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/*
* EFI Boot Guard
*
* Copyright (c) Siemens AG, 2017
*
* Authors:
* Andreas Reichel <andreas.reichel.ext@siemens.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
* SPDX-License-Identifier: GPL-2.0-only
*/
#pragma once
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <wchar.h>
#include <string.h>
#include <unistd.h>
#include <argp.h>
#include <mntent.h>
#include <fcntl.h>
#include <sys/file.h>
#include <sys/mount.h>
#include "config.h"
#include "envdata.h"
#include "ebgenv.h"
#include <uchar.h>
#ifdef DEBUG
#define printf_debug(fmt, ...) printf(fmt, __VA_ARGS__)
#else
#define printf_debug(fmt, ...) \
{ \
}
#endif
#define DEFAULT_TIMEOUT_SEC 30
extern ebgenv_opts_t ebgenv_opts;
#define VERBOSE(o, ...) \
if (ebgenv_opts.verbose) fprintf(o, __VA_ARGS__)
typedef enum {
EBGENV_KERNELFILE,
EBGENV_KERNELPARAMS,
EBGENV_WATCHDOG_TIMEOUT_SEC,
EBGENV_REVISION,
EBGENV_USTATE,
EBGENV_IN_PROGRESS,
EBGENV_UNKNOWN
} EBGENVKEY;
typedef struct {
char *devpath;
char *mountpoint;
bool not_mounted;
} CONFIG_PART;
typedef struct {
void *desc;
BG_ENVDATA *data;
} BGENV;
typedef struct gc_item {
char *key;
struct gc_item *next;
} GC_ITEM;
extern void bgenv_be_verbose(bool v);
extern char *str16to8(char *buffer, const char16_t *src);
extern char16_t *str8to16(char16_t *buffer, const char *src);
extern uint32_t bgenv_crc32(uint32_t, const void *, size_t);
extern bool bgenv_init(void);
extern void bgenv_finalize(void);
extern BGENV *bgenv_open_by_index(uint32_t index);
extern BGENV *bgenv_open_oldest(void);
extern BGENV *bgenv_open_latest(void);
extern bool bgenv_write(BGENV *env);
extern BG_ENVDATA *bgenv_read(const BGENV *env);
extern void bgenv_close(BGENV *env);
extern BGENV *bgenv_create_new(void);
extern int bgenv_get(BGENV *env, const char *key, uint64_t *type, void *data,
uint32_t maxlen);
extern int bgenv_set(BGENV *env, const char *key, uint64_t type,
const void *data, uint32_t datalen);
extern uint8_t *bgenv_find_uservar(uint8_t *userdata, const char *key);
extern bool validate_envdata(BG_ENVDATA *data);
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