hostapd.c revision 8d520ff1dc2da35cdca849e982051b86468016d8
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / Initialization and configuration 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 58d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This program is free software; you can redistribute it and/or modify 68d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it under the terms of the GNU General Public License version 2 as 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * published by the Free Software Foundation. 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Alternatively, this software may be distributed under the terms of BSD 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * license. 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * See README and COPYING for more details. 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/includes.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/common.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/eloop.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "radius/radius_client.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "drivers/driver.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "hostapd.h" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "authsrv.h" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "sta_info.h" 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "accounting.h" 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_list.h" 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "beacon.h" 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "iapp.h" 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_1x.h" 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_11_auth.h" 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "vlan_init.h" 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth.h" 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps_hostapd.h" 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "hw_features.h" 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth_glue.h" 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_drv_ops.h" 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_config.h" 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "p2p_hostapd.h" 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_flush_old_stations(struct hostapd_data *hapd); 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd); 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtextern int wpa_debug_level; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_reload_bss(struct hostapd_data *hapd) 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_client_reconfig(hapd->radius, hapd->conf->radius); 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_setup_wpa_psk(hapd->conf)) { 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK " 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "after reloading configuration"); 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ieee802_1x || hapd->conf->wpa) 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1); 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0); 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wpa && hapd->wpa_auth == NULL) 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_setup_wpa(hapd); 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (hapd->conf->wpa) { 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wpa_ie; 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t wpa_ie_len; 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_reconfig_wpa(hapd); 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "the kernel driver."); 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (hapd->wpa_auth) { 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_deinit(hapd->wpa_auth); 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->wpa_auth = NULL; 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_privacy(hapd, 0); 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_setup_encryption(hapd->conf->iface, hapd); 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_generic_elem(hapd, (u8 *) "", 0); 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_11_set_beacon(hapd); 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_update_wps(hapd); 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ssid.ssid_set && 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_ssid(hapd, (u8 *) hapd->conf->ssid.ssid, 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->ssid.ssid_len)) { 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver"); 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* try to continue */ 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface); 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hostapd_reload_config(struct hostapd_iface *iface) 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = iface->bss[0]; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_config *newconf, *oldconf; 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t j; 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (iface->config_read_cb == NULL) 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt newconf = iface->config_read_cb(iface->config_fname); 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (newconf == NULL) 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Deauthenticate all stations since the new configuration may not 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * allow them to use the BSS anymore. 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; j < iface->num_bss; j++) { 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_flush_old_stations(iface->bss[j]); 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: update dynamic data based on changed configuration 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * items (e.g., open/close sockets, etc.) */ 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_client_flush(iface->bss[j]->radius, 0); 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt oldconf = hapd->iconf; 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->conf = newconf; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; j < iface->num_bss; j++) { 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd = iface->bss[j]; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iconf = newconf; 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf = &newconf->bss[j]; 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_reload_bss(hapd); 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_config_free(oldconf); 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd, 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *ifname) 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < NUM_WEP_KEYS; i++) { 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i, 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0, NULL, 0, NULL, 0)) { 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to clear default " 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "encryption keys (ifname=%s keyidx=%d)", 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ifname, i); 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ieee80211w) { 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) { 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt NULL, i, 0, NULL, 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0, NULL, 0)) { 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to clear " 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "default mgmt encryption keys " 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(ifname=%s keyidx=%d)", ifname, i); 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_broadcast_wep_clear(struct hostapd_data *hapd) 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface); 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_broadcast_wep_set(struct hostapd_data *hapd) 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int errors = 0, idx; 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_ssid *ssid = &hapd->conf->ssid; 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idx = ssid->wep.idx; 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ssid->wep.default_len && 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_set_key(hapd->conf->iface, 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd, WPA_ALG_WEP, broadcast_ether_addr, idx, 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1, NULL, 0, ssid->wep.key[idx], 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ssid->wep.len[idx])) { 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "Could not set WEP encryption."); 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt errors++; 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ssid->dyn_vlan_keys) { 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) { 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *ifname; 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i]; 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key == NULL) 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i); 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ifname == NULL) 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idx = key->idx; 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_WEP, 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt broadcast_ether_addr, idx, 1, 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt NULL, 0, key->key[idx], 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->len[idx])) { 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "Could not set " 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dynamic VLAN WEP encryption."); 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt errors++; 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return errors; 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_cleanup - Per-BSS cleanup (deinitialization) 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: Pointer to BSS data 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to free all per-BSS data structures and resources. 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This gets called in a loop for each BSS between calls to 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * is deinitialized. Most of the modules that are initialized in 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_setup_bss() are deinitialized here. 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_cleanup(struct hostapd_data *hapd) 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->ctrl_iface_deinit) 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->ctrl_iface_deinit(hapd); 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iapp_deinit(hapd->iapp); 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iapp = NULL; 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_deinit(hapd); 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_deinit_wpa(hapd); 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vlan_deinit(hapd); 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_acl_deinit(hapd); 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt radius_client_deinit(hapd->radius); 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->radius = NULL; 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_deinit_wps(hapd); 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt authsrv_deinit(hapd); 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->interface_added && 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) { 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "Failed to remove BSS interface %s", 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->iface); 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(hapd->probereq_cb); 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->probereq_cb = NULL; 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(hapd->p2p_beacon_ie); 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->p2p_beacon_ie = NULL; 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(hapd->p2p_probe_resp_ie); 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->p2p_probe_resp_ie = NULL; 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @iface: Pointer to interface data 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called before per-BSS data structures are deinitialized 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * with hostapd_cleanup(). 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_cleanup_iface_pre(struct hostapd_iface *iface) 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_cleanup_iface - Complete per-interface cleanup 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @iface: Pointer to interface data 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called after per-BSS data structures are deinitialized 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * with hostapd_cleanup(). 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_cleanup_iface(struct hostapd_iface *iface) 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_free_hw_features(iface->hw_features, iface->num_hw_features); 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->hw_features = NULL; 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(iface->current_rates); 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->current_rates = NULL; 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_list_deinit(iface); 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_config_free(iface->conf); 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->conf = NULL; 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(iface->config_fname); 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(iface->bss); 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(iface); 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd) 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_broadcast_wep_set(hapd); 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ssid.wep.default_len) { 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_privacy(hapd, 1); 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 4; i++) { 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ssid.wep.key[i] && 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i, 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i == hapd->conf->ssid.wep.idx, NULL, 0, 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->ssid.wep.key[i], 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->ssid.wep.len[i])) { 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "Could not set WEP " 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "encryption."); 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ssid.wep.key[i] && 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i == hapd->conf->ssid.wep.idx) 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_privacy(hapd, 1); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_flush_old_stations(struct hostapd_data *hapd) 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret = 0; 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 addr[ETH_ALEN]; 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL) 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Flushing old station entries"); 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_flush(hapd)) { 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "Could not connect to kernel driver."); 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = -1; 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Deauthenticate all stations"); 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(addr, 0xff, ETH_ALEN); 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID); 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_free_stas(hapd); 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_validate_bssid_configuration - Validate BSSID configuration 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @iface: Pointer to interface data 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to validate that the configured BSSIDs are valid. 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_validate_bssid_configuration(struct hostapd_iface *iface) 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 mask[ETH_ALEN] = { 0 }; 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = iface->bss[0]; 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int i = iface->conf->num_bss, bits = 0, j; 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int auto_addr = 0; 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_drv_none(hapd)) 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate BSSID mask that is large enough to cover the BSSIDs. */ 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Determine the bits necessary to cover the number of BSSIDs. */ 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i--; i; i >>= 1) 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt bits++; 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Determine the bits necessary to any configured BSSIDs, 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if they are higher than the number of BSSIDs. */ 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; j < iface->conf->num_bss; j++) { 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0) { 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (j) 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auto_addr++; 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < ETH_ALEN; i++) { 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mask[i] |= 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->conf->bss[j].bssid[i] ^ 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->own_addr[i]; 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!auto_addr) 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto skip_mask_ext; 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < ETH_ALEN && mask[i] == 0; i++) 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ; 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j = 0; 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (i < ETH_ALEN) { 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j = (5 - i) * 8; 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (mask[i] != 0) { 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mask[i] >>= 1; 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j++; 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bits < j) 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt bits = j; 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bits > 40) { 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)", 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt bits); 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(mask, 0xff, ETH_ALEN); 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j = bits / 8; 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 5; i > 5 - j; i--) 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mask[i] = 0; 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j = bits % 8; 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (j--) 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mask[i] <<= 1; 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtskip_mask_ext: 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)", 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits); 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = hostapd_valid_bss_mask(hapd, hapd->own_addr, mask); 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res == 0) 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) { 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Driver did not accept BSSID mask " 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR " for start address " MACSTR ".", 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mask), MAC2STR(hapd->own_addr)); 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!auto_addr) 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < ETH_ALEN; i++) { 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) { 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " for start address " MACSTR ".", 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mask), MAC2STR(hapd->own_addr)); 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Start address must be the " 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "first address in the block (i.e., addr " 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "AND mask == addr)."); 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int mac_in_conf(struct hostapd_config *conf, const void *a) 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < conf->num_bss; i++) { 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) { 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_setup_bss - Per-BSS setup (initialization) 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: Pointer to BSS data 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @first: Whether this BSS is the first BSS of an interface 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to initialize all per-BSS data structures and 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * resources. This gets called in a loop for each BSS when an interface is 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * initialized. Most of the modules that are initialized here will be 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * deinitialized in hostapd_cleanup(). 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_setup_bss(struct hostapd_data *hapd, int first) 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_bss_config *conf = hapd->conf; 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ssid[HOSTAPD_MAX_SSID_LEN + 1]; 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ssid_len, set_ssid; 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char force_ifname[IFNAMSIZ]; 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 if_addr[ETH_ALEN]; 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!first) { 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) { 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Allocate the next available BSSID. */ 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt do { 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt inc_byte_array(hapd->own_addr, ETH_ALEN); 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } while (mac_in_conf(hapd->iconf, hapd->own_addr)); 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Allocate the configured BSSID. */ 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN); 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_mac_comp(hapd->own_addr, 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->bss[0]->own_addr) == 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0) { 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "BSS '%s' may not have " 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "BSSID set to the MAC address of " 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "the radio", hapd->conf->iface); 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->interface_added = 1; 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS, 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->iface, hapd->own_addr, hapd, 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &hapd->drv_priv, force_ifname, if_addr, 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->bridge[0] ? hapd->conf->bridge : 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt NULL)) { 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID=" 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR ")", MAC2STR(hapd->own_addr)); 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wmm_enabled < 0) 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->wmm_enabled = hapd->iconf->ieee80211n; 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_flush_old_stations(hapd); 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_privacy(hapd, 0); 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_broadcast_wep_clear(hapd); 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_setup_encryption(hapd->conf->iface, hapd)) 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Fetch the SSID from the system and use it or, 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * if one was specified in the config file, verify they 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * match. 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid)); 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ssid_len < 0) { 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not read SSID from system"); 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ssid.ssid_set) { 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * If SSID is specified in the config file and it differs 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * from what is being used then force installation of the 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * new SSID. 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len || 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0); 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * No SSID in the config file; just use the one we got 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * from the system. 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt set_ssid = 0; 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->ssid.ssid_len = ssid_len; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len); 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->ssid.ssid[conf->ssid.ssid_len] = '\0'; 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hostapd_drv_none(hapd)) { 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Using interface %s with hwaddr " MACSTR 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " and ssid '%s'", 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->iface, MAC2STR(hapd->own_addr), 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf->ssid.ssid); 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_setup_wpa_psk(conf)) { 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "WPA-PSK setup failed."); 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Set SSID for the kernel driver (to be used in beacon and probe 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * response frames) */ 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (set_ssid && hostapd_set_ssid(hapd, (u8 *) conf->ssid.ssid, 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->ssid.ssid_len)) { 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver"); 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_debug_level == MSG_MSGDUMP) 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->radius->msg_dumps = 1; 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_RADIUS 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->radius = radius_client_init(hapd, conf->radius); 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->radius == NULL) { 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "RADIUS client initialization failed."); 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_RADIUS */ 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_acl_init(hapd)) { 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "ACL initialization failed."); 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_init_wps(hapd, conf)) 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (authsrv_init(hapd) < 0) 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ieee802_1x_init(hapd)) { 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed."); 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wpa && hostapd_setup_wpa(hapd)) 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (accounting_init(hapd)) { 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Accounting initialization failed."); 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ieee802_11f && 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) { 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "IEEE 802.11F (IAPP) initialization " 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "failed."); 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->ctrl_iface_init && 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->ctrl_iface_init(hapd)) { 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to setup control interface"); 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hostapd_drv_none(hapd) && vlan_init(hapd)) { 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "VLAN initialization failed."); 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_11_set_beacon(hapd); 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->driver && hapd->driver->set_operstate) 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->driver->set_operstate(hapd->drv_priv, 1); 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_tx_queue_params(struct hostapd_iface *iface) 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = iface->bss[0]; 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_tx_queue_params *p; 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < NUM_TX_QUEUES; i++) { 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = &iface->conf->tx_queue[i]; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin, 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->cwmax, p->burst)) { 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to set TX queue " 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "parameters for queue %d.", i); 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Continue anyway */ 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int setup_interface(struct hostapd_iface *iface) 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = iface->bss[0]; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char country[4]; 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Make sure that all BSSes get configured with a pointer to the same 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * driver interface. 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 1; i < iface->num_bss; i++) { 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->bss[i]->driver = hapd->driver; 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->bss[i]->drv_priv = hapd->drv_priv; 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_validate_bssid_configuration(iface)) 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iconf->country[0] && hapd->iconf->country[1]) { 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(country, hapd->iconf->country, 3); 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt country[3] = '\0'; 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_set_country(hapd, country) < 0) { 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to set country code"); 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_get_hw_features(iface)) { 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Not all drivers support this yet, so continue without hw 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * feature data. */ 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret = hostapd_select_hw_mode(iface); 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0) { 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not select hw_mode and " 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "channel. (%d)", ret); 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = hostapd_check_ht_capab(iface); 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0) 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == 1) { 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Interface initialization will " 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "be completed in a callback"); 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return hostapd_setup_interface_complete(iface, 0); 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hostapd_setup_interface_complete(struct hostapd_iface *iface, int err) 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = iface->bss[0]; 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t j; 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *prev_addr; 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (err) { 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Interface initialization failed"); 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_terminate(); 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Completing interface initialization"); 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iconf->channel) { 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel); 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Mode: %s Channel: %d " 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Frequency: %d MHz", 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_hw_mode_txt(hapd->iconf->hw_mode), 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iconf->channel, iface->freq); 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq, 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iconf->channel, 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iconf->ieee80211n, 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iconf->secondary_channel)) { 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not set channel for " 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "kernel driver"); 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (iface->current_mode) { 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_prepare_rates(hapd, iface->current_mode)) { 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to prepare rates " 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "table."); 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_WARNING, 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Failed to prepare rates table."); 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iconf->rts_threshold > -1 && 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) { 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not set RTS threshold for " 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "kernel driver"); 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iconf->fragm_threshold > -1 && 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) { 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Could not set fragmentation threshold " 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "for kernel driver"); 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev_addr = hapd->own_addr; 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; j < iface->num_bss; j++) { 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd = iface->bss[j]; 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (j) 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN); 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_setup_bss(hapd, j == 0)) 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev_addr = hapd->own_addr; 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_tx_queue_params(iface); 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_list_init(iface); 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hostapd_driver_commit(hapd) < 0) { 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "%s: Failed to commit driver " 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "configuration", __func__); 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->setup_complete_cb) 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->setup_complete_cb(hapd->setup_complete_cb_ctx); 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "%s: Setup of interface done.", 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->bss[0]->conf->iface); 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_setup_interface - Setup of an interface 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @iface: Pointer to interface data. 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Initializes the driver interface, validates the configuration, 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and sets driver parameters based on the configuration. 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Flushes old stations, sets the channel, encryption, 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * beacons, and WDS links based on the configuration. 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hostapd_setup_interface(struct hostapd_iface *iface) 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = setup_interface(iface); 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret) { 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "%s: Unable to setup interface.", 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iface->bss[0]->conf->iface); 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_alloc_bss_data - Allocate and initialize per-BSS data 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd_iface: Pointer to interface data 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conf: Pointer to per-interface configuration 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @bss: Pointer to per-BSS configuration for this BSS 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to allocated BSS data 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to allocate per-BSS data structure. This data will be 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * freed after hostapd_cleanup() is called for it during interface 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * deinitialization. 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct hostapd_data * 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidthostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_config *conf, 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_bss_config *bss) 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd; 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd = os_zalloc(sizeof(*hapd)); 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd == NULL) 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->new_assoc_sta_cb = hostapd_new_assoc_sta; 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iconf = conf; 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->conf = bss; 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface = hapd_iface; 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->driver = hapd->iconf->driver; 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return hapd; 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid hostapd_interface_deinit(struct hostapd_iface *iface) 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t j; 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (iface == NULL) 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_cleanup_iface_pre(iface); 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; j < iface->num_bss; j++) { 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = iface->bss[j]; 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_free_stas(hapd); 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_flush_old_stations(hapd); 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_cleanup(hapd); 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid hostapd_interface_free(struct hostapd_iface *iface) 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t j; 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; j < iface->num_bss; j++) 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(iface->bss[j]); 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_cleanup_iface(iface); 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd_new_assoc_sta - Notify that a new station associated with the AP 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @hapd: Pointer to BSS data 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sta: Pointer to the associated STA data 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reassoc: 1 to indicate this was a re-association; 0 = first association 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function will be called whenever a station associates with the AP. It 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * can be called from ieee802_11.c for drivers that export MLME to hostapd and 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * from drv_callbacks.c based on driver events for drivers that take care of 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * management frames (IEEE 802.11 authentication and association) internally. 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int reassoc) 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->tkip_countermeasures) { 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_sta_deauth(hapd, sta->addr, 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_REASON_MICHAEL_MIC_FAILURE); 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_prune_associations(hapd, sta->addr); 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* IEEE 802.11F (IAPP) */ 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->ieee802_11f) 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt iapp_new_station(hapd->iapp, sta); 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->p2p_ie == NULL && !sta->no_p2p_set) { 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->no_p2p_set = 1; 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->num_sta_no_p2p++; 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->num_sta_no_p2p == 1) 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_p2p_non_p2p_sta_connected(hapd); 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Start accounting here, if IEEE 802.1X and WPA are not used. 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE 802.1X/WPA code will start accounting after the station has 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * been authorized. */ 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_start(hapd, sta); 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Start IEEE 802.1X authentication process for new stations */ 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_new_station(hapd, sta); 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reassoc) { 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->auth_alg != WLAN_AUTH_FT && 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH); 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm); 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 930