/usr/share/oar/ is in oar-server 2.5.4-2+deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/oar/oar-server/
/usr/share/oar/oar-server/cron.d/
/usr/share/oar/oar-server/cron.d/oar-server
/usr/share/oar/oar-server/default/
/usr/share/oar/oar-server/default/oar-server
/usr/share/oar/oar-server/init.d/
/usr/share/oar/oar-server/init.d/oar-server
/usr/share/oar/oar-server/job_resource_manager.pl
/usr/share/oar/oar-server/job_resource_manager_cgroups.pl
/usr/share/oar/oar-server/oarmonitor_sensor.pl
/usr/share/oar/oar-server/scheduler_quotas.conf
/usr/share/oar/oar-server/server_epilogue
/usr/share/oar/oar-server/server_prologue
/usr/share/oar/oar-server/shut_down_nodes.sh
/usr/share/oar/oar-server/suspend_resume_manager.pl
/usr/share/oar/oar-server/wake_up_nodes.sh