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1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2015, 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 #ifdef CONFIG_TESTING_OPTIONS
11 #include <net/ethernet.h>
12 #include <netinet/ip.h>
13 #endif /* CONFIG_TESTING_OPTIONS */
14 
15 #include "utils/common.h"
16 #include "utils/eloop.h"
17 #include "utils/uuid.h"
18 #include "utils/module_tests.h"
19 #include "common/version.h"
20 #include "common/ieee802_11_defs.h"
21 #include "common/ieee802_11_common.h"
22 #include "common/wpa_ctrl.h"
23 #include "crypto/tls.h"
24 #include "ap/hostapd.h"
25 #include "eap_peer/eap.h"
26 #include "eapol_supp/eapol_supp_sm.h"
27 #include "rsn_supp/wpa.h"
28 #include "rsn_supp/preauth.h"
29 #include "rsn_supp/pmksa_cache.h"
30 #include "l2_packet/l2_packet.h"
31 #include "wps/wps.h"
32 #include "fst/fst.h"
33 #include "fst/fst_ctrl_iface.h"
34 #include "config.h"
35 #include "wpa_supplicant_i.h"
36 #include "driver_i.h"
37 #include "wps_supplicant.h"
38 #include "ibss_rsn.h"
39 #include "ap.h"
40 #include "p2p_supplicant.h"
41 #include "p2p/p2p.h"
42 #include "hs20_supplicant.h"
43 #include "wifi_display.h"
44 #include "notify.h"
45 #include "bss.h"
46 #include "scan.h"
47 #include "ctrl_iface.h"
48 #include "interworking.h"
49 #include "blacklist.h"
50 #include "autoscan.h"
51 #include "wnm_sta.h"
52 #include "offchannel.h"
53 #include "drivers/driver.h"
54 #include "mesh.h"
55 
56 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
57 					    char *buf, int len);
58 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
59 						  const char *input,
60 						  char *buf, int len);
61 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
62 					char *val);
63 
set_bssid_filter(struct wpa_supplicant * wpa_s,char * val)64 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
65 {
66 	char *pos;
67 	u8 addr[ETH_ALEN], *filter = NULL, *n;
68 	size_t count = 0;
69 
70 	pos = val;
71 	while (pos) {
72 		if (*pos == '\0')
73 			break;
74 		if (hwaddr_aton(pos, addr)) {
75 			os_free(filter);
76 			return -1;
77 		}
78 		n = os_realloc_array(filter, count + 1, ETH_ALEN);
79 		if (n == NULL) {
80 			os_free(filter);
81 			return -1;
82 		}
83 		filter = n;
84 		os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
85 		count++;
86 
87 		pos = os_strchr(pos, ' ');
88 		if (pos)
89 			pos++;
90 	}
91 
92 	wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
93 	os_free(wpa_s->bssid_filter);
94 	wpa_s->bssid_filter = filter;
95 	wpa_s->bssid_filter_count = count;
96 
97 	return 0;
98 }
99 
100 
set_disallow_aps(struct wpa_supplicant * wpa_s,char * val)101 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
102 {
103 	char *pos;
104 	u8 addr[ETH_ALEN], *bssid = NULL, *n;
105 	struct wpa_ssid_value *ssid = NULL, *ns;
106 	size_t count = 0, ssid_count = 0;
107 	struct wpa_ssid *c;
108 
109 	/*
110 	 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
111 	 * SSID_SPEC ::= ssid <SSID_HEX>
112 	 * BSSID_SPEC ::= bssid <BSSID_HEX>
113 	 */
114 
115 	pos = val;
116 	while (pos) {
117 		if (*pos == '\0')
118 			break;
119 		if (os_strncmp(pos, "bssid ", 6) == 0) {
120 			int res;
121 			pos += 6;
122 			res = hwaddr_aton2(pos, addr);
123 			if (res < 0) {
124 				os_free(ssid);
125 				os_free(bssid);
126 				wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
127 					   "BSSID value '%s'", pos);
128 				return -1;
129 			}
130 			pos += res;
131 			n = os_realloc_array(bssid, count + 1, ETH_ALEN);
132 			if (n == NULL) {
133 				os_free(ssid);
134 				os_free(bssid);
135 				return -1;
136 			}
137 			bssid = n;
138 			os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
139 			count++;
140 		} else if (os_strncmp(pos, "ssid ", 5) == 0) {
141 			char *end;
142 			pos += 5;
143 
144 			end = pos;
145 			while (*end) {
146 				if (*end == '\0' || *end == ' ')
147 					break;
148 				end++;
149 			}
150 
151 			ns = os_realloc_array(ssid, ssid_count + 1,
152 					      sizeof(struct wpa_ssid_value));
153 			if (ns == NULL) {
154 				os_free(ssid);
155 				os_free(bssid);
156 				return -1;
157 			}
158 			ssid = ns;
159 
160 			if ((end - pos) & 0x01 ||
161 			    end - pos > 2 * SSID_MAX_LEN ||
162 			    hexstr2bin(pos, ssid[ssid_count].ssid,
163 				       (end - pos) / 2) < 0) {
164 				os_free(ssid);
165 				os_free(bssid);
166 				wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
167 					   "SSID value '%s'", pos);
168 				return -1;
169 			}
170 			ssid[ssid_count].ssid_len = (end - pos) / 2;
171 			wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
172 					  ssid[ssid_count].ssid,
173 					  ssid[ssid_count].ssid_len);
174 			ssid_count++;
175 			pos = end;
176 		} else {
177 			wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
178 				   "'%s'", pos);
179 			os_free(ssid);
180 			os_free(bssid);
181 			return -1;
182 		}
183 
184 		pos = os_strchr(pos, ' ');
185 		if (pos)
186 			pos++;
187 	}
188 
189 	wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
190 	os_free(wpa_s->disallow_aps_bssid);
191 	wpa_s->disallow_aps_bssid = bssid;
192 	wpa_s->disallow_aps_bssid_count = count;
193 
194 	wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
195 	os_free(wpa_s->disallow_aps_ssid);
196 	wpa_s->disallow_aps_ssid = ssid;
197 	wpa_s->disallow_aps_ssid_count = ssid_count;
198 
199 	if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
200 		return 0;
201 
202 	c = wpa_s->current_ssid;
203 	if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
204 		return 0;
205 
206 	if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
207 	    !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
208 		return 0;
209 
210 	wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
211 		   "because current AP was marked disallowed");
212 
213 #ifdef CONFIG_SME
214 	wpa_s->sme.prev_bssid_set = 0;
215 #endif /* CONFIG_SME */
216 	wpa_s->reassociate = 1;
217 	wpa_s->own_disconnect_req = 1;
218 	wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
219 	wpa_supplicant_req_scan(wpa_s, 0, 0);
220 
221 	return 0;
222 }
223 
224 
225 #ifndef CONFIG_NO_CONFIG_BLOBS
wpas_ctrl_set_blob(struct wpa_supplicant * wpa_s,char * pos)226 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
227 {
228 	char *name = pos;
229 	struct wpa_config_blob *blob;
230 	size_t len;
231 
232 	pos = os_strchr(pos, ' ');
233 	if (pos == NULL)
234 		return -1;
235 	*pos++ = '\0';
236 	len = os_strlen(pos);
237 	if (len & 1)
238 		return -1;
239 
240 	wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
241 	blob = os_zalloc(sizeof(*blob));
242 	if (blob == NULL)
243 		return -1;
244 	blob->name = os_strdup(name);
245 	blob->data = os_malloc(len / 2);
246 	if (blob->name == NULL || blob->data == NULL) {
247 		wpa_config_free_blob(blob);
248 		return -1;
249 	}
250 
251 	if (hexstr2bin(pos, blob->data, len / 2) < 0) {
252 		wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
253 		wpa_config_free_blob(blob);
254 		return -1;
255 	}
256 	blob->len = len / 2;
257 
258 	wpa_config_set_blob(wpa_s->conf, blob);
259 
260 	return 0;
261 }
262 #endif /* CONFIG_NO_CONFIG_BLOBS */
263 
264 
wpas_ctrl_pno(struct wpa_supplicant * wpa_s,char * cmd)265 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
266 {
267 	char *params;
268 	char *pos;
269 	int *freqs = NULL;
270 	int ret;
271 
272 	if (atoi(cmd)) {
273 		params = os_strchr(cmd, ' ');
274 		os_free(wpa_s->manual_sched_scan_freqs);
275 		if (params) {
276 			params++;
277 			pos = os_strstr(params, "freq=");
278 			if (pos)
279 				freqs = freq_range_to_channel_list(wpa_s,
280 								   pos + 5);
281 		}
282 		wpa_s->manual_sched_scan_freqs = freqs;
283 		ret = wpas_start_pno(wpa_s);
284 	} else {
285 		ret = wpas_stop_pno(wpa_s);
286 	}
287 	return ret;
288 }
289 
290 
wpas_ctrl_set_band(struct wpa_supplicant * wpa_s,char * band)291 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
292 {
293 	union wpa_event_data event;
294 
295 	if (os_strcmp(band, "AUTO") == 0)
296 		wpa_s->setband = WPA_SETBAND_AUTO;
297 	else if (os_strcmp(band, "5G") == 0)
298 		wpa_s->setband = WPA_SETBAND_5G;
299 	else if (os_strcmp(band, "2G") == 0)
300 		wpa_s->setband = WPA_SETBAND_2G;
301 	else
302 		return -1;
303 
304 	if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
305 		os_memset(&event, 0, sizeof(event));
306 		event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
307 		event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
308 		wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
309 	}
310 
311 	return 0;
312 }
313 
314 
wpas_ctrl_iface_set_lci(struct wpa_supplicant * wpa_s,const char * cmd)315 static int wpas_ctrl_iface_set_lci(struct wpa_supplicant *wpa_s,
316 				   const char *cmd)
317 {
318 	struct wpabuf *lci;
319 
320 	if (*cmd == '\0' || os_strcmp(cmd, "\"\"") == 0) {
321 		wpabuf_free(wpa_s->lci);
322 		wpa_s->lci = NULL;
323 		return 0;
324 	}
325 
326 	lci = wpabuf_parse_bin(cmd);
327 	if (!lci)
328 		return -1;
329 
330 	if (os_get_reltime(&wpa_s->lci_time)) {
331 		wpabuf_free(lci);
332 		return -1;
333 	}
334 
335 	wpabuf_free(wpa_s->lci);
336 	wpa_s->lci = lci;
337 
338 	return 0;
339 }
340 
341 
342 static int
wpas_ctrl_set_relative_rssi(struct wpa_supplicant * wpa_s,const char * cmd)343 wpas_ctrl_set_relative_rssi(struct wpa_supplicant *wpa_s, const char *cmd)
344 {
345 	int relative_rssi;
346 
347 	if (os_strcmp(cmd, "disable") == 0) {
348 		wpa_s->srp.relative_rssi_set = 0;
349 		return 0;
350 	}
351 
352 	relative_rssi = atoi(cmd);
353 	if (relative_rssi < 0 || relative_rssi > 100)
354 		return -1;
355 	wpa_s->srp.relative_rssi = relative_rssi;
356 	wpa_s->srp.relative_rssi_set = 1;
357 	return 0;
358 }
359 
360 
wpas_ctrl_set_relative_band_adjust(struct wpa_supplicant * wpa_s,const char * cmd)361 static int wpas_ctrl_set_relative_band_adjust(struct wpa_supplicant *wpa_s,
362 					      const char *cmd)
363 {
364 	char *pos;
365 	int adjust_rssi;
366 
367 	/* <band>:adjust_value */
368 	pos = os_strchr(cmd, ':');
369 	if (!pos)
370 		return -1;
371 	pos++;
372 	adjust_rssi = atoi(pos);
373 	if (adjust_rssi < -100 || adjust_rssi > 100)
374 		return -1;
375 
376 	if (os_strncmp(cmd, "2G", 2) == 0)
377 		wpa_s->srp.relative_adjust_band = WPA_SETBAND_2G;
378 	else if (os_strncmp(cmd, "5G", 2) == 0)
379 		wpa_s->srp.relative_adjust_band = WPA_SETBAND_5G;
380 	else
381 		return -1;
382 
383 	wpa_s->srp.relative_adjust_rssi = adjust_rssi;
384 
385 	return 0;
386 }
387 
388 
wpas_ctrl_iface_set_ric_ies(struct wpa_supplicant * wpa_s,const char * cmd)389 static int wpas_ctrl_iface_set_ric_ies(struct wpa_supplicant *wpa_s,
390 				   const char *cmd)
391 {
392 	struct wpabuf *ric_ies;
393 
394 	if (*cmd == '\0' || os_strcmp(cmd, "\"\"") == 0) {
395 		wpabuf_free(wpa_s->ric_ies);
396 		wpa_s->ric_ies = NULL;
397 		return 0;
398 	}
399 
400 	ric_ies = wpabuf_parse_bin(cmd);
401 	if (!ric_ies)
402 		return -1;
403 
404 	wpabuf_free(wpa_s->ric_ies);
405 	wpa_s->ric_ies = ric_ies;
406 
407 	return 0;
408 }
409 
410 
wpa_supplicant_ctrl_iface_set(struct wpa_supplicant * wpa_s,char * cmd)411 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
412 					 char *cmd)
413 {
414 	char *value;
415 	int ret = 0;
416 
417 	value = os_strchr(cmd, ' ');
418 	if (value == NULL)
419 		return -1;
420 	*value++ = '\0';
421 
422 	wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
423 	if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
424 		eapol_sm_configure(wpa_s->eapol,
425 				   atoi(value), -1, -1, -1);
426 	} else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
427 		eapol_sm_configure(wpa_s->eapol,
428 				   -1, atoi(value), -1, -1);
429 	} else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
430 		eapol_sm_configure(wpa_s->eapol,
431 				   -1, -1, atoi(value), -1);
432 	} else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
433 		eapol_sm_configure(wpa_s->eapol,
434 				   -1, -1, -1, atoi(value));
435 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
436 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
437 				     atoi(value))) {
438 			ret = -1;
439 		} else {
440 			value[-1] = '=';
441 			wpa_config_process_global(wpa_s->conf, cmd, -1);
442 		}
443 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
444 		   0) {
445 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
446 				     atoi(value))) {
447 			ret = -1;
448 		} else {
449 			value[-1] = '=';
450 			wpa_config_process_global(wpa_s->conf, cmd, -1);
451 		}
452 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
453 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT,
454 				     atoi(value))) {
455 			ret = -1;
456 		} else {
457 			value[-1] = '=';
458 			wpa_config_process_global(wpa_s->conf, cmd, -1);
459 		}
460 	} else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
461 		wpa_s->wps_fragment_size = atoi(value);
462 #ifdef CONFIG_WPS_TESTING
463 	} else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
464 		long int val;
465 		val = strtol(value, NULL, 0);
466 		if (val < 0 || val > 0xff) {
467 			ret = -1;
468 			wpa_printf(MSG_DEBUG, "WPS: Invalid "
469 				   "wps_version_number %ld", val);
470 		} else {
471 			wps_version_number = val;
472 			wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
473 				   "version %u.%u",
474 				   (wps_version_number & 0xf0) >> 4,
475 				   wps_version_number & 0x0f);
476 		}
477 	} else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
478 		wps_testing_dummy_cred = atoi(value);
479 		wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
480 			   wps_testing_dummy_cred);
481 	} else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
482 		wps_corrupt_pkhash = atoi(value);
483 		wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
484 			   wps_corrupt_pkhash);
485 	} else if (os_strcasecmp(cmd, "wps_force_auth_types") == 0) {
486 		if (value[0] == '\0') {
487 			wps_force_auth_types_in_use = 0;
488 		} else {
489 			wps_force_auth_types = strtol(value, NULL, 0);
490 			wps_force_auth_types_in_use = 1;
491 		}
492 	} else if (os_strcasecmp(cmd, "wps_force_encr_types") == 0) {
493 		if (value[0] == '\0') {
494 			wps_force_encr_types_in_use = 0;
495 		} else {
496 			wps_force_encr_types = strtol(value, NULL, 0);
497 			wps_force_encr_types_in_use = 1;
498 		}
499 #endif /* CONFIG_WPS_TESTING */
500 	} else if (os_strcasecmp(cmd, "ampdu") == 0) {
501 		if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
502 			ret = -1;
503 #ifdef CONFIG_TDLS
504 #ifdef CONFIG_TDLS_TESTING
505 	} else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
506 		tdls_testing = strtol(value, NULL, 0);
507 		wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
508 #endif /* CONFIG_TDLS_TESTING */
509 	} else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
510 		int disabled = atoi(value);
511 		wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
512 		if (disabled) {
513 			if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
514 				ret = -1;
515 		} else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
516 			ret = -1;
517 		wpa_tdls_enable(wpa_s->wpa, !disabled);
518 #endif /* CONFIG_TDLS */
519 	} else if (os_strcasecmp(cmd, "pno") == 0) {
520 		ret = wpas_ctrl_pno(wpa_s, value);
521 	} else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
522 		int disabled = atoi(value);
523 		if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
524 			ret = -1;
525 		else if (disabled)
526 			wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
527 	} else if (os_strcasecmp(cmd, "uapsd") == 0) {
528 		if (os_strcmp(value, "disable") == 0)
529 			wpa_s->set_sta_uapsd = 0;
530 		else {
531 			int be, bk, vi, vo;
532 			char *pos;
533 			/* format: BE,BK,VI,VO;max SP Length */
534 			be = atoi(value);
535 			pos = os_strchr(value, ',');
536 			if (pos == NULL)
537 				return -1;
538 			pos++;
539 			bk = atoi(pos);
540 			pos = os_strchr(pos, ',');
541 			if (pos == NULL)
542 				return -1;
543 			pos++;
544 			vi = atoi(pos);
545 			pos = os_strchr(pos, ',');
546 			if (pos == NULL)
547 				return -1;
548 			pos++;
549 			vo = atoi(pos);
550 			/* ignore max SP Length for now */
551 
552 			wpa_s->set_sta_uapsd = 1;
553 			wpa_s->sta_uapsd = 0;
554 			if (be)
555 				wpa_s->sta_uapsd |= BIT(0);
556 			if (bk)
557 				wpa_s->sta_uapsd |= BIT(1);
558 			if (vi)
559 				wpa_s->sta_uapsd |= BIT(2);
560 			if (vo)
561 				wpa_s->sta_uapsd |= BIT(3);
562 		}
563 	} else if (os_strcasecmp(cmd, "ps") == 0) {
564 		ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
565 #ifdef CONFIG_WIFI_DISPLAY
566 	} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
567 		int enabled = !!atoi(value);
568 		if (enabled && !wpa_s->global->p2p)
569 			ret = -1;
570 		else
571 			wifi_display_enable(wpa_s->global, enabled);
572 #endif /* CONFIG_WIFI_DISPLAY */
573 	} else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
574 		ret = set_bssid_filter(wpa_s, value);
575 	} else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
576 		ret = set_disallow_aps(wpa_s, value);
577 	} else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
578 		wpa_s->no_keep_alive = !!atoi(value);
579 #ifdef CONFIG_TESTING_OPTIONS
580 	} else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
581 		wpa_s->ext_mgmt_frame_handling = !!atoi(value);
582 	} else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
583 		wpa_s->ext_eapol_frame_io = !!atoi(value);
584 #ifdef CONFIG_AP
585 		if (wpa_s->ap_iface) {
586 			wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
587 				wpa_s->ext_eapol_frame_io;
588 		}
589 #endif /* CONFIG_AP */
590 	} else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
591 		wpa_s->extra_roc_dur = atoi(value);
592 	} else if (os_strcasecmp(cmd, "test_failure") == 0) {
593 		wpa_s->test_failure = atoi(value);
594 	} else if (os_strcasecmp(cmd, "p2p_go_csa_on_inv") == 0) {
595 		wpa_s->p2p_go_csa_on_inv = !!atoi(value);
596 	} else if (os_strcasecmp(cmd, "ignore_auth_resp") == 0) {
597 		wpa_s->ignore_auth_resp = !!atoi(value);
598 	} else if (os_strcasecmp(cmd, "ignore_assoc_disallow") == 0) {
599 		wpa_s->ignore_assoc_disallow = !!atoi(value);
600 	} else if (os_strcasecmp(cmd, "reject_btm_req_reason") == 0) {
601 		wpa_s->reject_btm_req_reason = atoi(value);
602 	} else if (os_strcasecmp(cmd, "get_pref_freq_list_override") == 0) {
603 		os_free(wpa_s->get_pref_freq_list_override);
604 		if (!value[0])
605 			wpa_s->get_pref_freq_list_override = NULL;
606 		else
607 			wpa_s->get_pref_freq_list_override = os_strdup(value);
608 #endif /* CONFIG_TESTING_OPTIONS */
609 #ifndef CONFIG_NO_CONFIG_BLOBS
610 	} else if (os_strcmp(cmd, "blob") == 0) {
611 		ret = wpas_ctrl_set_blob(wpa_s, value);
612 #endif /* CONFIG_NO_CONFIG_BLOBS */
613 	} else if (os_strcasecmp(cmd, "setband") == 0) {
614 		ret = wpas_ctrl_set_band(wpa_s, value);
615 #ifdef CONFIG_MBO
616 	} else if (os_strcasecmp(cmd, "non_pref_chan") == 0) {
617 		ret = wpas_mbo_update_non_pref_chan(wpa_s, value);
618 		if (ret == 0) {
619 			value[-1] = '=';
620 			wpa_config_process_global(wpa_s->conf, cmd, -1);
621 		}
622 	} else if (os_strcasecmp(cmd, "mbo_cell_capa") == 0) {
623 		wpas_mbo_update_cell_capa(wpa_s, atoi(value));
624 #endif /* CONFIG_MBO */
625 	} else if (os_strcasecmp(cmd, "lci") == 0) {
626 		ret = wpas_ctrl_iface_set_lci(wpa_s, value);
627 	} else if (os_strcasecmp(cmd, "tdls_trigger_control") == 0) {
628 		ret = wpa_drv_set_tdls_mode(wpa_s, atoi(value));
629 	} else if (os_strcasecmp(cmd, "relative_rssi") == 0) {
630 		ret = wpas_ctrl_set_relative_rssi(wpa_s, value);
631 	} else if (os_strcasecmp(cmd, "relative_band_adjust") == 0) {
632 		ret = wpas_ctrl_set_relative_band_adjust(wpa_s, value);
633 	} else if (os_strcasecmp(cmd, "ric_ies") == 0) {
634 		ret = wpas_ctrl_iface_set_ric_ies(wpa_s, value);
635 	} else {
636 		value[-1] = '=';
637 		ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
638 		if (ret == 0)
639 			wpa_supplicant_update_config(wpa_s);
640 	}
641 
642 	return ret;
643 }
644 
645 
wpa_supplicant_ctrl_iface_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)646 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
647 					 char *cmd, char *buf, size_t buflen)
648 {
649 	int res = -1;
650 
651 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
652 
653 	if (os_strcmp(cmd, "version") == 0) {
654 		res = os_snprintf(buf, buflen, "%s", VERSION_STR);
655 	} else if (os_strcasecmp(cmd, "country") == 0) {
656 		if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
657 			res = os_snprintf(buf, buflen, "%c%c",
658 					  wpa_s->conf->country[0],
659 					  wpa_s->conf->country[1]);
660 #ifdef CONFIG_WIFI_DISPLAY
661 	} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
662 		int enabled;
663 		if (wpa_s->global->p2p == NULL ||
664 		    wpa_s->global->p2p_disabled)
665 			enabled = 0;
666 		else
667 			enabled = wpa_s->global->wifi_display;
668 		res = os_snprintf(buf, buflen, "%d", enabled);
669 #endif /* CONFIG_WIFI_DISPLAY */
670 #ifdef CONFIG_TESTING_GET_GTK
671 	} else if (os_strcmp(cmd, "gtk") == 0) {
672 		if (wpa_s->last_gtk_len == 0)
673 			return -1;
674 		res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
675 				       wpa_s->last_gtk_len);
676 		return res;
677 #endif /* CONFIG_TESTING_GET_GTK */
678 	} else if (os_strcmp(cmd, "tls_library") == 0) {
679 		res = tls_get_library_version(buf, buflen);
680 	} else {
681 		res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
682 	}
683 
684 	if (os_snprintf_error(buflen, res))
685 		return -1;
686 	return res;
687 }
688 
689 
690 #ifdef IEEE8021X_EAPOL
wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant * wpa_s,char * addr)691 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
692 					     char *addr)
693 {
694 	u8 bssid[ETH_ALEN];
695 	struct wpa_ssid *ssid = wpa_s->current_ssid;
696 
697 	if (hwaddr_aton(addr, bssid)) {
698 		wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
699 			   "'%s'", addr);
700 		return -1;
701 	}
702 
703 	wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
704 	rsn_preauth_deinit(wpa_s->wpa);
705 	if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
706 		return -1;
707 
708 	return 0;
709 }
710 #endif /* IEEE8021X_EAPOL */
711 
712 
713 #ifdef CONFIG_PEERKEY
714 /* MLME-STKSTART.request(peer) */
wpa_supplicant_ctrl_iface_stkstart(struct wpa_supplicant * wpa_s,char * addr)715 static int wpa_supplicant_ctrl_iface_stkstart(
716 	struct wpa_supplicant *wpa_s, char *addr)
717 {
718 	u8 peer[ETH_ALEN];
719 
720 	if (hwaddr_aton(addr, peer)) {
721 		wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
722 			   "address '%s'", addr);
723 		return -1;
724 	}
725 
726 	wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
727 		   MAC2STR(peer));
728 
729 	return wpa_sm_stkstart(wpa_s->wpa, peer);
730 }
731 #endif /* CONFIG_PEERKEY */
732 
733 
734 #ifdef CONFIG_TDLS
735 
wpa_supplicant_ctrl_iface_tdls_discover(struct wpa_supplicant * wpa_s,char * addr)736 static int wpa_supplicant_ctrl_iface_tdls_discover(
737 	struct wpa_supplicant *wpa_s, char *addr)
738 {
739 	u8 peer[ETH_ALEN];
740 	int ret;
741 
742 	if (hwaddr_aton(addr, peer)) {
743 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
744 			   "address '%s'", addr);
745 		return -1;
746 	}
747 
748 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
749 		   MAC2STR(peer));
750 
751 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
752 		ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
753 	else
754 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
755 
756 	return ret;
757 }
758 
759 
wpa_supplicant_ctrl_iface_tdls_setup(struct wpa_supplicant * wpa_s,char * addr)760 static int wpa_supplicant_ctrl_iface_tdls_setup(
761 	struct wpa_supplicant *wpa_s, char *addr)
762 {
763 	u8 peer[ETH_ALEN];
764 	int ret;
765 
766 	if (hwaddr_aton(addr, peer)) {
767 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
768 			   "address '%s'", addr);
769 		return -1;
770 	}
771 
772 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
773 		   MAC2STR(peer));
774 
775 	if ((wpa_s->conf->tdls_external_control) &&
776 	    wpa_tdls_is_external_setup(wpa_s->wpa))
777 		return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
778 
779 	wpa_tdls_remove(wpa_s->wpa, peer);
780 
781 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
782 		ret = wpa_tdls_start(wpa_s->wpa, peer);
783 	else
784 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
785 
786 	return ret;
787 }
788 
789 
wpa_supplicant_ctrl_iface_tdls_teardown(struct wpa_supplicant * wpa_s,char * addr)790 static int wpa_supplicant_ctrl_iface_tdls_teardown(
791 	struct wpa_supplicant *wpa_s, char *addr)
792 {
793 	u8 peer[ETH_ALEN];
794 	int ret;
795 
796 	if (os_strcmp(addr, "*") == 0) {
797 		/* remove everyone */
798 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
799 		wpa_tdls_teardown_peers(wpa_s->wpa);
800 		return 0;
801 	}
802 
803 	if (hwaddr_aton(addr, peer)) {
804 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
805 			   "address '%s'", addr);
806 		return -1;
807 	}
808 
809 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
810 		   MAC2STR(peer));
811 
812 	if ((wpa_s->conf->tdls_external_control) &&
813 	    wpa_tdls_is_external_setup(wpa_s->wpa))
814 		return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
815 
816 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
817 		ret = wpa_tdls_teardown_link(
818 			wpa_s->wpa, peer,
819 			WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
820 	else
821 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
822 
823 	return ret;
824 }
825 
826 
ctrl_iface_get_capability_tdls(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)827 static int ctrl_iface_get_capability_tdls(
828 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
829 {
830 	int ret;
831 
832 	ret = os_snprintf(buf, buflen, "%s\n",
833 			  wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
834 			  (wpa_s->drv_flags &
835 			   WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
836 			   "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
837 	if (os_snprintf_error(buflen, ret))
838 		return -1;
839 	return ret;
840 }
841 
842 
wpa_supplicant_ctrl_iface_tdls_chan_switch(struct wpa_supplicant * wpa_s,char * cmd)843 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
844 	struct wpa_supplicant *wpa_s, char *cmd)
845 {
846 	u8 peer[ETH_ALEN];
847 	struct hostapd_freq_params freq_params;
848 	u8 oper_class;
849 	char *pos, *end;
850 
851 	if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
852 		wpa_printf(MSG_INFO,
853 			   "tdls_chanswitch: Only supported with external setup");
854 		return -1;
855 	}
856 
857 	os_memset(&freq_params, 0, sizeof(freq_params));
858 
859 	pos = os_strchr(cmd, ' ');
860 	if (pos == NULL)
861 		return -1;
862 	*pos++ = '\0';
863 
864 	oper_class = strtol(pos, &end, 10);
865 	if (pos == end) {
866 		wpa_printf(MSG_INFO,
867 			   "tdls_chanswitch: Invalid op class provided");
868 		return -1;
869 	}
870 
871 	pos = end;
872 	freq_params.freq = atoi(pos);
873 	if (freq_params.freq == 0) {
874 		wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
875 		return -1;
876 	}
877 
878 #define SET_FREQ_SETTING(str) \
879 	do { \
880 		const char *pos2 = os_strstr(pos, " " #str "="); \
881 		if (pos2) { \
882 			pos2 += sizeof(" " #str "=") - 1; \
883 			freq_params.str = atoi(pos2); \
884 		} \
885 	} while (0)
886 
887 	SET_FREQ_SETTING(center_freq1);
888 	SET_FREQ_SETTING(center_freq2);
889 	SET_FREQ_SETTING(bandwidth);
890 	SET_FREQ_SETTING(sec_channel_offset);
891 #undef SET_FREQ_SETTING
892 
893 	freq_params.ht_enabled = !!os_strstr(pos, " ht");
894 	freq_params.vht_enabled = !!os_strstr(pos, " vht");
895 
896 	if (hwaddr_aton(cmd, peer)) {
897 		wpa_printf(MSG_DEBUG,
898 			   "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
899 			   cmd);
900 		return -1;
901 	}
902 
903 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
904 		   " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
905 		   MAC2STR(peer), oper_class, freq_params.freq,
906 		   freq_params.center_freq1, freq_params.center_freq2,
907 		   freq_params.bandwidth, freq_params.sec_channel_offset,
908 		   freq_params.ht_enabled ? " HT" : "",
909 		   freq_params.vht_enabled ? " VHT" : "");
910 
911 	return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
912 					   &freq_params);
913 }
914 
915 
wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(struct wpa_supplicant * wpa_s,char * cmd)916 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
917 	struct wpa_supplicant *wpa_s, char *cmd)
918 {
919 	u8 peer[ETH_ALEN];
920 
921 	if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
922 		wpa_printf(MSG_INFO,
923 			   "tdls_chanswitch: Only supported with external setup");
924 		return -1;
925 	}
926 
927 	if (hwaddr_aton(cmd, peer)) {
928 		wpa_printf(MSG_DEBUG,
929 			   "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
930 			   cmd);
931 		return -1;
932 	}
933 
934 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
935 		   MAC2STR(peer));
936 
937 	return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
938 }
939 
940 
wpa_supplicant_ctrl_iface_tdls_link_status(struct wpa_supplicant * wpa_s,const char * addr,char * buf,size_t buflen)941 static int wpa_supplicant_ctrl_iface_tdls_link_status(
942 	struct wpa_supplicant *wpa_s, const char *addr,
943 	char *buf, size_t buflen)
944 {
945 	u8 peer[ETH_ALEN];
946 	const char *tdls_status;
947 	int ret;
948 
949 	if (hwaddr_aton(addr, peer)) {
950 		wpa_printf(MSG_DEBUG,
951 			   "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
952 			   addr);
953 		return -1;
954 	}
955 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
956 		   MAC2STR(peer));
957 
958 	tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
959 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
960 	ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
961 	if (os_snprintf_error(buflen, ret))
962 		return -1;
963 
964 	return ret;
965 }
966 
967 #endif /* CONFIG_TDLS */
968 
969 
wmm_ac_ctrl_addts(struct wpa_supplicant * wpa_s,char * cmd)970 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
971 {
972 	char *token, *context = NULL;
973 	struct wmm_ac_ts_setup_params params = {
974 		.tsid = 0xff,
975 		.direction = 0xff,
976 	};
977 
978 	while ((token = str_token(cmd, " ", &context))) {
979 		if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
980 		    sscanf(token, "up=%i", &params.user_priority) == 1 ||
981 		    sscanf(token, "nominal_msdu_size=%i",
982 			   &params.nominal_msdu_size) == 1 ||
983 		    sscanf(token, "mean_data_rate=%i",
984 			   &params.mean_data_rate) == 1 ||
985 		    sscanf(token, "min_phy_rate=%i",
986 			   &params.minimum_phy_rate) == 1 ||
987 		    sscanf(token, "sba=%i",
988 			   &params.surplus_bandwidth_allowance) == 1)
989 			continue;
990 
991 		if (os_strcasecmp(token, "downlink") == 0) {
992 			params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
993 		} else if (os_strcasecmp(token, "uplink") == 0) {
994 			params.direction = WMM_TSPEC_DIRECTION_UPLINK;
995 		} else if (os_strcasecmp(token, "bidi") == 0) {
996 			params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
997 		} else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
998 			params.fixed_nominal_msdu = 1;
999 		} else {
1000 			wpa_printf(MSG_DEBUG,
1001 				   "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
1002 				   token);
1003 			return -1;
1004 		}
1005 
1006 	}
1007 
1008 	return wpas_wmm_ac_addts(wpa_s, &params);
1009 }
1010 
1011 
wmm_ac_ctrl_delts(struct wpa_supplicant * wpa_s,char * cmd)1012 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
1013 {
1014 	u8 tsid = atoi(cmd);
1015 
1016 	return wpas_wmm_ac_delts(wpa_s, tsid);
1017 }
1018 
1019 
1020 #ifdef CONFIG_IEEE80211R
wpa_supplicant_ctrl_iface_ft_ds(struct wpa_supplicant * wpa_s,char * addr)1021 static int wpa_supplicant_ctrl_iface_ft_ds(
1022 	struct wpa_supplicant *wpa_s, char *addr)
1023 {
1024 	u8 target_ap[ETH_ALEN];
1025 	struct wpa_bss *bss;
1026 	const u8 *mdie;
1027 
1028 	if (hwaddr_aton(addr, target_ap)) {
1029 		wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
1030 			   "address '%s'", addr);
1031 		return -1;
1032 	}
1033 
1034 	wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
1035 
1036 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
1037 	if (bss)
1038 		mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
1039 	else
1040 		mdie = NULL;
1041 
1042 	return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
1043 }
1044 #endif /* CONFIG_IEEE80211R */
1045 
1046 
1047 #ifdef CONFIG_WPS
wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant * wpa_s,char * cmd)1048 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
1049 					     char *cmd)
1050 {
1051 	u8 bssid[ETH_ALEN], *_bssid = bssid;
1052 #ifdef CONFIG_P2P
1053 	u8 p2p_dev_addr[ETH_ALEN];
1054 #endif /* CONFIG_P2P */
1055 #ifdef CONFIG_AP
1056 	u8 *_p2p_dev_addr = NULL;
1057 #endif /* CONFIG_AP */
1058 
1059 	if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
1060 		_bssid = NULL;
1061 #ifdef CONFIG_P2P
1062 	} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
1063 		if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
1064 			wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
1065 				   "P2P Device Address '%s'",
1066 				   cmd + 13);
1067 			return -1;
1068 		}
1069 		_p2p_dev_addr = p2p_dev_addr;
1070 #endif /* CONFIG_P2P */
1071 	} else if (hwaddr_aton(cmd, bssid)) {
1072 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
1073 			   cmd);
1074 		return -1;
1075 	}
1076 
1077 #ifdef CONFIG_AP
1078 	if (wpa_s->ap_iface)
1079 		return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
1080 #endif /* CONFIG_AP */
1081 
1082 	return wpas_wps_start_pbc(wpa_s, _bssid, 0);
1083 }
1084 
1085 
wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1086 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
1087 					     char *cmd, char *buf,
1088 					     size_t buflen)
1089 {
1090 	u8 bssid[ETH_ALEN], *_bssid = bssid;
1091 	char *pin;
1092 	int ret;
1093 
1094 	pin = os_strchr(cmd, ' ');
1095 	if (pin)
1096 		*pin++ = '\0';
1097 
1098 	if (os_strcmp(cmd, "any") == 0)
1099 		_bssid = NULL;
1100 	else if (os_strcmp(cmd, "get") == 0) {
1101 		if (wps_generate_pin((unsigned int *) &ret) < 0)
1102 			return -1;
1103 		goto done;
1104 	} else if (hwaddr_aton(cmd, bssid)) {
1105 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
1106 			   cmd);
1107 		return -1;
1108 	}
1109 
1110 #ifdef CONFIG_AP
1111 	if (wpa_s->ap_iface) {
1112 		int timeout = 0;
1113 		char *pos;
1114 
1115 		if (pin) {
1116 			pos = os_strchr(pin, ' ');
1117 			if (pos) {
1118 				*pos++ = '\0';
1119 				timeout = atoi(pos);
1120 			}
1121 		}
1122 
1123 		return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
1124 						 buf, buflen, timeout);
1125 	}
1126 #endif /* CONFIG_AP */
1127 
1128 	if (pin) {
1129 		ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
1130 					 DEV_PW_DEFAULT);
1131 		if (ret < 0)
1132 			return -1;
1133 		ret = os_snprintf(buf, buflen, "%s", pin);
1134 		if (os_snprintf_error(buflen, ret))
1135 			return -1;
1136 		return ret;
1137 	}
1138 
1139 	ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
1140 	if (ret < 0)
1141 		return -1;
1142 
1143 done:
1144 	/* Return the generated PIN */
1145 	ret = os_snprintf(buf, buflen, "%08d", ret);
1146 	if (os_snprintf_error(buflen, ret))
1147 		return -1;
1148 	return ret;
1149 }
1150 
1151 
wpa_supplicant_ctrl_iface_wps_check_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1152 static int wpa_supplicant_ctrl_iface_wps_check_pin(
1153 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1154 {
1155 	char pin[9];
1156 	size_t len;
1157 	char *pos;
1158 	int ret;
1159 
1160 	wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1161 			      (u8 *) cmd, os_strlen(cmd));
1162 	for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1163 		if (*pos < '0' || *pos > '9')
1164 			continue;
1165 		pin[len++] = *pos;
1166 		if (len == 9) {
1167 			wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1168 			return -1;
1169 		}
1170 	}
1171 	if (len != 4 && len != 8) {
1172 		wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1173 		return -1;
1174 	}
1175 	pin[len] = '\0';
1176 
1177 	if (len == 8) {
1178 		unsigned int pin_val;
1179 		pin_val = atoi(pin);
1180 		if (!wps_pin_valid(pin_val)) {
1181 			wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1182 			ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1183 			if (os_snprintf_error(buflen, ret))
1184 				return -1;
1185 			return ret;
1186 		}
1187 	}
1188 
1189 	ret = os_snprintf(buf, buflen, "%s", pin);
1190 	if (os_snprintf_error(buflen, ret))
1191 		return -1;
1192 
1193 	return ret;
1194 }
1195 
1196 
1197 #ifdef CONFIG_WPS_NFC
1198 
wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant * wpa_s,char * cmd)1199 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1200 					     char *cmd)
1201 {
1202 	u8 bssid[ETH_ALEN], *_bssid = bssid;
1203 
1204 	if (cmd == NULL || cmd[0] == '\0')
1205 		_bssid = NULL;
1206 	else if (hwaddr_aton(cmd, bssid))
1207 		return -1;
1208 
1209 	return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1210 				  0, 0);
1211 }
1212 
1213 
wpa_supplicant_ctrl_iface_wps_nfc_config_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1214 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1215 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1216 {
1217 	int ndef;
1218 	struct wpabuf *buf;
1219 	int res;
1220 	char *pos;
1221 
1222 	pos = os_strchr(cmd, ' ');
1223 	if (pos)
1224 		*pos++ = '\0';
1225 	if (os_strcmp(cmd, "WPS") == 0)
1226 		ndef = 0;
1227 	else if (os_strcmp(cmd, "NDEF") == 0)
1228 		ndef = 1;
1229 	else
1230 		return -1;
1231 
1232 	buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1233 	if (buf == NULL)
1234 		return -1;
1235 
1236 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1237 					 wpabuf_len(buf));
1238 	reply[res++] = '\n';
1239 	reply[res] = '\0';
1240 
1241 	wpabuf_free(buf);
1242 
1243 	return res;
1244 }
1245 
1246 
wpa_supplicant_ctrl_iface_wps_nfc_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1247 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1248 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1249 {
1250 	int ndef;
1251 	struct wpabuf *buf;
1252 	int res;
1253 
1254 	if (os_strcmp(cmd, "WPS") == 0)
1255 		ndef = 0;
1256 	else if (os_strcmp(cmd, "NDEF") == 0)
1257 		ndef = 1;
1258 	else
1259 		return -1;
1260 
1261 	buf = wpas_wps_nfc_token(wpa_s, ndef);
1262 	if (buf == NULL)
1263 		return -1;
1264 
1265 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1266 					 wpabuf_len(buf));
1267 	reply[res++] = '\n';
1268 	reply[res] = '\0';
1269 
1270 	wpabuf_free(buf);
1271 
1272 	return res;
1273 }
1274 
1275 
wpa_supplicant_ctrl_iface_wps_nfc_tag_read(struct wpa_supplicant * wpa_s,char * pos)1276 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1277 	struct wpa_supplicant *wpa_s, char *pos)
1278 {
1279 	size_t len;
1280 	struct wpabuf *buf;
1281 	int ret;
1282 	char *freq;
1283 	int forced_freq = 0;
1284 
1285 	freq = strstr(pos, " freq=");
1286 	if (freq) {
1287 		*freq = '\0';
1288 		freq += 6;
1289 		forced_freq = atoi(freq);
1290 	}
1291 
1292 	len = os_strlen(pos);
1293 	if (len & 0x01)
1294 		return -1;
1295 	len /= 2;
1296 
1297 	buf = wpabuf_alloc(len);
1298 	if (buf == NULL)
1299 		return -1;
1300 	if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1301 		wpabuf_free(buf);
1302 		return -1;
1303 	}
1304 
1305 	ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1306 	wpabuf_free(buf);
1307 
1308 	return ret;
1309 }
1310 
1311 
wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef)1312 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1313 					      char *reply, size_t max_len,
1314 					      int ndef)
1315 {
1316 	struct wpabuf *buf;
1317 	int res;
1318 
1319 	buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1320 	if (buf == NULL)
1321 		return -1;
1322 
1323 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1324 					 wpabuf_len(buf));
1325 	reply[res++] = '\n';
1326 	reply[res] = '\0';
1327 
1328 	wpabuf_free(buf);
1329 
1330 	return res;
1331 }
1332 
1333 
1334 #ifdef CONFIG_P2P
wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef)1335 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1336 					      char *reply, size_t max_len,
1337 					      int ndef)
1338 {
1339 	struct wpabuf *buf;
1340 	int res;
1341 
1342 	buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1343 	if (buf == NULL) {
1344 		wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1345 		return -1;
1346 	}
1347 
1348 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1349 					 wpabuf_len(buf));
1350 	reply[res++] = '\n';
1351 	reply[res] = '\0';
1352 
1353 	wpabuf_free(buf);
1354 
1355 	return res;
1356 }
1357 #endif /* CONFIG_P2P */
1358 
1359 
wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1360 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1361 					  char *cmd, char *reply,
1362 					  size_t max_len)
1363 {
1364 	char *pos;
1365 	int ndef;
1366 
1367 	pos = os_strchr(cmd, ' ');
1368 	if (pos == NULL)
1369 		return -1;
1370 	*pos++ = '\0';
1371 
1372 	if (os_strcmp(cmd, "WPS") == 0)
1373 		ndef = 0;
1374 	else if (os_strcmp(cmd, "NDEF") == 0)
1375 		ndef = 1;
1376 	else
1377 		return -1;
1378 
1379 	if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1380 		if (!ndef)
1381 			return -1;
1382 		return wpas_ctrl_nfc_get_handover_req_wps(
1383 			wpa_s, reply, max_len, ndef);
1384 	}
1385 
1386 #ifdef CONFIG_P2P
1387 	if (os_strcmp(pos, "P2P-CR") == 0) {
1388 		return wpas_ctrl_nfc_get_handover_req_p2p(
1389 			wpa_s, reply, max_len, ndef);
1390 	}
1391 #endif /* CONFIG_P2P */
1392 
1393 	return -1;
1394 }
1395 
1396 
wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef,int cr,char * uuid)1397 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1398 					      char *reply, size_t max_len,
1399 					      int ndef, int cr, char *uuid)
1400 {
1401 	struct wpabuf *buf;
1402 	int res;
1403 
1404 	buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1405 	if (buf == NULL)
1406 		return -1;
1407 
1408 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1409 					 wpabuf_len(buf));
1410 	reply[res++] = '\n';
1411 	reply[res] = '\0';
1412 
1413 	wpabuf_free(buf);
1414 
1415 	return res;
1416 }
1417 
1418 
1419 #ifdef CONFIG_P2P
wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef,int tag)1420 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1421 					      char *reply, size_t max_len,
1422 					      int ndef, int tag)
1423 {
1424 	struct wpabuf *buf;
1425 	int res;
1426 
1427 	buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1428 	if (buf == NULL)
1429 		return -1;
1430 
1431 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1432 					 wpabuf_len(buf));
1433 	reply[res++] = '\n';
1434 	reply[res] = '\0';
1435 
1436 	wpabuf_free(buf);
1437 
1438 	return res;
1439 }
1440 #endif /* CONFIG_P2P */
1441 
1442 
wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1443 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1444 					  char *cmd, char *reply,
1445 					  size_t max_len)
1446 {
1447 	char *pos, *pos2;
1448 	int ndef;
1449 
1450 	pos = os_strchr(cmd, ' ');
1451 	if (pos == NULL)
1452 		return -1;
1453 	*pos++ = '\0';
1454 
1455 	if (os_strcmp(cmd, "WPS") == 0)
1456 		ndef = 0;
1457 	else if (os_strcmp(cmd, "NDEF") == 0)
1458 		ndef = 1;
1459 	else
1460 		return -1;
1461 
1462 	pos2 = os_strchr(pos, ' ');
1463 	if (pos2)
1464 		*pos2++ = '\0';
1465 	if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1466 		if (!ndef)
1467 			return -1;
1468 		return wpas_ctrl_nfc_get_handover_sel_wps(
1469 			wpa_s, reply, max_len, ndef,
1470 			os_strcmp(pos, "WPS-CR") == 0, pos2);
1471 	}
1472 
1473 #ifdef CONFIG_P2P
1474 	if (os_strcmp(pos, "P2P-CR") == 0) {
1475 		return wpas_ctrl_nfc_get_handover_sel_p2p(
1476 			wpa_s, reply, max_len, ndef, 0);
1477 	}
1478 
1479 	if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1480 		return wpas_ctrl_nfc_get_handover_sel_p2p(
1481 			wpa_s, reply, max_len, ndef, 1);
1482 	}
1483 #endif /* CONFIG_P2P */
1484 
1485 	return -1;
1486 }
1487 
1488 
wpas_ctrl_nfc_report_handover(struct wpa_supplicant * wpa_s,char * cmd)1489 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1490 					 char *cmd)
1491 {
1492 	size_t len;
1493 	struct wpabuf *req, *sel;
1494 	int ret;
1495 	char *pos, *role, *type, *pos2;
1496 #ifdef CONFIG_P2P
1497 	char *freq;
1498 	int forced_freq = 0;
1499 
1500 	freq = strstr(cmd, " freq=");
1501 	if (freq) {
1502 		*freq = '\0';
1503 		freq += 6;
1504 		forced_freq = atoi(freq);
1505 	}
1506 #endif /* CONFIG_P2P */
1507 
1508 	role = cmd;
1509 	pos = os_strchr(role, ' ');
1510 	if (pos == NULL) {
1511 		wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1512 		return -1;
1513 	}
1514 	*pos++ = '\0';
1515 
1516 	type = pos;
1517 	pos = os_strchr(type, ' ');
1518 	if (pos == NULL) {
1519 		wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1520 		return -1;
1521 	}
1522 	*pos++ = '\0';
1523 
1524 	pos2 = os_strchr(pos, ' ');
1525 	if (pos2 == NULL) {
1526 		wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1527 		return -1;
1528 	}
1529 	*pos2++ = '\0';
1530 
1531 	len = os_strlen(pos);
1532 	if (len & 0x01) {
1533 		wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1534 		return -1;
1535 	}
1536 	len /= 2;
1537 
1538 	req = wpabuf_alloc(len);
1539 	if (req == NULL) {
1540 		wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1541 		return -1;
1542 	}
1543 	if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1544 		wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1545 		wpabuf_free(req);
1546 		return -1;
1547 	}
1548 
1549 	len = os_strlen(pos2);
1550 	if (len & 0x01) {
1551 		wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1552 		wpabuf_free(req);
1553 		return -1;
1554 	}
1555 	len /= 2;
1556 
1557 	sel = wpabuf_alloc(len);
1558 	if (sel == NULL) {
1559 		wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1560 		wpabuf_free(req);
1561 		return -1;
1562 	}
1563 	if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1564 		wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1565 		wpabuf_free(req);
1566 		wpabuf_free(sel);
1567 		return -1;
1568 	}
1569 
1570 	wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1571 		   role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1572 
1573 	if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1574 		ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1575 #ifdef CONFIG_AP
1576 	} else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1577 	{
1578 		ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1579 		if (ret < 0)
1580 			ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1581 #endif /* CONFIG_AP */
1582 #ifdef CONFIG_P2P
1583 	} else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1584 	{
1585 		ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1586 	} else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1587 	{
1588 		ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1589 						   forced_freq);
1590 #endif /* CONFIG_P2P */
1591 	} else {
1592 		wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1593 			   "reported: role=%s type=%s", role, type);
1594 		ret = -1;
1595 	}
1596 	wpabuf_free(req);
1597 	wpabuf_free(sel);
1598 
1599 	if (ret)
1600 		wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1601 
1602 	return ret;
1603 }
1604 
1605 #endif /* CONFIG_WPS_NFC */
1606 
1607 
wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant * wpa_s,char * cmd)1608 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1609 					     char *cmd)
1610 {
1611 	u8 bssid[ETH_ALEN];
1612 	char *pin;
1613 	char *new_ssid;
1614 	char *new_auth;
1615 	char *new_encr;
1616 	char *new_key;
1617 	struct wps_new_ap_settings ap;
1618 
1619 	pin = os_strchr(cmd, ' ');
1620 	if (pin == NULL)
1621 		return -1;
1622 	*pin++ = '\0';
1623 
1624 	if (hwaddr_aton(cmd, bssid)) {
1625 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1626 			   cmd);
1627 		return -1;
1628 	}
1629 
1630 	new_ssid = os_strchr(pin, ' ');
1631 	if (new_ssid == NULL)
1632 		return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1633 	*new_ssid++ = '\0';
1634 
1635 	new_auth = os_strchr(new_ssid, ' ');
1636 	if (new_auth == NULL)
1637 		return -1;
1638 	*new_auth++ = '\0';
1639 
1640 	new_encr = os_strchr(new_auth, ' ');
1641 	if (new_encr == NULL)
1642 		return -1;
1643 	*new_encr++ = '\0';
1644 
1645 	new_key = os_strchr(new_encr, ' ');
1646 	if (new_key == NULL)
1647 		return -1;
1648 	*new_key++ = '\0';
1649 
1650 	os_memset(&ap, 0, sizeof(ap));
1651 	ap.ssid_hex = new_ssid;
1652 	ap.auth = new_auth;
1653 	ap.encr = new_encr;
1654 	ap.key_hex = new_key;
1655 	return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1656 }
1657 
1658 
1659 #ifdef CONFIG_AP
wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1660 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1661 						char *cmd, char *buf,
1662 						size_t buflen)
1663 {
1664 	int timeout = 300;
1665 	char *pos;
1666 	const char *pin_txt;
1667 
1668 	if (!wpa_s->ap_iface)
1669 		return -1;
1670 
1671 	pos = os_strchr(cmd, ' ');
1672 	if (pos)
1673 		*pos++ = '\0';
1674 
1675 	if (os_strcmp(cmd, "disable") == 0) {
1676 		wpas_wps_ap_pin_disable(wpa_s);
1677 		return os_snprintf(buf, buflen, "OK\n");
1678 	}
1679 
1680 	if (os_strcmp(cmd, "random") == 0) {
1681 		if (pos)
1682 			timeout = atoi(pos);
1683 		pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1684 		if (pin_txt == NULL)
1685 			return -1;
1686 		return os_snprintf(buf, buflen, "%s", pin_txt);
1687 	}
1688 
1689 	if (os_strcmp(cmd, "get") == 0) {
1690 		pin_txt = wpas_wps_ap_pin_get(wpa_s);
1691 		if (pin_txt == NULL)
1692 			return -1;
1693 		return os_snprintf(buf, buflen, "%s", pin_txt);
1694 	}
1695 
1696 	if (os_strcmp(cmd, "set") == 0) {
1697 		char *pin;
1698 		if (pos == NULL)
1699 			return -1;
1700 		pin = pos;
1701 		pos = os_strchr(pos, ' ');
1702 		if (pos) {
1703 			*pos++ = '\0';
1704 			timeout = atoi(pos);
1705 		}
1706 		if (os_strlen(pin) > buflen)
1707 			return -1;
1708 		if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1709 			return -1;
1710 		return os_snprintf(buf, buflen, "%s", pin);
1711 	}
1712 
1713 	return -1;
1714 }
1715 #endif /* CONFIG_AP */
1716 
1717 
1718 #ifdef CONFIG_WPS_ER
wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant * wpa_s,char * cmd)1719 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1720 						char *cmd)
1721 {
1722 	char *uuid = cmd, *pin, *pos;
1723 	u8 addr_buf[ETH_ALEN], *addr = NULL;
1724 	pin = os_strchr(uuid, ' ');
1725 	if (pin == NULL)
1726 		return -1;
1727 	*pin++ = '\0';
1728 	pos = os_strchr(pin, ' ');
1729 	if (pos) {
1730 		*pos++ = '\0';
1731 		if (hwaddr_aton(pos, addr_buf) == 0)
1732 			addr = addr_buf;
1733 	}
1734 	return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1735 }
1736 
1737 
wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant * wpa_s,char * cmd)1738 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1739 						  char *cmd)
1740 {
1741 	char *uuid = cmd, *pin;
1742 	pin = os_strchr(uuid, ' ');
1743 	if (pin == NULL)
1744 		return -1;
1745 	*pin++ = '\0';
1746 	return wpas_wps_er_learn(wpa_s, uuid, pin);
1747 }
1748 
1749 
wpa_supplicant_ctrl_iface_wps_er_set_config(struct wpa_supplicant * wpa_s,char * cmd)1750 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1751 	struct wpa_supplicant *wpa_s, char *cmd)
1752 {
1753 	char *uuid = cmd, *id;
1754 	id = os_strchr(uuid, ' ');
1755 	if (id == NULL)
1756 		return -1;
1757 	*id++ = '\0';
1758 	return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1759 }
1760 
1761 
wpa_supplicant_ctrl_iface_wps_er_config(struct wpa_supplicant * wpa_s,char * cmd)1762 static int wpa_supplicant_ctrl_iface_wps_er_config(
1763 	struct wpa_supplicant *wpa_s, char *cmd)
1764 {
1765 	char *pin;
1766 	char *new_ssid;
1767 	char *new_auth;
1768 	char *new_encr;
1769 	char *new_key;
1770 	struct wps_new_ap_settings ap;
1771 
1772 	pin = os_strchr(cmd, ' ');
1773 	if (pin == NULL)
1774 		return -1;
1775 	*pin++ = '\0';
1776 
1777 	new_ssid = os_strchr(pin, ' ');
1778 	if (new_ssid == NULL)
1779 		return -1;
1780 	*new_ssid++ = '\0';
1781 
1782 	new_auth = os_strchr(new_ssid, ' ');
1783 	if (new_auth == NULL)
1784 		return -1;
1785 	*new_auth++ = '\0';
1786 
1787 	new_encr = os_strchr(new_auth, ' ');
1788 	if (new_encr == NULL)
1789 		return -1;
1790 	*new_encr++ = '\0';
1791 
1792 	new_key = os_strchr(new_encr, ' ');
1793 	if (new_key == NULL)
1794 		return -1;
1795 	*new_key++ = '\0';
1796 
1797 	os_memset(&ap, 0, sizeof(ap));
1798 	ap.ssid_hex = new_ssid;
1799 	ap.auth = new_auth;
1800 	ap.encr = new_encr;
1801 	ap.key_hex = new_key;
1802 	return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1803 }
1804 
1805 
1806 #ifdef CONFIG_WPS_NFC
wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1807 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1808 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1809 {
1810 	int ndef;
1811 	struct wpabuf *buf;
1812 	int res;
1813 	char *uuid;
1814 
1815 	uuid = os_strchr(cmd, ' ');
1816 	if (uuid == NULL)
1817 		return -1;
1818 	*uuid++ = '\0';
1819 
1820 	if (os_strcmp(cmd, "WPS") == 0)
1821 		ndef = 0;
1822 	else if (os_strcmp(cmd, "NDEF") == 0)
1823 		ndef = 1;
1824 	else
1825 		return -1;
1826 
1827 	buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1828 	if (buf == NULL)
1829 		return -1;
1830 
1831 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1832 					 wpabuf_len(buf));
1833 	reply[res++] = '\n';
1834 	reply[res] = '\0';
1835 
1836 	wpabuf_free(buf);
1837 
1838 	return res;
1839 }
1840 #endif /* CONFIG_WPS_NFC */
1841 #endif /* CONFIG_WPS_ER */
1842 
1843 #endif /* CONFIG_WPS */
1844 
1845 
1846 #ifdef CONFIG_IBSS_RSN
wpa_supplicant_ctrl_iface_ibss_rsn(struct wpa_supplicant * wpa_s,char * addr)1847 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1848 	struct wpa_supplicant *wpa_s, char *addr)
1849 {
1850 	u8 peer[ETH_ALEN];
1851 
1852 	if (hwaddr_aton(addr, peer)) {
1853 		wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1854 			   "address '%s'", addr);
1855 		return -1;
1856 	}
1857 
1858 	wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1859 		   MAC2STR(peer));
1860 
1861 	return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1862 }
1863 #endif /* CONFIG_IBSS_RSN */
1864 
1865 
wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant * wpa_s,char * rsp)1866 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1867 					      char *rsp)
1868 {
1869 #ifdef IEEE8021X_EAPOL
1870 	char *pos, *id_pos;
1871 	int id;
1872 	struct wpa_ssid *ssid;
1873 
1874 	pos = os_strchr(rsp, '-');
1875 	if (pos == NULL)
1876 		return -1;
1877 	*pos++ = '\0';
1878 	id_pos = pos;
1879 	pos = os_strchr(pos, ':');
1880 	if (pos == NULL)
1881 		return -1;
1882 	*pos++ = '\0';
1883 	id = atoi(id_pos);
1884 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1885 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1886 			      (u8 *) pos, os_strlen(pos));
1887 
1888 	ssid = wpa_config_get_network(wpa_s->conf, id);
1889 	if (ssid == NULL) {
1890 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1891 			   "to update", id);
1892 		return -1;
1893 	}
1894 
1895 	return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1896 							 pos);
1897 #else /* IEEE8021X_EAPOL */
1898 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1899 	return -1;
1900 #endif /* IEEE8021X_EAPOL */
1901 }
1902 
1903 
wpa_supplicant_ctrl_iface_status(struct wpa_supplicant * wpa_s,const char * params,char * buf,size_t buflen)1904 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1905 					    const char *params,
1906 					    char *buf, size_t buflen)
1907 {
1908 	char *pos, *end, tmp[30];
1909 	int res, verbose, wps, ret;
1910 #ifdef CONFIG_HS20
1911 	const u8 *hs20;
1912 #endif /* CONFIG_HS20 */
1913 	const u8 *sess_id;
1914 	size_t sess_id_len;
1915 
1916 	if (os_strcmp(params, "-DRIVER") == 0)
1917 		return wpa_drv_status(wpa_s, buf, buflen);
1918 	verbose = os_strcmp(params, "-VERBOSE") == 0;
1919 	wps = os_strcmp(params, "-WPS") == 0;
1920 	pos = buf;
1921 	end = buf + buflen;
1922 	if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1923 		struct wpa_ssid *ssid = wpa_s->current_ssid;
1924 		ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1925 				  MAC2STR(wpa_s->bssid));
1926 		if (os_snprintf_error(end - pos, ret))
1927 			return pos - buf;
1928 		pos += ret;
1929 		ret = os_snprintf(pos, end - pos, "freq=%u\n",
1930 				  wpa_s->assoc_freq);
1931 		if (os_snprintf_error(end - pos, ret))
1932 			return pos - buf;
1933 		pos += ret;
1934 		if (ssid) {
1935 			u8 *_ssid = ssid->ssid;
1936 			size_t ssid_len = ssid->ssid_len;
1937 			u8 ssid_buf[SSID_MAX_LEN];
1938 			if (ssid_len == 0) {
1939 				int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1940 				if (_res < 0)
1941 					ssid_len = 0;
1942 				else
1943 					ssid_len = _res;
1944 				_ssid = ssid_buf;
1945 			}
1946 			ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1947 					  wpa_ssid_txt(_ssid, ssid_len),
1948 					  ssid->id);
1949 			if (os_snprintf_error(end - pos, ret))
1950 				return pos - buf;
1951 			pos += ret;
1952 
1953 			if (wps && ssid->passphrase &&
1954 			    wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1955 			    (ssid->mode == WPAS_MODE_AP ||
1956 			     ssid->mode == WPAS_MODE_P2P_GO)) {
1957 				ret = os_snprintf(pos, end - pos,
1958 						  "passphrase=%s\n",
1959 						  ssid->passphrase);
1960 				if (os_snprintf_error(end - pos, ret))
1961 					return pos - buf;
1962 				pos += ret;
1963 			}
1964 			if (ssid->id_str) {
1965 				ret = os_snprintf(pos, end - pos,
1966 						  "id_str=%s\n",
1967 						  ssid->id_str);
1968 				if (os_snprintf_error(end - pos, ret))
1969 					return pos - buf;
1970 				pos += ret;
1971 			}
1972 
1973 			switch (ssid->mode) {
1974 			case WPAS_MODE_INFRA:
1975 				ret = os_snprintf(pos, end - pos,
1976 						  "mode=station\n");
1977 				break;
1978 			case WPAS_MODE_IBSS:
1979 				ret = os_snprintf(pos, end - pos,
1980 						  "mode=IBSS\n");
1981 				break;
1982 			case WPAS_MODE_AP:
1983 				ret = os_snprintf(pos, end - pos,
1984 						  "mode=AP\n");
1985 				break;
1986 			case WPAS_MODE_P2P_GO:
1987 				ret = os_snprintf(pos, end - pos,
1988 						  "mode=P2P GO\n");
1989 				break;
1990 			case WPAS_MODE_P2P_GROUP_FORMATION:
1991 				ret = os_snprintf(pos, end - pos,
1992 						  "mode=P2P GO - group "
1993 						  "formation\n");
1994 				break;
1995 			case WPAS_MODE_MESH:
1996 				ret = os_snprintf(pos, end - pos,
1997 						  "mode=mesh\n");
1998 				break;
1999 			default:
2000 				ret = 0;
2001 				break;
2002 			}
2003 			if (os_snprintf_error(end - pos, ret))
2004 				return pos - buf;
2005 			pos += ret;
2006 		}
2007 
2008 #ifdef CONFIG_AP
2009 		if (wpa_s->ap_iface) {
2010 			pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
2011 							    end - pos,
2012 							    verbose);
2013 		} else
2014 #endif /* CONFIG_AP */
2015 		pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
2016 	}
2017 #ifdef CONFIG_SME
2018 #ifdef CONFIG_SAE
2019 	if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
2020 #ifdef CONFIG_AP
2021 	    !wpa_s->ap_iface &&
2022 #endif /* CONFIG_AP */
2023 	    wpa_s->sme.sae.state == SAE_ACCEPTED) {
2024 		ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
2025 				  wpa_s->sme.sae.group);
2026 		if (os_snprintf_error(end - pos, ret))
2027 			return pos - buf;
2028 		pos += ret;
2029 	}
2030 #endif /* CONFIG_SAE */
2031 #endif /* CONFIG_SME */
2032 	ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
2033 			  wpa_supplicant_state_txt(wpa_s->wpa_state));
2034 	if (os_snprintf_error(end - pos, ret))
2035 		return pos - buf;
2036 	pos += ret;
2037 
2038 	if (wpa_s->l2 &&
2039 	    l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
2040 		ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
2041 		if (os_snprintf_error(end - pos, ret))
2042 			return pos - buf;
2043 		pos += ret;
2044 	}
2045 
2046 #ifdef CONFIG_P2P
2047 	if (wpa_s->global->p2p) {
2048 		ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
2049 				  "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
2050 		if (os_snprintf_error(end - pos, ret))
2051 			return pos - buf;
2052 		pos += ret;
2053 	}
2054 #endif /* CONFIG_P2P */
2055 
2056 	ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
2057 			  MAC2STR(wpa_s->own_addr));
2058 	if (os_snprintf_error(end - pos, ret))
2059 		return pos - buf;
2060 	pos += ret;
2061 
2062 #ifdef CONFIG_HS20
2063 	if (wpa_s->current_bss &&
2064 	    (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2065 					  HS20_IE_VENDOR_TYPE)) &&
2066 	    wpa_s->wpa_proto == WPA_PROTO_RSN &&
2067 	    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2068 		int release = 1;
2069 		if (hs20[1] >= 5) {
2070 			u8 rel_num = (hs20[6] & 0xf0) >> 4;
2071 			release = rel_num + 1;
2072 		}
2073 		ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
2074 		if (os_snprintf_error(end - pos, ret))
2075 			return pos - buf;
2076 		pos += ret;
2077 	}
2078 
2079 	if (wpa_s->current_ssid) {
2080 		struct wpa_cred *cred;
2081 		char *type;
2082 
2083 		for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
2084 			size_t i;
2085 
2086 			if (wpa_s->current_ssid->parent_cred != cred)
2087 				continue;
2088 
2089 			if (cred->provisioning_sp) {
2090 				ret = os_snprintf(pos, end - pos,
2091 						  "provisioning_sp=%s\n",
2092 						  cred->provisioning_sp);
2093 				if (os_snprintf_error(end - pos, ret))
2094 					return pos - buf;
2095 				pos += ret;
2096 			}
2097 
2098 			if (!cred->domain)
2099 				goto no_domain;
2100 
2101 			i = 0;
2102 			if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
2103 				struct wpabuf *names =
2104 					wpa_s->current_bss->anqp->domain_name;
2105 				for (i = 0; names && i < cred->num_domain; i++)
2106 				{
2107 					if (domain_name_list_contains(
2108 						    names, cred->domain[i], 1))
2109 						break;
2110 				}
2111 				if (i == cred->num_domain)
2112 					i = 0; /* show first entry by default */
2113 			}
2114 			ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
2115 					  cred->domain[i]);
2116 			if (os_snprintf_error(end - pos, ret))
2117 				return pos - buf;
2118 			pos += ret;
2119 
2120 		no_domain:
2121 			if (wpa_s->current_bss == NULL ||
2122 			    wpa_s->current_bss->anqp == NULL)
2123 				res = -1;
2124 			else
2125 				res = interworking_home_sp_cred(
2126 					wpa_s, cred,
2127 					wpa_s->current_bss->anqp->domain_name);
2128 			if (res > 0)
2129 				type = "home";
2130 			else if (res == 0)
2131 				type = "roaming";
2132 			else
2133 				type = "unknown";
2134 
2135 			ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
2136 			if (os_snprintf_error(end - pos, ret))
2137 				return pos - buf;
2138 			pos += ret;
2139 
2140 			break;
2141 		}
2142 	}
2143 #endif /* CONFIG_HS20 */
2144 
2145 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2146 	    wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2147 		res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
2148 					  verbose);
2149 		if (res >= 0)
2150 			pos += res;
2151 	}
2152 
2153 #ifdef CONFIG_MACSEC
2154 	res = ieee802_1x_kay_get_status(wpa_s->kay, pos, end - pos);
2155 	if (res > 0)
2156 		pos += res;
2157 #endif /* CONFIG_MACSEC */
2158 
2159 	sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
2160 	if (sess_id) {
2161 		char *start = pos;
2162 
2163 		ret = os_snprintf(pos, end - pos, "eap_session_id=");
2164 		if (os_snprintf_error(end - pos, ret))
2165 			return start - buf;
2166 		pos += ret;
2167 		ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
2168 		if (ret <= 0)
2169 			return start - buf;
2170 		pos += ret;
2171 		ret = os_snprintf(pos, end - pos, "\n");
2172 		if (os_snprintf_error(end - pos, ret))
2173 			return start - buf;
2174 		pos += ret;
2175 	}
2176 
2177 	res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2178 	if (res >= 0)
2179 		pos += res;
2180 
2181 #ifdef CONFIG_WPS
2182 	{
2183 		char uuid_str[100];
2184 		uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2185 		ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2186 		if (os_snprintf_error(end - pos, ret))
2187 			return pos - buf;
2188 		pos += ret;
2189 	}
2190 #endif /* CONFIG_WPS */
2191 
2192 #ifdef ANDROID
2193 	/*
2194 	 * Allow using the STATUS command with default behavior, say for debug,
2195 	 * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2196 	 * events with STATUS-NO_EVENTS.
2197 	 */
2198 	if (os_strcmp(params, "-NO_EVENTS")) {
2199 		wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2200 			     "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2201 			     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2202 			     wpa_s->wpa_state,
2203 			     MAC2STR(wpa_s->bssid),
2204 			     wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2205 			     wpa_ssid_txt(wpa_s->current_ssid->ssid,
2206 					  wpa_s->current_ssid->ssid_len) : "");
2207 		if (wpa_s->wpa_state == WPA_COMPLETED) {
2208 			struct wpa_ssid *ssid = wpa_s->current_ssid;
2209 			wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2210 				     "- connection to " MACSTR
2211 				     " completed %s [id=%d id_str=%s]",
2212 				     MAC2STR(wpa_s->bssid), "(auth)",
2213 				     ssid ? ssid->id : -1,
2214 				     ssid && ssid->id_str ? ssid->id_str : "");
2215 		}
2216 	}
2217 #endif /* ANDROID */
2218 
2219 	return pos - buf;
2220 }
2221 
2222 
wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant * wpa_s,char * cmd)2223 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2224 					   char *cmd)
2225 {
2226 	char *pos;
2227 	int id;
2228 	struct wpa_ssid *ssid;
2229 	u8 bssid[ETH_ALEN];
2230 
2231 	/* cmd: "<network id> <BSSID>" */
2232 	pos = os_strchr(cmd, ' ');
2233 	if (pos == NULL)
2234 		return -1;
2235 	*pos++ = '\0';
2236 	id = atoi(cmd);
2237 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2238 	if (hwaddr_aton(pos, bssid)) {
2239 		wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2240 		return -1;
2241 	}
2242 
2243 	ssid = wpa_config_get_network(wpa_s->conf, id);
2244 	if (ssid == NULL) {
2245 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2246 			   "to update", id);
2247 		return -1;
2248 	}
2249 
2250 	os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2251 	ssid->bssid_set = !is_zero_ether_addr(bssid);
2252 
2253 	return 0;
2254 }
2255 
2256 
wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2257 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2258 					       char *cmd, char *buf,
2259 					       size_t buflen)
2260 {
2261 	u8 bssid[ETH_ALEN];
2262 	struct wpa_blacklist *e;
2263 	char *pos, *end;
2264 	int ret;
2265 
2266 	/* cmd: "BLACKLIST [<BSSID>]" */
2267 	if (*cmd == '\0') {
2268 		pos = buf;
2269 		end = buf + buflen;
2270 		e = wpa_s->blacklist;
2271 		while (e) {
2272 			ret = os_snprintf(pos, end - pos, MACSTR "\n",
2273 					  MAC2STR(e->bssid));
2274 			if (os_snprintf_error(end - pos, ret))
2275 				return pos - buf;
2276 			pos += ret;
2277 			e = e->next;
2278 		}
2279 		return pos - buf;
2280 	}
2281 
2282 	cmd++;
2283 	if (os_strncmp(cmd, "clear", 5) == 0) {
2284 		wpa_blacklist_clear(wpa_s);
2285 		os_memcpy(buf, "OK\n", 3);
2286 		return 3;
2287 	}
2288 
2289 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2290 	if (hwaddr_aton(cmd, bssid)) {
2291 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2292 		return -1;
2293 	}
2294 
2295 	/*
2296 	 * Add the BSSID twice, so its count will be 2, causing it to be
2297 	 * skipped when processing scan results.
2298 	 */
2299 	ret = wpa_blacklist_add(wpa_s, bssid);
2300 	if (ret < 0)
2301 		return -1;
2302 	ret = wpa_blacklist_add(wpa_s, bssid);
2303 	if (ret < 0)
2304 		return -1;
2305 	os_memcpy(buf, "OK\n", 3);
2306 	return 3;
2307 }
2308 
2309 
wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2310 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2311 					       char *cmd, char *buf,
2312 					       size_t buflen)
2313 {
2314 	char *pos, *end, *stamp;
2315 	int ret;
2316 
2317 	/* cmd: "LOG_LEVEL [<level>]" */
2318 	if (*cmd == '\0') {
2319 		pos = buf;
2320 		end = buf + buflen;
2321 		ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2322 				  "Timestamp: %d\n",
2323 				  debug_level_str(wpa_debug_level),
2324 				  wpa_debug_timestamp);
2325 		if (os_snprintf_error(end - pos, ret))
2326 			ret = 0;
2327 
2328 		return ret;
2329 	}
2330 
2331 	while (*cmd == ' ')
2332 		cmd++;
2333 
2334 	stamp = os_strchr(cmd, ' ');
2335 	if (stamp) {
2336 		*stamp++ = '\0';
2337 		while (*stamp == ' ') {
2338 			stamp++;
2339 		}
2340 	}
2341 
2342 	if (os_strlen(cmd)) {
2343 		int level = str_to_debug_level(cmd);
2344 		if (level < 0)
2345 			return -1;
2346 		wpa_debug_level = level;
2347 	}
2348 
2349 	if (stamp && os_strlen(stamp))
2350 		wpa_debug_timestamp = atoi(stamp);
2351 
2352 	os_memcpy(buf, "OK\n", 3);
2353 	return 3;
2354 }
2355 
2356 
wpa_supplicant_ctrl_iface_list_networks(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2357 static int wpa_supplicant_ctrl_iface_list_networks(
2358 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2359 {
2360 	char *pos, *end, *prev;
2361 	struct wpa_ssid *ssid;
2362 	int ret;
2363 
2364 	pos = buf;
2365 	end = buf + buflen;
2366 	ret = os_snprintf(pos, end - pos,
2367 			  "network id / ssid / bssid / flags\n");
2368 	if (os_snprintf_error(end - pos, ret))
2369 		return pos - buf;
2370 	pos += ret;
2371 
2372 	ssid = wpa_s->conf->ssid;
2373 
2374 	/* skip over ssids until we find next one */
2375 	if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2376 		int last_id = atoi(cmd + 8);
2377 		if (last_id != -1) {
2378 			while (ssid != NULL && ssid->id <= last_id) {
2379 				ssid = ssid->next;
2380 			}
2381 		}
2382 	}
2383 
2384 	while (ssid) {
2385 		prev = pos;
2386 		ret = os_snprintf(pos, end - pos, "%d\t%s",
2387 				  ssid->id,
2388 				  wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2389 		if (os_snprintf_error(end - pos, ret))
2390 			return prev - buf;
2391 		pos += ret;
2392 		if (ssid->bssid_set) {
2393 			ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2394 					  MAC2STR(ssid->bssid));
2395 		} else {
2396 			ret = os_snprintf(pos, end - pos, "\tany");
2397 		}
2398 		if (os_snprintf_error(end - pos, ret))
2399 			return prev - buf;
2400 		pos += ret;
2401 		ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2402 				  ssid == wpa_s->current_ssid ?
2403 				  "[CURRENT]" : "",
2404 				  ssid->disabled ? "[DISABLED]" : "",
2405 				  ssid->disabled_until.sec ?
2406 				  "[TEMP-DISABLED]" : "",
2407 				  ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2408 				  "");
2409 		if (os_snprintf_error(end - pos, ret))
2410 			return prev - buf;
2411 		pos += ret;
2412 		ret = os_snprintf(pos, end - pos, "\n");
2413 		if (os_snprintf_error(end - pos, ret))
2414 			return prev - buf;
2415 		pos += ret;
2416 
2417 		ssid = ssid->next;
2418 	}
2419 
2420 	return pos - buf;
2421 }
2422 
2423 
wpa_supplicant_cipher_txt(char * pos,char * end,int cipher)2424 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2425 {
2426 	int ret;
2427 	ret = os_snprintf(pos, end - pos, "-");
2428 	if (os_snprintf_error(end - pos, ret))
2429 		return pos;
2430 	pos += ret;
2431 	ret = wpa_write_ciphers(pos, end, cipher, "+");
2432 	if (ret < 0)
2433 		return pos;
2434 	pos += ret;
2435 	return pos;
2436 }
2437 
2438 
wpa_supplicant_ie_txt(char * pos,char * end,const char * proto,const u8 * ie,size_t ie_len)2439 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2440 				    const u8 *ie, size_t ie_len)
2441 {
2442 	struct wpa_ie_data data;
2443 	char *start;
2444 	int ret;
2445 
2446 	ret = os_snprintf(pos, end - pos, "[%s-", proto);
2447 	if (os_snprintf_error(end - pos, ret))
2448 		return pos;
2449 	pos += ret;
2450 
2451 	if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2452 		ret = os_snprintf(pos, end - pos, "?]");
2453 		if (os_snprintf_error(end - pos, ret))
2454 			return pos;
2455 		pos += ret;
2456 		return pos;
2457 	}
2458 
2459 	start = pos;
2460 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2461 		ret = os_snprintf(pos, end - pos, "%sEAP",
2462 				  pos == start ? "" : "+");
2463 		if (os_snprintf_error(end - pos, ret))
2464 			return pos;
2465 		pos += ret;
2466 	}
2467 	if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2468 		ret = os_snprintf(pos, end - pos, "%sPSK",
2469 				  pos == start ? "" : "+");
2470 		if (os_snprintf_error(end - pos, ret))
2471 			return pos;
2472 		pos += ret;
2473 	}
2474 	if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2475 		ret = os_snprintf(pos, end - pos, "%sNone",
2476 				  pos == start ? "" : "+");
2477 		if (os_snprintf_error(end - pos, ret))
2478 			return pos;
2479 		pos += ret;
2480 	}
2481 	if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2482 		ret = os_snprintf(pos, end - pos, "%sSAE",
2483 				  pos == start ? "" : "+");
2484 		if (os_snprintf_error(end - pos, ret))
2485 			return pos;
2486 		pos += ret;
2487 	}
2488 #ifdef CONFIG_IEEE80211R
2489 	if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2490 		ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2491 				  pos == start ? "" : "+");
2492 		if (os_snprintf_error(end - pos, ret))
2493 			return pos;
2494 		pos += ret;
2495 	}
2496 	if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2497 		ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2498 				  pos == start ? "" : "+");
2499 		if (os_snprintf_error(end - pos, ret))
2500 			return pos;
2501 		pos += ret;
2502 	}
2503 	if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2504 		ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2505 				  pos == start ? "" : "+");
2506 		if (os_snprintf_error(end - pos, ret))
2507 			return pos;
2508 		pos += ret;
2509 	}
2510 #endif /* CONFIG_IEEE80211R */
2511 #ifdef CONFIG_IEEE80211W
2512 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2513 		ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2514 				  pos == start ? "" : "+");
2515 		if (os_snprintf_error(end - pos, ret))
2516 			return pos;
2517 		pos += ret;
2518 	}
2519 	if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2520 		ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2521 				  pos == start ? "" : "+");
2522 		if (os_snprintf_error(end - pos, ret))
2523 			return pos;
2524 		pos += ret;
2525 	}
2526 #endif /* CONFIG_IEEE80211W */
2527 
2528 #ifdef CONFIG_SUITEB
2529 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2530 		ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2531 				  pos == start ? "" : "+");
2532 		if (os_snprintf_error(end - pos, ret))
2533 			return pos;
2534 		pos += ret;
2535 	}
2536 #endif /* CONFIG_SUITEB */
2537 
2538 #ifdef CONFIG_SUITEB192
2539 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2540 		ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2541 				  pos == start ? "" : "+");
2542 		if (os_snprintf_error(end - pos, ret))
2543 			return pos;
2544 		pos += ret;
2545 	}
2546 #endif /* CONFIG_SUITEB192 */
2547 
2548 #ifdef CONFIG_FILS
2549 	if (data.key_mgmt & WPA_KEY_MGMT_FILS_SHA256) {
2550 		ret = os_snprintf(pos, end - pos, "%sFILS-SHA256",
2551 				  pos == start ? "" : "+");
2552 		if (os_snprintf_error(end - pos, ret))
2553 			return pos;
2554 		pos += ret;
2555 	}
2556 	if (data.key_mgmt & WPA_KEY_MGMT_FILS_SHA384) {
2557 		ret = os_snprintf(pos, end - pos, "%sFILS-SHA384",
2558 				  pos == start ? "" : "+");
2559 		if (os_snprintf_error(end - pos, ret))
2560 			return pos;
2561 		pos += ret;
2562 	}
2563 #ifdef CONFIG_IEEE80211R
2564 	if (data.key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA256) {
2565 		ret = os_snprintf(pos, end - pos, "%sFT-FILS-SHA256",
2566 				  pos == start ? "" : "+");
2567 		if (os_snprintf_error(end - pos, ret))
2568 			return pos;
2569 		pos += ret;
2570 	}
2571 	if (data.key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA384) {
2572 		ret = os_snprintf(pos, end - pos, "%sFT-FILS-SHA384",
2573 				  pos == start ? "" : "+");
2574 		if (os_snprintf_error(end - pos, ret))
2575 			return pos;
2576 		pos += ret;
2577 	}
2578 #endif /* CONFIG_IEEE80211R */
2579 #endif /* CONFIG_FILS */
2580 
2581 	if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2582 		ret = os_snprintf(pos, end - pos, "%sOSEN",
2583 				  pos == start ? "" : "+");
2584 		if (os_snprintf_error(end - pos, ret))
2585 			return pos;
2586 		pos += ret;
2587 	}
2588 
2589 	pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2590 
2591 	if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2592 		ret = os_snprintf(pos, end - pos, "-preauth");
2593 		if (os_snprintf_error(end - pos, ret))
2594 			return pos;
2595 		pos += ret;
2596 	}
2597 
2598 	ret = os_snprintf(pos, end - pos, "]");
2599 	if (os_snprintf_error(end - pos, ret))
2600 		return pos;
2601 	pos += ret;
2602 
2603 	return pos;
2604 }
2605 
2606 
2607 #ifdef CONFIG_WPS
wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant * wpa_s,char * pos,char * end,struct wpabuf * wps_ie)2608 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2609 					    char *pos, char *end,
2610 					    struct wpabuf *wps_ie)
2611 {
2612 	int ret;
2613 	const char *txt;
2614 
2615 	if (wps_ie == NULL)
2616 		return pos;
2617 	if (wps_is_selected_pbc_registrar(wps_ie))
2618 		txt = "[WPS-PBC]";
2619 	else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2620 		txt = "[WPS-AUTH]";
2621 	else if (wps_is_selected_pin_registrar(wps_ie))
2622 		txt = "[WPS-PIN]";
2623 	else
2624 		txt = "[WPS]";
2625 
2626 	ret = os_snprintf(pos, end - pos, "%s", txt);
2627 	if (!os_snprintf_error(end - pos, ret))
2628 		pos += ret;
2629 	wpabuf_free(wps_ie);
2630 	return pos;
2631 }
2632 #endif /* CONFIG_WPS */
2633 
2634 
wpa_supplicant_wps_ie_txt(struct wpa_supplicant * wpa_s,char * pos,char * end,const struct wpa_bss * bss)2635 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2636 					char *pos, char *end,
2637 					const struct wpa_bss *bss)
2638 {
2639 #ifdef CONFIG_WPS
2640 	struct wpabuf *wps_ie;
2641 	wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2642 	return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2643 #else /* CONFIG_WPS */
2644 	return pos;
2645 #endif /* CONFIG_WPS */
2646 }
2647 
2648 
2649 /* Format one result on one text line into a buffer. */
wpa_supplicant_ctrl_iface_scan_result(struct wpa_supplicant * wpa_s,const struct wpa_bss * bss,char * buf,size_t buflen)2650 static int wpa_supplicant_ctrl_iface_scan_result(
2651 	struct wpa_supplicant *wpa_s,
2652 	const struct wpa_bss *bss, char *buf, size_t buflen)
2653 {
2654 	char *pos, *end;
2655 	int ret;
2656 	const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
2657 
2658 	mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2659 	p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2660 	if (!p2p)
2661 		p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2662 	if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2663 	    os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2664 	    0)
2665 		return 0; /* Do not show P2P listen discovery results here */
2666 
2667 	pos = buf;
2668 	end = buf + buflen;
2669 
2670 	ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2671 			  MAC2STR(bss->bssid), bss->freq, bss->level);
2672 	if (os_snprintf_error(end - pos, ret))
2673 		return -1;
2674 	pos += ret;
2675 	ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2676 	if (ie)
2677 		pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2678 	ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2679 	if (ie2) {
2680 		pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2681 					    ie2, 2 + ie2[1]);
2682 	}
2683 	osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2684 	if (osen_ie)
2685 		pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2686 					    osen_ie, 2 + osen_ie[1]);
2687 	pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2688 	if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2689 		ret = os_snprintf(pos, end - pos, "[WEP]");
2690 		if (os_snprintf_error(end - pos, ret))
2691 			return -1;
2692 		pos += ret;
2693 	}
2694 	if (mesh) {
2695 		ret = os_snprintf(pos, end - pos, "[MESH]");
2696 		if (os_snprintf_error(end - pos, ret))
2697 			return -1;
2698 		pos += ret;
2699 	}
2700 	if (bss_is_dmg(bss)) {
2701 		const char *s;
2702 		ret = os_snprintf(pos, end - pos, "[DMG]");
2703 		if (os_snprintf_error(end - pos, ret))
2704 			return -1;
2705 		pos += ret;
2706 		switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2707 		case IEEE80211_CAP_DMG_IBSS:
2708 			s = "[IBSS]";
2709 			break;
2710 		case IEEE80211_CAP_DMG_AP:
2711 			s = "[ESS]";
2712 			break;
2713 		case IEEE80211_CAP_DMG_PBSS:
2714 			s = "[PBSS]";
2715 			break;
2716 		default:
2717 			s = "";
2718 			break;
2719 		}
2720 		ret = os_snprintf(pos, end - pos, "%s", s);
2721 		if (os_snprintf_error(end - pos, ret))
2722 			return -1;
2723 		pos += ret;
2724 	} else {
2725 		if (bss->caps & IEEE80211_CAP_IBSS) {
2726 			ret = os_snprintf(pos, end - pos, "[IBSS]");
2727 			if (os_snprintf_error(end - pos, ret))
2728 				return -1;
2729 			pos += ret;
2730 		}
2731 		if (bss->caps & IEEE80211_CAP_ESS) {
2732 			ret = os_snprintf(pos, end - pos, "[ESS]");
2733 			if (os_snprintf_error(end - pos, ret))
2734 				return -1;
2735 			pos += ret;
2736 		}
2737 	}
2738 	if (p2p) {
2739 		ret = os_snprintf(pos, end - pos, "[P2P]");
2740 		if (os_snprintf_error(end - pos, ret))
2741 			return -1;
2742 		pos += ret;
2743 	}
2744 #ifdef CONFIG_HS20
2745 	if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2746 		ret = os_snprintf(pos, end - pos, "[HS20]");
2747 		if (os_snprintf_error(end - pos, ret))
2748 			return -1;
2749 		pos += ret;
2750 	}
2751 #endif /* CONFIG_HS20 */
2752 #ifdef CONFIG_FILS
2753 	if (wpa_bss_get_ie(bss, WLAN_EID_FILS_INDICATION)) {
2754 		ret = os_snprintf(pos, end - pos, "[FILS]");
2755 		if (os_snprintf_error(end - pos, ret))
2756 			return -1;
2757 		pos += ret;
2758 	}
2759 #endif /* CONFIG_FILS */
2760 #ifdef CONFIG_FST
2761 	if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2762 		ret = os_snprintf(pos, end - pos, "[FST]");
2763 		if (os_snprintf_error(end - pos, ret))
2764 			return -1;
2765 		pos += ret;
2766 	}
2767 #endif /* CONFIG_FST */
2768 
2769 	ret = os_snprintf(pos, end - pos, "\t%s",
2770 			  wpa_ssid_txt(bss->ssid, bss->ssid_len));
2771 	if (os_snprintf_error(end - pos, ret))
2772 		return -1;
2773 	pos += ret;
2774 
2775 	ret = os_snprintf(pos, end - pos, "\n");
2776 	if (os_snprintf_error(end - pos, ret))
2777 		return -1;
2778 	pos += ret;
2779 
2780 	return pos - buf;
2781 }
2782 
2783 
wpa_supplicant_ctrl_iface_scan_results(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2784 static int wpa_supplicant_ctrl_iface_scan_results(
2785 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2786 {
2787 	char *pos, *end;
2788 	struct wpa_bss *bss;
2789 	int ret;
2790 
2791 	pos = buf;
2792 	end = buf + buflen;
2793 	ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2794 			  "flags / ssid\n");
2795 	if (os_snprintf_error(end - pos, ret))
2796 		return pos - buf;
2797 	pos += ret;
2798 
2799 	dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2800 		ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2801 							    end - pos);
2802 		if (ret < 0 || ret >= end - pos)
2803 			return pos - buf;
2804 		pos += ret;
2805 	}
2806 
2807 	return pos - buf;
2808 }
2809 
2810 
2811 #ifdef CONFIG_MESH
2812 
wpa_supplicant_ctrl_iface_mesh_interface_add(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)2813 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2814 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2815 {
2816 	char *pos, ifname[IFNAMSIZ + 1];
2817 
2818 	ifname[0] = '\0';
2819 
2820 	pos = os_strstr(cmd, "ifname=");
2821 	if (pos) {
2822 		pos += 7;
2823 		os_strlcpy(ifname, pos, sizeof(ifname));
2824 	}
2825 
2826 	if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
2827 		return -1;
2828 
2829 	os_strlcpy(reply, ifname, max_len);
2830 	return os_strlen(ifname);
2831 }
2832 
2833 
wpa_supplicant_ctrl_iface_mesh_group_add(struct wpa_supplicant * wpa_s,char * cmd)2834 static int wpa_supplicant_ctrl_iface_mesh_group_add(
2835 	struct wpa_supplicant *wpa_s, char *cmd)
2836 {
2837 	int id;
2838 	struct wpa_ssid *ssid;
2839 
2840 	id = atoi(cmd);
2841 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
2842 
2843 	ssid = wpa_config_get_network(wpa_s->conf, id);
2844 	if (ssid == NULL) {
2845 		wpa_printf(MSG_DEBUG,
2846 			   "CTRL_IFACE: Could not find network id=%d", id);
2847 		return -1;
2848 	}
2849 	if (ssid->mode != WPAS_MODE_MESH) {
2850 		wpa_printf(MSG_DEBUG,
2851 			   "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
2852 		return -1;
2853 	}
2854 	if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
2855 	    ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
2856 		wpa_printf(MSG_ERROR,
2857 			   "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
2858 		return -1;
2859 	}
2860 
2861 	/*
2862 	 * TODO: If necessary write our own group_add function,
2863 	 * for now we can reuse select_network
2864 	 */
2865 	wpa_supplicant_select_network(wpa_s, ssid);
2866 
2867 	return 0;
2868 }
2869 
2870 
wpa_supplicant_ctrl_iface_mesh_group_remove(struct wpa_supplicant * wpa_s,char * cmd)2871 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
2872 	struct wpa_supplicant *wpa_s, char *cmd)
2873 {
2874 	struct wpa_supplicant *orig;
2875 	struct wpa_global *global;
2876 	int found = 0;
2877 
2878 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
2879 
2880 	global = wpa_s->global;
2881 	orig = wpa_s;
2882 
2883 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
2884 		if (os_strcmp(wpa_s->ifname, cmd) == 0) {
2885 			found = 1;
2886 			break;
2887 		}
2888 	}
2889 	if (!found) {
2890 		wpa_printf(MSG_ERROR,
2891 			   "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
2892 			   cmd);
2893 		return -1;
2894 	}
2895 	if (wpa_s->mesh_if_created && wpa_s == orig) {
2896 		wpa_printf(MSG_ERROR,
2897 			   "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
2898 		return -1;
2899 	}
2900 
2901 	wpa_s->reassociate = 0;
2902 	wpa_s->disconnected = 1;
2903 	wpa_supplicant_cancel_sched_scan(wpa_s);
2904 	wpa_supplicant_cancel_scan(wpa_s);
2905 
2906 	/*
2907 	 * TODO: If necessary write our own group_remove function,
2908 	 * for now we can reuse deauthenticate
2909 	 */
2910 	wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2911 
2912 	if (wpa_s->mesh_if_created)
2913 		wpa_supplicant_remove_iface(global, wpa_s, 0);
2914 
2915 	return 0;
2916 }
2917 
2918 
wpa_supplicant_ctrl_iface_mesh_peer_remove(struct wpa_supplicant * wpa_s,char * cmd)2919 static int wpa_supplicant_ctrl_iface_mesh_peer_remove(
2920 	struct wpa_supplicant *wpa_s, char *cmd)
2921 {
2922 	u8 addr[ETH_ALEN];
2923 
2924 	if (hwaddr_aton(cmd, addr) < 0)
2925 		return -1;
2926 
2927 	return wpas_mesh_peer_remove(wpa_s, addr);
2928 }
2929 
2930 
wpa_supplicant_ctrl_iface_mesh_peer_add(struct wpa_supplicant * wpa_s,char * cmd)2931 static int wpa_supplicant_ctrl_iface_mesh_peer_add(
2932 	struct wpa_supplicant *wpa_s, char *cmd)
2933 {
2934 	u8 addr[ETH_ALEN];
2935 	int duration;
2936 	char *pos;
2937 
2938 	pos = os_strstr(cmd, " duration=");
2939 	if (pos) {
2940 		*pos = '\0';
2941 		duration = atoi(pos + 10);
2942 	} else {
2943 		duration = -1;
2944 	}
2945 
2946 	if (hwaddr_aton(cmd, addr))
2947 		return -1;
2948 
2949 	return wpas_mesh_peer_add(wpa_s, addr, duration);
2950 }
2951 
2952 #endif /* CONFIG_MESH */
2953 
2954 
wpa_supplicant_ctrl_iface_select_network(struct wpa_supplicant * wpa_s,char * cmd)2955 static int wpa_supplicant_ctrl_iface_select_network(
2956 	struct wpa_supplicant *wpa_s, char *cmd)
2957 {
2958 	int id;
2959 	struct wpa_ssid *ssid;
2960 	char *pos;
2961 
2962 	/* cmd: "<network id>" or "any" */
2963 	if (os_strncmp(cmd, "any", 3) == 0) {
2964 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2965 		ssid = NULL;
2966 	} else {
2967 		id = atoi(cmd);
2968 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2969 
2970 		ssid = wpa_config_get_network(wpa_s->conf, id);
2971 		if (ssid == NULL) {
2972 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2973 				   "network id=%d", id);
2974 			return -1;
2975 		}
2976 		if (ssid->disabled == 2) {
2977 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2978 				   "SELECT_NETWORK with persistent P2P group");
2979 			return -1;
2980 		}
2981 	}
2982 
2983 	pos = os_strstr(cmd, " freq=");
2984 	if (pos) {
2985 		int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
2986 		if (freqs) {
2987 			wpa_s->scan_req = MANUAL_SCAN_REQ;
2988 			os_free(wpa_s->manual_scan_freqs);
2989 			wpa_s->manual_scan_freqs = freqs;
2990 		}
2991 	}
2992 
2993 	wpa_s->scan_min_time.sec = 0;
2994 	wpa_s->scan_min_time.usec = 0;
2995 	wpa_supplicant_select_network(wpa_s, ssid);
2996 
2997 	return 0;
2998 }
2999 
3000 
wpa_supplicant_ctrl_iface_enable_network(struct wpa_supplicant * wpa_s,char * cmd)3001 static int wpa_supplicant_ctrl_iface_enable_network(
3002 	struct wpa_supplicant *wpa_s, char *cmd)
3003 {
3004 	int id;
3005 	struct wpa_ssid *ssid;
3006 
3007 	/* cmd: "<network id>" or "all" */
3008 	if (os_strcmp(cmd, "all") == 0) {
3009 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
3010 		ssid = NULL;
3011 	} else {
3012 		id = atoi(cmd);
3013 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
3014 
3015 		ssid = wpa_config_get_network(wpa_s->conf, id);
3016 		if (ssid == NULL) {
3017 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3018 				   "network id=%d", id);
3019 			return -1;
3020 		}
3021 		if (ssid->disabled == 2) {
3022 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
3023 				   "ENABLE_NETWORK with persistent P2P group");
3024 			return -1;
3025 		}
3026 
3027 		if (os_strstr(cmd, " no-connect")) {
3028 			ssid->disabled = 0;
3029 			return 0;
3030 		}
3031 	}
3032 	wpa_s->scan_min_time.sec = 0;
3033 	wpa_s->scan_min_time.usec = 0;
3034 	wpa_supplicant_enable_network(wpa_s, ssid);
3035 
3036 	return 0;
3037 }
3038 
3039 
wpa_supplicant_ctrl_iface_disable_network(struct wpa_supplicant * wpa_s,char * cmd)3040 static int wpa_supplicant_ctrl_iface_disable_network(
3041 	struct wpa_supplicant *wpa_s, char *cmd)
3042 {
3043 	int id;
3044 	struct wpa_ssid *ssid;
3045 
3046 	/* cmd: "<network id>" or "all" */
3047 	if (os_strcmp(cmd, "all") == 0) {
3048 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
3049 		ssid = NULL;
3050 	} else {
3051 		id = atoi(cmd);
3052 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
3053 
3054 		ssid = wpa_config_get_network(wpa_s->conf, id);
3055 		if (ssid == NULL) {
3056 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3057 				   "network id=%d", id);
3058 			return -1;
3059 		}
3060 		if (ssid->disabled == 2) {
3061 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
3062 				   "DISABLE_NETWORK with persistent P2P "
3063 				   "group");
3064 			return -1;
3065 		}
3066 	}
3067 	wpa_supplicant_disable_network(wpa_s, ssid);
3068 
3069 	return 0;
3070 }
3071 
3072 
wpa_supplicant_ctrl_iface_add_network(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3073 static int wpa_supplicant_ctrl_iface_add_network(
3074 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
3075 {
3076 	struct wpa_ssid *ssid;
3077 	int ret;
3078 
3079 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
3080 
3081 	ssid = wpa_supplicant_add_network(wpa_s);
3082 	if (ssid == NULL)
3083 		return -1;
3084 
3085 	ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
3086 	if (os_snprintf_error(buflen, ret))
3087 		return -1;
3088 	return ret;
3089 }
3090 
3091 
wpa_supplicant_ctrl_iface_remove_network(struct wpa_supplicant * wpa_s,char * cmd)3092 static int wpa_supplicant_ctrl_iface_remove_network(
3093 	struct wpa_supplicant *wpa_s, char *cmd)
3094 {
3095 	int id;
3096 	struct wpa_ssid *ssid;
3097 	int result;
3098 
3099 	/* cmd: "<network id>" or "all" */
3100 	if (os_strcmp(cmd, "all") == 0) {
3101 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
3102 		if (wpa_s->sched_scanning)
3103 			wpa_supplicant_cancel_sched_scan(wpa_s);
3104 
3105 		eapol_sm_invalidate_cached_session(wpa_s->eapol);
3106 		if (wpa_s->current_ssid) {
3107 #ifdef CONFIG_SME
3108 			wpa_s->sme.prev_bssid_set = 0;
3109 #endif /* CONFIG_SME */
3110 			wpa_sm_set_config(wpa_s->wpa, NULL);
3111 			eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
3112 			if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
3113 				wpa_s->own_disconnect_req = 1;
3114 			wpa_supplicant_deauthenticate(
3115 				wpa_s, WLAN_REASON_DEAUTH_LEAVING);
3116 		}
3117 		ssid = wpa_s->conf->ssid;
3118 		while (ssid) {
3119 			struct wpa_ssid *remove_ssid = ssid;
3120 			id = ssid->id;
3121 			ssid = ssid->next;
3122 			if (wpa_s->last_ssid == remove_ssid)
3123 				wpa_s->last_ssid = NULL;
3124 			wpas_notify_network_removed(wpa_s, remove_ssid);
3125 			wpa_config_remove_network(wpa_s->conf, id);
3126 		}
3127 		return 0;
3128 	}
3129 
3130 	id = atoi(cmd);
3131 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
3132 
3133 	result = wpa_supplicant_remove_network(wpa_s, id);
3134 	if (result == -1) {
3135 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3136 			   "id=%d", id);
3137 		return -1;
3138 	}
3139 	if (result == -2) {
3140 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
3141 			   "network id=%d", id);
3142 		return -1;
3143 	}
3144 	return 0;
3145 }
3146 
3147 
wpa_supplicant_ctrl_iface_update_network(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,char * name,char * value)3148 static int wpa_supplicant_ctrl_iface_update_network(
3149 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
3150 	char *name, char *value)
3151 {
3152 	int ret;
3153 
3154 	ret = wpa_config_set(ssid, name, value, 0);
3155 	if (ret < 0) {
3156 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
3157 			   "variable '%s'", name);
3158 		return -1;
3159 	}
3160 	if (ret == 1)
3161 		return 0; /* No change to the previously configured value */
3162 
3163 	if (os_strcmp(name, "bssid") != 0 &&
3164 	    os_strcmp(name, "priority") != 0) {
3165 		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
3166 
3167 		if (wpa_s->current_ssid == ssid ||
3168 		    wpa_s->current_ssid == NULL) {
3169 			/*
3170 			 * Invalidate the EAP session cache if anything in the
3171 			 * current or previously used configuration changes.
3172 			 */
3173 			eapol_sm_invalidate_cached_session(wpa_s->eapol);
3174 		}
3175 	}
3176 
3177 	if ((os_strcmp(name, "psk") == 0 &&
3178 	     value[0] == '"' && ssid->ssid_len) ||
3179 	    (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
3180 		wpa_config_update_psk(ssid);
3181 	else if (os_strcmp(name, "priority") == 0)
3182 		wpa_config_update_prio_list(wpa_s->conf);
3183 
3184 	return 0;
3185 }
3186 
3187 
wpa_supplicant_ctrl_iface_set_network(struct wpa_supplicant * wpa_s,char * cmd)3188 static int wpa_supplicant_ctrl_iface_set_network(
3189 	struct wpa_supplicant *wpa_s, char *cmd)
3190 {
3191 	int id, ret, prev_bssid_set, prev_disabled;
3192 	struct wpa_ssid *ssid;
3193 	char *name, *value;
3194 	u8 prev_bssid[ETH_ALEN];
3195 
3196 	/* cmd: "<network id> <variable name> <value>" */
3197 	name = os_strchr(cmd, ' ');
3198 	if (name == NULL)
3199 		return -1;
3200 	*name++ = '\0';
3201 
3202 	value = os_strchr(name, ' ');
3203 	if (value == NULL)
3204 		return -1;
3205 	*value++ = '\0';
3206 
3207 	id = atoi(cmd);
3208 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3209 		   id, name);
3210 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3211 			      (u8 *) value, os_strlen(value));
3212 
3213 	ssid = wpa_config_get_network(wpa_s->conf, id);
3214 	if (ssid == NULL) {
3215 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3216 			   "id=%d", id);
3217 		return -1;
3218 	}
3219 
3220 	prev_bssid_set = ssid->bssid_set;
3221 	prev_disabled = ssid->disabled;
3222 	os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3223 	ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3224 						       value);
3225 	if (ret == 0 &&
3226 	    (ssid->bssid_set != prev_bssid_set ||
3227 	     os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3228 		wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3229 
3230 	if (prev_disabled != ssid->disabled &&
3231 	    (prev_disabled == 2 || ssid->disabled == 2))
3232 		wpas_notify_network_type_changed(wpa_s, ssid);
3233 
3234 	return ret;
3235 }
3236 
3237 
wpa_supplicant_ctrl_iface_get_network(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3238 static int wpa_supplicant_ctrl_iface_get_network(
3239 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3240 {
3241 	int id;
3242 	size_t res;
3243 	struct wpa_ssid *ssid;
3244 	char *name, *value;
3245 
3246 	/* cmd: "<network id> <variable name>" */
3247 	name = os_strchr(cmd, ' ');
3248 	if (name == NULL || buflen == 0)
3249 		return -1;
3250 	*name++ = '\0';
3251 
3252 	id = atoi(cmd);
3253 	wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3254 		   id, name);
3255 
3256 	ssid = wpa_config_get_network(wpa_s->conf, id);
3257 	if (ssid == NULL) {
3258 		wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3259 			   "id=%d", id);
3260 		return -1;
3261 	}
3262 
3263 	value = wpa_config_get_no_key(ssid, name);
3264 	if (value == NULL) {
3265 		wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3266 			   "variable '%s'", name);
3267 		return -1;
3268 	}
3269 
3270 	res = os_strlcpy(buf, value, buflen);
3271 	if (res >= buflen) {
3272 		os_free(value);
3273 		return -1;
3274 	}
3275 
3276 	os_free(value);
3277 
3278 	return res;
3279 }
3280 
3281 
wpa_supplicant_ctrl_iface_dup_network(struct wpa_supplicant * wpa_s,char * cmd,struct wpa_supplicant * dst_wpa_s)3282 static int wpa_supplicant_ctrl_iface_dup_network(
3283 	struct wpa_supplicant *wpa_s, char *cmd,
3284 	struct wpa_supplicant *dst_wpa_s)
3285 {
3286 	struct wpa_ssid *ssid_s, *ssid_d;
3287 	char *name, *id, *value;
3288 	int id_s, id_d, ret;
3289 
3290 	/* cmd: "<src network id> <dst network id> <variable name>" */
3291 	id = os_strchr(cmd, ' ');
3292 	if (id == NULL)
3293 		return -1;
3294 	*id++ = '\0';
3295 
3296 	name = os_strchr(id, ' ');
3297 	if (name == NULL)
3298 		return -1;
3299 	*name++ = '\0';
3300 
3301 	id_s = atoi(cmd);
3302 	id_d = atoi(id);
3303 
3304 	wpa_printf(MSG_DEBUG,
3305 		   "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3306 		   wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3307 
3308 	ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3309 	if (ssid_s == NULL) {
3310 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3311 			   "network id=%d", id_s);
3312 		return -1;
3313 	}
3314 
3315 	ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3316 	if (ssid_d == NULL) {
3317 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3318 			   "network id=%d", id_d);
3319 		return -1;
3320 	}
3321 
3322 	value = wpa_config_get(ssid_s, name);
3323 	if (value == NULL) {
3324 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3325 			   "variable '%s'", name);
3326 		return -1;
3327 	}
3328 
3329 	ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3330 						       value);
3331 
3332 	os_free(value);
3333 
3334 	return ret;
3335 }
3336 
3337 
wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3338 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3339 						char *buf, size_t buflen)
3340 {
3341 	char *pos, *end;
3342 	struct wpa_cred *cred;
3343 	int ret;
3344 
3345 	pos = buf;
3346 	end = buf + buflen;
3347 	ret = os_snprintf(pos, end - pos,
3348 			  "cred id / realm / username / domain / imsi\n");
3349 	if (os_snprintf_error(end - pos, ret))
3350 		return pos - buf;
3351 	pos += ret;
3352 
3353 	cred = wpa_s->conf->cred;
3354 	while (cred) {
3355 		ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3356 				  cred->id, cred->realm ? cred->realm : "",
3357 				  cred->username ? cred->username : "",
3358 				  cred->domain ? cred->domain[0] : "",
3359 				  cred->imsi ? cred->imsi : "");
3360 		if (os_snprintf_error(end - pos, ret))
3361 			return pos - buf;
3362 		pos += ret;
3363 
3364 		cred = cred->next;
3365 	}
3366 
3367 	return pos - buf;
3368 }
3369 
3370 
wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3371 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3372 					      char *buf, size_t buflen)
3373 {
3374 	struct wpa_cred *cred;
3375 	int ret;
3376 
3377 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3378 
3379 	cred = wpa_config_add_cred(wpa_s->conf);
3380 	if (cred == NULL)
3381 		return -1;
3382 
3383 	wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3384 
3385 	ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3386 	if (os_snprintf_error(buflen, ret))
3387 		return -1;
3388 	return ret;
3389 }
3390 
3391 
wpas_ctrl_remove_cred(struct wpa_supplicant * wpa_s,struct wpa_cred * cred)3392 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3393 				 struct wpa_cred *cred)
3394 {
3395 	struct wpa_ssid *ssid;
3396 	char str[20];
3397 	int id;
3398 
3399 	if (cred == NULL) {
3400 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3401 		return -1;
3402 	}
3403 
3404 	id = cred->id;
3405 	if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3406 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3407 		return -1;
3408 	}
3409 
3410 	wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3411 
3412 	/* Remove any network entry created based on the removed credential */
3413 	ssid = wpa_s->conf->ssid;
3414 	while (ssid) {
3415 		if (ssid->parent_cred == cred) {
3416 			int res;
3417 
3418 			wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3419 				   "used the removed credential", ssid->id);
3420 			res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3421 			if (os_snprintf_error(sizeof(str), res))
3422 				str[sizeof(str) - 1] = '\0';
3423 			ssid = ssid->next;
3424 			wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3425 		} else
3426 			ssid = ssid->next;
3427 	}
3428 
3429 	return 0;
3430 }
3431 
3432 
wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant * wpa_s,char * cmd)3433 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3434 						 char *cmd)
3435 {
3436 	int id;
3437 	struct wpa_cred *cred, *prev;
3438 
3439 	/* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3440 	 * "provisioning_sp=<FQDN> */
3441 	if (os_strcmp(cmd, "all") == 0) {
3442 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3443 		cred = wpa_s->conf->cred;
3444 		while (cred) {
3445 			prev = cred;
3446 			cred = cred->next;
3447 			wpas_ctrl_remove_cred(wpa_s, prev);
3448 		}
3449 		return 0;
3450 	}
3451 
3452 	if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3453 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3454 			   cmd + 8);
3455 		cred = wpa_s->conf->cred;
3456 		while (cred) {
3457 			prev = cred;
3458 			cred = cred->next;
3459 			if (prev->domain) {
3460 				size_t i;
3461 				for (i = 0; i < prev->num_domain; i++) {
3462 					if (os_strcmp(prev->domain[i], cmd + 8)
3463 					    != 0)
3464 						continue;
3465 					wpas_ctrl_remove_cred(wpa_s, prev);
3466 					break;
3467 				}
3468 			}
3469 		}
3470 		return 0;
3471 	}
3472 
3473 	if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3474 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3475 			   cmd + 16);
3476 		cred = wpa_s->conf->cred;
3477 		while (cred) {
3478 			prev = cred;
3479 			cred = cred->next;
3480 			if (prev->provisioning_sp &&
3481 			    os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3482 				wpas_ctrl_remove_cred(wpa_s, prev);
3483 		}
3484 		return 0;
3485 	}
3486 
3487 	id = atoi(cmd);
3488 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3489 
3490 	cred = wpa_config_get_cred(wpa_s->conf, id);
3491 	return wpas_ctrl_remove_cred(wpa_s, cred);
3492 }
3493 
3494 
wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant * wpa_s,char * cmd)3495 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3496 					      char *cmd)
3497 {
3498 	int id;
3499 	struct wpa_cred *cred;
3500 	char *name, *value;
3501 
3502 	/* cmd: "<cred id> <variable name> <value>" */
3503 	name = os_strchr(cmd, ' ');
3504 	if (name == NULL)
3505 		return -1;
3506 	*name++ = '\0';
3507 
3508 	value = os_strchr(name, ' ');
3509 	if (value == NULL)
3510 		return -1;
3511 	*value++ = '\0';
3512 
3513 	id = atoi(cmd);
3514 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3515 		   id, name);
3516 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3517 			      (u8 *) value, os_strlen(value));
3518 
3519 	cred = wpa_config_get_cred(wpa_s->conf, id);
3520 	if (cred == NULL) {
3521 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3522 			   id);
3523 		return -1;
3524 	}
3525 
3526 	if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3527 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3528 			   "variable '%s'", name);
3529 		return -1;
3530 	}
3531 
3532 	wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3533 
3534 	return 0;
3535 }
3536 
3537 
wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3538 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3539 					      char *cmd, char *buf,
3540 					      size_t buflen)
3541 {
3542 	int id;
3543 	size_t res;
3544 	struct wpa_cred *cred;
3545 	char *name, *value;
3546 
3547 	/* cmd: "<cred id> <variable name>" */
3548 	name = os_strchr(cmd, ' ');
3549 	if (name == NULL)
3550 		return -1;
3551 	*name++ = '\0';
3552 
3553 	id = atoi(cmd);
3554 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3555 		   id, name);
3556 
3557 	cred = wpa_config_get_cred(wpa_s->conf, id);
3558 	if (cred == NULL) {
3559 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3560 			   id);
3561 		return -1;
3562 	}
3563 
3564 	value = wpa_config_get_cred_no_key(cred, name);
3565 	if (value == NULL) {
3566 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3567 			   name);
3568 		return -1;
3569 	}
3570 
3571 	res = os_strlcpy(buf, value, buflen);
3572 	if (res >= buflen) {
3573 		os_free(value);
3574 		return -1;
3575 	}
3576 
3577 	os_free(value);
3578 
3579 	return res;
3580 }
3581 
3582 
3583 #ifndef CONFIG_NO_CONFIG_WRITE
wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant * wpa_s)3584 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3585 {
3586 	int ret;
3587 
3588 	if (!wpa_s->conf->update_config) {
3589 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3590 			   "to update configuration (update_config=0)");
3591 		return -1;
3592 	}
3593 
3594 	ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3595 	if (ret) {
3596 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3597 			   "update configuration");
3598 	} else {
3599 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3600 			   " updated");
3601 	}
3602 
3603 	return ret;
3604 }
3605 #endif /* CONFIG_NO_CONFIG_WRITE */
3606 
3607 
3608 struct cipher_info {
3609 	unsigned int capa;
3610 	const char *name;
3611 	int group_only;
3612 };
3613 
3614 static const struct cipher_info ciphers[] = {
3615 	{ WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3616 	{ WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3617 	{ WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3618 	{ WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3619 	{ WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3620 	{ WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3621 	{ WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3622 	{ WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3623 };
3624 
3625 static const struct cipher_info ciphers_group_mgmt[] = {
3626 	{ WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3627 	{ WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3628 	{ WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3629 	{ WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3630 };
3631 
3632 
ctrl_iface_get_capability_pairwise(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3633 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3634 					      struct wpa_driver_capa *capa,
3635 					      char *buf, size_t buflen)
3636 {
3637 	int ret;
3638 	char *pos, *end;
3639 	size_t len;
3640 	unsigned int i;
3641 
3642 	pos = buf;
3643 	end = pos + buflen;
3644 
3645 	if (res < 0) {
3646 		if (strict)
3647 			return 0;
3648 		len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3649 		if (len >= buflen)
3650 			return -1;
3651 		return len;
3652 	}
3653 
3654 	for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3655 		if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3656 			ret = os_snprintf(pos, end - pos, "%s%s",
3657 					  pos == buf ? "" : " ",
3658 					  ciphers[i].name);
3659 			if (os_snprintf_error(end - pos, ret))
3660 				return pos - buf;
3661 			pos += ret;
3662 		}
3663 	}
3664 
3665 	return pos - buf;
3666 }
3667 
3668 
ctrl_iface_get_capability_group(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3669 static int ctrl_iface_get_capability_group(int res, char *strict,
3670 					   struct wpa_driver_capa *capa,
3671 					   char *buf, size_t buflen)
3672 {
3673 	int ret;
3674 	char *pos, *end;
3675 	size_t len;
3676 	unsigned int i;
3677 
3678 	pos = buf;
3679 	end = pos + buflen;
3680 
3681 	if (res < 0) {
3682 		if (strict)
3683 			return 0;
3684 		len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3685 		if (len >= buflen)
3686 			return -1;
3687 		return len;
3688 	}
3689 
3690 	for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3691 		if (capa->enc & ciphers[i].capa) {
3692 			ret = os_snprintf(pos, end - pos, "%s%s",
3693 					  pos == buf ? "" : " ",
3694 					  ciphers[i].name);
3695 			if (os_snprintf_error(end - pos, ret))
3696 				return pos - buf;
3697 			pos += ret;
3698 		}
3699 	}
3700 
3701 	return pos - buf;
3702 }
3703 
3704 
ctrl_iface_get_capability_group_mgmt(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3705 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3706 						struct wpa_driver_capa *capa,
3707 						char *buf, size_t buflen)
3708 {
3709 	int ret;
3710 	char *pos, *end;
3711 	unsigned int i;
3712 
3713 	pos = buf;
3714 	end = pos + buflen;
3715 
3716 	if (res < 0)
3717 		return 0;
3718 
3719 	for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3720 		if (capa->enc & ciphers_group_mgmt[i].capa) {
3721 			ret = os_snprintf(pos, end - pos, "%s%s",
3722 					  pos == buf ? "" : " ",
3723 					  ciphers_group_mgmt[i].name);
3724 			if (os_snprintf_error(end - pos, ret))
3725 				return pos - buf;
3726 			pos += ret;
3727 		}
3728 	}
3729 
3730 	return pos - buf;
3731 }
3732 
3733 
ctrl_iface_get_capability_key_mgmt(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3734 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3735 					      struct wpa_driver_capa *capa,
3736 					      char *buf, size_t buflen)
3737 {
3738 	int ret;
3739 	char *pos, *end;
3740 	size_t len;
3741 
3742 	pos = buf;
3743 	end = pos + buflen;
3744 
3745 	if (res < 0) {
3746 		if (strict)
3747 			return 0;
3748 		len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3749 				 "NONE", buflen);
3750 		if (len >= buflen)
3751 			return -1;
3752 		return len;
3753 	}
3754 
3755 	ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3756 	if (os_snprintf_error(end - pos, ret))
3757 		return pos - buf;
3758 	pos += ret;
3759 
3760 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3761 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3762 		ret = os_snprintf(pos, end - pos, " WPA-EAP");
3763 		if (os_snprintf_error(end - pos, ret))
3764 			return pos - buf;
3765 		pos += ret;
3766 	}
3767 
3768 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3769 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3770 		ret = os_snprintf(pos, end - pos, " WPA-PSK");
3771 		if (os_snprintf_error(end - pos, ret))
3772 			return pos - buf;
3773 		pos += ret;
3774 	}
3775 
3776 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3777 		ret = os_snprintf(pos, end - pos, " WPA-NONE");
3778 		if (os_snprintf_error(end - pos, ret))
3779 			return pos - buf;
3780 		pos += ret;
3781 	}
3782 
3783 #ifdef CONFIG_SUITEB
3784 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3785 		ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3786 		if (os_snprintf_error(end - pos, ret))
3787 			return pos - buf;
3788 		pos += ret;
3789 	}
3790 #endif /* CONFIG_SUITEB */
3791 #ifdef CONFIG_SUITEB192
3792 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3793 		ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3794 		if (os_snprintf_error(end - pos, ret))
3795 			return pos - buf;
3796 		pos += ret;
3797 	}
3798 #endif /* CONFIG_SUITEB192 */
3799 
3800 	return pos - buf;
3801 }
3802 
3803 
ctrl_iface_get_capability_proto(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3804 static int ctrl_iface_get_capability_proto(int res, char *strict,
3805 					   struct wpa_driver_capa *capa,
3806 					   char *buf, size_t buflen)
3807 {
3808 	int ret;
3809 	char *pos, *end;
3810 	size_t len;
3811 
3812 	pos = buf;
3813 	end = pos + buflen;
3814 
3815 	if (res < 0) {
3816 		if (strict)
3817 			return 0;
3818 		len = os_strlcpy(buf, "RSN WPA", buflen);
3819 		if (len >= buflen)
3820 			return -1;
3821 		return len;
3822 	}
3823 
3824 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
3825 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3826 		ret = os_snprintf(pos, end - pos, "%sRSN",
3827 				  pos == buf ? "" : " ");
3828 		if (os_snprintf_error(end - pos, ret))
3829 			return pos - buf;
3830 		pos += ret;
3831 	}
3832 
3833 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3834 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
3835 		ret = os_snprintf(pos, end - pos, "%sWPA",
3836 				  pos == buf ? "" : " ");
3837 		if (os_snprintf_error(end - pos, ret))
3838 			return pos - buf;
3839 		pos += ret;
3840 	}
3841 
3842 	return pos - buf;
3843 }
3844 
3845 
ctrl_iface_get_capability_auth_alg(struct wpa_supplicant * wpa_s,int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3846 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
3847 					      int res, char *strict,
3848 					      struct wpa_driver_capa *capa,
3849 					      char *buf, size_t buflen)
3850 {
3851 	int ret;
3852 	char *pos, *end;
3853 	size_t len;
3854 
3855 	pos = buf;
3856 	end = pos + buflen;
3857 
3858 	if (res < 0) {
3859 		if (strict)
3860 			return 0;
3861 		len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
3862 		if (len >= buflen)
3863 			return -1;
3864 		return len;
3865 	}
3866 
3867 	if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
3868 		ret = os_snprintf(pos, end - pos, "%sOPEN",
3869 				  pos == buf ? "" : " ");
3870 		if (os_snprintf_error(end - pos, ret))
3871 			return pos - buf;
3872 		pos += ret;
3873 	}
3874 
3875 	if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
3876 		ret = os_snprintf(pos, end - pos, "%sSHARED",
3877 				  pos == buf ? "" : " ");
3878 		if (os_snprintf_error(end - pos, ret))
3879 			return pos - buf;
3880 		pos += ret;
3881 	}
3882 
3883 	if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
3884 		ret = os_snprintf(pos, end - pos, "%sLEAP",
3885 				  pos == buf ? "" : " ");
3886 		if (os_snprintf_error(end - pos, ret))
3887 			return pos - buf;
3888 		pos += ret;
3889 	}
3890 
3891 #ifdef CONFIG_SAE
3892 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
3893 		ret = os_snprintf(pos, end - pos, "%sSAE",
3894 				  pos == buf ? "" : " ");
3895 		if (os_snprintf_error(end - pos, ret))
3896 			return pos - buf;
3897 		pos += ret;
3898 	}
3899 #endif /* CONFIG_SAE */
3900 
3901 	return pos - buf;
3902 }
3903 
3904 
ctrl_iface_get_capability_modes(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3905 static int ctrl_iface_get_capability_modes(int res, char *strict,
3906 					   struct wpa_driver_capa *capa,
3907 					   char *buf, size_t buflen)
3908 {
3909 	int ret;
3910 	char *pos, *end;
3911 	size_t len;
3912 
3913 	pos = buf;
3914 	end = pos + buflen;
3915 
3916 	if (res < 0) {
3917 		if (strict)
3918 			return 0;
3919 		len = os_strlcpy(buf, "IBSS AP", buflen);
3920 		if (len >= buflen)
3921 			return -1;
3922 		return len;
3923 	}
3924 
3925 	if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
3926 		ret = os_snprintf(pos, end - pos, "%sIBSS",
3927 				  pos == buf ? "" : " ");
3928 		if (os_snprintf_error(end - pos, ret))
3929 			return pos - buf;
3930 		pos += ret;
3931 	}
3932 
3933 	if (capa->flags & WPA_DRIVER_FLAGS_AP) {
3934 		ret = os_snprintf(pos, end - pos, "%sAP",
3935 				  pos == buf ? "" : " ");
3936 		if (os_snprintf_error(end - pos, ret))
3937 			return pos - buf;
3938 		pos += ret;
3939 	}
3940 
3941 #ifdef CONFIG_MESH
3942 	if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
3943 		ret = os_snprintf(pos, end - pos, "%sMESH",
3944 				  pos == buf ? "" : " ");
3945 		if (os_snprintf_error(end - pos, ret))
3946 			return pos - buf;
3947 		pos += ret;
3948 	}
3949 #endif /* CONFIG_MESH */
3950 
3951 	return pos - buf;
3952 }
3953 
3954 
ctrl_iface_get_capability_channels(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3955 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
3956 					      char *buf, size_t buflen)
3957 {
3958 	struct hostapd_channel_data *chnl;
3959 	int ret, i, j;
3960 	char *pos, *end, *hmode;
3961 
3962 	pos = buf;
3963 	end = pos + buflen;
3964 
3965 	for (j = 0; j < wpa_s->hw.num_modes; j++) {
3966 		switch (wpa_s->hw.modes[j].mode) {
3967 		case HOSTAPD_MODE_IEEE80211B:
3968 			hmode = "B";
3969 			break;
3970 		case HOSTAPD_MODE_IEEE80211G:
3971 			hmode = "G";
3972 			break;
3973 		case HOSTAPD_MODE_IEEE80211A:
3974 			hmode = "A";
3975 			break;
3976 		case HOSTAPD_MODE_IEEE80211AD:
3977 			hmode = "AD";
3978 			break;
3979 		default:
3980 			continue;
3981 		}
3982 		ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
3983 		if (os_snprintf_error(end - pos, ret))
3984 			return pos - buf;
3985 		pos += ret;
3986 		chnl = wpa_s->hw.modes[j].channels;
3987 		for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3988 			if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3989 				continue;
3990 			ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3991 			if (os_snprintf_error(end - pos, ret))
3992 				return pos - buf;
3993 			pos += ret;
3994 		}
3995 		ret = os_snprintf(pos, end - pos, "\n");
3996 		if (os_snprintf_error(end - pos, ret))
3997 			return pos - buf;
3998 		pos += ret;
3999 	}
4000 
4001 	return pos - buf;
4002 }
4003 
4004 
ctrl_iface_get_capability_freq(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)4005 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
4006 					  char *buf, size_t buflen)
4007 {
4008 	struct hostapd_channel_data *chnl;
4009 	int ret, i, j;
4010 	char *pos, *end, *hmode;
4011 
4012 	pos = buf;
4013 	end = pos + buflen;
4014 
4015 	for (j = 0; j < wpa_s->hw.num_modes; j++) {
4016 		switch (wpa_s->hw.modes[j].mode) {
4017 		case HOSTAPD_MODE_IEEE80211B:
4018 			hmode = "B";
4019 			break;
4020 		case HOSTAPD_MODE_IEEE80211G:
4021 			hmode = "G";
4022 			break;
4023 		case HOSTAPD_MODE_IEEE80211A:
4024 			hmode = "A";
4025 			break;
4026 		case HOSTAPD_MODE_IEEE80211AD:
4027 			hmode = "AD";
4028 			break;
4029 		default:
4030 			continue;
4031 		}
4032 		ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
4033 				  hmode);
4034 		if (os_snprintf_error(end - pos, ret))
4035 			return pos - buf;
4036 		pos += ret;
4037 		chnl = wpa_s->hw.modes[j].channels;
4038 		for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
4039 			if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
4040 				continue;
4041 			ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
4042 					  chnl[i].chan, chnl[i].freq,
4043 					  chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
4044 					  " (NO_IR)" : "",
4045 					  chnl[i].flag & HOSTAPD_CHAN_RADAR ?
4046 					  " (DFS)" : "");
4047 
4048 			if (os_snprintf_error(end - pos, ret))
4049 				return pos - buf;
4050 			pos += ret;
4051 		}
4052 		ret = os_snprintf(pos, end - pos, "\n");
4053 		if (os_snprintf_error(end - pos, ret))
4054 			return pos - buf;
4055 		pos += ret;
4056 	}
4057 
4058 	return pos - buf;
4059 }
4060 
4061 
wpa_supplicant_ctrl_iface_get_capability(struct wpa_supplicant * wpa_s,const char * _field,char * buf,size_t buflen)4062 static int wpa_supplicant_ctrl_iface_get_capability(
4063 	struct wpa_supplicant *wpa_s, const char *_field, char *buf,
4064 	size_t buflen)
4065 {
4066 	struct wpa_driver_capa capa;
4067 	int res;
4068 	char *strict;
4069 	char field[30];
4070 	size_t len;
4071 
4072 	/* Determine whether or not strict checking was requested */
4073 	len = os_strlcpy(field, _field, sizeof(field));
4074 	if (len >= sizeof(field))
4075 		return -1;
4076 	strict = os_strchr(field, ' ');
4077 	if (strict != NULL) {
4078 		*strict++ = '\0';
4079 		if (os_strcmp(strict, "strict") != 0)
4080 			return -1;
4081 	}
4082 
4083 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
4084 		field, strict ? strict : "");
4085 
4086 	if (os_strcmp(field, "eap") == 0) {
4087 		return eap_get_names(buf, buflen);
4088 	}
4089 
4090 	res = wpa_drv_get_capa(wpa_s, &capa);
4091 
4092 	if (os_strcmp(field, "pairwise") == 0)
4093 		return ctrl_iface_get_capability_pairwise(res, strict, &capa,
4094 							  buf, buflen);
4095 
4096 	if (os_strcmp(field, "group") == 0)
4097 		return ctrl_iface_get_capability_group(res, strict, &capa,
4098 						       buf, buflen);
4099 
4100 	if (os_strcmp(field, "group_mgmt") == 0)
4101 		return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
4102 							    buf, buflen);
4103 
4104 	if (os_strcmp(field, "key_mgmt") == 0)
4105 		return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
4106 							  buf, buflen);
4107 
4108 	if (os_strcmp(field, "proto") == 0)
4109 		return ctrl_iface_get_capability_proto(res, strict, &capa,
4110 						       buf, buflen);
4111 
4112 	if (os_strcmp(field, "auth_alg") == 0)
4113 		return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
4114 							  &capa, buf, buflen);
4115 
4116 	if (os_strcmp(field, "modes") == 0)
4117 		return ctrl_iface_get_capability_modes(res, strict, &capa,
4118 						       buf, buflen);
4119 
4120 	if (os_strcmp(field, "channels") == 0)
4121 		return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
4122 
4123 	if (os_strcmp(field, "freq") == 0)
4124 		return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
4125 
4126 #ifdef CONFIG_TDLS
4127 	if (os_strcmp(field, "tdls") == 0)
4128 		return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
4129 #endif /* CONFIG_TDLS */
4130 
4131 #ifdef CONFIG_ERP
4132 	if (os_strcmp(field, "erp") == 0) {
4133 		res = os_snprintf(buf, buflen, "ERP");
4134 		if (os_snprintf_error(buflen, res))
4135 			return -1;
4136 		return res;
4137 	}
4138 #endif /* CONFIG_EPR */
4139 
4140 #ifdef CONFIG_FIPS
4141 	if (os_strcmp(field, "fips") == 0) {
4142 		res = os_snprintf(buf, buflen, "FIPS");
4143 		if (os_snprintf_error(buflen, res))
4144 			return -1;
4145 		return res;
4146 	}
4147 #endif /* CONFIG_FIPS */
4148 
4149 #ifdef CONFIG_ACS
4150 	if (os_strcmp(field, "acs") == 0) {
4151 		res = os_snprintf(buf, buflen, "ACS");
4152 		if (os_snprintf_error(buflen, res))
4153 			return -1;
4154 		return res;
4155 	}
4156 #endif /* CONFIG_ACS */
4157 
4158 #ifdef CONFIG_FILS
4159 	if (os_strcmp(field, "fils") == 0 &&
4160 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SUPPORT_FILS)) {
4161 		res = os_snprintf(buf, buflen, "FILS");
4162 		if (os_snprintf_error(buflen, res))
4163 			return -1;
4164 		return res;
4165 	}
4166 #endif /* CONFIG_FILS */
4167 
4168 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
4169 		   field);
4170 
4171 	return -1;
4172 }
4173 
4174 
4175 #ifdef CONFIG_INTERWORKING
anqp_add_hex(char * pos,char * end,const char * title,struct wpabuf * data)4176 static char * anqp_add_hex(char *pos, char *end, const char *title,
4177 			   struct wpabuf *data)
4178 {
4179 	char *start = pos;
4180 	size_t i;
4181 	int ret;
4182 	const u8 *d;
4183 
4184 	if (data == NULL)
4185 		return start;
4186 
4187 	ret = os_snprintf(pos, end - pos, "%s=", title);
4188 	if (os_snprintf_error(end - pos, ret))
4189 		return start;
4190 	pos += ret;
4191 
4192 	d = wpabuf_head_u8(data);
4193 	for (i = 0; i < wpabuf_len(data); i++) {
4194 		ret = os_snprintf(pos, end - pos, "%02x", *d++);
4195 		if (os_snprintf_error(end - pos, ret))
4196 			return start;
4197 		pos += ret;
4198 	}
4199 
4200 	ret = os_snprintf(pos, end - pos, "\n");
4201 	if (os_snprintf_error(end - pos, ret))
4202 		return start;
4203 	pos += ret;
4204 
4205 	return pos;
4206 }
4207 #endif /* CONFIG_INTERWORKING */
4208 
4209 
4210 #ifdef CONFIG_FILS
print_fils_indication(struct wpa_bss * bss,char * pos,char * end)4211 static int print_fils_indication(struct wpa_bss *bss, char *pos, char *end)
4212 {
4213 	char *start = pos;
4214 	const u8 *ie, *ie_end;
4215 	u16 info, realms;
4216 	int ret;
4217 
4218 	ie = wpa_bss_get_ie(bss, WLAN_EID_FILS_INDICATION);
4219 	if (!ie)
4220 		return 0;
4221 	ie_end = ie + 2 + ie[1];
4222 	ie += 2;
4223 	if (ie_end - ie < 2)
4224 		return -1;
4225 
4226 	info = WPA_GET_LE16(ie);
4227 	ie += 2;
4228 	ret = os_snprintf(pos, end - pos, "fils_info=%04x\n", info);
4229 	if (os_snprintf_error(end - pos, ret))
4230 		return 0;
4231 	pos += ret;
4232 
4233 	if (info & BIT(7)) {
4234 		/* Cache Identifier Included */
4235 		if (ie_end - ie < 2)
4236 			return -1;
4237 		ret = os_snprintf(pos, end - pos, "fils_cache_id=%02x%02x\n",
4238 				  ie[0], ie[1]);
4239 		if (os_snprintf_error(end - pos, ret))
4240 			return 0;
4241 		pos += ret;
4242 		ie += 2;
4243 	}
4244 
4245 	if (info & BIT(8)) {
4246 		/* HESSID Included */
4247 		if (ie_end - ie < ETH_ALEN)
4248 			return -1;
4249 		ret = os_snprintf(pos, end - pos, "fils_hessid=" MACSTR "\n",
4250 				  MAC2STR(ie));
4251 		if (os_snprintf_error(end - pos, ret))
4252 			return 0;
4253 		pos += ret;
4254 		ie += ETH_ALEN;
4255 	}
4256 
4257 	realms = (info & (BIT(3) | BIT(4) | BIT(5))) >> 3;
4258 	if (realms) {
4259 		if (ie_end - ie < realms * 2)
4260 			return -1;
4261 		ret = os_snprintf(pos, end - pos, "fils_realms=");
4262 		if (os_snprintf_error(end - pos, ret))
4263 			return 0;
4264 		pos += ret;
4265 
4266 		ret = wpa_snprintf_hex(pos, end - pos, ie, realms * 2);
4267 		if (ret <= 0)
4268 			return 0;
4269 		pos += ret;
4270 		ie += realms * 2;
4271 		ret = os_snprintf(pos, end - pos, "\n");
4272 		if (os_snprintf_error(end - pos, ret))
4273 			return 0;
4274 		pos += ret;
4275 	}
4276 
4277 	return pos - start;
4278 }
4279 #endif /* CONFIG_FILS */
4280 
4281 
print_bss_info(struct wpa_supplicant * wpa_s,struct wpa_bss * bss,unsigned long mask,char * buf,size_t buflen)4282 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4283 			  unsigned long mask, char *buf, size_t buflen)
4284 {
4285 	size_t i;
4286 	int ret;
4287 	char *pos, *end;
4288 	const u8 *ie, *ie2, *osen_ie, *mesh;
4289 
4290 	pos = buf;
4291 	end = buf + buflen;
4292 
4293 	if (mask & WPA_BSS_MASK_ID) {
4294 		ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4295 		if (os_snprintf_error(end - pos, ret))
4296 			return 0;
4297 		pos += ret;
4298 	}
4299 
4300 	if (mask & WPA_BSS_MASK_BSSID) {
4301 		ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4302 				  MAC2STR(bss->bssid));
4303 		if (os_snprintf_error(end - pos, ret))
4304 			return 0;
4305 		pos += ret;
4306 	}
4307 
4308 	if (mask & WPA_BSS_MASK_FREQ) {
4309 		ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4310 		if (os_snprintf_error(end - pos, ret))
4311 			return 0;
4312 		pos += ret;
4313 	}
4314 
4315 	if (mask & WPA_BSS_MASK_BEACON_INT) {
4316 		ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4317 				  bss->beacon_int);
4318 		if (os_snprintf_error(end - pos, ret))
4319 			return 0;
4320 		pos += ret;
4321 	}
4322 
4323 	if (mask & WPA_BSS_MASK_CAPABILITIES) {
4324 		ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4325 				  bss->caps);
4326 		if (os_snprintf_error(end - pos, ret))
4327 			return 0;
4328 		pos += ret;
4329 	}
4330 
4331 	if (mask & WPA_BSS_MASK_QUAL) {
4332 		ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4333 		if (os_snprintf_error(end - pos, ret))
4334 			return 0;
4335 		pos += ret;
4336 	}
4337 
4338 	if (mask & WPA_BSS_MASK_NOISE) {
4339 		ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4340 		if (os_snprintf_error(end - pos, ret))
4341 			return 0;
4342 		pos += ret;
4343 	}
4344 
4345 	if (mask & WPA_BSS_MASK_LEVEL) {
4346 		ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4347 		if (os_snprintf_error(end - pos, ret))
4348 			return 0;
4349 		pos += ret;
4350 	}
4351 
4352 	if (mask & WPA_BSS_MASK_TSF) {
4353 		ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4354 				  (unsigned long long) bss->tsf);
4355 		if (os_snprintf_error(end - pos, ret))
4356 			return 0;
4357 		pos += ret;
4358 	}
4359 
4360 	if (mask & WPA_BSS_MASK_AGE) {
4361 		struct os_reltime now;
4362 
4363 		os_get_reltime(&now);
4364 		ret = os_snprintf(pos, end - pos, "age=%d\n",
4365 				  (int) (now.sec - bss->last_update.sec));
4366 		if (os_snprintf_error(end - pos, ret))
4367 			return 0;
4368 		pos += ret;
4369 	}
4370 
4371 	if (mask & WPA_BSS_MASK_IE) {
4372 		ret = os_snprintf(pos, end - pos, "ie=");
4373 		if (os_snprintf_error(end - pos, ret))
4374 			return 0;
4375 		pos += ret;
4376 
4377 		ie = (const u8 *) (bss + 1);
4378 		for (i = 0; i < bss->ie_len; i++) {
4379 			ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4380 			if (os_snprintf_error(end - pos, ret))
4381 				return 0;
4382 			pos += ret;
4383 		}
4384 
4385 		ret = os_snprintf(pos, end - pos, "\n");
4386 		if (os_snprintf_error(end - pos, ret))
4387 			return 0;
4388 		pos += ret;
4389 	}
4390 
4391 	if (mask & WPA_BSS_MASK_FLAGS) {
4392 		ret = os_snprintf(pos, end - pos, "flags=");
4393 		if (os_snprintf_error(end - pos, ret))
4394 			return 0;
4395 		pos += ret;
4396 
4397 		mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
4398 
4399 		ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4400 		if (ie)
4401 			pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4402 						    2 + ie[1]);
4403 		ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4404 		if (ie2)
4405 			pos = wpa_supplicant_ie_txt(pos, end,
4406 						    mesh ? "RSN" : "WPA2", ie2,
4407 						    2 + ie2[1]);
4408 		osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4409 		if (osen_ie)
4410 			pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4411 						    osen_ie, 2 + osen_ie[1]);
4412 		pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4413 		if (!ie && !ie2 && !osen_ie &&
4414 		    (bss->caps & IEEE80211_CAP_PRIVACY)) {
4415 			ret = os_snprintf(pos, end - pos, "[WEP]");
4416 			if (os_snprintf_error(end - pos, ret))
4417 				return 0;
4418 			pos += ret;
4419 		}
4420 
4421 		if (mesh) {
4422 			ret = os_snprintf(pos, end - pos, "[MESH]");
4423 			if (os_snprintf_error(end - pos, ret))
4424 				return 0;
4425 			pos += ret;
4426 		}
4427 
4428 		if (bss_is_dmg(bss)) {
4429 			const char *s;
4430 			ret = os_snprintf(pos, end - pos, "[DMG]");
4431 			if (os_snprintf_error(end - pos, ret))
4432 				return 0;
4433 			pos += ret;
4434 			switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4435 			case IEEE80211_CAP_DMG_IBSS:
4436 				s = "[IBSS]";
4437 				break;
4438 			case IEEE80211_CAP_DMG_AP:
4439 				s = "[ESS]";
4440 				break;
4441 			case IEEE80211_CAP_DMG_PBSS:
4442 				s = "[PBSS]";
4443 				break;
4444 			default:
4445 				s = "";
4446 				break;
4447 			}
4448 			ret = os_snprintf(pos, end - pos, "%s", s);
4449 			if (os_snprintf_error(end - pos, ret))
4450 				return 0;
4451 			pos += ret;
4452 		} else {
4453 			if (bss->caps & IEEE80211_CAP_IBSS) {
4454 				ret = os_snprintf(pos, end - pos, "[IBSS]");
4455 				if (os_snprintf_error(end - pos, ret))
4456 					return 0;
4457 				pos += ret;
4458 			}
4459 			if (bss->caps & IEEE80211_CAP_ESS) {
4460 				ret = os_snprintf(pos, end - pos, "[ESS]");
4461 				if (os_snprintf_error(end - pos, ret))
4462 					return 0;
4463 				pos += ret;
4464 			}
4465 		}
4466 		if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4467 		    wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4468 			ret = os_snprintf(pos, end - pos, "[P2P]");
4469 			if (os_snprintf_error(end - pos, ret))
4470 				return 0;
4471 			pos += ret;
4472 		}
4473 #ifdef CONFIG_HS20
4474 		if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4475 			ret = os_snprintf(pos, end - pos, "[HS20]");
4476 			if (os_snprintf_error(end - pos, ret))
4477 				return 0;
4478 			pos += ret;
4479 		}
4480 #endif /* CONFIG_HS20 */
4481 #ifdef CONFIG_FILS
4482 		if (wpa_bss_get_ie(bss, WLAN_EID_FILS_INDICATION)) {
4483 			ret = os_snprintf(pos, end - pos, "[FILS]");
4484 			if (os_snprintf_error(end - pos, ret))
4485 				return 0;
4486 			pos += ret;
4487 		}
4488 #endif /* CONFIG_FILS */
4489 
4490 		ret = os_snprintf(pos, end - pos, "\n");
4491 		if (os_snprintf_error(end - pos, ret))
4492 			return 0;
4493 		pos += ret;
4494 	}
4495 
4496 	if (mask & WPA_BSS_MASK_SSID) {
4497 		ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4498 				  wpa_ssid_txt(bss->ssid, bss->ssid_len));
4499 		if (os_snprintf_error(end - pos, ret))
4500 			return 0;
4501 		pos += ret;
4502 	}
4503 
4504 #ifdef CONFIG_WPS
4505 	if (mask & WPA_BSS_MASK_WPS_SCAN) {
4506 		ie = (const u8 *) (bss + 1);
4507 		ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4508 		if (ret >= end - pos)
4509 			return 0;
4510 		if (ret > 0)
4511 			pos += ret;
4512 	}
4513 #endif /* CONFIG_WPS */
4514 
4515 #ifdef CONFIG_P2P
4516 	if (mask & WPA_BSS_MASK_P2P_SCAN) {
4517 		ie = (const u8 *) (bss + 1);
4518 		ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4519 		if (ret >= end - pos)
4520 			return 0;
4521 		if (ret > 0)
4522 			pos += ret;
4523 	}
4524 #endif /* CONFIG_P2P */
4525 
4526 #ifdef CONFIG_WIFI_DISPLAY
4527 	if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4528 		struct wpabuf *wfd;
4529 		ie = (const u8 *) (bss + 1);
4530 		wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4531 						  WFD_IE_VENDOR_TYPE);
4532 		if (wfd) {
4533 			ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4534 			if (os_snprintf_error(end - pos, ret)) {
4535 				wpabuf_free(wfd);
4536 				return 0;
4537 			}
4538 			pos += ret;
4539 
4540 			pos += wpa_snprintf_hex(pos, end - pos,
4541 						wpabuf_head(wfd),
4542 						wpabuf_len(wfd));
4543 			wpabuf_free(wfd);
4544 
4545 			ret = os_snprintf(pos, end - pos, "\n");
4546 			if (os_snprintf_error(end - pos, ret))
4547 				return 0;
4548 			pos += ret;
4549 		}
4550 	}
4551 #endif /* CONFIG_WIFI_DISPLAY */
4552 
4553 #ifdef CONFIG_INTERWORKING
4554 	if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4555 		struct wpa_bss_anqp *anqp = bss->anqp;
4556 		struct wpa_bss_anqp_elem *elem;
4557 
4558 		pos = anqp_add_hex(pos, end, "anqp_capability_list",
4559 				   anqp->capability_list);
4560 		pos = anqp_add_hex(pos, end, "anqp_venue_name",
4561 				   anqp->venue_name);
4562 		pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4563 				   anqp->network_auth_type);
4564 		pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4565 				   anqp->roaming_consortium);
4566 		pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4567 				   anqp->ip_addr_type_availability);
4568 		pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4569 				   anqp->nai_realm);
4570 		pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4571 		pos = anqp_add_hex(pos, end, "anqp_domain_name",
4572 				   anqp->domain_name);
4573 		pos = anqp_add_hex(pos, end, "anqp_fils_realm_info",
4574 				   anqp->fils_realm_info);
4575 #ifdef CONFIG_HS20
4576 		pos = anqp_add_hex(pos, end, "hs20_capability_list",
4577 				   anqp->hs20_capability_list);
4578 		pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4579 				   anqp->hs20_operator_friendly_name);
4580 		pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4581 				   anqp->hs20_wan_metrics);
4582 		pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4583 				   anqp->hs20_connection_capability);
4584 		pos = anqp_add_hex(pos, end, "hs20_operating_class",
4585 				   anqp->hs20_operating_class);
4586 		pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4587 				   anqp->hs20_osu_providers_list);
4588 #endif /* CONFIG_HS20 */
4589 
4590 		dl_list_for_each(elem, &anqp->anqp_elems,
4591 				 struct wpa_bss_anqp_elem, list) {
4592 			char title[20];
4593 
4594 			os_snprintf(title, sizeof(title), "anqp[%u]",
4595 				    elem->infoid);
4596 			pos = anqp_add_hex(pos, end, title, elem->payload);
4597 		}
4598 	}
4599 #endif /* CONFIG_INTERWORKING */
4600 
4601 #ifdef CONFIG_MESH
4602 	if (mask & WPA_BSS_MASK_MESH_SCAN) {
4603 		ie = (const u8 *) (bss + 1);
4604 		ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4605 		if (ret >= end - pos)
4606 			return 0;
4607 		if (ret > 0)
4608 			pos += ret;
4609 	}
4610 #endif /* CONFIG_MESH */
4611 
4612 	if (mask & WPA_BSS_MASK_SNR) {
4613 		ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4614 		if (os_snprintf_error(end - pos, ret))
4615 			return 0;
4616 		pos += ret;
4617 	}
4618 
4619 	if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4620 		ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4621 				  bss->est_throughput);
4622 		if (os_snprintf_error(end - pos, ret))
4623 			return 0;
4624 		pos += ret;
4625 	}
4626 
4627 #ifdef CONFIG_FST
4628 	if (mask & WPA_BSS_MASK_FST) {
4629 		ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4630 		if (ret < 0 || ret >= end - pos)
4631 			return 0;
4632 		pos += ret;
4633 	}
4634 #endif /* CONFIG_FST */
4635 
4636 	if (mask & WPA_BSS_MASK_UPDATE_IDX) {
4637 		ret = os_snprintf(pos, end - pos, "update_idx=%u\n",
4638 				  bss->last_update_idx);
4639 		if (os_snprintf_error(end - pos, ret))
4640 			return 0;
4641 		pos += ret;
4642 	}
4643 
4644 	if ((mask & WPA_BSS_MASK_BEACON_IE) && bss->beacon_ie_len) {
4645 		ret = os_snprintf(pos, end - pos, "beacon_ie=");
4646 		if (os_snprintf_error(end - pos, ret))
4647 			return 0;
4648 		pos += ret;
4649 
4650 		ie = (const u8 *) (bss + 1);
4651 		ie += bss->ie_len;
4652 		for (i = 0; i < bss->beacon_ie_len; i++) {
4653 			ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4654 			if (os_snprintf_error(end - pos, ret))
4655 				return 0;
4656 			pos += ret;
4657 		}
4658 
4659 		ret = os_snprintf(pos, end - pos, "\n");
4660 		if (os_snprintf_error(end - pos, ret))
4661 			return 0;
4662 		pos += ret;
4663 	}
4664 
4665 #ifdef CONFIG_FILS
4666 	if (mask & WPA_BSS_MASK_FILS_INDICATION) {
4667 		ret = print_fils_indication(bss, pos, end);
4668 		if (ret < 0)
4669 			return 0;
4670 		pos += ret;
4671 	}
4672 #endif /* CONFIG_FILS */
4673 
4674 	if (mask & WPA_BSS_MASK_DELIM) {
4675 		ret = os_snprintf(pos, end - pos, "====\n");
4676 		if (os_snprintf_error(end - pos, ret))
4677 			return 0;
4678 		pos += ret;
4679 	}
4680 
4681 	return pos - buf;
4682 }
4683 
4684 
wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)4685 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
4686 					 const char *cmd, char *buf,
4687 					 size_t buflen)
4688 {
4689 	u8 bssid[ETH_ALEN];
4690 	size_t i;
4691 	struct wpa_bss *bss;
4692 	struct wpa_bss *bsslast = NULL;
4693 	struct dl_list *next;
4694 	int ret = 0;
4695 	int len;
4696 	char *ctmp, *end = buf + buflen;
4697 	unsigned long mask = WPA_BSS_MASK_ALL;
4698 
4699 	if (os_strncmp(cmd, "RANGE=", 6) == 0) {
4700 		if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
4701 			bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
4702 					    list_id);
4703 			bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
4704 					       list_id);
4705 		} else { /* N1-N2 */
4706 			unsigned int id1, id2;
4707 
4708 			if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
4709 				wpa_printf(MSG_INFO, "Wrong BSS range "
4710 					   "format");
4711 				return 0;
4712 			}
4713 
4714 			if (*(cmd + 6) == '-')
4715 				id1 = 0;
4716 			else
4717 				id1 = atoi(cmd + 6);
4718 			ctmp++;
4719 			if (*ctmp >= '0' && *ctmp <= '9')
4720 				id2 = atoi(ctmp);
4721 			else
4722 				id2 = (unsigned int) -1;
4723 			bss = wpa_bss_get_id_range(wpa_s, id1, id2);
4724 			if (id2 == (unsigned int) -1)
4725 				bsslast = dl_list_last(&wpa_s->bss_id,
4726 						       struct wpa_bss,
4727 						       list_id);
4728 			else {
4729 				bsslast = wpa_bss_get_id(wpa_s, id2);
4730 				if (bsslast == NULL && bss && id2 > id1) {
4731 					struct wpa_bss *tmp = bss;
4732 					for (;;) {
4733 						next = tmp->list_id.next;
4734 						if (next == &wpa_s->bss_id)
4735 							break;
4736 						tmp = dl_list_entry(
4737 							next, struct wpa_bss,
4738 							list_id);
4739 						if (tmp->id > id2)
4740 							break;
4741 						bsslast = tmp;
4742 					}
4743 				}
4744 			}
4745 		}
4746 	} else if (os_strncmp(cmd, "FIRST", 5) == 0)
4747 		bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
4748 	else if (os_strncmp(cmd, "LAST", 4) == 0)
4749 		bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
4750 	else if (os_strncmp(cmd, "ID-", 3) == 0) {
4751 		i = atoi(cmd + 3);
4752 		bss = wpa_bss_get_id(wpa_s, i);
4753 	} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4754 		i = atoi(cmd + 5);
4755 		bss = wpa_bss_get_id(wpa_s, i);
4756 		if (bss) {
4757 			next = bss->list_id.next;
4758 			if (next == &wpa_s->bss_id)
4759 				bss = NULL;
4760 			else
4761 				bss = dl_list_entry(next, struct wpa_bss,
4762 						    list_id);
4763 		}
4764 	} else if (os_strncmp(cmd, "CURRENT", 7) == 0) {
4765 		bss = wpa_s->current_bss;
4766 #ifdef CONFIG_P2P
4767 	} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
4768 		if (hwaddr_aton(cmd + 13, bssid) == 0)
4769 			bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
4770 		else
4771 			bss = NULL;
4772 #endif /* CONFIG_P2P */
4773 	} else if (hwaddr_aton(cmd, bssid) == 0)
4774 		bss = wpa_bss_get_bssid(wpa_s, bssid);
4775 	else {
4776 		struct wpa_bss *tmp;
4777 		i = atoi(cmd);
4778 		bss = NULL;
4779 		dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
4780 		{
4781 			if (i-- == 0) {
4782 				bss = tmp;
4783 				break;
4784 			}
4785 		}
4786 	}
4787 
4788 	if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
4789 		mask = strtoul(ctmp + 5, NULL, 0x10);
4790 		if (mask == 0)
4791 			mask = WPA_BSS_MASK_ALL;
4792 	}
4793 
4794 	if (bss == NULL)
4795 		return 0;
4796 
4797 	if (bsslast == NULL)
4798 		bsslast = bss;
4799 	do {
4800 		len = print_bss_info(wpa_s, bss, mask, buf, buflen);
4801 		ret += len;
4802 		buf += len;
4803 		buflen -= len;
4804 		if (bss == bsslast) {
4805 			if ((mask & WPA_BSS_MASK_DELIM) && len &&
4806 			    (bss == dl_list_last(&wpa_s->bss_id,
4807 						 struct wpa_bss, list_id))) {
4808 				int res;
4809 
4810 				res = os_snprintf(buf - 5, end - buf + 5,
4811 						  "####\n");
4812 				if (os_snprintf_error(end - buf + 5, res)) {
4813 					wpa_printf(MSG_DEBUG,
4814 						   "Could not add end delim");
4815 				}
4816 			}
4817 			break;
4818 		}
4819 		next = bss->list_id.next;
4820 		if (next == &wpa_s->bss_id)
4821 			break;
4822 		bss = dl_list_entry(next, struct wpa_bss, list_id);
4823 	} while (bss && len);
4824 
4825 	return ret;
4826 }
4827 
4828 
wpa_supplicant_ctrl_iface_ap_scan(struct wpa_supplicant * wpa_s,char * cmd)4829 static int wpa_supplicant_ctrl_iface_ap_scan(
4830 	struct wpa_supplicant *wpa_s, char *cmd)
4831 {
4832 	int ap_scan = atoi(cmd);
4833 	return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
4834 }
4835 
4836 
wpa_supplicant_ctrl_iface_scan_interval(struct wpa_supplicant * wpa_s,char * cmd)4837 static int wpa_supplicant_ctrl_iface_scan_interval(
4838 	struct wpa_supplicant *wpa_s, char *cmd)
4839 {
4840 	int scan_int = atoi(cmd);
4841 	return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
4842 }
4843 
4844 
wpa_supplicant_ctrl_iface_bss_expire_age(struct wpa_supplicant * wpa_s,char * cmd)4845 static int wpa_supplicant_ctrl_iface_bss_expire_age(
4846 	struct wpa_supplicant *wpa_s, char *cmd)
4847 {
4848 	int expire_age = atoi(cmd);
4849 	return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
4850 }
4851 
4852 
wpa_supplicant_ctrl_iface_bss_expire_count(struct wpa_supplicant * wpa_s,char * cmd)4853 static int wpa_supplicant_ctrl_iface_bss_expire_count(
4854 	struct wpa_supplicant *wpa_s, char *cmd)
4855 {
4856 	int expire_count = atoi(cmd);
4857 	return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
4858 }
4859 
4860 
wpa_supplicant_ctrl_iface_bss_flush(struct wpa_supplicant * wpa_s,char * cmd)4861 static void wpa_supplicant_ctrl_iface_bss_flush(
4862 	struct wpa_supplicant *wpa_s, char *cmd)
4863 {
4864 	int flush_age = atoi(cmd);
4865 
4866 	if (flush_age == 0)
4867 		wpa_bss_flush(wpa_s);
4868 	else
4869 		wpa_bss_flush_by_age(wpa_s, flush_age);
4870 }
4871 
4872 
4873 #ifdef CONFIG_TESTING_OPTIONS
wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant * wpa_s)4874 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
4875 {
4876 	wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
4877 	/* MLME-DELETEKEYS.request */
4878 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
4879 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
4880 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
4881 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
4882 #ifdef CONFIG_IEEE80211W
4883 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
4884 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
4885 #endif /* CONFIG_IEEE80211W */
4886 
4887 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
4888 			0);
4889 	/* MLME-SETPROTECTION.request(None) */
4890 	wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
4891 				   MLME_SETPROTECTION_PROTECT_TYPE_NONE,
4892 				   MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
4893 	wpa_sm_drop_sa(wpa_s->wpa);
4894 }
4895 #endif /* CONFIG_TESTING_OPTIONS */
4896 
4897 
wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant * wpa_s,char * addr)4898 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
4899 					  char *addr)
4900 {
4901 #ifdef CONFIG_NO_SCAN_PROCESSING
4902 	return -1;
4903 #else /* CONFIG_NO_SCAN_PROCESSING */
4904 	u8 bssid[ETH_ALEN];
4905 	struct wpa_bss *bss;
4906 	struct wpa_ssid *ssid = wpa_s->current_ssid;
4907 
4908 	if (hwaddr_aton(addr, bssid)) {
4909 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
4910 			   "address '%s'", addr);
4911 		return -1;
4912 	}
4913 
4914 	wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
4915 
4916 	if (!ssid) {
4917 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
4918 			   "configuration known for the target AP");
4919 		return -1;
4920 	}
4921 
4922 	bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
4923 	if (!bss) {
4924 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
4925 			   "from BSS table");
4926 		return -1;
4927 	}
4928 
4929 	/*
4930 	 * TODO: Find best network configuration block from configuration to
4931 	 * allow roaming to other networks
4932 	 */
4933 
4934 	wpa_s->reassociate = 1;
4935 	wpa_supplicant_connect(wpa_s, bss, ssid);
4936 
4937 	return 0;
4938 #endif /* CONFIG_NO_SCAN_PROCESSING */
4939 }
4940 
4941 
4942 #ifdef CONFIG_P2P
p2p_ctrl_find(struct wpa_supplicant * wpa_s,char * cmd)4943 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
4944 {
4945 	unsigned int timeout = atoi(cmd);
4946 	enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
4947 	u8 dev_id[ETH_ALEN], *_dev_id = NULL;
4948 	u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
4949 	char *pos;
4950 	unsigned int search_delay;
4951 	const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
4952 	u8 seek_count = 0;
4953 	int freq = 0;
4954 
4955 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
4956 		wpa_dbg(wpa_s, MSG_INFO,
4957 			"Reject P2P_FIND since interface is disabled");
4958 		return -1;
4959 	}
4960 	if (os_strstr(cmd, "type=social"))
4961 		type = P2P_FIND_ONLY_SOCIAL;
4962 	else if (os_strstr(cmd, "type=progressive"))
4963 		type = P2P_FIND_PROGRESSIVE;
4964 
4965 	pos = os_strstr(cmd, "dev_id=");
4966 	if (pos) {
4967 		pos += 7;
4968 		if (hwaddr_aton(pos, dev_id))
4969 			return -1;
4970 		_dev_id = dev_id;
4971 	}
4972 
4973 	pos = os_strstr(cmd, "dev_type=");
4974 	if (pos) {
4975 		pos += 9;
4976 		if (wps_dev_type_str2bin(pos, dev_type) < 0)
4977 			return -1;
4978 		_dev_type = dev_type;
4979 	}
4980 
4981 	pos = os_strstr(cmd, "delay=");
4982 	if (pos) {
4983 		pos += 6;
4984 		search_delay = atoi(pos);
4985 	} else
4986 		search_delay = wpas_p2p_search_delay(wpa_s);
4987 
4988 	pos = os_strstr(cmd, "freq=");
4989 	if (pos) {
4990 		pos += 5;
4991 		freq = atoi(pos);
4992 		if (freq <= 0)
4993 			return -1;
4994 	}
4995 
4996 	/* Must be searched for last, because it adds nul termination */
4997 	pos = os_strstr(cmd, " seek=");
4998 	if (pos)
4999 		pos += 6;
5000 	while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
5001 		char *term;
5002 
5003 		_seek[seek_count++] = pos;
5004 		seek = _seek;
5005 		term = os_strchr(pos, ' ');
5006 		if (!term)
5007 			break;
5008 		*term = '\0';
5009 		pos = os_strstr(term + 1, "seek=");
5010 		if (pos)
5011 			pos += 5;
5012 	}
5013 	if (seek_count > P2P_MAX_QUERY_HASH) {
5014 		seek[0] = NULL;
5015 		seek_count = 1;
5016 	}
5017 
5018 	return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
5019 			     _dev_id, search_delay, seek_count, seek, freq);
5020 }
5021 
5022 
p2ps_ctrl_parse_cpt_priority(const char * pos,u8 * cpt)5023 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
5024 {
5025 	const char *last = NULL;
5026 	const char *token;
5027 	long int token_len;
5028 	unsigned int i;
5029 
5030 	/* Expected predefined CPT names delimited by ':' */
5031 	for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
5032 		if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
5033 			wpa_printf(MSG_ERROR,
5034 				   "P2PS: CPT name list is too long, expected up to %d names",
5035 				   P2PS_FEATURE_CAPAB_CPT_MAX);
5036 			cpt[0] = 0;
5037 			return -1;
5038 		}
5039 
5040 		token_len = last - token;
5041 
5042 		if (token_len  == 3 &&
5043 		    os_memcmp(token, "UDP", token_len) == 0) {
5044 			cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5045 		} else if (token_len == 3 &&
5046 			   os_memcmp(token, "MAC", token_len) == 0) {
5047 			cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
5048 		} else {
5049 			wpa_printf(MSG_ERROR,
5050 				   "P2PS: Unsupported CPT name '%s'", token);
5051 			cpt[0] = 0;
5052 			return -1;
5053 		}
5054 
5055 		if (isblank((unsigned char) *last)) {
5056 			i++;
5057 			break;
5058 		}
5059 	}
5060 	cpt[i] = 0;
5061 	return 0;
5062 }
5063 
5064 
p2p_parse_asp_provision_cmd(const char * cmd)5065 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
5066 {
5067 	struct p2ps_provision *p2ps_prov;
5068 	char *pos;
5069 	size_t info_len = 0;
5070 	char *info = NULL;
5071 	u8 role = P2PS_SETUP_NONE;
5072 	long long unsigned val;
5073 	int i;
5074 
5075 	pos = os_strstr(cmd, "info=");
5076 	if (pos) {
5077 		pos += 5;
5078 		info_len = os_strlen(pos);
5079 
5080 		if (info_len) {
5081 			info = os_malloc(info_len + 1);
5082 			if (info) {
5083 				info_len = utf8_unescape(pos, info_len,
5084 							 info, info_len + 1);
5085 			} else
5086 				info_len = 0;
5087 		}
5088 	}
5089 
5090 	p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
5091 	if (p2ps_prov == NULL) {
5092 		os_free(info);
5093 		return NULL;
5094 	}
5095 
5096 	if (info) {
5097 		os_memcpy(p2ps_prov->info, info, info_len);
5098 		p2ps_prov->info[info_len] = '\0';
5099 		os_free(info);
5100 	}
5101 
5102 	pos = os_strstr(cmd, "status=");
5103 	if (pos)
5104 		p2ps_prov->status = atoi(pos + 7);
5105 	else
5106 		p2ps_prov->status = -1;
5107 
5108 	pos = os_strstr(cmd, "adv_id=");
5109 	if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
5110 		goto invalid_args;
5111 	p2ps_prov->adv_id = val;
5112 
5113 	pos = os_strstr(cmd, "method=");
5114 	if (pos)
5115 		p2ps_prov->method = strtol(pos + 7, NULL, 16);
5116 	else
5117 		p2ps_prov->method = 0;
5118 
5119 	pos = os_strstr(cmd, "session=");
5120 	if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
5121 		goto invalid_args;
5122 	p2ps_prov->session_id = val;
5123 
5124 	pos = os_strstr(cmd, "adv_mac=");
5125 	if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
5126 		goto invalid_args;
5127 
5128 	pos = os_strstr(cmd, "session_mac=");
5129 	if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
5130 		goto invalid_args;
5131 
5132 	pos = os_strstr(cmd, "cpt=");
5133 	if (pos) {
5134 		if (p2ps_ctrl_parse_cpt_priority(pos + 4,
5135 						 p2ps_prov->cpt_priority))
5136 			goto invalid_args;
5137 	} else {
5138 		p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5139 	}
5140 
5141 	for (i = 0; p2ps_prov->cpt_priority[i]; i++)
5142 		p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
5143 
5144 	/* force conncap with tstCap (no sanity checks) */
5145 	pos = os_strstr(cmd, "tstCap=");
5146 	if (pos) {
5147 		role = strtol(pos + 7, NULL, 16);
5148 	} else {
5149 		pos = os_strstr(cmd, "role=");
5150 		if (pos) {
5151 			role = strtol(pos + 5, NULL, 16);
5152 			if (role != P2PS_SETUP_CLIENT &&
5153 			    role != P2PS_SETUP_GROUP_OWNER)
5154 				role = P2PS_SETUP_NONE;
5155 		}
5156 	}
5157 	p2ps_prov->role = role;
5158 
5159 	return p2ps_prov;
5160 
5161 invalid_args:
5162 	os_free(p2ps_prov);
5163 	return NULL;
5164 }
5165 
5166 
p2p_ctrl_asp_provision_resp(struct wpa_supplicant * wpa_s,char * cmd)5167 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
5168 {
5169 	u8 addr[ETH_ALEN];
5170 	struct p2ps_provision *p2ps_prov;
5171 	char *pos;
5172 
5173 	/* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
5174 
5175 	wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
5176 
5177 	if (hwaddr_aton(cmd, addr))
5178 		return -1;
5179 
5180 	pos = cmd + 17;
5181 	if (*pos != ' ')
5182 		return -1;
5183 
5184 	p2ps_prov = p2p_parse_asp_provision_cmd(pos);
5185 	if (!p2ps_prov)
5186 		return -1;
5187 
5188 	if (p2ps_prov->status < 0) {
5189 		os_free(p2ps_prov);
5190 		return -1;
5191 	}
5192 
5193 	return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
5194 				  p2ps_prov);
5195 }
5196 
5197 
p2p_ctrl_asp_provision(struct wpa_supplicant * wpa_s,char * cmd)5198 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
5199 {
5200 	u8 addr[ETH_ALEN];
5201 	struct p2ps_provision *p2ps_prov;
5202 	char *pos;
5203 
5204 	/* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
5205 	 *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
5206 	 */
5207 
5208 	wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
5209 	if (hwaddr_aton(cmd, addr))
5210 		return -1;
5211 
5212 	pos = cmd + 17;
5213 	if (*pos != ' ')
5214 		return -1;
5215 
5216 	p2ps_prov = p2p_parse_asp_provision_cmd(pos);
5217 	if (!p2ps_prov)
5218 		return -1;
5219 
5220 	p2ps_prov->pd_seeker = 1;
5221 
5222 	return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
5223 				  p2ps_prov);
5224 }
5225 
5226 
parse_freq(int chwidth,int freq2)5227 static int parse_freq(int chwidth, int freq2)
5228 {
5229 	if (freq2 < 0)
5230 		return -1;
5231 	if (freq2)
5232 		return VHT_CHANWIDTH_80P80MHZ;
5233 
5234 	switch (chwidth) {
5235 	case 0:
5236 	case 20:
5237 	case 40:
5238 		return VHT_CHANWIDTH_USE_HT;
5239 	case 80:
5240 		return VHT_CHANWIDTH_80MHZ;
5241 	case 160:
5242 		return VHT_CHANWIDTH_160MHZ;
5243 	default:
5244 		wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
5245 			   chwidth);
5246 		return -1;
5247 	}
5248 }
5249 
5250 
p2p_ctrl_connect(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)5251 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
5252 			    char *buf, size_t buflen)
5253 {
5254 	u8 addr[ETH_ALEN];
5255 	char *pos, *pos2;
5256 	char *pin = NULL;
5257 	enum p2p_wps_method wps_method;
5258 	int new_pin;
5259 	int ret;
5260 	int persistent_group, persistent_id = -1;
5261 	int join;
5262 	int auth;
5263 	int automatic;
5264 	int go_intent = -1;
5265 	int freq = 0;
5266 	int pd;
5267 	int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5268 	u8 _group_ssid[SSID_MAX_LEN], *group_ssid = NULL;
5269 	size_t group_ssid_len = 0;
5270 
5271 	if (!wpa_s->global->p2p_init_wpa_s)
5272 		return -1;
5273 	if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
5274 		wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
5275 			wpa_s->global->p2p_init_wpa_s->ifname);
5276 		wpa_s = wpa_s->global->p2p_init_wpa_s;
5277 	}
5278 
5279 	/* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
5280 	 * [persistent|persistent=<network id>]
5281 	 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
5282 	 * [ht40] [vht] [auto] [ssid=<hexdump>] */
5283 
5284 	if (hwaddr_aton(cmd, addr))
5285 		return -1;
5286 
5287 	pos = cmd + 17;
5288 	if (*pos != ' ')
5289 		return -1;
5290 	pos++;
5291 
5292 	persistent_group = os_strstr(pos, " persistent") != NULL;
5293 	pos2 = os_strstr(pos, " persistent=");
5294 	if (pos2) {
5295 		struct wpa_ssid *ssid;
5296 		persistent_id = atoi(pos2 + 12);
5297 		ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5298 		if (ssid == NULL || ssid->disabled != 2 ||
5299 		    ssid->mode != WPAS_MODE_P2P_GO) {
5300 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
5301 				   "SSID id=%d for persistent P2P group (GO)",
5302 				   persistent_id);
5303 			return -1;
5304 		}
5305 	}
5306 	join = os_strstr(pos, " join") != NULL;
5307 	auth = os_strstr(pos, " auth") != NULL;
5308 	automatic = os_strstr(pos, " auto") != NULL;
5309 	pd = os_strstr(pos, " provdisc") != NULL;
5310 	vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5311 	ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5312 		vht;
5313 
5314 	pos2 = os_strstr(pos, " go_intent=");
5315 	if (pos2) {
5316 		pos2 += 11;
5317 		go_intent = atoi(pos2);
5318 		if (go_intent < 0 || go_intent > 15)
5319 			return -1;
5320 	}
5321 
5322 	pos2 = os_strstr(pos, " freq=");
5323 	if (pos2) {
5324 		pos2 += 6;
5325 		freq = atoi(pos2);
5326 		if (freq <= 0)
5327 			return -1;
5328 	}
5329 
5330 	pos2 = os_strstr(pos, " freq2=");
5331 	if (pos2)
5332 		freq2 = atoi(pos2 + 7);
5333 
5334 	pos2 = os_strstr(pos, " max_oper_chwidth=");
5335 	if (pos2)
5336 		chwidth = atoi(pos2 + 18);
5337 
5338 	max_oper_chwidth = parse_freq(chwidth, freq2);
5339 	if (max_oper_chwidth < 0)
5340 		return -1;
5341 
5342 	pos2 = os_strstr(pos, " ssid=");
5343 	if (pos2) {
5344 		char *end;
5345 
5346 		pos2 += 6;
5347 		end = os_strchr(pos2, ' ');
5348 		if (!end)
5349 			group_ssid_len = os_strlen(pos2) / 2;
5350 		else
5351 			group_ssid_len = (end - pos2) / 2;
5352 		if (group_ssid_len == 0 || group_ssid_len > SSID_MAX_LEN ||
5353 		    hexstr2bin(pos2, _group_ssid, group_ssid_len) < 0)
5354 			return -1;
5355 		group_ssid = _group_ssid;
5356 	}
5357 
5358 	if (os_strncmp(pos, "pin", 3) == 0) {
5359 		/* Request random PIN (to be displayed) and enable the PIN */
5360 		wps_method = WPS_PIN_DISPLAY;
5361 	} else if (os_strncmp(pos, "pbc", 3) == 0) {
5362 		wps_method = WPS_PBC;
5363 	} else if (os_strstr(pos, "p2ps") != NULL) {
5364 		wps_method = WPS_P2PS;
5365 	} else {
5366 		pin = pos;
5367 		pos = os_strchr(pin, ' ');
5368 		wps_method = WPS_PIN_KEYPAD;
5369 		if (pos) {
5370 			*pos++ = '\0';
5371 			if (os_strncmp(pos, "display", 7) == 0)
5372 				wps_method = WPS_PIN_DISPLAY;
5373 		}
5374 		if (!wps_pin_str_valid(pin)) {
5375 			os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
5376 			return 17;
5377 		}
5378 	}
5379 
5380 	new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5381 				   persistent_group, automatic, join,
5382 				   auth, go_intent, freq, freq2, persistent_id,
5383 				   pd, ht40, vht, max_oper_chwidth,
5384 				   group_ssid, group_ssid_len);
5385 	if (new_pin == -2) {
5386 		os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5387 		return 25;
5388 	}
5389 	if (new_pin == -3) {
5390 		os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5391 		return 25;
5392 	}
5393 	if (new_pin < 0)
5394 		return -1;
5395 	if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5396 		ret = os_snprintf(buf, buflen, "%08d", new_pin);
5397 		if (os_snprintf_error(buflen, ret))
5398 			return -1;
5399 		return ret;
5400 	}
5401 
5402 	os_memcpy(buf, "OK\n", 3);
5403 	return 3;
5404 }
5405 
5406 
p2p_ctrl_listen(struct wpa_supplicant * wpa_s,char * cmd)5407 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5408 {
5409 	unsigned int timeout = atoi(cmd);
5410 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5411 		wpa_dbg(wpa_s, MSG_INFO,
5412 			"Reject P2P_LISTEN since interface is disabled");
5413 		return -1;
5414 	}
5415 	return wpas_p2p_listen(wpa_s, timeout);
5416 }
5417 
5418 
p2p_ctrl_prov_disc(struct wpa_supplicant * wpa_s,char * cmd)5419 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5420 {
5421 	u8 addr[ETH_ALEN];
5422 	char *pos;
5423 	enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5424 
5425 	/* <addr> <config method> [join|auto] */
5426 
5427 	if (hwaddr_aton(cmd, addr))
5428 		return -1;
5429 
5430 	pos = cmd + 17;
5431 	if (*pos != ' ')
5432 		return -1;
5433 	pos++;
5434 
5435 	if (os_strstr(pos, " join") != NULL)
5436 		use = WPAS_P2P_PD_FOR_JOIN;
5437 	else if (os_strstr(pos, " auto") != NULL)
5438 		use = WPAS_P2P_PD_AUTO;
5439 
5440 	return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5441 }
5442 
5443 
p2p_get_passphrase(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)5444 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5445 			      size_t buflen)
5446 {
5447 	struct wpa_ssid *ssid = wpa_s->current_ssid;
5448 
5449 	if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5450 	    ssid->passphrase == NULL)
5451 		return -1;
5452 
5453 	os_strlcpy(buf, ssid->passphrase, buflen);
5454 	return os_strlen(buf);
5455 }
5456 
5457 
p2p_ctrl_serv_disc_req(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)5458 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5459 				  char *buf, size_t buflen)
5460 {
5461 	u64 ref;
5462 	int res;
5463 	u8 dst_buf[ETH_ALEN], *dst;
5464 	struct wpabuf *tlvs;
5465 	char *pos;
5466 	size_t len;
5467 
5468 	if (hwaddr_aton(cmd, dst_buf))
5469 		return -1;
5470 	dst = dst_buf;
5471 	if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5472 	    dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5473 		dst = NULL;
5474 	pos = cmd + 17;
5475 	if (*pos != ' ')
5476 		return -1;
5477 	pos++;
5478 
5479 	if (os_strncmp(pos, "upnp ", 5) == 0) {
5480 		u8 version;
5481 		pos += 5;
5482 		if (hexstr2bin(pos, &version, 1) < 0)
5483 			return -1;
5484 		pos += 2;
5485 		if (*pos != ' ')
5486 			return -1;
5487 		pos++;
5488 		ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5489 #ifdef CONFIG_WIFI_DISPLAY
5490 	} else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5491 		ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5492 #endif /* CONFIG_WIFI_DISPLAY */
5493 	} else if (os_strncmp(pos, "asp ", 4) == 0) {
5494 		char *svc_str;
5495 		char *svc_info = NULL;
5496 		u32 id;
5497 
5498 		pos += 4;
5499 		if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5500 			return -1;
5501 
5502 		pos = os_strchr(pos, ' ');
5503 		if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5504 			return -1;
5505 
5506 		svc_str = pos + 1;
5507 
5508 		pos = os_strchr(svc_str, ' ');
5509 
5510 		if (pos)
5511 			*pos++ = '\0';
5512 
5513 		/* All remaining data is the svc_info string */
5514 		if (pos && pos[0] && pos[0] != ' ') {
5515 			len = os_strlen(pos);
5516 
5517 			/* Unescape in place */
5518 			len = utf8_unescape(pos, len, pos, len);
5519 			if (len > 0xff)
5520 				return -1;
5521 
5522 			svc_info = pos;
5523 		}
5524 
5525 		ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5526 					      svc_str, svc_info);
5527 	} else {
5528 		len = os_strlen(pos);
5529 		if (len & 1)
5530 			return -1;
5531 		len /= 2;
5532 		tlvs = wpabuf_alloc(len);
5533 		if (tlvs == NULL)
5534 			return -1;
5535 		if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5536 			wpabuf_free(tlvs);
5537 			return -1;
5538 		}
5539 
5540 		ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5541 		wpabuf_free(tlvs);
5542 	}
5543 	if (ref == 0)
5544 		return -1;
5545 	res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5546 	if (os_snprintf_error(buflen, res))
5547 		return -1;
5548 	return res;
5549 }
5550 
5551 
p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant * wpa_s,char * cmd)5552 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5553 					 char *cmd)
5554 {
5555 	long long unsigned val;
5556 	u64 req;
5557 	if (sscanf(cmd, "%llx", &val) != 1)
5558 		return -1;
5559 	req = val;
5560 	return wpas_p2p_sd_cancel_request(wpa_s, req);
5561 }
5562 
5563 
p2p_ctrl_serv_disc_resp(struct wpa_supplicant * wpa_s,char * cmd)5564 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5565 {
5566 	int freq;
5567 	u8 dst[ETH_ALEN];
5568 	u8 dialog_token;
5569 	struct wpabuf *resp_tlvs;
5570 	char *pos, *pos2;
5571 	size_t len;
5572 
5573 	pos = os_strchr(cmd, ' ');
5574 	if (pos == NULL)
5575 		return -1;
5576 	*pos++ = '\0';
5577 	freq = atoi(cmd);
5578 	if (freq == 0)
5579 		return -1;
5580 
5581 	if (hwaddr_aton(pos, dst))
5582 		return -1;
5583 	pos += 17;
5584 	if (*pos != ' ')
5585 		return -1;
5586 	pos++;
5587 
5588 	pos2 = os_strchr(pos, ' ');
5589 	if (pos2 == NULL)
5590 		return -1;
5591 	*pos2++ = '\0';
5592 	dialog_token = atoi(pos);
5593 
5594 	len = os_strlen(pos2);
5595 	if (len & 1)
5596 		return -1;
5597 	len /= 2;
5598 	resp_tlvs = wpabuf_alloc(len);
5599 	if (resp_tlvs == NULL)
5600 		return -1;
5601 	if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5602 		wpabuf_free(resp_tlvs);
5603 		return -1;
5604 	}
5605 
5606 	wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5607 	wpabuf_free(resp_tlvs);
5608 	return 0;
5609 }
5610 
5611 
p2p_ctrl_serv_disc_external(struct wpa_supplicant * wpa_s,char * cmd)5612 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5613 				       char *cmd)
5614 {
5615 	if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5616 		return -1;
5617 	wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5618 	return 0;
5619 }
5620 
5621 
p2p_ctrl_service_add_bonjour(struct wpa_supplicant * wpa_s,char * cmd)5622 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5623 					char *cmd)
5624 {
5625 	char *pos;
5626 	size_t len;
5627 	struct wpabuf *query, *resp;
5628 
5629 	pos = os_strchr(cmd, ' ');
5630 	if (pos == NULL)
5631 		return -1;
5632 	*pos++ = '\0';
5633 
5634 	len = os_strlen(cmd);
5635 	if (len & 1)
5636 		return -1;
5637 	len /= 2;
5638 	query = wpabuf_alloc(len);
5639 	if (query == NULL)
5640 		return -1;
5641 	if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5642 		wpabuf_free(query);
5643 		return -1;
5644 	}
5645 
5646 	len = os_strlen(pos);
5647 	if (len & 1) {
5648 		wpabuf_free(query);
5649 		return -1;
5650 	}
5651 	len /= 2;
5652 	resp = wpabuf_alloc(len);
5653 	if (resp == NULL) {
5654 		wpabuf_free(query);
5655 		return -1;
5656 	}
5657 	if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5658 		wpabuf_free(query);
5659 		wpabuf_free(resp);
5660 		return -1;
5661 	}
5662 
5663 	if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5664 		wpabuf_free(query);
5665 		wpabuf_free(resp);
5666 		return -1;
5667 	}
5668 	return 0;
5669 }
5670 
5671 
p2p_ctrl_service_add_upnp(struct wpa_supplicant * wpa_s,char * cmd)5672 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5673 {
5674 	char *pos;
5675 	u8 version;
5676 
5677 	pos = os_strchr(cmd, ' ');
5678 	if (pos == NULL)
5679 		return -1;
5680 	*pos++ = '\0';
5681 
5682 	if (hexstr2bin(cmd, &version, 1) < 0)
5683 		return -1;
5684 
5685 	return wpas_p2p_service_add_upnp(wpa_s, version, pos);
5686 }
5687 
5688 
p2p_ctrl_service_add_asp(struct wpa_supplicant * wpa_s,u8 replace,char * cmd)5689 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
5690 				    u8 replace, char *cmd)
5691 {
5692 	char *pos;
5693 	char *adv_str;
5694 	u32 auto_accept, adv_id, svc_state, config_methods;
5695 	char *svc_info = NULL;
5696 	char *cpt_prio_str;
5697 	u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
5698 
5699 	pos = os_strchr(cmd, ' ');
5700 	if (pos == NULL)
5701 		return -1;
5702 	*pos++ = '\0';
5703 
5704 	/* Auto-Accept value is mandatory, and must be one of the
5705 	 * single values (0, 1, 2, 4) */
5706 	auto_accept = atoi(cmd);
5707 	switch (auto_accept) {
5708 	case P2PS_SETUP_NONE: /* No auto-accept */
5709 	case P2PS_SETUP_NEW:
5710 	case P2PS_SETUP_CLIENT:
5711 	case P2PS_SETUP_GROUP_OWNER:
5712 		break;
5713 	default:
5714 		return -1;
5715 	}
5716 
5717 	/* Advertisement ID is mandatory */
5718 	cmd = pos;
5719 	pos = os_strchr(cmd, ' ');
5720 	if (pos == NULL)
5721 		return -1;
5722 	*pos++ = '\0';
5723 
5724 	/* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
5725 	if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
5726 		return -1;
5727 
5728 	/* Only allow replacements if exist, and adds if not */
5729 	if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
5730 		if (!replace)
5731 			return -1;
5732 	} else {
5733 		if (replace)
5734 			return -1;
5735 	}
5736 
5737 	/* svc_state between 0 - 0xff is mandatory */
5738 	if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
5739 		return -1;
5740 
5741 	pos = os_strchr(pos, ' ');
5742 	if (pos == NULL)
5743 		return -1;
5744 
5745 	/* config_methods is mandatory */
5746 	pos++;
5747 	if (sscanf(pos, "%x", &config_methods) != 1)
5748 		return -1;
5749 
5750 	if (!(config_methods &
5751 	      (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
5752 		return -1;
5753 
5754 	pos = os_strchr(pos, ' ');
5755 	if (pos == NULL)
5756 		return -1;
5757 
5758 	pos++;
5759 	adv_str = pos;
5760 
5761 	/* Advertisement string is mandatory */
5762 	if (!pos[0] || pos[0] == ' ')
5763 		return -1;
5764 
5765 	/* Terminate svc string */
5766 	pos = os_strchr(pos, ' ');
5767 	if (pos != NULL)
5768 		*pos++ = '\0';
5769 
5770 	cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
5771 	if (cpt_prio_str) {
5772 		pos = os_strchr(pos, ' ');
5773 		if (pos != NULL)
5774 			*pos++ = '\0';
5775 
5776 		if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
5777 			return -1;
5778 	} else {
5779 		cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5780 		cpt_prio[1] = 0;
5781 	}
5782 
5783 	/* Service and Response Information are optional */
5784 	if (pos && pos[0]) {
5785 		size_t len;
5786 
5787 		/* Note the bare ' included, which cannot exist legally
5788 		 * in unescaped string. */
5789 		svc_info = os_strstr(pos, "svc_info='");
5790 
5791 		if (svc_info) {
5792 			svc_info += 9;
5793 			len = os_strlen(svc_info);
5794 			utf8_unescape(svc_info, len, svc_info, len);
5795 		}
5796 	}
5797 
5798 	return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
5799 					(u8) svc_state, (u16) config_methods,
5800 					svc_info, cpt_prio);
5801 }
5802 
5803 
p2p_ctrl_service_add(struct wpa_supplicant * wpa_s,char * cmd)5804 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
5805 {
5806 	char *pos;
5807 
5808 	pos = os_strchr(cmd, ' ');
5809 	if (pos == NULL)
5810 		return -1;
5811 	*pos++ = '\0';
5812 
5813 	if (os_strcmp(cmd, "bonjour") == 0)
5814 		return p2p_ctrl_service_add_bonjour(wpa_s, pos);
5815 	if (os_strcmp(cmd, "upnp") == 0)
5816 		return p2p_ctrl_service_add_upnp(wpa_s, pos);
5817 	if (os_strcmp(cmd, "asp") == 0)
5818 		return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
5819 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5820 	return -1;
5821 }
5822 
5823 
p2p_ctrl_service_del_bonjour(struct wpa_supplicant * wpa_s,char * cmd)5824 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
5825 					char *cmd)
5826 {
5827 	size_t len;
5828 	struct wpabuf *query;
5829 	int ret;
5830 
5831 	len = os_strlen(cmd);
5832 	if (len & 1)
5833 		return -1;
5834 	len /= 2;
5835 	query = wpabuf_alloc(len);
5836 	if (query == NULL)
5837 		return -1;
5838 	if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5839 		wpabuf_free(query);
5840 		return -1;
5841 	}
5842 
5843 	ret = wpas_p2p_service_del_bonjour(wpa_s, query);
5844 	wpabuf_free(query);
5845 	return ret;
5846 }
5847 
5848 
p2p_ctrl_service_del_upnp(struct wpa_supplicant * wpa_s,char * cmd)5849 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5850 {
5851 	char *pos;
5852 	u8 version;
5853 
5854 	pos = os_strchr(cmd, ' ');
5855 	if (pos == NULL)
5856 		return -1;
5857 	*pos++ = '\0';
5858 
5859 	if (hexstr2bin(cmd, &version, 1) < 0)
5860 		return -1;
5861 
5862 	return wpas_p2p_service_del_upnp(wpa_s, version, pos);
5863 }
5864 
5865 
p2p_ctrl_service_del_asp(struct wpa_supplicant * wpa_s,char * cmd)5866 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
5867 {
5868 	u32 adv_id;
5869 
5870 	if (os_strcmp(cmd, "all") == 0) {
5871 		wpas_p2p_service_flush_asp(wpa_s);
5872 		return 0;
5873 	}
5874 
5875 	if (sscanf(cmd, "%x", &adv_id) != 1)
5876 		return -1;
5877 
5878 	return wpas_p2p_service_del_asp(wpa_s, adv_id);
5879 }
5880 
5881 
p2p_ctrl_service_del(struct wpa_supplicant * wpa_s,char * cmd)5882 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
5883 {
5884 	char *pos;
5885 
5886 	pos = os_strchr(cmd, ' ');
5887 	if (pos == NULL)
5888 		return -1;
5889 	*pos++ = '\0';
5890 
5891 	if (os_strcmp(cmd, "bonjour") == 0)
5892 		return p2p_ctrl_service_del_bonjour(wpa_s, pos);
5893 	if (os_strcmp(cmd, "upnp") == 0)
5894 		return p2p_ctrl_service_del_upnp(wpa_s, pos);
5895 	if (os_strcmp(cmd, "asp") == 0)
5896 		return p2p_ctrl_service_del_asp(wpa_s, pos);
5897 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5898 	return -1;
5899 }
5900 
5901 
p2p_ctrl_service_replace(struct wpa_supplicant * wpa_s,char * cmd)5902 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
5903 {
5904 	char *pos;
5905 
5906 	pos = os_strchr(cmd, ' ');
5907 	if (pos == NULL)
5908 		return -1;
5909 	*pos++ = '\0';
5910 
5911 	if (os_strcmp(cmd, "asp") == 0)
5912 		return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
5913 
5914 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
5915 	return -1;
5916 }
5917 
5918 
p2p_ctrl_reject(struct wpa_supplicant * wpa_s,char * cmd)5919 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
5920 {
5921 	u8 addr[ETH_ALEN];
5922 
5923 	/* <addr> */
5924 
5925 	if (hwaddr_aton(cmd, addr))
5926 		return -1;
5927 
5928 	return wpas_p2p_reject(wpa_s, addr);
5929 }
5930 
5931 
p2p_ctrl_invite_persistent(struct wpa_supplicant * wpa_s,char * cmd)5932 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
5933 {
5934 	char *pos;
5935 	int id;
5936 	struct wpa_ssid *ssid;
5937 	u8 *_peer = NULL, peer[ETH_ALEN];
5938 	int freq = 0, pref_freq = 0;
5939 	int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5940 
5941 	id = atoi(cmd);
5942 	pos = os_strstr(cmd, " peer=");
5943 	if (pos) {
5944 		pos += 6;
5945 		if (hwaddr_aton(pos, peer))
5946 			return -1;
5947 		_peer = peer;
5948 	}
5949 	ssid = wpa_config_get_network(wpa_s->conf, id);
5950 	if (ssid == NULL || ssid->disabled != 2) {
5951 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
5952 			   "for persistent P2P group",
5953 			   id);
5954 		return -1;
5955 	}
5956 
5957 	pos = os_strstr(cmd, " freq=");
5958 	if (pos) {
5959 		pos += 6;
5960 		freq = atoi(pos);
5961 		if (freq <= 0)
5962 			return -1;
5963 	}
5964 
5965 	pos = os_strstr(cmd, " pref=");
5966 	if (pos) {
5967 		pos += 6;
5968 		pref_freq = atoi(pos);
5969 		if (pref_freq <= 0)
5970 			return -1;
5971 	}
5972 
5973 	vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5974 	ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5975 		vht;
5976 
5977 	pos = os_strstr(cmd, "freq2=");
5978 	if (pos)
5979 		freq2 = atoi(pos + 6);
5980 
5981 	pos = os_strstr(cmd, " max_oper_chwidth=");
5982 	if (pos)
5983 		chwidth = atoi(pos + 18);
5984 
5985 	max_oper_chwidth = parse_freq(chwidth, freq2);
5986 	if (max_oper_chwidth < 0)
5987 		return -1;
5988 
5989 	return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
5990 			       max_oper_chwidth, pref_freq);
5991 }
5992 
5993 
p2p_ctrl_invite_group(struct wpa_supplicant * wpa_s,char * cmd)5994 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
5995 {
5996 	char *pos;
5997 	u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
5998 
5999 	pos = os_strstr(cmd, " peer=");
6000 	if (!pos)
6001 		return -1;
6002 
6003 	*pos = '\0';
6004 	pos += 6;
6005 	if (hwaddr_aton(pos, peer)) {
6006 		wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
6007 		return -1;
6008 	}
6009 
6010 	pos = os_strstr(pos, " go_dev_addr=");
6011 	if (pos) {
6012 		pos += 13;
6013 		if (hwaddr_aton(pos, go_dev_addr)) {
6014 			wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
6015 				   pos);
6016 			return -1;
6017 		}
6018 		go_dev = go_dev_addr;
6019 	}
6020 
6021 	return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
6022 }
6023 
6024 
p2p_ctrl_invite(struct wpa_supplicant * wpa_s,char * cmd)6025 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
6026 {
6027 	if (os_strncmp(cmd, "persistent=", 11) == 0)
6028 		return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
6029 	if (os_strncmp(cmd, "group=", 6) == 0)
6030 		return p2p_ctrl_invite_group(wpa_s, cmd + 6);
6031 
6032 	return -1;
6033 }
6034 
6035 
p2p_ctrl_group_add_persistent(struct wpa_supplicant * wpa_s,int id,int freq,int vht_center_freq2,int ht40,int vht,int vht_chwidth)6036 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
6037 					 int id, int freq, int vht_center_freq2,
6038 					 int ht40, int vht, int vht_chwidth)
6039 {
6040 	struct wpa_ssid *ssid;
6041 
6042 	ssid = wpa_config_get_network(wpa_s->conf, id);
6043 	if (ssid == NULL || ssid->disabled != 2) {
6044 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
6045 			   "for persistent P2P group",
6046 			   id);
6047 		return -1;
6048 	}
6049 
6050 	return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
6051 					     vht_center_freq2, 0, ht40, vht,
6052 					     vht_chwidth, NULL, 0, 0);
6053 }
6054 
6055 
p2p_ctrl_group_add(struct wpa_supplicant * wpa_s,char * cmd)6056 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
6057 {
6058 	int freq = 0, persistent = 0, group_id = -1;
6059 	int vht = wpa_s->conf->p2p_go_vht;
6060 	int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
6061 	int max_oper_chwidth, chwidth = 0, freq2 = 0;
6062 	char *token, *context = NULL;
6063 
6064 	while ((token = str_token(cmd, " ", &context))) {
6065 		if (sscanf(token, "freq=%d", &freq) == 1 ||
6066 		    sscanf(token, "freq2=%d", &freq2) == 1 ||
6067 		    sscanf(token, "persistent=%d", &group_id) == 1 ||
6068 		    sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
6069 			continue;
6070 		} else if (os_strcmp(token, "ht40") == 0) {
6071 			ht40 = 1;
6072 		} else if (os_strcmp(token, "vht") == 0) {
6073 			vht = 1;
6074 			ht40 = 1;
6075 		} else if (os_strcmp(token, "persistent") == 0) {
6076 			persistent = 1;
6077 		} else {
6078 			wpa_printf(MSG_DEBUG,
6079 				   "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
6080 				   token);
6081 			return -1;
6082 		}
6083 	}
6084 
6085 	max_oper_chwidth = parse_freq(chwidth, freq2);
6086 	if (max_oper_chwidth < 0)
6087 		return -1;
6088 
6089 	if (group_id >= 0)
6090 		return p2p_ctrl_group_add_persistent(wpa_s, group_id,
6091 						     freq, freq2, ht40, vht,
6092 						     max_oper_chwidth);
6093 
6094 	return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
6095 				  max_oper_chwidth);
6096 }
6097 
6098 
p2p_ctrl_group_member(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)6099 static int p2p_ctrl_group_member(struct wpa_supplicant *wpa_s, const char *cmd,
6100 				 char *buf, size_t buflen)
6101 {
6102 	u8 dev_addr[ETH_ALEN];
6103 	struct wpa_ssid *ssid;
6104 	int res;
6105 	const u8 *iaddr;
6106 
6107 	ssid = wpa_s->current_ssid;
6108 	if (!wpa_s->global->p2p || !ssid || ssid->mode != WPAS_MODE_P2P_GO ||
6109 	    hwaddr_aton(cmd, dev_addr))
6110 		return -1;
6111 
6112 	iaddr = p2p_group_get_client_interface_addr(wpa_s->p2p_group, dev_addr);
6113 	if (!iaddr)
6114 		return -1;
6115 	res = os_snprintf(buf, buflen, MACSTR, MAC2STR(iaddr));
6116 	if (os_snprintf_error(buflen, res))
6117 		return -1;
6118 	return res;
6119 }
6120 
6121 
wpas_find_p2p_dev_addr_bss(struct wpa_global * global,const u8 * p2p_dev_addr)6122 static int wpas_find_p2p_dev_addr_bss(struct wpa_global *global,
6123 				      const u8 *p2p_dev_addr)
6124 {
6125 	struct wpa_supplicant *wpa_s;
6126 
6127 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6128 		if (wpa_bss_get_p2p_dev_addr(wpa_s, p2p_dev_addr))
6129 			return 1;
6130 	}
6131 
6132 	return 0;
6133 }
6134 
6135 
p2p_ctrl_peer(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)6136 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
6137 			 char *buf, size_t buflen)
6138 {
6139 	u8 addr[ETH_ALEN], *addr_ptr, group_capab;
6140 	int next, res;
6141 	const struct p2p_peer_info *info;
6142 	char *pos, *end;
6143 	char devtype[WPS_DEV_TYPE_BUFSIZE];
6144 	struct wpa_ssid *ssid;
6145 	size_t i;
6146 
6147 	if (!wpa_s->global->p2p)
6148 		return -1;
6149 
6150 	if (os_strcmp(cmd, "FIRST") == 0) {
6151 		addr_ptr = NULL;
6152 		next = 0;
6153 	} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
6154 		if (hwaddr_aton(cmd + 5, addr) < 0)
6155 			return -1;
6156 		addr_ptr = addr;
6157 		next = 1;
6158 	} else {
6159 		if (hwaddr_aton(cmd, addr) < 0)
6160 			return -1;
6161 		addr_ptr = addr;
6162 		next = 0;
6163 	}
6164 
6165 	info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
6166 	if (info == NULL)
6167 		return -1;
6168 	group_capab = info->group_capab;
6169 
6170 	if (group_capab &&
6171 	    !wpas_find_p2p_dev_addr_bss(wpa_s->global, info->p2p_device_addr)) {
6172 		wpa_printf(MSG_DEBUG,
6173 			   "P2P: Could not find any BSS with p2p_dev_addr "
6174 			   MACSTR ", hence override group_capab from 0x%x to 0",
6175 			   MAC2STR(info->p2p_device_addr), group_capab);
6176 		group_capab = 0;
6177 	}
6178 
6179 	pos = buf;
6180 	end = buf + buflen;
6181 
6182 	res = os_snprintf(pos, end - pos, MACSTR "\n"
6183 			  "pri_dev_type=%s\n"
6184 			  "device_name=%s\n"
6185 			  "manufacturer=%s\n"
6186 			  "model_name=%s\n"
6187 			  "model_number=%s\n"
6188 			  "serial_number=%s\n"
6189 			  "config_methods=0x%x\n"
6190 			  "dev_capab=0x%x\n"
6191 			  "group_capab=0x%x\n"
6192 			  "level=%d\n",
6193 			  MAC2STR(info->p2p_device_addr),
6194 			  wps_dev_type_bin2str(info->pri_dev_type,
6195 					       devtype, sizeof(devtype)),
6196 			  info->device_name,
6197 			  info->manufacturer,
6198 			  info->model_name,
6199 			  info->model_number,
6200 			  info->serial_number,
6201 			  info->config_methods,
6202 			  info->dev_capab,
6203 			  group_capab,
6204 			  info->level);
6205 	if (os_snprintf_error(end - pos, res))
6206 		return pos - buf;
6207 	pos += res;
6208 
6209 	for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
6210 	{
6211 		const u8 *t;
6212 		t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
6213 		res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
6214 				  wps_dev_type_bin2str(t, devtype,
6215 						       sizeof(devtype)));
6216 		if (os_snprintf_error(end - pos, res))
6217 			return pos - buf;
6218 		pos += res;
6219 	}
6220 
6221 	ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
6222 	if (ssid) {
6223 		res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
6224 		if (os_snprintf_error(end - pos, res))
6225 			return pos - buf;
6226 		pos += res;
6227 	}
6228 
6229 	res = p2p_get_peer_info_txt(info, pos, end - pos);
6230 	if (res < 0)
6231 		return pos - buf;
6232 	pos += res;
6233 
6234 	if (info->vendor_elems) {
6235 		res = os_snprintf(pos, end - pos, "vendor_elems=");
6236 		if (os_snprintf_error(end - pos, res))
6237 			return pos - buf;
6238 		pos += res;
6239 
6240 		pos += wpa_snprintf_hex(pos, end - pos,
6241 					wpabuf_head(info->vendor_elems),
6242 					wpabuf_len(info->vendor_elems));
6243 
6244 		res = os_snprintf(pos, end - pos, "\n");
6245 		if (os_snprintf_error(end - pos, res))
6246 			return pos - buf;
6247 		pos += res;
6248 	}
6249 
6250 	return pos - buf;
6251 }
6252 
6253 
p2p_ctrl_disallow_freq(struct wpa_supplicant * wpa_s,const char * param)6254 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
6255 				  const char *param)
6256 {
6257 	unsigned int i;
6258 
6259 	if (wpa_s->global->p2p == NULL)
6260 		return -1;
6261 
6262 	if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
6263 		return -1;
6264 
6265 	for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
6266 		struct wpa_freq_range *freq;
6267 		freq = &wpa_s->global->p2p_disallow_freq.range[i];
6268 		wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
6269 			   freq->min, freq->max);
6270 	}
6271 
6272 	wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
6273 	return 0;
6274 }
6275 
6276 
p2p_ctrl_set(struct wpa_supplicant * wpa_s,char * cmd)6277 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
6278 {
6279 	char *param;
6280 
6281 	if (wpa_s->global->p2p == NULL)
6282 		return -1;
6283 
6284 	param = os_strchr(cmd, ' ');
6285 	if (param == NULL)
6286 		return -1;
6287 	*param++ = '\0';
6288 
6289 	if (os_strcmp(cmd, "discoverability") == 0) {
6290 		p2p_set_client_discoverability(wpa_s->global->p2p,
6291 					       atoi(param));
6292 		return 0;
6293 	}
6294 
6295 	if (os_strcmp(cmd, "managed") == 0) {
6296 		p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
6297 		return 0;
6298 	}
6299 
6300 	if (os_strcmp(cmd, "listen_channel") == 0) {
6301 		char *pos;
6302 		u8 channel, op_class;
6303 
6304 		channel = atoi(param);
6305 		pos = os_strchr(param, ' ');
6306 		op_class = pos ? atoi(pos) : 81;
6307 
6308 		return p2p_set_listen_channel(wpa_s->global->p2p, op_class,
6309 					      channel, 1);
6310 	}
6311 
6312 	if (os_strcmp(cmd, "ssid_postfix") == 0) {
6313 		return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
6314 					    os_strlen(param));
6315 	}
6316 
6317 	if (os_strcmp(cmd, "noa") == 0) {
6318 		char *pos;
6319 		int count, start, duration;
6320 		/* GO NoA parameters: count,start_offset(ms),duration(ms) */
6321 		count = atoi(param);
6322 		pos = os_strchr(param, ',');
6323 		if (pos == NULL)
6324 			return -1;
6325 		pos++;
6326 		start = atoi(pos);
6327 		pos = os_strchr(pos, ',');
6328 		if (pos == NULL)
6329 			return -1;
6330 		pos++;
6331 		duration = atoi(pos);
6332 		if (count < 0 || count > 255 || start < 0 || duration < 0)
6333 			return -1;
6334 		if (count == 0 && duration > 0)
6335 			return -1;
6336 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
6337 			   "start=%d duration=%d", count, start, duration);
6338 		return wpas_p2p_set_noa(wpa_s, count, start, duration);
6339 	}
6340 
6341 	if (os_strcmp(cmd, "ps") == 0)
6342 		return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
6343 
6344 	if (os_strcmp(cmd, "oppps") == 0)
6345 		return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
6346 
6347 	if (os_strcmp(cmd, "ctwindow") == 0)
6348 		return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
6349 
6350 	if (os_strcmp(cmd, "disabled") == 0) {
6351 		wpa_s->global->p2p_disabled = atoi(param);
6352 		wpa_printf(MSG_DEBUG, "P2P functionality %s",
6353 			   wpa_s->global->p2p_disabled ?
6354 			   "disabled" : "enabled");
6355 		if (wpa_s->global->p2p_disabled) {
6356 			wpas_p2p_stop_find(wpa_s);
6357 			os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6358 			p2p_flush(wpa_s->global->p2p);
6359 		}
6360 		return 0;
6361 	}
6362 
6363 	if (os_strcmp(cmd, "conc_pref") == 0) {
6364 		if (os_strcmp(param, "sta") == 0)
6365 			wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
6366 		else if (os_strcmp(param, "p2p") == 0)
6367 			wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
6368 		else {
6369 			wpa_printf(MSG_INFO, "Invalid conc_pref value");
6370 			return -1;
6371 		}
6372 		wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
6373 			   "%s", param);
6374 		return 0;
6375 	}
6376 
6377 	if (os_strcmp(cmd, "force_long_sd") == 0) {
6378 		wpa_s->force_long_sd = atoi(param);
6379 		return 0;
6380 	}
6381 
6382 	if (os_strcmp(cmd, "peer_filter") == 0) {
6383 		u8 addr[ETH_ALEN];
6384 		if (hwaddr_aton(param, addr))
6385 			return -1;
6386 		p2p_set_peer_filter(wpa_s->global->p2p, addr);
6387 		return 0;
6388 	}
6389 
6390 	if (os_strcmp(cmd, "cross_connect") == 0)
6391 		return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
6392 
6393 	if (os_strcmp(cmd, "go_apsd") == 0) {
6394 		if (os_strcmp(param, "disable") == 0)
6395 			wpa_s->set_ap_uapsd = 0;
6396 		else {
6397 			wpa_s->set_ap_uapsd = 1;
6398 			wpa_s->ap_uapsd = atoi(param);
6399 		}
6400 		return 0;
6401 	}
6402 
6403 	if (os_strcmp(cmd, "client_apsd") == 0) {
6404 		if (os_strcmp(param, "disable") == 0)
6405 			wpa_s->set_sta_uapsd = 0;
6406 		else {
6407 			int be, bk, vi, vo;
6408 			char *pos;
6409 			/* format: BE,BK,VI,VO;max SP Length */
6410 			be = atoi(param);
6411 			pos = os_strchr(param, ',');
6412 			if (pos == NULL)
6413 				return -1;
6414 			pos++;
6415 			bk = atoi(pos);
6416 			pos = os_strchr(pos, ',');
6417 			if (pos == NULL)
6418 				return -1;
6419 			pos++;
6420 			vi = atoi(pos);
6421 			pos = os_strchr(pos, ',');
6422 			if (pos == NULL)
6423 				return -1;
6424 			pos++;
6425 			vo = atoi(pos);
6426 			/* ignore max SP Length for now */
6427 
6428 			wpa_s->set_sta_uapsd = 1;
6429 			wpa_s->sta_uapsd = 0;
6430 			if (be)
6431 				wpa_s->sta_uapsd |= BIT(0);
6432 			if (bk)
6433 				wpa_s->sta_uapsd |= BIT(1);
6434 			if (vi)
6435 				wpa_s->sta_uapsd |= BIT(2);
6436 			if (vo)
6437 				wpa_s->sta_uapsd |= BIT(3);
6438 		}
6439 		return 0;
6440 	}
6441 
6442 	if (os_strcmp(cmd, "disallow_freq") == 0)
6443 		return p2p_ctrl_disallow_freq(wpa_s, param);
6444 
6445 	if (os_strcmp(cmd, "disc_int") == 0) {
6446 		int min_disc_int, max_disc_int, max_disc_tu;
6447 		char *pos;
6448 
6449 		pos = param;
6450 
6451 		min_disc_int = atoi(pos);
6452 		pos = os_strchr(pos, ' ');
6453 		if (pos == NULL)
6454 			return -1;
6455 		*pos++ = '\0';
6456 
6457 		max_disc_int = atoi(pos);
6458 		pos = os_strchr(pos, ' ');
6459 		if (pos == NULL)
6460 			return -1;
6461 		*pos++ = '\0';
6462 
6463 		max_disc_tu = atoi(pos);
6464 
6465 		return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6466 					max_disc_int, max_disc_tu);
6467 	}
6468 
6469 	if (os_strcmp(cmd, "per_sta_psk") == 0) {
6470 		wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6471 		return 0;
6472 	}
6473 
6474 #ifdef CONFIG_WPS_NFC
6475 	if (os_strcmp(cmd, "nfc_tag") == 0)
6476 		return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6477 #endif /* CONFIG_WPS_NFC */
6478 
6479 	if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6480 		wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6481 		return 0;
6482 	}
6483 
6484 	if (os_strcmp(cmd, "override_pref_op_chan") == 0) {
6485 		int op_class, chan;
6486 
6487 		op_class = atoi(param);
6488 		param = os_strchr(param, ':');
6489 		if (!param)
6490 			return -1;
6491 		param++;
6492 		chan = atoi(param);
6493 		p2p_set_override_pref_op_chan(wpa_s->global->p2p, op_class,
6494 					      chan);
6495 		return 0;
6496 	}
6497 
6498 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6499 		   cmd);
6500 
6501 	return -1;
6502 }
6503 
6504 
p2p_ctrl_flush(struct wpa_supplicant * wpa_s)6505 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6506 {
6507 	os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6508 	wpa_s->force_long_sd = 0;
6509 	wpas_p2p_stop_find(wpa_s);
6510 	wpa_s->parent->p2ps_method_config_any = 0;
6511 	if (wpa_s->global->p2p)
6512 		p2p_flush(wpa_s->global->p2p);
6513 }
6514 
6515 
p2p_ctrl_presence_req(struct wpa_supplicant * wpa_s,char * cmd)6516 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6517 {
6518 	char *pos, *pos2;
6519 	unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6520 
6521 	if (cmd[0]) {
6522 		pos = os_strchr(cmd, ' ');
6523 		if (pos == NULL)
6524 			return -1;
6525 		*pos++ = '\0';
6526 		dur1 = atoi(cmd);
6527 
6528 		pos2 = os_strchr(pos, ' ');
6529 		if (pos2)
6530 			*pos2++ = '\0';
6531 		int1 = atoi(pos);
6532 	} else
6533 		pos2 = NULL;
6534 
6535 	if (pos2) {
6536 		pos = os_strchr(pos2, ' ');
6537 		if (pos == NULL)
6538 			return -1;
6539 		*pos++ = '\0';
6540 		dur2 = atoi(pos2);
6541 		int2 = atoi(pos);
6542 	}
6543 
6544 	return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6545 }
6546 
6547 
p2p_ctrl_ext_listen(struct wpa_supplicant * wpa_s,char * cmd)6548 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6549 {
6550 	char *pos;
6551 	unsigned int period = 0, interval = 0;
6552 
6553 	if (cmd[0]) {
6554 		pos = os_strchr(cmd, ' ');
6555 		if (pos == NULL)
6556 			return -1;
6557 		*pos++ = '\0';
6558 		period = atoi(cmd);
6559 		interval = atoi(pos);
6560 	}
6561 
6562 	return wpas_p2p_ext_listen(wpa_s, period, interval);
6563 }
6564 
6565 
p2p_ctrl_remove_client(struct wpa_supplicant * wpa_s,const char * cmd)6566 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6567 {
6568 	const char *pos;
6569 	u8 peer[ETH_ALEN];
6570 	int iface_addr = 0;
6571 
6572 	pos = cmd;
6573 	if (os_strncmp(pos, "iface=", 6) == 0) {
6574 		iface_addr = 1;
6575 		pos += 6;
6576 	}
6577 	if (hwaddr_aton(pos, peer))
6578 		return -1;
6579 
6580 	wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6581 	return 0;
6582 }
6583 
6584 
p2p_ctrl_iface_p2p_lo_start(struct wpa_supplicant * wpa_s,char * cmd)6585 static int p2p_ctrl_iface_p2p_lo_start(struct wpa_supplicant *wpa_s, char *cmd)
6586 {
6587 	int freq = 0, period = 0, interval = 0, count = 0;
6588 
6589 	if (sscanf(cmd, "%d %d %d %d", &freq, &period, &interval, &count) != 4)
6590 	{
6591 		wpa_printf(MSG_DEBUG,
6592 			   "CTRL: Invalid P2P LO Start parameter: '%s'", cmd);
6593 		return -1;
6594 	}
6595 
6596 	return wpas_p2p_lo_start(wpa_s, freq, period, interval, count);
6597 }
6598 
6599 #endif /* CONFIG_P2P */
6600 
6601 
freq_range_to_channel_list(struct wpa_supplicant * wpa_s,char * val)6602 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6603 {
6604 	struct wpa_freq_range_list ranges;
6605 	int *freqs = NULL;
6606 	struct hostapd_hw_modes *mode;
6607 	u16 i;
6608 
6609 	if (wpa_s->hw.modes == NULL)
6610 		return NULL;
6611 
6612 	os_memset(&ranges, 0, sizeof(ranges));
6613 	if (freq_range_list_parse(&ranges, val) < 0)
6614 		return NULL;
6615 
6616 	for (i = 0; i < wpa_s->hw.num_modes; i++) {
6617 		int j;
6618 
6619 		mode = &wpa_s->hw.modes[i];
6620 		for (j = 0; j < mode->num_channels; j++) {
6621 			unsigned int freq;
6622 
6623 			if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6624 				continue;
6625 
6626 			freq = mode->channels[j].freq;
6627 			if (!freq_range_list_includes(&ranges, freq))
6628 				continue;
6629 
6630 			int_array_add_unique(&freqs, freq);
6631 		}
6632 	}
6633 
6634 	os_free(ranges.range);
6635 	return freqs;
6636 }
6637 
6638 
6639 #ifdef CONFIG_INTERWORKING
6640 
ctrl_interworking_select(struct wpa_supplicant * wpa_s,char * param)6641 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
6642 {
6643 	int auto_sel = 0;
6644 	int *freqs = NULL;
6645 
6646 	if (param) {
6647 		char *pos;
6648 
6649 		auto_sel = os_strstr(param, "auto") != NULL;
6650 
6651 		pos = os_strstr(param, "freq=");
6652 		if (pos) {
6653 			freqs = freq_range_to_channel_list(wpa_s, pos + 5);
6654 			if (freqs == NULL)
6655 				return -1;
6656 		}
6657 
6658 	}
6659 
6660 	return interworking_select(wpa_s, auto_sel, freqs);
6661 }
6662 
6663 
ctrl_interworking_connect(struct wpa_supplicant * wpa_s,char * dst,int only_add)6664 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
6665 				     int only_add)
6666 {
6667 	u8 bssid[ETH_ALEN];
6668 	struct wpa_bss *bss;
6669 
6670 	if (hwaddr_aton(dst, bssid)) {
6671 		wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
6672 		return -1;
6673 	}
6674 
6675 	bss = wpa_bss_get_bssid(wpa_s, bssid);
6676 	if (bss == NULL) {
6677 		wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
6678 			   MAC2STR(bssid));
6679 		return -1;
6680 	}
6681 
6682 	if (bss->ssid_len == 0) {
6683 		int found = 0;
6684 
6685 		wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
6686 			   " does not have SSID information", MAC2STR(bssid));
6687 
6688 		dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
6689 					 list) {
6690 			if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
6691 			    bss->ssid_len > 0) {
6692 				found = 1;
6693 				break;
6694 			}
6695 		}
6696 
6697 		if (!found)
6698 			return -1;
6699 		wpa_printf(MSG_DEBUG,
6700 			   "Found another matching BSS entry with SSID");
6701 	}
6702 
6703 	return interworking_connect(wpa_s, bss, only_add);
6704 }
6705 
6706 
get_anqp(struct wpa_supplicant * wpa_s,char * dst)6707 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
6708 {
6709 	u8 dst_addr[ETH_ALEN];
6710 	int used;
6711 	char *pos;
6712 #define MAX_ANQP_INFO_ID 100
6713 	u16 id[MAX_ANQP_INFO_ID];
6714 	size_t num_id = 0;
6715 	u32 subtypes = 0;
6716 	int get_cell_pref = 0;
6717 
6718 	used = hwaddr_aton2(dst, dst_addr);
6719 	if (used < 0)
6720 		return -1;
6721 	pos = dst + used;
6722 	if (*pos == ' ')
6723 		pos++;
6724 	while (num_id < MAX_ANQP_INFO_ID) {
6725 		if (os_strncmp(pos, "hs20:", 5) == 0) {
6726 #ifdef CONFIG_HS20
6727 			int num = atoi(pos + 5);
6728 			if (num <= 0 || num > 31)
6729 				return -1;
6730 			subtypes |= BIT(num);
6731 #else /* CONFIG_HS20 */
6732 			return -1;
6733 #endif /* CONFIG_HS20 */
6734 		} else if (os_strncmp(pos, "mbo:", 4) == 0) {
6735 #ifdef CONFIG_MBO
6736 			int num = atoi(pos + 4);
6737 			if (num != MBO_ANQP_SUBTYPE_CELL_CONN_PREF)
6738 				return -1;
6739 			get_cell_pref = 1;
6740 #else /* CONFIG_MBO */
6741 			return -1;
6742 #endif /* CONFIG_MBO */
6743 		} else {
6744 			id[num_id] = atoi(pos);
6745 			if (id[num_id])
6746 				num_id++;
6747 		}
6748 		pos = os_strchr(pos + 1, ',');
6749 		if (pos == NULL)
6750 			break;
6751 		pos++;
6752 	}
6753 
6754 	if (num_id == 0)
6755 		return -1;
6756 
6757 	return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes,
6758 			     get_cell_pref);
6759 }
6760 
6761 
gas_request(struct wpa_supplicant * wpa_s,char * cmd)6762 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
6763 {
6764 	u8 dst_addr[ETH_ALEN];
6765 	struct wpabuf *advproto, *query = NULL;
6766 	int used, ret = -1;
6767 	char *pos, *end;
6768 	size_t len;
6769 
6770 	used = hwaddr_aton2(cmd, dst_addr);
6771 	if (used < 0)
6772 		return -1;
6773 
6774 	pos = cmd + used;
6775 	while (*pos == ' ')
6776 		pos++;
6777 
6778 	/* Advertisement Protocol ID */
6779 	end = os_strchr(pos, ' ');
6780 	if (end)
6781 		len = end - pos;
6782 	else
6783 		len = os_strlen(pos);
6784 	if (len & 0x01)
6785 		return -1;
6786 	len /= 2;
6787 	if (len == 0)
6788 		return -1;
6789 	advproto = wpabuf_alloc(len);
6790 	if (advproto == NULL)
6791 		return -1;
6792 	if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
6793 		goto fail;
6794 
6795 	if (end) {
6796 		/* Optional Query Request */
6797 		pos = end + 1;
6798 		while (*pos == ' ')
6799 			pos++;
6800 
6801 		len = os_strlen(pos);
6802 		if (len) {
6803 			if (len & 0x01)
6804 				goto fail;
6805 			len /= 2;
6806 			if (len == 0)
6807 				goto fail;
6808 			query = wpabuf_alloc(len);
6809 			if (query == NULL)
6810 				goto fail;
6811 			if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
6812 				goto fail;
6813 		}
6814 	}
6815 
6816 	ret = gas_send_request(wpa_s, dst_addr, advproto, query);
6817 
6818 fail:
6819 	wpabuf_free(advproto);
6820 	wpabuf_free(query);
6821 
6822 	return ret;
6823 }
6824 
6825 
gas_response_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)6826 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
6827 			    size_t buflen)
6828 {
6829 	u8 addr[ETH_ALEN];
6830 	int dialog_token;
6831 	int used;
6832 	char *pos;
6833 	size_t resp_len, start, requested_len;
6834 	struct wpabuf *resp;
6835 	int ret;
6836 
6837 	used = hwaddr_aton2(cmd, addr);
6838 	if (used < 0)
6839 		return -1;
6840 
6841 	pos = cmd + used;
6842 	while (*pos == ' ')
6843 		pos++;
6844 	dialog_token = atoi(pos);
6845 
6846 	if (wpa_s->last_gas_resp &&
6847 	    os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
6848 	    dialog_token == wpa_s->last_gas_dialog_token)
6849 		resp = wpa_s->last_gas_resp;
6850 	else if (wpa_s->prev_gas_resp &&
6851 		 os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
6852 		 dialog_token == wpa_s->prev_gas_dialog_token)
6853 		resp = wpa_s->prev_gas_resp;
6854 	else
6855 		return -1;
6856 
6857 	resp_len = wpabuf_len(resp);
6858 	start = 0;
6859 	requested_len = resp_len;
6860 
6861 	pos = os_strchr(pos, ' ');
6862 	if (pos) {
6863 		start = atoi(pos);
6864 		if (start > resp_len)
6865 			return os_snprintf(buf, buflen, "FAIL-Invalid range");
6866 		pos = os_strchr(pos, ',');
6867 		if (pos == NULL)
6868 			return -1;
6869 		pos++;
6870 		requested_len = atoi(pos);
6871 		if (start + requested_len > resp_len)
6872 			return os_snprintf(buf, buflen, "FAIL-Invalid range");
6873 	}
6874 
6875 	if (requested_len * 2 + 1 > buflen)
6876 		return os_snprintf(buf, buflen, "FAIL-Too long response");
6877 
6878 	ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
6879 			       requested_len);
6880 
6881 	if (start + requested_len == resp_len) {
6882 		/*
6883 		 * Free memory by dropping the response after it has been
6884 		 * fetched.
6885 		 */
6886 		if (resp == wpa_s->prev_gas_resp) {
6887 			wpabuf_free(wpa_s->prev_gas_resp);
6888 			wpa_s->prev_gas_resp = NULL;
6889 		} else {
6890 			wpabuf_free(wpa_s->last_gas_resp);
6891 			wpa_s->last_gas_resp = NULL;
6892 		}
6893 	}
6894 
6895 	return ret;
6896 }
6897 #endif /* CONFIG_INTERWORKING */
6898 
6899 
6900 #ifdef CONFIG_HS20
6901 
get_hs20_anqp(struct wpa_supplicant * wpa_s,char * dst)6902 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
6903 {
6904 	u8 dst_addr[ETH_ALEN];
6905 	int used;
6906 	char *pos;
6907 	u32 subtypes = 0;
6908 
6909 	used = hwaddr_aton2(dst, dst_addr);
6910 	if (used < 0)
6911 		return -1;
6912 	pos = dst + used;
6913 	if (*pos == ' ')
6914 		pos++;
6915 	for (;;) {
6916 		int num = atoi(pos);
6917 		if (num <= 0 || num > 31)
6918 			return -1;
6919 		subtypes |= BIT(num);
6920 		pos = os_strchr(pos + 1, ',');
6921 		if (pos == NULL)
6922 			break;
6923 		pos++;
6924 	}
6925 
6926 	if (subtypes == 0)
6927 		return -1;
6928 
6929 	return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0, 0);
6930 }
6931 
6932 
hs20_nai_home_realm_list(struct wpa_supplicant * wpa_s,const u8 * addr,const char * realm)6933 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6934 				    const u8 *addr, const char *realm)
6935 {
6936 	u8 *buf;
6937 	size_t rlen, len;
6938 	int ret;
6939 
6940 	rlen = os_strlen(realm);
6941 	len = 3 + rlen;
6942 	buf = os_malloc(len);
6943 	if (buf == NULL)
6944 		return -1;
6945 	buf[0] = 1; /* NAI Home Realm Count */
6946 	buf[1] = 0; /* Formatted in accordance with RFC 4282 */
6947 	buf[2] = rlen;
6948 	os_memcpy(buf + 3, realm, rlen);
6949 
6950 	ret = hs20_anqp_send_req(wpa_s, addr,
6951 				 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6952 				 buf, len, 0);
6953 
6954 	os_free(buf);
6955 
6956 	return ret;
6957 }
6958 
6959 
hs20_get_nai_home_realm_list(struct wpa_supplicant * wpa_s,char * dst)6960 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
6961 					char *dst)
6962 {
6963 	struct wpa_cred *cred = wpa_s->conf->cred;
6964 	u8 dst_addr[ETH_ALEN];
6965 	int used;
6966 	u8 *buf;
6967 	size_t len;
6968 	int ret;
6969 
6970 	used = hwaddr_aton2(dst, dst_addr);
6971 	if (used < 0)
6972 		return -1;
6973 
6974 	while (dst[used] == ' ')
6975 		used++;
6976 	if (os_strncmp(dst + used, "realm=", 6) == 0)
6977 		return hs20_nai_home_realm_list(wpa_s, dst_addr,
6978 						dst + used + 6);
6979 
6980 	len = os_strlen(dst + used);
6981 
6982 	if (len == 0 && cred && cred->realm)
6983 		return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
6984 
6985 	if (len & 1)
6986 		return -1;
6987 	len /= 2;
6988 	buf = os_malloc(len);
6989 	if (buf == NULL)
6990 		return -1;
6991 	if (hexstr2bin(dst + used, buf, len) < 0) {
6992 		os_free(buf);
6993 		return -1;
6994 	}
6995 
6996 	ret = hs20_anqp_send_req(wpa_s, dst_addr,
6997 				 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
6998 				 buf, len, 0);
6999 	os_free(buf);
7000 
7001 	return ret;
7002 }
7003 
7004 
get_hs20_icon(struct wpa_supplicant * wpa_s,char * cmd,char * reply,int buflen)7005 static int get_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd, char *reply,
7006 			 int buflen)
7007 {
7008 	u8 dst_addr[ETH_ALEN];
7009 	int used;
7010 	char *ctx = NULL, *icon, *poffset, *psize;
7011 
7012 	used = hwaddr_aton2(cmd, dst_addr);
7013 	if (used < 0)
7014 		return -1;
7015 	cmd += used;
7016 
7017 	icon = str_token(cmd, " ", &ctx);
7018 	poffset = str_token(cmd, " ", &ctx);
7019 	psize = str_token(cmd, " ", &ctx);
7020 	if (!icon || !poffset || !psize)
7021 		return -1;
7022 
7023 	wpa_s->fetch_osu_icon_in_progress = 0;
7024 	return hs20_get_icon(wpa_s, dst_addr, icon, atoi(poffset), atoi(psize),
7025 			     reply, buflen);
7026 }
7027 
7028 
del_hs20_icon(struct wpa_supplicant * wpa_s,char * cmd)7029 static int del_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd)
7030 {
7031 	u8 dst_addr[ETH_ALEN];
7032 	int used;
7033 	char *icon;
7034 
7035 	if (!cmd[0])
7036 		return hs20_del_icon(wpa_s, NULL, NULL);
7037 
7038 	used = hwaddr_aton2(cmd, dst_addr);
7039 	if (used < 0)
7040 		return -1;
7041 
7042 	while (cmd[used] == ' ')
7043 		used++;
7044 	icon = cmd[used] ? &cmd[used] : NULL;
7045 
7046 	return hs20_del_icon(wpa_s, dst_addr, icon);
7047 }
7048 
7049 
hs20_icon_request(struct wpa_supplicant * wpa_s,char * cmd,int inmem)7050 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd, int inmem)
7051 {
7052 	u8 dst_addr[ETH_ALEN];
7053 	int used;
7054 	char *icon;
7055 
7056 	used = hwaddr_aton2(cmd, dst_addr);
7057 	if (used < 0)
7058 		return -1;
7059 
7060 	while (cmd[used] == ' ')
7061 		used++;
7062 	icon = &cmd[used];
7063 
7064 	wpa_s->fetch_osu_icon_in_progress = 0;
7065 	return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
7066 				  (u8 *) icon, os_strlen(icon), inmem);
7067 }
7068 
7069 #endif /* CONFIG_HS20 */
7070 
7071 
7072 #ifdef CONFIG_AUTOSCAN
7073 
wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant * wpa_s,char * cmd)7074 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
7075 					      char *cmd)
7076 {
7077 	enum wpa_states state = wpa_s->wpa_state;
7078 	char *new_params = NULL;
7079 
7080 	if (os_strlen(cmd) > 0) {
7081 		new_params = os_strdup(cmd);
7082 		if (new_params == NULL)
7083 			return -1;
7084 	}
7085 
7086 	os_free(wpa_s->conf->autoscan);
7087 	wpa_s->conf->autoscan = new_params;
7088 
7089 	if (wpa_s->conf->autoscan == NULL)
7090 		autoscan_deinit(wpa_s);
7091 	else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
7092 		autoscan_init(wpa_s, 1);
7093 	else if (state == WPA_SCANNING)
7094 		wpa_supplicant_reinit_autoscan(wpa_s);
7095 	else
7096 		wpa_printf(MSG_DEBUG, "No autoscan update in state %s",
7097 			   wpa_supplicant_state_txt(state));
7098 
7099 	return 0;
7100 }
7101 
7102 #endif /* CONFIG_AUTOSCAN */
7103 
7104 
7105 #ifdef CONFIG_WNM
7106 
wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant * wpa_s,char * cmd)7107 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
7108 {
7109 	int enter;
7110 	int intval = 0;
7111 	char *pos;
7112 	int ret;
7113 	struct wpabuf *tfs_req = NULL;
7114 
7115 	if (os_strncmp(cmd, "enter", 5) == 0)
7116 		enter = 1;
7117 	else if (os_strncmp(cmd, "exit", 4) == 0)
7118 		enter = 0;
7119 	else
7120 		return -1;
7121 
7122 	pos = os_strstr(cmd, " interval=");
7123 	if (pos)
7124 		intval = atoi(pos + 10);
7125 
7126 	pos = os_strstr(cmd, " tfs_req=");
7127 	if (pos) {
7128 		char *end;
7129 		size_t len;
7130 		pos += 9;
7131 		end = os_strchr(pos, ' ');
7132 		if (end)
7133 			len = end - pos;
7134 		else
7135 			len = os_strlen(pos);
7136 		if (len & 1)
7137 			return -1;
7138 		len /= 2;
7139 		tfs_req = wpabuf_alloc(len);
7140 		if (tfs_req == NULL)
7141 			return -1;
7142 		if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
7143 			wpabuf_free(tfs_req);
7144 			return -1;
7145 		}
7146 	}
7147 
7148 	ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
7149 					   WNM_SLEEP_MODE_EXIT, intval,
7150 					   tfs_req);
7151 	wpabuf_free(tfs_req);
7152 
7153 	return ret;
7154 }
7155 
7156 
wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant * wpa_s,char * cmd)7157 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
7158 {
7159 	int query_reason, list = 0;
7160 
7161 	query_reason = atoi(cmd);
7162 
7163 	cmd = os_strchr(cmd, ' ');
7164 	if (cmd) {
7165 		cmd++;
7166 		if (os_strncmp(cmd, "list", 4) == 0) {
7167 			list = 1;
7168 		} else {
7169 			wpa_printf(MSG_DEBUG, "WNM Query: Invalid option %s",
7170 				   cmd);
7171 			return -1;
7172 		}
7173 	}
7174 
7175 	wpa_printf(MSG_DEBUG,
7176 		   "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d%s",
7177 		   query_reason, list ? " candidate list" : "");
7178 
7179 	return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason, list);
7180 }
7181 
7182 #endif /* CONFIG_WNM */
7183 
7184 
wpa_supplicant_signal_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)7185 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
7186 				      size_t buflen)
7187 {
7188 	struct wpa_signal_info si;
7189 	int ret;
7190 	char *pos, *end;
7191 
7192 	ret = wpa_drv_signal_poll(wpa_s, &si);
7193 	if (ret)
7194 		return -1;
7195 
7196 	pos = buf;
7197 	end = buf + buflen;
7198 
7199 	ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
7200 			  "NOISE=%d\nFREQUENCY=%u\n",
7201 			  si.current_signal, si.current_txrate / 1000,
7202 			  si.current_noise, si.frequency);
7203 	if (os_snprintf_error(end - pos, ret))
7204 		return -1;
7205 	pos += ret;
7206 
7207 	if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
7208 		ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
7209 				  channel_width_to_string(si.chanwidth));
7210 		if (os_snprintf_error(end - pos, ret))
7211 			return -1;
7212 		pos += ret;
7213 	}
7214 
7215 	if (si.center_frq1 > 0 && si.center_frq2 > 0) {
7216 		ret = os_snprintf(pos, end - pos,
7217 				  "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
7218 				  si.center_frq1, si.center_frq2);
7219 		if (os_snprintf_error(end - pos, ret))
7220 			return -1;
7221 		pos += ret;
7222 	}
7223 
7224 	if (si.avg_signal) {
7225 		ret = os_snprintf(pos, end - pos,
7226 				  "AVG_RSSI=%d\n", si.avg_signal);
7227 		if (os_snprintf_error(end - pos, ret))
7228 			return -1;
7229 		pos += ret;
7230 	}
7231 
7232 	if (si.avg_beacon_signal) {
7233 		ret = os_snprintf(pos, end - pos,
7234 				  "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
7235 		if (os_snprintf_error(end - pos, ret))
7236 			return -1;
7237 		pos += ret;
7238 	}
7239 
7240 	return pos - buf;
7241 }
7242 
7243 
wpas_ctrl_iface_signal_monitor(struct wpa_supplicant * wpa_s,const char * cmd)7244 static int wpas_ctrl_iface_signal_monitor(struct wpa_supplicant *wpa_s,
7245 					  const char *cmd)
7246 {
7247 	const char *pos;
7248 	int threshold = 0;
7249 	int hysteresis = 0;
7250 
7251 	if (wpa_s->bgscan && wpa_s->bgscan_priv) {
7252 		wpa_printf(MSG_DEBUG,
7253 			   "Reject SIGNAL_MONITOR command - bgscan is active");
7254 		return -1;
7255 	}
7256 	pos = os_strstr(cmd, "THRESHOLD=");
7257 	if (pos)
7258 		threshold = atoi(pos + 10);
7259 	pos = os_strstr(cmd, "HYSTERESIS=");
7260 	if (pos)
7261 		hysteresis = atoi(pos + 11);
7262 	return wpa_drv_signal_monitor(wpa_s, threshold, hysteresis);
7263 }
7264 
7265 
7266 #ifdef CONFIG_TESTING_OPTIONS
wpas_ctrl_iface_get_pref_freq_list_override(struct wpa_supplicant * wpa_s,enum wpa_driver_if_type if_type,unsigned int * num,unsigned int * freq_list)7267 int wpas_ctrl_iface_get_pref_freq_list_override(struct wpa_supplicant *wpa_s,
7268 						enum wpa_driver_if_type if_type,
7269 						unsigned int *num,
7270 						unsigned int *freq_list)
7271 {
7272 	char *pos = wpa_s->get_pref_freq_list_override;
7273 	char *end;
7274 	unsigned int count = 0;
7275 
7276 	/* Override string format:
7277 	 *  <if_type1>:<freq1>,<freq2>,... <if_type2>:... */
7278 
7279 	while (pos) {
7280 		if (atoi(pos) == (int) if_type)
7281 			break;
7282 		pos = os_strchr(pos, ' ');
7283 		if (pos)
7284 			pos++;
7285 	}
7286 	if (!pos)
7287 		return -1;
7288 	pos = os_strchr(pos, ':');
7289 	if (!pos)
7290 		return -1;
7291 	pos++;
7292 	end = os_strchr(pos, ' ');
7293 	while (pos && (!end || pos < end) && count < *num) {
7294 		freq_list[count++] = atoi(pos);
7295 		pos = os_strchr(pos, ',');
7296 		if (pos)
7297 			pos++;
7298 	}
7299 
7300 	*num = count;
7301 	return 0;
7302 }
7303 #endif /* CONFIG_TESTING_OPTIONS */
7304 
7305 
wpas_ctrl_iface_get_pref_freq_list(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7306 static int wpas_ctrl_iface_get_pref_freq_list(
7307 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
7308 {
7309 	unsigned int freq_list[100], num = 100, i;
7310 	int ret;
7311 	enum wpa_driver_if_type iface_type;
7312 	char *pos, *end;
7313 
7314 	pos = buf;
7315 	end = buf + buflen;
7316 
7317 	/* buf: "<interface_type>" */
7318 	if (os_strcmp(cmd, "STATION") == 0)
7319 		iface_type = WPA_IF_STATION;
7320 	else if (os_strcmp(cmd, "AP") == 0)
7321 		iface_type = WPA_IF_AP_BSS;
7322 	else if (os_strcmp(cmd, "P2P_GO") == 0)
7323 		iface_type = WPA_IF_P2P_GO;
7324 	else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
7325 		iface_type = WPA_IF_P2P_CLIENT;
7326 	else if (os_strcmp(cmd, "IBSS") == 0)
7327 		iface_type = WPA_IF_IBSS;
7328 	else if (os_strcmp(cmd, "TDLS") == 0)
7329 		iface_type = WPA_IF_TDLS;
7330 	else
7331 		return -1;
7332 
7333 	wpa_printf(MSG_DEBUG,
7334 		   "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
7335 		   iface_type, buf);
7336 
7337 	ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
7338 	if (ret)
7339 		return -1;
7340 
7341 	for (i = 0; i < num; i++) {
7342 		ret = os_snprintf(pos, end - pos, "%s%u",
7343 				  i > 0 ? "," : "", freq_list[i]);
7344 		if (os_snprintf_error(end - pos, ret))
7345 			return -1;
7346 		pos += ret;
7347 	}
7348 
7349 	return pos - buf;
7350 }
7351 
7352 
wpas_ctrl_iface_driver_flags(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)7353 static int wpas_ctrl_iface_driver_flags(struct wpa_supplicant *wpa_s,
7354 					char *buf, size_t buflen)
7355 {
7356 	int ret, i;
7357 	char *pos, *end;
7358 
7359 	ret = os_snprintf(buf, buflen, "%016llX:\n",
7360 			  (long long unsigned) wpa_s->drv_flags);
7361 	if (os_snprintf_error(buflen, ret))
7362 		return -1;
7363 
7364 	pos = buf + ret;
7365 	end = buf + buflen;
7366 
7367 	for (i = 0; i < 64; i++) {
7368 		if (wpa_s->drv_flags & (1LLU << i)) {
7369 			ret = os_snprintf(pos, end - pos, "%s\n",
7370 					  driver_flag_to_string(1LLU << i));
7371 			if (os_snprintf_error(end - pos, ret))
7372 				return -1;
7373 			pos += ret;
7374 		}
7375 	}
7376 
7377 	return pos - buf;
7378 }
7379 
7380 
wpa_supplicant_pktcnt_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)7381 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
7382 				      size_t buflen)
7383 {
7384 	struct hostap_sta_driver_data sta;
7385 	int ret;
7386 
7387 	ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
7388 	if (ret)
7389 		return -1;
7390 
7391 	ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
7392 			  sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
7393 	if (os_snprintf_error(buflen, ret))
7394 		return -1;
7395 	return ret;
7396 }
7397 
7398 
7399 #ifdef ANDROID
wpa_supplicant_driver_cmd(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7400 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7401 				     char *buf, size_t buflen)
7402 {
7403 	int ret;
7404 
7405 	ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
7406 	if (ret == 0) {
7407 		if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
7408 			struct p2p_data *p2p = wpa_s->global->p2p;
7409 			if (p2p) {
7410 				char country[3];
7411 				country[0] = cmd[8];
7412 				country[1] = cmd[9];
7413 				country[2] = 0x04;
7414 				p2p_set_country(p2p, country);
7415 			}
7416 		}
7417 		ret = os_snprintf(buf, buflen, "%s\n", "OK");
7418 		if (os_snprintf_error(buflen, ret))
7419 			ret = -1;
7420 	}
7421 	return ret;
7422 }
7423 #endif /* ANDROID */
7424 
7425 
wpa_supplicant_vendor_cmd(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7426 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7427 				     char *buf, size_t buflen)
7428 {
7429 	int ret;
7430 	char *pos;
7431 	u8 *data = NULL;
7432 	unsigned int vendor_id, subcmd;
7433 	struct wpabuf *reply;
7434 	size_t data_len = 0;
7435 
7436 	/* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
7437 	vendor_id = strtoul(cmd, &pos, 16);
7438 	if (!isblank((unsigned char) *pos))
7439 		return -EINVAL;
7440 
7441 	subcmd = strtoul(pos, &pos, 10);
7442 
7443 	if (*pos != '\0') {
7444 		if (!isblank((unsigned char) *pos++))
7445 			return -EINVAL;
7446 		data_len = os_strlen(pos);
7447 	}
7448 
7449 	if (data_len) {
7450 		data_len /= 2;
7451 		data = os_malloc(data_len);
7452 		if (!data)
7453 			return -1;
7454 
7455 		if (hexstr2bin(pos, data, data_len)) {
7456 			wpa_printf(MSG_DEBUG,
7457 				   "Vendor command: wrong parameter format");
7458 			os_free(data);
7459 			return -EINVAL;
7460 		}
7461 	}
7462 
7463 	reply = wpabuf_alloc((buflen - 1) / 2);
7464 	if (!reply) {
7465 		os_free(data);
7466 		return -1;
7467 	}
7468 
7469 	ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
7470 				 reply);
7471 
7472 	if (ret == 0)
7473 		ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
7474 				       wpabuf_len(reply));
7475 
7476 	wpabuf_free(reply);
7477 	os_free(data);
7478 
7479 	return ret;
7480 }
7481 
7482 
wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant * wpa_s)7483 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
7484 {
7485 #ifdef CONFIG_P2P
7486 	struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
7487 		wpa_s->global->p2p_init_wpa_s : wpa_s;
7488 #endif /* CONFIG_P2P */
7489 
7490 	wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
7491 
7492 	if (wpas_abort_ongoing_scan(wpa_s) == 0)
7493 		wpa_s->ignore_post_flush_scan_res = 1;
7494 
7495 	if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
7496 		/*
7497 		 * Avoid possible auto connect re-connection on getting
7498 		 * disconnected due to state flush.
7499 		 */
7500 		wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
7501 	}
7502 
7503 #ifdef CONFIG_P2P
7504 	wpas_p2p_group_remove(p2p_wpa_s, "*");
7505 	wpas_p2p_cancel(p2p_wpa_s);
7506 	p2p_ctrl_flush(p2p_wpa_s);
7507 	wpas_p2p_service_flush(p2p_wpa_s);
7508 	p2p_wpa_s->global->p2p_disabled = 0;
7509 	p2p_wpa_s->global->p2p_per_sta_psk = 0;
7510 	p2p_wpa_s->conf->num_sec_device_types = 0;
7511 	p2p_wpa_s->p2p_disable_ip_addr_req = 0;
7512 	os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
7513 	p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
7514 	p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
7515 	p2p_wpa_s->global->pending_p2ps_group = 0;
7516 	p2p_wpa_s->global->pending_p2ps_group_freq = 0;
7517 #endif /* CONFIG_P2P */
7518 
7519 #ifdef CONFIG_WPS_TESTING
7520 	wps_version_number = 0x20;
7521 	wps_testing_dummy_cred = 0;
7522 	wps_corrupt_pkhash = 0;
7523 	wps_force_auth_types_in_use = 0;
7524 	wps_force_encr_types_in_use = 0;
7525 #endif /* CONFIG_WPS_TESTING */
7526 #ifdef CONFIG_WPS
7527 	wpa_s->wps_fragment_size = 0;
7528 	wpas_wps_cancel(wpa_s);
7529 	wps_registrar_flush(wpa_s->wps->registrar);
7530 #endif /* CONFIG_WPS */
7531 	wpa_s->after_wps = 0;
7532 	wpa_s->known_wps_freq = 0;
7533 
7534 #ifdef CONFIG_TDLS
7535 #ifdef CONFIG_TDLS_TESTING
7536 	tdls_testing = 0;
7537 #endif /* CONFIG_TDLS_TESTING */
7538 	wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
7539 	wpa_tdls_enable(wpa_s->wpa, 1);
7540 #endif /* CONFIG_TDLS */
7541 
7542 	eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
7543 	wpa_supplicant_stop_countermeasures(wpa_s, NULL);
7544 
7545 	wpa_s->no_keep_alive = 0;
7546 	wpa_s->own_disconnect_req = 0;
7547 
7548 	os_free(wpa_s->disallow_aps_bssid);
7549 	wpa_s->disallow_aps_bssid = NULL;
7550 	wpa_s->disallow_aps_bssid_count = 0;
7551 	os_free(wpa_s->disallow_aps_ssid);
7552 	wpa_s->disallow_aps_ssid = NULL;
7553 	wpa_s->disallow_aps_ssid_count = 0;
7554 
7555 	wpa_s->set_sta_uapsd = 0;
7556 	wpa_s->sta_uapsd = 0;
7557 
7558 	wpa_drv_radio_disable(wpa_s, 0);
7559 	wpa_blacklist_clear(wpa_s);
7560 	wpa_s->extra_blacklist_count = 0;
7561 	wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
7562 	wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
7563 	wpa_config_flush_blobs(wpa_s->conf);
7564 	wpa_s->conf->auto_interworking = 0;
7565 	wpa_s->conf->okc = 0;
7566 
7567 	wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7568 	rsn_preauth_deinit(wpa_s->wpa);
7569 
7570 	wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
7571 	wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
7572 	wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
7573 	eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7574 
7575 	radio_remove_works(wpa_s, NULL, 1);
7576 	wpa_s->ext_work_in_progress = 0;
7577 
7578 	wpa_s->next_ssid = NULL;
7579 
7580 #ifdef CONFIG_INTERWORKING
7581 #ifdef CONFIG_HS20
7582 	hs20_cancel_fetch_osu(wpa_s);
7583 	hs20_del_icon(wpa_s, NULL, NULL);
7584 #endif /* CONFIG_HS20 */
7585 #endif /* CONFIG_INTERWORKING */
7586 
7587 	wpa_s->ext_mgmt_frame_handling = 0;
7588 	wpa_s->ext_eapol_frame_io = 0;
7589 #ifdef CONFIG_TESTING_OPTIONS
7590 	wpa_s->extra_roc_dur = 0;
7591 	wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
7592 	wpa_s->p2p_go_csa_on_inv = 0;
7593 	wpa_s->ignore_auth_resp = 0;
7594 	wpa_s->ignore_assoc_disallow = 0;
7595 	wpa_s->reject_btm_req_reason = 0;
7596 	wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
7597 	os_free(wpa_s->get_pref_freq_list_override);
7598 	wpa_s->get_pref_freq_list_override = NULL;
7599 #endif /* CONFIG_TESTING_OPTIONS */
7600 
7601 	wpa_s->disconnected = 0;
7602 	os_free(wpa_s->next_scan_freqs);
7603 	wpa_s->next_scan_freqs = NULL;
7604 
7605 	wpa_bss_flush(wpa_s);
7606 	if (!dl_list_empty(&wpa_s->bss)) {
7607 		wpa_printf(MSG_DEBUG,
7608 			   "BSS table not empty after flush: %u entries, current_bss=%p bssid="
7609 			   MACSTR " pending_bssid=" MACSTR,
7610 			   dl_list_len(&wpa_s->bss), wpa_s->current_bss,
7611 			   MAC2STR(wpa_s->bssid),
7612 			   MAC2STR(wpa_s->pending_bssid));
7613 	}
7614 
7615 	eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
7616 	wpa_s->wnmsleep_used = 0;
7617 
7618 #ifdef CONFIG_SME
7619 	wpa_s->sme.last_unprot_disconnect.sec = 0;
7620 #endif /* CONFIG_SME */
7621 
7622 	wpabuf_free(wpa_s->ric_ies);
7623 	wpa_s->ric_ies = NULL;
7624 }
7625 
7626 
wpas_ctrl_radio_work_show(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)7627 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
7628 				     char *buf, size_t buflen)
7629 {
7630 	struct wpa_radio_work *work;
7631 	char *pos, *end;
7632 	struct os_reltime now, diff;
7633 
7634 	pos = buf;
7635 	end = buf + buflen;
7636 
7637 	os_get_reltime(&now);
7638 
7639 	dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7640 	{
7641 		int ret;
7642 
7643 		os_reltime_sub(&now, &work->time, &diff);
7644 		ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
7645 				  work->type, work->wpa_s->ifname, work->freq,
7646 				  work->started, diff.sec, diff.usec);
7647 		if (os_snprintf_error(end - pos, ret))
7648 			break;
7649 		pos += ret;
7650 	}
7651 
7652 	return pos - buf;
7653 }
7654 
7655 
wpas_ctrl_radio_work_timeout(void * eloop_ctx,void * timeout_ctx)7656 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
7657 {
7658 	struct wpa_radio_work *work = eloop_ctx;
7659 	struct wpa_external_work *ework = work->ctx;
7660 
7661 	wpa_dbg(work->wpa_s, MSG_DEBUG,
7662 		"Timing out external radio work %u (%s)",
7663 		ework->id, work->type);
7664 	wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
7665 	work->wpa_s->ext_work_in_progress = 0;
7666 	radio_work_done(work);
7667 	os_free(ework);
7668 }
7669 
7670 
wpas_ctrl_radio_work_cb(struct wpa_radio_work * work,int deinit)7671 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
7672 {
7673 	struct wpa_external_work *ework = work->ctx;
7674 
7675 	if (deinit) {
7676 		if (work->started)
7677 			eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7678 					     work, NULL);
7679 
7680 		/*
7681 		 * work->type points to a buffer in ework, so need to replace
7682 		 * that here with a fixed string to avoid use of freed memory
7683 		 * in debug prints.
7684 		 */
7685 		work->type = "freed-ext-work";
7686 		work->ctx = NULL;
7687 		os_free(ework);
7688 		return;
7689 	}
7690 
7691 	wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
7692 		ework->id, ework->type);
7693 	wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
7694 	work->wpa_s->ext_work_in_progress = 1;
7695 	if (!ework->timeout)
7696 		ework->timeout = 10;
7697 	eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
7698 			       work, NULL);
7699 }
7700 
7701 
wpas_ctrl_radio_work_add(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7702 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
7703 				    char *buf, size_t buflen)
7704 {
7705 	struct wpa_external_work *ework;
7706 	char *pos, *pos2;
7707 	size_t type_len;
7708 	int ret;
7709 	unsigned int freq = 0;
7710 
7711 	/* format: <name> [freq=<MHz>] [timeout=<seconds>] */
7712 
7713 	ework = os_zalloc(sizeof(*ework));
7714 	if (ework == NULL)
7715 		return -1;
7716 
7717 	pos = os_strchr(cmd, ' ');
7718 	if (pos) {
7719 		type_len = pos - cmd;
7720 		pos++;
7721 
7722 		pos2 = os_strstr(pos, "freq=");
7723 		if (pos2)
7724 			freq = atoi(pos2 + 5);
7725 
7726 		pos2 = os_strstr(pos, "timeout=");
7727 		if (pos2)
7728 			ework->timeout = atoi(pos2 + 8);
7729 	} else {
7730 		type_len = os_strlen(cmd);
7731 	}
7732 	if (4 + type_len >= sizeof(ework->type))
7733 		type_len = sizeof(ework->type) - 4 - 1;
7734 	os_strlcpy(ework->type, "ext:", sizeof(ework->type));
7735 	os_memcpy(ework->type + 4, cmd, type_len);
7736 	ework->type[4 + type_len] = '\0';
7737 
7738 	wpa_s->ext_work_id++;
7739 	if (wpa_s->ext_work_id == 0)
7740 		wpa_s->ext_work_id++;
7741 	ework->id = wpa_s->ext_work_id;
7742 
7743 	if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
7744 			   ework) < 0) {
7745 		os_free(ework);
7746 		return -1;
7747 	}
7748 
7749 	ret = os_snprintf(buf, buflen, "%u", ework->id);
7750 	if (os_snprintf_error(buflen, ret))
7751 		return -1;
7752 	return ret;
7753 }
7754 
7755 
wpas_ctrl_radio_work_done(struct wpa_supplicant * wpa_s,char * cmd)7756 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
7757 {
7758 	struct wpa_radio_work *work;
7759 	unsigned int id = atoi(cmd);
7760 
7761 	dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
7762 	{
7763 		struct wpa_external_work *ework;
7764 
7765 		if (os_strncmp(work->type, "ext:", 4) != 0)
7766 			continue;
7767 		ework = work->ctx;
7768 		if (id && ework->id != id)
7769 			continue;
7770 		wpa_dbg(wpa_s, MSG_DEBUG,
7771 			"Completed external radio work %u (%s)",
7772 			ework->id, ework->type);
7773 		eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
7774 		wpa_s->ext_work_in_progress = 0;
7775 		radio_work_done(work);
7776 		os_free(ework);
7777 		return 3; /* "OK\n" */
7778 	}
7779 
7780 	return -1;
7781 }
7782 
7783 
wpas_ctrl_radio_work(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7784 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
7785 				char *buf, size_t buflen)
7786 {
7787 	if (os_strcmp(cmd, "show") == 0)
7788 		return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
7789 	if (os_strncmp(cmd, "add ", 4) == 0)
7790 		return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
7791 	if (os_strncmp(cmd, "done ", 5) == 0)
7792 		return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
7793 	return -1;
7794 }
7795 
7796 
wpas_ctrl_radio_work_flush(struct wpa_supplicant * wpa_s)7797 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
7798 {
7799 	struct wpa_radio_work *work, *tmp;
7800 
7801 	if (!wpa_s || !wpa_s->radio)
7802 		return;
7803 
7804 	dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
7805 			      struct wpa_radio_work, list) {
7806 		struct wpa_external_work *ework;
7807 
7808 		if (os_strncmp(work->type, "ext:", 4) != 0)
7809 			continue;
7810 		ework = work->ctx;
7811 		wpa_dbg(wpa_s, MSG_DEBUG,
7812 			"Flushing%s external radio work %u (%s)",
7813 			work->started ? " started" : "", ework->id,
7814 			ework->type);
7815 		if (work->started)
7816 			eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
7817 					     work, NULL);
7818 		radio_work_done(work);
7819 		os_free(ework);
7820 	}
7821 }
7822 
7823 
wpas_ctrl_eapol_response(void * eloop_ctx,void * timeout_ctx)7824 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
7825 {
7826 	struct wpa_supplicant *wpa_s = eloop_ctx;
7827 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
7828 }
7829 
7830 
scan_id_list_parse(struct wpa_supplicant * wpa_s,const char * value,unsigned int * scan_id_count,int scan_id[])7831 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
7832 			      unsigned int *scan_id_count, int scan_id[])
7833 {
7834 	const char *pos = value;
7835 
7836 	while (pos) {
7837 		if (*pos == ' ' || *pos == '\0')
7838 			break;
7839 		if (*scan_id_count == MAX_SCAN_ID)
7840 			return -1;
7841 		scan_id[(*scan_id_count)++] = atoi(pos);
7842 		pos = os_strchr(pos, ',');
7843 		if (pos)
7844 			pos++;
7845 	}
7846 
7847 	return 0;
7848 }
7849 
7850 
wpas_ctrl_scan(struct wpa_supplicant * wpa_s,char * params,char * reply,int reply_size,int * reply_len)7851 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
7852 			   char *reply, int reply_size, int *reply_len)
7853 {
7854 	char *pos;
7855 	unsigned int manual_scan_passive = 0;
7856 	unsigned int manual_scan_use_id = 0;
7857 	unsigned int manual_scan_only_new = 0;
7858 	unsigned int scan_only = 0;
7859 	unsigned int scan_id_count = 0;
7860 	int scan_id[MAX_SCAN_ID];
7861 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
7862 				 struct wpa_scan_results *scan_res);
7863 	int *manual_scan_freqs = NULL;
7864 	struct wpa_ssid_value *ssid = NULL, *ns;
7865 	unsigned int ssid_count = 0;
7866 
7867 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
7868 		*reply_len = -1;
7869 		return;
7870 	}
7871 
7872 	if (radio_work_pending(wpa_s, "scan")) {
7873 		wpa_printf(MSG_DEBUG,
7874 			   "Pending scan scheduled - reject new request");
7875 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7876 		return;
7877 	}
7878 
7879 #ifdef CONFIG_INTERWORKING
7880 	if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
7881 		wpa_printf(MSG_DEBUG,
7882 			   "Interworking select in progress - reject new scan");
7883 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
7884 		return;
7885 	}
7886 #endif /* CONFIG_INTERWORKING */
7887 
7888 	if (params) {
7889 		if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
7890 			scan_only = 1;
7891 
7892 		pos = os_strstr(params, "freq=");
7893 		if (pos) {
7894 			manual_scan_freqs = freq_range_to_channel_list(wpa_s,
7895 								       pos + 5);
7896 			if (manual_scan_freqs == NULL) {
7897 				*reply_len = -1;
7898 				goto done;
7899 			}
7900 		}
7901 
7902 		pos = os_strstr(params, "passive=");
7903 		if (pos)
7904 			manual_scan_passive = !!atoi(pos + 8);
7905 
7906 		pos = os_strstr(params, "use_id=");
7907 		if (pos)
7908 			manual_scan_use_id = atoi(pos + 7);
7909 
7910 		pos = os_strstr(params, "only_new=1");
7911 		if (pos)
7912 			manual_scan_only_new = 1;
7913 
7914 		pos = os_strstr(params, "scan_id=");
7915 		if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
7916 					      scan_id) < 0) {
7917 			*reply_len = -1;
7918 			goto done;
7919 		}
7920 
7921 		pos = params;
7922 		while (pos && *pos != '\0') {
7923 			if (os_strncmp(pos, "ssid ", 5) == 0) {
7924 				char *end;
7925 
7926 				pos += 5;
7927 				end = pos;
7928 				while (*end) {
7929 					if (*end == '\0' || *end == ' ')
7930 						break;
7931 					end++;
7932 				}
7933 
7934 				ns = os_realloc_array(
7935 					ssid, ssid_count + 1,
7936 					sizeof(struct wpa_ssid_value));
7937 				if (ns == NULL) {
7938 					*reply_len = -1;
7939 					goto done;
7940 				}
7941 				ssid = ns;
7942 
7943 				if ((end - pos) & 0x01 ||
7944 				    end - pos > 2 * SSID_MAX_LEN ||
7945 				    hexstr2bin(pos, ssid[ssid_count].ssid,
7946 					       (end - pos) / 2) < 0) {
7947 					wpa_printf(MSG_DEBUG,
7948 						   "Invalid SSID value '%s'",
7949 						   pos);
7950 					*reply_len = -1;
7951 					goto done;
7952 				}
7953 				ssid[ssid_count].ssid_len = (end - pos) / 2;
7954 				wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
7955 						  ssid[ssid_count].ssid,
7956 						  ssid[ssid_count].ssid_len);
7957 				ssid_count++;
7958 				pos = end;
7959 			}
7960 
7961 			pos = os_strchr(pos, ' ');
7962 			if (pos)
7963 				pos++;
7964 		}
7965 	}
7966 
7967 	wpa_s->num_ssids_from_scan_req = ssid_count;
7968 	os_free(wpa_s->ssids_from_scan_req);
7969 	if (ssid_count) {
7970 		wpa_s->ssids_from_scan_req = ssid;
7971 		ssid = NULL;
7972 	} else {
7973 		wpa_s->ssids_from_scan_req = NULL;
7974 	}
7975 
7976 	if (scan_only)
7977 		scan_res_handler = scan_only_handler;
7978 	else if (wpa_s->scan_res_handler == scan_only_handler)
7979 		scan_res_handler = NULL;
7980 	else
7981 		scan_res_handler = wpa_s->scan_res_handler;
7982 
7983 	if (!wpa_s->sched_scanning && !wpa_s->scanning &&
7984 	    ((wpa_s->wpa_state <= WPA_SCANNING) ||
7985 	     (wpa_s->wpa_state == WPA_COMPLETED))) {
7986 		wpa_s->manual_scan_passive = manual_scan_passive;
7987 		wpa_s->manual_scan_use_id = manual_scan_use_id;
7988 		wpa_s->manual_scan_only_new = manual_scan_only_new;
7989 		wpa_s->scan_id_count = scan_id_count;
7990 		os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
7991 		wpa_s->scan_res_handler = scan_res_handler;
7992 		os_free(wpa_s->manual_scan_freqs);
7993 		wpa_s->manual_scan_freqs = manual_scan_freqs;
7994 		manual_scan_freqs = NULL;
7995 
7996 		wpa_s->normal_scans = 0;
7997 		wpa_s->scan_req = MANUAL_SCAN_REQ;
7998 		wpa_s->after_wps = 0;
7999 		wpa_s->known_wps_freq = 0;
8000 		wpa_supplicant_req_scan(wpa_s, 0, 0);
8001 		if (wpa_s->manual_scan_use_id) {
8002 			wpa_s->manual_scan_id++;
8003 			wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
8004 				wpa_s->manual_scan_id);
8005 			*reply_len = os_snprintf(reply, reply_size, "%u\n",
8006 						 wpa_s->manual_scan_id);
8007 		}
8008 	} else if (wpa_s->sched_scanning) {
8009 		wpa_s->manual_scan_passive = manual_scan_passive;
8010 		wpa_s->manual_scan_use_id = manual_scan_use_id;
8011 		wpa_s->manual_scan_only_new = manual_scan_only_new;
8012 		wpa_s->scan_id_count = scan_id_count;
8013 		os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
8014 		wpa_s->scan_res_handler = scan_res_handler;
8015 		os_free(wpa_s->manual_scan_freqs);
8016 		wpa_s->manual_scan_freqs = manual_scan_freqs;
8017 		manual_scan_freqs = NULL;
8018 
8019 		wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
8020 		wpa_supplicant_cancel_sched_scan(wpa_s);
8021 		wpa_s->scan_req = MANUAL_SCAN_REQ;
8022 		wpa_supplicant_req_scan(wpa_s, 0, 0);
8023 		if (wpa_s->manual_scan_use_id) {
8024 			wpa_s->manual_scan_id++;
8025 			*reply_len = os_snprintf(reply, reply_size, "%u\n",
8026 						 wpa_s->manual_scan_id);
8027 			wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
8028 				wpa_s->manual_scan_id);
8029 		}
8030 	} else {
8031 		wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
8032 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
8033 	}
8034 
8035 done:
8036 	os_free(manual_scan_freqs);
8037 	os_free(ssid);
8038 }
8039 
8040 
8041 #ifdef CONFIG_TESTING_OPTIONS
8042 
wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant * wpa_s,unsigned int freq,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,enum offchannel_send_action_result result)8043 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
8044 				       unsigned int freq, const u8 *dst,
8045 				       const u8 *src, const u8 *bssid,
8046 				       const u8 *data, size_t data_len,
8047 				       enum offchannel_send_action_result
8048 				       result)
8049 {
8050 	wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
8051 		" src=" MACSTR " bssid=" MACSTR " result=%s",
8052 		freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
8053 		result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
8054 		"SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
8055 			     "NO_ACK" : "FAILED"));
8056 }
8057 
8058 
wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant * wpa_s,char * cmd)8059 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
8060 {
8061 	char *pos, *param;
8062 	size_t len;
8063 	u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
8064 	int res, used;
8065 	int freq = 0, no_cck = 0, wait_time = 0;
8066 
8067 	/* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
8068 	 *    <action=Action frame payload> */
8069 
8070 	wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
8071 
8072 	pos = cmd;
8073 	used = hwaddr_aton2(pos, da);
8074 	if (used < 0)
8075 		return -1;
8076 	pos += used;
8077 	while (*pos == ' ')
8078 		pos++;
8079 	used = hwaddr_aton2(pos, bssid);
8080 	if (used < 0)
8081 		return -1;
8082 	pos += used;
8083 
8084 	param = os_strstr(pos, " freq=");
8085 	if (param) {
8086 		param += 6;
8087 		freq = atoi(param);
8088 	}
8089 
8090 	param = os_strstr(pos, " no_cck=");
8091 	if (param) {
8092 		param += 8;
8093 		no_cck = atoi(param);
8094 	}
8095 
8096 	param = os_strstr(pos, " wait_time=");
8097 	if (param) {
8098 		param += 11;
8099 		wait_time = atoi(param);
8100 	}
8101 
8102 	param = os_strstr(pos, " action=");
8103 	if (param == NULL)
8104 		return -1;
8105 	param += 8;
8106 
8107 	len = os_strlen(param);
8108 	if (len & 1)
8109 		return -1;
8110 	len /= 2;
8111 
8112 	buf = os_malloc(len);
8113 	if (buf == NULL)
8114 		return -1;
8115 
8116 	if (hexstr2bin(param, buf, len) < 0) {
8117 		os_free(buf);
8118 		return -1;
8119 	}
8120 
8121 	res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
8122 				     buf, len, wait_time,
8123 				     wpas_ctrl_iface_mgmt_tx_cb, no_cck);
8124 	os_free(buf);
8125 	return res;
8126 }
8127 
8128 
wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant * wpa_s)8129 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
8130 {
8131 	wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
8132 	offchannel_send_action_done(wpa_s);
8133 }
8134 
8135 
wpas_ctrl_iface_mgmt_rx_process(struct wpa_supplicant * wpa_s,char * cmd)8136 static int wpas_ctrl_iface_mgmt_rx_process(struct wpa_supplicant *wpa_s,
8137 					   char *cmd)
8138 {
8139 	char *pos, *param;
8140 	size_t len;
8141 	u8 *buf;
8142 	int freq = 0, datarate = 0, ssi_signal = 0;
8143 	union wpa_event_data event;
8144 
8145 	if (!wpa_s->ext_mgmt_frame_handling)
8146 		return -1;
8147 
8148 	/* freq=<MHz> datarate=<val> ssi_signal=<val> frame=<frame hexdump> */
8149 
8150 	wpa_printf(MSG_DEBUG, "External MGMT RX process: %s", cmd);
8151 
8152 	pos = cmd;
8153 	param = os_strstr(pos, "freq=");
8154 	if (param) {
8155 		param += 5;
8156 		freq = atoi(param);
8157 	}
8158 
8159 	param = os_strstr(pos, " datarate=");
8160 	if (param) {
8161 		param += 10;
8162 		datarate = atoi(param);
8163 	}
8164 
8165 	param = os_strstr(pos, " ssi_signal=");
8166 	if (param) {
8167 		param += 12;
8168 		ssi_signal = atoi(param);
8169 	}
8170 
8171 	param = os_strstr(pos, " frame=");
8172 	if (param == NULL)
8173 		return -1;
8174 	param += 7;
8175 
8176 	len = os_strlen(param);
8177 	if (len & 1)
8178 		return -1;
8179 	len /= 2;
8180 
8181 	buf = os_malloc(len);
8182 	if (buf == NULL)
8183 		return -1;
8184 
8185 	if (hexstr2bin(param, buf, len) < 0) {
8186 		os_free(buf);
8187 		return -1;
8188 	}
8189 
8190 	os_memset(&event, 0, sizeof(event));
8191 	event.rx_mgmt.freq = freq;
8192 	event.rx_mgmt.frame = buf;
8193 	event.rx_mgmt.frame_len = len;
8194 	event.rx_mgmt.ssi_signal = ssi_signal;
8195 	event.rx_mgmt.datarate = datarate;
8196 	wpa_s->ext_mgmt_frame_handling = 0;
8197 	wpa_supplicant_event(wpa_s, EVENT_RX_MGMT, &event);
8198 	wpa_s->ext_mgmt_frame_handling = 1;
8199 
8200 	os_free(buf);
8201 
8202 	return 0;
8203 }
8204 
8205 
wpas_ctrl_iface_driver_scan_res(struct wpa_supplicant * wpa_s,char * param)8206 static int wpas_ctrl_iface_driver_scan_res(struct wpa_supplicant *wpa_s,
8207 					   char *param)
8208 {
8209 	struct wpa_scan_res *res;
8210 	struct os_reltime now;
8211 	char *pos, *end;
8212 	int ret = -1;
8213 
8214 	if (!param)
8215 		return -1;
8216 
8217 	if (os_strcmp(param, "START") == 0) {
8218 		wpa_bss_update_start(wpa_s);
8219 		return 0;
8220 	}
8221 
8222 	if (os_strcmp(param, "END") == 0) {
8223 		wpa_bss_update_end(wpa_s, NULL, 1);
8224 		return 0;
8225 	}
8226 
8227 	if (os_strncmp(param, "BSS ", 4) != 0)
8228 		return -1;
8229 	param += 3;
8230 
8231 	res = os_zalloc(sizeof(*res) + os_strlen(param) / 2);
8232 	if (!res)
8233 		return -1;
8234 
8235 	pos = os_strstr(param, " flags=");
8236 	if (pos)
8237 		res->flags = strtol(pos + 7, NULL, 16);
8238 
8239 	pos = os_strstr(param, " bssid=");
8240 	if (pos && hwaddr_aton(pos + 7, res->bssid))
8241 		goto fail;
8242 
8243 	pos = os_strstr(param, " freq=");
8244 	if (pos)
8245 		res->freq = atoi(pos + 6);
8246 
8247 	pos = os_strstr(param, " beacon_int=");
8248 	if (pos)
8249 		res->beacon_int = atoi(pos + 12);
8250 
8251 	pos = os_strstr(param, " caps=");
8252 	if (pos)
8253 		res->caps = strtol(pos + 6, NULL, 16);
8254 
8255 	pos = os_strstr(param, " qual=");
8256 	if (pos)
8257 		res->qual = atoi(pos + 6);
8258 
8259 	pos = os_strstr(param, " noise=");
8260 	if (pos)
8261 		res->noise = atoi(pos + 7);
8262 
8263 	pos = os_strstr(param, " level=");
8264 	if (pos)
8265 		res->level = atoi(pos + 7);
8266 
8267 	pos = os_strstr(param, " tsf=");
8268 	if (pos)
8269 		res->tsf = strtoll(pos + 5, NULL, 16);
8270 
8271 	pos = os_strstr(param, " age=");
8272 	if (pos)
8273 		res->age = atoi(pos + 5);
8274 
8275 	pos = os_strstr(param, " est_throughput=");
8276 	if (pos)
8277 		res->est_throughput = atoi(pos + 16);
8278 
8279 	pos = os_strstr(param, " snr=");
8280 	if (pos)
8281 		res->snr = atoi(pos + 5);
8282 
8283 	pos = os_strstr(param, " parent_tsf=");
8284 	if (pos)
8285 		res->parent_tsf = strtoll(pos + 7, NULL, 16);
8286 
8287 	pos = os_strstr(param, " tsf_bssid=");
8288 	if (pos && hwaddr_aton(pos + 11, res->tsf_bssid))
8289 		goto fail;
8290 
8291 	pos = os_strstr(param, " ie=");
8292 	if (pos) {
8293 		pos += 4;
8294 		end = os_strchr(pos, ' ');
8295 		if (!end)
8296 			end = pos + os_strlen(pos);
8297 		res->ie_len = (end - pos) / 2;
8298 		if (hexstr2bin(pos, (u8 *) (res + 1), res->ie_len))
8299 			goto fail;
8300 	}
8301 
8302 	pos = os_strstr(param, " beacon_ie=");
8303 	if (pos) {
8304 		pos += 11;
8305 		end = os_strchr(pos, ' ');
8306 		if (!end)
8307 			end = pos + os_strlen(pos);
8308 		res->beacon_ie_len = (end - pos) / 2;
8309 		if (hexstr2bin(pos, ((u8 *) (res + 1)) + res->ie_len,
8310 			       res->beacon_ie_len))
8311 			goto fail;
8312 	}
8313 
8314 	os_get_reltime(&now);
8315 	wpa_bss_update_scan_res(wpa_s, res, &now);
8316 	ret = 0;
8317 fail:
8318 	os_free(res);
8319 
8320 	return ret;
8321 }
8322 
8323 
wpas_ctrl_iface_driver_event(struct wpa_supplicant * wpa_s,char * cmd)8324 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
8325 {
8326 	char *pos, *param;
8327 	union wpa_event_data event;
8328 	enum wpa_event_type ev;
8329 
8330 	/* <event name> [parameters..] */
8331 
8332 	wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
8333 
8334 	pos = cmd;
8335 	param = os_strchr(pos, ' ');
8336 	if (param)
8337 		*param++ = '\0';
8338 
8339 	os_memset(&event, 0, sizeof(event));
8340 
8341 	if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
8342 		ev = EVENT_INTERFACE_ENABLED;
8343 	} else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
8344 		ev = EVENT_INTERFACE_DISABLED;
8345 	} else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
8346 		ev = EVENT_AVOID_FREQUENCIES;
8347 		if (param == NULL)
8348 			param = "";
8349 		if (freq_range_list_parse(&event.freq_range, param) < 0)
8350 			return -1;
8351 		wpa_supplicant_event(wpa_s, ev, &event);
8352 		os_free(event.freq_range.range);
8353 		return 0;
8354 	} else if (os_strcmp(cmd, "SCAN_RES") == 0) {
8355 		return wpas_ctrl_iface_driver_scan_res(wpa_s, param);
8356 	} else {
8357 		wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
8358 			cmd);
8359 		return -1;
8360 	}
8361 
8362 	wpa_supplicant_event(wpa_s, ev, &event);
8363 
8364 	return 0;
8365 }
8366 
8367 
wpas_ctrl_iface_eapol_rx(struct wpa_supplicant * wpa_s,char * cmd)8368 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
8369 {
8370 	char *pos;
8371 	u8 src[ETH_ALEN], *buf;
8372 	int used;
8373 	size_t len;
8374 
8375 	wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
8376 
8377 	pos = cmd;
8378 	used = hwaddr_aton2(pos, src);
8379 	if (used < 0)
8380 		return -1;
8381 	pos += used;
8382 	while (*pos == ' ')
8383 		pos++;
8384 
8385 	len = os_strlen(pos);
8386 	if (len & 1)
8387 		return -1;
8388 	len /= 2;
8389 
8390 	buf = os_malloc(len);
8391 	if (buf == NULL)
8392 		return -1;
8393 
8394 	if (hexstr2bin(pos, buf, len) < 0) {
8395 		os_free(buf);
8396 		return -1;
8397 	}
8398 
8399 	wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
8400 	os_free(buf);
8401 
8402 	return 0;
8403 }
8404 
8405 
ipv4_hdr_checksum(const void * buf,size_t len)8406 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
8407 {
8408 	size_t i;
8409 	u32 sum = 0;
8410 	const u16 *pos = buf;
8411 
8412 	for (i = 0; i < len / 2; i++)
8413 		sum += *pos++;
8414 
8415 	while (sum >> 16)
8416 		sum = (sum & 0xffff) + (sum >> 16);
8417 
8418 	return sum ^ 0xffff;
8419 }
8420 
8421 
8422 #define HWSIM_PACKETLEN 1500
8423 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
8424 
wpas_data_test_rx(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)8425 static void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf,
8426 			      size_t len)
8427 {
8428 	struct wpa_supplicant *wpa_s = ctx;
8429 	const struct ether_header *eth;
8430 	struct iphdr ip;
8431 	const u8 *pos;
8432 	unsigned int i;
8433 
8434 	if (len != HWSIM_PACKETLEN)
8435 		return;
8436 
8437 	eth = (const struct ether_header *) buf;
8438 	os_memcpy(&ip, eth + 1, sizeof(ip));
8439 	pos = &buf[sizeof(*eth) + sizeof(ip)];
8440 
8441 	if (ip.ihl != 5 || ip.version != 4 ||
8442 	    ntohs(ip.tot_len) != HWSIM_IP_LEN)
8443 		return;
8444 
8445 	for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
8446 		if (*pos != (u8) i)
8447 			return;
8448 		pos++;
8449 	}
8450 
8451 	wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
8452 		MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
8453 }
8454 
8455 
wpas_ctrl_iface_data_test_config(struct wpa_supplicant * wpa_s,char * cmd)8456 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
8457 					    char *cmd)
8458 {
8459 	int enabled = atoi(cmd);
8460 	char *pos;
8461 	const char *ifname;
8462 
8463 	if (!enabled) {
8464 		if (wpa_s->l2_test) {
8465 			l2_packet_deinit(wpa_s->l2_test);
8466 			wpa_s->l2_test = NULL;
8467 			wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
8468 		}
8469 		return 0;
8470 	}
8471 
8472 	if (wpa_s->l2_test)
8473 		return 0;
8474 
8475 	pos = os_strstr(cmd, " ifname=");
8476 	if (pos)
8477 		ifname = pos + 8;
8478 	else
8479 		ifname = wpa_s->ifname;
8480 
8481 	wpa_s->l2_test = l2_packet_init(ifname, wpa_s->own_addr,
8482 					ETHERTYPE_IP, wpas_data_test_rx,
8483 					wpa_s, 1);
8484 	if (wpa_s->l2_test == NULL)
8485 		return -1;
8486 
8487 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
8488 
8489 	return 0;
8490 }
8491 
8492 
wpas_ctrl_iface_data_test_tx(struct wpa_supplicant * wpa_s,char * cmd)8493 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
8494 {
8495 	u8 dst[ETH_ALEN], src[ETH_ALEN];
8496 	char *pos;
8497 	int used;
8498 	long int val;
8499 	u8 tos;
8500 	u8 buf[2 + HWSIM_PACKETLEN];
8501 	struct ether_header *eth;
8502 	struct iphdr *ip;
8503 	u8 *dpos;
8504 	unsigned int i;
8505 
8506 	if (wpa_s->l2_test == NULL)
8507 		return -1;
8508 
8509 	/* format: <dst> <src> <tos> */
8510 
8511 	pos = cmd;
8512 	used = hwaddr_aton2(pos, dst);
8513 	if (used < 0)
8514 		return -1;
8515 	pos += used;
8516 	while (*pos == ' ')
8517 		pos++;
8518 	used = hwaddr_aton2(pos, src);
8519 	if (used < 0)
8520 		return -1;
8521 	pos += used;
8522 
8523 	val = strtol(pos, NULL, 0);
8524 	if (val < 0 || val > 0xff)
8525 		return -1;
8526 	tos = val;
8527 
8528 	eth = (struct ether_header *) &buf[2];
8529 	os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
8530 	os_memcpy(eth->ether_shost, src, ETH_ALEN);
8531 	eth->ether_type = htons(ETHERTYPE_IP);
8532 	ip = (struct iphdr *) (eth + 1);
8533 	os_memset(ip, 0, sizeof(*ip));
8534 	ip->ihl = 5;
8535 	ip->version = 4;
8536 	ip->ttl = 64;
8537 	ip->tos = tos;
8538 	ip->tot_len = htons(HWSIM_IP_LEN);
8539 	ip->protocol = 1;
8540 	ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
8541 	ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
8542 	ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
8543 	dpos = (u8 *) (ip + 1);
8544 	for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
8545 		*dpos++ = i;
8546 
8547 	if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
8548 			   HWSIM_PACKETLEN) < 0)
8549 		return -1;
8550 
8551 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
8552 		" tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
8553 
8554 	return 0;
8555 }
8556 
8557 
wpas_ctrl_iface_data_test_frame(struct wpa_supplicant * wpa_s,char * cmd)8558 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
8559 					   char *cmd)
8560 {
8561 	u8 *buf;
8562 	struct ether_header *eth;
8563 	struct l2_packet_data *l2 = NULL;
8564 	size_t len;
8565 	u16 ethertype;
8566 	int res = -1;
8567 
8568 	len = os_strlen(cmd);
8569 	if (len & 1 || len < ETH_HLEN * 2)
8570 		return -1;
8571 	len /= 2;
8572 
8573 	buf = os_malloc(len);
8574 	if (buf == NULL)
8575 		return -1;
8576 
8577 	if (hexstr2bin(cmd, buf, len) < 0)
8578 		goto done;
8579 
8580 	eth = (struct ether_header *) buf;
8581 	ethertype = ntohs(eth->ether_type);
8582 
8583 	l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
8584 			    wpas_data_test_rx, wpa_s, 1);
8585 	if (l2 == NULL)
8586 		goto done;
8587 
8588 	res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
8589 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
8590 done:
8591 	if (l2)
8592 		l2_packet_deinit(l2);
8593 	os_free(buf);
8594 
8595 	return res < 0 ? -1 : 0;
8596 }
8597 
8598 
wpas_ctrl_test_alloc_fail(struct wpa_supplicant * wpa_s,char * cmd)8599 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
8600 {
8601 #ifdef WPA_TRACE_BFD
8602 	char *pos;
8603 
8604 	wpa_trace_fail_after = atoi(cmd);
8605 	pos = os_strchr(cmd, ':');
8606 	if (pos) {
8607 		pos++;
8608 		os_strlcpy(wpa_trace_fail_func, pos,
8609 			   sizeof(wpa_trace_fail_func));
8610 	} else {
8611 		wpa_trace_fail_after = 0;
8612 	}
8613 	return 0;
8614 #else /* WPA_TRACE_BFD */
8615 	return -1;
8616 #endif /* WPA_TRACE_BFD */
8617 }
8618 
8619 
wpas_ctrl_get_alloc_fail(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)8620 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
8621 				    char *buf, size_t buflen)
8622 {
8623 #ifdef WPA_TRACE_BFD
8624 	return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
8625 			   wpa_trace_fail_func);
8626 #else /* WPA_TRACE_BFD */
8627 	return -1;
8628 #endif /* WPA_TRACE_BFD */
8629 }
8630 
8631 
wpas_ctrl_test_fail(struct wpa_supplicant * wpa_s,char * cmd)8632 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
8633 {
8634 #ifdef WPA_TRACE_BFD
8635 	char *pos;
8636 
8637 	wpa_trace_test_fail_after = atoi(cmd);
8638 	pos = os_strchr(cmd, ':');
8639 	if (pos) {
8640 		pos++;
8641 		os_strlcpy(wpa_trace_test_fail_func, pos,
8642 			   sizeof(wpa_trace_test_fail_func));
8643 	} else {
8644 		wpa_trace_test_fail_after = 0;
8645 	}
8646 	return 0;
8647 #else /* WPA_TRACE_BFD */
8648 	return -1;
8649 #endif /* WPA_TRACE_BFD */
8650 }
8651 
8652 
wpas_ctrl_get_fail(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)8653 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
8654 				    char *buf, size_t buflen)
8655 {
8656 #ifdef WPA_TRACE_BFD
8657 	return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
8658 			   wpa_trace_test_fail_func);
8659 #else /* WPA_TRACE_BFD */
8660 	return -1;
8661 #endif /* WPA_TRACE_BFD */
8662 }
8663 
8664 
wpas_ctrl_event_test_cb(void * eloop_ctx,void * timeout_ctx)8665 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
8666 {
8667 	struct wpa_supplicant *wpa_s = eloop_ctx;
8668 	int i, count = (intptr_t) timeout_ctx;
8669 
8670 	wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
8671 		   count);
8672 	for (i = 0; i < count; i++) {
8673 		wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
8674 			     i + 1, count);
8675 	}
8676 }
8677 
8678 
wpas_ctrl_event_test(struct wpa_supplicant * wpa_s,const char * cmd)8679 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
8680 {
8681 	int count;
8682 
8683 	count = atoi(cmd);
8684 	if (count <= 0)
8685 		return -1;
8686 
8687 	return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
8688 				      (void *) (intptr_t) count);
8689 }
8690 
8691 
wpas_ctrl_test_assoc_ie(struct wpa_supplicant * wpa_s,const char * cmd)8692 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
8693 				   const char *cmd)
8694 {
8695 	struct wpabuf *buf;
8696 	size_t len;
8697 
8698 	len = os_strlen(cmd);
8699 	if (len & 1)
8700 		return -1;
8701 	len /= 2;
8702 
8703 	if (len == 0) {
8704 		buf = NULL;
8705 	} else {
8706 		buf = wpabuf_alloc(len);
8707 		if (buf == NULL)
8708 			return -1;
8709 
8710 		if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
8711 			wpabuf_free(buf);
8712 			return -1;
8713 		}
8714 	}
8715 
8716 	wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
8717 	return 0;
8718 }
8719 
8720 #endif /* CONFIG_TESTING_OPTIONS */
8721 
8722 
wpas_ctrl_vendor_elem_add(struct wpa_supplicant * wpa_s,char * cmd)8723 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
8724 {
8725 	char *pos = cmd;
8726 	int frame;
8727 	size_t len;
8728 	struct wpabuf *buf;
8729 	struct ieee802_11_elems elems;
8730 
8731 	frame = atoi(pos);
8732 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8733 		return -1;
8734 	wpa_s = wpas_vendor_elem(wpa_s, frame);
8735 
8736 	pos = os_strchr(pos, ' ');
8737 	if (pos == NULL)
8738 		return -1;
8739 	pos++;
8740 
8741 	len = os_strlen(pos);
8742 	if (len == 0)
8743 		return 0;
8744 	if (len & 1)
8745 		return -1;
8746 	len /= 2;
8747 
8748 	buf = wpabuf_alloc(len);
8749 	if (buf == NULL)
8750 		return -1;
8751 
8752 	if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
8753 		wpabuf_free(buf);
8754 		return -1;
8755 	}
8756 
8757 	if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
8758 	    ParseFailed) {
8759 		wpabuf_free(buf);
8760 		return -1;
8761 	}
8762 
8763 	if (wpa_s->vendor_elem[frame] == NULL) {
8764 		wpa_s->vendor_elem[frame] = buf;
8765 		wpas_vendor_elem_update(wpa_s);
8766 		return 0;
8767 	}
8768 
8769 	if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
8770 		wpabuf_free(buf);
8771 		return -1;
8772 	}
8773 
8774 	wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
8775 	wpabuf_free(buf);
8776 	wpas_vendor_elem_update(wpa_s);
8777 
8778 	return 0;
8779 }
8780 
8781 
wpas_ctrl_vendor_elem_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)8782 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
8783 				     char *buf, size_t buflen)
8784 {
8785 	int frame = atoi(cmd);
8786 
8787 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8788 		return -1;
8789 	wpa_s = wpas_vendor_elem(wpa_s, frame);
8790 
8791 	if (wpa_s->vendor_elem[frame] == NULL)
8792 		return 0;
8793 
8794 	return wpa_snprintf_hex(buf, buflen,
8795 				wpabuf_head_u8(wpa_s->vendor_elem[frame]),
8796 				wpabuf_len(wpa_s->vendor_elem[frame]));
8797 }
8798 
8799 
wpas_ctrl_vendor_elem_remove(struct wpa_supplicant * wpa_s,char * cmd)8800 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
8801 {
8802 	char *pos = cmd;
8803 	int frame;
8804 	size_t len;
8805 	u8 *buf;
8806 	struct ieee802_11_elems elems;
8807 	int res;
8808 
8809 	frame = atoi(pos);
8810 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
8811 		return -1;
8812 	wpa_s = wpas_vendor_elem(wpa_s, frame);
8813 
8814 	pos = os_strchr(pos, ' ');
8815 	if (pos == NULL)
8816 		return -1;
8817 	pos++;
8818 
8819 	if (*pos == '*') {
8820 		wpabuf_free(wpa_s->vendor_elem[frame]);
8821 		wpa_s->vendor_elem[frame] = NULL;
8822 		wpas_vendor_elem_update(wpa_s);
8823 		return 0;
8824 	}
8825 
8826 	if (wpa_s->vendor_elem[frame] == NULL)
8827 		return -1;
8828 
8829 	len = os_strlen(pos);
8830 	if (len == 0)
8831 		return 0;
8832 	if (len & 1)
8833 		return -1;
8834 	len /= 2;
8835 
8836 	buf = os_malloc(len);
8837 	if (buf == NULL)
8838 		return -1;
8839 
8840 	if (hexstr2bin(pos, buf, len) < 0) {
8841 		os_free(buf);
8842 		return -1;
8843 	}
8844 
8845 	if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
8846 		os_free(buf);
8847 		return -1;
8848 	}
8849 
8850 	res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
8851 	os_free(buf);
8852 	return res;
8853 }
8854 
8855 
wpas_ctrl_neighbor_rep_cb(void * ctx,struct wpabuf * neighbor_rep)8856 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
8857 {
8858 	struct wpa_supplicant *wpa_s = ctx;
8859 	size_t len;
8860 	const u8 *data;
8861 
8862 	/*
8863 	 * Neighbor Report element (IEEE P802.11-REVmc/D5.0)
8864 	 * BSSID[6]
8865 	 * BSSID Information[4]
8866 	 * Operating Class[1]
8867 	 * Channel Number[1]
8868 	 * PHY Type[1]
8869 	 * Optional Subelements[variable]
8870 	 */
8871 #define NR_IE_MIN_LEN (ETH_ALEN + 4 + 1 + 1 + 1)
8872 
8873 	if (!neighbor_rep || wpabuf_len(neighbor_rep) == 0) {
8874 		wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
8875 		goto out;
8876 	}
8877 
8878 	data = wpabuf_head_u8(neighbor_rep);
8879 	len = wpabuf_len(neighbor_rep);
8880 
8881 	while (len >= 2 + NR_IE_MIN_LEN) {
8882 		const u8 *nr;
8883 		char lci[256 * 2 + 1];
8884 		char civic[256 * 2 + 1];
8885 		u8 nr_len = data[1];
8886 		const u8 *pos = data, *end;
8887 
8888 		if (pos[0] != WLAN_EID_NEIGHBOR_REPORT ||
8889 		    nr_len < NR_IE_MIN_LEN) {
8890 			wpa_printf(MSG_DEBUG,
8891 				   "CTRL: Invalid Neighbor Report element: id=%u len=%u",
8892 				   data[0], nr_len);
8893 			goto out;
8894 		}
8895 
8896 		if (2U + nr_len > len) {
8897 			wpa_printf(MSG_DEBUG,
8898 				   "CTRL: Invalid Neighbor Report element: id=%u len=%zu nr_len=%u",
8899 				   data[0], len, nr_len);
8900 			goto out;
8901 		}
8902 		pos += 2;
8903 		end = pos + nr_len;
8904 
8905 		nr = pos;
8906 		pos += NR_IE_MIN_LEN;
8907 
8908 		lci[0] = '\0';
8909 		civic[0] = '\0';
8910 		while (end - pos > 2) {
8911 			u8 s_id, s_len;
8912 
8913 			s_id = *pos++;
8914 			s_len = *pos++;
8915 			if (s_len > end - pos)
8916 				goto out;
8917 			if (s_id == WLAN_EID_MEASURE_REPORT && s_len > 3) {
8918 				/* Measurement Token[1] */
8919 				/* Measurement Report Mode[1] */
8920 				/* Measurement Type[1] */
8921 				/* Measurement Report[variable] */
8922 				switch (pos[2]) {
8923 				case MEASURE_TYPE_LCI:
8924 					if (lci[0])
8925 						break;
8926 					wpa_snprintf_hex(lci, sizeof(lci),
8927 							 pos, s_len);
8928 					break;
8929 				case MEASURE_TYPE_LOCATION_CIVIC:
8930 					if (civic[0])
8931 						break;
8932 					wpa_snprintf_hex(civic, sizeof(civic),
8933 							 pos, s_len);
8934 					break;
8935 				}
8936 			}
8937 
8938 			pos += s_len;
8939 		}
8940 
8941 		wpa_msg(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
8942 			"bssid=" MACSTR
8943 			" info=0x%x op_class=%u chan=%u phy_type=%u%s%s%s%s",
8944 			MAC2STR(nr), WPA_GET_LE32(nr + ETH_ALEN),
8945 			nr[ETH_ALEN + 4], nr[ETH_ALEN + 5],
8946 			nr[ETH_ALEN + 6],
8947 			lci[0] ? " lci=" : "", lci,
8948 			civic[0] ? " civic=" : "", civic);
8949 
8950 		data = end;
8951 		len -= 2 + nr_len;
8952 	}
8953 
8954 out:
8955 	wpabuf_free(neighbor_rep);
8956 }
8957 
8958 
wpas_ctrl_iface_send_neighbor_rep(struct wpa_supplicant * wpa_s,char * cmd)8959 static int wpas_ctrl_iface_send_neighbor_rep(struct wpa_supplicant *wpa_s,
8960 					     char *cmd)
8961 {
8962 	struct wpa_ssid_value ssid, *ssid_p = NULL;
8963 	int ret, lci = 0, civic = 0;
8964 	char *ssid_s;
8965 
8966 	ssid_s = os_strstr(cmd, "ssid=");
8967 	if (ssid_s) {
8968 		if (ssid_parse(ssid_s + 5, &ssid)) {
8969 			wpa_printf(MSG_ERROR,
8970 				   "CTRL: Send Neighbor Report: bad SSID");
8971 			return -1;
8972 		}
8973 
8974 		ssid_p = &ssid;
8975 
8976 		/*
8977 		 * Move cmd after the SSID text that may include "lci" or
8978 		 * "civic".
8979 		 */
8980 		cmd = os_strchr(ssid_s + 6, ssid_s[5] == '"' ? '"' : ' ');
8981 		if (cmd)
8982 			cmd++;
8983 
8984 	}
8985 
8986 	if (cmd && os_strstr(cmd, "lci"))
8987 		lci = 1;
8988 
8989 	if (cmd && os_strstr(cmd, "civic"))
8990 		civic = 1;
8991 
8992 	ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p, lci, civic,
8993 						 wpas_ctrl_neighbor_rep_cb,
8994 						 wpa_s);
8995 
8996 	return ret;
8997 }
8998 
8999 
wpas_ctrl_iface_erp_flush(struct wpa_supplicant * wpa_s)9000 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
9001 {
9002 	eapol_sm_erp_flush(wpa_s->eapol);
9003 	return 0;
9004 }
9005 
9006 
wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant * wpa_s,char * cmd)9007 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
9008 					 char *cmd)
9009 {
9010 	char *token, *context = NULL;
9011 	unsigned int enable = ~0, type = 0;
9012 	u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
9013 	u8 *addr = NULL, *mask = NULL;
9014 
9015 	while ((token = str_token(cmd, " ", &context))) {
9016 		if (os_strcasecmp(token, "scan") == 0) {
9017 			type |= MAC_ADDR_RAND_SCAN;
9018 		} else if (os_strcasecmp(token, "sched") == 0) {
9019 			type |= MAC_ADDR_RAND_SCHED_SCAN;
9020 		} else if (os_strcasecmp(token, "pno") == 0) {
9021 			type |= MAC_ADDR_RAND_PNO;
9022 		} else if (os_strcasecmp(token, "all") == 0) {
9023 			type = wpa_s->mac_addr_rand_supported;
9024 		} else if (os_strncasecmp(token, "enable=", 7) == 0) {
9025 			enable = atoi(token + 7);
9026 		} else if (os_strncasecmp(token, "addr=", 5) == 0) {
9027 			addr = _addr;
9028 			if (hwaddr_aton(token + 5, addr)) {
9029 				wpa_printf(MSG_INFO,
9030 					   "CTRL: Invalid MAC address: %s",
9031 					   token);
9032 				return -1;
9033 			}
9034 		} else if (os_strncasecmp(token, "mask=", 5) == 0) {
9035 			mask = _mask;
9036 			if (hwaddr_aton(token + 5, mask)) {
9037 				wpa_printf(MSG_INFO,
9038 					   "CTRL: Invalid MAC address mask: %s",
9039 					   token);
9040 				return -1;
9041 			}
9042 		} else {
9043 			wpa_printf(MSG_INFO,
9044 				   "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
9045 				   token);
9046 			return -1;
9047 		}
9048 	}
9049 
9050 	if (!type) {
9051 		wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
9052 		return -1;
9053 	}
9054 
9055 	if ((wpa_s->mac_addr_rand_supported & type) != type) {
9056 		wpa_printf(MSG_INFO,
9057 			   "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
9058 			   type, wpa_s->mac_addr_rand_supported);
9059 		return -1;
9060 	}
9061 
9062 	if (enable > 1) {
9063 		wpa_printf(MSG_INFO,
9064 			   "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
9065 		return -1;
9066 	}
9067 
9068 	if (!enable) {
9069 		wpas_mac_addr_rand_scan_clear(wpa_s, type);
9070 		if (wpa_s->pno) {
9071 			if (type & MAC_ADDR_RAND_PNO) {
9072 				wpas_stop_pno(wpa_s);
9073 				wpas_start_pno(wpa_s);
9074 			}
9075 		} else if (wpa_s->sched_scanning &&
9076 			   (type & MAC_ADDR_RAND_SCHED_SCAN)) {
9077 			wpas_scan_restart_sched_scan(wpa_s);
9078 		}
9079 		return 0;
9080 	}
9081 
9082 	if ((addr && !mask) || (!addr && mask)) {
9083 		wpa_printf(MSG_INFO,
9084 			   "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
9085 		return -1;
9086 	}
9087 
9088 	if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
9089 		wpa_printf(MSG_INFO,
9090 			   "CTRL: MAC_RAND_SCAN cannot allow multicast address");
9091 		return -1;
9092 	}
9093 
9094 	if (type & MAC_ADDR_RAND_SCAN) {
9095 		wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
9096 					    addr, mask);
9097 	}
9098 
9099 	if (type & MAC_ADDR_RAND_SCHED_SCAN) {
9100 		wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
9101 					    addr, mask);
9102 
9103 		if (wpa_s->sched_scanning && !wpa_s->pno)
9104 			wpas_scan_restart_sched_scan(wpa_s);
9105 	}
9106 
9107 	if (type & MAC_ADDR_RAND_PNO) {
9108 		wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
9109 					    addr, mask);
9110 		if (wpa_s->pno) {
9111 			wpas_stop_pno(wpa_s);
9112 			wpas_start_pno(wpa_s);
9113 		}
9114 	}
9115 
9116 	return 0;
9117 }
9118 
9119 
wpas_ctrl_iface_pmksa(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)9120 static int wpas_ctrl_iface_pmksa(struct wpa_supplicant *wpa_s,
9121 				 char *buf, size_t buflen)
9122 {
9123 	size_t reply_len;
9124 
9125 	reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, buf, buflen);
9126 #ifdef CONFIG_AP
9127 	reply_len += wpas_ap_pmksa_cache_list(wpa_s, &buf[reply_len],
9128 					      buflen - reply_len);
9129 #endif /* CONFIG_AP */
9130 	return reply_len;
9131 }
9132 
9133 
wpas_ctrl_iface_pmksa_flush(struct wpa_supplicant * wpa_s)9134 static void wpas_ctrl_iface_pmksa_flush(struct wpa_supplicant *wpa_s)
9135 {
9136 	wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
9137 #ifdef CONFIG_AP
9138 	wpas_ap_pmksa_cache_flush(wpa_s);
9139 #endif /* CONFIG_AP */
9140 }
9141 
9142 
9143 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
9144 
wpas_ctrl_iface_pmksa_get(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)9145 static int wpas_ctrl_iface_pmksa_get(struct wpa_supplicant *wpa_s,
9146 				     const char *cmd, char *buf, size_t buflen)
9147 {
9148 	struct rsn_pmksa_cache_entry *entry;
9149 	struct wpa_ssid *ssid;
9150 	char *pos, *pos2, *end;
9151 	int ret;
9152 	struct os_reltime now;
9153 
9154 	ssid = wpa_config_get_network(wpa_s->conf, atoi(cmd));
9155 	if (!ssid)
9156 		return -1;
9157 
9158 	pos = buf;
9159 	end = buf + buflen;
9160 
9161 	os_get_reltime(&now);
9162 
9163 	/*
9164 	 * Entry format:
9165 	 * <BSSID> <PMKID> <PMK> <reauth_time in seconds>
9166 	 * <expiration in seconds> <akmp> <opportunistic>
9167 	 */
9168 
9169 	for (entry = wpa_sm_pmksa_cache_head(wpa_s->wpa); entry;
9170 	     entry = entry->next) {
9171 		if (entry->network_ctx != ssid)
9172 			continue;
9173 
9174 		pos2 = pos;
9175 		ret = os_snprintf(pos2, end - pos2, MACSTR " ",
9176 				  MAC2STR(entry->aa));
9177 		if (os_snprintf_error(end - pos2, ret))
9178 			break;
9179 		pos2 += ret;
9180 
9181 		pos2 += wpa_snprintf_hex(pos2, end - pos2, entry->pmkid,
9182 					 PMKID_LEN);
9183 
9184 		ret = os_snprintf(pos2, end - pos2, " ");
9185 		if (os_snprintf_error(end - pos2, ret))
9186 			break;
9187 		pos2 += ret;
9188 
9189 		pos2 += wpa_snprintf_hex(pos2, end - pos2, entry->pmk,
9190 					 entry->pmk_len);
9191 
9192 		ret = os_snprintf(pos2, end - pos2, " %d %d %d %d",
9193 				  (int) (entry->reauth_time - now.sec),
9194 				  (int) (entry->expiration - now.sec),
9195 				  entry->akmp,
9196 				  entry->opportunistic);
9197 		if (os_snprintf_error(end - pos2, ret))
9198 			break;
9199 		pos2 += ret;
9200 
9201 		ret = os_snprintf(pos2, end - pos2, "\n");
9202 		if (os_snprintf_error(end - pos2, ret))
9203 			break;
9204 		pos2 += ret;
9205 
9206 		pos = pos2;
9207 	}
9208 
9209 	return pos - buf;
9210 }
9211 
9212 
wpas_ctrl_iface_pmksa_add(struct wpa_supplicant * wpa_s,char * cmd)9213 static int wpas_ctrl_iface_pmksa_add(struct wpa_supplicant *wpa_s,
9214 				     char *cmd)
9215 {
9216 	struct rsn_pmksa_cache_entry *entry;
9217 	struct wpa_ssid *ssid;
9218 	char *pos, *pos2;
9219 	int ret = -1;
9220 	struct os_reltime now;
9221 	int reauth_time = 0, expiration = 0;
9222 
9223 	/*
9224 	 * Entry format:
9225 	 * <network_id> <BSSID> <PMKID> <PMK> <reauth_time in seconds>
9226 	 * <expiration in seconds> <akmp> <opportunistic>
9227 	 */
9228 
9229 	ssid = wpa_config_get_network(wpa_s->conf, atoi(cmd));
9230 	if (!ssid)
9231 		return -1;
9232 
9233 	pos = os_strchr(cmd, ' ');
9234 	if (!pos)
9235 		return -1;
9236 	pos++;
9237 
9238 	entry = os_zalloc(sizeof(*entry));
9239 	if (!entry)
9240 		return -1;
9241 
9242 	if (hwaddr_aton(pos, entry->aa))
9243 		goto fail;
9244 
9245 	pos = os_strchr(pos, ' ');
9246 	if (!pos)
9247 		goto fail;
9248 	pos++;
9249 
9250 	if (hexstr2bin(pos, entry->pmkid, PMKID_LEN) < 0)
9251 		goto fail;
9252 
9253 	pos = os_strchr(pos, ' ');
9254 	if (!pos)
9255 		goto fail;
9256 	pos++;
9257 
9258 	pos2 = os_strchr(pos, ' ');
9259 	if (!pos2)
9260 		goto fail;
9261 	entry->pmk_len = (pos2 - pos) / 2;
9262 	if (entry->pmk_len < PMK_LEN || entry->pmk_len > PMK_LEN_MAX ||
9263 	    hexstr2bin(pos, entry->pmk, entry->pmk_len) < 0)
9264 		goto fail;
9265 
9266 	pos = os_strchr(pos, ' ');
9267 	if (!pos)
9268 		goto fail;
9269 	pos++;
9270 
9271 	if (sscanf(pos, "%d %d %d %d", &reauth_time, &expiration,
9272 		   &entry->akmp, &entry->opportunistic) != 4)
9273 		goto fail;
9274 	os_get_reltime(&now);
9275 	entry->expiration = now.sec + expiration;
9276 	entry->reauth_time = now.sec + reauth_time;
9277 
9278 	entry->network_ctx = ssid;
9279 
9280 	wpa_sm_pmksa_cache_add_entry(wpa_s->wpa, entry);
9281 	entry = NULL;
9282 	ret = 0;
9283 fail:
9284 	os_free(entry);
9285 	return ret;
9286 }
9287 
9288 
9289 #ifdef CONFIG_MESH
9290 
wpas_ctrl_iface_mesh_pmksa_get(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)9291 static int wpas_ctrl_iface_mesh_pmksa_get(struct wpa_supplicant *wpa_s,
9292 					  const char *cmd, char *buf,
9293 					  size_t buflen)
9294 {
9295 	u8 spa[ETH_ALEN];
9296 
9297 	if (!wpa_s->ifmsh)
9298 		return -1;
9299 
9300 	if (os_strcasecmp(cmd, "any") == 0)
9301 		return wpas_ap_pmksa_cache_list_mesh(wpa_s, NULL, buf, buflen);
9302 
9303 	if (hwaddr_aton(cmd, spa))
9304 		return -1;
9305 
9306 	return wpas_ap_pmksa_cache_list_mesh(wpa_s, spa, buf, buflen);
9307 }
9308 
9309 
wpas_ctrl_iface_mesh_pmksa_add(struct wpa_supplicant * wpa_s,char * cmd)9310 static int wpas_ctrl_iface_mesh_pmksa_add(struct wpa_supplicant *wpa_s,
9311 					  char *cmd)
9312 {
9313 	/*
9314 	 * We do not check mesh interface existance because PMKSA should be
9315 	 * stored before wpa_s->ifmsh creation to suppress commit message
9316 	 * creation.
9317 	 */
9318 	return wpas_ap_pmksa_cache_add_external(wpa_s, cmd);
9319 }
9320 
9321 #endif /* CONFIG_MESH */
9322 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
9323 
9324 
9325 #ifdef CONFIG_FILS
wpas_ctrl_iface_fils_hlp_req_add(struct wpa_supplicant * wpa_s,const char * cmd)9326 static int wpas_ctrl_iface_fils_hlp_req_add(struct wpa_supplicant *wpa_s,
9327 					    const char *cmd)
9328 {
9329 	struct fils_hlp_req *req;
9330 	const char *pos;
9331 
9332 	/* format: <dst> <packet starting from ethertype> */
9333 
9334 	req = os_zalloc(sizeof(*req));
9335 	if (!req)
9336 		return -1;
9337 
9338 	if (hwaddr_aton(cmd, req->dst))
9339 		goto fail;
9340 
9341 	pos = os_strchr(cmd, ' ');
9342 	if (!pos)
9343 		goto fail;
9344 	pos++;
9345 	req->pkt = wpabuf_parse_bin(pos);
9346 	if (!req->pkt)
9347 		goto fail;
9348 
9349 	dl_list_add_tail(&wpa_s->fils_hlp_req, &req->list);
9350 	return 0;
9351 fail:
9352 	wpabuf_free(req->pkt);
9353 	os_free(req);
9354 	return -1;
9355 }
9356 #endif /* CONFIG_FILS */
9357 
9358 
wpas_ctrl_cmd_debug_level(const char * cmd)9359 static int wpas_ctrl_cmd_debug_level(const char *cmd)
9360 {
9361 	if (os_strcmp(cmd, "PING") == 0 ||
9362 	    os_strncmp(cmd, "BSS ", 4) == 0 ||
9363 	    os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
9364 	    os_strncmp(cmd, "STATUS", 6) == 0 ||
9365 	    os_strncmp(cmd, "STA ", 4) == 0 ||
9366 	    os_strncmp(cmd, "STA-", 4) == 0)
9367 		return MSG_EXCESSIVE;
9368 	return MSG_DEBUG;
9369 }
9370 
9371 
wpa_supplicant_ctrl_iface_process(struct wpa_supplicant * wpa_s,char * buf,size_t * resp_len)9372 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
9373 					 char *buf, size_t *resp_len)
9374 {
9375 	char *reply;
9376 	const int reply_size = 4096;
9377 	int reply_len;
9378 
9379 	if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
9380 	    os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
9381 		if (wpa_debug_show_keys)
9382 			wpa_dbg(wpa_s, MSG_DEBUG,
9383 				"Control interface command '%s'", buf);
9384 		else
9385 			wpa_dbg(wpa_s, MSG_DEBUG,
9386 				"Control interface command '%s [REMOVED]'",
9387 				os_strncmp(buf, WPA_CTRL_RSP,
9388 					   os_strlen(WPA_CTRL_RSP)) == 0 ?
9389 				WPA_CTRL_RSP : "SET_NETWORK");
9390 	} else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
9391 		   os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
9392 		wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
9393 				      (const u8 *) buf, os_strlen(buf));
9394 	} else {
9395 		int level = wpas_ctrl_cmd_debug_level(buf);
9396 		wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
9397 	}
9398 
9399 	reply = os_malloc(reply_size);
9400 	if (reply == NULL) {
9401 		*resp_len = 1;
9402 		return NULL;
9403 	}
9404 
9405 	os_memcpy(reply, "OK\n", 3);
9406 	reply_len = 3;
9407 
9408 	if (os_strcmp(buf, "PING") == 0) {
9409 		os_memcpy(reply, "PONG\n", 5);
9410 		reply_len = 5;
9411 	} else if (os_strcmp(buf, "IFNAME") == 0) {
9412 		reply_len = os_strlen(wpa_s->ifname);
9413 		os_memcpy(reply, wpa_s->ifname, reply_len);
9414 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
9415 		if (wpa_debug_reopen_file() < 0)
9416 			reply_len = -1;
9417 	} else if (os_strncmp(buf, "NOTE ", 5) == 0) {
9418 		wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
9419 	} else if (os_strcmp(buf, "MIB") == 0) {
9420 		reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
9421 		if (reply_len >= 0) {
9422 			reply_len += eapol_sm_get_mib(wpa_s->eapol,
9423 						      reply + reply_len,
9424 						      reply_size - reply_len);
9425 		}
9426 	} else if (os_strncmp(buf, "STATUS", 6) == 0) {
9427 		reply_len = wpa_supplicant_ctrl_iface_status(
9428 			wpa_s, buf + 6, reply, reply_size);
9429 	} else if (os_strcmp(buf, "PMKSA") == 0) {
9430 		reply_len = wpas_ctrl_iface_pmksa(wpa_s, reply, reply_size);
9431 	} else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
9432 		wpas_ctrl_iface_pmksa_flush(wpa_s);
9433 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
9434 	} else if (os_strncmp(buf, "PMKSA_GET ", 10) == 0) {
9435 		reply_len = wpas_ctrl_iface_pmksa_get(wpa_s, buf + 10,
9436 						      reply, reply_size);
9437 	} else if (os_strncmp(buf, "PMKSA_ADD ", 10) == 0) {
9438 		if (wpas_ctrl_iface_pmksa_add(wpa_s, buf + 10) < 0)
9439 			reply_len = -1;
9440 #ifdef CONFIG_MESH
9441 	} else if (os_strncmp(buf, "MESH_PMKSA_GET ", 15) == 0) {
9442 		reply_len = wpas_ctrl_iface_mesh_pmksa_get(wpa_s, buf + 15,
9443 							   reply, reply_size);
9444 	} else if (os_strncmp(buf, "MESH_PMKSA_ADD ", 15) == 0) {
9445 		if (wpas_ctrl_iface_mesh_pmksa_add(wpa_s, buf + 15) < 0)
9446 			reply_len = -1;
9447 #endif /* CONFIG_MESH */
9448 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
9449 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
9450 		if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
9451 			reply_len = -1;
9452 	} else if (os_strncmp(buf, "DUMP", 4) == 0) {
9453 		reply_len = wpa_config_dump_values(wpa_s->conf,
9454 						   reply, reply_size);
9455 	} else if (os_strncmp(buf, "GET ", 4) == 0) {
9456 		reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
9457 							  reply, reply_size);
9458 	} else if (os_strcmp(buf, "LOGON") == 0) {
9459 		eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
9460 	} else if (os_strcmp(buf, "LOGOFF") == 0) {
9461 		eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
9462 	} else if (os_strcmp(buf, "REASSOCIATE") == 0) {
9463 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
9464 			reply_len = -1;
9465 		else
9466 			wpas_request_connection(wpa_s);
9467 	} else if (os_strcmp(buf, "REATTACH") == 0) {
9468 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
9469 		    !wpa_s->current_ssid)
9470 			reply_len = -1;
9471 		else {
9472 			wpa_s->reattach = 1;
9473 			wpas_request_connection(wpa_s);
9474 		}
9475 	} else if (os_strcmp(buf, "RECONNECT") == 0) {
9476 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
9477 			reply_len = -1;
9478 		else if (wpa_s->disconnected)
9479 			wpas_request_connection(wpa_s);
9480 #ifdef IEEE8021X_EAPOL
9481 	} else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
9482 		if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
9483 			reply_len = -1;
9484 #endif /* IEEE8021X_EAPOL */
9485 #ifdef CONFIG_PEERKEY
9486 	} else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
9487 		if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
9488 			reply_len = -1;
9489 #endif /* CONFIG_PEERKEY */
9490 #ifdef CONFIG_IEEE80211R
9491 	} else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
9492 		if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
9493 			reply_len = -1;
9494 #endif /* CONFIG_IEEE80211R */
9495 #ifdef CONFIG_WPS
9496 	} else if (os_strcmp(buf, "WPS_PBC") == 0) {
9497 		int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
9498 		if (res == -2) {
9499 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
9500 			reply_len = 17;
9501 		} else if (res)
9502 			reply_len = -1;
9503 	} else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
9504 		int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
9505 		if (res == -2) {
9506 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
9507 			reply_len = 17;
9508 		} else if (res)
9509 			reply_len = -1;
9510 	} else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
9511 		reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
9512 							      reply,
9513 							      reply_size);
9514 	} else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
9515 		reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
9516 			wpa_s, buf + 14, reply, reply_size);
9517 	} else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
9518 		if (wpas_wps_cancel(wpa_s))
9519 			reply_len = -1;
9520 #ifdef CONFIG_WPS_NFC
9521 	} else if (os_strcmp(buf, "WPS_NFC") == 0) {
9522 		if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
9523 			reply_len = -1;
9524 	} else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
9525 		if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
9526 			reply_len = -1;
9527 	} else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
9528 		reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
9529 			wpa_s, buf + 21, reply, reply_size);
9530 	} else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
9531 		reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
9532 			wpa_s, buf + 14, reply, reply_size);
9533 	} else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
9534 		if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
9535 							       buf + 17))
9536 			reply_len = -1;
9537 	} else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
9538 		reply_len = wpas_ctrl_nfc_get_handover_req(
9539 			wpa_s, buf + 21, reply, reply_size);
9540 	} else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
9541 		reply_len = wpas_ctrl_nfc_get_handover_sel(
9542 			wpa_s, buf + 21, reply, reply_size);
9543 	} else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
9544 		if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
9545 			reply_len = -1;
9546 #endif /* CONFIG_WPS_NFC */
9547 	} else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
9548 		if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
9549 			reply_len = -1;
9550 #ifdef CONFIG_AP
9551 	} else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
9552 		reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
9553 			wpa_s, buf + 11, reply, reply_size);
9554 #endif /* CONFIG_AP */
9555 #ifdef CONFIG_WPS_ER
9556 	} else if (os_strcmp(buf, "WPS_ER_START") == 0) {
9557 		if (wpas_wps_er_start(wpa_s, NULL))
9558 			reply_len = -1;
9559 	} else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
9560 		if (wpas_wps_er_start(wpa_s, buf + 13))
9561 			reply_len = -1;
9562 	} else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
9563 		wpas_wps_er_stop(wpa_s);
9564 	} else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
9565 		if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
9566 			reply_len = -1;
9567 	} else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
9568 		int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
9569 		if (ret == -2) {
9570 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
9571 			reply_len = 17;
9572 		} else if (ret == -3) {
9573 			os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
9574 			reply_len = 18;
9575 		} else if (ret == -4) {
9576 			os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
9577 			reply_len = 20;
9578 		} else if (ret)
9579 			reply_len = -1;
9580 	} else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
9581 		if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
9582 			reply_len = -1;
9583 	} else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
9584 		if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
9585 								buf + 18))
9586 			reply_len = -1;
9587 	} else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
9588 		if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
9589 			reply_len = -1;
9590 #ifdef CONFIG_WPS_NFC
9591 	} else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
9592 		reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
9593 			wpa_s, buf + 24, reply, reply_size);
9594 #endif /* CONFIG_WPS_NFC */
9595 #endif /* CONFIG_WPS_ER */
9596 #endif /* CONFIG_WPS */
9597 #ifdef CONFIG_IBSS_RSN
9598 	} else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
9599 		if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
9600 			reply_len = -1;
9601 #endif /* CONFIG_IBSS_RSN */
9602 #ifdef CONFIG_MESH
9603 	} else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
9604 		reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
9605 			wpa_s, buf + 19, reply, reply_size);
9606 	} else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
9607 		reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
9608 			wpa_s, "", reply, reply_size);
9609 	} else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
9610 		if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
9611 			reply_len = -1;
9612 	} else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
9613 		if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
9614 								buf + 18))
9615 			reply_len = -1;
9616 	} else if (os_strncmp(buf, "MESH_PEER_REMOVE ", 17) == 0) {
9617 		if (wpa_supplicant_ctrl_iface_mesh_peer_remove(wpa_s, buf + 17))
9618 			reply_len = -1;
9619 	} else if (os_strncmp(buf, "MESH_PEER_ADD ", 14) == 0) {
9620 		if (wpa_supplicant_ctrl_iface_mesh_peer_add(wpa_s, buf + 14))
9621 			reply_len = -1;
9622 #endif /* CONFIG_MESH */
9623 #ifdef CONFIG_P2P
9624 	} else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
9625 		if (p2p_ctrl_find(wpa_s, buf + 8))
9626 			reply_len = -1;
9627 	} else if (os_strcmp(buf, "P2P_FIND") == 0) {
9628 		if (p2p_ctrl_find(wpa_s, ""))
9629 			reply_len = -1;
9630 	} else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
9631 		wpas_p2p_stop_find(wpa_s);
9632 	} else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
9633 		if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
9634 			reply_len = -1;
9635 	} else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
9636 		if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
9637 			reply_len = -1;
9638 	} else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
9639 		reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
9640 					     reply_size);
9641 	} else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
9642 		if (p2p_ctrl_listen(wpa_s, buf + 11))
9643 			reply_len = -1;
9644 	} else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
9645 		if (p2p_ctrl_listen(wpa_s, ""))
9646 			reply_len = -1;
9647 	} else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
9648 		if (wpas_p2p_group_remove(wpa_s, buf + 17))
9649 			reply_len = -1;
9650 	} else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
9651 		if (p2p_ctrl_group_add(wpa_s, ""))
9652 			reply_len = -1;
9653 	} else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
9654 		if (p2p_ctrl_group_add(wpa_s, buf + 14))
9655 			reply_len = -1;
9656 	} else if (os_strncmp(buf, "P2P_GROUP_MEMBER ", 17) == 0) {
9657 		reply_len = p2p_ctrl_group_member(wpa_s, buf + 17, reply,
9658 						  reply_size);
9659 	} else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
9660 		if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
9661 			reply_len = -1;
9662 	} else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
9663 		reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
9664 	} else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
9665 		reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
9666 						   reply_size);
9667 	} else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
9668 		if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
9669 			reply_len = -1;
9670 	} else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
9671 		if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
9672 			reply_len = -1;
9673 	} else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
9674 		wpas_p2p_sd_service_update(wpa_s);
9675 	} else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
9676 		if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
9677 			reply_len = -1;
9678 	} else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
9679 		wpas_p2p_service_flush(wpa_s);
9680 	} else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
9681 		if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
9682 			reply_len = -1;
9683 	} else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
9684 		if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
9685 			reply_len = -1;
9686 	} else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
9687 		if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
9688 			reply_len = -1;
9689 	} else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
9690 		if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
9691 			reply_len = -1;
9692 	} else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
9693 		if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
9694 			reply_len = -1;
9695 	} else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
9696 		reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
9697 					      reply_size);
9698 	} else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
9699 		if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
9700 			reply_len = -1;
9701 	} else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
9702 		p2p_ctrl_flush(wpa_s);
9703 	} else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
9704 		if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
9705 			reply_len = -1;
9706 	} else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
9707 		if (wpas_p2p_cancel(wpa_s))
9708 			reply_len = -1;
9709 	} else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
9710 		if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
9711 			reply_len = -1;
9712 	} else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
9713 		if (p2p_ctrl_presence_req(wpa_s, "") < 0)
9714 			reply_len = -1;
9715 	} else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
9716 		if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
9717 			reply_len = -1;
9718 	} else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
9719 		if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
9720 			reply_len = -1;
9721 	} else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
9722 		if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
9723 			reply_len = -1;
9724 	} else if (os_strncmp(buf, "P2P_LO_START ", 13) == 0) {
9725 		if (p2p_ctrl_iface_p2p_lo_start(wpa_s, buf + 13))
9726 			reply_len = -1;
9727 	} else if (os_strcmp(buf, "P2P_LO_STOP") == 0) {
9728 		if (wpas_p2p_lo_stop(wpa_s))
9729 			reply_len = -1;
9730 #endif /* CONFIG_P2P */
9731 #ifdef CONFIG_WIFI_DISPLAY
9732 	} else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
9733 		if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
9734 			reply_len = -1;
9735 	} else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
9736 		reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
9737 						     reply, reply_size);
9738 #endif /* CONFIG_WIFI_DISPLAY */
9739 #ifdef CONFIG_INTERWORKING
9740 	} else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
9741 		if (interworking_fetch_anqp(wpa_s) < 0)
9742 			reply_len = -1;
9743 	} else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
9744 		interworking_stop_fetch_anqp(wpa_s);
9745 	} else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
9746 		if (ctrl_interworking_select(wpa_s, NULL) < 0)
9747 			reply_len = -1;
9748 	} else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
9749 		if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
9750 			reply_len = -1;
9751 	} else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
9752 		if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
9753 			reply_len = -1;
9754 	} else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
9755 		int id;
9756 
9757 		id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
9758 		if (id < 0)
9759 			reply_len = -1;
9760 		else {
9761 			reply_len = os_snprintf(reply, reply_size, "%d\n", id);
9762 			if (os_snprintf_error(reply_size, reply_len))
9763 				reply_len = -1;
9764 		}
9765 	} else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
9766 		if (get_anqp(wpa_s, buf + 9) < 0)
9767 			reply_len = -1;
9768 	} else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
9769 		if (gas_request(wpa_s, buf + 12) < 0)
9770 			reply_len = -1;
9771 	} else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
9772 		reply_len = gas_response_get(wpa_s, buf + 17, reply,
9773 					     reply_size);
9774 #endif /* CONFIG_INTERWORKING */
9775 #ifdef CONFIG_HS20
9776 	} else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
9777 		if (get_hs20_anqp(wpa_s, buf + 14) < 0)
9778 			reply_len = -1;
9779 	} else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
9780 		if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
9781 			reply_len = -1;
9782 	} else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
9783 		if (hs20_icon_request(wpa_s, buf + 18, 0) < 0)
9784 			reply_len = -1;
9785 	} else if (os_strncmp(buf, "REQ_HS20_ICON ", 14) == 0) {
9786 		if (hs20_icon_request(wpa_s, buf + 14, 1) < 0)
9787 			reply_len = -1;
9788 	} else if (os_strncmp(buf, "GET_HS20_ICON ", 14) == 0) {
9789 		reply_len = get_hs20_icon(wpa_s, buf + 14, reply, reply_size);
9790 	} else if (os_strncmp(buf, "DEL_HS20_ICON ", 14) == 0) {
9791 		if (del_hs20_icon(wpa_s, buf + 14) < 0)
9792 			reply_len = -1;
9793 	} else if (os_strcmp(buf, "FETCH_OSU") == 0) {
9794 		if (hs20_fetch_osu(wpa_s, 0) < 0)
9795 			reply_len = -1;
9796 	} else if (os_strcmp(buf, "FETCH_OSU no-scan") == 0) {
9797 		if (hs20_fetch_osu(wpa_s, 1) < 0)
9798 			reply_len = -1;
9799 	} else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
9800 		hs20_cancel_fetch_osu(wpa_s);
9801 #endif /* CONFIG_HS20 */
9802 	} else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
9803 	{
9804 		if (wpa_supplicant_ctrl_iface_ctrl_rsp(
9805 			    wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
9806 			reply_len = -1;
9807 		else {
9808 			/*
9809 			 * Notify response from timeout to allow the control
9810 			 * interface response to be sent first.
9811 			 */
9812 			eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
9813 					       wpa_s, NULL);
9814 		}
9815 	} else if (os_strcmp(buf, "RECONFIGURE") == 0) {
9816 		if (wpa_supplicant_reload_configuration(wpa_s))
9817 			reply_len = -1;
9818 	} else if (os_strcmp(buf, "TERMINATE") == 0) {
9819 		wpa_supplicant_terminate_proc(wpa_s->global);
9820 	} else if (os_strncmp(buf, "BSSID ", 6) == 0) {
9821 		if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
9822 			reply_len = -1;
9823 	} else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
9824 		reply_len = wpa_supplicant_ctrl_iface_blacklist(
9825 			wpa_s, buf + 9, reply, reply_size);
9826 	} else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
9827 		reply_len = wpa_supplicant_ctrl_iface_log_level(
9828 			wpa_s, buf + 9, reply, reply_size);
9829 	} else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
9830 		reply_len = wpa_supplicant_ctrl_iface_list_networks(
9831 			wpa_s, buf + 14, reply, reply_size);
9832 	} else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
9833 		reply_len = wpa_supplicant_ctrl_iface_list_networks(
9834 			wpa_s, NULL, reply, reply_size);
9835 	} else if (os_strcmp(buf, "DISCONNECT") == 0) {
9836 		wpas_request_disconnection(wpa_s);
9837 	} else if (os_strcmp(buf, "SCAN") == 0) {
9838 		wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
9839 	} else if (os_strncmp(buf, "SCAN ", 5) == 0) {
9840 		wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
9841 	} else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
9842 		reply_len = wpa_supplicant_ctrl_iface_scan_results(
9843 			wpa_s, reply, reply_size);
9844 	} else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
9845 		if (wpas_abort_ongoing_scan(wpa_s) < 0)
9846 			reply_len = -1;
9847 	} else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
9848 		if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
9849 			reply_len = -1;
9850 	} else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
9851 		if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
9852 			reply_len = -1;
9853 	} else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
9854 		if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
9855 			reply_len = -1;
9856 	} else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
9857 		reply_len = wpa_supplicant_ctrl_iface_add_network(
9858 			wpa_s, reply, reply_size);
9859 	} else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
9860 		if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
9861 			reply_len = -1;
9862 	} else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
9863 		if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
9864 			reply_len = -1;
9865 	} else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
9866 		reply_len = wpa_supplicant_ctrl_iface_get_network(
9867 			wpa_s, buf + 12, reply, reply_size);
9868 	} else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
9869 		if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
9870 							  wpa_s))
9871 			reply_len = -1;
9872 	} else if (os_strcmp(buf, "LIST_CREDS") == 0) {
9873 		reply_len = wpa_supplicant_ctrl_iface_list_creds(
9874 			wpa_s, reply, reply_size);
9875 	} else if (os_strcmp(buf, "ADD_CRED") == 0) {
9876 		reply_len = wpa_supplicant_ctrl_iface_add_cred(
9877 			wpa_s, reply, reply_size);
9878 	} else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
9879 		if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
9880 			reply_len = -1;
9881 	} else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
9882 		if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
9883 			reply_len = -1;
9884 	} else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
9885 		reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
9886 							       reply,
9887 							       reply_size);
9888 #ifndef CONFIG_NO_CONFIG_WRITE
9889 	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
9890 		if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
9891 			reply_len = -1;
9892 #endif /* CONFIG_NO_CONFIG_WRITE */
9893 	} else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
9894 		reply_len = wpa_supplicant_ctrl_iface_get_capability(
9895 			wpa_s, buf + 15, reply, reply_size);
9896 	} else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
9897 		if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
9898 			reply_len = -1;
9899 	} else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
9900 		if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
9901 			reply_len = -1;
9902 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
9903 		reply_len = wpa_supplicant_global_iface_list(
9904 			wpa_s->global, reply, reply_size);
9905 	} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
9906 		reply_len = wpa_supplicant_global_iface_interfaces(
9907 			wpa_s->global, buf + 10, reply, reply_size);
9908 	} else if (os_strncmp(buf, "BSS ", 4) == 0) {
9909 		reply_len = wpa_supplicant_ctrl_iface_bss(
9910 			wpa_s, buf + 4, reply, reply_size);
9911 #ifdef CONFIG_AP
9912 	} else if (os_strcmp(buf, "STA-FIRST") == 0) {
9913 		reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
9914 	} else if (os_strncmp(buf, "STA ", 4) == 0) {
9915 		reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
9916 					      reply_size);
9917 	} else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
9918 		reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
9919 						   reply_size);
9920 	} else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
9921 		if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
9922 			reply_len = -1;
9923 	} else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
9924 		if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
9925 			reply_len = -1;
9926 	} else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
9927 		if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
9928 			reply_len = -1;
9929 	} else if (os_strcmp(buf, "STOP_AP") == 0) {
9930 		if (wpas_ap_stop_ap(wpa_s))
9931 			reply_len = -1;
9932 #endif /* CONFIG_AP */
9933 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
9934 		wpas_notify_suspend(wpa_s->global);
9935 	} else if (os_strcmp(buf, "RESUME") == 0) {
9936 		wpas_notify_resume(wpa_s->global);
9937 #ifdef CONFIG_TESTING_OPTIONS
9938 	} else if (os_strcmp(buf, "DROP_SA") == 0) {
9939 		wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
9940 #endif /* CONFIG_TESTING_OPTIONS */
9941 	} else if (os_strncmp(buf, "ROAM ", 5) == 0) {
9942 		if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
9943 			reply_len = -1;
9944 	} else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
9945 		wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
9946 	} else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
9947 		if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
9948 			reply_len = -1;
9949 	} else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
9950 		if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
9951 							       buf + 17))
9952 			reply_len = -1;
9953 	} else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
9954 		wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
9955 #ifdef CONFIG_TDLS
9956 	} else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
9957 		if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
9958 			reply_len = -1;
9959 	} else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
9960 		if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
9961 			reply_len = -1;
9962 	} else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
9963 		if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
9964 			reply_len = -1;
9965 	} else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
9966 		if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
9967 							       buf + 17))
9968 			reply_len = -1;
9969 	} else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
9970 		if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
9971 								      buf + 24))
9972 			reply_len = -1;
9973 	} else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
9974 		reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
9975 			wpa_s, buf + 17, reply, reply_size);
9976 #endif /* CONFIG_TDLS */
9977 	} else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
9978 		reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
9979 	} else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
9980 		if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
9981 			reply_len = -1;
9982 	} else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
9983 		if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
9984 			reply_len = -1;
9985 	} else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
9986 		reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
9987 						       reply_size);
9988 	} else if (os_strncmp(buf, "SIGNAL_MONITOR", 14) == 0) {
9989 		if (wpas_ctrl_iface_signal_monitor(wpa_s, buf + 14))
9990 			reply_len = -1;
9991 	} else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
9992 		reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
9993 						       reply_size);
9994 #ifdef CONFIG_AUTOSCAN
9995 	} else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
9996 		if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
9997 			reply_len = -1;
9998 #endif /* CONFIG_AUTOSCAN */
9999 	} else if (os_strcmp(buf, "DRIVER_FLAGS") == 0) {
10000 		reply_len = wpas_ctrl_iface_driver_flags(wpa_s, reply,
10001 							 reply_size);
10002 #ifdef ANDROID
10003 	} else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
10004 		reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
10005 						      reply_size);
10006 #endif /* ANDROID */
10007 	} else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
10008 		reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
10009 						      reply_size);
10010 	} else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
10011 		pmksa_cache_clear_current(wpa_s->wpa);
10012 		eapol_sm_request_reauth(wpa_s->eapol);
10013 #ifdef CONFIG_WNM
10014 	} else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
10015 		if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
10016 			reply_len = -1;
10017 	} else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
10018 		if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
10019 				reply_len = -1;
10020 #endif /* CONFIG_WNM */
10021 	} else if (os_strcmp(buf, "FLUSH") == 0) {
10022 		wpa_supplicant_ctrl_iface_flush(wpa_s);
10023 	} else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
10024 		reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
10025 						 reply_size);
10026 #ifdef CONFIG_TESTING_OPTIONS
10027 	} else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
10028 		if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
10029 			reply_len = -1;
10030 	} else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
10031 		wpas_ctrl_iface_mgmt_tx_done(wpa_s);
10032 	} else if (os_strncmp(buf, "MGMT_RX_PROCESS ", 16) == 0) {
10033 		if (wpas_ctrl_iface_mgmt_rx_process(wpa_s, buf + 16) < 0)
10034 			reply_len = -1;
10035 	} else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
10036 		if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
10037 			reply_len = -1;
10038 	} else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
10039 		if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
10040 			reply_len = -1;
10041 	} else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
10042 		if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
10043 			reply_len = -1;
10044 	} else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
10045 		if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
10046 			reply_len = -1;
10047 	} else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
10048 		if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
10049 			reply_len = -1;
10050 	} else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
10051 		if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
10052 			reply_len = -1;
10053 	} else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
10054 		reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
10055 	} else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
10056 		if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
10057 			reply_len = -1;
10058 	} else if (os_strcmp(buf, "GET_FAIL") == 0) {
10059 		reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
10060 	} else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
10061 		if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
10062 			reply_len = -1;
10063 	} else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
10064 		if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
10065 			reply_len = -1;
10066 #endif /* CONFIG_TESTING_OPTIONS */
10067 	} else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
10068 		if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
10069 			reply_len = -1;
10070 	} else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
10071 		reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
10072 						      reply_size);
10073 	} else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
10074 		if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
10075 			reply_len = -1;
10076 	} else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
10077 		if (wpas_ctrl_iface_send_neighbor_rep(wpa_s, buf + 20))
10078 			reply_len = -1;
10079 	} else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
10080 		wpas_ctrl_iface_erp_flush(wpa_s);
10081 	} else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
10082 		if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
10083 			reply_len = -1;
10084 	} else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
10085 		reply_len = wpas_ctrl_iface_get_pref_freq_list(
10086 			wpa_s, buf + 19, reply, reply_size);
10087 #ifdef CONFIG_FILS
10088 	} else if (os_strncmp(buf, "FILS_HLP_REQ_ADD ", 17) == 0) {
10089 		if (wpas_ctrl_iface_fils_hlp_req_add(wpa_s, buf + 17))
10090 			reply_len = -1;
10091 	} else if (os_strcmp(buf, "FILS_HLP_REQ_FLUSH") == 0) {
10092 		wpas_flush_fils_hlp_req(wpa_s);
10093 #endif /* CONFIG_FILS */
10094 	} else {
10095 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
10096 		reply_len = 16;
10097 	}
10098 
10099 	if (reply_len < 0) {
10100 		os_memcpy(reply, "FAIL\n", 5);
10101 		reply_len = 5;
10102 	}
10103 
10104 	*resp_len = reply_len;
10105 	return reply;
10106 }
10107 
10108 
wpa_supplicant_global_iface_add(struct wpa_global * global,char * cmd)10109 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
10110 					   char *cmd)
10111 {
10112 	struct wpa_interface iface;
10113 	char *pos, *extra;
10114 	struct wpa_supplicant *wpa_s;
10115 	unsigned int create_iface = 0;
10116 	u8 mac_addr[ETH_ALEN];
10117 	enum wpa_driver_if_type type = WPA_IF_STATION;
10118 
10119 	/*
10120 	 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
10121 	 * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
10122 	 */
10123 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
10124 
10125 	os_memset(&iface, 0, sizeof(iface));
10126 
10127 	do {
10128 		iface.ifname = pos = cmd;
10129 		pos = os_strchr(pos, '\t');
10130 		if (pos)
10131 			*pos++ = '\0';
10132 		if (iface.ifname[0] == '\0')
10133 			return -1;
10134 		if (pos == NULL)
10135 			break;
10136 
10137 		iface.confname = pos;
10138 		pos = os_strchr(pos, '\t');
10139 		if (pos)
10140 			*pos++ = '\0';
10141 		if (iface.confname[0] == '\0')
10142 			iface.confname = NULL;
10143 		if (pos == NULL)
10144 			break;
10145 
10146 		iface.driver = pos;
10147 		pos = os_strchr(pos, '\t');
10148 		if (pos)
10149 			*pos++ = '\0';
10150 		if (iface.driver[0] == '\0')
10151 			iface.driver = NULL;
10152 		if (pos == NULL)
10153 			break;
10154 
10155 		iface.ctrl_interface = pos;
10156 		pos = os_strchr(pos, '\t');
10157 		if (pos)
10158 			*pos++ = '\0';
10159 		if (iface.ctrl_interface[0] == '\0')
10160 			iface.ctrl_interface = NULL;
10161 		if (pos == NULL)
10162 			break;
10163 
10164 		iface.driver_param = pos;
10165 		pos = os_strchr(pos, '\t');
10166 		if (pos)
10167 			*pos++ = '\0';
10168 		if (iface.driver_param[0] == '\0')
10169 			iface.driver_param = NULL;
10170 		if (pos == NULL)
10171 			break;
10172 
10173 		iface.bridge_ifname = pos;
10174 		pos = os_strchr(pos, '\t');
10175 		if (pos)
10176 			*pos++ = '\0';
10177 		if (iface.bridge_ifname[0] == '\0')
10178 			iface.bridge_ifname = NULL;
10179 		if (pos == NULL)
10180 			break;
10181 
10182 		extra = pos;
10183 		pos = os_strchr(pos, '\t');
10184 		if (pos)
10185 			*pos++ = '\0';
10186 		if (!extra[0])
10187 			break;
10188 
10189 		if (os_strcmp(extra, "create") == 0) {
10190 			create_iface = 1;
10191 			if (!pos)
10192 				break;
10193 
10194 			if (os_strcmp(pos, "sta") == 0) {
10195 				type = WPA_IF_STATION;
10196 			} else if (os_strcmp(pos, "ap") == 0) {
10197 				type = WPA_IF_AP_BSS;
10198 			} else {
10199 				wpa_printf(MSG_DEBUG,
10200 					   "INTERFACE_ADD unsupported interface type: '%s'",
10201 					   pos);
10202 				return -1;
10203 			}
10204 		} else {
10205 			wpa_printf(MSG_DEBUG,
10206 				   "INTERFACE_ADD unsupported extra parameter: '%s'",
10207 				   extra);
10208 			return -1;
10209 		}
10210 	} while (0);
10211 
10212 	if (create_iface) {
10213 		wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
10214 			   iface.ifname);
10215 		if (!global->ifaces)
10216 			return -1;
10217 		if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
10218 				   NULL, NULL, NULL, mac_addr, NULL) < 0) {
10219 			wpa_printf(MSG_ERROR,
10220 				   "CTRL_IFACE interface creation failed");
10221 			return -1;
10222 		}
10223 
10224 		wpa_printf(MSG_DEBUG,
10225 			   "CTRL_IFACE interface '%s' created with MAC addr: "
10226 			   MACSTR, iface.ifname, MAC2STR(mac_addr));
10227 	}
10228 
10229 	if (wpa_supplicant_get_iface(global, iface.ifname))
10230 		goto fail;
10231 
10232 	wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
10233 	if (!wpa_s)
10234 		goto fail;
10235 	wpa_s->added_vif = create_iface;
10236 	return 0;
10237 
10238 fail:
10239 	if (create_iface)
10240 		wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
10241 	return -1;
10242 }
10243 
10244 
wpa_supplicant_global_iface_remove(struct wpa_global * global,char * cmd)10245 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
10246 					      char *cmd)
10247 {
10248 	struct wpa_supplicant *wpa_s;
10249 	int ret;
10250 	unsigned int delete_iface;
10251 
10252 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
10253 
10254 	wpa_s = wpa_supplicant_get_iface(global, cmd);
10255 	if (wpa_s == NULL)
10256 		return -1;
10257 	delete_iface = wpa_s->added_vif;
10258 	ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
10259 	if (!ret && delete_iface) {
10260 		wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
10261 			   cmd);
10262 		ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
10263 	}
10264 	return ret;
10265 }
10266 
10267 
wpa_free_iface_info(struct wpa_interface_info * iface)10268 static void wpa_free_iface_info(struct wpa_interface_info *iface)
10269 {
10270 	struct wpa_interface_info *prev;
10271 
10272 	while (iface) {
10273 		prev = iface;
10274 		iface = iface->next;
10275 
10276 		os_free(prev->ifname);
10277 		os_free(prev->desc);
10278 		os_free(prev);
10279 	}
10280 }
10281 
10282 
wpa_supplicant_global_iface_list(struct wpa_global * global,char * buf,int len)10283 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
10284 					    char *buf, int len)
10285 {
10286 	int i, res;
10287 	struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
10288 	char *pos, *end;
10289 
10290 	for (i = 0; wpa_drivers[i]; i++) {
10291 		const struct wpa_driver_ops *drv = wpa_drivers[i];
10292 		if (drv->get_interfaces == NULL)
10293 			continue;
10294 		tmp = drv->get_interfaces(global->drv_priv[i]);
10295 		if (tmp == NULL)
10296 			continue;
10297 
10298 		if (last == NULL)
10299 			iface = last = tmp;
10300 		else
10301 			last->next = tmp;
10302 		while (last->next)
10303 			last = last->next;
10304 	}
10305 
10306 	pos = buf;
10307 	end = buf + len;
10308 	for (tmp = iface; tmp; tmp = tmp->next) {
10309 		res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
10310 				  tmp->drv_name, tmp->ifname,
10311 				  tmp->desc ? tmp->desc : "");
10312 		if (os_snprintf_error(end - pos, res)) {
10313 			*pos = '\0';
10314 			break;
10315 		}
10316 		pos += res;
10317 	}
10318 
10319 	wpa_free_iface_info(iface);
10320 
10321 	return pos - buf;
10322 }
10323 
10324 
wpa_supplicant_global_iface_interfaces(struct wpa_global * global,const char * input,char * buf,int len)10325 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
10326 						  const char *input,
10327 						  char *buf, int len)
10328 {
10329 	int res;
10330 	char *pos, *end;
10331 	struct wpa_supplicant *wpa_s;
10332 	int show_ctrl = 0;
10333 
10334 	if (input)
10335 		show_ctrl = !!os_strstr(input, "ctrl");
10336 
10337 	wpa_s = global->ifaces;
10338 	pos = buf;
10339 	end = buf + len;
10340 
10341 	while (wpa_s) {
10342 		if (show_ctrl)
10343 			res = os_snprintf(pos, end - pos, "%s ctrl_iface=%s\n",
10344 					  wpa_s->ifname,
10345 					  wpa_s->conf->ctrl_interface ?
10346 					  wpa_s->conf->ctrl_interface : "N/A");
10347 		else
10348 			res = os_snprintf(pos, end - pos, "%s\n",
10349 					  wpa_s->ifname);
10350 
10351 		if (os_snprintf_error(end - pos, res)) {
10352 			*pos = '\0';
10353 			break;
10354 		}
10355 		pos += res;
10356 		wpa_s = wpa_s->next;
10357 	}
10358 	return pos - buf;
10359 }
10360 
10361 
wpas_global_ctrl_iface_ifname(struct wpa_global * global,const char * ifname,char * cmd,size_t * resp_len)10362 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
10363 					    const char *ifname,
10364 					    char *cmd, size_t *resp_len)
10365 {
10366 	struct wpa_supplicant *wpa_s;
10367 
10368 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
10369 		if (os_strcmp(ifname, wpa_s->ifname) == 0)
10370 			break;
10371 	}
10372 
10373 	if (wpa_s == NULL) {
10374 		char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
10375 		if (resp)
10376 			*resp_len = os_strlen(resp);
10377 		else
10378 			*resp_len = 1;
10379 		return resp;
10380 	}
10381 
10382 	return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
10383 }
10384 
10385 
wpas_global_ctrl_iface_redir_p2p(struct wpa_global * global,char * buf,size_t * resp_len)10386 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
10387 					       char *buf, size_t *resp_len)
10388 {
10389 #ifdef CONFIG_P2P
10390 	static const char * cmd[] = {
10391 		"LIST_NETWORKS",
10392 		"P2P_FIND",
10393 		"P2P_STOP_FIND",
10394 		"P2P_LISTEN",
10395 		"P2P_GROUP_ADD",
10396 		"P2P_GET_PASSPHRASE",
10397 		"P2P_SERVICE_UPDATE",
10398 		"P2P_SERVICE_FLUSH",
10399 		"P2P_FLUSH",
10400 		"P2P_CANCEL",
10401 		"P2P_PRESENCE_REQ",
10402 		"P2P_EXT_LISTEN",
10403 #ifdef CONFIG_AP
10404 		"STA-FIRST",
10405 #endif /* CONFIG_AP */
10406 		NULL
10407 	};
10408 	static const char * prefix[] = {
10409 #ifdef ANDROID
10410 		"DRIVER ",
10411 #endif /* ANDROID */
10412 		"GET_NETWORK ",
10413 		"REMOVE_NETWORK ",
10414 		"P2P_FIND ",
10415 		"P2P_CONNECT ",
10416 		"P2P_LISTEN ",
10417 		"P2P_GROUP_REMOVE ",
10418 		"P2P_GROUP_ADD ",
10419 		"P2P_GROUP_MEMBER ",
10420 		"P2P_PROV_DISC ",
10421 		"P2P_SERV_DISC_REQ ",
10422 		"P2P_SERV_DISC_CANCEL_REQ ",
10423 		"P2P_SERV_DISC_RESP ",
10424 		"P2P_SERV_DISC_EXTERNAL ",
10425 		"P2P_SERVICE_ADD ",
10426 		"P2P_SERVICE_DEL ",
10427 		"P2P_SERVICE_REP ",
10428 		"P2P_REJECT ",
10429 		"P2P_INVITE ",
10430 		"P2P_PEER ",
10431 		"P2P_SET ",
10432 		"P2P_UNAUTHORIZE ",
10433 		"P2P_PRESENCE_REQ ",
10434 		"P2P_EXT_LISTEN ",
10435 		"P2P_REMOVE_CLIENT ",
10436 		"WPS_NFC_TOKEN ",
10437 		"WPS_NFC_TAG_READ ",
10438 		"NFC_GET_HANDOVER_SEL ",
10439 		"NFC_GET_HANDOVER_REQ ",
10440 		"NFC_REPORT_HANDOVER ",
10441 		"P2P_ASP_PROVISION ",
10442 		"P2P_ASP_PROVISION_RESP ",
10443 #ifdef CONFIG_AP
10444 		"STA ",
10445 		"STA-NEXT ",
10446 #endif /* CONFIG_AP */
10447 		NULL
10448 	};
10449 	int found = 0;
10450 	int i;
10451 
10452 	if (global->p2p_init_wpa_s == NULL)
10453 		return NULL;
10454 
10455 	for (i = 0; !found && cmd[i]; i++) {
10456 		if (os_strcmp(buf, cmd[i]) == 0)
10457 			found = 1;
10458 	}
10459 
10460 	for (i = 0; !found && prefix[i]; i++) {
10461 		if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
10462 			found = 1;
10463 	}
10464 
10465 	if (found)
10466 		return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
10467 							 buf, resp_len);
10468 #endif /* CONFIG_P2P */
10469 	return NULL;
10470 }
10471 
10472 
wpas_global_ctrl_iface_redir_wfd(struct wpa_global * global,char * buf,size_t * resp_len)10473 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
10474 					       char *buf, size_t *resp_len)
10475 {
10476 #ifdef CONFIG_WIFI_DISPLAY
10477 	if (global->p2p_init_wpa_s == NULL)
10478 		return NULL;
10479 	if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
10480 	    os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
10481 		return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
10482 							 buf, resp_len);
10483 #endif /* CONFIG_WIFI_DISPLAY */
10484 	return NULL;
10485 }
10486 
10487 
wpas_global_ctrl_iface_redir(struct wpa_global * global,char * buf,size_t * resp_len)10488 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
10489 					   char *buf, size_t *resp_len)
10490 {
10491 	char *ret;
10492 
10493 	ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
10494 	if (ret)
10495 		return ret;
10496 
10497 	ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
10498 	if (ret)
10499 		return ret;
10500 
10501 	return NULL;
10502 }
10503 
10504 
wpas_global_ctrl_iface_set(struct wpa_global * global,char * cmd)10505 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
10506 {
10507 	char *value;
10508 
10509 	value = os_strchr(cmd, ' ');
10510 	if (value == NULL)
10511 		return -1;
10512 	*value++ = '\0';
10513 
10514 	wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
10515 
10516 #ifdef CONFIG_WIFI_DISPLAY
10517 	if (os_strcasecmp(cmd, "wifi_display") == 0) {
10518 		wifi_display_enable(global, !!atoi(value));
10519 		return 0;
10520 	}
10521 #endif /* CONFIG_WIFI_DISPLAY */
10522 
10523 	/* Restore cmd to its original value to allow redirection */
10524 	value[-1] = ' ';
10525 
10526 	return -1;
10527 }
10528 
10529 
wpas_global_ctrl_iface_dup_network(struct wpa_global * global,char * cmd)10530 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
10531 					      char *cmd)
10532 {
10533 	struct wpa_supplicant *wpa_s[2]; /* src, dst */
10534 	char *p;
10535 	unsigned int i;
10536 
10537 	/* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
10538 	 * <variable name> */
10539 
10540 	for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
10541 		p = os_strchr(cmd, ' ');
10542 		if (p == NULL)
10543 			return -1;
10544 		*p = '\0';
10545 
10546 		wpa_s[i] = global->ifaces;
10547 		for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
10548 			if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
10549 				break;
10550 		}
10551 
10552 		if (!wpa_s[i]) {
10553 			wpa_printf(MSG_DEBUG,
10554 				   "CTRL_IFACE: Could not find iface=%s", cmd);
10555 			return -1;
10556 		}
10557 
10558 		cmd = p + 1;
10559 	}
10560 
10561 	return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
10562 }
10563 
10564 
10565 #ifndef CONFIG_NO_CONFIG_WRITE
wpas_global_ctrl_iface_save_config(struct wpa_global * global)10566 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
10567 {
10568 	int ret = 0, saved = 0;
10569 	struct wpa_supplicant *wpa_s;
10570 
10571 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
10572 		if (!wpa_s->conf->update_config) {
10573 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
10574 			continue;
10575 		}
10576 
10577 		if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
10578 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
10579 			ret = 1;
10580 		} else {
10581 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
10582 			saved++;
10583 		}
10584 	}
10585 
10586 	if (!saved && !ret) {
10587 		wpa_dbg(wpa_s, MSG_DEBUG,
10588 			"CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
10589 		ret = 1;
10590 	}
10591 
10592 	return ret;
10593 }
10594 #endif /* CONFIG_NO_CONFIG_WRITE */
10595 
10596 
wpas_global_ctrl_iface_status(struct wpa_global * global,char * buf,size_t buflen)10597 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
10598 					 char *buf, size_t buflen)
10599 {
10600 	char *pos, *end;
10601 	int ret;
10602 	struct wpa_supplicant *wpa_s;
10603 
10604 	pos = buf;
10605 	end = buf + buflen;
10606 
10607 #ifdef CONFIG_P2P
10608 	if (global->p2p && !global->p2p_disabled) {
10609 		ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
10610 				  "\n"
10611 				  "p2p_state=%s\n",
10612 				  MAC2STR(global->p2p_dev_addr),
10613 				  p2p_get_state_txt(global->p2p));
10614 		if (os_snprintf_error(end - pos, ret))
10615 			return pos - buf;
10616 		pos += ret;
10617 	} else if (global->p2p) {
10618 		ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
10619 		if (os_snprintf_error(end - pos, ret))
10620 			return pos - buf;
10621 		pos += ret;
10622 	}
10623 #endif /* CONFIG_P2P */
10624 
10625 #ifdef CONFIG_WIFI_DISPLAY
10626 	ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
10627 			  !!global->wifi_display);
10628 	if (os_snprintf_error(end - pos, ret))
10629 		return pos - buf;
10630 	pos += ret;
10631 #endif /* CONFIG_WIFI_DISPLAY */
10632 
10633 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
10634 		ret = os_snprintf(pos, end - pos, "ifname=%s\n"
10635 				  "address=" MACSTR "\n",
10636 				  wpa_s->ifname, MAC2STR(wpa_s->own_addr));
10637 		if (os_snprintf_error(end - pos, ret))
10638 			return pos - buf;
10639 		pos += ret;
10640 	}
10641 
10642 	return pos - buf;
10643 }
10644 
10645 
10646 #ifdef CONFIG_FST
10647 
wpas_global_ctrl_iface_fst_attach(struct wpa_global * global,char * cmd,char * buf,size_t reply_size)10648 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
10649 					     char *cmd, char *buf,
10650 					     size_t reply_size)
10651 {
10652 	char ifname[IFNAMSIZ + 1];
10653 	struct fst_iface_cfg cfg;
10654 	struct wpa_supplicant *wpa_s;
10655 	struct fst_wpa_obj iface_obj;
10656 
10657 	if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
10658 		wpa_s = wpa_supplicant_get_iface(global, ifname);
10659 		if (wpa_s) {
10660 			if (wpa_s->fst) {
10661 				wpa_printf(MSG_INFO, "FST: Already attached");
10662 				return -1;
10663 			}
10664 			fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
10665 			wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
10666 						&iface_obj, &cfg);
10667 			if (wpa_s->fst)
10668 				return os_snprintf(buf, reply_size, "OK\n");
10669 		}
10670 	}
10671 
10672 	return -1;
10673 }
10674 
10675 
wpas_global_ctrl_iface_fst_detach(struct wpa_global * global,char * cmd,char * buf,size_t reply_size)10676 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
10677 					     char *cmd, char *buf,
10678 					     size_t reply_size)
10679 {
10680 	char ifname[IFNAMSIZ + 1];
10681 	struct wpa_supplicant *wpa_s;
10682 
10683 	if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
10684 		wpa_s = wpa_supplicant_get_iface(global, ifname);
10685 		if (wpa_s) {
10686 			if (!fst_iface_detach(ifname)) {
10687 				wpa_s->fst = NULL;
10688 				return os_snprintf(buf, reply_size, "OK\n");
10689 			}
10690 		}
10691 	}
10692 
10693 	return -1;
10694 }
10695 
10696 #endif /* CONFIG_FST */
10697 
10698 
wpa_supplicant_global_ctrl_iface_process(struct wpa_global * global,char * buf,size_t * resp_len)10699 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
10700 						char *buf, size_t *resp_len)
10701 {
10702 	char *reply;
10703 	const int reply_size = 2048;
10704 	int reply_len;
10705 	int level = MSG_DEBUG;
10706 
10707 	if (os_strncmp(buf, "IFNAME=", 7) == 0) {
10708 		char *pos = os_strchr(buf + 7, ' ');
10709 		if (pos) {
10710 			*pos++ = '\0';
10711 			return wpas_global_ctrl_iface_ifname(global,
10712 							     buf + 7, pos,
10713 							     resp_len);
10714 		}
10715 	}
10716 
10717 	reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
10718 	if (reply)
10719 		return reply;
10720 
10721 	if (os_strcmp(buf, "PING") == 0)
10722 		level = MSG_EXCESSIVE;
10723 	wpa_hexdump_ascii(level, "RX global ctrl_iface",
10724 			  (const u8 *) buf, os_strlen(buf));
10725 
10726 	reply = os_malloc(reply_size);
10727 	if (reply == NULL) {
10728 		*resp_len = 1;
10729 		return NULL;
10730 	}
10731 
10732 	os_memcpy(reply, "OK\n", 3);
10733 	reply_len = 3;
10734 
10735 	if (os_strcmp(buf, "PING") == 0) {
10736 		os_memcpy(reply, "PONG\n", 5);
10737 		reply_len = 5;
10738 	} else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
10739 		if (wpa_supplicant_global_iface_add(global, buf + 14))
10740 			reply_len = -1;
10741 	} else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
10742 		if (wpa_supplicant_global_iface_remove(global, buf + 17))
10743 			reply_len = -1;
10744 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
10745 		reply_len = wpa_supplicant_global_iface_list(
10746 			global, reply, reply_size);
10747 	} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
10748 		reply_len = wpa_supplicant_global_iface_interfaces(
10749 			global, buf + 10, reply, reply_size);
10750 #ifdef CONFIG_FST
10751 	} else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
10752 		reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
10753 							      reply,
10754 							      reply_size);
10755 	} else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
10756 		reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
10757 							      reply,
10758 							      reply_size);
10759 	} else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
10760 		reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
10761 #endif /* CONFIG_FST */
10762 	} else if (os_strcmp(buf, "TERMINATE") == 0) {
10763 		wpa_supplicant_terminate_proc(global);
10764 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
10765 		wpas_notify_suspend(global);
10766 	} else if (os_strcmp(buf, "RESUME") == 0) {
10767 		wpas_notify_resume(global);
10768 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
10769 		if (wpas_global_ctrl_iface_set(global, buf + 4)) {
10770 #ifdef CONFIG_P2P
10771 			if (global->p2p_init_wpa_s) {
10772 				os_free(reply);
10773 				/* Check if P2P redirection would work for this
10774 				 * command. */
10775 				return wpa_supplicant_ctrl_iface_process(
10776 					global->p2p_init_wpa_s,
10777 					buf, resp_len);
10778 			}
10779 #endif /* CONFIG_P2P */
10780 			reply_len = -1;
10781 		}
10782 	} else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
10783 		if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
10784 			reply_len = -1;
10785 #ifndef CONFIG_NO_CONFIG_WRITE
10786 	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
10787 		if (wpas_global_ctrl_iface_save_config(global))
10788 			reply_len = -1;
10789 #endif /* CONFIG_NO_CONFIG_WRITE */
10790 	} else if (os_strcmp(buf, "STATUS") == 0) {
10791 		reply_len = wpas_global_ctrl_iface_status(global, reply,
10792 							  reply_size);
10793 #ifdef CONFIG_MODULE_TESTS
10794 	} else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
10795 		if (wpas_module_tests() < 0)
10796 			reply_len = -1;
10797 #endif /* CONFIG_MODULE_TESTS */
10798 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
10799 		if (wpa_debug_reopen_file() < 0)
10800 			reply_len = -1;
10801 	} else {
10802 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
10803 		reply_len = 16;
10804 	}
10805 
10806 	if (reply_len < 0) {
10807 		os_memcpy(reply, "FAIL\n", 5);
10808 		reply_len = 5;
10809 	}
10810 
10811 	*resp_len = reply_len;
10812 	return reply;
10813 }
10814