84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
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/*
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* Copyright (c) 2009 Joshua Oreman <oremanj@rwcr.net>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _GPXE_SEC80211_H
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#define _GPXE_SEC80211_H
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <gpxe/net80211.h>
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#include <errno.h>
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/** @file
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*
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* Definitions for general secured-network routines.
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*
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* Any function in this file which may be referenced by code which is
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* not exclusive to encryption-enabled builds (e.g. sec80211_detect(),
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* which is called by net80211_probe_step() to fill the net80211_wlan
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* structure's security fields) must be declared as a weak symbol,
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* using an inline interface similar to that used for
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* sec80211_detect() below. This prevents secure network support from
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* bloating general builds by any more than a few tiny hooks to call
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* crypto functions when crypto structures are non-NULL.
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*/
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int _sec80211_detect ( struct io_buffer *iob,
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enum net80211_security_proto *secprot,
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enum net80211_crypto_alg *crypt )
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__attribute__ (( weak ));
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/**
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* Inline safety wrapper for _sec80211_detect()
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*
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* @v iob I/O buffer containing beacon frame
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* @ret secprot Security handshaking protocol used by network
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* @ret crypt Cryptosystem used by network
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* @ret rc Return status code
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*
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* This function transparently calls _sec80211_detect() if the file
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* containing it was compiled in, or returns an error indication of
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* @c -ENOTSUP if not.
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*/
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static inline int sec80211_detect ( struct io_buffer *iob,
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enum net80211_security_proto *secprot,
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enum net80211_crypto_alg *crypt ) {
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if ( _sec80211_detect )
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return _sec80211_detect ( iob, secprot, crypt );
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return -ENOTSUP;
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}
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int sec80211_detect_ie ( int is_rsn, u8 *start, u8 *end,
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enum net80211_security_proto *secprot,
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enum net80211_crypto_alg *crypt );
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u8 * sec80211_find_rsn ( union ieee80211_ie *ie, void *ie_end,
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int *is_rsn, u8 **end );
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int sec80211_install ( struct net80211_crypto **which,
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enum net80211_crypto_alg crypt,
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const void *key, int len, const void *rsc );
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u32 sec80211_rsn_get_crypto_desc ( enum net80211_crypto_alg crypt, int rsnie );
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u32 sec80211_rsn_get_akm_desc ( enum net80211_security_proto secprot,
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int rsnie );
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enum net80211_crypto_alg sec80211_rsn_get_net80211_crypt ( u32 desc );
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#endif /* _GPXE_SEC80211_H */
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