src/initscripts/init.d/random

   1 #!/bin/sh
   2 # Begin $rc_base/init.d/random
   3
   4 # Based on sysklogd script from LFS-3.1 and earlier.
   5 # Rewritten by Gerard Beekmans  - gerard@linuxfromscratch.org
   6 # Random script elements by Larry Lawrence
   7
   8 . /etc/sysconfig/rc
   9 . $rc_functions
  10
  11 case "$1" in
  12         start)
  13                 boot_mesg "Initializing kernel random number generator..."
  14                 if [ -f /var/tmp/random-seed ]; then
  15                         /bin/cat /var/tmp/random-seed >/dev/urandom
  16                 else
  17                 /bin/dd if=/dev/random of=/dev/urandom \
  18                         count=1 &>/dev/null
  19                 fi
  20                 /bin/dd if=/dev/urandom of=/var/tmp/random-seed \
  21                         count=1 &>/dev/null
  22                 evaluate_retval
  23                 ;;
  24
  25         stop)
  26                 boot_mesg "Saving random seed..."
  27                 /bin/dd if=/dev/urandom of=/var/tmp/random-seed \
  28                         count=1 &>/dev/null
  29                 evaluate_retval
  30                 ;;
  31
  32         *)
  33                 echo "Usage: $0 {start|stop}"
  34                 exit 1
  35                 ;;
  36 esac
  37
  38 # End $rc_base/init.d/random