freedombone/install-freedombone.sh

737 lines
36 KiB
Bash
Executable File
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/bin/bash
# Freedombone install script intended for use with Debian Jessie
DOMAIN_NAME=$1
MY_USERNAME=$2
SSH_PORT=2222
KERNEL_VERSION="v3.15.10-bone7"
# Directory where source code is downloaded and compiled
INSTALL_DIR=/root/build
export DEBIAN_FRONTEND=noninteractive
function argument_checks {
if [ ! $DOMAIN_NAME ]; then
echo "Please specify your domain name"
exit
fi
if [ ! $MY_USERNAME ]; then
echo "Please specify your username"
exit
fi
}
function initial_setup {
apt-get -y update
apt-get -y dist-upgrade
apt-get -y install ca-certificates emacs24
}
function install_editor {
update-alternatives --set editor /usr/bin/emacs24
}
function enable_backports {
echo "deb http://ftp.us.debian.org/debian jessie-backports main" >> /etc/apt/sources.list
}
function remove_proprietary_repos {
sed -i 's/ non-free//g' /etc/apt/sources.list
}
function update_the_kernel {
cd /opt/scripts/tools
./update_kernel.sh --kernel $KERNEL_VERSION
}
function enable_zram {
echo "options zram num_devices=1" >> /etc/modprobe.d/zram.conf
echo '#!/bin/bash' > /etc/init.d/zram
echo '### BEGIN INIT INFO' >> /etc/init.d/zram
echo '# Provides: zram' >> /etc/init.d/zram
echo '# Required-Start:' >> /etc/init.d/zram
echo '# Required-Stop:' >> /etc/init.d/zram
echo '# Default-Start: 2 3 4 5' >> /etc/init.d/zram
echo '# Default-Stop: 0 1 6' >> /etc/init.d/zram
echo '# Short-Description: Increased Performance In Linux With zRam (Virtual Swap Compressed in RAM)' >> /etc/init.d/zram
echo '# Description: Adapted from systemd scripts at https://github.com/mystilleef/FedoraZram' >> /etc/init.d/zram
echo '### END INIT INFO' >> /etc/init.d/zram
echo 'start() {' >> /etc/init.d/zram
echo ' # get the number of CPUs' >> /etc/init.d/zram
echo ' num_cpus=$(grep -c processor /proc/cpuinfo)' >> /etc/init.d/zram
echo ' # if something goes wrong, assume we have 1' >> /etc/init.d/zram
echo ' [ "$num_cpus" != 0 ] || num_cpus=1' >> /etc/init.d/zram
echo ' # set decremented number of CPUs' >> /etc/init.d/zram
echo ' decr_num_cpus=$((num_cpus - 1))' >> /etc/init.d/zram
echo ' # get the amount of memory in the machine' >> /etc/init.d/zram
echo ' mem_total_kb=$(grep MemTotal /proc/meminfo | grep -E --only-matching "[[:digit:]]+")' >> /etc/init.d/zram
echo ' mem_total=$((mem_total_kb * 1024))' >> /etc/init.d/zram
echo ' # load dependency modules' >> /etc/init.d/zram
echo ' modprobe zram num_devices=$num_cpus' >> /etc/init.d/zram
echo ' # initialize the devices' >> /etc/init.d/zram
echo ' for i in $(seq 0 $decr_num_cpus); do' >> /etc/init.d/zram
echo ' echo $((mem_total / num_cpus)) > /sys/block/zram$i/disksize' >> /etc/init.d/zram
echo ' done' >> /etc/init.d/zram
echo ' # Creating swap filesystems' >> /etc/init.d/zram
echo ' for i in $(seq 0 $decr_num_cpus); do' >> /etc/init.d/zram
echo ' mkswap /dev/zram$i' >> /etc/init.d/zram
echo ' done' >> /etc/init.d/zram
echo ' # Switch the swaps on' >> /etc/init.d/zram
echo ' for i in $(seq 0 $decr_num_cpus); do' >> /etc/init.d/zram
echo ' swapon -p 100 /dev/zram$i' >> /etc/init.d/zram
echo ' done' >> /etc/init.d/zram
echo '}' >> /etc/init.d/zram
echo 'stop() {' >> /etc/init.d/zram
echo ' # get the number of CPUs' >> /etc/init.d/zram
echo ' num_cpus=$(grep -c processor /proc/cpuinfo)' >> /etc/init.d/zram
echo ' # set decremented number of CPUs' >> /etc/init.d/zram
echo ' decr_num_cpus=$((num_cpus - 1))' >> /etc/init.d/zram
echo ' # Switching off swap' >> /etc/init.d/zram
echo ' for i in $(seq 0 $decr_num_cpus); do' >> /etc/init.d/zram
echo ' if [ "$(grep /dev/zram$i /proc/swaps)" != "" ]; then' >> /etc/init.d/zram
echo ' swapoff /dev/zram$i' >> /etc/init.d/zram
echo ' sleep 1' >> /etc/init.d/zram
echo ' fi' >> /etc/init.d/zram
echo ' done' >> /etc/init.d/zram
echo ' sleep 1' >> /etc/init.d/zram
echo ' rmmod zram' >> /etc/init.d/zram
echo '}' >> /etc/init.d/zram
echo 'case "$1" in' >> /etc/init.d/zram
echo ' start)' >> /etc/init.d/zram
echo ' start' >> /etc/init.d/zram
echo ' ;;' >> /etc/init.d/zram
echo ' stop)' >> /etc/init.d/zram
echo ' stop' >> /etc/init.d/zram
echo ' ;;' >> /etc/init.d/zram
echo ' restart)' >> /etc/init.d/zram
echo ' stop' >> /etc/init.d/zram
echo ' sleep 3' >> /etc/init.d/zram
echo ' start' >> /etc/init.d/zram
echo ' ;;' >> /etc/init.d/zram
echo ' *)' >> /etc/init.d/zram
echo ' echo "Usage: $0 {start|stop|restart}"' >> /etc/init.d/zram
echo ' RETVAL=1' >> /etc/init.d/zram
echo 'esac' >> /etc/init.d/zram
echo 'exit $RETVAL' >> /etc/init.d/zram
chmod +x /etc/init.d/zram
update-rc.d zram defaults
}
function hardware_random_number_generator {
apt-get -y install rng-tools
sed -i 's|#HRNGDEVICE=/dev/hwrng|HRNGDEVICE=/dev/hwrng|g' /etc/default/rng-tools
service rng-tools restart
}
function configure_ssh {
sed -i 's/Port 22/Port $SSH_PORT/g' /etc/ssh/sshd_config
sed -i 's/PermitRootLogin without-password/PermitRootLogin no/g' /etc/ssh/sshd_config
sed -i 's/X11Forwarding yes/X11Forwarding no/g' /etc/ssh/sshd_config
sed -i 's/ServerKeyBits 1024/ServerKeyBits 4096/g' /etc/ssh/sshd_config
sed -i 's/TCPKeepAlive yes/TCPKeepAlive no/g' /etc/ssh/sshd_config
sed -i 's|HostKey /etc/ssh/ssh_host_dsa_key|#HostKey /etc/ssh/ssh_host_dsa_key|g' /etc/ssh/sshd_config
sed -i 's|HostKey /etc/ssh/ssh_host_ecdsa_key|#HostKey /etc/ssh/ssh_host_ecdsa_key|g' /etc/ssh/sshd_config
echo 'ClientAliveInterval 60' >> /etc/ssh/sshd_config
echo 'ClientAliveCountMax 3' >> /etc/ssh/sshd_config
echo 'Ciphers aes256-ctr,aes128-ctr' >> /etc/ssh/sshd_config
echo 'MACs hmac-sha2-512,hmac-sha2-256,hmac-ripemd160
KexAlgorithms diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1' >> /etc/ssh/sshd_config
service ssh restart
apt-get -y install fail2ban
}
function regenerate_ssh_keys {
rm -f /etc/ssh/ssh_host_*
dpkg-reconfigure openssh-server
service ssh restart
}
function set_your_domain_name {
echo "$DOMAIN_NAME" > /etc/hostname
hostname $DOMAIN_NAME
echo "127.0.1.1 $DOMAIN_NAME" >> /etc/hosts
}
function time_synchronisation {
apt-get -y install build-essential automake git pkg-config autoconf libtool libssl-dev
apt-get -y remove ntpdate
mkdir $INSTALL_DIR
cd $INSTALL_DIR
git clone https://github.com/ioerror/tlsdate.git
cd $INSTALL_DIR/tlsdate
./autogen.sh
./configure
make
make install
echo '#!/bin/bash' > /usr/bin/updatedate
echo 'TIMESOURCE=google.com' >> /usr/bin/updatedate
echo 'TIMESOURCE2=www.ptb.de' >> /usr/bin/updatedate
echo 'LOGFILE=/var/log/tlsdate.log' >> /usr/bin/updatedate
echo 'TIMEOUT=5' >> /usr/bin/updatedate
echo "EMAIL=$MY_USERNAME@$DOMAIN_NAME" >> /usr/bin/updatedate
echo '# File which contains the previous date as a number' >> /usr/bin/updatedate
echo 'BEFORE_DATE_FILE=/var/log/tlsdateprevious.txt' >> /usr/bin/updatedate
echo '# File which contains the previous date as a string' >> /usr/bin/updatedate
echo 'BEFORE_FULLDATE_FILE=/var/log/tlsdate.txt' >> /usr/bin/updatedate
echo 'DATE_BEFORE=$(date)' >> /usr/bin/updatedate
echo 'BEFORE=$(date -d "$Y-$M-$D" "+%s")' >> /usr/bin/updatedate
echo 'BACKWARDS_BETWEEN=0' >> /usr/bin/updatedate
echo '# If the date was previously set' >> /usr/bin/updatedate
echo 'if [[ -f "$BEFORE_DATE_FILE" ]]; then' >> /usr/bin/updatedate
echo ' BEFORE_FILE=$(cat $BEFORE_DATE_FILE)' >> /usr/bin/updatedate
echo ' BEFORE_FULLDATE=$(cat $BEFORE_FULLDATE_FILE)' >> /usr/bin/updatedate
echo ' # is the date going backwards?' >> /usr/bin/updatedate
echo ' if (( BEFORE_FILE > BEFORE )); then' >> /usr/bin/updatedate
echo ' echo -n "Date went backwards between tlsdate updates. " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n "$BEFORE_FILE > $BEFORE, " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo "$BEFORE_FULLDATE > $DATE_BEFORE" >> $LOGFILE' >> /usr/bin/updatedate
echo ' # Send a warning email' > /usr/bin/updatedate
echo ' echo $(tail $LOGFILE -n 2) | mail -s "tlsdate anomaly" $EMAIL' >> /usr/bin/updatedate
echo ' # Try another time source' >> /usr/bin/updatedate
echo ' TIMESOURCE=$TIMESOURCE2' >> /usr/bin/updatedate
echo ' # try running without any parameters' >> /usr/bin/updatedate
echo ' tlsdate >> $LOGFILE' >> /usr/bin/updatedate
echo ' BACKWARDS_BETWEEN=1' >> /usr/bin/updatedate
echo ' fi' >> /usr/bin/updatedate
echo 'fi' >> /usr/bin/updatedate
echo '# Set the date' >> /usr/bin/updatedate
echo '/usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE -p 443 >> $LOGFILE' >> /usr/bin/updatedate
echo 'DATE_AFTER=$(date)' >> /usr/bin/updatedate
echo 'AFTER=$(date -d "$Y-$M-$D" '+%s')' >> /usr/bin/updatedate
echo '# After setting the date did it go backwards?' >> /usr/bin/updatedate
echo 'if (( AFTER < BEFORE )); then' >> /usr/bin/updatedate
echo ' echo "Incorrect date: $DATE_BEFORE -> $DATE_AFTER" >> $LOGFILE' >> /usr/bin/updatedate
echo ' # Send a warning email' >> /usr/bin/updatedate
echo ' echo $(tail $LOGFILE -n 2) | mail -s "tlsdate anomaly" $EMAIL' >> /usr/bin/updatedate
echo ' # Try resetting the date from another time source' >> /usr/bin/updatedate
echo ' /usr/bin/timeout $TIMEOUT tlsdate -l -t -H $TIMESOURCE2 -p 443 >> $LOGFILE' >> /usr/bin/updatedate
echo ' DATE_AFTER=$(date)' >> /usr/bin/updatedate
echo ' AFTER=$(date -d "$Y-$M-$D" "+%s")' >> /usr/bin/updatedate
echo 'else' >> /usr/bin/updatedate
echo ' echo -n $TIMESOURCE >> $LOGFILE' >> /usr/bin/updatedate
echo ' if [[ -f "$BEFORE_DATE_FILE" ]]; then' >> /usr/bin/updatedate
echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n $BEFORE_FILE >> $LOGFILE' >> /usr/bin/updatedate
echo ' fi' >> /usr/bin/updatedate
echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n $BEFORE >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n $AFTER >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo -n " " >> $LOGFILE' >> /usr/bin/updatedate
echo ' echo $DATE_AFTER >> $LOGFILE' >> /usr/bin/updatedate
echo 'fi' >> /usr/bin/updatedate
echo '# Log the last date' >> /usr/bin/updatedate
echo 'if [ BACKWARDS_BETWEEN == 0 ]; then' >> /usr/bin/updatedate
echo ' echo "$AFTER" > $BEFORE_DATE_FILE' >> /usr/bin/updatedate
echo ' echo "$DATE_AFTER" > $BEFORE_FULLDATE_FILE' >> /usr/bin/updatedate
echo ' exit 0' >> /usr/bin/updatedate
echo 'else' >> /usr/bin/updatedate
echo ' exit 1' >> /usr/bin/updatedate
echo 'fi' >> /usr/bin/updatedate
chmod +x /usr/bin/updatedate
echo '*/15 * * * * root /usr/bin/updatedate' >> /etc/crontab
service cron restart
echo '#!/bin/bash' > /etc/init.d/tlsdate
echo '# /etc/init.d/tlsdate' >> /etc/init.d/tlsdate
echo '### BEGIN INIT INFO' >> /etc/init.d/tlsdate
echo '# Provides: tlsdate' >> /etc/init.d/tlsdate
echo '# Required-Start: $remote_fs $syslog' >> /etc/init.d/tlsdate
echo '# Required-Stop: $remote_fs $syslog' >> /etc/init.d/tlsdate
echo '# Default-Start: 2 3 4 5' >> /etc/init.d/tlsdate
echo '# Default-Stop: 0 1 6' >> /etc/init.d/tlsdate
echo '# Short-Description: Initially calls tlsdate with the timewarp option' >> /etc/init.d/tlsdate
echo '# Description: Initially calls tlsdate with the timewarp option' >> /etc/init.d/tlsdate
echo '### END INIT INFO' >> /etc/init.d/tlsdate
echo '# Author: Bob Mottram <bob@robotics.uk.to>' >> /etc/init.d/tlsdate
echo 'PATH="/usr/local/sbin:/usr/local/bin:/usr/bin:/sbin:/usr/sbin:/bin"' >> /etc/init.d/tlsdate
echo 'LOGFILE="/var/log/tlsdate.log"' >> /etc/init.d/tlsdate
echo 'TLSDATECOMMAND="tlsdate --timewarp -l -H www.ptb.de -p 443 >> $LOGFILE"' >> /etc/init.d/tlsdate
echo '#Start-Stop here' >> /etc/init.d/tlsdate
echo 'case "$1" in' >> /etc/init.d/tlsdate
echo ' start)' >> /etc/init.d/tlsdate
echo ' echo "tlsdate started"' >> /etc/init.d/tlsdate
echo ' $TLSDATECOMMAND' >> /etc/init.d/tlsdate
echo ' ;;' >> /etc/init.d/tlsdate
echo ' stop)' >> /etc/init.d/tlsdate
echo ' echo "tlsdate stopped"' >> /etc/init.d/tlsdate
echo ' ;;' >> /etc/init.d/tlsdate
echo ' restart)' >> /etc/init.d/tlsdate
echo ' echo "tlsdate restarted"' >> /etc/init.d/tlsdate
echo ' $TLSDATECOMMAND' >> /etc/init.d/tlsdate
echo ' ;;' >> /etc/init.d/tlsdate
echo ' *)' >> /etc/init.d/tlsdate
echo ' echo "Usage: $0 {start|stop|restart}"' >> /etc/init.d/tlsdate
echo ' exit 1' >> /etc/init.d/tlsdate
echo ' ;;' >> /etc/init.d/tlsdate
echo 'esac' >> /etc/init.d/tlsdate
echo 'exit 0' >> /etc/init.d/tlsdate
chmod +x /etc/init.d/tlsdate
update-rc.d tlsdate defaults
}
function defend_against_port_scanning {
apt-get -y install portsentry
}
function configure_firewall {
iptables -P INPUT ACCEPT
ip6tables -P INPUT ACCEPT
iptables -F
ip6tables -F
iptables -X
ip6tables -X
iptables -P INPUT DROP
ip6tables -P INPUT DROP
}
function configure_firewall_for_ssh {
iptables -A INPUT -i eth0 -p tcp --dport $SSH_PORT -j ACCEPT
}
function configure_firewall_for_email {
iptables -A INPUT -i eth0 -p tcp --dport 25 -j ACCEPT
iptables -A INPUT -i eth0 -p tcp --dport 587 -j ACCEPT
iptables -A INPUT -i eth0 -p tcp --dport 465 -j ACCEPT
iptables -A INPUT -i eth0 -p tcp --dport 993 -j ACCEPT
}
function save_firewall_settings {
iptables-save > /etc/firewall.conf
ip6tables-save > /etc/firewall6.conf
printf '#!/bin/sh\n' > /etc/network/if-up.d/iptables
printf 'iptables-restore < /etc/firewall.conf\n' >> /etc/network/if-up.d/iptables
printf 'ip6tables-restore < /etc/firewall6.conf\n' >> /etc/network/if-up.d/iptables
chmod +x /etc/network/if-up.d/iptables
}
function configure_internet_protocol {
sed -i "s/#net.ipv4.tcp_syncookies=1/net.ipv4.tcp_syncookies=1/g" /etc/sysctl.conf
sed -i "s/#net.ipv4.conf.all.accept_redirects = 0/net.ipv4.conf.all.accept_redirects = 0/g" /etc/sysctl.conf
sed -i "s/#net.ipv6.conf.all.accept_redirects = 0/net.ipv6.conf.all.accept_redirects = 0/g" /etc/sysctl.conf
sed -i "s/#net.ipv4.conf.all.send_redirects = 0/net.ipv4.conf.all.send_redirects = 0/g" /etc/sysctl.conf
sed -i "s/#net.ipv4.conf.all.accept_source_route = 0/net.ipv4.conf.all.accept_source_route = 0/g" /etc/sysctl.conf
sed -i "s/#net.ipv6.conf.all.accept_source_route = 0/net.ipv6.conf.all.accept_source_route = 0/g" /etc/sysctl.conf
sed -i "s/#net.ipv4.conf.default.rp_filter=1/net.ipv4.conf.default.rp_filter=1/g" /etc/sysctl.conf
sed -i "s/#net.ipv4.conf.all.rp_filter=1/net.ipv4.conf.all.rp_filter=1/g" /etc/sysctl.conf
sed -i "s/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=0/g" /etc/sysctl.conf
sed -i "s/#net.ipv6.conf.all.forwarding=1/net.ipv6.conf.all.forwarding=0/g" /etc/sysctl.conf
echo '# ignore pings' >> /etc/sysctl.conf
echo 'net.ipv4.icmp_echo_ignore_all = 1' >> /etc/sysctl.conf
echo 'net.ipv6.icmp_echo_ignore_all = 1' >> /etc/sysctl.conf
echo '# disable ipv6' >> /etc/sysctl.conf
echo 'net.ipv6.conf.all.disable_ipv6 = 1' >> /etc/sysctl.conf
echo 'net.ipv4.tcp_synack_retries = 2' >> /etc/sysctl.conf
echo 'net.ipv4.tcp_syn_retries = 1' >> /etc/sysctl.conf
echo '# keepalive' >> /etc/sysctl.conf
echo 'net.ipv4.tcp_keepalive_probes = 9' >> /etc/sysctl.conf
echo 'net.ipv4.tcp_keepalive_intvl = 75' >> /etc/sysctl.conf
echo 'net.ipv4.tcp_keepalive_time = 7200' >> /etc/sysctl.conf
}
function script_to_make_self_signed_certificates {
echo '#!/bin/bash' > /usr/bin/makecert
echo 'HOSTNAME=$1' >> /usr/bin/makecert
echo 'COUNTRY_CODE="US"' >> /usr/bin/makecert
echo 'AREA="Free Speech Zone"' >> /usr/bin/makecert
echo 'LOCATION="Freedomville"' >> /usr/bin/makecert
echo 'ORGANISATION="Freedombone"' >> /usr/bin/makecert
echo 'UNIT="Freedombone Unit"' >> /usr/bin/makecert
echo 'if ! which openssl > /dev/null ;then' >> /usr/bin/makecert
echo ' echo "$0: openssl is not installed, exiting" 1>&2' >> /usr/bin/makecert
echo ' exit 1' >> /usr/bin/makecert
echo 'fi' >> /usr/bin/makecert
echo 'openssl req -x509 -nodes -days 3650 -sha256 -subj "/O=$ORGANISATION/OU=$UNIT/C=$COUNTRY_CODE/ST=$AREA/L=$LOCATION/CN=$HOSTNAME" -newkey rsa:4096 -keyout /etc/ssl/private/$HOSTNAME.key -out /etc/ssl/certs/$HOSTNAME.crt' >> /usr/bin/makecert
echo 'openssl dhparam -check -text -5 1024 -out /etc/ssl/certs/$HOSTNAME.dhparam' >> /usr/bin/makecert
echo 'chmod 400 /etc/ssl/private/$HOSTNAME.key' >> /usr/bin/makecert
echo 'chmod 640 /etc/ssl/certs/$HOSTNAME.crt' >> /usr/bin/makecert
echo 'chmod 640 /etc/ssl/certs/$HOSTNAME.dhparam' >> /usr/bin/makecert
echo '/etc/init.d/nginx reload' >> /usr/bin/makecert
echo '# add the public certificate to a separate directory' >> /usr/bin/makecert
echo '# so that we can redistribute it easily' >> /usr/bin/makecert
echo 'if [ ! -d /etc/ssl/mycerts ]; then' >> /usr/bin/makecert
echo ' mkdir /etc/ssl/mycerts' >> /usr/bin/makecert
echo 'fi' >> /usr/bin/makecert
echo 'cp /etc/ssl/certs/$HOSTNAME.crt /etc/ssl/mycerts' >> /usr/bin/makecert
echo '# Create a bundle of your certificates' >> /usr/bin/makecert
echo 'cat /etc/ssl/mycerts/*.crt > /etc/ssl/freedombone-bundle.crt' >> /usr/bin/makecert
echo 'tar -czvf /etc/ssl/freedombone-certs.tar.gz /etc/ssl/mycerts/*.crt' >> /usr/bin/makecert
chmod +x /usr/bin/makecert
}
function configure_email {
apt-get -y remove postfix
apt-get -y install exim4 sasl2-bin swaks libnet-ssleay-perl procmail
echo 'dc_eximconfig_configtype="internet"' > /etc/exim4/update-exim4.conf.conf
echo "dc_other_hostnames='$DOMAIN_NAME'" >> /etc/exim4/update-exim4.conf.conf
echo "dc_local_interfaces=''" >> /etc/exim4/update-exim4.conf.conf
echo "dc_readhost=''" >> /etc/exim4/update-exim4.conf.conf
echo "dc_relay_domains=''" >> /etc/exim4/update-exim4.conf.conf
echo "dc_minimaldns='false'" >> /etc/exim4/update-exim4.conf.conf
echo "dc_relay_nets='192.168.1.0/24'" >> /etc/exim4/update-exim4.conf.conf
echo "dc_smarthost=''" >> /etc/exim4/update-exim4.conf.conf
echo "CFILEMODE='644'" >> /etc/exim4/update-exim4.conf.conf
echo "dc_use_split_config='false'" >> /etc/exim4/update-exim4.conf.conf
echo "dc_hide_mailname=''" >> /etc/exim4/update-exim4.conf.conf
echo "dc_mailname_in_oh='true'" >> /etc/exim4/update-exim4.conf.conf
echo "dc_localdelivery='maildir_home'" >> /etc/exim4/update-exim4.conf.conf
update-exim4.conf
sed -i "s/START=no/START=yes/g" /etc/default/saslauthd
/etc/init.d/saslauthd start
# make a tls certificate for email
makecert exim
mv /etc/ssl/private/exim.key /etc/exim4
mv /etc/ssl/certs/exim.crt /etc/exim4
mv /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
sed -i '/login_saslauthd_server/,/.endif/ s/# *//' /etc/exim4/exim4.conf.template
sed -i "/.ifdef MAIN_HARDCODE_PRIMARY_HOSTNAME/i\MAIN_HARDCODE_PRIMARY_HOSTNAME = $DOMAIN_NAME\nMAIN_TLS_ENABLE = true" /etc/exim4/exim4.conf.template
sed -i "s|SMTPLISTENEROPTIONS=''|SMTPLISTENEROPTIONS='-oX 465:25:587 -oP /var/run/exim4/exim.pid'|g" /etc/default/exim4
sed -i '/03_exim4-config_tlsoptions/a\tls_on_connect_ports=465' /etc/exim4/exim4.conf.template
adduser $MY_USERNAME sasl
addgroup Debian-exim sasl
/etc/init.d/exim4 restart
mkdir -m 700 /etc/skel/Maildir
mkdir -m 700 /etc/skel/Maildir/Sent
mkdir -m 700 /etc/skel/Maildir/Sent/tmp
mkdir -m 700 /etc/skel/Maildir/Sent/cur
mkdir -m 700 /etc/skel/Maildir/Sent/new
mkdir -m 700 /etc/skel/Maildir/.learn-spam
mkdir -m 700 /etc/skel/Maildir/.learn-spam/cur
mkdir -m 700 /etc/skel/Maildir/.learn-spam/new
mkdir -m 700 /etc/skel/Maildir/.learn-spam/tmp
mkdir -m 700 /etc/skel/Maildir/.learn-ham
mkdir -m 700 /etc/skel/Maildir/.learn-ham/cur
mkdir -m 700 /etc/skel/Maildir/.learn-ham/new
mkdir -m 700 /etc/skel/Maildir/.learn-ham/tmp
ln -s /etc/skel/Maildir/.learn-spam /etc/skel/Maildir/spam
ln -s /etc/skel/Maildir/.learn-ham /etc/skel/Maildir/ham
if [ ! -d /home/$MY_USERNAME/Maildir ]; then
mkdir -m 700 /home/$MY_USERNAME/Maildir
mkdir -m 700 /home/$MY_USERNAME/Maildir/cur
mkdir -m 700 /home/$MY_USERNAME/Maildir/tmp
mkdir -m 700 /home/$MY_USERNAME/Maildir/new
mkdir -m 700 /home/$MY_USERNAME/Maildir/Sent
mkdir -m 700 /home/$MY_USERNAME/Maildir/Sent/cur
mkdir -m 700 /home/$MY_USERNAME/Maildir/Sent/tmp
mkdir -m 700 /home/$MY_USERNAME/Maildir/Sent/new
mkdir -m 700 /home/$MY_USERNAME/Maildir/.learn-spam
mkdir -m 700 /home/$MY_USERNAME/Maildir/.learn-spam/cur
mkdir -m 700 /home/$MY_USERNAME/Maildir/.learn-spam/new
mkdir -m 700 /home/$MY_USERNAME/Maildir/.learn-spam/tmp
mkdir -m 700 /home/$MY_USERNAME/Maildir/.learn-ham
mkdir -m 700 /home/$MY_USERNAME/Maildir/.learn-ham/cur
mkdir -m 700 /home/$MY_USERNAME/Maildir/.learn-ham/new
mkdir -m 700 /home/$MY_USERNAME/Maildir/.learn-ham/tmp
ln -s /home/$MY_USERNAME/Maildir/.learn-spam /home/$MY_USERNAME/Maildir/spam
ln -s /home/$MY_USERNAME/Maildir/.learn-ham /home/$MY_USERNAME/Maildir/ham
chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/Maildir
fi
}
function spam_filtering {
apt-get -y install spamassassin exim4-daemon-heavy
sed -i 's/ENABLED=0/ENABLED=1/g' /etc/default/spamassassin
sed -i 's/# spamd_address = 127.0.0.1 783/spamd_address = 127.0.0.1 783/g' /etc/exim4/exim4.conf.template
# This configuration is based on https://wiki.debian.org/DebianSpamAssassin
sed -i 's/local_parts = postmaster/local_parts = postmaster:abuse/g' /etc/exim4/conf.d/acl/30_exim4-config_check_rcpt
sed -i '/domains = +local_domains : +relay_to_domains/a\ set acl_m0 = rfcnames' /etc/exim4/conf.d/acl/30_exim4-config_check_rcpt
sed -i 's/accept/accept condition = ${if eq{$acl_m0}{rfcnames} {1}{0}}/g' /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo 'warn message = X-Spam-Score: $spam_score ($spam_bar)' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo ' spam = nobody:true' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo 'warn message = X-Spam-Flag: YES' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo ' spam = nobody' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo 'warn message = X-Spam-Report: $spam_report' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo ' spam = nobody' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo '# reject spam at high scores (> 12)' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo 'deny message = This message scored $spam_score spam points.' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo ' spam = nobody:true' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
echo ' condition = ${if >{$spam_score_int}{120}{1}{0}}' >> /etc/exim4/conf.d/acl/40_exim4-config_check_data
# procmail configuration
echo 'MAILDIR=$HOME/Maildir' > /home/$MY_USERNAME/.procmailrc
echo 'DEFAULT=$MAILDIR/' >> /home/$MY_USERNAME/.procmailrc
echo 'LOGFILE=$HOME/log/procmail.log' >> /home/$MY_USERNAME/.procmailrc
echo 'LOGABSTRACT=all' >> /home/$MY_USERNAME/.procmailrc
echo '# get spamassassin to check emails' >> /home/$MY_USERNAME/.procmailrc
echo ':0fw: .spamassassin.lock' >> /home/$MY_USERNAME/.procmailrc
echo ' * < 256000' >> /home/$MY_USERNAME/.procmailrc
echo '| spamc' >> /home/$MY_USERNAME/.procmailrc
echo '# strong spam are discarded' >> /home/$MY_USERNAME/.procmailrc
echo ':0' >> /home/$MY_USERNAME/.procmailrc
echo ' * ^X-Spam-Level: \*\*\*\*\*\*' >> /home/$MY_USERNAME/.procmailrc
echo '/dev/null' >> /home/$MY_USERNAME/.procmailrc
echo '# weak spam are kept just in case - clear this out every now and then' >> /home/$MY_USERNAME/.procmailrc
echo ':0' >> /home/$MY_USERNAME/.procmailrc
echo ' * ^X-Spam-Level: \*\*\*\*\*' >> /home/$MY_USERNAME/.procmailrc
echo '.0-spam/' >> /home/$MY_USERNAME/.procmailrc
echo '# otherwise, marginal spam goes here for revision' >> /home/$MY_USERNAME/.procmailrc
echo ':0' >> /home/$MY_USERNAME/.procmailrc
echo ' * ^X-Spam-Level: \*\*' >> /home/$MY_USERNAME/.procmailrc
echo '.spam/' >> /home/$MY_USERNAME/.procmailrc
chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.procmailrc
# filtering scripts
echo '#!/bin/bash' > /usr/bin/filterspam
echo 'USERNAME=$1' >> /usr/bin/filterspam
echo 'MAILDIR=/home/$USERNAME/Maildir/.learn-spam' >> /usr/bin/filterspam
echo 'if [ ! -d "$MAILDIR" ]; then' >> /usr/bin/filterspam
echo ' exit' >> /usr/bin/filterspam
echo 'fi' >> /usr/bin/filterspam
echo 'for f in `ls $MAILDIR/cur`' >> /usr/bin/filterspam
echo 'do' >> /usr/bin/filterspam
echo ' spamc -L spam < "$MAILDIR/cur/$f" > /dev/null' >> /usr/bin/filterspam
echo ' rm "$MAILDIR/cur/$f"' >> /usr/bin/filterspam
echo 'done' >> /usr/bin/filterspam
echo 'for f in `ls $MAILDIR/new`' >> /usr/bin/filterspam
echo 'do' >> /usr/bin/filterspam
echo ' spamc -L spam < "$MAILDIR/new/$f" > /dev/null' >> /usr/bin/filterspam
echo ' rm "$MAILDIR/new/$f"' >> /usr/bin/filterspam
echo 'done' >> /usr/bin/filterspam
echo '#!/bin/bash' > /usr/bin/filterham
echo 'USERNAME=$1' >> /usr/bin/filterham
echo 'MAILDIR=/home/$USERNAME/Maildir/.learn-ham' >> /usr/bin/filterham
echo 'if [ ! -d "$MAILDIR" ]; then' >> /usr/bin/filterham
echo ' exit' >> /usr/bin/filterham
echo 'fi' >> /usr/bin/filterham
echo 'for f in `ls $MAILDIR/cur`' >> /usr/bin/filterham
echo 'do' >> /usr/bin/filterham
echo ' spamc -L ham < "$MAILDIR/cur/$f" > /dev/null' >> /usr/bin/filterham
echo ' rm "$MAILDIR/cur/$f"' >> /usr/bin/filterham
echo 'done' >> /usr/bin/filterham
echo 'for f in `ls $MAILDIR/new`' >> /usr/bin/filterham
echo 'do' >> /usr/bin/filterham
echo ' spamc -L ham < "$MAILDIR/new/$f" > /dev/null' >> /usr/bin/filterham
echo ' rm "$MAILDIR/new/$f"' >> /usr/bin/filterham
echo 'done' >> /usr/bin/filterham
echo "*/3 * * * * root /usr/bin/timeout 120 /usr/bin/filterspam $MY_USERNAME" >> /etc/crontab
echo "*/3 * * * * root /usr/bin/timeout 120 /usr/bin/filterham $MY_USERNAME" >> /etc/crontab
chmod 655 /usr/bin/filterspam /usr/bin/filterham
sed -i 's/# use_bayes 1/use_bayes 1/g' /etc/mail/spamassassin/local.cf
sed -i 's/# bayes_auto_learn 1/bayes_auto_learn 1/g' /etc/mail/spamassassin/local.cf
service spamassassin restart
service exim4 restart
service cron restart
}
function configure_imap {
apt-get -y install dovecot-common dovecot-imapd
makecert dovecot
chown root:dovecot /etc/ssl/certs/dovecot.crt
chown root:dovecot /etc/ssl/private/dovecot.key
chown root:dovecot /etc/ssl/private/dovecot.dhparams
sed -i 's|#ssl = yes|ssl = yes|g' /etc/dovecot/conf.d/10-ssl.conf
sed -i 's|ssl_cert = </etc/dovecot/dovecot.pem|ssl_cert = </etc/ssl/certs/dovecot.crt|g' /etc/dovecot/conf.d/10-ssl.conf
sed -i 's|ssl_key = </etc/dovecot/private/dovecot.pem|/etc/ssl/private/dovecot.key|g' /etc/dovecot/conf.d/10-ssl.conf
sed -i 's|#ssl_dh_parameters_length = 1024|ssl_dh_parameters_length = 1024|g' /etc/dovecot/conf.d/10-ssl.conf
sed -i 's/#ssl_prefer_server_ciphers = no/ssl_prefer_server_ciphers = yes/g' /etc/dovecot/conf.d/10-ssl.conf
echo "ssl_cipher_list = 'EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA'" >> /etc/dovecot/conf.d/10-ssl.conf
sed -i 's/#listen = *, ::/listen = */g' /etc/dovecot/dovecot.conf
sed -i 's/#disable_plaintext_auth = yes/disable_plaintext_auth = no/g' /etc/dovecot/conf.d/10-auth.conf
sed -i 's/auth_mechanisms = plain/auth_mechanisms = plain login/g' /etc/dovecot/conf.d/10-auth.conf
sed -i 's|# mail_location = maildir:~/Maildir| mail_location = maildir:~/Maildir:LAYOUT=fs|g' /etc/dovecot/conf.d/10-mail.conf
}
function configure_gpg {
apt-get -y install gnupg
}
function email_client {
apt-get -y install mutt-patched lynx abook
if [ ! -d /home/$MY_USERNAME/.mutt ]; then
mkdir /home/$MY_USERNAME/.mutt
fi
echo "text/html; lynx -dump -width=78 -nolist %s | sed s/^ //; copiousoutput; needsterminal; nametemplate=%s.html" > /home/$MY_USERNAME/.mutt/mailcap
chown -R $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.mutt
echo 'set mbox_type=Maildir' >> /etc/Muttrc
echo 'set folder="~/Maildir"' >> /etc/Muttrc
echo 'set mask="!^\\.[^.]"' >> /etc/Muttrc
echo 'set mbox="~/Maildir"' >> /etc/Muttrc
echo 'set record="+Sent"' >> /etc/Muttrc
echo 'set postponed="+Drafts"' >> /etc/Muttrc
echo 'set trash="+Trash"' >> /etc/Muttrc
echo 'set spoolfile="~/Maildir"' >> /etc/Muttrc
echo 'auto_view text/x-vcard text/html text/enriched' >> /etc/Muttrc
echo 'set editor="emacs"' >> /etc/Muttrc
echo 'set header_cache="+.cache"' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo 'macro index S "<tag-prefix><save-message>=.learn-spam<enter>" "move to learn-spam"' >> /etc/Muttrc
echo 'macro pager S "<save-message>=.learn-spam<enter>" "move to learn-spam"' >> /etc/Muttrc
echo 'macro index H "<tag-prefix><copy-message>=.learn-ham<enter>" "copy to learn-ham"' >> /etc/Muttrc
echo 'macro pager H "<copy-message>=.learn-ham<enter>" "copy to learn-ham"' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# set up the sidebar' >> /etc/Muttrc
echo 'set sidebar_width=12' >> /etc/Muttrc
echo 'set sidebar_visible=yes' >> /etc/Muttrc
echo "set sidebar_delim='|'" >> /etc/Muttrc
echo 'set sidebar_sort=yes' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo 'set rfc2047_parameters' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# Show inbox and sent items' >> /etc/Muttrc
echo 'mailboxes = =Sent' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# Alter these colours as needed for maximum bling' >> /etc/Muttrc
echo 'color sidebar_new yellow default' >> /etc/Muttrc
echo 'color normal white default' >> /etc/Muttrc
echo 'color hdrdefault brightcyan default' >> /etc/Muttrc
echo 'color signature green default' >> /etc/Muttrc
echo 'color attachment brightyellow default' >> /etc/Muttrc
echo 'color quoted green default' >> /etc/Muttrc
echo 'color quoted1 white default' >> /etc/Muttrc
echo 'color tilde blue default' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# ctrl-n, ctrl-p to select next, prev folder' >> /etc/Muttrc
echo '# ctrl-o to open selected folder' >> /etc/Muttrc
echo 'bind index \Cp sidebar-prev' >> /etc/Muttrc
echo 'bind index \Cn sidebar-next' >> /etc/Muttrc
echo 'bind index \Co sidebar-open' >> /etc/Muttrc
echo 'bind pager \Cp sidebar-prev' >> /etc/Muttrc
echo 'bind pager \Cn sidebar-next' >> /etc/Muttrc
echo 'bind pager \Co sidebar-open' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# ctrl-b toggles sidebar visibility' >> /etc/Muttrc
echo "macro index,pager \Cb '<enter-command>toggle sidebar_visible<enter><redraw-screen>' 'toggle sidebar'" >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# esc-m Mark new messages as read' >> /etc/Muttrc
echo 'macro index <esc>m "T~N<enter>;WNT~O<enter>;WO\CT~T<enter>" "mark all messages read"' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# Collapsing threads' >> /etc/Muttrc
echo 'macro index [ "<collapse-thread>" "collapse/uncollapse thread"' >> /etc/Muttrc
echo 'macro index ] "<collapse-all>" "collapse/uncollapse all threads"' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# threads containing new messages' >> /etc/Muttrc
echo 'uncolor index "~(~N)"' >> /etc/Muttrc
echo 'color index brightblue default "~(~N)"' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# new messages themselves' >> /etc/Muttrc
echo 'uncolor index "~N"' >> /etc/Muttrc
echo 'color index brightyellow default "~N"' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# GPG/PGP integration' >> /etc/Muttrc
echo '# this set the number of seconds to keep in memory the passphrase used to encrypt/sign' >> /etc/Muttrc
echo 'set pgp_timeout=60' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo '# automatically sign and encrypt with PGP/MIME' >> /etc/Muttrc
echo 'set pgp_autosign # autosign all outgoing mails' >> /etc/Muttrc
echo 'set pgp_replyencrypt # autocrypt replies to crypted' >> /etc/Muttrc
echo 'set pgp_replysign # autosign replies to signed' >> /etc/Muttrc
echo 'set pgp_auto_decode=yes # decode attachments' >> /etc/Muttrc
echo 'unset smime_is_default' >> /etc/Muttrc
echo '' >> /etc/Muttrc
echo 'set alias_file=~/.mutt-alias' >> /etc/Muttrc
echo 'source ~/.mutt-alias' >> /etc/Muttrc
echo 'set query_command= "abook --mutt-query \"%s\""' >> /etc/Muttrc
echo 'macro index,pager A "<pipe-message>abook --add-email-quiet<return>" "add the sender address to abook"' >> /etc/Muttrc
cp -f /etc/Muttrc /home/$MY_USERNAME/.muttrc
touch /home/$MY_USERNAME/.mutt-alias
chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.muttrc
chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.mutt-alias
}
function folders_for_mailing_lists {
echo '#!/bin/bash' > /usr/bin/mailinglistrule
echo 'MYUSERNAME=$1' >> /usr/bin/mailinglistrule
echo 'MAILINGLIST=$2' >> /usr/bin/mailinglistrule
echo 'SUBJECTTAG=$3' >> /usr/bin/mailinglistrule
echo 'MUTTRC=/home/$MYUSERNAME/.muttrc' >> /usr/bin/mailinglistrule
echo 'PM=/home/$MYUSERNAME/.procmailrc' >> /usr/bin/mailinglistrule
echo 'LISTDIR=/home/$MYUSERNAME/Maildir/$MAILINGLIST' >> /usr/bin/mailinglistrule
echo 'if [ ! -d "$LISTDIR" ]; then' >> /usr/bin/mailinglistrule
echo ' mkdir -m 700 $LISTDIR' >> /usr/bin/mailinglistrule
echo ' mkdir -m 700 $LISTDIR/tmp' >> /usr/bin/mailinglistrule
echo ' mkdir -m 700 $LISTDIR/new' >> /usr/bin/mailinglistrule
echo ' mkdir -m 700 $LISTDIR/cur' >> /usr/bin/mailinglistrule
echo 'fi' >> /usr/bin/mailinglistrule
echo 'chown -R $MYUSERNAME:$MYUSERNAME $LISTDIR' >> /usr/bin/mailinglistrule
echo 'echo "" >> $PM' >> /usr/bin/mailinglistrule
echo 'echo ":0" >> $PM' >> /usr/bin/mailinglistrule
echo 'echo " * ^Subject:.*()\[$SUBJECTTAG\]" >> $PM' >> /usr/bin/mailinglistrule
echo 'echo "$LISTDIR/new" >> $PM' >> /usr/bin/mailinglistrule
echo 'chown $MYUSERNAME:$MYUSERNAME $PM' >> /usr/bin/mailinglistrule
echo 'if [ ! -f "$MUTTRC" ]; then' >> /usr/bin/mailinglistrule
echo ' cp /etc/Muttrc $MUTTRC' >> /usr/bin/mailinglistrule
echo ' chown $MYUSERNAME:$MYUSERNAME $MUTTRC' >> /usr/bin/mailinglistrule
echo 'fi' >> /usr/bin/mailinglistrule
echo 'PROCMAILLOG=/home/$MYUSERNAME/log' >> /usr/bin/mailinglistrule
echo 'if [ ! -d $PROCMAILLOG ]; then' >> /usr/bin/mailinglistrule
echo ' mkdir $PROCMAILLOG' >> /usr/bin/mailinglistrule
echo ' chown -R $MYUSERNAME:$MYUSERNAME $PROCMAILLOG' >> /usr/bin/mailinglistrule
echo 'fi' >> /usr/bin/mailinglistrule
chmod +x /usr/bin/mailinglistrule
}
function folders_for_email_addresses {
echo '#!/bin/bash' > /usr/bin/emailrule
echo 'MYUSERNAME=$1' >> /usr/bin/emailrule
echo 'EMAILADDRESS=$2' >> /usr/bin/emailrule
echo 'MAILINGLIST=$3' >> /usr/bin/emailrule
echo 'MUTTRC=/home/$MYUSERNAME/.muttrc' >> /usr/bin/emailrule
echo 'PM=/home/$MYUSERNAME/.procmailrc' >> /usr/bin/emailrule
echo 'LISTDIR=/home/$MYUSERNAME/Maildir/$MAILINGLIST' >> /usr/bin/emailrule
echo 'if [ ! -d "$LISTDIR" ]; then' >> /usr/bin/emailrule
echo ' mkdir -m 700 $LISTDIR' >> /usr/bin/emailrule
echo ' mkdir -m 700 $LISTDIR/tmp' >> /usr/bin/emailrule
echo ' mkdir -m 700 $LISTDIR/new' >> /usr/bin/emailrule
echo ' mkdir -m 700 $LISTDIR/cur' >> /usr/bin/emailrule
echo 'fi' >> /usr/bin/emailrule
echo 'chown -R $MYUSERNAME:$MYUSERNAME $LISTDIR' >> /usr/bin/emailrule
echo 'echo "" >> $PM' >> /usr/bin/emailrule
echo 'echo ":0" >> $PM' >> /usr/bin/emailrule
echo 'echo " * ^From: $EMAILADDRESS" >> $PM' >> /usr/bin/emailrule
echo 'echo "$LISTDIR/new" >> $PM' >> /usr/bin/emailrule
echo 'chown $MYUSERNAME:$MYUSERNAME $PM' >> /usr/bin/emailrule
echo 'if [ ! -f "$MUTTRC" ]; then' >> /usr/bin/emailrule
echo ' cp /etc/Muttrc $MUTTRC' >> /usr/bin/emailrule
echo ' chown $MYUSERNAME:$MYUSERNAME $MUTTRC' >> /usr/bin/emailrule
echo 'fi' >> /usr/bin/emailrule
echo 'PROCMAILLOG=/home/$MYUSERNAME/log' >> /usr/bin/emailrule
echo 'if [ ! -d $PROCMAILLOG ]; then' >> /usr/bin/emailrule
echo ' mkdir $PROCMAILLOG' >> /usr/bin/emailrule
echo ' chown -R $MYUSERNAME:$MYUSERNAME $PROCMAILLOG' >> /usr/bin/emailrule
echo 'fi' >> /usr/bin/emailrule
chmod +x /usr/bin/emailrule
}
argument_checks
remove_proprietary_repos
initial_setup
install_editor
enable_backports
update_the_kernel
enable_zram
hardware_random_number_generator
configure_ssh
regenerate_ssh_keys
set_your_domain_name
time_synchronisation
defend_against_port_scanning
configure_firewall
configure_firewall_for_ssh
configure_firewall_for_email
save_firewall_settings
configure_internet_protocol
script_to_make_self_signed_certificates
configure_email
spam_filtering
configure_imap
configure_gpg
email_client
folders_for_mailing_lists
folders_for_email_addresses