1 /* $OpenBSD: openssl.c,v 1.22 2015/12/01 01:24:47 beck 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_WHIRLPOOL
248 	{ FUNC_TYPE_MD, "whirlpool", dgst_main },
249 #endif
250 
251 	/* Ciphers. */
252 	{ FUNC_TYPE_CIPHER, "base64", enc_main },
253 #ifndef OPENSSL_NO_AES
254 	{ FUNC_TYPE_CIPHER, "aes-128-cbc", enc_main },
255 	{ FUNC_TYPE_CIPHER, "aes-128-ecb", enc_main },
256 	{ FUNC_TYPE_CIPHER, "aes-192-cbc", enc_main },
257 	{ FUNC_TYPE_CIPHER, "aes-192-ecb", enc_main },
258 	{ FUNC_TYPE_CIPHER, "aes-256-cbc", enc_main },
259 	{ FUNC_TYPE_CIPHER, "aes-256-ecb", enc_main },
260 #endif
261 #ifndef OPENSSL_NO_BF
262 	{ FUNC_TYPE_CIPHER, "bf", enc_main },
263 	{ FUNC_TYPE_CIPHER, "bf-cbc", enc_main },
264 	{ FUNC_TYPE_CIPHER, "bf-ecb", enc_main },
265 	{ FUNC_TYPE_CIPHER, "bf-cfb", enc_main },
266 	{ FUNC_TYPE_CIPHER, "bf-ofb", enc_main },
267 #endif
268 #ifndef OPENSSL_NO_CAMELLIA
269 	{ FUNC_TYPE_CIPHER, "camellia-128-cbc", enc_main },
270 	{ FUNC_TYPE_CIPHER, "camellia-128-ecb", enc_main },
271 	{ FUNC_TYPE_CIPHER, "camellia-192-cbc", enc_main },
272 	{ FUNC_TYPE_CIPHER, "camellia-192-ecb", enc_main },
273 	{ FUNC_TYPE_CIPHER, "camellia-256-cbc", enc_main },
274 	{ FUNC_TYPE_CIPHER, "camellia-256-ecb", enc_main },
275 #endif
276 #ifndef OPENSSL_NO_CAST
277 	{ FUNC_TYPE_CIPHER, "cast", enc_main },
278 	{ FUNC_TYPE_CIPHER, "cast5-cbc", enc_main },
279 	{ FUNC_TYPE_CIPHER, "cast5-ecb", enc_main },
280 	{ FUNC_TYPE_CIPHER, "cast5-cfb", enc_main },
281 	{ FUNC_TYPE_CIPHER, "cast5-ofb", enc_main },
282 	{ FUNC_TYPE_CIPHER, "cast-cbc", enc_main },
283 #endif
284 #ifndef OPENSSL_NO_CHACHA
285 	{ FUNC_TYPE_CIPHER, "chacha", enc_main },
286 #endif
287 #ifndef OPENSSL_NO_DES
288 	{ FUNC_TYPE_CIPHER, "des", enc_main },
289 	{ FUNC_TYPE_CIPHER, "des3", enc_main },
290 	{ FUNC_TYPE_CIPHER, "desx", enc_main },
291 	{ FUNC_TYPE_CIPHER, "des-ecb", enc_main },
292 	{ FUNC_TYPE_CIPHER, "des-ede", enc_main },
293 	{ FUNC_TYPE_CIPHER, "des-ede3", enc_main },
294 	{ FUNC_TYPE_CIPHER, "des-cbc", enc_main },
295 	{ FUNC_TYPE_CIPHER, "des-ede-cbc", enc_main },
296 	{ FUNC_TYPE_CIPHER, "des-ede3-cbc", enc_main },
297 	{ FUNC_TYPE_CIPHER, "des-cfb", enc_main },
298 	{ FUNC_TYPE_CIPHER, "des-ede-cfb", enc_main },
299 	{ FUNC_TYPE_CIPHER, "des-ede3-cfb", enc_main },
300 	{ FUNC_TYPE_CIPHER, "des-ofb", enc_main },
301 	{ FUNC_TYPE_CIPHER, "des-ede-ofb", enc_main },
302 	{ FUNC_TYPE_CIPHER, "des-ede3-ofb", enc_main },
303 #endif
304 #ifndef OPENSSL_NO_IDEA
305 	{ FUNC_TYPE_CIPHER, "idea", enc_main },
306 	{ FUNC_TYPE_CIPHER, "idea-cbc", enc_main },
307 	{ FUNC_TYPE_CIPHER, "idea-ecb", enc_main },
308 	{ FUNC_TYPE_CIPHER, "idea-cfb", enc_main },
309 	{ FUNC_TYPE_CIPHER, "idea-ofb", enc_main },
310 #endif
311 #ifndef OPENSSL_NO_RC2
312 	{ FUNC_TYPE_CIPHER, "rc2", enc_main },
313 	{ FUNC_TYPE_CIPHER, "rc2-cbc", enc_main },
314 	{ FUNC_TYPE_CIPHER, "rc2-ecb", enc_main },
315 	{ FUNC_TYPE_CIPHER, "rc2-cfb", enc_main },
316 	{ FUNC_TYPE_CIPHER, "rc2-ofb", enc_main },
317 	{ FUNC_TYPE_CIPHER, "rc2-64-cbc", enc_main },
318 	{ FUNC_TYPE_CIPHER, "rc2-40-cbc", enc_main },
319 #endif
320 #ifndef OPENSSL_NO_RC4
321 	{ FUNC_TYPE_CIPHER, "rc4", enc_main },
322 	{ FUNC_TYPE_CIPHER, "rc4-40", enc_main },
323 #endif
324 #ifdef ZLIB
325 	{ FUNC_TYPE_CIPHER, "zlib", enc_main },
326 #endif
327 
328 	{ 0, NULL, NULL }
329 };
330 
331 static void openssl_startup(void);
332 static void openssl_shutdown(void);
333 
334 /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the
335  * base prototypes (we cast each variable inside the function to the required
336  * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper
337  * functions. */
338 
339 static LHASH_OF(FUNCTION) *prog_init(void);
340 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);
341 static void list_pkey(BIO * out);
342 static void list_cipher(BIO * out);
343 static void list_md(BIO * out);
344 char *default_config_file = NULL;
345 
346 CONF *config = NULL;
347 BIO *bio_err = NULL;
348 
349 static void
350 lock_dbg_cb(int mode, int type, const char *file, int line)
351 {
352 	static int modes[CRYPTO_NUM_LOCKS];	/* = {0, 0, ... } */
353 	const char *errstr = NULL;
354 	int rw;
355 
356 	rw = mode & (CRYPTO_READ | CRYPTO_WRITE);
357 	if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE))) {
358 		errstr = "invalid mode";
359 		goto err;
360 	}
361 	if (type < 0 || type >= CRYPTO_NUM_LOCKS) {
362 		errstr = "type out of bounds";
363 		goto err;
364 	}
365 	if (mode & CRYPTO_LOCK) {
366 		if (modes[type]) {
367 			errstr = "already locked";
368 			/*
369 			 * must not happen in a single-threaded program
370 			 * (would deadlock)
371 			 */
372 			goto err;
373 		}
374 		modes[type] = rw;
375 	} else if (mode & CRYPTO_UNLOCK) {
376 		if (!modes[type]) {
377 			errstr = "not locked";
378 			goto err;
379 		}
380 		if (modes[type] != rw) {
381 			errstr = (rw == CRYPTO_READ) ?
382 			    "CRYPTO_r_unlock on write lock" :
383 			    "CRYPTO_w_unlock on read lock";
384 		}
385 		modes[type] = 0;
386 	} else {
387 		errstr = "invalid mode";
388 		goto err;
389 	}
390 
391 err:
392 	if (errstr) {
393 		/* we cannot use bio_err here */
394 		fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
395 		    errstr, mode, type, file, line);
396 	}
397 }
398 
399 static void
400 openssl_startup(void)
401 {
402 #ifndef _WIN32
403 	signal(SIGPIPE, SIG_IGN);
404 #endif
405 
406 	OpenSSL_add_all_algorithms();
407 	SSL_library_init();
408 	SSL_load_error_strings();
409 
410 	setup_ui();
411 }
412 
413 static void
414 openssl_shutdown(void)
415 {
416 	CONF_modules_unload(1);
417 	destroy_ui();
418 	OBJ_cleanup();
419 	EVP_cleanup();
420 	CRYPTO_cleanup_all_ex_data();
421 	ERR_remove_thread_state(NULL);
422 	ERR_free_strings();
423 }
424 
425 int
426 main(int argc, char **argv)
427 {
428 	ARGS arg;
429 #define PROG_NAME_SIZE	39
430 	char pname[PROG_NAME_SIZE + 1];
431 	FUNCTION f, *fp;
432 	const char *prompt;
433 	char buf[1024];
434 	char *to_free = NULL;
435 	int n, i, ret = 0;
436 	char *p;
437 	LHASH_OF(FUNCTION) * prog = NULL;
438 	long errline;
439 
440 	arg.data = NULL;
441 	arg.count = 0;
442 
443 	if (pledge("stdio inet dns rpath wpath cpath proc flock tty", NULL) == -1) {
444 		fprintf(stderr, "openssl: pledge: %s\n", strerror(errno));
445 		exit(1);
446 	}
447 
448 	bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
449 	if (bio_err == NULL) {
450 		fprintf(stderr, "openssl: failed to initialise bio_err\n");
451 		exit(1);
452 	}
453 
454 	if (BIO_sock_init() != 1) {
455 		BIO_printf(bio_err, "BIO_sock_init failed\n");
456 		exit(1);
457 	}
458 
459 	CRYPTO_set_locking_callback(lock_dbg_cb);
460 
461 	openssl_startup();
462 
463 	/* Lets load up our environment a little */
464 	p = getenv("OPENSSL_CONF");
465 	if (p == NULL) {
466 		p = to_free = make_config_name();
467 		if (p == NULL) {
468 			BIO_printf(bio_err, "error making config file name\n");
469 			goto end;
470 		}
471 	}
472 
473 	default_config_file = p;
474 
475 	config = NCONF_new(NULL);
476 	i = NCONF_load(config, p, &errline);
477 	if (i == 0) {
478 		if (ERR_GET_REASON(ERR_peek_last_error()) ==
479 		    CONF_R_NO_SUCH_FILE) {
480 			BIO_printf(bio_err,
481 			    "WARNING: can't open config file: %s\n", p);
482 			ERR_clear_error();
483 			NCONF_free(config);
484 			config = NULL;
485 		} else {
486 			ERR_print_errors(bio_err);
487 			NCONF_free(config);
488 			exit(1);
489 		}
490 	}
491 
492 	if (!load_config(bio_err, NULL)) {
493 		BIO_printf(bio_err, "failed to load configuration\n");
494 		goto end;
495 	}
496 
497 	prog = prog_init();
498 
499 	/* first check the program name */
500 	program_name(argv[0], pname, sizeof pname);
501 
502 	f.name = pname;
503 	fp = lh_FUNCTION_retrieve(prog, &f);
504 	if (fp != NULL) {
505 		argv[0] = pname;
506 
507 		single_execution = 1;
508 		ret = fp->func(argc, argv);
509 		goto end;
510 	}
511 	/*
512 	 * ok, now check that there are not arguments, if there are, run with
513 	 * them, shifting the ssleay off the front
514 	 */
515 	if (argc != 1) {
516 		argc--;
517 		argv++;
518 
519 		single_execution = 1;
520 		ret = do_cmd(prog, argc, argv);
521 		if (ret < 0)
522 			ret = 0;
523 		goto end;
524 	}
525 	/* ok, lets enter the old 'OpenSSL>' mode */
526 
527 	for (;;) {
528 		ret = 0;
529 		p = buf;
530 		n = sizeof buf;
531 		i = 0;
532 		for (;;) {
533 			p[0] = '\0';
534 			if (i++)
535 				prompt = ">";
536 			else
537 				prompt = "OpenSSL> ";
538 			fputs(prompt, stdout);
539 			fflush(stdout);
540 			if (!fgets(p, n, stdin))
541 				goto end;
542 			if (p[0] == '\0')
543 				goto end;
544 			i = strlen(p);
545 			if (i <= 1)
546 				break;
547 			if (p[i - 2] != '\\')
548 				break;
549 			i -= 2;
550 			p += i;
551 			n -= i;
552 		}
553 		if (!chopup_args(&arg, buf, &argc, &argv))
554 			break;
555 
556 		ret = do_cmd(prog, argc, argv);
557 		if (ret < 0) {
558 			ret = 0;
559 			goto end;
560 		}
561 		if (ret != 0)
562 			BIO_printf(bio_err, "error in %s\n", argv[0]);
563 		(void) BIO_flush(bio_err);
564 	}
565 	BIO_printf(bio_err, "bad exit\n");
566 	ret = 1;
567 
568 end:
569 	free(to_free);
570 
571 	if (config != NULL) {
572 		NCONF_free(config);
573 		config = NULL;
574 	}
575 	if (prog != NULL)
576 		lh_FUNCTION_free(prog);
577 	free(arg.data);
578 
579 	openssl_shutdown();
580 
581 	if (bio_err != NULL) {
582 		BIO_free(bio_err);
583 		bio_err = NULL;
584 	}
585 	return (ret);
586 }
587 
588 #define LIST_STANDARD_COMMANDS "list-standard-commands"
589 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
590 #define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms"
591 #define LIST_CIPHER_COMMANDS "list-cipher-commands"
592 #define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms"
593 #define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms"
594 
595 
596 static int
597 do_cmd(LHASH_OF(FUNCTION) * prog, int argc, char *argv[])
598 {
599 	FUNCTION f, *fp;
600 	int i, ret = 1, tp, nl;
601 
602 	if ((argc <= 0) || (argv[0] == NULL)) {
603 		ret = 0;
604 		goto end;
605 	}
606 	f.name = argv[0];
607 	fp = lh_FUNCTION_retrieve(prog, &f);
608 	if (fp == NULL) {
609 		if (EVP_get_digestbyname(argv[0])) {
610 			f.type = FUNC_TYPE_MD;
611 			f.func = dgst_main;
612 			fp = &f;
613 		} else if (EVP_get_cipherbyname(argv[0])) {
614 			f.type = FUNC_TYPE_CIPHER;
615 			f.func = enc_main;
616 			fp = &f;
617 		}
618 	}
619 	if (fp != NULL) {
620 		ret = fp->func(argc, argv);
621 	} else if ((strncmp(argv[0], "no-", 3)) == 0) {
622 		BIO *bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
623 		f.name = argv[0] + 3;
624 		ret = (lh_FUNCTION_retrieve(prog, &f) != NULL);
625 		if (!ret)
626 			BIO_printf(bio_stdout, "%s\n", argv[0]);
627 		else
628 			BIO_printf(bio_stdout, "%s\n", argv[0] + 3);
629 		BIO_free_all(bio_stdout);
630 		goto end;
631 	} else if ((strcmp(argv[0], "quit") == 0) ||
632 	    (strcmp(argv[0], "q") == 0) ||
633 	    (strcmp(argv[0], "exit") == 0) ||
634 	    (strcmp(argv[0], "bye") == 0)) {
635 		ret = -1;
636 		goto end;
637 	} else if ((strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0) ||
638 	    (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
639 	    (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) ||
640 	    (strcmp(argv[0], LIST_CIPHER_COMMANDS) == 0) ||
641 	    (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0) ||
642 	    (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)) {
643 		int list_type;
644 		BIO *bio_stdout;
645 
646 		if (strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0)
647 			list_type = FUNC_TYPE_GENERAL;
648 		else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0)
649 			list_type = FUNC_TYPE_MD;
650 		else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_ALGORITHMS) == 0)
651 			list_type = FUNC_TYPE_MD_ALG;
652 		else if (strcmp(argv[0], LIST_PUBLIC_KEY_ALGORITHMS) == 0)
653 			list_type = FUNC_TYPE_PKEY;
654 		else if (strcmp(argv[0], LIST_CIPHER_ALGORITHMS) == 0)
655 			list_type = FUNC_TYPE_CIPHER_ALG;
656 		else		/* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
657 			list_type = FUNC_TYPE_CIPHER;
658 		bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE);
659 
660 		if (list_type == FUNC_TYPE_PKEY)
661 			list_pkey(bio_stdout);
662 		if (list_type == FUNC_TYPE_MD_ALG)
663 			list_md(bio_stdout);
664 		if (list_type == FUNC_TYPE_CIPHER_ALG)
665 			list_cipher(bio_stdout);
666 		else {
667 			for (fp = functions; fp->name != NULL; fp++)
668 				if (fp->type == list_type)
669 					BIO_printf(bio_stdout, "%s\n",
670 					    fp->name);
671 		}
672 		BIO_free_all(bio_stdout);
673 		ret = 0;
674 		goto end;
675 	} else {
676 		BIO_printf(bio_err,
677 		    "openssl:Error: '%s' is an invalid command.\n",
678 		    argv[0]);
679 		BIO_printf(bio_err, "\nStandard commands");
680 		i = 0;
681 		tp = 0;
682 		for (fp = functions; fp->name != NULL; fp++) {
683 			nl = 0;
684 #ifdef OPENSSL_NO_CAMELLIA
685 			if (((i++) % 5) == 0)
686 #else
687 			if (((i++) % 4) == 0)
688 #endif
689 			{
690 				BIO_printf(bio_err, "\n");
691 				nl = 1;
692 			}
693 			if (fp->type != tp) {
694 				tp = fp->type;
695 				if (!nl)
696 					BIO_printf(bio_err, "\n");
697 				if (tp == FUNC_TYPE_MD) {
698 					i = 1;
699 					BIO_printf(bio_err,
700 					    "\nMessage Digest commands (see the `dgst' command for more details)\n");
701 				} else if (tp == FUNC_TYPE_CIPHER) {
702 					i = 1;
703 					BIO_printf(bio_err, "\nCipher commands (see the `enc' command for more details)\n");
704 				}
705 			}
706 #ifdef OPENSSL_NO_CAMELLIA
707 			BIO_printf(bio_err, "%-15s", fp->name);
708 #else
709 			BIO_printf(bio_err, "%-18s", fp->name);
710 #endif
711 		}
712 		BIO_printf(bio_err, "\n\n");
713 		ret = 0;
714 	}
715 end:
716 	return (ret);
717 }
718 
719 static int
720 SortFnByName(const void *_f1, const void *_f2)
721 {
722 	const FUNCTION *f1 = _f1;
723 	const FUNCTION *f2 = _f2;
724 
725 	if (f1->type != f2->type)
726 		return f1->type - f2->type;
727 	return strcmp(f1->name, f2->name);
728 }
729 
730 static void
731 list_pkey(BIO * out)
732 {
733 	int i;
734 
735 	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
736 		const EVP_PKEY_ASN1_METHOD *ameth;
737 		int pkey_id, pkey_base_id, pkey_flags;
738 		const char *pinfo, *pem_str;
739 		ameth = EVP_PKEY_asn1_get0(i);
740 		EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
741 		    &pinfo, &pem_str, ameth);
742 		if (pkey_flags & ASN1_PKEY_ALIAS) {
743 			BIO_printf(out, "Name: %s\n",
744 			    OBJ_nid2ln(pkey_id));
745 			BIO_printf(out, "\tType: Alias to %s\n",
746 			    OBJ_nid2ln(pkey_base_id));
747 		} else {
748 			BIO_printf(out, "Name: %s\n", pinfo);
749 			BIO_printf(out, "\tType: %s Algorithm\n",
750 			    pkey_flags & ASN1_PKEY_DYNAMIC ?
751 			    "External" : "Builtin");
752 			BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
753 			if (pem_str == NULL)
754 				pem_str = "(none)";
755 			BIO_printf(out, "\tPEM string: %s\n", pem_str);
756 		}
757 
758 	}
759 }
760 
761 static void
762 list_cipher_fn(const EVP_CIPHER * c, const char *from, const char *to,
763     void *arg)
764 {
765 	if (c)
766 		BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
767 	else {
768 		if (!from)
769 			from = "<undefined>";
770 		if (!to)
771 			to = "<undefined>";
772 		BIO_printf(arg, "%s => %s\n", from, to);
773 	}
774 }
775 
776 static void
777 list_cipher(BIO * out)
778 {
779 	EVP_CIPHER_do_all_sorted(list_cipher_fn, out);
780 }
781 
782 static void
783 list_md_fn(const EVP_MD * m, const char *from, const char *to, void *arg)
784 {
785 	if (m)
786 		BIO_printf(arg, "%s\n", EVP_MD_name(m));
787 	else {
788 		if (!from)
789 			from = "<undefined>";
790 		if (!to)
791 			to = "<undefined>";
792 		BIO_printf(arg, "%s => %s\n", from, to);
793 	}
794 }
795 
796 static void
797 list_md(BIO * out)
798 {
799 	EVP_MD_do_all_sorted(list_md_fn, out);
800 }
801 
802 static int
803 function_cmp(const FUNCTION * a, const FUNCTION * b)
804 {
805 	return strncmp(a->name, b->name, 8);
806 }
807 
808 static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
809 
810 static unsigned long
811 function_hash(const FUNCTION * a)
812 {
813 	return lh_strhash(a->name);
814 }
815 
816 static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
817 
818 static LHASH_OF(FUNCTION) *
819 prog_init(void)
820 {
821 	LHASH_OF(FUNCTION) * ret;
822 	FUNCTION *f;
823 	size_t i;
824 
825 	/* Purely so it looks nice when the user hits ? */
826 	for (i = 0, f = functions; f->name != NULL; ++f, ++i)
827 		;
828 	qsort(functions, i, sizeof *functions, SortFnByName);
829 
830 	if ((ret = lh_FUNCTION_new()) == NULL)
831 		return (NULL);
832 
833 	for (f = functions; f->name != NULL; f++)
834 		(void) lh_FUNCTION_insert(ret, f);
835 	return (ret);
836 }
837