:  Tor:
 Severity:  Normal                           |  0.2.8.x-final
 Keywords:  easy refactor TorCoreTeam201512  |        Version:  Tor:
Parent ID:  #9675                            |  unspecified
  Sponsor:                                   |     Resolution:
                                             |  Actual Points:
                                             |         Points:
---------------------------------------------+-----------------------------
Changes (by teor):

 * status:  needs_review => needs_revision


Comment:

 Replying to [comment:7 arlolra]:
 > > Can you update the patch so it calls clock_skew_warning from
 or_state_load?
 >
 > The only shared part is the string, `"Tor requires an accurate clock to
 work: please check your time, timezone, and date settings."` If you want,
 we can put somewhere and interpolate it in both places. Otherwise, how
 would you suggest I update the patch?

 However we detect clock skew, we want to take the same actions. At the
 moment, that's:
 * warn the user
 * send the controller a clock skew event

 In or_state_load can you do something like:
 {{{
 clock_skew_warning(NULL, apparent_skew, 1, LD_GENERAL, "local state file",
 state_file_path);
 }}}

 This would make the logic in clock_skew_warning slightly more complex -
 please check that conn is not NULL before printing conn->address and
 conn->port.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17739#comment:8>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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