On 04/01/2014 08:27 PM, Andy Ruch wrote:
I was able to identify the problem. The short answer is my “seusers”
file didn’t
have a “__default__” entry. This caused “selinux.getseuserbyname()” in
seobject.py to return the name of the linux user instead of an
existing selinux
user. This linux user name was never able to match an existing seuser
record
and caused “libsemanage.dbase_llist_query” to fail. Below is a python
command that highlights the issue. Just
switch between a user that does exist and one that doesn’t to see the
difference.
python -c ‘import selinux;rec,oldsename,oldserange =
selinux.getseuserbyname(“testuser”);print
oldsename;’
I now have a solution that allows me to move forward,
however I would consider this a bug that could be fixed. Maybe add a
check for
users that don’t exist or make the “__default__” entry mandatory.
I believe your issue is different than #875169 bug. If I understand
correctly, you fail on
# semanage login -a -s foo_u foo
libsemanage.dbase_llist_query: could not query record value
ValueError: Could not query user for foo_u
which looks correct for me. Not sure where you see a bug in this case.
The #875169 bug is about the user/group check which we have in seobject.py.
Dan/Miroslav -- Bugzilla Bug 875169 was reopened in relation
to this issue. It’s private so I don’t have any access to add a
comment.
Let me re-check it. Thank you.
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As you've described the bug, I would say that is what I'm seeing. This all stems from not having a "__default__" entry in seusers. This caused the old seuser check in seobject.py to not find a valid seuser and default to the provided linux user ('foo' in your example). Then I was getting the "libsemanage.dbase_llist_query" error because 'foo' really couldn't be found, which is correct. So I think the error really exists in seobject.py in the fact it's trying to use 'foo' as 'oldsename'.
Yes, it comes from getseuserbyname().
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