pkcs7.c revision 221304ee937bc0910948a8be1320cb8cc4eb6d36 
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
81int MAIN(int, char **);
82
83int 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,p7_print=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") == 0)
143			p7_print=1;
144		else if (strcmp(*argv,"-print_certs") == 0)
145			print_certs=1;
146#ifndef OPENSSL_NO_ENGINE
147		else if (strcmp(*argv,"-engine") == 0)
148			{
149			if (--argc < 1) goto bad;
150			engine= *(++argv);
151			}
152#endif
153		else
154			{
155			BIO_printf(bio_err,"unknown option %s\n",*argv);
156			badops=1;
157			break;
158			}
159		argc--;
160		argv++;
161		}
162
163	if (badops)
164		{
165bad:
166		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
167		BIO_printf(bio_err,"where options are\n");
168		BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
169		BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
170		BIO_printf(bio_err," -in arg       input file\n");
171		BIO_printf(bio_err," -out arg      output file\n");
172		BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
173		BIO_printf(bio_err," -text         print full details of certificates\n");
174		BIO_printf(bio_err," -noout        don't output encoded data\n");
175#ifndef OPENSSL_NO_ENGINE
176		BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
177#endif
178		ret = 1;
179		goto end;
180		}
181
182	ERR_load_crypto_strings();
183
184#ifndef OPENSSL_NO_ENGINE
185        e = setup_engine(bio_err, engine, 0);
186#endif
187
188	in=BIO_new(BIO_s_file());
189	out=BIO_new(BIO_s_file());
190	if ((in == NULL) || (out == NULL))
191		{
192		ERR_print_errors(bio_err);
193                goto end;
194                }
195
196	if (infile == NULL)
197		BIO_set_fp(in,stdin,BIO_NOCLOSE);
198	else
199		{
200		if (BIO_read_filename(in,infile) <= 0)
201		if (in == NULL)
202			{
203			perror(infile);
204			goto end;
205			}
206		}
207
208	if	(informat == FORMAT_ASN1)
209		p7=d2i_PKCS7_bio(in,NULL);
210	else if (informat == FORMAT_PEM)
211		p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
212	else
213		{
214		BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
215		goto end;
216		}
217	if (p7 == NULL)
218		{
219		BIO_printf(bio_err,"unable to load PKCS7 object\n");
220		ERR_print_errors(bio_err);
221		goto end;
222		}
223
224	if (outfile == NULL)
225		{
226		BIO_set_fp(out,stdout,BIO_NOCLOSE);
227#ifdef OPENSSL_SYS_VMS
228		{
229		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
230		out = BIO_push(tmpbio, out);
231		}
232#endif
233		}
234	else
235		{
236		if (BIO_write_filename(out,outfile) <= 0)
237			{
238			perror(outfile);
239			goto end;
240			}
241		}
242
243	if (p7_print)
244		PKCS7_print_ctx(out, p7, 0, NULL);
245
246	if (print_certs)
247		{
248		STACK_OF(X509) *certs=NULL;
249		STACK_OF(X509_CRL) *crls=NULL;
250
251		i=OBJ_obj2nid(p7->type);
252		switch (i)
253			{
254		case NID_pkcs7_signed:
255			certs=p7->d.sign->cert;
256			crls=p7->d.sign->crl;
257			break;
258		case NID_pkcs7_signedAndEnveloped:
259			certs=p7->d.signed_and_enveloped->cert;
260			crls=p7->d.signed_and_enveloped->crl;
261			break;
262		default:
263			break;
264			}
265
266		if (certs != NULL)
267			{
268			X509 *x;
269
270			for (i=0; i<sk_X509_num(certs); i++)
271				{
272				x=sk_X509_value(certs,i);
273				if(text) X509_print(out, x);
274				else dump_cert_text(out, x);
275
276				if(!noout) PEM_write_bio_X509(out,x);
277				BIO_puts(out,"\n");
278				}
279			}
280		if (crls != NULL)
281			{
282			X509_CRL *crl;
283
284			for (i=0; i<sk_X509_CRL_num(crls); i++)
285				{
286				crl=sk_X509_CRL_value(crls,i);
287
288				X509_CRL_print(out, crl);
289
290				if(!noout)PEM_write_bio_X509_CRL(out,crl);
291				BIO_puts(out,"\n");
292				}
293			}
294
295		ret=0;
296		goto end;
297		}
298
299	if(!noout) {
300		if 	(outformat == FORMAT_ASN1)
301			i=i2d_PKCS7_bio(out,p7);
302		else if (outformat == FORMAT_PEM)
303			i=PEM_write_bio_PKCS7(out,p7);
304		else	{
305			BIO_printf(bio_err,"bad output format specified for outfile\n");
306			goto end;
307			}
308
309		if (!i)
310			{
311			BIO_printf(bio_err,"unable to write pkcs7 object\n");
312			ERR_print_errors(bio_err);
313			goto end;
314			}
315	}
316	ret=0;
317end:
318	if (p7 != NULL) PKCS7_free(p7);
319	if (in != NULL) BIO_free(in);
320	if (out != NULL) BIO_free_all(out);
321	apps_shutdown();
322	OPENSSL_EXIT(ret);
323	}
324