HardenedBSD/include/spawn.h
Konstantin Belousov 822042fdfc posix_spawn(3): add POSIX_SPAWN_DISABLE_ASLR_NP
similar to Apple _POSIX_SPAWN_DISABLE_ASLR

Reviewed by:	emaste, kevans
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D44195
2024-03-04 03:00:38 +02:00

129 lines
4.6 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*/
#ifndef _SPAWN_H_
#define _SPAWN_H_
#include <sys/cdefs.h>
#include <sys/_types.h>
#include <sys/_sigset.h>
#ifndef _MODE_T_DECLARED
typedef __mode_t mode_t;
#define _MODE_T_DECLARED
#endif
#ifndef _PID_T_DECLARED
typedef __pid_t pid_t;
#define _PID_T_DECLARED
#endif
#ifndef _SIGSET_T_DECLARED
#define _SIGSET_T_DECLARED
typedef __sigset_t sigset_t;
#endif
struct sched_param;
typedef struct __posix_spawnattr *posix_spawnattr_t;
typedef struct __posix_spawn_file_actions *posix_spawn_file_actions_t;
#define POSIX_SPAWN_RESETIDS 0x01
#define POSIX_SPAWN_SETPGROUP 0x02
#define POSIX_SPAWN_SETSCHEDPARAM 0x04
#define POSIX_SPAWN_SETSCHEDULER 0x08
#define POSIX_SPAWN_SETSIGDEF 0x10
#define POSIX_SPAWN_SETSIGMASK 0x20
#define POSIX_SPAWN_DISABLE_ASLR_NP 0x40
__BEGIN_DECLS
/*
* Spawn routines
*
* XXX both arrays should be __restrict, but this does not work when GCC
* is invoked with -std=c99.
*/
int posix_spawn(pid_t * __restrict, const char * __restrict,
const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
char * const [], char * const []);
int posix_spawnp(pid_t * __restrict, const char * __restrict,
const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
char * const [], char * const []);
/*
* File descriptor actions
*/
int posix_spawn_file_actions_init(posix_spawn_file_actions_t *);
int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *);
int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t * __restrict,
int, const char * __restrict, int, mode_t);
int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int);
int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
#if __BSD_VISIBLE
int posix_spawn_file_actions_addchdir_np(posix_spawn_file_actions_t *
__restrict, const char * __restrict);
int posix_spawn_file_actions_addfchdir_np(posix_spawn_file_actions_t *,
int);
int posix_spawn_file_actions_addclosefrom_np(posix_spawn_file_actions_t *,
int);
#endif
/*
* Spawn attributes
*/
int posix_spawnattr_init(posix_spawnattr_t *);
int posix_spawnattr_destroy(posix_spawnattr_t *);
int posix_spawnattr_getflags(const posix_spawnattr_t * __restrict,
short * __restrict);
int posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict,
pid_t * __restrict);
int posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict,
struct sched_param * __restrict);
int posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict,
int * __restrict);
int posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict,
sigset_t * __restrict);
int posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict,
sigset_t * __restrict sigmask);
int posix_spawnattr_setflags(posix_spawnattr_t *, short);
int posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t);
int posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict,
const struct sched_param * __restrict);
int posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int);
int posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict,
const sigset_t * __restrict);
int posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict,
const sigset_t * __restrict);
__END_DECLS
#endif /* !_SPAWN_H_ */