apps/list.c

   1 /*
   2  * Copyright 1995-2020 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 /* We need to use some deprecated APIs */
  11 #define OPENSSL_SUPPRESS_DEPRECATED
  12
  13 #include <string.h>
  14 #include <openssl/evp.h>
  15 #include <openssl/err.h>
  16 #include <openssl/provider.h>
  17 #include <openssl/safestack.h>
  18 #include <openssl/kdf.h>
  19 #include <openssl/encoder.h>
  20 #include <openssl/decoder.h>
  21 #include <openssl/core_names.h>
  22 #include "apps.h"
  23 #include "app_params.h"
  24 #include "progs.h"
  25 #include "opt.h"
  26 #include "names.h"
  27
  28 static int verbose = 0;
  29
  30 static void legacy_cipher_fn(const EVP_CIPHER *c,
  31                              const char *from, const char *to, void *arg)
  32 {
  33     if (c != NULL) {
  34         BIO_printf(arg, "  %s\n", EVP_CIPHER_name(c));
  35     } else {
  36         if (from == NULL)
  37             from = "<undefined>";
  38         if (to == NULL)
  39             to = "<undefined>";
  40         BIO_printf(arg, "  %s => %s\n", from, to);
  41     }
  42 }
  43
  44 DEFINE_STACK_OF(EVP_CIPHER)
  45 static int cipher_cmp(const EVP_CIPHER * const *a,
  46                       const EVP_CIPHER * const *b)
  47 {
  48     int ret = EVP_CIPHER_number(*a) - EVP_CIPHER_number(*b);
  49
  50     if (ret == 0)
  51         ret = strcmp(OSSL_PROVIDER_name(EVP_CIPHER_provider(*a)),
  52                      OSSL_PROVIDER_name(EVP_CIPHER_provider(*b)));
  53
  54     return ret;
  55 }
  56
  57 static void collect_ciphers(EVP_CIPHER *cipher, void *stack)
  58 {
  59     STACK_OF(EVP_CIPHER) *cipher_stack = stack;
  60
  61     if (sk_EVP_CIPHER_push(cipher_stack, cipher) > 0)
  62         EVP_CIPHER_up_ref(cipher);
  63 }
  64
  65 static void list_ciphers(void)
  66 {
  67     STACK_OF(EVP_CIPHER) *ciphers = sk_EVP_CIPHER_new(cipher_cmp);
  68     int i;
  69
  70     if (ciphers == NULL) {
  71         BIO_printf(bio_err, "ERROR: Memory allocation\n");
  72         return;
  73     }
  74     BIO_printf(bio_out, "Legacy:\n");
  75     EVP_CIPHER_do_all_sorted(legacy_cipher_fn, bio_out);
  76
  77     BIO_printf(bio_out, "Provided:\n");
  78     EVP_CIPHER_do_all_provided(NULL, collect_ciphers, ciphers);
  79     sk_EVP_CIPHER_sort(ciphers);
  80     for (i = 0; i < sk_EVP_CIPHER_num(ciphers); i++) {
  81         const EVP_CIPHER *c = sk_EVP_CIPHER_value(ciphers, i);
  82         STACK_OF(OPENSSL_CSTRING) *names =
  83             sk_OPENSSL_CSTRING_new(name_cmp);
  84
  85         EVP_CIPHER_names_do_all(c, collect_names, names);
  86
  87         BIO_printf(bio_out, "  ");
  88         print_names(bio_out, names);
  89         BIO_printf(bio_out, " @ %s\n",
  90                    OSSL_PROVIDER_name(EVP_CIPHER_provider(c)));
  91
  92         sk_OPENSSL_CSTRING_free(names);
  93
  94         if (verbose) {
  95             print_param_types("retrievable algorithm parameters",
  96                               EVP_CIPHER_gettable_params(c), 4);
  97             print_param_types("retrievable operation parameters",
  98                               EVP_CIPHER_gettable_ctx_params(c), 4);
  99             print_param_types("settable operation parameters",
 100                               EVP_CIPHER_settable_ctx_params(c), 4);
 101         }
 102     }
 103     sk_EVP_CIPHER_pop_free(ciphers, EVP_CIPHER_free);
 104 }
 105
 106 static void list_md_fn(const EVP_MD *m,
 107                        const char *from, const char *to, void *arg)
 108 {
 109     if (m != NULL) {
 110         BIO_printf(arg, "  %s\n", EVP_MD_name(m));
 111     } else {
 112         if (from == NULL)
 113             from = "<undefined>";
 114         if (to == NULL)
 115             to = "<undefined>";
 116         BIO_printf((BIO *)arg, "  %s => %s\n", from, to);
 117     }
 118 }
 119
 120 DEFINE_STACK_OF(EVP_MD)
 121 static int md_cmp(const EVP_MD * const *a, const EVP_MD * const *b)
 122 {
 123     int ret = EVP_MD_number(*a) - EVP_MD_number(*b);
 124
 125     if (ret == 0)
 126         ret = strcmp(OSSL_PROVIDER_name(EVP_MD_provider(*a)),
 127                      OSSL_PROVIDER_name(EVP_MD_provider(*b)));
 128
 129     return ret;
 130 }
 131
 132 static void collect_digests(EVP_MD *md, void *stack)
 133 {
 134     STACK_OF(EVP_MD) *digest_stack = stack;
 135
 136     if (sk_EVP_MD_push(digest_stack, md) > 0)
 137         EVP_MD_up_ref(md);
 138 }
 139
 140 static void list_digests(void)
 141 {
 142     STACK_OF(EVP_MD) *digests = sk_EVP_MD_new(md_cmp);
 143     int i;
 144
 145     if (digests == NULL) {
 146         BIO_printf(bio_err, "ERROR: Memory allocation\n");
 147         return;
 148     }
 149     BIO_printf(bio_out, "Legacy:\n");
 150     EVP_MD_do_all_sorted(list_md_fn, bio_out);
 151
 152     BIO_printf(bio_out, "Provided:\n");
 153     EVP_MD_do_all_provided(NULL, collect_digests, digests);
 154     sk_EVP_MD_sort(digests);
 155     for (i = 0; i < sk_EVP_MD_num(digests); i++) {
 156         const EVP_MD *m = sk_EVP_MD_value(digests, i);
 157         STACK_OF(OPENSSL_CSTRING) *names =
 158             sk_OPENSSL_CSTRING_new(name_cmp);
 159
 160         EVP_MD_names_do_all(m, collect_names, names);
 161
 162         BIO_printf(bio_out, "  ");
 163         print_names(bio_out, names);
 164         BIO_printf(bio_out, " @ %s\n",
 165                    OSSL_PROVIDER_name(EVP_MD_provider(m)));
 166
 167         sk_OPENSSL_CSTRING_free(names);
 168
 169         if (verbose) {
 170             print_param_types("retrievable algorithm parameters",
 171                               EVP_MD_gettable_params(m), 4);
 172             print_param_types("retrievable operation parameters",
 173                               EVP_MD_gettable_ctx_params(m), 4);
 174             print_param_types("settable operation parameters",
 175                               EVP_MD_settable_ctx_params(m), 4);
 176         }
 177     }
 178     sk_EVP_MD_pop_free(digests, EVP_MD_free);
 179 }
 180
 181 DEFINE_STACK_OF(EVP_MAC)
 182 static int mac_cmp(const EVP_MAC * const *a, const EVP_MAC * const *b)
 183 {
 184     int ret = EVP_MAC_number(*a) - EVP_MAC_number(*b);
 185
 186     if (ret == 0)
 187         ret = strcmp(OSSL_PROVIDER_name(EVP_MAC_provider(*a)),
 188                      OSSL_PROVIDER_name(EVP_MAC_provider(*b)));
 189
 190     return ret;
 191 }
 192
 193 static void collect_macs(EVP_MAC *mac, void *stack)
 194 {
 195     STACK_OF(EVP_MAC) *mac_stack = stack;
 196
 197     if (sk_EVP_MAC_push(mac_stack, mac) > 0)
 198         EVP_MAC_up_ref(mac);
 199 }
 200
 201 static void list_macs(void)
 202 {
 203     STACK_OF(EVP_MAC) *macs = sk_EVP_MAC_new(mac_cmp);
 204     int i;
 205
 206     if (macs == NULL) {
 207         BIO_printf(bio_err, "ERROR: Memory allocation\n");
 208         return;
 209     }
 210     BIO_printf(bio_out, "Provided MACs:\n");
 211     EVP_MAC_do_all_provided(NULL, collect_macs, macs);
 212     sk_EVP_MAC_sort(macs);
 213     for (i = 0; i < sk_EVP_MAC_num(macs); i++) {
 214         const EVP_MAC *m = sk_EVP_MAC_value(macs, i);
 215         STACK_OF(OPENSSL_CSTRING) *names =
 216             sk_OPENSSL_CSTRING_new(name_cmp);
 217
 218         EVP_MAC_names_do_all(m, collect_names, names);
 219
 220         BIO_printf(bio_out, "  ");
 221         print_names(bio_out, names);
 222         BIO_printf(bio_out, " @ %s\n",
 223                    OSSL_PROVIDER_name(EVP_MAC_provider(m)));
 224
 225         sk_OPENSSL_CSTRING_free(names);
 226
 227         if (verbose) {
 228             print_param_types("retrievable algorithm parameters",
 229                               EVP_MAC_gettable_params(m), 4);
 230             print_param_types("retrievable operation parameters",
 231                               EVP_MAC_gettable_ctx_params(m), 4);
 232             print_param_types("settable operation parameters",
 233                               EVP_MAC_settable_ctx_params(m), 4);
 234         }
 235     }
 236     sk_EVP_MAC_pop_free(macs, EVP_MAC_free);
 237 }
 238
 239 /*
 240  * KDFs and PRFs
 241  */
 242 DEFINE_STACK_OF(EVP_KDF)
 243 static int kdf_cmp(const EVP_KDF * const *a, const EVP_KDF * const *b)
 244 {
 245     int ret = EVP_KDF_number(*a) - EVP_KDF_number(*b);
 246
 247     if (ret == 0)
 248         ret = strcmp(OSSL_PROVIDER_name(EVP_KDF_provider(*a)),
 249                      OSSL_PROVIDER_name(EVP_KDF_provider(*b)));
 250
 251     return ret;
 252 }
 253
 254 static void collect_kdfs(EVP_KDF *kdf, void *stack)
 255 {
 256     STACK_OF(EVP_KDF) *kdf_stack = stack;
 257
 258     sk_EVP_KDF_push(kdf_stack, kdf);
 259     EVP_KDF_up_ref(kdf);
 260 }
 261
 262 static void list_kdfs(void)
 263 {
 264     STACK_OF(EVP_KDF) *kdfs = sk_EVP_KDF_new(kdf_cmp);
 265     int i;
 266
 267     if (kdfs == NULL) {
 268         BIO_printf(bio_err, "ERROR: Memory allocation\n");
 269         return;
 270     }
 271     BIO_printf(bio_out, "Provided KDFs and PDFs:\n");
 272     EVP_KDF_do_all_provided(NULL, collect_kdfs, kdfs);
 273     sk_EVP_KDF_sort(kdfs);
 274     for (i = 0; i < sk_EVP_KDF_num(kdfs); i++) {
 275         const EVP_KDF *k = sk_EVP_KDF_value(kdfs, i);
 276         STACK_OF(OPENSSL_CSTRING) *names =
 277             sk_OPENSSL_CSTRING_new(name_cmp);
 278
 279         EVP_KDF_names_do_all(k, collect_names, names);
 280
 281         BIO_printf(bio_out, "  ");
 282         print_names(bio_out, names);
 283         BIO_printf(bio_out, " @ %s\n",
 284                    OSSL_PROVIDER_name(EVP_KDF_provider(k)));
 285
 286         sk_OPENSSL_CSTRING_free(names);
 287
 288         if (verbose) {
 289             print_param_types("retrievable algorithm parameters",
 290                               EVP_KDF_gettable_params(k), 4);
 291             print_param_types("retrievable operation parameters",
 292                               EVP_KDF_gettable_ctx_params(k), 4);
 293             print_param_types("settable operation parameters",
 294                               EVP_KDF_settable_ctx_params(k), 4);
 295         }
 296     }
 297     sk_EVP_KDF_pop_free(kdfs, EVP_KDF_free);
 298 }
 299
 300 /*
 301  * RANDs
 302  */
 303 DEFINE_STACK_OF(EVP_RAND)
 304
 305 static int rand_cmp(const EVP_RAND * const *a, const EVP_RAND * const *b)
 306 {
 307     int ret = strcasecmp(EVP_RAND_name(*a), EVP_RAND_name(*b));
 308
 309     if (ret == 0)
 310         ret = strcmp(OSSL_PROVIDER_name(EVP_RAND_provider(*a)),
 311                      OSSL_PROVIDER_name(EVP_RAND_provider(*b)));
 312
 313     return ret;
 314 }
 315
 316 static void collect_rands(EVP_RAND *rand, void *stack)
 317 {
 318     STACK_OF(EVP_RAND) *rand_stack = stack;
 319
 320     sk_EVP_RAND_push(rand_stack, rand);
 321     EVP_RAND_up_ref(rand);
 322 }
 323
 324 static void list_random_generators(void)
 325 {
 326     STACK_OF(EVP_RAND) *rands = sk_EVP_RAND_new(rand_cmp);
 327     int i;
 328
 329     if (rands == NULL) {
 330         BIO_printf(bio_err, "ERROR: Memory allocation\n");
 331         return;
 332     }
 333     BIO_printf(bio_out, "Provided RNGs and seed sources:\n");
 334     EVP_RAND_do_all_provided(NULL, collect_rands, rands);
 335     sk_EVP_RAND_sort(rands);
 336     for (i = 0; i < sk_EVP_RAND_num(rands); i++) {
 337         const EVP_RAND *m = sk_EVP_RAND_value(rands, i);
 338
 339         BIO_printf(bio_out, "  %s", EVP_RAND_name(m));
 340         BIO_printf(bio_out, " @ %s\n",
 341                    OSSL_PROVIDER_name(EVP_RAND_provider(m)));
 342
 343         if (verbose) {
 344             print_param_types("retrievable algorithm parameters",
 345                               EVP_RAND_gettable_params(m), 4);
 346             print_param_types("retrievable operation parameters",
 347                               EVP_RAND_gettable_ctx_params(m), 4);
 348             print_param_types("settable operation parameters",
 349                               EVP_RAND_settable_ctx_params(m), 4);
 350         }
 351     }
 352     sk_EVP_RAND_pop_free(rands, EVP_RAND_free);
 353 }
 354
 355 /*
 356  * Encoders
 357  */
 358 DEFINE_STACK_OF(OSSL_ENCODER)
 359 static int encoder_cmp(const OSSL_ENCODER * const *a,
 360                        const OSSL_ENCODER * const *b)
 361 {
 362     int ret = OSSL_ENCODER_number(*a) - OSSL_ENCODER_number(*b);
 363
 364     if (ret == 0)
 365         ret = strcmp(OSSL_PROVIDER_name(OSSL_ENCODER_provider(*a)),
 366                      OSSL_PROVIDER_name(OSSL_ENCODER_provider(*b)));
 367     return ret;
 368 }
 369
 370 static void collect_encoders(OSSL_ENCODER *encoder, void *stack)
 371 {
 372     STACK_OF(OSSL_ENCODER) *encoder_stack = stack;
 373
 374     sk_OSSL_ENCODER_push(encoder_stack, encoder);
 375     OSSL_ENCODER_up_ref(encoder);
 376 }
 377
 378 static void list_encoders(void)
 379 {
 380     STACK_OF(OSSL_ENCODER) *encoders;
 381     int i;
 382
 383     encoders = sk_OSSL_ENCODER_new(encoder_cmp);
 384     if (encoders == NULL) {
 385         BIO_printf(bio_err, "ERROR: Memory allocation\n");
 386         return;
 387     }
 388     BIO_printf(bio_out, "Provided ENCODERs:\n");
 389     OSSL_ENCODER_do_all_provided(NULL, collect_encoders, encoders);
 390     sk_OSSL_ENCODER_sort(encoders);
 391
 392     for (i = 0; i < sk_OSSL_ENCODER_num(encoders); i++) {
 393         OSSL_ENCODER *k = sk_OSSL_ENCODER_value(encoders, i);
 394         STACK_OF(OPENSSL_CSTRING) *names =
 395             sk_OPENSSL_CSTRING_new(name_cmp);
 396
 397         OSSL_ENCODER_names_do_all(k, collect_names, names);
 398
 399         BIO_printf(bio_out, "  ");
 400         print_names(bio_out, names);
 401         BIO_printf(bio_out, " @ %s (%s)\n",
 402                    OSSL_PROVIDER_name(OSSL_ENCODER_provider(k)),
 403                    OSSL_ENCODER_properties(k));
 404
 405         sk_OPENSSL_CSTRING_free(names);
 406
 407         if (verbose) {
 408             print_param_types("settable operation parameters",
 409                               OSSL_ENCODER_settable_ctx_params(k), 4);
 410         }
 411     }
 412     sk_OSSL_ENCODER_pop_free(encoders, OSSL_ENCODER_free);
 413 }
 414
 415 /*
 416  * Decoders
 417  */
 418 DEFINE_STACK_OF(OSSL_DECODER)
 419 static int decoder_cmp(const OSSL_DECODER * const *a,
 420                        const OSSL_DECODER * const *b)
 421 {
 422     int ret = OSSL_DECODER_number(*a) - OSSL_DECODER_number(*b);
 423
 424     if (ret == 0)
 425         ret = strcmp(OSSL_PROVIDER_name(OSSL_DECODER_provider(*a)),
 426                      OSSL_PROVIDER_name(OSSL_DECODER_provider(*b)));
 427     return ret;
 428 }
 429
 430 static void collect_decoders(OSSL_DECODER *decoder, void *stack)
 431 {
 432     STACK_OF(OSSL_DECODER) *decoder_stack = stack;
 433
 434     sk_OSSL_DECODER_push(decoder_stack, decoder);
 435     OSSL_DECODER_up_ref(decoder);
 436 }
 437
 438 static void list_decoders(void)
 439 {
 440     STACK_OF(OSSL_DECODER) *decoders;
 441     int i;
 442
 443     decoders = sk_OSSL_DECODER_new(decoder_cmp);
 444     if (decoders == NULL) {
 445         BIO_printf(bio_err, "ERROR: Memory allocation\n");
 446         return;
 447     }
 448     BIO_printf(bio_out, "Provided DECODERs:\n");
 449     OSSL_DECODER_do_all_provided(NULL, collect_decoders,
 450                                  decoders);
 451     sk_OSSL_DECODER_sort(decoders);
 452
 453     for (i = 0; i < sk_OSSL_DECODER_num(decoders); i++) {
 454         OSSL_DECODER *k = sk_OSSL_DECODER_value(decoders, i);
 455         STACK_OF(OPENSSL_CSTRING) *names =
 456             sk_OPENSSL_CSTRING_new(name_cmp);
 457
 458         OSSL_DECODER_names_do_all(k, collect_names, names);
 459
 460         BIO_printf(bio_out, "  ");
 461         print_names(bio_out, names);
 462         BIO_printf(bio_out, " @ %s (%s)\n",
 463                    OSSL_PROVIDER_name(OSSL_DECODER_provider(k)),
 464                    OSSL_DECODER_properties(k));
 465
 466         sk_OPENSSL_CSTRING_free(names);
 467
 468         if (verbose) {
 469             print_param_types("settable operation parameters",
 470                               OSSL_DECODER_settable_ctx_params(k), 4);
 471         }
 472     }
 473     sk_OSSL_DECODER_pop_free(decoders, OSSL_DECODER_free);
 474 }
 475
 476 static void list_missing_help(void)
 477 {
 478     const FUNCTION *fp;
 479     const OPTIONS *o;
 480
 481     for (fp = functions; fp->name != NULL; fp++) {
 482         if ((o = fp->help) != NULL) {
 483             /* If there is help, list what flags are not documented. */
 484             for ( ; o->name != NULL; o++) {
 485                 if (o->helpstr == NULL)
 486                     BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
 487             }
 488         } else if (fp->func != dgst_main) {
 489             /* If not aliased to the dgst command, */
 490             BIO_printf(bio_out, "%s *\n", fp->name);
 491         }
 492     }
 493 }
 494
 495 static void list_objects(void)
 496 {
 497     int max_nid = OBJ_new_nid(0);
 498     int i;
 499     char *oid_buf = NULL;
 500     int oid_size = 0;
 501
 502     /* Skip 0, since that's NID_undef */
 503     for (i = 1; i < max_nid; i++) {
 504         const ASN1_OBJECT *obj = OBJ_nid2obj(i);
 505         const char *sn = OBJ_nid2sn(i);
 506         const char *ln = OBJ_nid2ln(i);
 507         int n = 0;
 508
 509         /*
 510          * If one of the retrieved objects somehow generated an error,
 511          * we ignore it.  The check for NID_undef below will detect the
 512          * error and simply skip to the next NID.
 513          */
 514         ERR_clear_error();
 515
 516         if (OBJ_obj2nid(obj) == NID_undef)
 517             continue;
 518
 519         if ((n = OBJ_obj2txt(NULL, 0, obj, 1)) == 0) {
 520             BIO_printf(bio_out, "# None-OID object: %s, %s\n", sn, ln);
 521             continue;
 522         }
 523         if (n < 0)
 524             break;               /* Error */
 525
 526         if (n > oid_size) {
 527             oid_buf = OPENSSL_realloc(oid_buf, n + 1);
 528             if (oid_buf == NULL) {
 529                 BIO_printf(bio_err, "ERROR: Memory allocation\n");
 530                 break;           /* Error */
 531             }
 532             oid_size = n + 1;
 533         }
 534         if (OBJ_obj2txt(oid_buf, oid_size, obj, 1) < 0)
 535             break;               /* Error */
 536         if (ln == NULL || strcmp(sn, ln) == 0)
 537             BIO_printf(bio_out, "%s = %s\n", sn, oid_buf);
 538         else
 539             BIO_printf(bio_out, "%s = %s, %s\n", sn, ln, oid_buf);
 540     }
 541
 542     OPENSSL_free(oid_buf);
 543 }
 544
 545 static void list_options_for_command(const char *command)
 546 {
 547     const FUNCTION *fp;
 548     const OPTIONS *o;
 549
 550     for (fp = functions; fp->name != NULL; fp++)
 551         if (strcmp(fp->name, command) == 0)
 552             break;
 553     if (fp->name == NULL) {
 554         BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
 555                    command);
 556         return;
 557     }
 558
 559     if ((o = fp->help) == NULL)
 560         return;
 561
 562     for ( ; o->name != NULL; o++) {
 563         char c = o->valtype;
 564
 565         if (o->name == OPT_PARAM_STR)
 566             break;
 567
 568         if (o->name == OPT_HELP_STR
 569                 || o->name == OPT_MORE_STR
 570                 || o->name == OPT_SECTION_STR
 571                 || o->name[0] == '\0')
 572             continue;
 573         BIO_printf(bio_out, "%s %c\n", o->name, c == '\0' ? '-' : c);
 574     }
 575     /* Always output the -- marker since it is sometimes documented. */
 576     BIO_printf(bio_out, "- -\n");
 577 }
 578
 579 static void list_type(FUNC_TYPE ft, int one)
 580 {
 581     FUNCTION *fp;
 582     int i = 0;
 583     DISPLAY_COLUMNS dc;
 584
 585     memset(&dc, 0, sizeof(dc));
 586     if (!one)
 587         calculate_columns(functions, &dc);
 588
 589     for (fp = functions; fp->name != NULL; fp++) {
 590         if (fp->type != ft)
 591             continue;
 592         if (one) {
 593             BIO_printf(bio_out, "%s\n", fp->name);
 594         } else {
 595             if (i % dc.columns == 0 && i > 0)
 596                 BIO_printf(bio_out, "\n");
 597             BIO_printf(bio_out, "%-*s", dc.width, fp->name);
 598             i++;
 599         }
 600     }
 601     if (!one)
 602         BIO_printf(bio_out, "\n\n");
 603 }
 604
 605 static void list_pkey(void)
 606 {
 607     int i;
 608
 609     for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
 610         const EVP_PKEY_ASN1_METHOD *ameth;
 611         int pkey_id, pkey_base_id, pkey_flags;
 612         const char *pinfo, *pem_str;
 613         ameth = EVP_PKEY_asn1_get0(i);
 614         EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
 615                                 &pinfo, &pem_str, ameth);
 616         if (pkey_flags & ASN1_PKEY_ALIAS) {
 617             BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
 618             BIO_printf(bio_out, "\tAlias for: %s\n",
 619                        OBJ_nid2ln(pkey_base_id));
 620         } else {
 621             BIO_printf(bio_out, "Name: %s\n", pinfo);
 622             BIO_printf(bio_out, "\tType: %s Algorithm\n",
 623                        pkey_flags & ASN1_PKEY_DYNAMIC ?
 624                        "External" : "Builtin");
 625             BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
 626             if (pem_str == NULL)
 627                 pem_str = "(none)";
 628             BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
 629         }
 630
 631     }
 632 }
 633
 634 #ifndef OPENSSL_NO_DEPRECATED_3_0
 635 static void list_pkey_meth(void)
 636 {
 637     size_t i;
 638     size_t meth_count = EVP_PKEY_meth_get_count();
 639
 640     for (i = 0; i < meth_count; i++) {
 641         const EVP_PKEY_METHOD *pmeth = EVP_PKEY_meth_get0(i);
 642         int pkey_id, pkey_flags;
 643
 644         EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);
 645         BIO_printf(bio_out, "%s\n", OBJ_nid2ln(pkey_id));
 646         BIO_printf(bio_out, "\tType: %s Algorithm\n",
 647                    pkey_flags & ASN1_PKEY_DYNAMIC ?  "External" : "Builtin");
 648     }
 649 }
 650 #endif
 651
 652 #ifndef OPENSSL_NO_DEPRECATED_3_0
 653 static void list_engines(void)
 654 {
 655 # ifndef OPENSSL_NO_ENGINE
 656     ENGINE *e;
 657
 658     BIO_puts(bio_out, "Engines:\n");
 659     e = ENGINE_get_first();
 660     while (e) {
 661         BIO_printf(bio_out, "%s\n", ENGINE_get_id(e));
 662         e = ENGINE_get_next(e);
 663     }
 664 # else
 665     BIO_puts(bio_out, "Engine support is disabled.\n");
 666 # endif
 667 }
 668 #endif
 669
 670 static void list_disabled(void)
 671 {
 672     BIO_puts(bio_out, "Disabled algorithms:\n");
 673 #ifdef OPENSSL_NO_ARIA
 674     BIO_puts(bio_out, "ARIA\n");
 675 #endif
 676 #ifdef OPENSSL_NO_BF
 677     BIO_puts(bio_out, "BF\n");
 678 #endif
 679 #ifdef OPENSSL_NO_BLAKE2
 680     BIO_puts(bio_out, "BLAKE2\n");
 681 #endif
 682 #ifdef OPENSSL_NO_CAMELLIA
 683     BIO_puts(bio_out, "CAMELLIA\n");
 684 #endif
 685 #ifdef OPENSSL_NO_CAST
 686     BIO_puts(bio_out, "CAST\n");
 687 #endif
 688 #ifdef OPENSSL_NO_CMAC
 689     BIO_puts(bio_out, "CMAC\n");
 690 #endif
 691 #ifdef OPENSSL_NO_CMS
 692     BIO_puts(bio_out, "CMS\n");
 693 #endif
 694 #ifdef OPENSSL_NO_COMP
 695     BIO_puts(bio_out, "COMP\n");
 696 #endif
 697 #ifdef OPENSSL_NO_DES
 698     BIO_puts(bio_out, "DES\n");
 699 #endif
 700 #ifdef OPENSSL_NO_DGRAM
 701     BIO_puts(bio_out, "DGRAM\n");
 702 #endif
 703 #ifdef OPENSSL_NO_DH
 704     BIO_puts(bio_out, "DH\n");
 705 #endif
 706 #ifdef OPENSSL_NO_DSA
 707     BIO_puts(bio_out, "DSA\n");
 708 #endif
 709 #if defined(OPENSSL_NO_DTLS)
 710     BIO_puts(bio_out, "DTLS\n");
 711 #endif
 712 #if defined(OPENSSL_NO_DTLS1)
 713     BIO_puts(bio_out, "DTLS1\n");
 714 #endif
 715 #if defined(OPENSSL_NO_DTLS1_2)
 716     BIO_puts(bio_out, "DTLS1_2\n");
 717 #endif
 718 #ifdef OPENSSL_NO_EC
 719     BIO_puts(bio_out, "EC\n");
 720 #endif
 721 #ifdef OPENSSL_NO_EC2M
 722     BIO_puts(bio_out, "EC2M\n");
 723 #endif
 724 #if defined(OPENSSL_NO_ENGINE) && !defined(OPENSSL_NO_DEPRECATED_3_0)
 725     BIO_puts(bio_out, "ENGINE\n");
 726 #endif
 727 #ifdef OPENSSL_NO_GOST
 728     BIO_puts(bio_out, "GOST\n");
 729 #endif
 730 #ifdef OPENSSL_NO_IDEA
 731     BIO_puts(bio_out, "IDEA\n");
 732 #endif
 733 #ifdef OPENSSL_NO_MD2
 734     BIO_puts(bio_out, "MD2\n");
 735 #endif
 736 #ifdef OPENSSL_NO_MD4
 737     BIO_puts(bio_out, "MD4\n");
 738 #endif
 739 #ifdef OPENSSL_NO_MD5
 740     BIO_puts(bio_out, "MD5\n");
 741 #endif
 742 #ifdef OPENSSL_NO_MDC2
 743     BIO_puts(bio_out, "MDC2\n");
 744 #endif
 745 #ifdef OPENSSL_NO_OCB
 746     BIO_puts(bio_out, "OCB\n");
 747 #endif
 748 #ifdef OPENSSL_NO_OCSP
 749     BIO_puts(bio_out, "OCSP\n");
 750 #endif
 751 #ifdef OPENSSL_NO_PSK
 752     BIO_puts(bio_out, "PSK\n");
 753 #endif
 754 #ifdef OPENSSL_NO_RC2
 755     BIO_puts(bio_out, "RC2\n");
 756 #endif
 757 #ifdef OPENSSL_NO_RC4
 758     BIO_puts(bio_out, "RC4\n");
 759 #endif
 760 #ifdef OPENSSL_NO_RC5
 761     BIO_puts(bio_out, "RC5\n");
 762 #endif
 763 #ifdef OPENSSL_NO_RMD160
 764     BIO_puts(bio_out, "RMD160\n");
 765 #endif
 766 #ifdef OPENSSL_NO_RSA
 767     BIO_puts(bio_out, "RSA\n");
 768 #endif
 769 #ifdef OPENSSL_NO_SCRYPT
 770     BIO_puts(bio_out, "SCRYPT\n");
 771 #endif
 772 #ifdef OPENSSL_NO_SCTP
 773     BIO_puts(bio_out, "SCTP\n");
 774 #endif
 775 #ifdef OPENSSL_NO_SEED
 776     BIO_puts(bio_out, "SEED\n");
 777 #endif
 778 #ifdef OPENSSL_NO_SM2
 779     BIO_puts(bio_out, "SM2\n");
 780 #endif
 781 #ifdef OPENSSL_NO_SM3
 782     BIO_puts(bio_out, "SM3\n");
 783 #endif
 784 #ifdef OPENSSL_NO_SM4
 785     BIO_puts(bio_out, "SM4\n");
 786 #endif
 787 #ifdef OPENSSL_NO_SOCK
 788     BIO_puts(bio_out, "SOCK\n");
 789 #endif
 790 #ifdef OPENSSL_NO_SRP
 791     BIO_puts(bio_out, "SRP\n");
 792 #endif
 793 #ifdef OPENSSL_NO_SRTP
 794     BIO_puts(bio_out, "SRTP\n");
 795 #endif
 796 #ifdef OPENSSL_NO_SSL3
 797     BIO_puts(bio_out, "SSL3\n");
 798 #endif
 799 #ifdef OPENSSL_NO_TLS1
 800     BIO_puts(bio_out, "TLS1\n");
 801 #endif
 802 #ifdef OPENSSL_NO_TLS1_1
 803     BIO_puts(bio_out, "TLS1_1\n");
 804 #endif
 805 #ifdef OPENSSL_NO_TLS1_2
 806     BIO_puts(bio_out, "TLS1_2\n");
 807 #endif
 808 #ifdef OPENSSL_NO_WHIRLPOOL
 809     BIO_puts(bio_out, "WHIRLPOOL\n");
 810 #endif
 811 #ifndef ZLIB
 812     BIO_puts(bio_out, "ZLIB\n");
 813 #endif
 814 }
 815
 816 /* Unified enum for help and list commands. */
 817 typedef enum HELPLIST_CHOICE {
 818     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ONE, OPT_VERBOSE,
 819     OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_MAC_ALGORITHMS, OPT_OPTIONS,
 820     OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
 821     OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_DISABLED,
 822     OPT_KDF_ALGORITHMS, OPT_RANDOM_GENERATORS, OPT_ENCODERS,
 823     OPT_DECODERS,
 824     OPT_MISSING_HELP, OPT_OBJECTS,
 825 #ifndef OPENSSL_NO_DEPRECATED_3_0
 826     OPT_ENGINES,
 827 #endif
 828     OPT_PROV_ENUM
 829 } HELPLIST_CHOICE;
 830
 831 const OPTIONS list_options[] = {
 832
 833     OPT_SECTION("General"),
 834     {"help", OPT_HELP, '-', "Display this summary"},
 835
 836     OPT_SECTION("Output"),
 837     {"1", OPT_ONE, '-', "List in one column"},
 838     {"verbose", OPT_VERBOSE, '-', "Verbose listing"},
 839     {"commands", OPT_COMMANDS, '-', "List of standard commands"},
 840     {"standard-commands", OPT_COMMANDS, '-', "List of standard commands"},
 841     {"digest-commands", OPT_DIGEST_COMMANDS, '-',
 842      "List of message digest commands"},
 843     {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
 844      "List of message digest algorithms"},
 845     {"kdf-algorithms", OPT_KDF_ALGORITHMS, '-',
 846      "List of key derivation and pseudo random function algorithms"},
 847     {"random-generators", OPT_RANDOM_GENERATORS, '-',
 848      "List of random number generators"},
 849     {"mac-algorithms", OPT_MAC_ALGORITHMS, '-',
 850      "List of message authentication code algorithms"},
 851     {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
 852     {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
 853      "List of cipher algorithms"},
 854     {"encoders", OPT_ENCODERS, '-', "List of encoding methods" },
 855     {"decoders", OPT_DECODERS, '-', "List of decoding methods" },
 856     {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
 857      "List of public key algorithms"},
 858 #ifndef OPENSSL_NO_DEPRECATED_3_0
 859     {"public-key-methods", OPT_PK_METHOD, '-',
 860      "List of public key methods"},
 861     {"engines", OPT_ENGINES, '-',
 862      "List of loaded engines"},
 863 #endif
 864     {"disabled", OPT_DISABLED, '-', "List of disabled features"},
 865     {"missing-help", OPT_MISSING_HELP, '-',
 866      "List missing detailed help strings"},
 867     {"options", OPT_OPTIONS, 's',
 868      "List options for specified command"},
 869     {"objects", OPT_OBJECTS, '-',
 870      "List built in objects (OID<->name mappings)"},
 871
 872     OPT_PROV_OPTIONS,
 873     {NULL}
 874 };
 875
 876 int list_main(int argc, char **argv)
 877 {
 878     char *prog;
 879     HELPLIST_CHOICE o;
 880     int one = 0, done = 0;
 881     struct {
 882         unsigned int commands:1;
 883         unsigned int random_generators:1;
 884         unsigned int digest_commands:1;
 885         unsigned int digest_algorithms:1;
 886         unsigned int kdf_algorithms:1;
 887         unsigned int mac_algorithms:1;
 888         unsigned int cipher_commands:1;
 889         unsigned int cipher_algorithms:1;
 890         unsigned int encoder_algorithms:1;
 891         unsigned int decoder_algorithms:1;
 892         unsigned int pk_algorithms:1;
 893         unsigned int pk_method:1;
 894 #ifndef OPENSSL_NO_DEPRECATED_3_0
 895         unsigned int engines:1;
 896 #endif
 897         unsigned int disabled:1;
 898         unsigned int missing_help:1;
 899         unsigned int objects:1;
 900         unsigned int options:1;
 901     } todo = { 0, };
 902
 903     verbose = 0;                 /* Clear a possible previous call */
 904
 905     prog = opt_init(argc, argv, list_options);
 906     while ((o = opt_next()) != OPT_EOF) {
 907         switch (o) {
 908         case OPT_EOF:  /* Never hit, but suppresses warning */
 909         case OPT_ERR:
 910 opthelp:
 911             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 912             return 1;
 913         case OPT_HELP:
 914             opt_help(list_options);
 915             break;
 916         case OPT_ONE:
 917             one = 1;
 918             break;
 919         case OPT_COMMANDS:
 920             todo.commands = 1;
 921             break;
 922         case OPT_DIGEST_COMMANDS:
 923             todo.digest_commands = 1;
 924             break;
 925         case OPT_DIGEST_ALGORITHMS:
 926             todo.digest_algorithms = 1;
 927             break;
 928         case OPT_KDF_ALGORITHMS:
 929             todo.kdf_algorithms = 1;
 930             break;
 931         case OPT_RANDOM_GENERATORS:
 932             todo.random_generators = 1;
 933             break;
 934         case OPT_MAC_ALGORITHMS:
 935             todo.mac_algorithms = 1;
 936             break;
 937         case OPT_CIPHER_COMMANDS:
 938             todo.cipher_commands = 1;
 939             break;
 940         case OPT_CIPHER_ALGORITHMS:
 941             todo.cipher_algorithms = 1;
 942             break;
 943         case OPT_ENCODERS:
 944             todo.encoder_algorithms = 1;
 945             break;
 946         case OPT_DECODERS:
 947             todo.decoder_algorithms = 1;
 948             break;
 949         case OPT_PK_ALGORITHMS:
 950             todo.pk_algorithms = 1;
 951             break;
 952         case OPT_PK_METHOD:
 953             todo.pk_method = 1;
 954             break;
 955 #ifndef OPENSSL_NO_DEPRECATED_3_0
 956         case OPT_ENGINES:
 957             todo.engines = 1;
 958             break;
 959 #endif
 960         case OPT_DISABLED:
 961             todo.disabled = 1;
 962             break;
 963         case OPT_MISSING_HELP:
 964             todo.missing_help = 1;
 965             break;
 966         case OPT_OBJECTS:
 967             todo.objects = 1;
 968             break;
 969         case OPT_OPTIONS:
 970             list_options_for_command(opt_arg());
 971             break;
 972         case OPT_VERBOSE:
 973             verbose = 1;
 974             break;
 975         case OPT_PROV_CASES:
 976             if (!opt_provider(o))
 977                 return 1;
 978             break;
 979         }
 980         done = 1;
 981     }
 982     if (opt_num_rest() != 0) {
 983         BIO_printf(bio_err, "Extra arguments given.\n");
 984         goto opthelp;
 985     }
 986
 987     if (todo.commands)
 988         list_type(FT_general, one);
 989     if (todo.random_generators)
 990         list_random_generators();
 991     if (todo.digest_commands)
 992         list_type(FT_md, one);
 993     if (todo.digest_algorithms)
 994         list_digests();
 995     if (todo.kdf_algorithms)
 996         list_kdfs();
 997     if (todo.mac_algorithms)
 998         list_macs();
 999     if (todo.cipher_commands)
1000         list_type(FT_cipher, one);
1001     if (todo.cipher_algorithms)
1002         list_ciphers();
1003     if (todo.encoder_algorithms)
1004         list_encoders();
1005     if (todo.decoder_algorithms)
1006         list_decoders();
1007     if (todo.pk_algorithms)
1008         list_pkey();
1009 #ifndef OPENSSL_NO_DEPRECATED_3_0
1010     if (todo.pk_method)
1011         list_pkey_meth();
1012     if (todo.engines)
1013         list_engines();
1014 #endif
1015     if (todo.disabled)
1016         list_disabled();
1017     if (todo.missing_help)
1018         list_missing_help();
1019     if (todo.objects)
1020         list_objects();
1021
1022     if (!done)
1023         goto opthelp;
1024
1025     return 0;
1026 }