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1 /*
2  * hostapd - Driver operations
3  * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #include "utils/includes.h"
10 
11 #include "utils/common.h"
12 #include "common/ieee802_11_defs.h"
13 #include "common/ieee802_11_common.h"
14 #include "common/hw_features_common.h"
15 #include "wps/wps.h"
16 #include "p2p/p2p.h"
17 #include "hostapd.h"
18 #include "ieee802_11.h"
19 #include "sta_info.h"
20 #include "ap_config.h"
21 #include "p2p_hostapd.h"
22 #include "hs20.h"
23 #include "wpa_auth.h"
24 #include "ap_drv_ops.h"
25 
26 
hostapd_sta_flags_to_drv(u32 flags)27 u32 hostapd_sta_flags_to_drv(u32 flags)
28 {
29 	int res = 0;
30 	if (flags & WLAN_STA_AUTHORIZED)
31 		res |= WPA_STA_AUTHORIZED;
32 	if (flags & WLAN_STA_WMM)
33 		res |= WPA_STA_WMM;
34 	if (flags & WLAN_STA_SHORT_PREAMBLE)
35 		res |= WPA_STA_SHORT_PREAMBLE;
36 	if (flags & WLAN_STA_MFP)
37 		res |= WPA_STA_MFP;
38 	if (flags & WLAN_STA_AUTH)
39 		res |= WPA_STA_AUTHENTICATED;
40 	if (flags & WLAN_STA_ASSOC)
41 		res |= WPA_STA_ASSOCIATED;
42 	return res;
43 }
44 
45 
add_buf(struct wpabuf ** dst,const struct wpabuf * src)46 static int add_buf(struct wpabuf **dst, const struct wpabuf *src)
47 {
48 	if (!src)
49 		return 0;
50 	if (wpabuf_resize(dst, wpabuf_len(src)) != 0)
51 		return -1;
52 	wpabuf_put_buf(*dst, src);
53 	return 0;
54 }
55 
56 
add_buf_data(struct wpabuf ** dst,const u8 * data,size_t len)57 static int add_buf_data(struct wpabuf **dst, const u8 *data, size_t len)
58 {
59 	if (!data || !len)
60 		return 0;
61 	if (wpabuf_resize(dst, len) != 0)
62 		return -1;
63 	wpabuf_put_data(*dst, data, len);
64 	return 0;
65 }
66 
67 
hostapd_build_ap_extra_ies(struct hostapd_data * hapd,struct wpabuf ** beacon_ret,struct wpabuf ** proberesp_ret,struct wpabuf ** assocresp_ret)68 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
69 			       struct wpabuf **beacon_ret,
70 			       struct wpabuf **proberesp_ret,
71 			       struct wpabuf **assocresp_ret)
72 {
73 	struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
74 	u8 buf[200], *pos;
75 
76 	*beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
77 
78 	pos = buf;
79 	pos = hostapd_eid_time_adv(hapd, pos);
80 	if (add_buf_data(&beacon, buf, pos - buf) < 0)
81 		goto fail;
82 	pos = hostapd_eid_time_zone(hapd, pos);
83 	if (add_buf_data(&proberesp, buf, pos - buf) < 0)
84 		goto fail;
85 
86 	pos = buf;
87 	pos = hostapd_eid_ext_capab(hapd, pos);
88 	if (add_buf_data(&assocresp, buf, pos - buf) < 0)
89 		goto fail;
90 	pos = hostapd_eid_interworking(hapd, pos);
91 	pos = hostapd_eid_adv_proto(hapd, pos);
92 	pos = hostapd_eid_roaming_consortium(hapd, pos);
93 	if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
94 	    add_buf_data(&proberesp, buf, pos - buf) < 0)
95 		goto fail;
96 
97 #ifdef CONFIG_FST
98 	if (add_buf(&beacon, hapd->iface->fst_ies) < 0 ||
99 	    add_buf(&proberesp, hapd->iface->fst_ies) < 0 ||
100 	    add_buf(&assocresp, hapd->iface->fst_ies) < 0)
101 		goto fail;
102 #endif /* CONFIG_FST */
103 
104 #ifdef CONFIG_FILS
105 	pos = hostapd_eid_fils_indic(hapd, buf, 0);
106 	if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
107 	    add_buf_data(&proberesp, buf, pos - buf) < 0)
108 		goto fail;
109 #endif /* CONFIG_FILS */
110 
111 	pos = hostapd_eid_rsnxe(hapd, buf, sizeof(buf));
112 	if (add_buf_data(&assocresp, buf, pos - buf) < 0)
113 		goto fail;
114 
115 	if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 ||
116 	    add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0)
117 		goto fail;
118 
119 #ifdef CONFIG_P2P
120 	if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 ||
121 	    add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0)
122 		goto fail;
123 #endif /* CONFIG_P2P */
124 
125 #ifdef CONFIG_P2P_MANAGER
126 	if (hapd->conf->p2p & P2P_MANAGE) {
127 		if (wpabuf_resize(&beacon, 100) == 0) {
128 			u8 *start, *p;
129 			start = wpabuf_put(beacon, 0);
130 			p = hostapd_eid_p2p_manage(hapd, start);
131 			wpabuf_put(beacon, p - start);
132 		}
133 
134 		if (wpabuf_resize(&proberesp, 100) == 0) {
135 			u8 *start, *p;
136 			start = wpabuf_put(proberesp, 0);
137 			p = hostapd_eid_p2p_manage(hapd, start);
138 			wpabuf_put(proberesp, p - start);
139 		}
140 	}
141 #endif /* CONFIG_P2P_MANAGER */
142 
143 #ifdef CONFIG_WPS
144 	if (hapd->conf->wps_state) {
145 		struct wpabuf *a = wps_build_assoc_resp_ie();
146 		add_buf(&assocresp, a);
147 		wpabuf_free(a);
148 	}
149 #endif /* CONFIG_WPS */
150 
151 #ifdef CONFIG_P2P_MANAGER
152 	if (hapd->conf->p2p & P2P_MANAGE) {
153 		if (wpabuf_resize(&assocresp, 100) == 0) {
154 			u8 *start, *p;
155 			start = wpabuf_put(assocresp, 0);
156 			p = hostapd_eid_p2p_manage(hapd, start);
157 			wpabuf_put(assocresp, p - start);
158 		}
159 	}
160 #endif /* CONFIG_P2P_MANAGER */
161 
162 #ifdef CONFIG_WIFI_DISPLAY
163 	if (hapd->p2p_group) {
164 		struct wpabuf *a;
165 		a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
166 		add_buf(&assocresp, a);
167 		wpabuf_free(a);
168 	}
169 #endif /* CONFIG_WIFI_DISPLAY */
170 
171 #ifdef CONFIG_HS20
172 	pos = hostapd_eid_hs20_indication(hapd, buf);
173 	if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
174 	    add_buf_data(&proberesp, buf, pos - buf) < 0)
175 		goto fail;
176 
177 	pos = hostapd_eid_osen(hapd, buf);
178 	if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
179 	    add_buf_data(&proberesp, buf, pos - buf) < 0)
180 		goto fail;
181 #endif /* CONFIG_HS20 */
182 
183 #ifdef CONFIG_MBO
184 	if (hapd->conf->mbo_enabled ||
185 	    OCE_STA_CFON_ENABLED(hapd) || OCE_AP_ENABLED(hapd)) {
186 		pos = hostapd_eid_mbo(hapd, buf, sizeof(buf));
187 		if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
188 		    add_buf_data(&proberesp, buf, pos - buf) < 0 ||
189 		    add_buf_data(&assocresp, buf, pos - buf) < 0)
190 			goto fail;
191 	}
192 #endif /* CONFIG_MBO */
193 
194 #ifdef CONFIG_OWE
195 	pos = hostapd_eid_owe_trans(hapd, buf, sizeof(buf));
196 	if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
197 	    add_buf_data(&proberesp, buf, pos - buf) < 0)
198 		goto fail;
199 #endif /* CONFIG_OWE */
200 
201 	add_buf(&beacon, hapd->conf->vendor_elements);
202 	add_buf(&proberesp, hapd->conf->vendor_elements);
203 	add_buf(&assocresp, hapd->conf->assocresp_elements);
204 
205 	*beacon_ret = beacon;
206 	*proberesp_ret = proberesp;
207 	*assocresp_ret = assocresp;
208 
209 	return 0;
210 
211 fail:
212 	wpabuf_free(beacon);
213 	wpabuf_free(proberesp);
214 	wpabuf_free(assocresp);
215 	return -1;
216 }
217 
218 
hostapd_free_ap_extra_ies(struct hostapd_data * hapd,struct wpabuf * beacon,struct wpabuf * proberesp,struct wpabuf * assocresp)219 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
220 			       struct wpabuf *beacon,
221 			       struct wpabuf *proberesp,
222 			       struct wpabuf *assocresp)
223 {
224 	wpabuf_free(beacon);
225 	wpabuf_free(proberesp);
226 	wpabuf_free(assocresp);
227 }
228 
229 
hostapd_reset_ap_wps_ie(struct hostapd_data * hapd)230 int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
231 {
232 	if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
233 		return 0;
234 
235 	return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
236 }
237 
238 
hostapd_set_ap_wps_ie(struct hostapd_data * hapd)239 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
240 {
241 	struct wpabuf *beacon, *proberesp, *assocresp;
242 	int ret;
243 
244 	if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
245 		return 0;
246 
247 	if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
248 	    0)
249 		return -1;
250 
251 	ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
252 					  assocresp);
253 
254 	hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
255 
256 	return ret;
257 }
258 
259 
hostapd_set_authorized(struct hostapd_data * hapd,struct sta_info * sta,int authorized)260 int hostapd_set_authorized(struct hostapd_data *hapd,
261 			   struct sta_info *sta, int authorized)
262 {
263 	if (authorized) {
264 		return hostapd_sta_set_flags(hapd, sta->addr,
265 					     hostapd_sta_flags_to_drv(
266 						     sta->flags),
267 					     WPA_STA_AUTHORIZED, ~0);
268 	}
269 
270 	return hostapd_sta_set_flags(hapd, sta->addr,
271 				     hostapd_sta_flags_to_drv(sta->flags),
272 				     0, ~WPA_STA_AUTHORIZED);
273 }
274 
275 
hostapd_set_sta_flags(struct hostapd_data * hapd,struct sta_info * sta)276 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
277 {
278 	int set_flags, total_flags, flags_and, flags_or;
279 	total_flags = hostapd_sta_flags_to_drv(sta->flags);
280 	set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
281 	if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
282 	     sta->auth_alg == WLAN_AUTH_FT) &&
283 	    sta->flags & WLAN_STA_AUTHORIZED)
284 		set_flags |= WPA_STA_AUTHORIZED;
285 	flags_or = total_flags & set_flags;
286 	flags_and = total_flags | ~set_flags;
287 	return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
288 				     flags_or, flags_and);
289 }
290 
291 
hostapd_set_drv_ieee8021x(struct hostapd_data * hapd,const char * ifname,int enabled)292 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
293 			      int enabled)
294 {
295 	struct wpa_bss_params params;
296 	os_memset(&params, 0, sizeof(params));
297 	params.ifname = ifname;
298 	params.enabled = enabled;
299 	if (enabled) {
300 		params.wpa = hapd->conf->wpa;
301 		params.ieee802_1x = hapd->conf->ieee802_1x;
302 		params.wpa_group = hapd->conf->wpa_group;
303 		if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
304 		    (WPA_PROTO_WPA | WPA_PROTO_RSN))
305 			params.wpa_pairwise = hapd->conf->wpa_pairwise |
306 				hapd->conf->rsn_pairwise;
307 		else if (hapd->conf->wpa & WPA_PROTO_RSN)
308 			params.wpa_pairwise = hapd->conf->rsn_pairwise;
309 		else if (hapd->conf->wpa & WPA_PROTO_WPA)
310 			params.wpa_pairwise = hapd->conf->wpa_pairwise;
311 		params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
312 		params.rsn_preauth = hapd->conf->rsn_preauth;
313 		params.ieee80211w = hapd->conf->ieee80211w;
314 	}
315 	return hostapd_set_ieee8021x(hapd, &params);
316 }
317 
318 
hostapd_vlan_if_add(struct hostapd_data * hapd,const char * ifname)319 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
320 {
321 	char force_ifname[IFNAMSIZ];
322 	u8 if_addr[ETH_ALEN];
323 	return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
324 			      NULL, NULL, force_ifname, if_addr, NULL, 0);
325 }
326 
327 
hostapd_vlan_if_remove(struct hostapd_data * hapd,const char * ifname)328 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
329 {
330 	return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
331 }
332 
333 
hostapd_set_wds_sta(struct hostapd_data * hapd,char * ifname_wds,const u8 * addr,int aid,int val)334 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
335 			const u8 *addr, int aid, int val)
336 {
337 	const char *bridge = NULL;
338 
339 	if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
340 		return -1;
341 	if (hapd->conf->wds_bridge[0])
342 		bridge = hapd->conf->wds_bridge;
343 	else if (hapd->conf->bridge[0])
344 		bridge = hapd->conf->bridge;
345 	return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
346 					 bridge, ifname_wds);
347 }
348 
349 
hostapd_add_sta_node(struct hostapd_data * hapd,const u8 * addr,u16 auth_alg)350 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
351 			 u16 auth_alg)
352 {
353 	if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
354 		return -EOPNOTSUPP;
355 	return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
356 }
357 
358 
hostapd_sta_auth(struct hostapd_data * hapd,const u8 * addr,u16 seq,u16 status,const u8 * ie,size_t len)359 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
360 		     u16 seq, u16 status, const u8 *ie, size_t len)
361 {
362 	struct wpa_driver_sta_auth_params params;
363 #ifdef CONFIG_FILS
364 	struct sta_info *sta;
365 #endif /* CONFIG_FILS */
366 
367 	if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
368 		return 0;
369 
370 	os_memset(&params, 0, sizeof(params));
371 
372 #ifdef CONFIG_FILS
373 	sta = ap_get_sta(hapd, addr);
374 	if (!sta) {
375 		wpa_printf(MSG_DEBUG, "Station " MACSTR
376 			   " not found for sta_auth processing",
377 			   MAC2STR(addr));
378 		return 0;
379 	}
380 
381 	if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
382 	    sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
383 	    sta->auth_alg == WLAN_AUTH_FILS_PK) {
384 		params.fils_auth = 1;
385 		wpa_auth_get_fils_aead_params(sta->wpa_sm, params.fils_anonce,
386 					      params.fils_snonce,
387 					      params.fils_kek,
388 					      &params.fils_kek_len);
389 	}
390 #endif /* CONFIG_FILS */
391 
392 	params.own_addr = hapd->own_addr;
393 	params.addr = addr;
394 	params.seq = seq;
395 	params.status = status;
396 	params.ie = ie;
397 	params.len = len;
398 
399 	return hapd->driver->sta_auth(hapd->drv_priv, &params);
400 }
401 
402 
hostapd_sta_assoc(struct hostapd_data * hapd,const u8 * addr,int reassoc,u16 status,const u8 * ie,size_t len)403 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
404 		      int reassoc, u16 status, const u8 *ie, size_t len)
405 {
406 	if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
407 		return 0;
408 	return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
409 				       reassoc, status, ie, len);
410 }
411 
412 
hostapd_sta_add(struct hostapd_data * hapd,const u8 * addr,u16 aid,u16 capability,const u8 * supp_rates,size_t supp_rates_len,u16 listen_interval,const struct ieee80211_ht_capabilities * ht_capab,const struct ieee80211_vht_capabilities * vht_capab,const struct ieee80211_he_capabilities * he_capab,size_t he_capab_len,const struct ieee80211_he_6ghz_band_cap * he_6ghz_capab,u32 flags,u8 qosinfo,u8 vht_opmode,int supp_p2p_ps,int set)413 int hostapd_sta_add(struct hostapd_data *hapd,
414 		    const u8 *addr, u16 aid, u16 capability,
415 		    const u8 *supp_rates, size_t supp_rates_len,
416 		    u16 listen_interval,
417 		    const struct ieee80211_ht_capabilities *ht_capab,
418 		    const struct ieee80211_vht_capabilities *vht_capab,
419 		    const struct ieee80211_he_capabilities *he_capab,
420 		    size_t he_capab_len,
421 		    const struct ieee80211_he_6ghz_band_cap *he_6ghz_capab,
422 		    u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
423 		    int set)
424 {
425 	struct hostapd_sta_add_params params;
426 
427 	if (hapd->driver == NULL)
428 		return 0;
429 	if (hapd->driver->sta_add == NULL)
430 		return 0;
431 
432 	os_memset(&params, 0, sizeof(params));
433 	params.addr = addr;
434 	params.aid = aid;
435 	params.capability = capability;
436 	params.supp_rates = supp_rates;
437 	params.supp_rates_len = supp_rates_len;
438 	params.listen_interval = listen_interval;
439 	params.ht_capabilities = ht_capab;
440 	params.vht_capabilities = vht_capab;
441 	params.he_capab = he_capab;
442 	params.he_capab_len = he_capab_len;
443 	params.he_6ghz_capab = he_6ghz_capab;
444 	params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
445 	params.vht_opmode = vht_opmode;
446 	params.flags = hostapd_sta_flags_to_drv(flags);
447 	params.qosinfo = qosinfo;
448 	params.support_p2p_ps = supp_p2p_ps;
449 	params.set = set;
450 	return hapd->driver->sta_add(hapd->drv_priv, &params);
451 }
452 
453 
hostapd_add_tspec(struct hostapd_data * hapd,const u8 * addr,u8 * tspec_ie,size_t tspec_ielen)454 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
455 		      u8 *tspec_ie, size_t tspec_ielen)
456 {
457 	if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
458 		return 0;
459 	return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
460 				       tspec_ielen);
461 }
462 
463 
hostapd_set_privacy(struct hostapd_data * hapd,int enabled)464 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
465 {
466 	if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
467 		return 0;
468 	return hapd->driver->set_privacy(hapd->drv_priv, enabled);
469 }
470 
471 
hostapd_set_generic_elem(struct hostapd_data * hapd,const u8 * elem,size_t elem_len)472 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
473 			     size_t elem_len)
474 {
475 	if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
476 		return 0;
477 	return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
478 }
479 
480 
hostapd_get_ssid(struct hostapd_data * hapd,u8 * buf,size_t len)481 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
482 {
483 	if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
484 		return 0;
485 	return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
486 }
487 
488 
hostapd_set_ssid(struct hostapd_data * hapd,const u8 * buf,size_t len)489 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
490 {
491 	if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
492 		return 0;
493 	return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
494 }
495 
496 
hostapd_if_add(struct hostapd_data * hapd,enum wpa_driver_if_type type,const char * ifname,const u8 * addr,void * bss_ctx,void ** drv_priv,char * force_ifname,u8 * if_addr,const char * bridge,int use_existing)497 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
498 		   const char *ifname, const u8 *addr, void *bss_ctx,
499 		   void **drv_priv, char *force_ifname, u8 *if_addr,
500 		   const char *bridge, int use_existing)
501 {
502 	if (hapd->driver == NULL || hapd->driver->if_add == NULL)
503 		return -1;
504 	return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
505 				    bss_ctx, drv_priv, force_ifname, if_addr,
506 				    bridge, use_existing, 1);
507 }
508 
509 
hostapd_if_remove(struct hostapd_data * hapd,enum wpa_driver_if_type type,const char * ifname)510 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
511 		      const char *ifname)
512 {
513 	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
514 	    hapd->driver->if_remove == NULL)
515 		return -1;
516 	return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
517 }
518 
519 
hostapd_set_ieee8021x(struct hostapd_data * hapd,struct wpa_bss_params * params)520 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
521 			  struct wpa_bss_params *params)
522 {
523 	if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
524 		return 0;
525 	return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
526 }
527 
528 
hostapd_get_seqnum(const char * ifname,struct hostapd_data * hapd,const u8 * addr,int idx,u8 * seq)529 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
530 		       const u8 *addr, int idx, u8 *seq)
531 {
532 	if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
533 		return 0;
534 	return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
535 					seq);
536 }
537 
538 
hostapd_flush(struct hostapd_data * hapd)539 int hostapd_flush(struct hostapd_data *hapd)
540 {
541 	if (hapd->driver == NULL || hapd->driver->flush == NULL)
542 		return 0;
543 	return hapd->driver->flush(hapd->drv_priv);
544 }
545 
546 
hostapd_set_freq(struct hostapd_data * hapd,enum hostapd_hw_mode mode,int freq,int channel,int edmg,u8 edmg_channel,int ht_enabled,int vht_enabled,int he_enabled,int sec_channel_offset,int oper_chwidth,int center_segment0,int center_segment1)547 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
548 		     int freq, int channel, int edmg, u8 edmg_channel,
549 		     int ht_enabled, int vht_enabled,
550 		     int he_enabled,
551 		     int sec_channel_offset, int oper_chwidth,
552 		     int center_segment0, int center_segment1)
553 {
554 	struct hostapd_freq_params data;
555 	struct hostapd_hw_modes *cmode = hapd->iface->current_mode;
556 
557 	if (hostapd_set_freq_params(&data, mode, freq, channel, edmg,
558 				    edmg_channel, ht_enabled,
559 				    vht_enabled, he_enabled, sec_channel_offset,
560 				    oper_chwidth,
561 				    center_segment0, center_segment1,
562 				    cmode ? cmode->vht_capab : 0,
563 				    cmode ?
564 				    &cmode->he_capab[IEEE80211_MODE_AP] : NULL))
565 		return -1;
566 
567 	if (hapd->driver == NULL)
568 		return 0;
569 	if (hapd->driver->set_freq == NULL)
570 		return 0;
571 	return hapd->driver->set_freq(hapd->drv_priv, &data);
572 }
573 
hostapd_set_rts(struct hostapd_data * hapd,int rts)574 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
575 {
576 	if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
577 		return 0;
578 	return hapd->driver->set_rts(hapd->drv_priv, rts);
579 }
580 
581 
hostapd_set_frag(struct hostapd_data * hapd,int frag)582 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
583 {
584 	if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
585 		return 0;
586 	return hapd->driver->set_frag(hapd->drv_priv, frag);
587 }
588 
589 
hostapd_sta_set_flags(struct hostapd_data * hapd,u8 * addr,int total_flags,int flags_or,int flags_and)590 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
591 			  int total_flags, int flags_or, int flags_and)
592 {
593 	if (!hapd->driver || !hapd->drv_priv || !hapd->driver->sta_set_flags)
594 		return 0;
595 	return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
596 					   flags_or, flags_and);
597 }
598 
599 
hostapd_sta_set_airtime_weight(struct hostapd_data * hapd,const u8 * addr,unsigned int weight)600 int hostapd_sta_set_airtime_weight(struct hostapd_data *hapd, const u8 *addr,
601 				   unsigned int weight)
602 {
603 	if (!hapd->driver || !hapd->driver->sta_set_airtime_weight)
604 		return 0;
605 	return hapd->driver->sta_set_airtime_weight(hapd->drv_priv, addr,
606 						    weight);
607 }
608 
609 
hostapd_set_country(struct hostapd_data * hapd,const char * country)610 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
611 {
612 	if (hapd->driver == NULL ||
613 	    hapd->driver->set_country == NULL)
614 		return 0;
615 	return hapd->driver->set_country(hapd->drv_priv, country);
616 }
617 
618 
hostapd_set_tx_queue_params(struct hostapd_data * hapd,int queue,int aifs,int cw_min,int cw_max,int burst_time)619 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
620 				int cw_min, int cw_max, int burst_time)
621 {
622 	if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
623 		return 0;
624 	return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
625 						 cw_min, cw_max, burst_time);
626 }
627 
628 
629 struct hostapd_hw_modes *
hostapd_get_hw_feature_data(struct hostapd_data * hapd,u16 * num_modes,u16 * flags,u8 * dfs_domain)630 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
631 			    u16 *flags, u8 *dfs_domain)
632 {
633 	if (hapd->driver == NULL ||
634 	    hapd->driver->get_hw_feature_data == NULL)
635 		return NULL;
636 	return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
637 						 flags, dfs_domain);
638 }
639 
640 
hostapd_driver_commit(struct hostapd_data * hapd)641 int hostapd_driver_commit(struct hostapd_data *hapd)
642 {
643 	if (hapd->driver == NULL || hapd->driver->commit == NULL)
644 		return 0;
645 	return hapd->driver->commit(hapd->drv_priv);
646 }
647 
648 
hostapd_drv_none(struct hostapd_data * hapd)649 int hostapd_drv_none(struct hostapd_data *hapd)
650 {
651 	return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
652 }
653 
654 
hostapd_drv_nl80211(struct hostapd_data * hapd)655 bool hostapd_drv_nl80211(struct hostapd_data *hapd)
656 {
657 	return hapd->driver && os_strcmp(hapd->driver->name, "nl80211") == 0;
658 }
659 
660 
hostapd_driver_scan(struct hostapd_data * hapd,struct wpa_driver_scan_params * params)661 int hostapd_driver_scan(struct hostapd_data *hapd,
662 			struct wpa_driver_scan_params *params)
663 {
664 	if (hapd->driver && hapd->driver->scan2)
665 		return hapd->driver->scan2(hapd->drv_priv, params);
666 	return -1;
667 }
668 
669 
hostapd_driver_get_scan_results(struct hostapd_data * hapd)670 struct wpa_scan_results * hostapd_driver_get_scan_results(
671 	struct hostapd_data *hapd)
672 {
673 	if (hapd->driver && hapd->driver->get_scan_results2)
674 		return hapd->driver->get_scan_results2(hapd->drv_priv);
675 	return NULL;
676 }
677 
678 
hostapd_driver_set_noa(struct hostapd_data * hapd,u8 count,int start,int duration)679 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
680 			   int duration)
681 {
682 	if (hapd->driver && hapd->driver->set_noa)
683 		return hapd->driver->set_noa(hapd->drv_priv, count, start,
684 					     duration);
685 	return -1;
686 }
687 
688 
hostapd_drv_set_key(const char * ifname,struct hostapd_data * hapd,enum wpa_alg alg,const u8 * addr,int key_idx,int vlan_id,int set_tx,const u8 * seq,size_t seq_len,const u8 * key,size_t key_len,enum key_flag key_flag)689 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
690 			enum wpa_alg alg, const u8 *addr,
691 			int key_idx, int vlan_id, int set_tx,
692 			const u8 *seq, size_t seq_len,
693 			const u8 *key, size_t key_len, enum key_flag key_flag)
694 {
695 	struct wpa_driver_set_key_params params;
696 
697 	if (hapd->driver == NULL || hapd->driver->set_key == NULL)
698 		return 0;
699 
700 	os_memset(&params, 0, sizeof(params));
701 	params.ifname = ifname;
702 	params.alg = alg;
703 	params.addr = addr;
704 	params.key_idx = key_idx;
705 	params.set_tx = set_tx;
706 	params.seq = seq;
707 	params.seq_len = seq_len;
708 	params.key = key;
709 	params.key_len = key_len;
710 	params.vlan_id = vlan_id;
711 	params.key_flag = key_flag;
712 
713 	return hapd->driver->set_key(hapd->drv_priv, &params);
714 }
715 
716 
hostapd_drv_send_mlme(struct hostapd_data * hapd,const void * msg,size_t len,int noack,const u16 * csa_offs,size_t csa_offs_len,int no_encrypt)717 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
718 			  const void *msg, size_t len, int noack,
719 			  const u16 *csa_offs, size_t csa_offs_len,
720 			  int no_encrypt)
721 {
722 	if (!hapd->driver || !hapd->driver->send_mlme || !hapd->drv_priv)
723 		return 0;
724 	return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
725 				       csa_offs, csa_offs_len, no_encrypt, 0);
726 }
727 
728 
hostapd_drv_sta_deauth(struct hostapd_data * hapd,const u8 * addr,int reason)729 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
730 			   const u8 *addr, int reason)
731 {
732 	if (!hapd->driver || !hapd->driver->sta_deauth || !hapd->drv_priv)
733 		return 0;
734 	return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
735 					reason);
736 }
737 
738 
hostapd_drv_sta_disassoc(struct hostapd_data * hapd,const u8 * addr,int reason)739 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
740 			     const u8 *addr, int reason)
741 {
742 	if (!hapd->driver || !hapd->driver->sta_disassoc || !hapd->drv_priv)
743 		return 0;
744 	return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
745 					  reason);
746 }
747 
748 
hostapd_drv_wnm_oper(struct hostapd_data * hapd,enum wnm_oper oper,const u8 * peer,u8 * buf,u16 * buf_len)749 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
750 			 const u8 *peer, u8 *buf, u16 *buf_len)
751 {
752 	if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
753 		return -1;
754 	return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
755 				      buf_len);
756 }
757 
758 
hostapd_drv_send_action(struct hostapd_data * hapd,unsigned int freq,unsigned int wait,const u8 * dst,const u8 * data,size_t len)759 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
760 			    unsigned int wait, const u8 *dst, const u8 *data,
761 			    size_t len)
762 {
763 	const u8 *bssid;
764 	const u8 wildcard_bssid[ETH_ALEN] = {
765 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff
766 	};
767 
768 	if (!hapd->driver || !hapd->driver->send_action || !hapd->drv_priv)
769 		return 0;
770 	bssid = hapd->own_addr;
771 	if (!is_multicast_ether_addr(dst) &&
772 	    len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
773 		struct sta_info *sta;
774 
775 		/*
776 		 * Public Action frames to a STA that is not a member of the BSS
777 		 * shall use wildcard BSSID value.
778 		 */
779 		sta = ap_get_sta(hapd, dst);
780 		if (!sta || !(sta->flags & WLAN_STA_ASSOC))
781 			bssid = wildcard_bssid;
782 	} else if (is_broadcast_ether_addr(dst) &&
783 		   len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
784 		/*
785 		 * The only current use case of Public Action frames with
786 		 * broadcast destination address is DPP PKEX. That case is
787 		 * directing all devices and not just the STAs within the BSS,
788 		 * so have to use the wildcard BSSID value.
789 		 */
790 		bssid = wildcard_bssid;
791 	}
792 	return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
793 					 hapd->own_addr, bssid, data, len, 0);
794 }
795 
796 
hostapd_drv_send_action_addr3_ap(struct hostapd_data * hapd,unsigned int freq,unsigned int wait,const u8 * dst,const u8 * data,size_t len)797 int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
798 				     unsigned int freq,
799 				     unsigned int wait, const u8 *dst,
800 				     const u8 *data, size_t len)
801 {
802 	if (hapd->driver == NULL || hapd->driver->send_action == NULL)
803 		return 0;
804 	return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
805 					 hapd->own_addr, hapd->own_addr, data,
806 					 len, 0);
807 }
808 
809 
hostapd_start_dfs_cac(struct hostapd_iface * iface,enum hostapd_hw_mode mode,int freq,int channel,int ht_enabled,int vht_enabled,int he_enabled,int sec_channel_offset,int oper_chwidth,int center_segment0,int center_segment1)810 int hostapd_start_dfs_cac(struct hostapd_iface *iface,
811 			  enum hostapd_hw_mode mode, int freq,
812 			  int channel, int ht_enabled, int vht_enabled,
813 			  int he_enabled,
814 			  int sec_channel_offset, int oper_chwidth,
815 			  int center_segment0, int center_segment1)
816 {
817 	struct hostapd_data *hapd = iface->bss[0];
818 	struct hostapd_freq_params data;
819 	int res;
820 	struct hostapd_hw_modes *cmode = iface->current_mode;
821 
822 	if (!hapd->driver || !hapd->driver->start_dfs_cac || !cmode)
823 		return 0;
824 
825 	if (!iface->conf->ieee80211h) {
826 		wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
827 			   "is not enabled");
828 		return -1;
829 	}
830 
831 	if (hostapd_set_freq_params(&data, mode, freq, channel, 0, 0,
832 				    ht_enabled,
833 				    vht_enabled, he_enabled, sec_channel_offset,
834 				    oper_chwidth, center_segment0,
835 				    center_segment1,
836 				    cmode->vht_capab,
837 				    &cmode->he_capab[IEEE80211_MODE_AP])) {
838 		wpa_printf(MSG_ERROR, "Can't set freq params");
839 		return -1;
840 	}
841 
842 	res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
843 	if (!res) {
844 		iface->cac_started = 1;
845 		os_get_reltime(&iface->dfs_cac_start);
846 	}
847 
848 	return res;
849 }
850 
851 
hostapd_drv_set_qos_map(struct hostapd_data * hapd,const u8 * qos_map_set,u8 qos_map_set_len)852 int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
853 			    const u8 *qos_map_set, u8 qos_map_set_len)
854 {
855 	if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv)
856 		return 0;
857 	return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
858 					 qos_map_set_len);
859 }
860 
861 
hostapd_get_hw_mode_any_channels(struct hostapd_data * hapd,struct hostapd_hw_modes * mode,int acs_ch_list_all,int ** freq_list)862 static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
863 					     struct hostapd_hw_modes *mode,
864 					     int acs_ch_list_all,
865 					     int **freq_list)
866 {
867 	int i;
868 
869 	for (i = 0; i < mode->num_channels; i++) {
870 		struct hostapd_channel_data *chan = &mode->channels[i];
871 
872 		if (!acs_ch_list_all &&
873 		    (hapd->iface->conf->acs_freq_list.num &&
874 		     !freq_range_list_includes(
875 			     &hapd->iface->conf->acs_freq_list,
876 			     chan->freq)))
877 			continue;
878 		if (!acs_ch_list_all &&
879 		    (!hapd->iface->conf->acs_freq_list_present &&
880 		     hapd->iface->conf->acs_ch_list.num &&
881 		     !freq_range_list_includes(
882 			     &hapd->iface->conf->acs_ch_list,
883 			     chan->chan)))
884 			continue;
885 		if (is_6ghz_freq(chan->freq) &&
886 		    hapd->iface->conf->acs_exclude_6ghz_non_psc &&
887 		    !is_6ghz_psc_frequency(chan->freq))
888 			continue;
889 		if (!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
890 		    !(hapd->iface->conf->acs_exclude_dfs &&
891 		      (chan->flag & HOSTAPD_CHAN_RADAR)))
892 			int_array_add_unique(freq_list, chan->freq);
893 	}
894 }
895 
896 
hostapd_get_ext_capa(struct hostapd_iface * iface)897 void hostapd_get_ext_capa(struct hostapd_iface *iface)
898 {
899 	struct hostapd_data *hapd = iface->bss[0];
900 
901 	if (!hapd->driver || !hapd->driver->get_ext_capab)
902 		return;
903 
904 	hapd->driver->get_ext_capab(hapd->drv_priv, WPA_IF_AP_BSS,
905 				    &iface->extended_capa,
906 				    &iface->extended_capa_mask,
907 				    &iface->extended_capa_len);
908 }
909 
910 
hostapd_drv_do_acs(struct hostapd_data * hapd)911 int hostapd_drv_do_acs(struct hostapd_data *hapd)
912 {
913 	struct drv_acs_params params;
914 	int ret, i, acs_ch_list_all = 0;
915 	struct hostapd_hw_modes *mode;
916 	int *freq_list = NULL;
917 	enum hostapd_hw_mode selected_mode;
918 
919 	if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
920 		return 0;
921 
922 	os_memset(&params, 0, sizeof(params));
923 	params.hw_mode = hapd->iface->conf->hw_mode;
924 
925 	/*
926 	 * If no chanlist config parameter is provided, include all enabled
927 	 * channels of the selected hw_mode.
928 	 */
929 	if (hapd->iface->conf->acs_freq_list_present)
930 		acs_ch_list_all = !hapd->iface->conf->acs_freq_list.num;
931 	else
932 		acs_ch_list_all = !hapd->iface->conf->acs_ch_list.num;
933 
934 	if (hapd->iface->current_mode)
935 		selected_mode = hapd->iface->current_mode->mode;
936 	else
937 		selected_mode = HOSTAPD_MODE_IEEE80211ANY;
938 
939 	for (i = 0; i < hapd->iface->num_hw_features; i++) {
940 		mode = &hapd->iface->hw_features[i];
941 		if (selected_mode != HOSTAPD_MODE_IEEE80211ANY &&
942 		    selected_mode != mode->mode)
943 			continue;
944 		hostapd_get_hw_mode_any_channels(hapd, mode, acs_ch_list_all,
945 						 &freq_list);
946 	}
947 
948 	params.freq_list = freq_list;
949 	params.edmg_enabled = hapd->iface->conf->enable_edmg;
950 
951 	params.ht_enabled = !!(hapd->iface->conf->ieee80211n);
952 	params.ht40_enabled = !!(hapd->iface->conf->ht_capab &
953 				 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET);
954 	params.vht_enabled = !!(hapd->iface->conf->ieee80211ac);
955 	params.ch_width = 20;
956 	if (hapd->iface->conf->ieee80211n && params.ht40_enabled)
957 		params.ch_width = 40;
958 
959 	/* Note: VHT20 is defined by combination of ht_capab & oper_chwidth
960 	 */
961 	if ((hapd->iface->conf->ieee80211ax ||
962 	     hapd->iface->conf->ieee80211ac) &&
963 	    params.ht40_enabled) {
964 		u8 oper_chwidth = hostapd_get_oper_chwidth(hapd->iface->conf);
965 
966 		if (oper_chwidth == CHANWIDTH_80MHZ)
967 			params.ch_width = 80;
968 		else if (oper_chwidth == CHANWIDTH_160MHZ ||
969 			 oper_chwidth == CHANWIDTH_80P80MHZ)
970 			params.ch_width = 160;
971 	}
972 
973 	if (hapd->iface->conf->op_class)
974 		params.ch_width = op_class_to_bandwidth(
975 			hapd->iface->conf->op_class);
976 	ret = hapd->driver->do_acs(hapd->drv_priv, &params);
977 	os_free(freq_list);
978 
979 	return ret;
980 }
981 
982 
hostapd_drv_update_dh_ie(struct hostapd_data * hapd,const u8 * peer,u16 reason_code,const u8 * ie,size_t ielen)983 int hostapd_drv_update_dh_ie(struct hostapd_data *hapd, const u8 *peer,
984 			     u16 reason_code, const u8 *ie, size_t ielen)
985 {
986 	if (!hapd->driver || !hapd->driver->update_dh_ie || !hapd->drv_priv)
987 		return 0;
988 	return hapd->driver->update_dh_ie(hapd->drv_priv, peer, reason_code,
989 					  ie, ielen);
990 }
991 
992 
hostapd_drv_dpp_listen(struct hostapd_data * hapd,bool enable)993 int hostapd_drv_dpp_listen(struct hostapd_data *hapd, bool enable)
994 {
995 	if (!hapd->driver || !hapd->driver->dpp_listen || !hapd->drv_priv)
996 		return 0;
997 	return hapd->driver->dpp_listen(hapd->drv_priv, enable);
998 }
999