bootstrap

#!/bin/bash
#
# This script is for use with the Open Glider Network FLARM Detection System only
# Any other uses are NOT authorised
# 
# Copyright (c) 2014, Melissa Jenkins, Temeletry Limited (melissa-ogn@temeletry.co.uk)
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
#
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in
#   the documentation and/or other materials provided with the
#   distribution.
#
# - This code must only be used as part of OGN (Open Glider Network)
#
# - Neither the name of Temeletry Limited nor the names of its
#   contributors may be used to endorse or promote products derived
#   from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Code has been sponsored by Temeletry Limited (http://www.temeletry.co.uk)
#

#
# This is a bootstrap script.  It is designed to install the OGN
# software on any operating system installation.  It has been tested
# on BPI and RPI and is believe to work on generic Linux installations
#

progress() {
    echo ""
    echo -e "\033[32m * $1\033[0m"
}

error() {
    echo "#####################################################"
    echo -e "\033[31m\033[1m ! $2 \033[0m"
}
echo "starting..."
url="https://ognconfig.onglide.com/files/v2.1"

sudo="sudo"
which sudo || {
    if [ `whoami` == 'root' ] ; then
	sudo () {
	    $@
	}
	sudo=""
	progress "Not using sudo - running as root"
    else
	error "Please install sudo or run this script as root"
	exit 1
    fi
}

	

if [ -z "$1" ]; then
    progress "Adding ogn user and installing as that"

    if [ ! -e /home/ogn ]; then

	sudo useradd -m -G `groups|tr ' ' ,` ogn || {
	    progress "unable to add ogn user?!"
	    exit
	}

	echo "ogn:ogn" | sudo chpasswd

	progress "Updating package information"
	sudo apt-get update
	
	progress "Updating install packages"
	sudo apt-get -y upgrade
        sudo apt-get -y dist-upgrade

    else

	progress "using existing ogn user"

    fi

    progress "Installing menu helper"
    sudo apt-get -y install dialog 
    dialog --yesno "Do you wish to use online configuration" 0 0
    online=$?

    dialog --yesno "Do you wish to upgrade the operating system (highly recommended, but not available on all platforms)" 0 0
    upgrade=$?

    dialog --yesno "Do you wish to enable automatic operating system updates (debian only)?" 0 0
    autoupgrade=$?
    
    dialog --defaultno --yesno "Do you wish to prepare the filesystem for image creation?  (Takes a LONG time, don't bother if you don't need it!)" 0 0
    cleanup=$?

    progress "relaunching script"
    abs_path="$(readlink -f `dirname $0`)/$(basename $0)"
    exec $sudo su -c "/bin/bash $abs_path $online $upgrade $cleanup $autoupgrade $@" root
    exit 0
fi


## capture options
online=$1
upgrade=$2
cleanup=$3
autoupgrade=$4

if [ "$upgrade" != "1" ] ; then

    if [ -e /usr/bin/rpi-update ] ; then
	progress "Updating Operating System (rpi-update)"
	rpi-update
	
	updated=1
    fi

    if [ ! -z $(which do-release-upgrade) ] ; then
	progress "Updating Operating System (do-release-upgrade)"
	do-release-upgrade
	
	updated=1
    fi
fi


## dependencies
progress "Installing dependencies"
apt-get -y install libusb-1.0-0-dev libconfig-dev fftw3-dev libjpeg-dev libconfig9 procserv telnet ntp curl dialog openssl sudo rtl-sdr

cd /home/ogn

progress "Blocking unwanted SDR stuff"

# make sure the mod probe stuff is blocked properly on the pi
# necessary not only on RPi, and wont hurt anyway
touch /etc/modprobe.d/rtl-glidernet-blacklist.conf
echo "blacklist rtl2832" >> /etc/modprobe.d/rtl-glidernet-blacklist.conf
echo "blacklist r820t"  >> /etc/modprobe.d/rtl-glidernet-blacklist.conf
echo "blacklist rtl2830"  >> /etc/modprobe.d/rtl-glidernet-blacklist.conf
echo "blacklist dvb_usb_rtl28xxu"  >> /etc/modprobe.d/rtl-glidernet-blacklist.conf
## davidm: I had to add (one of) these lines as well on my OrangePi running Jessie
echo "blacklist dvb_usb_rtl2832u"  >> /etc/modprobe.d/rtl-glidernet-blacklist.conf
echo "blacklist dvb_usb_rtl2830u"  >> /etc/modprobe.d/rtl-glidernet-blacklist.conf	


#install libjpeg8 as gsm_scan depends on this
LIBJPG_OK=$(sudo ldconfig -p | grep libjpeg.so.8)
if [ "" == "$LIBJPG_OK" ] ; then
    progress "installing older version of libjpeg for gsm_scan"
    architecture=`dpkg --print-architecture`
    curl "http://ftp.nl.debian.org/debian/pool/main/libj/libjpeg8/libjpeg8_8d1-2_"${architecture}".deb" -R -# -o "libjpeg8_8d1-2_"${architecture}".deb"
    dpkg -i libjpeg8_8d1-2_${architecture}.deb
    rm  /home/ogn/libjpeg8_8d1-2_${architecture}.deb
fi;

# 
progress "Adding system startup scripts"
 curl "${url}/rtlsdr-ogn" -R -# -o /etc/init.d/rtlsdr-ogn
 curl "${url}/rtlsdr-ogn.conf" -R -# -o /etc/rtlsdr-ogn.conf
 curl "${url}/rtlsdr-ogn-app.conf" -R -# -o /home/ogn/rtlsdr-ogn.conf
 chmod +x /etc/init.d/rtlsdr-ogn

progress "Installing updater and using it to install RTLSDR"
 curl "${url}/update" -R -# -o /home/ogn/update
 chmod +x /home/ogn/update
 # if we don't have a configuration file then make a dummy one, we also need to make the rtlsdr-ogn
 # symlink or it will get confused
 if [ ! -e /home/ogn/rtlsdr-ogn ] ; then
     mkdir /home/ogn/rtlsdr-ogn-bootstrap
     (cd /home/ogn; ln -s rtlsdr-ogn-bootstrap rtlsdr-ogn)
 fi;
 if [ ! -e /home/ogn/rtlsdr-ogn.conf ] ; then 
     curl "${url}/rtlsdr-ogn-app.conf" -R -# -o /home/ogn/rtlsdr-ogn.conf
 fi;
# this is until we actually have a file that we can install... we copy the correct one later on
 /home/ogn/update -i

# and remove it if we made it - not necessary
if [ -e /home/ogn/rtlsdr-ogn-bootstrap ] ; then
    rm -rf /home/ogn/rtlsdr-ogn-bootstrap
fi;

if [ "$autoupgrade" != "1" ]; then
    progress "Installing unattended-upgrades helper"
    apt-get -y install unattended-upgrades
    dpkg-reconfigure -plow unattended-upgrades

    sed -i '/^Unattended-Upgrade::Origins-Pattern {/a "a=stable";' /etc/apt/apt.conf.d/50unattended-upgrades
fi;
    
progress "Adding startup scripts - this will produce warnings about LSB tabs"
 curl "${url}/rtlsdr-ogn" -R -# -o /etc/init.d/rtlsdr-ogn
 curl "${url}/rtlsdr-ogn.conf" -R -# -o /etc/rtlsdr-ogn.conf
 chmod +x /etc/init.d/rtlsdr-ogn
 chown ogn /home/ogn/rtlsdr-ogn.conf

 if [ -e /etc/systemd ] ; then
    curl "${url}/rtlsdr-ogn.service" -R -# -o /etc/systemd/system/rtlsdr-ogn.service
 fi;
 
 if [ "$online" != "1" ] ; then
     curl "${url}/httpi" -R -# -o /usr/local/bin/httpi
     curl "${url}/first-install" -R -# -o /etc/init.d/first-install
     chmod +x /etc/init.d/first-install /usr/local/bin/httpi
     ##new systemctl calls
     if [ -e /etc/systemd ] ; then
         systemctl enable first-install
         systemctl disable rtlsdr-ogn.service
     else
	 update-rc.d first-install defaults
	 update-rc.d rtlsdr-ogn remove
     fi
     touch /etc/ssh/ssh_host_keyswrong    

    progress "Done.  Please reboot your device.  You will be able to configure it at http://ognconfig.onglide.com when it reboots"
    progress "Also, you may wish to update your operating system"

    if [ "$updated" != "1" ] ; then
	error "You may need to upgrade your operating system as well"
    fi

    
    ## clean up the file system
    if [ "$cleanup" != "1" ]; then
	
	progress "installing wifi user and settings"
	echo ""
	
	apt-get -y install wicd-curses
	echo "/usr/bin/wicd-curses" >> /etc/shells

	useradd -G netdev wifi
	echo "wifi:wifi" | chpasswd

	chsh -s /usr/bin/wicd-curses wifi
			
	echo "PermitRootLogin no " >> /etc/ssh/sshd_config
	
	progress "removing unwanted packages"
	apt-get -y install localepurge deborphan
	localepurge
	
	for dopurge in 'libx11-.*' 'g[+][+].*' 'cpp-4.6' 'libcdparanoia' '.*gtk' '.*gstreamer' 'gcc-4.6$' 'ttf-.*' 'cmake.*' 'git.*' 'pistore.*' 'gdb.*' 'info.*' 'man.*' 'debian-reference.*' 'oracle-java8.*'
	do
	    echo ">>>>>>>>> $dopurge >>>>>>>>>"
	    apt-get -y remove -y --auto-remove --purge "^$dopurge"
	done
	echo ">>>done"

#	apt-get -y remove -y `deborphan`
	echo "deborphan done"

	apt-get -y remove dphys-swapfile
	rm /var/swap
	rm /home/pi/python_games
	echo "autoremove start"
	apt-get autoremove
	echo "autoclean remove"
	apt-get autoclean
	echo "autoclean done"
	apt-get clean
	rm -rf /var/cache/apt
	rm /home/ogn/rtlsdr-ogn/*jpg

	if [ `grep -c tmpfs /etc/fstab` -eq 0 ]; then
	    progress "setting up tmpfs for /var and /tmp"
	    echo "tmpfs           /tmp            tmpfs   defaults,size=30M    0       0" >> /etc/fstab
	    echo "tmpfs           /var/log        tmpfs   defaults,size=30M    0       0" >> /etc/fstab
	fi

	rm -rf /var/log/*
	rm -rf /var/cache/apt/* /var/cache/man /var/cache/fontconfig
	rm /var/cache/debconf/*old /var/lib/dpkg/*old
	rm -rf /var/lib/apt 
	rm -rf /boot.bak
	rm -rf /home/pi/.bash_history /home/pi/bootstrap /home/pi/.aptitude

	currentdate=`date "+%y%m%d%H%M"`
	date -s 150101; echo "wifi:wifi" | chpasswd; echo "ogn:ogn" | chpasswd ; echo "pi:raspberry" | chpasswd;
	print "passwords reset to default! pi/raspberry ogn/ogn wifi/wifi"
	date -s $currentdate

    fi

    exit
 fi;

 ##new systemctl calls
 if [ -e /etc/systemd ] ; then
     systemctl enable rtlsdr-ogn.service
     systemctl disable first-install
 else
     update-rc.d rtlsdr-ogn defaults
     update-rc.d first-install remove
 fi
 
progress "You device is ready for configuration.  Please edit the configuration file: /home/ogn/rtlsdr-ogn.conf"
progress "And then reboot"

if [ $updated != "1" ] ; then
    error "You may need to upgrade your operating system as well"
fi;