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  46  * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with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 **copied_argv = NULL;
 125     char *p, *pname;
 126     char buf[1024];
 127     const char *prompt;
 128     ARGS arg;
 129     int first, n, i, ret = 0;
 130
 131     arg.argv = NULL;
 132     arg.size = 0;
 133
 134     /* Set up some of the environment. */
 135     default_config_file = make_config_name();
 136     bio_in = dup_bio_in(FORMAT_TEXT);
 137     bio_out = dup_bio_out(FORMAT_TEXT);
 138     bio_err = dup_bio_err(FORMAT_TEXT);
 139
 140 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
 141     copied_argv = argv = copy_argv(&argc, argv);
 142 #elif defined(_WIN32)
 143     /*
 144      * Replace argv[] with UTF-8 encoded strings.
 145      */
 146     win32_utf8argv(&argc, &argv);
 147 #endif
 148
 149     p = getenv("OPENSSL_DEBUG_MEMORY");
 150     if (p != NULL && strcmp(p, "on") == 0)
 151         CRYPTO_set_mem_debug(1);
 152     CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 153
 154     if (getenv("OPENSSL_FIPS")) {
 155         BIO_printf(bio_err, "FIPS mode not supported.\n");
 156         return 1;
 157     }
 158
 159     if (!apps_startup()) {
 160         BIO_printf(bio_err,
 161                    "FATAL: Startup failure (dev note: apps_startup() failed)\n");
 162         ERR_print_errors(bio_err);
 163         ret = 1;
 164         goto end;
 165     }
 166
 167     prog = prog_init();
 168     pname = opt_progname(argv[0]);
 169
 170     /* first check the program name */
 171     f.name = pname;
 172     fp = lh_FUNCTION_retrieve(prog, &f);
 173     if (fp != NULL) {
 174         argv[0] = pname;
 175         ret = fp->func(argc, argv);
 176         goto end;
 177     }
 178
 179     /* If there is stuff on the command line, run with that. */
 180     if (argc != 1) {
 181         argc--;
 182         argv++;
 183         ret = do_cmd(prog, argc, argv);
 184         if (ret < 0)
 185             ret = 0;
 186         goto end;
 187     }
 188
 189     /* ok, lets enter interactive mode */
 190     for (;;) {
 191         ret = 0;
 192         /* Read a line, continue reading if line ends with \ */
 193         for (p = buf, n = sizeof(buf), i = 0, first = 1; n > 0; first = 0) {
 194             prompt = first ? "OpenSSL> " : "> ";
 195             p[0] = '\0';
 196 #ifndef READLINE
 197             fputs(prompt, stdout);
 198             fflush(stdout);
 199             if (!fgets(p, n, stdin))
 200                 goto end;
 201             if (p[0] == '\0')
 202                 goto end;
 203             i = strlen(p);
 204             if (i <= 1)
 205                 break;
 206             if (p[i - 2] != '\\')
 207                 break;
 208             i -= 2;
 209             p += i;
 210             n -= i;
 211 #else
 212             {
 213                 extern char *readline(const char *);
 214                 extern void add_history(const char *cp);
 215                 char *text;
 216
 217                 text = readline(prompt);
 218                 if (text == NULL)
 219                     goto end;
 220                 i = strlen(text);
 221                 if (i == 0 || i > n)
 222                     break;
 223                 if (text[i - 1] != '\\') {
 224                     p += strlen(strcpy(p, text));
 225                     free(text);
 226                     add_history(buf);
 227                     break;
 228                 }
 229
 230                 text[i - 1] = '\0';
 231                 p += strlen(strcpy(p, text));
 232                 free(text);
 233                 n -= i;
 234             }
 235 #endif
 236         }
 237
 238         if (!chopup_args(&arg, buf)) {
 239             BIO_printf(bio_err, "Can't parse (no memory?)\n");
 240             break;
 241         }
 242
 243         ret = do_cmd(prog, arg.argc, arg.argv);
 244         if (ret == EXIT_THE_PROGRAM) {
 245             ret = 0;
 246             goto end;
 247         }
 248         if (ret != 0)
 249             BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
 250         (void)BIO_flush(bio_out);
 251         (void)BIO_flush(bio_err);
 252     }
 253     ret = 1;
 254  end:
 255     OPENSSL_free(copied_argv);
 256     OPENSSL_free(default_config_file);
 257     lh_FUNCTION_free(prog);
 258     OPENSSL_free(arg.argv);
 259     app_RAND_write();
 260
 261     BIO_free(bio_in);
 262     BIO_free_all(bio_out);
 263     apps_shutdown();
 264 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 265     if (CRYPTO_mem_leaks(bio_err) <= 0)
 266         ret = 1;
 267 #endif
 268     BIO_free(bio_err);
 269     EXIT(ret);
 270 }
 271
 272 static void list_cipher_fn(const EVP_CIPHER *c,
 273                            const char *from, const char *to, void *arg)
 274 {
 275     if (c != NULL) {
 276         BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
 277     } else {
 278         if (from == NULL)
 279             from = "<undefined>";
 280         if (to == NULL)
 281             to = "<undefined>";
 282         BIO_printf(arg, "%s => %s\n", from, to);
 283     }
 284 }
 285
 286 static void list_md_fn(const EVP_MD *m,
 287                        const char *from, const char *to, void *arg)
 288 {
 289     if (m != NULL) {
 290         BIO_printf(arg, "%s\n", EVP_MD_name(m));
 291     } else {
 292         if (from == NULL)
 293             from = "<undefined>";
 294         if (to == NULL)
 295             to = "<undefined>";
 296         BIO_printf((BIO *)arg, "%s => %s\n", from, to);
 297     }
 298 }
 299
 300 static void list_mac_fn(const EVP_MAC *m,
 301                         const char *from, const char *to, void *arg)
 302 {
 303     if (m != NULL) {
 304         BIO_printf(arg, "%s\n", EVP_MAC_name(m));
 305     } else {
 306         if (from == NULL)
 307             from = "<undefined>";
 308         if (to == NULL)
 309             to = "<undefined>";
 310         BIO_printf(arg, "%s => %s\n", from, to);
 311     }
 312 }
 313
 314 static void list_missing_help(void)
 315 {
 316     const FUNCTION *fp;
 317     const OPTIONS *o;
 318
 319     for (fp = functions; fp->name != NULL; fp++) {
 320         if ((o = fp->help) != NULL) {
 321             /* If there is help, list what flags are not documented. */
 322             for ( ; o->name != NULL; o++) {
 323                 if (o->helpstr == NULL)
 324                     BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
 325             }
 326         } else if (fp->func != dgst_main) {
 327             /* If not aliased to the dgst command, */
 328             BIO_printf(bio_out, "%s *\n", fp->name);
 329         }
 330     }
 331 }
 332
 333 static void list_objects(void)
 334 {
 335     int max_nid = OBJ_new_nid(0);
 336     int i;
 337     char *oid_buf = NULL;
 338     int oid_size = 0;
 339
 340     /* Skip 0, since that's NID_undef */
 341     for (i = 1; i < max_nid; i++) {
 342         const ASN1_OBJECT *obj = OBJ_nid2obj(i);
 343         const char *sn = OBJ_nid2sn(i);
 344         const char *ln = OBJ_nid2ln(i);
 345         int n = 0;
 346
 347         /*
 348          * If one of the retrieved objects somehow generated an error,
 349          * we ignore it.  The check for NID_undef below will detect the
 350          * error and simply skip to the next NID.
 351          */
 352         ERR_clear_error();
 353
 354         if (OBJ_obj2nid(obj) == NID_undef)
 355             continue;
 356
 357         if ((n = OBJ_obj2txt(NULL, 0, obj, 1)) == 0) {
 358             BIO_printf(bio_out, "# None-OID object: %s, %s\n", sn, ln);
 359             continue;
 360         }
 361         if (n < 0)
 362             break;               /* Error */
 363
 364         if (n > oid_size) {
 365             oid_buf = OPENSSL_realloc(oid_buf, n + 1);
 366             if (oid_buf == NULL) {
 367                 BIO_printf(bio_err, "ERROR: Memory allocation\n");
 368                 break;           /* Error */
 369             }
 370             oid_size = n + 1;
 371         }
 372         if (OBJ_obj2txt(oid_buf, oid_size, obj, 1) < 0)
 373             break;               /* Error */
 374         if (ln == NULL || strcmp(sn, ln) == 0)
 375             BIO_printf(bio_out, "%s = %s\n", sn, oid_buf);
 376         else
 377             BIO_printf(bio_out, "%s = %s, %s\n", sn, ln, oid_buf);
 378     }
 379
 380     OPENSSL_free(oid_buf);
 381 }
 382
 383 static void list_options_for_command(const char *command)
 384 {
 385     const FUNCTION *fp;
 386     const OPTIONS *o;
 387
 388     for (fp = functions; fp->name != NULL; fp++)
 389         if (strcmp(fp->name, command) == 0)
 390             break;
 391     if (fp->name == NULL) {
 392         BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 393                 command);
 394         return;
 395     }
 396
 397     if ((o = fp->help) == NULL)
 398         return;
 399
 400     for ( ; o->name != NULL; o++) {
 401         if (o->name == OPT_HELP_STR
 402                 || o->name == OPT_MORE_STR
 403                 || o->name[0] == '\0')
 404             continue;
 405         BIO_printf(bio_out, "%s %c\n", o->name, o->valtype);
 406     }
 407 }
 408
 409
 410 /* Unified enum for help and list commands. */
 411 typedef enum HELPLIST_CHOICE {
 412     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ONE,
 413     OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_MAC_ALGORITHMS, OPT_OPTIONS,
 414     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 415     OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_DISABLED, OPT_MISSING_HELP,
 416     OPT_OBJECTS
 417 } HELPLIST_CHOICE;
 418
 419 const OPTIONS list_options[] = {
 420     {"help", OPT_HELP, '-', "Display this summary"},
 421     {"1", OPT_ONE, '-', "List in one column"},
 422     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 423     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 424      "List of message digest commands"},
 425     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 426      "List of message digest algorithms"},
 427     {"mac-algorithms", OPT_MAC_ALGORITHMS, '-',
 428      "List of message authentication code algorithms"},
 429     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 430     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 431      "List of cipher algorithms"},
 432     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 433      "List of public key algorithms"},
 434     {"public-key-methods", OPT_PK_METHOD, '-',
 435      "List of public key methods"},
 436     {"disabled", OPT_DISABLED, '-',
 437      "List of disabled features"},
 438     {"missing-help", OPT_MISSING_HELP, '-',
 439      "List missing detailed help strings"},
 440     {"options", OPT_OPTIONS, 's',
 441      "List options for specified command"},
 442     {"objects", OPT_OBJECTS, '-',
 443      "List built in objects (OID<->name mappings)"},
 444     {NULL}
 445 };
 446
 447 int list_main(int argc, char **argv)
 448 {
 449     char *prog;
 450     HELPLIST_CHOICE o;
 451     int one = 0, done = 0;
 452
 453     prog = opt_init(argc, argv, list_options);
 454     while ((o = opt_next()) != OPT_EOF) {
 455         switch (o) {
 456         case OPT_EOF:  /* Never hit, but suppresses warning */
 457         case OPT_ERR:
 458 opthelp:
 459             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 460             return 1;
 461         case OPT_HELP:
 462             opt_help(list_options);
 463             break;
 464         case OPT_ONE:
 465             one = 1;
 466             break;
 467         case OPT_COMMANDS:
 468             list_type(FT_general, one);
 469             break;
 470         case OPT_DIGEST_COMMANDS:
 471             list_type(FT_md, one);
 472             break;
 473         case OPT_DIGEST_ALGORITHMS:
 474             EVP_MD_do_all_sorted(list_md_fn, bio_out);
 475             break;
 476         case OPT_MAC_ALGORITHMS:
 477             EVP_MAC_do_all_sorted(list_mac_fn, bio_out);
 478             break;
 479         case OPT_CIPHER_COMMANDS:
 480             list_type(FT_cipher, one);
 481             break;
 482         case OPT_CIPHER_ALGORITHMS:
 483             EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
 484             break;
 485         case OPT_PK_ALGORITHMS:
 486             list_pkey();
 487             break;
 488         case OPT_PK_METHOD:
 489             list_pkey_meth();
 490             break;
 491         case OPT_DISABLED:
 492             list_disabled();
 493             break;
 494         case OPT_MISSING_HELP:
 495             list_missing_help();
 496             break;
 497         case OPT_OBJECTS:
 498             list_objects();
 499             break;
 500         case OPT_OPTIONS:
 501             list_options_for_command(opt_arg());
 502             break;
 503         }
 504         done = 1;
 505     }
 506     if (opt_num_rest() != 0) {
 507         BIO_printf(bio_err, "Extra arguments given.\n");
 508         goto opthelp;
 509     }
 510
 511     if (!done)
 512         goto opthelp;
 513
 514     return 0;
 515 }
 516
 517 typedef enum HELP_CHOICE {
 518     OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP
 519 } HELP_CHOICE;
 520
 521 const OPTIONS help_options[] = {
 522     {OPT_HELP_STR, 1, '-', "Usage: help [options]\n"},
 523     {OPT_HELP_STR, 1, '-', "       help [command]\n"},
 524     {"help", OPT_hHELP, '-', "Display this summary"},
 525     {NULL}
 526 };
 527
 528
 529 int help_main(int argc, char **argv)
 530 {
 531     FUNCTION *fp;
 532     int i, nl;
 533     FUNC_TYPE tp;
 534     char *prog;
 535     HELP_CHOICE o;
 536     DISPLAY_COLUMNS dc;
 537
 538     prog = opt_init(argc, argv, help_options);
 539     while ((o = opt_next()) != OPT_hEOF) {
 540         switch (o) {
 541         case OPT_hERR:
 542         case OPT_hEOF:
 543             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 544             return 1;
 545         case OPT_hHELP:
 546             opt_help(help_options);
 547             return 0;
 548         }
 549     }
 550
 551     if (opt_num_rest() == 1) {
 552         char *new_argv[3];
 553
 554         new_argv[0] = opt_rest()[0];
 555         new_argv[1] = "--help";
 556         new_argv[2] = NULL;
 557         return do_cmd(prog_init(), 2, new_argv);
 558     }
 559     if (opt_num_rest() != 0) {
 560         BIO_printf(bio_err, "Usage: %s\n", prog);
 561         return 1;
 562     }
 563
 564     calculate_columns(&dc);
 565     BIO_printf(bio_err, "Standard commands");
 566     i = 0;
 567     tp = FT_none;
 568     for (fp = functions; fp->name != NULL; fp++) {
 569         nl = 0;
 570         if (i++ % dc.columns == 0) {
 571             BIO_printf(bio_err, "\n");
 572             nl = 1;
 573         }
 574         if (fp->type != tp) {
 575             tp = fp->type;
 576             if (!nl)
 577                 BIO_printf(bio_err, "\n");
 578             if (tp == FT_md) {
 579                 i = 1;
 580                 BIO_printf(bio_err,
 581                            "\nMessage Digest commands (see the `dgst' command for more details)\n");
 582             } else if (tp == FT_cipher) {
 583                 i = 1;
 584                 BIO_printf(bio_err,
 585                            "\nCipher commands (see the `enc' command for more details)\n");
 586             }
 587         }
 588         BIO_printf(bio_err, "%-*s", dc.width, fp->name);
 589     }
 590     BIO_printf(bio_err, "\n\n");
 591     return 0;
 592 }
 593
 594 static void list_type(FUNC_TYPE ft, int one)
 595 {
 596     FUNCTION *fp;
 597     int i = 0;
 598     DISPLAY_COLUMNS dc = {0};
 599
 600     if (!one)
 601         calculate_columns(&dc);
 602
 603     for (fp = functions; fp->name != NULL; fp++) {
 604         if (fp->type != ft)
 605             continue;
 606         if (one) {
 607             BIO_printf(bio_out, "%s\n", fp->name);
 608         } else {
 609             if (i % dc.columns == 0 && i > 0)
 610                 BIO_printf(bio_out, "\n");
 611             BIO_printf(bio_out, "%-*s", dc.width, fp->name);
 612             i++;
 613         }
 614     }
 615     if (!one)
 616         BIO_printf(bio_out, "\n\n");
 617 }
 618
 619 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
 620 {
 621     FUNCTION f, *fp;
 622
 623     if (argc <= 0 || argv[0] == NULL)
 624         return 0;
 625     f.name = argv[0];
 626     fp = lh_FUNCTION_retrieve(prog, &f);
 627     if (fp == NULL) {
 628         if (EVP_get_digestbyname(argv[0])) {
 629             f.type = FT_md;
 630             f.func = dgst_main;
 631             fp = &f;
 632         } else if (EVP_get_cipherbyname(argv[0])) {
 633             f.type = FT_cipher;
 634             f.func = enc_main;
 635             fp = &f;
 636         }
 637     }
 638     if (fp != NULL) {
 639         return fp->func(argc, argv);
 640     }
 641     if ((strncmp(argv[0], "no-", 3)) == 0) {
 642         /*
 643          * User is asking if foo is unsupported, by trying to "run" the
 644          * no-foo command.  Strange.
 645          */
 646         f.name = argv[0] + 3;
 647         if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
 648             BIO_printf(bio_out, "%s\n", argv[0]);
 649             return 0;
 650         }
 651         BIO_printf(bio_out, "%s\n", argv[0] + 3);
 652         return 1;
 653     }
 654     if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
 655         strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
 656         /* Special value to mean "exit the program. */
 657         return EXIT_THE_PROGRAM;
 658
 659     BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 660                argv[0]);
 661     return 1;
 662 }
 663
 664 static void list_pkey(void)
 665 {
 666     int i;
 667
 668     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 669         const EVP_PKEY_ASN1_METHOD *ameth;
 670         int pkey_id, pkey_base_id, pkey_flags;
 671         const char *pinfo, *pem_str;
 672         ameth = EVP_PKEY_asn1_get0(i);
 673         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 674                                 &pinfo, &pem_str, ameth);
 675         if (pkey_flags & ASN1_PKEY_ALIAS) {
 676             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 677             BIO_printf(bio_out, "\tAlias for: %s\n",
 678                        OBJ_nid2ln(pkey_base_id));
 679         } else {
 680             BIO_printf(bio_out, "Name: %s\n", pinfo);
 681             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 682                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 683                        "External" : "Builtin");
 684             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 685             if (pem_str == NULL)
 686                 pem_str = "(none)";
 687             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 688         }
 689
 690     }
 691 }
 692
 693 static void list_pkey_meth(void)
 694 {
 695     size_t i;
 696     size_t meth_count = EVP_PKEY_meth_get_count();
 697
 698     for (i = 0; i < meth_count; i++) {
 699         const EVP_PKEY_METHOD *pmeth = EVP_PKEY_meth_get0(i);
 700         int pkey_id, pkey_flags;
 701
 702         EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);
 703         BIO_printf(bio_out, "%s\n", OBJ_nid2ln(pkey_id));
 704         BIO_printf(bio_out, "\tType: %s Algorithm\n",
 705                    pkey_flags & ASN1_PKEY_DYNAMIC ?  "External" : "Builtin");
 706     }
 707 }
 708
 709 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
 710 {
 711     return strncmp(a->name, b->name, 8);
 712 }
 713
 714 static unsigned long function_hash(const FUNCTION * a)
 715 {
 716     return OPENSSL_LH_strhash(a->name);
 717 }
 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_ARIA
 733     BIO_puts(bio_out, "ARIA\n");
 734 #endif
 735 #ifdef OPENSSL_NO_BF
 736     BIO_puts(bio_out, "BF\n");
 737 #endif
 738 #ifdef OPENSSL_NO_BLAKE2
 739     BIO_puts(bio_out, "BLAKE2\n");
 740 #endif
 741 #ifdef OPENSSL_NO_CAMELLIA
 742     BIO_puts(bio_out, "CAMELLIA\n");
 743 #endif
 744 #ifdef OPENSSL_NO_CAST
 745     BIO_puts(bio_out, "CAST\n");
 746 #endif
 747 #ifdef OPENSSL_NO_CMAC
 748     BIO_puts(bio_out, "CMAC\n");
 749 #endif
 750 #ifdef OPENSSL_NO_CMS
 751     BIO_puts(bio_out, "CMS\n");
 752 #endif
 753 #ifdef OPENSSL_NO_COMP
 754     BIO_puts(bio_out, "COMP\n");
 755 #endif
 756 #ifdef OPENSSL_NO_DES
 757     BIO_puts(bio_out, "DES\n");
 758 #endif
 759 #ifdef OPENSSL_NO_DGRAM
 760     BIO_puts(bio_out, "DGRAM\n");
 761 #endif
 762 #ifdef OPENSSL_NO_DH
 763     BIO_puts(bio_out, "DH\n");
 764 #endif
 765 #ifdef OPENSSL_NO_DSA
 766     BIO_puts(bio_out, "DSA\n");
 767 #endif
 768 #if defined(OPENSSL_NO_DTLS)
 769     BIO_puts(bio_out, "DTLS\n");
 770 #endif
 771 #if defined(OPENSSL_NO_DTLS1)
 772     BIO_puts(bio_out, "DTLS1\n");
 773 #endif
 774 #if defined(OPENSSL_NO_DTLS1_2)
 775     BIO_puts(bio_out, "DTLS1_2\n");
 776 #endif
 777 #ifdef OPENSSL_NO_EC
 778     BIO_puts(bio_out, "EC\n");
 779 #endif
 780 #ifdef OPENSSL_NO_EC2M
 781     BIO_puts(bio_out, "EC2M\n");
 782 #endif
 783 #ifdef OPENSSL_NO_ENGINE
 784     BIO_puts(bio_out, "ENGINE\n");
 785 #endif
 786 #ifdef OPENSSL_NO_GOST
 787     BIO_puts(bio_out, "GOST\n");
 788 #endif
 789 #ifdef OPENSSL_NO_HEARTBEATS
 790     BIO_puts(bio_out, "HEARTBEATS\n");
 791 #endif
 792 #ifdef OPENSSL_NO_IDEA
 793     BIO_puts(bio_out, "IDEA\n");
 794 #endif
 795 #ifdef OPENSSL_NO_MD2
 796     BIO_puts(bio_out, "MD2\n");
 797 #endif
 798 #ifdef OPENSSL_NO_MD4
 799     BIO_puts(bio_out, "MD4\n");
 800 #endif
 801 #ifdef OPENSSL_NO_MD5
 802     BIO_puts(bio_out, "MD5\n");
 803 #endif
 804 #ifdef OPENSSL_NO_MDC2
 805     BIO_puts(bio_out, "MDC2\n");
 806 #endif
 807 #ifdef OPENSSL_NO_OCB
 808     BIO_puts(bio_out, "OCB\n");
 809 #endif
 810 #ifdef OPENSSL_NO_OCSP
 811     BIO_puts(bio_out, "OCSP\n");
 812 #endif
 813 #ifdef OPENSSL_NO_PSK
 814     BIO_puts(bio_out, "PSK\n");
 815 #endif
 816 #ifdef OPENSSL_NO_RC2
 817     BIO_puts(bio_out, "RC2\n");
 818 #endif
 819 #ifdef OPENSSL_NO_RC4
 820     BIO_puts(bio_out, "RC4\n");
 821 #endif
 822 #ifdef OPENSSL_NO_RC5
 823     BIO_puts(bio_out, "RC5\n");
 824 #endif
 825 #ifdef OPENSSL_NO_RMD160
 826     BIO_puts(bio_out, "RMD160\n");
 827 #endif
 828 #ifdef OPENSSL_NO_RSA
 829     BIO_puts(bio_out, "RSA\n");
 830 #endif
 831 #ifdef OPENSSL_NO_SCRYPT
 832     BIO_puts(bio_out, "SCRYPT\n");
 833 #endif
 834 #ifdef OPENSSL_NO_SCTP
 835     BIO_puts(bio_out, "SCTP\n");
 836 #endif
 837 #ifdef OPENSSL_NO_SEED
 838     BIO_puts(bio_out, "SEED\n");
 839 #endif
 840 #ifdef OPENSSL_NO_SM2
 841     BIO_puts(bio_out, "SM2\n");
 842 #endif
 843 #ifdef OPENSSL_NO_SM3
 844     BIO_puts(bio_out, "SM3\n");
 845 #endif
 846 #ifdef OPENSSL_NO_SM4
 847     BIO_puts(bio_out, "SM4\n");
 848 #endif
 849 #ifdef OPENSSL_NO_SOCK
 850     BIO_puts(bio_out, "SOCK\n");
 851 #endif
 852 #ifdef OPENSSL_NO_SRP
 853     BIO_puts(bio_out, "SRP\n");
 854 #endif
 855 #ifdef OPENSSL_NO_SRTP
 856     BIO_puts(bio_out, "SRTP\n");
 857 #endif
 858 #ifdef OPENSSL_NO_SSL3
 859     BIO_puts(bio_out, "SSL3\n");
 860 #endif
 861 #ifdef OPENSSL_NO_TLS1
 862     BIO_puts(bio_out, "TLS1\n");
 863 #endif
 864 #ifdef OPENSSL_NO_TLS1_1
 865     BIO_puts(bio_out, "TLS1_1\n");
 866 #endif
 867 #ifdef OPENSSL_NO_TLS1_2
 868     BIO_puts(bio_out, "TLS1_2\n");
 869 #endif
 870 #ifdef OPENSSL_NO_WHIRLPOOL
 871     BIO_puts(bio_out, "WHIRLPOOL\n");
 872 #endif
 873 #ifndef ZLIB
 874     BIO_puts(bio_out, "ZLIB\n");
 875 #endif
 876 }
 877
 878 static LHASH_OF(FUNCTION) *prog_init(void)
 879 {
 880     static LHASH_OF(FUNCTION) *ret = NULL;
 881     static int prog_inited = 0;
 882     FUNCTION *f;
 883     size_t i;
 884
 885     if (prog_inited)
 886         return ret;
 887
 888     prog_inited = 1;
 889
 890     /* Sort alphabetically within category. For nicer help displays. */
 891     for (i = 0, f = functions; f->name != NULL; ++f, ++i)
 892         ;
 893     qsort(functions, i, sizeof(*functions), SortFnByName);
 894
 895     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
 896         return NULL;
 897
 898     for (f = functions; f->name != NULL; f++)
 899         (void)lh_FUNCTION_insert(ret, f);
 900     return ret;
 901 }