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Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * hostapd / Callback functions for driver wrappers
Dmitry Shmidt391c59f2013-09-03 12:16:28 -07003 * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007 */
8
9#include "utils/includes.h"
10
11#include "utils/common.h"
Dmitry Shmidt7832adb2014-04-29 10:53:02 -070012#include "utils/eloop.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070013#include "radius/radius.h"
14#include "drivers/driver.h"
15#include "common/ieee802_11_defs.h"
16#include "common/ieee802_11_common.h"
Dmitry Shmidtf8623282013-02-20 14:34:59 -080017#include "common/wpa_ctrl.h"
Hai Shalom021b0b52019-04-10 11:17:58 -070018#include "common/dpp.h"
Hai Shalomc3565922019-10-28 11:58:20 -070019#include "common/sae.h"
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -080020#include "common/hw_features_common.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070021#include "crypto/random.h"
22#include "p2p/p2p.h"
23#include "wps/wps.h"
Dmitry Shmidtd80a4012015-11-05 16:35:40 -080024#include "fst/fst.h"
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070025#include "wnm_ap.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070026#include "hostapd.h"
27#include "ieee802_11.h"
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -080028#include "ieee802_11_auth.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070029#include "sta_info.h"
30#include "accounting.h"
31#include "tkip_countermeasures.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070032#include "ieee802_1x.h"
33#include "wpa_auth.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070034#include "wps_hostapd.h"
35#include "ap_drv_ops.h"
36#include "ap_config.h"
Dmitry Shmidtd2986c22017-10-23 14:22:09 -070037#include "ap_mlme.h"
Dmitry Shmidt04949592012-07-19 12:16:46 -070038#include "hw_features.h"
Dmitry Shmidt051af732013-10-22 13:52:46 -070039#include "dfs.h"
Dmitry Shmidt7832adb2014-04-29 10:53:02 -070040#include "beacon.h"
Dmitry Shmidt57c2d392016-02-23 13:40:19 -080041#include "mbo_ap.h"
Dmitry Shmidtd2986c22017-10-23 14:22:09 -070042#include "dpp_hostapd.h"
43#include "fils_hlp.h"
Hai Shalom74f70d42019-02-11 14:42:39 -080044#include "neighbor_db.h"
Dmitry Shmidtd2986c22017-10-23 14:22:09 -070045
46
47#ifdef CONFIG_FILS
48void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
49 struct sta_info *sta)
50{
51 u16 reply_res = WLAN_STATUS_SUCCESS;
52 struct ieee802_11_elems elems;
53 u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
54 int new_assoc;
55
56 wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR,
57 __func__, MAC2STR(sta->addr));
58 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
59 if (!sta->fils_pending_assoc_req)
60 return;
61
62 ieee802_11_parse_elems(sta->fils_pending_assoc_req,
63 sta->fils_pending_assoc_req_len, &elems, 0);
64 if (!elems.fils_session) {
65 wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
66 __func__);
67 return;
68 }
69
70 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
71 elems.fils_session,
72 sta->fils_hlp_resp);
73
74 reply_res = hostapd_sta_assoc(hapd, sta->addr,
75 sta->fils_pending_assoc_is_reassoc,
76 WLAN_STATUS_SUCCESS,
77 buf, p - buf);
78 ap_sta_set_authorized(hapd, sta, 1);
79 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
80 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
81 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
82 hostapd_set_sta_flags(hapd, sta);
83 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
84 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
85 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
86 os_free(sta->fils_pending_assoc_req);
87 sta->fils_pending_assoc_req = NULL;
88 sta->fils_pending_assoc_req_len = 0;
89 wpabuf_free(sta->fils_hlp_resp);
90 sta->fils_hlp_resp = NULL;
91 wpabuf_free(sta->hlp_dhcp_discover);
92 sta->hlp_dhcp_discover = NULL;
93 fils_hlp_deinit(hapd);
94
95 /*
96 * Remove the station in case transmission of a success response fails
97 * (the STA was added associated to the driver) or if the station was
98 * previously added unassociated.
99 */
100 if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
101 hostapd_drv_sta_remove(hapd, sta->addr);
102 sta->added_unassoc = 0;
103 }
104}
105#endif /* CONFIG_FILS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700106
107
108int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800109 const u8 *req_ies, size_t req_ies_len, int reassoc)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700110{
111 struct sta_info *sta;
112 int new_assoc, res;
113 struct ieee802_11_elems elems;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800114 const u8 *ie;
115 size_t ielen;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700116 u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
117 u8 *p = buf;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800118 u16 reason = WLAN_REASON_UNSPECIFIED;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700119 u16 status = WLAN_STATUS_SUCCESS;
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700120 const u8 *p2p_dev_addr = NULL;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700121
122 if (addr == NULL) {
123 /*
124 * This could potentially happen with unexpected event from the
125 * driver wrapper. This was seen at least in one case where the
126 * driver ended up being set to station mode while hostapd was
127 * running, so better make sure we stop processing such an
128 * event here.
129 */
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800130 wpa_printf(MSG_DEBUG,
131 "hostapd_notif_assoc: Skip event with no address");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700132 return -1;
133 }
Hai Shalomc3565922019-10-28 11:58:20 -0700134
135 if (is_multicast_ether_addr(addr) ||
136 is_zero_ether_addr(addr) ||
137 os_memcmp(addr, hapd->own_addr, ETH_ALEN) == 0) {
138 /* Do not process any frames with unexpected/invalid SA so that
139 * we do not add any state for unexpected STA addresses or end
140 * up sending out frames to unexpected destination. */
141 wpa_printf(MSG_DEBUG, "%s: Invalid SA=" MACSTR
142 " in received indication - ignore this indication silently",
143 __func__, MAC2STR(addr));
144 return 0;
145 }
146
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700147 random_add_randomness(addr, ETH_ALEN);
148
149 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
150 HOSTAPD_LEVEL_INFO, "associated");
151
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800152 ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700153 if (elems.wps_ie) {
154 ie = elems.wps_ie - 2;
155 ielen = elems.wps_ie_len + 2;
156 wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
157 } else if (elems.rsn_ie) {
158 ie = elems.rsn_ie - 2;
159 ielen = elems.rsn_ie_len + 2;
160 wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
161 } else if (elems.wpa_ie) {
162 ie = elems.wpa_ie - 2;
163 ielen = elems.wpa_ie_len + 2;
164 wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
Dmitry Shmidtf21452a2014-02-26 10:55:25 -0800165#ifdef CONFIG_HS20
166 } else if (elems.osen) {
167 ie = elems.osen - 2;
168 ielen = elems.osen_len + 2;
169 wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
170#endif /* CONFIG_HS20 */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700171 } else {
172 ie = NULL;
173 ielen = 0;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800174 wpa_printf(MSG_DEBUG,
175 "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700176 }
177
178 sta = ap_get_sta(hapd, addr);
179 if (sta) {
Dmitry Shmidt34af3062013-07-11 10:46:32 -0700180 ap_sta_no_session_timeout(hapd, sta);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700181 accounting_sta_stop(hapd, sta);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700182
183 /*
184 * Make sure that the previously registered inactivity timer
185 * will not remove the STA immediately.
186 */
187 sta->timeout_next = STA_NULLFUNC;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700188 } else {
189 sta = ap_sta_add(hapd, addr);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700190 if (sta == NULL) {
191 hostapd_drv_sta_disassoc(hapd, addr,
192 WLAN_REASON_DISASSOC_AP_BUSY);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700193 return -1;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700194 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700195 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800196 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700197
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -0700198 /*
199 * ACL configurations to the drivers (implementing AP SME and ACL
200 * offload) without hostapd's knowledge, can result in a disconnection
201 * though the driver accepts the connection. Skip the hostapd check for
202 * ACL if the driver supports ACL offload to avoid potentially
203 * conflicting ACL rules.
204 */
205 if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
206 hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
Dmitry Shmidtd7ff03d2015-12-04 14:49:35 -0800207 wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
208 MAC2STR(addr));
209 reason = WLAN_REASON_UNSPECIFIED;
210 goto fail;
211 }
212
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700213#ifdef CONFIG_P2P
214 if (elems.p2p) {
215 wpabuf_free(sta->p2p_ie);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800216 sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700217 P2P_IE_VENDOR_TYPE);
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700218 if (sta->p2p_ie)
219 p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700220 }
221#endif /* CONFIG_P2P */
222
Dmitry Shmidt7832adb2014-04-29 10:53:02 -0700223#ifdef CONFIG_IEEE80211N
224#ifdef NEED_AP_MLME
225 if (elems.ht_capabilities &&
Dmitry Shmidt7832adb2014-04-29 10:53:02 -0700226 (hapd->iface->conf->ht_capab &
227 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
228 struct ieee80211_ht_capabilities *ht_cap =
229 (struct ieee80211_ht_capabilities *)
230 elems.ht_capabilities;
231
232 if (le_to_host16(ht_cap->ht_capabilities_info) &
233 HT_CAP_INFO_40MHZ_INTOLERANT)
234 ht40_intolerant_add(hapd->iface, sta);
235 }
236#endif /* NEED_AP_MLME */
237#endif /* CONFIG_IEEE80211N */
238
Dmitry Shmidt051af732013-10-22 13:52:46 -0700239#ifdef CONFIG_INTERWORKING
240 if (elems.ext_capab && elems.ext_capab_len > 4) {
241 if (elems.ext_capab[4] & 0x01)
242 sta->qos_map_enabled = 1;
243 }
244#endif /* CONFIG_INTERWORKING */
245
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800246#ifdef CONFIG_HS20
247 wpabuf_free(sta->hs20_ie);
248 if (elems.hs20 && elems.hs20_len > 4) {
249 sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
250 elems.hs20_len - 4);
251 } else
252 sta->hs20_ie = NULL;
Roshan Pius3a1667e2018-07-03 15:17:14 -0700253
254 wpabuf_free(sta->roaming_consortium);
255 if (elems.roaming_cons_sel)
256 sta->roaming_consortium = wpabuf_alloc_copy(
257 elems.roaming_cons_sel + 4,
258 elems.roaming_cons_sel_len - 4);
259 else
260 sta->roaming_consortium = NULL;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -0800261#endif /* CONFIG_HS20 */
262
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800263#ifdef CONFIG_FST
264 wpabuf_free(sta->mb_ies);
265 if (hapd->iface->fst)
266 sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
267 else
268 sta->mb_ies = NULL;
269#endif /* CONFIG_FST */
270
Dmitry Shmidt57c2d392016-02-23 13:40:19 -0800271 mbo_ap_check_sta_assoc(hapd, sta, &elems);
272
Dmitry Shmidt9c175262016-03-03 10:20:07 -0800273 ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
274 elems.supp_op_classes_len);
275
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700276 if (hapd->conf->wpa) {
277 if (ie == NULL || ielen == 0) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800278#ifdef CONFIG_WPS
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700279 if (hapd->conf->wps_state) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800280 wpa_printf(MSG_DEBUG,
281 "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700282 sta->flags |= WLAN_STA_MAYBE_WPS;
283 goto skip_wpa_check;
284 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800285#endif /* CONFIG_WPS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700286
287 wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
Roshan Pius3a1667e2018-07-03 15:17:14 -0700288 reason = WLAN_REASON_INVALID_IE;
289 status = WLAN_STATUS_INVALID_IE;
290 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700291 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800292#ifdef CONFIG_WPS
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700293 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
294 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800295 struct wpabuf *wps;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800296
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700297 sta->flags |= WLAN_STA_WPS;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800298 wps = ieee802_11_vendor_ie_concat(ie, ielen,
299 WPS_IE_VENDOR_TYPE);
300 if (wps) {
301 if (wps_is_20(wps)) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800302 wpa_printf(MSG_DEBUG,
303 "WPS: STA supports WPS 2.0");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800304 sta->flags |= WLAN_STA_WPS2;
305 }
306 wpabuf_free(wps);
307 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700308 goto skip_wpa_check;
309 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800310#endif /* CONFIG_WPS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700311
312 if (sta->wpa_sm == NULL)
313 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700314 sta->addr,
315 p2p_dev_addr);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700316 if (sta->wpa_sm == NULL) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800317 wpa_printf(MSG_ERROR,
318 "Failed to initialize WPA state machine");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700319 return -1;
320 }
321 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
Hai Shalom021b0b52019-04-10 11:17:58 -0700322 hapd->iface->freq,
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700323 ie, ielen,
Hai Shalomc3565922019-10-28 11:58:20 -0700324 elems.rsnxe ? elems.rsnxe - 2 : NULL,
325 elems.rsnxe ? elems.rsnxe_len + 2 : 0,
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700326 elems.mdie, elems.mdie_len,
327 elems.owe_dh, elems.owe_dh_len);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700328 if (res != WPA_IE_OK) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800329 wpa_printf(MSG_DEBUG,
330 "WPA/RSN information element rejected? (res %u)",
331 res);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700332 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700333 if (res == WPA_INVALID_GROUP) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800334 reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700335 status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
336 } else if (res == WPA_INVALID_PAIRWISE) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800337 reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700338 status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
339 } else if (res == WPA_INVALID_AKMP) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800340 reason = WLAN_REASON_AKMP_NOT_VALID;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700341 status = WLAN_STATUS_AKMP_NOT_VALID;
Hai Shalomc3565922019-10-28 11:58:20 -0700342 } else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800343 reason = WLAN_REASON_INVALID_IE;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700344 status = WLAN_STATUS_INVALID_IE;
345 } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
Roshan Pius3a1667e2018-07-03 15:17:14 -0700346 reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
347 status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800348 } else if (res == WPA_INVALID_PMKID) {
349 reason = WLAN_REASON_INVALID_PMKID;
350 status = WLAN_STATUS_INVALID_PMKID;
Hai Shalomc3565922019-10-28 11:58:20 -0700351 } else {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800352 reason = WLAN_REASON_INVALID_IE;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700353 status = WLAN_STATUS_INVALID_IE;
354 }
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800355 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700356 }
Hai Shalomc3565922019-10-28 11:58:20 -0700357
Hai Shalom39ba6fc2019-01-22 12:40:38 -0800358 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
359 (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
360 !sta->sa_query_timed_out &&
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700361 sta->sa_query_count > 0)
362 ap_check_sa_query_timeout(hapd, sta);
Hai Shalom39ba6fc2019-01-22 12:40:38 -0800363 if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
364 (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
365 !sta->sa_query_timed_out &&
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700366 (sta->auth_alg != WLAN_AUTH_FT)) {
367 /*
368 * STA has already been associated with MFP and SA
369 * Query timeout has not been reached. Reject the
370 * association attempt temporarily and start SA Query,
371 * if one is not pending.
372 */
373
374 if (sta->sa_query_count == 0)
375 ap_sta_start_sa_query(hapd, sta);
376
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700377 status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
378
379 p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
380
381 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
382 p - buf);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700383 return 0;
384 }
385
386 if (wpa_auth_uses_mfp(sta->wpa_sm))
387 sta->flags |= WLAN_STA_MFP;
388 else
389 sta->flags &= ~WLAN_STA_MFP;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700390
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -0800391#ifdef CONFIG_IEEE80211R_AP
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700392 if (sta->auth_alg == WLAN_AUTH_FT) {
393 status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
394 req_ies_len);
395 if (status != WLAN_STATUS_SUCCESS) {
396 if (status == WLAN_STATUS_INVALID_PMKID)
397 reason = WLAN_REASON_INVALID_IE;
398 if (status == WLAN_STATUS_INVALID_MDIE)
399 reason = WLAN_REASON_INVALID_IE;
400 if (status == WLAN_STATUS_INVALID_FTIE)
401 reason = WLAN_REASON_INVALID_IE;
402 goto fail;
403 }
404 }
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -0800405#endif /* CONFIG_IEEE80211R_AP */
Hai Shalomc3565922019-10-28 11:58:20 -0700406#ifdef CONFIG_SAE
407 if (hapd->conf->sae_pwe == 2 &&
408 sta->auth_alg == WLAN_AUTH_SAE &&
409 sta->sae && sta->sae->tmp && !sta->sae->tmp->h2e &&
410 elems.rsnxe && elems.rsnxe_len >= 1 &&
411 (elems.rsnxe[0] & BIT(WLAN_RSNX_CAPAB_SAE_H2E))) {
412 wpa_printf(MSG_INFO, "SAE: " MACSTR
413 " indicates support for SAE H2E, but did not use it",
414 MAC2STR(sta->addr));
415 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
416 reason = WLAN_REASON_UNSPECIFIED;
417 goto fail;
418 }
419#endif /* CONFIG_SAE */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700420 } else if (hapd->conf->wps_state) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800421#ifdef CONFIG_WPS
422 struct wpabuf *wps;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800423
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800424 if (req_ies)
425 wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700426 WPS_IE_VENDOR_TYPE);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800427 else
428 wps = NULL;
429#ifdef CONFIG_WPS_STRICT
430 if (wps && wps_validate_assoc_req(wps) < 0) {
431 reason = WLAN_REASON_INVALID_IE;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700432 status = WLAN_STATUS_INVALID_IE;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700433 wpabuf_free(wps);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800434 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700435 }
436#endif /* CONFIG_WPS_STRICT */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800437 if (wps) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700438 sta->flags |= WLAN_STA_WPS;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800439 if (wps_is_20(wps)) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800440 wpa_printf(MSG_DEBUG,
441 "WPS: STA supports WPS 2.0");
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800442 sta->flags |= WLAN_STA_WPS2;
443 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700444 } else
445 sta->flags |= WLAN_STA_MAYBE_WPS;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800446 wpabuf_free(wps);
447#endif /* CONFIG_WPS */
Dmitry Shmidtf21452a2014-02-26 10:55:25 -0800448#ifdef CONFIG_HS20
449 } else if (hapd->conf->osen) {
450 if (elems.osen == NULL) {
451 hostapd_logger(
452 hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
453 HOSTAPD_LEVEL_INFO,
454 "No HS 2.0 OSEN element in association request");
455 return WLAN_STATUS_INVALID_IE;
456 }
457
458 wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
459 if (sta->wpa_sm == NULL)
460 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
461 sta->addr, NULL);
462 if (sta->wpa_sm == NULL) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800463 wpa_printf(MSG_WARNING,
464 "Failed to initialize WPA state machine");
Dmitry Shmidtf21452a2014-02-26 10:55:25 -0800465 return WLAN_STATUS_UNSPECIFIED_FAILURE;
466 }
467 if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
468 elems.osen - 2, elems.osen_len + 2) < 0)
469 return WLAN_STATUS_INVALID_IE;
470#endif /* CONFIG_HS20 */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700471 }
Dmitry Shmidt57c2d392016-02-23 13:40:19 -0800472
473#ifdef CONFIG_MBO
474 if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
475 elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
476 hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
477 wpa_printf(MSG_INFO,
478 "MBO: Reject WPA2 association without PMF");
479 return WLAN_STATUS_UNSPECIFIED_FAILURE;
480 }
481#endif /* CONFIG_MBO */
482
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800483#ifdef CONFIG_WPS
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700484skip_wpa_check:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800485#endif /* CONFIG_WPS */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700486
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -0800487#ifdef CONFIG_IEEE80211R_AP
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700488 p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
489 sta->auth_alg, req_ies, req_ies_len);
Roshan Pius3a1667e2018-07-03 15:17:14 -0700490 if (!p) {
491 wpa_printf(MSG_DEBUG, "FT: Failed to write AssocResp IEs");
492 return WLAN_STATUS_UNSPECIFIED_FAILURE;
493 }
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700494#endif /* CONFIG_IEEE80211R_AP */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700495
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700496#ifdef CONFIG_FILS
497 if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
498 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
499 sta->auth_alg == WLAN_AUTH_FILS_PK) {
500 int delay_assoc = 0;
501
502 if (!req_ies)
503 return WLAN_STATUS_UNSPECIFIED_FAILURE;
504
505 if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
506 req_ies_len,
507 sta->fils_session)) {
508 wpa_printf(MSG_DEBUG,
509 "FILS: Session validation failed");
510 return WLAN_STATUS_UNSPECIFIED_FAILURE;
511 }
512
513 res = wpa_fils_validate_key_confirm(sta->wpa_sm, req_ies,
514 req_ies_len);
515 if (res < 0) {
516 wpa_printf(MSG_DEBUG,
517 "FILS: Key Confirm validation failed");
518 return WLAN_STATUS_UNSPECIFIED_FAILURE;
519 }
520
521 if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
522 wpa_printf(MSG_DEBUG,
523 "FILS: Delaying Assoc Response (HLP)");
524 delay_assoc = 1;
525 } else {
526 wpa_printf(MSG_DEBUG,
527 "FILS: Going ahead with Assoc Response (no HLP)");
528 }
529
530 if (sta) {
531 wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
532 eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
533 os_free(sta->fils_pending_assoc_req);
534 sta->fils_pending_assoc_req = NULL;
535 sta->fils_pending_assoc_req_len = 0;
536 wpabuf_free(sta->fils_hlp_resp);
537 sta->fils_hlp_resp = NULL;
538 sta->fils_drv_assoc_finish = 0;
539 }
540
541 if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
542 u8 *req_tmp;
543
544 req_tmp = os_malloc(req_ies_len);
545 if (!req_tmp) {
546 wpa_printf(MSG_DEBUG,
547 "FILS: buffer allocation failed for assoc req");
548 goto fail;
549 }
550 os_memcpy(req_tmp, req_ies, req_ies_len);
551 sta->fils_pending_assoc_req = req_tmp;
552 sta->fils_pending_assoc_req_len = req_ies_len;
553 sta->fils_pending_assoc_is_reassoc = reassoc;
554 sta->fils_drv_assoc_finish = 1;
555 wpa_printf(MSG_DEBUG,
556 "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
557 MACSTR, MAC2STR(sta->addr));
558 eloop_register_timeout(
559 0, hapd->conf->fils_hlp_wait_time * 1024,
560 fils_hlp_timeout, hapd, sta);
561 return 0;
562 }
563 p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
564 elems.fils_session,
565 sta->fils_hlp_resp);
566 wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
567 buf, p - buf);
568 }
569#endif /* CONFIG_FILS */
570
Roshan Pius3a1667e2018-07-03 15:17:14 -0700571#ifdef CONFIG_OWE
572 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
573 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_OWE &&
574 elems.owe_dh) {
575 u8 *npos;
576
577 npos = owe_assoc_req_process(hapd, sta,
578 elems.owe_dh, elems.owe_dh_len,
579 p, sizeof(buf) - (p - buf),
580 &reason);
581 if (npos)
582 p = npos;
583 if (!npos &&
584 reason == WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
585 status = WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED;
586 hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
587 p - buf);
588 return 0;
589 }
590
591 if (!npos || reason != WLAN_STATUS_SUCCESS)
592 goto fail;
593 }
594#endif /* CONFIG_OWE */
595
Hai Shalom021b0b52019-04-10 11:17:58 -0700596#ifdef CONFIG_DPP2
597 dpp_pfs_free(sta->dpp_pfs);
598 sta->dpp_pfs = NULL;
599
600 if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_DPP) &&
601 hapd->conf->dpp_netaccesskey && sta->wpa_sm &&
602 wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_DPP &&
603 elems.owe_dh) {
604 sta->dpp_pfs = dpp_pfs_init(
605 wpabuf_head(hapd->conf->dpp_netaccesskey),
606 wpabuf_len(hapd->conf->dpp_netaccesskey));
607 if (!sta->dpp_pfs) {
608 wpa_printf(MSG_DEBUG,
609 "DPP: Could not initialize PFS");
610 /* Try to continue without PFS */
611 goto pfs_fail;
612 }
613
614 if (dpp_pfs_process(sta->dpp_pfs, elems.owe_dh,
615 elems.owe_dh_len) < 0) {
616 dpp_pfs_free(sta->dpp_pfs);
617 sta->dpp_pfs = NULL;
618 reason = WLAN_REASON_UNSPECIFIED;
619 goto fail;
620 }
621 }
622
623 wpa_auth_set_dpp_z(sta->wpa_sm, sta->dpp_pfs ?
624 sta->dpp_pfs->secret : NULL);
625 pfs_fail:
626#endif /* CONFIG_DPP2 */
627
Roshan Pius3a1667e2018-07-03 15:17:14 -0700628#if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700629 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
Dmitry Shmidt661b4f72014-09-29 14:58:27 -0700630
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700631 if (sta->auth_alg == WLAN_AUTH_FT ||
632 sta->auth_alg == WLAN_AUTH_FILS_SK ||
633 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
634 sta->auth_alg == WLAN_AUTH_FILS_PK)
Dmitry Shmidt661b4f72014-09-29 14:58:27 -0700635 ap_sta_set_authorized(hapd, sta, 1);
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700636#else /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700637 /* Keep compiler silent about unused variables */
638 if (status) {
639 }
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700640#endif /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700641
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700642 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
643 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800644 sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700645
Dmitry Shmidt661b4f72014-09-29 14:58:27 -0700646 hostapd_set_sta_flags(hapd, sta);
647
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700648 if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
649 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
Dmitry Shmidtd2986c22017-10-23 14:22:09 -0700650#ifdef CONFIG_FILS
651 else if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
652 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
653 sta->auth_alg == WLAN_AUTH_FILS_PK)
654 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
655#endif /* CONFIG_FILS */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700656 else
657 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700658
659 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
660
661 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
662
663#ifdef CONFIG_P2P
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800664 if (req_ies) {
665 p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
666 req_ies, req_ies_len);
667 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700668#endif /* CONFIG_P2P */
669
670 return 0;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800671
672fail:
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -0800673#ifdef CONFIG_IEEE80211R_AP
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700674 hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -0800675#endif /* CONFIG_IEEE80211R_AP */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800676 hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
677 ap_free_sta(hapd, sta);
678 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700679}
680
681
682void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
683{
684 struct sta_info *sta;
685
686 if (addr == NULL) {
687 /*
688 * This could potentially happen with unexpected event from the
689 * driver wrapper. This was seen at least in one case where the
690 * driver ended up reporting a station mode event while hostapd
691 * was running, so better make sure we stop processing such an
692 * event here.
693 */
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800694 wpa_printf(MSG_DEBUG,
695 "hostapd_notif_disassoc: Skip event with no address");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700696 return;
697 }
698
699 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
700 HOSTAPD_LEVEL_INFO, "disassociated");
701
702 sta = ap_get_sta(hapd, addr);
703 if (sta == NULL) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800704 wpa_printf(MSG_DEBUG,
705 "Disassociation notification for unknown STA "
706 MACSTR, MAC2STR(addr));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700707 return;
708 }
709
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800710 ap_sta_set_authorized(hapd, sta, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700711 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700712 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
713 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
714 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
715 ap_free_sta(hapd, sta);
716}
717
718
719void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
720{
721 struct sta_info *sta = ap_get_sta(hapd, addr);
722
Roshan Pius3a1667e2018-07-03 15:17:14 -0700723 if (!sta || !hapd->conf->disassoc_low_ack || sta->agreed_to_steer)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700724 return;
725
726 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800727 HOSTAPD_LEVEL_INFO,
728 "disconnected due to excessive missing ACKs");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700729 hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -0800730 ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700731}
732
733
Roshan Pius3a1667e2018-07-03 15:17:14 -0700734void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
735 enum smps_mode smps_mode,
736 enum chan_width chan_width, u8 rx_nss)
737{
738 struct sta_info *sta = ap_get_sta(hapd, addr);
739 const char *txt;
740
741 if (!sta)
742 return;
743
744 switch (smps_mode) {
745 case SMPS_AUTOMATIC:
746 txt = "automatic";
747 break;
748 case SMPS_OFF:
749 txt = "off";
750 break;
751 case SMPS_DYNAMIC:
752 txt = "dynamic";
753 break;
754 case SMPS_STATIC:
755 txt = "static";
756 break;
757 default:
758 txt = NULL;
759 break;
760 }
761 if (txt) {
762 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
763 MACSTR " %s", MAC2STR(addr), txt);
764 }
765
766 switch (chan_width) {
767 case CHAN_WIDTH_20_NOHT:
768 txt = "20(no-HT)";
769 break;
770 case CHAN_WIDTH_20:
771 txt = "20";
772 break;
773 case CHAN_WIDTH_40:
774 txt = "40";
775 break;
776 case CHAN_WIDTH_80:
777 txt = "80";
778 break;
779 case CHAN_WIDTH_80P80:
780 txt = "80+80";
781 break;
782 case CHAN_WIDTH_160:
783 txt = "160";
784 break;
785 default:
786 txt = NULL;
787 break;
788 }
789 if (txt) {
790 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
791 MACSTR " %s", MAC2STR(addr), txt);
792 }
793
794 if (rx_nss != 0xff) {
795 wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
796 MACSTR " %d", MAC2STR(addr), rx_nss);
797 }
798}
799
800
Dmitry Shmidt04949592012-07-19 12:16:46 -0700801void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
Hai Shalom81f62d82019-07-22 12:10:00 -0700802 int offset, int width, int cf1, int cf2,
803 int finished)
Dmitry Shmidt04949592012-07-19 12:16:46 -0700804{
Hai Shalom74f70d42019-02-11 14:42:39 -0800805 /* TODO: If OCV is enabled deauth STAs that don't perform a SA Query */
806
Dmitry Shmidt04949592012-07-19 12:16:46 -0700807#ifdef NEED_AP_MLME
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800808 int channel, chwidth, is_dfs;
809 u8 seg0_idx = 0, seg1_idx = 0;
Hai Shalom74f70d42019-02-11 14:42:39 -0800810 size_t i;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700811
812 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800813 HOSTAPD_LEVEL_INFO,
Hai Shalom81f62d82019-07-22 12:10:00 -0700814 "driver %s channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
815 finished ? "had" : "starting",
Roshan Pius3a1667e2018-07-03 15:17:14 -0700816 freq, ht, hapd->iconf->ch_switch_vht_config, offset,
817 width, channel_width_to_string(width), cf1, cf2);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700818
Hai Shalom1dc4d202019-04-29 16:22:27 -0700819 if (!hapd->iface->current_mode) {
820 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
821 HOSTAPD_LEVEL_WARNING,
822 "ignore channel switch since the interface is not yet ready");
823 return;
824 }
825
Dmitry Shmidt04949592012-07-19 12:16:46 -0700826 hapd->iface->freq = freq;
827
828 channel = hostapd_hw_get_channel(hapd, freq);
829 if (!channel) {
830 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800831 HOSTAPD_LEVEL_WARNING,
832 "driver switched to bad channel!");
Dmitry Shmidt04949592012-07-19 12:16:46 -0700833 return;
834 }
835
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800836 switch (width) {
837 case CHAN_WIDTH_80:
Hai Shalom81f62d82019-07-22 12:10:00 -0700838 chwidth = CHANWIDTH_80MHZ;
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800839 break;
840 case CHAN_WIDTH_80P80:
Hai Shalom81f62d82019-07-22 12:10:00 -0700841 chwidth = CHANWIDTH_80P80MHZ;
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800842 break;
843 case CHAN_WIDTH_160:
Hai Shalom81f62d82019-07-22 12:10:00 -0700844 chwidth = CHANWIDTH_160MHZ;
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800845 break;
846 case CHAN_WIDTH_20_NOHT:
847 case CHAN_WIDTH_20:
848 case CHAN_WIDTH_40:
849 default:
Hai Shalom81f62d82019-07-22 12:10:00 -0700850 chwidth = CHANWIDTH_USE_HT;
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800851 break;
852 }
853
854 switch (hapd->iface->current_mode->mode) {
855 case HOSTAPD_MODE_IEEE80211A:
856 if (cf1 > 5000)
857 seg0_idx = (cf1 - 5000) / 5;
858 if (cf2 > 5000)
859 seg1_idx = (cf2 - 5000) / 5;
860 break;
861 default:
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800862 ieee80211_freq_to_chan(cf1, &seg0_idx);
863 ieee80211_freq_to_chan(cf2, &seg1_idx);
Dmitry Shmidt04f534e2013-12-09 15:50:16 -0800864 break;
865 }
866
Dmitry Shmidt04949592012-07-19 12:16:46 -0700867 hapd->iconf->channel = channel;
868 hapd->iconf->ieee80211n = ht;
Roshan Pius3a1667e2018-07-03 15:17:14 -0700869 if (!ht) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800870 hapd->iconf->ieee80211ac = 0;
Roshan Pius3a1667e2018-07-03 15:17:14 -0700871 } else if (hapd->iconf->ch_switch_vht_config) {
872 /* CHAN_SWITCH VHT config */
873 if (hapd->iconf->ch_switch_vht_config &
874 CH_SWITCH_VHT_ENABLED)
875 hapd->iconf->ieee80211ac = 1;
876 else if (hapd->iconf->ch_switch_vht_config &
877 CH_SWITCH_VHT_DISABLED)
878 hapd->iconf->ieee80211ac = 0;
879 }
880 hapd->iconf->ch_switch_vht_config = 0;
881
Dmitry Shmidt04949592012-07-19 12:16:46 -0700882 hapd->iconf->secondary_channel = offset;
Hai Shalom81f62d82019-07-22 12:10:00 -0700883 hostapd_set_oper_chwidth(hapd->iconf, chwidth);
884 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, seg0_idx);
885 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, seg1_idx);
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -0800886
Roshan Pius3a1667e2018-07-03 15:17:14 -0700887 is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
888 hapd->iface->num_hw_features);
Dmitry Shmidt203eadb2015-03-05 14:16:04 -0800889
Hai Shalom81f62d82019-07-22 12:10:00 -0700890 wpa_msg(hapd->msg_ctx, MSG_INFO,
891 "%sfreq=%d ht_enabled=%d ch_offset=%d ch_width=%s cf1=%d cf2=%d dfs=%d",
892 finished ? WPA_EVENT_CHANNEL_SWITCH :
893 WPA_EVENT_CHANNEL_SWITCH_STARTED,
894 freq, ht, offset, channel_width_to_string(width),
895 cf1, cf2, is_dfs);
896 if (!finished)
897 return;
898
Dmitry Shmidtd30ac602014-06-30 09:54:22 -0700899 if (hapd->csa_in_progress &&
900 freq == hapd->cs_freq_params.freq) {
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -0800901 hostapd_cleanup_cs_params(hapd);
Dmitry Shmidtd30ac602014-06-30 09:54:22 -0700902 ieee802_11_set_beacon(hapd);
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -0800903
Dmitry Shmidt203eadb2015-03-05 14:16:04 -0800904 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
905 "freq=%d dfs=%d", freq, is_dfs);
906 } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
907 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
908 "freq=%d dfs=%d", freq, is_dfs);
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -0800909 }
Hai Shalom74f70d42019-02-11 14:42:39 -0800910
911 for (i = 0; i < hapd->iface->num_bss; i++)
912 hostapd_neighbor_set_own_report(hapd->iface->bss[i]);
Dmitry Shmidt04949592012-07-19 12:16:46 -0700913#endif /* NEED_AP_MLME */
914}
915
916
Dmitry Shmidtf8623282013-02-20 14:34:59 -0800917void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
918 const u8 *addr, int reason_code)
919{
920 switch (reason_code) {
921 case MAX_CLIENT_REACHED:
922 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
923 MAC2STR(addr));
924 break;
925 case BLOCKED_CLIENT:
926 wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
927 MAC2STR(addr));
928 break;
929 }
930}
931
932
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800933#ifdef CONFIG_ACS
Dmitry Shmidt014a3ff2015-12-28 13:27:49 -0800934void hostapd_acs_channel_selected(struct hostapd_data *hapd,
935 struct acs_selected_channels *acs_res)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800936{
Dmitry Shmidtb1e52102015-05-29 12:36:29 -0700937 int ret, i;
Dmitry Shmidt9c175262016-03-03 10:20:07 -0800938 int err = 0;
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800939 struct hostapd_channel_data *pri_chan;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800940
941 if (hapd->iconf->channel) {
942 wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
943 hapd->iconf->channel);
944 return;
945 }
946
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800947 hapd->iface->freq = acs_res->pri_freq;
948
Dmitry Shmidtb1e52102015-05-29 12:36:29 -0700949 if (!hapd->iface->current_mode) {
950 for (i = 0; i < hapd->iface->num_hw_features; i++) {
951 struct hostapd_hw_modes *mode =
952 &hapd->iface->hw_features[i];
953
954 if (mode->mode == acs_res->hw_mode) {
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800955 if (hapd->iface->freq > 0 &&
956 !hw_get_chan(mode->mode,
957 hapd->iface->freq,
958 hapd->iface->hw_features,
959 hapd->iface->num_hw_features))
960 continue;
Dmitry Shmidtb1e52102015-05-29 12:36:29 -0700961 hapd->iface->current_mode = mode;
962 break;
963 }
964 }
965 if (!hapd->iface->current_mode) {
966 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
967 HOSTAPD_LEVEL_WARNING,
968 "driver selected to bad hw_mode");
Dmitry Shmidt9c175262016-03-03 10:20:07 -0800969 err = 1;
970 goto out;
Dmitry Shmidtb1e52102015-05-29 12:36:29 -0700971 }
972 }
973
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800974 if (!acs_res->pri_freq) {
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800975 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
976 HOSTAPD_LEVEL_WARNING,
977 "driver switched to bad channel");
Dmitry Shmidt9c175262016-03-03 10:20:07 -0800978 err = 1;
979 goto out;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800980 }
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800981 pri_chan = hw_get_channel_freq(hapd->iface->current_mode->mode,
982 acs_res->pri_freq, NULL,
983 hapd->iface->hw_features,
984 hapd->iface->num_hw_features);
985 if (!pri_chan) {
986 wpa_printf(MSG_ERROR,
987 "ACS: Could not determine primary channel number from pri_freq %u",
988 acs_res->pri_freq);
989 err = 1;
990 goto out;
991 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800992
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800993 hapd->iconf->channel = pri_chan->chan;
Dmitry Shmidtdda10c22015-03-24 16:05:01 -0700994 hapd->iconf->acs = 1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800995
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800996 if (acs_res->sec_freq == 0)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800997 hapd->iconf->secondary_channel = 0;
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -0800998 else if (acs_res->sec_freq < acs_res->pri_freq)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800999 hapd->iconf->secondary_channel = -1;
Ahmed ElArabawy0ff61c52019-12-26 12:38:39 -08001000 else if (acs_res->sec_freq > acs_res->pri_freq)
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001001 hapd->iconf->secondary_channel = 1;
1002 else {
1003 wpa_printf(MSG_ERROR, "Invalid secondary channel!");
Dmitry Shmidt9c175262016-03-03 10:20:07 -08001004 err = 1;
1005 goto out;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001006 }
1007
Hai Shalom81f62d82019-07-22 12:10:00 -07001008 if (hapd->iface->conf->ieee80211ac || hapd->iface->conf->ieee80211ax) {
Dmitry Shmidtdda10c22015-03-24 16:05:01 -07001009 /* set defaults for backwards compatibility */
Hai Shalom81f62d82019-07-22 12:10:00 -07001010 hostapd_set_oper_centr_freq_seg1_idx(hapd->iconf, 0);
1011 hostapd_set_oper_centr_freq_seg0_idx(hapd->iconf, 0);
1012 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_USE_HT);
Dmitry Shmidtdda10c22015-03-24 16:05:01 -07001013 if (acs_res->ch_width == 80) {
Hai Shalom81f62d82019-07-22 12:10:00 -07001014 hostapd_set_oper_centr_freq_seg0_idx(
1015 hapd->iconf, acs_res->vht_seg0_center_ch);
1016 hostapd_set_oper_chwidth(hapd->iconf, CHANWIDTH_80MHZ);
Dmitry Shmidtdda10c22015-03-24 16:05:01 -07001017 } else if (acs_res->ch_width == 160) {
1018 if (acs_res->vht_seg1_center_ch == 0) {
Hai Shalom81f62d82019-07-22 12:10:00 -07001019 hostapd_set_oper_centr_freq_seg0_idx(
1020 hapd->iconf,
1021 acs_res->vht_seg0_center_ch);
1022 hostapd_set_oper_chwidth(hapd->iconf,
1023 CHANWIDTH_160MHZ);
Dmitry Shmidtdda10c22015-03-24 16:05:01 -07001024 } else {
Hai Shalom81f62d82019-07-22 12:10:00 -07001025 hostapd_set_oper_centr_freq_seg0_idx(
1026 hapd->iconf,
1027 acs_res->vht_seg0_center_ch);
1028 hostapd_set_oper_centr_freq_seg1_idx(
1029 hapd->iconf,
1030 acs_res->vht_seg1_center_ch);
1031 hostapd_set_oper_chwidth(hapd->iconf,
1032 CHANWIDTH_80P80MHZ);
Dmitry Shmidtdda10c22015-03-24 16:05:01 -07001033 }
1034 }
1035 }
1036
Dmitry Shmidt9c175262016-03-03 10:20:07 -08001037out:
1038 ret = hostapd_acs_completed(hapd->iface, err);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001039 if (ret) {
1040 wpa_printf(MSG_ERROR,
1041 "ACS: Possibly channel configuration is invalid");
1042 }
1043}
1044#endif /* CONFIG_ACS */
1045
1046
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001047int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
Dmitry Shmidt04949592012-07-19 12:16:46 -07001048 const u8 *bssid, const u8 *ie, size_t ie_len,
1049 int ssi_signal)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001050{
1051 size_t i;
1052 int ret = 0;
1053
1054 if (sa == NULL || ie == NULL)
1055 return -1;
1056
1057 random_add_randomness(sa, ETH_ALEN);
1058 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
1059 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
Dmitry Shmidt04949592012-07-19 12:16:46 -07001060 sa, da, bssid, ie, ie_len,
1061 ssi_signal) > 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001062 ret = 1;
1063 break;
1064 }
1065 }
1066 return ret;
1067}
1068
1069
1070#ifdef HOSTAPD
1071
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -08001072#ifdef CONFIG_IEEE80211R_AP
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001073static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
1074 const u8 *bssid,
1075 u16 auth_transaction, u16 status,
1076 const u8 *ies, size_t ies_len)
1077{
1078 struct hostapd_data *hapd = ctx;
1079 struct sta_info *sta;
1080
1081 sta = ap_get_sta(hapd, dst);
1082 if (sta == NULL)
1083 return;
1084
1085 hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
1086 HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
1087 sta->flags |= WLAN_STA_AUTH;
1088
1089 hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
1090}
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -08001091#endif /* CONFIG_IEEE80211R_AP */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001092
1093
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001094#ifdef CONFIG_FILS
1095static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
1096 struct sta_info *sta, u16 resp,
1097 struct wpabuf *data, int pub)
1098{
1099 if (resp == WLAN_STATUS_SUCCESS) {
1100 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1101 HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
1102 sta->flags |= WLAN_STA_AUTH;
1103 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
1104 sta->auth_alg = WLAN_AUTH_FILS_SK;
1105 mlme_authenticate_indication(hapd, sta);
1106 } else {
1107 hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
1108 HOSTAPD_LEVEL_DEBUG,
1109 "authentication failed (FILS)");
1110 }
1111
1112 hostapd_sta_auth(hapd, sta->addr, 2, resp,
1113 data ? wpabuf_head(data) : NULL,
1114 data ? wpabuf_len(data) : 0);
1115 wpabuf_free(data);
1116}
1117#endif /* CONFIG_FILS */
1118
1119
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001120static void hostapd_notif_auth(struct hostapd_data *hapd,
1121 struct auth_info *rx_auth)
1122{
1123 struct sta_info *sta;
1124 u16 status = WLAN_STATUS_SUCCESS;
1125 u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
1126 size_t resp_ies_len = 0;
1127
1128 sta = ap_get_sta(hapd, rx_auth->peer);
1129 if (!sta) {
1130 sta = ap_sta_add(hapd, rx_auth->peer);
1131 if (sta == NULL) {
Dmitry Shmidt4b060592013-04-29 16:42:49 -07001132 status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001133 goto fail;
1134 }
1135 }
1136 sta->flags &= ~WLAN_STA_PREAUTH;
1137 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -08001138#ifdef CONFIG_IEEE80211R_AP
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001139 if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
1140 sta->auth_alg = WLAN_AUTH_FT;
1141 if (sta->wpa_sm == NULL)
1142 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
Dmitry Shmidt391c59f2013-09-03 12:16:28 -07001143 sta->addr, NULL);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001144 if (sta->wpa_sm == NULL) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001145 wpa_printf(MSG_DEBUG,
1146 "FT: Failed to initialize WPA state machine");
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001147 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1148 goto fail;
1149 }
1150 wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
1151 rx_auth->auth_transaction, rx_auth->ies,
1152 rx_auth->ies_len,
1153 hostapd_notify_auth_ft_finish, hapd);
1154 return;
1155 }
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -08001156#endif /* CONFIG_IEEE80211R_AP */
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001157
1158#ifdef CONFIG_FILS
1159 if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
1160 sta->auth_alg = WLAN_AUTH_FILS_SK;
1161 handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
1162 rx_auth->auth_type, rx_auth->auth_transaction,
1163 rx_auth->status_code,
1164 hostapd_notify_auth_fils_finish);
1165 return;
1166 }
1167#endif /* CONFIG_FILS */
1168
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001169fail:
1170 hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
1171 status, resp_ies, resp_ies_len);
1172}
1173
1174
Hai Shalom021b0b52019-04-10 11:17:58 -07001175#ifndef NEED_AP_MLME
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001176static void hostapd_action_rx(struct hostapd_data *hapd,
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001177 struct rx_mgmt *drv_mgmt)
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001178{
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001179 struct ieee80211_mgmt *mgmt;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001180 struct sta_info *sta;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001181 size_t plen __maybe_unused;
1182 u16 fc;
Hai Shalom74f70d42019-02-11 14:42:39 -08001183 u8 *action __maybe_unused;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001184
Hai Shalom74f70d42019-02-11 14:42:39 -08001185 if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001186 return;
1187
Hai Shalom021b0b52019-04-10 11:17:58 -07001188 plen = drv_mgmt->frame_len - IEEE80211_HDRLEN;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001189
1190 mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
1191 fc = le_to_host16(mgmt->frame_control);
1192 if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
1193 return; /* handled by the driver */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001194
Hai Shalom74f70d42019-02-11 14:42:39 -08001195 action = (u8 *) &mgmt->u.action.u;
1196 wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR
1197 " da " MACSTR " plen %d",
1198 mgmt->u.action.category, *action,
1199 MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001200
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001201 sta = ap_get_sta(hapd, mgmt->sa);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001202 if (sta == NULL) {
1203 wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
1204 return;
1205 }
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -08001206#ifdef CONFIG_IEEE80211R_AP
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001207 if (mgmt->u.action.category == WLAN_ACTION_FT) {
Hai Shalom021b0b52019-04-10 11:17:58 -07001208 wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, plen);
1209 return;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001210 }
Dmitry Shmidt9839ecd2016-11-07 11:05:47 -08001211#endif /* CONFIG_IEEE80211R_AP */
Hai Shalom021b0b52019-04-10 11:17:58 -07001212 if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY) {
Hai Shalom74f70d42019-02-11 14:42:39 -08001213 ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len);
Hai Shalom021b0b52019-04-10 11:17:58 -07001214 return;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001215 }
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001216#ifdef CONFIG_WNM_AP
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001217 if (mgmt->u.action.category == WLAN_ACTION_WNM) {
1218 ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
Hai Shalom021b0b52019-04-10 11:17:58 -07001219 return;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001220 }
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001221#endif /* CONFIG_WNM_AP */
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001222#ifdef CONFIG_FST
1223 if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
1224 fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
1225 return;
1226 }
1227#endif /* CONFIG_FST */
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001228#ifdef CONFIG_DPP
Hai Shalom021b0b52019-04-10 11:17:58 -07001229 if (plen >= 2 + 4 &&
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001230 mgmt->u.action.u.vs_public_action.action ==
1231 WLAN_PA_VENDOR_SPECIFIC &&
1232 WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
1233 OUI_WFA &&
1234 mgmt->u.action.u.vs_public_action.variable[0] ==
1235 DPP_OUI_TYPE) {
1236 const u8 *pos, *end;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001237
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001238 pos = mgmt->u.action.u.vs_public_action.oui;
1239 end = drv_mgmt->frame + drv_mgmt->frame_len;
1240 hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
1241 drv_mgmt->freq);
1242 return;
1243 }
1244#endif /* CONFIG_DPP */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001245}
Hai Shalom021b0b52019-04-10 11:17:58 -07001246#endif /* NEED_AP_MLME */
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001247
1248
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001249#ifdef NEED_AP_MLME
1250
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001251#define HAPD_BROADCAST ((struct hostapd_data *) -1)
1252
1253static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
1254 const u8 *bssid)
1255{
1256 size_t i;
1257
1258 if (bssid == NULL)
1259 return NULL;
1260 if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
1261 bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
1262 return HAPD_BROADCAST;
1263
1264 for (i = 0; i < iface->num_bss; i++) {
1265 if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
1266 return iface->bss[i];
1267 }
1268
1269 return NULL;
1270}
1271
1272
1273static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001274 const u8 *bssid, const u8 *addr,
1275 int wds)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001276{
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001277 hapd = get_hapd_bssid(hapd->iface, bssid);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001278 if (hapd == NULL || hapd == HAPD_BROADCAST)
1279 return;
1280
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001281 ieee802_11_rx_from_unknown(hapd, addr, wds);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001282}
1283
1284
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001285static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001286{
1287 struct hostapd_iface *iface = hapd->iface;
1288 const struct ieee80211_hdr *hdr;
1289 const u8 *bssid;
1290 struct hostapd_frame_info fi;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001291 int ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001292
Dmitry Shmidt7d5c8f22014-03-03 13:53:28 -08001293#ifdef CONFIG_TESTING_OPTIONS
1294 if (hapd->ext_mgmt_frame_handling) {
1295 size_t hex_len = 2 * rx_mgmt->frame_len + 1;
1296 char *hex = os_malloc(hex_len);
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001297
Dmitry Shmidt7d5c8f22014-03-03 13:53:28 -08001298 if (hex) {
1299 wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
1300 rx_mgmt->frame_len);
1301 wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
1302 os_free(hex);
1303 }
1304 return 1;
1305 }
1306#endif /* CONFIG_TESTING_OPTIONS */
1307
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001308 hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
1309 bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
1310 if (bssid == NULL)
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001311 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001312
1313 hapd = get_hapd_bssid(iface, bssid);
1314 if (hapd == NULL) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001315 u16 fc = le_to_host16(hdr->frame_control);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001316
1317 /*
1318 * Drop frames to unknown BSSIDs except for Beacon frames which
1319 * could be used to update neighbor information.
1320 */
1321 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1322 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1323 hapd = iface->bss[0];
1324 else
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001325 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001326 }
1327
1328 os_memset(&fi, 0, sizeof(fi));
Roshan Pius3a1667e2018-07-03 15:17:14 -07001329 fi.freq = rx_mgmt->freq;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001330 fi.datarate = rx_mgmt->datarate;
1331 fi.ssi_signal = rx_mgmt->ssi_signal;
1332
1333 if (hapd == HAPD_BROADCAST) {
1334 size_t i;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001335
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001336 ret = 0;
1337 for (i = 0; i < iface->num_bss; i++) {
Dmitry Shmidt98660862014-03-11 17:26:21 -07001338 /* if bss is set, driver will call this function for
1339 * each bss individually. */
1340 if (rx_mgmt->drv_priv &&
1341 (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
1342 continue;
1343
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001344 if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
1345 rx_mgmt->frame_len, &fi) > 0)
1346 ret = 1;
1347 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001348 } else
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001349 ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
1350 &fi);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001351
1352 random_add_randomness(&fi, sizeof(fi));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001353
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001354 return ret;
Jouni Malinen75ecf522011-06-27 15:19:46 -07001355}
1356
1357
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001358static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
1359 size_t len, u16 stype, int ok)
1360{
1361 struct ieee80211_hdr *hdr;
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07001362 struct hostapd_data *orig_hapd = hapd;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001363
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001364 hdr = (struct ieee80211_hdr *) buf;
1365 hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07001366 if (!hapd)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001367 return;
Dmitry Shmidtd5ab1b52016-06-21 12:38:41 -07001368 if (hapd == HAPD_BROADCAST) {
1369 if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
1370 buf[24] != WLAN_ACTION_PUBLIC)
1371 return;
1372 hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
1373 if (!hapd || hapd == HAPD_BROADCAST)
1374 return;
1375 /*
1376 * Allow processing of TX status for a Public Action frame that
1377 * used wildcard BBSID.
1378 */
1379 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001380 ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
1381}
1382
1383#endif /* NEED_AP_MLME */
1384
1385
1386static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
1387{
1388 struct sta_info *sta = ap_get_sta(hapd, addr);
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001389
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001390 if (sta)
1391 return 0;
1392
1393 wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
1394 " - adding a new STA", MAC2STR(addr));
1395 sta = ap_sta_add(hapd, addr);
1396 if (sta) {
1397 hostapd_new_assoc_sta(hapd, sta, 0);
1398 } else {
1399 wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
1400 MAC2STR(addr));
1401 return -1;
1402 }
1403
1404 return 0;
1405}
1406
1407
1408static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
1409 const u8 *data, size_t data_len)
1410{
1411 struct hostapd_iface *iface = hapd->iface;
Dmitry Shmidtd5e49232012-12-03 15:08:10 -08001412 struct sta_info *sta;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001413 size_t j;
1414
1415 for (j = 0; j < iface->num_bss; j++) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001416 sta = ap_get_sta(iface->bss[j], src);
1417 if (sta && sta->flags & WLAN_STA_ASSOC) {
1418 hapd = iface->bss[j];
1419 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001420 }
1421 }
1422
1423 ieee802_1x_receive(hapd, src, data, data_len);
1424}
1425
Dmitry Shmidt014a3ff2015-12-28 13:27:49 -08001426#endif /* HOSTAPD */
1427
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001428
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07001429static struct hostapd_channel_data * hostapd_get_mode_channel(
1430 struct hostapd_iface *iface, unsigned int freq)
1431{
1432 int i;
1433 struct hostapd_channel_data *chan;
1434
1435 for (i = 0; i < iface->current_mode->num_channels; i++) {
1436 chan = &iface->current_mode->channels[i];
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07001437 if ((unsigned int) chan->freq == freq)
1438 return chan;
1439 }
1440
1441 return NULL;
1442}
1443
1444
1445static void hostapd_update_nf(struct hostapd_iface *iface,
1446 struct hostapd_channel_data *chan,
1447 struct freq_survey *survey)
1448{
1449 if (!iface->chans_surveyed) {
1450 chan->min_nf = survey->nf;
1451 iface->lowest_nf = survey->nf;
1452 } else {
1453 if (dl_list_empty(&chan->survey_list))
1454 chan->min_nf = survey->nf;
1455 else if (survey->nf < chan->min_nf)
1456 chan->min_nf = survey->nf;
1457 if (survey->nf < iface->lowest_nf)
1458 iface->lowest_nf = survey->nf;
1459 }
1460}
1461
1462
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001463static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
1464 struct survey_results *survey_res)
1465{
1466 struct hostapd_channel_data *chan;
1467 struct freq_survey *survey;
1468 u64 divisor, dividend;
1469
1470 survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
1471 list);
1472 if (!survey || !survey->freq)
1473 return;
1474
1475 chan = hostapd_get_mode_channel(iface, survey->freq);
1476 if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
1477 return;
1478
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001479 wpa_printf(MSG_DEBUG,
1480 "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001481 survey->freq,
1482 (unsigned long int) survey->channel_time,
1483 (unsigned long int) survey->channel_time_busy);
1484
1485 if (survey->channel_time > iface->last_channel_time &&
1486 survey->channel_time > survey->channel_time_busy) {
1487 dividend = survey->channel_time_busy -
1488 iface->last_channel_time_busy;
1489 divisor = survey->channel_time - iface->last_channel_time;
1490
1491 iface->channel_utilization = dividend * 255 / divisor;
1492 wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
1493 iface->channel_utilization);
1494 }
1495 iface->last_channel_time = survey->channel_time;
1496 iface->last_channel_time_busy = survey->channel_time_busy;
1497}
1498
1499
Dmitry Shmidt014a3ff2015-12-28 13:27:49 -08001500void hostapd_event_get_survey(struct hostapd_iface *iface,
1501 struct survey_results *survey_results)
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07001502{
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07001503 struct freq_survey *survey, *tmp;
1504 struct hostapd_channel_data *chan;
1505
1506 if (dl_list_empty(&survey_results->survey_list)) {
1507 wpa_printf(MSG_DEBUG, "No survey data received");
1508 return;
1509 }
1510
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001511 if (survey_results->freq_filter) {
1512 hostapd_single_channel_get_survey(iface, survey_results);
1513 return;
1514 }
1515
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07001516 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
1517 struct freq_survey, list) {
1518 chan = hostapd_get_mode_channel(iface, survey->freq);
1519 if (!chan)
1520 continue;
1521 if (chan->flag & HOSTAPD_CHAN_DISABLED)
1522 continue;
1523
1524 dl_list_del(&survey->list);
1525 dl_list_add_tail(&chan->survey_list, &survey->list);
1526
1527 hostapd_update_nf(iface, chan, survey);
1528
1529 iface->chans_surveyed++;
1530 }
1531}
1532
1533
Dmitry Shmidt014a3ff2015-12-28 13:27:49 -08001534#ifdef HOSTAPD
Dmitry Shmidt051af732013-10-22 13:52:46 -07001535#ifdef NEED_AP_MLME
1536
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07001537static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
1538{
1539 wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
1540 hapd->conf->iface);
1541
1542 if (hapd->csa_in_progress) {
1543 wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
1544 hapd->conf->iface);
1545 hostapd_switch_channel_fallback(hapd->iface,
1546 &hapd->cs_freq_params);
1547 }
1548}
1549
1550
Dmitry Shmidt051af732013-10-22 13:52:46 -07001551static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
1552 struct dfs_event *radar)
1553{
1554 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001555 hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
Dmitry Shmidt051af732013-10-22 13:52:46 -07001556 radar->chan_offset, radar->chan_width,
1557 radar->cf1, radar->cf2);
1558}
1559
1560
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001561static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
1562 struct dfs_event *radar)
1563{
1564 wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
1565 hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
1566 radar->chan_offset, radar->chan_width,
1567 radar->cf1, radar->cf2);
1568}
1569
1570
Dmitry Shmidt051af732013-10-22 13:52:46 -07001571static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
1572 struct dfs_event *radar)
1573{
1574 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001575 hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
Dmitry Shmidt051af732013-10-22 13:52:46 -07001576 radar->chan_offset, radar->chan_width,
1577 radar->cf1, radar->cf2);
1578}
1579
1580
1581static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
1582 struct dfs_event *radar)
1583{
1584 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001585 hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
Dmitry Shmidt051af732013-10-22 13:52:46 -07001586 radar->chan_offset, radar->chan_width,
1587 radar->cf1, radar->cf2);
1588}
1589
1590
1591static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
1592 struct dfs_event *radar)
1593{
1594 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
Dmitry Shmidtcce06662013-11-04 18:44:24 -08001595 hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
Dmitry Shmidt051af732013-10-22 13:52:46 -07001596 radar->chan_offset, radar->chan_width,
1597 radar->cf1, radar->cf2);
1598}
1599
Dmitry Shmidt203eadb2015-03-05 14:16:04 -08001600
1601static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
1602 struct dfs_event *radar)
1603{
1604 wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
1605 hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
1606 radar->chan_offset, radar->chan_width,
1607 radar->cf1, radar->cf2);
1608}
1609
Dmitry Shmidt051af732013-10-22 13:52:46 -07001610#endif /* NEED_AP_MLME */
1611
1612
Roshan Pius3a1667e2018-07-03 15:17:14 -07001613static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
1614 int istatus,
1615 const char *ifname,
1616 const u8 *addr)
1617{
1618 struct sta_info *sta = ap_get_sta(hapd, addr);
1619
1620 if (sta) {
1621 os_free(sta->ifname_wds);
1622 if (istatus == INTERFACE_ADDED)
1623 sta->ifname_wds = os_strdup(ifname);
1624 else
1625 sta->ifname_wds = NULL;
1626 }
1627
1628 wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
1629 istatus == INTERFACE_ADDED ?
1630 WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
1631 ifname, MAC2STR(addr));
1632}
1633
1634
Hai Shalom81f62d82019-07-22 12:10:00 -07001635#ifdef CONFIG_OWE
1636static int hostapd_notif_update_dh_ie(struct hostapd_data *hapd,
1637 const u8 *peer, const u8 *ie,
1638 size_t ie_len)
1639{
1640 u16 status;
1641 struct sta_info *sta;
1642 struct ieee802_11_elems elems;
1643
1644 if (!hapd || !hapd->wpa_auth) {
1645 wpa_printf(MSG_DEBUG, "OWE: Invalid hapd context");
1646 return -1;
1647 }
1648 if (!peer) {
1649 wpa_printf(MSG_DEBUG, "OWE: Peer unknown");
1650 return -1;
1651 }
1652 if (!(hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE)) {
1653 wpa_printf(MSG_DEBUG, "OWE: No OWE AKM configured");
1654 status = WLAN_STATUS_AKMP_NOT_VALID;
1655 goto err;
1656 }
1657 if (ieee802_11_parse_elems(ie, ie_len, &elems, 1) == ParseFailed) {
1658 wpa_printf(MSG_DEBUG, "OWE: Failed to parse OWE IE for "
1659 MACSTR, MAC2STR(peer));
1660 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1661 goto err;
1662 }
1663 status = owe_validate_request(hapd, peer, elems.rsn_ie,
1664 elems.rsn_ie_len,
1665 elems.owe_dh, elems.owe_dh_len);
1666 if (status != WLAN_STATUS_SUCCESS)
1667 goto err;
1668
1669 sta = ap_get_sta(hapd, peer);
1670 if (sta) {
1671 ap_sta_no_session_timeout(hapd, sta);
1672 accounting_sta_stop(hapd, sta);
1673
1674 /*
1675 * Make sure that the previously registered inactivity timer
1676 * will not remove the STA immediately.
1677 */
1678 sta->timeout_next = STA_NULLFUNC;
1679 } else {
1680 sta = ap_sta_add(hapd, peer);
1681 if (!sta) {
1682 status = WLAN_STATUS_UNSPECIFIED_FAILURE;
1683 goto err;
1684 }
1685 }
1686 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
1687
1688 status = owe_process_rsn_ie(hapd, sta, elems.rsn_ie,
1689 elems.rsn_ie_len, elems.owe_dh,
1690 elems.owe_dh_len);
1691 if (status != WLAN_STATUS_SUCCESS)
1692 ap_free_sta(hapd, sta);
1693
1694 return 0;
1695err:
1696 hostapd_drv_update_dh_ie(hapd, peer, status, NULL, 0);
1697 return 0;
1698}
1699#endif /* CONFIG_OWE */
1700
1701
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001702void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
1703 union wpa_event_data *data)
1704{
1705 struct hostapd_data *hapd = ctx;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001706#ifndef CONFIG_NO_STDOUT_DEBUG
1707 int level = MSG_DEBUG;
1708
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001709 if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001710 data->rx_mgmt.frame_len >= 24) {
1711 const struct ieee80211_hdr *hdr;
1712 u16 fc;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001713
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001714 hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
1715 fc = le_to_host16(hdr->frame_control);
1716 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1717 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
1718 level = MSG_EXCESSIVE;
Dmitry Shmidt8da800a2013-04-24 12:57:01 -07001719 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1720 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
1721 level = MSG_EXCESSIVE;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001722 }
1723
1724 wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
1725 event_to_string(event), event);
1726#endif /* CONFIG_NO_STDOUT_DEBUG */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001727
1728 switch (event) {
1729 case EVENT_MICHAEL_MIC_FAILURE:
1730 michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
1731 break;
1732 case EVENT_SCAN_RESULTS:
1733 if (hapd->iface->scan_cb)
1734 hapd->iface->scan_cb(hapd->iface);
1735 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001736 case EVENT_WPS_BUTTON_PUSHED:
1737 hostapd_wps_button_pushed(hapd, NULL);
1738 break;
1739#ifdef NEED_AP_MLME
1740 case EVENT_TX_STATUS:
1741 switch (data->tx_status.type) {
1742 case WLAN_FC_TYPE_MGMT:
1743 hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
1744 data->tx_status.data_len,
1745 data->tx_status.stype,
1746 data->tx_status.ack);
1747 break;
1748 case WLAN_FC_TYPE_DATA:
1749 hostapd_tx_status(hapd, data->tx_status.dst,
1750 data->tx_status.data,
1751 data->tx_status.data_len,
1752 data->tx_status.ack);
1753 break;
1754 }
1755 break;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001756 case EVENT_EAPOL_TX_STATUS:
1757 hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
1758 data->eapol_tx_status.data,
1759 data->eapol_tx_status.data_len,
1760 data->eapol_tx_status.ack);
1761 break;
1762 case EVENT_DRIVER_CLIENT_POLL_OK:
1763 hostapd_client_poll_ok(hapd, data->client_poll.addr);
1764 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001765 case EVENT_RX_FROM_UNKNOWN:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001766 hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
1767 data->rx_from_unknown.addr,
1768 data->rx_from_unknown.wds);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001769 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001770#endif /* NEED_AP_MLME */
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001771 case EVENT_RX_MGMT:
Dmitry Shmidt7832adb2014-04-29 10:53:02 -07001772 if (!data->rx_mgmt.frame)
1773 break;
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001774#ifdef NEED_AP_MLME
Hai Shalom021b0b52019-04-10 11:17:58 -07001775 hostapd_mgmt_rx(hapd, &data->rx_mgmt);
1776#else /* NEED_AP_MLME */
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001777 hostapd_action_rx(hapd, &data->rx_mgmt);
Hai Shalom021b0b52019-04-10 11:17:58 -07001778#endif /* NEED_AP_MLME */
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001779 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001780 case EVENT_RX_PROBE_REQ:
1781 if (data->rx_probe_req.sa == NULL ||
1782 data->rx_probe_req.ie == NULL)
1783 break;
1784 hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001785 data->rx_probe_req.da,
1786 data->rx_probe_req.bssid,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001787 data->rx_probe_req.ie,
Dmitry Shmidt04949592012-07-19 12:16:46 -07001788 data->rx_probe_req.ie_len,
1789 data->rx_probe_req.ssi_signal);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001790 break;
1791 case EVENT_NEW_STA:
1792 hostapd_event_new_sta(hapd, data->new_sta.addr);
1793 break;
1794 case EVENT_EAPOL_RX:
1795 hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
1796 data->eapol_rx.data,
1797 data->eapol_rx.data_len);
1798 break;
1799 case EVENT_ASSOC:
Dmitry Shmidt661b4f72014-09-29 14:58:27 -07001800 if (!data)
1801 return;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001802 hostapd_notif_assoc(hapd, data->assoc_info.addr,
1803 data->assoc_info.req_ies,
1804 data->assoc_info.req_ies_len,
1805 data->assoc_info.reassoc);
1806 break;
Hai Shalom81f62d82019-07-22 12:10:00 -07001807#ifdef CONFIG_OWE
1808 case EVENT_UPDATE_DH:
1809 if (!data)
1810 return;
1811 hostapd_notif_update_dh_ie(hapd, data->update_dh.peer,
1812 data->update_dh.ie,
1813 data->update_dh.ie_len);
1814 break;
1815#endif /* CONFIG_OWE */
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001816 case EVENT_DISASSOC:
1817 if (data)
1818 hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
1819 break;
1820 case EVENT_DEAUTH:
1821 if (data)
1822 hostapd_notif_disassoc(hapd, data->deauth_info.addr);
1823 break;
1824 case EVENT_STATION_LOW_ACK:
1825 if (!data)
1826 break;
1827 hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
1828 break;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -07001829 case EVENT_AUTH:
1830 hostapd_notif_auth(hapd, &data->auth);
1831 break;
Hai Shalom81f62d82019-07-22 12:10:00 -07001832 case EVENT_CH_SWITCH_STARTED:
Dmitry Shmidt04949592012-07-19 12:16:46 -07001833 case EVENT_CH_SWITCH:
1834 if (!data)
1835 break;
1836 hostapd_event_ch_switch(hapd, data->ch_switch.freq,
1837 data->ch_switch.ht_enabled,
Dmitry Shmidt04f534e2013-12-09 15:50:16 -08001838 data->ch_switch.ch_offset,
1839 data->ch_switch.ch_width,
1840 data->ch_switch.cf1,
Hai Shalom81f62d82019-07-22 12:10:00 -07001841 data->ch_switch.cf2,
1842 event == EVENT_CH_SWITCH);
Dmitry Shmidt04949592012-07-19 12:16:46 -07001843 break;
Dmitry Shmidtf8623282013-02-20 14:34:59 -08001844 case EVENT_CONNECT_FAILED_REASON:
1845 if (!data)
1846 break;
1847 hostapd_event_connect_failed_reason(
1848 hapd, data->connect_failed_reason.addr,
1849 data->connect_failed_reason.code);
1850 break;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07001851 case EVENT_SURVEY:
Dmitry Shmidt014a3ff2015-12-28 13:27:49 -08001852 hostapd_event_get_survey(hapd->iface, &data->survey_results);
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -07001853 break;
Dmitry Shmidt051af732013-10-22 13:52:46 -07001854#ifdef NEED_AP_MLME
Dmitry Shmidtd30ac602014-06-30 09:54:22 -07001855 case EVENT_INTERFACE_UNAVAILABLE:
1856 hostapd_event_iface_unavailable(hapd);
1857 break;
Dmitry Shmidt051af732013-10-22 13:52:46 -07001858 case EVENT_DFS_RADAR_DETECTED:
1859 if (!data)
1860 break;
1861 hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
1862 break;
Dmitry Shmidtd2986c22017-10-23 14:22:09 -07001863 case EVENT_DFS_PRE_CAC_EXPIRED:
1864 if (!data)
1865 break;
1866 hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
1867 break;
Dmitry Shmidt051af732013-10-22 13:52:46 -07001868 case EVENT_DFS_CAC_FINISHED:
1869 if (!data)
1870 break;
1871 hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
1872 break;
1873 case EVENT_DFS_CAC_ABORTED:
1874 if (!data)
1875 break;
1876 hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
1877 break;
1878 case EVENT_DFS_NOP_FINISHED:
1879 if (!data)
1880 break;
1881 hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
1882 break;
1883 case EVENT_CHANNEL_LIST_CHANGED:
1884 /* channel list changed (regulatory?), update channel list */
1885 /* TODO: check this. hostapd_get_hw_features() initializes
1886 * too much stuff. */
1887 /* hostapd_get_hw_features(hapd->iface); */
Dmitry Shmidte0e48dc2013-11-18 12:00:06 -08001888 hostapd_channel_list_updated(
1889 hapd->iface, data->channel_list_changed.initiator);
Dmitry Shmidt051af732013-10-22 13:52:46 -07001890 break;
Dmitry Shmidt203eadb2015-03-05 14:16:04 -08001891 case EVENT_DFS_CAC_STARTED:
1892 if (!data)
1893 break;
1894 hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
1895 break;
Dmitry Shmidt051af732013-10-22 13:52:46 -07001896#endif /* NEED_AP_MLME */
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001897 case EVENT_INTERFACE_ENABLED:
1898 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
Dmitry Shmidt7f656022015-02-25 14:36:37 -08001899 if (hapd->disabled && hapd->started) {
1900 hapd->disabled = 0;
1901 /*
1902 * Try to re-enable interface if the driver stopped it
1903 * when the interface got disabled.
1904 */
Hai Shalomce48b4a2018-09-05 11:41:35 -07001905 if (hapd->wpa_auth)
1906 wpa_auth_reconfig_group_keys(hapd->wpa_auth);
1907 else
1908 hostapd_reconfig_encryption(hapd);
Dmitry Shmidt7f656022015-02-25 14:36:37 -08001909 hapd->reenable_beacon = 1;
1910 ieee802_11_set_beacon(hapd);
Hai Shalom74f70d42019-02-11 14:42:39 -08001911#ifdef NEED_AP_MLME
1912 } else if (hapd->disabled && hapd->iface->cac_started) {
1913 wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC");
1914 hostapd_handle_dfs(hapd->iface);
1915#endif /* NEED_AP_MLME */
Dmitry Shmidt7f656022015-02-25 14:36:37 -08001916 }
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001917 break;
1918 case EVENT_INTERFACE_DISABLED:
Dmitry Shmidt7f656022015-02-25 14:36:37 -08001919 hostapd_free_stas(hapd);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001920 wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
Dmitry Shmidt7f656022015-02-25 14:36:37 -08001921 hapd->disabled = 1;
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001922 break;
1923#ifdef CONFIG_ACS
1924 case EVENT_ACS_CHANNEL_SELECTED:
Dmitry Shmidtdda10c22015-03-24 16:05:01 -07001925 hostapd_acs_channel_selected(hapd,
1926 &data->acs_selected_channels);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001927 break;
1928#endif /* CONFIG_ACS */
Roshan Pius3a1667e2018-07-03 15:17:14 -07001929 case EVENT_STATION_OPMODE_CHANGED:
1930 hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
1931 data->sta_opmode.smps_mode,
1932 data->sta_opmode.chan_width,
1933 data->sta_opmode.rx_nss);
1934 break;
1935 case EVENT_WDS_STA_INTERFACE_STATUS:
1936 hostapd_event_wds_sta_interface_status(
1937 hapd, data->wds_sta_interface.istatus,
1938 data->wds_sta_interface.ifname,
1939 data->wds_sta_interface.sta_addr);
1940 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001941 default:
1942 wpa_printf(MSG_DEBUG, "Unknown event %d", event);
1943 break;
1944 }
1945}
1946
Dmitry Shmidte4663042016-04-04 10:07:49 -07001947
1948void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
1949 union wpa_event_data *data)
1950{
1951 struct hapd_interfaces *interfaces = ctx;
1952 struct hostapd_data *hapd;
1953
1954 if (event != EVENT_INTERFACE_STATUS)
1955 return;
1956
1957 hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
1958 if (hapd && hapd->driver && hapd->driver->get_ifindex &&
1959 hapd->drv_priv) {
1960 unsigned int ifindex;
1961
1962 ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
1963 if (ifindex != data->interface_status.ifindex) {
1964 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1965 "interface status ifindex %d mismatch (%d)",
1966 ifindex, data->interface_status.ifindex);
1967 return;
1968 }
1969 }
1970 if (hapd)
1971 wpa_supplicant_event(hapd, event, data);
1972}
1973
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001974#endif /* HOSTAPD */