xref: /freebsd/crypto/openssl/apps/openssl.c (revision 3823d5e198425b4f5e5a80267d195769d1063773)
1 /* apps/openssl.c */
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 
113 #include <stdio.h>
114 #include <string.h>
115 #include <stdlib.h>
116 #define OPENSSL_C /* tells apps.h to use complete apps_startup() */
117 #include "apps.h"
118 #include <openssl/bio.h>
119 #include <openssl/crypto.h>
120 #include <openssl/rand.h>
121 #include <openssl/lhash.h>
122 #include <openssl/conf.h>
123 #include <openssl/x509.h>
124 #include <openssl/pem.h>
125 #include <openssl/ssl.h>
126 #ifndef OPENSSL_NO_ENGINE
127 #include <openssl/engine.h>
128 #endif
129 #define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
130 #include "progs.h"
131 #include "s_apps.h"
132 #include <openssl/err.h>
133 #ifdef OPENSSL_FIPS
134 #include <openssl/fips.h>
135 #endif
136 
137 /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the
138  * base prototypes (we cast each variable inside the function to the required
139  * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper
140  * functions. */
141 
142 static LHASH_OF(FUNCTION) *prog_init(void );
143 static int do_cmd(LHASH_OF(FUNCTION) *prog,int argc,char *argv[]);
144 static void list_pkey(BIO *out);
145 static void list_cipher(BIO *out);
146 static void list_md(BIO *out);
147 char *default_config_file=NULL;
148 
149 /* Make sure there is only one when MONOLITH is defined */
150 #ifdef MONOLITH
151 CONF *config=NULL;
152 BIO *bio_err=NULL;
153 #endif
154 
155 
156 static void lock_dbg_cb(int mode, int type, const char *file, int line)
157 	{
158 	static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
159 	const char *errstr = NULL;
160 	int rw;
161 
162 	rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
163 	if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
164 		{
165 		errstr = "invalid mode";
166 		goto err;
167 		}
168 
169 	if (type < 0 || type >= CRYPTO_NUM_LOCKS)
170 		{
171 		errstr = "type out of bounds";
172 		goto err;
173 		}
174 
175 	if (mode & CRYPTO_LOCK)
176 		{
177 		if (modes[type])
178 			{
179 			errstr = "already locked";
180 			/* must not happen in a single-threaded program
181 			 * (would deadlock) */
182 			goto err;
183 			}
184 
185 		modes[type] = rw;
186 		}
187 	else if (mode & CRYPTO_UNLOCK)
188 		{
189 		if (!modes[type])
190 			{
191 			errstr = "not locked";
192 			goto err;
193 			}
194 
195 		if (modes[type] != rw)
196 			{
197 			errstr = (rw == CRYPTO_READ) ?
198 				"CRYPTO_r_unlock on write lock" :
199 				"CRYPTO_w_unlock on read lock";
200 			}
201 
202 		modes[type] = 0;
203 		}
204 	else
205 		{
206 		errstr = "invalid mode";
207 		goto err;
208 		}
209 
210  err:
211 	if (errstr)
212 		{
213 		/* we cannot use bio_err here */
214 		fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
215 			errstr, mode, type, file, line);
216 		}
217 	}
218 
219 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
220 # define ARGV _Argv
221 #else
222 # define ARGV Argv
223 #endif
224 
225 int main(int Argc, char *ARGV[])
226 	{
227 	ARGS arg;
228 #define PROG_NAME_SIZE	39
229 	char pname[PROG_NAME_SIZE+1];
230 	FUNCTION f,*fp;
231 	MS_STATIC const char *prompt;
232 	MS_STATIC char buf[1024];
233 	char *to_free=NULL;
234 	int n,i,ret=0;
235 	int argc;
236 	char **argv,*p;
237 	LHASH_OF(FUNCTION) *prog=NULL;
238 	long errline;
239 
240 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
241 	/* 2011-03-22 SMS.
242 	 * If we have 32-bit pointers everywhere, then we're safe, and
243 	 * we bypass this mess, as on non-VMS systems.  (See ARGV,
244 	 * above.)
245 	 * Problem 1: Compaq/HP C before V7.3 always used 32-bit
246 	 * pointers for argv[].
247 	 * Fix 1: For a 32-bit argv[], when we're using 64-bit pointers
248 	 * everywhere else, we always allocate and use a 64-bit
249 	 * duplicate of argv[].
250 	 * Problem 2: Compaq/HP C V7.3 (Alpha, IA64) before ECO1 failed
251 	 * to NULL-terminate a 64-bit argv[].  (As this was written, the
252 	 * compiler ECO was available only on IA64.)
253 	 * Fix 2: Unless advised not to (VMS_TRUST_ARGV), we test a
254 	 * 64-bit argv[argc] for NULL, and, if necessary, use a
255 	 * (properly) NULL-terminated (64-bit) duplicate of argv[].
256 	 * The same code is used in either case to duplicate argv[].
257 	 * Some of these decisions could be handled in preprocessing,
258 	 * but the code tends to get even uglier, and the penalty for
259 	 * deciding at compile- or run-time is tiny.
260 	 */
261 	char **Argv = NULL;
262 	int free_Argv = 0;
263 
264 	if ((sizeof( _Argv) < 8)        /* 32-bit argv[]. */
265 # if !defined( VMS_TRUST_ARGV)
266 	 || (_Argv[ Argc] != NULL)      /* Untrusted argv[argc] not NULL. */
267 # endif
268 		)
269 		{
270 		int i;
271 		Argv = OPENSSL_malloc( (Argc+ 1)* sizeof( char *));
272 		if (Argv == NULL)
273 			{ ret = -1; goto end; }
274 		for(i = 0; i < Argc; i++)
275 			Argv[i] = _Argv[i];
276 		Argv[ Argc] = NULL;     /* Certain NULL termination. */
277 		free_Argv = 1;
278 		}
279 	else
280 		{
281 		/* Use the known-good 32-bit argv[] (which needs the
282 		 * type cast to satisfy the compiler), or the trusted or
283 		 * tested-good 64-bit argv[] as-is. */
284 		Argv = (char **)_Argv;
285 		}
286 #endif /* defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64) */
287 
288 	arg.data=NULL;
289 	arg.count=0;
290 
291 	if (bio_err == NULL)
292 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
293 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
294 
295 	if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) /* if not defined, use compiled-in library defaults */
296 		{
297 		if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off")))
298 			{
299 			CRYPTO_malloc_debug_init();
300 			CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
301 			}
302 		else
303 			{
304 			/* OPENSSL_DEBUG_MEMORY=off */
305 			CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
306 			}
307 		}
308 	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
309 
310 #if 0
311 	if (getenv("OPENSSL_DEBUG_LOCKING") != NULL)
312 #endif
313 		{
314 		CRYPTO_set_locking_callback(lock_dbg_cb);
315 		}
316 
317 	if(getenv("OPENSSL_FIPS")) {
318 #ifdef OPENSSL_FIPS
319 		if (!FIPS_mode_set(1)) {
320 			ERR_load_crypto_strings();
321 			ERR_print_errors(BIO_new_fp(stderr,BIO_NOCLOSE));
322 			EXIT(1);
323 		}
324 #else
325 		fprintf(stderr, "FIPS mode not supported.\n");
326 		EXIT(1);
327 #endif
328 		}
329 
330 	apps_startup();
331 
332 	/* Lets load up our environment a little */
333 	p=getenv("OPENSSL_CONF");
334 	if (p == NULL)
335 		p=getenv("SSLEAY_CONF");
336 	if (p == NULL)
337 		p=to_free=make_config_name();
338 
339 	default_config_file=p;
340 
341 	config=NCONF_new(NULL);
342 	i=NCONF_load(config,p,&errline);
343 	if (i == 0)
344 		{
345 		if (ERR_GET_REASON(ERR_peek_last_error())
346 		    == CONF_R_NO_SUCH_FILE)
347 			{
348 			BIO_printf(bio_err,
349 				   "WARNING: can't open config file: %s\n",p);
350 			ERR_clear_error();
351 			NCONF_free(config);
352 			config = NULL;
353 			}
354 		else
355 			{
356 			ERR_print_errors(bio_err);
357 			NCONF_free(config);
358 			exit(1);
359 			}
360 		}
361 
362 	prog=prog_init();
363 
364 	/* first check the program name */
365 	program_name(Argv[0],pname,sizeof pname);
366 
367 	f.name=pname;
368 	fp=lh_FUNCTION_retrieve(prog,&f);
369 	if (fp != NULL)
370 		{
371 		Argv[0]=pname;
372 		ret=fp->func(Argc,Argv);
373 		goto end;
374 		}
375 
376 	/* ok, now check that there are not arguments, if there are,
377 	 * run with them, shifting the ssleay off the front */
378 	if (Argc != 1)
379 		{
380 		Argc--;
381 		Argv++;
382 		ret=do_cmd(prog,Argc,Argv);
383 		if (ret < 0) ret=0;
384 		goto end;
385 		}
386 
387 	/* ok, lets enter the old 'OpenSSL>' mode */
388 
389 	for (;;)
390 		{
391 		ret=0;
392 		p=buf;
393 		n=sizeof buf;
394 		i=0;
395 		for (;;)
396 			{
397 			p[0]='\0';
398 			if (i++)
399 				prompt=">";
400 			else	prompt="OpenSSL> ";
401 			fputs(prompt,stdout);
402 			fflush(stdout);
403 			if (!fgets(p,n,stdin))
404 				goto end;
405 			if (p[0] == '\0') goto end;
406 			i=strlen(p);
407 			if (i <= 1) break;
408 			if (p[i-2] != '\\') break;
409 			i-=2;
410 			p+=i;
411 			n-=i;
412 			}
413 		if (!chopup_args(&arg,buf,&argc,&argv)) break;
414 
415 		ret=do_cmd(prog,argc,argv);
416 		if (ret < 0)
417 			{
418 			ret=0;
419 			goto end;
420 			}
421 		if (ret != 0)
422 			BIO_printf(bio_err,"error in %s\n",argv[0]);
423 		(void)BIO_flush(bio_err);
424 		}
425 	BIO_printf(bio_err,"bad exit\n");
426 	ret=1;
427 end:
428 	if (to_free)
429 		OPENSSL_free(to_free);
430 	if (config != NULL)
431 		{
432 		NCONF_free(config);
433 		config=NULL;
434 		}
435 	if (prog != NULL) lh_FUNCTION_free(prog);
436 	if (arg.data != NULL) OPENSSL_free(arg.data);
437 
438 	apps_shutdown();
439 
440 	CRYPTO_mem_leaks(bio_err);
441 	if (bio_err != NULL)
442 		{
443 		BIO_free(bio_err);
444 		bio_err=NULL;
445 		}
446 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
447 	/* Free any duplicate Argv[] storage. */
448 	if (free_Argv)
449 		{
450 		OPENSSL_free(Argv);
451 		}
452 #endif
453 	OPENSSL_EXIT(ret);
454 	}
455 
456 #define LIST_STANDARD_COMMANDS "list-standard-commands"
457 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
458 #define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms"
459 #define LIST_CIPHER_COMMANDS "list-cipher-commands"
460 #define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms"
461 #define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms"
462 
463 
464 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
465 	{
466 	FUNCTION f,*fp;
467 	int i,ret=1,tp,nl;
468 
469 	if ((argc <= 0) || (argv[0] == NULL))
470 		{ ret=0; goto end; }
471 	f.name=argv[0];
472 	fp=lh_FUNCTION_retrieve(prog,&f);
473 	if (fp == NULL)
474 		{
475 		if (EVP_get_digestbyname(argv[0]))
476 			{
477 			f.type = FUNC_TYPE_MD;
478 			f.func = dgst_main;
479 			fp = &f;
480 			}
481 		else if (EVP_get_cipherbyname(argv[0]))
482 			{
483 			f.type = FUNC_TYPE_CIPHER;
484 			f.func = enc_main;
485 			fp = &f;
486 			}
487 		}
488 	if (fp != NULL)
489 		{
490 		ret=fp->func(argc,argv);
491 		}
492 	else if ((strncmp(argv[0],"no-",3)) == 0)
493 		{
494 		BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
495 #ifdef OPENSSL_SYS_VMS
496 		{
497 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
498 		bio_stdout = BIO_push(tmpbio, bio_stdout);
499 		}
500 #endif
501 		f.name=argv[0]+3;
502 		ret = (lh_FUNCTION_retrieve(prog,&f) != NULL);
503 		if (!ret)
504 			BIO_printf(bio_stdout, "%s\n", argv[0]);
505 		else
506 			BIO_printf(bio_stdout, "%s\n", argv[0]+3);
507 		BIO_free_all(bio_stdout);
508 		goto end;
509 		}
510 	else if ((strcmp(argv[0],"quit") == 0) ||
511 		(strcmp(argv[0],"q") == 0) ||
512 		(strcmp(argv[0],"exit") == 0) ||
513 		(strcmp(argv[0],"bye") == 0))
514 		{
515 		ret= -1;
516 		goto end;
517 		}
518 	else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) ||
519 		(strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
520 		(strcmp(argv[0],LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) ||
521 		(strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0) ||
522 		(strcmp(argv[0],LIST_CIPHER_ALGORITHMS) == 0) ||
523 		(strcmp(argv[0],LIST_PUBLIC_KEY_ALGORITHMS) == 0))
524 		{
525 		int list_type;
526 		BIO *bio_stdout;
527 
528 		if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0)
529 			list_type = FUNC_TYPE_GENERAL;
530 		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0)
531 			list_type = FUNC_TYPE_MD;
532 		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_ALGORITHMS) == 0)
533 			list_type = FUNC_TYPE_MD_ALG;
534 		else if (strcmp(argv[0],LIST_PUBLIC_KEY_ALGORITHMS) == 0)
535 			list_type = FUNC_TYPE_PKEY;
536 		else if (strcmp(argv[0],LIST_CIPHER_ALGORITHMS) == 0)
537 			list_type = FUNC_TYPE_CIPHER_ALG;
538 		else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
539 			list_type = FUNC_TYPE_CIPHER;
540 		bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
541 #ifdef OPENSSL_SYS_VMS
542 		{
543 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
544 		bio_stdout = BIO_push(tmpbio, bio_stdout);
545 		}
546 #endif
547 
548 		if (!load_config(bio_err, NULL))
549 			goto end;
550 
551 		if (list_type == FUNC_TYPE_PKEY)
552 			list_pkey(bio_stdout);
553 		if (list_type == FUNC_TYPE_MD_ALG)
554 			list_md(bio_stdout);
555 		if (list_type == FUNC_TYPE_CIPHER_ALG)
556 			list_cipher(bio_stdout);
557 		else
558 			{
559 			for (fp=functions; fp->name != NULL; fp++)
560 				if (fp->type == list_type)
561 					BIO_printf(bio_stdout, "%s\n",
562 								fp->name);
563 			}
564 		BIO_free_all(bio_stdout);
565 		ret=0;
566 		goto end;
567 		}
568 	else
569 		{
570 		BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n",
571 			argv[0]);
572 		BIO_printf(bio_err, "\nStandard commands");
573 		i=0;
574 		tp=0;
575 		for (fp=functions; fp->name != NULL; fp++)
576 			{
577 			nl=0;
578 #ifdef OPENSSL_NO_CAMELLIA
579 			if (((i++) % 5) == 0)
580 #else
581 			if (((i++) % 4) == 0)
582 #endif
583 				{
584 				BIO_printf(bio_err,"\n");
585 				nl=1;
586 				}
587 			if (fp->type != tp)
588 				{
589 				tp=fp->type;
590 				if (!nl) BIO_printf(bio_err,"\n");
591 				if (tp == FUNC_TYPE_MD)
592 					{
593 					i=1;
594 					BIO_printf(bio_err,
595 						"\nMessage Digest commands (see the `dgst' command for more details)\n");
596 					}
597 				else if (tp == FUNC_TYPE_CIPHER)
598 					{
599 					i=1;
600 					BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n");
601 					}
602 				}
603 #ifdef OPENSSL_NO_CAMELLIA
604 			BIO_printf(bio_err,"%-15s",fp->name);
605 #else
606 			BIO_printf(bio_err,"%-18s",fp->name);
607 #endif
608 			}
609 		BIO_printf(bio_err,"\n\n");
610 		ret=0;
611 		}
612 end:
613 	return(ret);
614 	}
615 
616 static int SortFnByName(const void *_f1,const void *_f2)
617     {
618     const FUNCTION *f1=_f1;
619     const FUNCTION *f2=_f2;
620 
621     if(f1->type != f2->type)
622 	return f1->type-f2->type;
623     return strcmp(f1->name,f2->name);
624     }
625 
626 static void list_pkey(BIO *out)
627 	{
628 	int i;
629 	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++)
630 		{
631 		const EVP_PKEY_ASN1_METHOD *ameth;
632 		int pkey_id, pkey_base_id, pkey_flags;
633 		const char *pinfo, *pem_str;
634 		ameth = EVP_PKEY_asn1_get0(i);
635 		EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
636 						&pinfo, &pem_str, ameth);
637 		if (pkey_flags & ASN1_PKEY_ALIAS)
638 			{
639 			BIO_printf(out, "Name: %s\n",
640 					OBJ_nid2ln(pkey_id));
641 			BIO_printf(out, "\tType: Alias to %s\n",
642 					OBJ_nid2ln(pkey_base_id));
643 			}
644 		else
645 			{
646 			BIO_printf(out, "Name: %s\n", pinfo);
647 			BIO_printf(out, "\tType: %s Algorithm\n",
648 				pkey_flags & ASN1_PKEY_DYNAMIC ?
649 					"External" : "Builtin");
650 			BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
651 			if (pem_str == NULL)
652 				pem_str = "(none)";
653 			BIO_printf(out, "\tPEM string: %s\n", pem_str);
654 			}
655 
656 		}
657 	}
658 
659 static void list_cipher_fn(const EVP_CIPHER *c,
660 			const char *from, const char *to, void *arg)
661 	{
662 	if (c)
663 		BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
664 	else
665 		{
666 		if (!from)
667 			from = "<undefined>";
668 		if (!to)
669 			to = "<undefined>";
670 		BIO_printf(arg, "%s => %s\n", from, to);
671 		}
672 	}
673 
674 static void list_cipher(BIO *out)
675 	{
676 	EVP_CIPHER_do_all_sorted(list_cipher_fn, out);
677 	}
678 
679 static void list_md_fn(const EVP_MD *m,
680 			const char *from, const char *to, void *arg)
681 	{
682 	if (m)
683 		BIO_printf(arg, "%s\n", EVP_MD_name(m));
684 	else
685 		{
686 		if (!from)
687 			from = "<undefined>";
688 		if (!to)
689 			to = "<undefined>";
690 		BIO_printf(arg, "%s => %s\n", from, to);
691 		}
692 	}
693 
694 static void list_md(BIO *out)
695 	{
696 	EVP_MD_do_all_sorted(list_md_fn, out);
697 	}
698 
699 static int MS_CALLBACK function_cmp(const FUNCTION *a, const FUNCTION *b)
700 	{
701 	return strncmp(a->name,b->name,8);
702 	}
703 static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
704 
705 static unsigned long MS_CALLBACK function_hash(const FUNCTION *a)
706 	{
707 	return lh_strhash(a->name);
708 	}
709 static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
710 
711 static LHASH_OF(FUNCTION) *prog_init(void)
712 	{
713 	LHASH_OF(FUNCTION) *ret;
714 	FUNCTION *f;
715 	size_t i;
716 
717 	/* Purely so it looks nice when the user hits ? */
718 	for(i=0,f=functions ; f->name != NULL ; ++f,++i)
719 	    ;
720 	qsort(functions,i,sizeof *functions,SortFnByName);
721 
722 	if ((ret=lh_FUNCTION_new()) == NULL)
723 		return(NULL);
724 
725 	for (f=functions; f->name != NULL; f++)
726 		(void)lh_FUNCTION_insert(ret,f);
727 	return(ret);
728 	}
729 
730