apps/openssl.c

   1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   2  * All rights reserved.
   3  *
   4  * This package is an SSL implementation written
   5  * by Eric Young (eay@cryptsoft.com).
   6  * The implementation was written so as to conform with Netscapes SSL.
   7  *
   8  * This library is free for commercial and non-commercial use as long as
   9  * the following conditions are aheared to.  The following conditions
  10  * apply to all code found in this distribution, be it the RC4, RSA,
  11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  12  * included with this distribution is covered by the same copyright terms
  13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14  *
  15  * Copyright remains Eric Young's, and as such any Copyright notices in
  16  * the code are not to be removed.
  17  * If this package is used in a product, Eric Young should be given attribution
  18  * as the author of the parts of the library used.
  19  * This can be in the form of a textual message at program startup or
  20  * in documentation (online or textual) provided with the package.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *    "This product includes cryptographic software written by
  33  *     Eric Young (eay@cryptsoft.com)"
  34  *    The word 'cryptographic' can be left out if the rouines from the library
  35  *    being used are not cryptographic related :-).
  36  * 4. If you include any Windows specific code (or a derivative thereof) from
  37  *    the apps directory (application code) you must include an acknowledgement:
  38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50  * SUCH DAMAGE.
  51  *
  52  * The licence and distribution terms for any publically available version or
  53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  54  * copied and put under another distribution licence
  55  * [including the GNU Public Licence.]
  56  */
  57 /* ====================================================================
  58  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  59  *
  60  * Redistribution and use in source and binary forms, with or without
  61  * modification, are permitted provided that the following conditions
  62  * are met:
  63  *
  64  * 1. Redistributions of source code must retain the above copyright
  65  *    notice, this list of conditions and the following disclaimer.
  66  *
  67  * 2. Redistributions in binary form must reproduce the above copyright
  68  *    notice, this list of conditions and the following disclaimer in
  69  *    the documentation and/or other materials provided with the
  70  *    distribution.
  71  *
  72  * 3. All advertising materials mentioning features or use of this
  73  *    software must display the following acknowledgment:
  74  *    "This product includes software developed by the OpenSSL Project
  75  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  76  *
  77  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  78  *    endorse or promote products derived from this software without
  79  *    prior written permission. For written permission, please contact
  80  *    openssl-core@openssl.org.
  81  *
  82  * 5. Products derived from this software may not be called "OpenSSL"
  83  *    nor may "OpenSSL" appear in their names without prior written
  84  *    permission of the OpenSSL Project.
  85  *
  86  * 6. Redistributions of any form whatsoever must retain the following
  87  *    acknowledgment:
  88  *    "This product includes software developed by the OpenSSL Project
  89  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  90  *
  91  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  92  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  93  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  94  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  95  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  96  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  97  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  98  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  99  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 100  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 101  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 102  * OF THE POSSIBILITY OF SUCH DAMAGE.
 103  * ====================================================================
 104  *
 105  * This product includes cryptographic software written by Eric Young
 106  * (eay@cryptsoft.com).  This product includes software written by Tim
 107  * Hudson (tjh@cryptsoft.com).
 108  *
 109  */
 110
 111 #include <stdio.h>
 112 #include <string.h>
 113 #include <stdlib.h>
 114 #include <openssl/bio.h>
 115 #include <openssl/crypto.h>
 116 #include <openssl/rand.h>
 117 #include <openssl/lhash.h>
 118 #include <openssl/conf.h>
 119 #include <openssl/x509.h>
 120 #include <openssl/pem.h>
 121 #include <openssl/ssl.h>
 122 #ifndef OPENSSL_NO_ENGINE
 123 # include <openssl/engine.h>
 124 #endif
 125 #include <openssl/err.h>
 126 #ifdef OPENSSL_FIPS
 127 # include <openssl/fips.h>
 128 #endif
 129 #define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
 130 #include "s_apps.h"
 131 /* Needed to get the other O_xxx flags. */
 132 #ifdef OPENSSL_SYS_VMS
 133 # include <unixio.h>
 134 #endif
 135 #define INCLUDE_FUNCTION_TABLE
 136 #include "apps.h"
 137
 138
 139 #ifdef OPENSSL_NO_CAMELLIA
 140 # define FORMAT "%-15s"
 141 # define COLUMNS 5
 142 #else
 143 # define FORMAT "%-18s"
 144 # define COLUMNS 4
 145 #endif
 146
 147 /* Special sentinel to exit the program. */
 148 #define EXIT_THE_PROGRAM (-1)
 149
 150 /*
 151  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with
 152  * the base prototypes (we cast each variable inside the function to the
 153  * required type of "FUNCTION*"). This removes the necessity for
 154  * macro-generated wrapper functions.
 155  */
 156 static LHASH_OF(FUNCTION) *prog_init(void);
 157 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
 158 static void list_pkey(void);
 159 static void list_type(FUNC_TYPE ft);
 160 static void list_disabled(void);
 161 char *default_config_file = NULL;
 162
 163 static CONF *config = NULL;
 164 BIO *bio_in = NULL;
 165 BIO *bio_out = NULL;
 166 BIO *bio_err = NULL;
 167
 168 static int apps_startup()
 169 {
 170 #ifdef SIGPIPE
 171     signal(SIGPIPE, SIG_IGN);
 172 #endif
 173
 174     /* Set non-default library initialisation settings */
 175     if (!OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_ALL_BUILTIN
 176                              | OPENSSL_INIT_LOAD_CONFIG, NULL))
 177         return 0;
 178
 179     setup_ui_method();
 180
 181     return 1;
 182 }
 183
 184 static void apps_shutdown()
 185 {
 186     destroy_ui_method();
 187 }
 188
 189 static char *make_config_name()
 190 {
 191     const char *t;
 192     size_t len;
 193     char *p;
 194
 195     if ((t = getenv("OPENSSL_CONF")) != NULL)
 196         return OPENSSL_strdup(t);
 197
 198     t = X509_get_default_cert_area();
 199     len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
 200     p = app_malloc(len, "config filename buffer");
 201     strcpy(p, t);
 202 #ifndef OPENSSL_SYS_VMS
 203     strcat(p, "/");
 204 #endif
 205     strcat(p, OPENSSL_CONF);
 206
 207     return p;
 208 }
 209
 210 int main(int argc, char *argv[])
 211 {
 212     FUNCTION f, *fp;
 213     LHASH_OF(FUNCTION) *prog = NULL;
 214     char **copied_argv = NULL;
 215     char **argv_alias  = NULL;
 216     char *p, *pname;
 217     char buf[1024];
 218     const char *prompt;
 219     ARGS arg;
 220     int first, n, i, ret = 0;
 221
 222     arg.argv = NULL;
 223     arg.size = 0;
 224
 225     /* Set up some of the environment. */
 226     default_config_file = make_config_name();
 227     bio_in = dup_bio_in(FORMAT_TEXT);
 228     bio_out = dup_bio_out(FORMAT_TEXT);
 229     bio_err = dup_bio_err(FORMAT_TEXT);
 230
 231 #if defined( OPENSSL_SYS_VMS) && defined(__DECC)
 232     copied_argv = argv_alias = copy_argv(&argc, argv);
 233 #else
 234     argv_alias = argv;
 235 #endif
 236
 237     p = getenv("OPENSSL_DEBUG_MEMORY");
 238     if (p != NULL && strcmp(p, "on") == 0)
 239         CRYPTO_set_mem_debug(1);
 240     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 241
 242     if (getenv("OPENSSL_FIPS")) {
 243 #ifdef OPENSSL_FIPS
 244         if (!FIPS_mode_set(1)) {
 245             ERR_print_errors(bio_err);
 246             return 1;
 247         }
 248 #else
 249         BIO_printf(bio_err, "FIPS mode not supported.\n");
 250         return 1;
 251 #endif
 252     }
 253
 254     if (!apps_startup())
 255         goto end;
 256
 257     prog = prog_init();
 258     pname = opt_progname(argv_alias[0]);
 259
 260     /* first check the program name */
 261     f.name = pname;
 262     fp = lh_FUNCTION_retrieve(prog, &f);
 263     if (fp != NULL) {
 264         argv_alias[0] = pname;
 265         ret = fp->func(argc, argv_alias);
 266         goto end;
 267     }
 268
 269     /* If there is stuff on the command line, run with that. */
 270     if (argc != 1) {
 271         argc--;
 272         argv_alias++;
 273         ret = do_cmd(prog, argc, argv_alias);
 274         if (ret < 0)
 275             ret = 0;
 276         goto end;
 277     }
 278
 279     /* ok, lets enter interactive mode */
 280     for (;;) {
 281         ret = 0;
 282         /* Read a line, continue reading if line ends with \ */
 283         for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
 284             prompt = first ? "OpenSSL> " : "> ";
 285             p[0] = '\0';
 286 #ifndef READLINE
 287             fputs(prompt, stdout);
 288             fflush(stdout);
 289             if (!fgets(p, n, stdin))
 290                 goto end;
 291             if (p[0] == '\0')
 292                 goto end;
 293             i = strlen(p);
 294             if (i <= 1)
 295                 break;
 296             if (p[i - 2] != '\\')
 297                 break;
 298             i -= 2;
 299             p += i;
 300             n -= i;
 301 #else
 302             {
 303                 extern char *readline(const char *);
 304                 extern void add_history(const char *cp);
 305                 char *text;
 306
 307                 char *text = readline(prompt);
 308                 if (text == NULL)
 309                     goto end;
 310                 i = strlen(text);
 311                 if (i == 0 || i > n)
 312                     break;
 313                 if (text[i - 1] != '\\') {
 314                     p += strlen(strcpy(p, text));
 315                     free(text);
 316                     add_history(buf);
 317                     break;
 318                 }
 319
 320                 text[i - 1] = '\0';
 321                 p += strlen(strcpy(p, text));
 322                 free(text);
 323                 n -= i;
 324             }
 325 #endif
 326         }
 327
 328         if (!chopup_args(&arg, buf)) {
 329             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 330             break;
 331         }
 332
 333         ret = do_cmd(prog, arg.argc, arg.argv);
 334         if (ret == EXIT_THE_PROGRAM) {
 335             ret = 0;
 336             goto end;
 337         }
 338         if (ret != 0)
 339             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 340         (void)BIO_flush(bio_out);
 341         (void)BIO_flush(bio_err);
 342     }
 343     ret = 1;
 344  end:
 345     OPENSSL_free(copied_argv);
 346     OPENSSL_free(default_config_file);
 347     NCONF_free(config);
 348     config = NULL;
 349     lh_FUNCTION_free(prog);
 350     OPENSSL_free(arg.argv);
 351
 352     BIO_free(bio_in);
 353     BIO_free_all(bio_out);
 354     apps_shutdown();
 355 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 356     if (CRYPTO_mem_leaks(bio_err) <= 0)
 357         ret = 1;
 358 #endif
 359     BIO_free(bio_err);
 360     EXIT(ret);
 361 }
 362
 363 OPTIONS exit_options[] = {
 364     {NULL}
 365 };
 366
 367 static void list_cipher_fn(const EVP_CIPHER *c,
 368                            const char *from, const char *to, void *arg)
 369 {
 370     if (c)
 371         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 372     else {
 373         if (!from)
 374             from = "<undefined>";
 375         if (!to)
 376             to = "<undefined>";
 377         BIO_printf(arg, "%s => %s\n", from, to);
 378     }
 379 }
 380
 381 static void list_md_fn(const EVP_MD *m,
 382                        const char *from, const char *to, void *arg)
 383 {
 384     if (m)
 385         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 386     else {
 387         if (!from)
 388             from = "<undefined>";
 389         if (!to)
 390             to = "<undefined>";
 391         BIO_printf((BIO *)arg, "%s => %s\n", from, to);
 392     }
 393 }
 394
 395 /* Unified enum for help and list commands. */
 396 typedef enum HELPLIST_CHOICE {
 397     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
 398     OPT_COMMANDS, OPT_DIGEST_COMMANDS,
 399     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 400     OPT_PK_ALGORITHMS, OPT_DISABLED
 401 } HELPLIST_CHOICE;
 402
 403 OPTIONS list_options[] = {
 404     {"help", OPT_HELP, '-', "Display this summary"},
 405     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 406     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 407      "List of message digest commands"},
 408     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 409      "List of message digest algorithms"},
 410     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 411     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 412      "List of cipher algorithms"},
 413     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 414      "List of public key algorithms"},
 415     {"disabled", OPT_DISABLED, '-',
 416      "List of disabled features"},
 417     {NULL}
 418 };
 419
 420 int list_main(int argc, char **argv)
 421 {
 422     char *prog;
 423     HELPLIST_CHOICE o;
 424     int done = 0;
 425
 426     prog = opt_init(argc, argv, list_options);
 427     while ((o = opt_next()) != OPT_EOF) {
 428         switch (o) {
 429         case OPT_EOF:  /* Never hit, but suppresses warning */
 430         case OPT_ERR:
 431             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 432             return 1;
 433         case OPT_HELP:
 434             opt_help(list_options);
 435             break;
 436         case OPT_COMMANDS:
 437             list_type(FT_general);
 438             break;
 439         case OPT_DIGEST_COMMANDS:
 440             list_type(FT_md);
 441             break;
 442         case OPT_DIGEST_ALGORITHMS:
 443             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 444             break;
 445         case OPT_CIPHER_COMMANDS:
 446             list_type(FT_cipher);
 447             break;
 448         case OPT_CIPHER_ALGORITHMS:
 449             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 450             break;
 451         case OPT_PK_ALGORITHMS:
 452             list_pkey();
 453             break;
 454         case OPT_DISABLED:
 455             list_disabled();
 456             break;
 457         }
 458         done = 1;
 459     }
 460
 461     if (!done) {
 462         BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 463         return 1;
 464     }
 465
 466     return 0;
 467 }
 468
 469 OPTIONS help_options[] = {
 470     {"help", OPT_HELP, '-', "Display this summary"},
 471     {NULL}
 472 };
 473
 474 int help_main(int argc, char **argv)
 475 {
 476     FUNCTION *fp;
 477     int i, nl;
 478     FUNC_TYPE tp;
 479     char *prog;
 480     HELPLIST_CHOICE o;
 481
 482     prog = opt_init(argc, argv, help_options);
 483     while ((o = opt_next()) != OPT_EOF) {
 484         switch (o) {
 485         default:
 486             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 487             return 1;
 488         case OPT_HELP:
 489             opt_help(help_options);
 490             return 0;
 491         }
 492     }
 493     argc = opt_num_rest();
 494     argv = opt_rest();
 495
 496     if (argc != 0) {
 497         BIO_printf(bio_err, "Usage: %s\n", prog);
 498         return 1;
 499     }
 500
 501     BIO_printf(bio_err, "\nStandard commands");
 502     i = 0;
 503     tp = FT_none;
 504     for (fp = functions; fp->name != NULL; fp++) {
 505         nl = 0;
 506         if (((i++) % COLUMNS) == 0) {
 507             BIO_printf(bio_err, "\n");
 508             nl = 1;
 509         }
 510         if (fp->type != tp) {
 511             tp = fp->type;
 512             if (!nl)
 513                 BIO_printf(bio_err, "\n");
 514             if (tp == FT_md) {
 515                 i = 1;
 516                 BIO_printf(bio_err,
 517                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 518             } else if (tp == FT_cipher) {
 519                 i = 1;
 520                 BIO_printf(bio_err,
 521                            "\nCipher commands (see the `enc' command for more details)\n");
 522             }
 523         }
 524         BIO_printf(bio_err, FORMAT, fp->name);
 525     }
 526     BIO_printf(bio_err, "\n\n");
 527     return 0;
 528 }
 529
 530 int exit_main(int argc, char **argv)
 531 {
 532     return EXIT_THE_PROGRAM;
 533 }
 534
 535 static void list_type(FUNC_TYPE ft)
 536 {
 537     FUNCTION *fp;
 538     int i = 0;
 539
 540     for (fp = functions; fp->name != NULL; fp++)
 541         if (fp->type == ft) {
 542             if ((i++ % COLUMNS) == 0)
 543                 BIO_printf(bio_out, "\n");
 544             BIO_printf(bio_out, FORMAT, fp->name);
 545         }
 546     BIO_printf(bio_out, "\n");
 547 }
 548
 549 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 550 {
 551     FUNCTION f, *fp;
 552
 553     if (argc <= 0 || argv[0] == NULL)
 554         return (0);
 555     f.name = argv[0];
 556     fp = lh_FUNCTION_retrieve(prog, &f);
 557     if (fp == NULL) {
 558         if (EVP_get_digestbyname(argv[0])) {
 559             f.type = FT_md;
 560             f.func = dgst_main;
 561             fp = &f;
 562         } else if (EVP_get_cipherbyname(argv[0])) {
 563             f.type = FT_cipher;
 564             f.func = enc_main;
 565             fp = &f;
 566         }
 567     }
 568     if (fp != NULL) {
 569         return (fp->func(argc, argv));
 570     }
 571     if ((strncmp(argv[0], "no-", 3)) == 0) {
 572         /*
 573          * User is asking if foo is unsupported, by trying to "run" the
 574          * no-foo command.  Strange.
 575          */
 576         f.name = argv[0] + 3;
 577         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 578             BIO_printf(bio_out, "%s\n", argv[0]);
 579             return (0);
 580         }
 581         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 582         return 1;
 583     }
 584     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 585         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 586         /* Special value to mean "exit the program. */
 587         return EXIT_THE_PROGRAM;
 588
 589     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 590                argv[0]);
 591     return (1);
 592 }
 593
 594 static void list_pkey(void)
 595 {
 596     int i;
 597
 598     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 599         const EVP_PKEY_ASN1_METHOD *ameth;
 600         int pkey_id, pkey_base_id, pkey_flags;
 601         const char *pinfo, *pem_str;
 602         ameth = EVP_PKEY_asn1_get0(i);
 603         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 604                                 &pinfo, &pem_str, ameth);
 605         if (pkey_flags & ASN1_PKEY_ALIAS) {
 606             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 607             BIO_printf(bio_out, "\tAlias for: %s\n",
 608                        OBJ_nid2ln(pkey_base_id));
 609         } else {
 610             BIO_printf(bio_out, "Name: %s\n", pinfo);
 611             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 612                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 613                        "External" : "Builtin");
 614             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 615             if (pem_str == NULL)
 616                 pem_str = "(none)";
 617             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 618         }
 619
 620     }
 621 }
 622
 623 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 624 {
 625     return strncmp(a->name, b->name, 8);
 626 }
 627
 628 static unsigned long function_hash(const FUNCTION * a)
 629 {
 630     return lh_strhash(a->name);
 631 }
 632
 633 static int SortFnByName(const void *_f1, const void *_f2)
 634 {
 635     const FUNCTION *f1 = _f1;
 636     const FUNCTION *f2 = _f2;
 637
 638     if (f1->type != f2->type)
 639         return f1->type - f2->type;
 640     return strcmp(f1->name, f2->name);
 641 }
 642
 643 static void list_disabled(void)
 644 {
 645     BIO_puts(bio_out, "Disabled algorithms:\n");
 646 #ifdef OPENSSL_NO_AES
 647     BIO_puts(bio_out, "AES\n");
 648 #endif
 649 #ifdef OPENSSL_NO_BF
 650     BIO_puts(bio_out, "BF\n");
 651 #endif
 652 #ifndef OPENSSL_NO_BLAKE2
 653     BIO_puts(bio_out, "BLAKE2\n");
 654 #endif
 655 #ifdef OPENSSL_NO_CAMELLIA
 656     BIO_puts(bio_out, "CAMELLIA\n");
 657 #endif
 658 #ifdef OPENSSL_NO_CAST
 659     BIO_puts(bio_out, "CAST\n");
 660 #endif
 661 #ifdef OPENSSL_NO_CMAC
 662     BIO_puts(bio_out, "CMAC\n");
 663 #endif
 664 #ifdef OPENSSL_NO_CMS
 665     BIO_puts(bio_out, "CMS\n");
 666 #endif
 667 #ifdef OPENSSL_NO_COMP
 668     BIO_puts(bio_out, "COMP\n");
 669 #endif
 670 #ifdef OPENSSL_NO_DES
 671     BIO_puts(bio_out, "DES\n");
 672 #endif
 673 #ifdef OPENSSL_NO_DGRAM
 674     BIO_puts(bio_out, "DGRAM\n");
 675 #endif
 676 #ifdef OPENSSL_NO_DH
 677     BIO_puts(bio_out, "DH\n");
 678 #endif
 679 #ifdef OPENSSL_NO_DSA
 680     BIO_puts(bio_out, "DSA\n");
 681 #endif
 682 #if defined(OPENSSL_NO_DTLS)
 683     BIO_puts(bio_out, "DTLS\n");
 684 #endif
 685 #if defined(OPENSSL_NO_DTLS1)
 686     BIO_puts(bio_out, "DTLS1\n");
 687 #endif
 688 #if defined(OPENSSL_NO_DTLS1_2)
 689     BIO_puts(bio_out, "DTLS1_2\n");
 690 #endif
 691 #ifdef OPENSSL_NO_EC
 692     BIO_puts(bio_out, "EC\n");
 693 #endif
 694 #ifdef OPENSSL_NO_EC2M
 695     BIO_puts(bio_out, "EC2M\n");
 696 #endif
 697 #ifdef OPENSSL_NO_ENGINE
 698     BIO_puts(bio_out, "ENGINE\n");
 699 #endif
 700 #ifdef OPENSSL_NO_GOST
 701     BIO_puts(bio_out, "GOST\n");
 702 #endif
 703 #ifdef OPENSSL_NO_HEARTBEATS
 704     BIO_puts(bio_out, "HEARTBEATS\n");
 705 #endif
 706 #ifdef OPENSSL_NO_HMAC
 707     BIO_puts(bio_out, "HMAC\n");
 708 #endif
 709 #ifdef OPENSSL_NO_IDEA
 710     BIO_puts(bio_out, "IDEA\n");
 711 #endif
 712 #ifdef OPENSSL_NO_MD2
 713     BIO_puts(bio_out, "MD2\n");
 714 #endif
 715 #ifdef OPENSSL_NO_MD4
 716     BIO_puts(bio_out, "MD4\n");
 717 #endif
 718 #ifdef OPENSSL_NO_MD5
 719     BIO_puts(bio_out, "MD5\n");
 720 #endif
 721 #ifdef OPENSSL_NO_MDC2
 722     BIO_puts(bio_out, "MDC2\n");
 723 #endif
 724 #ifdef OPENSSL_NO_OCB
 725     BIO_puts(bio_out, "OCB\n");
 726 #endif
 727 #ifdef OPENSSL_NO_OCSP
 728     BIO_puts(bio_out, "OCSP\n");
 729 #endif
 730 #ifdef OPENSSL_NO_PSK
 731     BIO_puts(bio_out, "PSK\n");
 732 #endif
 733 #ifdef OPENSSL_NO_RC2
 734     BIO_puts(bio_out, "RC2\n");
 735 #endif
 736 #ifdef OPENSSL_NO_RC4
 737     BIO_puts(bio_out, "RC4\n");
 738 #endif
 739 #ifdef OPENSSL_NO_RC5
 740     BIO_puts(bio_out, "RC5\n");
 741 #endif
 742 #ifdef OPENSSL_NO_RMD160
 743     BIO_puts(bio_out, "RMD160\n");
 744 #endif
 745 #ifdef OPENSSL_NO_RSA
 746     BIO_puts(bio_out, "RSA\n");
 747 #endif
 748 #ifdef OPENSSL_NO_SCRYPT
 749     BIO_puts(bio_out, "SCRYPT\n");
 750 #endif
 751 #ifdef OPENSSL_NO_SCT
 752     BIO_puts(bio_out, "SCT\n");
 753 #endif
 754 #ifdef OPENSSL_NO_SCTP
 755     BIO_puts(bio_out, "SCTP\n");
 756 #endif
 757 #ifdef OPENSSL_NO_SEED
 758     BIO_puts(bio_out, "SEED\n");
 759 #endif
 760 #ifdef OPENSSL_NO_SHA
 761     BIO_puts(bio_out, "SHA\n");
 762 #endif
 763 #ifdef OPENSSL_NO_SOCK
 764     BIO_puts(bio_out, "SOCK\n");
 765 #endif
 766 #ifdef OPENSSL_NO_SRP
 767     BIO_puts(bio_out, "SRP\n");
 768 #endif
 769 #ifdef OPENSSL_NO_SRTP
 770     BIO_puts(bio_out, "SRTP\n");
 771 #endif
 772 #ifdef OPENSSL_NO_SSL
 773     BIO_puts(bio_out, "SSL\n");
 774 #endif
 775 #ifdef OPENSSL_NO_SSL3
 776     BIO_puts(bio_out, "SSL3\n");
 777 #endif
 778 #if defined(OPENSSL_NO_TLS)
 779     BIO_puts(bio_out, "TLS\n");
 780 #endif
 781 #ifdef OPENSSL_NO_TLS1
 782     BIO_puts(bio_out, "TLS1\n");
 783 #endif
 784 #ifdef OPENSSL_NO_TLS1_1
 785     BIO_puts(bio_out, "TLS1_1\n");
 786 #endif
 787 #ifdef OPENSSL_NO_TLS1_2
 788     BIO_puts(bio_out, "TLS1_2\n");
 789 #endif
 790 #ifdef OPENSSL_NO_WHIRLPOOL
 791     BIO_puts(bio_out, "WHIRLPOOL\n");
 792 #endif
 793 #ifndef ZLIB
 794     BIO_puts(bio_out, "ZLIB\n");
 795 #endif
 796 }
 797
 798 static LHASH_OF(FUNCTION) *prog_init(void)
 799 {
 800     LHASH_OF(FUNCTION) *ret;
 801     FUNCTION *f;
 802     size_t i;
 803
 804     /* Sort alphabetically within category. For nicer help displays. */
 805     for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
 806     qsort(functions, i, sizeof(*functions), SortFnByName);
 807
 808     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
 809         return (NULL);
 810
 811     for (f = functions; f->name != NULL; f++)
 812         (void)lh_FUNCTION_insert(ret, f);
 813     return (ret);
 814 }