wpa.h revision 4b9d52f502481b258fec743c03a5e957e5605afc
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 16struct wpa_sm; 17struct eapol_sm; 18struct wpa_config_blob; 19 20struct wpa_sm_ctx { 21 void *ctx; /* pointer to arbitrary upper level context */ 22 void *msg_ctx; /* upper level context for wpa_msg() calls */ 23 24 void (*set_state)(void *ctx, enum wpa_states state); 25 enum wpa_states (*get_state)(void *ctx); 26 void (*deauthenticate)(void * ctx, int reason_code); 27 int (*set_key)(void *ctx, enum wpa_alg alg, 28 const u8 *addr, int key_idx, int set_tx, 29 const u8 *seq, size_t seq_len, 30 const u8 *key, size_t key_len); 31 void * (*get_network_ctx)(void *ctx); 32 int (*get_bssid)(void *ctx, u8 *bssid); 33 int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf, 34 size_t len); 35 int (*get_beacon_ie)(void *ctx); 36 void (*cancel_auth_timeout)(void *ctx); 37 u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len, 38 size_t *msg_len, void **data_pos); 39 int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); 40 int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); 41 void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob); 42 const struct wpa_config_blob * (*get_config_blob)(void *ctx, 43 const char *name); 44 int (*mlme_setprotection)(void *ctx, const u8 *addr, 45 int protection_type, int key_type); 46 int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies, 47 size_t ies_len); 48 int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap, 49 const u8 *ies, size_t ies_len); 50 int (*mark_authenticated)(void *ctx, const u8 *target_ap); 51#ifdef CONFIG_TDLS 52 int (*tdls_get_capa)(void *ctx, int *tdls_supported, 53 int *tdls_ext_setup); 54 int (*send_tdls_mgmt)(void *ctx, const u8 *dst, 55 u8 action_code, u8 dialog_token, 56 u16 status_code, const u8 *buf, size_t len); 57 int (*tdls_oper)(void *ctx, int oper, const u8 *peer); 58 int (*tdls_peer_addset)(void *ctx, const u8 *addr, int add, 59 u16 capability, const u8 *supp_rates, 60 size_t supp_rates_len); 61#endif /* CONFIG_TDLS */ 62 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck, 63 const u8 *replay_ctr); 64}; 65 66 67enum wpa_sm_conf_params { 68 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, 69 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, 70 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, 71 WPA_PARAM_PROTO, 72 WPA_PARAM_PAIRWISE, 73 WPA_PARAM_GROUP, 74 WPA_PARAM_KEY_MGMT, 75 WPA_PARAM_MGMT_GROUP, 76 WPA_PARAM_RSN_ENABLED, 77 WPA_PARAM_MFP 78}; 79 80struct rsn_supp_config { 81 void *network_ctx; 82 int peerkey_enabled; 83 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */ 84 int proactive_key_caching; 85 int eap_workaround; 86 void *eap_conf_ctx; 87 const u8 *ssid; 88 size_t ssid_len; 89 int wpa_ptk_rekey; 90}; 91 92#ifndef CONFIG_NO_WPA 93 94struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 95void wpa_sm_deinit(struct wpa_sm *sm); 96void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 97void wpa_sm_notify_disassoc(struct wpa_sm *sm); 98void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 99void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 100void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 101void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 102void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 103void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 104void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 105 const char *bridge_ifname); 106void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 107int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 108int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 109 size_t *wpa_ie_len); 110int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 111int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 112int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 113 114int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 115 unsigned int value); 116unsigned int wpa_sm_get_param(struct wpa_sm *sm, 117 enum wpa_sm_conf_params param); 118 119int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 120 int verbose); 121 122void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 123 124int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 125 struct wpa_ie_data *data); 126 127void wpa_sm_aborted_cached(struct wpa_sm *sm); 128int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 129 const u8 *buf, size_t len); 130int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 131int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 132void wpa_sm_drop_sa(struct wpa_sm *sm); 133int wpa_sm_has_ptk(struct wpa_sm *sm); 134 135void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 136 137void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 138 139#else /* CONFIG_NO_WPA */ 140 141static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 142{ 143 return (struct wpa_sm *) 1; 144} 145 146static inline void wpa_sm_deinit(struct wpa_sm *sm) 147{ 148} 149 150static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 151{ 152} 153 154static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 155{ 156} 157 158static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 159 size_t pmk_len) 160{ 161} 162 163static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 164{ 165} 166 167static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 168{ 169} 170 171static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 172{ 173} 174 175static inline void wpa_sm_set_config(struct wpa_sm *sm, 176 struct rsn_supp_config *config) 177{ 178} 179 180static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 181{ 182} 183 184static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 185 const char *bridge_ifname) 186{ 187} 188 189static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 190{ 191} 192 193static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 194 size_t len) 195{ 196 return -1; 197} 198 199static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 200 u8 *wpa_ie, 201 size_t *wpa_ie_len) 202{ 203 return -1; 204} 205 206static inline int wpa_sm_set_ap_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_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 213 size_t len) 214{ 215 return -1; 216} 217 218static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 219{ 220 return 0; 221} 222 223static inline int wpa_sm_set_param(struct wpa_sm *sm, 224 enum wpa_sm_conf_params param, 225 unsigned int value) 226{ 227 return -1; 228} 229 230static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 231 enum wpa_sm_conf_params param) 232{ 233 return 0; 234} 235 236static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 237 size_t buflen, int verbose) 238{ 239 return 0; 240} 241 242static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 243 int pairwise) 244{ 245} 246 247static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 248 struct wpa_ie_data *data) 249{ 250 return -1; 251} 252 253static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 254{ 255} 256 257static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 258 const u8 *buf, size_t len) 259{ 260 return -1; 261} 262 263static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 264 struct wpa_ie_data *data) 265{ 266 return -1; 267} 268 269static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 270 size_t len) 271{ 272 return -1; 273} 274 275static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 276{ 277} 278 279static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 280{ 281 return 0; 282} 283 284static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 285 const u8 *replay_ctr) 286{ 287} 288 289static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 290 void *network_ctx) 291{ 292} 293 294#endif /* CONFIG_NO_WPA */ 295 296#ifdef CONFIG_PEERKEY 297int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 298#else /* CONFIG_PEERKEY */ 299static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 300{ 301 return -1; 302} 303#endif /* CONFIG_PEERKEY */ 304 305#ifdef CONFIG_IEEE80211R 306 307int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 308int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 309int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 310 int ft_action, const u8 *target_ap, 311 const u8 *ric_ies, size_t ric_ies_len); 312int wpa_ft_is_completed(struct wpa_sm *sm); 313int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 314 size_t ies_len, const u8 *src_addr); 315int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 316 const u8 *mdie); 317 318#else /* CONFIG_IEEE80211R */ 319 320static inline int 321wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 322{ 323 return 0; 324} 325 326static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 327 const u8 *mdie) 328{ 329 return 0; 330} 331 332static inline int 333wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 334 int ft_action, const u8 *target_ap) 335{ 336 return 0; 337} 338 339static inline int wpa_ft_is_completed(struct wpa_sm *sm) 340{ 341 return 0; 342} 343 344static inline int 345wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 346 const u8 *src_addr) 347{ 348 return -1; 349} 350 351#endif /* CONFIG_IEEE80211R */ 352 353 354/* tdls.c */ 355void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 356void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 357int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 358void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr); 359int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 360int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 361int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 362int wpa_tdls_init(struct wpa_sm *sm); 363void wpa_tdls_deinit(struct wpa_sm *sm); 364void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 365void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 366int wpa_tdls_is_external_setup(struct wpa_sm *sm); 367 368int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf); 369 370#endif /* WPA_H */ 371