1 /* 2 * wpa_supplicant - WPA definitions 3 * Copyright (c) 2003-2007, 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 21 struct wpa_sm_ctx { 22 void *ctx; /* pointer to arbitrary upper level context */ 23 void *msg_ctx; /* upper level context for wpa_msg() calls */ 24 25 void (*set_state)(void *ctx, enum wpa_states state); 26 enum wpa_states (*get_state)(void *ctx); 27 void (*deauthenticate)(void * ctx, int reason_code); 28 int (*set_key)(void *ctx, enum wpa_alg alg, 29 const u8 *addr, int key_idx, int set_tx, 30 const u8 *seq, size_t seq_len, 31 const u8 *key, size_t key_len); 32 void * (*get_network_ctx)(void *ctx); 33 int (*get_bssid)(void *ctx, u8 *bssid); 34 int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf, 35 size_t len); 36 int (*get_beacon_ie)(void *ctx); 37 void (*cancel_auth_timeout)(void *ctx); 38 u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len, 39 size_t *msg_len, void **data_pos); 40 int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); 41 int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); 42 void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob); 43 const struct wpa_config_blob * (*get_config_blob)(void *ctx, 44 const char *name); 45 int (*mlme_setprotection)(void *ctx, const u8 *addr, 46 int protection_type, int key_type); 47 int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies, 48 size_t ies_len); 49 int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap, 50 const u8 *ies, size_t ies_len); 51 int (*mark_authenticated)(void *ctx, const u8 *target_ap); 52 #ifdef CONFIG_TDLS 53 int (*tdls_get_capa)(void *ctx, int *tdls_supported, 54 int *tdls_ext_setup); 55 int (*send_tdls_mgmt)(void *ctx, const u8 *dst, 56 u8 action_code, u8 dialog_token, 57 u16 status_code, const u8 *buf, size_t len); 58 int (*tdls_oper)(void *ctx, int oper, const u8 *peer); 59 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid, 60 u16 capability, const u8 *supp_rates, 61 size_t supp_rates_len, 62 const struct ieee80211_ht_capabilities *ht_capab, 63 const struct ieee80211_vht_capabilities *vht_capab, 64 u8 qosinfo, const u8 *ext_capab, 65 size_t ext_capab_len, const u8 *supp_channels, 66 size_t supp_channels_len, 67 const u8 *supp_oper_classes, 68 size_t supp_oper_classes_len); 69 #endif /* CONFIG_TDLS */ 70 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck, 71 const u8 *replay_ctr); 72 }; 73 74 75 enum wpa_sm_conf_params { 76 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, 77 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, 78 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, 79 WPA_PARAM_PROTO, 80 WPA_PARAM_PAIRWISE, 81 WPA_PARAM_GROUP, 82 WPA_PARAM_KEY_MGMT, 83 WPA_PARAM_MGMT_GROUP, 84 WPA_PARAM_RSN_ENABLED, 85 WPA_PARAM_MFP 86 }; 87 88 struct rsn_supp_config { 89 void *network_ctx; 90 int peerkey_enabled; 91 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */ 92 int proactive_key_caching; 93 int eap_workaround; 94 void *eap_conf_ctx; 95 const u8 *ssid; 96 size_t ssid_len; 97 int wpa_ptk_rekey; 98 int p2p; 99 }; 100 101 #ifndef CONFIG_NO_WPA 102 103 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 104 void wpa_sm_deinit(struct wpa_sm *sm); 105 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 106 void wpa_sm_notify_disassoc(struct wpa_sm *sm); 107 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 108 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 109 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 110 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 111 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 112 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 113 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 114 const char *bridge_ifname); 115 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 116 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 117 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 118 size_t *wpa_ie_len); 119 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 120 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 121 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 122 123 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 124 unsigned int value); 125 unsigned int wpa_sm_get_param(struct wpa_sm *sm, 126 enum wpa_sm_conf_params param); 127 128 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 129 int verbose); 130 int wpa_sm_pmf_enabled(struct wpa_sm *sm); 131 132 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 133 134 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 135 struct wpa_ie_data *data); 136 137 void wpa_sm_aborted_cached(struct wpa_sm *sm); 138 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 139 const u8 *buf, size_t len); 140 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 141 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 142 void wpa_sm_drop_sa(struct wpa_sm *sm); 143 int wpa_sm_has_ptk(struct wpa_sm *sm); 144 145 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 146 147 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 148 149 int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf); 150 151 #else /* CONFIG_NO_WPA */ 152 153 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 154 { 155 return (struct wpa_sm *) 1; 156 } 157 158 static inline void wpa_sm_deinit(struct wpa_sm *sm) 159 { 160 } 161 162 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 163 { 164 } 165 166 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 167 { 168 } 169 170 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 171 size_t pmk_len) 172 { 173 } 174 175 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 176 { 177 } 178 179 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 180 { 181 } 182 183 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 184 { 185 } 186 187 static inline void wpa_sm_set_config(struct wpa_sm *sm, 188 struct rsn_supp_config *config) 189 { 190 } 191 192 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 193 { 194 } 195 196 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 197 const char *bridge_ifname) 198 { 199 } 200 201 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 202 { 203 } 204 205 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 206 size_t len) 207 { 208 return -1; 209 } 210 211 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 212 u8 *wpa_ie, 213 size_t *wpa_ie_len) 214 { 215 return -1; 216 } 217 218 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, 219 size_t len) 220 { 221 return -1; 222 } 223 224 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 225 size_t len) 226 { 227 return -1; 228 } 229 230 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 231 { 232 return 0; 233 } 234 235 static inline int wpa_sm_set_param(struct wpa_sm *sm, 236 enum wpa_sm_conf_params param, 237 unsigned int value) 238 { 239 return -1; 240 } 241 242 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 243 enum wpa_sm_conf_params param) 244 { 245 return 0; 246 } 247 248 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 249 size_t buflen, int verbose) 250 { 251 return 0; 252 } 253 254 static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 255 { 256 return 0; 257 } 258 259 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 260 int pairwise) 261 { 262 } 263 264 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 265 struct wpa_ie_data *data) 266 { 267 return -1; 268 } 269 270 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 271 { 272 } 273 274 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 275 const u8 *buf, size_t len) 276 { 277 return -1; 278 } 279 280 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 281 struct wpa_ie_data *data) 282 { 283 return -1; 284 } 285 286 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 287 size_t len) 288 { 289 return -1; 290 } 291 292 static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 293 { 294 } 295 296 static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 297 { 298 return 0; 299 } 300 301 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 302 const u8 *replay_ctr) 303 { 304 } 305 306 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 307 void *network_ctx) 308 { 309 } 310 311 #endif /* CONFIG_NO_WPA */ 312 313 #ifdef CONFIG_PEERKEY 314 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 315 int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 316 const u8 *buf, size_t len); 317 #else /* CONFIG_PEERKEY */ 318 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 319 { 320 return -1; 321 } 322 323 static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 324 const u8 *buf, size_t len) 325 { 326 return 0; 327 } 328 #endif /* CONFIG_PEERKEY */ 329 330 #ifdef CONFIG_IEEE80211R 331 332 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 333 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 334 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 335 int ft_action, const u8 *target_ap, 336 const u8 *ric_ies, size_t ric_ies_len); 337 int wpa_ft_is_completed(struct wpa_sm *sm); 338 void wpa_reset_ft_completed(struct wpa_sm *sm); 339 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 340 size_t ies_len, const u8 *src_addr); 341 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 342 const u8 *mdie); 343 344 #else /* CONFIG_IEEE80211R */ 345 346 static inline int 347 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 348 { 349 return 0; 350 } 351 352 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 353 const u8 *mdie) 354 { 355 return 0; 356 } 357 358 static inline int 359 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 360 int ft_action, const u8 *target_ap) 361 { 362 return 0; 363 } 364 365 static inline int wpa_ft_is_completed(struct wpa_sm *sm) 366 { 367 return 0; 368 } 369 370 static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 371 { 372 } 373 374 static inline int 375 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 376 const u8 *src_addr) 377 { 378 return -1; 379 } 380 381 #endif /* CONFIG_IEEE80211R */ 382 383 384 /* tdls.c */ 385 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 386 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 387 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 388 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 389 int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 390 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 391 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 392 int wpa_tdls_init(struct wpa_sm *sm); 393 void wpa_tdls_teardown_peers(struct wpa_sm *sm); 394 void wpa_tdls_deinit(struct wpa_sm *sm); 395 void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 396 void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 397 const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 398 int wpa_tdls_is_external_setup(struct wpa_sm *sm); 399 400 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 401 402 #endif /* WPA_H */ 403