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Commit | Line | Data |
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bd3bcb45 MT |
1 | #!/bin/bash |
2 | ||
3 | . /etc/sysconfig/rc | |
4 | . ${rc_functions} | |
5 | ||
9ae73c30 MT |
6 | # Set PATH to find our own executables |
7 | export PATH=/usr/local/sbin:/usr/local/bin:${PATH} | |
8 | ||
bd3bcb45 MT |
9 | get() { |
10 | local file="${1}" | |
11 | ||
4e4c122c | 12 | wget -qO - "http://169.254.169.254/latest/${file}" |
bd3bcb45 MT |
13 | } |
14 | ||
15 | to_address() { | |
16 | local n="${1}" | |
17 | ||
18 | local o1=$(( (n & 0xff000000) >> 24 )) | |
19 | local o2=$(( (n & 0xff0000) >> 16 )) | |
20 | local o3=$(( (n & 0xff00) >> 8 )) | |
21 | local o4=$(( (n & 0xff) )) | |
22 | ||
23 | printf "%d.%d.%d.%d\n" "${o1}" "${o2}" "${o3}" "${o4}" | |
24 | } | |
25 | ||
26 | to_integer() { | |
27 | local address="${1}" | |
28 | ||
29 | local integer=0 | |
30 | ||
31 | local i | |
32 | for i in ${address//\./ }; do | |
33 | integer=$(( (integer << 8) + i )) | |
34 | done | |
35 | ||
36 | printf "%d\n" "${integer}" | |
37 | } | |
38 | ||
39 | prefix2netmask() { | |
40 | local prefix=${1} | |
41 | ||
42 | local zeros=$(( 32 - prefix )) | |
43 | local netmask=0 | |
44 | ||
45 | local i | |
46 | for (( i=0; i<${zeros}; i++ )); do | |
47 | netmask=$(( (netmask << 1) ^ 1 )) | |
48 | done | |
49 | ||
50 | to_address "$(( netmask ^ 0xffffffff ))" | |
51 | } | |
52 | ||
53 | import_aws_configuration() { | |
4e4c122c | 54 | local instance_id="$(get meta-data/instance-id)" |
bd3bcb45 MT |
55 | |
56 | boot_mesg "Importing AWS configuration for instance ${instance_id}..." | |
57 | ||
eb7ccf87 MT |
58 | # Store instance ID |
59 | echo "${instance_id}" > /var/run/aws-instance-id | |
60 | ||
bd3bcb45 | 61 | # Initialise system settings |
4e4c122c | 62 | local hostname=$(get meta-data/local-hostname) |
bd3bcb45 | 63 | |
3273ff48 MT |
64 | # Set hostname |
65 | if ! grep -q "^HOSTNAME=" /var/ipfire/main/settings; then | |
66 | echo "HOSTNAME=${hostname%%.*}" >> /var/ipfire/main/settings | |
67 | fi | |
68 | ||
69 | # Set domainname | |
70 | if ! grep -q "^DOMAINNAME=" /var/ipfire/main/settings; then | |
71 | echo "DOMAINNAME=${hostname#*.}" >> /var/ipfire/main/settings | |
bd3bcb45 MT |
72 | fi |
73 | ||
1413006b MT |
74 | # Create setup user |
75 | if ! getent passwd setup &>/dev/null; then | |
e2d9fe7e | 76 | useradd setup -s /usr/bin/run-setup -g nobody -m |
87d7fc66 MT |
77 | |
78 | # Unlock the account | |
79 | usermod -p "x" setup | |
1413006b | 80 | fi |
2e42a9ea | 81 | |
53eb4918 MT |
82 | # Import SSH keys for setup user |
83 | local line | |
4e4c122c | 84 | for line in $(get "meta-data/public-keys/"); do |
53eb4918 MT |
85 | local key_no="${line%=*}" |
86 | ||
4e4c122c | 87 | local key="$(get meta-data/public-keys/${key_no}/openssh-key)" |
53eb4918 MT |
88 | if [ -n "${key}" ] && ! grep -q "^${key}$" "/home/setup/.ssh/authorized_keys" 2>/dev/null; then |
89 | mkdir -p "/home/setup/.ssh" | |
90 | chmod 700 "/home/setup/.ssh" | |
6a7e6b44 | 91 | chown setup.nobody "/home/setup/.ssh" |
53eb4918 MT |
92 | |
93 | echo "${key}" >> "/home/setup/.ssh/authorized_keys" | |
94 | chmod 600 "/home/setup/.ssh/authorized_keys" | |
6a7e6b44 | 95 | chown setup.nobody "/home/setup/.ssh/authorized_keys" |
53eb4918 | 96 | fi |
2e42a9ea MT |
97 | done |
98 | ||
8defa50e MT |
99 | # Download the user-data script only on the first boot |
100 | if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then | |
101 | # Download user-data | |
102 | local user_data="$(get user-data)" | |
103 | ||
104 | # Save user-data script to be executed later | |
105 | if [ "${user_data:0:2}" = "#!" ]; then | |
106 | echo "${user_data}" > /tmp/aws-user-data.script | |
107 | chmod 700 /tmp/aws-user-data.script | |
108 | ||
109 | # Run the user-data script | |
93363446 MT |
110 | local now="$(date -u +"%s")" |
111 | /tmp/aws-user-data.script &>/var/log/user-data.log.${now} | |
8defa50e MT |
112 | |
113 | # Delete the script right away | |
114 | rm /tmp/aws-user-data.script | |
115 | fi | |
116 | fi | |
4e4c122c | 117 | |
bd3bcb45 | 118 | # Import network configuration |
2e42a9ea MT |
119 | # After this, no network connectivity will be available from this script due to the |
120 | # renaming of the network interfaces for which they have to be shut down | |
0f224ad7 MT |
121 | local config_type=1 |
122 | : > /var/ipfire/ethernet/settings | |
bd3bcb45 | 123 | |
3273ff48 | 124 | local mac |
4e4c122c | 125 | for mac in $(get meta-data/network/interfaces/macs/); do |
bd3bcb45 MT |
126 | # Remove trailing slash |
127 | mac="${mac//\//}" | |
128 | ||
4e4c122c MT |
129 | local device_number="$(get "meta-data/network/interfaces/macs/${mac}/device-number")" |
130 | local interface_id="$(get "meta-data/network/interfaces/macs/${mac}/interface-id")" | |
bd3bcb45 MT |
131 | |
132 | # First IPv4 address | |
4e4c122c | 133 | local ipv4_address="$(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | head -n1)" |
bd3bcb45 MT |
134 | local ipv4_address_num="$(to_integer "${ipv4_address}")" |
135 | ||
607240e2 | 136 | # Get VPC subnet |
4e4c122c | 137 | local vpc="$(get "meta-data/network/interfaces/macs/${mac}/vpc-ipv4-cidr-block")" |
607240e2 MT |
138 | local vpc_netaddress="${vpc%/*}" |
139 | local vpc_netaddress_num="$(to_integer "${vpc_netaddress}")" | |
140 | ||
bd3bcb45 | 141 | # Get subnet size |
4e4c122c | 142 | local subnet="$(get "meta-data/network/interfaces/macs/${mac}/subnet-ipv4-cidr-block")" |
bd3bcb45 MT |
143 | |
144 | local prefix="${subnet#*/}" | |
145 | local netmask="$(prefix2netmask "${prefix}")" | |
146 | local netmask_num="$(to_integer "${netmask}")" | |
147 | ||
148 | # Calculate the network and broadcast addresses | |
149 | local netaddress="${subnet%/*}" | |
150 | local netaddress_num="$(to_integer "${netaddress}")" | |
151 | local broadcast="$(to_address $(( ipv4_address_num | (0xffffffff ^ netmask_num) )))" | |
152 | ||
bd3bcb45 MT |
153 | case "${device_number}" in |
154 | # RED | |
155 | 0) | |
c7141f04 MT |
156 | local interface_name="red0" |
157 | ||
c86fd963 MT |
158 | # The gateway is always the first IP address in the subnet |
159 | local gateway="$(to_address $(( netaddress_num + 1 )))" | |
160 | ||
bd3bcb45 MT |
161 | ( |
162 | echo "RED_TYPE=STATIC" | |
c7141f04 | 163 | echo "RED_DEV=${interface_name}" |
bd3bcb45 MT |
164 | echo "RED_MACADDR=${mac}" |
165 | echo "RED_DESCRIPTION='${interface_id}'" | |
166 | echo "RED_ADDRESS=${ipv4_address}" | |
167 | echo "RED_NETMASK=${netmask}" | |
168 | echo "RED_NETADDRESS=${netaddress}" | |
169 | echo "RED_BROADCAST=${broadcast}" | |
170 | echo "DEFAULT_GATEWAY=${gateway}" | |
bd3bcb45 MT |
171 | ) >> /var/ipfire/ethernet/settings |
172 | ||
173 | # Import aliases for RED | |
4e4c122c | 174 | for alias in $(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | tail -n +2); do |
bd3bcb45 MT |
175 | echo "${alias},on," |
176 | done > /var/ipfire/ethernet/aliases | |
177 | ;; | |
178 | ||
179 | # GREEN | |
180 | 1) | |
c7141f04 MT |
181 | local interface_name="green0" |
182 | ||
bd3bcb45 | 183 | ( |
c7141f04 | 184 | echo "GREEN_DEV=${interface_name}" |
bd3bcb45 MT |
185 | echo "GREEN_MACADDR=${mac}" |
186 | echo "GREEN_DESCRIPTION='${interface_id}'" | |
187 | echo "GREEN_ADDRESS=${ipv4_address}" | |
188 | echo "GREEN_NETMASK=${netmask}" | |
189 | echo "GREEN_NETADDRESS=${netaddress}" | |
190 | echo "GREEN_BROADCAST=${broadcast}" | |
191 | ) >> /var/ipfire/ethernet/settings | |
192 | ;; | |
0f224ad7 MT |
193 | |
194 | # ORANGE | |
195 | 2) | |
c7141f04 | 196 | local interface_name="orange0" |
0f224ad7 MT |
197 | config_type=2 |
198 | ||
199 | ( | |
c7141f04 | 200 | echo "ORANGE_DEV=${interface_name}" |
0f224ad7 MT |
201 | echo "ORANGE_MACADDR=${mac}" |
202 | echo "ORANGE_DESCRIPTION='${interface_id}'" | |
203 | echo "ORANGE_ADDRESS=${ipv4_address}" | |
204 | echo "ORANGE_NETMASK=${netmask}" | |
205 | echo "ORANGE_NETADDRESS=${netaddress}" | |
206 | echo "ORANGE_BROADCAST=${broadcast}" | |
207 | ) >> /var/ipfire/ethernet/settings | |
208 | ;; | |
bd3bcb45 MT |
209 | esac |
210 | done | |
211 | ||
0f224ad7 MT |
212 | # Save CONFIG_TYPE |
213 | echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings | |
214 | ||
c5465a94 MT |
215 | |
216 | ||
bd3bcb45 MT |
217 | # Actions performed only on the very first start |
218 | if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then | |
7fa83c2f | 219 | # Enable SSH |
8b59ef08 MT |
220 | sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings |
221 | ||
0cf70cae MT |
222 | # Disable SSH password authentication |
223 | sed -e "s/^ENABLE_SSH_PASSWORDS=.*/ENABLE_SSH_PASSWORDS=off/" -i /var/ipfire/remote/settings | |
224 | ||
7fa83c2f MT |
225 | # Enable SSH key authentication |
226 | sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings | |
227 | ||
8f2c3b49 MT |
228 | # Apply SSH settings |
229 | /usr/local/bin/sshctrl | |
230 | ||
693208bf MT |
231 | # Mark SSH to start immediately (but not right now) |
232 | touch /var/ipfire/remote/enablessh | |
233 | chown nobody:nobody /var/ipfire/remote/enablessh | |
234 | ||
bd3bcb45 MT |
235 | # Firewall rules for SSH and WEBIF |
236 | ( | |
237 | echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second" | |
238 | echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second" | |
239 | ) >> /var/ipfire/firewall/input | |
240 | ||
241 | # This script has now completed the first steps of setup | |
242 | touch /var/ipfire/main/firstsetup_ok | |
243 | fi | |
244 | ||
245 | # All done | |
246 | echo_ok | |
247 | } | |
248 | ||
249 | case "${reason}" in | |
250 | PREINIT) | |
251 | # Bring up the interface | |
252 | ip link set "${interface}" up | |
253 | ;; | |
254 | ||
255 | BOUND|RENEW|REBIND|REBOOT) | |
256 | # Remove any previous IP addresses | |
257 | ip addr flush dev "${interface}" | |
258 | ||
259 | # Add (or re-add) the new IP address | |
260 | ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}" | |
261 | ||
262 | # Add the default route | |
263 | ip route add default via "${new_routers}" | |
264 | ||
647ca912 MT |
265 | # Setup DNS |
266 | for domain_name_server in ${new_domain_name_servers}; do | |
267 | echo "nameserver ${domain_name_server}" | |
268 | done > /etc/resolv.conf | |
269 | ||
270 | # The system is online now | |
271 | touch /var/ipfire/red/active | |
272 | ||
bd3bcb45 MT |
273 | # Import AWS configuration |
274 | import_aws_configuration | |
275 | ;; | |
276 | ||
277 | EXPIRE|FAIL|RELEASE|STOP) | |
647ca912 MT |
278 | # The system is no longer online |
279 | rm -f /var/ipfire/red/active | |
280 | ||
bd3bcb45 MT |
281 | # Remove all IP addresses |
282 | ip addr flush dev "${interface}" | |
c5465a94 MT |
283 | |
284 | # Shut down the interface | |
285 | ip link set "${interface}" down | |
bd3bcb45 MT |
286 | ;; |
287 | ||
288 | *) | |
289 | echo "Unhandled reason: ${reason}" >&2 | |
290 | exit 2 | |
291 | ;; | |
292 | esac | |
293 | ||
294 | # Terminate | |
295 | exit 0 |