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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 #ifdef OPENSSL_FIPS
    133 #include <openssl/fips.h>
    134 #endif
    135 
    136 /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the
    137  * base prototypes (we cast each variable inside the function to the required
    138  * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper
    139  * functions. */
    140 
    141 static LHASH_OF(FUNCTION) *prog_init(void );
    142 static int do_cmd(LHASH_OF(FUNCTION) *prog,int argc,char *argv[]);
    143 static void list_pkey(BIO *out);
    144 static void list_cipher(BIO *out);
    145 static void list_md(BIO *out);
    146 char *default_config_file=NULL;
    147 
    148 /* Make sure there is only one when MONOLITH is defined */
    149 #ifdef MONOLITH
    150 CONF *config=NULL;
    151 BIO *bio_err=NULL;
    152 #endif
    153 
    154 
    155 static void lock_dbg_cb(int mode, int type, const char *file, int line)
    156 	{
    157 	static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
    158 	const char *errstr = NULL;
    159 	int rw;
    160 
    161 	rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
    162 	if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
    163 		{
    164 		errstr = "invalid mode";
    165 		goto err;
    166 		}
    167 
    168 	if (type < 0 || type >= CRYPTO_NUM_LOCKS)
    169 		{
    170 		errstr = "type out of bounds";
    171 		goto err;
    172 		}
    173 
    174 	if (mode & CRYPTO_LOCK)
    175 		{
    176 		if (modes[type])
    177 			{
    178 			errstr = "already locked";
    179 			/* must not happen in a single-threaded program
    180 			 * (would deadlock) */
    181 			goto err;
    182 			}
    183 
    184 		modes[type] = rw;
    185 		}
    186 	else if (mode & CRYPTO_UNLOCK)
    187 		{
    188 		if (!modes[type])
    189 			{
    190 			errstr = "not locked";
    191 			goto err;
    192 			}
    193 
    194 		if (modes[type] != rw)
    195 			{
    196 			errstr = (rw == CRYPTO_READ) ?
    197 				"CRYPTO_r_unlock on write lock" :
    198 				"CRYPTO_w_unlock on read lock";
    199 			}
    200 
    201 		modes[type] = 0;
    202 		}
    203 	else
    204 		{
    205 		errstr = "invalid mode";
    206 		goto err;
    207 		}
    208 
    209  err:
    210 	if (errstr)
    211 		{
    212 		/* we cannot use bio_err here */
    213 		fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
    214 			errstr, mode, type, file, line);
    215 		}
    216 	}
    217 
    218 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
    219 # define ARGV _Argv
    220 #else
    221 # define ARGV Argv
    222 #endif
    223 
    224 int main(int Argc, char *ARGV[])
    225 	{
    226 	ARGS arg;
    227 #define PROG_NAME_SIZE	39
    228 	char pname[PROG_NAME_SIZE+1];
    229 	FUNCTION f,*fp;
    230 	MS_STATIC const char *prompt;
    231 	MS_STATIC char buf[1024];
    232 	char *to_free=NULL;
    233 	int n,i,ret=0;
    234 	int argc;
    235 	char **argv,*p;
    236 	LHASH_OF(FUNCTION) *prog=NULL;
    237 	long errline;
    238 
    239 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
    240 	/* 2011-03-22 SMS.
    241 	 * If we have 32-bit pointers everywhere, then we're safe, and
    242 	 * we bypass this mess, as on non-VMS systems.  (See ARGV,
    243 	 * above.)
    244 	 * Problem 1: Compaq/HP C before V7.3 always used 32-bit
    245 	 * pointers for argv[].
    246 	 * Fix 1: For a 32-bit argv[], when we're using 64-bit pointers
    247 	 * everywhere else, we always allocate and use a 64-bit
    248 	 * duplicate of argv[].
    249 	 * Problem 2: Compaq/HP C V7.3 (Alpha, IA64) before ECO1 failed
    250 	 * to NULL-terminate a 64-bit argv[].  (As this was written, the
    251 	 * compiler ECO was available only on IA64.)
    252 	 * Fix 2: Unless advised not to (VMS_TRUST_ARGV), we test a
    253 	 * 64-bit argv[argc] for NULL, and, if necessary, use a
    254 	 * (properly) NULL-terminated (64-bit) duplicate of argv[].
    255 	 * The same code is used in either case to duplicate argv[].
    256 	 * Some of these decisions could be handled in preprocessing,
    257 	 * but the code tends to get even uglier, and the penalty for
    258 	 * deciding at compile- or run-time is tiny.
    259 	 */
    260 	char **Argv = NULL;
    261 	int free_Argv = 0;
    262 
    263 	if ((sizeof( _Argv) < 8)        /* 32-bit argv[]. */
    264 # if !defined( VMS_TRUST_ARGV)
    265 	 || (_Argv[ Argc] != NULL)      /* Untrusted argv[argc] not NULL. */
    266 # endif
    267 		)
    268 		{
    269 		int i;
    270 		Argv = OPENSSL_malloc( (Argc+ 1)* sizeof( char *));
    271 		if (Argv == NULL)
    272 			{ ret = -1; goto end; }
    273 		for(i = 0; i < Argc; i++)
    274 			Argv[i] = _Argv[i];
    275 		Argv[ Argc] = NULL;     /* Certain NULL termination. */
    276 		free_Argv = 1;
    277 		}
    278 	else
    279 		{
    280 		/* Use the known-good 32-bit argv[] (which needs the
    281 		 * type cast to satisfy the compiler), or the trusted or
    282 		 * tested-good 64-bit argv[] as-is. */
    283 		Argv = (char **)_Argv;
    284 		}
    285 #endif /* defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64) */
    286 
    287 	arg.data=NULL;
    288 	arg.count=0;
    289 
    290 	if (bio_err == NULL)
    291 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
    292 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
    293 
    294 	if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) /* if not defined, use compiled-in library defaults */
    295 		{
    296 		if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off")))
    297 			{
    298 			CRYPTO_malloc_debug_init();
    299 			CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
    300 			}
    301 		else
    302 			{
    303 			/* OPENSSL_DEBUG_MEMORY=off */
    304 			CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
    305 			}
    306 		}
    307 	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
    308 
    309 #if 0
    310 	if (getenv("OPENSSL_DEBUG_LOCKING") != NULL)
    311 #endif
    312 		{
    313 		CRYPTO_set_locking_callback(lock_dbg_cb);
    314 		}
    315 
    316 	if(getenv("OPENSSL_FIPS")) {
    317 #ifdef OPENSSL_FIPS
    318 		if (!FIPS_mode_set(1)) {
    319 			ERR_load_crypto_strings();
    320 			ERR_print_errors(BIO_new_fp(stderr,BIO_NOCLOSE));
    321 			EXIT(1);
    322 		}
    323 #else
    324 		fprintf(stderr, "FIPS mode not supported.\n");
    325 		EXIT(1);
    326 #endif
    327 		}
    328 
    329 	apps_startup();
    330 
    331 	/* Lets load up our environment a little */
    332 	p=getenv("OPENSSL_CONF");
    333 	if (p == NULL)
    334 		p=getenv("SSLEAY_CONF");
    335 	if (p == NULL)
    336 		p=to_free=make_config_name();
    337 
    338 	default_config_file=p;
    339 
    340 	config=NCONF_new(NULL);
    341 	i=NCONF_load(config,p,&errline);
    342 	if (i == 0)
    343 		{
    344 		if (ERR_GET_REASON(ERR_peek_last_error())
    345 		    == CONF_R_NO_SUCH_FILE)
    346 			{
    347 #if 0 /* ANDROID */
    348 			BIO_printf(bio_err,
    349 				   "WARNING: can't open config file: %s\n",p);
    350 #endif
    351 			ERR_clear_error();
    352 			NCONF_free(config);
    353 			config = NULL;
    354 			}
    355 		else
    356 			{
    357 			ERR_print_errors(bio_err);
    358 			NCONF_free(config);
    359 			exit(1);
    360 			}
    361 		}
    362 
    363 	prog=prog_init();
    364 
    365 	/* first check the program name */
    366 	program_name(Argv[0],pname,sizeof pname);
    367 
    368 	f.name=pname;
    369 	fp=lh_FUNCTION_retrieve(prog,&f);
    370 	if (fp != NULL)
    371 		{
    372 		Argv[0]=pname;
    373 		ret=fp->func(Argc,Argv);
    374 		goto end;
    375 		}
    376 
    377 	/* ok, now check that there are not arguments, if there are,
    378 	 * run with them, shifting the ssleay off the front */
    379 	if (Argc != 1)
    380 		{
    381 		Argc--;
    382 		Argv++;
    383 		ret=do_cmd(prog,Argc,Argv);
    384 		if (ret < 0) ret=0;
    385 		goto end;
    386 		}
    387 
    388 	/* ok, lets enter the old 'OpenSSL>' mode */
    389 
    390 	for (;;)
    391 		{
    392 		ret=0;
    393 		p=buf;
    394 		n=sizeof buf;
    395 		i=0;
    396 		for (;;)
    397 			{
    398 			p[0]='\0';
    399 			if (i++)
    400 				prompt=">";
    401 			else	prompt="OpenSSL> ";
    402 			fputs(prompt,stdout);
    403 			fflush(stdout);
    404 			if (!fgets(p,n,stdin))
    405 				goto end;
    406 			if (p[0] == '\0') goto end;
    407 			i=strlen(p);
    408 			if (i <= 1) break;
    409 			if (p[i-2] != '\\') break;
    410 			i-=2;
    411 			p+=i;
    412 			n-=i;
    413 			}
    414 		if (!chopup_args(&arg,buf,&argc,&argv)) break;
    415 
    416 		ret=do_cmd(prog,argc,argv);
    417 		if (ret < 0)
    418 			{
    419 			ret=0;
    420 			goto end;
    421 			}
    422 		if (ret != 0)
    423 			BIO_printf(bio_err,"error in %s\n",argv[0]);
    424 		(void)BIO_flush(bio_err);
    425 		}
    426 	BIO_printf(bio_err,"bad exit\n");
    427 	ret=1;
    428 end:
    429 	if (to_free)
    430 		OPENSSL_free(to_free);
    431 	if (config != NULL)
    432 		{
    433 		NCONF_free(config);
    434 		config=NULL;
    435 		}
    436 	if (prog != NULL) lh_FUNCTION_free(prog);
    437 	if (arg.data != NULL) OPENSSL_free(arg.data);
    438 
    439 	apps_shutdown();
    440 
    441 	CRYPTO_mem_leaks(bio_err);
    442 	if (bio_err != NULL)
    443 		{
    444 		BIO_free(bio_err);
    445 		bio_err=NULL;
    446 		}
    447 #if defined( OPENSSL_SYS_VMS) && (__INITIAL_POINTER_SIZE == 64)
    448 	/* Free any duplicate Argv[] storage. */
    449 	if (free_Argv)
    450 		{
    451 		OPENSSL_free(Argv);
    452 		}
    453 #endif
    454 	OPENSSL_EXIT(ret);
    455 	}
    456 
    457 #define LIST_STANDARD_COMMANDS "list-standard-commands"
    458 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
    459 #define LIST_MESSAGE_DIGEST_ALGORITHMS "list-message-digest-algorithms"
    460 #define LIST_CIPHER_COMMANDS "list-cipher-commands"
    461 #define LIST_CIPHER_ALGORITHMS "list-cipher-algorithms"
    462 #define LIST_PUBLIC_KEY_ALGORITHMS "list-public-key-algorithms"
    463 
    464 
    465 static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
    466 	{
    467 	FUNCTION f,*fp;
    468 	int i,ret=1,tp,nl;
    469 
    470 	if ((argc <= 0) || (argv[0] == NULL))
    471 		{ ret=0; goto end; }
    472 	f.name=argv[0];
    473 	fp=lh_FUNCTION_retrieve(prog,&f);
    474 	if (fp == NULL)
    475 		{
    476 		if (EVP_get_digestbyname(argv[0]))
    477 			{
    478 			f.type = FUNC_TYPE_MD;
    479 			f.func = dgst_main;
    480 			fp = &f;
    481 			}
    482 		else if (EVP_get_cipherbyname(argv[0]))
    483 			{
    484 			f.type = FUNC_TYPE_CIPHER;
    485 			f.func = enc_main;
    486 			fp = &f;
    487 			}
    488 		}
    489 	if (fp != NULL)
    490 		{
    491 		ret=fp->func(argc,argv);
    492 		}
    493 	else if ((strncmp(argv[0],"no-",3)) == 0)
    494 		{
    495 		BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
    496 #ifdef OPENSSL_SYS_VMS
    497 		{
    498 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
    499 		bio_stdout = BIO_push(tmpbio, bio_stdout);
    500 		}
    501 #endif
    502 		f.name=argv[0]+3;
    503 		ret = (lh_FUNCTION_retrieve(prog,&f) != NULL);
    504 		if (!ret)
    505 			BIO_printf(bio_stdout, "%s\n", argv[0]);
    506 		else
    507 			BIO_printf(bio_stdout, "%s\n", argv[0]+3);
    508 		BIO_free_all(bio_stdout);
    509 		goto end;
    510 		}
    511 	else if ((strcmp(argv[0],"quit") == 0) ||
    512 		(strcmp(argv[0],"q") == 0) ||
    513 		(strcmp(argv[0],"exit") == 0) ||
    514 		(strcmp(argv[0],"bye") == 0))
    515 		{
    516 		ret= -1;
    517 		goto end;
    518 		}
    519 	else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) ||
    520 		(strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
    521 		(strcmp(argv[0],LIST_MESSAGE_DIGEST_ALGORITHMS) == 0) ||
    522 		(strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0) ||
    523 		(strcmp(argv[0],LIST_CIPHER_ALGORITHMS) == 0) ||
    524 		(strcmp(argv[0],LIST_PUBLIC_KEY_ALGORITHMS) == 0))
    525 		{
    526 		int list_type;
    527 		BIO *bio_stdout;
    528 
    529 		if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0)
    530 			list_type = FUNC_TYPE_GENERAL;
    531 		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0)
    532 			list_type = FUNC_TYPE_MD;
    533 		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_ALGORITHMS) == 0)
    534 			list_type = FUNC_TYPE_MD_ALG;
    535 		else if (strcmp(argv[0],LIST_PUBLIC_KEY_ALGORITHMS) == 0)
    536 			list_type = FUNC_TYPE_PKEY;
    537 		else if (strcmp(argv[0],LIST_CIPHER_ALGORITHMS) == 0)
    538 			list_type = FUNC_TYPE_CIPHER_ALG;
    539 		else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
    540 			list_type = FUNC_TYPE_CIPHER;
    541 		bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
    542 #ifdef OPENSSL_SYS_VMS
    543 		{
    544 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
    545 		bio_stdout = BIO_push(tmpbio, bio_stdout);
    546 		}
    547 #endif
    548 
    549 		if (!load_config(bio_err, NULL))
    550 			goto end;
    551 
    552 		if (list_type == FUNC_TYPE_PKEY)
    553 			list_pkey(bio_stdout);
    554 		if (list_type == FUNC_TYPE_MD_ALG)
    555 			list_md(bio_stdout);
    556 		if (list_type == FUNC_TYPE_CIPHER_ALG)
    557 			list_cipher(bio_stdout);
    558 		else
    559 			{
    560 			for (fp=functions; fp->name != NULL; fp++)
    561 				if (fp->type == list_type)
    562 					BIO_printf(bio_stdout, "%s\n",
    563 								fp->name);
    564 			}
    565 		BIO_free_all(bio_stdout);
    566 		ret=0;
    567 		goto end;
    568 		}
    569 	else
    570 		{
    571 		BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n",
    572 			argv[0]);
    573 		BIO_printf(bio_err, "\nStandard commands");
    574 		i=0;
    575 		tp=0;
    576 		for (fp=functions; fp->name != NULL; fp++)
    577 			{
    578 			nl=0;
    579 #ifdef OPENSSL_NO_CAMELLIA
    580 			if (((i++) % 5) == 0)
    581 #else
    582 			if (((i++) % 4) == 0)
    583 #endif
    584 				{
    585 				BIO_printf(bio_err,"\n");
    586 				nl=1;
    587 				}
    588 			if (fp->type != tp)
    589 				{
    590 				tp=fp->type;
    591 				if (!nl) BIO_printf(bio_err,"\n");
    592 				if (tp == FUNC_TYPE_MD)
    593 					{
    594 					i=1;
    595 					BIO_printf(bio_err,
    596 						"\nMessage Digest commands (see the `dgst' command for more details)\n");
    597 					}
    598 				else if (tp == FUNC_TYPE_CIPHER)
    599 					{
    600 					i=1;
    601 					BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n");
    602 					}
    603 				}
    604 #ifdef OPENSSL_NO_CAMELLIA
    605 			BIO_printf(bio_err,"%-15s",fp->name);
    606 #else
    607 			BIO_printf(bio_err,"%-18s",fp->name);
    608 #endif
    609 			}
    610 		BIO_printf(bio_err,"\n\n");
    611 		ret=0;
    612 		}
    613 end:
    614 	return(ret);
    615 	}
    616 
    617 static int SortFnByName(const void *_f1,const void *_f2)
    618     {
    619     const FUNCTION *f1=_f1;
    620     const FUNCTION *f2=_f2;
    621 
    622     if(f1->type != f2->type)
    623 	return f1->type-f2->type;
    624     return strcmp(f1->name,f2->name);
    625     }
    626 
    627 static void list_pkey(BIO *out)
    628 	{
    629 	int i;
    630 	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++)
    631 		{
    632 		const EVP_PKEY_ASN1_METHOD *ameth;
    633 		int pkey_id, pkey_base_id, pkey_flags;
    634 		const char *pinfo, *pem_str;
    635 		ameth = EVP_PKEY_asn1_get0(i);
    636 		EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
    637 						&pinfo, &pem_str, ameth);
    638 		if (pkey_flags & ASN1_PKEY_ALIAS)
    639 			{
    640 			BIO_printf(out, "Name: %s\n",
    641 					OBJ_nid2ln(pkey_id));
    642 			BIO_printf(out, "\tType: Alias to %s\n",
    643 					OBJ_nid2ln(pkey_base_id));
    644 			}
    645 		else
    646 			{
    647 			BIO_printf(out, "Name: %s\n", pinfo);
    648 			BIO_printf(out, "\tType: %s Algorithm\n",
    649 				pkey_flags & ASN1_PKEY_DYNAMIC ?
    650 					"External" : "Builtin");
    651 			BIO_printf(out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
    652 			if (pem_str == NULL)
    653 				pem_str = "(none)";
    654 			BIO_printf(out, "\tPEM string: %s\n", pem_str);
    655 			}
    656 
    657 		}
    658 	}
    659 
    660 static void list_cipher_fn(const EVP_CIPHER *c,
    661 			const char *from, const char *to, void *arg)
    662 	{
    663 	if (c)
    664 		BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
    665 	else
    666 		{
    667 		if (!from)
    668 			from = "<undefined>";
    669 		if (!to)
    670 			to = "<undefined>";
    671 		BIO_printf(arg, "%s => %s\n", from, to);
    672 		}
    673 	}
    674 
    675 static void list_cipher(BIO *out)
    676 	{
    677 	EVP_CIPHER_do_all_sorted(list_cipher_fn, out);
    678 	}
    679 
    680 static void list_md_fn(const EVP_MD *m,
    681 			const char *from, const char *to, void *arg)
    682 	{
    683 	if (m)
    684 		BIO_printf(arg, "%s\n", EVP_MD_name(m));
    685 	else
    686 		{
    687 		if (!from)
    688 			from = "<undefined>";
    689 		if (!to)
    690 			to = "<undefined>";
    691 		BIO_printf(arg, "%s => %s\n", from, to);
    692 		}
    693 	}
    694 
    695 static void list_md(BIO *out)
    696 	{
    697 	EVP_MD_do_all_sorted(list_md_fn, out);
    698 	}
    699 
    700 static int MS_CALLBACK function_cmp(const FUNCTION *a, const FUNCTION *b)
    701 	{
    702 	return strncmp(a->name,b->name,8);
    703 	}
    704 static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
    705 
    706 static unsigned long MS_CALLBACK function_hash(const FUNCTION *a)
    707 	{
    708 	return lh_strhash(a->name);
    709 	}
    710 static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
    711 
    712 static LHASH_OF(FUNCTION) *prog_init(void)
    713 	{
    714 	LHASH_OF(FUNCTION) *ret;
    715 	FUNCTION *f;
    716 	size_t i;
    717 
    718 	/* Purely so it looks nice when the user hits ? */
    719 	for(i=0,f=functions ; f->name != NULL ; ++f,++i)
    720 	    ;
    721 	qsort(functions,i,sizeof *functions,SortFnByName);
    722 
    723 	if ((ret=lh_FUNCTION_new()) == NULL)
    724 		return(NULL);
    725 
    726 	for (f=functions; f->name != NULL; f++)
    727 		(void)lh_FUNCTION_insert(ret,f);
    728 	return(ret);
    729 	}
    730 
    731