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/*-
* Copyright (c) 2017-2018, Juniper Networks, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* $FreeBSD$
*/
#ifndef _LIBSECUREBOOT_H_
#define _LIBSECUREBOOT_H_
#include <sys/param.h>
#ifdef _STANDALONE
#include <stand.h>
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#endif
#include <bearssl.h>
unsigned char * read_fd(int, size_t);
#ifndef NEED_BRSSL_H
unsigned char * read_file(const char *, size_t *);
#endif
extern int DebugVe;
#define DEBUG_PRINTF(n, x) if (DebugVe >= n) printf x
int ve_trust_init(void);
size_t ve_trust_anchors_add_buf(unsigned char *, size_t);
size_t ve_trust_anchors_revoke(unsigned char *, size_t);
int ve_trust_add(const char *);
void ve_debug_set(int);
void ve_anchor_verbose_set(int);
int ve_anchor_verbose_get(void);
void ve_utc_set(time_t utc);
char *ve_error_get(void);
int ve_error_set(const char *, ...) __printflike(1,2);
int ve_self_tests(void);
void fingerprint_info_add(const char *, const char *, const char *,
const char *, struct stat *);
int ve_check_hash(br_hash_compat_context *, const br_hash_class *,
const char *, const char *, size_t);
char * hexdigest(char *, size_t, unsigned char *, size_t);
int verify_fd(int, const char *, off_t, struct stat *);
int verify_open(const char *, int);
unsigned char *verify_signed(const char *, int);
unsigned char *verify_sig(const char *, int);
unsigned char *verify_asc(const char *, int); /* OpenPGP */
void ve_pcr_init(void);
void ve_pcr_update(const char *, unsigned char *, size_t);
ssize_t ve_pcr_get(unsigned char *, size_t);
int ve_pcr_updating_get(void);
void ve_pcr_updating_set(int);
char * ve_pcr_hashed_get(int);
/* flags for verify_{asc,sig,signed} */
#define VEF_VERBOSE 1
#define VE_FINGERPRINT_OK 1
#define VE_FINGERPRINT_IGNORE 2
/* errors from verify_fd */
#define VE_FINGERPRINT_NONE -2
#define VE_FINGERPRINT_WRONG -3
#define VE_FINGERPRINT_UNKNOWN -4 /* may not be an error */
#endif /* _LIBSECUREBOOT_H_ */
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