1 /* 2 * hostapd / Initialization and configuration 3 * Copyright (c) 2002-2009, 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 HOSTAPD_H 10 #define HOSTAPD_H 11 12 #include "common/defs.h" 13 #include "ap_config.h" 14 15 struct wpa_driver_ops; 16 struct wpa_ctrl_dst; 17 struct radius_server_data; 18 struct upnp_wps_device_sm; 19 struct hostapd_data; 20 struct sta_info; 21 struct hostap_sta_driver_data; 22 struct ieee80211_ht_capabilities; 23 struct full_dynamic_vlan; 24 enum wps_event; 25 union wps_event_data; 26 27 struct hostapd_iface; 28 29 struct hapd_interfaces { 30 int (*reload_config)(struct hostapd_iface *iface); 31 struct hostapd_config * (*config_read_cb)(const char *config_fname); 32 int (*ctrl_iface_init)(struct hostapd_data *hapd); 33 void (*ctrl_iface_deinit)(struct hostapd_data *hapd); 34 int (*for_each_interface)(struct hapd_interfaces *interfaces, 35 int (*cb)(struct hostapd_iface *iface, 36 void *ctx), void *ctx); 37 int (*driver_init)(struct hostapd_iface *iface); 38 39 size_t count; 40 int global_ctrl_sock; 41 char *global_iface_path; 42 char *global_iface_name; 43 gid_t ctrl_iface_group; 44 struct hostapd_iface **iface; 45 }; 46 47 48 struct hostapd_probereq_cb { 49 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid, 50 const u8 *ie, size_t ie_len, int ssi_signal); 51 void *ctx; 52 }; 53 54 #define HOSTAPD_RATE_BASIC 0x00000001 55 56 struct hostapd_rate_data { 57 int rate; /* rate in 100 kbps */ 58 int flags; /* HOSTAPD_RATE_ flags */ 59 }; 60 61 struct hostapd_frame_info { 62 u32 channel; 63 u32 datarate; 64 int ssi_signal; /* dBm */ 65 }; 66 67 68 /** 69 * struct hostapd_data - hostapd per-BSS data structure 70 */ 71 struct hostapd_data { 72 struct hostapd_iface *iface; 73 struct hostapd_config *iconf; 74 struct hostapd_bss_config *conf; 75 int interface_added; /* virtual interface added for this BSS */ 76 77 u8 own_addr[ETH_ALEN]; 78 79 int num_sta; /* number of entries in sta_list */ 80 struct sta_info *sta_list; /* STA info list head */ 81 #define STA_HASH_SIZE 256 82 #define STA_HASH(sta) (sta[5]) 83 struct sta_info *sta_hash[STA_HASH_SIZE]; 84 85 /* 86 * Bitfield for indicating which AIDs are allocated. Only AID values 87 * 1-2007 are used and as such, the bit at index 0 corresponds to AID 88 * 1. 89 */ 90 #define AID_WORDS ((2008 + 31) / 32) 91 u32 sta_aid[AID_WORDS]; 92 93 const struct wpa_driver_ops *driver; 94 void *drv_priv; 95 96 void (*new_assoc_sta_cb)(struct hostapd_data *hapd, 97 struct sta_info *sta, int reassoc); 98 99 void *msg_ctx; /* ctx for wpa_msg() calls */ 100 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */ 101 102 struct radius_client_data *radius; 103 u32 acct_session_id_hi, acct_session_id_lo; 104 struct radius_das_data *radius_das; 105 106 struct iapp_data *iapp; 107 108 struct hostapd_cached_radius_acl *acl_cache; 109 struct hostapd_acl_query_data *acl_queries; 110 111 struct wpa_authenticator *wpa_auth; 112 struct eapol_authenticator *eapol_auth; 113 114 struct rsn_preauth_interface *preauth_iface; 115 time_t michael_mic_failure; 116 int michael_mic_failures; 117 int tkip_countermeasures; 118 119 int ctrl_sock; 120 struct wpa_ctrl_dst *ctrl_dst; 121 122 void *ssl_ctx; 123 void *eap_sim_db_priv; 124 struct radius_server_data *radius_srv; 125 126 int parameter_set_count; 127 128 /* Time Advertisement */ 129 u8 time_update_counter; 130 struct wpabuf *time_adv; 131 132 #ifdef CONFIG_FULL_DYNAMIC_VLAN 133 struct full_dynamic_vlan *full_dynamic_vlan; 134 #endif /* CONFIG_FULL_DYNAMIC_VLAN */ 135 136 struct l2_packet_data *l2; 137 struct wps_context *wps; 138 139 int beacon_set_done; 140 struct wpabuf *wps_beacon_ie; 141 struct wpabuf *wps_probe_resp_ie; 142 #ifdef CONFIG_WPS 143 unsigned int ap_pin_failures; 144 unsigned int ap_pin_failures_consecutive; 145 struct upnp_wps_device_sm *wps_upnp; 146 unsigned int ap_pin_lockout_time; 147 #endif /* CONFIG_WPS */ 148 149 struct hostapd_probereq_cb *probereq_cb; 150 size_t num_probereq_cb; 151 152 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len, 153 int freq); 154 void *public_action_cb_ctx; 155 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len, 156 int freq); 157 void *public_action_cb2_ctx; 158 159 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len, 160 int freq); 161 void *vendor_action_cb_ctx; 162 163 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr, 164 const u8 *uuid_e); 165 void *wps_reg_success_cb_ctx; 166 167 void (*wps_event_cb)(void *ctx, enum wps_event event, 168 union wps_event_data *data); 169 void *wps_event_cb_ctx; 170 171 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr, 172 int authorized, const u8 *p2p_dev_addr); 173 void *sta_authorized_cb_ctx; 174 175 void (*setup_complete_cb)(void *ctx); 176 void *setup_complete_cb_ctx; 177 178 #ifdef CONFIG_P2P 179 struct p2p_data *p2p; 180 struct p2p_group *p2p_group; 181 struct wpabuf *p2p_beacon_ie; 182 struct wpabuf *p2p_probe_resp_ie; 183 184 /* Number of non-P2P association stations */ 185 int num_sta_no_p2p; 186 187 /* Periodic NoA (used only when no non-P2P clients in the group) */ 188 int noa_enabled; 189 int noa_start; 190 int noa_duration; 191 #endif /* CONFIG_P2P */ 192 #ifdef CONFIG_INTERWORKING 193 size_t gas_frag_limit; 194 #endif /* CONFIG_INTERWORKING */ 195 196 #ifdef CONFIG_SQLITE 197 struct hostapd_eap_user tmp_eap_user; 198 #endif /* CONFIG_SQLITE */ 199 200 #ifdef CONFIG_SAE 201 /** Key used for generating SAE anti-clogging tokens */ 202 u8 sae_token_key[8]; 203 os_time_t last_sae_token_key_update; 204 #endif /* CONFIG_SAE */ 205 }; 206 207 208 /** 209 * struct hostapd_iface - hostapd per-interface data structure 210 */ 211 struct hostapd_iface { 212 struct hapd_interfaces *interfaces; 213 void *owner; 214 char *config_fname; 215 struct hostapd_config *conf; 216 217 size_t num_bss; 218 struct hostapd_data **bss; 219 220 int num_ap; /* number of entries in ap_list */ 221 struct ap_info *ap_list; /* AP info list head */ 222 struct ap_info *ap_hash[STA_HASH_SIZE]; 223 224 unsigned int drv_flags; 225 226 /* 227 * A bitmap of supported protocols for probe response offload. See 228 * struct wpa_driver_capa in driver.h 229 */ 230 unsigned int probe_resp_offloads; 231 232 /* extended capabilities supported by the driver */ 233 const u8 *extended_capa, *extended_capa_mask; 234 unsigned int extended_capa_len; 235 236 struct hostapd_hw_modes *hw_features; 237 int num_hw_features; 238 struct hostapd_hw_modes *current_mode; 239 /* Rates that are currently used (i.e., filtered copy of 240 * current_mode->channels */ 241 int num_rates; 242 struct hostapd_rate_data *current_rates; 243 int *basic_rates; 244 int freq; 245 246 u16 hw_flags; 247 248 /* Number of associated Non-ERP stations (i.e., stations using 802.11b 249 * in 802.11g BSS) */ 250 int num_sta_non_erp; 251 252 /* Number of associated stations that do not support Short Slot Time */ 253 int num_sta_no_short_slot_time; 254 255 /* Number of associated stations that do not support Short Preamble */ 256 int num_sta_no_short_preamble; 257 258 int olbc; /* Overlapping Legacy BSS Condition */ 259 260 /* Number of HT associated stations that do not support greenfield */ 261 int num_sta_ht_no_gf; 262 263 /* Number of associated non-HT stations */ 264 int num_sta_no_ht; 265 266 /* Number of HT associated stations 20 MHz */ 267 int num_sta_ht_20mhz; 268 269 /* Overlapping BSS information */ 270 int olbc_ht; 271 272 u16 ht_op_mode; 273 void (*scan_cb)(struct hostapd_iface *iface); 274 }; 275 276 /* hostapd.c */ 277 int hostapd_for_each_interface(struct hapd_interfaces *interfaces, 278 int (*cb)(struct hostapd_iface *iface, 279 void *ctx), void *ctx); 280 int hostapd_reload_config(struct hostapd_iface *iface); 281 struct hostapd_data * 282 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, 283 struct hostapd_config *conf, 284 struct hostapd_bss_config *bss); 285 int hostapd_setup_interface(struct hostapd_iface *iface); 286 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err); 287 void hostapd_interface_deinit(struct hostapd_iface *iface); 288 void hostapd_interface_free(struct hostapd_iface *iface); 289 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, 290 int reassoc); 291 void hostapd_interface_deinit_free(struct hostapd_iface *iface); 292 int hostapd_enable_iface(struct hostapd_iface *hapd_iface); 293 int hostapd_reload_iface(struct hostapd_iface *hapd_iface); 294 int hostapd_disable_iface(struct hostapd_iface *hapd_iface); 295 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf); 296 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf); 297 298 /* utils.c */ 299 int hostapd_register_probereq_cb(struct hostapd_data *hapd, 300 int (*cb)(void *ctx, const u8 *sa, 301 const u8 *da, const u8 *bssid, 302 const u8 *ie, size_t ie_len, 303 int ssi_signal), 304 void *ctx); 305 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr); 306 307 /* drv_callbacks.c (TODO: move to somewhere else?) */ 308 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, 309 const u8 *ie, size_t ielen, int reassoc); 310 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr); 311 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr); 312 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd, 313 const u8 *addr, int reason_code); 314 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, 315 const u8 *bssid, const u8 *ie, size_t ie_len, 316 int ssi_signal); 317 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, 318 int offset); 319 320 const struct hostapd_eap_user * 321 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity, 322 size_t identity_len, int phase2); 323 324 #endif /* HOSTAPD_H */ 325
