wpa.h revision 21de214b4ba4271ca20843f3b8fba9f1501b2a89
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); 126 127int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 128 int verbose); 129int wpa_sm_pmf_enabled(struct wpa_sm *sm); 130 131void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 132 133int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 134 struct wpa_ie_data *data); 135 136void wpa_sm_aborted_cached(struct wpa_sm *sm); 137int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 138 const u8 *buf, size_t len); 139int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 140int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 141void wpa_sm_drop_sa(struct wpa_sm *sm); 142int wpa_sm_has_ptk(struct wpa_sm *sm); 143 144void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 145 146void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 147 148int wpa_sm_get_p2p_ip_addr(struct wpa_sm *sm, u8 *buf); 149 150#else /* CONFIG_NO_WPA */ 151 152static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 153{ 154 return (struct wpa_sm *) 1; 155} 156 157static inline void wpa_sm_deinit(struct wpa_sm *sm) 158{ 159} 160 161static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 162{ 163} 164 165static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 166{ 167} 168 169static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 170 size_t pmk_len) 171{ 172} 173 174static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 175{ 176} 177 178static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 179{ 180} 181 182static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 183{ 184} 185 186static inline void wpa_sm_set_config(struct wpa_sm *sm, 187 struct rsn_supp_config *config) 188{ 189} 190 191static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 192{ 193} 194 195static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 196 const char *bridge_ifname) 197{ 198} 199 200static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 201{ 202} 203 204static 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 210static 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 217static 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 223static 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 229static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 230{ 231 return 0; 232} 233 234static 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 241static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 242 size_t buflen, int verbose) 243{ 244 return 0; 245} 246 247static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 248{ 249 return 0; 250} 251 252static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 253 int pairwise) 254{ 255} 256 257static 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 263static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 264{ 265} 266 267static 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 273static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 274 struct wpa_ie_data *data) 275{ 276 return -1; 277} 278 279static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 280 size_t len) 281{ 282 return -1; 283} 284 285static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 286{ 287} 288 289static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 290{ 291 return 0; 292} 293 294static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 295 const u8 *replay_ctr) 296{ 297} 298 299static 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 307int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 308int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 309 const u8 *buf, size_t len); 310#else /* CONFIG_PEERKEY */ 311static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 312{ 313 return -1; 314} 315 316static 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 325int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 326int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 327int 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); 330int wpa_ft_is_completed(struct wpa_sm *sm); 331void wpa_reset_ft_completed(struct wpa_sm *sm); 332int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 333 size_t ies_len, const u8 *src_addr); 334int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 335 const u8 *mdie); 336 337#else /* CONFIG_IEEE80211R */ 338 339static inline int 340wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 341{ 342 return 0; 343} 344 345static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 346 const u8 *mdie) 347{ 348 return 0; 349} 350 351static inline int 352wpa_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 358static inline int wpa_ft_is_completed(struct wpa_sm *sm) 359{ 360 return 0; 361} 362 363static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 364{ 365} 366 367static inline int 368wpa_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 */ 378void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 379void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 380int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 381void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 382int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 383int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 384int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 385int wpa_tdls_init(struct wpa_sm *sm); 386void wpa_tdls_teardown_peers(struct wpa_sm *sm); 387void wpa_tdls_deinit(struct wpa_sm *sm); 388void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 389void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 390const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 391int wpa_tdls_is_external_setup(struct wpa_sm *sm); 392 393int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 394 395#endif /* WPA_H */ 396