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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{
Ilies CHERGUI2b139b32021-01-17 15:52:16 +000028 fprintf(stderr, "Usage: %s -f fit file -k key file -c config name\n"
Heiko Schocher29a23f92014-03-03 12:19:30 +010029 " -f ==> set fit file which should be checked'\n"
Simon Glass195f7892021-11-12 12:28:03 -070030 " -k ==> set key .dtb file which contains the key'\n"
Ilies CHERGUI2b139b32021-01-17 15:52:16 +000031 " -c ==> set the configuration name'\n",
Heiko Schocher29a23f92014-03-03 12:19:30 +010032 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;
Simon Glassc3aa81e2020-03-18 11:44:03 -060045 char *config_name = NULL;
Michael van der Westhuizen64375012014-05-20 15:58:58 +020046 char cmdname[256];
Heiko Schocher29a23f92014-03-03 12:19:30 +010047 int ret;
48 void *key_blob;
49 int c;
50
Michael van der Westhuizen64375012014-05-20 15:58:58 +020051 strncpy(cmdname, *argv, sizeof(cmdname) - 1);
52 cmdname[sizeof(cmdname) - 1] = '\0';
Simon Glassc3aa81e2020-03-18 11:44:03 -060053 while ((c = getopt(argc, argv, "f:k:c:")) != -1)
Heiko Schocher29a23f92014-03-03 12:19:30 +010054 switch (c) {
55 case 'f':
56 fdtfile = optarg;
57 break;
58 case 'k':
59 keyfile = optarg;
60 break;
Simon Glassc3aa81e2020-03-18 11:44:03 -060061 case 'c':
62 config_name = optarg;
63 break;
Heiko Schocher29a23f92014-03-03 12:19:30 +010064 default:
65 usage(cmdname);
66 break;
67 }
68
Simon Glassba923ca2014-06-12 07:24:44 -060069 if (!fdtfile) {
70 fprintf(stderr, "%s: Missing fdt file\n", *argv);
71 usage(*argv);
72 }
73 if (!keyfile) {
74 fprintf(stderr, "%s: Missing key file\n", *argv);
75 usage(*argv);
76 }
77
Luca Boccassi7d574852019-05-14 19:35:02 +010078 ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false, true);
Heiko Schocher29a23f92014-03-03 12:19:30 +010079 if (ffd < 0)
80 return EXIT_FAILURE;
Luca Boccassi7d574852019-05-14 19:35:02 +010081 kfd = mmap_fdt(cmdname, keyfile, 0, &key_blob, &ksbuf, false, true);
Thomas Huth310ae372015-08-25 17:09:40 +020082 if (kfd < 0)
Heiko Schocher29a23f92014-03-03 12:19:30 +010083 return EXIT_FAILURE;
84
85 image_set_host_blob(key_blob);
Simon Glassc3aa81e2020-03-18 11:44:03 -060086 ret = fit_check_sign(fit_blob, key_blob, config_name);
Simon Glassce1400f2014-06-12 07:24:53 -060087 if (!ret) {
Heiko Schocher29a23f92014-03-03 12:19:30 +010088 ret = EXIT_SUCCESS;
Simon Glassce1400f2014-06-12 07:24:53 -060089 fprintf(stderr, "Signature check OK\n");
90 } else {
Heiko Schocher29a23f92014-03-03 12:19:30 +010091 ret = EXIT_FAILURE;
Simon Glass195f7892021-11-12 12:28:03 -070092 fprintf(stderr, "Signature check bad (error %d)\n", ret);
Simon Glassce1400f2014-06-12 07:24:53 -060093 }
Heiko Schocher29a23f92014-03-03 12:19:30 +010094
95 (void) munmap((void *)fit_blob, fsbuf.st_size);
96 (void) munmap((void *)key_blob, ksbuf.st_size);
97
98 close(ffd);
99 close(kfd);
100 exit(ret);
101}