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mirror of https://git.kernel.org/pub/scm/network/wireless/iwd.git synced 2024-11-20 12:39:25 +01:00
iwd/src/ft.h
James Prestwood ff333a112b ft: break up FT action parsing into two steps
This is to prepare for multiple concurrent FT-over-DS action frames.
A list will be kept in netdev and for lookup reasons it needs to
parse the start of the frame to grab the aa/spa addresses. In this
call the IEs are also returned and passed to the new
ft_over_ds_parse_action_response.

For now the address checks have been moved into netdev, but this will
eventually turn into a queue lookup.
2021-05-12 18:04:30 -05:00

71 lines
2.2 KiB
C

/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2017-2019 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
struct handshake_state;
typedef void (*ft_tx_authenticate_func_t)(struct iovec *iov, size_t iov_len,
void *user_data);
typedef int (*ft_tx_associate_func_t)(struct iovec *ie_iov, size_t iov_len,
void *user_data);
typedef void (*ft_ds_free_func_t)(void *user_data);
struct ft_ds_info {
uint8_t spa[6];
uint8_t aa[6];
uint8_t snonce[32];
uint8_t mde[3];
uint8_t *fte;
struct ie_ft_info ft_info;
void (*free)(struct ft_ds_info *s);
};
void ft_ds_info_free(struct ft_ds_info *info);
bool ft_build_authenticate_ies(struct handshake_state *hs,
const uint8_t *new_snonce, uint8_t *buf,
size_t *len);
int ft_over_ds_parse_action_response(const uint8_t *frame, size_t frame_len,
const uint8_t **spa_out,
const uint8_t **aa_out,
const uint8_t **ies_out,
size_t *ies_len);
bool ft_over_ds_parse_action_ies(struct ft_ds_info *info,
struct handshake_state *hs,
const uint8_t *ies,
size_t ies_len);
struct auth_proto *ft_over_air_sm_new(struct handshake_state *hs,
ft_tx_authenticate_func_t tx_auth,
ft_tx_associate_func_t tx_assoc,
void *user_data);
struct auth_proto *ft_over_ds_sm_new(struct handshake_state *hs,
ft_tx_associate_func_t tx_assoc,
void *user_data);
bool ft_over_ds_prepare_handshake(struct ft_ds_info *info,
struct handshake_state *hs);