2 * hostapd - IEEE 802.11i-2004 / WPA Authenticator
3 * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "common/defs.h"
13 #include "common/eapol_common.h"
14 #include "common/wpa_common.h"
15 #include "common/ieee802_11_defs.h"
17 #define MAX_OWN_IE_OVERRIDE 256
23 /* IEEE Std 802.11r-2008, 11A.10.3 - Remote request/response frame definition
26 u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
27 u8 packet_type; /* FT_PACKET_REQUEST/FT_PACKET_RESPONSE */
28 le16 action_length; /* little endian length of action_frame */
29 u8 ap_address[ETH_ALEN];
31 * Followed by action_length bytes of FT Action frame (from Category
32 * field to the end of Action Frame body.
36 #define RSN_REMOTE_FRAME_TYPE_FT_RRB 1
38 #define FT_PACKET_REQUEST 0
39 #define FT_PACKET_RESPONSE 1
40 /* Vendor-specific types for R0KH-R1KH protocol; not defined in 802.11r */
41 #define FT_PACKET_R0KH_R1KH_PULL 200
42 #define FT_PACKET_R0KH_R1KH_RESP 201
43 #define FT_PACKET_R0KH_R1KH_PUSH 202
45 #define FT_R0KH_R1KH_PULL_NONCE_LEN 16
46 #define FT_R0KH_R1KH_PULL_DATA_LEN (FT_R0KH_R1KH_PULL_NONCE_LEN + \
47 WPA_PMK_NAME_LEN + FT_R1KH_ID_LEN + \
49 #define FT_R0KH_R1KH_PULL_PAD_LEN ((8 - FT_R0KH_R1KH_PULL_DATA_LEN % 8) % 8)
51 struct ft_r0kh_r1kh_pull_frame {
52 u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
53 u8 packet_type; /* FT_PACKET_R0KH_R1KH_PULL */
54 le16 data_length; /* little endian length of data (44) */
55 u8 ap_address[ETH_ALEN];
57 u8 nonce[FT_R0KH_R1KH_PULL_NONCE_LEN];
58 u8 pmk_r0_name[WPA_PMK_NAME_LEN];
59 u8 r1kh_id[FT_R1KH_ID_LEN];
61 u8 pad[FT_R0KH_R1KH_PULL_PAD_LEN]; /* 8-octet boundary for AES block */
65 #define FT_R0KH_R1KH_RESP_DATA_LEN (FT_R0KH_R1KH_PULL_NONCE_LEN + \
66 FT_R1KH_ID_LEN + ETH_ALEN + PMK_LEN + \
68 #define FT_R0KH_R1KH_RESP_PAD_LEN ((8 - FT_R0KH_R1KH_RESP_DATA_LEN % 8) % 8)
69 struct ft_r0kh_r1kh_resp_frame {
70 u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
71 u8 packet_type; /* FT_PACKET_R0KH_R1KH_RESP */
72 le16 data_length; /* little endian length of data (78) */
73 u8 ap_address[ETH_ALEN];
75 u8 nonce[FT_R0KH_R1KH_PULL_NONCE_LEN]; /* copied from pull */
76 u8 r1kh_id[FT_R1KH_ID_LEN]; /* copied from pull */
77 u8 s1kh_id[ETH_ALEN]; /* copied from pull */
79 u8 pmk_r1_name[WPA_PMK_NAME_LEN];
81 u8 pad[FT_R0KH_R1KH_RESP_PAD_LEN]; /* 8-octet boundary for AES block */
85 #define FT_R0KH_R1KH_PUSH_DATA_LEN (4 + FT_R1KH_ID_LEN + ETH_ALEN + \
86 WPA_PMK_NAME_LEN + PMK_LEN + \
88 #define FT_R0KH_R1KH_PUSH_PAD_LEN ((8 - FT_R0KH_R1KH_PUSH_DATA_LEN % 8) % 8)
89 struct ft_r0kh_r1kh_push_frame {
90 u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
91 u8 packet_type; /* FT_PACKET_R0KH_R1KH_PUSH */
92 le16 data_length; /* little endian length of data (82) */
93 u8 ap_address[ETH_ALEN];
95 /* Encrypted with AES key-wrap */
96 u8 timestamp[4]; /* current time in seconds since unix epoch, little
98 u8 r1kh_id[FT_R1KH_ID_LEN];
100 u8 pmk_r0_name[WPA_PMK_NAME_LEN];
102 u8 pmk_r1_name[WPA_PMK_NAME_LEN];
104 u8 pad[FT_R0KH_R1KH_PUSH_PAD_LEN]; /* 8-octet boundary for AES block */
105 u8 key_wrap_extra[8];
110 #endif /* _MSC_VER */
113 /* per STA state machine data */
115 struct wpa_authenticator;
116 struct wpa_state_machine;
117 struct rsn_pmksa_cache_entry;
118 struct eapol_state_machine;
121 struct ft_remote_r0kh {
122 struct ft_remote_r0kh *next;
124 u8 id[FT_R0KH_ID_MAX_LEN];
130 struct ft_remote_r1kh {
131 struct ft_remote_r1kh *next;
133 u8 id[FT_R1KH_ID_LEN];
138 struct wpa_auth_config {
144 int wpa_strict_rekey;
153 int disable_pmksa_caching;
156 #ifdef CONFIG_IEEE80211W
157 enum mfp_options ieee80211w;
158 int group_mgmt_cipher;
159 #endif /* CONFIG_IEEE80211W */
160 #ifdef CONFIG_IEEE80211R
161 u8 ssid[SSID_MAX_LEN];
163 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
164 u8 r0_key_holder[FT_R0KH_ID_MAX_LEN];
165 size_t r0_key_holder_len;
166 u8 r1_key_holder[FT_R1KH_ID_LEN];
168 u32 reassociation_deadline;
169 struct ft_remote_r0kh *r0kh_list;
170 struct ft_remote_r1kh *r1kh_list;
173 #endif /* CONFIG_IEEE80211R */
176 #ifdef CONFIG_TESTING_OPTIONS
177 double corrupt_gtk_rekey_mic_probability;
178 u8 own_ie_override[MAX_OWN_IE_OVERRIDE];
179 size_t own_ie_override_len;
180 #endif /* CONFIG_TESTING_OPTIONS */
186 #endif /* CONFIG_P2P */
190 LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING
194 WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized,
195 WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable,
196 WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx
197 } wpa_eapol_variable;
199 struct wpa_auth_callbacks {
201 void (*logger)(void *ctx, const u8 *addr, logger_level level,
203 void (*disconnect)(void *ctx, const u8 *addr, u16 reason);
204 int (*mic_failure_report)(void *ctx, const u8 *addr);
205 void (*psk_failure_report)(void *ctx, const u8 *addr);
206 void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var,
208 int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var);
209 const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *p2p_dev_addr,
211 int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len);
212 int (*set_key)(void *ctx, int vlan_id, enum wpa_alg alg,
213 const u8 *addr, int idx, u8 *key, size_t key_len);
214 int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq);
215 int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data,
216 size_t data_len, int encrypt);
217 int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm,
218 void *ctx), void *cb_ctx);
219 int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a,
220 void *ctx), void *cb_ctx);
221 int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data,
223 #ifdef CONFIG_IEEE80211R
224 struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr);
225 int (*send_ft_action)(void *ctx, const u8 *dst,
226 const u8 *data, size_t data_len);
227 int (*add_tspec)(void *ctx, const u8 *sta_addr, u8 *tspec_ie,
229 #endif /* CONFIG_IEEE80211R */
231 int (*start_ampe)(void *ctx, const u8 *sta_addr);
232 #endif /* CONFIG_MESH */
235 struct wpa_authenticator * wpa_init(const u8 *addr,
236 struct wpa_auth_config *conf,
237 struct wpa_auth_callbacks *cb);
238 int wpa_init_keys(struct wpa_authenticator *wpa_auth);
239 void wpa_deinit(struct wpa_authenticator *wpa_auth);
240 int wpa_reconfig(struct wpa_authenticator *wpa_auth,
241 struct wpa_auth_config *conf);
244 WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE,
245 WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL,
246 WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER,
247 WPA_INVALID_MDIE, WPA_INVALID_PROTO
250 int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
251 struct wpa_state_machine *sm,
252 const u8 *wpa_ie, size_t wpa_ie_len,
253 const u8 *mdie, size_t mdie_len);
254 int wpa_validate_osen(struct wpa_authenticator *wpa_auth,
255 struct wpa_state_machine *sm,
256 const u8 *osen_ie, size_t osen_ie_len);
257 int wpa_auth_uses_mfp(struct wpa_state_machine *sm);
258 struct wpa_state_machine *
259 wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr,
260 const u8 *p2p_dev_addr);
261 int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth,
262 struct wpa_state_machine *sm);
263 void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm);
264 void wpa_auth_sta_deinit(struct wpa_state_machine *sm);
265 void wpa_receive(struct wpa_authenticator *wpa_auth,
266 struct wpa_state_machine *sm,
267 u8 *data, size_t data_len);
269 WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH,
270 WPA_REAUTH_EAPOL, WPA_ASSOC_FT
272 void wpa_remove_ptk(struct wpa_state_machine *sm);
273 int wpa_auth_sm_event(struct wpa_state_machine *sm, enum wpa_event event);
274 void wpa_auth_sm_notify(struct wpa_state_machine *sm);
275 void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth);
276 int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen);
277 int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen);
278 void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth);
279 int wpa_auth_pairwise_set(struct wpa_state_machine *sm);
280 int wpa_auth_get_pairwise(struct wpa_state_machine *sm);
281 int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm);
282 int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm);
283 int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
284 struct rsn_pmksa_cache_entry *entry);
285 struct rsn_pmksa_cache_entry *
286 wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm);
287 void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm);
288 const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth,
290 int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk,
291 unsigned int pmk_len,
292 int session_timeout, struct eapol_state_machine *eapol);
293 int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth,
294 const u8 *pmk, size_t len, const u8 *sta_addr,
296 struct eapol_state_machine *eapol);
297 int wpa_auth_pmksa_add_sae(struct wpa_authenticator *wpa_auth, const u8 *addr,
298 const u8 *pmk, const u8 *pmkid);
299 void wpa_auth_pmksa_remove(struct wpa_authenticator *wpa_auth,
301 int wpa_auth_pmksa_list(struct wpa_authenticator *wpa_auth, char *buf,
303 void wpa_auth_pmksa_flush(struct wpa_authenticator *wpa_auth);
304 struct rsn_pmksa_cache_entry *
305 wpa_auth_pmksa_get(struct wpa_authenticator *wpa_auth, const u8 *sta_addr);
306 void wpa_auth_pmksa_set_to_sm(struct rsn_pmksa_cache_entry *pmksa,
307 struct wpa_state_machine *sm,
308 struct wpa_authenticator *wpa_auth,
310 int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id);
311 void wpa_auth_eapol_key_tx_status(struct wpa_authenticator *wpa_auth,
312 struct wpa_state_machine *sm, int ack);
314 #ifdef CONFIG_IEEE80211R
315 u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos,
316 size_t max_len, int auth_alg,
317 const u8 *req_ies, size_t req_ies_len);
318 void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid,
319 u16 auth_transaction, const u8 *ies, size_t ies_len,
320 void (*cb)(void *ctx, const u8 *dst, const u8 *bssid,
321 u16 auth_transaction, u16 resp,
322 const u8 *ies, size_t ies_len),
324 u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies,
326 int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len);
327 int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
328 const u8 *data, size_t data_len);
329 void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr);
330 #endif /* CONFIG_IEEE80211R */
332 void wpa_wnmsleep_rekey_gtk(struct wpa_state_machine *sm);
333 void wpa_set_wnmsleep(struct wpa_state_machine *sm, int flag);
334 int wpa_wnmsleep_gtk_subelem(struct wpa_state_machine *sm, u8 *pos);
335 int wpa_wnmsleep_igtk_subelem(struct wpa_state_machine *sm, u8 *pos);
337 int wpa_auth_uses_sae(struct wpa_state_machine *sm);
338 int wpa_auth_uses_ft_sae(struct wpa_state_machine *sm);
340 int wpa_auth_get_ip_addr(struct wpa_state_machine *sm, u8 *addr);
342 struct radius_das_attrs;
343 int wpa_auth_radius_das_disconnect_pmksa(struct wpa_authenticator *wpa_auth,
344 struct radius_das_attrs *attr);
345 void wpa_auth_reconfig_group_keys(struct wpa_authenticator *wpa_auth);
347 int wpa_auth_ensure_group(struct wpa_authenticator *wpa_auth, int vlan_id);
348 int wpa_auth_release_group(struct wpa_authenticator *wpa_auth, int vlan_id);
350 #endif /* WPA_AUTH_H */