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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 | 85 | |
e06d8de9 MT |
86 | # Import any previous settings for the local interfaces |
87 | eval $(/usr/local/bin/readhash <(grep -E "^(GREEN|ORANGE)_.*=" /var/ipfire/ethernet/settings 2>/dev/null)) | |
88 | ||
89 | # Import network configuration | |
90 | # After this, no network connectivity will be available from this script due to the | |
91 | # renaming of the network interfaces for which they have to be shut down | |
92 | local config_type=1 | |
93 | : > /var/ipfire/ethernet/settings | |
94 | ||
95 | local device | |
96 | for device in /sys/class/net/*; do | |
97 | # Fetch the interface index | |
98 | local ifindex="$(<${device}/ifindex)" | |
99 | local address="$(<${device}/address)" | |
100 | ||
101 | case "${ifindex}" in | |
102 | # loopback | |
103 | 1) | |
104 | continue | |
105 | ;; | |
106 | ||
107 | # The first interface will always be the public-facing one (i.e. RED) | |
108 | 2) | |
109 | ( | |
110 | echo "RED_TYPE=DHCP" | |
111 | echo "RED_DEV=red0" | |
112 | echo "RED_MACADDR=${address}" | |
113 | echo "RED_DESCRIPTION='${ifindex}'" | |
114 | echo "RED_MTU=1500" | |
115 | ) >> /var/ipfire/ethernet/settings | |
116 | ;; | |
117 | ||
118 | # GREEN | |
119 | 3) | |
120 | # Set some sensible defaults for GREEN | |
121 | if [ -z "${GREEN_ADDRESS}" ]; then | |
122 | GREEN_ADDRESS="10.0.0.1" | |
123 | GREEN_NETMASK="255.255.255.0" | |
124 | GREEN_NETADDRESS="10.0.0.0" | |
e06d8de9 MT |
125 | fi |
126 | ||
127 | ( | |
128 | echo "GREEN_DEV=green0" | |
129 | echo "GREEN_MACADDR=${address}" | |
130 | echo "GREEN_DESCRIPTION='${ifindex}'" | |
131 | echo "GREEN_ADDRESS=${GREEN_ADDRESS}" | |
132 | echo "GREEN_NETMASK=${GREEN_NETMASK}" | |
133 | echo "GREEN_NETADDRESS=${GREEN_NETADDRESS}" | |
e06d8de9 MT |
134 | echo "GREEN_MTU=${DEFAULT_MTU}" |
135 | ) >> /var/ipfire/ethernet/settings | |
136 | ;; | |
137 | ||
138 | # ORANGE | |
139 | 4) | |
140 | config_type=2 | |
141 | ||
142 | # Set some sensible defaults for ORANGE | |
143 | if [ -z "${ORANGE_ADDRESS}" ]; then | |
144 | ORANGE_ADDRESS="10.0.1.1" | |
145 | ORANGE_NETMASK="255.255.255.0" | |
146 | ORANGE_NETADDRESS="10.0.1.0" | |
e06d8de9 MT |
147 | fi |
148 | ||
149 | ( | |
150 | echo "ORANGE_DEV=orange0" | |
151 | echo "ORANGE_MACADDR=${address}" | |
152 | echo "ORANGE_DESCRIPTION='${ifindex}'" | |
153 | echo "ORANGE_ADDRESS=${ORANGE_ADDRESS}" | |
154 | echo "ORANGE_NETMASK=${ORANGE_NETMASK}" | |
155 | echo "ORANGE_NETADDRESS=${ORANGE_NETADDRESS}" | |
e06d8de9 MT |
156 | echo "ORANGE_MTU=${DEFAULT_MTU}" |
157 | ) >> /var/ipfire/ethernet/settings | |
158 | ;; | |
159 | esac | |
160 | done | |
161 | ||
162 | # Save CONFIG_TYPE | |
163 | echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings | |
164 | ||
165 | # Actions performed only on the very first start | |
166 | if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then | |
167 | # Disable using ISP nameservers | |
168 | sed -e "s/^USE_ISP_NAMESERVERS=.*/USE_ISP_NAMESERVERS=off/" -i /var/ipfire/dns/settings | |
169 | ||
170 | # Enable SSH | |
171 | sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings | |
172 | ||
173 | # Disable SSH password authentication | |
174 | sed -e "s/^ENABLE_SSH_PASSWORDS=.*/ENABLE_SSH_PASSWORDS=off/" -i /var/ipfire/remote/settings | |
175 | ||
176 | # Enable SSH key authentication | |
177 | sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings | |
178 | ||
179 | # Apply SSH settings | |
180 | /usr/local/bin/sshctrl | |
181 | ||
182 | # Mark SSH to start immediately (but not right now) | |
183 | touch /var/ipfire/remote/enablessh | |
184 | chown nobody:nobody /var/ipfire/remote/enablessh | |
185 | ||
186 | # Firewall rules for SSH and WEBIF | |
187 | ( | |
188 | echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second" | |
189 | echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second" | |
190 | ) >> /var/ipfire/firewall/input | |
191 | ||
9e413732 MT |
192 | # Download user-data |
193 | local user_data="$(get user-data)" | |
194 | ||
195 | # Save user-data script to be executed later | |
196 | if [ "${user_data:0:2}" = "#!" ]; then | |
197 | echo "${user_data}" > /tmp/user-data.script | |
198 | chmod 700 /tmp/user-data.script | |
199 | ||
200 | # Run the user-data script | |
201 | local now="$(date -u +"%s")" | |
202 | /tmp/user-data.script &>/var/log/user-data.log.${now} | |
203 | ||
204 | # Delete the script right away | |
205 | rm /tmp/user-data.script | |
206 | fi | |
207 | ||
e06d8de9 MT |
208 | # This script has now completed the first steps of setup |
209 | touch /var/ipfire/main/firstsetup_ok | |
210 | fi | |
211 | ||
212 | # All done | |
213 | echo_ok | |
214 | } | |
215 | ||
216 | case "${reason}" in | |
217 | PREINIT) | |
218 | # Bring up the interface | |
219 | ip link set "${interface}" up | |
220 | ;; | |
221 | ||
222 | BOUND|RENEW|REBIND|REBOOT) | |
223 | # Remove any previous IP addresses | |
224 | ip addr flush dev "${interface}" | |
225 | ||
226 | # Add (or re-add) the new IP address | |
227 | ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}" | |
228 | ||
229 | # Add the default route | |
d10fa6e6 | 230 | ip route add default via "${new_routers}" |
e06d8de9 MT |
231 | |
232 | # Setup DNS | |
233 | for domain_name_server in ${new_domain_name_servers}; do | |
234 | echo "nameserver ${domain_name_server}" | |
235 | done > /etc/resolv.conf | |
236 | ||
237 | # The system is online now | |
238 | touch /var/ipfire/red/active | |
239 | ||
240 | # Import Exoscale configuration | |
241 | import_exoscale_configuration | |
242 | ;; | |
243 | ||
244 | EXPIRE|FAIL|RELEASE|STOP) | |
245 | # The system is no longer online | |
246 | rm -f /var/ipfire/red/active | |
247 | ||
248 | # Remove all IP addresses | |
249 | ip addr flush dev "${interface}" | |
250 | ||
251 | # Shut down the interface | |
252 | ip link set "${interface}" down | |
253 | ;; | |
254 | ||
255 | *) | |
256 | echo "Unhandled reason: ${reason}" >&2 | |
257 | exit 2 | |
258 | ;; | |
259 | esac | |
260 | ||
261 | # Terminate | |
262 | exit 0 |