1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
59 * This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu> and
60 * donated 'to the cause' along with lots and lots of other fixes to the
66 #include <sys/types.h>
68 #include <openssl/err.h>
69 #include <openssl/evp.h>
70 #include <openssl/x509.h>
71 #include <openssl/pkcs7.h>
72 #include <openssl/pem.h>
73 #include <openssl/objects.h>
75 static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile);
77 typedef enum OPTION_choice {
78 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
79 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_NOCRL, OPT_CERTFILE
82 OPTIONS crl2pkcs7_options[] = {
83 {"help", OPT_HELP, '-', "Display this summary"},
84 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
85 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
86 {"in", OPT_IN, '<', "Input file"},
87 {"out", OPT_OUT, '>', "Output file"},
88 {"nocrl", OPT_NOCRL, '-', "No crl to load, just certs from '-certfile'"},
89 {"certfile", OPT_CERTFILE, '<',
90 "File of chain of certs to a trusted CA; can be repeated"},
94 int crl2pkcs7_main(int argc, char **argv)
96 BIO *in = NULL, *out = NULL;
98 PKCS7_SIGNED *p7s = NULL;
99 STACK_OF(OPENSSL_STRING) *certflst = NULL;
100 STACK_OF(X509) *cert_stack = NULL;
101 STACK_OF(X509_CRL) *crl_stack = NULL;
102 X509_CRL *crl = NULL;
103 char *infile = NULL, *outfile = NULL, *prog, *certfile;
104 int i = 0, informat = FORMAT_PEM, outformat = FORMAT_PEM, ret = 1, nocrl =
108 prog = opt_init(argc, argv, crl2pkcs7_options);
109 while ((o = opt_next()) != OPT_EOF) {
114 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
117 opt_help(crl2pkcs7_options);
121 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
125 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
138 if (!certflst && !(certflst = sk_OPENSSL_STRING_new_null()))
140 if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) {
141 sk_OPENSSL_STRING_free(certflst);
147 argc = opt_num_rest();
151 in = bio_open_default(infile, RB(informat));
155 if (informat == FORMAT_ASN1)
156 crl = d2i_X509_CRL_bio(in, NULL);
157 else if (informat == FORMAT_PEM)
158 crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
160 BIO_printf(bio_err, "unable to load CRL\n");
161 ERR_print_errors(bio_err);
166 if ((p7 = PKCS7_new()) == NULL)
168 if ((p7s = PKCS7_SIGNED_new()) == NULL)
170 p7->type = OBJ_nid2obj(NID_pkcs7_signed);
172 p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);
174 if (!ASN1_INTEGER_set(p7s->version, 1))
176 if ((crl_stack = sk_X509_CRL_new_null()) == NULL)
178 p7s->crl = crl_stack;
180 sk_X509_CRL_push(crl_stack, crl);
181 crl = NULL; /* now part of p7 for OPENSSL_freeing */
184 if ((cert_stack = sk_X509_new_null()) == NULL)
186 p7s->cert = cert_stack;
189 for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) {
190 certfile = sk_OPENSSL_STRING_value(certflst, i);
191 if (add_certs_from_file(cert_stack, certfile) < 0) {
192 BIO_printf(bio_err, "error loading certificates\n");
193 ERR_print_errors(bio_err);
198 sk_OPENSSL_STRING_free(certflst);
200 out = bio_open_default(outfile, WB(outformat));
204 if (outformat == FORMAT_ASN1)
205 i = i2d_PKCS7_bio(out, p7);
206 else if (outformat == FORMAT_PEM)
207 i = PEM_write_bio_PKCS7(out, p7);
209 BIO_printf(bio_err, "unable to write pkcs7 object\n");
210 ERR_print_errors(bio_err);
224 *----------------------------------------------------------------------
225 * int add_certs_from_file
227 * Read a list of certificates to be checked from a file.
230 * number of certs added if successful, -1 if not.
231 *----------------------------------------------------------------------
233 static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile)
238 STACK_OF(X509_INFO) *sk = NULL;
241 in = BIO_new_file(certfile, "r");
243 BIO_printf(bio_err, "error opening the file, %s\n", certfile);
247 /* This loads from a file, a stack of x509/crl/pkey sets */
248 sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
250 BIO_printf(bio_err, "error reading the file, %s\n", certfile);
254 /* scan over it and pull out the CRL's */
255 while (sk_X509_INFO_num(sk)) {
256 xi = sk_X509_INFO_shift(sk);
257 if (xi->x509 != NULL) {
258 sk_X509_push(stack, xi->x509);
267 /* never need to OPENSSL_free x */
269 sk_X509_INFO_free(sk);