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/* misc. universal things, for libreswan
*
* Copyright (C) 1997 Angelos D. Keromytis.
* Copyright (C) 1998-2001 D. Hugh Redelmeier.
* Copyright (C) 2018-2019 Andrew Cagney <cagney@gnu.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
*/
#ifndef _DEFS_H
#define _DEFS_H
#include "lswcdefs.h"
#include "lswalloc.h"
#include "realtime.h"
/*
* Type of serial number of a state object.
*
* Used everywhere as a safe proxy for a state object. Needed in
* connections.h and state.h; here to simplify dependencies.
*/
typedef unsigned long so_serial_t;
#define SOS_NOBODY 0 /* null serial number */
#define SOS_FIRST 1 /* first normal serial number */
enum sa_type {
#define SA_TYPE_FLOOR 0
IKE_SA = SA_TYPE_FLOOR,
IPSEC_SA,
#define SA_TYPE_ROOF (IPSEC_SA+1)
};
extern enum_names v1_sa_type_names;
extern enum_names v2_sa_type_names;
extern enum_enum_names sa_type_names;
/* warns a predefined interval before expiry */
extern const char *check_expiry(realtime_t expiration_date,
time_t warning_interval, bool strict);
typedef uint32_t msgid_t; /* Host byte ordered */
#define PRI_MSGID "%"PRIu32
#define v1_MAINMODE_MSGID ((msgid_t) 0) /* network and host order */
#define v2_FIRST_MSGID ((msgid_t) 0) /* network and host order */
#define v2_INVALID_MSGID ((msgid_t) 0xffffffff) /* network and host order */
/* are all bytes 0? */
extern bool all_zero(const unsigned char *m, size_t len);
/* pad_up(n, m) is the amount to add to n to make it a multiple of m */
#define pad_up(n, m) (((m) - 1) - (((n) + (m) - 1) % (m)))
extern bool in_main_thread(void); /* in plutomain.c */
void delete_lock(void); /* XXX: better home? */
void free_pluto_main(void); /* XXX: better home? */
#endif /* _DEFS_H */
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