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author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot-sam460ex/tools/ubsha1.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot-sam460ex/tools/ubsha1.c')
-rw-r--r-- | roms/u-boot-sam460ex/tools/ubsha1.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/tools/ubsha1.c b/roms/u-boot-sam460ex/tools/ubsha1.c new file mode 100644 index 000000000..625e13f90 --- /dev/null +++ b/roms/u-boot-sam460ex/tools/ubsha1.c @@ -0,0 +1,100 @@ +/* + * (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 "os_support.h" +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> +#include <sys/stat.h> +#include "sha1.h" + +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; +} |