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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 | |
1022b203 | 110 | /tmp/aws-user-data.script &>/var/log/user-data.log |
8defa50e MT |
111 | |
112 | # Delete the script right away | |
113 | rm /tmp/aws-user-data.script | |
114 | fi | |
115 | fi | |
4e4c122c | 116 | |
bd3bcb45 MT |
117 | # Import any DNS server settings |
118 | eval $(/usr/local/bin/readhash <(grep -E "^DNS([0-9])=" /var/ipfire/ethernet/settings 2>/dev/null)) | |
119 | ||
120 | # Import network configuration | |
2e42a9ea MT |
121 | # After this, no network connectivity will be available from this script due to the |
122 | # renaming of the network interfaces for which they have to be shut down | |
0f224ad7 MT |
123 | local config_type=1 |
124 | : > /var/ipfire/ethernet/settings | |
bd3bcb45 | 125 | |
3273ff48 | 126 | local mac |
4e4c122c | 127 | for mac in $(get meta-data/network/interfaces/macs/); do |
bd3bcb45 MT |
128 | # Remove trailing slash |
129 | mac="${mac//\//}" | |
130 | ||
4e4c122c MT |
131 | local device_number="$(get "meta-data/network/interfaces/macs/${mac}/device-number")" |
132 | local interface_id="$(get "meta-data/network/interfaces/macs/${mac}/interface-id")" | |
bd3bcb45 MT |
133 | |
134 | # First IPv4 address | |
4e4c122c | 135 | local ipv4_address="$(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | head -n1)" |
bd3bcb45 MT |
136 | local ipv4_address_num="$(to_integer "${ipv4_address}")" |
137 | ||
607240e2 | 138 | # Get VPC subnet |
4e4c122c | 139 | local vpc="$(get "meta-data/network/interfaces/macs/${mac}/vpc-ipv4-cidr-block")" |
607240e2 MT |
140 | local vpc_netaddress="${vpc%/*}" |
141 | local vpc_netaddress_num="$(to_integer "${vpc_netaddress}")" | |
142 | ||
bd3bcb45 | 143 | # Get subnet size |
4e4c122c | 144 | local subnet="$(get "meta-data/network/interfaces/macs/${mac}/subnet-ipv4-cidr-block")" |
bd3bcb45 MT |
145 | |
146 | local prefix="${subnet#*/}" | |
147 | local netmask="$(prefix2netmask "${prefix}")" | |
148 | local netmask_num="$(to_integer "${netmask}")" | |
149 | ||
150 | # Calculate the network and broadcast addresses | |
151 | local netaddress="${subnet%/*}" | |
152 | local netaddress_num="$(to_integer "${netaddress}")" | |
153 | local broadcast="$(to_address $(( ipv4_address_num | (0xffffffff ^ netmask_num) )))" | |
154 | ||
bd3bcb45 MT |
155 | case "${device_number}" in |
156 | # RED | |
157 | 0) | |
c7141f04 MT |
158 | local interface_name="red0" |
159 | ||
c86fd963 MT |
160 | # The gateway is always the first IP address in the subnet |
161 | local gateway="$(to_address $(( netaddress_num + 1 )))" | |
162 | ||
163 | # The AWS internal DNS service is available on the second IP address of the VPC | |
164 | local dns1="$(to_address $(( vpc_netaddress_num + 2 )))" | |
165 | local dns2= | |
166 | ||
bd3bcb45 MT |
167 | ( |
168 | echo "RED_TYPE=STATIC" | |
c7141f04 | 169 | echo "RED_DEV=${interface_name}" |
bd3bcb45 MT |
170 | echo "RED_MACADDR=${mac}" |
171 | echo "RED_DESCRIPTION='${interface_id}'" | |
172 | echo "RED_ADDRESS=${ipv4_address}" | |
173 | echo "RED_NETMASK=${netmask}" | |
174 | echo "RED_NETADDRESS=${netaddress}" | |
175 | echo "RED_BROADCAST=${broadcast}" | |
176 | echo "DEFAULT_GATEWAY=${gateway}" | |
177 | echo "DNS1=${DNS1:-${dns1}}" | |
178 | echo "DNS2=${DNS2:-${dns2}}" | |
179 | ) >> /var/ipfire/ethernet/settings | |
180 | ||
181 | # Import aliases for RED | |
4e4c122c | 182 | for alias in $(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | tail -n +2); do |
bd3bcb45 MT |
183 | echo "${alias},on," |
184 | done > /var/ipfire/ethernet/aliases | |
185 | ;; | |
186 | ||
187 | # GREEN | |
188 | 1) | |
c7141f04 MT |
189 | local interface_name="green0" |
190 | ||
bd3bcb45 | 191 | ( |
c7141f04 | 192 | echo "GREEN_DEV=${interface_name}" |
bd3bcb45 MT |
193 | echo "GREEN_MACADDR=${mac}" |
194 | echo "GREEN_DESCRIPTION='${interface_id}'" | |
195 | echo "GREEN_ADDRESS=${ipv4_address}" | |
196 | echo "GREEN_NETMASK=${netmask}" | |
197 | echo "GREEN_NETADDRESS=${netaddress}" | |
198 | echo "GREEN_BROADCAST=${broadcast}" | |
199 | ) >> /var/ipfire/ethernet/settings | |
200 | ;; | |
0f224ad7 MT |
201 | |
202 | # ORANGE | |
203 | 2) | |
c7141f04 | 204 | local interface_name="orange0" |
0f224ad7 MT |
205 | config_type=2 |
206 | ||
207 | ( | |
c7141f04 | 208 | echo "ORANGE_DEV=${interface_name}" |
0f224ad7 MT |
209 | echo "ORANGE_MACADDR=${mac}" |
210 | echo "ORANGE_DESCRIPTION='${interface_id}'" | |
211 | echo "ORANGE_ADDRESS=${ipv4_address}" | |
212 | echo "ORANGE_NETMASK=${netmask}" | |
213 | echo "ORANGE_NETADDRESS=${netaddress}" | |
214 | echo "ORANGE_BROADCAST=${broadcast}" | |
215 | ) >> /var/ipfire/ethernet/settings | |
216 | ;; | |
bd3bcb45 MT |
217 | esac |
218 | done | |
219 | ||
0f224ad7 MT |
220 | # Save CONFIG_TYPE |
221 | echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings | |
222 | ||
c5465a94 MT |
223 | |
224 | ||
bd3bcb45 MT |
225 | # Actions performed only on the very first start |
226 | if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then | |
7fa83c2f | 227 | # Enable SSH |
8b59ef08 MT |
228 | sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings |
229 | ||
0cf70cae MT |
230 | # Disable SSH password authentication |
231 | sed -e "s/^ENABLE_SSH_PASSWORDS=.*/ENABLE_SSH_PASSWORDS=off/" -i /var/ipfire/remote/settings | |
232 | ||
7fa83c2f MT |
233 | # Enable SSH key authentication |
234 | sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings | |
235 | ||
8f2c3b49 MT |
236 | # Apply SSH settings |
237 | /usr/local/bin/sshctrl | |
238 | ||
693208bf MT |
239 | # Mark SSH to start immediately (but not right now) |
240 | touch /var/ipfire/remote/enablessh | |
241 | chown nobody:nobody /var/ipfire/remote/enablessh | |
242 | ||
bd3bcb45 MT |
243 | # Firewall rules for SSH and WEBIF |
244 | ( | |
245 | echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second" | |
246 | echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second" | |
247 | ) >> /var/ipfire/firewall/input | |
248 | ||
249 | # This script has now completed the first steps of setup | |
250 | touch /var/ipfire/main/firstsetup_ok | |
251 | fi | |
252 | ||
253 | # All done | |
254 | echo_ok | |
255 | } | |
256 | ||
257 | case "${reason}" in | |
258 | PREINIT) | |
259 | # Bring up the interface | |
260 | ip link set "${interface}" up | |
261 | ;; | |
262 | ||
263 | BOUND|RENEW|REBIND|REBOOT) | |
264 | # Remove any previous IP addresses | |
265 | ip addr flush dev "${interface}" | |
266 | ||
267 | # Add (or re-add) the new IP address | |
268 | ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}" | |
269 | ||
270 | # Add the default route | |
271 | ip route add default via "${new_routers}" | |
272 | ||
647ca912 MT |
273 | # Setup DNS |
274 | for domain_name_server in ${new_domain_name_servers}; do | |
275 | echo "nameserver ${domain_name_server}" | |
276 | done > /etc/resolv.conf | |
277 | ||
278 | # The system is online now | |
279 | touch /var/ipfire/red/active | |
280 | ||
bd3bcb45 MT |
281 | # Import AWS configuration |
282 | import_aws_configuration | |
283 | ;; | |
284 | ||
285 | EXPIRE|FAIL|RELEASE|STOP) | |
647ca912 MT |
286 | # The system is no longer online |
287 | rm -f /var/ipfire/red/active | |
288 | ||
bd3bcb45 MT |
289 | # Remove all IP addresses |
290 | ip addr flush dev "${interface}" | |
c5465a94 MT |
291 | |
292 | # Shut down the interface | |
293 | ip link set "${interface}" down | |
bd3bcb45 MT |
294 | ;; |
295 | ||
296 | *) | |
297 | echo "Unhandled reason: ${reason}" >&2 | |
298 | exit 2 | |
299 | ;; | |
300 | esac | |
301 | ||
302 | # Terminate | |
303 | exit 0 |