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