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, u32 peer_capab, 58 int initiator, const u8 *buf, size_t len); 59 int (*tdls_oper)(void *ctx, int oper, const u8 *peer); 60 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, u16 aid, 61 u16 capability, const u8 *supp_rates, 62 size_t supp_rates_len, 63 const struct ieee80211_ht_capabilities *ht_capab, 64 const struct ieee80211_vht_capabilities *vht_capab, 65 u8 qosinfo, int wmm, const u8 *ext_capab, 66 size_t ext_capab_len, const u8 *supp_channels, 67 size_t supp_channels_len, 68 const u8 *supp_oper_classes, 69 size_t supp_oper_classes_len); 70 #endif /* CONFIG_TDLS */ 71 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck, 72 const u8 *replay_ctr); 73 }; 74 75 76 enum wpa_sm_conf_params { 77 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, 78 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, 79 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, 80 WPA_PARAM_PROTO, 81 WPA_PARAM_PAIRWISE, 82 WPA_PARAM_GROUP, 83 WPA_PARAM_KEY_MGMT, 84 WPA_PARAM_MGMT_GROUP, 85 WPA_PARAM_RSN_ENABLED, 86 WPA_PARAM_MFP 87 }; 88 89 struct rsn_supp_config { 90 void *network_ctx; 91 int peerkey_enabled; 92 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */ 93 int proactive_key_caching; 94 int eap_workaround; 95 void *eap_conf_ctx; 96 const u8 *ssid; 97 size_t ssid_len; 98 int wpa_ptk_rekey; 99 int p2p; 100 }; 101 102 #ifndef CONFIG_NO_WPA 103 104 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 105 void wpa_sm_deinit(struct wpa_sm *sm); 106 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 107 void wpa_sm_notify_disassoc(struct wpa_sm *sm); 108 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 109 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 110 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 111 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 112 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 113 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 114 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 115 const char *bridge_ifname); 116 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 117 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 118 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 119 size_t *wpa_ie_len); 120 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 121 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 122 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 123 124 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 125 unsigned int value); 126 127 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 128 int verbose); 129 int wpa_sm_pmf_enabled(struct wpa_sm *sm); 130 131 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 132 133 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 134 struct wpa_ie_data *data); 135 136 void wpa_sm_aborted_cached(struct wpa_sm *sm); 137 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 138 const u8 *buf, size_t len); 139 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 140 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 141 void wpa_sm_drop_sa(struct wpa_sm *sm); 142 int wpa_sm_has_ptk(struct wpa_sm *sm); 143 144 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 145 146 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 147 148 int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf); 149 150 #else /* CONFIG_NO_WPA */ 151 152 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 153 { 154 return (struct wpa_sm *) 1; 155 } 156 157 static inline void wpa_sm_deinit(struct wpa_sm *sm) 158 { 159 } 160 161 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 162 { 163 } 164 165 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 166 { 167 } 168 169 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 170 size_t pmk_len) 171 { 172 } 173 174 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 175 { 176 } 177 178 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 179 { 180 } 181 182 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 183 { 184 } 185 186 static inline void wpa_sm_set_config(struct wpa_sm *sm, 187 struct rsn_supp_config *config) 188 { 189 } 190 191 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 192 { 193 } 194 195 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 196 const char *bridge_ifname) 197 { 198 } 199 200 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 201 { 202 } 203 204 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 205 size_t len) 206 { 207 return -1; 208 } 209 210 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 211 u8 *wpa_ie, 212 size_t *wpa_ie_len) 213 { 214 return -1; 215 } 216 217 static inline int wpa_sm_set_ap_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_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 224 size_t len) 225 { 226 return -1; 227 } 228 229 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 230 { 231 return 0; 232 } 233 234 static inline int wpa_sm_set_param(struct wpa_sm *sm, 235 enum wpa_sm_conf_params param, 236 unsigned int value) 237 { 238 return -1; 239 } 240 241 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 242 size_t buflen, int verbose) 243 { 244 return 0; 245 } 246 247 static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 248 { 249 return 0; 250 } 251 252 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 253 int pairwise) 254 { 255 } 256 257 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 258 struct wpa_ie_data *data) 259 { 260 return -1; 261 } 262 263 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 264 { 265 } 266 267 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 268 const u8 *buf, size_t len) 269 { 270 return -1; 271 } 272 273 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 274 struct wpa_ie_data *data) 275 { 276 return -1; 277 } 278 279 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 280 size_t len) 281 { 282 return -1; 283 } 284 285 static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 286 { 287 } 288 289 static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 290 { 291 return 0; 292 } 293 294 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 295 const u8 *replay_ctr) 296 { 297 } 298 299 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 300 void *network_ctx) 301 { 302 } 303 304 #endif /* CONFIG_NO_WPA */ 305 306 #ifdef CONFIG_PEERKEY 307 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 308 int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 309 const u8 *buf, size_t len); 310 #else /* CONFIG_PEERKEY */ 311 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 312 { 313 return -1; 314 } 315 316 static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 317 const u8 *buf, size_t len) 318 { 319 return 0; 320 } 321 #endif /* CONFIG_PEERKEY */ 322 323 #ifdef CONFIG_IEEE80211R 324 325 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 326 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 327 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 328 int ft_action, const u8 *target_ap, 329 const u8 *ric_ies, size_t ric_ies_len); 330 int wpa_ft_is_completed(struct wpa_sm *sm); 331 void wpa_reset_ft_completed(struct wpa_sm *sm); 332 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 333 size_t ies_len, const u8 *src_addr); 334 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 335 const u8 *mdie); 336 337 #else /* CONFIG_IEEE80211R */ 338 339 static inline int 340 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 341 { 342 return 0; 343 } 344 345 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 346 const u8 *mdie) 347 { 348 return 0; 349 } 350 351 static inline int 352 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 353 int ft_action, const u8 *target_ap) 354 { 355 return 0; 356 } 357 358 static inline int wpa_ft_is_completed(struct wpa_sm *sm) 359 { 360 return 0; 361 } 362 363 static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 364 { 365 } 366 367 static inline int 368 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 369 const u8 *src_addr) 370 { 371 return -1; 372 } 373 374 #endif /* CONFIG_IEEE80211R */ 375 376 377 /* tdls.c */ 378 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 379 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 380 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 381 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 382 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 383 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 384 int wpa_tdls_init(struct wpa_sm *sm); 385 void wpa_tdls_teardown_peers(struct wpa_sm *sm); 386 void wpa_tdls_deinit(struct wpa_sm *sm); 387 void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 388 void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr); 389 const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 390 int wpa_tdls_is_external_setup(struct wpa_sm *sm); 391 392 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 393 394 #endif /* WPA_H */ 395
