xref: /freebsd/crypto/openssl/apps/sess_id.c (revision 7bd6fde3) 
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 	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 		{
157 bad:
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;
272 end:
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 
279 static 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 
316 end:
317 	if (in != NULL) BIO_free(in);
318 	return(x);
319 	}
320 
321