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 17struct wpa_sm; 18struct eapol_sm; 19struct wpa_config_blob; 20struct hostapd_freq_params; 21 22struct 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 83enum 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 96struct 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 112struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 113void wpa_sm_deinit(struct wpa_sm *sm); 114void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 115void wpa_sm_notify_disassoc(struct wpa_sm *sm); 116void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len, 117 const u8 *pmkid, const u8 *bssid); 118void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 119void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 120void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 121void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 122void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 123void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 124 const char *bridge_ifname); 125void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 126int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 127int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 128 size_t *wpa_ie_len); 129int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 130int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 131int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 132 133int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 134 unsigned int value); 135 136int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 137 int verbose); 138int wpa_sm_pmf_enabled(struct wpa_sm *sm); 139 140void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 141 142int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 143 struct wpa_ie_data *data); 144 145void wpa_sm_aborted_cached(struct wpa_sm *sm); 146int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 147 const u8 *buf, size_t len); 148int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 149int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 150void wpa_sm_drop_sa(struct wpa_sm *sm); 151int wpa_sm_has_ptk(struct wpa_sm *sm); 152 153void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 154 155void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 156 157int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf); 158 159void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, const u8 *rx_replay_counter); 160void 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 166static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 167{ 168 return (struct wpa_sm *) 1; 169} 170 171static inline void wpa_sm_deinit(struct wpa_sm *sm) 172{ 173} 174 175static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 176{ 177} 178 179static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 180{ 181} 182 183static 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 189static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 190{ 191} 192 193static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 194{ 195} 196 197static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 198{ 199} 200 201static inline void wpa_sm_set_config(struct wpa_sm *sm, 202 struct rsn_supp_config *config) 203{ 204} 205 206static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 207{ 208} 209 210static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 211 const char *bridge_ifname) 212{ 213} 214 215static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 216{ 217} 218 219static 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 225static 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 232static 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 238static 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 244static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 245{ 246 return 0; 247} 248 249static 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 256static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 257 size_t buflen, int verbose) 258{ 259 return 0; 260} 261 262static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 263{ 264 return 0; 265} 266 267static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 268 int pairwise) 269{ 270} 271 272static 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 278static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 279{ 280} 281 282static 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 288static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 289 struct wpa_ie_data *data) 290{ 291 return -1; 292} 293 294static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 295 size_t len) 296{ 297 return -1; 298} 299 300static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 301{ 302} 303 304static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 305{ 306 return 0; 307} 308 309static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 310 const u8 *replay_ctr) 311{ 312} 313 314static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 315 void *network_ctx) 316{ 317} 318 319static inline void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, 320 const u8 *rx_replay_counter) 321{ 322} 323 324static 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 333int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 334int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 335 const u8 *buf, size_t len); 336#else /* CONFIG_PEERKEY */ 337static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 338{ 339 return -1; 340} 341 342static 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 351int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 352int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 353int 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); 356int wpa_ft_is_completed(struct wpa_sm *sm); 357void wpa_reset_ft_completed(struct wpa_sm *sm); 358int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 359 size_t ies_len, const u8 *src_addr); 360int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 361 const u8 *mdie); 362 363#else /* CONFIG_IEEE80211R */ 364 365static inline int 366wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 367{ 368 return 0; 369} 370 371static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 372 const u8 *mdie) 373{ 374 return 0; 375} 376 377static inline int 378wpa_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 384static inline int wpa_ft_is_completed(struct wpa_sm *sm) 385{ 386 return 0; 387} 388 389static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 390{ 391} 392 393static inline int 394wpa_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 */ 404void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 405void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 406int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 407void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 408int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 409int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 410int wpa_tdls_init(struct wpa_sm *sm); 411void wpa_tdls_teardown_peers(struct wpa_sm *sm); 412void wpa_tdls_deinit(struct wpa_sm *sm); 413void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 414void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr); 415const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 416int wpa_tdls_is_external_setup(struct wpa_sm *sm); 417int wpa_tdls_enable_chan_switch(struct wpa_sm *sm, const u8 *addr, 418 u8 oper_class, 419 struct hostapd_freq_params *freq_params); 420int wpa_tdls_disable_chan_switch(struct wpa_sm *sm, const u8 *addr); 421 422int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 423void wpa_sm_set_test_assoc_ie(struct wpa_sm *sm, struct wpabuf *buf); 424 425#endif /* WPA_H */ 426