Annotation of src/usr.bin/openssl/pkcs7.c, Revision 1.10
1.10 ! jsing 1: /* $OpenBSD: pkcs7.c,v 1.9 2017/01/20 08:57:12 deraadt Exp $ */
1.1 jsing 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:
1.4 jsing 73: static struct {
74: char *infile;
75: int informat;
76: int noout;
77: char *outfile;
78: int outformat;
79: int p7_print;
80: int print_certs;
81: int text;
82: } pkcs7_config;
83:
84: static struct option pkcs7_options[] = {
85: {
86: .name = "in",
87: .argname = "file",
88: .desc = "Input file (default stdin)",
89: .type = OPTION_ARG,
90: .opt.arg = &pkcs7_config.infile,
91: },
92: {
93: .name = "inform",
94: .argname = "format",
95: .desc = "Input format (DER or PEM (default))",
96: .type = OPTION_ARG_FORMAT,
97: .opt.value = &pkcs7_config.informat,
98: },
99: {
100: .name = "noout",
101: .desc = "Do not output encoded version of PKCS#7 structure",
102: .type = OPTION_FLAG,
103: .opt.flag = &pkcs7_config.noout,
104: },
105: {
106: .name = "out",
107: .argname = "file",
108: .desc = "Output file (default stdout)",
109: .type = OPTION_ARG,
110: .opt.arg = &pkcs7_config.outfile,
111: },
112: {
113: .name = "outform",
114: .argname = "format",
115: .desc = "Output format (DER or PEM (default))",
116: .type = OPTION_ARG_FORMAT,
117: .opt.value = &pkcs7_config.outformat,
118: },
119: {
120: .name = "print",
121: .desc = "Output ASN.1 representation of PKCS#7 structure",
122: .type = OPTION_FLAG,
123: .opt.flag = &pkcs7_config.p7_print,
124: },
125: {
126: .name = "print_certs",
127: .desc = "Print out any certificates or CRLs contained in file",
128: .type = OPTION_FLAG,
129: .opt.flag = &pkcs7_config.print_certs,
130: },
131: {
132: .name = "text",
133: .desc = "Print out full certificate details",
134: .type = OPTION_FLAG,
135: .opt.flag = &pkcs7_config.text,
136: },
137: { NULL },
138: };
139:
140: static void
141: pkcs7_usage()
142: {
1.6 bcook 143: fprintf(stderr, "usage: pkcs7 [-in file] "
1.4 jsing 144: "[-inform DER | PEM] [-noout]\n"
145: " [-out file] [-outform DER | PEM] [-print_certs] [-text]\n\n");
146: options_usage(pkcs7_options);
147: }
1.1 jsing 148:
149: int
150: pkcs7_main(int argc, char **argv)
151: {
152: PKCS7 *p7 = NULL;
153: BIO *in = NULL, *out = NULL;
154: int ret = 1;
1.4 jsing 155: int i;
1.7 doug 156:
157: if (single_execution) {
1.9 deraadt 158: if (pledge("stdio cpath wpath rpath", NULL) == -1) {
1.7 doug 159: perror("pledge");
1.8 doug 160: exit(1);
161: }
1.7 doug 162: }
1.4 jsing 163:
164: memset(&pkcs7_config, 0, sizeof(pkcs7_config));
1.1 jsing 165:
1.4 jsing 166: pkcs7_config.informat = FORMAT_PEM;
167: pkcs7_config.outformat = FORMAT_PEM;
1.1 jsing 168:
1.4 jsing 169: if (options_parse(argc, argv, pkcs7_options, NULL, NULL) != 0) {
170: pkcs7_usage();
1.1 jsing 171: goto end;
172: }
173:
174: in = BIO_new(BIO_s_file());
175: out = BIO_new(BIO_s_file());
176: if ((in == NULL) || (out == NULL)) {
177: ERR_print_errors(bio_err);
178: goto end;
179: }
1.4 jsing 180: if (pkcs7_config.infile == NULL)
1.1 jsing 181: BIO_set_fp(in, stdin, BIO_NOCLOSE);
182: else {
1.4 jsing 183: if (BIO_read_filename(in, pkcs7_config.infile) <= 0) {
184: perror(pkcs7_config.infile);
1.3 doug 185: goto end;
186: }
1.1 jsing 187: }
188:
1.4 jsing 189: if (pkcs7_config.informat == FORMAT_ASN1)
1.1 jsing 190: p7 = d2i_PKCS7_bio(in, NULL);
1.4 jsing 191: else if (pkcs7_config.informat == FORMAT_PEM)
1.1 jsing 192: p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
193: else {
194: BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
195: goto end;
196: }
197: if (p7 == NULL) {
198: BIO_printf(bio_err, "unable to load PKCS7 object\n");
199: ERR_print_errors(bio_err);
200: goto end;
201: }
1.4 jsing 202: if (pkcs7_config.outfile == NULL) {
1.1 jsing 203: BIO_set_fp(out, stdout, BIO_NOCLOSE);
204: } else {
1.4 jsing 205: if (BIO_write_filename(out, pkcs7_config.outfile) <= 0) {
206: perror(pkcs7_config.outfile);
1.1 jsing 207: goto end;
208: }
209: }
210:
1.4 jsing 211: if (pkcs7_config.p7_print)
1.1 jsing 212: PKCS7_print_ctx(out, p7, 0, NULL);
213:
1.4 jsing 214: if (pkcs7_config.print_certs) {
1.1 jsing 215: STACK_OF(X509) * certs = NULL;
216: STACK_OF(X509_CRL) * crls = NULL;
217:
218: i = OBJ_obj2nid(p7->type);
219: switch (i) {
220: case NID_pkcs7_signed:
221: certs = p7->d.sign->cert;
222: crls = p7->d.sign->crl;
223: break;
224: case NID_pkcs7_signedAndEnveloped:
225: certs = p7->d.signed_and_enveloped->cert;
226: crls = p7->d.signed_and_enveloped->crl;
227: break;
228: default:
229: break;
230: }
231:
232: if (certs != NULL) {
233: X509 *x;
234:
235: for (i = 0; i < sk_X509_num(certs); i++) {
236: x = sk_X509_value(certs, i);
1.4 jsing 237: if (pkcs7_config.text)
1.1 jsing 238: X509_print(out, x);
239: else
240: dump_cert_text(out, x);
241:
1.4 jsing 242: if (!pkcs7_config.noout)
1.1 jsing 243: PEM_write_bio_X509(out, x);
244: BIO_puts(out, "\n");
245: }
246: }
247: if (crls != NULL) {
248: X509_CRL *crl;
249:
250: for (i = 0; i < sk_X509_CRL_num(crls); i++) {
251: crl = sk_X509_CRL_value(crls, i);
252:
253: X509_CRL_print(out, crl);
254:
1.4 jsing 255: if (!pkcs7_config.noout)
1.1 jsing 256: PEM_write_bio_X509_CRL(out, crl);
257: BIO_puts(out, "\n");
258: }
259: }
260: ret = 0;
261: goto end;
262: }
1.4 jsing 263: if (!pkcs7_config.noout) {
264: if (pkcs7_config.outformat == FORMAT_ASN1)
1.1 jsing 265: i = i2d_PKCS7_bio(out, p7);
1.4 jsing 266: else if (pkcs7_config.outformat == FORMAT_PEM)
1.1 jsing 267: i = PEM_write_bio_PKCS7(out, p7);
268: else {
269: BIO_printf(bio_err, "bad output format specified for outfile\n");
270: goto end;
271: }
272:
273: if (!i) {
274: BIO_printf(bio_err, "unable to write pkcs7 object\n");
275: ERR_print_errors(bio_err);
276: goto end;
277: }
278: }
279: ret = 0;
1.10 ! jsing 280: end:
1.1 jsing 281: if (p7 != NULL)
282: PKCS7_free(p7);
283: if (in != NULL)
284: BIO_free(in);
285: if (out != NULL)
286: BIO_free_all(out);
287:
288: return (ret);
289: }
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