1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2014, 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 "utils/eloop.h"
13 #include "utils/uuid.h"
14 #include "common/version.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/ieee802_11_common.h"
17 #include "common/wpa_ctrl.h"
18 #include "eap_peer/eap.h"
19 #include "eapol_supp/eapol_supp_sm.h"
20 #include "rsn_supp/wpa.h"
21 #include "rsn_supp/preauth.h"
22 #include "rsn_supp/pmksa_cache.h"
23 #include "l2_packet/l2_packet.h"
24 #include "wps/wps.h"
25 #include "config.h"
26 #include "wpa_supplicant_i.h"
27 #include "driver_i.h"
28 #include "wps_supplicant.h"
29 #include "ibss_rsn.h"
30 #include "ap.h"
31 #include "p2p_supplicant.h"
32 #include "p2p/p2p.h"
33 #include "hs20_supplicant.h"
34 #include "wifi_display.h"
35 #include "notify.h"
36 #include "bss.h"
37 #include "scan.h"
38 #include "ctrl_iface.h"
39 #include "interworking.h"
40 #include "blacklist.h"
41 #include "autoscan.h"
42 #include "wnm_sta.h"
43 
44 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
45 					    char *buf, int len);
46 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
47 						  char *buf, int len);
48 
49 
50 static int pno_start(struct wpa_supplicant *wpa_s)
51 {
52 	int ret, interval;
53 	size_t i, num_ssid;
54 	struct wpa_ssid *ssid;
55 	struct wpa_driver_scan_params params;
56 
57 	if (wpa_s->pno || wpa_s->pno_sched_pending)
58 		return 0;
59 
60 	if ((wpa_s->wpa_state > WPA_SCANNING) &&
61 	    (wpa_s->wpa_state <= WPA_COMPLETED)) {
62 		wpa_printf(MSG_ERROR, "PNO: In assoc process");
63 		return -EAGAIN;
64 	}
65 
66 	if (wpa_s->wpa_state == WPA_SCANNING) {
67 		wpa_supplicant_cancel_scan(wpa_s);
68 		if (wpa_s->sched_scanning) {
69 			wpa_printf(MSG_DEBUG, "Schedule PNO on completion of "
70 				   "ongoing sched scan");
71 			wpa_supplicant_cancel_sched_scan(wpa_s);
72 			wpa_s->pno_sched_pending = 1;
73 			return 0;
74 		}
75 	}
76 
77 	os_memset(&params, 0, sizeof(params));
78 
79 	num_ssid = 0;
80 	ssid = wpa_s->conf->ssid;
81 	while (ssid) {
82 		if (!wpas_network_disabled(wpa_s, ssid))
83 			num_ssid++;
84 		ssid = ssid->next;
85 	}
86 	if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
87 		wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
88 			   "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
89 		num_ssid = WPAS_MAX_SCAN_SSIDS;
90 	}
91 
92 	if (num_ssid == 0) {
93 		wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
94 		return -1;
95 	}
96 
97 	params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
98 					num_ssid);
99 	if (params.filter_ssids == NULL)
100 		return -1;
101 	i = 0;
102 	ssid = wpa_s->conf->ssid;
103 	while (ssid) {
104 		if (!wpas_network_disabled(wpa_s, ssid)) {
105 			params.ssids[i].ssid = ssid->ssid;
106 			params.ssids[i].ssid_len = ssid->ssid_len;
107 			params.num_ssids++;
108 			os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
109 				  ssid->ssid_len);
110 			params.filter_ssids[i].ssid_len = ssid->ssid_len;
111 			params.num_filter_ssids++;
112 			i++;
113 			if (i == num_ssid)
114 				break;
115 		}
116 		ssid = ssid->next;
117 	}
118 
119 	if (wpa_s->conf->filter_rssi)
120 		params.filter_rssi = wpa_s->conf->filter_rssi;
121 
122 	interval = wpa_s->conf->sched_scan_interval ?
123 		wpa_s->conf->sched_scan_interval : 10;
124 
125 	ret = wpa_supplicant_start_sched_scan(wpa_s, &params, interval);
126 	os_free(params.filter_ssids);
127 	if (ret == 0)
128 		wpa_s->pno = 1;
129 	return ret;
130 }
131 
132 
133 static int pno_stop(struct wpa_supplicant *wpa_s)
134 {
135 	int ret = 0;
136 
137 	if (wpa_s->pno || wpa_s->sched_scanning) {
138 		wpa_s->pno = 0;
139 		ret = wpa_supplicant_stop_sched_scan(wpa_s);
140 	}
141 
142 	wpa_s->pno_sched_pending = 0;
143 
144 	if (wpa_s->wpa_state == WPA_SCANNING)
145 		wpa_supplicant_req_scan(wpa_s, 0, 0);
146 
147 	return ret;
148 }
149 
150 
151 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
152 {
153 	char *pos;
154 	u8 addr[ETH_ALEN], *filter = NULL, *n;
155 	size_t count = 0;
156 
157 	pos = val;
158 	while (pos) {
159 		if (*pos == '\0')
160 			break;
161 		if (hwaddr_aton(pos, addr)) {
162 			os_free(filter);
163 			return -1;
164 		}
165 		n = os_realloc_array(filter, count + 1, ETH_ALEN);
166 		if (n == NULL) {
167 			os_free(filter);
168 			return -1;
169 		}
170 		filter = n;
171 		os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
172 		count++;
173 
174 		pos = os_strchr(pos, ' ');
175 		if (pos)
176 			pos++;
177 	}
178 
179 	wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
180 	os_free(wpa_s->bssid_filter);
181 	wpa_s->bssid_filter = filter;
182 	wpa_s->bssid_filter_count = count;
183 
184 	return 0;
185 }
186 
187 
188 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
189 {
190 	char *pos;
191 	u8 addr[ETH_ALEN], *bssid = NULL, *n;
192 	struct wpa_ssid_value *ssid = NULL, *ns;
193 	size_t count = 0, ssid_count = 0;
194 	struct wpa_ssid *c;
195 
196 	/*
197 	 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
198 	 * SSID_SPEC ::= ssid <SSID_HEX>
199 	 * BSSID_SPEC ::= bssid <BSSID_HEX>
200 	 */
201 
202 	pos = val;
203 	while (pos) {
204 		if (*pos == '\0')
205 			break;
206 		if (os_strncmp(pos, "bssid ", 6) == 0) {
207 			int res;
208 			pos += 6;
209 			res = hwaddr_aton2(pos, addr);
210 			if (res < 0) {
211 				os_free(ssid);
212 				os_free(bssid);
213 				wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
214 					   "BSSID value '%s'", pos);
215 				return -1;
216 			}
217 			pos += res;
218 			n = os_realloc_array(bssid, count + 1, ETH_ALEN);
219 			if (n == NULL) {
220 				os_free(ssid);
221 				os_free(bssid);
222 				return -1;
223 			}
224 			bssid = n;
225 			os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
226 			count++;
227 		} else if (os_strncmp(pos, "ssid ", 5) == 0) {
228 			char *end;
229 			pos += 5;
230 
231 			end = pos;
232 			while (*end) {
233 				if (*end == '\0' || *end == ' ')
234 					break;
235 				end++;
236 			}
237 
238 			ns = os_realloc_array(ssid, ssid_count + 1,
239 					      sizeof(struct wpa_ssid_value));
240 			if (ns == NULL) {
241 				os_free(ssid);
242 				os_free(bssid);
243 				return -1;
244 			}
245 			ssid = ns;
246 
247 			if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
248 			    hexstr2bin(pos, ssid[ssid_count].ssid,
249 				       (end - pos) / 2) < 0) {
250 				os_free(ssid);
251 				os_free(bssid);
252 				wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
253 					   "SSID value '%s'", pos);
254 				return -1;
255 			}
256 			ssid[ssid_count].ssid_len = (end - pos) / 2;
257 			wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
258 					  ssid[ssid_count].ssid,
259 					  ssid[ssid_count].ssid_len);
260 			ssid_count++;
261 			pos = end;
262 		} else {
263 			wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
264 				   "'%s'", pos);
265 			os_free(ssid);
266 			os_free(bssid);
267 			return -1;
268 		}
269 
270 		pos = os_strchr(pos, ' ');
271 		if (pos)
272 			pos++;
273 	}
274 
275 	wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
276 	os_free(wpa_s->disallow_aps_bssid);
277 	wpa_s->disallow_aps_bssid = bssid;
278 	wpa_s->disallow_aps_bssid_count = count;
279 
280 	wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
281 	os_free(wpa_s->disallow_aps_ssid);
282 	wpa_s->disallow_aps_ssid = ssid;
283 	wpa_s->disallow_aps_ssid_count = ssid_count;
284 
285 	if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
286 		return 0;
287 
288 	c = wpa_s->current_ssid;
289 	if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
290 		return 0;
291 
292 	if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
293 	    !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
294 		return 0;
295 
296 	wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
297 		   "because current AP was marked disallowed");
298 
299 #ifdef CONFIG_SME
300 	wpa_s->sme.prev_bssid_set = 0;
301 #endif /* CONFIG_SME */
302 	wpa_s->reassociate = 1;
303 	wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
304 	wpa_supplicant_req_scan(wpa_s, 0, 0);
305 
306 	return 0;
307 }
308 
309 
310 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
311 					 char *cmd)
312 {
313 	char *value;
314 	int ret = 0;
315 
316 	value = os_strchr(cmd, ' ');
317 	if (value == NULL)
318 		return -1;
319 	*value++ = '\0';
320 
321 	wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
322 	if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
323 		eapol_sm_configure(wpa_s->eapol,
324 				   atoi(value), -1, -1, -1);
325 	} else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
326 		eapol_sm_configure(wpa_s->eapol,
327 				   -1, atoi(value), -1, -1);
328 	} else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
329 		eapol_sm_configure(wpa_s->eapol,
330 				   -1, -1, atoi(value), -1);
331 	} else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
332 		eapol_sm_configure(wpa_s->eapol,
333 				   -1, -1, -1, atoi(value));
334 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
335 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
336 				     atoi(value)))
337 			ret = -1;
338 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
339 		   0) {
340 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
341 				     atoi(value)))
342 			ret = -1;
343 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
344 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
345 			ret = -1;
346 	} else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
347 		wpa_s->wps_fragment_size = atoi(value);
348 #ifdef CONFIG_WPS_TESTING
349 	} else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
350 		long int val;
351 		val = strtol(value, NULL, 0);
352 		if (val < 0 || val > 0xff) {
353 			ret = -1;
354 			wpa_printf(MSG_DEBUG, "WPS: Invalid "
355 				   "wps_version_number %ld", val);
356 		} else {
357 			wps_version_number = val;
358 			wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
359 				   "version %u.%u",
360 				   (wps_version_number & 0xf0) >> 4,
361 				   wps_version_number & 0x0f);
362 		}
363 	} else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
364 		wps_testing_dummy_cred = atoi(value);
365 		wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
366 			   wps_testing_dummy_cred);
367 	} else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
368 		wps_corrupt_pkhash = atoi(value);
369 		wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
370 			   wps_corrupt_pkhash);
371 #endif /* CONFIG_WPS_TESTING */
372 	} else if (os_strcasecmp(cmd, "ampdu") == 0) {
373 		if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
374 			ret = -1;
375 #ifdef CONFIG_TDLS
376 #ifdef CONFIG_TDLS_TESTING
377 	} else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
378 		extern unsigned int tdls_testing;
379 		tdls_testing = strtol(value, NULL, 0);
380 		wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
381 #endif /* CONFIG_TDLS_TESTING */
382 	} else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
383 		int disabled = atoi(value);
384 		wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
385 		if (disabled) {
386 			if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
387 				ret = -1;
388 		} else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
389 			ret = -1;
390 		wpa_tdls_enable(wpa_s->wpa, !disabled);
391 #endif /* CONFIG_TDLS */
392 	} else if (os_strcasecmp(cmd, "pno") == 0) {
393 		if (atoi(value))
394 			ret = pno_start(wpa_s);
395 		else
396 			ret = pno_stop(wpa_s);
397 	} else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
398 		int disabled = atoi(value);
399 		if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
400 			ret = -1;
401 		else if (disabled)
402 			wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
403 	} else if (os_strcasecmp(cmd, "uapsd") == 0) {
404 		if (os_strcmp(value, "disable") == 0)
405 			wpa_s->set_sta_uapsd = 0;
406 		else {
407 			int be, bk, vi, vo;
408 			char *pos;
409 			/* format: BE,BK,VI,VO;max SP Length */
410 			be = atoi(value);
411 			pos = os_strchr(value, ',');
412 			if (pos == NULL)
413 				return -1;
414 			pos++;
415 			bk = atoi(pos);
416 			pos = os_strchr(pos, ',');
417 			if (pos == NULL)
418 				return -1;
419 			pos++;
420 			vi = atoi(pos);
421 			pos = os_strchr(pos, ',');
422 			if (pos == NULL)
423 				return -1;
424 			pos++;
425 			vo = atoi(pos);
426 			/* ignore max SP Length for now */
427 
428 			wpa_s->set_sta_uapsd = 1;
429 			wpa_s->sta_uapsd = 0;
430 			if (be)
431 				wpa_s->sta_uapsd |= BIT(0);
432 			if (bk)
433 				wpa_s->sta_uapsd |= BIT(1);
434 			if (vi)
435 				wpa_s->sta_uapsd |= BIT(2);
436 			if (vo)
437 				wpa_s->sta_uapsd |= BIT(3);
438 		}
439 	} else if (os_strcasecmp(cmd, "ps") == 0) {
440 		ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
441 #ifdef CONFIG_WIFI_DISPLAY
442 	} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
443 		wifi_display_enable(wpa_s->global, !!atoi(value));
444 #endif /* CONFIG_WIFI_DISPLAY */
445 	} else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
446 		ret = set_bssid_filter(wpa_s, value);
447 	} else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
448 		ret = set_disallow_aps(wpa_s, value);
449 	} else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
450 		wpa_s->no_keep_alive = !!atoi(value);
451 	} else {
452 		value[-1] = '=';
453 		ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
454 		if (ret == 0)
455 			wpa_supplicant_update_config(wpa_s);
456 	}
457 
458 	return ret;
459 }
460 
461 
462 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
463 					 char *cmd, char *buf, size_t buflen)
464 {
465 	int res = -1;
466 
467 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
468 
469 	if (os_strcmp(cmd, "version") == 0) {
470 		res = os_snprintf(buf, buflen, "%s", VERSION_STR);
471 	} else if (os_strcasecmp(cmd, "country") == 0) {
472 		if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
473 			res = os_snprintf(buf, buflen, "%c%c",
474 					  wpa_s->conf->country[0],
475 					  wpa_s->conf->country[1]);
476 #ifdef CONFIG_WIFI_DISPLAY
477 	} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
478 		res = os_snprintf(buf, buflen, "%d",
479 				  wpa_s->global->wifi_display);
480 		if (res < 0 || (unsigned int) res >= buflen)
481 			return -1;
482 		return res;
483 #endif /* CONFIG_WIFI_DISPLAY */
484 #ifdef CONFIG_TESTING_GET_GTK
485 	} else if (os_strcmp(cmd, "gtk") == 0) {
486 		if (wpa_s->last_gtk_len == 0)
487 			return -1;
488 		res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
489 				       wpa_s->last_gtk_len);
490 		return res;
491 #endif /* CONFIG_TESTING_GET_GTK */
492 	}
493 
494 	if (res < 0 || (unsigned int) res >= buflen)
495 		return -1;
496 	return res;
497 }
498 
499 
500 #ifdef IEEE8021X_EAPOL
501 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
502 					     char *addr)
503 {
504 	u8 bssid[ETH_ALEN];
505 	struct wpa_ssid *ssid = wpa_s->current_ssid;
506 
507 	if (hwaddr_aton(addr, bssid)) {
508 		wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
509 			   "'%s'", addr);
510 		return -1;
511 	}
512 
513 	wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
514 	rsn_preauth_deinit(wpa_s->wpa);
515 	if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
516 		return -1;
517 
518 	return 0;
519 }
520 #endif /* IEEE8021X_EAPOL */
521 
522 
523 #ifdef CONFIG_PEERKEY
524 /* MLME-STKSTART.request(peer) */
525 static int wpa_supplicant_ctrl_iface_stkstart(
526 	struct wpa_supplicant *wpa_s, char *addr)
527 {
528 	u8 peer[ETH_ALEN];
529 
530 	if (hwaddr_aton(addr, peer)) {
531 		wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
532 			   "address '%s'", addr);
533 		return -1;
534 	}
535 
536 	wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
537 		   MAC2STR(peer));
538 
539 	return wpa_sm_stkstart(wpa_s->wpa, peer);
540 }
541 #endif /* CONFIG_PEERKEY */
542 
543 
544 #ifdef CONFIG_TDLS
545 
546 static int wpa_supplicant_ctrl_iface_tdls_discover(
547 	struct wpa_supplicant *wpa_s, char *addr)
548 {
549 	u8 peer[ETH_ALEN];
550 	int ret;
551 
552 	if (hwaddr_aton(addr, peer)) {
553 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
554 			   "address '%s'", addr);
555 		return -1;
556 	}
557 
558 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
559 		   MAC2STR(peer));
560 
561 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
562 		ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
563 	else
564 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
565 
566 	return ret;
567 }
568 
569 
570 static int wpa_supplicant_ctrl_iface_tdls_setup(
571 	struct wpa_supplicant *wpa_s, char *addr)
572 {
573 	u8 peer[ETH_ALEN];
574 	int ret;
575 
576 	if (hwaddr_aton(addr, peer)) {
577 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
578 			   "address '%s'", addr);
579 		return -1;
580 	}
581 
582 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
583 		   MAC2STR(peer));
584 
585 	if ((wpa_s->conf->tdls_external_control) &&
586 	    wpa_tdls_is_external_setup(wpa_s->wpa))
587 		return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
588 
589 	wpa_tdls_remove(wpa_s->wpa, peer);
590 
591 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
592 		ret = wpa_tdls_start(wpa_s->wpa, peer);
593 	else
594 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
595 
596 	return ret;
597 }
598 
599 
600 static int wpa_supplicant_ctrl_iface_tdls_teardown(
601 	struct wpa_supplicant *wpa_s, char *addr)
602 {
603 	u8 peer[ETH_ALEN];
604 	int ret;
605 
606 	if (hwaddr_aton(addr, peer)) {
607 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
608 			   "address '%s'", addr);
609 		return -1;
610 	}
611 
612 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
613 		   MAC2STR(peer));
614 
615 	if ((wpa_s->conf->tdls_external_control) &&
616 	    wpa_tdls_is_external_setup(wpa_s->wpa))
617 		return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
618 
619 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
620 		ret = wpa_tdls_teardown_link(
621 			wpa_s->wpa, peer,
622 			WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
623 	else
624 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
625 
626 	return ret;
627 }
628 
629 #endif /* CONFIG_TDLS */
630 
631 
632 #ifdef CONFIG_IEEE80211R
633 static int wpa_supplicant_ctrl_iface_ft_ds(
634 	struct wpa_supplicant *wpa_s, char *addr)
635 {
636 	u8 target_ap[ETH_ALEN];
637 	struct wpa_bss *bss;
638 	const u8 *mdie;
639 
640 	if (hwaddr_aton(addr, target_ap)) {
641 		wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
642 			   "address '%s'", addr);
643 		return -1;
644 	}
645 
646 	wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
647 
648 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
649 	if (bss)
650 		mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
651 	else
652 		mdie = NULL;
653 
654 	return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
655 }
656 #endif /* CONFIG_IEEE80211R */
657 
658 
659 #ifdef CONFIG_WPS
660 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
661 					     char *cmd)
662 {
663 	u8 bssid[ETH_ALEN], *_bssid = bssid;
664 #ifdef CONFIG_P2P
665 	u8 p2p_dev_addr[ETH_ALEN];
666 #endif /* CONFIG_P2P */
667 #ifdef CONFIG_AP
668 	u8 *_p2p_dev_addr = NULL;
669 #endif /* CONFIG_AP */
670 
671 	if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
672 		_bssid = NULL;
673 #ifdef CONFIG_P2P
674 	} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
675 		if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
676 			wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
677 				   "P2P Device Address '%s'",
678 				   cmd + 13);
679 			return -1;
680 		}
681 		_p2p_dev_addr = p2p_dev_addr;
682 #endif /* CONFIG_P2P */
683 	} else if (hwaddr_aton(cmd, bssid)) {
684 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
685 			   cmd);
686 		return -1;
687 	}
688 
689 #ifdef CONFIG_AP
690 	if (wpa_s->ap_iface)
691 		return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
692 #endif /* CONFIG_AP */
693 
694 	return wpas_wps_start_pbc(wpa_s, _bssid, 0);
695 }
696 
697 
698 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
699 					     char *cmd, char *buf,
700 					     size_t buflen)
701 {
702 	u8 bssid[ETH_ALEN], *_bssid = bssid;
703 	char *pin;
704 	int ret;
705 
706 	pin = os_strchr(cmd, ' ');
707 	if (pin)
708 		*pin++ = '\0';
709 
710 	if (os_strcmp(cmd, "any") == 0)
711 		_bssid = NULL;
712 	else if (os_strcmp(cmd, "get") == 0) {
713 		ret = wps_generate_pin();
714 		goto done;
715 	} else if (hwaddr_aton(cmd, bssid)) {
716 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
717 			   cmd);
718 		return -1;
719 	}
720 
721 #ifdef CONFIG_AP
722 	if (wpa_s->ap_iface) {
723 		int timeout = 0;
724 		char *pos;
725 
726 		if (pin) {
727 			pos = os_strchr(pin, ' ');
728 			if (pos) {
729 				*pos++ = '\0';
730 				timeout = atoi(pos);
731 			}
732 		}
733 
734 		return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
735 						 buf, buflen, timeout);
736 	}
737 #endif /* CONFIG_AP */
738 
739 	if (pin) {
740 		ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
741 					 DEV_PW_DEFAULT);
742 		if (ret < 0)
743 			return -1;
744 		ret = os_snprintf(buf, buflen, "%s", pin);
745 		if (ret < 0 || (size_t) ret >= buflen)
746 			return -1;
747 		return ret;
748 	}
749 
750 	ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
751 	if (ret < 0)
752 		return -1;
753 
754 done:
755 	/* Return the generated PIN */
756 	ret = os_snprintf(buf, buflen, "%08d", ret);
757 	if (ret < 0 || (size_t) ret >= buflen)
758 		return -1;
759 	return ret;
760 }
761 
762 
763 static int wpa_supplicant_ctrl_iface_wps_check_pin(
764 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
765 {
766 	char pin[9];
767 	size_t len;
768 	char *pos;
769 	int ret;
770 
771 	wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
772 			      (u8 *) cmd, os_strlen(cmd));
773 	for (pos = cmd, len = 0; *pos != '\0'; pos++) {
774 		if (*pos < '0' || *pos > '9')
775 			continue;
776 		pin[len++] = *pos;
777 		if (len == 9) {
778 			wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
779 			return -1;
780 		}
781 	}
782 	if (len != 4 && len != 8) {
783 		wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
784 		return -1;
785 	}
786 	pin[len] = '\0';
787 
788 	if (len == 8) {
789 		unsigned int pin_val;
790 		pin_val = atoi(pin);
791 		if (!wps_pin_valid(pin_val)) {
792 			wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
793 			ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
794 			if (ret < 0 || (size_t) ret >= buflen)
795 				return -1;
796 			return ret;
797 		}
798 	}
799 
800 	ret = os_snprintf(buf, buflen, "%s", pin);
801 	if (ret < 0 || (size_t) ret >= buflen)
802 		return -1;
803 
804 	return ret;
805 }
806 
807 
808 #ifdef CONFIG_WPS_NFC
809 
810 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
811 					     char *cmd)
812 {
813 	u8 bssid[ETH_ALEN], *_bssid = bssid;
814 
815 	if (cmd == NULL || cmd[0] == '\0')
816 		_bssid = NULL;
817 	else if (hwaddr_aton(cmd, bssid))
818 		return -1;
819 
820 	return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
821 				  0, 0);
822 }
823 
824 
825 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
826 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
827 {
828 	int ndef;
829 	struct wpabuf *buf;
830 	int res;
831 	char *pos;
832 
833 	pos = os_strchr(cmd, ' ');
834 	if (pos)
835 		*pos++ = '\0';
836 	if (os_strcmp(cmd, "WPS") == 0)
837 		ndef = 0;
838 	else if (os_strcmp(cmd, "NDEF") == 0)
839 		ndef = 1;
840 	else
841 		return -1;
842 
843 	buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
844 	if (buf == NULL)
845 		return -1;
846 
847 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
848 					 wpabuf_len(buf));
849 	reply[res++] = '\n';
850 	reply[res] = '\0';
851 
852 	wpabuf_free(buf);
853 
854 	return res;
855 }
856 
857 
858 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
859 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
860 {
861 	int ndef;
862 	struct wpabuf *buf;
863 	int res;
864 
865 	if (os_strcmp(cmd, "WPS") == 0)
866 		ndef = 0;
867 	else if (os_strcmp(cmd, "NDEF") == 0)
868 		ndef = 1;
869 	else
870 		return -1;
871 
872 	buf = wpas_wps_nfc_token(wpa_s, ndef);
873 	if (buf == NULL)
874 		return -1;
875 
876 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
877 					 wpabuf_len(buf));
878 	reply[res++] = '\n';
879 	reply[res] = '\0';
880 
881 	wpabuf_free(buf);
882 
883 	return res;
884 }
885 
886 
887 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
888 	struct wpa_supplicant *wpa_s, char *pos)
889 {
890 	size_t len;
891 	struct wpabuf *buf;
892 	int ret;
893 	char *freq;
894 	int forced_freq = 0;
895 
896 	freq = strstr(pos, " freq=");
897 	if (freq) {
898 		*freq = '\0';
899 		freq += 6;
900 		forced_freq = atoi(freq);
901 	}
902 
903 	len = os_strlen(pos);
904 	if (len & 0x01)
905 		return -1;
906 	len /= 2;
907 
908 	buf = wpabuf_alloc(len);
909 	if (buf == NULL)
910 		return -1;
911 	if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
912 		wpabuf_free(buf);
913 		return -1;
914 	}
915 
916 	ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
917 	wpabuf_free(buf);
918 
919 	return ret;
920 }
921 
922 
923 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
924 					      char *reply, size_t max_len,
925 					      int ndef)
926 {
927 	struct wpabuf *buf;
928 	int res;
929 
930 	buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
931 	if (buf == NULL)
932 		return -1;
933 
934 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
935 					 wpabuf_len(buf));
936 	reply[res++] = '\n';
937 	reply[res] = '\0';
938 
939 	wpabuf_free(buf);
940 
941 	return res;
942 }
943 
944 
945 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
946 					      char *reply, size_t max_len,
947 					      int ndef)
948 {
949 	struct wpabuf *buf;
950 	int res;
951 
952 	buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
953 	if (buf == NULL) {
954 		wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
955 		return -1;
956 	}
957 
958 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
959 					 wpabuf_len(buf));
960 	reply[res++] = '\n';
961 	reply[res] = '\0';
962 
963 	wpabuf_free(buf);
964 
965 	return res;
966 }
967 
968 
969 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
970 					  char *cmd, char *reply,
971 					  size_t max_len)
972 {
973 	char *pos;
974 	int ndef;
975 
976 	pos = os_strchr(cmd, ' ');
977 	if (pos == NULL)
978 		return -1;
979 	*pos++ = '\0';
980 
981 	if (os_strcmp(cmd, "WPS") == 0)
982 		ndef = 0;
983 	else if (os_strcmp(cmd, "NDEF") == 0)
984 		ndef = 1;
985 	else
986 		return -1;
987 
988 	if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
989 		if (!ndef)
990 			return -1;
991 		return wpas_ctrl_nfc_get_handover_req_wps(
992 			wpa_s, reply, max_len, ndef);
993 	}
994 
995 	if (os_strcmp(pos, "P2P-CR") == 0) {
996 		return wpas_ctrl_nfc_get_handover_req_p2p(
997 			wpa_s, reply, max_len, ndef);
998 	}
999 
1000 	return -1;
1001 }
1002 
1003 
1004 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1005 					      char *reply, size_t max_len,
1006 					      int ndef, int cr, char *uuid)
1007 {
1008 	struct wpabuf *buf;
1009 	int res;
1010 
1011 	buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1012 	if (buf == NULL)
1013 		return -1;
1014 
1015 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1016 					 wpabuf_len(buf));
1017 	reply[res++] = '\n';
1018 	reply[res] = '\0';
1019 
1020 	wpabuf_free(buf);
1021 
1022 	return res;
1023 }
1024 
1025 
1026 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1027 					      char *reply, size_t max_len,
1028 					      int ndef, int tag)
1029 {
1030 	struct wpabuf *buf;
1031 	int res;
1032 
1033 	buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1034 	if (buf == NULL)
1035 		return -1;
1036 
1037 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1038 					 wpabuf_len(buf));
1039 	reply[res++] = '\n';
1040 	reply[res] = '\0';
1041 
1042 	wpabuf_free(buf);
1043 
1044 	return res;
1045 }
1046 
1047 
1048 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1049 					  char *cmd, char *reply,
1050 					  size_t max_len)
1051 {
1052 	char *pos, *pos2;
1053 	int ndef;
1054 
1055 	pos = os_strchr(cmd, ' ');
1056 	if (pos == NULL)
1057 		return -1;
1058 	*pos++ = '\0';
1059 
1060 	if (os_strcmp(cmd, "WPS") == 0)
1061 		ndef = 0;
1062 	else if (os_strcmp(cmd, "NDEF") == 0)
1063 		ndef = 1;
1064 	else
1065 		return -1;
1066 
1067 	pos2 = os_strchr(pos, ' ');
1068 	if (pos2)
1069 		*pos2++ = '\0';
1070 	if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1071 		if (!ndef)
1072 			return -1;
1073 		return wpas_ctrl_nfc_get_handover_sel_wps(
1074 			wpa_s, reply, max_len, ndef,
1075 			os_strcmp(pos, "WPS-CR") == 0, pos2);
1076 	}
1077 
1078 	if (os_strcmp(pos, "P2P-CR") == 0) {
1079 		return wpas_ctrl_nfc_get_handover_sel_p2p(
1080 			wpa_s, reply, max_len, ndef, 0);
1081 	}
1082 
1083 	if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1084 		return wpas_ctrl_nfc_get_handover_sel_p2p(
1085 			wpa_s, reply, max_len, ndef, 1);
1086 	}
1087 
1088 	return -1;
1089 }
1090 
1091 
1092 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
1093 					 char *cmd, char *reply,
1094 					 size_t max_len)
1095 {
1096 	size_t len;
1097 	struct wpabuf *buf;
1098 	int ret;
1099 
1100 	len = os_strlen(cmd);
1101 	if (len & 0x01)
1102 		return -1;
1103 	len /= 2;
1104 
1105 	buf = wpabuf_alloc(len);
1106 	if (buf == NULL)
1107 		return -1;
1108 	if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1109 		wpabuf_free(buf);
1110 		return -1;
1111 	}
1112 
1113 	ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
1114 	wpabuf_free(buf);
1115 
1116 	return ret;
1117 }
1118 
1119 
1120 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
1121 					 char *cmd)
1122 {
1123 	size_t len;
1124 	struct wpabuf *buf;
1125 	int ret;
1126 
1127 	len = os_strlen(cmd);
1128 	if (len & 0x01)
1129 		return -1;
1130 	len /= 2;
1131 
1132 	buf = wpabuf_alloc(len);
1133 	if (buf == NULL)
1134 		return -1;
1135 	if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1136 		wpabuf_free(buf);
1137 		return -1;
1138 	}
1139 
1140 	ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1141 	wpabuf_free(buf);
1142 
1143 	return ret;
1144 }
1145 
1146 
1147 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1148 					 char *cmd)
1149 {
1150 	size_t len;
1151 	struct wpabuf *req, *sel;
1152 	int ret;
1153 	char *pos, *role, *type, *pos2;
1154 	char *freq;
1155 	int forced_freq = 0;
1156 
1157 	freq = strstr(cmd, " freq=");
1158 	if (freq) {
1159 		*freq = '\0';
1160 		freq += 6;
1161 		forced_freq = atoi(freq);
1162 	}
1163 
1164 	role = cmd;
1165 	pos = os_strchr(role, ' ');
1166 	if (pos == NULL) {
1167 		wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1168 		return -1;
1169 	}
1170 	*pos++ = '\0';
1171 
1172 	type = pos;
1173 	pos = os_strchr(type, ' ');
1174 	if (pos == NULL) {
1175 		wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1176 		return -1;
1177 	}
1178 	*pos++ = '\0';
1179 
1180 	pos2 = os_strchr(pos, ' ');
1181 	if (pos2 == NULL) {
1182 		wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1183 		return -1;
1184 	}
1185 	*pos2++ = '\0';
1186 
1187 	len = os_strlen(pos);
1188 	if (len & 0x01) {
1189 		wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1190 		return -1;
1191 	}
1192 	len /= 2;
1193 
1194 	req = wpabuf_alloc(len);
1195 	if (req == NULL) {
1196 		wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1197 		return -1;
1198 	}
1199 	if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1200 		wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1201 		wpabuf_free(req);
1202 		return -1;
1203 	}
1204 
1205 	len = os_strlen(pos2);
1206 	if (len & 0x01) {
1207 		wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1208 		wpabuf_free(req);
1209 		return -1;
1210 	}
1211 	len /= 2;
1212 
1213 	sel = wpabuf_alloc(len);
1214 	if (sel == NULL) {
1215 		wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1216 		wpabuf_free(req);
1217 		return -1;
1218 	}
1219 	if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1220 		wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1221 		wpabuf_free(req);
1222 		wpabuf_free(sel);
1223 		return -1;
1224 	}
1225 
1226 	wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1227 		   role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1228 
1229 	if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1230 		ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1231 	} else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1232 	{
1233 		ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1234 		if (ret < 0)
1235 			ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1236 	} else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1237 	{
1238 		ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1239 	} else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1240 	{
1241 		ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1242 						   forced_freq);
1243 	} else {
1244 		wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1245 			   "reported: role=%s type=%s", role, type);
1246 		ret = -1;
1247 	}
1248 	wpabuf_free(req);
1249 	wpabuf_free(sel);
1250 
1251 	if (ret)
1252 		wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1253 
1254 	return ret;
1255 }
1256 
1257 #endif /* CONFIG_WPS_NFC */
1258 
1259 
1260 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1261 					     char *cmd)
1262 {
1263 	u8 bssid[ETH_ALEN];
1264 	char *pin;
1265 	char *new_ssid;
1266 	char *new_auth;
1267 	char *new_encr;
1268 	char *new_key;
1269 	struct wps_new_ap_settings ap;
1270 
1271 	pin = os_strchr(cmd, ' ');
1272 	if (pin == NULL)
1273 		return -1;
1274 	*pin++ = '\0';
1275 
1276 	if (hwaddr_aton(cmd, bssid)) {
1277 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1278 			   cmd);
1279 		return -1;
1280 	}
1281 
1282 	new_ssid = os_strchr(pin, ' ');
1283 	if (new_ssid == NULL)
1284 		return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1285 	*new_ssid++ = '\0';
1286 
1287 	new_auth = os_strchr(new_ssid, ' ');
1288 	if (new_auth == NULL)
1289 		return -1;
1290 	*new_auth++ = '\0';
1291 
1292 	new_encr = os_strchr(new_auth, ' ');
1293 	if (new_encr == NULL)
1294 		return -1;
1295 	*new_encr++ = '\0';
1296 
1297 	new_key = os_strchr(new_encr, ' ');
1298 	if (new_key == NULL)
1299 		return -1;
1300 	*new_key++ = '\0';
1301 
1302 	os_memset(&ap, 0, sizeof(ap));
1303 	ap.ssid_hex = new_ssid;
1304 	ap.auth = new_auth;
1305 	ap.encr = new_encr;
1306 	ap.key_hex = new_key;
1307 	return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1308 }
1309 
1310 
1311 #ifdef CONFIG_AP
1312 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1313 						char *cmd, char *buf,
1314 						size_t buflen)
1315 {
1316 	int timeout = 300;
1317 	char *pos;
1318 	const char *pin_txt;
1319 
1320 	if (!wpa_s->ap_iface)
1321 		return -1;
1322 
1323 	pos = os_strchr(cmd, ' ');
1324 	if (pos)
1325 		*pos++ = '\0';
1326 
1327 	if (os_strcmp(cmd, "disable") == 0) {
1328 		wpas_wps_ap_pin_disable(wpa_s);
1329 		return os_snprintf(buf, buflen, "OK\n");
1330 	}
1331 
1332 	if (os_strcmp(cmd, "random") == 0) {
1333 		if (pos)
1334 			timeout = atoi(pos);
1335 		pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1336 		if (pin_txt == NULL)
1337 			return -1;
1338 		return os_snprintf(buf, buflen, "%s", pin_txt);
1339 	}
1340 
1341 	if (os_strcmp(cmd, "get") == 0) {
1342 		pin_txt = wpas_wps_ap_pin_get(wpa_s);
1343 		if (pin_txt == NULL)
1344 			return -1;
1345 		return os_snprintf(buf, buflen, "%s", pin_txt);
1346 	}
1347 
1348 	if (os_strcmp(cmd, "set") == 0) {
1349 		char *pin;
1350 		if (pos == NULL)
1351 			return -1;
1352 		pin = pos;
1353 		pos = os_strchr(pos, ' ');
1354 		if (pos) {
1355 			*pos++ = '\0';
1356 			timeout = atoi(pos);
1357 		}
1358 		if (os_strlen(pin) > buflen)
1359 			return -1;
1360 		if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1361 			return -1;
1362 		return os_snprintf(buf, buflen, "%s", pin);
1363 	}
1364 
1365 	return -1;
1366 }
1367 #endif /* CONFIG_AP */
1368 
1369 
1370 #ifdef CONFIG_WPS_ER
1371 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1372 						char *cmd)
1373 {
1374 	char *uuid = cmd, *pin, *pos;
1375 	u8 addr_buf[ETH_ALEN], *addr = NULL;
1376 	pin = os_strchr(uuid, ' ');
1377 	if (pin == NULL)
1378 		return -1;
1379 	*pin++ = '\0';
1380 	pos = os_strchr(pin, ' ');
1381 	if (pos) {
1382 		*pos++ = '\0';
1383 		if (hwaddr_aton(pos, addr_buf) == 0)
1384 			addr = addr_buf;
1385 	}
1386 	return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1387 }
1388 
1389 
1390 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1391 						  char *cmd)
1392 {
1393 	char *uuid = cmd, *pin;
1394 	pin = os_strchr(uuid, ' ');
1395 	if (pin == NULL)
1396 		return -1;
1397 	*pin++ = '\0';
1398 	return wpas_wps_er_learn(wpa_s, uuid, pin);
1399 }
1400 
1401 
1402 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1403 	struct wpa_supplicant *wpa_s, char *cmd)
1404 {
1405 	char *uuid = cmd, *id;
1406 	id = os_strchr(uuid, ' ');
1407 	if (id == NULL)
1408 		return -1;
1409 	*id++ = '\0';
1410 	return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1411 }
1412 
1413 
1414 static int wpa_supplicant_ctrl_iface_wps_er_config(
1415 	struct wpa_supplicant *wpa_s, char *cmd)
1416 {
1417 	char *pin;
1418 	char *new_ssid;
1419 	char *new_auth;
1420 	char *new_encr;
1421 	char *new_key;
1422 	struct wps_new_ap_settings ap;
1423 
1424 	pin = os_strchr(cmd, ' ');
1425 	if (pin == NULL)
1426 		return -1;
1427 	*pin++ = '\0';
1428 
1429 	new_ssid = os_strchr(pin, ' ');
1430 	if (new_ssid == NULL)
1431 		return -1;
1432 	*new_ssid++ = '\0';
1433 
1434 	new_auth = os_strchr(new_ssid, ' ');
1435 	if (new_auth == NULL)
1436 		return -1;
1437 	*new_auth++ = '\0';
1438 
1439 	new_encr = os_strchr(new_auth, ' ');
1440 	if (new_encr == NULL)
1441 		return -1;
1442 	*new_encr++ = '\0';
1443 
1444 	new_key = os_strchr(new_encr, ' ');
1445 	if (new_key == NULL)
1446 		return -1;
1447 	*new_key++ = '\0';
1448 
1449 	os_memset(&ap, 0, sizeof(ap));
1450 	ap.ssid_hex = new_ssid;
1451 	ap.auth = new_auth;
1452 	ap.encr = new_encr;
1453 	ap.key_hex = new_key;
1454 	return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1455 }
1456 
1457 
1458 #ifdef CONFIG_WPS_NFC
1459 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1460 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1461 {
1462 	int ndef;
1463 	struct wpabuf *buf;
1464 	int res;
1465 	char *uuid;
1466 
1467 	uuid = os_strchr(cmd, ' ');
1468 	if (uuid == NULL)
1469 		return -1;
1470 	*uuid++ = '\0';
1471 
1472 	if (os_strcmp(cmd, "WPS") == 0)
1473 		ndef = 0;
1474 	else if (os_strcmp(cmd, "NDEF") == 0)
1475 		ndef = 1;
1476 	else
1477 		return -1;
1478 
1479 	buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1480 	if (buf == NULL)
1481 		return -1;
1482 
1483 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1484 					 wpabuf_len(buf));
1485 	reply[res++] = '\n';
1486 	reply[res] = '\0';
1487 
1488 	wpabuf_free(buf);
1489 
1490 	return res;
1491 }
1492 #endif /* CONFIG_WPS_NFC */
1493 #endif /* CONFIG_WPS_ER */
1494 
1495 #endif /* CONFIG_WPS */
1496 
1497 
1498 #ifdef CONFIG_IBSS_RSN
1499 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1500 	struct wpa_supplicant *wpa_s, char *addr)
1501 {
1502 	u8 peer[ETH_ALEN];
1503 
1504 	if (hwaddr_aton(addr, peer)) {
1505 		wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1506 			   "address '%s'", addr);
1507 		return -1;
1508 	}
1509 
1510 	wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1511 		   MAC2STR(peer));
1512 
1513 	return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1514 }
1515 #endif /* CONFIG_IBSS_RSN */
1516 
1517 
1518 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1519 					      char *rsp)
1520 {
1521 #ifdef IEEE8021X_EAPOL
1522 	char *pos, *id_pos;
1523 	int id;
1524 	struct wpa_ssid *ssid;
1525 
1526 	pos = os_strchr(rsp, '-');
1527 	if (pos == NULL)
1528 		return -1;
1529 	*pos++ = '\0';
1530 	id_pos = pos;
1531 	pos = os_strchr(pos, ':');
1532 	if (pos == NULL)
1533 		return -1;
1534 	*pos++ = '\0';
1535 	id = atoi(id_pos);
1536 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1537 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1538 			      (u8 *) pos, os_strlen(pos));
1539 
1540 	ssid = wpa_config_get_network(wpa_s->conf, id);
1541 	if (ssid == NULL) {
1542 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1543 			   "to update", id);
1544 		return -1;
1545 	}
1546 
1547 	return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1548 							 pos);
1549 #else /* IEEE8021X_EAPOL */
1550 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1551 	return -1;
1552 #endif /* IEEE8021X_EAPOL */
1553 }
1554 
1555 
1556 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1557 					    const char *params,
1558 					    char *buf, size_t buflen)
1559 {
1560 	char *pos, *end, tmp[30];
1561 	int res, verbose, wps, ret;
1562 
1563 	if (os_strcmp(params, "-DRIVER") == 0)
1564 		return wpa_drv_status(wpa_s, buf, buflen);
1565 	verbose = os_strcmp(params, "-VERBOSE") == 0;
1566 	wps = os_strcmp(params, "-WPS") == 0;
1567 	pos = buf;
1568 	end = buf + buflen;
1569 	if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1570 		struct wpa_ssid *ssid = wpa_s->current_ssid;
1571 		ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1572 				  MAC2STR(wpa_s->bssid));
1573 		if (ret < 0 || ret >= end - pos)
1574 			return pos - buf;
1575 		pos += ret;
1576 		if (ssid) {
1577 			u8 *_ssid = ssid->ssid;
1578 			size_t ssid_len = ssid->ssid_len;
1579 			u8 ssid_buf[MAX_SSID_LEN];
1580 			if (ssid_len == 0) {
1581 				int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1582 				if (_res < 0)
1583 					ssid_len = 0;
1584 				else
1585 					ssid_len = _res;
1586 				_ssid = ssid_buf;
1587 			}
1588 			ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1589 					  wpa_ssid_txt(_ssid, ssid_len),
1590 					  ssid->id);
1591 			if (ret < 0 || ret >= end - pos)
1592 				return pos - buf;
1593 			pos += ret;
1594 
1595 			if (wps && ssid->passphrase &&
1596 			    wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1597 			    (ssid->mode == WPAS_MODE_AP ||
1598 			     ssid->mode == WPAS_MODE_P2P_GO)) {
1599 				ret = os_snprintf(pos, end - pos,
1600 						  "passphrase=%s\n",
1601 						  ssid->passphrase);
1602 				if (ret < 0 || ret >= end - pos)
1603 					return pos - buf;
1604 				pos += ret;
1605 			}
1606 			if (ssid->id_str) {
1607 				ret = os_snprintf(pos, end - pos,
1608 						  "id_str=%s\n",
1609 						  ssid->id_str);
1610 				if (ret < 0 || ret >= end - pos)
1611 					return pos - buf;
1612 				pos += ret;
1613 			}
1614 
1615 			switch (ssid->mode) {
1616 			case WPAS_MODE_INFRA:
1617 				ret = os_snprintf(pos, end - pos,
1618 						  "mode=station\n");
1619 				break;
1620 			case WPAS_MODE_IBSS:
1621 				ret = os_snprintf(pos, end - pos,
1622 						  "mode=IBSS\n");
1623 				break;
1624 			case WPAS_MODE_AP:
1625 				ret = os_snprintf(pos, end - pos,
1626 						  "mode=AP\n");
1627 				break;
1628 			case WPAS_MODE_P2P_GO:
1629 				ret = os_snprintf(pos, end - pos,
1630 						  "mode=P2P GO\n");
1631 				break;
1632 			case WPAS_MODE_P2P_GROUP_FORMATION:
1633 				ret = os_snprintf(pos, end - pos,
1634 						  "mode=P2P GO - group "
1635 						  "formation\n");
1636 				break;
1637 			default:
1638 				ret = 0;
1639 				break;
1640 			}
1641 			if (ret < 0 || ret >= end - pos)
1642 				return pos - buf;
1643 			pos += ret;
1644 		}
1645 
1646 #ifdef CONFIG_AP
1647 		if (wpa_s->ap_iface) {
1648 			pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1649 							    end - pos,
1650 							    verbose);
1651 		} else
1652 #endif /* CONFIG_AP */
1653 		pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1654 	}
1655 #ifdef CONFIG_SAE
1656 	if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1657 #ifdef CONFIG_AP
1658 	    !wpa_s->ap_iface &&
1659 #endif /* CONFIG_AP */
1660 	    wpa_s->sme.sae.state == SAE_ACCEPTED) {
1661 		ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1662 				  wpa_s->sme.sae.group);
1663 		if (ret < 0 || ret >= end - pos)
1664 			return pos - buf;
1665 		pos += ret;
1666 	}
1667 #endif /* CONFIG_SAE */
1668 	ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1669 			  wpa_supplicant_state_txt(wpa_s->wpa_state));
1670 	if (ret < 0 || ret >= end - pos)
1671 		return pos - buf;
1672 	pos += ret;
1673 
1674 	if (wpa_s->l2 &&
1675 	    l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1676 		ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1677 		if (ret < 0 || ret >= end - pos)
1678 			return pos - buf;
1679 		pos += ret;
1680 	}
1681 
1682 #ifdef CONFIG_P2P
1683 	if (wpa_s->global->p2p) {
1684 		ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1685 				  "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1686 		if (ret < 0 || ret >= end - pos)
1687 			return pos - buf;
1688 		pos += ret;
1689 	}
1690 #endif /* CONFIG_P2P */
1691 
1692 	ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1693 			  MAC2STR(wpa_s->own_addr));
1694 	if (ret < 0 || ret >= end - pos)
1695 		return pos - buf;
1696 	pos += ret;
1697 
1698 #ifdef CONFIG_HS20
1699 	if (wpa_s->current_bss &&
1700 	    wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1701 	    wpa_s->wpa_proto == WPA_PROTO_RSN &&
1702 	    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1703 		ret = os_snprintf(pos, end - pos, "hs20=1\n");
1704 		if (ret < 0 || ret >= end - pos)
1705 			return pos - buf;
1706 		pos += ret;
1707 	}
1708 
1709 	if (wpa_s->current_ssid) {
1710 		struct wpa_cred *cred;
1711 		char *type;
1712 
1713 		for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1714 			size_t i;
1715 
1716 			if (wpa_s->current_ssid->parent_cred != cred)
1717 				continue;
1718 
1719 			for (i = 0; cred->domain && i < cred->num_domain; i++) {
1720 				ret = os_snprintf(pos, end - pos,
1721 						  "home_sp=%s\n",
1722 						  cred->domain[i]);
1723 				if (ret < 0 || ret >= end - pos)
1724 					return pos - buf;
1725 				pos += ret;
1726 			}
1727 
1728 			if (wpa_s->current_bss == NULL ||
1729 			    wpa_s->current_bss->anqp == NULL)
1730 				res = -1;
1731 			else
1732 				res = interworking_home_sp_cred(
1733 					wpa_s, cred,
1734 					wpa_s->current_bss->anqp->domain_name);
1735 			if (res > 0)
1736 				type = "home";
1737 			else if (res == 0)
1738 				type = "roaming";
1739 			else
1740 				type = "unknown";
1741 
1742 			ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1743 			if (ret < 0 || ret >= end - pos)
1744 				return pos - buf;
1745 			pos += ret;
1746 
1747 			break;
1748 		}
1749 	}
1750 #endif /* CONFIG_HS20 */
1751 
1752 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1753 	    wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1754 		res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1755 					  verbose);
1756 		if (res >= 0)
1757 			pos += res;
1758 	}
1759 
1760 	res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1761 	if (res >= 0)
1762 		pos += res;
1763 
1764 #ifdef CONFIG_WPS
1765 	{
1766 		char uuid_str[100];
1767 		uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
1768 		ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
1769 		if (ret < 0 || ret >= end - pos)
1770 			return pos - buf;
1771 		pos += ret;
1772 	}
1773 #endif /* CONFIG_WPS */
1774 
1775 #ifdef ANDROID
1776 	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1777 		     "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1778 		     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1779 		     wpa_s->wpa_state,
1780 		     MAC2STR(wpa_s->bssid),
1781 		     wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1782 		     wpa_ssid_txt(wpa_s->current_ssid->ssid,
1783 				  wpa_s->current_ssid->ssid_len) : "");
1784 	if (wpa_s->wpa_state == WPA_COMPLETED) {
1785 		struct wpa_ssid *ssid = wpa_s->current_ssid;
1786 		wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1787 			     "- connection to " MACSTR
1788 			     " completed %s [id=%d id_str=%s]",
1789 			     MAC2STR(wpa_s->bssid), "(auth)",
1790 			     ssid ? ssid->id : -1,
1791 			     ssid && ssid->id_str ? ssid->id_str : "");
1792 	}
1793 #endif /* ANDROID */
1794 
1795 	return pos - buf;
1796 }
1797 
1798 
1799 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1800 					   char *cmd)
1801 {
1802 	char *pos;
1803 	int id;
1804 	struct wpa_ssid *ssid;
1805 	u8 bssid[ETH_ALEN];
1806 
1807 	/* cmd: "<network id> <BSSID>" */
1808 	pos = os_strchr(cmd, ' ');
1809 	if (pos == NULL)
1810 		return -1;
1811 	*pos++ = '\0';
1812 	id = atoi(cmd);
1813 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1814 	if (hwaddr_aton(pos, bssid)) {
1815 		wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1816 		return -1;
1817 	}
1818 
1819 	ssid = wpa_config_get_network(wpa_s->conf, id);
1820 	if (ssid == NULL) {
1821 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1822 			   "to update", id);
1823 		return -1;
1824 	}
1825 
1826 	os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1827 	ssid->bssid_set = !is_zero_ether_addr(bssid);
1828 
1829 	return 0;
1830 }
1831 
1832 
1833 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1834 					       char *cmd, char *buf,
1835 					       size_t buflen)
1836 {
1837 	u8 bssid[ETH_ALEN];
1838 	struct wpa_blacklist *e;
1839 	char *pos, *end;
1840 	int ret;
1841 
1842 	/* cmd: "BLACKLIST [<BSSID>]" */
1843 	if (*cmd == '\0') {
1844 		pos = buf;
1845 		end = buf + buflen;
1846 		e = wpa_s->blacklist;
1847 		while (e) {
1848 			ret = os_snprintf(pos, end - pos, MACSTR "\n",
1849 					  MAC2STR(e->bssid));
1850 			if (ret < 0 || ret >= end - pos)
1851 				return pos - buf;
1852 			pos += ret;
1853 			e = e->next;
1854 		}
1855 		return pos - buf;
1856 	}
1857 
1858 	cmd++;
1859 	if (os_strncmp(cmd, "clear", 5) == 0) {
1860 		wpa_blacklist_clear(wpa_s);
1861 		os_memcpy(buf, "OK\n", 3);
1862 		return 3;
1863 	}
1864 
1865 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1866 	if (hwaddr_aton(cmd, bssid)) {
1867 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1868 		return -1;
1869 	}
1870 
1871 	/*
1872 	 * Add the BSSID twice, so its count will be 2, causing it to be
1873 	 * skipped when processing scan results.
1874 	 */
1875 	ret = wpa_blacklist_add(wpa_s, bssid);
1876 	if (ret != 0)
1877 		return -1;
1878 	ret = wpa_blacklist_add(wpa_s, bssid);
1879 	if (ret != 0)
1880 		return -1;
1881 	os_memcpy(buf, "OK\n", 3);
1882 	return 3;
1883 }
1884 
1885 
1886 static const char * debug_level_str(int level)
1887 {
1888 	switch (level) {
1889 	case MSG_EXCESSIVE:
1890 		return "EXCESSIVE";
1891 	case MSG_MSGDUMP:
1892 		return "MSGDUMP";
1893 	case MSG_DEBUG:
1894 		return "DEBUG";
1895 	case MSG_INFO:
1896 		return "INFO";
1897 	case MSG_WARNING:
1898 		return "WARNING";
1899 	case MSG_ERROR:
1900 		return "ERROR";
1901 	default:
1902 		return "?";
1903 	}
1904 }
1905 
1906 
1907 static int str_to_debug_level(const char *s)
1908 {
1909 	if (os_strcasecmp(s, "EXCESSIVE") == 0)
1910 		return MSG_EXCESSIVE;
1911 	if (os_strcasecmp(s, "MSGDUMP") == 0)
1912 		return MSG_MSGDUMP;
1913 	if (os_strcasecmp(s, "DEBUG") == 0)
1914 		return MSG_DEBUG;
1915 	if (os_strcasecmp(s, "INFO") == 0)
1916 		return MSG_INFO;
1917 	if (os_strcasecmp(s, "WARNING") == 0)
1918 		return MSG_WARNING;
1919 	if (os_strcasecmp(s, "ERROR") == 0)
1920 		return MSG_ERROR;
1921 	return -1;
1922 }
1923 
1924 
1925 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1926 					       char *cmd, char *buf,
1927 					       size_t buflen)
1928 {
1929 	char *pos, *end, *stamp;
1930 	int ret;
1931 
1932 	if (cmd == NULL) {
1933 		return -1;
1934 	}
1935 
1936 	/* cmd: "LOG_LEVEL [<level>]" */
1937 	if (*cmd == '\0') {
1938 		pos = buf;
1939 		end = buf + buflen;
1940 		ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1941 				  "Timestamp: %d\n",
1942 				  debug_level_str(wpa_debug_level),
1943 				  wpa_debug_timestamp);
1944 		if (ret < 0 || ret >= end - pos)
1945 			ret = 0;
1946 
1947 		return ret;
1948 	}
1949 
1950 	while (*cmd == ' ')
1951 		cmd++;
1952 
1953 	stamp = os_strchr(cmd, ' ');
1954 	if (stamp) {
1955 		*stamp++ = '\0';
1956 		while (*stamp == ' ') {
1957 			stamp++;
1958 		}
1959 	}
1960 
1961 	if (cmd && os_strlen(cmd)) {
1962 		int level = str_to_debug_level(cmd);
1963 		if (level < 0)
1964 			return -1;
1965 		wpa_debug_level = level;
1966 	}
1967 
1968 	if (stamp && os_strlen(stamp))
1969 		wpa_debug_timestamp = atoi(stamp);
1970 
1971 	os_memcpy(buf, "OK\n", 3);
1972 	return 3;
1973 }
1974 
1975 
1976 static int wpa_supplicant_ctrl_iface_list_networks(
1977 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1978 {
1979 	char *pos, *end;
1980 	struct wpa_ssid *ssid;
1981 	int ret;
1982 
1983 	pos = buf;
1984 	end = buf + buflen;
1985 	ret = os_snprintf(pos, end - pos,
1986 			  "network id / ssid / bssid / flags\n");
1987 	if (ret < 0 || ret >= end - pos)
1988 		return pos - buf;
1989 	pos += ret;
1990 
1991 	ssid = wpa_s->conf->ssid;
1992 	while (ssid) {
1993 		ret = os_snprintf(pos, end - pos, "%d\t%s",
1994 				  ssid->id,
1995 				  wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1996 		if (ret < 0 || ret >= end - pos)
1997 			return pos - buf;
1998 		pos += ret;
1999 		if (ssid->bssid_set) {
2000 			ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2001 					  MAC2STR(ssid->bssid));
2002 		} else {
2003 			ret = os_snprintf(pos, end - pos, "\tany");
2004 		}
2005 		if (ret < 0 || ret >= end - pos)
2006 			return pos - buf;
2007 		pos += ret;
2008 		ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2009 				  ssid == wpa_s->current_ssid ?
2010 				  "[CURRENT]" : "",
2011 				  ssid->disabled ? "[DISABLED]" : "",
2012 				  ssid->disabled_until.sec ?
2013 				  "[TEMP-DISABLED]" : "",
2014 				  ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2015 				  "");
2016 		if (ret < 0 || ret >= end - pos)
2017 			return pos - buf;
2018 		pos += ret;
2019 		ret = os_snprintf(pos, end - pos, "\n");
2020 		if (ret < 0 || ret >= end - pos)
2021 			return pos - buf;
2022 		pos += ret;
2023 
2024 		ssid = ssid->next;
2025 	}
2026 
2027 	return pos - buf;
2028 }
2029 
2030 
2031 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2032 {
2033 	int ret;
2034 	ret = os_snprintf(pos, end - pos, "-");
2035 	if (ret < 0 || ret >= end - pos)
2036 		return pos;
2037 	pos += ret;
2038 	ret = wpa_write_ciphers(pos, end, cipher, "+");
2039 	if (ret < 0)
2040 		return pos;
2041 	pos += ret;
2042 	return pos;
2043 }
2044 
2045 
2046 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2047 				    const u8 *ie, size_t ie_len)
2048 {
2049 	struct wpa_ie_data data;
2050 	int first, ret;
2051 
2052 	ret = os_snprintf(pos, end - pos, "[%s-", proto);
2053 	if (ret < 0 || ret >= end - pos)
2054 		return pos;
2055 	pos += ret;
2056 
2057 	if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2058 		ret = os_snprintf(pos, end - pos, "?]");
2059 		if (ret < 0 || ret >= end - pos)
2060 			return pos;
2061 		pos += ret;
2062 		return pos;
2063 	}
2064 
2065 	first = 1;
2066 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2067 		ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
2068 		if (ret < 0 || ret >= end - pos)
2069 			return pos;
2070 		pos += ret;
2071 		first = 0;
2072 	}
2073 	if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2074 		ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
2075 		if (ret < 0 || ret >= end - pos)
2076 			return pos;
2077 		pos += ret;
2078 		first = 0;
2079 	}
2080 	if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2081 		ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
2082 		if (ret < 0 || ret >= end - pos)
2083 			return pos;
2084 		pos += ret;
2085 		first = 0;
2086 	}
2087 #ifdef CONFIG_IEEE80211R
2088 	if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2089 		ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2090 				  first ? "" : "+");
2091 		if (ret < 0 || ret >= end - pos)
2092 			return pos;
2093 		pos += ret;
2094 		first = 0;
2095 	}
2096 	if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2097 		ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2098 				  first ? "" : "+");
2099 		if (ret < 0 || ret >= end - pos)
2100 			return pos;
2101 		pos += ret;
2102 		first = 0;
2103 	}
2104 #endif /* CONFIG_IEEE80211R */
2105 #ifdef CONFIG_IEEE80211W
2106 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2107 		ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2108 				  first ? "" : "+");
2109 		if (ret < 0 || ret >= end - pos)
2110 			return pos;
2111 		pos += ret;
2112 		first = 0;
2113 	}
2114 	if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2115 		ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2116 				  first ? "" : "+");
2117 		if (ret < 0 || ret >= end - pos)
2118 			return pos;
2119 		pos += ret;
2120 		first = 0;
2121 	}
2122 #endif /* CONFIG_IEEE80211W */
2123 
2124 	pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2125 
2126 	if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2127 		ret = os_snprintf(pos, end - pos, "-preauth");
2128 		if (ret < 0 || ret >= end - pos)
2129 			return pos;
2130 		pos += ret;
2131 	}
2132 
2133 	ret = os_snprintf(pos, end - pos, "]");
2134 	if (ret < 0 || ret >= end - pos)
2135 		return pos;
2136 	pos += ret;
2137 
2138 	return pos;
2139 }
2140 
2141 
2142 #ifdef CONFIG_WPS
2143 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2144 					    char *pos, char *end,
2145 					    struct wpabuf *wps_ie)
2146 {
2147 	int ret;
2148 	const char *txt;
2149 
2150 	if (wps_ie == NULL)
2151 		return pos;
2152 	if (wps_is_selected_pbc_registrar(wps_ie))
2153 		txt = "[WPS-PBC]";
2154 #ifdef CONFIG_WPS2
2155 	else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2156 		txt = "[WPS-AUTH]";
2157 #endif /* CONFIG_WPS2 */
2158 	else if (wps_is_selected_pin_registrar(wps_ie))
2159 		txt = "[WPS-PIN]";
2160 	else
2161 		txt = "[WPS]";
2162 
2163 	ret = os_snprintf(pos, end - pos, "%s", txt);
2164 	if (ret >= 0 && ret < end - pos)
2165 		pos += ret;
2166 	wpabuf_free(wps_ie);
2167 	return pos;
2168 }
2169 #endif /* CONFIG_WPS */
2170 
2171 
2172 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2173 					char *pos, char *end,
2174 					const struct wpa_bss *bss)
2175 {
2176 #ifdef CONFIG_WPS
2177 	struct wpabuf *wps_ie;
2178 	wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2179 	return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2180 #else /* CONFIG_WPS */
2181 	return pos;
2182 #endif /* CONFIG_WPS */
2183 }
2184 
2185 
2186 /* Format one result on one text line into a buffer. */
2187 static int wpa_supplicant_ctrl_iface_scan_result(
2188 	struct wpa_supplicant *wpa_s,
2189 	const struct wpa_bss *bss, char *buf, size_t buflen)
2190 {
2191 	char *pos, *end;
2192 	int ret;
2193 	const u8 *ie, *ie2, *p2p;
2194 
2195 	p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2196 	if (!p2p)
2197 		p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2198 	if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2199 	    os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2200 	    0)
2201 		return 0; /* Do not show P2P listen discovery results here */
2202 
2203 	pos = buf;
2204 	end = buf + buflen;
2205 
2206 	ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2207 			  MAC2STR(bss->bssid), bss->freq, bss->level);
2208 	if (ret < 0 || ret >= end - pos)
2209 		return -1;
2210 	pos += ret;
2211 	ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2212 	if (ie)
2213 		pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2214 	ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2215 	if (ie2)
2216 		pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2217 	pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2218 	if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2219 		ret = os_snprintf(pos, end - pos, "[WEP]");
2220 		if (ret < 0 || ret >= end - pos)
2221 			return -1;
2222 		pos += ret;
2223 	}
2224 	if (bss->caps & IEEE80211_CAP_IBSS) {
2225 		ret = os_snprintf(pos, end - pos, "[IBSS]");
2226 		if (ret < 0 || ret >= end - pos)
2227 			return -1;
2228 		pos += ret;
2229 	}
2230 	if (bss->caps & IEEE80211_CAP_ESS) {
2231 		ret = os_snprintf(pos, end - pos, "[ESS]");
2232 		if (ret < 0 || ret >= end - pos)
2233 			return -1;
2234 		pos += ret;
2235 	}
2236 	if (p2p) {
2237 		ret = os_snprintf(pos, end - pos, "[P2P]");
2238 		if (ret < 0 || ret >= end - pos)
2239 			return -1;
2240 		pos += ret;
2241 	}
2242 #ifdef CONFIG_HS20
2243 	if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2244 		ret = os_snprintf(pos, end - pos, "[HS20]");
2245 		if (ret < 0 || ret >= end - pos)
2246 			return -1;
2247 		pos += ret;
2248 	}
2249 #endif /* CONFIG_HS20 */
2250 
2251 	ret = os_snprintf(pos, end - pos, "\t%s",
2252 			  wpa_ssid_txt(bss->ssid, bss->ssid_len));
2253 	if (ret < 0 || ret >= end - pos)
2254 		return -1;
2255 	pos += ret;
2256 
2257 	ret = os_snprintf(pos, end - pos, "\n");
2258 	if (ret < 0 || ret >= end - pos)
2259 		return -1;
2260 	pos += ret;
2261 
2262 	return pos - buf;
2263 }
2264 
2265 
2266 static int wpa_supplicant_ctrl_iface_scan_results(
2267 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2268 {
2269 	char *pos, *end;
2270 	struct wpa_bss *bss;
2271 	int ret;
2272 
2273 	pos = buf;
2274 	end = buf + buflen;
2275 	ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2276 			  "flags / ssid\n");
2277 	if (ret < 0 || ret >= end - pos)
2278 		return pos - buf;
2279 	pos += ret;
2280 
2281 	dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2282 		ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2283 							    end - pos);
2284 		if (ret < 0 || ret >= end - pos)
2285 			return pos - buf;
2286 		pos += ret;
2287 	}
2288 
2289 	return pos - buf;
2290 }
2291 
2292 
2293 static int wpa_supplicant_ctrl_iface_select_network(
2294 	struct wpa_supplicant *wpa_s, char *cmd)
2295 {
2296 	int id;
2297 	struct wpa_ssid *ssid;
2298 
2299 	/* cmd: "<network id>" or "any" */
2300 	if (os_strcmp(cmd, "any") == 0) {
2301 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2302 		ssid = NULL;
2303 	} else {
2304 		id = atoi(cmd);
2305 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2306 
2307 		ssid = wpa_config_get_network(wpa_s->conf, id);
2308 		if (ssid == NULL) {
2309 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2310 				   "network id=%d", id);
2311 			return -1;
2312 		}
2313 		if (ssid->disabled == 2) {
2314 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2315 				   "SELECT_NETWORK with persistent P2P group");
2316 			return -1;
2317 		}
2318 	}
2319 
2320 	wpa_supplicant_select_network(wpa_s, ssid);
2321 
2322 	return 0;
2323 }
2324 
2325 
2326 static int wpa_supplicant_ctrl_iface_enable_network(
2327 	struct wpa_supplicant *wpa_s, char *cmd)
2328 {
2329 	int id;
2330 	struct wpa_ssid *ssid;
2331 
2332 	/* cmd: "<network id>" or "all" */
2333 	if (os_strcmp(cmd, "all") == 0) {
2334 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2335 		ssid = NULL;
2336 	} else {
2337 		id = atoi(cmd);
2338 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2339 
2340 		ssid = wpa_config_get_network(wpa_s->conf, id);
2341 		if (ssid == NULL) {
2342 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2343 				   "network id=%d", id);
2344 			return -1;
2345 		}
2346 		if (ssid->disabled == 2) {
2347 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2348 				   "ENABLE_NETWORK with persistent P2P group");
2349 			return -1;
2350 		}
2351 
2352 		if (os_strstr(cmd, " no-connect")) {
2353 			ssid->disabled = 0;
2354 			return 0;
2355 		}
2356 	}
2357 	wpa_supplicant_enable_network(wpa_s, ssid);
2358 
2359 	return 0;
2360 }
2361 
2362 
2363 static int wpa_supplicant_ctrl_iface_disable_network(
2364 	struct wpa_supplicant *wpa_s, char *cmd)
2365 {
2366 	int id;
2367 	struct wpa_ssid *ssid;
2368 
2369 	/* cmd: "<network id>" or "all" */
2370 	if (os_strcmp(cmd, "all") == 0) {
2371 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2372 		ssid = NULL;
2373 	} else {
2374 		id = atoi(cmd);
2375 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2376 
2377 		ssid = wpa_config_get_network(wpa_s->conf, id);
2378 		if (ssid == NULL) {
2379 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2380 				   "network id=%d", id);
2381 			return -1;
2382 		}
2383 		if (ssid->disabled == 2) {
2384 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2385 				   "DISABLE_NETWORK with persistent P2P "
2386 				   "group");
2387 			return -1;
2388 		}
2389 	}
2390 	wpa_supplicant_disable_network(wpa_s, ssid);
2391 
2392 	return 0;
2393 }
2394 
2395 
2396 static int wpa_supplicant_ctrl_iface_add_network(
2397 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2398 {
2399 	struct wpa_ssid *ssid;
2400 	int ret;
2401 
2402 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2403 
2404 	ssid = wpa_config_add_network(wpa_s->conf);
2405 	if (ssid == NULL)
2406 		return -1;
2407 
2408 	wpas_notify_network_added(wpa_s, ssid);
2409 
2410 	ssid->disabled = 1;
2411 	wpa_config_set_network_defaults(ssid);
2412 
2413 	ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2414 	if (ret < 0 || (size_t) ret >= buflen)
2415 		return -1;
2416 	return ret;
2417 }
2418 
2419 
2420 static int wpa_supplicant_ctrl_iface_remove_network(
2421 	struct wpa_supplicant *wpa_s, char *cmd)
2422 {
2423 	int id;
2424 	struct wpa_ssid *ssid;
2425 	int was_disabled;
2426 
2427 	/* cmd: "<network id>" or "all" */
2428 	if (os_strcmp(cmd, "all") == 0) {
2429 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2430 		if (wpa_s->sched_scanning)
2431 			wpa_supplicant_cancel_sched_scan(wpa_s);
2432 
2433 		eapol_sm_invalidate_cached_session(wpa_s->eapol);
2434 		if (wpa_s->current_ssid) {
2435 #ifdef CONFIG_SME
2436 			wpa_s->sme.prev_bssid_set = 0;
2437 #endif /* CONFIG_SME */
2438 			wpa_sm_set_config(wpa_s->wpa, NULL);
2439 			eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2440 			wpa_supplicant_deauthenticate(
2441 				wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2442 		}
2443 		ssid = wpa_s->conf->ssid;
2444 		while (ssid) {
2445 			struct wpa_ssid *remove_ssid = ssid;
2446 			id = ssid->id;
2447 			ssid = ssid->next;
2448 			wpas_notify_network_removed(wpa_s, remove_ssid);
2449 			wpa_config_remove_network(wpa_s->conf, id);
2450 		}
2451 		return 0;
2452 	}
2453 
2454 	id = atoi(cmd);
2455 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2456 
2457 	ssid = wpa_config_get_network(wpa_s->conf, id);
2458 	if (ssid)
2459 		wpas_notify_network_removed(wpa_s, ssid);
2460 	if (ssid == NULL) {
2461 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2462 			   "id=%d", id);
2463 		return -1;
2464 	}
2465 
2466 	if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2467 #ifdef CONFIG_SME
2468 		wpa_s->sme.prev_bssid_set = 0;
2469 #endif /* CONFIG_SME */
2470 		/*
2471 		 * Invalidate the EAP session cache if the current or
2472 		 * previously used network is removed.
2473 		 */
2474 		eapol_sm_invalidate_cached_session(wpa_s->eapol);
2475 	}
2476 
2477 	if (ssid == wpa_s->current_ssid) {
2478 		wpa_sm_set_config(wpa_s->wpa, NULL);
2479 		eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2480 
2481 		wpa_supplicant_deauthenticate(wpa_s,
2482 					      WLAN_REASON_DEAUTH_LEAVING);
2483 	}
2484 
2485 	was_disabled = ssid->disabled;
2486 
2487 	if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2488 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2489 			   "network id=%d", id);
2490 		return -1;
2491 	}
2492 
2493 	if (!was_disabled && wpa_s->sched_scanning) {
2494 		wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2495 			   "network from filters");
2496 		wpa_supplicant_cancel_sched_scan(wpa_s);
2497 		wpa_supplicant_req_scan(wpa_s, 0, 0);
2498 	}
2499 
2500 	return 0;
2501 }
2502 
2503 
2504 static int wpa_supplicant_ctrl_iface_set_network(
2505 	struct wpa_supplicant *wpa_s, char *cmd)
2506 {
2507 	int id;
2508 	struct wpa_ssid *ssid;
2509 	char *name, *value;
2510 
2511 	/* cmd: "<network id> <variable name> <value>" */
2512 	name = os_strchr(cmd, ' ');
2513 	if (name == NULL)
2514 		return -1;
2515 	*name++ = '\0';
2516 
2517 	value = os_strchr(name, ' ');
2518 	if (value == NULL)
2519 		return -1;
2520 	*value++ = '\0';
2521 
2522 	id = atoi(cmd);
2523 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2524 		   id, name);
2525 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2526 			      (u8 *) value, os_strlen(value));
2527 
2528 	ssid = wpa_config_get_network(wpa_s->conf, id);
2529 	if (ssid == NULL) {
2530 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2531 			   "id=%d", id);
2532 		return -1;
2533 	}
2534 
2535 	if (wpa_config_set(ssid, name, value, 0) < 0) {
2536 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2537 			   "variable '%s'", name);
2538 		return -1;
2539 	}
2540 
2541 	if (os_strcmp(name, "bssid") != 0 &&
2542 	    os_strcmp(name, "priority") != 0)
2543 		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2544 
2545 	if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2546 		/*
2547 		 * Invalidate the EAP session cache if anything in the current
2548 		 * or previously used configuration changes.
2549 		 */
2550 		eapol_sm_invalidate_cached_session(wpa_s->eapol);
2551 	}
2552 
2553 	if ((os_strcmp(name, "psk") == 0 &&
2554 	     value[0] == '"' && ssid->ssid_len) ||
2555 	    (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2556 		wpa_config_update_psk(ssid);
2557 	else if (os_strcmp(name, "priority") == 0)
2558 		wpa_config_update_prio_list(wpa_s->conf);
2559 
2560 	return 0;
2561 }
2562 
2563 
2564 static int wpa_supplicant_ctrl_iface_get_network(
2565 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2566 {
2567 	int id;
2568 	size_t res;
2569 	struct wpa_ssid *ssid;
2570 	char *name, *value;
2571 
2572 	/* cmd: "<network id> <variable name>" */
2573 	name = os_strchr(cmd, ' ');
2574 	if (name == NULL || buflen == 0)
2575 		return -1;
2576 	*name++ = '\0';
2577 
2578 	id = atoi(cmd);
2579 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2580 		   id, name);
2581 
2582 	ssid = wpa_config_get_network(wpa_s->conf, id);
2583 	if (ssid == NULL) {
2584 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2585 			   "id=%d", id);
2586 		return -1;
2587 	}
2588 
2589 	value = wpa_config_get_no_key(ssid, name);
2590 	if (value == NULL) {
2591 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2592 			   "variable '%s'", name);
2593 		return -1;
2594 	}
2595 
2596 	res = os_strlcpy(buf, value, buflen);
2597 	if (res >= buflen) {
2598 		os_free(value);
2599 		return -1;
2600 	}
2601 
2602 	os_free(value);
2603 
2604 	return res;
2605 }
2606 
2607 
2608 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2609 						char *buf, size_t buflen)
2610 {
2611 	char *pos, *end;
2612 	struct wpa_cred *cred;
2613 	int ret;
2614 
2615 	pos = buf;
2616 	end = buf + buflen;
2617 	ret = os_snprintf(pos, end - pos,
2618 			  "cred id / realm / username / domain / imsi\n");
2619 	if (ret < 0 || ret >= end - pos)
2620 		return pos - buf;
2621 	pos += ret;
2622 
2623 	cred = wpa_s->conf->cred;
2624 	while (cred) {
2625 		ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2626 				  cred->id, cred->realm ? cred->realm : "",
2627 				  cred->username ? cred->username : "",
2628 				  cred->domain ? cred->domain[0] : "",
2629 				  cred->imsi ? cred->imsi : "");
2630 		if (ret < 0 || ret >= end - pos)
2631 			return pos - buf;
2632 		pos += ret;
2633 
2634 		cred = cred->next;
2635 	}
2636 
2637 	return pos - buf;
2638 }
2639 
2640 
2641 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2642 					      char *buf, size_t buflen)
2643 {
2644 	struct wpa_cred *cred;
2645 	int ret;
2646 
2647 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2648 
2649 	cred = wpa_config_add_cred(wpa_s->conf);
2650 	if (cred == NULL)
2651 		return -1;
2652 
2653 	ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2654 	if (ret < 0 || (size_t) ret >= buflen)
2655 		return -1;
2656 	return ret;
2657 }
2658 
2659 
2660 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2661 				 struct wpa_cred *cred)
2662 {
2663 	struct wpa_ssid *ssid;
2664 	char str[20];
2665 
2666 	if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2667 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2668 		return -1;
2669 	}
2670 
2671 	/* Remove any network entry created based on the removed credential */
2672 	ssid = wpa_s->conf->ssid;
2673 	while (ssid) {
2674 		if (ssid->parent_cred == cred) {
2675 			wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2676 				   "used the removed credential", ssid->id);
2677 			os_snprintf(str, sizeof(str), "%d", ssid->id);
2678 			ssid = ssid->next;
2679 			wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2680 		} else
2681 			ssid = ssid->next;
2682 	}
2683 
2684 	return 0;
2685 }
2686 
2687 
2688 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2689 						 char *cmd)
2690 {
2691 	int id;
2692 	struct wpa_cred *cred, *prev;
2693 
2694 	/* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2695 	if (os_strcmp(cmd, "all") == 0) {
2696 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2697 		cred = wpa_s->conf->cred;
2698 		while (cred) {
2699 			prev = cred;
2700 			cred = cred->next;
2701 			wpas_ctrl_remove_cred(wpa_s, prev);
2702 		}
2703 		return 0;
2704 	}
2705 
2706 	if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2707 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2708 			   cmd + 8);
2709 		cred = wpa_s->conf->cred;
2710 		while (cred) {
2711 			prev = cred;
2712 			cred = cred->next;
2713 			if (prev->domain) {
2714 				size_t i;
2715 				for (i = 0; i < prev->num_domain; i++) {
2716 					if (os_strcmp(prev->domain[i], cmd + 8)
2717 					    != 0)
2718 						continue;
2719 					wpas_ctrl_remove_cred(wpa_s, prev);
2720 					break;
2721 				}
2722 			}
2723 		}
2724 		return 0;
2725 	}
2726 
2727 	id = atoi(cmd);
2728 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2729 
2730 	cred = wpa_config_get_cred(wpa_s->conf, id);
2731 	return wpas_ctrl_remove_cred(wpa_s, cred);
2732 }
2733 
2734 
2735 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2736 					      char *cmd)
2737 {
2738 	int id;
2739 	struct wpa_cred *cred;
2740 	char *name, *value;
2741 
2742 	/* cmd: "<cred id> <variable name> <value>" */
2743 	name = os_strchr(cmd, ' ');
2744 	if (name == NULL)
2745 		return -1;
2746 	*name++ = '\0';
2747 
2748 	value = os_strchr(name, ' ');
2749 	if (value == NULL)
2750 		return -1;
2751 	*value++ = '\0';
2752 
2753 	id = atoi(cmd);
2754 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2755 		   id, name);
2756 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2757 			      (u8 *) value, os_strlen(value));
2758 
2759 	cred = wpa_config_get_cred(wpa_s->conf, id);
2760 	if (cred == NULL) {
2761 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2762 			   id);
2763 		return -1;
2764 	}
2765 
2766 	if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2767 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2768 			   "variable '%s'", name);
2769 		return -1;
2770 	}
2771 
2772 	return 0;
2773 }
2774 
2775 
2776 #ifndef CONFIG_NO_CONFIG_WRITE
2777 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2778 {
2779 	int ret;
2780 
2781 	if (!wpa_s->conf->update_config) {
2782 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2783 			   "to update configuration (update_config=0)");
2784 		return -1;
2785 	}
2786 
2787 	ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2788 	if (ret) {
2789 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2790 			   "update configuration");
2791 	} else {
2792 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2793 			   " updated");
2794 	}
2795 
2796 	return ret;
2797 }
2798 #endif /* CONFIG_NO_CONFIG_WRITE */
2799 
2800 
2801 struct cipher_info {
2802 	unsigned int capa;
2803 	const char *name;
2804 	int group_only;
2805 };
2806 
2807 static const struct cipher_info ciphers[] = {
2808 	{ WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
2809 	{ WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
2810 	{ WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
2811 	{ WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
2812 	{ WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
2813 	{ WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
2814 	{ WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
2815 	{ WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
2816 };
2817 
2818 
2819 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2820 					      struct wpa_driver_capa *capa,
2821 					      char *buf, size_t buflen)
2822 {
2823 	int ret, first = 1;
2824 	char *pos, *end;
2825 	size_t len;
2826 	unsigned int i;
2827 
2828 	pos = buf;
2829 	end = pos + buflen;
2830 
2831 	if (res < 0) {
2832 		if (strict)
2833 			return 0;
2834 		len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2835 		if (len >= buflen)
2836 			return -1;
2837 		return len;
2838 	}
2839 
2840 	for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2841 		if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
2842 			ret = os_snprintf(pos, end - pos, "%s%s",
2843 					  first ? "" : " ", ciphers[i].name);
2844 			if (ret < 0 || ret >= end - pos)
2845 				return pos - buf;
2846 			pos += ret;
2847 			first = 0;
2848 		}
2849 	}
2850 
2851 	return pos - buf;
2852 }
2853 
2854 
2855 static int ctrl_iface_get_capability_group(int res, char *strict,
2856 					   struct wpa_driver_capa *capa,
2857 					   char *buf, size_t buflen)
2858 {
2859 	int ret, first = 1;
2860 	char *pos, *end;
2861 	size_t len;
2862 	unsigned int i;
2863 
2864 	pos = buf;
2865 	end = pos + buflen;
2866 
2867 	if (res < 0) {
2868 		if (strict)
2869 			return 0;
2870 		len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2871 		if (len >= buflen)
2872 			return -1;
2873 		return len;
2874 	}
2875 
2876 	for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2877 		if (capa->enc & ciphers[i].capa) {
2878 			ret = os_snprintf(pos, end - pos, "%s%s",
2879 					  first ? "" : " ", ciphers[i].name);
2880 			if (ret < 0 || ret >= end - pos)
2881 				return pos - buf;
2882 			pos += ret;
2883 			first = 0;
2884 		}
2885 	}
2886 
2887 	return pos - buf;
2888 }
2889 
2890 
2891 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2892 					      struct wpa_driver_capa *capa,
2893 					      char *buf, size_t buflen)
2894 {
2895 	int ret;
2896 	char *pos, *end;
2897 	size_t len;
2898 
2899 	pos = buf;
2900 	end = pos + buflen;
2901 
2902 	if (res < 0) {
2903 		if (strict)
2904 			return 0;
2905 		len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2906 				 "NONE", buflen);
2907 		if (len >= buflen)
2908 			return -1;
2909 		return len;
2910 	}
2911 
2912 	ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2913 	if (ret < 0 || ret >= end - pos)
2914 		return pos - buf;
2915 	pos += ret;
2916 
2917 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2918 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2919 		ret = os_snprintf(pos, end - pos, " WPA-EAP");
2920 		if (ret < 0 || ret >= end - pos)
2921 			return pos - buf;
2922 		pos += ret;
2923 	}
2924 
2925 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2926 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2927 		ret = os_snprintf(pos, end - pos, " WPA-PSK");
2928 		if (ret < 0 || ret >= end - pos)
2929 			return pos - buf;
2930 		pos += ret;
2931 	}
2932 
2933 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2934 		ret = os_snprintf(pos, end - pos, " WPA-NONE");
2935 		if (ret < 0 || ret >= end - pos)
2936 			return pos - buf;
2937 		pos += ret;
2938 	}
2939 
2940 	return pos - buf;
2941 }
2942 
2943 
2944 static int ctrl_iface_get_capability_proto(int res, char *strict,
2945 					   struct wpa_driver_capa *capa,
2946 					   char *buf, size_t buflen)
2947 {
2948 	int ret, first = 1;
2949 	char *pos, *end;
2950 	size_t len;
2951 
2952 	pos = buf;
2953 	end = pos + buflen;
2954 
2955 	if (res < 0) {
2956 		if (strict)
2957 			return 0;
2958 		len = os_strlcpy(buf, "RSN WPA", buflen);
2959 		if (len >= buflen)
2960 			return -1;
2961 		return len;
2962 	}
2963 
2964 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2965 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2966 		ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2967 		if (ret < 0 || ret >= end - pos)
2968 			return pos - buf;
2969 		pos += ret;
2970 		first = 0;
2971 	}
2972 
2973 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2974 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2975 		ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2976 		if (ret < 0 || ret >= end - pos)
2977 			return pos - buf;
2978 		pos += ret;
2979 		first = 0;
2980 	}
2981 
2982 	return pos - buf;
2983 }
2984 
2985 
2986 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2987 					      struct wpa_driver_capa *capa,
2988 					      char *buf, size_t buflen)
2989 {
2990 	int ret, first = 1;
2991 	char *pos, *end;
2992 	size_t len;
2993 
2994 	pos = buf;
2995 	end = pos + buflen;
2996 
2997 	if (res < 0) {
2998 		if (strict)
2999 			return 0;
3000 		len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3001 		if (len >= buflen)
3002 			return -1;
3003 		return len;
3004 	}
3005 
3006 	if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3007 		ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
3008 		if (ret < 0 || ret >= end - pos)
3009 			return pos - buf;
3010 		pos += ret;
3011 		first = 0;
3012 	}
3013 
3014 	if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3015 		ret = os_snprintf(pos, end - pos, "%sSHARED",
3016 				  first ? "" : " ");
3017 		if (ret < 0 || ret >= end - pos)
3018 			return pos - buf;
3019 		pos += ret;
3020 		first = 0;
3021 	}
3022 
3023 	if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3024 		ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
3025 		if (ret < 0 || ret >= end - pos)
3026 			return pos - buf;
3027 		pos += ret;
3028 		first = 0;
3029 	}
3030 
3031 	return pos - buf;
3032 }
3033 
3034 
3035 static int ctrl_iface_get_capability_modes(int res, char *strict,
3036 					   struct wpa_driver_capa *capa,
3037 					   char *buf, size_t buflen)
3038 {
3039 	int ret, first = 1;
3040 	char *pos, *end;
3041 	size_t len;
3042 
3043 	pos = buf;
3044 	end = pos + buflen;
3045 
3046 	if (res < 0) {
3047 		if (strict)
3048 			return 0;
3049 		len = os_strlcpy(buf, "IBSS AP", buflen);
3050 		if (len >= buflen)
3051 			return -1;
3052 		return len;
3053 	}
3054 
3055 	if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3056 		ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
3057 		if (ret < 0 || ret >= end - pos)
3058 			return pos - buf;
3059 		pos += ret;
3060 		first = 0;
3061 	}
3062 
3063 	if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3064 		ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
3065 		if (ret < 0 || ret >= end - pos)
3066 			return pos - buf;
3067 		pos += ret;
3068 		first = 0;
3069 	}
3070 
3071 	return pos - buf;
3072 }
3073 
3074 
3075 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3076 					      char *buf, size_t buflen)
3077 {
3078 	struct hostapd_channel_data *chnl;
3079 	int ret, i, j;
3080 	char *pos, *end, *hmode;
3081 
3082 	pos = buf;
3083 	end = pos + buflen;
3084 
3085 	for (j = 0; j < wpa_s->hw.num_modes; j++) {
3086 		switch (wpa_s->hw.modes[j].mode) {
3087 		case HOSTAPD_MODE_IEEE80211B:
3088 			hmode = "B";
3089 			break;
3090 		case HOSTAPD_MODE_IEEE80211G:
3091 			hmode = "G";
3092 			break;
3093 		case HOSTAPD_MODE_IEEE80211A:
3094 			hmode = "A";
3095 			break;
3096 		case HOSTAPD_MODE_IEEE80211AD:
3097 			hmode = "AD";
3098 			break;
3099 		default:
3100 			continue;
3101 		}
3102 		ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3103 		if (ret < 0 || ret >= end - pos)
3104 			return pos - buf;
3105 		pos += ret;
3106 		chnl = wpa_s->hw.modes[j].channels;
3107 		for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3108 			if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3109 				continue;
3110 			ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3111 			if (ret < 0 || ret >= end - pos)
3112 				return pos - buf;
3113 			pos += ret;
3114 		}
3115 		ret = os_snprintf(pos, end - pos, "\n");
3116 		if (ret < 0 || ret >= end - pos)
3117 			return pos - buf;
3118 		pos += ret;
3119 	}
3120 
3121 	return pos - buf;
3122 }
3123 
3124 
3125 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3126 					  char *buf, size_t buflen)
3127 {
3128 	struct hostapd_channel_data *chnl;
3129 	int ret, i, j;
3130 	char *pos, *end, *hmode;
3131 
3132 	pos = buf;
3133 	end = pos + buflen;
3134 
3135 	for (j = 0; j < wpa_s->hw.num_modes; j++) {
3136 		switch (wpa_s->hw.modes[j].mode) {
3137 		case HOSTAPD_MODE_IEEE80211B:
3138 			hmode = "B";
3139 			break;
3140 		case HOSTAPD_MODE_IEEE80211G:
3141 			hmode = "G";
3142 			break;
3143 		case HOSTAPD_MODE_IEEE80211A:
3144 			hmode = "A";
3145 			break;
3146 		case HOSTAPD_MODE_IEEE80211AD:
3147 			hmode = "AD";
3148 			break;
3149 		default:
3150 			continue;
3151 		}
3152 		ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3153 				  hmode);
3154 		if (ret < 0 || ret >= end - pos)
3155 			return pos - buf;
3156 		pos += ret;
3157 		chnl = wpa_s->hw.modes[j].channels;
3158 		for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3159 			if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3160 				continue;
3161 			ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3162 					  chnl[i].chan, chnl[i].freq,
3163 					  chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3164 					  " (NO_IBSS)" : "");
3165 			if (ret < 0 || ret >= end - pos)
3166 				return pos - buf;
3167 			pos += ret;
3168 		}
3169 		ret = os_snprintf(pos, end - pos, "\n");
3170 		if (ret < 0 || ret >= end - pos)
3171 			return pos - buf;
3172 		pos += ret;
3173 	}
3174 
3175 	return pos - buf;
3176 }
3177 
3178 
3179 static int wpa_supplicant_ctrl_iface_get_capability(
3180 	struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3181 	size_t buflen)
3182 {
3183 	struct wpa_driver_capa capa;
3184 	int res;
3185 	char *strict;
3186 	char field[30];
3187 	size_t len;
3188 
3189 	/* Determine whether or not strict checking was requested */
3190 	len = os_strlcpy(field, _field, sizeof(field));
3191 	if (len >= sizeof(field))
3192 		return -1;
3193 	strict = os_strchr(field, ' ');
3194 	if (strict != NULL) {
3195 		*strict++ = '\0';
3196 		if (os_strcmp(strict, "strict") != 0)
3197 			return -1;
3198 	}
3199 
3200 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3201 		field, strict ? strict : "");
3202 
3203 	if (os_strcmp(field, "eap") == 0) {
3204 		return eap_get_names(buf, buflen);
3205 	}
3206 
3207 	res = wpa_drv_get_capa(wpa_s, &capa);
3208 
3209 	if (os_strcmp(field, "pairwise") == 0)
3210 		return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3211 							  buf, buflen);
3212 
3213 	if (os_strcmp(field, "group") == 0)
3214 		return ctrl_iface_get_capability_group(res, strict, &capa,
3215 						       buf, buflen);
3216 
3217 	if (os_strcmp(field, "key_mgmt") == 0)
3218 		return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3219 							  buf, buflen);
3220 
3221 	if (os_strcmp(field, "proto") == 0)
3222 		return ctrl_iface_get_capability_proto(res, strict, &capa,
3223 						       buf, buflen);
3224 
3225 	if (os_strcmp(field, "auth_alg") == 0)
3226 		return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3227 							  buf, buflen);
3228 
3229 	if (os_strcmp(field, "modes") == 0)
3230 		return ctrl_iface_get_capability_modes(res, strict, &capa,
3231 						       buf, buflen);
3232 
3233 	if (os_strcmp(field, "channels") == 0)
3234 		return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3235 
3236 	if (os_strcmp(field, "freq") == 0)
3237 		return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3238 
3239 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3240 		   field);
3241 
3242 	return -1;
3243 }
3244 
3245 
3246 #ifdef CONFIG_INTERWORKING
3247 static char * anqp_add_hex(char *pos, char *end, const char *title,
3248 			   struct wpabuf *data)
3249 {
3250 	char *start = pos;
3251 	size_t i;
3252 	int ret;
3253 	const u8 *d;
3254 
3255 	if (data == NULL)
3256 		return start;
3257 
3258 	ret = os_snprintf(pos, end - pos, "%s=", title);
3259 	if (ret < 0 || ret >= end - pos)
3260 		return start;
3261 	pos += ret;
3262 
3263 	d = wpabuf_head_u8(data);
3264 	for (i = 0; i < wpabuf_len(data); i++) {
3265 		ret = os_snprintf(pos, end - pos, "%02x", *d++);
3266 		if (ret < 0 || ret >= end - pos)
3267 			return start;
3268 		pos += ret;
3269 	}
3270 
3271 	ret = os_snprintf(pos, end - pos, "\n");
3272 	if (ret < 0 || ret >= end - pos)
3273 		return start;
3274 	pos += ret;
3275 
3276 	return pos;
3277 }
3278 #endif /* CONFIG_INTERWORKING */
3279 
3280 
3281 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3282 			  unsigned long mask, char *buf, size_t buflen)
3283 {
3284 	size_t i;
3285 	int ret;
3286 	char *pos, *end;
3287 	const u8 *ie, *ie2;
3288 
3289 	pos = buf;
3290 	end = buf + buflen;
3291 
3292 	if (mask & WPA_BSS_MASK_ID) {
3293 		ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3294 		if (ret < 0 || ret >= end - pos)
3295 			return 0;
3296 		pos += ret;
3297 	}
3298 
3299 	if (mask & WPA_BSS_MASK_BSSID) {
3300 		ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3301 				  MAC2STR(bss->bssid));
3302 		if (ret < 0 || ret >= end - pos)
3303 			return 0;
3304 		pos += ret;
3305 	}
3306 
3307 	if (mask & WPA_BSS_MASK_FREQ) {
3308 		ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3309 		if (ret < 0 || ret >= end - pos)
3310 			return 0;
3311 		pos += ret;
3312 	}
3313 
3314 	if (mask & WPA_BSS_MASK_BEACON_INT) {
3315 		ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3316 				  bss->beacon_int);
3317 		if (ret < 0 || ret >= end - pos)
3318 			return 0;
3319 		pos += ret;
3320 	}
3321 
3322 	if (mask & WPA_BSS_MASK_CAPABILITIES) {
3323 		ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3324 				  bss->caps);
3325 		if (ret < 0 || ret >= end - pos)
3326 			return 0;
3327 		pos += ret;
3328 	}
3329 
3330 	if (mask & WPA_BSS_MASK_QUAL) {
3331 		ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3332 		if (ret < 0 || ret >= end - pos)
3333 			return 0;
3334 		pos += ret;
3335 	}
3336 
3337 	if (mask & WPA_BSS_MASK_NOISE) {
3338 		ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3339 		if (ret < 0 || ret >= end - pos)
3340 			return 0;
3341 		pos += ret;
3342 	}
3343 
3344 	if (mask & WPA_BSS_MASK_LEVEL) {
3345 		ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3346 		if (ret < 0 || ret >= end - pos)
3347 			return 0;
3348 		pos += ret;
3349 	}
3350 
3351 	if (mask & WPA_BSS_MASK_TSF) {
3352 		ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3353 				  (unsigned long long) bss->tsf);
3354 		if (ret < 0 || ret >= end - pos)
3355 			return 0;
3356 		pos += ret;
3357 	}
3358 
3359 	if (mask & WPA_BSS_MASK_AGE) {
3360 		struct os_reltime now;
3361 
3362 		os_get_reltime(&now);
3363 		ret = os_snprintf(pos, end - pos, "age=%d\n",
3364 				  (int) (now.sec - bss->last_update.sec));
3365 		if (ret < 0 || ret >= end - pos)
3366 			return 0;
3367 		pos += ret;
3368 	}
3369 
3370 	if (mask & WPA_BSS_MASK_IE) {
3371 		ret = os_snprintf(pos, end - pos, "ie=");
3372 		if (ret < 0 || ret >= end - pos)
3373 			return 0;
3374 		pos += ret;
3375 
3376 		ie = (const u8 *) (bss + 1);
3377 		for (i = 0; i < bss->ie_len; i++) {
3378 			ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3379 			if (ret < 0 || ret >= end - pos)
3380 				return 0;
3381 			pos += ret;
3382 		}
3383 
3384 		ret = os_snprintf(pos, end - pos, "\n");
3385 		if (ret < 0 || ret >= end - pos)
3386 			return 0;
3387 		pos += ret;
3388 	}
3389 
3390 	if (mask & WPA_BSS_MASK_FLAGS) {
3391 		ret = os_snprintf(pos, end - pos, "flags=");
3392 		if (ret < 0 || ret >= end - pos)
3393 			return 0;
3394 		pos += ret;
3395 
3396 		ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3397 		if (ie)
3398 			pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3399 						    2 + ie[1]);
3400 		ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3401 		if (ie2)
3402 			pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3403 						    2 + ie2[1]);
3404 		pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3405 		if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3406 			ret = os_snprintf(pos, end - pos, "[WEP]");
3407 			if (ret < 0 || ret >= end - pos)
3408 				return 0;
3409 			pos += ret;
3410 		}
3411 		if (bss->caps & IEEE80211_CAP_IBSS) {
3412 			ret = os_snprintf(pos, end - pos, "[IBSS]");
3413 			if (ret < 0 || ret >= end - pos)
3414 				return 0;
3415 			pos += ret;
3416 		}
3417 		if (bss->caps & IEEE80211_CAP_ESS) {
3418 			ret = os_snprintf(pos, end - pos, "[ESS]");
3419 			if (ret < 0 || ret >= end - pos)
3420 				return 0;
3421 			pos += ret;
3422 		}
3423 		if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3424 		    wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3425 			ret = os_snprintf(pos, end - pos, "[P2P]");
3426 			if (ret < 0 || ret >= end - pos)
3427 				return 0;
3428 			pos += ret;
3429 		}
3430 #ifdef CONFIG_HS20
3431 		if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3432 			ret = os_snprintf(pos, end - pos, "[HS20]");
3433 			if (ret < 0 || ret >= end - pos)
3434 				return 0;
3435 			pos += ret;
3436 		}
3437 #endif /* CONFIG_HS20 */
3438 
3439 		ret = os_snprintf(pos, end - pos, "\n");
3440 		if (ret < 0 || ret >= end - pos)
3441 			return 0;
3442 		pos += ret;
3443 	}
3444 
3445 	if (mask & WPA_BSS_MASK_SSID) {
3446 		ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3447 				  wpa_ssid_txt(bss->ssid, bss->ssid_len));
3448 		if (ret < 0 || ret >= end - pos)
3449 			return 0;
3450 		pos += ret;
3451 	}
3452 
3453 #ifdef CONFIG_WPS
3454 	if (mask & WPA_BSS_MASK_WPS_SCAN) {
3455 		ie = (const u8 *) (bss + 1);
3456 		ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3457 		if (ret < 0 || ret >= end - pos)
3458 			return 0;
3459 		pos += ret;
3460 	}
3461 #endif /* CONFIG_WPS */
3462 
3463 #ifdef CONFIG_P2P
3464 	if (mask & WPA_BSS_MASK_P2P_SCAN) {
3465 		ie = (const u8 *) (bss + 1);
3466 		ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3467 		if (ret < 0 || ret >= end - pos)
3468 			return 0;
3469 		pos += ret;
3470 	}
3471 #endif /* CONFIG_P2P */
3472 
3473 #ifdef CONFIG_WIFI_DISPLAY
3474 	if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3475 		struct wpabuf *wfd;
3476 		ie = (const u8 *) (bss + 1);
3477 		wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3478 						  WFD_IE_VENDOR_TYPE);
3479 		if (wfd) {
3480 			ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3481 			if (ret < 0 || ret >= end - pos)
3482 				return 0;
3483 			pos += ret;
3484 
3485 			pos += wpa_snprintf_hex(pos, end - pos,
3486 						wpabuf_head(wfd),
3487 						wpabuf_len(wfd));
3488 			wpabuf_free(wfd);
3489 
3490 			ret = os_snprintf(pos, end - pos, "\n");
3491 			if (ret < 0 || ret >= end - pos)
3492 				return 0;
3493 			pos += ret;
3494 		}
3495 	}
3496 #endif /* CONFIG_WIFI_DISPLAY */
3497 
3498 #ifdef CONFIG_INTERWORKING
3499 	if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3500 		struct wpa_bss_anqp *anqp = bss->anqp;
3501 		pos = anqp_add_hex(pos, end, "anqp_venue_name",
3502 				   anqp->venue_name);
3503 		pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3504 				   anqp->network_auth_type);
3505 		pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3506 				   anqp->roaming_consortium);
3507 		pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3508 				   anqp->ip_addr_type_availability);
3509 		pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3510 				   anqp->nai_realm);
3511 		pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3512 		pos = anqp_add_hex(pos, end, "anqp_domain_name",
3513 				   anqp->domain_name);
3514 #ifdef CONFIG_HS20
3515 		pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3516 				   anqp->hs20_operator_friendly_name);
3517 		pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3518 				   anqp->hs20_wan_metrics);
3519 		pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3520 				   anqp->hs20_connection_capability);
3521 #endif /* CONFIG_HS20 */
3522 	}
3523 #endif /* CONFIG_INTERWORKING */
3524 
3525 	if (mask & WPA_BSS_MASK_DELIM) {
3526 		ret = os_snprintf(pos, end - pos, "====\n");
3527 		if (ret < 0 || ret >= end - pos)
3528 			return 0;
3529 		pos += ret;
3530 	}
3531 
3532 	return pos - buf;
3533 }
3534 
3535 
3536 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3537 					 const char *cmd, char *buf,
3538 					 size_t buflen)
3539 {
3540 	u8 bssid[ETH_ALEN];
3541 	size_t i;
3542 	struct wpa_bss *bss;
3543 	struct wpa_bss *bsslast = NULL;
3544 	struct dl_list *next;
3545 	int ret = 0;
3546 	int len;
3547 	char *ctmp;
3548 	unsigned long mask = WPA_BSS_MASK_ALL;
3549 
3550 	if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3551 		if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3552 			bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3553 					    list_id);
3554 			bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3555 					       list_id);
3556 		} else { /* N1-N2 */
3557 			unsigned int id1, id2;
3558 
3559 			if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3560 				wpa_printf(MSG_INFO, "Wrong BSS range "
3561 					   "format");
3562 				return 0;
3563 			}
3564 
3565 			if (*(cmd + 6) == '-')
3566 				id1 = 0;
3567 			else
3568 				id1 = atoi(cmd + 6);
3569 			ctmp++;
3570 			if (*ctmp >= '0' && *ctmp <= '9')
3571 				id2 = atoi(ctmp);
3572 			else
3573 				id2 = (unsigned int) -1;
3574 			bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3575 			if (id2 == (unsigned int) -1)
3576 				bsslast = dl_list_last(&wpa_s->bss_id,
3577 						       struct wpa_bss,
3578 						       list_id);
3579 			else {
3580 				bsslast = wpa_bss_get_id(wpa_s, id2);
3581 				if (bsslast == NULL && bss && id2 > id1) {
3582 					struct wpa_bss *tmp = bss;
3583 					for (;;) {
3584 						next = tmp->list_id.next;
3585 						if (next == &wpa_s->bss_id)
3586 							break;
3587 						tmp = dl_list_entry(
3588 							next, struct wpa_bss,
3589 							list_id);
3590 						if (tmp->id > id2)
3591 							break;
3592 						bsslast = tmp;
3593 					}
3594 				}
3595 			}
3596 		}
3597 	} else if (os_strncmp(cmd, "FIRST", 5) == 0)
3598 		bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3599 	else if (os_strncmp(cmd, "LAST", 4) == 0)
3600 		bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3601 	else if (os_strncmp(cmd, "ID-", 3) == 0) {
3602 		i = atoi(cmd + 3);
3603 		bss = wpa_bss_get_id(wpa_s, i);
3604 	} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3605 		i = atoi(cmd + 5);
3606 		bss = wpa_bss_get_id(wpa_s, i);
3607 		if (bss) {
3608 			next = bss->list_id.next;
3609 			if (next == &wpa_s->bss_id)
3610 				bss = NULL;
3611 			else
3612 				bss = dl_list_entry(next, struct wpa_bss,
3613 						    list_id);
3614 		}
3615 #ifdef CONFIG_P2P
3616 	} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3617 		if (hwaddr_aton(cmd + 13, bssid) == 0)
3618 			bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3619 		else
3620 			bss = NULL;
3621 #endif /* CONFIG_P2P */
3622 	} else if (hwaddr_aton(cmd, bssid) == 0)
3623 		bss = wpa_bss_get_bssid(wpa_s, bssid);
3624 	else {
3625 		struct wpa_bss *tmp;
3626 		i = atoi(cmd);
3627 		bss = NULL;
3628 		dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3629 		{
3630 			if (i-- == 0) {
3631 				bss = tmp;
3632 				break;
3633 			}
3634 		}
3635 	}
3636 
3637 	if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3638 		mask = strtoul(ctmp + 5, NULL, 0x10);
3639 		if (mask == 0)
3640 			mask = WPA_BSS_MASK_ALL;
3641 	}
3642 
3643 	if (bss == NULL)
3644 		return 0;
3645 
3646 	if (bsslast == NULL)
3647 		bsslast = bss;
3648 	do {
3649 		len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3650 		ret += len;
3651 		buf += len;
3652 		buflen -= len;
3653 		if (bss == bsslast) {
3654 			if ((mask & WPA_BSS_MASK_DELIM) && len &&
3655 			    (bss == dl_list_last(&wpa_s->bss_id,
3656 						 struct wpa_bss, list_id)))
3657 				os_snprintf(buf - 5, 5, "####\n");
3658 			break;
3659 		}
3660 		next = bss->list_id.next;
3661 		if (next == &wpa_s->bss_id)
3662 			break;
3663 		bss = dl_list_entry(next, struct wpa_bss, list_id);
3664 	} while (bss && len);
3665 
3666 	return ret;
3667 }
3668 
3669 
3670 static int wpa_supplicant_ctrl_iface_ap_scan(
3671 	struct wpa_supplicant *wpa_s, char *cmd)
3672 {
3673 	int ap_scan = atoi(cmd);
3674 	return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3675 }
3676 
3677 
3678 static int wpa_supplicant_ctrl_iface_scan_interval(
3679 	struct wpa_supplicant *wpa_s, char *cmd)
3680 {
3681 	int scan_int = atoi(cmd);
3682 	return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3683 }
3684 
3685 
3686 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3687 	struct wpa_supplicant *wpa_s, char *cmd)
3688 {
3689 	int expire_age = atoi(cmd);
3690 	return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3691 }
3692 
3693 
3694 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3695 	struct wpa_supplicant *wpa_s, char *cmd)
3696 {
3697 	int expire_count = atoi(cmd);
3698 	return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3699 }
3700 
3701 
3702 static int wpa_supplicant_ctrl_iface_bss_flush(
3703 	struct wpa_supplicant *wpa_s, char *cmd)
3704 {
3705 	int flush_age = atoi(cmd);
3706 
3707 	if (flush_age == 0)
3708 		wpa_bss_flush(wpa_s);
3709 	else
3710 		wpa_bss_flush_by_age(wpa_s, flush_age);
3711 	return 0;
3712 }
3713 
3714 
3715 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3716 {
3717 	wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3718 	/* MLME-DELETEKEYS.request */
3719 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3720 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3721 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3722 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3723 #ifdef CONFIG_IEEE80211W
3724 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3725 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3726 #endif /* CONFIG_IEEE80211W */
3727 
3728 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3729 			0);
3730 	/* MLME-SETPROTECTION.request(None) */
3731 	wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3732 				   MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3733 				   MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3734 	wpa_sm_drop_sa(wpa_s->wpa);
3735 }
3736 
3737 
3738 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3739 					  char *addr)
3740 {
3741 #ifdef CONFIG_NO_SCAN_PROCESSING
3742 	return -1;
3743 #else /* CONFIG_NO_SCAN_PROCESSING */
3744 	u8 bssid[ETH_ALEN];
3745 	struct wpa_bss *bss;
3746 	struct wpa_ssid *ssid = wpa_s->current_ssid;
3747 
3748 	if (hwaddr_aton(addr, bssid)) {
3749 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3750 			   "address '%s'", addr);
3751 		return -1;
3752 	}
3753 
3754 	wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3755 
3756 	if (!ssid) {
3757 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3758 			   "configuration known for the target AP");
3759 		return -1;
3760 	}
3761 
3762 	bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3763 	if (!bss) {
3764 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3765 			   "from BSS table");
3766 		return -1;
3767 	}
3768 
3769 	/*
3770 	 * TODO: Find best network configuration block from configuration to
3771 	 * allow roaming to other networks
3772 	 */
3773 
3774 	wpa_s->reassociate = 1;
3775 	wpa_supplicant_connect(wpa_s, bss, ssid);
3776 
3777 	return 0;
3778 #endif /* CONFIG_NO_SCAN_PROCESSING */
3779 }
3780 
3781 
3782 #ifdef CONFIG_P2P
3783 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3784 {
3785 	unsigned int timeout = atoi(cmd);
3786 	enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3787 	u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3788 	u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
3789 	char *pos;
3790 	unsigned int search_delay;
3791 
3792 	if (os_strstr(cmd, "type=social"))
3793 		type = P2P_FIND_ONLY_SOCIAL;
3794 	else if (os_strstr(cmd, "type=progressive"))
3795 		type = P2P_FIND_PROGRESSIVE;
3796 
3797 	pos = os_strstr(cmd, "dev_id=");
3798 	if (pos) {
3799 		pos += 7;
3800 		if (hwaddr_aton(pos, dev_id))
3801 			return -1;
3802 		_dev_id = dev_id;
3803 	}
3804 
3805 	pos = os_strstr(cmd, "dev_type=");
3806 	if (pos) {
3807 		pos += 9;
3808 		if (wps_dev_type_str2bin(pos, dev_type) < 0)
3809 			return -1;
3810 		_dev_type = dev_type;
3811 	}
3812 
3813 	pos = os_strstr(cmd, "delay=");
3814 	if (pos) {
3815 		pos += 6;
3816 		search_delay = atoi(pos);
3817 	} else
3818 		search_delay = wpas_p2p_search_delay(wpa_s);
3819 
3820 	return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
3821 			     _dev_id, search_delay);
3822 }
3823 
3824 
3825 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3826 			    char *buf, size_t buflen)
3827 {
3828 	u8 addr[ETH_ALEN];
3829 	char *pos, *pos2;
3830 	char *pin = NULL;
3831 	enum p2p_wps_method wps_method;
3832 	int new_pin;
3833 	int ret;
3834 	int persistent_group, persistent_id = -1;
3835 	int join;
3836 	int auth;
3837 	int automatic;
3838 	int go_intent = -1;
3839 	int freq = 0;
3840 	int pd;
3841 	int ht40, vht;
3842 
3843 	/* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3844 	 * [persistent|persistent=<network id>]
3845 	 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3846 	 * [ht40] [vht] */
3847 
3848 	if (hwaddr_aton(cmd, addr))
3849 		return -1;
3850 
3851 	pos = cmd + 17;
3852 	if (*pos != ' ')
3853 		return -1;
3854 	pos++;
3855 
3856 	persistent_group = os_strstr(pos, " persistent") != NULL;
3857 	pos2 = os_strstr(pos, " persistent=");
3858 	if (pos2) {
3859 		struct wpa_ssid *ssid;
3860 		persistent_id = atoi(pos2 + 12);
3861 		ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3862 		if (ssid == NULL || ssid->disabled != 2 ||
3863 		    ssid->mode != WPAS_MODE_P2P_GO) {
3864 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3865 				   "SSID id=%d for persistent P2P group (GO)",
3866 				   persistent_id);
3867 			return -1;
3868 		}
3869 	}
3870 	join = os_strstr(pos, " join") != NULL;
3871 	auth = os_strstr(pos, " auth") != NULL;
3872 	automatic = os_strstr(pos, " auto") != NULL;
3873 	pd = os_strstr(pos, " provdisc") != NULL;
3874 	vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
3875 	ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
3876 		vht;
3877 
3878 	pos2 = os_strstr(pos, " go_intent=");
3879 	if (pos2) {
3880 		pos2 += 11;
3881 		go_intent = atoi(pos2);
3882 		if (go_intent < 0 || go_intent > 15)
3883 			return -1;
3884 	}
3885 
3886 	pos2 = os_strstr(pos, " freq=");
3887 	if (pos2) {
3888 		pos2 += 6;
3889 		freq = atoi(pos2);
3890 		if (freq <= 0)
3891 			return -1;
3892 	}
3893 
3894 	if (os_strncmp(pos, "pin", 3) == 0) {
3895 		/* Request random PIN (to be displayed) and enable the PIN */
3896 		wps_method = WPS_PIN_DISPLAY;
3897 	} else if (os_strncmp(pos, "pbc", 3) == 0) {
3898 		wps_method = WPS_PBC;
3899 	} else {
3900 		pin = pos;
3901 		pos = os_strchr(pin, ' ');
3902 		wps_method = WPS_PIN_KEYPAD;
3903 		if (pos) {
3904 			*pos++ = '\0';
3905 			if (os_strncmp(pos, "display", 7) == 0)
3906 				wps_method = WPS_PIN_DISPLAY;
3907 		}
3908 		if (!wps_pin_str_valid(pin)) {
3909 			os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3910 			return 17;
3911 		}
3912 	}
3913 
3914 	new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3915 				   persistent_group, automatic, join,
3916 				   auth, go_intent, freq, persistent_id, pd,
3917 				   ht40, vht);
3918 	if (new_pin == -2) {
3919 		os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3920 		return 25;
3921 	}
3922 	if (new_pin == -3) {
3923 		os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3924 		return 25;
3925 	}
3926 	if (new_pin < 0)
3927 		return -1;
3928 	if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3929 		ret = os_snprintf(buf, buflen, "%08d", new_pin);
3930 		if (ret < 0 || (size_t) ret >= buflen)
3931 			return -1;
3932 		return ret;
3933 	}
3934 
3935 	os_memcpy(buf, "OK\n", 3);
3936 	return 3;
3937 }
3938 
3939 
3940 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3941 {
3942 	unsigned int timeout = atoi(cmd);
3943 	return wpas_p2p_listen(wpa_s, timeout);
3944 }
3945 
3946 
3947 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3948 {
3949 	u8 addr[ETH_ALEN];
3950 	char *pos;
3951 	enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3952 
3953 	/* <addr> <config method> [join|auto] */
3954 
3955 	if (hwaddr_aton(cmd, addr))
3956 		return -1;
3957 
3958 	pos = cmd + 17;
3959 	if (*pos != ' ')
3960 		return -1;
3961 	pos++;
3962 
3963 	if (os_strstr(pos, " join") != NULL)
3964 		use = WPAS_P2P_PD_FOR_JOIN;
3965 	else if (os_strstr(pos, " auto") != NULL)
3966 		use = WPAS_P2P_PD_AUTO;
3967 
3968 	return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3969 }
3970 
3971 
3972 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3973 			      size_t buflen)
3974 {
3975 	struct wpa_ssid *ssid = wpa_s->current_ssid;
3976 
3977 	if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3978 	    ssid->passphrase == NULL)
3979 		return -1;
3980 
3981 	os_strlcpy(buf, ssid->passphrase, buflen);
3982 	return os_strlen(buf);
3983 }
3984 
3985 
3986 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3987 				  char *buf, size_t buflen)
3988 {
3989 	u64 ref;
3990 	int res;
3991 	u8 dst_buf[ETH_ALEN], *dst;
3992 	struct wpabuf *tlvs;
3993 	char *pos;
3994 	size_t len;
3995 
3996 	if (hwaddr_aton(cmd, dst_buf))
3997 		return -1;
3998 	dst = dst_buf;
3999 	if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
4000 	    dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
4001 		dst = NULL;
4002 	pos = cmd + 17;
4003 	if (*pos != ' ')
4004 		return -1;
4005 	pos++;
4006 
4007 	if (os_strncmp(pos, "upnp ", 5) == 0) {
4008 		u8 version;
4009 		pos += 5;
4010 		if (hexstr2bin(pos, &version, 1) < 0)
4011 			return -1;
4012 		pos += 2;
4013 		if (*pos != ' ')
4014 			return -1;
4015 		pos++;
4016 		ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
4017 #ifdef CONFIG_WIFI_DISPLAY
4018 	} else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
4019 		ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
4020 #endif /* CONFIG_WIFI_DISPLAY */
4021 	} else {
4022 		len = os_strlen(pos);
4023 		if (len & 1)
4024 			return -1;
4025 		len /= 2;
4026 		tlvs = wpabuf_alloc(len);
4027 		if (tlvs == NULL)
4028 			return -1;
4029 		if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
4030 			wpabuf_free(tlvs);
4031 			return -1;
4032 		}
4033 
4034 		ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
4035 		wpabuf_free(tlvs);
4036 	}
4037 	if (ref == 0)
4038 		return -1;
4039 	res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
4040 	if (res < 0 || (unsigned) res >= buflen)
4041 		return -1;
4042 	return res;
4043 }
4044 
4045 
4046 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
4047 					 char *cmd)
4048 {
4049 	long long unsigned val;
4050 	u64 req;
4051 	if (sscanf(cmd, "%llx", &val) != 1)
4052 		return -1;
4053 	req = val;
4054 	return wpas_p2p_sd_cancel_request(wpa_s, req);
4055 }
4056 
4057 
4058 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
4059 {
4060 	int freq;
4061 	u8 dst[ETH_ALEN];
4062 	u8 dialog_token;
4063 	struct wpabuf *resp_tlvs;
4064 	char *pos, *pos2;
4065 	size_t len;
4066 
4067 	pos = os_strchr(cmd, ' ');
4068 	if (pos == NULL)
4069 		return -1;
4070 	*pos++ = '\0';
4071 	freq = atoi(cmd);
4072 	if (freq == 0)
4073 		return -1;
4074 
4075 	if (hwaddr_aton(pos, dst))
4076 		return -1;
4077 	pos += 17;
4078 	if (*pos != ' ')
4079 		return -1;
4080 	pos++;
4081 
4082 	pos2 = os_strchr(pos, ' ');
4083 	if (pos2 == NULL)
4084 		return -1;
4085 	*pos2++ = '\0';
4086 	dialog_token = atoi(pos);
4087 
4088 	len = os_strlen(pos2);
4089 	if (len & 1)
4090 		return -1;
4091 	len /= 2;
4092 	resp_tlvs = wpabuf_alloc(len);
4093 	if (resp_tlvs == NULL)
4094 		return -1;
4095 	if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
4096 		wpabuf_free(resp_tlvs);
4097 		return -1;
4098 	}
4099 
4100 	wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
4101 	wpabuf_free(resp_tlvs);
4102 	return 0;
4103 }
4104 
4105 
4106 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
4107 				       char *cmd)
4108 {
4109 	if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
4110 		return -1;
4111 	wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
4112 	return 0;
4113 }
4114 
4115 
4116 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
4117 					char *cmd)
4118 {
4119 	char *pos;
4120 	size_t len;
4121 	struct wpabuf *query, *resp;
4122 
4123 	pos = os_strchr(cmd, ' ');
4124 	if (pos == NULL)
4125 		return -1;
4126 	*pos++ = '\0';
4127 
4128 	len = os_strlen(cmd);
4129 	if (len & 1)
4130 		return -1;
4131 	len /= 2;
4132 	query = wpabuf_alloc(len);
4133 	if (query == NULL)
4134 		return -1;
4135 	if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4136 		wpabuf_free(query);
4137 		return -1;
4138 	}
4139 
4140 	len = os_strlen(pos);
4141 	if (len & 1) {
4142 		wpabuf_free(query);
4143 		return -1;
4144 	}
4145 	len /= 2;
4146 	resp = wpabuf_alloc(len);
4147 	if (resp == NULL) {
4148 		wpabuf_free(query);
4149 		return -1;
4150 	}
4151 	if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4152 		wpabuf_free(query);
4153 		wpabuf_free(resp);
4154 		return -1;
4155 	}
4156 
4157 	if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4158 		wpabuf_free(query);
4159 		wpabuf_free(resp);
4160 		return -1;
4161 	}
4162 	return 0;
4163 }
4164 
4165 
4166 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4167 {
4168 	char *pos;
4169 	u8 version;
4170 
4171 	pos = os_strchr(cmd, ' ');
4172 	if (pos == NULL)
4173 		return -1;
4174 	*pos++ = '\0';
4175 
4176 	if (hexstr2bin(cmd, &version, 1) < 0)
4177 		return -1;
4178 
4179 	return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4180 }
4181 
4182 
4183 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4184 {
4185 	char *pos;
4186 
4187 	pos = os_strchr(cmd, ' ');
4188 	if (pos == NULL)
4189 		return -1;
4190 	*pos++ = '\0';
4191 
4192 	if (os_strcmp(cmd, "bonjour") == 0)
4193 		return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4194 	if (os_strcmp(cmd, "upnp") == 0)
4195 		return p2p_ctrl_service_add_upnp(wpa_s, pos);
4196 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4197 	return -1;
4198 }
4199 
4200 
4201 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4202 					char *cmd)
4203 {
4204 	size_t len;
4205 	struct wpabuf *query;
4206 	int ret;
4207 
4208 	len = os_strlen(cmd);
4209 	if (len & 1)
4210 		return -1;
4211 	len /= 2;
4212 	query = wpabuf_alloc(len);
4213 	if (query == NULL)
4214 		return -1;
4215 	if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4216 		wpabuf_free(query);
4217 		return -1;
4218 	}
4219 
4220 	ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4221 	wpabuf_free(query);
4222 	return ret;
4223 }
4224 
4225 
4226 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4227 {
4228 	char *pos;
4229 	u8 version;
4230 
4231 	pos = os_strchr(cmd, ' ');
4232 	if (pos == NULL)
4233 		return -1;
4234 	*pos++ = '\0';
4235 
4236 	if (hexstr2bin(cmd, &version, 1) < 0)
4237 		return -1;
4238 
4239 	return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4240 }
4241 
4242 
4243 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4244 {
4245 	char *pos;
4246 
4247 	pos = os_strchr(cmd, ' ');
4248 	if (pos == NULL)
4249 		return -1;
4250 	*pos++ = '\0';
4251 
4252 	if (os_strcmp(cmd, "bonjour") == 0)
4253 		return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4254 	if (os_strcmp(cmd, "upnp") == 0)
4255 		return p2p_ctrl_service_del_upnp(wpa_s, pos);
4256 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4257 	return -1;
4258 }
4259 
4260 
4261 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4262 {
4263 	u8 addr[ETH_ALEN];
4264 
4265 	/* <addr> */
4266 
4267 	if (hwaddr_aton(cmd, addr))
4268 		return -1;
4269 
4270 	return wpas_p2p_reject(wpa_s, addr);
4271 }
4272 
4273 
4274 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4275 {
4276 	char *pos;
4277 	int id;
4278 	struct wpa_ssid *ssid;
4279 	u8 *_peer = NULL, peer[ETH_ALEN];
4280 	int freq = 0, pref_freq = 0;
4281 	int ht40, vht;
4282 
4283 	id = atoi(cmd);
4284 	pos = os_strstr(cmd, " peer=");
4285 	if (pos) {
4286 		pos += 6;
4287 		if (hwaddr_aton(pos, peer))
4288 			return -1;
4289 		_peer = peer;
4290 	}
4291 	ssid = wpa_config_get_network(wpa_s->conf, id);
4292 	if (ssid == NULL || ssid->disabled != 2) {
4293 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4294 			   "for persistent P2P group",
4295 			   id);
4296 		return -1;
4297 	}
4298 
4299 	pos = os_strstr(cmd, " freq=");
4300 	if (pos) {
4301 		pos += 6;
4302 		freq = atoi(pos);
4303 		if (freq <= 0)
4304 			return -1;
4305 	}
4306 
4307 	pos = os_strstr(cmd, " pref=");
4308 	if (pos) {
4309 		pos += 6;
4310 		pref_freq = atoi(pos);
4311 		if (pref_freq <= 0)
4312 			return -1;
4313 	}
4314 
4315 	vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4316 	ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4317 		vht;
4318 
4319 	return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4320 			       pref_freq);
4321 }
4322 
4323 
4324 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4325 {
4326 	char *pos;
4327 	u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4328 
4329 	pos = os_strstr(cmd, " peer=");
4330 	if (!pos)
4331 		return -1;
4332 
4333 	*pos = '\0';
4334 	pos += 6;
4335 	if (hwaddr_aton(pos, peer)) {
4336 		wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4337 		return -1;
4338 	}
4339 
4340 	pos = os_strstr(pos, " go_dev_addr=");
4341 	if (pos) {
4342 		pos += 13;
4343 		if (hwaddr_aton(pos, go_dev_addr)) {
4344 			wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4345 				   pos);
4346 			return -1;
4347 		}
4348 		go_dev = go_dev_addr;
4349 	}
4350 
4351 	return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4352 }
4353 
4354 
4355 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4356 {
4357 	if (os_strncmp(cmd, "persistent=", 11) == 0)
4358 		return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4359 	if (os_strncmp(cmd, "group=", 6) == 0)
4360 		return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4361 
4362 	return -1;
4363 }
4364 
4365 
4366 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4367 					 char *cmd, int freq, int ht40,
4368 					 int vht)
4369 {
4370 	int id;
4371 	struct wpa_ssid *ssid;
4372 
4373 	id = atoi(cmd);
4374 	ssid = wpa_config_get_network(wpa_s->conf, id);
4375 	if (ssid == NULL || ssid->disabled != 2) {
4376 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4377 			   "for persistent P2P group",
4378 			   id);
4379 		return -1;
4380 	}
4381 
4382 	return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, vht,
4383 					     NULL, 0);
4384 }
4385 
4386 
4387 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4388 {
4389 	int freq = 0, ht40, vht;
4390 	char *pos;
4391 
4392 	pos = os_strstr(cmd, "freq=");
4393 	if (pos)
4394 		freq = atoi(pos + 5);
4395 
4396 	vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4397 	ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4398 		vht;
4399 
4400 	if (os_strncmp(cmd, "persistent=", 11) == 0)
4401 		return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4402 						     ht40, vht);
4403 	if (os_strcmp(cmd, "persistent") == 0 ||
4404 	    os_strncmp(cmd, "persistent ", 11) == 0)
4405 		return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4406 	if (os_strncmp(cmd, "freq=", 5) == 0)
4407 		return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4408 	if (ht40)
4409 		return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4410 
4411 	wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4412 		   cmd);
4413 	return -1;
4414 }
4415 
4416 
4417 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4418 			 char *buf, size_t buflen)
4419 {
4420 	u8 addr[ETH_ALEN], *addr_ptr;
4421 	int next, res;
4422 	const struct p2p_peer_info *info;
4423 	char *pos, *end;
4424 	char devtype[WPS_DEV_TYPE_BUFSIZE];
4425 	struct wpa_ssid *ssid;
4426 	size_t i;
4427 
4428 	if (!wpa_s->global->p2p)
4429 		return -1;
4430 
4431 	if (os_strcmp(cmd, "FIRST") == 0) {
4432 		addr_ptr = NULL;
4433 		next = 0;
4434 	} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4435 		if (hwaddr_aton(cmd + 5, addr) < 0)
4436 			return -1;
4437 		addr_ptr = addr;
4438 		next = 1;
4439 	} else {
4440 		if (hwaddr_aton(cmd, addr) < 0)
4441 			return -1;
4442 		addr_ptr = addr;
4443 		next = 0;
4444 	}
4445 
4446 	info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4447 	if (info == NULL)
4448 		return -1;
4449 
4450 	pos = buf;
4451 	end = buf + buflen;
4452 
4453 	res = os_snprintf(pos, end - pos, MACSTR "\n"
4454 			  "pri_dev_type=%s\n"
4455 			  "device_name=%s\n"
4456 			  "manufacturer=%s\n"
4457 			  "model_name=%s\n"
4458 			  "model_number=%s\n"
4459 			  "serial_number=%s\n"
4460 			  "config_methods=0x%x\n"
4461 			  "dev_capab=0x%x\n"
4462 			  "group_capab=0x%x\n"
4463 			  "level=%d\n",
4464 			  MAC2STR(info->p2p_device_addr),
4465 			  wps_dev_type_bin2str(info->pri_dev_type,
4466 					       devtype, sizeof(devtype)),
4467 			  info->device_name,
4468 			  info->manufacturer,
4469 			  info->model_name,
4470 			  info->model_number,
4471 			  info->serial_number,
4472 			  info->config_methods,
4473 			  info->dev_capab,
4474 			  info->group_capab,
4475 			  info->level);
4476 	if (res < 0 || res >= end - pos)
4477 		return pos - buf;
4478 	pos += res;
4479 
4480 	for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4481 	{
4482 		const u8 *t;
4483 		t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4484 		res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4485 				  wps_dev_type_bin2str(t, devtype,
4486 						       sizeof(devtype)));
4487 		if (res < 0 || res >= end - pos)
4488 			return pos - buf;
4489 		pos += res;
4490 	}
4491 
4492 	ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4493 	if (ssid) {
4494 		res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4495 		if (res < 0 || res >= end - pos)
4496 			return pos - buf;
4497 		pos += res;
4498 	}
4499 
4500 	res = p2p_get_peer_info_txt(info, pos, end - pos);
4501 	if (res < 0)
4502 		return pos - buf;
4503 	pos += res;
4504 
4505 	return pos - buf;
4506 }
4507 
4508 
4509 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4510 				  const char *param)
4511 {
4512 	unsigned int i;
4513 
4514 	if (wpa_s->global->p2p == NULL)
4515 		return -1;
4516 
4517 	if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4518 		return -1;
4519 
4520 	for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4521 		struct wpa_freq_range *freq;
4522 		freq = &wpa_s->global->p2p_disallow_freq.range[i];
4523 		wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4524 			   freq->min, freq->max);
4525 	}
4526 
4527 	wpas_p2p_update_channel_list(wpa_s);
4528 	return 0;
4529 }
4530 
4531 
4532 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4533 {
4534 	char *param;
4535 
4536 	if (wpa_s->global->p2p == NULL)
4537 		return -1;
4538 
4539 	param = os_strchr(cmd, ' ');
4540 	if (param == NULL)
4541 		return -1;
4542 	*param++ = '\0';
4543 
4544 	if (os_strcmp(cmd, "discoverability") == 0) {
4545 		p2p_set_client_discoverability(wpa_s->global->p2p,
4546 					       atoi(param));
4547 		return 0;
4548 	}
4549 
4550 	if (os_strcmp(cmd, "managed") == 0) {
4551 		p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4552 		return 0;
4553 	}
4554 
4555 	if (os_strcmp(cmd, "listen_channel") == 0) {
4556 		return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4557 					      atoi(param));
4558 	}
4559 
4560 	if (os_strcmp(cmd, "ssid_postfix") == 0) {
4561 		return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4562 					    os_strlen(param));
4563 	}
4564 
4565 	if (os_strcmp(cmd, "noa") == 0) {
4566 		char *pos;
4567 		int count, start, duration;
4568 		/* GO NoA parameters: count,start_offset(ms),duration(ms) */
4569 		count = atoi(param);
4570 		pos = os_strchr(param, ',');
4571 		if (pos == NULL)
4572 			return -1;
4573 		pos++;
4574 		start = atoi(pos);
4575 		pos = os_strchr(pos, ',');
4576 		if (pos == NULL)
4577 			return -1;
4578 		pos++;
4579 		duration = atoi(pos);
4580 		if (count < 0 || count > 255 || start < 0 || duration < 0)
4581 			return -1;
4582 		if (count == 0 && duration > 0)
4583 			return -1;
4584 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4585 			   "start=%d duration=%d", count, start, duration);
4586 		return wpas_p2p_set_noa(wpa_s, count, start, duration);
4587 	}
4588 
4589 	if (os_strcmp(cmd, "ps") == 0)
4590 		return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4591 
4592 	if (os_strcmp(cmd, "oppps") == 0)
4593 		return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4594 
4595 	if (os_strcmp(cmd, "ctwindow") == 0)
4596 		return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4597 
4598 	if (os_strcmp(cmd, "disabled") == 0) {
4599 		wpa_s->global->p2p_disabled = atoi(param);
4600 		wpa_printf(MSG_DEBUG, "P2P functionality %s",
4601 			   wpa_s->global->p2p_disabled ?
4602 			   "disabled" : "enabled");
4603 		if (wpa_s->global->p2p_disabled) {
4604 			wpas_p2p_stop_find(wpa_s);
4605 			os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4606 			p2p_flush(wpa_s->global->p2p);
4607 		}
4608 		return 0;
4609 	}
4610 
4611 	if (os_strcmp(cmd, "conc_pref") == 0) {
4612 		if (os_strcmp(param, "sta") == 0)
4613 			wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4614 		else if (os_strcmp(param, "p2p") == 0)
4615 			wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4616 		else {
4617 			wpa_printf(MSG_INFO, "Invalid conc_pref value");
4618 			return -1;
4619 		}
4620 		wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4621 			   "%s", param);
4622 		return 0;
4623 	}
4624 
4625 	if (os_strcmp(cmd, "force_long_sd") == 0) {
4626 		wpa_s->force_long_sd = atoi(param);
4627 		return 0;
4628 	}
4629 
4630 	if (os_strcmp(cmd, "peer_filter") == 0) {
4631 		u8 addr[ETH_ALEN];
4632 		if (hwaddr_aton(param, addr))
4633 			return -1;
4634 		p2p_set_peer_filter(wpa_s->global->p2p, addr);
4635 		return 0;
4636 	}
4637 
4638 	if (os_strcmp(cmd, "cross_connect") == 0)
4639 		return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4640 
4641 	if (os_strcmp(cmd, "go_apsd") == 0) {
4642 		if (os_strcmp(param, "disable") == 0)
4643 			wpa_s->set_ap_uapsd = 0;
4644 		else {
4645 			wpa_s->set_ap_uapsd = 1;
4646 			wpa_s->ap_uapsd = atoi(param);
4647 		}
4648 		return 0;
4649 	}
4650 
4651 	if (os_strcmp(cmd, "client_apsd") == 0) {
4652 		if (os_strcmp(param, "disable") == 0)
4653 			wpa_s->set_sta_uapsd = 0;
4654 		else {
4655 			int be, bk, vi, vo;
4656 			char *pos;
4657 			/* format: BE,BK,VI,VO;max SP Length */
4658 			be = atoi(param);
4659 			pos = os_strchr(param, ',');
4660 			if (pos == NULL)
4661 				return -1;
4662 			pos++;
4663 			bk = atoi(pos);
4664 			pos = os_strchr(pos, ',');
4665 			if (pos == NULL)
4666 				return -1;
4667 			pos++;
4668 			vi = atoi(pos);
4669 			pos = os_strchr(pos, ',');
4670 			if (pos == NULL)
4671 				return -1;
4672 			pos++;
4673 			vo = atoi(pos);
4674 			/* ignore max SP Length for now */
4675 
4676 			wpa_s->set_sta_uapsd = 1;
4677 			wpa_s->sta_uapsd = 0;
4678 			if (be)
4679 				wpa_s->sta_uapsd |= BIT(0);
4680 			if (bk)
4681 				wpa_s->sta_uapsd |= BIT(1);
4682 			if (vi)
4683 				wpa_s->sta_uapsd |= BIT(2);
4684 			if (vo)
4685 				wpa_s->sta_uapsd |= BIT(3);
4686 		}
4687 		return 0;
4688 	}
4689 
4690 	if (os_strcmp(cmd, "disallow_freq") == 0)
4691 		return p2p_ctrl_disallow_freq(wpa_s, param);
4692 
4693 	if (os_strcmp(cmd, "disc_int") == 0) {
4694 		int min_disc_int, max_disc_int, max_disc_tu;
4695 		char *pos;
4696 
4697 		pos = param;
4698 
4699 		min_disc_int = atoi(pos);
4700 		pos = os_strchr(pos, ' ');
4701 		if (pos == NULL)
4702 			return -1;
4703 		*pos++ = '\0';
4704 
4705 		max_disc_int = atoi(pos);
4706 		pos = os_strchr(pos, ' ');
4707 		if (pos == NULL)
4708 			return -1;
4709 		*pos++ = '\0';
4710 
4711 		max_disc_tu = atoi(pos);
4712 
4713 		return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4714 					max_disc_int, max_disc_tu);
4715 	}
4716 
4717 	if (os_strcmp(cmd, "per_sta_psk") == 0) {
4718 		wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4719 		return 0;
4720 	}
4721 
4722 #ifdef CONFIG_WPS_NFC
4723 	if (os_strcmp(cmd, "nfc_tag") == 0)
4724 		return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
4725 #endif /* CONFIG_WPS_NFC */
4726 
4727 	if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
4728 		wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
4729 		return 0;
4730 	}
4731 
4732 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4733 		   cmd);
4734 
4735 	return -1;
4736 }
4737 
4738 
4739 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4740 {
4741 	os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4742 	wpa_s->force_long_sd = 0;
4743 	if (wpa_s->global->p2p)
4744 		p2p_flush(wpa_s->global->p2p);
4745 }
4746 
4747 
4748 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4749 {
4750 	char *pos, *pos2;
4751 	unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4752 
4753 	if (cmd[0]) {
4754 		pos = os_strchr(cmd, ' ');
4755 		if (pos == NULL)
4756 			return -1;
4757 		*pos++ = '\0';
4758 		dur1 = atoi(cmd);
4759 
4760 		pos2 = os_strchr(pos, ' ');
4761 		if (pos2)
4762 			*pos2++ = '\0';
4763 		int1 = atoi(pos);
4764 	} else
4765 		pos2 = NULL;
4766 
4767 	if (pos2) {
4768 		pos = os_strchr(pos2, ' ');
4769 		if (pos == NULL)
4770 			return -1;
4771 		*pos++ = '\0';
4772 		dur2 = atoi(pos2);
4773 		int2 = atoi(pos);
4774 	}
4775 
4776 	return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4777 }
4778 
4779 
4780 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4781 {
4782 	char *pos;
4783 	unsigned int period = 0, interval = 0;
4784 
4785 	if (cmd[0]) {
4786 		pos = os_strchr(cmd, ' ');
4787 		if (pos == NULL)
4788 			return -1;
4789 		*pos++ = '\0';
4790 		period = atoi(cmd);
4791 		interval = atoi(pos);
4792 	}
4793 
4794 	return wpas_p2p_ext_listen(wpa_s, period, interval);
4795 }
4796 
4797 
4798 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4799 {
4800 	const char *pos;
4801 	u8 peer[ETH_ALEN];
4802 	int iface_addr = 0;
4803 
4804 	pos = cmd;
4805 	if (os_strncmp(pos, "iface=", 6) == 0) {
4806 		iface_addr = 1;
4807 		pos += 6;
4808 	}
4809 	if (hwaddr_aton(pos, peer))
4810 		return -1;
4811 
4812 	wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4813 	return 0;
4814 }
4815 
4816 #endif /* CONFIG_P2P */
4817 
4818 
4819 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
4820 {
4821 	struct wpa_freq_range_list ranges;
4822 	int *freqs = NULL;
4823 	struct hostapd_hw_modes *mode;
4824 	u16 i;
4825 
4826 	if (wpa_s->hw.modes == NULL)
4827 		return NULL;
4828 
4829 	os_memset(&ranges, 0, sizeof(ranges));
4830 	if (freq_range_list_parse(&ranges, val) < 0)
4831 		return NULL;
4832 
4833 	for (i = 0; i < wpa_s->hw.num_modes; i++) {
4834 		int j;
4835 
4836 		mode = &wpa_s->hw.modes[i];
4837 		for (j = 0; j < mode->num_channels; j++) {
4838 			unsigned int freq;
4839 
4840 			if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
4841 				continue;
4842 
4843 			freq = mode->channels[j].freq;
4844 			if (!freq_range_list_includes(&ranges, freq))
4845 				continue;
4846 
4847 			int_array_add_unique(&freqs, freq);
4848 		}
4849 	}
4850 
4851 	os_free(ranges.range);
4852 	return freqs;
4853 }
4854 
4855 
4856 #ifdef CONFIG_INTERWORKING
4857 
4858 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
4859 {
4860 	int auto_sel = 0;
4861 	int *freqs = NULL;
4862 
4863 	if (param) {
4864 		char *pos;
4865 
4866 		auto_sel = os_strstr(param, "auto") != NULL;
4867 
4868 		pos = os_strstr(param, "freq=");
4869 		if (pos) {
4870 			freqs = freq_range_to_channel_list(wpa_s, pos + 5);
4871 			if (freqs == NULL)
4872 				return -1;
4873 		}
4874 
4875 	}
4876 
4877 	return interworking_select(wpa_s, auto_sel, freqs);
4878 }
4879 
4880 
4881 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4882 {
4883 	u8 bssid[ETH_ALEN];
4884 	struct wpa_bss *bss;
4885 
4886 	if (hwaddr_aton(dst, bssid)) {
4887 		wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4888 		return -1;
4889 	}
4890 
4891 	bss = wpa_bss_get_bssid(wpa_s, bssid);
4892 	if (bss == NULL) {
4893 		wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4894 			   MAC2STR(bssid));
4895 		return -1;
4896 	}
4897 
4898 	return interworking_connect(wpa_s, bss);
4899 }
4900 
4901 
4902 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4903 {
4904 	u8 dst_addr[ETH_ALEN];
4905 	int used;
4906 	char *pos;
4907 #define MAX_ANQP_INFO_ID 100
4908 	u16 id[MAX_ANQP_INFO_ID];
4909 	size_t num_id = 0;
4910 
4911 	used = hwaddr_aton2(dst, dst_addr);
4912 	if (used < 0)
4913 		return -1;
4914 	pos = dst + used;
4915 	while (num_id < MAX_ANQP_INFO_ID) {
4916 		id[num_id] = atoi(pos);
4917 		if (id[num_id])
4918 			num_id++;
4919 		pos = os_strchr(pos + 1, ',');
4920 		if (pos == NULL)
4921 			break;
4922 		pos++;
4923 	}
4924 
4925 	if (num_id == 0)
4926 		return -1;
4927 
4928 	return anqp_send_req(wpa_s, dst_addr, id, num_id);
4929 }
4930 
4931 
4932 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4933 {
4934 	u8 dst_addr[ETH_ALEN];
4935 	struct wpabuf *advproto, *query = NULL;
4936 	int used, ret = -1;
4937 	char *pos, *end;
4938 	size_t len;
4939 
4940 	used = hwaddr_aton2(cmd, dst_addr);
4941 	if (used < 0)
4942 		return -1;
4943 
4944 	pos = cmd + used;
4945 	while (*pos == ' ')
4946 		pos++;
4947 
4948 	/* Advertisement Protocol ID */
4949 	end = os_strchr(pos, ' ');
4950 	if (end)
4951 		len = end - pos;
4952 	else
4953 		len = os_strlen(pos);
4954 	if (len & 0x01)
4955 		return -1;
4956 	len /= 2;
4957 	if (len == 0)
4958 		return -1;
4959 	advproto = wpabuf_alloc(len);
4960 	if (advproto == NULL)
4961 		return -1;
4962 	if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4963 		goto fail;
4964 
4965 	if (end) {
4966 		/* Optional Query Request */
4967 		pos = end + 1;
4968 		while (*pos == ' ')
4969 			pos++;
4970 
4971 		len = os_strlen(pos);
4972 		if (len) {
4973 			if (len & 0x01)
4974 				goto fail;
4975 			len /= 2;
4976 			if (len == 0)
4977 				goto fail;
4978 			query = wpabuf_alloc(len);
4979 			if (query == NULL)
4980 				goto fail;
4981 			if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4982 				goto fail;
4983 		}
4984 	}
4985 
4986 	ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4987 
4988 fail:
4989 	wpabuf_free(advproto);
4990 	wpabuf_free(query);
4991 
4992 	return ret;
4993 }
4994 
4995 
4996 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4997 			    size_t buflen)
4998 {
4999 	u8 addr[ETH_ALEN];
5000 	int dialog_token;
5001 	int used;
5002 	char *pos;
5003 	size_t resp_len, start, requested_len;
5004 	struct wpabuf *resp;
5005 	int ret;
5006 
5007 	used = hwaddr_aton2(cmd, addr);
5008 	if (used < 0)
5009 		return -1;
5010 
5011 	pos = cmd + used;
5012 	while (*pos == ' ')
5013 		pos++;
5014 	dialog_token = atoi(pos);
5015 
5016 	if (wpa_s->last_gas_resp &&
5017 	    os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
5018 	    dialog_token == wpa_s->last_gas_dialog_token)
5019 		resp = wpa_s->last_gas_resp;
5020 	else if (wpa_s->prev_gas_resp &&
5021 		 os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
5022 		 dialog_token == wpa_s->prev_gas_dialog_token)
5023 		resp = wpa_s->prev_gas_resp;
5024 	else
5025 		return -1;
5026 
5027 	resp_len = wpabuf_len(resp);
5028 	start = 0;
5029 	requested_len = resp_len;
5030 
5031 	pos = os_strchr(pos, ' ');
5032 	if (pos) {
5033 		start = atoi(pos);
5034 		if (start > resp_len)
5035 			return os_snprintf(buf, buflen, "FAIL-Invalid range");
5036 		pos = os_strchr(pos, ',');
5037 		if (pos == NULL)
5038 			return -1;
5039 		pos++;
5040 		requested_len = atoi(pos);
5041 		if (start + requested_len > resp_len)
5042 			return os_snprintf(buf, buflen, "FAIL-Invalid range");
5043 	}
5044 
5045 	if (requested_len * 2 + 1 > buflen)
5046 		return os_snprintf(buf, buflen, "FAIL-Too long response");
5047 
5048 	ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
5049 			       requested_len);
5050 
5051 	if (start + requested_len == resp_len) {
5052 		/*
5053 		 * Free memory by dropping the response after it has been
5054 		 * fetched.
5055 		 */
5056 		if (resp == wpa_s->prev_gas_resp) {
5057 			wpabuf_free(wpa_s->prev_gas_resp);
5058 			wpa_s->prev_gas_resp = NULL;
5059 		} else {
5060 			wpabuf_free(wpa_s->last_gas_resp);
5061 			wpa_s->last_gas_resp = NULL;
5062 		}
5063 	}
5064 
5065 	return ret;
5066 }
5067 #endif /* CONFIG_INTERWORKING */
5068 
5069 
5070 #ifdef CONFIG_HS20
5071 
5072 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
5073 {
5074 	u8 dst_addr[ETH_ALEN];
5075 	int used;
5076 	char *pos;
5077 	u32 subtypes = 0;
5078 
5079 	used = hwaddr_aton2(dst, dst_addr);
5080 	if (used < 0)
5081 		return -1;
5082 	pos = dst + used;
5083 	for (;;) {
5084 		int num = atoi(pos);
5085 		if (num <= 0 || num > 31)
5086 			return -1;
5087 		subtypes |= BIT(num);
5088 		pos = os_strchr(pos + 1, ',');
5089 		if (pos == NULL)
5090 			break;
5091 		pos++;
5092 	}
5093 
5094 	if (subtypes == 0)
5095 		return -1;
5096 
5097 	return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
5098 }
5099 
5100 
5101 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5102 				    const u8 *addr, const char *realm)
5103 {
5104 	u8 *buf;
5105 	size_t rlen, len;
5106 	int ret;
5107 
5108 	rlen = os_strlen(realm);
5109 	len = 3 + rlen;
5110 	buf = os_malloc(len);
5111 	if (buf == NULL)
5112 		return -1;
5113 	buf[0] = 1; /* NAI Home Realm Count */
5114 	buf[1] = 0; /* Formatted in accordance with RFC 4282 */
5115 	buf[2] = rlen;
5116 	os_memcpy(buf + 3, realm, rlen);
5117 
5118 	ret = hs20_anqp_send_req(wpa_s, addr,
5119 				 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5120 				 buf, len);
5121 
5122 	os_free(buf);
5123 
5124 	return ret;
5125 }
5126 
5127 
5128 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
5129 					char *dst)
5130 {
5131 	struct wpa_cred *cred = wpa_s->conf->cred;
5132 	u8 dst_addr[ETH_ALEN];
5133 	int used;
5134 	u8 *buf;
5135 	size_t len;
5136 	int ret;
5137 
5138 	used = hwaddr_aton2(dst, dst_addr);
5139 	if (used < 0)
5140 		return -1;
5141 
5142 	while (dst[used] == ' ')
5143 		used++;
5144 	if (os_strncmp(dst + used, "realm=", 6) == 0)
5145 		return hs20_nai_home_realm_list(wpa_s, dst_addr,
5146 						dst + used + 6);
5147 
5148 	len = os_strlen(dst + used);
5149 
5150 	if (len == 0 && cred && cred->realm)
5151 		return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
5152 
5153 	if (len % 1)
5154 		return -1;
5155 	len /= 2;
5156 	buf = os_malloc(len);
5157 	if (buf == NULL)
5158 		return -1;
5159 	if (hexstr2bin(dst + used, buf, len) < 0) {
5160 		os_free(buf);
5161 		return -1;
5162 	}
5163 
5164 	ret = hs20_anqp_send_req(wpa_s, dst_addr,
5165 				 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
5166 				 buf, len);
5167 	os_free(buf);
5168 
5169 	return ret;
5170 }
5171 
5172 #endif /* CONFIG_HS20 */
5173 
5174 
5175 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
5176 	struct wpa_supplicant *wpa_s, char *cmd)
5177 {
5178 	wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
5179 	return 0;
5180 }
5181 
5182 
5183 #ifdef CONFIG_AUTOSCAN
5184 
5185 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
5186 					      char *cmd)
5187 {
5188 	enum wpa_states state = wpa_s->wpa_state;
5189 	char *new_params = NULL;
5190 
5191 	if (os_strlen(cmd) > 0) {
5192 		new_params = os_strdup(cmd);
5193 		if (new_params == NULL)
5194 			return -1;
5195 	}
5196 
5197 	os_free(wpa_s->conf->autoscan);
5198 	wpa_s->conf->autoscan = new_params;
5199 
5200 	if (wpa_s->conf->autoscan == NULL)
5201 		autoscan_deinit(wpa_s);
5202 	else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
5203 		autoscan_init(wpa_s, 1);
5204 	else if (state == WPA_SCANNING)
5205 		wpa_supplicant_reinit_autoscan(wpa_s);
5206 
5207 	return 0;
5208 }
5209 
5210 #endif /* CONFIG_AUTOSCAN */
5211 
5212 
5213 #ifdef CONFIG_WNM
5214 
5215 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5216 {
5217 	int enter;
5218 	int intval = 0;
5219 	char *pos;
5220 	int ret;
5221 	struct wpabuf *tfs_req = NULL;
5222 
5223 	if (os_strncmp(cmd, "enter", 5) == 0)
5224 		enter = 1;
5225 	else if (os_strncmp(cmd, "exit", 4) == 0)
5226 		enter = 0;
5227 	else
5228 		return -1;
5229 
5230 	pos = os_strstr(cmd, " interval=");
5231 	if (pos)
5232 		intval = atoi(pos + 10);
5233 
5234 	pos = os_strstr(cmd, " tfs_req=");
5235 	if (pos) {
5236 		char *end;
5237 		size_t len;
5238 		pos += 9;
5239 		end = os_strchr(pos, ' ');
5240 		if (end)
5241 			len = end - pos;
5242 		else
5243 			len = os_strlen(pos);
5244 		if (len & 1)
5245 			return -1;
5246 		len /= 2;
5247 		tfs_req = wpabuf_alloc(len);
5248 		if (tfs_req == NULL)
5249 			return -1;
5250 		if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5251 			wpabuf_free(tfs_req);
5252 			return -1;
5253 		}
5254 	}
5255 
5256 	ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5257 					   WNM_SLEEP_MODE_EXIT, intval,
5258 					   tfs_req);
5259 	wpabuf_free(tfs_req);
5260 
5261 	return ret;
5262 }
5263 
5264 
5265 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5266 {
5267 	int query_reason;
5268 
5269 	query_reason = atoi(cmd);
5270 
5271 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5272 		   query_reason);
5273 
5274 	return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5275 }
5276 
5277 #endif /* CONFIG_WNM */
5278 
5279 
5280 /* Get string representation of channel width */
5281 static const char * channel_width_name(enum chan_width width)
5282 {
5283 	switch (width) {
5284 	case CHAN_WIDTH_20_NOHT:
5285 		return "20 MHz (no HT)";
5286 	case CHAN_WIDTH_20:
5287 		return "20 MHz";
5288 	case CHAN_WIDTH_40:
5289 		return "40 MHz";
5290 	case CHAN_WIDTH_80:
5291 		return "80 MHz";
5292 	case CHAN_WIDTH_80P80:
5293 		return "80+80 MHz";
5294 	case CHAN_WIDTH_160:
5295 		return "160 MHz";
5296 	default:
5297 		return "unknown";
5298 	}
5299 }
5300 
5301 
5302 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5303 				      size_t buflen)
5304 {
5305 	struct wpa_signal_info si;
5306 	int ret;
5307 	char *pos, *end;
5308 
5309 	ret = wpa_drv_signal_poll(wpa_s, &si);
5310 	if (ret)
5311 		return -1;
5312 
5313 	pos = buf;
5314 	end = buf + buflen;
5315 
5316 	ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5317 			  "NOISE=%d\nFREQUENCY=%u\n",
5318 			  si.current_signal, si.current_txrate / 1000,
5319 			  si.current_noise, si.frequency);
5320 	if (ret < 0 || ret > end - pos)
5321 		return -1;
5322 	pos += ret;
5323 
5324 	if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5325 		ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5326 				  channel_width_name(si.chanwidth));
5327 		if (ret < 0 || ret > end - pos)
5328 			return -1;
5329 		pos += ret;
5330 	}
5331 
5332 	if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5333 		ret = os_snprintf(pos, end - pos,
5334 				  "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5335 				  si.center_frq1, si.center_frq2);
5336 		if (ret < 0 || ret > end - pos)
5337 			return -1;
5338 		pos += ret;
5339 	}
5340 
5341 	if (si.avg_signal) {
5342 		ret = os_snprintf(pos, end - pos,
5343 				  "AVG_RSSI=%d\n", si.avg_signal);
5344 		if (ret < 0 || ret >= end - pos)
5345 			return -1;
5346 		pos += ret;
5347 	}
5348 
5349 	return pos - buf;
5350 }
5351 
5352 
5353 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5354 				      size_t buflen)
5355 {
5356 	struct hostap_sta_driver_data sta;
5357 	int ret;
5358 
5359 	ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5360 	if (ret)
5361 		return -1;
5362 
5363 	ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5364 			  sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5365 	if (ret < 0 || (size_t) ret > buflen)
5366 		return -1;
5367 	return ret;
5368 }
5369 
5370 
5371 #ifdef ANDROID
5372 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5373 				     char *buf, size_t buflen)
5374 {
5375 	int ret;
5376 
5377 	ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5378 	if (ret == 0) {
5379 		if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5380 			struct p2p_data *p2p = wpa_s->global->p2p;
5381 			if (p2p) {
5382 				char country[3];
5383 				country[0] = cmd[8];
5384 				country[1] = cmd[9];
5385 				country[2] = 0x04;
5386 				p2p_set_country(p2p, country);
5387 			}
5388 		}
5389 		ret = os_snprintf(buf, buflen, "%s\n", "OK");
5390 	}
5391 	return ret;
5392 }
5393 #endif /* ANDROID */
5394 
5395 
5396 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5397 {
5398 	wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5399 
5400 #ifdef CONFIG_P2P
5401 	wpas_p2p_stop_find(wpa_s);
5402 	p2p_ctrl_flush(wpa_s);
5403 	wpas_p2p_group_remove(wpa_s, "*");
5404 	wpas_p2p_service_flush(wpa_s);
5405 	wpa_s->global->p2p_disabled = 0;
5406 	wpa_s->global->p2p_per_sta_psk = 0;
5407 	wpa_s->conf->num_sec_device_types = 0;
5408 	wpa_s->p2p_disable_ip_addr_req = 0;
5409 #endif /* CONFIG_P2P */
5410 
5411 #ifdef CONFIG_WPS_TESTING
5412 	wps_version_number = 0x20;
5413 	wps_testing_dummy_cred = 0;
5414 	wps_corrupt_pkhash = 0;
5415 #endif /* CONFIG_WPS_TESTING */
5416 #ifdef CONFIG_WPS
5417 	wpa_s->wps_fragment_size = 0;
5418 	wpas_wps_cancel(wpa_s);
5419 #endif /* CONFIG_WPS */
5420 	wpa_s->after_wps = 0;
5421 	wpa_s->known_wps_freq = 0;
5422 
5423 #ifdef CONFIG_TDLS
5424 #ifdef CONFIG_TDLS_TESTING
5425 	extern unsigned int tdls_testing;
5426 	tdls_testing = 0;
5427 #endif /* CONFIG_TDLS_TESTING */
5428 	wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5429 	wpa_tdls_enable(wpa_s->wpa, 1);
5430 #endif /* CONFIG_TDLS */
5431 
5432 	eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5433 	wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5434 
5435 	wpa_s->no_keep_alive = 0;
5436 
5437 	os_free(wpa_s->disallow_aps_bssid);
5438 	wpa_s->disallow_aps_bssid = NULL;
5439 	wpa_s->disallow_aps_bssid_count = 0;
5440 	os_free(wpa_s->disallow_aps_ssid);
5441 	wpa_s->disallow_aps_ssid = NULL;
5442 	wpa_s->disallow_aps_ssid_count = 0;
5443 
5444 	wpa_s->set_sta_uapsd = 0;
5445 	wpa_s->sta_uapsd = 0;
5446 
5447 	wpa_drv_radio_disable(wpa_s, 0);
5448 
5449 	wpa_bss_flush(wpa_s);
5450 	wpa_blacklist_clear(wpa_s);
5451 	wpa_s->extra_blacklist_count = 0;
5452 	wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5453 	wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5454 	wpa_config_flush_blobs(wpa_s->conf);
5455 	wpa_s->conf->auto_interworking = 0;
5456 	wpa_s->conf->okc = 0;
5457 	wpa_s->conf->pmf = 0;
5458 
5459 	wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
5460 	wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
5461 	wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
5462 	eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5463 
5464 	radio_remove_unstarted_work(wpa_s, NULL);
5465 }
5466 
5467 
5468 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
5469 				     char *buf, size_t buflen)
5470 {
5471 	struct wpa_radio_work *work;
5472 	char *pos, *end;
5473 	struct os_reltime now, diff;
5474 
5475 	pos = buf;
5476 	end = buf + buflen;
5477 
5478 	os_get_reltime(&now);
5479 
5480 	dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5481 	{
5482 		int ret;
5483 
5484 		os_reltime_sub(&now, &work->time, &diff);
5485 		ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
5486 				  work->type, work->wpa_s->ifname, work->freq,
5487 				  work->started, diff.sec, diff.usec);
5488 		if (ret < 0 || ret >= end - pos)
5489 			break;
5490 		pos += ret;
5491 	}
5492 
5493 	return pos - buf;
5494 }
5495 
5496 
5497 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
5498 {
5499 	struct wpa_radio_work *work = eloop_ctx;
5500 	struct wpa_external_work *ework = work->ctx;
5501 
5502 	wpa_dbg(work->wpa_s, MSG_DEBUG,
5503 		"Timing out external radio work %u (%s)",
5504 		ework->id, work->type);
5505 	wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
5506 	os_free(ework);
5507 	radio_work_done(work);
5508 }
5509 
5510 
5511 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
5512 {
5513 	struct wpa_external_work *ework = work->ctx;
5514 
5515 	if (deinit) {
5516 		os_free(ework);
5517 		return;
5518 	}
5519 
5520 	wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
5521 		ework->id, ework->type);
5522 	wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
5523 	if (!ework->timeout)
5524 		ework->timeout = 10;
5525 	eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
5526 			       work, NULL);
5527 }
5528 
5529 
5530 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
5531 				    char *buf, size_t buflen)
5532 {
5533 	struct wpa_external_work *ework;
5534 	char *pos, *pos2;
5535 	size_t type_len;
5536 	int ret;
5537 	unsigned int freq = 0;
5538 
5539 	/* format: <name> [freq=<MHz>] [timeout=<seconds>] */
5540 
5541 	ework = os_zalloc(sizeof(*ework));
5542 	if (ework == NULL)
5543 		return -1;
5544 
5545 	pos = os_strchr(cmd, ' ');
5546 	if (pos) {
5547 		type_len = pos - cmd;
5548 		pos++;
5549 
5550 		pos2 = os_strstr(pos, "freq=");
5551 		if (pos2)
5552 			freq = atoi(pos2 + 5);
5553 
5554 		pos2 = os_strstr(pos, "timeout=");
5555 		if (pos2)
5556 			ework->timeout = atoi(pos2 + 8);
5557 	} else {
5558 		type_len = os_strlen(cmd);
5559 	}
5560 	if (4 + type_len >= sizeof(ework->type))
5561 		type_len = sizeof(ework->type) - 4 - 1;
5562 	os_strlcpy(ework->type, "ext:", sizeof(ework->type));
5563 	os_memcpy(ework->type + 4, cmd, type_len);
5564 	ework->type[4 + type_len] = '\0';
5565 
5566 	wpa_s->ext_work_id++;
5567 	if (wpa_s->ext_work_id == 0)
5568 		wpa_s->ext_work_id++;
5569 	ework->id = wpa_s->ext_work_id;
5570 
5571 	if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
5572 			   ework) < 0) {
5573 		os_free(ework);
5574 		return -1;
5575 	}
5576 
5577 	ret = os_snprintf(buf, buflen, "%u", ework->id);
5578 	if (ret < 0 || (size_t) ret >= buflen)
5579 		return -1;
5580 	return ret;
5581 }
5582 
5583 
5584 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
5585 {
5586 	struct wpa_radio_work *work;
5587 	unsigned int id = atoi(cmd);
5588 
5589 	dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
5590 	{
5591 		struct wpa_external_work *ework;
5592 
5593 		if (os_strncmp(work->type, "ext:", 4) != 0)
5594 			continue;
5595 		ework = work->ctx;
5596 		if (id && ework->id != id)
5597 			continue;
5598 		wpa_dbg(wpa_s, MSG_DEBUG,
5599 			"Completed external radio work %u (%s)",
5600 			ework->id, ework->type);
5601 		eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
5602 		os_free(ework);
5603 		radio_work_done(work);
5604 		return 3; /* "OK\n" */
5605 	}
5606 
5607 	return -1;
5608 }
5609 
5610 
5611 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
5612 				char *buf, size_t buflen)
5613 {
5614 	if (os_strcmp(cmd, "show") == 0)
5615 		return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
5616 	if (os_strncmp(cmd, "add ", 4) == 0)
5617 		return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
5618 	if (os_strncmp(cmd, "done ", 5) == 0)
5619 		return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
5620 	return -1;
5621 }
5622 
5623 
5624 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
5625 {
5626 	struct wpa_radio_work *work, *tmp;
5627 
5628 	if (!wpa_s || !wpa_s->radio)
5629 		return;
5630 
5631 	dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
5632 			      struct wpa_radio_work, list) {
5633 		struct wpa_external_work *ework;
5634 
5635 		if (os_strncmp(work->type, "ext:", 4) != 0)
5636 			continue;
5637 		ework = work->ctx;
5638 		wpa_dbg(wpa_s, MSG_DEBUG,
5639 			"Flushing %sexternal radio work %u (%s)",
5640 			work->started ? " started" : "", ework->id,
5641 			ework->type);
5642 		if (work->started)
5643 			eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
5644 					     work, NULL);
5645 		os_free(ework);
5646 		radio_work_done(work);
5647 	}
5648 }
5649 
5650 
5651 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5652 {
5653 	struct wpa_supplicant *wpa_s = eloop_ctx;
5654 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
5655 }
5656 
5657 
5658 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
5659 {
5660 	int *freqs = NULL;
5661 
5662 	freqs = freq_range_to_channel_list(wpa_s, val);
5663 	if (freqs == NULL)
5664 		return -1;
5665 
5666 	os_free(wpa_s->manual_scan_freqs);
5667 	wpa_s->manual_scan_freqs = freqs;
5668 
5669 	return 0;
5670 }
5671 
5672 
5673 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
5674 			   char *reply, int reply_size, int *reply_len)
5675 {
5676 	char *pos;
5677 
5678 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5679 		*reply_len = -1;
5680 		return;
5681 	}
5682 
5683 	wpa_s->manual_scan_passive = 0;
5684 	wpa_s->manual_scan_use_id = 0;
5685 	wpa_s->manual_scan_only_new = 0;
5686 
5687 	if (params) {
5688 		if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
5689 			wpa_s->scan_res_handler = scan_only_handler;
5690 
5691 		pos = os_strstr(params, "freq=");
5692 		if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
5693 			*reply_len = -1;
5694 			return;
5695 		}
5696 
5697 		pos = os_strstr(params, "passive=");
5698 		if (pos)
5699 			wpa_s->manual_scan_passive = !!atoi(pos + 8);
5700 
5701 		pos = os_strstr(params, "use_id=");
5702 		if (pos)
5703 			wpa_s->manual_scan_use_id = atoi(pos + 7);
5704 
5705 		pos = os_strstr(params, "only_new=1");
5706 		if (pos)
5707 			wpa_s->manual_scan_only_new = 1;
5708 	} else {
5709 		os_free(wpa_s->manual_scan_freqs);
5710 		wpa_s->manual_scan_freqs = NULL;
5711 		if (wpa_s->scan_res_handler == scan_only_handler)
5712 			wpa_s->scan_res_handler = NULL;
5713 	}
5714 
5715 	if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5716 	    ((wpa_s->wpa_state <= WPA_SCANNING) ||
5717 	     (wpa_s->wpa_state == WPA_COMPLETED))) {
5718 		wpa_s->normal_scans = 0;
5719 		wpa_s->scan_req = MANUAL_SCAN_REQ;
5720 		wpa_s->after_wps = 0;
5721 		wpa_s->known_wps_freq = 0;
5722 		wpa_supplicant_req_scan(wpa_s, 0, 0);
5723 		if (wpa_s->manual_scan_use_id) {
5724 			wpa_s->manual_scan_id++;
5725 			wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5726 				wpa_s->manual_scan_id);
5727 			*reply_len = os_snprintf(reply, reply_size, "%u\n",
5728 						 wpa_s->manual_scan_id);
5729 		}
5730 	} else if (wpa_s->sched_scanning) {
5731 		wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
5732 		wpa_supplicant_cancel_sched_scan(wpa_s);
5733 		wpa_s->scan_req = MANUAL_SCAN_REQ;
5734 		wpa_supplicant_req_scan(wpa_s, 0, 0);
5735 		if (wpa_s->manual_scan_use_id) {
5736 			wpa_s->manual_scan_id++;
5737 			*reply_len = os_snprintf(reply, reply_size, "%u\n",
5738 						 wpa_s->manual_scan_id);
5739 			wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
5740 				wpa_s->manual_scan_id);
5741 		}
5742 	} else {
5743 		wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
5744 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
5745 	}
5746 }
5747 
5748 
5749 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5750 					 char *buf, size_t *resp_len)
5751 {
5752 	char *reply;
5753 	const int reply_size = 4096;
5754 	int reply_len;
5755 
5756 	if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5757 	    os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5758 		if (wpa_debug_show_keys)
5759 			wpa_dbg(wpa_s, MSG_DEBUG,
5760 				"Control interface command '%s'", buf);
5761 		else
5762 			wpa_dbg(wpa_s, MSG_DEBUG,
5763 				"Control interface command '%s [REMOVED]'",
5764 				os_strncmp(buf, WPA_CTRL_RSP,
5765 					   os_strlen(WPA_CTRL_RSP)) == 0 ?
5766 				WPA_CTRL_RSP : "SET_NETWORK");
5767 	} else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5768 		   os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5769 		   os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5770 		wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5771 				      (const u8 *) buf, os_strlen(buf));
5772 	} else {
5773 		int level = MSG_DEBUG;
5774 		if (os_strcmp(buf, "PING") == 0)
5775 			level = MSG_EXCESSIVE;
5776 		wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5777 	}
5778 
5779 	reply = os_malloc(reply_size);
5780 	if (reply == NULL) {
5781 		*resp_len = 1;
5782 		return NULL;
5783 	}
5784 
5785 	os_memcpy(reply, "OK\n", 3);
5786 	reply_len = 3;
5787 
5788 	if (os_strcmp(buf, "PING") == 0) {
5789 		os_memcpy(reply, "PONG\n", 5);
5790 		reply_len = 5;
5791 	} else if (os_strcmp(buf, "IFNAME") == 0) {
5792 		reply_len = os_strlen(wpa_s->ifname);
5793 		os_memcpy(reply, wpa_s->ifname, reply_len);
5794 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
5795 		if (wpa_debug_reopen_file() < 0)
5796 			reply_len = -1;
5797 	} else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5798 		wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5799 	} else if (os_strcmp(buf, "MIB") == 0) {
5800 		reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5801 		if (reply_len >= 0) {
5802 			int res;
5803 			res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5804 					       reply_size - reply_len);
5805 			if (res < 0)
5806 				reply_len = -1;
5807 			else
5808 				reply_len += res;
5809 		}
5810 	} else if (os_strncmp(buf, "STATUS", 6) == 0) {
5811 		reply_len = wpa_supplicant_ctrl_iface_status(
5812 			wpa_s, buf + 6, reply, reply_size);
5813 	} else if (os_strcmp(buf, "PMKSA") == 0) {
5814 		reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5815 						    reply_size);
5816 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
5817 		if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5818 			reply_len = -1;
5819 	} else if (os_strncmp(buf, "GET ", 4) == 0) {
5820 		reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5821 							  reply, reply_size);
5822 	} else if (os_strcmp(buf, "LOGON") == 0) {
5823 		eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5824 	} else if (os_strcmp(buf, "LOGOFF") == 0) {
5825 		eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5826 	} else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5827 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5828 			reply_len = -1;
5829 		else
5830 			wpas_request_connection(wpa_s);
5831 	} else if (os_strcmp(buf, "RECONNECT") == 0) {
5832 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5833 			reply_len = -1;
5834 		else if (wpa_s->disconnected)
5835 			wpas_request_connection(wpa_s);
5836 #ifdef IEEE8021X_EAPOL
5837 	} else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5838 		if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5839 			reply_len = -1;
5840 #endif /* IEEE8021X_EAPOL */
5841 #ifdef CONFIG_PEERKEY
5842 	} else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5843 		if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5844 			reply_len = -1;
5845 #endif /* CONFIG_PEERKEY */
5846 #ifdef CONFIG_IEEE80211R
5847 	} else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5848 		if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5849 			reply_len = -1;
5850 #endif /* CONFIG_IEEE80211R */
5851 #ifdef CONFIG_WPS
5852 	} else if (os_strcmp(buf, "WPS_PBC") == 0) {
5853 		int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5854 		if (res == -2) {
5855 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5856 			reply_len = 17;
5857 		} else if (res)
5858 			reply_len = -1;
5859 	} else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5860 		int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5861 		if (res == -2) {
5862 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5863 			reply_len = 17;
5864 		} else if (res)
5865 			reply_len = -1;
5866 	} else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5867 		reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5868 							      reply,
5869 							      reply_size);
5870 	} else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5871 		reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5872 			wpa_s, buf + 14, reply, reply_size);
5873 	} else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5874 		if (wpas_wps_cancel(wpa_s))
5875 			reply_len = -1;
5876 #ifdef CONFIG_WPS_NFC
5877 	} else if (os_strcmp(buf, "WPS_NFC") == 0) {
5878 		if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5879 			reply_len = -1;
5880 	} else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5881 		if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5882 			reply_len = -1;
5883 	} else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5884 		reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5885 			wpa_s, buf + 21, reply, reply_size);
5886 	} else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5887 		reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5888 			wpa_s, buf + 14, reply, reply_size);
5889 	} else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5890 		if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5891 							       buf + 17))
5892 			reply_len = -1;
5893 	} else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5894 		reply_len = wpas_ctrl_nfc_get_handover_req(
5895 			wpa_s, buf + 21, reply, reply_size);
5896 	} else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5897 		reply_len = wpas_ctrl_nfc_get_handover_sel(
5898 			wpa_s, buf + 21, reply, reply_size);
5899 	} else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5900 		reply_len = wpas_ctrl_nfc_rx_handover_req(
5901 			wpa_s, buf + 20, reply, reply_size);
5902 	} else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5903 		if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5904 			reply_len = -1;
5905 	} else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5906 		if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5907 			reply_len = -1;
5908 #endif /* CONFIG_WPS_NFC */
5909 	} else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5910 		if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5911 			reply_len = -1;
5912 #ifdef CONFIG_AP
5913 	} else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5914 		reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5915 			wpa_s, buf + 11, reply, reply_size);
5916 #endif /* CONFIG_AP */
5917 #ifdef CONFIG_WPS_ER
5918 	} else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5919 		if (wpas_wps_er_start(wpa_s, NULL))
5920 			reply_len = -1;
5921 	} else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5922 		if (wpas_wps_er_start(wpa_s, buf + 13))
5923 			reply_len = -1;
5924 	} else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5925 		if (wpas_wps_er_stop(wpa_s))
5926 			reply_len = -1;
5927 	} else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5928 		if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5929 			reply_len = -1;
5930 	} else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5931 		int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5932 		if (ret == -2) {
5933 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5934 			reply_len = 17;
5935 		} else if (ret == -3) {
5936 			os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5937 			reply_len = 18;
5938 		} else if (ret == -4) {
5939 			os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5940 			reply_len = 20;
5941 		} else if (ret)
5942 			reply_len = -1;
5943 	} else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5944 		if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5945 			reply_len = -1;
5946 	} else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5947 		if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5948 								buf + 18))
5949 			reply_len = -1;
5950 	} else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5951 		if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5952 			reply_len = -1;
5953 #ifdef CONFIG_WPS_NFC
5954 	} else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5955 		reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5956 			wpa_s, buf + 24, reply, reply_size);
5957 #endif /* CONFIG_WPS_NFC */
5958 #endif /* CONFIG_WPS_ER */
5959 #endif /* CONFIG_WPS */
5960 #ifdef CONFIG_IBSS_RSN
5961 	} else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5962 		if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5963 			reply_len = -1;
5964 #endif /* CONFIG_IBSS_RSN */
5965 #ifdef CONFIG_P2P
5966 	} else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5967 		if (p2p_ctrl_find(wpa_s, buf + 9))
5968 			reply_len = -1;
5969 	} else if (os_strcmp(buf, "P2P_FIND") == 0) {
5970 		if (p2p_ctrl_find(wpa_s, ""))
5971 			reply_len = -1;
5972 	} else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5973 		wpas_p2p_stop_find(wpa_s);
5974 	} else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5975 		reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5976 					     reply_size);
5977 	} else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5978 		if (p2p_ctrl_listen(wpa_s, buf + 11))
5979 			reply_len = -1;
5980 	} else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5981 		if (p2p_ctrl_listen(wpa_s, ""))
5982 			reply_len = -1;
5983 	} else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5984 		if (wpas_p2p_group_remove(wpa_s, buf + 17))
5985 			reply_len = -1;
5986 	} else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5987 		if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
5988 			reply_len = -1;
5989 	} else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5990 		if (p2p_ctrl_group_add(wpa_s, buf + 14))
5991 			reply_len = -1;
5992 	} else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5993 		if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5994 			reply_len = -1;
5995 	} else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5996 		reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5997 	} else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5998 		reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5999 						   reply_size);
6000 	} else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
6001 		if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
6002 			reply_len = -1;
6003 	} else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
6004 		if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
6005 			reply_len = -1;
6006 	} else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
6007 		wpas_p2p_sd_service_update(wpa_s);
6008 	} else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
6009 		if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
6010 			reply_len = -1;
6011 	} else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
6012 		wpas_p2p_service_flush(wpa_s);
6013 	} else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
6014 		if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
6015 			reply_len = -1;
6016 	} else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
6017 		if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
6018 			reply_len = -1;
6019 	} else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
6020 		if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
6021 			reply_len = -1;
6022 	} else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
6023 		if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
6024 			reply_len = -1;
6025 	} else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
6026 		reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
6027 					      reply_size);
6028 	} else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
6029 		if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
6030 			reply_len = -1;
6031 	} else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
6032 		p2p_ctrl_flush(wpa_s);
6033 	} else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
6034 		if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
6035 			reply_len = -1;
6036 	} else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
6037 		if (wpas_p2p_cancel(wpa_s))
6038 			reply_len = -1;
6039 	} else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
6040 		if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
6041 			reply_len = -1;
6042 	} else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
6043 		if (p2p_ctrl_presence_req(wpa_s, "") < 0)
6044 			reply_len = -1;
6045 	} else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
6046 		if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
6047 			reply_len = -1;
6048 	} else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
6049 		if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
6050 			reply_len = -1;
6051 	} else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
6052 		if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
6053 			reply_len = -1;
6054 #endif /* CONFIG_P2P */
6055 #ifdef CONFIG_WIFI_DISPLAY
6056 	} else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
6057 		if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
6058 			reply_len = -1;
6059 	} else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
6060 		reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
6061 						     reply, reply_size);
6062 #endif /* CONFIG_WIFI_DISPLAY */
6063 #ifdef CONFIG_INTERWORKING
6064 	} else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
6065 		if (interworking_fetch_anqp(wpa_s) < 0)
6066 			reply_len = -1;
6067 	} else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
6068 		interworking_stop_fetch_anqp(wpa_s);
6069 	} else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
6070 		if (ctrl_interworking_select(wpa_s, NULL) < 0)
6071 			reply_len = -1;
6072 	} else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
6073 		if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
6074 			reply_len = -1;
6075 	} else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
6076 		if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
6077 			reply_len = -1;
6078 	} else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
6079 		if (get_anqp(wpa_s, buf + 9) < 0)
6080 			reply_len = -1;
6081 	} else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
6082 		if (gas_request(wpa_s, buf + 12) < 0)
6083 			reply_len = -1;
6084 	} else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
6085 		reply_len = gas_response_get(wpa_s, buf + 17, reply,
6086 					     reply_size);
6087 #endif /* CONFIG_INTERWORKING */
6088 #ifdef CONFIG_HS20
6089 	} else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
6090 		if (get_hs20_anqp(wpa_s, buf + 14) < 0)
6091 			reply_len = -1;
6092 	} else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
6093 		if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
6094 			reply_len = -1;
6095 #endif /* CONFIG_HS20 */
6096 	} else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
6097 	{
6098 		if (wpa_supplicant_ctrl_iface_ctrl_rsp(
6099 			    wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
6100 			reply_len = -1;
6101 		else {
6102 			/*
6103 			 * Notify response from timeout to allow the control
6104 			 * interface response to be sent first.
6105 			 */
6106 			eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
6107 					       wpa_s, NULL);
6108 		}
6109 	} else if (os_strcmp(buf, "RECONFIGURE") == 0) {
6110 		if (wpa_supplicant_reload_configuration(wpa_s))
6111 			reply_len = -1;
6112 	} else if (os_strcmp(buf, "TERMINATE") == 0) {
6113 		wpa_supplicant_terminate_proc(wpa_s->global);
6114 	} else if (os_strncmp(buf, "BSSID ", 6) == 0) {
6115 		if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
6116 			reply_len = -1;
6117 	} else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
6118 		reply_len = wpa_supplicant_ctrl_iface_blacklist(
6119 			wpa_s, buf + 9, reply, reply_size);
6120 	} else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
6121 		reply_len = wpa_supplicant_ctrl_iface_log_level(
6122 			wpa_s, buf + 9, reply, reply_size);
6123 	} else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
6124 		reply_len = wpa_supplicant_ctrl_iface_list_networks(
6125 			wpa_s, reply, reply_size);
6126 	} else if (os_strcmp(buf, "DISCONNECT") == 0) {
6127 #ifdef CONFIG_SME
6128 		wpa_s->sme.prev_bssid_set = 0;
6129 #endif /* CONFIG_SME */
6130 		wpa_s->reassociate = 0;
6131 		wpa_s->disconnected = 1;
6132 		wpa_supplicant_cancel_sched_scan(wpa_s);
6133 		wpa_supplicant_cancel_scan(wpa_s);
6134 		wpa_supplicant_deauthenticate(wpa_s,
6135 					      WLAN_REASON_DEAUTH_LEAVING);
6136 	} else if (os_strcmp(buf, "SCAN") == 0) {
6137 		wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
6138 	} else if (os_strncmp(buf, "SCAN ", 5) == 0) {
6139 		wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
6140 	} else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
6141 		reply_len = wpa_supplicant_ctrl_iface_scan_results(
6142 			wpa_s, reply, reply_size);
6143 	} else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
6144 		if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
6145 			reply_len = -1;
6146 	} else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
6147 		if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
6148 			reply_len = -1;
6149 	} else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
6150 		if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
6151 			reply_len = -1;
6152 	} else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
6153 		reply_len = wpa_supplicant_ctrl_iface_add_network(
6154 			wpa_s, reply, reply_size);
6155 	} else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
6156 		if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
6157 			reply_len = -1;
6158 	} else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
6159 		if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
6160 			reply_len = -1;
6161 	} else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
6162 		reply_len = wpa_supplicant_ctrl_iface_get_network(
6163 			wpa_s, buf + 12, reply, reply_size);
6164 	} else if (os_strcmp(buf, "LIST_CREDS") == 0) {
6165 		reply_len = wpa_supplicant_ctrl_iface_list_creds(
6166 			wpa_s, reply, reply_size);
6167 	} else if (os_strcmp(buf, "ADD_CRED") == 0) {
6168 		reply_len = wpa_supplicant_ctrl_iface_add_cred(
6169 			wpa_s, reply, reply_size);
6170 	} else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
6171 		if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
6172 			reply_len = -1;
6173 	} else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
6174 		if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
6175 			reply_len = -1;
6176 #ifndef CONFIG_NO_CONFIG_WRITE
6177 	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6178 		if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
6179 			reply_len = -1;
6180 #endif /* CONFIG_NO_CONFIG_WRITE */
6181 	} else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
6182 		reply_len = wpa_supplicant_ctrl_iface_get_capability(
6183 			wpa_s, buf + 15, reply, reply_size);
6184 	} else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
6185 		if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
6186 			reply_len = -1;
6187 	} else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
6188 		if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
6189 			reply_len = -1;
6190 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6191 		reply_len = wpa_supplicant_global_iface_list(
6192 			wpa_s->global, reply, reply_size);
6193 	} else if (os_strcmp(buf, "INTERFACES") == 0) {
6194 		reply_len = wpa_supplicant_global_iface_interfaces(
6195 			wpa_s->global, reply, reply_size);
6196 	} else if (os_strncmp(buf, "BSS ", 4) == 0) {
6197 		reply_len = wpa_supplicant_ctrl_iface_bss(
6198 			wpa_s, buf + 4, reply, reply_size);
6199 #ifdef CONFIG_AP
6200 	} else if (os_strcmp(buf, "STA-FIRST") == 0) {
6201 		reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
6202 	} else if (os_strncmp(buf, "STA ", 4) == 0) {
6203 		reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
6204 					      reply_size);
6205 	} else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
6206 		reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
6207 						   reply_size);
6208 	} else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
6209 		if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
6210 			reply_len = -1;
6211 	} else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
6212 		if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
6213 			reply_len = -1;
6214 	} else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
6215 		if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
6216 			reply_len = -1;
6217 #endif /* CONFIG_AP */
6218 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
6219 		wpas_notify_suspend(wpa_s->global);
6220 	} else if (os_strcmp(buf, "RESUME") == 0) {
6221 		wpas_notify_resume(wpa_s->global);
6222 	} else if (os_strcmp(buf, "DROP_SA") == 0) {
6223 		wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
6224 	} else if (os_strncmp(buf, "ROAM ", 5) == 0) {
6225 		if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
6226 			reply_len = -1;
6227 	} else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
6228 		if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
6229 			reply_len = -1;
6230 	} else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
6231 		if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
6232 			reply_len = -1;
6233 	} else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
6234 		if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
6235 							       buf + 17))
6236 			reply_len = -1;
6237 	} else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
6238 		if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
6239 			reply_len = -1;
6240 #ifdef CONFIG_TDLS
6241 	} else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
6242 		if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
6243 			reply_len = -1;
6244 	} else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
6245 		if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
6246 			reply_len = -1;
6247 	} else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
6248 		if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
6249 			reply_len = -1;
6250 #endif /* CONFIG_TDLS */
6251 	} else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
6252 		reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
6253 						       reply_size);
6254 	} else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
6255 		reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
6256 						       reply_size);
6257 #ifdef CONFIG_AUTOSCAN
6258 	} else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
6259 		if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
6260 			reply_len = -1;
6261 #endif /* CONFIG_AUTOSCAN */
6262 #ifdef ANDROID
6263 	} else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
6264 		reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
6265 						      reply_size);
6266 #endif /* ANDROID */
6267 	} else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
6268 		pmksa_cache_clear_current(wpa_s->wpa);
6269 		eapol_sm_request_reauth(wpa_s->eapol);
6270 #ifdef CONFIG_WNM
6271 	} else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
6272 		if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
6273 			reply_len = -1;
6274 	} else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
6275 		if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
6276 				reply_len = -1;
6277 #endif /* CONFIG_WNM */
6278 	} else if (os_strcmp(buf, "FLUSH") == 0) {
6279 		wpa_supplicant_ctrl_iface_flush(wpa_s);
6280 	} else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
6281 		reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
6282 						 reply_size);
6283 	} else {
6284 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6285 		reply_len = 16;
6286 	}
6287 
6288 	if (reply_len < 0) {
6289 		os_memcpy(reply, "FAIL\n", 5);
6290 		reply_len = 5;
6291 	}
6292 
6293 	*resp_len = reply_len;
6294 	return reply;
6295 }
6296 
6297 
6298 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
6299 					   char *cmd)
6300 {
6301 	struct wpa_interface iface;
6302 	char *pos;
6303 
6304 	/*
6305 	 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
6306 	 * TAB<bridge_ifname>
6307 	 */
6308 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
6309 
6310 	os_memset(&iface, 0, sizeof(iface));
6311 
6312 	do {
6313 		iface.ifname = pos = cmd;
6314 		pos = os_strchr(pos, '\t');
6315 		if (pos)
6316 			*pos++ = '\0';
6317 		if (iface.ifname[0] == '\0')
6318 			return -1;
6319 		if (pos == NULL)
6320 			break;
6321 
6322 		iface.confname = pos;
6323 		pos = os_strchr(pos, '\t');
6324 		if (pos)
6325 			*pos++ = '\0';
6326 		if (iface.confname[0] == '\0')
6327 			iface.confname = NULL;
6328 		if (pos == NULL)
6329 			break;
6330 
6331 		iface.driver = pos;
6332 		pos = os_strchr(pos, '\t');
6333 		if (pos)
6334 			*pos++ = '\0';
6335 		if (iface.driver[0] == '\0')
6336 			iface.driver = NULL;
6337 		if (pos == NULL)
6338 			break;
6339 
6340 		iface.ctrl_interface = pos;
6341 		pos = os_strchr(pos, '\t');
6342 		if (pos)
6343 			*pos++ = '\0';
6344 		if (iface.ctrl_interface[0] == '\0')
6345 			iface.ctrl_interface = NULL;
6346 		if (pos == NULL)
6347 			break;
6348 
6349 		iface.driver_param = pos;
6350 		pos = os_strchr(pos, '\t');
6351 		if (pos)
6352 			*pos++ = '\0';
6353 		if (iface.driver_param[0] == '\0')
6354 			iface.driver_param = NULL;
6355 		if (pos == NULL)
6356 			break;
6357 
6358 		iface.bridge_ifname = pos;
6359 		pos = os_strchr(pos, '\t');
6360 		if (pos)
6361 			*pos++ = '\0';
6362 		if (iface.bridge_ifname[0] == '\0')
6363 			iface.bridge_ifname = NULL;
6364 		if (pos == NULL)
6365 			break;
6366 	} while (0);
6367 
6368 	if (wpa_supplicant_get_iface(global, iface.ifname))
6369 		return -1;
6370 
6371 	return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
6372 }
6373 
6374 
6375 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
6376 					      char *cmd)
6377 {
6378 	struct wpa_supplicant *wpa_s;
6379 
6380 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
6381 
6382 	wpa_s = wpa_supplicant_get_iface(global, cmd);
6383 	if (wpa_s == NULL)
6384 		return -1;
6385 	return wpa_supplicant_remove_iface(global, wpa_s, 0);
6386 }
6387 
6388 
6389 static void wpa_free_iface_info(struct wpa_interface_info *iface)
6390 {
6391 	struct wpa_interface_info *prev;
6392 
6393 	while (iface) {
6394 		prev = iface;
6395 		iface = iface->next;
6396 
6397 		os_free(prev->ifname);
6398 		os_free(prev->desc);
6399 		os_free(prev);
6400 	}
6401 }
6402 
6403 
6404 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
6405 					    char *buf, int len)
6406 {
6407 	int i, res;
6408 	struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
6409 	char *pos, *end;
6410 
6411 	for (i = 0; wpa_drivers[i]; i++) {
6412 		struct wpa_driver_ops *drv = wpa_drivers[i];
6413 		if (drv->get_interfaces == NULL)
6414 			continue;
6415 		tmp = drv->get_interfaces(global->drv_priv[i]);
6416 		if (tmp == NULL)
6417 			continue;
6418 
6419 		if (last == NULL)
6420 			iface = last = tmp;
6421 		else
6422 			last->next = tmp;
6423 		while (last->next)
6424 			last = last->next;
6425 	}
6426 
6427 	pos = buf;
6428 	end = buf + len;
6429 	for (tmp = iface; tmp; tmp = tmp->next) {
6430 		res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
6431 				  tmp->drv_name, tmp->ifname,
6432 				  tmp->desc ? tmp->desc : "");
6433 		if (res < 0 || res >= end - pos) {
6434 			*pos = '\0';
6435 			break;
6436 		}
6437 		pos += res;
6438 	}
6439 
6440 	wpa_free_iface_info(iface);
6441 
6442 	return pos - buf;
6443 }
6444 
6445 
6446 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
6447 						  char *buf, int len)
6448 {
6449 	int res;
6450 	char *pos, *end;
6451 	struct wpa_supplicant *wpa_s;
6452 
6453 	wpa_s = global->ifaces;
6454 	pos = buf;
6455 	end = buf + len;
6456 
6457 	while (wpa_s) {
6458 		res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
6459 		if (res < 0 || res >= end - pos) {
6460 			*pos = '\0';
6461 			break;
6462 		}
6463 		pos += res;
6464 		wpa_s = wpa_s->next;
6465 	}
6466 	return pos - buf;
6467 }
6468 
6469 
6470 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
6471 					    const char *ifname,
6472 					    char *cmd, size_t *resp_len)
6473 {
6474 	struct wpa_supplicant *wpa_s;
6475 
6476 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6477 		if (os_strcmp(ifname, wpa_s->ifname) == 0)
6478 			break;
6479 	}
6480 
6481 	if (wpa_s == NULL) {
6482 		char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
6483 		if (resp)
6484 			*resp_len = os_strlen(resp);
6485 		else
6486 			*resp_len = 1;
6487 		return resp;
6488 	}
6489 
6490 	return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
6491 }
6492 
6493 
6494 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
6495 					       char *buf, size_t *resp_len)
6496 {
6497 #ifdef CONFIG_P2P
6498 	static const char * cmd[] = {
6499 		"LIST_NETWORKS",
6500 		"SAVE_CONFIG",
6501 		"P2P_FIND",
6502 		"P2P_STOP_FIND",
6503 		"P2P_LISTEN",
6504 		"P2P_GROUP_ADD",
6505 		"P2P_GET_PASSPHRASE",
6506 		"P2P_SERVICE_UPDATE",
6507 		"P2P_SERVICE_FLUSH",
6508 		"P2P_FLUSH",
6509 		"P2P_CANCEL",
6510 		"P2P_PRESENCE_REQ",
6511 		"P2P_EXT_LISTEN",
6512 		NULL
6513 	};
6514 	static const char * prefix[] = {
6515 #ifdef ANDROID
6516 		"DRIVER ",
6517 #endif /* ANDROID */
6518 		"GET_NETWORK ",
6519 		"REMOVE_NETWORK ",
6520 		"SET ",
6521 		"P2P_FIND ",
6522 		"P2P_CONNECT ",
6523 		"P2P_LISTEN ",
6524 		"P2P_GROUP_REMOVE ",
6525 		"P2P_GROUP_ADD ",
6526 		"P2P_PROV_DISC ",
6527 		"P2P_SERV_DISC_REQ ",
6528 		"P2P_SERV_DISC_CANCEL_REQ ",
6529 		"P2P_SERV_DISC_RESP ",
6530 		"P2P_SERV_DISC_EXTERNAL ",
6531 		"P2P_SERVICE_ADD ",
6532 		"P2P_SERVICE_DEL ",
6533 		"P2P_REJECT ",
6534 		"P2P_INVITE ",
6535 		"P2P_PEER ",
6536 		"P2P_SET ",
6537 		"P2P_UNAUTHORIZE ",
6538 		"P2P_PRESENCE_REQ ",
6539 		"P2P_EXT_LISTEN ",
6540 		"P2P_REMOVE_CLIENT ",
6541 		NULL
6542 	};
6543 	int found = 0;
6544 	int i;
6545 
6546 	if (global->p2p_init_wpa_s == NULL)
6547 		return NULL;
6548 
6549 	for (i = 0; !found && cmd[i]; i++) {
6550 		if (os_strcmp(buf, cmd[i]) == 0)
6551 			found = 1;
6552 	}
6553 
6554 	for (i = 0; !found && prefix[i]; i++) {
6555 		if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
6556 			found = 1;
6557 	}
6558 
6559 	if (found)
6560 		return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6561 							 buf, resp_len);
6562 #endif /* CONFIG_P2P */
6563 	return NULL;
6564 }
6565 
6566 
6567 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6568 					       char *buf, size_t *resp_len)
6569 {
6570 #ifdef CONFIG_WIFI_DISPLAY
6571 	if (global->p2p_init_wpa_s == NULL)
6572 		return NULL;
6573 	if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6574 	    os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6575 		return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6576 							 buf, resp_len);
6577 #endif /* CONFIG_WIFI_DISPLAY */
6578 	return NULL;
6579 }
6580 
6581 
6582 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6583 					   char *buf, size_t *resp_len)
6584 {
6585 	char *ret;
6586 
6587 	ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6588 	if (ret)
6589 		return ret;
6590 
6591 	ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6592 	if (ret)
6593 		return ret;
6594 
6595 	return NULL;
6596 }
6597 
6598 
6599 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6600 {
6601 	char *value;
6602 
6603 	value = os_strchr(cmd, ' ');
6604 	if (value == NULL)
6605 		return -1;
6606 	*value++ = '\0';
6607 
6608 	wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6609 
6610 #ifdef CONFIG_WIFI_DISPLAY
6611 	if (os_strcasecmp(cmd, "wifi_display") == 0) {
6612 		wifi_display_enable(global, !!atoi(value));
6613 		return 0;
6614 	}
6615 #endif /* CONFIG_WIFI_DISPLAY */
6616 
6617 	return -1;
6618 }
6619 
6620 
6621 #ifndef CONFIG_NO_CONFIG_WRITE
6622 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6623 {
6624 	int ret = 0;
6625 	struct wpa_supplicant *wpa_s;
6626 
6627 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6628 		if (!wpa_s->conf->update_config) {
6629 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6630 			continue;
6631 		}
6632 
6633 		if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6634 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6635 			ret = 1;
6636 		} else {
6637 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6638 		}
6639 	}
6640 
6641 	return ret;
6642 }
6643 #endif /* CONFIG_NO_CONFIG_WRITE */
6644 
6645 
6646 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6647 					 char *buf, size_t buflen)
6648 {
6649 	char *pos, *end;
6650 	int ret;
6651 	struct wpa_supplicant *wpa_s;
6652 
6653 	pos = buf;
6654 	end = buf + buflen;
6655 
6656 #ifdef CONFIG_P2P
6657 	if (global->p2p && !global->p2p_disabled) {
6658 		ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6659 				  "\n"
6660 				  "p2p_state=%s\n",
6661 				  MAC2STR(global->p2p_dev_addr),
6662 				  p2p_get_state_txt(global->p2p));
6663 		if (ret < 0 || ret >= end - pos)
6664 			return pos - buf;
6665 		pos += ret;
6666 	} else if (global->p2p) {
6667 		ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6668 		if (ret < 0 || ret >= end - pos)
6669 			return pos - buf;
6670 		pos += ret;
6671 	}
6672 #endif /* CONFIG_P2P */
6673 
6674 #ifdef CONFIG_WIFI_DISPLAY
6675 	ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6676 			  !!global->wifi_display);
6677 	if (ret < 0 || ret >= end - pos)
6678 		return pos - buf;
6679 	pos += ret;
6680 #endif /* CONFIG_WIFI_DISPLAY */
6681 
6682 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6683 		ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6684 				  "address=" MACSTR "\n",
6685 				  wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6686 		if (ret < 0 || ret >= end - pos)
6687 			return pos - buf;
6688 		pos += ret;
6689 	}
6690 
6691 	return pos - buf;
6692 }
6693 
6694 
6695 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6696 						char *buf, size_t *resp_len)
6697 {
6698 	char *reply;
6699 	const int reply_size = 2048;
6700 	int reply_len;
6701 	int level = MSG_DEBUG;
6702 
6703 	if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6704 		char *pos = os_strchr(buf + 7, ' ');
6705 		if (pos) {
6706 			*pos++ = '\0';
6707 			return wpas_global_ctrl_iface_ifname(global,
6708 							     buf + 7, pos,
6709 							     resp_len);
6710 		}
6711 	}
6712 
6713 	reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6714 	if (reply)
6715 		return reply;
6716 
6717 	if (os_strcmp(buf, "PING") == 0)
6718 		level = MSG_EXCESSIVE;
6719 	wpa_hexdump_ascii(level, "RX global ctrl_iface",
6720 			  (const u8 *) buf, os_strlen(buf));
6721 
6722 	reply = os_malloc(reply_size);
6723 	if (reply == NULL) {
6724 		*resp_len = 1;
6725 		return NULL;
6726 	}
6727 
6728 	os_memcpy(reply, "OK\n", 3);
6729 	reply_len = 3;
6730 
6731 	if (os_strcmp(buf, "PING") == 0) {
6732 		os_memcpy(reply, "PONG\n", 5);
6733 		reply_len = 5;
6734 	} else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6735 		if (wpa_supplicant_global_iface_add(global, buf + 14))
6736 			reply_len = -1;
6737 	} else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6738 		if (wpa_supplicant_global_iface_remove(global, buf + 17))
6739 			reply_len = -1;
6740 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6741 		reply_len = wpa_supplicant_global_iface_list(
6742 			global, reply, reply_size);
6743 	} else if (os_strcmp(buf, "INTERFACES") == 0) {
6744 		reply_len = wpa_supplicant_global_iface_interfaces(
6745 			global, reply, reply_size);
6746 	} else if (os_strcmp(buf, "TERMINATE") == 0) {
6747 		wpa_supplicant_terminate_proc(global);
6748 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
6749 		wpas_notify_suspend(global);
6750 	} else if (os_strcmp(buf, "RESUME") == 0) {
6751 		wpas_notify_resume(global);
6752 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
6753 		if (wpas_global_ctrl_iface_set(global, buf + 4))
6754 			reply_len = -1;
6755 #ifndef CONFIG_NO_CONFIG_WRITE
6756 	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6757 		if (wpas_global_ctrl_iface_save_config(global))
6758 			reply_len = -1;
6759 #endif /* CONFIG_NO_CONFIG_WRITE */
6760 	} else if (os_strcmp(buf, "STATUS") == 0) {
6761 		reply_len = wpas_global_ctrl_iface_status(global, reply,
6762 							  reply_size);
6763 	} else {
6764 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6765 		reply_len = 16;
6766 	}
6767 
6768 	if (reply_len < 0) {
6769 		os_memcpy(reply, "FAIL\n", 5);
6770 		reply_len = 5;
6771 	}
6772 
6773 	*resp_len = reply_len;
6774 	return reply;
6775 }
6776