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,
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
127 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
128
129 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
130 struct wpa_ie_data *data);
131
132 void wpa_sm_aborted_cached(struct wpa_sm *sm);
133 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
134 const u8 *buf, size_t len);
135 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
136 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
137 void wpa_sm_drop_sa(struct wpa_sm *sm);
138 int wpa_sm_has_ptk(struct wpa_sm *sm);
139
140 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr);
141
142 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx);
143
144 #else /* CONFIG_NO_WPA */
145
wpa_sm_init(struct wpa_sm_ctx * ctx)146 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
147 {
148 return (struct wpa_sm *) 1;
149 }
150
wpa_sm_deinit(struct wpa_sm * sm)151 static inline void wpa_sm_deinit(struct wpa_sm *sm)
152 {
153 }
154
wpa_sm_notify_assoc(struct wpa_sm * sm,const u8 * bssid)155 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
156 {
157 }
158
wpa_sm_notify_disassoc(struct wpa_sm * sm)159 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
160 {
161 }
162
wpa_sm_set_pmk(struct wpa_sm * sm,const u8 * pmk,size_t pmk_len)163 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
164 size_t pmk_len)
165 {
166 }
167
wpa_sm_set_pmk_from_pmksa(struct wpa_sm * sm)168 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
169 {
170 }
171
wpa_sm_set_fast_reauth(struct wpa_sm * sm,int fast_reauth)172 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
173 {
174 }
175
wpa_sm_set_scard_ctx(struct wpa_sm * sm,void * scard_ctx)176 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
177 {
178 }
179
wpa_sm_set_config(struct wpa_sm * sm,struct rsn_supp_config * config)180 static inline void wpa_sm_set_config(struct wpa_sm *sm,
181 struct rsn_supp_config *config)
182 {
183 }
184
wpa_sm_set_own_addr(struct wpa_sm * sm,const u8 * addr)185 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
186 {
187 }
188
wpa_sm_set_ifname(struct wpa_sm * sm,const char * ifname,const char * bridge_ifname)189 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
190 const char *bridge_ifname)
191 {
192 }
193
wpa_sm_set_eapol(struct wpa_sm * sm,struct eapol_sm * eapol)194 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
195 {
196 }
197
wpa_sm_set_assoc_wpa_ie(struct wpa_sm * sm,const u8 * ie,size_t len)198 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
199 size_t len)
200 {
201 return -1;
202 }
203
wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm * sm,u8 * wpa_ie,size_t * wpa_ie_len)204 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
205 u8 *wpa_ie,
206 size_t *wpa_ie_len)
207 {
208 return -1;
209 }
210
wpa_sm_set_ap_wpa_ie(struct wpa_sm * sm,const u8 * ie,size_t len)211 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
212 size_t len)
213 {
214 return -1;
215 }
216
wpa_sm_set_ap_rsn_ie(struct wpa_sm * sm,const u8 * ie,size_t len)217 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
218 size_t len)
219 {
220 return -1;
221 }
222
wpa_sm_get_mib(struct wpa_sm * sm,char * buf,size_t buflen)223 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
224 {
225 return 0;
226 }
227
wpa_sm_set_param(struct wpa_sm * sm,enum wpa_sm_conf_params param,unsigned int value)228 static inline int wpa_sm_set_param(struct wpa_sm *sm,
229 enum wpa_sm_conf_params param,
230 unsigned int value)
231 {
232 return -1;
233 }
234
wpa_sm_get_param(struct wpa_sm * sm,enum wpa_sm_conf_params param)235 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
236 enum wpa_sm_conf_params param)
237 {
238 return 0;
239 }
240
wpa_sm_get_status(struct wpa_sm * sm,char * buf,size_t buflen,int verbose)241 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
242 size_t buflen, int verbose)
243 {
244 return 0;
245 }
246
wpa_sm_key_request(struct wpa_sm * sm,int error,int pairwise)247 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
248 int pairwise)
249 {
250 }
251
wpa_parse_wpa_ie(const u8 * wpa_ie,size_t wpa_ie_len,struct wpa_ie_data * data)252 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
253 struct wpa_ie_data *data)
254 {
255 return -1;
256 }
257
wpa_sm_aborted_cached(struct wpa_sm * sm)258 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
259 {
260 }
261
wpa_sm_rx_eapol(struct wpa_sm * sm,const u8 * src_addr,const u8 * buf,size_t len)262 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
263 const u8 *buf, size_t len)
264 {
265 return -1;
266 }
267
wpa_sm_parse_own_wpa_ie(struct wpa_sm * sm,struct wpa_ie_data * data)268 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
269 struct wpa_ie_data *data)
270 {
271 return -1;
272 }
273
wpa_sm_pmksa_cache_list(struct wpa_sm * sm,char * buf,size_t len)274 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
275 size_t len)
276 {
277 return -1;
278 }
279
wpa_sm_drop_sa(struct wpa_sm * sm)280 static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
281 {
282 }
283
wpa_sm_has_ptk(struct wpa_sm * sm)284 static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
285 {
286 return 0;
287 }
288
wpa_sm_update_replay_ctr(struct wpa_sm * sm,const u8 * replay_ctr)289 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm,
290 const u8 *replay_ctr)
291 {
292 }
293
wpa_sm_pmksa_cache_flush(struct wpa_sm * sm,void * network_ctx)294 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm,
295 void *network_ctx)
296 {
297 }
298
299 #endif /* CONFIG_NO_WPA */
300
301 #ifdef CONFIG_PEERKEY
302 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
303 #else /* CONFIG_PEERKEY */
wpa_sm_stkstart(struct wpa_sm * sm,const u8 * peer)304 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
305 {
306 return -1;
307 }
308 #endif /* CONFIG_PEERKEY */
309
310 #ifdef CONFIG_IEEE80211R
311
312 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
313 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
314 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
315 int ft_action, const u8 *target_ap,
316 const u8 *ric_ies, size_t ric_ies_len);
317 int wpa_ft_is_completed(struct wpa_sm *sm);
318 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
319 size_t ies_len, const u8 *src_addr);
320 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
321 const u8 *mdie);
322
323 #else /* CONFIG_IEEE80211R */
324
325 static inline int
wpa_sm_set_ft_params(struct wpa_sm * sm,const u8 * ies,size_t ies_len)326 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
327 {
328 return 0;
329 }
330
wpa_ft_prepare_auth_request(struct wpa_sm * sm,const u8 * mdie)331 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
332 const u8 *mdie)
333 {
334 return 0;
335 }
336
337 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)338 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
339 int ft_action, const u8 *target_ap)
340 {
341 return 0;
342 }
343
wpa_ft_is_completed(struct wpa_sm * sm)344 static inline int wpa_ft_is_completed(struct wpa_sm *sm)
345 {
346 return 0;
347 }
348
349 static inline int
wpa_ft_validate_reassoc_resp(struct wpa_sm * sm,const u8 * ies,size_t ies_len,const u8 * src_addr)350 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
351 const u8 *src_addr)
352 {
353 return -1;
354 }
355
356 #endif /* CONFIG_IEEE80211R */
357
358
359 /* tdls.c */
360 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
361 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
362 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
363 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr);
364 int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
365 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
366 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr);
367 int wpa_tdls_init(struct wpa_sm *sm);
368 void wpa_tdls_teardown_peers(struct wpa_sm *sm);
369 void wpa_tdls_deinit(struct wpa_sm *sm);
370 void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
371 void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr);
372 int wpa_tdls_is_external_setup(struct wpa_sm *sm);
373
374 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
375
376 #endif /* WPA_H */
377