[thirdparty/openssl.git] / apps / openssl.c

/* apps/openssl.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define OPENSSL_C /* tells apps.h to use complete apps_startup() */
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/lhash.h>
#include <openssl/conf.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/ssl.h>
#define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
#include "apps.h"
#include "progs.h"
#include "s_apps.h"
#include <openssl/err.h>

static unsigned long MS_CALLBACK hash(FUNCTION *a);
static int MS_CALLBACK cmp(FUNCTION *a,FUNCTION *b);
static LHASH *prog_init(void );
static int do_cmd(LHASH *prog,int argc,char *argv[]);
LHASH *config=NULL;
char *default_config_file=NULL;

/* Make sure there is only one when MONOLITH is defined */
#ifdef MONOLITH
BIO *bio_err=NULL;
#endif

int main(int Argc, char *Argv[])
	{
	ARGS arg;
#define PROG_NAME_SIZE	16
	char pname[PROG_NAME_SIZE];
	FUNCTION f,*fp;
	MS_STATIC char *prompt,buf[1024],config_name[256];
	int n,i,ret=0;
	int argc;
	char **argv,*p;
	LHASH *prog=NULL;
	long errline;
 
	arg.data=NULL;
	arg.count=0;

	if (getenv("OPENSSL_DEBUG_MEMORY") != NULL)
		CRYPTO_malloc_debug_init();
	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);

	apps_startup();

	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	ERR_load_crypto_strings();

	/* Lets load up our environment a little */
	p=getenv("OPENSSL_CONF");
	if (p == NULL)
		p=getenv("SSLEAY_CONF");
	if (p == NULL)
		{
		strcpy(config_name,X509_get_default_cert_area());
#ifndef VMS
		strcat(config_name,"/");
#endif
		strcat(config_name,OPENSSL_CONF);
		p=config_name;
		}

	default_config_file=p;

	config=CONF_load(config,p,&errline);
	if (config == NULL) ERR_clear_error();

	prog=prog_init();

	/* first check the program name */
	program_name(Argv[0],pname,PROG_NAME_SIZE);

	f.name=pname;
	fp=(FUNCTION *)lh_retrieve(prog,&f);
	if (fp != NULL)
		{
		Argv[0]=pname;
		ret=fp->func(Argc,Argv);
		goto end;
		}

	/* ok, now check that there are not arguments, if there are,
	 * run with them, shifting the ssleay off the front */
	if (Argc != 1)
		{
		Argc--;
		Argv++;
		ret=do_cmd(prog,Argc,Argv);
		if (ret < 0) ret=0;
		goto end;
		}

	/* ok, lets enter the old 'OpenSSL>' mode */
	
	for (;;)
		{
		ret=0;
		p=buf;
		n=1024;
		i=0;
		for (;;)
			{
			p[0]='\0';
			if (i++)
				prompt=">";
			else	prompt="OpenSSL> ";
			fputs(prompt,stdout);
			fflush(stdout);
			fgets(p,n,stdin);
			if (p[0] == '\0') goto end;
			i=strlen(p);
			if (i <= 1) break;
			if (p[i-2] != '\\') break;
			i-=2;
			p+=i;
			n-=i;
			}
		if (!chopup_args(&arg,buf,&argc,&argv)) break;

		ret=do_cmd(prog,argc,argv);
		if (ret < 0)
			{
			ret=0;
			goto end;
			}
		if (ret != 0)
			BIO_printf(bio_err,"error in %s\n",argv[0]);
		(void)BIO_flush(bio_err);
		}
	BIO_printf(bio_err,"bad exit\n");
	ret=1;
end:
	if (config != NULL)
		{
		CONF_free(config);
		config=NULL;
		}
	if (prog != NULL) lh_free(prog);
	if (arg.data != NULL) OPENSSL_free(arg.data);
	ERR_remove_state(0);

	EVP_cleanup();
	ERR_free_strings();
	
	CRYPTO_mem_leaks(bio_err);
	if (bio_err != NULL)
		{
		BIO_free(bio_err);
		bio_err=NULL;
		}
	EXIT(ret);
	}

#define LIST_STANDARD_COMMANDS "list-standard-commands"
#define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
#define LIST_CIPHER_COMMANDS "list-cipher-commands"

static int do_cmd(LHASH *prog, int argc, char *argv[])
	{
	FUNCTION f,*fp;
	int i,ret=1,tp,nl;

	if ((argc <= 0) || (argv[0] == NULL))
		{ ret=0; goto end; }
	f.name=argv[0];
	fp=(FUNCTION *)lh_retrieve(prog,&f);
	if (fp != NULL)
		{
		ret=fp->func(argc,argv);
		}
	else if ((strncmp(argv[0],"no-",3)) == 0)
		{
		BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
		f.name=argv[0]+3;
		ret = (lh_retrieve(prog,&f) != NULL);
		if (!ret)
			BIO_printf(bio_stdout, "%s\n", argv[0]);
		else
			BIO_printf(bio_stdout, "%s\n", argv[0]+3);
		BIO_free(bio_stdout);
		goto end;
		}
	else if ((strcmp(argv[0],"quit") == 0) ||
		(strcmp(argv[0],"q") == 0) ||
		(strcmp(argv[0],"exit") == 0) ||
		(strcmp(argv[0],"bye") == 0))
		{
		ret= -1;
		goto end;
		}
	else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) ||
		(strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
		(strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0))
		{
		int list_type;
		BIO *bio_stdout;

		if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0)
			list_type = FUNC_TYPE_GENERAL;
		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0)
			list_type = FUNC_TYPE_MD;
		else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
			list_type = FUNC_TYPE_CIPHER;
		bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
		
		for (fp=functions; fp->name != NULL; fp++)
			if (fp->type == list_type)
				BIO_printf(bio_stdout, "%s\n", fp->name);
		BIO_free(bio_stdout);
		ret=0;
		goto end;
		}
	else
		{
		BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n",
			argv[0]);
		BIO_printf(bio_err, "\nStandard commands");
		i=0;
		tp=0;
		for (fp=functions; fp->name != NULL; fp++)
			{
			nl=0;
			if (((i++) % 5) == 0)
				{
				BIO_printf(bio_err,"\n");
				nl=1;
				}
			if (fp->type != tp)
				{
				tp=fp->type;
				if (!nl) BIO_printf(bio_err,"\n");
				if (tp == FUNC_TYPE_MD)
					{
					i=1;
					BIO_printf(bio_err,
						"\nMessage Digest commands (see the `dgst' command for more details)\n");
					}
				else if (tp == FUNC_TYPE_CIPHER)
					{
					i=1;
					BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n");
					}
				}
			BIO_printf(bio_err,"%-15s",fp->name);
			}
		BIO_printf(bio_err,"\n\n");
		ret=0;
		}
end:
	return(ret);
	}

static int SortFnByName(const void *_f1,const void *_f2)
    {
    const FUNCTION *f1=_f1;
    const FUNCTION *f2=_f2;

    if(f1->type != f2->type)
	return f1->type-f2->type;
    return strcmp(f1->name,f2->name);
    }

static LHASH *prog_init(void)
	{
	LHASH *ret;
	FUNCTION *f;
	int i;

	/* Purely so it looks nice when the user hits ? */
	for(i=0,f=functions ; f->name != NULL ; ++f,++i)
	    ;
	qsort(functions,i,sizeof *functions,SortFnByName);

	if ((ret=lh_new(hash,cmp)) == NULL) return(NULL);

	for (f=functions; f->name != NULL; f++)
		lh_insert(ret,f);
	return(ret);
	}

static int MS_CALLBACK cmp(FUNCTION *a, FUNCTION *b)
	{
	return(strncmp(a->name,b->name,8));
	}

static unsigned long MS_CALLBACK hash(FUNCTION *a)
	{
	return(lh_strhash(a->name));
	}
Commit	Line	Data
06d5b162	1	/* apps/openssl.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	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
d02b48c6 RE	59	#include <stdio.h>
	60	#include <string.h>
	61	#include <stdlib.h>
1f515cfe	62	#define OPENSSL_C /* tells apps.h to use complete apps_startup() */
ec577822 BM	63	#include <openssl/bio.h>
	64	#include <openssl/crypto.h>
	65	#include <openssl/lhash.h>
	66	#include <openssl/conf.h>
	67	#include <openssl/x509.h>
	68	#include <openssl/pem.h>
	69	#include <openssl/ssl.h>
d02b48c6	70	#define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
d02b48c6	71	#include "apps.h"
29a28ee5	72	#include "progs.h"
d02b48c6	73	#include "s_apps.h"
ec577822	74	#include <openssl/err.h>
d02b48c6	75
d02b48c6 RE	76	static unsigned long MS_CALLBACK hash(FUNCTION *a);
	77	static int MS_CALLBACK cmp(FUNCTION a,FUNCTION b);
	78	static LHASH *prog_init(void );
	79	static int do_cmd(LHASH prog,int argc,char argv[]);
d02b48c6 RE	80	LHASH *config=NULL;
	81	char *default_config_file=NULL;
	82
d02b48c6 RE	83	/* Make sure there is only one when MONOLITH is defined */
	84	#ifdef MONOLITH
	85	BIO *bio_err=NULL;
	86	#endif
	87
6b691a5c	88	int main(int Argc, char *Argv[])
d02b48c6 RE	89	{
	90	ARGS arg;
	91	#define PROG_NAME_SIZE 16
	92	char pname[PROG_NAME_SIZE];
	93	FUNCTION f,*fp;
	94	MS_STATIC char *prompt,buf[1024],config_name[256];
	95	int n,i,ret=0;
	96	int argc;
	97	char *argv,p;
	98	LHASH *prog=NULL;
	99	long errline;
	100
	101	arg.data=NULL;
	102	arg.count=0;
	103
ee087bb8 RL	104	if (getenv("OPENSSL_DEBUG_MEMORY") != NULL)
ee087bb8 RL	105	CRYPTO_malloc_debug_init();
4fd2ead0 BM	106	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
	107
	108	apps_startup();
	109
d02b48c6 RE	110	if (bio_err == NULL)
d02b48c6 RE	111	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	112	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6	113
d02b48c6 RE	114	ERR_load_crypto_strings();
	115
	116	/* Lets load up our environment a little */
06d5b162 RE	117	p=getenv("OPENSSL_CONF");
	118	if (p == NULL)
	119	p=getenv("SSLEAY_CONF");
d02b48c6 RE	120	if (p == NULL)
	121	{
	122	strcpy(config_name,X509_get_default_cert_area());
7d7d2cbc	123	#ifndef VMS
7af62c3c	124	strcat(config_name,"/");
7d7d2cbc	125	#endif
06d5b162	126	strcat(config_name,OPENSSL_CONF);
d02b48c6 RE	127	p=config_name;
	128	}
	129
	130	default_config_file=p;
	131
	132	config=CONF_load(config,p,&errline);
	133	if (config == NULL) ERR_clear_error();
	134
	135	prog=prog_init();
	136
	137	/* first check the program name */
	138	program_name(Argv[0],pname,PROG_NAME_SIZE);
	139
	140	f.name=pname;
9d1a01be	141	fp=(FUNCTION *)lh_retrieve(prog,&f);
d02b48c6 RE	142	if (fp != NULL)
	143	{
	144	Argv[0]=pname;
	145	ret=fp->func(Argc,Argv);
	146	goto end;
	147	}
	148
	149	/* ok, now check that there are not arguments, if there are,
	150	* run with them, shifting the ssleay off the front */
	151	if (Argc != 1)
	152	{
	153	Argc--;
	154	Argv++;
	155	ret=do_cmd(prog,Argc,Argv);
	156	if (ret < 0) ret=0;
	157	goto end;
	158	}
	159
06d5b162	160	/* ok, lets enter the old 'OpenSSL>' mode */
d02b48c6 RE	161
	162	for (;;)
	163	{
	164	ret=0;
	165	p=buf;
	166	n=1024;
	167	i=0;
	168	for (;;)
	169	{
	170	p[0]='\0';
	171	if (i++)
	172	prompt=">";
06d5b162	173	else prompt="OpenSSL> ";
d02b48c6 RE	174	fputs(prompt,stdout);
	175	fflush(stdout);
	176	fgets(p,n,stdin);
	177	if (p[0] == '\0') goto end;
	178	i=strlen(p);
	179	if (i <= 1) break;
	180	if (p[i-2] != '\\') break;
	181	i-=2;
	182	p+=i;
	183	n-=i;
	184	}
	185	if (!chopup_args(&arg,buf,&argc,&argv)) break;
	186
	187	ret=do_cmd(prog,argc,argv);
	188	if (ret < 0)
	189	{
	190	ret=0;
	191	goto end;
	192	}
	193	if (ret != 0)
	194	BIO_printf(bio_err,"error in %s\n",argv[0]);
d58d092b	195	(void)BIO_flush(bio_err);
d02b48c6 RE	196	}
	197	BIO_printf(bio_err,"bad exit\n");
	198	ret=1;
	199	end:
	200	if (config != NULL)
	201	{
	202	CONF_free(config);
	203	config=NULL;
	204	}
	205	if (prog != NULL) lh_free(prog);
26a3a48d	206	if (arg.data != NULL) OPENSSL_free(arg.data);
d02b48c6 RE	207	ERR_remove_state(0);
	208
	209	EVP_cleanup();
dfeab068	210	ERR_free_strings();
6e22639f	211
d02b48c6 RE	212	CRYPTO_mem_leaks(bio_err);
	213	if (bio_err != NULL)
	214	{
	215	BIO_free(bio_err);
	216	bio_err=NULL;
	217	}
	218	EXIT(ret);
	219	}
	220
fc8ee06b BM	221	#define LIST_STANDARD_COMMANDS "list-standard-commands"
	222	#define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
	223	#define LIST_CIPHER_COMMANDS "list-cipher-commands"
	224
6b691a5c	225	static int do_cmd(LHASH prog, int argc, char argv[])
d02b48c6 RE	226	{
	227	FUNCTION f,*fp;
	228	int i,ret=1,tp,nl;
	229
	230	if ((argc <= 0) \|\| (argv[0] == NULL))
	231	{ ret=0; goto end; }
	232	f.name=argv[0];
9d1a01be	233	fp=(FUNCTION *)lh_retrieve(prog,&f);
d02b48c6 RE	234	if (fp != NULL)
	235	{
	236	ret=fp->func(argc,argv);
	237	}
46c4647e BM	238	else if ((strncmp(argv[0],"no-",3)) == 0)
	239	{
	240	BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
	241	f.name=argv[0]+3;
	242	ret = (lh_retrieve(prog,&f) != NULL);
	243	if (!ret)
	244	BIO_printf(bio_stdout, "%s\n", argv[0]);
	245	else
	246	BIO_printf(bio_stdout, "%s\n", argv[0]+3);
	247	BIO_free(bio_stdout);
	248	goto end;
	249	}
d02b48c6 RE	250	else if ((strcmp(argv[0],"quit") == 0) \|\|
	251	(strcmp(argv[0],"q") == 0) \|\|
	252	(strcmp(argv[0],"exit") == 0) \|\|
	253	(strcmp(argv[0],"bye") == 0))
	254	{
	255	ret= -1;
	256	goto end;
	257	}
fc8ee06b BM	258	else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) \|\|
	259	(strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) \|\|
	260	(strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0))
	261	{
	262	int list_type;
	263	BIO *bio_stdout;
	264
	265	if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0)
	266	list_type = FUNC_TYPE_GENERAL;
	267	else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0)
	268	list_type = FUNC_TYPE_MD;
	269	else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
	270	list_type = FUNC_TYPE_CIPHER;
	271	bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
	272
	273	for (fp=functions; fp->name != NULL; fp++)
	274	if (fp->type == list_type)
	275	BIO_printf(bio_stdout, "%s\n", fp->name);
	276	BIO_free(bio_stdout);
	277	ret=0;
	278	goto end;
	279	}
d02b48c6 RE	280	else
d02b48c6 RE	281	{
06d5b162	282	BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n",
d02b48c6	283	argv[0]);
06d5b162	284	BIO_printf(bio_err, "\nStandard commands");
d02b48c6	285	i=0;
d02b48c6 RE	286	tp=0;
	287	for (fp=functions; fp->name != NULL; fp++)
	288	{
	289	nl=0;
	290	if (((i++) % 5) == 0)
	291	{
	292	BIO_printf(bio_err,"\n");
	293	nl=1;
	294	}
	295	if (fp->type != tp)
	296	{
	297	tp=fp->type;
	298	if (!nl) BIO_printf(bio_err,"\n");
	299	if (tp == FUNC_TYPE_MD)
	300	{
	301	i=1;
	302	BIO_printf(bio_err,
06d5b162	303	"\nMessage Digest commands (see the `dgst' command for more details)\n");
d02b48c6 RE	304	}
	305	else if (tp == FUNC_TYPE_CIPHER)
	306	{
	307	i=1;
06d5b162	308	BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n");
d02b48c6 RE	309	}
	310	}
	311	BIO_printf(bio_err,"%-15s",fp->name);
	312	}
06d5b162	313	BIO_printf(bio_err,"\n\n");
d02b48c6 RE	314	ret=0;
	315	}
	316	end:
	317	return(ret);
	318	}
	319
50acf46b BL	320	static int SortFnByName(const void _f1,const void _f2)
	321	{
	322	const FUNCTION *f1=_f1;
	323	const FUNCTION *f2=_f2;
	324
	325	if(f1->type != f2->type)
	326	return f1->type-f2->type;
	327	return strcmp(f1->name,f2->name);
	328	}
	329
6b691a5c	330	static LHASH *prog_init(void)
d02b48c6 RE	331	{
	332	LHASH *ret;
	333	FUNCTION *f;
50acf46b BL	334	int i;
	335
	336	/* Purely so it looks nice when the user hits ? */
	337	for(i=0,f=functions ; f->name != NULL ; ++f,++i)
	338	;
	339	qsort(functions,i,sizeof *functions,SortFnByName);
d02b48c6 RE	340
	341	if ((ret=lh_new(hash,cmp)) == NULL) return(NULL);
	342
	343	for (f=functions; f->name != NULL; f++)
9d1a01be	344	lh_insert(ret,f);
d02b48c6 RE	345	return(ret);
	346	}
	347
6b691a5c	348	static int MS_CALLBACK cmp(FUNCTION a, FUNCTION b)
d02b48c6 RE	349	{
	350	return(strncmp(a->name,b->name,8));
	351	}
	352
6b691a5c	353	static unsigned long MS_CALLBACK hash(FUNCTION *a)
d02b48c6 RE	354	{
	355	return(lh_strhash(a->name));
	356	}