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29a23f9d HS |
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[50]; | |
46 | int ret; | |
47 | void *key_blob; | |
48 | int c; | |
49 | ||
50 | strcpy(cmdname, *argv); | |
51 | 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 | ||
64 | ffd = mmap_fdt(cmdname, fdtfile, &fit_blob, &fsbuf, 0); | |
65 | if (ffd < 0) | |
66 | return EXIT_FAILURE; | |
67 | kfd = mmap_fdt(cmdname, keyfile, &key_blob, &ksbuf, 0); | |
68 | if (ffd < 0) | |
69 | return EXIT_FAILURE; | |
70 | ||
71 | image_set_host_blob(key_blob); | |
72 | ret = fit_check_sign(fit_blob, key_blob); | |
73 | ||
74 | if (ret) | |
75 | ret = EXIT_SUCCESS; | |
76 | else | |
77 | ret = EXIT_FAILURE; | |
78 | ||
79 | (void) munmap((void *)fit_blob, fsbuf.st_size); | |
80 | (void) munmap((void *)key_blob, ksbuf.st_size); | |
81 | ||
82 | close(ffd); | |
83 | close(kfd); | |
84 | exit(ret); | |
85 | } |