/usr/lib/firewalld/services/ is in firewalld 0.3.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/firewalld/services/amanda-client.xml
/usr/lib/firewalld/services/bacula-client.xml
/usr/lib/firewalld/services/bacula.xml
/usr/lib/firewalld/services/dhcp.xml
/usr/lib/firewalld/services/dhcpv6-client.xml
/usr/lib/firewalld/services/dhcpv6.xml
/usr/lib/firewalld/services/dns.xml
/usr/lib/firewalld/services/ftp.xml
/usr/lib/firewalld/services/high-availability.xml
/usr/lib/firewalld/services/http.xml
/usr/lib/firewalld/services/https.xml
/usr/lib/firewalld/services/imaps.xml
/usr/lib/firewalld/services/ipp-client.xml
/usr/lib/firewalld/services/ipp.xml
/usr/lib/firewalld/services/ipsec.xml
/usr/lib/firewalld/services/kerberos.xml
/usr/lib/firewalld/services/kpasswd.xml
/usr/lib/firewalld/services/ldap.xml
/usr/lib/firewalld/services/ldaps.xml
/usr/lib/firewalld/services/libvirt-tls.xml
/usr/lib/firewalld/services/libvirt.xml
/usr/lib/firewalld/services/mdns.xml
/usr/lib/firewalld/services/mountd.xml
/usr/lib/firewalld/services/ms-wbt.xml
/usr/lib/firewalld/services/mysql.xml
/usr/lib/firewalld/services/nfs.xml
/usr/lib/firewalld/services/ntp.xml
/usr/lib/firewalld/services/openvpn.xml
/usr/lib/firewalld/services/pmcd.xml
/usr/lib/firewalld/services/pmproxy.xml
/usr/lib/firewalld/services/pmwebapi.xml
/usr/lib/firewalld/services/pmwebapis.xml
/usr/lib/firewalld/services/pop3s.xml
/usr/lib/firewalld/services/postgresql.xml
/usr/lib/firewalld/services/proxy-dhcp.xml
/usr/lib/firewalld/services/radius.xml
/usr/lib/firewalld/services/rpc-bind.xml
/usr/lib/firewalld/services/samba-client.xml
/usr/lib/firewalld/services/samba.xml
/usr/lib/firewalld/services/smtp.xml
/usr/lib/firewalld/services/ssh.xml
/usr/lib/firewalld/services/telnet.xml
/usr/lib/firewalld/services/tftp-client.xml
/usr/lib/firewalld/services/tftp.xml
/usr/lib/firewalld/services/transmission-client.xml
/usr/lib/firewalld/services/vnc-server.xml
/usr/lib/firewalld/services/wbem-https.xml