wpa.h revision e0e48dc666fb14a7bb60264ca87463ba7bc1fe0b
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, 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 72enum 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 85struct 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 99struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 100void wpa_sm_deinit(struct wpa_sm *sm); 101void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 102void wpa_sm_notify_disassoc(struct wpa_sm *sm); 103void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 104void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 105void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 106void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 107void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 108void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 109void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 110 const char *bridge_ifname); 111void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 112int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 113int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 114 size_t *wpa_ie_len); 115int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 116int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 117int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 118 119int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 120 unsigned int value); 121unsigned int wpa_sm_get_param(struct wpa_sm *sm, 122 enum wpa_sm_conf_params param); 123 124int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 125 int verbose); 126int wpa_sm_pmf_enabled(struct wpa_sm *sm); 127 128void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 129 130int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 131 struct wpa_ie_data *data); 132 133void wpa_sm_aborted_cached(struct wpa_sm *sm); 134int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 135 const u8 *buf, size_t len); 136int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 137int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 138void wpa_sm_drop_sa(struct wpa_sm *sm); 139int wpa_sm_has_ptk(struct wpa_sm *sm); 140 141void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 142 143void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 144 145#else /* CONFIG_NO_WPA */ 146 147static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 148{ 149 return (struct wpa_sm *) 1; 150} 151 152static inline void wpa_sm_deinit(struct wpa_sm *sm) 153{ 154} 155 156static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 157{ 158} 159 160static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 161{ 162} 163 164static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 165 size_t pmk_len) 166{ 167} 168 169static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 170{ 171} 172 173static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 174{ 175} 176 177static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 178{ 179} 180 181static inline void wpa_sm_set_config(struct wpa_sm *sm, 182 struct rsn_supp_config *config) 183{ 184} 185 186static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 187{ 188} 189 190static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 191 const char *bridge_ifname) 192{ 193} 194 195static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 196{ 197} 198 199static 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 205static 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 212static 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 218static 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 224static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 225{ 226 return 0; 227} 228 229static 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 236static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 237 enum wpa_sm_conf_params param) 238{ 239 return 0; 240} 241 242static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 243 size_t buflen, int verbose) 244{ 245 return 0; 246} 247 248static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 249{ 250 return 0; 251} 252 253static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 254 int pairwise) 255{ 256} 257 258static 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 264static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 265{ 266} 267 268static 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 274static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 275 struct wpa_ie_data *data) 276{ 277 return -1; 278} 279 280static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 281 size_t len) 282{ 283 return -1; 284} 285 286static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 287{ 288} 289 290static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 291{ 292 return 0; 293} 294 295static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 296 const u8 *replay_ctr) 297{ 298} 299 300static 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 308int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 309#else /* CONFIG_PEERKEY */ 310static 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 318int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 319int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 320int 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); 323int wpa_ft_is_completed(struct wpa_sm *sm); 324void wpa_reset_ft_completed(struct wpa_sm *sm); 325int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 326 size_t ies_len, const u8 *src_addr); 327int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 328 const u8 *mdie); 329 330#else /* CONFIG_IEEE80211R */ 331 332static inline int 333wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 334{ 335 return 0; 336} 337 338static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 339 const u8 *mdie) 340{ 341 return 0; 342} 343 344static inline int 345wpa_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 351static inline int wpa_ft_is_completed(struct wpa_sm *sm) 352{ 353 return 0; 354} 355 356static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 357{ 358} 359 360static inline int 361wpa_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 */ 371void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 372void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 373int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 374void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 375int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 376int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 377int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 378int wpa_tdls_init(struct wpa_sm *sm); 379void wpa_tdls_teardown_peers(struct wpa_sm *sm); 380void wpa_tdls_deinit(struct wpa_sm *sm); 381void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 382void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 383const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 384int wpa_tdls_is_external_setup(struct wpa_sm *sm); 385 386int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 387 388#endif /* WPA_H */ 389