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1 /*
2  * hostapd - IEEE 802.11i-2004 / WPA Authenticator
3  * Copyright (c) 2004-2022, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifndef WPA_AUTH_H
10 #define WPA_AUTH_H
11 
12 #include "common/defs.h"
13 #include "common/eapol_common.h"
14 #include "common/wpa_common.h"
15 #include "common/ieee802_11_defs.h"
16 
17 struct vlan_description;
18 struct mld_info;
19 
20 #define MAX_OWN_IE_OVERRIDE 256
21 
22 #ifdef _MSC_VER
23 #pragma pack(push, 1)
24 #endif /* _MSC_VER */
25 
26 /* IEEE Std 802.11r-2008, 11A.10.3 - Remote request/response frame definition
27  */
28 struct ft_rrb_frame {
29 	u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
30 	u8 packet_type; /* FT_PACKET_REQUEST/FT_PACKET_RESPONSE */
31 	le16 action_length; /* little endian length of action_frame */
32 	u8 ap_address[ETH_ALEN];
33 	/*
34 	 * Followed by action_length bytes of FT Action frame (from Category
35 	 * field to the end of Action Frame body.
36 	 */
37 } STRUCT_PACKED;
38 
39 #define RSN_REMOTE_FRAME_TYPE_FT_RRB 1
40 
41 #define FT_PACKET_REQUEST 0
42 #define FT_PACKET_RESPONSE 1
43 
44 /* Vendor-specific types for R0KH-R1KH protocol; not defined in 802.11r. These
45  * use OUI Extended EtherType as the encapsulating format. */
46 #define FT_PACKET_R0KH_R1KH_PULL 0x01
47 #define FT_PACKET_R0KH_R1KH_RESP 0x02
48 #define FT_PACKET_R0KH_R1KH_PUSH 0x03
49 #define FT_PACKET_R0KH_R1KH_SEQ_REQ 0x04
50 #define FT_PACKET_R0KH_R1KH_SEQ_RESP 0x05
51 
52 /* packet layout
53  *  IEEE 802 extended OUI ethertype frame header
54  *  u16 authlen (little endian)
55  *  multiple of struct ft_rrb_tlv (authenticated only, length = authlen)
56  *  multiple of struct ft_rrb_tlv (AES-SIV encrypted, AES-SIV needs an extra
57  *                                 blocksize length)
58  *
59  * AES-SIV AAD;
60  *  source MAC address (6)
61  *  authenticated-only TLVs (authlen)
62  *  subtype (1; FT_PACKET_*)
63  */
64 
65 #define FT_RRB_NONCE_LEN 16
66 
67 #define FT_RRB_LAST_EMPTY     0 /* placeholder or padding */
68 
69 #define FT_RRB_SEQ            1 /* struct ft_rrb_seq */
70 #define FT_RRB_NONCE          2 /* size FT_RRB_NONCE_LEN */
71 #define FT_RRB_TIMESTAMP      3 /* le32 unix seconds */
72 
73 #define FT_RRB_R0KH_ID        4 /* FT_R0KH_ID_MAX_LEN */
74 #define FT_RRB_R1KH_ID        5 /* FT_R1KH_ID_LEN */
75 #define FT_RRB_S1KH_ID        6 /* ETH_ALEN */
76 
77 #define FT_RRB_PMK_R0_NAME    7 /* WPA_PMK_NAME_LEN */
78 #define FT_RRB_PMK_R0         8 /* PMK_LEN */
79 #define FT_RRB_PMK_R1_NAME    9 /* WPA_PMK_NAME_LEN */
80 #define FT_RRB_PMK_R1        10 /* PMK_LEN */
81 
82 #define FT_RRB_PAIRWISE      11 /* le16 */
83 #define FT_RRB_EXPIRES_IN    12 /* le16 seconds */
84 
85 #define FT_RRB_VLAN_UNTAGGED 13 /* le16 */
86 #define FT_RRB_VLAN_TAGGED   14 /* n times le16 */
87 
88 #define FT_RRB_IDENTITY      15
89 #define FT_RRB_RADIUS_CUI    16
90 #define FT_RRB_SESSION_TIMEOUT  17 /* le32 seconds */
91 
92 struct ft_rrb_tlv {
93 	le16 type;
94 	le16 len;
95 	/* followed by data of length len */
96 } STRUCT_PACKED;
97 
98 struct ft_rrb_seq {
99 	le32 dom;
100 	le32 seq;
101 	le32 ts;
102 } STRUCT_PACKED;
103 
104 /* session TLVs:
105  *   required: PMK_R1, PMK_R1_NAME, PAIRWISE
106  *   optional: VLAN_UNTAGGED, VLAN_TAGGED, EXPIRES_IN, IDENTITY, RADIUS_CUI,
107  *		 SESSION_TIMEOUT
108  *
109  * pull frame TLVs:
110  *   auth:
111  *     required: SEQ, NONCE, R0KH_ID, R1KH_ID
112  *   encrypted:
113  *     required: PMK_R0_NAME, S1KH_ID
114  *
115  * response frame TLVs:
116  *   auth:
117  *     required: SEQ, NONCE, R0KH_ID, R1KH_ID
118  *   encrypted:
119  *     required: S1KH_ID
120  *     optional: session TLVs
121  *
122  * push frame TLVs:
123  *   auth:
124  *     required: SEQ, R0KH_ID, R1KH_ID
125  *   encrypted:
126  *     required: S1KH_ID, PMK_R0_NAME, session TLVs
127  *
128  * sequence number request frame TLVs:
129  *   auth:
130  *     required: R0KH_ID, R1KH_ID, NONCE
131  *
132  * sequence number response frame TLVs:
133  *   auth:
134  *     required: SEQ, NONCE, R0KH_ID, R1KH_ID
135  */
136 
137 #ifdef _MSC_VER
138 #pragma pack(pop)
139 #endif /* _MSC_VER */
140 
141 
142 /* per STA state machine data */
143 
144 struct wpa_authenticator;
145 struct wpa_state_machine;
146 struct rsn_pmksa_cache_entry;
147 struct eapol_state_machine;
148 struct ft_remote_seq;
149 struct wpa_channel_info;
150 
151 
152 struct ft_remote_r0kh {
153 	struct ft_remote_r0kh *next;
154 	u8 addr[ETH_ALEN];
155 	u8 id[FT_R0KH_ID_MAX_LEN];
156 	size_t id_len;
157 	u8 key[32];
158 	struct ft_remote_seq *seq;
159 };
160 
161 
162 struct ft_remote_r1kh {
163 	struct ft_remote_r1kh *next;
164 	u8 addr[ETH_ALEN];
165 	u8 id[FT_R1KH_ID_LEN];
166 	u8 key[32];
167 	struct ft_remote_seq *seq;
168 };
169 
170 
171 struct wpa_auth_config {
172 	void *msg_ctx;
173 	int wpa;
174 	int extended_key_id;
175 	int wpa_key_mgmt;
176 	int wpa_pairwise;
177 	int wpa_group;
178 	int wpa_group_rekey;
179 	int wpa_strict_rekey;
180 	int wpa_gmk_rekey;
181 	int wpa_ptk_rekey;
182 	int wpa_deny_ptk0_rekey;
183 	u32 wpa_group_update_count;
184 	u32 wpa_pairwise_update_count;
185 	int wpa_disable_eapol_key_retries;
186 	int rsn_pairwise;
187 	int rsn_preauth;
188 	int eapol_version;
189 	int wmm_enabled;
190 	int wmm_uapsd;
191 	int disable_pmksa_caching;
192 	int okc;
193 	int tx_status;
194 	enum mfp_options ieee80211w;
195 	int beacon_prot;
196 	int group_mgmt_cipher;
197 	int sae_require_mfp;
198 #ifdef CONFIG_OCV
199 	int ocv; /* Operating Channel Validation */
200 #endif /* CONFIG_OCV */
201 #ifdef CONFIG_IEEE80211R_AP
202 	u8 ssid[SSID_MAX_LEN];
203 	size_t ssid_len;
204 	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
205 	u8 r0_key_holder[FT_R0KH_ID_MAX_LEN];
206 	size_t r0_key_holder_len;
207 	u8 r1_key_holder[FT_R1KH_ID_LEN];
208 	u32 r0_key_lifetime; /* PMK-R0 lifetime seconds */
209 	int rkh_pos_timeout;
210 	int rkh_neg_timeout;
211 	int rkh_pull_timeout; /* ms */
212 	int rkh_pull_retries;
213 	int r1_max_key_lifetime;
214 	u32 reassociation_deadline;
215 	struct ft_remote_r0kh **r0kh_list;
216 	struct ft_remote_r1kh **r1kh_list;
217 	int pmk_r1_push;
218 	int ft_over_ds;
219 	int ft_psk_generate_local;
220 #endif /* CONFIG_IEEE80211R_AP */
221 	int disable_gtk;
222 	int ap_mlme;
223 #ifdef CONFIG_TESTING_OPTIONS
224 	double corrupt_gtk_rekey_mic_probability;
225 	u8 own_ie_override[MAX_OWN_IE_OVERRIDE];
226 	size_t own_ie_override_len;
227 	u8 rsne_override_eapol[MAX_OWN_IE_OVERRIDE];
228 	size_t rsne_override_eapol_len;
229 	u8 rsnxe_override_eapol[MAX_OWN_IE_OVERRIDE];
230 	size_t rsnxe_override_eapol_len;
231 	u8 rsne_override_ft[MAX_OWN_IE_OVERRIDE];
232 	size_t rsne_override_ft_len;
233 	u8 rsnxe_override_ft[MAX_OWN_IE_OVERRIDE];
234 	size_t rsnxe_override_ft_len;
235 	u8 gtk_rsc_override[WPA_KEY_RSC_LEN];
236 	u8 igtk_rsc_override[WPA_KEY_RSC_LEN];
237 	unsigned int rsne_override_eapol_set:1;
238 	unsigned int rsnxe_override_eapol_set:1;
239 	unsigned int rsne_override_ft_set:1;
240 	unsigned int rsnxe_override_ft_set:1;
241 	unsigned int gtk_rsc_override_set:1;
242 	unsigned int igtk_rsc_override_set:1;
243 	int ft_rsnxe_used;
244 	unsigned int skip_send_eapol:1;
245 	unsigned int enable_eapol_large_timeout:1;
246 	bool delay_eapol_tx;
247 #endif /* CONFIG_TESTING_OPTIONS */
248 	unsigned int oci_freq_override_eapol_m3;
249 	unsigned int oci_freq_override_eapol_g1;
250 	unsigned int oci_freq_override_ft_assoc;
251 	unsigned int oci_freq_override_fils_assoc;
252 #ifdef CONFIG_P2P
253 	u8 ip_addr_go[4];
254 	u8 ip_addr_mask[4];
255 	u8 ip_addr_start[4];
256 	u8 ip_addr_end[4];
257 #endif /* CONFIG_P2P */
258 #ifdef CONFIG_FILS
259 	unsigned int fils_cache_id_set:1;
260 	u8 fils_cache_id[FILS_CACHE_ID_LEN];
261 #endif /* CONFIG_FILS */
262 	enum sae_pwe sae_pwe;
263 	bool sae_pk;
264 
265 	unsigned int secure_ltf:1;
266 	unsigned int secure_rtt:1;
267 	unsigned int prot_range_neg:1;
268 
269 	int owe_ptk_workaround;
270 	u8 transition_disable;
271 #ifdef CONFIG_DPP2
272 	int dpp_pfs;
273 #endif /* CONFIG_DPP2 */
274 
275 	/*
276 	 * If set Key Derivation Key should be derived as part of PMK to
277 	 * PTK derivation regardless of advertised capabilities.
278 	 */
279 	bool force_kdk_derivation;
280 
281 	bool radius_psk;
282 };
283 
284 typedef enum {
285 	LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING
286 } logger_level;
287 
288 typedef enum {
289 	WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized,
290 	WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable,
291 	WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx
292 } wpa_eapol_variable;
293 
294 struct wpa_auth_ml_rsn_info {
295 	unsigned int n_mld_links;
296 
297 	struct wpa_auth_ml_link_rsn_info {
298 		unsigned int link_id;
299 		const u8 *rsn_ies;
300 		size_t rsn_ies_len;
301 	} links[MAX_NUM_MLD_LINKS];
302 };
303 
304 struct wpa_auth_ml_key_info {
305 	unsigned int n_mld_links;
306 	bool mgmt_frame_prot;
307 	bool beacon_prot;
308 
309 	struct wpa_auth_ml_link_key_info {
310 		u8 link_id;
311 
312 		u8 gtkidx;
313 		u8 gtk_len;
314 		u8 pn[6];
315 		const u8 *gtk;
316 
317 		u8 igtkidx;
318 		u8 igtk_len;
319 		const u8 *igtk;
320 		u8 ipn[6];
321 
322 		u8 bigtkidx;
323 		const u8 *bigtk;
324 		u8 bipn[6];
325 	} links[MAX_NUM_MLD_LINKS];
326 };
327 
328 struct wpa_auth_callbacks {
329 	void (*logger)(void *ctx, const u8 *addr, logger_level level,
330 		       const char *txt);
331 	void (*disconnect)(void *ctx, const u8 *addr, u16 reason);
332 	int (*mic_failure_report)(void *ctx, const u8 *addr);
333 	void (*psk_failure_report)(void *ctx, const u8 *addr);
334 	void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var,
335 			  int value);
336 	int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var);
337 	const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *p2p_dev_addr,
338 			      const u8 *prev_psk, size_t *psk_len,
339 			      int *vlan_id);
340 	int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len);
341 	int (*set_key)(void *ctx, int vlan_id, enum wpa_alg alg,
342 		       const u8 *addr, int idx, u8 *key, size_t key_len,
343 		       enum key_flag key_flag);
344 	int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq);
345 	int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data,
346 			  size_t data_len, int encrypt);
347 	int (*get_sta_count)(void *ctx);
348 	int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm,
349 						 void *ctx), void *cb_ctx);
350 	int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a,
351 						  void *ctx), void *cb_ctx);
352 	int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data,
353 			  size_t data_len);
354 	int (*send_oui)(void *ctx, const u8 *dst, u8 oui_suffix, const u8 *data,
355 			size_t data_len);
356 	int (*channel_info)(void *ctx, struct wpa_channel_info *ci);
357 	int (*update_vlan)(void *ctx, const u8 *addr, int vlan_id);
358 	int (*get_sta_tx_params)(void *ctx, const u8 *addr,
359 				 int ap_max_chanwidth, int ap_seg1_idx,
360 				 int *bandwidth, int *seg1_idx);
361 	void (*store_ptksa)(void *ctx, const u8 *addr, int cipher,
362 			    u32 life_time, const struct wpa_ptk *ptk);
363 	void (*clear_ptksa)(void *ctx, const u8 *addr, int cipher);
364 	void (*request_radius_psk)(void *ctx, const u8 *addr, int key_mgmt,
365 				   const u8 *anonce,
366 				   const u8 *eapol, size_t eapol_len);
367 #ifdef CONFIG_IEEE80211R_AP
368 	struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr);
369 	int (*add_sta_ft)(void *ctx, const u8 *sta_addr);
370 	int (*set_vlan)(void *ctx, const u8 *sta_addr,
371 			struct vlan_description *vlan);
372 	int (*get_vlan)(void *ctx, const u8 *sta_addr,
373 			struct vlan_description *vlan);
374 	int (*set_identity)(void *ctx, const u8 *sta_addr,
375 			    const u8 *identity, size_t identity_len);
376 	size_t (*get_identity)(void *ctx, const u8 *sta_addr, const u8 **buf);
377 	int (*set_radius_cui)(void *ctx, const u8 *sta_addr,
378 			      const u8 *radius_cui, size_t radius_cui_len);
379 	size_t (*get_radius_cui)(void *ctx, const u8 *sta_addr, const u8 **buf);
380 	void (*set_session_timeout)(void *ctx, const u8 *sta_addr,
381 				    int session_timeout);
382 	int (*get_session_timeout)(void *ctx, const u8 *sta_addr);
383 
384 	int (*send_ft_action)(void *ctx, const u8 *dst,
385 			      const u8 *data, size_t data_len);
386 	int (*add_tspec)(void *ctx, const u8 *sta_addr, u8 *tspec_ie,
387 			 size_t tspec_ielen);
388 #endif /* CONFIG_IEEE80211R_AP */
389 #ifdef CONFIG_MESH
390 	int (*start_ampe)(void *ctx, const u8 *sta_addr);
391 #endif /* CONFIG_MESH */
392 #ifdef CONFIG_PASN
393 	int (*set_ltf_keyseed)(void *ctx, const u8 *addr, const u8 *ltf_keyseed,
394 			       size_t ltf_keyseed_len);
395 #endif /* CONFIG_PASN */
396 #ifdef CONFIG_IEEE80211BE
397 	int (*get_ml_rsn_info)(void *ctx, struct wpa_auth_ml_rsn_info *info);
398 	int (*get_ml_key_info)(void *ctx, struct wpa_auth_ml_key_info *info);
399 #endif /* CONFIG_IEEE80211BE */
400 	int (*get_drv_flags)(void *ctx, u64 *drv_flags, u64 *drv_flags2);
401 };
402 
403 struct wpa_authenticator * wpa_init(const u8 *addr,
404 				    struct wpa_auth_config *conf,
405 				    const struct wpa_auth_callbacks *cb,
406 				    void *cb_ctx);
407 int wpa_init_keys(struct wpa_authenticator *wpa_auth);
408 void wpa_deinit(struct wpa_authenticator *wpa_auth);
409 int wpa_reconfig(struct wpa_authenticator *wpa_auth,
410 		 struct wpa_auth_config *conf);
411 
412 enum wpa_validate_result {
413 	WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE,
414 	WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL,
415 	WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER,
416 	WPA_INVALID_MDIE, WPA_INVALID_PROTO, WPA_INVALID_PMKID,
417 	WPA_DENIED_OTHER_REASON
418 };
419 
420 enum wpa_validate_result
421 wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
422 		    struct wpa_state_machine *sm, int freq,
423 		    const u8 *wpa_ie, size_t wpa_ie_len,
424 		    const u8 *rsnxe, size_t rsnxe_len,
425 		    const u8 *mdie, size_t mdie_len,
426 		    const u8 *owe_dh, size_t owe_dh_len);
427 int wpa_validate_osen(struct wpa_authenticator *wpa_auth,
428 		      struct wpa_state_machine *sm,
429 		      const u8 *osen_ie, size_t osen_ie_len);
430 int wpa_auth_uses_mfp(struct wpa_state_machine *sm);
431 void wpa_auth_set_ocv(struct wpa_state_machine *sm, int ocv);
432 int wpa_auth_uses_ocv(struct wpa_state_machine *sm);
433 struct wpa_state_machine *
434 wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr,
435 		  const u8 *p2p_dev_addr);
436 int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth,
437 			    struct wpa_state_machine *sm);
438 void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm);
439 void wpa_auth_sta_deinit(struct wpa_state_machine *sm);
440 void wpa_receive(struct wpa_authenticator *wpa_auth,
441 		 struct wpa_state_machine *sm,
442 		 u8 *data, size_t data_len);
443 enum wpa_event {
444 	WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH,
445 	WPA_REAUTH_EAPOL, WPA_ASSOC_FT, WPA_ASSOC_FILS, WPA_DRV_STA_REMOVED
446 };
447 void wpa_remove_ptk(struct wpa_state_machine *sm);
448 int wpa_auth_sm_event(struct wpa_state_machine *sm, enum wpa_event event);
449 void wpa_auth_sm_notify(struct wpa_state_machine *sm);
450 void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth);
451 int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen);
452 int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen);
453 void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth);
454 int wpa_auth_pairwise_set(struct wpa_state_machine *sm);
455 int wpa_auth_get_pairwise(struct wpa_state_machine *sm);
456 const u8 * wpa_auth_get_pmk(struct wpa_state_machine *sm, int *len);
457 const u8 * wpa_auth_get_dpp_pkhash(struct wpa_state_machine *sm);
458 int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm);
459 int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm);
460 int wpa_auth_sta_ft_tk_already_set(struct wpa_state_machine *sm);
461 int wpa_auth_sta_fils_tk_already_set(struct wpa_state_machine *sm);
462 int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
463 			     struct rsn_pmksa_cache_entry *entry);
464 struct rsn_pmksa_cache_entry *
465 wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm);
466 void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm);
467 const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth,
468 			       size_t *len);
469 int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk,
470 		       unsigned int pmk_len,
471 		       int session_timeout, struct eapol_state_machine *eapol);
472 int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth,
473 			       const u8 *pmk, size_t len, const u8 *sta_addr,
474 			       int session_timeout,
475 			       struct eapol_state_machine *eapol);
476 int wpa_auth_pmksa_add_sae(struct wpa_authenticator *wpa_auth, const u8 *addr,
477 			   const u8 *pmk, size_t pmk_len, const u8 *pmkid,
478 			   int akmp);
479 void wpa_auth_add_sae_pmkid(struct wpa_state_machine *sm, const u8 *pmkid);
480 int wpa_auth_pmksa_add2(struct wpa_authenticator *wpa_auth, const u8 *addr,
481 			const u8 *pmk, size_t pmk_len, const u8 *pmkid,
482 			int session_timeout, int akmp);
483 int wpa_auth_pmksa_add3(struct wpa_authenticator *wpa_auth, const u8 *addr,
484 			const u8 *pmk, size_t pmk_len, const u8 *pmkid,
485 			int session_timeout, int akmp, const u8 *dpp_pkhash);
486 void wpa_auth_pmksa_remove(struct wpa_authenticator *wpa_auth,
487 			   const u8 *sta_addr);
488 int wpa_auth_pmksa_list(struct wpa_authenticator *wpa_auth, char *buf,
489 			size_t len);
490 void wpa_auth_pmksa_flush(struct wpa_authenticator *wpa_auth);
491 int wpa_auth_pmksa_list_mesh(struct wpa_authenticator *wpa_auth, const u8 *addr,
492 			     char *buf, size_t len);
493 struct rsn_pmksa_cache_entry *
494 wpa_auth_pmksa_create_entry(const u8 *aa, const u8 *spa, const u8 *pmk,
495 			    size_t pmk_len, int akmp,
496 			    const u8 *pmkid, int expiration);
497 int wpa_auth_pmksa_add_entry(struct wpa_authenticator *wpa_auth,
498 			     struct rsn_pmksa_cache_entry *entry);
499 struct rsn_pmksa_cache *
500 wpa_auth_get_pmksa_cache(struct wpa_authenticator *wpa_auth);
501 struct rsn_pmksa_cache_entry *
502 wpa_auth_pmksa_get(struct wpa_authenticator *wpa_auth, const u8 *sta_addr,
503 		   const u8 *pmkid);
504 struct rsn_pmksa_cache_entry *
505 wpa_auth_pmksa_get_fils_cache_id(struct wpa_authenticator *wpa_auth,
506 				 const u8 *sta_addr, const u8 *pmkid);
507 void wpa_auth_pmksa_set_to_sm(struct rsn_pmksa_cache_entry *pmksa,
508 			      struct wpa_state_machine *sm,
509 			      struct wpa_authenticator *wpa_auth,
510 			      u8 *pmkid, u8 *pmk);
511 int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id);
512 void wpa_auth_eapol_key_tx_status(struct wpa_authenticator *wpa_auth,
513 				  struct wpa_state_machine *sm, int ack);
514 
515 #ifdef CONFIG_IEEE80211R_AP
516 u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos,
517 				 size_t max_len, int auth_alg,
518 				 const u8 *req_ies, size_t req_ies_len,
519 				 int omit_rsnxe);
520 void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid,
521 			 u16 auth_transaction, const u8 *ies, size_t ies_len,
522 			 void (*cb)(void *ctx, const u8 *dst, const u8 *bssid,
523 				    u16 auth_transaction, u16 resp,
524 				    const u8 *ies, size_t ies_len),
525 			 void *ctx);
526 int wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies,
527 			    size_t ies_len);
528 int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len);
529 int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
530 		  const u8 *data, size_t data_len);
531 void wpa_ft_rrb_oui_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
532 		       const u8 *dst_addr, u8 oui_suffix, const u8 *data,
533 		       size_t data_len);
534 void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr);
535 void wpa_ft_deinit(struct wpa_authenticator *wpa_auth);
536 void wpa_ft_sta_deinit(struct wpa_state_machine *sm);
537 int wpa_ft_fetch_pmk_r1(struct wpa_authenticator *wpa_auth,
538 			const u8 *spa, const u8 *pmk_r1_name,
539 			u8 *pmk_r1, size_t *pmk_r1_len, int *pairwise,
540 			struct vlan_description *vlan,
541 			const u8 **identity, size_t *identity_len,
542 			const u8 **radius_cui, size_t *radius_cui_len,
543 			int *session_timeout);
544 
545 #endif /* CONFIG_IEEE80211R_AP */
546 
547 void wpa_wnmsleep_rekey_gtk(struct wpa_state_machine *sm);
548 void wpa_set_wnmsleep(struct wpa_state_machine *sm, int flag);
549 int wpa_wnmsleep_gtk_subelem(struct wpa_state_machine *sm, u8 *pos);
550 int wpa_wnmsleep_igtk_subelem(struct wpa_state_machine *sm, u8 *pos);
551 int wpa_wnmsleep_bigtk_subelem(struct wpa_state_machine *sm, u8 *pos);
552 
553 int wpa_auth_uses_sae(struct wpa_state_machine *sm);
554 int wpa_auth_uses_ft_sae(struct wpa_state_machine *sm);
555 
556 int wpa_auth_get_ip_addr(struct wpa_state_machine *sm, u8 *addr);
557 
558 struct radius_das_attrs;
559 int wpa_auth_radius_das_disconnect_pmksa(struct wpa_authenticator *wpa_auth,
560 					 struct radius_das_attrs *attr);
561 void wpa_auth_reconfig_group_keys(struct wpa_authenticator *wpa_auth);
562 
563 int wpa_auth_ensure_group(struct wpa_authenticator *wpa_auth, int vlan_id);
564 int wpa_auth_release_group(struct wpa_authenticator *wpa_auth, int vlan_id);
565 int fils_auth_pmk_to_ptk(struct wpa_state_machine *sm, const u8 *pmk,
566 			 size_t pmk_len, const u8 *snonce, const u8 *anonce,
567 			 const u8 *dhss, size_t dhss_len,
568 			 struct wpabuf *g_sta, struct wpabuf *g_ap);
569 int fils_decrypt_assoc(struct wpa_state_machine *sm, const u8 *fils_session,
570 		       const struct ieee80211_mgmt *mgmt, size_t frame_len,
571 		       u8 *pos, size_t left);
572 int fils_encrypt_assoc(struct wpa_state_machine *sm, u8 *buf,
573 		       size_t current_len, size_t max_len,
574 		       const struct wpabuf *hlp);
575 int fils_set_tk(struct wpa_state_machine *sm);
576 u8 * hostapd_eid_assoc_fils_session(struct wpa_state_machine *sm, u8 *eid,
577 				    const u8 *fils_session,
578 				    struct wpabuf *fils_hlp_resp);
579 const u8 *  wpa_fils_validate_fils_session(struct wpa_state_machine *sm,
580 					   const u8 *ies, size_t ies_len,
581 					   const u8 *fils_session);
582 int wpa_fils_validate_key_confirm(struct wpa_state_machine *sm, const u8 *ies,
583 				  size_t ies_len);
584 
585 int get_sta_tx_parameters(struct wpa_state_machine *sm, int ap_max_chanwidth,
586 			  int ap_seg1_idx, int *bandwidth, int *seg1_idx);
587 
588 int wpa_auth_write_fte(struct wpa_authenticator *wpa_auth,
589 		       struct wpa_state_machine *sm,
590 		       u8 *buf, size_t len);
591 void wpa_auth_get_fils_aead_params(struct wpa_state_machine *sm,
592 				   u8 *fils_anonce, u8 *fils_snonce,
593 				   u8 *fils_kek, size_t *fils_kek_len);
594 void wpa_auth_add_fils_pmk_pmkid(struct wpa_state_machine *sm, const u8 *pmk,
595 				 size_t pmk_len, const u8 *pmkid);
596 u8 * wpa_auth_write_assoc_resp_owe(struct wpa_state_machine *sm,
597 				   u8 *pos, size_t max_len,
598 				   const u8 *req_ies, size_t req_ies_len);
599 u8 * wpa_auth_write_assoc_resp_fils(struct wpa_state_machine *sm,
600 				    u8 *pos, size_t max_len,
601 				    const u8 *req_ies, size_t req_ies_len);
602 bool wpa_auth_write_fd_rsn_info(struct wpa_authenticator *wpa_auth,
603 				u8 *fd_rsn_info);
604 void wpa_auth_set_auth_alg(struct wpa_state_machine *sm, u16 auth_alg);
605 void wpa_auth_set_dpp_z(struct wpa_state_machine *sm, const struct wpabuf *z);
606 void wpa_auth_set_transition_disable(struct wpa_authenticator *wpa_auth,
607 				     u8 val);
608 
609 int wpa_auth_resend_m1(struct wpa_state_machine *sm, int change_anonce,
610 		       void (*cb)(void *ctx1, void *ctx2),
611 		       void *ctx1, void *ctx2);
612 int wpa_auth_resend_m3(struct wpa_state_machine *sm,
613 		       void (*cb)(void *ctx1, void *ctx2),
614 		       void *ctx1, void *ctx2);
615 int wpa_auth_resend_group_m1(struct wpa_state_machine *sm,
616 			     void (*cb)(void *ctx1, void *ctx2),
617 			     void *ctx1, void *ctx2);
618 int wpa_auth_rekey_ptk(struct wpa_authenticator *wpa_auth,
619 		       struct wpa_state_machine *sm);
620 int wpa_auth_rekey_gtk(struct wpa_authenticator *wpa_auth);
621 int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
622 				const u8 *data, size_t data_len,
623 				int encrypt);
624 void wpa_auth_set_ptk_rekey_timer(struct wpa_state_machine *sm);
625 void wpa_auth_set_ft_rsnxe_used(struct wpa_authenticator *wpa_auth, int val);
626 
627 enum wpa_auth_ocv_override_frame {
628 	WPA_AUTH_OCV_OVERRIDE_EAPOL_M3,
629 	WPA_AUTH_OCV_OVERRIDE_EAPOL_G1,
630 	WPA_AUTH_OCV_OVERRIDE_FT_ASSOC,
631 	WPA_AUTH_OCV_OVERRIDE_FILS_ASSOC,
632 };
633 void wpa_auth_set_ocv_override_freq(struct wpa_authenticator *wpa_auth,
634 				    enum wpa_auth_ocv_override_frame frame,
635 				    unsigned int freq);
636 void wpa_auth_set_skip_send_eapol(struct wpa_authenticator *wpa_auth,
637 				     u8 val);
638 void wpa_auth_set_enable_eapol_large_timeout(struct wpa_authenticator *wpa_auth,
639 				     u8 val);
640 
641 void wpa_auth_sta_radius_psk_resp(struct wpa_state_machine *sm, bool success);
642 
643 void wpa_auth_set_ml_info(struct wpa_state_machine *sm, const u8 *mld_addr,
644 			  u8 mld_assoc_link_id, struct mld_info *info);
645 void wpa_auth_ml_get_rsn_info(struct wpa_authenticator *a,
646 			      struct wpa_auth_ml_link_rsn_info *info);
647 void wpa_auth_ml_get_key_info(struct wpa_authenticator *a,
648 			      struct wpa_auth_ml_link_key_info *info,
649 			      bool mgmt_frame_prot, bool beacon_prot);
650 
651 #endif /* WPA_AUTH_H */
652