[Bug 1179781] Re: If-Modfied-Since undhandled case causes apt lists corruption with https repositories

[Dave Chiluk]

@slangasek

Verification for curl can not really be completed, until the updated apt
gets pushed.  That's because the issue that exists in curl only gets
exacerbated when using the updated apt.

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https://bugs.launchpad.net/bugs/1179781

Title:
  If-Modfied-Since undhandled case causes apt lists corruption with
  https repositories

Status in “apt” package in Ubuntu:
  Fix Released
Status in “curl” package in Ubuntu:
  Fix Released
Status in “apt” source package in Precise:
  Triaged
Status in “curl” source package in Precise:
  Fix Committed
Status in “apt” source package in Quantal:
  Triaged
Status in “curl” source package in Quantal:
  Fix Committed
Status in “apt” source package in Raring:
  Triaged
Status in “curl” source package in Raring:
  Fix Committed
Status in “apt” package in Debian:
  Fix Released
Status in “curl” package in Debian:
  Fix Released

Bug description:
  [Impact]

  Users of apt repositories that use https will occasionally recieve an
  error message and not be able to update properly:

  W: Size of file /var/lib/apt/lists/partial/archive.example
  .com_dists_precise_main_binary-amd64_Packages is not what the server
  reported 0 25118

  This should be backported to Ubuntu precise because some companies may
  be delivering their internal apt repositories over SSL for security.

  [Test Case]

  Install apt-transport-https and setup an apt repository delivered over
  https. Do some updates and eventually the above error will happen.

  [Regression Potential]

  I've patched the Ubuntu precise version of apt and found no issues.
  Curl - Exceedingly minimal as a variable needed to be reset to zero on structure re-use.Apt - Possible regression if curl is not updated as well, as this adds a dependency on curl's CURLINFO_CONDITION_UNMET which is currently broken in 0.8.16~exp12ubuntu10.12.

  [Other Info]

  APT
  * fix needs to be applied in Precise, quantal and raring
  * Apt fix is already in Saucy since at least version 0.9.9.1~ubuntu1

  Curl
  * fix needs to be applied in Precise, quantal and raring
  * fix is in saucy as of version 7.31.0-1ubuntu1

  This was reported to Debian first and is fixed in Debian unstable:

  http://bugs.debian.org/705648

  The maintainers of apt in Ubuntu have not yet synced this to saucy.

  Fixes for both ubuntu/apt and ubuntu/curl need to be included for this
  to be properly fixed.

  --
  bye,
  pabs

  http://wiki.debian.org/PaulWise

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