101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <errno.h>
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struct auth_proto {
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bool (*start)(struct auth_proto *ap);
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void (*free)(struct auth_proto *ap);
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/*
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* Callback to receive an Authenticate frame. auth-protos should
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* return error codes consistent with one another as some are treated
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* specially:
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*
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* 0 indicates success, and that a state transition occurred.
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* -ENOMSG or -EBADMSG indicates the message should be ignored silently
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* -EAGAIN indicates a retry, and no state transition occurred. Any
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* retry is handled by the auth-proto internally
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* -EPROTO indicates a fatal error
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* Any other < 0 return will be treated as a fatal error
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* > 0 indicates a fatal error with status code. This only applies to
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* non-sta cases as non-zero status codes are rejected by the
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* kernel when in station mode.
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*/
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int (*rx_authenticate)(struct auth_proto *driver,
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const uint8_t *frame, size_t len);
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int (*rx_associate)(struct auth_proto *driver,
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const uint8_t *frame, size_t len);
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bool (*auth_timeout)(struct auth_proto *ap);
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bool (*assoc_timeout)(struct auth_proto *ap);
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uint8_t prev_bssid[6];
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};
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static inline void auth_proto_free(struct auth_proto *ap)
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{
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if (ap && ap->free)
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ap->free(ap);
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}
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static inline bool auth_proto_start(struct auth_proto *ap)
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{
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if (ap && ap->start)
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return ap->start(ap);
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return false;
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}
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static inline int auth_proto_rx_authenticate(struct auth_proto *ap,
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const uint8_t *frame,
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size_t frame_len)
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{
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if (ap && ap->rx_authenticate)
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return ap->rx_authenticate(ap, frame, frame_len);
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return -ENOTSUP;
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}
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static inline int auth_proto_rx_associate(struct auth_proto *ap,
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const uint8_t *frame,
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size_t frame_len)
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{
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if (ap && ap->rx_associate)
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return ap->rx_associate(ap, frame, frame_len);
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return -ENOTSUP;
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}
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static inline bool auth_proto_auth_timeout(struct auth_proto *ap)
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{
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if (ap && ap->auth_timeout)
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return ap->auth_timeout(ap);
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return false;
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}
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static inline bool auth_proto_assoc_timeout(struct auth_proto *ap)
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{
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if (ap && ap->assoc_timeout)
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return ap->assoc_timeout(ap);
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return false;
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}
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