[people/pmueller/ipfire-2.x.git] / src / initscripts / helper / exoscale-setup

#!/bin/bash
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# 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 <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

. /etc/sysconfig/rc
. ${rc_functions}

# Set PATH to find our own executables
export PATH=/usr/local/sbin:/usr/local/bin:${PATH}

# Exoscale only supports a MTU of 1500
DEFAULT_MTU=1500

get() {
	local file="${1}"

	wget -qO - "http://metadata.exoscale.com/latest/${file}"
}

import_exoscale_configuration() {
	local instance_id="$(get meta-data/instance-id)"

	boot_mesg "Importing Exoscale configuration for instance ${instance_id}..."

	# Store instance ID
	echo "${instance_id}" > /var/run/exoscale-instance-id

	# Initialise system settings
	local hostname=$(get meta-data/local-hostname)

	# Set hostname
	if ! grep -q "^HOSTNAME=" /var/ipfire/main/settings; then
		echo "HOSTNAME=${hostname%%.*}" >> /var/ipfire/main/settings
	fi

	# Set domainname
	if ! grep -q "^DOMAINNAME=" /var/ipfire/main/settings; then
		local domainname="localdomain"

		# If the hostname contains a dot we strip the last
		# part and use it as our domain name
		if [[ ${hostname} =~ "\." ]]; then
			domainname="${hostname#*.}"
		fi

		echo "DOMAINNAME=${domainname}" >> /var/ipfire/main/settings
	fi

	# Create setup user
	if ! getent passwd setup &>/dev/null; then
		useradd setup -s /usr/bin/run-setup -g nobody -m

		# Unlock the account
		usermod -p "x" setup
	fi

	# Import SSH key for setup user
	local key=$(get "meta-data/public-keys")
	if [ -n "${key}" ] && ! grep -q "^${key}$" "/home/setup/.ssh/authorized_keys" 2>/dev/null; then
		mkdir -p "/home/setup/.ssh"
		chmod 700 "/home/setup/.ssh"
		chown setup.nobody "/home/setup/.ssh"

		echo "${key}" >> "/home/setup/.ssh/authorized_keys"
		chmod 600 "/home/setup/.ssh/authorized_keys"
		chown setup.nobody "/home/setup/.ssh/authorized_keys"
	fi

	# Download the user-data script only on the first boot
	if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
		# Download user-data
		local user_data="$(get user-data)"

		# Save user-data script to be executed later
		if [ "${user_data:0:2}" = "#!" ]; then
			echo "${user_data}" > /tmp/user-data.script
			chmod 700 /tmp/user-data.script

			# Run the user-data script
			local now="$(date -u +"%s")"
			/tmp/user-data.script &>/var/log/user-data.log.${now}

			# Delete the script right away
			rm /tmp/user-data.script
		fi
	fi

	# Import any previous settings for the local interfaces
	 eval $(/usr/local/bin/readhash <(grep -E "^(GREEN|ORANGE)_.*=" /var/ipfire/ethernet/settings 2>/dev/null))

	# Import network configuration
	# After this, no network connectivity will be available from this script due to the
	# renaming of the network interfaces for which they have to be shut down
	local config_type=1
	: > /var/ipfire/ethernet/settings

	local device
	for device in /sys/class/net/*; do
		# Fetch the interface index
		local ifindex="$(<${device}/ifindex)"
		local address="$(<${device}/address)"

		case "${ifindex}" in
			# loopback
			1)
				continue
				;;

			# The first interface will always be the public-facing one (i.e. RED)
			2)
				(
					echo "RED_TYPE=DHCP"
					echo "RED_DEV=red0"
					echo "RED_MACADDR=${address}"
					echo "RED_DESCRIPTION='${ifindex}'"
					echo "RED_MTU=1500"
				) >> /var/ipfire/ethernet/settings
				;;

			# GREEN
			3)
				# Set some sensible defaults for GREEN
				if [ -z "${GREEN_ADDRESS}" ]; then
					GREEN_ADDRESS="10.0.0.1"
					GREEN_NETMASK="255.255.255.0"
					GREEN_NETADDRESS="10.0.0.0"
				fi

				(
					echo "GREEN_DEV=green0"
					echo "GREEN_MACADDR=${address}"
					echo "GREEN_DESCRIPTION='${ifindex}'"
					echo "GREEN_ADDRESS=${GREEN_ADDRESS}"
					echo "GREEN_NETMASK=${GREEN_NETMASK}"
					echo "GREEN_NETADDRESS=${GREEN_NETADDRESS}"
					echo "GREEN_MTU=${DEFAULT_MTU}"
				) >> /var/ipfire/ethernet/settings
				;;

			# ORANGE
			4)
				config_type=2

				# Set some sensible defaults for ORANGE
				if [ -z "${ORANGE_ADDRESS}" ]; then
					ORANGE_ADDRESS="10.0.1.1"
					ORANGE_NETMASK="255.255.255.0"
					ORANGE_NETADDRESS="10.0.1.0"
				fi

				(
					echo "ORANGE_DEV=orange0"
					echo "ORANGE_MACADDR=${address}"
					echo "ORANGE_DESCRIPTION='${ifindex}'"
					echo "ORANGE_ADDRESS=${ORANGE_ADDRESS}"
					echo "ORANGE_NETMASK=${ORANGE_NETMASK}"
					echo "ORANGE_NETADDRESS=${ORANGE_NETADDRESS}"
					echo "ORANGE_MTU=${DEFAULT_MTU}"
				) >> /var/ipfire/ethernet/settings
				;;
		esac
	done

	# Save CONFIG_TYPE
	echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings

	# Actions performed only on the very first start
	if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
		# Disable using ISP nameservers
		sed -e "s/^USE_ISP_NAMESERVERS=.*/USE_ISP_NAMESERVERS=off/" -i /var/ipfire/dns/settings

		# Enable SSH
		sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings

		# Disable SSH password authentication
		sed -e "s/^ENABLE_SSH_PASSWORDS=.*/ENABLE_SSH_PASSWORDS=off/" -i /var/ipfire/remote/settings

		# Enable SSH key authentication
		sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings

		# Apply SSH settings
		/usr/local/bin/sshctrl

		# Mark SSH to start immediately (but not right now)
		touch /var/ipfire/remote/enablessh
		chown nobody:nobody /var/ipfire/remote/enablessh

		# Firewall rules for SSH and WEBIF
		(
			echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
			echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
		) >> /var/ipfire/firewall/input

		# This script has now completed the first steps of setup
		touch /var/ipfire/main/firstsetup_ok
	fi

	# All done
	echo_ok
}

case "${reason}" in
	PREINIT)
		# Bring up the interface
		ip link set "${interface}" up
		;;

	BOUND|RENEW|REBIND|REBOOT)
		# Remove any previous IP addresses
		ip addr flush dev "${interface}"

		# Add (or re-add) the new IP address
		ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}"

		# Add the default route
		ip route add default via "${new_routers}"

		# Setup DNS
		for domain_name_server in ${new_domain_name_servers}; do
			echo "nameserver ${domain_name_server}"
		done > /etc/resolv.conf

		# The system is online now
		touch /var/ipfire/red/active

		# Import Exoscale configuration
		import_exoscale_configuration
		;;

	EXPIRE|FAIL|RELEASE|STOP)
		# The system is no longer online
		rm -f /var/ipfire/red/active

		# Remove all IP addresses
		ip addr flush dev "${interface}"

		# Shut down the interface
		ip link set "${interface}" down
		;;

	*)
		echo "Unhandled reason: ${reason}" >&2
		exit 2
		;;
esac

# Terminate
exit 0
Commit	Line	Data
e06d8de9	1	#!/bin/bash
66c36198 PM	2	###############################################################################
	3	# #
	4	# IPFire.org - A linux based firewall #
	5	# Copyright (C) 2007-2022 IPFire Team <info@ipfire.org> #
	6	# #
	7	# This program is free software: you can redistribute it and/or modify #
	8	# it under the terms of the GNU General Public License as published by #
	9	# the Free Software Foundation, either version 3 of the License, or #
	10	# (at your option) any later version. #
	11	# #
	12	# This program is distributed in the hope that it will be useful, #
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	15	# GNU General Public License for more details. #
	16	# #
	17	# You should have received a copy of the GNU General Public License #
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	19	# #
	20	###############################################################################
e06d8de9 MT	21
	22	. /etc/sysconfig/rc
	23	. ${rc_functions}
	24
	25	# Set PATH to find our own executables
	26	export PATH=/usr/local/sbin:/usr/local/bin:${PATH}
	27
	28	# Exoscale only supports a MTU of 1500
	29	DEFAULT_MTU=1500
	30
	31	get() {
	32	local file="${1}"
	33
	34	wget -qO - "http://metadata.exoscale.com/latest/${file}"
	35	}
	36
	37	import_exoscale_configuration() {
	38	local instance_id="$(get meta-data/instance-id)"
	39
	40	boot_mesg "Importing Exoscale configuration for instance ${instance_id}..."
	41
	42	# Store instance ID
	43	echo "${instance_id}" > /var/run/exoscale-instance-id
	44
	45	# Initialise system settings
	46	local hostname=$(get meta-data/local-hostname)
	47
	48	# Set hostname
	49	if ! grep -q "^HOSTNAME=" /var/ipfire/main/settings; then
	50	echo "HOSTNAME=${hostname%%.*}" >> /var/ipfire/main/settings
	51	fi
	52
	53	# Set domainname
	54	if ! grep -q "^DOMAINNAME=" /var/ipfire/main/settings; then
df892010	55	local domainname="localdomain"
e06d8de9	56
df892010 MT	57	# If the hostname contains a dot we strip the last
	58	# part and use it as our domain name
	59	if [[ ${hostname} =~ "\." ]]; then
	60	domainname="${hostname#*.}"
	61	fi
e06d8de9 MT	62
	63	echo "DOMAINNAME=${domainname}" >> /var/ipfire/main/settings
	64	fi
	65
	66	# Create setup user
	67	if ! getent passwd setup &>/dev/null; then
	68	useradd setup -s /usr/bin/run-setup -g nobody -m
	69
	70	# Unlock the account
	71	usermod -p "x" setup
	72	fi
	73
a7d8d352 MT	74	# Import SSH key for setup user
	75	local key=$(get "meta-data/public-keys")
	76	if [ -n "${key}" ] && ! grep -q "^${key}$" "/home/setup/.ssh/authorized_keys" 2>/dev/null; then
	77	mkdir -p "/home/setup/.ssh"
	78	chmod 700 "/home/setup/.ssh"
	79	chown setup.nobody "/home/setup/.ssh"
	80
	81	echo "${key}" >> "/home/setup/.ssh/authorized_keys"
	82	chmod 600 "/home/setup/.ssh/authorized_keys"
	83	chown setup.nobody "/home/setup/.ssh/authorized_keys"
	84	fi
e06d8de9 MT	85
	86	# Download the user-data script only on the first boot
	87	if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
	88	# Download user-data
	89	local user_data="$(get user-data)"
	90
	91	# Save user-data script to be executed later
	92	if [ "${user_data:0:2}" = "#!" ]; then
	93	echo "${user_data}" > /tmp/user-data.script
	94	chmod 700 /tmp/user-data.script
	95
	96	# Run the user-data script
	97	local now="$(date -u +"%s")"
	98	/tmp/user-data.script &>/var/log/user-data.log.${now}
	99
	100	# Delete the script right away
	101	rm /tmp/user-data.script
	102	fi
	103	fi
	104
	105	# Import any previous settings for the local interfaces
	106	eval $(/usr/local/bin/readhash <(grep -E "^(GREEN\|ORANGE)_.*=" /var/ipfire/ethernet/settings 2>/dev/null))
	107
	108	# Import network configuration
	109	# After this, no network connectivity will be available from this script due to the
	110	# renaming of the network interfaces for which they have to be shut down
	111	local config_type=1
	112	: > /var/ipfire/ethernet/settings
	113
	114	local device
	115	for device in /sys/class/net/*; do
	116	# Fetch the interface index
	117	local ifindex="$(<${device}/ifindex)"
	118	local address="$(<${device}/address)"
	119
	120	case "${ifindex}" in
	121	# loopback
	122	1)
	123	continue
	124	;;
	125
	126	# The first interface will always be the public-facing one (i.e. RED)
	127	2)
	128	(
	129	echo "RED_TYPE=DHCP"
	130	echo "RED_DEV=red0"
	131	echo "RED_MACADDR=${address}"
	132	echo "RED_DESCRIPTION='${ifindex}'"
	133	echo "RED_MTU=1500"
	134	) >> /var/ipfire/ethernet/settings
	135	;;
	136
	137	# GREEN
	138	3)
	139	# Set some sensible defaults for GREEN
	140	if [ -z "${GREEN_ADDRESS}" ]; then
	141	GREEN_ADDRESS="10.0.0.1"
	142	GREEN_NETMASK="255.255.255.0"
	143	GREEN_NETADDRESS="10.0.0.0"
e06d8de9 MT	144	fi
	145
	146	(
	147	echo "GREEN_DEV=green0"
	148	echo "GREEN_MACADDR=${address}"
	149	echo "GREEN_DESCRIPTION='${ifindex}'"
	150	echo "GREEN_ADDRESS=${GREEN_ADDRESS}"
	151	echo "GREEN_NETMASK=${GREEN_NETMASK}"
	152	echo "GREEN_NETADDRESS=${GREEN_NETADDRESS}"
e06d8de9 MT	153	echo "GREEN_MTU=${DEFAULT_MTU}"
	154	) >> /var/ipfire/ethernet/settings
	155	;;
	156
	157	# ORANGE
	158	4)
	159	config_type=2
	160
	161	# Set some sensible defaults for ORANGE
	162	if [ -z "${ORANGE_ADDRESS}" ]; then
	163	ORANGE_ADDRESS="10.0.1.1"
	164	ORANGE_NETMASK="255.255.255.0"
	165	ORANGE_NETADDRESS="10.0.1.0"
e06d8de9 MT	166	fi
	167
	168	(
	169	echo "ORANGE_DEV=orange0"
	170	echo "ORANGE_MACADDR=${address}"
	171	echo "ORANGE_DESCRIPTION='${ifindex}'"
	172	echo "ORANGE_ADDRESS=${ORANGE_ADDRESS}"
	173	echo "ORANGE_NETMASK=${ORANGE_NETMASK}"
	174	echo "ORANGE_NETADDRESS=${ORANGE_NETADDRESS}"
e06d8de9 MT	175	echo "ORANGE_MTU=${DEFAULT_MTU}"
	176	) >> /var/ipfire/ethernet/settings
	177	;;
	178	esac
	179	done
	180
	181	# Save CONFIG_TYPE
	182	echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings
	183
	184	# Actions performed only on the very first start
	185	if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
	186	# Disable using ISP nameservers
	187	sed -e "s/^USE_ISP_NAMESERVERS=.*/USE_ISP_NAMESERVERS=off/" -i /var/ipfire/dns/settings
	188
	189	# Enable SSH
	190	sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings
	191
	192	# Disable SSH password authentication
	193	sed -e "s/^ENABLE_SSH_PASSWORDS=.*/ENABLE_SSH_PASSWORDS=off/" -i /var/ipfire/remote/settings
	194
	195	# Enable SSH key authentication
	196	sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings
	197
	198	# Apply SSH settings
	199	/usr/local/bin/sshctrl
	200
	201	# Mark SSH to start immediately (but not right now)
	202	touch /var/ipfire/remote/enablessh
	203	chown nobody:nobody /var/ipfire/remote/enablessh
	204
	205	# Firewall rules for SSH and WEBIF
	206	(
	207	echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
	208	echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
	209	) >> /var/ipfire/firewall/input
	210
	211	# This script has now completed the first steps of setup
	212	touch /var/ipfire/main/firstsetup_ok
	213	fi
	214
	215	# All done
	216	echo_ok
	217	}
	218
	219	case "${reason}" in
	220	PREINIT)
	221	# Bring up the interface
	222	ip link set "${interface}" up
	223	;;
	224
	225	BOUND\|RENEW\|REBIND\|REBOOT)
	226	# Remove any previous IP addresses
	227	ip addr flush dev "${interface}"
	228
	229	# Add (or re-add) the new IP address
	230	ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}"
	231
	232	# Add the default route
	233	ip route add default via "${new_routers}"
	234
	235	# Setup DNS
	236	for domain_name_server in ${new_domain_name_servers}; do
	237	echo "nameserver ${domain_name_server}"
	238	done > /etc/resolv.conf
239
240	# The system is online now
241	touch /var/ipfire/red/active
242
243	# Import Exoscale configuration
244	import_exoscale_configuration
245	;;
246
247	EXPIRE\|FAIL\|RELEASE\|STOP)
248	# The system is no longer online
249	rm -f /var/ipfire/red/active
250
251	# Remove all IP addresses
252	ip addr flush dev "${interface}"
253
254	# Shut down the interface
255	ip link set "${interface}" down
256	;;
257
258	*)
259	echo "Unhandled reason: ${reason}" >&2
260	exit 2
261	;;
262	esac
263
264	# Terminate
265	exit 0