1 /*
2 * wpa_supplicant - WPA definitions
3 * Copyright (c) 2003-2015, 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 struct hostapd_freq_params;
21
22 struct wpa_sm_ctx {
23 void *ctx; /* pointer to arbitrary upper level context */
24 void *msg_ctx; /* upper level context for wpa_msg() calls */
25
26 void (*set_state)(void *ctx, enum wpa_states state);
27 enum wpa_states (*get_state)(void *ctx);
28 void (*deauthenticate)(void * ctx, int reason_code);
29 int (*set_key)(void *ctx, enum wpa_alg alg,
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);
41 int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
42 int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
43 void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob);
44 const struct wpa_config_blob * (*get_config_blob)(void *ctx,
45 const char *name);
46 int (*mlme_setprotection)(void *ctx, const u8 *addr,
47 int protection_type, int key_type);
48 int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies,
49 size_t ies_len);
50 int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap,
51 const u8 *ies, size_t ies_len);
52 int (*mark_authenticated)(void *ctx, const u8 *target_ap);
53 #ifdef CONFIG_TDLS
54 int (*tdls_get_capa)(void *ctx, int *tdls_supported,
55 int *tdls_ext_setup, int *tdls_chan_switch);
56 int (*send_tdls_mgmt)(void *ctx, const u8 *dst,
57 u8 action_code, u8 dialog_token,
58 u16 status_code, u32 peer_capab,
59 int initiator, const u8 *buf, size_t len);
60 int (*tdls_oper)(void *ctx, int oper, const u8 *peer);
61 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid,
62 u16 capability, const u8 *supp_rates,
63 size_t supp_rates_len,
64 const struct ieee80211_ht_capabilities *ht_capab,
65 const struct ieee80211_vht_capabilities *vht_capab,
66 u8 qosinfo, int wmm, const u8 *ext_capab,
67 size_t ext_capab_len, const u8 *supp_channels,
68 size_t supp_channels_len,
69 const u8 *supp_oper_classes,
70 size_t supp_oper_classes_len);
71 int (*tdls_enable_channel_switch)(
72 void *ctx, const u8 *addr, u8 oper_class,
73 const struct hostapd_freq_params *params);
74 int (*tdls_disable_channel_switch)(void *ctx, const u8 *addr);
75 #endif /* CONFIG_TDLS */
76 void (*set_rekey_offload)(void *ctx, const u8 *kek, size_t kek_len,
77 const u8 *kck, size_t kck_len,
78 const u8 *replay_ctr);
79 int (*key_mgmt_set_pmk)(void *ctx, const u8 *pmk, size_t pmk_len);
80 };
81
82
83 enum wpa_sm_conf_params {
84 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
85 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
86 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
87 WPA_PARAM_PROTO,
88 WPA_PARAM_PAIRWISE,
89 WPA_PARAM_GROUP,
90 WPA_PARAM_KEY_MGMT,
91 WPA_PARAM_MGMT_GROUP,
92 WPA_PARAM_RSN_ENABLED,
93 WPA_PARAM_MFP
94 };
95
96 struct rsn_supp_config {
97 void *network_ctx;
98 int peerkey_enabled;
99 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
100 int proactive_key_caching;
101 int eap_workaround;
102 void *eap_conf_ctx;
103 const u8 *ssid;
104 size_t ssid_len;
105 int wpa_ptk_rekey;
106 int p2p;
107 };
108
109 #ifndef CONFIG_NO_WPA
110
111 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
112 void wpa_sm_deinit(struct wpa_sm *sm);
113 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
114 void wpa_sm_notify_disassoc(struct wpa_sm *sm);
115 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len,
116 const u8 *bssid);
117 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
118 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
119 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
120 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
121 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
122 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
123 const char *bridge_ifname);
124 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
125 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
126 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
127 size_t *wpa_ie_len);
128 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
129 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
130 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
131
132 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
133 unsigned int value);
134
135 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
136 int verbose);
137 int wpa_sm_pmf_enabled(struct wpa_sm *sm);
138
139 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
140
141 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
142 struct wpa_ie_data *data);
143
144 void wpa_sm_aborted_cached(struct wpa_sm *sm);
145 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
146 const u8 *buf, size_t len);
147 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
148 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
149 void wpa_sm_drop_sa(struct wpa_sm *sm);
150 int wpa_sm_has_ptk(struct wpa_sm *sm);
151
152 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr);
153
154 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx);
155
156 int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf);
157
158 void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, const u8 *rx_replay_counter);
159 void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm,
160 const u8 *ptk_kck, size_t ptk_kck_len,
161 const u8 *ptk_kek, size_t ptk_kek_len);
162
163 #else /* CONFIG_NO_WPA */
164
wpa_sm_init(struct wpa_sm_ctx * ctx)165 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
166 {
167 return (struct wpa_sm *) 1;
168 }
169
wpa_sm_deinit(struct wpa_sm * sm)170 static inline void wpa_sm_deinit(struct wpa_sm *sm)
171 {
172 }
173
wpa_sm_notify_assoc(struct wpa_sm * sm,const u8 * bssid)174 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
175 {
176 }
177
wpa_sm_notify_disassoc(struct wpa_sm * sm)178 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
179 {
180 }
181
wpa_sm_set_pmk(struct wpa_sm * sm,const u8 * pmk,size_t pmk_len)182 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
183 size_t pmk_len)
184 {
185 }
186
wpa_sm_set_pmk_from_pmksa(struct wpa_sm * sm)187 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
188 {
189 }
190
wpa_sm_set_fast_reauth(struct wpa_sm * sm,int fast_reauth)191 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
192 {
193 }
194
wpa_sm_set_scard_ctx(struct wpa_sm * sm,void * scard_ctx)195 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
196 {
197 }
198
wpa_sm_set_config(struct wpa_sm * sm,struct rsn_supp_config * config)199 static inline void wpa_sm_set_config(struct wpa_sm *sm,
200 struct rsn_supp_config *config)
201 {
202 }
203
wpa_sm_set_own_addr(struct wpa_sm * sm,const u8 * addr)204 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
205 {
206 }
207
wpa_sm_set_ifname(struct wpa_sm * sm,const char * ifname,const char * bridge_ifname)208 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
209 const char *bridge_ifname)
210 {
211 }
212
wpa_sm_set_eapol(struct wpa_sm * sm,struct eapol_sm * eapol)213 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
214 {
215 }
216
wpa_sm_set_assoc_wpa_ie(struct wpa_sm * sm,const u8 * ie,size_t len)217 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
218 size_t len)
219 {
220 return -1;
221 }
222
wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm * sm,u8 * wpa_ie,size_t * wpa_ie_len)223 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
224 u8 *wpa_ie,
225 size_t *wpa_ie_len)
226 {
227 return -1;
228 }
229
wpa_sm_set_ap_wpa_ie(struct wpa_sm * sm,const u8 * ie,size_t len)230 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
231 size_t len)
232 {
233 return -1;
234 }
235
wpa_sm_set_ap_rsn_ie(struct wpa_sm * sm,const u8 * ie,size_t len)236 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
237 size_t len)
238 {
239 return -1;
240 }
241
wpa_sm_get_mib(struct wpa_sm * sm,char * buf,size_t buflen)242 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
243 {
244 return 0;
245 }
246
wpa_sm_set_param(struct wpa_sm * sm,enum wpa_sm_conf_params param,unsigned int value)247 static inline int wpa_sm_set_param(struct wpa_sm *sm,
248 enum wpa_sm_conf_params param,
249 unsigned int value)
250 {
251 return -1;
252 }
253
wpa_sm_get_status(struct wpa_sm * sm,char * buf,size_t buflen,int verbose)254 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
255 size_t buflen, int verbose)
256 {
257 return 0;
258 }
259
wpa_sm_pmf_enabled(struct wpa_sm * sm)260 static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm)
261 {
262 return 0;
263 }
264
wpa_sm_key_request(struct wpa_sm * sm,int error,int pairwise)265 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
266 int pairwise)
267 {
268 }
269
wpa_parse_wpa_ie(const u8 * wpa_ie,size_t wpa_ie_len,struct wpa_ie_data * data)270 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
271 struct wpa_ie_data *data)
272 {
273 return -1;
274 }
275
wpa_sm_aborted_cached(struct wpa_sm * sm)276 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
277 {
278 }
279
wpa_sm_rx_eapol(struct wpa_sm * sm,const u8 * src_addr,const u8 * buf,size_t len)280 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
281 const u8 *buf, size_t len)
282 {
283 return -1;
284 }
285
wpa_sm_parse_own_wpa_ie(struct wpa_sm * sm,struct wpa_ie_data * data)286 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
287 struct wpa_ie_data *data)
288 {
289 return -1;
290 }
291
wpa_sm_pmksa_cache_list(struct wpa_sm * sm,char * buf,size_t len)292 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
293 size_t len)
294 {
295 return -1;
296 }
297
wpa_sm_drop_sa(struct wpa_sm * sm)298 static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
299 {
300 }
301
wpa_sm_has_ptk(struct wpa_sm * sm)302 static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
303 {
304 return 0;
305 }
306
wpa_sm_update_replay_ctr(struct wpa_sm * sm,const u8 * replay_ctr)307 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm,
308 const u8 *replay_ctr)
309 {
310 }
311
wpa_sm_pmksa_cache_flush(struct wpa_sm * sm,void * network_ctx)312 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm,
313 void *network_ctx)
314 {
315 }
316
wpa_sm_set_rx_replay_ctr(struct wpa_sm * sm,const u8 * rx_replay_counter)317 static inline void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm,
318 const u8 *rx_replay_counter)
319 {
320 }
321
wpa_sm_set_ptk_kck_kek(struct wpa_sm * sm,const u8 * ptk_kck,const u8 * ptk_kek)322 static inline void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm, const u8 *ptk_kck,
323 const u8 *ptk_kek)
324 {
325 }
326
327 #endif /* CONFIG_NO_WPA */
328
329 #ifdef CONFIG_PEERKEY
330 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
331 int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
332 const u8 *buf, size_t len);
333 #else /* CONFIG_PEERKEY */
wpa_sm_stkstart(struct wpa_sm * sm,const u8 * peer)334 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
335 {
336 return -1;
337 }
338
wpa_sm_rx_eapol_peerkey(struct wpa_sm * sm,const u8 * src_addr,const u8 * buf,size_t len)339 static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
340 const u8 *buf, size_t len)
341 {
342 return 0;
343 }
344 #endif /* CONFIG_PEERKEY */
345
346 #ifdef CONFIG_IEEE80211R
347
348 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
349 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
350 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
351 int ft_action, const u8 *target_ap,
352 const u8 *ric_ies, size_t ric_ies_len);
353 int wpa_ft_is_completed(struct wpa_sm *sm);
354 void wpa_reset_ft_completed(struct wpa_sm *sm);
355 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
356 size_t ies_len, const u8 *src_addr);
357 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
358 const u8 *mdie);
359
360 #else /* CONFIG_IEEE80211R */
361
362 static inline int
wpa_sm_set_ft_params(struct wpa_sm * sm,const u8 * ies,size_t ies_len)363 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
364 {
365 return 0;
366 }
367
wpa_ft_prepare_auth_request(struct wpa_sm * sm,const u8 * mdie)368 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
369 const u8 *mdie)
370 {
371 return 0;
372 }
373
374 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)375 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
376 int ft_action, const u8 *target_ap)
377 {
378 return 0;
379 }
380
wpa_ft_is_completed(struct wpa_sm * sm)381 static inline int wpa_ft_is_completed(struct wpa_sm *sm)
382 {
383 return 0;
384 }
385
wpa_reset_ft_completed(struct wpa_sm * sm)386 static inline void wpa_reset_ft_completed(struct wpa_sm *sm)
387 {
388 }
389
390 static inline int
wpa_ft_validate_reassoc_resp(struct wpa_sm * sm,const u8 * ies,size_t ies_len,const u8 * src_addr)391 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
392 const u8 *src_addr)
393 {
394 return -1;
395 }
396
397 #endif /* CONFIG_IEEE80211R */
398
399
400 /* tdls.c */
401 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
402 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
403 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
404 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr);
405 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
406 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr);
407 int wpa_tdls_init(struct wpa_sm *sm);
408 void wpa_tdls_teardown_peers(struct wpa_sm *sm);
409 void wpa_tdls_deinit(struct wpa_sm *sm);
410 void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
411 void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr);
412 const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr);
413 int wpa_tdls_is_external_setup(struct wpa_sm *sm);
414 int wpa_tdls_enable_chan_switch(struct wpa_sm *sm, const u8 *addr,
415 u8 oper_class,
416 struct hostapd_freq_params *freq_params);
417 int wpa_tdls_disable_chan_switch(struct wpa_sm *sm, const u8 *addr);
418
419 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
420
421 #endif /* WPA_H */
422