[tbb-bugs] #19348 [Applications/Tor Browser]: Windows %BUILD_TARGET% changed in Tor Browser 6.0

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jun 8 14:21:46 UTC 2016


#19348: Windows %BUILD_TARGET% changed in Tor Browser 6.0
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 Reporter:  boklm                     |          Owner:  boklm
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-6.0-issues            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by mcs):

 Kathy and I should have noticed this when we tested the 6.x updater, but
 the .htaccess file on our test server uses patterns like `^WINNT_x86
 -.*/[^/]+/en-US`, so we just got lucky that our tests worked (and unlucky
 that we did not notice the -x64 part).

 After some detective work we found the culprit:
  https://hg.mozilla.org/mozilla-central/rev/2a1163cd7736
 Mozilla added the -64 to allow them to update people from 32-bit Firefox
 to 64-bit Firefox (although as far as I know they have not done that yet).

 I think someone with an old CPU might generate requests that include
 WINNT_x86-gcc3-x86, so we should allow for that too.

 Do we already leak the processor architecture? If the answer is "yes" we
 may want to just keep this as-is. If not, we should patch the ABI getter
 inside toolkit/modules/UpdateUtils.jsm (where the code now lives) to omit
 the gWinCPUArch part.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19348#comment:2>
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