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-rw-r--r--tools/ubsha1.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/tools/ubsha1.c b/tools/ubsha1.c
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--- /dev/null
+++ b/tools/ubsha1.c
@@ -0,0 +1,118 @@
+/*
+ * (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;
+}