bigbluebutton-Github/bigbluebutton-config/bin/bbb-conf

#!/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>
#
# 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 swtich 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 errorchecking
#   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

#set -x
#set -e

PATH=$PATH:/sbin

FREESWITCH_INIT_D="/etc/init.d/bbb-freeswitch"
source /etc/bigbluebutton/bigbluebutton-release

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

#
# We're going to give ^bigbluebutton.web.logoutURL a default value so bbb-conf does not give a warning
#
if [ -f /var/lib/tomcat6/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties ]; then
	if cat /var/lib/tomcat6/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep -q ^bigbluebutton.web.logoutURL=$; then
		sudo sed -i s/^bigbluebutton.web.logoutURL=$/bigbluebutton.web.logoutURL=default/g /var/lib/tomcat6/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties
	fi
fi
#
# Figure out if we're using Asterisk or FreeSWITCH
#
if cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml | grep -v '<!--' | grep -q 'bbb-voice-asterisk.xml'; then
	VOICE_CONFERENCE="bbb-voice-asterisk.xml"
elif cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml | grep -v '<!--' | grep -q 'bbb-voice-freeswitch.xml'; then
	VOICE_CONFERENCE="bbb-voice-freeswitch.xml"
fi

#
# Determine IP so it works on multilingual installations
#
IP=$(ifconfig | grep -v '127.0.0.1' | grep -E "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | head -1 | cut -d: -f2 | awk '{ print $1}')
MEM=`free -m | grep Mem | awk '{ print $2}'`



#
# Figure out our environemtn
#

PLATFORM=ubuntu

RED5_DIR=/usr/share/red5

SERVLET_CONTAINER=tomcat6
SERVLET_LOGS=/var/lib/tomcat6/logs
SERVLET_DIR=/var/lib/tomcat6/webapps


if [ -f /etc/lsb-release ]; then
	if grep -q Ubuntu /etc/lsb-release; then
		if [ -f /etc/init.d/cloud ]; then
			#
			# Support configuration on Intalio Cloud VM
			#
			PLATFORM=ubuntu-jetty-intalio
			SERVLET_CONTAINER=cloud
			SERVLET_LOGS=/var/www/cloud/jetty/logs
			SERVLET_DIR=/var/www/cloud/webapps
		fi
	fi
fi


#
# Check if the function has a value and, if not, print an error message
# $1 -- name of value
# $2 -- loctation 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 "http://code.google.com/p/bigbluebutton/wiki/BBBConf"
        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 BigBueButton"
        echo "   --stop                           Stop BigBueButton"
        echo "   --start                          Start BigBueButton"
        echo "   --clean                          Restart and clean all log files"
        echo "   --zip                            Zip up log files for reporting an error"
        echo

        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
}

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

# same as change_var_value but without 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 () {
	/etc/init.d/red5 stop
	/etc/init.d/${SERVLET_CONTAINER} stop
	/etc/init.d/nginx stop
        
	if [ -a /opt/freeswitch/run/freeswitch.pid ]; then
		$FREESWITCH_INIT_D stop
	fi
	
	if [ -a /var/run/asterisk/asterisk.pid ]; then
		/etc/init.d/asterisk stop
	fi
        
	if [ -f /etc/init.d/bbb-openoffice-headless ]; then
		/etc/init.d/bbb-openoffice-headless stop
	fi

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

}

start_bigbluebutton () {
	if [ "$VOICE_CONFERENCE" == "bbb-voice-freeswitch.xml" ]; then
		echo "Starting FreeSWITCH"
		$FREESWITCH_INIT_D start
	else
		echo "Starting Asterisk"
		/etc/init.d/asterisk start
	fi
	
	if [ "$VOICE_CONFERENCE" == "bbb-voice-freeswitch.xml" ]; then
		FREESWITCH_ESL_IP=$(sudo cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
		check_no_value listen-ip /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml $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; do
				echo -n "."
                		sleep 1
        		done
		fi
		echo
	else
		echo -n "Waiting for Asterisk to start: "

		while ! nc -z -w 1 127.0.0.1 5038; do
			echo -n "."
                	sleep 1
        	done
	fi

	if [ -f /etc/init.d/bbb-openoffice-headless ]; then	
		/etc/init.d/bbb-openoffice-headless start
	fi
	/etc/init.d/nginx start
	/etc/init.d/red5 start
	/etc/init.d/${SERVLET_CONTAINER} start

	if [ -f /etc/init.d/bbb-record-core ]; then
		/etc/init.d/bbb-record-core 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 | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}')
	check_no_value server_name /etc/nginx/sites-available/bigbluebutton $NGINX_IP

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

        if [ $PLATFORM == "ubuntu-jetty-intalio" ]; then
                #
                # Wait until jetty has finished starting before checking for bbb-web
                #
                if ! nc -z -w 1 127.0.0.1 8443; then
                        while ! nc -z -w 1 127.0.0.1 8443; do
                                echo -n "."
                                sleep 5
                        done
                fi
        fi


	BBB_WEB=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
        if ! wget http://$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


        echo " done"
}

display_bigbluebutton_status () {
	/etc/init.d/nginx status
	/etc/init.d/red5 status
	/etc/init.d/${SERVLET_CONTAINER} status
}


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

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

	if [ "$1" = "-start" -o "$1" = "--start" ]; then
		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" = "--reset-dev" -o "$1" = "-reset-dev" -o "$1" = "-r" ]; then
		echo 
		echo "This option is depreciated.  See "
		echo 
		echo "   https://code.google.com/p/bigbluebutton/wiki/081DevelopingBigBlueButton "
		echo 
		echo "for instructions on how to setup a development environment."
		exit 0
	fi

	if [ "$1" = "--restart" -o "$1" = "-restart" ]; then
                RESTART=1
                shift
                continue
        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" = "--setup-dev" -o "$1" = "-setup-dev" ]; then
		echo 
		echo "This option is depreciated.  See "
		echo 
		echo "   https://code.google.com/p/bigbluebutton/wiki/081DevelopingBigBlueButton "
		echo 
		echo "for instructions on how to setup a development environment."
		exit 0
        fi

	if [ "$1" = "--conference" -o "$1" = "-conference" ]; then
		CONFERENCE="${2}"
		confapp=$(cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties | grep 'asterisk.application' | sed s/.*=//g);

		if [ -z "$CONFERENCE" ] ; then
			if [ $confapp == "meetme" ]; then
				echo "Current conference application is $confapp"
			elif [ $confapp == "konference" ] && [ "$VOICE_CONFERENCE" == "bbb-voice-asterisk.xml" ]; then
				echo "Current conference application is $confapp"
			elif [ "$VOICE_CONFERENCE" == "bbb-voice-freeswitch.xml" ]; then
				echo "Current conference application is freeswitch"
			fi
			exit 0
		fi
		shift; shift
		continue
	fi		
	
	if [ "$1" = "--salt" -o "$1" = "-salt" -o "$1" = "--setsalt" ]; then
		SALT="${2}"
		if [ -z "$SALT" ]; then
			BBB_WEB=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
			SALT=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | grep securitySalt | cut -d= -f2);
			echo
			echo "       URL: http://$BBB_WEB/bigbluebutton/"
			echo "      Salt: $SALT"
			echo
			exit 0
		fi
		shift; shift
		continue
	fi

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

	if [ "$1" = "--lti" -o "$1" = "-lti" ]; then
		if [ -z "$SALT" ]; then
			if [ -f ${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties ]; then
				LTI_URL=$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties | sed -n '/^ltiEndPoint/{s/^.*=//;p}')
				CUSTOMER=$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties | sed -n '/^ltiConsumer/{s/^.*=//;s/:.*//p}')
				SECRET=$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties | 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.xml/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
# - XXX
#

if [ $SALT ]; then
	need_root
	change_var_salt ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties securitySalt $SALT
	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 if we've got the voice conference servers properly installed and configured
	#
        if [ "$VOICE_CONFERENCE" == "bbb-voice-freeswitch.xml" ]; then
               if [ ! -d /opt/freeswitch/conf/jingle_profiles ]; then
                        echo
                        echo "# You have an older version of FreeSWITCH installed.  To upgrade"
                        echo "# enter the following commands"
                        echo "# "
                        echo "#   sudo apt-get remove bbb-freeswitch"
                        echo "#   sudo apt-get install bigbluebutton"
                        echo "# "
                        echo
                fi

		
		#
		# Check that freeswtich ESL matches the value in bigbluebutton.properties
		#
		if [ -f /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml ]; then 
			FREESWITCH_ESL_IP=$(sudo cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
			check_no_value event_socket /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml $FREESWITCH_ESL_IP
			
			ESL_HOST=$(cat /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties | 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 [ "$FREESWITCH_ESL_IP" != "$ESL_HOST" ]; then
				echo 
				echo "# The values for listen-ip in   "
				echo "#     /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml"
				echo "# do not match the settings for esl.host in"
				echo "#     /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties"
				echo 
			fi
		fi

        else
        	if [ ! -x /usr/sbin/asterisk ]; then
				echo 
				echo "# BigBlueButton is configured to use asterisk but could not find   "
				echo "#     /usr/sbin/asterisk"
				echo         	
        	fi

		if [ ! -f /usr/lib/asterisk/modules/app_konference.so ]; then
			echo 
			echo "# Did not detect the BigBlueButton configuration setup for asterisk.  Missing"
			echo "#   /usr/lib/asterisk/modules/app_konference.so" 
			echo "# Try running: sudo apt-get install bbb-voice-conference"
			echo 
		fi
	fi

	#
	# Check if BigBlueButto is defined in Nginx
	#
	if [ $PLATFORM != "ubuntu-jetty-intalio" ]; then
		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
	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: $file"
		else
			if grep -q "^[^=]*=[ ]*$" $file; 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)
	if [ ! -x $VARFolder/pdf2swf ] && [ ! -x $VARFolder/jpeg2swf ] && [ ! -x $VARFolder/png2swf ]; then
			echo "# pdf2swf, jpeg2swf and png2swf are not installed in $VARFolder"
	fi

	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 | sed -n '/server_name/{s/.*name[ ]*//;s/;//;p}')
 	check_no_value server_name /etc/nginx/sites-available/bigbluebutton $NGINX_IP
 	
	HOSTS=$(which host)
	if [ $HOSTS ]; then
		HOSTS=`$HOSTS $NGINX_IP | awk '{ print $4 }'`
	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 ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | tr -d '\r' | sed -n '/securitySalt/{s/.*=//;p}')
		SALT_DEMO=$(cat ${SERVLET_DIR}/demo/bbb_api_conf.jsp | 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 ${SERVLET_DIR}/demo/bbb_api_conf.jsp  | sed -n '/String BigBlueButtonURL/{s/.*http:\/\///;s/\/.*//;p}' | tr -d '\015')
		if [ "$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

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

	# Check asterisk if asterisk has been started
	# same for freeswitch	
	if [ -a /var/run/asterisk/asterisk.pid ] && [ -a /opt/freeswitch/run/freeswitch.pid ]; then
		print_header
		echo
		echo "# Asterisk and FreeSWITCH are running parallel"
		echo "# Please run bbb-conf --conference with either freeswitch or asterisk and"
		echo "# Uninstall on or the other."
		echo
	elif [ -a /var/run/asterisk/asterisk.pid ]; then 
		if ! ps aux | grep -v grep | grep '[/]usr/sbin/asterisk' > /dev/null; then
				print_header
				NOT_RUNNING_APPS="${NOT_RUNNING_APPS} asterisk"
		else
				RUNNING_APPS="${RUNNING_APPS} asterisk"
		fi
	elif [ -a /opt/freeswitch/run/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/lib/openoffice/program/soffice.bin' > /dev/null; then
                if ! ps aux | grep -v grep | grep '[/]usr/lib/libreoffice/program/soffice.bin' > /dev/null; then
                        print_header
                        NOT_RUNNING_APPS="${NOT_RUNNING_APPS} OpenOffice or LibreOffice"
                fi
        else
                RUNNING_APPS="${RUNNING_APPS} OpenOffice"
        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="${NOT_RUNNING_APPS} OpenOffice"
	else
		RUNNING_APPS="${RUNNING_APPS} OpenOffice"
        fi  

        if ! ps aux | grep -v grep | grep '[/]usr/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 ! ps -C god > /dev/null; then
                print_header
                NOT_RUNNING_APPS="${NOT_RUNNING_APPS} bbb-record-core"
        else
                RUNNING_APPS="${RUNNING_APPS} bbb-record-core"
        fi

	#echo "  Running:     ${RUNNING_APPS}"
	if [ "$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  | 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 applictaions
	#
	AVAIL_RED5_APPS=""
	UNAVAIL_RED5_APPS=""
	DIRECTORIES="bigbluebutton sip video deskshare"
	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
	#
	RED5_LOG_FILES="bigbluebutton red5 sip video deskshare"
	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 [ "$UNAVAIL_RED5_LOG" != "" ]; then
		echo "# Unavailable Red5 logs ($RED5_DIR/log): $UNAVAIL_RED5_LOG"
	fi


	#
	# Check if any of the red5 BigBlueButton applications did not start propery
	#
	BBB_APPS="sip video bigbluebutton deskshare"
	for bbb_app in $BBB_APPS ; do
		if [ -a $RED5_DIR/log/$bbb_app.log ]; then
			if cat $RED5_DIR/log/$bbb_app.log | tail -n1 | grep -q "Starting up context"; then
				echo "#    $bbb_app did not start properly"
			fi
		else
			echo "#    $RED5_DIR/log/$bbb_app.log not found"
		fi
	done

	#
	# Check for required external commands
	#
	COMMANDS="ruby gem ghostscript pdf2swf"
	for cmd in $COMMANDS ; do
		if ! which $cmd > /dev/null; 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
	2.0|2.0.*)
		# 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 with Asterisk successfully
		#
        	if cat /usr/share/red5/log/sip.log | grep -q "Failed to register with Sip Server"; then
                	echo "# Error: The voice application failed to register 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: /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 propertly (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 "#       bigbluebutton failed to start: $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 | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
 	check_no_value server_name /etc/nginx/sites-available/bigbluebutton $BBB_WEB
	if ! wget http://$BBB_WEB/bigbluebutton/api -O - --quiet | grep -q SUCCESS; then 
		echo "# Error: Could not connect to the configured hostname/IP address"
		echo "#"
		echo "#    http://$BBB_WEB/"
		echo "#"
		echo "# If your BigBlueButton server is behind a firewall, see FAQ:"
		echo "#"
		echo "#   http://code.google.com/p/bigbluebutton/wiki/FAQ"
		echo "#"
		echo "# (See entry for setting up BigBlueButton behind a firewall.)"
		echo 
	fi

	#
	# Check that BigBlueButton can connect to port 80, 1935, and 9123
	#
	if [ ! -z $NGINX_IP ]; then
		if ! nc -z -w 3 $NGINX_IP 1935; then
			echo "# Error: Unable to connect to port 1935 (RTMP) on $NGINX_IP"
			echo 
		fi

		if ! nc -z -w 3 $NGINX_IP 9123; then
			echo "# Error: Unable to connect to port 9123 (desktop sharing) on $NGINX_IP"
			echo 
		fi
	fi

		if [ "$VOICE_CONFERENCE" == "bbb-voice-asterisk.xml" ]; then
			echo "# Error: You have freeswitch installed, but the current voice conference set"
			echo "# to asterisk.  To switch to freeswitch, enter"
			echo "#"
			echo "#   sudo bbb-conf --conference freeswitch"
			echo 
		fi

		BBB_SIP_APP_IP=$(cat /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties | 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 [ $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 "# If your audio is not working (users click the  headset icon "
				echo "# and don't appear in the Listeners window, ensure FreeSWITCH uses"
				echo "# the local loopback 127.0.0.1 address.  See"
				echo "#   http://code.google.com/p/bigbluebutton/wiki/FAQ#Users_do_not_appear_in_the_listeners_window"
				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 < 1975 )); then
		echo "# Warning: You are running BigBlueButton on a server with less than 2G of memory.  Your"
		echo "# performance may suffer."
                echo
	fi

	
	if [ -f ${SERVLET_DIR}/demo/demo1.jsp ]; then
		BBB_WEB=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | sed -n '/^bigbluebutton.web.serverURL/{s/.*\///;p}')
		echo "# Warning: The API demos are installed and accessible from:"
		echo "#"
		echo "#    http://$BBB_WEB/"
		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 ${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties ]; then
		LTI_URL=$(cat ${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties | sed -n '/^ltiEndPoint/{s/^.*=//;p}')
		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 ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | sed -n '/^bigbluebutton.web.serverURL/{s/.*=//;p}')
	DEFAULT_PDF=$(cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties | 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

	exit 0
}


#
# Print out the status of the current setup and look for bugs.
#
if [ $CHECK ]; then
	need_root
	
	echo 
        echo "BigBlueButton Server $BIGBLUEBUTTON_RELEASE ($(dpkg -l | grep bbb  | sed -n '/0.[0-9][0-9]ubuntu/{s/.*ubuntu//;s/;//;p}' | awk '{ sum+=$1} END {print sum}'))"
	echo "                    Kernel version:" `uname -r`

	if [ -e /etc/lsb-release ]; then
		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/\/.*//;p}')
	echo "                              Red5: $RED5_IP"

#        HOST=$(cat /var/www/bigbluebutton/client/conf/config.xml | sed -n '/recordingHost/{s/.*recordingHost="http:\/\///;s/"//;p}')
#        echo "          host for bbb-web interface: $HOST"

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

	PORT=$(cat /etc/nginx/sites-available/bigbluebutton | sed -n '/listen/{s/.*listen[ ]*//;s/;//;p}')
	echo "                              port: $PORT"

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

	if [ -f ${SERVLET_DIR}/demo/bbb_api_conf.jsp ]; then
		API_IP=$(cat ${SERVLET_DIR}/demo/bbb_api_conf.jsp  | sed -n '/String BigBlueButtonURL/{s/.*http:\/\///;s/\/.*//;p}' | tr -d '\015')
		echo
		echo "${SERVLET_DIR}/demo/bbb_api_conf.jsp (API demos)"
		echo "                           api url: $API_IP"
	fi

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

	if [ $VOICE_CONFERENCE == "bbb-voice-freeswitch.xml" ]; then
		CONFERENCING_MODULE="FreeSWITCH"
	else
		CONFERENCING_MODULE="$(cat $RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties | sed -n '/asterisk.application/{s/.*=[ ]*//g;p}') (asterisk)"
	fi

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

	CAPTURE_VIDEO="$(cat /usr/share/red5/webapps/video/WEB-INF/red5-web.xml | sed -n '/recordVideoStream/{s/^.*="//g;s/"\/>//g;p}')"
	echo "                     capture video: $CAPTURE_VIDEO"

	CAPTURE_DESKTOP="$(cat /usr/share/red5/webapps/deskshare/WEB-INF/red5-web.xml | grep -m 1 '<constructor-arg index="0" value'  | sed -n '/constructor-arg/{s/^.*="//g;s/"\/>//g;p}')"
	echo "                   capture desktop: $CAPTURE_DESKTOP"


	if [ -f /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml ]; then
		PLAYBACK_IP=$(cat /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml  | sed -n '/playback_host/{s/.*:[ ]*//;s/;//;p}')
		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/$LOG_FILE.tar /tmp/empty			> /dev/null 2>&1
	tar rf /tmp/$LOG_FILE.tar $RED5_DIR/log			> /dev/null 2>&1
	tar rf /tmp/$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/$LOG_FILE.tar /var/log/nginx/error.log	> /dev/null 2>&1
	tar rf /tmp/$LOG_FILE.tar /var/log/syslog		> /dev/null 2>&1

	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 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 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 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 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
	if [ -f /var/log/asterisk ]; then 
		find /var/log/asterisk -exec grep -H -i "Unable to register" '{}' \; > /tmp/t
		if [ -s /tmp/t ]; then
			echo "   -- Registration errors found in /var/log/asterisk/ -- "
			echo "Found $(cat /tmp/t | wc -l) errors in /var/log/asterisk/* containing string \"Unable to register\""
			echo
		fi
	fi

	rm -rf /tmp/t
	sudo grep 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

	rm -rf /tmp/t
	if [ ! is_gentoo ]; then sudo grep -v "No Voicetronix cards detected" /var/log/asterisk/* | grep ERROR > /tmp/t 
	  if [ -s /tmp/t ]; then
		echo "   -- Errors found in /var/log/asterisk/* -- "
		cat /tmp/t
		echo
	  fi
	fi

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

	rm -rf /tmp/t
	if [ -d /var/log/bigbluebutton ]; then
		if [ ! is_gentoo ]; then
		  sudo grep -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
	fi

	#
	# Additional checks for record and playback
	#

	bbb-record --check

	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:\/\/\([^\"\/]*\)\([\"\/]\)/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:// in /var/www/bigbluebutton/client/conf/config.xml"
	sudo sed -i "s/http:\/\/\([^\"\/]*\)\([\"\/]\)/http:\/\/$HOST\2/g" /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:\/\/.*/bigbluebutton.web.serverURL=http:\/\/$HOST/g" \
				${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties

    # 3 paramenter: the file, the variable name, the new value
	# echo "Assigning $HOST for FreeSWITCH Event Socket Layer URL in ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties"
	# change_var_ip /usr/share/red5/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties esl.host $HOST

	# cat ${SERVLET_DIR}/bigbluebutton/WEB-INF/classes/bigbluebutton.properties

	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 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:\/\/\([^\"\/]*\)\([\"\/]\)/BigBlueButtonURL = \"http:\/\/$HOST\2/g" \
			${SERVLET_DIR}/demo/bbb_api_conf.jsp
	fi
	

	if [ -f ${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties ]; then
		echo "Assigning $HOST for LTI integration in ${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties"
        	sed -i "s/bigbluebuttonURL=http:\/\/.*/bigbluebuttonURL=http:\/\/$HOST\/bigbluebutton/g" \
                	${SERVLET_DIR}/lti/WEB-INF/classes/lti.properties
        	sed -i "s/ltiEndPoint=http:\/\/.*/ltiEndPoint=http:\/\/$HOST\/lti\/tool.xml/g" \
                	${SERVLET_DIR}/lti/WEB-INF/classes/lti.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: "

	TYPES=$(cd /usr/local/bigbluebutton/core/scripts/process; ls *.rb | sed s/.rb//g)
	BASE=/var/bigbluebutton/recording
        for type in $TYPES; do
                for metadata in $(find $BASE/publish/$type -name metadata.xml); do
			echo -n "."
			sed -i "/<link>/{s/http:\/\/\([^\"\/]*\)\/playback\/$type\([^<]\)/http:\/\/$HOST\/playback\/$type\2/g}" $metadata
                done
        done
        for type in $TYPES; do
                for metadata in $(find /var/bigbluebutton/published/$type -name metadata.xml); do
			echo -n "."
			sed -i "/<link>/{s/http:\/\/\([^\"\/]*\)\/playback\/$type\([^<]\)/http:\/\/$HOST\/playback\/$type\2/g}" $metadata
                done
        done
	echo 

	echo "Restarting the bigbluebutton server ..."
	stop_bigbluebutton
	echo
	start_bigbluebutton

	exit 0
fi

if [ $CONFERENCE ]; then
	need_root

	if [ ! -f $RED5_DIR/webapps/bigbluebutton/WEB-INF/bbb-voice-app.xml ]; then
		echo 
		echo "# Unable to find $RED5_DIR/webapps/bigbluebutton/WEB-INF/bbb-voice-app.xml"
		exit 1
	fi

	if [ "$CONFERENCE" = "freeswitch" ]; then
		CONFERENCE=freeswitch
	elif [ "$CONFERENCE" = "meetme" ]; then
		CONFERENCE=meetme
	else 
		if [ "$CONFERENCE" = "konference" ]; then
			CONFERENCE=app_konference
		else
			echo
			echo "Error: Valid options for --conference are: meetme, konference, freeswitch"
			exit 1
		fi
	fi

	#
	# Depreciated
	#
	if [ $CONFERENCE = "meetme" ]; then
	        if [ ! -f /etc/asterisk/bbb_extensions.conf ]; then
			echo
                	echo "# Unable to find /etc/asterisk/bbb_extensions.conf"
                	exit 1
        	fi

		#
		# update $RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties
		#
		# test this as a hack to check if the ip stays in listen-ip for event-conf.xml
		# -- XXX
		# EVENTIP=$(sudo cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
		
		sudo sed -i "s/asterisk.application[ ]*=.*/asterisk.application=meetme/g" \
		$RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties

		#
		# update /etc/asterisk/bbb_extensions.conf
		sudo sed -i "s/^exten => _XXXX.,n,Konference(\${EXTEN},H)/; exten => _XXXX.,n,Konference(\${EXTEN},H)/g" \
			/etc/asterisk/bbb_extensions.conf

		sudo sed -i "s/;[ ]*exten => _XXXX.,n,MeetMe(\${EXTEN},cdMsT)/exten => _XXXX.,n,MeetMe(\${EXTEN},cdMsT)/g" \
			/etc/asterisk/bbb_extensions.conf

		#
		# update /etc/asterisk/bbb_extensions.conf
		sudo sed -i "s/; exten => _XXXX.,n,MeetMe(\${CONFERENCE_FOUND},cdMsT)/exten => _XXXX.,n,MeetMe(\${CONFERENCE_FOUND},cdMsT)/g" \
			/etc/asterisk/bbb_extensions.conf

		sudo sed -i "s/^exten => _XXXX.,n,Konference(\${CONFERENCE_FOUND},H)/; exten => _XXXX.,n,Konference(\${CONFERENCE_FOUND},H)/g" \
			/etc/asterisk/bbb_extensions.conf

		echo "Switching to $CONFERENCE ... "
		if [ -f $FREESWITCH_INIT_D ]; then
			sudo $FREESWITCH_INIT_D stop
			sudo update-rc.d -f freeswitch remove >/dev/null
		fi

	        change_var_ip /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties bbb.sip.server.ip 127.0.0.1

		sudo update-rc.d asterisk defaults 21 > /dev/null

		sudo /etc/init.d/asterisk restart
		sudo /etc/init.d/red5 restart
	fi

	#
	# Depreciated
	# 
	if [ $CONFERENCE = "app_konference" ]; then
	        if [ ! -f /etc/asterisk/bbb_extensions.conf ]; then
			echo
                	echo "# Unable to find /etc/asterisk/bbb_extensions.conf"
                	echo "# To install asterisk for BigBlueButton, try"
                	echo "#   sudo apt-get install bbb-voice-conference"
                	exit 1
        	fi

		#
		# update $RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties
		#
		# EVENTIP=$(cat /opt/freeswitch/conf/autoload_configs/event_socket.conf.xml | grep 'name="listen-ip"' | cut -d\" -f4  | awk '{print $1}')
		# sed -i 's/$EVENTIP/$HOST/g' \
		#	/opt/freeswitch/conf/autoload_configs/event_socket.conf.xml

	        sudo sed -i "s/asterisk.application[ ]*=.*/asterisk.application=konference/g" \
			$RED5_DIR/webapps/bigbluebutton/WEB-INF/bigbluebutton.properties

		#
		# update /etc/asterisk/bbb_extensions.conf
		sudo sed -i "s/;[ ]*exten => _XXXX.,n,Konference(\${EXTEN},H)/exten => _XXXX.,n,Konference(\${EXTEN},H)/g" \
			/etc/asterisk/bbb_extensions.conf

		sudo sed -i "s/^exten => _XXXX.,n,MeetMe(\${EXTEN},cdMsT)/; exten => _XXXX.,n,MeetMe(\${EXTEN},cdMsT)/g" \
			/etc/asterisk/bbb_extensions.conf


		sudo sed -i "s/^exten => _XXXX.,n,MeetMe(\${CONFERENCE_FOUND},cdMsT)/; exten => _XXXX.,n,MeetMe(\${CONFERENCE_FOUND},cdMsT)/g" \
			/etc/asterisk/bbb_extensions.conf

		sudo sed -i "s/; exten => _XXXX.,n,Konference(\${CONFERENCE_FOUND},H)/exten => _XXXX.,n,Konference(\${CONFERENCE_FOUND},H)/g" \
			/etc/asterisk/bbb_extensions.conf

                if [ -f /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml ]; then
                        sudo sed -i 's/<import resource="bbb-voice-freeswitch.xml"\(.*\)\/>/<import resource="bbb-voice-asterisk.xml"\1\/>/g' \
                        /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml
                fi

	        change_var_ip /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties bbb.sip.server.ip 127.0.0.1

		echo "Switching to $CONFERENCE ... "
		if [ -f $FREESWITCH_INIT_D ]; then
			sudo $FREESWITCH_INIT_D stop
			sudo update-rc.d -f freeswitch remove >/dev/null
		fi

		sudo update-rc.d asterisk defaults 21 > /dev/null

		sudo /etc/init.d/asterisk restart
		sudo /etc/init.d/red5 restart
	fi

	if [ $CONFERENCE = "freeswitch" ]; then
		# check if freeswitch is installed
		if [ ! -d /opt/freeswitch ]; then
			echo
			echo "# Unable to switch to FreeSWTICH as it does not appear to be installed."
			echo "# Try"
			echo "#   sudo apt-get install bbb-freeswitch-config"
			echo
			exit 1;
		fi
		# switch the red5-web.xml from asterisk to freeswitch
		if [ -f /usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml ]; then
			sudo sed -i 's/<import resource="bbb-voice-asterisk.xml"\(.*\)\/>/<import resource="bbb-voice-freeswitch.xml"\1\/>/g' \
			/usr/share/red5/webapps/bigbluebutton/WEB-INF/red5-web.xml
		fi

	        change_var_ip /usr/share/red5/webapps/sip/WEB-INF/bigbluebutton-sip.properties bbb.sip.server.ip 127.0.0.1

		echo "Switching to $CONFERENCE ... "
		if [ -f /etc/init.d/asterisk ]; then
			sudo /etc/init.d/asterisk stop
			sudo update-rc.d -f asterisk remove >/dev/null
		fi

		update-rc.d freeswitch defaults >/dev/null

		sudo $FREESWITCH_INIT_D start
		sudo /etc/init.d/red5 restart
	fi
fi

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

	stop_bigbluebutton
	echo
	display_bigbluebutton_status
	echo
	start_bigbluebutton
	check_state
fi

if [ $CLEAN ]; then
	need_root
	check_configuration
	
	echo "Doing a restart of BigBlueButton and cleaning out all log files..."

	stop_bigbluebutton

	#
	# Clean log files
	#

	echo 
	echo "Cleaning Log Files ..."
	rm -f /var/log/asterisk/event* 
	rm -f /var/log/asterisk/messages* 
	rm -f /var/log/asterisk/queue* 
	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/*
	mv /var/log/syslog /tmp/syslog.$$
	echo "" > /var/log/syslog

	display_bigbluebutton_status

	echo ""
	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

	if [ $VOICE_CONFERENCE == "bbb-voice-asterisk.xml" ]; then
		watch -n 2 "top -n 1 -b | head -n 5; echo; asterisk -r -x \"core show channels\"; echo; bbb-conf --network; bbb-conf --debug"
	else
		watch -n 2 "top -n 1 -b | head -n 5; echo; bbb-conf --network; bbb-conf --debug"
	fi
fi