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/hw_features_common.h"
14 #include "wps/wps.h"
15 #include "p2p/p2p.h"
16 #include "hostapd.h"
17 #include "ieee802_11.h"
18 #include "sta_info.h"
19 #include "ap_config.h"
20 #include "p2p_hostapd.h"
21 #include "hs20.h"
22 #include "wpa_auth.h"
23 #include "ap_drv_ops.h"
24
25
hostapd_sta_flags_to_drv(u32 flags)26 u32 hostapd_sta_flags_to_drv(u32 flags)
27 {
28 int res = 0;
29 if (flags & WLAN_STA_AUTHORIZED)
30 res |= WPA_STA_AUTHORIZED;
31 if (flags & WLAN_STA_WMM)
32 res |= WPA_STA_WMM;
33 if (flags & WLAN_STA_SHORT_PREAMBLE)
34 res |= WPA_STA_SHORT_PREAMBLE;
35 if (flags & WLAN_STA_MFP)
36 res |= WPA_STA_MFP;
37 if (flags & WLAN_STA_AUTH)
38 res |= WPA_STA_AUTHENTICATED;
39 if (flags & WLAN_STA_ASSOC)
40 res |= WPA_STA_ASSOCIATED;
41 return res;
42 }
43
44
add_buf(struct wpabuf ** dst,const struct wpabuf * src)45 static int add_buf(struct wpabuf **dst, const struct wpabuf *src)
46 {
47 if (!src)
48 return 0;
49 if (wpabuf_resize(dst, wpabuf_len(src)) != 0)
50 return -1;
51 wpabuf_put_buf(*dst, src);
52 return 0;
53 }
54
55
add_buf_data(struct wpabuf ** dst,const u8 * data,size_t len)56 static int add_buf_data(struct wpabuf **dst, const u8 *data, size_t len)
57 {
58 if (!data || !len)
59 return 0;
60 if (wpabuf_resize(dst, len) != 0)
61 return -1;
62 wpabuf_put_data(*dst, data, len);
63 return 0;
64 }
65
66
hostapd_build_ap_extra_ies(struct hostapd_data * hapd,struct wpabuf ** beacon_ret,struct wpabuf ** proberesp_ret,struct wpabuf ** assocresp_ret)67 int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
68 struct wpabuf **beacon_ret,
69 struct wpabuf **proberesp_ret,
70 struct wpabuf **assocresp_ret)
71 {
72 struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
73 u8 buf[200], *pos;
74
75 *beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
76
77 pos = buf;
78 pos = hostapd_eid_time_adv(hapd, pos);
79 if (add_buf_data(&beacon, buf, pos - buf) < 0)
80 goto fail;
81 pos = hostapd_eid_time_zone(hapd, pos);
82 if (add_buf_data(&proberesp, buf, pos - buf) < 0)
83 goto fail;
84
85 pos = buf;
86 pos = hostapd_eid_ext_capab(hapd, pos);
87 if (add_buf_data(&assocresp, buf, pos - buf) < 0)
88 goto fail;
89 pos = hostapd_eid_interworking(hapd, pos);
90 pos = hostapd_eid_adv_proto(hapd, pos);
91 pos = hostapd_eid_roaming_consortium(hapd, pos);
92 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
93 add_buf_data(&proberesp, buf, pos - buf) < 0)
94 goto fail;
95
96 #ifdef CONFIG_FST
97 if (add_buf(&beacon, hapd->iface->fst_ies) < 0 ||
98 add_buf(&proberesp, hapd->iface->fst_ies) < 0 ||
99 add_buf(&assocresp, hapd->iface->fst_ies) < 0)
100 goto fail;
101 #endif /* CONFIG_FST */
102
103 #ifdef CONFIG_FILS
104 pos = hostapd_eid_fils_indic(hapd, buf, 0);
105 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
106 add_buf_data(&proberesp, buf, pos - buf) < 0)
107 goto fail;
108 #endif /* CONFIG_FILS */
109
110 if (add_buf(&beacon, hapd->wps_beacon_ie) < 0 ||
111 add_buf(&proberesp, hapd->wps_probe_resp_ie) < 0)
112 goto fail;
113
114 #ifdef CONFIG_P2P
115 if (add_buf(&beacon, hapd->p2p_beacon_ie) < 0 ||
116 add_buf(&proberesp, hapd->p2p_probe_resp_ie) < 0)
117 goto fail;
118 #endif /* CONFIG_P2P */
119
120 #ifdef CONFIG_P2P_MANAGER
121 if (hapd->conf->p2p & P2P_MANAGE) {
122 if (wpabuf_resize(&beacon, 100) == 0) {
123 u8 *start, *p;
124 start = wpabuf_put(beacon, 0);
125 p = hostapd_eid_p2p_manage(hapd, start);
126 wpabuf_put(beacon, p - start);
127 }
128
129 if (wpabuf_resize(&proberesp, 100) == 0) {
130 u8 *start, *p;
131 start = wpabuf_put(proberesp, 0);
132 p = hostapd_eid_p2p_manage(hapd, start);
133 wpabuf_put(proberesp, p - start);
134 }
135 }
136 #endif /* CONFIG_P2P_MANAGER */
137
138 #ifdef CONFIG_WPS
139 if (hapd->conf->wps_state) {
140 struct wpabuf *a = wps_build_assoc_resp_ie();
141 add_buf(&assocresp, a);
142 wpabuf_free(a);
143 }
144 #endif /* CONFIG_WPS */
145
146 #ifdef CONFIG_P2P_MANAGER
147 if (hapd->conf->p2p & P2P_MANAGE) {
148 if (wpabuf_resize(&assocresp, 100) == 0) {
149 u8 *start, *p;
150 start = wpabuf_put(assocresp, 0);
151 p = hostapd_eid_p2p_manage(hapd, start);
152 wpabuf_put(assocresp, p - start);
153 }
154 }
155 #endif /* CONFIG_P2P_MANAGER */
156
157 #ifdef CONFIG_WIFI_DISPLAY
158 if (hapd->p2p_group) {
159 struct wpabuf *a;
160 a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
161 add_buf(&assocresp, a);
162 wpabuf_free(a);
163 }
164 #endif /* CONFIG_WIFI_DISPLAY */
165
166 #ifdef CONFIG_HS20
167 pos = hostapd_eid_hs20_indication(hapd, buf);
168 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
169 add_buf_data(&proberesp, buf, pos - buf) < 0)
170 goto fail;
171
172 pos = hostapd_eid_osen(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 #endif /* CONFIG_HS20 */
177
178 #ifdef CONFIG_MBO
179 if (hapd->conf->mbo_enabled ||
180 OCE_STA_CFON_ENABLED(hapd) || OCE_AP_ENABLED(hapd)) {
181 pos = hostapd_eid_mbo(hapd, buf, sizeof(buf));
182 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
183 add_buf_data(&proberesp, buf, pos - buf) < 0 ||
184 add_buf_data(&assocresp, buf, pos - buf) < 0)
185 goto fail;
186 }
187 #endif /* CONFIG_MBO */
188
189 #ifdef CONFIG_OWE
190 pos = hostapd_eid_owe_trans(hapd, buf, sizeof(buf));
191 if (add_buf_data(&beacon, buf, pos - buf) < 0 ||
192 add_buf_data(&proberesp, buf, pos - buf) < 0)
193 goto fail;
194 #endif /* CONFIG_OWE */
195
196 add_buf(&beacon, hapd->conf->vendor_elements);
197 add_buf(&proberesp, hapd->conf->vendor_elements);
198 add_buf(&assocresp, hapd->conf->assocresp_elements);
199
200 *beacon_ret = beacon;
201 *proberesp_ret = proberesp;
202 *assocresp_ret = assocresp;
203
204 return 0;
205
206 fail:
207 wpabuf_free(beacon);
208 wpabuf_free(proberesp);
209 wpabuf_free(assocresp);
210 return -1;
211 }
212
213
hostapd_free_ap_extra_ies(struct hostapd_data * hapd,struct wpabuf * beacon,struct wpabuf * proberesp,struct wpabuf * assocresp)214 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
215 struct wpabuf *beacon,
216 struct wpabuf *proberesp,
217 struct wpabuf *assocresp)
218 {
219 wpabuf_free(beacon);
220 wpabuf_free(proberesp);
221 wpabuf_free(assocresp);
222 }
223
224
hostapd_reset_ap_wps_ie(struct hostapd_data * hapd)225 int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
226 {
227 if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
228 return 0;
229
230 return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
231 }
232
233
hostapd_set_ap_wps_ie(struct hostapd_data * hapd)234 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
235 {
236 struct wpabuf *beacon, *proberesp, *assocresp;
237 int ret;
238
239 if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
240 return 0;
241
242 if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
243 0)
244 return -1;
245
246 ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
247 assocresp);
248
249 hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
250
251 return ret;
252 }
253
254
hostapd_set_authorized(struct hostapd_data * hapd,struct sta_info * sta,int authorized)255 int hostapd_set_authorized(struct hostapd_data *hapd,
256 struct sta_info *sta, int authorized)
257 {
258 if (authorized) {
259 return hostapd_sta_set_flags(hapd, sta->addr,
260 hostapd_sta_flags_to_drv(
261 sta->flags),
262 WPA_STA_AUTHORIZED, ~0);
263 }
264
265 return hostapd_sta_set_flags(hapd, sta->addr,
266 hostapd_sta_flags_to_drv(sta->flags),
267 0, ~WPA_STA_AUTHORIZED);
268 }
269
270
hostapd_set_sta_flags(struct hostapd_data * hapd,struct sta_info * sta)271 int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
272 {
273 int set_flags, total_flags, flags_and, flags_or;
274 total_flags = hostapd_sta_flags_to_drv(sta->flags);
275 set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
276 if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
277 sta->auth_alg == WLAN_AUTH_FT) &&
278 sta->flags & WLAN_STA_AUTHORIZED)
279 set_flags |= WPA_STA_AUTHORIZED;
280 flags_or = total_flags & set_flags;
281 flags_and = total_flags | ~set_flags;
282 return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
283 flags_or, flags_and);
284 }
285
286
hostapd_set_drv_ieee8021x(struct hostapd_data * hapd,const char * ifname,int enabled)287 int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
288 int enabled)
289 {
290 struct wpa_bss_params params;
291 os_memset(¶ms, 0, sizeof(params));
292 params.ifname = ifname;
293 params.enabled = enabled;
294 if (enabled) {
295 params.wpa = hapd->conf->wpa;
296 params.ieee802_1x = hapd->conf->ieee802_1x;
297 params.wpa_group = hapd->conf->wpa_group;
298 if ((hapd->conf->wpa & (WPA_PROTO_WPA | WPA_PROTO_RSN)) ==
299 (WPA_PROTO_WPA | WPA_PROTO_RSN))
300 params.wpa_pairwise = hapd->conf->wpa_pairwise |
301 hapd->conf->rsn_pairwise;
302 else if (hapd->conf->wpa & WPA_PROTO_RSN)
303 params.wpa_pairwise = hapd->conf->rsn_pairwise;
304 else if (hapd->conf->wpa & WPA_PROTO_WPA)
305 params.wpa_pairwise = hapd->conf->wpa_pairwise;
306 params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
307 params.rsn_preauth = hapd->conf->rsn_preauth;
308 #ifdef CONFIG_IEEE80211W
309 params.ieee80211w = hapd->conf->ieee80211w;
310 #endif /* CONFIG_IEEE80211W */
311 }
312 return hostapd_set_ieee8021x(hapd, ¶ms);
313 }
314
315
hostapd_vlan_if_add(struct hostapd_data * hapd,const char * ifname)316 int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
317 {
318 char force_ifname[IFNAMSIZ];
319 u8 if_addr[ETH_ALEN];
320 return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
321 NULL, NULL, force_ifname, if_addr, NULL, 0);
322 }
323
324
hostapd_vlan_if_remove(struct hostapd_data * hapd,const char * ifname)325 int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
326 {
327 return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
328 }
329
330
hostapd_set_wds_sta(struct hostapd_data * hapd,char * ifname_wds,const u8 * addr,int aid,int val)331 int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
332 const u8 *addr, int aid, int val)
333 {
334 const char *bridge = NULL;
335
336 if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
337 return -1;
338 if (hapd->conf->wds_bridge[0])
339 bridge = hapd->conf->wds_bridge;
340 else if (hapd->conf->bridge[0])
341 bridge = hapd->conf->bridge;
342 return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
343 bridge, ifname_wds);
344 }
345
346
hostapd_add_sta_node(struct hostapd_data * hapd,const u8 * addr,u16 auth_alg)347 int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
348 u16 auth_alg)
349 {
350 if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
351 return 0;
352 return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
353 }
354
355
hostapd_sta_auth(struct hostapd_data * hapd,const u8 * addr,u16 seq,u16 status,const u8 * ie,size_t len)356 int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
357 u16 seq, u16 status, const u8 *ie, size_t len)
358 {
359 struct wpa_driver_sta_auth_params params;
360 #ifdef CONFIG_FILS
361 struct sta_info *sta;
362 #endif /* CONFIG_FILS */
363
364 if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
365 return 0;
366
367 os_memset(¶ms, 0, sizeof(params));
368
369 #ifdef CONFIG_FILS
370 sta = ap_get_sta(hapd, addr);
371 if (!sta) {
372 wpa_printf(MSG_DEBUG, "Station " MACSTR
373 " not found for sta_auth processing",
374 MAC2STR(addr));
375 return 0;
376 }
377
378 if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
379 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
380 sta->auth_alg == WLAN_AUTH_FILS_PK) {
381 params.fils_auth = 1;
382 wpa_auth_get_fils_aead_params(sta->wpa_sm, params.fils_anonce,
383 params.fils_snonce,
384 params.fils_kek,
385 ¶ms.fils_kek_len);
386 }
387 #endif /* CONFIG_FILS */
388
389 params.own_addr = hapd->own_addr;
390 params.addr = addr;
391 params.seq = seq;
392 params.status = status;
393 params.ie = ie;
394 params.len = len;
395
396 return hapd->driver->sta_auth(hapd->drv_priv, ¶ms);
397 }
398
399
hostapd_sta_assoc(struct hostapd_data * hapd,const u8 * addr,int reassoc,u16 status,const u8 * ie,size_t len)400 int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
401 int reassoc, u16 status, const u8 *ie, size_t len)
402 {
403 if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
404 return 0;
405 return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
406 reassoc, status, ie, len);
407 }
408
409
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,u32 flags,u8 qosinfo,u8 vht_opmode,int supp_p2p_ps,int set)410 int hostapd_sta_add(struct hostapd_data *hapd,
411 const u8 *addr, u16 aid, u16 capability,
412 const u8 *supp_rates, size_t supp_rates_len,
413 u16 listen_interval,
414 const struct ieee80211_ht_capabilities *ht_capab,
415 const struct ieee80211_vht_capabilities *vht_capab,
416 const struct ieee80211_he_capabilities *he_capab,
417 size_t he_capab_len,
418 u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
419 int set)
420 {
421 struct hostapd_sta_add_params params;
422
423 if (hapd->driver == NULL)
424 return 0;
425 if (hapd->driver->sta_add == NULL)
426 return 0;
427
428 os_memset(¶ms, 0, sizeof(params));
429 params.addr = addr;
430 params.aid = aid;
431 params.capability = capability;
432 params.supp_rates = supp_rates;
433 params.supp_rates_len = supp_rates_len;
434 params.listen_interval = listen_interval;
435 params.ht_capabilities = ht_capab;
436 params.vht_capabilities = vht_capab;
437 params.he_capab = he_capab;
438 params.he_capab_len = he_capab_len;
439 params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
440 params.vht_opmode = vht_opmode;
441 params.flags = hostapd_sta_flags_to_drv(flags);
442 params.qosinfo = qosinfo;
443 params.support_p2p_ps = supp_p2p_ps;
444 params.set = set;
445 return hapd->driver->sta_add(hapd->drv_priv, ¶ms);
446 }
447
448
hostapd_add_tspec(struct hostapd_data * hapd,const u8 * addr,u8 * tspec_ie,size_t tspec_ielen)449 int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
450 u8 *tspec_ie, size_t tspec_ielen)
451 {
452 if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
453 return 0;
454 return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
455 tspec_ielen);
456 }
457
458
hostapd_set_privacy(struct hostapd_data * hapd,int enabled)459 int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
460 {
461 if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
462 return 0;
463 return hapd->driver->set_privacy(hapd->drv_priv, enabled);
464 }
465
466
hostapd_set_generic_elem(struct hostapd_data * hapd,const u8 * elem,size_t elem_len)467 int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
468 size_t elem_len)
469 {
470 if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
471 return 0;
472 return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
473 }
474
475
hostapd_get_ssid(struct hostapd_data * hapd,u8 * buf,size_t len)476 int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
477 {
478 if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
479 return 0;
480 return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
481 }
482
483
hostapd_set_ssid(struct hostapd_data * hapd,const u8 * buf,size_t len)484 int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
485 {
486 if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
487 return 0;
488 return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
489 }
490
491
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)492 int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
493 const char *ifname, const u8 *addr, void *bss_ctx,
494 void **drv_priv, char *force_ifname, u8 *if_addr,
495 const char *bridge, int use_existing)
496 {
497 if (hapd->driver == NULL || hapd->driver->if_add == NULL)
498 return -1;
499 return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
500 bss_ctx, drv_priv, force_ifname, if_addr,
501 bridge, use_existing, 1);
502 }
503
504
hostapd_if_remove(struct hostapd_data * hapd,enum wpa_driver_if_type type,const char * ifname)505 int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
506 const char *ifname)
507 {
508 if (hapd->driver == NULL || hapd->drv_priv == NULL ||
509 hapd->driver->if_remove == NULL)
510 return -1;
511 return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
512 }
513
514
hostapd_set_ieee8021x(struct hostapd_data * hapd,struct wpa_bss_params * params)515 int hostapd_set_ieee8021x(struct hostapd_data *hapd,
516 struct wpa_bss_params *params)
517 {
518 if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
519 return 0;
520 return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
521 }
522
523
hostapd_get_seqnum(const char * ifname,struct hostapd_data * hapd,const u8 * addr,int idx,u8 * seq)524 int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
525 const u8 *addr, int idx, u8 *seq)
526 {
527 if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
528 return 0;
529 return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
530 seq);
531 }
532
533
hostapd_flush(struct hostapd_data * hapd)534 int hostapd_flush(struct hostapd_data *hapd)
535 {
536 if (hapd->driver == NULL || hapd->driver->flush == NULL)
537 return 0;
538 return hapd->driver->flush(hapd->drv_priv);
539 }
540
541
hostapd_set_freq(struct hostapd_data * hapd,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)542 int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
543 int freq, int channel, int ht_enabled, int vht_enabled,
544 int he_enabled,
545 int sec_channel_offset, int oper_chwidth,
546 int center_segment0, int center_segment1)
547 {
548 struct hostapd_freq_params data;
549 struct hostapd_hw_modes *cmode = hapd->iface->current_mode;
550
551 if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
552 vht_enabled, he_enabled, sec_channel_offset,
553 oper_chwidth,
554 center_segment0, center_segment1,
555 cmode ? cmode->vht_capab : 0,
556 cmode ?
557 &cmode->he_capab[IEEE80211_MODE_AP] : NULL))
558 return -1;
559
560 if (hapd->driver == NULL)
561 return 0;
562 if (hapd->driver->set_freq == NULL)
563 return 0;
564 return hapd->driver->set_freq(hapd->drv_priv, &data);
565 }
566
hostapd_set_rts(struct hostapd_data * hapd,int rts)567 int hostapd_set_rts(struct hostapd_data *hapd, int rts)
568 {
569 if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
570 return 0;
571 return hapd->driver->set_rts(hapd->drv_priv, rts);
572 }
573
574
hostapd_set_frag(struct hostapd_data * hapd,int frag)575 int hostapd_set_frag(struct hostapd_data *hapd, int frag)
576 {
577 if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
578 return 0;
579 return hapd->driver->set_frag(hapd->drv_priv, frag);
580 }
581
582
hostapd_sta_set_flags(struct hostapd_data * hapd,u8 * addr,int total_flags,int flags_or,int flags_and)583 int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
584 int total_flags, int flags_or, int flags_and)
585 {
586 if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
587 return 0;
588 return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
589 flags_or, flags_and);
590 }
591
592
hostapd_sta_set_airtime_weight(struct hostapd_data * hapd,const u8 * addr,unsigned int weight)593 int hostapd_sta_set_airtime_weight(struct hostapd_data *hapd, const u8 *addr,
594 unsigned int weight)
595 {
596 if (!hapd->driver || !hapd->driver->sta_set_airtime_weight)
597 return 0;
598 return hapd->driver->sta_set_airtime_weight(hapd->drv_priv, addr,
599 weight);
600 }
601
602
hostapd_set_country(struct hostapd_data * hapd,const char * country)603 int hostapd_set_country(struct hostapd_data *hapd, const char *country)
604 {
605 if (hapd->driver == NULL ||
606 hapd->driver->set_country == NULL)
607 return 0;
608 return hapd->driver->set_country(hapd->drv_priv, country);
609 }
610
611
hostapd_set_tx_queue_params(struct hostapd_data * hapd,int queue,int aifs,int cw_min,int cw_max,int burst_time)612 int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
613 int cw_min, int cw_max, int burst_time)
614 {
615 if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
616 return 0;
617 return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
618 cw_min, cw_max, burst_time);
619 }
620
621
622 struct hostapd_hw_modes *
hostapd_get_hw_feature_data(struct hostapd_data * hapd,u16 * num_modes,u16 * flags,u8 * dfs_domain)623 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
624 u16 *flags, u8 *dfs_domain)
625 {
626 if (hapd->driver == NULL ||
627 hapd->driver->get_hw_feature_data == NULL)
628 return NULL;
629 return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
630 flags, dfs_domain);
631 }
632
633
hostapd_driver_commit(struct hostapd_data * hapd)634 int hostapd_driver_commit(struct hostapd_data *hapd)
635 {
636 if (hapd->driver == NULL || hapd->driver->commit == NULL)
637 return 0;
638 return hapd->driver->commit(hapd->drv_priv);
639 }
640
641
hostapd_drv_none(struct hostapd_data * hapd)642 int hostapd_drv_none(struct hostapd_data *hapd)
643 {
644 return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
645 }
646
647
hostapd_driver_scan(struct hostapd_data * hapd,struct wpa_driver_scan_params * params)648 int hostapd_driver_scan(struct hostapd_data *hapd,
649 struct wpa_driver_scan_params *params)
650 {
651 if (hapd->driver && hapd->driver->scan2)
652 return hapd->driver->scan2(hapd->drv_priv, params);
653 return -1;
654 }
655
656
hostapd_driver_get_scan_results(struct hostapd_data * hapd)657 struct wpa_scan_results * hostapd_driver_get_scan_results(
658 struct hostapd_data *hapd)
659 {
660 if (hapd->driver && hapd->driver->get_scan_results2)
661 return hapd->driver->get_scan_results2(hapd->drv_priv);
662 return NULL;
663 }
664
665
hostapd_driver_set_noa(struct hostapd_data * hapd,u8 count,int start,int duration)666 int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
667 int duration)
668 {
669 if (hapd->driver && hapd->driver->set_noa)
670 return hapd->driver->set_noa(hapd->drv_priv, count, start,
671 duration);
672 return -1;
673 }
674
675
hostapd_drv_set_key(const char * ifname,struct hostapd_data * hapd,enum wpa_alg alg,const u8 * addr,int key_idx,int set_tx,const u8 * seq,size_t seq_len,const u8 * key,size_t key_len)676 int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
677 enum wpa_alg alg, const u8 *addr,
678 int key_idx, int set_tx,
679 const u8 *seq, size_t seq_len,
680 const u8 *key, size_t key_len)
681 {
682 if (hapd->driver == NULL || hapd->driver->set_key == NULL)
683 return 0;
684 return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
685 key_idx, set_tx, seq, seq_len, key,
686 key_len);
687 }
688
689
hostapd_drv_send_mlme(struct hostapd_data * hapd,const void * msg,size_t len,int noack)690 int hostapd_drv_send_mlme(struct hostapd_data *hapd,
691 const void *msg, size_t len, int noack)
692 {
693 if (!hapd->driver || !hapd->driver->send_mlme || !hapd->drv_priv)
694 return 0;
695 return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
696 NULL, 0);
697 }
698
699
hostapd_drv_send_mlme_csa(struct hostapd_data * hapd,const void * msg,size_t len,int noack,const u16 * csa_offs,size_t csa_offs_len)700 int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
701 const void *msg, size_t len, int noack,
702 const u16 *csa_offs, size_t csa_offs_len)
703 {
704 if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
705 return 0;
706 return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack, 0,
707 csa_offs, csa_offs_len);
708 }
709
710
hostapd_drv_sta_deauth(struct hostapd_data * hapd,const u8 * addr,int reason)711 int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
712 const u8 *addr, int reason)
713 {
714 if (!hapd->driver || !hapd->driver->sta_deauth || !hapd->drv_priv)
715 return 0;
716 return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
717 reason);
718 }
719
720
hostapd_drv_sta_disassoc(struct hostapd_data * hapd,const u8 * addr,int reason)721 int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
722 const u8 *addr, int reason)
723 {
724 if (!hapd->driver || !hapd->driver->sta_disassoc || !hapd->drv_priv)
725 return 0;
726 return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
727 reason);
728 }
729
730
hostapd_drv_wnm_oper(struct hostapd_data * hapd,enum wnm_oper oper,const u8 * peer,u8 * buf,u16 * buf_len)731 int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
732 const u8 *peer, u8 *buf, u16 *buf_len)
733 {
734 if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
735 return -1;
736 return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
737 buf_len);
738 }
739
740
hostapd_drv_send_action(struct hostapd_data * hapd,unsigned int freq,unsigned int wait,const u8 * dst,const u8 * data,size_t len)741 int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
742 unsigned int wait, const u8 *dst, const u8 *data,
743 size_t len)
744 {
745 const u8 *bssid;
746 const u8 wildcard_bssid[ETH_ALEN] = {
747 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
748 };
749
750 if (!hapd->driver || !hapd->driver->send_action || !hapd->drv_priv)
751 return 0;
752 bssid = hapd->own_addr;
753 if (!is_multicast_ether_addr(dst) &&
754 len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
755 struct sta_info *sta;
756
757 /*
758 * Public Action frames to a STA that is not a member of the BSS
759 * shall use wildcard BSSID value.
760 */
761 sta = ap_get_sta(hapd, dst);
762 if (!sta || !(sta->flags & WLAN_STA_ASSOC))
763 bssid = wildcard_bssid;
764 } else if (is_broadcast_ether_addr(dst) &&
765 len > 0 && data[0] == WLAN_ACTION_PUBLIC) {
766 /*
767 * The only current use case of Public Action frames with
768 * broadcast destination address is DPP PKEX. That case is
769 * directing all devices and not just the STAs within the BSS,
770 * so have to use the wildcard BSSID value.
771 */
772 bssid = wildcard_bssid;
773 }
774 return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
775 hapd->own_addr, bssid, data, len, 0);
776 }
777
778
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)779 int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
780 unsigned int freq,
781 unsigned int wait, const u8 *dst,
782 const u8 *data, size_t len)
783 {
784 if (hapd->driver == NULL || hapd->driver->send_action == NULL)
785 return 0;
786 return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
787 hapd->own_addr, hapd->own_addr, data,
788 len, 0);
789 }
790
791
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)792 int hostapd_start_dfs_cac(struct hostapd_iface *iface,
793 enum hostapd_hw_mode mode, int freq,
794 int channel, int ht_enabled, int vht_enabled,
795 int he_enabled,
796 int sec_channel_offset, int oper_chwidth,
797 int center_segment0, int center_segment1)
798 {
799 struct hostapd_data *hapd = iface->bss[0];
800 struct hostapd_freq_params data;
801 int res;
802 struct hostapd_hw_modes *cmode = iface->current_mode;
803
804 if (!hapd->driver || !hapd->driver->start_dfs_cac || !cmode)
805 return 0;
806
807 if (!iface->conf->ieee80211h) {
808 wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
809 "is not enabled");
810 return -1;
811 }
812
813 if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
814 vht_enabled, he_enabled, sec_channel_offset,
815 oper_chwidth, center_segment0,
816 center_segment1,
817 cmode->vht_capab,
818 &cmode->he_capab[IEEE80211_MODE_AP])) {
819 wpa_printf(MSG_ERROR, "Can't set freq params");
820 return -1;
821 }
822
823 res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
824 if (!res) {
825 iface->cac_started = 1;
826 os_get_reltime(&iface->dfs_cac_start);
827 }
828
829 return res;
830 }
831
832
hostapd_drv_set_qos_map(struct hostapd_data * hapd,const u8 * qos_map_set,u8 qos_map_set_len)833 int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
834 const u8 *qos_map_set, u8 qos_map_set_len)
835 {
836 if (!hapd->driver || !hapd->driver->set_qos_map || !hapd->drv_priv)
837 return 0;
838 return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
839 qos_map_set_len);
840 }
841
842
hostapd_get_hw_mode_any_channels(struct hostapd_data * hapd,struct hostapd_hw_modes * mode,int acs_ch_list_all,int ** freq_list)843 static void hostapd_get_hw_mode_any_channels(struct hostapd_data *hapd,
844 struct hostapd_hw_modes *mode,
845 int acs_ch_list_all,
846 int **freq_list)
847 {
848 int i;
849
850 for (i = 0; i < mode->num_channels; i++) {
851 struct hostapd_channel_data *chan = &mode->channels[i];
852
853 if ((acs_ch_list_all ||
854 freq_range_list_includes(&hapd->iface->conf->acs_ch_list,
855 chan->chan)) &&
856 !(chan->flag & HOSTAPD_CHAN_DISABLED) &&
857 !(hapd->iface->conf->acs_exclude_dfs &&
858 (chan->flag & HOSTAPD_CHAN_RADAR)))
859 int_array_add_unique(freq_list, chan->freq);
860 }
861 }
862
863
hostapd_get_ext_capa(struct hostapd_iface * iface)864 void hostapd_get_ext_capa(struct hostapd_iface *iface)
865 {
866 struct hostapd_data *hapd = iface->bss[0];
867
868 if (!hapd->driver || !hapd->driver->get_ext_capab)
869 return;
870
871 hapd->driver->get_ext_capab(hapd->drv_priv, WPA_IF_AP_BSS,
872 &iface->extended_capa,
873 &iface->extended_capa_mask,
874 &iface->extended_capa_len);
875 }
876
877
hostapd_drv_do_acs(struct hostapd_data * hapd)878 int hostapd_drv_do_acs(struct hostapd_data *hapd)
879 {
880 struct drv_acs_params params;
881 int ret, i, acs_ch_list_all = 0;
882 u8 *channels = NULL;
883 unsigned int num_channels = 0;
884 struct hostapd_hw_modes *mode;
885 int *freq_list = NULL;
886
887 if (hapd->driver == NULL || hapd->driver->do_acs == NULL)
888 return 0;
889
890 os_memset(¶ms, 0, sizeof(params));
891 params.hw_mode = hapd->iface->conf->hw_mode;
892
893 /*
894 * If no chanlist config parameter is provided, include all enabled
895 * channels of the selected hw_mode.
896 */
897 if (!hapd->iface->conf->acs_ch_list.num)
898 acs_ch_list_all = 1;
899
900 mode = hapd->iface->current_mode;
901 if (mode) {
902 channels = os_malloc(mode->num_channels);
903 if (channels == NULL)
904 return -1;
905
906 for (i = 0; i < mode->num_channels; i++) {
907 struct hostapd_channel_data *chan = &mode->channels[i];
908 if (!acs_ch_list_all &&
909 !freq_range_list_includes(
910 &hapd->iface->conf->acs_ch_list,
911 chan->chan))
912 continue;
913 if (hapd->iface->conf->acs_exclude_dfs &&
914 (chan->flag & HOSTAPD_CHAN_RADAR))
915 continue;
916 if (!(chan->flag & HOSTAPD_CHAN_DISABLED)) {
917 channels[num_channels++] = chan->chan;
918 int_array_add_unique(&freq_list, chan->freq);
919 }
920 }
921 } else {
922 for (i = 0; i < hapd->iface->num_hw_features; i++) {
923 mode = &hapd->iface->hw_features[i];
924 hostapd_get_hw_mode_any_channels(hapd, mode,
925 acs_ch_list_all,
926 &freq_list);
927 }
928 }
929
930 params.ch_list = channels;
931 params.ch_list_len = num_channels;
932 params.freq_list = freq_list;
933
934 params.ht_enabled = !!(hapd->iface->conf->ieee80211n);
935 params.ht40_enabled = !!(hapd->iface->conf->ht_capab &
936 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET);
937 params.vht_enabled = !!(hapd->iface->conf->ieee80211ac);
938 params.ch_width = 20;
939 if (hapd->iface->conf->ieee80211n && params.ht40_enabled)
940 params.ch_width = 40;
941
942 /* Note: VHT20 is defined by combination of ht_capab & oper_chwidth
943 */
944 if ((hapd->iface->conf->ieee80211ax ||
945 hapd->iface->conf->ieee80211ac) &&
946 params.ht40_enabled) {
947 u8 oper_chwidth = hostapd_get_oper_chwidth(hapd->iface->conf);
948
949 if (oper_chwidth == CHANWIDTH_80MHZ)
950 params.ch_width = 80;
951 else if (oper_chwidth == CHANWIDTH_160MHZ ||
952 oper_chwidth == CHANWIDTH_80P80MHZ)
953 params.ch_width = 160;
954 }
955
956 ret = hapd->driver->do_acs(hapd->drv_priv, ¶ms);
957 os_free(channels);
958
959 return ret;
960 }
961
962
hostapd_drv_update_dh_ie(struct hostapd_data * hapd,const u8 * peer,u16 reason_code,const u8 * ie,size_t ielen)963 int hostapd_drv_update_dh_ie(struct hostapd_data *hapd, const u8 *peer,
964 u16 reason_code, const u8 *ie, size_t ielen)
965 {
966 if (!hapd->driver || !hapd->driver->update_dh_ie || !hapd->drv_priv)
967 return 0;
968 return hapd->driver->update_dh_ie(hapd->drv_priv, peer, reason_code,
969 ie, ielen);
970 }
971