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) 1998-2001 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/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#include <openssl/fips.h>
133
134/* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the
135 * base prototypes (we cast each variable inside the function to the required
136 * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper
137 * functions. */
138
139/* static unsigned long MS_CALLBACK hash(FUNCTION *a); */
140static unsigned long MS_CALLBACK hash(const void *a_void);
141/* static int MS_CALLBACK cmp(FUNCTION *a,FUNCTION *b); */
142static int MS_CALLBACK cmp(const void *a_void,const void *b_void);
143static LHASH *prog_init(void );
144static int do_cmd(LHASH *prog,int argc,char *argv[]);
145char *default_config_file=NULL;
146
147/* Make sure there is only one when MONOLITH is defined */
148#ifdef MONOLITH
149CONF *config=NULL;
150BIO *bio_err=NULL;
151int in_FIPS_mode=0;
152#endif
153
154
155static 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
219int main(int Argc, char *Argv[])
220	{
221	ARGS arg;
222#define PROG_NAME_SIZE	39
223	char pname[PROG_NAME_SIZE+1];
224	FUNCTION f,*fp;
225	MS_STATIC char *prompt,buf[1024];
226	char *to_free=NULL;
227	int n,i,ret=0;
228	int argc;
229	char **argv,*p;
230	LHASH *prog=NULL;
231	long errline;
232
233	arg.data=NULL;
234	arg.count=0;
235
236	in_FIPS_mode = 0;
237
238#ifdef OPENSSL_FIPS
239	if(getenv("OPENSSL_FIPS")) {
240#if defined(_WIN32)
241		char filename[MAX_PATH] = "";
242		GetModuleFileNameA( NULL, filename, MAX_PATH) ;
243		p = filename;
244#else
245		p = Argv[0];
246#endif
247		if (!FIPS_mode_set(1,p)) {
248			ERR_load_crypto_strings();
249			ERR_print_errors(BIO_new_fp(stderr,BIO_NOCLOSE));
250			EXIT(1);
251		}
252		in_FIPS_mode = 1;
253		if (getenv("OPENSSL_FIPS_MD5"))
254			FIPS_allow_md5(1);
255		}
256#endif
257	if (bio_err == NULL)
258		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
259			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
260
261	if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) /* if not defined, use compiled-in library defaults */
262		{
263		if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off")))
264			{
265			CRYPTO_malloc_debug_init();
266			CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
267			}
268		else
269			{
270			/* OPENSSL_DEBUG_MEMORY=off */
271			CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
272			}
273		}
274	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
275
276#if 0
277	if (getenv("OPENSSL_DEBUG_LOCKING") != NULL)
278#endif
279		{
280		CRYPTO_set_locking_callback(lock_dbg_cb);
281		}
282
283	apps_startup();
284
285	/* Lets load up our environment a little */
286	p=getenv("OPENSSL_CONF");
287	if (p == NULL)
288		p=getenv("SSLEAY_CONF");
289	if (p == NULL)
290		p=to_free=make_config_name();
291
292	default_config_file=p;
293
294	config=NCONF_new(NULL);
295	i=NCONF_load(config,p,&errline);
296	if (i == 0)
297		{
298		NCONF_free(config);
299		config = NULL;
300		ERR_clear_error();
301		}
302
303	prog=prog_init();
304
305	/* first check the program name */
306	program_name(Argv[0],pname,sizeof pname);
307
308	f.name=pname;
309	fp=(FUNCTION *)lh_retrieve(prog,&f);
310	if (fp != NULL)
311		{
312		Argv[0]=pname;
313		ret=fp->func(Argc,Argv);
314		goto end;
315		}
316
317	/* ok, now check that there are not arguments, if there are,
318	 * run with them, shifting the ssleay off the front */
319	if (Argc != 1)
320		{
321		Argc--;
322		Argv++;
323		ret=do_cmd(prog,Argc,Argv);
324		if (ret < 0) ret=0;
325		goto end;
326		}
327
328	/* ok, lets enter the old 'OpenSSL>' mode */
329
330	for (;;)
331		{
332		ret=0;
333		p=buf;
334		n=sizeof buf;
335		i=0;
336		for (;;)
337			{
338			p[0]='\0';
339			if (i++)
340				prompt=">";
341			else	prompt="OpenSSL> ";
342			fputs(prompt,stdout);
343			fflush(stdout);
344			fgets(p,n,stdin);
345			if (p[0] == '\0') goto end;
346			i=strlen(p);
347			if (i <= 1) break;
348			if (p[i-2] != '\\') break;
349			i-=2;
350			p+=i;
351			n-=i;
352			}
353		if (!chopup_args(&arg,buf,&argc,&argv)) break;
354
355		ret=do_cmd(prog,argc,argv);
356		if (ret < 0)
357			{
358			ret=0;
359			goto end;
360			}
361		if (ret != 0)
362			BIO_printf(bio_err,"error in %s\n",argv[0]);
363		(void)BIO_flush(bio_err);
364		}
365	BIO_printf(bio_err,"bad exit\n");
366	ret=1;
367end:
368	if (to_free)
369		OPENSSL_free(to_free);
370	if (config != NULL)
371		{
372		NCONF_free(config);
373		config=NULL;
374		}
375	if (prog != NULL) lh_free(prog);
376	if (arg.data != NULL) OPENSSL_free(arg.data);
377
378	apps_shutdown();
379
380	CRYPTO_mem_leaks(bio_err);
381	if (bio_err != NULL)
382		{
383		BIO_free(bio_err);
384		bio_err=NULL;
385		}
386	OPENSSL_EXIT(ret);
387	}
388
389#define LIST_STANDARD_COMMANDS "list-standard-commands"
390#define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
391#define LIST_CIPHER_COMMANDS "list-cipher-commands"
392
393static int do_cmd(LHASH *prog, int argc, char *argv[])
394	{
395	FUNCTION f,*fp;
396	int i,ret=1,tp,nl;
397
398	if ((argc <= 0) || (argv[0] == NULL))
399		{ ret=0; goto end; }
400	f.name=argv[0];
401	fp=(FUNCTION *)lh_retrieve(prog,&f);
402	if (fp != NULL)
403		{
404		ret=fp->func(argc,argv);
405		}
406	else if ((strncmp(argv[0],"no-",3)) == 0)
407		{
408		BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
409#ifdef OPENSSL_SYS_VMS
410		{
411		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
412		bio_stdout = BIO_push(tmpbio, bio_stdout);
413		}
414#endif
415		f.name=argv[0]+3;
416		ret = (lh_retrieve(prog,&f) != NULL);
417		if (!ret)
418			BIO_printf(bio_stdout, "%s\n", argv[0]);
419		else
420			BIO_printf(bio_stdout, "%s\n", argv[0]+3);
421		BIO_free_all(bio_stdout);
422		goto end;
423		}
424	else if ((strcmp(argv[0],"quit") == 0) ||
425		(strcmp(argv[0],"q") == 0) ||
426		(strcmp(argv[0],"exit") == 0) ||
427		(strcmp(argv[0],"bye") == 0))
428		{
429		ret= -1;
430		goto end;
431		}
432	else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) ||
433		(strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
434		(strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0))
435		{
436		int list_type;
437		BIO *bio_stdout;
438
439		if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0)
440			list_type = FUNC_TYPE_GENERAL;
441		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0)
442			list_type = FUNC_TYPE_MD;
443		else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
444			list_type = FUNC_TYPE_CIPHER;
445		bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
446#ifdef OPENSSL_SYS_VMS
447		{
448		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
449		bio_stdout = BIO_push(tmpbio, bio_stdout);
450		}
451#endif
452
453		for (fp=functions; fp->name != NULL; fp++)
454			if (fp->type == list_type)
455				BIO_printf(bio_stdout, "%s\n", fp->name);
456		BIO_free_all(bio_stdout);
457		ret=0;
458		goto end;
459		}
460	else
461		{
462		BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n",
463			argv[0]);
464		BIO_printf(bio_err, "\nStandard commands");
465		i=0;
466		tp=0;
467		for (fp=functions; fp->name != NULL; fp++)
468			{
469			nl=0;
470			if (((i++) % 5) == 0)
471				{
472				BIO_printf(bio_err,"\n");
473				nl=1;
474				}
475			if (fp->type != tp)
476				{
477				tp=fp->type;
478				if (!nl) BIO_printf(bio_err,"\n");
479				if (tp == FUNC_TYPE_MD)
480					{
481					i=1;
482					BIO_printf(bio_err,
483						"\nMessage Digest commands (see the `dgst' command for more details)\n");
484					}
485				else if (tp == FUNC_TYPE_CIPHER)
486					{
487					i=1;
488					BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n");
489					}
490				}
491			BIO_printf(bio_err,"%-15s",fp->name);
492			}
493		BIO_printf(bio_err,"\n\n");
494		ret=0;
495		}
496end:
497	return(ret);
498	}
499
500static int SortFnByName(const void *_f1,const void *_f2)
501    {
502    const FUNCTION *f1=_f1;
503    const FUNCTION *f2=_f2;
504
505    if(f1->type != f2->type)
506	return f1->type-f2->type;
507    return strcmp(f1->name,f2->name);
508    }
509
510static LHASH *prog_init(void)
511	{
512	LHASH *ret;
513	FUNCTION *f;
514	int i;
515
516	/* Purely so it looks nice when the user hits ? */
517	for(i=0,f=functions ; f->name != NULL ; ++f,++i)
518	    ;
519	qsort(functions,i,sizeof *functions,SortFnByName);
520
521	if ((ret=lh_new(hash, cmp)) == NULL)
522		return(NULL);
523
524	for (f=functions; f->name != NULL; f++)
525		lh_insert(ret,f);
526	return(ret);
527	}
528
529/* static int MS_CALLBACK cmp(FUNCTION *a, FUNCTION *b) */
530static int MS_CALLBACK cmp(const void *a_void, const void *b_void)
531	{
532	return(strncmp(((FUNCTION *)a_void)->name,
533			((FUNCTION *)b_void)->name,8));
534	}
535
536/* static unsigned long MS_CALLBACK hash(FUNCTION *a) */
537static unsigned long MS_CALLBACK hash(const void *a_void)
538	{
539	return(lh_strhash(((FUNCTION *)a_void)->name));
540	}
541