apps/openssl.c

   1 /*
   2  * Copyright 1995-2018 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 <internal/cryptlib.h>
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include <stdlib.h>
  14 #include <openssl/bio.h>
  15 #include <openssl/crypto.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 #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 #include "apps.h"
  31 #define INCLUDE_FUNCTION_TABLE
  32 #include "progs.h"
  33
  34 /* Structure to hold the number of columns to be displayed and the
  35  * field width used to display them.
  36  */
  37 typedef struct {
  38     int columns;
  39     int width;
  40 } DISPLAY_COLUMNS;
  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  46  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with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 void calculate_columns(DISPLAY_COLUMNS *dc)
  64 {
  65     FUNCTION *f;
  66     int len, maxlen = 0;
  67
  68     for (f = functions; f->name != NULL; ++f)
  69         if (f->type == FT_general || f->type == FT_md || f->type == FT_cipher)
  70             if ((len = strlen(f->name)) > maxlen)
  71                 maxlen = len;
  72
  73     dc->width = maxlen + 2;
  74     dc->columns = (80 - 1) / dc->width;
  75 }
  76
  77 static int apps_startup()
  78 {
  79 #ifdef SIGPIPE
  80     signal(SIGPIPE, SIG_IGN);
  81 #endif
  82
  83     /* Set non-default library initialisation settings */
  84     if (!OPENSSL_init_ssl(OPENSSL_INIT_ENGINE_ALL_BUILTIN
  85                           | OPENSSL_INIT_LOAD_CONFIG, NULL))
  86         return 0;
  87
  88     setup_ui_method();
  89
  90     return 1;
  91 }
  92
  93 static void apps_shutdown()
  94 {
  95     destroy_ui_method();
  96 }
  97
  98 static char *make_config_name()
  99 {
 100     const char *t;
 101     size_t len;
 102     char *p;
 103
 104     if ((t = getenv("OPENSSL_CONF")) != NULL)
 105         return OPENSSL_strdup(t);
 106
 107     t = X509_get_default_cert_area();
 108     len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
 109     p = app_malloc(len, "config filename buffer");
 110     strcpy(p, t);
 111 #ifndef OPENSSL_SYS_VMS
 112     strcat(p, "/");
 113 #endif
 114     strcat(p, OPENSSL_CONF);
 115
 116     return p;
 117 }
 118
 119 int main(int argc, char *argv[])
 120 {
 121     FUNCTION f, *fp;
 122     LHASH_OF(FUNCTION) *prog = NULL;
 123     char **copied_argv = NULL;
 124     char *p, *pname;
 125     char buf[1024];
 126     const char *prompt;
 127     ARGS arg;
 128     int first, n, i, ret = 0;
 129
 130     arg.argv = NULL;
 131     arg.size = 0;
 132
 133     /* Set up some of the environment. */
 134     default_config_file = make_config_name();
 135     bio_in = dup_bio_in(FORMAT_TEXT);
 136     bio_out = dup_bio_out(FORMAT_TEXT);
 137     bio_err = dup_bio_err(FORMAT_TEXT);
 138
 139 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
 140     copied_argv = argv = copy_argv(&argc, argv);
 141 #elif defined(_WIN32)
 142     /*
 143      * Replace argv[] with UTF-8 encoded strings.
 144      */
 145     win32_utf8argv(&argc, &argv);
 146 #endif
 147
 148     p = getenv("OPENSSL_DEBUG_MEMORY");
 149     if (p != NULL && strcmp(p, "on") == 0)
 150         CRYPTO_set_mem_debug(1);
 151     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 152
 153     if (getenv("OPENSSL_FIPS")) {
 154         BIO_printf(bio_err, "FIPS mode not supported.\n");
 155         return 1;
 156     }
 157
 158     if (!apps_startup()) {
 159         BIO_printf(bio_err,
 160                    "FATAL: Startup failure (dev note: apps_startup() failed)\n");
 161         ERR_print_errors(bio_err);
 162         ret = 1;
 163         goto end;
 164     }
 165
 166     prog = prog_init();
 167     pname = opt_progname(argv[0]);
 168
 169     /* first check the program name */
 170     f.name = pname;
 171     fp = lh_FUNCTION_retrieve(prog, &f);
 172     if (fp != NULL) {
 173         argv[0] = pname;
 174         ret = fp->func(argc, argv);
 175         goto end;
 176     }
 177
 178     /* If there is stuff on the command line, run with that. */
 179     if (argc != 1) {
 180         argc--;
 181         argv++;
 182         ret = do_cmd(prog, argc, argv);
 183         if (ret < 0)
 184             ret = 0;
 185         goto end;
 186     }
 187
 188     /* ok, lets enter interactive mode */
 189     for (;;) {
 190         ret = 0;
 191         /* Read a line, continue reading if line ends with \ */
 192         for (p = buf, n = sizeof(buf), i = 0, first = 1; n > 0; first = 0) {
 193             prompt = first ? "OpenSSL> " : "> ";
 194             p[0] = '\0';
 195 #ifndef READLINE
 196             fputs(prompt, stdout);
 197             fflush(stdout);
 198             if (!fgets(p, n, stdin))
 199                 goto end;
 200             if (p[0] == '\0')
 201                 goto end;
 202             i = strlen(p);
 203             if (i <= 1)
 204                 break;
 205             if (p[i - 2] != '\\')
 206                 break;
 207             i -= 2;
 208             p += i;
 209             n -= i;
 210 #else
 211             {
 212                 extern char *readline(const char *);
 213                 extern void add_history(const char *cp);
 214                 char *text;
 215
 216                 text = readline(prompt);
 217                 if (text == NULL)
 218                     goto end;
 219                 i = strlen(text);
 220                 if (i == 0 || i > n)
 221                     break;
 222                 if (text[i - 1] != '\\') {
 223                     p += strlen(strcpy(p, text));
 224                     free(text);
 225                     add_history(buf);
 226                     break;
 227                 }
 228
 229                 text[i - 1] = '\0';
 230                 p += strlen(strcpy(p, text));
 231                 free(text);
 232                 n -= i;
 233             }
 234 #endif
 235         }
 236
 237         if (!chopup_args(&arg, buf)) {
 238             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 239             break;
 240         }
 241
 242         ret = do_cmd(prog, arg.argc, arg.argv);
 243         if (ret == EXIT_THE_PROGRAM) {
 244             ret = 0;
 245             goto end;
 246         }
 247         if (ret != 0)
 248             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 249         (void)BIO_flush(bio_out);
 250         (void)BIO_flush(bio_err);
 251     }
 252     ret = 1;
 253  end:
 254     OPENSSL_free(copied_argv);
 255     OPENSSL_free(default_config_file);
 256     lh_FUNCTION_free(prog);
 257     OPENSSL_free(arg.argv);
 258     app_RAND_write();
 259
 260     BIO_free(bio_in);
 261     BIO_free_all(bio_out);
 262     apps_shutdown();
 263 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 264     if (CRYPTO_mem_leaks(bio_err) <= 0)
 265         ret = 1;
 266 #endif
 267     BIO_free(bio_err);
 268     EXIT(ret);
 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 != NULL) {
 275         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 276     } else {
 277         if (from == NULL)
 278             from = "<undefined>";
 279         if (to == NULL)
 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 != NULL) {
 289         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 290     } else {
 291         if (from == NULL)
 292             from = "<undefined>";
 293         if (to == NULL)
 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             /* If there is help, list what flags are not documented. */
 307             for ( ; o->name != NULL; o++) {
 308                 if (o->helpstr == NULL)
 309                     BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
 310             }
 311         } else if (fp->func != dgst_main) {
 312             /* If not aliased to the dgst command, */
 313             BIO_printf(bio_out, "%s *\n", fp->name);
 314         }
 315     }
 316 }
 317
 318 static void list_options_for_command(const char *command)
 319 {
 320     const FUNCTION *fp;
 321     const OPTIONS *o;
 322
 323     for (fp = functions; fp->name != NULL; fp++)
 324         if (strcmp(fp->name, command) == 0)
 325             break;
 326     if (fp->name == NULL) {
 327         BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 328                 command);
 329         return;
 330     }
 331
 332     if ((o = fp->help) == NULL)
 333         return;
 334
 335     for ( ; o->name != NULL; o++) {
 336         if (o->name == OPT_HELP_STR
 337                 || o->name == OPT_MORE_STR
 338                 || o->name[0] == '\0')
 339             continue;
 340         BIO_printf(bio_out, "%s %c\n", o->name, o->valtype);
 341     }
 342 }
 343
 344
 345 /* Unified enum for help and list commands. */
 346 typedef enum HELPLIST_CHOICE {
 347     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ONE,
 348     OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_OPTIONS,
 349     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 350     OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_DISABLED, OPT_MISSING_HELP
 351 } HELPLIST_CHOICE;
 352
 353 const OPTIONS list_options[] = {
 354     {"help", OPT_HELP, '-', "Display this summary"},
 355     {"1", OPT_ONE, '-', "List in one column"},
 356     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 357     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 358      "List of message digest commands"},
 359     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 360      "List of message digest algorithms"},
 361     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 362     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 363      "List of cipher algorithms"},
 364     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 365      "List of public key algorithms"},
 366     {"public-key-methods", OPT_PK_METHOD, '-',
 367      "List of public key methods"},
 368     {"disabled", OPT_DISABLED, '-',
 369      "List of disabled features"},
 370     {"missing-help", OPT_MISSING_HELP, '-',
 371      "List missing detailed help strings"},
 372     {"options", OPT_OPTIONS, 's',
 373      "List options for specified command"},
 374     {NULL}
 375 };
 376
 377 int list_main(int argc, char **argv)
 378 {
 379     char *prog;
 380     HELPLIST_CHOICE o;
 381     int one = 0, done = 0;
 382
 383     prog = opt_init(argc, argv, list_options);
 384     while ((o = opt_next()) != OPT_EOF) {
 385         switch (o) {
 386         case OPT_EOF:  /* Never hit, but suppresses warning */
 387         case OPT_ERR:
 388 opthelp:
 389             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 390             return 1;
 391         case OPT_HELP:
 392             opt_help(list_options);
 393             break;
 394         case OPT_ONE:
 395             one = 1;
 396             break;
 397         case OPT_COMMANDS:
 398             list_type(FT_general, one);
 399             break;
 400         case OPT_DIGEST_COMMANDS:
 401             list_type(FT_md, one);
 402             break;
 403         case OPT_DIGEST_ALGORITHMS:
 404             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 405             break;
 406         case OPT_CIPHER_COMMANDS:
 407             list_type(FT_cipher, one);
 408             break;
 409         case OPT_CIPHER_ALGORITHMS:
 410             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 411             break;
 412         case OPT_PK_ALGORITHMS:
 413             list_pkey();
 414             break;
 415         case OPT_PK_METHOD:
 416             list_pkey_meth();
 417             break;
 418         case OPT_DISABLED:
 419             list_disabled();
 420             break;
 421         case OPT_MISSING_HELP:
 422             list_missing_help();
 423             break;
 424         case OPT_OPTIONS:
 425             list_options_for_command(opt_arg());
 426             break;
 427         }
 428         done = 1;
 429     }
 430     if (opt_num_rest() != 0) {
 431         BIO_printf(bio_err, "Extra arguments given.\n");
 432         goto opthelp;
 433     }
 434
 435     if (!done)
 436         goto opthelp;
 437
 438     return 0;
 439 }
 440
 441 typedef enum HELP_CHOICE {
 442     OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP
 443 } HELP_CHOICE;
 444
 445 const OPTIONS help_options[] = {
 446     {OPT_HELP_STR, 1, '-', "Usage: help [options]\n"},
 447     {OPT_HELP_STR, 1, '-', "       help [command]\n"},
 448     {"help", OPT_hHELP, '-', "Display this summary"},
 449     {NULL}
 450 };
 451
 452
 453 int help_main(int argc, char **argv)
 454 {
 455     FUNCTION *fp;
 456     int i, nl;
 457     FUNC_TYPE tp;
 458     char *prog;
 459     HELP_CHOICE o;
 460     DISPLAY_COLUMNS dc;
 461
 462     prog = opt_init(argc, argv, help_options);
 463     while ((o = opt_next()) != OPT_hEOF) {
 464         switch (o) {
 465         case OPT_hERR:
 466         case OPT_hEOF:
 467             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 468             return 1;
 469         case OPT_hHELP:
 470             opt_help(help_options);
 471             return 0;
 472         }
 473     }
 474
 475     if (opt_num_rest() == 1) {
 476         char *new_argv[3];
 477
 478         new_argv[0] = opt_rest()[0];
 479         new_argv[1] = "--help";
 480         new_argv[2] = NULL;
 481         return do_cmd(prog_init(), 2, new_argv);
 482     }
 483     if (opt_num_rest() != 0) {
 484         BIO_printf(bio_err, "Usage: %s\n", prog);
 485         return 1;
 486     }
 487
 488     calculate_columns(&dc);
 489     BIO_printf(bio_err, "Standard commands");
 490     i = 0;
 491     tp = FT_none;
 492     for (fp = functions; fp->name != NULL; fp++) {
 493         nl = 0;
 494         if (i++ % dc.columns == 0) {
 495             BIO_printf(bio_err, "\n");
 496             nl = 1;
 497         }
 498         if (fp->type != tp) {
 499             tp = fp->type;
 500             if (!nl)
 501                 BIO_printf(bio_err, "\n");
 502             if (tp == FT_md) {
 503                 i = 1;
 504                 BIO_printf(bio_err,
 505                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 506             } else if (tp == FT_cipher) {
 507                 i = 1;
 508                 BIO_printf(bio_err,
 509                            "\nCipher commands (see the `enc' command for more details)\n");
 510             }
 511         }
 512         BIO_printf(bio_err, "%-*s", dc.width, fp->name);
 513     }
 514     BIO_printf(bio_err, "\n\n");
 515     return 0;
 516 }
 517
 518 static void list_type(FUNC_TYPE ft, int one)
 519 {
 520     FUNCTION *fp;
 521     int i = 0;
 522     DISPLAY_COLUMNS dc;
 523
 524     if (!one)
 525         calculate_columns(&dc);
 526
 527     for (fp = functions; fp->name != NULL; fp++) {
 528         if (fp->type != ft)
 529             continue;
 530         if (one) {
 531             BIO_printf(bio_out, "%s\n", fp->name);
 532         } else {
 533             if (i % dc.columns == 0 && i > 0)
 534                 BIO_printf(bio_out, "\n");
 535             BIO_printf(bio_out, "%-*s", dc.width, fp->name);
 536             i++;
 537         }
 538     }
 539     if (!one)
 540         BIO_printf(bio_out, "\n\n");
 541 }
 542
 543 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 544 {
 545     FUNCTION f, *fp;
 546
 547     if (argc <= 0 || argv[0] == NULL)
 548         return 0;
 549     f.name = argv[0];
 550     fp = lh_FUNCTION_retrieve(prog, &f);
 551     if (fp == NULL) {
 552         if (EVP_get_digestbyname(argv[0])) {
 553             f.type = FT_md;
 554             f.func = dgst_main;
 555             fp = &f;
 556         } else if (EVP_get_cipherbyname(argv[0])) {
 557             f.type = FT_cipher;
 558             f.func = enc_main;
 559             fp = &f;
 560         }
 561     }
 562     if (fp != NULL) {
 563         return fp->func(argc, argv);
 564     }
 565     if ((strncmp(argv[0], "no-", 3)) == 0) {
 566         /*
 567          * User is asking if foo is unsupported, by trying to "run" the
 568          * no-foo command.  Strange.
 569          */
 570         f.name = argv[0] + 3;
 571         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 572             BIO_printf(bio_out, "%s\n", argv[0]);
 573             return 0;
 574         }
 575         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 576         return 1;
 577     }
 578     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 579         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 580         /* Special value to mean "exit the program. */
 581         return EXIT_THE_PROGRAM;
 582
 583     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 584                argv[0]);
 585     return 1;
 586 }
 587
 588 static void list_pkey(void)
 589 {
 590     int i;
 591
 592     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 593         const EVP_PKEY_ASN1_METHOD *ameth;
 594         int pkey_id, pkey_base_id, pkey_flags;
 595         const char *pinfo, *pem_str;
 596         ameth = EVP_PKEY_asn1_get0(i);
 597         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 598                                 &pinfo, &pem_str, ameth);
 599         if (pkey_flags & ASN1_PKEY_ALIAS) {
 600             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 601             BIO_printf(bio_out, "\tAlias for: %s\n",
 602                        OBJ_nid2ln(pkey_base_id));
 603         } else {
 604             BIO_printf(bio_out, "Name: %s\n", pinfo);
 605             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 606                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 607                        "External" : "Builtin");
 608             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 609             if (pem_str == NULL)
 610                 pem_str = "(none)";
 611             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 612         }
 613
 614     }
 615 }
 616
 617 static void list_pkey_meth(void)
 618 {
 619     size_t i;
 620     size_t meth_count = EVP_PKEY_meth_get_count();
 621
 622     for (i = 0; i < meth_count; i++) {
 623         const EVP_PKEY_METHOD *pmeth = EVP_PKEY_meth_get0(i);
 624         int pkey_id, pkey_flags;
 625
 626         EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);
 627         BIO_printf(bio_out, "%s\n", OBJ_nid2ln(pkey_id));
 628         BIO_printf(bio_out, "\tType: %s Algorithm\n",
 629                    pkey_flags & ASN1_PKEY_DYNAMIC ?  "External" : "Builtin");
 630     }
 631 }
 632
 633 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 634 {
 635     return strncmp(a->name, b->name, 8);
 636 }
 637
 638 static unsigned long function_hash(const FUNCTION * a)
 639 {
 640     return OPENSSL_LH_strhash(a->name);
 641 }
 642
 643 static int SortFnByName(const void *_f1, const void *_f2)
 644 {
 645     const FUNCTION *f1 = _f1;
 646     const FUNCTION *f2 = _f2;
 647
 648     if (f1->type != f2->type)
 649         return f1->type - f2->type;
 650     return strcmp(f1->name, f2->name);
 651 }
 652
 653 static void list_disabled(void)
 654 {
 655     BIO_puts(bio_out, "Disabled algorithms:\n");
 656 #ifdef OPENSSL_NO_ARIA
 657     BIO_puts(bio_out, "ARIA\n");
 658 #endif
 659 #ifdef OPENSSL_NO_BF
 660     BIO_puts(bio_out, "BF\n");
 661 #endif
 662 #ifdef OPENSSL_NO_BLAKE2
 663     BIO_puts(bio_out, "BLAKE2\n");
 664 #endif
 665 #ifdef OPENSSL_NO_CAMELLIA
 666     BIO_puts(bio_out, "CAMELLIA\n");
 667 #endif
 668 #ifdef OPENSSL_NO_CAST
 669     BIO_puts(bio_out, "CAST\n");
 670 #endif
 671 #ifdef OPENSSL_NO_CMAC
 672     BIO_puts(bio_out, "CMAC\n");
 673 #endif
 674 #ifdef OPENSSL_NO_CMS
 675     BIO_puts(bio_out, "CMS\n");
 676 #endif
 677 #ifdef OPENSSL_NO_COMP
 678     BIO_puts(bio_out, "COMP\n");
 679 #endif
 680 #ifdef OPENSSL_NO_DES
 681     BIO_puts(bio_out, "DES\n");
 682 #endif
 683 #ifdef OPENSSL_NO_DGRAM
 684     BIO_puts(bio_out, "DGRAM\n");
 685 #endif
 686 #ifdef OPENSSL_NO_DH
 687     BIO_puts(bio_out, "DH\n");
 688 #endif
 689 #ifdef OPENSSL_NO_DSA
 690     BIO_puts(bio_out, "DSA\n");
 691 #endif
 692 #if defined(OPENSSL_NO_DTLS)
 693     BIO_puts(bio_out, "DTLS\n");
 694 #endif
 695 #if defined(OPENSSL_NO_DTLS1)
 696     BIO_puts(bio_out, "DTLS1\n");
 697 #endif
 698 #if defined(OPENSSL_NO_DTLS1_2)
 699     BIO_puts(bio_out, "DTLS1_2\n");
 700 #endif
 701 #ifdef OPENSSL_NO_EC
 702     BIO_puts(bio_out, "EC\n");
 703 #endif
 704 #ifdef OPENSSL_NO_EC2M
 705     BIO_puts(bio_out, "EC2M\n");
 706 #endif
 707 #ifdef OPENSSL_NO_ENGINE
 708     BIO_puts(bio_out, "ENGINE\n");
 709 #endif
 710 #ifdef OPENSSL_NO_GOST
 711     BIO_puts(bio_out, "GOST\n");
 712 #endif
 713 #ifdef OPENSSL_NO_HEARTBEATS
 714     BIO_puts(bio_out, "HEARTBEATS\n");
 715 #endif
 716 #ifdef OPENSSL_NO_IDEA
 717     BIO_puts(bio_out, "IDEA\n");
 718 #endif
 719 #ifdef OPENSSL_NO_MD2
 720     BIO_puts(bio_out, "MD2\n");
 721 #endif
 722 #ifdef OPENSSL_NO_MD4
 723     BIO_puts(bio_out, "MD4\n");
 724 #endif
 725 #ifdef OPENSSL_NO_MD5
 726     BIO_puts(bio_out, "MD5\n");
 727 #endif
 728 #ifdef OPENSSL_NO_MDC2
 729     BIO_puts(bio_out, "MDC2\n");
 730 #endif
 731 #ifdef OPENSSL_NO_OCB
 732     BIO_puts(bio_out, "OCB\n");
 733 #endif
 734 #ifdef OPENSSL_NO_OCSP
 735     BIO_puts(bio_out, "OCSP\n");
 736 #endif
 737 #ifdef OPENSSL_NO_PSK
 738     BIO_puts(bio_out, "PSK\n");
 739 #endif
 740 #ifdef OPENSSL_NO_RC2
 741     BIO_puts(bio_out, "RC2\n");
 742 #endif
 743 #ifdef OPENSSL_NO_RC4
 744     BIO_puts(bio_out, "RC4\n");
 745 #endif
 746 #ifdef OPENSSL_NO_RC5
 747     BIO_puts(bio_out, "RC5\n");
 748 #endif
 749 #ifdef OPENSSL_NO_RMD160
 750     BIO_puts(bio_out, "RMD160\n");
 751 #endif
 752 #ifdef OPENSSL_NO_RSA
 753     BIO_puts(bio_out, "RSA\n");
 754 #endif
 755 #ifdef OPENSSL_NO_SCRYPT
 756     BIO_puts(bio_out, "SCRYPT\n");
 757 #endif
 758 #ifdef OPENSSL_NO_SCTP
 759     BIO_puts(bio_out, "SCTP\n");
 760 #endif
 761 #ifdef OPENSSL_NO_SEED
 762     BIO_puts(bio_out, "SEED\n");
 763 #endif
 764 #ifdef OPENSSL_NO_SM3
 765     BIO_puts(bio_out, "SM3\n");
 766 #endif
 767 #ifdef OPENSSL_NO_SM4
 768     BIO_puts(bio_out, "SM4\n");
 769 #endif
 770 #ifdef OPENSSL_NO_SOCK
 771     BIO_puts(bio_out, "SOCK\n");
 772 #endif
 773 #ifdef OPENSSL_NO_SRP
 774     BIO_puts(bio_out, "SRP\n");
 775 #endif
 776 #ifdef OPENSSL_NO_SRTP
 777     BIO_puts(bio_out, "SRTP\n");
 778 #endif
 779 #ifdef OPENSSL_NO_SSL3
 780     BIO_puts(bio_out, "SSL3\n");
 781 #endif
 782 #ifdef OPENSSL_NO_TLS1
 783     BIO_puts(bio_out, "TLS1\n");
 784 #endif
 785 #ifdef OPENSSL_NO_TLS1_1
 786     BIO_puts(bio_out, "TLS1_1\n");
 787 #endif
 788 #ifdef OPENSSL_NO_TLS1_2
 789     BIO_puts(bio_out, "TLS1_2\n");
 790 #endif
 791 #ifdef OPENSSL_NO_WHIRLPOOL
 792     BIO_puts(bio_out, "WHIRLPOOL\n");
 793 #endif
 794 #ifndef ZLIB
 795     BIO_puts(bio_out, "ZLIB\n");
 796 #endif
 797 }
 798
 799 static LHASH_OF(FUNCTION) *prog_init(void)
 800 {
 801     static LHASH_OF(FUNCTION) *ret = NULL;
 802     static int prog_inited = 0;
 803     FUNCTION *f;
 804     size_t i;
 805
 806     if (prog_inited)
 807         return ret;
 808
 809     prog_inited = 1;
 810
 811     /* Sort alphabetically within category. For nicer help displays. */
 812     for (i = 0, f = functions; f->name != NULL; ++f, ++i)
 813         ;
 814     qsort(functions, i, sizeof(*functions), SortFnByName);
 815
 816     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
 817         return NULL;
 818
 819     for (f = functions; f->name != NULL; f++)
 820         (void)lh_FUNCTION_insert(ret, f);
 821     return ret;
 822 }