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	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		{
162bad:
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;
314end:
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