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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * hostapd / Initialization and configuration | |
08081ad8 | 3 | * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi> |
6fc6879b | 4 | * |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
6fc6879b JM |
7 | */ |
8 | ||
6226e38d | 9 | #include "utils/includes.h" |
6fc6879b | 10 | |
6226e38d JM |
11 | #include "utils/common.h" |
12 | #include "utils/eloop.h" | |
03da66bd | 13 | #include "common/ieee802_11_defs.h" |
7d6d7370 | 14 | #include "common/wpa_ctrl.h" |
982896ff | 15 | #include "common/hw_features_common.h" |
03da66bd | 16 | #include "radius/radius_client.h" |
b031338c | 17 | #include "radius/radius_das.h" |
10b58b50 | 18 | #include "eap_server/tncs.h" |
4e871ed1 JM |
19 | #include "eapol_auth/eapol_auth_sm.h" |
20 | #include "eapol_auth/eapol_auth_sm_i.h" | |
6959145b | 21 | #include "fst/fst.h" |
6226e38d JM |
22 | #include "hostapd.h" |
23 | #include "authsrv.h" | |
24 | #include "sta_info.h" | |
25 | #include "accounting.h" | |
26 | #include "ap_list.h" | |
27 | #include "beacon.h" | |
28 | #include "iapp.h" | |
29 | #include "ieee802_1x.h" | |
30 | #include "ieee802_11_auth.h" | |
31 | #include "vlan_init.h" | |
32 | #include "wpa_auth.h" | |
33 | #include "wps_hostapd.h" | |
6fc6879b | 34 | #include "hw_features.h" |
c442055e | 35 | #include "wpa_auth_glue.h" |
a4f21109 | 36 | #include "ap_drv_ops.h" |
8b06c1ed | 37 | #include "ap_config.h" |
aefb53bd | 38 | #include "p2p_hostapd.h" |
dca30c3f | 39 | #include "gas_serv.h" |
e76da505 | 40 | #include "dfs.h" |
9c47f6a2 | 41 | #include "ieee802_11.h" |
ec8f36af | 42 | #include "bss_load.h" |
1d783762 | 43 | #include "x_snoop.h" |
7d597d46 | 44 | #include "dhcp_snoop.h" |
bd00c431 | 45 | #include "ndisc_snoop.h" |
9b4b2264 | 46 | #include "neighbor_db.h" |
f4f185a2 | 47 | #include "rrm.h" |
91d91abf | 48 | #include "fils_hlp.h" |
4c803dfc | 49 | #include "acs.h" |
6fc6879b JM |
50 | |
51 | ||
52b20042 | 52 | static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason); |
ad08c363 | 53 | static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd); |
a3e685a0 | 54 | static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd); |
f0793bf1 JM |
55 | static int setup_interface2(struct hostapd_iface *iface); |
56 | static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx); | |
6fc6879b | 57 | |
6fc6879b | 58 | |
07bcdbb1 JM |
59 | int hostapd_for_each_interface(struct hapd_interfaces *interfaces, |
60 | int (*cb)(struct hostapd_iface *iface, | |
61 | void *ctx), void *ctx) | |
62 | { | |
63 | size_t i; | |
64 | int ret; | |
65 | ||
66 | for (i = 0; i < interfaces->count; i++) { | |
67 | ret = cb(interfaces->iface[i], ctx); | |
68 | if (ret) | |
69 | return ret; | |
70 | } | |
71 | ||
72 | return 0; | |
73 | } | |
74 | ||
75 | ||
c2aa25fb | 76 | static void hostapd_reload_bss(struct hostapd_data *hapd) |
ad08c363 | 77 | { |
a781e211 JM |
78 | struct hostapd_ssid *ssid; |
79 | ||
1dfd25a6 JM |
80 | if (!hapd->started) |
81 | return; | |
82 | ||
e3e52e36 JM |
83 | #ifndef CONFIG_NO_RADIUS |
84 | radius_client_reconfig(hapd->radius, hapd->conf->radius); | |
85 | #endif /* CONFIG_NO_RADIUS */ | |
86 | ||
a781e211 JM |
87 | ssid = &hapd->conf->ssid; |
88 | if (!ssid->wpa_psk_set && ssid->wpa_psk && !ssid->wpa_psk->next && | |
89 | ssid->wpa_passphrase_set && ssid->wpa_passphrase) { | |
90 | /* | |
91 | * Force PSK to be derived again since SSID or passphrase may | |
92 | * have changed. | |
93 | */ | |
891dfb33 | 94 | hostapd_config_clear_wpa_psk(&hapd->conf->ssid.wpa_psk); |
a781e211 | 95 | } |
ad08c363 JM |
96 | if (hostapd_setup_wpa_psk(hapd->conf)) { |
97 | wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK " | |
98 | "after reloading configuration"); | |
99 | } | |
100 | ||
84b2f990 | 101 | if (hapd->conf->ieee802_1x || hapd->conf->wpa) |
0e8a96a9 | 102 | hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1); |
84b2f990 | 103 | else |
0e8a96a9 | 104 | hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0); |
84b2f990 | 105 | |
a14896e8 | 106 | if ((hapd->conf->wpa || hapd->conf->osen) && hapd->wpa_auth == NULL) { |
ad08c363 | 107 | hostapd_setup_wpa(hapd); |
bdffdc5d JM |
108 | if (hapd->wpa_auth) |
109 | wpa_init_keys(hapd->wpa_auth); | |
110 | } else if (hapd->conf->wpa) { | |
99f4ae67 AT |
111 | const u8 *wpa_ie; |
112 | size_t wpa_ie_len; | |
c442055e | 113 | hostapd_reconfig_wpa(hapd); |
99f4ae67 AT |
114 | wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); |
115 | if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) | |
116 | wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " | |
117 | "the kernel driver."); | |
118 | } else if (hapd->wpa_auth) { | |
ad08c363 JM |
119 | wpa_deinit(hapd->wpa_auth); |
120 | hapd->wpa_auth = NULL; | |
121 | hostapd_set_privacy(hapd, 0); | |
122 | hostapd_setup_encryption(hapd->conf->iface, hapd); | |
99f4ae67 | 123 | hostapd_set_generic_elem(hapd, (u8 *) "", 0); |
ad08c363 JM |
124 | } |
125 | ||
126 | ieee802_11_set_beacon(hapd); | |
6deb41e7 | 127 | hostapd_update_wps(hapd); |
ad08c363 | 128 | |
c813b695 | 129 | if (hapd->conf->ssid.ssid_set && |
986de33d | 130 | hostapd_set_ssid(hapd, hapd->conf->ssid.ssid, |
c813b695 JM |
131 | hapd->conf->ssid.ssid_len)) { |
132 | wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver"); | |
133 | /* try to continue */ | |
134 | } | |
c2aa25fb FF |
135 | wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface); |
136 | } | |
137 | ||
138 | ||
ccdff940 | 139 | static void hostapd_clear_old(struct hostapd_iface *iface) |
c2aa25fb | 140 | { |
c2aa25fb FF |
141 | size_t j; |
142 | ||
c2aa25fb FF |
143 | /* |
144 | * Deauthenticate all stations since the new configuration may not | |
145 | * allow them to use the BSS anymore. | |
146 | */ | |
e3e52e36 | 147 | for (j = 0; j < iface->num_bss; j++) { |
52b20042 JM |
148 | hostapd_flush_old_stations(iface->bss[j], |
149 | WLAN_REASON_PREV_AUTH_NOT_VALID); | |
a3e685a0 | 150 | hostapd_broadcast_wep_clear(iface->bss[j]); |
c2aa25fb FF |
151 | |
152 | #ifndef CONFIG_NO_RADIUS | |
e3e52e36 JM |
153 | /* TODO: update dynamic data based on changed configuration |
154 | * items (e.g., open/close sockets, etc.) */ | |
155 | radius_client_flush(iface->bss[j]->radius, 0); | |
c2aa25fb | 156 | #endif /* CONFIG_NO_RADIUS */ |
e3e52e36 | 157 | } |
ccdff940 JM |
158 | } |
159 | ||
160 | ||
161 | int hostapd_reload_config(struct hostapd_iface *iface) | |
162 | { | |
163 | struct hostapd_data *hapd = iface->bss[0]; | |
164 | struct hostapd_config *newconf, *oldconf; | |
165 | size_t j; | |
166 | ||
167 | if (iface->config_fname == NULL) { | |
168 | /* Only in-memory config in use - assume it has been updated */ | |
169 | hostapd_clear_old(iface); | |
170 | for (j = 0; j < iface->num_bss; j++) | |
171 | hostapd_reload_bss(iface->bss[j]); | |
172 | return 0; | |
173 | } | |
174 | ||
175 | if (iface->interfaces == NULL || | |
176 | iface->interfaces->config_read_cb == NULL) | |
177 | return -1; | |
178 | newconf = iface->interfaces->config_read_cb(iface->config_fname); | |
179 | if (newconf == NULL) | |
180 | return -1; | |
181 | ||
182 | hostapd_clear_old(iface); | |
c2aa25fb FF |
183 | |
184 | oldconf = hapd->iconf; | |
185 | iface->conf = newconf; | |
186 | ||
187 | for (j = 0; j < iface->num_bss; j++) { | |
188 | hapd = iface->bss[j]; | |
189 | hapd->iconf = newconf; | |
513dcec6 | 190 | hapd->iconf->channel = oldconf->channel; |
857d9422 | 191 | hapd->iconf->acs = oldconf->acs; |
74a1319e | 192 | hapd->iconf->secondary_channel = oldconf->secondary_channel; |
513dcec6 PK |
193 | hapd->iconf->ieee80211n = oldconf->ieee80211n; |
194 | hapd->iconf->ieee80211ac = oldconf->ieee80211ac; | |
195 | hapd->iconf->ht_capab = oldconf->ht_capab; | |
196 | hapd->iconf->vht_capab = oldconf->vht_capab; | |
197 | hapd->iconf->vht_oper_chwidth = oldconf->vht_oper_chwidth; | |
198 | hapd->iconf->vht_oper_centr_freq_seg0_idx = | |
199 | oldconf->vht_oper_centr_freq_seg0_idx; | |
200 | hapd->iconf->vht_oper_centr_freq_seg1_idx = | |
201 | oldconf->vht_oper_centr_freq_seg1_idx; | |
ebd79f07 | 202 | hapd->conf = newconf->bss[j]; |
c2aa25fb FF |
203 | hostapd_reload_bss(hapd); |
204 | } | |
c813b695 | 205 | |
ad08c363 JM |
206 | hostapd_config_free(oldconf); |
207 | ||
ad08c363 JM |
208 | |
209 | return 0; | |
210 | } | |
211 | ||
212 | ||
6fc6879b | 213 | static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd, |
9c10be3f | 214 | const char *ifname) |
6fc6879b JM |
215 | { |
216 | int i; | |
217 | ||
1dfd25a6 | 218 | if (!ifname || !hapd->drv_priv) |
9c10be3f | 219 | return; |
6fc6879b | 220 | for (i = 0; i < NUM_WEP_KEYS; i++) { |
3acdf771 | 221 | if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i, |
dff99f8e | 222 | 0, NULL, 0, NULL, 0)) { |
bb305cbd JM |
223 | wpa_printf(MSG_DEBUG, "Failed to clear default " |
224 | "encryption keys (ifname=%s keyidx=%d)", | |
225 | ifname, i); | |
6fc6879b JM |
226 | } |
227 | } | |
1aa5c134 JM |
228 | #ifdef CONFIG_IEEE80211W |
229 | if (hapd->conf->ieee80211w) { | |
230 | for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) { | |
3acdf771 | 231 | if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, |
dff99f8e | 232 | NULL, i, 0, NULL, |
3acdf771 | 233 | 0, NULL, 0)) { |
bb305cbd JM |
234 | wpa_printf(MSG_DEBUG, "Failed to clear " |
235 | "default mgmt encryption keys " | |
236 | "(ifname=%s keyidx=%d)", ifname, i); | |
1aa5c134 JM |
237 | } |
238 | } | |
239 | } | |
240 | #endif /* CONFIG_IEEE80211W */ | |
6fc6879b JM |
241 | } |
242 | ||
243 | ||
244 | static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd) | |
245 | { | |
246 | hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface); | |
247 | return 0; | |
248 | } | |
249 | ||
250 | ||
251 | static int hostapd_broadcast_wep_set(struct hostapd_data *hapd) | |
252 | { | |
253 | int errors = 0, idx; | |
254 | struct hostapd_ssid *ssid = &hapd->conf->ssid; | |
255 | ||
256 | idx = ssid->wep.idx; | |
257 | if (ssid->wep.default_len && | |
3acdf771 | 258 | hostapd_drv_set_key(hapd->conf->iface, |
0382097e JM |
259 | hapd, WPA_ALG_WEP, broadcast_ether_addr, idx, |
260 | 1, NULL, 0, ssid->wep.key[idx], | |
3acdf771 | 261 | ssid->wep.len[idx])) { |
bb305cbd | 262 | wpa_printf(MSG_WARNING, "Could not set WEP encryption."); |
6fc6879b JM |
263 | errors++; |
264 | } | |
265 | ||
6fc6879b JM |
266 | return errors; |
267 | } | |
268 | ||
6fc6879b | 269 | |
ed53dec0 SP |
270 | static void hostapd_free_hapd_data(struct hostapd_data *hapd) |
271 | { | |
eae3df7e JM |
272 | os_free(hapd->probereq_cb); |
273 | hapd->probereq_cb = NULL; | |
24fd2043 | 274 | hapd->num_probereq_cb = 0; |
eae3df7e JM |
275 | |
276 | #ifdef CONFIG_P2P | |
277 | wpabuf_free(hapd->p2p_beacon_ie); | |
278 | hapd->p2p_beacon_ie = NULL; | |
279 | wpabuf_free(hapd->p2p_probe_resp_ie); | |
280 | hapd->p2p_probe_resp_ie = NULL; | |
281 | #endif /* CONFIG_P2P */ | |
282 | ||
68d628ac MK |
283 | if (!hapd->started) { |
284 | wpa_printf(MSG_ERROR, "%s: Interface %s wasn't started", | |
285 | __func__, hapd->conf->iface); | |
286 | return; | |
287 | } | |
288 | hapd->started = 0; | |
289 | ||
747c85f9 | 290 | wpa_printf(MSG_DEBUG, "%s(%s)", __func__, hapd->conf->iface); |
6fc6879b JM |
291 | iapp_deinit(hapd->iapp); |
292 | hapd->iapp = NULL; | |
293 | accounting_deinit(hapd); | |
c442055e | 294 | hostapd_deinit_wpa(hapd); |
6fc6879b JM |
295 | vlan_deinit(hapd); |
296 | hostapd_acl_deinit(hapd); | |
74784010 | 297 | #ifndef CONFIG_NO_RADIUS |
6fc6879b JM |
298 | radius_client_deinit(hapd->radius); |
299 | hapd->radius = NULL; | |
b031338c JM |
300 | radius_das_deinit(hapd->radius_das); |
301 | hapd->radius_das = NULL; | |
74784010 | 302 | #endif /* CONFIG_NO_RADIUS */ |
6fc6879b | 303 | |
ad08c363 JM |
304 | hostapd_deinit_wps(hapd); |
305 | ||
2586bc64 | 306 | authsrv_deinit(hapd); |
6fc6879b | 307 | |
81c4fca1 MK |
308 | if (hapd->interface_added) { |
309 | hapd->interface_added = 0; | |
310 | if (hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) { | |
311 | wpa_printf(MSG_WARNING, | |
312 | "Failed to remove BSS interface %s", | |
313 | hapd->conf->iface); | |
314 | hapd->interface_added = 1; | |
d92bdf96 JM |
315 | } else { |
316 | /* | |
317 | * Since this was a dynamically added interface, the | |
318 | * driver wrapper may have removed its internal instance | |
319 | * and hapd->drv_priv is not valid anymore. | |
320 | */ | |
321 | hapd->drv_priv = NULL; | |
81c4fca1 | 322 | } |
6fc6879b | 323 | } |
fa16028d | 324 | |
39b97072 | 325 | wpabuf_free(hapd->time_adv); |
dca30c3f JK |
326 | |
327 | #ifdef CONFIG_INTERWORKING | |
328 | gas_serv_deinit(hapd); | |
329 | #endif /* CONFIG_INTERWORKING */ | |
ee431d77 | 330 | |
ec8f36af | 331 | bss_load_update_deinit(hapd); |
bd00c431 | 332 | ndisc_snoop_deinit(hapd); |
7d597d46 | 333 | dhcp_snoop_deinit(hapd); |
1d783762 | 334 | x_snoop_deinit(hapd); |
ec8f36af | 335 | |
ee431d77 | 336 | #ifdef CONFIG_SQLITE |
b7175b4d JM |
337 | bin_clear_free(hapd->tmp_eap_user.identity, |
338 | hapd->tmp_eap_user.identity_len); | |
339 | bin_clear_free(hapd->tmp_eap_user.password, | |
340 | hapd->tmp_eap_user.password_len); | |
ee431d77 | 341 | #endif /* CONFIG_SQLITE */ |
3a322496 JM |
342 | |
343 | #ifdef CONFIG_MESH | |
344 | wpabuf_free(hapd->mesh_pending_auth); | |
345 | hapd->mesh_pending_auth = NULL; | |
346 | #endif /* CONFIG_MESH */ | |
9b4b2264 | 347 | |
f4f185a2 | 348 | hostapd_clean_rrm(hapd); |
91d91abf | 349 | fils_hlp_deinit(hapd); |
6fc6879b JM |
350 | } |
351 | ||
352 | ||
ed53dec0 SP |
353 | /** |
354 | * hostapd_cleanup - Per-BSS cleanup (deinitialization) | |
355 | * @hapd: Pointer to BSS data | |
356 | * | |
357 | * This function is used to free all per-BSS data structures and resources. | |
6d1ca81e JM |
358 | * Most of the modules that are initialized in hostapd_setup_bss() are |
359 | * deinitialized here. | |
ed53dec0 SP |
360 | */ |
361 | static void hostapd_cleanup(struct hostapd_data *hapd) | |
362 | { | |
36501a22 JM |
363 | wpa_printf(MSG_DEBUG, "%s(hapd=%p (%s))", __func__, hapd, |
364 | hapd->conf->iface); | |
3776ac73 | 365 | if (hapd->iface->interfaces && |
655dc4a4 DN |
366 | hapd->iface->interfaces->ctrl_iface_deinit) { |
367 | wpa_msg(hapd->msg_ctx, MSG_INFO, WPA_EVENT_TERMINATING); | |
3776ac73 | 368 | hapd->iface->interfaces->ctrl_iface_deinit(hapd); |
655dc4a4 | 369 | } |
ed53dec0 SP |
370 | hostapd_free_hapd_data(hapd); |
371 | } | |
372 | ||
373 | ||
a65a9b8d JM |
374 | static void sta_track_deinit(struct hostapd_iface *iface) |
375 | { | |
376 | struct hostapd_sta_info *info; | |
377 | ||
378 | if (!iface->num_sta_seen) | |
379 | return; | |
380 | ||
381 | while ((info = dl_list_first(&iface->sta_seen, struct hostapd_sta_info, | |
382 | list))) { | |
383 | dl_list_del(&info->list); | |
384 | iface->num_sta_seen--; | |
44281940 | 385 | sta_track_del(info); |
a65a9b8d JM |
386 | } |
387 | } | |
388 | ||
389 | ||
4b8a59e4 SP |
390 | static void hostapd_cleanup_iface_partial(struct hostapd_iface *iface) |
391 | { | |
747c85f9 | 392 | wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface); |
4fada121 JM |
393 | #ifdef CONFIG_IEEE80211N |
394 | #ifdef NEED_AP_MLME | |
395 | hostapd_stop_setup_timers(iface); | |
396 | #endif /* NEED_AP_MLME */ | |
397 | #endif /* CONFIG_IEEE80211N */ | |
4c803dfc JM |
398 | if (iface->current_mode) |
399 | acs_cleanup(iface); | |
4b8a59e4 SP |
400 | hostapd_free_hw_features(iface->hw_features, iface->num_hw_features); |
401 | iface->hw_features = NULL; | |
4c803dfc | 402 | iface->current_mode = NULL; |
4b8a59e4 SP |
403 | os_free(iface->current_rates); |
404 | iface->current_rates = NULL; | |
405 | os_free(iface->basic_rates); | |
406 | iface->basic_rates = NULL; | |
407 | ap_list_deinit(iface); | |
a65a9b8d | 408 | sta_track_deinit(iface); |
4b8a59e4 SP |
409 | } |
410 | ||
411 | ||
6fc6879b JM |
412 | /** |
413 | * hostapd_cleanup_iface - Complete per-interface cleanup | |
414 | * @iface: Pointer to interface data | |
415 | * | |
416 | * This function is called after per-BSS data structures are deinitialized | |
417 | * with hostapd_cleanup(). | |
418 | */ | |
419 | static void hostapd_cleanup_iface(struct hostapd_iface *iface) | |
420 | { | |
747c85f9 | 421 | wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface); |
f0793bf1 JM |
422 | eloop_cancel_timeout(channel_list_update_timeout, iface, NULL); |
423 | ||
4b8a59e4 | 424 | hostapd_cleanup_iface_partial(iface); |
6fc6879b JM |
425 | hostapd_config_free(iface->conf); |
426 | iface->conf = NULL; | |
427 | ||
428 | os_free(iface->config_fname); | |
429 | os_free(iface->bss); | |
747c85f9 | 430 | wpa_printf(MSG_DEBUG, "%s: free iface=%p", __func__, iface); |
6fc6879b JM |
431 | os_free(iface); |
432 | } | |
433 | ||
434 | ||
e03c3069 SP |
435 | static void hostapd_clear_wep(struct hostapd_data *hapd) |
436 | { | |
354c903f | 437 | if (hapd->drv_priv && !hapd->iface->driver_ap_teardown) { |
e03c3069 SP |
438 | hostapd_set_privacy(hapd, 0); |
439 | hostapd_broadcast_wep_clear(hapd); | |
440 | } | |
441 | } | |
442 | ||
443 | ||
6fc6879b JM |
444 | static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd) |
445 | { | |
446 | int i; | |
447 | ||
448 | hostapd_broadcast_wep_set(hapd); | |
449 | ||
579bc0e6 JM |
450 | if (hapd->conf->ssid.wep.default_len) { |
451 | hostapd_set_privacy(hapd, 1); | |
6fc6879b | 452 | return 0; |
579bc0e6 | 453 | } |
6fc6879b | 454 | |
41fd1d9e KZ |
455 | /* |
456 | * When IEEE 802.1X is not enabled, the driver may need to know how to | |
457 | * set authentication algorithms for static WEP. | |
458 | */ | |
459 | hostapd_drv_set_authmode(hapd, hapd->conf->auth_algs); | |
460 | ||
6fc6879b JM |
461 | for (i = 0; i < 4; i++) { |
462 | if (hapd->conf->ssid.wep.key[i] && | |
3acdf771 JM |
463 | hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i, |
464 | i == hapd->conf->ssid.wep.idx, NULL, 0, | |
465 | hapd->conf->ssid.wep.key[i], | |
466 | hapd->conf->ssid.wep.len[i])) { | |
bb305cbd JM |
467 | wpa_printf(MSG_WARNING, "Could not set WEP " |
468 | "encryption."); | |
6fc6879b JM |
469 | return -1; |
470 | } | |
471 | if (hapd->conf->ssid.wep.key[i] && | |
472 | i == hapd->conf->ssid.wep.idx) | |
473 | hostapd_set_privacy(hapd, 1); | |
474 | } | |
475 | ||
476 | return 0; | |
477 | } | |
478 | ||
479 | ||
52b20042 | 480 | static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason) |
6fc6879b JM |
481 | { |
482 | int ret = 0; | |
4d379f12 | 483 | u8 addr[ETH_ALEN]; |
6fc6879b | 484 | |
70a8419f | 485 | if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL) |
85141289 JM |
486 | return 0; |
487 | ||
354c903f MB |
488 | if (!hapd->iface->driver_ap_teardown) { |
489 | wpa_dbg(hapd->msg_ctx, MSG_DEBUG, | |
490 | "Flushing old station entries"); | |
491 | ||
492 | if (hostapd_flush(hapd)) { | |
493 | wpa_msg(hapd->msg_ctx, MSG_WARNING, | |
494 | "Could not connect to kernel driver"); | |
495 | ret = -1; | |
496 | } | |
6fc6879b | 497 | } |
57a2aaca JM |
498 | if (hapd->conf && hapd->conf->broadcast_deauth) { |
499 | wpa_dbg(hapd->msg_ctx, MSG_DEBUG, | |
500 | "Deauthenticate all stations"); | |
501 | os_memset(addr, 0xff, ETH_ALEN); | |
502 | hostapd_drv_sta_deauth(hapd, addr, reason); | |
503 | } | |
6603a966 | 504 | hostapd_free_stas(hapd); |
6fc6879b JM |
505 | |
506 | return ret; | |
507 | } | |
508 | ||
509 | ||
438e1333 JM |
510 | static void hostapd_bss_deinit_no_free(struct hostapd_data *hapd) |
511 | { | |
512 | hostapd_free_stas(hapd); | |
513 | hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING); | |
514 | hostapd_clear_wep(hapd); | |
515 | } | |
516 | ||
517 | ||
6fc6879b JM |
518 | /** |
519 | * hostapd_validate_bssid_configuration - Validate BSSID configuration | |
520 | * @iface: Pointer to interface data | |
521 | * Returns: 0 on success, -1 on failure | |
522 | * | |
523 | * This function is used to validate that the configured BSSIDs are valid. | |
524 | */ | |
525 | static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface) | |
526 | { | |
527 | u8 mask[ETH_ALEN] = { 0 }; | |
528 | struct hostapd_data *hapd = iface->bss[0]; | |
529 | unsigned int i = iface->conf->num_bss, bits = 0, j; | |
90ac1f9f | 530 | int auto_addr = 0; |
6fc6879b | 531 | |
85141289 JM |
532 | if (hostapd_drv_none(hapd)) |
533 | return 0; | |
534 | ||
6448e064 EP |
535 | if (iface->conf->use_driver_iface_addr) |
536 | return 0; | |
537 | ||
6fc6879b JM |
538 | /* Generate BSSID mask that is large enough to cover the BSSIDs. */ |
539 | ||
540 | /* Determine the bits necessary to cover the number of BSSIDs. */ | |
541 | for (i--; i; i >>= 1) | |
542 | bits++; | |
543 | ||
544 | /* Determine the bits necessary to any configured BSSIDs, | |
545 | if they are higher than the number of BSSIDs. */ | |
546 | for (j = 0; j < iface->conf->num_bss; j++) { | |
902c07a7 | 547 | if (is_zero_ether_addr(iface->conf->bss[j]->bssid)) { |
90ac1f9f JM |
548 | if (j) |
549 | auto_addr++; | |
6fc6879b | 550 | continue; |
90ac1f9f | 551 | } |
6fc6879b JM |
552 | |
553 | for (i = 0; i < ETH_ALEN; i++) { | |
554 | mask[i] |= | |
ebd79f07 | 555 | iface->conf->bss[j]->bssid[i] ^ |
6fc6879b JM |
556 | hapd->own_addr[i]; |
557 | } | |
558 | } | |
559 | ||
90ac1f9f JM |
560 | if (!auto_addr) |
561 | goto skip_mask_ext; | |
562 | ||
6fc6879b JM |
563 | for (i = 0; i < ETH_ALEN && mask[i] == 0; i++) |
564 | ; | |
565 | j = 0; | |
566 | if (i < ETH_ALEN) { | |
567 | j = (5 - i) * 8; | |
568 | ||
569 | while (mask[i] != 0) { | |
570 | mask[i] >>= 1; | |
571 | j++; | |
572 | } | |
573 | } | |
574 | ||
575 | if (bits < j) | |
576 | bits = j; | |
577 | ||
90ac1f9f JM |
578 | if (bits > 40) { |
579 | wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)", | |
580 | bits); | |
6fc6879b | 581 | return -1; |
90ac1f9f | 582 | } |
6fc6879b JM |
583 | |
584 | os_memset(mask, 0xff, ETH_ALEN); | |
585 | j = bits / 8; | |
586 | for (i = 5; i > 5 - j; i--) | |
587 | mask[i] = 0; | |
588 | j = bits % 8; | |
589 | while (j--) | |
590 | mask[i] <<= 1; | |
591 | ||
90ac1f9f | 592 | skip_mask_ext: |
6fc6879b JM |
593 | wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)", |
594 | (unsigned long) iface->conf->num_bss, MAC2STR(mask), bits); | |
595 | ||
90ac1f9f JM |
596 | if (!auto_addr) |
597 | return 0; | |
598 | ||
6fc6879b JM |
599 | for (i = 0; i < ETH_ALEN; i++) { |
600 | if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) { | |
bb305cbd JM |
601 | wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR |
602 | " for start address " MACSTR ".", | |
603 | MAC2STR(mask), MAC2STR(hapd->own_addr)); | |
604 | wpa_printf(MSG_ERROR, "Start address must be the " | |
605 | "first address in the block (i.e., addr " | |
606 | "AND mask == addr)."); | |
6fc6879b JM |
607 | return -1; |
608 | } | |
609 | } | |
610 | ||
611 | return 0; | |
612 | } | |
613 | ||
614 | ||
615 | static int mac_in_conf(struct hostapd_config *conf, const void *a) | |
616 | { | |
617 | size_t i; | |
618 | ||
619 | for (i = 0; i < conf->num_bss; i++) { | |
ebd79f07 | 620 | if (hostapd_mac_comp(conf->bss[i]->bssid, a) == 0) { |
6fc6879b JM |
621 | return 1; |
622 | } | |
623 | } | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
628 | ||
8047a958 JM |
629 | #ifndef CONFIG_NO_RADIUS |
630 | ||
631 | static int hostapd_das_nas_mismatch(struct hostapd_data *hapd, | |
632 | struct radius_das_attrs *attr) | |
633 | { | |
cb10c7d1 JM |
634 | if (attr->nas_identifier && |
635 | (!hapd->conf->nas_identifier || | |
636 | os_strlen(hapd->conf->nas_identifier) != | |
637 | attr->nas_identifier_len || | |
638 | os_memcmp(hapd->conf->nas_identifier, attr->nas_identifier, | |
639 | attr->nas_identifier_len) != 0)) { | |
640 | wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-Identifier mismatch"); | |
641 | return 1; | |
642 | } | |
643 | ||
644 | if (attr->nas_ip_addr && | |
645 | (hapd->conf->own_ip_addr.af != AF_INET || | |
646 | os_memcmp(&hapd->conf->own_ip_addr.u.v4, attr->nas_ip_addr, 4) != | |
647 | 0)) { | |
648 | wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-IP-Address mismatch"); | |
649 | return 1; | |
650 | } | |
651 | ||
652 | #ifdef CONFIG_IPV6 | |
653 | if (attr->nas_ipv6_addr && | |
654 | (hapd->conf->own_ip_addr.af != AF_INET6 || | |
655 | os_memcmp(&hapd->conf->own_ip_addr.u.v6, attr->nas_ipv6_addr, 16) | |
656 | != 0)) { | |
657 | wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-IPv6-Address mismatch"); | |
658 | return 1; | |
659 | } | |
660 | #endif /* CONFIG_IPV6 */ | |
661 | ||
8047a958 JM |
662 | return 0; |
663 | } | |
664 | ||
665 | ||
666 | static struct sta_info * hostapd_das_find_sta(struct hostapd_data *hapd, | |
861beb72 JM |
667 | struct radius_das_attrs *attr, |
668 | int *multi) | |
8047a958 | 669 | { |
861beb72 | 670 | struct sta_info *selected, *sta; |
8047a958 | 671 | char buf[128]; |
861beb72 JM |
672 | int num_attr = 0; |
673 | int count; | |
8047a958 | 674 | |
861beb72 JM |
675 | *multi = 0; |
676 | ||
677 | for (sta = hapd->sta_list; sta; sta = sta->next) | |
678 | sta->radius_das_match = 1; | |
679 | ||
680 | if (attr->sta_addr) { | |
681 | num_attr++; | |
8047a958 | 682 | sta = ap_get_sta(hapd, attr->sta_addr); |
861beb72 JM |
683 | if (!sta) { |
684 | wpa_printf(MSG_DEBUG, | |
685 | "RADIUS DAS: No Calling-Station-Id match"); | |
686 | return NULL; | |
687 | } | |
8047a958 | 688 | |
861beb72 | 689 | selected = sta; |
8047a958 | 690 | for (sta = hapd->sta_list; sta; sta = sta->next) { |
861beb72 JM |
691 | if (sta != selected) |
692 | sta->radius_das_match = 0; | |
693 | } | |
694 | wpa_printf(MSG_DEBUG, "RADIUS DAS: Calling-Station-Id match"); | |
695 | } | |
696 | ||
697 | if (attr->acct_session_id) { | |
698 | num_attr++; | |
d72a0053 | 699 | if (attr->acct_session_id_len != 16) { |
861beb72 JM |
700 | wpa_printf(MSG_DEBUG, |
701 | "RADIUS DAS: Acct-Session-Id cannot match"); | |
702 | return NULL; | |
703 | } | |
704 | count = 0; | |
705 | ||
706 | for (sta = hapd->sta_list; sta; sta = sta->next) { | |
707 | if (!sta->radius_das_match) | |
708 | continue; | |
1492fbb9 NL |
709 | os_snprintf(buf, sizeof(buf), "%016llX", |
710 | (unsigned long long) sta->acct_session_id); | |
d72a0053 | 711 | if (os_memcmp(attr->acct_session_id, buf, 16) != 0) |
861beb72 JM |
712 | sta->radius_das_match = 0; |
713 | else | |
714 | count++; | |
715 | } | |
716 | ||
717 | if (count == 0) { | |
718 | wpa_printf(MSG_DEBUG, | |
719 | "RADIUS DAS: No matches remaining after Acct-Session-Id check"); | |
720 | return NULL; | |
8047a958 | 721 | } |
861beb72 | 722 | wpa_printf(MSG_DEBUG, "RADIUS DAS: Acct-Session-Id match"); |
8047a958 JM |
723 | } |
724 | ||
4e871ed1 JM |
725 | if (attr->acct_multi_session_id) { |
726 | num_attr++; | |
d72a0053 | 727 | if (attr->acct_multi_session_id_len != 16) { |
4e871ed1 JM |
728 | wpa_printf(MSG_DEBUG, |
729 | "RADIUS DAS: Acct-Multi-Session-Id cannot match"); | |
730 | return NULL; | |
731 | } | |
732 | count = 0; | |
733 | ||
734 | for (sta = hapd->sta_list; sta; sta = sta->next) { | |
735 | if (!sta->radius_das_match) | |
736 | continue; | |
737 | if (!sta->eapol_sm || | |
d72a0053 | 738 | !sta->eapol_sm->acct_multi_session_id) { |
4e871ed1 JM |
739 | sta->radius_das_match = 0; |
740 | continue; | |
741 | } | |
1492fbb9 NL |
742 | os_snprintf(buf, sizeof(buf), "%016llX", |
743 | (unsigned long long) | |
d72a0053 NL |
744 | sta->eapol_sm->acct_multi_session_id); |
745 | if (os_memcmp(attr->acct_multi_session_id, buf, 16) != | |
4e871ed1 JM |
746 | 0) |
747 | sta->radius_das_match = 0; | |
748 | else | |
749 | count++; | |
750 | } | |
751 | ||
752 | if (count == 0) { | |
753 | wpa_printf(MSG_DEBUG, | |
754 | "RADIUS DAS: No matches remaining after Acct-Multi-Session-Id check"); | |
755 | return NULL; | |
756 | } | |
757 | wpa_printf(MSG_DEBUG, | |
758 | "RADIUS DAS: Acct-Multi-Session-Id match"); | |
759 | } | |
760 | ||
861beb72 JM |
761 | if (attr->cui) { |
762 | num_attr++; | |
763 | count = 0; | |
764 | ||
302fc0a3 JM |
765 | for (sta = hapd->sta_list; sta; sta = sta->next) { |
766 | struct wpabuf *cui; | |
861beb72 JM |
767 | |
768 | if (!sta->radius_das_match) | |
769 | continue; | |
302fc0a3 | 770 | cui = ieee802_1x_get_radius_cui(sta->eapol_sm); |
861beb72 | 771 | if (!cui || wpabuf_len(cui) != attr->cui_len || |
302fc0a3 | 772 | os_memcmp(wpabuf_head(cui), attr->cui, |
861beb72 JM |
773 | attr->cui_len) != 0) |
774 | sta->radius_das_match = 0; | |
775 | else | |
776 | count++; | |
777 | } | |
778 | ||
779 | if (count == 0) { | |
780 | wpa_printf(MSG_DEBUG, | |
781 | "RADIUS DAS: No matches remaining after Chargeable-User-Identity check"); | |
782 | return NULL; | |
302fc0a3 | 783 | } |
861beb72 JM |
784 | wpa_printf(MSG_DEBUG, |
785 | "RADIUS DAS: Chargeable-User-Identity match"); | |
302fc0a3 JM |
786 | } |
787 | ||
861beb72 JM |
788 | if (attr->user_name) { |
789 | num_attr++; | |
790 | count = 0; | |
791 | ||
8047a958 JM |
792 | for (sta = hapd->sta_list; sta; sta = sta->next) { |
793 | u8 *identity; | |
794 | size_t identity_len; | |
861beb72 JM |
795 | |
796 | if (!sta->radius_das_match) | |
797 | continue; | |
8047a958 JM |
798 | identity = ieee802_1x_get_identity(sta->eapol_sm, |
799 | &identity_len); | |
861beb72 JM |
800 | if (!identity || |
801 | identity_len != attr->user_name_len || | |
8047a958 | 802 | os_memcmp(identity, attr->user_name, identity_len) |
861beb72 JM |
803 | != 0) |
804 | sta->radius_das_match = 0; | |
805 | else | |
806 | count++; | |
807 | } | |
808 | ||
809 | if (count == 0) { | |
810 | wpa_printf(MSG_DEBUG, | |
811 | "RADIUS DAS: No matches remaining after User-Name check"); | |
812 | return NULL; | |
813 | } | |
814 | wpa_printf(MSG_DEBUG, | |
815 | "RADIUS DAS: User-Name match"); | |
816 | } | |
817 | ||
818 | if (num_attr == 0) { | |
819 | /* | |
820 | * In theory, we could match all current associations, but it | |
821 | * seems safer to just reject requests that do not include any | |
822 | * session identification attributes. | |
823 | */ | |
824 | wpa_printf(MSG_DEBUG, | |
825 | "RADIUS DAS: No session identification attributes included"); | |
826 | return NULL; | |
827 | } | |
828 | ||
829 | selected = NULL; | |
830 | for (sta = hapd->sta_list; sta; sta = sta->next) { | |
831 | if (sta->radius_das_match) { | |
832 | if (selected) { | |
833 | *multi = 1; | |
834 | return NULL; | |
835 | } | |
836 | selected = sta; | |
8047a958 JM |
837 | } |
838 | } | |
839 | ||
861beb72 | 840 | return selected; |
8047a958 JM |
841 | } |
842 | ||
843 | ||
cbc210de JM |
844 | static int hostapd_das_disconnect_pmksa(struct hostapd_data *hapd, |
845 | struct radius_das_attrs *attr) | |
846 | { | |
847 | if (!hapd->wpa_auth) | |
848 | return -1; | |
849 | return wpa_auth_radius_das_disconnect_pmksa(hapd->wpa_auth, attr); | |
850 | } | |
851 | ||
852 | ||
8047a958 JM |
853 | static enum radius_das_res |
854 | hostapd_das_disconnect(void *ctx, struct radius_das_attrs *attr) | |
855 | { | |
856 | struct hostapd_data *hapd = ctx; | |
857 | struct sta_info *sta; | |
861beb72 | 858 | int multi; |
8047a958 JM |
859 | |
860 | if (hostapd_das_nas_mismatch(hapd, attr)) | |
861 | return RADIUS_DAS_NAS_MISMATCH; | |
862 | ||
861beb72 JM |
863 | sta = hostapd_das_find_sta(hapd, attr, &multi); |
864 | if (sta == NULL) { | |
865 | if (multi) { | |
866 | wpa_printf(MSG_DEBUG, | |
867 | "RADIUS DAS: Multiple sessions match - not supported"); | |
868 | return RADIUS_DAS_MULTI_SESSION_MATCH; | |
869 | } | |
cbc210de JM |
870 | if (hostapd_das_disconnect_pmksa(hapd, attr) == 0) { |
871 | wpa_printf(MSG_DEBUG, | |
872 | "RADIUS DAS: PMKSA cache entry matched"); | |
873 | return RADIUS_DAS_SUCCESS; | |
874 | } | |
861beb72 | 875 | wpa_printf(MSG_DEBUG, "RADIUS DAS: No matching session found"); |
8047a958 | 876 | return RADIUS_DAS_SESSION_NOT_FOUND; |
861beb72 | 877 | } |
8047a958 | 878 | |
861beb72 JM |
879 | wpa_printf(MSG_DEBUG, "RADIUS DAS: Found a matching session " MACSTR |
880 | " - disconnecting", MAC2STR(sta->addr)); | |
0d7c5e1d JM |
881 | wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr); |
882 | ||
8047a958 JM |
883 | hostapd_drv_sta_deauth(hapd, sta->addr, |
884 | WLAN_REASON_PREV_AUTH_NOT_VALID); | |
885 | ap_sta_deauthenticate(hapd, sta, WLAN_REASON_PREV_AUTH_NOT_VALID); | |
886 | ||
887 | return RADIUS_DAS_SUCCESS; | |
888 | } | |
889 | ||
890 | #endif /* CONFIG_NO_RADIUS */ | |
6fc6879b JM |
891 | |
892 | ||
6fc6879b JM |
893 | /** |
894 | * hostapd_setup_bss - Per-BSS setup (initialization) | |
895 | * @hapd: Pointer to BSS data | |
2aec4f3c JM |
896 | * @first: Whether this BSS is the first BSS of an interface; -1 = not first, |
897 | * but interface may exist | |
6fc6879b JM |
898 | * |
899 | * This function is used to initialize all per-BSS data structures and | |
900 | * resources. This gets called in a loop for each BSS when an interface is | |
901 | * initialized. Most of the modules that are initialized here will be | |
902 | * deinitialized in hostapd_cleanup(). | |
903 | */ | |
904 | static int hostapd_setup_bss(struct hostapd_data *hapd, int first) | |
905 | { | |
906 | struct hostapd_bss_config *conf = hapd->conf; | |
81847c22 | 907 | u8 ssid[SSID_MAX_LEN + 1]; |
6fc6879b | 908 | int ssid_len, set_ssid; |
f3585c8a JM |
909 | char force_ifname[IFNAMSIZ]; |
910 | u8 if_addr[ETH_ALEN]; | |
01e2231f | 911 | int flush_old_stations = 1; |
6fc6879b | 912 | |
36501a22 | 913 | wpa_printf(MSG_DEBUG, "%s(hapd=%p (%s), first=%d)", |
39323bc1 | 914 | __func__, hapd, conf->iface, first); |
36501a22 | 915 | |
10b58b50 | 916 | #ifdef EAP_SERVER_TNC |
39323bc1 | 917 | if (conf->tnc && tncs_global_init() < 0) { |
10b58b50 JM |
918 | wpa_printf(MSG_ERROR, "Failed to initialize TNCS"); |
919 | return -1; | |
920 | } | |
921 | #endif /* EAP_SERVER_TNC */ | |
922 | ||
36501a22 JM |
923 | if (hapd->started) { |
924 | wpa_printf(MSG_ERROR, "%s: Interface %s was already started", | |
39323bc1 | 925 | __func__, conf->iface); |
36501a22 JM |
926 | return -1; |
927 | } | |
928 | hapd->started = 1; | |
929 | ||
2aec4f3c | 930 | if (!first || first == -1) { |
6448e064 EP |
931 | u8 *addr = hapd->own_addr; |
932 | ||
933 | if (!is_zero_ether_addr(conf->bssid)) { | |
6fc6879b | 934 | /* Allocate the configured BSSID. */ |
39323bc1 | 935 | os_memcpy(hapd->own_addr, conf->bssid, ETH_ALEN); |
6fc6879b JM |
936 | |
937 | if (hostapd_mac_comp(hapd->own_addr, | |
938 | hapd->iface->bss[0]->own_addr) == | |
939 | 0) { | |
bb305cbd JM |
940 | wpa_printf(MSG_ERROR, "BSS '%s' may not have " |
941 | "BSSID set to the MAC address of " | |
39323bc1 | 942 | "the radio", conf->iface); |
6fc6879b JM |
943 | return -1; |
944 | } | |
6448e064 EP |
945 | } else if (hapd->iconf->use_driver_iface_addr) { |
946 | addr = NULL; | |
947 | } else { | |
948 | /* Allocate the next available BSSID. */ | |
949 | do { | |
950 | inc_byte_array(hapd->own_addr, ETH_ALEN); | |
951 | } while (mac_in_conf(hapd->iconf, hapd->own_addr)); | |
6fc6879b JM |
952 | } |
953 | ||
6023a788 | 954 | hapd->interface_added = 1; |
22a7c9d7 | 955 | if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS, |
6448e064 | 956 | conf->iface, addr, hapd, |
e17a2477 | 957 | &hapd->drv_priv, force_ifname, if_addr, |
39323bc1 KP |
958 | conf->bridge[0] ? conf->bridge : NULL, |
959 | first == -1)) { | |
bb305cbd JM |
960 | wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID=" |
961 | MACSTR ")", MAC2STR(hapd->own_addr)); | |
493ba877 | 962 | hapd->interface_added = 0; |
6fc6879b JM |
963 | return -1; |
964 | } | |
6448e064 EP |
965 | |
966 | if (!addr) | |
967 | os_memcpy(hapd->own_addr, if_addr, ETH_ALEN); | |
6fc6879b JM |
968 | } |
969 | ||
d2da2249 JB |
970 | if (conf->wmm_enabled < 0) |
971 | conf->wmm_enabled = hapd->iconf->ieee80211n; | |
972 | ||
4ec1fd8e | 973 | #ifdef CONFIG_IEEE80211R_AP |
d48d1b88 MB |
974 | if (is_zero_ether_addr(conf->r1_key_holder)) |
975 | os_memcpy(conf->r1_key_holder, hapd->own_addr, ETH_ALEN); | |
4ec1fd8e | 976 | #endif /* CONFIG_IEEE80211R_AP */ |
d48d1b88 | 977 | |
01e2231f | 978 | #ifdef CONFIG_MESH |
21ed24f5 | 979 | if ((hapd->conf->mesh & MESH_ENABLED) && hapd->iface->mconf == NULL) |
01e2231f JL |
980 | flush_old_stations = 0; |
981 | #endif /* CONFIG_MESH */ | |
982 | ||
983 | if (flush_old_stations) | |
984 | hostapd_flush_old_stations(hapd, | |
985 | WLAN_REASON_PREV_AUTH_NOT_VALID); | |
c213cc04 JM |
986 | hostapd_set_privacy(hapd, 0); |
987 | ||
988 | hostapd_broadcast_wep_clear(hapd); | |
39323bc1 | 989 | if (hostapd_setup_encryption(conf->iface, hapd)) |
c213cc04 JM |
990 | return -1; |
991 | ||
6fc6879b JM |
992 | /* |
993 | * Fetch the SSID from the system and use it or, | |
994 | * if one was specified in the config file, verify they | |
995 | * match. | |
996 | */ | |
997 | ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid)); | |
998 | if (ssid_len < 0) { | |
bb305cbd | 999 | wpa_printf(MSG_ERROR, "Could not read SSID from system"); |
6fc6879b JM |
1000 | return -1; |
1001 | } | |
1002 | if (conf->ssid.ssid_set) { | |
1003 | /* | |
1004 | * If SSID is specified in the config file and it differs | |
1005 | * from what is being used then force installation of the | |
1006 | * new SSID. | |
1007 | */ | |
1008 | set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len || | |
1009 | os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0); | |
1010 | } else { | |
1011 | /* | |
1012 | * No SSID in the config file; just use the one we got | |
1013 | * from the system. | |
1014 | */ | |
1015 | set_ssid = 0; | |
1016 | conf->ssid.ssid_len = ssid_len; | |
1017 | os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len); | |
6fc6879b JM |
1018 | } |
1019 | ||
85141289 | 1020 | if (!hostapd_drv_none(hapd)) { |
bb305cbd | 1021 | wpa_printf(MSG_ERROR, "Using interface %s with hwaddr " MACSTR |
986de33d | 1022 | " and ssid \"%s\"", |
39323bc1 KP |
1023 | conf->iface, MAC2STR(hapd->own_addr), |
1024 | wpa_ssid_txt(conf->ssid.ssid, conf->ssid.ssid_len)); | |
85141289 | 1025 | } |
6fc6879b JM |
1026 | |
1027 | if (hostapd_setup_wpa_psk(conf)) { | |
bb305cbd | 1028 | wpa_printf(MSG_ERROR, "WPA-PSK setup failed."); |
6fc6879b JM |
1029 | return -1; |
1030 | } | |
1031 | ||
6fc6879b JM |
1032 | /* Set SSID for the kernel driver (to be used in beacon and probe |
1033 | * response frames) */ | |
986de33d | 1034 | if (set_ssid && hostapd_set_ssid(hapd, conf->ssid.ssid, |
6fc6879b | 1035 | conf->ssid.ssid_len)) { |
bb305cbd | 1036 | wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver"); |
6fc6879b JM |
1037 | return -1; |
1038 | } | |
1039 | ||
ec33bc67 | 1040 | if (wpa_debug_level <= MSG_MSGDUMP) |
6fc6879b | 1041 | conf->radius->msg_dumps = 1; |
74784010 | 1042 | #ifndef CONFIG_NO_RADIUS |
6fc6879b JM |
1043 | hapd->radius = radius_client_init(hapd, conf->radius); |
1044 | if (hapd->radius == NULL) { | |
bb305cbd | 1045 | wpa_printf(MSG_ERROR, "RADIUS client initialization failed."); |
6fc6879b JM |
1046 | return -1; |
1047 | } | |
b031338c | 1048 | |
39323bc1 | 1049 | if (conf->radius_das_port) { |
b031338c JM |
1050 | struct radius_das_conf das_conf; |
1051 | os_memset(&das_conf, 0, sizeof(das_conf)); | |
39323bc1 KP |
1052 | das_conf.port = conf->radius_das_port; |
1053 | das_conf.shared_secret = conf->radius_das_shared_secret; | |
b031338c | 1054 | das_conf.shared_secret_len = |
39323bc1 KP |
1055 | conf->radius_das_shared_secret_len; |
1056 | das_conf.client_addr = &conf->radius_das_client_addr; | |
1057 | das_conf.time_window = conf->radius_das_time_window; | |
bde7ba6c | 1058 | das_conf.require_event_timestamp = |
39323bc1 | 1059 | conf->radius_das_require_event_timestamp; |
42d30e9e NL |
1060 | das_conf.require_message_authenticator = |
1061 | conf->radius_das_require_message_authenticator; | |
8047a958 JM |
1062 | das_conf.ctx = hapd; |
1063 | das_conf.disconnect = hostapd_das_disconnect; | |
b031338c JM |
1064 | hapd->radius_das = radius_das_init(&das_conf); |
1065 | if (hapd->radius_das == NULL) { | |
1066 | wpa_printf(MSG_ERROR, "RADIUS DAS initialization " | |
1067 | "failed."); | |
1068 | return -1; | |
1069 | } | |
1070 | } | |
74784010 | 1071 | #endif /* CONFIG_NO_RADIUS */ |
6fc6879b JM |
1072 | |
1073 | if (hostapd_acl_init(hapd)) { | |
bb305cbd | 1074 | wpa_printf(MSG_ERROR, "ACL initialization failed."); |
6fc6879b JM |
1075 | return -1; |
1076 | } | |
ad08c363 JM |
1077 | if (hostapd_init_wps(hapd, conf)) |
1078 | return -1; | |
6fc6879b | 1079 | |
43a7fe2e CL |
1080 | if (authsrv_init(hapd) < 0) |
1081 | return -1; | |
1082 | ||
6fc6879b | 1083 | if (ieee802_1x_init(hapd)) { |
bb305cbd | 1084 | wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed."); |
6fc6879b JM |
1085 | return -1; |
1086 | } | |
1087 | ||
39323bc1 | 1088 | if ((conf->wpa || conf->osen) && hostapd_setup_wpa(hapd)) |
6fc6879b JM |
1089 | return -1; |
1090 | ||
1091 | if (accounting_init(hapd)) { | |
bb305cbd | 1092 | wpa_printf(MSG_ERROR, "Accounting initialization failed."); |
6fc6879b JM |
1093 | return -1; |
1094 | } | |
1095 | ||
39323bc1 KP |
1096 | if (conf->ieee802_11f && |
1097 | (hapd->iapp = iapp_init(hapd, conf->iapp_iface)) == NULL) { | |
bb305cbd JM |
1098 | wpa_printf(MSG_ERROR, "IEEE 802.11F (IAPP) initialization " |
1099 | "failed."); | |
6fc6879b JM |
1100 | return -1; |
1101 | } | |
1102 | ||
dca30c3f JK |
1103 | #ifdef CONFIG_INTERWORKING |
1104 | if (gas_serv_init(hapd)) { | |
1105 | wpa_printf(MSG_ERROR, "GAS server initialization failed"); | |
1106 | return -1; | |
1107 | } | |
bf7f09bd JM |
1108 | |
1109 | if (conf->qos_map_set_len && | |
1110 | hostapd_drv_set_qos_map(hapd, conf->qos_map_set, | |
1111 | conf->qos_map_set_len)) { | |
1112 | wpa_printf(MSG_ERROR, "Failed to initialize QoS Map"); | |
1113 | return -1; | |
1114 | } | |
dca30c3f JK |
1115 | #endif /* CONFIG_INTERWORKING */ |
1116 | ||
ec8f36af KP |
1117 | if (conf->bss_load_update_period && bss_load_update_init(hapd)) { |
1118 | wpa_printf(MSG_ERROR, "BSS Load initialization failed"); | |
1119 | return -1; | |
1120 | } | |
1121 | ||
1d783762 KP |
1122 | if (conf->proxy_arp) { |
1123 | if (x_snoop_init(hapd)) { | |
1124 | wpa_printf(MSG_ERROR, | |
1125 | "Generic snooping infrastructure initialization failed"); | |
1126 | return -1; | |
1127 | } | |
1128 | ||
1129 | if (dhcp_snoop_init(hapd)) { | |
1130 | wpa_printf(MSG_ERROR, | |
1131 | "DHCP snooping initialization failed"); | |
1132 | return -1; | |
1133 | } | |
bd00c431 KP |
1134 | |
1135 | if (ndisc_snoop_init(hapd)) { | |
1136 | wpa_printf(MSG_ERROR, | |
1137 | "Neighbor Discovery snooping initialization failed"); | |
1138 | return -1; | |
1139 | } | |
7d597d46 KP |
1140 | } |
1141 | ||
85141289 | 1142 | if (!hostapd_drv_none(hapd) && vlan_init(hapd)) { |
bb305cbd | 1143 | wpa_printf(MSG_ERROR, "VLAN initialization failed."); |
6fc6879b JM |
1144 | return -1; |
1145 | } | |
1146 | ||
39323bc1 | 1147 | if (!conf->start_disabled && ieee802_11_set_beacon(hapd) < 0) |
bad5cdf4 | 1148 | return -1; |
6fc6879b | 1149 | |
bdffdc5d JM |
1150 | if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0) |
1151 | return -1; | |
1152 | ||
e11f5a2c JM |
1153 | if (hapd->driver && hapd->driver->set_operstate) |
1154 | hapd->driver->set_operstate(hapd->drv_priv, 1); | |
1155 | ||
6fc6879b JM |
1156 | return 0; |
1157 | } | |
1158 | ||
1159 | ||
990ec378 JM |
1160 | static void hostapd_tx_queue_params(struct hostapd_iface *iface) |
1161 | { | |
1162 | struct hostapd_data *hapd = iface->bss[0]; | |
1163 | int i; | |
1164 | struct hostapd_tx_queue_params *p; | |
1165 | ||
01e2231f | 1166 | #ifdef CONFIG_MESH |
21ed24f5 | 1167 | if ((hapd->conf->mesh & MESH_ENABLED) && iface->mconf == NULL) |
01e2231f JL |
1168 | return; |
1169 | #endif /* CONFIG_MESH */ | |
1170 | ||
990ec378 JM |
1171 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
1172 | p = &iface->conf->tx_queue[i]; | |
1173 | ||
990ec378 JM |
1174 | if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin, |
1175 | p->cwmax, p->burst)) { | |
bb305cbd JM |
1176 | wpa_printf(MSG_DEBUG, "Failed to set TX queue " |
1177 | "parameters for queue %d.", i); | |
990ec378 JM |
1178 | /* Continue anyway */ |
1179 | } | |
1180 | } | |
1181 | } | |
1182 | ||
1183 | ||
3c4ca363 VN |
1184 | static int hostapd_set_acl_list(struct hostapd_data *hapd, |
1185 | struct mac_acl_entry *mac_acl, | |
1186 | int n_entries, u8 accept_acl) | |
1187 | { | |
1188 | struct hostapd_acl_params *acl_params; | |
1189 | int i, err; | |
1190 | ||
1191 | acl_params = os_zalloc(sizeof(*acl_params) + | |
1192 | (n_entries * sizeof(acl_params->mac_acl[0]))); | |
1193 | if (!acl_params) | |
1194 | return -ENOMEM; | |
1195 | ||
1196 | for (i = 0; i < n_entries; i++) | |
1197 | os_memcpy(acl_params->mac_acl[i].addr, mac_acl[i].addr, | |
1198 | ETH_ALEN); | |
1199 | ||
1200 | acl_params->acl_policy = accept_acl; | |
1201 | acl_params->num_mac_acl = n_entries; | |
1202 | ||
1203 | err = hostapd_drv_set_acl(hapd, acl_params); | |
1204 | ||
1205 | os_free(acl_params); | |
1206 | ||
1207 | return err; | |
1208 | } | |
1209 | ||
1210 | ||
1211 | static void hostapd_set_acl(struct hostapd_data *hapd) | |
1212 | { | |
1213 | struct hostapd_config *conf = hapd->iconf; | |
1214 | int err; | |
1215 | u8 accept_acl; | |
1216 | ||
3cb953e4 JM |
1217 | if (hapd->iface->drv_max_acl_mac_addrs == 0) |
1218 | return; | |
3c4ca363 | 1219 | |
ebd79f07 | 1220 | if (conf->bss[0]->macaddr_acl == DENY_UNLESS_ACCEPTED) { |
cf1600ac AHS |
1221 | accept_acl = 1; |
1222 | err = hostapd_set_acl_list(hapd, conf->bss[0]->accept_mac, | |
1223 | conf->bss[0]->num_accept_mac, | |
1224 | accept_acl); | |
1225 | if (err) { | |
1226 | wpa_printf(MSG_DEBUG, "Failed to set accept acl"); | |
1227 | return; | |
3c4ca363 | 1228 | } |
ebd79f07 | 1229 | } else if (conf->bss[0]->macaddr_acl == ACCEPT_UNLESS_DENIED) { |
cf1600ac AHS |
1230 | accept_acl = 0; |
1231 | err = hostapd_set_acl_list(hapd, conf->bss[0]->deny_mac, | |
1232 | conf->bss[0]->num_deny_mac, | |
1233 | accept_acl); | |
1234 | if (err) { | |
1235 | wpa_printf(MSG_DEBUG, "Failed to set deny acl"); | |
1236 | return; | |
3c4ca363 VN |
1237 | } |
1238 | } | |
1239 | } | |
1240 | ||
1241 | ||
ad08e141 JM |
1242 | static int start_ctrl_iface_bss(struct hostapd_data *hapd) |
1243 | { | |
1244 | if (!hapd->iface->interfaces || | |
1245 | !hapd->iface->interfaces->ctrl_iface_init) | |
1246 | return 0; | |
1247 | ||
1248 | if (hapd->iface->interfaces->ctrl_iface_init(hapd)) { | |
1249 | wpa_printf(MSG_ERROR, | |
1250 | "Failed to setup control interface for %s", | |
1251 | hapd->conf->iface); | |
1252 | return -1; | |
1253 | } | |
1254 | ||
1255 | return 0; | |
1256 | } | |
1257 | ||
1258 | ||
1259 | static int start_ctrl_iface(struct hostapd_iface *iface) | |
1260 | { | |
1261 | size_t i; | |
1262 | ||
1263 | if (!iface->interfaces || !iface->interfaces->ctrl_iface_init) | |
1264 | return 0; | |
1265 | ||
1266 | for (i = 0; i < iface->num_bss; i++) { | |
1267 | struct hostapd_data *hapd = iface->bss[i]; | |
1268 | if (iface->interfaces->ctrl_iface_init(hapd)) { | |
1269 | wpa_printf(MSG_ERROR, | |
1270 | "Failed to setup control interface for %s", | |
1271 | hapd->conf->iface); | |
1272 | return -1; | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | return 0; | |
1277 | } | |
1278 | ||
1279 | ||
f0793bf1 JM |
1280 | static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx) |
1281 | { | |
1282 | struct hostapd_iface *iface = eloop_ctx; | |
1283 | ||
1284 | if (!iface->wait_channel_update) { | |
1285 | wpa_printf(MSG_INFO, "Channel list update timeout, but interface was not waiting for it"); | |
1286 | return; | |
1287 | } | |
1288 | ||
1289 | /* | |
1290 | * It is possible that the existing channel list is acceptable, so try | |
1291 | * to proceed. | |
1292 | */ | |
1293 | wpa_printf(MSG_DEBUG, "Channel list update timeout - try to continue anyway"); | |
1294 | setup_interface2(iface); | |
1295 | } | |
1296 | ||
1297 | ||
795baf77 | 1298 | void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator) |
f0793bf1 | 1299 | { |
795baf77 | 1300 | if (!iface->wait_channel_update || initiator != REGDOM_SET_BY_USER) |
f0793bf1 JM |
1301 | return; |
1302 | ||
1303 | wpa_printf(MSG_DEBUG, "Channel list updated - continue setup"); | |
1304 | eloop_cancel_timeout(channel_list_update_timeout, iface, NULL); | |
1305 | setup_interface2(iface); | |
1306 | } | |
1307 | ||
1308 | ||
ddaa83eb | 1309 | static int setup_interface(struct hostapd_iface *iface) |
6fc6879b JM |
1310 | { |
1311 | struct hostapd_data *hapd = iface->bss[0]; | |
6fc6879b | 1312 | size_t i; |
6fc6879b | 1313 | |
354c903f MB |
1314 | /* |
1315 | * It is possible that setup_interface() is called after the interface | |
1316 | * was disabled etc., in which case driver_ap_teardown is possibly set | |
1317 | * to 1. Clear it here so any other key/station deletion, which is not | |
1318 | * part of a teardown flow, would also call the relevant driver | |
1319 | * callbacks. | |
1320 | */ | |
1321 | iface->driver_ap_teardown = 0; | |
1322 | ||
2db938e8 JM |
1323 | if (!iface->phy[0]) { |
1324 | const char *phy = hostapd_drv_get_radio_name(hapd); | |
1325 | if (phy) { | |
1326 | wpa_printf(MSG_DEBUG, "phy: %s", phy); | |
1327 | os_strlcpy(iface->phy, phy, sizeof(iface->phy)); | |
1328 | } | |
1329 | } | |
1330 | ||
6fc6879b | 1331 | /* |
e5f2b59c JM |
1332 | * Make sure that all BSSes get configured with a pointer to the same |
1333 | * driver interface. | |
6fc6879b | 1334 | */ |
e5f2b59c | 1335 | for (i = 1; i < iface->num_bss; i++) { |
6fc6879b JM |
1336 | iface->bss[i]->driver = hapd->driver; |
1337 | iface->bss[i]->drv_priv = hapd->drv_priv; | |
1338 | } | |
1339 | ||
1340 | if (hostapd_validate_bssid_configuration(iface)) | |
1341 | return -1; | |
1342 | ||
ad08e141 JM |
1343 | /* |
1344 | * Initialize control interfaces early to allow external monitoring of | |
1345 | * channel setup operations that may take considerable amount of time | |
1346 | * especially for DFS cases. | |
1347 | */ | |
1348 | if (start_ctrl_iface(iface)) | |
1349 | return -1; | |
1350 | ||
6f4071c0 | 1351 | if (hapd->iconf->country[0] && hapd->iconf->country[1]) { |
f0793bf1 JM |
1352 | char country[4], previous_country[4]; |
1353 | ||
e1c5faf0 | 1354 | hostapd_set_state(iface, HAPD_IFACE_COUNTRY_UPDATE); |
f0793bf1 JM |
1355 | if (hostapd_get_country(hapd, previous_country) < 0) |
1356 | previous_country[0] = '\0'; | |
1357 | ||
6f4071c0 JM |
1358 | os_memcpy(country, hapd->iconf->country, 3); |
1359 | country[3] = '\0'; | |
1360 | if (hostapd_set_country(hapd, country) < 0) { | |
1361 | wpa_printf(MSG_ERROR, "Failed to set country code"); | |
1362 | return -1; | |
1363 | } | |
f0793bf1 JM |
1364 | |
1365 | wpa_printf(MSG_DEBUG, "Previous country code %s, new country code %s", | |
1366 | previous_country, country); | |
1367 | ||
1368 | if (os_strncmp(previous_country, country, 2) != 0) { | |
1369 | wpa_printf(MSG_DEBUG, "Continue interface setup after channel list update"); | |
1370 | iface->wait_channel_update = 1; | |
fd924134 | 1371 | eloop_register_timeout(5, 0, |
f0793bf1 JM |
1372 | channel_list_update_timeout, |
1373 | iface, NULL); | |
1374 | return 0; | |
1375 | } | |
6fc6879b JM |
1376 | } |
1377 | ||
f0793bf1 JM |
1378 | return setup_interface2(iface); |
1379 | } | |
1380 | ||
1381 | ||
1382 | static int setup_interface2(struct hostapd_iface *iface) | |
1383 | { | |
1384 | iface->wait_channel_update = 0; | |
1385 | ||
6fc6879b JM |
1386 | if (hostapd_get_hw_features(iface)) { |
1387 | /* Not all drivers support this yet, so continue without hw | |
1388 | * feature data. */ | |
1389 | } else { | |
ddaa83eb JM |
1390 | int ret = hostapd_select_hw_mode(iface); |
1391 | if (ret < 0) { | |
bb305cbd JM |
1392 | wpa_printf(MSG_ERROR, "Could not select hw_mode and " |
1393 | "channel. (%d)", ret); | |
0f23a5e7 | 1394 | goto fail; |
ddaa83eb | 1395 | } |
50f4f2a0 MK |
1396 | if (ret == 1) { |
1397 | wpa_printf(MSG_DEBUG, "Interface initialization will be completed in a callback (ACS)"); | |
1398 | return 0; | |
1399 | } | |
ad1e68e6 JM |
1400 | ret = hostapd_check_ht_capab(iface); |
1401 | if (ret < 0) | |
0f23a5e7 | 1402 | goto fail; |
ad1e68e6 JM |
1403 | if (ret == 1) { |
1404 | wpa_printf(MSG_DEBUG, "Interface initialization will " | |
1405 | "be completed in a callback"); | |
1406 | return 0; | |
1407 | } | |
e76da505 JD |
1408 | |
1409 | if (iface->conf->ieee80211h) | |
1410 | wpa_printf(MSG_DEBUG, "DFS support is enabled"); | |
ad1e68e6 JM |
1411 | } |
1412 | return hostapd_setup_interface_complete(iface, 0); | |
0f23a5e7 JM |
1413 | |
1414 | fail: | |
1415 | hostapd_set_state(iface, HAPD_IFACE_DISABLED); | |
1416 | wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED); | |
1417 | if (iface->interfaces && iface->interfaces->terminate_on_error) | |
1418 | eloop_terminate(); | |
1419 | return -1; | |
ad1e68e6 JM |
1420 | } |
1421 | ||
1422 | ||
6959145b AN |
1423 | #ifdef CONFIG_FST |
1424 | ||
1425 | static const u8 * fst_hostapd_get_bssid_cb(void *ctx) | |
1426 | { | |
1427 | struct hostapd_data *hapd = ctx; | |
1428 | ||
1429 | return hapd->own_addr; | |
1430 | } | |
1431 | ||
1432 | ||
1433 | static void fst_hostapd_get_channel_info_cb(void *ctx, | |
1434 | enum hostapd_hw_mode *hw_mode, | |
1435 | u8 *channel) | |
1436 | { | |
1437 | struct hostapd_data *hapd = ctx; | |
1438 | ||
1439 | *hw_mode = ieee80211_freq_to_chan(hapd->iface->freq, channel); | |
1440 | } | |
1441 | ||
1442 | ||
84bcb4e7 | 1443 | static void fst_hostapd_set_ies_cb(void *ctx, const struct wpabuf *fst_ies) |
6959145b AN |
1444 | { |
1445 | struct hostapd_data *hapd = ctx; | |
1446 | ||
1447 | if (hapd->iface->fst_ies != fst_ies) { | |
1448 | hapd->iface->fst_ies = fst_ies; | |
1449 | if (ieee802_11_set_beacon(hapd)) | |
1450 | wpa_printf(MSG_WARNING, "FST: Cannot set beacon"); | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | ||
1455 | static int fst_hostapd_send_action_cb(void *ctx, const u8 *da, | |
1456 | struct wpabuf *buf) | |
1457 | { | |
1458 | struct hostapd_data *hapd = ctx; | |
1459 | ||
1460 | return hostapd_drv_send_action(hapd, hapd->iface->freq, 0, da, | |
1461 | wpabuf_head(buf), wpabuf_len(buf)); | |
1462 | } | |
1463 | ||
1464 | ||
a0f04da5 | 1465 | static const struct wpabuf * fst_hostapd_get_mb_ie_cb(void *ctx, const u8 *addr) |
6959145b AN |
1466 | { |
1467 | struct hostapd_data *hapd = ctx; | |
1468 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
1469 | ||
1470 | return sta ? sta->mb_ies : NULL; | |
1471 | } | |
1472 | ||
1473 | ||
1474 | static void fst_hostapd_update_mb_ie_cb(void *ctx, const u8 *addr, | |
1475 | const u8 *buf, size_t size) | |
1476 | { | |
1477 | struct hostapd_data *hapd = ctx; | |
1478 | struct sta_info *sta = ap_get_sta(hapd, addr); | |
1479 | ||
1480 | if (sta) { | |
1481 | struct mb_ies_info info; | |
1482 | ||
1483 | if (!mb_ies_info_by_ies(&info, buf, size)) { | |
1484 | wpabuf_free(sta->mb_ies); | |
1485 | sta->mb_ies = mb_ies_by_info(&info); | |
1486 | } | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | ||
1491 | static const u8 * fst_hostapd_get_sta(struct fst_get_peer_ctx **get_ctx, | |
1492 | Boolean mb_only) | |
1493 | { | |
1494 | struct sta_info *s = (struct sta_info *) *get_ctx; | |
1495 | ||
1496 | if (mb_only) { | |
1497 | for (; s && !s->mb_ies; s = s->next) | |
1498 | ; | |
1499 | } | |
1500 | ||
1501 | if (s) { | |
1502 | *get_ctx = (struct fst_get_peer_ctx *) s->next; | |
1503 | ||
1504 | return s->addr; | |
1505 | } | |
1506 | ||
1507 | *get_ctx = NULL; | |
1508 | return NULL; | |
1509 | } | |
1510 | ||
1511 | ||
1512 | static const u8 * fst_hostapd_get_peer_first(void *ctx, | |
1513 | struct fst_get_peer_ctx **get_ctx, | |
1514 | Boolean mb_only) | |
1515 | { | |
1516 | struct hostapd_data *hapd = ctx; | |
1517 | ||
1518 | *get_ctx = (struct fst_get_peer_ctx *) hapd->sta_list; | |
1519 | ||
1520 | return fst_hostapd_get_sta(get_ctx, mb_only); | |
1521 | } | |
1522 | ||
1523 | ||
1524 | static const u8 * fst_hostapd_get_peer_next(void *ctx, | |
1525 | struct fst_get_peer_ctx **get_ctx, | |
1526 | Boolean mb_only) | |
1527 | { | |
1528 | return fst_hostapd_get_sta(get_ctx, mb_only); | |
1529 | } | |
1530 | ||
1531 | ||
1532 | void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd, | |
1533 | struct fst_wpa_obj *iface_obj) | |
1534 | { | |
1535 | iface_obj->ctx = hapd; | |
1536 | iface_obj->get_bssid = fst_hostapd_get_bssid_cb; | |
1537 | iface_obj->get_channel_info = fst_hostapd_get_channel_info_cb; | |
1538 | iface_obj->set_ies = fst_hostapd_set_ies_cb; | |
1539 | iface_obj->send_action = fst_hostapd_send_action_cb; | |
1540 | iface_obj->get_mb_ie = fst_hostapd_get_mb_ie_cb; | |
1541 | iface_obj->update_mb_ie = fst_hostapd_update_mb_ie_cb; | |
1542 | iface_obj->get_peer_first = fst_hostapd_get_peer_first; | |
1543 | iface_obj->get_peer_next = fst_hostapd_get_peer_next; | |
1544 | } | |
1545 | ||
1546 | #endif /* CONFIG_FST */ | |
1547 | ||
1548 | ||
061269b3 DS |
1549 | #ifdef NEED_AP_MLME |
1550 | static enum nr_chan_width hostapd_get_nr_chan_width(struct hostapd_data *hapd, | |
1551 | int ht, int vht) | |
1552 | { | |
1553 | if (!ht && !vht) | |
1554 | return NR_CHAN_WIDTH_20; | |
1555 | if (!hapd->iconf->secondary_channel) | |
1556 | return NR_CHAN_WIDTH_20; | |
1557 | if (!vht || hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_USE_HT) | |
1558 | return NR_CHAN_WIDTH_40; | |
1559 | if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_80MHZ) | |
1560 | return NR_CHAN_WIDTH_80; | |
1561 | if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_160MHZ) | |
1562 | return NR_CHAN_WIDTH_160; | |
1563 | if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_80P80MHZ) | |
1564 | return NR_CHAN_WIDTH_80P80; | |
1565 | return NR_CHAN_WIDTH_20; | |
1566 | } | |
1567 | #endif /* NEED_AP_MLME */ | |
1568 | ||
1569 | ||
1570 | static void hostapd_set_own_neighbor_report(struct hostapd_data *hapd) | |
1571 | { | |
1572 | #ifdef NEED_AP_MLME | |
1573 | u16 capab = hostapd_own_capab_info(hapd); | |
1574 | int ht = hapd->iconf->ieee80211n && !hapd->conf->disable_11n; | |
1575 | int vht = hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac; | |
1576 | struct wpa_ssid_value ssid; | |
1577 | u8 channel, op_class; | |
f0259c3f | 1578 | u8 center_freq1_idx = 0, center_freq2_idx = 0; |
061269b3 DS |
1579 | enum nr_chan_width width; |
1580 | u32 bssid_info; | |
1581 | struct wpabuf *nr; | |
1582 | ||
1583 | if (!(hapd->conf->radio_measurements[0] & | |
1584 | WLAN_RRM_CAPS_NEIGHBOR_REPORT)) | |
1585 | return; | |
1586 | ||
1587 | bssid_info = 3; /* AP is reachable */ | |
1588 | bssid_info |= NEI_REP_BSSID_INFO_SECURITY; /* "same as the AP" */ | |
1589 | bssid_info |= NEI_REP_BSSID_INFO_KEY_SCOPE; /* "same as the AP" */ | |
1590 | ||
1591 | if (capab & WLAN_CAPABILITY_SPECTRUM_MGMT) | |
1592 | bssid_info |= NEI_REP_BSSID_INFO_SPECTRUM_MGMT; | |
1593 | ||
1594 | bssid_info |= NEI_REP_BSSID_INFO_RM; /* RRM is supported */ | |
1595 | ||
1596 | if (hapd->conf->wmm_enabled) { | |
1597 | bssid_info |= NEI_REP_BSSID_INFO_QOS; | |
1598 | ||
1599 | if (hapd->conf->wmm_uapsd && | |
1600 | (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD)) | |
1601 | bssid_info |= NEI_REP_BSSID_INFO_APSD; | |
1602 | } | |
1603 | ||
1604 | if (ht) { | |
1605 | bssid_info |= NEI_REP_BSSID_INFO_HT | | |
1606 | NEI_REP_BSSID_INFO_DELAYED_BA; | |
1607 | ||
1608 | /* VHT bit added in IEEE P802.11-REVmc/D4.3 */ | |
1609 | if (vht) | |
1610 | bssid_info |= NEI_REP_BSSID_INFO_VHT; | |
1611 | } | |
1612 | ||
1613 | /* TODO: Set NEI_REP_BSSID_INFO_MOBILITY_DOMAIN if MDE is set */ | |
1614 | ||
f5687741 JM |
1615 | if (ieee80211_freq_to_channel_ext(hapd->iface->freq, |
1616 | hapd->iconf->secondary_channel, | |
1617 | hapd->iconf->vht_oper_chwidth, | |
1618 | &op_class, &channel) == | |
1619 | NUM_HOSTAPD_MODES) | |
1620 | return; | |
061269b3 DS |
1621 | width = hostapd_get_nr_chan_width(hapd, ht, vht); |
1622 | if (vht) { | |
f0259c3f | 1623 | center_freq1_idx = hapd->iconf->vht_oper_centr_freq_seg0_idx; |
061269b3 | 1624 | if (width == NR_CHAN_WIDTH_80P80) |
f0259c3f BL |
1625 | center_freq2_idx = |
1626 | hapd->iconf->vht_oper_centr_freq_seg1_idx; | |
061269b3 | 1627 | } else if (ht) { |
f0259c3f BL |
1628 | ieee80211_freq_to_chan(hapd->iface->freq + |
1629 | 10 * hapd->iconf->secondary_channel, | |
1630 | ¢er_freq1_idx); | |
061269b3 DS |
1631 | } |
1632 | ||
1633 | ssid.ssid_len = hapd->conf->ssid.ssid_len; | |
1634 | os_memcpy(ssid.ssid, hapd->conf->ssid.ssid, ssid.ssid_len); | |
1635 | ||
1636 | /* | |
1637 | * Neighbor Report element size = BSSID + BSSID info + op_class + chan + | |
1638 | * phy type + wide bandwidth channel subelement. | |
1639 | */ | |
1640 | nr = wpabuf_alloc(ETH_ALEN + 4 + 1 + 1 + 1 + 5); | |
1641 | if (!nr) | |
1642 | return; | |
1643 | ||
1644 | wpabuf_put_data(nr, hapd->own_addr, ETH_ALEN); | |
1645 | wpabuf_put_le32(nr, bssid_info); | |
1646 | wpabuf_put_u8(nr, op_class); | |
1647 | wpabuf_put_u8(nr, channel); | |
1648 | wpabuf_put_u8(nr, ieee80211_get_phy_type(hapd->iface->freq, ht, vht)); | |
1649 | ||
1650 | /* | |
1651 | * Wide Bandwidth Channel subelement may be needed to allow the | |
1652 | * receiving STA to send packets to the AP. See IEEE P802.11-REVmc/D5.0 | |
1653 | * Figure 9-301. | |
1654 | */ | |
1655 | wpabuf_put_u8(nr, WNM_NEIGHBOR_WIDE_BW_CHAN); | |
1656 | wpabuf_put_u8(nr, 3); | |
1657 | wpabuf_put_u8(nr, width); | |
f0259c3f BL |
1658 | wpabuf_put_u8(nr, center_freq1_idx); |
1659 | wpabuf_put_u8(nr, center_freq2_idx); | |
061269b3 DS |
1660 | |
1661 | hostapd_neighbor_set(hapd, hapd->own_addr, &ssid, nr, hapd->iconf->lci, | |
451a27b1 | 1662 | hapd->iconf->civic, hapd->iconf->stationary_ap); |
061269b3 DS |
1663 | |
1664 | wpabuf_free(nr); | |
1665 | #endif /* NEED_AP_MLME */ | |
1666 | } | |
1667 | ||
1668 | ||
053693d2 SD |
1669 | static int hostapd_setup_interface_complete_sync(struct hostapd_iface *iface, |
1670 | int err) | |
ad1e68e6 JM |
1671 | { |
1672 | struct hostapd_data *hapd = iface->bss[0]; | |
ad1e68e6 JM |
1673 | size_t j; |
1674 | u8 *prev_addr; | |
01e2231f | 1675 | int delay_apply_cfg = 0; |
c13578c3 | 1676 | int res_dfs_offload = 0; |
ad1e68e6 | 1677 | |
0f23a5e7 JM |
1678 | if (err) |
1679 | goto fail; | |
6fc6879b | 1680 | |
ad1e68e6 | 1681 | wpa_printf(MSG_DEBUG, "Completing interface initialization"); |
dc036d9e | 1682 | if (iface->conf->channel) { |
e76da505 JD |
1683 | #ifdef NEED_AP_MLME |
1684 | int res; | |
1685 | #endif /* NEED_AP_MLME */ | |
1686 | ||
dc036d9e | 1687 | iface->freq = hostapd_hw_get_freq(hapd, iface->conf->channel); |
bb305cbd JM |
1688 | wpa_printf(MSG_DEBUG, "Mode: %s Channel: %d " |
1689 | "Frequency: %d MHz", | |
dc036d9e JM |
1690 | hostapd_hw_mode_txt(iface->conf->hw_mode), |
1691 | iface->conf->channel, iface->freq); | |
6fc6879b | 1692 | |
e76da505 | 1693 | #ifdef NEED_AP_MLME |
c53a9bf8 SD |
1694 | /* Handle DFS only if it is not offloaded to the driver */ |
1695 | if (!(iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) { | |
1696 | /* Check DFS */ | |
1697 | res = hostapd_handle_dfs(iface); | |
1698 | if (res <= 0) { | |
1699 | if (res < 0) | |
1700 | goto fail; | |
1701 | return res; | |
1702 | } | |
c13578c3 AK |
1703 | } else { |
1704 | /* If DFS is offloaded to the driver */ | |
1705 | res_dfs_offload = hostapd_handle_dfs_offload(iface); | |
1706 | if (res_dfs_offload <= 0) { | |
1707 | if (res_dfs_offload < 0) | |
1708 | goto fail; | |
1709 | } else { | |
1710 | wpa_printf(MSG_DEBUG, | |
1711 | "Proceed with AP/channel setup"); | |
1712 | /* | |
1713 | * If this is a DFS channel, move to completing | |
1714 | * AP setup. | |
1715 | */ | |
1716 | if (res_dfs_offload == 1) | |
1717 | goto dfs_offload; | |
1718 | /* Otherwise fall through. */ | |
1719 | } | |
0f23a5e7 | 1720 | } |
e76da505 JD |
1721 | #endif /* NEED_AP_MLME */ |
1722 | ||
01e2231f JL |
1723 | #ifdef CONFIG_MESH |
1724 | if (iface->mconf != NULL) { | |
1725 | wpa_printf(MSG_DEBUG, | |
1726 | "%s: Mesh configuration will be applied while joining the mesh network", | |
1727 | iface->bss[0]->conf->iface); | |
1728 | delay_apply_cfg = 1; | |
1729 | } | |
1730 | #endif /* CONFIG_MESH */ | |
1731 | ||
1732 | if (!delay_apply_cfg && | |
1733 | hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq, | |
9c6d8e1d | 1734 | hapd->iconf->channel, |
fe0f58fa | 1735 | hapd->iconf->ieee80211n, |
fa476336 JB |
1736 | hapd->iconf->ieee80211ac, |
1737 | hapd->iconf->secondary_channel, | |
1738 | hapd->iconf->vht_oper_chwidth, | |
1739 | hapd->iconf->vht_oper_centr_freq_seg0_idx, | |
1740 | hapd->iconf->vht_oper_centr_freq_seg1_idx)) { | |
bb305cbd JM |
1741 | wpa_printf(MSG_ERROR, "Could not set channel for " |
1742 | "kernel driver"); | |
0f23a5e7 | 1743 | goto fail; |
ddaa83eb JM |
1744 | } |
1745 | } | |
6fc6879b | 1746 | |
5a5009dc | 1747 | if (iface->current_mode) { |
34445d12 | 1748 | if (hostapd_prepare_rates(iface, iface->current_mode)) { |
5a5009dc FF |
1749 | wpa_printf(MSG_ERROR, "Failed to prepare rates " |
1750 | "table."); | |
1751 | hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, | |
1752 | HOSTAPD_LEVEL_WARNING, | |
1753 | "Failed to prepare rates table."); | |
0f23a5e7 | 1754 | goto fail; |
5a5009dc FF |
1755 | } |
1756 | } | |
1757 | ||
ddaa83eb JM |
1758 | if (hapd->iconf->rts_threshold > -1 && |
1759 | hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) { | |
bb305cbd JM |
1760 | wpa_printf(MSG_ERROR, "Could not set RTS threshold for " |
1761 | "kernel driver"); | |
0f23a5e7 | 1762 | goto fail; |
ddaa83eb JM |
1763 | } |
1764 | ||
1765 | if (hapd->iconf->fragm_threshold > -1 && | |
1766 | hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) { | |
bb305cbd JM |
1767 | wpa_printf(MSG_ERROR, "Could not set fragmentation threshold " |
1768 | "for kernel driver"); | |
0f23a5e7 | 1769 | goto fail; |
ddaa83eb | 1770 | } |
6fc6879b | 1771 | |
ddaa83eb JM |
1772 | prev_addr = hapd->own_addr; |
1773 | ||
1774 | for (j = 0; j < iface->num_bss; j++) { | |
1775 | hapd = iface->bss[j]; | |
1776 | if (j) | |
1777 | os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN); | |
ac1a2240 MK |
1778 | if (hostapd_setup_bss(hapd, j == 0)) { |
1779 | do { | |
1780 | hapd = iface->bss[j]; | |
438e1333 | 1781 | hostapd_bss_deinit_no_free(hapd); |
ac1a2240 MK |
1782 | hostapd_free_hapd_data(hapd); |
1783 | } while (j-- > 0); | |
0f23a5e7 | 1784 | goto fail; |
ac1a2240 | 1785 | } |
902c07a7 | 1786 | if (is_zero_ether_addr(hapd->conf->bssid)) |
ddaa83eb JM |
1787 | prev_addr = hapd->own_addr; |
1788 | } | |
dc036d9e | 1789 | hapd = iface->bss[0]; |
ddaa83eb JM |
1790 | |
1791 | hostapd_tx_queue_params(iface); | |
1792 | ||
1793 | ap_list_init(iface); | |
1794 | ||
3c4ca363 VN |
1795 | hostapd_set_acl(hapd); |
1796 | ||
ddaa83eb JM |
1797 | if (hostapd_driver_commit(hapd) < 0) { |
1798 | wpa_printf(MSG_ERROR, "%s: Failed to commit driver " | |
1799 | "configuration", __func__); | |
0f23a5e7 | 1800 | goto fail; |
ddaa83eb JM |
1801 | } |
1802 | ||
86795546 VA |
1803 | /* |
1804 | * WPS UPnP module can be initialized only when the "upnp_iface" is up. | |
1805 | * If "interface" and "upnp_iface" are the same (e.g., non-bridge | |
1806 | * mode), the interface is up only after driver_commit, so initialize | |
1807 | * WPS after driver_commit. | |
1808 | */ | |
1809 | for (j = 0; j < iface->num_bss; j++) { | |
1810 | if (hostapd_init_wps_complete(iface->bss[j])) | |
0f23a5e7 | 1811 | goto fail; |
86795546 VA |
1812 | } |
1813 | ||
c13578c3 AK |
1814 | if ((iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) && |
1815 | !res_dfs_offload) { | |
1816 | /* | |
1817 | * If freq is DFS, and DFS is offloaded to the driver, then wait | |
1818 | * for CAC to complete. | |
1819 | */ | |
1820 | wpa_printf(MSG_DEBUG, "%s: Wait for CAC to complete", __func__); | |
1821 | return res_dfs_offload; | |
1822 | } | |
1823 | ||
1824 | #ifdef NEED_AP_MLME | |
1825 | dfs_offload: | |
1826 | #endif /* NEED_AP_MLME */ | |
6959145b AN |
1827 | |
1828 | #ifdef CONFIG_FST | |
1829 | if (hapd->iconf->fst_cfg.group_id[0]) { | |
1830 | struct fst_wpa_obj iface_obj; | |
1831 | ||
1832 | fst_hostapd_fill_iface_obj(hapd, &iface_obj); | |
1833 | iface->fst = fst_attach(hapd->conf->iface, hapd->own_addr, | |
1834 | &iface_obj, &hapd->iconf->fst_cfg); | |
1835 | if (!iface->fst) { | |
1836 | wpa_printf(MSG_ERROR, "Could not attach to FST %s", | |
1837 | hapd->iconf->fst_cfg.group_id); | |
1838 | goto fail; | |
1839 | } | |
1840 | } | |
1841 | #endif /* CONFIG_FST */ | |
1842 | ||
e1c5faf0 | 1843 | hostapd_set_state(iface, HAPD_IFACE_ENABLED); |
7d6d7370 | 1844 | wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_ENABLED); |
c76e5d7f JB |
1845 | if (hapd->setup_complete_cb) |
1846 | hapd->setup_complete_cb(hapd->setup_complete_cb_ctx); | |
1847 | ||
ad1e68e6 JM |
1848 | wpa_printf(MSG_DEBUG, "%s: Setup of interface done.", |
1849 | iface->bss[0]->conf->iface); | |
2b6623ab JM |
1850 | if (iface->interfaces && iface->interfaces->terminate_on_error > 0) |
1851 | iface->interfaces->terminate_on_error--; | |
ad1e68e6 | 1852 | |
061269b3 DS |
1853 | for (j = 0; j < iface->num_bss; j++) |
1854 | hostapd_set_own_neighbor_report(iface->bss[j]); | |
1855 | ||
21db94c5 | 1856 | return 0; |
0f23a5e7 JM |
1857 | |
1858 | fail: | |
1859 | wpa_printf(MSG_ERROR, "Interface initialization failed"); | |
1860 | hostapd_set_state(iface, HAPD_IFACE_DISABLED); | |
1861 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED); | |
6959145b AN |
1862 | #ifdef CONFIG_FST |
1863 | if (iface->fst) { | |
1864 | fst_detach(iface->fst); | |
1865 | iface->fst = NULL; | |
1866 | } | |
1867 | #endif /* CONFIG_FST */ | |
0f23a5e7 JM |
1868 | if (iface->interfaces && iface->interfaces->terminate_on_error) |
1869 | eloop_terminate(); | |
1870 | return -1; | |
6fc6879b JM |
1871 | } |
1872 | ||
1873 | ||
053693d2 SD |
1874 | /** |
1875 | * hostapd_setup_interface_complete - Complete interface setup | |
1876 | * | |
1877 | * This function is called when previous steps in the interface setup has been | |
1878 | * completed. This can also start operations, e.g., DFS, that will require | |
1879 | * additional processing before interface is ready to be enabled. Such | |
1880 | * operations will call this function from eloop callbacks when finished. | |
1881 | */ | |
1882 | int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err) | |
1883 | { | |
1884 | struct hapd_interfaces *interfaces = iface->interfaces; | |
1885 | struct hostapd_data *hapd = iface->bss[0]; | |
1886 | unsigned int i; | |
1887 | int not_ready_in_sync_ifaces = 0; | |
1888 | ||
1889 | if (!iface->need_to_start_in_sync) | |
1890 | return hostapd_setup_interface_complete_sync(iface, err); | |
1891 | ||
1892 | if (err) { | |
1893 | wpa_printf(MSG_ERROR, "Interface initialization failed"); | |
1894 | hostapd_set_state(iface, HAPD_IFACE_DISABLED); | |
1895 | iface->need_to_start_in_sync = 0; | |
1896 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED); | |
1897 | if (interfaces && interfaces->terminate_on_error) | |
1898 | eloop_terminate(); | |
1899 | return -1; | |
1900 | } | |
1901 | ||
1902 | if (iface->ready_to_start_in_sync) { | |
1903 | /* Already in ready and waiting. should never happpen */ | |
1904 | return 0; | |
1905 | } | |
1906 | ||
1907 | for (i = 0; i < interfaces->count; i++) { | |
1908 | if (interfaces->iface[i]->need_to_start_in_sync && | |
1909 | !interfaces->iface[i]->ready_to_start_in_sync) | |
1910 | not_ready_in_sync_ifaces++; | |
1911 | } | |
1912 | ||
1913 | /* | |
1914 | * Check if this is the last interface, if yes then start all the other | |
1915 | * waiting interfaces. If not, add this interface to the waiting list. | |
1916 | */ | |
1917 | if (not_ready_in_sync_ifaces > 1 && iface->state == HAPD_IFACE_DFS) { | |
1918 | /* | |
1919 | * If this interface went through CAC, do not synchronize, just | |
1920 | * start immediately. | |
1921 | */ | |
1922 | iface->need_to_start_in_sync = 0; | |
1923 | wpa_printf(MSG_INFO, | |
1924 | "%s: Finished CAC - bypass sync and start interface", | |
1925 | iface->bss[0]->conf->iface); | |
1926 | return hostapd_setup_interface_complete_sync(iface, err); | |
1927 | } | |
1928 | ||
1929 | if (not_ready_in_sync_ifaces > 1) { | |
1930 | /* need to wait as there are other interfaces still coming up */ | |
1931 | iface->ready_to_start_in_sync = 1; | |
1932 | wpa_printf(MSG_INFO, | |
1933 | "%s: Interface waiting to sync with other interfaces", | |
1934 | iface->bss[0]->conf->iface); | |
1935 | return 0; | |
1936 | } | |
1937 | ||
1938 | wpa_printf(MSG_INFO, | |
1939 | "%s: Last interface to sync - starting all interfaces", | |
1940 | iface->bss[0]->conf->iface); | |
1941 | iface->need_to_start_in_sync = 0; | |
1942 | hostapd_setup_interface_complete_sync(iface, err); | |
1943 | for (i = 0; i < interfaces->count; i++) { | |
1944 | if (interfaces->iface[i]->need_to_start_in_sync && | |
1945 | interfaces->iface[i]->ready_to_start_in_sync) { | |
1946 | hostapd_setup_interface_complete_sync( | |
1947 | interfaces->iface[i], 0); | |
1948 | /* Only once the interfaces are sync started */ | |
1949 | interfaces->iface[i]->need_to_start_in_sync = 0; | |
1950 | } | |
1951 | } | |
1952 | ||
1953 | return 0; | |
1954 | } | |
1955 | ||
1956 | ||
6fc6879b | 1957 | /** |
ddaa83eb | 1958 | * hostapd_setup_interface - Setup of an interface |
6fc6879b | 1959 | * @iface: Pointer to interface data. |
ddaa83eb | 1960 | * Returns: 0 on success, -1 on failure |
6fc6879b JM |
1961 | * |
1962 | * Initializes the driver interface, validates the configuration, | |
1963 | * and sets driver parameters based on the configuration. | |
ddaa83eb | 1964 | * Flushes old stations, sets the channel, encryption, |
6fc6879b | 1965 | * beacons, and WDS links based on the configuration. |
0dfd2c61 JM |
1966 | * |
1967 | * If interface setup requires more time, e.g., to perform HT co-ex scans, ACS, | |
1968 | * or DFS operations, this function returns 0 before such operations have been | |
1969 | * completed. The pending operations are registered into eloop and will be | |
1970 | * completed from eloop callbacks. Those callbacks end up calling | |
1971 | * hostapd_setup_interface_complete() once setup has been completed. | |
6fc6879b | 1972 | */ |
5c333467 | 1973 | int hostapd_setup_interface(struct hostapd_iface *iface) |
6fc6879b | 1974 | { |
ddaa83eb JM |
1975 | int ret; |
1976 | ||
1977 | ret = setup_interface(iface); | |
1978 | if (ret) { | |
bee07ce8 | 1979 | wpa_printf(MSG_ERROR, "%s: Unable to setup interface.", |
6fc6879b JM |
1980 | iface->bss[0]->conf->iface); |
1981 | return -1; | |
1982 | } | |
1983 | ||
6fc6879b JM |
1984 | return 0; |
1985 | } | |
1986 | ||
1987 | ||
6fc6879b JM |
1988 | /** |
1989 | * hostapd_alloc_bss_data - Allocate and initialize per-BSS data | |
1990 | * @hapd_iface: Pointer to interface data | |
1991 | * @conf: Pointer to per-interface configuration | |
1992 | * @bss: Pointer to per-BSS configuration for this BSS | |
1993 | * Returns: Pointer to allocated BSS data | |
1994 | * | |
1995 | * This function is used to allocate per-BSS data structure. This data will be | |
1996 | * freed after hostapd_cleanup() is called for it during interface | |
1997 | * deinitialization. | |
1998 | */ | |
b6a7859d | 1999 | struct hostapd_data * |
6fc6879b JM |
2000 | hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, |
2001 | struct hostapd_config *conf, | |
2002 | struct hostapd_bss_config *bss) | |
2003 | { | |
2004 | struct hostapd_data *hapd; | |
2005 | ||
2006 | hapd = os_zalloc(sizeof(*hapd)); | |
2007 | if (hapd == NULL) | |
2008 | return NULL; | |
2009 | ||
d24df7c3 | 2010 | hapd->new_assoc_sta_cb = hostapd_new_assoc_sta; |
6fc6879b JM |
2011 | hapd->iconf = conf; |
2012 | hapd->conf = bss; | |
2013 | hapd->iface = hapd_iface; | |
db5e53cb JM |
2014 | if (conf) |
2015 | hapd->driver = conf->driver; | |
9e7d033e | 2016 | hapd->ctrl_sock = -1; |
56885eec | 2017 | dl_list_init(&hapd->ctrl_dst); |
f2f8616e | 2018 | dl_list_init(&hapd->nr_db); |
91d91abf | 2019 | hapd->dhcp_sock = -1; |
c5fee160 MB |
2020 | #ifdef CONFIG_IEEE80211R_AP |
2021 | dl_list_init(&hapd->l2_queue); | |
50bd8e0a | 2022 | dl_list_init(&hapd->l2_oui_queue); |
c5fee160 | 2023 | #endif /* CONFIG_IEEE80211R_AP */ |
6fc6879b JM |
2024 | |
2025 | return hapd; | |
6fc6879b JM |
2026 | } |
2027 | ||
2028 | ||
54246f8d JM |
2029 | static void hostapd_bss_deinit(struct hostapd_data *hapd) |
2030 | { | |
9c10be3f JM |
2031 | if (!hapd) |
2032 | return; | |
54246f8d JM |
2033 | wpa_printf(MSG_DEBUG, "%s: deinit bss %s", __func__, |
2034 | hapd->conf->iface); | |
438e1333 | 2035 | hostapd_bss_deinit_no_free(hapd); |
39c3bfcd | 2036 | wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED); |
54246f8d JM |
2037 | hostapd_cleanup(hapd); |
2038 | } | |
2039 | ||
2040 | ||
5c333467 | 2041 | void hostapd_interface_deinit(struct hostapd_iface *iface) |
5fa30f32 | 2042 | { |
390e489c | 2043 | int j; |
5fa30f32 | 2044 | |
747c85f9 | 2045 | wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface); |
5fa30f32 JM |
2046 | if (iface == NULL) |
2047 | return; | |
2048 | ||
39c3bfcd JM |
2049 | hostapd_set_state(iface, HAPD_IFACE_DISABLED); |
2050 | ||
9c47f6a2 PX |
2051 | #ifdef CONFIG_IEEE80211N |
2052 | #ifdef NEED_AP_MLME | |
5f0bca77 | 2053 | hostapd_stop_setup_timers(iface); |
9c47f6a2 PX |
2054 | eloop_cancel_timeout(ap_ht2040_timeout, iface, NULL); |
2055 | #endif /* NEED_AP_MLME */ | |
2056 | #endif /* CONFIG_IEEE80211N */ | |
f0793bf1 JM |
2057 | eloop_cancel_timeout(channel_list_update_timeout, iface, NULL); |
2058 | iface->wait_channel_update = 0; | |
2059 | ||
6959145b AN |
2060 | #ifdef CONFIG_FST |
2061 | if (iface->fst) { | |
2062 | fst_detach(iface->fst); | |
2063 | iface->fst = NULL; | |
2064 | } | |
2065 | #endif /* CONFIG_FST */ | |
2066 | ||
9c10be3f JM |
2067 | for (j = iface->num_bss - 1; j >= 0; j--) { |
2068 | if (!iface->bss) | |
2069 | break; | |
54246f8d | 2070 | hostapd_bss_deinit(iface->bss[j]); |
9c10be3f | 2071 | } |
f7c47833 JM |
2072 | } |
2073 | ||
2074 | ||
2075 | void hostapd_interface_free(struct hostapd_iface *iface) | |
2076 | { | |
2077 | size_t j; | |
747c85f9 JM |
2078 | wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface); |
2079 | for (j = 0; j < iface->num_bss; j++) { | |
9c10be3f JM |
2080 | if (!iface->bss) |
2081 | break; | |
747c85f9 JM |
2082 | wpa_printf(MSG_DEBUG, "%s: free hapd %p", |
2083 | __func__, iface->bss[j]); | |
5fa30f32 | 2084 | os_free(iface->bss[j]); |
747c85f9 | 2085 | } |
5fa30f32 JM |
2086 | hostapd_cleanup_iface(iface); |
2087 | } | |
fa16028d JM |
2088 | |
2089 | ||
5e993390 JM |
2090 | struct hostapd_iface * hostapd_alloc_iface(void) |
2091 | { | |
2092 | struct hostapd_iface *hapd_iface; | |
2093 | ||
2094 | hapd_iface = os_zalloc(sizeof(*hapd_iface)); | |
2095 | if (!hapd_iface) | |
2096 | return NULL; | |
2097 | ||
2098 | dl_list_init(&hapd_iface->sta_seen); | |
2099 | ||
2100 | return hapd_iface; | |
2101 | } | |
2102 | ||
2103 | ||
66936c6a KP |
2104 | /** |
2105 | * hostapd_init - Allocate and initialize per-interface data | |
2106 | * @config_file: Path to the configuration file | |
2107 | * Returns: Pointer to the allocated interface data or %NULL on failure | |
2108 | * | |
2109 | * This function is used to allocate main data structures for per-interface | |
2110 | * data. The allocated data buffer will be freed by calling | |
2111 | * hostapd_cleanup_iface(). | |
2112 | */ | |
2113 | struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces, | |
2114 | const char *config_file) | |
2115 | { | |
2116 | struct hostapd_iface *hapd_iface = NULL; | |
2117 | struct hostapd_config *conf = NULL; | |
2118 | struct hostapd_data *hapd; | |
2119 | size_t i; | |
2120 | ||
5e993390 | 2121 | hapd_iface = hostapd_alloc_iface(); |
66936c6a KP |
2122 | if (hapd_iface == NULL) |
2123 | goto fail; | |
2124 | ||
2125 | hapd_iface->config_fname = os_strdup(config_file); | |
2126 | if (hapd_iface->config_fname == NULL) | |
2127 | goto fail; | |
2128 | ||
2129 | conf = interfaces->config_read_cb(hapd_iface->config_fname); | |
2130 | if (conf == NULL) | |
2131 | goto fail; | |
2132 | hapd_iface->conf = conf; | |
2133 | ||
2134 | hapd_iface->num_bss = conf->num_bss; | |
2135 | hapd_iface->bss = os_calloc(conf->num_bss, | |
2136 | sizeof(struct hostapd_data *)); | |
2137 | if (hapd_iface->bss == NULL) | |
2138 | goto fail; | |
2139 | ||
2140 | for (i = 0; i < conf->num_bss; i++) { | |
2141 | hapd = hapd_iface->bss[i] = | |
2142 | hostapd_alloc_bss_data(hapd_iface, conf, | |
2143 | conf->bss[i]); | |
2144 | if (hapd == NULL) | |
2145 | goto fail; | |
2146 | hapd->msg_ctx = hapd; | |
2147 | } | |
2148 | ||
2149 | return hapd_iface; | |
2150 | ||
2151 | fail: | |
2152 | wpa_printf(MSG_ERROR, "Failed to set up interface with %s", | |
2153 | config_file); | |
2154 | if (conf) | |
2155 | hostapd_config_free(conf); | |
2156 | if (hapd_iface) { | |
2157 | os_free(hapd_iface->config_fname); | |
2158 | os_free(hapd_iface->bss); | |
747c85f9 JM |
2159 | wpa_printf(MSG_DEBUG, "%s: free iface %p", |
2160 | __func__, hapd_iface); | |
66936c6a KP |
2161 | os_free(hapd_iface); |
2162 | } | |
2163 | return NULL; | |
2164 | } | |
2165 | ||
2166 | ||
2e2fff37 KP |
2167 | static int ifname_in_use(struct hapd_interfaces *interfaces, const char *ifname) |
2168 | { | |
2169 | size_t i, j; | |
2170 | ||
2171 | for (i = 0; i < interfaces->count; i++) { | |
2172 | struct hostapd_iface *iface = interfaces->iface[i]; | |
2173 | for (j = 0; j < iface->num_bss; j++) { | |
2174 | struct hostapd_data *hapd = iface->bss[j]; | |
2175 | if (os_strcmp(ifname, hapd->conf->iface) == 0) | |
2176 | return 1; | |
2177 | } | |
2178 | } | |
2179 | ||
2180 | return 0; | |
2181 | } | |
2182 | ||
2183 | ||
0dfd2c61 JM |
2184 | /** |
2185 | * hostapd_interface_init_bss - Read configuration file and init BSS data | |
2186 | * | |
2187 | * This function is used to parse configuration file for a BSS. This BSS is | |
2188 | * added to an existing interface sharing the same radio (if any) or a new | |
2189 | * interface is created if this is the first interface on a radio. This | |
2190 | * allocate memory for the BSS. No actual driver operations are started. | |
2191 | * | |
2192 | * This is similar to hostapd_interface_init(), but for a case where the | |
2193 | * configuration is used to add a single BSS instead of all BSSes for a radio. | |
2194 | */ | |
a1fb5692 KP |
2195 | struct hostapd_iface * |
2196 | hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy, | |
2197 | const char *config_fname, int debug) | |
2198 | { | |
2199 | struct hostapd_iface *new_iface = NULL, *iface = NULL; | |
2200 | struct hostapd_data *hapd; | |
2201 | int k; | |
2202 | size_t i, bss_idx; | |
2203 | ||
2204 | if (!phy || !*phy) | |
2205 | return NULL; | |
2206 | ||
2207 | for (i = 0; i < interfaces->count; i++) { | |
2208 | if (os_strcmp(interfaces->iface[i]->phy, phy) == 0) { | |
2209 | iface = interfaces->iface[i]; | |
2210 | break; | |
2211 | } | |
2212 | } | |
2213 | ||
fee947bf | 2214 | wpa_printf(MSG_INFO, "Configuration file: %s (phy %s)%s", |
a1fb5692 KP |
2215 | config_fname, phy, iface ? "" : " --> new PHY"); |
2216 | if (iface) { | |
2217 | struct hostapd_config *conf; | |
2218 | struct hostapd_bss_config **tmp_conf; | |
2219 | struct hostapd_data **tmp_bss; | |
2220 | struct hostapd_bss_config *bss; | |
2e2fff37 | 2221 | const char *ifname; |
a1fb5692 KP |
2222 | |
2223 | /* Add new BSS to existing iface */ | |
2224 | conf = interfaces->config_read_cb(config_fname); | |
2225 | if (conf == NULL) | |
2226 | return NULL; | |
2227 | if (conf->num_bss > 1) { | |
2228 | wpa_printf(MSG_ERROR, "Multiple BSSes specified in BSS-config"); | |
2229 | hostapd_config_free(conf); | |
2230 | return NULL; | |
2231 | } | |
2232 | ||
2e2fff37 KP |
2233 | ifname = conf->bss[0]->iface; |
2234 | if (ifname[0] != '\0' && ifname_in_use(interfaces, ifname)) { | |
2235 | wpa_printf(MSG_ERROR, | |
2236 | "Interface name %s already in use", ifname); | |
2237 | hostapd_config_free(conf); | |
2238 | return NULL; | |
2239 | } | |
2240 | ||
a1fb5692 KP |
2241 | tmp_conf = os_realloc_array( |
2242 | iface->conf->bss, iface->conf->num_bss + 1, | |
2243 | sizeof(struct hostapd_bss_config *)); | |
2244 | tmp_bss = os_realloc_array(iface->bss, iface->num_bss + 1, | |
2245 | sizeof(struct hostapd_data *)); | |
2246 | if (tmp_bss) | |
2247 | iface->bss = tmp_bss; | |
2248 | if (tmp_conf) { | |
2249 | iface->conf->bss = tmp_conf; | |
2250 | iface->conf->last_bss = tmp_conf[0]; | |
2251 | } | |
2252 | if (tmp_bss == NULL || tmp_conf == NULL) { | |
2253 | hostapd_config_free(conf); | |
2254 | return NULL; | |
2255 | } | |
2256 | bss = iface->conf->bss[iface->conf->num_bss] = conf->bss[0]; | |
2257 | iface->conf->num_bss++; | |
2258 | ||
2259 | hapd = hostapd_alloc_bss_data(iface, iface->conf, bss); | |
2260 | if (hapd == NULL) { | |
2261 | iface->conf->num_bss--; | |
2262 | hostapd_config_free(conf); | |
2263 | return NULL; | |
2264 | } | |
2265 | iface->conf->last_bss = bss; | |
2266 | iface->bss[iface->num_bss] = hapd; | |
2267 | hapd->msg_ctx = hapd; | |
2268 | ||
2269 | bss_idx = iface->num_bss++; | |
2270 | conf->num_bss--; | |
2271 | conf->bss[0] = NULL; | |
2272 | hostapd_config_free(conf); | |
2273 | } else { | |
2274 | /* Add a new iface with the first BSS */ | |
2275 | new_iface = iface = hostapd_init(interfaces, config_fname); | |
2276 | if (!iface) | |
2277 | return NULL; | |
2278 | os_strlcpy(iface->phy, phy, sizeof(iface->phy)); | |
2279 | iface->interfaces = interfaces; | |
2280 | bss_idx = 0; | |
2281 | } | |
2282 | ||
2283 | for (k = 0; k < debug; k++) { | |
2284 | if (iface->bss[bss_idx]->conf->logger_stdout_level > 0) | |
2285 | iface->bss[bss_idx]->conf->logger_stdout_level--; | |
2286 | } | |
2287 | ||
2288 | if (iface->conf->bss[bss_idx]->iface[0] == '\0' && | |
2289 | !hostapd_drv_none(iface->bss[bss_idx])) { | |
2290 | wpa_printf(MSG_ERROR, "Interface name not specified in %s", | |
2291 | config_fname); | |
2292 | if (new_iface) | |
2293 | hostapd_interface_deinit_free(new_iface); | |
2294 | return NULL; | |
2295 | } | |
2296 | ||
2297 | return iface; | |
2298 | } | |
2299 | ||
2300 | ||
75545652 SP |
2301 | void hostapd_interface_deinit_free(struct hostapd_iface *iface) |
2302 | { | |
2303 | const struct wpa_driver_ops *driver; | |
2304 | void *drv_priv; | |
747c85f9 JM |
2305 | |
2306 | wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface); | |
75545652 SP |
2307 | if (iface == NULL) |
2308 | return; | |
747c85f9 JM |
2309 | wpa_printf(MSG_DEBUG, "%s: num_bss=%u conf->num_bss=%u", |
2310 | __func__, (unsigned int) iface->num_bss, | |
2311 | (unsigned int) iface->conf->num_bss); | |
75545652 SP |
2312 | driver = iface->bss[0]->driver; |
2313 | drv_priv = iface->bss[0]->drv_priv; | |
2314 | hostapd_interface_deinit(iface); | |
747c85f9 JM |
2315 | wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit", |
2316 | __func__, driver, drv_priv); | |
d92bdf96 | 2317 | if (driver && driver->hapd_deinit && drv_priv) { |
75545652 | 2318 | driver->hapd_deinit(drv_priv); |
d92bdf96 JM |
2319 | iface->bss[0]->drv_priv = NULL; |
2320 | } | |
75545652 SP |
2321 | hostapd_interface_free(iface); |
2322 | } | |
2323 | ||
2324 | ||
4d1e38be JM |
2325 | static void hostapd_deinit_driver(const struct wpa_driver_ops *driver, |
2326 | void *drv_priv, | |
2327 | struct hostapd_iface *hapd_iface) | |
2328 | { | |
2329 | size_t j; | |
2330 | ||
2331 | wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit", | |
2332 | __func__, driver, drv_priv); | |
2333 | if (driver && driver->hapd_deinit && drv_priv) { | |
2334 | driver->hapd_deinit(drv_priv); | |
2335 | for (j = 0; j < hapd_iface->num_bss; j++) { | |
2336 | wpa_printf(MSG_DEBUG, "%s:bss[%d]->drv_priv=%p", | |
2337 | __func__, (int) j, | |
2338 | hapd_iface->bss[j]->drv_priv); | |
2339 | if (hapd_iface->bss[j]->drv_priv == drv_priv) | |
2340 | hapd_iface->bss[j]->drv_priv = NULL; | |
2341 | } | |
2342 | } | |
2343 | } | |
2344 | ||
2345 | ||
75545652 SP |
2346 | int hostapd_enable_iface(struct hostapd_iface *hapd_iface) |
2347 | { | |
5d67bf15 JM |
2348 | size_t j; |
2349 | ||
75545652 SP |
2350 | if (hapd_iface->bss[0]->drv_priv != NULL) { |
2351 | wpa_printf(MSG_ERROR, "Interface %s already enabled", | |
ebd79f07 | 2352 | hapd_iface->conf->bss[0]->iface); |
75545652 SP |
2353 | return -1; |
2354 | } | |
2355 | ||
2356 | wpa_printf(MSG_DEBUG, "Enable interface %s", | |
ebd79f07 | 2357 | hapd_iface->conf->bss[0]->iface); |
75545652 | 2358 | |
5d67bf15 JM |
2359 | for (j = 0; j < hapd_iface->num_bss; j++) |
2360 | hostapd_set_security_params(hapd_iface->conf->bss[j], 1); | |
08081ad8 JM |
2361 | if (hostapd_config_check(hapd_iface->conf, 1) < 0) { |
2362 | wpa_printf(MSG_INFO, "Invalid configuration - cannot enable"); | |
2363 | return -1; | |
2364 | } | |
2365 | ||
75545652 SP |
2366 | if (hapd_iface->interfaces == NULL || |
2367 | hapd_iface->interfaces->driver_init == NULL || | |
71cdf6b6 JM |
2368 | hapd_iface->interfaces->driver_init(hapd_iface)) |
2369 | return -1; | |
2370 | ||
2371 | if (hostapd_setup_interface(hapd_iface)) { | |
4d1e38be JM |
2372 | hostapd_deinit_driver(hapd_iface->bss[0]->driver, |
2373 | hapd_iface->bss[0]->drv_priv, | |
2374 | hapd_iface); | |
75545652 SP |
2375 | return -1; |
2376 | } | |
71cdf6b6 | 2377 | |
75545652 SP |
2378 | return 0; |
2379 | } | |
2380 | ||
2381 | ||
2382 | int hostapd_reload_iface(struct hostapd_iface *hapd_iface) | |
2383 | { | |
2384 | size_t j; | |
2385 | ||
2386 | wpa_printf(MSG_DEBUG, "Reload interface %s", | |
ebd79f07 | 2387 | hapd_iface->conf->bss[0]->iface); |
6f2db2fb | 2388 | for (j = 0; j < hapd_iface->num_bss; j++) |
5d67bf15 | 2389 | hostapd_set_security_params(hapd_iface->conf->bss[j], 1); |
08081ad8 | 2390 | if (hostapd_config_check(hapd_iface->conf, 1) < 0) { |
6f2db2fb JM |
2391 | wpa_printf(MSG_ERROR, "Updated configuration is invalid"); |
2392 | return -1; | |
2393 | } | |
9f104b03 JM |
2394 | hostapd_clear_old(hapd_iface); |
2395 | for (j = 0; j < hapd_iface->num_bss; j++) | |
75545652 | 2396 | hostapd_reload_bss(hapd_iface->bss[j]); |
9f104b03 | 2397 | |
75545652 SP |
2398 | return 0; |
2399 | } | |
2400 | ||
2401 | ||
2402 | int hostapd_disable_iface(struct hostapd_iface *hapd_iface) | |
2403 | { | |
2404 | size_t j; | |
75545652 SP |
2405 | const struct wpa_driver_ops *driver; |
2406 | void *drv_priv; | |
2407 | ||
2408 | if (hapd_iface == NULL) | |
2409 | return -1; | |
3fbd036e MK |
2410 | |
2411 | if (hapd_iface->bss[0]->drv_priv == NULL) { | |
2412 | wpa_printf(MSG_INFO, "Interface %s already disabled", | |
2413 | hapd_iface->conf->bss[0]->iface); | |
2414 | return -1; | |
2415 | } | |
2416 | ||
7d6d7370 | 2417 | wpa_msg(hapd_iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED); |
75545652 SP |
2418 | driver = hapd_iface->bss[0]->driver; |
2419 | drv_priv = hapd_iface->bss[0]->drv_priv; | |
2420 | ||
354c903f MB |
2421 | hapd_iface->driver_ap_teardown = |
2422 | !!(hapd_iface->drv_flags & | |
2423 | WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); | |
2424 | ||
2425 | /* same as hostapd_interface_deinit without deinitializing ctrl-iface */ | |
75545652 SP |
2426 | for (j = 0; j < hapd_iface->num_bss; j++) { |
2427 | struct hostapd_data *hapd = hapd_iface->bss[j]; | |
438e1333 | 2428 | hostapd_bss_deinit_no_free(hapd); |
75545652 SP |
2429 | hostapd_free_hapd_data(hapd); |
2430 | } | |
2431 | ||
4d1e38be | 2432 | hostapd_deinit_driver(driver, drv_priv, hapd_iface); |
75545652 SP |
2433 | |
2434 | /* From hostapd_cleanup_iface: These were initialized in | |
2435 | * hostapd_setup_interface and hostapd_setup_interface_complete | |
2436 | */ | |
2437 | hostapd_cleanup_iface_partial(hapd_iface); | |
75545652 | 2438 | |
0249c125 JM |
2439 | wpa_printf(MSG_DEBUG, "Interface %s disabled", |
2440 | hapd_iface->bss[0]->conf->iface); | |
e1c5faf0 | 2441 | hostapd_set_state(hapd_iface, HAPD_IFACE_DISABLED); |
75545652 SP |
2442 | return 0; |
2443 | } | |
2444 | ||
06bb8c62 SP |
2445 | |
2446 | static struct hostapd_iface * | |
2447 | hostapd_iface_alloc(struct hapd_interfaces *interfaces) | |
2448 | { | |
2449 | struct hostapd_iface **iface, *hapd_iface; | |
2450 | ||
2451 | iface = os_realloc_array(interfaces->iface, interfaces->count + 1, | |
2452 | sizeof(struct hostapd_iface *)); | |
2453 | if (iface == NULL) | |
2454 | return NULL; | |
2455 | interfaces->iface = iface; | |
2456 | hapd_iface = interfaces->iface[interfaces->count] = | |
5e993390 | 2457 | hostapd_alloc_iface(); |
06bb8c62 SP |
2458 | if (hapd_iface == NULL) { |
2459 | wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for " | |
2460 | "the interface", __func__); | |
2461 | return NULL; | |
2462 | } | |
2463 | interfaces->count++; | |
2464 | hapd_iface->interfaces = interfaces; | |
2465 | ||
2466 | return hapd_iface; | |
2467 | } | |
2468 | ||
2469 | ||
2470 | static struct hostapd_config * | |
2471 | hostapd_config_alloc(struct hapd_interfaces *interfaces, const char *ifname, | |
fab51186 | 2472 | const char *ctrl_iface, const char *driver) |
06bb8c62 SP |
2473 | { |
2474 | struct hostapd_bss_config *bss; | |
2475 | struct hostapd_config *conf; | |
2476 | ||
2477 | /* Allocates memory for bss and conf */ | |
2478 | conf = hostapd_config_defaults(); | |
2479 | if (conf == NULL) { | |
2480 | wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for " | |
2481 | "configuration", __func__); | |
2482 | return NULL; | |
2483 | } | |
2484 | ||
fab51186 P |
2485 | if (driver) { |
2486 | int j; | |
2487 | ||
2488 | for (j = 0; wpa_drivers[j]; j++) { | |
2489 | if (os_strcmp(driver, wpa_drivers[j]->name) == 0) { | |
2490 | conf->driver = wpa_drivers[j]; | |
2491 | goto skip; | |
2492 | } | |
2493 | } | |
2494 | ||
2495 | wpa_printf(MSG_ERROR, | |
2496 | "Invalid/unknown driver '%s' - registering the default driver", | |
2497 | driver); | |
2498 | } | |
2499 | ||
06bb8c62 SP |
2500 | conf->driver = wpa_drivers[0]; |
2501 | if (conf->driver == NULL) { | |
2502 | wpa_printf(MSG_ERROR, "No driver wrappers registered!"); | |
2503 | hostapd_config_free(conf); | |
2504 | return NULL; | |
2505 | } | |
2506 | ||
fab51186 | 2507 | skip: |
ebd79f07 | 2508 | bss = conf->last_bss = conf->bss[0]; |
06bb8c62 SP |
2509 | |
2510 | os_strlcpy(bss->iface, ifname, sizeof(bss->iface)); | |
2511 | bss->ctrl_interface = os_strdup(ctrl_iface); | |
2512 | if (bss->ctrl_interface == NULL) { | |
2513 | hostapd_config_free(conf); | |
2514 | return NULL; | |
2515 | } | |
2516 | ||
2517 | /* Reading configuration file skipped, will be done in SET! | |
2518 | * From reading the configuration till the end has to be done in | |
2519 | * SET | |
2520 | */ | |
2521 | return conf; | |
2522 | } | |
2523 | ||
2524 | ||
28016592 JM |
2525 | static int hostapd_data_alloc(struct hostapd_iface *hapd_iface, |
2526 | struct hostapd_config *conf) | |
06bb8c62 SP |
2527 | { |
2528 | size_t i; | |
06bb8c62 SP |
2529 | struct hostapd_data *hapd; |
2530 | ||
faebdeaa | 2531 | hapd_iface->bss = os_calloc(conf->num_bss, |
06bb8c62 SP |
2532 | sizeof(struct hostapd_data *)); |
2533 | if (hapd_iface->bss == NULL) | |
28016592 | 2534 | return -1; |
06bb8c62 SP |
2535 | |
2536 | for (i = 0; i < conf->num_bss; i++) { | |
2537 | hapd = hapd_iface->bss[i] = | |
ebd79f07 | 2538 | hostapd_alloc_bss_data(hapd_iface, conf, conf->bss[i]); |
28016592 JM |
2539 | if (hapd == NULL) { |
2540 | while (i > 0) { | |
2541 | i--; | |
2542 | os_free(hapd_iface->bss[i]); | |
2543 | hapd_iface->bss[i] = NULL; | |
2544 | } | |
2545 | os_free(hapd_iface->bss); | |
2546 | hapd_iface->bss = NULL; | |
2547 | return -1; | |
2548 | } | |
06bb8c62 SP |
2549 | hapd->msg_ctx = hapd; |
2550 | } | |
2551 | ||
28016592 JM |
2552 | hapd_iface->conf = conf; |
2553 | hapd_iface->num_bss = conf->num_bss; | |
06bb8c62 | 2554 | |
28016592 | 2555 | return 0; |
06bb8c62 SP |
2556 | } |
2557 | ||
2558 | ||
2559 | int hostapd_add_iface(struct hapd_interfaces *interfaces, char *buf) | |
2560 | { | |
2561 | struct hostapd_config *conf = NULL; | |
2e2fff37 KP |
2562 | struct hostapd_iface *hapd_iface = NULL, *new_iface = NULL; |
2563 | struct hostapd_data *hapd; | |
06bb8c62 | 2564 | char *ptr; |
2e2fff37 KP |
2565 | size_t i, j; |
2566 | const char *conf_file = NULL, *phy_name = NULL; | |
2567 | ||
2568 | if (os_strncmp(buf, "bss_config=", 11) == 0) { | |
2569 | char *pos; | |
2570 | phy_name = buf + 11; | |
2571 | pos = os_strchr(phy_name, ':'); | |
2572 | if (!pos) | |
2573 | return -1; | |
2574 | *pos++ = '\0'; | |
2575 | conf_file = pos; | |
2576 | if (!os_strlen(conf_file)) | |
2577 | return -1; | |
2578 | ||
2579 | hapd_iface = hostapd_interface_init_bss(interfaces, phy_name, | |
2580 | conf_file, 0); | |
2581 | if (!hapd_iface) | |
2582 | return -1; | |
2583 | for (j = 0; j < interfaces->count; j++) { | |
2584 | if (interfaces->iface[j] == hapd_iface) | |
2585 | break; | |
2586 | } | |
2587 | if (j == interfaces->count) { | |
2588 | struct hostapd_iface **tmp; | |
2589 | tmp = os_realloc_array(interfaces->iface, | |
2590 | interfaces->count + 1, | |
2591 | sizeof(struct hostapd_iface *)); | |
2592 | if (!tmp) { | |
2593 | hostapd_interface_deinit_free(hapd_iface); | |
2594 | return -1; | |
2595 | } | |
2596 | interfaces->iface = tmp; | |
2597 | interfaces->iface[interfaces->count++] = hapd_iface; | |
2598 | new_iface = hapd_iface; | |
2599 | } | |
2600 | ||
2601 | if (new_iface) { | |
28016592 | 2602 | if (interfaces->driver_init(hapd_iface)) |
2e2fff37 | 2603 | goto fail; |
71f1d1e5 JM |
2604 | |
2605 | if (hostapd_setup_interface(hapd_iface)) { | |
71f1d1e5 JM |
2606 | hostapd_deinit_driver( |
2607 | hapd_iface->bss[0]->driver, | |
2608 | hapd_iface->bss[0]->drv_priv, | |
2609 | hapd_iface); | |
2610 | goto fail; | |
2611 | } | |
2e2fff37 KP |
2612 | } else { |
2613 | /* Assign new BSS with bss[0]'s driver info */ | |
2614 | hapd = hapd_iface->bss[hapd_iface->num_bss - 1]; | |
2615 | hapd->driver = hapd_iface->bss[0]->driver; | |
2616 | hapd->drv_priv = hapd_iface->bss[0]->drv_priv; | |
2617 | os_memcpy(hapd->own_addr, hapd_iface->bss[0]->own_addr, | |
2618 | ETH_ALEN); | |
2619 | ||
ad08e141 | 2620 | if (start_ctrl_iface_bss(hapd) < 0 || |
5e1a4565 JM |
2621 | (hapd_iface->state == HAPD_IFACE_ENABLED && |
2622 | hostapd_setup_bss(hapd, -1))) { | |
c9d9ee94 | 2623 | hostapd_cleanup(hapd); |
b908c50a | 2624 | hapd_iface->bss[hapd_iface->num_bss - 1] = NULL; |
2e2fff37 KP |
2625 | hapd_iface->conf->num_bss--; |
2626 | hapd_iface->num_bss--; | |
747c85f9 JM |
2627 | wpa_printf(MSG_DEBUG, "%s: free hapd %p %s", |
2628 | __func__, hapd, hapd->conf->iface); | |
e10422c0 JM |
2629 | hostapd_config_free_bss(hapd->conf); |
2630 | hapd->conf = NULL; | |
2e2fff37 KP |
2631 | os_free(hapd); |
2632 | return -1; | |
2633 | } | |
2634 | } | |
2635 | return 0; | |
2636 | } | |
06bb8c62 SP |
2637 | |
2638 | ptr = os_strchr(buf, ' '); | |
2639 | if (ptr == NULL) | |
2640 | return -1; | |
2641 | *ptr++ = '\0'; | |
2642 | ||
ed1bf011 JM |
2643 | if (os_strncmp(ptr, "config=", 7) == 0) |
2644 | conf_file = ptr + 7; | |
2645 | ||
06bb8c62 | 2646 | for (i = 0; i < interfaces->count; i++) { |
ebd79f07 | 2647 | if (!os_strcmp(interfaces->iface[i]->conf->bss[0]->iface, |
06bb8c62 SP |
2648 | buf)) { |
2649 | wpa_printf(MSG_INFO, "Cannot add interface - it " | |
2650 | "already exists"); | |
2651 | return -1; | |
2652 | } | |
2653 | } | |
2654 | ||
2655 | hapd_iface = hostapd_iface_alloc(interfaces); | |
2656 | if (hapd_iface == NULL) { | |
2657 | wpa_printf(MSG_ERROR, "%s: Failed to allocate memory " | |
2658 | "for interface", __func__); | |
2659 | goto fail; | |
2660 | } | |
28016592 | 2661 | new_iface = hapd_iface; |
06bb8c62 | 2662 | |
ed1bf011 JM |
2663 | if (conf_file && interfaces->config_read_cb) { |
2664 | conf = interfaces->config_read_cb(conf_file); | |
2665 | if (conf && conf->bss) | |
ebd79f07 JM |
2666 | os_strlcpy(conf->bss[0]->iface, buf, |
2667 | sizeof(conf->bss[0]->iface)); | |
fab51186 P |
2668 | } else { |
2669 | char *driver = os_strchr(ptr, ' '); | |
2670 | ||
2671 | if (driver) | |
2672 | *driver++ = '\0'; | |
2673 | conf = hostapd_config_alloc(interfaces, buf, ptr, driver); | |
2674 | } | |
2675 | ||
ed1bf011 | 2676 | if (conf == NULL || conf->bss == NULL) { |
06bb8c62 SP |
2677 | wpa_printf(MSG_ERROR, "%s: Failed to allocate memory " |
2678 | "for configuration", __func__); | |
2679 | goto fail; | |
2680 | } | |
2681 | ||
28016592 | 2682 | if (hostapd_data_alloc(hapd_iface, conf) < 0) { |
06bb8c62 SP |
2683 | wpa_printf(MSG_ERROR, "%s: Failed to allocate memory " |
2684 | "for hostapd", __func__); | |
2685 | goto fail; | |
2686 | } | |
c1c07dcb | 2687 | conf = NULL; |
06bb8c62 | 2688 | |
e4ba0315 | 2689 | if (start_ctrl_iface(hapd_iface) < 0) |
06bb8c62 | 2690 | goto fail; |
e4ba0315 | 2691 | |
c1c07dcb JM |
2692 | wpa_printf(MSG_INFO, "Add interface '%s'", |
2693 | hapd_iface->conf->bss[0]->iface); | |
06bb8c62 SP |
2694 | |
2695 | return 0; | |
2696 | ||
2697 | fail: | |
2698 | if (conf) | |
2699 | hostapd_config_free(conf); | |
2700 | if (hapd_iface) { | |
33b0b330 | 2701 | if (hapd_iface->bss) { |
486d2ff0 JM |
2702 | for (i = 0; i < hapd_iface->num_bss; i++) { |
2703 | hapd = hapd_iface->bss[i]; | |
7b6e8157 JM |
2704 | if (!hapd) |
2705 | continue; | |
2706 | if (hapd_iface->interfaces && | |
486d2ff0 JM |
2707 | hapd_iface->interfaces->ctrl_iface_deinit) |
2708 | hapd_iface->interfaces-> | |
2709 | ctrl_iface_deinit(hapd); | |
747c85f9 JM |
2710 | wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)", |
2711 | __func__, hapd_iface->bss[i], | |
7b6e8157 | 2712 | hapd->conf->iface); |
71f1d1e5 | 2713 | hostapd_cleanup(hapd); |
7b6e8157 JM |
2714 | os_free(hapd); |
2715 | hapd_iface->bss[i] = NULL; | |
486d2ff0 | 2716 | } |
33b0b330 | 2717 | os_free(hapd_iface->bss); |
71f1d1e5 | 2718 | hapd_iface->bss = NULL; |
33b0b330 | 2719 | } |
28016592 JM |
2720 | if (new_iface) { |
2721 | interfaces->count--; | |
2722 | interfaces->iface[interfaces->count] = NULL; | |
2723 | } | |
71f1d1e5 | 2724 | hostapd_cleanup_iface(hapd_iface); |
06bb8c62 SP |
2725 | } |
2726 | return -1; | |
2727 | } | |
2728 | ||
2729 | ||
55920658 JM |
2730 | static int hostapd_remove_bss(struct hostapd_iface *iface, unsigned int idx) |
2731 | { | |
55920658 JM |
2732 | size_t i; |
2733 | ||
cdf3fb1f | 2734 | wpa_printf(MSG_INFO, "Remove BSS '%s'", iface->conf->bss[idx]->iface); |
55920658 | 2735 | |
cdf3fb1f JM |
2736 | /* Remove hostapd_data only if it has already been initialized */ |
2737 | if (idx < iface->num_bss) { | |
2738 | struct hostapd_data *hapd = iface->bss[idx]; | |
55920658 | 2739 | |
54246f8d | 2740 | hostapd_bss_deinit(hapd); |
747c85f9 JM |
2741 | wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)", |
2742 | __func__, hapd, hapd->conf->iface); | |
cdf3fb1f | 2743 | hostapd_config_free_bss(hapd->conf); |
28016592 | 2744 | hapd->conf = NULL; |
cdf3fb1f JM |
2745 | os_free(hapd); |
2746 | ||
2747 | iface->num_bss--; | |
2748 | ||
2749 | for (i = idx; i < iface->num_bss; i++) | |
2750 | iface->bss[i] = iface->bss[i + 1]; | |
2751 | } else { | |
2752 | hostapd_config_free_bss(iface->conf->bss[idx]); | |
2753 | iface->conf->bss[idx] = NULL; | |
2754 | } | |
55920658 JM |
2755 | |
2756 | iface->conf->num_bss--; | |
cdf3fb1f | 2757 | for (i = idx; i < iface->conf->num_bss; i++) |
55920658 JM |
2758 | iface->conf->bss[i] = iface->conf->bss[i + 1]; |
2759 | ||
2760 | return 0; | |
2761 | } | |
2762 | ||
2763 | ||
06bb8c62 SP |
2764 | int hostapd_remove_iface(struct hapd_interfaces *interfaces, char *buf) |
2765 | { | |
2766 | struct hostapd_iface *hapd_iface; | |
55920658 | 2767 | size_t i, j, k = 0; |
06bb8c62 SP |
2768 | |
2769 | for (i = 0; i < interfaces->count; i++) { | |
2770 | hapd_iface = interfaces->iface[i]; | |
2771 | if (hapd_iface == NULL) | |
2772 | return -1; | |
2f99d907 | 2773 | if (!os_strcmp(hapd_iface->conf->bss[0]->iface, buf)) { |
06bb8c62 | 2774 | wpa_printf(MSG_INFO, "Remove interface '%s'", buf); |
354c903f MB |
2775 | hapd_iface->driver_ap_teardown = |
2776 | !!(hapd_iface->drv_flags & | |
2777 | WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); | |
2778 | ||
06bb8c62 SP |
2779 | hostapd_interface_deinit_free(hapd_iface); |
2780 | k = i; | |
2781 | while (k < (interfaces->count - 1)) { | |
2782 | interfaces->iface[k] = | |
2783 | interfaces->iface[k + 1]; | |
2784 | k++; | |
2785 | } | |
2786 | interfaces->count--; | |
2787 | return 0; | |
2788 | } | |
55920658 JM |
2789 | |
2790 | for (j = 0; j < hapd_iface->conf->num_bss; j++) { | |
354c903f MB |
2791 | if (!os_strcmp(hapd_iface->conf->bss[j]->iface, buf)) { |
2792 | hapd_iface->driver_ap_teardown = | |
2793 | !(hapd_iface->drv_flags & | |
2794 | WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT); | |
55920658 | 2795 | return hostapd_remove_bss(hapd_iface, j); |
354c903f | 2796 | } |
55920658 | 2797 | } |
06bb8c62 SP |
2798 | } |
2799 | return -1; | |
2800 | } | |
2801 | ||
75545652 | 2802 | |
a2de634d JM |
2803 | /** |
2804 | * hostapd_new_assoc_sta - Notify that a new station associated with the AP | |
2805 | * @hapd: Pointer to BSS data | |
2806 | * @sta: Pointer to the associated STA data | |
2807 | * @reassoc: 1 to indicate this was a re-association; 0 = first association | |
2808 | * | |
2809 | * This function will be called whenever a station associates with the AP. It | |
2810 | * can be called from ieee802_11.c for drivers that export MLME to hostapd and | |
2811 | * from drv_callbacks.c based on driver events for drivers that take care of | |
2812 | * management frames (IEEE 802.11 authentication and association) internally. | |
2813 | */ | |
2814 | void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, | |
2815 | int reassoc) | |
2816 | { | |
2817 | if (hapd->tkip_countermeasures) { | |
51e2a27a JM |
2818 | hostapd_drv_sta_deauth(hapd, sta->addr, |
2819 | WLAN_REASON_MICHAEL_MIC_FAILURE); | |
a2de634d JM |
2820 | return; |
2821 | } | |
2822 | ||
0aef3ec8 | 2823 | hostapd_prune_associations(hapd, sta->addr); |
9e8fde21 | 2824 | ap_sta_clear_disconnect_timeouts(hapd, sta); |
a2de634d JM |
2825 | |
2826 | /* IEEE 802.11F (IAPP) */ | |
2827 | if (hapd->conf->ieee802_11f) | |
2828 | iapp_new_station(hapd->iapp, sta); | |
2829 | ||
aefb53bd JM |
2830 | #ifdef CONFIG_P2P |
2831 | if (sta->p2p_ie == NULL && !sta->no_p2p_set) { | |
2832 | sta->no_p2p_set = 1; | |
2833 | hapd->num_sta_no_p2p++; | |
2834 | if (hapd->num_sta_no_p2p == 1) | |
2835 | hostapd_p2p_non_p2p_sta_connected(hapd); | |
2836 | } | |
2837 | #endif /* CONFIG_P2P */ | |
2838 | ||
a2de634d JM |
2839 | /* Start accounting here, if IEEE 802.1X and WPA are not used. |
2840 | * IEEE 802.1X/WPA code will start accounting after the station has | |
2841 | * been authorized. */ | |
95faa36a | 2842 | if (!hapd->conf->ieee802_1x && !hapd->conf->wpa && !hapd->conf->osen) { |
113318ad | 2843 | ap_sta_set_authorized(hapd, sta, 1); |
b3493fa1 | 2844 | os_get_reltime(&sta->connected_time); |
a2de634d | 2845 | accounting_sta_start(hapd, sta); |
39b1572c | 2846 | } |
a2de634d JM |
2847 | |
2848 | /* Start IEEE 802.1X authentication process for new stations */ | |
2849 | ieee802_1x_new_station(hapd, sta); | |
2850 | if (reassoc) { | |
2851 | if (sta->auth_alg != WLAN_AUTH_FT && | |
2852 | !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) | |
2853 | wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH); | |
2854 | } else | |
2855 | wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm); | |
a625ff60 | 2856 | |
08032c74 ST |
2857 | if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED) { |
2858 | if (eloop_cancel_timeout(ap_handle_timer, hapd, sta) > 0) { | |
2859 | wpa_printf(MSG_DEBUG, | |
2860 | "%s: %s: canceled wired ap_handle_timer timeout for " | |
2861 | MACSTR, | |
2862 | hapd->conf->iface, __func__, | |
2863 | MAC2STR(sta->addr)); | |
2864 | } | |
2865 | } else if (!(hapd->iface->drv_flags & | |
2866 | WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) { | |
03269d55 JM |
2867 | wpa_printf(MSG_DEBUG, |
2868 | "%s: %s: reschedule ap_handle_timer timeout for " | |
2869 | MACSTR " (%d seconds - ap_max_inactivity)", | |
2870 | hapd->conf->iface, __func__, MAC2STR(sta->addr), | |
336167c8 MSS |
2871 | hapd->conf->ap_max_inactivity); |
2872 | eloop_cancel_timeout(ap_handle_timer, hapd, sta); | |
2873 | eloop_register_timeout(hapd->conf->ap_max_inactivity, 0, | |
2874 | ap_handle_timer, hapd, sta); | |
2875 | } | |
a2de634d | 2876 | } |
e1c5faf0 JM |
2877 | |
2878 | ||
5ae6449c | 2879 | const char * hostapd_state_text(enum hostapd_iface_state s) |
e1c5faf0 JM |
2880 | { |
2881 | switch (s) { | |
2882 | case HAPD_IFACE_UNINITIALIZED: | |
2883 | return "UNINITIALIZED"; | |
2884 | case HAPD_IFACE_DISABLED: | |
2885 | return "DISABLED"; | |
2886 | case HAPD_IFACE_COUNTRY_UPDATE: | |
2887 | return "COUNTRY_UPDATE"; | |
2888 | case HAPD_IFACE_ACS: | |
2889 | return "ACS"; | |
2890 | case HAPD_IFACE_HT_SCAN: | |
2891 | return "HT_SCAN"; | |
2892 | case HAPD_IFACE_DFS: | |
2893 | return "DFS"; | |
2894 | case HAPD_IFACE_ENABLED: | |
2895 | return "ENABLED"; | |
2896 | } | |
2897 | ||
2898 | return "UNKNOWN"; | |
2899 | } | |
2900 | ||
2901 | ||
2902 | void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s) | |
2903 | { | |
2904 | wpa_printf(MSG_INFO, "%s: interface state %s->%s", | |
9c10be3f JM |
2905 | iface->conf ? iface->conf->bss[0]->iface : "N/A", |
2906 | hostapd_state_text(iface->state), hostapd_state_text(s)); | |
e1c5faf0 JM |
2907 | iface->state = s; |
2908 | } | |
bf281c12 AO |
2909 | |
2910 | ||
4e0ab656 IP |
2911 | int hostapd_csa_in_progress(struct hostapd_iface *iface) |
2912 | { | |
2913 | unsigned int i; | |
2914 | ||
2915 | for (i = 0; i < iface->num_bss; i++) | |
2916 | if (iface->bss[i]->csa_in_progress) | |
2917 | return 1; | |
2918 | return 0; | |
2919 | } | |
2920 | ||
2921 | ||
bf281c12 AO |
2922 | #ifdef NEED_AP_MLME |
2923 | ||
2924 | static void free_beacon_data(struct beacon_data *beacon) | |
2925 | { | |
2926 | os_free(beacon->head); | |
2927 | beacon->head = NULL; | |
2928 | os_free(beacon->tail); | |
2929 | beacon->tail = NULL; | |
2930 | os_free(beacon->probe_resp); | |
2931 | beacon->probe_resp = NULL; | |
2932 | os_free(beacon->beacon_ies); | |
2933 | beacon->beacon_ies = NULL; | |
2934 | os_free(beacon->proberesp_ies); | |
2935 | beacon->proberesp_ies = NULL; | |
2936 | os_free(beacon->assocresp_ies); | |
2937 | beacon->assocresp_ies = NULL; | |
2938 | } | |
2939 | ||
2940 | ||
6782b684 | 2941 | static int hostapd_build_beacon_data(struct hostapd_data *hapd, |
bf281c12 AO |
2942 | struct beacon_data *beacon) |
2943 | { | |
2944 | struct wpabuf *beacon_extra, *proberesp_extra, *assocresp_extra; | |
2945 | struct wpa_driver_ap_params params; | |
2946 | int ret; | |
bf281c12 | 2947 | |
80ed037f | 2948 | os_memset(beacon, 0, sizeof(*beacon)); |
bf281c12 AO |
2949 | ret = ieee802_11_build_ap_params(hapd, ¶ms); |
2950 | if (ret < 0) | |
2951 | return ret; | |
2952 | ||
2953 | ret = hostapd_build_ap_extra_ies(hapd, &beacon_extra, | |
2954 | &proberesp_extra, | |
2955 | &assocresp_extra); | |
2956 | if (ret) | |
2957 | goto free_ap_params; | |
2958 | ||
2959 | ret = -1; | |
a1f11e34 | 2960 | beacon->head = os_memdup(params.head, params.head_len); |
bf281c12 AO |
2961 | if (!beacon->head) |
2962 | goto free_ap_extra_ies; | |
2963 | ||
bf281c12 AO |
2964 | beacon->head_len = params.head_len; |
2965 | ||
a1f11e34 | 2966 | beacon->tail = os_memdup(params.tail, params.tail_len); |
bf281c12 AO |
2967 | if (!beacon->tail) |
2968 | goto free_beacon; | |
2969 | ||
bf281c12 AO |
2970 | beacon->tail_len = params.tail_len; |
2971 | ||
2972 | if (params.proberesp != NULL) { | |
a1f11e34 JB |
2973 | beacon->probe_resp = os_memdup(params.proberesp, |
2974 | params.proberesp_len); | |
bf281c12 AO |
2975 | if (!beacon->probe_resp) |
2976 | goto free_beacon; | |
2977 | ||
bf281c12 AO |
2978 | beacon->probe_resp_len = params.proberesp_len; |
2979 | } | |
2980 | ||
2981 | /* copy the extra ies */ | |
2982 | if (beacon_extra) { | |
a1f11e34 JB |
2983 | beacon->beacon_ies = os_memdup(beacon_extra->buf, |
2984 | wpabuf_len(beacon_extra)); | |
bf281c12 AO |
2985 | if (!beacon->beacon_ies) |
2986 | goto free_beacon; | |
2987 | ||
bf281c12 AO |
2988 | beacon->beacon_ies_len = wpabuf_len(beacon_extra); |
2989 | } | |
2990 | ||
2991 | if (proberesp_extra) { | |
a1f11e34 JB |
2992 | beacon->proberesp_ies = os_memdup(proberesp_extra->buf, |
2993 | wpabuf_len(proberesp_extra)); | |
bf281c12 AO |
2994 | if (!beacon->proberesp_ies) |
2995 | goto free_beacon; | |
2996 | ||
bf281c12 AO |
2997 | beacon->proberesp_ies_len = wpabuf_len(proberesp_extra); |
2998 | } | |
2999 | ||
3000 | if (assocresp_extra) { | |
a1f11e34 JB |
3001 | beacon->assocresp_ies = os_memdup(assocresp_extra->buf, |
3002 | wpabuf_len(assocresp_extra)); | |
bf281c12 AO |
3003 | if (!beacon->assocresp_ies) |
3004 | goto free_beacon; | |
3005 | ||
bf281c12 AO |
3006 | beacon->assocresp_ies_len = wpabuf_len(assocresp_extra); |
3007 | } | |
3008 | ||
3009 | ret = 0; | |
3010 | free_beacon: | |
3011 | /* if the function fails, the caller should not free beacon data */ | |
3012 | if (ret) | |
3013 | free_beacon_data(beacon); | |
3014 | ||
3015 | free_ap_extra_ies: | |
3016 | hostapd_free_ap_extra_ies(hapd, beacon_extra, proberesp_extra, | |
3017 | assocresp_extra); | |
3018 | free_ap_params: | |
3019 | ieee802_11_free_ap_params(¶ms); | |
3020 | return ret; | |
3021 | } | |
3022 | ||
3023 | ||
3024 | /* | |
982896ff AO |
3025 | * TODO: This flow currently supports only changing channel and width within |
3026 | * the same hw_mode. Any other changes to MAC parameters or provided settings | |
3027 | * are not supported. | |
bf281c12 AO |
3028 | */ |
3029 | static int hostapd_change_config_freq(struct hostapd_data *hapd, | |
3030 | struct hostapd_config *conf, | |
3031 | struct hostapd_freq_params *params, | |
3032 | struct hostapd_freq_params *old_params) | |
3033 | { | |
3034 | int channel; | |
3035 | ||
3036 | if (!params->channel) { | |
3037 | /* check if the new channel is supported by hw */ | |
5841958f | 3038 | params->channel = hostapd_hw_get_channel(hapd, params->freq); |
bf281c12 AO |
3039 | } |
3040 | ||
5841958f MK |
3041 | channel = params->channel; |
3042 | if (!channel) | |
3043 | return -1; | |
3044 | ||
bf281c12 | 3045 | /* if a pointer to old_params is provided we save previous state */ |
982896ff AO |
3046 | if (old_params && |
3047 | hostapd_set_freq_params(old_params, conf->hw_mode, | |
3048 | hostapd_hw_get_freq(hapd, conf->channel), | |
3049 | conf->channel, conf->ieee80211n, | |
3050 | conf->ieee80211ac, | |
3051 | conf->secondary_channel, | |
3052 | conf->vht_oper_chwidth, | |
3053 | conf->vht_oper_centr_freq_seg0_idx, | |
3054 | conf->vht_oper_centr_freq_seg1_idx, | |
3055 | conf->vht_capab)) | |
3056 | return -1; | |
3057 | ||
3058 | switch (params->bandwidth) { | |
3059 | case 0: | |
3060 | case 20: | |
3061 | case 40: | |
3062 | conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT; | |
3063 | break; | |
3064 | case 80: | |
3065 | if (params->center_freq2) | |
3066 | conf->vht_oper_chwidth = VHT_CHANWIDTH_80P80MHZ; | |
3067 | else | |
3068 | conf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ; | |
3069 | break; | |
3070 | case 160: | |
3071 | conf->vht_oper_chwidth = VHT_CHANWIDTH_160MHZ; | |
3072 | break; | |
3073 | default: | |
3074 | return -1; | |
bf281c12 AO |
3075 | } |
3076 | ||
3077 | conf->channel = channel; | |
3078 | conf->ieee80211n = params->ht_enabled; | |
3079 | conf->secondary_channel = params->sec_channel_offset; | |
d308a44f LC |
3080 | ieee80211_freq_to_chan(params->center_freq1, |
3081 | &conf->vht_oper_centr_freq_seg0_idx); | |
3082 | ieee80211_freq_to_chan(params->center_freq2, | |
3083 | &conf->vht_oper_centr_freq_seg1_idx); | |
bf281c12 AO |
3084 | |
3085 | /* TODO: maybe call here hostapd_config_check here? */ | |
3086 | ||
3087 | return 0; | |
3088 | } | |
3089 | ||
3090 | ||
6782b684 | 3091 | static int hostapd_fill_csa_settings(struct hostapd_data *hapd, |
bf281c12 AO |
3092 | struct csa_settings *settings) |
3093 | { | |
6782b684 | 3094 | struct hostapd_iface *iface = hapd->iface; |
bf281c12 AO |
3095 | struct hostapd_freq_params old_freq; |
3096 | int ret; | |
fa53d74c | 3097 | u8 chan, vht_bandwidth; |
bf281c12 AO |
3098 | |
3099 | os_memset(&old_freq, 0, sizeof(old_freq)); | |
6782b684 | 3100 | if (!iface || !iface->freq || hapd->csa_in_progress) |
bf281c12 AO |
3101 | return -1; |
3102 | ||
fa53d74c AO |
3103 | switch (settings->freq_params.bandwidth) { |
3104 | case 80: | |
3105 | if (settings->freq_params.center_freq2) | |
3106 | vht_bandwidth = VHT_CHANWIDTH_80P80MHZ; | |
3107 | else | |
3108 | vht_bandwidth = VHT_CHANWIDTH_80MHZ; | |
3109 | break; | |
3110 | case 160: | |
3111 | vht_bandwidth = VHT_CHANWIDTH_160MHZ; | |
3112 | break; | |
3113 | default: | |
3114 | vht_bandwidth = VHT_CHANWIDTH_USE_HT; | |
3115 | break; | |
3116 | } | |
3117 | ||
7d82170a LC |
3118 | if (ieee80211_freq_to_channel_ext( |
3119 | settings->freq_params.freq, | |
3120 | settings->freq_params.sec_channel_offset, | |
fa53d74c | 3121 | vht_bandwidth, |
7d82170a LC |
3122 | &hapd->iface->cs_oper_class, |
3123 | &chan) == NUM_HOSTAPD_MODES) { | |
3124 | wpa_printf(MSG_DEBUG, | |
3125 | "invalid frequency for channel switch (freq=%d, sec_channel_offset=%d, vht_enabled=%d)", | |
3126 | settings->freq_params.freq, | |
3127 | settings->freq_params.sec_channel_offset, | |
3128 | settings->freq_params.vht_enabled); | |
3129 | return -1; | |
3130 | } | |
3131 | ||
3132 | settings->freq_params.channel = chan; | |
3133 | ||
bf281c12 AO |
3134 | ret = hostapd_change_config_freq(iface->bss[0], iface->conf, |
3135 | &settings->freq_params, | |
3136 | &old_freq); | |
3137 | if (ret) | |
3138 | return ret; | |
3139 | ||
6782b684 | 3140 | ret = hostapd_build_beacon_data(hapd, &settings->beacon_after); |
bf281c12 AO |
3141 | |
3142 | /* change back the configuration */ | |
3143 | hostapd_change_config_freq(iface->bss[0], iface->conf, | |
3144 | &old_freq, NULL); | |
3145 | ||
3146 | if (ret) | |
3147 | return ret; | |
3148 | ||
3149 | /* set channel switch parameters for csa ie */ | |
6782b684 MK |
3150 | hapd->cs_freq_params = settings->freq_params; |
3151 | hapd->cs_count = settings->cs_count; | |
3152 | hapd->cs_block_tx = settings->block_tx; | |
bf281c12 | 3153 | |
6782b684 | 3154 | ret = hostapd_build_beacon_data(hapd, &settings->beacon_csa); |
bf281c12 AO |
3155 | if (ret) { |
3156 | free_beacon_data(&settings->beacon_after); | |
3157 | return ret; | |
3158 | } | |
3159 | ||
366179d2 AO |
3160 | settings->counter_offset_beacon[0] = hapd->cs_c_off_beacon; |
3161 | settings->counter_offset_presp[0] = hapd->cs_c_off_proberesp; | |
6315bfdb AO |
3162 | settings->counter_offset_beacon[1] = hapd->cs_c_off_ecsa_beacon; |
3163 | settings->counter_offset_presp[1] = hapd->cs_c_off_ecsa_proberesp; | |
bf281c12 AO |
3164 | |
3165 | return 0; | |
3166 | } | |
3167 | ||
3168 | ||
3169 | void hostapd_cleanup_cs_params(struct hostapd_data *hapd) | |
3170 | { | |
6782b684 MK |
3171 | os_memset(&hapd->cs_freq_params, 0, sizeof(hapd->cs_freq_params)); |
3172 | hapd->cs_count = 0; | |
3173 | hapd->cs_block_tx = 0; | |
3174 | hapd->cs_c_off_beacon = 0; | |
3175 | hapd->cs_c_off_proberesp = 0; | |
3176 | hapd->csa_in_progress = 0; | |
6315bfdb AO |
3177 | hapd->cs_c_off_ecsa_beacon = 0; |
3178 | hapd->cs_c_off_ecsa_proberesp = 0; | |
bf281c12 AO |
3179 | } |
3180 | ||
3181 | ||
3182 | int hostapd_switch_channel(struct hostapd_data *hapd, | |
3183 | struct csa_settings *settings) | |
3184 | { | |
3185 | int ret; | |
d66873f5 AO |
3186 | |
3187 | if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) { | |
3188 | wpa_printf(MSG_INFO, "CSA is not supported"); | |
3189 | return -1; | |
3190 | } | |
3191 | ||
6782b684 | 3192 | ret = hostapd_fill_csa_settings(hapd, settings); |
bf281c12 AO |
3193 | if (ret) |
3194 | return ret; | |
3195 | ||
3196 | ret = hostapd_drv_switch_channel(hapd, settings); | |
3197 | free_beacon_data(&settings->beacon_csa); | |
3198 | free_beacon_data(&settings->beacon_after); | |
3199 | ||
3200 | if (ret) { | |
3201 | /* if we failed, clean cs parameters */ | |
3202 | hostapd_cleanup_cs_params(hapd); | |
3203 | return ret; | |
3204 | } | |
3205 | ||
6782b684 | 3206 | hapd->csa_in_progress = 1; |
bf281c12 AO |
3207 | return 0; |
3208 | } | |
3209 | ||
5841958f MK |
3210 | |
3211 | void | |
3212 | hostapd_switch_channel_fallback(struct hostapd_iface *iface, | |
3213 | const struct hostapd_freq_params *freq_params) | |
3214 | { | |
3215 | int vht_seg0_idx = 0, vht_seg1_idx = 0, vht_bw = VHT_CHANWIDTH_USE_HT; | |
3216 | unsigned int i; | |
3217 | ||
3218 | wpa_printf(MSG_DEBUG, "Restarting all CSA-related BSSes"); | |
3219 | ||
3220 | if (freq_params->center_freq1) | |
3221 | vht_seg0_idx = 36 + (freq_params->center_freq1 - 5180) / 5; | |
3222 | if (freq_params->center_freq2) | |
3223 | vht_seg1_idx = 36 + (freq_params->center_freq2 - 5180) / 5; | |
3224 | ||
3225 | switch (freq_params->bandwidth) { | |
3226 | case 0: | |
3227 | case 20: | |
3228 | case 40: | |
3229 | vht_bw = VHT_CHANWIDTH_USE_HT; | |
3230 | break; | |
3231 | case 80: | |
3232 | if (freq_params->center_freq2) | |
3233 | vht_bw = VHT_CHANWIDTH_80P80MHZ; | |
3234 | else | |
3235 | vht_bw = VHT_CHANWIDTH_80MHZ; | |
3236 | break; | |
3237 | case 160: | |
3238 | vht_bw = VHT_CHANWIDTH_160MHZ; | |
3239 | break; | |
3240 | default: | |
3241 | wpa_printf(MSG_WARNING, "Unknown CSA bandwidth: %d", | |
3242 | freq_params->bandwidth); | |
3243 | break; | |
3244 | } | |
3245 | ||
3246 | iface->freq = freq_params->freq; | |
3247 | iface->conf->channel = freq_params->channel; | |
3248 | iface->conf->secondary_channel = freq_params->sec_channel_offset; | |
3249 | iface->conf->vht_oper_centr_freq_seg0_idx = vht_seg0_idx; | |
3250 | iface->conf->vht_oper_centr_freq_seg1_idx = vht_seg1_idx; | |
3251 | iface->conf->vht_oper_chwidth = vht_bw; | |
3252 | iface->conf->ieee80211n = freq_params->ht_enabled; | |
3253 | iface->conf->ieee80211ac = freq_params->vht_enabled; | |
3254 | ||
3255 | /* | |
3256 | * cs_params must not be cleared earlier because the freq_params | |
3257 | * argument may actually point to one of these. | |
3258 | */ | |
3259 | for (i = 0; i < iface->num_bss; i++) | |
3260 | hostapd_cleanup_cs_params(iface->bss[i]); | |
3261 | ||
3262 | hostapd_disable_iface(iface); | |
3263 | hostapd_enable_iface(iface); | |
3264 | } | |
3265 | ||
45e3fc72 RM |
3266 | #endif /* NEED_AP_MLME */ |
3267 | ||
6959145b AN |
3268 | |
3269 | struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces, | |
3270 | const char *ifname) | |
3271 | { | |
3272 | size_t i, j; | |
3273 | ||
3274 | for (i = 0; i < interfaces->count; i++) { | |
3275 | struct hostapd_iface *iface = interfaces->iface[i]; | |
3276 | ||
3277 | for (j = 0; j < iface->num_bss; j++) { | |
3278 | struct hostapd_data *hapd = iface->bss[j]; | |
3279 | ||
3280 | if (os_strcmp(ifname, hapd->conf->iface) == 0) | |
3281 | return hapd; | |
3282 | } | |
3283 | } | |
3284 | ||
3285 | return NULL; | |
3286 | } | |
3287 | ||
3188aaba JM |
3288 | |
3289 | void hostapd_periodic_iface(struct hostapd_iface *iface) | |
3290 | { | |
22fd2822 JM |
3291 | size_t i; |
3292 | ||
de744892 JM |
3293 | ap_list_timer(iface); |
3294 | ||
22fd2822 JM |
3295 | for (i = 0; i < iface->num_bss; i++) { |
3296 | struct hostapd_data *hapd = iface->bss[i]; | |
3297 | ||
3298 | if (!hapd->started) | |
3299 | continue; | |
3300 | ||
3301 | #ifndef CONFIG_NO_RADIUS | |
3302 | hostapd_acl_expire(hapd); | |
3303 | #endif /* CONFIG_NO_RADIUS */ | |
3304 | } | |
3188aaba | 3305 | } |