Sorry, just to clarify the main bit I missed out somehow, if I change Permissive to Disabled and don't touch the script, the script would still run fine without the exec format error.
On 10/4/06, Ian mu mu.llamas@gmail.com wrote:
Hiya, I tried to replicate as much of it as I could on my home pc and hit a few problems I hadn't initially thought about with selinux (it's pretty much my first experience with it, so I may be barking up the wrong tree as some of the scripts aren't mine). I can't replicate to be 100% sure, but the problems extremely similar.
Basically to test, I used sudo (as quite a few of our scripts do) with permissive on. If a shell isn't specified in a script, test.sh is just something like echo "hello" with no #!/bin/bash at first (naturally sudoers file set up).
sudo -H -u ian ./test.sh this will return with "sesh: Error execing ./test.sh: Exec format error
If I add #!/bin/bash to the start it will be fine.
I'm assuming here, the problem is with sudo using sesh and interaction with selinux. I had assumed permissive on was purely logging only and no difference in execution other than that. I'm also assuming this is by design, and not a bug (as the problem likely wouldn't be there with better designed scripts).
Naturally some problems can be got around easily by just adding the shell, but there's a few where not so simple (original problem was with cron), so was looking for a quicker fix to temp get them working by turning permissive off.
Thanks, Ian
On 10/3/06, Karanbir Singh mail-lists@karan.org wrote:
Ian mu wrote:
Hiya all,
After some problems the other day, I've tracked down a problem I've
been
having fairly definitely to selinux being on in permissive mode. sestatus shows it enabled and permissive.
how did you track the problem down to being a SELinux in permissive mode ?
and no, afaik, you cant move from permissive to disabled, since selinux code comes down from kernelspace.
-- Karanbir Singh : http://www.karan.org/ : 2522219@icq _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos