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, u32 peer_capab,
58 const u8 *buf, size_t len);
59 int (*tdls_oper)(void *ctx, int oper, const u8 *peer);
60 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid,
61 u16 capability, const u8 *supp_rates,
62 size_t supp_rates_len,
63 const struct ieee80211_ht_capabilities *ht_capab,
64 const struct ieee80211_vht_capabilities *vht_capab,
65 u8 qosinfo, const u8 *ext_capab,
66 size_t ext_capab_len, const u8 *supp_channels,
67 size_t supp_channels_len,
68 const u8 *supp_oper_classes,
69 size_t supp_oper_classes_len);
70 #endif /* CONFIG_TDLS */
71 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck,
72 const u8 *replay_ctr);
73 };
74
75
76 enum wpa_sm_conf_params {
77 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
78 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
79 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
80 WPA_PARAM_PROTO,
81 WPA_PARAM_PAIRWISE,
82 WPA_PARAM_GROUP,
83 WPA_PARAM_KEY_MGMT,
84 WPA_PARAM_MGMT_GROUP,
85 WPA_PARAM_RSN_ENABLED,
86 WPA_PARAM_MFP
87 };
88
89 struct rsn_supp_config {
90 void *network_ctx;
91 int peerkey_enabled;
92 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
93 int proactive_key_caching;
94 int eap_workaround;
95 void *eap_conf_ctx;
96 const u8 *ssid;
97 size_t ssid_len;
98 int wpa_ptk_rekey;
99 int p2p;
100 };
101
102 #ifndef CONFIG_NO_WPA
103
104 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
105 void wpa_sm_deinit(struct wpa_sm *sm);
106 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
107 void wpa_sm_notify_disassoc(struct wpa_sm *sm);
108 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
109 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
110 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
111 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
112 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
113 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
114 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
115 const char *bridge_ifname);
116 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
117 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
118 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
119 size_t *wpa_ie_len);
120 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
121 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
122 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
123
124 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
125 unsigned int value);
126
127 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
128 int verbose);
129 int wpa_sm_pmf_enabled(struct wpa_sm *sm);
130
131 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
132
133 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
134 struct wpa_ie_data *data);
135
136 void wpa_sm_aborted_cached(struct wpa_sm *sm);
137 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
138 const u8 *buf, size_t len);
139 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
140 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
141 void wpa_sm_drop_sa(struct wpa_sm *sm);
142 int wpa_sm_has_ptk(struct wpa_sm *sm);
143
144 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr);
145
146 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx);
147
148 int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf);
149
150 #else /* CONFIG_NO_WPA */
151
wpa_sm_init(struct wpa_sm_ctx * ctx)152 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
153 {
154 return (struct wpa_sm *) 1;
155 }
156
wpa_sm_deinit(struct wpa_sm * sm)157 static inline void wpa_sm_deinit(struct wpa_sm *sm)
158 {
159 }
160
wpa_sm_notify_assoc(struct wpa_sm * sm,const u8 * bssid)161 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
162 {
163 }
164
wpa_sm_notify_disassoc(struct wpa_sm * sm)165 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
166 {
167 }
168
wpa_sm_set_pmk(struct wpa_sm * sm,const u8 * pmk,size_t pmk_len)169 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
170 size_t pmk_len)
171 {
172 }
173
wpa_sm_set_pmk_from_pmksa(struct wpa_sm * sm)174 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
175 {
176 }
177
wpa_sm_set_fast_reauth(struct wpa_sm * sm,int fast_reauth)178 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
179 {
180 }
181
wpa_sm_set_scard_ctx(struct wpa_sm * sm,void * scard_ctx)182 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
183 {
184 }
185
wpa_sm_set_config(struct wpa_sm * sm,struct rsn_supp_config * config)186 static inline void wpa_sm_set_config(struct wpa_sm *sm,
187 struct rsn_supp_config *config)
188 {
189 }
190
wpa_sm_set_own_addr(struct wpa_sm * sm,const u8 * addr)191 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
192 {
193 }
194
wpa_sm_set_ifname(struct wpa_sm * sm,const char * ifname,const char * bridge_ifname)195 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
196 const char *bridge_ifname)
197 {
198 }
199
wpa_sm_set_eapol(struct wpa_sm * sm,struct eapol_sm * eapol)200 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
201 {
202 }
203
wpa_sm_set_assoc_wpa_ie(struct wpa_sm * sm,const u8 * ie,size_t len)204 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
205 size_t len)
206 {
207 return -1;
208 }
209
wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm * sm,u8 * wpa_ie,size_t * wpa_ie_len)210 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
211 u8 *wpa_ie,
212 size_t *wpa_ie_len)
213 {
214 return -1;
215 }
216
wpa_sm_set_ap_wpa_ie(struct wpa_sm * sm,const u8 * ie,size_t len)217 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
218 size_t len)
219 {
220 return -1;
221 }
222
wpa_sm_set_ap_rsn_ie(struct wpa_sm * sm,const u8 * ie,size_t len)223 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
224 size_t len)
225 {
226 return -1;
227 }
228
wpa_sm_get_mib(struct wpa_sm * sm,char * buf,size_t buflen)229 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
230 {
231 return 0;
232 }
233
wpa_sm_set_param(struct wpa_sm * sm,enum wpa_sm_conf_params param,unsigned int value)234 static inline int wpa_sm_set_param(struct wpa_sm *sm,
235 enum wpa_sm_conf_params param,
236 unsigned int value)
237 {
238 return -1;
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_pmf_enabled(struct wpa_sm * sm)247 static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm)
248 {
249 return 0;
250 }
251
wpa_sm_key_request(struct wpa_sm * sm,int error,int pairwise)252 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
253 int pairwise)
254 {
255 }
256
wpa_parse_wpa_ie(const u8 * wpa_ie,size_t wpa_ie_len,struct wpa_ie_data * data)257 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
258 struct wpa_ie_data *data)
259 {
260 return -1;
261 }
262
wpa_sm_aborted_cached(struct wpa_sm * sm)263 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
264 {
265 }
266
wpa_sm_rx_eapol(struct wpa_sm * sm,const u8 * src_addr,const u8 * buf,size_t len)267 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
268 const u8 *buf, size_t len)
269 {
270 return -1;
271 }
272
wpa_sm_parse_own_wpa_ie(struct wpa_sm * sm,struct wpa_ie_data * data)273 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
274 struct wpa_ie_data *data)
275 {
276 return -1;
277 }
278
wpa_sm_pmksa_cache_list(struct wpa_sm * sm,char * buf,size_t len)279 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
280 size_t len)
281 {
282 return -1;
283 }
284
wpa_sm_drop_sa(struct wpa_sm * sm)285 static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
286 {
287 }
288
wpa_sm_has_ptk(struct wpa_sm * sm)289 static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
290 {
291 return 0;
292 }
293
wpa_sm_update_replay_ctr(struct wpa_sm * sm,const u8 * replay_ctr)294 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm,
295 const u8 *replay_ctr)
296 {
297 }
298
wpa_sm_pmksa_cache_flush(struct wpa_sm * sm,void * network_ctx)299 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm,
300 void *network_ctx)
301 {
302 }
303
304 #endif /* CONFIG_NO_WPA */
305
306 #ifdef CONFIG_PEERKEY
307 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
308 int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
309 const u8 *buf, size_t len);
310 #else /* CONFIG_PEERKEY */
wpa_sm_stkstart(struct wpa_sm * sm,const u8 * peer)311 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
312 {
313 return -1;
314 }
315
wpa_sm_rx_eapol_peerkey(struct wpa_sm * sm,const u8 * src_addr,const u8 * buf,size_t len)316 static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr,
317 const u8 *buf, size_t len)
318 {
319 return 0;
320 }
321 #endif /* CONFIG_PEERKEY */
322
323 #ifdef CONFIG_IEEE80211R
324
325 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
326 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
327 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
328 int ft_action, const u8 *target_ap,
329 const u8 *ric_ies, size_t ric_ies_len);
330 int wpa_ft_is_completed(struct wpa_sm *sm);
331 void wpa_reset_ft_completed(struct wpa_sm *sm);
332 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
333 size_t ies_len, const u8 *src_addr);
334 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
335 const u8 *mdie);
336
337 #else /* CONFIG_IEEE80211R */
338
339 static inline int
wpa_sm_set_ft_params(struct wpa_sm * sm,const u8 * ies,size_t ies_len)340 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
341 {
342 return 0;
343 }
344
wpa_ft_prepare_auth_request(struct wpa_sm * sm,const u8 * mdie)345 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
346 const u8 *mdie)
347 {
348 return 0;
349 }
350
351 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)352 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
353 int ft_action, const u8 *target_ap)
354 {
355 return 0;
356 }
357
wpa_ft_is_completed(struct wpa_sm * sm)358 static inline int wpa_ft_is_completed(struct wpa_sm *sm)
359 {
360 return 0;
361 }
362
wpa_reset_ft_completed(struct wpa_sm * sm)363 static inline void wpa_reset_ft_completed(struct wpa_sm *sm)
364 {
365 }
366
367 static inline int
wpa_ft_validate_reassoc_resp(struct wpa_sm * sm,const u8 * ies,size_t ies_len,const u8 * src_addr)368 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
369 const u8 *src_addr)
370 {
371 return -1;
372 }
373
374 #endif /* CONFIG_IEEE80211R */
375
376
377 /* tdls.c */
378 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
379 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
380 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
381 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr);
382 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
383 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr);
384 int wpa_tdls_init(struct wpa_sm *sm);
385 void wpa_tdls_teardown_peers(struct wpa_sm *sm);
386 void wpa_tdls_deinit(struct wpa_sm *sm);
387 void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
388 void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr);
389 const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr);
390 int wpa_tdls_is_external_setup(struct wpa_sm *sm);
391
392 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
393
394 #endif /* WPA_H */
395