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      1 /*
      2  * hostapd - IEEE 802.11i-2004 / WPA Authenticator
      3  * Copyright (c) 2004-2017, Jouni Malinen <j (at) 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 
     19 #define MAX_OWN_IE_OVERRIDE 256
     20 
     21 #ifdef _MSC_VER
     22 #pragma pack(push, 1)
     23 #endif /* _MSC_VER */
     24 
     25 /* IEEE Std 802.11r-2008, 11A.10.3 - Remote request/response frame definition
     26  */
     27 struct ft_rrb_frame {
     28 	u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */
     29 	u8 packet_type; /* FT_PACKET_REQUEST/FT_PACKET_RESPONSE */
     30 	le16 action_length; /* little endian length of action_frame */
     31 	u8 ap_address[ETH_ALEN];
     32 	/*
     33 	 * Followed by action_length bytes of FT Action frame (from Category
     34 	 * field to the end of Action Frame body.
     35 	 */
     36 } STRUCT_PACKED;
     37 
     38 #define RSN_REMOTE_FRAME_TYPE_FT_RRB 1
     39 
     40 #define FT_PACKET_REQUEST 0
     41 #define FT_PACKET_RESPONSE 1
     42 
     43 /* Vendor-specific types for R0KH-R1KH protocol; not defined in 802.11r. These
     44  * use OUI Extended EtherType as the encapsulating format. */
     45 #define FT_PACKET_R0KH_R1KH_PULL 0x01
     46 #define FT_PACKET_R0KH_R1KH_RESP 0x02
     47 #define FT_PACKET_R0KH_R1KH_PUSH 0x03
     48 #define FT_PACKET_R0KH_R1KH_SEQ_REQ 0x04
     49 #define FT_PACKET_R0KH_R1KH_SEQ_RESP 0x05
     50 
     51 /* packet layout
     52  *  IEEE 802 extended OUI ethertype frame header
     53  *  u16 authlen (little endian)
     54  *  multiple of struct ft_rrb_tlv (authenticated only, length = authlen)
     55  *  multiple of struct ft_rrb_tlv (AES-SIV encrypted, AES-SIV needs an extra
     56  *                                 blocksize length)
     57  *
     58  * AES-SIV AAD;
     59  *  source MAC address (6)
     60  *  authenticated-only TLVs (authlen)
     61  *  subtype (1; FT_PACKET_*)
     62  */
     63 
     64 #define FT_RRB_NONCE_LEN 16
     65 
     66 #define FT_RRB_LAST_EMPTY     0 /* placeholder or padding */
     67 
     68 #define FT_RRB_SEQ            1 /* struct ft_rrb_seq */
     69 #define FT_RRB_NONCE          2 /* size FT_RRB_NONCE_LEN */
     70 #define FT_RRB_TIMESTAMP      3 /* le32 unix seconds */
     71 
     72 #define FT_RRB_R0KH_ID        4 /* FT_R0KH_ID_MAX_LEN */
     73 #define FT_RRB_R1KH_ID        5 /* FT_R1KH_ID_LEN */
     74 #define FT_RRB_S1KH_ID        6 /* ETH_ALEN */
     75 
     76 #define FT_RRB_PMK_R0_NAME    7 /* WPA_PMK_NAME_LEN */
     77 #define FT_RRB_PMK_R0         8 /* PMK_LEN */
     78 #define FT_RRB_PMK_R1_NAME    9 /* WPA_PMK_NAME_LEN */
     79 #define FT_RRB_PMK_R1        10 /* PMK_LEN */
     80 
     81 #define FT_RRB_PAIRWISE      11 /* le16 */
     82 #define FT_RRB_EXPIRES_IN    12 /* le16 seconds */
     83 
     84 #define FT_RRB_VLAN_UNTAGGED 13 /* le16 */
     85 #define FT_RRB_VLAN_TAGGED   14 /* n times le16 */
     86 
     87 #define FT_RRB_IDENTITY      15
     88 #define FT_RRB_RADIUS_CUI    16
     89 #define FT_RRB_SESSION_TIMEOUT  17 /* le32 seconds */
     90 
     91 struct ft_rrb_tlv {
     92 	le16 type;
     93 	le16 len;
     94 	/* followed by data of length len */
     95 } STRUCT_PACKED;
     96 
     97 struct ft_rrb_seq {
     98 	le32 dom;
     99 	le32 seq;
    100 	le32 ts;
    101 } STRUCT_PACKED;
    102 
    103 /* session TLVs:
    104  *   required: PMK_R1, PMK_R1_NAME, PAIRWISE
    105  *   optional: VLAN_UNTAGGED, VLAN_TAGGED, EXPIRES_IN, IDENTITY, RADIUS_CUI,
    106  *		 SESSION_TIMEOUT
    107  *
    108  * pull frame TLVs:
    109  *   auth:
    110  *     required: SEQ, NONCE, R0KH_ID, R1KH_ID
    111  *   encrypted:
    112  *     required: PMK_R0_NAME, S1KH_ID
    113  *
    114  * response frame TLVs:
    115  *   auth:
    116  *     required: SEQ, NONCE, R0KH_ID, R1KH_ID
    117  *   encrypted:
    118  *     required: S1KH_ID
    119  *     optional: session TLVs
    120  *
    121  * push frame TLVs:
    122  *   auth:
    123  *     required: SEQ, R0KH_ID, R1KH_ID
    124  *   encrypted:
    125  *     required: S1KH_ID, PMK_R0_NAME, session TLVs
    126  *
    127  * sequence number request frame TLVs:
    128  *   auth:
    129  *     required: R0KH_ID, R1KH_ID, NONCE
    130  *
    131  * sequence number response frame TLVs:
    132  *   auth:
    133  *     required: SEQ, NONCE, R0KH_ID, R1KH_ID
    134  */
    135 
    136 #ifdef _MSC_VER
    137 #pragma pack(pop)
    138 #endif /* _MSC_VER */
    139 
    140 
    141 /* per STA state machine data */
    142 
    143 struct wpa_authenticator;
    144 struct wpa_state_machine;
    145 struct rsn_pmksa_cache_entry;
    146 struct eapol_state_machine;
    147 struct ft_remote_seq;
    148 struct wpa_channel_info;
    149 
    150 
    151 struct ft_remote_r0kh {
    152 	struct ft_remote_r0kh *next;
    153 	u8 addr[ETH_ALEN];
    154 	u8 id[FT_R0KH_ID_MAX_LEN];
    155 	size_t id_len;
    156 	u8 key[32];
    157 	struct ft_remote_seq *seq;
    158 };
    159 
    160 
    161 struct ft_remote_r1kh {
    162 	struct ft_remote_r1kh *next;
    163 	u8 addr[ETH_ALEN];
    164 	u8 id[FT_R1KH_ID_LEN];
    165 	u8 key[32];
    166 	struct ft_remote_seq *seq;
    167 };
    168 
    169 
    170 struct wpa_auth_config {
    171 	int wpa;
    172 	int wpa_key_mgmt;
    173 	int wpa_pairwise;
    174 	int wpa_group;
    175 	int wpa_group_rekey;
    176 	int wpa_strict_rekey;
    177 	int wpa_gmk_rekey;
    178 	int wpa_ptk_rekey;
    179 	u32 wpa_group_update_count;
    180 	u32 wpa_pairwise_update_count;
    181 	int wpa_disable_eapol_key_retries;
    182 	int rsn_pairwise;
    183 	int rsn_preauth;
    184 	int eapol_version;
    185 	int wmm_enabled;
    186 	int wmm_uapsd;
    187 	int disable_pmksa_caching;
    188 	int okc;
    189 	int tx_status;
    190 #ifdef CONFIG_IEEE80211W
    191 	enum mfp_options ieee80211w;
    192 	int group_mgmt_cipher;
    193 	int sae_require_mfp;
    194 #endif /* CONFIG_IEEE80211W */
    195 #ifdef CONFIG_OCV
    196 	int ocv; /* Operating Channel Validation */
    197 #endif /* CONFIG_OCV */
    198 #ifdef CONFIG_IEEE80211R_AP
    199 	u8 ssid[SSID_MAX_LEN];
    200 	size_t ssid_len;
    201 	u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
    202 	u8 r0_key_holder[FT_R0KH_ID_MAX_LEN];
    203 	size_t r0_key_holder_len;
    204 	u8 r1_key_holder[FT_R1KH_ID_LEN];
    205 	u32 r0_key_lifetime; /* PMK-R0 lifetime seconds */
    206 	int rkh_pos_timeout;
    207 	int rkh_neg_timeout;
    208 	int rkh_pull_timeout; /* ms */
    209 	int rkh_pull_retries;
    210 	int r1_max_key_lifetime;
    211 	u32 reassociation_deadline;
    212 	struct ft_remote_r0kh **r0kh_list;
    213 	struct ft_remote_r1kh **r1kh_list;
    214 	int pmk_r1_push;
    215 	int ft_over_ds;
    216 	int ft_psk_generate_local;
    217 #endif /* CONFIG_IEEE80211R_AP */
    218 	int disable_gtk;
    219 	int ap_mlme;
    220 #ifdef CONFIG_TESTING_OPTIONS
    221 	double corrupt_gtk_rekey_mic_probability;
    222 	u8 own_ie_override[MAX_OWN_IE_OVERRIDE];
    223 	size_t own_ie_override_len;
    224 #endif /* CONFIG_TESTING_OPTIONS */
    225 #ifdef CONFIG_P2P
    226 	u8 ip_addr_go[4];
    227 	u8 ip_addr_mask[4];
    228 	u8 ip_addr_start[4];
    229 	u8 ip_addr_end[4];
    230 #endif /* CONFIG_P2P */
    231 #ifdef CONFIG_FILS
    232 	unsigned int fils_cache_id_set:1;
    233 	u8 fils_cache_id[FILS_CACHE_ID_LEN];
    234 #endif /* CONFIG_FILS */
    235 };
    236 
    237 typedef enum {
    238 	LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING
    239 } logger_level;
    240 
    241 typedef enum {
    242 	WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized,
    243 	WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable,
    244 	WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx
    245 } wpa_eapol_variable;
    246 
    247 struct wpa_auth_callbacks {
    248 	void (*logger)(void *ctx, const u8 *addr, logger_level level,
    249 		       const char *txt);
    250 	void (*disconnect)(void *ctx, const u8 *addr, u16 reason);
    251 	int (*mic_failure_report)(void *ctx, const u8 *addr);
    252 	void (*psk_failure_report)(void *ctx, const u8 *addr);
    253 	void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var,
    254 			  int value);
    255 	int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var);
    256 	const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *p2p_dev_addr,
    257 			      const u8 *prev_psk, size_t *psk_len,
    258 			      int *vlan_id);
    259 	int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len);
    260 	int (*set_key)(void *ctx, int vlan_id, enum wpa_alg alg,
    261 		       const u8 *addr, int idx, u8 *key, size_t key_len);
    262 	int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq);
    263 	int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data,
    264 			  size_t data_len, int encrypt);
    265 	int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm,
    266 						 void *ctx), void *cb_ctx);
    267 	int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a,
    268 						  void *ctx), void *cb_ctx);
    269 	int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data,
    270 			  size_t data_len);
    271 	int (*send_oui)(void *ctx, const u8 *dst, u8 oui_suffix, const u8 *data,
    272 			size_t data_len);
    273 	int (*channel_info)(void *ctx, struct wpa_channel_info *ci);
    274 	int (*update_vlan)(void *ctx, const u8 *addr, int vlan_id);
    275 	int (*get_sta_tx_params)(void *ctx, const u8 *addr,
    276 				 int ap_max_chanwidth, int ap_seg1_idx,
    277 				 int *bandwidth, int *seg1_idx);
    278 #ifdef CONFIG_IEEE80211R_AP
    279 	struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr);
    280 	int (*set_vlan)(void *ctx, const u8 *sta_addr,
    281 			struct vlan_description *vlan);
    282 	int (*get_vlan)(void *ctx, const u8 *sta_addr,
    283 			struct vlan_description *vlan);
    284 	int (*set_identity)(void *ctx, const u8 *sta_addr,
    285 			    const u8 *identity, size_t identity_len);
    286 	size_t (*get_identity)(void *ctx, const u8 *sta_addr, const u8 **buf);
    287 	int (*set_radius_cui)(void *ctx, const u8 *sta_addr,
    288 			      const u8 *radius_cui, size_t radius_cui_len);
    289 	size_t (*get_radius_cui)(void *ctx, const u8 *sta_addr, const u8 **buf);
    290 	void (*set_session_timeout)(void *ctx, const u8 *sta_addr,
    291 				    int session_timeout);
    292 	int (*get_session_timeout)(void *ctx, const u8 *sta_addr);
    293 
    294 	int (*send_ft_action)(void *ctx, const u8 *dst,
    295 			      const u8 *data, size_t data_len);
    296 	int (*add_tspec)(void *ctx, const u8 *sta_addr, u8 *tspec_ie,
    297 			 size_t tspec_ielen);
    298 #endif /* CONFIG_IEEE80211R_AP */
    299 #ifdef CONFIG_MESH
    300 	int (*start_ampe)(void *ctx, const u8 *sta_addr);
    301 #endif /* CONFIG_MESH */
    302 };
    303 
    304 struct wpa_authenticator * wpa_init(const u8 *addr,
    305 				    struct wpa_auth_config *conf,
    306 				    const struct wpa_auth_callbacks *cb,
    307 				    void *cb_ctx);
    308 int wpa_init_keys(struct wpa_authenticator *wpa_auth);
    309 void wpa_deinit(struct wpa_authenticator *wpa_auth);
    310 int wpa_reconfig(struct wpa_authenticator *wpa_auth,
    311 		 struct wpa_auth_config *conf);
    312 
    313 enum {
    314 	WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE,
    315 	WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL,
    316 	WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER,
    317 	WPA_INVALID_MDIE, WPA_INVALID_PROTO, WPA_INVALID_PMKID
    318 };
    319 
    320 int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
    321 			struct wpa_state_machine *sm, int freq,
    322 			const u8 *wpa_ie, size_t wpa_ie_len,
    323 			const u8 *mdie, size_t mdie_len,
    324 			const u8 *owe_dh, size_t owe_dh_len);
    325 int wpa_validate_osen(struct wpa_authenticator *wpa_auth,
    326 		      struct wpa_state_machine *sm,
    327 		      const u8 *osen_ie, size_t osen_ie_len);
    328 int wpa_auth_uses_mfp(struct wpa_state_machine *sm);
    329 void wpa_auth_set_ocv(struct wpa_state_machine *sm, int ocv);
    330 int wpa_auth_uses_ocv(struct wpa_state_machine *sm);
    331 struct wpa_state_machine *
    332 wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr,
    333 		  const u8 *p2p_dev_addr);
    334 int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth,
    335 			    struct wpa_state_machine *sm);
    336 void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm);
    337 void wpa_auth_sta_deinit(struct wpa_state_machine *sm);
    338 void wpa_receive(struct wpa_authenticator *wpa_auth,
    339 		 struct wpa_state_machine *sm,
    340 		 u8 *data, size_t data_len);
    341 enum wpa_event {
    342 	WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH,
    343 	WPA_REAUTH_EAPOL, WPA_ASSOC_FT, WPA_ASSOC_FILS, WPA_DRV_STA_REMOVED
    344 };
    345 void wpa_remove_ptk(struct wpa_state_machine *sm);
    346 int wpa_auth_sm_event(struct wpa_state_machine *sm, enum wpa_event event);
    347 void wpa_auth_sm_notify(struct wpa_state_machine *sm);
    348 void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth);
    349 int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen);
    350 int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen);
    351 void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth);
    352 int wpa_auth_pairwise_set(struct wpa_state_machine *sm);
    353 int wpa_auth_get_pairwise(struct wpa_state_machine *sm);
    354 const u8 * wpa_auth_get_pmk(struct wpa_state_machine *sm, int *len);
    355 int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm);
    356 int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm);
    357 int wpa_auth_sta_ft_tk_already_set(struct wpa_state_machine *sm);
    358 int wpa_auth_sta_fils_tk_already_set(struct wpa_state_machine *sm);
    359 int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm,
    360 			     struct rsn_pmksa_cache_entry *entry);
    361 struct rsn_pmksa_cache_entry *
    362 wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm);
    363 void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm);
    364 const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth,
    365 			       size_t *len);
    366 int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk,
    367 		       unsigned int pmk_len,
    368 		       int session_timeout, struct eapol_state_machine *eapol);
    369 int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth,
    370 			       const u8 *pmk, size_t len, const u8 *sta_addr,
    371 			       int session_timeout,
    372 			       struct eapol_state_machine *eapol);
    373 int wpa_auth_pmksa_add_sae(struct wpa_authenticator *wpa_auth, const u8 *addr,
    374 			   const u8 *pmk, const u8 *pmkid);
    375 void wpa_auth_add_sae_pmkid(struct wpa_state_machine *sm, const u8 *pmkid);
    376 int wpa_auth_pmksa_add2(struct wpa_authenticator *wpa_auth, const u8 *addr,
    377 			const u8 *pmk, size_t pmk_len, const u8 *pmkid,
    378 			int session_timeout, int akmp);
    379 void wpa_auth_pmksa_remove(struct wpa_authenticator *wpa_auth,
    380 			   const u8 *sta_addr);
    381 int wpa_auth_pmksa_list(struct wpa_authenticator *wpa_auth, char *buf,
    382 			size_t len);
    383 void wpa_auth_pmksa_flush(struct wpa_authenticator *wpa_auth);
    384 int wpa_auth_pmksa_list_mesh(struct wpa_authenticator *wpa_auth, const u8 *addr,
    385 			     char *buf, size_t len);
    386 struct rsn_pmksa_cache_entry *
    387 wpa_auth_pmksa_create_entry(const u8 *aa, const u8 *spa, const u8 *pmk,
    388 			    const u8 *pmkid, int expiration);
    389 int wpa_auth_pmksa_add_entry(struct wpa_authenticator *wpa_auth,
    390 			     struct rsn_pmksa_cache_entry *entry);
    391 struct rsn_pmksa_cache_entry *
    392 wpa_auth_pmksa_get(struct wpa_authenticator *wpa_auth, const u8 *sta_addr,
    393 		   const u8 *pmkid);
    394 struct rsn_pmksa_cache_entry *
    395 wpa_auth_pmksa_get_fils_cache_id(struct wpa_authenticator *wpa_auth,
    396 				 const u8 *sta_addr, const u8 *pmkid);
    397 void wpa_auth_pmksa_set_to_sm(struct rsn_pmksa_cache_entry *pmksa,
    398 			      struct wpa_state_machine *sm,
    399 			      struct wpa_authenticator *wpa_auth,
    400 			      u8 *pmkid, u8 *pmk);
    401 int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id);
    402 void wpa_auth_eapol_key_tx_status(struct wpa_authenticator *wpa_auth,
    403 				  struct wpa_state_machine *sm, int ack);
    404 
    405 #ifdef CONFIG_IEEE80211R_AP
    406 u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos,
    407 				 size_t max_len, int auth_alg,
    408 				 const u8 *req_ies, size_t req_ies_len);
    409 void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid,
    410 			 u16 auth_transaction, const u8 *ies, size_t ies_len,
    411 			 void (*cb)(void *ctx, const u8 *dst, const u8 *bssid,
    412 				    u16 auth_transaction, u16 resp,
    413 				    const u8 *ies, size_t ies_len),
    414 			 void *ctx);
    415 u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies,
    416 			    size_t ies_len);
    417 int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len);
    418 int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
    419 		  const u8 *data, size_t data_len);
    420 void wpa_ft_rrb_oui_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr,
    421 		       const u8 *dst_addr, u8 oui_suffix, const u8 *data,
    422 		       size_t data_len);
    423 void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr);
    424 void wpa_ft_deinit(struct wpa_authenticator *wpa_auth);
    425 void wpa_ft_sta_deinit(struct wpa_state_machine *sm);
    426 #endif /* CONFIG_IEEE80211R_AP */
    427 
    428 void wpa_wnmsleep_rekey_gtk(struct wpa_state_machine *sm);
    429 void wpa_set_wnmsleep(struct wpa_state_machine *sm, int flag);
    430 int wpa_wnmsleep_gtk_subelem(struct wpa_state_machine *sm, u8 *pos);
    431 int wpa_wnmsleep_igtk_subelem(struct wpa_state_machine *sm, u8 *pos);
    432 
    433 int wpa_auth_uses_sae(struct wpa_state_machine *sm);
    434 int wpa_auth_uses_ft_sae(struct wpa_state_machine *sm);
    435 
    436 int wpa_auth_get_ip_addr(struct wpa_state_machine *sm, u8 *addr);
    437 
    438 struct radius_das_attrs;
    439 int wpa_auth_radius_das_disconnect_pmksa(struct wpa_authenticator *wpa_auth,
    440 					 struct radius_das_attrs *attr);
    441 void wpa_auth_reconfig_group_keys(struct wpa_authenticator *wpa_auth);
    442 
    443 int wpa_auth_ensure_group(struct wpa_authenticator *wpa_auth, int vlan_id);
    444 int wpa_auth_release_group(struct wpa_authenticator *wpa_auth, int vlan_id);
    445 int fils_auth_pmk_to_ptk(struct wpa_state_machine *sm, const u8 *pmk,
    446 			 size_t pmk_len, const u8 *snonce, const u8 *anonce,
    447 			 const u8 *dhss, size_t dhss_len,
    448 			 struct wpabuf *g_sta, struct wpabuf *g_ap);
    449 int fils_decrypt_assoc(struct wpa_state_machine *sm, const u8 *fils_session,
    450 		       const struct ieee80211_mgmt *mgmt, size_t frame_len,
    451 		       u8 *pos, size_t left);
    452 int fils_encrypt_assoc(struct wpa_state_machine *sm, u8 *buf,
    453 		       size_t current_len, size_t max_len,
    454 		       const struct wpabuf *hlp);
    455 int fils_set_tk(struct wpa_state_machine *sm);
    456 u8 * hostapd_eid_assoc_fils_session(struct wpa_state_machine *sm, u8 *eid,
    457 				    const u8 *fils_session,
    458 				    struct wpabuf *fils_hlp_resp);
    459 const u8 *  wpa_fils_validate_fils_session(struct wpa_state_machine *sm,
    460 					   const u8 *ies, size_t ies_len,
    461 					   const u8 *fils_session);
    462 int wpa_fils_validate_key_confirm(struct wpa_state_machine *sm, const u8 *ies,
    463 				  size_t ies_len);
    464 
    465 int get_sta_tx_parameters(struct wpa_state_machine *sm, int ap_max_chanwidth,
    466 			  int ap_seg1_idx, int *bandwidth, int *seg1_idx);
    467 
    468 int wpa_auth_write_fte(struct wpa_authenticator *wpa_auth, int use_sha384,
    469 		       u8 *buf, size_t len);
    470 void wpa_auth_get_fils_aead_params(struct wpa_state_machine *sm,
    471 				   u8 *fils_anonce, u8 *fils_snonce,
    472 				   u8 *fils_kek, size_t *fils_kek_len);
    473 u8 * wpa_auth_write_assoc_resp_owe(struct wpa_state_machine *sm,
    474 				   u8 *pos, size_t max_len,
    475 				   const u8 *req_ies, size_t req_ies_len);
    476 void wpa_auth_set_auth_alg(struct wpa_state_machine *sm, u16 auth_alg);
    477 void wpa_auth_set_dpp_z(struct wpa_state_machine *sm, const struct wpabuf *z);
    478 
    479 int wpa_auth_resend_m1(struct wpa_state_machine *sm, int change_anonce,
    480 		       void (*cb)(void *ctx1, void *ctx2),
    481 		       void *ctx1, void *ctx2);
    482 int wpa_auth_resend_m3(struct wpa_state_machine *sm,
    483 		       void (*cb)(void *ctx1, void *ctx2),
    484 		       void *ctx1, void *ctx2);
    485 int wpa_auth_resend_group_m1(struct wpa_state_machine *sm,
    486 			     void (*cb)(void *ctx1, void *ctx2),
    487 			     void *ctx1, void *ctx2);
    488 int wpa_auth_rekey_gtk(struct wpa_authenticator *wpa_auth);
    489 
    490 #endif /* WPA_AUTH_H */
    491