workbench/network/WirelessManager/src/rsn_supp/wpa.h

   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
  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 };
  59
  60
  61 enum wpa_sm_conf_params {
  62         RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
  63         RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
  64         RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
  65         WPA_PARAM_PROTO,
  66         WPA_PARAM_PAIRWISE,
  67         WPA_PARAM_GROUP,
  68         WPA_PARAM_KEY_MGMT,
  69         WPA_PARAM_MGMT_GROUP,
  70         WPA_PARAM_RSN_ENABLED,
  71         WPA_PARAM_MFP
  72 };
  73
  74 struct rsn_supp_config {
  75         void *network_ctx;
  76         int peerkey_enabled;
  77         int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
  78         int proactive_key_caching;
  79         int eap_workaround;
  80         void *eap_conf_ctx;
  81         const u8 *ssid;
  82         size_t ssid_len;
  83         int wpa_ptk_rekey;
  84 };
  85
  86 #ifndef CONFIG_NO_WPA
  87
  88 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
  89 void wpa_sm_deinit(struct wpa_sm *sm);
  90 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
  91 void wpa_sm_notify_disassoc(struct wpa_sm *sm);
  92 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
  93 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
  94 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
  95 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
  96 void wpa_sm_set_config(struct wpa_sm *sm, struct rsn_supp_config *config);
  97 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
  98 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
  99                        const char *bridge_ifname);
 100 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
 101 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
 102 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
 103                                     size_t *wpa_ie_len);
 104 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
 105 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
 106 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);
 107
 108 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
 109                      unsigned int value);
 110 unsigned int wpa_sm_get_param(struct wpa_sm *sm,
 111                               enum wpa_sm_conf_params param);
 112
 113 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
 114                       int verbose);
 115
 116 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);
 117
 118 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
 119                      struct wpa_ie_data *data);
 120
 121 void wpa_sm_aborted_cached(struct wpa_sm *sm);
 122 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
 123                     const u8 *buf, size_t len);
 124 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);
 125 int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf, size_t len);
 126 void wpa_sm_drop_sa(struct wpa_sm *sm);
 127 int wpa_sm_has_ptk(struct wpa_sm *sm);
 128
 129 #else /* CONFIG_NO_WPA */
 130
 131 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
 132 {
 133         return (struct wpa_sm *) 1;
 134 }
 135
 136 static inline void wpa_sm_deinit(struct wpa_sm *sm)
 137 {
 138 }
 139
 140 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
 141 {
 142 }
 143
 144 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
 145 {
 146 }
 147
 148 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
 149                                   size_t pmk_len)
 150 {
 151 }
 152
 153 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
 154 {
 155 }
 156
 157 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
 158 {
 159 }
 160
 161 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
 162 {
 163 }
 164
 165 static inline void wpa_sm_set_config(struct wpa_sm *sm,
 166                                      struct rsn_supp_config *config)
 167 {
 168 }
 169
 170 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
 171 {
 172 }
 173
 174 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
 175                                      const char *bridge_ifname)
 176 {
 177 }
 178
 179 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
 180 {
 181 }
 182
 183 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
 184                                           size_t len)
 185 {
 186         return -1;
 187 }
 188
 189 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
 190                                                   u8 *wpa_ie,
 191                                                   size_t *wpa_ie_len)
 192 {
 193         return -1;
 194 }
 195
 196 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
 197                                        size_t len)
 198 {
 199         return -1;
 200 }
 201
 202 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
 203                                        size_t len)
 204 {
 205         return -1;
 206 }
 207
 208 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
 209 {
 210         return 0;
 211 }
 212
 213 static inline int wpa_sm_set_param(struct wpa_sm *sm,
 214                                    enum wpa_sm_conf_params param,
 215                                    unsigned int value)
 216 {
 217         return -1;
 218 }
 219
 220 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
 221                                             enum wpa_sm_conf_params param)
 222 {
 223         return 0;
 224 }
 225
 226 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
 227                                     size_t buflen, int verbose)
 228 {
 229         return 0;
 230 }
 231
 232 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
 233                                       int pairwise)
 234 {
 235 }
 236
 237 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
 238                                    struct wpa_ie_data *data)
 239 {
 240         return -1;
 241 }
 242
 243 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
 244 {
 245 }
 246
 247 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
 248                                   const u8 *buf, size_t len)
 249 {
 250         return -1;
 251 }
 252
 253 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
 254                                           struct wpa_ie_data *data)
 255 {
 256         return -1;
 257 }
 258
 259 static inline int wpa_sm_pmksa_cache_list(struct wpa_sm *sm, char *buf,
 260                                           size_t len)
 261 {
 262         return -1;
 263 }
 264
 265 static inline void wpa_sm_drop_sa(struct wpa_sm *sm)
 266 {
 267 }
 268
 269 static inline int wpa_sm_has_ptk(struct wpa_sm *sm)
 270 {
 271         return 0;
 272 }
 273
 274 #endif /* CONFIG_NO_WPA */
 275
 276 #ifdef CONFIG_PEERKEY
 277 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);
 278 #else /* CONFIG_PEERKEY */
 279 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
 280 {
 281         return -1;
 282 }
 283 #endif /* CONFIG_PEERKEY */
 284
 285 #ifdef CONFIG_IEEE80211R
 286
 287 int wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len);
 288 int wpa_ft_prepare_auth_request(struct wpa_sm *sm, const u8 *mdie);
 289 int wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
 290                             int ft_action, const u8 *target_ap,
 291                             const u8 *ric_ies, size_t ric_ies_len);
 292 int wpa_ft_is_completed(struct wpa_sm *sm);
 293 int wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies,
 294                                  size_t ies_len, const u8 *src_addr);
 295 int wpa_ft_start_over_ds(struct wpa_sm *sm, const u8 *target_ap,
 296                          const u8 *mdie);
 297
 298 #else /* CONFIG_IEEE80211R */
 299
 300 static inline int
 301 wpa_sm_set_ft_params(struct wpa_sm *sm, const u8 *ies, size_t ies_len)
 302 {
 303         return 0;
 304 }
 305
 306 static inline int wpa_ft_prepare_auth_request(struct wpa_sm *sm,
 307                                               const u8 *mdie)
 308 {
 309         return 0;
 310 }
 311
 312 static inline int
 313 wpa_ft_process_response(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
 314                         int ft_action, const u8 *target_ap)
 315 {
 316         return 0;
 317 }
 318
 319 static inline int wpa_ft_is_completed(struct wpa_sm *sm)
 320 {
 321         return 0;
 322 }
 323
 324 static inline int
 325 wpa_ft_validate_reassoc_resp(struct wpa_sm *sm, const u8 *ies, size_t ies_len,
 326                              const u8 *src_addr)
 327 {
 328         return -1;
 329 }
 330
 331 #endif /* CONFIG_IEEE80211R */
 332
 333 #endif /* WPA_H */