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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 | ||
18 | #include "defs.h" | |
19 | #include "eapol_common.h" | |
20 | #include "wpa_common.h" | |
21 | ||
22 | #ifndef ETH_P_EAPOL | |
23 | #define ETH_P_EAPOL 0x888e | |
24 | #endif | |
25 | ||
26 | #ifndef ETH_P_RSN_PREAUTH | |
27 | #define ETH_P_RSN_PREAUTH 0x88c7 | |
28 | #endif | |
29 | ||
30 | struct wpa_sm; | |
31 | struct eapol_sm; | |
32 | struct wpa_config_blob; | |
33 | ||
34 | struct wpa_sm_ctx { | |
35 | void *ctx; /* pointer to arbitrary upper level context */ | |
36 | ||
37 | void (*set_state)(void *ctx, wpa_states state); | |
38 | wpa_states (*get_state)(void *ctx); | |
39 | void (*req_scan)(void *ctx, int sec, int usec); | |
40 | void (*cancel_scan)(void *ctx); | |
41 | void (*deauthenticate)(void * ctx, int reason_code); | |
42 | void (*disassociate)(void *ctx, int reason_code); | |
43 | int (*set_key)(void *ctx, wpa_alg alg, | |
44 | const u8 *addr, int key_idx, int set_tx, | |
45 | const u8 *seq, size_t seq_len, | |
46 | const u8 *key, size_t key_len); | |
47 | void * (*get_network_ctx)(void *ctx); | |
48 | int (*get_bssid)(void *ctx, u8 *bssid); | |
49 | int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf, | |
50 | size_t len); | |
51 | int (*get_beacon_ie)(void *ctx); | |
52 | void (*cancel_auth_timeout)(void *ctx); | |
53 | u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len, | |
54 | size_t *msg_len, void **data_pos); | |
55 | int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); | |
56 | int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); | |
57 | void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob); | |
58 | const struct wpa_config_blob * (*get_config_blob)(void *ctx, | |
59 | const char *name); | |
60 | int (*mlme_setprotection)(void *ctx, const u8 *addr, | |
61 | int protection_type, int key_type); | |
62 | int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies, | |
63 | size_t ies_len); | |
64 | int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap, | |
65 | const u8 *ies, size_t ies_len); | |
66 | }; | |
67 | ||
68 | ||
69 | enum wpa_sm_conf_params { | |
70 | RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, | |
71 | RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, | |
72 | RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, | |
73 | WPA_PARAM_PROTO, | |
74 | WPA_PARAM_PAIRWISE, | |
75 | WPA_PARAM_GROUP, | |
76 | WPA_PARAM_KEY_MGMT, | |
77 | WPA_PARAM_MGMT_GROUP, | |
78 | WPA_PARAM_RSN_ENABLED | |
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 | }; | |
91 | ||
92 | #ifndef CONFIG_NO_WPA | |
93 | ||
94 | struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); | |
95 | void wpa_sm_deinit(struct wpa_sm *sm); | |
96 | void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); | |
97 | void wpa_sm_notify_disassoc(struct wpa_sm *sm); | |
98 | void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); | |
99 | void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); | |
100 | void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); | |
101 | void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); | |
102 | void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); | |
103 | void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); | |
104 | void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, | |
105 | const char *bridge_ifname); | |
106 | void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); | |
107 | int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); | |
108 | int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, | |
109 | size_t *wpa_ie_len); | |
110 | int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); | |
111 | int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); | |
112 | int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); | |
113 | ||
114 | int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, | |
115 | unsigned int value); | |
116 | unsigned int wpa_sm_get_param(struct wpa_sm *sm, | |
117 | enum wpa_sm_conf_params param); | |
118 | ||
119 | int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, | |
120 | int verbose); | |
121 | ||
122 | void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); | |
123 | ||
124 | int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, | |
125 | struct wpa_ie_data *data); | |
126 | ||
127 | void wpa_sm_aborted_cached(struct wpa_sm *sm); | |
128 | int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, | |
129 | const u8 *buf, size_t len); | |
130 | int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); | |
131 | ||
132 | #else /* CONFIG_NO_WPA */ | |
133 | ||
134 | static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) | |
135 | { | |
136 | return (struct wpa_sm *) 1; | |
137 | } | |
138 | ||
139 | static inline void wpa_sm_deinit(struct wpa_sm *sm) | |
140 | { | |
141 | } | |
142 | ||
143 | static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) | |
144 | { | |
145 | } | |
146 | ||
147 | static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) | |
148 | { | |
149 | } | |
150 | ||
151 | static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, | |
152 | size_t pmk_len) | |
153 | { | |
154 | } | |
155 | ||
156 | static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) | |
157 | { | |
158 | } | |
159 | ||
160 | static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) | |
161 | { | |
162 | } | |
163 | ||
164 | static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) | |
165 | { | |
166 | } | |
167 | ||
168 | static inline void wpa_sm_set_config(struct wpa_sm *sm, | |
169 | struct rsn_supp_config *config) | |
170 | { | |
171 | } | |
172 | ||
173 | static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) | |
174 | { | |
175 | } | |
176 | ||
177 | static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, | |
178 | const char *bridge_ifname) | |
179 | { | |
180 | } | |
181 | ||
182 | static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) | |
183 | { | |
184 | } | |
185 | ||
186 | static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, | |
187 | size_t len) | |
188 | { | |
189 | return -1; | |
190 | } | |
191 | ||
192 | static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, | |
193 | u8 *wpa_ie, | |
194 | size_t *wpa_ie_len) | |
195 | { | |
196 | return -1; | |
197 | } | |
198 | ||
199 | static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, | |
200 | size_t len) | |
201 | { | |
202 | return -1; | |
203 | } | |
204 | ||
205 | static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, | |
206 | size_t len) | |
207 | { | |
208 | return -1; | |
209 | } | |
210 | ||
211 | static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) | |
212 | { | |
213 | return 0; | |
214 | } | |
215 | ||
216 | static inline int wpa_sm_set_param(struct wpa_sm *sm, | |
217 | enum wpa_sm_conf_params param, | |
218 | unsigned int value) | |
219 | { | |
220 | return -1; | |
221 | } | |
222 | ||
223 | static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, | |
224 | enum wpa_sm_conf_params param) | |
225 | { | |
226 | return 0; | |
227 | } | |
228 | ||
229 | static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, | |
230 | size_t buflen, int verbose) | |
231 | { | |
232 | return 0; | |
233 | } | |
234 | ||
235 | static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, | |
236 | int pairwise) | |
237 | { | |
238 | } | |
239 | ||
240 | static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, | |
241 | struct wpa_ie_data *data) | |
242 | { | |
243 | return -1; | |
244 | } | |
245 | ||
246 | static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) | |
247 | { | |
248 | } | |
249 | ||
250 | static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, | |
251 | const u8 *buf, size_t len) | |
252 | { | |
253 | return -1; | |
254 | } | |
255 | ||
256 | static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, | |
257 | struct wpa_ie_data *data) | |
258 | { | |
259 | return -1; | |
260 | } | |
261 | ||
262 | #endif /* CONFIG_NO_WPA */ | |
263 | ||
264 | #ifdef CONFIG_PEERKEY | |
265 | int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); | |
266 | #else /* CONFIG_PEERKEY */ | |
267 | static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) | |
268 | { | |
269 | return -1; | |
270 | } | |
271 | #endif /* CONFIG_PEERKEY */ | |
272 | ||
273 | #ifdef CONFIG_IEEE80211R | |
274 | ||
275 | int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *mobility_domain, | |
276 | const u8 *r0kh_id, size_t r0kh_id_len, | |
277 | const u8 *r1kh_id); | |
278 | int wpa_ft_prepare_auth_request(struct wpa_sm *sm); | |
279 | int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, | |
280 | int ft_action, const u8 *target_ap); | |
281 | int wpa_ft_is_completed(struct wpa_sm *sm); | |
282 | int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, | |
283 | size_t ies_len); | |
284 | int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap); | |
285 | ||
286 | #else /* CONFIG_IEEE80211R */ | |
287 | ||
288 | static inline int | |
289 | wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *mobility_domain, | |
290 | const u8 *r0kh_id, const u8 *r1kh_id) | |
291 | { | |
292 | return 0; | |
293 | } | |
294 | ||
295 | static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm) | |
296 | { | |
297 | return 0; | |
298 | } | |
299 | ||
300 | static inline int | |
301 | wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, | |
302 | int ft_action, const u8 *target_ap) | |
303 | { | |
304 | return 0; | |
305 | } | |
306 | ||
307 | static inline int wpa_ft_is_completed(struct wpa_sm *sm) | |
308 | { | |
309 | return 0; | |
310 | } | |
311 | ||
312 | static inline int | |
313 | wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len) | |
314 | { | |
315 | return -1; | |
316 | } | |
317 | ||
318 | #endif /* CONFIG_IEEE80211R */ | |
319 | ||
320 | #endif /* WPA_H */ |