Annotation of src/usr.bin/openssl/pkcs7.c, Revision 1.3
1.3 ! doug 1: /* $OpenBSD: pkcs7.c,v 1.2 2014/08/28 14:23:52 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:
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:
80: int pkcs7_main(int, char **);
81:
82: int
83: pkcs7_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) {
146: bad:
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:
163: #ifndef OPENSSL_NO_ENGINE
164: setup_engine(bio_err, engine, 0);
165: #endif
166:
167: in = BIO_new(BIO_s_file());
168: out = BIO_new(BIO_s_file());
169: if ((in == NULL) || (out == NULL)) {
170: ERR_print_errors(bio_err);
171: goto end;
172: }
173: if (infile == NULL)
174: BIO_set_fp(in, stdin, BIO_NOCLOSE);
175: else {
1.3 ! doug 176: if (BIO_read_filename(in, infile) <= 0) {
! 177: perror(infile);
! 178: goto end;
! 179: }
1.1 jsing 180: }
181:
182: if (informat == FORMAT_ASN1)
183: p7 = d2i_PKCS7_bio(in, NULL);
184: else if (informat == FORMAT_PEM)
185: p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
186: else {
187: BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
188: goto end;
189: }
190: if (p7 == NULL) {
191: BIO_printf(bio_err, "unable to load PKCS7 object\n");
192: ERR_print_errors(bio_err);
193: goto end;
194: }
195: if (outfile == NULL) {
196: BIO_set_fp(out, stdout, BIO_NOCLOSE);
197: } else {
198: if (BIO_write_filename(out, outfile) <= 0) {
199: perror(outfile);
200: goto end;
201: }
202: }
203:
204: if (p7_print)
205: PKCS7_print_ctx(out, p7, 0, NULL);
206:
207: if (print_certs) {
208: STACK_OF(X509) * certs = NULL;
209: STACK_OF(X509_CRL) * crls = NULL;
210:
211: i = OBJ_obj2nid(p7->type);
212: switch (i) {
213: case NID_pkcs7_signed:
214: certs = p7->d.sign->cert;
215: crls = p7->d.sign->crl;
216: break;
217: case NID_pkcs7_signedAndEnveloped:
218: certs = p7->d.signed_and_enveloped->cert;
219: crls = p7->d.signed_and_enveloped->crl;
220: break;
221: default:
222: break;
223: }
224:
225: if (certs != NULL) {
226: X509 *x;
227:
228: for (i = 0; i < sk_X509_num(certs); i++) {
229: x = sk_X509_value(certs, i);
230: if (text)
231: X509_print(out, x);
232: else
233: dump_cert_text(out, x);
234:
235: if (!noout)
236: PEM_write_bio_X509(out, x);
237: BIO_puts(out, "\n");
238: }
239: }
240: if (crls != NULL) {
241: X509_CRL *crl;
242:
243: for (i = 0; i < sk_X509_CRL_num(crls); i++) {
244: crl = sk_X509_CRL_value(crls, i);
245:
246: X509_CRL_print(out, crl);
247:
248: if (!noout)
249: PEM_write_bio_X509_CRL(out, crl);
250: BIO_puts(out, "\n");
251: }
252: }
253: ret = 0;
254: goto end;
255: }
256: if (!noout) {
257: if (outformat == FORMAT_ASN1)
258: i = i2d_PKCS7_bio(out, p7);
259: else if (outformat == FORMAT_PEM)
260: i = PEM_write_bio_PKCS7(out, p7);
261: else {
262: BIO_printf(bio_err, "bad output format specified for outfile\n");
263: goto end;
264: }
265:
266: if (!i) {
267: BIO_printf(bio_err, "unable to write pkcs7 object\n");
268: ERR_print_errors(bio_err);
269: goto end;
270: }
271: }
272: ret = 0;
273: end:
274: if (p7 != NULL)
275: PKCS7_free(p7);
276: if (in != NULL)
277: BIO_free(in);
278: if (out != NULL)
279: BIO_free_all(out);
280:
281: return (ret);
282: }
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