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