Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  High |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by gk):

 FWIW: Firefox has an own mechanism to detect clock skew because of
 certificate invalidation concerns, see:
 https://bugzilla.mozilla.org/show_bug.cgi?id=1339329. It might be not
 fine-grained enough for our purposes but I figured I should mention it at
 least for completeness sake.

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  High |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by dmr):

 * cc: dmr (added)


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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  High |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by mcs):

 * priority:  Medium => High


Comment:

 Increased priority to "High" due to user impact.

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by catalyst):

 * cc: catalyst (added)


Comment:

 I think "capture early logs before Tor Launcher connects to control port"
 isn't as important as somehow reporting the clock skew in a way Tor
 Launcher can easily detect as a serious error.

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by teor):

 Replying to [comment:19 arma]:
 > In the user support mails, they are sending us the output of "copy logs
 to clipboard". Those logs come from events, right?
 >
 > I think for many of the users, Tor is stuck in a loop where it tries to
 fetch a directory object, gets upset about its clock and aborts that try,
 and then does it again a little while later. So even if Tor Launcher
 misses the first few iterations of that loop, there are plenty more
 iterations after that.

 About 7 tries in the first 30 seconds, and then it gives up for a while.

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by arma):

 In the user support mails, they are sending us the output of "copy logs to
 clipboard". Those logs come from events, right?

 I think for many of the users, Tor is stuck in a loop where it tries to
 fetch a directory object, gets upset about its clock and aborts that try,
 and then does it again a little while later. So even if Tor Launcher
 misses the first few iterations of that loop, there are plenty more
 iterations after that.

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by gk):

 * cc: gk (added)


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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by mcs):

 Replying to [comment:16 arma]:
 > I would say this is the #1 usability problem in terms of user support
 mails that arrive to execdir@.

 I guess that is not too surprising.
 Kathy and I looked at adding support for CLOCK_SKEW events a couple of
 months ago but then got interrupted with other work. But if I remember
 correctly, we found that Tor Launcher misses the CLOCK_SKEW event that
 happens early during tor startup for the same reason Tor Launcher misses
 other things: it is not connected to the control port yet. That means our
 best hope at the moment for fixing this problem is #21542 (which would
 allow Tor Launcher to capture log messages via stderr).

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by arma):

 I would say this is the #1 usability problem in terms of user support
 mails that arrive to execdir@.

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by mcs):

 For reference, here is the Vidalia code that handles CLOCK_SKEW events
 (the user-visible messages used are worth looking at if nothing else):

 TorEvents::handleGeneralStatusEvent():
 
https://gitweb.torproject.org/vidalia.git/tree/src/torcontrol/TorEvents.cpp#n319

 StatusEventWidget::clockSkewed():
 
https://gitweb.torproject.org/vidalia.git/tree/src/vidalia/log/StatusEventWidget.cpp#n355

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by mcs):

 During the weekly Tor Browser dev meeting on IRC today, it was suggested
 that Tor Launcher might be able to detect clock skew by listening for
 CLOCK_SKEW events.

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by arthuredelstein):

 * cc: arthuredelstein (added)


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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by fem):

 * severity:  Blocker => Normal


Comment:

 related: #3652

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Re: [tor-bugs] #9675 [Applications/Tor Launcher]: Provide feedback mechanism for clock-skew and other bad problems

[Tor Bug Tracker & Wiki]

#9675: Provide feedback mechanism for clock-skew and other bad problems
-+-
 Reporter:  lunar|  Owner:  brade
 Type:  defect   | Status:
 |  assigned
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Launcher|Version:
 Severity:  Blocker  | Resolution:
 Keywords:  tbb-3.0, extdev-interview, tbb-  |  Actual Points:
  helpdesk-frequent, tbb-usability,  |
  AffectsTails   |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by cypherpunks):

 * keywords:  tbb-3.0, extdev-interview, tbb-helpdesk-frequent, tbb-
 usability =>
 tbb-3.0, extdev-interview, tbb-helpdesk-frequent, tbb-usability,
 AffectsTails
 * severity:   => Blocker


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