/usr/share/fusiondirectory/plugins/ is in fusiondirectory-plugin-opsi 1.0.19-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/fusiondirectory/plugins/addons/
/usr/share/fusiondirectory/plugins/addons/opsi/
/usr/share/fusiondirectory/plugins/addons/opsi/class_opsiImport.inc
/usr/share/fusiondirectory/plugins/addons/opsi/main.inc
/usr/share/fusiondirectory/plugins/addons/opsi/opsiimport.tpl
/usr/share/fusiondirectory/plugins/admin/
/usr/share/fusiondirectory/plugins/admin/opsi/
/usr/share/fusiondirectory/plugins/admin/opsi/class_opsiOnDemandList.inc
/usr/share/fusiondirectory/plugins/admin/opsi/class_opsiProductProperties.inc
/usr/share/fusiondirectory/plugins/admin/opsi/class_opsiProfile.inc
/usr/share/fusiondirectory/plugins/admin/opsi/class_opsiProfileManagement.inc
/usr/share/fusiondirectory/plugins/admin/opsi/class_opsiSoftwareList.inc
/usr/share/fusiondirectory/plugins/admin/opsi/main.inc
/usr/share/fusiondirectory/plugins/admin/systems/
/usr/share/fusiondirectory/plugins/admin/systems/opsi/
/usr/share/fusiondirectory/plugins/admin/systems/opsi/class_opsiClient.inc
/usr/share/fusiondirectory/plugins/admin/systems/services/
/usr/share/fusiondirectory/plugins/admin/systems/services/opsi/
/usr/share/fusiondirectory/plugins/admin/systems/services/opsi/class_serviceOPSI.inc
/usr/share/fusiondirectory/plugins/config/
/usr/share/fusiondirectory/plugins/config/opsi/
/usr/share/fusiondirectory/plugins/config/opsi/class_opsiConfig.inc