bdb: Enable futility-show to dump hash info

This patch makes futility show command print out hash information.

BUG=chromium:649555
BRANCH=none
TEST=make runtests. Ran futility show tests/futility/data/bdb.bin.

Change-Id: I4d0e933b7b9dca6548aa8488d9ca85b8692a5d49
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/392948
This commit is contained in:
Daisuke Nojiri
2016-09-27 08:55:07 -07:00
committed by chrome-bot
parent fb267154d2
commit e96e46a518

View File

@@ -5,6 +5,7 @@
* Boot descriptor block helper functions
*/
#include <inttypes.h>
#include <stdio.h>
#include "2sha.h"
@@ -33,6 +34,18 @@ static void print_digest(const char *label, const uint8_t *digest, size_t size)
printf("\n");
}
static void print_hash_entry(const char *label, const struct bdb_hash *hash)
{
if (label)
printf("%s", label);
printf(" Offset: 0x%" PRIx64 "\n", hash->offset);
printf(" Size: %d\n", hash->size);
printf(" Partition: %d\n", hash->partition);
printf(" Type: %d\n", hash->type);
printf(" Load Address: 0x%" PRIx64 "\n", hash->load_address);
print_digest(" Digest: ", hash->digest, sizeof(hash->digest));
}
static void show_bdb_header(const uint8_t *bdb)
{
const struct bdb_header *header = bdb_get_header(bdb);
@@ -48,6 +61,17 @@ static void show_bdb_header(const uint8_t *bdb)
printf(" size: %d\n", key->struct_size);
}
static void show_hashes(const uint8_t *bdb)
{
const struct bdb_data *data = bdb_get_data(bdb);
int i;
for (i = 0; i < data->num_hashes; i++) {
const struct bdb_hash *hash = bdb_get_hash_by_index(bdb, i);
printf("Hash #%d:\n", i);
print_hash_entry(NULL, hash);
}
}
int ft_show_bdb(const char *name, uint8_t *buf, uint32_t len, void *data)
{
@@ -63,6 +87,7 @@ int ft_show_bdb(const char *name, uint8_t *buf, uint32_t len, void *data)
printf("Boot Descriptor Block: %s\n", name);
show_bdb_header(buf);
show_hashes(buf);
return 0;
}