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