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     ERR_load_crypto_strings();
 174     ERR_load_SSL_strings();
 175
 176     OPENSSL_load_builtin_modules();
 177     SSL_add_ssl_module();
 178 #ifndef OPENSSL_NO_ENGINE
 179     ENGINE_load_builtin_engines();
 180 #endif
 181     if (!app_load_modules(NULL)) {
 182         ERR_print_errors(bio_err);
 183         BIO_printf(bio_err, "Error loading default configuration\n");
 184         return 0;
 185     }
 186
 187     OpenSSL_add_all_algorithms();
 188     OpenSSL_add_ssl_algorithms();
 189     setup_ui_method();
 190     /*SSL_library_init();*/
 191     return 1;
 192 }
 193
 194 static void apps_shutdown()
 195 {
 196 #ifndef OPENSSL_NO_ENGINE
 197     ENGINE_cleanup();
 198 #endif
 199     destroy_ui_method();
 200     CONF_modules_unload(1);
 201 #ifndef OPENSSL_NO_COMP
 202     COMP_zlib_cleanup();
 203     SSL_COMP_free_compression_methods();
 204 #endif
 205     OBJ_cleanup();
 206     EVP_cleanup();
 207     CRYPTO_cleanup_all_ex_data();
 208     ERR_remove_thread_state(NULL);
 209     RAND_cleanup();
 210     ERR_free_strings();
 211 }
 212
 213 static char *make_config_name()
 214 {
 215     const char *t;
 216     size_t len;
 217     char *p;
 218
 219     if ((t = getenv("OPENSSL_CONF")) != NULL)
 220         return OPENSSL_strdup(t);
 221
 222     t = X509_get_default_cert_area();
 223     len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
 224     p = app_malloc(len, "config filename buffer");
 225     strcpy(p, t);
 226 #ifndef OPENSSL_SYS_VMS
 227     strcat(p, "/");
 228 #endif
 229     strcat(p, OPENSSL_CONF);
 230
 231     return p;
 232 }
 233
 234 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 235 {
 236     static int modes[CRYPTO_NUM_LOCKS];
 237     const char *errstr = NULL;
 238     int rw = mode & (CRYPTO_READ | CRYPTO_WRITE);
 239
 240     if (rw != CRYPTO_READ && rw != CRYPTO_WRITE) {
 241         errstr = "invalid mode";
 242         goto err;
 243     }
 244
 245     if (type < 0 || type >= CRYPTO_NUM_LOCKS) {
 246         errstr = "type out of bounds";
 247         goto err;
 248     }
 249
 250     if (mode & CRYPTO_LOCK) {
 251         if (modes[type]) {
 252             errstr = "already locked";
 253             /* must not happen in a single-threaded program --> deadlock! */
 254             goto err;
 255         }
 256         modes[type] = rw;
 257     } else if (mode & CRYPTO_UNLOCK) {
 258         if (!modes[type]) {
 259             errstr = "not locked";
 260             goto err;
 261         }
 262
 263         if (modes[type] != rw) {
 264             errstr = (rw == CRYPTO_READ) ?
 265                 "CRYPTO_r_unlock on write lock" :
 266                 "CRYPTO_w_unlock on read lock";
 267         }
 268
 269         modes[type] = 0;
 270     } else {
 271         errstr = "invalid mode";
 272         goto err;
 273     }
 274
 275  err:
 276     if (errstr) {
 277         BIO_printf(bio_err,
 278                    "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 279                    errstr, mode, type, file, line);
 280     }
 281 }
 282
 283 #if defined( OPENSSL_SYS_VMS)
 284 extern char **copy_argv(int *argc, char **argv);
 285 #endif
 286
 287 int main(int argc, char *argv[])
 288 {
 289     FUNCTION f, *fp;
 290     LHASH_OF(FUNCTION) *prog = NULL;
 291     char **copied_argv = NULL;
 292     char *p, *pname;
 293     char buf[1024];
 294     const char *prompt;
 295     ARGS arg;
 296     int first, n, i, ret = 0;
 297
 298     arg.argv = NULL;
 299     arg.size = 0;
 300
 301     /* Set up some of the environment. */
 302     default_config_file = make_config_name();
 303     bio_in = dup_bio_in(FORMAT_TEXT);
 304     bio_out = dup_bio_out(FORMAT_TEXT);
 305     bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
 306
 307 #if defined( OPENSSL_SYS_VMS)
 308     copied_argv = argv = copy_argv(&argc, argv);
 309 #endif
 310
 311     p = getenv("OPENSSL_DEBUG_MEMORY");
 312     if (p != NULL && strcmp(p, "on") == 0)
 313         CRYPTO_set_mem_debug(1);
 314     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 315     CRYPTO_set_locking_callback(lock_dbg_cb);
 316
 317     if (getenv("OPENSSL_FIPS")) {
 318 #ifdef OPENSSL_FIPS
 319         if (!FIPS_mode_set(1)) {
 320             ERR_load_crypto_strings();
 321             ERR_print_errors(bio_err);
 322             return 1;
 323         }
 324 #else
 325         BIO_printf(bio_err, "FIPS mode not supported.\n");
 326         return 1;
 327 #endif
 328     }
 329
 330     if (!apps_startup())
 331         goto end;
 332
 333     prog = prog_init();
 334     pname = opt_progname(argv[0]);
 335
 336     /* first check the program name */
 337     f.name = pname;
 338     fp = lh_FUNCTION_retrieve(prog, &f);
 339     if (fp != NULL) {
 340         argv[0] = pname;
 341         ret = fp->func(argc, argv);
 342         goto end;
 343     }
 344
 345     /* If there is stuff on the command line, run with that. */
 346     if (argc != 1) {
 347         argc--;
 348         argv++;
 349         ret = do_cmd(prog, argc, argv);
 350         if (ret < 0)
 351             ret = 0;
 352         goto end;
 353     }
 354
 355     /* ok, lets enter interactive mode */
 356     for (;;) {
 357         ret = 0;
 358         /* Read a line, continue reading if line ends with \ */
 359         for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
 360             prompt = first ? "OpenSSL> " : "> ";
 361             p[0] = '\0';
 362 #ifndef READLINE
 363             fputs(prompt, stdout);
 364             fflush(stdout);
 365             if (!fgets(p, n, stdin))
 366                 goto end;
 367             if (p[0] == '\0')
 368                 goto end;
 369             i = strlen(p);
 370             if (i <= 1)
 371                 break;
 372             if (p[i - 2] != '\\')
 373                 break;
 374             i -= 2;
 375             p += i;
 376             n -= i;
 377 #else
 378             {
 379                 extern char *readline(const char *);
 380                 extern void add_history(const char *cp);
 381                 char *text;
 382
 383                 char *text = readline(prompt);
 384                 if (text == NULL)
 385                     goto end;
 386                 i = strlen(text);
 387                 if (i == 0 || i > n)
 388                     break;
 389                 if (text[i - 1] != '\\') {
 390                     p += strlen(strcpy(p, text));
 391                     free(text);
 392                     add_history(buf);
 393                     break;
 394                 }
 395
 396                 text[i - 1] = '\0';
 397                 p += strlen(strcpy(p, text));
 398                 free(text);
 399                 n -= i;
 400             }
 401 #endif
 402         }
 403
 404         if (!chopup_args(&arg, buf)) {
 405             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 406             break;
 407         }
 408
 409         ret = do_cmd(prog, arg.argc, arg.argv);
 410         if (ret == EXIT_THE_PROGRAM) {
 411             ret = 0;
 412             goto end;
 413         }
 414         if (ret != 0)
 415             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 416         (void)BIO_flush(bio_out);
 417         (void)BIO_flush(bio_err);
 418     }
 419     ret = 1;
 420  end:
 421     OPENSSL_free(copied_argv);
 422     OPENSSL_free(default_config_file);
 423     NCONF_free(config);
 424     config = NULL;
 425     lh_FUNCTION_free(prog);
 426     OPENSSL_free(arg.argv);
 427
 428     BIO_free(bio_in);
 429     BIO_free_all(bio_out);
 430     apps_shutdown();
 431 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 432     CRYPTO_mem_leaks(bio_err);
 433 #endif
 434     BIO_free(bio_err);
 435     return (ret);
 436 }
 437
 438 OPTIONS exit_options[] = {
 439     {NULL}
 440 };
 441
 442 static void list_cipher_fn(const EVP_CIPHER *c,
 443                            const char *from, const char *to, void *arg)
 444 {
 445     if (c)
 446         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 447     else {
 448         if (!from)
 449             from = "<undefined>";
 450         if (!to)
 451             to = "<undefined>";
 452         BIO_printf(arg, "%s => %s\n", from, to);
 453     }
 454 }
 455
 456 static void list_md_fn(const EVP_MD *m,
 457                        const char *from, const char *to, void *arg)
 458 {
 459     if (m)
 460         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 461     else {
 462         if (!from)
 463             from = "<undefined>";
 464         if (!to)
 465             to = "<undefined>";
 466         BIO_printf((BIO *)arg, "%s => %s\n", from, to);
 467     }
 468 }
 469
 470 /* Unified enum for help and list commands. */
 471 typedef enum HELPLIST_CHOICE {
 472     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
 473     OPT_COMMANDS, OPT_DIGEST_COMMANDS,
 474     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 475     OPT_PK_ALGORITHMS, OPT_DISABLED
 476 } HELPLIST_CHOICE;
 477
 478 OPTIONS list_options[] = {
 479     {"help", OPT_HELP, '-', "Display this summary"},
 480     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 481     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 482      "List of message digest commands"},
 483     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 484      "List of message digest algorithms"},
 485     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 486     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 487      "List of cipher algorithms"},
 488     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 489      "List of public key algorithms"},
 490     {"disabled", OPT_DISABLED, '-',
 491      "List of disabled features"},
 492     {NULL}
 493 };
 494
 495 int list_main(int argc, char **argv)
 496 {
 497     char *prog;
 498     HELPLIST_CHOICE o;
 499     int done = 0;
 500
 501     prog = opt_init(argc, argv, list_options);
 502     while ((o = opt_next()) != OPT_EOF) {
 503         switch (o) {
 504         case OPT_EOF:  /* Never hit, but suppresses warning */
 505         case OPT_ERR:
 506             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 507             return 1;
 508         case OPT_HELP:
 509             opt_help(list_options);
 510             break;
 511         case OPT_COMMANDS:
 512             list_type(FT_general);
 513             break;
 514         case OPT_DIGEST_COMMANDS:
 515             list_type(FT_md);
 516             break;
 517         case OPT_DIGEST_ALGORITHMS:
 518             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 519             break;
 520         case OPT_CIPHER_COMMANDS:
 521             list_type(FT_cipher);
 522             break;
 523         case OPT_CIPHER_ALGORITHMS:
 524             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 525             break;
 526         case OPT_PK_ALGORITHMS:
 527             list_pkey();
 528             break;
 529         case OPT_DISABLED:
 530             list_disabled();
 531             break;
 532         }
 533         done = 1;
 534     }
 535
 536     if (!done) {
 537         BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 538         return 1;
 539     }
 540
 541     return 0;
 542 }
 543
 544 OPTIONS help_options[] = {
 545     {"help", OPT_HELP, '-', "Display this summary"},
 546     {NULL}
 547 };
 548
 549 int help_main(int argc, char **argv)
 550 {
 551     FUNCTION *fp;
 552     int i, nl;
 553     FUNC_TYPE tp;
 554     char *prog;
 555     HELPLIST_CHOICE o;
 556
 557     prog = opt_init(argc, argv, help_options);
 558     while ((o = opt_next()) != OPT_EOF) {
 559         switch (o) {
 560         default:
 561             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 562             return 1;
 563         case OPT_HELP:
 564             opt_help(help_options);
 565             return 0;
 566         }
 567     }
 568     argc = opt_num_rest();
 569     argv = opt_rest();
 570
 571     if (argc != 0) {
 572         BIO_printf(bio_err, "Usage: %s\n", prog);
 573         return 1;
 574     }
 575
 576     BIO_printf(bio_err, "\nStandard commands");
 577     i = 0;
 578     tp = FT_none;
 579     for (fp = functions; fp->name != NULL; fp++) {
 580         nl = 0;
 581         if (((i++) % COLUMNS) == 0) {
 582             BIO_printf(bio_err, "\n");
 583             nl = 1;
 584         }
 585         if (fp->type != tp) {
 586             tp = fp->type;
 587             if (!nl)
 588                 BIO_printf(bio_err, "\n");
 589             if (tp == FT_md) {
 590                 i = 1;
 591                 BIO_printf(bio_err,
 592                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 593             } else if (tp == FT_cipher) {
 594                 i = 1;
 595                 BIO_printf(bio_err,
 596                            "\nCipher commands (see the `enc' command for more details)\n");
 597             }
 598         }
 599         BIO_printf(bio_err, FORMAT, fp->name);
 600     }
 601     BIO_printf(bio_err, "\n\n");
 602     return 0;
 603 }
 604
 605 int exit_main(int argc, char **argv)
 606 {
 607     return EXIT_THE_PROGRAM;
 608 }
 609
 610 static void list_type(FUNC_TYPE ft)
 611 {
 612     FUNCTION *fp;
 613     int i = 0;
 614
 615     for (fp = functions; fp->name != NULL; fp++)
 616         if (fp->type == ft) {
 617             if ((i++ % COLUMNS) == 0)
 618                 BIO_printf(bio_out, "\n");
 619             BIO_printf(bio_out, FORMAT, fp->name);
 620         }
 621     BIO_printf(bio_out, "\n");
 622 }
 623
 624 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 625 {
 626     FUNCTION f, *fp;
 627
 628     if (argc <= 0 || argv[0] == NULL)
 629         return (0);
 630     f.name = argv[0];
 631     fp = lh_FUNCTION_retrieve(prog, &f);
 632     if (fp == NULL) {
 633         if (EVP_get_digestbyname(argv[0])) {
 634             f.type = FT_md;
 635             f.func = dgst_main;
 636             fp = &f;
 637         } else if (EVP_get_cipherbyname(argv[0])) {
 638             f.type = FT_cipher;
 639             f.func = enc_main;
 640             fp = &f;
 641         }
 642     }
 643     if (fp != NULL) {
 644         return (fp->func(argc, argv));
 645     }
 646     if ((strncmp(argv[0], "no-", 3)) == 0) {
 647         /*
 648          * User is asking if foo is unsupported, by trying to "run" the
 649          * no-foo command.  Strange.
 650          */
 651         f.name = argv[0] + 3;
 652         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 653             BIO_printf(bio_out, "%s\n", argv[0]);
 654             return (0);
 655         }
 656         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 657         return 1;
 658     }
 659     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 660         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 661         /* Special value to mean "exit the program. */
 662         return EXIT_THE_PROGRAM;
 663
 664     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 665                argv[0]);
 666     return (1);
 667 }
 668
 669 static void list_pkey(void)
 670 {
 671     int i;
 672
 673     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 674         const EVP_PKEY_ASN1_METHOD *ameth;
 675         int pkey_id, pkey_base_id, pkey_flags;
 676         const char *pinfo, *pem_str;
 677         ameth = EVP_PKEY_asn1_get0(i);
 678         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 679                                 &pinfo, &pem_str, ameth);
 680         if (pkey_flags & ASN1_PKEY_ALIAS) {
 681             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 682             BIO_printf(bio_out, "\tAlias for: %s\n",
 683                        OBJ_nid2ln(pkey_base_id));
 684         } else {
 685             BIO_printf(bio_out, "Name: %s\n", pinfo);
 686             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 687                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 688                        "External" : "Builtin");
 689             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 690             if (pem_str == NULL)
 691                 pem_str = "(none)";
 692             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 693         }
 694
 695     }
 696 }
 697
 698 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 699 {
 700     return strncmp(a->name, b->name, 8);
 701 }
 702
 703 static unsigned long function_hash(const FUNCTION * a)
 704 {
 705     return lh_strhash(a->name);
 706 }
 707
 708 static int SortFnByName(const void *_f1, const void *_f2)
 709 {
 710     const FUNCTION *f1 = _f1;
 711     const FUNCTION *f2 = _f2;
 712
 713     if (f1->type != f2->type)
 714         return f1->type - f2->type;
 715     return strcmp(f1->name, f2->name);
 716 }
 717
 718 static void list_disabled(void)
 719 {
 720     BIO_puts(bio_out, "Disabled algorithms:\n");
 721 #ifdef OPENSSL_NO_AES
 722     BIO_puts(bio_out, "AES\n");
 723 #endif
 724 #ifdef OPENSSL_NO_BF
 725     BIO_puts(bio_out, "BF\n");
 726 #endif
 727 #ifdef OPENSSL_NO_CAMELLIA
 728     BIO_puts(bio_out, "CAMELLIA\n");
 729 #endif
 730 #ifdef OPENSSL_NO_CAST
 731     BIO_puts(bio_out, "CAST\n");
 732 #endif
 733 #ifdef OPENSSL_NO_CMAC
 734     BIO_puts(bio_out, "CMAC\n");
 735 #endif
 736 #ifdef OPENSSL_NO_CMS
 737     BIO_puts(bio_out, "CMS\n");
 738 #endif
 739 #ifdef OPENSSL_NO_COMP
 740     BIO_puts(bio_out, "COMP\n");
 741 #endif
 742 #ifdef OPENSSL_NO_DES
 743     BIO_puts(bio_out, "DES\n");
 744 #endif
 745 #ifdef OPENSSL_NO_DGRAM
 746     BIO_puts(bio_out, "DGRAM\n");
 747 #endif
 748 #ifdef OPENSSL_NO_DH
 749     BIO_puts(bio_out, "DH\n");
 750 #endif
 751 #ifdef OPENSSL_NO_DSA
 752     BIO_puts(bio_out, "DSA\n");
 753 #endif
 754 #if defined(OPENSSL_NO_DTLS)
 755     BIO_puts(bio_out, "DTLS\n");
 756 #endif
 757 #ifdef OPENSSL_NO_EC
 758     BIO_puts(bio_out, "EC\n");
 759 #endif
 760 #ifdef OPENSSL_NO_EC2M
 761     BIO_puts(bio_out, "EC2M\n");
 762 #endif
 763 #ifdef OPENSSL_NO_ENGINE
 764     BIO_puts(bio_out, "ENGINE\n");
 765 #endif
 766 #ifdef OPENSSL_NO_GOST
 767     BIO_puts(bio_out, "GOST\n");
 768 #endif
 769 #ifdef OPENSSL_NO_HMAC
 770     BIO_puts(bio_out, "HMAC\n");
 771 #endif
 772 #ifdef OPENSSL_NO_IDEA
 773     BIO_puts(bio_out, "IDEA\n");
 774 #endif
 775 #ifdef OPENSSL_NO_JPAKE
 776     BIO_puts(bio_out, "JPAKE\n");
 777 #endif
 778 #ifdef OPENSSL_NO_MD2
 779     BIO_puts(bio_out, "MD2\n");
 780 #endif
 781 #ifdef OPENSSL_NO_MD4
 782     BIO_puts(bio_out, "MD4\n");
 783 #endif
 784 #ifdef OPENSSL_NO_MD5
 785     BIO_puts(bio_out, "MD5\n");
 786 #endif
 787 #ifdef OPENSSL_NO_MDC2
 788     BIO_puts(bio_out, "MDC2\n");
 789 #endif
 790 #ifdef OPENSSL_NO_OCB
 791     BIO_puts(bio_out, "OCB\n");
 792 #endif
 793 #ifdef OPENSSL_NO_OCSP
 794     BIO_puts(bio_out, "OCSP\n");
 795 #endif
 796 #ifdef OPENSSL_NO_PSK
 797     BIO_puts(bio_out, "PSK\n");
 798 #endif
 799 #ifdef OPENSSL_NO_RC2
 800     BIO_puts(bio_out, "RC2\n");
 801 #endif
 802 #ifdef OPENSSL_NO_RC4
 803     BIO_puts(bio_out, "RC4\n");
 804 #endif
 805 #ifdef OPENSSL_NO_RC5
 806     BIO_puts(bio_out, "RC5\n");
 807 #endif
 808 #ifdef OPENSSL_NO_RMD160
 809     BIO_puts(bio_out, "RMD160\n");
 810 #endif
 811 #ifdef OPENSSL_NO_RSA
 812     BIO_puts(bio_out, "RSA\n");
 813 #endif
 814 #ifdef OPENSSL_NO_SCRYPT
 815     BIO_puts(bio_out, "SCRYPT\n");
 816 #endif
 817 #ifdef OPENSSL_NO_SCT
 818     BIO_puts(bio_out, "SCT\n");
 819 #endif
 820 #ifdef OPENSSL_NO_SCTP
 821     BIO_puts(bio_out, "SCTP\n");
 822 #endif
 823 #ifdef OPENSSL_NO_SEED
 824     BIO_puts(bio_out, "SEED\n");
 825 #endif
 826 #ifdef OPENSSL_NO_SHA
 827     BIO_puts(bio_out, "SHA\n");
 828 #endif
 829 #ifdef OPENSSL_NO_SOCK
 830     BIO_puts(bio_out, "SOCK\n");
 831 #endif
 832 #ifdef OPENSSL_NO_SRP
 833     BIO_puts(bio_out, "SRP\n");
 834 #endif
 835 #ifdef OPENSSL_NO_SRTP
 836     BIO_puts(bio_out, "SRTP\n");
 837 #endif
 838 #ifdef OPENSSL_NO_SSL3
 839     BIO_puts(bio_out, "SSL3\n");
 840 #endif
 841 #ifdef OPENSSL_NO_WHIRLPOOL
 842     BIO_puts(bio_out, "WHIRLPOOL\n");
 843 #endif
 844 #ifndef ZLIB
 845     BIO_puts(bio_out, "ZLIB\n");
 846 #endif
 847 }
 848
 849 static LHASH_OF(FUNCTION) *prog_init(void)
 850 {
 851     LHASH_OF(FUNCTION) *ret;
 852     FUNCTION *f;
 853     size_t i;
 854
 855     /* Sort alphabetically within category. For nicer help displays. */
 856     for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
 857     qsort(functions, i, sizeof(*functions), SortFnByName);
 858
 859     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
 860         return (NULL);
 861
 862     for (f = functions; f->name != NULL; f++)
 863         (void)lh_FUNCTION_insert(ret, f);
 864     return (ret);
 865 }