HardenedBSD/lib/lib80211/lib80211_ioctl.c

/*
 * Copyright 2001 The Aerospace Corporation.  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.
 * 3. The name of The Aerospace Corporation may not be used to endorse or
 *    promote products derived from this software.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION ``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 AEROSPACE CORPORATION 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.
 */

/*-
 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
 * NASA Ames Research Center.
 *
 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/time.h>

#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/if_media.h>
#include <net/route.h>

#include <net80211/ieee80211_ioctl.h>
#include <net80211/ieee80211_freebsd.h>
#include <net80211/ieee80211_superg.h>
#include <net80211/ieee80211_tdma.h>
#include <net80211/ieee80211_mesh.h>

#include <assert.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <stddef.h>		/* NB: for offsetof */

#include "lib80211_ioctl.h"

/*
 * These implement basic net80211 accessor methods to wrap the IOCTL
 * calls.
 */

int
lib80211_get80211(int s, const char *name, int type, void *data, int len)
{
	struct ieee80211req ireq;

	(void) memset(&ireq, 0, sizeof(ireq));
	(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
	ireq.i_type = type;
	ireq.i_data = data;
	ireq.i_len = len;
	return ioctl(s, SIOCG80211, &ireq);
}

int
lib80211_get80211len(int s, const char *name, int type, void *data, int len, int *plen)
{
	struct ieee80211req ireq;

	(void) memset(&ireq, 0, sizeof(ireq));
	(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
	ireq.i_type = type;
	ireq.i_len = len;
	assert(ireq.i_len == len);	/* NB: check for 16-bit truncation */
	ireq.i_data = data;
	if (ioctl(s, SIOCG80211, &ireq) < 0)
		return -1;
	*plen = ireq.i_len;
	return 0;
}

int
lib80211_get80211val(int s, const char *name, int type, int *val)
{
	struct ieee80211req ireq;

	(void) memset(&ireq, 0, sizeof(ireq));
	(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
	ireq.i_type = type;
	if (ioctl(s, SIOCG80211, &ireq) < 0)
		return -1;
	*val = ireq.i_val;
	return 0;
}

int
lib80211_set80211(int s, const char *name, int type, int val, int len, void *data)
{
	struct ieee80211req	ireq;

	(void) memset(&ireq, 0, sizeof(ireq));
	(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
	ireq.i_type = type;
	ireq.i_val = val;
	ireq.i_len = len;
	assert(ireq.i_len == len);	/* NB: check for 16-bit truncation */
	ireq.i_data = data;
	if (ioctl(s, SIOCS80211, &ireq) < 0)
		return (-1);
	return (0);
}