/*
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* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef VBOOT_REFERENCE_FUTILITY_FILE_TYPE_H_
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#define VBOOT_REFERENCE_FUTILITY_FILE_TYPE_H_
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/* What type of things do I know how to handle? */
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enum futil_file_type {
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FILE_TYPE_UNKNOWN,
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FILE_TYPE_PUBKEY, /* VbPublicKey */
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FILE_TYPE_KEYBLOCK, /* VbKeyBlockHeader */
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FILE_TYPE_FW_PREAMBLE, /* VbFirmwarePreambleHeader */
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FILE_TYPE_GBB, /* GoogleBinaryBlockHeader */
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FILE_TYPE_BIOS_IMAGE, /* Chrome OS BIOS image */
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FILE_TYPE_OLD_BIOS_IMAGE, /* Old Chrome OS BIOS image */
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FILE_TYPE_KERN_PREAMBLE, /* VbKernelPreambleHeader */
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/* These are FILE_TYPE_UNKNOWN, but we've been told more about them */
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FILE_TYPE_RAW_FIRMWARE, /* FW_MAIN_A, etc. */
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FILE_TYPE_RAW_KERNEL, /* vmlinuz, *.uimg, etc. */
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FILE_TYPE_CHROMIUMOS_DISK, /* At least it has a GPT */
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FILE_TYPE_PRIVKEY, /* VbPrivateKey */
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NUM_FILE_TYPES
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};
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/* Names for them */
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const char * const futil_file_type_str(enum futil_file_type type);
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/*
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* This tries to match the buffer content to one of the known file types.
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*/
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enum futil_file_type futil_file_type_buf(uint8_t *buf, uint32_t len);
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/*
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* This opens a file and tries to match it to one of the known file types.
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* It's not an error if it returns FILE_TYPE_UKNOWN.
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*/
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enum futil_file_err futil_file_type(const char *filename,
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enum futil_file_type *type);
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/* Routines to identify particular file types. */
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enum futil_file_type recognize_bios_image(uint8_t *buf, uint32_t len);
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enum futil_file_type recognize_gbb(uint8_t *buf, uint32_t len);
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enum futil_file_type recognize_vblock1(uint8_t *buf, uint32_t len);
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enum futil_file_type recognize_gpt(uint8_t *buf, uint32_t len);
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enum futil_file_type recognize_privkey(uint8_t *buf, uint32_t len);
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#endif /* VBOOT_REFERENCE_FUTILITY_FILE_TYPE_H_ */
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