#!/bin/sh

# Pandora FMS Server Installer (c) 2008-2024 Pandora FMS
# Linux/FreeBSD Version (generic), for SuSe, Debian/Ubuntu and FreeBSD only
# other Linux distros could not work properly without modifications
# Please see http://www.pandorafms.org
# v5.0 Build 130207
# This code is licensed under GPL 2.0 license.
# **********************************************************************

PI_VERSION="7.0NG.777"
PI_BUILD="240617"

MODE=$1
if [ $# -gt 1 ]; then
	shift
fi

# Defaults
PREFIX=/usr
PANDORA_SPOOL=/var/spool/pandora
PANDORA_HOME=$PREFIX/share/pandora_server
PANDORA_CFG_DIR=/etc/pandora
PANDORA_LOG=/var/log/pandora
PANDORA_SERVER=/etc/init.d/pandora_server
TENTACLE_SERVER=/etc/init.d/tentacle_serverd
PANDORA_CFG_FILE=$PANDORA_CFG_DIR/pandora_server.conf
PANDORA_CFG_FILE_DIST=conf/pandora_server.conf.new
PANDORA_CFG_FILE_DIST_SEC=conf/pandora_server_sec.conf.template
PANDORA_INIT_SCRIPT=util/pandora_server
TENTACLE_CFG_DIR=/etc/tentacle
TENTACLE_CFG_FILE=$TENTACLE_CFG_DIR/tentacle_server.conf
TENTACLE_CFG_FILE_DIST=conf/tentacle_server.conf.new
TENTACLE_INIT_SCRIPT=util/tentacle_serverd
PERL=perl
MANDIR=$PREFIX/share/man/man1
INITDIR=/etc/init.d
WITHOUT_TENTACLE=0

#
# set_global_vars
#	Check platform and set DISTRO, OS_VERSION and LINUX.
#	Also, define some platform sepcific variables (e.g. PANDORA_RC_VAR for (Free|Net)BSD) 
#	and override some of defaults defined above if needed.
#
set_global_vars () {
	# Default
	LINUX=NO
	OS_VERSION=`uname -r`
	DISTRO=`uname -s`

	# set correct value for LINUX_DISTRO
	case $DISTRO in
	Linux)
		# Default for Linux
		LINUX=YES
		DISTRO="GENERIC"
		# Get Linux Distro type and version
		# We assume we are on Linux unless told otherwise
		if [ -f "/etc/SuSE-release" ]
		then
			OS_VERSION=`cat /etc/SuSE-release | grep VERSION | cut -f 3 -d " "`
			DISTRO=SUSE
		elif [ -f "/etc/lsb-release" ] && [ ! -f "/etc/redhat-release" ]
		then
			OS_VERSION=`cat /etc/lsb-release | grep DISTRIB_RELEASE | cut -f 2 -d "="`
			DISTRO=UBUNTU
			OS_VERSION="UBUNTU $OS_VERSION"
		elif [ -f "/etc/debian_version" ]
		then
			OS_VERSION=`cat /etc/debian_version`
			OS_VERSION="DEBIAN $OS_VERSION"
			DISTRO=DEBIAN
		elif [ -f "/etc/fedora-release" ]
		then
			OS_VERSION=`cat /etc/fedora-release | cut -f 4 -d " "`
			OS_VERSION="FEDORA $OS_VERSION"
			DISTRO=FEDORA
		fi
		;;
	Darwin|AIX)
		# For future reference, Darwin doesn't have /etc/init.d but uses LaunchDaemons.
		# AIX doesn't have /etc/init.d
		;;
	SunOS)
		# Some Solaris and other Unices don't have /etc/init.d, some have /usr/spool instead of /var/spool
		DISTRO="Solaris"
		;;
	FreeBSD)
		PREFIX=/usr/local
		PANDORA_HOME=$PREFIX/share/pandora_server
		PANDORA_CFG_DIR=$PREFIX/etc/pandora
		PANDORA_SERVER=$PREFIX/etc/rc.d/pandora_server
		TENTACLE_SERVER=$PREFIX/etc/rc.d/tentacle_server
		PANDORA_CFG_FILE=$PANDORA_CFG_DIR/pandora_server.conf
		PANDORA_CFG_FILE_DIST=$DISTRO/pandora_server.conf.new
		PANDORA_INIT_SCRIPT=$DISTRO/pandora_server
		TENTACLE_CFG_DIR=$PREFIX/etc/tentacle
		TENTACLE_CFG_FILE=$TENTACLE_CFG_DIR/tentacle_server.conf
		TENTACLE_INIT_SCRIPT=$DISTRO/tentacle_server
		MANDIR=$PREFIX/man/man1
		INITDIR=$PREFIX/etc/rc.d
		PERL=/usr/local/bin/perl
		PANDORA_RC_VAR="pandora_server_enable"
		TENTACLE_RC_VAR="tentacle_server_enable"
		;;
	NetBSD)
		PREFIX=/usr/local
		PANDORA_HOME=$PREFIX/share/pandora_server
		PANDORA_CFG_DIR=$PREFIX/etc/pandora
		PANDORA_SERVER=/etc/rc.d/pandora_server
		TENTACLE_CFG_DIR=$PREFIX/etc/tentacle
		TENTACLE_CFG_FILE=$TENTACLE_CFG_DIR/tentacle_server.conf
		TENTACLE_SERVER=/etc/rc.d/tentacle_server
		PANDORA_CFG_FILE=$PANDORA_CFG_DIR/pandora_server.conf
		PANDORA_CFG_FILE_DIST=$DISTRO/pandora_server.conf.new
		PANDORA_INIT_SCRIPT=$DISTRO/pandora_server
		TENTACLE_INIT_SCRIPT=$DISTRO/tentacle_server
		PERL=/usr/pkg/bin/perl
		INITDIR=/etc/rc.d
		PANDORA_RC_VAR="pandora_server"
		TENTACLE_RC_VAR="tentacle_server"
		;;
	esac
}

#
# install_startup_script [options...] SRC
#	copy SRC into the $INITDIR and do additional required operation according to $DISTRO
#	if $INITDIR is not set or empty, do nothing.
#	If $DESTDIR is set, skip enabling service
#	OPTIONS:
#		-s SPRIO  specify startup priority for service
#
install_startup_script () {
	[ "$INITDIR" ] || return 1
	if [ "$1" = "-s" ]
	then
		SPRIO=$2
		shift;shift
	fi
	SRC=$1
	SCRIPT_NAME=`basename $SRC`

	echo "Copying the daemon script into $INITDIR"
	[ -d $DESTDIR$INITDIR ] || mkdir -p $DESTDIR$INITDIR
	cp $SRC $DESTDIR$INITDIR

	case $DISTRO in
	UBUNTU|DEBIAN)
		echo "Linking startup script to /etc/rc2.d"
		update-rc.d $SCRIPT_NAME defaults
		ln -s $DESTDIR$INITDIR/$SCRIPT_NAME /etc/init.d/$SCRIPT_NAME
		systemctl daemon-reload 2> /dev/null
		;;
	SUSE)
		echo "Creating startup daemons"
		insserv $SCRIPT_NAME
		;;
	FeeBSD|NetBSD)
		chmod 555 $DESTDIR$INITDIR/$SCRIPT_NAME
		;;
	*)
		if [ "$LINUX" = YES ]
		then
			# Pandora FMS Server install (Other Distros)
			INITLV=`grep '[0-9]:initdefault' /etc/inittab | cut -f 2 -d ':'`
			: ${INITLV:=2}
			echo "Linking startup script to /etc/rc.d/rc$INITLV.d/S$SPRIO$SCRIPT_NAME"
			ln -s $DESTDIR$INITDIR/$SCRIPT_NAME /etc/rc.d/rc$INITLV.d/S$SPRIO$SCRIPT_NAME
			ln -s $DESTDIR$INITDIR/$SCRIPT_NAME /etc/init.d/$SCRIPT_NAME
			systemctl daemon-reload 2> /dev/null
		fi
		;;
	esac
}

install () {
	set_global_vars

	FORCE=0
	BINARIES=0

	# parse options
	while :
	do
		case $1 in
		--force) FORCE=1;;
		--from-binary) BINARIES=1;;
		--no-tentacle) WITHOUT_TENTACLE=1;;
		--destdir) DESTDIR=$2;shift;;
		*) break;;
		esac
		shift
	done

	# Alternative destdir has been selected	
	if [ ! -z "$DESTDIR" ]
	then
		# Files from previous installation were found
		if [ -d "/usr/lib/perl5/PandoraFMS" ] 
		then
			GREEN='\033[01;32m'
			NONE='\033[0m'
			
			echo -e -n "Files from a previous installation were found in ${GREEN}/usr/lib/perl5/PandoraFMS/${NONE}. " 	
			read -p "That directory will be deleted in order to preserve integrity. Do you wish to proceed? (y/N): " USERAPPROVAL

			if [ "$USERAPPROVAL" = "y" ] || [ "$USERAPPROVAL" = "Y" ]; then
				rm -rf "/usr/lib/perl5/PandoraFMS"
				echo -e "Previous PandoraFMS directory deleted successfully"
			else
				echo -e -n "Files in ${GREEN}/usr/lib/perl5/PandoraFMS/${NONE} will not be deleted. This may cause issues. " 	
				read -p "Do you want to proceed with the installation anyway? (y/N): " USERAPPROVAL

				if [ "$USERAPPROVAL" = "y" ] || [ "$USERAPPROVAL" = "Y" ]; then
					echo "Proceeding with the installation anyway. This may cause problems in the future due to the existence of files from previous installations."
				else
					echo "Installation aborted. You chose not to proceed."
					exit 1
				fi
			fi
		fi
	fi

	if [ "$LINUX" = YES ]
	then
		echo "$DISTRO distribution detected"
	else 
		echo "$DISTRO detected"
	fi
	
	if [ ! $BINARIES -eq 1 ]
	# Do not compile files if binary is distributed
	then
		$PERL Makefile.PL INSTALLMAN1DIR=none WITHOUT_TENTACLE=$WITHOUT_TENTACLE > output 2>&1
		#&& sleep 2 && cat output | grep "found" | wc -l 
		DEPENDENCIAS=`cat output | grep "found" | wc -l`

		if [ $DEPENDENCIAS -gt 0 ] && [ $FORCE -eq 0 ]
		then
			echo "You are missing the following dependencies"
			echo " "
			cat output | awk -F ": prerequisite" '{print $2}' | awk -F " " '{print $1}'
			echo "The complete installation guide is at: https://pandorafms.com/docs/"
			echo " "
			echo "Debian-based distribution do:"
			echo "	# apt-get install snmp snmpd libjson-perllibio-socket-inet6-perl libsocket6-perl libxml-simple-perl libxml-twig-perl libnetaddr-ip-perl libdbi-perl libnetaddr-ip-perl libhtml-parser-perl wmi-client snmp-mibs-downloader"
			echo " "
			echo "For CentOS / RHEL do: "
			echo " "
			echo "	# yum install perl-XML-Simple* perl-XML-Twig  perl-JSON perl-IO-Socket* perl-Socket6 perl-Time-modules* perl-NetAddr-IP* perl-DateTime* perl-ExtUtils perl-DBI nmap "
			echo " "
			echo "For OpenSUSE / SLES do : "
			echo " "
			echo "	# zypper install nmap perl-DBD-mysql perl-DBI perl-HTML-Parser perl-JSON
	perl-HTML-Encoding perl-HTML-Tree perl-NetAddr-IP perl-IO-Socket-INET6 perl-Socket6
	perl-TimeDate perl-XML-Simple perl-XML-Twig perl-libwww-perl mysql-client"
			echo " "
			echo "	You also will need to install (optionally) wmiclient from rpm (download from our website)"
			echo " "
			echo "For FreeBSD do : "
			echo " "
			echo "  Install following tools from ports or packages."
			echo "  Recommended: p5-DBI p5-NetAddr-IP p5-XML-Simple p5-XML-Twig p5-HTML-Parser p5-DBD-mysql p5-Socket6 p5-IO-Socket-INET6 p5-JSON"
			echo "  Optional: nmap"
			echo " "
			echo "To get them from source through CPAN do"
			echo " "
			echo "	$ cpan Time::Local DBI Socket6 XML::Simple XML::Twig IO::Socket Time::HiRes NetAddr::IP HTML::Entities IO::Socket::INET6 JSON"
			echo " "
			rm output
			exit 1
		fi
		rm output
			
		echo "Installing binaries and libraries"
		make
		make DESTDIR=$DESTDIR install
			
		echo "Checking binaries at /usr/local/bin -> /usr/bin"
		if [ ! -f "$DESTDIR/usr/bin/pandora_server" ] 
		then
			if [ ! -f "$DESTDIR/usr/local/bin/pandora_server" ]
			then
				echo "ERROR compiling Pandora FMS Server from sources. Aborting"
				exit 1
			fi
			if [ "$DISTRO" != "FreeBSD" ] && [ "$DISTRO" != "NetBSD" ]
			then
				[ -d $DESTDIR$PREFIX/bin ] || mkdir -p $DESTDIR$PREFIX/bin
				ln -s /usr/local/bin/pandora_server $DESTDIR$PREFIX/bin
				ln -s /usr/local/bin/pandora_exec $DESTDIR$PREFIX/bin
				ln -s /usr/local/bin/tentacle_server $DESTDIR$PREFIX/bin
				ln -s /usr/local/bin/tentacle_client $DESTDIR$PREFIX/bin
			fi
		fi
	fi

	echo "Creating common Pandora FMS directories"
	id pandora 2> /dev/null
	if [ $? -eq 0 ]; then
		echo " "
		echo "User pandora does exist, make sure the SSH directories are correct"
	else
		if [ "$DESTDIR" ]
		then
			# chown can fail with fakeroot installation
			echo "User 'pandora' does not exist. All chown operations may fail."
			echo "You should manualy set proper ownership to $DESTDIR$PANDORA_SPOOL if needed."
			echo
		fi

		echo "Are you sure we can create a standard 'pandora' user locally? [y/N]"
		read AREYOUSURE
		if [ "$AREYOUSURE" = "y" ]; then
			if [ "$DISTRO" = "FreeBSD" ]
			then
				echo "pandora:41121:::::Pandora FMS:/home/pandora:/usr/sbin/nologin:" | adduser -f - -w no 2> /dev/null
			else
				useradd pandora 
				mkdir /home/pandora 2> /dev/null
				mkdir /home/pandora/.ssh 2> /dev/null
				chown -R pandora /home/pandora 
			fi
		else
			echo "Please create the 'pandora' user manually according to your authentication scheme, then start again the installation"
			echo "Aborting..."
			exit 1
		fi
	fi

	mkdir -p $DESTDIR$PANDORA_SPOOL/data_in 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/conf 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/conf
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/md5 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/md5
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/collections 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/collections
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/netflow 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/netflow
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/sflow 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/sflow
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/trans 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/trans
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/commands 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/commands
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/discovery 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/discovery
	mkdir $DESTDIR$PANDORA_SPOOL/data_in/agent 2> /dev/null
	chmod 2770 $DESTDIR$PANDORA_SPOOL/data_in/agent
	mkdir -p $DESTDIR$PANDORA_LOG 2> /dev/null	
	chown -R pandora:apache $DESTDIR$PANDORA_LOG 2> /dev/null
	chmod 2774 $DESTDIR$PANDORA_LOG 2> /dev/null

	echo "Giving proper permission to /var/spool/pandora"
	for group in "www-data" wwwrun www apache
	do
		IDGROUP=`id -g "$group" 2> /dev/null`
		if [ $? -eq 0 ]
		then
			GROUPNAME=`grep ":$IDGROUP:" /etc/group | awk -F":" '{print $1}'`
			break
		fi
	done
	if [ -z "$GROUPNAME" ]
	then
		echo "No web server user found, some functionality might not perform correctly"
		GROUPNAME=0
	fi
	# when fakeroot installation, this can fail
	chown -R pandora:$GROUPNAME $DESTDIR$PANDORA_SPOOL 2>/dev/null

	chown apache:$GROUPNAME $DESTDIR$PANDORA_SPOOL/data_in/customer_key 2>/dev/null

	# Copy open discovery plugins to data_in
	if [ -d "$DESTDIR$PANDORA_SPOOL/data_in/discovery" ]; then
		echo ">Installing the open discovery scripts to $DESTDIR$PANDORA_SPOOL/data_in/discovery..."
		for disco_folder in $(ls "discovery/"); do
			if [ -d "discovery/"$disco_folder ]; then
				if [ -d "$DESTDIR$PANDORA_SPOOL/data_in/discovery/$disco_folder" ]; then
					rm -Rf "$DESTDIR$PANDORA_SPOOL/data_in/discovery/$disco_folder"
				fi
				cp -Rf "discovery/"$disco_folder "$DESTDIR$PANDORA_SPOOL/data_in/discovery/$disco_folder"
				chmod -R 770 "$DESTDIR$PANDORA_SPOOL/data_in/discovery/$disco_folder"
			fi
		done

	else
		echo ">ERROR: Failed to copy open discovery scripts to $DESTDIR$PANDORA_SPOOL/data_in/discovery/discovery - Folder not found"
	fi

	echo "Creating setup directory in $PANDORA_CFG_DIR"
	mkdir -p $DESTDIR$PANDORA_CFG_DIR 2> /dev/null
	if [ -f "$DESTDIR$PANDORA_CFG_FILE" ]
	then
		echo cp $PANDORA_CFG_FILE_DIST $DESTDIR$PANDORA_CFG_DIR
		cp $PANDORA_CFG_FILE_DIST $DESTDIR$PANDORA_CFG_DIR
	else
		echo cp $PANDORA_CFG_FILE_DIST $DESTDIR$PANDORA_CFG_FILE
		cp $PANDORA_CFG_FILE_DIST $DESTDIR$PANDORA_CFG_FILE
		chmod 770 $DESTDIR$PANDORA_CFG_FILE
	fi

	echo "Creating sec setup directory in $PANDORA_CFG_DIR/conf.d"
	mkdir -p $DESTDIR$PANDORA_CFG_DIR/conf.d 2> /dev/null
	echo cp $PANDORA_CFG_FILE_DIST_SEC $DESTDIR$PANDORA_CFG_DIR/conf.d/
	cp $PANDORA_CFG_FILE_DIST_SEC $DESTDIR$PANDORA_CFG_DIR/conf.d/


	echo "Installing Pandora Server manual"
	[ -d $DESTDIR$MANDIR ] || mkdir -p $DESTDIR$MANDIR
	cp man/man1/pandora_server.1.gz $DESTDIR$MANDIR

	install_startup_script -s 90 $PANDORA_INIT_SCRIPT

	if [ -d /etc/logrotate.d ]
	then
		if [ -f $DESTDIR/etc/logrotate.d/pandora_server ]
		then
			echo "A logrotate.d entry for Pandora FMS log management already exists, skipping creation"
		else
			echo "Creating logrotate.d entry for Pandora FMS log management"
			[ -d $DESTDIR/etc/logrotate.d ] || mkdir -p $DESTDIR/etc/logrotate.d
			cp util/pandora_server_logrotate $DESTDIR/etc/logrotate.d/pandora_server
		fi
	else
		echo "Please add a log rotation schedule manually to your log rotation daemon (if any)"
	fi
	
	if [ $WITHOUT_TENTACLE -eq 0 ]
	then
		# tentacle_server is already installed by "make install"
		install_startup_script -s 80 $TENTACLE_INIT_SCRIPT

		# Create the directory to locate the Tentacle configuration file
		echo "Creating setup Tentacle directory in $TENTACLE_CFG_DIR"
		mkdir -p $DESTDIR$TENTACLE_CFG_DIR 2> /dev/null
		if [ -f "$DESTDIR$TENTACLE_CFG_FILE" ]
		then
			echo cp $TENTACLE_CFG_FILE_DIST $DESTDIR$TENTACLE_CFG_DIR
			cp $TENTACLE_CFG_FILE_DIST $DESTDIR$TENTACLE_CFG_DIR

			# Add agents deployment filters if not added yet
			filter_changed=0
			tentacle_filters=$(grep -E '^\s*filters\s*.*$' "$DESTDIR$TENTACLE_CFG_FILE" | sed 's/\\/\\\\/g')
			if ! [[ $tentacle_filters =~ \.\*\\\\\.agent_setup\\\\\.exe:agent ]]
			then
				sed -i -e "s/$tentacle_filters/$tentacle_filters;.*\\\\.agent_setup\\\\.exe:agent/" "$DESTDIR$TENTACLE_CFG_FILE"
				filter_changed=1
			fi
			tentacle_filters=$(grep -E '^\s*filters\s*.*$' "$DESTDIR$TENTACLE_CFG_FILE" | sed 's/\\/\\\\/g')
			if ! [[ $tentacle_filters =~ \.\*\\\\\.agent_setup\\\\\.tar\\\\\.gz:agent ]]
			then
				sed -i -e "s/$tentacle_filters/$tentacle_filters;.*\\\\.agent_setup\\\\.tar\\\\.gz:agent/" "$DESTDIR$TENTACLE_CFG_FILE"
				filter_changed=1
			fi

			if [ $filter_changed -eq 1 ]
			then
				echo "Tentacle filter updated for agent deployment feature."
				echo "Please restart 'tentacle_serverd' service."
			fi

		else
			echo cp $TENTACLE_CFG_FILE_DIST $DESTDIR$TENTACLE_CFG_FILE
			cp $TENTACLE_CFG_FILE_DIST $DESTDIR$TENTACLE_CFG_FILE
			chmod 774 $DESTDIR$TENTACLE_CFG_FILE
		fi
		
		echo "Installing Tentacle Server manual"
		cp man/man1/tentacle_server.1.gz $DESTDIR$MANDIR
	fi

	echo "Creating Pandora FMS distribution directory in $PANDORA_HOME"
	mkdir -p $DESTDIR$PANDORA_HOME 2> /dev/null
	cp -R util $DESTDIR$PANDORA_HOME
	find $DESTDIR$PANDORA_HOME -type l -delete
	case $DISTRO in
	FreeBSD)
		# adjust shebang
		for pl_script in `find $DESTDIR$PANDORA_HOME/util -name "*.pl"`
		do
			cat $pl_script | sed 's/^#!\/usr\/bin\/perl/#!\/usr\/local\/bin\/perl/g' > ${pl_script}.new 
			mv ${pl_script}.new $pl_script
			chmod a+x $pl_script
		done
		for sh_script in `find $DESTDIR$PANDORA_HOME/util -name "*.sh"`
		do
			cat $sh_script | sed 's/^#!\/bin\/bash/#!\/usr\/local\/bin\/bash/g' > ${sh_script}.new
			mv ${sh_script}.new $sh_script
			chmod a+x $sh_script
		done
		# install pandora_ha
		INSTALL_DIR="$DESTDIR$PREFIX/bin/"
		echo ">Installing the pandora_ha binary to $INSTALL_DIR..."
		cp -f $DESTDIR$PANDORA_HOME/util/pandora_ha.pl "$INSTALL_DIR/pandora_ha"
		chmod +x "$INSTALL_DIR/pandora_ha"
		;;
	*)
		SYSTEMD_DIR=/etc/systemd/system
		PID_DIR=$DESTDIR/var/run
		INSTALL_DIR="$DESTDIR$PREFIX/bin/"

		echo ">Installing the pandora_ha binary to $INSTALL_DIR..."
		cp -f util/pandora_ha.pl "$INSTALL_DIR/pandora_ha"
		chmod +x "$INSTALL_DIR/pandora_ha"
	
		echo ">Installing pandora_ha service to $INSTALL_DIR..."
		[ -d "$PID_DIR" ] || mkdir -p "$PID_DIR"
		[ -d "$SYSTEMD_DIR" ] || mkdir -p "$SYSTEMD_DIR"
		cat > $SYSTEMD_DIR/pandora_ha.service <<-EOF
[Unit]
Description=Pandora FMS Daemon Watchdog

[Service]
Type=forking

User=$USER
PIDFile=$PID_DIR/pandora_ha.pid
Restart=always
ExecStart=${INSTALL_DIR}pandora_ha -d -p $PID_DIR/pandora_ha.pid $DESTDIR$PANDORA_CFG_FILE

[Install]
WantedBy=multi-user.target
EOF
		;;
	esac

	# install cron job
	if [ -d /etc/cron.hourly ]
	then
		[ ! -d $DESTDIR/etc/cron.hourly ] && mkdir -p $DESTDIR/etc/cron.hourly
		echo "Creating the Cron script to run Pandora DB tool each hour"
		echo "#!/bin/bash" > $DESTDIR/etc/cron.hourly/pandora_db	
		echo "perl $DESTDIR$PANDORA_HOME/util/pandora_db.pl $DESTDIR$PANDORA_CFG_FILE" >> $DESTDIR/etc/cron.hourly/pandora_db	
		chmod +x $DESTDIR/etc/cron.hourly/pandora_db
	elif [ "$DISTRO" = "FreeBSD" ] || [ "$DISTRO" = "NetBSD" ]
	then
		if [ "$DESTDIR" ]
		then
			echo "Skip adding cron entry for pandora_db.pl when performing fakeroot installation."
		else
			grep pandora_db.pl /etc/crontab > /dev/null 2>&1
			if [ $? -ne 0 ]
			then
				echo "# Pandora FMS" >> /etc/crontab
				echo "2	*	*	*	*	root	perl $PANDORA_HOME/util/pandora_db.pl $PANDORA_CFG_FILE" >> /etc/crontab
			else
				echo "The crontab for pandora_db.pl is already configured."
			fi
		fi
	else
		echo "You're probably not using cron for automatic scheduling. You should schedule the following command to run frequently (hourly) on your master server:"
		echo "	perl $PANDORA_HOME/util/pandora_db.pl $PANDORA_CFG_FILE"
	fi
	echo
	echo "Now you have to edit your $PANDORA_CFG_FILE file to change the database password (default is pandora) with the one set in include/config.php of your Pandora FMS Console."
	echo "After setting password you can start your Pandora FMS Server!!"

	if [ "$DISTRO" = "FreeBSD" ] || [ "$DISTRO" = "NetBSD" ]
	then
		echo " "
		echo "Define '$PANDORA_RC_VAR=\"YES\"' in /etc/rc.conf to enable pandora server daemon."
		[ "$WITHOUT_TENTACLE" = 0 ] && \
			echo "Define '$TENTACLE_RC_VAR=\"YES\"' in /etc/rc.conf to enable tentacle server daemon."
    fi

    systemctl daemon-reload 2> /dev/null
}

uninstall () {
	set_global_vars

	if [ "$LINUX" != "YES" ] && [ "$DISTRO" != "FreeBSD" ] && [ "$DISTRO" != "NetBSD" ]
	then
		echo "This is not a Linux-based distro. Uninstaller is currently not working for your OS"
		exit 1
	fi

	echo "Removing PERL libs and man files"
	
	PERL_SITELIB=/usr/lib/perl5
	if [ "$DISTRO" != "FreeBSD" ] || [ "$DISTRO" != "NetBSD" ]
	then
		PERL_SITELIB=$(eval $($PERL -V:sitelib);echo $sitelib);
	fi
	PERL_SITEMAN3DIR=`eval \`$PERL -V:siteman3dir\`;echo $siteman3dir`;

	[ -d $DESTDIR/$PERL_SITELIB/PandoraFMS ] && rm -rf $DESTDIR/$PERL_SITELIB/PandoraFMS
	rm -f $DESTDIR/$PERL_SITEMAN3DIR/PandoraFMS::* 2>/dev/null


	echo "Removing Pandora Servers"
	if [ -d $DESTDIR$PANDORA_SPOOL/data_out ]; then
		rm -Rf $DESTDIR$PANDORA_SPOOL/data_in
	else
		rm -Rf $DESTDIR$PANDORA_SPOOL
	fi

	echo "If the user Pandora is not being used for any other operations, please delete using the following commands:"
	if [ "$DISTRO" != "FreeBSD" ] || [ "$DISTRO" != "NetBSD" ]
	then
		echo "  rmuser pandora"
	else
		echo "	userdel pandora"
		echo "	rm -Rf /home/pandora/"
	fi

	## Just to clarify here. Some people (like me) are using the pandora user 
	## for other purposes and/or using an LDAP-based user management
	## I would hate to have a script clear out this users' information without any notification


	rm -Rf $DESTDIR$PANDORA_LOG 2> /dev/null 
	rm -f  $DESTDIR$PANDORA_CFG_FILE 2> /dev/null
	rm -f  "$DESTDIR$PANDORA_CFG_FILE.new" 2> /dev/null
	rm -f  $DESTDIR$TENTACLE_CFG_FILE 2> /dev/null
	rm -f  "$DESTDIR$TENTACLE_CFG_FILE.new" 2> /dev/null
	rm -f  $DESTDIR$PANDORA_SERVER 2> /dev/null 
	rm -f  $DESTDIR$PREFIX/bin/pandora_server 2> /dev/null
	rm -f  $DESTDIR$PREFIX/bin/pandora_exec 2> /dev/null
	# Do not remove tentacle files if agent is still installed...
	[ -e $DESTDIR$PREFIX/bin/pandora_agent ] || rm -f  $DESTDIR$PREFIX/bin/tentacle_server 2> /dev/null
	[ -e $DESTDIR$PREFIX/bin/pandora_agent ] || rm -f  $DESTDIR$PREFIX/bin/tentacle_client 2> /dev/null
	rm -Rf $DESTDIR$PANDORA_HOME
	rm -f  $DESTDIR/etc/cron.hourly/pandora_db
	rm -f  $DESTDIR/etc/logrotate.d/pandora_server
	if [ "$DESTDIR" ]
	then
		# do nothing with "fakeroot" uninstallation
		:
	elif [ "$DISTRO" = "UBUNTU" ] || [ "$DISTRO" = "DEBIAN" ]
	then
		update-rc.d -f pandora_server remove
		update-rc.d -f tentacle_serverd remove
	elif  [ "$DISTRO" != "FreeBSD" ] || [ "$DISTRO" != "NetBSD" ]
	then
		TMP_CRONTAB=/tmp/crontab.tmp
		egrep -v "Pandora FMS|pandora_db.pl" /etc/crontab > $TMP_CRONTAB
		cp $TMP_CRONTAB /etc/crontab
		rm $TMP_CRONTAB
	fi
	rm -f $DESTDIR/etc/rc2.d/S90pandora_server 2> /dev/null 
	rm -f $DESTDIR/etc/rc.d/rc3.d/S90pandora_server 2> /dev/null 
	rm -f $DESTDIR/etc/rc2.d/S80tentacle_serverd 2> /dev/null 
	rm -f $DESTDIR/etc/rc.d/rc3.d/S80tentacle_serverd 2> /dev/null 
	rm -f $DESTDIR$MANDIR/pandora_server.1.gz 2>/dev/null
	rm -f $DESTDIR$MANDIR/tentacle_server.1.gz 2>/dev/null
	echo "Done"
}

help () {
	echo "	--install	To install Pandora FMS Servers on this system (You have to be root)"
	echo "	--uninstall	To uninstall and remove Pandora FMS Servers on this System"
	echo " "
	echo " Additional second parameter (after --install) "
	echo " "
	echo "  --force         Ignore dependency problems and do the install"
	echo "	--no-tentacle	Skip tentacle server installation (by default tentacle server installed)"
	echo "	--destdir DIR	Specify root directory for \"fakeroot\" installation"
	echo "  --from-binary	No compile Pandora Server and not execute Makefiles"
	echo " "
}

# Script banner at start
echo " "
echo "Pandora FMS Server Installer $PI_VERSION $PI_BUILD (c) 2008-2024 Pandora FMS"
echo "This program is licensed under GPL2 Terms. http://pandorafms.com"
echo " "

case "$MODE" in

'--install')
	install "$@"
	exit 0
	;;

'--uninstall')
	uninstall "$@"
	exit 0
	;;

*)
	help
esac