2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
10 #include <internal/cryptlib.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>
24 #include <openssl/err.h>
26 /* Needed to get the other O_xxx flags. */
27 #ifdef OPENSSL_SYS_VMS
30 #define INCLUDE_FUNCTION_TABLE
33 /* Structure to hold the number of columns to be displayed and the
34 * field width used to display them.
41 /* Special sentinel to exit the program. */
42 #define EXIT_THE_PROGRAM (-1)
45 * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with
46 * the base prototypes (we cast each variable inside the function to the
47 * required type of "FUNCTION*"). This removes the necessity for
48 * macro-generated wrapper functions.
50 static LHASH_OF(FUNCTION) *prog_init(void);
51 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
52 static void list_pkey(void);
53 static void list_pkey_meth(void);
54 static void list_type(FUNC_TYPE ft, int one);
55 static void list_disabled(void);
56 char *default_config_file = NULL;
62 static void calculate_columns(DISPLAY_COLUMNS *dc)
67 for (f = functions; f->name != NULL; ++f)
68 if (f->type == FT_general || f->type == FT_md || f->type == FT_cipher)
69 if ((len = strlen(f->name)) > maxlen)
72 dc->width = maxlen + 2;
73 dc->columns = (80 - 1) / dc->width;
76 static int apps_startup()
79 signal(SIGPIPE, SIG_IGN);
82 /* Set non-default library initialisation settings */
83 if (!OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_ALL_BUILTIN
84 | OPENSSL_INIT_LOAD_CONFIG, NULL))
92 static void apps_shutdown()
97 static char *make_config_name()
103 if ((t = getenv("OPENSSL_CONF")) != NULL)
104 return OPENSSL_strdup(t);
106 t = X509_get_default_cert_area();
107 len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;
108 p = app_malloc(len, "config filename buffer");
110 #ifndef OPENSSL_SYS_VMS
113 strcat(p, OPENSSL_CONF);
118 int main(int argc, char *argv[])
121 LHASH_OF(FUNCTION) *prog = NULL;
122 char **copied_argv = NULL;
127 int first, n, i, ret = 0;
132 /* Set up some of the environment. */
133 default_config_file = make_config_name();
134 bio_in = dup_bio_in(FORMAT_TEXT);
135 bio_out = dup_bio_out(FORMAT_TEXT);
136 bio_err = dup_bio_err(FORMAT_TEXT);
138 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
139 copied_argv = argv = copy_argv(&argc, argv);
140 #elif defined(_WIN32)
142 * Replace argv[] with UTF-8 encoded strings.
144 win32_utf8argv(&argc, &argv);
147 p = getenv("OPENSSL_DEBUG_MEMORY");
148 if (p != NULL && strcmp(p, "on") == 0)
149 CRYPTO_set_mem_debug(1);
150 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
152 if (getenv("OPENSSL_FIPS")) {
153 BIO_printf(bio_err, "FIPS mode not supported.\n");
157 if (!apps_startup()) {
159 "FATAL: Startup failure (dev note: apps_startup() failed)\n");
160 ERR_print_errors(bio_err);
166 pname = opt_progname(argv[0]);
168 /* first check the program name */
170 fp = lh_FUNCTION_retrieve(prog, &f);
173 ret = fp->func(argc, argv);
177 /* If there is stuff on the command line, run with that. */
181 ret = do_cmd(prog, argc, argv);
187 /* ok, lets enter interactive mode */
190 /* Read a line, continue reading if line ends with \ */
191 for (p = buf, n = sizeof buf, i = 0, first = 1; n > 0; first = 0) {
192 prompt = first ? "OpenSSL> " : "> ";
195 fputs(prompt, stdout);
197 if (!fgets(p, n, stdin))
204 if (p[i - 2] != '\\')
211 extern char *readline(const char *);
212 extern void add_history(const char *cp);
215 text = readline(prompt);
221 if (text[i - 1] != '\\') {
222 p += strlen(strcpy(p, text));
229 p += strlen(strcpy(p, text));
236 if (!chopup_args(&arg, buf)) {
237 BIO_printf(bio_err, "Can't parse (no memory?)\n");
241 ret = do_cmd(prog, arg.argc, arg.argv);
242 if (ret == EXIT_THE_PROGRAM) {
247 BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
248 (void)BIO_flush(bio_out);
249 (void)BIO_flush(bio_err);
253 OPENSSL_free(copied_argv);
254 OPENSSL_free(default_config_file);
255 lh_FUNCTION_free(prog);
256 OPENSSL_free(arg.argv);
260 BIO_free_all(bio_out);
262 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
263 if (CRYPTO_mem_leaks(bio_err) <= 0)
270 static void list_cipher_fn(const EVP_CIPHER *c,
271 const char *from, const char *to, void *arg)
274 BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
277 from = "<undefined>";
280 BIO_printf(arg, "%s => %s\n", from, to);
284 static void list_md_fn(const EVP_MD *m,
285 const char *from, const char *to, void *arg)
288 BIO_printf(arg, "%s\n", EVP_MD_name(m));
291 from = "<undefined>";
294 BIO_printf((BIO *)arg, "%s => %s\n", from, to);
298 static void list_missing_help(void)
303 for (fp = functions; fp->name != NULL; fp++) {
304 if ((o = fp->help) != NULL) {
305 /* If there is help, list what flags are not documented. */
306 for ( ; o->name != NULL; o++) {
307 if (o->helpstr == NULL)
308 BIO_printf(bio_out, "%s %s\n", fp->name, o->name);
310 } else if (fp->func != dgst_main) {
311 /* If not aliased to the dgst command, */
312 BIO_printf(bio_out, "%s *\n", fp->name);
317 static void list_options_for_command(const char *command)
322 for (fp = functions; fp->name != NULL; fp++)
323 if (strcmp(fp->name, command) == 0)
325 if (fp->name == NULL) {
326 BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
331 if ((o = fp->help) == NULL)
334 for ( ; o->name != NULL; o++) {
335 if (o->name == OPT_HELP_STR
336 || o->name == OPT_MORE_STR
337 || o->name[0] == '\0')
339 BIO_printf(bio_out, "%s %c\n", o->name, o->valtype);
344 /* Unified enum for help and list commands. */
345 typedef enum HELPLIST_CHOICE {
346 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ONE,
347 OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_OPTIONS,
348 OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
349 OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_DISABLED, OPT_MISSING_HELP
352 const OPTIONS list_options[] = {
353 {"help", OPT_HELP, '-', "Display this summary"},
354 {"1", OPT_ONE, '-', "List in one column"},
355 {"commands", OPT_COMMANDS, '-', "List of standard commands"},
356 {"digest-commands", OPT_DIGEST_COMMANDS, '-',
357 "List of message digest commands"},
358 {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
359 "List of message digest algorithms"},
360 {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
361 {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
362 "List of cipher algorithms"},
363 {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
364 "List of public key algorithms"},
365 {"public-key-methods", OPT_PK_METHOD, '-',
366 "List of public key methods"},
367 {"disabled", OPT_DISABLED, '-',
368 "List of disabled features"},
369 {"missing-help", OPT_MISSING_HELP, '-',
370 "List missing detailed help strings"},
371 {"options", OPT_OPTIONS, 's',
372 "List options for specified command"},
376 int list_main(int argc, char **argv)
380 int one = 0, done = 0;
382 prog = opt_init(argc, argv, list_options);
383 while ((o = opt_next()) != OPT_EOF) {
385 case OPT_EOF: /* Never hit, but suppresses warning */
388 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
391 opt_help(list_options);
397 list_type(FT_general, one);
399 case OPT_DIGEST_COMMANDS:
400 list_type(FT_md, one);
402 case OPT_DIGEST_ALGORITHMS:
403 EVP_MD_do_all_sorted(list_md_fn, bio_out);
405 case OPT_CIPHER_COMMANDS:
406 list_type(FT_cipher, one);
408 case OPT_CIPHER_ALGORITHMS:
409 EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
411 case OPT_PK_ALGORITHMS:
420 case OPT_MISSING_HELP:
424 list_options_for_command(opt_arg());
429 if (opt_num_rest() != 0) {
430 BIO_printf(bio_err, "Extra arguments given.\n");
440 typedef enum HELP_CHOICE {
441 OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP
444 const OPTIONS help_options[] = {
445 {"help", OPT_hHELP, '-', "Display this summary"},
450 int help_main(int argc, char **argv)
459 prog = opt_init(argc, argv, help_options);
460 while ((o = opt_next()) != OPT_hEOF) {
464 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
467 opt_help(help_options);
472 if (opt_num_rest() != 0) {
473 BIO_printf(bio_err, "Usage: %s\n", prog);
477 calculate_columns(&dc);
478 BIO_printf(bio_err, "Standard commands");
481 for (fp = functions; fp->name != NULL; fp++) {
483 if (i++ % dc.columns == 0) {
484 BIO_printf(bio_err, "\n");
487 if (fp->type != tp) {
490 BIO_printf(bio_err, "\n");
494 "\nMessage Digest commands (see the `dgst' command for more details)\n");
495 } else if (tp == FT_cipher) {
498 "\nCipher commands (see the `enc' command for more details)\n");
501 BIO_printf(bio_err, "%-*s", dc.width, fp->name);
503 BIO_printf(bio_err, "\n\n");
507 static void list_type(FUNC_TYPE ft, int one)
514 calculate_columns(&dc);
516 for (fp = functions; fp->name != NULL; fp++) {
520 BIO_printf(bio_out, "%s\n", fp->name);
522 if (i % dc.columns == 0 && i > 0)
523 BIO_printf(bio_out, "\n");
524 BIO_printf(bio_out, "%-*s", dc.width, fp->name);
529 BIO_printf(bio_out, "\n\n");
532 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
536 if (argc <= 0 || argv[0] == NULL)
539 fp = lh_FUNCTION_retrieve(prog, &f);
541 if (EVP_get_digestbyname(argv[0])) {
545 } else if (EVP_get_cipherbyname(argv[0])) {
552 return (fp->func(argc, argv));
554 if ((strncmp(argv[0], "no-", 3)) == 0) {
556 * User is asking if foo is unsupported, by trying to "run" the
557 * no-foo command. Strange.
559 f.name = argv[0] + 3;
560 if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
561 BIO_printf(bio_out, "%s\n", argv[0]);
564 BIO_printf(bio_out, "%s\n", argv[0] + 3);
567 if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
568 strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
569 /* Special value to mean "exit the program. */
570 return EXIT_THE_PROGRAM;
572 BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
577 static void list_pkey(void)
581 for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
582 const EVP_PKEY_ASN1_METHOD *ameth;
583 int pkey_id, pkey_base_id, pkey_flags;
584 const char *pinfo, *pem_str;
585 ameth = EVP_PKEY_asn1_get0(i);
586 EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
587 &pinfo, &pem_str, ameth);
588 if (pkey_flags & ASN1_PKEY_ALIAS) {
589 BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
590 BIO_printf(bio_out, "\tAlias for: %s\n",
591 OBJ_nid2ln(pkey_base_id));
593 BIO_printf(bio_out, "Name: %s\n", pinfo);
594 BIO_printf(bio_out, "\tType: %s Algorithm\n",
595 pkey_flags & ASN1_PKEY_DYNAMIC ?
596 "External" : "Builtin");
597 BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
600 BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
606 static void list_pkey_meth(void)
609 size_t meth_count = EVP_PKEY_meth_get_count();
611 for (i = 0; i < meth_count; i++) {
612 const EVP_PKEY_METHOD *pmeth = EVP_PKEY_meth_get0(i);
613 int pkey_id, pkey_flags;
615 EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);
616 BIO_printf(bio_out, "%s\n", OBJ_nid2ln(pkey_id));
617 BIO_printf(bio_out, "\tType: %s Algorithm\n",
618 pkey_flags & ASN1_PKEY_DYNAMIC ? "External" : "Builtin");
622 static int function_cmp(const FUNCTION * a, const FUNCTION * b)
624 return strncmp(a->name, b->name, 8);
627 static unsigned long function_hash(const FUNCTION * a)
629 return OPENSSL_LH_strhash(a->name);
632 static int SortFnByName(const void *_f1, const void *_f2)
634 const FUNCTION *f1 = _f1;
635 const FUNCTION *f2 = _f2;
637 if (f1->type != f2->type)
638 return f1->type - f2->type;
639 return strcmp(f1->name, f2->name);
642 static void list_disabled(void)
644 BIO_puts(bio_out, "Disabled algorithms:\n");
645 #ifdef OPENSSL_NO_ARIA
646 BIO_puts(bio_out, "ARIA\n");
649 BIO_puts(bio_out, "BF\n");
651 #ifdef OPENSSL_NO_BLAKE2
652 BIO_puts(bio_out, "BLAKE2\n");
654 #ifdef OPENSSL_NO_CAMELLIA
655 BIO_puts(bio_out, "CAMELLIA\n");
657 #ifdef OPENSSL_NO_CAST
658 BIO_puts(bio_out, "CAST\n");
660 #ifdef OPENSSL_NO_CMAC
661 BIO_puts(bio_out, "CMAC\n");
663 #ifdef OPENSSL_NO_CMS
664 BIO_puts(bio_out, "CMS\n");
666 #ifdef OPENSSL_NO_COMP
667 BIO_puts(bio_out, "COMP\n");
669 #ifdef OPENSSL_NO_DES
670 BIO_puts(bio_out, "DES\n");
672 #ifdef OPENSSL_NO_DGRAM
673 BIO_puts(bio_out, "DGRAM\n");
676 BIO_puts(bio_out, "DH\n");
678 #ifdef OPENSSL_NO_DSA
679 BIO_puts(bio_out, "DSA\n");
681 #if defined(OPENSSL_NO_DTLS)
682 BIO_puts(bio_out, "DTLS\n");
684 #if defined(OPENSSL_NO_DTLS1)
685 BIO_puts(bio_out, "DTLS1\n");
687 #if defined(OPENSSL_NO_DTLS1_2)
688 BIO_puts(bio_out, "DTLS1_2\n");
691 BIO_puts(bio_out, "EC\n");
693 #ifdef OPENSSL_NO_EC2M
694 BIO_puts(bio_out, "EC2M\n");
696 #ifdef OPENSSL_NO_ENGINE
697 BIO_puts(bio_out, "ENGINE\n");
699 #ifdef OPENSSL_NO_GOST
700 BIO_puts(bio_out, "GOST\n");
702 #ifdef OPENSSL_NO_HEARTBEATS
703 BIO_puts(bio_out, "HEARTBEATS\n");
705 #ifdef OPENSSL_NO_IDEA
706 BIO_puts(bio_out, "IDEA\n");
708 #ifdef OPENSSL_NO_MD2
709 BIO_puts(bio_out, "MD2\n");
711 #ifdef OPENSSL_NO_MD4
712 BIO_puts(bio_out, "MD4\n");
714 #ifdef OPENSSL_NO_MD5
715 BIO_puts(bio_out, "MD5\n");
717 #ifdef OPENSSL_NO_MDC2
718 BIO_puts(bio_out, "MDC2\n");
720 #ifdef OPENSSL_NO_OCB
721 BIO_puts(bio_out, "OCB\n");
723 #ifdef OPENSSL_NO_OCSP
724 BIO_puts(bio_out, "OCSP\n");
726 #ifdef OPENSSL_NO_PSK
727 BIO_puts(bio_out, "PSK\n");
729 #ifdef OPENSSL_NO_RC2
730 BIO_puts(bio_out, "RC2\n");
732 #ifdef OPENSSL_NO_RC4
733 BIO_puts(bio_out, "RC4\n");
735 #ifdef OPENSSL_NO_RC5
736 BIO_puts(bio_out, "RC5\n");
738 #ifdef OPENSSL_NO_RMD160
739 BIO_puts(bio_out, "RMD160\n");
741 #ifdef OPENSSL_NO_RSA
742 BIO_puts(bio_out, "RSA\n");
744 #ifdef OPENSSL_NO_SCRYPT
745 BIO_puts(bio_out, "SCRYPT\n");
747 #ifdef OPENSSL_NO_SCTP
748 BIO_puts(bio_out, "SCTP\n");
750 #ifdef OPENSSL_NO_SEED
751 BIO_puts(bio_out, "SEED\n");
753 #ifdef OPENSSL_NO_SOCK
754 BIO_puts(bio_out, "SOCK\n");
756 #ifdef OPENSSL_NO_SRP
757 BIO_puts(bio_out, "SRP\n");
759 #ifdef OPENSSL_NO_SRTP
760 BIO_puts(bio_out, "SRTP\n");
762 #ifdef OPENSSL_NO_SSL3
763 BIO_puts(bio_out, "SSL3\n");
765 #ifdef OPENSSL_NO_TLS1
766 BIO_puts(bio_out, "TLS1\n");
768 #ifdef OPENSSL_NO_TLS1_1
769 BIO_puts(bio_out, "TLS1_1\n");
771 #ifdef OPENSSL_NO_TLS1_2
772 BIO_puts(bio_out, "TLS1_2\n");
774 #ifdef OPENSSL_NO_WHIRLPOOL
775 BIO_puts(bio_out, "WHIRLPOOL\n");
778 BIO_puts(bio_out, "ZLIB\n");
782 static LHASH_OF(FUNCTION) *prog_init(void)
784 LHASH_OF(FUNCTION) *ret;
788 /* Sort alphabetically within category. For nicer help displays. */
789 for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
790 qsort(functions, i, sizeof(*functions), SortFnByName);
792 if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)
795 for (f = functions; f->name != NULL; f++)
796 (void)lh_FUNCTION_insert(ret, f);