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6fc6879b JM |
1 | /* |
2 | * wpa_supplicant - WPA definitions | |
3 | * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License version 2 as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * Alternatively, this software may be distributed under the terms of BSD | |
10 | * license. | |
11 | * | |
12 | * See README and COPYING for more details. | |
13 | */ | |
14 | ||
15 | #ifndef WPA_H | |
16 | #define WPA_H | |
17 | ||
90973fb2 JM |
18 | #include "common/defs.h" |
19 | #include "common/eapol_common.h" | |
20 | #include "common/wpa_common.h" | |
6fc6879b | 21 | |
6fc6879b JM |
22 | struct wpa_sm; |
23 | struct eapol_sm; | |
24 | struct wpa_config_blob; | |
25 | ||
26 | struct wpa_sm_ctx { | |
27 | void *ctx; /* pointer to arbitrary upper level context */ | |
0f057fb2 | 28 | void *msg_ctx; /* upper level context for wpa_msg() calls */ |
6fc6879b | 29 | |
71934751 JM |
30 | void (*set_state)(void *ctx, enum wpa_states state); |
31 | enum wpa_states (*get_state)(void *ctx); | |
6fc6879b JM |
32 | void (*deauthenticate)(void * ctx, int reason_code); |
33 | void (*disassociate)(void *ctx, int reason_code); | |
71934751 | 34 | int (*set_key)(void *ctx, enum wpa_alg alg, |
6fc6879b JM |
35 | const u8 *addr, int key_idx, int set_tx, |
36 | const u8 *seq, size_t seq_len, | |
37 | const u8 *key, size_t key_len); | |
38 | void * (*get_network_ctx)(void *ctx); | |
39 | int (*get_bssid)(void *ctx, u8 *bssid); | |
40 | int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf, | |
41 | size_t len); | |
42 | int (*get_beacon_ie)(void *ctx); | |
43 | void (*cancel_auth_timeout)(void *ctx); | |
44 | u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len, | |
45 | size_t *msg_len, void **data_pos); | |
46 | int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); | |
47 | int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); | |
48 | void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob); | |
49 | const struct wpa_config_blob * (*get_config_blob)(void *ctx, | |
50 | const char *name); | |
51 | int (*mlme_setprotection)(void *ctx, const u8 *addr, | |
52 | int protection_type, int key_type); | |
53 | int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies, | |
54 | size_t ies_len); | |
55 | int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap, | |
56 | const u8 *ies, size_t ies_len); | |
2a7e7f4e | 57 | int (*mark_authenticated)(void *ctx, const u8 *target_ap); |
6fc6879b JM |
58 | }; |
59 | ||
60 | ||
61 | enum wpa_sm_conf_params { | |
62 | RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, | |
63 | RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, | |
64 | RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, | |
65 | WPA_PARAM_PROTO, | |
66 | WPA_PARAM_PAIRWISE, | |
67 | WPA_PARAM_GROUP, | |
68 | WPA_PARAM_KEY_MGMT, | |
69 | WPA_PARAM_MGMT_GROUP, | |
e820cf95 JM |
70 | WPA_PARAM_RSN_ENABLED, |
71 | WPA_PARAM_MFP | |
6fc6879b JM |
72 | }; |
73 | ||
74 | struct rsn_supp_config { | |
75 | void *network_ctx; | |
76 | int peerkey_enabled; | |
77 | int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */ | |
78 | int proactive_key_caching; | |
79 | int eap_workaround; | |
80 | void *eap_conf_ctx; | |
81 | const u8 *ssid; | |
82 | size_t ssid_len; | |
581a8cde | 83 | int wpa_ptk_rekey; |
6fc6879b JM |
84 | }; |
85 | ||
86 | #ifndef CONFIG_NO_WPA | |
87 | ||
88 | struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); | |
89 | void wpa_sm_deinit(struct wpa_sm *sm); | |
90 | void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); | |
91 | void wpa_sm_notify_disassoc(struct wpa_sm *sm); | |
92 | void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); | |
93 | void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); | |
94 | void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); | |
95 | void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); | |
96 | void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); | |
97 | void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); | |
98 | void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, | |
99 | const char *bridge_ifname); | |
100 | void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); | |
101 | int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); | |
102 | int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, | |
103 | size_t *wpa_ie_len); | |
104 | int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); | |
105 | int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); | |
106 | int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); | |
107 | ||
108 | int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, | |
109 | unsigned int value); | |
110 | unsigned int wpa_sm_get_param(struct wpa_sm *sm, | |
111 | enum wpa_sm_conf_params param); | |
112 | ||
113 | int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, | |
114 | int verbose); | |
115 | ||
116 | void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); | |
117 | ||
118 | int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, | |
119 | struct wpa_ie_data *data); | |
120 | ||
121 | void wpa_sm_aborted_cached(struct wpa_sm *sm); | |
122 | int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, | |
123 | const u8 *buf, size_t len); | |
124 | int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); | |
540264a7 | 125 | int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); |
32d5295f | 126 | void wpa_sm_drop_sa(struct wpa_sm *sm); |
0d7b4409 | 127 | int wpa_sm_has_ptk(struct wpa_sm *sm); |
6fc6879b JM |
128 | |
129 | #else /* CONFIG_NO_WPA */ | |
130 | ||
131 | static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) | |
132 | { | |
133 | return (struct wpa_sm *) 1; | |
134 | } | |
135 | ||
136 | static inline void wpa_sm_deinit(struct wpa_sm *sm) | |
137 | { | |
138 | } | |
139 | ||
140 | static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) | |
141 | { | |
142 | } | |
143 | ||
144 | static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) | |
145 | { | |
146 | } | |
147 | ||
148 | static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, | |
149 | size_t pmk_len) | |
150 | { | |
151 | } | |
152 | ||
153 | static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) | |
154 | { | |
155 | } | |
156 | ||
157 | static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) | |
158 | { | |
159 | } | |
160 | ||
161 | static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) | |
162 | { | |
163 | } | |
164 | ||
165 | static inline void wpa_sm_set_config(struct wpa_sm *sm, | |
166 | struct rsn_supp_config *config) | |
167 | { | |
168 | } | |
169 | ||
170 | static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) | |
171 | { | |
172 | } | |
173 | ||
174 | static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, | |
175 | const char *bridge_ifname) | |
176 | { | |
177 | } | |
178 | ||
179 | static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) | |
180 | { | |
181 | } | |
182 | ||
183 | static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, | |
184 | size_t len) | |
185 | { | |
186 | return -1; | |
187 | } | |
188 | ||
189 | static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, | |
190 | u8 *wpa_ie, | |
191 | size_t *wpa_ie_len) | |
192 | { | |
193 | return -1; | |
194 | } | |
195 | ||
196 | static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, | |
197 | size_t len) | |
198 | { | |
199 | return -1; | |
200 | } | |
201 | ||
202 | static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, | |
203 | size_t len) | |
204 | { | |
205 | return -1; | |
206 | } | |
207 | ||
208 | static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) | |
209 | { | |
210 | return 0; | |
211 | } | |
212 | ||
213 | static inline int wpa_sm_set_param(struct wpa_sm *sm, | |
214 | enum wpa_sm_conf_params param, | |
215 | unsigned int value) | |
216 | { | |
217 | return -1; | |
218 | } | |
219 | ||
220 | static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, | |
221 | enum wpa_sm_conf_params param) | |
222 | { | |
223 | return 0; | |
224 | } | |
225 | ||
226 | static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, | |
227 | size_t buflen, int verbose) | |
228 | { | |
229 | return 0; | |
230 | } | |
231 | ||
232 | static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, | |
233 | int pairwise) | |
234 | { | |
235 | } | |
236 | ||
237 | static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, | |
238 | struct wpa_ie_data *data) | |
239 | { | |
240 | return -1; | |
241 | } | |
242 | ||
243 | static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) | |
244 | { | |
245 | } | |
246 | ||
247 | static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, | |
248 | const u8 *buf, size_t len) | |
249 | { | |
250 | return -1; | |
251 | } | |
252 | ||
253 | static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, | |
254 | struct wpa_ie_data *data) | |
255 | { | |
256 | return -1; | |
257 | } | |
258 | ||
540264a7 JM |
259 | static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, |
260 | size_t len) | |
261 | { | |
262 | return -1; | |
263 | } | |
264 | ||
32d5295f JM |
265 | static inline void wpa_sm_drop_sa(struct wpa_sm *sm) |
266 | { | |
267 | } | |
268 | ||
6fc6879b JM |
269 | #endif /* CONFIG_NO_WPA */ |
270 | ||
271 | #ifdef CONFIG_PEERKEY | |
272 | int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); | |
273 | #else /* CONFIG_PEERKEY */ | |
274 | static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) | |
275 | { | |
276 | return -1; | |
277 | } | |
278 | #endif /* CONFIG_PEERKEY */ | |
279 | ||
280 | #ifdef CONFIG_IEEE80211R | |
281 | ||
e7846b68 | 282 | int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); |
76b7981d | 283 | int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); |
6fc6879b | 284 | int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, |
babfbf15 JM |
285 | int ft_action, const u8 *target_ap, |
286 | const u8 *ric_ies, size_t ric_ies_len); | |
6fc6879b JM |
287 | int wpa_ft_is_completed(struct wpa_sm *sm); |
288 | int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, | |
658d1662 | 289 | size_t ies_len, const u8 *src_addr); |
76b7981d JM |
290 | int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, |
291 | const u8 *mdie); | |
6fc6879b JM |
292 | |
293 | #else /* CONFIG_IEEE80211R */ | |
294 | ||
295 | static inline int | |
296 | wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *mobility_domain, | |
297 | const u8 *r0kh_id, const u8 *r1kh_id) | |
298 | { | |
299 | return 0; | |
300 | } | |
301 | ||
76b7981d JM |
302 | static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, |
303 | const u8 *mdie) | |
6fc6879b JM |
304 | { |
305 | return 0; | |
306 | } | |
307 | ||
308 | static inline int | |
309 | wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, | |
310 | int ft_action, const u8 *target_ap) | |
311 | { | |
312 | return 0; | |
313 | } | |
314 | ||
315 | static inline int wpa_ft_is_completed(struct wpa_sm *sm) | |
316 | { | |
317 | return 0; | |
318 | } | |
319 | ||
320 | static inline int | |
658d1662 JM |
321 | wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, |
322 | const u8 *src_addr) | |
6fc6879b JM |
323 | { |
324 | return -1; | |
325 | } | |
326 | ||
0d7b4409 JM |
327 | static inline int wpa_sm_has_ptk(struct wpa_sm *sm) |
328 | { | |
329 | return 0; | |
330 | } | |
331 | ||
6fc6879b JM |
332 | #endif /* CONFIG_IEEE80211R */ |
333 | ||
334 | #endif /* WPA_H */ |