1 /* 2 * wpa_supplicant - WPA definitions 3 * Copyright (c) 2003-2007, Jouni Malinen <j (at) 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); 66 #endif /* CONFIG_TDLS */ 67 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck, 68 const u8 *replay_ctr); 69 }; 70 71 72 enum wpa_sm_conf_params { 73 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, 74 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, 75 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, 76 WPA_PARAM_PROTO, 77 WPA_PARAM_PAIRWISE, 78 WPA_PARAM_GROUP, 79 WPA_PARAM_KEY_MGMT, 80 WPA_PARAM_MGMT_GROUP, 81 WPA_PARAM_RSN_ENABLED, 82 WPA_PARAM_MFP 83 }; 84 85 struct rsn_supp_config { 86 void *network_ctx; 87 int peerkey_enabled; 88 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */ 89 int proactive_key_caching; 90 int eap_workaround; 91 void *eap_conf_ctx; 92 const u8 *ssid; 93 size_t ssid_len; 94 int wpa_ptk_rekey; 95 }; 96 97 #ifndef CONFIG_NO_WPA 98 99 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 100 void wpa_sm_deinit(struct wpa_sm *sm); 101 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 102 void wpa_sm_notify_disassoc(struct wpa_sm *sm); 103 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 104 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 105 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 106 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 107 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 108 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 109 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 110 const char *bridge_ifname); 111 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 112 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 113 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 114 size_t *wpa_ie_len); 115 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 116 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 117 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 118 119 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 120 unsigned int value); 121 unsigned int wpa_sm_get_param(struct wpa_sm *sm, 122 enum wpa_sm_conf_params param); 123 124 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 125 int verbose); 126 int wpa_sm_pmf_enabled(struct wpa_sm *sm); 127 128 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 129 130 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 131 struct wpa_ie_data *data); 132 133 void wpa_sm_aborted_cached(struct wpa_sm *sm); 134 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 135 const u8 *buf, size_t len); 136 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 137 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 138 void wpa_sm_drop_sa(struct wpa_sm *sm); 139 int wpa_sm_has_ptk(struct wpa_sm *sm); 140 141 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 142 143 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 144 145 #else /* CONFIG_NO_WPA */ 146 147 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 148 { 149 return (struct wpa_sm *) 1; 150 } 151 152 static inline void wpa_sm_deinit(struct wpa_sm *sm) 153 { 154 } 155 156 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 157 { 158 } 159 160 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 161 { 162 } 163 164 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 165 size_t pmk_len) 166 { 167 } 168 169 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 170 { 171 } 172 173 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 174 { 175 } 176 177 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 178 { 179 } 180 181 static inline void wpa_sm_set_config(struct wpa_sm *sm, 182 struct rsn_supp_config *config) 183 { 184 } 185 186 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 187 { 188 } 189 190 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 191 const char *bridge_ifname) 192 { 193 } 194 195 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 196 { 197 } 198 199 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 200 size_t len) 201 { 202 return -1; 203 } 204 205 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 206 u8 *wpa_ie, 207 size_t *wpa_ie_len) 208 { 209 return -1; 210 } 211 212 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, 213 size_t len) 214 { 215 return -1; 216 } 217 218 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 219 size_t len) 220 { 221 return -1; 222 } 223 224 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 225 { 226 return 0; 227 } 228 229 static inline int wpa_sm_set_param(struct wpa_sm *sm, 230 enum wpa_sm_conf_params param, 231 unsigned int value) 232 { 233 return -1; 234 } 235 236 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 237 enum wpa_sm_conf_params param) 238 { 239 return 0; 240 } 241 242 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 243 size_t buflen, int verbose) 244 { 245 return 0; 246 } 247 248 static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 249 { 250 return 0; 251 } 252 253 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 254 int pairwise) 255 { 256 } 257 258 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 259 struct wpa_ie_data *data) 260 { 261 return -1; 262 } 263 264 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 265 { 266 } 267 268 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 269 const u8 *buf, size_t len) 270 { 271 return -1; 272 } 273 274 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 275 struct wpa_ie_data *data) 276 { 277 return -1; 278 } 279 280 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 281 size_t len) 282 { 283 return -1; 284 } 285 286 static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 287 { 288 } 289 290 static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 291 { 292 return 0; 293 } 294 295 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 296 const u8 *replay_ctr) 297 { 298 } 299 300 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 301 void *network_ctx) 302 { 303 } 304 305 #endif /* CONFIG_NO_WPA */ 306 307 #ifdef CONFIG_PEERKEY 308 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 309 #else /* CONFIG_PEERKEY */ 310 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 311 { 312 return -1; 313 } 314 #endif /* CONFIG_PEERKEY */ 315 316 #ifdef CONFIG_IEEE80211R 317 318 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 319 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 320 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 321 int ft_action, const u8 *target_ap, 322 const u8 *ric_ies, size_t ric_ies_len); 323 int wpa_ft_is_completed(struct wpa_sm *sm); 324 void wpa_reset_ft_completed(struct wpa_sm *sm); 325 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 326 size_t ies_len, const u8 *src_addr); 327 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 328 const u8 *mdie); 329 330 #else /* CONFIG_IEEE80211R */ 331 332 static inline int 333 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 334 { 335 return 0; 336 } 337 338 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 339 const u8 *mdie) 340 { 341 return 0; 342 } 343 344 static inline int 345 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 346 int ft_action, const u8 *target_ap) 347 { 348 return 0; 349 } 350 351 static inline int wpa_ft_is_completed(struct wpa_sm *sm) 352 { 353 return 0; 354 } 355 356 static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 357 { 358 } 359 360 static inline int 361 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 362 const u8 *src_addr) 363 { 364 return -1; 365 } 366 367 #endif /* CONFIG_IEEE80211R */ 368 369 370 /* tdls.c */ 371 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 372 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 373 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 374 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 375 int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 376 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 377 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 378 int wpa_tdls_init(struct wpa_sm *sm); 379 void wpa_tdls_teardown_peers(struct wpa_sm *sm); 380 void wpa_tdls_deinit(struct wpa_sm *sm); 381 void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 382 void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 383 int wpa_tdls_is_external_setup(struct wpa_sm *sm); 384 385 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 386 387 #endif /* WPA_H */ 388
