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Commit | Line | Data |
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917a1aa0 JS |
1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2017 IPFire Network Development Team # | |
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 | ############################################################################### | |
21 | ||
33944dfb MT |
22 | IPSEC_CONNECTION_CONFIG_SETTINGS="\ |
23 | AUTH_MODE \ | |
24 | DPD_ACTION \ | |
25 | DPD_DELAY \ | |
26 | DPD_TIMEOUT \ | |
27 | INACTIVITY_TIMEOUT \ | |
28 | LOCAL_ADDRESS \ | |
29 | LOCAL_ID \ | |
30 | LOCAL_PREFIX \ | |
31 | MODE \ | |
32 | PEER \ | |
96fdb077 | 33 | POOLS \ |
33944dfb MT |
34 | PSK \ |
35 | REMOTE_ID \ | |
36 | REMOTE_PREFIX \ | |
5601f4f5 | 37 | SECURITY_POLICY \ |
eb6fa666 | 38 | START_ACTION \ |
89d71d08 | 39 | TYPE \ |
5601f4f5 | 40 | ENABLED" |
917a1aa0 JS |
41 | |
42 | # Default values | |
ab589039 | 43 | IPSEC_DEFAULT_AUTH_MODE="PSK" |
bb9fccaf JS |
44 | IPSEC_DEFAULT_DPD_ACTION="restart" |
45 | IPSEC_DEFAULT_DPD_DELAY="30" | |
46 | IPSEC_DEFAULT_DPD_TIMEOUT="120" | |
5601f4f5 | 47 | IPSEC_DEFAULT_ENABLED="true" |
917a1aa0 | 48 | IPSEC_DEFAULT_INACTIVITY_TIMEOUT="0" |
bb9fccaf | 49 | IPSEC_DEFAULT_MODE="tunnel" |
917a1aa0 | 50 | IPSEC_DEFAULT_SECURITY_POLICY="system" |
bb9fccaf | 51 | IPSEC_DEFAULT_START_ACTION="on-demand" |
89d71d08 | 52 | IPSEC_DEFAULT_TYPE="net-to-net" |
917a1aa0 JS |
53 | |
54 | IPSEC_VALID_MODES="gre-transport tunnel vti" | |
ab589039 | 55 | IPSEC_VALID_AUTH_MODES="PSK" |
917a1aa0 | 56 | |
2da98f56 MT |
57 | cli_ipsec() { |
58 | local action=${1} | |
59 | shift 1 | |
60 | ||
61 | case "${action}" in | |
62 | connection) | |
2212045f | 63 | cli_ipsec_connection "$@" |
2da98f56 | 64 | ;; |
7c623df2 | 65 | pool) |
2212045f | 66 | cli_ipsec_pool "$@" |
7c623df2 | 67 | ;; |
2da98f56 MT |
68 | *) |
69 | error "Unrecognized argument: ${action}" | |
70 | exit ${EXIT_ERROR} | |
71 | ;; | |
72 | esac | |
73 | } | |
74 | ||
75 | cli_ipsec_connection() { | |
76 | if ipsec_connection_exists ${1}; then | |
77 | local connection=${1} | |
78 | local key=${2} | |
79 | key=${key//-/_} | |
80 | shift 2 | |
81 | ||
82 | case "${key}" in | |
96fdb077 | 83 | authentication|down|disable|dpd|enable|inactivity_timeout|local|mode|peer|pool|remote|security_policy|start_action|up) |
2212045f | 84 | ipsec_connection_${key} ${connection} "$@" |
2da98f56 | 85 | ;; |
5bcadc60 JS |
86 | color) |
87 | color_cli "ipsec-connection" "${connection}" "$@" | |
88 | ;; | |
c1e76e97 MT |
89 | show) |
90 | cli_ipsec_connection_show "${connection}" | |
91 | exit $? | |
92 | ;; | |
2da98f56 MT |
93 | *) |
94 | error "Unrecognized argument: ${key}" | |
95 | exit ${EXIT_ERROR} | |
96 | ;; | |
97 | esac | |
98 | else | |
99 | local action=${1} | |
100 | shift | |
101 | ||
102 | case "${action}" in | |
103 | new) | |
2212045f | 104 | ipsec_connection_new "$@" |
2da98f56 MT |
105 | ;; |
106 | destroy) | |
2212045f | 107 | cli_ipsec_connection_destroy "$@" |
2da98f56 MT |
108 | ;; |
109 | ""|*) | |
110 | if [ -n "${action}" ]; then | |
111 | error "Unrecognized argument: '${action}'" | |
112 | fi | |
113 | exit ${EXIT_ERROR} | |
114 | ;; | |
115 | esac | |
116 | fi | |
117 | } | |
118 | ||
fa33d830 MT |
119 | cli_ipsec_connection_destroy() { |
120 | local connection="${1}" | |
121 | ||
122 | if ! ipsec_connection_destroy "${connection}"; then | |
123 | return ${EXIT_ERROR} | |
124 | fi | |
125 | ||
126 | # Inform strongswan about the changes | |
127 | ipsec_strongswan_load | |
128 | ||
129 | # Configure strongswan autostart | |
130 | ipsec_strongswan_autostart | |
131 | } | |
132 | ||
5bcadc60 JS |
133 | ipsec_connection_get_color() { |
134 | # This function return the color of a zone | |
135 | assert [ $# -eq 1 ] | |
136 | ||
137 | local name=${1} | |
138 | color_read "ipsec-connection" ${name} | |
139 | } | |
140 | ||
c1e76e97 MT |
141 | cli_ipsec_connection_show() { |
142 | local connection="${1}" | |
143 | ||
144 | # Read the config settings | |
145 | local ${IPSEC_CONNECTION_CONFIG_SETTINGS} | |
146 | if ! ipsec_connection_read_config "${connection}"; then | |
147 | error "Could not read the connection configuration" | |
148 | return ${EXIT_ERROR} | |
149 | fi | |
150 | ||
151 | cli_headline 0 "IPsec VPN Connection: ${connection}" | |
152 | cli_space | |
153 | ||
5bcadc60 JS |
154 | cli_print_fmt1 1 "Color" "$(cli_color_bar $(ipsec_connection_get_color ${connection}))" |
155 | cli_space | |
156 | ||
c1e76e97 MT |
157 | # Peer |
158 | if isset PEER; then | |
159 | cli_print_fmt1 1 "Peer" "${PEER}" | |
160 | fi | |
161 | ||
162 | # Security Policy | |
163 | cli_print_fmt1 1 "Security Policy" "${SECURITY_POLICY-${IPSEC_DEFAULT_SECURITY_POLICY}}" | |
164 | cli_space | |
165 | ||
166 | cli_headline 2 "Authentication" | |
167 | case "${AUTH_MODE^^}" in | |
168 | PSK) | |
169 | cli_print_fmt1 2 "Mode" "Pre-Shared-Key" | |
170 | ||
171 | if isset PSK; then | |
172 | cli_print_fmt1 2 "Pre-Shared-Key" "****" | |
173 | else | |
174 | cli_print_fmt1 2 "Pre-Shared-Key" "- is not set -" | |
175 | fi | |
176 | ;; | |
177 | X509) | |
178 | : # TODO | |
179 | ;; | |
180 | esac | |
181 | cli_space | |
182 | ||
183 | local i | |
184 | for i in LOCAL REMOTE; do | |
185 | case "${i}" in | |
186 | LOCAL) | |
187 | cli_headline 2 "Local" | |
188 | ;; | |
189 | REMOTE) | |
190 | cli_headline 2 "Remote" | |
191 | ;; | |
192 | esac | |
193 | ||
194 | local id_var="${i}_ID" | |
195 | if [ -n "${!id_var}" ]; then | |
196 | cli_print_fmt1 2 "ID" "${!id_var}" | |
197 | fi | |
198 | ||
199 | local prefix_var="${i}_PREFIX" | |
200 | if isset ${prefix_var}; then | |
201 | cli_headline 3 "Prefix(es)" | |
202 | ||
203 | local prefix | |
204 | for prefix in ${!prefix_var}; do | |
205 | cli_print_fmt1 3 "${prefix}" | |
206 | done | |
207 | fi | |
208 | ||
209 | cli_space | |
210 | done | |
211 | ||
212 | cli_headline 2 "Misc." | |
213 | ||
214 | case "${MODE}" in | |
215 | gre-transport) | |
216 | cli_print_fmt1 2 "Transport Mode" "GRE Transport" | |
217 | ;; | |
218 | tunnel) | |
219 | cli_print_fmt1 2 "Transport Mode" "Tunnel" | |
220 | ;; | |
221 | vti) | |
222 | cli_print_fmt1 2 "Transport Mode" "Virtual Tunnel Interface" | |
223 | ;; | |
224 | *) | |
225 | cli_print_fmt1 2 "Transport Mode" "- Unknown -" | |
226 | ;; | |
227 | esac | |
228 | ||
229 | # Inactivity timeout | |
230 | if isset INACTIVITY_TIMEOUT && [ ${INACTIVITY_TIMEOUT} -gt 0 ]; then | |
231 | cli_print_fmt1 2 "Inactivity Timeout" "$(format_time ${INACTIVITY_TIMEOUT})" | |
232 | fi | |
233 | cli_space | |
234 | ||
235 | return ${EXIT_OK} | |
236 | } | |
237 | ||
5601f4f5 JS |
238 | ipsec_connection_disable() { |
239 | local connection=${1} | |
240 | ||
241 | if ! ipsec_connection_write_config_key "${connection}" "ENABLED" "false"; then | |
242 | log ERROR "Could not write configuration settings" | |
243 | return ${EXIT_ERROR} | |
244 | fi | |
245 | ||
c3f31173 MT |
246 | # Configure strongswan autostart |
247 | ipsec_strongswan_autostart | |
5601f4f5 JS |
248 | } |
249 | ||
250 | ipsec_connection_enable() { | |
251 | local connection=${1} | |
252 | ||
253 | if ! ipsec_connection_write_config_key "${connection}" "ENABLED" "true"; then | |
254 | log ERROR "Could not write configuration settings" | |
255 | return ${EXIT_ERROR} | |
256 | fi | |
257 | ||
c3f31173 MT |
258 | # Configure strongswan autostart |
259 | ipsec_strongswan_autostart | |
5601f4f5 JS |
260 | } |
261 | ||
917a1aa0 JS |
262 | # This function writes all values to a via ${connection} specificated VPN IPsec configuration file |
263 | ipsec_connection_write_config() { | |
264 | assert [ $# -ge 1 ] | |
265 | ||
266 | local connection="${1}" | |
267 | ||
268 | if ! ipsec_connection_exists "${connection}"; then | |
269 | log ERROR "No such VPN IPsec connection: ${connection}" | |
270 | return ${EXIT_ERROR} | |
271 | fi | |
272 | ||
cf8685a1 | 273 | local path="${NETWORK_IPSEC_CONNS_DIR}/${connection}/settings" |
917a1aa0 JS |
274 | |
275 | if ! settings_write "${path}" ${IPSEC_CONNECTION_CONFIG_SETTINGS}; then | |
276 | log ERROR "Could not write configuration settings for VPN IPsec connection ${connection}" | |
277 | return ${EXIT_ERROR} | |
278 | fi | |
279 | ||
280 | ipsec_reload ${connection} | |
281 | } | |
282 | ||
283 | # This funtion writes the value for one key to a via ${connection} specificated VPN IPsec connection configuration file | |
284 | ipsec_connection_write_config_key() { | |
285 | assert [ $# -ge 3 ] | |
286 | ||
287 | local connection=${1} | |
288 | local key=${2} | |
289 | shift 2 | |
290 | ||
291 | local value="$@" | |
292 | ||
293 | if ! ipsec_connection_exists "${connection}"; then | |
294 | log ERROR "No such VPN ipsec connection: ${connection}" | |
295 | return ${EXIT_ERROR} | |
296 | fi | |
297 | ||
298 | log DEBUG "Set '${key}' to new value '${value}' in VPN ipsec connection '${connection}'" | |
299 | ||
300 | local ${IPSEC_CONNECTION_CONFIG_SETTINGS} | |
301 | ||
302 | # Read the config settings | |
303 | if ! ipsec_connection_read_config "${connection}"; then | |
304 | return ${EXIT_ERROR} | |
305 | fi | |
306 | ||
307 | # Set the key to a new value | |
308 | assign "${key}" "${value}" | |
309 | ||
310 | if ! ipsec_connection_write_config "${connection}"; then | |
311 | return ${EXIT_ERROR} | |
312 | fi | |
313 | ||
314 | return ${EXIT_TRUE} | |
315 | } | |
316 | ||
317 | # Reads one or more keys out of a settings file or all if no key is provided. | |
318 | ipsec_connection_read_config() { | |
319 | assert [ $# -ge 1 ] | |
320 | ||
321 | local connection="${1}" | |
322 | shift 1 | |
323 | ||
324 | if ! ipsec_connection_exists "${connection}"; then | |
325 | log ERROR "No such VPN IPsec connection : ${connection}" | |
326 | return ${EXIT_ERROR} | |
327 | fi | |
328 | ||
329 | ||
330 | local args | |
331 | if [ $# -eq 0 ] && [ -n "${IPSEC_CONNECTION_CONFIG_SETTINGS}" ]; then | |
332 | list_append args ${IPSEC_CONNECTION_CONFIG_SETTINGS} | |
333 | else | |
2212045f | 334 | list_append args "$@" |
917a1aa0 JS |
335 | fi |
336 | ||
cf8685a1 | 337 | local path="${NETWORK_IPSEC_CONNS_DIR}/${connection}/settings" |
917a1aa0 JS |
338 | |
339 | if ! settings_read "${path}" ${args}; then | |
340 | log ERROR "Could not read settings for VPN IPsec connection ${connection}" | |
341 | return ${EXIT_ERROR} | |
342 | fi | |
343 | } | |
344 | ||
917a1aa0 JS |
345 | # This function checks if a vpn ipsec connection exists |
346 | # Returns True when yes and false when not | |
347 | ipsec_connection_exists() { | |
348 | assert [ $# -eq 1 ] | |
349 | ||
350 | local connection=${1} | |
351 | ||
cf8685a1 | 352 | local path="${NETWORK_IPSEC_CONNS_DIR}/${connection}" |
917a1aa0 JS |
353 | |
354 | [ -d "${path}" ] && return ${EXIT_TRUE} || return ${EXIT_FALSE} | |
355 | } | |
356 | ||
c3f31173 MT |
357 | # Determines if strongswan should be automatically started |
358 | # when the system boots up. | |
359 | ipsec_strongswan_autostart() { | |
360 | local autostart_needed="false" | |
361 | ||
362 | local connection | |
363 | for connection in $(ipsec_list_connections); do | |
364 | local ENABLED | |
365 | ||
366 | if ! ipsec_connection_read_config "${connection}" "ENABLED"; then | |
367 | log WARNING "Could not read configuation" | |
368 | continue | |
369 | fi | |
370 | ||
371 | if enabled ENABLED; then | |
372 | autostart_needed="true" | |
373 | break | |
374 | fi | |
375 | done | |
376 | ||
377 | # Start strongswan when we need it and when it is not yet enabled | |
b863fe52 MT |
378 | if ${autostart_needed}; then |
379 | if ! service_is_enabled "strongswan"; then | |
380 | service_enable "strongswan" | |
381 | fi | |
382 | ||
383 | if ! service_is_active "strongswan"; then | |
384 | service_start "strongswan" | |
385 | fi | |
c3f31173 MT |
386 | |
387 | # Disable strongswan when we do not need it but it is enabled | |
b863fe52 MT |
388 | elif ! ${autostart_needed}; then |
389 | if service_is_enabled "strongswan"; then | |
390 | service_disable "strongswan" | |
391 | fi | |
392 | ||
393 | if service_is_active "strongswan"; then | |
394 | service_stop "strongswan" | |
395 | fi | |
c3f31173 MT |
396 | fi |
397 | } | |
398 | ||
f0e91d26 | 399 | ipsec_strongswan_load() { |
7fc57ebc MT |
400 | # Do nothing if strongswan is not running |
401 | if ! service_is_active "strongswan"; then | |
402 | return ${EXIT_OK} | |
403 | fi | |
404 | ||
f0e91d26 JS |
405 | if ! cmd swanctl --load-all; then |
406 | log ERROR "Could not reload strongswan config" | |
407 | return ${EXIT_ERROR} | |
408 | fi | |
409 | } | |
410 | ||
917a1aa0 JS |
411 | # Reloads the connection after config changes |
412 | ipsec_reload() { | |
39d87f20 JS |
413 | local connection=${1} |
414 | ||
5601f4f5 JS |
415 | local ENABLED |
416 | ||
417 | if ! ipsec_connection_read_config "${connection}" "ENABLED"; then | |
418 | log ERROR "Could not read configuration for IPsec connection ${connection}" | |
39d87f20 JS |
419 | return ${EXIT_ERROR} |
420 | fi | |
421 | ||
471f16bc | 422 | if enabled ENABLED; then |
5601f4f5 JS |
423 | if ! ipsec_connection_to_strongswan ${connection}; then |
424 | log ERROR "Could not generate strongswan config for ${connnection}" | |
425 | return ${EXIT_ERROR} | |
426 | fi | |
427 | else | |
ad482897 | 428 | log DEBUG "Deleting strongswan config ${NETWORK_IPSEC_SWANCTL_CONNECTIONS_DIR}/${connection}.conf" |
5601f4f5 JS |
429 | unlink "${NETWORK_IPSEC_SWANCTL_CONNECTIONS_DIR}/${connection}.conf" |
430 | fi | |
431 | ||
f0e91d26 | 432 | ipsec_strongswan_load |
917a1aa0 JS |
433 | } |
434 | ||
435 | # Handle the cli after authentification | |
436 | ipsec_connection_authentication() { | |
437 | if [ ! $# -gt 1 ]; then | |
438 | log ERROR "Not enough arguments" | |
439 | return ${EXIT_ERROR} | |
440 | fi | |
441 | ||
442 | local connection=${1} | |
443 | local cmd=${2} | |
444 | shift 2 | |
445 | ||
446 | case ${cmd} in | |
447 | mode) | |
2212045f | 448 | ipsec_connection_authentication_mode "${connection}" "$@" |
917a1aa0 JS |
449 | ;; |
450 | pre-shared-key) | |
2212045f | 451 | ipsec_connection_authentication_psk "${connection}" "$@" |
917a1aa0 JS |
452 | ;; |
453 | *) | |
454 | log ERROR "Unrecognized argument: ${cmd}" | |
455 | return ${EXIT_ERROR} | |
456 | ;; | |
457 | esac | |
458 | } | |
459 | ||
460 | # Set the authentification mode | |
461 | ipsec_connection_authentication_mode() { | |
462 | if [ ! $# -eq 2 ]; then | |
463 | log ERROR "Not enough arguments" | |
464 | return ${EXIT_ERROR} | |
465 | fi | |
466 | local connection=${1} | |
467 | local mode=${2} | |
468 | ||
469 | if ! isoneof mode ${IPSEC_VALID_AUTH_MODES}; then | |
470 | log ERROR "Auth mode '${mode}' is invalid" | |
471 | return ${EXIT_ERROR} | |
472 | fi | |
473 | ||
ab589039 | 474 | if ! ipsec_connection_write_config_key "${connection}" "AUTH_MODE" ${mode^^}; then |
917a1aa0 JS |
475 | log ERROR "Could not write configuration settings" |
476 | return ${EXIT_ERROR} | |
477 | fi | |
478 | } | |
479 | ||
480 | # Set the psk | |
481 | ipsec_connection_authentication_psk() { | |
db491d1d | 482 | if [ ! $# -eq 2 ]; then |
917a1aa0 JS |
483 | log ERROR "Not enough arguments" |
484 | return ${EXIT_ERROR} | |
485 | fi | |
1bfc4f56 | 486 | |
917a1aa0 JS |
487 | local connection=${1} |
488 | local psk=${2} | |
489 | ||
1bfc4f56 MT |
490 | local length=${#psk} |
491 | ||
492 | if [ ${length} -lt 4 ]; then | |
493 | error "The PSK must be longer than four characters" | |
494 | return ${EXIT_ERROR} | |
495 | fi | |
496 | ||
497 | if [ ${length} -gt 128 ]; then | |
498 | error "The PSK cannot be longer than 128 characters" | |
499 | return ${EXIT_ERROR} | |
500 | fi | |
917a1aa0 | 501 | |
1bfc4f56 | 502 | if ! ipsec_connection_write_config_key "${connection}" "PSK" "${psk}"; then |
917a1aa0 JS |
503 | log ERROR "Could not write configuration settings" |
504 | return ${EXIT_ERROR} | |
505 | fi | |
506 | ||
507 | return ${EXIT_OK} | |
508 | } | |
509 | ||
3cde31b9 MT |
510 | ipsec_connection_up() { |
511 | local connection="${1}" | |
512 | ||
513 | if ! ipsec_connection_exists "${connection}"; then | |
514 | error "No such VPN IPsec connection: ${connection}" | |
515 | return ${EXIT_ERROR} | |
516 | fi | |
517 | ||
518 | cmd swanctl --initiate --child "${connection}" | |
519 | } | |
520 | ||
521 | ipsec_connection_down() { | |
522 | local connection="${1}" | |
523 | ||
524 | if ! ipsec_connection_exists "${connection}"; then | |
525 | error "No such VPN IPsec connection: ${connection}" | |
526 | return ${EXIT_ERROR} | |
527 | fi | |
528 | ||
529 | cmd swanctl --terminate --ike "${connection}" | |
530 | } | |
bb9fccaf JS |
531 | |
532 | # Handle the cli after authentification | |
533 | ipsec_connection_dpd() { | |
534 | if [ ! $# -gt 1 ]; then | |
535 | log ERROR "Not enough arguments" | |
536 | return ${EXIT_ERROR} | |
537 | fi | |
538 | ||
539 | local connection=${1} | |
540 | local cmd=${2} | |
541 | shift 2 | |
542 | ||
543 | case ${cmd} in | |
544 | action) | |
2212045f | 545 | ipsec_connection_dpd_action "${connection}" "$@" |
bb9fccaf JS |
546 | ;; |
547 | delay) | |
2212045f | 548 | ipsec_connection_dpd_delay "${connection}" "$@" |
bb9fccaf JS |
549 | ;; |
550 | timeout) | |
2212045f | 551 | ipsec_connection_dpd_timeout "${connection}" "$@" |
bb9fccaf JS |
552 | ;; |
553 | *) | |
554 | log ERROR "Unrecognized argument: ${cmd}" | |
555 | return ${EXIT_ERROR} | |
556 | ;; | |
557 | esac | |
558 | } | |
559 | ||
560 | # Set the default dpd action | |
561 | ipsec_connection_dpd_action() { | |
562 | if [ ! $# -eq 2 ]; then | |
563 | log ERROR "Not enough arguments" | |
564 | return ${EXIT_ERROR} | |
565 | fi | |
566 | local connection=${1} | |
567 | local action=${2} | |
568 | ||
569 | if ! isoneof action "restart" "clear"; then | |
570 | log ERROR "dpd action '${action}' is invalid" | |
571 | return ${EXIT_ERROR} | |
572 | fi | |
573 | ||
574 | if ! ipsec_connection_write_config_key "${connection}" "DPD_ACTION" ${action}; then | |
575 | log ERROR "Could not write configuration settings" | |
576 | return ${EXIT_ERROR} | |
577 | fi | |
578 | } | |
579 | ||
580 | # Set the dpd delay | |
581 | ipsec_connection_dpd_delay() { | |
582 | if [ ! $# -ge 2 ]; then | |
583 | log ERROR "Not enough arguments" | |
584 | return ${EXIT_ERROR} | |
585 | fi | |
586 | ||
587 | local connection=${1} | |
588 | shift 1 | |
589 | local value=$@ | |
590 | ||
591 | if ! isinteger value; then | |
2212045f | 592 | value=$(parse_time "$@") |
bb9fccaf JS |
593 | if [ ! $? -eq 0 ]; then |
594 | log ERROR "Parsing the passed time was not sucessful please check the passed values." | |
595 | return ${EXIT_ERROR} | |
596 | fi | |
597 | fi | |
598 | ||
599 | if [ ${value} -lt 0 ]; then | |
600 | log ERROR "The passed time value must be in the sum greater or equal zero seconds." | |
601 | return ${EXIT_ERROR} | |
602 | fi | |
603 | ||
604 | if ! ipsec_connection_write_config_key "${connection}" "DPD_DELAY" ${value}; then | |
605 | log ERROR "Could not write configuration settings" | |
606 | return ${EXIT_ERROR} | |
607 | fi | |
608 | ||
609 | return ${EXIT_OK} | |
610 | } | |
611 | ||
612 | # Set the dpd timeout | |
613 | ipsec_connection_dpd_timeout() { | |
614 | if [ ! $# -ge 2 ]; then | |
615 | log ERROR "Not enough arguments" | |
616 | return ${EXIT_ERROR} | |
617 | fi | |
618 | ||
619 | local connection=${1} | |
620 | shift 1 | |
621 | local value=$@ | |
622 | ||
623 | if ! isinteger value; then | |
2212045f | 624 | value=$(parse_time "$@") |
bb9fccaf JS |
625 | if [ ! $? -eq 0 ]; then |
626 | log ERROR "Parsing the passed time was not sucessful please check the passed values." | |
627 | return ${EXIT_ERROR} | |
628 | fi | |
629 | fi | |
630 | ||
631 | if [ ${value} -le 0 ]; then | |
632 | log ERROR "The passed time value must be in the sum greater or equal zero seconds." | |
633 | return ${EXIT_ERROR} | |
634 | fi | |
635 | ||
636 | if ! ipsec_connection_write_config_key "${connection}" "DPD_TIMEOUT" ${value}; then | |
637 | log ERROR "Could not write configuration settings" | |
638 | return ${EXIT_ERROR} | |
639 | fi | |
640 | ||
641 | return ${EXIT_OK} | |
642 | } | |
643 | ||
917a1aa0 JS |
644 | # Handle the cli after local |
645 | ipsec_connection_local() { | |
646 | if [ ! $# -ge 2 ]; then | |
647 | log ERROR "Not enough arguments" | |
648 | return ${EXIT_ERROR} | |
649 | fi | |
650 | ||
651 | local connection=${1} | |
652 | local cmd=${2} | |
653 | shift 2 | |
654 | ||
655 | case ${cmd} in | |
bb9fccaf | 656 | address) |
2212045f | 657 | ipsec_connection_local_address "${connection}" "$@" |
bb9fccaf | 658 | ;; |
917a1aa0 | 659 | id) |
2212045f | 660 | ipsec_connection_id "${connection}" "LOCAL" "$@" |
917a1aa0 JS |
661 | ;; |
662 | prefix) | |
2212045f | 663 | ipsec_connection_prefix "${connection}" "LOCAL" "$@" |
917a1aa0 JS |
664 | ;; |
665 | *) | |
666 | log ERROR "Unrecognized argument: ${cmd}" | |
667 | return ${EXIT_ERROR} | |
668 | ;; | |
669 | esac | |
670 | ||
671 | return ${EXIT_OK} | |
672 | } | |
673 | ||
674 | # Set the connection mode | |
675 | ipsec_connection_mode() { | |
5bdbc2ee | 676 | if [ ! $# -eq 2 ]; then |
917a1aa0 JS |
677 | log ERROR "Not enough arguments" |
678 | return ${EXIT_ERROR} | |
679 | fi | |
680 | local connection=${1} | |
681 | local mode=${2} | |
682 | ||
683 | if ! isoneof mode ${IPSEC_VALID_MODES}; then | |
684 | log ERROR "Mode '${mode}' is invalid" | |
685 | return ${EXIT_ERROR} | |
686 | fi | |
687 | ||
688 | if ! ipsec_connection_write_config_key "${connection}" "MODE" ${mode}; then | |
689 | log ERROR "Could not write configuration settings" | |
690 | return ${EXIT_ERROR} | |
691 | fi | |
692 | ||
693 | return ${EXIT_OK} | |
694 | } | |
695 | ||
bb9fccaf JS |
696 | # Set the local address |
697 | ipsec_connection_local_address() { | |
698 | if [ ! $# -eq 2 ]; then | |
699 | log ERROR "Not enough arguments" | |
700 | return ${EXIT_ERROR} | |
701 | fi | |
702 | local connection=${1} | |
703 | local local_address=${2} | |
704 | ||
705 | if ! ipsec_connection_check_peer ${local_address}; then | |
706 | log ERROR "Local address '${local_address}' is invalid" | |
707 | return ${EXIT_ERROR} | |
708 | fi | |
709 | ||
710 | if ! ipsec_connection_write_config_key "${connection}" "LOCAL_ADDRESS" ${local_address}; then | |
711 | log ERROR "Could not write configuration settings" | |
712 | return ${EXIT_ERROR} | |
713 | fi | |
714 | ||
715 | return ${EXIT_OK} | |
716 | } | |
717 | ||
917a1aa0 JS |
718 | # Set the peer to connect to |
719 | ipsec_connection_peer() { | |
0b962a64 | 720 | if [ ! $# -eq 2 ]; then |
917a1aa0 JS |
721 | log ERROR "Not enough arguments" |
722 | return ${EXIT_ERROR} | |
723 | fi | |
724 | local connection=${1} | |
725 | local peer=${2} | |
726 | ||
727 | if ! ipsec_connection_check_peer ${peer}; then | |
728 | log ERROR "Peer '${peer}' is invalid" | |
729 | return ${EXIT_ERROR} | |
730 | fi | |
731 | ||
732 | if ! ipsec_connection_write_config_key "${connection}" "PEER" ${peer}; then | |
733 | log ERROR "Could not write configuration settings" | |
734 | return ${EXIT_ERROR} | |
735 | fi | |
736 | ||
737 | return ${EXIT_OK} | |
738 | } | |
739 | ||
740 | #Set the local or remote id | |
741 | ipsec_connection_id() { | |
742 | if [ ! $# -eq 3 ]; then | |
743 | log ERROR "Not enough arguments" | |
744 | return ${EXIT_ERROR} | |
745 | fi | |
746 | local connection=${1} | |
747 | local type=${2} | |
748 | local id=${3} | |
749 | ||
750 | if ! ipsec_connection_check_id ${id}; then | |
751 | log ERROR "Id '${id}' is invalid" | |
752 | return ${EXIT_ERROR} | |
753 | fi | |
aaa72eef | 754 | |
917a1aa0 JS |
755 | if ! ipsec_connection_write_config_key "${connection}" "${type}_ID" ${id}; then |
756 | log ERROR "Could not write configuration settings" | |
757 | return ${EXIT_ERROR} | |
758 | fi | |
aaa72eef | 759 | |
917a1aa0 JS |
760 | return ${EXIT_OK} |
761 | } | |
762 | ||
aaa72eef | 763 | # Set the local or remote prefix |
917a1aa0 JS |
764 | ipsec_connection_prefix() { |
765 | if [ ! $# -ge 3 ]; then | |
766 | log ERROR "Not enough arguments" | |
767 | return ${EXIT_ERROR} | |
768 | fi | |
769 | local connection=${1} | |
770 | local type=${2} | |
771 | shift 2 | |
aaa72eef | 772 | |
917a1aa0 JS |
773 | local _prefix="${type}_PREFIX" |
774 | local "${_prefix}" | |
775 | if ! ipsec_connection_read_config "${connection}" "${_prefix}"; then | |
776 | return ${EXIT_ERROR} | |
777 | fi | |
778 | ||
779 | # Remove duplicated entries to proceed the list safely | |
780 | assign "${_prefix}" "$(list_unique ${!_prefix} )" | |
781 | ||
782 | local prefixes_added | |
783 | local prefixes_removed | |
784 | local prefixes_set | |
785 | ||
786 | while [ $# -gt 0 ]; do | |
787 | local arg="${1}" | |
788 | ||
789 | case "${arg}" in | |
790 | +*) | |
791 | list_append prefixes_added "${arg:1}" | |
792 | ;; | |
793 | -*) | |
794 | list_append prefixes_removed "${arg:1}" | |
795 | ;; | |
796 | [A-Fa-f0-9]*) | |
797 | list_append prefixes_set "${arg}" | |
798 | ;; | |
799 | *) | |
800 | error "Invalid argument: ${arg}" | |
801 | return ${EXIT_ERROR} | |
802 | ;; | |
803 | esac | |
804 | shift | |
805 | done | |
806 | ||
807 | # Check if the user is trying a mixed operation | |
808 | if ! list_is_empty prefixes_set && (! list_is_empty prefixes_added || ! list_is_empty prefixes_removed); then | |
809 | error "You cannot reset the prefix list and add or remove prefixes at the same time" | |
810 | return ${EXIT_ERROR} | |
811 | fi | |
812 | ||
813 | # Set new prefix list | |
814 | if ! list_is_empty prefixes_set; then | |
815 | # Check if all prefixes are valid | |
816 | local prefix | |
817 | for prefix in ${prefixes_set}; do | |
818 | if ! ip_net_is_valid ${prefix}; then | |
819 | error "Unsupported prefix: ${prefix}" | |
820 | return ${EXIT_ERROR} | |
821 | fi | |
822 | done | |
823 | ||
824 | assign "${_prefix}" "${prefixes_set}" | |
825 | ||
826 | # Perform incremental updates | |
827 | else | |
828 | local prefix | |
829 | ||
830 | # Perform all removals | |
831 | for prefix in ${prefixes_removed}; do | |
832 | if ! list_remove "${_prefix}" ${prefix}; then | |
833 | warning "${prefix} was not on the list and could not be removed" | |
834 | fi | |
835 | done | |
836 | ||
837 | ||
838 | for prefix in ${prefixes_added}; do | |
839 | if ip_net_is_valid ${prefix}; then | |
840 | if ! list_append_unique "${_prefix}" ${prefix}; then | |
841 | warning "${prefix} is already on the prefix list" | |
842 | fi | |
843 | else | |
f03f29b7 | 844 | warning "${prefix} is not a valid IP network and could not be added" |
917a1aa0 JS |
845 | fi |
846 | done | |
847 | fi | |
848 | ||
849 | # Check if the list contain at least one valid prefix | |
850 | if list_is_empty ${_prefix}; then | |
851 | error "Cannot save an empty prefix list" | |
852 | return ${EXIT_ERROR} | |
853 | fi | |
854 | ||
855 | # Save everything | |
856 | if ! ipsec_connection_write_config_key "${connection}" "${_prefix}" ${!_prefix}; then | |
857 | log ERROR "Could not write configuration settings" | |
858 | fi | |
859 | ||
860 | return ${EXIT_OK} | |
861 | } | |
862 | ||
96fdb077 JS |
863 | # Set the pools to use |
864 | ipsec_connection_pool() { | |
865 | if [ ! $# -ge 2 ]; then | |
866 | log ERROR "Not enough arguments" | |
867 | return ${EXIT_ERROR} | |
868 | fi | |
869 | local connection=${1} | |
870 | shift | |
871 | ||
872 | local POOLS | |
873 | if ! ipsec_connection_read_config "${connection}" "POOLS"; then | |
874 | return ${EXIT_ERROR} | |
875 | fi | |
876 | ||
877 | # Remove duplicated entries to proceed the list safely | |
878 | assign "POOLS" "$(list_unique ${POOLS})" | |
879 | ||
880 | local pools_added | |
881 | local pools_removed | |
882 | local pools_set | |
883 | ||
884 | while [ $# -gt 0 ]; do | |
885 | local arg="${1}" | |
886 | ||
887 | case "${arg}" in | |
888 | +*) | |
889 | list_append pools_added "${arg:1}" | |
890 | ;; | |
891 | -*) | |
892 | list_append pools_removed "${arg:1}" | |
893 | ;; | |
894 | [A-Za-z0-9]*) | |
895 | list_append pools_set "${arg}" | |
896 | ;; | |
897 | *) | |
898 | error "Invalid argument: ${arg}" | |
899 | return ${EXIT_ERROR} | |
900 | ;; | |
901 | esac | |
902 | shift | |
903 | done | |
904 | ||
905 | # Check if the user is trying a mixed operation | |
906 | if ! list_is_empty pools_set && (! list_is_empty pools_added || ! list_is_empty pools_removed); then | |
907 | error "You cannot reset the pools list and add or remove pools at the same time" | |
908 | return ${EXIT_ERROR} | |
909 | fi | |
910 | ||
911 | # Set new pools list | |
912 | if ! list_is_empty pools_set; then | |
913 | # Check if all pools are valid | |
914 | local pool | |
915 | for pool in ${pools_set}; do | |
916 | if ! ipsec_pool_exists ${pool} || ! ipsec_pool_check_config ${pool}; then | |
917 | error "Pool ${pool} is not valid" | |
918 | return ${EXIT_ERROR} | |
919 | fi | |
920 | done | |
921 | ||
922 | assign "POOLS" "${pools_set}" | |
923 | ||
924 | # Perform incremental updates | |
925 | else | |
926 | local pool | |
927 | ||
928 | # Perform all removals | |
929 | for pool in ${pools_removed}; do | |
930 | if ! list_remove "POOLS" ${pool}; then | |
931 | warning "${pool} was not on the list and could not be removed" | |
932 | fi | |
933 | done | |
934 | ||
935 | ||
936 | for pool in ${pools_added}; do | |
beb0ebbb | 937 | if ipsec_pool_exists ${pool} && ipsec_pool_check_config ${pool}; then |
96fdb077 JS |
938 | if ! list_append_unique "POOLS" ${pool}; then |
939 | warning "${pool} is already on the prefix list" | |
940 | fi | |
941 | else | |
942 | warning "${pool} is not a valid pool" | |
943 | fi | |
944 | done | |
945 | fi | |
946 | ||
947 | # Check if the list contain at least one valid pool | |
948 | if list_is_empty POOLS; then | |
949 | error "Cannot save an empty pool list" | |
950 | return ${EXIT_ERROR} | |
951 | fi | |
952 | ||
953 | # Save everything | |
954 | if ! ipsec_connection_write_config_key "${connection}" "POOLS" ${POOLS}; then | |
955 | log ERROR "Could not write configuration settings" | |
956 | fi | |
957 | ||
958 | return ${EXIT_OK} | |
959 | } | |
960 | ||
917a1aa0 JS |
961 | # Handle the cli after remote |
962 | ipsec_connection_remote() { | |
963 | if [ ! $# -ge 2 ]; then | |
964 | log ERROR "Not enough arguments" | |
965 | return ${EXIT_ERROR} | |
966 | fi | |
967 | ||
968 | local connection=${1} | |
969 | local cmd=${2} | |
970 | shift 2 | |
971 | ||
972 | case ${cmd} in | |
973 | id) | |
2212045f | 974 | ipsec_connection_id "${connection}" "REMOTE" "$@" |
917a1aa0 JS |
975 | ;; |
976 | ||
977 | prefix) | |
2212045f | 978 | ipsec_connection_prefix "${connection}" "REMOTE" "$@" |
917a1aa0 JS |
979 | ;; |
980 | *) | |
981 | log ERROR "Unrecognized argument: ${cmd}" | |
982 | return ${EXIT_ERROR} | |
983 | ;; | |
984 | esac | |
985 | ||
986 | return ${EXIT_OK} | |
987 | } | |
988 | ||
989 | # Set the inactivity timeout | |
990 | ipsec_connection_inactivity_timeout() { | |
991 | if [ ! $# -ge 2 ]; then | |
992 | log ERROR "Not enough arguments" | |
993 | return ${EXIT_ERROR} | |
994 | fi | |
995 | ||
996 | local connection=${1} | |
997 | shift 1 | |
998 | local value=$@ | |
999 | ||
1000 | if ! isinteger value; then | |
2212045f | 1001 | value=$(parse_time "$@") |
917a1aa0 JS |
1002 | if [ ! $? -eq 0 ]; then |
1003 | log ERROR "Parsing the passed time was not sucessful please check the passed values." | |
1004 | return ${EXIT_ERROR} | |
1005 | fi | |
1006 | fi | |
1007 | ||
1008 | if [ ${value} -le 0 ]; then | |
1009 | log ERROR "The passed time value must be in the sum greater zero seconds." | |
1010 | return ${EXIT_ERROR} | |
1011 | fi | |
1012 | ||
1013 | if ! ipsec_connection_write_config_key "${connection}" "INACTIVITY_TIMEOUT" ${value}; then | |
1014 | log ERROR "Could not write configuration settings" | |
1015 | return ${EXIT_ERROR} | |
1016 | fi | |
1017 | ||
1018 | return ${EXIT_OK} | |
1019 | } | |
1020 | ||
bb9fccaf JS |
1021 | # Set the default start action |
1022 | ipsec_connection_start_action() { | |
1023 | if [ ! $# -eq 2 ]; then | |
1024 | log ERROR "Not enough arguments" | |
1025 | return ${EXIT_ERROR} | |
1026 | fi | |
1027 | local connection=${1} | |
1028 | local action=${2} | |
1029 | ||
1030 | if ! isoneof action "on-demand" "always-on"; then | |
1031 | log ERROR "Start action '${action}' is invalid" | |
1032 | return ${EXIT_ERROR} | |
1033 | fi | |
1034 | ||
1035 | if ! ipsec_connection_write_config_key "${connection}" "START_ACTION" ${action}; then | |
1036 | log ERROR "Could not write configuration settings" | |
1037 | return ${EXIT_ERROR} | |
1038 | fi | |
1039 | } | |
917a1aa0 JS |
1040 | |
1041 | # Set the security policy to use | |
1042 | ipsec_connection_security_policy() { | |
1043 | if [ ! $# -eq 2 ]; then | |
1044 | log ERROR "Not enough arguments" | |
1045 | return ${EXIT_ERROR} | |
1046 | fi | |
1047 | local connection=${1} | |
1048 | local security_policy=${2} | |
1049 | ||
1050 | if ! vpn_security_policy_exists ${security_policy}; then | |
1051 | log ERROR "No such vpn security policy '${security_policy}'" | |
1052 | return ${EXIT_ERROR} | |
1053 | fi | |
1054 | ||
1055 | if ! ipsec_connection_write_config_key "${connection}" "SECURITY_POLICY" ${security_policy}; then | |
1056 | log ERROR "Could not write configuration settings" | |
1057 | return ${EXIT_ERROR} | |
1058 | fi | |
1059 | } | |
1060 | ||
1061 | # Check if a id is valid | |
1062 | ipsec_connection_check_id() { | |
1063 | assert [ $# -eq 1 ] | |
1064 | local id=${1} | |
1065 | ||
1066 | if [[ ${id} =~ ^@[[:alnum:]]+$ ]] || ip_is_valid ${id}; then | |
1067 | return ${EXIT_TRUE} | |
1068 | else | |
1069 | return ${EXIT_FALSE} | |
1070 | fi | |
1071 | } | |
1072 | ||
1073 | # Checks if a peer is valid | |
1074 | ipsec_connection_check_peer() { | |
1075 | assert [ $# -eq 1 ] | |
1076 | local peer=${1} | |
1077 | ||
1078 | # TODO Accept also FQDNs | |
1079 | if ip_is_valid ${peer}; then | |
1080 | return ${EXIT_TRUE} | |
1081 | else | |
1082 | return ${EXIT_FALSE} | |
1083 | fi | |
1084 | } | |
1085 | ||
1086 | # This function checks if a VPN IPsec connection name is valid | |
1087 | # Allowed are only A-Za-z0-9 | |
1088 | ipsec_connection_check_name() { | |
1089 | assert [ $# -eq 1 ] | |
1090 | ||
1091 | local connection=${1} | |
1092 | ||
1093 | [[ "${connection}" =~ [^[:alnum:]$] ]] | |
1094 | } | |
1095 | ||
1096 | # Function that creates one VPN IPsec connection | |
1097 | ipsec_connection_new() { | |
89d71d08 | 1098 | if [ $# -gt 2 ]; then |
917a1aa0 JS |
1099 | error "Too many arguments" |
1100 | return ${EXIT_ERROR} | |
1101 | fi | |
1102 | ||
1103 | local connection="${1}" | |
89d71d08 JS |
1104 | local type="${2}" |
1105 | ||
917a1aa0 JS |
1106 | if ! isset connection; then |
1107 | error "Please provide a connection name" | |
1108 | return ${EXIT_ERROR} | |
1109 | fi | |
1110 | ||
1111 | # Check for duplicates | |
1112 | if ipsec_connection_exists "${connection}"; then | |
1113 | error "The VPN IPsec connection ${connection} already exists" | |
1114 | return ${EXIT_ERROR} | |
1115 | fi | |
1116 | ||
1117 | # Check if the name of the connection is valid | |
1118 | if ipsec_connection_check_name "${connection}"; then | |
1119 | error "'${connection}' contains illegal characters" | |
1120 | return ${EXIT_ERROR} | |
1121 | fi | |
1122 | ||
89d71d08 JS |
1123 | # Set TYPE to default if not set by the user |
1124 | if ! isset type; then | |
1125 | type="${IPSEC_DEFAULT_TYPE}" | |
1126 | fi | |
1127 | ||
1128 | if ! isoneof "type" "net-to-net" "host-to-net"; then | |
1129 | error "Type is invalid" | |
1130 | return ${EXIT_ERROR} | |
1131 | fi | |
1132 | ||
917a1aa0 JS |
1133 | log DEBUG "Creating VPN IPsec connection ${connection}" |
1134 | ||
cf8685a1 | 1135 | if ! mkdir -p "${NETWORK_IPSEC_CONNS_DIR}/${connection}"; then |
917a1aa0 JS |
1136 | log ERROR "Could not create config directory for ${connection}" |
1137 | return ${EXIT_ERROR} | |
1138 | fi | |
1139 | ||
1140 | local ${IPSEC_CONNECTION_CONFIG_SETTINGS} | |
1141 | ||
917a1aa0 | 1142 | AUTH_MODE=${IPSEC_DEFAULT_AUTH_MODE} |
bb9fccaf JS |
1143 | DPD_ACTION=${IPSEC_DEFAULT_DPD_ACTION} |
1144 | DPD_DELAY=${IPSEC_DEFAULT_DPD_DELAY} | |
1145 | DPD_TIMEOUT=${IPSEC_DEFAULT_DPD_TIMEOUT} | |
5601f4f5 | 1146 | ENABLED=${IPSEC_DEFAULT_ENABLED} |
bb9fccaf JS |
1147 | MODE=${IPSEC_DEFAULT_MODE} |
1148 | START_ACTION=${IPSEC_DEFAULT_START_ACTION} | |
89d71d08 | 1149 | TYPE="${type}" |
bb9fccaf | 1150 | |
917a1aa0 JS |
1151 | INACTIVITY_TIMEOUT=${IPSEC_DEFAULT_INACTIVITY_TIMEOUT} |
1152 | SECURITY_POLICY=${IPSEC_DEFAULT_SECURITY_POLICY} | |
1153 | ||
1154 | if ! ipsec_connection_write_config "${connection}"; then | |
1155 | log ERROR "Could not write new config file" | |
1156 | return ${EXIT_ERROR} | |
1157 | fi | |
c3f31173 MT |
1158 | |
1159 | # Configure strongswan autostart | |
1160 | ipsec_strongswan_autostart | |
917a1aa0 JS |
1161 | } |
1162 | ||
1163 | # Function that deletes based on the passed parameters one ore more vpn security policies | |
1164 | ipsec_connection_destroy() { | |
1165 | local connection | |
2212045f | 1166 | for connection in "$@"; do |
917a1aa0 JS |
1167 | if ! ipsec_connection_exists "${connection}"; then |
1168 | log ERROR "The VPN IPsec connection ${connection} does not exist." | |
1169 | continue | |
1170 | fi | |
1171 | ||
1172 | log DEBUG "Deleting VPN IPsec connection ${connection}" | |
fa33d830 MT |
1173 | |
1174 | # Delete strongswan configuration file | |
1175 | file_delete "${NETWORK_IPSEC_SWANCTL_CONNECTIONS_DIR}/${connection}.conf" | |
1176 | ||
cf8685a1 | 1177 | if ! rm -rf "${NETWORK_IPSEC_CONNS_DIR}/${connection}"; then |
917a1aa0 JS |
1178 | log ERROR "Deleting the VPN IPsec connection ${connection} was not sucessful" |
1179 | return ${EXIT_ERROR} | |
1180 | fi | |
c3f31173 | 1181 | |
fa33d830 | 1182 | done |
917a1aa0 | 1183 | } |
d6c852b8 JS |
1184 | |
1185 | # List all ipsec connections | |
1186 | ipsec_list_connections() { | |
1187 | local connection | |
1188 | for connection in ${NETWORK_IPSEC_CONNS_DIR}/*; do | |
1189 | [ -d ${connection} ] || continue | |
1190 | basename ${connection} | |
1191 | done | |
1192 | } | |
67baa452 MT |
1193 | |
1194 | ipsec_connection_to_strongswan() { | |
1195 | local connection="${1}" | |
aaa72eef | 1196 | log DEBUG "Generating IPsec configuration for ${connection}" |
67baa452 MT |
1197 | |
1198 | # Read the config settings | |
1199 | local ${IPSEC_CONNECTION_CONFIG_SETTINGS} | |
1200 | if ! ipsec_connection_read_config "${connection}"; then | |
1201 | error "Could not read the connection ${connection}" | |
1202 | return ${EXIT_ERROR} | |
1203 | fi | |
1204 | ||
1205 | local path="${NETWORK_IPSEC_SWANCTL_CONNECTIONS_DIR}/${connection}.conf" | |
1206 | ||
1207 | ( | |
1208 | # Write the connection section | |
1209 | _ipsec_connection_to_strongswan_connection "${connection}" | |
1210 | ||
1211 | # Write the secrets section | |
1212 | _ipsec_connection_to_strongswan_secrets "${connection}" | |
1213 | ||
1214 | ) > ${path} | |
1215 | } | |
1216 | ||
1217 | _ipsec_connection_to_strongswan_connection() { | |
1218 | local connection="${1}" | |
1219 | ||
1220 | # Read the security policy | |
1221 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
1222 | if ! vpn_security_policies_read_config "${SECURITY_POLICY}"; then | |
1223 | return ${EXIT_ERROR} | |
1224 | fi | |
1225 | ||
4e271faa MT |
1226 | # Is DPD enabled? |
1227 | local dpd="false" | |
1228 | if isset DPD_DELAY && isinteger DPD_DELAY && [ ${DPD_DELAY} -gt 0 ]; then | |
1229 | dpd="true" | |
1230 | fi | |
1231 | ||
b21fb175 MT |
1232 | # Write configuration header |
1233 | config_header "strongSwan configuration for ${connection}" | |
1234 | ||
67baa452 MT |
1235 | print_indent 0 "connections {" |
1236 | print_indent 1 "${connection} {" | |
1237 | ||
1238 | # IKE Version | |
1239 | print_indent 2 "# IKE Version" | |
1240 | case "${KEY_EXCHANGE^^}" in | |
1241 | IKEV1) | |
1242 | print_indent 2 "version = 1" | |
1243 | ;; | |
1244 | ||
1245 | # Fall back to IKEv2 for any random values | |
1246 | IKEV2|*) | |
1247 | print_indent 2 "version = 2" | |
1248 | ;; | |
1249 | esac | |
1250 | print # empty line | |
1251 | ||
4609d6b4 MT |
1252 | # Always only keep one connection open at a time |
1253 | print_indent 2 "# Unique IDs" | |
1254 | print_indent 2 "unique = replace" | |
1255 | ||
1256 | ||
3e8ad776 MT |
1257 | # Local Address |
1258 | print_indent 2 "# Local Address" | |
1259 | if isset LOCAL_ADDRESS; then | |
1260 | print_indent 2 "local_addrs = ${LOCAL_ADDRESS}" | |
1261 | else | |
1262 | print_indent 2 "local_addrs = %any" | |
1263 | fi | |
1264 | ||
67baa452 MT |
1265 | |
1266 | # Remote Address | |
1267 | print_indent 2 "# Remote Address" | |
1268 | if isset PEER; then | |
1269 | print_indent 2 "remote_addrs = ${PEER}" | |
1270 | else | |
1271 | print_indent 2 "remote_addrs = %any" | |
1272 | fi | |
1273 | ||
1274 | ||
1275 | # IKE Proposals | |
1276 | print_indent 2 "# IKE Proposals" | |
e3ffacf7 | 1277 | print_indent 2 "proposals = $(vpn_security_policies_make_ike_proposal ${SECURITY_POLICY})" |
67baa452 MT |
1278 | |
1279 | ||
117278c3 | 1280 | # DPD Settings |
4e271faa | 1281 | if enabled dpd; then |
117278c3 | 1282 | print_indent 2 "# Dead Peer Detection" |
117278c3 MT |
1283 | print_indent 2 "dpd_delay = ${DPD_DELAY}" |
1284 | ||
1285 | if isset DPD_TIMEOUT; then | |
1286 | print_indent 2 "dpd_timeout = ${DPD_TIMEOUT}" | |
1287 | fi | |
1288 | ||
1289 | ||
1290 | fi | |
67baa452 MT |
1291 | |
1292 | # Fragmentation | |
1293 | print_indent 2 "# Fragmentation" | |
1294 | print_indent 2 "fragmentation = yes" | |
1295 | ||
1296 | ||
dd66c192 MT |
1297 | |
1298 | # Host-to-Net specific settings | |
1299 | case "${TYPE}" in | |
1300 | host-to-net) | |
1301 | # Pools | |
1302 | if isset POOLS; then | |
1303 | print_indent 2 "# Pools" | |
1304 | print_indent 2 "pools = $(list_join POOLS ", ")" | |
1305 | ||
1306 | fi | |
1307 | ;; | |
1308 | esac | |
96fdb077 | 1309 | |
67baa452 MT |
1310 | # Local |
1311 | print_indent 2 "local {" | |
1312 | ||
1313 | # Local ID | |
1314 | if isset LOCAL_ID; then | |
1315 | print_indent 3 "id = ${LOCAL_ID}" | |
1316 | fi | |
1317 | ||
1318 | # Authentication | |
1319 | case "${AUTH_MODE}" in | |
1320 | PSK) | |
1321 | print_indent 3 "auth = psk" | |
1322 | ;; | |
1323 | esac | |
1324 | ||
1325 | print_indent 2 "}" | |
1326 | ||
1327 | ||
1328 | # Remote | |
1329 | print_indent 2 "remote {" | |
1330 | ||
1331 | # Remote ID | |
1332 | if isset REMOTE_ID; then | |
1333 | print_indent 3 "id = ${REMOTE_ID}" | |
1334 | fi | |
1335 | ||
1336 | # Authentication | |
1337 | case "${AUTH_MODE}" in | |
1338 | PSK) | |
1339 | print_indent 3 "auth = psk" | |
1340 | ;; | |
1341 | esac | |
1342 | ||
1343 | print_indent 2 "}" | |
1344 | ||
1345 | ||
1346 | # Children | |
1347 | ||
1348 | print_indent 2 "children {" | |
1349 | print_indent 3 "${connection} {" | |
1350 | ||
1351 | print_indent 4 "# ESP Proposals" | |
e3d8f3f6 | 1352 | print_indent 4 "esp_proposals = $(vpn_security_policies_make_esp_proposal ${SECURITY_POLICY})" |
67baa452 MT |
1353 | |
1354 | ||
1355 | # Traffic Selectors | |
1356 | ||
95835d23 MT |
1357 | case "${MODE}" in |
1358 | gre-*) | |
1359 | print_indent 4 "local_ts = dynamic[gre]" | |
1360 | print_indent 4 "remote_ts = dynamic[gre]" | |
1361 | ;; | |
1362 | *) | |
1363 | # Local Prefixes | |
1364 | if isset LOCAL_PREFIX; then | |
1365 | print_indent 4 "local_ts = $(list_join LOCAL_PREFIX ,)" | |
1366 | else | |
1367 | print_indent 4 "local_ts = dynamic" | |
1368 | fi | |
67baa452 | 1369 | |
95835d23 MT |
1370 | # Remote Prefixes |
1371 | if isset REMOTE_PREFIX; then | |
1372 | print_indent 4 "remote_ts = $(list_join REMOTE_PREFIX ,)" | |
1373 | else | |
1374 | print_indent 4 "remote_ts = dynamic" | |
1375 | fi | |
1376 | ;; | |
1377 | esac | |
67baa452 MT |
1378 | |
1379 | ||
82fac748 | 1380 | # Netfilter Marks |
8af22236 MT |
1381 | case "${MODE}" in |
1382 | vti) | |
1383 | print_indent 4 "# Netfilter Marks" | |
1384 | print_indent 4 "mark_in = %unique" | |
1385 | print_indent 4 "mark_out = %unique" | |
1386 | ||
1387 | ;; | |
1388 | esac | |
82fac748 | 1389 | |
4e271faa MT |
1390 | # Dead Peer Detection |
1391 | if enabled dpd; then | |
1392 | print_indent 4 "# Dead Peer Detection" | |
1393 | print_indent 4 "dpd_action = ${DPD_ACTION}" | |
1394 | ||
1395 | fi | |
1396 | ||
67baa452 MT |
1397 | # Rekeying |
1398 | if isset LIFETIME; then | |
1399 | print_indent 4 "# Rekey Time" | |
1400 | print_indent 4 "rekey_time = ${LIFETIME}" | |
1401 | ||
1402 | fi | |
1403 | ||
1404 | # Updown Script | |
1405 | print_indent 4 "updown = ${NETWORK_HELPERS_DIR}/ipsec-updown" | |
1406 | ||
1407 | ||
1408 | # Mode | |
1409 | print_indent 4 "# Mode" | |
1410 | case "${MODE}" in | |
1411 | gre-transport) | |
1412 | print_indent 4 "mode = transport" | |
1413 | ;; | |
1414 | tunnel|vti|*) | |
1415 | print_indent 4 "mode = tunnel" | |
1416 | ;; | |
1417 | esac | |
1418 | ||
1419 | ||
1420 | # Compression | |
1421 | print_indent 4 "# Compression" | |
1422 | if enabled COMPRESSION; then | |
1423 | print_indent 4 "ipcomp = yes" | |
1424 | else | |
1425 | print_indent 4 "ipcomp = no" | |
1426 | fi | |
1427 | ||
1428 | ||
1429 | # Inactivity Timeout | |
1430 | if isset INACTIVITY_TIMEOUT; then | |
1431 | print_indent 4 "# Inactivity Timeout" | |
1432 | print_indent 4 "inactivity = ${INACTIVITY_TIMEOUT}" | |
1433 | ||
1434 | fi | |
1435 | ||
dd66c192 MT |
1436 | # Net-to-Net specific settings |
1437 | case "${TYPE}" in | |
1438 | net-to-net) | |
1439 | # Start Action | |
1440 | print_indent 4 "# Start Action" | |
1441 | case "${START_ACTION}" in | |
1442 | on-demand) | |
1443 | print_indent 4 "start_action = trap" | |
1444 | print_indent 4 "close_action = trap" | |
1445 | ;; | |
1446 | wait) | |
1447 | print_indent 4 "start_action = none" | |
1448 | print_indent 4 "close_action = none" | |
1449 | ;; | |
1450 | always-on|*) | |
1451 | print_indent 4 "start_action = start" | |
1452 | print_indent 4 "close_action = start" | |
1453 | ;; | |
1454 | esac | |
1455 | ||
37317b3e MT |
1456 | ;; |
1457 | esac | |
67baa452 MT |
1458 | |
1459 | print_indent 3 "}" | |
1460 | print_indent 2 "}" | |
1461 | ||
1462 | ||
1463 | print_indent 1 "}" | |
1464 | print_indent 0 "}" | |
1465 | ||
1466 | } | |
1467 | ||
1468 | _ipsec_connection_to_strongswan_secrets() { | |
1469 | local connection="${1}" | |
1470 | ||
1471 | print_indent 0 "secrets {" | |
1472 | ||
1473 | case "${AUTH_MODE}" in | |
1474 | PSK) | |
1475 | print_indent 1 "ike {" | |
1476 | ||
1477 | # Secret | |
1478 | print_indent 2 "secret = ${PSK}" | |
1479 | ||
1480 | # ID | |
1481 | if isset REMOTE_ID; then | |
1482 | print_indent 2 "id = ${REMOTE_ID}" | |
1483 | fi | |
1484 | ||
1485 | print_indent 1 "}" | |
1486 | ;; | |
1487 | esac | |
1488 | ||
1489 | print_indent 0 "}" | |
1490 | } |