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1 /*
2  * wpa_supplicant - IBSS RSN
3  * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifndef IBSS_RSN_H
10 #define IBSS_RSN_H
11 
12 struct ibss_rsn;
13 
14 /* not authenticated */
15 #define IBSS_RSN_AUTH_NOT_AUTHENTICATED	0x00
16 /* remote peer sent an EAPOL message */
17 #define IBSS_RSN_AUTH_EAPOL_BY_PEER	0x01
18 /* we sent an AUTH message with seq 1 */
19 #define IBSS_RSN_AUTH_BY_US		0x02
20 /* we sent an EAPOL message */
21 #define IBSS_RSN_AUTH_EAPOL_BY_US	0x04
22 /* PTK derived as supplicant */
23 #define IBSS_RSN_SET_PTK_SUPP		0x08
24 /* PTK derived as authenticator */
25 #define IBSS_RSN_SET_PTK_AUTH		0x10
26 /* PTK completion reported */
27 #define IBSS_RSN_REPORTED_PTK		0x20
28 
29 struct ibss_rsn_peer {
30 	struct ibss_rsn_peer *next;
31 	struct ibss_rsn *ibss_rsn;
32 
33 	u8 addr[ETH_ALEN];
34 
35 	struct wpa_sm *supp;
36 	enum wpa_states supp_state;
37 	u8 supp_ie[80];
38 	size_t supp_ie_len;
39 
40 	struct wpa_state_machine *auth;
41 	int authentication_status;
42 
43 	struct os_reltime own_auth_tx;
44 };
45 
46 struct ibss_rsn {
47 	struct wpa_supplicant *wpa_s;
48 	struct wpa_authenticator *auth_group;
49 	struct ibss_rsn_peer *peers;
50 	u8 psk[PMK_LEN];
51 };
52 
53 
54 struct ibss_rsn * ibss_rsn_init(struct wpa_supplicant *wpa_s,
55 				struct wpa_ssid *ssid);
56 void ibss_rsn_deinit(struct ibss_rsn *ibss_rsn);
57 int ibss_rsn_start(struct ibss_rsn *ibss_rsn, const u8 *addr);
58 void ibss_rsn_stop(struct ibss_rsn *ibss_rsn, const u8 *peermac);
59 int ibss_rsn_rx_eapol(struct ibss_rsn *ibss_rsn, const u8 *src_addr,
60 		      const u8 *buf, size_t len);
61 void ibss_rsn_set_psk(struct ibss_rsn *ibss_rsn, const u8 *psk);
62 void ibss_rsn_handle_auth(struct ibss_rsn *ibss_rsn, const u8 *auth_frame,
63 			  size_t len);
64 
65 #endif /* IBSS_RSN_H */
66