1*13ea0450SMarcin Wojtas /*-
2*13ea0450SMarcin Wojtas * Copyright (c) 2019 Stormshield.
3*13ea0450SMarcin Wojtas * Copyright (c) 2019 Semihalf.
4*13ea0450SMarcin Wojtas *
5*13ea0450SMarcin Wojtas * Redistribution and use in source and binary forms, with or without
6*13ea0450SMarcin Wojtas * modification, are permitted provided that the following conditions
7*13ea0450SMarcin Wojtas * are met:
8*13ea0450SMarcin Wojtas * 1. Redistributions of source code must retain the above copyright
9*13ea0450SMarcin Wojtas * notice, this list of conditions and the following disclaimer.
10*13ea0450SMarcin Wojtas * 2. Redistributions in binary form must reproduce the above copyright
11*13ea0450SMarcin Wojtas * notice, this list of conditions and the following disclaimer in the
12*13ea0450SMarcin Wojtas * documentation and/or other materials provided with the distribution.
13*13ea0450SMarcin Wojtas *
14*13ea0450SMarcin Wojtas * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15*13ea0450SMarcin Wojtas * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16*13ea0450SMarcin Wojtas * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17*13ea0450SMarcin Wojtas * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
18*13ea0450SMarcin Wojtas * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19*13ea0450SMarcin Wojtas * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20*13ea0450SMarcin Wojtas * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*13ea0450SMarcin Wojtas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
22*13ea0450SMarcin Wojtas * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
23*13ea0450SMarcin Wojtas * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24*13ea0450SMarcin Wojtas * POSSIBILITY OF SUCH DAMAGE.
25*13ea0450SMarcin Wojtas *
26*13ea0450SMarcin Wojtas */
27*13ea0450SMarcin Wojtas
28*13ea0450SMarcin Wojtas #include <sys/cdefs.h>
29*13ea0450SMarcin Wojtas #define NEED_BRSSL_H
30*13ea0450SMarcin Wojtas #include "../libsecureboot-priv.h"
31*13ea0450SMarcin Wojtas #include <brssl.h>
32*13ea0450SMarcin Wojtas
33*13ea0450SMarcin Wojtas void
ve_efi_init(void)34*13ea0450SMarcin Wojtas ve_efi_init(void)
35*13ea0450SMarcin Wojtas {
36*13ea0450SMarcin Wojtas br_x509_certificate *xcs;
37*13ea0450SMarcin Wojtas hash_data *digests;
38*13ea0450SMarcin Wojtas size_t num;
39*13ea0450SMarcin Wojtas int result;
40*13ea0450SMarcin Wojtas static int once = 0;
41*13ea0450SMarcin Wojtas
42*13ea0450SMarcin Wojtas if (once > 0)
43*13ea0450SMarcin Wojtas return;
44*13ea0450SMarcin Wojtas
45*13ea0450SMarcin Wojtas once = 1;
46*13ea0450SMarcin Wojtas
47*13ea0450SMarcin Wojtas result = efi_secure_boot_enabled();
48*13ea0450SMarcin Wojtas if (result <= 0)
49*13ea0450SMarcin Wojtas return;
50*13ea0450SMarcin Wojtas
51*13ea0450SMarcin Wojtas xcs = efi_get_trusted_certs(&num);
52*13ea0450SMarcin Wojtas if (num > 0 && xcs != NULL) {
53*13ea0450SMarcin Wojtas num = ve_trust_anchors_add(xcs, num);
54*13ea0450SMarcin Wojtas free_certificates(xcs, num);
55*13ea0450SMarcin Wojtas }
56*13ea0450SMarcin Wojtas xcs = efi_get_forbidden_certs(&num);
57*13ea0450SMarcin Wojtas if (num > 0 && xcs != NULL) {
58*13ea0450SMarcin Wojtas num = ve_forbidden_anchors_add(xcs, num);
59*13ea0450SMarcin Wojtas free_certificates(xcs, num);
60*13ea0450SMarcin Wojtas }
61*13ea0450SMarcin Wojtas digests = efi_get_forbidden_digests(&num);
62*13ea0450SMarcin Wojtas if (num > 0 && digests != NULL) {
63*13ea0450SMarcin Wojtas ve_forbidden_digest_add(digests, num);
64*13ea0450SMarcin Wojtas /*
65*13ea0450SMarcin Wojtas * Don't free the buffors for digests,
66*13ea0450SMarcin Wojtas * since they are shallow copied.
67*13ea0450SMarcin Wojtas */
68*13ea0450SMarcin Wojtas xfree(digests);
69*13ea0450SMarcin Wojtas }
70*13ea0450SMarcin Wojtas
71*13ea0450SMarcin Wojtas return;
72*13ea0450SMarcin Wojtas }
73