1 /*
2 * wpa_supplicant - WPA definitions
3 * Copyright (c) 2003-2007, 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 WPA_H
10 #define WPA_H
11
12 #include "common/defs.h"
13 #include "common/eapol_common.h"
14 #include "common/wpa_common.h"
15 #include "common/ieee802_11_defs.h"
16
17 struct wpa_sm;
18 struct eapol_sm;
19 struct wpa_config_blob;
20
21 struct wpa_sm_ctx {
22 void *ctx; /* pointer to arbitrary upper level context */
23 void *msg_ctx; /* upper level context for wpa_msg() calls */
24
25 void (*set_state)(void *ctx, enum wpa_states state);
26 enum wpa_states (*get_state)(void *ctx);
27 void (*deauthenticate)(void * ctx, int reason_code);
28 int (*set_key)(void *ctx, enum wpa_alg alg,
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);
51 int (*mark_authenticated)(void *ctx, const u8 *target_ap);
52 #ifdef CONFIG_TDLS
53 int (*tdls_get_capa)(void *ctx, int *tdls_supported,
54 int *tdls_ext_setup);
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);
59 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid,
60 u16 capability, const u8 *supp_rates,
61 size_t supp_rates_len,
62 const struct ieee80211_ht_capabilities *ht_capab,
63 const struct ieee80211_vht_capabilities *vht_capab,
64 u8 qosinfo, const u8 *ext_capab,
65 size_t ext_capab_len);
66 #endif /* CONFIG_TDLS */
67 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck,
68 const u8 *replay_ctr);
69 };
70
71
72 enum wpa_sm_conf_params {
73 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
74 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
75 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
76 WPA_PARAM_PROTO,
77 WPA_PARAM_PAIRWISE,
78 WPA_PARAM_GROUP,
79 WPA_PARAM_KEY_MGMT,
80 WPA_PARAM_MGMT_GROUP,
81 WPA_PARAM_RSN_ENABLED,
82 WPA_PARAM_MFP
83 };
84
85 struct rsn_supp_config {
86 void *network_ctx;
87 int peerkey_enabled;
88 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
89 int proactive_key_caching;
90 int eap_workaround;
91 void *eap_conf_ctx;
92 const u8 *ssid;
93 size_t ssid_len;
94 int wpa_ptk_rekey;
95 };
96
97 #ifndef CONFIG_NO_WPA
98
99 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
100 void wpa_sm_deinit(struct wpa_sm *sm);
101 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
102 void wpa_sm_notify_disassoc(struct wpa_sm *sm);
103 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
104 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
105 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
106 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
107 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
108 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
109 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
110 const char *bridge_ifname);
111 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
112 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
113 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
114 size_t *wpa_ie_len);
115 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
116 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
117 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
118
119 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
120 unsigned int value);
121 unsigned int wpa_sm_get_param(struct wpa_sm *sm,
122 enum wpa_sm_conf_params param);
123
124 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
125 int verbose);
126 int wpa_sm_pmf_enabled(struct wpa_sm *sm);
127
128 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
129
130 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
131 struct wpa_ie_data *data);
132
133 void wpa_sm_aborted_cached(struct wpa_sm *sm);
134 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
135 const u8 *buf, size_t len);
136 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
137 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
138 void wpa_sm_drop_sa(struct wpa_sm *sm);
139 int wpa_sm_has_ptk(struct wpa_sm *sm);
140
141 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr);
142
143 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx);
144
145 #else /* CONFIG_NO_WPA */
146
wpa_sm_init(struct wpa_sm_ctx * ctx)147 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
148 {
149 return (struct wpa_sm *) 1;
150 }
151
wpa_sm_deinit(struct wpa_sm * sm)152 static inline void wpa_sm_deinit(struct wpa_sm *sm)
153 {
154 }
155
wpa_sm_notify_assoc(struct wpa_sm * sm,const u8 * bssid)156 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
157 {
158 }
159
wpa_sm_notify_disassoc(struct wpa_sm * sm)160 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
161 {
162 }
163
wpa_sm_set_pmk(struct wpa_sm * sm,const u8 * pmk,size_t pmk_len)164 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
165 size_t pmk_len)
166 {
167 }
168
wpa_sm_set_pmk_from_pmksa(struct wpa_sm * sm)169 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
170 {
171 }
172
wpa_sm_set_fast_reauth(struct wpa_sm * sm,int fast_reauth)173 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
174 {
175 }
176
wpa_sm_set_scard_ctx(struct wpa_sm * sm,void * scard_ctx)177 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
178 {
179 }
180
wpa_sm_set_config(struct wpa_sm * sm,struct rsn_supp_config * config)181 static inline void wpa_sm_set_config(struct wpa_sm *sm,
182 struct rsn_supp_config *config)
183 {
184 }
185
wpa_sm_set_own_addr(struct wpa_sm * sm,const u8 * addr)186 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
187 {
188 }
189
wpa_sm_set_ifname(struct wpa_sm * sm,const char * ifname,const char * bridge_ifname)190 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
191 const char *bridge_ifname)
192 {
193 }
194
wpa_sm_set_eapol(struct wpa_sm * sm,struct eapol_sm * eapol)195 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
196 {
197 }
198
wpa_sm_set_assoc_wpa_ie(struct wpa_sm * sm,const u8 * ie,size_t len)199 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
200 size_t len)
201 {
202 return -1;
203 }
204
wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm * sm,u8 * wpa_ie,size_t * wpa_ie_len)205 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
206 u8 *wpa_ie,
207 size_t *wpa_ie_len)
208 {
209 return -1;
210 }
211
wpa_sm_set_ap_wpa_ie(struct wpa_sm * sm,const u8 * ie,size_t len)212 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
213 size_t len)
214 {
215 return -1;
216 }
217
wpa_sm_set_ap_rsn_ie(struct wpa_sm * sm,const u8 * ie,size_t len)218 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
219 size_t len)
220 {
221 return -1;
222 }
223
wpa_sm_get_mib(struct wpa_sm * sm,char * buf,size_t buflen)224 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
225 {
226 return 0;
227 }
228
wpa_sm_set_param(struct wpa_sm * sm,enum wpa_sm_conf_params param,unsigned int value)229 static inline int wpa_sm_set_param(struct wpa_sm *sm,
230 enum wpa_sm_conf_params param,
231 unsigned int value)
232 {
233 return -1;
234 }
235
wpa_sm_get_param(struct wpa_sm * sm,enum wpa_sm_conf_params param)236 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
237 enum wpa_sm_conf_params param)
238 {
239 return 0;
240 }
241
wpa_sm_get_status(struct wpa_sm * sm,char * buf,size_t buflen,int verbose)242 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
243 size_t buflen, int verbose)
244 {
245 return 0;
246 }
247
wpa_sm_pmf_enabled(struct wpa_sm * sm)248 static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm)
249 {
250 return 0;
251 }
252
wpa_sm_key_request(struct wpa_sm * sm,int error,int pairwise)253 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
254 int pairwise)
255 {
256 }
257
wpa_parse_wpa_ie(const u8 * wpa_ie,size_t wpa_ie_len,struct wpa_ie_data * data)258 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
259 struct wpa_ie_data *data)
260 {
261 return -1;
262 }
263
wpa_sm_aborted_cached(struct wpa_sm * sm)264 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
265 {
266 }
267
wpa_sm_rx_eapol(struct wpa_sm * sm,const u8 * src_addr,const u8 * buf,size_t len)268 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
269 const u8 *buf, size_t len)
270 {
271 return -1;
272 }
273
wpa_sm_parse_own_wpa_ie(struct wpa_sm * sm,struct wpa_ie_data * data)274 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
275 struct wpa_ie_data *data)
276 {
277 return -1;
278 }
279
wpa_sm_pmksa_cache_list(struct wpa_sm * sm,char * buf,size_t len)280 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
281 size_t len)
282 {
283 return -1;
284 }
285
wpa_sm_drop_sa(struct wpa_sm * sm)286 static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
287 {
288 }
289
wpa_sm_has_ptk(struct wpa_sm * sm)290 static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
291 {
292 return 0;
293 }
294
wpa_sm_update_replay_ctr(struct wpa_sm * sm,const u8 * replay_ctr)295 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm,
296 const u8 *replay_ctr)
297 {
298 }
299
wpa_sm_pmksa_cache_flush(struct wpa_sm * sm,void * network_ctx)300 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm,
301 void *network_ctx)
302 {
303 }
304
305 #endif /* CONFIG_NO_WPA */
306
307 #ifdef CONFIG_PEERKEY
308 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
309 #else /* CONFIG_PEERKEY */
wpa_sm_stkstart(struct wpa_sm * sm,const u8 * peer)310 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
311 {
312 return -1;
313 }
314 #endif /* CONFIG_PEERKEY */
315
316 #ifdef CONFIG_IEEE80211R
317
318 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
319 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
320 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
321 int ft_action, const u8 *target_ap,
322 const u8 *ric_ies, size_t ric_ies_len);
323 int wpa_ft_is_completed(struct wpa_sm *sm);
324 void wpa_reset_ft_completed(struct wpa_sm *sm);
325 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
326 size_t ies_len, const u8 *src_addr);
327 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
328 const u8 *mdie);
329
330 #else /* CONFIG_IEEE80211R */
331
332 static inline int
wpa_sm_set_ft_params(struct wpa_sm * sm,const u8 * ies,size_t ies_len)333 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
334 {
335 return 0;
336 }
337
wpa_ft_prepare_auth_request(struct wpa_sm * sm,const u8 * mdie)338 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
339 const u8 *mdie)
340 {
341 return 0;
342 }
343
344 static inline int
wpa_ft_process_response(struct wpa_sm * sm,const u8 * ies,size_t ies_len,int ft_action,const u8 * target_ap)345 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
346 int ft_action, const u8 *target_ap)
347 {
348 return 0;
349 }
350
wpa_ft_is_completed(struct wpa_sm * sm)351 static inline int wpa_ft_is_completed(struct wpa_sm *sm)
352 {
353 return 0;
354 }
355
wpa_reset_ft_completed(struct wpa_sm * sm)356 static inline void wpa_reset_ft_completed(struct wpa_sm *sm)
357 {
358 }
359
360 static inline int
wpa_ft_validate_reassoc_resp(struct wpa_sm * sm,const u8 * ies,size_t ies_len,const u8 * src_addr)361 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
362 const u8 *src_addr)
363 {
364 return -1;
365 }
366
367 #endif /* CONFIG_IEEE80211R */
368
369
370 /* tdls.c */
371 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
372 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
373 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
374 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr);
375 int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
376 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
377 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr);
378 int wpa_tdls_init(struct wpa_sm *sm);
379 void wpa_tdls_teardown_peers(struct wpa_sm *sm);
380 void wpa_tdls_deinit(struct wpa_sm *sm);
381 void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
382 void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr);
383 int wpa_tdls_is_external_setup(struct wpa_sm *sm);
384
385 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
386
387 #endif /* WPA_H */
388