apps/openssl.c

   1 /*
   2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <stdlib.h>
  13 #include <openssl/bio.h>
  14 #include <openssl/crypto.h>
  15 #include <openssl/lhash.h>
  16 #include <openssl/conf.h>
  17 #include <openssl/x509.h>
  18 #include <openssl/pem.h>
  19 #include <openssl/ssl.h>
  20 #ifndef OPENSSL_NO_ENGINE
  21 # include <openssl/engine.h>
  22 #endif
  23 #include <openssl/err.h>
  24 #ifdef OPENSSL_FIPS
  25 # include <openssl/fips.h>
  26 #endif
  27 #define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
  28 #include "s_apps.h"
  29 /* Needed to get the other O_xxx flags. */
  30 #ifdef OPENSSL_SYS_VMS
  31 # include <unixio.h>
  32 #endif
  33 #define INCLUDE_FUNCTION_TABLE
  34 #include "apps.h"
  35
  36
  37 #ifdef OPENSSL_NO_CAMELLIA
  38 # define FORMAT "%-15s"
  39 # define COLUMNS 5
  40 #else
  41 # define FORMAT "%-18s"
  42 # define COLUMNS 4
  43 #endif
  44
  45 /* Special sentinel to exit the program. */
  46 #define EXIT_THE_PROGRAM (-1)
  47
  48 /*
  49  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with
  50  * the base prototypes (we cast each variable inside the function to the
  51  * required type of "FUNCTION*"). This removes the necessity for
  52  * macro-generated wrapper functions.
  53  */
  54 static LHASH_OF(FUNCTION) *prog_init(void);
  55 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
  56 static void list_pkey(void);
  57 static void list_type(FUNC_TYPE ft);
  58 static void list_disabled(void);
  59 char *default_config_file = NULL;
  60
  61 static CONF *config = NULL;
  62 BIO *bio_in = NULL;
  63 BIO *bio_out = NULL;
  64 BIO *bio_err = NULL;
  65
  66 static int apps_startup()
  67 {
  68 #ifdef SIGPIPE
  69     signal(SIGPIPE, SIG_IGN);
  70 #endif
  71
  72     /* Set non-default library initialisation settings */
  73     if (!OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_ALL_BUILTIN
  74                              | OPENSSL_INIT_LOAD_CONFIG, NULL))
  75         return 0;
  76
  77 #ifndef OPENSSL_NO_UI
  78     setup_ui_method();
  79 #endif
  80
  81     return 1;
  82 }
  83
  84 static void apps_shutdown()
  85 {
  86 #ifndef OPENSSL_NO_UI
  87     destroy_ui_method();
  88 #endif
  89 }
  90
  91 static char *make_config_name()
  92 {
  93     const char *t;
  94     size_t len;
  95     char *p;
  96
  97     if ((t = getenv("OPENSSL_CONF")) != NULL)
  98         return OPENSSL_strdup(t);
  99
 100     t = X509_get_default_cert_area();
 101     len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
 102     p = app_malloc(len, "config filename buffer");
 103     strcpy(p, t);
 104 #ifndef OPENSSL_SYS_VMS
 105     strcat(p, "/");
 106 #endif
 107     strcat(p, OPENSSL_CONF);
 108
 109     return p;
 110 }
 111
 112 int main(int argc, char *argv[])
 113 {
 114     FUNCTION f, *fp;
 115     LHASH_OF(FUNCTION) *prog = NULL;
 116     char **copied_argv = NULL;
 117     char *p, *pname;
 118     char buf[1024];
 119     const char *prompt;
 120     ARGS arg;
 121     int first, n, i, ret = 0;
 122
 123     arg.argv = NULL;
 124     arg.size = 0;
 125
 126     /* Set up some of the environment. */
 127     default_config_file = make_config_name();
 128     bio_in = dup_bio_in(FORMAT_TEXT);
 129     bio_out = dup_bio_out(FORMAT_TEXT);
 130     bio_err = dup_bio_err(FORMAT_TEXT);
 131
 132 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
 133     copied_argv = argv = copy_argv(&argc, argv);
 134 #elif defined(_WIN32)
 135     /*
 136      * Replace argv[] with UTF-8 encoded strings.
 137      */
 138     win32_utf8argv(&argc, &argv);
 139 #endif
 140
 141     p = getenv("OPENSSL_DEBUG_MEMORY");
 142     if (p != NULL && strcmp(p, "on") == 0)
 143         CRYPTO_set_mem_debug(1);
 144     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 145
 146     if (getenv("OPENSSL_FIPS")) {
 147 #ifdef OPENSSL_FIPS
 148         if (!FIPS_mode_set(1)) {
 149             ERR_print_errors(bio_err);
 150             return 1;
 151         }
 152 #else
 153         BIO_printf(bio_err, "FIPS mode not supported.\n");
 154         return 1;
 155 #endif
 156     }
 157
 158     if (!apps_startup())
 159         goto end;
 160
 161     prog = prog_init();
 162     pname = opt_progname(argv[0]);
 163
 164     /* first check the program name */
 165     f.name = pname;
 166     fp = lh_FUNCTION_retrieve(prog, &f);
 167     if (fp != NULL) {
 168         argv[0] = pname;
 169         ret = fp->func(argc, argv);
 170         goto end;
 171     }
 172
 173     /* If there is stuff on the command line, run with that. */
 174     if (argc != 1) {
 175         argc--;
 176         argv++;
 177         ret = do_cmd(prog, argc, argv);
 178         if (ret < 0)
 179             ret = 0;
 180         goto end;
 181     }
 182
 183     /* ok, lets enter interactive mode */
 184     for (;;) {
 185         ret = 0;
 186         /* Read a line, continue reading if line ends with \ */
 187         for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
 188             prompt = first ? "OpenSSL> " : "> ";
 189             p[0] = '\0';
 190 #ifndef READLINE
 191             fputs(prompt, stdout);
 192             fflush(stdout);
 193             if (!fgets(p, n, stdin))
 194                 goto end;
 195             if (p[0] == '\0')
 196                 goto end;
 197             i = strlen(p);
 198             if (i <= 1)
 199                 break;
 200             if (p[i - 2] != '\\')
 201                 break;
 202             i -= 2;
 203             p += i;
 204             n -= i;
 205 #else
 206             {
 207                 extern char *readline(const char *);
 208                 extern void add_history(const char *cp);
 209                 char *text;
 210
 211                 text = readline(prompt);
 212                 if (text == NULL)
 213                     goto end;
 214                 i = strlen(text);
 215                 if (i == 0 || i > n)
 216                     break;
 217                 if (text[i - 1] != '\\') {
 218                     p += strlen(strcpy(p, text));
 219                     free(text);
 220                     add_history(buf);
 221                     break;
 222                 }
 223
 224                 text[i - 1] = '\0';
 225                 p += strlen(strcpy(p, text));
 226                 free(text);
 227                 n -= i;
 228             }
 229 #endif
 230         }
 231
 232         if (!chopup_args(&arg, buf)) {
 233             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 234             break;
 235         }
 236
 237         ret = do_cmd(prog, arg.argc, arg.argv);
 238         if (ret == EXIT_THE_PROGRAM) {
 239             ret = 0;
 240             goto end;
 241         }
 242         if (ret != 0)
 243             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 244         (void)BIO_flush(bio_out);
 245         (void)BIO_flush(bio_err);
 246     }
 247     ret = 1;
 248  end:
 249     OPENSSL_free(copied_argv);
 250     OPENSSL_free(default_config_file);
 251     NCONF_free(config);
 252     config = NULL;
 253     lh_FUNCTION_free(prog);
 254     OPENSSL_free(arg.argv);
 255
 256     BIO_free(bio_in);
 257     BIO_free_all(bio_out);
 258     apps_shutdown();
 259 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 260     if (CRYPTO_mem_leaks(bio_err) <= 0)
 261         ret = 1;
 262 #endif
 263     BIO_free(bio_err);
 264     EXIT(ret);
 265 }
 266
 267 const OPTIONS exit_options[] = {
 268     {NULL}
 269 };
 270
 271 static void list_cipher_fn(const EVP_CIPHER *c,
 272                            const char *from, const char *to, void *arg)
 273 {
 274     if (c)
 275         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 276     else {
 277         if (!from)
 278             from = "<undefined>";
 279         if (!to)
 280             to = "<undefined>";
 281         BIO_printf(arg, "%s => %s\n", from, to);
 282     }
 283 }
 284
 285 static void list_md_fn(const EVP_MD *m,
 286                        const char *from, const char *to, void *arg)
 287 {
 288     if (m)
 289         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 290     else {
 291         if (!from)
 292             from = "<undefined>";
 293         if (!to)
 294             to = "<undefined>";
 295         BIO_printf((BIO *)arg, "%s => %s\n", from, to);
 296     }
 297 }
 298
 299 static void list_missing_help(void)
 300 {
 301     const FUNCTION *fp;
 302     const OPTIONS *o;
 303
 304     for (fp = functions; fp->name != NULL; fp++) {
 305         if ((o = fp->help) == NULL) {
 306             BIO_printf(bio_out, "%s *\n", fp->name);
 307             continue;
 308         }
 309         for ( ; o->name != NULL; o++) {
 310             if (o->helpstr == NULL)
 311                 BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
 312         }
 313     }
 314 }
 315
 316
 317 /* Unified enum for help and list commands. */
 318 typedef enum HELPLIST_CHOICE {
 319     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
 320     OPT_COMMANDS, OPT_DIGEST_COMMANDS,
 321     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 322     OPT_PK_ALGORITHMS, OPT_DISABLED, OPT_MISSING_HELP
 323 } HELPLIST_CHOICE;
 324
 325 const OPTIONS list_options[] = {
 326     {"help", OPT_HELP, '-', "Display this summary"},
 327     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 328     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 329      "List of message digest commands"},
 330     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 331      "List of message digest algorithms"},
 332     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 333     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 334      "List of cipher algorithms"},
 335     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 336      "List of public key algorithms"},
 337     {"disabled", OPT_DISABLED, '-',
 338      "List of disabled features"},
 339     {"missing-help", OPT_MISSING_HELP, '-',
 340      "List missing detailed help strings"},
 341     {NULL}
 342 };
 343
 344 int list_main(int argc, char **argv)
 345 {
 346     char *prog;
 347     HELPLIST_CHOICE o;
 348     int done = 0;
 349
 350     prog = opt_init(argc, argv, list_options);
 351     while ((o = opt_next()) != OPT_EOF) {
 352         switch (o) {
 353         case OPT_EOF:  /* Never hit, but suppresses warning */
 354         case OPT_ERR:
 355             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 356             return 1;
 357         case OPT_HELP:
 358             opt_help(list_options);
 359             break;
 360         case OPT_COMMANDS:
 361             list_type(FT_general);
 362             break;
 363         case OPT_DIGEST_COMMANDS:
 364             list_type(FT_md);
 365             break;
 366         case OPT_DIGEST_ALGORITHMS:
 367             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 368             break;
 369         case OPT_CIPHER_COMMANDS:
 370             list_type(FT_cipher);
 371             break;
 372         case OPT_CIPHER_ALGORITHMS:
 373             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 374             break;
 375         case OPT_PK_ALGORITHMS:
 376             list_pkey();
 377             break;
 378         case OPT_DISABLED:
 379             list_disabled();
 380             break;
 381         case OPT_MISSING_HELP:
 382             list_missing_help();
 383             break;
 384         }
 385         done = 1;
 386     }
 387
 388     if (!done) {
 389         BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 390         return 1;
 391     }
 392
 393     return 0;
 394 }
 395
 396 typedef enum HELP_CHOICE {
 397     OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP
 398 } HELP_CHOICE;
 399
 400 const OPTIONS help_options[] = {
 401     {"help", OPT_hHELP, '-', "Display this summary"},
 402     {NULL}
 403 };
 404
 405
 406 int help_main(int argc, char **argv)
 407 {
 408     FUNCTION *fp;
 409     int i, nl;
 410     FUNC_TYPE tp;
 411     char *prog;
 412     HELP_CHOICE o;
 413
 414     prog = opt_init(argc, argv, help_options);
 415     while ((o = opt_next()) != OPT_hEOF) {
 416         switch (o) {
 417         case OPT_hERR:
 418         case OPT_hEOF:
 419             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 420             return 1;
 421         case OPT_hHELP:
 422             opt_help(help_options);
 423             return 0;
 424         }
 425     }
 426
 427     if (opt_num_rest() != 0) {
 428         BIO_printf(bio_err, "Usage: %s\n", prog);
 429         return 1;
 430     }
 431
 432     BIO_printf(bio_err, "\nStandard commands");
 433     i = 0;
 434     tp = FT_none;
 435     for (fp = functions; fp->name != NULL; fp++) {
 436         nl = 0;
 437         if (((i++) % COLUMNS) == 0) {
 438             BIO_printf(bio_err, "\n");
 439             nl = 1;
 440         }
 441         if (fp->type != tp) {
 442             tp = fp->type;
 443             if (!nl)
 444                 BIO_printf(bio_err, "\n");
 445             if (tp == FT_md) {
 446                 i = 1;
 447                 BIO_printf(bio_err,
 448                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 449             } else if (tp == FT_cipher) {
 450                 i = 1;
 451                 BIO_printf(bio_err,
 452                            "\nCipher commands (see the `enc' command for more details)\n");
 453             }
 454         }
 455         BIO_printf(bio_err, FORMAT, fp->name);
 456     }
 457     BIO_printf(bio_err, "\n\n");
 458     return 0;
 459 }
 460
 461 int exit_main(int argc, char **argv)
 462 {
 463     return EXIT_THE_PROGRAM;
 464 }
 465
 466 static void list_type(FUNC_TYPE ft)
 467 {
 468     FUNCTION *fp;
 469     int i = 0;
 470
 471     for (fp = functions; fp->name != NULL; fp++)
 472         if (fp->type == ft) {
 473             if ((i++ % COLUMNS) == 0)
 474                 BIO_printf(bio_out, "\n");
 475             BIO_printf(bio_out, FORMAT, fp->name);
 476         }
 477     BIO_printf(bio_out, "\n");
 478 }
 479
 480 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 481 {
 482     FUNCTION f, *fp;
 483
 484     if (argc <= 0 || argv[0] == NULL)
 485         return (0);
 486     f.name = argv[0];
 487     fp = lh_FUNCTION_retrieve(prog, &f);
 488     if (fp == NULL) {
 489         if (EVP_get_digestbyname(argv[0])) {
 490             f.type = FT_md;
 491             f.func = dgst_main;
 492             fp = &f;
 493         } else if (EVP_get_cipherbyname(argv[0])) {
 494             f.type = FT_cipher;
 495             f.func = enc_main;
 496             fp = &f;
 497         }
 498     }
 499     if (fp != NULL) {
 500         return (fp->func(argc, argv));
 501     }
 502     if ((strncmp(argv[0], "no-", 3)) == 0) {
 503         /*
 504          * User is asking if foo is unsupported, by trying to "run" the
 505          * no-foo command.  Strange.
 506          */
 507         f.name = argv[0] + 3;
 508         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 509             BIO_printf(bio_out, "%s\n", argv[0]);
 510             return (0);
 511         }
 512         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 513         return 1;
 514     }
 515     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 516         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 517         /* Special value to mean "exit the program. */
 518         return EXIT_THE_PROGRAM;
 519
 520     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 521                argv[0]);
 522     return (1);
 523 }
 524
 525 static void list_pkey(void)
 526 {
 527     int i;
 528
 529     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 530         const EVP_PKEY_ASN1_METHOD *ameth;
 531         int pkey_id, pkey_base_id, pkey_flags;
 532         const char *pinfo, *pem_str;
 533         ameth = EVP_PKEY_asn1_get0(i);
 534         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 535                                 &pinfo, &pem_str, ameth);
 536         if (pkey_flags & ASN1_PKEY_ALIAS) {
 537             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 538             BIO_printf(bio_out, "\tAlias for: %s\n",
 539                        OBJ_nid2ln(pkey_base_id));
 540         } else {
 541             BIO_printf(bio_out, "Name: %s\n", pinfo);
 542             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 543                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 544                        "External" : "Builtin");
 545             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 546             if (pem_str == NULL)
 547                 pem_str = "(none)";
 548             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 549         }
 550
 551     }
 552 }
 553
 554 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 555 {
 556     return strncmp(a->name, b->name, 8);
 557 }
 558
 559 static unsigned long function_hash(const FUNCTION * a)
 560 {
 561     return OPENSSL_LH_strhash(a->name);
 562 }
 563
 564 static int SortFnByName(const void *_f1, const void *_f2)
 565 {
 566     const FUNCTION *f1 = _f1;
 567     const FUNCTION *f2 = _f2;
 568
 569     if (f1->type != f2->type)
 570         return f1->type - f2->type;
 571     return strcmp(f1->name, f2->name);
 572 }
 573
 574 static void list_disabled(void)
 575 {
 576     BIO_puts(bio_out, "Disabled algorithms:\n");
 577 #ifdef OPENSSL_NO_BF
 578     BIO_puts(bio_out, "BF\n");
 579 #endif
 580 #ifndef OPENSSL_NO_BLAKE2
 581     BIO_puts(bio_out, "BLAKE2\n");
 582 #endif
 583 #ifdef OPENSSL_NO_CAMELLIA
 584     BIO_puts(bio_out, "CAMELLIA\n");
 585 #endif
 586 #ifdef OPENSSL_NO_CAST
 587     BIO_puts(bio_out, "CAST\n");
 588 #endif
 589 #ifdef OPENSSL_NO_CMAC
 590     BIO_puts(bio_out, "CMAC\n");
 591 #endif
 592 #ifdef OPENSSL_NO_CMS
 593     BIO_puts(bio_out, "CMS\n");
 594 #endif
 595 #ifdef OPENSSL_NO_COMP
 596     BIO_puts(bio_out, "COMP\n");
 597 #endif
 598 #ifdef OPENSSL_NO_DES
 599     BIO_puts(bio_out, "DES\n");
 600 #endif
 601 #ifdef OPENSSL_NO_DGRAM
 602     BIO_puts(bio_out, "DGRAM\n");
 603 #endif
 604 #ifdef OPENSSL_NO_DH
 605     BIO_puts(bio_out, "DH\n");
 606 #endif
 607 #ifdef OPENSSL_NO_DSA
 608     BIO_puts(bio_out, "DSA\n");
 609 #endif
 610 #if defined(OPENSSL_NO_DTLS)
 611     BIO_puts(bio_out, "DTLS\n");
 612 #endif
 613 #if defined(OPENSSL_NO_DTLS1)
 614     BIO_puts(bio_out, "DTLS1\n");
 615 #endif
 616 #if defined(OPENSSL_NO_DTLS1_2)
 617     BIO_puts(bio_out, "DTLS1_2\n");
 618 #endif
 619 #ifdef OPENSSL_NO_EC
 620     BIO_puts(bio_out, "EC\n");
 621 #endif
 622 #ifdef OPENSSL_NO_EC2M
 623     BIO_puts(bio_out, "EC2M\n");
 624 #endif
 625 #ifdef OPENSSL_NO_ENGINE
 626     BIO_puts(bio_out, "ENGINE\n");
 627 #endif
 628 #ifdef OPENSSL_NO_GOST
 629     BIO_puts(bio_out, "GOST\n");
 630 #endif
 631 #ifdef OPENSSL_NO_HEARTBEATS
 632     BIO_puts(bio_out, "HEARTBEATS\n");
 633 #endif
 634 #ifdef OPENSSL_NO_IDEA
 635     BIO_puts(bio_out, "IDEA\n");
 636 #endif
 637 #ifdef OPENSSL_NO_MD2
 638     BIO_puts(bio_out, "MD2\n");
 639 #endif
 640 #ifdef OPENSSL_NO_MD4
 641     BIO_puts(bio_out, "MD4\n");
 642 #endif
 643 #ifdef OPENSSL_NO_MD5
 644     BIO_puts(bio_out, "MD5\n");
 645 #endif
 646 #ifdef OPENSSL_NO_MDC2
 647     BIO_puts(bio_out, "MDC2\n");
 648 #endif
 649 #ifdef OPENSSL_NO_OCB
 650     BIO_puts(bio_out, "OCB\n");
 651 #endif
 652 #ifdef OPENSSL_NO_OCSP
 653     BIO_puts(bio_out, "OCSP\n");
 654 #endif
 655 #ifdef OPENSSL_NO_PSK
 656     BIO_puts(bio_out, "PSK\n");
 657 #endif
 658 #ifdef OPENSSL_NO_RC2
 659     BIO_puts(bio_out, "RC2\n");
 660 #endif
 661 #ifdef OPENSSL_NO_RC4
 662     BIO_puts(bio_out, "RC4\n");
 663 #endif
 664 #ifdef OPENSSL_NO_RC5
 665     BIO_puts(bio_out, "RC5\n");
 666 #endif
 667 #ifdef OPENSSL_NO_RMD160
 668     BIO_puts(bio_out, "RMD160\n");
 669 #endif
 670 #ifdef OPENSSL_NO_RSA
 671     BIO_puts(bio_out, "RSA\n");
 672 #endif
 673 #ifdef OPENSSL_NO_SCRYPT
 674     BIO_puts(bio_out, "SCRYPT\n");
 675 #endif
 676 #ifdef OPENSSL_NO_SCTP
 677     BIO_puts(bio_out, "SCTP\n");
 678 #endif
 679 #ifdef OPENSSL_NO_SEED
 680     BIO_puts(bio_out, "SEED\n");
 681 #endif
 682 #ifdef OPENSSL_NO_SOCK
 683     BIO_puts(bio_out, "SOCK\n");
 684 #endif
 685 #ifdef OPENSSL_NO_SRP
 686     BIO_puts(bio_out, "SRP\n");
 687 #endif
 688 #ifdef OPENSSL_NO_SRTP
 689     BIO_puts(bio_out, "SRTP\n");
 690 #endif
 691 #ifdef OPENSSL_NO_SSL3
 692     BIO_puts(bio_out, "SSL3\n");
 693 #endif
 694 #ifdef OPENSSL_NO_TLS1
 695     BIO_puts(bio_out, "TLS1\n");
 696 #endif
 697 #ifdef OPENSSL_NO_TLS1_1
 698     BIO_puts(bio_out, "TLS1_1\n");
 699 #endif
 700 #ifdef OPENSSL_NO_TLS1_2
 701     BIO_puts(bio_out, "TLS1_2\n");
 702 #endif
 703 #ifdef OPENSSL_NO_WHIRLPOOL
 704     BIO_puts(bio_out, "WHIRLPOOL\n");
 705 #endif
 706 #ifndef ZLIB
 707     BIO_puts(bio_out, "ZLIB\n");
 708 #endif
 709 }
 710
 711 static LHASH_OF(FUNCTION) *prog_init(void)
 712 {
 713     LHASH_OF(FUNCTION) *ret;
 714     FUNCTION *f;
 715     size_t i;
 716
 717     /* Sort alphabetically within category. For nicer help displays. */
 718     for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
 719     qsort(functions, i, sizeof(*functions), SortFnByName);
 720
 721     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
 722         return (NULL);
 723
 724     for (f = functions; f->name != NULL; f++)
 725         (void)lh_FUNCTION_insert(ret, f);
 726     return (ret);
 727 }