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 /* Structure to hold the number of columns to be displayed and the
  34  * field width used to display them.
  35  */
  36 typedef struct {
  37     int columns;
  38     int width;
  39 } DISPLAY_COLUMNS;
  40
  41 /* Special sentinel to exit the program. */
  42 #define EXIT_THE_PROGRAM (-1)
  43
  44 /*
  45  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with
  46  * the base prototypes (we cast each variable inside the function to the
  47  * required type of "FUNCTION*"). This removes the necessity for
  48  * macro-generated wrapper functions.
  49  */
  50 static LHASH_OF(FUNCTION) *prog_init(void);
  51 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
  52 static void list_pkey(void);
  53 static void list_pkey_meth(void);
  54 static void list_type(FUNC_TYPE ft, int one);
  55 static void list_disabled(void);
  56 char *default_config_file = NULL;
  57
  58 BIO *bio_in = NULL;
  59 BIO *bio_out = NULL;
  60 BIO *bio_err = NULL;
  61
  62 static void calculate_columns(DISPLAY_COLUMNS *dc)
  63 {
  64     FUNCTION *f;
  65     int len, maxlen = 0;
  66
  67     for (f = functions; f->name != NULL; ++f)
  68         if (f->type == FT_general || f->type == FT_md || f->type == FT_cipher)
  69             if ((len = strlen(f->name)) > maxlen)
  70                 maxlen = len;
  71
  72     dc->width = maxlen + 2;
  73     dc->columns = (80 - 1) / dc->width;
  74 }
  75
  76 static int apps_startup()
  77 {
  78 #ifdef SIGPIPE
  79     signal(SIGPIPE, SIG_IGN);
  80 #endif
  81
  82     /* Set non-default library initialisation settings */
  83     if (!OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_ALL_BUILTIN
  84                              | OPENSSL_INIT_LOAD_CONFIG, NULL))
  85         return 0;
  86
  87     setup_ui_method();
  88
  89     return 1;
  90 }
  91
  92 static void apps_shutdown()
  93 {
  94     destroy_ui_method();
  95 }
  96
  97 static char *make_config_name()
  98 {
  99     const char *t;
 100     size_t len;
 101     char *p;
 102
 103     if ((t = getenv("OPENSSL_CONF")) != NULL)
 104         return OPENSSL_strdup(t);
 105
 106     t = X509_get_default_cert_area();
 107     len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
 108     p = app_malloc(len, "config filename buffer");
 109     strcpy(p, t);
 110 #ifndef OPENSSL_SYS_VMS
 111     strcat(p, "/");
 112 #endif
 113     strcat(p, OPENSSL_CONF);
 114
 115     return p;
 116 }
 117
 118 int main(int argc, char *argv[])
 119 {
 120     FUNCTION f, *fp;
 121     LHASH_OF(FUNCTION) *prog = NULL;
 122     char **copied_argv = NULL;
 123     char *p, *pname;
 124     char buf[1024];
 125     const char *prompt;
 126     ARGS arg;
 127     int first, n, i, ret = 0;
 128
 129     arg.argv = NULL;
 130     arg.size = 0;
 131
 132     /* Set up some of the environment. */
 133     default_config_file = make_config_name();
 134     bio_in = dup_bio_in(FORMAT_TEXT);
 135     bio_out = dup_bio_out(FORMAT_TEXT);
 136     bio_err = dup_bio_err(FORMAT_TEXT);
 137
 138 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
 139     copied_argv = argv = copy_argv(&argc, argv);
 140 #elif defined(_WIN32)
 141     /*
 142      * Replace argv[] with UTF-8 encoded strings.
 143      */
 144     win32_utf8argv(&argc, &argv);
 145 #endif
 146
 147     p = getenv("OPENSSL_DEBUG_MEMORY");
 148     if (p != NULL && strcmp(p, "on") == 0)
 149         CRYPTO_set_mem_debug(1);
 150     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 151
 152     if (getenv("OPENSSL_FIPS")) {
 153         BIO_printf(bio_err, "FIPS mode not supported.\n");
 154         return 1;
 155     }
 156
 157     if (!apps_startup()) {
 158         BIO_printf(bio_err,
 159                    "FATAL: Startup failure (dev note: apps_startup() failed)\n");
 160         ERR_print_errors(bio_err);
 161         ret = 1;
 162         goto end;
 163     }
 164
 165     prog = prog_init();
 166     pname = opt_progname(argv[0]);
 167
 168     /* first check the program name */
 169     f.name = pname;
 170     fp = lh_FUNCTION_retrieve(prog, &f);
 171     if (fp != NULL) {
 172         argv[0] = pname;
 173         ret = fp->func(argc, argv);
 174         goto end;
 175     }
 176
 177     /* If there is stuff on the command line, run with that. */
 178     if (argc != 1) {
 179         argc--;
 180         argv++;
 181         ret = do_cmd(prog, argc, argv);
 182         if (ret < 0)
 183             ret = 0;
 184         goto end;
 185     }
 186
 187     /* ok, lets enter interactive mode */
 188     for (;;) {
 189         ret = 0;
 190         /* Read a line, continue reading if line ends with \ */
 191         for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
 192             prompt = first ? "OpenSSL> " : "> ";
 193             p[0] = '\0';
 194 #ifndef READLINE
 195             fputs(prompt, stdout);
 196             fflush(stdout);
 197             if (!fgets(p, n, stdin))
 198                 goto end;
 199             if (p[0] == '\0')
 200                 goto end;
 201             i = strlen(p);
 202             if (i <= 1)
 203                 break;
 204             if (p[i - 2] != '\\')
 205                 break;
 206             i -= 2;
 207             p += i;
 208             n -= i;
 209 #else
 210             {
 211                 extern char *readline(const char *);
 212                 extern void add_history(const char *cp);
 213                 char *text;
 214
 215                 text = readline(prompt);
 216                 if (text == NULL)
 217                     goto end;
 218                 i = strlen(text);
 219                 if (i == 0 || i > n)
 220                     break;
 221                 if (text[i - 1] != '\\') {
 222                     p += strlen(strcpy(p, text));
 223                     free(text);
 224                     add_history(buf);
 225                     break;
 226                 }
 227
 228                 text[i - 1] = '\0';
 229                 p += strlen(strcpy(p, text));
 230                 free(text);
 231                 n -= i;
 232             }
 233 #endif
 234         }
 235
 236         if (!chopup_args(&arg, buf)) {
 237             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 238             break;
 239         }
 240
 241         ret = do_cmd(prog, arg.argc, arg.argv);
 242         if (ret == EXIT_THE_PROGRAM) {
 243             ret = 0;
 244             goto end;
 245         }
 246         if (ret != 0)
 247             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 248         (void)BIO_flush(bio_out);
 249         (void)BIO_flush(bio_err);
 250     }
 251     ret = 1;
 252  end:
 253     OPENSSL_free(copied_argv);
 254     OPENSSL_free(default_config_file);
 255     lh_FUNCTION_free(prog);
 256     OPENSSL_free(arg.argv);
 257     app_RAND_write();
 258
 259     BIO_free(bio_in);
 260     BIO_free_all(bio_out);
 261     apps_shutdown();
 262 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 263     if (CRYPTO_mem_leaks(bio_err) <= 0)
 264         ret = 1;
 265 #endif
 266     BIO_free(bio_err);
 267     EXIT(ret);
 268 }
 269
 270 static void list_cipher_fn(const EVP_CIPHER *c,
 271                            const char *from, const char *to, void *arg)
 272 {
 273     if (c != NULL) {
 274         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 275     } else {
 276         if (from == NULL)
 277             from = "<undefined>";
 278         if (to == NULL)
 279             to = "<undefined>";
 280         BIO_printf(arg, "%s => %s\n", from, to);
 281     }
 282 }
 283
 284 static void list_md_fn(const EVP_MD *m,
 285                        const char *from, const char *to, void *arg)
 286 {
 287     if (m != NULL) {
 288         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 289     } else {
 290         if (from == NULL)
 291             from = "<undefined>";
 292         if (to == NULL)
 293             to = "<undefined>";
 294         BIO_printf((BIO *)arg, "%s => %s\n", from, to);
 295     }
 296 }
 297
 298 static void list_missing_help(void)
 299 {
 300     const FUNCTION *fp;
 301     const OPTIONS *o;
 302
 303     for (fp = functions; fp->name != NULL; fp++) {
 304         if ((o = fp->help) != NULL) {
 305             /* If there is help, list what flags are not documented. */
 306             for ( ; o->name != NULL; o++) {
 307                 if (o->helpstr == NULL)
 308                     BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
 309             }
 310         } else if (fp->func != dgst_main) {
 311             /* If not aliased to the dgst command, */
 312             BIO_printf(bio_out, "%s *\n", fp->name);
 313         }
 314     }
 315 }
 316
 317 static void list_options_for_command(const char *command)
 318 {
 319     const FUNCTION *fp;
 320     const OPTIONS *o;
 321
 322     for (fp = functions; fp->name != NULL; fp++)
 323         if (strcmp(fp->name, command) == 0)
 324             break;
 325     if (fp->name == NULL) {
 326         BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 327                 command);
 328         return;
 329     }
 330
 331     if ((o = fp->help) == NULL)
 332         return;
 333
 334     for ( ; o->name != NULL; o++) {
 335         if (o->name == OPT_HELP_STR
 336                 || o->name == OPT_MORE_STR
 337                 || o->name[0] == '\0')
 338             continue;
 339         BIO_printf(bio_out, "%s %c\n", o->name, o->valtype);
 340     }
 341 }
 342
 343
 344 /* Unified enum for help and list commands. */
 345 typedef enum HELPLIST_CHOICE {
 346     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ONE,
 347     OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_OPTIONS,
 348     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 349     OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_DISABLED, OPT_MISSING_HELP
 350 } HELPLIST_CHOICE;
 351
 352 const OPTIONS list_options[] = {
 353     {"help", OPT_HELP, '-', "Display this summary"},
 354     {"1", OPT_ONE, '-', "List in one column"},
 355     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 356     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 357      "List of message digest commands"},
 358     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 359      "List of message digest algorithms"},
 360     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 361     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 362      "List of cipher algorithms"},
 363     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 364      "List of public key algorithms"},
 365     {"public-key-methods", OPT_PK_METHOD, '-',
 366      "List of public key methods"},
 367     {"disabled", OPT_DISABLED, '-',
 368      "List of disabled features"},
 369     {"missing-help", OPT_MISSING_HELP, '-',
 370      "List missing detailed help strings"},
 371     {"options", OPT_OPTIONS, 's',
 372      "List options for specified command"},
 373     {NULL}
 374 };
 375
 376 int list_main(int argc, char **argv)
 377 {
 378     char *prog;
 379     HELPLIST_CHOICE o;
 380     int one = 0, done = 0;
 381
 382     prog = opt_init(argc, argv, list_options);
 383     while ((o = opt_next()) != OPT_EOF) {
 384         switch (o) {
 385         case OPT_EOF:  /* Never hit, but suppresses warning */
 386         case OPT_ERR:
 387 opthelp:
 388             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 389             return 1;
 390         case OPT_HELP:
 391             opt_help(list_options);
 392             break;
 393         case OPT_ONE:
 394             one = 1;
 395             break;
 396         case OPT_COMMANDS:
 397             list_type(FT_general, one);
 398             break;
 399         case OPT_DIGEST_COMMANDS:
 400             list_type(FT_md, one);
 401             break;
 402         case OPT_DIGEST_ALGORITHMS:
 403             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 404             break;
 405         case OPT_CIPHER_COMMANDS:
 406             list_type(FT_cipher, one);
 407             break;
 408         case OPT_CIPHER_ALGORITHMS:
 409             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 410             break;
 411         case OPT_PK_ALGORITHMS:
 412             list_pkey();
 413             break;
 414         case OPT_PK_METHOD:
 415             list_pkey_meth();
 416             break;
 417         case OPT_DISABLED:
 418             list_disabled();
 419             break;
 420         case OPT_MISSING_HELP:
 421             list_missing_help();
 422             break;
 423         case OPT_OPTIONS:
 424             list_options_for_command(opt_arg());
 425             break;
 426         }
 427         done = 1;
 428     }
 429     if (opt_num_rest() != 0) {
 430         BIO_printf(bio_err, "Extra arguments given.\n");
 431         goto opthelp;
 432     }
 433
 434     if (!done)
 435         goto opthelp;
 436
 437     return 0;
 438 }
 439
 440 typedef enum HELP_CHOICE {
 441     OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP
 442 } HELP_CHOICE;
 443
 444 const OPTIONS help_options[] = {
 445     {"help", OPT_hHELP, '-', "Display this summary"},
 446     {NULL}
 447 };
 448
 449
 450 int help_main(int argc, char **argv)
 451 {
 452     FUNCTION *fp;
 453     int i, nl;
 454     FUNC_TYPE tp;
 455     char *prog;
 456     HELP_CHOICE o;
 457     DISPLAY_COLUMNS dc;
 458
 459     prog = opt_init(argc, argv, help_options);
 460     while ((o = opt_next()) != OPT_hEOF) {
 461         switch (o) {
 462         case OPT_hERR:
 463         case OPT_hEOF:
 464             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 465             return 1;
 466         case OPT_hHELP:
 467             opt_help(help_options);
 468             return 0;
 469         }
 470     }
 471
 472     if (opt_num_rest() != 0) {
 473         BIO_printf(bio_err, "Usage: %s\n", prog);
 474         return 1;
 475     }
 476
 477     calculate_columns(&dc);
 478     BIO_printf(bio_err, "Standard commands");
 479     i = 0;
 480     tp = FT_none;
 481     for (fp = functions; fp->name != NULL; fp++) {
 482         nl = 0;
 483         if (i++ % dc.columns == 0) {
 484             BIO_printf(bio_err, "\n");
 485             nl = 1;
 486         }
 487         if (fp->type != tp) {
 488             tp = fp->type;
 489             if (!nl)
 490                 BIO_printf(bio_err, "\n");
 491             if (tp == FT_md) {
 492                 i = 1;
 493                 BIO_printf(bio_err,
 494                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 495             } else if (tp == FT_cipher) {
 496                 i = 1;
 497                 BIO_printf(bio_err,
 498                            "\nCipher commands (see the `enc' command for more details)\n");
 499             }
 500         }
 501         BIO_printf(bio_err, "%-*s", dc.width, fp->name);
 502     }
 503     BIO_printf(bio_err, "\n\n");
 504     return 0;
 505 }
 506
 507 static void list_type(FUNC_TYPE ft, int one)
 508 {
 509     FUNCTION *fp;
 510     int i = 0;
 511     DISPLAY_COLUMNS dc;
 512
 513     if (!one)
 514         calculate_columns(&dc);
 515
 516     for (fp = functions; fp->name != NULL; fp++) {
 517         if (fp->type != ft)
 518             continue;
 519         if (one) {
 520             BIO_printf(bio_out, "%s\n", fp->name);
 521         } else {
 522             if (i % dc.columns == 0 && i > 0)
 523                 BIO_printf(bio_out, "\n");
 524             BIO_printf(bio_out, "%-*s", dc.width, fp->name);
 525             i++;
 526         }
 527     }
 528     if (!one)
 529         BIO_printf(bio_out, "\n\n");
 530 }
 531
 532 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 533 {
 534     FUNCTION f, *fp;
 535
 536     if (argc <= 0 || argv[0] == NULL)
 537         return (0);
 538     f.name = argv[0];
 539     fp = lh_FUNCTION_retrieve(prog, &f);
 540     if (fp == NULL) {
 541         if (EVP_get_digestbyname(argv[0])) {
 542             f.type = FT_md;
 543             f.func = dgst_main;
 544             fp = &f;
 545         } else if (EVP_get_cipherbyname(argv[0])) {
 546             f.type = FT_cipher;
 547             f.func = enc_main;
 548             fp = &f;
 549         }
 550     }
 551     if (fp != NULL) {
 552         return (fp->func(argc, argv));
 553     }
 554     if ((strncmp(argv[0], "no-", 3)) == 0) {
 555         /*
 556          * User is asking if foo is unsupported, by trying to "run" the
 557          * no-foo command.  Strange.
 558          */
 559         f.name = argv[0] + 3;
 560         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 561             BIO_printf(bio_out, "%s\n", argv[0]);
 562             return (0);
 563         }
 564         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 565         return 1;
 566     }
 567     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 568         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 569         /* Special value to mean "exit the program. */
 570         return EXIT_THE_PROGRAM;
 571
 572     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 573                argv[0]);
 574     return (1);
 575 }
 576
 577 static void list_pkey(void)
 578 {
 579     int i;
 580
 581     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 582         const EVP_PKEY_ASN1_METHOD *ameth;
 583         int pkey_id, pkey_base_id, pkey_flags;
 584         const char *pinfo, *pem_str;
 585         ameth = EVP_PKEY_asn1_get0(i);
 586         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 587                                 &pinfo, &pem_str, ameth);
 588         if (pkey_flags & ASN1_PKEY_ALIAS) {
 589             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 590             BIO_printf(bio_out, "\tAlias for: %s\n",
 591                        OBJ_nid2ln(pkey_base_id));
 592         } else {
 593             BIO_printf(bio_out, "Name: %s\n", pinfo);
 594             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 595                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 596                        "External" : "Builtin");
 597             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 598             if (pem_str == NULL)
 599                 pem_str = "(none)";
 600             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 601         }
 602
 603     }
 604 }
 605
 606 static void list_pkey_meth(void)
 607 {
 608     size_t i;
 609     size_t meth_count = EVP_PKEY_meth_get_count();
 610
 611     for (i = 0; i < meth_count; i++) {
 612         const EVP_PKEY_METHOD *pmeth = EVP_PKEY_meth_get0(i);
 613         int pkey_id, pkey_flags;
 614
 615         EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);
 616         BIO_printf(bio_out, "%s\n", OBJ_nid2ln(pkey_id));
 617         BIO_printf(bio_out, "\tType: %s Algorithm\n",
 618                    pkey_flags & ASN1_PKEY_DYNAMIC ?  "External" : "Builtin");
 619     }
 620 }
 621
 622 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 623 {
 624     return strncmp(a->name, b->name, 8);
 625 }
 626
 627 static unsigned long function_hash(const FUNCTION * a)
 628 {
 629     return OPENSSL_LH_strhash(a->name);
 630 }
 631
 632 static int SortFnByName(const void *_f1, const void *_f2)
 633 {
 634     const FUNCTION *f1 = _f1;
 635     const FUNCTION *f2 = _f2;
 636
 637     if (f1->type != f2->type)
 638         return f1->type - f2->type;
 639     return strcmp(f1->name, f2->name);
 640 }
 641
 642 static void list_disabled(void)
 643 {
 644     BIO_puts(bio_out, "Disabled algorithms:\n");
 645 #ifdef OPENSSL_NO_ARIA
 646     BIO_puts(bio_out, "ARIA\n");
 647 #endif
 648 #ifdef OPENSSL_NO_BF
 649     BIO_puts(bio_out, "BF\n");
 650 #endif
 651 #ifdef OPENSSL_NO_BLAKE2
 652     BIO_puts(bio_out, "BLAKE2\n");
 653 #endif
 654 #ifdef OPENSSL_NO_CAMELLIA
 655     BIO_puts(bio_out, "CAMELLIA\n");
 656 #endif
 657 #ifdef OPENSSL_NO_CAST
 658     BIO_puts(bio_out, "CAST\n");
 659 #endif
 660 #ifdef OPENSSL_NO_CMAC
 661     BIO_puts(bio_out, "CMAC\n");
 662 #endif
 663 #ifdef OPENSSL_NO_CMS
 664     BIO_puts(bio_out, "CMS\n");
 665 #endif
 666 #ifdef OPENSSL_NO_COMP
 667     BIO_puts(bio_out, "COMP\n");
 668 #endif
 669 #ifdef OPENSSL_NO_DES
 670     BIO_puts(bio_out, "DES\n");
 671 #endif
 672 #ifdef OPENSSL_NO_DGRAM
 673     BIO_puts(bio_out, "DGRAM\n");
 674 #endif
 675 #ifdef OPENSSL_NO_DH
 676     BIO_puts(bio_out, "DH\n");
 677 #endif
 678 #ifdef OPENSSL_NO_DSA
 679     BIO_puts(bio_out, "DSA\n");
 680 #endif
 681 #if defined(OPENSSL_NO_DTLS)
 682     BIO_puts(bio_out, "DTLS\n");
 683 #endif
 684 #if defined(OPENSSL_NO_DTLS1)
 685     BIO_puts(bio_out, "DTLS1\n");
 686 #endif
 687 #if defined(OPENSSL_NO_DTLS1_2)
 688     BIO_puts(bio_out, "DTLS1_2\n");
 689 #endif
 690 #ifdef OPENSSL_NO_EC
 691     BIO_puts(bio_out, "EC\n");
 692 #endif
 693 #ifdef OPENSSL_NO_EC2M
 694     BIO_puts(bio_out, "EC2M\n");
 695 #endif
 696 #ifdef OPENSSL_NO_ENGINE
 697     BIO_puts(bio_out, "ENGINE\n");
 698 #endif
 699 #ifdef OPENSSL_NO_GOST
 700     BIO_puts(bio_out, "GOST\n");
 701 #endif
 702 #ifdef OPENSSL_NO_HEARTBEATS
 703     BIO_puts(bio_out, "HEARTBEATS\n");
 704 #endif
 705 #ifdef OPENSSL_NO_IDEA
 706     BIO_puts(bio_out, "IDEA\n");
 707 #endif
 708 #ifdef OPENSSL_NO_MD2
 709     BIO_puts(bio_out, "MD2\n");
 710 #endif
 711 #ifdef OPENSSL_NO_MD4
 712     BIO_puts(bio_out, "MD4\n");
 713 #endif
 714 #ifdef OPENSSL_NO_MD5
 715     BIO_puts(bio_out, "MD5\n");
 716 #endif
 717 #ifdef OPENSSL_NO_MDC2
 718     BIO_puts(bio_out, "MDC2\n");
 719 #endif
 720 #ifdef OPENSSL_NO_OCB
 721     BIO_puts(bio_out, "OCB\n");
 722 #endif
 723 #ifdef OPENSSL_NO_OCSP
 724     BIO_puts(bio_out, "OCSP\n");
 725 #endif
 726 #ifdef OPENSSL_NO_PSK
 727     BIO_puts(bio_out, "PSK\n");
 728 #endif
 729 #ifdef OPENSSL_NO_RC2
 730     BIO_puts(bio_out, "RC2\n");
 731 #endif
 732 #ifdef OPENSSL_NO_RC4
 733     BIO_puts(bio_out, "RC4\n");
 734 #endif
 735 #ifdef OPENSSL_NO_RC5
 736     BIO_puts(bio_out, "RC5\n");
 737 #endif
 738 #ifdef OPENSSL_NO_RMD160
 739     BIO_puts(bio_out, "RMD160\n");
 740 #endif
 741 #ifdef OPENSSL_NO_RSA
 742     BIO_puts(bio_out, "RSA\n");
 743 #endif
 744 #ifdef OPENSSL_NO_SCRYPT
 745     BIO_puts(bio_out, "SCRYPT\n");
 746 #endif
 747 #ifdef OPENSSL_NO_SCTP
 748     BIO_puts(bio_out, "SCTP\n");
 749 #endif
 750 #ifdef OPENSSL_NO_SEED
 751     BIO_puts(bio_out, "SEED\n");
 752 #endif
 753 #ifdef OPENSSL_NO_SOCK
 754     BIO_puts(bio_out, "SOCK\n");
 755 #endif
 756 #ifdef OPENSSL_NO_SRP
 757     BIO_puts(bio_out, "SRP\n");
 758 #endif
 759 #ifdef OPENSSL_NO_SRTP
 760     BIO_puts(bio_out, "SRTP\n");
 761 #endif
 762 #ifdef OPENSSL_NO_SSL3
 763     BIO_puts(bio_out, "SSL3\n");
 764 #endif
 765 #ifdef OPENSSL_NO_TLS1
 766     BIO_puts(bio_out, "TLS1\n");
 767 #endif
 768 #ifdef OPENSSL_NO_TLS1_1
 769     BIO_puts(bio_out, "TLS1_1\n");
 770 #endif
 771 #ifdef OPENSSL_NO_TLS1_2
 772     BIO_puts(bio_out, "TLS1_2\n");
 773 #endif
 774 #ifdef OPENSSL_NO_WHIRLPOOL
 775     BIO_puts(bio_out, "WHIRLPOOL\n");
 776 #endif
 777 #ifndef ZLIB
 778     BIO_puts(bio_out, "ZLIB\n");
 779 #endif
 780 }
 781
 782 static LHASH_OF(FUNCTION) *prog_init(void)
 783 {
 784     LHASH_OF(FUNCTION) *ret;
 785     FUNCTION *f;
 786     size_t i;
 787
 788     /* Sort alphabetically within category. For nicer help displays. */
 789     for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
 790     qsort(functions, i, sizeof(*functions), SortFnByName);
 791
 792     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
 793         return (NULL);
 794
 795     for (f = functions; f->name != NULL; f++)
 796         (void)lh_FUNCTION_insert(ret, f);
 797     return ret;
 798 }