]>
Commit | Line | Data |
---|---|---|
b5b969e9 JM |
1 | /* |
2 | * hostapd / Callback functions for driver wrappers | |
94ddef3e | 3 | * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi> |
b5b969e9 | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
b5b969e9 JM |
7 | */ |
8 | ||
6226e38d | 9 | #include "utils/includes.h" |
b5b969e9 | 10 | |
6226e38d | 11 | #include "utils/common.h" |
9c47f6a2 | 12 | #include "utils/eloop.h" |
b5b969e9 | 13 | #include "radius/radius.h" |
6e6e8c31 | 14 | #include "drivers/driver.h" |
81f4f619 | 15 | #include "common/ieee802_11_defs.h" |
c41a1095 | 16 | #include "common/ieee802_11_common.h" |
3140803b | 17 | #include "common/wpa_ctrl.h" |
bbb921da | 18 | #include "crypto/random.h" |
ef796391 | 19 | #include "p2p/p2p.h" |
54f489be | 20 | #include "wps/wps.h" |
037378ff | 21 | #include "fst/fst.h" |
d32d94db | 22 | #include "wnm_ap.h" |
6226e38d JM |
23 | #include "hostapd.h" |
24 | #include "ieee802_11.h" | |
0603bcb7 | 25 | #include "ieee802_11_auth.h" |
6226e38d JM |
26 | #include "sta_info.h" |
27 | #include "accounting.h" | |
28 | #include "tkip_countermeasures.h" | |
6226e38d JM |
29 | #include "ieee802_1x.h" |
30 | #include "wpa_auth.h" | |
6226e38d | 31 | #include "wps_hostapd.h" |
51e2a27a | 32 | #include "ap_drv_ops.h" |
8b06c1ed | 33 | #include "ap_config.h" |
1b487b8b | 34 | #include "hw_features.h" |
e76da505 | 35 | #include "dfs.h" |
9c47f6a2 | 36 | #include "beacon.h" |
6332aaf3 | 37 | #include "mbo_ap.h" |
b5b969e9 JM |
38 | |
39 | ||
b5b969e9 | 40 | int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, |
2bb20281 | 41 | const u8 *req_ies, size_t req_ies_len, int reassoc) |
b5b969e9 JM |
42 | { |
43 | struct sta_info *sta; | |
44 | int new_assoc, res; | |
c41a1095 | 45 | struct ieee802_11_elems elems; |
2bb20281 JM |
46 | const u8 *ie; |
47 | size_t ielen; | |
8659e333 | 48 | #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) |
88b32a99 SP |
49 | u8 buf[sizeof(struct ieee80211_mgmt) + 1024]; |
50 | u8 *p = buf; | |
8659e333 | 51 | #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W */ |
08a74e6a | 52 | u16 reason = WLAN_REASON_UNSPECIFIED; |
88b32a99 | 53 | u16 status = WLAN_STATUS_SUCCESS; |
94ddef3e | 54 | const u8 *p2p_dev_addr = NULL; |
b5b969e9 | 55 | |
68532a9c JM |
56 | if (addr == NULL) { |
57 | /* | |
58 | * This could potentially happen with unexpected event from the | |
59 | * driver wrapper. This was seen at least in one case where the | |
60 | * driver ended up being set to station mode while hostapd was | |
61 | * running, so better make sure we stop processing such an | |
62 | * event here. | |
63 | */ | |
48b06c17 JM |
64 | wpa_printf(MSG_DEBUG, |
65 | "hostapd_notif_assoc: Skip event with no address"); | |
68532a9c JM |
66 | return -1; |
67 | } | |
bbb921da | 68 | random_add_randomness(addr, ETH_ALEN); |
68532a9c | 69 | |
b5b969e9 JM |
70 | hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, |
71 | HOSTAPD_LEVEL_INFO, "associated"); | |
72 | ||
2bb20281 | 73 | ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0); |
c41a1095 JM |
74 | if (elems.wps_ie) { |
75 | ie = elems.wps_ie - 2; | |
76 | ielen = elems.wps_ie_len + 2; | |
77 | wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq"); | |
78 | } else if (elems.rsn_ie) { | |
79 | ie = elems.rsn_ie - 2; | |
80 | ielen = elems.rsn_ie_len + 2; | |
81 | wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq"); | |
82 | } else if (elems.wpa_ie) { | |
83 | ie = elems.wpa_ie - 2; | |
84 | ielen = elems.wpa_ie_len + 2; | |
85 | wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq"); | |
a14896e8 JM |
86 | #ifdef CONFIG_HS20 |
87 | } else if (elems.osen) { | |
88 | ie = elems.osen - 2; | |
89 | ielen = elems.osen_len + 2; | |
90 | wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq"); | |
91 | #endif /* CONFIG_HS20 */ | |
c41a1095 JM |
92 | } else { |
93 | ie = NULL; | |
94 | ielen = 0; | |
48b06c17 JM |
95 | wpa_printf(MSG_DEBUG, |
96 | "STA did not include WPS/RSN/WPA IE in (Re)AssocReq"); | |
c41a1095 JM |
97 | } |
98 | ||
b5b969e9 JM |
99 | sta = ap_get_sta(hapd, addr); |
100 | if (sta) { | |
4331263b | 101 | ap_sta_no_session_timeout(hapd, sta); |
b5b969e9 | 102 | accounting_sta_stop(hapd, sta); |
c72bd6d4 JM |
103 | |
104 | /* | |
105 | * Make sure that the previously registered inactivity timer | |
106 | * will not remove the STA immediately. | |
107 | */ | |
108 | sta->timeout_next = STA_NULLFUNC; | |
b5b969e9 JM |
109 | } else { |
110 | sta = ap_sta_add(hapd, addr); | |
8bd0fc0e JM |
111 | if (sta == NULL) { |
112 | hostapd_drv_sta_disassoc(hapd, addr, | |
113 | WLAN_REASON_DISASSOC_AP_BUSY); | |
b5b969e9 | 114 | return -1; |
8bd0fc0e | 115 | } |
b5b969e9 | 116 | } |
17f6b900 | 117 | sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2); |
b5b969e9 | 118 | |
0603bcb7 AN |
119 | res = hostapd_check_acl(hapd, addr, NULL); |
120 | if (res != HOSTAPD_ACL_ACCEPT) { | |
121 | wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect", | |
122 | MAC2STR(addr)); | |
123 | reason = WLAN_REASON_UNSPECIFIED; | |
124 | goto fail; | |
125 | } | |
126 | ||
b305c684 JM |
127 | #ifdef CONFIG_P2P |
128 | if (elems.p2p) { | |
129 | wpabuf_free(sta->p2p_ie); | |
2bb20281 | 130 | sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len, |
b305c684 | 131 | P2P_IE_VENDOR_TYPE); |
94ddef3e JM |
132 | if (sta->p2p_ie) |
133 | p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie); | |
b305c684 JM |
134 | } |
135 | #endif /* CONFIG_P2P */ | |
136 | ||
9c47f6a2 PX |
137 | #ifdef CONFIG_IEEE80211N |
138 | #ifdef NEED_AP_MLME | |
139 | if (elems.ht_capabilities && | |
9c47f6a2 PX |
140 | (hapd->iface->conf->ht_capab & |
141 | HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) { | |
142 | struct ieee80211_ht_capabilities *ht_cap = | |
143 | (struct ieee80211_ht_capabilities *) | |
144 | elems.ht_capabilities; | |
145 | ||
146 | if (le_to_host16(ht_cap->ht_capabilities_info) & | |
147 | HT_CAP_INFO_40MHZ_INTOLERANT) | |
148 | ht40_intolerant_add(hapd->iface, sta); | |
149 | } | |
150 | #endif /* NEED_AP_MLME */ | |
151 | #endif /* CONFIG_IEEE80211N */ | |
152 | ||
c551700f KP |
153 | #ifdef CONFIG_INTERWORKING |
154 | if (elems.ext_capab && elems.ext_capab_len > 4) { | |
155 | if (elems.ext_capab[4] & 0x01) | |
156 | sta->qos_map_enabled = 1; | |
157 | } | |
158 | #endif /* CONFIG_INTERWORKING */ | |
159 | ||
f403dcd6 JM |
160 | #ifdef CONFIG_HS20 |
161 | wpabuf_free(sta->hs20_ie); | |
162 | if (elems.hs20 && elems.hs20_len > 4) { | |
163 | sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4, | |
164 | elems.hs20_len - 4); | |
165 | } else | |
166 | sta->hs20_ie = NULL; | |
167 | #endif /* CONFIG_HS20 */ | |
168 | ||
ae667c08 AN |
169 | #ifdef CONFIG_FST |
170 | wpabuf_free(sta->mb_ies); | |
171 | if (hapd->iface->fst) | |
172 | sta->mb_ies = mb_ies_by_info(&elems.mb_ies); | |
173 | else | |
174 | sta->mb_ies = NULL; | |
175 | #endif /* CONFIG_FST */ | |
176 | ||
6332aaf3 JM |
177 | mbo_ap_check_sta_assoc(hapd, sta, &elems); |
178 | ||
b5b969e9 JM |
179 | if (hapd->conf->wpa) { |
180 | if (ie == NULL || ielen == 0) { | |
633d4469 | 181 | #ifdef CONFIG_WPS |
b5b969e9 | 182 | if (hapd->conf->wps_state) { |
48b06c17 JM |
183 | wpa_printf(MSG_DEBUG, |
184 | "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use"); | |
b5b969e9 JM |
185 | sta->flags |= WLAN_STA_MAYBE_WPS; |
186 | goto skip_wpa_check; | |
187 | } | |
633d4469 | 188 | #endif /* CONFIG_WPS */ |
b5b969e9 JM |
189 | |
190 | wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA"); | |
191 | return -1; | |
192 | } | |
633d4469 | 193 | #ifdef CONFIG_WPS |
b5b969e9 JM |
194 | if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 && |
195 | os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) { | |
17f6b900 | 196 | struct wpabuf *wps; |
48b06c17 | 197 | |
b5b969e9 | 198 | sta->flags |= WLAN_STA_WPS; |
17f6b900 JM |
199 | wps = ieee802_11_vendor_ie_concat(ie, ielen, |
200 | WPS_IE_VENDOR_TYPE); | |
201 | if (wps) { | |
202 | if (wps_is_20(wps)) { | |
48b06c17 JM |
203 | wpa_printf(MSG_DEBUG, |
204 | "WPS: STA supports WPS 2.0"); | |
17f6b900 JM |
205 | sta->flags |= WLAN_STA_WPS2; |
206 | } | |
207 | wpabuf_free(wps); | |
208 | } | |
b5b969e9 JM |
209 | goto skip_wpa_check; |
210 | } | |
633d4469 | 211 | #endif /* CONFIG_WPS */ |
b5b969e9 JM |
212 | |
213 | if (sta->wpa_sm == NULL) | |
214 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
94ddef3e JM |
215 | sta->addr, |
216 | p2p_dev_addr); | |
b5b969e9 | 217 | if (sta->wpa_sm == NULL) { |
48b06c17 JM |
218 | wpa_printf(MSG_ERROR, |
219 | "Failed to initialize WPA state machine"); | |
b5b969e9 JM |
220 | return -1; |
221 | } | |
222 | res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm, | |
88b32a99 SP |
223 | ie, ielen, |
224 | elems.mdie, elems.mdie_len); | |
b5b969e9 | 225 | if (res != WPA_IE_OK) { |
48b06c17 JM |
226 | wpa_printf(MSG_DEBUG, |
227 | "WPA/RSN information element rejected? (res %u)", | |
228 | res); | |
b5b969e9 | 229 | wpa_hexdump(MSG_DEBUG, "IE", ie, ielen); |
88b32a99 | 230 | if (res == WPA_INVALID_GROUP) { |
08a74e6a | 231 | reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID; |
88b32a99 SP |
232 | status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; |
233 | } else if (res == WPA_INVALID_PAIRWISE) { | |
08a74e6a | 234 | reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID; |
88b32a99 SP |
235 | status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID; |
236 | } else if (res == WPA_INVALID_AKMP) { | |
08a74e6a | 237 | reason = WLAN_REASON_AKMP_NOT_VALID; |
88b32a99 SP |
238 | status = WLAN_STATUS_AKMP_NOT_VALID; |
239 | } | |
355d36a7 | 240 | #ifdef CONFIG_IEEE80211W |
88b32a99 | 241 | else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) { |
08a74e6a | 242 | reason = WLAN_REASON_INVALID_IE; |
88b32a99 SP |
243 | status = WLAN_STATUS_INVALID_IE; |
244 | } else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) { | |
08a74e6a | 245 | reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID; |
88b32a99 SP |
246 | status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; |
247 | } | |
355d36a7 | 248 | #endif /* CONFIG_IEEE80211W */ |
88b32a99 | 249 | else { |
08a74e6a | 250 | reason = WLAN_REASON_INVALID_IE; |
88b32a99 SP |
251 | status = WLAN_STATUS_INVALID_IE; |
252 | } | |
08a74e6a | 253 | goto fail; |
b5b969e9 | 254 | } |
7d9c0cd3 MP |
255 | #ifdef CONFIG_IEEE80211W |
256 | if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && | |
257 | sta->sa_query_count > 0) | |
258 | ap_check_sa_query_timeout(hapd, sta); | |
259 | if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out && | |
260 | (sta->auth_alg != WLAN_AUTH_FT)) { | |
261 | /* | |
262 | * STA has already been associated with MFP and SA | |
263 | * Query timeout has not been reached. Reject the | |
264 | * association attempt temporarily and start SA Query, | |
265 | * if one is not pending. | |
266 | */ | |
267 | ||
268 | if (sta->sa_query_count == 0) | |
269 | ap_sta_start_sa_query(hapd, sta); | |
270 | ||
7d9c0cd3 MP |
271 | status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY; |
272 | ||
273 | p = hostapd_eid_assoc_comeback_time(hapd, sta, p); | |
274 | ||
275 | hostapd_sta_assoc(hapd, addr, reassoc, status, buf, | |
276 | p - buf); | |
7d9c0cd3 MP |
277 | return 0; |
278 | } | |
279 | ||
280 | if (wpa_auth_uses_mfp(sta->wpa_sm)) | |
281 | sta->flags |= WLAN_STA_MFP; | |
282 | else | |
283 | sta->flags &= ~WLAN_STA_MFP; | |
284 | #endif /* CONFIG_IEEE80211W */ | |
285 | ||
88b32a99 SP |
286 | #ifdef CONFIG_IEEE80211R |
287 | if (sta->auth_alg == WLAN_AUTH_FT) { | |
288 | status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies, | |
289 | req_ies_len); | |
290 | if (status != WLAN_STATUS_SUCCESS) { | |
291 | if (status == WLAN_STATUS_INVALID_PMKID) | |
292 | reason = WLAN_REASON_INVALID_IE; | |
293 | if (status == WLAN_STATUS_INVALID_MDIE) | |
294 | reason = WLAN_REASON_INVALID_IE; | |
295 | if (status == WLAN_STATUS_INVALID_FTIE) | |
296 | reason = WLAN_REASON_INVALID_IE; | |
297 | goto fail; | |
298 | } | |
299 | } | |
300 | #endif /* CONFIG_IEEE80211R */ | |
a9aca28b | 301 | } else if (hapd->conf->wps_state) { |
633d4469 | 302 | #ifdef CONFIG_WPS |
17f6b900 | 303 | struct wpabuf *wps; |
48b06c17 | 304 | |
2bb20281 JM |
305 | if (req_ies) |
306 | wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len, | |
fa15d405 JM |
307 | WPS_IE_VENDOR_TYPE); |
308 | else | |
309 | wps = NULL; | |
54f489be | 310 | #ifdef CONFIG_WPS_STRICT |
fa15d405 | 311 | if (wps && wps_validate_assoc_req(wps) < 0) { |
08a74e6a | 312 | reason = WLAN_REASON_INVALID_IE; |
88b32a99 | 313 | status = WLAN_STATUS_INVALID_IE; |
fa15d405 | 314 | wpabuf_free(wps); |
08a74e6a | 315 | goto fail; |
54f489be | 316 | } |
54f489be | 317 | #endif /* CONFIG_WPS_STRICT */ |
fa15d405 | 318 | if (wps) { |
a9aca28b | 319 | sta->flags |= WLAN_STA_WPS; |
fa15d405 | 320 | if (wps_is_20(wps)) { |
48b06c17 JM |
321 | wpa_printf(MSG_DEBUG, |
322 | "WPS: STA supports WPS 2.0"); | |
17f6b900 JM |
323 | sta->flags |= WLAN_STA_WPS2; |
324 | } | |
a9aca28b JM |
325 | } else |
326 | sta->flags |= WLAN_STA_MAYBE_WPS; | |
17f6b900 | 327 | wpabuf_free(wps); |
633d4469 | 328 | #endif /* CONFIG_WPS */ |
a14896e8 JM |
329 | #ifdef CONFIG_HS20 |
330 | } else if (hapd->conf->osen) { | |
331 | if (elems.osen == NULL) { | |
332 | hostapd_logger( | |
333 | hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, | |
334 | HOSTAPD_LEVEL_INFO, | |
335 | "No HS 2.0 OSEN element in association request"); | |
336 | return WLAN_STATUS_INVALID_IE; | |
337 | } | |
338 | ||
339 | wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association"); | |
340 | if (sta->wpa_sm == NULL) | |
341 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
342 | sta->addr, NULL); | |
343 | if (sta->wpa_sm == NULL) { | |
48b06c17 JM |
344 | wpa_printf(MSG_WARNING, |
345 | "Failed to initialize WPA state machine"); | |
a14896e8 JM |
346 | return WLAN_STATUS_UNSPECIFIED_FAILURE; |
347 | } | |
348 | if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm, | |
349 | elems.osen - 2, elems.osen_len + 2) < 0) | |
350 | return WLAN_STATUS_INVALID_IE; | |
351 | #endif /* CONFIG_HS20 */ | |
b5b969e9 | 352 | } |
4c572281 JM |
353 | |
354 | #ifdef CONFIG_MBO | |
355 | if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) && | |
356 | elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) && | |
357 | hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { | |
358 | wpa_printf(MSG_INFO, | |
359 | "MBO: Reject WPA2 association without PMF"); | |
360 | return WLAN_STATUS_UNSPECIFIED_FAILURE; | |
361 | } | |
362 | #endif /* CONFIG_MBO */ | |
363 | ||
633d4469 | 364 | #ifdef CONFIG_WPS |
b5b969e9 | 365 | skip_wpa_check: |
633d4469 | 366 | #endif /* CONFIG_WPS */ |
b5b969e9 | 367 | |
88b32a99 SP |
368 | #ifdef CONFIG_IEEE80211R |
369 | p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf), | |
370 | sta->auth_alg, req_ies, req_ies_len); | |
371 | ||
372 | hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); | |
e4474c1c DPS |
373 | |
374 | if (sta->auth_alg == WLAN_AUTH_FT) | |
375 | ap_sta_set_authorized(hapd, sta, 1); | |
88b32a99 SP |
376 | #else /* CONFIG_IEEE80211R */ |
377 | /* Keep compiler silent about unused variables */ | |
378 | if (status) { | |
379 | } | |
380 | #endif /* CONFIG_IEEE80211R */ | |
381 | ||
b5b969e9 JM |
382 | new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0; |
383 | sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
3578e665 | 384 | sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE; |
88b32a99 | 385 | |
e4474c1c DPS |
386 | hostapd_set_sta_flags(hapd, sta); |
387 | ||
88b32a99 SP |
388 | if (reassoc && (sta->auth_alg == WLAN_AUTH_FT)) |
389 | wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT); | |
390 | else | |
391 | wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC); | |
b5b969e9 JM |
392 | |
393 | hostapd_new_assoc_sta(hapd, sta, !new_assoc); | |
394 | ||
395 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 1); | |
396 | ||
ef796391 | 397 | #ifdef CONFIG_P2P |
99c01af9 JM |
398 | if (req_ies) { |
399 | p2p_group_notif_assoc(hapd->p2p_group, sta->addr, | |
400 | req_ies, req_ies_len); | |
401 | } | |
ef796391 JM |
402 | #endif /* CONFIG_P2P */ |
403 | ||
b5b969e9 | 404 | return 0; |
08a74e6a JM |
405 | |
406 | fail: | |
88b32a99 SP |
407 | #ifdef CONFIG_IEEE80211R |
408 | hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf); | |
409 | #endif /* CONFIG_IEEE80211R */ | |
08a74e6a JM |
410 | hostapd_drv_sta_disassoc(hapd, sta->addr, reason); |
411 | ap_free_sta(hapd, sta); | |
412 | return -1; | |
b5b969e9 JM |
413 | } |
414 | ||
415 | ||
416 | void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr) | |
417 | { | |
418 | struct sta_info *sta; | |
419 | ||
83e843e8 JM |
420 | if (addr == NULL) { |
421 | /* | |
422 | * This could potentially happen with unexpected event from the | |
423 | * driver wrapper. This was seen at least in one case where the | |
424 | * driver ended up reporting a station mode event while hostapd | |
425 | * was running, so better make sure we stop processing such an | |
426 | * event here. | |
427 | */ | |
48b06c17 JM |
428 | wpa_printf(MSG_DEBUG, |
429 | "hostapd_notif_disassoc: Skip event with no address"); | |
1f4c7b6b | 430 | return; |
83e843e8 JM |
431 | } |
432 | ||
b5b969e9 JM |
433 | hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, |
434 | HOSTAPD_LEVEL_INFO, "disassociated"); | |
435 | ||
436 | sta = ap_get_sta(hapd, addr); | |
437 | if (sta == NULL) { | |
48b06c17 JM |
438 | wpa_printf(MSG_DEBUG, |
439 | "Disassociation notification for unknown STA " | |
440 | MACSTR, MAC2STR(addr)); | |
b5b969e9 JM |
441 | return; |
442 | } | |
443 | ||
ae055af4 | 444 | ap_sta_set_authorized(hapd, sta, 0); |
b5b969e9 JM |
445 | sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC); |
446 | wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC); | |
447 | sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST; | |
448 | ieee802_1x_notify_port_enabled(sta->eapol_sm, 0); | |
449 | ap_free_sta(hapd, sta); | |
450 | } | |
451 | ||
452 | ||
0d7e5a3a JB |
453 | void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr) |
454 | { | |
455 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
456 | ||
457 | if (!sta || !hapd->conf->disassoc_low_ack) | |
458 | return; | |
459 | ||
460 | hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211, | |
48b06c17 JM |
461 | HOSTAPD_LEVEL_INFO, |
462 | "disconnected due to excessive missing ACKs"); | |
0d7e5a3a JB |
463 | hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK); |
464 | if (sta) | |
465 | ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK); | |
466 | } | |
467 | ||
468 | ||
1b487b8b | 469 | void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, |
8d1fdde7 | 470 | int offset, int width, int cf1, int cf2) |
1b487b8b | 471 | { |
c7803a02 | 472 | #ifdef NEED_AP_MLME |
d308a44f LC |
473 | int channel, chwidth, is_dfs; |
474 | u8 seg0_idx = 0, seg1_idx = 0; | |
1b487b8b TP |
475 | |
476 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, | |
2f06bcb3 JM |
477 | HOSTAPD_LEVEL_INFO, |
478 | "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d", | |
479 | freq, ht, offset, width, channel_width_to_string(width), | |
480 | cf1, cf2); | |
1b487b8b TP |
481 | |
482 | hapd->iface->freq = freq; | |
483 | ||
484 | channel = hostapd_hw_get_channel(hapd, freq); | |
485 | if (!channel) { | |
486 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, | |
48b06c17 JM |
487 | HOSTAPD_LEVEL_WARNING, |
488 | "driver switched to bad channel!"); | |
1b487b8b TP |
489 | return; |
490 | } | |
491 | ||
8d1fdde7 JD |
492 | switch (width) { |
493 | case CHAN_WIDTH_80: | |
494 | chwidth = VHT_CHANWIDTH_80MHZ; | |
495 | break; | |
496 | case CHAN_WIDTH_80P80: | |
497 | chwidth = VHT_CHANWIDTH_80P80MHZ; | |
498 | break; | |
499 | case CHAN_WIDTH_160: | |
500 | chwidth = VHT_CHANWIDTH_160MHZ; | |
501 | break; | |
502 | case CHAN_WIDTH_20_NOHT: | |
503 | case CHAN_WIDTH_20: | |
504 | case CHAN_WIDTH_40: | |
505 | default: | |
506 | chwidth = VHT_CHANWIDTH_USE_HT; | |
507 | break; | |
508 | } | |
509 | ||
510 | switch (hapd->iface->current_mode->mode) { | |
511 | case HOSTAPD_MODE_IEEE80211A: | |
512 | if (cf1 > 5000) | |
513 | seg0_idx = (cf1 - 5000) / 5; | |
514 | if (cf2 > 5000) | |
515 | seg1_idx = (cf2 - 5000) / 5; | |
516 | break; | |
517 | default: | |
d308a44f LC |
518 | ieee80211_freq_to_chan(cf1, &seg0_idx); |
519 | ieee80211_freq_to_chan(cf2, &seg1_idx); | |
8d1fdde7 JD |
520 | break; |
521 | } | |
522 | ||
1b487b8b TP |
523 | hapd->iconf->channel = channel; |
524 | hapd->iconf->ieee80211n = ht; | |
5de74818 JM |
525 | if (!ht) |
526 | hapd->iconf->ieee80211ac = 0; | |
1b487b8b | 527 | hapd->iconf->secondary_channel = offset; |
8d1fdde7 JD |
528 | hapd->iconf->vht_oper_chwidth = chwidth; |
529 | hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; | |
530 | hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; | |
bf281c12 | 531 | |
1e2aaffb AK |
532 | is_dfs = ieee80211_is_dfs(freq); |
533 | ||
6782b684 MK |
534 | if (hapd->csa_in_progress && |
535 | freq == hapd->cs_freq_params.freq) { | |
bf281c12 | 536 | hostapd_cleanup_cs_params(hapd); |
6782b684 | 537 | ieee802_11_set_beacon(hapd); |
bf281c12 | 538 | |
1e2aaffb AK |
539 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED |
540 | "freq=%d dfs=%d", freq, is_dfs); | |
541 | } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { | |
542 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED | |
543 | "freq=%d dfs=%d", freq, is_dfs); | |
bf281c12 | 544 | } |
c7803a02 | 545 | #endif /* NEED_AP_MLME */ |
1b487b8b TP |
546 | } |
547 | ||
548 | ||
3140803b RM |
549 | void hostapd_event_connect_failed_reason(struct hostapd_data *hapd, |
550 | const u8 *addr, int reason_code) | |
551 | { | |
552 | switch (reason_code) { | |
553 | case MAX_CLIENT_REACHED: | |
554 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR, | |
555 | MAC2STR(addr)); | |
556 | break; | |
557 | case BLOCKED_CLIENT: | |
558 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR, | |
559 | MAC2STR(addr)); | |
560 | break; | |
561 | } | |
562 | } | |
563 | ||
564 | ||
16689c7c | 565 | #ifdef CONFIG_ACS |
d9909717 TB |
566 | void hostapd_acs_channel_selected(struct hostapd_data *hapd, |
567 | struct acs_selected_channels *acs_res) | |
16689c7c | 568 | { |
3784c058 | 569 | int ret, i; |
16689c7c PX |
570 | |
571 | if (hapd->iconf->channel) { | |
572 | wpa_printf(MSG_INFO, "ACS: Channel was already set to %d", | |
573 | hapd->iconf->channel); | |
574 | return; | |
575 | } | |
576 | ||
3784c058 PX |
577 | if (!hapd->iface->current_mode) { |
578 | for (i = 0; i < hapd->iface->num_hw_features; i++) { | |
579 | struct hostapd_hw_modes *mode = | |
580 | &hapd->iface->hw_features[i]; | |
581 | ||
582 | if (mode->mode == acs_res->hw_mode) { | |
583 | hapd->iface->current_mode = mode; | |
584 | break; | |
585 | } | |
586 | } | |
587 | if (!hapd->iface->current_mode) { | |
588 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, | |
589 | HOSTAPD_LEVEL_WARNING, | |
590 | "driver selected to bad hw_mode"); | |
591 | return; | |
592 | } | |
593 | } | |
594 | ||
857d9422 | 595 | hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel); |
16689c7c | 596 | |
857d9422 | 597 | if (!acs_res->pri_channel) { |
16689c7c PX |
598 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, |
599 | HOSTAPD_LEVEL_WARNING, | |
600 | "driver switched to bad channel"); | |
601 | return; | |
602 | } | |
603 | ||
857d9422 MM |
604 | hapd->iconf->channel = acs_res->pri_channel; |
605 | hapd->iconf->acs = 1; | |
16689c7c | 606 | |
857d9422 | 607 | if (acs_res->sec_channel == 0) |
16689c7c | 608 | hapd->iconf->secondary_channel = 0; |
857d9422 | 609 | else if (acs_res->sec_channel < acs_res->pri_channel) |
16689c7c | 610 | hapd->iconf->secondary_channel = -1; |
857d9422 | 611 | else if (acs_res->sec_channel > acs_res->pri_channel) |
16689c7c PX |
612 | hapd->iconf->secondary_channel = 1; |
613 | else { | |
614 | wpa_printf(MSG_ERROR, "Invalid secondary channel!"); | |
615 | return; | |
616 | } | |
617 | ||
857d9422 MM |
618 | if (hapd->iface->conf->ieee80211ac) { |
619 | /* set defaults for backwards compatibility */ | |
620 | hapd->iconf->vht_oper_centr_freq_seg1_idx = 0; | |
621 | hapd->iconf->vht_oper_centr_freq_seg0_idx = 0; | |
622 | hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT; | |
623 | if (acs_res->ch_width == 80) { | |
624 | hapd->iconf->vht_oper_centr_freq_seg0_idx = | |
625 | acs_res->vht_seg0_center_ch; | |
626 | hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ; | |
627 | } else if (acs_res->ch_width == 160) { | |
628 | if (acs_res->vht_seg1_center_ch == 0) { | |
629 | hapd->iconf->vht_oper_centr_freq_seg0_idx = | |
630 | acs_res->vht_seg0_center_ch; | |
631 | hapd->iconf->vht_oper_chwidth = | |
632 | VHT_CHANWIDTH_160MHZ; | |
633 | } else { | |
634 | hapd->iconf->vht_oper_centr_freq_seg0_idx = | |
635 | acs_res->vht_seg0_center_ch; | |
636 | hapd->iconf->vht_oper_centr_freq_seg1_idx = | |
637 | acs_res->vht_seg1_center_ch; | |
638 | hapd->iconf->vht_oper_chwidth = | |
639 | VHT_CHANWIDTH_80P80MHZ; | |
640 | } | |
641 | } | |
642 | } | |
643 | ||
16689c7c PX |
644 | ret = hostapd_acs_completed(hapd->iface, 0); |
645 | if (ret) { | |
646 | wpa_printf(MSG_ERROR, | |
647 | "ACS: Possibly channel configuration is invalid"); | |
648 | } | |
649 | } | |
650 | #endif /* CONFIG_ACS */ | |
651 | ||
652 | ||
04a85e44 | 653 | int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, |
baf513d6 JB |
654 | const u8 *bssid, const u8 *ie, size_t ie_len, |
655 | int ssi_signal) | |
e67b55fb JM |
656 | { |
657 | size_t i; | |
658 | int ret = 0; | |
659 | ||
b211f3eb JM |
660 | if (sa == NULL || ie == NULL) |
661 | return -1; | |
662 | ||
663 | random_add_randomness(sa, ETH_ALEN); | |
e67b55fb JM |
664 | for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) { |
665 | if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, | |
baf513d6 JB |
666 | sa, da, bssid, ie, ie_len, |
667 | ssi_signal) > 0) { | |
e67b55fb JM |
668 | ret = 1; |
669 | break; | |
670 | } | |
671 | } | |
672 | return ret; | |
673 | } | |
674 | ||
675 | ||
5c61a282 JM |
676 | #ifdef HOSTAPD |
677 | ||
88b32a99 SP |
678 | #ifdef CONFIG_IEEE80211R |
679 | static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst, | |
680 | const u8 *bssid, | |
681 | u16 auth_transaction, u16 status, | |
682 | const u8 *ies, size_t ies_len) | |
683 | { | |
684 | struct hostapd_data *hapd = ctx; | |
685 | struct sta_info *sta; | |
686 | ||
687 | sta = ap_get_sta(hapd, dst); | |
688 | if (sta == NULL) | |
689 | return; | |
690 | ||
691 | hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211, | |
692 | HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)"); | |
693 | sta->flags |= WLAN_STA_AUTH; | |
694 | ||
695 | hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len); | |
696 | } | |
697 | #endif /* CONFIG_IEEE80211R */ | |
698 | ||
699 | ||
88b32a99 SP |
700 | static void hostapd_notif_auth(struct hostapd_data *hapd, |
701 | struct auth_info *rx_auth) | |
702 | { | |
703 | struct sta_info *sta; | |
704 | u16 status = WLAN_STATUS_SUCCESS; | |
705 | u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN]; | |
706 | size_t resp_ies_len = 0; | |
707 | ||
708 | sta = ap_get_sta(hapd, rx_auth->peer); | |
709 | if (!sta) { | |
710 | sta = ap_sta_add(hapd, rx_auth->peer); | |
711 | if (sta == NULL) { | |
728d9717 | 712 | status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; |
88b32a99 SP |
713 | goto fail; |
714 | } | |
715 | } | |
716 | sta->flags &= ~WLAN_STA_PREAUTH; | |
717 | ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); | |
718 | #ifdef CONFIG_IEEE80211R | |
719 | if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) { | |
720 | sta->auth_alg = WLAN_AUTH_FT; | |
721 | if (sta->wpa_sm == NULL) | |
722 | sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, | |
94ddef3e | 723 | sta->addr, NULL); |
88b32a99 | 724 | if (sta->wpa_sm == NULL) { |
48b06c17 JM |
725 | wpa_printf(MSG_DEBUG, |
726 | "FT: Failed to initialize WPA state machine"); | |
88b32a99 SP |
727 | status = WLAN_STATUS_UNSPECIFIED_FAILURE; |
728 | goto fail; | |
729 | } | |
730 | wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid, | |
731 | rx_auth->auth_transaction, rx_auth->ies, | |
732 | rx_auth->ies_len, | |
733 | hostapd_notify_auth_ft_finish, hapd); | |
734 | return; | |
735 | } | |
736 | #endif /* CONFIG_IEEE80211R */ | |
737 | fail: | |
738 | hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1, | |
739 | status, resp_ies, resp_ies_len); | |
740 | } | |
741 | ||
742 | ||
743 | static void hostapd_action_rx(struct hostapd_data *hapd, | |
dbfb8e82 | 744 | struct rx_mgmt *drv_mgmt) |
88b32a99 | 745 | { |
dbfb8e82 | 746 | struct ieee80211_mgmt *mgmt; |
88b32a99 | 747 | struct sta_info *sta; |
dbfb8e82 JM |
748 | size_t plen __maybe_unused; |
749 | u16 fc; | |
750 | ||
751 | if (drv_mgmt->frame_len < 24 + 1) | |
752 | return; | |
753 | ||
754 | plen = drv_mgmt->frame_len - 24 - 1; | |
755 | ||
756 | mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame; | |
757 | fc = le_to_host16(mgmt->frame_control); | |
758 | if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) | |
759 | return; /* handled by the driver */ | |
88b32a99 | 760 | |
48b06c17 | 761 | wpa_printf(MSG_DEBUG, "RX_ACTION cat %d action plen %d", |
dbfb8e82 | 762 | mgmt->u.action.category, (int) plen); |
7d9c0cd3 | 763 | |
dbfb8e82 | 764 | sta = ap_get_sta(hapd, mgmt->sa); |
88b32a99 SP |
765 | if (sta == NULL) { |
766 | wpa_printf(MSG_DEBUG, "%s: station not found", __func__); | |
767 | return; | |
768 | } | |
769 | #ifdef CONFIG_IEEE80211R | |
dbfb8e82 JM |
770 | if (mgmt->u.action.category == WLAN_ACTION_FT) { |
771 | const u8 *payload = drv_mgmt->frame + 24 + 1; | |
48b06c17 | 772 | |
dbfb8e82 | 773 | wpa_ft_action_rx(sta->wpa_sm, payload, plen); |
88b32a99 SP |
774 | } |
775 | #endif /* CONFIG_IEEE80211R */ | |
7d9c0cd3 | 776 | #ifdef CONFIG_IEEE80211W |
dbfb8e82 JM |
777 | if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY && plen >= 4) { |
778 | ieee802_11_sa_query_action( | |
779 | hapd, mgmt->sa, | |
780 | mgmt->u.action.u.sa_query_resp.action, | |
781 | mgmt->u.action.u.sa_query_resp.trans_id); | |
7d9c0cd3 MP |
782 | } |
783 | #endif /* CONFIG_IEEE80211W */ | |
ad3872a3 | 784 | #ifdef CONFIG_WNM |
dbfb8e82 JM |
785 | if (mgmt->u.action.category == WLAN_ACTION_WNM) { |
786 | ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len); | |
d32d94db | 787 | } |
ad3872a3 | 788 | #endif /* CONFIG_WNM */ |
037378ff AN |
789 | #ifdef CONFIG_FST |
790 | if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) { | |
791 | fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len); | |
792 | return; | |
793 | } | |
794 | #endif /* CONFIG_FST */ | |
795 | ||
88b32a99 SP |
796 | } |
797 | ||
798 | ||
fe6bdb77 | 799 | #ifdef NEED_AP_MLME |
f8b1f695 | 800 | |
f8b1f695 JM |
801 | #define HAPD_BROADCAST ((struct hostapd_data *) -1) |
802 | ||
803 | static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface, | |
804 | const u8 *bssid) | |
805 | { | |
806 | size_t i; | |
807 | ||
808 | if (bssid == NULL) | |
809 | return NULL; | |
810 | if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff && | |
811 | bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff) | |
812 | return HAPD_BROADCAST; | |
813 | ||
814 | for (i = 0; i < iface->num_bss; i++) { | |
815 | if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) | |
816 | return iface->bss[i]; | |
817 | } | |
818 | ||
819 | return NULL; | |
820 | } | |
821 | ||
822 | ||
823 | static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, | |
9b90955e JB |
824 | const u8 *bssid, const u8 *addr, |
825 | int wds) | |
f8b1f695 | 826 | { |
9b90955e | 827 | hapd = get_hapd_bssid(hapd->iface, bssid); |
f8b1f695 JM |
828 | if (hapd == NULL || hapd == HAPD_BROADCAST) |
829 | return; | |
830 | ||
9b90955e | 831 | ieee802_11_rx_from_unknown(hapd, addr, wds); |
f8b1f695 JM |
832 | } |
833 | ||
834 | ||
912b34f0 | 835 | static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt) |
b5b969e9 | 836 | { |
4b9841d3 | 837 | struct hostapd_iface *iface = hapd->iface; |
b57e086c | 838 | const struct ieee80211_hdr *hdr; |
4b9841d3 | 839 | const u8 *bssid; |
2a8b7416 | 840 | struct hostapd_frame_info fi; |
912b34f0 | 841 | int ret; |
4b9841d3 | 842 | |
5f7e1c06 JM |
843 | #ifdef CONFIG_TESTING_OPTIONS |
844 | if (hapd->ext_mgmt_frame_handling) { | |
845 | size_t hex_len = 2 * rx_mgmt->frame_len + 1; | |
846 | char *hex = os_malloc(hex_len); | |
48b06c17 | 847 | |
5f7e1c06 JM |
848 | if (hex) { |
849 | wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame, | |
850 | rx_mgmt->frame_len); | |
851 | wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex); | |
852 | os_free(hex); | |
853 | } | |
854 | return 1; | |
855 | } | |
856 | #endif /* CONFIG_TESTING_OPTIONS */ | |
857 | ||
2a8b7416 JM |
858 | hdr = (const struct ieee80211_hdr *) rx_mgmt->frame; |
859 | bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len); | |
4b9841d3 | 860 | if (bssid == NULL) |
912b34f0 | 861 | return 0; |
4b9841d3 JM |
862 | |
863 | hapd = get_hapd_bssid(iface, bssid); | |
864 | if (hapd == NULL) { | |
48b06c17 | 865 | u16 fc = le_to_host16(hdr->frame_control); |
4b9841d3 JM |
866 | |
867 | /* | |
868 | * Drop frames to unknown BSSIDs except for Beacon frames which | |
869 | * could be used to update neighbor information. | |
870 | */ | |
871 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
872 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) | |
873 | hapd = iface->bss[0]; | |
874 | else | |
912b34f0 | 875 | return 0; |
4b9841d3 JM |
876 | } |
877 | ||
2a8b7416 JM |
878 | os_memset(&fi, 0, sizeof(fi)); |
879 | fi.datarate = rx_mgmt->datarate; | |
880 | fi.ssi_signal = rx_mgmt->ssi_signal; | |
881 | ||
4b9841d3 JM |
882 | if (hapd == HAPD_BROADCAST) { |
883 | size_t i; | |
48b06c17 | 884 | |
912b34f0 JM |
885 | ret = 0; |
886 | for (i = 0; i < iface->num_bss; i++) { | |
1d91f504 SW |
887 | /* if bss is set, driver will call this function for |
888 | * each bss individually. */ | |
889 | if (rx_mgmt->drv_priv && | |
890 | (iface->bss[i]->drv_priv != rx_mgmt->drv_priv)) | |
891 | continue; | |
892 | ||
912b34f0 JM |
893 | if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame, |
894 | rx_mgmt->frame_len, &fi) > 0) | |
895 | ret = 1; | |
896 | } | |
4b9841d3 | 897 | } else |
912b34f0 JM |
898 | ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len, |
899 | &fi); | |
bbb921da JM |
900 | |
901 | random_add_randomness(&fi, sizeof(fi)); | |
912b34f0 JM |
902 | |
903 | return ret; | |
b5b969e9 JM |
904 | } |
905 | ||
906 | ||
f8b1f695 JM |
907 | static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf, |
908 | size_t len, u16 stype, int ok) | |
b5b969e9 | 909 | { |
4b9841d3 | 910 | struct ieee80211_hdr *hdr; |
48b06c17 | 911 | |
4b9841d3 JM |
912 | hdr = (struct ieee80211_hdr *) buf; |
913 | hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len)); | |
914 | if (hapd == NULL || hapd == HAPD_BROADCAST) | |
915 | return; | |
b5b969e9 JM |
916 | ieee802_11_mgmt_cb(hapd, buf, len, stype, ok); |
917 | } | |
f82ef4d8 | 918 | |
f8b1f695 | 919 | #endif /* NEED_AP_MLME */ |
ad1e68e6 JM |
920 | |
921 | ||
a8e0505b JM |
922 | static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr) |
923 | { | |
924 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
48b06c17 | 925 | |
a8e0505b JM |
926 | if (sta) |
927 | return 0; | |
928 | ||
929 | wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR | |
930 | " - adding a new STA", MAC2STR(addr)); | |
931 | sta = ap_sta_add(hapd, addr); | |
932 | if (sta) { | |
933 | hostapd_new_assoc_sta(hapd, sta, 0); | |
934 | } else { | |
935 | wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR, | |
936 | MAC2STR(addr)); | |
937 | return -1; | |
938 | } | |
939 | ||
940 | return 0; | |
941 | } | |
942 | ||
943 | ||
944 | static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src, | |
945 | const u8 *data, size_t data_len) | |
946 | { | |
947 | struct hostapd_iface *iface = hapd->iface; | |
f826635c | 948 | struct sta_info *sta; |
a8e0505b JM |
949 | size_t j; |
950 | ||
951 | for (j = 0; j < iface->num_bss; j++) { | |
48b06c17 JM |
952 | sta = ap_get_sta(iface->bss[j], src); |
953 | if (sta && sta->flags & WLAN_STA_ASSOC) { | |
954 | hapd = iface->bss[j]; | |
955 | break; | |
a8e0505b JM |
956 | } |
957 | } | |
958 | ||
959 | ieee802_1x_receive(hapd, src, data, data_len); | |
960 | } | |
961 | ||
96bc5086 TB |
962 | #endif /* HOSTAPD */ |
963 | ||
a8e0505b | 964 | |
0185007c MK |
965 | static struct hostapd_channel_data * hostapd_get_mode_channel( |
966 | struct hostapd_iface *iface, unsigned int freq) | |
967 | { | |
968 | int i; | |
969 | struct hostapd_channel_data *chan; | |
970 | ||
971 | for (i = 0; i < iface->current_mode->num_channels; i++) { | |
972 | chan = &iface->current_mode->channels[i]; | |
0185007c MK |
973 | if ((unsigned int) chan->freq == freq) |
974 | return chan; | |
975 | } | |
976 | ||
977 | return NULL; | |
978 | } | |
979 | ||
980 | ||
981 | static void hostapd_update_nf(struct hostapd_iface *iface, | |
982 | struct hostapd_channel_data *chan, | |
983 | struct freq_survey *survey) | |
984 | { | |
985 | if (!iface->chans_surveyed) { | |
986 | chan->min_nf = survey->nf; | |
987 | iface->lowest_nf = survey->nf; | |
988 | } else { | |
989 | if (dl_list_empty(&chan->survey_list)) | |
990 | chan->min_nf = survey->nf; | |
991 | else if (survey->nf < chan->min_nf) | |
992 | chan->min_nf = survey->nf; | |
993 | if (survey->nf < iface->lowest_nf) | |
994 | iface->lowest_nf = survey->nf; | |
995 | } | |
996 | } | |
997 | ||
998 | ||
ec8f36af KP |
999 | static void hostapd_single_channel_get_survey(struct hostapd_iface *iface, |
1000 | struct survey_results *survey_res) | |
1001 | { | |
1002 | struct hostapd_channel_data *chan; | |
1003 | struct freq_survey *survey; | |
1004 | u64 divisor, dividend; | |
1005 | ||
1006 | survey = dl_list_first(&survey_res->survey_list, struct freq_survey, | |
1007 | list); | |
1008 | if (!survey || !survey->freq) | |
1009 | return; | |
1010 | ||
1011 | chan = hostapd_get_mode_channel(iface, survey->freq); | |
1012 | if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED) | |
1013 | return; | |
1014 | ||
48b06c17 JM |
1015 | wpa_printf(MSG_DEBUG, |
1016 | "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)", | |
ec8f36af KP |
1017 | survey->freq, |
1018 | (unsigned long int) survey->channel_time, | |
1019 | (unsigned long int) survey->channel_time_busy); | |
1020 | ||
1021 | if (survey->channel_time > iface->last_channel_time && | |
1022 | survey->channel_time > survey->channel_time_busy) { | |
1023 | dividend = survey->channel_time_busy - | |
1024 | iface->last_channel_time_busy; | |
1025 | divisor = survey->channel_time - iface->last_channel_time; | |
1026 | ||
1027 | iface->channel_utilization = dividend * 255 / divisor; | |
1028 | wpa_printf(MSG_DEBUG, "Channel Utilization: %d", | |
1029 | iface->channel_utilization); | |
1030 | } | |
1031 | iface->last_channel_time = survey->channel_time; | |
1032 | iface->last_channel_time_busy = survey->channel_time_busy; | |
1033 | } | |
1034 | ||
1035 | ||
96bc5086 TB |
1036 | void hostapd_event_get_survey(struct hostapd_iface *iface, |
1037 | struct survey_results *survey_results) | |
0185007c | 1038 | { |
0185007c MK |
1039 | struct freq_survey *survey, *tmp; |
1040 | struct hostapd_channel_data *chan; | |
1041 | ||
1042 | if (dl_list_empty(&survey_results->survey_list)) { | |
1043 | wpa_printf(MSG_DEBUG, "No survey data received"); | |
1044 | return; | |
1045 | } | |
1046 | ||
ec8f36af KP |
1047 | if (survey_results->freq_filter) { |
1048 | hostapd_single_channel_get_survey(iface, survey_results); | |
1049 | return; | |
1050 | } | |
1051 | ||
0185007c MK |
1052 | dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, |
1053 | struct freq_survey, list) { | |
1054 | chan = hostapd_get_mode_channel(iface, survey->freq); | |
1055 | if (!chan) | |
1056 | continue; | |
1057 | if (chan->flag & HOSTAPD_CHAN_DISABLED) | |
1058 | continue; | |
1059 | ||
1060 | dl_list_del(&survey->list); | |
1061 | dl_list_add_tail(&chan->survey_list, &survey->list); | |
1062 | ||
1063 | hostapd_update_nf(iface, chan, survey); | |
1064 | ||
1065 | iface->chans_surveyed++; | |
1066 | } | |
1067 | } | |
1068 | ||
1069 | ||
96bc5086 | 1070 | #ifdef HOSTAPD |
e76da505 JD |
1071 | #ifdef NEED_AP_MLME |
1072 | ||
5841958f MK |
1073 | static void hostapd_event_iface_unavailable(struct hostapd_data *hapd) |
1074 | { | |
1075 | wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped", | |
1076 | hapd->conf->iface); | |
1077 | ||
1078 | if (hapd->csa_in_progress) { | |
1079 | wpa_printf(MSG_INFO, "CSA failed (%s was stopped)", | |
1080 | hapd->conf->iface); | |
1081 | hostapd_switch_channel_fallback(hapd->iface, | |
1082 | &hapd->cs_freq_params); | |
1083 | } | |
1084 | } | |
1085 | ||
1086 | ||
e76da505 JD |
1087 | static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd, |
1088 | struct dfs_event *radar) | |
1089 | { | |
e76da505 | 1090 | wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq); |
dc036d9e | 1091 | hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled, |
58b73e3d JD |
1092 | radar->chan_offset, radar->chan_width, |
1093 | radar->cf1, radar->cf2); | |
e76da505 JD |
1094 | } |
1095 | ||
1096 | ||
1097 | static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd, | |
1098 | struct dfs_event *radar) | |
1099 | { | |
1100 | wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq); | |
dc036d9e | 1101 | hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled, |
58b73e3d JD |
1102 | radar->chan_offset, radar->chan_width, |
1103 | radar->cf1, radar->cf2); | |
e76da505 JD |
1104 | } |
1105 | ||
1106 | ||
1107 | static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd, | |
1108 | struct dfs_event *radar) | |
1109 | { | |
1110 | wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq); | |
dc036d9e | 1111 | hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled, |
58b73e3d JD |
1112 | radar->chan_offset, radar->chan_width, |
1113 | radar->cf1, radar->cf2); | |
e76da505 JD |
1114 | } |
1115 | ||
1116 | ||
1117 | static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd, | |
1118 | struct dfs_event *radar) | |
1119 | { | |
1120 | wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq); | |
dc036d9e | 1121 | hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled, |
58b73e3d JD |
1122 | radar->chan_offset, radar->chan_width, |
1123 | radar->cf1, radar->cf2); | |
e76da505 JD |
1124 | } |
1125 | ||
c13578c3 AK |
1126 | |
1127 | static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd, | |
1128 | struct dfs_event *radar) | |
1129 | { | |
1130 | wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq); | |
1131 | hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled, | |
1132 | radar->chan_offset, radar->chan_width, | |
1133 | radar->cf1, radar->cf2); | |
1134 | } | |
1135 | ||
e76da505 JD |
1136 | #endif /* NEED_AP_MLME */ |
1137 | ||
1138 | ||
9646a8ab | 1139 | void wpa_supplicant_event(void *ctx, enum wpa_event_type event, |
ad1e68e6 JM |
1140 | union wpa_event_data *data) |
1141 | { | |
1142 | struct hostapd_data *hapd = ctx; | |
74781dfc JM |
1143 | #ifndef CONFIG_NO_STDOUT_DEBUG |
1144 | int level = MSG_DEBUG; | |
ad1e68e6 | 1145 | |
34caf71a | 1146 | if (event == EVENT_RX_MGMT && data->rx_mgmt.frame && |
74781dfc JM |
1147 | data->rx_mgmt.frame_len >= 24) { |
1148 | const struct ieee80211_hdr *hdr; | |
1149 | u16 fc; | |
48b06c17 | 1150 | |
74781dfc JM |
1151 | hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame; |
1152 | fc = le_to_host16(hdr->frame_control); | |
1153 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && | |
1154 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) | |
1155 | level = MSG_EXCESSIVE; | |
cc2ada86 JM |
1156 | if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && |
1157 | WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) | |
1158 | level = MSG_EXCESSIVE; | |
74781dfc JM |
1159 | } |
1160 | ||
1161 | wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received", | |
e26cd1a1 | 1162 | event_to_string(event), event); |
74781dfc | 1163 | #endif /* CONFIG_NO_STDOUT_DEBUG */ |
e26cd1a1 | 1164 | |
ad1e68e6 JM |
1165 | switch (event) { |
1166 | case EVENT_MICHAEL_MIC_FAILURE: | |
1167 | michael_mic_failure(hapd, data->michael_mic_failure.src, 1); | |
1168 | break; | |
1169 | case EVENT_SCAN_RESULTS: | |
1170 | if (hapd->iface->scan_cb) | |
1171 | hapd->iface->scan_cb(hapd->iface); | |
1172 | break; | |
fcf0f87d | 1173 | case EVENT_WPS_BUTTON_PUSHED: |
d601247c | 1174 | hostapd_wps_button_pushed(hapd, NULL); |
fcf0f87d | 1175 | break; |
f8b1f695 JM |
1176 | #ifdef NEED_AP_MLME |
1177 | case EVENT_TX_STATUS: | |
1178 | switch (data->tx_status.type) { | |
1179 | case WLAN_FC_TYPE_MGMT: | |
1180 | hostapd_mgmt_tx_cb(hapd, data->tx_status.data, | |
1181 | data->tx_status.data_len, | |
1182 | data->tx_status.stype, | |
1183 | data->tx_status.ack); | |
1184 | break; | |
1185 | case WLAN_FC_TYPE_DATA: | |
1186 | hostapd_tx_status(hapd, data->tx_status.dst, | |
1187 | data->tx_status.data, | |
1188 | data->tx_status.data_len, | |
1189 | data->tx_status.ack); | |
1190 | break; | |
1191 | } | |
1192 | break; | |
dd840f79 JB |
1193 | case EVENT_EAPOL_TX_STATUS: |
1194 | hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst, | |
1195 | data->eapol_tx_status.data, | |
1196 | data->eapol_tx_status.data_len, | |
1197 | data->eapol_tx_status.ack); | |
1198 | break; | |
bcf24348 JB |
1199 | case EVENT_DRIVER_CLIENT_POLL_OK: |
1200 | hostapd_client_poll_ok(hapd, data->client_poll.addr); | |
1201 | break; | |
f8b1f695 | 1202 | case EVENT_RX_FROM_UNKNOWN: |
9b90955e JB |
1203 | hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid, |
1204 | data->rx_from_unknown.addr, | |
1205 | data->rx_from_unknown.wds); | |
f8b1f695 | 1206 | break; |
dbfb8e82 | 1207 | #endif /* NEED_AP_MLME */ |
f8b1f695 | 1208 | case EVENT_RX_MGMT: |
c0333c8d JM |
1209 | if (!data->rx_mgmt.frame) |
1210 | break; | |
dbfb8e82 JM |
1211 | #ifdef NEED_AP_MLME |
1212 | if (hostapd_mgmt_rx(hapd, &data->rx_mgmt) > 0) | |
1213 | break; | |
f8b1f695 | 1214 | #endif /* NEED_AP_MLME */ |
dbfb8e82 JM |
1215 | hostapd_action_rx(hapd, &data->rx_mgmt); |
1216 | break; | |
a0e0d3bb | 1217 | case EVENT_RX_PROBE_REQ: |
b211f3eb JM |
1218 | if (data->rx_probe_req.sa == NULL || |
1219 | data->rx_probe_req.ie == NULL) | |
1220 | break; | |
a0e0d3bb | 1221 | hostapd_probe_req_rx(hapd, data->rx_probe_req.sa, |
04a85e44 JM |
1222 | data->rx_probe_req.da, |
1223 | data->rx_probe_req.bssid, | |
a0e0d3bb | 1224 | data->rx_probe_req.ie, |
baf513d6 JB |
1225 | data->rx_probe_req.ie_len, |
1226 | data->rx_probe_req.ssi_signal); | |
a0e0d3bb | 1227 | break; |
a70a5d6d | 1228 | case EVENT_NEW_STA: |
a8e0505b JM |
1229 | hostapd_event_new_sta(hapd, data->new_sta.addr); |
1230 | break; | |
1231 | case EVENT_EAPOL_RX: | |
1232 | hostapd_event_eapol_rx(hapd, data->eapol_rx.src, | |
1233 | data->eapol_rx.data, | |
1234 | data->eapol_rx.data_len); | |
1235 | break; | |
1d041bec | 1236 | case EVENT_ASSOC: |
04a258e7 JM |
1237 | if (!data) |
1238 | return; | |
1d041bec JM |
1239 | hostapd_notif_assoc(hapd, data->assoc_info.addr, |
1240 | data->assoc_info.req_ies, | |
39b08b5f SP |
1241 | data->assoc_info.req_ies_len, |
1242 | data->assoc_info.reassoc); | |
1d041bec JM |
1243 | break; |
1244 | case EVENT_DISASSOC: | |
1245 | if (data) | |
1246 | hostapd_notif_disassoc(hapd, data->disassoc_info.addr); | |
1247 | break; | |
1248 | case EVENT_DEAUTH: | |
1249 | if (data) | |
1250 | hostapd_notif_disassoc(hapd, data->deauth_info.addr); | |
1251 | break; | |
0d7e5a3a JB |
1252 | case EVENT_STATION_LOW_ACK: |
1253 | if (!data) | |
1254 | break; | |
1255 | hostapd_event_sta_low_ack(hapd, data->low_ack.addr); | |
1256 | break; | |
88b32a99 SP |
1257 | case EVENT_AUTH: |
1258 | hostapd_notif_auth(hapd, &data->auth); | |
1259 | break; | |
1b487b8b TP |
1260 | case EVENT_CH_SWITCH: |
1261 | if (!data) | |
1262 | break; | |
1263 | hostapd_event_ch_switch(hapd, data->ch_switch.freq, | |
1264 | data->ch_switch.ht_enabled, | |
8d1fdde7 JD |
1265 | data->ch_switch.ch_offset, |
1266 | data->ch_switch.ch_width, | |
1267 | data->ch_switch.cf1, | |
1268 | data->ch_switch.cf2); | |
1b487b8b | 1269 | break; |
3140803b RM |
1270 | case EVENT_CONNECT_FAILED_REASON: |
1271 | if (!data) | |
1272 | break; | |
1273 | hostapd_event_connect_failed_reason( | |
1274 | hapd, data->connect_failed_reason.addr, | |
1275 | data->connect_failed_reason.code); | |
1276 | break; | |
0185007c | 1277 | case EVENT_SURVEY: |
96bc5086 | 1278 | hostapd_event_get_survey(hapd->iface, &data->survey_results); |
0185007c | 1279 | break; |
e76da505 | 1280 | #ifdef NEED_AP_MLME |
5841958f MK |
1281 | case EVENT_INTERFACE_UNAVAILABLE: |
1282 | hostapd_event_iface_unavailable(hapd); | |
1283 | break; | |
e76da505 JD |
1284 | case EVENT_DFS_RADAR_DETECTED: |
1285 | if (!data) | |
1286 | break; | |
1287 | hostapd_event_dfs_radar_detected(hapd, &data->dfs_event); | |
1288 | break; | |
1289 | case EVENT_DFS_CAC_FINISHED: | |
1290 | if (!data) | |
1291 | break; | |
1292 | hostapd_event_dfs_cac_finished(hapd, &data->dfs_event); | |
1293 | break; | |
1294 | case EVENT_DFS_CAC_ABORTED: | |
1295 | if (!data) | |
1296 | break; | |
1297 | hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event); | |
1298 | break; | |
1299 | case EVENT_DFS_NOP_FINISHED: | |
1300 | if (!data) | |
1301 | break; | |
1302 | hostapd_event_dfs_nop_finished(hapd, &data->dfs_event); | |
1303 | break; | |
1304 | case EVENT_CHANNEL_LIST_CHANGED: | |
1305 | /* channel list changed (regulatory?), update channel list */ | |
1306 | /* TODO: check this. hostapd_get_hw_features() initializes | |
1307 | * too much stuff. */ | |
1308 | /* hostapd_get_hw_features(hapd->iface); */ | |
795baf77 AS |
1309 | hostapd_channel_list_updated( |
1310 | hapd->iface, data->channel_list_changed.initiator); | |
e76da505 | 1311 | break; |
c13578c3 AK |
1312 | case EVENT_DFS_CAC_STARTED: |
1313 | if (!data) | |
1314 | break; | |
1315 | hostapd_event_dfs_cac_started(hapd, &data->dfs_event); | |
1316 | break; | |
e76da505 | 1317 | #endif /* NEED_AP_MLME */ |
ab93fdeb JM |
1318 | case EVENT_INTERFACE_ENABLED: |
1319 | wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED); | |
f33c8606 JM |
1320 | if (hapd->disabled && hapd->started) { |
1321 | hapd->disabled = 0; | |
1322 | /* | |
1323 | * Try to re-enable interface if the driver stopped it | |
1324 | * when the interface got disabled. | |
1325 | */ | |
34782730 | 1326 | wpa_auth_reconfig_group_keys(hapd->wpa_auth); |
f33c8606 JM |
1327 | hapd->reenable_beacon = 1; |
1328 | ieee802_11_set_beacon(hapd); | |
1329 | } | |
ab93fdeb JM |
1330 | break; |
1331 | case EVENT_INTERFACE_DISABLED: | |
c165cb40 | 1332 | hostapd_free_stas(hapd); |
ab93fdeb | 1333 | wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED); |
f33c8606 | 1334 | hapd->disabled = 1; |
ab93fdeb | 1335 | break; |
16689c7c PX |
1336 | #ifdef CONFIG_ACS |
1337 | case EVENT_ACS_CHANNEL_SELECTED: | |
857d9422 MM |
1338 | hostapd_acs_channel_selected(hapd, |
1339 | &data->acs_selected_channels); | |
16689c7c PX |
1340 | break; |
1341 | #endif /* CONFIG_ACS */ | |
ad1e68e6 JM |
1342 | default: |
1343 | wpa_printf(MSG_DEBUG, "Unknown event %d", event); | |
1344 | break; | |
1345 | } | |
1346 | } | |
f8b1f695 JM |
1347 | |
1348 | #endif /* HOSTAPD */ |