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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 | ||
9e4b2cdc MT |
22 | VPN_SECURITY_POLICIES_CONFIG_SETTINGS="CIPHER COMPRESSION GROUP_TYPE \ |
23 | INTEGRITY PSEUDO_RANDOM_FUNCTION KEY_EXCHANGE LIFETIME PFS" | |
878cfa3e | 24 | VPN_SECURITY_POLICIES_READONLY="system performance" |
3eae7bed | 25 | |
6fdbda80 MT |
26 | VPN_DEFAULT_SECURITY_POLICY="system" |
27 | ||
b116ad92 | 28 | declare -A VPN_SUPPORTED_CIPHERS=( |
b68fed1f MT |
29 | # 3DES-CBC |
30 | [3DES-CBC]="168 bit 3DES-EDE-CBC" | |
31 | ||
32 | # AES-CBC | |
b116ad92 MT |
33 | [AES256-CBC]="256 bit AES-CBC" |
34 | [AES192-CBC]="192 bit AES-CBC" | |
35 | [AES128-CBC]="128 bit AES-CBC" | |
b68fed1f MT |
36 | |
37 | # AES-CTR | |
38 | [AES256-CTR]="256 bit AES-COUNTER" | |
39 | [AES192-CTR]="192 bit AES-COUNTER" | |
40 | [AES128-CTR]="128 bit AES-COUNTER" | |
41 | ||
42 | # AES-GCM | |
43 | [AES256-GCM128]="256 bit AES-GCM with 128 bit ICV" | |
44 | [AES192-GCM128]="192 bit AES-GCM with 128 bit ICV" | |
45 | [AES128-GCM128]="128 bit AES-GCM with 128 bit ICV" | |
46 | [AES256-GCM96]="256 bit AES-GCM with 96 bit ICV" | |
47 | [AES192-GCM96]="192 bit AES-GCM with 96 bit ICV" | |
48 | [AES128-GCM96]="128 bit AES-GCM with 96 bit ICV" | |
49 | [AES256-GCM64]="256 bit AES-GCM with 64 bit ICV" | |
50 | [AES192-GCM64]="192 bit AES-GCM with 64 bit ICV" | |
51 | [AES128-GCM64]="128 bit AES-GCM with 64 bit ICV" | |
52 | ||
53 | # AES-CCM | |
54 | [AES256-CCM128]="256 bit AES-CCM with 128 bit ICV" | |
55 | [AES192-CCM128]="192 bit AES-CCM with 128 bit ICV" | |
56 | [AES128-CCM128]="128 bit AES-CCM with 128 bit ICV" | |
57 | [AES256-CCM96]="256 bit AES-CCM with 96 bit ICV" | |
58 | [AES192-CCM96]="192 bit AES-CCM with 96 bit ICV" | |
59 | [AES128-CCM96]="128 bit AES-CCM with 96 bit ICV" | |
60 | [AES256-CCM64]="256 bit AES-CCM with 64 bit ICV" | |
61 | [AES192-CCM64]="192 bit AES-CCM with 64 bit ICV" | |
62 | [AES128-CCM64]="128 bit AES-CCM with 64 bit ICV" | |
63 | ||
64 | # CAMELLIA-CBC | |
65 | [CAMELLIA256-CBC]="256 bit CAMELLIA-CBC" | |
66 | [CAMELLIA192-CBC]="192 bit CAMELLIA-CBC" | |
67 | [CAMELLIA128-CBC]="128 bit CAMELLIA-CBC" | |
68 | ||
69 | # CAMELLIA-CTR | |
70 | [CAMELLIA256-CTR]="256 bit CAMELLIA-COUNTER" | |
71 | [CAMELLIA192-CTR]="192 bit CAMELLIA-COUNTER" | |
72 | [CAMELLIA128-CTR]="128 bit CAMELLIA-COUNTER" | |
73 | ||
74 | # CAMELLIA-GCM | |
75 | [CAMELLIA256-GCM128]="256 bit CAMELLIA-GCM with 128 bit ICV" | |
76 | [CAMELLIA192-GCM128]="192 bit CAMELLIA-GCM with 128 bit ICV" | |
77 | [CAMELLIA128-GCM128]="128 bit CAMELLIA-GCM with 128 bit ICV" | |
78 | [CAMELLIA256-GCM96]="256 bit CAMELLIA-GCM with 96 bit ICV" | |
79 | [CAMELLIA192-GCM96]="192 bit CAMELLIA-GCM with 96 bit ICV" | |
80 | [CAMELLIA128-GCM96]="128 bit CAMELLIA-GCM with 96 bit ICV" | |
81 | [CAMELLIA256-GCM64]="256 bit CAMELLIA-GCM with 64 bit ICV" | |
82 | [CAMELLIA192-GCM64]="192 bit CAMELLIA-GCM with 64 bit ICV" | |
83 | [CAMELLIA128-GCM64]="128 bit CAMELLIA-GCM with 64 bit ICV" | |
84 | ||
85 | # CAMELLIA-CCM | |
86 | [CAMELLIA256-CCM128]="256 bit CAMELLIA-CCM with 128 bit ICV" | |
87 | [CAMELLIA192-CCM128]="192 bit CAMELLIA-CCM with 128 bit ICV" | |
88 | [CAMELLIA128-CCM128]="128 bit CAMELLIA-CCM with 128 bit ICV" | |
89 | [CAMELLIA256-CCM96]="256 bit CAMELLIA-CCM with 96 bit ICV" | |
90 | [CAMELLIA192-CCM96]="192 bit CAMELLIA-CCM with 96 bit ICV" | |
91 | [CAMELLIA128-CCM96]="128 bit CAMELLIA-CCM with 96 bit ICV" | |
92 | [CAMELLIA256-CCM64]="256 bit CAMELLIA-CCM with 64 bit ICV" | |
93 | [CAMELLIA192-CCM64]="192 bit CAMELLIA-CCM with 64 bit ICV" | |
94 | [CAMELLIA128-CCM64]="128 bit CAMELLIA-CCM with 64 bit ICV" | |
d9a8af16 | 95 | |
51fa7039 MT |
96 | # DJB |
97 | [CHACHA20-POLY1305]="256 bit ChaCha20/Poly1305 with 128 bit ICV" | |
98 | ||
d9a8af16 MT |
99 | # No Encryption |
100 | [NULL]="No Encryption" | |
b116ad92 MT |
101 | ) |
102 | ||
d69af00f MT |
103 | declare -A CIPHER_TO_STRONGSWAN=( |
104 | # 3DES-CBC | |
105 | [3DES-CBC]="3des" | |
106 | ||
107 | # AES-CBC | |
108 | [AES256-CBC]="aes256" | |
109 | [AES192-CBC]="aes192" | |
110 | [AES128-CBC]="aes128" | |
111 | ||
112 | # AES-CTR | |
113 | [AES256-CTR]="aes256ctr" | |
114 | [AES192-CTR]="aes192ctr" | |
115 | [AES128-CTR]="aes128ctr" | |
116 | ||
117 | # AES-GCM | |
118 | [AES256-GCM128]="aes256gcm128" | |
119 | [AES192-GCM128]="aes192gcm128" | |
120 | [AES128-GCM128]="aes128gcm128" | |
121 | [AES256-GCM96]="aes256gcm96" | |
122 | [AES192-GCM96]="aes192gcm96" | |
123 | [AES128-GCM96]="aes128gcm96" | |
124 | [AES256-GCM64]="aes256gcm64" | |
125 | [AES192-GCM64]="aes192gcm64" | |
126 | [AES128-GCM64]="aes128gcm64" | |
127 | ||
128 | # AES-CCM | |
129 | [AES256-CCM128]="aes256ccm128" | |
130 | [AES192-CCM128]="aes192ccm128" | |
131 | [AES128-CCM128]="aes128ccm128" | |
132 | [AES256-CCM96]="aes256ccm96" | |
133 | [AES192-CCM96]="aes192ccm96" | |
134 | [AES128-CCM96]="aes128ccm96" | |
135 | [AES256-CCM64]="aes256ccm64" | |
136 | [AES192-CCM64]="aes192ccm64" | |
137 | [AES128-CCM64]="aes128ccm64" | |
138 | ||
139 | # CAMELLIA-CBC | |
140 | [CAMELLIA256-CBC]="camellia256" | |
141 | [CAMELLIA192-CBC]="camellia192" | |
142 | [CAMELLIA128-CBC]="camellia128" | |
143 | ||
144 | # CAMELLIA-CTR | |
145 | [CAMELLIA256-CTR]="camellia256ctr" | |
146 | [CAMELLIA192-CTR]="camellia192ctr" | |
147 | [CAMELLIA128-CTR]="camellia128ctr" | |
148 | ||
149 | # CAMELLIA-GCM | |
150 | [CAMELLIA256-GCM128]="camellia256gcm128" | |
151 | [CAMELLIA192-GCM128]="camellia192gcm128" | |
152 | [CAMELLIA128-GCM128]="camellia128gcm128" | |
153 | [CAMELLIA256-GCM96]="camellia256gcm96" | |
154 | [CAMELLIA192-GCM96]="camellia192gcm96" | |
155 | [CAMELLIA128-GCM96]="camellia128gcm96" | |
156 | [CAMELLIA256-GCM64]="camellia256gcm64" | |
157 | [CAMELLIA192-GCM64]="camellia192gcm64" | |
158 | [CAMELLIA128-GCM64]="camellia128gcm64" | |
159 | ||
160 | # CAMELLIA-CCM | |
161 | [CAMELLIA256-CCM128]="camellia256ccm128" | |
162 | [CAMELLIA192-CCM128]="camellia192ccm128" | |
163 | [CAMELLIA128-CCM128]="camellia128ccm128" | |
164 | [CAMELLIA256-CCM96]="camellia256ccm96" | |
165 | [CAMELLIA192-CCM96]="camellia192ccm96" | |
166 | [CAMELLIA128-CCM96]="camellia128ccm96" | |
167 | [CAMELLIA256-CCM64]="camellia256ccm64" | |
168 | [CAMELLIA192-CCM64]="camellia192ccm64" | |
169 | [CAMELLIA128-CCM64]="camellia128ccm64" | |
d9a8af16 | 170 | |
51fa7039 MT |
171 | # DJB |
172 | [CHACHA20-POLY1305]="chacha20poly1305" | |
173 | ||
d9a8af16 MT |
174 | # No Encryption |
175 | [NULL]="null" | |
d69af00f MT |
176 | ) |
177 | ||
9e4b2cdc MT |
178 | declare -A VPN_SUPPORTED_PSEUDO_RANDOM_FUNCTION=( |
179 | [MD5]="MD5" | |
180 | ||
181 | # SHA | |
182 | [SHA1]="SHA1" | |
183 | [SHA256]="SHA256" | |
184 | [SHA384]="SHA384" | |
185 | [SHA512]="SHA512" | |
186 | ||
187 | # AES | |
188 | [AES-XCBC]="AES-XCBC" | |
189 | [AES-CMAC]="AES-CMAC" | |
190 | ) | |
191 | ||
192 | declare -A PSEUDO_RANDOM_FUNCTION_TO_STRONGSWAN=( | |
193 | [MD5]="prfmd5" | |
194 | ||
195 | # SHA | |
196 | [SHA1]="prfsha1" | |
197 | [SHA256]="prfsha256" | |
198 | [SHA384]="prfsha384" | |
199 | [SHA512]="prfsha512" | |
200 | ||
201 | # AES | |
202 | [AES-XCBC]="prfaesxcbc" | |
203 | [AES-CMAC]="prfaescmac" | |
204 | ) | |
205 | ||
3a0c376c MT |
206 | declare -A VPN_SUPPORTED_INTEGRITY=( |
207 | [MD5]="MD5-HMAC" | |
208 | ||
209 | # SHA | |
210 | [SHA1]="SHA1-HMAC" | |
3003747b | 211 | [SHA512]="512 bit SHA2-HMAC" |
3a0c376c MT |
212 | [SHA384]="384 bit SHA2-HMAC" |
213 | [SHA256]="256 bit SHA2-HMAC" | |
214 | ||
215 | # AES | |
216 | [AES-XCBC]="AES-XCBC" | |
217 | [AES-CMAC]="AES-CMAC" | |
218 | [AES256-GMAC]="256 bit AES-GMAC" | |
219 | [AES192-GMAC]="192 bit AES-GMAC" | |
220 | [AES128-GMAC]="128 bit AES-GMAC" | |
221 | ) | |
222 | ||
d69af00f MT |
223 | declare -A INTEGRITY_TO_STRONGSWAN=( |
224 | [MD5]="md5" | |
225 | ||
226 | # SHA | |
227 | [SHA1]="sha1" | |
228 | [SHA512]="sha512" | |
229 | [SHA384]="sha384" | |
230 | [SHA256]="sha256" | |
231 | ||
232 | # AES | |
233 | [AES-XCBC]="aesxcbc" | |
234 | [AES-CMAC]="aescmac" | |
235 | [AES256-GMAC]="aes256gmac" | |
236 | [AES192-GMAC]="aes192gmac" | |
237 | [AES128-GMAC]="aes128gmac" | |
238 | ) | |
239 | ||
54fc6c3f MT |
240 | declare -A VPN_SUPPORTED_GROUP_TYPES=( |
241 | # Regular Groups | |
242 | [MODP768]="768 bit Modulo Prime Group" | |
243 | [MODP1024]="1024 bit Modulo Prime Group" | |
244 | [MODP1536]="1536 bit Modulo Prime Group" | |
245 | [MODP2048]="2048 bit Modulo Prime Group" | |
246 | [MODP3072]="3072 bit Modulo Prime Group" | |
247 | [MODP4096]="4096 bit Modulo Prime Group" | |
248 | [MODP6144]="6144 bit Modulo Prime Group" | |
249 | [MODP8192]="8192 bit Modulo Prime Group" | |
250 | ||
251 | # NIST Elliptic Curve Groups | |
252 | [ECP192]="192 bit NIST Elliptic Curve Group" | |
253 | [ECP224]="224 bit NIST Elliptic Curve Group" | |
254 | [ECP256]="256 bit NIST Elliptic Curve Group" | |
255 | [ECP384]="384 bit NIST Elliptic Curve Group" | |
256 | [ECP521]="521 bit NIST Elliptic Curve Group" | |
257 | ||
258 | # Brainpool Elliptic Curve Groups | |
259 | [ECP224BP]="224 bit Brainpool Elliptic Curve Group" | |
260 | [ECP256BP]="256 bit Brainpool Elliptic Curve Group" | |
261 | [ECP384BP]="384 bit Brainpool Elliptic Curve Group" | |
262 | [ECP512BP]="512 bit Brainpool Elliptic Curve Group" | |
263 | ||
264 | # Curve25519 | |
265 | [CURVE25519]="256 bit Elliptic Curve 25519" | |
266 | ) | |
3eae7bed | 267 | |
d69af00f MT |
268 | declare -A GROUP_TYPE_TO_STRONGSWAN=( |
269 | # Regular Groups | |
270 | [MODP768]="modp768" | |
271 | [MODP1024]="modp1024" | |
272 | [MODP1536]="modp1536" | |
273 | [MODP2048]="modp2048" | |
274 | [MODP3072]="modp3072" | |
275 | [MODP4096]="modp4096" | |
276 | [MODP6144]="modp6144" | |
277 | [MODP8192]="modp8192" | |
278 | ||
279 | # NIST Elliptic Curve Groups | |
280 | [ECP192]="ecp192" | |
281 | [ECP224]="ecp224" | |
282 | [ECP256]="ecp256" | |
283 | [ECP384]="ecp384" | |
284 | [ECP521]="ecp521" | |
285 | ||
286 | # Brainpool Elliptic Curve Groups | |
287 | [ECP224BP]="ecp224bp" | |
288 | [ECP256BP]="ecp256bp" | |
289 | [ECP384BP]="ecp384bp" | |
290 | [ECP512BP]="ecp512bp" | |
291 | ||
292 | # Curve25519 | |
293 | [CURVE25519]="curve25519" | |
294 | ) | |
295 | ||
2da98f56 MT |
296 | cli_vpn_security_policies() { |
297 | local action | |
298 | local security_policy | |
299 | ||
300 | if vpn_security_policy_exists ${1}; then | |
301 | security_policy=${1} | |
302 | key=${2} | |
303 | shift 2 | |
304 | ||
305 | case "${key}" in | |
306 | cipher|compression|integrity|lifetime|pfs|show) | |
2212045f | 307 | vpn_security_policies_${key} ${security_policy} "$@" |
2da98f56 MT |
308 | ;; |
309 | group-type) | |
2212045f | 310 | vpn_security_policies_group_type ${security_policy} "$@" |
2da98f56 MT |
311 | ;; |
312 | key-exchange) | |
2212045f | 313 | vpn_security_policies_key_exchange ${security_policy} "$@" |
2da98f56 MT |
314 | ;; |
315 | *) | |
316 | error "Unrecognized argument: ${key}" | |
317 | exit ${EXIT_ERROR} | |
318 | ;; | |
319 | esac | |
320 | else | |
321 | action=${1} | |
322 | shift | |
323 | ||
324 | case "${action}" in | |
325 | new) | |
2212045f | 326 | vpn_security_policies_new "$@" |
2da98f56 MT |
327 | ;; |
328 | destroy) | |
2212045f | 329 | vpn_security_policies_destroy "$@" |
2da98f56 MT |
330 | ;; |
331 | ""|*) | |
332 | if [ -n "${action}" ]; then | |
333 | error "Unrecognized argument: '${action}'" | |
334 | fi | |
335 | exit ${EXIT_ERROR} | |
336 | ;; | |
337 | esac | |
338 | fi | |
339 | } | |
340 | ||
6740c9c5 MT |
341 | # This functions checks if a policy is readonly |
342 | # returns true when yes and false when no | |
3eae7bed | 343 | vpn_security_policies_check_readonly() { |
3eae7bed JS |
344 | if isoneof name ${VPN_SECURITY_POLICIES_READONLY}; then |
345 | return ${EXIT_TRUE} | |
346 | else | |
347 | return ${EXIT_FALSE} | |
348 | fi | |
349 | } | |
350 | ||
6740c9c5 | 351 | # This function writes all values to a via ${name} specificated vpn security policy configuration file |
3eae7bed | 352 | vpn_security_policies_write_config() { |
3eae7bed JS |
353 | assert [ $# -ge 1 ] |
354 | ||
355 | local name="${1}" | |
356 | ||
6740c9c5 | 357 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
358 | log ERROR "No such vpn security policy: ${name}" |
359 | return ${EXIT_ERROR} | |
360 | fi | |
361 | ||
6740c9c5 | 362 | if vpn_security_policies_check_readonly "${name}"; then |
3eae7bed JS |
363 | log ERROR "The ${name} vpn security policy cannot be changed." |
364 | return ${EXIT_ERROR} | |
365 | fi | |
366 | ||
6740c9c5 | 367 | local path="$(vpn_security_policies_path "${name}")" |
3eae7bed JS |
368 | if [ ! -w ${path} ]; then |
369 | log ERROR "${path} is not writeable" | |
370 | return ${EXIT_ERROR} | |
371 | fi | |
372 | ||
373 | if ! settings_write "${path}" ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS}; then | |
374 | log ERROR "Could not write configuration settings for vpn security policy ${name}" | |
375 | return ${EXIT_ERROR} | |
376 | fi | |
377 | ||
f0e91d26 JS |
378 | if ! vpn_security_policies_reload ${name}; then |
379 | log WARNING "Could not reload the IPsec connection using this security policy" | |
380 | return ${EXIT_ERROR} | |
381 | fi | |
382 | } | |
383 | ||
384 | # reload IPsec connections using a special policy | |
385 | vpn_security_policies_reload() { | |
386 | local name=${1} | |
387 | ||
388 | local connection | |
389 | for connection in $(ipsec_list_connections); do | |
5601f4f5 JS |
390 | local SECURITY_POLICY ENABLED |
391 | ||
f0e91d26 JS |
392 | if ! ipsec_connection_read_config "${connection}" "SECURITY_POLICY"; then |
393 | continue | |
394 | fi | |
395 | ||
5601f4f5 | 396 | if [[ "${SECURITY_POLICY}" = "${name}" ]] && enabled ENABLED; then |
f0e91d26 JS |
397 | if ! ipsec_connection_to_strongswan "${connection}"; then |
398 | log ERROR "Could not generate strongswan config for ${connnection}" | |
399 | fi | |
400 | fi | |
401 | done | |
402 | ||
403 | ipsec_strongswan_load | |
3eae7bed JS |
404 | } |
405 | ||
6740c9c5 | 406 | # This funtion writes the value for one key to a via ${name} specificated vpn security policy configuration file |
3eae7bed | 407 | vpn_security_policies_write_config_key() { |
3eae7bed | 408 | assert [ $# -ge 3 ] |
6740c9c5 | 409 | |
3eae7bed JS |
410 | local name=${1} |
411 | local key=${2} | |
412 | shift 2 | |
6740c9c5 | 413 | |
3eae7bed JS |
414 | local value="$@" |
415 | ||
6740c9c5 | 416 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
417 | log ERROR "No such vpn security policy: ${name}" |
418 | return ${EXIT_ERROR} | |
419 | fi | |
420 | ||
421 | log DEBUG "Set '${key}' to new value '${value}' in vpn security policy ${name}" | |
422 | ||
423 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
424 | ||
425 | # Read the config settings | |
6740c9c5 | 426 | if ! vpn_security_policies_read_config "${name}"; then |
3eae7bed JS |
427 | return ${EXIT_ERROR} |
428 | fi | |
429 | ||
430 | # Set the key to a new value | |
431 | assign "${key}" "${value}" | |
432 | ||
6740c9c5 | 433 | if ! vpn_security_policies_write_config "${name}"; then |
3eae7bed JS |
434 | return ${EXIT_ERROR} |
435 | fi | |
436 | ||
437 | return ${EXIT_TRUE} | |
3eae7bed JS |
438 | } |
439 | ||
6740c9c5 | 440 | # Reads one or more keys out of a settings file or all if no key is provided. |
3eae7bed | 441 | vpn_security_policies_read_config() { |
3eae7bed JS |
442 | assert [ $# -ge 1 ] |
443 | ||
444 | local name="${1}" | |
445 | shift 1 | |
446 | ||
6740c9c5 | 447 | if ! vpn_security_policy_exists "${name}"; then |
3eae7bed JS |
448 | log ERROR "No such vpn security policy: ${name}" |
449 | return ${EXIT_ERROR} | |
450 | fi | |
451 | ||
452 | ||
453 | local args | |
454 | if [ $# -eq 0 ] && [ -n "${VPN_SECURITY_POLICIES_CONFIG_SETTINGS}" ]; then | |
455 | list_append args ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
456 | else | |
2212045f | 457 | list_append args "$@" |
3eae7bed JS |
458 | fi |
459 | ||
460 | local path="$(vpn_security_policies_path ${name})" | |
461 | ||
462 | if ! settings_read "${path}" ${args}; then | |
463 | log ERROR "Could not read settings for vpn security policy ${name}" | |
464 | return ${EXIT_ERROR} | |
465 | fi | |
466 | } | |
467 | ||
6740c9c5 | 468 | # Returns the path to a the configuration fora given name |
3eae7bed | 469 | vpn_security_policies_path() { |
3eae7bed | 470 | assert [ $# -eq 1 ] |
6740c9c5 | 471 | |
3eae7bed JS |
472 | local name=${1} |
473 | ||
6740c9c5 | 474 | if vpn_security_policies_check_readonly "${name}"; then |
3eae7bed JS |
475 | echo "${NETWORK_SHARE_DIR}/vpn/security-policies/${name}" |
476 | else | |
477 | echo "${NETWORK_CONFIG_DIR}/vpn/security-policies/${name}" | |
478 | fi | |
479 | } | |
480 | ||
6740c9c5 | 481 | # Print the content of a vpn security policy configuration file in a nice way |
3eae7bed | 482 | vpn_security_policies_show() { |
3eae7bed | 483 | assert [ $# -eq 1 ] |
6740c9c5 | 484 | |
3eae7bed JS |
485 | local name=${1} |
486 | ||
487 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
3eae7bed JS |
488 | if ! vpn_security_policies_read_config ${name}; then |
489 | return ${EXIT_ERROR} | |
490 | fi | |
491 | ||
492 | cli_print_fmt1 0 "Security Policy: ${name}" | |
493 | cli_space | |
494 | ||
495 | # This could be done in a loop but a loop is much more complicated | |
496 | # because we print 'Group Types' but the variable is named 'GROUP_TYPES' | |
497 | cli_print_fmt1 1 "Ciphers:" | |
d21db419 MT |
498 | local cipher |
499 | for cipher in ${CIPHER}; do | |
500 | cli_print_fmt1 2 "${VPN_SUPPORTED_CIPHERS[${cipher}]-${cipher}}" | |
501 | done | |
3eae7bed | 502 | cli_space |
6740c9c5 | 503 | |
3eae7bed | 504 | cli_print_fmt1 1 "Integrity:" |
f3098f76 MT |
505 | local integrity |
506 | for integrity in ${INTEGRITY}; do | |
507 | cli_print_fmt1 2 "${VPN_SUPPORTED_INTEGRITY[${integrity}]-${integrity}}" | |
508 | done | |
3eae7bed | 509 | cli_space |
6740c9c5 | 510 | |
3eae7bed | 511 | cli_print_fmt1 1 "Group Types:" |
84c1cc17 MT |
512 | local group_type |
513 | for group_type in ${GROUP_TYPE}; do | |
514 | cli_print_fmt1 2 "${VPN_SUPPORTED_GROUP_TYPES[${group_type}]-${group_type}}" | |
515 | done | |
3eae7bed JS |
516 | cli_space |
517 | ||
518 | cli_print_fmt1 1 "Key Exchange:" "${KEY_EXCHANGE}" | |
6740c9c5 MT |
519 | |
520 | # Key Lifetime | |
3eae7bed JS |
521 | if isinteger LIFETIME && [ ${LIFETIME} -gt 0 ]; then |
522 | cli_print_fmt1 1 "Key Lifetime:" "$(format_time ${LIFETIME})" | |
523 | else | |
524 | log ERROR "The value for Key Lifetime is not a valid integer greater zero." | |
525 | fi | |
6740c9c5 MT |
526 | |
527 | # PFS | |
3eae7bed JS |
528 | if enabled PFS; then |
529 | cli_print_fmt1 1 "Perfect Forward Secrecy:" "enabled" | |
530 | else | |
531 | cli_print_fmt1 1 "Perfect Forward Secrecy:" "disabled" | |
532 | fi | |
533 | cli_space | |
6740c9c5 MT |
534 | |
535 | # Compression | |
3eae7bed JS |
536 | if enabled COMPRESSION; then |
537 | cli_print_fmt1 1 "Compression:" "enabled" | |
538 | else | |
539 | cli_print_fmt1 1 "Compression:" "disabled" | |
540 | fi | |
541 | cli_space | |
542 | } | |
543 | ||
6740c9c5 MT |
544 | # This function checks if a vpn security policy exists |
545 | # Returns True when yes and false when not | |
3eae7bed | 546 | vpn_security_policy_exists() { |
3eae7bed | 547 | assert [ $# -eq 1 ] |
6740c9c5 | 548 | |
3eae7bed JS |
549 | local name=${1} |
550 | ||
6740c9c5 MT |
551 | local path=$(vpn_security_policies_path "${name}") |
552 | ||
553 | [ -f ${path} ] && return ${EXIT_TRUE} || return ${EXIT_FALSE} | |
3eae7bed JS |
554 | } |
555 | ||
556 | ||
6740c9c5 | 557 | # This function parses the parameters for the 'cipher' command |
3eae7bed | 558 | vpn_security_policies_cipher(){ |
3eae7bed JS |
559 | local name=${1} |
560 | shift | |
561 | ||
562 | if [ $# -eq 0 ]; then | |
563 | log ERROR "You must pass at least one value after cipher" | |
564 | return ${EXIT_ERROR} | |
565 | fi | |
566 | ||
567 | local CIPHER | |
3eae7bed JS |
568 | if ! vpn_security_policies_read_config ${name} "CIPHER"; then |
569 | return ${EXIT_ERROR} | |
570 | fi | |
571 | ||
572 | # Remove duplicated entries to proceed the list safely | |
573 | CIPHER="$(list_unique ${CIPHER})" | |
574 | ||
d9a6c183 MT |
575 | local ciphers_added |
576 | local ciphers_removed | |
577 | local ciphers_set | |
578 | ||
3eae7bed | 579 | while [ $# -gt 0 ]; do |
d9a6c183 MT |
580 | local arg="${1}" |
581 | ||
582 | case "${arg}" in | |
583 | +*) | |
584 | list_append ciphers_added "${arg:1}" | |
585 | ;; | |
3eae7bed | 586 | -*) |
d9a6c183 | 587 | list_append ciphers_removed "${arg:1}" |
3eae7bed | 588 | ;; |
d9a6c183 MT |
589 | [A-Z0-9]*) |
590 | list_append ciphers_set "${arg}" | |
591 | ;; | |
592 | *) | |
593 | error "Invalid argument: ${arg}" | |
594 | return ${EXIT_ERROR} | |
3eae7bed JS |
595 | ;; |
596 | esac | |
597 | shift | |
598 | done | |
599 | ||
d9a6c183 MT |
600 | # Check if the user is trying a mixed operation |
601 | if ! list_is_empty ciphers_set && (! list_is_empty ciphers_added || ! list_is_empty ciphers_removed); then | |
602 | error "You cannot reset the cipher list and add or remove ciphers at the same time" | |
603 | return ${EXIT_ERROR} | |
604 | fi | |
605 | ||
606 | # Set new cipher list | |
607 | if ! list_is_empty ciphers_set; then | |
608 | # Check if all ciphers are valid | |
609 | local cipher | |
610 | for cipher in ${ciphers_set}; do | |
611 | if ! vpn_security_policies_cipher_supported ${cipher}; then | |
612 | error "Unsupported cipher: ${cipher}" | |
613 | return ${EXIT_ERROR} | |
614 | fi | |
615 | done | |
616 | ||
6eb85c57 | 617 | CIPHER="${ciphers_set}" |
d9a6c183 MT |
618 | |
619 | # Perform incremental updates | |
3eae7bed | 620 | else |
d9a6c183 MT |
621 | local cipher |
622 | ||
623 | # Perform all removals | |
624 | for cipher in ${ciphers_removed}; do | |
625 | if ! list_remove CIPHER ${cipher}; then | |
626 | warning "${cipher} was not on the list and could not be removed" | |
627 | fi | |
628 | done | |
629 | ||
630 | for cipher in ${ciphers_added}; do | |
631 | if vpn_security_policies_cipher_supported ${cipher}; then | |
632 | if ! list_append_unique CIPHER ${cipher}; then | |
633 | warning "${cipher} is already on the cipher list" | |
634 | fi | |
635 | else | |
636 | warning "${cipher} is unknown or unsupported and could not be added" | |
637 | fi | |
638 | done | |
639 | fi | |
640 | ||
641 | # Check if the list contain at least one valid cipher | |
642 | if list_is_empty CIPHER; then | |
643 | error "Cannot save an empty cipher list" | |
3eae7bed JS |
644 | return ${EXIT_ERROR} |
645 | fi | |
d9a6c183 MT |
646 | |
647 | # Save everything | |
648 | if ! vpn_security_policies_write_config_key ${name} "CIPHER" ${CIPHER}; then | |
649 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
650 | fi | |
651 | ||
652 | cli_headline 1 "Current cipher list for ${name}:" | |
653 | for cipher in ${CIPHER}; do | |
654 | cli_print_fmt1 1 "${cipher}" "${VPN_SUPPORTED_CIPHERS[${cipher}]}" | |
655 | done | |
3eae7bed JS |
656 | } |
657 | ||
6740c9c5 | 658 | # This function parses the parameters for the 'compression' command |
3eae7bed | 659 | vpn_security_policies_compression(){ |
3eae7bed JS |
660 | local name=${1} |
661 | local value=${2} | |
662 | ||
663 | # Check if we get only one argument after compression <name> | |
664 | if [ ! $# -eq 2 ]; then | |
665 | log ERROR "The number of arguments do not match. Only one argument after compression is allowed." | |
666 | return ${EXIT_ERROR} | |
667 | fi | |
668 | ||
669 | if ! isbool value; then | |
670 | # We suggest only two values to avoid overburding the user. | |
671 | log ERROR "Invalid Argument ${value}" | |
672 | return ${EXIT_ERROR} | |
673 | fi | |
674 | ||
675 | vpn_security_policies_write_config_key "${name}" "COMPRESSION" "${value}" | |
676 | } | |
677 | ||
6740c9c5 | 678 | # This function parses the parameters for the 'group-type' command |
3eae7bed | 679 | vpn_security_policies_group_type(){ |
3eae7bed JS |
680 | local name=${1} |
681 | shift | |
682 | ||
683 | if [ $# -eq 0 ]; then | |
684 | log ERROR "You must pass at least one value after group-type" | |
685 | return ${EXIT_ERROR} | |
686 | fi | |
687 | ||
688 | local GROUP_TYPE | |
3eae7bed JS |
689 | if ! vpn_security_policies_read_config ${name} "GROUP_TYPE"; then |
690 | return ${EXIT_ERROR} | |
691 | fi | |
692 | ||
693 | # Remove duplicated entries to proceed the list safely | |
694 | GROUP_TYPE="$(list_unique ${GROUP_TYPE})" | |
695 | ||
1b58f970 JS |
696 | local group_types_added |
697 | local group_types_removed | |
698 | local group_types_set | |
699 | ||
3eae7bed | 700 | while [ $# -gt 0 ]; do |
1b58f970 JS |
701 | local arg="${1}" |
702 | ||
703 | case "${arg}" in | |
704 | +*) | |
705 | list_append group_types_added "${arg:1}" | |
706 | ;; | |
3eae7bed | 707 | -*) |
1b58f970 | 708 | list_append group_types_removed "${arg:1}" |
3eae7bed | 709 | ;; |
1b58f970 JS |
710 | [A-Z0-9]*) |
711 | list_append group_types_set "${arg}" | |
712 | ;; | |
713 | *) | |
714 | error "Invalid argument: ${arg}" | |
715 | return ${EXIT_ERROR} | |
3eae7bed JS |
716 | ;; |
717 | esac | |
718 | shift | |
719 | done | |
720 | ||
1b58f970 JS |
721 | # Check if the user is trying a mixed operation |
722 | if ! list_is_empty group_types_set && (! list_is_empty group_types_added || ! list_is_empty group_types_removed); then | |
723 | error "You cannot reset the group type list and add or remove group types at the same time" | |
724 | return ${EXIT_ERROR} | |
725 | fi | |
726 | ||
727 | # Set new group type list | |
728 | if ! list_is_empty group_types_set; then | |
729 | # Check if all group types are valid | |
730 | local group_type | |
731 | for group_type in ${group_types_set}; do | |
732 | if ! vpn_security_policies_group_type_supported ${group_type}; then | |
733 | error "Unsupported group type: ${group_type}" | |
734 | return ${EXIT_ERROR} | |
735 | fi | |
736 | done | |
737 | ||
738 | GROUP_TYPE="${group_types_set}" | |
739 | ||
740 | # Perform incremental updates | |
3eae7bed | 741 | else |
1b58f970 JS |
742 | local group_type |
743 | ||
744 | # Perform all removals | |
745 | for group_type in ${group_types_removed}; do | |
746 | if ! list_remove GROUP_TYPE ${group_type}; then | |
747 | warning "${group_type} was not on the list and could not be removed" | |
748 | fi | |
749 | done | |
750 | ||
751 | for group_type in ${group_types_added}; do | |
752 | if vpn_security_policies_group_type_supported ${group_type}; then | |
753 | if ! list_append_unique GROUP_TYPE ${group_type}; then | |
754 | warning "${group_type} is already on the group type list" | |
755 | fi | |
756 | else | |
757 | warning "${group_type} is unknown or unsupported and could not be added" | |
758 | fi | |
759 | done | |
760 | fi | |
761 | ||
762 | # Check if the list contain at least one valid group_type | |
763 | if list_is_empty GROUP_TYPE; then | |
764 | error "Cannot save an empty group type list" | |
3eae7bed JS |
765 | return ${EXIT_ERROR} |
766 | fi | |
1b58f970 JS |
767 | |
768 | # Save everything | |
769 | if ! vpn_security_policies_write_config_key ${name} "GROUP_TYPE" ${GROUP_TYPE}; then | |
770 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
771 | fi | |
772 | ||
773 | cli_headline 1 "Current group type list for ${name}:" | |
774 | for group_type in ${GROUP_TYPE}; do | |
775 | cli_print_fmt1 1 "${group_type}" "${VPN_SUPPORTED_GROUP_TYPES[${group_type}]}" | |
776 | done | |
3eae7bed | 777 | } |
6740c9c5 MT |
778 | |
779 | # This function parses the parameters for the 'integrity' command | |
3eae7bed | 780 | vpn_security_policies_integrity(){ |
3eae7bed JS |
781 | local name=${1} |
782 | shift | |
783 | ||
784 | if [ $# -eq 0 ]; then | |
1b58f970 | 785 | log ERROR "You must pass at least one value after integrity" |
3eae7bed JS |
786 | return ${EXIT_ERROR} |
787 | fi | |
788 | ||
789 | local INTEGRITY | |
3eae7bed JS |
790 | if ! vpn_security_policies_read_config ${name} "INTEGRITY"; then |
791 | return ${EXIT_ERROR} | |
792 | fi | |
793 | ||
794 | # Remove duplicated entries to proceed the list safely | |
795 | INTEGRITY="$(list_unique ${INTEGRITY})" | |
796 | ||
1b58f970 JS |
797 | local integritys_added |
798 | local integritys_removed | |
799 | local integritys_set | |
800 | ||
3eae7bed | 801 | while [ $# -gt 0 ]; do |
1b58f970 JS |
802 | local arg="${1}" |
803 | ||
804 | case "${arg}" in | |
805 | +*) | |
806 | list_append integritys_added "${arg:1}" | |
807 | ;; | |
3eae7bed | 808 | -*) |
1b58f970 | 809 | list_append integritys_removed "${arg:1}" |
3eae7bed | 810 | ;; |
1b58f970 JS |
811 | [A-Z0-9]*) |
812 | list_append integritys_set "${arg}" | |
813 | ;; | |
814 | *) | |
815 | error "Invalid argument: ${arg}" | |
816 | return ${EXIT_ERROR} | |
3eae7bed JS |
817 | ;; |
818 | esac | |
819 | shift | |
820 | done | |
821 | ||
1b58f970 JS |
822 | # Check if the user is trying a mixed operation |
823 | if ! list_is_empty integritys_set && (! list_is_empty integritys_added || ! list_is_empty integritys_removed); then | |
824 | error "You cannot reset the integrity hashes list and add or remove integrity hashes at the same time" | |
825 | return ${EXIT_ERROR} | |
826 | fi | |
827 | ||
828 | # Set new integrity list | |
829 | if ! list_is_empty integritys_set; then | |
830 | # Check if all integrity hashes are valid | |
831 | local integrity | |
832 | for integrity in ${integritys_set}; do | |
833 | if ! vpn_security_policies_integrity_supported ${integrity}; then | |
834 | error "Unsupported integrity hash: ${integrity}" | |
835 | return ${EXIT_ERROR} | |
836 | fi | |
837 | done | |
838 | ||
839 | INTEGRITY="${integritys_set}" | |
840 | ||
841 | # Perform incremental updates | |
3eae7bed | 842 | else |
1b58f970 JS |
843 | local integrity |
844 | ||
845 | # Perform all removals | |
846 | for integrity in ${integritys_removed}; do | |
847 | if ! list_remove INTEGRITY ${integrity}; then | |
848 | warning "${integrity} was not on the list and could not be removed" | |
849 | fi | |
850 | done | |
851 | ||
852 | for integrity in ${integritys_added}; do | |
853 | if vpn_security_policies_integrity_supported ${integrity}; then | |
854 | if ! list_append_unique INTEGRITY ${integrity}; then | |
855 | warning "${integrity} is already on the integrity list" | |
856 | fi | |
857 | else | |
858 | warning "${integrity} is unknown or unsupported and could not be added" | |
859 | fi | |
860 | done | |
861 | fi | |
862 | ||
863 | # Check if the list contain at least one valid integrity | |
864 | if list_is_empty INTEGRITY; then | |
865 | error "Cannot save an empty integrity hashes list" | |
3eae7bed JS |
866 | return ${EXIT_ERROR} |
867 | fi | |
1b58f970 JS |
868 | |
869 | # Save everything | |
870 | if ! vpn_security_policies_write_config_key ${name} "INTEGRITY" ${INTEGRITY}; then | |
871 | log ERROR "The changes for the vpn security policy ${name} could not be written." | |
872 | fi | |
873 | ||
874 | cli_headline 1 "Current integrity hashes list for ${name}:" | |
875 | for integrity in ${INTEGRITY}; do | |
876 | cli_print_fmt1 1 "${integrity}" "${VPN_SUPPORTED_INTEGRITY[${integrity}]}" | |
877 | done | |
3eae7bed JS |
878 | } |
879 | ||
6740c9c5 | 880 | # This function parses the parameters for the 'key-exchange' command |
3eae7bed | 881 | vpn_security_policies_key_exchange() { |
3eae7bed JS |
882 | local name=${1} |
883 | local value=${2} | |
6740c9c5 | 884 | |
3eae7bed JS |
885 | # Check if we get only one argument after key-exchange <name> |
886 | if [ ! $# -eq 2 ]; then | |
887 | log ERROR "The number of arguments do not match. Only argument after key-exchange is allowed." | |
888 | return ${EXIT_ERROR} | |
889 | fi | |
890 | ||
3eae7bed JS |
891 | if ! isoneof value "ikev1" "ikev2" "IKEV1" "IKEV2"; then |
892 | log ERROR "Invalid Argument ${value}" | |
893 | return ${EXIT_ERROR} | |
894 | fi | |
895 | ||
896 | vpn_security_policies_write_config_key "${name}" "KEY_EXCHANGE" "${value,,}" | |
897 | } | |
898 | ||
6740c9c5 | 899 | # This function parses the parameters for the 'lifetime' command. |
3eae7bed | 900 | vpn_security_policies_lifetime(){ |
3eae7bed JS |
901 | local name=${1} |
902 | shift | |
6740c9c5 | 903 | |
3eae7bed JS |
904 | local value=$@ |
905 | ||
906 | # Check if we get only one argument after lifetime <name> | |
907 | if [ ! $# -ge 1 ]; then | |
908 | 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" | |
909 | return ${EXIT_ERROR} | |
910 | fi | |
911 | ||
912 | if ! isinteger value; then | |
2212045f | 913 | value=$(parse_time "$@") |
3eae7bed JS |
914 | if [ ! $? -eq 0 ]; then |
915 | log ERROR "Parsing the passed time was not sucessful please check the passed values." | |
916 | return ${EXIT_ERROR} | |
917 | fi | |
918 | fi | |
919 | ||
920 | if [ ${value} -le 0 ]; then | |
921 | log ERROR "The passed time value must be in the sum greater zero seconds." | |
922 | return ${EXIT_ERROR} | |
923 | fi | |
924 | ||
925 | vpn_security_policies_write_config_key "${name}" "LIFETIME" "${value}" | |
926 | } | |
927 | ||
6740c9c5 | 928 | # This function parses the parameters for the 'pfs' command |
3eae7bed | 929 | vpn_security_policies_pfs(){ |
3eae7bed JS |
930 | local name=${1} |
931 | local value=${2} | |
932 | ||
933 | # Check if we get only one argument after pfs <name> | |
934 | if [ ! $# -eq 2 ]; then | |
935 | log ERROR "The number of arguments do not match. Only argument after pfs is allowed." | |
936 | return ${EXIT_ERROR} | |
937 | fi | |
938 | ||
939 | if [ ! $# -eq 2 ] || ! isbool value; then | |
940 | # We suggest only two values to avoid overburding the user. | |
941 | log ERROR "Invalid Argument ${value}" | |
942 | return ${EXIT_ERROR} | |
943 | fi | |
944 | ||
945 | vpn_security_policies_write_config_key "${name}" "PFS" "${value}" | |
946 | } | |
947 | ||
6740c9c5 MT |
948 | # This function checks if a vpn security policy name is valid |
949 | # Allowed are only A-Za-z0-9 | |
3eae7bed | 950 | vpn_security_policies_check_name() { |
3eae7bed | 951 | assert [ $# -eq 1 ] |
6740c9c5 | 952 | |
3eae7bed | 953 | local name=${1} |
6740c9c5 | 954 | |
3eae7bed JS |
955 | [[ ${name} =~ [^[:alnum:]$] ]] |
956 | } | |
957 | ||
6740c9c5 | 958 | # Function that creates based on the paramters one ore more new vpn security policies |
3eae7bed | 959 | vpn_security_policies_new() { |
58aa0edf MT |
960 | if [ $# -gt 1 ]; then |
961 | error "Too many arguments" | |
3eae7bed JS |
962 | return ${EXIT_ERROR} |
963 | fi | |
964 | ||
58aa0edf MT |
965 | local name="${1}" |
966 | if ! isset name; then | |
967 | error "Please provide a name" | |
968 | return ${EXIT_ERROR} | |
969 | fi | |
3eae7bed | 970 | |
58aa0edf MT |
971 | # Check for duplicates |
972 | if vpn_security_policy_exists "${name}"; then | |
973 | error "The VPN security policy with name ${name} already exists" | |
974 | return ${EXIT_ERROR} | |
975 | fi | |
3eae7bed | 976 | |
58aa0edf MT |
977 | # Check if name is valid |
978 | if vpn_security_policies_check_name "${name}"; then | |
979 | error "'${name}' contains illegal characters" | |
980 | return ${EXIT_ERROR} | |
981 | fi | |
3eae7bed | 982 | |
58aa0edf MT |
983 | # Check if we have a read-only policy with the same name |
984 | if vpn_security_policies_check_readonly "${name}"; then | |
985 | error "The VPN security policy ${name} is read-only" | |
986 | return ${EXIT_ERROR} | |
987 | fi | |
988 | ||
6fdbda80 MT |
989 | # Check if our source policy exists |
990 | if ! vpn_security_policy_exists "${VPN_DEFAULT_SECURITY_POLICY}"; then | |
991 | error "Default VPN Security Policy '${VPN_DEFAULT_SECURITY_POLICY}' does not exist" | |
992 | return ${EXIT_ERROR} | |
993 | fi | |
994 | ||
58aa0edf MT |
995 | log DEBUG "Creating VPN Security Policy ${name}" |
996 | ||
88013fd8 | 997 | if copy "$(vpn_security_policies_path "${VPN_DEFAULT_SECURITY_POLICY}")" \ |
aab75c48 | 998 | "$(vpn_security_policies_path ${name})"; then |
58aa0edf MT |
999 | log INFO "VPN Security Policy ${name} successfully created" |
1000 | else | |
1001 | log ERROR "Could not create VPN Security Policy ${name}" | |
1002 | return ${EXIT_ERROR} | |
1003 | fi | |
c787fea5 MT |
1004 | |
1005 | # Show the newly created policy | |
1006 | vpn_security_policies_show "${name}" | |
3eae7bed JS |
1007 | } |
1008 | ||
6740c9c5 | 1009 | # Function that deletes based on the passed parameters one ore more vpn security policies |
3eae7bed | 1010 | vpn_security_policies_destroy() { |
3eae7bed | 1011 | local name |
2212045f | 1012 | for name in "$@"; do |
3eae7bed JS |
1013 | if ! vpn_security_policy_exists ${name}; then |
1014 | log ERROR "The vpn security policy ${name} does not exist." | |
1015 | continue | |
1016 | fi | |
1017 | ||
1018 | if vpn_security_policies_check_readonly ${name}; then | |
1019 | log ERROR "The vpn security policy ${name} cannot be deleted." | |
1020 | continue | |
1021 | fi | |
1022 | ||
1023 | log DEBUG "Deleting vpn security policy ${name}" | |
1024 | settings_remove $(vpn_security_policies_path ${name}) | |
26b47a99 MT |
1025 | |
1026 | # Delete cache | |
1027 | rm -rf "${NETWORK_CACHE_DIR}/vpn/security-policies/${name}" | |
3eae7bed JS |
1028 | done |
1029 | } | |
d69af00f | 1030 | |
d9a6c183 MT |
1031 | vpn_security_policies_cipher_supported() { |
1032 | local cipher=${1} | |
1033 | ||
1034 | list_match ${cipher} ${!VPN_SUPPORTED_CIPHERS[@]} | |
1035 | } | |
1036 | ||
1b58f970 JS |
1037 | |
1038 | vpn_security_policies_group_type_supported() { | |
1039 | local group_type=${1} | |
1040 | ||
1041 | list_match ${group_type} ${!VPN_SUPPORTED_GROUP_TYPES[@]} | |
1042 | } | |
1043 | ||
1044 | vpn_security_policies_integrity_supported() { | |
1045 | local integrity=${1} | |
1046 | ||
1047 | list_match ${integrity} ${!VPN_SUPPORTED_INTEGRITY[@]} | |
1048 | } | |
1049 | ||
0d645497 MT |
1050 | vpn_security_policies_cipher_is_aead() { |
1051 | local cipher=${1} | |
1052 | ||
1053 | # All CCM and GCM ciphers are AEAD | |
831e3597 MT |
1054 | if string_match "[CG]CM" "${cipher}"; then |
1055 | return ${EXIT_TRUE} | |
1056 | fi | |
1057 | ||
1058 | # Poly1305 is AEAD | |
1059 | if string_match "POLY1305" "${cipher}"; then | |
1060 | return ${EXIT_TRUE} | |
1061 | fi | |
1062 | ||
1063 | return ${EXIT_FALSE} | |
0d645497 MT |
1064 | } |
1065 | ||
e3ffacf7 | 1066 | vpn_security_policies_make_ike_proposal() { |
d69af00f MT |
1067 | local name=${1} |
1068 | ||
e1947a76 MT |
1069 | if ! vpn_security_policy_exists ${name}; then |
1070 | return ${EXIT_ERROR} | |
1071 | fi | |
1072 | ||
1073 | local config_path="$(vpn_security_policies_path ${name})" | |
e3ffacf7 | 1074 | local cache_path="${NETWORK_CACHE_DIR}/vpn/security-policies/${name}/ike-proposal" |
e1947a76 MT |
1075 | |
1076 | # Get data from cache if possible | |
1077 | if file_exists "${cache_path}" && ! file_is_newer_than "${config_path}" "${cache_path}"; then | |
1078 | fread "${cache_path}" | |
1079 | return ${EXIT_OK} | |
1080 | fi | |
1081 | ||
1082 | # No or invalid cache data found | |
e3ffacf7 | 1083 | local proposal=$(_vpn_security_policies_make_ike_proposal "${name}") |
e1947a76 MT |
1084 | |
1085 | # Write proposal to cache | |
46954be3 | 1086 | if ! make_parent_directory "${cache_path}" || ! fwrite "${cache_path}" "${proposal}"; then |
e1947a76 MT |
1087 | log WARNING "Could not write to cache: ${cache_path}" |
1088 | fi | |
1089 | ||
1090 | print "${proposal}" | |
1091 | } | |
1092 | ||
e3ffacf7 | 1093 | _vpn_security_policies_make_ike_proposal() { |
e1947a76 MT |
1094 | local name=${1} |
1095 | ||
d69af00f MT |
1096 | # Read the config settings |
1097 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
1098 | if ! vpn_security_policies_read_config "${name}"; then | |
1099 | return ${EXIT_ERROR} | |
1100 | fi | |
1101 | ||
1102 | local proposals | |
1103 | ||
1104 | local cipher | |
1105 | for cipher in ${CIPHER}; do | |
1106 | # Translate cipher | |
1107 | local _cipher=${CIPHER_TO_STRONGSWAN[${cipher}]} | |
1108 | ||
1109 | if ! isset _cipher; then | |
1110 | log WARN "Unsupported cipher: ${cipher}" | |
1111 | continue | |
1112 | fi | |
1113 | ||
9e4b2cdc MT |
1114 | if vpn_security_policies_cipher_is_aead "${cipher}"; then |
1115 | local prf | |
1116 | for prf in ${PSEUDO_RANDOM_FUNCTION}; do | |
1117 | local _prf="${PSEUDO_RANDOM_FUNCTION_TO_STRONGSWAN[${prf}]}" | |
d69af00f | 1118 | |
9e4b2cdc MT |
1119 | if ! isset _prf; then |
1120 | log WARN "Unsupported pseudo random function: ${prf}" | |
1121 | continue | |
1122 | fi | |
1123 | ||
1124 | local group_type | |
1125 | for group_type in ${GROUP_TYPE}; do | |
1126 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
d69af00f | 1127 | |
9e4b2cdc MT |
1128 | if ! isset _group_type; then |
1129 | log WARN "Unsupported group-type: ${group_type}" | |
1130 | continue | |
1131 | fi | |
d69af00f | 1132 | |
9e4b2cdc MT |
1133 | # Put everything together |
1134 | list_append proposals "${_cipher}-${_prf}-${_group_type}" | |
1135 | done | |
1136 | done | |
1137 | else | |
1138 | local integrity | |
1139 | for integrity in ${INTEGRITY}; do | |
1140 | local _integrity=${INTEGRITY_TO_STRONGSWAN[${integrity}]} | |
1141 | ||
1142 | if ! isset _integrity; then | |
1143 | log WARN "Unsupported integrity: ${integrity}" | |
d69af00f MT |
1144 | continue |
1145 | fi | |
1146 | ||
9e4b2cdc MT |
1147 | local group_type |
1148 | for group_type in ${GROUP_TYPE}; do | |
1149 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
1150 | ||
1151 | if ! isset _group_type; then | |
1152 | log WARN "Unsupported group-type: ${group_type}" | |
1153 | continue | |
1154 | fi | |
1155 | ||
1156 | # Put everything together | |
1157 | list_append proposals "${_cipher}-${_integrity}-${_group_type}" | |
1158 | done | |
d69af00f | 1159 | done |
9e4b2cdc | 1160 | fi |
d69af00f MT |
1161 | done |
1162 | ||
1163 | # Returns as a comma-separated list | |
1164 | list_join proposals , | |
1165 | } | |
0d645497 MT |
1166 | |
1167 | vpn_security_policies_make_esp_proposal() { | |
1168 | local name=${1} | |
1169 | ||
e1947a76 MT |
1170 | if ! vpn_security_policy_exists ${name}; then |
1171 | return ${EXIT_ERROR} | |
1172 | fi | |
1173 | ||
1174 | local config_path="$(vpn_security_policies_path ${name})" | |
1175 | local cache_path="${NETWORK_CACHE_DIR}/vpn/security-policies/${name}/esp-proposal" | |
1176 | ||
1177 | # Get data from cache if possible | |
1178 | if file_exists "${cache_path}" && ! file_is_newer_than "${config_path}" "${cache_path}"; then | |
1179 | fread "${cache_path}" | |
1180 | return ${EXIT_OK} | |
1181 | fi | |
1182 | ||
1183 | # No or invalid cache data found | |
1184 | local proposal=$(_vpn_security_policies_make_esp_proposal "${name}") | |
1185 | ||
1186 | # Write proposal to cache | |
46954be3 | 1187 | if ! make_parent_directory "${cache_path}" || ! fwrite "${cache_path}" "${proposal}"; then |
e1947a76 MT |
1188 | log WARNING "Could not write to cache: ${cache_path}" |
1189 | fi | |
1190 | ||
1191 | print "${proposal}" | |
1192 | } | |
1193 | ||
1194 | _vpn_security_policies_make_esp_proposal() { | |
1195 | local name=${1} | |
1196 | ||
0d645497 MT |
1197 | # Read the config settings |
1198 | local ${VPN_SECURITY_POLICIES_CONFIG_SETTINGS} | |
1199 | if ! vpn_security_policies_read_config "${name}"; then | |
1200 | return ${EXIT_ERROR} | |
1201 | fi | |
1202 | ||
1203 | local proposals | |
1204 | ||
1205 | local cipher | |
1206 | for cipher in ${CIPHER}; do | |
1207 | # Translate cipher | |
1208 | local _cipher=${CIPHER_TO_STRONGSWAN[${cipher}]} | |
1209 | ||
1210 | if ! isset _cipher; then | |
1211 | log WARN "Unsupported cipher: ${cipher}" | |
1212 | continue | |
1213 | fi | |
1214 | ||
1215 | if vpn_security_policies_cipher_is_aead ${cipher}; then | |
1216 | local group_type | |
1217 | for group_type in ${GROUP_TYPE}; do | |
1218 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
1219 | ||
1220 | if ! isset _group_type; then | |
1221 | log WARN "Unsupported group-type: ${group_type}" | |
1222 | continue | |
1223 | fi | |
1224 | ||
1225 | # Put everything together | |
1226 | list_append proposals "${_cipher}-${_group_type}" | |
1227 | done | |
1228 | else | |
1229 | local integrity | |
1230 | for integrity in ${INTEGRITY}; do | |
1231 | local _integrity=${INTEGRITY_TO_STRONGSWAN[${integrity}]} | |
1232 | ||
1233 | if ! isset _integrity; then | |
1234 | log WARN "Unsupported integrity: ${integrity}" | |
1235 | continue | |
1236 | fi | |
1237 | ||
1238 | local group_type | |
1239 | for group_type in ${GROUP_TYPE}; do | |
1240 | local _group_type=${GROUP_TYPE_TO_STRONGSWAN[${group_type}]} | |
1241 | ||
1242 | if ! isset _group_type; then | |
1243 | log WARN "Unsupported group-type: ${group_type}" | |
1244 | continue | |
1245 | fi | |
1246 | ||
1247 | # Put everything together | |
1248 | list_append proposals "${_cipher}-${_integrity}-${_group_type}" | |
1249 | done | |
1250 | done | |
1251 | fi | |
1252 | done | |
1253 | ||
1254 | # Returns as a comma-separated list | |
1255 | list_join proposals , | |
1256 | } | |
a00e7803 JS |
1257 | |
1258 | # List all security policies | |
1259 | vpn_security_policies_list_all() { | |
60b1f378 | 1260 | list_directory "${NETWORK_SHARE_DIR}/vpn/security-policies" |
a00e7803 | 1261 | |
3cac4fcd MT |
1262 | # Add all user-defined policies |
1263 | vpn_security_policies_list_user | |
1264 | } | |
1265 | ||
1266 | vpn_security_policies_list_user() { | |
60b1f378 | 1267 | list_directory "${NETWORK_CONFIG_DIR}/vpn/security-policies" |
a00e7803 | 1268 | } |