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mailinabox/setup/start.sh

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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?
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root. Please re-run like this:"
echo
echo "sudo setup/start.sh"
echo
exit
fi
# Check that we are running on Ubuntu 14.04 LTS (or 14.04.xx).
if [ "`lsb_release -d | sed 's/.*:\s*//' | sed 's/14\.04\.[0-9]/14.04/' `" != "Ubuntu 14.04 LTS" ]; then
echo "Mail-in-a-Box only supports being installed on Ubuntu 14.04, sorry. You are running:"
echo
lsb_release -d | sed 's/.*:\s*//'
echo
echo "We can't write scripts that run on every possible setup, sorry."
exit
fi
# Check that we have enough memory. Skip the check if we appear to be
# running inside of Vagrant, because that's really just for testing.
TOTAL_PHYSICAL_MEM=$(free -m | grep ^Mem: | sed "s/^Mem: *\([0-9]*\).*/\1/")
if [ $TOTAL_PHYSICAL_MEM -lt 768 ]; then
if [ ! -d /vagrant ]; then
echo "Your Mail-in-a-Box needs more than $TOTAL_PHYSICAL_MEM MB RAM."
echo "Please provision a machine with at least 768 MB, 1 GB recommended."
exit
fi
fi
if [ -t 0 ]; then
# In an interactive shell...
echo
echo "Hello and thanks for deploying a Mail-in-a-Box!"
echo "-----------------------------------------------"
echo
echo "I'm going to ask you a few questions. To change your answers later,"
echo "later, just re-run this script."
fi
# Recall the last settings used if we're running this a second time.
if [ -f /etc/mailinabox.conf ]; then
# Run any system migrations before proceeding. Since this is a second run,
# we assume we have Python already installed.
setup/migrate.py --migrate
# Load the old .conf file to get existing configuration options loaded
# into variables with a DEFAULT_ prefix.
cat /etc/mailinabox.conf | sed s/^/DEFAULT_/ > /tmp/mailinabox.prev.conf
source /tmp/mailinabox.prev.conf
rm -f /tmp/mailinabox.prev.conf
fi
# The box needs a name.
if [ -z "$PRIMARY_HOSTNAME" ]; then
if [ -z "$DEFAULT_PRIMARY_HOSTNAME" ]; then
# This is the first run. Ask the user for his email address so we can
# provide the best default for the box's hostname.
echo
echo "What email address are you setting this box up to manage?"
echo ""
echo "The part after the @-sign must be a domain name or subdomain"
echo "that you control. You can add other email addresses to this"
echo "box later (including email addresses on other domain names"
echo "or subdomains you control)."
echo
echo "We've guessed an email address. Backspace it and type in what"
echo "you really want."
echo
read -e -i "me@`get_default_hostname`" -p "Email Address: " EMAIL_ADDR
while ! management/mailconfig.py validate-email "$EMAIL_ADDR"
do
echo "That's not a valid email address."
echo
read -e -i "$EMAIL_ADDR" -p "Email Address: " EMAIL_ADDR
done
# Take the part after the @-sign as the user's domain name, and add
# 'box.' to the beginning to create a default hostname for this machine.
DEFAULT_PRIMARY_HOSTNAME=box.$(echo $EMAIL_ADDR | sed 's/.*@//')
fi
echo
echo "This box needs a name, called a 'hostname'. The name will form a part"
echo "of the box's web address."
echo
echo "We recommend that the name be a subdomain of the domain in your email"
echo "address, so we're suggesting $DEFAULT_PRIMARY_HOSTNAME."
echo
echo "You can change it, but we recommend you don't."
echo
read -e -i "$DEFAULT_PRIMARY_HOSTNAME" -p "Hostname: " PRIMARY_HOSTNAME
fi
# If the machine is behind a NAT, inside a VM, etc., it may not know
# its IP address on the public network / the Internet. Ask the Internet
# and possibly confirm with user.
if [ -z "$PUBLIC_IP" ]; then
# Ask the Internet.
GUESSED_IP=$(get_publicip_from_web_service 4)
# On the first run, if we got an answer from the Internet then don't
# ask the user.
if [[ -z "$DEFAULT_PUBLIC_IP" && ! -z "$GUESSED_IP" ]]; then
PUBLIC_IP=$GUESSED_IP
# Otherwise on the first run at least provide a default.
elif [[ -z "$DEFAULT_PUBLIC_IP" ]]; then
DEFAULT_PUBLIC_IP=$(get_default_privateip 4)
# On later runs, if the previous value matches the guessed value then
# don't ask the user either.
elif [ "$DEFAULT_PUBLIC_IP" == "$GUESSED_IP" ]; then
PUBLIC_IP=$GUESSED_IP
fi
if [ -z "$PUBLIC_IP" ]; then
echo
echo "Enter the public IP address of this machine, as given to you by your ISP."
echo
read -e -i "$DEFAULT_PUBLIC_IP" -p "Public IP: " PUBLIC_IP
fi
fi
# Same for IPv6. But it's optional. Also, if it looks like the system
# doesn't have an IPv6, don't ask for one.
if [ -z "$PUBLIC_IPV6" ]; then
# Ask the Internet.
GUESSED_IP=$(get_publicip_from_web_service 6)
MATCHED=0
if [[ -z "$DEFAULT_PUBLIC_IPV6" && ! -z "$GUESSED_IP" ]]; then
PUBLIC_IPV6=$GUESSED_IP
elif [[ "$DEFAULT_PUBLIC_IPV6" == "$GUESSED_IP" ]]; then
# No IPv6 entered and machine seems to have none, or what
# the user entered matches what the Internet tells us.
PUBLIC_IPV6=$GUESSED_IP
MATCHED=1
elif [[ -z "$DEFAULT_PUBLIC_IPV6" ]]; then
DEFAULT_PUBLIC_IP=$(get_default_privateip 6)
fi
if [[ -z "$PUBLIC_IPV6" && $MATCHED == 0 ]]; then
echo
echo "Optional:"
echo "Enter the public IPv6 address of this machine, as given to you by your ISP."
echo "Leave blank if the machine does not have an IPv6 address."
echo
read -e -i "$DEFAULT_PUBLIC_IPV6" -p "Public IPv6: " PUBLIC_IPV6
fi
fi
# Get the IP addresses of the local network interface(s) that are connected
# to the Internet. We need these when we want to have services bind only to
# the public network interfaces (not loopback, not tunnel interfaces).
if [ -z "$PRIVATE_IP" ]; then
PRIVATE_IP=$(get_default_privateip 4)
fi
if [ -z "$PRIVATE_IPV6" ]; then
PRIVATE_IPV6=$(get_default_privateip 6)
fi
if [[ -z "$PRIVATE_IP" && -z "$PRIVATE_IPV6" ]]; then
echo
echo "I could not determine the IP or IPv6 address of the network inteface"
echo "for connecting to the Internet. Setup must stop."
echo
hostname -I
route
echo
exit
fi
# We need a country code to generate a certificate signing request. However
# if a CSR already exists then we won't be generating a new one and there's
# no reason to ask for the country code now. $STORAGE_ROOT has not yet been
# set so we'll check if $DEFAULT_STORAGE_ROOT and $DEFAULT_CSR_COUNTRY are
# set (the values from the current mailinabox.conf) and if the CSR exists
# in the expected location.
if [ ! -z "$DEFAULT_STORAGE_ROOT" ] && [ ! -z "$DEFAULT_CSR_COUNTRY" ] && [ -f $DEFAULT_STORAGE_ROOT/ssl/ssl_cert_sign_req.csr ]; then
CSR_COUNTRY=$DEFAULT_CSR_COUNTRY
fi
if [ -z "$CSR_COUNTRY" ]; then
echo
echo "Enter the two-letter, uppercase country code for where you"
echo "live or where your organization is based. (This is used to"
echo "create an SSL certificate.)"
echo
#if [ -z "$DEFAULT_CSR_COUNTRY" ]; then
# # set a default on first run
# DEFAULT_CSR_COUNTRY=...?
#fi
read -e -i "$DEFAULT_CSR_COUNTRY" -p "Country Code: " CSR_COUNTRY
fi
# Automatic configuration, e.g. as used in our Vagrant configuration.
if [ "$PUBLIC_IP" = "auto" ]; then
# Use a public API to get our public IP address, or fall back to local network configuration.
PUBLIC_IP=$(get_publicip_from_web_service 4 || get_default_privateip 4)
fi
if [ "$PUBLIC_IPV6" = "auto" ]; then
# Use a public API to get our public IPv6 address, or fall back to local network configuration.
PUBLIC_IPV6=$(get_publicip_from_web_service 6 || get_default_privateip 6)
fi
if [ "$PRIMARY_HOSTNAME" = "auto-easy" ]; then
# Generate a probably-unique subdomain under our justtesting.email domain.
PRIMARY_HOSTNAME=`echo $PUBLIC_IP | sha1sum | cut -c1-5`.justtesting.email
fi
# Show the configuration, since the user may have not entered it manually.
echo
echo "Primary Hostname: $PRIMARY_HOSTNAME"
echo "Public IP Address: $PUBLIC_IP"
if [ ! -z "$PUBLIC_IPV6" ]; then
echo "Public IPv6 Address: $PUBLIC_IPV6"
fi
if [ "$PRIVATE_IP" != "$PUBLIC_IP" ]; then
echo "Private IP Address: $PRIVATE_IP"
fi
if [ "$PRIVATE_IPV6" != "$PUBLIC_IPV6" ]; then
echo "Private IPv6 Address: $PRIVATE_IPV6"
fi
echo
# Run some network checks to make sure setup on this machine makes sense.
if [ -z "$SKIP_NETWORK_CHECKS" ]; then
. setup/network-checks.sh
fi
# Create the user named "user-data" and store all persistent user
# data (mailboxes, etc.) in that user's home directory.
if [ -z "$STORAGE_ROOT" ]; then
STORAGE_USER=user-data
if [ ! -d /home/$STORAGE_USER ]; then useradd -m $STORAGE_USER; fi
STORAGE_ROOT=/home/$STORAGE_USER
mkdir -p $STORAGE_ROOT
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
CSR_COUNTRY=$CSR_COUNTRY
EOF
# Start service configuration.
. setup/system.sh
. setup/ssl.sh
. setup/dns.sh
. setup/mail-postfix.sh
. setup/mail-dovecot.sh
. setup/mail-users.sh
. setup/dkim.sh
. setup/spamassassin.sh
. setup/web.sh
. setup/webmail.sh
. setup/zpush.sh
. setup/management.sh
# Write the DNS and nginx configuration files.
sleep 5 # wait for the daemon to start
curl -s -d POSTDATA --user $(</var/lib/mailinabox/api.key): http://127.0.0.1:10222/dns/update
curl -s -d POSTDATA --user $(</var/lib/mailinabox/api.key): http://127.0.0.1:10222/web/update
# If there aren't any mail users yet, create one.
if [ -z "`tools/mail.py user`" ]; then
# The outut of "tools/mail.py user" is a list of mail users. If there
# aren't any yet, it'll be empty.
# If we didn't ask for an email address at the start, do so now.
if [ -z "$EMAIL_ADDR" ]; then
# In an interactive shell, ask the user for an email address.
if [ -t 0 ]; then
echo
echo "Let's create your first mail user."
read -e -i "user@$PRIMARY_HOSTNAME" -p "Email Address: " EMAIL_ADDR
# But in a non-interactive shell, just make something up. This
# is normally for testing.
else
# Use me@PRIMARY_HOSTNAME
EMAIL_ADDR=me@$PRIMARY_HOSTNAME
EMAIL_PW=1234
echo
echo "Creating a new administrative mail account for $EMAIL_ADDR with password $EMAIL_PW."
echo
fi
else
echo
echo "Okay. I'm about to set up $EMAIL_ADDR for you. This account will also"
echo "have access to the box's control panel."
fi
# Create the user's mail account. This will ask for a password if none was given above.
tools/mail.py user add $EMAIL_ADDR $EMAIL_PW
# Make it an admin.
hide_output tools/mail.py user make-admin $EMAIL_ADDR
# Create an alias to which we'll direct all automatically-created administrative aliases.
tools/mail.py alias add administrator@$PRIMARY_HOSTNAME $EMAIL_ADDR
fi
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