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/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 unsigned long MS_CALLBACK hash(FUNCTION *a); */
139static unsigned long MS_CALLBACK hash(const void *a_void);
140/* static int MS_CALLBACK cmp(FUNCTION *a,FUNCTION *b); */
141static int MS_CALLBACK cmp(const void *a_void,const void *b_void);
142static LHASH *prog_init(void );
143static int do_cmd(LHASH *prog,int argc,char *argv[]);
144char *default_config_file=NULL;
145
146/* Make sure there is only one when MONOLITH is defined */
147#ifdef MONOLITH
148CONF *config=NULL;
149BIO *bio_err=NULL;
150int in_FIPS_mode=0;
151#endif
152
153
154static void lock_dbg_cb(int mode, int type, const char *file, int line)
155	{
156	static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
157	const char *errstr = NULL;
158	int rw;
159
160	rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
161	if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
162		{
163		errstr = "invalid mode";
164		goto err;
165		}
166
167	if (type < 0 || type >= CRYPTO_NUM_LOCKS)
168		{
169		errstr = "type out of bounds";
170		goto err;
171		}
172
173	if (mode & CRYPTO_LOCK)
174		{
175		if (modes[type])
176			{
177			errstr = "already locked";
178			/* must not happen in a single-threaded program
179			 * (would deadlock) */
180			goto err;
181			}
182
183		modes[type] = rw;
184		}
185	else if (mode & CRYPTO_UNLOCK)
186		{
187		if (!modes[type])
188			{
189			errstr = "not locked";
190			goto err;
191			}
192
193		if (modes[type] != rw)
194			{
195			errstr = (rw == CRYPTO_READ) ?
196				"CRYPTO_r_unlock on write lock" :
197				"CRYPTO_w_unlock on read lock";
198			}
199
200		modes[type] = 0;
201		}
202	else
203		{
204		errstr = "invalid mode";
205		goto err;
206		}
207
208 err:
209	if (errstr)
210		{
211		/* we cannot use bio_err here */
212		fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
213			errstr, mode, type, file, line);
214		}
215	}
216
217
218int main(int Argc, char *Argv[])
219	{
220	ARGS arg;
221#define PROG_NAME_SIZE	39
222	char pname[PROG_NAME_SIZE+1];
223	FUNCTION f,*fp;
224	MS_STATIC const char *prompt;
225	MS_STATIC char 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	if(getenv("OPENSSL_FIPS")) {
239#ifdef OPENSSL_FIPS
240		if (!FIPS_mode_set(1)) {
241			ERR_load_crypto_strings();
242			ERR_print_errors(BIO_new_fp(stderr,BIO_NOCLOSE));
243			EXIT(1);
244		}
245		in_FIPS_mode = 1;
246#else
247		fprintf(stderr, "FIPS mode not supported.\n");
248		EXIT(1);
249#endif
250		}
251
252	if (bio_err == NULL)
253		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
254			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
255
256	if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) /* if not defined, use compiled-in library defaults */
257		{
258		if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off")))
259			{
260			CRYPTO_malloc_debug_init();
261			CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
262			}
263		else
264			{
265			/* OPENSSL_DEBUG_MEMORY=off */
266			CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
267			}
268		}
269	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
270
271#if 0
272	if (getenv("OPENSSL_DEBUG_LOCKING") != NULL)
273#endif
274		{
275		CRYPTO_set_locking_callback(lock_dbg_cb);
276		}
277
278	apps_startup();
279
280	/* Lets load up our environment a little */
281	p=getenv("OPENSSL_CONF");
282	if (p == NULL)
283		p=getenv("SSLEAY_CONF");
284	if (p == NULL)
285		p=to_free=make_config_name();
286
287	default_config_file=p;
288
289	config=NCONF_new(NULL);
290	i=NCONF_load(config,p,&errline);
291	if (i == 0)
292		{
293		NCONF_free(config);
294		config = NULL;
295		ERR_clear_error();
296		}
297
298	prog=prog_init();
299
300	/* first check the program name */
301	program_name(Argv[0],pname,sizeof pname);
302
303	f.name=pname;
304	fp=(FUNCTION *)lh_retrieve(prog,&f);
305	if (fp != NULL)
306		{
307		Argv[0]=pname;
308		ret=fp->func(Argc,Argv);
309		goto end;
310		}
311
312	/* ok, now check that there are not arguments, if there are,
313	 * run with them, shifting the ssleay off the front */
314	if (Argc != 1)
315		{
316		Argc--;
317		Argv++;
318		ret=do_cmd(prog,Argc,Argv);
319		if (ret < 0) ret=0;
320		goto end;
321		}
322
323	/* ok, lets enter the old 'OpenSSL>' mode */
324
325	for (;;)
326		{
327		ret=0;
328		p=buf;
329		n=sizeof buf;
330		i=0;
331		for (;;)
332			{
333			p[0]='\0';
334			if (i++)
335				prompt=">";
336			else	prompt="OpenSSL> ";
337			fputs(prompt,stdout);
338			fflush(stdout);
339			if (!fgets(p,n,stdin))
340				goto end;
341			if (p[0] == '\0') goto end;
342			i=strlen(p);
343			if (i <= 1) break;
344			if (p[i-2] != '\\') break;
345			i-=2;
346			p+=i;
347			n-=i;
348			}
349		if (!chopup_args(&arg,buf,&argc,&argv)) break;
350
351		ret=do_cmd(prog,argc,argv);
352		if (ret < 0)
353			{
354			ret=0;
355			goto end;
356			}
357		if (ret != 0)
358			BIO_printf(bio_err,"error in %s\n",argv[0]);
359		(void)BIO_flush(bio_err);
360		}
361	BIO_printf(bio_err,"bad exit\n");
362	ret=1;
363end:
364	if (to_free)
365		OPENSSL_free(to_free);
366	if (config != NULL)
367		{
368		NCONF_free(config);
369		config=NULL;
370		}
371	if (prog != NULL) lh_free(prog);
372	if (arg.data != NULL) OPENSSL_free(arg.data);
373
374	apps_shutdown();
375
376	CRYPTO_mem_leaks(bio_err);
377	if (bio_err != NULL)
378		{
379		BIO_free(bio_err);
380		bio_err=NULL;
381		}
382	OPENSSL_EXIT(ret);
383	}
384
385#define LIST_STANDARD_COMMANDS "list-standard-commands"
386#define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands"
387#define LIST_CIPHER_COMMANDS "list-cipher-commands"
388
389static int do_cmd(LHASH *prog, int argc, char *argv[])
390	{
391	FUNCTION f,*fp;
392	int i,ret=1,tp,nl;
393
394	if ((argc <= 0) || (argv[0] == NULL))
395		{ ret=0; goto end; }
396	f.name=argv[0];
397	fp=(FUNCTION *)lh_retrieve(prog,&f);
398	if (fp != NULL)
399		{
400		ret=fp->func(argc,argv);
401		}
402	else if ((strncmp(argv[0],"no-",3)) == 0)
403		{
404		BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
405#ifdef OPENSSL_SYS_VMS
406		{
407		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
408		bio_stdout = BIO_push(tmpbio, bio_stdout);
409		}
410#endif
411		f.name=argv[0]+3;
412		ret = (lh_retrieve(prog,&f) != NULL);
413		if (!ret)
414			BIO_printf(bio_stdout, "%s\n", argv[0]);
415		else
416			BIO_printf(bio_stdout, "%s\n", argv[0]+3);
417		BIO_free_all(bio_stdout);
418		goto end;
419		}
420	else if ((strcmp(argv[0],"quit") == 0) ||
421		(strcmp(argv[0],"q") == 0) ||
422		(strcmp(argv[0],"exit") == 0) ||
423		(strcmp(argv[0],"bye") == 0))
424		{
425		ret= -1;
426		goto end;
427		}
428	else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) ||
429		(strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) ||
430		(strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0))
431		{
432		int list_type;
433		BIO *bio_stdout;
434
435		if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0)
436			list_type = FUNC_TYPE_GENERAL;
437		else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0)
438			list_type = FUNC_TYPE_MD;
439		else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */
440			list_type = FUNC_TYPE_CIPHER;
441		bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE);
442#ifdef OPENSSL_SYS_VMS
443		{
444		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
445		bio_stdout = BIO_push(tmpbio, bio_stdout);
446		}
447#endif
448
449		for (fp=functions; fp->name != NULL; fp++)
450			if (fp->type == list_type)
451				BIO_printf(bio_stdout, "%s\n", fp->name);
452		BIO_free_all(bio_stdout);
453		ret=0;
454		goto end;
455		}
456	else
457		{
458		BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n",
459			argv[0]);
460		BIO_printf(bio_err, "\nStandard commands");
461		i=0;
462		tp=0;
463		for (fp=functions; fp->name != NULL; fp++)
464			{
465			nl=0;
466#ifdef OPENSSL_NO_CAMELLIA
467			if (((i++) % 5) == 0)
468#else
469			if (((i++) % 4) == 0)
470#endif
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#ifdef OPENSSL_NO_CAMELLIA
492			BIO_printf(bio_err,"%-15s",fp->name);
493#else
494			BIO_printf(bio_err,"%-18s",fp->name);
495#endif
496			}
497		BIO_printf(bio_err,"\n\n");
498		ret=0;
499		}
500end:
501	return(ret);
502	}
503
504static int SortFnByName(const void *_f1,const void *_f2)
505    {
506    const FUNCTION *f1=_f1;
507    const FUNCTION *f2=_f2;
508
509    if(f1->type != f2->type)
510	return f1->type-f2->type;
511    return strcmp(f1->name,f2->name);
512    }
513
514static LHASH *prog_init(void)
515	{
516	LHASH *ret;
517	FUNCTION *f;
518	size_t i;
519
520	/* Purely so it looks nice when the user hits ? */
521	for(i=0,f=functions ; f->name != NULL ; ++f,++i)
522	    ;
523	qsort(functions,i,sizeof *functions,SortFnByName);
524
525	if ((ret=lh_new(hash, cmp)) == NULL)
526		return(NULL);
527
528	for (f=functions; f->name != NULL; f++)
529		lh_insert(ret,f);
530	return(ret);
531	}
532
533/* static int MS_CALLBACK cmp(FUNCTION *a, FUNCTION *b) */
534static int MS_CALLBACK cmp(const void *a_void, const void *b_void)
535	{
536	return(strncmp(((const FUNCTION *)a_void)->name,
537			((const FUNCTION *)b_void)->name,8));
538	}
539
540/* static unsigned long MS_CALLBACK hash(FUNCTION *a) */
541static unsigned long MS_CALLBACK hash(const void *a_void)
542	{
543	return(lh_strhash(((const FUNCTION *)a_void)->name));
544	}
545