Pass complete port range over stroke interface for more flexibility
[strongswan.git] / src / conftest / config.c
1 /*
2 * Copyright (C) 2010 Martin Willi
3 * Copyright (C) 2010 revosec AG
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 */
15
16 #include "config.h"
17
18 #include <daemon.h>
19 #include <conftest.h>
20
21 typedef struct private_config_t private_config_t;
22
23 /**
24 * Private data of an config_t object.
25 */
26 struct private_config_t {
27
28 /**
29 * Public config_t interface.
30 */
31 config_t public;
32
33 /**
34 * List of loaded peer configs
35 */
36 linked_list_t *configs;
37 };
38
39 /**
40 * filter function for ike configs
41 */
42 static bool ike_filter(void *data, peer_cfg_t **in, ike_cfg_t **out)
43 {
44 *out = (*in)->get_ike_cfg(*in);
45 return TRUE;
46 }
47
48 METHOD(backend_t, create_ike_cfg_enumerator, enumerator_t*,
49 private_config_t *this, host_t *me, host_t *other)
50 {
51
52 return enumerator_create_filter(
53 this->configs->create_enumerator(this->configs),
54 (void*)ike_filter, NULL, NULL);
55 }
56
57 METHOD(backend_t, create_peer_cfg_enumerator, enumerator_t*,
58 private_config_t *this, identification_t *me, identification_t *other)
59 {
60 return this->configs->create_enumerator(this->configs);
61 }
62
63 METHOD(backend_t, get_peer_cfg_by_name, peer_cfg_t*,
64 private_config_t *this, char *name)
65 {
66 enumerator_t *e1, *e2;
67 peer_cfg_t *current, *found = NULL;
68 child_cfg_t *child;
69
70 e1 = this->configs->create_enumerator(this->configs);
71 while (e1->enumerate(e1, &current))
72 {
73 e2 = current->create_child_cfg_enumerator(current);
74 while (e2->enumerate(e2, &child))
75 {
76 if (streq(child->get_name(child), name))
77 {
78 found = current;
79 found->get_ref(found);
80 break;
81 }
82 }
83 e2->destroy(e2);
84 if (found)
85 {
86 break;
87 }
88 }
89 e1->destroy(e1);
90 return found;
91 }
92
93 /**
94 * Load IKE config for a given section name
95 */
96 static ike_cfg_t *load_ike_config(private_config_t *this,
97 settings_t *settings, char *config)
98 {
99 enumerator_t *enumerator;
100 ike_cfg_t *ike_cfg;
101 proposal_t *proposal;
102 char *token;
103
104 ike_cfg = ike_cfg_create(IKEV2, TRUE,
105 settings->get_bool(settings, "configs.%s.fake_nat", FALSE, config),
106 settings->get_str(settings, "configs.%s.lhost", "%any", config), FALSE,
107 settings->get_int(settings, "configs.%s.lport", 500, config),
108 settings->get_str(settings, "configs.%s.rhost", "%any", config), FALSE,
109 settings->get_int(settings, "configs.%s.rport", 500, config),
110 FRAGMENTATION_NO);
111 token = settings->get_str(settings, "configs.%s.proposal", NULL, config);
112 if (token)
113 {
114 enumerator = enumerator_create_token(token, ",", " ");
115 while (enumerator->enumerate(enumerator, &token))
116 {
117 proposal = proposal_create_from_string(PROTO_IKE, token);
118 if (proposal)
119 {
120 ike_cfg->add_proposal(ike_cfg, proposal);
121 }
122 else
123 {
124 DBG1(DBG_CFG, "parsing proposal '%s' failed, skipped", token);
125 }
126 }
127 enumerator->destroy(enumerator);
128 }
129 else
130 {
131 ike_cfg->add_proposal(ike_cfg, proposal_create_default(PROTO_IKE));
132 }
133 return ike_cfg;
134 }
135 /**
136 * Load CHILD config for given section names
137 */
138 static child_cfg_t *load_child_config(private_config_t *this,
139 settings_t *settings, char *config, char *child)
140 {
141 child_cfg_t *child_cfg;
142 lifetime_cfg_t lifetime = {};
143 enumerator_t *enumerator;
144 proposal_t *proposal;
145 traffic_selector_t *ts;
146 ipsec_mode_t mode = MODE_TUNNEL;
147 char *token;
148 u_int32_t tfc;
149
150 if (settings->get_bool(settings, "configs.%s.%s.transport",
151 FALSE, config, child))
152 {
153 mode = MODE_TRANSPORT;
154 }
155 tfc = settings->get_int(settings, "configs.%s.%s.tfc_padding",
156 0, config, child);
157 child_cfg = child_cfg_create(child, &lifetime, NULL, FALSE, mode,
158 ACTION_NONE, ACTION_NONE, ACTION_NONE,
159 FALSE, 0, 0, NULL, NULL, tfc);
160
161 token = settings->get_str(settings, "configs.%s.%s.proposal",
162 NULL, config, child);
163 if (token)
164 {
165 enumerator = enumerator_create_token(token, ",", " ");
166 while (enumerator->enumerate(enumerator, &token))
167 {
168 proposal = proposal_create_from_string(PROTO_ESP, token);
169 if (proposal)
170 {
171 child_cfg->add_proposal(child_cfg, proposal);
172 }
173 else
174 {
175 DBG1(DBG_CFG, "parsing proposal '%s' failed, skipped", token);
176 }
177 }
178 enumerator->destroy(enumerator);
179 }
180 else
181 {
182 child_cfg->add_proposal(child_cfg, proposal_create_default(PROTO_ESP));
183 }
184
185 token = settings->get_str(settings, "configs.%s.%s.lts", NULL, config, child);
186 if (token)
187 {
188 enumerator = enumerator_create_token(token, ",", " ");
189 while (enumerator->enumerate(enumerator, &token))
190 {
191 ts = traffic_selector_create_from_cidr(token, 0, 0, 65535);
192 if (ts)
193 {
194 child_cfg->add_traffic_selector(child_cfg, TRUE, ts);
195 }
196 else
197 {
198 DBG1(DBG_CFG, "invalid local ts: %s, skipped", token);
199 }
200 }
201 enumerator->destroy(enumerator);
202 }
203 else
204 {
205 ts = traffic_selector_create_dynamic(0, 0, 65535);
206 child_cfg->add_traffic_selector(child_cfg, TRUE, ts);
207 }
208
209 token = settings->get_str(settings, "configs.%s.%s.rts", NULL, config, child);
210 if (token)
211 {
212 enumerator = enumerator_create_token(token, ",", " ");
213 while (enumerator->enumerate(enumerator, &token))
214 {
215 ts = traffic_selector_create_from_cidr(token, 0, 0, 65535);
216 if (ts)
217 {
218 child_cfg->add_traffic_selector(child_cfg, FALSE, ts);
219 }
220 else
221 {
222 DBG1(DBG_CFG, "invalid remote ts: %s, skipped", token);
223 }
224 }
225 enumerator->destroy(enumerator);
226 }
227 else
228 {
229 ts = traffic_selector_create_dynamic(0, 0, 65535);
230 child_cfg->add_traffic_selector(child_cfg, FALSE, ts);
231 }
232 return child_cfg;
233 }
234
235 /**
236 * Load peer config for a given section name
237 */
238 static peer_cfg_t *load_peer_config(private_config_t *this,
239 settings_t *settings, char *config)
240 {
241 ike_cfg_t *ike_cfg;
242 peer_cfg_t *peer_cfg;
243 auth_cfg_t *auth;
244 child_cfg_t *child_cfg;
245 enumerator_t *enumerator;
246 identification_t *lid, *rid;
247 char *child, *policy, *pool;
248 uintptr_t strength;
249
250 ike_cfg = load_ike_config(this, settings, config);
251 peer_cfg = peer_cfg_create(config, ike_cfg, CERT_ALWAYS_SEND,
252 UNIQUE_NO, 1, 0, 0, 0, 0, FALSE, FALSE, 0, 0,
253 FALSE, NULL, NULL);
254
255 auth = auth_cfg_create();
256 auth->add(auth, AUTH_RULE_AUTH_CLASS, AUTH_CLASS_PUBKEY);
257 lid = identification_create_from_string(
258 settings->get_str(settings, "configs.%s.lid", "%any", config));
259 auth->add(auth, AUTH_RULE_IDENTITY, lid);
260 peer_cfg->add_auth_cfg(peer_cfg, auth, TRUE);
261
262 auth = auth_cfg_create();
263 auth->add(auth, AUTH_RULE_AUTH_CLASS, AUTH_CLASS_PUBKEY);
264 rid = identification_create_from_string(
265 settings->get_str(settings, "configs.%s.rid", "%any", config));
266 strength = settings->get_int(settings, "configs.%s.rsa_strength", 0, config);
267 if (strength)
268 {
269 auth->add(auth, AUTH_RULE_RSA_STRENGTH, strength);
270 }
271 strength = settings->get_int(settings, "configs.%s.ecdsa_strength", 0, config);
272 if (strength)
273 {
274 auth->add(auth, AUTH_RULE_ECDSA_STRENGTH, strength);
275 }
276 policy = settings->get_str(settings, "configs.%s.cert_policy", NULL, config);
277 if (policy)
278 {
279 auth->add(auth, AUTH_RULE_CERT_POLICY, strdup(policy));
280 }
281 auth->add(auth, AUTH_RULE_IDENTITY, rid);
282 peer_cfg->add_auth_cfg(peer_cfg, auth, FALSE);
283 pool = settings->get_str(settings, "configs.%s.named_pool", NULL, config);
284 if (pool)
285 {
286 peer_cfg->add_pool(peer_cfg, pool);
287 }
288
289 DBG1(DBG_CFG, "loaded config %s: %Y - %Y", config, lid, rid);
290
291 enumerator = settings->create_section_enumerator(settings,
292 "configs.%s", config);
293 while (enumerator->enumerate(enumerator, &child))
294 {
295 child_cfg = load_child_config(this, settings, config, child);
296 peer_cfg->add_child_cfg(peer_cfg, child_cfg);
297 }
298 enumerator->destroy(enumerator);
299 return peer_cfg;
300 }
301
302 METHOD(config_t, load, void,
303 private_config_t *this, settings_t *settings)
304 {
305 enumerator_t *enumerator;
306 char *config;
307
308 enumerator = settings->create_section_enumerator(settings, "configs");
309 while (enumerator->enumerate(enumerator, &config))
310 {
311 this->configs->insert_last(this->configs,
312 load_peer_config(this, settings, config));
313 }
314 enumerator->destroy(enumerator);
315 }
316
317 METHOD(config_t, destroy, void,
318 private_config_t *this)
319 {
320 this->configs->destroy_offset(this->configs, offsetof(peer_cfg_t, destroy));
321 free(this);
322 }
323
324 /**
325 * See header
326 */
327 config_t *config_create()
328 {
329 private_config_t *this;
330
331 INIT(this,
332 .public = {
333 .backend = {
334 .create_ike_cfg_enumerator = _create_ike_cfg_enumerator,
335 .create_peer_cfg_enumerator = _create_peer_cfg_enumerator,
336 .get_peer_cfg_by_name = _get_peer_cfg_by_name,
337 },
338 .load = _load,
339 .destroy = _destroy,
340 },
341 .configs = linked_list_create(),
342 );
343
344 return &this->public;
345 }