If you want to get RSBAC attribute of some user, you may use attr_get_user utility. Check appropriate documentation about possible attributes and values for module you want to administrate or use -a option to see full list.
show effective (maybe inherited) value, not real
numeric value
both names and numbers
list all users
list all Linux capabilities. This option is useful only for CAPS module
list all RES resource names. This option is useful only for RES module
list attributes and values
one of the possible RSBAC modules, e.g., GEN, MAC, FC, SIM, PM, MS, FF, RC or AUTH
has vector type. Works with additional parameter position: 0=no, 1=yes
has vector type. Works with additional parameter request-name: 0=no, 1=yes