apps/openssl.c

   1 /*
   2  * Copyright 1995-2017 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 #define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
  25 #include "s_apps.h"
  26 /* Needed to get the other O_xxx flags. */
  27 #ifdef OPENSSL_SYS_VMS
  28 # include <unixio.h>
  29 #endif
  30 #define INCLUDE_FUNCTION_TABLE
  31 #include "apps.h"
  32
  33
  34 #ifdef OPENSSL_NO_CAMELLIA
  35 # define FORMAT "%-15s"
  36 # define COLUMNS 5
  37 #else
  38 # define FORMAT "%-18s"
  39 # define COLUMNS 4
  40 #endif
  41
  42 /* Special sentinel to exit the program. */
  43 #define EXIT_THE_PROGRAM (-1)
  44
  45 /*
  46  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with
  47  * the base prototypes (we cast each variable inside the function to the
  48  * required type of "FUNCTION*"). This removes the necessity for
  49  * macro-generated wrapper functions.
  50  */
  51 static LHASH_OF(FUNCTION) *prog_init(void);
  52 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
  53 static void list_pkey(void);
  54 static void list_pkey_meth(void);
  55 static void list_type(FUNC_TYPE ft, int one);
  56 static void list_disabled(void);
  57 char *default_config_file = NULL;
  58
  59 BIO *bio_in = NULL;
  60 BIO *bio_out = NULL;
  61 BIO *bio_err = NULL;
  62
  63 static int apps_startup()
  64 {
  65 #ifdef SIGPIPE
  66     signal(SIGPIPE, SIG_IGN);
  67 #endif
  68
  69     /* Set non-default library initialisation settings */
  70     if (!OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_ALL_BUILTIN
  71                              | OPENSSL_INIT_LOAD_CONFIG, NULL))
  72         return 0;
  73
  74     setup_ui_method();
  75
  76     return 1;
  77 }
  78
  79 static void apps_shutdown()
  80 {
  81     destroy_ui_method();
  82 }
  83
  84 static char *make_config_name()
  85 {
  86     const char *t;
  87     size_t len;
  88     char *p;
  89
  90     if ((t = getenv("OPENSSL_CONF")) != NULL)
  91         return OPENSSL_strdup(t);
  92
  93     t = X509_get_default_cert_area();
  94     len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
  95     p = app_malloc(len, "config filename buffer");
  96     strcpy(p, t);
  97 #ifndef OPENSSL_SYS_VMS
  98     strcat(p, "/");
  99 #endif
 100     strcat(p, OPENSSL_CONF);
 101
 102     return p;
 103 }
 104
 105 int main(int argc, char *argv[])
 106 {
 107     FUNCTION f, *fp;
 108     LHASH_OF(FUNCTION) *prog = NULL;
 109     char **copied_argv = NULL;
 110     char *p, *pname;
 111     char buf[1024];
 112     const char *prompt;
 113     ARGS arg;
 114     int first, n, i, ret = 0;
 115
 116     arg.argv = NULL;
 117     arg.size = 0;
 118
 119     /* Set up some of the environment. */
 120     default_config_file = make_config_name();
 121     bio_in = dup_bio_in(FORMAT_TEXT);
 122     bio_out = dup_bio_out(FORMAT_TEXT);
 123     bio_err = dup_bio_err(FORMAT_TEXT);
 124
 125 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
 126     copied_argv = argv = copy_argv(&argc, argv);
 127 #elif defined(_WIN32)
 128     /*
 129      * Replace argv[] with UTF-8 encoded strings.
 130      */
 131     win32_utf8argv(&argc, &argv);
 132 #endif
 133
 134     p = getenv("OPENSSL_DEBUG_MEMORY");
 135     if (p != NULL && strcmp(p, "on") == 0)
 136         CRYPTO_set_mem_debug(1);
 137     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 138
 139     if (getenv("OPENSSL_FIPS")) {
 140         BIO_printf(bio_err, "FIPS mode not supported.\n");
 141         return 1;
 142     }
 143
 144     if (!apps_startup()) {
 145         BIO_printf(bio_err,
 146                    "FATAL: Startup failure (dev note: apps_startup() failed)\n");
 147         ERR_print_errors(bio_err);
 148         ret = 1;
 149         goto end;
 150     }
 151
 152     prog = prog_init();
 153     pname = opt_progname(argv[0]);
 154
 155     /* first check the program name */
 156     f.name = pname;
 157     fp = lh_FUNCTION_retrieve(prog, &f);
 158     if (fp != NULL) {
 159         argv[0] = pname;
 160         ret = fp->func(argc, argv);
 161         goto end;
 162     }
 163
 164     /* If there is stuff on the command line, run with that. */
 165     if (argc != 1) {
 166         argc--;
 167         argv++;
 168         ret = do_cmd(prog, argc, argv);
 169         if (ret < 0)
 170             ret = 0;
 171         goto end;
 172     }
 173
 174     /* ok, lets enter interactive mode */
 175     for (;;) {
 176         ret = 0;
 177         /* Read a line, continue reading if line ends with \ */
 178         for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
 179             prompt = first ? "OpenSSL> " : "> ";
 180             p[0] = '\0';
 181 #ifndef READLINE
 182             fputs(prompt, stdout);
 183             fflush(stdout);
 184             if (!fgets(p, n, stdin))
 185                 goto end;
 186             if (p[0] == '\0')
 187                 goto end;
 188             i = strlen(p);
 189             if (i <= 1)
 190                 break;
 191             if (p[i - 2] != '\\')
 192                 break;
 193             i -= 2;
 194             p += i;
 195             n -= i;
 196 #else
 197             {
 198                 extern char *readline(const char *);
 199                 extern void add_history(const char *cp);
 200                 char *text;
 201
 202                 text = readline(prompt);
 203                 if (text == NULL)
 204                     goto end;
 205                 i = strlen(text);
 206                 if (i == 0 || i > n)
 207                     break;
 208                 if (text[i - 1] != '\\') {
 209                     p += strlen(strcpy(p, text));
 210                     free(text);
 211                     add_history(buf);
 212                     break;
 213                 }
 214
 215                 text[i - 1] = '\0';
 216                 p += strlen(strcpy(p, text));
 217                 free(text);
 218                 n -= i;
 219             }
 220 #endif
 221         }
 222
 223         if (!chopup_args(&arg, buf)) {
 224             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 225             break;
 226         }
 227
 228         ret = do_cmd(prog, arg.argc, arg.argv);
 229         if (ret == EXIT_THE_PROGRAM) {
 230             ret = 0;
 231             goto end;
 232         }
 233         if (ret != 0)
 234             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 235         (void)BIO_flush(bio_out);
 236         (void)BIO_flush(bio_err);
 237     }
 238     ret = 1;
 239  end:
 240     OPENSSL_free(copied_argv);
 241     OPENSSL_free(default_config_file);
 242     lh_FUNCTION_free(prog);
 243     OPENSSL_free(arg.argv);
 244     app_RAND_write();
 245
 246     BIO_free(bio_in);
 247     BIO_free_all(bio_out);
 248     apps_shutdown();
 249 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 250     if (CRYPTO_mem_leaks(bio_err) <= 0)
 251         ret = 1;
 252 #endif
 253     BIO_free(bio_err);
 254     EXIT(ret);
 255 }
 256
 257 const OPTIONS exit_options[] = {
 258     {NULL}
 259 };
 260
 261 static void list_cipher_fn(const EVP_CIPHER *c,
 262                            const char *from, const char *to, void *arg)
 263 {
 264     if (c != NULL) {
 265         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 266     } else {
 267         if (from == NULL)
 268             from = "<undefined>";
 269         if (to == NULL)
 270             to = "<undefined>";
 271         BIO_printf(arg, "%s => %s\n", from, to);
 272     }
 273 }
 274
 275 static void list_md_fn(const EVP_MD *m,
 276                        const char *from, const char *to, void *arg)
 277 {
 278     if (m != NULL) {
 279         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 280     } else {
 281         if (from == NULL)
 282             from = "<undefined>";
 283         if (to == NULL)
 284             to = "<undefined>";
 285         BIO_printf((BIO *)arg, "%s => %s\n", from, to);
 286     }
 287 }
 288
 289 static void list_missing_help(void)
 290 {
 291     const FUNCTION *fp;
 292     const OPTIONS *o;
 293
 294     for (fp = functions; fp->name != NULL; fp++) {
 295         if ((o = fp->help) != NULL) {
 296             /* If there is help, list what flags are not documented. */
 297             for ( ; o->name != NULL; o++) {
 298                 if (o->helpstr == NULL)
 299                     BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
 300             }
 301         } else if (fp->func != dgst_main) {
 302             /* If not aliased to the dgst command, */
 303             BIO_printf(bio_out, "%s *\n", fp->name);
 304         }
 305     }
 306 }
 307
 308 static void list_options_for_command(const char *command)
 309 {
 310     const FUNCTION *fp;
 311     const OPTIONS *o;
 312
 313     for (fp = functions; fp->name != NULL; fp++)
 314         if (strcmp(fp->name, command) == 0)
 315             break;
 316     if (fp->name == NULL) {
 317         BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 318                 command);
 319         return;
 320     }
 321
 322     if ((o = fp->help) == NULL)
 323         return;
 324
 325     for ( ; o->name != NULL; o++) {
 326         if (o->name == OPT_HELP_STR
 327                 || o->name == OPT_MORE_STR
 328                 || o->name[0] == '\0')
 329             continue;
 330         BIO_printf(bio_out, "%s %c\n", o->name, o->valtype);
 331     }
 332 }
 333
 334
 335 /* Unified enum for help and list commands. */
 336 typedef enum HELPLIST_CHOICE {
 337     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ONE,
 338     OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_OPTIONS,
 339     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 340     OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_DISABLED, OPT_MISSING_HELP
 341 } HELPLIST_CHOICE;
 342
 343 const OPTIONS list_options[] = {
 344     {"help", OPT_HELP, '-', "Display this summary"},
 345     {"1", OPT_ONE, '-', "List in one column"},
 346     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 347     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 348      "List of message digest commands"},
 349     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 350      "List of message digest algorithms"},
 351     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 352     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 353      "List of cipher algorithms"},
 354     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 355      "List of public key algorithms"},
 356     {"public-key-methods", OPT_PK_METHOD, '-',
 357      "List of public key methods"},
 358     {"disabled", OPT_DISABLED, '-',
 359      "List of disabled features"},
 360     {"missing-help", OPT_MISSING_HELP, '-',
 361      "List missing detailed help strings"},
 362     {"options", OPT_OPTIONS, 's',
 363      "List options for specified command"},
 364     {NULL}
 365 };
 366
 367 int list_main(int argc, char **argv)
 368 {
 369     char *prog;
 370     HELPLIST_CHOICE o;
 371     int one = 0, done = 0;
 372
 373     prog = opt_init(argc, argv, list_options);
 374     while ((o = opt_next()) != OPT_EOF) {
 375         switch (o) {
 376         case OPT_EOF:  /* Never hit, but suppresses warning */
 377         case OPT_ERR:
 378             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 379             return 1;
 380         case OPT_HELP:
 381             opt_help(list_options);
 382             break;
 383         case OPT_ONE:
 384             one = 1;
 385             break;
 386         case OPT_COMMANDS:
 387             list_type(FT_general, one);
 388             break;
 389         case OPT_DIGEST_COMMANDS:
 390             list_type(FT_md, one);
 391             break;
 392         case OPT_DIGEST_ALGORITHMS:
 393             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 394             break;
 395         case OPT_CIPHER_COMMANDS:
 396             list_type(FT_cipher, one);
 397             break;
 398         case OPT_CIPHER_ALGORITHMS:
 399             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 400             break;
 401         case OPT_PK_ALGORITHMS:
 402             list_pkey();
 403             break;
 404         case OPT_PK_METHOD:
 405             list_pkey_meth();
 406             break;
 407         case OPT_DISABLED:
 408             list_disabled();
 409             break;
 410         case OPT_MISSING_HELP:
 411             list_missing_help();
 412             break;
 413         case OPT_OPTIONS:
 414             list_options_for_command(opt_arg());
 415             break;
 416         }
 417         done = 1;
 418     }
 419
 420     if (!done) {
 421         BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 422         return 1;
 423     }
 424
 425     return 0;
 426 }
 427
 428 typedef enum HELP_CHOICE {
 429     OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP
 430 } HELP_CHOICE;
 431
 432 const OPTIONS help_options[] = {
 433     {"help", OPT_hHELP, '-', "Display this summary"},
 434     {NULL}
 435 };
 436
 437
 438 int help_main(int argc, char **argv)
 439 {
 440     FUNCTION *fp;
 441     int i, nl;
 442     FUNC_TYPE tp;
 443     char *prog;
 444     HELP_CHOICE o;
 445
 446     prog = opt_init(argc, argv, help_options);
 447     while ((o = opt_next()) != OPT_hEOF) {
 448         switch (o) {
 449         case OPT_hERR:
 450         case OPT_hEOF:
 451             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 452             return 1;
 453         case OPT_hHELP:
 454             opt_help(help_options);
 455             return 0;
 456         }
 457     }
 458
 459     if (opt_num_rest() != 0) {
 460         BIO_printf(bio_err, "Usage: %s\n", prog);
 461         return 1;
 462     }
 463
 464     BIO_printf(bio_err, "\nStandard commands");
 465     i = 0;
 466     tp = FT_none;
 467     for (fp = functions; fp->name != NULL; fp++) {
 468         nl = 0;
 469         if (((i++) % COLUMNS) == 0) {
 470             BIO_printf(bio_err, "\n");
 471             nl = 1;
 472         }
 473         if (fp->type != tp) {
 474             tp = fp->type;
 475             if (!nl)
 476                 BIO_printf(bio_err, "\n");
 477             if (tp == FT_md) {
 478                 i = 1;
 479                 BIO_printf(bio_err,
 480                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 481             } else if (tp == FT_cipher) {
 482                 i = 1;
 483                 BIO_printf(bio_err,
 484                            "\nCipher commands (see the `enc' command for more details)\n");
 485             }
 486         }
 487         BIO_printf(bio_err, FORMAT, fp->name);
 488     }
 489     BIO_printf(bio_err, "\n\n");
 490     return 0;
 491 }
 492
 493 int exit_main(int argc, char **argv)
 494 {
 495     return EXIT_THE_PROGRAM;
 496 }
 497
 498 static void list_type(FUNC_TYPE ft, int one)
 499 {
 500     FUNCTION *fp;
 501     int i = 0;
 502
 503     for (fp = functions; fp->name != NULL; fp++) {
 504         if (fp->type != ft)
 505             continue;
 506         if (one) {
 507             BIO_printf(bio_out, "%s\n", fp->name);
 508         } else {
 509             if ((i++ % COLUMNS) == 0 && fp != functions)
 510                 BIO_printf(bio_out, "\n");
 511             BIO_printf(bio_out, FORMAT, fp->name);
 512         }
 513     }
 514     if (!one)
 515         BIO_printf(bio_out, "\n");
 516 }
 517
 518 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 519 {
 520     FUNCTION f, *fp;
 521
 522     if (argc <= 0 || argv[0] == NULL)
 523         return (0);
 524     f.name = argv[0];
 525     fp = lh_FUNCTION_retrieve(prog, &f);
 526     if (fp == NULL) {
 527         if (EVP_get_digestbyname(argv[0])) {
 528             f.type = FT_md;
 529             f.func = dgst_main;
 530             fp = &f;
 531         } else if (EVP_get_cipherbyname(argv[0])) {
 532             f.type = FT_cipher;
 533             f.func = enc_main;
 534             fp = &f;
 535         }
 536     }
 537     if (fp != NULL) {
 538         return (fp->func(argc, argv));
 539     }
 540     if ((strncmp(argv[0], "no-", 3)) == 0) {
 541         /*
 542          * User is asking if foo is unsupported, by trying to "run" the
 543          * no-foo command.  Strange.
 544          */
 545         f.name = argv[0] + 3;
 546         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 547             BIO_printf(bio_out, "%s\n", argv[0]);
 548             return (0);
 549         }
 550         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 551         return 1;
 552     }
 553     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 554         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 555         /* Special value to mean "exit the program. */
 556         return EXIT_THE_PROGRAM;
 557
 558     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 559                argv[0]);
 560     return (1);
 561 }
 562
 563 static void list_pkey(void)
 564 {
 565     int i;
 566
 567     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 568         const EVP_PKEY_ASN1_METHOD *ameth;
 569         int pkey_id, pkey_base_id, pkey_flags;
 570         const char *pinfo, *pem_str;
 571         ameth = EVP_PKEY_asn1_get0(i);
 572         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 573                                 &pinfo, &pem_str, ameth);
 574         if (pkey_flags & ASN1_PKEY_ALIAS) {
 575             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 576             BIO_printf(bio_out, "\tAlias for: %s\n",
 577                        OBJ_nid2ln(pkey_base_id));
 578         } else {
 579             BIO_printf(bio_out, "Name: %s\n", pinfo);
 580             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 581                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 582                        "External" : "Builtin");
 583             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 584             if (pem_str == NULL)
 585                 pem_str = "(none)";
 586             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 587         }
 588
 589     }
 590 }
 591
 592 static void list_pkey_meth(void)
 593 {
 594     size_t i;
 595     size_t meth_count = EVP_PKEY_meth_get_count();
 596
 597     for (i = 0; i < meth_count; i++) {
 598         const EVP_PKEY_METHOD *pmeth = EVP_PKEY_meth_get0(i);
 599         int pkey_id, pkey_flags;
 600
 601         EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);
 602         BIO_printf(bio_out, "%s\n", OBJ_nid2ln(pkey_id));
 603         BIO_printf(bio_out, "\tType: %s Algorithm\n",
 604                    pkey_flags & ASN1_PKEY_DYNAMIC ?  "External" : "Builtin");
 605     }
 606 }
 607
 608 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 609 {
 610     return strncmp(a->name, b->name, 8);
 611 }
 612
 613 static unsigned long function_hash(const FUNCTION * a)
 614 {
 615     return OPENSSL_LH_strhash(a->name);
 616 }
 617
 618 static int SortFnByName(const void *_f1, const void *_f2)
 619 {
 620     const FUNCTION *f1 = _f1;
 621     const FUNCTION *f2 = _f2;
 622
 623     if (f1->type != f2->type)
 624         return f1->type - f2->type;
 625     return strcmp(f1->name, f2->name);
 626 }
 627
 628 static void list_disabled(void)
 629 {
 630     BIO_puts(bio_out, "Disabled algorithms:\n");
 631 #ifdef OPENSSL_NO_ARIA
 632     BIO_puts(bio_out, "ARIA\n");
 633 #endif
 634 #ifdef OPENSSL_NO_BF
 635     BIO_puts(bio_out, "BF\n");
 636 #endif
 637 #ifdef OPENSSL_NO_BLAKE2
 638     BIO_puts(bio_out, "BLAKE2\n");
 639 #endif
 640 #ifdef OPENSSL_NO_CAMELLIA
 641     BIO_puts(bio_out, "CAMELLIA\n");
 642 #endif
 643 #ifdef OPENSSL_NO_CAST
 644     BIO_puts(bio_out, "CAST\n");
 645 #endif
 646 #ifdef OPENSSL_NO_CMAC
 647     BIO_puts(bio_out, "CMAC\n");
 648 #endif
 649 #ifdef OPENSSL_NO_CMS
 650     BIO_puts(bio_out, "CMS\n");
 651 #endif
 652 #ifdef OPENSSL_NO_COMP
 653     BIO_puts(bio_out, "COMP\n");
 654 #endif
 655 #ifdef OPENSSL_NO_DES
 656     BIO_puts(bio_out, "DES\n");
 657 #endif
 658 #ifdef OPENSSL_NO_DGRAM
 659     BIO_puts(bio_out, "DGRAM\n");
 660 #endif
 661 #ifdef OPENSSL_NO_DH
 662     BIO_puts(bio_out, "DH\n");
 663 #endif
 664 #ifdef OPENSSL_NO_DSA
 665     BIO_puts(bio_out, "DSA\n");
 666 #endif
 667 #if defined(OPENSSL_NO_DTLS)
 668     BIO_puts(bio_out, "DTLS\n");
 669 #endif
 670 #if defined(OPENSSL_NO_DTLS1)
 671     BIO_puts(bio_out, "DTLS1\n");
 672 #endif
 673 #if defined(OPENSSL_NO_DTLS1_2)
 674     BIO_puts(bio_out, "DTLS1_2\n");
 675 #endif
 676 #ifdef OPENSSL_NO_EC
 677     BIO_puts(bio_out, "EC\n");
 678 #endif
 679 #ifdef OPENSSL_NO_EC2M
 680     BIO_puts(bio_out, "EC2M\n");
 681 #endif
 682 #ifdef OPENSSL_NO_ENGINE
 683     BIO_puts(bio_out, "ENGINE\n");
 684 #endif
 685 #ifdef OPENSSL_NO_GOST
 686     BIO_puts(bio_out, "GOST\n");
 687 #endif
 688 #ifdef OPENSSL_NO_HEARTBEATS
 689     BIO_puts(bio_out, "HEARTBEATS\n");
 690 #endif
 691 #ifdef OPENSSL_NO_IDEA
 692     BIO_puts(bio_out, "IDEA\n");
 693 #endif
 694 #ifdef OPENSSL_NO_MD2
 695     BIO_puts(bio_out, "MD2\n");
 696 #endif
 697 #ifdef OPENSSL_NO_MD4
 698     BIO_puts(bio_out, "MD4\n");
 699 #endif
 700 #ifdef OPENSSL_NO_MD5
 701     BIO_puts(bio_out, "MD5\n");
 702 #endif
 703 #ifdef OPENSSL_NO_MDC2
 704     BIO_puts(bio_out, "MDC2\n");
 705 #endif
 706 #ifdef OPENSSL_NO_OCB
 707     BIO_puts(bio_out, "OCB\n");
 708 #endif
 709 #ifdef OPENSSL_NO_OCSP
 710     BIO_puts(bio_out, "OCSP\n");
 711 #endif
 712 #ifdef OPENSSL_NO_PSK
 713     BIO_puts(bio_out, "PSK\n");
 714 #endif
 715 #ifdef OPENSSL_NO_RC2
 716     BIO_puts(bio_out, "RC2\n");
 717 #endif
 718 #ifdef OPENSSL_NO_RC4
 719     BIO_puts(bio_out, "RC4\n");
 720 #endif
 721 #ifdef OPENSSL_NO_RC5
 722     BIO_puts(bio_out, "RC5\n");
 723 #endif
 724 #ifdef OPENSSL_NO_RMD160
 725     BIO_puts(bio_out, "RMD160\n");
 726 #endif
 727 #ifdef OPENSSL_NO_RSA
 728     BIO_puts(bio_out, "RSA\n");
 729 #endif
 730 #ifdef OPENSSL_NO_SCRYPT
 731     BIO_puts(bio_out, "SCRYPT\n");
 732 #endif
 733 #ifdef OPENSSL_NO_SCTP
 734     BIO_puts(bio_out, "SCTP\n");
 735 #endif
 736 #ifdef OPENSSL_NO_SEED
 737     BIO_puts(bio_out, "SEED\n");
 738 #endif
 739 #ifdef OPENSSL_NO_SOCK
 740     BIO_puts(bio_out, "SOCK\n");
 741 #endif
 742 #ifdef OPENSSL_NO_SRP
 743     BIO_puts(bio_out, "SRP\n");
 744 #endif
 745 #ifdef OPENSSL_NO_SRTP
 746     BIO_puts(bio_out, "SRTP\n");
 747 #endif
 748 #ifdef OPENSSL_NO_SSL3
 749     BIO_puts(bio_out, "SSL3\n");
 750 #endif
 751 #ifdef OPENSSL_NO_TLS1
 752     BIO_puts(bio_out, "TLS1\n");
 753 #endif
 754 #ifdef OPENSSL_NO_TLS1_1
 755     BIO_puts(bio_out, "TLS1_1\n");
 756 #endif
 757 #ifdef OPENSSL_NO_TLS1_2
 758     BIO_puts(bio_out, "TLS1_2\n");
 759 #endif
 760 #ifdef OPENSSL_NO_WHIRLPOOL
 761     BIO_puts(bio_out, "WHIRLPOOL\n");
 762 #endif
 763 #ifndef ZLIB
 764     BIO_puts(bio_out, "ZLIB\n");
 765 #endif
 766 }
 767
 768 static LHASH_OF(FUNCTION) *prog_init(void)
 769 {
 770     LHASH_OF(FUNCTION) *ret;
 771     FUNCTION *f;
 772     size_t i;
 773
 774     /* Sort alphabetically within category. For nicer help displays. */
 775     for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
 776     qsort(functions, i, sizeof(*functions), SortFnByName);
 777
 778     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
 779         return (NULL);
 780
 781     for (f = functions; f->name != NULL; f++)
 782         (void)lh_FUNCTION_insert(ret, f);
 783     return (ret);
 784 }