freebsd-skq/sbin/dhclient/privsep.h
cem 413d779950 dhclient: add support for interface-mtu (26)
Make dhclient set interface MTU if it was provided.

This version implements MTU setting in dhclient itself before it runs
dhclient-script.

PR:		206721
Submitted by:	novel@
Reported by:	Jarrod Petz <jlpetz at gmail.com>
Reviewed by:	cem, allanjude
Differential Revision:	https://reviews.freebsd.org/D5675
2016-09-02 21:14:29 +00:00

52 lines
1.4 KiB
C

/* $OpenBSD: privsep.h,v 1.2 2004/05/04 18:51:18 henning Exp $ */
/*
* Copyright (c) 2004 Henning Brauer <henning@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE, ABUSE OR PERFORMANCE OF THIS SOFTWARE.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <poll.h>
#include <pwd.h>
struct buf {
u_char *buf;
size_t size;
size_t wpos;
size_t rpos;
};
enum imsg_code {
IMSG_NONE,
IMSG_SCRIPT_INIT,
IMSG_SCRIPT_WRITE_PARAMS,
IMSG_SCRIPT_GO,
IMSG_SCRIPT_GO_RET,
IMSG_SEND_PACKET,
IMSG_SET_INTERFACE_MTU,
};
struct imsg_hdr {
enum imsg_code code;
size_t len;
};
struct buf *buf_open(size_t);
int buf_add(struct buf *, void *, size_t);
int buf_close(int, struct buf *);
ssize_t buf_read(int sock, void *, size_t);