diff options
Diffstat (limited to 'futility/bdb_helper.c')
| -rw-r--r-- | futility/bdb_helper.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/futility/bdb_helper.c b/futility/bdb_helper.c deleted file mode 100644 index b0f2dcd0..00000000 --- a/futility/bdb_helper.c +++ /dev/null @@ -1,160 +0,0 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Boot descriptor block helper functions - */ - -#include <inttypes.h> -#include <stdio.h> - -#include "2sha.h" -#include "bdb.h" -#include "bdb_struct.h" -#include "file_type.h" - -enum futil_file_type ft_recognize_bdb(uint8_t *buf, uint32_t len) -{ - const struct bdb_header *header = bdb_get_header(buf); - - if (bdb_check_header(header, len)) - return FILE_TYPE_UNKNOWN; - - return FILE_TYPE_BDB; -} - -static void print_digest(const char *label, const uint8_t *digest, size_t size) -{ - int i; - - if (label) - printf("%s", label); - for (i = 0; i < size; i++) - printf("%02x", digest[i]); - 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 print_key_info(const char *label, const struct bdb_key *key) -{ - uint8_t digest[BDB_SHA256_DIGEST_SIZE]; - - if (label) - printf("%s", label); - printf(" Struct Version: 0x%x:0x%x\n", - key->struct_major_version, key->struct_minor_version); - printf(" Size: %d\n", key->struct_size); - printf(" Hash Algorithm: %d\n", key->hash_alg); - printf(" Sign Algorithm: %d\n", key->sig_alg); - printf(" Version: %d\n", key->key_version); - printf(" Description: %s\n", key->description); - bdb_sha256(digest, key, key->struct_size); - print_digest(" Digest: ", digest, sizeof(digest)); -} - -static void print_sig_info(const char *label, const struct bdb_sig *sig) -{ - if (label) - printf("%s", label); - printf(" Struct Version: 0x%x:0x%x\n", - sig->struct_major_version, sig->struct_minor_version); - printf(" Hash Algorithm: %d\n", sig->hash_alg); - printf(" Sign Algorithm: %d\n", sig->sig_alg); - printf(" Signed Size: %d\n", sig->signed_size); - printf(" Description: %s\n", sig->description); -} - -static void show_bdb_header(const uint8_t *bdb) -{ - const struct bdb_header *header = bdb_get_header(bdb); - - printf("BDB Header:\n"); - printf(" Struct Version: 0x%x:0x%x\n", - header->struct_major_version, header->struct_minor_version); - printf(" Struct Size: %d\n", header->struct_size); - printf(" Load Address: 0x%" PRIx64 "\n", header->bdb_load_address); - printf(" Size: %d\n", header->bdb_size); - printf(" Signed Size: %d\n", header->signed_size); - printf(" OEM0 Size: %d\n", header->oem_area_0_size); -} - -static void show_bdbkey_info(const uint8_t *bdb) -{ - print_key_info("BDB key:\n", bdb_get_bdbkey(bdb)); -} - -static void show_datakey_info(const uint8_t *bdb) -{ - print_key_info("Data key:\n", bdb_get_datakey(bdb)); -} - -static void show_header_signature(const uint8_t *bdb) -{ - print_sig_info("Header Signature:\n" , bdb_get_header_sig(bdb)); -} - -static void show_data_header(const uint8_t *bdb) -{ - const struct bdb_data *data = bdb_get_data(bdb); - - printf("Data Header:\n"); - printf(" Struct Version: 0x%x:0x%x\n", - data->struct_major_version, data->struct_minor_version); - printf(" Data Version: %d\n", data->data_version); - printf(" # of Hashes: %d\n", data->num_hashes); - printf(" Hash Entry Size: %d\n", data->hash_entry_size); - printf(" Signed Size: %d\n", data->signed_size); - printf(" Description: %s\n", data->description); -} - -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); - } -} - -static void show_data_signature(const uint8_t *bdb) -{ - print_sig_info("Data Signature:\n" , bdb_get_data_sig(bdb)); -} - -int ft_show_bdb(const char *name, uint8_t *buf, uint32_t len, void *data) -{ - const struct bdb_header *header = bdb_get_header(buf); - int rv; - - /* We can get here because of '--type' option */ - rv = bdb_check_header(header, len); - if (rv) { - fprintf(stderr, "ERROR: Invalid BDB blob: %d\n", rv); - return 1; - } - - printf("Boot Descriptor Block: %s\n", name); - show_bdb_header(buf); - show_bdbkey_info(buf); - show_datakey_info(buf); - show_header_signature(buf); - show_data_header(buf); - show_hashes(buf); - show_data_signature(buf); - - return 0; -} |