xref: /openbsd-src/usr.bin/openssl/openssl.c (revision 8550894424f8a4aa4aafb6cd57229dd6ed7cd9dd)
1 /* $OpenBSD: openssl.c,v 1.32 2022/11/11 18:24:32 joshua Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer.
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 
112 #include <err.h>
113 #include <signal.h>
114 #include <stdio.h>
115 #include <string.h>
116 #include <stdlib.h>
117 #include <unistd.h>
118 
119 #include "apps.h"
120 
121 #include <openssl/bio.h>
122 #include <openssl/conf.h>
123 #include <openssl/crypto.h>
124 #include <openssl/err.h>
125 #include <openssl/lhash.h>
126 #include <openssl/pem.h>
127 #include <openssl/ssl.h>
128 #include <openssl/x509.h>
129 
130 #include "progs.h"
131 #include "s_apps.h"
132 
133 #define FUNC_TYPE_GENERAL       1
134 #define FUNC_TYPE_MD            2
135 #define FUNC_TYPE_CIPHER        3
136 #define FUNC_TYPE_PKEY          4
137 #define FUNC_TYPE_MD_ALG        5
138 #define FUNC_TYPE_CIPHER_ALG    6
139 
140 typedef struct {
141         int type;
142         const char *name;
143         int (*func)(int argc, char **argv);
144 } FUNCTION;
145 
146 DECLARE_LHASH_OF(FUNCTION);
147 
148 FUNCTION functions[] = {
149 
150 	/* General functions. */
151 	{ FUNC_TYPE_GENERAL, "asn1parse", asn1parse_main },
152 	{ FUNC_TYPE_GENERAL, "ca", ca_main },
153 	{ FUNC_TYPE_GENERAL, "certhash", certhash_main },
154 	{ FUNC_TYPE_GENERAL, "ciphers", ciphers_main },
155 #ifndef OPENSSL_NO_CMS
156 	{ FUNC_TYPE_GENERAL, "cms", cms_main },
157 #endif
158 	{ FUNC_TYPE_GENERAL, "crl2pkcs7", crl2pkcs7_main },
159 	{ FUNC_TYPE_GENERAL, "crl", crl_main },
160 	{ FUNC_TYPE_GENERAL, "dgst", dgst_main },
161 	{ FUNC_TYPE_GENERAL, "enc", enc_main },
162 	{ FUNC_TYPE_GENERAL, "errstr", errstr_main },
163 	{ FUNC_TYPE_GENERAL, "genpkey", genpkey_main },
164 	{ FUNC_TYPE_GENERAL, "nseq", nseq_main },
165 #ifndef OPENSSL_NO_OCSP
166 	{ FUNC_TYPE_GENERAL, "ocsp", ocsp_main },
167 #endif
168 	{ FUNC_TYPE_GENERAL, "passwd", passwd_main },
169 	{ FUNC_TYPE_GENERAL, "pkcs7", pkcs7_main },
170 	{ FUNC_TYPE_GENERAL, "pkcs8", pkcs8_main },
171 #if !defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_SHA1)
172 	{ FUNC_TYPE_GENERAL, "pkcs12", pkcs12_main },
173 #endif
174 	{ FUNC_TYPE_GENERAL, "pkey", pkey_main },
175 	{ FUNC_TYPE_GENERAL, "pkeyparam", pkeyparam_main },
176 	{ FUNC_TYPE_GENERAL, "pkeyutl", pkeyutl_main },
177 	{ FUNC_TYPE_GENERAL, "prime", prime_main },
178 	{ FUNC_TYPE_GENERAL, "rand", rand_main },
179 	{ FUNC_TYPE_GENERAL, "req", req_main },
180 	{ FUNC_TYPE_GENERAL, "s_client", s_client_main },
181 	{ FUNC_TYPE_GENERAL, "s_server", s_server_main },
182 	{ FUNC_TYPE_GENERAL, "s_time", s_time_main },
183 	{ FUNC_TYPE_GENERAL, "sess_id", sess_id_main },
184 	{ FUNC_TYPE_GENERAL, "smime", smime_main },
185 #ifndef OPENSSL_NO_SPEED
186 	{ FUNC_TYPE_GENERAL, "speed", speed_main },
187 #endif
188 	{ FUNC_TYPE_GENERAL, "spkac", spkac_main },
189 	{ FUNC_TYPE_GENERAL, "ts", ts_main },
190 	{ FUNC_TYPE_GENERAL, "verify", verify_main },
191 	{ FUNC_TYPE_GENERAL, "version", version_main },
192 	{ FUNC_TYPE_GENERAL, "x509", x509_main },
193 
194 #ifndef OPENSSL_NO_DH
195 	{ FUNC_TYPE_GENERAL, "dh", dh_main },
196 	{ FUNC_TYPE_GENERAL, "dhparam", dhparam_main },
197 	{ FUNC_TYPE_GENERAL, "gendh", gendh_main },
198 #endif
199 #ifndef OPENSSL_NO_DSA
200 	{ FUNC_TYPE_GENERAL, "dsa", dsa_main },
201 	{ FUNC_TYPE_GENERAL, "dsaparam", dsaparam_main },
202 	{ FUNC_TYPE_GENERAL, "gendsa", gendsa_main },
203 #endif
204 #ifndef OPENSSL_NO_EC
205 	{ FUNC_TYPE_GENERAL, "ec", ec_main },
206 	{ FUNC_TYPE_GENERAL, "ecparam", ecparam_main },
207 #endif
208 #ifndef OPENSSL_NO_RSA
209 	{ FUNC_TYPE_GENERAL, "genrsa", genrsa_main },
210 	{ FUNC_TYPE_GENERAL, "rsa", rsa_main },
211 	{ FUNC_TYPE_GENERAL, "rsautl", rsautl_main },
212 #endif
213 
214 	/* Message Digests. */
215 #ifndef OPENSSL_NO_GOST
216 	{ FUNC_TYPE_MD, "gost-mac", dgst_main },
217 	{ FUNC_TYPE_MD, "md_gost94", dgst_main },
218 	{ FUNC_TYPE_MD, "streebog256", dgst_main },
219 	{ FUNC_TYPE_MD, "streebog512", dgst_main },
220 #endif
221 #ifndef OPENSSL_NO_MD4
222 	{ FUNC_TYPE_MD, "md4", dgst_main },
223 #endif
224 #ifndef OPENSSL_NO_MD5
225 	{ FUNC_TYPE_MD, "md5", dgst_main },
226 #endif
227 #ifndef OPENSSL_NO_RIPEMD160
228 	{ FUNC_TYPE_MD, "ripemd160", dgst_main },
229 #endif
230 #ifndef OPENSSL_NO_SHA1
231 	{ FUNC_TYPE_MD, "sha1", dgst_main },
232 #endif
233 #ifndef OPENSSL_NO_SHA224
234 	{ FUNC_TYPE_MD, "sha224", dgst_main },
235 #endif
236 #ifndef OPENSSL_NO_SHA256
237 	{ FUNC_TYPE_MD, "sha256", dgst_main },
238 #endif
239 #ifndef OPENSSL_NO_SHA384
240 	{ FUNC_TYPE_MD, "sha384", dgst_main },
241 #endif
242 #ifndef OPENSSL_NO_SHA512
243 	{ FUNC_TYPE_MD, "sha512", dgst_main },
244 #endif
245 #ifndef OPENSSL_NO_SM3
246 	{ FUNC_TYPE_MD, "sm3", dgst_main },
247 	{ FUNC_TYPE_MD, "sm3WithRSAEncryption", dgst_main },
248 #endif
249 #ifndef OPENSSL_NO_WHIRLPOOL
250 	{ FUNC_TYPE_MD, "whirlpool", dgst_main },
251 #endif
252 
253 	/* Ciphers. */
254 	{ FUNC_TYPE_CIPHER, "base64", enc_main },
255 #ifndef OPENSSL_NO_AES
256 	{ FUNC_TYPE_CIPHER, "aes-128-cbc", enc_main },
257 	{ FUNC_TYPE_CIPHER, "aes-128-ecb", enc_main },
258 	{ FUNC_TYPE_CIPHER, "aes-192-cbc", enc_main },
259 	{ FUNC_TYPE_CIPHER, "aes-192-ecb", enc_main },
260 	{ FUNC_TYPE_CIPHER, "aes-256-cbc", enc_main },
261 	{ FUNC_TYPE_CIPHER, "aes-256-ecb", enc_main },
262 #endif
263 #ifndef OPENSSL_NO_BF
264 	{ FUNC_TYPE_CIPHER, "bf", enc_main },
265 	{ FUNC_TYPE_CIPHER, "bf-cbc", enc_main },
266 	{ FUNC_TYPE_CIPHER, "bf-ecb", enc_main },
267 	{ FUNC_TYPE_CIPHER, "bf-cfb", enc_main },
268 	{ FUNC_TYPE_CIPHER, "bf-ofb", enc_main },
269 #endif
270 #ifndef OPENSSL_NO_CAMELLIA
271 	{ FUNC_TYPE_CIPHER, "camellia-128-cbc", enc_main },
272 	{ FUNC_TYPE_CIPHER, "camellia-128-ecb", enc_main },
273 	{ FUNC_TYPE_CIPHER, "camellia-192-cbc", enc_main },
274 	{ FUNC_TYPE_CIPHER, "camellia-192-ecb", enc_main },
275 	{ FUNC_TYPE_CIPHER, "camellia-256-cbc", enc_main },
276 	{ FUNC_TYPE_CIPHER, "camellia-256-ecb", enc_main },
277 #endif
278 #ifndef OPENSSL_NO_CAST
279 	{ FUNC_TYPE_CIPHER, "cast", enc_main },
280 	{ FUNC_TYPE_CIPHER, "cast5-cbc", enc_main },
281 	{ FUNC_TYPE_CIPHER, "cast5-ecb", enc_main },
282 	{ FUNC_TYPE_CIPHER, "cast5-cfb", enc_main },
283 	{ FUNC_TYPE_CIPHER, "cast5-ofb", enc_main },
284 	{ FUNC_TYPE_CIPHER, "cast-cbc", enc_main },
285 #endif
286 #ifndef OPENSSL_NO_CHACHA
287 	{ FUNC_TYPE_CIPHER, "chacha", enc_main },
288 #endif
289 #ifndef OPENSSL_NO_DES
290 	{ FUNC_TYPE_CIPHER, "des", enc_main },
291 	{ FUNC_TYPE_CIPHER, "des3", enc_main },
292 	{ FUNC_TYPE_CIPHER, "desx", enc_main },
293 	{ FUNC_TYPE_CIPHER, "des-ecb", enc_main },
294 	{ FUNC_TYPE_CIPHER, "des-ede", enc_main },
295 	{ FUNC_TYPE_CIPHER, "des-ede3", enc_main },
296 	{ FUNC_TYPE_CIPHER, "des-cbc", enc_main },
297 	{ FUNC_TYPE_CIPHER, "des-ede-cbc", enc_main },
298 	{ FUNC_TYPE_CIPHER, "des-ede3-cbc", enc_main },
299 	{ FUNC_TYPE_CIPHER, "des-cfb", enc_main },
300 	{ FUNC_TYPE_CIPHER, "des-ede-cfb", enc_main },
301 	{ FUNC_TYPE_CIPHER, "des-ede3-cfb", enc_main },
302 	{ FUNC_TYPE_CIPHER, "des-ofb", enc_main },
303 	{ FUNC_TYPE_CIPHER, "des-ede-ofb", enc_main },
304 	{ FUNC_TYPE_CIPHER, "des-ede3-ofb", enc_main },
305 #endif
306 #ifndef OPENSSL_NO_IDEA
307 	{ FUNC_TYPE_CIPHER, "idea", enc_main },
308 	{ FUNC_TYPE_CIPHER, "idea-cbc", enc_main },
309 	{ FUNC_TYPE_CIPHER, "idea-ecb", enc_main },
310 	{ FUNC_TYPE_CIPHER, "idea-cfb", enc_main },
311 	{ FUNC_TYPE_CIPHER, "idea-ofb", enc_main },
312 #endif
313 #ifndef OPENSSL_NO_RC2
314 	{ FUNC_TYPE_CIPHER, "rc2", enc_main },
315 	{ FUNC_TYPE_CIPHER, "rc2-cbc", enc_main },
316 	{ FUNC_TYPE_CIPHER, "rc2-ecb", enc_main },
317 	{ FUNC_TYPE_CIPHER, "rc2-cfb", enc_main },
318 	{ FUNC_TYPE_CIPHER, "rc2-ofb", enc_main },
319 	{ FUNC_TYPE_CIPHER, "rc2-64-cbc", enc_main },
320 	{ FUNC_TYPE_CIPHER, "rc2-40-cbc", enc_main },
321 #endif
322 #ifndef OPENSSL_NO_RC4
323 	{ FUNC_TYPE_CIPHER, "rc4", enc_main },
324 	{ FUNC_TYPE_CIPHER, "rc4-40", enc_main },
325 #endif
326 #ifndef OPENSSL_NO_SM4
327 	{ FUNC_TYPE_CIPHER, "sm4", enc_main },
328 	{ FUNC_TYPE_CIPHER, "sm4-ecb", enc_main },
329 	{ FUNC_TYPE_CIPHER, "sm4-cbc", enc_main },
330 	{ FUNC_TYPE_CIPHER, "sm4-ofb", enc_main },
331 	{ FUNC_TYPE_CIPHER, "sm4-cfb", enc_main },
332 #endif
333 #ifdef ZLIB
334 	{ FUNC_TYPE_CIPHER, "zlib", enc_main },
335 #endif
336 
337 	{ 0, NULL, NULL }
338 };
339 
340 static void openssl_startup(void);
341 static void openssl_shutdown(void);
342 
343 /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the
344  * base prototypes (we cast each variable inside the function to the required
345  * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper
346  * functions. */
347 
348 static LHASH_OF(FUNCTION) *prog_init(void);
349 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
350 static void print_help(void);
351 static void list_pkey(BIO * out);
352 static void list_cipher(BIO * out);
353 static void list_md(BIO * out);
354 char *default_config_file = NULL;
355 
356 CONF *config = NULL;
357 BIO *bio_err = NULL;
358 
359 static void
360 openssl_startup(void)
361 {
362 	signal(SIGPIPE, SIG_IGN);
363 
364 	OpenSSL_add_all_algorithms();
365 	SSL_library_init();
366 	SSL_load_error_strings();
367 
368 	setup_ui();
369 }
370 
371 static void
372 openssl_shutdown(void)
373 {
374 	CONF_modules_unload(1);
375 	destroy_ui();
376 	OBJ_cleanup();
377 	EVP_cleanup();
378 	CRYPTO_cleanup_all_ex_data();
379 	ERR_remove_thread_state(NULL);
380 	ERR_free_strings();
381 }
382 
383 int
384 main(int argc, char **argv)
385 {
386 	ARGS arg;
387 	char *to_free = NULL;
388 	int i, ret = 0;
389 	char *p;
390 	LHASH_OF(FUNCTION) * prog = NULL;
391 	long errline;
392 
393 	arg.data = NULL;
394 	arg.count = 0;
395 
396 	if (pledge("stdio cpath wpath rpath inet dns proc flock tty", NULL) == -1) {
397 		fprintf(stderr, "openssl: pledge: %s\n", strerror(errno));
398 		exit(1);
399 	}
400 
401 	bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
402 	if (bio_err == NULL) {
403 		fprintf(stderr, "openssl: failed to initialise bio_err\n");
404 		exit(1);
405 	}
406 
407 	if (BIO_sock_init() != 1) {
408 		BIO_printf(bio_err, "BIO_sock_init failed\n");
409 		exit(1);
410 	}
411 
412 	openssl_startup();
413 
414 	/* Lets load up our environment a little */
415 	p = getenv("OPENSSL_CONF");
416 	if (p == NULL) {
417 		p = to_free = make_config_name();
418 		if (p == NULL) {
419 			BIO_printf(bio_err, "error making config file name\n");
420 			goto end;
421 		}
422 	}
423 
424 	default_config_file = p;
425 
426 	config = NCONF_new(NULL);
427 	i = NCONF_load(config, p, &errline);
428 	if (i == 0) {
429 		if (ERR_GET_REASON(ERR_peek_last_error()) ==
430 		    CONF_R_NO_SUCH_FILE) {
431 			BIO_printf(bio_err,
432 			    "WARNING: can't open config file: %s\n", p);
433 			ERR_clear_error();
434 			NCONF_free(config);
435 			config = NULL;
436 		} else {
437 			ERR_print_errors(bio_err);
438 			NCONF_free(config);
439 			exit(1);
440 		}
441 	}
442 
443 	if (!load_config(bio_err, NULL)) {
444 		BIO_printf(bio_err, "failed to load configuration\n");
445 		goto end;
446 	}
447 
448 	prog = prog_init();
449 
450 	/*
451 	 * ok, now check that there are not arguments, if there are, run with
452 	 * them, shifting the executable name off the front
453 	 */
454 	argc--;
455 	argv++;
456 
457 	if (argc < 1) {
458 		print_help();
459 		goto end;
460 	}
461 
462 	ret = do_cmd(prog, argc, argv);
463 	if (ret < 0)
464 		ret = 0;
465 
466  end:
467 	free(to_free);
468 
469 	if (config != NULL) {
470 		NCONF_free(config);
471 		config = NULL;
472 	}
473 	if (prog != NULL)
474 		lh_FUNCTION_free(prog);
475 	free(arg.data);
476 
477 	openssl_shutdown();
478 
479 	if (bio_err != NULL) {
480 		BIO_free(bio_err);
481 		bio_err = NULL;
482 	}
483 	return (ret);
484 }
485 
486 #define LIST_STANDARD_COMMANDS "list-standard-commands"
487 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
488 #define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms"
489 #define LIST_CIPHER_COMMANDS "list-cipher-commands"
490 #define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms"
491 #define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms"
492 
493 
494 static int
495 do_cmd(LHASH_OF(FUNCTION) * prog, int argc, char *argv[])
496 {
497 	FUNCTION f, *fp;
498 	int ret = 1;
499 
500 	if (argc <= 0 || argv[0] == NULL)
501 		return 0;
502 
503 	f.name = argv[0];
504 	fp = lh_FUNCTION_retrieve(prog, &f);
505 	if (fp == NULL) {
506 		if (EVP_get_digestbyname(argv[0])) {
507 			f.type = FUNC_TYPE_MD;
508 			f.func = dgst_main;
509 			fp = &f;
510 		} else if (EVP_get_cipherbyname(argv[0])) {
511 			f.type = FUNC_TYPE_CIPHER;
512 			f.func = enc_main;
513 			fp = &f;
514 		}
515 	}
516 
517 	if (fp != NULL)
518 		return fp->func(argc, argv);
519 
520 	if (strcmp(argv[0], "help") == 0) {
521 		print_help();
522 		return 0;
523 	}
524 
525 	if ((strncmp(argv[0], "no-", 3)) == 0) {
526 		BIO *bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
527 		f.name = argv[0] + 3;
528 		ret = (lh_FUNCTION_retrieve(prog, &f) != NULL);
529 		if (!ret)
530 			BIO_printf(bio_stdout, "%s\n", argv[0]);
531 		else
532 			BIO_printf(bio_stdout, "%s\n", argv[0] + 3);
533 		BIO_free_all(bio_stdout);
534 		return ret;
535 	}
536 
537 	if ((strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0) ||
538 	    (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
539 	    (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) ||
540 	    (strcmp(argv[0], LIST_CIPHER_COMMANDS) == 0) ||
541 	    (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0) ||
542 	    (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)) {
543 		int list_type;
544 		BIO *bio_stdout;
545 
546 		if (strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0)
547 			list_type = FUNC_TYPE_GENERAL;
548 		else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0)
549 			list_type = FUNC_TYPE_MD;
550 		else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0)
551 			list_type = FUNC_TYPE_MD_ALG;
552 		else if (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)
553 			list_type = FUNC_TYPE_PKEY;
554 		else if (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0)
555 			list_type = FUNC_TYPE_CIPHER_ALG;
556 		else		/* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
557 			list_type = FUNC_TYPE_CIPHER;
558 		bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
559 
560 		if (list_type == FUNC_TYPE_PKEY)
561 			list_pkey(bio_stdout);
562 		if (list_type == FUNC_TYPE_MD_ALG)
563 			list_md(bio_stdout);
564 		if (list_type == FUNC_TYPE_CIPHER_ALG)
565 			list_cipher(bio_stdout);
566 		else {
567 			for (fp = functions; fp->name != NULL; fp++)
568 				if (fp->type == list_type)
569 					BIO_printf(bio_stdout, "%s\n",
570 					    fp->name);
571 		}
572 		BIO_free_all(bio_stdout);
573 		return 0;
574 	}
575 
576 	BIO_printf(bio_err,
577 	    "openssl:Error: '%s' is an invalid command.\n",
578 	    argv[0]);
579 	print_help();
580 
581 	return 1;
582 }
583 
584 static void
585 print_help(void)
586 {
587 	FUNCTION *fp;
588 	int i = 0;
589 	int tp = 0;
590 	int nl;
591 
592 	BIO_printf(bio_err, "\nStandard commands");
593 	for (fp = functions; fp->name != NULL; fp++) {
594 		nl = 0;
595 #ifdef OPENSSL_NO_CAMELLIA
596 		if (((i++) % 5) == 0)
597 #else
598 		if (((i++) % 4) == 0)
599 #endif
600 		{
601 			BIO_printf(bio_err, "\n");
602 			nl = 1;
603 		}
604 		if (fp->type != tp) {
605 			tp = fp->type;
606 			if (!nl)
607 				BIO_printf(bio_err, "\n");
608 			if (tp == FUNC_TYPE_MD) {
609 				i = 1;
610 				BIO_printf(bio_err,
611 				    "\nMessage Digest commands (see the `dgst' command for more details)\n");
612 			} else if (tp == FUNC_TYPE_CIPHER) {
613 				i = 1;
614 				BIO_printf(bio_err, "\nCipher commands (see the `enc' command for more details)\n");
615 			}
616 		}
617 #ifdef OPENSSL_NO_CAMELLIA
618 		BIO_printf(bio_err, "%-15s", fp->name);
619 #else
620 		BIO_printf(bio_err, "%-18s", fp->name);
621 #endif
622 	}
623 
624 	BIO_printf(bio_err, "\n\n");
625 }
626 
627 static int
628 SortFnByName(const void *_f1, const void *_f2)
629 {
630 	const FUNCTION *f1 = _f1;
631 	const FUNCTION *f2 = _f2;
632 
633 	if (f1->type != f2->type)
634 		return f1->type - f2->type;
635 	return strcmp(f1->name, f2->name);
636 }
637 
638 static void
639 list_pkey(BIO * out)
640 {
641 	int i;
642 
643 	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
644 		const EVP_PKEY_ASN1_METHOD *ameth;
645 		int pkey_id, pkey_base_id, pkey_flags;
646 		const char *pinfo, *pem_str;
647 		ameth = EVP_PKEY_asn1_get0(i);
648 		EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
649 		    &pinfo, &pem_str, ameth);
650 		if (pkey_flags & ASN1_PKEY_ALIAS) {
651 			BIO_printf(out, "Name: %s\n",
652 			    OBJ_nid2ln(pkey_id));
653 			BIO_printf(out, "\tType: Alias to %s\n",
654 			    OBJ_nid2ln(pkey_base_id));
655 		} else {
656 			BIO_printf(out, "Name: %s\n", pinfo);
657 			BIO_printf(out, "\tType: %s Algorithm\n",
658 			    pkey_flags & ASN1_PKEY_DYNAMIC ?
659 			    "External" : "Builtin");
660 			BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
661 			if (pem_str == NULL)
662 				pem_str = "(none)";
663 			BIO_printf(out, "\tPEM string: %s\n", pem_str);
664 		}
665 
666 	}
667 }
668 
669 static void
670 list_cipher_fn(const EVP_CIPHER * c, const char *from, const char *to,
671     void *arg)
672 {
673 	if (c)
674 		BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
675 	else {
676 		if (!from)
677 			from = "<undefined>";
678 		if (!to)
679 			to = "<undefined>";
680 		BIO_printf(arg, "%s => %s\n", from, to);
681 	}
682 }
683 
684 static void
685 list_cipher(BIO * out)
686 {
687 	EVP_CIPHER_do_all_sorted(list_cipher_fn, out);
688 }
689 
690 static void
691 list_md_fn(const EVP_MD * m, const char *from, const char *to, void *arg)
692 {
693 	if (m)
694 		BIO_printf(arg, "%s\n", EVP_MD_name(m));
695 	else {
696 		if (!from)
697 			from = "<undefined>";
698 		if (!to)
699 			to = "<undefined>";
700 		BIO_printf(arg, "%s => %s\n", from, to);
701 	}
702 }
703 
704 static void
705 list_md(BIO * out)
706 {
707 	EVP_MD_do_all_sorted(list_md_fn, out);
708 }
709 
710 static int
711 function_cmp(const FUNCTION * a, const FUNCTION * b)
712 {
713 	return strncmp(a->name, b->name, 8);
714 }
715 
716 static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
717 
718 static unsigned long
719 function_hash(const FUNCTION * a)
720 {
721 	return lh_strhash(a->name);
722 }
723 
724 static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
725 
726 static LHASH_OF(FUNCTION) *
727 prog_init(void)
728 {
729 	LHASH_OF(FUNCTION) * ret;
730 	FUNCTION *f;
731 	size_t i;
732 
733 	/* Purely so it looks nice when the user hits ? */
734 	for (i = 0, f = functions; f->name != NULL; ++f, ++i)
735 		;
736 	qsort(functions, i, sizeof *functions, SortFnByName);
737 
738 	if ((ret = lh_FUNCTION_new()) == NULL)
739 		return (NULL);
740 
741 	for (f = functions; f->name != NULL; f++)
742 		(void) lh_FUNCTION_insert(ret, f);
743 	return (ret);
744 }
745