desktop-packages team mailing list archive

[Jamie Strandboge <jamie@xxxxxxxxxx>]

"Why is it that difficult to understand that I do not ask you to make
ubuntu more tight, but to split the configuration into two parts to
allow users to make it more tight if they want without breaking the
package updates?"

Ok, so this is a 3rd separate bug report in addition to the other two:
not having the policy be conffiles which could be implemented as
splitting out the system bits from the user bits. The apparmor
developers have discussed how a distribution should ship profiles
generally for a long time and there is no completely satisfactory
answer. What resulted from these discussions was the
/etc/apparmor.d/local mechanism. Files in this directory are not
conffiles and will not be updated on upgrades. You can use this to fine
tune profiles as desired.

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https://bugs.launchpad.net/bugs/900324

Title:
  apparmor profile provides too much access

Status in “evince” package in Ubuntu:
  Won't Fix

Bug description:
  Hi,

  evince comes with apparmor profiles.

  
  1) The profiles are incomplete/outdated. Kernel keeps complaining because evince tries to read from udev which has been moved to /run/udev by some ubuntu berserks: 

  Dec  5 16:10:19 sodom kernel: [24711.331270] type=1400
  audit(1323097819.959:148): apparmor="DENIED" operation="open"
  parent=22723 profile="/usr/bin/evince" name="/run/udev/data/b253:6"
  pid=23251 comm="evince" requested_mask="r" denied_mask="r" fsuid=1000
  ouid=0

  
  2) The profiles are mostly useless because the open almost everything for read/write anyway, e.g. 

    @{HOME}/** rw,

  
  What's the point in having a apparmor profile if it opens all doors? The idea of apparmor is to restrict particular access, not to open everything to make it run like without an apparmor profile. 

  BTW, the file design is poor. The master profile should contain only
  what evince needs to run (like /usr/lib... and such things) and not
  intermix with the files to read or write for working. These options
  should be put into a separate file to allow the admin to modify it to
  local needs without breaking the upgrade process for the main part of
  the profile.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: evince-common 3.2.1-0ubuntu2
  ProcVersionSignature: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden: '/proc/version_signature'
  Uname: Linux 3.2.0-030200rc2-generic x86_64
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Mon Dec  5 16:14:31 2011
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427.1)
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, user)
   LANG=de_DE.UTF-8
   SHELL=/bin/tcsh
  SourcePackage: evince
  UpgradeStatus: Upgraded to oneiric on 2011-10-29 (36 days ago)

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