/usr/share/fusiondirectory/plugins/ is in fusiondirectory-plugin-argonaut 1.0.19-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/fusiondirectory/plugins/addons/
/usr/share/fusiondirectory/plugins/addons/argonaut/
/usr/share/fusiondirectory/plugins/addons/argonaut/class_argonautAction.inc
/usr/share/fusiondirectory/plugins/addons/argonaut/class_argonautEventTypes.inc
/usr/share/fusiondirectory/plugins/addons/argonaut/class_argonautImportFile.inc
/usr/share/fusiondirectory/plugins/addons/argonaut/class_argonautQueue.inc
/usr/share/fusiondirectory/plugins/addons/argonaut/class_filterArgonautEvents.inc
/usr/share/fusiondirectory/plugins/addons/argonaut/deploy-filter.xml
/usr/share/fusiondirectory/plugins/addons/argonaut/deploy-list.tpl
/usr/share/fusiondirectory/plugins/addons/argonaut/deploy-list.xml
/usr/share/fusiondirectory/plugins/addons/argonaut/import_events.tpl
/usr/share/fusiondirectory/plugins/addons/argonaut/main.inc
/usr/share/fusiondirectory/plugins/admin/
/usr/share/fusiondirectory/plugins/admin/systems/
/usr/share/fusiondirectory/plugins/admin/systems/argonaut/
/usr/share/fusiondirectory/plugins/admin/systems/argonaut/class_argonautClient.inc
/usr/share/fusiondirectory/plugins/admin/systems/services/
/usr/share/fusiondirectory/plugins/admin/systems/services/argonaut/
/usr/share/fusiondirectory/plugins/admin/systems/services/argonaut/class_argonautDNSConfig.inc
/usr/share/fusiondirectory/plugins/admin/systems/services/argonaut/class_argonautFuseConfig.inc
/usr/share/fusiondirectory/plugins/admin/systems/services/argonaut/class_argonautFuseFAIConfig.inc
/usr/share/fusiondirectory/plugins/admin/systems/services/argonaut/class_argonautFuseLTSPConfig.inc
/usr/share/fusiondirectory/plugins/admin/systems/services/argonaut/class_argonautFuseOPSIConfig.inc
/usr/share/fusiondirectory/plugins/admin/systems/services/argonaut/class_argonautMirrorConfig.inc
/usr/share/fusiondirectory/plugins/admin/systems/services/argonaut/class_argonautServer.inc