drv_callbacks.c revision 75ecf5267604f166b85a7ee2cf0d9cb682966680
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / Callback functions for driver wrappers 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 "radius/radius.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "drivers/driver.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_common.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/wpa_ctrl.h" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/random.h" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "p2p/p2p.h" 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps/wps.h" 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "hostapd.h" 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_11.h" 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "sta_info.h" 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "accounting.h" 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "tkip_countermeasures.h" 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "iapp.h" 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_1x.h" 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth.h" 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wmm.h" 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps_hostapd.h" 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_drv_ops.h" 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_config.h" 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ie, size_t ielen, int reassoc) 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int new_assoc, res; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_11_elems elems; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *all_ies = ie; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t all_ies_len = ielen; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr == NULL) { 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This could potentially happen with unexpected event from the 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * driver wrapper. This was seen at least in one case where the 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * driver ended up being set to station mode while hostapd was 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * running, so better make sure we stop processing such an 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * event here. 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "hostapd_notif_assoc: Skip event with " 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "no address"); 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt random_add_randomness(addr, ETH_ALEN); 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, "associated"); 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_11_parse_elems(ie, ielen, &elems, 0); 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (elems.wps_ie) { 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = elems.wps_ie - 2; 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ielen = elems.wps_ie_len + 2; 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq"); 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (elems.rsn_ie) { 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = elems.rsn_ie - 2; 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ielen = elems.rsn_ie_len + 2; 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq"); 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (elems.wpa_ie) { 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = elems.wpa_ie - 2; 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ielen = elems.wpa_ie_len + 2; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq"); 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = NULL; 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ielen = 0; 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "STA did not include WPS/RSN/WPA IE in " 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(Re)AssocReq"); 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = ap_get_sta(hapd, addr); 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) { 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt accounting_sta_stop(hapd, sta); 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = ap_sta_add(hapd, addr); 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta == NULL) 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS); 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (elems.p2p) { 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sta->p2p_ie); 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->p2p_ie = ieee802_11_vendor_ie_concat(all_ies, all_ies_len, 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt P2P_IE_VENDOR_TYPE); 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wpa) { 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ie == NULL || ielen == 0) { 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wps_state) { 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "STA did not include " 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPA/RSN IE in (Re)Association " 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Request - possible WPS use"); 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->flags |= WLAN_STA_MAYBE_WPS; 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto skip_wpa_check; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA"); 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 && 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) { 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->flags |= WLAN_STA_WPS; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto skip_wpa_check; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->wpa_sm == NULL) 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->addr); 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta->wpa_sm == NULL) { 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "Failed to initialize WPA state " 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "machine"); 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm, 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie, ielen, NULL, 0); 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res != WPA_IE_OK) { 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int resp; 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPA/RSN information element " 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "rejected? (res %u)", res); 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "IE", ie, ielen); 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res == WPA_INVALID_GROUP) 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID; 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (res == WPA_INVALID_PAIRWISE) 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID; 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (res == WPA_INVALID_AKMP) 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = WLAN_REASON_AKMP_NOT_VALID; 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = WLAN_REASON_INVALID_IE; 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = WLAN_REASON_GROUP_CIPHER_NOT_VALID; 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = WLAN_REASON_INVALID_IE; 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_sta_disassoc(hapd, sta->addr, resp); 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_free_sta(hapd, sta); 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (hapd->conf->wps_state) { 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_STRICT 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ie) { 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *wps; 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps = ieee802_11_vendor_ie_concat(ie, ielen, 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_IE_VENDOR_TYPE); 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps && wps_validate_assoc_req(wps) < 0) { 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_sta_disassoc( 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd, sta->addr, 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_REASON_INVALID_IE); 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_free_sta(hapd, sta); 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps); 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps); 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_STRICT */ 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 && 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) { 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->flags |= WLAN_STA_WPS; 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->flags |= WLAN_STA_MAYBE_WPS; 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtskip_wpa_check: 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0; 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC); 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_new_assoc_sta(hapd, sta, !new_assoc); 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_notify_port_enabled(sta->eapol_sm, 1); 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p2p_group_notif_assoc(hapd->p2p_group, sta->addr, 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt all_ies, all_ies_len); 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr) 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta; 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr == NULL) { 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This could potentially happen with unexpected event from the 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * driver wrapper. This was seen at least in one case where the 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * driver ended up reporting a station mode event while hostapd 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * was running, so better make sure we stop processing such an 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * event here. 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "hostapd_notif_disassoc: Skip event " 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "with no address"); 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, "disassociated"); 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = ap_get_sta(hapd, addr); 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta == NULL) { 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Disassociation notification for " 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unknown STA " MACSTR, MAC2STR(addr)); 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR, 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sta->addr)); 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC); 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_free_sta(hapd, sta); 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr) 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = ap_get_sta(hapd, addr); 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sta || !hapd->conf->disassoc_low_ack) 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt HOSTAPD_LEVEL_INFO, "disconnected due to excessive " 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "missing ACKs"); 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK); 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK); 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ie, size_t ie_len) 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret = 0; 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sa == NULL || ie == NULL) 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt random_add_randomness(sa, ETH_ALEN); 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) { 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sa, ie, ie_len) > 0) { 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = 1; 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef HOSTAPD 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef NEED_AP_MLME 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const u8 * get_hdr_bssid(const struct ieee80211_hdr *hdr, size_t len) 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 fc, type, stype; 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PS-Poll frames are 16 bytes. All other frames are 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 24 bytes or longer. 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < 16) 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fc = le_to_host16(hdr->frame_control); 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = WLAN_FC_GET_TYPE(fc); 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt stype = WLAN_FC_GET_STYPE(fc); 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (type) { 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WLAN_FC_TYPE_DATA: 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < 24) 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) { 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WLAN_FC_FROMDS | WLAN_FC_TODS: 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WLAN_FC_TODS: 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return hdr->addr1; 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WLAN_FC_FROMDS: 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return hdr->addr2; 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WLAN_FC_TYPE_CTRL: 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (stype != WLAN_FC_STYPE_PSPOLL) 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return hdr->addr1; 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WLAN_FC_TYPE_MGMT: 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return hdr->addr3; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define HAPD_BROADCAST ((struct hostapd_data *) -1) 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface, 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *bssid) 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bssid == NULL) 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff && 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff) 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return HAPD_BROADCAST; 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < iface->num_bss; i++) { 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return iface->bss[i]; 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *frame, size_t len) 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *) frame; 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 fc = le_to_host16(hdr->frame_control); 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd == NULL || hapd == HAPD_BROADCAST) 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_11_rx_from_unknown(hapd, hdr->addr2, 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) == 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (WLAN_FC_TODS | WLAN_FC_FROMDS)); 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt) 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_iface *iface = hapd->iface; 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee80211_hdr *hdr; 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *bssid; 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_frame_info fi; 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (const struct ieee80211_hdr *) rx_mgmt->frame; 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len); 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (bssid == NULL) 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd = get_hapd_bssid(iface, bssid); 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd == NULL) { 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 fc; 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fc = le_to_host16(hdr->frame_control); 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Drop frames to unknown BSSIDs except for Beacon frames which 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * could be used to update neighbor information. 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd = iface->bss[0]; 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&fi, 0, sizeof(fi)); 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fi.datarate = rx_mgmt->datarate; 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt fi.ssi_signal = rx_mgmt->ssi_signal; 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd == HAPD_BROADCAST) { 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < iface->num_bss; i++) 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame, 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rx_mgmt->frame_len, &fi); 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, &fi); 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt random_add_randomness(&fi, sizeof(fi)); 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 39975ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinenstatic void hostapd_rx_action(struct hostapd_data *hapd, 40075ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen struct rx_action *rx_action) 40175ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen{ 40275ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen struct rx_mgmt rx_mgmt; 40375ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen u8 *buf; 40475ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen struct ieee80211_hdr *hdr; 40575ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen 40675ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen wpa_printf(MSG_DEBUG, "EVENT_RX_ACTION DA=" MACSTR " SA=" MACSTR 40775ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen " BSSID=" MACSTR " category=%u", 40875ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen MAC2STR(rx_action->da), MAC2STR(rx_action->sa), 40975ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen MAC2STR(rx_action->bssid), rx_action->category); 41075ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen wpa_hexdump(MSG_MSGDUMP, "Received action frame contents", 41175ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen rx_action->data, rx_action->len); 41275ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen 41375ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen buf = os_zalloc(24 + 1 + rx_action->len); 41475ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen if (buf == NULL) 41575ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen return; 41675ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen hdr = (struct ieee80211_hdr *) buf; 41775ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 41875ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen WLAN_FC_STYPE_ACTION); 41975ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen if (rx_action->category == WLAN_ACTION_SA_QUERY) { 42075ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen /* 42175ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen * Assume frame was protected; it would have been dropped if 42275ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen * not. 42375ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen */ 42475ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP); 42575ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen } 42675ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen os_memcpy(hdr->addr1, rx_action->da, ETH_ALEN); 42775ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen os_memcpy(hdr->addr2, rx_action->sa, ETH_ALEN); 42875ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen os_memcpy(hdr->addr3, rx_action->bssid, ETH_ALEN); 42975ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen buf[24] = rx_action->category; 43075ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen os_memcpy(buf + 24 + 1, rx_action->data, rx_action->len); 43175ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen os_memset(&rx_mgmt, 0, sizeof(rx_mgmt)); 43275ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen rx_mgmt.frame = buf; 43375ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen rx_mgmt.frame_len = 24 + 1 + rx_action->len; 43475ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen hostapd_mgmt_rx(hapd, &rx_mgmt); 43575ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen os_free(buf); 43675ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen} 43775ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen 43875ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf, 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len, u16 stype, int ok) 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee80211_hdr *hdr; 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct ieee80211_hdr *) buf; 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd == NULL || hapd == HAPD_BROADCAST) 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_11_mgmt_cb(hapd, buf, len, stype, ok); 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* NEED_AP_MLME */ 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr) 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct sta_info *sta = ap_get_sta(hapd, addr); 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " - adding a new STA", MAC2STR(addr)); 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sta = ap_sta_add(hapd, addr); 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sta) { 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_new_assoc_sta(hapd, sta, 0); 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR, 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(addr)); 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src, 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *data, size_t data_len) 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_iface *iface = hapd->iface; 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t j; 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; j < iface->num_bss; j++) { 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ap_get_sta(iface->bss[j], src)) { 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd = iface->bss[j]; 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ieee802_1x_receive(hapd, src, data, data_len); 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wpa_supplicant_event(void *ctx, enum wpa_event_type event, 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt union wpa_event_data *data) 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct hostapd_data *hapd = ctx; 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (event) { 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_MICHAEL_MIC_FAILURE: 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt michael_mic_failure(hapd, data->michael_mic_failure.src, 1); 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_SCAN_RESULTS: 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hapd->iface->scan_cb) 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hapd->iface->scan_cb(hapd->iface); 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_FT_RRB_RX: 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_ft_rrb_rx(hapd->wpa_auth, data->ft_rrb_rx.src, 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ft_rrb_rx.data, data->ft_rrb_rx.data_len); 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_WPS_BUTTON_PUSHED: 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_wps_button_pushed(hapd, NULL); 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef NEED_AP_MLME 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_TX_STATUS: 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (data->tx_status.type) { 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WLAN_FC_TYPE_MGMT: 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_mgmt_tx_cb(hapd, data->tx_status.data, 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->tx_status.data_len, 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->tx_status.stype, 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->tx_status.ack); 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WLAN_FC_TYPE_DATA: 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_tx_status(hapd, data->tx_status.dst, 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->tx_status.data, 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->tx_status.data_len, 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->tx_status.ack); 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_RX_FROM_UNKNOWN: 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.frame, 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rx_from_unknown.len); 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_RX_MGMT: 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_mgmt_rx(hapd, &data->rx_mgmt); 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* NEED_AP_MLME */ 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_RX_PROBE_REQ: 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->rx_probe_req.sa == NULL || 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rx_probe_req.ie == NULL) 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_probe_req_rx(hapd, data->rx_probe_req.sa, 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rx_probe_req.ie, 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rx_probe_req.ie_len); 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_NEW_STA: 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_event_new_sta(hapd, data->new_sta.addr); 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_EAPOL_RX: 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_event_eapol_rx(hapd, data->eapol_rx.src, 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->eapol_rx.data, 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->eapol_rx.data_len); 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_ASSOC: 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_notif_assoc(hapd, data->assoc_info.addr, 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->assoc_info.req_ies, 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->assoc_info.req_ies_len, 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->assoc_info.reassoc); 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_DISASSOC: 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data) 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_notif_disassoc(hapd, data->disassoc_info.addr); 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_DEAUTH: 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data) 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_notif_disassoc(hapd, data->deauth_info.addr); 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EVENT_STATION_LOW_ACK: 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!data) 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hostapd_event_sta_low_ack(hapd, data->low_ack.addr); 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 57375ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen#ifdef NEED_AP_MLME 57475ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen case EVENT_RX_ACTION: 57575ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen if (data->rx_action.da == NULL || data->rx_action.sa == NULL || 57675ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen data->rx_action.bssid == NULL) 57775ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen break; 57875ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen hostapd_rx_action(hapd, &data->rx_action); 57975ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen break; 58075ecf5267604f166b85a7ee2cf0d9cb682966680Jouni Malinen#endif /* NEED_AP_MLME */ 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Unknown event %d", event); 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* HOSTAPD */ 588