#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Based on bin/freedombox-customize from freedom-maker
#
# License
# =======
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
set -e
set -x
PROJECT_NAME='freedombone'
# username created by default within a debian image
GENERIC_IMAGE_USERNAME='fbone'
export TEXTDOMAIN=${PROJECT_NAME}-image-customise
export TEXTDOMAINDIR="/usr/share/locale"
# Whether to minimise the number of decisions during interactive install
MINIMAL_INSTALL="yes"
MY_USERNAME='debian'
MY_PASSWORD="${PROJECT_NAME}"
# IP address of the router (gateway)
ROUTER_IP_ADDRESS="192.168.1.254"
# The fixed IP address of the Beaglebone Black on your local network
BOX_IP_ADDRESS="192.168.1.55"
# DNS
NAMESERVER1='213.73.91.35'
NAMESERVER2='85.214.20.141'
# optional configuration file containing freedombone settings
CONFIG_FILENAME=
# Optional ssh public key to allow
SSH_PUBKEY="no"
# Whether this is a generic image for mass redistribution on the interwebs
GENERIC_IMAGE="no"
# default SSH port
SSH_PORT=2222
# Whether sites are accessible only within a Tor browser
ONION_ONLY="no"
enable_eatmydata_override() {
chroot $rootdir apt-get install --no-install-recommends -y eatmydata
if [ -x $rootdir/usr/bin/eatmydata ] && \
[ ! -f $rootdir/etc/apt/apt.conf.d/95debian-edu-install-dpkg-eatmydata ]; then
echo $"info: Adding apt config to call dpkg via eatmydata"
printf "#!/bin/sh\nexec eatmydata dpkg \"\$@\"\n" \
> $rootdir/var/tmp/dpkg-eatmydata
chmod 755 $rootdir/var/tmp/dpkg-eatmydata
cat > $rootdir/etc/apt/apt.conf.d/95debian-edu-install-dpkg-eatmydata < etc/apt/sources.list
deb $NEW_MIRROR $SUITE $COMPONENTS
deb-src $NEW_MIRROR $SUITE $COMPONENTS
#deb http://security.debian.org/ $SUITE/updates main
#deb-src http://security.debian.org/ $SUITE/updates main
EOF
}
configure_networking() {
if [[ $GENERIC_IMAGE == "no" ]]; then
echo "# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address $BOX_IP_ADDRESS
netmask 255.255.255.0
gateway $ROUTER_IP_ADDRESS
dns-nameservers $NAMESERVER1 $NAMESERVER2
# Example to keep MAC address between reboots
#hwaddress ether B5:A2:BE:3F:1A:FE
# The secondary network interface
#auto eth1
#iface eth1 inet dhcp
# WiFi Example
#auto wlan0
#iface wlan0 inet dhcp
# wpa-ssid \"essid\"
# wpa-psk \"password\"
# Ethernet/RNDIS gadget (g_ether)
# ... or on host side, usbnet and random hwaddr
# Note on some boards, usb0 is automaticly setup with an init script
#iface usb0 inet static
# address 192.168.7.2
# netmask 255.255.255.0
# network 192.168.7.0
# gateway 192.168.7.1" > $rootdir/etc/network/interfaces
hexarray=( 1 2 3 4 5 6 7 8 9 0 a b c d e f )
a=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
b=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
c=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
d=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
e=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
sed -i "s|#hwaddress ether.*|hwaddress ether de:$a:$b:$c:$d:$e|g" \
$rootdir/etc/network/interfaces
fi
sed -i "s/nameserver.*/nameserver $NAMESERVER1/g" $rootdir/etc/resolv.conf
sed -i "/nameserver $NAMESERVER1/a\nameserver $NAMESERVER2" $rootdir/etc/resolv.conf
# change the motd to show further install instructions
echo $"
.---. . .
| | |
|--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
| | (.-' (.-' ( | ( )| | | | )( )| | (.-'
' ' --' --' -' - -' ' ' -' -' -' ' - --'
Initial base install
Your system is not yet installed. To complete the process run the
following commands, then enter your details.
sudo su
${PROJECT_NAME} menuconfig
" > $rootdir/etc/motd
}
configure_ssh() {
sed -i "s/Port .*/Port ${SSH_PORT}/g" $rootdir/etc/ssh/sshd_config
if [[ "$SSH_PUBKEY" != "no" ]]; then
if [ ! -d $rootdir/home/$MY_USERNAME/.ssh ]; then
mkdir $rootdir/home/$MY_USERNAME/.ssh
fi
echo "$SSH_PUBKEY" > $rootdir/home/$MY_USERNAME/.ssh/authorized_keys
chroot $rootdir chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh
sed -i 's|PasswordAuthentication.*|PasswordAuthentication no|g' $rootdir/etc/ssh/sshd_config
echo $"Using ssh public key:"
echo $SSH_PUBKEY
echo $'Password ssh authentication turned off'
fi
}
admin_user_sudo() {
echo "$MY_USERNAME ALL=(ALL) ALL" >> $rootdir/etc/sudoers
}
create_generic_image() {
if [[ $GENERIC_IMAGE == "no" ]]; then
return
fi
VARIANT="full"
if [ $CONFIG_FILENAME ]; then
if [[ "$CONFIG_FILENAME" == *"mesh.cfg"* ]]; then
VARIANT="mesh"
fi
fi
# Don't install any configuration. This will be a base system
if [[ $VARIANT != "mesh" ]]; then
CONFIG_FILENAME=
else
touch $rootdir/root/.initial_mesh_setup
fi
# The presence of this file indicates that the initial
# setup has not yet been completed
touch $rootdir/home/$MY_USERNAME/.initial_setup
chroot $rootdir chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.initial_setup
touch $rootdir/root/.initial_setup
cat >> $rootdir/home/$MY_USERNAME/.bashrc <> $rootdir/root/.bashrc
echo 'if [ -f ~/.initial_setup ]; then' >> $rootdir/root/.bashrc
echo ' if [ -f ~/login.txt ]; then' >> $rootdir/root/.bashrc
echo ' NEW_USER_PASSWORD=$(printf `cat ~/login.txt`)' >> $rootdir/root/.bashrc
echo ' else' >> $rootdir/root/.bashrc
echo ' ENTROPY=$(cat /proc/sys/kernel/random/entropy_avail)' >> $rootdir/root/.bashrc
echo ' if [ $ENTROPY -lt 500 ]; then' >> $rootdir/root/.bashrc
echo ' dialog --backtitle "Initial setup process" --title "Password Generation" --msgbox "WARNING: The entropy available on this system is too low to generate a password.\n\nThe installation process cannot continue." 8 50' >> $rootdir/root/.bashrc
echo ' exit' >> $rootdir/root/.bashrc
echo ' fi' >> $rootdir/root/.bashrc
echo ' NEW_USER_PASSWORD="$(openssl rand -base64 12 | cut -c1-10)"' >> $rootdir/root/.bashrc
echo ' fi' >> $rootdir/root/.bashrc
echo ' echo "${NEW_USER_PASSWORD}" > ~/login.txt' >> $rootdir/root/.bashrc
echo ' clear' >> $rootdir/root/.bashrc
echo ' echo ""' >> $rootdir/root/.bashrc
echo ' echo "Your new login password is:"' >> $rootdir/root/.bashrc
echo ' echo ""' >> $rootdir/root/.bashrc
echo ' toilet "${NEW_USER_PASSWORD}"' >> $rootdir/root/.bashrc
echo ' echo ""' >> $rootdir/root/.bashrc
echo ' echo " ${NEW_USER_PASSWORD}"' >> $rootdir/root/.bashrc
echo ' echo ""' >> $rootdir/root/.bashrc
echo ' echo "Use it whenever you wish to ssh into this system."' >> $rootdir/root/.bashrc
echo ' echo ""' >> $rootdir/root/.bashrc
echo ' echo "IMPORTANT: Please take a moment to enter the above password into a"' >> $rootdir/root/.bashrc
echo ' echo "password manager or write it down somewhere."' >> $rootdir/root/.bashrc
echo ' echo ""' >> $rootdir/root/.bashrc
echo ' read -n1 -r -p "Press any key to continue..." key' >> $rootdir/root/.bashrc
# change the password for the admin user
echo -n " echo \"${MY_USERNAME}:" >> $rootdir/root/.bashrc
echo '$(printf `cat ~/login.txt`)"|chpasswd' >> $rootdir/root/.bashrc
# update before continuing
echo " cd /root/${PROJECT_NAME}" >> $rootdir/root/.bashrc
echo " git stash" >> $rootdir/root/.bashrc
echo " git pull" >> $rootdir/root/.bashrc
echo " make install" >> $rootdir/root/.bashrc
if [[ $VARIANT != "mesh" ]]; then
if [[ $ONION_ONLY == "no" ]]; then
if [[ $MINIMAL_INSTALL == "no" ]]; then
echo " ${PROJECT_NAME} menuconfig-full" >> $rootdir/root/.bashrc
else
echo " ${PROJECT_NAME} menuconfig" >> $rootdir/root/.bashrc
fi
else
echo " ${PROJECT_NAME} menuconfig-onion" >> $rootdir/root/.bashrc
fi
else
echo ' echo ""'
fi
echo ' if [ "$?" = "0" ]; then' >> $rootdir/root/.bashrc
echo " if [ -f ~/${PROJECT_NAME}-completed.txt ]; then" >> $rootdir/root/.bashrc
# Remove the initial setup files
echo ' rm /root/.initial_setup' >> $rootdir/root/.bashrc
echo " rm /home/${MY_USERNAME}/.initial_setup" >> $rootdir/root/.bashrc
echo " touch /root/.remove_${GENERIC_IMAGE_USERNAME}" >> $rootdir/root/.bashrc
echo ' shred -zu ~/login.txt' >> $rootdir/root/.bashrc
END_MESSAGE1=$'Congratulations!'
if [[ $VARIANT != "mesh" ]]; then
END_MESSAGE2=$'\nYour Freedombone system has now installed\n\nThe onion ssh service is at $SSH_ONION_HOSTNAME\n\nPress any key to reboot and begin using it'
echo ' SSH_ONION_HOSTNAME=$(cat /var/lib/tor/hidden_service_ssh/hostname)' >> $rootdir/root/.bashrc
else
END_MESSAGE2=$'\nYour Freedombone system has now installed\n\nPress any key to reboot and begin using it'
fi
echo " dialog --title '$END_MESSAGE1' --msgbox \"$END_MESSAGE2\" 9 50" >> $rootdir/root/.bashrc
echo ' reboot' >> $rootdir/root/.bashrc
echo ' fi' >> $rootdir/root/.bashrc
echo ' else' >> $rootdir/root/.bashrc
echo ' key=' >> $rootdir/root/.bashrc
echo ' while [[ $key != "x" ]]; do' >> $rootdir/root/.bashrc
echo ' read -n1 -r -p "Press x to continue..." key' >> $rootdir/root/.bashrc
echo ' done' >> $rootdir/root/.bashrc
echo ' fi' >> $rootdir/root/.bashrc
echo ' exit' >> $rootdir/root/.bashrc
echo 'else' >> $rootdir/root/.bashrc
echo ' # Remove default account after install' >> $rootdir/root/.bashrc
echo " if [ -f /root/.remove_${GENERIC_IMAGE_USERNAME} ]; then" >> $rootdir/root/.bashrc
echo " if [ -d /home/${GENERIC_IMAGE_USERNAME} ]; then" >> $rootdir/root/.bashrc
echo " userdel -r ${GENERIC_IMAGE_USERNAME}" >> $rootdir/root/.bashrc
echo " if [ -d /home/${GENERIC_IMAGE_USERNAME} ]; then" >> $rootdir/root/.bashrc
echo " rm -rf /home/${GENERIC_IMAGE_USERNAME}" >> $rootdir/root/.bashrc
echo " rm /root/.remove_${GENERIC_IMAGE_USERNAME}" >> $rootdir/root/.bashrc
echo ' fi' >> $rootdir/root/.bashrc
echo ' fi' >> $rootdir/root/.bashrc
echo ' fi' >> $rootdir/root/.bashrc
echo 'fi' >> $rootdir/root/.bashrc
}
continue_installation() {
# If a configuration file exists then run with it
# otherwise the interactive installer can be used
# This is equivalent to installing freedombox-setup on freedombox
if [ $CONFIG_FILENAME ]; then
if [ ${#CONFIG_FILENAME} -gt 2 ]; then
cp $CONFIG_FILENAME $rootdir/root/$PROJECT_NAME.cfg
cat $rootdir/root/$PROJECT_NAME.cfg
chroot "$rootdir" su -c "$PROJECT_NAME -c /root/$PROJECT_NAME.cfg" - root
fi
fi
}
atheros_wifi() {
firmware_filename="open-ath9k-htc-firmware_1.3-1_all.deb"
firmware_hash='5fea58ffefdf0ef15b504db7fbe3bc078c03e0d927bba64085e4b6f2546102f5'
firmware_url="http://us.archive.trisquel.info/trisquel/pool/main/o/open-ath9k-htc-firmware/$firmware_filename"
firmware_tempfile="/tmp/$firmware_filename"
wget "$firmware_url" -O "$rootdir$firmware_tempfile"
downloaded_firmware_hash=$(sha256sum "$rootdir$firmware_tempfile" | awk -F ' ' '{print $1}')
if [[ "$downloaded_firmware_hash" == "$firmware_hash" ]]; then
chroot "$rootdir" dpkg -i "$firmware_tempfile"
else
echo 'WARNING: Atheros Wifi firmware hash does not match. The driver has not been installed.'
fi
}
mesh_avahi() {
chroot "$rootdir" apt-get -y install avahi-utils avahi-autoipd avahi-dnsconfd
decarray=( 1 2 3 4 5 6 7 8 9 0 )
PEER_ID=${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}
sed -i "s|#host-name=.*|host-name=P$PEER_ID|g" $rootdir/etc/avahi/avahi-daemon.conf
if [ ! -d $rootdir/etc/avahi/services ]; then
mkdir -p $rootdir/etc/avahi/services
fi
# remove an avahi service which isn't used
if [ -f $rootdir/etc/avahi/services/udisks.service ]; then
rm $rootdir/etc/avahi/services/udisks.service
fi
# Add an ssh service
echo '' > $rootdir/etc/avahi/services/ssh.service
echo '' >> $rootdir/etc/avahi/services/ssh.service
echo '' >> $rootdir/etc/avahi/services/ssh.service
echo ' %h SSH' >> $rootdir/etc/avahi/services/ssh.service
echo ' ' >> $rootdir/etc/avahi/services/ssh.service
echo ' _ssh._tcp' >> $rootdir/etc/avahi/services/ssh.service
echo " $SSH_PORT" >> $rootdir/etc/avahi/services/ssh.service
echo ' ' >> $rootdir/etc/avahi/services/ssh.service
echo '' >> $rootdir/etc/avahi/services/ssh.service
# keep the daemon running
WATCHDOG_SCRIPT_NAME="keepon"
echo '' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo '# keep avahi daemon running' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo 'AVAHI_RUNNING=$(pgrep avahi-daemon > /dev/null && echo Running)' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo 'if [ ! $AVAHI_RUNNING ]; then' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo ' systemctl start avahi-daemon' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo ' echo -n $CURRENT_DATE >> $LOGFILE' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo ' echo " Avahi daemon restarted" >> $LOGFILE' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
echo 'fi' >> $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
chmod +x $rootdir/usr/bin/$WATCHDOG_SCRIPT_NAME
}
function mesh_batman {
chroot "$rootdir" apt-get -y install iproute bridge-utils libnetfilter-conntrack3 batctl
chroot "$rootdir" apt-get -y install python-dev libevent-dev ebtables python-pip git
chroot "$rootdir" apt-get -y install wireless-tools rfkill
if ! grep -q "batman_adv" $rootdir/etc/modules; then
echo 'batman_adv' >> $rootdir/etc/modules
fi
if [ -f /usr/local/bin/${PROJECT_NAME}-mesh-batman ]; then
cp /usr/local/bin/${PROJECT_NAME}-mesh-batman $rootdir/var/lib/batman
else
cp /usr/bin/${PROJECT_NAME}-mesh-batman $rootdir/var/lib/batman
fi
echo '[Unit]' > $rootdir/etc/systemd/system/batman.service
echo 'Description=B.A.T.M.A.N. Advanced' >> $rootdir/etc/systemd/system/batman.service
echo '' >> $rootdir/etc/systemd/system/batman.service
echo '[Service]' >> $rootdir/etc/systemd/system/batman.service
echo 'Type=oneshot' >> $rootdir/etc/systemd/system/batman.service
echo "ExecStart=/var/lib/batman start" >> $rootdir/etc/systemd/system/batman.service
echo "ExecStop=/var/lib/batman stop" >> $rootdir/etc/systemd/system/batman.service
echo 'RemainAfterExit=yes' >> $rootdir/etc/systemd/system/batman.service
echo '' >> $rootdir/etc/systemd/system/batman.service
echo '# Allow time for the server to start/stop' >> $rootdir/etc/systemd/system/batman.service
echo 'TimeoutSec=300' >> $rootdir/etc/systemd/system/batman.service
echo '' >> $rootdir/etc/systemd/system/batman.service
echo '[Install]' >> $rootdir/etc/systemd/system/batman.service
echo 'WantedBy=multi-user.target' >> $rootdir/etc/systemd/system/batman.service
chroot "$rootdir" systemctl enable batman
}
initialise_mesh() {
if [[ $VARIANT != "mesh" ]]; then
return
fi
mesh_avahi
mesh_batman
#MESH_SERVICE='mesh-setup.service'
#MESH_SETUP_DAEMON=$rootdir/etc/systemd/system/$MESH_SERVICE
#echo '[Unit]' > $MESH_SETUP_DAEMON
#echo 'Description=Initial mesh router configuration' >> $MESH_SETUP_DAEMON
#echo 'After=syslog.target' >> $MESH_SETUP_DAEMON
#echo 'After=network.target' >> $MESH_SETUP_DAEMON
#echo '[Service]' >> $MESH_SETUP_DAEMON
#echo 'Type=simple' >> $MESH_SETUP_DAEMON
#echo 'User=root' >> $MESH_SETUP_DAEMON
#echo 'Group=root' >> $MESH_SETUP_DAEMON
#echo 'WorkingDirectory=/root' >> $MESH_SETUP_DAEMON
#echo "ExecStart=/usr/local/bin/${PROJECT_NAME}-image-mesh > /var/log/mesh-setup.log" >> $MESH_SETUP_DAEMON
#echo '' >> $MESH_SETUP_DAEMON
#echo 'TimeoutSec=99999' >> $MESH_SETUP_DAEMON
#echo '' >> $MESH_SETUP_DAEMON
#echo '[Install]' >> $MESH_SETUP_DAEMON
#echo 'WantedBy=multi-user.target' >> $MESH_SETUP_DAEMON
#chroot "$rootdir" systemctl enable $MESH_SERVICE
}
# Set to true/false to control if eatmydata is used during build
use_eatmydata=true
rootdir="$1"
fmdir="$(pwd)"
image="$fmdir"/"$2"
cd "$rootdir"
echo info: building $MACHINE for $ARCHITECTURE
export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
export LC_ALL=C LANGUAGE=C LANG=C
# Override libpam-tmpdir setting during build, as the directories
# are not created yet.
export TMP=/tmp/ TMPDIR=/tmp/
username=$MY_USERNAME
echo $"warning: creating initial user $username with well known password!"
password=$MY_PASSWORD
chroot "$rootdir" adduser --gecos $username --disabled-password $username
echo $username:$password | chroot $rootdir /usr/sbin/chpasswd
chroot "$rootdir" adduser $username sudo
case "$MACHINE" in
virtualbox)
# hide irrelevant console keyboard messages.
echo "echo \"4 4 1 7\" > /proc/sys/kernel/printk" \
>> /etc/init.d/rc.local
;;
qemu)
# hide irrelevant console keyboard messages.
echo "echo \"4 4 1 7\" > /proc/sys/kernel/printk" \
>> /etc/init.d/rc.local
;;
esac
set_apt_sources $BUILD_MIRROR
chroot "$rootdir" apt-get update
cat > $rootdir/usr/sbin/policy-rc.d <&1 | \
tee $rootdir/var/log/${PROJECT_NAME}-image-hardware-setup.log
rm $rootdir/usr/sbin/policy-rc.d
# Set up HRNG for systems known to have one
# Otherwise install haveged
if [[ "$MACHINE" != "beaglebone" ]]; then
chroot $rootdir apt-get -y install haveged
else
chroot $rootdir apt-get -y install rng-tools
sed -i 's|#HRNGDEVICE=/dev/hwrng|HRNGDEVICE=/dev/hwrng|g' $rootdir/etc/default/rng-tools
fi
# copy u-boot to beginning of image
case "$MACHINE" in
beaglebone)
dd if=$rootdir/usr/lib/u-boot/am335x_boneblack/MLO of="$image" \
count=1 seek=1 conv=notrunc bs=128k
dd if=$rootdir/usr/lib/u-boot/am335x_boneblack/u-boot.img of="$image" \
count=2 seek=1 conv=notrunc bs=384k
;;
cubieboard2)
dd if=$rootdir/usr/lib/u-boot/Cubieboard2/u-boot-sunxi-with-spl.bin of="$image" \
seek=8 conv=notrunc bs=1k
;;
esac
if $use_eatmydata ; then
disable_eatmydata_override
fi
set_apt_sources $MIRROR
chroot "$rootdir" apt-get update
configure_ssh
configure_networking
admin_user_sudo
create_generic_image
atheros_wifi
continue_installation
initialise_mesh
cd /
echo $"info: killing leftover processes in chroot"
fuser -mvk $rootdir/. || true