Ticket #2646: freepbx_engine

#!/usr/bin/env bash

ROOT_UID=0   # root uid is 0
E_NOTROOT=67   # Non-root exit error


echo
# check to see if we are root
if [ "$UID" -ne "$ROOT_UID" ]
then
  echo "Sorry, you must be root to run this script."
  echo
  exit $E_NOTROOT
fi

# make sure config file exists
if [ ! -e "/etc/amportal.conf" ]       # Check if file exists.
  then
    echo;
    echo "/etc/amportal.conf does not exist!";
  echo "Have you installed the AMP configuration?";
  exit;
fi
. /etc/amportal.conf

if [ $ASTRUNDIR = /var/run ]
  then
    echo "**** ERROR IN CONFIGURATION ****"
    echo "astrundir in /etc/asterisk/asterisk.conf is set to '/var/run' - THIS IS WRONG."
    echo "Please change it to something sensible (eg, '/var/run/asterisk') and re-run"
    echo "install_amp"
    exit;
fi

if [ ! -d "$ASTRUNDIR" ]
  then
    echo "**** WARNING: ERROR IN CONFIGURATION ****"
    echo "astrundir in /etc/asterisk/asterisk.conf is set to $ASTRUNDIR but the directory"
    echo "does not exists. Attempting to create it with: 'mkdir -p $ASTRUNDIR'"
    echo
    mkdir -p $ASTRUNDIR
    RET=$?
    if [ $RET != 0 ]
    then
      echo "**** ERROR: COULD NOT CREATE $ASTRUNDIR ****"
      echo "Attempt to execute 'mkdir -p $ASTRUNDIR' failed with an exit code of $RET"
      echo "You must create this directory and the try again."
      exit
    fi
fi

chown_asterisk() {
  echo SETTING FILE PERMISSIONS

  chown -R asterisk:asterisk $ASTRUNDIR
  chown -R asterisk:asterisk /etc/asterisk
  chmod -R g+w /etc/asterisk
  chown -R asterisk:asterisk $ASTVARLIBDIR
  chmod -R g+w $ASTVARLIBDIR
  chown -R asterisk:asterisk $ASTLOGDIR
  chmod -R g+w $ASTLOGDIR
  chown -R asterisk:asterisk $ASTSPOOLDIR
  chmod -R g+w $ASTSPOOLDIR
  chown -R asterisk:asterisk $AMPWEBROOT/admin
  chmod -R g+w $AMPWEBROOT/admin
  chown -R asterisk:asterisk $FOPWEBROOT
  chmod -R g+w $FOPWEBROOT
  chown -R asterisk:asterisk $AMPWEBROOT/recordings
  chmod -R g+w $AMPWEBROOT/recordings
  chown -R asterisk:asterisk $AMPWEBROOT/_asterisk
  chmod u+x,g+x $ASTVARLIBDIR/bin/*
  chown -R asterisk:asterisk $ASTVARLIBDIR/bin/*
  chown -R asterisk:asterisk $AMPBIN/*

  if [ "$ASTAGIDIR" != "" ]; then
    chmod u+x $ASTAGIDIR/*
  else
    chmod u+x $ASTVARLIBDIR/agi-bin/*
  fi

  chmod u+x,g+x $AMPBIN/bounce_op.sh
  chmod u+x,g+x $FOPWEBROOT/*.pl
  chmod u+x $FOPWEBROOT/safe_opserver
  chown asterisk /dev/tty9
  # Ensure that various hardware devices are owned correctly.
  [ -e /dev/zap ] && chown -R asterisk:asterisk /dev/zap 
  [ -e /dev/capi20 ] && chown -R asterisk:asterisk /dev/capi20
  [ -e /dev/misdn ] && chown -R asterisk:asterisk /dev/misdn
  [ -e /dev/mISDN ] && chown -R asterisk:asterisk /dev/mISDN
  [ -e /dev/dsp ] && chown -R asterisk:asterisk /dev/dsp

  echo Permissions OK
}

check_asterisk() {
# check to see if asterisk is running
# Note, this isn't fool-proof.  If safe_asterisk is constantly restarting a dying asterisk, then there is a chance pidof will return non zero.  We call this twice to reduce chances of this happening
pid_length=$(pidof asterisk|awk '{print length($0)}')
  if [ "$pid_length" == "0" -a "$pid_length" != "" ]
    then
        killall -9 safe_asterisk
        killall -9 mpg123 > /dev/null
        echo
        echo "-----------------------------------------------------"
        echo "Asterisk could not start!"
        echo "Use 'tail $ASTLOGDIR/full' to find out why."
        echo "-----------------------------------------------------"
        exit 0
    fi
}
check_asterisk_kill() {
# check to see if asterisk is running after killall
# Note, this isn't fool-proof.  If safe_asterisk is constantly restarting a dying asterisk, then there is a chance pidof will return non zero.  We call this twice to reduce chances of this happening
pid_length=$(pidof asterisk|awk '{print length($0)}')
  if [ "$pid_length" == "0" -a "$pid_length" != "" ]
    then
        killall -9 safe_asterisk
        killall -9 asterisk
        check_asterisk_kill
    fi
}

run_asterisk() {
# check to see if asterisk is running
echo
echo "STARTING ASTERISK"
pid_length=$(pidof asterisk|awk '{print length($0)}')
  if [ "$pid_length" != "0" -a "$pid_length" != "" ]
    then
      echo "Asterisk is already running"
    else
      # su - asterisk -c "export PATH=$PATH:/usr/sbin && export LD_LIBRARY_PATH=/usr/local/lib && /usr/sbin/safe_asterisk"
      export LD_LIBRARY_PATH=/usr/local/lib
      /usr/sbin/safe_asterisk -U asterisk -G asterisk
      sleep 5
      check_asterisk
      sleep 1
      check_asterisk
      echo "Asterisk Started"
    fi
}

stop_asterisk() {
echo
echo "STOPPING ASTERISK"
pid_length=$(pidof asterisk|awk '{print length($0)}')
  if [ "$pid_length" != "0" -a "$pid_length" != "" ]
    then
      /usr/sbin/asterisk -rx "stop gracefully"
      echo "Asterisk Stopped"
    fi
}

check_fop() {
#check to see if FOP is running
  pid_length=$(pidof -x op_server.pl|awk '{print length($0)}')
  if [ "$pid_length" == "0" -a "$pid_length" != "" ]
    then
        ps -ef | grep safe_opserver | grep -v grep | awk '{print $2}' | xargs kill -9
        echo
        echo "-----------------------------------------------------"
        echo "The FOP's server (op_server.pl) could not start!"
        echo "Please correct this problem"
        echo "-----------------------------------------------------"
        exit 0
    fi
}

run_fop() {
# check to see if FOP is running
echo
echo "STARTING FOP SERVER"
pid_length=$(pidof -x op_server.pl|awk '{print length($0)}')
  if [ "$pid_length" != "0" -a "$pid_length" != "" ]
    then
      echo "FOP server is already running"
    else
      su - asterisk -c "cd $FOPWEBROOT && $FOPWEBROOT/safe_opserver &"
      sleep 1
      check_fop
      echo "FOP Server Started"
    fi
}

stop_fop() {
  echo
  echo "STOPPING FOP SERVER"
  pid_length=$(pidof -x op_server.pl|awk '{print length($0)}')
    if [ "$pid_length" != "0" -a "$pid_length" != "" ]
      then
        ps -ef | grep safe_opserver | grep -v grep | awk '{print $2}' | xargs kill
        killall op_server.pl
        echo "FOP Server Stopped"
      fi
}

kill_amp() {
  echo
  echo "KILLING AMP PROCESSES"
  killall -9 safe_asterisk
  killall -9 asterisk
  check_asterisk_kill
  killall -9 mpg123
  ps -ef | grep safe_opserver | grep -v grep | awk '{print $2}' | xargs kill -9
  killall -9 op_server.pl
}

case "$1" in
  start)
    chown_asterisk
    run_asterisk
    if [ -z "$FOPRUN" -o "$FOPRUN" == "true" -o "$FOPRUN" == "TRUE" -o "$FOPRUN" == "True" -o "$FOPRUN" == "yes" -o "$FOPRUN" == "YES" -o "$FOPRUN" == "Yes" ]
    then
      run_fop
    fi
  ;;
  stop)
    stop_asterisk
    stop_fop
  ;;
  restart)
    stop_asterisk
    stop_fop
    sleep 1
    chown_asterisk
    run_asterisk
    if [ -z "$FOPRUN" -o "$FOPRUN" == "true" -o "$FOPRUN" == "TRUE" -o "$FOPRUN" == "True" -o "$FOPRUN" == "yes" -o "$FOPRUN" == "YES" -o "$FOPRUN" == "Yes" ]
    then
      run_fop
    fi
  ;;
  stop_fop)
    stop_fop
  ;;
  start_fop)
    run_asterisk
    run_fop
  ;;
  restart_fop)
    stop_fop
    run_asterisk
    run_fop
  ;;
  chown)
    chown_asterisk
  ;;
  kill)
    kill_amp
  ;;
  *)
    echo "-------------FreePBX Control Script-----------------------------------------------"
    echo
    echo "Usage:       amportal start|stop|restart|start_fop|stop_fop|restart_fop|kill|chown"
    echo
    echo "start:       Starts Asterisk and Flash Operator Panel server if enabled"
    echo "stop:        Gracefully stops Asterisk and the FOP server"
    echo "restart:     Stop and Starts"
    echo "start_fop:   Starts FOP server and Asterisk if not running"
    echo "stop_fop:    Stops FOP serverg"
    echo "restart_fop: Stops FOP server and Starts it and Asterisk if not running"
    echo "kill:        Kills Asterisk and the FOP server"
    echo "chown:       Sets appropriate permissions on files"
    echo
    exit 1
  ;;
esac