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Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * wpa_supplicant - WPA definitions
3 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
4 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007 */
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"
Dmitry Shmidtf8623282013-02-20 14:34:59 -080015#include "common/ieee802_11_defs.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070016
17struct wpa_sm;
18struct eapol_sm;
19struct wpa_config_blob;
20
21struct 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);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070028 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
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080053 int (*tdls_get_capa)(void *ctx, int *tdls_supported,
54 int *tdls_ext_setup);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070055 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);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080059 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add,
60 u16 capability, const u8 *supp_rates,
Dmitry Shmidtf8623282013-02-20 14:34:59 -080061 size_t supp_rates_len,
62 const struct ieee80211_ht_capabilities *ht_capab,
63 u8 qosinfo, const u8 *ext_capab,
64 size_t ext_capab_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070065#endif /* CONFIG_TDLS */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080066 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck,
67 const u8 *replay_ctr);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070068};
69
70
71enum wpa_sm_conf_params {
72 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
73 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
74 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
75 WPA_PARAM_PROTO,
76 WPA_PARAM_PAIRWISE,
77 WPA_PARAM_GROUP,
78 WPA_PARAM_KEY_MGMT,
79 WPA_PARAM_MGMT_GROUP,
80 WPA_PARAM_RSN_ENABLED,
81 WPA_PARAM_MFP
82};
83
84struct rsn_supp_config {
85 void *network_ctx;
86 int peerkey_enabled;
87 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
88 int proactive_key_caching;
89 int eap_workaround;
90 void *eap_conf_ctx;
91 const u8 *ssid;
92 size_t ssid_len;
93 int wpa_ptk_rekey;
94};
95
96#ifndef CONFIG_NO_WPA
97
98struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
99void wpa_sm_deinit(struct wpa_sm *sm);
100void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
101void wpa_sm_notify_disassoc(struct wpa_sm *sm);
102void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
103void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
104void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
105void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
106void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
107void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
108void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
109 const char *bridge_ifname);
110void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
111int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
112int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
113 size_t *wpa_ie_len);
114int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
115int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
116int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
117
118int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
119 unsigned int value);
120unsigned int wpa_sm_get_param(struct wpa_sm *sm,
121 enum wpa_sm_conf_params param);
122
123int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
124 int verbose);
125
126void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
127
128int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
129 struct wpa_ie_data *data);
130
131void wpa_sm_aborted_cached(struct wpa_sm *sm);
132int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
133 const u8 *buf, size_t len);
134int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
135int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
136void wpa_sm_drop_sa(struct wpa_sm *sm);
137int wpa_sm_has_ptk(struct wpa_sm *sm);
138
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800139void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr);
140
141void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx);
142
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700143#else /* CONFIG_NO_WPA */
144
145static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
146{
147 return (struct wpa_sm *) 1;
148}
149
150static inline void wpa_sm_deinit(struct wpa_sm *sm)
151{
152}
153
154static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
155{
156}
157
158static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
159{
160}
161
162static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
163 size_t pmk_len)
164{
165}
166
167static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
168{
169}
170
171static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
172{
173}
174
175static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
176{
177}
178
179static inline void wpa_sm_set_config(struct wpa_sm *sm,
180 struct rsn_supp_config *config)
181{
182}
183
184static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
185{
186}
187
188static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
189 const char *bridge_ifname)
190{
191}
192
193static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
194{
195}
196
197static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
198 size_t len)
199{
200 return -1;
201}
202
203static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
204 u8 *wpa_ie,
205 size_t *wpa_ie_len)
206{
207 return -1;
208}
209
210static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
211 size_t len)
212{
213 return -1;
214}
215
216static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
217 size_t len)
218{
219 return -1;
220}
221
222static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
223{
224 return 0;
225}
226
227static inline int wpa_sm_set_param(struct wpa_sm *sm,
228 enum wpa_sm_conf_params param,
229 unsigned int value)
230{
231 return -1;
232}
233
234static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
235 enum wpa_sm_conf_params param)
236{
237 return 0;
238}
239
240static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
241 size_t buflen, int verbose)
242{
243 return 0;
244}
245
246static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
247 int pairwise)
248{
249}
250
251static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
252 struct wpa_ie_data *data)
253{
254 return -1;
255}
256
257static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
258{
259}
260
261static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
262 const u8 *buf, size_t len)
263{
264 return -1;
265}
266
267static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
268 struct wpa_ie_data *data)
269{
270 return -1;
271}
272
273static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
274 size_t len)
275{
276 return -1;
277}
278
279static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
280{
281}
282
283static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
284{
285 return 0;
286}
287
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800288static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm,
289 const u8 *replay_ctr)
290{
291}
292
293static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm,
294 void *network_ctx)
295{
296}
297
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700298#endif /* CONFIG_NO_WPA */
299
300#ifdef CONFIG_PEERKEY
301int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
302#else /* CONFIG_PEERKEY */
303static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
304{
305 return -1;
306}
307#endif /* CONFIG_PEERKEY */
308
309#ifdef CONFIG_IEEE80211R
310
311int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
312int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
313int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
314 int ft_action, const u8 *target_ap,
315 const u8 *ric_ies, size_t ric_ies_len);
316int wpa_ft_is_completed(struct wpa_sm *sm);
317int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
318 size_t ies_len, const u8 *src_addr);
319int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
320 const u8 *mdie);
321
322#else /* CONFIG_IEEE80211R */
323
324static inline int
325wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
326{
327 return 0;
328}
329
330static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
331 const u8 *mdie)
332{
333 return 0;
334}
335
336static inline int
337wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
338 int ft_action, const u8 *target_ap)
339{
340 return 0;
341}
342
343static inline int wpa_ft_is_completed(struct wpa_sm *sm)
344{
345 return 0;
346}
347
348static inline int
349wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
350 const u8 *src_addr)
351{
352 return -1;
353}
354
355#endif /* CONFIG_IEEE80211R */
356
357
358/* tdls.c */
359void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
360void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len);
361int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr);
Dmitry Shmidt4b9d52f2013-02-05 17:44:43 -0800362void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800363int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
364int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code);
365int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700366int wpa_tdls_init(struct wpa_sm *sm);
Dmitry Shmidtf8623282013-02-20 14:34:59 -0800367void wpa_tdls_teardown_peers(struct wpa_sm *sm);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700368void wpa_tdls_deinit(struct wpa_sm *sm);
369void wpa_tdls_enable(struct wpa_sm *sm, int enabled);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800370void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr);
371int wpa_tdls_is_external_setup(struct wpa_sm *sm);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700372
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700373int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700374
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700375#endif /* WPA_H */