HardenedBSD/sys/compat/linux/linux_common.h
Gleb Smirnoff 9d4a08d162 linux: use sa_family_t for address family conversions
Express "conversion failed" with maximum possible value.  This allows to
reduce number of size/signedness conversion in the code that utilizes the
functions.

PR:			274536
Reviewed by:		melifaro
Differential Revision:	https://reviews.freebsd.org/D44375
2024-03-29 13:35:37 -07:00

53 lines
2.4 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019 Dmitry Chagin <dchagin@FreeBSD.org>
*
* 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 _LINUX_COMMON_H_
#define _LINUX_COMMON_H_
int ifname_bsd_to_linux_ifp(struct ifnet *, char *, size_t);
int ifname_bsd_to_linux_idx(u_int, char *, size_t);
int ifname_bsd_to_linux_name(const char *, char *, size_t);
struct ifnet *ifname_linux_to_ifp(struct thread *, const char *);
int ifname_linux_to_bsd(struct thread *, const char *, char *);
unsigned short linux_ifflags(struct ifnet *);
int linux_ifhwaddr(struct ifnet *ifp, struct l_sockaddr *lsa);
unsigned short bsd_to_linux_ifflags(int);
sa_family_t linux_to_bsd_domain(sa_family_t domain);
sa_family_t bsd_to_linux_domain(sa_family_t domain);
#define AF_UNKNOWN UINT8_MAX
int bsd_to_linux_sockaddr(const struct sockaddr *sa,
struct l_sockaddr **lsa, socklen_t len);
int linux_to_bsd_sockaddr(const struct l_sockaddr *lsa,
struct sockaddr **sap, socklen_t *len);
void linux_to_bsd_poll_events(struct thread *td, int fd,
short lev, short *bev);
void bsd_to_linux_poll_events(short bev, short *lev);
#endif /* _LINUX_COMMON_H_ */