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/*
* Copyright (c) 2013 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.
*/
#ifndef VBOOT_REFERENCE_FUTILITY_FILE_TYPE_H_
#define VBOOT_REFERENCE_FUTILITY_FILE_TYPE_H_
/* What type of things do I know how to handle? */
enum futil_file_type {
FILE_TYPE_UNKNOWN,
FILE_TYPE_PUBKEY, /* VbPublicKey */
FILE_TYPE_KEYBLOCK, /* VbKeyBlockHeader */
FILE_TYPE_FW_PREAMBLE, /* VbFirmwarePreambleHeader */
FILE_TYPE_GBB, /* GoogleBinaryBlockHeader */
FILE_TYPE_BIOS_IMAGE, /* Chrome OS BIOS image */
FILE_TYPE_OLD_BIOS_IMAGE, /* Old Chrome OS BIOS image */
FILE_TYPE_KERN_PREAMBLE, /* VbKernelPreambleHeader */
/* These are FILE_TYPE_UNKNOWN, but we've been told more about them */
FILE_TYPE_RAW_FIRMWARE, /* FW_MAIN_A, etc. */
FILE_TYPE_RAW_KERNEL, /* vmlinuz, *.uimg, etc. */
FILE_TYPE_CHROMIUMOS_DISK, /* At least it has a GPT */
FILE_TYPE_PRIVKEY, /* VbPrivateKey */
FILE_TYPE_VB2_PUBKEY, /* struct vb2_public_key */
FILE_TYPE_VB2_PRIVKEY, /* struct vb2_private_key */
FILE_TYPE_PEM, /* RSA .pem file */
NUM_FILE_TYPES
};
/* Names for them */
const char * const futil_file_type_str(enum futil_file_type type);
/*
* This tries to match the buffer content to one of the known file types.
*/
enum futil_file_type futil_file_type_buf(uint8_t *buf, uint32_t len);
/*
* This opens a file and tries to match it to one of the known file types.
* It's not an error if it returns FILE_TYPE_UKNOWN.
*/
enum futil_file_err futil_file_type(const char *filename,
enum futil_file_type *type);
/* Routines to identify particular file types. */
enum futil_file_type recognize_bios_image(uint8_t *buf, uint32_t len);
enum futil_file_type recognize_gbb(uint8_t *buf, uint32_t len);
enum futil_file_type recognize_vblock1(uint8_t *buf, uint32_t len);
enum futil_file_type recognize_gpt(uint8_t *buf, uint32_t len);
enum futil_file_type recognize_vb1_key(uint8_t *buf, uint32_t len);
enum futil_file_type recognize_vb2_key(uint8_t *buf, uint32_t len);
enum futil_file_type recognize_pem(uint8_t *buf, uint32_t len);
#endif /* VBOOT_REFERENCE_FUTILITY_FILE_TYPE_H_ */
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