blob: 69e99c0d179e048231b8c6ef0429e47e54ec3cfe [file] [log] [blame]
Heiko Schocher29a23f92014-03-03 12:19:30 +01001/*
2 * (C) Copyright 2014
3 * DENX Software Engineering
4 * Heiko Schocher <hs@denx.de>
5 *
6 * Based on:
7 * (C) Copyright 2008 Semihalf
8 *
9 * (C) Copyright 2000-2004
10 * DENX Software Engineering
11 * Wolfgang Denk, wd@denx.de
12 *
13 * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
14 * FIT image specific code abstracted from mkimage.c
15 * some functions added to address abstraction
16 *
17 * All rights reserved.
18 *
19 * SPDX-License-Identifier: GPL-2.0+
20 */
21
22#include "mkimage.h"
23#include "fit_common.h"
24#include <image.h>
25#include <u-boot/crc.h>
26
27void usage(char *cmdname)
28{
29 fprintf(stderr, "Usage: %s -f fit file -k key file\n"
30 " -f ==> set fit file which should be checked'\n"
31 " -k ==> set key file which contains the key'\n",
32 cmdname);
33 exit(EXIT_FAILURE);
34}
35
36int main(int argc, char **argv)
37{
38 int ffd = -1;
39 int kfd = -1;
40 struct stat fsbuf;
41 struct stat ksbuf;
42 void *fit_blob;
43 char *fdtfile = NULL;
44 char *keyfile = NULL;
Michael van der Westhuizen64375012014-05-20 15:58:58 +020045 char cmdname[256];
Heiko Schocher29a23f92014-03-03 12:19:30 +010046 int ret;
47 void *key_blob;
48 int c;
49
Michael van der Westhuizen64375012014-05-20 15:58:58 +020050 strncpy(cmdname, *argv, sizeof(cmdname) - 1);
51 cmdname[sizeof(cmdname) - 1] = '\0';
Heiko Schocher29a23f92014-03-03 12:19:30 +010052 while ((c = getopt(argc, argv, "f:k:")) != -1)
53 switch (c) {
54 case 'f':
55 fdtfile = optarg;
56 break;
57 case 'k':
58 keyfile = optarg;
59 break;
60 default:
61 usage(cmdname);
62 break;
63 }
64
Simon Glassba923ca2014-06-12 07:24:44 -060065 if (!fdtfile) {
66 fprintf(stderr, "%s: Missing fdt file\n", *argv);
67 usage(*argv);
68 }
69 if (!keyfile) {
70 fprintf(stderr, "%s: Missing key file\n", *argv);
71 usage(*argv);
72 }
73
Simon Glassa9468112014-06-02 22:04:53 -060074 ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
Heiko Schocher29a23f92014-03-03 12:19:30 +010075 if (ffd < 0)
76 return EXIT_FAILURE;
Simon Glassa9468112014-06-02 22:04:53 -060077 kfd = mmap_fdt(cmdname, keyfile, 0, &key_blob, &ksbuf, false);
Heiko Schocher29a23f92014-03-03 12:19:30 +010078 if (ffd < 0)
79 return EXIT_FAILURE;
80
81 image_set_host_blob(key_blob);
82 ret = fit_check_sign(fit_blob, key_blob);
Simon Glassce1400f2014-06-12 07:24:53 -060083 if (!ret) {
Heiko Schocher29a23f92014-03-03 12:19:30 +010084 ret = EXIT_SUCCESS;
Simon Glassce1400f2014-06-12 07:24:53 -060085 fprintf(stderr, "Signature check OK\n");
86 } else {
Heiko Schocher29a23f92014-03-03 12:19:30 +010087 ret = EXIT_FAILURE;
Simon Glassce1400f2014-06-12 07:24:53 -060088 fprintf(stderr, "Signature check Bad (error %d)\n", ret);
89 }
Heiko Schocher29a23f92014-03-03 12:19:30 +010090
91 (void) munmap((void *)fit_blob, fsbuf.st_size);
92 (void) munmap((void *)key_blob, ksbuf.st_size);
93
94 close(ffd);
95 close(kfd);
96 exit(ret);
97}