#!/bin/bash

# Pandora FMS Console Installer (c) 2008-2009 Artica ST
# Linux Version (generic), for SuSe and Debian/Ubuntu only
# other Linux distros could not work properly without modifications
# Please see http://www.pandorafms.org
# v3.0 Build 091224
# This code is licensed under GPL 2.0 license.
# **********************************************************************

PI_VERSION=3.0.0
FORCE=0
LOG_TIMESTAMP=`date +"%Y/%m/%d %H:%M:%S"`
MODE=$1


get_distro () {

	# Get Linux Distro type and version
	if [ -f "/etc/SuSE-release" ]
	then
		OS_VERSION=`cat /etc/SuSE-release | grep VERSION | cut -f 3 -d " "`
		LINUX_DISTRO=SUSE
	else
		if [ -f "/etc/lsb-release" ]
		then
			OS_VERSION=`cat /etc/lsb-release | grep DISTRIB_RELEASE | cut -f 2 -d "="`
			LINUX_DISTRO=UBUNTU
			OS_VERSION="UBUNTU $OS_VERSION"
		else
			if [ -f "/etc/debian_version" ]
			then
				OS_VERSION=`cat /etc/debian_version`
				OS_VERSION="DEBIAN $OS_VERSION"
				LINUX_DISTRO=DEBIAN
			else
				if [ -f "/etc/fedora-release" ]
				then
					OS_VERSION=`cat /etc/fedora-release | cut -f 4 -d " "`
					OS_VERSION="FEDORA $OS_VERSION"
					LINUX_DISTRO=FEDORA
				else
					LINUX_DISTRO=GENERIC
					OS_VERSION=`uname -r`
				fi
			fi
		fi
	fi
	echo $LINUX_DISTRO
}

uninstall () {
        echo "Removing Pandora FMS Console"
        rm -Rf $PANDORA_HOME
	echo "You need to manually drop pandora database from your Database server"
        echo "Done"
}

install () {

	DISTRO=`get_distro`
	OLDFILENAMETMP=`date +"%Y-%m-%d"`
	
	if [ "$DISTRO" == "UBUNTU" ]
	then
		PANDORA_HOME=/var/www/pandora
		PANDORA_CONF=$PANDORA_HOME/include/config.php
	else
		PANDORA_HOME=/srv/www/htdocs/pandora
		PANDORA_CONF=$PANDORA_HOME/include/config.php
	fi

	echo "Detecting Linux distribution: $DISTRO"
	
        if [ -f $PANDORA_HOME ] && [ "$FORCE" = "0" ]
        then
                echo "Seems that default dir already exists. Please use --force to"
                echo "force installer to install on $PANDORA_HOME"
                exit
        else
                echo "Checking default dir $PANDORA_HOME..."
        fi

        # Create directories
        echo "Creating Pandora FMS Console home directory at $PANDORA_HOME ..."
        mkdir $PANDORA_HOME 2> /dev/null

        # Copying Pandora FMS console
        echo "Copying Pandora FMS Console to $PANDORA_HOME.."
        cp -R * $PANDORA_HOME
		chmod -R u+rwX,g+rX,g-w,o-rwx $PANDORA_HOME


	# Creating 'pandora' user
	id pandora
	if [ $? -eq 0 ]; then
		echo " "
		echo "User pandora does exist, skipping this step"
	else
		echo "Creating 'pandora' user"
		useradd pandora 
		mkdir /home/pandora 2> /dev/null
		mkdir /home/pandora/.ssh 2> /dev/null
		chown -R pandora /home/pandora 
	fi

	#Ownership
	if [ "$DISTRO" == "UBUNTU" ]
	then
		chown -R www-data:root $PANDORA_HOME
		chown -R pandora:www-data /var/spool/pandora/
	else 
		# Assuming SUSE
		chown -R wwwrun:root $PANDORA_HOME
		chown -R pandora:www /var/spool/pandora/
	fi
        
        echo "Setting secure permissions for Pandora FMS spool dir..."
		chmod -R u+rwX,g+rwX,o-rwx /var/spool/pandora/
        
        echo "Done."
        echo " "
        echo "You have your Pandora FMS console installed on $PANDORA_HOME."
	echo " "
	echo "Now you can setup your Pandora FMS console and install"
	echo "database using a broser and point to: "
	echo " " 
	echo "       http://ip_address_of_this_server/pandora/install.php"
        echo " "
	echo " "
}

help () {
        echo "     --force-install     To force installation if already installed on system "
        echo "     --install           To install Pandora FMS Console on this system"
        echo " "
}

# Script banner at start
echo " "
echo "Pandora FMS Console Installer $PI_VERSION (c) 2008-2009 ArticaST"
echo "This program is licensed under GPL2 Terms. http://pandorafms.com"
echo " "

case "$MODE" in

'--force-install')
        FORCE=1
        install
        exit
        ;;

'--install')
        install
        exit
        ;;

'--uninstall')
        uninstall
        exit
        ;;

*)
        help
esac