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90 lines
3.7 KiB
C
90 lines
3.7 KiB
C
/*
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* Internal WPA/RSN supplicant state machine definitions
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* Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef WPA_I_H
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#define WPA_I_H
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/**
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* set_key - Configure encryption key
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* @ifname: Interface name (for multi-SSID/VLAN support)
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* @priv: private driver interface data
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* @alg: encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
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* %WPA_ALG_TKIP, %WPA_ALG_CCMP, %WPA_ALG_IGTK, %WPA_ALG_PMK);
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* %WPA_ALG_NONE clears the key.
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* @addr: address of the peer STA or ff:ff:ff:ff:ff:ff for
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* broadcast/default keys
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* @key_idx: key index (0..3), usually 0 for unicast keys; 0..4095 for
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* IGTK
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* @set_tx: configure this key as the default Tx key (only used when
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* driver does not support separate unicast/individual key
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* @seq: sequence number/packet number, seq_len octets, the next
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* packet number to be used for in replay protection; configured
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* for Rx keys (in most cases, this is only used with broadcast
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* keys and set to zero for unicast keys)
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* @seq_len: length of the seq, depends on the algorithm:
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* TKIP: 6 octets, CCMP: 6 octets, IGTK: 6 octets
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* @key: key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
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* 8-byte Rx Mic Key
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* @key_len: length of the key buffer in octets (WEP: 5 or 13,
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* TKIP: 32, CCMP: 16, IGTK: 16)
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*
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* Returns: 0 on success, -1 on failure
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*
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* Configure the given key for the kernel driver. If the driver
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* supports separate individual keys (4 default keys + 1 individual),
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* addr can be used to determine whether the key is default or
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* individual. If only 4 keys are supported, the default key with key
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* index 0 is used as the individual key. STA must be configured to use
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* it as the default Tx key (set_tx is set) and accept Rx for all the
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* key indexes. In most cases, WPA uses only key indexes 1 and 2 for
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* broadcast keys, so key index 0 is available for this kind of
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* configuration.
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*
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* Please note that TKIP keys include separate TX and RX MIC keys and
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* some drivers may expect them in different order than wpa_supplicant
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* is using. If the TX/RX keys are swapped, all TKIP encrypted packets
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* will tricker Michael MIC errors. This can be fixed by changing the
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* order of MIC keys by swapping te bytes 16..23 and 24..31 of the key
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* in driver_*.c set_key() implementation, see driver_ndis.c for an
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* example on how this can be done.
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*/
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typedef void (* WPA_SEND_FUNC)(struct pbuf *pb);
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typedef void (* WPA_SET_ASSOC_IE)(uint8 proto, u8 *assoc_buf, u32 assoc_wpa_ie_len);
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typedef void (*WPA_INSTALL_KEY) (enum wpa_alg alg, uint8 *addr, int key_idx, int set_tx,
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uint8 *seq, size_t seq_len, uint8 *key, size_t key_len, int key_entry_valid);
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typedef void (*WPA_DEAUTH)(uint8 reason_code);
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typedef void (*WPA_NEG_COMPLETE)();
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void wpa_register(char * payload, WPA_SEND_FUNC snd_func, \
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WPA_SET_ASSOC_IE set_assoc_ie_func, \
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WPA_INSTALL_KEY ppinstallkey, \
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WPA_DEAUTH wpa_deauth, \
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WPA_NEG_COMPLETE wpa_neg_complete);
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#include "pp/esf_buf.h"
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void eapol_txcb(esf_buf_t *eb);
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void wpa_set_profile(uint32 wpa_proto);
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void wpa_set_bss(char *macddr, char * bssid, uint8 pairwise_cipher, uint8 group_cipher, char *passphrase, u8 *ssid, size_t ssid_len);
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int wpa_sm_rx_eapol(u8 *src_addr, u8 *buf, u32 len);
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#endif /* WPA_I_H */
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