wpa.h revision 344abd362cfe2d03ed956666527352826b67bde5
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, const u8 *supp_channels, 66 size_t supp_channels_len, 67 const u8 *supp_oper_classes, 68 size_t supp_oper_classes_len); 69#endif /* CONFIG_TDLS */ 70 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck, 71 const u8 *replay_ctr); 72}; 73 74 75enum wpa_sm_conf_params { 76 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, 77 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, 78 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, 79 WPA_PARAM_PROTO, 80 WPA_PARAM_PAIRWISE, 81 WPA_PARAM_GROUP, 82 WPA_PARAM_KEY_MGMT, 83 WPA_PARAM_MGMT_GROUP, 84 WPA_PARAM_RSN_ENABLED, 85 WPA_PARAM_MFP 86}; 87 88struct rsn_supp_config { 89 void *network_ctx; 90 int peerkey_enabled; 91 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */ 92 int proactive_key_caching; 93 int eap_workaround; 94 void *eap_conf_ctx; 95 const u8 *ssid; 96 size_t ssid_len; 97 int wpa_ptk_rekey; 98}; 99 100#ifndef CONFIG_NO_WPA 101 102struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 103void wpa_sm_deinit(struct wpa_sm *sm); 104void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 105void wpa_sm_notify_disassoc(struct wpa_sm *sm); 106void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 107void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 108void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 109void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 110void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 111void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 112void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 113 const char *bridge_ifname); 114void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 115int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 116int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 117 size_t *wpa_ie_len); 118int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 119int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 120int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 121 122int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 123 unsigned int value); 124unsigned int wpa_sm_get_param(struct wpa_sm *sm, 125 enum wpa_sm_conf_params param); 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); 147 148#else /* CONFIG_NO_WPA */ 149 150static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 151{ 152 return (struct wpa_sm *) 1; 153} 154 155static inline void wpa_sm_deinit(struct wpa_sm *sm) 156{ 157} 158 159static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 160{ 161} 162 163static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 164{ 165} 166 167static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 168 size_t pmk_len) 169{ 170} 171 172static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 173{ 174} 175 176static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 177{ 178} 179 180static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 181{ 182} 183 184static inline void wpa_sm_set_config(struct wpa_sm *sm, 185 struct rsn_supp_config *config) 186{ 187} 188 189static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 190{ 191} 192 193static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 194 const char *bridge_ifname) 195{ 196} 197 198static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 199{ 200} 201 202static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 203 size_t len) 204{ 205 return -1; 206} 207 208static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 209 u8 *wpa_ie, 210 size_t *wpa_ie_len) 211{ 212 return -1; 213} 214 215static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, 216 size_t len) 217{ 218 return -1; 219} 220 221static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 222 size_t len) 223{ 224 return -1; 225} 226 227static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 228{ 229 return 0; 230} 231 232static inline int wpa_sm_set_param(struct wpa_sm *sm, 233 enum wpa_sm_conf_params param, 234 unsigned int value) 235{ 236 return -1; 237} 238 239static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 240 enum wpa_sm_conf_params param) 241{ 242 return 0; 243} 244 245static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 246 size_t buflen, int verbose) 247{ 248 return 0; 249} 250 251static inline int wpa_sm_pmf_enabled(struct wpa_sm *sm) 252{ 253 return 0; 254} 255 256static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 257 int pairwise) 258{ 259} 260 261static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 262 struct wpa_ie_data *data) 263{ 264 return -1; 265} 266 267static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 268{ 269} 270 271static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 272 const u8 *buf, size_t len) 273{ 274 return -1; 275} 276 277static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 278 struct wpa_ie_data *data) 279{ 280 return -1; 281} 282 283static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 284 size_t len) 285{ 286 return -1; 287} 288 289static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 290{ 291} 292 293static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 294{ 295 return 0; 296} 297 298static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 299 const u8 *replay_ctr) 300{ 301} 302 303static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 304 void *network_ctx) 305{ 306} 307 308#endif /* CONFIG_NO_WPA */ 309 310#ifdef CONFIG_PEERKEY 311int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 312int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 313 const u8 *buf, size_t len); 314#else /* CONFIG_PEERKEY */ 315static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 316{ 317 return -1; 318} 319 320static inline int wpa_sm_rx_eapol_peerkey(struct wpa_sm *sm, const u8 *src_addr, 321 const u8 *buf, size_t len) 322{ 323 return 0; 324} 325#endif /* CONFIG_PEERKEY */ 326 327#ifdef CONFIG_IEEE80211R 328 329int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 330int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 331int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 332 int ft_action, const u8 *target_ap, 333 const u8 *ric_ies, size_t ric_ies_len); 334int wpa_ft_is_completed(struct wpa_sm *sm); 335void wpa_reset_ft_completed(struct wpa_sm *sm); 336int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 337 size_t ies_len, const u8 *src_addr); 338int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 339 const u8 *mdie); 340 341#else /* CONFIG_IEEE80211R */ 342 343static inline int 344wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 345{ 346 return 0; 347} 348 349static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 350 const u8 *mdie) 351{ 352 return 0; 353} 354 355static inline int 356wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 357 int ft_action, const u8 *target_ap) 358{ 359 return 0; 360} 361 362static inline int wpa_ft_is_completed(struct wpa_sm *sm) 363{ 364 return 0; 365} 366 367static inline void wpa_reset_ft_completed(struct wpa_sm *sm) 368{ 369} 370 371static inline int 372wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 373 const u8 *src_addr) 374{ 375 return -1; 376} 377 378#endif /* CONFIG_IEEE80211R */ 379 380 381/* tdls.c */ 382void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 383void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 384int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 385void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 386int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 387int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 388int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 389int wpa_tdls_init(struct wpa_sm *sm); 390void wpa_tdls_teardown_peers(struct wpa_sm *sm); 391void wpa_tdls_deinit(struct wpa_sm *sm); 392void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 393void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 394const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr); 395int wpa_tdls_is_external_setup(struct wpa_sm *sm); 396 397int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 398 399#endif /* WPA_H */ 400