wpa.h revision df5a7e4c5c64890c2425bb47d665bbce4992b676
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 17struct wpa_sm; 18struct eapol_sm; 19struct wpa_config_blob; 20 21struct 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 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, 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 76enum 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 89struct 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 104struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 105void wpa_sm_deinit(struct wpa_sm *sm); 106void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 107void wpa_sm_notify_disassoc(struct wpa_sm *sm); 108void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 109void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 110void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 111void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 112void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 113void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 114void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 115 const char *bridge_ifname); 116void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 117int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 118int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 119 size_t *wpa_ie_len); 120int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 121int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 122int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 123 124int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 125 unsigned int value); 126unsigned int wpa_sm_get_param(struct wpa_sm *sm, 127 enum wpa_sm_conf_params param); 128 129int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 130 int verbose); 131int wpa_sm_pmf_enabled(struct wpa_sm *sm); 132 133void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 134 135int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 136 struct wpa_ie_data *data); 137 138void wpa_sm_aborted_cached(struct wpa_sm *sm); 139int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 140 const u8 *buf, size_t len); 141int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 142int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 143void wpa_sm_drop_sa(struct wpa_sm *sm); 144int wpa_sm_has_ptk(struct wpa_sm *sm); 145 146void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 147 148void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 149 150int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf); 151 152#else /* CONFIG_NO_WPA */ 153 154static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 155{ 156 return (struct wpa_sm *) 1; 157} 158 159static inline void wpa_sm_deinit(struct wpa_sm *sm) 160{ 161} 162 163static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 164{ 165} 166 167static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 168{ 169} 170 171static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 172 size_t pmk_len) 173{ 174} 175 176static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 177{ 178} 179 180static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 181{ 182} 183 184static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 185{ 186} 187 188static inline void wpa_sm_set_config(struct wpa_sm *sm, 189 struct rsn_supp_config *config) 190{ 191} 192 193static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 194{ 195} 196 197static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 198 const char *bridge_ifname) 199{ 200} 201 202static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 203{ 204} 205 206static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 207 size_t len) 208{ 209 return -1; 210} 211 212static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 213 u8 *wpa_ie, 214 size_t *wpa_ie_len) 215{ 216 return -1; 217} 218 219static inline int wpa_sm_set_ap_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_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 226 size_t len) 227{ 228 return -1; 229} 230 231static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 232{ 233 return 0; 234} 235 236static inline int wpa_sm_set_param(struct wpa_sm *sm, 237 enum wpa_sm_conf_params param, 238 unsigned int value) 239{ 240 return -1; 241} 242 243static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 244 enum wpa_sm_conf_params param) 245{ 246 return 0; 247} 248 249static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 250 size_t buflen, int verbose) 251{ 252 return 0; 253} 254 255static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 256{ 257 return 0; 258} 259 260static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 261 int pairwise) 262{ 263} 264 265static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 266 struct wpa_ie_data *data) 267{ 268 return -1; 269} 270 271static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 272{ 273} 274 275static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 276 const u8 *buf, size_t len) 277{ 278 return -1; 279} 280 281static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 282 struct wpa_ie_data *data) 283{ 284 return -1; 285} 286 287static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 288 size_t len) 289{ 290 return -1; 291} 292 293static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 294{ 295} 296 297static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 298{ 299 return 0; 300} 301 302static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 303 const u8 *replay_ctr) 304{ 305} 306 307static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 308 void *network_ctx) 309{ 310} 311 312#endif /* CONFIG_NO_WPA */ 313 314#ifdef CONFIG_PEERKEY 315int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 316int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 317 const u8 *buf, size_t len); 318#else /* CONFIG_PEERKEY */ 319static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 320{ 321 return -1; 322} 323 324static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 325 const u8 *buf, size_t len) 326{ 327 return 0; 328} 329#endif /* CONFIG_PEERKEY */ 330 331#ifdef CONFIG_IEEE80211R 332 333int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 334int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 335int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 336 int ft_action, const u8 *target_ap, 337 const u8 *ric_ies, size_t ric_ies_len); 338int wpa_ft_is_completed(struct wpa_sm *sm); 339void wpa_reset_ft_completed(struct wpa_sm *sm); 340int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 341 size_t ies_len, const u8 *src_addr); 342int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 343 const u8 *mdie); 344 345#else /* CONFIG_IEEE80211R */ 346 347static inline int 348wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 349{ 350 return 0; 351} 352 353static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 354 const u8 *mdie) 355{ 356 return 0; 357} 358 359static inline int 360wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 361 int ft_action, const u8 *target_ap) 362{ 363 return 0; 364} 365 366static inline int wpa_ft_is_completed(struct wpa_sm *sm) 367{ 368 return 0; 369} 370 371static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 372{ 373} 374 375static inline int 376wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 377 const u8 *src_addr) 378{ 379 return -1; 380} 381 382#endif /* CONFIG_IEEE80211R */ 383 384 385/* tdls.c */ 386void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 387void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 388int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 389void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 390int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 391int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 392int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 393int wpa_tdls_init(struct wpa_sm *sm); 394void wpa_tdls_teardown_peers(struct wpa_sm *sm); 395void wpa_tdls_deinit(struct wpa_sm *sm); 396void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 397void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 398const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 399int wpa_tdls_is_external_setup(struct wpa_sm *sm); 400 401int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 402 403#endif /* WPA_H */ 404