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Diffstat (limited to 'src/include/ipxe/sec80211.h')
-rw-r--r-- | src/include/ipxe/sec80211.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/include/ipxe/sec80211.h b/src/include/ipxe/sec80211.h new file mode 100644 index 000000000..5ac96de1d --- /dev/null +++ b/src/include/ipxe/sec80211.h @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2009 Joshua Oreman <oremanj@rwcr.net>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _IPXE_SEC80211_H +#define _IPXE_SEC80211_H + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <ipxe/net80211.h> +#include <errno.h> + +/** @file + * + * Definitions for general secured-network routines. + * + * Any function in this file which may be referenced by code which is + * not exclusive to encryption-enabled builds (e.g. sec80211_detect(), + * which is called by net80211_probe_step() to fill the net80211_wlan + * structure's security fields) must be declared as a weak symbol, + * using an inline interface similar to that used for + * sec80211_detect() below. This prevents secure network support from + * bloating general builds by any more than a few tiny hooks to call + * crypto functions when crypto structures are non-NULL. + */ + +int _sec80211_detect ( struct io_buffer *iob, + enum net80211_security_proto *secprot, + enum net80211_crypto_alg *crypt ) + __attribute__ (( weak )); + + +/** + * Inline safety wrapper for _sec80211_detect() + * + * @v iob I/O buffer containing beacon frame + * @ret secprot Security handshaking protocol used by network + * @ret crypt Cryptosystem used by network + * @ret rc Return status code + * + * This function transparently calls _sec80211_detect() if the file + * containing it was compiled in, or returns an error indication of + * @c -ENOTSUP if not. + */ +static inline int sec80211_detect ( struct io_buffer *iob, + enum net80211_security_proto *secprot, + enum net80211_crypto_alg *crypt ) { + if ( _sec80211_detect ) + return _sec80211_detect ( iob, secprot, crypt ); + return -ENOTSUP; +} + +int sec80211_detect_ie ( int is_rsn, u8 *start, u8 *end, + enum net80211_security_proto *secprot, + enum net80211_crypto_alg *crypt ); +u8 * sec80211_find_rsn ( union ieee80211_ie *ie, void *ie_end, + int *is_rsn, u8 **end ); + +int sec80211_install ( struct net80211_crypto **which, + enum net80211_crypto_alg crypt, + const void *key, int len, const void *rsc ); + +u32 sec80211_rsn_get_crypto_desc ( enum net80211_crypto_alg crypt, int rsnie ); +u32 sec80211_rsn_get_akm_desc ( enum net80211_security_proto secprot, + int rsnie ); +enum net80211_crypto_alg sec80211_rsn_get_net80211_crypt ( u32 desc ); + +#endif /* _IPXE_SEC80211_H */ + |