1 /*
2 * Control interface for shared AP commands
3 * Copyright (c) 2004-2019, Jouni Malinen <[email protected]>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "common/ieee802_11_defs.h"
13 #include "common/sae.h"
14 #include "eapol_auth/eapol_auth_sm.h"
15 #include "fst/fst_ctrl_iface.h"
16 #include "hostapd.h"
17 #include "ieee802_1x.h"
18 #include "wpa_auth.h"
19 #include "ieee802_11.h"
20 #include "sta_info.h"
21 #include "wps_hostapd.h"
22 #include "p2p_hostapd.h"
23 #include "ctrl_iface_ap.h"
24 #include "ap_drv_ops.h"
25 #include "mbo_ap.h"
26 #include "taxonomy.h"
27 #include "wnm_ap.h"
28
29
hostapd_write_ht_mcs_bitmask(char * buf,size_t buflen,size_t curr_len,const u8 * mcs_set)30 static size_t hostapd_write_ht_mcs_bitmask(char *buf, size_t buflen,
31 size_t curr_len, const u8 *mcs_set)
32 {
33 int ret;
34 size_t len = curr_len;
35
36 ret = os_snprintf(buf + len, buflen - len,
37 "ht_mcs_bitmask=");
38 if (os_snprintf_error(buflen - len, ret))
39 return len;
40 len += ret;
41
42 /* 77 first bits (+ 3 reserved bits) */
43 len += wpa_snprintf_hex(buf + len, buflen - len, mcs_set, 10);
44
45 ret = os_snprintf(buf + len, buflen - len, "\n");
46 if (os_snprintf_error(buflen - len, ret))
47 return curr_len;
48 len += ret;
49
50 return len;
51 }
52
53
hostapd_get_sta_conn_time(struct sta_info * sta,struct hostap_sta_driver_data * data,char * buf,size_t buflen)54 static int hostapd_get_sta_conn_time(struct sta_info *sta,
55 struct hostap_sta_driver_data *data,
56 char *buf, size_t buflen)
57 {
58 struct os_reltime age;
59 unsigned long secs;
60 int ret;
61
62 if (sta->connected_time.sec) {
63 /* Locally maintained time in AP mode */
64 os_reltime_age(&sta->connected_time, &age);
65 secs = (unsigned long) age.sec;
66 } else if (data->flags & STA_DRV_DATA_CONN_TIME) {
67 /* Time from the driver in mesh mode */
68 secs = data->connected_sec;
69 } else {
70 return 0;
71 }
72
73 ret = os_snprintf(buf, buflen, "connected_time=%lu\n", secs);
74 if (os_snprintf_error(buflen, ret))
75 return 0;
76 return ret;
77 }
78
79
hostapd_get_sta_info(struct hostapd_data * hapd,struct sta_info * sta,char * buf,size_t buflen)80 static int hostapd_get_sta_info(struct hostapd_data *hapd,
81 struct sta_info *sta,
82 char *buf, size_t buflen)
83 {
84 struct hostap_sta_driver_data data;
85 int ret;
86 int len = 0;
87
88 if (hostapd_drv_read_sta_data(hapd, &data, sta->addr) < 0)
89 return 0;
90
91 ret = os_snprintf(buf, buflen, "rx_packets=%lu\ntx_packets=%lu\n"
92 "rx_bytes=%llu\ntx_bytes=%llu\ninactive_msec=%lu\n"
93 "signal=%d\n",
94 data.rx_packets, data.tx_packets,
95 data.rx_bytes, data.tx_bytes, data.inactive_msec,
96 data.signal);
97 if (os_snprintf_error(buflen, ret))
98 return 0;
99 len += ret;
100
101 ret = os_snprintf(buf + len, buflen - len, "rx_rate_info=%lu",
102 data.current_rx_rate / 100);
103 if (os_snprintf_error(buflen - len, ret))
104 return len;
105 len += ret;
106 if (data.flags & STA_DRV_DATA_RX_MCS) {
107 ret = os_snprintf(buf + len, buflen - len, " mcs %u",
108 data.rx_mcs);
109 if (!os_snprintf_error(buflen - len, ret))
110 len += ret;
111 }
112 if (data.flags & STA_DRV_DATA_RX_VHT_MCS) {
113 ret = os_snprintf(buf + len, buflen - len, " vhtmcs %u",
114 data.rx_vhtmcs);
115 if (!os_snprintf_error(buflen - len, ret))
116 len += ret;
117 }
118 if (data.flags & STA_DRV_DATA_RX_VHT_NSS) {
119 ret = os_snprintf(buf + len, buflen - len, " vhtnss %u",
120 data.rx_vht_nss);
121 if (!os_snprintf_error(buflen - len, ret))
122 len += ret;
123 }
124 if (data.flags & STA_DRV_DATA_RX_SHORT_GI) {
125 ret = os_snprintf(buf + len, buflen - len, " shortGI");
126 if (!os_snprintf_error(buflen - len, ret))
127 len += ret;
128 }
129 ret = os_snprintf(buf + len, buflen - len, "\n");
130 if (!os_snprintf_error(buflen - len, ret))
131 len += ret;
132
133 ret = os_snprintf(buf + len, buflen - len, "tx_rate_info=%lu",
134 data.current_tx_rate / 100);
135 if (os_snprintf_error(buflen - len, ret))
136 return len;
137 len += ret;
138 if (data.flags & STA_DRV_DATA_TX_MCS) {
139 ret = os_snprintf(buf + len, buflen - len, " mcs %u",
140 data.tx_mcs);
141 if (!os_snprintf_error(buflen - len, ret))
142 len += ret;
143 }
144 if (data.flags & STA_DRV_DATA_TX_VHT_MCS) {
145 ret = os_snprintf(buf + len, buflen - len, " vhtmcs %u",
146 data.tx_vhtmcs);
147 if (!os_snprintf_error(buflen - len, ret))
148 len += ret;
149 }
150 if (data.flags & STA_DRV_DATA_TX_VHT_NSS) {
151 ret = os_snprintf(buf + len, buflen - len, " vhtnss %u",
152 data.tx_vht_nss);
153 if (!os_snprintf_error(buflen - len, ret))
154 len += ret;
155 }
156 if (data.flags & STA_DRV_DATA_TX_SHORT_GI) {
157 ret = os_snprintf(buf + len, buflen - len, " shortGI");
158 if (!os_snprintf_error(buflen - len, ret))
159 len += ret;
160 }
161 ret = os_snprintf(buf + len, buflen - len, "\n");
162 if (!os_snprintf_error(buflen - len, ret))
163 len += ret;
164
165 if ((sta->flags & WLAN_STA_VHT) && sta->vht_capabilities) {
166 ret = os_snprintf(buf + len, buflen - len,
167 "rx_vht_mcs_map=%04x\n"
168 "tx_vht_mcs_map=%04x\n",
169 le_to_host16(sta->vht_capabilities->
170 vht_supported_mcs_set.rx_map),
171 le_to_host16(sta->vht_capabilities->
172 vht_supported_mcs_set.tx_map));
173 if (!os_snprintf_error(buflen - len, ret))
174 len += ret;
175 }
176
177 if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities) {
178 len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
179 sta->ht_capabilities->
180 supported_mcs_set);
181 }
182
183 if (data.flags & STA_DRV_DATA_LAST_ACK_RSSI) {
184 ret = os_snprintf(buf + len, buflen - len,
185 "last_ack_signal=%d\n", data.last_ack_rssi);
186 if (!os_snprintf_error(buflen - len, ret))
187 len += ret;
188 }
189
190 len += hostapd_get_sta_conn_time(sta, &data, buf + len, buflen - len);
191
192 return len;
193 }
194
195
timeout_next_str(int val)196 static const char * timeout_next_str(int val)
197 {
198 switch (val) {
199 case STA_NULLFUNC:
200 return "NULLFUNC POLL";
201 case STA_DISASSOC:
202 return "DISASSOC";
203 case STA_DEAUTH:
204 return "DEAUTH";
205 case STA_REMOVE:
206 return "REMOVE";
207 case STA_DISASSOC_FROM_CLI:
208 return "DISASSOC_FROM_CLI";
209 default:
210 return "?";
211 }
212 }
213
214
hw_mode_str(enum hostapd_hw_mode mode)215 static const char * hw_mode_str(enum hostapd_hw_mode mode)
216 {
217 switch (mode) {
218 case HOSTAPD_MODE_IEEE80211B:
219 return "b";
220 case HOSTAPD_MODE_IEEE80211G:
221 return "g";
222 case HOSTAPD_MODE_IEEE80211A:
223 return "a";
224 case HOSTAPD_MODE_IEEE80211AD:
225 return "ad";
226 case HOSTAPD_MODE_IEEE80211ANY:
227 return "any";
228 case NUM_HOSTAPD_MODES:
229 return "invalid";
230 }
231 return "unknown";
232 }
233
234
hostapd_ctrl_iface_sta_mib(struct hostapd_data * hapd,struct sta_info * sta,char * buf,size_t buflen)235 static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
236 struct sta_info *sta,
237 char *buf, size_t buflen)
238 {
239 int len, res, ret, i;
240 const char *keyid;
241 const u8 *dpp_pkhash;
242
243 if (!sta)
244 return 0;
245
246 len = 0;
247 ret = os_snprintf(buf + len, buflen - len, MACSTR "\nflags=",
248 MAC2STR(sta->addr));
249 if (os_snprintf_error(buflen - len, ret))
250 return len;
251 len += ret;
252
253 ret = ap_sta_flags_txt(sta->flags, buf + len, buflen - len);
254 if (ret < 0)
255 return len;
256 len += ret;
257
258 ret = os_snprintf(buf + len, buflen - len, "\naid=%d\ncapability=0x%x\n"
259 "listen_interval=%d\nsupported_rates=",
260 sta->aid, sta->capability, sta->listen_interval);
261 if (os_snprintf_error(buflen - len, ret))
262 return len;
263 len += ret;
264
265 for (i = 0; i < sta->supported_rates_len; i++) {
266 ret = os_snprintf(buf + len, buflen - len, "%02x%s",
267 sta->supported_rates[i],
268 i + 1 < sta->supported_rates_len ? " " : "");
269 if (os_snprintf_error(buflen - len, ret))
270 return len;
271 len += ret;
272 }
273
274 ret = os_snprintf(buf + len, buflen - len, "\ntimeout_next=%s\n",
275 timeout_next_str(sta->timeout_next));
276 if (os_snprintf_error(buflen - len, ret))
277 return len;
278 len += ret;
279
280 if (sta->max_idle_period) {
281 ret = os_snprintf(buf + len, buflen - len,
282 "max_idle_period=%d\n", sta->max_idle_period);
283 if (os_snprintf_error(buflen - len, ret))
284 return len;
285 len += ret;
286 }
287
288 res = ieee802_11_get_mib_sta(hapd, sta, buf + len, buflen - len);
289 if (res >= 0)
290 len += res;
291 res = wpa_get_mib_sta(sta->wpa_sm, buf + len, buflen - len);
292 if (res >= 0)
293 len += res;
294 res = ieee802_1x_get_mib_sta(hapd, sta, buf + len, buflen - len);
295 if (res >= 0)
296 len += res;
297 res = hostapd_wps_get_mib_sta(hapd, sta->addr, buf + len,
298 buflen - len);
299 if (res >= 0)
300 len += res;
301 res = hostapd_p2p_get_mib_sta(hapd, sta, buf + len, buflen - len);
302 if (res >= 0)
303 len += res;
304
305 len += hostapd_get_sta_info(hapd, sta, buf + len, buflen - len);
306
307 #ifdef CONFIG_SAE
308 if (sta->sae && sta->sae->state == SAE_ACCEPTED) {
309 res = os_snprintf(buf + len, buflen - len, "sae_group=%d\n",
310 sta->sae->group);
311 if (!os_snprintf_error(buflen - len, res))
312 len += res;
313 }
314
315 if (sta->sae && sta->sae->tmp) {
316 const u8 *pos;
317 unsigned int j, count;
318 struct wpabuf *groups = sta->sae->tmp->peer_rejected_groups;
319
320 res = os_snprintf(buf + len, buflen - len,
321 "sae_rejected_groups=");
322 if (!os_snprintf_error(buflen - len, res))
323 len += res;
324
325 if (groups) {
326 pos = wpabuf_head(groups);
327 count = wpabuf_len(groups) / 2;
328 } else {
329 pos = NULL;
330 count = 0;
331 }
332 for (j = 0; pos && j < count; j++) {
333 res = os_snprintf(buf + len, buflen - len, "%s%d",
334 j == 0 ? "" : " ", WPA_GET_LE16(pos));
335 if (!os_snprintf_error(buflen - len, res))
336 len += res;
337 pos += 2;
338 }
339
340 res = os_snprintf(buf + len, buflen - len, "\n");
341 if (!os_snprintf_error(buflen - len, res))
342 len += res;
343 }
344 #endif /* CONFIG_SAE */
345
346 if (sta->vlan_id > 0) {
347 res = os_snprintf(buf + len, buflen - len, "vlan_id=%d\n",
348 sta->vlan_id);
349 if (!os_snprintf_error(buflen - len, res))
350 len += res;
351 }
352
353 res = mbo_ap_get_info(sta, buf + len, buflen - len);
354 if (res >= 0)
355 len += res;
356
357 if (sta->supp_op_classes &&
358 buflen - len > (unsigned) (17 + 2 * sta->supp_op_classes[0])) {
359 res = os_snprintf(buf + len, buflen - len, "supp_op_classes=");
360 if (!os_snprintf_error(buflen - len, res))
361 len += res;
362 len += wpa_snprintf_hex(buf + len, buflen - len,
363 sta->supp_op_classes + 1,
364 sta->supp_op_classes[0]);
365 res = os_snprintf(buf + len, buflen - len, "\n");
366 if (!os_snprintf_error(buflen - len, res))
367 len += res;
368 }
369
370 if (sta->power_capab) {
371 ret = os_snprintf(buf + len, buflen - len,
372 "min_txpower=%d\n"
373 "max_txpower=%d\n",
374 sta->min_tx_power, sta->max_tx_power);
375 if (!os_snprintf_error(buflen - len, ret))
376 len += ret;
377 }
378
379 #ifdef CONFIG_IEEE80211AX
380 if ((sta->flags & WLAN_STA_HE) && sta->he_capab) {
381 res = os_snprintf(buf + len, buflen - len, "he_capab=");
382 if (!os_snprintf_error(buflen - len, res))
383 len += res;
384 len += wpa_snprintf_hex(buf + len, buflen - len,
385 (const u8 *) sta->he_capab,
386 sta->he_capab_len);
387 res = os_snprintf(buf + len, buflen - len, "\n");
388 if (!os_snprintf_error(buflen - len, res))
389 len += res;
390 }
391 #endif /* CONFIG_IEEE80211AX */
392
393 #ifdef CONFIG_IEEE80211BE
394 if ((sta->flags & WLAN_STA_EHT) && sta->eht_capab) {
395 res = os_snprintf(buf + len, buflen - len, "eht_capab=");
396 if (!os_snprintf_error(buflen - len, res))
397 len += res;
398 len += wpa_snprintf_hex(buf + len, buflen - len,
399 (const u8 *) sta->eht_capab,
400 sta->eht_capab_len);
401 res = os_snprintf(buf + len, buflen - len, "\n");
402 if (!os_snprintf_error(buflen - len, res))
403 len += res;
404 }
405 #endif /* CONFIG_IEEE80211BE */
406
407 #ifdef CONFIG_IEEE80211AC
408 if ((sta->flags & WLAN_STA_VHT) && sta->vht_capabilities) {
409 res = os_snprintf(buf + len, buflen - len,
410 "vht_caps_info=0x%08x\n",
411 le_to_host32(sta->vht_capabilities->
412 vht_capabilities_info));
413 if (!os_snprintf_error(buflen - len, res))
414 len += res;
415
416 res = os_snprintf(buf + len, buflen - len, "vht_capab=");
417 if (!os_snprintf_error(buflen - len, res))
418 len += res;
419 len += wpa_snprintf_hex(buf + len, buflen - len,
420 (const u8 *) sta->vht_capabilities,
421 sizeof(*sta->vht_capabilities));
422 res = os_snprintf(buf + len, buflen - len, "\n");
423 if (!os_snprintf_error(buflen - len, res))
424 len += res;
425 }
426 #endif /* CONFIG_IEEE80211AC */
427
428 if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities) {
429 res = os_snprintf(buf + len, buflen - len,
430 "ht_caps_info=0x%04x\n",
431 le_to_host16(sta->ht_capabilities->
432 ht_capabilities_info));
433 if (!os_snprintf_error(buflen - len, res))
434 len += res;
435 }
436
437 if (sta->ext_capability &&
438 buflen - len > (unsigned) (11 + 2 * sta->ext_capability[0])) {
439 res = os_snprintf(buf + len, buflen - len, "ext_capab=");
440 if (!os_snprintf_error(buflen - len, res))
441 len += res;
442 len += wpa_snprintf_hex(buf + len, buflen - len,
443 sta->ext_capability + 1,
444 sta->ext_capability[0]);
445 res = os_snprintf(buf + len, buflen - len, "\n");
446 if (!os_snprintf_error(buflen - len, res))
447 len += res;
448 }
449
450 if (sta->flags & WLAN_STA_WDS && sta->ifname_wds) {
451 ret = os_snprintf(buf + len, buflen - len,
452 "wds_sta_ifname=%s\n", sta->ifname_wds);
453 if (!os_snprintf_error(buflen - len, ret))
454 len += ret;
455 }
456
457 keyid = ap_sta_wpa_get_keyid(hapd, sta);
458 if (keyid) {
459 ret = os_snprintf(buf + len, buflen - len, "keyid=%s\n", keyid);
460 if (!os_snprintf_error(buflen - len, ret))
461 len += ret;
462 }
463
464 dpp_pkhash = ap_sta_wpa_get_dpp_pkhash(hapd, sta);
465 if (dpp_pkhash) {
466 ret = os_snprintf(buf + len, buflen - len, "dpp_pkhash=");
467 if (!os_snprintf_error(buflen - len, ret))
468 len += ret;
469 len += wpa_snprintf_hex(buf + len, buflen - len, dpp_pkhash,
470 SHA256_MAC_LEN);
471 ret = os_snprintf(buf + len, buflen - len, "\n");
472 if (!os_snprintf_error(buflen - len, ret))
473 len += ret;
474 }
475
476 #ifdef CONFIG_IEEE80211BE
477 if (sta->mld_info.mld_sta) {
478 for (i = 0; i < MAX_NUM_MLD_LINKS; ++i) {
479 if (!sta->mld_info.links[i].valid)
480 continue;
481 ret = os_snprintf(
482 buf + len, buflen - len,
483 "peer_addr[%d]=" MACSTR "\n",
484 i, MAC2STR(sta->mld_info.links[i].peer_addr));
485 if (!os_snprintf_error(buflen - len, ret))
486 len += ret;
487 }
488 }
489 #endif /* CONFIG_IEEE80211BE */
490
491 return len;
492 }
493
494
hostapd_ctrl_iface_sta_first(struct hostapd_data * hapd,char * buf,size_t buflen)495 int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
496 char *buf, size_t buflen)
497 {
498 return hostapd_ctrl_iface_sta_mib(hapd, hapd->sta_list, buf, buflen);
499 }
500
501
hostapd_ctrl_iface_sta(struct hostapd_data * hapd,const char * txtaddr,char * buf,size_t buflen)502 int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
503 char *buf, size_t buflen)
504 {
505 u8 addr[ETH_ALEN];
506 int ret;
507 const char *pos;
508 struct sta_info *sta;
509
510 if (hwaddr_aton(txtaddr, addr)) {
511 ret = os_snprintf(buf, buflen, "FAIL\n");
512 if (os_snprintf_error(buflen, ret))
513 return 0;
514 return ret;
515 }
516
517 sta = ap_get_sta(hapd, addr);
518 if (sta == NULL)
519 return -1;
520
521 pos = os_strchr(txtaddr, ' ');
522 if (pos) {
523 pos++;
524
525 #ifdef HOSTAPD_DUMP_STATE
526 if (os_strcmp(pos, "eapol") == 0) {
527 if (sta->eapol_sm == NULL)
528 return -1;
529 return eapol_auth_dump_state(sta->eapol_sm, buf,
530 buflen);
531 }
532 #endif /* HOSTAPD_DUMP_STATE */
533
534 return -1;
535 }
536
537 ret = hostapd_ctrl_iface_sta_mib(hapd, sta, buf, buflen);
538 ret += fst_ctrl_iface_mb_info(addr, buf + ret, buflen - ret);
539
540 return ret;
541 }
542
543
hostapd_ctrl_iface_sta_next(struct hostapd_data * hapd,const char * txtaddr,char * buf,size_t buflen)544 int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
545 char *buf, size_t buflen)
546 {
547 u8 addr[ETH_ALEN];
548 struct sta_info *sta;
549 int ret;
550
551 if (hwaddr_aton(txtaddr, addr) ||
552 (sta = ap_get_sta(hapd, addr)) == NULL) {
553 ret = os_snprintf(buf, buflen, "FAIL\n");
554 if (os_snprintf_error(buflen, ret))
555 return 0;
556 return ret;
557 }
558
559 if (!sta->next)
560 return 0;
561
562 return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
563 }
564
565
566 #ifdef CONFIG_P2P_MANAGER
p2p_manager_disconnect(struct hostapd_data * hapd,u16 stype,u8 minor_reason_code,const u8 * addr)567 static int p2p_manager_disconnect(struct hostapd_data *hapd, u16 stype,
568 u8 minor_reason_code, const u8 *addr)
569 {
570 struct ieee80211_mgmt *mgmt;
571 int ret;
572 u8 *pos;
573
574 mgmt = os_zalloc(sizeof(*mgmt) + 100);
575 if (mgmt == NULL)
576 return -1;
577
578 mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, stype);
579 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "P2P: Disconnect STA " MACSTR
580 " with minor reason code %u (stype=%u (%s))",
581 MAC2STR(addr), minor_reason_code, stype,
582 fc2str(le_to_host16(mgmt->frame_control)));
583
584 os_memcpy(mgmt->da, addr, ETH_ALEN);
585 os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
586 os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
587 if (stype == WLAN_FC_STYPE_DEAUTH) {
588 mgmt->u.deauth.reason_code =
589 host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
590 pos = mgmt->u.deauth.variable;
591 } else {
592 mgmt->u.disassoc.reason_code =
593 host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
594 pos = mgmt->u.disassoc.variable;
595 }
596
597 *pos++ = WLAN_EID_VENDOR_SPECIFIC;
598 *pos++ = 4 + 3 + 1;
599 WPA_PUT_BE32(pos, P2P_IE_VENDOR_TYPE);
600 pos += 4;
601
602 *pos++ = P2P_ATTR_MINOR_REASON_CODE;
603 WPA_PUT_LE16(pos, 1);
604 pos += 2;
605 *pos++ = minor_reason_code;
606
607 ret = hostapd_drv_send_mlme(hapd, mgmt, pos - (u8 *) mgmt, 0, NULL, 0,
608 0);
609 os_free(mgmt);
610
611 return ret < 0 ? -1 : 0;
612 }
613 #endif /* CONFIG_P2P_MANAGER */
614
615
hostapd_ctrl_iface_deauthenticate(struct hostapd_data * hapd,const char * txtaddr)616 int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
617 const char *txtaddr)
618 {
619 u8 addr[ETH_ALEN];
620 struct sta_info *sta;
621 const char *pos;
622 u16 reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
623
624 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DEAUTHENTICATE %s",
625 txtaddr);
626
627 if (hwaddr_aton(txtaddr, addr))
628 return -1;
629
630 pos = os_strstr(txtaddr, " reason=");
631 if (pos)
632 reason = atoi(pos + 8);
633
634 pos = os_strstr(txtaddr, " test=");
635 if (pos) {
636 struct ieee80211_mgmt mgmt;
637 int encrypt;
638
639 pos += 6;
640 encrypt = atoi(pos);
641 os_memset(&mgmt, 0, sizeof(mgmt));
642 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
643 WLAN_FC_STYPE_DEAUTH);
644 os_memcpy(mgmt.da, addr, ETH_ALEN);
645 os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
646 os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
647 mgmt.u.deauth.reason_code = host_to_le16(reason);
648 if (hostapd_drv_send_mlme(hapd, (u8 *) &mgmt,
649 IEEE80211_HDRLEN +
650 sizeof(mgmt.u.deauth),
651 0, NULL, 0, !encrypt) < 0)
652 return -1;
653 return 0;
654 }
655
656 #ifdef CONFIG_P2P_MANAGER
657 pos = os_strstr(txtaddr, " p2p=");
658 if (pos) {
659 return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DEAUTH,
660 atoi(pos + 5), addr);
661 }
662 #endif /* CONFIG_P2P_MANAGER */
663
664 sta = ap_get_sta(hapd, addr);
665 if (os_strstr(txtaddr, " tx=0")) {
666 hostapd_drv_sta_remove(hapd, addr);
667 if (sta)
668 ap_free_sta(hapd, sta);
669 } else {
670 hostapd_drv_sta_deauth(hapd, addr, reason);
671 if (sta)
672 ap_sta_deauthenticate(hapd, sta, reason);
673 else if (addr[0] == 0xff)
674 hostapd_free_stas(hapd);
675 }
676
677 return 0;
678 }
679
680
hostapd_ctrl_iface_disassociate(struct hostapd_data * hapd,const char * txtaddr)681 int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
682 const char *txtaddr)
683 {
684 u8 addr[ETH_ALEN];
685 struct sta_info *sta;
686 const char *pos;
687 u16 reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
688
689 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DISASSOCIATE %s",
690 txtaddr);
691
692 if (hwaddr_aton(txtaddr, addr))
693 return -1;
694
695 pos = os_strstr(txtaddr, " reason=");
696 if (pos)
697 reason = atoi(pos + 8);
698
699 pos = os_strstr(txtaddr, " test=");
700 if (pos) {
701 struct ieee80211_mgmt mgmt;
702 int encrypt;
703
704 pos += 6;
705 encrypt = atoi(pos);
706 os_memset(&mgmt, 0, sizeof(mgmt));
707 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
708 WLAN_FC_STYPE_DISASSOC);
709 os_memcpy(mgmt.da, addr, ETH_ALEN);
710 os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
711 os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
712 mgmt.u.disassoc.reason_code = host_to_le16(reason);
713 if (hostapd_drv_send_mlme(hapd, (u8 *) &mgmt,
714 IEEE80211_HDRLEN +
715 sizeof(mgmt.u.deauth),
716 0, NULL, 0, !encrypt) < 0)
717 return -1;
718 return 0;
719 }
720
721 #ifdef CONFIG_P2P_MANAGER
722 pos = os_strstr(txtaddr, " p2p=");
723 if (pos) {
724 return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DISASSOC,
725 atoi(pos + 5), addr);
726 }
727 #endif /* CONFIG_P2P_MANAGER */
728
729 sta = ap_get_sta(hapd, addr);
730 if (os_strstr(txtaddr, " tx=0")) {
731 hostapd_drv_sta_remove(hapd, addr);
732 if (sta)
733 ap_free_sta(hapd, sta);
734 } else {
735 hostapd_drv_sta_disassoc(hapd, addr, reason);
736 if (sta)
737 ap_sta_disassociate(hapd, sta, reason);
738 else if (addr[0] == 0xff)
739 hostapd_free_stas(hapd);
740 }
741
742 return 0;
743 }
744
745
746 #ifdef CONFIG_TAXONOMY
hostapd_ctrl_iface_signature(struct hostapd_data * hapd,const char * txtaddr,char * buf,size_t buflen)747 int hostapd_ctrl_iface_signature(struct hostapd_data *hapd,
748 const char *txtaddr,
749 char *buf, size_t buflen)
750 {
751 u8 addr[ETH_ALEN];
752 struct sta_info *sta;
753
754 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE SIGNATURE %s", txtaddr);
755
756 if (hwaddr_aton(txtaddr, addr))
757 return -1;
758
759 sta = ap_get_sta(hapd, addr);
760 if (!sta)
761 return -1;
762
763 return retrieve_sta_taxonomy(hapd, sta, buf, buflen);
764 }
765 #endif /* CONFIG_TAXONOMY */
766
767
hostapd_ctrl_iface_poll_sta(struct hostapd_data * hapd,const char * txtaddr)768 int hostapd_ctrl_iface_poll_sta(struct hostapd_data *hapd,
769 const char *txtaddr)
770 {
771 u8 addr[ETH_ALEN];
772 struct sta_info *sta;
773
774 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE POLL_STA %s", txtaddr);
775
776 if (hwaddr_aton(txtaddr, addr))
777 return -1;
778
779 sta = ap_get_sta(hapd, addr);
780 if (!sta)
781 return -1;
782
783 hostapd_drv_poll_client(hapd, hapd->own_addr, addr,
784 sta->flags & WLAN_STA_WMM);
785 return 0;
786 }
787
788
hostapd_ctrl_iface_status(struct hostapd_data * hapd,char * buf,size_t buflen)789 int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
790 size_t buflen)
791 {
792 struct hostapd_iface *iface = hapd->iface;
793 struct hostapd_hw_modes *mode = iface->current_mode;
794 struct hostapd_config *iconf = hapd->iconf;
795 int len = 0, ret, j;
796 size_t i;
797
798 ret = os_snprintf(buf + len, buflen - len,
799 "state=%s\n"
800 "phy=%s\n"
801 "freq=%d\n"
802 "num_sta_non_erp=%d\n"
803 "num_sta_no_short_slot_time=%d\n"
804 "num_sta_no_short_preamble=%d\n"
805 "olbc=%d\n"
806 "num_sta_ht_no_gf=%d\n"
807 "num_sta_no_ht=%d\n"
808 "num_sta_ht_20_mhz=%d\n"
809 "num_sta_ht40_intolerant=%d\n"
810 "olbc_ht=%d\n"
811 "ht_op_mode=0x%x\n",
812 hostapd_state_text(iface->state),
813 iface->phy,
814 iface->freq,
815 iface->num_sta_non_erp,
816 iface->num_sta_no_short_slot_time,
817 iface->num_sta_no_short_preamble,
818 iface->olbc,
819 iface->num_sta_ht_no_gf,
820 iface->num_sta_no_ht,
821 iface->num_sta_ht_20mhz,
822 iface->num_sta_ht40_intolerant,
823 iface->olbc_ht,
824 iface->ht_op_mode);
825 if (os_snprintf_error(buflen - len, ret))
826 return len;
827 len += ret;
828
829 if (mode) {
830 ret = os_snprintf(buf + len, buflen - len, "hw_mode=%s\n",
831 hw_mode_str(mode->mode));
832 if (os_snprintf_error(buflen - len, ret))
833 return len;
834 len += ret;
835 }
836
837 if (iconf->country[0] && iconf->country[1]) {
838 ret = os_snprintf(buf + len, buflen - len,
839 "country_code=%c%c\ncountry3=0x%X\n",
840 iconf->country[0], iconf->country[1],
841 iconf->country[2]);
842 if (os_snprintf_error(buflen - len, ret))
843 return len;
844 len += ret;
845 }
846
847 if (!iface->cac_started || !iface->dfs_cac_ms) {
848 ret = os_snprintf(buf + len, buflen - len,
849 "cac_time_seconds=%d\n"
850 "cac_time_left_seconds=N/A\n",
851 iface->dfs_cac_ms / 1000);
852 } else {
853 /* CAC started and CAC time set - calculate remaining time */
854 struct os_reltime now;
855 long left_time;
856
857 os_reltime_age(&iface->dfs_cac_start, &now);
858 left_time = (long) iface->dfs_cac_ms / 1000 - now.sec;
859 ret = os_snprintf(buf + len, buflen - len,
860 "cac_time_seconds=%u\n"
861 "cac_time_left_seconds=%lu\n",
862 iface->dfs_cac_ms / 1000,
863 left_time > 0 ? left_time : 0);
864 }
865 if (os_snprintf_error(buflen - len, ret))
866 return len;
867 len += ret;
868
869 ret = os_snprintf(buf + len, buflen - len,
870 "channel=%u\n"
871 "edmg_enable=%d\n"
872 "edmg_channel=%d\n"
873 "secondary_channel=%d\n"
874 "ieee80211n=%d\n"
875 "ieee80211ac=%d\n"
876 "ieee80211ax=%d\n"
877 "ieee80211be=%d\n"
878 "beacon_int=%u\n"
879 "dtim_period=%d\n",
880 iface->conf->channel,
881 iface->conf->enable_edmg,
882 iface->conf->edmg_channel,
883 iface->conf->ieee80211n && !hapd->conf->disable_11n ?
884 iface->conf->secondary_channel : 0,
885 iface->conf->ieee80211n && !hapd->conf->disable_11n,
886 iface->conf->ieee80211ac &&
887 !hapd->conf->disable_11ac,
888 iface->conf->ieee80211ax &&
889 !hapd->conf->disable_11ax,
890 iface->conf->ieee80211be &&
891 !hapd->conf->disable_11be,
892 iface->conf->beacon_int,
893 hapd->conf->dtim_period);
894 if (os_snprintf_error(buflen - len, ret))
895 return len;
896 len += ret;
897
898 #ifdef CONFIG_IEEE80211BE
899 if (iface->conf->ieee80211be && !hapd->conf->disable_11be) {
900 ret = os_snprintf(buf + len, buflen - len,
901 "eht_oper_chwidth=%d\n"
902 "eht_oper_centr_freq_seg0_idx=%d\n",
903 iface->conf->eht_oper_chwidth,
904 iface->conf->eht_oper_centr_freq_seg0_idx);
905 if (os_snprintf_error(buflen - len, ret))
906 return len;
907 len += ret;
908
909 if (is_6ghz_op_class(iface->conf->op_class) &&
910 hostapd_get_oper_chwidth(iface->conf) ==
911 CONF_OPER_CHWIDTH_320MHZ) {
912 ret = os_snprintf(buf + len, buflen - len,
913 "eht_bw320_offset=%d\n",
914 iface->conf->eht_bw320_offset);
915 if (os_snprintf_error(buflen - len, ret))
916 return len;
917 len += ret;
918 }
919
920 if (hapd->conf->mld_ap) {
921 struct hostapd_data *link_bss;
922
923 ret = os_snprintf(buf + len, buflen - len,
924 "num_links=%d\n",
925 hapd->mld->num_links);
926 if (os_snprintf_error(buflen - len, ret))
927 return len;
928 len += ret;
929
930 /* Self BSS */
931 ret = os_snprintf(buf + len, buflen - len,
932 "link_id=%d\n"
933 "link_addr=" MACSTR "\n",
934 hapd->mld_link_id,
935 MAC2STR(hapd->own_addr));
936 if (os_snprintf_error(buflen - len, ret))
937 return len;
938 len += ret;
939
940 /* Partner BSSs */
941 for_each_mld_link(link_bss, hapd) {
942 if (link_bss == hapd)
943 continue;
944
945 ret = os_snprintf(buf + len, buflen - len,
946 "partner_link[%d]=" MACSTR
947 "\n",
948 link_bss->mld_link_id,
949 MAC2STR(link_bss->own_addr));
950 if (os_snprintf_error(buflen - len, ret))
951 return len;
952 len += ret;
953 }
954 }
955 }
956 #endif /* CONFIG_IEEE80211BE */
957
958 #ifdef CONFIG_IEEE80211AX
959 if (iface->conf->ieee80211ax && !hapd->conf->disable_11ax) {
960 ret = os_snprintf(buf + len, buflen - len,
961 "he_oper_chwidth=%d\n"
962 "he_oper_centr_freq_seg0_idx=%d\n"
963 "he_oper_centr_freq_seg1_idx=%d\n",
964 iface->conf->he_oper_chwidth,
965 iface->conf->he_oper_centr_freq_seg0_idx,
966 iface->conf->he_oper_centr_freq_seg1_idx);
967 if (os_snprintf_error(buflen - len, ret))
968 return len;
969 len += ret;
970
971 if (!iconf->he_op.he_bss_color_disabled &&
972 iconf->he_op.he_bss_color) {
973 ret = os_snprintf(buf + len, buflen - len,
974 "he_bss_color=%d\n",
975 iconf->he_op.he_bss_color);
976 if (os_snprintf_error(buflen - len, ret))
977 return len;
978 len += ret;
979 }
980 }
981 #endif /* CONFIG_IEEE80211AX */
982
983 if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac) {
984 ret = os_snprintf(buf + len, buflen - len,
985 "vht_oper_chwidth=%d\n"
986 "vht_oper_centr_freq_seg0_idx=%d\n"
987 "vht_oper_centr_freq_seg1_idx=%d\n"
988 "vht_caps_info=%08x\n",
989 iface->conf->vht_oper_chwidth,
990 iface->conf->vht_oper_centr_freq_seg0_idx,
991 iface->conf->vht_oper_centr_freq_seg1_idx,
992 iface->conf->vht_capab);
993 if (os_snprintf_error(buflen - len, ret))
994 return len;
995 len += ret;
996 }
997
998 if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac && mode) {
999 u16 rxmap = WPA_GET_LE16(&mode->vht_mcs_set[0]);
1000 u16 txmap = WPA_GET_LE16(&mode->vht_mcs_set[4]);
1001
1002 ret = os_snprintf(buf + len, buflen - len,
1003 "rx_vht_mcs_map=%04x\n"
1004 "tx_vht_mcs_map=%04x\n",
1005 rxmap, txmap);
1006 if (os_snprintf_error(buflen - len, ret))
1007 return len;
1008 len += ret;
1009 }
1010
1011 if (iface->conf->ieee80211n && !hapd->conf->disable_11n) {
1012 ret = os_snprintf(buf + len, buflen - len,
1013 "ht_caps_info=%04x\n",
1014 hapd->iconf->ht_capab);
1015 if (os_snprintf_error(buflen - len, ret))
1016 return len;
1017 len += ret;
1018 }
1019
1020 if (iface->conf->ieee80211n && !hapd->conf->disable_11n && mode) {
1021 len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
1022 mode->mcs_set);
1023 }
1024
1025 if (iface->current_rates && iface->num_rates) {
1026 ret = os_snprintf(buf + len, buflen - len, "supported_rates=");
1027 if (os_snprintf_error(buflen - len, ret))
1028 return len;
1029 len += ret;
1030
1031 for (j = 0; j < iface->num_rates; j++) {
1032 ret = os_snprintf(buf + len, buflen - len, "%s%02x",
1033 j > 0 ? " " : "",
1034 iface->current_rates[j].rate / 5);
1035 if (os_snprintf_error(buflen - len, ret))
1036 return len;
1037 len += ret;
1038 }
1039 ret = os_snprintf(buf + len, buflen - len, "\n");
1040 if (os_snprintf_error(buflen - len, ret))
1041 return len;
1042 len += ret;
1043 }
1044
1045 for (j = 0; mode && j < mode->num_channels; j++) {
1046 if (mode->channels[j].freq == iface->freq) {
1047 ret = os_snprintf(buf + len, buflen - len,
1048 "max_txpower=%u\n",
1049 mode->channels[j].max_tx_power);
1050 if (os_snprintf_error(buflen - len, ret))
1051 return len;
1052 len += ret;
1053 break;
1054 }
1055 }
1056
1057 for (i = 0; i < iface->num_bss; i++) {
1058 struct hostapd_data *bss = iface->bss[i];
1059 ret = os_snprintf(buf + len, buflen - len,
1060 "bss[%d]=%s\n"
1061 "bssid[%d]=" MACSTR "\n"
1062 "ssid[%d]=%s\n"
1063 "num_sta[%d]=%d\n",
1064 (int) i, bss->conf->iface,
1065 (int) i, MAC2STR(bss->own_addr),
1066 (int) i,
1067 wpa_ssid_txt(bss->conf->ssid.ssid,
1068 bss->conf->ssid.ssid_len),
1069 (int) i, bss->num_sta);
1070 if (os_snprintf_error(buflen - len, ret))
1071 return len;
1072 len += ret;
1073
1074 #ifdef CONFIG_IEEE80211BE
1075 if (bss->conf->mld_ap) {
1076 ret = os_snprintf(buf + len, buflen - len,
1077 "mld_addr[%d]=" MACSTR "\n"
1078 "mld_id[%d]=%d\n"
1079 "mld_link_id[%d]=%d\n",
1080 (int) i, MAC2STR(bss->mld->mld_addr),
1081 (int) i, hostapd_get_mld_id(bss),
1082 (int) i, bss->mld_link_id);
1083 if (os_snprintf_error(buflen - len, ret))
1084 return len;
1085 len += ret;
1086 }
1087 #endif /* CONFIG_IEEE80211BE */
1088 }
1089
1090 if (hapd->conf->chan_util_avg_period) {
1091 ret = os_snprintf(buf + len, buflen - len,
1092 "chan_util_avg=%u\n",
1093 iface->chan_util_average);
1094 if (os_snprintf_error(buflen - len, ret))
1095 return len;
1096 len += ret;
1097 }
1098
1099 return len;
1100 }
1101
1102
hostapd_parse_csa_settings(const char * pos,struct csa_settings * settings)1103 int hostapd_parse_csa_settings(const char *pos,
1104 struct csa_settings *settings)
1105 {
1106 char *end;
1107
1108 os_memset(settings, 0, sizeof(*settings));
1109 settings->cs_count = strtol(pos, &end, 10);
1110 if (pos == end) {
1111 wpa_printf(MSG_ERROR, "chanswitch: invalid cs_count provided");
1112 return -1;
1113 }
1114
1115 settings->freq_params.freq = atoi(end);
1116 if (settings->freq_params.freq == 0) {
1117 wpa_printf(MSG_ERROR, "chanswitch: invalid freq provided");
1118 return -1;
1119 }
1120
1121 #define SET_CSA_SETTING(str) \
1122 do { \
1123 const char *pos2 = os_strstr(pos, " " #str "="); \
1124 if (pos2) { \
1125 pos2 += sizeof(" " #str "=") - 1; \
1126 settings->freq_params.str = atoi(pos2); \
1127 } \
1128 } while (0)
1129
1130 #define SET_CSA_SETTING_EXT(str) \
1131 do { \
1132 const char *pos2 = os_strstr(pos, " " #str "="); \
1133 if (pos2) { \
1134 pos2 += sizeof(" " #str "=") - 1; \
1135 settings->str = atoi(pos2); \
1136 } \
1137 } while (0)
1138
1139 SET_CSA_SETTING(center_freq1);
1140 SET_CSA_SETTING(center_freq2);
1141 SET_CSA_SETTING(bandwidth);
1142 SET_CSA_SETTING(sec_channel_offset);
1143 SET_CSA_SETTING_EXT(punct_bitmap);
1144 settings->freq_params.ht_enabled = !!os_strstr(pos, " ht");
1145 settings->freq_params.vht_enabled = !!os_strstr(pos, " vht");
1146 settings->freq_params.eht_enabled = !!os_strstr(pos, " eht");
1147 settings->freq_params.he_enabled = !!os_strstr(pos, " he") ||
1148 settings->freq_params.eht_enabled;
1149 settings->block_tx = !!os_strstr(pos, " blocktx");
1150 #undef SET_CSA_SETTING
1151 #undef SET_CSA_SETTING_EXT
1152
1153 return 0;
1154 }
1155
1156
hostapd_ctrl_iface_stop_ap(struct hostapd_data * hapd)1157 int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd)
1158 {
1159 return hostapd_drv_stop_ap(hapd);
1160 }
1161
1162
hostapd_ctrl_iface_pmksa_list(struct hostapd_data * hapd,char * buf,size_t len)1163 int hostapd_ctrl_iface_pmksa_list(struct hostapd_data *hapd, char *buf,
1164 size_t len)
1165 {
1166 return wpa_auth_pmksa_list(hapd->wpa_auth, buf, len);
1167 }
1168
1169
hostapd_ctrl_iface_pmksa_flush(struct hostapd_data * hapd)1170 void hostapd_ctrl_iface_pmksa_flush(struct hostapd_data *hapd)
1171 {
1172 wpa_auth_pmksa_flush(hapd->wpa_auth);
1173 }
1174
1175
hostapd_ctrl_iface_pmksa_add(struct hostapd_data * hapd,char * cmd)1176 int hostapd_ctrl_iface_pmksa_add(struct hostapd_data *hapd, char *cmd)
1177 {
1178 u8 spa[ETH_ALEN];
1179 u8 pmkid[PMKID_LEN];
1180 u8 pmk[PMK_LEN_MAX];
1181 size_t pmk_len;
1182 char *pos, *pos2;
1183 int akmp = 0, expiration = 0;
1184
1185 /*
1186 * Entry format:
1187 * <STA addr> <PMKID> <PMK> <expiration in seconds> <akmp>
1188 */
1189
1190 if (hwaddr_aton(cmd, spa))
1191 return -1;
1192
1193 pos = os_strchr(cmd, ' ');
1194 if (!pos)
1195 return -1;
1196 pos++;
1197
1198 if (hexstr2bin(pos, pmkid, PMKID_LEN) < 0)
1199 return -1;
1200
1201 pos = os_strchr(pos, ' ');
1202 if (!pos)
1203 return -1;
1204 pos++;
1205
1206 pos2 = os_strchr(pos, ' ');
1207 if (!pos2)
1208 return -1;
1209 pmk_len = (pos2 - pos) / 2;
1210 if (pmk_len < PMK_LEN || pmk_len > PMK_LEN_MAX ||
1211 hexstr2bin(pos, pmk, pmk_len) < 0)
1212 return -1;
1213
1214 pos = pos2 + 1;
1215
1216 if (sscanf(pos, "%d %d", &expiration, &akmp) != 2)
1217 return -1;
1218
1219 return wpa_auth_pmksa_add2(hapd->wpa_auth, spa, pmk, pmk_len,
1220 pmkid, expiration, akmp, NULL);
1221 }
1222
1223
1224 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
1225 #ifdef CONFIG_MESH
1226
hostapd_ctrl_iface_pmksa_list_mesh(struct hostapd_data * hapd,const u8 * addr,char * buf,size_t len)1227 int hostapd_ctrl_iface_pmksa_list_mesh(struct hostapd_data *hapd,
1228 const u8 *addr, char *buf, size_t len)
1229 {
1230 return wpa_auth_pmksa_list_mesh(hapd->wpa_auth, addr, buf, len);
1231 }
1232
1233
hostapd_ctrl_iface_pmksa_create_entry(const u8 * aa,char * cmd)1234 void * hostapd_ctrl_iface_pmksa_create_entry(const u8 *aa, char *cmd)
1235 {
1236 u8 spa[ETH_ALEN];
1237 u8 pmkid[PMKID_LEN];
1238 u8 pmk[PMK_LEN_MAX];
1239 char *pos;
1240 int expiration;
1241
1242 /*
1243 * Entry format:
1244 * <BSSID> <PMKID> <PMK> <expiration in seconds>
1245 */
1246
1247 if (hwaddr_aton(cmd, spa))
1248 return NULL;
1249
1250 pos = os_strchr(cmd, ' ');
1251 if (!pos)
1252 return NULL;
1253 pos++;
1254
1255 if (hexstr2bin(pos, pmkid, PMKID_LEN) < 0)
1256 return NULL;
1257
1258 pos = os_strchr(pos, ' ');
1259 if (!pos)
1260 return NULL;
1261 pos++;
1262
1263 if (hexstr2bin(pos, pmk, PMK_LEN) < 0)
1264 return NULL;
1265
1266 pos = os_strchr(pos, ' ');
1267 if (!pos)
1268 return NULL;
1269 pos++;
1270
1271 if (sscanf(pos, "%d", &expiration) != 1)
1272 return NULL;
1273
1274 return wpa_auth_pmksa_create_entry(aa, spa, pmk, PMK_LEN,
1275 WPA_KEY_MGMT_SAE, pmkid, expiration);
1276 }
1277
1278 #endif /* CONFIG_MESH */
1279 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
1280
1281
1282 #ifdef CONFIG_WNM_AP
1283
hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data * hapd,const char * cmd)1284 int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
1285 const char *cmd)
1286 {
1287 u8 addr[ETH_ALEN];
1288 int disassoc_timer;
1289 struct sta_info *sta;
1290
1291 if (hwaddr_aton(cmd, addr))
1292 return -1;
1293 if (cmd[17] != ' ')
1294 return -1;
1295 disassoc_timer = atoi(cmd + 17);
1296
1297 sta = ap_get_sta(hapd, addr);
1298 if (sta == NULL) {
1299 wpa_printf(MSG_DEBUG, "Station " MACSTR
1300 " not found for disassociation imminent message",
1301 MAC2STR(addr));
1302 return -1;
1303 }
1304
1305 return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
1306 }
1307
1308
hostapd_ctrl_iface_ess_disassoc(struct hostapd_data * hapd,const char * cmd)1309 int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd,
1310 const char *cmd)
1311 {
1312 u8 addr[ETH_ALEN];
1313 const char *url, *timerstr;
1314 int disassoc_timer;
1315 struct sta_info *sta;
1316
1317 if (hwaddr_aton(cmd, addr))
1318 return -1;
1319
1320 sta = ap_get_sta(hapd, addr);
1321 if (sta == NULL) {
1322 wpa_printf(MSG_DEBUG, "Station " MACSTR
1323 " not found for ESS disassociation imminent message",
1324 MAC2STR(addr));
1325 return -1;
1326 }
1327
1328 timerstr = cmd + 17;
1329 if (*timerstr != ' ')
1330 return -1;
1331 timerstr++;
1332 disassoc_timer = atoi(timerstr);
1333 if (disassoc_timer < 0 || disassoc_timer > 65535)
1334 return -1;
1335
1336 url = os_strchr(timerstr, ' ');
1337 if (url == NULL)
1338 return -1;
1339 url++;
1340
1341 return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer);
1342 }
1343
1344
hostapd_ctrl_iface_bss_tm_req(struct hostapd_data * hapd,const char * cmd)1345 int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd,
1346 const char *cmd)
1347 {
1348 u8 addr[ETH_ALEN];
1349 const char *pos, *end;
1350 int disassoc_timer = 0;
1351 struct sta_info *sta;
1352 u8 req_mode = 0, valid_int = 0x01, dialog_token = 0x01;
1353 u8 bss_term_dur[12];
1354 char *url = NULL;
1355 int ret;
1356 u8 nei_rep[1000];
1357 int nei_len;
1358 u8 mbo[10];
1359 size_t mbo_len = 0;
1360
1361 if (hwaddr_aton(cmd, addr)) {
1362 wpa_printf(MSG_DEBUG, "Invalid STA MAC address");
1363 return -1;
1364 }
1365
1366 sta = ap_get_sta(hapd, addr);
1367 if (sta == NULL) {
1368 wpa_printf(MSG_DEBUG, "Station " MACSTR
1369 " not found for BSS TM Request message",
1370 MAC2STR(addr));
1371 return -1;
1372 }
1373
1374 pos = os_strstr(cmd, " disassoc_timer=");
1375 if (pos) {
1376 pos += 16;
1377 disassoc_timer = atoi(pos);
1378 if (disassoc_timer < 0 || disassoc_timer > 65535) {
1379 wpa_printf(MSG_DEBUG, "Invalid disassoc_timer");
1380 return -1;
1381 }
1382 }
1383
1384 pos = os_strstr(cmd, " valid_int=");
1385 if (pos) {
1386 pos += 11;
1387 valid_int = atoi(pos);
1388 }
1389
1390 pos = os_strstr(cmd, " dialog_token=");
1391 if (pos) {
1392 pos += 14;
1393 dialog_token = atoi(pos);
1394 }
1395
1396 pos = os_strstr(cmd, " bss_term=");
1397 if (pos) {
1398 pos += 10;
1399 req_mode |= WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED;
1400 /* TODO: TSF configurable/learnable */
1401 bss_term_dur[0] = 4; /* Subelement ID */
1402 bss_term_dur[1] = 10; /* Length */
1403 os_memset(&bss_term_dur[2], 0, 8);
1404 end = os_strchr(pos, ',');
1405 if (end == NULL) {
1406 wpa_printf(MSG_DEBUG, "Invalid bss_term data");
1407 return -1;
1408 }
1409 end++;
1410 WPA_PUT_LE16(&bss_term_dur[10], atoi(end));
1411 }
1412
1413 nei_len = ieee802_11_parse_candidate_list(cmd, nei_rep,
1414 sizeof(nei_rep));
1415 if (nei_len < 0)
1416 return -1;
1417
1418 pos = os_strstr(cmd, " url=");
1419 if (pos) {
1420 size_t len;
1421 pos += 5;
1422 end = os_strchr(pos, ' ');
1423 if (end)
1424 len = end - pos;
1425 else
1426 len = os_strlen(pos);
1427 url = os_malloc(len + 1);
1428 if (url == NULL)
1429 return -1;
1430 os_memcpy(url, pos, len);
1431 url[len] = '\0';
1432 req_mode |= WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT;
1433 }
1434
1435 if (os_strstr(cmd, " pref=1"))
1436 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1437 if (os_strstr(cmd, " abridged=1"))
1438 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1439 if (os_strstr(cmd, " disassoc_imminent=1"))
1440 req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1441 if (os_strstr(cmd, " link_removal_imminent=1"))
1442 req_mode |= WNM_BSS_TM_REQ_LINK_REMOVAL_IMMINENT;
1443
1444 #ifdef CONFIG_MBO
1445 pos = os_strstr(cmd, "mbo=");
1446 if (pos) {
1447 unsigned int mbo_reason, cell_pref, reassoc_delay;
1448 u8 *mbo_pos = mbo;
1449
1450 ret = sscanf(pos, "mbo=%u:%u:%u", &mbo_reason,
1451 &reassoc_delay, &cell_pref);
1452 if (ret != 3) {
1453 wpa_printf(MSG_DEBUG,
1454 "MBO requires three arguments: mbo=<reason>:<reassoc_delay>:<cell_pref>");
1455 ret = -1;
1456 goto fail;
1457 }
1458
1459 if (mbo_reason > MBO_TRANSITION_REASON_PREMIUM_AP) {
1460 wpa_printf(MSG_DEBUG,
1461 "Invalid MBO transition reason code %u",
1462 mbo_reason);
1463 ret = -1;
1464 goto fail;
1465 }
1466
1467 /* Valid values for Cellular preference are: 0, 1, 255 */
1468 if (cell_pref != 0 && cell_pref != 1 && cell_pref != 255) {
1469 wpa_printf(MSG_DEBUG,
1470 "Invalid MBO cellular capability %u",
1471 cell_pref);
1472 ret = -1;
1473 goto fail;
1474 }
1475
1476 if (reassoc_delay > 65535 ||
1477 (reassoc_delay &&
1478 !(req_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT))) {
1479 wpa_printf(MSG_DEBUG,
1480 "MBO: Assoc retry delay is only valid in disassoc imminent mode");
1481 ret = -1;
1482 goto fail;
1483 }
1484
1485 *mbo_pos++ = MBO_ATTR_ID_TRANSITION_REASON;
1486 *mbo_pos++ = 1;
1487 *mbo_pos++ = mbo_reason;
1488 *mbo_pos++ = MBO_ATTR_ID_CELL_DATA_PREF;
1489 *mbo_pos++ = 1;
1490 *mbo_pos++ = cell_pref;
1491
1492 if (reassoc_delay) {
1493 *mbo_pos++ = MBO_ATTR_ID_ASSOC_RETRY_DELAY;
1494 *mbo_pos++ = 2;
1495 WPA_PUT_LE16(mbo_pos, reassoc_delay);
1496 mbo_pos += 2;
1497 }
1498
1499 mbo_len = mbo_pos - mbo;
1500 }
1501 #endif /* CONFIG_MBO */
1502
1503 ret = wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer,
1504 valid_int, bss_term_dur, dialog_token, url,
1505 nei_len ? nei_rep : NULL, nei_len,
1506 mbo_len ? mbo : NULL, mbo_len);
1507 #ifdef CONFIG_MBO
1508 fail:
1509 #endif /* CONFIG_MBO */
1510 os_free(url);
1511 return ret;
1512 }
1513
1514 #endif /* CONFIG_WNM_AP */
1515
1516
hostapd_ctrl_iface_acl_del_mac(struct mac_acl_entry ** acl,int * num,const char * txtaddr)1517 int hostapd_ctrl_iface_acl_del_mac(struct mac_acl_entry **acl, int *num,
1518 const char *txtaddr)
1519 {
1520 u8 addr[ETH_ALEN];
1521 struct vlan_description vlan_id;
1522
1523 if (!(*num))
1524 return 0;
1525
1526 if (hwaddr_aton(txtaddr, addr))
1527 return -1;
1528
1529 if (hostapd_maclist_found(*acl, *num, addr, &vlan_id))
1530 hostapd_remove_acl_mac(acl, num, addr);
1531
1532 return 0;
1533 }
1534
1535
hostapd_ctrl_iface_acl_clear_list(struct mac_acl_entry ** acl,int * num)1536 void hostapd_ctrl_iface_acl_clear_list(struct mac_acl_entry **acl,
1537 int *num)
1538 {
1539 while (*num)
1540 hostapd_remove_acl_mac(acl, num, (*acl)[0].addr);
1541 }
1542
1543
hostapd_ctrl_iface_acl_show_mac(struct mac_acl_entry * acl,int num,char * buf,size_t buflen)1544 int hostapd_ctrl_iface_acl_show_mac(struct mac_acl_entry *acl, int num,
1545 char *buf, size_t buflen)
1546 {
1547 int i = 0, len = 0, ret = 0;
1548
1549 if (!acl)
1550 return 0;
1551
1552 while (i < num) {
1553 ret = os_snprintf(buf + len, buflen - len,
1554 MACSTR " VLAN_ID=%d\n",
1555 MAC2STR(acl[i].addr),
1556 acl[i].vlan_id.untagged);
1557 if (ret < 0 || (size_t) ret >= buflen - len)
1558 return len;
1559 i++;
1560 len += ret;
1561 }
1562 return len;
1563 }
1564
1565
hostapd_ctrl_iface_acl_add_mac(struct mac_acl_entry ** acl,int * num,const char * cmd)1566 int hostapd_ctrl_iface_acl_add_mac(struct mac_acl_entry **acl, int *num,
1567 const char *cmd)
1568 {
1569 u8 addr[ETH_ALEN];
1570 struct vlan_description vlan_id;
1571 int ret = 0, vlanid = 0;
1572 const char *pos;
1573
1574 if (hwaddr_aton(cmd, addr))
1575 return -1;
1576
1577 pos = os_strstr(cmd, "VLAN_ID=");
1578 if (pos)
1579 vlanid = atoi(pos + 8);
1580
1581 if (!hostapd_maclist_found(*acl, *num, addr, &vlan_id)) {
1582 ret = hostapd_add_acl_maclist(acl, num, vlanid, addr);
1583 if (ret != -1 && *acl)
1584 qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
1585 }
1586
1587 return ret < 0 ? -1 : 0;
1588 }
1589
1590
hostapd_disassoc_accept_mac(struct hostapd_data * hapd)1591 int hostapd_disassoc_accept_mac(struct hostapd_data *hapd)
1592 {
1593 struct sta_info *sta;
1594 struct vlan_description vlan_id;
1595
1596 if (hapd->conf->macaddr_acl != DENY_UNLESS_ACCEPTED)
1597 return 0;
1598
1599 for (sta = hapd->sta_list; sta; sta = sta->next) {
1600 if (!hostapd_maclist_found(hapd->conf->accept_mac,
1601 hapd->conf->num_accept_mac,
1602 sta->addr, &vlan_id) ||
1603 (vlan_id.notempty &&
1604 vlan_compare(&vlan_id, sta->vlan_desc)))
1605 ap_sta_disconnect(hapd, sta, sta->addr,
1606 WLAN_REASON_UNSPECIFIED);
1607 }
1608
1609 return 0;
1610 }
1611
1612
hostapd_disassoc_deny_mac(struct hostapd_data * hapd)1613 int hostapd_disassoc_deny_mac(struct hostapd_data *hapd)
1614 {
1615 struct sta_info *sta;
1616 struct vlan_description vlan_id;
1617
1618 for (sta = hapd->sta_list; sta; sta = sta->next) {
1619 if (hostapd_maclist_found(hapd->conf->deny_mac,
1620 hapd->conf->num_deny_mac, sta->addr,
1621 &vlan_id) &&
1622 (!vlan_id.notempty ||
1623 !vlan_compare(&vlan_id, sta->vlan_desc)))
1624 ap_sta_disconnect(hapd, sta, sta->addr,
1625 WLAN_REASON_UNSPECIFIED);
1626 }
1627
1628 return 0;
1629 }
1630