/usr/share/pam-configs/usb is in libpam-usb 0.5.0-4.
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 | Name: USB authentication
Default: yes
Priority: 257
Auth-Type: Primary
Auth:
sufficient pam_usb.so
|