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1/*
2 * wpa_supplicant - WPA definitions
3 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
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;
20
21struct wpa_sm_ctx {
22 void *ctx; /* pointer to arbitrary upper level context */
0f057fb2 23 void *msg_ctx; /* upper level context for wpa_msg() calls */
6fc6879b 24
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25 void (*set_state)(void *ctx, enum wpa_states state);
26 enum wpa_states (*get_state)(void *ctx);
6fc6879b 27 void (*deauthenticate)(void * ctx, int reason_code);
71934751 28 int (*set_key)(void *ctx, enum wpa_alg alg,
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29 const u8 *addr, int key_idx, int set_tx,
30 const u8 *seq, size_t seq_len,
31 const u8 *key, size_t key_len);
32 void * (*get_network_ctx)(void *ctx);
33 int (*get_bssid)(void *ctx, u8 *bssid);
34 int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf,
35 size_t len);
36 int (*get_beacon_ie)(void *ctx);
37 void (*cancel_auth_timeout)(void *ctx);
38 u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len,
39 size_t *msg_len, void **data_pos);
40 int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
41 int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
42 void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob);
43 const struct wpa_config_blob * (*get_config_blob)(void *ctx,
44 const char *name);
45 int (*mlme_setprotection)(void *ctx, const u8 *addr,
46 int protection_type, int key_type);
47 int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies,
48 size_t ies_len);
49 int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap,
50 const u8 *ies, size_t ies_len);
2a7e7f4e 51 int (*mark_authenticated)(void *ctx, const u8 *target_ap);
281ff0aa 52#ifdef CONFIG_TDLS
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53 int (*tdls_get_capa)(void *ctx, int *tdls_supported,
54 int *tdls_ext_setup);
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55 int (*send_tdls_mgmt)(void *ctx, const u8 *dst,
56 u8 action_code, u8 dialog_token,
57 u16 status_code, const u8 *buf, size_t len);
58 int (*tdls_oper)(void *ctx, int oper, const u8 *peer);
78533699 59 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid,
45b722f1 60 u16 capability, const u8 *supp_rates,
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61 size_t supp_rates_len,
62 const struct ieee80211_ht_capabilities *ht_capab,
f8361e3d 63 const struct ieee80211_vht_capabilities *vht_capab,
d16531c4 64 u8 qosinfo, const u8 *ext_capab,
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65 size_t ext_capab_len, const u8 *supp_channels,
66 size_t supp_channels_len,
67 const u8 *supp_oper_classes,
68 size_t supp_oper_classes_len);
281ff0aa 69#endif /* CONFIG_TDLS */
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70 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck,
71 const u8 *replay_ctr);
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72};
73
74
75enum wpa_sm_conf_params {
76 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
77 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
78 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
79 WPA_PARAM_PROTO,
80 WPA_PARAM_PAIRWISE,
81 WPA_PARAM_GROUP,
82 WPA_PARAM_KEY_MGMT,
83 WPA_PARAM_MGMT_GROUP,
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84 WPA_PARAM_RSN_ENABLED,
85 WPA_PARAM_MFP
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86};
87
88struct rsn_supp_config {
89 void *network_ctx;
90 int peerkey_enabled;
91 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
92 int proactive_key_caching;
93 int eap_workaround;
94 void *eap_conf_ctx;
95 const u8 *ssid;
96 size_t ssid_len;
581a8cde 97 int wpa_ptk_rekey;
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98};
99
100#ifndef CONFIG_NO_WPA
101
102struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
103void wpa_sm_deinit(struct wpa_sm *sm);
104void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
105void wpa_sm_notify_disassoc(struct wpa_sm *sm);
106void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
107void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
108void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
109void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
110void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
111void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
112void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
113 const char *bridge_ifname);
114void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
115int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
116int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
117 size_t *wpa_ie_len);
118int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
119int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
120int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
121
122int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
123 unsigned int value);
124unsigned int wpa_sm_get_param(struct wpa_sm *sm,
125 enum wpa_sm_conf_params param);
126
127int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
128 int verbose);
ae8535b6 129int wpa_sm_pmf_enabled(struct wpa_sm *sm);
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130
131void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
132
133int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
134 struct wpa_ie_data *data);
135
136void wpa_sm_aborted_cached(struct wpa_sm *sm);
137int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
138 const u8 *buf, size_t len);
139int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
540264a7 140int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
32d5295f 141void wpa_sm_drop_sa(struct wpa_sm *sm);
0d7b4409 142int wpa_sm_has_ptk(struct wpa_sm *sm);
6fc6879b 143
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144void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr);
145
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146void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx);
147
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148#else /* CONFIG_NO_WPA */
149
150static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
151{
152 return (struct wpa_sm *) 1;
153}
154
155static inline void wpa_sm_deinit(struct wpa_sm *sm)
156{
157}
158
159static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
160{
161}
162
163static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
164{
165}
166
167static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
168 size_t pmk_len)
169{
170}
171
172static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
173{
174}
175
176static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
177{
178}
179
180static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
181{
182}
183
184static inline void wpa_sm_set_config(struct wpa_sm *sm,
185 struct rsn_supp_config *config)
186{
187}
188
189static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
190{
191}
192
193static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
194 const char *bridge_ifname)
195{
196}
197
198static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
199{
200}
201
202static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
203 size_t len)
204{
205 return -1;
206}
207
208static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
209 u8 *wpa_ie,
210 size_t *wpa_ie_len)
211{
212 return -1;
213}
214
215static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
216 size_t len)
217{
218 return -1;
219}
220
221static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
222 size_t len)
223{
224 return -1;
225}
226
227static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
228{
229 return 0;
230}
231
232static inline int wpa_sm_set_param(struct wpa_sm *sm,
233 enum wpa_sm_conf_params param,
234 unsigned int value)
235{
236 return -1;
237}
238
239static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
240 enum wpa_sm_conf_params param)
241{
242 return 0;
243}
244
245static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
246 size_t buflen, int verbose)
247{
248 return 0;
249}
250
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251static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm)
252{
253 return 0;
254}
255
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256static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
257 int pairwise)
258{
259}
260
261static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
262 struct wpa_ie_data *data)
263{
264 return -1;
265}
266
267static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
268{
269}
270
271static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
272 const u8 *buf, size_t len)
273{
274 return -1;
275}
276
277static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
278 struct wpa_ie_data *data)
279{
280 return -1;
281}
282
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283static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
284 size_t len)
285{
286 return -1;
287}
288
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289static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
290{
291}
292
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293static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
294{
295 return 0;
296}
297
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298static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm,
299 const u8 *replay_ctr)
300{
301}
302
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303static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm,
304 void *network_ctx)
305{
306}
307
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308#endif /* CONFIG_NO_WPA */
309
310#ifdef CONFIG_PEERKEY
311int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
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312int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
313 const u8 *buf, size_t len);
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314#else /* CONFIG_PEERKEY */
315static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
316{
317 return -1;
318}
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319
320static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
321 const u8 *buf, size_t len)
322{
323 return 0;
324}
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325#endif /* CONFIG_PEERKEY */
326
327#ifdef CONFIG_IEEE80211R
328
e7846b68 329int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
76b7981d 330int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
6fc6879b 331int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
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332 int ft_action, const u8 *target_ap,
333 const u8 *ric_ies, size_t ric_ies_len);
6fc6879b 334int wpa_ft_is_completed(struct wpa_sm *sm);
02db75b6 335void wpa_reset_ft_completed(struct wpa_sm *sm);
6fc6879b 336int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
658d1662 337 size_t ies_len, const u8 *src_addr);
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338int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
339 const u8 *mdie);
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340
341#else /* CONFIG_IEEE80211R */
342
343static inline int
087f0254 344wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
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345{
346 return 0;
347}
348
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349static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
350 const u8 *mdie)
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351{
352 return 0;
353}
354
355static inline int
356wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
357 int ft_action, const u8 *target_ap)
358{
359 return 0;
360}
361
362static inline int wpa_ft_is_completed(struct wpa_sm *sm)
363{
364 return 0;
365}
366
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367static inline void wpa_reset_ft_completed(struct wpa_sm *sm)
368{
369}
370
6fc6879b 371static inline int
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372wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
373 const u8 *src_addr)
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374{
375 return -1;
376}
377
378#endif /* CONFIG_IEEE80211R */
379
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380
381/* tdls.c */
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382void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
383void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
281ff0aa 384int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
3887878e 385void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr);
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386int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
387int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
7a1486cd 388int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr);
281ff0aa 389int wpa_tdls_init(struct wpa_sm *sm);
7b44ff2c 390void wpa_tdls_teardown_peers(struct wpa_sm *sm);
281ff0aa 391void wpa_tdls_deinit(struct wpa_sm *sm);
b8f64582 392void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
8f15f711 393void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr);
cea97a04 394const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr);
2d565a61 395int wpa_tdls_is_external_setup(struct wpa_sm *sm);
281ff0aa 396
75cad1a0 397int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
75cad1a0 398
6fc6879b 399#endif /* WPA_H */