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/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
* 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 author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* IEEE 802.11 NULL crypto support.
*/
#include "net80211_impl.h"
static void *none_attach(struct ieee80211com *, struct ieee80211_key *);
static void none_detach(struct ieee80211_key *);
static int none_setkey(struct ieee80211_key *);
static int none_encap(struct ieee80211_key *, mblk_t *, uint8_t);
static int none_decap(struct ieee80211_key *, mblk_t *, int);
static int none_enmic(struct ieee80211_key *, mblk_t *, int);
static int none_demic(struct ieee80211_key *, mblk_t *, int);
const struct ieee80211_cipher ieee80211_cipher_none = {
"NONE",
IEEE80211_CIPHER_NONE,
0,
0,
0,
none_attach,
none_detach,
none_setkey,
none_encap,
none_decap,
none_enmic,
none_demic,
};
/* ARGSUSED */
static void *
none_attach(struct ieee80211com *ic, struct ieee80211_key *k)
{
return (ic); /* for diagnostics+stats */
}
/* ARGSUSED */
static void
none_detach(struct ieee80211_key *k)
{
/* noop */
}
/* ARGSUSED */
static int
none_setkey(struct ieee80211_key *k)
{
return (1);
}
/* ARGSUSED */
static int
none_encap(struct ieee80211_key *k, mblk_t *mp, uint8_t keyid)
{
/*
* The specified key is not setup; this can
* happen, at least, when changing keys.
*/
ieee80211_dbg(IEEE80211_MSG_CRYPTO, "none_encap: "
"key id %u is not set (encap)\n", keyid >> 6);
return (0);
}
/* ARGSUSED */
static int
none_decap(struct ieee80211_key *k, mblk_t *mp, int hdrlen)
{
struct ieee80211_frame *wh = (struct ieee80211_frame *)mp->b_rptr;
const uint8_t *ivp = (const uint8_t *)&wh[1];
/*
* The specified key is not setup; this can
* happen, at least, when changing keys.
*/
ieee80211_dbg(IEEE80211_MSG_CRYPTO, "none_decap"
"key id %u is not set (decap)\n",
ivp[IEEE80211_WEP_IVLEN] >> 6);
return (0);
}
/* ARGSUSED */
static int
none_enmic(struct ieee80211_key *k, mblk_t *mp, int force)
{
return (0);
}
/* ARGSUSED */
static int
none_demic(struct ieee80211_key *k, mblk_t *mp, int force)
{
return (0);
}
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