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#!/bin/bash
# This is the entry point for configuring the system.
#####################################################
source setup/functions.sh # load our functions
# Check system setup: Are we running as root on Ubuntu 18.04 on a
# machine with enough memory? Is /tmp mounted with exec.
# If not, this shows an error and exits.
source setup/preflight.sh
# Ensure Python reads/writes files in UTF-8. If the machine
# triggers some other locale in Python, like ASCII encoding,
# Python may not be able to read/write files. This is also
# in the management daemon startup script and the cron script.
if ! locale -a | grep en_US.utf8 > /dev/null; then
# Generate locale if not exists
hide_output locale-gen en_US.UTF-8
fi
export LANGUAGE=en_US.UTF-8
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
export LC_TYPE=en_US.UTF-8
# Fix so line drawing characters are shown correctly in Putty on Windows. See #744.
export NCURSES_NO_UTF8_ACS=1
# Recall the last settings used if we're running this a second time.
if [ -f /etc/mailinabox.conf ]; then
# Run any system migrations before proceeding. Since this is a second run,
# we assume we have Python already installed.
setup/migrate.py --migrate || exit 1
# Load the old .conf file to get existing configuration options loaded
# into variables with a DEFAULT_ prefix.
cat /etc/mailinabox.conf | sed s/^/DEFAULT_/ > /tmp/mailinabox.prev.conf
source /tmp/mailinabox.prev.conf
rm -f /tmp/mailinabox.prev.conf
else
FIRST_TIME_SETUP=1
fi
# Put a start script in a global location. We tell the user to run 'mailinabox'
# in the first dialog prompt, so we should do this before that starts.
cat > /usr/local/bin/mailinabox << EOF;
#!/bin/bash
cd `pwd`
source setup/start.sh
EOF
chmod +x /usr/local/bin/mailinabox
# Ask the user for the PRIMARY_HOSTNAME, PUBLIC_IP, and PUBLIC_IPV6,
# if values have not already been set in environment variables. When running
# non-interactively, be sure to set values for all! Also sets STORAGE_USER and
# STORAGE_ROOT.
source setup/questions.sh
# Run some network checks to make sure setup on this machine makes sense.
# Skip on existing installs since we don't want this to block the ability to
# upgrade, and these checks are also in the control panel status checks.
if [ -z "${DEFAULT_PRIMARY_HOSTNAME:-}" ]; then
if [ -z "${SKIP_NETWORK_CHECKS:-}" ]; then
source setup/network-checks.sh
fi
fi
# Create the STORAGE_USER and STORAGE_ROOT directory if they don't already exist.
# If the STORAGE_ROOT is missing the mailinabox.version file that lists a
# migration (schema) number for the files stored there, assume this is a fresh
# installation to that directory and write the file to contain the current
# migration number for this version of Mail-in-a-Box.
if ! id -u $STORAGE_USER >/dev/null 2>&1; then
useradd -m $STORAGE_USER
fi
if [ ! -d $STORAGE_ROOT ]; then
mkdir -p $STORAGE_ROOT
fi
if [ ! -f $STORAGE_ROOT/mailinabox.version ]; then
echo $(setup/migrate.py --current) > $STORAGE_ROOT/mailinabox.version
chown $STORAGE_USER.$STORAGE_USER $STORAGE_ROOT/mailinabox.version
fi
# Save the global options in /etc/mailinabox.conf so that standalone
# tools know where to look for data.
cat > /etc/mailinabox.conf << EOF;
STORAGE_USER=$STORAGE_USER
STORAGE_ROOT=$STORAGE_ROOT
PRIMARY_HOSTNAME=$PRIMARY_HOSTNAME
PUBLIC_IP=$PUBLIC_IP
PUBLIC_IPV6=$PUBLIC_IPV6
PRIVATE_IP=$PRIVATE_IP
PRIVATE_IPV6=$PRIVATE_IPV6
EOF
# Start service configuration.
source setup/system.sh
source setup/ssl.sh
source setup/dns.sh
source setup/mail-postfix.sh
source setup/mail-dovecot.sh
source setup/mail-users.sh
source setup/dkim.sh
source setup/spamassassin.sh
source setup/web.sh
source setup/webmail.sh
source setup/nextcloud.sh
source setup/zpush.sh
source setup/management.sh
source setup/munin.sh
# Wait for the management daemon to start...
until nc -z -w 4 127.0.0.1 10222
do
echo Waiting for the Mail-in-a-Box management daemon to start...
sleep 2
done
# ...and then have it write the DNS and nginx configuration files and start those
# services.
tools/dns_update
tools/web_update
# Give fail2ban another restart. The log files may not all have been present when
# fail2ban was first configured, but they should exist now.
restart_service fail2ban
# If there aren't any mail users yet, create one.
source setup/firstuser.sh
# Register with Let's Encrypt, including agreeing to the Terms of Service.
# We'd let certbot ask the user interactively, but when this script is
# run in the recommended curl-pipe-to-bash method there is no TTY and
# certbot will fail if it tries to ask.
if [ ! -d $STORAGE_ROOT/ssl/lets_encrypt/accounts/acme-v02.api.letsencrypt.org/ ]; then
echo
echo "-----------------------------------------------"
echo "Mail-in-a-Box uses Let's Encrypt to provision free SSL/TLS certificates"
echo "to enable HTTPS connections to your box. We're automatically"
echo "agreeing you to their subscriber agreement. See https://letsencrypt.org."
echo
certbot register --register-unsafely-without-email --agree-tos --config-dir $STORAGE_ROOT/ssl/lets_encrypt
fi
# Done.
echo
echo "-----------------------------------------------"
echo
echo Your Mail-in-a-Box is running.
echo
echo Please log in to the control panel for further instructions at:
echo
if management/status_checks.py --check-primary-hostname; then
# Show the nice URL if it appears to be resolving and has a valid certificate.
echo https://$PRIMARY_HOSTNAME/admin
echo
echo "If you have a DNS problem put the box's IP address in the URL"
echo "(https://$PUBLIC_IP/admin) but then check the TLS fingerprint:"
openssl x509 -in $STORAGE_ROOT/ssl/ssl_certificate.pem -noout -fingerprint -sha256\
| sed "s/SHA256 Fingerprint=//"
else
echo https://$PUBLIC_IP/admin
echo
echo You will be alerted that the website has an invalid certificate. Check that
echo the certificate fingerprint matches:
echo
openssl x509 -in $STORAGE_ROOT/ssl/ssl_certificate.pem -noout -fingerprint -sha256\
| sed "s/SHA256 Fingerprint=//"
echo
echo Then you can confirm the security exception and continue.
echo
fi
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