Removed strayed code fragment
[strongswan.git] / src / charon / plugins / load_tester / load_tester_config.c
1 /*
2 * Copyright (C) 2008 Martin Willi
3 * Hochschule fuer Technik Rapperswil
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 "load_tester_config.h"
17
18 #include <daemon.h>
19
20 typedef struct private_load_tester_config_t private_load_tester_config_t;
21
22 /**
23 * Private data of an load_tester_config_t object
24 */
25 struct private_load_tester_config_t {
26
27 /**
28 * Public part
29 */
30 load_tester_config_t public;
31
32 /**
33 * peer config
34 */
35 peer_cfg_t *peer_cfg;
36
37 /**
38 * virtual IP, if any
39 */
40 host_t *vip;
41
42 /**
43 * Remote address
44 */
45 char *remote;
46
47 /**
48 * IP address pool
49 */
50 char *pool;
51
52 /**
53 * IKE proposal
54 */
55 proposal_t *proposal;
56
57 /**
58 * Authentication method(s) to use/expect from initiator
59 */
60 char *initiator_auth;
61
62 /**
63 * Authentication method(s) use/expected from responder
64 */
65 char *responder_auth;
66
67 /**
68 * IKE_SA rekeying delay
69 */
70 u_int ike_rekey;
71
72 /**
73 * CHILD_SA rekeying delay
74 */
75 u_int child_rekey;
76
77 /**
78 * incremental numbering of generated configs
79 */
80 u_int num;
81
82 /**
83 * Dynamic source port, if used
84 */
85 u_int16_t port;
86 };
87
88 /**
89 * Generate auth config from string
90 */
91 static void generate_auth_cfg(private_load_tester_config_t *this, char *str,
92 peer_cfg_t *peer_cfg, bool local, int num)
93 {
94 enumerator_t *enumerator;
95 auth_cfg_t *auth;
96 identification_t *id;
97 auth_class_t class;
98 eap_type_t type;
99 char buf[128];
100 int rnd = 0;
101
102 enumerator = enumerator_create_token(str, "|", " ");
103 while (enumerator->enumerate(enumerator, &str))
104 {
105 auth = auth_cfg_create();
106 rnd++;
107
108 if (streq(str, "psk"))
109 { /* PSK authentication, use FQDNs */
110 class = AUTH_CLASS_PSK;
111 if ((local && !num) || (!local && num))
112 {
113 id = identification_create_from_string("srv.strongswan.org");
114 }
115 else if (local)
116 {
117 snprintf(buf, sizeof(buf), "c%d-r%d.strongswan.org", num, rnd);
118 id = identification_create_from_string(buf);
119 }
120 else
121 {
122 id = identification_create_from_string("*.strongswan.org");
123 }
124 }
125 else if (strneq(str, "eap", strlen("eap")))
126 { /* EAP authentication, use a NAI */
127 class = AUTH_CLASS_EAP;
128 if (*(str + strlen("eap")) == '-')
129 {
130 type = eap_type_from_string(str + strlen("eap-"));
131 if (type)
132 {
133 auth->add(auth, AUTH_RULE_EAP_TYPE, type);
134 }
135 }
136 if (local && num)
137 {
138 snprintf(buf, sizeof(buf), "1%.10d%.4d@strongswan.org", num, rnd);
139 id = identification_create_from_string(buf);
140 }
141 else
142 {
143 id = identification_create_from_encoding(ID_ANY, chunk_empty);
144 }
145 }
146 else
147 {
148 if (!streq(str, "pubkey"))
149 {
150 DBG1(DBG_CFG, "invalid authentication: '%s', fallback to pubkey",
151 str);
152 }
153 /* certificate authentication, use distinguished names */
154 class = AUTH_CLASS_PUBKEY;
155 if ((local && !num) || (!local && num))
156 {
157 id = identification_create_from_string(
158 "CN=srv, OU=load-test, O=strongSwan");
159 }
160 else if (local)
161 {
162 snprintf(buf, sizeof(buf),
163 "CN=c%d-r%d, OU=load-test, O=strongSwan", num, rnd);
164 id = identification_create_from_string(buf);
165 }
166 else
167 {
168 id = identification_create_from_string(
169 "CN=*, OU=load-test, O=strongSwan");
170 }
171 }
172 auth->add(auth, AUTH_RULE_AUTH_CLASS, class);
173 auth->add(auth, AUTH_RULE_IDENTITY, id);
174 peer_cfg->add_auth_cfg(peer_cfg, auth, local);
175 }
176 enumerator->destroy(enumerator);
177 }
178
179 /**
180 * Generate a new initiator config, num = 0 for responder config
181 */
182 static peer_cfg_t* generate_config(private_load_tester_config_t *this, uint num)
183 {
184 ike_cfg_t *ike_cfg;
185 child_cfg_t *child_cfg;
186 peer_cfg_t *peer_cfg;
187 traffic_selector_t *ts;
188 proposal_t *proposal;
189 lifetime_cfg_t lifetime = {
190 .time = {
191 .life = this->child_rekey * 2,
192 .rekey = this->child_rekey,
193 .jitter = 0
194 }
195 };
196
197 if (this->port && num)
198 {
199 ike_cfg = ike_cfg_create(FALSE, FALSE,
200 "0.0.0.0", this->port + num - 1, this->remote, IKEV2_NATT_PORT);
201 }
202 else
203 {
204 ike_cfg = ike_cfg_create(FALSE, FALSE,
205 "0.0.0.0", IKEV2_UDP_PORT, this->remote, IKEV2_UDP_PORT);
206 }
207 ike_cfg->add_proposal(ike_cfg, this->proposal->clone(this->proposal));
208 peer_cfg = peer_cfg_create("load-test", 2, ike_cfg,
209 CERT_SEND_IF_ASKED, UNIQUE_NO, 1, /* keytries */
210 this->ike_rekey, 0, /* rekey, reauth */
211 0, this->ike_rekey, /* jitter, overtime */
212 FALSE, 0, /* mobike, dpddelay */
213 this->vip ? this->vip->clone(this->vip) : NULL,
214 this->pool, FALSE, NULL, NULL);
215 if (num)
216 { /* initiator */
217 generate_auth_cfg(this, this->initiator_auth, peer_cfg, TRUE, num);
218 generate_auth_cfg(this, this->responder_auth, peer_cfg, FALSE, num);
219 }
220 else
221 { /* responder */
222 generate_auth_cfg(this, this->responder_auth, peer_cfg, TRUE, num);
223 generate_auth_cfg(this, this->initiator_auth, peer_cfg, FALSE, num);
224 }
225
226 child_cfg = child_cfg_create("load-test", &lifetime, NULL, TRUE,
227 MODE_TUNNEL, ACTION_NONE, ACTION_NONE, FALSE, 0);
228 proposal = proposal_create_from_string(PROTO_ESP, "aes128-sha1");
229 child_cfg->add_proposal(child_cfg, proposal);
230 ts = traffic_selector_create_dynamic(0, 0, 65535);
231 child_cfg->add_traffic_selector(child_cfg, TRUE, ts);
232 ts = traffic_selector_create_dynamic(0, 0, 65535);
233 child_cfg->add_traffic_selector(child_cfg, FALSE, ts);
234 peer_cfg->add_child_cfg(peer_cfg, child_cfg);
235 return peer_cfg;
236 }
237
238 /**
239 * Implementation of backend_t.create_peer_cfg_enumerator.
240 */
241 static enumerator_t* create_peer_cfg_enumerator(private_load_tester_config_t *this,
242 identification_t *me,
243 identification_t *other)
244 {
245 return enumerator_create_single(this->peer_cfg, NULL);
246 }
247
248 /**
249 * Implementation of backend_t.create_ike_cfg_enumerator.
250 */
251 static enumerator_t* create_ike_cfg_enumerator(private_load_tester_config_t *this,
252 host_t *me, host_t *other)
253 {
254 ike_cfg_t *ike_cfg;
255
256 ike_cfg = this->peer_cfg->get_ike_cfg(this->peer_cfg);
257 return enumerator_create_single(ike_cfg, NULL);
258 }
259
260 /**
261 * implements backend_t.get_peer_cfg_by_name.
262 */
263 static peer_cfg_t *get_peer_cfg_by_name(private_load_tester_config_t *this,
264 char *name)
265 {
266 if (streq(name, "load-test"))
267 {
268 return generate_config(this, this->num++);
269 }
270 return NULL;
271 }
272
273 /**
274 * Implementation of load_tester_config_t.destroy.
275 */
276 static void destroy(private_load_tester_config_t *this)
277 {
278 this->peer_cfg->destroy(this->peer_cfg);
279 DESTROY_IF(this->proposal);
280 DESTROY_IF(this->vip);
281 free(this);
282 }
283
284 /**
285 * Described in header.
286 */
287 load_tester_config_t *load_tester_config_create()
288 {
289 private_load_tester_config_t *this = malloc_thing(private_load_tester_config_t);
290
291 this->public.backend.create_peer_cfg_enumerator = (enumerator_t*(*)(backend_t*, identification_t *me, identification_t *other))create_peer_cfg_enumerator;
292 this->public.backend.create_ike_cfg_enumerator = (enumerator_t*(*)(backend_t*, host_t *me, host_t *other))create_ike_cfg_enumerator;
293 this->public.backend.get_peer_cfg_by_name = (peer_cfg_t* (*)(backend_t*,char*))get_peer_cfg_by_name;
294 this->public.destroy = (void(*)(load_tester_config_t*))destroy;
295
296 this->vip = NULL;
297 if (lib->settings->get_bool(lib->settings,
298 "charon.plugins.load-tester.request_virtual_ip", FALSE))
299 {
300 this->vip = host_create_from_string("0.0.0.0", 0);
301 }
302 this->pool = lib->settings->get_str(lib->settings,
303 "charon.plugins.load-tester.pool", NULL);
304 this->remote = lib->settings->get_str(lib->settings,
305 "charon.plugins.load-tester.remote", "127.0.0.1");
306
307 this->proposal = proposal_create_from_string(PROTO_IKE,
308 lib->settings->get_str(lib->settings,
309 "charon.plugins.load-tester.proposal", "aes128-sha1-modp768"));
310 if (!this->proposal)
311 { /* fallback */
312 this->proposal = proposal_create_from_string(PROTO_IKE,
313 "aes128-sha1-modp768");
314 }
315 this->ike_rekey = lib->settings->get_int(lib->settings,
316 "charon.plugins.load-tester.ike_rekey", 0);
317 this->child_rekey = lib->settings->get_int(lib->settings,
318 "charon.plugins.load-tester.child_rekey", 600);
319
320 this->initiator_auth = lib->settings->get_str(lib->settings,
321 "charon.plugins.load-tester.initiator_auth", "pubkey");
322 this->responder_auth = lib->settings->get_str(lib->settings,
323 "charon.plugins.load-tester.responder_auth", "pubkey");
324
325 this->port = lib->settings->get_int(lib->settings,
326 "charon.plugins.load-tester.dynamic_port", 0);
327
328 this->num = 1;
329 this->peer_cfg = generate_config(this, 0);
330
331 return &this->public;
332 }
333