xref: /freebsd/crypto/openssl/apps/sess_id.c (revision 617aa98c6c25406d90089351dbdf69d3a205f49d)
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 
72 static 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",
83 NULL
84 };
85 
86 static SSL_SESSION *load_sess_id(char *file, int format);
87 
88 int MAIN(int, char **);
89 
90 int MAIN(int argc, char **argv)
91 	{
92 	SSL_SESSION *x=NULL;
93 	X509 *peer = NULL;
94 	int ret=1,i,num,badops=0;
95 	BIO *out=NULL;
96 	int informat,outformat;
97 	char *infile=NULL,*outfile=NULL,*context=NULL;
98 	int cert=0,noout=0,text=0;
99 	const char **pp;
100 
101 	apps_startup();
102 
103 	if (bio_err == NULL)
104 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
105 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
106 
107 	informat=FORMAT_PEM;
108 	outformat=FORMAT_PEM;
109 
110 	argc--;
111 	argv++;
112 	num=0;
113 	while (argc >= 1)
114 		{
115 		if 	(strcmp(*argv,"-inform") == 0)
116 			{
117 			if (--argc < 1) goto bad;
118 			informat=str2fmt(*(++argv));
119 			}
120 		else if (strcmp(*argv,"-outform") == 0)
121 			{
122 			if (--argc < 1) goto bad;
123 			outformat=str2fmt(*(++argv));
124 			}
125 		else if (strcmp(*argv,"-in") == 0)
126 			{
127 			if (--argc < 1) goto bad;
128 			infile= *(++argv);
129 			}
130 		else if (strcmp(*argv,"-out") == 0)
131 			{
132 			if (--argc < 1) goto bad;
133 			outfile= *(++argv);
134 			}
135 		else if (strcmp(*argv,"-text") == 0)
136 			text= ++num;
137 		else if (strcmp(*argv,"-cert") == 0)
138 			cert= ++num;
139 		else if (strcmp(*argv,"-noout") == 0)
140 			noout= ++num;
141 		else if (strcmp(*argv,"-context") == 0)
142 		    {
143 		    if(--argc < 1) goto bad;
144 		    context=*++argv;
145 		    }
146 		else
147 			{
148 			BIO_printf(bio_err,"unknown option %s\n",*argv);
149 			badops=1;
150 			break;
151 			}
152 		argc--;
153 		argv++;
154 		}
155 
156 	if (badops)
157 		{
158 bad:
159 		for (pp=sess_id_usage; (*pp != NULL); pp++)
160 			BIO_printf(bio_err,"%s",*pp);
161 		goto end;
162 		}
163 
164 	ERR_load_crypto_strings();
165 	x=load_sess_id(infile,informat);
166 	if (x == NULL) { goto end; }
167 	peer = SSL_SESSION_get0_peer(x);
168 
169 	if(context)
170 	    {
171 	    size_t ctx_len = strlen(context);
172 	    if(ctx_len > SSL_MAX_SID_CTX_LENGTH)
173 		{
174 		BIO_printf(bio_err,"Context too long\n");
175 		goto end;
176 		}
177 	    SSL_SESSION_set1_id_context(x, (unsigned char *)context, ctx_len);
178 	    }
179 
180 #ifdef undef
181 	/* just testing for memory leaks :-) */
182 	{
183 	SSL_SESSION *s;
184 	char buf[1024*10],*p;
185 	int i;
186 
187 	s=SSL_SESSION_new();
188 
189 	p= &buf;
190 	i=i2d_SSL_SESSION(x,&p);
191 	p= &buf;
192 	d2i_SSL_SESSION(&s,&p,(long)i);
193 	p= &buf;
194 	d2i_SSL_SESSION(&s,&p,(long)i);
195 	p= &buf;
196 	d2i_SSL_SESSION(&s,&p,(long)i);
197 	SSL_SESSION_free(s);
198 	}
199 #endif
200 
201 	if (!noout || text)
202 		{
203 		out=BIO_new(BIO_s_file());
204 		if (out == NULL)
205 			{
206 			ERR_print_errors(bio_err);
207 			goto end;
208 			}
209 
210 		if (outfile == NULL)
211 			{
212 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
213 #ifdef OPENSSL_SYS_VMS
214 			{
215 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
216 			out = BIO_push(tmpbio, out);
217 			}
218 #endif
219 			}
220 		else
221 			{
222 			if (BIO_write_filename(out,outfile) <= 0)
223 				{
224 				perror(outfile);
225 				goto end;
226 				}
227 			}
228 		}
229 
230 	if (text)
231 		{
232 		SSL_SESSION_print(out,x);
233 
234 		if (cert)
235 			{
236 			if (peer == NULL)
237 				BIO_puts(out,"No certificate present\n");
238 			else
239 				X509_print(out,peer);
240 			}
241 		}
242 
243 	if (!noout && !cert)
244 		{
245 		if 	(outformat == FORMAT_ASN1)
246 			i=i2d_SSL_SESSION_bio(out,x);
247 		else if (outformat == FORMAT_PEM)
248 			i=PEM_write_bio_SSL_SESSION(out,x);
249 		else	{
250 			BIO_printf(bio_err,"bad output format specified for outfile\n");
251 			goto end;
252 			}
253 		if (!i) {
254 			BIO_printf(bio_err,"unable to write SSL_SESSION\n");
255 			goto end;
256 			}
257 		}
258 	else if (!noout && (peer != NULL)) /* just print the certificate */
259 		{
260 		if 	(outformat == FORMAT_ASN1)
261 			i=(int)i2d_X509_bio(out,peer);
262 		else if (outformat == FORMAT_PEM)
263 			i=PEM_write_bio_X509(out,peer);
264 		else	{
265 			BIO_printf(bio_err,"bad output format specified for outfile\n");
266 			goto end;
267 			}
268 		if (!i) {
269 			BIO_printf(bio_err,"unable to write X509\n");
270 			goto end;
271 			}
272 		}
273 	ret=0;
274 end:
275 	if (out != NULL) BIO_free_all(out);
276 	if (x != NULL) SSL_SESSION_free(x);
277 	apps_shutdown();
278 	OPENSSL_EXIT(ret);
279 	}
280 
281 static SSL_SESSION *load_sess_id(char *infile, int format)
282 	{
283 	SSL_SESSION *x=NULL;
284 	BIO *in=NULL;
285 
286 	in=BIO_new(BIO_s_file());
287 	if (in == NULL)
288 		{
289 		ERR_print_errors(bio_err);
290 		goto end;
291 		}
292 
293 	if (infile == NULL)
294 		BIO_set_fp(in,stdin,BIO_NOCLOSE);
295 	else
296 		{
297 		if (BIO_read_filename(in,infile) <= 0)
298 			{
299 			perror(infile);
300 			goto end;
301 			}
302 		}
303 	if 	(format == FORMAT_ASN1)
304 		x=d2i_SSL_SESSION_bio(in,NULL);
305 	else if (format == FORMAT_PEM)
306 		x=PEM_read_bio_SSL_SESSION(in,NULL,NULL,NULL);
307 	else	{
308 		BIO_printf(bio_err,"bad input format specified for input crl\n");
309 		goto end;
310 		}
311 	if (x == NULL)
312 		{
313 		BIO_printf(bio_err,"unable to load SSL_SESSION\n");
314 		ERR_print_errors(bio_err);
315 		goto end;
316 		}
317 
318 end:
319 	if (in != NULL) BIO_free(in);
320 	return(x);
321 	}
322 
323