beacon.c revision 292b0c3a742226c295f8db76eaef9e90c90e7513
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / IEEE 802.11 Management: Beacon and Probe Request/Response 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2002-2004, Instant802 Networks, Inc. 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2005-2006, Devicescape Software, Inc. 5a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi> 68d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This program is free software; you can redistribute it and/or modify 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it under the terms of the GNU General Public License version 2 as 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * published by the Free Software Foundation. 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Alternatively, this software may be distributed under the terms of BSD 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * license. 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * See README and COPYING for more details. 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/includes.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NATIVE_WINDOWS 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/common.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_common.h" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "drivers/driver.h" 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps/wps_defs.h" 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "p2p/p2p.h" 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "hostapd.h" 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_11.h" 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth.h" 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wmm.h" 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_config.h" 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "sta_info.h" 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "p2p_hostapd.h" 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_drv_ops.h" 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "beacon.h" 3661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#include "hs20.h" 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef NEED_AP_MLME 401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 41051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidtstatic u8 * hostapd_eid_bss_load(struct hostapd_data *hapd, u8 *eid, size_t len) 42051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt{ 43051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 44051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt if (hapd->conf->bss_load_test_set) { 45051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt if (2 + 5 > len) 46051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt return eid; 47051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt *eid++ = WLAN_EID_BSS_LOAD; 48051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt *eid++ = 5; 49051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt os_memcpy(eid, hapd->conf->bss_load_test, 5); 50051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt eid += 5; 51051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt } 52051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 53051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt return eid; 54051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt} 55051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 56051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 ieee802_11_erp_info(struct hostapd_data *hapd) 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 erp = 0; 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->current_mode == NULL || 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G) 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->iface->olbc) 661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt erp |= ERP_INFO_USE_PROTECTION; 671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->iface->num_sta_non_erp > 0) { 681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt erp |= ERP_INFO_NON_ERP_PRESENT | 691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ERP_INFO_USE_PROTECTION; 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->num_sta_no_short_preamble > 0 || 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iconf->preamble == LONG_PREAMBLE) 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt erp |= ERP_INFO_BARKER_PREAMBLE_MODE; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return erp; 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * hostapd_eid_ds_params(struct hostapd_data *hapd, u8 *eid) 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = WLAN_EID_DS_PARAMS; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = 1; 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = hapd->iconf->channel; 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * hostapd_eid_erp_info(struct hostapd_data *hapd, u8 *eid) 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->current_mode == NULL || 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G) 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Set NonERP_present and use_protection bits if there 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * are any associated NonERP stations. */ 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: use_protection bit can be set to zero even if 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * there are NonERP stations present. This optimization 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * might be useful if NonERP stations are "quiet". 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * See 802.11g/D6 E-1 for recommended practice. 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In addition, Non ERP present might be set, if AP detects Non ERP 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * operation on other APs. */ 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Add ERP Information element */ 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = WLAN_EID_ERP_INFO; 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = 1; 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *eid++ = ieee802_11_erp_info(hapd); 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * hostapd_eid_country_add(u8 *pos, u8 *end, int chan_spacing, 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_channel_data *start, 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_channel_data *prev) 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 3) 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* first channel number */ 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = start->chan; 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* number of channels */ 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = (prev->chan - start->chan) / chan_spacing + 1; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* maximum transmit power level */ 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = start->max_tx_power; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * hostapd_eid_country(struct hostapd_data *hapd, u8 *eid, 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int max_len) 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos = eid; 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *end = eid + max_len; 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_hw_modes *mode; 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_channel_data *start, *prev; 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int chan_spacing = 1; 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->iconf->ieee80211d || max_len < 6 || 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->current_mode == NULL) 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = WLAN_EID_COUNTRY; 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos++; /* length will be set later */ 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, hapd->iconf->country, 3); /* e.g., 'US ' */ 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 3; 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mode = hapd->iface->current_mode; 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mode->mode == HOSTAPD_MODE_IEEE80211A) 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt chan_spacing = 4; 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start = prev = NULL; 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < mode->num_channels; i++) { 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_channel_data *chan = &mode->channels[i]; 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (chan->flag & HOSTAPD_CHAN_DISABLED) 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (start && prev && 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->chan + chan_spacing == chan->chan && 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start->max_tx_power == chan->max_tx_power) { 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = chan; 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; /* can use same entry */ 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (start) { 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = hostapd_eid_country_add(pos, end, chan_spacing, 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start, prev); 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start = NULL; 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Start new group */ 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start = prev = chan; 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (start) { 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = hostapd_eid_country_add(pos, end, chan_spacing, 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start, prev); 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((pos - eid) & 1) { 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 1) 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = 0; /* pad for 16-bit alignment */ 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eid[1] = (pos - eid) - 2; 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len) 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ie; 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t ielen; 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &ielen); 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ie == NULL || ielen > len) 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid; 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(eid, ie, ielen); 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eid + ielen; 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 206e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtstatic u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid) 207e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt{ 208e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt u8 chan; 209e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 210e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt if (!hapd->iface->cs_freq) 211e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return eid; 212e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 213e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt if (ieee80211_freq_to_chan(hapd->iface->cs_freq, &chan) == 214e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt NUM_HOSTAPD_MODES) 215e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return eid; 216e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 217e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt *eid++ = WLAN_EID_CHANNEL_SWITCH; 218e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt *eid++ = 3; 219e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt *eid++ = hapd->iface->cs_block_tx; 220e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt *eid++ = chan; 221e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt *eid++ = hapd->iface->cs_count; 222e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 223e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return eid; 224e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt} 225e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 226e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 2271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd, 2281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct sta_info *sta, 2291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct ieee80211_mgmt *req, 2301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int is_p2p, size_t *resp_len) 2311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 2321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct ieee80211_mgmt *resp; 233e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt u8 *pos, *epos, *old_pos; 2341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t buflen; 2351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#define MAX_PROBERESP_LEN 768 2371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt buflen = MAX_PROBERESP_LEN; 2381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_WPS 2391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->wps_probe_resp_ie) 2401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt buflen += wpabuf_len(hapd->wps_probe_resp_ie); 2411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_WPS */ 2421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_P2P 2431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->p2p_probe_resp_ie) 2441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt buflen += wpabuf_len(hapd->p2p_probe_resp_ie); 2451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_P2P */ 24661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hapd->conf->vendor_elements) 24761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt buflen += wpabuf_len(hapd->conf->vendor_elements); 2481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp = os_zalloc(buflen); 2491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (resp == NULL) 2501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 2511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt epos = ((u8 *) resp) + MAX_PROBERESP_LEN; 2531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 2551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WLAN_FC_STYPE_PROBE_RESP); 2561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (req) 2571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp->da, req->sa, ETH_ALEN); 2581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN); 2591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN); 2611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp->u.probe_resp.beacon_int = 2621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt host_to_le16(hapd->iconf->beacon_int); 2631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* hardware or low-level driver will setup seq_ctrl and timestamp */ 2651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp->u.probe_resp.capab_info = 2661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt host_to_le16(hostapd_own_capab_info(hapd, sta, 1)); 2671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = resp->u.probe_resp.variable; 2691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = WLAN_EID_SSID; 2701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *pos++ = hapd->conf->ssid.ssid_len; 2711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(pos, hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len); 2721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += hapd->conf->ssid.ssid_len; 2731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Supported rates */ 2751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_supp_rates(hapd, pos); 2761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* DS Params */ 2781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ds_params(hapd, pos); 2791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_country(hapd, pos, epos - pos); 2811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* ERP Information element */ 2831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_erp_info(hapd, pos); 2841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Extended supported rates */ 2861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ext_supp_rates(hapd, pos); 2871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* RSN, MDIE, WPA */ 2891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_wpa(hapd, pos, epos - pos); 2901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 291051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt pos = hostapd_eid_bss_load(hapd, pos, epos - pos); 292051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 2931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_IEEE80211N 2941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ht_capabilities(hapd, pos); 2951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ht_operation(hapd, pos); 2961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_IEEE80211N */ 2971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_ext_capab(hapd, pos); 2991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_time_adv(hapd, pos); 3011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_time_zone(hapd, pos); 3021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_interworking(hapd, pos); 3041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_adv_proto(hapd, pos); 3051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_roaming_consortium(hapd, pos); 3061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 307e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt old_pos = pos; 308e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt pos = hostapd_eid_csa(hapd, pos); 309e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 310e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt /* save an offset to the counter - should be last byte */ 311e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt hapd->iface->cs_c_off_proberesp = (pos != old_pos) ? 312e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt pos - (u8 *) resp - 1 : 0; 313e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 31404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_IEEE80211AC 31504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pos = hostapd_eid_vht_capabilities(hapd, pos); 31604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pos = hostapd_eid_vht_operation(hapd, pos); 31704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_IEEE80211AC */ 31804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Wi-Fi Alliance WMM */ 3201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_wmm(hapd, pos); 3211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_WPS 3231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) { 3241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie), 3251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_len(hapd->wps_probe_resp_ie)); 3261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += wpabuf_len(hapd->wps_probe_resp_ie); 3271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_WPS */ 3291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_P2P 3311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if ((hapd->conf->p2p & P2P_ENABLED) && is_p2p && 3321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->p2p_probe_resp_ie) { 3331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie), 3341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_len(hapd->p2p_probe_resp_ie)); 3351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos += wpabuf_len(hapd->p2p_probe_resp_ie); 3361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_P2P */ 3381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_P2P_MANAGER 3391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) == 3401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt P2P_MANAGE) 3411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt pos = hostapd_eid_p2p_manage(hapd, pos); 3421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_P2P_MANAGER */ 3431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 34461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_HS20 34561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos = hostapd_eid_hs20_indication(hapd, pos); 34661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_HS20 */ 34761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 34861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hapd->conf->vendor_elements) { 34961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements), 35061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpabuf_len(hapd->conf->vendor_elements)); 35161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt pos += wpabuf_len(hapd->conf->vendor_elements); 35261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 35361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 3541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt *resp_len = pos - (u8 *) resp; 3551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return (u8 *) resp; 3561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 3571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 359a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtenum ssid_match_result { 360a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt NO_SSID_MATCH, 361a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt EXACT_SSID_MATCH, 362a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt WILDCARD_SSID_MATCH 363a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt}; 364a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 365a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtstatic enum ssid_match_result ssid_match(struct hostapd_data *hapd, 366a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *ssid, size_t ssid_len, 367a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *ssid_list, 368a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt size_t ssid_list_len) 369a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 370a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt const u8 *pos, *end; 371a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt int wildcard = 0; 372a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 373a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (ssid_len == 0) 374a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wildcard = 1; 375a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (ssid_len == hapd->conf->ssid.ssid_len && 376a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt os_memcmp(ssid, hapd->conf->ssid.ssid, ssid_len) == 0) 377a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return EXACT_SSID_MATCH; 378a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 379a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (ssid_list == NULL) 380a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH; 381a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 382a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt pos = ssid_list; 383a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt end = ssid_list + ssid_list_len; 384a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt while (pos + 1 <= end) { 385a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (pos + 2 + pos[1] > end) 386a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt break; 387a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (pos[1] == 0) 388a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt wildcard = 1; 389a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (pos[1] == hapd->conf->ssid.ssid_len && 390a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt os_memcmp(pos + 2, hapd->conf->ssid.ssid, pos[1]) == 0) 391a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return EXACT_SSID_MATCH; 392a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt pos += 2 + pos[1]; 393a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt } 394a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 395a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH; 396a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 397a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 398a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid handle_probe_req(struct hostapd_data *hapd, 40004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const struct ieee80211_mgmt *mgmt, size_t len, 40104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt int ssi_signal) 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *resp; 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_11_elems elems; 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ie; 4061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t ie_len; 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = NULL; 4081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t i, resp_len; 4091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int noack; 410a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt enum ssid_match_result res; 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = mgmt->u.probe_req.variable; 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)) 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)); 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, 4191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt mgmt->sa, mgmt->da, mgmt->bssid, 42004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt ie, ie_len, ssi_signal) > 0) 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->iconf->send_probe_response) 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) { 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Could not parse ProbeReq from " MACSTR, 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mgmt->sa)); 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((!elems.ssid || !elems.supp_rates)) { 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "STA " MACSTR " sent probe request " 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "without SSID or supported rates element", 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mgmt->sa)); 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->p2p && elems.wps_ie) { 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *wps; 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA); 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) { 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request " 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "due to mismatch with Requested Device " 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Type"); 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps); 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps); 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 452c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 453c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (hapd->p2p && elems.p2p) { 454c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt struct wpabuf *p2p; 455c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt p2p = ieee802_11_vendor_ie_concat(ie, ie_len, P2P_IE_VENDOR_TYPE); 456c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (p2p && !p2p_group_match_dev_id(hapd->p2p_group, p2p)) { 457c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request " 458c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt "due to mismatch with Device ID"); 459c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wpabuf_free(p2p); 460c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt return; 461c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt } 462c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wpabuf_free(p2p); 463c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt } 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 466a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (hapd->conf->ignore_broadcast_ssid && elems.ssid_len == 0 && 467a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt elems.ssid_list_len == 0) { 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR " for " 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "broadcast SSID ignored", MAC2STR(mgmt->sa)); 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = ap_get_sta(hapd, mgmt->sa); 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((hapd->conf->p2p & P2P_GROUP_OWNER) && 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elems.ssid_len == P2P_WILDCARD_SSID_LEN && 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(elems.ssid, P2P_WILDCARD_SSID, 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt P2P_WILDCARD_SSID_LEN) == 0) { 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Process P2P Wildcard SSID like Wildcard SSID */ 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elems.ssid_len = 0; 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 485a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt res = ssid_match(hapd, elems.ssid, elems.ssid_len, 486a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt elems.ssid_list, elems.ssid_list_len); 487a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (res != NO_SSID_MATCH) { 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->ssid_probe = &hapd->conf->ssid; 4901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else { 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(mgmt->da[0] & 0x01)) { 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char ssid_txt[33]; 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_11_print_ssid(ssid_txt, elems.ssid, 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elems.ssid_len); 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR 496a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt " for foreign SSID '%s' (DA " MACSTR ")%s", 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mgmt->sa), ssid_txt, 498a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt MAC2STR(mgmt->da), 499a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt elems.ssid_list ? " (SSID list)" : ""); 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef CONFIG_INTERWORKING 5051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (elems.interworking && elems.interworking_len >= 1) { 5061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 ant = elems.interworking[0] & 0x0f; 5071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (ant != INTERWORKING_ANT_WILDCARD && 5081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ant != hapd->conf->access_network_type) { 5091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR 5101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt " for mismatching ANT %u ignored", 5111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MAC2STR(mgmt->sa), ant); 5121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 5131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 5141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 5151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 5161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (elems.interworking && 5171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (elems.interworking_len == 7 || elems.interworking_len == 9)) { 5181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *hessid; 5191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (elems.interworking_len == 7) 5201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hessid = elems.interworking + 1; 5211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 5221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hessid = elems.interworking + 1 + 2; 5231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!is_broadcast_ether_addr(hessid) && 5241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcmp(hessid, hapd->conf->hessid, ETH_ALEN) != 0) { 5251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR 5261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt " for mismatching HESSID " MACSTR 5271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt " ignored", 5281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MAC2STR(mgmt->sa), MAC2STR(hessid)); 5291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 5301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 5311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 5321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_INTERWORKING */ 5331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 53434af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt#ifdef CONFIG_P2P 53534af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt if ((hapd->conf->p2p & P2P_GROUP_OWNER) && 53634af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt supp_rates_11b_only(&elems)) { 53734af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt /* Indicates support for 11b rates only */ 53834af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt wpa_printf(MSG_EXCESSIVE, "P2P: Ignore Probe Request from " 53934af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt MACSTR " with only 802.11b rates", 54034af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt MAC2STR(mgmt->sa)); 54134af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt return; 54234af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt } 54334af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt#endif /* CONFIG_P2P */ 54434af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: verify that supp_rates contains at least one matching rate 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * with AP configuration */ 5471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 5488da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 5498da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt if (hapd->iconf->ignore_probe_probability > 0.0d && 5508da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt drand48() < hapd->iconf->ignore_probe_probability) { 5518da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt wpa_printf(MSG_INFO, 5528da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt "TESTING: ignoring probe request from " MACSTR, 5538da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt MAC2STR(mgmt->sa)); 5548da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt return; 5558da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt } 5568da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 5578da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt 5581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp = hostapd_gen_probe_resp(hapd, sta, mgmt, elems.p2p != NULL, 5591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt &resp_len); 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (resp == NULL) 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 5641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * If this is a broadcast probe request, apply no ack policy to avoid 5651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * excessive retries. 5661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 567a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt noack = !!(res == WILDCARD_SSID_MATCH && 568a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt is_broadcast_ether_addr(mgmt->da)); 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hostapd_drv_send_mlme(hapd, resp, resp_len, noack) < 0) 571cce06667447b5aec83452adb0c15100ada531095Dmitry Shmidt wpa_printf(MSG_INFO, "handle_probe_req: send failed"); 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_free(resp); 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_EXCESSIVE, "STA " MACSTR " sent probe request for %s " 5761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "SSID", MAC2STR(mgmt->sa), 5771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt elems.ssid_len == 0 ? "broadcast" : "our"); 5781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic u8 * hostapd_probe_resp_offloads(struct hostapd_data *hapd, 5821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t *resp_len) 5831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 5841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* check probe response offloading caps and print warnings */ 5851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD)) 5861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 5891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->wps_state && hapd->wps_probe_resp_ie && 5901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (!(hapd->iface->probe_resp_offloads & 5911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS | 5921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2)))) 5931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_WARNING, "Device is trying to offload WPS " 5941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Probe Response while not supporting this"); 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 5981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_probe_resp_ie && 5991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt !(hapd->iface->probe_resp_offloads & 6001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P)) 6011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_WARNING, "Device is trying to offload P2P " 6021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Probe Response while not supporting this"); 6031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* CONFIG_P2P */ 6041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 6051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->interworking && 6061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt !(hapd->iface->probe_resp_offloads & 6071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING)) 6081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_WARNING, "Device is trying to offload " 6091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Interworking Probe Response while not supporting " 6101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "this"); 6111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 6121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* Generate a Probe Response template for the non-P2P case */ 6131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return hostapd_gen_probe_resp(hapd, NULL, NULL, 0, resp_len); 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* NEED_AP_MLME */ 6171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 619e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtint ieee802_11_build_ap_params(struct hostapd_data *hapd, 620e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt struct wpa_driver_ap_params *params) 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct ieee80211_mgmt *head = NULL; 6231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *tail = NULL; 6241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t head_len = 0, tail_len = 0; 6251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt u8 *resp = NULL; 6261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t resp_len = 0; 6271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef NEED_AP_MLME 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 capab_info; 629e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt u8 *pos, *tailpos, *old_pos; 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define BEACON_HEAD_BUF_SIZE 256 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define BEACON_TAIL_BUF_SIZE 512 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head = os_zalloc(BEACON_HEAD_BUF_SIZE); 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail_len = BEACON_TAIL_BUF_SIZE; 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wps_state && hapd->wps_beacon_ie) 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail_len += wpabuf_len(hapd->wps_beacon_ie); 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->p2p_beacon_ie) 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail_len += wpabuf_len(hapd->p2p_beacon_ie); 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 64361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hapd->conf->vendor_elements) 64461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tail_len += wpabuf_len(hapd->conf->vendor_elements); 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = tail = os_malloc(tail_len); 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (head == NULL || tail == NULL) { 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to set beacon data"); 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(head); 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(tail); 650e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return -1; 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_FC_STYPE_BEACON); 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head->duration = host_to_le16(0); 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(head->da, 0xff, ETH_ALEN); 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(head->sa, hapd->own_addr, ETH_ALEN); 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(head->bssid, hapd->own_addr, ETH_ALEN); 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head->u.beacon.beacon_int = 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt host_to_le16(hapd->iconf->beacon_int); 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* hardware or low-level driver will setup seq_ctrl and timestamp */ 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab_info = hostapd_own_capab_info(hapd, NULL, 0); 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head->u.beacon.capab_info = host_to_le16(capab_info); 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = &head->u.beacon.variable[0]; 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* SSID */ 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = WLAN_EID_SSID; 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ignore_broadcast_ssid == 2) { 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* clear the data, but keep the correct length of the SSID */ 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = hapd->conf->ssid.ssid_len; 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(pos, 0, hapd->conf->ssid.ssid_len); 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += hapd->conf->ssid.ssid_len; 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (hapd->conf->ignore_broadcast_ssid) { 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = 0; /* empty SSID */ 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = hapd->conf->ssid.ssid_len; 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, hapd->conf->ssid.ssid, 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->ssid.ssid_len); 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += hapd->conf->ssid.ssid_len; 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supported rates */ 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = hostapd_eid_supp_rates(hapd, pos); 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* DS Params */ 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = hostapd_eid_ds_params(hapd, pos); 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt head_len = pos - (u8 *) head; 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_country(hapd, tailpos, 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail + BEACON_TAIL_BUF_SIZE - tailpos); 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* ERP Information element */ 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_erp_info(hapd, tailpos); 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Extended supported rates */ 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_ext_supp_rates(hapd, tailpos); 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RSN, MDIE, WPA */ 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_wpa(hapd, tailpos, tail + BEACON_TAIL_BUF_SIZE - 7031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos); 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 705051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt tailpos = hostapd_eid_bss_load(hapd, tailpos, 706051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt tail + BEACON_TAIL_BUF_SIZE - tailpos); 707051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211N 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_ht_capabilities(hapd, tailpos); 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_ht_operation(hapd, tailpos); 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211N */ 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_ext_capab(hapd, tailpos); 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 7161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * TODO: Time Advertisement element should only be included in some 7171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * DTIM Beacon frames. 7181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 7191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos = hostapd_eid_time_adv(hapd, tailpos); 7201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 7211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos = hostapd_eid_interworking(hapd, tailpos); 7221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos = hostapd_eid_adv_proto(hapd, tailpos); 7231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tailpos = hostapd_eid_roaming_consortium(hapd, tailpos); 724e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt old_pos = tailpos; 725e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt tailpos = hostapd_eid_csa(hapd, tailpos); 726e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt hapd->iface->cs_c_off_beacon = (old_pos != tailpos) ? 727e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt tailpos - tail - 1 : 0; 7281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 72904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_IEEE80211AC 73004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt tailpos = hostapd_eid_vht_capabilities(hapd, tailpos); 73104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt tailpos = hostapd_eid_vht_operation(hapd, tailpos); 73204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_IEEE80211AC */ 73304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Wi-Fi Alliance WMM */ 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_wmm(hapd, tailpos); 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wps_state && hapd->wps_beacon_ie) { 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(tailpos, wpabuf_head(hapd->wps_beacon_ie), 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(hapd->wps_beacon_ie)); 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos += wpabuf_len(hapd->wps_beacon_ie); 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) { 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie), 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(hapd->p2p_beacon_ie)); 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos += wpabuf_len(hapd->p2p_beacon_ie); 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P_MANAGER 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) == 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt P2P_MANAGE) 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tailpos = hostapd_eid_p2p_manage(hapd, tailpos); 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P_MANAGER */ 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 75861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_HS20 75961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tailpos = hostapd_eid_hs20_indication(hapd, tailpos); 76061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_HS20 */ 76161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 76261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (hapd->conf->vendor_elements) { 76361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements), 76461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt wpabuf_len(hapd->conf->vendor_elements)); 76561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt tailpos += wpabuf_len(hapd->conf->vendor_elements); 76661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt } 76761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tail_len = tailpos > tail ? tailpos - tail : 0; 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt resp = hostapd_probe_resp_offloads(hapd, &resp_len); 7711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* NEED_AP_MLME */ 7721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 773e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt os_memset(params, 0, sizeof(*params)); 774e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->head = (u8 *) head; 775e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->head_len = head_len; 776e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->tail = tail; 777e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->tail_len = tail_len; 778e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->proberesp = resp; 779e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->proberesp_len = resp_len; 780e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->dtim_period = hapd->conf->dtim_period; 781e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->beacon_int = hapd->iconf->beacon_int; 782e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->basic_rates = hapd->iface->basic_rates; 783e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ssid = hapd->conf->ssid.ssid; 784e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ssid_len = hapd->conf->ssid.ssid_len; 785e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->pairwise_ciphers = hapd->conf->rsn_pairwise ? 7861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->conf->rsn_pairwise : hapd->conf->wpa_pairwise; 787e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->group_cipher = hapd->conf->wpa_group; 788e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->key_mgmt_suites = hapd->conf->wpa_key_mgmt; 789e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->auth_algs = hapd->conf->auth_algs; 790e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->wpa_version = hapd->conf->wpa; 791e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->privacy = hapd->conf->ssid.wep.keys_set || hapd->conf->wpa || 7921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (hapd->conf->ieee802_1x && 7931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (hapd->conf->default_wep_key_len || 7941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->conf->individual_wep_key_len)); 7951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt switch (hapd->conf->ignore_broadcast_ssid) { 7961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt case 0: 797e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->hide_ssid = NO_SSID_HIDING; 7981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt break; 7991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt case 1: 800e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->hide_ssid = HIDDEN_SSID_ZERO_LEN; 8011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt break; 8021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt case 2: 803e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->hide_ssid = HIDDEN_SSID_ZERO_CONTENTS; 8041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt break; 8051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 806e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->isolate = hapd->conf->isolate; 8071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#ifdef NEED_AP_MLME 808e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->cts_protect = !!(ieee802_11_erp_info(hapd) & 8091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt ERP_INFO_USE_PROTECTION); 810e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->preamble = hapd->iface->num_sta_no_short_preamble == 0 && 8111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->iconf->preamble == SHORT_PREAMBLE; 8121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->iface->current_mode && 8131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G) 814e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->short_slot_time = 8151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hapd->iface->num_sta_no_short_slot_time > 0 ? 0 : 1; 8161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 817e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->short_slot_time = -1; 8181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n) 819e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ht_opmode = -1; 8201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt else 821e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ht_opmode = hapd->iface->ht_op_mode; 8221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#endif /* NEED_AP_MLME */ 823e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->interworking = hapd->conf->interworking; 8241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hapd->conf->interworking && 8251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt !is_zero_ether_addr(hapd->conf->hessid)) 826e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->hessid = hapd->conf->hessid; 827e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->access_network_type = hapd->conf->access_network_type; 828e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->ap_max_inactivity = hapd->conf->ap_max_inactivity; 82961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifdef CONFIG_HS20 830e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->disable_dgaf = hapd->conf->disable_dgaf; 83161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_HS20 */ 832e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return 0; 833e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt} 834e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 835e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 836e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtvoid ieee802_11_free_ap_params(struct wpa_driver_ap_params *params) 837e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt{ 838e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt os_free(params->tail); 839e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->tail = NULL; 840e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt os_free(params->head); 841e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->head = NULL; 842e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt os_free(params->proberesp); 843e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params->proberesp = NULL; 844e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt} 845e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 846e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 847e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtvoid ieee802_11_set_beacon(struct hostapd_data *hapd) 848e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt{ 849e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt struct wpa_driver_ap_params params; 850e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt struct wpabuf *beacon, *proberesp, *assocresp; 851e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 852e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt if (hapd->iface->csa_in_progress) { 853e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period"); 854e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return; 855e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt } 856e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 857e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt hapd->beacon_set_done = 1; 858e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 859e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt if (ieee802_11_build_ap_params(hapd, ¶ms) < 0) 860e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt return; 861e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 862e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) < 863e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 0) 864e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt goto fail; 865e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 866e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params.beacon_ies = beacon; 867e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params.proberesp_ies = proberesp; 868e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt params.assocresp_ies = assocresp; 869e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt 8701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (hostapd_drv_set_ap(hapd, ¶ms)) 8711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_ERROR, "Failed to set beacon parameters"); 8721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp); 873e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidtfail: 874e0e48dc666fb14a7bb60264ca87463ba7bc1fe0bDmitry Shmidt ieee802_11_free_ap_params(¶ms); 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid ieee802_11_set_beacons(struct hostapd_iface *iface) 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 881292b0c3a742226c295f8db76eaef9e90c90e7513Dmitry Shmidt for (i = 0; i < iface->num_bss; i++) { 882292b0c3a742226c295f8db76eaef9e90c90e7513Dmitry Shmidt if (iface->bss[i]->started) 883292b0c3a742226c295f8db76eaef9e90c90e7513Dmitry Shmidt ieee802_11_set_beacon(iface->bss[i]); 884292b0c3a742226c295f8db76eaef9e90c90e7513Dmitry Shmidt } 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 88704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 88804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt/* only update beacons if started */ 88904949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid ieee802_11_update_beacons(struct hostapd_iface *iface) 89004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 89104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t i; 89204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt for (i = 0; i < iface->num_bss; i++) 893292b0c3a742226c295f8db76eaef9e90c90e7513Dmitry Shmidt if (iface->bss[i]->beacon_set_done && iface->bss[i]->started) 89404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt ieee802_11_set_beacon(iface->bss[i]); 89504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 89604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NATIVE_WINDOWS */ 898