use cert->equals() to filter out equal certificates in seperate instances
[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 * certicates having the same issuer are grouped together.
280 */
281 static linked_list_t* create_unique_cert_list(certificate_type_t type)
282 {
283 linked_list_t *list = linked_list_create();
284 enumerator_t *enumerator = charon->credentials->create_cert_enumerator(
285 charon->credentials, type, KEY_ANY,
286 NULL, FALSE);
287 certificate_t *cert;
288
289 while (enumerator->enumerate(enumerator, (void**)&cert))
290 {
291 iterator_t *iterator = list->create_iterator(list, TRUE);
292 identification_t *issuer = cert->get_issuer(cert);
293 bool previous_same, same = FALSE, last = TRUE;
294 certificate_t *list_cert;
295
296 while (iterator->iterate(iterator, (void**)&list_cert))
297 {
298 /* exit if we have a duplicate? */
299 if (list_cert->equals(list_cert, cert))
300 {
301 last = FALSE;
302 break;
303 }
304 /* group certificates with same issuer */
305 previous_same = same;
306 same = list_cert->has_issuer(list_cert, issuer);
307 if (previous_same && !same)
308 {
309 iterator->insert_before(iterator, (void *)cert->get_ref(cert));
310 last = FALSE;
311 break;
312 }
313 }
314 iterator->destroy(iterator);
315
316 if (last)
317 {
318 list->insert_last(list, (void *)cert->get_ref(cert));
319 }
320 }
321 enumerator->destroy(enumerator);
322 return list;
323 }
324
325 /**
326 * list all X.509 certificates matching the flags
327 */
328 static void stroke_list_certs(linked_list_t *list, char *label,
329 x509_flag_t flags, bool utc, FILE *out)
330 {
331 bool first = TRUE;
332 time_t now = time(NULL);
333 enumerator_t *enumerator = list->create_enumerator(list);
334 certificate_t *cert;
335
336 while (enumerator->enumerate(enumerator, (void**)&cert))
337 {
338 x509_t *x509 = (x509_t*)cert;
339 x509_flag_t x509_flags = x509->get_flags(x509);
340
341 /* list only if flag is set, or flags == 0 (ignoring self-signed) */
342 if ((x509_flags & flags) || (flags == (x509_flags & ~X509_SELF_SIGNED)))
343 {
344 enumerator_t *enumerator;
345 identification_t *altName;
346 bool first_altName = TRUE;
347 chunk_t serial = x509->get_serial(x509);
348 identification_t *authkey = x509->get_authKeyIdentifier(x509);
349 time_t notBefore, notAfter;
350 public_key_t *public = cert->get_public_key(cert);
351
352 if (first)
353 {
354 fprintf(out, "\n");
355 fprintf(out, "List of %s:\n", label);
356 first = FALSE;
357 }
358 fprintf(out, "\n");
359
360 /* list subjectAltNames */
361 enumerator = x509->create_subjectAltName_enumerator(x509);
362 while (enumerator->enumerate(enumerator, (void**)&altName))
363 {
364 if (first_altName)
365 {
366 fprintf(out, " altNames: ");
367 first_altName = FALSE;
368 }
369 else
370 {
371 fprintf(out, ", ");
372 }
373 fprintf(out, "%D", altName);
374 }
375 if (!first_altName)
376 {
377 fprintf(out, "\n");
378 }
379 enumerator->destroy(enumerator);
380
381 fprintf(out, " subject: \"%D\"\n", cert->get_subject(cert));
382 fprintf(out, " issuer: \"%D\"\n", cert->get_issuer(cert));
383 fprintf(out, " serial: %#B\n", &serial);
384
385 /* list validity */
386 cert->get_validity(cert, &now, &notBefore, &notAfter);
387 fprintf(out, " validity: not before %#T, ", &notBefore, utc);
388 if (now < notBefore)
389 {
390 fprintf(out, "not valid yet (valid in %#V)\n", &now, &notBefore);
391 }
392 else
393 {
394 fprintf(out, "ok\n");
395 }
396 fprintf(out, " not after %#T, ", &notAfter, utc);
397 if (now > notAfter)
398 {
399 fprintf(out, "expired (%#V ago)\n", &now, &notAfter);
400 }
401 else
402 {
403 fprintf(out, "ok");
404 if (now > notAfter - CERT_WARNING_INTERVAL * 60 * 60 * 24)
405 {
406 fprintf(out, " (expires in %#V)", &now, &notAfter);
407 }
408 fprintf(out, " \n");
409 }
410
411 /* list public key information */
412 if (public)
413 {
414 private_key_t *private = NULL;
415 identification_t *id, *keyid;
416
417 id = public->get_id(public, ID_PUBKEY_SHA1);
418 keyid = public->get_id(public, ID_PUBKEY_INFO_SHA1);
419
420 private = charon->credentials->get_private(
421 charon->credentials,
422 public->get_type(public), keyid, NULL);
423 fprintf(out, " pubkey: %N %d bits%s\n",
424 key_type_names, public->get_type(public),
425 public->get_keysize(public) * 8,
426 private ? ", has private key" : "");
427 fprintf(out, " keyid: %D\n", keyid);
428 fprintf(out, " subjkey: %D\n", id);
429 DESTROY_IF(private);
430 public->destroy(public);
431 }
432
433 /* list optional authorityKeyIdentifier */
434 if (authkey)
435 {
436 fprintf(out, " authkey: %D\n", authkey);
437 }
438 }
439 }
440 enumerator->destroy(enumerator);
441 }
442
443 /**
444 * list all X.509 attribute certificates
445 */
446 static void stroke_list_acerts(bool utc, FILE *out)
447 {
448
449 }
450
451 /**
452 * list all X.509 CRLs
453 */
454 static void stroke_list_crls(linked_list_t *list, bool utc, FILE *out)
455 {
456 bool first = TRUE;
457 time_t thisUpdate, nextUpdate, now = time(NULL);
458 enumerator_t *enumerator = list->create_enumerator(list);
459 certificate_t *cert;
460
461 while (enumerator->enumerate(enumerator, (void**)&cert))
462 {
463 crl_t *crl = (crl_t*)cert;
464 chunk_t serial = crl->get_serial(crl);
465 identification_t *authkey = crl->get_authKeyIdentifier(crl);
466
467 if (first)
468 {
469 fprintf(out, "\n");
470 fprintf(out, "List of X.509 CRLs:\n");
471 first = FALSE;
472 }
473 fprintf(out, "\n");
474
475 fprintf(out, " issuer: \"%D\"\n", cert->get_issuer(cert));
476
477 /* list optional crlNumber */
478 if (serial.ptr)
479 {
480 fprintf(out, " serial: %#B\n", &serial);
481 }
482
483 /* count the number of revoked certificates */
484 {
485 int count = 0;
486 enumerator_t *enumerator = crl->create_enumerator(crl);
487
488 while (enumerator->enumerate(enumerator, NULL, NULL, NULL))
489 {
490 count++;
491 }
492 fprintf(out, " revoked: %d certificate%s\n", count,
493 (count == 1)? "" : "s");
494 enumerator->destroy(enumerator);
495 }
496
497 /* list validity */
498 cert->get_validity(cert, &now, &thisUpdate, &nextUpdate);
499 fprintf(out, " updates: this %#T\n", &thisUpdate, utc);
500 fprintf(out, " next %#T, ", &nextUpdate, utc);
501 if (now > nextUpdate)
502 {
503 fprintf(out, "expired (%#V ago)\n", &now, &nextUpdate);
504 }
505 else
506 {
507 fprintf(out, "ok");
508 if (now > nextUpdate - CRL_WARNING_INTERVAL * 60 * 60 * 24)
509 {
510 fprintf(out, " (expires in %#V)", &now, &nextUpdate);
511 }
512 fprintf(out, " \n");
513 }
514
515 /* list optional authorityKeyIdentifier */
516 if (authkey)
517 {
518 fprintf(out, " authkey: %D\n", authkey);
519 }
520 }
521 enumerator->destroy(enumerator);
522 }
523
524 /**
525 * list all OCSP responses
526 */
527 static void stroke_list_ocsp(linked_list_t* list, bool utc, FILE *out)
528 {
529 bool first = TRUE;
530 enumerator_t *enumerator = list->create_enumerator(list);
531 certificate_t *cert;
532
533 while (enumerator->enumerate(enumerator, (void**)&cert))
534 {
535 if (first)
536 {
537 fprintf(out, "\n");
538 fprintf(out, "List of OCSP responses:\n");
539 fprintf(out, "\n");
540 first = FALSE;
541 }
542
543 fprintf(out, " signer: \"%D\"\n", cert->get_issuer(cert));
544 }
545 enumerator->destroy(enumerator);
546 }
547
548 /**
549 * Implementation of stroke_list_t.list.
550 */
551 static void list(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out)
552 {
553 linked_list_t *cert_list = NULL;
554
555 if (msg->list.flags & (LIST_CERTS | LIST_CACERTS | LIST_OCSPCERTS | LIST_AACERTS))
556 {
557 cert_list = create_unique_cert_list(CERT_X509);
558 }
559 if (msg->list.flags & LIST_CERTS)
560 {
561 stroke_list_certs(cert_list, "X.509 End Entity Certificates",
562 0, msg->list.utc, out);
563 }
564 if (msg->list.flags & LIST_CACERTS)
565 {
566 stroke_list_certs(cert_list, "X.509 CA Certificates",
567 X509_CA, msg->list.utc, out);
568 }
569 if (msg->list.flags & LIST_OCSPCERTS)
570 {
571 stroke_list_certs(cert_list, "X.509 OCSP Signer Certificates",
572 X509_OCSP_SIGNER, msg->list.utc, out);
573 }
574 if (msg->list.flags & LIST_AACERTS)
575 {
576 stroke_list_certs(cert_list, "X.509 AA Certificates",
577 X509_AA, msg->list.utc, out);
578 }
579 if (msg->list.flags & LIST_ACERTS)
580 {
581 stroke_list_acerts(msg->list.utc, out);
582 }
583 if (msg->list.flags & LIST_CRLS)
584 {
585 linked_list_t *crl_list = create_unique_cert_list(CERT_X509_CRL);
586
587 stroke_list_crls(crl_list, msg->list.utc, out);
588 crl_list->destroy_offset(crl_list, offsetof(certificate_t, destroy));
589 }
590 if (msg->list.flags & LIST_OCSP)
591 {
592 linked_list_t *ocsp_list = create_unique_cert_list(CERT_X509_OCSP_RESPONSE);
593
594 stroke_list_ocsp(ocsp_list, msg->list.utc, out);
595 ocsp_list->destroy_offset(ocsp_list, offsetof(certificate_t, destroy));
596 }
597 DESTROY_OFFSET_IF(cert_list, offsetof(certificate_t, destroy));
598 }
599
600 /**
601 * Implementation of stroke_list_t.destroy
602 */
603 static void destroy(private_stroke_list_t *this)
604 {
605 free(this);
606 }
607
608 /*
609 * see header file
610 */
611 stroke_list_t *stroke_list_create()
612 {
613 private_stroke_list_t *this = malloc_thing(private_stroke_list_t);
614
615 this->public.list = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out))list;
616 this->public.status = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out,bool))status;
617 this->public.destroy = (void(*)(stroke_list_t*))destroy;
618
619 this->uptime = time(NULL);
620
621 return &this->public;
622 }
623