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, 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); 126 127 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 128 129 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 130 struct wpa_ie_data *data); 131 132 void wpa_sm_aborted_cached(struct wpa_sm *sm); 133 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 134 const u8 *buf, size_t len); 135 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 136 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 137 void wpa_sm_drop_sa(struct wpa_sm *sm); 138 int wpa_sm_has_ptk(struct wpa_sm *sm); 139 140 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 141 142 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 143 144 #else /* CONFIG_NO_WPA */ 145 146 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 147 { 148 return (struct wpa_sm *) 1; 149 } 150 151 static inline void wpa_sm_deinit(struct wpa_sm *sm) 152 { 153 } 154 155 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 156 { 157 } 158 159 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 160 { 161 } 162 163 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 164 size_t pmk_len) 165 { 166 } 167 168 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 169 { 170 } 171 172 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 173 { 174 } 175 176 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 177 { 178 } 179 180 static inline void wpa_sm_set_config(struct wpa_sm *sm, 181 struct rsn_supp_config *config) 182 { 183 } 184 185 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 186 { 187 } 188 189 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 190 const char *bridge_ifname) 191 { 192 } 193 194 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 195 { 196 } 197 198 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 199 size_t len) 200 { 201 return -1; 202 } 203 204 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 205 u8 *wpa_ie, 206 size_t *wpa_ie_len) 207 { 208 return -1; 209 } 210 211 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, 212 size_t len) 213 { 214 return -1; 215 } 216 217 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 218 size_t len) 219 { 220 return -1; 221 } 222 223 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 224 { 225 return 0; 226 } 227 228 static inline int wpa_sm_set_param(struct wpa_sm *sm, 229 enum wpa_sm_conf_params param, 230 unsigned int value) 231 { 232 return -1; 233 } 234 235 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 236 enum wpa_sm_conf_params param) 237 { 238 return 0; 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 void wpa_sm_key_request(struct wpa_sm *sm, int error, 248 int pairwise) 249 { 250 } 251 252 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 253 struct wpa_ie_data *data) 254 { 255 return -1; 256 } 257 258 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 259 { 260 } 261 262 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 263 const u8 *buf, size_t len) 264 { 265 return -1; 266 } 267 268 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 269 struct wpa_ie_data *data) 270 { 271 return -1; 272 } 273 274 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 275 size_t len) 276 { 277 return -1; 278 } 279 280 static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 281 { 282 } 283 284 static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 285 { 286 return 0; 287 } 288 289 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 290 const u8 *replay_ctr) 291 { 292 } 293 294 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 295 void *network_ctx) 296 { 297 } 298 299 #endif /* CONFIG_NO_WPA */ 300 301 #ifdef CONFIG_PEERKEY 302 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 303 #else /* CONFIG_PEERKEY */ 304 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 305 { 306 return -1; 307 } 308 #endif /* CONFIG_PEERKEY */ 309 310 #ifdef CONFIG_IEEE80211R 311 312 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 313 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 314 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 315 int ft_action, const u8 *target_ap, 316 const u8 *ric_ies, size_t ric_ies_len); 317 int wpa_ft_is_completed(struct wpa_sm *sm); 318 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 319 size_t ies_len, const u8 *src_addr); 320 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 321 const u8 *mdie); 322 323 #else /* CONFIG_IEEE80211R */ 324 325 static inline int 326 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 327 { 328 return 0; 329 } 330 331 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 332 const u8 *mdie) 333 { 334 return 0; 335 } 336 337 static inline int 338 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 339 int ft_action, const u8 *target_ap) 340 { 341 return 0; 342 } 343 344 static inline int wpa_ft_is_completed(struct wpa_sm *sm) 345 { 346 return 0; 347 } 348 349 static inline int 350 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 351 const u8 *src_addr) 352 { 353 return -1; 354 } 355 356 #endif /* CONFIG_IEEE80211R */ 357 358 359 /* tdls.c */ 360 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 361 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 362 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 363 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 364 int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 365 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 366 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 367 int wpa_tdls_init(struct wpa_sm *sm); 368 void wpa_tdls_teardown_peers(struct wpa_sm *sm); 369 void wpa_tdls_deinit(struct wpa_sm *sm); 370 void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 371 void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 372 int wpa_tdls_is_external_setup(struct wpa_sm *sm); 373 374 int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 375 376 #endif /* WPA_H */ 377
