apps/openssl.c

   1 /*
   2  * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <internal/cryptlib.h>
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include <stdlib.h>
  14 #include <openssl/bio.h>
  15 #include <openssl/crypto.h>
  16 #include <openssl/lhash.h>
  17 #include <openssl/conf.h>
  18 #include <openssl/x509.h>
  19 #include <openssl/pem.h>
  20 #include <openssl/ssl.h>
  21 #ifndef OPENSSL_NO_ENGINE
  22 # include <openssl/engine.h>
  23 #endif
  24 #include <openssl/err.h>
  25 #include "s_apps.h"
  26 /* Needed to get the other O_xxx flags. */
  27 #ifdef OPENSSL_SYS_VMS
  28 # include <unixio.h>
  29 #endif
  30 #include "apps.h"
  31 #define INCLUDE_FUNCTION_TABLE
  32 #include "progs.h"
  33
  34 /* Structure to hold the number of columns to be displayed and the
  35  * field width used to display them.
  36  */
  37 typedef struct {
  38     int columns;
  39     int width;
  40 } DISPLAY_COLUMNS;
  41
  42 /* Special sentinel to exit the program. */
  43 #define EXIT_THE_PROGRAM (-1)
  44
  45 /*
  46  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with
  47  * the base prototypes (we cast each variable inside the function to the
  48  * required type of "FUNCTION*"). This removes the necessity for
  49  * macro-generated wrapper functions.
  50  */
  51 static LHASH_OF(FUNCTION) *prog_init(void);
  52 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
  53 static void list_pkey(void);
  54 static void list_pkey_meth(void);
  55 static void list_type(FUNC_TYPE ft, int one);
  56 static void list_disabled(void);
  57 char *default_config_file = NULL;
  58
  59 BIO *bio_in = NULL;
  60 BIO *bio_out = NULL;
  61 BIO *bio_err = NULL;
  62
  63 static void calculate_columns(DISPLAY_COLUMNS *dc)
  64 {
  65     FUNCTION *f;
  66     int len, maxlen = 0;
  67
  68     for (f = functions; f->name != NULL; ++f)
  69         if (f->type == FT_general || f->type == FT_md || f->type == FT_cipher)
  70             if ((len = strlen(f->name)) > maxlen)
  71                 maxlen = len;
  72
  73     dc->width = maxlen + 2;
  74     dc->columns = (80 - 1) / dc->width;
  75 }
  76
  77 static int apps_startup(void)
  78 {
  79 #ifdef SIGPIPE
  80     signal(SIGPIPE, SIG_IGN);
  81 #endif
  82
  83     /* Set non-default library initialisation settings */
  84     if (!OPENSSL_init_ssl(OPENSSL_INIT_ENGINE_ALL_BUILTIN
  85                           | OPENSSL_INIT_LOAD_CONFIG, NULL))
  86         return 0;
  87
  88     setup_ui_method();
  89
  90     return 1;
  91 }
  92
  93 static void apps_shutdown(void)
  94 {
  95     destroy_ui_method();
  96     destroy_prefix_method();
  97 }
  98
  99 static char *make_config_name(void)
 100 {
 101     const char *t;
 102     size_t len;
 103     char *p;
 104
 105     if ((t = getenv("OPENSSL_CONF")) != NULL)
 106         return OPENSSL_strdup(t);
 107
 108     t = X509_get_default_cert_area();
 109     len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
 110     p = app_malloc(len, "config filename buffer");
 111     strcpy(p, t);
 112 #ifndef OPENSSL_SYS_VMS
 113     strcat(p, "/");
 114 #endif
 115     strcat(p, OPENSSL_CONF);
 116
 117     return p;
 118 }
 119
 120 int main(int argc, char *argv[])
 121 {
 122     FUNCTION f, *fp;
 123     LHASH_OF(FUNCTION) *prog = NULL;
 124     char *p, *pname;
 125     char buf[1024];
 126     const char *prompt;
 127     ARGS arg;
 128     int first, n, i, ret = 0;
 129
 130     arg.argv = NULL;
 131     arg.size = 0;
 132
 133     /* Set up some of the environment. */
 134     default_config_file = make_config_name();
 135     bio_in = dup_bio_in(FORMAT_TEXT);
 136     bio_out = dup_bio_out(FORMAT_TEXT);
 137     bio_err = dup_bio_err(FORMAT_TEXT);
 138
 139 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
 140     argv = copy_argv(&argc, argv);
 141 #elif defined(_WIN32)
 142     /*
 143      * Replace argv[] with UTF-8 encoded strings.
 144      */
 145     win32_utf8argv(&argc, &argv);
 146 #endif
 147
 148     p = getenv("OPENSSL_DEBUG_MEMORY");
 149     if (p != NULL && strcmp(p, "on") == 0)
 150         CRYPTO_set_mem_debug(1);
 151     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 152
 153     if (getenv("OPENSSL_FIPS")) {
 154         BIO_printf(bio_err, "FIPS mode not supported.\n");
 155         return 1;
 156     }
 157
 158     if (!apps_startup()) {
 159         BIO_printf(bio_err,
 160                    "FATAL: Startup failure (dev note: apps_startup() failed)\n");
 161         ERR_print_errors(bio_err);
 162         ret = 1;
 163         goto end;
 164     }
 165
 166     prog = prog_init();
 167     pname = opt_progname(argv[0]);
 168
 169     /* first check the program name */
 170     f.name = pname;
 171     fp = lh_FUNCTION_retrieve(prog, &f);
 172     if (fp != NULL) {
 173         argv[0] = pname;
 174         ret = fp->func(argc, argv);
 175         goto end;
 176     }
 177
 178     /* If there is stuff on the command line, run with that. */
 179     if (argc != 1) {
 180         argc--;
 181         argv++;
 182         ret = do_cmd(prog, argc, argv);
 183         if (ret < 0)
 184             ret = 0;
 185         goto end;
 186     }
 187
 188     /* ok, lets enter interactive mode */
 189     for (;;) {
 190         ret = 0;
 191         /* Read a line, continue reading if line ends with \ */
 192         for (p = buf, n = sizeof(buf), i = 0, first = 1; n > 0; first = 0) {
 193             prompt = first ? "OpenSSL> " : "> ";
 194             p[0] = '\0';
 195 #ifndef READLINE
 196             fputs(prompt, stdout);
 197             fflush(stdout);
 198             if (!fgets(p, n, stdin))
 199                 goto end;
 200             if (p[0] == '\0')
 201                 goto end;
 202             i = strlen(p);
 203             if (i <= 1)
 204                 break;
 205             if (p[i - 2] != '\\')
 206                 break;
 207             i -= 2;
 208             p += i;
 209             n -= i;
 210 #else
 211             {
 212                 extern char *readline(const char *);
 213                 extern void add_history(const char *cp);
 214                 char *text;
 215
 216                 text = readline(prompt);
 217                 if (text == NULL)
 218                     goto end;
 219                 i = strlen(text);
 220                 if (i == 0 || i > n)
 221                     break;
 222                 if (text[i - 1] != '\\') {
 223                     p += strlen(strcpy(p, text));
 224                     free(text);
 225                     add_history(buf);
 226                     break;
 227                 }
 228
 229                 text[i - 1] = '\0';
 230                 p += strlen(strcpy(p, text));
 231                 free(text);
 232                 n -= i;
 233             }
 234 #endif
 235         }
 236
 237         if (!chopup_args(&arg, buf)) {
 238             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 239             break;
 240         }
 241
 242         ret = do_cmd(prog, arg.argc, arg.argv);
 243         if (ret == EXIT_THE_PROGRAM) {
 244             ret = 0;
 245             goto end;
 246         }
 247         if (ret != 0)
 248             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 249         (void)BIO_flush(bio_out);
 250         (void)BIO_flush(bio_err);
 251     }
 252     ret = 1;
 253  end:
 254     OPENSSL_free(default_config_file);
 255     lh_FUNCTION_free(prog);
 256     OPENSSL_free(arg.argv);
 257     app_RAND_write();
 258
 259     BIO_free(bio_in);
 260     BIO_free_all(bio_out);
 261     apps_shutdown();
 262 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 263     if (CRYPTO_mem_leaks(bio_err) <= 0)
 264         ret = 1;
 265 #endif
 266     BIO_free(bio_err);
 267     EXIT(ret);
 268 }
 269
 270 static void list_cipher_fn(const EVP_CIPHER *c,
 271                            const char *from, const char *to, void *arg)
 272 {
 273     if (c != NULL) {
 274         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 275     } else {
 276         if (from == NULL)
 277             from = "<undefined>";
 278         if (to == NULL)
 279             to = "<undefined>";
 280         BIO_printf(arg, "%s => %s\n", from, to);
 281     }
 282 }
 283
 284 static void list_md_fn(const EVP_MD *m,
 285                        const char *from, const char *to, void *arg)
 286 {
 287     if (m != NULL) {
 288         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 289     } else {
 290         if (from == NULL)
 291             from = "<undefined>";
 292         if (to == NULL)
 293             to = "<undefined>";
 294         BIO_printf((BIO *)arg, "%s => %s\n", from, to);
 295     }
 296 }
 297
 298 static void list_mac_fn(const EVP_MAC *m,
 299                         const char *from, const char *to, void *arg)
 300 {
 301     if (m != NULL) {
 302         BIO_printf(arg, "%s\n", EVP_MAC_name(m));
 303     } else {
 304         if (from == NULL)
 305             from = "<undefined>";
 306         if (to == NULL)
 307             to = "<undefined>";
 308         BIO_printf(arg, "%s => %s\n", from, to);
 309     }
 310 }
 311
 312 static void list_missing_help(void)
 313 {
 314     const FUNCTION *fp;
 315     const OPTIONS *o;
 316
 317     for (fp = functions; fp->name != NULL; fp++) {
 318         if ((o = fp->help) != NULL) {
 319             /* If there is help, list what flags are not documented. */
 320             for ( ; o->name != NULL; o++) {
 321                 if (o->helpstr == NULL)
 322                     BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
 323             }
 324         } else if (fp->func != dgst_main) {
 325             /* If not aliased to the dgst command, */
 326             BIO_printf(bio_out, "%s *\n", fp->name);
 327         }
 328     }
 329 }
 330
 331 static void list_objects(void)
 332 {
 333     int max_nid = OBJ_new_nid(0);
 334     int i;
 335     char *oid_buf = NULL;
 336     int oid_size = 0;
 337
 338     /* Skip 0, since that's NID_undef */
 339     for (i = 1; i < max_nid; i++) {
 340         const ASN1_OBJECT *obj = OBJ_nid2obj(i);
 341         const char *sn = OBJ_nid2sn(i);
 342         const char *ln = OBJ_nid2ln(i);
 343         int n = 0;
 344
 345         /*
 346          * If one of the retrieved objects somehow generated an error,
 347          * we ignore it.  The check for NID_undef below will detect the
 348          * error and simply skip to the next NID.
 349          */
 350         ERR_clear_error();
 351
 352         if (OBJ_obj2nid(obj) == NID_undef)
 353             continue;
 354
 355         if ((n = OBJ_obj2txt(NULL, 0, obj, 1)) == 0) {
 356             BIO_printf(bio_out, "# None-OID object: %s, %s\n", sn, ln);
 357             continue;
 358         }
 359         if (n < 0)
 360             break;               /* Error */
 361
 362         if (n > oid_size) {
 363             oid_buf = OPENSSL_realloc(oid_buf, n + 1);
 364             if (oid_buf == NULL) {
 365                 BIO_printf(bio_err, "ERROR: Memory allocation\n");
 366                 break;           /* Error */
 367             }
 368             oid_size = n + 1;
 369         }
 370         if (OBJ_obj2txt(oid_buf, oid_size, obj, 1) < 0)
 371             break;               /* Error */
 372         if (ln == NULL || strcmp(sn, ln) == 0)
 373             BIO_printf(bio_out, "%s = %s\n", sn, oid_buf);
 374         else
 375             BIO_printf(bio_out, "%s = %s, %s\n", sn, ln, oid_buf);
 376     }
 377
 378     OPENSSL_free(oid_buf);
 379 }
 380
 381 static void list_options_for_command(const char *command)
 382 {
 383     const FUNCTION *fp;
 384     const OPTIONS *o;
 385
 386     for (fp = functions; fp->name != NULL; fp++)
 387         if (strcmp(fp->name, command) == 0)
 388             break;
 389     if (fp->name == NULL) {
 390         BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 391                 command);
 392         return;
 393     }
 394
 395     if ((o = fp->help) == NULL)
 396         return;
 397
 398     for ( ; o->name != NULL; o++) {
 399         if (o->name == OPT_HELP_STR
 400                 || o->name == OPT_MORE_STR
 401                 || o->name[0] == '\0')
 402             continue;
 403         BIO_printf(bio_out, "%s %c\n", o->name, o->valtype);
 404     }
 405 }
 406
 407
 408 /* Unified enum for help and list commands. */
 409 typedef enum HELPLIST_CHOICE {
 410     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ONE,
 411     OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_MAC_ALGORITHMS, OPT_OPTIONS,
 412     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 413     OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_DISABLED, OPT_MISSING_HELP,
 414     OPT_OBJECTS
 415 } HELPLIST_CHOICE;
 416
 417 const OPTIONS list_options[] = {
 418     {"help", OPT_HELP, '-', "Display this summary"},
 419     {"1", OPT_ONE, '-', "List in one column"},
 420     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 421     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 422      "List of message digest commands"},
 423     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 424      "List of message digest algorithms"},
 425     {"mac-algorithms", OPT_MAC_ALGORITHMS, '-',
 426      "List of message authentication code algorithms"},
 427     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 428     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 429      "List of cipher algorithms"},
 430     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 431      "List of public key algorithms"},
 432     {"public-key-methods", OPT_PK_METHOD, '-',
 433      "List of public key methods"},
 434     {"disabled", OPT_DISABLED, '-',
 435      "List of disabled features"},
 436     {"missing-help", OPT_MISSING_HELP, '-',
 437      "List missing detailed help strings"},
 438     {"options", OPT_OPTIONS, 's',
 439      "List options for specified command"},
 440     {"objects", OPT_OBJECTS, '-',
 441      "List built in objects (OID<->name mappings)"},
 442     {NULL}
 443 };
 444
 445 int list_main(int argc, char **argv)
 446 {
 447     char *prog;
 448     HELPLIST_CHOICE o;
 449     int one = 0, done = 0;
 450
 451     prog = opt_init(argc, argv, list_options);
 452     while ((o = opt_next()) != OPT_EOF) {
 453         switch (o) {
 454         case OPT_EOF:  /* Never hit, but suppresses warning */
 455         case OPT_ERR:
 456 opthelp:
 457             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 458             return 1;
 459         case OPT_HELP:
 460             opt_help(list_options);
 461             break;
 462         case OPT_ONE:
 463             one = 1;
 464             break;
 465         case OPT_COMMANDS:
 466             list_type(FT_general, one);
 467             break;
 468         case OPT_DIGEST_COMMANDS:
 469             list_type(FT_md, one);
 470             break;
 471         case OPT_DIGEST_ALGORITHMS:
 472             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 473             break;
 474         case OPT_MAC_ALGORITHMS:
 475             EVP_MAC_do_all_sorted(list_mac_fn, bio_out);
 476             break;
 477         case OPT_CIPHER_COMMANDS:
 478             list_type(FT_cipher, one);
 479             break;
 480         case OPT_CIPHER_ALGORITHMS:
 481             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 482             break;
 483         case OPT_PK_ALGORITHMS:
 484             list_pkey();
 485             break;
 486         case OPT_PK_METHOD:
 487             list_pkey_meth();
 488             break;
 489         case OPT_DISABLED:
 490             list_disabled();
 491             break;
 492         case OPT_MISSING_HELP:
 493             list_missing_help();
 494             break;
 495         case OPT_OBJECTS:
 496             list_objects();
 497             break;
 498         case OPT_OPTIONS:
 499             list_options_for_command(opt_arg());
 500             break;
 501         }
 502         done = 1;
 503     }
 504     if (opt_num_rest() != 0) {
 505         BIO_printf(bio_err, "Extra arguments given.\n");
 506         goto opthelp;
 507     }
 508
 509     if (!done)
 510         goto opthelp;
 511
 512     return 0;
 513 }
 514
 515 typedef enum HELP_CHOICE {
 516     OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP
 517 } HELP_CHOICE;
 518
 519 const OPTIONS help_options[] = {
 520     {OPT_HELP_STR, 1, '-', "Usage: help [options]\n"},
 521     {OPT_HELP_STR, 1, '-', "       help [command]\n"},
 522     {"help", OPT_hHELP, '-', "Display this summary"},
 523     {NULL}
 524 };
 525
 526
 527 int help_main(int argc, char **argv)
 528 {
 529     FUNCTION *fp;
 530     int i, nl;
 531     FUNC_TYPE tp;
 532     char *prog;
 533     HELP_CHOICE o;
 534     DISPLAY_COLUMNS dc;
 535
 536     prog = opt_init(argc, argv, help_options);
 537     while ((o = opt_next()) != OPT_hEOF) {
 538         switch (o) {
 539         case OPT_hERR:
 540         case OPT_hEOF:
 541             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 542             return 1;
 543         case OPT_hHELP:
 544             opt_help(help_options);
 545             return 0;
 546         }
 547     }
 548
 549     if (opt_num_rest() == 1) {
 550         char *new_argv[3];
 551
 552         new_argv[0] = opt_rest()[0];
 553         new_argv[1] = "--help";
 554         new_argv[2] = NULL;
 555         return do_cmd(prog_init(), 2, new_argv);
 556     }
 557     if (opt_num_rest() != 0) {
 558         BIO_printf(bio_err, "Usage: %s\n", prog);
 559         return 1;
 560     }
 561
 562     calculate_columns(&dc);
 563     BIO_printf(bio_err, "Standard commands");
 564     i = 0;
 565     tp = FT_none;
 566     for (fp = functions; fp->name != NULL; fp++) {
 567         nl = 0;
 568         if (i++ % dc.columns == 0) {
 569             BIO_printf(bio_err, "\n");
 570             nl = 1;
 571         }
 572         if (fp->type != tp) {
 573             tp = fp->type;
 574             if (!nl)
 575                 BIO_printf(bio_err, "\n");
 576             if (tp == FT_md) {
 577                 i = 1;
 578                 BIO_printf(bio_err,
 579                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 580             } else if (tp == FT_cipher) {
 581                 i = 1;
 582                 BIO_printf(bio_err,
 583                            "\nCipher commands (see the `enc' command for more details)\n");
 584             }
 585         }
 586         BIO_printf(bio_err, "%-*s", dc.width, fp->name);
 587     }
 588     BIO_printf(bio_err, "\n\n");
 589     return 0;
 590 }
 591
 592 static void list_type(FUNC_TYPE ft, int one)
 593 {
 594     FUNCTION *fp;
 595     int i = 0;
 596     DISPLAY_COLUMNS dc = {0};
 597
 598     if (!one)
 599         calculate_columns(&dc);
 600
 601     for (fp = functions; fp->name != NULL; fp++) {
 602         if (fp->type != ft)
 603             continue;
 604         if (one) {
 605             BIO_printf(bio_out, "%s\n", fp->name);
 606         } else {
 607             if (i % dc.columns == 0 && i > 0)
 608                 BIO_printf(bio_out, "\n");
 609             BIO_printf(bio_out, "%-*s", dc.width, fp->name);
 610             i++;
 611         }
 612     }
 613     if (!one)
 614         BIO_printf(bio_out, "\n\n");
 615 }
 616
 617 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 618 {
 619     FUNCTION f, *fp;
 620
 621     if (argc <= 0 || argv[0] == NULL)
 622         return 0;
 623     f.name = argv[0];
 624     fp = lh_FUNCTION_retrieve(prog, &f);
 625     if (fp == NULL) {
 626         if (EVP_get_digestbyname(argv[0])) {
 627             f.type = FT_md;
 628             f.func = dgst_main;
 629             fp = &f;
 630         } else if (EVP_get_cipherbyname(argv[0])) {
 631             f.type = FT_cipher;
 632             f.func = enc_main;
 633             fp = &f;
 634         }
 635     }
 636     if (fp != NULL) {
 637         return fp->func(argc, argv);
 638     }
 639     if ((strncmp(argv[0], "no-", 3)) == 0) {
 640         /*
 641          * User is asking if foo is unsupported, by trying to "run" the
 642          * no-foo command.  Strange.
 643          */
 644         f.name = argv[0] + 3;
 645         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 646             BIO_printf(bio_out, "%s\n", argv[0]);
 647             return 0;
 648         }
 649         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 650         return 1;
 651     }
 652     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 653         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 654         /* Special value to mean "exit the program. */
 655         return EXIT_THE_PROGRAM;
 656
 657     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 658                argv[0]);
 659     return 1;
 660 }
 661
 662 static void list_pkey(void)
 663 {
 664     int i;
 665
 666     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 667         const EVP_PKEY_ASN1_METHOD *ameth;
 668         int pkey_id, pkey_base_id, pkey_flags;
 669         const char *pinfo, *pem_str;
 670         ameth = EVP_PKEY_asn1_get0(i);
 671         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 672                                 &pinfo, &pem_str, ameth);
 673         if (pkey_flags & ASN1_PKEY_ALIAS) {
 674             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 675             BIO_printf(bio_out, "\tAlias for: %s\n",
 676                        OBJ_nid2ln(pkey_base_id));
 677         } else {
 678             BIO_printf(bio_out, "Name: %s\n", pinfo);
 679             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 680                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 681                        "External" : "Builtin");
 682             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 683             if (pem_str == NULL)
 684                 pem_str = "(none)";
 685             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 686         }
 687
 688     }
 689 }
 690
 691 static void list_pkey_meth(void)
 692 {
 693     size_t i;
 694     size_t meth_count = EVP_PKEY_meth_get_count();
 695
 696     for (i = 0; i < meth_count; i++) {
 697         const EVP_PKEY_METHOD *pmeth = EVP_PKEY_meth_get0(i);
 698         int pkey_id, pkey_flags;
 699
 700         EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);
 701         BIO_printf(bio_out, "%s\n", OBJ_nid2ln(pkey_id));
 702         BIO_printf(bio_out, "\tType: %s Algorithm\n",
 703                    pkey_flags & ASN1_PKEY_DYNAMIC ?  "External" : "Builtin");
 704     }
 705 }
 706
 707 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 708 {
 709     return strncmp(a->name, b->name, 8);
 710 }
 711
 712 static unsigned long function_hash(const FUNCTION * a)
 713 {
 714     return OPENSSL_LH_strhash(a->name);
 715 }
 716
 717 static int SortFnByName(const void *_f1, const void *_f2)
 718 {
 719     const FUNCTION *f1 = _f1;
 720     const FUNCTION *f2 = _f2;
 721
 722     if (f1->type != f2->type)
 723         return f1->type - f2->type;
 724     return strcmp(f1->name, f2->name);
 725 }
 726
 727 static void list_disabled(void)
 728 {
 729     BIO_puts(bio_out, "Disabled algorithms:\n");
 730 #ifdef OPENSSL_NO_ARIA
 731     BIO_puts(bio_out, "ARIA\n");
 732 #endif
 733 #ifdef OPENSSL_NO_BF
 734     BIO_puts(bio_out, "BF\n");
 735 #endif
 736 #ifdef OPENSSL_NO_BLAKE2
 737     BIO_puts(bio_out, "BLAKE2\n");
 738 #endif
 739 #ifdef OPENSSL_NO_CAMELLIA
 740     BIO_puts(bio_out, "CAMELLIA\n");
 741 #endif
 742 #ifdef OPENSSL_NO_CAST
 743     BIO_puts(bio_out, "CAST\n");
 744 #endif
 745 #ifdef OPENSSL_NO_CMAC
 746     BIO_puts(bio_out, "CMAC\n");
 747 #endif
 748 #ifdef OPENSSL_NO_CMS
 749     BIO_puts(bio_out, "CMS\n");
 750 #endif
 751 #ifdef OPENSSL_NO_COMP
 752     BIO_puts(bio_out, "COMP\n");
 753 #endif
 754 #ifdef OPENSSL_NO_DES
 755     BIO_puts(bio_out, "DES\n");
 756 #endif
 757 #ifdef OPENSSL_NO_DGRAM
 758     BIO_puts(bio_out, "DGRAM\n");
 759 #endif
 760 #ifdef OPENSSL_NO_DH
 761     BIO_puts(bio_out, "DH\n");
 762 #endif
 763 #ifdef OPENSSL_NO_DSA
 764     BIO_puts(bio_out, "DSA\n");
 765 #endif
 766 #if defined(OPENSSL_NO_DTLS)
 767     BIO_puts(bio_out, "DTLS\n");
 768 #endif
 769 #if defined(OPENSSL_NO_DTLS1)
 770     BIO_puts(bio_out, "DTLS1\n");
 771 #endif
 772 #if defined(OPENSSL_NO_DTLS1_2)
 773     BIO_puts(bio_out, "DTLS1_2\n");
 774 #endif
 775 #ifdef OPENSSL_NO_EC
 776     BIO_puts(bio_out, "EC\n");
 777 #endif
 778 #ifdef OPENSSL_NO_EC2M
 779     BIO_puts(bio_out, "EC2M\n");
 780 #endif
 781 #ifdef OPENSSL_NO_ENGINE
 782     BIO_puts(bio_out, "ENGINE\n");
 783 #endif
 784 #ifdef OPENSSL_NO_GOST
 785     BIO_puts(bio_out, "GOST\n");
 786 #endif
 787 #ifdef OPENSSL_NO_HEARTBEATS
 788     BIO_puts(bio_out, "HEARTBEATS\n");
 789 #endif
 790 #ifdef OPENSSL_NO_IDEA
 791     BIO_puts(bio_out, "IDEA\n");
 792 #endif
 793 #ifdef OPENSSL_NO_MD2
 794     BIO_puts(bio_out, "MD2\n");
 795 #endif
 796 #ifdef OPENSSL_NO_MD4
 797     BIO_puts(bio_out, "MD4\n");
 798 #endif
 799 #ifdef OPENSSL_NO_MD5
 800     BIO_puts(bio_out, "MD5\n");
 801 #endif
 802 #ifdef OPENSSL_NO_MDC2
 803     BIO_puts(bio_out, "MDC2\n");
 804 #endif
 805 #ifdef OPENSSL_NO_OCB
 806     BIO_puts(bio_out, "OCB\n");
 807 #endif
 808 #ifdef OPENSSL_NO_OCSP
 809     BIO_puts(bio_out, "OCSP\n");
 810 #endif
 811 #ifdef OPENSSL_NO_PSK
 812     BIO_puts(bio_out, "PSK\n");
 813 #endif
 814 #ifdef OPENSSL_NO_RC2
 815     BIO_puts(bio_out, "RC2\n");
 816 #endif
 817 #ifdef OPENSSL_NO_RC4
 818     BIO_puts(bio_out, "RC4\n");
 819 #endif
 820 #ifdef OPENSSL_NO_RC5
 821     BIO_puts(bio_out, "RC5\n");
 822 #endif
 823 #ifdef OPENSSL_NO_RMD160
 824     BIO_puts(bio_out, "RMD160\n");
 825 #endif
 826 #ifdef OPENSSL_NO_RSA
 827     BIO_puts(bio_out, "RSA\n");
 828 #endif
 829 #ifdef OPENSSL_NO_SCRYPT
 830     BIO_puts(bio_out, "SCRYPT\n");
 831 #endif
 832 #ifdef OPENSSL_NO_SCTP
 833     BIO_puts(bio_out, "SCTP\n");
 834 #endif
 835 #ifdef OPENSSL_NO_SEED
 836     BIO_puts(bio_out, "SEED\n");
 837 #endif
 838 #ifdef OPENSSL_NO_SM2
 839     BIO_puts(bio_out, "SM2\n");
 840 #endif
 841 #ifdef OPENSSL_NO_SM3
 842     BIO_puts(bio_out, "SM3\n");
 843 #endif
 844 #ifdef OPENSSL_NO_SM4
 845     BIO_puts(bio_out, "SM4\n");
 846 #endif
 847 #ifdef OPENSSL_NO_SOCK
 848     BIO_puts(bio_out, "SOCK\n");
 849 #endif
 850 #ifdef OPENSSL_NO_SRP
 851     BIO_puts(bio_out, "SRP\n");
 852 #endif
 853 #ifdef OPENSSL_NO_SRTP
 854     BIO_puts(bio_out, "SRTP\n");
 855 #endif
 856 #ifdef OPENSSL_NO_SSL3
 857     BIO_puts(bio_out, "SSL3\n");
 858 #endif
 859 #ifdef OPENSSL_NO_TLS1
 860     BIO_puts(bio_out, "TLS1\n");
 861 #endif
 862 #ifdef OPENSSL_NO_TLS1_1
 863     BIO_puts(bio_out, "TLS1_1\n");
 864 #endif
 865 #ifdef OPENSSL_NO_TLS1_2
 866     BIO_puts(bio_out, "TLS1_2\n");
 867 #endif
 868 #ifdef OPENSSL_NO_WHIRLPOOL
 869     BIO_puts(bio_out, "WHIRLPOOL\n");
 870 #endif
 871 #ifndef ZLIB
 872     BIO_puts(bio_out, "ZLIB\n");
 873 #endif
 874 }
 875
 876 static LHASH_OF(FUNCTION) *prog_init(void)
 877 {
 878     static LHASH_OF(FUNCTION) *ret = NULL;
 879     static int prog_inited = 0;
 880     FUNCTION *f;
 881     size_t i;
 882
 883     if (prog_inited)
 884         return ret;
 885
 886     prog_inited = 1;
 887
 888     /* Sort alphabetically within category. For nicer help displays. */
 889     for (i = 0, f = functions; f->name != NULL; ++f, ++i)
 890         ;
 891     qsort(functions, i, sizeof(*functions), SortFnByName);
 892
 893     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
 894         return NULL;
 895
 896     for (f = functions; f->name != NULL; f++)
 897         (void)lh_FUNCTION_insert(ret, f);
 898     return ret;
 899 }