1 /* 2 * wpa_supplicant - WPA definitions 3 * Copyright (c) 2003-2007, Jouni Malinen <j (at) 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 16 struct wpa_sm; 17 struct eapol_sm; 18 struct wpa_config_blob; 19 20 struct 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 void (*disassociate)(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, 60 u16 capability, const u8 *supp_rates, 61 size_t supp_rates_len); 62 #endif /* CONFIG_TDLS */ 63 void (*set_rekey_offload)(void *ctx, const u8 *kek, const u8 *kck, 64 const u8 *replay_ctr); 65 }; 66 67 68 enum wpa_sm_conf_params { 69 RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */, 70 RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */, 71 RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */, 72 WPA_PARAM_PROTO, 73 WPA_PARAM_PAIRWISE, 74 WPA_PARAM_GROUP, 75 WPA_PARAM_KEY_MGMT, 76 WPA_PARAM_MGMT_GROUP, 77 WPA_PARAM_RSN_ENABLED, 78 WPA_PARAM_MFP 79 }; 80 81 struct rsn_supp_config { 82 void *network_ctx; 83 int peerkey_enabled; 84 int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */ 85 int proactive_key_caching; 86 int eap_workaround; 87 void *eap_conf_ctx; 88 const u8 *ssid; 89 size_t ssid_len; 90 int wpa_ptk_rekey; 91 }; 92 93 #ifndef CONFIG_NO_WPA 94 95 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 96 void wpa_sm_deinit(struct wpa_sm *sm); 97 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 98 void wpa_sm_notify_disassoc(struct wpa_sm *sm); 99 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 100 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 101 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 102 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 103 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 104 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 105 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 106 const char *bridge_ifname); 107 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 108 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 109 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 110 size_t *wpa_ie_len); 111 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 112 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 113 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 114 115 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 116 unsigned int value); 117 unsigned int wpa_sm_get_param(struct wpa_sm *sm, 118 enum wpa_sm_conf_params param); 119 120 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 121 int verbose); 122 123 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 124 125 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 126 struct wpa_ie_data *data); 127 128 void wpa_sm_aborted_cached(struct wpa_sm *sm); 129 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 130 const u8 *buf, size_t len); 131 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 132 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 133 void wpa_sm_drop_sa(struct wpa_sm *sm); 134 int wpa_sm_has_ptk(struct wpa_sm *sm); 135 136 void wpa_sm_update_replay_ctr(struct wpa_sm *sm, const u8 *replay_ctr); 137 138 void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, void *network_ctx); 139 140 #else /* CONFIG_NO_WPA */ 141 142 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 143 { 144 return (struct wpa_sm *) 1; 145 } 146 147 static inline void wpa_sm_deinit(struct wpa_sm *sm) 148 { 149 } 150 151 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 152 { 153 } 154 155 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 156 { 157 } 158 159 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 160 size_t pmk_len) 161 { 162 } 163 164 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 165 { 166 } 167 168 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 169 { 170 } 171 172 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 173 { 174 } 175 176 static inline void wpa_sm_set_config(struct wpa_sm *sm, 177 struct rsn_supp_config *config) 178 { 179 } 180 181 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 182 { 183 } 184 185 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 186 const char *bridge_ifname) 187 { 188 } 189 190 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 191 { 192 } 193 194 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 195 size_t len) 196 { 197 return -1; 198 } 199 200 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 201 u8 *wpa_ie, 202 size_t *wpa_ie_len) 203 { 204 return -1; 205 } 206 207 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, 208 size_t len) 209 { 210 return -1; 211 } 212 213 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 214 size_t len) 215 { 216 return -1; 217 } 218 219 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 220 { 221 return 0; 222 } 223 224 static inline int wpa_sm_set_param(struct wpa_sm *sm, 225 enum wpa_sm_conf_params param, 226 unsigned int value) 227 { 228 return -1; 229 } 230 231 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 232 enum wpa_sm_conf_params param) 233 { 234 return 0; 235 } 236 237 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 238 size_t buflen, int verbose) 239 { 240 return 0; 241 } 242 243 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 244 int pairwise) 245 { 246 } 247 248 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 249 struct wpa_ie_data *data) 250 { 251 return -1; 252 } 253 254 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 255 { 256 } 257 258 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 259 const u8 *buf, size_t len) 260 { 261 return -1; 262 } 263 264 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 265 struct wpa_ie_data *data) 266 { 267 return -1; 268 } 269 270 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 271 size_t len) 272 { 273 return -1; 274 } 275 276 static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 277 { 278 } 279 280 static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 281 { 282 return 0; 283 } 284 285 static inline void wpa_sm_update_replay_ctr(struct wpa_sm *sm, 286 const u8 *replay_ctr) 287 { 288 } 289 290 static inline void wpa_sm_pmksa_cache_flush(struct wpa_sm *sm, 291 void *network_ctx) 292 { 293 } 294 295 #endif /* CONFIG_NO_WPA */ 296 297 #ifdef CONFIG_PEERKEY 298 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 299 #else /* CONFIG_PEERKEY */ 300 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 301 { 302 return -1; 303 } 304 #endif /* CONFIG_PEERKEY */ 305 306 #ifdef CONFIG_IEEE80211R 307 308 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 309 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 310 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 311 int ft_action, const u8 *target_ap, 312 const u8 *ric_ies, size_t ric_ies_len); 313 int wpa_ft_is_completed(struct wpa_sm *sm); 314 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 315 size_t ies_len, const u8 *src_addr); 316 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 317 const u8 *mdie); 318 319 #else /* CONFIG_IEEE80211R */ 320 321 static inline int 322 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 323 { 324 return 0; 325 } 326 327 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 328 const u8 *mdie) 329 { 330 return 0; 331 } 332 333 static inline int 334 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 335 int ft_action, const u8 *target_ap) 336 { 337 return 0; 338 } 339 340 static inline int wpa_ft_is_completed(struct wpa_sm *sm) 341 { 342 return 0; 343 } 344 345 static inline int 346 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 347 const u8 *src_addr) 348 { 349 return -1; 350 } 351 352 #endif /* CONFIG_IEEE80211R */ 353 354 355 /* tdls.c */ 356 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 357 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 358 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 359 int wpa_tdls_reneg(struct wpa_sm *sm, const u8 *addr); 360 int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 361 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code); 362 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr); 363 int wpa_tdls_init(struct wpa_sm *sm); 364 void wpa_tdls_deinit(struct wpa_sm *sm); 365 void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 366 void wpa_tdls_disable_link(struct wpa_sm *sm, const u8 *addr); 367 int wpa_tdls_is_external_setup(struct wpa_sm *sm); 368 369 #endif /* WPA_H */ 370
