etc/rc.d/initrandom

   1 #!/bin/sh
   2 #
   3 # $FreeBSD: src/etc/rc.d/initrandom,v 1.1 2002/06/13 22:14:36 gordon Exp $
   4 # $DragonFly: src/etc/rc.d/initrandom,v 1.4 2004/01/26 17:21:15 rob Exp $
   5 #
   6
   7 # PROVIDE: initrandom
   8 # REQUIRE: initdiskless
   9 # BEFORE: disks
  10 # KEYWORD: DragonFly
  11
  12 . /etc/rc.subr
  13
  14 name="initrandom"
  15 start_cmd="initrandom_start"
  16 stop_cmd=":"
  17
  18 feed_dev_random()
  19 {
  20         if [ -f "${1}" -a -r "${1}" -a -s "${1}" ]; then
  21                 cat "${1}" | dd of=/dev/random bs=8k 2>/dev/null
  22         fi
  23 }
  24
  25 initrandom_start()
  26 {
  27         echo '.'
  28
  29         # First pass at reseeding /dev/random.
  30         #
  31         case ${entropy_file} in
  32         [Nn][Oo] | '')
  33                 ;;
  34         *)
  35                 if [ -w /dev/random ]; then
  36                         feed_dev_random "${entropy_file}"
  37                 fi
  38                 ;;
  39         esac
  40
  41         # XXX temporary until we can get the entropy
  42         # harvesting rate up
  43         # Entropy below is not great,
  44         # but better than nothing.
  45         ( ps -fauxww; sysctl -a; date; df -ib; dmesg; ps -fauxww; ) \
  46             2>&1 | dd of=/dev/random bs=8k 2>/dev/null
  47         cat /bin/ls | dd of=/dev/random bs=8k 2>/dev/null
  48 }
  49
  50 load_rc_config random
  51 run_rc_command "$1"