Annotation of src/usr.bin/openssl/pkcs7.c, Revision 1.15
1.15 ! tb 1: /* $OpenBSD: pkcs7.c,v 1.14 2023/03/06 14:32:06 tb 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;
1.14 tb 82: } cfg;
1.4 jsing 83:
1.11 guenther 84: static const struct option pkcs7_options[] = {
1.4 jsing 85: {
86: .name = "in",
87: .argname = "file",
88: .desc = "Input file (default stdin)",
89: .type = OPTION_ARG,
1.14 tb 90: .opt.arg = &cfg.infile,
1.4 jsing 91: },
92: {
93: .name = "inform",
94: .argname = "format",
95: .desc = "Input format (DER or PEM (default))",
96: .type = OPTION_ARG_FORMAT,
1.14 tb 97: .opt.value = &cfg.informat,
1.4 jsing 98: },
99: {
100: .name = "noout",
101: .desc = "Do not output encoded version of PKCS#7 structure",
102: .type = OPTION_FLAG,
1.14 tb 103: .opt.flag = &cfg.noout,
1.4 jsing 104: },
105: {
106: .name = "out",
107: .argname = "file",
108: .desc = "Output file (default stdout)",
109: .type = OPTION_ARG,
1.14 tb 110: .opt.arg = &cfg.outfile,
1.4 jsing 111: },
112: {
113: .name = "outform",
114: .argname = "format",
115: .desc = "Output format (DER or PEM (default))",
116: .type = OPTION_ARG_FORMAT,
1.14 tb 117: .opt.value = &cfg.outformat,
1.4 jsing 118: },
119: {
120: .name = "print",
121: .desc = "Output ASN.1 representation of PKCS#7 structure",
122: .type = OPTION_FLAG,
1.14 tb 123: .opt.flag = &cfg.p7_print,
1.4 jsing 124: },
125: {
126: .name = "print_certs",
127: .desc = "Print out any certificates or CRLs contained in file",
128: .type = OPTION_FLAG,
1.14 tb 129: .opt.flag = &cfg.print_certs,
1.4 jsing 130: },
131: {
132: .name = "text",
133: .desc = "Print out full certificate details",
134: .type = OPTION_FLAG,
1.14 tb 135: .opt.flag = &cfg.text,
1.4 jsing 136: },
137: { NULL },
138: };
139:
140: static void
1.15 ! tb 141: pkcs7_usage(void)
1.4 jsing 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:
1.12 joshua 157: if (pledge("stdio cpath wpath rpath", NULL) == -1) {
158: perror("pledge");
159: exit(1);
1.7 doug 160: }
1.4 jsing 161:
1.14 tb 162: memset(&cfg, 0, sizeof(cfg));
1.1 jsing 163:
1.14 tb 164: cfg.informat = FORMAT_PEM;
165: cfg.outformat = FORMAT_PEM;
1.1 jsing 166:
1.4 jsing 167: if (options_parse(argc, argv, pkcs7_options, NULL, NULL) != 0) {
168: pkcs7_usage();
1.1 jsing 169: goto end;
170: }
171:
172: in = BIO_new(BIO_s_file());
173: out = BIO_new(BIO_s_file());
174: if ((in == NULL) || (out == NULL)) {
175: ERR_print_errors(bio_err);
176: goto end;
177: }
1.14 tb 178: if (cfg.infile == NULL)
1.1 jsing 179: BIO_set_fp(in, stdin, BIO_NOCLOSE);
180: else {
1.14 tb 181: if (BIO_read_filename(in, cfg.infile) <= 0) {
182: perror(cfg.infile);
1.3 doug 183: goto end;
184: }
1.1 jsing 185: }
186:
1.14 tb 187: if (cfg.informat == FORMAT_ASN1)
1.1 jsing 188: p7 = d2i_PKCS7_bio(in, NULL);
1.14 tb 189: else if (cfg.informat == FORMAT_PEM)
1.1 jsing 190: p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
191: else {
192: BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
193: goto end;
194: }
195: if (p7 == NULL) {
196: BIO_printf(bio_err, "unable to load PKCS7 object\n");
197: ERR_print_errors(bio_err);
198: goto end;
199: }
1.14 tb 200: if (cfg.outfile == NULL) {
1.1 jsing 201: BIO_set_fp(out, stdout, BIO_NOCLOSE);
202: } else {
1.14 tb 203: if (BIO_write_filename(out, cfg.outfile) <= 0) {
204: perror(cfg.outfile);
1.1 jsing 205: goto end;
206: }
207: }
208:
1.14 tb 209: if (cfg.p7_print)
1.1 jsing 210: PKCS7_print_ctx(out, p7, 0, NULL);
211:
1.14 tb 212: if (cfg.print_certs) {
1.1 jsing 213: STACK_OF(X509) * certs = NULL;
214: STACK_OF(X509_CRL) * crls = NULL;
215:
216: i = OBJ_obj2nid(p7->type);
217: switch (i) {
218: case NID_pkcs7_signed:
1.13 tb 219: if (p7->d.sign != NULL) {
220: certs = p7->d.sign->cert;
221: crls = p7->d.sign->crl;
222: }
1.1 jsing 223: break;
224: case NID_pkcs7_signedAndEnveloped:
1.13 tb 225: if (p7->d.signed_and_enveloped != NULL) {
226: certs = p7->d.signed_and_enveloped->cert;
227: crls = p7->d.signed_and_enveloped->crl;
228: }
1.1 jsing 229: break;
230: default:
231: break;
232: }
233:
234: if (certs != NULL) {
235: X509 *x;
236:
237: for (i = 0; i < sk_X509_num(certs); i++) {
238: x = sk_X509_value(certs, i);
1.14 tb 239: if (cfg.text)
1.1 jsing 240: X509_print(out, x);
241: else
242: dump_cert_text(out, x);
243:
1.14 tb 244: if (!cfg.noout)
1.1 jsing 245: PEM_write_bio_X509(out, x);
246: BIO_puts(out, "\n");
247: }
248: }
249: if (crls != NULL) {
250: X509_CRL *crl;
251:
252: for (i = 0; i < sk_X509_CRL_num(crls); i++) {
253: crl = sk_X509_CRL_value(crls, i);
254:
255: X509_CRL_print(out, crl);
256:
1.14 tb 257: if (!cfg.noout)
1.1 jsing 258: PEM_write_bio_X509_CRL(out, crl);
259: BIO_puts(out, "\n");
260: }
261: }
262: ret = 0;
263: goto end;
264: }
1.14 tb 265: if (!cfg.noout) {
266: if (cfg.outformat == FORMAT_ASN1)
1.1 jsing 267: i = i2d_PKCS7_bio(out, p7);
1.14 tb 268: else if (cfg.outformat == FORMAT_PEM)
1.1 jsing 269: i = PEM_write_bio_PKCS7(out, p7);
270: else {
271: BIO_printf(bio_err, "bad output format specified for outfile\n");
272: goto end;
273: }
274:
275: if (!i) {
276: BIO_printf(bio_err, "unable to write pkcs7 object\n");
277: ERR_print_errors(bio_err);
278: goto end;
279: }
280: }
281: ret = 0;
1.10 jsing 282: end:
1.1 jsing 283: if (p7 != NULL)
284: PKCS7_free(p7);
285: if (in != NULL)
286: BIO_free(in);
287: if (out != NULL)
288: BIO_free_all(out);
289:
290: return (ret);
291: }