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  50  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with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