Annotation of src/usr.bin/openssl/pkcs7.c, Revision 1.4
1.4 ! jsing 1: /* $OpenBSD: pkcs7.c,v 1.3 2015/07/20 16:48:11 doug 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: #ifndef OPENSSL_NO_ENGINE
! 75: char *engine;
! 76: #endif
! 77: char *infile;
! 78: int informat;
! 79: int noout;
! 80: char *outfile;
! 81: int outformat;
! 82: int p7_print;
! 83: int print_certs;
! 84: int text;
! 85: } pkcs7_config;
! 86:
! 87: static struct option pkcs7_options[] = {
! 88: #ifndef OPENSSL_NO_ENGINE
! 89: {
! 90: .name = "engine",
! 91: .argname = "id",
! 92: .desc = "Use the engine specified by the given identifier",
! 93: .type = OPTION_ARG,
! 94: .opt.arg = &pkcs7_config.engine,
! 95: },
! 96: #endif
! 97: {
! 98: .name = "in",
! 99: .argname = "file",
! 100: .desc = "Input file (default stdin)",
! 101: .type = OPTION_ARG,
! 102: .opt.arg = &pkcs7_config.infile,
! 103: },
! 104: {
! 105: .name = "inform",
! 106: .argname = "format",
! 107: .desc = "Input format (DER or PEM (default))",
! 108: .type = OPTION_ARG_FORMAT,
! 109: .opt.value = &pkcs7_config.informat,
! 110: },
! 111: {
! 112: .name = "noout",
! 113: .desc = "Do not output encoded version of PKCS#7 structure",
! 114: .type = OPTION_FLAG,
! 115: .opt.flag = &pkcs7_config.noout,
! 116: },
! 117: {
! 118: .name = "out",
! 119: .argname = "file",
! 120: .desc = "Output file (default stdout)",
! 121: .type = OPTION_ARG,
! 122: .opt.arg = &pkcs7_config.outfile,
! 123: },
! 124: {
! 125: .name = "outform",
! 126: .argname = "format",
! 127: .desc = "Output format (DER or PEM (default))",
! 128: .type = OPTION_ARG_FORMAT,
! 129: .opt.value = &pkcs7_config.outformat,
! 130: },
! 131: {
! 132: .name = "print",
! 133: .desc = "Output ASN.1 representation of PKCS#7 structure",
! 134: .type = OPTION_FLAG,
! 135: .opt.flag = &pkcs7_config.p7_print,
! 136: },
! 137: {
! 138: .name = "print_certs",
! 139: .desc = "Print out any certificates or CRLs contained in file",
! 140: .type = OPTION_FLAG,
! 141: .opt.flag = &pkcs7_config.print_certs,
! 142: },
! 143: {
! 144: .name = "text",
! 145: .desc = "Print out full certificate details",
! 146: .type = OPTION_FLAG,
! 147: .opt.flag = &pkcs7_config.text,
! 148: },
! 149: { NULL },
! 150: };
! 151:
! 152: static void
! 153: pkcs7_usage()
! 154: {
! 155: fprintf(stderr, "usage: pkcs7 [-engine id] [-in file] "
! 156: "[-inform DER | PEM] [-noout]\n"
! 157: " [-out file] [-outform DER | PEM] [-print_certs] [-text]\n\n");
! 158: options_usage(pkcs7_options);
! 159: }
1.1 jsing 160:
161: int pkcs7_main(int, char **);
162:
163: int
164: pkcs7_main(int argc, char **argv)
165: {
166: PKCS7 *p7 = NULL;
167: BIO *in = NULL, *out = NULL;
168: int ret = 1;
1.4 ! jsing 169: int i;
! 170:
! 171: memset(&pkcs7_config, 0, sizeof(pkcs7_config));
1.1 jsing 172:
1.4 ! jsing 173: pkcs7_config.informat = FORMAT_PEM;
! 174: pkcs7_config.outformat = FORMAT_PEM;
1.1 jsing 175:
1.4 ! jsing 176: if (options_parse(argc, argv, pkcs7_options, NULL, NULL) != 0) {
! 177: pkcs7_usage();
1.1 jsing 178: goto end;
179: }
180:
181: #ifndef OPENSSL_NO_ENGINE
1.4 ! jsing 182: setup_engine(bio_err, pkcs7_config.engine, 0);
1.1 jsing 183: #endif
184:
185: in = BIO_new(BIO_s_file());
186: out = BIO_new(BIO_s_file());
187: if ((in == NULL) || (out == NULL)) {
188: ERR_print_errors(bio_err);
189: goto end;
190: }
1.4 ! jsing 191: if (pkcs7_config.infile == NULL)
1.1 jsing 192: BIO_set_fp(in, stdin, BIO_NOCLOSE);
193: else {
1.4 ! jsing 194: if (BIO_read_filename(in, pkcs7_config.infile) <= 0) {
! 195: perror(pkcs7_config.infile);
1.3 doug 196: goto end;
197: }
1.1 jsing 198: }
199:
1.4 ! jsing 200: if (pkcs7_config.informat == FORMAT_ASN1)
1.1 jsing 201: p7 = d2i_PKCS7_bio(in, NULL);
1.4 ! jsing 202: else if (pkcs7_config.informat == FORMAT_PEM)
1.1 jsing 203: p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
204: else {
205: BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
206: goto end;
207: }
208: if (p7 == NULL) {
209: BIO_printf(bio_err, "unable to load PKCS7 object\n");
210: ERR_print_errors(bio_err);
211: goto end;
212: }
1.4 ! jsing 213: if (pkcs7_config.outfile == NULL) {
1.1 jsing 214: BIO_set_fp(out, stdout, BIO_NOCLOSE);
215: } else {
1.4 ! jsing 216: if (BIO_write_filename(out, pkcs7_config.outfile) <= 0) {
! 217: perror(pkcs7_config.outfile);
1.1 jsing 218: goto end;
219: }
220: }
221:
1.4 ! jsing 222: if (pkcs7_config.p7_print)
1.1 jsing 223: PKCS7_print_ctx(out, p7, 0, NULL);
224:
1.4 ! jsing 225: if (pkcs7_config.print_certs) {
1.1 jsing 226: STACK_OF(X509) * certs = NULL;
227: STACK_OF(X509_CRL) * crls = NULL;
228:
229: i = OBJ_obj2nid(p7->type);
230: switch (i) {
231: case NID_pkcs7_signed:
232: certs = p7->d.sign->cert;
233: crls = p7->d.sign->crl;
234: break;
235: case NID_pkcs7_signedAndEnveloped:
236: certs = p7->d.signed_and_enveloped->cert;
237: crls = p7->d.signed_and_enveloped->crl;
238: break;
239: default:
240: break;
241: }
242:
243: if (certs != NULL) {
244: X509 *x;
245:
246: for (i = 0; i < sk_X509_num(certs); i++) {
247: x = sk_X509_value(certs, i);
1.4 ! jsing 248: if (pkcs7_config.text)
1.1 jsing 249: X509_print(out, x);
250: else
251: dump_cert_text(out, x);
252:
1.4 ! jsing 253: if (!pkcs7_config.noout)
1.1 jsing 254: PEM_write_bio_X509(out, x);
255: BIO_puts(out, "\n");
256: }
257: }
258: if (crls != NULL) {
259: X509_CRL *crl;
260:
261: for (i = 0; i < sk_X509_CRL_num(crls); i++) {
262: crl = sk_X509_CRL_value(crls, i);
263:
264: X509_CRL_print(out, crl);
265:
1.4 ! jsing 266: if (!pkcs7_config.noout)
1.1 jsing 267: PEM_write_bio_X509_CRL(out, crl);
268: BIO_puts(out, "\n");
269: }
270: }
271: ret = 0;
272: goto end;
273: }
1.4 ! jsing 274: if (!pkcs7_config.noout) {
! 275: if (pkcs7_config.outformat == FORMAT_ASN1)
1.1 jsing 276: i = i2d_PKCS7_bio(out, p7);
1.4 ! jsing 277: else if (pkcs7_config.outformat == FORMAT_PEM)
1.1 jsing 278: i = PEM_write_bio_PKCS7(out, p7);
279: else {
280: BIO_printf(bio_err, "bad output format specified for outfile\n");
281: goto end;
282: }
283:
284: if (!i) {
285: BIO_printf(bio_err, "unable to write pkcs7 object\n");
286: ERR_print_errors(bio_err);
287: goto end;
288: }
289: }
290: ret = 0;
291: end:
292: if (p7 != NULL)
293: PKCS7_free(p7);
294: if (in != NULL)
295: BIO_free(in);
296: if (out != NULL)
297: BIO_free_all(out);
298:
299: return (ret);
300: }
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