mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-25 05:04:23 +08:00
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/*
|
|
* (C) Copyright 2007
|
|
* Heiko Schocher, DENX Software Engineering, <hs@denx.de>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/stat.h>
|
|
#include "sha1.h"
|
|
|
|
#ifndef __ASSEMBLY__
|
|
#define __ASSEMBLY__ /* Dirty trick to get only #defines */
|
|
#endif
|
|
#include <config.h>
|
|
#undef __ASSEMBLY__
|
|
|
|
#ifndef O_BINARY /* should be define'd on __WIN32__ */
|
|
#define O_BINARY 0
|
|
#endif
|
|
|
|
#ifndef MAP_FAILED
|
|
#define MAP_FAILED (-1)
|
|
#endif
|
|
|
|
extern int errno;
|
|
|
|
extern void sha1_csum (unsigned char *input, int ilen, unsigned char output[20]);
|
|
|
|
int main (int argc, char **argv)
|
|
{
|
|
unsigned char output[20];
|
|
int i, len;
|
|
|
|
char *imagefile;
|
|
char *cmdname = *argv;
|
|
unsigned char *ptr;
|
|
unsigned char *data;
|
|
struct stat sbuf;
|
|
unsigned char *ptroff;
|
|
int ifd;
|
|
int off;
|
|
|
|
if (argc > 1) {
|
|
imagefile = argv[1];
|
|
ifd = open (imagefile, O_RDWR|O_BINARY);
|
|
if (ifd < 0) {
|
|
fprintf (stderr, "%s: Can't open %s: %s\n",
|
|
cmdname, imagefile, strerror(errno));
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
if (fstat (ifd, &sbuf) < 0) {
|
|
fprintf (stderr, "%s: Can't stat %s: %s\n",
|
|
cmdname, imagefile, strerror(errno));
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
len = sbuf.st_size;
|
|
ptr = (unsigned char *)mmap(0, len,
|
|
PROT_READ, MAP_SHARED, ifd, 0);
|
|
if (ptr == (unsigned char *)MAP_FAILED) {
|
|
fprintf (stderr, "%s: Can't read %s: %s\n",
|
|
cmdname, imagefile, strerror(errno));
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
|
|
/* create a copy, so we can blank out the sha1 sum */
|
|
data = malloc (len);
|
|
memcpy (data, ptr, len);
|
|
off = SHA1_SUM_POS;
|
|
ptroff = &data[len + off];
|
|
for (i = 0; i < SHA1_SUM_LEN; i++) {
|
|
ptroff[i] = 0;
|
|
}
|
|
|
|
sha1_csum ((unsigned char *) data, len, (unsigned char *)output);
|
|
|
|
printf ("U-Boot sum:\n");
|
|
for (i = 0; i < 20 ; i++) {
|
|
printf ("%02X ", output[i]);
|
|
}
|
|
printf ("\n");
|
|
/* overwrite the sum in the bin file, with the actual */
|
|
lseek (ifd, SHA1_SUM_POS, SEEK_END);
|
|
if (write (ifd, output, SHA1_SUM_LEN) != SHA1_SUM_LEN) {
|
|
fprintf (stderr, "%s: Can't write %s: %s\n",
|
|
cmdname, imagefile, strerror(errno));
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
|
|
free (data);
|
|
(void) munmap((void *)ptr, len);
|
|
(void) close (ifd);
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|