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3eae7bed 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 | ||
22 | VPN_SECURITY_POLICIES_CONFIG_SETTINGS="CIPHER COMPRESSION GROUP_TYPE INTEGRITY KEY_EXCHANGE LIFETIME PFS" | |
878cfa3e | 23 | VPN_SECURITY_POLICIES_READONLY="system performance" |
3eae7bed | 24 | |
6fdbda80 MT |
25 | VPN_DEFAULT_SECURITY_POLICY="system" |
26 | ||
b116ad92 | 27 | declare -A VPN_SUPPORTED_CIPHERS=( |
b68fed1f MT |
28 | # 3DES-CBC |
29 | [3DES-CBC]="168 bit 3DES-EDE-CBC" | |
30 | ||
31 | # AES-CBC | |
b116ad92 MT |
32 | [AES256-CBC]="256 bit AES-CBC" |
33 | [AES192-CBC]="192 bit AES-CBC" | |
34 | [AES128-CBC]="128 bit AES-CBC" | |
b68fed1f MT |
35 | |
36 | # AES-CTR | |
37 | [AES256-CTR]="256 bit AES-COUNTER" | |
38 | [AES192-CTR]="192 bit AES-COUNTER" | |
39 | [AES128-CTR]="128 bit AES-COUNTER" | |
40 | ||
41 | # AES-GCM | |
42 | [AES256-GCM128]="256 bit AES-GCM with 128 bit ICV" | |
43 | [AES192-GCM128]="192 bit AES-GCM with 128 bit ICV" | |
44 | [AES128-GCM128]="128 bit AES-GCM with 128 bit ICV" | |
45 | [AES256-GCM96]="256 bit AES-GCM with 96 bit ICV" | |
46 | [AES192-GCM96]="192 bit AES-GCM with 96 bit ICV" | |
47 | [AES128-GCM96]="128 bit AES-GCM with 96 bit ICV" | |
48 | [AES256-GCM64]="256 bit AES-GCM with 64 bit ICV" | |
49 | [AES192-GCM64]="192 bit AES-GCM with 64 bit ICV" | |
50 | [AES128-GCM64]="128 bit AES-GCM with 64 bit ICV" | |
51 | ||
52 | # AES-CCM | |
53 | [AES256-CCM128]="256 bit AES-CCM with 128 bit ICV" | |
54 | [AES192-CCM128]="192 bit AES-CCM with 128 bit ICV" | |
55 | [AES128-CCM128]="128 bit AES-CCM with 128 bit ICV" | |
56 | [AES256-CCM96]="256 bit AES-CCM with 96 bit ICV" | |
57 | [AES192-CCM96]="192 bit AES-CCM with 96 bit ICV" | |
58 | [AES128-CCM96]="128 bit AES-CCM with 96 bit ICV" | |
59 | [AES256-CCM64]="256 bit AES-CCM with 64 bit ICV" | |
60 | [AES192-CCM64]="192 bit AES-CCM with 64 bit ICV" | |
61 | [AES128-CCM64]="128 bit AES-CCM with 64 bit ICV" | |
62 | ||
63 | # CAMELLIA-CBC | |
64 | [CAMELLIA256-CBC]="256 bit CAMELLIA-CBC" | |
65 | [CAMELLIA192-CBC]="192 bit CAMELLIA-CBC" | |
66 | [CAMELLIA128-CBC]="128 bit CAMELLIA-CBC" | |
67 | ||
68 | # CAMELLIA-CTR | |
69 | [CAMELLIA256-CTR]="256 bit CAMELLIA-COUNTER" | |
70 | [CAMELLIA192-CTR]="192 bit CAMELLIA-COUNTER" | |
71 | [CAMELLIA128-CTR]="128 bit CAMELLIA-COUNTER" | |
72 | ||
73 | # CAMELLIA-GCM | |
74 | [CAMELLIA256-GCM128]="256 bit CAMELLIA-GCM with 128 bit ICV" | |
75 | [CAMELLIA192-GCM128]="192 bit CAMELLIA-GCM with 128 bit ICV" | |
76 | [CAMELLIA128-GCM128]="128 bit CAMELLIA-GCM with 128 bit ICV" | |
77 | [CAMELLIA256-GCM96]="256 bit CAMELLIA-GCM with 96 bit ICV" | |
78 | [CAMELLIA192-GCM96]="192 bit CAMELLIA-GCM with 96 bit ICV" | |
79 | [CAMELLIA128-GCM96]="128 bit CAMELLIA-GCM with 96 bit ICV" | |
80 | [CAMELLIA256-GCM64]="256 bit CAMELLIA-GCM with 64 bit ICV" | |
81 | [CAMELLIA192-GCM64]="192 bit CAMELLIA-GCM with 64 bit ICV" | |
82 | [CAMELLIA128-GCM64]="128 bit CAMELLIA-GCM with 64 bit ICV" | |
83 | ||
84 | # CAMELLIA-CCM | |
85 | [CAMELLIA256-CCM128]="256 bit CAMELLIA-CCM with 128 bit ICV" | |
86 | [CAMELLIA192-CCM128]="192 bit CAMELLIA-CCM with 128 bit ICV" | |
87 | [CAMELLIA128-CCM128]="128 bit CAMELLIA-CCM with 128 bit ICV" | |
88 | [CAMELLIA256-CCM96]="256 bit CAMELLIA-CCM with 96 bit ICV" | |
89 | [CAMELLIA192-CCM96]="192 bit CAMELLIA-CCM with 96 bit ICV" | |
90 | [CAMELLIA128-CCM96]="128 bit CAMELLIA-CCM with 96 bit ICV" | |
91 | [CAMELLIA256-CCM64]="256 bit CAMELLIA-CCM with 64 bit ICV" | |
92 | [CAMELLIA192-CCM64]="192 bit CAMELLIA-CCM with 64 bit ICV" | |
93 | [CAMELLIA128-CCM64]="128 bit CAMELLIA-CCM with 64 bit ICV" | |
b116ad92 MT |
94 | ) |
95 | ||
d69af00f MT |
96 | declare -A CIPHER_TO_STRONGSWAN=( |
97 | # 3DES-CBC | |
98 | [3DES-CBC]="3des" | |
99 | ||
100 | # AES-CBC | |
101 | [AES256-CBC]="aes256" | |
102 | [AES192-CBC]="aes192" | |
103 | [AES128-CBC]="aes128" | |
104 | ||
105 | # AES-CTR | |
106 | [AES256-CTR]="aes256ctr" | |
107 | [AES192-CTR]="aes192ctr" | |
108 | [AES128-CTR]="aes128ctr" | |
109 | ||
110 | # AES-GCM | |
111 | [AES256-GCM128]="aes256gcm128" | |
112 | [AES192-GCM128]="aes192gcm128" | |
113 | [AES128-GCM128]="aes128gcm128" | |
114 | [AES256-GCM96]="aes256gcm96" | |
115 | [AES192-GCM96]="aes192gcm96" | |
116 | [AES128-GCM96]="aes128gcm96" | |
117 | [AES256-GCM64]="aes256gcm64" | |
118 | [AES192-GCM64]="aes192gcm64" | |
119 | [AES128-GCM64]="aes128gcm64" | |
120 | ||
121 | # AES-CCM | |
122 | [AES256-CCM128]="aes256ccm128" | |
123 | [AES192-CCM128]="aes192ccm128" | |
124 | [AES128-CCM128]="aes128ccm128" | |
125 | [AES256-CCM96]="aes256ccm96" | |
126 | [AES192-CCM96]="aes192ccm96" | |
127 | [AES128-CCM96]="aes128ccm96" | |
128 | [AES256-CCM64]="aes256ccm64" | |
129 | [AES192-CCM64]="aes192ccm64" | |
130 | [AES128-CCM64]="aes128ccm64" | |
131 | ||
132 | # CAMELLIA-CBC | |
133 | [CAMELLIA256-CBC]="camellia256" | |
134 | [CAMELLIA192-CBC]="camellia192" | |
135 | [CAMELLIA128-CBC]="camellia128" | |
136 | ||
137 | # CAMELLIA-CTR | |
138 | [CAMELLIA256-CTR]="camellia256ctr" | |
139 | [CAMELLIA192-CTR]="camellia192ctr" | |
140 | [CAMELLIA128-CTR]="camellia128ctr" | |
141 | ||
142 | # CAMELLIA-GCM | |
143 | [CAMELLIA256-GCM128]="camellia256gcm128" | |
144 | [CAMELLIA192-GCM128]="camellia192gcm128" | |
145 | [CAMELLIA128-GCM128]="camellia128gcm128" | |
146 | [CAMELLIA256-GCM96]="camellia256gcm96" | |
147 | [CAMELLIA192-GCM96]="camellia192gcm96" | |
148 | [CAMELLIA128-GCM96]="camellia128gcm96" | |
149 | [CAMELLIA256-GCM64]="camellia256gcm64" | |
150 | [CAMELLIA192-GCM64]="camellia192gcm64" | |
151 | [CAMELLIA128-GCM64]="camellia128gcm64" | |
152 | ||
153 | # CAMELLIA-CCM | |
154 | [CAMELLIA256-CCM128]="camellia256ccm128" | |
155 | [CAMELLIA192-CCM128]="camellia192ccm128" | |
156 | [CAMELLIA128-CCM128]="camellia128ccm128" | |
157 | [CAMELLIA256-CCM96]="camellia256ccm96" | |
158 | [CAMELLIA192-CCM96]="camellia192ccm96" | |
159 | [CAMELLIA128-CCM96]="camellia128ccm96" | |
160 | [CAMELLIA256-CCM64]="camellia256ccm64" | |
161 | [CAMELLIA192-CCM64]="camellia192ccm64" | |
162 | [CAMELLIA128-CCM64]="camellia128ccm64" | |
163 | ) | |
164 | ||
3a0c376c MT |
165 | declare -A VPN_SUPPORTED_INTEGRITY=( |
166 | [MD5]="MD5-HMAC" | |
167 | ||
168 | # SHA | |
169 | [SHA1]="SHA1-HMAC" | |
3003747b | 170 | [SHA512]="512 bit SHA2-HMAC" |
3a0c376c MT |
171 | [SHA384]="384 bit SHA2-HMAC" |
172 | [SHA256]="256 bit SHA2-HMAC" | |
173 | ||
174 | # AES | |
175 | [AES-XCBC]="AES-XCBC" | |
176 | [AES-CMAC]="AES-CMAC" | |
177 | [AES256-GMAC]="256 bit AES-GMAC" | |
178 | [AES192-GMAC]="192 bit AES-GMAC" | |
179 | [AES128-GMAC]="128 bit AES-GMAC" | |
180 | ) | |
181 | ||
d69af00f MT |
182 | declare -A INTEGRITY_TO_STRONGSWAN=( |
183 | [MD5]="md5" | |
184 | ||
185 | # SHA | |
186 | [SHA1]="sha1" | |
187 | [SHA512]="sha512" | |
188 | [SHA384]="sha384" | |
189 | [SHA256]="sha256" | |
190 | ||
191 | # AES | |
192 | [AES-XCBC]="aesxcbc" | |
193 | [AES-CMAC]="aescmac" | |
194 | [AES256-GMAC]="aes256gmac" | |
195 | [AES192-GMAC]="aes192gmac" | |
196 | [AES128-GMAC]="aes128gmac" | |
197 | ) | |
198 | ||
54fc6c3f MT |
199 | declare -A VPN_SUPPORTED_GROUP_TYPES=( |
200 | # Regular Groups | |
201 | [MODP768]="768 bit Modulo Prime Group" | |
202 | [MODP1024]="1024 bit Modulo Prime Group" | |
203 | [MODP1536]="1536 bit Modulo Prime Group" | |
204 | [MODP2048]="2048 bit Modulo Prime Group" | |
205 | [MODP3072]="3072 bit Modulo Prime Group" | |
206 | [MODP4096]="4096 bit Modulo Prime Group" | |
207 | [MODP6144]="6144 bit Modulo Prime Group" | |
208 | [MODP8192]="8192 bit Modulo Prime Group" | |
209 | ||
210 | # NIST Elliptic Curve Groups | |
211 | [ECP192]="192 bit NIST Elliptic Curve Group" | |
212 | [ECP224]="224 bit NIST Elliptic Curve Group" | |
213 | [ECP256]="256 bit NIST Elliptic Curve Group" | |
214 | [ECP384]="384 bit NIST Elliptic Curve Group" | |
215 | [ECP521]="521 bit NIST Elliptic Curve Group" | |
216 | ||
217 | # Brainpool Elliptic Curve Groups | |
218 | [ECP224BP]="224 bit Brainpool Elliptic Curve Group" | |
219 | [ECP256BP]="256 bit Brainpool Elliptic Curve Group" | |
220 | [ECP384BP]="384 bit Brainpool Elliptic Curve Group" | |
221 | [ECP512BP]="512 bit Brainpool Elliptic Curve Group" | |
222 | ||
223 | # Curve25519 | |
224 | [CURVE25519]="256 bit Elliptic Curve 25519" | |
225 | ) | |
3eae7bed | 226 | |
d69af00f MT |
227 | declare -A GROUP_TYPE_TO_STRONGSWAN=( |
228 | # Regular Groups | |
229 | [MODP768]="modp768" | |
230 | [MODP1024]="modp1024" | |
231 | [MODP1536]="modp1536" | |
232 | [MODP2048]="modp2048" | |
233 | [MODP3072]="modp3072" | |
234 | [MODP4096]="modp4096" | |
235 | [MODP6144]="modp6144" | |
236 | [MODP8192]="modp8192" | |
237 | ||
238 | # NIST Elliptic Curve Groups | |
239 | [ECP192]="ecp192" | |
240 | [ECP224]="ecp224" | |
241 | [ECP256]="ecp256" | |
242 | [ECP384]="ecp384" | |
243 | [ECP521]="ecp521" | |
244 | ||
245 | # Brainpool Elliptic Curve Groups | |
246 | [ECP224BP]="ecp224bp" | |
247 | [ECP256BP]="ecp256bp" | |
248 | [ECP384BP]="ecp384bp" | |
249 | [ECP512BP]="ecp512bp" | |
250 | ||
251 | # Curve25519 | |
252 | [CURVE25519]="curve25519" | |
253 | ) | |
254 | ||
2da98f56 MT |
255 | cli_vpn_security_policies() { |
256 | local action | |
257 | local security_policy | |
258 | ||
259 | if vpn_security_policy_exists ${1}; then | |
260 | security_policy=${1} | |
261 | key=${2} | |
262 | shift 2 | |
263 | ||
264 | case "${key}" in | |
265 | cipher|compression|integrity|lifetime|pfs|show) | |
266 | vpn_security_policies_${key} ${security_policy} $@ | |
267 | ;; | |
268 | group-type) | |
269 | vpn_security_policies_group_type ${security_policy} $@ | |
270 | ;; | |
271 | key-exchange) | |
272 | vpn_security_policies_key_exchange ${security_policy} $@ | |
273 | ;; | |
274 | *) | |
275 | error "Unrecognized argument: ${key}" | |
276 | exit ${EXIT_ERROR} | |
277 | ;; | |
278 | esac | |
279 | else | |
280 | action=${1} | |
281 | shift | |
282 | ||
283 | case "${action}" in | |
284 | new) | |
285 | vpn_security_policies_new $@ | |
286 | ;; | |
287 | destroy) | |
288 | vpn_security_policies_destroy $@ | |
289 | ;; | |
290 | ""|*) | |
291 | if [ -n "${action}" ]; then | |
292 | error "Unrecognized argument: '${action}'" | |
293 | fi | |
294 | exit ${EXIT_ERROR} | |
295 | ;; | |
296 | esac | |
297 | fi | |
298 | } | |
299 | ||
6740c9c5 MT |
300 | # This functions checks if a policy is readonly |
301 | # returns true when yes and false when no | |
3eae7bed | 302 | vpn_security_policies_check_readonly() { |
3eae7bed JS |
303 | if isoneof name ${VPN_SECURITY_POLICIES_READONLY}; then |
304 | return ${EXIT_TRUE} | |
305 | else | |
306 | return ${EXIT_FALSE} | |
307 | fi | |
308 | } | |
309 | ||
6740c9c5 | 310 | # This function writes all values to a via ${name} specificated vpn security policy configuration file |
3eae7bed | 311 | vpn_security_policies_write_config() { |
3eae7bed JS |
312 | assert [ $# -ge 1 ] |
313 | ||
314 | local name="${1}" | |
315 | ||
6740c9c5 | 316 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
317 | log ERROR "No such vpn security policy: ${name}" |
318 | return ${EXIT_ERROR} | |
319 | fi | |
320 | ||
6740c9c5 | 321 | if vpn_security_policies_check_readonly "${name}"; then |
3eae7bed JS |
322 | log ERROR "The ${name} vpn security policy cannot be changed." |
323 | return ${EXIT_ERROR} | |
324 | fi | |
325 | ||
6740c9c5 | 326 | local path="$(vpn_security_policies_path "${name}")" |
3eae7bed JS |
327 | if [ ! -w ${path} ]; then |
328 | log ERROR "${path} is not writeable" | |
329 | return ${EXIT_ERROR} | |
330 | fi | |
331 | ||
332 | if ! settings_write "${path}" ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS}; then | |
333 | log ERROR "Could not write configuration settings for vpn security policy ${name}" | |
334 | return ${EXIT_ERROR} | |
335 | fi | |
336 | ||
f0e91d26 JS |
337 | if ! vpn_security_policies_reload ${name}; then |
338 | log WARNING "Could not reload the IPsec connection using this security policy" | |
339 | return ${EXIT_ERROR} | |
340 | fi | |
341 | } | |
342 | ||
343 | # reload IPsec connections using a special policy | |
344 | vpn_security_policies_reload() { | |
345 | local name=${1} | |
346 | ||
347 | local connection | |
348 | for connection in $(ipsec_list_connections); do | |
5601f4f5 JS |
349 | local SECURITY_POLICY ENABLED |
350 | ||
f0e91d26 JS |
351 | if ! ipsec_connection_read_config "${connection}" "SECURITY_POLICY"; then |
352 | continue | |
353 | fi | |
354 | ||
5601f4f5 | 355 | if [[ "${SECURITY_POLICY}" = "${name}" ]] && enabled ENABLED; then |
f0e91d26 JS |
356 | if ! ipsec_connection_to_strongswan "${connection}"; then |
357 | log ERROR "Could not generate strongswan config for ${connnection}" | |
358 | fi | |
359 | fi | |
360 | done | |
361 | ||
362 | ipsec_strongswan_load | |
3eae7bed JS |
363 | } |
364 | ||
6740c9c5 | 365 | # This funtion writes the value for one key to a via ${name} specificated vpn security policy configuration file |
3eae7bed | 366 | vpn_security_policies_write_config_key() { |
3eae7bed | 367 | assert [ $# -ge 3 ] |
6740c9c5 | 368 | |
3eae7bed JS |
369 | local name=${1} |
370 | local key=${2} | |
371 | shift 2 | |
6740c9c5 | 372 | |
3eae7bed JS |
373 | local value="$@" |
374 | ||
6740c9c5 | 375 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
376 | log ERROR "No such vpn security policy: ${name}" |
377 | return ${EXIT_ERROR} | |
378 | fi | |
379 | ||
380 | log DEBUG "Set '${key}' to new value '${value}' in vpn security policy ${name}" | |
381 | ||
382 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
383 | ||
384 | # Read the config settings | |
6740c9c5 | 385 | if ! vpn_security_policies_read_config "${name}"; then |
3eae7bed JS |
386 | return ${EXIT_ERROR} |
387 | fi | |
388 | ||
389 | # Set the key to a new value | |
390 | assign "${key}" "${value}" | |
391 | ||
6740c9c5 | 392 | if ! vpn_security_policies_write_config "${name}"; then |
3eae7bed JS |
393 | return ${EXIT_ERROR} |
394 | fi | |
395 | ||
396 | return ${EXIT_TRUE} | |
3eae7bed JS |
397 | } |
398 | ||
6740c9c5 | 399 | # Reads one or more keys out of a settings file or all if no key is provided. |
3eae7bed | 400 | vpn_security_policies_read_config() { |
3eae7bed JS |
401 | assert [ $# -ge 1 ] |
402 | ||
403 | local name="${1}" | |
404 | shift 1 | |
405 | ||
6740c9c5 | 406 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
407 | log ERROR "No such vpn security policy: ${name}" |
408 | return ${EXIT_ERROR} | |
409 | fi | |
410 | ||
411 | ||
412 | local args | |
413 | if [ $# -eq 0 ] && [ -n "${VPN_SECURITY_POLICIES_CONFIG_SETTINGS}" ]; then | |
414 | list_append args ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
415 | else | |
416 | list_append args $@ | |
417 | fi | |
418 | ||
419 | local path="$(vpn_security_policies_path ${name})" | |
420 | ||
421 | if ! settings_read "${path}" ${args}; then | |
422 | log ERROR "Could not read settings for vpn security policy ${name}" | |
423 | return ${EXIT_ERROR} | |
424 | fi | |
425 | } | |
426 | ||
6740c9c5 | 427 | # Returns the path to a the configuration fora given name |
3eae7bed | 428 | vpn_security_policies_path() { |
3eae7bed | 429 | assert [ $# -eq 1 ] |
6740c9c5 | 430 | |
3eae7bed JS |
431 | local name=${1} |
432 | ||
6740c9c5 | 433 | if vpn_security_policies_check_readonly "${name}"; then |
3eae7bed JS |
434 | echo "${NETWORK_SHARE_DIR}/vpn/security-policies/${name}" |
435 | else | |
436 | echo "${NETWORK_CONFIG_DIR}/vpn/security-policies/${name}" | |
437 | fi | |
438 | } | |
439 | ||
6740c9c5 | 440 | # Print the content of a vpn security policy configuration file in a nice way |
3eae7bed | 441 | vpn_security_policies_show() { |
3eae7bed | 442 | assert [ $# -eq 1 ] |
6740c9c5 | 443 | |
3eae7bed JS |
444 | local name=${1} |
445 | ||
446 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
3eae7bed JS |
447 | if ! vpn_security_policies_read_config ${name}; then |
448 | return ${EXIT_ERROR} | |
449 | fi | |
450 | ||
451 | cli_print_fmt1 0 "Security Policy: ${name}" | |
452 | cli_space | |
453 | ||
454 | # This could be done in a loop but a loop is much more complicated | |
455 | # because we print 'Group Types' but the variable is named 'GROUP_TYPES' | |
456 | cli_print_fmt1 1 "Ciphers:" | |
d21db419 MT |
457 | local cipher |
458 | for cipher in ${CIPHER}; do | |
459 | cli_print_fmt1 2 "${VPN_SUPPORTED_CIPHERS[${cipher}]-${cipher}}" | |
460 | done | |
3eae7bed | 461 | cli_space |
6740c9c5 | 462 | |
3eae7bed | 463 | cli_print_fmt1 1 "Integrity:" |
f3098f76 MT |
464 | local integrity |
465 | for integrity in ${INTEGRITY}; do | |
466 | cli_print_fmt1 2 "${VPN_SUPPORTED_INTEGRITY[${integrity}]-${integrity}}" | |
467 | done | |
3eae7bed | 468 | cli_space |
6740c9c5 | 469 | |
3eae7bed | 470 | cli_print_fmt1 1 "Group Types:" |
84c1cc17 MT |
471 | local group_type |
472 | for group_type in ${GROUP_TYPE}; do | |
473 | cli_print_fmt1 2 "${VPN_SUPPORTED_GROUP_TYPES[${group_type}]-${group_type}}" | |
474 | done | |
3eae7bed JS |
475 | cli_space |
476 | ||
477 | cli_print_fmt1 1 "Key Exchange:" "${KEY_EXCHANGE}" | |
6740c9c5 MT |
478 | |
479 | # Key Lifetime | |
3eae7bed JS |
480 | if isinteger LIFETIME && [ ${LIFETIME} -gt 0 ]; then |
481 | cli_print_fmt1 1 "Key Lifetime:" "$(format_time ${LIFETIME})" | |
482 | else | |
483 | log ERROR "The value for Key Lifetime is not a valid integer greater zero." | |
484 | fi | |
6740c9c5 MT |
485 | |
486 | # PFS | |
3eae7bed JS |
487 | if enabled PFS; then |
488 | cli_print_fmt1 1 "Perfect Forward Secrecy:" "enabled" | |
489 | else | |
490 | cli_print_fmt1 1 "Perfect Forward Secrecy:" "disabled" | |
491 | fi | |
492 | cli_space | |
6740c9c5 MT |
493 | |
494 | # Compression | |
3eae7bed JS |
495 | if enabled COMPRESSION; then |
496 | cli_print_fmt1 1 "Compression:" "enabled" | |
497 | else | |
498 | cli_print_fmt1 1 "Compression:" "disabled" | |
499 | fi | |
500 | cli_space | |
501 | } | |
502 | ||
6740c9c5 MT |
503 | # This function checks if a vpn security policy exists |
504 | # Returns True when yes and false when not | |
3eae7bed | 505 | vpn_security_policy_exists() { |
3eae7bed | 506 | assert [ $# -eq 1 ] |
6740c9c5 | 507 | |
3eae7bed JS |
508 | local name=${1} |
509 | ||
6740c9c5 MT |
510 | local path=$(vpn_security_policies_path "${name}") |
511 | ||
512 | [ -f ${path} ] && return ${EXIT_TRUE} || return ${EXIT_FALSE} | |
3eae7bed JS |
513 | } |
514 | ||
515 | ||
6740c9c5 | 516 | # This function parses the parameters for the 'cipher' command |
3eae7bed | 517 | vpn_security_policies_cipher(){ |
3eae7bed JS |
518 | local name=${1} |
519 | shift | |
520 | ||
521 | if [ $# -eq 0 ]; then | |
522 | log ERROR "You must pass at least one value after cipher" | |
523 | return ${EXIT_ERROR} | |
524 | fi | |
525 | ||
526 | local CIPHER | |
3eae7bed JS |
527 | if ! vpn_security_policies_read_config ${name} "CIPHER"; then |
528 | return ${EXIT_ERROR} | |
529 | fi | |
530 | ||
531 | # Remove duplicated entries to proceed the list safely | |
532 | CIPHER="$(list_unique ${CIPHER})" | |
533 | ||
d9a6c183 MT |
534 | local ciphers_added |
535 | local ciphers_removed | |
536 | local ciphers_set | |
537 | ||
3eae7bed | 538 | while [ $# -gt 0 ]; do |
d9a6c183 MT |
539 | local arg="${1}" |
540 | ||
541 | case "${arg}" in | |
542 | +*) | |
543 | list_append ciphers_added "${arg:1}" | |
544 | ;; | |
3eae7bed | 545 | -*) |
d9a6c183 | 546 | list_append ciphers_removed "${arg:1}" |
3eae7bed | 547 | ;; |
d9a6c183 MT |
548 | [A-Z0-9]*) |
549 | list_append ciphers_set "${arg}" | |
550 | ;; | |
551 | *) | |
552 | error "Invalid argument: ${arg}" | |
553 | return ${EXIT_ERROR} | |
3eae7bed JS |
554 | ;; |
555 | esac | |
556 | shift | |
557 | done | |
558 | ||
d9a6c183 MT |
559 | # Check if the user is trying a mixed operation |
560 | if ! list_is_empty ciphers_set && (! list_is_empty ciphers_added || ! list_is_empty ciphers_removed); then | |
561 | error "You cannot reset the cipher list and add or remove ciphers at the same time" | |
562 | return ${EXIT_ERROR} | |
563 | fi | |
564 | ||
565 | # Set new cipher list | |
566 | if ! list_is_empty ciphers_set; then | |
567 | # Check if all ciphers are valid | |
568 | local cipher | |
569 | for cipher in ${ciphers_set}; do | |
570 | if ! vpn_security_policies_cipher_supported ${cipher}; then | |
571 | error "Unsupported cipher: ${cipher}" | |
572 | return ${EXIT_ERROR} | |
573 | fi | |
574 | done | |
575 | ||
6eb85c57 | 576 | CIPHER="${ciphers_set}" |
d9a6c183 MT |
577 | |
578 | # Perform incremental updates | |
3eae7bed | 579 | else |
d9a6c183 MT |
580 | local cipher |
581 | ||
582 | # Perform all removals | |
583 | for cipher in ${ciphers_removed}; do | |
584 | if ! list_remove CIPHER ${cipher}; then | |
585 | warning "${cipher} was not on the list and could not be removed" | |
586 | fi | |
587 | done | |
588 | ||
589 | for cipher in ${ciphers_added}; do | |
590 | if vpn_security_policies_cipher_supported ${cipher}; then | |
591 | if ! list_append_unique CIPHER ${cipher}; then | |
592 | warning "${cipher} is already on the cipher list" | |
593 | fi | |
594 | else | |
595 | warning "${cipher} is unknown or unsupported and could not be added" | |
596 | fi | |
597 | done | |
598 | fi | |
599 | ||
600 | # Check if the list contain at least one valid cipher | |
601 | if list_is_empty CIPHER; then | |
602 | error "Cannot save an empty cipher list" | |
3eae7bed JS |
603 | return ${EXIT_ERROR} |
604 | fi | |
d9a6c183 MT |
605 | |
606 | # Save everything | |
607 | if ! vpn_security_policies_write_config_key ${name} "CIPHER" ${CIPHER}; then | |
608 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
609 | fi | |
610 | ||
611 | cli_headline 1 "Current cipher list for ${name}:" | |
612 | for cipher in ${CIPHER}; do | |
613 | cli_print_fmt1 1 "${cipher}" "${VPN_SUPPORTED_CIPHERS[${cipher}]}" | |
614 | done | |
3eae7bed JS |
615 | } |
616 | ||
6740c9c5 | 617 | # This function parses the parameters for the 'compression' command |
3eae7bed | 618 | vpn_security_policies_compression(){ |
3eae7bed JS |
619 | local name=${1} |
620 | local value=${2} | |
621 | ||
622 | # Check if we get only one argument after compression <name> | |
623 | if [ ! $# -eq 2 ]; then | |
624 | log ERROR "The number of arguments do not match. Only one argument after compression is allowed." | |
625 | return ${EXIT_ERROR} | |
626 | fi | |
627 | ||
628 | if ! isbool value; then | |
629 | # We suggest only two values to avoid overburding the user. | |
630 | log ERROR "Invalid Argument ${value}" | |
631 | return ${EXIT_ERROR} | |
632 | fi | |
633 | ||
634 | vpn_security_policies_write_config_key "${name}" "COMPRESSION" "${value}" | |
635 | } | |
636 | ||
6740c9c5 | 637 | # This function parses the parameters for the 'group-type' command |
3eae7bed | 638 | vpn_security_policies_group_type(){ |
3eae7bed JS |
639 | local name=${1} |
640 | shift | |
641 | ||
642 | if [ $# -eq 0 ]; then | |
643 | log ERROR "You must pass at least one value after group-type" | |
644 | return ${EXIT_ERROR} | |
645 | fi | |
646 | ||
647 | local GROUP_TYPE | |
3eae7bed JS |
648 | if ! vpn_security_policies_read_config ${name} "GROUP_TYPE"; then |
649 | return ${EXIT_ERROR} | |
650 | fi | |
651 | ||
652 | # Remove duplicated entries to proceed the list safely | |
653 | GROUP_TYPE="$(list_unique ${GROUP_TYPE})" | |
654 | ||
655 | while [ $# -gt 0 ]; do | |
656 | case "${1}" in | |
657 | -*) | |
658 | value=${1#-} | |
659 | # Check if the group type is in the list of group types and | |
660 | # check if the list has after removing this group type at leatst one valid value | |
661 | if list_match ${value} ${GROUP_TYPE}; then | |
662 | list_remove GROUP_TYPE ${value} | |
663 | else | |
664 | # We do not break here because this error does not break the processing of the next maybe valid values. | |
665 | log ERROR "Can not remove ${value} from the list of group types because ${value} is not in the list." | |
666 | fi | |
667 | ;; | |
668 | +*) | |
669 | value=${1#+} | |
670 | # Check if the group type is in the list of supported group types. | |
54fc6c3f | 671 | if ! isoneof value ${!VPN_SUPPORTED_GROUP_TYPES[@]}; then |
3eae7bed JS |
672 | # We do not break here because the processing of other maybe valid values are indepent from this error. |
673 | log ERROR "${value} is not a supported group type and can thats why not added to the list of group types." | |
674 | else | |
675 | if list_match ${value} ${GROUP_TYPE}; then | |
676 | log WARNING "${value} is already in the list of group-types of this policy." | |
677 | else | |
678 | list_append GROUP_TYPE ${value} | |
679 | fi | |
680 | fi | |
681 | ;; | |
682 | esac | |
683 | shift | |
684 | done | |
685 | ||
686 | # Check if the list contain at least one valid group-type | |
687 | if [ $(list_length ${GROUP_TYPE}) -ge 1 ]; then | |
688 | if ! vpn_security_policies_write_config_key ${name} "GROUP_TYPE" ${GROUP_TYPE}; then | |
689 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
690 | fi | |
691 | else | |
692 | log ERROR "After proceding all group types the list is empty and thats why no changes are written." | |
693 | return ${EXIT_ERROR} | |
694 | fi | |
695 | } | |
6740c9c5 MT |
696 | |
697 | # This function parses the parameters for the 'integrity' command | |
3eae7bed | 698 | vpn_security_policies_integrity(){ |
3eae7bed JS |
699 | local name=${1} |
700 | shift | |
701 | ||
702 | if [ $# -eq 0 ]; then | |
703 | log ERROR "You must pass at least one value after integrity." | |
704 | return ${EXIT_ERROR} | |
705 | fi | |
706 | ||
707 | local INTEGRITY | |
3eae7bed JS |
708 | if ! vpn_security_policies_read_config ${name} "INTEGRITY"; then |
709 | return ${EXIT_ERROR} | |
710 | fi | |
711 | ||
712 | # Remove duplicated entries to proceed the list safely | |
713 | INTEGRITY="$(list_unique ${INTEGRITY})" | |
714 | ||
715 | while [ $# -gt 0 ]; do | |
716 | case "${1}" in | |
717 | -*) | |
718 | value=${1#-} | |
719 | # Check if the integrity hash is in the list of integrity hashes and | |
720 | # check if the list has after removing this integrity hash at least one valid value | |
721 | if list_match ${value} ${INTEGRITY}; then | |
722 | list_remove INTEGRITY ${value} | |
723 | else | |
724 | # We do not break here because the processing of other maybe valid values are indepent from this error. | |
725 | log ERROR "Can not remove ${value} from the list of integrity hashes because ${value} is not in the list." | |
726 | fi | |
727 | ;; | |
728 | +*) | |
729 | value=${1#+} | |
730 | # Check if the Ciphers is in the list of supported integrity hashes. | |
3a0c376c | 731 | if ! isoneof value ${!VPN_SUPPORTED_INTEGRITY[@]}; then |
3eae7bed JS |
732 | # We do not break here because the processing of other maybe valid values are indepent from this error. |
733 | log ERROR "${value} is not a supported integrity hash and can thats why not added to the list of integrity hashes." | |
734 | else | |
735 | if list_match ${value} ${INTEGRITY}; then | |
736 | log WARNING "${value} is already in the list of integrety hashes of this policy." | |
737 | else | |
738 | list_append INTEGRITY ${value} | |
739 | fi | |
740 | fi | |
741 | ;; | |
742 | esac | |
743 | shift | |
744 | done | |
745 | ||
746 | # Check if the list contain at least one valid group-type | |
747 | if [ $(list_length ${INTEGRITY}) -ge 1 ]; then | |
748 | if ! vpn_security_policies_write_config_key ${name} "INTEGRITY" ${INTEGRITY}; then | |
749 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
750 | fi | |
751 | else | |
752 | log ERROR "After proceding all integrity hashes the list is empty and thats why no changes are written." | |
753 | return ${EXIT_ERROR} | |
754 | fi | |
3eae7bed JS |
755 | } |
756 | ||
6740c9c5 | 757 | # This function parses the parameters for the 'key-exchange' command |
3eae7bed | 758 | vpn_security_policies_key_exchange() { |
3eae7bed JS |
759 | local name=${1} |
760 | local value=${2} | |
6740c9c5 | 761 | |
3eae7bed JS |
762 | # Check if we get only one argument after key-exchange <name> |
763 | if [ ! $# -eq 2 ]; then | |
764 | log ERROR "The number of arguments do not match. Only argument after key-exchange is allowed." | |
765 | return ${EXIT_ERROR} | |
766 | fi | |
767 | ||
3eae7bed JS |
768 | if ! isoneof value "ikev1" "ikev2" "IKEV1" "IKEV2"; then |
769 | log ERROR "Invalid Argument ${value}" | |
770 | return ${EXIT_ERROR} | |
771 | fi | |
772 | ||
773 | vpn_security_policies_write_config_key "${name}" "KEY_EXCHANGE" "${value,,}" | |
774 | } | |
775 | ||
6740c9c5 | 776 | # This function parses the parameters for the 'lifetime' command. |
3eae7bed | 777 | vpn_security_policies_lifetime(){ |
3eae7bed JS |
778 | local name=${1} |
779 | shift | |
6740c9c5 | 780 | |
3eae7bed JS |
781 | local value=$@ |
782 | ||
783 | # Check if we get only one argument after lifetime <name> | |
784 | if [ ! $# -ge 1 ]; then | |
785 | log ERROR "The number of arguments do not match you must provide at least one integer value or a valid time with the format <hours>h <minutes>m <seconds>s" | |
786 | return ${EXIT_ERROR} | |
787 | fi | |
788 | ||
789 | if ! isinteger value; then | |
790 | value=$(parse_time $@) | |
791 | if [ ! $? -eq 0 ]; then | |
792 | log ERROR "Parsing the passed time was not sucessful please check the passed values." | |
793 | return ${EXIT_ERROR} | |
794 | fi | |
795 | fi | |
796 | ||
797 | if [ ${value} -le 0 ]; then | |
798 | log ERROR "The passed time value must be in the sum greater zero seconds." | |
799 | return ${EXIT_ERROR} | |
800 | fi | |
801 | ||
802 | vpn_security_policies_write_config_key "${name}" "LIFETIME" "${value}" | |
803 | } | |
804 | ||
6740c9c5 | 805 | # This function parses the parameters for the 'pfs' command |
3eae7bed | 806 | vpn_security_policies_pfs(){ |
3eae7bed JS |
807 | local name=${1} |
808 | local value=${2} | |
809 | ||
810 | # Check if we get only one argument after pfs <name> | |
811 | if [ ! $# -eq 2 ]; then | |
812 | log ERROR "The number of arguments do not match. Only argument after pfs is allowed." | |
813 | return ${EXIT_ERROR} | |
814 | fi | |
815 | ||
816 | if [ ! $# -eq 2 ] || ! isbool value; then | |
817 | # We suggest only two values to avoid overburding the user. | |
818 | log ERROR "Invalid Argument ${value}" | |
819 | return ${EXIT_ERROR} | |
820 | fi | |
821 | ||
822 | vpn_security_policies_write_config_key "${name}" "PFS" "${value}" | |
823 | } | |
824 | ||
6740c9c5 MT |
825 | # This function checks if a vpn security policy name is valid |
826 | # Allowed are only A-Za-z0-9 | |
3eae7bed | 827 | vpn_security_policies_check_name() { |
3eae7bed | 828 | assert [ $# -eq 1 ] |
6740c9c5 | 829 | |
3eae7bed | 830 | local name=${1} |
6740c9c5 | 831 | |
3eae7bed JS |
832 | [[ ${name} =~ [^[:alnum:]$] ]] |
833 | } | |
834 | ||
6740c9c5 | 835 | # Function that creates based on the paramters one ore more new vpn security policies |
3eae7bed | 836 | vpn_security_policies_new() { |
58aa0edf MT |
837 | if [ $# -gt 1 ]; then |
838 | error "Too many arguments" | |
3eae7bed JS |
839 | return ${EXIT_ERROR} |
840 | fi | |
841 | ||
58aa0edf MT |
842 | local name="${1}" |
843 | if ! isset name; then | |
844 | error "Please provide a name" | |
845 | return ${EXIT_ERROR} | |
846 | fi | |
3eae7bed | 847 | |
58aa0edf MT |
848 | # Check for duplicates |
849 | if vpn_security_policy_exists "${name}"; then | |
850 | error "The VPN security policy with name ${name} already exists" | |
851 | return ${EXIT_ERROR} | |
852 | fi | |
3eae7bed | 853 | |
58aa0edf MT |
854 | # Check if name is valid |
855 | if vpn_security_policies_check_name "${name}"; then | |
856 | error "'${name}' contains illegal characters" | |
857 | return ${EXIT_ERROR} | |
858 | fi | |
3eae7bed | 859 | |
58aa0edf MT |
860 | # Check if we have a read-only policy with the same name |
861 | if vpn_security_policies_check_readonly "${name}"; then | |
862 | error "The VPN security policy ${name} is read-only" | |
863 | return ${EXIT_ERROR} | |
864 | fi | |
865 | ||
6fdbda80 MT |
866 | # Check if our source policy exists |
867 | if ! vpn_security_policy_exists "${VPN_DEFAULT_SECURITY_POLICY}"; then | |
868 | error "Default VPN Security Policy '${VPN_DEFAULT_SECURITY_POLICY}' does not exist" | |
869 | return ${EXIT_ERROR} | |
870 | fi | |
871 | ||
58aa0edf MT |
872 | log DEBUG "Creating VPN Security Policy ${name}" |
873 | ||
88013fd8 | 874 | if copy "$(vpn_security_policies_path "${VPN_DEFAULT_SECURITY_POLICY}")" \ |
aab75c48 | 875 | "$(vpn_security_policies_path ${name})"; then |
58aa0edf MT |
876 | log INFO "VPN Security Policy ${name} successfully created" |
877 | else | |
878 | log ERROR "Could not create VPN Security Policy ${name}" | |
879 | return ${EXIT_ERROR} | |
880 | fi | |
c787fea5 MT |
881 | |
882 | # Show the newly created policy | |
883 | vpn_security_policies_show "${name}" | |
3eae7bed JS |
884 | } |
885 | ||
6740c9c5 | 886 | # Function that deletes based on the passed parameters one ore more vpn security policies |
3eae7bed | 887 | vpn_security_policies_destroy() { |
3eae7bed JS |
888 | local name |
889 | for name in $@; do | |
890 | if ! vpn_security_policy_exists ${name}; then | |
891 | log ERROR "The vpn security policy ${name} does not exist." | |
892 | continue | |
893 | fi | |
894 | ||
895 | if vpn_security_policies_check_readonly ${name}; then | |
896 | log ERROR "The vpn security policy ${name} cannot be deleted." | |
897 | continue | |
898 | fi | |
899 | ||
900 | log DEBUG "Deleting vpn security policy ${name}" | |
901 | settings_remove $(vpn_security_policies_path ${name}) | |
26b47a99 MT |
902 | |
903 | # Delete cache | |
904 | rm -rf "${NETWORK_CACHE_DIR}/vpn/security-policies/${name}" | |
3eae7bed JS |
905 | done |
906 | } | |
d69af00f | 907 | |
d9a6c183 MT |
908 | vpn_security_policies_cipher_supported() { |
909 | local cipher=${1} | |
910 | ||
911 | list_match ${cipher} ${!VPN_SUPPORTED_CIPHERS[@]} | |
912 | } | |
913 | ||
0d645497 MT |
914 | vpn_security_policies_cipher_is_aead() { |
915 | local cipher=${1} | |
916 | ||
917 | # All CCM and GCM ciphers are AEAD | |
918 | string_match "[CG]CM" "${cipher}" | |
919 | } | |
920 | ||
e3ffacf7 | 921 | vpn_security_policies_make_ike_proposal() { |
d69af00f MT |
922 | local name=${1} |
923 | ||
e1947a76 MT |
924 | if ! vpn_security_policy_exists ${name}; then |
925 | return ${EXIT_ERROR} | |
926 | fi | |
927 | ||
928 | local config_path="$(vpn_security_policies_path ${name})" | |
e3ffacf7 | 929 | local cache_path="${NETWORK_CACHE_DIR}/vpn/security-policies/${name}/ike-proposal" |
e1947a76 MT |
930 | |
931 | # Get data from cache if possible | |
932 | if file_exists "${cache_path}" && ! file_is_newer_than "${config_path}" "${cache_path}"; then | |
933 | fread "${cache_path}" | |
934 | return ${EXIT_OK} | |
935 | fi | |
936 | ||
937 | # No or invalid cache data found | |
e3ffacf7 | 938 | local proposal=$(_vpn_security_policies_make_ike_proposal "${name}") |
e1947a76 MT |
939 | |
940 | # Write proposal to cache | |
941 | if ! make_parent_dir "${cache_path}" || ! fwrite "${cache_path}" "${proposal}"; then | |
942 | log WARNING "Could not write to cache: ${cache_path}" | |
943 | fi | |
944 | ||
945 | print "${proposal}" | |
946 | } | |
947 | ||
e3ffacf7 | 948 | _vpn_security_policies_make_ike_proposal() { |
e1947a76 MT |
949 | local name=${1} |
950 | ||
d69af00f MT |
951 | # Read the config settings |
952 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
953 | if ! vpn_security_policies_read_config "${name}"; then | |
954 | return ${EXIT_ERROR} | |
955 | fi | |
956 | ||
957 | local proposals | |
958 | ||
959 | local cipher | |
960 | for cipher in ${CIPHER}; do | |
961 | # Translate cipher | |
962 | local _cipher=${CIPHER_TO_STRONGSWAN[${cipher}]} | |
963 | ||
964 | if ! isset _cipher; then | |
965 | log WARN "Unsupported cipher: ${cipher}" | |
966 | continue | |
967 | fi | |
968 | ||
969 | local integrity | |
970 | for integrity in ${INTEGRITY}; do | |
971 | local _integrity=${INTEGRITY_TO_STRONGSWAN[${integrity}]} | |
972 | ||
973 | if ! isset _integrity; then | |
974 | log WARN "Unsupported integrity: ${integrity}" | |
975 | continue | |
976 | fi | |
977 | ||
978 | local group_type | |
979 | for group_type in ${GROUP_TYPE}; do | |
980 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
981 | ||
982 | if ! isset _group_type; then | |
983 | log WARN "Unsupported group-type: ${group_type}" | |
984 | continue | |
985 | fi | |
986 | ||
987 | # Put everything together | |
988 | list_append proposals "${_cipher}-${_integrity}-${_group_type}" | |
989 | done | |
990 | done | |
991 | done | |
992 | ||
993 | # Returns as a comma-separated list | |
994 | list_join proposals , | |
995 | } | |
0d645497 MT |
996 | |
997 | vpn_security_policies_make_esp_proposal() { | |
998 | local name=${1} | |
999 | ||
e1947a76 MT |
1000 | if ! vpn_security_policy_exists ${name}; then |
1001 | return ${EXIT_ERROR} | |
1002 | fi | |
1003 | ||
1004 | local config_path="$(vpn_security_policies_path ${name})" | |
1005 | local cache_path="${NETWORK_CACHE_DIR}/vpn/security-policies/${name}/esp-proposal" | |
1006 | ||
1007 | # Get data from cache if possible | |
1008 | if file_exists "${cache_path}" && ! file_is_newer_than "${config_path}" "${cache_path}"; then | |
1009 | fread "${cache_path}" | |
1010 | return ${EXIT_OK} | |
1011 | fi | |
1012 | ||
1013 | # No or invalid cache data found | |
1014 | local proposal=$(_vpn_security_policies_make_esp_proposal "${name}") | |
1015 | ||
1016 | # Write proposal to cache | |
1017 | if ! make_parent_dir "${cache_path}" || ! fwrite "${cache_path}" "${proposal}"; then | |
1018 | log WARNING "Could not write to cache: ${cache_path}" | |
1019 | fi | |
1020 | ||
1021 | print "${proposal}" | |
1022 | } | |
1023 | ||
1024 | _vpn_security_policies_make_esp_proposal() { | |
1025 | local name=${1} | |
1026 | ||
0d645497 MT |
1027 | # Read the config settings |
1028 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
1029 | if ! vpn_security_policies_read_config "${name}"; then | |
1030 | return ${EXIT_ERROR} | |
1031 | fi | |
1032 | ||
1033 | local proposals | |
1034 | ||
1035 | local cipher | |
1036 | for cipher in ${CIPHER}; do | |
1037 | # Translate cipher | |
1038 | local _cipher=${CIPHER_TO_STRONGSWAN[${cipher}]} | |
1039 | ||
1040 | if ! isset _cipher; then | |
1041 | log WARN "Unsupported cipher: ${cipher}" | |
1042 | continue | |
1043 | fi | |
1044 | ||
1045 | if vpn_security_policies_cipher_is_aead ${cipher}; then | |
1046 | local group_type | |
1047 | for group_type in ${GROUP_TYPE}; do | |
1048 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
1049 | ||
1050 | if ! isset _group_type; then | |
1051 | log WARN "Unsupported group-type: ${group_type}" | |
1052 | continue | |
1053 | fi | |
1054 | ||
1055 | # Put everything together | |
1056 | list_append proposals "${_cipher}-${_group_type}" | |
1057 | done | |
1058 | else | |
1059 | local integrity | |
1060 | for integrity in ${INTEGRITY}; do | |
1061 | local _integrity=${INTEGRITY_TO_STRONGSWAN[${integrity}]} | |
1062 | ||
1063 | if ! isset _integrity; then | |
1064 | log WARN "Unsupported integrity: ${integrity}" | |
1065 | continue | |
1066 | fi | |
1067 | ||
1068 | local group_type | |
1069 | for group_type in ${GROUP_TYPE}; do | |
1070 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
1071 | ||
1072 | if ! isset _group_type; then | |
1073 | log WARN "Unsupported group-type: ${group_type}" | |
1074 | continue | |
1075 | fi | |
1076 | ||
1077 | # Put everything together | |
1078 | list_append proposals "${_cipher}-${_integrity}-${_group_type}" | |
1079 | done | |
1080 | done | |
1081 | fi | |
1082 | done | |
1083 | ||
1084 | # Returns as a comma-separated list | |
1085 | list_join proposals , | |
1086 | } | |
a00e7803 JS |
1087 | |
1088 | # List all security policies | |
1089 | vpn_security_policies_list_all() { | |
1090 | local security_policy | |
1091 | for security_policy in ${NETWORK_SHARE_DIR}/vpn/security-policies/*; do | |
1092 | [ -f ${security_policy} ] || continue | |
1093 | basename ${security_policy} | |
1094 | done | |
1095 | ||
3cac4fcd MT |
1096 | # Add all user-defined policies |
1097 | vpn_security_policies_list_user | |
1098 | } | |
1099 | ||
1100 | vpn_security_policies_list_user() { | |
1101 | local security_policy | |
a00e7803 JS |
1102 | for security_policy in ${NETWORK_CONFIG_DIR}/vpn/security-policies/*; do |
1103 | [ -f ${security_policy} ] || continue | |
3cac4fcd | 1104 | |
a00e7803 JS |
1105 | basename ${security_policy} |
1106 | done | |
1107 | } |