xref: /freebsd/crypto/openssl/apps/pkcs7.c (revision 39beb93c3f8bdbf72a61fda42300b5ebed7390c8)
1 /* apps/pkcs7.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 <time.h>
63 #include "apps.h"
64 #include <openssl/err.h>
65 #include <openssl/objects.h>
66 #include <openssl/evp.h>
67 #include <openssl/x509.h>
68 #include <openssl/pkcs7.h>
69 #include <openssl/pem.h>
70 
71 #undef PROG
72 #define PROG	pkcs7_main
73 
74 /* -inform arg	- input format - default PEM (DER or PEM)
75  * -outform arg - output format - default PEM
76  * -in arg	- input file - default stdin
77  * -out arg	- output file - default stdout
78  * -print_certs
79  */
80 
81 int MAIN(int, char **);
82 
83 int MAIN(int argc, char **argv)
84 	{
85 #ifndef OPENSSL_NO_ENGINE
86 	ENGINE *e = NULL;
87 #endif
88 	PKCS7 *p7=NULL;
89 	int i,badops=0;
90 	BIO *in=NULL,*out=NULL;
91 	int informat,outformat;
92 	char *infile,*outfile,*prog;
93 	int print_certs=0,text=0,noout=0;
94 	int ret=1;
95 #ifndef OPENSSL_NO_ENGINE
96 	char *engine=NULL;
97 #endif
98 
99 	apps_startup();
100 
101 	if (bio_err == NULL)
102 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
103 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
104 
105 	if (!load_config(bio_err, NULL))
106 		goto end;
107 
108 	infile=NULL;
109 	outfile=NULL;
110 	informat=FORMAT_PEM;
111 	outformat=FORMAT_PEM;
112 
113 	prog=argv[0];
114 	argc--;
115 	argv++;
116 	while (argc >= 1)
117 		{
118 		if 	(strcmp(*argv,"-inform") == 0)
119 			{
120 			if (--argc < 1) goto bad;
121 			informat=str2fmt(*(++argv));
122 			}
123 		else if (strcmp(*argv,"-outform") == 0)
124 			{
125 			if (--argc < 1) goto bad;
126 			outformat=str2fmt(*(++argv));
127 			}
128 		else if (strcmp(*argv,"-in") == 0)
129 			{
130 			if (--argc < 1) goto bad;
131 			infile= *(++argv);
132 			}
133 		else if (strcmp(*argv,"-out") == 0)
134 			{
135 			if (--argc < 1) goto bad;
136 			outfile= *(++argv);
137 			}
138 		else if (strcmp(*argv,"-noout") == 0)
139 			noout=1;
140 		else if (strcmp(*argv,"-text") == 0)
141 			text=1;
142 		else if (strcmp(*argv,"-print_certs") == 0)
143 			print_certs=1;
144 #ifndef OPENSSL_NO_ENGINE
145 		else if (strcmp(*argv,"-engine") == 0)
146 			{
147 			if (--argc < 1) goto bad;
148 			engine= *(++argv);
149 			}
150 #endif
151 		else
152 			{
153 			BIO_printf(bio_err,"unknown option %s\n",*argv);
154 			badops=1;
155 			break;
156 			}
157 		argc--;
158 		argv++;
159 		}
160 
161 	if (badops)
162 		{
163 bad:
164 		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
165 		BIO_printf(bio_err,"where options are\n");
166 		BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
167 		BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
168 		BIO_printf(bio_err," -in arg       input file\n");
169 		BIO_printf(bio_err," -out arg      output file\n");
170 		BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
171 		BIO_printf(bio_err," -text         print full details of certificates\n");
172 		BIO_printf(bio_err," -noout        don't output encoded data\n");
173 #ifndef OPENSSL_NO_ENGINE
174 		BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
175 #endif
176 		ret = 1;
177 		goto end;
178 		}
179 
180 	ERR_load_crypto_strings();
181 
182 #ifndef OPENSSL_NO_ENGINE
183         e = setup_engine(bio_err, engine, 0);
184 #endif
185 
186 	in=BIO_new(BIO_s_file());
187 	out=BIO_new(BIO_s_file());
188 	if ((in == NULL) || (out == NULL))
189 		{
190 		ERR_print_errors(bio_err);
191                 goto end;
192                 }
193 
194 	if (infile == NULL)
195 		BIO_set_fp(in,stdin,BIO_NOCLOSE);
196 	else
197 		{
198 		if (BIO_read_filename(in,infile) <= 0)
199 		if (in == NULL)
200 			{
201 			perror(infile);
202 			goto end;
203 			}
204 		}
205 
206 	if	(informat == FORMAT_ASN1)
207 		p7=d2i_PKCS7_bio(in,NULL);
208 	else if (informat == FORMAT_PEM)
209 		p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
210 	else
211 		{
212 		BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
213 		goto end;
214 		}
215 	if (p7 == NULL)
216 		{
217 		BIO_printf(bio_err,"unable to load PKCS7 object\n");
218 		ERR_print_errors(bio_err);
219 		goto end;
220 		}
221 
222 	if (outfile == NULL)
223 		{
224 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
225 #ifdef OPENSSL_SYS_VMS
226 		{
227 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
228 		out = BIO_push(tmpbio, out);
229 		}
230 #endif
231 		}
232 	else
233 		{
234 		if (BIO_write_filename(out,outfile) <= 0)
235 			{
236 			perror(outfile);
237 			goto end;
238 			}
239 		}
240 
241 	if (print_certs)
242 		{
243 		STACK_OF(X509) *certs=NULL;
244 		STACK_OF(X509_CRL) *crls=NULL;
245 
246 		i=OBJ_obj2nid(p7->type);
247 		switch (i)
248 			{
249 		case NID_pkcs7_signed:
250 			certs=p7->d.sign->cert;
251 			crls=p7->d.sign->crl;
252 			break;
253 		case NID_pkcs7_signedAndEnveloped:
254 			certs=p7->d.signed_and_enveloped->cert;
255 			crls=p7->d.signed_and_enveloped->crl;
256 			break;
257 		default:
258 			break;
259 			}
260 
261 		if (certs != NULL)
262 			{
263 			X509 *x;
264 
265 			for (i=0; i<sk_X509_num(certs); i++)
266 				{
267 				x=sk_X509_value(certs,i);
268 				if(text) X509_print(out, x);
269 				else dump_cert_text(out, x);
270 
271 				if(!noout) PEM_write_bio_X509(out,x);
272 				BIO_puts(out,"\n");
273 				}
274 			}
275 		if (crls != NULL)
276 			{
277 			X509_CRL *crl;
278 
279 			for (i=0; i<sk_X509_CRL_num(crls); i++)
280 				{
281 				crl=sk_X509_CRL_value(crls,i);
282 
283 				X509_CRL_print(out, crl);
284 
285 				if(!noout)PEM_write_bio_X509_CRL(out,crl);
286 				BIO_puts(out,"\n");
287 				}
288 			}
289 
290 		ret=0;
291 		goto end;
292 		}
293 
294 	if(!noout) {
295 		if 	(outformat == FORMAT_ASN1)
296 			i=i2d_PKCS7_bio(out,p7);
297 		else if (outformat == FORMAT_PEM)
298 			i=PEM_write_bio_PKCS7(out,p7);
299 		else	{
300 			BIO_printf(bio_err,"bad output format specified for outfile\n");
301 			goto end;
302 			}
303 
304 		if (!i)
305 			{
306 			BIO_printf(bio_err,"unable to write pkcs7 object\n");
307 			ERR_print_errors(bio_err);
308 			goto end;
309 			}
310 	}
311 	ret=0;
312 end:
313 	if (p7 != NULL) PKCS7_free(p7);
314 	if (in != NULL) BIO_free(in);
315 	if (out != NULL) BIO_free_all(out);
316 	apps_shutdown();
317 	OPENSSL_EXIT(ret);
318 	}
319