Question [Q] Changing SuperSU config through ADB (root recovery)

Simply put:
SGS2 i727 Skyrocket broken screen and digitizer
Pattern lock
adb shell can't get root unless in recovery
need adb root access to remote control through AndroidScreenCast so I can unlock my screen (or manually/script enter a series of touch event inputs)
need to know how to edit SuperSU config (and where to find it) so it will auto-grant root to adb (and possibly all apps for now) by default at startup
i am able to mount /system, /data, /cache and /storage/sdcar0 through cwm recovery
and have root access through recovery

am I able to change SuperSU config under recovery root environment?
not asking to be spoonfed but hints are welcome