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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" | |
d9a8af16 MT |
94 | |
95 | # No Encryption | |
96 | [NULL]="No Encryption" | |
b116ad92 MT |
97 | ) |
98 | ||
d69af00f MT |
99 | declare -A CIPHER_TO_STRONGSWAN=( |
100 | # 3DES-CBC | |
101 | [3DES-CBC]="3des" | |
102 | ||
103 | # AES-CBC | |
104 | [AES256-CBC]="aes256" | |
105 | [AES192-CBC]="aes192" | |
106 | [AES128-CBC]="aes128" | |
107 | ||
108 | # AES-CTR | |
109 | [AES256-CTR]="aes256ctr" | |
110 | [AES192-CTR]="aes192ctr" | |
111 | [AES128-CTR]="aes128ctr" | |
112 | ||
113 | # AES-GCM | |
114 | [AES256-GCM128]="aes256gcm128" | |
115 | [AES192-GCM128]="aes192gcm128" | |
116 | [AES128-GCM128]="aes128gcm128" | |
117 | [AES256-GCM96]="aes256gcm96" | |
118 | [AES192-GCM96]="aes192gcm96" | |
119 | [AES128-GCM96]="aes128gcm96" | |
120 | [AES256-GCM64]="aes256gcm64" | |
121 | [AES192-GCM64]="aes192gcm64" | |
122 | [AES128-GCM64]="aes128gcm64" | |
123 | ||
124 | # AES-CCM | |
125 | [AES256-CCM128]="aes256ccm128" | |
126 | [AES192-CCM128]="aes192ccm128" | |
127 | [AES128-CCM128]="aes128ccm128" | |
128 | [AES256-CCM96]="aes256ccm96" | |
129 | [AES192-CCM96]="aes192ccm96" | |
130 | [AES128-CCM96]="aes128ccm96" | |
131 | [AES256-CCM64]="aes256ccm64" | |
132 | [AES192-CCM64]="aes192ccm64" | |
133 | [AES128-CCM64]="aes128ccm64" | |
134 | ||
135 | # CAMELLIA-CBC | |
136 | [CAMELLIA256-CBC]="camellia256" | |
137 | [CAMELLIA192-CBC]="camellia192" | |
138 | [CAMELLIA128-CBC]="camellia128" | |
139 | ||
140 | # CAMELLIA-CTR | |
141 | [CAMELLIA256-CTR]="camellia256ctr" | |
142 | [CAMELLIA192-CTR]="camellia192ctr" | |
143 | [CAMELLIA128-CTR]="camellia128ctr" | |
144 | ||
145 | # CAMELLIA-GCM | |
146 | [CAMELLIA256-GCM128]="camellia256gcm128" | |
147 | [CAMELLIA192-GCM128]="camellia192gcm128" | |
148 | [CAMELLIA128-GCM128]="camellia128gcm128" | |
149 | [CAMELLIA256-GCM96]="camellia256gcm96" | |
150 | [CAMELLIA192-GCM96]="camellia192gcm96" | |
151 | [CAMELLIA128-GCM96]="camellia128gcm96" | |
152 | [CAMELLIA256-GCM64]="camellia256gcm64" | |
153 | [CAMELLIA192-GCM64]="camellia192gcm64" | |
154 | [CAMELLIA128-GCM64]="camellia128gcm64" | |
155 | ||
156 | # CAMELLIA-CCM | |
157 | [CAMELLIA256-CCM128]="camellia256ccm128" | |
158 | [CAMELLIA192-CCM128]="camellia192ccm128" | |
159 | [CAMELLIA128-CCM128]="camellia128ccm128" | |
160 | [CAMELLIA256-CCM96]="camellia256ccm96" | |
161 | [CAMELLIA192-CCM96]="camellia192ccm96" | |
162 | [CAMELLIA128-CCM96]="camellia128ccm96" | |
163 | [CAMELLIA256-CCM64]="camellia256ccm64" | |
164 | [CAMELLIA192-CCM64]="camellia192ccm64" | |
165 | [CAMELLIA128-CCM64]="camellia128ccm64" | |
d9a8af16 MT |
166 | |
167 | # No Encryption | |
168 | [NULL]="null" | |
d69af00f MT |
169 | ) |
170 | ||
3a0c376c MT |
171 | declare -A VPN_SUPPORTED_INTEGRITY=( |
172 | [MD5]="MD5-HMAC" | |
173 | ||
174 | # SHA | |
175 | [SHA1]="SHA1-HMAC" | |
3003747b | 176 | [SHA512]="512 bit SHA2-HMAC" |
3a0c376c MT |
177 | [SHA384]="384 bit SHA2-HMAC" |
178 | [SHA256]="256 bit SHA2-HMAC" | |
179 | ||
180 | # AES | |
181 | [AES-XCBC]="AES-XCBC" | |
182 | [AES-CMAC]="AES-CMAC" | |
183 | [AES256-GMAC]="256 bit AES-GMAC" | |
184 | [AES192-GMAC]="192 bit AES-GMAC" | |
185 | [AES128-GMAC]="128 bit AES-GMAC" | |
186 | ) | |
187 | ||
d69af00f MT |
188 | declare -A INTEGRITY_TO_STRONGSWAN=( |
189 | [MD5]="md5" | |
190 | ||
191 | # SHA | |
192 | [SHA1]="sha1" | |
193 | [SHA512]="sha512" | |
194 | [SHA384]="sha384" | |
195 | [SHA256]="sha256" | |
196 | ||
197 | # AES | |
198 | [AES-XCBC]="aesxcbc" | |
199 | [AES-CMAC]="aescmac" | |
200 | [AES256-GMAC]="aes256gmac" | |
201 | [AES192-GMAC]="aes192gmac" | |
202 | [AES128-GMAC]="aes128gmac" | |
203 | ) | |
204 | ||
54fc6c3f MT |
205 | declare -A VPN_SUPPORTED_GROUP_TYPES=( |
206 | # Regular Groups | |
207 | [MODP768]="768 bit Modulo Prime Group" | |
208 | [MODP1024]="1024 bit Modulo Prime Group" | |
209 | [MODP1536]="1536 bit Modulo Prime Group" | |
210 | [MODP2048]="2048 bit Modulo Prime Group" | |
211 | [MODP3072]="3072 bit Modulo Prime Group" | |
212 | [MODP4096]="4096 bit Modulo Prime Group" | |
213 | [MODP6144]="6144 bit Modulo Prime Group" | |
214 | [MODP8192]="8192 bit Modulo Prime Group" | |
215 | ||
216 | # NIST Elliptic Curve Groups | |
217 | [ECP192]="192 bit NIST Elliptic Curve Group" | |
218 | [ECP224]="224 bit NIST Elliptic Curve Group" | |
219 | [ECP256]="256 bit NIST Elliptic Curve Group" | |
220 | [ECP384]="384 bit NIST Elliptic Curve Group" | |
221 | [ECP521]="521 bit NIST Elliptic Curve Group" | |
222 | ||
223 | # Brainpool Elliptic Curve Groups | |
224 | [ECP224BP]="224 bit Brainpool Elliptic Curve Group" | |
225 | [ECP256BP]="256 bit Brainpool Elliptic Curve Group" | |
226 | [ECP384BP]="384 bit Brainpool Elliptic Curve Group" | |
227 | [ECP512BP]="512 bit Brainpool Elliptic Curve Group" | |
228 | ||
229 | # Curve25519 | |
230 | [CURVE25519]="256 bit Elliptic Curve 25519" | |
231 | ) | |
3eae7bed | 232 | |
d69af00f MT |
233 | declare -A GROUP_TYPE_TO_STRONGSWAN=( |
234 | # Regular Groups | |
235 | [MODP768]="modp768" | |
236 | [MODP1024]="modp1024" | |
237 | [MODP1536]="modp1536" | |
238 | [MODP2048]="modp2048" | |
239 | [MODP3072]="modp3072" | |
240 | [MODP4096]="modp4096" | |
241 | [MODP6144]="modp6144" | |
242 | [MODP8192]="modp8192" | |
243 | ||
244 | # NIST Elliptic Curve Groups | |
245 | [ECP192]="ecp192" | |
246 | [ECP224]="ecp224" | |
247 | [ECP256]="ecp256" | |
248 | [ECP384]="ecp384" | |
249 | [ECP521]="ecp521" | |
250 | ||
251 | # Brainpool Elliptic Curve Groups | |
252 | [ECP224BP]="ecp224bp" | |
253 | [ECP256BP]="ecp256bp" | |
254 | [ECP384BP]="ecp384bp" | |
255 | [ECP512BP]="ecp512bp" | |
256 | ||
257 | # Curve25519 | |
258 | [CURVE25519]="curve25519" | |
259 | ) | |
260 | ||
2da98f56 MT |
261 | cli_vpn_security_policies() { |
262 | local action | |
263 | local security_policy | |
264 | ||
265 | if vpn_security_policy_exists ${1}; then | |
266 | security_policy=${1} | |
267 | key=${2} | |
268 | shift 2 | |
269 | ||
270 | case "${key}" in | |
271 | cipher|compression|integrity|lifetime|pfs|show) | |
272 | vpn_security_policies_${key} ${security_policy} $@ | |
273 | ;; | |
274 | group-type) | |
275 | vpn_security_policies_group_type ${security_policy} $@ | |
276 | ;; | |
277 | key-exchange) | |
278 | vpn_security_policies_key_exchange ${security_policy} $@ | |
279 | ;; | |
280 | *) | |
281 | error "Unrecognized argument: ${key}" | |
282 | exit ${EXIT_ERROR} | |
283 | ;; | |
284 | esac | |
285 | else | |
286 | action=${1} | |
287 | shift | |
288 | ||
289 | case "${action}" in | |
290 | new) | |
291 | vpn_security_policies_new $@ | |
292 | ;; | |
293 | destroy) | |
294 | vpn_security_policies_destroy $@ | |
295 | ;; | |
296 | ""|*) | |
297 | if [ -n "${action}" ]; then | |
298 | error "Unrecognized argument: '${action}'" | |
299 | fi | |
300 | exit ${EXIT_ERROR} | |
301 | ;; | |
302 | esac | |
303 | fi | |
304 | } | |
305 | ||
6740c9c5 MT |
306 | # This functions checks if a policy is readonly |
307 | # returns true when yes and false when no | |
3eae7bed | 308 | vpn_security_policies_check_readonly() { |
3eae7bed JS |
309 | if isoneof name ${VPN_SECURITY_POLICIES_READONLY}; then |
310 | return ${EXIT_TRUE} | |
311 | else | |
312 | return ${EXIT_FALSE} | |
313 | fi | |
314 | } | |
315 | ||
6740c9c5 | 316 | # This function writes all values to a via ${name} specificated vpn security policy configuration file |
3eae7bed | 317 | vpn_security_policies_write_config() { |
3eae7bed JS |
318 | assert [ $# -ge 1 ] |
319 | ||
320 | local name="${1}" | |
321 | ||
6740c9c5 | 322 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
323 | log ERROR "No such vpn security policy: ${name}" |
324 | return ${EXIT_ERROR} | |
325 | fi | |
326 | ||
6740c9c5 | 327 | if vpn_security_policies_check_readonly "${name}"; then |
3eae7bed JS |
328 | log ERROR "The ${name} vpn security policy cannot be changed." |
329 | return ${EXIT_ERROR} | |
330 | fi | |
331 | ||
6740c9c5 | 332 | local path="$(vpn_security_policies_path "${name}")" |
3eae7bed JS |
333 | if [ ! -w ${path} ]; then |
334 | log ERROR "${path} is not writeable" | |
335 | return ${EXIT_ERROR} | |
336 | fi | |
337 | ||
338 | if ! settings_write "${path}" ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS}; then | |
339 | log ERROR "Could not write configuration settings for vpn security policy ${name}" | |
340 | return ${EXIT_ERROR} | |
341 | fi | |
342 | ||
f0e91d26 JS |
343 | if ! vpn_security_policies_reload ${name}; then |
344 | log WARNING "Could not reload the IPsec connection using this security policy" | |
345 | return ${EXIT_ERROR} | |
346 | fi | |
347 | } | |
348 | ||
349 | # reload IPsec connections using a special policy | |
350 | vpn_security_policies_reload() { | |
351 | local name=${1} | |
352 | ||
353 | local connection | |
354 | for connection in $(ipsec_list_connections); do | |
5601f4f5 JS |
355 | local SECURITY_POLICY ENABLED |
356 | ||
f0e91d26 JS |
357 | if ! ipsec_connection_read_config "${connection}" "SECURITY_POLICY"; then |
358 | continue | |
359 | fi | |
360 | ||
5601f4f5 | 361 | if [[ "${SECURITY_POLICY}" = "${name}" ]] && enabled ENABLED; then |
f0e91d26 JS |
362 | if ! ipsec_connection_to_strongswan "${connection}"; then |
363 | log ERROR "Could not generate strongswan config for ${connnection}" | |
364 | fi | |
365 | fi | |
366 | done | |
367 | ||
368 | ipsec_strongswan_load | |
3eae7bed JS |
369 | } |
370 | ||
6740c9c5 | 371 | # This funtion writes the value for one key to a via ${name} specificated vpn security policy configuration file |
3eae7bed | 372 | vpn_security_policies_write_config_key() { |
3eae7bed | 373 | assert [ $# -ge 3 ] |
6740c9c5 | 374 | |
3eae7bed JS |
375 | local name=${1} |
376 | local key=${2} | |
377 | shift 2 | |
6740c9c5 | 378 | |
3eae7bed JS |
379 | local value="$@" |
380 | ||
6740c9c5 | 381 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
382 | log ERROR "No such vpn security policy: ${name}" |
383 | return ${EXIT_ERROR} | |
384 | fi | |
385 | ||
386 | log DEBUG "Set '${key}' to new value '${value}' in vpn security policy ${name}" | |
387 | ||
388 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
389 | ||
390 | # Read the config settings | |
6740c9c5 | 391 | if ! vpn_security_policies_read_config "${name}"; then |
3eae7bed JS |
392 | return ${EXIT_ERROR} |
393 | fi | |
394 | ||
395 | # Set the key to a new value | |
396 | assign "${key}" "${value}" | |
397 | ||
6740c9c5 | 398 | if ! vpn_security_policies_write_config "${name}"; then |
3eae7bed JS |
399 | return ${EXIT_ERROR} |
400 | fi | |
401 | ||
402 | return ${EXIT_TRUE} | |
3eae7bed JS |
403 | } |
404 | ||
6740c9c5 | 405 | # Reads one or more keys out of a settings file or all if no key is provided. |
3eae7bed | 406 | vpn_security_policies_read_config() { |
3eae7bed JS |
407 | assert [ $# -ge 1 ] |
408 | ||
409 | local name="${1}" | |
410 | shift 1 | |
411 | ||
6740c9c5 | 412 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
413 | log ERROR "No such vpn security policy: ${name}" |
414 | return ${EXIT_ERROR} | |
415 | fi | |
416 | ||
417 | ||
418 | local args | |
419 | if [ $# -eq 0 ] && [ -n "${VPN_SECURITY_POLICIES_CONFIG_SETTINGS}" ]; then | |
420 | list_append args ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
421 | else | |
422 | list_append args $@ | |
423 | fi | |
424 | ||
425 | local path="$(vpn_security_policies_path ${name})" | |
426 | ||
427 | if ! settings_read "${path}" ${args}; then | |
428 | log ERROR "Could not read settings for vpn security policy ${name}" | |
429 | return ${EXIT_ERROR} | |
430 | fi | |
431 | } | |
432 | ||
6740c9c5 | 433 | # Returns the path to a the configuration fora given name |
3eae7bed | 434 | vpn_security_policies_path() { |
3eae7bed | 435 | assert [ $# -eq 1 ] |
6740c9c5 | 436 | |
3eae7bed JS |
437 | local name=${1} |
438 | ||
6740c9c5 | 439 | if vpn_security_policies_check_readonly "${name}"; then |
3eae7bed JS |
440 | echo "${NETWORK_SHARE_DIR}/vpn/security-policies/${name}" |
441 | else | |
442 | echo "${NETWORK_CONFIG_DIR}/vpn/security-policies/${name}" | |
443 | fi | |
444 | } | |
445 | ||
6740c9c5 | 446 | # Print the content of a vpn security policy configuration file in a nice way |
3eae7bed | 447 | vpn_security_policies_show() { |
3eae7bed | 448 | assert [ $# -eq 1 ] |
6740c9c5 | 449 | |
3eae7bed JS |
450 | local name=${1} |
451 | ||
452 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
3eae7bed JS |
453 | if ! vpn_security_policies_read_config ${name}; then |
454 | return ${EXIT_ERROR} | |
455 | fi | |
456 | ||
457 | cli_print_fmt1 0 "Security Policy: ${name}" | |
458 | cli_space | |
459 | ||
460 | # This could be done in a loop but a loop is much more complicated | |
461 | # because we print 'Group Types' but the variable is named 'GROUP_TYPES' | |
462 | cli_print_fmt1 1 "Ciphers:" | |
d21db419 MT |
463 | local cipher |
464 | for cipher in ${CIPHER}; do | |
465 | cli_print_fmt1 2 "${VPN_SUPPORTED_CIPHERS[${cipher}]-${cipher}}" | |
466 | done | |
3eae7bed | 467 | cli_space |
6740c9c5 | 468 | |
3eae7bed | 469 | cli_print_fmt1 1 "Integrity:" |
f3098f76 MT |
470 | local integrity |
471 | for integrity in ${INTEGRITY}; do | |
472 | cli_print_fmt1 2 "${VPN_SUPPORTED_INTEGRITY[${integrity}]-${integrity}}" | |
473 | done | |
3eae7bed | 474 | cli_space |
6740c9c5 | 475 | |
3eae7bed | 476 | cli_print_fmt1 1 "Group Types:" |
84c1cc17 MT |
477 | local group_type |
478 | for group_type in ${GROUP_TYPE}; do | |
479 | cli_print_fmt1 2 "${VPN_SUPPORTED_GROUP_TYPES[${group_type}]-${group_type}}" | |
480 | done | |
3eae7bed JS |
481 | cli_space |
482 | ||
483 | cli_print_fmt1 1 "Key Exchange:" "${KEY_EXCHANGE}" | |
6740c9c5 MT |
484 | |
485 | # Key Lifetime | |
3eae7bed JS |
486 | if isinteger LIFETIME && [ ${LIFETIME} -gt 0 ]; then |
487 | cli_print_fmt1 1 "Key Lifetime:" "$(format_time ${LIFETIME})" | |
488 | else | |
489 | log ERROR "The value for Key Lifetime is not a valid integer greater zero." | |
490 | fi | |
6740c9c5 MT |
491 | |
492 | # PFS | |
3eae7bed JS |
493 | if enabled PFS; then |
494 | cli_print_fmt1 1 "Perfect Forward Secrecy:" "enabled" | |
495 | else | |
496 | cli_print_fmt1 1 "Perfect Forward Secrecy:" "disabled" | |
497 | fi | |
498 | cli_space | |
6740c9c5 MT |
499 | |
500 | # Compression | |
3eae7bed JS |
501 | if enabled COMPRESSION; then |
502 | cli_print_fmt1 1 "Compression:" "enabled" | |
503 | else | |
504 | cli_print_fmt1 1 "Compression:" "disabled" | |
505 | fi | |
506 | cli_space | |
507 | } | |
508 | ||
6740c9c5 MT |
509 | # This function checks if a vpn security policy exists |
510 | # Returns True when yes and false when not | |
3eae7bed | 511 | vpn_security_policy_exists() { |
3eae7bed | 512 | assert [ $# -eq 1 ] |
6740c9c5 | 513 | |
3eae7bed JS |
514 | local name=${1} |
515 | ||
6740c9c5 MT |
516 | local path=$(vpn_security_policies_path "${name}") |
517 | ||
518 | [ -f ${path} ] && return ${EXIT_TRUE} || return ${EXIT_FALSE} | |
3eae7bed JS |
519 | } |
520 | ||
521 | ||
6740c9c5 | 522 | # This function parses the parameters for the 'cipher' command |
3eae7bed | 523 | vpn_security_policies_cipher(){ |
3eae7bed JS |
524 | local name=${1} |
525 | shift | |
526 | ||
527 | if [ $# -eq 0 ]; then | |
528 | log ERROR "You must pass at least one value after cipher" | |
529 | return ${EXIT_ERROR} | |
530 | fi | |
531 | ||
532 | local CIPHER | |
3eae7bed JS |
533 | if ! vpn_security_policies_read_config ${name} "CIPHER"; then |
534 | return ${EXIT_ERROR} | |
535 | fi | |
536 | ||
537 | # Remove duplicated entries to proceed the list safely | |
538 | CIPHER="$(list_unique ${CIPHER})" | |
539 | ||
d9a6c183 MT |
540 | local ciphers_added |
541 | local ciphers_removed | |
542 | local ciphers_set | |
543 | ||
3eae7bed | 544 | while [ $# -gt 0 ]; do |
d9a6c183 MT |
545 | local arg="${1}" |
546 | ||
547 | case "${arg}" in | |
548 | +*) | |
549 | list_append ciphers_added "${arg:1}" | |
550 | ;; | |
3eae7bed | 551 | -*) |
d9a6c183 | 552 | list_append ciphers_removed "${arg:1}" |
3eae7bed | 553 | ;; |
d9a6c183 MT |
554 | [A-Z0-9]*) |
555 | list_append ciphers_set "${arg}" | |
556 | ;; | |
557 | *) | |
558 | error "Invalid argument: ${arg}" | |
559 | return ${EXIT_ERROR} | |
3eae7bed JS |
560 | ;; |
561 | esac | |
562 | shift | |
563 | done | |
564 | ||
d9a6c183 MT |
565 | # Check if the user is trying a mixed operation |
566 | if ! list_is_empty ciphers_set && (! list_is_empty ciphers_added || ! list_is_empty ciphers_removed); then | |
567 | error "You cannot reset the cipher list and add or remove ciphers at the same time" | |
568 | return ${EXIT_ERROR} | |
569 | fi | |
570 | ||
571 | # Set new cipher list | |
572 | if ! list_is_empty ciphers_set; then | |
573 | # Check if all ciphers are valid | |
574 | local cipher | |
575 | for cipher in ${ciphers_set}; do | |
576 | if ! vpn_security_policies_cipher_supported ${cipher}; then | |
577 | error "Unsupported cipher: ${cipher}" | |
578 | return ${EXIT_ERROR} | |
579 | fi | |
580 | done | |
581 | ||
6eb85c57 | 582 | CIPHER="${ciphers_set}" |
d9a6c183 MT |
583 | |
584 | # Perform incremental updates | |
3eae7bed | 585 | else |
d9a6c183 MT |
586 | local cipher |
587 | ||
588 | # Perform all removals | |
589 | for cipher in ${ciphers_removed}; do | |
590 | if ! list_remove CIPHER ${cipher}; then | |
591 | warning "${cipher} was not on the list and could not be removed" | |
592 | fi | |
593 | done | |
594 | ||
595 | for cipher in ${ciphers_added}; do | |
596 | if vpn_security_policies_cipher_supported ${cipher}; then | |
597 | if ! list_append_unique CIPHER ${cipher}; then | |
598 | warning "${cipher} is already on the cipher list" | |
599 | fi | |
600 | else | |
601 | warning "${cipher} is unknown or unsupported and could not be added" | |
602 | fi | |
603 | done | |
604 | fi | |
605 | ||
606 | # Check if the list contain at least one valid cipher | |
607 | if list_is_empty CIPHER; then | |
608 | error "Cannot save an empty cipher list" | |
3eae7bed JS |
609 | return ${EXIT_ERROR} |
610 | fi | |
d9a6c183 MT |
611 | |
612 | # Save everything | |
613 | if ! vpn_security_policies_write_config_key ${name} "CIPHER" ${CIPHER}; then | |
614 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
615 | fi | |
616 | ||
617 | cli_headline 1 "Current cipher list for ${name}:" | |
618 | for cipher in ${CIPHER}; do | |
619 | cli_print_fmt1 1 "${cipher}" "${VPN_SUPPORTED_CIPHERS[${cipher}]}" | |
620 | done | |
3eae7bed JS |
621 | } |
622 | ||
6740c9c5 | 623 | # This function parses the parameters for the 'compression' command |
3eae7bed | 624 | vpn_security_policies_compression(){ |
3eae7bed JS |
625 | local name=${1} |
626 | local value=${2} | |
627 | ||
628 | # Check if we get only one argument after compression <name> | |
629 | if [ ! $# -eq 2 ]; then | |
630 | log ERROR "The number of arguments do not match. Only one argument after compression is allowed." | |
631 | return ${EXIT_ERROR} | |
632 | fi | |
633 | ||
634 | if ! isbool value; then | |
635 | # We suggest only two values to avoid overburding the user. | |
636 | log ERROR "Invalid Argument ${value}" | |
637 | return ${EXIT_ERROR} | |
638 | fi | |
639 | ||
640 | vpn_security_policies_write_config_key "${name}" "COMPRESSION" "${value}" | |
641 | } | |
642 | ||
6740c9c5 | 643 | # This function parses the parameters for the 'group-type' command |
3eae7bed | 644 | vpn_security_policies_group_type(){ |
3eae7bed JS |
645 | local name=${1} |
646 | shift | |
647 | ||
648 | if [ $# -eq 0 ]; then | |
649 | log ERROR "You must pass at least one value after group-type" | |
650 | return ${EXIT_ERROR} | |
651 | fi | |
652 | ||
653 | local GROUP_TYPE | |
3eae7bed JS |
654 | if ! vpn_security_policies_read_config ${name} "GROUP_TYPE"; then |
655 | return ${EXIT_ERROR} | |
656 | fi | |
657 | ||
658 | # Remove duplicated entries to proceed the list safely | |
659 | GROUP_TYPE="$(list_unique ${GROUP_TYPE})" | |
660 | ||
661 | while [ $# -gt 0 ]; do | |
662 | case "${1}" in | |
663 | -*) | |
664 | value=${1#-} | |
665 | # Check if the group type is in the list of group types and | |
666 | # check if the list has after removing this group type at leatst one valid value | |
667 | if list_match ${value} ${GROUP_TYPE}; then | |
668 | list_remove GROUP_TYPE ${value} | |
669 | else | |
670 | # We do not break here because this error does not break the processing of the next maybe valid values. | |
671 | log ERROR "Can not remove ${value} from the list of group types because ${value} is not in the list." | |
672 | fi | |
673 | ;; | |
674 | +*) | |
675 | value=${1#+} | |
676 | # Check if the group type is in the list of supported group types. | |
54fc6c3f | 677 | if ! isoneof value ${!VPN_SUPPORTED_GROUP_TYPES[@]}; then |
3eae7bed JS |
678 | # We do not break here because the processing of other maybe valid values are indepent from this error. |
679 | log ERROR "${value} is not a supported group type and can thats why not added to the list of group types." | |
680 | else | |
681 | if list_match ${value} ${GROUP_TYPE}; then | |
682 | log WARNING "${value} is already in the list of group-types of this policy." | |
683 | else | |
684 | list_append GROUP_TYPE ${value} | |
685 | fi | |
686 | fi | |
687 | ;; | |
688 | esac | |
689 | shift | |
690 | done | |
691 | ||
692 | # Check if the list contain at least one valid group-type | |
693 | if [ $(list_length ${GROUP_TYPE}) -ge 1 ]; then | |
694 | if ! vpn_security_policies_write_config_key ${name} "GROUP_TYPE" ${GROUP_TYPE}; then | |
695 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
696 | fi | |
697 | else | |
698 | log ERROR "After proceding all group types the list is empty and thats why no changes are written." | |
699 | return ${EXIT_ERROR} | |
700 | fi | |
701 | } | |
6740c9c5 MT |
702 | |
703 | # This function parses the parameters for the 'integrity' command | |
3eae7bed | 704 | vpn_security_policies_integrity(){ |
3eae7bed JS |
705 | local name=${1} |
706 | shift | |
707 | ||
708 | if [ $# -eq 0 ]; then | |
709 | log ERROR "You must pass at least one value after integrity." | |
710 | return ${EXIT_ERROR} | |
711 | fi | |
712 | ||
713 | local INTEGRITY | |
3eae7bed JS |
714 | if ! vpn_security_policies_read_config ${name} "INTEGRITY"; then |
715 | return ${EXIT_ERROR} | |
716 | fi | |
717 | ||
718 | # Remove duplicated entries to proceed the list safely | |
719 | INTEGRITY="$(list_unique ${INTEGRITY})" | |
720 | ||
721 | while [ $# -gt 0 ]; do | |
722 | case "${1}" in | |
723 | -*) | |
724 | value=${1#-} | |
725 | # Check if the integrity hash is in the list of integrity hashes and | |
726 | # check if the list has after removing this integrity hash at least one valid value | |
727 | if list_match ${value} ${INTEGRITY}; then | |
728 | list_remove INTEGRITY ${value} | |
729 | else | |
730 | # We do not break here because the processing of other maybe valid values are indepent from this error. | |
731 | log ERROR "Can not remove ${value} from the list of integrity hashes because ${value} is not in the list." | |
732 | fi | |
733 | ;; | |
734 | +*) | |
735 | value=${1#+} | |
736 | # Check if the Ciphers is in the list of supported integrity hashes. | |
3a0c376c | 737 | if ! isoneof value ${!VPN_SUPPORTED_INTEGRITY[@]}; then |
3eae7bed JS |
738 | # We do not break here because the processing of other maybe valid values are indepent from this error. |
739 | log ERROR "${value} is not a supported integrity hash and can thats why not added to the list of integrity hashes." | |
740 | else | |
741 | if list_match ${value} ${INTEGRITY}; then | |
742 | log WARNING "${value} is already in the list of integrety hashes of this policy." | |
743 | else | |
744 | list_append INTEGRITY ${value} | |
745 | fi | |
746 | fi | |
747 | ;; | |
748 | esac | |
749 | shift | |
750 | done | |
751 | ||
752 | # Check if the list contain at least one valid group-type | |
753 | if [ $(list_length ${INTEGRITY}) -ge 1 ]; then | |
754 | if ! vpn_security_policies_write_config_key ${name} "INTEGRITY" ${INTEGRITY}; then | |
755 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
756 | fi | |
757 | else | |
758 | log ERROR "After proceding all integrity hashes the list is empty and thats why no changes are written." | |
759 | return ${EXIT_ERROR} | |
760 | fi | |
3eae7bed JS |
761 | } |
762 | ||
6740c9c5 | 763 | # This function parses the parameters for the 'key-exchange' command |
3eae7bed | 764 | vpn_security_policies_key_exchange() { |
3eae7bed JS |
765 | local name=${1} |
766 | local value=${2} | |
6740c9c5 | 767 | |
3eae7bed JS |
768 | # Check if we get only one argument after key-exchange <name> |
769 | if [ ! $# -eq 2 ]; then | |
770 | log ERROR "The number of arguments do not match. Only argument after key-exchange is allowed." | |
771 | return ${EXIT_ERROR} | |
772 | fi | |
773 | ||
3eae7bed JS |
774 | if ! isoneof value "ikev1" "ikev2" "IKEV1" "IKEV2"; then |
775 | log ERROR "Invalid Argument ${value}" | |
776 | return ${EXIT_ERROR} | |
777 | fi | |
778 | ||
779 | vpn_security_policies_write_config_key "${name}" "KEY_EXCHANGE" "${value,,}" | |
780 | } | |
781 | ||
6740c9c5 | 782 | # This function parses the parameters for the 'lifetime' command. |
3eae7bed | 783 | vpn_security_policies_lifetime(){ |
3eae7bed JS |
784 | local name=${1} |
785 | shift | |
6740c9c5 | 786 | |
3eae7bed JS |
787 | local value=$@ |
788 | ||
789 | # Check if we get only one argument after lifetime <name> | |
790 | if [ ! $# -ge 1 ]; then | |
791 | 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" | |
792 | return ${EXIT_ERROR} | |
793 | fi | |
794 | ||
795 | if ! isinteger value; then | |
796 | value=$(parse_time $@) | |
797 | if [ ! $? -eq 0 ]; then | |
798 | log ERROR "Parsing the passed time was not sucessful please check the passed values." | |
799 | return ${EXIT_ERROR} | |
800 | fi | |
801 | fi | |
802 | ||
803 | if [ ${value} -le 0 ]; then | |
804 | log ERROR "The passed time value must be in the sum greater zero seconds." | |
805 | return ${EXIT_ERROR} | |
806 | fi | |
807 | ||
808 | vpn_security_policies_write_config_key "${name}" "LIFETIME" "${value}" | |
809 | } | |
810 | ||
6740c9c5 | 811 | # This function parses the parameters for the 'pfs' command |
3eae7bed | 812 | vpn_security_policies_pfs(){ |
3eae7bed JS |
813 | local name=${1} |
814 | local value=${2} | |
815 | ||
816 | # Check if we get only one argument after pfs <name> | |
817 | if [ ! $# -eq 2 ]; then | |
818 | log ERROR "The number of arguments do not match. Only argument after pfs is allowed." | |
819 | return ${EXIT_ERROR} | |
820 | fi | |
821 | ||
822 | if [ ! $# -eq 2 ] || ! isbool value; then | |
823 | # We suggest only two values to avoid overburding the user. | |
824 | log ERROR "Invalid Argument ${value}" | |
825 | return ${EXIT_ERROR} | |
826 | fi | |
827 | ||
828 | vpn_security_policies_write_config_key "${name}" "PFS" "${value}" | |
829 | } | |
830 | ||
6740c9c5 MT |
831 | # This function checks if a vpn security policy name is valid |
832 | # Allowed are only A-Za-z0-9 | |
3eae7bed | 833 | vpn_security_policies_check_name() { |
3eae7bed | 834 | assert [ $# -eq 1 ] |
6740c9c5 | 835 | |
3eae7bed | 836 | local name=${1} |
6740c9c5 | 837 | |
3eae7bed JS |
838 | [[ ${name} =~ [^[:alnum:]$] ]] |
839 | } | |
840 | ||
6740c9c5 | 841 | # Function that creates based on the paramters one ore more new vpn security policies |
3eae7bed | 842 | vpn_security_policies_new() { |
58aa0edf MT |
843 | if [ $# -gt 1 ]; then |
844 | error "Too many arguments" | |
3eae7bed JS |
845 | return ${EXIT_ERROR} |
846 | fi | |
847 | ||
58aa0edf MT |
848 | local name="${1}" |
849 | if ! isset name; then | |
850 | error "Please provide a name" | |
851 | return ${EXIT_ERROR} | |
852 | fi | |
3eae7bed | 853 | |
58aa0edf MT |
854 | # Check for duplicates |
855 | if vpn_security_policy_exists "${name}"; then | |
856 | error "The VPN security policy with name ${name} already exists" | |
857 | return ${EXIT_ERROR} | |
858 | fi | |
3eae7bed | 859 | |
58aa0edf MT |
860 | # Check if name is valid |
861 | if vpn_security_policies_check_name "${name}"; then | |
862 | error "'${name}' contains illegal characters" | |
863 | return ${EXIT_ERROR} | |
864 | fi | |
3eae7bed | 865 | |
58aa0edf MT |
866 | # Check if we have a read-only policy with the same name |
867 | if vpn_security_policies_check_readonly "${name}"; then | |
868 | error "The VPN security policy ${name} is read-only" | |
869 | return ${EXIT_ERROR} | |
870 | fi | |
871 | ||
6fdbda80 MT |
872 | # Check if our source policy exists |
873 | if ! vpn_security_policy_exists "${VPN_DEFAULT_SECURITY_POLICY}"; then | |
874 | error "Default VPN Security Policy '${VPN_DEFAULT_SECURITY_POLICY}' does not exist" | |
875 | return ${EXIT_ERROR} | |
876 | fi | |
877 | ||
58aa0edf MT |
878 | log DEBUG "Creating VPN Security Policy ${name}" |
879 | ||
88013fd8 | 880 | if copy "$(vpn_security_policies_path "${VPN_DEFAULT_SECURITY_POLICY}")" \ |
aab75c48 | 881 | "$(vpn_security_policies_path ${name})"; then |
58aa0edf MT |
882 | log INFO "VPN Security Policy ${name} successfully created" |
883 | else | |
884 | log ERROR "Could not create VPN Security Policy ${name}" | |
885 | return ${EXIT_ERROR} | |
886 | fi | |
c787fea5 MT |
887 | |
888 | # Show the newly created policy | |
889 | vpn_security_policies_show "${name}" | |
3eae7bed JS |
890 | } |
891 | ||
6740c9c5 | 892 | # Function that deletes based on the passed parameters one ore more vpn security policies |
3eae7bed | 893 | vpn_security_policies_destroy() { |
3eae7bed JS |
894 | local name |
895 | for name in $@; do | |
896 | if ! vpn_security_policy_exists ${name}; then | |
897 | log ERROR "The vpn security policy ${name} does not exist." | |
898 | continue | |
899 | fi | |
900 | ||
901 | if vpn_security_policies_check_readonly ${name}; then | |
902 | log ERROR "The vpn security policy ${name} cannot be deleted." | |
903 | continue | |
904 | fi | |
905 | ||
906 | log DEBUG "Deleting vpn security policy ${name}" | |
907 | settings_remove $(vpn_security_policies_path ${name}) | |
26b47a99 MT |
908 | |
909 | # Delete cache | |
910 | rm -rf "${NETWORK_CACHE_DIR}/vpn/security-policies/${name}" | |
3eae7bed JS |
911 | done |
912 | } | |
d69af00f | 913 | |
d9a6c183 MT |
914 | vpn_security_policies_cipher_supported() { |
915 | local cipher=${1} | |
916 | ||
917 | list_match ${cipher} ${!VPN_SUPPORTED_CIPHERS[@]} | |
918 | } | |
919 | ||
0d645497 MT |
920 | vpn_security_policies_cipher_is_aead() { |
921 | local cipher=${1} | |
922 | ||
923 | # All CCM and GCM ciphers are AEAD | |
924 | string_match "[CG]CM" "${cipher}" | |
925 | } | |
926 | ||
e3ffacf7 | 927 | vpn_security_policies_make_ike_proposal() { |
d69af00f MT |
928 | local name=${1} |
929 | ||
e1947a76 MT |
930 | if ! vpn_security_policy_exists ${name}; then |
931 | return ${EXIT_ERROR} | |
932 | fi | |
933 | ||
934 | local config_path="$(vpn_security_policies_path ${name})" | |
e3ffacf7 | 935 | local cache_path="${NETWORK_CACHE_DIR}/vpn/security-policies/${name}/ike-proposal" |
e1947a76 MT |
936 | |
937 | # Get data from cache if possible | |
938 | if file_exists "${cache_path}" && ! file_is_newer_than "${config_path}" "${cache_path}"; then | |
939 | fread "${cache_path}" | |
940 | return ${EXIT_OK} | |
941 | fi | |
942 | ||
943 | # No or invalid cache data found | |
e3ffacf7 | 944 | local proposal=$(_vpn_security_policies_make_ike_proposal "${name}") |
e1947a76 MT |
945 | |
946 | # Write proposal to cache | |
947 | if ! make_parent_dir "${cache_path}" || ! fwrite "${cache_path}" "${proposal}"; then | |
948 | log WARNING "Could not write to cache: ${cache_path}" | |
949 | fi | |
950 | ||
951 | print "${proposal}" | |
952 | } | |
953 | ||
e3ffacf7 | 954 | _vpn_security_policies_make_ike_proposal() { |
e1947a76 MT |
955 | local name=${1} |
956 | ||
d69af00f MT |
957 | # Read the config settings |
958 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
959 | if ! vpn_security_policies_read_config "${name}"; then | |
960 | return ${EXIT_ERROR} | |
961 | fi | |
962 | ||
963 | local proposals | |
964 | ||
965 | local cipher | |
966 | for cipher in ${CIPHER}; do | |
967 | # Translate cipher | |
968 | local _cipher=${CIPHER_TO_STRONGSWAN[${cipher}]} | |
969 | ||
970 | if ! isset _cipher; then | |
971 | log WARN "Unsupported cipher: ${cipher}" | |
972 | continue | |
973 | fi | |
974 | ||
975 | local integrity | |
976 | for integrity in ${INTEGRITY}; do | |
977 | local _integrity=${INTEGRITY_TO_STRONGSWAN[${integrity}]} | |
978 | ||
979 | if ! isset _integrity; then | |
980 | log WARN "Unsupported integrity: ${integrity}" | |
981 | continue | |
982 | fi | |
983 | ||
984 | local group_type | |
985 | for group_type in ${GROUP_TYPE}; do | |
986 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
987 | ||
988 | if ! isset _group_type; then | |
989 | log WARN "Unsupported group-type: ${group_type}" | |
990 | continue | |
991 | fi | |
992 | ||
993 | # Put everything together | |
994 | list_append proposals "${_cipher}-${_integrity}-${_group_type}" | |
995 | done | |
996 | done | |
997 | done | |
998 | ||
999 | # Returns as a comma-separated list | |
1000 | list_join proposals , | |
1001 | } | |
0d645497 MT |
1002 | |
1003 | vpn_security_policies_make_esp_proposal() { | |
1004 | local name=${1} | |
1005 | ||
e1947a76 MT |
1006 | if ! vpn_security_policy_exists ${name}; then |
1007 | return ${EXIT_ERROR} | |
1008 | fi | |
1009 | ||
1010 | local config_path="$(vpn_security_policies_path ${name})" | |
1011 | local cache_path="${NETWORK_CACHE_DIR}/vpn/security-policies/${name}/esp-proposal" | |
1012 | ||
1013 | # Get data from cache if possible | |
1014 | if file_exists "${cache_path}" && ! file_is_newer_than "${config_path}" "${cache_path}"; then | |
1015 | fread "${cache_path}" | |
1016 | return ${EXIT_OK} | |
1017 | fi | |
1018 | ||
1019 | # No or invalid cache data found | |
1020 | local proposal=$(_vpn_security_policies_make_esp_proposal "${name}") | |
1021 | ||
1022 | # Write proposal to cache | |
1023 | if ! make_parent_dir "${cache_path}" || ! fwrite "${cache_path}" "${proposal}"; then | |
1024 | log WARNING "Could not write to cache: ${cache_path}" | |
1025 | fi | |
1026 | ||
1027 | print "${proposal}" | |
1028 | } | |
1029 | ||
1030 | _vpn_security_policies_make_esp_proposal() { | |
1031 | local name=${1} | |
1032 | ||
0d645497 MT |
1033 | # Read the config settings |
1034 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
1035 | if ! vpn_security_policies_read_config "${name}"; then | |
1036 | return ${EXIT_ERROR} | |
1037 | fi | |
1038 | ||
1039 | local proposals | |
1040 | ||
1041 | local cipher | |
1042 | for cipher in ${CIPHER}; do | |
1043 | # Translate cipher | |
1044 | local _cipher=${CIPHER_TO_STRONGSWAN[${cipher}]} | |
1045 | ||
1046 | if ! isset _cipher; then | |
1047 | log WARN "Unsupported cipher: ${cipher}" | |
1048 | continue | |
1049 | fi | |
1050 | ||
1051 | if vpn_security_policies_cipher_is_aead ${cipher}; then | |
1052 | local group_type | |
1053 | for group_type in ${GROUP_TYPE}; do | |
1054 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
1055 | ||
1056 | if ! isset _group_type; then | |
1057 | log WARN "Unsupported group-type: ${group_type}" | |
1058 | continue | |
1059 | fi | |
1060 | ||
1061 | # Put everything together | |
1062 | list_append proposals "${_cipher}-${_group_type}" | |
1063 | done | |
1064 | else | |
1065 | local integrity | |
1066 | for integrity in ${INTEGRITY}; do | |
1067 | local _integrity=${INTEGRITY_TO_STRONGSWAN[${integrity}]} | |
1068 | ||
1069 | if ! isset _integrity; then | |
1070 | log WARN "Unsupported integrity: ${integrity}" | |
1071 | continue | |
1072 | fi | |
1073 | ||
1074 | local group_type | |
1075 | for group_type in ${GROUP_TYPE}; do | |
1076 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
1077 | ||
1078 | if ! isset _group_type; then | |
1079 | log WARN "Unsupported group-type: ${group_type}" | |
1080 | continue | |
1081 | fi | |
1082 | ||
1083 | # Put everything together | |
1084 | list_append proposals "${_cipher}-${_integrity}-${_group_type}" | |
1085 | done | |
1086 | done | |
1087 | fi | |
1088 | done | |
1089 | ||
1090 | # Returns as a comma-separated list | |
1091 | list_join proposals , | |
1092 | } | |
a00e7803 JS |
1093 | |
1094 | # List all security policies | |
1095 | vpn_security_policies_list_all() { | |
1096 | local security_policy | |
1097 | for security_policy in ${NETWORK_SHARE_DIR}/vpn/security-policies/*; do | |
1098 | [ -f ${security_policy} ] || continue | |
1099 | basename ${security_policy} | |
1100 | done | |
1101 | ||
3cac4fcd MT |
1102 | # Add all user-defined policies |
1103 | vpn_security_policies_list_user | |
1104 | } | |
1105 | ||
1106 | vpn_security_policies_list_user() { | |
1107 | local security_policy | |
a00e7803 JS |
1108 | for security_policy in ${NETWORK_CONFIG_DIR}/vpn/security-policies/*; do |
1109 | [ -f ${security_policy} ] || continue | |
3cac4fcd | 1110 | |
a00e7803 JS |
1111 | basename ${security_policy} |
1112 | done | |
1113 | } |