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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
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18#include "common/defs.h"
19#include "common/eapol_common.h"
20#include "common/wpa_common.h"
6fc6879b 21
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22struct wpa_sm;
23struct eapol_sm;
24struct wpa_config_blob;
25
26struct 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
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30 void (*set_state)(void *ctx, enum wpa_states state);
31 enum wpa_states (*get_state)(void *ctx);
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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,
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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);
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58};
59
60
61enum 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,
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70 WPA_PARAM_RSN_ENABLED,
71 WPA_PARAM_MFP
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72};
73
74struct 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;
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84};
85
86#ifndef CONFIG_NO_WPA
87
88struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
89void wpa_sm_deinit(struct wpa_sm *sm);
90void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
91void wpa_sm_notify_disassoc(struct wpa_sm *sm);
92void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
93void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
94void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
95void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
96void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
97void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
98void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
99 const char *bridge_ifname);
100void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
101int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
102int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
103 size_t *wpa_ie_len);
104int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
105int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
106int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
107
108int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
109 unsigned int value);
110unsigned int wpa_sm_get_param(struct wpa_sm *sm,
111 enum wpa_sm_conf_params param);
112
113int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
114 int verbose);
115
116void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
117
118int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
119 struct wpa_ie_data *data);
120
121void wpa_sm_aborted_cached(struct wpa_sm *sm);
122int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
123 const u8 *buf, size_t len);
124int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
540264a7 125int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
32d5295f 126void wpa_sm_drop_sa(struct wpa_sm *sm);
0d7b4409 127int wpa_sm_has_ptk(struct wpa_sm *sm);
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128
129#else /* CONFIG_NO_WPA */
130
131static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
132{
133 return (struct wpa_sm *) 1;
134}
135
136static inline void wpa_sm_deinit(struct wpa_sm *sm)
137{
138}
139
140static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
141{
142}
143
144static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
145{
146}
147
148static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
149 size_t pmk_len)
150{
151}
152
153static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
154{
155}
156
157static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
158{
159}
160
161static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
162{
163}
164
165static inline void wpa_sm_set_config(struct wpa_sm *sm,
166 struct rsn_supp_config *config)
167{
168}
169
170static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
171{
172}
173
174static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
175 const char *bridge_ifname)
176{
177}
178
179static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
180{
181}
182
183static 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
189static 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
196static 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
202static 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
208static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
209{
210 return 0;
211}
212
213static 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
220static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
221 enum wpa_sm_conf_params param)
222{
223 return 0;
224}
225
226static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
227 size_t buflen, int verbose)
228{
229 return 0;
230}
231
232static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
233 int pairwise)
234{
235}
236
237static 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
243static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
244{
245}
246
247static 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
253static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
254 struct wpa_ie_data *data)
255{
256 return -1;
257}
258
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259static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
260 size_t len)
261{
262 return -1;
263}
264
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265static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
266{
267}
268
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269#endif /* CONFIG_NO_WPA */
270
271#ifdef CONFIG_PEERKEY
272int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
273#else /* CONFIG_PEERKEY */
274static 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 282int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
76b7981d 283int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
6fc6879b 284int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
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285 int ft_action, const u8 *target_ap,
286 const u8 *ric_ies, size_t ric_ies_len);
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287int wpa_ft_is_completed(struct wpa_sm *sm);
288int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
658d1662 289 size_t ies_len, const u8 *src_addr);
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290int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
291 const u8 *mdie);
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292
293#else /* CONFIG_IEEE80211R */
294
295static inline int
296wpa_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
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302static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
303 const u8 *mdie)
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304{
305 return 0;
306}
307
308static inline int
309wpa_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
315static inline int wpa_ft_is_completed(struct wpa_sm *sm)
316{
317 return 0;
318}
319
320static inline int
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321wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
322 const u8 *src_addr)
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323{
324 return -1;
325}
326
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327static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
328{
329 return 0;
330}
331
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332#endif /* CONFIG_IEEE80211R */
333
334#endif /* WPA_H */