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hostapd: update to 2022-05-08
[openwrt/staging/stintel.git] / package / network / services / hostapd / src / src / ap / ubus.c
1 /*
2 * hostapd / ubus support
3 * Copyright (c) 2013, Felix Fietkau <nbd@nbd.name>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10 #include "utils/common.h"
11 #include "utils/eloop.h"
12 #include "utils/wpabuf.h"
13 #include "common/ieee802_11_defs.h"
14 #include "common/hw_features_common.h"
15 #include "hostapd.h"
16 #include "neighbor_db.h"
17 #include "wps_hostapd.h"
18 #include "sta_info.h"
19 #include "ubus.h"
20 #include "ap_drv_ops.h"
21 #include "beacon.h"
22 #include "rrm.h"
23 #include "wnm_ap.h"
24 #include "taxonomy.h"
25 #include "airtime_policy.h"
26 #include "hw_features.h"
27
28 static struct ubus_context *ctx;
29 static struct blob_buf b;
30 static int ctx_ref;
31
32 static inline struct hapd_interfaces *get_hapd_interfaces_from_object(struct ubus_object *obj)
33 {
34 return container_of(obj, struct hapd_interfaces, ubus);
35 }
36
37 static inline struct hostapd_data *get_hapd_from_object(struct ubus_object *obj)
38 {
39 return container_of(obj, struct hostapd_data, ubus.obj);
40 }
41
42 struct ubus_banned_client {
43 struct avl_node avl;
44 u8 addr[ETH_ALEN];
45 };
46
47 static void ubus_receive(int sock, void *eloop_ctx, void *sock_ctx)
48 {
49 struct ubus_context *ctx = eloop_ctx;
50 ubus_handle_event(ctx);
51 }
52
53 static void ubus_reconnect_timeout(void *eloop_data, void *user_ctx)
54 {
55 if (ubus_reconnect(ctx, NULL)) {
56 eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
57 return;
58 }
59
60 eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
61 }
62
63 static void hostapd_ubus_connection_lost(struct ubus_context *ctx)
64 {
65 eloop_unregister_read_sock(ctx->sock.fd);
66 eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
67 }
68
69 static bool hostapd_ubus_init(void)
70 {
71 if (ctx)
72 return true;
73
74 ctx = ubus_connect(NULL);
75 if (!ctx)
76 return false;
77
78 ctx->connection_lost = hostapd_ubus_connection_lost;
79 eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
80 return true;
81 }
82
83 static void hostapd_ubus_ref_inc(void)
84 {
85 ctx_ref++;
86 }
87
88 static void hostapd_ubus_ref_dec(void)
89 {
90 ctx_ref--;
91 if (!ctx)
92 return;
93
94 if (ctx_ref)
95 return;
96
97 eloop_unregister_read_sock(ctx->sock.fd);
98 ubus_free(ctx);
99 ctx = NULL;
100 }
101
102 void hostapd_ubus_add_iface(struct hostapd_iface *iface)
103 {
104 if (!hostapd_ubus_init())
105 return;
106 }
107
108 void hostapd_ubus_free_iface(struct hostapd_iface *iface)
109 {
110 if (!ctx)
111 return;
112 }
113
114 static void hostapd_notify_ubus(struct ubus_object *obj, char *bssname, char *event)
115 {
116 char *event_type;
117
118 if (!ctx || !obj)
119 return;
120
121 if (asprintf(&event_type, "bss.%s", event) < 0)
122 return;
123
124 blob_buf_init(&b, 0);
125 blobmsg_add_string(&b, "name", bssname);
126 ubus_notify(ctx, obj, event_type, b.head, -1);
127 free(event_type);
128 }
129
130 static void hostapd_send_procd_event(char *bssname, char *event)
131 {
132 char *name, *s;
133 uint32_t id;
134 void *v;
135
136 if (!ctx || ubus_lookup_id(ctx, "service", &id))
137 return;
138
139 if (asprintf(&name, "hostapd.%s.%s", bssname, event) < 0)
140 return;
141
142 blob_buf_init(&b, 0);
143
144 s = blobmsg_alloc_string_buffer(&b, "type", strlen(name) + 1);
145 sprintf(s, "%s", name);
146 blobmsg_add_string_buffer(&b);
147
148 v = blobmsg_open_table(&b, "data");
149 blobmsg_close_table(&b, v);
150
151 ubus_invoke(ctx, id, "event", b.head, NULL, NULL, 1000);
152
153 free(name);
154 }
155
156 static void hostapd_send_shared_event(struct ubus_object *obj, char *bssname, char *event)
157 {
158 hostapd_send_procd_event(bssname, event);
159 hostapd_notify_ubus(obj, bssname, event);
160 }
161
162 static void
163 hostapd_bss_del_ban(void *eloop_data, void *user_ctx)
164 {
165 struct ubus_banned_client *ban = eloop_data;
166 struct hostapd_data *hapd = user_ctx;
167
168 avl_delete(&hapd->ubus.banned, &ban->avl);
169 free(ban);
170 }
171
172 static void
173 hostapd_bss_ban_client(struct hostapd_data *hapd, u8 *addr, int time)
174 {
175 struct ubus_banned_client *ban;
176
177 if (time < 0)
178 time = 0;
179
180 ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
181 if (!ban) {
182 if (!time)
183 return;
184
185 ban = os_zalloc(sizeof(*ban));
186 memcpy(ban->addr, addr, sizeof(ban->addr));
187 ban->avl.key = ban->addr;
188 avl_insert(&hapd->ubus.banned, &ban->avl);
189 } else {
190 eloop_cancel_timeout(hostapd_bss_del_ban, ban, hapd);
191 if (!time) {
192 hostapd_bss_del_ban(ban, hapd);
193 return;
194 }
195 }
196
197 eloop_register_timeout(0, time * 1000, hostapd_bss_del_ban, ban, hapd);
198 }
199
200 static int
201 hostapd_bss_reload(struct ubus_context *ctx, struct ubus_object *obj,
202 struct ubus_request_data *req, const char *method,
203 struct blob_attr *msg)
204 {
205 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
206 int ret = hostapd_reload_config(hapd->iface, 1);
207
208 hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "reload");
209 return ret;
210 }
211
212
213 static void
214 hostapd_parse_vht_map_blobmsg(uint16_t map)
215 {
216 char label[4];
217 int16_t val;
218 int i;
219
220 for (i = 0; i < 8; i++) {
221 snprintf(label, 4, "%dss", i + 1);
222
223 val = (map & (BIT(1) | BIT(0))) + 7;
224 blobmsg_add_u16(&b, label, val == 10 ? -1 : val);
225 map = map >> 2;
226 }
227 }
228
229 static void
230 hostapd_parse_vht_capab_blobmsg(struct ieee80211_vht_capabilities *vhtc)
231 {
232 void *supported_mcs;
233 void *map;
234 int i;
235
236 static const struct {
237 const char *name;
238 uint32_t flag;
239 } vht_capas[] = {
240 { "su_beamformee", VHT_CAP_SU_BEAMFORMEE_CAPABLE },
241 { "mu_beamformee", VHT_CAP_MU_BEAMFORMEE_CAPABLE },
242 };
243
244 for (i = 0; i < ARRAY_SIZE(vht_capas); i++)
245 blobmsg_add_u8(&b, vht_capas[i].name,
246 !!(vhtc->vht_capabilities_info & vht_capas[i].flag));
247
248 supported_mcs = blobmsg_open_table(&b, "mcs_map");
249
250 /* RX map */
251 map = blobmsg_open_table(&b, "rx");
252 hostapd_parse_vht_map_blobmsg(le_to_host16(vhtc->vht_supported_mcs_set.rx_map));
253 blobmsg_close_table(&b, map);
254
255 /* TX map */
256 map = blobmsg_open_table(&b, "tx");
257 hostapd_parse_vht_map_blobmsg(le_to_host16(vhtc->vht_supported_mcs_set.tx_map));
258 blobmsg_close_table(&b, map);
259
260 blobmsg_close_table(&b, supported_mcs);
261 }
262
263 static void
264 hostapd_parse_capab_blobmsg(struct sta_info *sta)
265 {
266 void *r, *v;
267
268 v = blobmsg_open_table(&b, "capabilities");
269
270 if (sta->vht_capabilities) {
271 r = blobmsg_open_table(&b, "vht");
272 hostapd_parse_vht_capab_blobmsg(sta->vht_capabilities);
273 blobmsg_close_table(&b, r);
274 }
275
276 /* ToDo: Add HT / HE capability parsing */
277
278 blobmsg_close_table(&b, v);
279 }
280
281 static int
282 hostapd_bss_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
283 struct ubus_request_data *req, const char *method,
284 struct blob_attr *msg)
285 {
286 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
287 struct hostap_sta_driver_data sta_driver_data;
288 struct sta_info *sta;
289 void *list, *c;
290 char mac_buf[20];
291 static const struct {
292 const char *name;
293 uint32_t flag;
294 } sta_flags[] = {
295 { "auth", WLAN_STA_AUTH },
296 { "assoc", WLAN_STA_ASSOC },
297 { "authorized", WLAN_STA_AUTHORIZED },
298 { "preauth", WLAN_STA_PREAUTH },
299 { "wds", WLAN_STA_WDS },
300 { "wmm", WLAN_STA_WMM },
301 { "ht", WLAN_STA_HT },
302 { "vht", WLAN_STA_VHT },
303 { "he", WLAN_STA_HE },
304 { "wps", WLAN_STA_WPS },
305 { "mfp", WLAN_STA_MFP },
306 };
307
308 blob_buf_init(&b, 0);
309 blobmsg_add_u32(&b, "freq", hapd->iface->freq);
310 list = blobmsg_open_table(&b, "clients");
311 for (sta = hapd->sta_list; sta; sta = sta->next) {
312 void *r;
313 int i;
314
315 sprintf(mac_buf, MACSTR, MAC2STR(sta->addr));
316 c = blobmsg_open_table(&b, mac_buf);
317 for (i = 0; i < ARRAY_SIZE(sta_flags); i++)
318 blobmsg_add_u8(&b, sta_flags[i].name,
319 !!(sta->flags & sta_flags[i].flag));
320
321 r = blobmsg_open_array(&b, "rrm");
322 for (i = 0; i < ARRAY_SIZE(sta->rrm_enabled_capa); i++)
323 blobmsg_add_u32(&b, "", sta->rrm_enabled_capa[i]);
324 blobmsg_close_array(&b, r);
325
326 r = blobmsg_open_array(&b, "extended_capabilities");
327 /* Check if client advertises extended capabilities */
328 if (sta->ext_capability && sta->ext_capability[0] > 0) {
329 for (i = 0; i < sta->ext_capability[0]; i++) {
330 blobmsg_add_u32(&b, "", sta->ext_capability[1 + i]);
331 }
332 }
333 blobmsg_close_array(&b, r);
334
335 blobmsg_add_u32(&b, "aid", sta->aid);
336 #ifdef CONFIG_TAXONOMY
337 r = blobmsg_alloc_string_buffer(&b, "signature", 1024);
338 if (retrieve_sta_taxonomy(hapd, sta, r, 1024) > 0)
339 blobmsg_add_string_buffer(&b);
340 #endif
341
342 /* Driver information */
343 if (hostapd_drv_read_sta_data(hapd, &sta_driver_data, sta->addr) >= 0) {
344 r = blobmsg_open_table(&b, "bytes");
345 blobmsg_add_u64(&b, "rx", sta_driver_data.rx_bytes);
346 blobmsg_add_u64(&b, "tx", sta_driver_data.tx_bytes);
347 blobmsg_close_table(&b, r);
348 r = blobmsg_open_table(&b, "airtime");
349 blobmsg_add_u64(&b, "rx", sta_driver_data.rx_airtime);
350 blobmsg_add_u64(&b, "tx", sta_driver_data.tx_airtime);
351 blobmsg_close_table(&b, r);
352 r = blobmsg_open_table(&b, "packets");
353 blobmsg_add_u32(&b, "rx", sta_driver_data.rx_packets);
354 blobmsg_add_u32(&b, "tx", sta_driver_data.tx_packets);
355 blobmsg_close_table(&b, r);
356 r = blobmsg_open_table(&b, "rate");
357 /* Rate in kbits */
358 blobmsg_add_u32(&b, "rx", sta_driver_data.current_rx_rate * 100);
359 blobmsg_add_u32(&b, "tx", sta_driver_data.current_tx_rate * 100);
360 blobmsg_close_table(&b, r);
361 blobmsg_add_u32(&b, "signal", sta_driver_data.signal);
362 }
363
364 hostapd_parse_capab_blobmsg(sta);
365
366 blobmsg_close_table(&b, c);
367 }
368 blobmsg_close_array(&b, list);
369 ubus_send_reply(ctx, req, b.head);
370
371 return 0;
372 }
373
374 static int
375 hostapd_bss_get_features(struct ubus_context *ctx, struct ubus_object *obj,
376 struct ubus_request_data *req, const char *method,
377 struct blob_attr *msg)
378 {
379 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
380
381 blob_buf_init(&b, 0);
382 blobmsg_add_u8(&b, "ht_supported", ht_supported(hapd->iface->hw_features));
383 blobmsg_add_u8(&b, "vht_supported", vht_supported(hapd->iface->hw_features));
384 ubus_send_reply(ctx, req, b.head);
385
386 return 0;
387 }
388
389 /* Imported from iw/util.c
390 * https://git.kernel.org/pub/scm/linux/kernel/git/jberg/iw.git/tree/util.c?id=4b25ae3537af48dbf9d0abf94132e5ba01b32c18#n200
391 */
392 int ieee80211_frequency_to_channel(int freq)
393 {
394 /* see 802.11-2007 17.3.8.3.2 and Annex J */
395 if (freq == 2484)
396 return 14;
397 /* see 802.11ax D6.1 27.3.23.2 and Annex E */
398 else if (freq == 5935)
399 return 2;
400 else if (freq < 2484)
401 return (freq - 2407) / 5;
402 else if (freq >= 4910 && freq <= 4980)
403 return (freq - 4000) / 5;
404 else if (freq < 5950)
405 return (freq - 5000) / 5;
406 else if (freq <= 45000) /* DMG band lower limit */
407 /* see 802.11ax D6.1 27.3.23.2 */
408 return (freq - 5950) / 5;
409 else if (freq >= 58320 && freq <= 70200)
410 return (freq - 56160) / 2160;
411 else
412 return 0;
413 }
414
415 static int
416 hostapd_bss_get_status(struct ubus_context *ctx, struct ubus_object *obj,
417 struct ubus_request_data *req, const char *method,
418 struct blob_attr *msg)
419 {
420 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
421 void *airtime_table, *dfs_table, *rrm_table, *wnm_table;
422 struct os_reltime now;
423 char ssid[SSID_MAX_LEN + 1];
424 char phy_name[17];
425 size_t ssid_len = SSID_MAX_LEN;
426 u8 channel = 0, op_class = 0;
427
428 if (hapd->conf->ssid.ssid_len < SSID_MAX_LEN)
429 ssid_len = hapd->conf->ssid.ssid_len;
430
431 ieee80211_freq_to_channel_ext(hapd->iface->freq,
432 hapd->iconf->secondary_channel,
433 hostapd_get_oper_chwidth(hapd->iconf),
434 &op_class, &channel);
435
436 blob_buf_init(&b, 0);
437 blobmsg_add_string(&b, "status", hostapd_state_text(hapd->iface->state));
438 blobmsg_printf(&b, "bssid", MACSTR, MAC2STR(hapd->conf->bssid));
439
440 memset(ssid, 0, SSID_MAX_LEN + 1);
441 memcpy(ssid, hapd->conf->ssid.ssid, ssid_len);
442 blobmsg_add_string(&b, "ssid", ssid);
443
444 blobmsg_add_u32(&b, "freq", hapd->iface->freq);
445 blobmsg_add_u32(&b, "channel", channel);
446 blobmsg_add_u32(&b, "op_class", op_class);
447 blobmsg_add_u32(&b, "beacon_interval", hapd->iconf->beacon_int);
448
449 snprintf(phy_name, 17, "%s", hapd->iface->phy);
450 blobmsg_add_string(&b, "phy", phy_name);
451
452 /* RRM */
453 rrm_table = blobmsg_open_table(&b, "rrm");
454 blobmsg_add_u64(&b, "neighbor_report_tx", hapd->openwrt_stats.rrm.neighbor_report_tx);
455 blobmsg_close_table(&b, rrm_table);
456
457 /* WNM */
458 wnm_table = blobmsg_open_table(&b, "wnm");
459 blobmsg_add_u64(&b, "bss_transition_query_rx", hapd->openwrt_stats.wnm.bss_transition_query_rx);
460 blobmsg_add_u64(&b, "bss_transition_request_tx", hapd->openwrt_stats.wnm.bss_transition_request_tx);
461 blobmsg_add_u64(&b, "bss_transition_response_rx", hapd->openwrt_stats.wnm.bss_transition_response_rx);
462 blobmsg_close_table(&b, wnm_table);
463
464 /* Airtime */
465 airtime_table = blobmsg_open_table(&b, "airtime");
466 blobmsg_add_u64(&b, "time", hapd->iface->last_channel_time);
467 blobmsg_add_u64(&b, "time_busy", hapd->iface->last_channel_time_busy);
468 blobmsg_add_u16(&b, "utilization", hapd->iface->channel_utilization);
469 blobmsg_close_table(&b, airtime_table);
470
471 /* DFS */
472 dfs_table = blobmsg_open_table(&b, "dfs");
473 blobmsg_add_u32(&b, "cac_seconds", hapd->iface->dfs_cac_ms / 1000);
474 blobmsg_add_u8(&b, "cac_active", !!(hapd->iface->cac_started));
475 os_reltime_age(&hapd->iface->dfs_cac_start, &now);
476 blobmsg_add_u32(&b, "cac_seconds_left",
477 hapd->iface->cac_started ? hapd->iface->dfs_cac_ms / 1000 - now.sec : 0);
478 blobmsg_close_table(&b, dfs_table);
479
480 ubus_send_reply(ctx, req, b.head);
481
482 return 0;
483 }
484
485 enum {
486 NOTIFY_RESPONSE,
487 __NOTIFY_MAX
488 };
489
490 static const struct blobmsg_policy notify_policy[__NOTIFY_MAX] = {
491 [NOTIFY_RESPONSE] = { "notify_response", BLOBMSG_TYPE_INT32 },
492 };
493
494 static int
495 hostapd_notify_response(struct ubus_context *ctx, struct ubus_object *obj,
496 struct ubus_request_data *req, const char *method,
497 struct blob_attr *msg)
498 {
499 struct blob_attr *tb[__NOTIFY_MAX];
500 struct hostapd_data *hapd = get_hapd_from_object(obj);
501 struct wpabuf *elems;
502 const char *pos;
503 size_t len;
504
505 blobmsg_parse(notify_policy, __NOTIFY_MAX, tb,
506 blob_data(msg), blob_len(msg));
507
508 if (!tb[NOTIFY_RESPONSE])
509 return UBUS_STATUS_INVALID_ARGUMENT;
510
511 hapd->ubus.notify_response = blobmsg_get_u32(tb[NOTIFY_RESPONSE]);
512
513 return UBUS_STATUS_OK;
514 }
515
516 enum {
517 DEL_CLIENT_ADDR,
518 DEL_CLIENT_REASON,
519 DEL_CLIENT_DEAUTH,
520 DEL_CLIENT_BAN_TIME,
521 __DEL_CLIENT_MAX
522 };
523
524 static const struct blobmsg_policy del_policy[__DEL_CLIENT_MAX] = {
525 [DEL_CLIENT_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
526 [DEL_CLIENT_REASON] = { "reason", BLOBMSG_TYPE_INT32 },
527 [DEL_CLIENT_DEAUTH] = { "deauth", BLOBMSG_TYPE_INT8 },
528 [DEL_CLIENT_BAN_TIME] = { "ban_time", BLOBMSG_TYPE_INT32 },
529 };
530
531 static int
532 hostapd_bss_del_client(struct ubus_context *ctx, struct ubus_object *obj,
533 struct ubus_request_data *req, const char *method,
534 struct blob_attr *msg)
535 {
536 struct blob_attr *tb[__DEL_CLIENT_MAX];
537 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
538 struct sta_info *sta;
539 bool deauth = false;
540 int reason;
541 u8 addr[ETH_ALEN];
542
543 blobmsg_parse(del_policy, __DEL_CLIENT_MAX, tb, blob_data(msg), blob_len(msg));
544
545 if (!tb[DEL_CLIENT_ADDR])
546 return UBUS_STATUS_INVALID_ARGUMENT;
547
548 if (hwaddr_aton(blobmsg_data(tb[DEL_CLIENT_ADDR]), addr))
549 return UBUS_STATUS_INVALID_ARGUMENT;
550
551 if (tb[DEL_CLIENT_REASON])
552 reason = blobmsg_get_u32(tb[DEL_CLIENT_REASON]);
553
554 if (tb[DEL_CLIENT_DEAUTH])
555 deauth = blobmsg_get_bool(tb[DEL_CLIENT_DEAUTH]);
556
557 sta = ap_get_sta(hapd, addr);
558 if (sta) {
559 if (deauth) {
560 hostapd_drv_sta_deauth(hapd, addr, reason);
561 ap_sta_deauthenticate(hapd, sta, reason);
562 } else {
563 hostapd_drv_sta_disassoc(hapd, addr, reason);
564 ap_sta_disassociate(hapd, sta, reason);
565 }
566 }
567
568 if (tb[DEL_CLIENT_BAN_TIME])
569 hostapd_bss_ban_client(hapd, addr, blobmsg_get_u32(tb[DEL_CLIENT_BAN_TIME]));
570
571 return 0;
572 }
573
574 static void
575 blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const u8 *addr)
576 {
577 char *s;
578
579 s = blobmsg_alloc_string_buffer(buf, name, 20);
580 sprintf(s, MACSTR, MAC2STR(addr));
581 blobmsg_add_string_buffer(buf);
582 }
583
584 static int
585 hostapd_bss_list_bans(struct ubus_context *ctx, struct ubus_object *obj,
586 struct ubus_request_data *req, const char *method,
587 struct blob_attr *msg)
588 {
589 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
590 struct ubus_banned_client *ban;
591 void *c;
592
593 blob_buf_init(&b, 0);
594 c = blobmsg_open_array(&b, "clients");
595 avl_for_each_element(&hapd->ubus.banned, ban, avl)
596 blobmsg_add_macaddr(&b, NULL, ban->addr);
597 blobmsg_close_array(&b, c);
598 ubus_send_reply(ctx, req, b.head);
599
600 return 0;
601 }
602
603 #ifdef CONFIG_WPS
604 static int
605 hostapd_bss_wps_start(struct ubus_context *ctx, struct ubus_object *obj,
606 struct ubus_request_data *req, const char *method,
607 struct blob_attr *msg)
608 {
609 int rc;
610 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
611
612 rc = hostapd_wps_button_pushed(hapd, NULL);
613
614 if (rc != 0)
615 return UBUS_STATUS_NOT_SUPPORTED;
616
617 return 0;
618 }
619
620
621 static const char * pbc_status_enum_str(enum pbc_status status)
622 {
623 switch (status) {
624 case WPS_PBC_STATUS_DISABLE:
625 return "Disabled";
626 case WPS_PBC_STATUS_ACTIVE:
627 return "Active";
628 case WPS_PBC_STATUS_TIMEOUT:
629 return "Timed-out";
630 case WPS_PBC_STATUS_OVERLAP:
631 return "Overlap";
632 default:
633 return "Unknown";
634 }
635 }
636
637 static int
638 hostapd_bss_wps_status(struct ubus_context *ctx, struct ubus_object *obj,
639 struct ubus_request_data *req, const char *method,
640 struct blob_attr *msg)
641 {
642 int rc;
643 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
644
645 blob_buf_init(&b, 0);
646
647 blobmsg_add_string(&b, "pbc_status", pbc_status_enum_str(hapd->wps_stats.pbc_status));
648 blobmsg_add_string(&b, "last_wps_result",
649 (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
650 "Success":
651 (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
652 "Failed" : "None")));
653
654 /* If status == Failure - Add possible Reasons */
655 if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
656 hapd->wps_stats.failure_reason > 0)
657 blobmsg_add_string(&b, "reason", wps_ei_str(hapd->wps_stats.failure_reason));
658
659 if (hapd->wps_stats.status)
660 blobmsg_printf(&b, "peer_address", MACSTR, MAC2STR(hapd->wps_stats.peer_addr));
661
662 ubus_send_reply(ctx, req, b.head);
663
664 return 0;
665 }
666
667 static int
668 hostapd_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj,
669 struct ubus_request_data *req, const char *method,
670 struct blob_attr *msg)
671 {
672 int rc;
673 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
674
675 rc = hostapd_wps_cancel(hapd);
676
677 if (rc != 0)
678 return UBUS_STATUS_NOT_SUPPORTED;
679
680 return 0;
681 }
682 #endif /* CONFIG_WPS */
683
684 static int
685 hostapd_bss_update_beacon(struct ubus_context *ctx, struct ubus_object *obj,
686 struct ubus_request_data *req, const char *method,
687 struct blob_attr *msg)
688 {
689 int rc;
690 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
691
692 rc = ieee802_11_set_beacon(hapd);
693
694 if (rc != 0)
695 return UBUS_STATUS_NOT_SUPPORTED;
696
697 return 0;
698 }
699
700 enum {
701 CONFIG_IFACE,
702 CONFIG_FILE,
703 __CONFIG_MAX
704 };
705
706 static const struct blobmsg_policy config_add_policy[__CONFIG_MAX] = {
707 [CONFIG_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
708 [CONFIG_FILE] = { "config", BLOBMSG_TYPE_STRING },
709 };
710
711 static int
712 hostapd_config_add(struct ubus_context *ctx, struct ubus_object *obj,
713 struct ubus_request_data *req, const char *method,
714 struct blob_attr *msg)
715 {
716 struct blob_attr *tb[__CONFIG_MAX];
717 struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
718 char buf[128];
719
720 blobmsg_parse(config_add_policy, __CONFIG_MAX, tb, blob_data(msg), blob_len(msg));
721
722 if (!tb[CONFIG_FILE] || !tb[CONFIG_IFACE])
723 return UBUS_STATUS_INVALID_ARGUMENT;
724
725 snprintf(buf, sizeof(buf), "bss_config=%s:%s",
726 blobmsg_get_string(tb[CONFIG_IFACE]),
727 blobmsg_get_string(tb[CONFIG_FILE]));
728
729 if (hostapd_add_iface(interfaces, buf))
730 return UBUS_STATUS_INVALID_ARGUMENT;
731
732 blob_buf_init(&b, 0);
733 blobmsg_add_u32(&b, "pid", getpid());
734 ubus_send_reply(ctx, req, b.head);
735
736 return UBUS_STATUS_OK;
737 }
738
739 enum {
740 CONFIG_REM_IFACE,
741 __CONFIG_REM_MAX
742 };
743
744 static const struct blobmsg_policy config_remove_policy[__CONFIG_REM_MAX] = {
745 [CONFIG_REM_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
746 };
747
748 static int
749 hostapd_config_remove(struct ubus_context *ctx, struct ubus_object *obj,
750 struct ubus_request_data *req, const char *method,
751 struct blob_attr *msg)
752 {
753 struct blob_attr *tb[__CONFIG_REM_MAX];
754 struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
755 char buf[128];
756
757 blobmsg_parse(config_remove_policy, __CONFIG_REM_MAX, tb, blob_data(msg), blob_len(msg));
758
759 if (!tb[CONFIG_REM_IFACE])
760 return UBUS_STATUS_INVALID_ARGUMENT;
761
762 if (hostapd_remove_iface(interfaces, blobmsg_get_string(tb[CONFIG_REM_IFACE])))
763 return UBUS_STATUS_INVALID_ARGUMENT;
764
765 return UBUS_STATUS_OK;
766 }
767
768 enum {
769 CSA_FREQ,
770 CSA_BCN_COUNT,
771 CSA_CENTER_FREQ1,
772 CSA_CENTER_FREQ2,
773 CSA_BANDWIDTH,
774 CSA_SEC_CHANNEL_OFFSET,
775 CSA_HT,
776 CSA_VHT,
777 CSA_HE,
778 CSA_BLOCK_TX,
779 CSA_FORCE,
780 __CSA_MAX
781 };
782
783 static const struct blobmsg_policy csa_policy[__CSA_MAX] = {
784 [CSA_FREQ] = { "freq", BLOBMSG_TYPE_INT32 },
785 [CSA_BCN_COUNT] = { "bcn_count", BLOBMSG_TYPE_INT32 },
786 [CSA_CENTER_FREQ1] = { "center_freq1", BLOBMSG_TYPE_INT32 },
787 [CSA_CENTER_FREQ2] = { "center_freq2", BLOBMSG_TYPE_INT32 },
788 [CSA_BANDWIDTH] = { "bandwidth", BLOBMSG_TYPE_INT32 },
789 [CSA_SEC_CHANNEL_OFFSET] = { "sec_channel_offset", BLOBMSG_TYPE_INT32 },
790 [CSA_HT] = { "ht", BLOBMSG_TYPE_BOOL },
791 [CSA_VHT] = { "vht", BLOBMSG_TYPE_BOOL },
792 [CSA_HE] = { "he", BLOBMSG_TYPE_BOOL },
793 [CSA_BLOCK_TX] = { "block_tx", BLOBMSG_TYPE_BOOL },
794 [CSA_FORCE] = { "force", BLOBMSG_TYPE_BOOL },
795 };
796
797
798 static void switch_chan_fallback_cb(void *eloop_data, void *user_ctx)
799 {
800 struct hostapd_iface *iface = eloop_data;
801 struct hostapd_freq_params *freq_params = user_ctx;
802
803 hostapd_switch_channel_fallback(iface, freq_params);
804 }
805
806 #ifdef NEED_AP_MLME
807 static int
808 hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
809 struct ubus_request_data *req, const char *method,
810 struct blob_attr *msg)
811 {
812 struct blob_attr *tb[__CSA_MAX];
813 struct hostapd_data *hapd = get_hapd_from_object(obj);
814 struct hostapd_config *iconf = hapd->iface->conf;
815 struct hostapd_freq_params *freq_params;
816 struct hostapd_hw_modes *mode = hapd->iface->current_mode;
817 struct csa_settings css = {
818 .freq_params = {
819 .ht_enabled = iconf->ieee80211n,
820 .vht_enabled = iconf->ieee80211ac,
821 .he_enabled = iconf->ieee80211ax,
822 .sec_channel_offset = iconf->secondary_channel,
823 }
824 };
825 u8 chwidth = hostapd_get_oper_chwidth(iconf);
826 u8 seg0 = 0, seg1 = 0;
827 int ret = UBUS_STATUS_OK;
828 int i;
829
830 blobmsg_parse(csa_policy, __CSA_MAX, tb, blob_data(msg), blob_len(msg));
831
832 if (!tb[CSA_FREQ])
833 return UBUS_STATUS_INVALID_ARGUMENT;
834
835 switch (iconf->vht_oper_chwidth) {
836 case CHANWIDTH_USE_HT:
837 if (iconf->secondary_channel)
838 css.freq_params.bandwidth = 40;
839 else
840 css.freq_params.bandwidth = 20;
841 break;
842 case CHANWIDTH_160MHZ:
843 css.freq_params.bandwidth = 160;
844 break;
845 default:
846 css.freq_params.bandwidth = 80;
847 break;
848 }
849
850 css.freq_params.freq = blobmsg_get_u32(tb[CSA_FREQ]);
851
852 #define SET_CSA_SETTING(name, field, type) \
853 do { \
854 if (tb[name]) \
855 css.field = blobmsg_get_ ## type(tb[name]); \
856 } while(0)
857
858 SET_CSA_SETTING(CSA_BCN_COUNT, cs_count, u32);
859 SET_CSA_SETTING(CSA_CENTER_FREQ1, freq_params.center_freq1, u32);
860 SET_CSA_SETTING(CSA_CENTER_FREQ2, freq_params.center_freq2, u32);
861 SET_CSA_SETTING(CSA_BANDWIDTH, freq_params.bandwidth, u32);
862 SET_CSA_SETTING(CSA_SEC_CHANNEL_OFFSET, freq_params.sec_channel_offset, u32);
863 SET_CSA_SETTING(CSA_HT, freq_params.ht_enabled, bool);
864 SET_CSA_SETTING(CSA_VHT, freq_params.vht_enabled, bool);
865 SET_CSA_SETTING(CSA_HE, freq_params.he_enabled, bool);
866 SET_CSA_SETTING(CSA_BLOCK_TX, block_tx, bool);
867
868 css.freq_params.channel = hostapd_hw_get_channel(hapd, css.freq_params.freq);
869 if (!css.freq_params.channel)
870 return UBUS_STATUS_NOT_SUPPORTED;
871
872 switch (css.freq_params.bandwidth) {
873 case 160:
874 chwidth = CHANWIDTH_160MHZ;
875 break;
876 case 80:
877 chwidth = css.freq_params.center_freq2 ? CHANWIDTH_80P80MHZ : CHANWIDTH_80MHZ;
878 break;
879 default:
880 chwidth = CHANWIDTH_USE_HT;
881 break;
882 }
883
884 hostapd_set_freq_params(&css.freq_params, iconf->hw_mode,
885 css.freq_params.freq,
886 css.freq_params.channel, iconf->enable_edmg,
887 iconf->edmg_channel,
888 css.freq_params.ht_enabled,
889 css.freq_params.vht_enabled,
890 css.freq_params.he_enabled,
891 css.freq_params.eht_enabled,
892 css.freq_params.sec_channel_offset,
893 chwidth, seg0, seg1,
894 iconf->vht_capab,
895 mode ? &mode->he_capab[IEEE80211_MODE_AP] :
896 NULL,
897 mode ? &mode->eht_capab[IEEE80211_MODE_AP] :
898 NULL);
899
900 for (i = 0; i < hapd->iface->num_bss; i++) {
901 struct hostapd_data *bss = hapd->iface->bss[i];
902
903 if (hostapd_switch_channel(bss, &css) != 0)
904 ret = UBUS_STATUS_NOT_SUPPORTED;
905 }
906
907 if (!ret || !tb[CSA_FORCE] || !blobmsg_get_bool(tb[CSA_FORCE]))
908 return ret;
909
910 freq_params = malloc(sizeof(*freq_params));
911 memcpy(freq_params, &css.freq_params, sizeof(*freq_params));
912 eloop_register_timeout(0, 1, switch_chan_fallback_cb,
913 hapd->iface, freq_params);
914
915 return 0;
916 #undef SET_CSA_SETTING
917 }
918 #endif
919
920 enum {
921 VENDOR_ELEMENTS,
922 __VENDOR_ELEMENTS_MAX
923 };
924
925 static const struct blobmsg_policy ve_policy[__VENDOR_ELEMENTS_MAX] = {
926 /* vendor elements are provided as hex-string */
927 [VENDOR_ELEMENTS] = { "vendor_elements", BLOBMSG_TYPE_STRING },
928 };
929
930 static int
931 hostapd_vendor_elements(struct ubus_context *ctx, struct ubus_object *obj,
932 struct ubus_request_data *req, const char *method,
933 struct blob_attr *msg)
934 {
935 struct blob_attr *tb[__VENDOR_ELEMENTS_MAX];
936 struct hostapd_data *hapd = get_hapd_from_object(obj);
937 struct hostapd_bss_config *bss = hapd->conf;
938 struct wpabuf *elems;
939 const char *pos;
940 size_t len;
941
942 blobmsg_parse(ve_policy, __VENDOR_ELEMENTS_MAX, tb,
943 blob_data(msg), blob_len(msg));
944
945 if (!tb[VENDOR_ELEMENTS])
946 return UBUS_STATUS_INVALID_ARGUMENT;
947
948 pos = blobmsg_data(tb[VENDOR_ELEMENTS]);
949 len = os_strlen(pos);
950 if (len & 0x01)
951 return UBUS_STATUS_INVALID_ARGUMENT;
952
953 len /= 2;
954 if (len == 0) {
955 wpabuf_free(bss->vendor_elements);
956 bss->vendor_elements = NULL;
957 return 0;
958 }
959
960 elems = wpabuf_alloc(len);
961 if (elems == NULL)
962 return 1;
963
964 if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
965 wpabuf_free(elems);
966 return UBUS_STATUS_INVALID_ARGUMENT;
967 }
968
969 wpabuf_free(bss->vendor_elements);
970 bss->vendor_elements = elems;
971
972 /* update beacons if vendor elements were set successfully */
973 if (ieee802_11_update_beacons(hapd->iface) != 0)
974 return UBUS_STATUS_NOT_SUPPORTED;
975 return UBUS_STATUS_OK;
976 }
977
978 static void
979 hostapd_rrm_print_nr(struct hostapd_neighbor_entry *nr)
980 {
981 const u8 *data;
982 char *str;
983 int len;
984
985 blobmsg_printf(&b, "", MACSTR, MAC2STR(nr->bssid));
986
987 str = blobmsg_alloc_string_buffer(&b, "", nr->ssid.ssid_len + 1);
988 memcpy(str, nr->ssid.ssid, nr->ssid.ssid_len);
989 str[nr->ssid.ssid_len] = 0;
990 blobmsg_add_string_buffer(&b);
991
992 len = wpabuf_len(nr->nr);
993 str = blobmsg_alloc_string_buffer(&b, "", 2 * len + 1);
994 wpa_snprintf_hex(str, 2 * len + 1, wpabuf_head_u8(nr->nr), len);
995 blobmsg_add_string_buffer(&b);
996 }
997
998 enum {
999 BSS_MGMT_EN_NEIGHBOR,
1000 BSS_MGMT_EN_BEACON,
1001 BSS_MGMT_EN_LINK_MEASUREMENT,
1002 #ifdef CONFIG_WNM_AP
1003 BSS_MGMT_EN_BSS_TRANSITION,
1004 #endif
1005 __BSS_MGMT_EN_MAX
1006 };
1007
1008 static bool
1009 __hostapd_bss_mgmt_enable_f(struct hostapd_data *hapd, int flag)
1010 {
1011 struct hostapd_bss_config *bss = hapd->conf;
1012 uint32_t flags;
1013
1014 switch (flag) {
1015 case BSS_MGMT_EN_NEIGHBOR:
1016 if (bss->radio_measurements[0] &
1017 WLAN_RRM_CAPS_NEIGHBOR_REPORT)
1018 return false;
1019
1020 bss->radio_measurements[0] |=
1021 WLAN_RRM_CAPS_NEIGHBOR_REPORT;
1022 hostapd_neighbor_set_own_report(hapd);
1023 return true;
1024 case BSS_MGMT_EN_BEACON:
1025 flags = WLAN_RRM_CAPS_BEACON_REPORT_PASSIVE |
1026 WLAN_RRM_CAPS_BEACON_REPORT_ACTIVE |
1027 WLAN_RRM_CAPS_BEACON_REPORT_TABLE;
1028
1029 if (bss->radio_measurements[0] & flags == flags)
1030 return false;
1031
1032 bss->radio_measurements[0] |= (u8) flags;
1033 return true;
1034 case BSS_MGMT_EN_LINK_MEASUREMENT:
1035 flags = WLAN_RRM_CAPS_LINK_MEASUREMENT;
1036
1037 if (bss->radio_measurements[0] & flags == flags)
1038 return false;
1039
1040 bss->radio_measurements[0] |= (u8) flags;
1041 return true;
1042 #ifdef CONFIG_WNM_AP
1043 case BSS_MGMT_EN_BSS_TRANSITION:
1044 if (bss->bss_transition)
1045 return false;
1046
1047 bss->bss_transition = 1;
1048 return true;
1049 #endif
1050 }
1051 }
1052
1053 static void
1054 __hostapd_bss_mgmt_enable(struct hostapd_data *hapd, uint32_t flags)
1055 {
1056 bool update = false;
1057 int i;
1058
1059 for (i = 0; i < __BSS_MGMT_EN_MAX; i++) {
1060 if (!(flags & (1 << i)))
1061 continue;
1062
1063 update |= __hostapd_bss_mgmt_enable_f(hapd, i);
1064 }
1065
1066 if (update)
1067 ieee802_11_update_beacons(hapd->iface);
1068 }
1069
1070
1071 static const struct blobmsg_policy bss_mgmt_enable_policy[__BSS_MGMT_EN_MAX] = {
1072 [BSS_MGMT_EN_NEIGHBOR] = { "neighbor_report", BLOBMSG_TYPE_BOOL },
1073 [BSS_MGMT_EN_BEACON] = { "beacon_report", BLOBMSG_TYPE_BOOL },
1074 [BSS_MGMT_EN_LINK_MEASUREMENT] = { "link_measurement", BLOBMSG_TYPE_BOOL },
1075 #ifdef CONFIG_WNM_AP
1076 [BSS_MGMT_EN_BSS_TRANSITION] = { "bss_transition", BLOBMSG_TYPE_BOOL },
1077 #endif
1078 };
1079
1080 static int
1081 hostapd_bss_mgmt_enable(struct ubus_context *ctx, struct ubus_object *obj,
1082 struct ubus_request_data *req, const char *method,
1083 struct blob_attr *msg)
1084
1085 {
1086 struct hostapd_data *hapd = get_hapd_from_object(obj);
1087 struct blob_attr *tb[__BSS_MGMT_EN_MAX];
1088 struct blob_attr *cur;
1089 uint32_t flags = 0;
1090 int i;
1091 bool neigh = false, beacon = false;
1092
1093 blobmsg_parse(bss_mgmt_enable_policy, __BSS_MGMT_EN_MAX, tb, blob_data(msg), blob_len(msg));
1094
1095 for (i = 0; i < ARRAY_SIZE(tb); i++) {
1096 if (!tb[i] || !blobmsg_get_bool(tb[i]))
1097 continue;
1098
1099 flags |= (1 << i);
1100 }
1101
1102 __hostapd_bss_mgmt_enable(hapd, flags);
1103 }
1104
1105
1106 static void
1107 hostapd_rrm_nr_enable(struct hostapd_data *hapd)
1108 {
1109 __hostapd_bss_mgmt_enable(hapd, 1 << BSS_MGMT_EN_NEIGHBOR);
1110 }
1111
1112 static int
1113 hostapd_rrm_nr_get_own(struct ubus_context *ctx, struct ubus_object *obj,
1114 struct ubus_request_data *req, const char *method,
1115 struct blob_attr *msg)
1116 {
1117 struct hostapd_data *hapd = get_hapd_from_object(obj);
1118 struct hostapd_neighbor_entry *nr;
1119 void *c;
1120
1121 hostapd_rrm_nr_enable(hapd);
1122
1123 nr = hostapd_neighbor_get(hapd, hapd->own_addr, NULL);
1124 if (!nr)
1125 return UBUS_STATUS_NOT_FOUND;
1126
1127 blob_buf_init(&b, 0);
1128
1129 c = blobmsg_open_array(&b, "value");
1130 hostapd_rrm_print_nr(nr);
1131 blobmsg_close_array(&b, c);
1132
1133 ubus_send_reply(ctx, req, b.head);
1134
1135 return 0;
1136 }
1137
1138 static int
1139 hostapd_rrm_nr_list(struct ubus_context *ctx, struct ubus_object *obj,
1140 struct ubus_request_data *req, const char *method,
1141 struct blob_attr *msg)
1142 {
1143 struct hostapd_data *hapd = get_hapd_from_object(obj);
1144 struct hostapd_neighbor_entry *nr;
1145 void *c;
1146
1147 hostapd_rrm_nr_enable(hapd);
1148 blob_buf_init(&b, 0);
1149
1150 c = blobmsg_open_array(&b, "list");
1151 dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
1152 void *cur;
1153
1154 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
1155 continue;
1156
1157 cur = blobmsg_open_array(&b, NULL);
1158 hostapd_rrm_print_nr(nr);
1159 blobmsg_close_array(&b, cur);
1160 }
1161 blobmsg_close_array(&b, c);
1162
1163 ubus_send_reply(ctx, req, b.head);
1164
1165 return 0;
1166 }
1167
1168 enum {
1169 NR_SET_LIST,
1170 __NR_SET_LIST_MAX
1171 };
1172
1173 static const struct blobmsg_policy nr_set_policy[__NR_SET_LIST_MAX] = {
1174 [NR_SET_LIST] = { "list", BLOBMSG_TYPE_ARRAY },
1175 };
1176
1177
1178 static void
1179 hostapd_rrm_nr_clear(struct hostapd_data *hapd)
1180 {
1181 struct hostapd_neighbor_entry *nr;
1182
1183 restart:
1184 dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
1185 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
1186 continue;
1187
1188 hostapd_neighbor_remove(hapd, nr->bssid, &nr->ssid);
1189 goto restart;
1190 }
1191 }
1192
1193 static int
1194 hostapd_rrm_nr_set(struct ubus_context *ctx, struct ubus_object *obj,
1195 struct ubus_request_data *req, const char *method,
1196 struct blob_attr *msg)
1197 {
1198 static const struct blobmsg_policy nr_e_policy[] = {
1199 { .type = BLOBMSG_TYPE_STRING },
1200 { .type = BLOBMSG_TYPE_STRING },
1201 { .type = BLOBMSG_TYPE_STRING },
1202 };
1203 struct hostapd_data *hapd = get_hapd_from_object(obj);
1204 struct blob_attr *tb_l[__NR_SET_LIST_MAX];
1205 struct blob_attr *tb[ARRAY_SIZE(nr_e_policy)];
1206 struct blob_attr *cur;
1207 int rem;
1208
1209 hostapd_rrm_nr_enable(hapd);
1210
1211 blobmsg_parse(nr_set_policy, __NR_SET_LIST_MAX, tb_l, blob_data(msg), blob_len(msg));
1212 if (!tb_l[NR_SET_LIST])
1213 return UBUS_STATUS_INVALID_ARGUMENT;
1214
1215 hostapd_rrm_nr_clear(hapd);
1216 blobmsg_for_each_attr(cur, tb_l[NR_SET_LIST], rem) {
1217 struct wpa_ssid_value ssid;
1218 struct wpabuf *data;
1219 u8 bssid[ETH_ALEN];
1220 char *s, *nr_s;
1221
1222 blobmsg_parse_array(nr_e_policy, ARRAY_SIZE(nr_e_policy), tb, blobmsg_data(cur), blobmsg_data_len(cur));
1223 if (!tb[0] || !tb[1] || !tb[2])
1224 goto invalid;
1225
1226 /* Neighbor Report binary */
1227 nr_s = blobmsg_get_string(tb[2]);
1228 data = wpabuf_parse_bin(nr_s);
1229 if (!data)
1230 goto invalid;
1231
1232 /* BSSID */
1233 s = blobmsg_get_string(tb[0]);
1234 if (strlen(s) == 0) {
1235 /* Copy BSSID from neighbor report */
1236 if (hwaddr_compact_aton(nr_s, bssid))
1237 goto invalid;
1238 } else if (hwaddr_aton(s, bssid)) {
1239 goto invalid;
1240 }
1241
1242 /* SSID */
1243 s = blobmsg_get_string(tb[1]);
1244 if (strlen(s) == 0) {
1245 /* Copy SSID from hostapd BSS conf */
1246 memcpy(&ssid, &hapd->conf->ssid, sizeof(ssid));
1247 } else {
1248 ssid.ssid_len = strlen(s);
1249 if (ssid.ssid_len > sizeof(ssid.ssid))
1250 goto invalid;
1251
1252 memcpy(&ssid, s, ssid.ssid_len);
1253 }
1254
1255 hostapd_neighbor_set(hapd, bssid, &ssid, data, NULL, NULL, 0, 0);
1256 wpabuf_free(data);
1257 continue;
1258
1259 invalid:
1260 return UBUS_STATUS_INVALID_ARGUMENT;
1261 }
1262
1263 return 0;
1264 }
1265
1266 enum {
1267 BEACON_REQ_ADDR,
1268 BEACON_REQ_MODE,
1269 BEACON_REQ_OP_CLASS,
1270 BEACON_REQ_CHANNEL,
1271 BEACON_REQ_DURATION,
1272 BEACON_REQ_BSSID,
1273 BEACON_REQ_SSID,
1274 __BEACON_REQ_MAX,
1275 };
1276
1277 static const struct blobmsg_policy beacon_req_policy[__BEACON_REQ_MAX] = {
1278 [BEACON_REQ_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1279 [BEACON_REQ_OP_CLASS] { "op_class", BLOBMSG_TYPE_INT32 },
1280 [BEACON_REQ_CHANNEL] { "channel", BLOBMSG_TYPE_INT32 },
1281 [BEACON_REQ_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
1282 [BEACON_REQ_MODE] { "mode", BLOBMSG_TYPE_INT32 },
1283 [BEACON_REQ_BSSID] { "bssid", BLOBMSG_TYPE_STRING },
1284 [BEACON_REQ_SSID] { "ssid", BLOBMSG_TYPE_STRING },
1285 };
1286
1287 static int
1288 hostapd_rrm_beacon_req(struct ubus_context *ctx, struct ubus_object *obj,
1289 struct ubus_request_data *ureq, const char *method,
1290 struct blob_attr *msg)
1291 {
1292 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1293 struct blob_attr *tb[__BEACON_REQ_MAX];
1294 struct blob_attr *cur;
1295 struct wpabuf *req;
1296 u8 bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1297 u8 addr[ETH_ALEN];
1298 int mode, rem, ret;
1299 int buf_len = 13;
1300
1301 blobmsg_parse(beacon_req_policy, __BEACON_REQ_MAX, tb, blob_data(msg), blob_len(msg));
1302
1303 if (!tb[BEACON_REQ_ADDR] || !tb[BEACON_REQ_MODE] || !tb[BEACON_REQ_DURATION] ||
1304 !tb[BEACON_REQ_OP_CLASS] || !tb[BEACON_REQ_CHANNEL])
1305 return UBUS_STATUS_INVALID_ARGUMENT;
1306
1307 if (tb[BEACON_REQ_SSID])
1308 buf_len += blobmsg_data_len(tb[BEACON_REQ_SSID]) + 2 - 1;
1309
1310 mode = blobmsg_get_u32(tb[BEACON_REQ_MODE]);
1311 if (hwaddr_aton(blobmsg_data(tb[BEACON_REQ_ADDR]), addr))
1312 return UBUS_STATUS_INVALID_ARGUMENT;
1313
1314 if (tb[BEACON_REQ_BSSID] &&
1315 hwaddr_aton(blobmsg_data(tb[BEACON_REQ_BSSID]), bssid))
1316 return UBUS_STATUS_INVALID_ARGUMENT;
1317
1318 req = wpabuf_alloc(buf_len);
1319 if (!req)
1320 return UBUS_STATUS_UNKNOWN_ERROR;
1321
1322 /* 1: regulatory class */
1323 wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_OP_CLASS]));
1324
1325 /* 2: channel number */
1326 wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_CHANNEL]));
1327
1328 /* 3-4: randomization interval */
1329 wpabuf_put_le16(req, 0);
1330
1331 /* 5-6: duration */
1332 wpabuf_put_le16(req, blobmsg_get_u32(tb[BEACON_REQ_DURATION]));
1333
1334 /* 7: mode */
1335 wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_MODE]));
1336
1337 /* 8-13: BSSID */
1338 wpabuf_put_data(req, bssid, ETH_ALEN);
1339
1340 if ((cur = tb[BEACON_REQ_SSID]) != NULL) {
1341 wpabuf_put_u8(req, WLAN_EID_SSID);
1342 wpabuf_put_u8(req, blobmsg_data_len(cur) - 1);
1343 wpabuf_put_data(req, blobmsg_data(cur), blobmsg_data_len(cur) - 1);
1344 }
1345
1346 ret = hostapd_send_beacon_req(hapd, addr, 0, req);
1347 if (ret < 0)
1348 return -ret;
1349
1350 return 0;
1351 }
1352
1353 enum {
1354 LM_REQ_ADDR,
1355 LM_REQ_TX_POWER_USED,
1356 LM_REQ_TX_POWER_MAX,
1357 __LM_REQ_MAX,
1358 };
1359
1360 static const struct blobmsg_policy lm_req_policy[__LM_REQ_MAX] = {
1361 [LM_REQ_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1362 [LM_REQ_TX_POWER_USED] = { "tx-power-used", BLOBMSG_TYPE_INT32 },
1363 [LM_REQ_TX_POWER_MAX] = { "tx-power-max", BLOBMSG_TYPE_INT32 },
1364 };
1365
1366 static int
1367 hostapd_rrm_lm_req(struct ubus_context *ctx, struct ubus_object *obj,
1368 struct ubus_request_data *ureq, const char *method,
1369 struct blob_attr *msg)
1370 {
1371 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1372 struct blob_attr *tb[__LM_REQ_MAX];
1373 struct wpabuf *buf;
1374 u8 addr[ETH_ALEN];
1375 int ret;
1376 int8_t txp_used, txp_max;
1377
1378 txp_used = 0;
1379 txp_max = 0;
1380
1381 blobmsg_parse(lm_req_policy, __LM_REQ_MAX, tb, blob_data(msg), blob_len(msg));
1382
1383 if (!tb[LM_REQ_ADDR])
1384 return UBUS_STATUS_INVALID_ARGUMENT;
1385
1386 if (tb[LM_REQ_TX_POWER_USED])
1387 txp_used = (int8_t) blobmsg_get_u32(tb[LM_REQ_TX_POWER_USED]);
1388
1389 if (tb[LM_REQ_TX_POWER_MAX])
1390 txp_max = (int8_t) blobmsg_get_u32(tb[LM_REQ_TX_POWER_MAX]);
1391
1392 if (hwaddr_aton(blobmsg_data(tb[LM_REQ_ADDR]), addr))
1393 return UBUS_STATUS_INVALID_ARGUMENT;
1394
1395 buf = wpabuf_alloc(5);
1396 if (!buf)
1397 return UBUS_STATUS_UNKNOWN_ERROR;
1398
1399 wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT);
1400 wpabuf_put_u8(buf, WLAN_RRM_LINK_MEASUREMENT_REQUEST);
1401 wpabuf_put_u8(buf, 1);
1402 /* TX-Power used */
1403 wpabuf_put_u8(buf, txp_used);
1404 /* Max TX Power */
1405 wpabuf_put_u8(buf, txp_max);
1406
1407 ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
1408 wpabuf_head(buf), wpabuf_len(buf));
1409
1410 wpabuf_free(buf);
1411 if (ret < 0)
1412 return -ret;
1413
1414 return 0;
1415 }
1416
1417
1418 void hostapd_ubus_handle_link_measurement(struct hostapd_data *hapd, const u8 *data, size_t len)
1419 {
1420 const struct ieee80211_mgmt *mgmt = (const struct ieee80211_mgmt *) data;
1421 const u8 *pos, *end;
1422 u8 token;
1423
1424 end = data + len;
1425 token = mgmt->u.action.u.rrm.dialog_token;
1426 pos = mgmt->u.action.u.rrm.variable;
1427
1428 if (end - pos < 8)
1429 return;
1430
1431 if (!hapd->ubus.obj.has_subscribers)
1432 return;
1433
1434 blob_buf_init(&b, 0);
1435 blobmsg_add_macaddr(&b, "address", mgmt->sa);
1436 blobmsg_add_u16(&b, "dialog-token", token);
1437 blobmsg_add_u16(&b, "rx-antenna-id", pos[4]);
1438 blobmsg_add_u16(&b, "tx-antenna-id", pos[5]);
1439 blobmsg_add_u16(&b, "rcpi", pos[6]);
1440 blobmsg_add_u16(&b, "rsni", pos[7]);
1441
1442 ubus_notify(ctx, &hapd->ubus.obj, "link-measurement-report", b.head, -1);
1443 }
1444
1445
1446 #ifdef CONFIG_WNM_AP
1447
1448 static int
1449 hostapd_bss_tr_send(struct hostapd_data *hapd, u8 *addr, bool disassoc_imminent, bool abridged,
1450 u16 disassoc_timer, u8 validity_period, u8 dialog_token,
1451 struct blob_attr *neighbors)
1452 {
1453 struct blob_attr *cur;
1454 struct sta_info *sta;
1455 int nr_len = 0;
1456 int rem;
1457 u8 *nr = NULL;
1458 u8 req_mode = 0;
1459
1460 sta = ap_get_sta(hapd, addr);
1461 if (!sta)
1462 return UBUS_STATUS_NOT_FOUND;
1463
1464 if (neighbors) {
1465 u8 *nr_cur;
1466
1467 if (blobmsg_check_array(neighbors,
1468 BLOBMSG_TYPE_STRING) < 0)
1469 return UBUS_STATUS_INVALID_ARGUMENT;
1470
1471 blobmsg_for_each_attr(cur, neighbors, rem) {
1472 int len = strlen(blobmsg_get_string(cur));
1473
1474 if (len % 2)
1475 return UBUS_STATUS_INVALID_ARGUMENT;
1476
1477 nr_len += (len / 2) + 2;
1478 }
1479
1480 if (nr_len) {
1481 nr = os_zalloc(nr_len);
1482 if (!nr)
1483 return UBUS_STATUS_UNKNOWN_ERROR;
1484 }
1485
1486 nr_cur = nr;
1487 blobmsg_for_each_attr(cur, neighbors, rem) {
1488 int len = strlen(blobmsg_get_string(cur)) / 2;
1489
1490 *nr_cur++ = WLAN_EID_NEIGHBOR_REPORT;
1491 *nr_cur++ = (u8) len;
1492 if (hexstr2bin(blobmsg_data(cur), nr_cur, len)) {
1493 free(nr);
1494 return UBUS_STATUS_INVALID_ARGUMENT;
1495 }
1496
1497 nr_cur += len;
1498 }
1499 }
1500
1501 if (nr)
1502 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1503
1504 if (abridged)
1505 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1506
1507 if (disassoc_imminent)
1508 req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1509
1510 if (wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer, validity_period, NULL,
1511 dialog_token, NULL, nr, nr_len, NULL, 0))
1512 return UBUS_STATUS_UNKNOWN_ERROR;
1513
1514 return 0;
1515 }
1516
1517 enum {
1518 BSS_TR_ADDR,
1519 BSS_TR_DA_IMMINENT,
1520 BSS_TR_DA_TIMER,
1521 BSS_TR_VALID_PERIOD,
1522 BSS_TR_NEIGHBORS,
1523 BSS_TR_ABRIDGED,
1524 BSS_TR_DIALOG_TOKEN,
1525 __BSS_TR_DISASSOC_MAX
1526 };
1527
1528 static const struct blobmsg_policy bss_tr_policy[__BSS_TR_DISASSOC_MAX] = {
1529 [BSS_TR_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1530 [BSS_TR_DA_IMMINENT] = { "disassociation_imminent", BLOBMSG_TYPE_BOOL },
1531 [BSS_TR_DA_TIMER] = { "disassociation_timer", BLOBMSG_TYPE_INT32 },
1532 [BSS_TR_VALID_PERIOD] = { "validity_period", BLOBMSG_TYPE_INT32 },
1533 [BSS_TR_NEIGHBORS] = { "neighbors", BLOBMSG_TYPE_ARRAY },
1534 [BSS_TR_ABRIDGED] = { "abridged", BLOBMSG_TYPE_BOOL },
1535 [BSS_TR_DIALOG_TOKEN] = { "dialog_token", BLOBMSG_TYPE_INT32 },
1536 };
1537
1538 static int
1539 hostapd_bss_transition_request(struct ubus_context *ctx, struct ubus_object *obj,
1540 struct ubus_request_data *ureq, const char *method,
1541 struct blob_attr *msg)
1542 {
1543 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1544 struct blob_attr *tb[__BSS_TR_DISASSOC_MAX];
1545 struct sta_info *sta;
1546 u32 da_timer = 0;
1547 u32 valid_period = 0;
1548 u8 addr[ETH_ALEN];
1549 u32 dialog_token = 1;
1550 bool abridged;
1551 bool da_imminent;
1552
1553 blobmsg_parse(bss_tr_policy, __BSS_TR_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
1554
1555 if (!tb[BSS_TR_ADDR])
1556 return UBUS_STATUS_INVALID_ARGUMENT;
1557
1558 if (hwaddr_aton(blobmsg_data(tb[BSS_TR_ADDR]), addr))
1559 return UBUS_STATUS_INVALID_ARGUMENT;
1560
1561 if (tb[BSS_TR_DA_TIMER])
1562 da_timer = blobmsg_get_u32(tb[BSS_TR_DA_TIMER]);
1563
1564 if (tb[BSS_TR_VALID_PERIOD])
1565 valid_period = blobmsg_get_u32(tb[BSS_TR_VALID_PERIOD]);
1566
1567 if (tb[BSS_TR_DIALOG_TOKEN])
1568 dialog_token = blobmsg_get_u32(tb[BSS_TR_DIALOG_TOKEN]);
1569
1570 da_imminent = !!(tb[BSS_TR_DA_IMMINENT] && blobmsg_get_bool(tb[BSS_TR_DA_IMMINENT]));
1571 abridged = !!(tb[BSS_TR_ABRIDGED] && blobmsg_get_bool(tb[BSS_TR_ABRIDGED]));
1572
1573 return hostapd_bss_tr_send(hapd, addr, da_imminent, abridged, da_timer, valid_period,
1574 dialog_token, tb[BSS_TR_NEIGHBORS]);
1575 }
1576 #endif
1577
1578 #ifdef CONFIG_AIRTIME_POLICY
1579 enum {
1580 UPDATE_AIRTIME_STA,
1581 UPDATE_AIRTIME_WEIGHT,
1582 __UPDATE_AIRTIME_MAX,
1583 };
1584
1585
1586 static const struct blobmsg_policy airtime_policy[__UPDATE_AIRTIME_MAX] = {
1587 [UPDATE_AIRTIME_STA] = { "sta", BLOBMSG_TYPE_STRING },
1588 [UPDATE_AIRTIME_WEIGHT] = { "weight", BLOBMSG_TYPE_INT32 },
1589 };
1590
1591 static int
1592 hostapd_bss_update_airtime(struct ubus_context *ctx, struct ubus_object *obj,
1593 struct ubus_request_data *ureq, const char *method,
1594 struct blob_attr *msg)
1595 {
1596 struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1597 struct blob_attr *tb[__UPDATE_AIRTIME_MAX];
1598 struct sta_info *sta = NULL;
1599 u8 addr[ETH_ALEN];
1600 int weight;
1601
1602 blobmsg_parse(airtime_policy, __UPDATE_AIRTIME_MAX, tb, blob_data(msg), blob_len(msg));
1603
1604 if (!tb[UPDATE_AIRTIME_WEIGHT])
1605 return UBUS_STATUS_INVALID_ARGUMENT;
1606
1607 weight = blobmsg_get_u32(tb[UPDATE_AIRTIME_WEIGHT]);
1608
1609 if (!tb[UPDATE_AIRTIME_STA]) {
1610 if (!weight)
1611 return UBUS_STATUS_INVALID_ARGUMENT;
1612
1613 hapd->conf->airtime_weight = weight;
1614 return 0;
1615 }
1616
1617 if (hwaddr_aton(blobmsg_data(tb[UPDATE_AIRTIME_STA]), addr))
1618 return UBUS_STATUS_INVALID_ARGUMENT;
1619
1620 sta = ap_get_sta(hapd, addr);
1621 if (!sta)
1622 return UBUS_STATUS_NOT_FOUND;
1623
1624 sta->dyn_airtime_weight = weight;
1625 airtime_policy_new_sta(hapd, sta);
1626
1627 return 0;
1628 }
1629 #endif
1630
1631
1632 static const struct ubus_method bss_methods[] = {
1633 UBUS_METHOD_NOARG("reload", hostapd_bss_reload),
1634 UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
1635 UBUS_METHOD_NOARG("get_status", hostapd_bss_get_status),
1636 UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
1637 #ifdef CONFIG_AIRTIME_POLICY
1638 UBUS_METHOD("update_airtime", hostapd_bss_update_airtime, airtime_policy),
1639 #endif
1640 UBUS_METHOD_NOARG("list_bans", hostapd_bss_list_bans),
1641 #ifdef CONFIG_WPS
1642 UBUS_METHOD_NOARG("wps_start", hostapd_bss_wps_start),
1643 UBUS_METHOD_NOARG("wps_status", hostapd_bss_wps_status),
1644 UBUS_METHOD_NOARG("wps_cancel", hostapd_bss_wps_cancel),
1645 #endif
1646 UBUS_METHOD_NOARG("update_beacon", hostapd_bss_update_beacon),
1647 UBUS_METHOD_NOARG("get_features", hostapd_bss_get_features),
1648 #ifdef NEED_AP_MLME
1649 UBUS_METHOD("switch_chan", hostapd_switch_chan, csa_policy),
1650 #endif
1651 UBUS_METHOD("set_vendor_elements", hostapd_vendor_elements, ve_policy),
1652 UBUS_METHOD("notify_response", hostapd_notify_response, notify_policy),
1653 UBUS_METHOD("bss_mgmt_enable", hostapd_bss_mgmt_enable, bss_mgmt_enable_policy),
1654 UBUS_METHOD_NOARG("rrm_nr_get_own", hostapd_rrm_nr_get_own),
1655 UBUS_METHOD_NOARG("rrm_nr_list", hostapd_rrm_nr_list),
1656 UBUS_METHOD("rrm_nr_set", hostapd_rrm_nr_set, nr_set_policy),
1657 UBUS_METHOD("rrm_beacon_req", hostapd_rrm_beacon_req, beacon_req_policy),
1658 UBUS_METHOD("link_measurement_req", hostapd_rrm_lm_req, lm_req_policy),
1659 #ifdef CONFIG_WNM_AP
1660 UBUS_METHOD("bss_transition_request", hostapd_bss_transition_request, bss_tr_policy),
1661 #endif
1662 };
1663
1664 static struct ubus_object_type bss_object_type =
1665 UBUS_OBJECT_TYPE("hostapd_bss", bss_methods);
1666
1667 static int avl_compare_macaddr(const void *k1, const void *k2, void *ptr)
1668 {
1669 return memcmp(k1, k2, ETH_ALEN);
1670 }
1671
1672 void hostapd_ubus_add_bss(struct hostapd_data *hapd)
1673 {
1674 struct ubus_object *obj = &hapd->ubus.obj;
1675 char *name;
1676 int ret;
1677
1678 #ifdef CONFIG_MESH
1679 if (hapd->conf->mesh & MESH_ENABLED)
1680 return;
1681 #endif
1682
1683 if (!hostapd_ubus_init())
1684 return;
1685
1686 if (asprintf(&name, "hostapd.%s", hapd->conf->iface) < 0)
1687 return;
1688
1689 avl_init(&hapd->ubus.banned, avl_compare_macaddr, false, NULL);
1690 obj->name = name;
1691 obj->type = &bss_object_type;
1692 obj->methods = bss_object_type.methods;
1693 obj->n_methods = bss_object_type.n_methods;
1694 ret = ubus_add_object(ctx, obj);
1695 hostapd_ubus_ref_inc();
1696
1697 hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "add");
1698 }
1699
1700 void hostapd_ubus_free_bss(struct hostapd_data *hapd)
1701 {
1702 struct ubus_object *obj = &hapd->ubus.obj;
1703 char *name = (char *) obj->name;
1704
1705 #ifdef CONFIG_MESH
1706 if (hapd->conf->mesh & MESH_ENABLED)
1707 return;
1708 #endif
1709
1710 if (!ctx)
1711 return;
1712
1713 hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "remove");
1714
1715 if (obj->id) {
1716 ubus_remove_object(ctx, obj);
1717 hostapd_ubus_ref_dec();
1718 }
1719
1720 free(name);
1721 }
1722
1723 static void
1724 hostapd_ubus_vlan_action(struct hostapd_data *hapd, struct hostapd_vlan *vlan,
1725 const char *action)
1726 {
1727 struct vlan_description *desc = &vlan->vlan_desc;
1728 void *c;
1729 int i;
1730
1731 if (!hapd->ubus.obj.has_subscribers)
1732 return;
1733
1734 blob_buf_init(&b, 0);
1735 blobmsg_add_string(&b, "ifname", vlan->ifname);
1736 blobmsg_add_string(&b, "bridge", vlan->bridge);
1737 blobmsg_add_u32(&b, "vlan_id", vlan->vlan_id);
1738
1739 if (desc->notempty) {
1740 blobmsg_add_u32(&b, "untagged", desc->untagged);
1741 c = blobmsg_open_array(&b, "tagged");
1742 for (i = 0; i < ARRAY_SIZE(desc->tagged) && desc->tagged[i]; i++)
1743 blobmsg_add_u32(&b, "", desc->tagged[i]);
1744 blobmsg_close_array(&b, c);
1745 }
1746
1747 ubus_notify(ctx, &hapd->ubus.obj, action, b.head, -1);
1748 }
1749
1750 void hostapd_ubus_add_vlan(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
1751 {
1752 hostapd_ubus_vlan_action(hapd, vlan, "vlan_add");
1753 }
1754
1755 void hostapd_ubus_remove_vlan(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
1756 {
1757 hostapd_ubus_vlan_action(hapd, vlan, "vlan_remove");
1758 }
1759
1760 static const struct ubus_method daemon_methods[] = {
1761 UBUS_METHOD("config_add", hostapd_config_add, config_add_policy),
1762 UBUS_METHOD("config_remove", hostapd_config_remove, config_remove_policy),
1763 };
1764
1765 static struct ubus_object_type daemon_object_type =
1766 UBUS_OBJECT_TYPE("hostapd", daemon_methods);
1767
1768 void hostapd_ubus_add(struct hapd_interfaces *interfaces)
1769 {
1770 struct ubus_object *obj = &interfaces->ubus;
1771 int ret;
1772
1773 if (!hostapd_ubus_init())
1774 return;
1775
1776 obj->name = strdup("hostapd");
1777
1778 obj->type = &daemon_object_type;
1779 obj->methods = daemon_object_type.methods;
1780 obj->n_methods = daemon_object_type.n_methods;
1781 ret = ubus_add_object(ctx, obj);
1782 hostapd_ubus_ref_inc();
1783 }
1784
1785 void hostapd_ubus_free(struct hapd_interfaces *interfaces)
1786 {
1787 struct ubus_object *obj = &interfaces->ubus;
1788 char *name = (char *) obj->name;
1789
1790 if (!ctx)
1791 return;
1792
1793 if (obj->id) {
1794 ubus_remove_object(ctx, obj);
1795 hostapd_ubus_ref_dec();
1796 }
1797
1798 free(name);
1799 }
1800
1801 struct ubus_event_req {
1802 struct ubus_notify_request nreq;
1803 int resp;
1804 };
1805
1806 static void
1807 ubus_event_cb(struct ubus_notify_request *req, int idx, int ret)
1808 {
1809 struct ubus_event_req *ureq = container_of(req, struct ubus_event_req, nreq);
1810
1811 ureq->resp = ret;
1812 }
1813
1814 int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
1815 {
1816 struct ubus_banned_client *ban;
1817 const char *types[HOSTAPD_UBUS_TYPE_MAX] = {
1818 [HOSTAPD_UBUS_PROBE_REQ] = "probe",
1819 [HOSTAPD_UBUS_AUTH_REQ] = "auth",
1820 [HOSTAPD_UBUS_ASSOC_REQ] = "assoc",
1821 };
1822 const char *type = "mgmt";
1823 struct ubus_event_req ureq = {};
1824 const u8 *addr;
1825
1826 if (req->mgmt_frame)
1827 addr = req->mgmt_frame->sa;
1828 else
1829 addr = req->addr;
1830
1831 ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
1832 if (ban)
1833 return WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1834
1835 if (!hapd->ubus.obj.has_subscribers)
1836 return WLAN_STATUS_SUCCESS;
1837
1838 if (req->type < ARRAY_SIZE(types))
1839 type = types[req->type];
1840
1841 blob_buf_init(&b, 0);
1842 blobmsg_add_macaddr(&b, "address", addr);
1843 if (req->mgmt_frame)
1844 blobmsg_add_macaddr(&b, "target", req->mgmt_frame->da);
1845 if (req->ssi_signal)
1846 blobmsg_add_u32(&b, "signal", req->ssi_signal);
1847 blobmsg_add_u32(&b, "freq", hapd->iface->freq);
1848
1849 if (req->elems) {
1850 if(req->elems->ht_capabilities)
1851 {
1852 struct ieee80211_ht_capabilities *ht_capabilities;
1853 void *ht_cap, *ht_cap_mcs_set, *mcs_set;
1854
1855
1856 ht_capabilities = (struct ieee80211_ht_capabilities*) req->elems->ht_capabilities;
1857 ht_cap = blobmsg_open_table(&b, "ht_capabilities");
1858 blobmsg_add_u16(&b, "ht_capabilities_info", ht_capabilities->ht_capabilities_info);
1859 ht_cap_mcs_set = blobmsg_open_table(&b, "supported_mcs_set");
1860 blobmsg_add_u16(&b, "a_mpdu_params", ht_capabilities->a_mpdu_params);
1861 blobmsg_add_u16(&b, "ht_extended_capabilities", ht_capabilities->ht_extended_capabilities);
1862 blobmsg_add_u32(&b, "tx_bf_capability_info", ht_capabilities->tx_bf_capability_info);
1863 blobmsg_add_u16(&b, "asel_capabilities", ht_capabilities->asel_capabilities);
1864 mcs_set = blobmsg_open_array(&b, "supported_mcs_set");
1865 for (int i = 0; i < 16; i++) {
1866 blobmsg_add_u16(&b, NULL, (u16) ht_capabilities->supported_mcs_set[i]);
1867 }
1868 blobmsg_close_array(&b, mcs_set);
1869 blobmsg_close_table(&b, ht_cap_mcs_set);
1870 blobmsg_close_table(&b, ht_cap);
1871 }
1872 if(req->elems->vht_capabilities)
1873 {
1874 struct ieee80211_vht_capabilities *vht_capabilities;
1875 void *vht_cap, *vht_cap_mcs_set;
1876
1877 vht_capabilities = (struct ieee80211_vht_capabilities*) req->elems->vht_capabilities;
1878 vht_cap = blobmsg_open_table(&b, "vht_capabilities");
1879 blobmsg_add_u32(&b, "vht_capabilities_info", vht_capabilities->vht_capabilities_info);
1880 vht_cap_mcs_set = blobmsg_open_table(&b, "vht_supported_mcs_set");
1881 blobmsg_add_u16(&b, "rx_map", vht_capabilities->vht_supported_mcs_set.rx_map);
1882 blobmsg_add_u16(&b, "rx_highest", vht_capabilities->vht_supported_mcs_set.rx_highest);
1883 blobmsg_add_u16(&b, "tx_map", vht_capabilities->vht_supported_mcs_set.tx_map);
1884 blobmsg_add_u16(&b, "tx_highest", vht_capabilities->vht_supported_mcs_set.tx_highest);
1885 blobmsg_close_table(&b, vht_cap_mcs_set);
1886 blobmsg_close_table(&b, vht_cap);
1887 }
1888 }
1889
1890 if (!hapd->ubus.notify_response) {
1891 ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1892 return WLAN_STATUS_SUCCESS;
1893 }
1894
1895 if (ubus_notify_async(ctx, &hapd->ubus.obj, type, b.head, &ureq.nreq))
1896 return WLAN_STATUS_SUCCESS;
1897
1898 ureq.nreq.status_cb = ubus_event_cb;
1899 ubus_complete_request(ctx, &ureq.nreq.req, 100);
1900
1901 if (ureq.resp)
1902 return ureq.resp;
1903
1904 return WLAN_STATUS_SUCCESS;
1905 }
1906
1907 void hostapd_ubus_notify(struct hostapd_data *hapd, const char *type, const u8 *addr)
1908 {
1909 if (!hapd->ubus.obj.has_subscribers)
1910 return;
1911
1912 if (!addr)
1913 return;
1914
1915 blob_buf_init(&b, 0);
1916 blobmsg_add_macaddr(&b, "address", addr);
1917
1918 ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1919 }
1920
1921 void hostapd_ubus_notify_beacon_report(
1922 struct hostapd_data *hapd, const u8 *addr, u8 token, u8 rep_mode,
1923 struct rrm_measurement_beacon_report *rep, size_t len)
1924 {
1925 if (!hapd->ubus.obj.has_subscribers)
1926 return;
1927
1928 if (!addr || !rep)
1929 return;
1930
1931 blob_buf_init(&b, 0);
1932 blobmsg_add_macaddr(&b, "address", addr);
1933 blobmsg_add_u16(&b, "op-class", rep->op_class);
1934 blobmsg_add_u16(&b, "channel", rep->channel);
1935 blobmsg_add_u64(&b, "start-time", rep->start_time);
1936 blobmsg_add_u16(&b, "duration", rep->duration);
1937 blobmsg_add_u16(&b, "report-info", rep->report_info);
1938 blobmsg_add_u16(&b, "rcpi", rep->rcpi);
1939 blobmsg_add_u16(&b, "rsni", rep->rsni);
1940 blobmsg_add_macaddr(&b, "bssid", rep->bssid);
1941 blobmsg_add_u16(&b, "antenna-id", rep->antenna_id);
1942 blobmsg_add_u16(&b, "parent-tsf", rep->parent_tsf);
1943
1944 ubus_notify(ctx, &hapd->ubus.obj, "beacon-report", b.head, -1);
1945 }
1946
1947 void hostapd_ubus_notify_radar_detected(struct hostapd_iface *iface, int frequency,
1948 int chan_width, int cf1, int cf2)
1949 {
1950 struct hostapd_data *hapd;
1951 int i;
1952
1953 blob_buf_init(&b, 0);
1954 blobmsg_add_u16(&b, "frequency", frequency);
1955 blobmsg_add_u16(&b, "width", chan_width);
1956 blobmsg_add_u16(&b, "center1", cf1);
1957 blobmsg_add_u16(&b, "center2", cf2);
1958
1959 for (i = 0; i < iface->num_bss; i++) {
1960 hapd = iface->bss[i];
1961 ubus_notify(ctx, &hapd->ubus.obj, "radar-detected", b.head, -1);
1962 }
1963 }
1964
1965 #ifdef CONFIG_WNM_AP
1966 static void hostapd_ubus_notify_bss_transition_add_candidate_list(
1967 const u8 *candidate_list, u16 candidate_list_len)
1968 {
1969 char *cl_str;
1970 int i;
1971
1972 if (candidate_list_len == 0)
1973 return;
1974
1975 cl_str = blobmsg_alloc_string_buffer(&b, "candidate-list", candidate_list_len * 2 + 1);
1976 for (i = 0; i < candidate_list_len; i++)
1977 snprintf(&cl_str[i*2], 3, "%02X", candidate_list[i]);
1978 blobmsg_add_string_buffer(&b);
1979
1980 }
1981 #endif
1982
1983 void hostapd_ubus_notify_bss_transition_response(
1984 struct hostapd_data *hapd, const u8 *addr, u8 dialog_token, u8 status_code,
1985 u8 bss_termination_delay, const u8 *target_bssid,
1986 const u8 *candidate_list, u16 candidate_list_len)
1987 {
1988 #ifdef CONFIG_WNM_AP
1989 u16 i;
1990
1991 if (!hapd->ubus.obj.has_subscribers)
1992 return;
1993
1994 if (!addr)
1995 return;
1996
1997 blob_buf_init(&b, 0);
1998 blobmsg_add_macaddr(&b, "address", addr);
1999 blobmsg_add_u8(&b, "dialog-token", dialog_token);
2000 blobmsg_add_u8(&b, "status-code", status_code);
2001 blobmsg_add_u8(&b, "bss-termination-delay", bss_termination_delay);
2002 if (target_bssid)
2003 blobmsg_add_macaddr(&b, "target-bssid", target_bssid);
2004
2005 hostapd_ubus_notify_bss_transition_add_candidate_list(candidate_list, candidate_list_len);
2006
2007 ubus_notify(ctx, &hapd->ubus.obj, "bss-transition-response", b.head, -1);
2008 #endif
2009 }
2010
2011 int hostapd_ubus_notify_bss_transition_query(
2012 struct hostapd_data *hapd, const u8 *addr, u8 dialog_token, u8 reason,
2013 const u8 *candidate_list, u16 candidate_list_len)
2014 {
2015 #ifdef CONFIG_WNM_AP
2016 struct ubus_event_req ureq = {};
2017 char *cl_str;
2018 u16 i;
2019
2020 if (!hapd->ubus.obj.has_subscribers)
2021 return 0;
2022
2023 if (!addr)
2024 return 0;
2025
2026 blob_buf_init(&b, 0);
2027 blobmsg_add_macaddr(&b, "address", addr);
2028 blobmsg_add_u8(&b, "dialog-token", dialog_token);
2029 blobmsg_add_u8(&b, "reason", reason);
2030 hostapd_ubus_notify_bss_transition_add_candidate_list(candidate_list, candidate_list_len);
2031
2032 if (!hapd->ubus.notify_response) {
2033 ubus_notify(ctx, &hapd->ubus.obj, "bss-transition-query", b.head, -1);
2034 return 0;
2035 }
2036
2037 if (ubus_notify_async(ctx, &hapd->ubus.obj, "bss-transition-query", b.head, &ureq.nreq))
2038 return 0;
2039
2040 ureq.nreq.status_cb = ubus_event_cb;
2041 ubus_complete_request(ctx, &ureq.nreq.req, 100);
2042
2043 return ureq.resp;
2044 #endif
2045 }
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