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 } 86