1 /* 2 * wpa_supplicant - WPA definitions 3 * Copyright (c) 2003-2015, 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_H 10 #define WPA_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 wpa_sm; 18 struct eapol_sm; 19 struct wpa_config_blob; 20 struct hostapd_freq_params; 21 struct wpa_channel_info; 22 23 struct wpa_sm_ctx { 24 void *ctx; /* pointer to arbitrary upper level context */ 25 void *msg_ctx; /* upper level context for wpa_msg() calls */ 26 27 void (*set_state)(void *ctx, enum wpa_states state); 28 enum wpa_states (*get_state)(void *ctx); 29 void (*deauthenticate)(void * ctx, u16 reason_code); 30 int (*set_key)(void *ctx, enum wpa_alg alg, 31 const u8 *addr, int key_idx, int set_tx, 32 const u8 *seq, size_t seq_len, 33 const u8 *key, size_t key_len); 34 void * (*get_network_ctx)(void *ctx); 35 int (*get_bssid)(void *ctx, u8 *bssid); 36 int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf, 37 size_t len); 38 int (*get_beacon_ie)(void *ctx); 39 void (*cancel_auth_timeout)(void *ctx); 40 u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len, 41 size_t *msg_len, void **data_pos); 42 int (*add_pmkid)(void *ctx, void *network_ctx, const u8 *bssid, 43 const u8 *pmkid, const u8 *fils_cache_id, 44 const u8 *pmk, size_t pmk_len); 45 int (*remove_pmkid)(void *ctx, void *network_ctx, const u8 *bssid, 46 const u8 *pmkid, const u8 *fils_cache_id); 47 void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob); 48 const struct wpa_config_blob * (*get_config_blob)(void *ctx, 49 const char *name); 50 int (*mlme_setprotection)(void *ctx, const u8 *addr, 51 int protection_type, int key_type); 52 int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies, 53 size_t ies_len); 54 int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap, 55 const u8 *ies, size_t ies_len); 56 int (*mark_authenticated)(void *ctx, const u8 *target_ap); 57 #ifdef CONFIG_TDLS 58 int (*tdls_get_capa)(void *ctx, int *tdls_supported, 59 int *tdls_ext_setup, int *tdls_chan_switch); 60 int (*send_tdls_mgmt)(void *ctx, const u8 *dst, 61 u8 action_code, u8 dialog_token, 62 u16 status_code, u32 peer_capab, 63 int initiator, const u8 *buf, size_t len); 64 int (*tdls_oper)(void *ctx, int oper, const u8 *peer); 65 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid, 66 u16 capability, const u8 *supp_rates, 67 size_t supp_rates_len, 68 const struct ieee80211_ht_capabilities *ht_capab, 69 const struct ieee80211_vht_capabilities *vht_capab, 70 u8 qosinfo, int wmm, const u8 *ext_capab, 71 size_t ext_capab_len, const u8 *supp_channels, 72 size_t supp_channels_len, 73 const u8 *supp_oper_classes, 74 size_t supp_oper_classes_len); 75 int (*tdls_enable_channel_switch)( 76 void *ctx, const u8 *addr, u8 oper_class, 77 const struct hostapd_freq_params *params); 78 int (*tdls_disable_channel_switch)(void *ctx, const u8 *addr); 79 #endif /* CONFIG_TDLS */ 80 void (*set_rekey_offload)(void *ctx, const u8 *kek, size_t kek_len, 81 const u8 *kck, size_t kck_len, 82 const u8 *replay_ctr); 83 int (*key_mgmt_set_pmk)(void *ctx, const u8 *pmk, size_t pmk_len); 84 void (*fils_hlp_rx)(void *ctx, const u8 *dst, const u8 *src, 85 const u8 *pkt, size_t pkt_len); 86 int (*channel_info)(void *ctx, struct wpa_channel_info *ci); 87 }; 88 89 90 enum wpa_sm_conf_params { 91 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, 92 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, 93 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, 94 WPA_PARAM_PROTO, 95 WPA_PARAM_PAIRWISE, 96 WPA_PARAM_GROUP, 97 WPA_PARAM_KEY_MGMT, 98 WPA_PARAM_MGMT_GROUP, 99 WPA_PARAM_RSN_ENABLED, 100 WPA_PARAM_MFP, 101 WPA_PARAM_OCV 102 }; 103 104 struct rsn_supp_config { 105 void *network_ctx; 106 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */ 107 int proactive_key_caching; 108 int eap_workaround; 109 void *eap_conf_ctx; 110 const u8 *ssid; 111 size_t ssid_len; 112 int wpa_ptk_rekey; 113 int p2p; 114 int wpa_rsc_relaxation; 115 const u8 *fils_cache_id; 116 }; 117 118 #ifndef CONFIG_NO_WPA 119 120 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 121 void wpa_sm_deinit(struct wpa_sm *sm); 122 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 123 void wpa_sm_notify_disassoc(struct wpa_sm *sm); 124 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len, 125 const u8 *pmkid, const u8 *bssid); 126 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 127 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 128 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 129 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 130 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 131 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 132 const char *bridge_ifname); 133 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 134 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 135 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 136 size_t *wpa_ie_len); 137 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 138 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 139 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 140 141 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 142 unsigned int value); 143 144 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 145 int verbose); 146 int wpa_sm_pmf_enabled(struct wpa_sm *sm); 147 int wpa_sm_ocv_enabled(struct wpa_sm *sm); 148 149 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 150 151 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 152 struct wpa_ie_data *data); 153 154 void wpa_sm_aborted_cached(struct wpa_sm *sm); 155 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 156 const u8 *buf, size_t len); 157 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 158 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 159 struct rsn_pmksa_cache_entry * wpa_sm_pmksa_cache_head(struct wpa_sm *sm); 160 struct rsn_pmksa_cache_entry * 161 wpa_sm_pmksa_cache_add_entry(struct wpa_sm *sm, 162 struct rsn_pmksa_cache_entry * entry); 163 void wpa_sm_pmksa_cache_add(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len, 164 const u8 *pmkid, const u8 *bssid, 165 const u8 *fils_cache_id); 166 int wpa_sm_pmksa_exists(struct wpa_sm *sm, const u8 *bssid, 167 const void *network_ctx); 168 void wpa_sm_drop_sa(struct wpa_sm *sm); 169 int wpa_sm_has_ptk(struct wpa_sm *sm); 170 171 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 172 173 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 174 175 int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf); 176 177 void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, const u8 *rx_replay_counter); 178 void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm, 179 const u8 *ptk_kck, size_t ptk_kck_len, 180 const u8 *ptk_kek, size_t ptk_kek_len); 181 int wpa_fils_is_completed(struct wpa_sm *sm); 182 183 #else /* CONFIG_NO_WPA */ 184 185 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 186 { 187 return (struct wpa_sm *) 1; 188 } 189 190 static inline void wpa_sm_deinit(struct wpa_sm *sm) 191 { 192 } 193 194 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 195 { 196 } 197 198 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 199 { 200 } 201 202 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 203 size_t pmk_len, const u8 *pmkid, 204 const u8 *bssid) 205 { 206 } 207 208 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 209 { 210 } 211 212 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 213 { 214 } 215 216 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 217 { 218 } 219 220 static inline void wpa_sm_set_config(struct wpa_sm *sm, 221 struct rsn_supp_config *config) 222 { 223 } 224 225 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 226 { 227 } 228 229 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 230 const char *bridge_ifname) 231 { 232 } 233 234 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 235 { 236 } 237 238 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 239 size_t len) 240 { 241 return -1; 242 } 243 244 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 245 u8 *wpa_ie, 246 size_t *wpa_ie_len) 247 { 248 return -1; 249 } 250 251 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, 252 size_t len) 253 { 254 return -1; 255 } 256 257 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 258 size_t len) 259 { 260 return -1; 261 } 262 263 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 264 { 265 return 0; 266 } 267 268 static inline int wpa_sm_set_param(struct wpa_sm *sm, 269 enum wpa_sm_conf_params param, 270 unsigned int value) 271 { 272 return -1; 273 } 274 275 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 276 size_t buflen, int verbose) 277 { 278 return 0; 279 } 280 281 static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 282 { 283 return 0; 284 } 285 286 static inline int wpa_sm_ocv_enabled(struct wpa_sm *sm) 287 { 288 return 0; 289 } 290 291 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 292 int pairwise) 293 { 294 } 295 296 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 297 struct wpa_ie_data *data) 298 { 299 return -1; 300 } 301 302 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 303 { 304 } 305 306 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 307 const u8 *buf, size_t len) 308 { 309 return -1; 310 } 311 312 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 313 struct wpa_ie_data *data) 314 { 315 return -1; 316 } 317 318 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 319 size_t len) 320 { 321 return -1; 322 } 323 324 static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 325 { 326 } 327 328 static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 329 { 330 return 0; 331 } 332 333 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 334 const u8 *replay_ctr) 335 { 336 } 337 338 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 339 void *network_ctx) 340 { 341 } 342 343 static inline void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, 344 const u8 *rx_replay_counter) 345 { 346 } 347 348 static inline void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm, const u8 *ptk_kck, 349 size_t ptk_kck_len, 350 const u8 *ptk_kek, size_t ptk_kek_len) 351 { 352 } 353 354 static inline int wpa_fils_is_completed(struct wpa_sm *sm) 355 { 356 return 0; 357 } 358 359 #endif /* CONFIG_NO_WPA */ 360 361 #ifdef CONFIG_IEEE80211R 362 363 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 364 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 365 int wpa_ft_add_mdie(struct wpa_sm *sm, u8 *ies, size_t ies_len, 366 const u8 *mdie); 367 const u8 * wpa_sm_get_ft_md(struct wpa_sm *sm); 368 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 369 int ft_action, const u8 *target_ap, 370 const u8 *ric_ies, size_t ric_ies_len); 371 int wpa_ft_is_completed(struct wpa_sm *sm); 372 void wpa_reset_ft_completed(struct wpa_sm *sm); 373 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 374 size_t ies_len, const u8 *src_addr); 375 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 376 const u8 *mdie); 377 378 #else /* CONFIG_IEEE80211R */ 379 380 static inline int 381 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 382 { 383 return 0; 384 } 385 386 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 387 const u8 *mdie) 388 { 389 return 0; 390 } 391 392 static inline int wpa_ft_add_mdie(struct wpa_sm *sm, u8 *ies, size_t ies_len, 393 const u8 *mdie) 394 { 395 return 0; 396 } 397 398 static inline int 399 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 400 int ft_action, const u8 *target_ap) 401 { 402 return 0; 403 } 404 405 static inline int wpa_ft_is_completed(struct wpa_sm *sm) 406 { 407 return 0; 408 } 409 410 static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 411 { 412 } 413 414 static inline int 415 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 416 const u8 *src_addr) 417 { 418 return -1; 419 } 420 421 #endif /* CONFIG_IEEE80211R */ 422 423 424 /* tdls.c */ 425 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 426 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 427 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 428 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 429 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 430 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 431 int wpa_tdls_init(struct wpa_sm *sm); 432 void wpa_tdls_teardown_peers(struct wpa_sm *sm); 433 void wpa_tdls_deinit(struct wpa_sm *sm); 434 void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 435 void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr); 436 const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 437 int wpa_tdls_is_external_setup(struct wpa_sm *sm); 438 int wpa_tdls_enable_chan_switch(struct wpa_sm *sm, const u8 *addr, 439 u8 oper_class, 440 struct hostapd_freq_params *freq_params); 441 int wpa_tdls_disable_chan_switch(struct wpa_sm *sm, const u8 *addr); 442 #ifdef CONFIG_TDLS_TESTING 443 extern unsigned int tdls_testing; 444 #endif /* CONFIG_TDLS_TESTING */ 445 446 447 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 448 void wpa_sm_set_test_assoc_ie(struct wpa_sm *sm, struct wpabuf *buf); 449 const u8 * wpa_sm_get_anonce(struct wpa_sm *sm); 450 unsigned int wpa_sm_get_key_mgmt(struct wpa_sm *sm); 451 452 struct wpabuf * fils_build_auth(struct wpa_sm *sm, int dh_group, const u8 *md); 453 int fils_process_auth(struct wpa_sm *sm, const u8 *bssid, const u8 *data, 454 size_t len); 455 struct wpabuf * fils_build_assoc_req(struct wpa_sm *sm, const u8 **kek, 456 size_t *kek_len, const u8 **snonce, 457 const u8 **anonce, 458 const struct wpabuf **hlp, 459 unsigned int num_hlp); 460 int fils_process_assoc_resp(struct wpa_sm *sm, const u8 *resp, size_t len); 461 462 struct wpabuf * owe_build_assoc_req(struct wpa_sm *sm, u16 group); 463 int owe_process_assoc_resp(struct wpa_sm *sm, const u8 *bssid, 464 const u8 *resp_ies, size_t resp_ies_len); 465 466 void wpa_sm_set_reset_fils_completed(struct wpa_sm *sm, int set); 467 void wpa_sm_set_fils_cache_id(struct wpa_sm *sm, const u8 *fils_cache_id); 468 void wpa_sm_set_dpp_z(struct wpa_sm *sm, const struct wpabuf *z); 469 470 #endif /* WPA_H */ 471