ieee802_11_shared.c revision 337817
1252190Srpaulo/* 2252190Srpaulo * hostapd / IEEE 802.11 Management 3252190Srpaulo * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> 4252190Srpaulo * 5252190Srpaulo * This software may be distributed under the terms of the BSD license. 6252190Srpaulo * See README for more details. 7252190Srpaulo */ 8252190Srpaulo 9252190Srpaulo#include "utils/includes.h" 10252190Srpaulo 11252190Srpaulo#include "utils/common.h" 12252190Srpaulo#include "common/ieee802_11_defs.h" 13252190Srpaulo#include "hostapd.h" 14252190Srpaulo#include "sta_info.h" 15252190Srpaulo#include "ap_config.h" 16252190Srpaulo#include "ap_drv_ops.h" 17252190Srpaulo#include "ieee802_11.h" 18252190Srpaulo 19252190Srpaulo 20252190Srpaulo#ifdef CONFIG_IEEE80211W 21252190Srpaulo 22252190Srpaulou8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd, 23252190Srpaulo struct sta_info *sta, u8 *eid) 24252190Srpaulo{ 25252190Srpaulo u8 *pos = eid; 26252190Srpaulo u32 timeout, tu; 27281806Srpaulo struct os_reltime now, passed; 28252190Srpaulo 29252190Srpaulo *pos++ = WLAN_EID_TIMEOUT_INTERVAL; 30252190Srpaulo *pos++ = 5; 31252190Srpaulo *pos++ = WLAN_TIMEOUT_ASSOC_COMEBACK; 32281806Srpaulo os_get_reltime(&now); 33281806Srpaulo os_reltime_sub(&now, &sta->sa_query_start, &passed); 34252190Srpaulo tu = (passed.sec * 1000000 + passed.usec) / 1024; 35252190Srpaulo if (hapd->conf->assoc_sa_query_max_timeout > tu) 36252190Srpaulo timeout = hapd->conf->assoc_sa_query_max_timeout - tu; 37252190Srpaulo else 38252190Srpaulo timeout = 0; 39252190Srpaulo if (timeout < hapd->conf->assoc_sa_query_max_timeout) 40252190Srpaulo timeout++; /* add some extra time for local timers */ 41252190Srpaulo WPA_PUT_LE32(pos, timeout); 42252190Srpaulo pos += 4; 43252190Srpaulo 44252190Srpaulo return pos; 45252190Srpaulo} 46252190Srpaulo 47252190Srpaulo 48252190Srpaulo/* MLME-SAQuery.request */ 49252190Srpaulovoid ieee802_11_send_sa_query_req(struct hostapd_data *hapd, 50252190Srpaulo const u8 *addr, const u8 *trans_id) 51252190Srpaulo{ 52252190Srpaulo struct ieee80211_mgmt mgmt; 53252190Srpaulo u8 *end; 54252190Srpaulo 55252190Srpaulo wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Request to " 56252190Srpaulo MACSTR, MAC2STR(addr)); 57252190Srpaulo wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID", 58252190Srpaulo trans_id, WLAN_SA_QUERY_TR_ID_LEN); 59252190Srpaulo 60252190Srpaulo os_memset(&mgmt, 0, sizeof(mgmt)); 61252190Srpaulo mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 62252190Srpaulo WLAN_FC_STYPE_ACTION); 63252190Srpaulo os_memcpy(mgmt.da, addr, ETH_ALEN); 64252190Srpaulo os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN); 65252190Srpaulo os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN); 66252190Srpaulo mgmt.u.action.category = WLAN_ACTION_SA_QUERY; 67252190Srpaulo mgmt.u.action.u.sa_query_req.action = WLAN_SA_QUERY_REQUEST; 68252190Srpaulo os_memcpy(mgmt.u.action.u.sa_query_req.trans_id, trans_id, 69252190Srpaulo WLAN_SA_QUERY_TR_ID_LEN); 70252190Srpaulo end = mgmt.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN; 71252190Srpaulo if (hostapd_drv_send_mlme(hapd, &mgmt, end - (u8 *) &mgmt, 0) < 0) 72281806Srpaulo wpa_printf(MSG_INFO, "ieee802_11_send_sa_query_req: send failed"); 73252190Srpaulo} 74252190Srpaulo 75252190Srpaulo 76252190Srpaulostatic void ieee802_11_send_sa_query_resp(struct hostapd_data *hapd, 77252190Srpaulo const u8 *sa, const u8 *trans_id) 78252190Srpaulo{ 79252190Srpaulo struct sta_info *sta; 80252190Srpaulo struct ieee80211_mgmt resp; 81252190Srpaulo u8 *end; 82252190Srpaulo 83252190Srpaulo wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Request from " 84252190Srpaulo MACSTR, MAC2STR(sa)); 85252190Srpaulo wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID", 86252190Srpaulo trans_id, WLAN_SA_QUERY_TR_ID_LEN); 87252190Srpaulo 88252190Srpaulo sta = ap_get_sta(hapd, sa); 89252190Srpaulo if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) { 90252190Srpaulo wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignore SA Query Request " 91252190Srpaulo "from unassociated STA " MACSTR, MAC2STR(sa)); 92252190Srpaulo return; 93252190Srpaulo } 94252190Srpaulo 95252190Srpaulo wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Response to " 96252190Srpaulo MACSTR, MAC2STR(sa)); 97252190Srpaulo 98252190Srpaulo os_memset(&resp, 0, sizeof(resp)); 99252190Srpaulo resp.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 100252190Srpaulo WLAN_FC_STYPE_ACTION); 101252190Srpaulo os_memcpy(resp.da, sa, ETH_ALEN); 102252190Srpaulo os_memcpy(resp.sa, hapd->own_addr, ETH_ALEN); 103252190Srpaulo os_memcpy(resp.bssid, hapd->own_addr, ETH_ALEN); 104252190Srpaulo resp.u.action.category = WLAN_ACTION_SA_QUERY; 105252190Srpaulo resp.u.action.u.sa_query_req.action = WLAN_SA_QUERY_RESPONSE; 106252190Srpaulo os_memcpy(resp.u.action.u.sa_query_req.trans_id, trans_id, 107252190Srpaulo WLAN_SA_QUERY_TR_ID_LEN); 108252190Srpaulo end = resp.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN; 109252190Srpaulo if (hostapd_drv_send_mlme(hapd, &resp, end - (u8 *) &resp, 0) < 0) 110281806Srpaulo wpa_printf(MSG_INFO, "ieee80211_mgmt_sa_query_request: send failed"); 111252190Srpaulo} 112252190Srpaulo 113252190Srpaulo 114252190Srpaulovoid ieee802_11_sa_query_action(struct hostapd_data *hapd, const u8 *sa, 115252190Srpaulo const u8 action_type, const u8 *trans_id) 116252190Srpaulo{ 117252190Srpaulo struct sta_info *sta; 118252190Srpaulo int i; 119252190Srpaulo 120252190Srpaulo if (action_type == WLAN_SA_QUERY_REQUEST) { 121252190Srpaulo ieee802_11_send_sa_query_resp(hapd, sa, trans_id); 122252190Srpaulo return; 123252190Srpaulo } 124252190Srpaulo 125252190Srpaulo if (action_type != WLAN_SA_QUERY_RESPONSE) { 126252190Srpaulo wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected SA Query " 127252190Srpaulo "Action %d", action_type); 128252190Srpaulo return; 129252190Srpaulo } 130252190Srpaulo 131252190Srpaulo wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Response from " 132252190Srpaulo MACSTR, MAC2STR(sa)); 133252190Srpaulo wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID", 134252190Srpaulo trans_id, WLAN_SA_QUERY_TR_ID_LEN); 135252190Srpaulo 136252190Srpaulo /* MLME-SAQuery.confirm */ 137252190Srpaulo 138252190Srpaulo sta = ap_get_sta(hapd, sa); 139252190Srpaulo if (sta == NULL || sta->sa_query_trans_id == NULL) { 140252190Srpaulo wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with " 141252190Srpaulo "pending SA Query request found"); 142252190Srpaulo return; 143252190Srpaulo } 144252190Srpaulo 145252190Srpaulo for (i = 0; i < sta->sa_query_count; i++) { 146252190Srpaulo if (os_memcmp(sta->sa_query_trans_id + 147252190Srpaulo i * WLAN_SA_QUERY_TR_ID_LEN, 148252190Srpaulo trans_id, WLAN_SA_QUERY_TR_ID_LEN) == 0) 149252190Srpaulo break; 150252190Srpaulo } 151252190Srpaulo 152252190Srpaulo if (i >= sta->sa_query_count) { 153252190Srpaulo wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching SA Query " 154252190Srpaulo "transaction identifier found"); 155252190Srpaulo return; 156252190Srpaulo } 157252190Srpaulo 158252190Srpaulo hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, 159252190Srpaulo HOSTAPD_LEVEL_DEBUG, 160252190Srpaulo "Reply to pending SA Query received"); 161252190Srpaulo ap_sta_stop_sa_query(hapd, sta); 162252190Srpaulo} 163252190Srpaulo 164252190Srpaulo#endif /* CONFIG_IEEE80211W */ 165252190Srpaulo 166252190Srpaulo 167281806Srpaulostatic void hostapd_ext_capab_byte(struct hostapd_data *hapd, u8 *pos, int idx) 168281806Srpaulo{ 169281806Srpaulo *pos = 0x00; 170281806Srpaulo 171281806Srpaulo switch (idx) { 172281806Srpaulo case 0: /* Bits 0-7 */ 173281806Srpaulo if (hapd->iconf->obss_interval) 174281806Srpaulo *pos |= 0x01; /* Bit 0 - Coexistence management */ 175337817Scy if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_CSA) 176337817Scy *pos |= 0x04; /* Bit 2 - Extended Channel Switching */ 177281806Srpaulo break; 178281806Srpaulo case 1: /* Bits 8-15 */ 179281806Srpaulo if (hapd->conf->proxy_arp) 180281806Srpaulo *pos |= 0x10; /* Bit 12 - Proxy ARP */ 181281806Srpaulo break; 182281806Srpaulo case 2: /* Bits 16-23 */ 183281806Srpaulo if (hapd->conf->wnm_sleep_mode) 184281806Srpaulo *pos |= 0x02; /* Bit 17 - WNM-Sleep Mode */ 185281806Srpaulo if (hapd->conf->bss_transition) 186281806Srpaulo *pos |= 0x08; /* Bit 19 - BSS Transition */ 187281806Srpaulo break; 188281806Srpaulo case 3: /* Bits 24-31 */ 189281806Srpaulo#ifdef CONFIG_WNM 190281806Srpaulo *pos |= 0x02; /* Bit 25 - SSID List */ 191281806Srpaulo#endif /* CONFIG_WNM */ 192281806Srpaulo if (hapd->conf->time_advertisement == 2) 193281806Srpaulo *pos |= 0x08; /* Bit 27 - UTC TSF Offset */ 194281806Srpaulo if (hapd->conf->interworking) 195281806Srpaulo *pos |= 0x80; /* Bit 31 - Interworking */ 196281806Srpaulo break; 197281806Srpaulo case 4: /* Bits 32-39 */ 198281806Srpaulo if (hapd->conf->qos_map_set_len) 199281806Srpaulo *pos |= 0x01; /* Bit 32 - QoS Map */ 200281806Srpaulo if (hapd->conf->tdls & TDLS_PROHIBIT) 201281806Srpaulo *pos |= 0x40; /* Bit 38 - TDLS Prohibited */ 202281806Srpaulo if (hapd->conf->tdls & TDLS_PROHIBIT_CHAN_SWITCH) { 203281806Srpaulo /* Bit 39 - TDLS Channel Switching Prohibited */ 204281806Srpaulo *pos |= 0x80; 205281806Srpaulo } 206281806Srpaulo break; 207281806Srpaulo case 5: /* Bits 40-47 */ 208281806Srpaulo#ifdef CONFIG_HS20 209281806Srpaulo if (hapd->conf->hs20) 210281806Srpaulo *pos |= 0x40; /* Bit 46 - WNM-Notification */ 211281806Srpaulo#endif /* CONFIG_HS20 */ 212337817Scy#ifdef CONFIG_MBO 213337817Scy if (hapd->conf->mbo_enabled) 214337817Scy *pos |= 0x40; /* Bit 46 - WNM-Notification */ 215337817Scy#endif /* CONFIG_MBO */ 216281806Srpaulo break; 217281806Srpaulo case 6: /* Bits 48-55 */ 218281806Srpaulo if (hapd->conf->ssid.utf8_ssid) 219281806Srpaulo *pos |= 0x01; /* Bit 48 - UTF-8 SSID */ 220281806Srpaulo break; 221337817Scy case 8: /* Bits 64-71 */ 222337817Scy if (hapd->conf->ftm_responder) 223337817Scy *pos |= 0x40; /* Bit 70 - FTM responder */ 224337817Scy if (hapd->conf->ftm_initiator) 225337817Scy *pos |= 0x80; /* Bit 71 - FTM initiator */ 226337817Scy break; 227281806Srpaulo } 228281806Srpaulo} 229281806Srpaulo 230281806Srpaulo 231252190Srpaulou8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid) 232252190Srpaulo{ 233252190Srpaulo u8 *pos = eid; 234281806Srpaulo u8 len = 0, i; 235252190Srpaulo 236252190Srpaulo if (hapd->conf->tdls & (TDLS_PROHIBIT | TDLS_PROHIBIT_CHAN_SWITCH)) 237252190Srpaulo len = 5; 238252190Srpaulo if (len < 4 && hapd->conf->interworking) 239252190Srpaulo len = 4; 240252190Srpaulo if (len < 3 && hapd->conf->wnm_sleep_mode) 241252190Srpaulo len = 3; 242281806Srpaulo if (len < 1 && hapd->iconf->obss_interval) 243281806Srpaulo len = 1; 244252190Srpaulo if (len < 7 && hapd->conf->ssid.utf8_ssid) 245252190Srpaulo len = 7; 246337817Scy if (len < 9 && 247337817Scy (hapd->conf->ftm_initiator || hapd->conf->ftm_responder)) 248337817Scy len = 9; 249252190Srpaulo#ifdef CONFIG_WNM 250252190Srpaulo if (len < 4) 251252190Srpaulo len = 4; 252252190Srpaulo#endif /* CONFIG_WNM */ 253281806Srpaulo#ifdef CONFIG_HS20 254281806Srpaulo if (hapd->conf->hs20 && len < 6) 255281806Srpaulo len = 6; 256281806Srpaulo#endif /* CONFIG_HS20 */ 257337817Scy#ifdef CONFIG_MBO 258337817Scy if (hapd->conf->mbo_enabled && len < 6) 259337817Scy len = 6; 260337817Scy#endif /* CONFIG_MBO */ 261281806Srpaulo if (len < hapd->iface->extended_capa_len) 262281806Srpaulo len = hapd->iface->extended_capa_len; 263252190Srpaulo if (len == 0) 264252190Srpaulo return eid; 265252190Srpaulo 266252190Srpaulo *pos++ = WLAN_EID_EXT_CAPAB; 267252190Srpaulo *pos++ = len; 268281806Srpaulo for (i = 0; i < len; i++, pos++) { 269281806Srpaulo hostapd_ext_capab_byte(hapd, pos, i); 270252190Srpaulo 271281806Srpaulo if (i < hapd->iface->extended_capa_len) { 272281806Srpaulo *pos &= ~hapd->iface->extended_capa_mask[i]; 273281806Srpaulo *pos |= hapd->iface->extended_capa[i]; 274281806Srpaulo } 275281806Srpaulo } 276252190Srpaulo 277281806Srpaulo while (len > 0 && eid[1 + len] == 0) { 278281806Srpaulo len--; 279281806Srpaulo eid[1] = len; 280281806Srpaulo } 281281806Srpaulo if (len == 0) 282281806Srpaulo return eid; 283252190Srpaulo 284281806Srpaulo return eid + 2 + len; 285281806Srpaulo} 286252190Srpaulo 287252190Srpaulo 288281806Srpaulou8 * hostapd_eid_qos_map_set(struct hostapd_data *hapd, u8 *eid) 289281806Srpaulo{ 290281806Srpaulo u8 *pos = eid; 291281806Srpaulo u8 len = hapd->conf->qos_map_set_len; 292252190Srpaulo 293281806Srpaulo if (!len) 294281806Srpaulo return eid; 295281806Srpaulo 296281806Srpaulo *pos++ = WLAN_EID_QOS_MAP_SET; 297281806Srpaulo *pos++ = len; 298281806Srpaulo os_memcpy(pos, hapd->conf->qos_map_set, len); 299281806Srpaulo pos += len; 300281806Srpaulo 301252190Srpaulo return pos; 302252190Srpaulo} 303252190Srpaulo 304252190Srpaulo 305252190Srpaulou8 * hostapd_eid_interworking(struct hostapd_data *hapd, u8 *eid) 306252190Srpaulo{ 307252190Srpaulo u8 *pos = eid; 308252190Srpaulo#ifdef CONFIG_INTERWORKING 309252190Srpaulo u8 *len; 310252190Srpaulo 311252190Srpaulo if (!hapd->conf->interworking) 312252190Srpaulo return eid; 313252190Srpaulo 314252190Srpaulo *pos++ = WLAN_EID_INTERWORKING; 315252190Srpaulo len = pos++; 316252190Srpaulo 317252190Srpaulo *pos = hapd->conf->access_network_type; 318252190Srpaulo if (hapd->conf->internet) 319252190Srpaulo *pos |= INTERWORKING_ANO_INTERNET; 320252190Srpaulo if (hapd->conf->asra) 321252190Srpaulo *pos |= INTERWORKING_ANO_ASRA; 322252190Srpaulo if (hapd->conf->esr) 323252190Srpaulo *pos |= INTERWORKING_ANO_ESR; 324252190Srpaulo if (hapd->conf->uesa) 325252190Srpaulo *pos |= INTERWORKING_ANO_UESA; 326252190Srpaulo pos++; 327252190Srpaulo 328252190Srpaulo if (hapd->conf->venue_info_set) { 329252190Srpaulo *pos++ = hapd->conf->venue_group; 330252190Srpaulo *pos++ = hapd->conf->venue_type; 331252190Srpaulo } 332252190Srpaulo 333252190Srpaulo if (!is_zero_ether_addr(hapd->conf->hessid)) { 334252190Srpaulo os_memcpy(pos, hapd->conf->hessid, ETH_ALEN); 335252190Srpaulo pos += ETH_ALEN; 336252190Srpaulo } 337252190Srpaulo 338252190Srpaulo *len = pos - len - 1; 339252190Srpaulo#endif /* CONFIG_INTERWORKING */ 340252190Srpaulo 341252190Srpaulo return pos; 342252190Srpaulo} 343252190Srpaulo 344252190Srpaulo 345252190Srpaulou8 * hostapd_eid_adv_proto(struct hostapd_data *hapd, u8 *eid) 346252190Srpaulo{ 347252190Srpaulo u8 *pos = eid; 348252190Srpaulo#ifdef CONFIG_INTERWORKING 349252190Srpaulo 350252190Srpaulo /* TODO: Separate configuration for ANQP? */ 351252190Srpaulo if (!hapd->conf->interworking) 352252190Srpaulo return eid; 353252190Srpaulo 354252190Srpaulo *pos++ = WLAN_EID_ADV_PROTO; 355252190Srpaulo *pos++ = 2; 356252190Srpaulo *pos++ = 0x7F; /* Query Response Length Limit | PAME-BI */ 357252190Srpaulo *pos++ = ACCESS_NETWORK_QUERY_PROTOCOL; 358252190Srpaulo#endif /* CONFIG_INTERWORKING */ 359252190Srpaulo 360252190Srpaulo return pos; 361252190Srpaulo} 362252190Srpaulo 363252190Srpaulo 364252190Srpaulou8 * hostapd_eid_roaming_consortium(struct hostapd_data *hapd, u8 *eid) 365252190Srpaulo{ 366252190Srpaulo u8 *pos = eid; 367252190Srpaulo#ifdef CONFIG_INTERWORKING 368252190Srpaulo u8 *len; 369252190Srpaulo unsigned int i, count; 370252190Srpaulo 371252190Srpaulo if (!hapd->conf->interworking || 372252190Srpaulo hapd->conf->roaming_consortium == NULL || 373252190Srpaulo hapd->conf->roaming_consortium_count == 0) 374252190Srpaulo return eid; 375252190Srpaulo 376252190Srpaulo *pos++ = WLAN_EID_ROAMING_CONSORTIUM; 377252190Srpaulo len = pos++; 378252190Srpaulo 379252190Srpaulo /* Number of ANQP OIs (in addition to the max 3 listed here) */ 380252190Srpaulo if (hapd->conf->roaming_consortium_count > 3 + 255) 381252190Srpaulo *pos++ = 255; 382252190Srpaulo else if (hapd->conf->roaming_consortium_count > 3) 383252190Srpaulo *pos++ = hapd->conf->roaming_consortium_count - 3; 384252190Srpaulo else 385252190Srpaulo *pos++ = 0; 386252190Srpaulo 387252190Srpaulo /* OU #1 and #2 Lengths */ 388252190Srpaulo *pos = hapd->conf->roaming_consortium[0].len; 389252190Srpaulo if (hapd->conf->roaming_consortium_count > 1) 390252190Srpaulo *pos |= hapd->conf->roaming_consortium[1].len << 4; 391252190Srpaulo pos++; 392252190Srpaulo 393252190Srpaulo if (hapd->conf->roaming_consortium_count > 3) 394252190Srpaulo count = 3; 395252190Srpaulo else 396252190Srpaulo count = hapd->conf->roaming_consortium_count; 397252190Srpaulo 398252190Srpaulo for (i = 0; i < count; i++) { 399252190Srpaulo os_memcpy(pos, hapd->conf->roaming_consortium[i].oi, 400252190Srpaulo hapd->conf->roaming_consortium[i].len); 401252190Srpaulo pos += hapd->conf->roaming_consortium[i].len; 402252190Srpaulo } 403252190Srpaulo 404252190Srpaulo *len = pos - len - 1; 405252190Srpaulo#endif /* CONFIG_INTERWORKING */ 406252190Srpaulo 407252190Srpaulo return pos; 408252190Srpaulo} 409252190Srpaulo 410252190Srpaulo 411252190Srpaulou8 * hostapd_eid_time_adv(struct hostapd_data *hapd, u8 *eid) 412252190Srpaulo{ 413252190Srpaulo if (hapd->conf->time_advertisement != 2) 414252190Srpaulo return eid; 415252190Srpaulo 416252190Srpaulo if (hapd->time_adv == NULL && 417252190Srpaulo hostapd_update_time_adv(hapd) < 0) 418252190Srpaulo return eid; 419252190Srpaulo 420252190Srpaulo if (hapd->time_adv == NULL) 421252190Srpaulo return eid; 422252190Srpaulo 423252190Srpaulo os_memcpy(eid, wpabuf_head(hapd->time_adv), 424252190Srpaulo wpabuf_len(hapd->time_adv)); 425252190Srpaulo eid += wpabuf_len(hapd->time_adv); 426252190Srpaulo 427252190Srpaulo return eid; 428252190Srpaulo} 429252190Srpaulo 430252190Srpaulo 431252190Srpaulou8 * hostapd_eid_time_zone(struct hostapd_data *hapd, u8 *eid) 432252190Srpaulo{ 433252190Srpaulo size_t len; 434252190Srpaulo 435252190Srpaulo if (hapd->conf->time_advertisement != 2) 436252190Srpaulo return eid; 437252190Srpaulo 438252190Srpaulo len = os_strlen(hapd->conf->time_zone); 439252190Srpaulo 440252190Srpaulo *eid++ = WLAN_EID_TIME_ZONE; 441252190Srpaulo *eid++ = len; 442252190Srpaulo os_memcpy(eid, hapd->conf->time_zone, len); 443252190Srpaulo eid += len; 444252190Srpaulo 445252190Srpaulo return eid; 446252190Srpaulo} 447252190Srpaulo 448252190Srpaulo 449252190Srpauloint hostapd_update_time_adv(struct hostapd_data *hapd) 450252190Srpaulo{ 451252190Srpaulo const int elen = 2 + 1 + 10 + 5 + 1; 452252190Srpaulo struct os_time t; 453252190Srpaulo struct os_tm tm; 454252190Srpaulo u8 *pos; 455252190Srpaulo 456252190Srpaulo if (hapd->conf->time_advertisement != 2) 457252190Srpaulo return 0; 458252190Srpaulo 459252190Srpaulo if (os_get_time(&t) < 0 || os_gmtime(t.sec, &tm) < 0) 460252190Srpaulo return -1; 461252190Srpaulo 462252190Srpaulo if (!hapd->time_adv) { 463252190Srpaulo hapd->time_adv = wpabuf_alloc(elen); 464252190Srpaulo if (hapd->time_adv == NULL) 465252190Srpaulo return -1; 466252190Srpaulo pos = wpabuf_put(hapd->time_adv, elen); 467252190Srpaulo } else 468252190Srpaulo pos = wpabuf_mhead_u8(hapd->time_adv); 469252190Srpaulo 470252190Srpaulo *pos++ = WLAN_EID_TIME_ADVERTISEMENT; 471252190Srpaulo *pos++ = 1 + 10 + 5 + 1; 472252190Srpaulo 473252190Srpaulo *pos++ = 2; /* UTC time at which the TSF timer is 0 */ 474252190Srpaulo 475252190Srpaulo /* Time Value at TSF 0 */ 476252190Srpaulo /* FIX: need to calculate this based on the current TSF value */ 477252190Srpaulo WPA_PUT_LE16(pos, tm.year); /* Year */ 478252190Srpaulo pos += 2; 479252190Srpaulo *pos++ = tm.month; /* Month */ 480252190Srpaulo *pos++ = tm.day; /* Day of month */ 481252190Srpaulo *pos++ = tm.hour; /* Hours */ 482252190Srpaulo *pos++ = tm.min; /* Minutes */ 483252190Srpaulo *pos++ = tm.sec; /* Seconds */ 484252190Srpaulo WPA_PUT_LE16(pos, 0); /* Milliseconds (not used) */ 485252190Srpaulo pos += 2; 486252190Srpaulo *pos++ = 0; /* Reserved */ 487252190Srpaulo 488252190Srpaulo /* Time Error */ 489252190Srpaulo /* TODO: fill in an estimate on the error */ 490252190Srpaulo *pos++ = 0; 491252190Srpaulo *pos++ = 0; 492252190Srpaulo *pos++ = 0; 493252190Srpaulo *pos++ = 0; 494252190Srpaulo *pos++ = 0; 495252190Srpaulo 496252190Srpaulo *pos++ = hapd->time_update_counter++; 497252190Srpaulo 498252190Srpaulo return 0; 499252190Srpaulo} 500252190Srpaulo 501252190Srpaulo 502252190Srpaulou8 * hostapd_eid_bss_max_idle_period(struct hostapd_data *hapd, u8 *eid) 503252190Srpaulo{ 504252190Srpaulo u8 *pos = eid; 505252190Srpaulo 506252190Srpaulo#ifdef CONFIG_WNM 507252190Srpaulo if (hapd->conf->ap_max_inactivity > 0) { 508252190Srpaulo unsigned int val; 509252190Srpaulo *pos++ = WLAN_EID_BSS_MAX_IDLE_PERIOD; 510252190Srpaulo *pos++ = 3; 511252190Srpaulo val = hapd->conf->ap_max_inactivity; 512252190Srpaulo if (val > 68000) 513252190Srpaulo val = 68000; 514252190Srpaulo val *= 1000; 515252190Srpaulo val /= 1024; 516252190Srpaulo if (val == 0) 517252190Srpaulo val = 1; 518252190Srpaulo if (val > 65535) 519252190Srpaulo val = 65535; 520252190Srpaulo WPA_PUT_LE16(pos, val); 521252190Srpaulo pos += 2; 522252190Srpaulo *pos++ = 0x00; /* TODO: Protected Keep-Alive Required */ 523252190Srpaulo } 524252190Srpaulo#endif /* CONFIG_WNM */ 525252190Srpaulo 526252190Srpaulo return pos; 527252190Srpaulo} 528337817Scy 529337817Scy 530337817Scy#ifdef CONFIG_MBO 531337817Scy 532337817Scyu8 * hostapd_eid_mbo(struct hostapd_data *hapd, u8 *eid, size_t len) 533337817Scy{ 534337817Scy u8 mbo[6], *mbo_pos = mbo; 535337817Scy u8 *pos = eid; 536337817Scy 537337817Scy if (!hapd->conf->mbo_enabled) 538337817Scy return eid; 539337817Scy 540337817Scy *mbo_pos++ = MBO_ATTR_ID_AP_CAPA_IND; 541337817Scy *mbo_pos++ = 1; 542337817Scy /* Not Cellular aware */ 543337817Scy *mbo_pos++ = 0; 544337817Scy 545337817Scy if (hapd->mbo_assoc_disallow) { 546337817Scy *mbo_pos++ = MBO_ATTR_ID_ASSOC_DISALLOW; 547337817Scy *mbo_pos++ = 1; 548337817Scy *mbo_pos++ = hapd->mbo_assoc_disallow; 549337817Scy } 550337817Scy 551337817Scy pos += mbo_add_ie(pos, len, mbo, mbo_pos - mbo); 552337817Scy 553337817Scy return pos; 554337817Scy} 555337817Scy 556337817Scy 557337817Scyu8 hostapd_mbo_ie_len(struct hostapd_data *hapd) 558337817Scy{ 559337817Scy if (!hapd->conf->mbo_enabled) 560337817Scy return 0; 561337817Scy 562337817Scy /* 563337817Scy * MBO IE header (6) + Capability Indication attribute (3) + 564337817Scy * Association Disallowed attribute (3) = 12 565337817Scy */ 566337817Scy return 6 + 3 + (hapd->mbo_assoc_disallow ? 3 : 0); 567337817Scy} 568337817Scy 569337817Scy#endif /* CONFIG_MBO */ 570337817Scy 571337817Scy 572337817Scyvoid ap_copy_sta_supp_op_classes(struct sta_info *sta, 573337817Scy const u8 *supp_op_classes, 574337817Scy size_t supp_op_classes_len) 575337817Scy{ 576337817Scy if (!supp_op_classes) 577337817Scy return; 578337817Scy os_free(sta->supp_op_classes); 579337817Scy sta->supp_op_classes = os_malloc(1 + supp_op_classes_len); 580337817Scy if (!sta->supp_op_classes) 581337817Scy return; 582337817Scy 583337817Scy sta->supp_op_classes[0] = supp_op_classes_len; 584337817Scy os_memcpy(sta->supp_op_classes + 1, supp_op_classes, 585337817Scy supp_op_classes_len); 586337817Scy} 587