OmogenExec is a component that can be used for implementing programming problem judging systems. It consists of two things: a sandbox component and a Go library for evaluating problems.
It is only tested on Ubuntu LTS 22.04.
First, you must enable filesystem quotas. The sandbox uses this functionality to prevent submissions from writing too much data to disk.
- Install quota by running
sudo apt install quota. - Open
/etc/fstaband addusrquota,grpquotato the options of the filesystem containing/var/lib/omogen(by default mount point/). - Remount your filesystem by running
sudo mount -o remount /. - Enable quota tracking by running
sudo quotacheck -ugm /. - Turn on quota by running
sudo quotaon -v /.
Next, install the sandbox from the latest omogenexec-debian.deb release.
You can verify that the sandbox is working by running printf '\x01/bin/true\x00' | omogenexec --sandbox-id 1 --blocks 1024 --inodes 1024 --memory-mb 1024 --time-lim-ms 1000 --wall-time-lim-ms 1000 --pid-limit 1 2>/dev/null.
The output should be
code 0
cpu <some integer>
done
if everything works.