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 DECLARE_LHASH_OF(FUNCTION);
 157 static LHASH_OF(FUNCTION) *prog_init(void);
 158 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
 159 static void list_pkey(void);
 160 static void list_type(FUNC_TYPE ft);
 161 static void list_disabled(void);
 162 char *default_config_file = NULL;
 163
 164 static CONF *config = NULL;
 165 BIO *bio_in = NULL;
 166 BIO *bio_out = NULL;
 167 BIO *bio_err = NULL;
 168
 169 static int apps_startup()
 170 {
 171 #ifdef SIGPIPE
 172     signal(SIGPIPE, SIG_IGN);
 173 #endif
 174     CRYPTO_malloc_init();
 175     ERR_load_crypto_strings();
 176     ERR_load_SSL_strings();
 177
 178     if (!app_load_modules(NULL)) {
 179         ERR_print_errors(bio_err);
 180         BIO_printf(bio_err, "Error loading default configuration\n");
 181         return 0;
 182     }
 183
 184     OpenSSL_add_all_algorithms();
 185     OpenSSL_add_ssl_algorithms();
 186     OPENSSL_load_builtin_modules();
 187     setup_ui_method();
 188     /*SSL_library_init();*/
 189 #ifndef OPENSSL_NO_ENGINE
 190     ENGINE_load_builtin_engines();
 191 #endif
 192     return 1;
 193 }
 194
 195 static void apps_shutdown()
 196 {
 197 #ifndef OPENSSL_NO_ENGINE
 198     ENGINE_cleanup();
 199 #endif
 200     destroy_ui_method();
 201     CONF_modules_unload(1);
 202 #ifndef OPENSSL_NO_COMP
 203     COMP_zlib_cleanup();
 204     SSL_COMP_free_compression_methods();
 205 #endif
 206     OBJ_cleanup();
 207     EVP_cleanup();
 208     CRYPTO_cleanup_all_ex_data();
 209     ERR_remove_thread_state(NULL);
 210     RAND_cleanup();
 211     ERR_free_strings();
 212 }
 213
 214 static char *make_config_name()
 215 {
 216     const char *t;
 217     size_t len;
 218     char *p;
 219
 220     if ((t = getenv("OPENSSL_CONF")) != NULL
 221         || (t = getenv("SSLEAY_CONF")) != NULL)
 222         return BUF_strdup(t);
 223
 224     t = X509_get_default_cert_area();
 225     len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
 226     p = app_malloc(len, "config filename buffer");
 227     strcpy(p, t);
 228 #ifndef OPENSSL_SYS_VMS
 229     strcat(p, "/");
 230 #endif
 231     strcat(p, OPENSSL_CONF);
 232
 233     return p;
 234 }
 235
 236 static void lock_dbg_cb(int mode, int type, const char *file, int line)
 237 {
 238     static int modes[CRYPTO_NUM_LOCKS];
 239     const char *errstr = NULL;
 240     int rw = mode & (CRYPTO_READ | CRYPTO_WRITE);
 241
 242     if (rw != CRYPTO_READ && rw != CRYPTO_WRITE) {
 243         errstr = "invalid mode";
 244         goto err;
 245     }
 246
 247     if (type < 0 || type >= CRYPTO_NUM_LOCKS) {
 248         errstr = "type out of bounds";
 249         goto err;
 250     }
 251
 252     if (mode & CRYPTO_LOCK) {
 253         if (modes[type]) {
 254             errstr = "already locked";
 255             /* must not happen in a single-threaded program --> deadlock! */
 256             goto err;
 257         }
 258         modes[type] = rw;
 259     } else if (mode & CRYPTO_UNLOCK) {
 260         if (!modes[type]) {
 261             errstr = "not locked";
 262             goto err;
 263         }
 264
 265         if (modes[type] != rw) {
 266             errstr = (rw == CRYPTO_READ) ?
 267                 "CRYPTO_r_unlock on write lock" :
 268                 "CRYPTO_w_unlock on read lock";
 269         }
 270
 271         modes[type] = 0;
 272     } else {
 273         errstr = "invalid mode";
 274         goto err;
 275     }
 276
 277  err:
 278     if (errstr) {
 279         BIO_printf(bio_err,
 280                    "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
 281                    errstr, mode, type, file, line);
 282     }
 283 }
 284
 285 #if defined( OPENSSL_SYS_VMS)
 286 extern char **copy_argv(int *argc, char **argv);
 287 #endif
 288
 289 int main(int argc, char *argv[])
 290 {
 291     FUNCTION f, *fp;
 292     LHASH_OF(FUNCTION) *prog = NULL;
 293     char **copied_argv = NULL;
 294     char *p, *pname;
 295     char buf[1024];
 296     const char *prompt;
 297     ARGS arg;
 298     int first, n, i, ret = 0;
 299
 300     arg.argv = NULL;
 301     arg.size = 0;
 302
 303     /* Set up some of the environment. */
 304     default_config_file = make_config_name();
 305     bio_in = dup_bio_in(FORMAT_TEXT);
 306     bio_out = dup_bio_out(FORMAT_TEXT);
 307     bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
 308
 309 #if defined( OPENSSL_SYS_VMS)
 310     copied_argv = argv = copy_argv(&argc, argv);
 311 #endif
 312
 313     p = getenv("OPENSSL_DEBUG_MEMORY");
 314     if (p == NULL)
 315         /* if not set, use compiled-in default */
 316         ;
 317     else if (strcmp(p, "off") != 0) {
 318         CRYPTO_malloc_debug_init();
 319         CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
 320     } else {
 321         CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
 322     }
 323     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 324     CRYPTO_set_locking_callback(lock_dbg_cb);
 325
 326     if (getenv("OPENSSL_FIPS")) {
 327 #ifdef OPENSSL_FIPS
 328         if (!FIPS_mode_set(1)) {
 329             ERR_load_crypto_strings();
 330             ERR_print_errors(bio_err);
 331             return 1;
 332         }
 333 #else
 334         BIO_printf(bio_err, "FIPS mode not supported.\n");
 335         return 1;
 336 #endif
 337     }
 338
 339     if (!apps_startup())
 340         goto end;
 341
 342     prog = prog_init();
 343     pname = opt_progname(argv[0]);
 344
 345     /* first check the program name */
 346     f.name = pname;
 347     fp = lh_FUNCTION_retrieve(prog, &f);
 348     if (fp != NULL) {
 349         argv[0] = pname;
 350         ret = fp->func(argc, argv);
 351         goto end;
 352     }
 353
 354     /* If there is stuff on the command line, run with that. */
 355     if (argc != 1) {
 356         argc--;
 357         argv++;
 358         ret = do_cmd(prog, argc, argv);
 359         if (ret < 0)
 360             ret = 0;
 361         goto end;
 362     }
 363
 364     /* ok, lets enter interactive mode */
 365     for (;;) {
 366         ret = 0;
 367         /* Read a line, continue reading if line ends with \ */
 368         for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
 369             prompt = first ? "OpenSSL> " : "> ";
 370             p[0] = '\0';
 371 #ifndef READLINE
 372             fputs(prompt, stdout);
 373             fflush(stdout);
 374             if (!fgets(p, n, stdin))
 375                 goto end;
 376             if (p[0] == '\0')
 377                 goto end;
 378             i = strlen(p);
 379             if (i <= 1)
 380                 break;
 381             if (p[i - 2] != '\\')
 382                 break;
 383             i -= 2;
 384             p += i;
 385             n -= i;
 386 #else
 387             {
 388                 extern char *readline(const char *);
 389                 extern void add_history(const char *cp);
 390                 char *text;
 391
 392                 char *text = readline(prompt);
 393                 if (text == NULL)
 394                     goto end;
 395                 i = strlen(text);
 396                 if (i == 0 || i > n)
 397                     break;
 398                 if (text[i - 1] != '\\') {
 399                     p += strlen(strcpy(p, text));
 400                     free(text);
 401                     add_history(buf);
 402                     break;
 403                 }
 404
 405                 text[i - 1] = '\0';
 406                 p += strlen(strcpy(p, text));
 407                 free(text);
 408                 n -= i;
 409             }
 410 #endif
 411         }
 412
 413         if (!chopup_args(&arg, buf)) {
 414             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 415             break;
 416         }
 417
 418         ret = do_cmd(prog, arg.argc, arg.argv);
 419         if (ret == EXIT_THE_PROGRAM) {
 420             ret = 0;
 421             goto end;
 422         }
 423         if (ret != 0)
 424             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 425         (void)BIO_flush(bio_out);
 426         (void)BIO_flush(bio_err);
 427     }
 428     ret = 1;
 429  end:
 430     OPENSSL_free(copied_argv);
 431     OPENSSL_free(default_config_file);
 432     NCONF_free(config);
 433     config = NULL;
 434     lh_FUNCTION_free(prog);
 435     OPENSSL_free(arg.argv);
 436
 437     BIO_free(bio_in);
 438     BIO_free_all(bio_out);
 439     apps_shutdown();
 440     CRYPTO_mem_leaks(bio_err);
 441     BIO_free(bio_err);
 442     return (ret);
 443 }
 444
 445 OPTIONS exit_options[] = {
 446     {NULL}
 447 };
 448
 449 static void list_cipher_fn(const EVP_CIPHER *c,
 450                            const char *from, const char *to, void *arg)
 451 {
 452     if (c)
 453         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 454     else {
 455         if (!from)
 456             from = "<undefined>";
 457         if (!to)
 458             to = "<undefined>";
 459         BIO_printf(arg, "%s => %s\n", from, to);
 460     }
 461 }
 462
 463 static void list_md_fn(const EVP_MD *m,
 464                        const char *from, const char *to, void *arg)
 465 {
 466     if (m)
 467         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 468     else {
 469         if (!from)
 470             from = "<undefined>";
 471         if (!to)
 472             to = "<undefined>";
 473         BIO_printf((BIO *)arg, "%s => %s\n", from, to);
 474     }
 475 }
 476
 477 /* Unified enum for help and list commands. */
 478 typedef enum HELPLIST_CHOICE {
 479     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
 480     OPT_COMMANDS, OPT_DIGEST_COMMANDS,
 481     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 482     OPT_PK_ALGORITHMS, OPT_DISABLED
 483 } HELPLIST_CHOICE;
 484
 485 OPTIONS list_options[] = {
 486     {"help", OPT_HELP, '-', "Display this summary"},
 487     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 488     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 489      "List of message digest commands"},
 490     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 491      "List of message digest algorithms"},
 492     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 493     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 494      "List of cipher algorithms"},
 495     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 496      "List of public key algorithms"},
 497     {"disabled", OPT_DISABLED, '-',
 498      "List of disabled features"},
 499     {NULL}
 500 };
 501
 502 int list_main(int argc, char **argv)
 503 {
 504     char *prog;
 505     HELPLIST_CHOICE o;
 506     int done = 0;
 507
 508     prog = opt_init(argc, argv, list_options);
 509     while ((o = opt_next()) != OPT_EOF) {
 510         switch (o) {
 511         case OPT_EOF:  /* Never hit, but suppresses warning */
 512         case OPT_ERR:
 513             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 514             return 1;
 515         case OPT_HELP:
 516             opt_help(list_options);
 517             break;
 518         case OPT_COMMANDS:
 519             list_type(FT_general);
 520             break;
 521         case OPT_DIGEST_COMMANDS:
 522             list_type(FT_md);
 523             break;
 524         case OPT_DIGEST_ALGORITHMS:
 525             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 526             break;
 527         case OPT_CIPHER_COMMANDS:
 528             list_type(FT_cipher);
 529             break;
 530         case OPT_CIPHER_ALGORITHMS:
 531             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 532             break;
 533         case OPT_PK_ALGORITHMS:
 534             list_pkey();
 535             break;
 536         case OPT_DISABLED:
 537             list_disabled();
 538             break;
 539         }
 540         done = 1;
 541     }
 542
 543     if (!done) {
 544         BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 545         return 1;
 546     }
 547
 548     return 0;
 549 }
 550
 551 OPTIONS help_options[] = {
 552     {"help", OPT_HELP, '-', "Display this summary"},
 553     {NULL}
 554 };
 555
 556 int help_main(int argc, char **argv)
 557 {
 558     FUNCTION *fp;
 559     int i, nl;
 560     FUNC_TYPE tp;
 561     char *prog;
 562     HELPLIST_CHOICE o;
 563
 564     prog = opt_init(argc, argv, help_options);
 565     while ((o = opt_next()) != OPT_EOF) {
 566         switch (o) {
 567         default:
 568             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 569             return 1;
 570         case OPT_HELP:
 571             opt_help(help_options);
 572             return 0;
 573         }
 574     }
 575     argc = opt_num_rest();
 576     argv = opt_rest();
 577
 578     if (argc != 0) {
 579         BIO_printf(bio_err, "Usage: %s\n", prog);
 580         return 1;
 581     }
 582
 583     BIO_printf(bio_err, "\nStandard commands");
 584     i = 0;
 585     tp = FT_none;
 586     for (fp = functions; fp->name != NULL; fp++) {
 587         nl = 0;
 588         if (((i++) % COLUMNS) == 0) {
 589             BIO_printf(bio_err, "\n");
 590             nl = 1;
 591         }
 592         if (fp->type != tp) {
 593             tp = fp->type;
 594             if (!nl)
 595                 BIO_printf(bio_err, "\n");
 596             if (tp == FT_md) {
 597                 i = 1;
 598                 BIO_printf(bio_err,
 599                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 600             } else if (tp == FT_cipher) {
 601                 i = 1;
 602                 BIO_printf(bio_err,
 603                            "\nCipher commands (see the `enc' command for more details)\n");
 604             }
 605         }
 606         BIO_printf(bio_err, FORMAT, fp->name);
 607     }
 608     BIO_printf(bio_err, "\n\n");
 609     return 0;
 610 }
 611
 612 int exit_main(int argc, char **argv)
 613 {
 614     return EXIT_THE_PROGRAM;
 615 }
 616
 617 static void list_type(FUNC_TYPE ft)
 618 {
 619     FUNCTION *fp;
 620     int i = 0;
 621
 622     for (fp = functions; fp->name != NULL; fp++)
 623         if (fp->type == ft) {
 624             if ((i++ % COLUMNS) == 0)
 625                 BIO_printf(bio_out, "\n");
 626             BIO_printf(bio_out, FORMAT, fp->name);
 627         }
 628     BIO_printf(bio_out, "\n");
 629 }
 630
 631 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 632 {
 633     FUNCTION f, *fp;
 634
 635     if (argc <= 0 || argv[0] == NULL)
 636         return (0);
 637     f.name = argv[0];
 638     fp = lh_FUNCTION_retrieve(prog, &f);
 639     if (fp == NULL) {
 640         if (EVP_get_digestbyname(argv[0])) {
 641             f.type = FT_md;
 642             f.func = dgst_main;
 643             fp = &f;
 644         } else if (EVP_get_cipherbyname(argv[0])) {
 645             f.type = FT_cipher;
 646             f.func = enc_main;
 647             fp = &f;
 648         }
 649     }
 650     if (fp != NULL) {
 651         return (fp->func(argc, argv));
 652     }
 653     if ((strncmp(argv[0], "no-", 3)) == 0) {
 654         /*
 655          * User is asking if foo is unsupported, by trying to "run" the
 656          * no-foo command.  Strange.
 657          */
 658         f.name = argv[0] + 3;
 659         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 660             BIO_printf(bio_out, "%s\n", argv[0]);
 661             return (0);
 662         }
 663         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 664         return 1;
 665     }
 666     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 667         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 668         /* Special value to mean "exit the program. */
 669         return EXIT_THE_PROGRAM;
 670
 671     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 672                argv[0]);
 673     return (1);
 674 }
 675
 676 static void list_pkey(void)
 677 {
 678     int i;
 679
 680     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 681         const EVP_PKEY_ASN1_METHOD *ameth;
 682         int pkey_id, pkey_base_id, pkey_flags;
 683         const char *pinfo, *pem_str;
 684         ameth = EVP_PKEY_asn1_get0(i);
 685         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 686                                 &pinfo, &pem_str, ameth);
 687         if (pkey_flags & ASN1_PKEY_ALIAS) {
 688             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 689             BIO_printf(bio_out, "\tAlias for: %s\n",
 690                        OBJ_nid2ln(pkey_base_id));
 691         } else {
 692             BIO_printf(bio_out, "Name: %s\n", pinfo);
 693             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 694                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 695                        "External" : "Builtin");
 696             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 697             if (pem_str == NULL)
 698                 pem_str = "(none)";
 699             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 700         }
 701
 702     }
 703 }
 704
 705 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 706 {
 707     return strncmp(a->name, b->name, 8);
 708 }
 709
 710 static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
 711
 712 static unsigned long function_hash(const FUNCTION * a)
 713 {
 714     return lh_strhash(a->name);
 715 }
 716
 717 static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
 718
 719 static int SortFnByName(const void *_f1, const void *_f2)
 720 {
 721     const FUNCTION *f1 = _f1;
 722     const FUNCTION *f2 = _f2;
 723
 724     if (f1->type != f2->type)
 725         return f1->type - f2->type;
 726     return strcmp(f1->name, f2->name);
 727 }
 728
 729 static void list_disabled(void)
 730 {
 731     BIO_puts(bio_out, "Disabled algorithms:\n");
 732 #ifdef OPENSSL_NO_AES
 733     BIO_puts(bio_out, "AES\n");
 734 #endif
 735 #ifdef OPENSSL_NO_BF
 736     BIO_puts(bio_out, "BF\n");
 737 #endif
 738 #ifdef OPENSSL_NO_CAMELLIA
 739     BIO_puts(bio_out, "CAMELLIA\n");
 740 #endif
 741 #ifdef OPENSSL_NO_CAST
 742     BIO_puts(bio_out, "CAST\n");
 743 #endif
 744 #ifdef OPENSSL_NO_CMAC
 745     BIO_puts(bio_out, "CMAC\n");
 746 #endif
 747 #ifdef OPENSSL_NO_CMS
 748     BIO_puts(bio_out, "CMS\n");
 749 #endif
 750 #ifdef OPENSSL_NO_COMP
 751     BIO_puts(bio_out, "COMP\n");
 752 #endif
 753 #ifdef OPENSSL_NO_DES
 754     BIO_puts(bio_out, "DES\n");
 755 #endif
 756 #ifdef OPENSSL_NO_DGRAM
 757     BIO_puts(bio_out, "DGRAM\n");
 758 #endif
 759 #ifdef OPENSSL_NO_DH
 760     BIO_puts(bio_out, "DH\n");
 761 #endif
 762 #ifdef OPENSSL_NO_DSA
 763     BIO_puts(bio_out, "DSA\n");
 764 #endif
 765 #if defined(OPENSSL_NO_DTLS1) || defined(OPENSSL_NO_DTLS)
 766     BIO_puts(bio_out, "DTLS1\n");
 767 #endif
 768 #ifdef OPENSSL_NO_EC
 769     BIO_puts(bio_out, "EC\n");
 770 #endif
 771 #ifdef OPENSSL_NO_EC2M
 772     BIO_puts(bio_out, "EC2M\n");
 773 #endif
 774 #ifdef OPENSSL_NO_ENGINE
 775     BIO_puts(bio_out, "ENGINE\n");
 776 #endif
 777 #ifdef OPENSSL_NO_GOST
 778     BIO_puts(bio_out, "GOST\n");
 779 #endif
 780 #ifdef OPENSSL_NO_HMAC
 781     BIO_puts(bio_out, "HMAC\n");
 782 #endif
 783 #ifdef OPENSSL_NO_IDEA
 784     BIO_puts(bio_out, "IDEA\n");
 785 #endif
 786 #ifdef OPENSSL_NO_JPAKE
 787     BIO_puts(bio_out, "JPAKE\n");
 788 #endif
 789 #ifdef OPENSSL_NO_MD2
 790     BIO_puts(bio_out, "MD2\n");
 791 #endif
 792 #ifdef OPENSSL_NO_MD4
 793     BIO_puts(bio_out, "MD4\n");
 794 #endif
 795 #ifdef OPENSSL_NO_MD5
 796     BIO_puts(bio_out, "MD5\n");
 797 #endif
 798 #ifdef OPENSSL_NO_MDC2
 799     BIO_puts(bio_out, "MDC2\n");
 800 #endif
 801 #ifdef OPENSSL_NO_OCB
 802     BIO_puts(bio_out, "OCB\n");
 803 #endif
 804 #ifdef OPENSSL_NO_OCSP
 805     BIO_puts(bio_out, "OCSP\n");
 806 #endif
 807 #ifdef OPENSSL_NO_PSK
 808     BIO_puts(bio_out, "PSK\n");
 809 #endif
 810 #ifdef OPENSSL_NO_RC2
 811     BIO_puts(bio_out, "RC2\n");
 812 #endif
 813 #ifdef OPENSSL_NO_RC4
 814     BIO_puts(bio_out, "RC4\n");
 815 #endif
 816 #ifdef OPENSSL_NO_RC5
 817     BIO_puts(bio_out, "RC5\n");
 818 #endif
 819 #ifdef OPENSSL_NO_RMD160
 820     BIO_puts(bio_out, "RMD160\n");
 821 #endif
 822 #ifdef OPENSSL_NO_RSA
 823     BIO_puts(bio_out, "RSA\n");
 824 #endif
 825 #ifdef OPENSSL_NO_SCRYPT
 826     BIO_puts(bio_out, "SCRYPT\n");
 827 #endif
 828 #ifdef OPENSSL_NO_SCT
 829     BIO_puts(bio_out, "SCT\n");
 830 #endif
 831 #ifdef OPENSSL_NO_SCTP
 832     BIO_puts(bio_out, "SCTP\n");
 833 #endif
 834 #ifdef OPENSSL_NO_SEED
 835     BIO_puts(bio_out, "SEED\n");
 836 #endif
 837 #ifdef OPENSSL_NO_SHA
 838     BIO_puts(bio_out, "SHA\n");
 839 #endif
 840 #ifdef OPENSSL_NO_SOCK
 841     BIO_puts(bio_out, "SOCK\n");
 842 #endif
 843 #ifdef OPENSSL_NO_SRP
 844     BIO_puts(bio_out, "SRP\n");
 845 #endif
 846 #ifdef OPENSSL_NO_SRTP
 847     BIO_puts(bio_out, "SRTP\n");
 848 #endif
 849 #ifdef OPENSSL_NO_SSL3
 850     BIO_puts(bio_out, "SSL3\n");
 851 #endif
 852 #ifdef OPENSSL_NO_WHIRLPOOL
 853     BIO_puts(bio_out, "WHIRLPOOL\n");
 854 #endif
 855 #ifndef ZLIB
 856     BIO_puts(bio_out, "ZLIB\n");
 857 #endif
 858 }
 859
 860 static LHASH_OF(FUNCTION) *prog_init(void)
 861 {
 862     LHASH_OF(FUNCTION) *ret;
 863     FUNCTION *f;
 864     size_t i;
 865
 866     /* Sort alphabetically within category. For nicer help displays. */
 867     for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
 868     qsort(functions, i, sizeof(*functions), SortFnByName);
 869
 870     if ((ret = lh_FUNCTION_new()) == NULL)
 871         return (NULL);
 872
 873     for (f = functions; f->name != NULL; f++)
 874         (void)lh_FUNCTION_insert(ret, f);
 875     return (ret);
 876 }