[Bug 1052488] [NEW] "Release" files being overwritten on hotel etc networks

[David Henningsson]

Public bug reported:

I'm quite sure I'm not alone on seeing this, so this might be a
duplicate of another bug. Nonetheless, it's quite annoying.

Sometimes when I travel with my laptop, files such as
/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_precise_Release
become overwritten with data from the "hotel network". See attached file
for what it currently looks like.

This results in apt-get update getting the following error message:

W: GPG error: http://archive.canonical.com precise Release: The
following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu
Archive Automatic Signing Key <ftpmaster at ubuntu.com>

The workaround is to remove the offending _Release files.

So 1) why are these "Release" files just saved without any sanity
checking, and 2) if they are, why isn't the correct file overwriting the
wrong one now that I'm home again and on a sane network?

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: apt 0.8.16~exp12ubuntu10.2
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic x86_64
ApportVersion: 2.0.1-0ubuntu12
Architecture: amd64
Date: Tue Sep 18 15:15:57 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120103)
SourcePackage: apt
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: apt (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise running-unity

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https://bugs.launchpad.net/bugs/1052488

Title:
  "Release" files being overwritten on hotel etc networks

Status in “apt” package in Ubuntu:
  New

Bug description:
  I'm quite sure I'm not alone on seeing this, so this might be a
  duplicate of another bug. Nonetheless, it's quite annoying.

  Sometimes when I travel with my laptop, files such as
  /var/lib/apt/lists/archive.canonical.com_ubuntu_dists_precise_Release
  become overwritten with data from the "hotel network". See attached
  file for what it currently looks like.

  This results in apt-get update getting the following error message:

  W: GPG error: http://archive.canonical.com precise Release: The
  following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu
  Archive Automatic Signing Key <ftpmaster at ubuntu.com>

  The workaround is to remove the offending _Release files.

  So 1) why are these "Release" files just saved without any sanity
  checking, and 2) if they are, why isn't the correct file overwriting
  the wrong one now that I'm home again and on a sane network?

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: apt 0.8.16~exp12ubuntu10.2
  ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
  Uname: Linux 3.2.0-29-generic x86_64
  ApportVersion: 2.0.1-0ubuntu12
  Architecture: amd64
  Date: Tue Sep 18 15:15:57 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120103)
  SourcePackage: apt
  UpgradeStatus: No upgrade log present (probably fresh install)

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