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 int wpa_rsc_relaxation; 108 }; 109 110 #ifndef CONFIG_NO_WPA 111 112 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 113 void wpa_sm_deinit(struct wpa_sm *sm); 114 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 115 void wpa_sm_notify_disassoc(struct wpa_sm *sm); 116 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len, 117 const u8 *pmkid, const u8 *bssid); 118 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 119 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 120 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 121 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 122 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 123 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 124 const char *bridge_ifname); 125 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 126 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 127 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 128 size_t *wpa_ie_len); 129 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 130 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 131 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 132 133 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 134 unsigned int value); 135 136 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 137 int verbose); 138 int wpa_sm_pmf_enabled(struct wpa_sm *sm); 139 140 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 141 142 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 143 struct wpa_ie_data *data); 144 145 void wpa_sm_aborted_cached(struct wpa_sm *sm); 146 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 147 const u8 *buf, size_t len); 148 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 149 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 150 void wpa_sm_drop_sa(struct wpa_sm *sm); 151 int wpa_sm_has_ptk(struct wpa_sm *sm); 152 153 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 154 155 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 156 157 int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf); 158 159 void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, const u8 *rx_replay_counter); 160 void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm, 161 const u8 *ptk_kck, size_t ptk_kck_len, 162 const u8 *ptk_kek, size_t ptk_kek_len); 163 164 #else /* CONFIG_NO_WPA */ 165 166 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 167 { 168 return (struct wpa_sm *) 1; 169 } 170 171 static inline void wpa_sm_deinit(struct wpa_sm *sm) 172 { 173 } 174 175 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 176 { 177 } 178 179 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 180 { 181 } 182 183 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 184 size_t pmk_len, const u8 *pmkid, 185 const u8 *bssid) 186 { 187 } 188 189 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 190 { 191 } 192 193 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 194 { 195 } 196 197 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 198 { 199 } 200 201 static inline void wpa_sm_set_config(struct wpa_sm *sm, 202 struct rsn_supp_config *config) 203 { 204 } 205 206 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 207 { 208 } 209 210 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 211 const char *bridge_ifname) 212 { 213 } 214 215 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 216 { 217 } 218 219 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 220 size_t len) 221 { 222 return -1; 223 } 224 225 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 226 u8 *wpa_ie, 227 size_t *wpa_ie_len) 228 { 229 return -1; 230 } 231 232 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, 233 size_t len) 234 { 235 return -1; 236 } 237 238 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 239 size_t len) 240 { 241 return -1; 242 } 243 244 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 245 { 246 return 0; 247 } 248 249 static inline int wpa_sm_set_param(struct wpa_sm *sm, 250 enum wpa_sm_conf_params param, 251 unsigned int value) 252 { 253 return -1; 254 } 255 256 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 257 size_t buflen, int verbose) 258 { 259 return 0; 260 } 261 262 static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 263 { 264 return 0; 265 } 266 267 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 268 int pairwise) 269 { 270 } 271 272 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 273 struct wpa_ie_data *data) 274 { 275 return -1; 276 } 277 278 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 279 { 280 } 281 282 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 283 const u8 *buf, size_t len) 284 { 285 return -1; 286 } 287 288 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 289 struct wpa_ie_data *data) 290 { 291 return -1; 292 } 293 294 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 295 size_t len) 296 { 297 return -1; 298 } 299 300 static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 301 { 302 } 303 304 static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 305 { 306 return 0; 307 } 308 309 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 310 const u8 *replay_ctr) 311 { 312 } 313 314 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 315 void *network_ctx) 316 { 317 } 318 319 static inline void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, 320 const u8 *rx_replay_counter) 321 { 322 } 323 324 static inline void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm, const u8 *ptk_kck, 325 size_t ptk_kck_len, 326 const u8 *ptk_kek, size_t ptk_kek_len) 327 { 328 } 329 330 #endif /* CONFIG_NO_WPA */ 331 332 #ifdef CONFIG_PEERKEY 333 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 334 int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 335 const u8 *buf, size_t len); 336 #else /* CONFIG_PEERKEY */ 337 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 338 { 339 return -1; 340 } 341 342 static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 343 const u8 *buf, size_t len) 344 { 345 return 0; 346 } 347 #endif /* CONFIG_PEERKEY */ 348 349 #ifdef CONFIG_IEEE80211R 350 351 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 352 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 353 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 354 int ft_action, const u8 *target_ap, 355 const u8 *ric_ies, size_t ric_ies_len); 356 int wpa_ft_is_completed(struct wpa_sm *sm); 357 void wpa_reset_ft_completed(struct wpa_sm *sm); 358 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 359 size_t ies_len, const u8 *src_addr); 360 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 361 const u8 *mdie); 362 363 #else /* CONFIG_IEEE80211R */ 364 365 static inline int 366 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 367 { 368 return 0; 369 } 370 371 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 372 const u8 *mdie) 373 { 374 return 0; 375 } 376 377 static inline int 378 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 379 int ft_action, const u8 *target_ap) 380 { 381 return 0; 382 } 383 384 static inline int wpa_ft_is_completed(struct wpa_sm *sm) 385 { 386 return 0; 387 } 388 389 static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 390 { 391 } 392 393 static inline int 394 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 395 const u8 *src_addr) 396 { 397 return -1; 398 } 399 400 #endif /* CONFIG_IEEE80211R */ 401 402 403 /* tdls.c */ 404 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 405 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 406 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 407 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 408 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 409 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 410 int wpa_tdls_init(struct wpa_sm *sm); 411 void wpa_tdls_teardown_peers(struct wpa_sm *sm); 412 void wpa_tdls_deinit(struct wpa_sm *sm); 413 void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 414 void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr); 415 const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 416 int wpa_tdls_is_external_setup(struct wpa_sm *sm); 417 int wpa_tdls_enable_chan_switch(struct wpa_sm *sm, const u8 *addr, 418 u8 oper_class, 419 struct hostapd_freq_params *freq_params); 420 int wpa_tdls_disable_chan_switch(struct wpa_sm *sm, const u8 *addr); 421 #ifdef CONFIG_TDLS_TESTING 422 extern unsigned int tdls_testing; 423 #endif /* CONFIG_TDLS_TESTING */ 424 425 426 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 427 void wpa_sm_set_test_assoc_ie(struct wpa_sm *sm, struct wpabuf *buf); 428 429 #endif /* WPA_H */ 430