attach_conffiles does not work for unreadable files

[Marc Deslauriers]

Apport hook crashes because of lack of appropriate privileges:

mdeslaur@sec-precise-amd64:~$ ubuntu-bug ca-certificates-java
ERROR: hook /usr/share/apport/general-hooks/ubuntu.py crashed:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/apport/report.py", line 718, in add_hooks_info
    symb['add_info'](self, ui)
  File "/usr/share/apport/general-hooks/ubuntu.py", line 73, in add_info
    attach_conffiles(report, package, ui=ui)
  File "/usr/lib/python2.7/dist-packages/apport/hookutils.py", line 107, in attach_conffiles
    modified = packaging.get_modified_conffiles(package)
  File "/usr/lib/python2.7/dist-packages/apport/packaging_impl.py", line 242, in get_modified_conffiles
    with open(path, 'rb') as fd:
IOError: [Errno 13] Permission denied: u'/etc/default/cacerts'

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ca-certificates-java 20110912ubuntu4
ProcVersionSignature: User Name 3.2.0-20.32-generic 3.2.12
Uname: Linux 3.2.0-20-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Thu Mar 22 13:40:51 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120220)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ca-certificates-java
UpgradeStatus: No upgrade log present (probably fresh install)

[Brian Murray (brian-murray)]

It looks like apport no longer crashes (on saucy) but the conffile is not included.

== modified.conffile..etc.default.cacerts =================================
[inaccessible: [Errno 13] Permission denied: '/etc/default/cacerts']

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for apport (Ubuntu) because there has been no activity for 60 days.]