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