/usr/share/doc/libmyproxy-dev/extras/myproxy-certificate-mapapp is in libmyproxy-doc 6.1.22-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | #!/bin/sh
username=$1
if [ X"$username" = X ]; then
# no username given
exit 1
fi
# DN must match the signing policy for your CA.
echo "/O=Grid/OU=MyProxy CA/CN=${username}"
exit 0
|