programs/pluto/plutomain.c

   1 /* Pluto main program
   2  * Copyright (C) 1997 Angelos D. Keromytis.
   3  * Copyright (C) 1998-2001  D. Hugh Redelmeier.
   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  * RCSID $Id: plutomain.c,v 1.16 2005/09/25 21:30:52 as Exp $
  16  */
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <unistd.h>
  21 #include <ctype.h>
  22 #include <errno.h>
  23 #include <string.h>
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <sys/un.h>
  27 #include <fcntl.h>
  28 #include <getopt.h>
  29 #include <resolv.h>
  30 #include <arpa/nameser.h>       /* missing from <resolv.h> on old systems */
  31 #include <sys/queue.h>
  32
  33 #include <freeswan.h>
  34
  35 #include <pfkeyv2.h>
  36 #include <pfkey.h>
  37
  38 #include "constants.h"
  39 #include "defs.h"
  40 #include "id.h"
  41 #include "ca.h"
  42 #include "certs.h"
  43 #include "ac.h"
  44 #include "connections.h"
  45 #include "foodgroups.h"
  46 #include "packet.h"
  47 #include "demux.h"      /* needs packet.h */
  48 #include "server.h"
  49 #include "kernel.h"
  50 #include "log.h"
  51 #include "keys.h"
  52 #include "adns.h"       /* needs <resolv.h> */
  53 #include "dnskey.h"     /* needs keys.h and adns.h */
  54 #include "rnd.h"
  55 #include "state.h"
  56 #include "ipsec_doi.h"  /* needs demux.h and state.h */
  57 #include "ocsp.h"
  58 #include "crl.h"
  59 #include "fetch.h"
  60
  61 #include "sha1.h"
  62 #include "md5.h"
  63 #include "crypto.h"     /* requires sha1.h and md5.h */
  64
  65 #ifdef VIRTUAL_IP
  66 #include "virtual.h"
  67 #endif
  68
  69 #ifdef NAT_TRAVERSAL
  70 #include "nat_traversal.h"
  71 #endif
  72
  73 static void
  74 usage(const char *mess)
  75 {
  76     if (mess != NULL && *mess != '\0')
  77         fprintf(stderr, "%s\n", mess);
  78     fprintf(stderr
  79         , "Usage: pluto"
  80             " [--help]"
  81             " [--version]"
  82             " [--optionsfrom <filename>]"
  83             " \\\n\t"
  84             "[--nofork]"
  85             " [--stderrlog]"
  86             " [--noklips]"
  87             " [--nocrsend]"
  88             " \\\n\t"
  89             "[--strictcrlpolicy]"
  90             " [--crlcheckinterval]"
  91             " [--cachecrls]"
  92             " [--uniqueids]"
  93             " \\\n\t"
  94             "[--interface <ifname>]"
  95             " [--ikeport <port-number>]"
  96             " \\\n\t"
  97             "[--ctlbase <path>]"
  98             " \\\n\t"
  99             "[--perpeerlogbase <path>] [--perpeerlog]"
 100             " \\\n\t"
 101             "[--secretsfile <secrets-file>]"
 102             " [--policygroupsdir <policygroups-dir>]"
 103             " \\\n\t"
 104             "[--adns <pathname>]"
 105             "[--pkcs11module <path>]"
 106             "[--pkcs11keepstate"
 107 #ifdef DEBUG
 108             " \\\n\t"
 109             "[--debug-none]"
 110             " [--debug-all]"
 111             " \\\n\t"
 112             "[--debug-raw]"
 113             " [--debug-crypt]"
 114             " [--debug-parsing]"
 115             " [--debug-emitting]"
 116             " \\\n\t"
 117             "[--debug-control]"
 118             " [--debug-lifecycle]"
 119             " [--debug-klips]"
 120             " [--debug-dns]"
 121             " \\\n\t"
 122             "[--debug-oppo]"
 123             " [--debug-controlmore]"
 124             " [--debug-private]"
 125 #endif
 126 #ifdef NAT_TRAVERSAL
 127             " [ --debug-natt]"
 128             " \\\n\t"
 129             "[--nat_traversal] [--keep_alive <delay_sec>]"
 130             " \\\n\t"
 131             "[--force_keepalive] [--disable_port_floating]"
 132 #endif
 133 #ifdef VIRTUAL_IP
 134            " \\\n\t"
 135            "[--virtual_private <network_list>]"
 136 #endif
 137             "\n"
 138         "strongSwan %s\n"
 139         , ipsec_version_code());
 140     exit_pluto(mess == NULL? 0 : 1);
 141 }
 142
 143
 144 /* lock file support
 145  * - provides convenient way for scripts to find Pluto's pid
 146  * - prevents multiple Plutos competing for the same port
 147  * - same basename as unix domain control socket
 148  * NOTE: will not take account of sharing LOCK_DIR with other systems.
 149  */
 150
 151 static char pluto_lock[sizeof(ctl_addr.sun_path)] = DEFAULT_CTLBASE LOCK_SUFFIX;
 152 static bool pluto_lock_created = FALSE;
 153
 154 /* create lockfile, or die in the attempt */
 155 static int
 156 create_lock(void)
 157 {
 158     int fd = open(pluto_lock, O_WRONLY | O_CREAT | O_EXCL | O_TRUNC
 159         , S_IRUSR | S_IRGRP | S_IROTH);
 160
 161     if (fd < 0)
 162     {
 163         if (errno == EEXIST)
 164         {
 165             fprintf(stderr, "pluto: lock file \"%s\" already exists\n"
 166                 , pluto_lock);
 167             exit_pluto(10);
 168         }
 169         else
 170         {
 171             fprintf(stderr
 172                 , "pluto: unable to create lock file \"%s\" (%d %s)\n"
 173                 , pluto_lock, errno, strerror(errno));
 174             exit_pluto(1);
 175         }
 176     }
 177     pluto_lock_created = TRUE;
 178     return fd;
 179 }
 180
 181 static bool
 182 fill_lock(int lockfd, pid_t pid)
 183 {
 184     char buf[30];       /* holds "<pid>\n" */
 185     int len = snprintf(buf, sizeof(buf), "%u\n", (unsigned int) pid);
 186     bool ok = len > 0 && write(lockfd, buf, len) == len;
 187
 188     close(lockfd);
 189     return ok;
 190 }
 191
 192 static void
 193 delete_lock(void)
 194 {
 195     if (pluto_lock_created)
 196     {
 197         delete_ctl_socket();
 198         unlink(pluto_lock);     /* is noting failure useful? */
 199     }
 200 }
 201
 202 /* by default pluto sends certificate requests to its peers */
 203 bool no_cr_send = FALSE;
 204
 205 /* by default the CRL policy is lenient */
 206 bool strict_crl_policy = FALSE;
 207
 208 /* by default CRLs are cached locally as files */
 209 bool cache_crls = FALSE;
 210
 211 /* by default pluto does not check crls dynamically */
 212 long crl_check_interval = 0;
 213
 214 /* path to the PKCS#11 module */
 215 char *pkcs11_module_path = NULL;
 216
 217 /* by default pluto logs out after every smartcard use */
 218 bool pkcs11_keep_state = FALSE;
 219
 220 /* by default pluto does not allow pkcs11 proxy access via whack */
 221 bool pkcs11_proxy = FALSE;
 222
 223 int
 224 main(int argc, char **argv)
 225 {
 226     bool fork_desired = TRUE;
 227     bool log_to_stderr_desired = FALSE;
 228 #ifdef NAT_TRAVERSAL
 229     bool nat_traversal = FALSE;
 230     bool nat_t_spf = TRUE;  /* support port floating */
 231     unsigned int keep_alive = 0;
 232     bool force_keepalive = FALSE;
 233 #endif
 234 #ifdef VIRTUAL_IP
 235     char *virtual_private = NULL;
 236 #endif
 237     int lockfd;
 238
 239     /* handle arguments */
 240     for (;;)
 241     {
 242 #       define DBG_OFFSET 256
 243         static const struct option long_opts[] = {
 244             /* name, has_arg, flag, val */
 245             { "help", no_argument, NULL, 'h' },
 246             { "version", no_argument, NULL, 'v' },
 247             { "optionsfrom", required_argument, NULL, '+' },
 248             { "nofork", no_argument, NULL, 'd' },
 249             { "stderrlog", no_argument, NULL, 'e' },
 250             { "noklips", no_argument, NULL, 'n' },
 251             { "nocrsend", no_argument, NULL, 'c' },
 252             { "strictcrlpolicy", no_argument, NULL, 'r' },
 253             { "crlcheckinterval", required_argument, NULL, 'x'},
 254             { "cachecrls", no_argument, NULL, 'C' },
 255             { "uniqueids", no_argument, NULL, 'u' },
 256             { "interface", required_argument, NULL, 'i' },
 257             { "ikeport", required_argument, NULL, 'p' },
 258             { "ctlbase", required_argument, NULL, 'b' },
 259             { "secretsfile", required_argument, NULL, 's' },
 260             { "foodgroupsdir", required_argument, NULL, 'f' },
 261             { "perpeerlogbase", required_argument, NULL, 'P' },
 262             { "perpeerlog", no_argument, NULL, 'l' },
 263             { "policygroupsdir", required_argument, NULL, 'f' },
 264 #ifdef USE_LWRES
 265             { "lwdnsq", required_argument, NULL, 'a' },
 266 #else /* !USE_LWRES */
 267             { "adns", required_argument, NULL, 'a' },
 268 #endif /* !USE_LWRES */
 269             { "pkcs11module", required_argument, NULL, 'm' },
 270             { "pkcs11keepstate", no_argument, NULL, 'k' },
 271             { "pkcs11proxy", no_argument, NULL, 'y' },
 272 #ifdef NAT_TRAVERSAL
 273             { "nat_traversal", no_argument, NULL, '1' },
 274             { "keep_alive", required_argument, NULL, '2' },
 275             { "force_keepalive", no_argument, NULL, '3' },
 276             { "disable_port_floating", no_argument, NULL, '4' },
 277             { "debug-natt", no_argument, NULL, '5' },
 278 #endif
 279 #ifdef VIRTUAL_IP
 280             { "virtual_private", required_argument, NULL, '6' },
 281 #endif
 282 #ifdef DEBUG
 283             { "debug-none", no_argument, NULL, 'N' },
 284             { "debug-all", no_argument, NULL, 'A' },
 285
 286             { "debug-raw", no_argument, NULL, DBG_RAW + DBG_OFFSET },
 287             { "debug-crypt", no_argument, NULL, DBG_CRYPT + DBG_OFFSET },
 288             { "debug-parsing", no_argument, NULL, DBG_PARSING + DBG_OFFSET },
 289             { "debug-emitting", no_argument, NULL, DBG_EMITTING + DBG_OFFSET },
 290             { "debug-control", no_argument, NULL, DBG_CONTROL + DBG_OFFSET },
 291             { "debug-lifecycle", no_argument, NULL, DBG_LIFECYCLE + DBG_OFFSET },
 292             { "debug-klips", no_argument, NULL, DBG_KLIPS + DBG_OFFSET },
 293             { "debug-dns", no_argument, NULL, DBG_DNS + DBG_OFFSET },
 294             { "debug-oppo", no_argument, NULL, DBG_OPPO + DBG_OFFSET },
 295             { "debug-controlmore", no_argument, NULL, DBG_CONTROLMORE + DBG_OFFSET },
 296             { "debug-private", no_argument, NULL, DBG_PRIVATE + DBG_OFFSET },
 297
 298             { "impair-delay-adns-key-answer", no_argument, NULL, IMPAIR_DELAY_ADNS_KEY_ANSWER + DBG_OFFSET },
 299             { "impair-delay-adns-txt-answer", no_argument, NULL, IMPAIR_DELAY_ADNS_TXT_ANSWER + DBG_OFFSET },
 300             { "impair-bust-mi2", no_argument, NULL, IMPAIR_BUST_MI2 + DBG_OFFSET },
 301             { "impair-bust-mr2", no_argument, NULL, IMPAIR_BUST_MR2 + DBG_OFFSET },
 302 #endif
 303             { 0,0,0,0 }
 304             };
 305         /* Note: we don't like the way short options get parsed
 306          * by getopt_long, so we simply pass an empty string as
 307          * the list.  It could be "hvdenp:l:s:" "NARXPECK".
 308          */
 309         int c = getopt_long(argc, argv, "", long_opts, NULL);
 310
 311         /* Note: "breaking" from case terminates loop */
 312         switch (c)
 313         {
 314         case EOF:       /* end of flags */
 315             break;
 316
 317         case 0: /* long option already handled */
 318             continue;
 319
 320         case ':':       /* diagnostic already printed by getopt_long */
 321         case '?':       /* diagnostic already printed by getopt_long */
 322             usage("");
 323             break;   /* not actually reached */
 324
 325         case 'h':       /* --help */
 326             usage(NULL);
 327             break;      /* not actually reached */
 328
 329         case 'v':       /* --version */
 330             {
 331                 const char **sp = ipsec_copyright_notice();
 332
 333                 printf("%s%s\n", ipsec_version_string(),
 334                                  compile_time_interop_options);
 335                 for (; *sp != NULL; sp++)
 336                     puts(*sp);
 337             }
 338             exit_pluto(0);
 339             break;      /* not actually reached */
 340
 341         case '+':       /* --optionsfrom <filename> */
 342             optionsfrom(optarg, &argc, &argv, optind, stderr);
 343             /* does not return on error */
 344             continue;
 345
 346         case 'd':       /* --nofork*/
 347             fork_desired = FALSE;
 348             continue;
 349
 350         case 'e':       /* --stderrlog */
 351             log_to_stderr_desired = TRUE;
 352             continue;
 353
 354         case 'n':       /* --noklips */
 355             no_klips = TRUE;
 356             continue;
 357
 358         case 'c':       /* --nocrsend */
 359             no_cr_send = TRUE;
 360             continue;
 361
 362         case 'r':       /* --strictcrlpolicy */
 363             strict_crl_policy = TRUE;
 364             continue;
 365
 366         case 'x':       /* --crlcheckinterval <time>*/
 367             if (optarg == NULL || !isdigit(optarg[0]))
 368                 usage("missing interval time");
 369
 370             {
 371                 char *endptr;
 372                 long interval = strtol(optarg, &endptr, 0);
 373
 374                 if (*endptr != '\0' || endptr == optarg
 375                 || interval <= 0)
 376                     usage("<interval-time> must be a positive number");
 377                 crl_check_interval = interval;
 378             }
 379             continue;
 380
 381         case 'C':       /* --cachecrls */
 382             cache_crls = TRUE;
 383             continue;
 384
 385         case 'u':       /* --uniqueids */
 386             uniqueIDs = TRUE;
 387             continue;
 388
 389         case 'i':       /* --interface <ifname> */
 390             if (!use_interface(optarg))
 391                 usage("too many --interface specifications");
 392             continue;
 393
 394         case 'p':       /* --port <portnumber> */
 395             if (optarg == NULL || !isdigit(optarg[0]))
 396                 usage("missing port number");
 397
 398             {
 399                 char *endptr;
 400                 long port = strtol(optarg, &endptr, 0);
 401
 402                 if (*endptr != '\0' || endptr == optarg
 403                 || port <= 0 || port > 0x10000)
 404                     usage("<port-number> must be a number between 1 and 65535");
 405                 pluto_port = port;
 406             }
 407             continue;
 408
 409         case 'b':       /* --ctlbase <path> */
 410             if (snprintf(ctl_addr.sun_path, sizeof(ctl_addr.sun_path)
 411             , "%s%s", optarg, CTL_SUFFIX) == -1)
 412                 usage("<path>" CTL_SUFFIX " too long for sun_path");
 413             if (snprintf(info_addr.sun_path, sizeof(info_addr.sun_path)
 414             , "%s%s", optarg, INFO_SUFFIX) == -1)
 415                 usage("<path>" INFO_SUFFIX " too long for sun_path");
 416             if (snprintf(pluto_lock, sizeof(pluto_lock)
 417             , "%s%s", optarg, LOCK_SUFFIX) == -1)
 418                 usage("<path>" LOCK_SUFFIX " must fit");
 419             continue;
 420
 421         case 's':       /* --secretsfile <secrets-file> */
 422             shared_secrets_file = optarg;
 423             continue;
 424
 425         case 'f':       /* --policygroupsdir <policygroups-dir> */
 426             policygroups_dir = optarg;
 427             continue;
 428
 429         case 'a':       /* --adns <pathname> */
 430             pluto_adns_option = optarg;
 431             continue;
 432
 433         case 'm':       /* --pkcs11module <pathname> */
 434             pkcs11_module_path = optarg;
 435             continue;
 436
 437         case 'k':       /* --pkcs11keepstate */
 438             pkcs11_keep_state = TRUE;
 439             continue;
 440
 441         case 'y':       /* --pkcs11proxy */
 442             pkcs11_proxy = TRUE;
 443             continue;
 444
 445 #ifdef DEBUG
 446         case 'N':       /* --debug-none */
 447             base_debugging = DBG_NONE;
 448             continue;
 449
 450         case 'A':       /* --debug-all */
 451             base_debugging = DBG_ALL;
 452             continue;
 453 #endif
 454
 455         case 'P':       /* --perpeerlogbase */
 456             base_perpeer_logdir = optarg;
 457             continue;
 458
 459         case 'l':
 460             log_to_perpeer = TRUE;
 461             continue;
 462
 463 #ifdef NAT_TRAVERSAL
 464         case '1':       /* --nat_traversal */
 465             nat_traversal = TRUE;
 466             continue;
 467         case '2':       /* --keep_alive */
 468             keep_alive = atoi(optarg);
 469             continue;
 470         case '3':       /* --force_keepalive */
 471             force_keepalive = TRUE;
 472             continue;
 473         case '4':       /* --disable_port_floating */
 474             nat_t_spf = FALSE;
 475             continue;
 476         case '5':       /* --debug-nat_t */
 477             base_debugging |= DBG_NATT;
 478             continue;
 479 #endif
 480 #ifdef VIRTUAL_IP
 481         case '6':       /* --virtual_private */
 482             virtual_private = optarg;
 483             continue;
 484 #endif
 485
 486         default:
 487 #ifdef DEBUG
 488             if (c >= DBG_OFFSET)
 489             {
 490                 base_debugging |= c - DBG_OFFSET;
 491                 continue;
 492             }
 493 #       undef DBG_OFFSET
 494 #endif
 495             bad_case(c);
 496         }
 497         break;
 498     }
 499     if (optind != argc)
 500         usage("unexpected argument");
 501     reset_debugging();
 502     lockfd = create_lock();
 503
 504     /* select between logging methods */
 505
 506     if (log_to_stderr_desired)
 507         log_to_syslog = FALSE;
 508     else
 509         log_to_stderr = FALSE;
 510
 511     /* set the logging function of pfkey debugging */
 512 #ifdef DEBUG
 513     pfkey_debug_func = DBG_log;
 514 #else
 515     pfkey_debug_func = NULL;
 516 #endif
 517
 518     /* create control socket.
 519      * We must create it before the parent process returns so that
 520      * there will be no race condition in using it.  The easiest
 521      * place to do this is before the daemon fork.
 522      */
 523     {
 524         err_t ugh = init_ctl_socket();
 525
 526         if (ugh != NULL)
 527         {
 528             fprintf(stderr, "pluto: %s", ugh);
 529             exit_pluto(1);
 530         }
 531     }
 532
 533 #ifdef IPSECPOLICY
 534     /* create info socket. */
 535     {
 536         err_t ugh = init_info_socket();
 537
 538         if (ugh != NULL)
 539         {
 540             fprintf(stderr, "pluto: %s", ugh);
 541             exit_pluto(1);
 542         }
 543     }
 544 #endif
 545
 546     /* If not suppressed, do daemon fork */
 547
 548     if (fork_desired)
 549     {
 550         {
 551             pid_t pid = fork();
 552
 553             if (pid < 0)
 554             {
 555                 int e = errno;
 556
 557                 fprintf(stderr, "pluto: fork failed (%d %s)\n",
 558                     errno, strerror(e));
 559                 exit_pluto(1);
 560             }
 561
 562             if (pid != 0)
 563             {
 564                 /* parent: die, after filling PID into lock file.
 565                  * must not use exit_pluto: lock would be removed!
 566                  */
 567                 exit(fill_lock(lockfd, pid)? 0 : 1);
 568             }
 569         }
 570
 571         if (setsid() < 0)
 572         {
 573             int e = errno;
 574
 575             fprintf(stderr, "setsid() failed in main(). Errno %d: %s\n",
 576                 errno, strerror(e));
 577             exit_pluto(1);
 578         }
 579     }
 580     else
 581     {
 582         /* no daemon fork: we have to fill in lock file */
 583         (void) fill_lock(lockfd, getpid());
 584         fprintf(stdout, "Pluto initialized\n");
 585         fflush(stdout);
 586     }
 587
 588     /* Close everything but ctl_fd and (if needed) stderr.
 589      * There is some danger that a library that we don't know
 590      * about is using some fd that we don't know about.
 591      * I guess we'll soon find out.
 592      */
 593     {
 594         int i;
 595
 596         for (i = getdtablesize() - 1; i >= 0; i--)  /* Bad hack */
 597             if ((!log_to_stderr || i != 2)
 598 #ifdef IPSECPOLICY
 599             && i != info_fd
 600 #endif
 601             && i != ctl_fd)
 602                 close(i);
 603
 604         /* make sure that stdin, stdout, stderr are reserved */
 605         if (open("/dev/null", O_RDONLY) != 0)
 606             abort();
 607         if (dup2(0, 1) != 1)
 608             abort();
 609         if (!log_to_stderr && dup2(0, 2) != 2)
 610             abort();
 611     }
 612
 613     init_constants();
 614     init_log("pluto");
 615
 616     /* Note: some scripts may look for this exact message -- don't change
 617      * ipsec barf was one, but it no longer does.
 618      */
 619     plog("Starting Pluto (strongSwan Version %s%s)"
 620         , ipsec_version_code()
 621         , compile_time_interop_options);
 622
 623 #ifdef NAT_TRAVERSAL
 624     init_nat_traversal(nat_traversal, keep_alive, force_keepalive, nat_t_spf);
 625 #endif
 626
 627 #ifdef VIRTUAL_IP
 628     init_virtual_ip(virtual_private);
 629 #endif
 630     scx_init(pkcs11_module_path);   /* load and initialize PKCS #11 module */
 631     init_rnd_pool();
 632     init_secret();
 633     init_states();
 634     init_crypto();
 635     init_demux();
 636     init_kernel();
 637     init_adns();
 638     init_id();
 639     init_fetch();
 640
 641     /* loading X.509 CA certificates */
 642     load_authcerts("CA cert", CA_CERT_PATH, AUTH_CA);
 643     /* loading X.509 AA certificates */
 644     load_authcerts("AA cert", AA_CERT_PATH, AUTH_AA);
 645     /* loading X.509 OCSP certificates */
 646     load_authcerts("OCSP cert", OCSP_CERT_PATH, AUTH_OCSP);
 647     /* loading X.509 CRLs */
 648     load_crls();
 649     /* loading attribute certificates (experimental) */
 650     load_acerts();
 651
 652     daily_log_event();
 653     call_server();
 654     return -1;  /* Shouldn't ever reach this */
 655 }
 656
 657 /* leave pluto, with status.
 658  * Once child is launched, parent must not exit this way because
 659  * the lock would be released.
 660  *
 661  *  0 OK
 662  *  1 general discomfort
 663  * 10 lock file exists
 664  */
 665 void
 666 exit_pluto(int status)
 667 {
 668     reset_globals();    /* needed because we may be called in odd state */
 669     free_preshared_secrets();
 670     free_remembered_public_keys();
 671     delete_every_connection();
 672     free_crl_fetch();           /* free chain of crl fetch requests */
 673     free_ocsp_fetch();          /* free chain of ocsp fetch requests */
 674     free_authcerts();           /* free chain of X.509 authority certificates */
 675     free_crls();                /* free chain of X.509 CRLs */
 676     free_acerts();              /* free chain of X.509 attribute certificates */
 677     free_ca_infos();            /* free chain of X.509 CA information records */
 678     free_ocsp();                /* free ocsp cache */
 679     free_ifaces();
 680     scx_finalize();             /* finalize and unload PKCS #11 module */
 681     stop_adns();
 682     free_md_pool();
 683     delete_lock();
 684 #ifdef LEAK_DETECTIVE
 685     report_leaks();
 686 #endif /* LEAK_DETECTIVE */
 687     close_log();
 688     exit(status);
 689 }
 690
 691 /*
 692  * Local Variables:
 693  * c-basic-offset:4
 694  * c-style: pluto
 695  * End:
 696  */