sess_id.c revision 160814 
1/* apps/sess_id.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#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62#include "apps.h"
63#include <openssl/bio.h>
64#include <openssl/err.h>
65#include <openssl/x509.h>
66#include <openssl/pem.h>
67#include <openssl/ssl.h>
68
69#undef PROG
70#define PROG	sess_id_main
71
72static const char *sess_id_usage[]={
73"usage: sess_id args\n",
74"\n",
75" -inform arg     - input format - default PEM (DER or PEM)\n",
76" -outform arg    - output format - default PEM\n",
77" -in arg         - input file - default stdin\n",
78" -out arg        - output file - default stdout\n",
79" -text           - print ssl session id details\n",
80" -cert           - output certificate \n",
81" -noout          - no CRL output\n",
82" -context arg    - set the session ID context\n",
83NULL
84};
85
86static SSL_SESSION *load_sess_id(char *file, int format);
87
88int MAIN(int, char **);
89
90int MAIN(int argc, char **argv)
91	{
92	SSL_SESSION *x=NULL;
93	int ret=1,i,num,badops=0;
94	BIO *out=NULL;
95	int informat,outformat;
96	char *infile=NULL,*outfile=NULL,*context=NULL;
97	int cert=0,noout=0,text=0;
98	const char **pp;
99
100	apps_startup();
101
102	if (bio_err == NULL)
103		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
104			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
105
106	informat=FORMAT_PEM;
107	outformat=FORMAT_PEM;
108
109	argc--;
110	argv++;
111	num=0;
112	while (argc >= 1)
113		{
114		if 	(strcmp(*argv,"-inform") == 0)
115			{
116			if (--argc < 1) goto bad;
117			informat=str2fmt(*(++argv));
118			}
119		else if (strcmp(*argv,"-outform") == 0)
120			{
121			if (--argc < 1) goto bad;
122			outformat=str2fmt(*(++argv));
123			}
124		else if (strcmp(*argv,"-in") == 0)
125			{
126			if (--argc < 1) goto bad;
127			infile= *(++argv);
128			}
129		else if (strcmp(*argv,"-out") == 0)
130			{
131			if (--argc < 1) goto bad;
132			outfile= *(++argv);
133			}
134		else if (strcmp(*argv,"-text") == 0)
135			text= ++num;
136		else if (strcmp(*argv,"-cert") == 0)
137			cert= ++num;
138		else if (strcmp(*argv,"-noout") == 0)
139			noout= ++num;
140		else if (strcmp(*argv,"-context") == 0)
141		    {
142		    if(--argc < 1) goto bad;
143		    context=*++argv;
144		    }
145		else
146			{
147			BIO_printf(bio_err,"unknown option %s\n",*argv);
148			badops=1;
149			break;
150			}
151		argc--;
152		argv++;
153		}
154
155	if (badops)
156		{
157bad:
158		for (pp=sess_id_usage; (*pp != NULL); pp++)
159			BIO_printf(bio_err,"%s",*pp);
160		goto end;
161		}
162
163	ERR_load_crypto_strings();
164	x=load_sess_id(infile,informat);
165	if (x == NULL) { goto end; }
166
167	if(context)
168	    {
169	    x->sid_ctx_length=strlen(context);
170	    if(x->sid_ctx_length > SSL_MAX_SID_CTX_LENGTH)
171		{
172		BIO_printf(bio_err,"Context too long\n");
173		goto end;
174		}
175	    memcpy(x->sid_ctx,context,x->sid_ctx_length);
176	    }
177
178#ifdef undef
179	/* just testing for memory leaks :-) */
180	{
181	SSL_SESSION *s;
182	char buf[1024*10],*p;
183	int i;
184
185	s=SSL_SESSION_new();
186
187	p= &buf;
188	i=i2d_SSL_SESSION(x,&p);
189	p= &buf;
190	d2i_SSL_SESSION(&s,&p,(long)i);
191	p= &buf;
192	d2i_SSL_SESSION(&s,&p,(long)i);
193	p= &buf;
194	d2i_SSL_SESSION(&s,&p,(long)i);
195	SSL_SESSION_free(s);
196	}
197#endif
198
199	if (!noout || text)
200		{
201		out=BIO_new(BIO_s_file());
202		if (out == NULL)
203			{
204			ERR_print_errors(bio_err);
205			goto end;
206			}
207
208		if (outfile == NULL)
209			{
210			BIO_set_fp(out,stdout,BIO_NOCLOSE);
211#ifdef OPENSSL_SYS_VMS
212			{
213			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
214			out = BIO_push(tmpbio, out);
215			}
216#endif
217			}
218		else
219			{
220			if (BIO_write_filename(out,outfile) <= 0)
221				{
222				perror(outfile);
223				goto end;
224				}
225			}
226		}
227
228	if (text)
229		{
230		SSL_SESSION_print(out,x);
231
232		if (cert)
233			{
234			if (x->peer == NULL)
235				BIO_puts(out,"No certificate present\n");
236			else
237				X509_print(out,x->peer);
238			}
239		}
240
241	if (!noout && !cert)
242		{
243		if 	(outformat == FORMAT_ASN1)
244			i=i2d_SSL_SESSION_bio(out,x);
245		else if (outformat == FORMAT_PEM)
246			i=PEM_write_bio_SSL_SESSION(out,x);
247		else	{
248			BIO_printf(bio_err,"bad output format specified for outfile\n");
249			goto end;
250			}
251		if (!i) {
252			BIO_printf(bio_err,"unable to write SSL_SESSION\n");
253			goto end;
254			}
255		}
256	else if (!noout && (x->peer != NULL)) /* just print the certificate */
257		{
258		if 	(outformat == FORMAT_ASN1)
259			i=(int)i2d_X509_bio(out,x->peer);
260		else if (outformat == FORMAT_PEM)
261			i=PEM_write_bio_X509(out,x->peer);
262		else	{
263			BIO_printf(bio_err,"bad output format specified for outfile\n");
264			goto end;
265			}
266		if (!i) {
267			BIO_printf(bio_err,"unable to write X509\n");
268			goto end;
269			}
270		}
271	ret=0;
272end:
273	if (out != NULL) BIO_free_all(out);
274	if (x != NULL) SSL_SESSION_free(x);
275	apps_shutdown();
276	OPENSSL_EXIT(ret);
277	}
278
279static SSL_SESSION *load_sess_id(char *infile, int format)
280	{
281	SSL_SESSION *x=NULL;
282	BIO *in=NULL;
283
284	in=BIO_new(BIO_s_file());
285	if (in == NULL)
286		{
287		ERR_print_errors(bio_err);
288		goto end;
289		}
290
291	if (infile == NULL)
292		BIO_set_fp(in,stdin,BIO_NOCLOSE);
293	else
294		{
295		if (BIO_read_filename(in,infile) <= 0)
296			{
297			perror(infile);
298			goto end;
299			}
300		}
301	if 	(format == FORMAT_ASN1)
302		x=d2i_SSL_SESSION_bio(in,NULL);
303	else if (format == FORMAT_PEM)
304		x=PEM_read_bio_SSL_SESSION(in,NULL,NULL,NULL);
305	else	{
306		BIO_printf(bio_err,"bad input format specified for input crl\n");
307		goto end;
308		}
309	if (x == NULL)
310		{
311		BIO_printf(bio_err,"unable to load SSL_SESSION\n");
312		ERR_print_errors(bio_err);
313		goto end;
314		}
315
316end:
317	if (in != NULL) BIO_free(in);
318	return(x);
319	}
320
321