/*
+ * (C) Copyright 2011
+ * Joe Hershberger, National Instruments, joe.hershberger@ni.com
+ *
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
+#include <mapmem.h>
#include <u-boot/md5.h>
+#include <asm/io.h>
+
+/*
+ * Store the resulting sum to an address or variable
+ */
+static void store_result(const u8 *sum, const char *dest)
+{
+ unsigned int i;
+
+ if (*dest == '*') {
+ u8 *ptr;
+
+ ptr = (u8 *)simple_strtoul(dest + 1, NULL, 16);
+ for (i = 0; i < 16; i++)
+ *ptr++ = sum[i];
+ } else {
+ char str_output[33];
+ char *str_ptr = str_output;
+
+ for (i = 0; i < 16; i++) {
+ sprintf(str_ptr, "%02x", sum[i]);
+ str_ptr += 2;
+ }
+ setenv(dest, str_output);
+ }
+}
+
+#ifdef CONFIG_MD5SUM_VERIFY
+static int parse_verify_sum(char *verify_str, u8 *vsum)
+{
+ if (*verify_str == '*') {
+ u8 *ptr;
+
+ ptr = (u8 *)simple_strtoul(verify_str + 1, NULL, 16);
+ memcpy(vsum, ptr, 16);
+ } else {
+ unsigned int i;
+ char *vsum_str;
+
+ if (strlen(verify_str) == 32)
+ vsum_str = verify_str;
+ else {
+ vsum_str = getenv(verify_str);
+ if (vsum_str == NULL || strlen(vsum_str) != 32)
+ return 1;
+ }
+
+ for (i = 0; i < 16; i++) {
+ char *nullp = vsum_str + (i + 1) * 2;
+ char end = *nullp;
+
+ *nullp = '\0';
+ *(u8 *)(vsum + i) =
+ simple_strtoul(vsum_str + (i * 2), NULL, 16);
+ *nullp = end;
+ }
+ }
+ return 0;
+}
+int do_md5sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ ulong addr, len;
+ unsigned int i;
+ u8 output[16];
+ u8 vsum[16];
+ int verify = 0;
+ int ac;
+ char * const *av;
+ void *buf;
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ av = argv + 1;
+ ac = argc - 1;
+ if (strcmp(*av, "-v") == 0) {
+ verify = 1;
+ av++;
+ ac--;
+ if (ac < 3)
+ return CMD_RET_USAGE;
+ }
+
+ addr = simple_strtoul(*av++, NULL, 16);
+ len = simple_strtoul(*av++, NULL, 16);
+
+ buf = map_sysmem(addr, len);
+ md5_wd(buf, len, output, CHUNKSZ_MD5);
+ unmap_sysmem(buf);
+
+ if (!verify) {
+ printf("md5 for %08lx ... %08lx ==> ", addr, addr + len - 1);
+ for (i = 0; i < 16; i++)
+ printf("%02x", output[i]);
+ printf("\n");
+
+ if (ac > 2)
+ store_result(output, *av);
+ } else {
+ char *verify_str = *av++;
+
+ if (parse_verify_sum(verify_str, vsum)) {
+ printf("ERROR: %s does not contain a valid md5 sum\n",
+ verify_str);
+ return 1;
+ }
+ if (memcmp(output, vsum, 16) != 0) {
+ printf("md5 for %08lx ... %08lx ==> ", addr,
+ addr + len - 1);
+ for (i = 0; i < 16; i++)
+ printf("%02x", output[i]);
+ printf(" != ");
+ for (i = 0; i < 16; i++)
+ printf("%02x", vsum[i]);
+ printf(" ** ERROR **\n");
+ return 1;
+ }
+ }
+
+ return 0;
+}
+#else
static int do_md5sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long addr, len;
unsigned int i;
u8 output[16];
+ void *buf;
if (argc < 3)
return CMD_RET_USAGE;
addr = simple_strtoul(argv[1], NULL, 16);
len = simple_strtoul(argv[2], NULL, 16);
- md5_wd((unsigned char *) addr, len, output, CHUNKSZ_MD5);
+ buf = map_sysmem(addr, len);
+ md5_wd(buf, len, output, CHUNKSZ_MD5);
+ unmap_sysmem(buf);
+
printf("md5 for %08lx ... %08lx ==> ", addr, addr + len - 1);
for (i = 0; i < 16; i++)
printf("%02x", output[i]);
printf("\n");
+ if (argc > 3)
+ store_result(output, argv[3]);
+
return 0;
}
+#endif
+#ifdef CONFIG_MD5SUM_VERIFY
+U_BOOT_CMD(
+ md5sum, 5, 1, do_md5sum,
+ "compute MD5 message digest",
+ "address count [[*]sum]\n"
+ " - compute MD5 message digest [save to sum]\n"
+ "md5sum -v address count [*]sum\n"
+ " - verify md5sum of memory area"
+);
+#else
U_BOOT_CMD(
- md5sum, 3, 1, do_md5sum,
+ md5sum, 4, 1, do_md5sum,
"compute MD5 message digest",
- "address count"
+ "address count [[*]sum]\n"
+ " - compute MD5 message digest [save to sum]"
);
+#endif
projects / karo-tx-uboot.git / blobdiff