| /* |
| * Copyright 2018 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. |
| * |
| * All hacks to enable building firmware updater on old branches. |
| */ |
| #ifndef VBOOT_REFERENCE_FUTILITY_UPDATER_COMPAT_H_ |
| #define VBOOT_REFERENCE_FUTILITY_UPDATER_COMPAT_H_ |
| |
| #define _STUB_IMPLEMENTATION_ |
| #include <stdio.h> |
| #include <unistd.h> |
| #include "2sysincludes.h" |
| #include "2rsa.h" |
| #include "2sha.h" |
| #include "vb2_struct.h" |
| #include "host_key.h" |
| #include "vboot_api.h" |
| |
| struct vb2_packed_key; |
| static inline int packed_key_looks_ok( |
| const struct vb2_packed_key *key, uint32_t size) |
| { |
| VbPublicKey *pub = (VbPublicKey *)key; |
| return PublicKeyLooksOkay(pub, size); |
| } |
| |
| static inline const char *packed_key_sha1_string( |
| const struct vb2_packed_key *key) |
| { |
| static char dest[VB2_SHA1_DIGEST_SIZE * 2 + 1]; |
| |
| uint8_t *input = ((uint8_t *)key) + key->key_offset; |
| uint32_t inlen = key->key_size; |
| |
| uint8_t *digest = DigestBuf(input, inlen, SHA1_DIGEST_ALGORITHM); |
| char *dnext = dest; |
| int i; |
| |
| for (i = 0; i < SHA1_DIGEST_SIZE; i++) |
| dnext += sprintf(dnext, "%02x", digest[i]); |
| VbExFree(digest); |
| return dest; |
| } |
| |
| static inline int vb2_read_file( |
| const char *filename, uint8_t **data_ptr, uint32_t *size_ptr) |
| { |
| FILE *f; |
| uint8_t *buf; |
| long size; |
| |
| *data_ptr = NULL; |
| *size_ptr = 0; |
| |
| f = fopen(filename, "rb"); |
| if (!f) { |
| return 1; |
| } |
| |
| fseek(f, 0, SEEK_END); |
| size = ftell(f); |
| rewind(f); |
| |
| if (size < 0 || size > UINT32_MAX) { |
| fclose(f); |
| return 1; |
| } |
| |
| buf = malloc(size); |
| if (!buf) { |
| fclose(f); |
| return 1; |
| } |
| |
| if(1 != fread(buf, size, 1, f)) { |
| fclose(f); |
| free(buf); |
| return 1; |
| } |
| |
| fclose(f); |
| |
| *data_ptr = buf; |
| *size_ptr = size; |
| return 0; |
| } |
| |
| static inline int vb2_write_file( |
| const char *filename, const void *buf, uint32_t size) |
| { |
| FILE *f = fopen(filename, "wb"); |
| |
| if (!f) { |
| return 1; |
| } |
| |
| if (1 != fwrite(buf, size, 1, f)) { |
| fclose(f); |
| unlink(filename); /* Delete any partial file */ |
| return 1; |
| } |
| |
| fclose(f); |
| return 0; |
| } |
| |
| #define vb2_unpack_key2(key, packed_key) \ |
| vb2_unpack_key(key, (const uint8_t *)packed_key, \ |
| packed_key->key_offset + packed_key->key_size) |
| |
| #endif /* VBOOT_REFERENCE_FUTILITY_UPDATER_COMPAT_H_ */ |