#!/bin/bash
#
# BlueButton open source conferencing system - http://www.bigbluebutton.org/
#
# Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
#
# This program is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 3.0 of the License, or (at your option) any later
# version.
#
# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
#
# Author(s):
#       Fred Dixon <ffdixon@bigbluebutton.org>
#	Sebastian Schneider <seb.sschneider@gmail.com>
#	Ghazi Triki <ghazi.nocturne@gmail.com>
#
# Changelog:
#   2009-10-18 FFD  Inital Version   
#   2009-11-05 FFD  Updated for 0.62   
#   2009-12-09 FFD  Updated for 0.63   
#   2009-12-11 FFD  Added ability to switch conference servers   
#   2009-12-12 FFD  Added cleaning and watching of log files   
#   2010-01-05 FFD  Added zipping of log files   
#   2010-01-18 FFD  Added resetting of environment back to using packages   
#   2010-03-02 JRT  Added trunk checkout options / fixed bbb-apps instructions   
#   2010-04-02 FFD  Updated for 0.64   
#   2010-06-21 SEB  Cleaned up some code / Updated for 0.70
#   2010-06-25 SEB  Added ability to change the security salt
#   2010-06-30 SEB  Added some extra error checking
#   2010-07-06 SEB  Added more error checking and report messages
#   2010-09-15 FFD  Updates for 0.71-dev
#   2010-10-16 FFD  Updates for 0.71-beta
#   2010-11-06 FFD  Added logic to ensure red5 shuts down
#   2010-12-12 FFD  Fixed bug #778
#   2010-12-12 FFD  Added support for Intalio VM
#   2010-02-28 FFD  Fixed #834 
#   2011-06-26 FFD  Updates for 0.8
#   2012-01-14 FFD  Tsting the development environment for 0.8
#   2012-02-22 FFD  Updates to development environment
#   2012-04-27 FFD  Added sum of version numbers in --check
#   2013-02-03 FFD  Updated for changes to parameters for 0.81 in bigbluebutton-sip.properties
#   2013-11-07 FFD  Finished 0.81
#   2014-01-13 FFD  Working on updates for 0.9.0 
#   2014-03-10 GUG  Enable Webrtc
#   2015-03-12 FFD  Added start/stop of HTML5 server
#   2016-01-13 FFD  Updates for 1.0
#   2016-02-28 FFD  Updates to support HTTPS configuration
#   2016-05-28 FFD  Initial updates for 1.1-dev
#   2016-08-15 GTR  Archive more logs with zip option and show more applications with status
#   2016-10-17 GTR  Added redis to checked server components & added ownership check for video and freeswitch recording directories

#set -x
#set -e

PATH=$PATH:/sbin

source /etc/bigbluebutton/bigbluebutton-release

#
# Figure out our environment
#

RED5_DIR=/usr/share/red5
RED5=red5

SERVLET_CONTAINER=tomcat7
SERVLET_DIR=/var/lib/$SERVLET_CONTAINER/webapps

FREESWITCH_VARS=/opt/freeswitch/conf/vars.xml
FREESWITCH_EXTERNAL=/opt/freeswitch/conf/sip_profiles/external.xml
FREESWITCH_PID=/opt/freeswitch/run/freeswitch.pid
FREESWITCH_EVENT_SOCKET=/opt/freeswitch/conf/autoload_configs/event_socket.conf.xml

if lsb_release -d | grep -q CentOS; then
  DISTRIB_ID=centos
  SERVLET_LOGS=/usr/share/$SERVLET_CONTAINER/logs
  FREESWITCH=freeswitch
  FREESWITCH_INIT_D="/etc/init.d/freeswitch"
  TOMCAT_USER=tomcat
else
  . /etc/lsb-release 
  if [ "$DISTRIB_CODENAME" == "trusty" ]; then
    SERVLET_LOGS=/var/lib/$SERVLET_CONTAINER/logs
    FREESWITCH=freeswitch
    FREESWITCH_INIT_D="/etc/init.d/freeswitch"
    TOMCAT_USER=tomcat7
  else
    SERVLET_LOGS=/var/lib/$SERVLET_CONTAINER/logs
    FREESWITCH=freeswitch
    FREESWITCH_INIT_D="/etc/init.d/freeswitch"
    TOMCAT_USER=tomcat7

    FREESWITCH_VARS=/opt/freeswitch/etc/freeswitch/vars.xml
    FREESWITCH_EXTERNAL=/opt/freeswitch/etc/freeswitch/sip_profiles/external.xml
    FREESWITCH_PID=/opt/freeswitch/var/run/freeswitch/freeswitch.pid
    FREESWITCH_EVENT_SOCKET=/opt/freeswitch/etc/freeswitch/autoload_configs/event_socket.conf.xml
  fi
fi

if [ ! -f /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml ]; then
	echo "#"
	echo "# BigBlueButton does not appear to be installed.  Could not"
	echo "# locate:"
	echo "#"
	echo "# /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml"
	exit 1
fi

if [ ! -f /var/www/bigbluebutton/client/conf/config.xml ]; then
	echo "#"
	echo "# BigBlueButton does not appear to be installed.  Could not"
	echo "# locate:"
	echo "#"
	echo "# /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml"
	exit 1
fi

if cat /var/www/bigbluebutton/client/conf/config.xml | grep "ChatModule" | grep -q https; then
	PROTOCOL_HTTP=https
	PROTOCOL_RTMP=rtmp
else
	PROTOCOL_HTTP=http
	PROTOCOL_RTMP=rtmp
fi

#
# We're going to give ^bigbluebutton.web.logoutURL a default value so bbb-conf does not give a warning
#
if [ -f $SERVLET_DIR/bigbluebutton/WEB-INF/classes/bigbluebutton.properties ]; then
	if cat $SERVLET_DIR/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -q ^bigbluebutton.web.logoutURL=$; then
		sudo sed -i s/^bigbluebutton.web.logoutURL=$/bigbluebutton.web.logoutURL=default/g $SERVLET_DIR/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties
	fi
fi

VOICE_CONFERENCE="bbb-voice-freeswitch.xml"

#
# Determine IP so it works on multilingual installations
#

if LANG=c ifconfig | grep -q 'venet0:0'; then
        # IP detection for OpenVZ environment
        echo "yes"
        IP=$(ifconfig | grep -v '127.0.0.1' | grep -E "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | tail -1 | cut -d: -f2 | awk '{ print $1}')
else
        # IP detection for et* and en* networks
        IP=$(echo "$(LANG=c ifconfig  | awk -v RS="" '{gsub (/\n[ ]*inet /," ")}1' | grep ^et.* | head -n1 | sed 's/.*addr://g' | sed 's/ .*//g')$(LANG=c ifconfig  | awk -v RS="" '{gsub (/\n[ ]*inet /," ")}1' | grep ^en.* | head -n1 | sed 's/.*addr://g' | sed 's/ .*//g')" | head -n1)
fi

MEM=`grep MemTotal /proc/meminfo | awk '{print $2}'`



#
# Check if the function has a value and, if not, print an error message
# $1 -- name of value
# $2 -- location of value
# $3 -- value to check
#
check_no_value() {
	if [ -z $3 ]; then
		echo "# Tried to check $1 in"
		echo "#    $2"
		echo "# but value is empty."
		exit 1
	fi
}

check_file() {
	if [ ! -f $1 ]; then
		echo "# File does not exist: $1"
	fi
}

print_header() {
	if [ ! $HEADER ]; then
		echo
		echo "** Potential problems described below **"
		HEADER=1
	fi
}

check_root() {
	if [ $EUID == 0 ]; then
		echo "This operation should not be run as root."
		echo 
		echo "If this operation needs to execute an operation as root, you'll be asked for"
		echo "your password to execute the operation using sudo."
		exit 1
	fi
}

need_root() {
	if [ $EUID != 0 ]; then
		echo "Need to be root to run this option"
		exit 1
	fi
}



usage() {
	echo "BigBlueButton Configuration Utility - Version $BIGBLUEBUTTON_RELEASE"
        echo
        echo "   bbb-conf [options]"
        echo
        echo "Configuration:"
        echo "   --version                        Display BigBlueButton version (packages)"
        echo "   --setip <host>                   Set IP/hostname for BigBlueButton"
        echo "   --setsecret <secret>             Change the shared secret in bigbluebutton.properties"
        echo
        echo "Monitoring:"
        echo "   --check                          Check configuration files and processes for problems"
        echo "   --debug                          Scan the log files for error messages"
        echo "   --watch                          Scan the log files for error messages every 2 seconds"
        echo "   --secret                         View the URL and shared secret for the server"
        echo "   --lti                            View the URL and secret for LTI (if installed)"
        echo
        echo "Administration:"
        echo "   --restart                        Restart BigBlueButton"
        echo "   --stop                           Stop BigBlueButton"
        echo "   --start                          Start BigBlueButton"
        echo "   --clean                          Restart and clean all log files"
        echo "   --status                         Display running status of components"
        echo "   --zip                            Zip up log files for reporting an error"
        echo
        echo "Testing:"
        echo "   --enablewebrtc                   Enables WebRTC audio in the server"
        echo "   --disablewebrtc                  Disables WebRTC audio in the server"

        echo
}

# utility function to make a copy of the conf file
check_and_backup () {
	# can we write to the configuration file?
	if [ ! -w $1 ]; then
		echo "Cannot write to $1!"
		exit 1
	fi

	# let's see if we need a copy
	if [ "$TO_BACKUP" = "Y" ]; then
		cp $1 $1.bak
		TO_BACKUP="N"
	fi
}

# 3 paramenter: the file, the variable name, the new value
change_var_value () {
	check_and_backup $1
	sed -i "s<^[[:blank:]#]*\(${2}\).*<\1=${3}<" $1
}

# same as change_var_value but with quotes
change_var_salt() {
	check_and_backup $1
	sed -i "s<^[[:blank:]#]*\(${2}\).*<\1="${3}"<" $1
}

# comment lines matching $2 ($1 is the file)
comment () {
	check_and_backup $1
	sed -i "s<^[[:blank:]]*\(${2}.*\)<#\1<" $1
}

change_yml_value () {
        sed -i "s<^[[:blank:]#]*\(${2}\):[ ].*<\1: ${3}<" $1
}

# comment lines matching $2 ($1 is the file)
uncomment () {
	check_and_backup $1
	sed -i "s<^[#[:blank:]]*\(${2}.*\)<\1<" $1
}

stop_bigbluebutton () {
    echo "Stopping BigBlueButton"
    if command -v systemctl >/dev/null; then
       if [ -f /usr/lib/systemd/system/bbb-html5.service ]; then
          HTML5=bbb-html5
       fi
       if [ -f /usr/lib/systemd/system/bbb-webhooks.service ]; then
          WEBHOOKS=bbb-webhooks
       fi
       systemctl stop red5 tomcat7 nginx freeswitch redis-server bbb-apps-akka bbb-fsesl-akka bbb-rap-archive-worker.service bbb-rap-process-worker.service bbb-rap-publish-worker.service bbb-rap-sanity-worker.service bbb-record-core.timer $HTML5 $WEBHOOKS
    else
	/etc/init.d/monit stop

	/etc/init.d/$RED5 stop
	/etc/init.d/${SERVLET_CONTAINER} stop
	/etc/init.d/nginx stop
        
	if [ -a $FREESWITCH_PID ]; then
		$FREESWITCH_INIT_D stop
	fi
        
	if [ -f /etc/init.d/bbb-office ]; then
		/etc/init.d/bbb-office stop
	fi

	if [ -f /etc/init.d/bbb-record-core ]; then
		/etc/init.d/bbb-record-core stop
	fi

        if [ -f /etc/init/bbb-apps-akka.conf ]; then
                service bbb-apps-akka stop
        fi
        if [ -f /etc/init.d/bbb-apps-akka ]; then
                /etc/init.d/bbb-apps-akka stop
        fi

        if [ -f /etc/init/bbb-fsesl-akka.conf ]; then
                service bbb-fsesl-akka stop
        fi
        if [ -f /etc/init.d/bbb-fsesl-akka ]; then
                /etc/init.d/bbb-fsesl-akka stop
        fi
   fi
}

start_bigbluebutton () {
    echo "Starting BigBlueButton"
    if command -v systemctl >/dev/null; then
       if [ -f /usr/lib/systemd/system/bbb-html5.service ]; then
          HTML5=bbb-html5
       fi
       if [ -f /usr/lib/systemd/system/bbb-webhooks.service ]; then
          WEBHOOKS=bbb-webhooks
       fi
       systemctl start red5 tomcat7 nginx freeswitch redis-server bbb-apps-akka bbb-fsesl-akka bbb-record-core.timer $HTML5 $WEBHOOKS
    else
	$FREESWITCH_INIT_D start
	
	FREESWITCH_ESL_IP=$(cat $FREESWITCH_EVENT_SOCKET | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
	check_no_value listen-ip $FREESWITCH_EVENT_SOCKET $FREESWITCH_ESL_IP

	echo -n "Waiting for FreeSWITCH to start: "

	if [ ! -z $FREESWITCH_ESL_IP ]; then
		while ! nc -z -w 1 $FREESWITCH_ESL_IP 8021 > /dev/null; do
			echo -n "."
			sleep 1
		done
	fi
	echo

	/etc/init.d/nginx start
	/etc/init.d/$RED5 start
	/etc/init.d/${SERVLET_CONTAINER} start

	# monit will start libreoffice and bbb-rap-worker
	/etc/init.d/monit start
	echo
	echo "Note: monit will automatically start bbb-record-core and LibreOffice within 60 seconds."
	echo

	BBB_WEB=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
	if [ -f /etc/init/bbb-html5.conf ]; then
		echo -n "Waiting for Meteor (HTML5 server) to finish starting up (this may take a minute): "
		start bbb-html5

        	if ! wget -q -O - http://$BBB_WEB/html5client/check | grep running > /dev/null; then
                    while ! wget -q -O - http://$BBB_WEB/html5client/check | grep running > /dev/null; do
                        echo -n "."
                        sleep 1
                    done
		fi
        fi

        if [ -f /etc/init/bbb-apps-akka.conf ]; then
                service bbb-apps-akka start
        fi
        if [ -f /etc/init.d/bbb-apps-akka ]; then
                /etc/init.d/bbb-apps-akka start
        fi

        if [ -f /etc/init/bbb-fsesl-akka.conf ]; then
                service bbb-fsesl-akka start
        fi
        if [ -f /etc/init.d/bbb-fsesl-akka ]; then
                /etc/init.d/bbb-fsesl-akka start
        fi


	#
	# At this point the red5 and servlet container applications are starting up.
	#
	echo -n "Waiting for BigBlueButton to finish starting up (this may take a minute): "

	NGINX_IP=$(cat /etc/nginx/sites-available/bigbluebutton | grep -v '#' | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}' | cut -d' ' -f1)
	check_no_value server_name /etc/nginx/sites-available/bigbluebutton $NGINX_IP

        #if ! nc -z -w 1 127.0.0.1 9123 > /dev/null; then
        #        while ! nc -z -w 1 127.0.0.1 9123 > /dev/null; do
        #                echo -n "."
        #                sleep 1
        #        done
        #fi

	#sleep 5

        #if ! wget http://$BBB_WEB/bigbluebutton/api -O - --quiet | grep -q SUCCESS; then
        #        echo "Startup unsuccessful: could not connect to http://$BBB_WEB/bigbluebutton/api"
        #        exit 1
	#fi
    fi

        #
        # Look for Starting up context to be recently added to the log files
        #
        COUNT=0
        while [ $COUNT -lt 20 ]; do
          let COUNT=COUNT+1
          if [ -f $RED5_DIR/log/sip.log ] && [ -f $RED5_DIR/log/bigbluebutton.log ] && [ -f $RED5_DIR/log/red5.log ] && [ -f $RED5_DIR/log/video.log ] && [ -f $RED5_DIR/log/screenshare-slf.log ]; then
            let COUNT=20
          else
            echo -n "."
            sleep 1
          fi
        done


	#
	# All the log files exist, now check for the text "Starting up context"
	#
	COUNT=0
	while [ $COUNT -lt 20 ]; do
	  let COUNT=COUNT+1
	  if [ -f $RED5_DIR/log/video.log ]; then
	    if ! cat $RED5_DIR/log/video.log | tail -n100 | grep -q "Starting up context"; then
	      echo -n "."
	      sleep 1
	    else
	      let COUNT=20
            fi
	  fi
	done

	echo
	BBB_APPS="sip video bigbluebutton screenshare-slf"
	for bbb_app in $BBB_APPS ; do
	        if [ -a $RED5_DIR/log/$bbb_app.log ]; then
	                if ! grep -q "Starting up context" $RED5_DIR/log/$bbb_app.log; then
	                        echo "#    $bbb_app may not have started properly"
	                fi
	        else
	                echo "#    $RED5_DIR/log/$bbb_app.log not found"
	        fi
	done

}

display_bigbluebutton_status () {
    if command -v systemctl >/dev/null; then
	units="start red5 tomcat7 nginx freeswitch redis-server libreoffice bbb-apps-akka bbb-fsesl-akka"
	for unit in $units; do
		echo "$unit: $(systemctl is-active $unit)"
	done 
    else
	/etc/init.d/nginx status
	/etc/init.d/$RED5 status
	/etc/init.d/${SERVLET_CONTAINER} status
    fi
}

enable_webrtc(){
	# Set server ip address in FreeSWITCH
	sed -i "s@<X-PRE-PROCESS cmd=\"set\" data=\"local_ip_v4=.*\"/>@<X-PRE-PROCESS cmd=\"set\" data=\"local_ip_v4=$IP\"/>@g"  $FREESWITCH_VARS

	# Set server ip address in red5 sip app. For flash client.
	sed -i "s/bbb.sip.app.ip=.*/bbb.sip.app.ip=$IP/g" /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties
	sed -i "s/freeswitch.ip=.*/freeswitch.ip=$IP/g" /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties

	# Enable WebRTC in the client
	sed -i "s@useWebRTCIfAvailable=\".*\"@useWebRTCIfAvailable=\"true\"@g" /var/www/bigbluebutton/client/conf/config.xml

	# Enable port 5066 in FreeSWITCH
	sed -i 's/^.*<!--<param name="ws-binding"  value=":5066"\/>-->.*$/\t<param name="ws-binding"  value=":5066"\/>/g' $FREESWITCH_EXTERNAL

        PROTOCOL=$(cat /etc/bigbluebutton/nginx/sip.nginx |  sed -n '/proxy_pass/{s/.*proxy_pass [ ]*//;s/:.*//;p}')
        PORT=5066
        if [[ $PROTOCOL == "https" ]]; then
                PORT=7443
        fi
        sed -i "s/proxy_pass .*/proxy_pass $PROTOCOL:\/\/$IP:$PORT;/g" /etc/bigbluebutton/nginx/sip.nginx

	echo 
	echo "WebRTC audio enabled.  To apply settings to your server, do"
	echo 
	echo "   sudo bbb-conf --clean"
	echo 
}

disable_webrtc(){
	# Set 127.0.0.1 in FreeSWITCH
	sed -i "s@<X-PRE-PROCESS cmd=\"set\" data=\"local_ip_v4=.*\"/>@<X-PRE-PROCESS cmd=\"set\" data=\"local_ip_v4=127.0.0.1\"/>@g"  $FREESWITCH_VARS

	# Set 127.0.0.1 in red5 sip app. For flash client.
	sed -i "s/bbb.sip.app.ip=.*/bbb.sip.app.ip=127.0.0.1/g" /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties
	sed -i "s/freeswitch.ip=.*/freeswitch.ip=127.0.0.1/g" /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties

	# Disable WebRTC in the client
        sed -i "s@useWebRTCIfAvailable=\".*\"@useWebRTCIfAvailable=\"false\"@g" /var/www/bigbluebutton/client/conf/config.xml

	# Disable port 5066 in FreeSWITCH
	sed -i 's/^.*<param name="ws-binding"  value=":5066"\/>.*$/\t<!--<param name="ws-binding"  value=":5066"\/>-->/g' $FREESWITCH_EXTERNAL

        PROTOCOL=$(cat /etc/bigbluebutton/nginx/sip.nginx |  sed -n '/proxy_pass/{s/.*proxy_pass [ ]*//;s/:.*//;p}')
        sed -i "s/proxy_pass .*/proxy_pass $PROTOCOL:\/\/127.0.0.1:5066;/g" /etc/bigbluebutton/nginx/sip.nginx

	echo 
	echo "WebRTC audio disabled.  To apply settings to your server, do"
	echo 
	echo "   sudo bbb-conf --clean"
	echo 
}


if [ $# -eq 0 ]; then
	usage
	exit 1
fi

# Parse the parameters
while [ $# -gt 0 ]; do
	if [ "$1" = "-stop" -o "$1" = "--stop" ]; then
		need_root
		stop_bigbluebutton
		exit 0
	fi

	if [ "$1" = "-start" -o "$1" = "--start" ]; then
		need_root
		start_bigbluebutton
		exit 0
	fi

	if [ "$1" = "-check" -o "$1" = "--check" -o "$1" = "-c" ]; then
		CHECK=1
		shift;shift 
		continue
	fi

	if [ "$1" = "--setup-samba" -o "$1" = "-setup-samba" ]; then
		SAMBA=1
		shift
		continue
	fi		

	if [ "$1" = "--version" -o "$1" = "-version" -o "$1" = "-v" ]; then
		VERSION=1
		shift
		continue
	fi		

	if [ "$1" = "--debug" -o "$1" = "-debug" -o "$1" = "-d" ]; then
		DEBUG=1
		shift
		continue
	fi

	if [ "$1" = "--clean" -o "$1" = "-clean" ]; then
		CLEAN=1
		shift
		continue
	fi

	if [ "$1" = "--watch" -o "$1" = "-watch" -o "$1" = "-w" ]; then
		WATCH=1
		shift
		continue
	fi

	if [ "$1" = "--network" -o "$1" = "-network" -o "$1" = "-n" ]; then
		NETWORK=1
		shift
		continue
	fi

	if [ "$1" = "--zip" -o "$1" = "-zip" -o "$1" = "-z" ]; then
		ZIP=1
		shift
		continue
	fi

	if [ "$1" = "--status" -o "$1" = "-status" ]; then
                display_bigbluebutton_status
		exit 0
        fi

	if [ "$1" = "--restart" -o "$1" = "-restart" ]; then
                RESTART=1
                shift
                continue
        fi

	if [ "$1" = "--enablewebrtc" -o "$1" = "-enablewebrtc" ]; then
		need_root
		enable_webrtc
		exit 0
        fi

	if [ "$1" = "--disablewebrtc" -o "$1" = "-disablewebrtc" ]; then
		need_root
		disable_webrtc
		exit 0
        fi

	#
	# all other parameters requires at least 1 argument
	#
	
	if [ "$1" = "-setip" -o "$1" = "--setip" ]; then
		HOST="${2}"
		if [ -z "$HOST" ]; then
			echo "HOST IP=$IP"
		fi

		if echo $HOST|grep -q ":"; then
			HOST=`echo ${2}|cut -d: -f1`
		fi
		shift; shift
		continue
	fi		
	
	if [ "$1" = "--salt" -o "$1" = "-salt" -o "$1" = "--setsalt" -o "$1" = "--secret" -o "$1" = "-secret"  -o "$1" = "--setsecret" ]; then
		SALT="${2}"
		if [ -z "$SALT" ]; then
			BBB_WEB_URL=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*=//;p}')
			SECRET=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | grep securitySalt | cut -d= -f2);
			echo
			echo "       URL: $BBB_WEB_URL/bigbluebutton/"
			echo "    Secret: $SECRET"
			echo
			exit 0
		fi
		shift; shift
		continue
	fi

	if [ "$1" = "--lti" -o "$1" = "-lti" ]; then
		if [ -z "$SALT" ]; then
			if [ -f ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties ]; then
				LTI_URL='http://'$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties | grep -v '#' | sed -n '/^ltiEndPoint/{s/^.*=//;p}')'/lti/tool'
				CUSTOMER=$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties | grep -v '#' | sed -n '/^ltiConsumer/{s/^.*=//;s/:.*//p}')
				SECRET=$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties | grep -v '#' | sed -n '/^ltiConsumer/{s/^[^:]*://;p}')
				echo
				echo "       URL: $LTI_URL"
				echo "  Customer: $CUSTOMER"
				echo "    Secret: $SECRET"
				echo
				ICON_URL=$( echo $LTI_URL | sed 's/tool/images\/icon.ico/')
				echo "  Icon URL: $ICON_URL"
				echo
				echo
				exit 0
			fi
		fi
		shift; shift
		continue
	fi

	usage 
	exit 1
done


#
# Version 
#
if [ $VERSION ]; then
	echo 
	dpkg -l | grep bbb
	exit 0
fi


#
# Set Security Salt
# - Legacy
#

if [ $SALT ]; then
	need_root
	change_var_salt ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties securitySalt $SALT

	if [ -f /usr/local/bigbluebutton/bbb-webhooks/config_local.coffee ]; then
		sed -i "s|\(^[ \t]*config.bbb.sharedSecret[ =]*\).*|\1\"$SALT\"|g" /usr/local/bigbluebutton/bbb-webhooks/config_local.coffee
	fi

	if [ -f /usr/local/bigbluebutton/bbb-webhooks/extra/post_catcher.js ]; then
		sed -i "s|\(^[ \t]*var shared_secret[ =]*\)[^;]*|\1\"$SALT\"|g" /usr/local/bigbluebutton/bbb-webhooks/extra/post_catcher.js
	fi

        if [ -f /usr/share/bbb-apps-akka/conf/application.conf ]; then
                sed -i "s/sharedSecret[ ]*=[ ]*\"[^\"]*\"/sharedSecret=\"$SALT\"/g" \
                        /usr/share/bbb-apps-akka/conf/application.conf
        fi

	echo "Changed BigBlueButton's shared secret to $SALT"
	echo
fi

#
# Setup samba
#

if [ $SAMBA ]; then
	check_root

        #
        # Instal Samba
        #
        if ! dpkg-query -s samba > /dev/null 2>&1; then
                sudo apt-get install -y --force-yes samba ant
        fi

        #
        # Add a share to samba
        #
        if ! grep -q $USER /etc/samba/smb.conf; then

                echo ";
; BigBlueButton: Share the development directory
[$USER]
   comment = BigBlueButton Development share
   path = /home/$USER
   browseable = yes
   read only = no
   create mask = 0755
   directory mask = 0775
   guest ok = yes
   force user = $USER
" | sudo tee -a /etc/samba/smb.conf > /dev/null 2>&1

                sudo /etc/init.d/smbd restart

        echo "
You can now access your development folder through:

        \\\\${IP}\\$USER

If you are running a development environment on Windows (such as using Eclipse or FlexBuilder),
you can map the above path to a drive letter.
"
        else
                echo "Already detected a definition for $USER in /etc/samba/smb.conf"
                echo "No changes were made to /etc/samba/smb.conf"
        fi
fi


check_configuration() {
	#
	# Check that freeswtich ESL matches the value in bigbluebutton.properties
	#
	if [ -f $FREESWITCH_EVENT_SOCKET ]; then 
		FREESWITCH_ESL_IP=$(cat $FREESWITCH_EVENT_SOCKET | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
		check_no_value event_socket $FREESWITCH_EVENT_SOCKET $FREESWITCH_ESL_IP

		ESL_HOST=$(cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties | grep -v '#' | grep esl.host | sed 's/freeswitch.esl.host=//g')
		check_no_value esl.host /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties $ESL_HOST

                if [ "$FREESWITCH_ESL_IP" != "::" ]; then
                    if [ "$FREESWITCH_ESL_IP" != "$ESL_HOST" ]; then
			echo 
			echo "# The values for listen-ip in   "
			echo "#     $FREESWITCH_EVENT_SOCKET"
			echo "# do not match the settings for esl.host in"
			echo "#     /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties"
			echo 
                    fi
		fi
	fi


	#
	# Check if BigBlueButto is defined in Nginx
	#
	if [ ! -L /etc/nginx/sites-enabled/bigbluebutton ]; then
        	echo "# Nginx: BigBlueButton appears to be disabled"
        	echo "         - no symbolic link in /etc/nginx/sites-enabled/bigbluebutton to /etc/nginx/sites-available/bigbluebutton "
	fi
	
	#
	# Look for properties with no values set
	#
	CONFIG_FILES="$RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties \
	${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties \
	$RED5_DIR/webapps/sip/WEB-INF/bigbluebutton-sip.properties"

	for file in $CONFIG_FILES ; do
	 	if [ ! -f $file ]; then	
		 	echo "# Error: File not found: $file"
		else
                        if cat $file | grep -v redis.pass | grep -q "^[^=]*=[ ]*$"; then
        			echo "# The following properties in $file have no value:"
        			echo "#     $(grep '^[^=#]*=[ ]*$' $file | sed 's/=//g')"
			fi
		fi
	done

	#
	# Check that the supporting applications are installed
	#
	VARFolder=$(cat $SERVLET_DIR/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep swfToolsDir | cut -d= -f2)
	files="pdf2swf jpeg2swf png2swf"
	for file in $package; do
		if [ ! -x $VARFolder/$file ]; then
			echo "# $file is not installed in $VARFolder"
		fi
	done

	VARFolder=$(cat $SERVLET_DIR/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep imageMagickDir | cut -d= -f2)
	if [ ! -x $VARFolder/convert ]; then
			echo "# ImageMagick's convert is not installed in $VARFolder"
	fi

	VARFolder=$(cat $SERVLET_DIR/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep ghostScriptExec | cut -d= -f2)
	if [ ! -x $VARFolder ]; then
			echo "# Ghostscript is not installd in $VARFolder"
	fi

	#
	# Check if the IP resolves to a different host
	#
 	NGINX_IP=$(cat /etc/nginx/sites-available/bigbluebutton | grep -v '#' | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}' | cut -d' ' -f1)
 	check_no_value server_name /etc/nginx/sites-available/bigbluebutton $NGINX_IP
 
	if which host > /dev/null 2>&1; then	
		HOSTS=$(which host)
		if [ $HOSTS ]; then
			HOSTS=`$HOSTS $NGINX_IP | awk '{ print $4 }'`
		fi
	fi

	if [ "$IP" != "$NGINX_IP" ]; then
		if [ "$IP" != "$HOSTS" ]; then
			echo "# IP does not match:"
			echo "#                           IP from ifconfig: $IP"
			echo "#   /etc/nginx/sites-available/bigbluebutton: $NGINX_IP"
		fi
	fi


	if [ -f ${SERVLET_DIR}/demo/bbb_api_conf.jsp ]; then	
		#
		# Make sure the salt for the API matches the server
		#
		SALT_PROPERTIES=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | tr -d '\r' | sed -n '/securitySalt/{s/.*=//;p}')
		SALT_DEMO=$(cat ${SERVLET_DIR}/demo/bbb_api_conf.jsp | grep -v '^//' | tr -d '\r' | sed -n '/salt[ ]*=/{s/.*=[ ]*"//;s/".*//g;p}')

		if [ "$SALT_PROPERTIES" != "$SALT_DEMO" ]; then
			echo "# Warning: API Salt mismatch: "
			echo "#  ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties  = $SALT_PROPERTIES"
			echo "#  ${SERVLET_DIR}/demo/bbb_api_conf.jsp                                   = $SALT_DEMO"
			echo 
		fi

		API_IP=$(cat ${SERVLET_DIR}/demo/bbb_api_conf.jsp | grep -v '^//' | sed -n '/String BigBlueButtonURL/{s/.*http[s]*:\/\///;s/\/.*//;p}' | tr -d '\015')
		if [ "$IP" != "$API_IP" ]; then
			echo "# Warning: API URL IPs do not match host:"
			echo "#"
			echo "#                                IP from ifconfig: $IP"
			echo "#  ${SERVLET_DIR}/demo/bbb_api_conf.jsp: $API_IP"
			echo
		fi
	fi

	BBB_SALT=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | tr -d '\r' | sed -n '/securitySalt/{s/.*=//;p}')
	NGINX_IP=$(cat /etc/nginx/sites-available/bigbluebutton | grep -v '#' | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}' | cut -d' ' -f1)

	if [ -f /usr/local/bigbluebutton/bbb-webhooks/config_local.coffee ]; then
		WEBHOOKS_SALT=$(cat /usr/local/bigbluebutton/bbb-webhooks/config_local.coffee | grep '^[ \t]*config.bbb.sharedSecret[ =]*' | cut -d '"' -f2)
		
		if [ "$BBB_SALT" != "$WEBHOOKS_SALT" ]; then
			echo "# Warning: Webhooks API Salt mismatch: "
			echo "#  ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties = $BBB_SALT"
			echo "#  /usr/local/bigbluebutton/bbb-webhooks/config_local.coffee                       = $WEBHOOKS_SALT"
			echo
		fi
		
		WEBHOOKS_PROXY_PORT=$(cat /etc/bigbluebutton/nginx/webhooks.nginx | grep -v '#' | grep '^[ \t]*proxy_pass[ \t]*' | sed 's|.*http[s]\?://[^:]*:\([^;]*\);.*|\1|g')
		WEBHOOKS_APP_PORT=$(cat /usr/local/bigbluebutton/bbb-webhooks/config_local.coffee | grep '^[ \t]*config.server.port[ =]*' | cut -d '=' -f2 | xargs)

		if [ "$WEBHOOKS_PROXY_PORT" != "$WEBHOOKS_APP_PORT" ]; then
			echo "# Warning: Webhooks port mismatch: "
			echo "#  /etc/bigbluebutton/nginx/webhooks.nginx                   = $WEBHOOKS_PROXY_PORT"
			echo "#  /usr/local/bigbluebutton/bbb-webhooks/config_local.coffee = $WEBHOOKS_APP_PORT"
			echo
		fi
	fi

	if [ -f ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties ]; then
                LTI_SALT=$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties | grep -v '#' | tr -d '\r' | sed -n '/^bigbluebuttonSalt/{s/.*=//;p}')
                BBB_SALT=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | tr -d '\r' | sed -n '/securitySalt/{s/.*=//;p}')

		if [ "$LTI_SALT" != "$BBB_SALT" ]; then
			echo "# Warning: LTI shared secret (salt) mismatch:"
			echo "#  ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties                      = $LTI_SALT"
			echo "#  ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties  = $BBB_SALT"
			echo 
		fi
	fi

        PROTOCOL=$(cat /etc/bigbluebutton/nginx/sip.nginx |  sed -n '/proxy_pass/{s/.*proxy_pass [ ]*//;s/:.*//;p}')
        if [[ $PROTOCOL == "https" ]]; then
                if ! grep wss-binding $FREESWITCH_EXTERNAL > /dev/null; then
			echo "# Warning: Websockets is using HTTPS in /etc/bigbluebutton/nginx/sip.nginx"
			echo "# but no definition for wss-binding found in "
			echo "#"
			echo "#    $FREESWITCH_EXTERNAL"
			echo 
		fi
                if grep ws-binding $FREESWITCH_EXTERNAL > /dev/null; then
                        echo "# Warning: You have configured SSL, but FreeSWITCH is still listening"
                        echo "# on port 5066.  You should edit "
                        echo "#"
                        echo "#    $FREESWITCH_EXTERNAL"
                        echo "#"
                        echo "# and remove the line that contains ws-binding."
                        echo
                fi
	fi

	if [ $DISTRIB_ID != "centos" ]; then
          libreoffice_version=`dpkg-query -W --showformat='${Version}\n' libreoffice | sed 's/.*://g' | sed 's/\.[^\.]*$//g'`
		if [[ "$libreoffice_version" > 1.0 ]]; then
		    if [[ "$libreoffice_version" < 4.4 ]]; then
			echo "# Warning: Detected your running an older version of LibreOffice: $libreoffice_version"
			echo "#"
			echo "# Recommend updated to the latest version of LibreOffice 4.x (4.4 or later)"
			echo
		    fi
		fi
	fi

        if [ "$(ls -ld /var/bigbluebutton/screenshare | cut -d' ' -f3)" != "red5" ]; then
                echo "# Warning: Detected the directory"
                echo "#    /var/bigbluebutton/screenshare"
                echo "# is not owned by red5"
        fi
		
        if [ "$(ls -ld /usr/share/red5/webapps/video/streams | cut -d' ' -f3)" != "red5" ]; then
                echo "# Warning: Detected the directory"
                echo "#    /usr/share/red5/webapps/video/streams"
                echo "# is not owned by red5"
        fi
		
        if [ "$(ls -ld /var/freeswitch/meetings | cut -d' ' -f3)" != "freeswitch" ]; then
                echo "# Warning: Detected the directory"
                echo "#    /var/freeswitch/meetings"
                echo "# is not owned by freeswitch"
        fi

        if [ "$(ls -ld /var/bigbluebutton | cut -d' ' -f3)" != $TOMCAT_USER ]; then
                echo "# Warning: Detected the directory"
                echo "#    /var/bigbluebutton"
                echo "# is not owned by $TOMCAT_USER"
        fi

        if [ $PROTOCOL_HTTP == "https" ]; then
            if ! grep jnlpUrl /usr/share/red5/webapps/screenshare/WEB-INF/screenshare.properties | grep -q https; then
                echo "# Warning: Detected the value for jnlpUrl is not configured for HTTPS"
                echo "#    /usr/share/red5/webapps/screenshare/WEB-INF/screenshare.properties"
                echo "#"
            fi
        fi
}


check_state() {
	echo 
	print_header
	check_configuration

	#
	# Check for potential problems in the BigBlueButton configuration
	#

	RUNNING_APPS=""
	NOT_RUNNING_APPS=""

	if ! ps aux | grep -v grep | grep 'org.red5.server.Bootstrap' > /dev/null; then
		print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} red5"
	else
		RUNNING_APPS="${RUNNING_APPS} red5"
	fi	

	if [ -a $FREESWITCH_PID ]; then
		if ! ps aux | grep -v grep | grep '[/]opt/freeswitch/bin/freeswitch' > /dev/null; then
			print_header
			NOT_RUNNING_APPS="${NOT_RUNNING_APPS} freeswitch"
		else
			RUNNING_APPS="${RUNNING_APPS} freeswitch"
		fi
	fi

	if ! ps aux | grep -v grep | grep '[/]usr/sbin/nginx' > /dev/null; then
		print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} Nginx"
	else
		RUNNING_APPS="${RUNNING_APPS} Nginx"
	fi	

	if ! netstat -ant | grep '8080' > /dev/null; then
		print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} ${SERVLET_CONTAINER} or grails"
	else 
		if ps aux |  ps -aef | grep -v grep | grep grails | grep run-app > /dev/null; then
			print_header
			RUNNING_APPS="${RUNNING_APPS} Grails"
        		echo "#   ${SERVLET_CONTAINER}: 	noticed you are running grails run-app instead of ${SERVLET_CONTAINER}"
		else
			RUNNING_APPS="${RUNNING_APPS} ${SERVLET_CONTAINER}"
		fi
	fi

	if ! netstat -ant | grep '8100' > /dev/null; then
                print_header
		NOT_RUNNING_APPS="${NOT_RUNNING_APPS} LibreOffice"
	else
		RUNNING_APPS="${RUNNING_APPS} LibreOffice"
        fi  

        if ! ps aux | grep -v grep | grep '[/]usr/[s]*bin/redis-server' > /dev/null; then
                print_header
                NOT_RUNNING_APPS="${NOT_RUNNING_APPS} redis-server"
        else
                RUNNING_APPS="${RUNNING_APPS} redis-server"
        fi

	if [ "$NOT_RUNNING_APPS" != "" ]; then
		echo "# Not running: ${NOT_RUNNING_APPS}"
	fi


	#
	# Check if running development environment
	#
	if ! grep /var/www/bigbluebutton /etc/bigbluebutton/nginx/client.nginx > /dev/null; then
		NEW_LOCATION=$(cat  /etc/bigbluebutton/nginx/client.nginx  | grep -v '#' | sed -n '/root/{s/[ \t]*root[ \t]*//;s/;//;p}' | head -n 1)
		echo "# Warning: nginx is not serving the client from /var/www/bigbluebutton/."
		echo "# Instead, it's being served from"
		echo "#"
		echo "#    $NEW_LOCATION"
		echo "#"
		echo "# (This is OK if you have setup a development environment.) "
		echo

		if [ ! -d $NEW_LOCATION ]; then
			echo "# Warning: The directory"
			echo "#"
			echo "#    $NEW_LOCATION"
			echo "#"
			echo "# does not exist.  The BigBlueButton client will not load."
			echo
		fi
	fi

	#
	# Check if running development environment
	#
	if ! grep 8080 /etc/bigbluebutton/nginx/web.nginx > /dev/null; then
		echo "# Warning: nginx is not serving BigBlueButton's web application"
		echo "# from port 8080"
		echo "#"
		echo "# (This is OK if you have setup a development environment.) "
		echo
	fi


	#
	# Check red5 applications
	#
	AVAIL_RED5_APPS=""
	UNAVAIL_RED5_APPS=""
	DIRECTORIES="bigbluebutton sip video screenshare"
	for dir in $DIRECTORIES ; do
		if [ ! -d $RED5_DIR/webapps/$dir ]; then
			UNAVAIL_RED5_APPS="${UNAVAIL_RED5_APPS} $dir"
		else
			AVAIL_RED5_APPS="${AVAIL_RED5_APPS} $dir"
		fi
	done

	if [ "$UNAVAIL_RED5_APPS" != "" ]; then
		echo "# Unavailable red5 apps ($RED5_DIR/webapps/): ${UNAVAIL_RED5_APPS}"
	fi


	#
	# Checking red5 apps log
	#

        # Give the files a chance to be created (in case we got started with a clean)
        COUNT=0
        while [ $COUNT -lt 20 ]; do
          let COUNT=COUNT+1
          if [ -f $RED5_DIR/log/sip.log ] && [ -f $RED5_DIR/log/bigbluebutton.log ] && [ -f $RED5_DIR/log/red5.log ] && [ -f $RED5_DIR/log/video.log ] && [ -f $RED5_DIR/log/screenshare-slf.log ]; then
            let COUNT=20
          else
            echo -n "."
            sleep 1
          fi
        done

	RED5_LOG_FILES="bigbluebutton red5 sip video screenshare-slf"
	AVAIL_RED5_LOG=""
	UNAVAIL_RED5_LOG=""
	for file in $RED5_LOG_FILES ; do
		if [ ! -f $RED5_DIR/log/$file.log ]; then
			UNAVAIL_RED5_LOG="${UNAVAIL_RED5_LOG} $file.log"
		else
			AVAIL_RED5_LOG="${AVAIL_RED5_LOG} $file.log"
		fi
	done

	if [ "$UNAVAIL_RED5_LOG" != "" ]; then
		echo "# Error: Red5 log files not found"
		echo
		echo "# Unavailable red5 logs ($RED5_DIR/log): $UNAVAIL_RED5_LOG"
		echo
	fi

	#
	# Check FreeSWITCH
	#

	if grep -q "Thread ended for mod_event_socket" /opt/freeswitch/var/log/freeswitch/freeswitch.log; then
		echo
		echo "# Error: Found text in freeswitch.log:"
		echo "#"
		echo "#    Thread ended for mod_event_socket"
		echo "#"
		echo "# FreeSWITCH may not be responding to requests on port 8021 (event socket layer)"
		echo "# and users may have errors joining audio."
		echo "#"
	fi

	#
	# Check FreeSWITCH
	#

	if ! echo "/quit" | /opt/freeswitch/bin/fs_cli - > /dev/null 2>&1; then
		echo
                echo "#"
                echo "# Error: Unable to connect to the FreeSWITCH Event Socket Layer on port 8021"
                echo "#"
	fi


	#
	# Check for required external commands
	#
	COMMANDS="ruby gem ghostscript pdf2swf"
	for cmd in $COMMANDS ; do
		if ! which $cmd > /dev/null 2>&1; then
			echo "#    $cmd command not found"
		fi
	done

	#
	# Check if ffmpeg is installed, and whether it is a supported version
	#
	FFMPEG_VERSION=$(ffmpeg -version 2>/dev/null | grep ffmpeg | cut -d ' ' -f3)
	case "$FFMPEG_VERSION" in
	2.8.*)
		# This is the current supported version; OK.
		;;
	'')
		echo "# Warning: No ffmpeg version was found on the system"
		echo "#          Recording processing will not function"
		echo
		;;
	*)
		echo "# Warning: The installed ffmpeg version '${FFMPEG_VERSION}' is not supported"
		echo "#          Recording processing may not function correctly"
		echo
		;;
	esac


	if [ -f /usr/share/red5/log/sip.log ]; then
		#
		# Checking if voice app registered successfully
		#
        	if cat /usr/share/red5/log/sip.log | grep -q "Failed to register with Sip Server"; then
                	echo "# Warning: The voice application may not have registered with the sip server."
                	echo "#   Try running: "
                	echo "#"
                	echo "#      sudo bbb-conf --clean"
                	echo "#"
        		echo 
		fi

		#	
		# check if sip.log has warnings where the user is not registered.  
		#

		if cat /usr/share/red5/log/sip.log | tail -n1 | grep -q "Call request for default but not registered"; then
			echo "# Error: The voice app is not registered with SIP server. Audio might not be working correctly."
        		echo 
		fi
	else
		echo "# Error: The following log file was not found"
		echo "#   /usr/share/red5/log/sip.log "
        	echo 
        fi

	#
	# Check that the servlet container has started properly and has created log files
	#
	if [ -z "$(ls -A $SERVLET_LOGS)" ]; then
        	echo "#                     empty directory: $SERVLET_LOGS contains no logs"
	fi

	#
	# Check that bigbluebutton in red5 has started properly (less than 100 lines indicates that it
	# didn't start)
	# 
	if [ -f $RED5_DIR/log/bigbluebutton.log ]; then
		BBB_RED5_LOG=$(stat -c%s $RED5_DIR/log/bigbluebutton.log)
		if [ $BBB_RED5_LOG -lt 100 ]; then
        		echo "#       Log file too short (less than 100 lines): $RED5_DIR/log/bigbluebutton.log (red5)"
		fi
	else
		echo "#      No $RED5_DIR/log/bigbluebutton.log"
	fi

	#
	# Check if the user is running their own bbb-web
	#
	if grep -q 8888 /etc/bigbluebutton/nginx/web.nginx; then
		if ! netstat -ant | grep '8888' > /dev/null; then
			echo "# Warning: There is no application server listening to port 8888."
			echo 
		fi
	fi	


	#
	# Check if the local server can access the API.  This is a common problem when setting up BigBlueButton behind
	# a firewall
	#
        BBB_WEB=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
 	check_no_value server_name /etc/nginx/sites-available/bigbluebutton $BBB_WEB

        COUNT=0
        while [ $COUNT -lt 20 ]; do
          let COUNT=COUNT+1
	  timeout 1s wget $PROTOCOL_HTTP://$BBB_WEB/bigbluebutton/api -O - --quiet | grep -q SUCCESS
	  if [ $? -eq 0 ]; then
            let COUNT=30
          else
            echo -n "."
            sleep 1
          fi
        done
	echo

        if ! wget $PROTOCOL_HTTP://$BBB_WEB/bigbluebutton/api -O - --quiet | grep -q SUCCESS; then
                echo "# Error: Could not connect to the configured hostname/IP address"
                echo "#"
                echo "#    $PROTOCOL_HTTP://$BBB_WEB/"
                echo "#"
                echo "# If your BigBlueButton server is behind a firewall, see FAQ."
                echo
        fi

	#
	# Check that BigBlueButton can connect to port 1935
	#
	if [ ! -z $NGINX_IP ]; then
		if ! nc -z -w 3 $NGINX_IP 1935 > /dev/null; then
			echo "# Error: Unable to connect to port 1935 (RTMP) on $NGINX_IP"
			echo 
		fi
	fi


	BBB_SIP_APP_IP=$(cat /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties | grep -v '#' | sed -n '/^bbb.sip.app.ip=/{s/.*=//;s/;//;p}')
	if [ $BBB_SIP_APP_IP != "127.0.0.1" ]; then
		if [ "$BBB_SIP_APP_IP" != $IP ]; then
			echo "# Warning: The setting of $BBB_SIP_APP_IP for bbb.sip.app.ip in"
			echo "#"
			echo "#    /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties"
			echo "#"
			echo "# does not match the local IP address ($IP)."
			echo "# (This is OK if you've manually changed the values to an external "
			echo "# FreeSWITCH server.)"
			echo 
		fi

		SIP_IP=$(netstat -ant | grep 5060 | head -n1 | awk -F" " '{print $4}' | cut -d: -f1)
		if [ -z $SIP_IP ]; then
			echo "# Error: Could not detect FreeSWITCH listening on port 5060"
			echo 
		else
		    if [ "$BBB_SIP_APP_IP" != $SIP_IP ]; then
			echo "# Error: FreeSWITCH is listening on IP address $SIP_IP for SIP calls, but "
			echo "# The IP address ($BBB_SIP_APP_IP) set bbb.sip.app.ip."
			echo "#"
			echo 
		    fi
		fi
	fi

        SIP_NGINX_IP=$(cat /etc/bigbluebutton/nginx/sip.nginx |  grep -v '#' | sed -n '/proxy_pass/{s/.*proxy_pass http[s]*:\/\///;s/:.*//;p}')
        if [ "$SIP_NGINX_IP" != $IP ]; then
                echo "# Warning: The setting of $SIP_NGINX_IP for proxy_pass in"
                echo "#"
                echo "#    /etc/bigbluebutton/nginx/sip.nginx"
                echo "#"
                echo "# does not match the local IP address ($IP)."
                echo "# (This is OK if you've manually changed the values)"
                echo 
        fi

        VARS_IP=$(cat $FREESWITCH_VARS | sed -n '/"local_ip_v4/{s/.*local_ip_v4=//;s/".*//;p}')
        if [[ "$VARS_IP" != "127.0.0.1" ]] && [[ "$VARS_IP" != "auto" ]]; then
                if [ "$VARS_IP" != $IP ]; then
                        echo "# Warning: The setting of $VARS_IP for local_ip_v4 in"
                        echo "#"
                        echo "#    $FREESWITCH_VARS"
                        echo "#"
                        echo "# does not match the local IP address ($IP)."
                        echo "# (This is OK if you've manually changed the values)"
                        echo 
                fi
        fi

	if [ -d ${SERVLET_DIR}/lti ]; then
		if test ${SERVLET_DIR}/lti.war -nt ${SERVLET_DIR}/lti; then 
			echo "# Error: The updated lti.war did not deploy.  To manually deploy:"
			echo "#"
                        echo "#    sudo touch ${SERVLET_DIR}/lti.war"
			echo "#"
                        echo
		fi
	fi

	if [ -d ${SERVLET_DIR}/demo ]; then
		if test ${SERVLET_DIR}/demo.war -nt ${SERVLET_DIR}/demo; then 
			echo "# Error: The updated demo.war did not deploy.  To manually deploy:"
			echo "#"
                        echo "#    sudo touch ${SERVLET_DIR}/demo.war"
			echo "#"
                        echo
		fi
	fi

        if grep -q removeMeetingWhenEnded=false $SERVLET_DIR/bigbluebutton/WEB-INF/classes/bigbluebutton.properties; then
                echo "# Warning: In"
                echo "#"
                echo "#    $SERVLET_DIR/bigbluebutton/WEB-INF/classes/bigbluebutton.properties"
                echo "#"
                echo "# detected the setting"
                echo "#"
                echo "#    removeMeetingWhenEnded=false"
                echo "#"
                echo "# You should set this value to true.  It enables bbb-web to immediately purge a meeting from"
		echo "# memory when receiving an end API call.  Otherwise, users must wait about 2 minutes"
		echo "# request before creating a meeting with the same meetingID but with different parameters."
                echo
        fi

        if (( $MEM < 3940000 )); then
		echo "# Warning: You are running BigBlueButton on a server with less than 4G of memory.  Your"
		echo "# performance may suffer."
                echo
	fi

	if [ -f ${SERVLET_DIR}/demo/demo1.jsp ]; then
                BBB_WEB_URL=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*=//;p}')
		echo "# Warning: The API demos are installed and accessible from:"
		echo "#"
		echo "#    $BBB_WEB_URL/demo/demo1.jsp"
		echo "#"
		echo "# These API demos allow anyone to access your server without authentication"
		echo "# to create/manage meetings and recordings. They are for testing purposes only."
		echo "# If you are running a production system, remove them by running:"
		echo "#"
		echo "#    sudo apt-get purge bbb-demo"
		echo 
	fi

	if [ -f /var/www/bigbluebutton/check/conf/config.xml ]; then
		CHECK_HOST=$(cat /var/www/bigbluebutton/check/conf/config.xml  | grep "<uri>rtmp" | head -1 | sed  's/.*rtmp[s]*:\/\///g' | sed 's/\/.*//g' | tr -d '\015')
                BBB_WEB_URL=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*=//;p}')
		echo "# Warning: The client self check is installed and accessible from:"
		echo "#"
		echo "#    $BBB_WEB_URL/check"
		echo "#"
		echo 

	fi

	if [ -f ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties ]; then
		LTI_URL='http://'$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties | grep -v '#' | sed -n '/^ltiEndPoint/{s/^.*=//;p}')'/lti/tool'
		echo "# Warning: The IMS Learning Tools Integration (LTI) is accessible from:"
		echo "#"
		echo "#    $LTI_URL"
		echo "#"
		echo "# To get the access parameters for LTI, run the command"
		echo "#"
		echo "#    bbb-conf --lti"
		echo 
	fi

	BBB_WEB=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*=//;p}')
	DEFAULT_PDF=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^beans.presentationService.defaultUploadedPresentation/{s/.*=//;p}')
	if echo $DEFAULT_PDF | grep -q "bigbluebutton.web.serverURL"; then
        	if ! echo "$BBB_WEB$(echo $DEFAULT_PDF | sed 's/${bigbluebutton.web.serverURL}//g')" | xargs wget -q -O /dev/null; then
			echo "# Error: Unable to reach default URL for presentation:"
			echo "#"
			echo "#    $BBB_WEB$(echo $DEFAULT_PDF | sed 's/${bigbluebutton.web.serverURL}//g')"
			echo "#"
                	echo "# Check value for beans.presentationService.defaultUploadedPresentation in"
                	echo "#   ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties"
        	fi
	else
        	if ! echo "$DEFAULT_PDF" | xargs wget -q -O /dev/null; then
			echo "# Error: Unable to reach default URL for presentation"
			echo "#"
			echo "#    $DEFAULT_PDF"
			echo "#"
                	echo "# Check value for beans.presentationService.defaultUploadedPresentation in"
                	echo "#   ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties"
        	fi
	fi

	if [ -f /var/run/red5.pid ]; then
          RED5_PID_PS=$(ps -u red5 | grep java | sed 's/^[ ]*//g' | cut -d" " -f1)
          RED5_PID_FILE=$(cat /var/run/red5.pid)
          if [[ "$RED5_PID_PS" != "$RED5_PID_FILE" ]]; then
            if [ "$(ps -aef | grep "su -p -s /bin/sh red5 " | wc --lines)" == "2" ]; then
                RED5_PID_PS=$(ps -aef | grep "su -p -s /bin/sh red5 " | head -n 1 | awk '{print $2}')
                if [[ "$RED5_PID_PS" != "$RED5_PID_FILE" ]]; then
                        echo "# Error: red5 process ID does not match value in PID file"
                        echo "#"
                        echo "#         pid from top: $RED5_PID_PS"
                        echo "#    /var/run/red5.pid: $RED5_PID_FILE"  
                        echo "#"
                fi
            else
                echo "# Error: red5 process ID does not match value in PID file"
                echo "#"
                echo "#         pid from top: $RED5_PID_PS"
                echo "#    /var/run/red5.pid: $RED5_PID_FILE"  
                echo "#"
            fi
          fi
        fi

	if [ "$(cat /usr/share/bbb-apps-akka/conf/application.conf | sed -n '/sharedSecret.*/{s/[^"]*"//;s/".*//;p}')" == "changeme" ]; then
	        BBB_WEB_IP=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
                echo "# Error: Detected that /usr/share/bbb-apps-akka/conf/application.conf has the default"
                echo "# configuration values.  To update, run"
                echo "#"
                echo "#    sudo bbb-conf --setip $BBB_WEB_IP"
                echo "#"
	fi

        if [ -z $(cat /usr/share/red5/webapps/screenshare/WEB-INF/screenshare.properties | tr -d '\r' | sed -n "/useH264[ ]*=[ ]*/{s/useH264[ ]*=[ ]*//;p}") ]; then
                echo "# Error: Detected there is no value set for useH264 in"
                echo "#"
                echo "#   /usr/share/red5/webapps/screenshare/WEB-INF/screenshare.properties"
                echo "#"
        fi

	exit 0
}


#
# Print out the status of the current setup and look for configuration issues
#
if [ $CHECK ]; then
	need_root
	
	echo 
        if [ $DISTRIB_ID == "centos" ]; then
          echo "BigBlueButton Server $BIGBLUEBUTTON_RELEASE ($(rpm -qa | grep bbb | grep -v bbb-demo | grep -v bbb-lti | grep -v bbb-redis | grep -v bbb-tomcat | grep -v freeswitch | sed 's/.*[0-9].[0-9].[0-9]-//g' | sed 's/\..*//g' | awk '{ sum+=$1} END {print sum}'))"
        else 
          echo "BigBlueButton Server $BIGBLUEBUTTON_RELEASE ($(dpkg -l | grep bbb | grep -v bbb-demo | grep -v bbb-lti | sed -n '/[0-9].[0-9].[0-9]-/{s/.*[0-9].[0-9].[0-9]-//;s/;//;p}' | awk '{ sum+=$1} END {print sum}'))"
	fi

	echo "                    Kernel version:" `uname -r`

        if [ $DISTRIB_ID == "centos" ]; then
                echo -n "                      Distribution: $(cat /etc/redhat-release)"
        else
                source /etc/lsb-release;
                echo -n "                      Distribution: $DISTRIB_DESCRIPTION "
        fi

	if [ `uname -m` == "x86_64" ]; then
		echo "(64-bit)"
	elif [ `uname -m` == "i686" ]; then
		echo "(32-bit)"
	fi

	echo "                            Memory: $MEM MB"

	echo
	echo "/var/www/bigbluebutton/client/conf/config.xml (bbb-client)"
	PORT_IP=$(cat /var/www/bigbluebutton/client/conf/config.xml | sed -n '/porttest /{s/.*host="//;s/".*//;p}')
	echo "  		Port test (tunnel): $PORT_IP"

	RED5_IP=$(cat /var/www/bigbluebutton/client/conf/config.xml | sed -n '/uri.*video/{s/.*rtmp[s]*:\/\///;s/\/.*//;p}')
	WEBRTC_ENABLED_CLIENT=$(grep -i useWebrtcIfAvailable /var/www/bigbluebutton/client/conf/config.xml | cut -d '"' -f2)
	echo "                              red5: $RED5_IP"
	echo "              useWebrtcIfAvailable: $WEBRTC_ENABLED_CLIENT"

        if grep -q ws-binding $FREESWITCH_EXTERNAL; then
          WEBRTC_SOCKET=$(sudo cat $FREESWITCH_EXTERNAL | sed -n '/ws-binding/{s/.*value="://;s/".*//;p}')
        fi
        if grep -q wss-binding $FREESWITCH_EXTERNAL; then
          WEBRTC_SOCKET=$(sudo cat $FREESWITCH_EXTERNAL | sed -n '/wss-binding/{s/.*value="://;s/".*//;p}')
        fi
	echo
	echo "$FREESWITCH_EXTERNAL (FreeSWITCH)"
	echo "                    websocket port: $WEBRTC_SOCKET"	
	WEBRTC_ENABLED=$(grep -i useWebrtcIfAvailable /var/www/bigbluebutton/client/conf/config.xml | cut -d '"' -f2)
	echo "                    WebRTC enabled: $WEBRTC_ENABLED"	

	echo
	echo "/etc/nginx/sites-available/bigbluebutton (nginx)"
	NGINX_IP=$(cat /etc/nginx/sites-available/bigbluebutton | grep -v '#' | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}' | cut -d' ' -f1)
	echo "                       server name: $NGINX_IP"

        PORT=$(cat /etc/nginx/sites-available/bigbluebutton | grep -v '#' | sed -n '/listen/{s/.*listen[ ]*//;s/;//;p}' | grep -v ssl | tr --delete '\n' | sed 's/\[/, \[/g' | sed 's/0$/0\n/g')
        echo "                              port: $PORT"
        if cat /etc/nginx/sites-available/bigbluebutton | grep -v '#' | sed -n '/listen/{s/.*listen[ ]*//;s/;//;p}' | grep ssl > /dev/null; then
          echo "                              port: 443 ssl"
        fi

	BBB_CLIENT_DOC_ROOT=$(cat /etc/bigbluebutton/nginx/client.nginx | grep -v '#' | grep \/client -A 1 | head -n 2 | grep root | sed -n '{s/[ \t]*root[ ]*//;s/;//;p}')
	echo "                    bbb-client dir: $BBB_CLIENT_DOC_ROOT"

	BBB_WEB_IP=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
	echo
	echo "${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties (bbb-web)"
	echo "                      bbb-web host: $BBB_WEB_IP"

	if [ -f ${SERVLET_DIR}/demo/bbb_api_conf.jsp ]; then
		BBB_WEB_URL=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
		echo
		echo "${SERVLET_DIR}/demo/bbb_api_conf.jsp (API demos)"
		echo "                               url: $BBB_WEB_URL"
	fi

	if [ -f ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties ]; then
		LTI_URL=$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties | grep -v '#' | sed -n '/^bigbluebuttonURL/{s/.*http[s]:\/\///;s/\/.*//;p}' | tr -d '\015')
		echo
		echo "${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties (LTI integration)"
		echo "                           api url: $LTI_URL"
	fi

	if [ -f /var/www/bigbluebutton/check/conf/config.xml ]; then
		CHECK_URL=$(cat /var/www/bigbluebutton/check/conf/config.xml  | grep "<uri>rtmp" | head -1 | sed  's/.*rtmp[s]*:\/\///g' | sed 's/\/.*//g' | tr -d '\015')
		echo
		echo "/var/www/bigbluebutton/check/conf/config.xml (client check)"
		echo "                      client check: $CHECK_URL"
	fi

	CONFERENCING_MODULE="FreeSWITCH"

	echo
	echo "/usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml (red5)"
	echo "                  voice conference: $CONFERENCING_MODULE"

	if [ -f /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml ]; then
		PLAYBACK_IP=$(cat /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml | grep -v '#' | sed -n '/^playback_host/{s/.*:[ ]*//;s/;//;p}' | tail -n 1)
		echo
		echo "/usr/local/bigbluebutton/core/scripts/bigbluebutton.yml (record and playback)"
		echo "                     playback host: $PLAYBACK_IP"
	fi

	check_state
	echo

	exit 0
fi

#
# Check current setup
#
if [ $ZIP ]; then
	need_root

	LOG_FILE="$(date +'%Y%m%d')-$(date +%H)"
	#
	# Check log files
	#
	rm -f /tmp/$LOG_FILE.tar
	rm -f /tmp/$LOG_FILE.tar.gz
	rm -f /tmp/a

	touch /tmp/empty
	tar cf  /tmp/$LOG_FILE.tar /tmp/empty				> /dev/null 2>&1
	tar rfh /tmp/$LOG_FILE.tar $RED5_DIR/log			> /dev/null 2>&1
	tar rfh /tmp/$LOG_FILE.tar $SERVLET_LOGS			> /dev/null 2>&1
	tar rf  /tmp/$LOG_FILE.tar /var/log/bigbluebutton/*	> /dev/null 2>&1
	tar rf  /tmp/$LOG_FILE.tar /var/log/bbb-apps-akka	> /dev/null 2>&1
	tar rf  /tmp/$LOG_FILE.tar /var/log/bbb-fsesl-akka	> /dev/null 2>&1
	tar rf  /tmp/$LOG_FILE.tar /var/log/nginx/error.log	> /dev/null 2>&1
	if [ $DISTRIB_ID == "ubuntu" ]; then
		tar rf /tmp/$LOG_FILE.tar /var/log/syslog		> /dev/null 2>&1
	fi

	tar tf /tmp/$LOG_FILE.tar
	gzip /tmp/$LOG_FILE.tar
	mv /tmp/$LOG_FILE.tar.gz /root/$LOG_FILE.tar.gz
	echo
	echo "  Created: /root/$LOG_FILE.tar.gz"
	echo
fi

#
# Check current setup
#
if [ $DEBUG ]; then
	need_root
	#
	# Check log files
	#

	rm -rf /tmp/t
	grep --directories=skip ERROR /var/log/bigbluebutton/* > /tmp/t
	if [ -s /tmp/t ]; then
		echo "  -- ERRORS found in /var/log/bigbluebutton/* -- "
		cat /tmp/t
		echo
	fi

	rm -rf /tmp/t
	grep --directories=skip Exception /var/log/bigbluebutton/* | grep -v CacheExceptionHandlerFactory > /tmp/t
        if [ -s /tmp/t ]; then
                echo "  -- ERRORS found in /var/log/bigbluebutton/* -- "
                cat /tmp/t
                echo
        fi


	rm -rf /tmp/t
	grep --directories=skip ERROR $RED5_DIR/log/* > /tmp/t 
	if [ -s /tmp/t ]; then
		echo "   -- ERRORS found in $RED5_DIR/log/* -- "
		cat /tmp/t
 		echo
	fi


	rm -rf /tmp/t
	grep --directories=skip Exception $RED5_DIR/log/* > /tmp/t 
	if [ -s /tmp/t ]; then
		echo "   -- Exceptions found in $RED5_DIR/log/* -- "
		cat /tmp/t
		echo
	fi


	rm -rf /tmp/t
	sudo grep --directories=skip Exception $SERVLET_LOGS/* | grep -v CacheExceptionHandlerFactory > /tmp/t 
	if [ -s /tmp/t ]; then
		echo "   -- Exceptions found in $SERVLET_LOGS/ -- "
		cat /tmp/t
		echo
	fi

        rm -rf /tmp/t
        if [ -s /var/log/nginx/error.log ]; then
                cat /var/log/nginx/error.log | grep -v "/fcs/ident2" > /tmp/t
                if [ -s /tmp/t ]; then
                        echo "   -- Errors found in /var/log/nginx/error.log -- "
                        cat /tmp/t
                        echo
                fi
        fi

	if [ $DISTRIB_ID == "Ubuntu" ]; then
		rm -rf /tmp/t
		sudo grep --directories=skip -i exception /var/log/syslog > /tmp/t 
		if [ -s /tmp/t ]; then
			echo "   -- Errors found in /var/log/syslog -- "
			cat /tmp/t
			echo
		fi
	fi

	rm -rf /tmp/t
	if [ -d /var/log/bigbluebutton ]; then
		  sudo grep --directories=skip ERROR /var/log/bigbluebutton/* > /tmp/t 
		  if [ -s /tmp/t ]; then
			echo "   -- Errors found in /var/log/bigbluebutton -- "
			cat /tmp/t
			echo
		  fi
	fi

	rm -rf /tmp/t
	if [ -d /var/log/bigbluebutton ]; then
		  sudo grep --directories=skip -i exception /var/log/bigbluebutton/* > /tmp/t 
		  if [ -s /tmp/t ]; then
			echo "   -- Exceptions found in /var/log/bigbluebutton -- "
			cat /tmp/t
			echo
		  fi
	fi

	#
	# Additional checks for record and playback
	#

        if [ -f /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml ]; then
		bbb-record --check
	fi

	exit 0
fi



# if asked to print the version that's all we do
if [ -n "$HOST" ]; then
	#
	# Just use the IP for port test in /var/www/bigbluebutton/client/conf/config.xml
	#
	echo "Assigning $HOST for testing for firewall in /var/www/bigbluebutton/client/conf/config.xml"
	sudo sed -i "s/porttest host=\(\"[^\"]*\"\)/porttest host=\"$HOST\"/g" /var/www/bigbluebutton/client/conf/config.xml

	echo "Assigning $HOST for rtmp:// in /var/www/bigbluebutton/client/conf/config.xml"
	sudo sed -i "s/rtmp[s]*:\/\/\([^\"\/]*\)\([\"\/]\)/$PROTOCOL_RTMP:\/\/$HOST\2/g" /var/www/bigbluebutton/client/conf/config.xml

	echo "Assigning $HOST for servername in /etc/nginx/sites-available/bigbluebutton"
	sudo sed -i "s/server_name  .*/server_name  $HOST;/g" /etc/nginx/sites-available/bigbluebutton

	#
	# Update configuration for BigBlueButton client
	#
	echo "Assigning $HOST for http[s]:// in /var/www/bigbluebutton/client/conf/config.xml"
	sudo sed -i "s/http[s]*:\/\/\([^\"\/]*\)\([\"\/]\)/$PROTOCOL_HTTP:\/\/$HOST\2/g"  /var/www/bigbluebutton/client/conf/config.xml

        echo "Assigning $HOST for publishURI in /var/www/bigbluebutton/client/conf/config.xml"
        sudo sed -i "s/publishURI=\"[^\"]*\"/publishURI=\"$HOST\"/" /var/www/bigbluebutton/client/conf/config.xml

	#
	# Update configuration for BigBlueButton web app
	#
	echo "Assigning $HOST for web application URL in ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties"

	sudo sed -i "s/bigbluebutton.web.serverURL=http[s]*:\/\/.*/bigbluebutton.web.serverURL=$PROTOCOL_HTTP:\/\/$HOST/g" \
				${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties

	change_var_value /usr/share/red5/webapps/screenshare/WEB-INF/screenshare.properties streamBaseUrl rtmp://$HOST/screenshare
	change_var_value /usr/share/red5/webapps/screenshare/WEB-INF/screenshare.properties jnlpUrl $PROTOCOL_HTTP://$HOST/screenshare
	change_var_value /usr/share/red5/webapps/screenshare/WEB-INF/screenshare.properties jnlpFile $PROTOCOL_HTTP://$HOST/screenshare/screenshare.jnlp

	if ! grep -q server_names_hash_bucket_size /etc/nginx/nginx.conf; then
		sudo sed -i "s/gzip  on;/gzip  on;\n    server_names_hash_bucket_size  64;/g" /etc/nginx/nginx.conf
	fi

        #
        # Update bbb-apps-akka
        #
        echo "Assigning $HOST for web application URL in /usr/share/bbb-apps-akka/conf/application.conf"

        if [ -f /usr/share/bbb-apps-akka/conf/application.conf ]; then
                sed -i  "s/bbbWebAPI[ ]*=[ ]*\"[^\"]*\"/bbbWebAPI=\"${PROTOCOL_HTTP}:\/\/$HOST\/bigbluebutton\/api\"/g" \
                        /usr/share/bbb-apps-akka/conf/application.conf
                sed -i "s/bbbWebHost[ ]*=[ ]*\"[^\"]*\"/bbbWebHost=\"$HOST\"/g" \
                        /usr/share/bbb-apps-akka/conf/application.conf
                sed -i "s/deskshareip[ ]*=[ ]*\"[^\"]*\"/deskshareip=\"$HOST\"/g" \
                        /usr/share/bbb-apps-akka/conf/application.conf
                sed -i  "s/defaultPresentationURL[ ]*=[ ]*\"[^\"]*\"/defaultPresentationURL=\"${PROTOCOL_HTTP}:\/\/$HOST\/default.pdf\"/g" \
                        /usr/share/bbb-apps-akka/conf/application.conf
		# XXX Temporary fix to ensure application.conf has the latest shared secret
                SECRET=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | grep securitySalt | cut -d= -f2);
                sed -i "s/sharedSecret[ ]*=[ ]*\"[^\"]*\"/sharedSecret=\"$SECRET\"/g" \
                        /usr/share/bbb-apps-akka/conf/application.conf
        fi

	#
	# Update api demos
	#

	if [ -f ${SERVLET_DIR}/demo/bbb_api_conf.jsp ]; then
		echo "Assigning $HOST for api demos in ${SERVLET_DIR}/demo/bbb_api_conf.jsp"
		sudo sed -i "s/BigBlueButtonURL = \"http[s]*:\/\/\([^\"\/]*\)\([\"\/]\)/BigBlueButtonURL = \"$PROTOCOL_HTTP:\/\/$HOST\2/g" \
			${SERVLET_DIR}/demo/bbb_api_conf.jsp
	fi
	

	if [ -f ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties ]; then
		echo "Assigning $HOST for LTI integration in ${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties"
		# We don't wat to guess on http/https as the lti endpoint may be a different BigBlueButton server
        	sed -i "s/bigbluebuttonURL=http:\/\/.*/bigbluebuttonURL=http:\/\/$HOST\/bigbluebutton/g" \
                	${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties
        	sed -i "s/bigbluebuttonURL=https:\/\/.*/bigbluebuttonURL=https:\/\/$HOST\/bigbluebutton/g" \
                	${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties
        	sed -i "s/ltiEndPoint=.*/ltiEndPoint=$HOST/g" \
                	${SERVLET_DIR}/lti/WEB-INF/classes/lti-config.properties
	fi


	if [ -f /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml ]; then
		echo "Assigning $HOST for record and playback in /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml"
		change_yml_value /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml $redis_host playback_host $HOST
	fi

        echo -n "Assigning $HOST for playback of recordings: "
        for metadata in $(find /var/bigbluebutton/published -name metadata.xml); do
                echo -n "."
		# Ensure we update both types of URLs
                sed -i "/<link>/{s/http:\/\/\([^\"\/]*\)\/playback\/$type\([^<]\)/http:\/\/$HOST\/playback\/$type\2/g}" $metadata
                sed -i "/<link>/{s/https:\/\/\([^\"\/]*\)\/playback\/$type\([^<]\)/https:\/\/$HOST\/playback\/$type\2/g}" $metadata
        done

        for metadata in $(find /var/bigbluebutton/unpublished -name metadata.xml); do
                echo -n "."
		# Ensure we update both types of URLs
                sed -i "/<link>/{s/http:\/\/\([^\"\/]*\)\/playback\/$type\([^<]\)/http:\/\/$HOST\/playback\/$type\2/g}" $metadata
                sed -i "/<link>/{s/https:\/\/\([^\"\/]*\)\/playback\/$type\([^<]\)/https:\/\/$HOST\/playback\/$type\2/g}" $metadata
        done
	echo 

	if [ -f /var/www/bigbluebutton/check/conf/config.xml ]; then
		echo "Assigning $HOST for client self check to /var/www/bigbluebutton/check/conf/config.xml"
		sed -i "s/rtmp[s]*:\/\/\([^\"\/]*\)\//$PROTOCOL_RTMP:\/\/$HOST\//g" /var/www/bigbluebutton/check/conf/config.xml
		sed -i "s/rtmpt:\/\/\([^\"\/]*\)\//rtmpt:\/\/$HOST\//g" /var/www/bigbluebutton/check/conf/config.xml
	fi

	echo "Restarting the BigBlueButton $BIGBLUEBUTTON_RELEASE ..."
	stop_bigbluebutton
	echo
	start_bigbluebutton

	exit 0
fi


if [ $RESTART ]; then
	need_root
	check_configuration
	
	echo "Restarting BigBlueButton $BIGBLUEBUTTON_RELEASE ..."

	stop_bigbluebutton
	start_bigbluebutton
	check_state
fi

if [ $CLEAN ]; then
	need_root
	check_configuration
	
	echo "Restaring BigBlueButton $BIGBLUEBUTTON_RELEASE (and cleaning out all log files) ..."

	stop_bigbluebutton

	#
	# Clean log files
	#

	echo " ... cleaning log files"
	rm -f /var/log/bigbluebutton/bbb-web.log*
	rm -f /var/log/bigbluebutton/*.log

	#
	# Clean out the log files for record and playback
	#
	rm -f /var/log/bigbluebutton/bbb-rap-worker.log*
	rm -f /var/log/bigbluebutton/archive.log*
	if [ -d /var/log/bigbluebutton/slides ]; then
		rm -f /var/log/bigbluebutton/slides/*
	fi
		
	
	if [ $RED5_DIR ]; then
		rm -rf $RED5_DIR/log/*
	fi

	if [ $SERVLET_LOGS ]; then
		rm -rf $SERVLET_LOGS/*
	fi

	rm -rf /var/log/nginx/*

        #if [ $DISTRO == "ubuntu" ]; then
	#  mv /var/log/syslog /tmp/syslog.$$
	#  echo "" > /var/log/syslog
	#  chown syslog:adm /var/log/syslog
        #fi

	if [ -d /var/log/bbb-fsesl-akka ]; then
		rm -f /var/log/bbb-fsesl-akka/*
        fi

	if [ -d /var/log/bbb-apps-akka ]; then
		rm -f /var/log/bbb-apps-akka/*
        fi

	start_bigbluebutton
	check_state
fi

if [ $NETWORK ]; then
	netstat -ant | egrep ":1935|:9123|:80\ " | egrep -v ":::|0.0.0.0" > /tmp/t_net
	REMOTE=$(cat /tmp/t_net | cut -c 45-68 | cut -d ":" -f1 | sort | uniq)

	if [ "$REMOTE" != "" ]; then
        	echo -e "netstat\t\t\t80\t1935\t9123"
        	for IP in $REMOTE ; do
			PORT_1935=$(cat /tmp/t_net | grep :1935 | cut -c 45-68 | cut -d ":" -f1 | grep $IP | wc -l)
			PORT_9123=$(cat /tmp/t_net | grep :9123 | cut -c 45-68 | cut -d ":" -f1 | grep $IP | wc -l )
			PORT_80=$(cat /tmp/t_net | grep :80 | cut -c 45-68 | cut -d ":" -f1 | grep $IP | wc -l )

           	echo -e "$IP\t\t$PORT_80\t$PORT_1935\t$PORT_9123"
        	done
	fi
fi

if [ $WATCH ]; then
	need_root
	watch -n 2 "top -n 1 -b | head -n 5; echo; bbb-conf --network; bbb-conf --debug"
fi