1 /* $OpenBSD: openssl.c,v 1.30 2019/11/04 15:25:54 jsing 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 int single_execution = 0;
141 
142 typedef struct {
143         int type;
144         const char *name;
145         int (*func)(int argc, char **argv);
146 } FUNCTION;
147 
148 DECLARE_LHASH_OF(FUNCTION);
149 
150 FUNCTION functions[] = {
151 
152 	/* General functions. */
153 	{ FUNC_TYPE_GENERAL, "asn1parse", asn1parse_main },
154 	{ FUNC_TYPE_GENERAL, "ca", ca_main },
155 	{ FUNC_TYPE_GENERAL, "certhash", certhash_main },
156 	{ FUNC_TYPE_GENERAL, "ciphers", ciphers_main },
157 #ifndef OPENSSL_NO_CMS
158 	{ FUNC_TYPE_GENERAL, "cms", cms_main },
159 #endif
160 	{ FUNC_TYPE_GENERAL, "crl2pkcs7", crl2pkcs7_main },
161 	{ FUNC_TYPE_GENERAL, "crl", crl_main },
162 	{ FUNC_TYPE_GENERAL, "dgst", dgst_main },
163 	{ FUNC_TYPE_GENERAL, "enc", enc_main },
164 	{ FUNC_TYPE_GENERAL, "errstr", errstr_main },
165 	{ FUNC_TYPE_GENERAL, "genpkey", genpkey_main },
166 	{ FUNC_TYPE_GENERAL, "nseq", nseq_main },
167 #ifndef OPENSSL_NO_OCSP
168 	{ FUNC_TYPE_GENERAL, "ocsp", ocsp_main },
169 #endif
170 	{ FUNC_TYPE_GENERAL, "passwd", passwd_main },
171 	{ FUNC_TYPE_GENERAL, "pkcs7", pkcs7_main },
172 	{ FUNC_TYPE_GENERAL, "pkcs8", pkcs8_main },
173 #if !defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_SHA1)
174 	{ FUNC_TYPE_GENERAL, "pkcs12", pkcs12_main },
175 #endif
176 	{ FUNC_TYPE_GENERAL, "pkey", pkey_main },
177 	{ FUNC_TYPE_GENERAL, "pkeyparam", pkeyparam_main },
178 	{ FUNC_TYPE_GENERAL, "pkeyutl", pkeyutl_main },
179 	{ FUNC_TYPE_GENERAL, "prime", prime_main },
180 	{ FUNC_TYPE_GENERAL, "rand", rand_main },
181 	{ FUNC_TYPE_GENERAL, "req", req_main },
182 	{ FUNC_TYPE_GENERAL, "s_client", s_client_main },
183 	{ FUNC_TYPE_GENERAL, "s_server", s_server_main },
184 	{ FUNC_TYPE_GENERAL, "s_time", s_time_main },
185 	{ FUNC_TYPE_GENERAL, "sess_id", sess_id_main },
186 	{ FUNC_TYPE_GENERAL, "smime", smime_main },
187 #ifndef OPENSSL_NO_SPEED
188 	{ FUNC_TYPE_GENERAL, "speed", speed_main },
189 #endif
190 	{ FUNC_TYPE_GENERAL, "spkac", spkac_main },
191 	{ FUNC_TYPE_GENERAL, "ts", ts_main },
192 	{ FUNC_TYPE_GENERAL, "verify", verify_main },
193 	{ FUNC_TYPE_GENERAL, "version", version_main },
194 	{ FUNC_TYPE_GENERAL, "x509", x509_main },
195 
196 #ifndef OPENSSL_NO_DH
197 	{ FUNC_TYPE_GENERAL, "dh", dh_main },
198 	{ FUNC_TYPE_GENERAL, "dhparam", dhparam_main },
199 	{ FUNC_TYPE_GENERAL, "gendh", gendh_main },
200 #endif
201 #ifndef OPENSSL_NO_DSA
202 	{ FUNC_TYPE_GENERAL, "dsa", dsa_main },
203 	{ FUNC_TYPE_GENERAL, "dsaparam", dsaparam_main },
204 	{ FUNC_TYPE_GENERAL, "gendsa", gendsa_main },
205 #endif
206 #ifndef OPENSSL_NO_EC
207 	{ FUNC_TYPE_GENERAL, "ec", ec_main },
208 	{ FUNC_TYPE_GENERAL, "ecparam", ecparam_main },
209 #endif
210 #ifndef OPENSSL_NO_RSA
211 	{ FUNC_TYPE_GENERAL, "genrsa", genrsa_main },
212 	{ FUNC_TYPE_GENERAL, "rsa", rsa_main },
213 	{ FUNC_TYPE_GENERAL, "rsautl", rsautl_main },
214 #endif
215 
216 	/* Message Digests. */
217 #ifndef OPENSSL_NO_GOST
218 	{ FUNC_TYPE_MD, "gost-mac", dgst_main },
219 	{ FUNC_TYPE_MD, "md_gost94", dgst_main },
220 	{ FUNC_TYPE_MD, "streebog256", dgst_main },
221 	{ FUNC_TYPE_MD, "streebog512", dgst_main },
222 #endif
223 #ifndef OPENSSL_NO_MD4
224 	{ FUNC_TYPE_MD, "md4", dgst_main },
225 #endif
226 #ifndef OPENSSL_NO_MD5
227 	{ FUNC_TYPE_MD, "md5", dgst_main },
228 #endif
229 #ifndef OPENSSL_NO_RIPEMD160
230 	{ FUNC_TYPE_MD, "ripemd160", dgst_main },
231 #endif
232 #ifndef OPENSSL_NO_SHA1
233 	{ FUNC_TYPE_MD, "sha1", dgst_main },
234 #endif
235 #ifndef OPENSSL_NO_SHA224
236 	{ FUNC_TYPE_MD, "sha224", dgst_main },
237 #endif
238 #ifndef OPENSSL_NO_SHA256
239 	{ FUNC_TYPE_MD, "sha256", dgst_main },
240 #endif
241 #ifndef OPENSSL_NO_SHA384
242 	{ FUNC_TYPE_MD, "sha384", dgst_main },
243 #endif
244 #ifndef OPENSSL_NO_SHA512
245 	{ FUNC_TYPE_MD, "sha512", dgst_main },
246 #endif
247 #ifndef OPENSSL_NO_SM3
248 	{ FUNC_TYPE_MD, "sm3", dgst_main },
249 	{ FUNC_TYPE_MD, "sm3WithRSAEncryption", dgst_main },
250 #endif
251 #ifndef OPENSSL_NO_WHIRLPOOL
252 	{ FUNC_TYPE_MD, "whirlpool", dgst_main },
253 #endif
254 
255 	/* Ciphers. */
256 	{ FUNC_TYPE_CIPHER, "base64", enc_main },
257 #ifndef OPENSSL_NO_AES
258 	{ FUNC_TYPE_CIPHER, "aes-128-cbc", enc_main },
259 	{ FUNC_TYPE_CIPHER, "aes-128-ecb", enc_main },
260 	{ FUNC_TYPE_CIPHER, "aes-192-cbc", enc_main },
261 	{ FUNC_TYPE_CIPHER, "aes-192-ecb", enc_main },
262 	{ FUNC_TYPE_CIPHER, "aes-256-cbc", enc_main },
263 	{ FUNC_TYPE_CIPHER, "aes-256-ecb", enc_main },
264 #endif
265 #ifndef OPENSSL_NO_BF
266 	{ FUNC_TYPE_CIPHER, "bf", enc_main },
267 	{ FUNC_TYPE_CIPHER, "bf-cbc", enc_main },
268 	{ FUNC_TYPE_CIPHER, "bf-ecb", enc_main },
269 	{ FUNC_TYPE_CIPHER, "bf-cfb", enc_main },
270 	{ FUNC_TYPE_CIPHER, "bf-ofb", enc_main },
271 #endif
272 #ifndef OPENSSL_NO_CAMELLIA
273 	{ FUNC_TYPE_CIPHER, "camellia-128-cbc", enc_main },
274 	{ FUNC_TYPE_CIPHER, "camellia-128-ecb", enc_main },
275 	{ FUNC_TYPE_CIPHER, "camellia-192-cbc", enc_main },
276 	{ FUNC_TYPE_CIPHER, "camellia-192-ecb", enc_main },
277 	{ FUNC_TYPE_CIPHER, "camellia-256-cbc", enc_main },
278 	{ FUNC_TYPE_CIPHER, "camellia-256-ecb", enc_main },
279 #endif
280 #ifndef OPENSSL_NO_CAST
281 	{ FUNC_TYPE_CIPHER, "cast", enc_main },
282 	{ FUNC_TYPE_CIPHER, "cast5-cbc", enc_main },
283 	{ FUNC_TYPE_CIPHER, "cast5-ecb", enc_main },
284 	{ FUNC_TYPE_CIPHER, "cast5-cfb", enc_main },
285 	{ FUNC_TYPE_CIPHER, "cast5-ofb", enc_main },
286 	{ FUNC_TYPE_CIPHER, "cast-cbc", enc_main },
287 #endif
288 #ifndef OPENSSL_NO_CHACHA
289 	{ FUNC_TYPE_CIPHER, "chacha", enc_main },
290 #endif
291 #ifndef OPENSSL_NO_DES
292 	{ FUNC_TYPE_CIPHER, "des", enc_main },
293 	{ FUNC_TYPE_CIPHER, "des3", enc_main },
294 	{ FUNC_TYPE_CIPHER, "desx", enc_main },
295 	{ FUNC_TYPE_CIPHER, "des-ecb", enc_main },
296 	{ FUNC_TYPE_CIPHER, "des-ede", enc_main },
297 	{ FUNC_TYPE_CIPHER, "des-ede3", enc_main },
298 	{ FUNC_TYPE_CIPHER, "des-cbc", enc_main },
299 	{ FUNC_TYPE_CIPHER, "des-ede-cbc", enc_main },
300 	{ FUNC_TYPE_CIPHER, "des-ede3-cbc", enc_main },
301 	{ FUNC_TYPE_CIPHER, "des-cfb", enc_main },
302 	{ FUNC_TYPE_CIPHER, "des-ede-cfb", enc_main },
303 	{ FUNC_TYPE_CIPHER, "des-ede3-cfb", enc_main },
304 	{ FUNC_TYPE_CIPHER, "des-ofb", enc_main },
305 	{ FUNC_TYPE_CIPHER, "des-ede-ofb", enc_main },
306 	{ FUNC_TYPE_CIPHER, "des-ede3-ofb", enc_main },
307 #endif
308 #ifndef OPENSSL_NO_IDEA
309 	{ FUNC_TYPE_CIPHER, "idea", enc_main },
310 	{ FUNC_TYPE_CIPHER, "idea-cbc", enc_main },
311 	{ FUNC_TYPE_CIPHER, "idea-ecb", enc_main },
312 	{ FUNC_TYPE_CIPHER, "idea-cfb", enc_main },
313 	{ FUNC_TYPE_CIPHER, "idea-ofb", enc_main },
314 #endif
315 #ifndef OPENSSL_NO_RC2
316 	{ FUNC_TYPE_CIPHER, "rc2", enc_main },
317 	{ FUNC_TYPE_CIPHER, "rc2-cbc", enc_main },
318 	{ FUNC_TYPE_CIPHER, "rc2-ecb", enc_main },
319 	{ FUNC_TYPE_CIPHER, "rc2-cfb", enc_main },
320 	{ FUNC_TYPE_CIPHER, "rc2-ofb", enc_main },
321 	{ FUNC_TYPE_CIPHER, "rc2-64-cbc", enc_main },
322 	{ FUNC_TYPE_CIPHER, "rc2-40-cbc", enc_main },
323 #endif
324 #ifndef OPENSSL_NO_RC4
325 	{ FUNC_TYPE_CIPHER, "rc4", enc_main },
326 	{ FUNC_TYPE_CIPHER, "rc4-40", enc_main },
327 #endif
328 #ifndef OPENSSL_NO_SM4
329 	{ FUNC_TYPE_CIPHER, "sm4", enc_main },
330 	{ FUNC_TYPE_CIPHER, "sm4-ecb", enc_main },
331 	{ FUNC_TYPE_CIPHER, "sm4-cbc", enc_main },
332 	{ FUNC_TYPE_CIPHER, "sm4-ofb", enc_main },
333 	{ FUNC_TYPE_CIPHER, "sm4-cfb", enc_main },
334 #endif
335 #ifdef ZLIB
336 	{ FUNC_TYPE_CIPHER, "zlib", enc_main },
337 #endif
338 
339 	{ 0, NULL, NULL }
340 };
341 
342 static void openssl_startup(void);
343 static void openssl_shutdown(void);
344 
345 /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the
346  * base prototypes (we cast each variable inside the function to the required
347  * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper
348  * functions. */
349 
350 static LHASH_OF(FUNCTION) *prog_init(void);
351 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
352 static void list_pkey(BIO * out);
353 static void list_cipher(BIO * out);
354 static void list_md(BIO * out);
355 char *default_config_file = NULL;
356 
357 CONF *config = NULL;
358 BIO *bio_err = NULL;
359 
360 static void
openssl_startup(void)361 openssl_startup(void)
362 {
363 #ifndef _WIN32
364 	signal(SIGPIPE, SIG_IGN);
365 #endif
366 
367 	OpenSSL_add_all_algorithms();
368 	SSL_library_init();
369 	SSL_load_error_strings();
370 
371 	setup_ui();
372 }
373 
374 static void
openssl_shutdown(void)375 openssl_shutdown(void)
376 {
377 	CONF_modules_unload(1);
378 	destroy_ui();
379 	OBJ_cleanup();
380 	EVP_cleanup();
381 	CRYPTO_cleanup_all_ex_data();
382 	ERR_remove_thread_state(NULL);
383 	ERR_free_strings();
384 }
385 
386 int
main(int argc,char ** argv)387 main(int argc, char **argv)
388 {
389 	ARGS arg;
390 #define PROG_NAME_SIZE	39
391 	char pname[PROG_NAME_SIZE + 1];
392 	FUNCTION f, *fp;
393 	const char *prompt;
394 	char buf[1024];
395 	char *to_free = NULL;
396 	int n, i, ret = 0;
397 	char *p;
398 	LHASH_OF(FUNCTION) * prog = NULL;
399 	long errline;
400 
401 	arg.data = NULL;
402 	arg.count = 0;
403 
404 	if (pledge("stdio cpath wpath rpath inet dns proc flock tty", NULL) == -1) {
405 		fprintf(stderr, "openssl: pledge: %s\n", strerror(errno));
406 		exit(1);
407 	}
408 
409 	bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
410 	if (bio_err == NULL) {
411 		fprintf(stderr, "openssl: failed to initialise bio_err\n");
412 		exit(1);
413 	}
414 
415 	if (BIO_sock_init() != 1) {
416 		BIO_printf(bio_err, "BIO_sock_init failed\n");
417 		exit(1);
418 	}
419 
420 	openssl_startup();
421 
422 	/* Lets load up our environment a little */
423 	p = getenv("OPENSSL_CONF");
424 	if (p == NULL) {
425 		p = to_free = make_config_name();
426 		if (p == NULL) {
427 			BIO_printf(bio_err, "error making config file name\n");
428 			goto end;
429 		}
430 	}
431 
432 	default_config_file = p;
433 
434 	config = NCONF_new(NULL);
435 	i = NCONF_load(config, p, &errline);
436 	if (i == 0) {
437 		if (ERR_GET_REASON(ERR_peek_last_error()) ==
438 		    CONF_R_NO_SUCH_FILE) {
439 			BIO_printf(bio_err,
440 			    "WARNING: can't open config file: %s\n", p);
441 			ERR_clear_error();
442 			NCONF_free(config);
443 			config = NULL;
444 		} else {
445 			ERR_print_errors(bio_err);
446 			NCONF_free(config);
447 			exit(1);
448 		}
449 	}
450 
451 	if (!load_config(bio_err, NULL)) {
452 		BIO_printf(bio_err, "failed to load configuration\n");
453 		goto end;
454 	}
455 
456 	prog = prog_init();
457 
458 	/* first check the program name */
459 	program_name(argv[0], pname, sizeof pname);
460 
461 	f.name = pname;
462 	fp = lh_FUNCTION_retrieve(prog, &f);
463 	if (fp != NULL) {
464 		argv[0] = pname;
465 
466 		single_execution = 1;
467 		ret = fp->func(argc, argv);
468 		goto end;
469 	}
470 	/*
471 	 * ok, now check that there are not arguments, if there are, run with
472 	 * them, shifting the ssleay off the front
473 	 */
474 	if (argc != 1) {
475 		argc--;
476 		argv++;
477 
478 		single_execution = 1;
479 		ret = do_cmd(prog, argc, argv);
480 		if (ret < 0)
481 			ret = 0;
482 		goto end;
483 	}
484 	/* ok, lets enter the old 'OpenSSL>' mode */
485 
486 	for (;;) {
487 		ret = 0;
488 		p = buf;
489 		n = sizeof buf;
490 		i = 0;
491 		for (;;) {
492 			p[0] = '\0';
493 			if (i++)
494 				prompt = ">";
495 			else
496 				prompt = "OpenSSL> ";
497 			fputs(prompt, stdout);
498 			fflush(stdout);
499 			if (!fgets(p, n, stdin))
500 				goto end;
501 			if (p[0] == '\0')
502 				goto end;
503 			i = strlen(p);
504 			if (i <= 1)
505 				break;
506 			if (p[i - 2] != '\\')
507 				break;
508 			i -= 2;
509 			p += i;
510 			n -= i;
511 		}
512 		if (!chopup_args(&arg, buf, &argc, &argv))
513 			break;
514 
515 		ret = do_cmd(prog, argc, argv);
516 		if (ret < 0) {
517 			ret = 0;
518 			goto end;
519 		}
520 		if (ret != 0)
521 			BIO_printf(bio_err, "error in %s\n", argv[0]);
522 		(void) BIO_flush(bio_err);
523 	}
524 	BIO_printf(bio_err, "bad exit\n");
525 	ret = 1;
526 
527  end:
528 	free(to_free);
529 
530 	if (config != NULL) {
531 		NCONF_free(config);
532 		config = NULL;
533 	}
534 	if (prog != NULL)
535 		lh_FUNCTION_free(prog);
536 	free(arg.data);
537 
538 	openssl_shutdown();
539 
540 	if (bio_err != NULL) {
541 		BIO_free(bio_err);
542 		bio_err = NULL;
543 	}
544 	return (ret);
545 }
546 
547 #define LIST_STANDARD_COMMANDS "list-standard-commands"
548 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
549 #define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms"
550 #define LIST_CIPHER_COMMANDS "list-cipher-commands"
551 #define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms"
552 #define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms"
553 
554 
555 static int
do_cmd(LHASH_OF (FUNCTION)* prog,int argc,char * argv[])556 do_cmd(LHASH_OF(FUNCTION) * prog, int argc, char *argv[])
557 {
558 	FUNCTION f, *fp;
559 	int i, ret = 1, tp, nl;
560 
561 	if ((argc <= 0) || (argv[0] == NULL)) {
562 		ret = 0;
563 		goto end;
564 	}
565 	f.name = argv[0];
566 	fp = lh_FUNCTION_retrieve(prog, &f);
567 	if (fp == NULL) {
568 		if (EVP_get_digestbyname(argv[0])) {
569 			f.type = FUNC_TYPE_MD;
570 			f.func = dgst_main;
571 			fp = &f;
572 		} else if (EVP_get_cipherbyname(argv[0])) {
573 			f.type = FUNC_TYPE_CIPHER;
574 			f.func = enc_main;
575 			fp = &f;
576 		}
577 	}
578 	if (fp != NULL) {
579 		ret = fp->func(argc, argv);
580 	} else if ((strncmp(argv[0], "no-", 3)) == 0) {
581 		BIO *bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
582 		f.name = argv[0] + 3;
583 		ret = (lh_FUNCTION_retrieve(prog, &f) != NULL);
584 		if (!ret)
585 			BIO_printf(bio_stdout, "%s\n", argv[0]);
586 		else
587 			BIO_printf(bio_stdout, "%s\n", argv[0] + 3);
588 		BIO_free_all(bio_stdout);
589 		goto end;
590 	} else if ((strcmp(argv[0], "quit") == 0) ||
591 	    (strcmp(argv[0], "q") == 0) ||
592 	    (strcmp(argv[0], "exit") == 0) ||
593 	    (strcmp(argv[0], "bye") == 0)) {
594 		ret = -1;
595 		goto end;
596 	} else if ((strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0) ||
597 	    (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
598 	    (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) ||
599 	    (strcmp(argv[0], LIST_CIPHER_COMMANDS) == 0) ||
600 	    (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0) ||
601 	    (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)) {
602 		int list_type;
603 		BIO *bio_stdout;
604 
605 		if (strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0)
606 			list_type = FUNC_TYPE_GENERAL;
607 		else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0)
608 			list_type = FUNC_TYPE_MD;
609 		else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0)
610 			list_type = FUNC_TYPE_MD_ALG;
611 		else if (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)
612 			list_type = FUNC_TYPE_PKEY;
613 		else if (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0)
614 			list_type = FUNC_TYPE_CIPHER_ALG;
615 		else		/* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
616 			list_type = FUNC_TYPE_CIPHER;
617 		bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
618 
619 		if (list_type == FUNC_TYPE_PKEY)
620 			list_pkey(bio_stdout);
621 		if (list_type == FUNC_TYPE_MD_ALG)
622 			list_md(bio_stdout);
623 		if (list_type == FUNC_TYPE_CIPHER_ALG)
624 			list_cipher(bio_stdout);
625 		else {
626 			for (fp = functions; fp->name != NULL; fp++)
627 				if (fp->type == list_type)
628 					BIO_printf(bio_stdout, "%s\n",
629 					    fp->name);
630 		}
631 		BIO_free_all(bio_stdout);
632 		ret = 0;
633 		goto end;
634 	} else {
635 		BIO_printf(bio_err,
636 		    "openssl:Error: '%s' is an invalid command.\n",
637 		    argv[0]);
638 		BIO_printf(bio_err, "\nStandard commands");
639 		i = 0;
640 		tp = 0;
641 		for (fp = functions; fp->name != NULL; fp++) {
642 			nl = 0;
643 #ifdef OPENSSL_NO_CAMELLIA
644 			if (((i++) % 5) == 0)
645 #else
646 			if (((i++) % 4) == 0)
647 #endif
648 			{
649 				BIO_printf(bio_err, "\n");
650 				nl = 1;
651 			}
652 			if (fp->type != tp) {
653 				tp = fp->type;
654 				if (!nl)
655 					BIO_printf(bio_err, "\n");
656 				if (tp == FUNC_TYPE_MD) {
657 					i = 1;
658 					BIO_printf(bio_err,
659 					    "\nMessage Digest commands (see the `dgst' command for more details)\n");
660 				} else if (tp == FUNC_TYPE_CIPHER) {
661 					i = 1;
662 					BIO_printf(bio_err, "\nCipher commands (see the `enc' command for more details)\n");
663 				}
664 			}
665 #ifdef OPENSSL_NO_CAMELLIA
666 			BIO_printf(bio_err, "%-15s", fp->name);
667 #else
668 			BIO_printf(bio_err, "%-18s", fp->name);
669 #endif
670 		}
671 		BIO_printf(bio_err, "\n\n");
672 		ret = 0;
673 	}
674  end:
675 	return (ret);
676 }
677 
678 static int
SortFnByName(const void * _f1,const void * _f2)679 SortFnByName(const void *_f1, const void *_f2)
680 {
681 	const FUNCTION *f1 = _f1;
682 	const FUNCTION *f2 = _f2;
683 
684 	if (f1->type != f2->type)
685 		return f1->type - f2->type;
686 	return strcmp(f1->name, f2->name);
687 }
688 
689 static void
list_pkey(BIO * out)690 list_pkey(BIO * out)
691 {
692 	int i;
693 
694 	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
695 		const EVP_PKEY_ASN1_METHOD *ameth;
696 		int pkey_id, pkey_base_id, pkey_flags;
697 		const char *pinfo, *pem_str;
698 		ameth = EVP_PKEY_asn1_get0(i);
699 		EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
700 		    &pinfo, &pem_str, ameth);
701 		if (pkey_flags & ASN1_PKEY_ALIAS) {
702 			BIO_printf(out, "Name: %s\n",
703 			    OBJ_nid2ln(pkey_id));
704 			BIO_printf(out, "\tType: Alias to %s\n",
705 			    OBJ_nid2ln(pkey_base_id));
706 		} else {
707 			BIO_printf(out, "Name: %s\n", pinfo);
708 			BIO_printf(out, "\tType: %s Algorithm\n",
709 			    pkey_flags & ASN1_PKEY_DYNAMIC ?
710 			    "External" : "Builtin");
711 			BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
712 			if (pem_str == NULL)
713 				pem_str = "(none)";
714 			BIO_printf(out, "\tPEM string: %s\n", pem_str);
715 		}
716 
717 	}
718 }
719 
720 static void
list_cipher_fn(const EVP_CIPHER * c,const char * from,const char * to,void * arg)721 list_cipher_fn(const EVP_CIPHER * c, const char *from, const char *to,
722     void *arg)
723 {
724 	if (c)
725 		BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
726 	else {
727 		if (!from)
728 			from = "<undefined>";
729 		if (!to)
730 			to = "<undefined>";
731 		BIO_printf(arg, "%s => %s\n", from, to);
732 	}
733 }
734 
735 static void
list_cipher(BIO * out)736 list_cipher(BIO * out)
737 {
738 	EVP_CIPHER_do_all_sorted(list_cipher_fn, out);
739 }
740 
741 static void
list_md_fn(const EVP_MD * m,const char * from,const char * to,void * arg)742 list_md_fn(const EVP_MD * m, const char *from, const char *to, void *arg)
743 {
744 	if (m)
745 		BIO_printf(arg, "%s\n", EVP_MD_name(m));
746 	else {
747 		if (!from)
748 			from = "<undefined>";
749 		if (!to)
750 			to = "<undefined>";
751 		BIO_printf(arg, "%s => %s\n", from, to);
752 	}
753 }
754 
755 static void
list_md(BIO * out)756 list_md(BIO * out)
757 {
758 	EVP_MD_do_all_sorted(list_md_fn, out);
759 }
760 
761 static int
function_cmp(const FUNCTION * a,const FUNCTION * b)762 function_cmp(const FUNCTION * a, const FUNCTION * b)
763 {
764 	return strncmp(a->name, b->name, 8);
765 }
766 
IMPLEMENT_LHASH_COMP_FN(function,FUNCTION)767 static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
768 
769 static unsigned long
770 function_hash(const FUNCTION * a)
771 {
772 	return lh_strhash(a->name);
773 }
774 
IMPLEMENT_LHASH_HASH_FN(function,FUNCTION)775 static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
776 
777 static LHASH_OF(FUNCTION) *
778 prog_init(void)
779 {
780 	LHASH_OF(FUNCTION) * ret;
781 	FUNCTION *f;
782 	size_t i;
783 
784 	/* Purely so it looks nice when the user hits ? */
785 	for (i = 0, f = functions; f->name != NULL; ++f, ++i)
786 		;
787 	qsort(functions, i, sizeof *functions, SortFnByName);
788 
789 	if ((ret = lh_FUNCTION_new()) == NULL)
790 		return (NULL);
791 
792 	for (f = functions; f->name != NULL; f++)
793 		(void) lh_FUNCTION_insert(ret, f);
794 	return (ret);
795 }
796