mtpd: Build L2TP challenge from /dev/urandom to improve the security.

Also make it return CHALLENGE_FAILED when the response is incorrect.
1 file changed
tree: b04a9976c186095093f7b94750b9859be0cc3ff8
  1. Android.mk
  2. l2tp.c
  3. mtpd.c
  4. mtpd.h
  5. pptp.c