1 /* 2 * wpa_supplicant - WPA definitions 3 * Copyright (c) 2003-2007, Jouni Malinen <j (at) w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #ifndef WPA_H 16 #define WPA_H 17 18 #include "common/defs.h" 19 #include "common/eapol_common.h" 20 #include "common/wpa_common.h" 21 22 struct wpa_sm; 23 struct eapol_sm; 24 struct wpa_config_blob; 25 26 struct wpa_sm_ctx { 27 void *ctx; /* pointer to arbitrary upper level context */ 28 void *msg_ctx; /* upper level context for wpa_msg() calls */ 29 30 void (*set_state)(void *ctx, enum wpa_states state); 31 enum wpa_states (*get_state)(void *ctx); 32 void (*deauthenticate)(void * ctx, int reason_code); 33 void (*disassociate)(void *ctx, int reason_code); 34 int (*set_key)(void *ctx, enum wpa_alg alg, 35 const u8 *addr, int key_idx, int set_tx, 36 const u8 *seq, size_t seq_len, 37 const u8 *key, size_t key_len); 38 void * (*get_network_ctx)(void *ctx); 39 int (*get_bssid)(void *ctx, u8 *bssid); 40 int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf, 41 size_t len); 42 int (*get_beacon_ie)(void *ctx); 43 void (*cancel_auth_timeout)(void *ctx); 44 u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len, 45 size_t *msg_len, void **data_pos); 46 int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); 47 int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid); 48 void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob); 49 const struct wpa_config_blob * (*get_config_blob)(void *ctx, 50 const char *name); 51 int (*mlme_setprotection)(void *ctx, const u8 *addr, 52 int protection_type, int key_type); 53 int (*update_ft_ies)(void *ctx, const u8 *md, const u8 *ies, 54 size_t ies_len); 55 int (*send_ft_action)(void *ctx, u8 action, const u8 *target_ap, 56 const u8 *ies, size_t ies_len); 57 int (*mark_authenticated)(void *ctx, const u8 *target_ap); 58 #ifdef CONFIG_TDLS 59 int (*send_tdls_mgmt)(void *ctx, const u8 *dst, 60 u8 action_code, u8 dialog_token, 61 u16 status_code, const u8 *buf, size_t len); 62 int (*tdls_oper)(void *ctx, int oper, const u8 *peer); 63 #endif /* CONFIG_TDLS */ 64 }; 65 66 67 enum 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 80 struct 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 94 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx); 95 void wpa_sm_deinit(struct wpa_sm *sm); 96 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid); 97 void wpa_sm_notify_disassoc(struct wpa_sm *sm); 98 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len); 99 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm); 100 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth); 101 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx); 102 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config); 103 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr); 104 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 105 const char *bridge_ifname); 106 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol); 107 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 108 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie, 109 size_t *wpa_ie_len); 110 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 111 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len); 112 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen); 113 114 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param, 115 unsigned int value); 116 unsigned int wpa_sm_get_param(struct wpa_sm *sm, 117 enum wpa_sm_conf_params param); 118 119 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen, 120 int verbose); 121 122 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise); 123 124 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 125 struct wpa_ie_data *data); 126 127 void wpa_sm_aborted_cached(struct wpa_sm *sm); 128 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 129 const u8 *buf, size_t len); 130 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data); 131 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len); 132 void wpa_sm_drop_sa(struct wpa_sm *sm); 133 int wpa_sm_has_ptk(struct wpa_sm *sm); 134 135 #else /* CONFIG_NO_WPA */ 136 137 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 138 { 139 return (struct wpa_sm *) 1; 140 } 141 142 static inline void wpa_sm_deinit(struct wpa_sm *sm) 143 { 144 } 145 146 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 147 { 148 } 149 150 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 151 { 152 } 153 154 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 155 size_t pmk_len) 156 { 157 } 158 159 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 160 { 161 } 162 163 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 164 { 165 } 166 167 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 168 { 169 } 170 171 static inline void wpa_sm_set_config(struct wpa_sm *sm, 172 struct rsn_supp_config *config) 173 { 174 } 175 176 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 177 { 178 } 179 180 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 181 const char *bridge_ifname) 182 { 183 } 184 185 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 186 { 187 } 188 189 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, 190 size_t len) 191 { 192 return -1; 193 } 194 195 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, 196 u8 *wpa_ie, 197 size_t *wpa_ie_len) 198 { 199 return -1; 200 } 201 202 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, 203 size_t len) 204 { 205 return -1; 206 } 207 208 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, 209 size_t len) 210 { 211 return -1; 212 } 213 214 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 215 { 216 return 0; 217 } 218 219 static inline int wpa_sm_set_param(struct wpa_sm *sm, 220 enum wpa_sm_conf_params param, 221 unsigned int value) 222 { 223 return -1; 224 } 225 226 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 227 enum wpa_sm_conf_params param) 228 { 229 return 0; 230 } 231 232 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 233 size_t buflen, int verbose) 234 { 235 return 0; 236 } 237 238 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 239 int pairwise) 240 { 241 } 242 243 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, 244 struct wpa_ie_data *data) 245 { 246 return -1; 247 } 248 249 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 250 { 251 } 252 253 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr, 254 const u8 *buf, size_t len) 255 { 256 return -1; 257 } 258 259 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 260 struct wpa_ie_data *data) 261 { 262 return -1; 263 } 264 265 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 266 size_t len) 267 { 268 return -1; 269 } 270 271 static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 272 { 273 } 274 275 static inline int wpa_sm_has_ptk(struct wpa_sm *sm) 276 { 277 return 0; 278 } 279 280 #endif /* CONFIG_NO_WPA */ 281 282 #ifdef CONFIG_PEERKEY 283 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 284 #else /* CONFIG_PEERKEY */ 285 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer) 286 { 287 return -1; 288 } 289 #endif /* CONFIG_PEERKEY */ 290 291 #ifdef CONFIG_IEEE80211R 292 293 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 294 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 295 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 296 int ft_action, const u8 *target_ap, 297 const u8 *ric_ies, size_t ric_ies_len); 298 int wpa_ft_is_completed(struct wpa_sm *sm); 299 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 300 size_t ies_len, const u8 *src_addr); 301 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 302 const u8 *mdie); 303 304 #else /* CONFIG_IEEE80211R */ 305 306 static inline int 307 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 308 { 309 return 0; 310 } 311 312 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 313 const u8 *mdie) 314 { 315 return 0; 316 } 317 318 static inline int 319 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 320 int ft_action, const u8 *target_ap) 321 { 322 return 0; 323 } 324 325 static inline int wpa_ft_is_completed(struct wpa_sm *sm) 326 { 327 return 0; 328 } 329 330 static inline int 331 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len, 332 const u8 *src_addr) 333 { 334 return -1; 335 } 336 337 #endif /* CONFIG_IEEE80211R */ 338 339 340 /* tdls.c */ 341 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 342 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 343 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 344 int wpa_tdls_reneg(struct wpa_sm *sm, const u8 *addr); 345 int wpa_tdls_recv_teardown_notify(struct wpa_sm *sm, const u8 *addr, 346 u16 reason_code); 347 int wpa_tdls_init(struct wpa_sm *sm); 348 void wpa_tdls_deinit(struct wpa_sm *sm); 349 void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 350 351 #endif /* WPA_H */ 352
