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