Public bug reported:
When attempting to run aa-genprof, I received the following stack trace:
user@user-desktop:~$ aa-genprof airodump-ng
Writing updated profile for /home/user/aircrack/src/airodump-ng.
Traceback (most recent call last):
File "/usr/sbin/aa-genprof", line 109, in <module>
apparmor.autodep(program)
File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 597, in autodep
write_profile_ui_feedback(pname)
File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 4307, in
write_profile_ui_feedback
write_profile(profile)
File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 4316, in
write_profile
newprof = tempfile.NamedTemporaryFile('w', suffix='~', delete=False,
dir=profile_dir)
File "/usr/lib/python3.4/tempfile.py", line 599, in NamedTemporaryFile
(fd, name) = _mkstemp_inner(dir, prefix, suffix, flags)
File "/usr/lib/python3.4/tempfile.py", line 339, in _mkstemp_inner
fd = _os.open(file, flags, 0o600)
PermissionError: [Errno 13] Permission denied: '/etc/apparmor.d/tmpj_2nnooj~'
Practically, this was caused by accidentally not running aa-genprof as
root. But it would be much more useful for a user if AppArmor instead
displayed a helpful error message, like: "Unable to create file in
profile directory(%s). Try running aa-genprof as root." % profile_dir
** Affects: apparmor
Importance: Undecided
Status: New
** Affects: apparmor (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1489196
Title:
aa-genprof should display a clear error message instead of a stack
trace if it doesn't have write permissions to the profile directory
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