Public bug reported:
Binary package hint: eog
This does not seem to be a generic Gnome or gnome-vfs bug (some similar
bug reports exist for earlier Ubuntu releases), I have only been able to
reproduce it in eog.
Expected Behavior:
Rotating an image and saving it should not change / break group permissions on
the file. Expect that eog will respect system umask settings in the same way
that other Gnome applications do.
What Happens:
Rotating an image and then clicking "Save" changes the permission so only the
owner has read/write, all group permissions are removed. eog seems to be
hard-coded to a specific umask rather than respecting the system configuration.
This breaks group access to image files that have been rotated by other
members of a group.
To reproduce:
1. Change system umask from default (probably 022) to 002 (I am not exactly
sure of minimum needed to do this, I added "umask 002" to a dozen files before
realizing that the bug was only in eog, not a generic Gnome issue.
2. Open an image in eog. Rotate the image. Save the image.
3. Observe that the group permissions on the file are now gone (e.g. only
owner has rw).
More detailed instructions:
1. Change system umask settings, reboot [NOTE: what is official minimum
method for setting umask for Gnome apps?].
Confirm current system umask settings and the umask used by Gnome apps
$ umask
0002
$ touch picture.txt
$ nautilus
Create an empty file using File--> Create Document--> Empty File
[I called the new file picture.empty]
May need to chmod some group permissions before performing the test. In this
case, we use an existing image file named picture.jpg
$ chmod g+rw picture.jpg
$ chmod o+r picture.jpg
$ ls -al picture*
-rw-rw-r-- 1 dan 5000 0 2011-06-02 20:37 picture.empty
-rw-rw-r-- 1 dan 5000 1395326 2011-06-02 20:15 picture.jpg
-rw-rw-r-- 1 dan 5000 0 2011-06-02 20:31 picture.txt
Notice that group has rw permission on the newly created files (touch
and Nautilus respect umask setting).
2. Open the image file in Eye of Gnome.
$ eog picture.jpg
Rotate the image, Save the image. Close eog.
3. The file permissions have changed, group permissions are gone, and
the permission do not match those of newly created files from other
Gnome apps such as Nautilus.
$ ls -al picture*
-rw-rw-r-- 1 dan 5000 0 2011-06-02 20:37 picture.empty
-rw------- 1 dan 5000 1395718 2011-06-02 20:43 picture.jpg
-rw-rw-r-- 1 dan 5000 0 2011-06-02 20:31 picture.txt
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: eog 2.30.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-31.61-generic 2.6.32.32+drm33.14
Uname: Linux 2.6.32-31-generic x86_64
Architecture: amd64
Date: Thu Jun 2 20:06:12 2011
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: eog
** Affects: eog (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid
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https://bugs.launchpad.net/bugs/792145
Title:
eog (Eye of Gnome) ignores umask settings
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