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Commit | Line | Data |
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bd3bcb45 MT |
1 | #!/bin/bash |
2 | ||
3 | . /etc/sysconfig/rc | |
4 | . ${rc_functions} | |
5 | ||
6 | get() { | |
7 | local file="${1}" | |
8 | ||
9 | wget -qO - "http://169.254.169.254/latest/meta-data/${file}" | |
10 | } | |
11 | ||
12 | to_address() { | |
13 | local n="${1}" | |
14 | ||
15 | local o1=$(( (n & 0xff000000) >> 24 )) | |
16 | local o2=$(( (n & 0xff0000) >> 16 )) | |
17 | local o3=$(( (n & 0xff00) >> 8 )) | |
18 | local o4=$(( (n & 0xff) )) | |
19 | ||
20 | printf "%d.%d.%d.%d\n" "${o1}" "${o2}" "${o3}" "${o4}" | |
21 | } | |
22 | ||
23 | to_integer() { | |
24 | local address="${1}" | |
25 | ||
26 | local integer=0 | |
27 | ||
28 | local i | |
29 | for i in ${address//\./ }; do | |
30 | integer=$(( (integer << 8) + i )) | |
31 | done | |
32 | ||
33 | printf "%d\n" "${integer}" | |
34 | } | |
35 | ||
36 | prefix2netmask() { | |
37 | local prefix=${1} | |
38 | ||
39 | local zeros=$(( 32 - prefix )) | |
40 | local netmask=0 | |
41 | ||
42 | local i | |
43 | for (( i=0; i<${zeros}; i++ )); do | |
44 | netmask=$(( (netmask << 1) ^ 1 )) | |
45 | done | |
46 | ||
47 | to_address "$(( netmask ^ 0xffffffff ))" | |
48 | } | |
49 | ||
c7141f04 MT |
50 | find_interface() { |
51 | local mac="${1}" | |
52 | ||
53 | local path | |
54 | for path in /sys/class/net/*; do | |
55 | local address="$(<${path}/address)" | |
56 | ||
57 | if [ "${mac}" = "${address}" ]; then | |
58 | basename "${path}" | |
59 | return 0 | |
60 | fi | |
61 | done | |
62 | ||
63 | return 1 | |
64 | } | |
65 | ||
bd3bcb45 MT |
66 | import_aws_configuration() { |
67 | local instance_id="$(get instance-id)" | |
68 | ||
69 | boot_mesg "Importing AWS configuration for instance ${instance_id}..." | |
70 | ||
eb7ccf87 MT |
71 | # Store instance ID |
72 | echo "${instance_id}" > /var/run/aws-instance-id | |
73 | ||
bd3bcb45 | 74 | # Initialise system settings |
3273ff48 | 75 | local hostname=$(get local-hostname) |
bd3bcb45 | 76 | |
3273ff48 MT |
77 | # Set hostname |
78 | if ! grep -q "^HOSTNAME=" /var/ipfire/main/settings; then | |
79 | echo "HOSTNAME=${hostname%%.*}" >> /var/ipfire/main/settings | |
80 | fi | |
81 | ||
82 | # Set domainname | |
83 | if ! grep -q "^DOMAINNAME=" /var/ipfire/main/settings; then | |
84 | echo "DOMAINNAME=${hostname#*.}" >> /var/ipfire/main/settings | |
bd3bcb45 MT |
85 | fi |
86 | ||
2e42a9ea MT |
87 | # Import SSH keys |
88 | local line | |
89 | for line in $(get "public-keys/"); do | |
90 | local key_no="${line%=*}" | |
91 | ||
92 | local key="$(get public-keys/${key_no}/openssh-key)" | |
93 | if [ -n "${key}" ] && ! grep -q "^${key}$" /root/.ssh/authorized_keys 2>/dev/null; then | |
94 | mkdir -p /root/.ssh | |
95 | chmod 700 /root/.ssh | |
96 | ||
97 | echo "${key}" >> /root/.ssh/authorized_keys | |
98 | chmod 600 /root/.ssh/authorized_keys | |
99 | fi | |
100 | done | |
101 | ||
bd3bcb45 MT |
102 | # Import any DNS server settings |
103 | eval $(/usr/local/bin/readhash <(grep -E "^DNS([0-9])=" /var/ipfire/ethernet/settings 2>/dev/null)) | |
104 | ||
105 | # Import network configuration | |
2e42a9ea MT |
106 | # After this, no network connectivity will be available from this script due to the |
107 | # renaming of the network interfaces for which they have to be shut down | |
0f224ad7 MT |
108 | local config_type=1 |
109 | : > /var/ipfire/ethernet/settings | |
bd3bcb45 | 110 | |
3273ff48 | 111 | local mac |
bd3bcb45 MT |
112 | for mac in $(get network/interfaces/macs/); do |
113 | # Remove trailing slash | |
114 | mac="${mac//\//}" | |
115 | ||
116 | local device_number="$(get "network/interfaces/macs/${mac}/device-number")" | |
117 | local interface_id="$(get "network/interfaces/macs/${mac}/interface-id")" | |
118 | ||
119 | # First IPv4 address | |
120 | local ipv4_address="$(get "network/interfaces/macs/${mac}/local-ipv4s" | head -n1)" | |
121 | local ipv4_address_num="$(to_integer "${ipv4_address}")" | |
122 | ||
607240e2 MT |
123 | # Get VPC subnet |
124 | local vpc="$(get "network/interfaces/macs/${mac}/vpc-ipv4-cidr-block")" | |
125 | local vpc_netaddress="${vpc%/*}" | |
126 | local vpc_netaddress_num="$(to_integer "${vpc_netaddress}")" | |
127 | ||
bd3bcb45 MT |
128 | # Get subnet size |
129 | local subnet="$(get "network/interfaces/macs/${mac}/subnet-ipv4-cidr-block")" | |
130 | ||
131 | local prefix="${subnet#*/}" | |
132 | local netmask="$(prefix2netmask "${prefix}")" | |
133 | local netmask_num="$(to_integer "${netmask}")" | |
134 | ||
135 | # Calculate the network and broadcast addresses | |
136 | local netaddress="${subnet%/*}" | |
137 | local netaddress_num="$(to_integer "${netaddress}")" | |
138 | local broadcast="$(to_address $(( ipv4_address_num | (0xffffffff ^ netmask_num) )))" | |
139 | ||
bd3bcb45 MT |
140 | case "${device_number}" in |
141 | # RED | |
142 | 0) | |
c7141f04 MT |
143 | local interface_name="red0" |
144 | ||
c86fd963 MT |
145 | # The gateway is always the first IP address in the subnet |
146 | local gateway="$(to_address $(( netaddress_num + 1 )))" | |
147 | ||
148 | # The AWS internal DNS service is available on the second IP address of the VPC | |
149 | local dns1="$(to_address $(( vpc_netaddress_num + 2 )))" | |
150 | local dns2= | |
151 | ||
bd3bcb45 MT |
152 | ( |
153 | echo "RED_TYPE=STATIC" | |
c7141f04 | 154 | echo "RED_DEV=${interface_name}" |
bd3bcb45 MT |
155 | echo "RED_MACADDR=${mac}" |
156 | echo "RED_DESCRIPTION='${interface_id}'" | |
157 | echo "RED_ADDRESS=${ipv4_address}" | |
158 | echo "RED_NETMASK=${netmask}" | |
159 | echo "RED_NETADDRESS=${netaddress}" | |
160 | echo "RED_BROADCAST=${broadcast}" | |
161 | echo "DEFAULT_GATEWAY=${gateway}" | |
162 | echo "DNS1=${DNS1:-${dns1}}" | |
163 | echo "DNS2=${DNS2:-${dns2}}" | |
164 | ) >> /var/ipfire/ethernet/settings | |
165 | ||
166 | # Import aliases for RED | |
167 | for alias in $(get "network/interfaces/macs/${mac}/local-ipv4s" | tail -n +2); do | |
168 | echo "${alias},on," | |
169 | done > /var/ipfire/ethernet/aliases | |
170 | ;; | |
171 | ||
172 | # GREEN | |
173 | 1) | |
c7141f04 MT |
174 | local interface_name="green0" |
175 | ||
bd3bcb45 | 176 | ( |
c7141f04 | 177 | echo "GREEN_DEV=${interface_name}" |
bd3bcb45 MT |
178 | echo "GREEN_MACADDR=${mac}" |
179 | echo "GREEN_DESCRIPTION='${interface_id}'" | |
180 | echo "GREEN_ADDRESS=${ipv4_address}" | |
181 | echo "GREEN_NETMASK=${netmask}" | |
182 | echo "GREEN_NETADDRESS=${netaddress}" | |
183 | echo "GREEN_BROADCAST=${broadcast}" | |
184 | ) >> /var/ipfire/ethernet/settings | |
185 | ;; | |
0f224ad7 MT |
186 | |
187 | # ORANGE | |
188 | 2) | |
c7141f04 | 189 | local interface_name="orange0" |
0f224ad7 MT |
190 | config_type=2 |
191 | ||
192 | ( | |
c7141f04 | 193 | echo "ORANGE_DEV=${interface_name}" |
0f224ad7 MT |
194 | echo "ORANGE_MACADDR=${mac}" |
195 | echo "ORANGE_DESCRIPTION='${interface_id}'" | |
196 | echo "ORANGE_ADDRESS=${ipv4_address}" | |
197 | echo "ORANGE_NETMASK=${netmask}" | |
198 | echo "ORANGE_NETADDRESS=${netaddress}" | |
199 | echo "ORANGE_BROADCAST=${broadcast}" | |
200 | ) >> /var/ipfire/ethernet/settings | |
201 | ;; | |
bd3bcb45 | 202 | esac |
c7141f04 MT |
203 | |
204 | # Rename interface | |
205 | local interface="$(find_interface "${mac}")" | |
206 | ||
470e85c3 | 207 | if [ -n "${interface}" ] && [ -n "${interface_name}" ] && [ "${interface}" != "${interface_name}" ]; then |
c7141f04 MT |
208 | ip link set "${interface}" down |
209 | ip link set "${interface}" name "${interface_name}" | |
210 | fi | |
bd3bcb45 MT |
211 | done |
212 | ||
0f224ad7 MT |
213 | # Save CONFIG_TYPE |
214 | echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings | |
215 | ||
bd3bcb45 MT |
216 | # Actions performed only on the very first start |
217 | if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then | |
7fa83c2f | 218 | # Enable SSH |
8b59ef08 MT |
219 | sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings |
220 | ||
7fa83c2f MT |
221 | touch /var/ipfire/remote/enablessh |
222 | chown nobody:nobody /var/ipfire/remote/enablessh | |
223 | ||
224 | # Enable SSH key authentication | |
225 | sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings | |
226 | ||
8f2c3b49 MT |
227 | # Apply SSH settings |
228 | /usr/local/bin/sshctrl | |
229 | ||
bd3bcb45 MT |
230 | # Firewall rules for SSH and WEBIF |
231 | ( | |
232 | echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second" | |
233 | echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second" | |
234 | ) >> /var/ipfire/firewall/input | |
235 | ||
236 | # This script has now completed the first steps of setup | |
237 | touch /var/ipfire/main/firstsetup_ok | |
238 | fi | |
239 | ||
240 | # All done | |
241 | echo_ok | |
242 | } | |
243 | ||
244 | case "${reason}" in | |
245 | PREINIT) | |
246 | # Bring up the interface | |
247 | ip link set "${interface}" up | |
248 | ;; | |
249 | ||
250 | BOUND|RENEW|REBIND|REBOOT) | |
251 | # Remove any previous IP addresses | |
252 | ip addr flush dev "${interface}" | |
253 | ||
254 | # Add (or re-add) the new IP address | |
255 | ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}" | |
256 | ||
257 | # Add the default route | |
258 | ip route add default via "${new_routers}" | |
259 | ||
260 | # Import AWS configuration | |
261 | import_aws_configuration | |
262 | ;; | |
263 | ||
264 | EXPIRE|FAIL|RELEASE|STOP) | |
265 | # Remove all IP addresses | |
266 | ip addr flush dev "${interface}" | |
267 | ;; | |
268 | ||
269 | *) | |
270 | echo "Unhandled reason: ${reason}" >&2 | |
271 | exit 2 | |
272 | ;; | |
273 | esac | |
274 | ||
275 | # Terminate | |
276 | exit 0 |