1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright 2014
3*4882a593Smuzhiyun * DENX Software Engineering
4*4882a593Smuzhiyun * Heiko Schocher <hs@denx.de>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Based on:
7*4882a593Smuzhiyun * (C) Copyright 2008 Semihalf
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * (C) Copyright 2000-2004
10*4882a593Smuzhiyun * DENX Software Engineering
11*4882a593Smuzhiyun * Wolfgang Denk, wd@denx.de
12*4882a593Smuzhiyun *
13*4882a593Smuzhiyun * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
14*4882a593Smuzhiyun * FIT image specific code abstracted from mkimage.c
15*4882a593Smuzhiyun * some functions added to address abstraction
16*4882a593Smuzhiyun *
17*4882a593Smuzhiyun * All rights reserved.
18*4882a593Smuzhiyun *
19*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
20*4882a593Smuzhiyun */
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #include "mkimage.h"
23*4882a593Smuzhiyun #include "fit_common.h"
24*4882a593Smuzhiyun #include <image.h>
25*4882a593Smuzhiyun #include <u-boot/crc.h>
26*4882a593Smuzhiyun
usage(char * cmdname)27*4882a593Smuzhiyun void usage(char *cmdname)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun fprintf(stderr, "Usage: %s -f fit file -k key file\n"
30*4882a593Smuzhiyun " -f ==> set fit file which should be checked'\n"
31*4882a593Smuzhiyun " -k ==> set key file which contains the key'\n",
32*4882a593Smuzhiyun cmdname);
33*4882a593Smuzhiyun exit(EXIT_FAILURE);
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
main(int argc,char ** argv)36*4882a593Smuzhiyun int main(int argc, char **argv)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun int ffd = -1;
39*4882a593Smuzhiyun int kfd = -1;
40*4882a593Smuzhiyun struct stat fsbuf;
41*4882a593Smuzhiyun struct stat ksbuf;
42*4882a593Smuzhiyun void *fit_blob;
43*4882a593Smuzhiyun char *fdtfile = NULL;
44*4882a593Smuzhiyun char *keyfile = NULL;
45*4882a593Smuzhiyun char cmdname[256];
46*4882a593Smuzhiyun int ret;
47*4882a593Smuzhiyun void *key_blob;
48*4882a593Smuzhiyun int c;
49*4882a593Smuzhiyun int is_spl = 0;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun strncpy(cmdname, *argv, sizeof(cmdname) - 1);
52*4882a593Smuzhiyun cmdname[sizeof(cmdname) - 1] = '\0';
53*4882a593Smuzhiyun while ((c = getopt(argc, argv, "f:k:s")) != -1)
54*4882a593Smuzhiyun switch (c) {
55*4882a593Smuzhiyun case 'f':
56*4882a593Smuzhiyun fdtfile = optarg;
57*4882a593Smuzhiyun break;
58*4882a593Smuzhiyun case 'k':
59*4882a593Smuzhiyun keyfile = optarg;
60*4882a593Smuzhiyun break;
61*4882a593Smuzhiyun case 's':
62*4882a593Smuzhiyun is_spl = 1;
63*4882a593Smuzhiyun break;
64*4882a593Smuzhiyun default:
65*4882a593Smuzhiyun usage(cmdname);
66*4882a593Smuzhiyun break;
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun if (!fdtfile) {
70*4882a593Smuzhiyun fprintf(stderr, "%s: Missing fdt file\n", *argv);
71*4882a593Smuzhiyun usage(*argv);
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun if (!keyfile) {
74*4882a593Smuzhiyun fprintf(stderr, "%s: Missing key file\n", *argv);
75*4882a593Smuzhiyun usage(*argv);
76*4882a593Smuzhiyun }
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
79*4882a593Smuzhiyun if (ffd < 0)
80*4882a593Smuzhiyun return EXIT_FAILURE;
81*4882a593Smuzhiyun kfd = mmap_fdt(cmdname, keyfile, 0, &key_blob, &ksbuf, false);
82*4882a593Smuzhiyun if (kfd < 0)
83*4882a593Smuzhiyun return EXIT_FAILURE;
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun image_set_host_blob(key_blob);
86*4882a593Smuzhiyun ret = fit_check_sign(fit_blob, key_blob, is_spl);
87*4882a593Smuzhiyun if (!ret) {
88*4882a593Smuzhiyun ret = EXIT_SUCCESS;
89*4882a593Smuzhiyun fprintf(stderr, "Signature check OK\n");
90*4882a593Smuzhiyun } else {
91*4882a593Smuzhiyun ret = EXIT_FAILURE;
92*4882a593Smuzhiyun fprintf(stderr, "Signature check Bad (error %d)\n", ret);
93*4882a593Smuzhiyun }
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun (void) munmap((void *)fit_blob, fsbuf.st_size);
96*4882a593Smuzhiyun (void) munmap((void *)key_blob, ksbuf.st_size);
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun close(ffd);
99*4882a593Smuzhiyun close(kfd);
100*4882a593Smuzhiyun exit(ret);
101*4882a593Smuzhiyun }
102