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      1 /* apps/openssl.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
    108  * Hudson (tjh (at) 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/lhash.h>
    121 #include <openssl/conf.h>
    122 #include <openssl/x509.h>
    123 #include <openssl/pem.h>
    124 #include <openssl/ssl.h>
    125 #ifndef OPENSSL_NO_ENGINE
    126 #include <openssl/engine.h>
    127 #endif
    128 #define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
    129 #include "progs.h"
    130 #include "s_apps.h"
    131 #include <openssl/err.h>
    132 
    133 /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the
    134  * base prototypes (we cast each variable inside the function to the required
    135  * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper
    136  * functions. */
    137 
    138 static LHASH_OF(FUNCTION) *prog_init(void );
    139 static int do_cmd(LHASH_OF(FUNCTION) *prog,int argc,char *argv[]);
    140 static void list_pkey(BIO *out);
    141 static void list_cipher(BIO *out);
    142 static void list_md(BIO *out);
    143 char *default_config_file=NULL;
    144 
    145 /* Make sure there is only one when MONOLITH is defined */
    146 #ifdef MONOLITH
    147 CONF *config=NULL;
    148 BIO *bio_err=NULL;
    149 #endif
    150 
    151 
    152 static void lock_dbg_cb(int mode, int type, const char *file, int line)
    153 	{
    154 	static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
    155 	const char *errstr = NULL;
    156 	int rw;
    157 
    158 	rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
    159 	if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
    160 		{
    161 		errstr = "invalid mode";
    162 		goto err;
    163 		}
    164 
    165 	if (type < 0 || type >= CRYPTO_NUM_LOCKS)
    166 		{
    167 		errstr = "type out of bounds";
    168 		goto err;
    169 		}
    170 
    171 	if (mode & CRYPTO_LOCK)
    172 		{
    173 		if (modes[type])
    174 			{
    175 			errstr = "already locked";
    176 			/* must not happen in a single-threaded program
    177 			 * (would deadlock) */
    178 			goto err;
    179 			}
    180 
    181 		modes[type] = rw;
    182 		}
    183 	else if (mode & CRYPTO_UNLOCK)
    184 		{
    185 		if (!modes[type])
    186 			{
    187 			errstr = "not locked";
    188 			goto err;
    189 			}
    190 
    191 		if (modes[type] != rw)
    192 			{
    193 			errstr = (rw == CRYPTO_READ) ?
    194 				"CRYPTO_r_unlock on write lock" :
    195 				"CRYPTO_w_unlock on read lock";
    196 			}
    197 
    198 		modes[type] = 0;
    199 		}
    200 	else
    201 		{
    202 		errstr = "invalid mode";
    203 		goto err;
    204 		}
    205 
    206  err:
    207 	if (errstr)
    208 		{
    209 		/* we cannot use bio_err here */
    210 		fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
    211 			errstr, mode, type, file, line);
    212 		}
    213 	}
    214 
    215 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
    216 # define ARGV _Argv
    217 #else
    218 # define ARGV Argv
    219 #endif
    220 
    221 int main(int Argc, char *ARGV[])
    222 	{
    223 	ARGS arg;
    224 #define PROG_NAME_SIZE	39
    225 	char pname[PROG_NAME_SIZE+1];
    226 	FUNCTION f,*fp;
    227 	MS_STATIC const char *prompt;
    228 	MS_STATIC char buf[1024];
    229 	char *to_free=NULL;
    230 	int n,i,ret=0;
    231 	int argc;
    232 	char **argv,*p;
    233 	LHASH_OF(FUNCTION) *prog=NULL;
    234 	long errline;
    235 
    236 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
    237 	/* 2011-03-22 SMS.
    238 	 * If we have 32-bit pointers everywhere, then we're safe, and
    239 	 * we bypass this mess, as on non-VMS systems.  (See ARGV,
    240 	 * above.)
    241 	 * Problem 1: Compaq/HP C before V7.3 always used 32-bit
    242 	 * pointers for argv[].
    243 	 * Fix 1: For a 32-bit argv[], when we're using 64-bit pointers
    244 	 * everywhere else, we always allocate and use a 64-bit
    245 	 * duplicate of argv[].
    246 	 * Problem 2: Compaq/HP C V7.3 (Alpha, IA64) before ECO1 failed
    247 	 * to NULL-terminate a 64-bit argv[].  (As this was written, the
    248 	 * compiler ECO was available only on IA64.)
    249 	 * Fix 2: Unless advised not to (VMS_TRUST_ARGV), we test a
    250 	 * 64-bit argv[argc] for NULL, and, if necessary, use a
    251 	 * (properly) NULL-terminated (64-bit) duplicate of argv[].
    252 	 * The same code is used in either case to duplicate argv[].
    253 	 * Some of these decisions could be handled in preprocessing,
    254 	 * but the code tends to get even uglier, and the penalty for
    255 	 * deciding at compile- or run-time is tiny.
    256 	 */
    257 	char **Argv = NULL;
    258 	int free_Argv = 0;
    259 
    260 	if ((sizeof( _Argv) < 8)        /* 32-bit argv[]. */
    261 # if !defined( VMS_TRUST_ARGV)
    262 	 || (_Argv[ Argc] != NULL)      /* Untrusted argv[argc] not NULL. */
    263 # endif
    264 		)
    265 		{
    266 		int i;
    267 		Argv = OPENSSL_malloc( (Argc+ 1)* sizeof( char *));
    268 		if (Argv == NULL)
    269 			{ ret = -1; goto end; }
    270 		for(i = 0; i < Argc; i++)
    271 			Argv[i] = _Argv[i];
    272 		Argv[ Argc] = NULL;     /* Certain NULL termination. */
    273 		free_Argv = 1;
    274 		}
    275 	else
    276 		{
    277 		/* Use the known-good 32-bit argv[] (which needs the
    278 		 * type cast to satisfy the compiler), or the trusted or
    279 		 * tested-good 64-bit argv[] as-is. */
    280 		Argv = (char **)_Argv;
    281 		}
    282 #endif /* defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64) */
    283 
    284 	arg.data=NULL;
    285 	arg.count=0;
    286 
    287 	if (bio_err == NULL)
    288 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
    289 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
    290 
    291 	if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) /* if not defined, use compiled-in library defaults */
    292 		{
    293 		if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off")))
    294 			{
    295 			CRYPTO_malloc_debug_init();
    296 			CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
    297 			}
    298 		else
    299 			{
    300 			/* OPENSSL_DEBUG_MEMORY=off */
    301 			CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
    302 			}
    303 		}
    304 	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
    305 
    306 #if 0
    307 	if (getenv("OPENSSL_DEBUG_LOCKING") != NULL)
    308 #endif
    309 		{
    310 		CRYPTO_set_locking_callback(lock_dbg_cb);
    311 		}
    312 
    313 	apps_startup();
    314 
    315 	/* Lets load up our environment a little */
    316 	p=getenv("OPENSSL_CONF");
    317 	if (p == NULL)
    318 		p=getenv("SSLEAY_CONF");
    319 	if (p == NULL)
    320 		p=to_free=make_config_name();
    321 
    322 	default_config_file=p;
    323 
    324 	config=NCONF_new(NULL);
    325 	i=NCONF_load(config,p,&errline);
    326 	if (i == 0)
    327 		{
    328 		if (ERR_GET_REASON(ERR_peek_last_error())
    329 		    == CONF_R_NO_SUCH_FILE)
    330 			{
    331 #if 0 /* ANDROID */
    332 			BIO_printf(bio_err,
    333 				   "WARNING: can't open config file: %s\n",p);
    334 #endif
    335 			ERR_clear_error();
    336 			NCONF_free(config);
    337 			config = NULL;
    338 			}
    339 		else
    340 			{
    341 			ERR_print_errors(bio_err);
    342 			NCONF_free(config);
    343 			exit(1);
    344 			}
    345 		}
    346 
    347 	prog=prog_init();
    348 
    349 	/* first check the program name */
    350 	program_name(Argv[0],pname,sizeof pname);
    351 
    352 	f.name=pname;
    353 	fp=lh_FUNCTION_retrieve(prog,&f);
    354 	if (fp != NULL)
    355 		{
    356 		Argv[0]=pname;
    357 		ret=fp->func(Argc,Argv);
    358 		goto end;
    359 		}
    360 
    361 	/* ok, now check that there are not arguments, if there are,
    362 	 * run with them, shifting the ssleay off the front */
    363 	if (Argc != 1)
    364 		{
    365 		Argc--;
    366 		Argv++;
    367 		ret=do_cmd(prog,Argc,Argv);
    368 		if (ret < 0) ret=0;
    369 		goto end;
    370 		}
    371 
    372 	/* ok, lets enter the old 'OpenSSL>' mode */
    373 
    374 	for (;;)
    375 		{
    376 		ret=0;
    377 		p=buf;
    378 		n=sizeof buf;
    379 		i=0;
    380 		for (;;)
    381 			{
    382 			p[0]='\0';
    383 			if (i++)
    384 				prompt=">";
    385 			else	prompt="OpenSSL> ";
    386 			fputs(prompt,stdout);
    387 			fflush(stdout);
    388 			if (!fgets(p,n,stdin))
    389 				goto end;
    390 			if (p[0] == '\0') goto end;
    391 			i=strlen(p);
    392 			if (i <= 1) break;
    393 			if (p[i-2] != '\\') break;
    394 			i-=2;
    395 			p+=i;
    396 			n-=i;
    397 			}
    398 		if (!chopup_args(&arg,buf,&argc,&argv)) break;
    399 
    400 		ret=do_cmd(prog,argc,argv);
    401 		if (ret < 0)
    402 			{
    403 			ret=0;
    404 			goto end;
    405 			}
    406 		if (ret != 0)
    407 			BIO_printf(bio_err,"error in %s\n",argv[0]);
    408 		(void)BIO_flush(bio_err);
    409 		}
    410 	BIO_printf(bio_err,"bad exit\n");
    411 	ret=1;
    412 end:
    413 	if (to_free)
    414 		OPENSSL_free(to_free);
    415 	if (config != NULL)
    416 		{
    417 		NCONF_free(config);
    418 		config=NULL;
    419 		}
    420 	if (prog != NULL) lh_FUNCTION_free(prog);
    421 	if (arg.data != NULL) OPENSSL_free(arg.data);
    422 
    423 	apps_shutdown();
    424 
    425 	CRYPTO_mem_leaks(bio_err);
    426 	if (bio_err != NULL)
    427 		{
    428 		BIO_free(bio_err);
    429 		bio_err=NULL;
    430 		}
    431 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
    432 	/* Free any duplicate Argv[] storage. */
    433 	if (free_Argv)
    434 		{
    435 		OPENSSL_free(Argv);
    436 		}
    437 #endif
    438 	OPENSSL_EXIT(ret);
    439 	}
    440 
    441 #define LIST_STANDARD_COMMANDS "list-standard-commands"
    442 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
    443 #define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms"
    444 #define LIST_CIPHER_COMMANDS "list-cipher-commands"
    445 #define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms"
    446 #define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms"
    447 
    448 
    449 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
    450 	{
    451 	FUNCTION f,*fp;
    452 	int i,ret=1,tp,nl;
    453 
    454 	if ((argc <= 0) || (argv[0] == NULL))
    455 		{ ret=0; goto end; }
    456 	f.name=argv[0];
    457 	fp=lh_FUNCTION_retrieve(prog,&f);
    458 	if (fp == NULL)
    459 		{
    460 		if (EVP_get_digestbyname(argv[0]))
    461 			{
    462 			f.type = FUNC_TYPE_MD;
    463 			f.func = dgst_main;
    464 			fp = &f;
    465 			}
    466 		else if (EVP_get_cipherbyname(argv[0]))
    467 			{
    468 			f.type = FUNC_TYPE_CIPHER;
    469 			f.func = enc_main;
    470 			fp = &f;
    471 			}
    472 		}
    473 	if (fp != NULL)
    474 		{
    475 		ret=fp->func(argc,argv);
    476 		}
    477 	else if ((strncmp(argv[0],"no-",3)) == 0)
    478 		{
    479 		BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
    480 #ifdef OPENSSL_SYS_VMS
    481 		{
    482 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
    483 		bio_stdout = BIO_push(tmpbio, bio_stdout);
    484 		}
    485 #endif
    486 		f.name=argv[0]+3;
    487 		ret = (lh_FUNCTION_retrieve(prog,&f) != NULL);
    488 		if (!ret)
    489 			BIO_printf(bio_stdout, "%s\n", argv[0]);
    490 		else
    491 			BIO_printf(bio_stdout, "%s\n", argv[0]+3);
    492 		BIO_free_all(bio_stdout);
    493 		goto end;
    494 		}
    495 	else if ((strcmp(argv[0],"quit") == 0) ||
    496 		(strcmp(argv[0],"q") == 0) ||
    497 		(strcmp(argv[0],"exit") == 0) ||
    498 		(strcmp(argv[0],"bye") == 0))
    499 		{
    500 		ret= -1;
    501 		goto end;
    502 		}
    503 	else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) ||
    504 		(strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
    505 		(strcmp(argv[0],LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) ||
    506 		(strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0) ||
    507 		(strcmp(argv[0],LIST_CIPHER_ALGORITHMS) == 0) ||
    508 		(strcmp(argv[0],LIST_PUBLIC_KEY_ALGORITHMS) == 0))
    509 		{
    510 		int list_type;
    511 		BIO *bio_stdout;
    512 
    513 		if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0)
    514 			list_type = FUNC_TYPE_GENERAL;
    515 		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0)
    516 			list_type = FUNC_TYPE_MD;
    517 		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_ALGORITHMS) == 0)
    518 			list_type = FUNC_TYPE_MD_ALG;
    519 		else if (strcmp(argv[0],LIST_PUBLIC_KEY_ALGORITHMS) == 0)
    520 			list_type = FUNC_TYPE_PKEY;
    521 		else if (strcmp(argv[0],LIST_CIPHER_ALGORITHMS) == 0)
    522 			list_type = FUNC_TYPE_CIPHER_ALG;
    523 		else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
    524 			list_type = FUNC_TYPE_CIPHER;
    525 		bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
    526 #ifdef OPENSSL_SYS_VMS
    527 		{
    528 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
    529 		bio_stdout = BIO_push(tmpbio, bio_stdout);
    530 		}
    531 #endif
    532 
    533 		if (!load_config(bio_err, NULL))
    534 			goto end;
    535 
    536 		if (list_type == FUNC_TYPE_PKEY)
    537 			list_pkey(bio_stdout);
    538 		if (list_type == FUNC_TYPE_MD_ALG)
    539 			list_md(bio_stdout);
    540 		if (list_type == FUNC_TYPE_CIPHER_ALG)
    541 			list_cipher(bio_stdout);
    542 		else
    543 			{
    544 			for (fp=functions; fp->name != NULL; fp++)
    545 				if (fp->type == list_type)
    546 					BIO_printf(bio_stdout, "%s\n",
    547 								fp->name);
    548 			}
    549 		BIO_free_all(bio_stdout);
    550 		ret=0;
    551 		goto end;
    552 		}
    553 	else
    554 		{
    555 		BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n",
    556 			argv[0]);
    557 		BIO_printf(bio_err, "\nStandard commands");
    558 		i=0;
    559 		tp=0;
    560 		for (fp=functions; fp->name != NULL; fp++)
    561 			{
    562 			nl=0;
    563 #ifdef OPENSSL_NO_CAMELLIA
    564 			if (((i++) % 5) == 0)
    565 #else
    566 			if (((i++) % 4) == 0)
    567 #endif
    568 				{
    569 				BIO_printf(bio_err,"\n");
    570 				nl=1;
    571 				}
    572 			if (fp->type != tp)
    573 				{
    574 				tp=fp->type;
    575 				if (!nl) BIO_printf(bio_err,"\n");
    576 				if (tp == FUNC_TYPE_MD)
    577 					{
    578 					i=1;
    579 					BIO_printf(bio_err,
    580 						"\nMessage Digest commands (see the `dgst' command for more details)\n");
    581 					}
    582 				else if (tp == FUNC_TYPE_CIPHER)
    583 					{
    584 					i=1;
    585 					BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n");
    586 					}
    587 				}
    588 #ifdef OPENSSL_NO_CAMELLIA
    589 			BIO_printf(bio_err,"%-15s",fp->name);
    590 #else
    591 			BIO_printf(bio_err,"%-18s",fp->name);
    592 #endif
    593 			}
    594 		BIO_printf(bio_err,"\n\n");
    595 		ret=0;
    596 		}
    597 end:
    598 	return(ret);
    599 	}
    600 
    601 static int SortFnByName(const void *_f1,const void *_f2)
    602     {
    603     const FUNCTION *f1=_f1;
    604     const FUNCTION *f2=_f2;
    605 
    606     if(f1->type != f2->type)
    607 	return f1->type-f2->type;
    608     return strcmp(f1->name,f2->name);
    609     }
    610 
    611 static void list_pkey(BIO *out)
    612 	{
    613 	int i;
    614 	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++)
    615 		{
    616 		const EVP_PKEY_ASN1_METHOD *ameth;
    617 		int pkey_id, pkey_base_id, pkey_flags;
    618 		const char *pinfo, *pem_str;
    619 		ameth = EVP_PKEY_asn1_get0(i);
    620 		EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
    621 						&pinfo, &pem_str, ameth);
    622 		if (pkey_flags & ASN1_PKEY_ALIAS)
    623 			{
    624 			BIO_printf(out, "Name: %s\n",
    625 					OBJ_nid2ln(pkey_id));
    626 			BIO_printf(out, "\tType: Alias to %s\n",
    627 					OBJ_nid2ln(pkey_base_id));
    628 			}
    629 		else
    630 			{
    631 			BIO_printf(out, "Name: %s\n", pinfo);
    632 			BIO_printf(out, "\tType: %s Algorithm\n",
    633 				pkey_flags & ASN1_PKEY_DYNAMIC ?
    634 					"External" : "Builtin");
    635 			BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
    636 			if (pem_str == NULL)
    637 				pem_str = "(none)";
    638 			BIO_printf(out, "\tPEM string: %s\n", pem_str);
    639 			}
    640 
    641 		}
    642 	}
    643 
    644 static void list_cipher_fn(const EVP_CIPHER *c,
    645 			const char *from, const char *to, void *arg)
    646 	{
    647 	if (c)
    648 		BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
    649 	else
    650 		{
    651 		if (!from)
    652 			from = "<undefined>";
    653 		if (!to)
    654 			to = "<undefined>";
    655 		BIO_printf(arg, "%s => %s\n", from, to);
    656 		}
    657 	}
    658 
    659 static void list_cipher(BIO *out)
    660 	{
    661 	EVP_CIPHER_do_all_sorted(list_cipher_fn, out);
    662 	}
    663 
    664 static void list_md_fn(const EVP_MD *m,
    665 			const char *from, const char *to, void *arg)
    666 	{
    667 	if (m)
    668 		BIO_printf(arg, "%s\n", EVP_MD_name(m));
    669 	else
    670 		{
    671 		if (!from)
    672 			from = "<undefined>";
    673 		if (!to)
    674 			to = "<undefined>";
    675 		BIO_printf(arg, "%s => %s\n", from, to);
    676 		}
    677 	}
    678 
    679 static void list_md(BIO *out)
    680 	{
    681 	EVP_MD_do_all_sorted(list_md_fn, out);
    682 	}
    683 
    684 static int MS_CALLBACK function_cmp(const FUNCTION *a, const FUNCTION *b)
    685 	{
    686 	return strncmp(a->name,b->name,8);
    687 	}
    688 static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
    689 
    690 static unsigned long MS_CALLBACK function_hash(const FUNCTION *a)
    691 	{
    692 	return lh_strhash(a->name);
    693 	}
    694 static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
    695 
    696 static LHASH_OF(FUNCTION) *prog_init(void)
    697 	{
    698 	LHASH_OF(FUNCTION) *ret;
    699 	FUNCTION *f;
    700 	size_t i;
    701 
    702 	/* Purely so it looks nice when the user hits ? */
    703 	for(i=0,f=functions ; f->name != NULL ; ++f,++i)
    704 	    ;
    705 	qsort(functions,i,sizeof *functions,SortFnByName);
    706 
    707 	if ((ret=lh_FUNCTION_new()) == NULL)
    708 		return(NULL);
    709 
    710 	for (f=functions; f->name != NULL; f++)
    711 		(void)lh_FUNCTION_insert(ret,f);
    712 	return(ret);
    713 	}
    714 
    715