hostapd.h revision 0ccb66edb8d2a0a397320ace3ec2a03fb0d00d5f
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 gid_t ctrl_iface_group; 44 struct hostapd_iface **iface; 45}; 46 47 48struct 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 56struct hostapd_rate_data { 57 int rate; /* rate in 100 kbps */ 58 int flags; /* HOSTAPD_RATE_ flags */ 59}; 60 61struct 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 */ 71struct 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 */ 211struct 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 struct ap_info *ap_iter_list; 224 225 unsigned int drv_flags; 226 227 /* 228 * A bitmap of supported protocols for probe response offload. See 229 * struct wpa_driver_capa in driver.h 230 */ 231 unsigned int probe_resp_offloads; 232 233 struct hostapd_hw_modes *hw_features; 234 int num_hw_features; 235 struct hostapd_hw_modes *current_mode; 236 /* Rates that are currently used (i.e., filtered copy of 237 * current_mode->channels */ 238 int num_rates; 239 struct hostapd_rate_data *current_rates; 240 int *basic_rates; 241 int freq; 242 243 u16 hw_flags; 244 245 /* Number of associated Non-ERP stations (i.e., stations using 802.11b 246 * in 802.11g BSS) */ 247 int num_sta_non_erp; 248 249 /* Number of associated stations that do not support Short Slot Time */ 250 int num_sta_no_short_slot_time; 251 252 /* Number of associated stations that do not support Short Preamble */ 253 int num_sta_no_short_preamble; 254 255 int olbc; /* Overlapping Legacy BSS Condition */ 256 257 /* Number of HT associated stations that do not support greenfield */ 258 int num_sta_ht_no_gf; 259 260 /* Number of associated non-HT stations */ 261 int num_sta_no_ht; 262 263 /* Number of HT associated stations 20 MHz */ 264 int num_sta_ht_20mhz; 265 266 /* Overlapping BSS information */ 267 int olbc_ht; 268 269 u16 ht_op_mode; 270 void (*scan_cb)(struct hostapd_iface *iface); 271}; 272 273/* hostapd.c */ 274int hostapd_for_each_interface(struct hapd_interfaces *interfaces, 275 int (*cb)(struct hostapd_iface *iface, 276 void *ctx), void *ctx); 277int hostapd_reload_config(struct hostapd_iface *iface); 278struct hostapd_data * 279hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, 280 struct hostapd_config *conf, 281 struct hostapd_bss_config *bss); 282int hostapd_setup_interface(struct hostapd_iface *iface); 283int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err); 284void hostapd_interface_deinit(struct hostapd_iface *iface); 285void hostapd_interface_free(struct hostapd_iface *iface); 286void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, 287 int reassoc); 288void hostapd_interface_deinit_free(struct hostapd_iface *iface); 289int hostapd_enable_iface(struct hostapd_iface *hapd_iface); 290int hostapd_reload_iface(struct hostapd_iface *hapd_iface); 291int hostapd_disable_iface(struct hostapd_iface *hapd_iface); 292int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf); 293int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf); 294 295/* utils.c */ 296int hostapd_register_probereq_cb(struct hostapd_data *hapd, 297 int (*cb)(void *ctx, const u8 *sa, 298 const u8 *da, const u8 *bssid, 299 const u8 *ie, size_t ie_len, 300 int ssi_signal), 301 void *ctx); 302void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr); 303 304/* drv_callbacks.c (TODO: move to somewhere else?) */ 305int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, 306 const u8 *ie, size_t ielen, int reassoc); 307void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr); 308void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr); 309void hostapd_event_connect_failed_reason(struct hostapd_data *hapd, 310 const u8 *addr, int reason_code); 311int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, 312 const u8 *bssid, const u8 *ie, size_t ie_len, 313 int ssi_signal); 314void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, 315 int offset); 316 317const struct hostapd_eap_user * 318hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity, 319 size_t identity_len, int phase2); 320 321#endif /* HOSTAPD_H */ 322