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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Setup functions
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Different system variants which may be specified within
# the SYSTEM_TYPE option
VARIANT_FULL="full"
VARIANT_WRITER="writer"
VARIANT_CLOUD="cloud"
VARIANT_CHAT="chat"
VARIANT_MAILBOX="mailbox"
VARIANT_NONMAILBOX="nonmailbox"
VARIANT_SOCIAL="social"
VARIANT_MEDIA="media"
VARIANT_DEVELOPER="developer"
VARIANT_MESH="mesh"
DEFAULT_DOMAIN_NAME=
DEFAULT_DOMAIN_CODE=
MY_USERNAME=
SYSTEM_TYPE=$VARIANT_FULL
# An optional configuration file which overrides some of these variables
CONFIGURATION_FILE="${PROJECT_NAME}.cfg"
# Directory where source code is downloaded and compiled
INSTALL_DIR=$HOME/build
# device name for an attached usb drive
USB_DRIVE=/dev/sda1
# Location where the USB drive is mounted to
USB_MOUNT=/mnt/usb
# Number of days to keep backups for
BACKUP_MAX_DAYS=30
# file containing a list of remote locations to backup to
# Format: [username@friendsdomain//home/username] [ssh_password]
# With the only space character being between the server and the password
FRIENDS_SERVERS_LIST=/home/$MY_USERNAME/backup.list
export DEBIAN_FRONTEND=noninteractive
# used to limit CPU usage
CPULIMIT='/usr/bin/cpulimit -l 20 -e'
# command to create a git repository
CREATE_GIT_PROJECT_COMMAND='create-project'
# File which keeps track of what has already been installed
COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
# log file where details of remote backups are stored
REMOTE_BACKUPS_LOG=/var/log/remotebackups.log
# message if something fails to install
CHECK_MESSAGE="Check your internet connection, /etc/network/interfaces and /etc/resolv.conf, then delete $COMPLETION_FILE, run 'rm -fR /var/lib/apt/lists/* && apt-get update --fix-missing' and run this script again. If hash sum mismatches persist then try setting $DEBIAN_REPO to a different mirror and also change /etc/apt/sources.list."
# Default diffie-hellman key length in bits
DH_KEYLENGTH=2048
function initial_setup {
if grep -Fxq "initial_setup" $COMPLETION_FILE; then
return
fi
apt-get -y remove --purge apache*
apt-get -y dist-upgrade
apt-get -y install ca-certificates emacs24 cpulimit
apt-get -y install cryptsetup libgfshare-bin obnam sshpass wget
apt-get -y install avahi-daemon avahi-utils avahi-discover
apt-get -y install connect-proxy
if [ ! -d $INSTALL_DIR ]; then
mkdir -p $INSTALL_DIR
fi
echo 'initial_setup' >> $COMPLETION_FILE
}
function search_for_attached_usb_drive {
# If a USB drive is attached then search for email,
# gpg, ssh keys and emacs configuration
if grep -Fxq "search_for_attached_usb_drive" $COMPLETION_FILE; then
return
fi
if [ -b $USB_DRIVE ]; then
if [ ! -d $USB_MOUNT ]; then
echo $'Mounting USB drive'
mkdir $USB_MOUNT
mount $USB_DRIVE $USB_MOUNT
fi
if ! [[ $SYSTEM_TYPE == "$VARIANT_WRITER" || $SYSTEM_TYPE == "$VARIANT_CLOUD" || $SYSTEM_TYPE == "$VARIANT_CHAT" || $SYSTEM_TYPE == "$VARIANT_SOCIAL" || $SYSTEM_TYPE == "$VARIANT_MEDIA" || $SYSTEM_TYPE == "$VARIANT_DEVELOPER" || $SYSTEM_TYPE == "$VARIANT_MESH" || $SYSTEM_TYPE == "$VARIANT_NONMAILBOX" ]]; then
if [ -d $USB_MOUNT/Maildir ]; then
echo $'Maildir found on USB drive'
IMPORT_MAILDIR=$USB_MOUNT/Maildir
fi
if [ -d $USB_MOUNT/.gnupg ]; then
echo $'Importing GPG keyring'
cp -r $USB_MOUNT/.gnupg /home/$MY_USERNAME
chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.gnupg
GPG_KEYS_IMPORTED="yes"
if [ ! -f /home/$MY_USERNAME/.gnupg/secring.gpg ]; then
echo $'GPG files did not copy'
exit 73529
fi
fi
if [ -f $USB_MOUNT/.procmailrc ]; then
echo $'Importing procmail settings'
cp $USB_MOUNT/.procmailrc /home/$MY_USERNAME
chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.procmailrc
fi
if [ -f $USB_MOUNT/private_key.gpg ]; then
echo $'GPG private key found on USB drive'
MY_GPG_PRIVATE_KEY=$USB_MOUNT/private_key.gpg
fi
if [ -f $USB_MOUNT/public_key.gpg ]; then
echo $'GPG public key found on USB drive'
MY_GPG_PUBLIC_KEY=$USB_MOUNT/public_key.gpg
fi
fi
if [ -d $USB_MOUNT/prosody ]; then
if [ ! -d $XMPP_DIRECTORY ]; then
mkdir $XMPP_DIRECTORY
fi
cp -r $USB_MOUNT/prosody/* $XMPP_DIRECTORY
chown -R prosody:prosody $XMPP_DIRECTORY
fi
if [ -d $USB_MOUNT/.ssh ]; then
echo $'Importing ssh keys'
cp -r $USB_MOUNT/.ssh /home/$MY_USERNAME
chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh
# for security delete the ssh keys from the usb drive
if [ ! -f /home/$MY_USERNAME/.ssh/id_rsa ]; then
echo $'ssh files did not copy'
exit 8
fi
fi
if [ -f $USB_MOUNT/.emacs ]; then
echo $'Importing .emacs file'
cp -f $USB_MOUNT/.emacs /home/$MY_USERNAME/.emacs
chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.emacs
fi
if [ -d $USB_MOUNT/.emacs.d ]; then
echo $'Importing .emacs.d directory'
cp -r $USB_MOUNT/.emacs.d /home/$MY_USERNAME
chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.emacs.d
fi
if [ -d $USB_MOUNT/ssl ]; then
echo $'Importing SSL certificates'
cp -r $USB_MOUNT/ssl/* /etc/ssl
chmod 640 /etc/ssl/certs/*
chmod 400 /etc/ssl/private/*
# change ownership of some certificates
if [ -d /etc/prosody ]; then
chown prosody:prosody /etc/ssl/private/xmpp.*
chown prosody:prosody /etc/ssl/certs/xmpp.*
fi
if [ -d /etc/dovecot ]; then
chown root:dovecot /etc/ssl/certs/dovecot.*
chown root:dovecot /etc/ssl/private/dovecot.*
fi
if [ -f /etc/ssl/private/exim.key ]; then
cp /etc/ssl/private/exim.key /etc/exim4
cp /etc/ssl/certs/exim.crt /etc/exim4
cp /etc/ssl/certs/exim.dhparam /etc/exim4
chown root:Debian-exim /etc/exim4/exim.key /etc/exim4/exim.crt /etc/exim4/exim.dhparam
chmod 640 /etc/exim4/exim.key /etc/exim4/exim.crt /etc/exim4/exim.dhparam
fi
fi
if [ -d $USB_MOUNT/personal ]; then
echo $'Importing personal directory'
cp -r $USB_MOUNT/personal /home/$MY_USERNAME
chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/personal
fi
else
if [ -d $USB_MOUNT ]; then
umount $USB_MOUNT
rm -rf $USB_MOUNT
fi
echo $'No USB drive attached'
fi
echo 'search_for_attached_usb_drive' >> $COMPLETION_FILE
}
function mark_admin_user_account {
if ! grep -q "Admin user:" $COMPLETION_FILE; then
echo "Admin user:$MY_USERNAME" >> $COMPLETION_FILE
fi
}
function remove_instructions_from_motd {
sed -i '/## /d' /etc/motd
}
function remove_default_user {
# make sure you don't use the default user account
if [[ $MY_USERNAME == "debian" ]]; then
echo 'Do not use the default debian user account. Create a different user with: adduser [username]'
exit 68
fi
# remove the default debian user to prevent it from becoming an attack vector
if [ -d /home/debian ]; then
userdel -r debian
echo 'Default debian user account removed'
fi
}
function setup_firewall {
configure_firewall
configure_firewall_ping
configure_firewall_for_dns
configure_firewall_for_avahi
}
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function setup_utils {
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read_configuration
set_default_onion_domains
locale_setup
parse_args
check_domains
install_static_network
remove_default_user
setup_firewall
create_repo_sources
configure_dns
initial_setup
install_tor
#resolve_dns_via_tor
install_command_line_browser
enable_ssh_via_onion
check_date
install_dynamicdns
randomize_cron
create_freedns_updater
mark_admin_user_account
enforce_good_passwords
install_editor
change_login_message
enable_zram
random_number_generator
set_your_domain_name
time_synchronisation_tlsdate
configure_internet_protocol
create_git_project
setup_wifi
configure_ssh
configure_ssh_onion
allow_ssh_to_onion_address
remove_instructions_from_motd
check_hwrng
search_for_attached_usb_drive
regenerate_ssh_keys
create_mirrors
create_upgrade_script
letsencrypt_renewals
install_watchdog_script
configure_avahi
create_avahi_onion_domains
#install_atheros_wifi
route_outgoing_traffic_through_tor
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upgrade_golang
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}
function setup_email {
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install_email
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create_procmail
handle_admin_emails
spam_filtering
configure_imap
#configure_imap_client_certs
configure_gpg
refresh_gpg_keys
configure_backup_key
install_monkeysphere
encrypt_incoming_email
encrypt_outgoing_email
email_client
email_archiving
email_from_address
create_public_mailing_list
#create_private_mailing_list
encrypt_all_email
import_email
}
function setup_web {
install_web_server
install_web_server_access_control
}
function setup_apps {
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function_check choose_apps_for_variant
choose_apps_for_variant "$SYSTEM_TYPE"
echo $"System variant: $SYSTEM_TYPE"
echo $'The following apps have been selected'
echo ''
function_check list_chosen_apps
list_chosen_apps
echo ''
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function_check install_apps
install_apps
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}
# NOTE: deliberately no exit 0
