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#!/bin/sh
#
# functions This file contains functions to be used by most or all
# shell scripts in the /etc/init.d directory.
#
# Version: @(#) /etc/init.d/functions 1.01 26-Oct-1993
#
# Author: Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
# Hacked by: Greg Galloway and Marc Ewing
# Karl DeBisschop (19991018 for solaris)
#

# First set up a default search path.
PATH=/opt/gnu/bin:/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin
export PATH

# Get a sane screen width
[ -z "$COLUMNS" ] && COLUMNS=80

# Read in our configuration
if [ -z "$BOOTUP" ]; then
  if [ -f /etc/sysconfig/init ]; then
      . /etc/sysconfig/init
  else
    # This all seem confusing? Look in /etc/sysconfig/init,
    # or in /usr/doc/initscripts-*/sysconfig.txt
    BOOTUP=color
    RES_COL=20
    MOVE_TO_COL="printf \033[300C\033[%dD ${RES_COL}"
    SETCOLOR_SUCCESS='printf \033[1;%dm 32'
    SETCOLOR_FAILURE='printf \033[1;%dm 31'
    SETCOLOR_WARNING='printf \033[1;%dm 33'
    SETCOLOR_NORMAL='printf \033[0;%dm 39'
    LOGLEVEL=1
  fi
fi

if [ "$BOOTUP" != "verbose" ]; then
   INITLOG_CMD="initlog -q -c"
else
   INITLOG_CMD="initlog -q -c"
fi

#if which initlog | egrep "^no initlog" >/dev/null 2&1; then
# INITLOG_CMD=""
#fi

#if which initlog | egrep "^no pidof" >/dev/null 2>&1; then
# IN_INITLOG="not found"
#else
# IN_INITLOG=
#fi

# A function to start a program.
daemon() {
# Test syntax.
gotbase=
case $1 in
'') echo '$0: Usage: daemon [+/-nicelevel] {program}'
return 1;;
--check)
shift
base=$1
gotbase="yes"
shift
nicelevel=0
;;

-*|+*) nicelevel=$1
shift;;
*) nicelevel=0;;
esac

        # Save basename.
        [ -z $gotbase ] && base=`basename $1`

        # See if it's already running.
pid=`pidofproc $base`
[ -n "$pid" ] && ps -p $pid >/dev/null 2>&1 && return

# make sure it doesn't core dump anywhere; while this could mask
# problems with the daemon, it also closes some security problems
ulimit -c 0

# Echo daemon
        [ "$BOOTUP" = "verbose" ] && printf " $base"

# And start it up.
nice -n $nicelevel $INITLOG_CMD "$*" && success "$base startup" || failure "$base startup"
}

# A function to stop a program.
killproc() {
# Test syntax.
if [ $# = 0 ]; then
echo "Usage: killproc {program} [signal]"
return 1
fi

notset=0
# check for second arg to be kill level
if [ "$2" != "" ] ; then
killlevel=$2
else
notset=1
killlevel="-9"
fi

        # Save basename.
        base=`basename $1`

        # Find pid.
        pid=`pidofproc $base`

        # Kill it.
        if [ "$pid" != "" ] ; then
                [ $BOOTUP = "verbose" ] && printf "$base "
if [ "$notset" = "1" ] ; then
if ps -p $pid>/dev/null 2>&1; then
# TERM first, then KILL if not dead
kill -TERM $pid
sleep 1
if ps -p $pid >/dev/null 2>&1 ; then
sleep 1
if ps -p $pid >/dev/null 2>&1 ; then
sleep 3
if ps -p $pid >/dev/null 2>&1 ; then
kill -KILL $pid
fi
fi
fi
fi
ps -p $pid >/dev/null 2>&1 && failure "$base shutdown" || success "$base shutdown"
# use specified level only
else
if ps -p $pid >/dev/null 2>&1; then
kill $killlevel $pid && success "$base $killlevel" || failure "$base $killlevel"
fi
fi
else
failure "$base shutdown"
fi

        # Remove pid file if any.
if [ "$notset" = "1" ]; then
            rm -f /var/run/$base.pid
fi
}

# A function to find the pid of a program.
pidofproc() {
# Test syntax.
if [ $# = 0 ] ; then
echo "Usage: pidofproc {program}"
return 1
fi

# First try "/var/run/*.pid" files
if [ -f /var/run/$1.pid ] ; then
pid=`head -1 /var/run/$1.pid`
if [ "$pid" != "" ] ; then
echo $pid
return 0
fi
fi

# Next try "pidof"
# if which pidof | egrep -v "^no pidof" >/dev/null 2>&1; then
# pid=`pidof $1`
# if [ "$pid" != "" ] ; then
# echo $pid
# return 0
# fi
# fi

# Finally try to extract it from ps
pid=`ps -eo pid,ppid,fname | egrep -v $$ | awk 'BEGIN { prog=ARGV[1]; ARGC=1 } { if ((prog == $3) || (("(" prog ")") == $3) || (("[" prog "]") == $3) || ((prog ":") == $3)) { print $1 ; exit 0 } }' $1`
if [ "$pid" != "" ] ; then
echo $pid
return 0
fi

return 2
}

status() {
# Test syntax.
if [ $# = 0 ] ; then
echo "Usage: status {program}"
return 1
fi

base=`basename $1`
pid=`pidofproc $base`
if [ "$pid" != "" ] ; then
echo "$1 (pid $pid) is running..."
return 0
fi

# Next try "/var/run/*.pid" files
if [ -f /var/run/$1.pid ] ; then
pid=`head -1 /var/run/$1.pid`
if [ "$pid" != "" ] ; then
echo "$1 dead but pid file exists"
return 1
fi
fi

# See if /var/lock/subsys/$1 exists
if [ -f /var/lock/subsys/$1 ]; then
echo "$1 dead but subsys locked"
return 2
fi
echo "$1 is stopped"
return 3
}

echo_success() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  printf "[ "
  [ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
  printf "OK"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  printf " ]"
  return 0
}

echo_failure() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  printf "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
  printf "FAILED"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  printf "]"
  return 1
}

echo_passed() {
  [ "$BOOTUP" = "color" ] && $MOVE_TO_COL
  printf "["
  [ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
  printf "PASSED"
  [ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
  printf "]"
  return 1
}

# Log that something succeeded
success() {
  if [ -z "$IN_INITLOG" ]; then
# initlog -n $0 -s "$1" -e 1
     logger -t $0 "Success: $1"
  else
     logger -t $0 "Success: $1"
# echo "-n $0 -s \"$1\" -e 1" >&21
  fi
  [ "$BOOTUP" != "verbose" ] && echo_success
  return 0
}

# Log that something failed
failure() {
  rc=$?
  if [ -z "$IN_INITLOG" ]; then
     logger -t $0 "Failure: $1"
# initlog -n $0 -s "$1" -e 2
  else
     logger -t $0 "Failure: $1"
# echo "-n $0 -s \"$1\" -e 2" >&21
  fi
  [ "$BOOTUP" != "verbose" ] && echo_failure
  return $rc
}

# Log that something passed, but may have had errors. Useful for fsck
passed() {
  rc=$?
  if [ -z "$IN_INITLOG" ]; then
     logger -t $0 "Success: $1"
# initlog -n $0 -s "$1" -e 1
  else
     logger -t $0 "Success: $1"
# echo "-n $0 -s \"$1\" -e 1" >&21
  fi
  [ "$BOOTUP" != "verbose" ] && echo_passed
  return $rc
}

# Run some action. Log its output.
action() {
  STRING=$1
  printf "$STRING "
  shift
  $INITLOG_CMD "$*" && success "$STRING" || failure "$STRING"
  rc=$?
  echo
return $rc
}

# Confirm whether we really want to run this service
confirm() {
  printf "Start service $1 (Y)es/(N)o/(C)ontinue? [Y] "
  read answer
  case $answer in
    y|Y|"")
      return 0
    ;;
    c|C)
      return 2
    ;;
    n|N)
      return 1
    ;;
    *)
      confirm $1
      return $?
    ;;
    esac
}
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