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1/* $OpenBSD: pkcs7.c,v 1.1 2014/08/26 17:47:25 jsing Exp $ */
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
64#include "apps.h"
65
66#include <openssl/err.h>
67#include <openssl/evp.h>
68#include <openssl/objects.h>
69#include <openssl/pem.h>
70#include <openssl/pkcs7.h>
71#include <openssl/x509.h>
72
73/* -inform arg - input format - default PEM (DER or PEM)
74 * -outform arg - output format - default PEM
75 * -in arg - input file - default stdin
76 * -out arg - output file - default stdout
77 * -print_certs
78 */
79
80int pkcs7_main(int, char **);
81
82int
83pkcs7_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 infile = NULL;
97 outfile = NULL;
98 informat = FORMAT_PEM;
99 outformat = FORMAT_PEM;
100
101 prog = argv[0];
102 argc--;
103 argv++;
104 while (argc >= 1) {
105 if (strcmp(*argv, "-inform") == 0) {
106 if (--argc < 1)
107 goto bad;
108 informat = str2fmt(*(++argv));
109 } else if (strcmp(*argv, "-outform") == 0) {
110 if (--argc < 1)
111 goto bad;
112 outformat = str2fmt(*(++argv));
113 } else if (strcmp(*argv, "-in") == 0) {
114 if (--argc < 1)
115 goto bad;
116 infile = *(++argv);
117 } else if (strcmp(*argv, "-out") == 0) {
118 if (--argc < 1)
119 goto bad;
120 outfile = *(++argv);
121 } else if (strcmp(*argv, "-noout") == 0)
122 noout = 1;
123 else if (strcmp(*argv, "-text") == 0)
124 text = 1;
125 else if (strcmp(*argv, "-print") == 0)
126 p7_print = 1;
127 else if (strcmp(*argv, "-print_certs") == 0)
128 print_certs = 1;
129#ifndef OPENSSL_NO_ENGINE
130 else if (strcmp(*argv, "-engine") == 0) {
131 if (--argc < 1)
132 goto bad;
133 engine = *(++argv);
134 }
135#endif
136 else {
137 BIO_printf(bio_err, "unknown option %s\n", *argv);
138 badops = 1;
139 break;
140 }
141 argc--;
142 argv++;
143 }
144
145 if (badops) {
146bad:
147 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
148 BIO_printf(bio_err, "where options are\n");
149 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
150 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
151 BIO_printf(bio_err, " -in arg input file\n");
152 BIO_printf(bio_err, " -out arg output file\n");
153 BIO_printf(bio_err, " -print_certs print any certs or crl in the input\n");
154 BIO_printf(bio_err, " -text print full details of certificates\n");
155 BIO_printf(bio_err, " -noout don't output encoded data\n");
156#ifndef OPENSSL_NO_ENGINE
157 BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device.\n");
158#endif
159 ret = 1;
160 goto end;
161 }
162 ERR_load_crypto_strings();
163
164#ifndef OPENSSL_NO_ENGINE
165 setup_engine(bio_err, engine, 0);
166#endif
167
168 in = BIO_new(BIO_s_file());
169 out = BIO_new(BIO_s_file());
170 if ((in == NULL) || (out == NULL)) {
171 ERR_print_errors(bio_err);
172 goto end;
173 }
174 if (infile == NULL)
175 BIO_set_fp(in, stdin, BIO_NOCLOSE);
176 else {
177 if (BIO_read_filename(in, infile) <= 0)
178 if (in == NULL) {
179 perror(infile);
180 goto end;
181 }
182 }
183
184 if (informat == FORMAT_ASN1)
185 p7 = d2i_PKCS7_bio(in, NULL);
186 else if (informat == FORMAT_PEM)
187 p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
188 else {
189 BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
190 goto end;
191 }
192 if (p7 == NULL) {
193 BIO_printf(bio_err, "unable to load PKCS7 object\n");
194 ERR_print_errors(bio_err);
195 goto end;
196 }
197 if (outfile == NULL) {
198 BIO_set_fp(out, stdout, BIO_NOCLOSE);
199 } else {
200 if (BIO_write_filename(out, outfile) <= 0) {
201 perror(outfile);
202 goto end;
203 }
204 }
205
206 if (p7_print)
207 PKCS7_print_ctx(out, p7, 0, NULL);
208
209 if (print_certs) {
210 STACK_OF(X509) * certs = NULL;
211 STACK_OF(X509_CRL) * crls = NULL;
212
213 i = OBJ_obj2nid(p7->type);
214 switch (i) {
215 case NID_pkcs7_signed:
216 certs = p7->d.sign->cert;
217 crls = p7->d.sign->crl;
218 break;
219 case NID_pkcs7_signedAndEnveloped:
220 certs = p7->d.signed_and_enveloped->cert;
221 crls = p7->d.signed_and_enveloped->crl;
222 break;
223 default:
224 break;
225 }
226
227 if (certs != NULL) {
228 X509 *x;
229
230 for (i = 0; i < sk_X509_num(certs); i++) {
231 x = sk_X509_value(certs, i);
232 if (text)
233 X509_print(out, x);
234 else
235 dump_cert_text(out, x);
236
237 if (!noout)
238 PEM_write_bio_X509(out, x);
239 BIO_puts(out, "\n");
240 }
241 }
242 if (crls != NULL) {
243 X509_CRL *crl;
244
245 for (i = 0; i < sk_X509_CRL_num(crls); i++) {
246 crl = sk_X509_CRL_value(crls, i);
247
248 X509_CRL_print(out, crl);
249
250 if (!noout)
251 PEM_write_bio_X509_CRL(out, crl);
252 BIO_puts(out, "\n");
253 }
254 }
255 ret = 0;
256 goto end;
257 }
258 if (!noout) {
259 if (outformat == FORMAT_ASN1)
260 i = i2d_PKCS7_bio(out, p7);
261 else if (outformat == FORMAT_PEM)
262 i = PEM_write_bio_PKCS7(out, p7);
263 else {
264 BIO_printf(bio_err, "bad output format specified for outfile\n");
265 goto end;
266 }
267
268 if (!i) {
269 BIO_printf(bio_err, "unable to write pkcs7 object\n");
270 ERR_print_errors(bio_err);
271 goto end;
272 }
273 }
274 ret = 0;
275end:
276 if (p7 != NULL)
277 PKCS7_free(p7);
278 if (in != NULL)
279 BIO_free(in);
280 if (out != NULL)
281 BIO_free_all(out);
282
283 return (ret);
284}
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