Public bug reported:
Binary package hint: vorbis-tools
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System
-> About Ubuntu
Description: Ubuntu 10.10
Release: 10.10
2) The version of the package you are using, via 'apt-cache policy
pkgname' or by checking in Software Center
vorbis-tools:
Installed: 1.4.0-1ubuntu1
Candidate: 1.4.0-1ubuntu1
Version table:
*** 1.4.0-1ubuntu1 0
500 http://us.archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
100 /var/lib/dpkg/status
3) What you expected to happen
If I run vorbiscomment with the write (-w) or append (-a) flags on a
read-only file, I expect to get an error message. After all, the point
of making a file read-only is to prevent processes from writing to it.
4) What happened instead
If I run vorbiscomment with the write (-w) or append (-a) flags on a
read-only file, the command writes the new comments to the file. This
can be seen by running vorbiscomment again to show the new comments and
by checking the old and new file sizes. For example:
$ dd if=/dev/zero bs=32 count=100000 2> /dev/null | oggenc -Q -r -o test.ogg -
$ chmod 400 test.ogg
$ ls -l test.ogg
-r-------- 1 richard richard 5666 2011-01-26 16:51 test.ogg
$ vorbiscomment test.ogg
$ vorbiscomment -w test.ogg -t "artist=Me" -t "title=The Sound of Silence"
$ ls -l test.ogg
-r-------- 1 richard richard 5709 2011-01-26 16:51 test.ogg
$ vorbiscomment test.ogg
artist=Me
title=The Sound of Silence
$ vorbiscomment -a test.ogg -t "year=2011"
$ ls -l test.ogg
-r-------- 1 richard richard 5722 2011-01-26 16:51 test.ogg
$ vorbiscomment test.ogg
artist=Me
title=The Sound of Silence
year=2011
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: vorbis-tools 1.4.0-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-25.43-generic 2.6.35.10
Uname: Linux 2.6.35-25-generic x86_64
Architecture: amd64
Date: Wed Jan 26 16:22:51 2011
ProcEnviron:
LC_TIME=en_DK.utf8
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/zsh
SourcePackage: vorbis-tools
** Affects: vorbis-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
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https://bugs.launchpad.net/bugs/708406
Title:
vorbiscomment does not honor read-only file permission
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