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1/*
2 * wpa_supplicant - WPA definitions
98cd3d1c 3 * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
6fc6879b 4 *
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5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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7 */
8
9#ifndef WPA_H
10#define WPA_H
11
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12#include "common/defs.h"
13#include "common/eapol_common.h"
14#include "common/wpa_common.h"
ff4178d5 15#include "common/ieee802_11_defs.h"
6fc6879b 16
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17struct wpa_sm;
18struct eapol_sm;
19struct wpa_config_blob;
6b90deae 20struct hostapd_freq_params;
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21
22struct wpa_sm_ctx {
23 void *ctx; /* pointer to arbitrary upper level context */
0f057fb2 24 void *msg_ctx; /* upper level context for wpa_msg() calls */
6fc6879b 25
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26 void (*set_state)(void *ctx, enum wpa_states state);
27 enum wpa_states (*get_state)(void *ctx);
95de34a1 28 void (*deauthenticate)(void * ctx, int reason_code);
71934751 29 int (*set_key)(void *ctx, enum wpa_alg alg,
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30 const u8 *addr, int key_idx, int set_tx,
31 const u8 *seq, size_t seq_len,
32 const u8 *key, size_t key_len);
33 void * (*get_network_ctx)(void *ctx);
34 int (*get_bssid)(void *ctx, u8 *bssid);
35 int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf,
36 size_t len);
37 int (*get_beacon_ie)(void *ctx);
38 void (*cancel_auth_timeout)(void *ctx);
39 u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len,
40 size_t *msg_len, void **data_pos);
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41 int (*add_pmkid)(void *ctx, void *network_ctx, const u8 *bssid,
42 const u8 *pmkid);
43 int (*remove_pmkid)(void *ctx, void *network_ctx, const u8 *bssid,
44 const u8 *pmkid);
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45 void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob);
46 const struct wpa_config_blob * (*get_config_blob)(void *ctx,
47 const char *name);
48 int (*mlme_setprotection)(void *ctx, const u8 *addr,
49 int protection_type, int key_type);
50 int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies,
51 size_t ies_len);
52 int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap,
53 const u8 *ies, size_t ies_len);
2a7e7f4e 54 int (*mark_authenticated)(void *ctx, const u8 *target_ap);
281ff0aa 55#ifdef CONFIG_TDLS
c58ab8f2 56 int (*tdls_get_capa)(void *ctx, int *tdls_supported,
4daa5729 57 int *tdls_ext_setup, int *tdls_chan_switch);
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58 int (*send_tdls_mgmt)(void *ctx, const u8 *dst,
59 u8 action_code, u8 dialog_token,
96ecea5e 60 u16 status_code, u32 peer_capab,
984dadc2 61 int initiator, const u8 *buf, size_t len);
281ff0aa 62 int (*tdls_oper)(void *ctx, int oper, const u8 *peer);
78533699 63 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid,
45b722f1 64 u16 capability, const u8 *supp_rates,
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65 size_t supp_rates_len,
66 const struct ieee80211_ht_capabilities *ht_capab,
f8361e3d 67 const struct ieee80211_vht_capabilities *vht_capab,
08d7665c 68 u8 qosinfo, int wmm, const u8 *ext_capab,
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69 size_t ext_capab_len, const u8 *supp_channels,
70 size_t supp_channels_len,
71 const u8 *supp_oper_classes,
72 size_t supp_oper_classes_len);
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73 int (*tdls_enable_channel_switch)(
74 void *ctx, const u8 *addr, u8 oper_class,
75 const struct hostapd_freq_params *params);
76 int (*tdls_disable_channel_switch)(void *ctx, const u8 *addr);
281ff0aa 77#endif /* CONFIG_TDLS */
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78 void (*set_rekey_offload)(void *ctx, const u8 *kek, size_t kek_len,
79 const u8 *kck, size_t kck_len,
b14a210c 80 const u8 *replay_ctr);
b41f2684 81 int (*key_mgmt_set_pmk)(void *ctx, const u8 *pmk, size_t pmk_len);
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82};
83
84
85enum wpa_sm_conf_params {
86 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
87 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
88 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
89 WPA_PARAM_PROTO,
90 WPA_PARAM_PAIRWISE,
91 WPA_PARAM_GROUP,
92 WPA_PARAM_KEY_MGMT,
93 WPA_PARAM_MGMT_GROUP,
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94 WPA_PARAM_RSN_ENABLED,
95 WPA_PARAM_MFP
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96};
97
98struct rsn_supp_config {
99 void *network_ctx;
100 int peerkey_enabled;
101 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
102 int proactive_key_caching;
103 int eap_workaround;
104 void *eap_conf_ctx;
105 const u8 *ssid;
106 size_t ssid_len;
581a8cde 107 int wpa_ptk_rekey;
25ef8529 108 int p2p;
73ed03f3 109 int wpa_rsc_relaxation;
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110};
111
112#ifndef CONFIG_NO_WPA
113
114struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
115void wpa_sm_deinit(struct wpa_sm *sm);
116void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
117void wpa_sm_notify_disassoc(struct wpa_sm *sm);
bc26ac50 118void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len,
70c93963 119 const u8 *pmkid, const u8 *bssid);
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120void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
121void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
122void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
123void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
124void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
125void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
126 const char *bridge_ifname);
127void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
128int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
129int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
130 size_t *wpa_ie_len);
131int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
132int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
133int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
134
135int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
136 unsigned int value);
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137
138int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
139 int verbose);
ae8535b6 140int wpa_sm_pmf_enabled(struct wpa_sm *sm);
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141
142void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
143
144int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
145 struct wpa_ie_data *data);
146
147void wpa_sm_aborted_cached(struct wpa_sm *sm);
148int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
149 const u8 *buf, size_t len);
150int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
540264a7 151int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
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152struct rsn_pmksa_cache_entry * wpa_sm_pmksa_cache_head(struct wpa_sm *sm);
153struct rsn_pmksa_cache_entry *
154wpa_sm_pmksa_cache_add_entry(struct wpa_sm *sm,
155 struct rsn_pmksa_cache_entry * entry);
32d5295f 156void wpa_sm_drop_sa(struct wpa_sm *sm);
0d7b4409 157int wpa_sm_has_ptk(struct wpa_sm *sm);
6fc6879b 158
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159void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr);
160
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161void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx);
162
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163int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf);
164
b41f2684 165void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, const u8 *rx_replay_counter);
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166void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm,
167 const u8 *ptk_kck, size_t ptk_kck_len,
168 const u8 *ptk_kek, size_t ptk_kek_len);
b41f2684 169
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170#else /* CONFIG_NO_WPA */
171
172static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
173{
174 return (struct wpa_sm *) 1;
175}
176
177static inline void wpa_sm_deinit(struct wpa_sm *sm)
178{
179}
180
181static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
182{
183}
184
185static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
186{
187}
188
189static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
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190 size_t pmk_len, const u8 *pmkid,
191 const u8 *bssid)
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192{
193}
194
195static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
196{
197}
198
199static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
200{
201}
202
203static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
204{
205}
206
207static inline void wpa_sm_set_config(struct wpa_sm *sm,
208 struct rsn_supp_config *config)
209{
210}
211
212static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
213{
214}
215
216static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
217 const char *bridge_ifname)
218{
219}
220
221static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
222{
223}
224
225static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
226 size_t len)
227{
228 return -1;
229}
230
231static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
232 u8 *wpa_ie,
233 size_t *wpa_ie_len)
234{
235 return -1;
236}
237
238static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
239 size_t len)
240{
241 return -1;
242}
243
244static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
245 size_t len)
246{
247 return -1;
248}
249
250static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
251{
252 return 0;
253}
254
255static inline int wpa_sm_set_param(struct wpa_sm *sm,
256 enum wpa_sm_conf_params param,
257 unsigned int value)
258{
259 return -1;
260}
261
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262static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
263 size_t buflen, int verbose)
264{
265 return 0;
266}
267
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268static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm)
269{
270 return 0;
271}
272
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273static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
274 int pairwise)
275{
276}
277
278static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
279 struct wpa_ie_data *data)
280{
281 return -1;
282}
283
284static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
285{
286}
287
288static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
289 const u8 *buf, size_t len)
290{
291 return -1;
292}
293
294static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
295 struct wpa_ie_data *data)
296{
297 return -1;
298}
299
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300static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
301 size_t len)
302{
303 return -1;
304}
305
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306static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
307{
308}
309
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310static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
311{
312 return 0;
313}
314
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315static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm,
316 const u8 *replay_ctr)
317{
318}
319
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320static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm,
321 void *network_ctx)
322{
323}
324
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325static inline void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm,
326 const u8 *rx_replay_counter)
327{
328}
329
330static inline void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm, const u8 *ptk_kck,
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331 size_t ptk_kck_len,
332 const u8 *ptk_kek, size_t ptk_kek_len)
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333{
334}
335
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336#endif /* CONFIG_NO_WPA */
337
338#ifdef CONFIG_PEERKEY
339int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
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340int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
341 const u8 *buf, size_t len);
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342#else /* CONFIG_PEERKEY */
343static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
344{
345 return -1;
346}
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347
348static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
349 const u8 *buf, size_t len)
350{
351 return 0;
352}
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353#endif /* CONFIG_PEERKEY */
354
355#ifdef CONFIG_IEEE80211R
356
e7846b68 357int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
76b7981d 358int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
6fc6879b 359int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
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360 int ft_action, const u8 *target_ap,
361 const u8 *ric_ies, size_t ric_ies_len);
6fc6879b 362int wpa_ft_is_completed(struct wpa_sm *sm);
02db75b6 363void wpa_reset_ft_completed(struct wpa_sm *sm);
6fc6879b 364int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
658d1662 365 size_t ies_len, const u8 *src_addr);
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366int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
367 const u8 *mdie);
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368
369#else /* CONFIG_IEEE80211R */
370
371static inline int
087f0254 372wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
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373{
374 return 0;
375}
376
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377static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
378 const u8 *mdie)
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379{
380 return 0;
381}
382
383static inline int
384wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
385 int ft_action, const u8 *target_ap)
386{
387 return 0;
388}
389
390static inline int wpa_ft_is_completed(struct wpa_sm *sm)
391{
392 return 0;
393}
394
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395static inline void wpa_reset_ft_completed(struct wpa_sm *sm)
396{
397}
398
6fc6879b 399static inline int
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400wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
401 const u8 *src_addr)
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402{
403 return -1;
404}
405
406#endif /* CONFIG_IEEE80211R */
407
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408
409/* tdls.c */
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410void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
411void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
281ff0aa 412int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
3887878e 413void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr);
7de27409 414int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
7a1486cd 415int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr);
281ff0aa 416int wpa_tdls_init(struct wpa_sm *sm);
7b44ff2c 417void wpa_tdls_teardown_peers(struct wpa_sm *sm);
281ff0aa 418void wpa_tdls_deinit(struct wpa_sm *sm);
b8f64582 419void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
947f900f 420void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr);
cea97a04 421const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr);
2d565a61 422int wpa_tdls_is_external_setup(struct wpa_sm *sm);
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423int wpa_tdls_enable_chan_switch(struct wpa_sm *sm, const u8 *addr,
424 u8 oper_class,
425 struct hostapd_freq_params *freq_params);
426int wpa_tdls_disable_chan_switch(struct wpa_sm *sm, const u8 *addr);
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427#ifdef CONFIG_TDLS_TESTING
428extern unsigned int tdls_testing;
429#endif /* CONFIG_TDLS_TESTING */
430
281ff0aa 431
75cad1a0 432int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
651c6a84 433void wpa_sm_set_test_assoc_ie(struct wpa_sm *sm, struct wpabuf *buf);
75cad1a0 434
f00b9b88 435struct wpabuf * fils_build_auth(struct wpa_sm *sm);
a6609937 436int fils_process_auth(struct wpa_sm *sm, const u8 *data, size_t len);
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437struct wpabuf * fils_build_assoc_req(struct wpa_sm *sm, const u8 **kek,
438 size_t *kek_len, const u8 **snonce,
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439 const u8 **anonce,
440 const struct wpabuf **hlp,
441 unsigned int num_hlp);
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442int fils_process_assoc_resp(struct wpa_sm *sm, const u8 *resp, size_t len);
443int wpa_fils_is_completed(struct wpa_sm *sm);
f00b9b88 444
6fc6879b 445#endif /* WPA_H */