Annotation of src/usr.bin/openssl/pkcs7.c, Revision 1.5
1.5 ! jsing 1: /* $OpenBSD: pkcs7.c,v 1.4 2015/07/21 16:34:31 jsing 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
162: pkcs7_main(int argc, char **argv)
163: {
164: PKCS7 *p7 = NULL;
165: BIO *in = NULL, *out = NULL;
166: int ret = 1;
1.4 jsing 167: int i;
168:
169: memset(&pkcs7_config, 0, sizeof(pkcs7_config));
1.1 jsing 170:
1.4 jsing 171: pkcs7_config.informat = FORMAT_PEM;
172: pkcs7_config.outformat = FORMAT_PEM;
1.1 jsing 173:
1.4 jsing 174: if (options_parse(argc, argv, pkcs7_options, NULL, NULL) != 0) {
175: pkcs7_usage();
1.1 jsing 176: goto end;
177: }
178:
179: #ifndef OPENSSL_NO_ENGINE
1.4 jsing 180: setup_engine(bio_err, pkcs7_config.engine, 0);
1.1 jsing 181: #endif
182:
183: in = BIO_new(BIO_s_file());
184: out = BIO_new(BIO_s_file());
185: if ((in == NULL) || (out == NULL)) {
186: ERR_print_errors(bio_err);
187: goto end;
188: }
1.4 jsing 189: if (pkcs7_config.infile == NULL)
1.1 jsing 190: BIO_set_fp(in, stdin, BIO_NOCLOSE);
191: else {
1.4 jsing 192: if (BIO_read_filename(in, pkcs7_config.infile) <= 0) {
193: perror(pkcs7_config.infile);
1.3 doug 194: goto end;
195: }
1.1 jsing 196: }
197:
1.4 jsing 198: if (pkcs7_config.informat == FORMAT_ASN1)
1.1 jsing 199: p7 = d2i_PKCS7_bio(in, NULL);
1.4 jsing 200: else if (pkcs7_config.informat == FORMAT_PEM)
1.1 jsing 201: p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
202: else {
203: BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
204: goto end;
205: }
206: if (p7 == NULL) {
207: BIO_printf(bio_err, "unable to load PKCS7 object\n");
208: ERR_print_errors(bio_err);
209: goto end;
210: }
1.4 jsing 211: if (pkcs7_config.outfile == NULL) {
1.1 jsing 212: BIO_set_fp(out, stdout, BIO_NOCLOSE);
213: } else {
1.4 jsing 214: if (BIO_write_filename(out, pkcs7_config.outfile) <= 0) {
215: perror(pkcs7_config.outfile);
1.1 jsing 216: goto end;
217: }
218: }
219:
1.4 jsing 220: if (pkcs7_config.p7_print)
1.1 jsing 221: PKCS7_print_ctx(out, p7, 0, NULL);
222:
1.4 jsing 223: if (pkcs7_config.print_certs) {
1.1 jsing 224: STACK_OF(X509) * certs = NULL;
225: STACK_OF(X509_CRL) * crls = NULL;
226:
227: i = OBJ_obj2nid(p7->type);
228: switch (i) {
229: case NID_pkcs7_signed:
230: certs = p7->d.sign->cert;
231: crls = p7->d.sign->crl;
232: break;
233: case NID_pkcs7_signedAndEnveloped:
234: certs = p7->d.signed_and_enveloped->cert;
235: crls = p7->d.signed_and_enveloped->crl;
236: break;
237: default:
238: break;
239: }
240:
241: if (certs != NULL) {
242: X509 *x;
243:
244: for (i = 0; i < sk_X509_num(certs); i++) {
245: x = sk_X509_value(certs, i);
1.4 jsing 246: if (pkcs7_config.text)
1.1 jsing 247: X509_print(out, x);
248: else
249: dump_cert_text(out, x);
250:
1.4 jsing 251: if (!pkcs7_config.noout)
1.1 jsing 252: PEM_write_bio_X509(out, x);
253: BIO_puts(out, "\n");
254: }
255: }
256: if (crls != NULL) {
257: X509_CRL *crl;
258:
259: for (i = 0; i < sk_X509_CRL_num(crls); i++) {
260: crl = sk_X509_CRL_value(crls, i);
261:
262: X509_CRL_print(out, crl);
263:
1.4 jsing 264: if (!pkcs7_config.noout)
1.1 jsing 265: PEM_write_bio_X509_CRL(out, crl);
266: BIO_puts(out, "\n");
267: }
268: }
269: ret = 0;
270: goto end;
271: }
1.4 jsing 272: if (!pkcs7_config.noout) {
273: if (pkcs7_config.outformat == FORMAT_ASN1)
1.1 jsing 274: i = i2d_PKCS7_bio(out, p7);
1.4 jsing 275: else if (pkcs7_config.outformat == FORMAT_PEM)
1.1 jsing 276: i = PEM_write_bio_PKCS7(out, p7);
277: else {
278: BIO_printf(bio_err, "bad output format specified for outfile\n");
279: goto end;
280: }
281:
282: if (!i) {
283: BIO_printf(bio_err, "unable to write pkcs7 object\n");
284: ERR_print_errors(bio_err);
285: goto end;
286: }
287: }
288: ret = 0;
289: end:
290: if (p7 != NULL)
291: PKCS7_free(p7);
292: if (in != NULL)
293: BIO_free(in);
294: if (out != NULL)
295: BIO_free_all(out);
296:
297: return (ret);
298: }