ipsec list suppresses duplicates
[strongswan.git] / src / charon / plugins / stroke / stroke_list.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 * $Id$
16 */
17
18 #include "stroke_list.h"
19
20 #include <daemon.h>
21 #include <utils/linked_list.h>
22 #include <credentials/certificates/x509.h>
23 #include <credentials/certificates/crl.h>
24
25 /* warning intervals for list functions */
26 #define CERT_WARNING_INTERVAL 30 /* days */
27 #define CRL_WARNING_INTERVAL 7 /* days */
28
29 typedef struct private_stroke_list_t private_stroke_list_t;
30
31 /**
32 * private data of stroke_list
33 */
34 struct private_stroke_list_t {
35
36 /**
37 * public functions
38 */
39 stroke_list_t public;
40
41 /**
42 * timestamp of daemon start
43 */
44 time_t uptime;
45 };
46
47 /**
48 * log an IKE_SA to out
49 */
50 static void log_ike_sa(FILE *out, ike_sa_t *ike_sa, bool all)
51 {
52 ike_sa_id_t *id = ike_sa->get_id(ike_sa);
53 u_int32_t rekey, reauth;
54
55 fprintf(out, "%12s[%d]: %N, %H[%D]...%H[%D]\n",
56 ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
57 ike_sa_state_names, ike_sa->get_state(ike_sa),
58 ike_sa->get_my_host(ike_sa), ike_sa->get_my_id(ike_sa),
59 ike_sa->get_other_host(ike_sa), ike_sa->get_other_id(ike_sa));
60
61 if (all)
62 {
63 fprintf(out, "%12s[%d]: IKE SPIs: %.16llx_i%s %.16llx_r%s",
64 ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
65 id->get_initiator_spi(id), id->is_initiator(id) ? "*" : "",
66 id->get_responder_spi(id), id->is_initiator(id) ? "" : "*");
67
68 rekey = ike_sa->get_statistic(ike_sa, STAT_REKEY_TIME);
69 reauth = ike_sa->get_statistic(ike_sa, STAT_REAUTH_TIME);
70 if (rekey)
71 {
72 fprintf(out, ", rekeying in %V", &rekey);
73 }
74 if (reauth)
75 {
76 fprintf(out, ", reauthentication in %V", &reauth);
77 }
78 if (!rekey && !reauth)
79 {
80 fprintf(out, ", rekeying disabled");
81 }
82 fprintf(out, "\n");
83 }
84 }
85
86 /**
87 * log an CHILD_SA to out
88 */
89 static void log_child_sa(FILE *out, child_sa_t *child_sa, bool all)
90 {
91 u_int32_t rekey, now = time(NULL);
92 u_int32_t use_in, use_out, use_fwd;
93 encryption_algorithm_t encr_alg;
94 integrity_algorithm_t int_alg;
95 size_t encr_len, int_len;
96 mode_t mode;
97
98 child_sa->get_stats(child_sa, &mode, &encr_alg, &encr_len,
99 &int_alg, &int_len, &rekey, &use_in, &use_out,
100 &use_fwd);
101
102 fprintf(out, "%12s{%d}: %N, %N",
103 child_sa->get_name(child_sa), child_sa->get_reqid(child_sa),
104 child_sa_state_names, child_sa->get_state(child_sa),
105 mode_names, mode);
106
107 if (child_sa->get_state(child_sa) == CHILD_INSTALLED)
108 {
109 fprintf(out, ", %N SPIs: %.8x_i %.8x_o",
110 protocol_id_names, child_sa->get_protocol(child_sa),
111 htonl(child_sa->get_spi(child_sa, TRUE)),
112 htonl(child_sa->get_spi(child_sa, FALSE)));
113
114 if (all)
115 {
116 fprintf(out, "\n%12s{%d}: ", child_sa->get_name(child_sa),
117 child_sa->get_reqid(child_sa));
118
119
120 if (child_sa->get_protocol(child_sa) == PROTO_ESP)
121 {
122 fprintf(out, "%N", encryption_algorithm_names, encr_alg);
123
124 if (encr_len)
125 {
126 fprintf(out, "-%d", encr_len);
127 }
128 fprintf(out, "/");
129 }
130
131 fprintf(out, "%N", integrity_algorithm_names, int_alg);
132 if (int_len)
133 {
134 fprintf(out, "-%d", int_len);
135 }
136 fprintf(out, ", rekeying ");
137
138 if (rekey)
139 {
140 fprintf(out, "in %#V", &now, &rekey);
141 }
142 else
143 {
144 fprintf(out, "disabled");
145 }
146
147 fprintf(out, ", last use: ");
148 use_in = max(use_in, use_fwd);
149 if (use_in)
150 {
151 fprintf(out, "%ds_i ", now - use_in);
152 }
153 else
154 {
155 fprintf(out, "no_i ");
156 }
157 if (use_out)
158 {
159 fprintf(out, "%ds_o ", now - use_out);
160 }
161 else
162 {
163 fprintf(out, "no_o ");
164 }
165 }
166 }
167
168 fprintf(out, "\n%12s{%d}: %#R=== %#R\n",
169 child_sa->get_name(child_sa), child_sa->get_reqid(child_sa),
170 child_sa->get_traffic_selectors(child_sa, TRUE),
171 child_sa->get_traffic_selectors(child_sa, FALSE));
172 }
173
174 /**
175 * Implementation of stroke_list_t.status.
176 */
177 static void status(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out, bool all)
178 {
179 enumerator_t *enumerator, *children;
180 iterator_t *iterator;
181 host_t *host;
182 peer_cfg_t *peer_cfg;
183 ike_cfg_t *ike_cfg;
184 child_cfg_t *child_cfg;
185 ike_sa_t *ike_sa;
186 char *name = NULL;
187 time_t uptime;
188
189 name = msg->status.name;
190
191 if (all)
192 {
193 uptime = time(NULL) - this->uptime;
194 fprintf(out, "Performance:\n");
195 fprintf(out, " uptime: %V, since %#T\n", &uptime, &this->uptime, FALSE);
196 fprintf(out, " worker threads: %d idle of %d,",
197 charon->processor->get_idle_threads(charon->processor),
198 charon->processor->get_total_threads(charon->processor));
199 fprintf(out, " job queue load: %d,",
200 charon->processor->get_job_load(charon->processor));
201 fprintf(out, " scheduled events: %d\n",
202 charon->scheduler->get_job_load(charon->scheduler));
203 iterator = charon->kernel_interface->create_address_iterator(
204 charon->kernel_interface);
205 fprintf(out, "Listening IP addresses:\n");
206 while (iterator->iterate(iterator, (void**)&host))
207 {
208 fprintf(out, " %H\n", host);
209 }
210 iterator->destroy(iterator);
211
212 fprintf(out, "Connections:\n");
213 enumerator = charon->backends->create_peer_cfg_enumerator(charon->backends);
214 while (enumerator->enumerate(enumerator, (void**)&peer_cfg))
215 {
216 if (peer_cfg->get_ike_version(peer_cfg) != 2 ||
217 (name && !streq(name, peer_cfg->get_name(peer_cfg))))
218 {
219 continue;
220 }
221
222 ike_cfg = peer_cfg->get_ike_cfg(peer_cfg);
223 fprintf(out, "%12s: %H[%D]...%H[%D]\n", peer_cfg->get_name(peer_cfg),
224 ike_cfg->get_my_host(ike_cfg), peer_cfg->get_my_id(peer_cfg),
225 ike_cfg->get_other_host(ike_cfg), peer_cfg->get_other_id(peer_cfg));
226 /* TODO: list CAs and groups */
227 children = peer_cfg->create_child_cfg_enumerator(peer_cfg);
228 while (children->enumerate(children, &child_cfg))
229 {
230 linked_list_t *my_ts, *other_ts;
231 my_ts = child_cfg->get_traffic_selectors(child_cfg, TRUE, NULL, NULL);
232 other_ts = child_cfg->get_traffic_selectors(child_cfg, FALSE, NULL, NULL);
233 fprintf(out, "%12s: %#R=== %#R\n", child_cfg->get_name(child_cfg),
234 my_ts, other_ts);
235 my_ts->destroy_offset(my_ts, offsetof(traffic_selector_t, destroy));
236 other_ts->destroy_offset(other_ts, offsetof(traffic_selector_t, destroy));
237 }
238 children->destroy(children);
239 }
240 enumerator->destroy(enumerator);
241 }
242
243 iterator = charon->ike_sa_manager->create_iterator(charon->ike_sa_manager);
244 if (all && iterator->get_count(iterator) > 0)
245 {
246 fprintf(out, "Security Associations:\n");
247 }
248 while (iterator->iterate(iterator, (void**)&ike_sa))
249 {
250 bool ike_printed = FALSE;
251 child_sa_t *child_sa;
252 iterator_t *children = ike_sa->create_child_sa_iterator(ike_sa);
253
254 if (name == NULL || streq(name, ike_sa->get_name(ike_sa)))
255 {
256 log_ike_sa(out, ike_sa, all);
257 ike_printed = TRUE;
258 }
259
260 while (children->iterate(children, (void**)&child_sa))
261 {
262 if (name == NULL || streq(name, child_sa->get_name(child_sa)))
263 {
264 if (!ike_printed)
265 {
266 log_ike_sa(out, ike_sa, all);
267 ike_printed = TRUE;
268 }
269 log_child_sa(out, child_sa, all);
270 }
271 }
272 children->destroy(children);
273 }
274 iterator->destroy(iterator);
275 }
276
277 /**
278 * create a unique certificate list without duplicates
279 */
280 static linked_list_t* create_unique_cert_list(certificate_type_t type)
281 {
282 linked_list_t *list = linked_list_create();
283 enumerator_t *enumerator = charon->credentials->create_cert_enumerator(
284 charon->credentials, type, KEY_ANY,
285 NULL, FALSE);
286 certificate_t *cert;
287
288 while (enumerator->enumerate(enumerator, (void**)&cert))
289 {
290 enumerator_t *list_enum = list->create_enumerator(list);
291 certificate_t *list_cert;
292 bool unique = TRUE;
293
294 while (list_enum->enumerate(list_enum, (void**)&list_cert))
295 {
296 /* exit if we have a duplicate? */
297 if (list_cert == cert)
298 {
299 unique = FALSE;
300 break;
301 }
302 }
303 if (unique)
304 {
305 list->insert_last(list, (void *)cert->get_ref(cert));
306 }
307 list_enum->destroy(list_enum);
308 }
309 enumerator->destroy(enumerator);
310 return list;
311 }
312
313 /**
314 * list all X.509 certificates matching the flags
315 */
316 static void stroke_list_certs(linked_list_t *list, char *label,
317 x509_flag_t flags, bool utc, FILE *out)
318 {
319 bool first = TRUE;
320 time_t now = time(NULL);
321 enumerator_t *enumerator = list->create_enumerator(list);
322 certificate_t *cert;
323
324 while (enumerator->enumerate(enumerator, (void**)&cert))
325 {
326 x509_t *x509 = (x509_t*)cert;
327 x509_flag_t x509_flags = x509->get_flags(x509);
328
329 /* list only if flag is set, or flags == 0 (ignoring self-signed) */
330 if ((x509_flags & flags) || (flags == (x509_flags & ~X509_SELF_SIGNED)))
331 {
332 enumerator_t *enumerator;
333 identification_t *altName;
334 bool first_altName = TRUE;
335 chunk_t serial = x509->get_serial(x509);
336 identification_t *authkey = x509->get_authKeyIdentifier(x509);
337 time_t notBefore, notAfter;
338 public_key_t *public = cert->get_public_key(cert);
339
340 if (first)
341 {
342 fprintf(out, "\n");
343 fprintf(out, "List of %s:\n", label);
344 first = FALSE;
345 }
346 fprintf(out, "\n");
347
348 /* list subjectAltNames */
349 enumerator = x509->create_subjectAltName_enumerator(x509);
350 while (enumerator->enumerate(enumerator, (void**)&altName))
351 {
352 if (first_altName)
353 {
354 fprintf(out, " altNames: ");
355 first_altName = FALSE;
356 }
357 else
358 {
359 fprintf(out, ", ");
360 }
361 fprintf(out, "%D", altName);
362 }
363 if (!first_altName)
364 {
365 fprintf(out, "\n");
366 }
367 enumerator->destroy(enumerator);
368
369 fprintf(out, " subject: \"%D\"\n", cert->get_subject(cert));
370 fprintf(out, " issuer: \"%D\"\n", cert->get_issuer(cert));
371 fprintf(out, " serial: %#B\n", &serial);
372
373 /* list validity */
374 cert->get_validity(cert, &now, &notBefore, &notAfter);
375 fprintf(out, " validity: not before %#T, ", &notBefore, utc);
376 if (now < notBefore)
377 {
378 fprintf(out, "not valid yet (valid in %#V)\n", &now, &notBefore);
379 }
380 else
381 {
382 fprintf(out, "ok\n");
383 }
384 fprintf(out, " not after %#T, ", &notAfter, utc);
385 if (now > notAfter)
386 {
387 fprintf(out, "expired (%#V ago)\n", &now, &notAfter);
388 }
389 else
390 {
391 fprintf(out, "ok");
392 if (now > notAfter - CERT_WARNING_INTERVAL * 60 * 60 * 24)
393 {
394 fprintf(out, " (expires in %#V)", &now, &notAfter);
395 }
396 fprintf(out, " \n");
397 }
398
399 /* list public key information */
400 if (public)
401 {
402 private_key_t *private = NULL;
403 identification_t *id, *keyid;
404
405 id = public->get_id(public, ID_PUBKEY_SHA1);
406 keyid = public->get_id(public, ID_PUBKEY_INFO_SHA1);
407
408 private = charon->credentials->get_private(
409 charon->credentials,
410 public->get_type(public), keyid, NULL);
411 fprintf(out, " pubkey: %N %d bits%s\n",
412 key_type_names, public->get_type(public),
413 public->get_keysize(public) * 8,
414 private ? ", has private key" : "");
415 fprintf(out, " keyid: %D\n", keyid);
416 fprintf(out, " subjkey: %D\n", id);
417 DESTROY_IF(private);
418 public->destroy(public);
419 }
420
421 /* list optional authorityKeyIdentifier */
422 if (authkey)
423 {
424 fprintf(out, " authkey: %D\n", authkey);
425 }
426 }
427 }
428 enumerator->destroy(enumerator);
429 }
430
431 /**
432 * list all X.509 attribute certificates
433 */
434 static void stroke_list_acerts(bool utc, FILE *out)
435 {
436
437 }
438
439 /**
440 * list all X.509 CRLs
441 */
442 static void stroke_list_crls(linked_list_t *list, bool utc, FILE *out)
443 {
444 bool first = TRUE;
445 time_t thisUpdate, nextUpdate, now = time(NULL);
446 enumerator_t *enumerator = list->create_enumerator(list);
447 certificate_t *cert;
448
449 while (enumerator->enumerate(enumerator, (void**)&cert))
450 {
451 crl_t *crl = (crl_t*)cert;
452 chunk_t serial = crl->get_serial(crl);
453 identification_t *authkey = crl->get_authKeyIdentifier(crl);
454
455 if (first)
456 {
457 fprintf(out, "\n");
458 fprintf(out, "List of X.509 CRLs:\n");
459 first = FALSE;
460 }
461 fprintf(out, "\n");
462
463 fprintf(out, " issuer: \"%D\"\n", cert->get_issuer(cert));
464
465 /* list optional crlNumber */
466 if (serial.ptr)
467 {
468 fprintf(out, " serial: %#B\n", &serial);
469 }
470
471 /* count the number of revoked certificates */
472 {
473 int count = 0;
474 enumerator_t *enumerator = crl->create_enumerator(crl);
475
476 while (enumerator->enumerate(enumerator, NULL, NULL, NULL))
477 {
478 count++;
479 }
480 fprintf(out, " revoked: %d certificate%s\n", count,
481 (count == 1)? "" : "s");
482 enumerator->destroy(enumerator);
483 }
484
485 /* list validity */
486 cert->get_validity(cert, &now, &thisUpdate, &nextUpdate);
487 fprintf(out, " updates: this %#T\n", &thisUpdate, utc);
488 fprintf(out, " next %#T, ", &nextUpdate, utc);
489 if (now > nextUpdate)
490 {
491 fprintf(out, "expired (%#V ago)\n", &now, &nextUpdate);
492 }
493 else
494 {
495 fprintf(out, "ok");
496 if (now > nextUpdate - CRL_WARNING_INTERVAL * 60 * 60 * 24)
497 {
498 fprintf(out, " (expires in %#V)", &now, &nextUpdate);
499 }
500 fprintf(out, " \n");
501 }
502
503 /* list optional authorityKeyIdentifier */
504 if (authkey)
505 {
506 fprintf(out, " authkey: %D\n", authkey);
507 }
508 }
509 enumerator->destroy(enumerator);
510 }
511
512 /**
513 * list all OCSP responses
514 */
515 static void stroke_list_ocsp(bool utc, FILE *out)
516 {
517
518 }
519
520 /**
521 * Implementation of stroke_list_t.list.
522 */
523 static void list(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out)
524 {
525 linked_list_t *cert_list = NULL;
526
527 if (msg->list.flags & (LIST_CERTS | LIST_CACERTS | LIST_OCSPCERTS | LIST_AACERTS))
528 {
529 cert_list = create_unique_cert_list(CERT_X509);
530 }
531 if (msg->list.flags & LIST_CERTS)
532 {
533 stroke_list_certs(cert_list, "X.509 End Entity Certificates",
534 0, msg->list.utc, out);
535 }
536 if (msg->list.flags & LIST_CACERTS)
537 {
538 stroke_list_certs(cert_list, "X.509 CA Certificates",
539 X509_CA, msg->list.utc, out);
540 }
541 if (msg->list.flags & LIST_OCSPCERTS)
542 {
543 stroke_list_certs(cert_list, "X.509 OCSP Signer Certificates",
544 X509_OCSP_SIGNER, msg->list.utc, out);
545 }
546 if (msg->list.flags & LIST_AACERTS)
547 {
548 stroke_list_certs(cert_list, "X.509 AA Certificates",
549 X509_AA, msg->list.utc, out);
550 }
551 if (msg->list.flags & LIST_ACERTS)
552 {
553 stroke_list_acerts(msg->list.utc, out);
554 }
555 if (msg->list.flags & LIST_CRLS)
556 {
557 linked_list_t *crl_list = create_unique_cert_list(CERT_X509_CRL);
558
559 stroke_list_crls(crl_list, msg->list.utc, out);
560 crl_list->destroy_offset(crl_list, offsetof(certificate_t, destroy));
561 }
562 if (msg->list.flags & LIST_OCSP)
563 {
564 stroke_list_ocsp(msg->list.utc, out);
565 }
566 DESTROY_OFFSET_IF(cert_list, offsetof(certificate_t, destroy));
567 }
568
569 /**
570 * Implementation of stroke_list_t.destroy
571 */
572 static void destroy(private_stroke_list_t *this)
573 {
574 free(this);
575 }
576
577 /*
578 * see header file
579 */
580 stroke_list_t *stroke_list_create()
581 {
582 private_stroke_list_t *this = malloc_thing(private_stroke_list_t);
583
584 this->public.list = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out))list;
585 this->public.status = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out,bool))status;
586 this->public.destroy = (void(*)(stroke_list_t*))destroy;
587
588 this->uptime = time(NULL);
589
590 return &this->public;
591 }
592