2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
60 * This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu> and
61 * donated 'to the cause' along with lots and lots of other fixes to the
67 #include <sys/types.h>
69 #include <openssl/err.h>
70 #include <openssl/evp.h>
71 #include <openssl/x509.h>
72 #include <openssl/pkcs7.h>
73 #include <openssl/pem.h>
74 #include <openssl/objects.h>
76 static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile);
78 #define PROG crl2pkcs7_main
81 * -inform arg - input format - default PEM (DER or PEM)
82 * -outform arg - output format - default PEM
83 * -in arg - input file - default stdin
84 * -out arg - output file - default stdout
87 int MAIN(int, char **);
89 int MAIN(int argc, char **argv)
92 BIO *in = NULL, *out = NULL;
93 int informat, outformat;
94 char *infile, *outfile, *prog, *certfile;
96 PKCS7_SIGNED *p7s = NULL;
98 STACK_OF(OPENSSL_STRING) *certflst = NULL;
99 STACK_OF(X509_CRL) *crl_stack = NULL;
100 STACK_OF(X509) *cert_stack = NULL;
101 int ret = 1, nocrl = 0;
106 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
107 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
111 informat = FORMAT_PEM;
112 outformat = FORMAT_PEM;
118 if (strcmp(*argv, "-inform") == 0) {
121 informat = str2fmt(*(++argv));
122 } else if (strcmp(*argv, "-outform") == 0) {
125 outformat = str2fmt(*(++argv));
126 } else if (strcmp(*argv, "-in") == 0) {
130 } else if (strcmp(*argv, "-nocrl") == 0) {
132 } else if (strcmp(*argv, "-out") == 0) {
136 } else if (strcmp(*argv, "-certfile") == 0) {
140 certflst = sk_OPENSSL_STRING_new_null();
143 if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) {
144 sk_OPENSSL_STRING_free(certflst);
148 BIO_printf(bio_err, "unknown option %s\n", *argv);
158 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
159 BIO_printf(bio_err, "where options are\n");
160 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
161 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
162 BIO_printf(bio_err, " -in arg input file\n");
163 BIO_printf(bio_err, " -out arg output file\n");
165 " -certfile arg certificates file of chain to a trusted CA\n");
166 BIO_printf(bio_err, " (can be used more than once)\n");
168 " -nocrl no crl to load, just certs from '-certfile'\n");
173 ERR_load_crypto_strings();
175 in = BIO_new(BIO_s_file());
176 out = BIO_new(BIO_s_file());
177 if ((in == NULL) || (out == NULL)) {
178 ERR_print_errors(bio_err);
184 BIO_set_fp(in, stdin, BIO_NOCLOSE);
186 if (BIO_read_filename(in, infile) <= 0) {
192 if (informat == FORMAT_ASN1)
193 crl = d2i_X509_CRL_bio(in, NULL);
194 else if (informat == FORMAT_PEM)
195 crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
197 BIO_printf(bio_err, "bad input format specified for input crl\n");
201 BIO_printf(bio_err, "unable to load CRL\n");
202 ERR_print_errors(bio_err);
207 if ((p7 = PKCS7_new()) == NULL)
209 if ((p7s = PKCS7_SIGNED_new()) == NULL)
211 p7->type = OBJ_nid2obj(NID_pkcs7_signed);
213 p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);
215 if (!ASN1_INTEGER_set(p7s->version, 1))
217 if ((crl_stack = sk_X509_CRL_new_null()) == NULL)
219 p7s->crl = crl_stack;
221 sk_X509_CRL_push(crl_stack, crl);
222 crl = NULL; /* now part of p7 for OPENSSL_freeing */
225 if ((cert_stack = sk_X509_new_null()) == NULL)
227 p7s->cert = cert_stack;
230 for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) {
231 certfile = sk_OPENSSL_STRING_value(certflst, i);
232 if (add_certs_from_file(cert_stack, certfile) < 0) {
233 BIO_printf(bio_err, "error loading certificates\n");
234 ERR_print_errors(bio_err);
239 sk_OPENSSL_STRING_free(certflst);
241 if (outfile == NULL) {
242 BIO_set_fp(out, stdout, BIO_NOCLOSE);
243 #ifdef OPENSSL_SYS_VMS
245 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
246 out = BIO_push(tmpbio, out);
250 if (BIO_write_filename(out, outfile) <= 0) {
256 if (outformat == FORMAT_ASN1)
257 i = i2d_PKCS7_bio(out, p7);
258 else if (outformat == FORMAT_PEM)
259 i = PEM_write_bio_PKCS7(out, p7);
261 BIO_printf(bio_err, "bad output format specified for outfile\n");
265 BIO_printf(bio_err, "unable to write pkcs7 object\n");
266 ERR_print_errors(bio_err);
285 *----------------------------------------------------------------------
286 * int add_certs_from_file
288 * Read a list of certificates to be checked from a file.
291 * number of certs added if successful, -1 if not.
292 *----------------------------------------------------------------------
294 static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile)
299 STACK_OF(X509_INFO) *sk = NULL;
302 in = BIO_new(BIO_s_file());
303 if ((in == NULL) || (BIO_read_filename(in, certfile) <= 0)) {
304 BIO_printf(bio_err, "error opening the file, %s\n", certfile);
308 /* This loads from a file, a stack of x509/crl/pkey sets */
309 sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
311 BIO_printf(bio_err, "error reading the file, %s\n", certfile);
315 /* scan over it and pull out the CRL's */
316 while (sk_X509_INFO_num(sk)) {
317 xi = sk_X509_INFO_shift(sk);
318 if (xi->x509 != NULL) {
319 sk_X509_push(stack, xi->x509);
328 /* never need to OPENSSL_free x */
332 sk_X509_INFO_free(sk);