/usr/lib/libospfapiclient.so is in quagga 0.99.20.1-0ubuntu0.12.04.6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libospfapiclient.so.0.0.0
/usr/lib/libospfapiclient.so.0.0.0