blob: 45287437928cceae95863b18bda1a7775eb0268c [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Heiko Schocher29a23f92014-03-03 12:19:30 +01002/*
3 * (C) Copyright 2014
4 * DENX Software Engineering
5 * Heiko Schocher <hs@denx.de>
6 *
7 * Based on:
8 * (C) Copyright 2008 Semihalf
9 *
10 * (C) Copyright 2000-2004
11 * DENX Software Engineering
12 * Wolfgang Denk, wd@denx.de
13 *
14 * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
15 * FIT image specific code abstracted from mkimage.c
16 * some functions added to address abstraction
17 *
18 * All rights reserved.
Heiko Schocher29a23f92014-03-03 12:19:30 +010019 */
20
21#include "mkimage.h"
22#include "fit_common.h"
23#include <image.h>
24#include <u-boot/crc.h>
25
26void usage(char *cmdname)
27{
28 fprintf(stderr, "Usage: %s -f fit file -k key file\n"
29 " -f ==> set fit file which should be checked'\n"
30 " -k ==> set key file which contains the key'\n",
31 cmdname);
32 exit(EXIT_FAILURE);
33}
34
35int main(int argc, char **argv)
36{
37 int ffd = -1;
38 int kfd = -1;
39 struct stat fsbuf;
40 struct stat ksbuf;
41 void *fit_blob;
42 char *fdtfile = NULL;
43 char *keyfile = NULL;
Michael van der Westhuizen64375012014-05-20 15:58:58 +020044 char cmdname[256];
Heiko Schocher29a23f92014-03-03 12:19:30 +010045 int ret;
46 void *key_blob;
47 int c;
48
Michael van der Westhuizen64375012014-05-20 15:58:58 +020049 strncpy(cmdname, *argv, sizeof(cmdname) - 1);
50 cmdname[sizeof(cmdname) - 1] = '\0';
Heiko Schocher29a23f92014-03-03 12:19:30 +010051 while ((c = getopt(argc, argv, "f:k:")) != -1)
52 switch (c) {
53 case 'f':
54 fdtfile = optarg;
55 break;
56 case 'k':
57 keyfile = optarg;
58 break;
59 default:
60 usage(cmdname);
61 break;
62 }
63
Simon Glassba923ca2014-06-12 07:24:44 -060064 if (!fdtfile) {
65 fprintf(stderr, "%s: Missing fdt file\n", *argv);
66 usage(*argv);
67 }
68 if (!keyfile) {
69 fprintf(stderr, "%s: Missing key file\n", *argv);
70 usage(*argv);
71 }
72
Luca Boccassi7d574852019-05-14 19:35:02 +010073 ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false, true);
Heiko Schocher29a23f92014-03-03 12:19:30 +010074 if (ffd < 0)
75 return EXIT_FAILURE;
Luca Boccassi7d574852019-05-14 19:35:02 +010076 kfd = mmap_fdt(cmdname, keyfile, 0, &key_blob, &ksbuf, false, true);
Thomas Huth310ae372015-08-25 17:09:40 +020077 if (kfd < 0)
Heiko Schocher29a23f92014-03-03 12:19:30 +010078 return EXIT_FAILURE;
79
80 image_set_host_blob(key_blob);
81 ret = fit_check_sign(fit_blob, key_blob);
Simon Glassce1400f2014-06-12 07:24:53 -060082 if (!ret) {
Heiko Schocher29a23f92014-03-03 12:19:30 +010083 ret = EXIT_SUCCESS;
Simon Glassce1400f2014-06-12 07:24:53 -060084 fprintf(stderr, "Signature check OK\n");
85 } else {
Heiko Schocher29a23f92014-03-03 12:19:30 +010086 ret = EXIT_FAILURE;
Simon Glassce1400f2014-06-12 07:24:53 -060087 fprintf(stderr, "Signature check Bad (error %d)\n", ret);
88 }
Heiko Schocher29a23f92014-03-03 12:19:30 +010089
90 (void) munmap((void *)fit_blob, fsbuf.st_size);
91 (void) munmap((void *)key_blob, ksbuf.st_size);
92
93 close(ffd);
94 close(kfd);
95 exit(ret);
96}