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