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mpc85xx/t104xrdb : remove raw timing parameter
[u-boot] / tools / fit_check_sign.c
1 /*
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
27 void 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
36 int 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;
45         char cmdname[256];
46         int ret;
47         void *key_blob;
48         int c;
49
50         strncpy(cmdname, *argv, sizeof(cmdname) - 1);
51         cmdname[sizeof(cmdname) - 1] = '\0';
52         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
65         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
74         ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
75         if (ffd < 0)
76                 return EXIT_FAILURE;
77         kfd = mmap_fdt(cmdname, keyfile, 0, &key_blob, &ksbuf, false);
78         if (ffd < 0)
79                 return EXIT_FAILURE;
80
81         image_set_host_blob(key_blob);
82         ret = fit_check_sign(fit_blob, key_blob);
83         if (!ret) {
84                 ret = EXIT_SUCCESS;
85                 fprintf(stderr, "Signature check OK\n");
86         } else {
87                 ret = EXIT_FAILURE;
88                 fprintf(stderr, "Signature check Bad (error %d)\n", ret);
89         }
90
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 }