#!/bin/sh## prndg           This shell script takes care of starting and stopping#                 prndg (Pseudo Random Number Generator Daemon).## chkconfig: - 55 45# description: Pseudo Random Number Generator Daemon# Authomatical startup script. Howto install and use it:# - configure prngd to have config file in /etc/prngd.d/prngd.conf and seed#   in /etc/prngd.d/prngd-seed, compile it and put binary into /usr/local/bin# - install prngd.rc.osr5 file as /etc/prngd.d/prngd.rc# - run /etc/prngd.d/prngd.rc enable# - /etc/prngd.d/prngd.rc along without arguments gives brief help#daemon_user='prngd'root_dir="/usr/local/prngd"bin_dir="$root_dir/bin"sbin_dir="$bin_dir"etc_dir="/etc/prngd.d"run_dir="$root_dir/var"log_dir="$run_dir"log_file="$log_dir/prngd.log"daemon_file="$sbin_dir/prngd"conf_file="$etc_dir/prngd.conf"sock_file="$run_dir/prngd-pool"lock_file="$run_dir/prngd.lock"rc_file="$sbin_dir/prngd.rc"srcscript="/etc/rc2.d/S98prngd"krcscript="/etc/rc0.d/K87prngd"add_path="$bin_dir"# environment check[ -f "$daemon_file" ] || exit 0[ -f "$conf_file" ] || exit 0if echo "$PATH" | fgrep -q "$add_path"then  echo -nelse  PATH="$add_path:$PATH"  export PATHfiRETVAL=0# See how we were called.case "$1" in  'start')    # Start daemons.    echo -n "Starting prngd: "    if [ -f "$lock_file" ]    then      echo "Already running, according to lock file: $lock_file"      exit 0    fi    su "$daemon_user" -c "$daemon_file $sock_file" > "$log_file" 2>&1    RETVAL=$?    if [ "$RETVAL" -eq 0 ]    then      touch "$lock_file"    fi    echo  ;;  'stop')    # Stop daemons.    echo -n "Shutting down prngd: "    if [ ! -f "$lock_file" ]    then      echo "Not running, no lock file: $lock_file"      exit 0    fi    "$daemon_file" --kill "$sock_file"    RETVAL=$?    [ $RETVAL -eq 0 ] && rm -f "$lock_file"    echo  ;;  'restart')    $0 stop    $0 start  ;;  'enable')    if [ -h $srcscript ] ; then       echo "prngd is already enabled."    else       echo "Enabling prngd ... \c"       rm -f "$srcscript" "$krcscript"       ln -s "$rc_file" $srcscript       ln -s "$rc_file" $krcscript       echo "Done"    fi  ;;  'disable')    echo "Disabling prngd ... \c"    rm -f "$srcscript" "$krcscript"    echo "Done"  ;;  *)    echo "Usage: prngd.rc {start|stop|restart|enable|disable}"    exit 1  ;;esacexit $RETVAL