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