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