1 /*
2 * Control interface for shared AP commands
3 * Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "common/ieee802_11_defs.h"
13 #include "common/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_msg_global_only(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 wpa_printf(MSG_DEBUG, "P2P: Disconnect STA " MACSTR_SEC
584 " with minor reason code %u (stype=%u (%s))",
585 MAC2STR_SEC(addr), minor_reason_code, stype,
586 fc2str(le_to_host16(mgmt->frame_control)));
587
588 os_memcpy(mgmt->da, addr, ETH_ALEN);
589 os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
590 os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
591 if (stype == WLAN_FC_STYPE_DEAUTH) {
592 mgmt->u.deauth.reason_code =
593 host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
594 pos = mgmt->u.deauth.variable;
595 } else {
596 mgmt->u.disassoc.reason_code =
597 host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
598 pos = mgmt->u.disassoc.variable;
599 }
600
601 *pos++ = WLAN_EID_VENDOR_SPECIFIC;
602 *pos++ = 4 + 3 + 1;
603 WPA_PUT_BE32(pos, P2P_IE_VENDOR_TYPE);
604 pos += 4;
605
606 *pos++ = P2P_ATTR_MINOR_REASON_CODE;
607 WPA_PUT_LE16(pos, 1);
608 pos += 2;
609 *pos++ = minor_reason_code;
610
611 ret = hostapd_drv_send_mlme(hapd, mgmt, pos - (u8 *) mgmt, 0, NULL, 0,
612 0);
613 os_free(mgmt);
614
615 return ret < 0 ? -1 : 0;
616 }
617 #endif /* CONFIG_P2P_MANAGER */
618
619
hostapd_ctrl_iface_deauthenticate(struct hostapd_data * hapd,const char * txtaddr)620 int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
621 const char *txtaddr)
622 {
623 u8 addr[ETH_ALEN];
624 struct sta_info *sta;
625 const char *pos;
626 u16 reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
627
628 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DEAUTHENTICATE %s",
629 txtaddr);
630
631 if (hwaddr_aton(txtaddr, addr))
632 return -1;
633
634 pos = os_strstr(txtaddr, " reason=");
635 if (pos)
636 reason = atoi(pos + 8);
637
638 pos = os_strstr(txtaddr, " test=");
639 if (pos) {
640 struct ieee80211_mgmt mgmt;
641 int encrypt;
642
643 pos += 6;
644 encrypt = atoi(pos);
645 os_memset(&mgmt, 0, sizeof(mgmt));
646 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
647 WLAN_FC_STYPE_DEAUTH);
648 os_memcpy(mgmt.da, addr, ETH_ALEN);
649 os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
650 os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
651 mgmt.u.deauth.reason_code = host_to_le16(reason);
652 if (hostapd_drv_send_mlme(hapd, (u8 *) &mgmt,
653 IEEE80211_HDRLEN +
654 sizeof(mgmt.u.deauth),
655 0, NULL, 0, !encrypt) < 0)
656 return -1;
657 return 0;
658 }
659
660 #ifdef CONFIG_P2P_MANAGER
661 pos = os_strstr(txtaddr, " p2p=");
662 if (pos) {
663 return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DEAUTH,
664 atoi(pos + 5), addr);
665 }
666 #endif /* CONFIG_P2P_MANAGER */
667
668 if (os_strstr(txtaddr, " tx=0"))
669 hostapd_drv_sta_remove(hapd, addr);
670 else
671 hostapd_drv_sta_deauth(hapd, addr, reason);
672 sta = ap_get_sta(hapd, addr);
673 if (sta)
674 ap_sta_deauthenticate(hapd, sta, reason);
675 else if (addr[0] == 0xff)
676 hostapd_free_stas(hapd);
677
678 return 0;
679 }
680
681
hostapd_ctrl_iface_disassociate(struct hostapd_data * hapd,const char * txtaddr)682 int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
683 const char *txtaddr)
684 {
685 u8 addr[ETH_ALEN];
686 struct sta_info *sta;
687 const char *pos;
688 u16 reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
689
690 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DISASSOCIATE %s",
691 txtaddr);
692
693 if (hwaddr_aton(txtaddr, addr))
694 return -1;
695
696 pos = os_strstr(txtaddr, " reason=");
697 if (pos)
698 reason = atoi(pos + 8);
699
700 pos = os_strstr(txtaddr, " test=");
701 if (pos) {
702 struct ieee80211_mgmt mgmt;
703 int encrypt;
704
705 pos += 6;
706 encrypt = atoi(pos);
707 os_memset(&mgmt, 0, sizeof(mgmt));
708 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
709 WLAN_FC_STYPE_DISASSOC);
710 os_memcpy(mgmt.da, addr, ETH_ALEN);
711 os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
712 os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
713 mgmt.u.disassoc.reason_code = host_to_le16(reason);
714 if (hostapd_drv_send_mlme(hapd, (u8 *) &mgmt,
715 IEEE80211_HDRLEN +
716 sizeof(mgmt.u.deauth),
717 0, NULL, 0, !encrypt) < 0)
718 return -1;
719 return 0;
720 }
721
722 #ifdef CONFIG_P2P_MANAGER
723 pos = os_strstr(txtaddr, " p2p=");
724 if (pos) {
725 return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DISASSOC,
726 atoi(pos + 5), addr);
727 }
728 #endif /* CONFIG_P2P_MANAGER */
729
730 if (os_strstr(txtaddr, " tx=0"))
731 hostapd_drv_sta_remove(hapd, addr);
732 else
733 hostapd_drv_sta_disassoc(hapd, addr, reason);
734 sta = ap_get_sta(hapd, addr);
735 if (sta)
736 ap_sta_disassociate(hapd, sta, reason);
737 else if (addr[0] == 0xff)
738 hostapd_free_stas(hapd);
739
740 return 0;
741 }
742
743
744 #ifdef CONFIG_TAXONOMY
hostapd_ctrl_iface_signature(struct hostapd_data * hapd,const char * txtaddr,char * buf,size_t buflen)745 int hostapd_ctrl_iface_signature(struct hostapd_data *hapd,
746 const char *txtaddr,
747 char *buf, size_t buflen)
748 {
749 u8 addr[ETH_ALEN];
750 struct sta_info *sta;
751
752 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE SIGNATURE %s", txtaddr);
753
754 if (hwaddr_aton(txtaddr, addr))
755 return -1;
756
757 sta = ap_get_sta(hapd, addr);
758 if (!sta)
759 return -1;
760
761 return retrieve_sta_taxonomy(hapd, sta, buf, buflen);
762 }
763 #endif /* CONFIG_TAXONOMY */
764
765
hostapd_ctrl_iface_poll_sta(struct hostapd_data * hapd,const char * txtaddr)766 int hostapd_ctrl_iface_poll_sta(struct hostapd_data *hapd,
767 const char *txtaddr)
768 {
769 u8 addr[ETH_ALEN];
770 struct sta_info *sta;
771
772 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE POLL_STA %s", txtaddr);
773
774 if (hwaddr_aton(txtaddr, addr))
775 return -1;
776
777 sta = ap_get_sta(hapd, addr);
778 if (!sta)
779 return -1;
780
781 hostapd_drv_poll_client(hapd, hapd->own_addr, addr,
782 sta->flags & WLAN_STA_WMM);
783 return 0;
784 }
785
786
hostapd_ctrl_iface_status(struct hostapd_data * hapd,char * buf,size_t buflen)787 int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
788 size_t buflen)
789 {
790 struct hostapd_iface *iface = hapd->iface;
791 struct hostapd_hw_modes *mode = iface->current_mode;
792 struct hostapd_config *iconf = hapd->iconf;
793 int len = 0, ret, j;
794 size_t i;
795
796 ret = os_snprintf(buf + len, buflen - len,
797 "state=%s\n"
798 "phy=%s\n"
799 "freq=%d\n"
800 "num_sta_non_erp=%d\n"
801 "num_sta_no_short_slot_time=%d\n"
802 "num_sta_no_short_preamble=%d\n"
803 "olbc=%d\n"
804 "num_sta_ht_no_gf=%d\n"
805 "num_sta_no_ht=%d\n"
806 "num_sta_ht_20_mhz=%d\n"
807 "num_sta_ht40_intolerant=%d\n"
808 "olbc_ht=%d\n"
809 "ht_op_mode=0x%x\n",
810 hostapd_state_text(iface->state),
811 iface->phy,
812 iface->freq,
813 iface->num_sta_non_erp,
814 iface->num_sta_no_short_slot_time,
815 iface->num_sta_no_short_preamble,
816 iface->olbc,
817 iface->num_sta_ht_no_gf,
818 iface->num_sta_no_ht,
819 iface->num_sta_ht_20mhz,
820 iface->num_sta_ht40_intolerant,
821 iface->olbc_ht,
822 iface->ht_op_mode);
823 if (os_snprintf_error(buflen - len, ret))
824 return len;
825 len += ret;
826
827 if (mode) {
828 ret = os_snprintf(buf + len, buflen - len, "hw_mode=%s\n",
829 hw_mode_str(mode->mode));
830 if (os_snprintf_error(buflen - len, ret))
831 return len;
832 len += ret;
833 }
834
835 if (iconf->country[0] && iconf->country[1]) {
836 ret = os_snprintf(buf + len, buflen - len,
837 "country_code=%c%c\ncountry3=0x%X\n",
838 iconf->country[0], iconf->country[1],
839 iconf->country[2]);
840 if (os_snprintf_error(buflen - len, ret))
841 return len;
842 len += ret;
843 }
844
845 if (!iface->cac_started || !iface->dfs_cac_ms) {
846 ret = os_snprintf(buf + len, buflen - len,
847 "cac_time_seconds=%d\n"
848 "cac_time_left_seconds=N/A\n",
849 iface->dfs_cac_ms / 1000);
850 } else {
851 /* CAC started and CAC time set - calculate remaining time */
852 struct os_reltime now;
853 long left_time;
854
855 os_reltime_age(&iface->dfs_cac_start, &now);
856 left_time = (long) iface->dfs_cac_ms / 1000 - now.sec;
857 ret = os_snprintf(buf + len, buflen - len,
858 "cac_time_seconds=%u\n"
859 "cac_time_left_seconds=%lu\n",
860 iface->dfs_cac_ms / 1000,
861 left_time > 0 ? left_time : 0);
862 }
863 if (os_snprintf_error(buflen - len, ret))
864 return len;
865 len += ret;
866
867 ret = os_snprintf(buf + len, buflen - len,
868 "channel=%u\n"
869 "edmg_enable=%d\n"
870 "edmg_channel=%d\n"
871 "secondary_channel=%d\n"
872 "ieee80211n=%d\n"
873 "ieee80211ac=%d\n"
874 "ieee80211ax=%d\n"
875 "ieee80211be=%d\n"
876 "beacon_int=%u\n"
877 "dtim_period=%d\n",
878 iface->conf->channel,
879 iface->conf->enable_edmg,
880 iface->conf->edmg_channel,
881 iface->conf->ieee80211n && !hapd->conf->disable_11n ?
882 iface->conf->secondary_channel : 0,
883 iface->conf->ieee80211n && !hapd->conf->disable_11n,
884 iface->conf->ieee80211ac &&
885 !hapd->conf->disable_11ac,
886 iface->conf->ieee80211ax &&
887 !hapd->conf->disable_11ax,
888 iface->conf->ieee80211be &&
889 !hapd->conf->disable_11be,
890 iface->conf->beacon_int,
891 hapd->conf->dtim_period);
892 if (os_snprintf_error(buflen - len, ret))
893 return len;
894 len += ret;
895
896 #ifdef CONFIG_IEEE80211BE
897 if (iface->conf->ieee80211be && !hapd->conf->disable_11be) {
898 ret = os_snprintf(buf + len, buflen - len,
899 "eht_oper_chwidth=%d\n"
900 "eht_oper_centr_freq_seg0_idx=%d\n",
901 iface->conf->eht_oper_chwidth,
902 iface->conf->eht_oper_centr_freq_seg0_idx);
903 if (os_snprintf_error(buflen - len, ret))
904 return len;
905 len += ret;
906
907 if (is_6ghz_op_class(iface->conf->op_class) &&
908 hostapd_get_oper_chwidth(iface->conf) ==
909 CONF_OPER_CHWIDTH_320MHZ) {
910 ret = os_snprintf(buf + len, buflen - len,
911 "eht_bw320_offset=%d\n",
912 iface->conf->eht_bw320_offset);
913 if (os_snprintf_error(buflen - len, ret))
914 return len;
915 len += ret;
916 }
917
918 if (hapd->conf->mld_ap) {
919 struct hostapd_data *link_bss;
920
921 ret = os_snprintf(buf + len, buflen - len,
922 "num_links=%d\n",
923 hapd->mld->num_links);
924 if (os_snprintf_error(buflen - len, ret))
925 return len;
926 len += ret;
927
928 /* Self BSS */
929 ret = os_snprintf(buf + len, buflen - len,
930 "link_id=%d\n"
931 "link_addr=" MACSTR "\n",
932 hapd->mld_link_id,
933 MAC2STR(hapd->own_addr));
934 if (os_snprintf_error(buflen - len, ret))
935 return len;
936 len += ret;
937
938 /* Partner BSSs */
939 for_each_mld_link(link_bss, hapd) {
940 if (link_bss == hapd)
941 continue;
942
943 ret = os_snprintf(buf + len, buflen - len,
944 "partner_link[%d]=" MACSTR
945 "\n",
946 link_bss->mld_link_id,
947 MAC2STR(link_bss->own_addr));
948 if (os_snprintf_error(buflen - len, ret))
949 return len;
950 len += ret;
951 }
952 }
953 }
954 #endif /* CONFIG_IEEE80211BE */
955
956 #ifdef CONFIG_IEEE80211AX
957 if (iface->conf->ieee80211ax && !hapd->conf->disable_11ax) {
958 ret = os_snprintf(buf + len, buflen - len,
959 "he_oper_chwidth=%d\n"
960 "he_oper_centr_freq_seg0_idx=%d\n"
961 "he_oper_centr_freq_seg1_idx=%d\n",
962 iface->conf->he_oper_chwidth,
963 iface->conf->he_oper_centr_freq_seg0_idx,
964 iface->conf->he_oper_centr_freq_seg1_idx);
965 if (os_snprintf_error(buflen - len, ret))
966 return len;
967 len += ret;
968
969 if (!iconf->he_op.he_bss_color_disabled &&
970 iconf->he_op.he_bss_color) {
971 ret = os_snprintf(buf + len, buflen - len,
972 "he_bss_color=%d\n",
973 iconf->he_op.he_bss_color);
974 if (os_snprintf_error(buflen - len, ret))
975 return len;
976 len += ret;
977 }
978 }
979 #endif /* CONFIG_IEEE80211AX */
980
981 if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac) {
982 ret = os_snprintf(buf + len, buflen - len,
983 "vht_oper_chwidth=%d\n"
984 "vht_oper_centr_freq_seg0_idx=%d\n"
985 "vht_oper_centr_freq_seg1_idx=%d\n"
986 "vht_caps_info=%08x\n",
987 iface->conf->vht_oper_chwidth,
988 iface->conf->vht_oper_centr_freq_seg0_idx,
989 iface->conf->vht_oper_centr_freq_seg1_idx,
990 iface->conf->vht_capab);
991 if (os_snprintf_error(buflen - len, ret))
992 return len;
993 len += ret;
994 }
995
996 if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac && mode) {
997 u16 rxmap = WPA_GET_LE16(&mode->vht_mcs_set[0]);
998 u16 txmap = WPA_GET_LE16(&mode->vht_mcs_set[4]);
999
1000 ret = os_snprintf(buf + len, buflen - len,
1001 "rx_vht_mcs_map=%04x\n"
1002 "tx_vht_mcs_map=%04x\n",
1003 rxmap, txmap);
1004 if (os_snprintf_error(buflen - len, ret))
1005 return len;
1006 len += ret;
1007 }
1008
1009 if (iface->conf->ieee80211n && !hapd->conf->disable_11n) {
1010 ret = os_snprintf(buf + len, buflen - len,
1011 "ht_caps_info=%04x\n",
1012 hapd->iconf->ht_capab);
1013 if (os_snprintf_error(buflen - len, ret))
1014 return len;
1015 len += ret;
1016 }
1017
1018 if (iface->conf->ieee80211n && !hapd->conf->disable_11n && mode) {
1019 len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
1020 mode->mcs_set);
1021 }
1022
1023 if (iface->current_rates && iface->num_rates) {
1024 ret = os_snprintf(buf + len, buflen - len, "supported_rates=");
1025 if (os_snprintf_error(buflen - len, ret))
1026 return len;
1027 len += ret;
1028
1029 for (j = 0; j < iface->num_rates; j++) {
1030 ret = os_snprintf(buf + len, buflen - len, "%s%02x",
1031 j > 0 ? " " : "",
1032 iface->current_rates[j].rate / 5);
1033 if (os_snprintf_error(buflen - len, ret))
1034 return len;
1035 len += ret;
1036 }
1037 ret = os_snprintf(buf + len, buflen - len, "\n");
1038 if (os_snprintf_error(buflen - len, ret))
1039 return len;
1040 len += ret;
1041 }
1042
1043 for (j = 0; mode && j < mode->num_channels; j++) {
1044 if (mode->channels[j].freq == iface->freq) {
1045 ret = os_snprintf(buf + len, buflen - len,
1046 "max_txpower=%u\n",
1047 mode->channels[j].max_tx_power);
1048 if (os_snprintf_error(buflen - len, ret))
1049 return len;
1050 len += ret;
1051 break;
1052 }
1053 }
1054
1055 for (i = 0; i < iface->num_bss; i++) {
1056 struct hostapd_data *bss = iface->bss[i];
1057 ret = os_snprintf(buf + len, buflen - len,
1058 "bss[%d]=%s\n"
1059 "bssid[%d]=" MACSTR "\n"
1060 "ssid[%d]=%s\n"
1061 "num_sta[%d]=%d\n",
1062 (int) i, bss->conf->iface,
1063 (int) i, MAC2STR(bss->own_addr),
1064 (int) i,
1065 wpa_ssid_txt(bss->conf->ssid.ssid,
1066 bss->conf->ssid.ssid_len),
1067 (int) i, bss->num_sta);
1068 if (os_snprintf_error(buflen - len, ret))
1069 return len;
1070 len += ret;
1071
1072 #ifdef CONFIG_IEEE80211BE
1073 if (bss->conf->mld_ap) {
1074 ret = os_snprintf(buf + len, buflen - len,
1075 "mld_addr[%d]=" MACSTR "\n"
1076 "mld_id[%d]=%d\n"
1077 "mld_link_id[%d]=%d\n",
1078 (int) i, MAC2STR(bss->mld->mld_addr),
1079 (int) i, hostapd_get_mld_id(bss),
1080 (int) i, bss->mld_link_id);
1081 if (os_snprintf_error(buflen - len, ret))
1082 return len;
1083 len += ret;
1084 }
1085 #endif /* CONFIG_IEEE80211BE */
1086 }
1087
1088 if (hapd->conf->chan_util_avg_period) {
1089 ret = os_snprintf(buf + len, buflen - len,
1090 "chan_util_avg=%u\n",
1091 iface->chan_util_average);
1092 if (os_snprintf_error(buflen - len, ret))
1093 return len;
1094 len += ret;
1095 }
1096
1097 return len;
1098 }
1099
1100
hostapd_parse_csa_settings(const char * pos,struct csa_settings * settings)1101 int hostapd_parse_csa_settings(const char *pos,
1102 struct csa_settings *settings)
1103 {
1104 char *end;
1105
1106 os_memset(settings, 0, sizeof(*settings));
1107 settings->cs_count = strtol(pos, &end, 10);
1108 if (pos == end) {
1109 wpa_printf(MSG_ERROR, "chanswitch: invalid cs_count provided");
1110 return -1;
1111 }
1112
1113 settings->freq_params.freq = atoi(end);
1114 if (settings->freq_params.freq == 0) {
1115 wpa_printf(MSG_ERROR, "chanswitch: invalid freq provided");
1116 return -1;
1117 }
1118
1119 #define SET_CSA_SETTING(str) \
1120 do { \
1121 const char *pos2 = os_strstr(pos, " " #str "="); \
1122 if (pos2) { \
1123 pos2 += sizeof(" " #str "=") - 1; \
1124 settings->freq_params.str = atoi(pos2); \
1125 } \
1126 } while (0)
1127
1128 #define SET_CSA_SETTING_EXT(str) \
1129 do { \
1130 const char *pos2 = os_strstr(pos, " " #str "="); \
1131 if (pos2) { \
1132 pos2 += sizeof(" " #str "=") - 1; \
1133 settings->str = atoi(pos2); \
1134 } \
1135 } while (0)
1136
1137 SET_CSA_SETTING(center_freq1);
1138 SET_CSA_SETTING(center_freq2);
1139 SET_CSA_SETTING(bandwidth);
1140 SET_CSA_SETTING(sec_channel_offset);
1141 SET_CSA_SETTING_EXT(punct_bitmap);
1142 settings->freq_params.ht_enabled = !!os_strstr(pos, " ht");
1143 settings->freq_params.vht_enabled = !!os_strstr(pos, " vht");
1144 settings->freq_params.he_enabled = !!os_strstr(pos, " he");
1145 settings->freq_params.eht_enabled = !!os_strstr(pos, " eht");
1146 settings->block_tx = !!os_strstr(pos, " blocktx");
1147 #undef SET_CSA_SETTING
1148 #undef SET_CSA_SETTING_EXT
1149
1150 return 0;
1151 }
1152
1153
hostapd_ctrl_iface_stop_ap(struct hostapd_data * hapd)1154 int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd)
1155 {
1156 return hostapd_drv_stop_ap(hapd);
1157 }
1158
1159
hostapd_ctrl_iface_pmksa_list(struct hostapd_data * hapd,char * buf,size_t len)1160 int hostapd_ctrl_iface_pmksa_list(struct hostapd_data *hapd, char *buf,
1161 size_t len)
1162 {
1163 return wpa_auth_pmksa_list(hapd->wpa_auth, buf, len);
1164 }
1165
1166
hostapd_ctrl_iface_pmksa_flush(struct hostapd_data * hapd)1167 void hostapd_ctrl_iface_pmksa_flush(struct hostapd_data *hapd)
1168 {
1169 wpa_auth_pmksa_flush(hapd->wpa_auth);
1170 }
1171
1172
hostapd_ctrl_iface_pmksa_add(struct hostapd_data * hapd,char * cmd)1173 int hostapd_ctrl_iface_pmksa_add(struct hostapd_data *hapd, char *cmd)
1174 {
1175 u8 spa[ETH_ALEN];
1176 u8 pmkid[PMKID_LEN];
1177 u8 pmk[PMK_LEN_MAX];
1178 size_t pmk_len;
1179 char *pos, *pos2;
1180 int akmp = 0, expiration = 0;
1181
1182 /*
1183 * Entry format:
1184 * <STA addr> <PMKID> <PMK> <expiration in seconds> <akmp>
1185 */
1186
1187 if (hwaddr_aton(cmd, spa))
1188 return -1;
1189
1190 pos = os_strchr(cmd, ' ');
1191 if (!pos)
1192 return -1;
1193 pos++;
1194
1195 if (hexstr2bin(pos, pmkid, PMKID_LEN) < 0)
1196 return -1;
1197
1198 pos = os_strchr(pos, ' ');
1199 if (!pos)
1200 return -1;
1201 pos++;
1202
1203 pos2 = os_strchr(pos, ' ');
1204 if (!pos2)
1205 return -1;
1206 pmk_len = (pos2 - pos) / 2;
1207 if (pmk_len < PMK_LEN || pmk_len > PMK_LEN_MAX ||
1208 hexstr2bin(pos, pmk, pmk_len) < 0)
1209 return -1;
1210
1211 pos = pos2 + 1;
1212
1213 if (sscanf(pos, "%d %d", &expiration, &akmp) != 2)
1214 return -1;
1215
1216 return wpa_auth_pmksa_add2(hapd->wpa_auth, spa, pmk, pmk_len,
1217 pmkid, expiration, akmp, NULL);
1218 }
1219
1220
1221 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
1222 #ifdef CONFIG_MESH
1223
hostapd_ctrl_iface_pmksa_list_mesh(struct hostapd_data * hapd,const u8 * addr,char * buf,size_t len)1224 int hostapd_ctrl_iface_pmksa_list_mesh(struct hostapd_data *hapd,
1225 const u8 *addr, char *buf, size_t len)
1226 {
1227 return wpa_auth_pmksa_list_mesh(hapd->wpa_auth, addr, buf, len);
1228 }
1229
1230
hostapd_ctrl_iface_pmksa_create_entry(const u8 * aa,char * cmd)1231 void * hostapd_ctrl_iface_pmksa_create_entry(const u8 *aa, char *cmd)
1232 {
1233 u8 spa[ETH_ALEN];
1234 u8 pmkid[PMKID_LEN];
1235 u8 pmk[PMK_LEN_MAX];
1236 char *pos;
1237 int expiration;
1238
1239 /*
1240 * Entry format:
1241 * <BSSID> <PMKID> <PMK> <expiration in seconds>
1242 */
1243
1244 if (hwaddr_aton(cmd, spa))
1245 return NULL;
1246
1247 pos = os_strchr(cmd, ' ');
1248 if (!pos)
1249 return NULL;
1250 pos++;
1251
1252 if (hexstr2bin(pos, pmkid, PMKID_LEN) < 0)
1253 return NULL;
1254
1255 pos = os_strchr(pos, ' ');
1256 if (!pos)
1257 return NULL;
1258 pos++;
1259
1260 if (hexstr2bin(pos, pmk, PMK_LEN) < 0)
1261 return NULL;
1262
1263 pos = os_strchr(pos, ' ');
1264 if (!pos)
1265 return NULL;
1266 pos++;
1267
1268 if (sscanf(pos, "%d", &expiration) != 1)
1269 return NULL;
1270
1271 return wpa_auth_pmksa_create_entry(aa, spa, pmk, PMK_LEN,
1272 WPA_KEY_MGMT_SAE, pmkid, expiration);
1273 }
1274
1275 #endif /* CONFIG_MESH */
1276 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
1277
1278
1279 #ifdef CONFIG_WNM_AP
1280
hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data * hapd,const char * cmd)1281 int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
1282 const char *cmd)
1283 {
1284 u8 addr[ETH_ALEN];
1285 int disassoc_timer;
1286 struct sta_info *sta;
1287
1288 if (hwaddr_aton(cmd, addr))
1289 return -1;
1290 if (cmd[17] != ' ')
1291 return -1;
1292 disassoc_timer = atoi(cmd + 17);
1293
1294 sta = ap_get_sta(hapd, addr);
1295 if (sta == NULL) {
1296 wpa_printf(MSG_DEBUG, "Station " MACSTR_SEC
1297 " not found for disassociation imminent message",
1298 MAC2STR_SEC(addr));
1299 return -1;
1300 }
1301
1302 return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
1303 }
1304
1305
hostapd_ctrl_iface_ess_disassoc(struct hostapd_data * hapd,const char * cmd)1306 int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd,
1307 const char *cmd)
1308 {
1309 u8 addr[ETH_ALEN];
1310 const char *url, *timerstr;
1311 int disassoc_timer;
1312 struct sta_info *sta;
1313
1314 if (hwaddr_aton(cmd, addr))
1315 return -1;
1316
1317 sta = ap_get_sta(hapd, addr);
1318 if (sta == NULL) {
1319 wpa_printf(MSG_DEBUG, "Station " MACSTR_SEC
1320 " not found for ESS disassociation imminent message",
1321 MAC2STR_SEC(addr));
1322 return -1;
1323 }
1324
1325 timerstr = cmd + 17;
1326 if (*timerstr != ' ')
1327 return -1;
1328 timerstr++;
1329 disassoc_timer = atoi(timerstr);
1330 if (disassoc_timer < 0 || disassoc_timer > 65535)
1331 return -1;
1332
1333 url = os_strchr(timerstr, ' ');
1334 if (url == NULL)
1335 return -1;
1336 url++;
1337
1338 return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer);
1339 }
1340
1341
hostapd_ctrl_iface_bss_tm_req(struct hostapd_data * hapd,const char * cmd)1342 int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd,
1343 const char *cmd)
1344 {
1345 u8 addr[ETH_ALEN];
1346 const char *pos, *end;
1347 int disassoc_timer = 0;
1348 struct sta_info *sta;
1349 u8 req_mode = 0, valid_int = 0x01, dialog_token = 0x01;
1350 u8 bss_term_dur[12];
1351 char *url = NULL;
1352 int ret;
1353 u8 nei_rep[1000];
1354 int nei_len;
1355 u8 mbo[10];
1356 size_t mbo_len = 0;
1357
1358 if (hwaddr_aton(cmd, addr)) {
1359 wpa_printf(MSG_DEBUG, "Invalid STA MAC address");
1360 return -1;
1361 }
1362
1363 sta = ap_get_sta(hapd, addr);
1364 if (sta == NULL) {
1365 wpa_printf(MSG_DEBUG, "Station " MACSTR_SEC
1366 " not found for BSS TM Request message",
1367 MAC2STR_SEC(addr));
1368 return -1;
1369 }
1370
1371 pos = os_strstr(cmd, " disassoc_timer=");
1372 if (pos) {
1373 pos += 16;
1374 disassoc_timer = atoi(pos);
1375 if (disassoc_timer < 0 || disassoc_timer > 65535) {
1376 wpa_printf(MSG_DEBUG, "Invalid disassoc_timer");
1377 return -1;
1378 }
1379 }
1380
1381 pos = os_strstr(cmd, " valid_int=");
1382 if (pos) {
1383 pos += 11;
1384 valid_int = atoi(pos);
1385 }
1386
1387 pos = os_strstr(cmd, " dialog_token=");
1388 if (pos) {
1389 pos += 14;
1390 dialog_token = atoi(pos);
1391 }
1392
1393 pos = os_strstr(cmd, " bss_term=");
1394 if (pos) {
1395 pos += 10;
1396 req_mode |= WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED;
1397 /* TODO: TSF configurable/learnable */
1398 bss_term_dur[0] = 4; /* Subelement ID */
1399 bss_term_dur[1] = 10; /* Length */
1400 os_memset(&bss_term_dur[2], 0, 8);
1401 end = os_strchr(pos, ',');
1402 if (end == NULL) {
1403 wpa_printf(MSG_DEBUG, "Invalid bss_term data");
1404 return -1;
1405 }
1406 end++;
1407 WPA_PUT_LE16(&bss_term_dur[10], atoi(end));
1408 }
1409
1410 nei_len = ieee802_11_parse_candidate_list(cmd, nei_rep,
1411 sizeof(nei_rep));
1412 if (nei_len < 0)
1413 return -1;
1414
1415 pos = os_strstr(cmd, " url=");
1416 if (pos) {
1417 size_t len;
1418 pos += 5;
1419 end = os_strchr(pos, ' ');
1420 if (end)
1421 len = end - pos;
1422 else
1423 len = os_strlen(pos);
1424 url = os_malloc(len + 1);
1425 if (url == NULL)
1426 return -1;
1427 os_memcpy(url, pos, len);
1428 url[len] = '\0';
1429 req_mode |= WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT;
1430 }
1431
1432 if (os_strstr(cmd, " pref=1"))
1433 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1434 if (os_strstr(cmd, " abridged=1"))
1435 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1436 if (os_strstr(cmd, " disassoc_imminent=1"))
1437 req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1438 if (os_strstr(cmd, " link_removal_imminent=1"))
1439 req_mode |= WNM_BSS_TM_REQ_LINK_REMOVAL_IMMINENT;
1440
1441 #ifdef CONFIG_MBO
1442 pos = os_strstr(cmd, "mbo=");
1443 if (pos) {
1444 unsigned int mbo_reason, cell_pref, reassoc_delay;
1445 u8 *mbo_pos = mbo;
1446
1447 ret = sscanf(pos, "mbo=%u:%u:%u", &mbo_reason,
1448 &reassoc_delay, &cell_pref);
1449 if (ret != 3) {
1450 wpa_printf(MSG_DEBUG,
1451 "MBO requires three arguments: mbo=<reason>:<reassoc_delay>:<cell_pref>");
1452 ret = -1;
1453 goto fail;
1454 }
1455
1456 if (mbo_reason > MBO_TRANSITION_REASON_PREMIUM_AP) {
1457 wpa_printf(MSG_DEBUG,
1458 "Invalid MBO transition reason code %u",
1459 mbo_reason);
1460 ret = -1;
1461 goto fail;
1462 }
1463
1464 /* Valid values for Cellular preference are: 0, 1, 255 */
1465 if (cell_pref != 0 && cell_pref != 1 && cell_pref != 255) {
1466 wpa_printf(MSG_DEBUG,
1467 "Invalid MBO cellular capability %u",
1468 cell_pref);
1469 ret = -1;
1470 goto fail;
1471 }
1472
1473 if (reassoc_delay > 65535 ||
1474 (reassoc_delay &&
1475 !(req_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT))) {
1476 wpa_printf(MSG_DEBUG,
1477 "MBO: Assoc retry delay is only valid in disassoc imminent mode");
1478 ret = -1;
1479 goto fail;
1480 }
1481
1482 *mbo_pos++ = MBO_ATTR_ID_TRANSITION_REASON;
1483 *mbo_pos++ = 1;
1484 *mbo_pos++ = mbo_reason;
1485 *mbo_pos++ = MBO_ATTR_ID_CELL_DATA_PREF;
1486 *mbo_pos++ = 1;
1487 *mbo_pos++ = cell_pref;
1488
1489 if (reassoc_delay) {
1490 *mbo_pos++ = MBO_ATTR_ID_ASSOC_RETRY_DELAY;
1491 *mbo_pos++ = 2;
1492 WPA_PUT_LE16(mbo_pos, reassoc_delay);
1493 mbo_pos += 2;
1494 }
1495
1496 mbo_len = mbo_pos - mbo;
1497 }
1498 #endif /* CONFIG_MBO */
1499
1500 ret = wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer,
1501 valid_int, bss_term_dur, dialog_token, url,
1502 nei_len ? nei_rep : NULL, nei_len,
1503 mbo_len ? mbo : NULL, mbo_len);
1504 #ifdef CONFIG_MBO
1505 fail:
1506 #endif /* CONFIG_MBO */
1507 os_free(url);
1508 return ret;
1509 }
1510
1511 #endif /* CONFIG_WNM_AP */
1512
1513
hostapd_ctrl_iface_acl_del_mac(struct mac_acl_entry ** acl,int * num,const char * txtaddr)1514 int hostapd_ctrl_iface_acl_del_mac(struct mac_acl_entry **acl, int *num,
1515 const char *txtaddr)
1516 {
1517 u8 addr[ETH_ALEN];
1518 struct vlan_description vlan_id;
1519
1520 if (!(*num))
1521 return 0;
1522
1523 if (hwaddr_aton(txtaddr, addr))
1524 return -1;
1525
1526 if (hostapd_maclist_found(*acl, *num, addr, &vlan_id))
1527 hostapd_remove_acl_mac(acl, num, addr);
1528
1529 return 0;
1530 }
1531
1532
hostapd_ctrl_iface_acl_clear_list(struct mac_acl_entry ** acl,int * num)1533 void hostapd_ctrl_iface_acl_clear_list(struct mac_acl_entry **acl,
1534 int *num)
1535 {
1536 while (*num)
1537 hostapd_remove_acl_mac(acl, num, (*acl)[0].addr);
1538 }
1539
1540
hostapd_ctrl_iface_acl_show_mac(struct mac_acl_entry * acl,int num,char * buf,size_t buflen)1541 int hostapd_ctrl_iface_acl_show_mac(struct mac_acl_entry *acl, int num,
1542 char *buf, size_t buflen)
1543 {
1544 int i = 0, len = 0, ret = 0;
1545
1546 if (!acl)
1547 return 0;
1548
1549 while (i < num) {
1550 ret = os_snprintf(buf + len, buflen - len,
1551 MACSTR " VLAN_ID=%d\n",
1552 MAC2STR(acl[i].addr),
1553 acl[i].vlan_id.untagged);
1554 if (ret < 0 || (size_t) ret >= buflen - len)
1555 return len;
1556 i++;
1557 len += ret;
1558 }
1559 return len;
1560 }
1561
1562
hostapd_ctrl_iface_acl_add_mac(struct mac_acl_entry ** acl,int * num,const char * cmd)1563 int hostapd_ctrl_iface_acl_add_mac(struct mac_acl_entry **acl, int *num,
1564 const char *cmd)
1565 {
1566 u8 addr[ETH_ALEN];
1567 struct vlan_description vlan_id;
1568 int ret = 0, vlanid = 0;
1569 const char *pos;
1570
1571 if (hwaddr_aton(cmd, addr))
1572 return -1;
1573
1574 pos = os_strstr(cmd, "VLAN_ID=");
1575 if (pos)
1576 vlanid = atoi(pos + 8);
1577
1578 if (!hostapd_maclist_found(*acl, *num, addr, &vlan_id)) {
1579 ret = hostapd_add_acl_maclist(acl, num, vlanid, addr);
1580 if (ret != -1 && *acl)
1581 qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
1582 }
1583
1584 return ret < 0 ? -1 : 0;
1585 }
1586
1587
hostapd_disassoc_accept_mac(struct hostapd_data * hapd)1588 int hostapd_disassoc_accept_mac(struct hostapd_data *hapd)
1589 {
1590 struct sta_info *sta;
1591 struct vlan_description vlan_id;
1592
1593 if (hapd->conf->macaddr_acl != DENY_UNLESS_ACCEPTED)
1594 return 0;
1595
1596 for (sta = hapd->sta_list; sta; sta = sta->next) {
1597 if (!hostapd_maclist_found(hapd->conf->accept_mac,
1598 hapd->conf->num_accept_mac,
1599 sta->addr, &vlan_id) ||
1600 (vlan_id.notempty &&
1601 vlan_compare(&vlan_id, sta->vlan_desc)))
1602 ap_sta_disconnect(hapd, sta, sta->addr,
1603 WLAN_REASON_UNSPECIFIED);
1604 }
1605
1606 return 0;
1607 }
1608
1609
hostapd_disassoc_deny_mac(struct hostapd_data * hapd)1610 int hostapd_disassoc_deny_mac(struct hostapd_data *hapd)
1611 {
1612 struct sta_info *sta;
1613 struct vlan_description vlan_id;
1614
1615 for (sta = hapd->sta_list; sta; sta = sta->next) {
1616 if (hostapd_maclist_found(hapd->conf->deny_mac,
1617 hapd->conf->num_deny_mac, sta->addr,
1618 &vlan_id) &&
1619 (!vlan_id.notempty ||
1620 !vlan_compare(&vlan_id, sta->vlan_desc)))
1621 ap_sta_disconnect(hapd, sta, sta->addr,
1622 WLAN_REASON_UNSPECIFIED);
1623 }
1624
1625 return 0;
1626 }
1627