1 /* 2 * hostapd - IEEE 802.11i-2004 / WPA Authenticator 3 * Copyright (c) 2004-2017, 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 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; 148 149 150 struct ft_remote_r0kh { 151 struct ft_remote_r0kh *next; 152 u8 addr[ETH_ALEN]; 153 u8 id[FT_R0KH_ID_MAX_LEN]; 154 size_t id_len; 155 u8 key[32]; 156 struct ft_remote_seq *seq; 157 }; 158 159 160 struct ft_remote_r1kh { 161 struct ft_remote_r1kh *next; 162 u8 addr[ETH_ALEN]; 163 u8 id[FT_R1KH_ID_LEN]; 164 u8 key[32]; 165 struct ft_remote_seq *seq; 166 }; 167 168 169 struct wpa_auth_config { 170 int wpa; 171 int wpa_key_mgmt; 172 int wpa_pairwise; 173 int wpa_group; 174 int wpa_group_rekey; 175 int wpa_strict_rekey; 176 int wpa_gmk_rekey; 177 int wpa_ptk_rekey; 178 u32 wpa_group_update_count; 179 u32 wpa_pairwise_update_count; 180 int wpa_disable_eapol_key_retries; 181 int rsn_pairwise; 182 int rsn_preauth; 183 int eapol_version; 184 int wmm_enabled; 185 int wmm_uapsd; 186 int disable_pmksa_caching; 187 int okc; 188 int tx_status; 189 #ifdef CONFIG_IEEE80211W 190 enum mfp_options ieee80211w; 191 int group_mgmt_cipher; 192 int sae_require_mfp; 193 #endif /* CONFIG_IEEE80211W */ 194 #ifdef CONFIG_IEEE80211R_AP 195 u8 ssid[SSID_MAX_LEN]; 196 size_t ssid_len; 197 u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN]; 198 u8 r0_key_holder[FT_R0KH_ID_MAX_LEN]; 199 size_t r0_key_holder_len; 200 u8 r1_key_holder[FT_R1KH_ID_LEN]; 201 u32 r0_key_lifetime; /* PMK-R0 lifetime seconds */ 202 int rkh_pos_timeout; 203 int rkh_neg_timeout; 204 int rkh_pull_timeout; /* ms */ 205 int rkh_pull_retries; 206 int r1_max_key_lifetime; 207 u32 reassociation_deadline; 208 struct ft_remote_r0kh **r0kh_list; 209 struct ft_remote_r1kh **r1kh_list; 210 int pmk_r1_push; 211 int ft_over_ds; 212 int ft_psk_generate_local; 213 #endif /* CONFIG_IEEE80211R_AP */ 214 int disable_gtk; 215 int ap_mlme; 216 #ifdef CONFIG_TESTING_OPTIONS 217 double corrupt_gtk_rekey_mic_probability; 218 u8 own_ie_override[MAX_OWN_IE_OVERRIDE]; 219 size_t own_ie_override_len; 220 #endif /* CONFIG_TESTING_OPTIONS */ 221 #ifdef CONFIG_P2P 222 u8 ip_addr_go[4]; 223 u8 ip_addr_mask[4]; 224 u8 ip_addr_start[4]; 225 u8 ip_addr_end[4]; 226 #endif /* CONFIG_P2P */ 227 #ifdef CONFIG_FILS 228 unsigned int fils_cache_id_set:1; 229 u8 fils_cache_id[FILS_CACHE_ID_LEN]; 230 #endif /* CONFIG_FILS */ 231 }; 232 233 typedef enum { 234 LOGGER_DEBUG, LOGGER_INFO, LOGGER_WARNING 235 } logger_level; 236 237 typedef enum { 238 WPA_EAPOL_portEnabled, WPA_EAPOL_portValid, WPA_EAPOL_authorized, 239 WPA_EAPOL_portControl_Auto, WPA_EAPOL_keyRun, WPA_EAPOL_keyAvailable, 240 WPA_EAPOL_keyDone, WPA_EAPOL_inc_EapolFramesTx 241 } wpa_eapol_variable; 242 243 struct wpa_auth_callbacks { 244 void (*logger)(void *ctx, const u8 *addr, logger_level level, 245 const char *txt); 246 void (*disconnect)(void *ctx, const u8 *addr, u16 reason); 247 int (*mic_failure_report)(void *ctx, const u8 *addr); 248 void (*psk_failure_report)(void *ctx, const u8 *addr); 249 void (*set_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var, 250 int value); 251 int (*get_eapol)(void *ctx, const u8 *addr, wpa_eapol_variable var); 252 const u8 * (*get_psk)(void *ctx, const u8 *addr, const u8 *p2p_dev_addr, 253 const u8 *prev_psk, size_t *psk_len); 254 int (*get_msk)(void *ctx, const u8 *addr, u8 *msk, size_t *len); 255 int (*set_key)(void *ctx, int vlan_id, enum wpa_alg alg, 256 const u8 *addr, int idx, u8 *key, size_t key_len); 257 int (*get_seqnum)(void *ctx, const u8 *addr, int idx, u8 *seq); 258 int (*send_eapol)(void *ctx, const u8 *addr, const u8 *data, 259 size_t data_len, int encrypt); 260 int (*for_each_sta)(void *ctx, int (*cb)(struct wpa_state_machine *sm, 261 void *ctx), void *cb_ctx); 262 int (*for_each_auth)(void *ctx, int (*cb)(struct wpa_authenticator *a, 263 void *ctx), void *cb_ctx); 264 int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data, 265 size_t data_len); 266 int (*send_oui)(void *ctx, const u8 *dst, u8 oui_suffix, const u8 *data, 267 size_t data_len); 268 #ifdef CONFIG_IEEE80211R_AP 269 struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr); 270 int (*set_vlan)(void *ctx, const u8 *sta_addr, 271 struct vlan_description *vlan); 272 int (*get_vlan)(void *ctx, const u8 *sta_addr, 273 struct vlan_description *vlan); 274 int (*set_identity)(void *ctx, const u8 *sta_addr, 275 const u8 *identity, size_t identity_len); 276 size_t (*get_identity)(void *ctx, const u8 *sta_addr, const u8 **buf); 277 int (*set_radius_cui)(void *ctx, const u8 *sta_addr, 278 const u8 *radius_cui, size_t radius_cui_len); 279 size_t (*get_radius_cui)(void *ctx, const u8 *sta_addr, const u8 **buf); 280 void (*set_session_timeout)(void *ctx, const u8 *sta_addr, 281 int session_timeout); 282 int (*get_session_timeout)(void *ctx, const u8 *sta_addr); 283 284 int (*send_ft_action)(void *ctx, const u8 *dst, 285 const u8 *data, size_t data_len); 286 int (*add_tspec)(void *ctx, const u8 *sta_addr, u8 *tspec_ie, 287 size_t tspec_ielen); 288 #endif /* CONFIG_IEEE80211R_AP */ 289 #ifdef CONFIG_MESH 290 int (*start_ampe)(void *ctx, const u8 *sta_addr); 291 #endif /* CONFIG_MESH */ 292 }; 293 294 struct wpa_authenticator * wpa_init(const u8 *addr, 295 struct wpa_auth_config *conf, 296 const struct wpa_auth_callbacks *cb, 297 void *cb_ctx); 298 int wpa_init_keys(struct wpa_authenticator *wpa_auth); 299 void wpa_deinit(struct wpa_authenticator *wpa_auth); 300 int wpa_reconfig(struct wpa_authenticator *wpa_auth, 301 struct wpa_auth_config *conf); 302 303 enum { 304 WPA_IE_OK, WPA_INVALID_IE, WPA_INVALID_GROUP, WPA_INVALID_PAIRWISE, 305 WPA_INVALID_AKMP, WPA_NOT_ENABLED, WPA_ALLOC_FAIL, 306 WPA_MGMT_FRAME_PROTECTION_VIOLATION, WPA_INVALID_MGMT_GROUP_CIPHER, 307 WPA_INVALID_MDIE, WPA_INVALID_PROTO, WPA_INVALID_PMKID 308 }; 309 310 int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth, 311 struct wpa_state_machine *sm, 312 const u8 *wpa_ie, size_t wpa_ie_len, 313 const u8 *mdie, size_t mdie_len, 314 const u8 *owe_dh, size_t owe_dh_len); 315 int wpa_validate_osen(struct wpa_authenticator *wpa_auth, 316 struct wpa_state_machine *sm, 317 const u8 *osen_ie, size_t osen_ie_len); 318 int wpa_auth_uses_mfp(struct wpa_state_machine *sm); 319 struct wpa_state_machine * 320 wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr, 321 const u8 *p2p_dev_addr); 322 int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth, 323 struct wpa_state_machine *sm); 324 void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm); 325 void wpa_auth_sta_deinit(struct wpa_state_machine *sm); 326 void wpa_receive(struct wpa_authenticator *wpa_auth, 327 struct wpa_state_machine *sm, 328 u8 *data, size_t data_len); 329 enum wpa_event { 330 WPA_AUTH, WPA_ASSOC, WPA_DISASSOC, WPA_DEAUTH, WPA_REAUTH, 331 WPA_REAUTH_EAPOL, WPA_ASSOC_FT, WPA_ASSOC_FILS, WPA_DRV_STA_REMOVED 332 }; 333 void wpa_remove_ptk(struct wpa_state_machine *sm); 334 int wpa_auth_sm_event(struct wpa_state_machine *sm, enum wpa_event event); 335 void wpa_auth_sm_notify(struct wpa_state_machine *sm); 336 void wpa_gtk_rekey(struct wpa_authenticator *wpa_auth); 337 int wpa_get_mib(struct wpa_authenticator *wpa_auth, char *buf, size_t buflen); 338 int wpa_get_mib_sta(struct wpa_state_machine *sm, char *buf, size_t buflen); 339 void wpa_auth_countermeasures_start(struct wpa_authenticator *wpa_auth); 340 int wpa_auth_pairwise_set(struct wpa_state_machine *sm); 341 int wpa_auth_get_pairwise(struct wpa_state_machine *sm); 342 int wpa_auth_sta_key_mgmt(struct wpa_state_machine *sm); 343 int wpa_auth_sta_wpa_version(struct wpa_state_machine *sm); 344 int wpa_auth_sta_ft_tk_already_set(struct wpa_state_machine *sm); 345 int wpa_auth_sta_fils_tk_already_set(struct wpa_state_machine *sm); 346 int wpa_auth_sta_clear_pmksa(struct wpa_state_machine *sm, 347 struct rsn_pmksa_cache_entry *entry); 348 struct rsn_pmksa_cache_entry * 349 wpa_auth_sta_get_pmksa(struct wpa_state_machine *sm); 350 void wpa_auth_sta_local_mic_failure_report(struct wpa_state_machine *sm); 351 const u8 * wpa_auth_get_wpa_ie(struct wpa_authenticator *wpa_auth, 352 size_t *len); 353 int wpa_auth_pmksa_add(struct wpa_state_machine *sm, const u8 *pmk, 354 unsigned int pmk_len, 355 int session_timeout, struct eapol_state_machine *eapol); 356 int wpa_auth_pmksa_add_preauth(struct wpa_authenticator *wpa_auth, 357 const u8 *pmk, size_t len, const u8 *sta_addr, 358 int session_timeout, 359 struct eapol_state_machine *eapol); 360 int wpa_auth_pmksa_add_sae(struct wpa_authenticator *wpa_auth, const u8 *addr, 361 const u8 *pmk, const u8 *pmkid); 362 void wpa_auth_add_sae_pmkid(struct wpa_state_machine *sm, const u8 *pmkid); 363 int wpa_auth_pmksa_add2(struct wpa_authenticator *wpa_auth, const u8 *addr, 364 const u8 *pmk, size_t pmk_len, const u8 *pmkid, 365 int session_timeout, int akmp); 366 void wpa_auth_pmksa_remove(struct wpa_authenticator *wpa_auth, 367 const u8 *sta_addr); 368 int wpa_auth_pmksa_list(struct wpa_authenticator *wpa_auth, char *buf, 369 size_t len); 370 void wpa_auth_pmksa_flush(struct wpa_authenticator *wpa_auth); 371 int wpa_auth_pmksa_list_mesh(struct wpa_authenticator *wpa_auth, const u8 *addr, 372 char *buf, size_t len); 373 struct rsn_pmksa_cache_entry * 374 wpa_auth_pmksa_create_entry(const u8 *aa, const u8 *spa, const u8 *pmk, 375 const u8 *pmkid, int expiration); 376 int wpa_auth_pmksa_add_entry(struct wpa_authenticator *wpa_auth, 377 struct rsn_pmksa_cache_entry *entry); 378 struct rsn_pmksa_cache_entry * 379 wpa_auth_pmksa_get(struct wpa_authenticator *wpa_auth, const u8 *sta_addr, 380 const u8 *pmkid); 381 struct rsn_pmksa_cache_entry * 382 wpa_auth_pmksa_get_fils_cache_id(struct wpa_authenticator *wpa_auth, 383 const u8 *sta_addr, const u8 *pmkid); 384 void wpa_auth_pmksa_set_to_sm(struct rsn_pmksa_cache_entry *pmksa, 385 struct wpa_state_machine *sm, 386 struct wpa_authenticator *wpa_auth, 387 u8 *pmkid, u8 *pmk); 388 int wpa_auth_sta_set_vlan(struct wpa_state_machine *sm, int vlan_id); 389 void wpa_auth_eapol_key_tx_status(struct wpa_authenticator *wpa_auth, 390 struct wpa_state_machine *sm, int ack); 391 392 #ifdef CONFIG_IEEE80211R_AP 393 u8 * wpa_sm_write_assoc_resp_ies(struct wpa_state_machine *sm, u8 *pos, 394 size_t max_len, int auth_alg, 395 const u8 *req_ies, size_t req_ies_len); 396 void wpa_ft_process_auth(struct wpa_state_machine *sm, const u8 *bssid, 397 u16 auth_transaction, const u8 *ies, size_t ies_len, 398 void (*cb)(void *ctx, const u8 *dst, const u8 *bssid, 399 u16 auth_transaction, u16 resp, 400 const u8 *ies, size_t ies_len), 401 void *ctx); 402 u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies, 403 size_t ies_len); 404 int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len); 405 int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, 406 const u8 *data, size_t data_len); 407 void wpa_ft_rrb_oui_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, 408 const u8 *dst_addr, u8 oui_suffix, const u8 *data, 409 size_t data_len); 410 void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr); 411 void wpa_ft_deinit(struct wpa_authenticator *wpa_auth); 412 void wpa_ft_sta_deinit(struct wpa_state_machine *sm); 413 #endif /* CONFIG_IEEE80211R_AP */ 414 415 void wpa_wnmsleep_rekey_gtk(struct wpa_state_machine *sm); 416 void wpa_set_wnmsleep(struct wpa_state_machine *sm, int flag); 417 int wpa_wnmsleep_gtk_subelem(struct wpa_state_machine *sm, u8 *pos); 418 int wpa_wnmsleep_igtk_subelem(struct wpa_state_machine *sm, u8 *pos); 419 420 int wpa_auth_uses_sae(struct wpa_state_machine *sm); 421 int wpa_auth_uses_ft_sae(struct wpa_state_machine *sm); 422 423 int wpa_auth_get_ip_addr(struct wpa_state_machine *sm, u8 *addr); 424 425 struct radius_das_attrs; 426 int wpa_auth_radius_das_disconnect_pmksa(struct wpa_authenticator *wpa_auth, 427 struct radius_das_attrs *attr); 428 void wpa_auth_reconfig_group_keys(struct wpa_authenticator *wpa_auth); 429 430 int wpa_auth_ensure_group(struct wpa_authenticator *wpa_auth, int vlan_id); 431 int wpa_auth_release_group(struct wpa_authenticator *wpa_auth, int vlan_id); 432 int fils_auth_pmk_to_ptk(struct wpa_state_machine *sm, const u8 *pmk, 433 size_t pmk_len, const u8 *snonce, const u8 *anonce, 434 const u8 *dhss, size_t dhss_len, 435 struct wpabuf *g_sta, struct wpabuf *g_ap); 436 int fils_decrypt_assoc(struct wpa_state_machine *sm, const u8 *fils_session, 437 const struct ieee80211_mgmt *mgmt, size_t frame_len, 438 u8 *pos, size_t left); 439 int fils_encrypt_assoc(struct wpa_state_machine *sm, u8 *buf, 440 size_t current_len, size_t max_len, 441 const struct wpabuf *hlp); 442 int fils_set_tk(struct wpa_state_machine *sm); 443 u8 * hostapd_eid_assoc_fils_session(struct wpa_state_machine *sm, u8 *eid, 444 const u8 *fils_session, 445 struct wpabuf *fils_hlp_resp); 446 const u8 * wpa_fils_validate_fils_session(struct wpa_state_machine *sm, 447 const u8 *ies, size_t ies_len, 448 const u8 *fils_session); 449 int wpa_fils_validate_key_confirm(struct wpa_state_machine *sm, const u8 *ies, 450 size_t ies_len); 451 452 int wpa_auth_write_fte(struct wpa_authenticator *wpa_auth, int use_sha384, 453 u8 *buf, size_t len); 454 void wpa_auth_get_fils_aead_params(struct wpa_state_machine *sm, 455 u8 *fils_anonce, u8 *fils_snonce, 456 u8 *fils_kek, size_t *fils_kek_len); 457 u8 * wpa_auth_write_assoc_resp_owe(struct wpa_state_machine *sm, 458 u8 *pos, size_t max_len, 459 const u8 *req_ies, size_t req_ies_len); 460 461 int wpa_auth_resend_m1(struct wpa_state_machine *sm, int change_anonce, 462 void (*cb)(void *ctx1, void *ctx2), 463 void *ctx1, void *ctx2); 464 int wpa_auth_resend_m3(struct wpa_state_machine *sm, 465 void (*cb)(void *ctx1, void *ctx2), 466 void *ctx1, void *ctx2); 467 int wpa_auth_resend_group_m1(struct wpa_state_machine *sm, 468 void (*cb)(void *ctx1, void *ctx2), 469 void *ctx1, void *ctx2); 470 int wpa_auth_rekey_gtk(struct wpa_authenticator *wpa_auth); 471 472 #endif /* WPA_AUTH_H */ 473