wpa.h revision 8d520ff1dc2da35cdca849e982051b86468016d8
1/* 2 * wpa_supplicant - WPA definitions 3 * Copyright (c) 2003-2007, Jouni Malinen <j@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 22struct wpa_sm; 23struct eapol_sm; 24struct wpa_config_blob; 25 26struct 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 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); 134 135#else /* CONFIG_NO_WPA */ 136 137static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx) 138{ 139 return (struct wpa_sm *) 1; 140} 141 142static inline void wpa_sm_deinit(struct wpa_sm *sm) 143{ 144} 145 146static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid) 147{ 148} 149 150static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm) 151{ 152} 153 154static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, 155 size_t pmk_len) 156{ 157} 158 159static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm) 160{ 161} 162 163static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth) 164{ 165} 166 167static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx) 168{ 169} 170 171static inline void wpa_sm_set_config(struct wpa_sm *sm, 172 struct rsn_supp_config *config) 173{ 174} 175 176static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr) 177{ 178} 179 180static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname, 181 const char *bridge_ifname) 182{ 183} 184 185static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol) 186{ 187} 188 189static 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 195static 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 202static 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 208static 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 214static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen) 215{ 216 return 0; 217} 218 219static 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 226static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm, 227 enum wpa_sm_conf_params param) 228{ 229 return 0; 230} 231 232static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf, 233 size_t buflen, int verbose) 234{ 235 return 0; 236} 237 238static inline void wpa_sm_key_request(struct wpa_sm *sm, int error, 239 int pairwise) 240{ 241} 242 243static 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 249static inline void wpa_sm_aborted_cached(struct wpa_sm *sm) 250{ 251} 252 253static 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 259static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, 260 struct wpa_ie_data *data) 261{ 262 return -1; 263} 264 265static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, 266 size_t len) 267{ 268 return -1; 269} 270 271static inline void wpa_sm_drop_sa(struct wpa_sm *sm) 272{ 273} 274 275static 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 283int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer); 284#else /* CONFIG_PEERKEY */ 285static 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 293int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len); 294int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie); 295int 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); 298int wpa_ft_is_completed(struct wpa_sm *sm); 299int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, 300 size_t ies_len, const u8 *src_addr); 301int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap, 302 const u8 *mdie); 303 304#else /* CONFIG_IEEE80211R */ 305 306static inline int 307wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len) 308{ 309 return 0; 310} 311 312static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm, 313 const u8 *mdie) 314{ 315 return 0; 316} 317 318static inline int 319wpa_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 325static inline int wpa_ft_is_completed(struct wpa_sm *sm) 326{ 327 return 0; 328} 329 330static inline int 331wpa_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 */ 341void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 342void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len); 343int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr); 344int wpa_tdls_reneg(struct wpa_sm *sm, const u8 *addr); 345int wpa_tdls_recv_teardown_notify(struct wpa_sm *sm, const u8 *addr, 346 u16 reason_code); 347int wpa_tdls_init(struct wpa_sm *sm); 348void wpa_tdls_deinit(struct wpa_sm *sm); 349void wpa_tdls_enable(struct wpa_sm *sm, int enabled); 350 351#endif /* WPA_H */ 352