xref: /freebsd/crypto/openssl/apps/pkcs7.c (revision ddd5b8e9b4d8957fce018c520657cdfa4ecffad3)
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 	PKCS7 *p7=NULL;
86 	int i,badops=0;
87 	BIO *in=NULL,*out=NULL;
88 	int informat,outformat;
89 	char *infile,*outfile,*prog;
90 	int print_certs=0,text=0,noout=0,p7_print=0;
91 	int ret=1;
92 #ifndef OPENSSL_NO_ENGINE
93 	char *engine=NULL;
94 #endif
95 
96 	apps_startup();
97 
98 	if (bio_err == NULL)
99 		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
100 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
101 
102 	if (!load_config(bio_err, NULL))
103 		goto end;
104 
105 	infile=NULL;
106 	outfile=NULL;
107 	informat=FORMAT_PEM;
108 	outformat=FORMAT_PEM;
109 
110 	prog=argv[0];
111 	argc--;
112 	argv++;
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,"-noout") == 0)
136 			noout=1;
137 		else if (strcmp(*argv,"-text") == 0)
138 			text=1;
139 		else if (strcmp(*argv,"-print") == 0)
140 			p7_print=1;
141 		else if (strcmp(*argv,"-print_certs") == 0)
142 			print_certs=1;
143 #ifndef OPENSSL_NO_ENGINE
144 		else if (strcmp(*argv,"-engine") == 0)
145 			{
146 			if (--argc < 1) goto bad;
147 			engine= *(++argv);
148 			}
149 #endif
150 		else
151 			{
152 			BIO_printf(bio_err,"unknown option %s\n",*argv);
153 			badops=1;
154 			break;
155 			}
156 		argc--;
157 		argv++;
158 		}
159 
160 	if (badops)
161 		{
162 bad:
163 		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
164 		BIO_printf(bio_err,"where options are\n");
165 		BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
166 		BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
167 		BIO_printf(bio_err," -in arg       input file\n");
168 		BIO_printf(bio_err," -out arg      output file\n");
169 		BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
170 		BIO_printf(bio_err," -text         print full details of certificates\n");
171 		BIO_printf(bio_err," -noout        don't output encoded data\n");
172 #ifndef OPENSSL_NO_ENGINE
173 		BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
174 #endif
175 		ret = 1;
176 		goto end;
177 		}
178 
179 	ERR_load_crypto_strings();
180 
181 #ifndef OPENSSL_NO_ENGINE
182         setup_engine(bio_err, engine, 0);
183 #endif
184 
185 	in=BIO_new(BIO_s_file());
186 	out=BIO_new(BIO_s_file());
187 	if ((in == NULL) || (out == NULL))
188 		{
189 		ERR_print_errors(bio_err);
190                 goto end;
191                 }
192 
193 	if (infile == NULL)
194 		BIO_set_fp(in,stdin,BIO_NOCLOSE);
195 	else
196 		{
197 		if (BIO_read_filename(in,infile) <= 0)
198 		if (in == NULL)
199 			{
200 			perror(infile);
201 			goto end;
202 			}
203 		}
204 
205 	if	(informat == FORMAT_ASN1)
206 		p7=d2i_PKCS7_bio(in,NULL);
207 	else if (informat == FORMAT_PEM)
208 		p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
209 	else
210 		{
211 		BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
212 		goto end;
213 		}
214 	if (p7 == NULL)
215 		{
216 		BIO_printf(bio_err,"unable to load PKCS7 object\n");
217 		ERR_print_errors(bio_err);
218 		goto end;
219 		}
220 
221 	if (outfile == NULL)
222 		{
223 		BIO_set_fp(out,stdout,BIO_NOCLOSE);
224 #ifdef OPENSSL_SYS_VMS
225 		{
226 		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
227 		out = BIO_push(tmpbio, out);
228 		}
229 #endif
230 		}
231 	else
232 		{
233 		if (BIO_write_filename(out,outfile) <= 0)
234 			{
235 			perror(outfile);
236 			goto end;
237 			}
238 		}
239 
240 	if (p7_print)
241 		PKCS7_print_ctx(out, p7, 0, NULL);
242 
243 	if (print_certs)
244 		{
245 		STACK_OF(X509) *certs=NULL;
246 		STACK_OF(X509_CRL) *crls=NULL;
247 
248 		i=OBJ_obj2nid(p7->type);
249 		switch (i)
250 			{
251 		case NID_pkcs7_signed:
252 			certs=p7->d.sign->cert;
253 			crls=p7->d.sign->crl;
254 			break;
255 		case NID_pkcs7_signedAndEnveloped:
256 			certs=p7->d.signed_and_enveloped->cert;
257 			crls=p7->d.signed_and_enveloped->crl;
258 			break;
259 		default:
260 			break;
261 			}
262 
263 		if (certs != NULL)
264 			{
265 			X509 *x;
266 
267 			for (i=0; i<sk_X509_num(certs); i++)
268 				{
269 				x=sk_X509_value(certs,i);
270 				if(text) X509_print(out, x);
271 				else dump_cert_text(out, x);
272 
273 				if(!noout) PEM_write_bio_X509(out,x);
274 				BIO_puts(out,"\n");
275 				}
276 			}
277 		if (crls != NULL)
278 			{
279 			X509_CRL *crl;
280 
281 			for (i=0; i<sk_X509_CRL_num(crls); i++)
282 				{
283 				crl=sk_X509_CRL_value(crls,i);
284 
285 				X509_CRL_print(out, crl);
286 
287 				if(!noout)PEM_write_bio_X509_CRL(out,crl);
288 				BIO_puts(out,"\n");
289 				}
290 			}
291 
292 		ret=0;
293 		goto end;
294 		}
295 
296 	if(!noout) {
297 		if 	(outformat == FORMAT_ASN1)
298 			i=i2d_PKCS7_bio(out,p7);
299 		else if (outformat == FORMAT_PEM)
300 			i=PEM_write_bio_PKCS7(out,p7);
301 		else	{
302 			BIO_printf(bio_err,"bad output format specified for outfile\n");
303 			goto end;
304 			}
305 
306 		if (!i)
307 			{
308 			BIO_printf(bio_err,"unable to write pkcs7 object\n");
309 			ERR_print_errors(bio_err);
310 			goto end;
311 			}
312 	}
313 	ret=0;
314 end:
315 	if (p7 != NULL) PKCS7_free(p7);
316 	if (in != NULL) BIO_free(in);
317 	if (out != NULL) BIO_free_all(out);
318 	apps_shutdown();
319 	OPENSSL_EXIT(ret);
320 	}
321