blob: 328c063babe2bf8a91b076f4ae5d594930ba99e0 [file] [log] [blame]
/* 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.
*
* vboot-related functions exported for use by userspace programs
*/
#ifndef VBOOT_REFERENCE_VBOOT_HOST_H_
#define VBOOT_REFERENCE_VBOOT_HOST_H_
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include "2crypto.h"
#include "cgpt_params.h"
/****************************************************************************/
/* EFI GPT manipulation */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* partition table manipulation */
int CgptCreate(CgptCreateParams *params);
int CgptAdd(CgptAddParams *params);
int CgptEdit(CgptEditParams *params);
int CgptSetAttributes(CgptAddParams *params);
int CgptGetPartitionDetails(CgptAddParams *params);
int CgptBoot(CgptBootParams *params);
int CgptGetBootPartitionNumber(CgptBootParams *params);
int CgptShow(CgptShowParams *params);
int CgptGetNumNonEmptyPartitions(CgptShowParams *params);
int CgptRepair(CgptRepairParams *params);
int CgptPrioritize(CgptPrioritizeParams *params);
void CgptFind(CgptFindParams *params);
int CgptLegacy(CgptLegacyParams *params);
/* GUID conversion functions. Accepted format:
*
* "C12A7328-F81F-11D2-BA4B-00A0C93EC93B"
*
* At least GUID_STRLEN bytes should be reserved in 'str' (included the tailing
* '\0').
*/
#define GUID_STRLEN 37
int StrToGuid(const char *str, Guid *guid);
void GuidToStr(const Guid *guid, char *str, unsigned int buflen);
int GuidEqual(const Guid *guid1, const Guid *guid2);
int GuidIsZero(const Guid *guid);
/****************************************************************************/
/* Kernel command line */
/* TODO(wfrichar): This needs a better location */
#define MAX_KERNEL_CONFIG_SIZE 4096
/* Use this to obtain the body load address from the kernel preamble */
#define USE_PREAMBLE_LOAD_ADDR (~0)
/* Returns a new copy of the kernel cmdline. The caller must free it. */
char *FindKernelConfig(const char *filename,
uint64_t kernel_body_load_address);
/****************************************************************************/
/* Kernel partition */
/* Used to get a bootable vmlinuz from the kernel partition. vmlinuz_out must
* be free'd after this function returns success. Success is indicated by a
* zero return value.
*/
int ExtractVmlinuz(void *kpart_data, size_t kpart_size,
void **vmlinuz_out, size_t *vmlinuz_size);
/**
* Look up a signature algorithm by its string representation.
*
* @param str String representation of algo (e.g. "rsa2048" or "1")
* @param alg Output parameter that will be filled with found enum
* @return True if algorithm was found, false otherwise.
*/
bool vb2_lookup_sig_alg(const char *str, enum vb2_signature_algorithm *sig_alg);
/**
* Look up a hash algorithm by its string representation.
*
* @param str String representation of algorithm (e.g. "sha1" or "1")
* @param alg Output parameter that will be filled with found enum
* @return True if algorithm was found, false otherwise.
*/
bool vb2_lookup_hash_alg(const char *str, enum vb2_hash_algorithm *hash_alg);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* VBOOT_REFERENCE_VBOOT_HOST_H_ */