/etc/oss.conf is in oss4-base 4.2-build2007-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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OSSETCDIR=/etc/oss4 OSSVARDIR=/var/lib/oss4 OSSDKMSDIR=/var/lib/dkms/oss4/4.2-build2007