1cca6fc52SDaniel Fojt /* $OpenBSD: crl2p7.c,v 1.9 2019/07/14 03:30:45 guenther Exp $ */
2f5b1c8a1SJohn Marino /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3f5b1c8a1SJohn Marino * All rights reserved.
4f5b1c8a1SJohn Marino *
5f5b1c8a1SJohn Marino * This package is an SSL implementation written
6f5b1c8a1SJohn Marino * by Eric Young (eay@cryptsoft.com).
7f5b1c8a1SJohn Marino * The implementation was written so as to conform with Netscapes SSL.
8f5b1c8a1SJohn Marino *
9f5b1c8a1SJohn Marino * This library is free for commercial and non-commercial use as long as
10f5b1c8a1SJohn Marino * the following conditions are aheared to. The following conditions
11f5b1c8a1SJohn Marino * apply to all code found in this distribution, be it the RC4, RSA,
12f5b1c8a1SJohn Marino * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13f5b1c8a1SJohn Marino * included with this distribution is covered by the same copyright terms
14f5b1c8a1SJohn Marino * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15f5b1c8a1SJohn Marino *
16f5b1c8a1SJohn Marino * Copyright remains Eric Young's, and as such any Copyright notices in
17f5b1c8a1SJohn Marino * the code are not to be removed.
18f5b1c8a1SJohn Marino * If this package is used in a product, Eric Young should be given attribution
19f5b1c8a1SJohn Marino * as the author of the parts of the library used.
20f5b1c8a1SJohn Marino * This can be in the form of a textual message at program startup or
21f5b1c8a1SJohn Marino * in documentation (online or textual) provided with the package.
22f5b1c8a1SJohn Marino *
23f5b1c8a1SJohn Marino * Redistribution and use in source and binary forms, with or without
24f5b1c8a1SJohn Marino * modification, are permitted provided that the following conditions
25f5b1c8a1SJohn Marino * are met:
26f5b1c8a1SJohn Marino * 1. Redistributions of source code must retain the copyright
27f5b1c8a1SJohn Marino * notice, this list of conditions and the following disclaimer.
28f5b1c8a1SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright
29f5b1c8a1SJohn Marino * notice, this list of conditions and the following disclaimer in the
30f5b1c8a1SJohn Marino * documentation and/or other materials provided with the distribution.
31f5b1c8a1SJohn Marino * 3. All advertising materials mentioning features or use of this software
32f5b1c8a1SJohn Marino * must display the following acknowledgement:
33f5b1c8a1SJohn Marino * "This product includes cryptographic software written by
34f5b1c8a1SJohn Marino * Eric Young (eay@cryptsoft.com)"
35f5b1c8a1SJohn Marino * The word 'cryptographic' can be left out if the rouines from the library
36f5b1c8a1SJohn Marino * being used are not cryptographic related :-).
37f5b1c8a1SJohn Marino * 4. If you include any Windows specific code (or a derivative thereof) from
38f5b1c8a1SJohn Marino * the apps directory (application code) you must include an acknowledgement:
39f5b1c8a1SJohn Marino * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40f5b1c8a1SJohn Marino *
41f5b1c8a1SJohn Marino * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42f5b1c8a1SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43f5b1c8a1SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44f5b1c8a1SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45f5b1c8a1SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46f5b1c8a1SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47f5b1c8a1SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48f5b1c8a1SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49f5b1c8a1SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50f5b1c8a1SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51f5b1c8a1SJohn Marino * SUCH DAMAGE.
52f5b1c8a1SJohn Marino *
53f5b1c8a1SJohn Marino * The licence and distribution terms for any publically available version or
54f5b1c8a1SJohn Marino * derivative of this code cannot be changed. i.e. this code cannot simply be
55f5b1c8a1SJohn Marino * copied and put under another distribution licence
56f5b1c8a1SJohn Marino * [including the GNU Public Licence.]
57f5b1c8a1SJohn Marino */
58f5b1c8a1SJohn Marino
59f5b1c8a1SJohn Marino /* This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu>
60f5b1c8a1SJohn Marino * and donated 'to the cause' along with lots and lots of other fixes to
61f5b1c8a1SJohn Marino * the library. */
62f5b1c8a1SJohn Marino
63f5b1c8a1SJohn Marino #include <sys/types.h>
64f5b1c8a1SJohn Marino
65f5b1c8a1SJohn Marino #include <stdio.h>
66f5b1c8a1SJohn Marino #include <string.h>
67f5b1c8a1SJohn Marino
68f5b1c8a1SJohn Marino #include "apps.h"
69f5b1c8a1SJohn Marino
70f5b1c8a1SJohn Marino #include <openssl/err.h>
71f5b1c8a1SJohn Marino #include <openssl/evp.h>
72f5b1c8a1SJohn Marino #include <openssl/objects.h>
73f5b1c8a1SJohn Marino #include <openssl/pem.h>
74f5b1c8a1SJohn Marino #include <openssl/pkcs7.h>
75f5b1c8a1SJohn Marino #include <openssl/x509.h>
76f5b1c8a1SJohn Marino
77f5b1c8a1SJohn Marino static int add_certs_from_file(STACK_OF(X509) * stack, char *certfile);
78f5b1c8a1SJohn Marino
79f5b1c8a1SJohn Marino static struct {
80f5b1c8a1SJohn Marino STACK_OF(OPENSSL_STRING) *certflst;
81f5b1c8a1SJohn Marino char *infile;
82f5b1c8a1SJohn Marino int informat;
83f5b1c8a1SJohn Marino int nocrl;
84f5b1c8a1SJohn Marino char *outfile;
85f5b1c8a1SJohn Marino int outformat;
86f5b1c8a1SJohn Marino } crl2p7_config;
87f5b1c8a1SJohn Marino
88f5b1c8a1SJohn Marino static int
crl2p7_opt_certfile(char * arg)89f5b1c8a1SJohn Marino crl2p7_opt_certfile(char *arg)
90f5b1c8a1SJohn Marino {
91f5b1c8a1SJohn Marino if (crl2p7_config.certflst == NULL)
92f5b1c8a1SJohn Marino crl2p7_config.certflst = sk_OPENSSL_STRING_new_null();
93f5b1c8a1SJohn Marino if (crl2p7_config.certflst == NULL) {
94f5b1c8a1SJohn Marino fprintf(stderr, "out of memory\n");
95f5b1c8a1SJohn Marino return (1);
96f5b1c8a1SJohn Marino }
97f5b1c8a1SJohn Marino if (!sk_OPENSSL_STRING_push(crl2p7_config.certflst, arg)) {
98f5b1c8a1SJohn Marino fprintf(stderr, "out of memory\n");
99f5b1c8a1SJohn Marino return (1);
100f5b1c8a1SJohn Marino }
101f5b1c8a1SJohn Marino
102f5b1c8a1SJohn Marino return (0);
103f5b1c8a1SJohn Marino }
104f5b1c8a1SJohn Marino
105cca6fc52SDaniel Fojt static const struct option crl2p7_options[] = {
106f5b1c8a1SJohn Marino {
107f5b1c8a1SJohn Marino .name = "certfile",
108f5b1c8a1SJohn Marino .argname = "file",
109f5b1c8a1SJohn Marino .desc = "Chain of PEM certificates to a trusted CA",
110f5b1c8a1SJohn Marino .type = OPTION_ARG_FUNC,
111f5b1c8a1SJohn Marino .opt.argfunc = crl2p7_opt_certfile,
112f5b1c8a1SJohn Marino },
113f5b1c8a1SJohn Marino {
114f5b1c8a1SJohn Marino .name = "in",
115f5b1c8a1SJohn Marino .argname = "file",
116f5b1c8a1SJohn Marino .desc = "Input file (default stdin)",
117f5b1c8a1SJohn Marino .type = OPTION_ARG,
118f5b1c8a1SJohn Marino .opt.arg = &crl2p7_config.infile,
119f5b1c8a1SJohn Marino },
120f5b1c8a1SJohn Marino {
121f5b1c8a1SJohn Marino .name = "inform",
122f5b1c8a1SJohn Marino .argname = "format",
123f5b1c8a1SJohn Marino .desc = "Input format (DER or PEM (default))",
124f5b1c8a1SJohn Marino .type = OPTION_ARG_FORMAT,
125f5b1c8a1SJohn Marino .opt.value = &crl2p7_config.informat,
126f5b1c8a1SJohn Marino },
127f5b1c8a1SJohn Marino {
128f5b1c8a1SJohn Marino .name = "nocrl",
129f5b1c8a1SJohn Marino .desc = "Do not read CRL from input or include CRL in output",
130f5b1c8a1SJohn Marino .type = OPTION_FLAG,
131f5b1c8a1SJohn Marino .opt.flag = &crl2p7_config.nocrl,
132f5b1c8a1SJohn Marino },
133f5b1c8a1SJohn Marino {
134f5b1c8a1SJohn Marino .name = "out",
135f5b1c8a1SJohn Marino .argname = "file",
136f5b1c8a1SJohn Marino .desc = "Output file (default stdout)",
137f5b1c8a1SJohn Marino .type = OPTION_ARG,
138f5b1c8a1SJohn Marino .opt.arg = &crl2p7_config.outfile,
139f5b1c8a1SJohn Marino },
140f5b1c8a1SJohn Marino {
141f5b1c8a1SJohn Marino .name = "outform",
142f5b1c8a1SJohn Marino .argname = "format",
143f5b1c8a1SJohn Marino .desc = "Output format (DER or PEM (default))",
144f5b1c8a1SJohn Marino .type = OPTION_ARG_FORMAT,
145f5b1c8a1SJohn Marino .opt.value = &crl2p7_config.outformat,
146f5b1c8a1SJohn Marino },
147f5b1c8a1SJohn Marino { NULL },
148f5b1c8a1SJohn Marino };
149f5b1c8a1SJohn Marino
150f5b1c8a1SJohn Marino static void
crl2p7_usage(void)151f5b1c8a1SJohn Marino crl2p7_usage(void)
152f5b1c8a1SJohn Marino {
153f5b1c8a1SJohn Marino fprintf(stderr,
154f5b1c8a1SJohn Marino "usage: crl2p7 [-certfile file] [-in file] [-inform DER | PEM]\n"
155f5b1c8a1SJohn Marino " [-nocrl] [-out file] [-outform DER | PEM]\n\n");
156f5b1c8a1SJohn Marino options_usage(crl2p7_options);
157f5b1c8a1SJohn Marino }
158f5b1c8a1SJohn Marino
159f5b1c8a1SJohn Marino int
crl2pkcs7_main(int argc,char ** argv)160f5b1c8a1SJohn Marino crl2pkcs7_main(int argc, char **argv)
161f5b1c8a1SJohn Marino {
162f5b1c8a1SJohn Marino int i;
163f5b1c8a1SJohn Marino BIO *in = NULL, *out = NULL;
164f5b1c8a1SJohn Marino char *certfile;
165f5b1c8a1SJohn Marino PKCS7 *p7 = NULL;
166f5b1c8a1SJohn Marino PKCS7_SIGNED *p7s = NULL;
167f5b1c8a1SJohn Marino X509_CRL *crl = NULL;
168f5b1c8a1SJohn Marino STACK_OF(X509_CRL) *crl_stack = NULL;
169f5b1c8a1SJohn Marino STACK_OF(X509) *cert_stack = NULL;
170f5b1c8a1SJohn Marino int ret = 1;
171f5b1c8a1SJohn Marino
172f5b1c8a1SJohn Marino if (single_execution) {
17372c33676SMaxim Ag if (pledge("stdio cpath wpath rpath", NULL) == -1) {
174f5b1c8a1SJohn Marino perror("pledge");
175f5b1c8a1SJohn Marino exit(1);
176f5b1c8a1SJohn Marino }
177f5b1c8a1SJohn Marino }
178f5b1c8a1SJohn Marino
179f5b1c8a1SJohn Marino memset(&crl2p7_config, 0, sizeof(crl2p7_config));
180f5b1c8a1SJohn Marino
181f5b1c8a1SJohn Marino crl2p7_config.informat = FORMAT_PEM;
182f5b1c8a1SJohn Marino crl2p7_config.outformat = FORMAT_PEM;
183f5b1c8a1SJohn Marino
184f5b1c8a1SJohn Marino if (options_parse(argc, argv, crl2p7_options, NULL, NULL) != 0) {
185f5b1c8a1SJohn Marino crl2p7_usage();
186f5b1c8a1SJohn Marino goto end;
187f5b1c8a1SJohn Marino }
188f5b1c8a1SJohn Marino
189f5b1c8a1SJohn Marino in = BIO_new(BIO_s_file());
190f5b1c8a1SJohn Marino out = BIO_new(BIO_s_file());
191f5b1c8a1SJohn Marino if (in == NULL || out == NULL) {
192f5b1c8a1SJohn Marino ERR_print_errors(bio_err);
193f5b1c8a1SJohn Marino goto end;
194f5b1c8a1SJohn Marino }
195f5b1c8a1SJohn Marino if (!crl2p7_config.nocrl) {
196f5b1c8a1SJohn Marino if (crl2p7_config.infile == NULL)
197f5b1c8a1SJohn Marino BIO_set_fp(in, stdin, BIO_NOCLOSE);
198f5b1c8a1SJohn Marino else {
199f5b1c8a1SJohn Marino if (BIO_read_filename(in, crl2p7_config.infile) <= 0) {
200f5b1c8a1SJohn Marino perror(crl2p7_config.infile);
201f5b1c8a1SJohn Marino goto end;
202f5b1c8a1SJohn Marino }
203f5b1c8a1SJohn Marino }
204f5b1c8a1SJohn Marino
205f5b1c8a1SJohn Marino if (crl2p7_config.informat == FORMAT_ASN1)
206f5b1c8a1SJohn Marino crl = d2i_X509_CRL_bio(in, NULL);
207f5b1c8a1SJohn Marino else if (crl2p7_config.informat == FORMAT_PEM)
208f5b1c8a1SJohn Marino crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
209f5b1c8a1SJohn Marino else {
210f5b1c8a1SJohn Marino BIO_printf(bio_err,
211f5b1c8a1SJohn Marino "bad input format specified for input crl\n");
212f5b1c8a1SJohn Marino goto end;
213f5b1c8a1SJohn Marino }
214f5b1c8a1SJohn Marino if (crl == NULL) {
215f5b1c8a1SJohn Marino BIO_printf(bio_err, "unable to load CRL\n");
216f5b1c8a1SJohn Marino ERR_print_errors(bio_err);
217f5b1c8a1SJohn Marino goto end;
218f5b1c8a1SJohn Marino }
219f5b1c8a1SJohn Marino }
220f5b1c8a1SJohn Marino if ((p7 = PKCS7_new()) == NULL)
221f5b1c8a1SJohn Marino goto end;
222f5b1c8a1SJohn Marino if ((p7s = PKCS7_SIGNED_new()) == NULL)
223f5b1c8a1SJohn Marino goto end;
224f5b1c8a1SJohn Marino p7->type = OBJ_nid2obj(NID_pkcs7_signed);
225f5b1c8a1SJohn Marino p7->d.sign = p7s;
226f5b1c8a1SJohn Marino p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);
227f5b1c8a1SJohn Marino
228f5b1c8a1SJohn Marino if (!ASN1_INTEGER_set(p7s->version, 1))
229f5b1c8a1SJohn Marino goto end;
230f5b1c8a1SJohn Marino if ((crl_stack = sk_X509_CRL_new_null()) == NULL)
231f5b1c8a1SJohn Marino goto end;
232f5b1c8a1SJohn Marino p7s->crl = crl_stack;
233f5b1c8a1SJohn Marino if (crl != NULL) {
234f5b1c8a1SJohn Marino sk_X509_CRL_push(crl_stack, crl);
235f5b1c8a1SJohn Marino crl = NULL; /* now part of p7 for freeing */
236f5b1c8a1SJohn Marino }
237f5b1c8a1SJohn Marino if ((cert_stack = sk_X509_new_null()) == NULL)
238f5b1c8a1SJohn Marino goto end;
239f5b1c8a1SJohn Marino p7s->cert = cert_stack;
240f5b1c8a1SJohn Marino
241f5b1c8a1SJohn Marino if (crl2p7_config.certflst) {
242f5b1c8a1SJohn Marino for (i = 0; i < sk_OPENSSL_STRING_num(crl2p7_config.certflst); i++) {
243f5b1c8a1SJohn Marino certfile = sk_OPENSSL_STRING_value(crl2p7_config.certflst, i);
244f5b1c8a1SJohn Marino if (add_certs_from_file(cert_stack, certfile) < 0) {
245f5b1c8a1SJohn Marino BIO_printf(bio_err,
246f5b1c8a1SJohn Marino "error loading certificates\n");
247f5b1c8a1SJohn Marino ERR_print_errors(bio_err);
248f5b1c8a1SJohn Marino goto end;
249f5b1c8a1SJohn Marino }
250f5b1c8a1SJohn Marino }
251f5b1c8a1SJohn Marino }
252f5b1c8a1SJohn Marino
253f5b1c8a1SJohn Marino sk_OPENSSL_STRING_free(crl2p7_config.certflst);
254f5b1c8a1SJohn Marino
255f5b1c8a1SJohn Marino if (crl2p7_config.outfile == NULL) {
256f5b1c8a1SJohn Marino BIO_set_fp(out, stdout, BIO_NOCLOSE);
257f5b1c8a1SJohn Marino } else {
258f5b1c8a1SJohn Marino if (BIO_write_filename(out, crl2p7_config.outfile) <= 0) {
259f5b1c8a1SJohn Marino perror(crl2p7_config.outfile);
260f5b1c8a1SJohn Marino goto end;
261f5b1c8a1SJohn Marino }
262f5b1c8a1SJohn Marino }
263f5b1c8a1SJohn Marino
264f5b1c8a1SJohn Marino if (crl2p7_config.outformat == FORMAT_ASN1)
265f5b1c8a1SJohn Marino i = i2d_PKCS7_bio(out, p7);
266f5b1c8a1SJohn Marino else if (crl2p7_config.outformat == FORMAT_PEM)
267f5b1c8a1SJohn Marino i = PEM_write_bio_PKCS7(out, p7);
268f5b1c8a1SJohn Marino else {
269f5b1c8a1SJohn Marino BIO_printf(bio_err,
270f5b1c8a1SJohn Marino "bad output format specified for outfile\n");
271f5b1c8a1SJohn Marino goto end;
272f5b1c8a1SJohn Marino }
273f5b1c8a1SJohn Marino if (!i) {
274f5b1c8a1SJohn Marino BIO_printf(bio_err, "unable to write pkcs7 object\n");
275f5b1c8a1SJohn Marino ERR_print_errors(bio_err);
276f5b1c8a1SJohn Marino goto end;
277f5b1c8a1SJohn Marino }
278f5b1c8a1SJohn Marino ret = 0;
279f5b1c8a1SJohn Marino
280f5b1c8a1SJohn Marino end:
281f5b1c8a1SJohn Marino if (in != NULL)
282f5b1c8a1SJohn Marino BIO_free(in);
283f5b1c8a1SJohn Marino if (out != NULL)
284f5b1c8a1SJohn Marino BIO_free_all(out);
285f5b1c8a1SJohn Marino if (p7 != NULL)
286f5b1c8a1SJohn Marino PKCS7_free(p7);
287f5b1c8a1SJohn Marino if (crl != NULL)
288f5b1c8a1SJohn Marino X509_CRL_free(crl);
289f5b1c8a1SJohn Marino
290f5b1c8a1SJohn Marino return (ret);
291f5b1c8a1SJohn Marino }
292f5b1c8a1SJohn Marino
293f5b1c8a1SJohn Marino static int
add_certs_from_file(STACK_OF (X509)* stack,char * certfile)294f5b1c8a1SJohn Marino add_certs_from_file(STACK_OF(X509) *stack, char *certfile)
295f5b1c8a1SJohn Marino {
296f5b1c8a1SJohn Marino BIO *in = NULL;
297f5b1c8a1SJohn Marino int count = 0;
298f5b1c8a1SJohn Marino int ret = -1;
299f5b1c8a1SJohn Marino STACK_OF(X509_INFO) *sk = NULL;
300f5b1c8a1SJohn Marino X509_INFO *xi;
301f5b1c8a1SJohn Marino
302f5b1c8a1SJohn Marino in = BIO_new(BIO_s_file());
303f5b1c8a1SJohn Marino if (in == NULL || BIO_read_filename(in, certfile) <= 0) {
304f5b1c8a1SJohn Marino BIO_printf(bio_err, "error opening the file, %s\n", certfile);
305f5b1c8a1SJohn Marino goto end;
306f5b1c8a1SJohn Marino }
307f5b1c8a1SJohn Marino /* This loads from a file, a stack of x509/crl/pkey sets */
308f5b1c8a1SJohn Marino sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
309f5b1c8a1SJohn Marino if (sk == NULL) {
310f5b1c8a1SJohn Marino BIO_printf(bio_err, "error reading the file, %s\n", certfile);
311f5b1c8a1SJohn Marino goto end;
312f5b1c8a1SJohn Marino }
313f5b1c8a1SJohn Marino /* scan over it and pull out the CRL's */
314f5b1c8a1SJohn Marino while (sk_X509_INFO_num(sk)) {
315f5b1c8a1SJohn Marino xi = sk_X509_INFO_shift(sk);
316f5b1c8a1SJohn Marino if (xi->x509 != NULL) {
317f5b1c8a1SJohn Marino sk_X509_push(stack, xi->x509);
318f5b1c8a1SJohn Marino xi->x509 = NULL;
319f5b1c8a1SJohn Marino count++;
320f5b1c8a1SJohn Marino }
321f5b1c8a1SJohn Marino X509_INFO_free(xi);
322f5b1c8a1SJohn Marino }
323f5b1c8a1SJohn Marino
324f5b1c8a1SJohn Marino ret = count;
325f5b1c8a1SJohn Marino
326f5b1c8a1SJohn Marino end:
327f5b1c8a1SJohn Marino /* never need to free x */
328f5b1c8a1SJohn Marino if (in != NULL)
329f5b1c8a1SJohn Marino BIO_free(in);
330f5b1c8a1SJohn Marino if (sk != NULL)
331f5b1c8a1SJohn Marino sk_X509_INFO_free(sk);
332f5b1c8a1SJohn Marino return (ret);
333f5b1c8a1SJohn Marino }
334