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1 /*
2  * WPA Supplicant / Control interface (shared code for all backends)
3  * Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #include "utils/includes.h"
10 #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 #ifdef CONFIG_DPP
24 #include "common/dpp.h"
25 #endif /* CONFIG_DPP */
26 #include "crypto/tls.h"
27 #include "ap/hostapd.h"
28 #include "eap_peer/eap.h"
29 #include "eapol_supp/eapol_supp_sm.h"
30 #include "rsn_supp/wpa.h"
31 #include "rsn_supp/preauth.h"
32 #include "rsn_supp/pmksa_cache.h"
33 #include "l2_packet/l2_packet.h"
34 #include "wps/wps.h"
35 #include "fst/fst.h"
36 #include "fst/fst_ctrl_iface.h"
37 #include "config.h"
38 #include "wpa_supplicant_i.h"
39 #include "driver_i.h"
40 #include "wps_supplicant.h"
41 #include "ibss_rsn.h"
42 #include "ap.h"
43 #include "p2p_supplicant.h"
44 #include "p2p/p2p.h"
45 #include "hs20_supplicant.h"
46 #include "wifi_display.h"
47 #include "notify.h"
48 #include "bss.h"
49 #include "scan.h"
50 #include "ctrl_iface.h"
51 #include "interworking.h"
52 #include "blacklist.h"
53 #include "autoscan.h"
54 #include "wnm_sta.h"
55 #include "offchannel.h"
56 #include "drivers/driver.h"
57 #include "mesh.h"
58 #include "dpp_supplicant.h"
59 #include "sme.h"
60 
61 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
62 					    char *buf, int len);
63 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
64 						  const char *input,
65 						  char *buf, int len);
66 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
67 					char *val);
68 
69 
set_bssid_filter(struct wpa_supplicant * wpa_s,char * val)70 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
71 {
72 	char *pos;
73 	u8 addr[ETH_ALEN], *filter = NULL, *n;
74 	size_t count = 0;
75 
76 	pos = val;
77 	while (pos) {
78 		if (*pos == '\0')
79 			break;
80 		if (hwaddr_aton(pos, addr)) {
81 			os_free(filter);
82 			return -1;
83 		}
84 		n = os_realloc_array(filter, count + 1, ETH_ALEN);
85 		if (n == NULL) {
86 			os_free(filter);
87 			return -1;
88 		}
89 		filter = n;
90 		os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
91 		count++;
92 
93 		pos = os_strchr(pos, ' ');
94 		if (pos)
95 			pos++;
96 	}
97 
98 	wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
99 	os_free(wpa_s->bssid_filter);
100 	wpa_s->bssid_filter = filter;
101 	wpa_s->bssid_filter_count = count;
102 
103 	return 0;
104 }
105 
106 
set_disallow_aps(struct wpa_supplicant * wpa_s,char * val)107 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
108 {
109 	char *pos;
110 	u8 addr[ETH_ALEN], *bssid = NULL, *n;
111 	struct wpa_ssid_value *ssid = NULL, *ns;
112 	size_t count = 0, ssid_count = 0;
113 	struct wpa_ssid *c;
114 
115 	/*
116 	 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
117 	 * SSID_SPEC ::= ssid <SSID_HEX>
118 	 * BSSID_SPEC ::= bssid <BSSID_HEX>
119 	 */
120 
121 	pos = val;
122 	while (pos) {
123 		if (*pos == '\0')
124 			break;
125 		if (os_strncmp(pos, "bssid ", 6) == 0) {
126 			int res;
127 			pos += 6;
128 			res = hwaddr_aton2(pos, addr);
129 			if (res < 0) {
130 				os_free(ssid);
131 				os_free(bssid);
132 				wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
133 					   "BSSID value '%s'", pos);
134 				return -1;
135 			}
136 			pos += res;
137 			n = os_realloc_array(bssid, count + 1, ETH_ALEN);
138 			if (n == NULL) {
139 				os_free(ssid);
140 				os_free(bssid);
141 				return -1;
142 			}
143 			bssid = n;
144 			os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
145 			count++;
146 		} else if (os_strncmp(pos, "ssid ", 5) == 0) {
147 			char *end;
148 			pos += 5;
149 
150 			end = pos;
151 			while (*end) {
152 				if (*end == '\0' || *end == ' ')
153 					break;
154 				end++;
155 			}
156 
157 			ns = os_realloc_array(ssid, ssid_count + 1,
158 					      sizeof(struct wpa_ssid_value));
159 			if (ns == NULL) {
160 				os_free(ssid);
161 				os_free(bssid);
162 				return -1;
163 			}
164 			ssid = ns;
165 
166 			if ((end - pos) & 0x01 ||
167 			    end - pos > 2 * SSID_MAX_LEN ||
168 			    hexstr2bin(pos, ssid[ssid_count].ssid,
169 				       (end - pos) / 2) < 0) {
170 				os_free(ssid);
171 				os_free(bssid);
172 				wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
173 					   "SSID value '%s'", pos);
174 				return -1;
175 			}
176 			ssid[ssid_count].ssid_len = (end - pos) / 2;
177 			wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
178 					  ssid[ssid_count].ssid,
179 					  ssid[ssid_count].ssid_len);
180 			ssid_count++;
181 			pos = end;
182 		} else {
183 			wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
184 				   "'%s'", pos);
185 			os_free(ssid);
186 			os_free(bssid);
187 			return -1;
188 		}
189 
190 		pos = os_strchr(pos, ' ');
191 		if (pos)
192 			pos++;
193 	}
194 
195 	wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
196 	os_free(wpa_s->disallow_aps_bssid);
197 	wpa_s->disallow_aps_bssid = bssid;
198 	wpa_s->disallow_aps_bssid_count = count;
199 
200 	wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
201 	os_free(wpa_s->disallow_aps_ssid);
202 	wpa_s->disallow_aps_ssid = ssid;
203 	wpa_s->disallow_aps_ssid_count = ssid_count;
204 
205 	if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
206 		return 0;
207 
208 	c = wpa_s->current_ssid;
209 	if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
210 		return 0;
211 
212 	if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
213 	    !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
214 		return 0;
215 
216 	wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
217 		   "because current AP was marked disallowed");
218 
219 #ifdef CONFIG_SME
220 	wpa_s->sme.prev_bssid_set = 0;
221 #endif /* CONFIG_SME */
222 	wpa_s->reassociate = 1;
223 	wpa_s->own_disconnect_req = 1;
224 	wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
225 	wpa_supplicant_req_scan(wpa_s, 0, 0);
226 
227 	return 0;
228 }
229 
230 
231 #ifndef CONFIG_NO_CONFIG_BLOBS
wpas_ctrl_set_blob(struct wpa_supplicant * wpa_s,char * pos)232 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
233 {
234 	char *name = pos;
235 	struct wpa_config_blob *blob;
236 	size_t len;
237 
238 	pos = os_strchr(pos, ' ');
239 	if (pos == NULL)
240 		return -1;
241 	*pos++ = '\0';
242 	len = os_strlen(pos);
243 	if (len & 1)
244 		return -1;
245 
246 	wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
247 	blob = os_zalloc(sizeof(*blob));
248 	if (blob == NULL)
249 		return -1;
250 	blob->name = os_strdup(name);
251 	blob->data = os_malloc(len / 2);
252 	if (blob->name == NULL || blob->data == NULL) {
253 		wpa_config_free_blob(blob);
254 		return -1;
255 	}
256 
257 	if (hexstr2bin(pos, blob->data, len / 2) < 0) {
258 		wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
259 		wpa_config_free_blob(blob);
260 		return -1;
261 	}
262 	blob->len = len / 2;
263 
264 	wpa_config_set_blob(wpa_s->conf, blob);
265 
266 	return 0;
267 }
268 #endif /* CONFIG_NO_CONFIG_BLOBS */
269 
270 
wpas_ctrl_pno(struct wpa_supplicant * wpa_s,char * cmd)271 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
272 {
273 	char *params;
274 	char *pos;
275 	int *freqs = NULL;
276 	int ret;
277 
278 	if (atoi(cmd)) {
279 		params = os_strchr(cmd, ' ');
280 		os_free(wpa_s->manual_sched_scan_freqs);
281 		if (params) {
282 			params++;
283 			pos = os_strstr(params, "freq=");
284 			if (pos)
285 				freqs = freq_range_to_channel_list(wpa_s,
286 								   pos + 5);
287 		}
288 		wpa_s->manual_sched_scan_freqs = freqs;
289 		ret = wpas_start_pno(wpa_s);
290 	} else {
291 		ret = wpas_stop_pno(wpa_s);
292 	}
293 	return ret;
294 }
295 
296 
wpas_ctrl_set_band(struct wpa_supplicant * wpa_s,char * band)297 static int wpas_ctrl_set_band(struct wpa_supplicant *wpa_s, char *band)
298 {
299 	union wpa_event_data event;
300 
301 	if (os_strcmp(band, "AUTO") == 0)
302 		wpa_s->setband = WPA_SETBAND_AUTO;
303 	else if (os_strcmp(band, "5G") == 0)
304 		wpa_s->setband = WPA_SETBAND_5G;
305 	else if (os_strcmp(band, "2G") == 0)
306 		wpa_s->setband = WPA_SETBAND_2G;
307 	else
308 		return -1;
309 
310 	if (wpa_drv_setband(wpa_s, wpa_s->setband) == 0) {
311 		os_memset(&event, 0, sizeof(event));
312 		event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
313 		event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
314 		wpa_supplicant_event(wpa_s, EVENT_CHANNEL_LIST_CHANGED, &event);
315 	}
316 
317 	return 0;
318 }
319 
320 
wpas_ctrl_iface_set_lci(struct wpa_supplicant * wpa_s,const char * cmd)321 static int wpas_ctrl_iface_set_lci(struct wpa_supplicant *wpa_s,
322 				   const char *cmd)
323 {
324 	struct wpabuf *lci;
325 
326 	if (*cmd == '\0' || os_strcmp(cmd, "\"\"") == 0) {
327 		wpabuf_free(wpa_s->lci);
328 		wpa_s->lci = NULL;
329 		return 0;
330 	}
331 
332 	lci = wpabuf_parse_bin(cmd);
333 	if (!lci)
334 		return -1;
335 
336 	if (os_get_reltime(&wpa_s->lci_time)) {
337 		wpabuf_free(lci);
338 		return -1;
339 	}
340 
341 	wpabuf_free(wpa_s->lci);
342 	wpa_s->lci = lci;
343 
344 	return 0;
345 }
346 
347 
348 static int
wpas_ctrl_set_relative_rssi(struct wpa_supplicant * wpa_s,const char * cmd)349 wpas_ctrl_set_relative_rssi(struct wpa_supplicant *wpa_s, const char *cmd)
350 {
351 	int relative_rssi;
352 
353 	if (os_strcmp(cmd, "disable") == 0) {
354 		wpa_s->srp.relative_rssi_set = 0;
355 		return 0;
356 	}
357 
358 	relative_rssi = atoi(cmd);
359 	if (relative_rssi < 0 || relative_rssi > 100)
360 		return -1;
361 	wpa_s->srp.relative_rssi = relative_rssi;
362 	wpa_s->srp.relative_rssi_set = 1;
363 	return 0;
364 }
365 
366 
wpas_ctrl_set_relative_band_adjust(struct wpa_supplicant * wpa_s,const char * cmd)367 static int wpas_ctrl_set_relative_band_adjust(struct wpa_supplicant *wpa_s,
368 					      const char *cmd)
369 {
370 	char *pos;
371 	int adjust_rssi;
372 
373 	/* <band>:adjust_value */
374 	pos = os_strchr(cmd, ':');
375 	if (!pos)
376 		return -1;
377 	pos++;
378 	adjust_rssi = atoi(pos);
379 	if (adjust_rssi < -100 || adjust_rssi > 100)
380 		return -1;
381 
382 	if (os_strncmp(cmd, "2G", 2) == 0)
383 		wpa_s->srp.relative_adjust_band = WPA_SETBAND_2G;
384 	else if (os_strncmp(cmd, "5G", 2) == 0)
385 		wpa_s->srp.relative_adjust_band = WPA_SETBAND_5G;
386 	else
387 		return -1;
388 
389 	wpa_s->srp.relative_adjust_rssi = adjust_rssi;
390 
391 	return 0;
392 }
393 
394 
wpas_ctrl_iface_set_ric_ies(struct wpa_supplicant * wpa_s,const char * cmd)395 static int wpas_ctrl_iface_set_ric_ies(struct wpa_supplicant *wpa_s,
396 				   const char *cmd)
397 {
398 	struct wpabuf *ric_ies;
399 
400 	if (*cmd == '\0' || os_strcmp(cmd, "\"\"") == 0) {
401 		wpabuf_free(wpa_s->ric_ies);
402 		wpa_s->ric_ies = NULL;
403 		return 0;
404 	}
405 
406 	ric_ies = wpabuf_parse_bin(cmd);
407 	if (!ric_ies)
408 		return -1;
409 
410 	wpabuf_free(wpa_s->ric_ies);
411 	wpa_s->ric_ies = ric_ies;
412 
413 	return 0;
414 }
415 
416 
wpa_supplicant_ctrl_iface_set(struct wpa_supplicant * wpa_s,char * cmd)417 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
418 					 char *cmd)
419 {
420 	char *value;
421 	int ret = 0;
422 
423 	value = os_strchr(cmd, ' ');
424 	if (value == NULL)
425 		return -1;
426 	*value++ = '\0';
427 
428 	wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
429 	if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
430 		eapol_sm_configure(wpa_s->eapol,
431 				   atoi(value), -1, -1, -1);
432 	} else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
433 		eapol_sm_configure(wpa_s->eapol,
434 				   -1, atoi(value), -1, -1);
435 	} else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
436 		eapol_sm_configure(wpa_s->eapol,
437 				   -1, -1, atoi(value), -1);
438 	} else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
439 		eapol_sm_configure(wpa_s->eapol,
440 				   -1, -1, -1, atoi(value));
441 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
442 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
443 				     atoi(value))) {
444 			ret = -1;
445 		} else {
446 			value[-1] = '=';
447 			wpa_config_process_global(wpa_s->conf, cmd, -1);
448 		}
449 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
450 		   0) {
451 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
452 				     atoi(value))) {
453 			ret = -1;
454 		} else {
455 			value[-1] = '=';
456 			wpa_config_process_global(wpa_s->conf, cmd, -1);
457 		}
458 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
459 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT,
460 				     atoi(value))) {
461 			ret = -1;
462 		} else {
463 			value[-1] = '=';
464 			wpa_config_process_global(wpa_s->conf, cmd, -1);
465 		}
466 	} else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
467 		wpa_s->wps_fragment_size = atoi(value);
468 #ifdef CONFIG_WPS_TESTING
469 	} else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
470 		long int val;
471 		val = strtol(value, NULL, 0);
472 		if (val < 0 || val > 0xff) {
473 			ret = -1;
474 			wpa_printf(MSG_DEBUG, "WPS: Invalid "
475 				   "wps_version_number %ld", val);
476 		} else {
477 			wps_version_number = val;
478 			wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
479 				   "version %u.%u",
480 				   (wps_version_number & 0xf0) >> 4,
481 				   wps_version_number & 0x0f);
482 		}
483 	} else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
484 		wps_testing_dummy_cred = atoi(value);
485 		wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
486 			   wps_testing_dummy_cred);
487 	} else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
488 		wps_corrupt_pkhash = atoi(value);
489 		wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
490 			   wps_corrupt_pkhash);
491 	} else if (os_strcasecmp(cmd, "wps_force_auth_types") == 0) {
492 		if (value[0] == '\0') {
493 			wps_force_auth_types_in_use = 0;
494 		} else {
495 			wps_force_auth_types = strtol(value, NULL, 0);
496 			wps_force_auth_types_in_use = 1;
497 		}
498 	} else if (os_strcasecmp(cmd, "wps_force_encr_types") == 0) {
499 		if (value[0] == '\0') {
500 			wps_force_encr_types_in_use = 0;
501 		} else {
502 			wps_force_encr_types = strtol(value, NULL, 0);
503 			wps_force_encr_types_in_use = 1;
504 		}
505 #endif /* CONFIG_WPS_TESTING */
506 	} else if (os_strcasecmp(cmd, "ampdu") == 0) {
507 		if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
508 			ret = -1;
509 #ifdef CONFIG_TDLS
510 #ifdef CONFIG_TDLS_TESTING
511 	} else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
512 		tdls_testing = strtol(value, NULL, 0);
513 		wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
514 #endif /* CONFIG_TDLS_TESTING */
515 	} else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
516 		int disabled = atoi(value);
517 		wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
518 		if (disabled) {
519 			if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
520 				ret = -1;
521 		} else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
522 			ret = -1;
523 		wpa_tdls_enable(wpa_s->wpa, !disabled);
524 #endif /* CONFIG_TDLS */
525 	} else if (os_strcasecmp(cmd, "pno") == 0) {
526 		ret = wpas_ctrl_pno(wpa_s, value);
527 	} else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
528 		int disabled = atoi(value);
529 		if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
530 			ret = -1;
531 		else if (disabled)
532 			wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
533 	} else if (os_strcasecmp(cmd, "uapsd") == 0) {
534 		if (os_strcmp(value, "disable") == 0)
535 			wpa_s->set_sta_uapsd = 0;
536 		else {
537 			int be, bk, vi, vo;
538 			char *pos;
539 			/* format: BE,BK,VI,VO;max SP Length */
540 			be = atoi(value);
541 			pos = os_strchr(value, ',');
542 			if (pos == NULL)
543 				return -1;
544 			pos++;
545 			bk = atoi(pos);
546 			pos = os_strchr(pos, ',');
547 			if (pos == NULL)
548 				return -1;
549 			pos++;
550 			vi = atoi(pos);
551 			pos = os_strchr(pos, ',');
552 			if (pos == NULL)
553 				return -1;
554 			pos++;
555 			vo = atoi(pos);
556 			/* ignore max SP Length for now */
557 
558 			wpa_s->set_sta_uapsd = 1;
559 			wpa_s->sta_uapsd = 0;
560 			if (be)
561 				wpa_s->sta_uapsd |= BIT(0);
562 			if (bk)
563 				wpa_s->sta_uapsd |= BIT(1);
564 			if (vi)
565 				wpa_s->sta_uapsd |= BIT(2);
566 			if (vo)
567 				wpa_s->sta_uapsd |= BIT(3);
568 		}
569 	} else if (os_strcasecmp(cmd, "ps") == 0) {
570 		ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
571 #ifdef CONFIG_WIFI_DISPLAY
572 	} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
573 		int enabled = !!atoi(value);
574 		if (enabled && !wpa_s->global->p2p)
575 			ret = -1;
576 		else
577 			wifi_display_enable(wpa_s->global, enabled);
578 #endif /* CONFIG_WIFI_DISPLAY */
579 	} else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
580 		ret = set_bssid_filter(wpa_s, value);
581 	} else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
582 		ret = set_disallow_aps(wpa_s, value);
583 	} else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
584 		wpa_s->no_keep_alive = !!atoi(value);
585 #ifdef CONFIG_DPP
586 	} else if (os_strcasecmp(cmd, "dpp_configurator_params") == 0) {
587 		os_free(wpa_s->dpp_configurator_params);
588 		wpa_s->dpp_configurator_params = os_strdup(value);
589 	} else if (os_strcasecmp(cmd, "dpp_init_max_tries") == 0) {
590 		wpa_s->dpp_init_max_tries = atoi(value);
591 	} else if (os_strcasecmp(cmd, "dpp_init_retry_time") == 0) {
592 		wpa_s->dpp_init_retry_time = atoi(value);
593 	} else if (os_strcasecmp(cmd, "dpp_resp_wait_time") == 0) {
594 		wpa_s->dpp_resp_wait_time = atoi(value);
595 	} else if (os_strcasecmp(cmd, "dpp_resp_max_tries") == 0) {
596 		wpa_s->dpp_resp_max_tries = atoi(value);
597 	} else if (os_strcasecmp(cmd, "dpp_resp_retry_time") == 0) {
598 		wpa_s->dpp_resp_retry_time = atoi(value);
599 #ifdef CONFIG_TESTING_OPTIONS
600 	} else if (os_strcasecmp(cmd, "dpp_pkex_own_mac_override") == 0) {
601 		if (hwaddr_aton(value, dpp_pkex_own_mac_override))
602 			ret = -1;
603 	} else if (os_strcasecmp(cmd, "dpp_pkex_peer_mac_override") == 0) {
604 		if (hwaddr_aton(value, dpp_pkex_peer_mac_override))
605 			ret = -1;
606 	} else if (os_strcasecmp(cmd, "dpp_pkex_ephemeral_key_override") == 0) {
607 		size_t hex_len = os_strlen(value);
608 
609 		if (hex_len >
610 		    2 * sizeof(dpp_pkex_ephemeral_key_override))
611 			ret = -1;
612 		else if (hexstr2bin(value, dpp_pkex_ephemeral_key_override,
613 				    hex_len / 2))
614 			ret = -1;
615 		else
616 			dpp_pkex_ephemeral_key_override_len = hex_len / 2;
617 	} else if (os_strcasecmp(cmd, "dpp_protocol_key_override") == 0) {
618 		size_t hex_len = os_strlen(value);
619 
620 		if (hex_len > 2 * sizeof(dpp_protocol_key_override))
621 			ret = -1;
622 		else if (hexstr2bin(value, dpp_protocol_key_override,
623 				    hex_len / 2))
624 			ret = -1;
625 		else
626 			dpp_protocol_key_override_len = hex_len / 2;
627 	} else if (os_strcasecmp(cmd, "dpp_nonce_override") == 0) {
628 		size_t hex_len = os_strlen(value);
629 
630 		if (hex_len > 2 * sizeof(dpp_nonce_override))
631 			ret = -1;
632 		else if (hexstr2bin(value, dpp_nonce_override, hex_len / 2))
633 			ret = -1;
634 		else
635 			dpp_nonce_override_len = hex_len / 2;
636 #endif /* CONFIG_TESTING_OPTIONS */
637 #endif /* CONFIG_DPP */
638 #ifdef CONFIG_TESTING_OPTIONS
639 	} else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
640 		wpa_s->ext_mgmt_frame_handling = !!atoi(value);
641 	} else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
642 		wpa_s->ext_eapol_frame_io = !!atoi(value);
643 #ifdef CONFIG_AP
644 		if (wpa_s->ap_iface) {
645 			wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
646 				wpa_s->ext_eapol_frame_io;
647 		}
648 #endif /* CONFIG_AP */
649 	} else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
650 		wpa_s->extra_roc_dur = atoi(value);
651 	} else if (os_strcasecmp(cmd, "test_failure") == 0) {
652 		wpa_s->test_failure = atoi(value);
653 	} else if (os_strcasecmp(cmd, "p2p_go_csa_on_inv") == 0) {
654 		wpa_s->p2p_go_csa_on_inv = !!atoi(value);
655 	} else if (os_strcasecmp(cmd, "ignore_auth_resp") == 0) {
656 		wpa_s->ignore_auth_resp = !!atoi(value);
657 	} else if (os_strcasecmp(cmd, "ignore_assoc_disallow") == 0) {
658 		wpa_s->ignore_assoc_disallow = !!atoi(value);
659 		wpa_drv_ignore_assoc_disallow(wpa_s,
660 					      wpa_s->ignore_assoc_disallow);
661 	} else if (os_strcasecmp(cmd, "reject_btm_req_reason") == 0) {
662 		wpa_s->reject_btm_req_reason = atoi(value);
663 	} else if (os_strcasecmp(cmd, "get_pref_freq_list_override") == 0) {
664 		os_free(wpa_s->get_pref_freq_list_override);
665 		if (!value[0])
666 			wpa_s->get_pref_freq_list_override = NULL;
667 		else
668 			wpa_s->get_pref_freq_list_override = os_strdup(value);
669 	} else if (os_strcasecmp(cmd, "sae_commit_override") == 0) {
670 		wpabuf_free(wpa_s->sae_commit_override);
671 		if (value[0] == '\0')
672 			wpa_s->sae_commit_override = NULL;
673 		else
674 			wpa_s->sae_commit_override = wpabuf_parse_bin(value);
675 #ifdef CONFIG_DPP
676 	} else if (os_strcasecmp(cmd, "dpp_config_obj_override") == 0) {
677 		os_free(wpa_s->dpp_config_obj_override);
678 		if (value[0] == '\0')
679 			wpa_s->dpp_config_obj_override = NULL;
680 		else
681 			wpa_s->dpp_config_obj_override = os_strdup(value);
682 	} else if (os_strcasecmp(cmd, "dpp_discovery_override") == 0) {
683 		os_free(wpa_s->dpp_discovery_override);
684 		if (value[0] == '\0')
685 			wpa_s->dpp_discovery_override = NULL;
686 		else
687 			wpa_s->dpp_discovery_override = os_strdup(value);
688 	} else if (os_strcasecmp(cmd, "dpp_groups_override") == 0) {
689 		os_free(wpa_s->dpp_groups_override);
690 		if (value[0] == '\0')
691 			wpa_s->dpp_groups_override = NULL;
692 		else
693 			wpa_s->dpp_groups_override = os_strdup(value);
694 	} else if (os_strcasecmp(cmd,
695 				 "dpp_ignore_netaccesskey_mismatch") == 0) {
696 		wpa_s->dpp_ignore_netaccesskey_mismatch = atoi(value);
697 	} else if (os_strcasecmp(cmd, "dpp_test") == 0) {
698 		dpp_test = atoi(value);
699 #endif /* CONFIG_DPP */
700 #endif /* CONFIG_TESTING_OPTIONS */
701 #ifdef CONFIG_FILS
702 	} else if (os_strcasecmp(cmd, "disable_fils") == 0) {
703 		wpa_s->disable_fils = !!atoi(value);
704 		wpa_drv_disable_fils(wpa_s, wpa_s->disable_fils);
705 		wpa_supplicant_set_default_scan_ies(wpa_s);
706 #endif /* CONFIG_FILS */
707 #ifndef CONFIG_NO_CONFIG_BLOBS
708 	} else if (os_strcmp(cmd, "blob") == 0) {
709 		ret = wpas_ctrl_set_blob(wpa_s, value);
710 #endif /* CONFIG_NO_CONFIG_BLOBS */
711 	} else if (os_strcasecmp(cmd, "setband") == 0) {
712 		ret = wpas_ctrl_set_band(wpa_s, value);
713 #ifdef CONFIG_MBO
714 	} else if (os_strcasecmp(cmd, "non_pref_chan") == 0) {
715 		ret = wpas_mbo_update_non_pref_chan(wpa_s, value);
716 		if (ret == 0) {
717 			value[-1] = '=';
718 			wpa_config_process_global(wpa_s->conf, cmd, -1);
719 		}
720 	} else if (os_strcasecmp(cmd, "mbo_cell_capa") == 0) {
721 		wpas_mbo_update_cell_capa(wpa_s, atoi(value));
722 	} else if (os_strcasecmp(cmd, "oce") == 0) {
723 		wpa_s->conf->oce = atoi(value);
724 		if (wpa_s->conf->oce) {
725 			if ((wpa_s->conf->oce & OCE_STA) &&
726 			    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_OCE_STA))
727 				wpa_s->enable_oce = OCE_STA;
728 
729 			if ((wpa_s->conf->oce & OCE_STA_CFON) &&
730 			    (wpa_s->drv_flags &
731 			     WPA_DRIVER_FLAGS_OCE_STA_CFON)) {
732 				/* TODO: Need to add STA-CFON support */
733 				wpa_printf(MSG_ERROR,
734 					   "OCE STA-CFON feature is not yet supported");
735 				return -1;
736 			}
737 		} else {
738 			wpa_s->enable_oce = 0;
739 		}
740 		wpa_supplicant_set_default_scan_ies(wpa_s);
741 #endif /* CONFIG_MBO */
742 	} else if (os_strcasecmp(cmd, "lci") == 0) {
743 		ret = wpas_ctrl_iface_set_lci(wpa_s, value);
744 	} else if (os_strcasecmp(cmd, "tdls_trigger_control") == 0) {
745 		ret = wpa_drv_set_tdls_mode(wpa_s, atoi(value));
746 	} else if (os_strcasecmp(cmd, "relative_rssi") == 0) {
747 		ret = wpas_ctrl_set_relative_rssi(wpa_s, value);
748 	} else if (os_strcasecmp(cmd, "relative_band_adjust") == 0) {
749 		ret = wpas_ctrl_set_relative_band_adjust(wpa_s, value);
750 	} else if (os_strcasecmp(cmd, "ric_ies") == 0) {
751 		ret = wpas_ctrl_iface_set_ric_ies(wpa_s, value);
752 	} else if (os_strcasecmp(cmd, "roaming") == 0) {
753 		ret = wpa_drv_roaming(wpa_s, atoi(value), NULL);
754 #ifdef CONFIG_WNM
755 	} else if (os_strcasecmp(cmd, "coloc_intf_elems") == 0) {
756 		struct wpabuf *elems;
757 
758 		elems = wpabuf_parse_bin(value);
759 		if (!elems)
760 			return -1;
761 		wnm_set_coloc_intf_elems(wpa_s, elems);
762 #endif /* CONFIG_WNM */
763 	} else {
764 		value[-1] = '=';
765 		ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
766 		if (ret == 0)
767 			wpa_supplicant_update_config(wpa_s);
768 	}
769 
770 	return ret;
771 }
772 
773 
wpa_supplicant_ctrl_iface_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)774 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
775 					 char *cmd, char *buf, size_t buflen)
776 {
777 	int res = -1;
778 
779 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
780 
781 	if (os_strcmp(cmd, "version") == 0) {
782 		res = os_snprintf(buf, buflen, "%s", VERSION_STR);
783 	} else if (os_strcasecmp(cmd, "country") == 0) {
784 		if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
785 			res = os_snprintf(buf, buflen, "%c%c",
786 					  wpa_s->conf->country[0],
787 					  wpa_s->conf->country[1]);
788 #ifdef CONFIG_WIFI_DISPLAY
789 	} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
790 		int enabled;
791 		if (wpa_s->global->p2p == NULL ||
792 		    wpa_s->global->p2p_disabled)
793 			enabled = 0;
794 		else
795 			enabled = wpa_s->global->wifi_display;
796 		res = os_snprintf(buf, buflen, "%d", enabled);
797 #endif /* CONFIG_WIFI_DISPLAY */
798 #ifdef CONFIG_TESTING_GET_GTK
799 	} else if (os_strcmp(cmd, "gtk") == 0) {
800 		if (wpa_s->last_gtk_len == 0)
801 			return -1;
802 		res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
803 				       wpa_s->last_gtk_len);
804 		return res;
805 #endif /* CONFIG_TESTING_GET_GTK */
806 	} else if (os_strcmp(cmd, "tls_library") == 0) {
807 		res = tls_get_library_version(buf, buflen);
808 #ifdef CONFIG_TESTING_OPTIONS
809 	} else if (os_strcmp(cmd, "anonce") == 0) {
810 		return wpa_snprintf_hex(buf, buflen,
811 					wpa_sm_get_anonce(wpa_s->wpa),
812 					WPA_NONCE_LEN);
813 #endif /* CONFIG_TESTING_OPTIONS */
814 	} else {
815 		res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
816 	}
817 
818 	if (os_snprintf_error(buflen, res))
819 		return -1;
820 	return res;
821 }
822 
823 
824 #ifdef IEEE8021X_EAPOL
wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant * wpa_s,char * addr)825 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
826 					     char *addr)
827 {
828 	u8 bssid[ETH_ALEN];
829 	struct wpa_ssid *ssid = wpa_s->current_ssid;
830 
831 	if (hwaddr_aton(addr, bssid)) {
832 		wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
833 			   "'%s'", addr);
834 		return -1;
835 	}
836 
837 	wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
838 	rsn_preauth_deinit(wpa_s->wpa);
839 	if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
840 		return -1;
841 
842 	return 0;
843 }
844 #endif /* IEEE8021X_EAPOL */
845 
846 
847 #ifdef CONFIG_TDLS
848 
wpa_supplicant_ctrl_iface_tdls_discover(struct wpa_supplicant * wpa_s,char * addr)849 static int wpa_supplicant_ctrl_iface_tdls_discover(
850 	struct wpa_supplicant *wpa_s, char *addr)
851 {
852 	u8 peer[ETH_ALEN];
853 	int ret;
854 
855 	if (hwaddr_aton(addr, peer)) {
856 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
857 			   "address '%s'", addr);
858 		return -1;
859 	}
860 
861 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
862 		   MAC2STR(peer));
863 
864 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
865 		ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
866 	else
867 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
868 
869 	return ret;
870 }
871 
872 
wpa_supplicant_ctrl_iface_tdls_setup(struct wpa_supplicant * wpa_s,char * addr)873 static int wpa_supplicant_ctrl_iface_tdls_setup(
874 	struct wpa_supplicant *wpa_s, char *addr)
875 {
876 	u8 peer[ETH_ALEN];
877 	int ret;
878 
879 	if (hwaddr_aton(addr, peer)) {
880 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
881 			   "address '%s'", addr);
882 		return -1;
883 	}
884 
885 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
886 		   MAC2STR(peer));
887 
888 	if ((wpa_s->conf->tdls_external_control) &&
889 	    wpa_tdls_is_external_setup(wpa_s->wpa))
890 		return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
891 
892 	wpa_tdls_remove(wpa_s->wpa, peer);
893 
894 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
895 		ret = wpa_tdls_start(wpa_s->wpa, peer);
896 	else
897 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
898 
899 	return ret;
900 }
901 
902 
wpa_supplicant_ctrl_iface_tdls_teardown(struct wpa_supplicant * wpa_s,char * addr)903 static int wpa_supplicant_ctrl_iface_tdls_teardown(
904 	struct wpa_supplicant *wpa_s, char *addr)
905 {
906 	u8 peer[ETH_ALEN];
907 	int ret;
908 
909 	if (os_strcmp(addr, "*") == 0) {
910 		/* remove everyone */
911 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
912 		wpa_tdls_teardown_peers(wpa_s->wpa);
913 		return 0;
914 	}
915 
916 	if (hwaddr_aton(addr, peer)) {
917 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
918 			   "address '%s'", addr);
919 		return -1;
920 	}
921 
922 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
923 		   MAC2STR(peer));
924 
925 	if ((wpa_s->conf->tdls_external_control) &&
926 	    wpa_tdls_is_external_setup(wpa_s->wpa))
927 		return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
928 
929 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
930 		ret = wpa_tdls_teardown_link(
931 			wpa_s->wpa, peer,
932 			WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
933 	else
934 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
935 
936 	return ret;
937 }
938 
939 
ctrl_iface_get_capability_tdls(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)940 static int ctrl_iface_get_capability_tdls(
941 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
942 {
943 	int ret;
944 
945 	ret = os_snprintf(buf, buflen, "%s\n",
946 			  wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
947 			  (wpa_s->drv_flags &
948 			   WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
949 			   "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
950 	if (os_snprintf_error(buflen, ret))
951 		return -1;
952 	return ret;
953 }
954 
955 
wpa_supplicant_ctrl_iface_tdls_chan_switch(struct wpa_supplicant * wpa_s,char * cmd)956 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
957 	struct wpa_supplicant *wpa_s, char *cmd)
958 {
959 	u8 peer[ETH_ALEN];
960 	struct hostapd_freq_params freq_params;
961 	u8 oper_class;
962 	char *pos, *end;
963 
964 	if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
965 		wpa_printf(MSG_INFO,
966 			   "tdls_chanswitch: Only supported with external setup");
967 		return -1;
968 	}
969 
970 	os_memset(&freq_params, 0, sizeof(freq_params));
971 
972 	pos = os_strchr(cmd, ' ');
973 	if (pos == NULL)
974 		return -1;
975 	*pos++ = '\0';
976 
977 	oper_class = strtol(pos, &end, 10);
978 	if (pos == end) {
979 		wpa_printf(MSG_INFO,
980 			   "tdls_chanswitch: Invalid op class provided");
981 		return -1;
982 	}
983 
984 	pos = end;
985 	freq_params.freq = atoi(pos);
986 	if (freq_params.freq == 0) {
987 		wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
988 		return -1;
989 	}
990 
991 #define SET_FREQ_SETTING(str) \
992 	do { \
993 		const char *pos2 = os_strstr(pos, " " #str "="); \
994 		if (pos2) { \
995 			pos2 += sizeof(" " #str "=") - 1; \
996 			freq_params.str = atoi(pos2); \
997 		} \
998 	} while (0)
999 
1000 	SET_FREQ_SETTING(center_freq1);
1001 	SET_FREQ_SETTING(center_freq2);
1002 	SET_FREQ_SETTING(bandwidth);
1003 	SET_FREQ_SETTING(sec_channel_offset);
1004 #undef SET_FREQ_SETTING
1005 
1006 	freq_params.ht_enabled = !!os_strstr(pos, " ht");
1007 	freq_params.vht_enabled = !!os_strstr(pos, " vht");
1008 
1009 	if (hwaddr_aton(cmd, peer)) {
1010 		wpa_printf(MSG_DEBUG,
1011 			   "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
1012 			   cmd);
1013 		return -1;
1014 	}
1015 
1016 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
1017 		   " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
1018 		   MAC2STR(peer), oper_class, freq_params.freq,
1019 		   freq_params.center_freq1, freq_params.center_freq2,
1020 		   freq_params.bandwidth, freq_params.sec_channel_offset,
1021 		   freq_params.ht_enabled ? " HT" : "",
1022 		   freq_params.vht_enabled ? " VHT" : "");
1023 
1024 	return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
1025 					   &freq_params);
1026 }
1027 
1028 
wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(struct wpa_supplicant * wpa_s,char * cmd)1029 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
1030 	struct wpa_supplicant *wpa_s, char *cmd)
1031 {
1032 	u8 peer[ETH_ALEN];
1033 
1034 	if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
1035 		wpa_printf(MSG_INFO,
1036 			   "tdls_chanswitch: Only supported with external setup");
1037 		return -1;
1038 	}
1039 
1040 	if (hwaddr_aton(cmd, peer)) {
1041 		wpa_printf(MSG_DEBUG,
1042 			   "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
1043 			   cmd);
1044 		return -1;
1045 	}
1046 
1047 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
1048 		   MAC2STR(peer));
1049 
1050 	return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
1051 }
1052 
1053 
wpa_supplicant_ctrl_iface_tdls_link_status(struct wpa_supplicant * wpa_s,const char * addr,char * buf,size_t buflen)1054 static int wpa_supplicant_ctrl_iface_tdls_link_status(
1055 	struct wpa_supplicant *wpa_s, const char *addr,
1056 	char *buf, size_t buflen)
1057 {
1058 	u8 peer[ETH_ALEN];
1059 	const char *tdls_status;
1060 	int ret;
1061 
1062 	if (hwaddr_aton(addr, peer)) {
1063 		wpa_printf(MSG_DEBUG,
1064 			   "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
1065 			   addr);
1066 		return -1;
1067 	}
1068 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
1069 		   MAC2STR(peer));
1070 
1071 	tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
1072 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
1073 	ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
1074 	if (os_snprintf_error(buflen, ret))
1075 		return -1;
1076 
1077 	return ret;
1078 }
1079 
1080 #endif /* CONFIG_TDLS */
1081 
1082 
wmm_ac_ctrl_addts(struct wpa_supplicant * wpa_s,char * cmd)1083 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
1084 {
1085 	char *token, *context = NULL;
1086 	struct wmm_ac_ts_setup_params params = {
1087 		.tsid = 0xff,
1088 		.direction = 0xff,
1089 	};
1090 
1091 	while ((token = str_token(cmd, " ", &context))) {
1092 		if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
1093 		    sscanf(token, "up=%i", &params.user_priority) == 1 ||
1094 		    sscanf(token, "nominal_msdu_size=%i",
1095 			   &params.nominal_msdu_size) == 1 ||
1096 		    sscanf(token, "mean_data_rate=%i",
1097 			   &params.mean_data_rate) == 1 ||
1098 		    sscanf(token, "min_phy_rate=%i",
1099 			   &params.minimum_phy_rate) == 1 ||
1100 		    sscanf(token, "sba=%i",
1101 			   &params.surplus_bandwidth_allowance) == 1)
1102 			continue;
1103 
1104 		if (os_strcasecmp(token, "downlink") == 0) {
1105 			params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
1106 		} else if (os_strcasecmp(token, "uplink") == 0) {
1107 			params.direction = WMM_TSPEC_DIRECTION_UPLINK;
1108 		} else if (os_strcasecmp(token, "bidi") == 0) {
1109 			params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
1110 		} else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
1111 			params.fixed_nominal_msdu = 1;
1112 		} else {
1113 			wpa_printf(MSG_DEBUG,
1114 				   "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
1115 				   token);
1116 			return -1;
1117 		}
1118 
1119 	}
1120 
1121 	return wpas_wmm_ac_addts(wpa_s, &params);
1122 }
1123 
1124 
wmm_ac_ctrl_delts(struct wpa_supplicant * wpa_s,char * cmd)1125 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
1126 {
1127 	u8 tsid = atoi(cmd);
1128 
1129 	return wpas_wmm_ac_delts(wpa_s, tsid);
1130 }
1131 
1132 
1133 #ifdef CONFIG_IEEE80211R
wpa_supplicant_ctrl_iface_ft_ds(struct wpa_supplicant * wpa_s,char * addr)1134 static int wpa_supplicant_ctrl_iface_ft_ds(
1135 	struct wpa_supplicant *wpa_s, char *addr)
1136 {
1137 	u8 target_ap[ETH_ALEN];
1138 	struct wpa_bss *bss;
1139 	const u8 *mdie;
1140 
1141 	if (hwaddr_aton(addr, target_ap)) {
1142 		wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
1143 			   "address '%s'", addr);
1144 		return -1;
1145 	}
1146 
1147 	wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
1148 
1149 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
1150 	if (bss)
1151 		mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
1152 	else
1153 		mdie = NULL;
1154 
1155 	return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
1156 }
1157 #endif /* CONFIG_IEEE80211R */
1158 
1159 
1160 #ifdef CONFIG_WPS
wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant * wpa_s,char * cmd)1161 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
1162 					     char *cmd)
1163 {
1164 	u8 bssid[ETH_ALEN], *_bssid = bssid;
1165 #ifdef CONFIG_P2P
1166 	u8 p2p_dev_addr[ETH_ALEN];
1167 #endif /* CONFIG_P2P */
1168 #ifdef CONFIG_AP
1169 	u8 *_p2p_dev_addr = NULL;
1170 #endif /* CONFIG_AP */
1171 	char *pos;
1172 	int multi_ap = 0;
1173 
1174 	if (!cmd || os_strcmp(cmd, "any") == 0 ||
1175 	    os_strncmp(cmd, "any ", 4) == 0) {
1176 		_bssid = NULL;
1177 #ifdef CONFIG_P2P
1178 	} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
1179 		if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
1180 			wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
1181 				   "P2P Device Address '%s'",
1182 				   cmd + 13);
1183 			return -1;
1184 		}
1185 		_p2p_dev_addr = p2p_dev_addr;
1186 #endif /* CONFIG_P2P */
1187 	} else if (os_strncmp(cmd, "multi_ap=", 9) == 0) {
1188 		_bssid = NULL;
1189 		multi_ap = atoi(cmd + 9);
1190 	} else if (hwaddr_aton(cmd, bssid)) {
1191 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
1192 			   cmd);
1193 		return -1;
1194 	}
1195 
1196 	if (cmd) {
1197 		pos = os_strstr(cmd, " multi_ap=");
1198 		if (pos) {
1199 			pos += 10;
1200 			multi_ap = atoi(pos);
1201 		}
1202 	}
1203 
1204 #ifdef CONFIG_AP
1205 	if (wpa_s->ap_iface)
1206 		return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
1207 #endif /* CONFIG_AP */
1208 
1209 	return wpas_wps_start_pbc(wpa_s, _bssid, 0, multi_ap);
1210 }
1211 
1212 
wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1213 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
1214 					     char *cmd, char *buf,
1215 					     size_t buflen)
1216 {
1217 	u8 bssid[ETH_ALEN], *_bssid = bssid;
1218 	char *pin;
1219 	int ret;
1220 
1221 	pin = os_strchr(cmd, ' ');
1222 	if (pin)
1223 		*pin++ = '\0';
1224 
1225 	if (os_strcmp(cmd, "any") == 0)
1226 		_bssid = NULL;
1227 	else if (os_strcmp(cmd, "get") == 0) {
1228 		if (wps_generate_pin((unsigned int *) &ret) < 0)
1229 			return -1;
1230 		goto done;
1231 	} else if (hwaddr_aton(cmd, bssid)) {
1232 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
1233 			   cmd);
1234 		return -1;
1235 	}
1236 
1237 #ifdef CONFIG_AP
1238 	if (wpa_s->ap_iface) {
1239 		int timeout = 0;
1240 		char *pos;
1241 
1242 		if (pin) {
1243 			pos = os_strchr(pin, ' ');
1244 			if (pos) {
1245 				*pos++ = '\0';
1246 				timeout = atoi(pos);
1247 			}
1248 		}
1249 
1250 		return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
1251 						 buf, buflen, timeout);
1252 	}
1253 #endif /* CONFIG_AP */
1254 
1255 	if (pin) {
1256 		ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
1257 					 DEV_PW_DEFAULT);
1258 		if (ret < 0)
1259 			return -1;
1260 		ret = os_snprintf(buf, buflen, "%s", pin);
1261 		if (os_snprintf_error(buflen, ret))
1262 			return -1;
1263 		return ret;
1264 	}
1265 
1266 	ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
1267 	if (ret < 0)
1268 		return -1;
1269 
1270 done:
1271 	/* Return the generated PIN */
1272 	ret = os_snprintf(buf, buflen, "%08d", ret);
1273 	if (os_snprintf_error(buflen, ret))
1274 		return -1;
1275 	return ret;
1276 }
1277 
1278 
wpa_supplicant_ctrl_iface_wps_check_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1279 static int wpa_supplicant_ctrl_iface_wps_check_pin(
1280 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
1281 {
1282 	char pin[9];
1283 	size_t len;
1284 	char *pos;
1285 	int ret;
1286 
1287 	wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
1288 			      (u8 *) cmd, os_strlen(cmd));
1289 	for (pos = cmd, len = 0; *pos != '\0'; pos++) {
1290 		if (*pos < '0' || *pos > '9')
1291 			continue;
1292 		pin[len++] = *pos;
1293 		if (len == 9) {
1294 			wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
1295 			return -1;
1296 		}
1297 	}
1298 	if (len != 4 && len != 8) {
1299 		wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
1300 		return -1;
1301 	}
1302 	pin[len] = '\0';
1303 
1304 	if (len == 8) {
1305 		unsigned int pin_val;
1306 		pin_val = atoi(pin);
1307 		if (!wps_pin_valid(pin_val)) {
1308 			wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
1309 			ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
1310 			if (os_snprintf_error(buflen, ret))
1311 				return -1;
1312 			return ret;
1313 		}
1314 	}
1315 
1316 	ret = os_snprintf(buf, buflen, "%s", pin);
1317 	if (os_snprintf_error(buflen, ret))
1318 		return -1;
1319 
1320 	return ret;
1321 }
1322 
1323 
1324 #ifdef CONFIG_WPS_NFC
1325 
wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant * wpa_s,char * cmd)1326 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
1327 					     char *cmd)
1328 {
1329 	u8 bssid[ETH_ALEN], *_bssid = bssid;
1330 
1331 	if (cmd == NULL || cmd[0] == '\0')
1332 		_bssid = NULL;
1333 	else if (hwaddr_aton(cmd, bssid))
1334 		return -1;
1335 
1336 	return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
1337 				  0, 0);
1338 }
1339 
1340 
wpa_supplicant_ctrl_iface_wps_nfc_config_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1341 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
1342 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1343 {
1344 	int ndef;
1345 	struct wpabuf *buf;
1346 	int res;
1347 	char *pos;
1348 
1349 	pos = os_strchr(cmd, ' ');
1350 	if (pos)
1351 		*pos++ = '\0';
1352 	if (os_strcmp(cmd, "WPS") == 0)
1353 		ndef = 0;
1354 	else if (os_strcmp(cmd, "NDEF") == 0)
1355 		ndef = 1;
1356 	else
1357 		return -1;
1358 
1359 	buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
1360 	if (buf == NULL)
1361 		return -1;
1362 
1363 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1364 					 wpabuf_len(buf));
1365 	reply[res++] = '\n';
1366 	reply[res] = '\0';
1367 
1368 	wpabuf_free(buf);
1369 
1370 	return res;
1371 }
1372 
1373 
wpa_supplicant_ctrl_iface_wps_nfc_token(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1374 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
1375 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1376 {
1377 	int ndef;
1378 	struct wpabuf *buf;
1379 	int res;
1380 
1381 	if (os_strcmp(cmd, "WPS") == 0)
1382 		ndef = 0;
1383 	else if (os_strcmp(cmd, "NDEF") == 0)
1384 		ndef = 1;
1385 	else
1386 		return -1;
1387 
1388 	buf = wpas_wps_nfc_token(wpa_s, ndef);
1389 	if (buf == NULL)
1390 		return -1;
1391 
1392 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1393 					 wpabuf_len(buf));
1394 	reply[res++] = '\n';
1395 	reply[res] = '\0';
1396 
1397 	wpabuf_free(buf);
1398 
1399 	return res;
1400 }
1401 
1402 
wpa_supplicant_ctrl_iface_wps_nfc_tag_read(struct wpa_supplicant * wpa_s,char * pos)1403 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
1404 	struct wpa_supplicant *wpa_s, char *pos)
1405 {
1406 	size_t len;
1407 	struct wpabuf *buf;
1408 	int ret;
1409 	char *freq;
1410 	int forced_freq = 0;
1411 
1412 	freq = strstr(pos, " freq=");
1413 	if (freq) {
1414 		*freq = '\0';
1415 		freq += 6;
1416 		forced_freq = atoi(freq);
1417 	}
1418 
1419 	len = os_strlen(pos);
1420 	if (len & 0x01)
1421 		return -1;
1422 	len /= 2;
1423 
1424 	buf = wpabuf_alloc(len);
1425 	if (buf == NULL)
1426 		return -1;
1427 	if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
1428 		wpabuf_free(buf);
1429 		return -1;
1430 	}
1431 
1432 	ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
1433 	wpabuf_free(buf);
1434 
1435 	return ret;
1436 }
1437 
1438 
wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef)1439 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
1440 					      char *reply, size_t max_len,
1441 					      int ndef)
1442 {
1443 	struct wpabuf *buf;
1444 	int res;
1445 
1446 	buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
1447 	if (buf == NULL)
1448 		return -1;
1449 
1450 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1451 					 wpabuf_len(buf));
1452 	reply[res++] = '\n';
1453 	reply[res] = '\0';
1454 
1455 	wpabuf_free(buf);
1456 
1457 	return res;
1458 }
1459 
1460 
1461 #ifdef CONFIG_P2P
wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef)1462 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
1463 					      char *reply, size_t max_len,
1464 					      int ndef)
1465 {
1466 	struct wpabuf *buf;
1467 	int res;
1468 
1469 	buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
1470 	if (buf == NULL) {
1471 		wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
1472 		return -1;
1473 	}
1474 
1475 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1476 					 wpabuf_len(buf));
1477 	reply[res++] = '\n';
1478 	reply[res] = '\0';
1479 
1480 	wpabuf_free(buf);
1481 
1482 	return res;
1483 }
1484 #endif /* CONFIG_P2P */
1485 
1486 
wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1487 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
1488 					  char *cmd, char *reply,
1489 					  size_t max_len)
1490 {
1491 	char *pos;
1492 	int ndef;
1493 
1494 	pos = os_strchr(cmd, ' ');
1495 	if (pos == NULL)
1496 		return -1;
1497 	*pos++ = '\0';
1498 
1499 	if (os_strcmp(cmd, "WPS") == 0)
1500 		ndef = 0;
1501 	else if (os_strcmp(cmd, "NDEF") == 0)
1502 		ndef = 1;
1503 	else
1504 		return -1;
1505 
1506 	if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1507 		if (!ndef)
1508 			return -1;
1509 		return wpas_ctrl_nfc_get_handover_req_wps(
1510 			wpa_s, reply, max_len, ndef);
1511 	}
1512 
1513 #ifdef CONFIG_P2P
1514 	if (os_strcmp(pos, "P2P-CR") == 0) {
1515 		return wpas_ctrl_nfc_get_handover_req_p2p(
1516 			wpa_s, reply, max_len, ndef);
1517 	}
1518 #endif /* CONFIG_P2P */
1519 
1520 	return -1;
1521 }
1522 
1523 
wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant * wpa_s,char * reply,size_t max_len,int ndef,int cr,char * uuid)1524 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
1525 					      char *reply, size_t max_len,
1526 					      int ndef, int cr, char *uuid)
1527 {
1528 	struct wpabuf *buf;
1529 	int res;
1530 
1531 	buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
1532 	if (buf == NULL)
1533 		return -1;
1534 
1535 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1536 					 wpabuf_len(buf));
1537 	reply[res++] = '\n';
1538 	reply[res] = '\0';
1539 
1540 	wpabuf_free(buf);
1541 
1542 	return res;
1543 }
1544 
1545 
1546 #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)1547 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
1548 					      char *reply, size_t max_len,
1549 					      int ndef, int tag)
1550 {
1551 	struct wpabuf *buf;
1552 	int res;
1553 
1554 	buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
1555 	if (buf == NULL)
1556 		return -1;
1557 
1558 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1559 					 wpabuf_len(buf));
1560 	reply[res++] = '\n';
1561 	reply[res] = '\0';
1562 
1563 	wpabuf_free(buf);
1564 
1565 	return res;
1566 }
1567 #endif /* CONFIG_P2P */
1568 
1569 
wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)1570 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
1571 					  char *cmd, char *reply,
1572 					  size_t max_len)
1573 {
1574 	char *pos, *pos2;
1575 	int ndef;
1576 
1577 	pos = os_strchr(cmd, ' ');
1578 	if (pos == NULL)
1579 		return -1;
1580 	*pos++ = '\0';
1581 
1582 	if (os_strcmp(cmd, "WPS") == 0)
1583 		ndef = 0;
1584 	else if (os_strcmp(cmd, "NDEF") == 0)
1585 		ndef = 1;
1586 	else
1587 		return -1;
1588 
1589 	pos2 = os_strchr(pos, ' ');
1590 	if (pos2)
1591 		*pos2++ = '\0';
1592 	if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
1593 		if (!ndef)
1594 			return -1;
1595 		return wpas_ctrl_nfc_get_handover_sel_wps(
1596 			wpa_s, reply, max_len, ndef,
1597 			os_strcmp(pos, "WPS-CR") == 0, pos2);
1598 	}
1599 
1600 #ifdef CONFIG_P2P
1601 	if (os_strcmp(pos, "P2P-CR") == 0) {
1602 		return wpas_ctrl_nfc_get_handover_sel_p2p(
1603 			wpa_s, reply, max_len, ndef, 0);
1604 	}
1605 
1606 	if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
1607 		return wpas_ctrl_nfc_get_handover_sel_p2p(
1608 			wpa_s, reply, max_len, ndef, 1);
1609 	}
1610 #endif /* CONFIG_P2P */
1611 
1612 	return -1;
1613 }
1614 
1615 
wpas_ctrl_nfc_report_handover(struct wpa_supplicant * wpa_s,char * cmd)1616 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1617 					 char *cmd)
1618 {
1619 	size_t len;
1620 	struct wpabuf *req, *sel;
1621 	int ret;
1622 	char *pos, *role, *type, *pos2;
1623 #ifdef CONFIG_P2P
1624 	char *freq;
1625 	int forced_freq = 0;
1626 
1627 	freq = strstr(cmd, " freq=");
1628 	if (freq) {
1629 		*freq = '\0';
1630 		freq += 6;
1631 		forced_freq = atoi(freq);
1632 	}
1633 #endif /* CONFIG_P2P */
1634 
1635 	role = cmd;
1636 	pos = os_strchr(role, ' ');
1637 	if (pos == NULL) {
1638 		wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
1639 		return -1;
1640 	}
1641 	*pos++ = '\0';
1642 
1643 	type = pos;
1644 	pos = os_strchr(type, ' ');
1645 	if (pos == NULL) {
1646 		wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
1647 		return -1;
1648 	}
1649 	*pos++ = '\0';
1650 
1651 	pos2 = os_strchr(pos, ' ');
1652 	if (pos2 == NULL) {
1653 		wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
1654 		return -1;
1655 	}
1656 	*pos2++ = '\0';
1657 
1658 	len = os_strlen(pos);
1659 	if (len & 0x01) {
1660 		wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
1661 		return -1;
1662 	}
1663 	len /= 2;
1664 
1665 	req = wpabuf_alloc(len);
1666 	if (req == NULL) {
1667 		wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
1668 		return -1;
1669 	}
1670 	if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1671 		wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
1672 		wpabuf_free(req);
1673 		return -1;
1674 	}
1675 
1676 	len = os_strlen(pos2);
1677 	if (len & 0x01) {
1678 		wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
1679 		wpabuf_free(req);
1680 		return -1;
1681 	}
1682 	len /= 2;
1683 
1684 	sel = wpabuf_alloc(len);
1685 	if (sel == NULL) {
1686 		wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
1687 		wpabuf_free(req);
1688 		return -1;
1689 	}
1690 	if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1691 		wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
1692 		wpabuf_free(req);
1693 		wpabuf_free(sel);
1694 		return -1;
1695 	}
1696 
1697 	wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
1698 		   role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
1699 
1700 	if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1701 		ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1702 #ifdef CONFIG_AP
1703 	} else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
1704 	{
1705 		ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
1706 		if (ret < 0)
1707 			ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
1708 #endif /* CONFIG_AP */
1709 #ifdef CONFIG_P2P
1710 	} else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
1711 	{
1712 		ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
1713 	} else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
1714 	{
1715 		ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
1716 						   forced_freq);
1717 #endif /* CONFIG_P2P */
1718 	} else {
1719 		wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1720 			   "reported: role=%s type=%s", role, type);
1721 		ret = -1;
1722 	}
1723 	wpabuf_free(req);
1724 	wpabuf_free(sel);
1725 
1726 	if (ret)
1727 		wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
1728 
1729 	return ret;
1730 }
1731 
1732 #endif /* CONFIG_WPS_NFC */
1733 
1734 
wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant * wpa_s,char * cmd)1735 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1736 					     char *cmd)
1737 {
1738 	u8 bssid[ETH_ALEN];
1739 	char *pin;
1740 	char *new_ssid;
1741 	char *new_auth;
1742 	char *new_encr;
1743 	char *new_key;
1744 	struct wps_new_ap_settings ap;
1745 
1746 	pin = os_strchr(cmd, ' ');
1747 	if (pin == NULL)
1748 		return -1;
1749 	*pin++ = '\0';
1750 
1751 	if (hwaddr_aton(cmd, bssid)) {
1752 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1753 			   cmd);
1754 		return -1;
1755 	}
1756 
1757 	new_ssid = os_strchr(pin, ' ');
1758 	if (new_ssid == NULL)
1759 		return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1760 	*new_ssid++ = '\0';
1761 
1762 	new_auth = os_strchr(new_ssid, ' ');
1763 	if (new_auth == NULL)
1764 		return -1;
1765 	*new_auth++ = '\0';
1766 
1767 	new_encr = os_strchr(new_auth, ' ');
1768 	if (new_encr == NULL)
1769 		return -1;
1770 	*new_encr++ = '\0';
1771 
1772 	new_key = os_strchr(new_encr, ' ');
1773 	if (new_key == NULL)
1774 		return -1;
1775 	*new_key++ = '\0';
1776 
1777 	os_memset(&ap, 0, sizeof(ap));
1778 	ap.ssid_hex = new_ssid;
1779 	ap.auth = new_auth;
1780 	ap.encr = new_encr;
1781 	ap.key_hex = new_key;
1782 	return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1783 }
1784 
1785 
1786 #ifdef CONFIG_AP
wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)1787 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1788 						char *cmd, char *buf,
1789 						size_t buflen)
1790 {
1791 	int timeout = 300;
1792 	char *pos;
1793 	const char *pin_txt;
1794 
1795 	if (!wpa_s->ap_iface)
1796 		return -1;
1797 
1798 	pos = os_strchr(cmd, ' ');
1799 	if (pos)
1800 		*pos++ = '\0';
1801 
1802 	if (os_strcmp(cmd, "disable") == 0) {
1803 		wpas_wps_ap_pin_disable(wpa_s);
1804 		return os_snprintf(buf, buflen, "OK\n");
1805 	}
1806 
1807 	if (os_strcmp(cmd, "random") == 0) {
1808 		if (pos)
1809 			timeout = atoi(pos);
1810 		pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1811 		if (pin_txt == NULL)
1812 			return -1;
1813 		return os_snprintf(buf, buflen, "%s", pin_txt);
1814 	}
1815 
1816 	if (os_strcmp(cmd, "get") == 0) {
1817 		pin_txt = wpas_wps_ap_pin_get(wpa_s);
1818 		if (pin_txt == NULL)
1819 			return -1;
1820 		return os_snprintf(buf, buflen, "%s", pin_txt);
1821 	}
1822 
1823 	if (os_strcmp(cmd, "set") == 0) {
1824 		char *pin;
1825 		if (pos == NULL)
1826 			return -1;
1827 		pin = pos;
1828 		pos = os_strchr(pos, ' ');
1829 		if (pos) {
1830 			*pos++ = '\0';
1831 			timeout = atoi(pos);
1832 		}
1833 		if (os_strlen(pin) > buflen)
1834 			return -1;
1835 		if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1836 			return -1;
1837 		return os_snprintf(buf, buflen, "%s", pin);
1838 	}
1839 
1840 	return -1;
1841 }
1842 #endif /* CONFIG_AP */
1843 
1844 
1845 #ifdef CONFIG_WPS_ER
wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant * wpa_s,char * cmd)1846 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1847 						char *cmd)
1848 {
1849 	char *uuid = cmd, *pin, *pos;
1850 	u8 addr_buf[ETH_ALEN], *addr = NULL;
1851 	pin = os_strchr(uuid, ' ');
1852 	if (pin == NULL)
1853 		return -1;
1854 	*pin++ = '\0';
1855 	pos = os_strchr(pin, ' ');
1856 	if (pos) {
1857 		*pos++ = '\0';
1858 		if (hwaddr_aton(pos, addr_buf) == 0)
1859 			addr = addr_buf;
1860 	}
1861 	return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1862 }
1863 
1864 
wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant * wpa_s,char * cmd)1865 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1866 						  char *cmd)
1867 {
1868 	char *uuid = cmd, *pin;
1869 	pin = os_strchr(uuid, ' ');
1870 	if (pin == NULL)
1871 		return -1;
1872 	*pin++ = '\0';
1873 	return wpas_wps_er_learn(wpa_s, uuid, pin);
1874 }
1875 
1876 
wpa_supplicant_ctrl_iface_wps_er_set_config(struct wpa_supplicant * wpa_s,char * cmd)1877 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1878 	struct wpa_supplicant *wpa_s, char *cmd)
1879 {
1880 	char *uuid = cmd, *id;
1881 	id = os_strchr(uuid, ' ');
1882 	if (id == NULL)
1883 		return -1;
1884 	*id++ = '\0';
1885 	return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1886 }
1887 
1888 
wpa_supplicant_ctrl_iface_wps_er_config(struct wpa_supplicant * wpa_s,char * cmd)1889 static int wpa_supplicant_ctrl_iface_wps_er_config(
1890 	struct wpa_supplicant *wpa_s, char *cmd)
1891 {
1892 	char *pin;
1893 	char *new_ssid;
1894 	char *new_auth;
1895 	char *new_encr;
1896 	char *new_key;
1897 	struct wps_new_ap_settings ap;
1898 
1899 	pin = os_strchr(cmd, ' ');
1900 	if (pin == NULL)
1901 		return -1;
1902 	*pin++ = '\0';
1903 
1904 	new_ssid = os_strchr(pin, ' ');
1905 	if (new_ssid == NULL)
1906 		return -1;
1907 	*new_ssid++ = '\0';
1908 
1909 	new_auth = os_strchr(new_ssid, ' ');
1910 	if (new_auth == NULL)
1911 		return -1;
1912 	*new_auth++ = '\0';
1913 
1914 	new_encr = os_strchr(new_auth, ' ');
1915 	if (new_encr == NULL)
1916 		return -1;
1917 	*new_encr++ = '\0';
1918 
1919 	new_key = os_strchr(new_encr, ' ');
1920 	if (new_key == NULL)
1921 		return -1;
1922 	*new_key++ = '\0';
1923 
1924 	os_memset(&ap, 0, sizeof(ap));
1925 	ap.ssid_hex = new_ssid;
1926 	ap.auth = new_auth;
1927 	ap.encr = new_encr;
1928 	ap.key_hex = new_key;
1929 	return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1930 }
1931 
1932 
1933 #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)1934 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1935 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1936 {
1937 	int ndef;
1938 	struct wpabuf *buf;
1939 	int res;
1940 	char *uuid;
1941 
1942 	uuid = os_strchr(cmd, ' ');
1943 	if (uuid == NULL)
1944 		return -1;
1945 	*uuid++ = '\0';
1946 
1947 	if (os_strcmp(cmd, "WPS") == 0)
1948 		ndef = 0;
1949 	else if (os_strcmp(cmd, "NDEF") == 0)
1950 		ndef = 1;
1951 	else
1952 		return -1;
1953 
1954 	buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1955 	if (buf == NULL)
1956 		return -1;
1957 
1958 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1959 					 wpabuf_len(buf));
1960 	reply[res++] = '\n';
1961 	reply[res] = '\0';
1962 
1963 	wpabuf_free(buf);
1964 
1965 	return res;
1966 }
1967 #endif /* CONFIG_WPS_NFC */
1968 #endif /* CONFIG_WPS_ER */
1969 
1970 #endif /* CONFIG_WPS */
1971 
1972 
1973 #ifdef CONFIG_IBSS_RSN
wpa_supplicant_ctrl_iface_ibss_rsn(struct wpa_supplicant * wpa_s,char * addr)1974 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1975 	struct wpa_supplicant *wpa_s, char *addr)
1976 {
1977 	u8 peer[ETH_ALEN];
1978 
1979 	if (hwaddr_aton(addr, peer)) {
1980 		wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1981 			   "address '%s'", addr);
1982 		return -1;
1983 	}
1984 
1985 	wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1986 		   MAC2STR(peer));
1987 
1988 	return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1989 }
1990 #endif /* CONFIG_IBSS_RSN */
1991 
1992 
wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant * wpa_s,char * rsp)1993 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1994 					      char *rsp)
1995 {
1996 #ifdef IEEE8021X_EAPOL
1997 	char *pos, *id_pos;
1998 	int id;
1999 	struct wpa_ssid *ssid;
2000 
2001 	pos = os_strchr(rsp, '-');
2002 	if (pos == NULL)
2003 		return -1;
2004 	*pos++ = '\0';
2005 	id_pos = pos;
2006 	pos = os_strchr(pos, ':');
2007 	if (pos == NULL)
2008 		return -1;
2009 	*pos++ = '\0';
2010 	id = atoi(id_pos);
2011 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
2012 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2013 			      (u8 *) pos, os_strlen(pos));
2014 
2015 	ssid = wpa_config_get_network(wpa_s->conf, id);
2016 	if (ssid == NULL) {
2017 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2018 			   "to update", id);
2019 		return -1;
2020 	}
2021 
2022 	return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
2023 							 pos);
2024 #else /* IEEE8021X_EAPOL */
2025 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
2026 	return -1;
2027 #endif /* IEEE8021X_EAPOL */
2028 }
2029 
2030 
wpa_supplicant_ctrl_iface_status(struct wpa_supplicant * wpa_s,const char * params,char * buf,size_t buflen)2031 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
2032 					    const char *params,
2033 					    char *buf, size_t buflen)
2034 {
2035 	char *pos, *end, tmp[30];
2036 	int res, verbose, wps, ret;
2037 #ifdef CONFIG_HS20
2038 	const u8 *hs20;
2039 #endif /* CONFIG_HS20 */
2040 	const u8 *sess_id;
2041 	size_t sess_id_len;
2042 
2043 	if (os_strcmp(params, "-DRIVER") == 0)
2044 		return wpa_drv_status(wpa_s, buf, buflen);
2045 	verbose = os_strcmp(params, "-VERBOSE") == 0;
2046 	wps = os_strcmp(params, "-WPS") == 0;
2047 	pos = buf;
2048 	end = buf + buflen;
2049 	if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
2050 		struct wpa_ssid *ssid = wpa_s->current_ssid;
2051 		ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2052 				  MAC2STR(wpa_s->bssid));
2053 		if (os_snprintf_error(end - pos, ret))
2054 			return pos - buf;
2055 		pos += ret;
2056 		ret = os_snprintf(pos, end - pos, "freq=%u\n",
2057 				  wpa_s->assoc_freq);
2058 		if (os_snprintf_error(end - pos, ret))
2059 			return pos - buf;
2060 		pos += ret;
2061 		if (ssid) {
2062 			u8 *_ssid = ssid->ssid;
2063 			size_t ssid_len = ssid->ssid_len;
2064 			u8 ssid_buf[SSID_MAX_LEN];
2065 			if (ssid_len == 0) {
2066 				int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
2067 				if (_res < 0)
2068 					ssid_len = 0;
2069 				else
2070 					ssid_len = _res;
2071 				_ssid = ssid_buf;
2072 			}
2073 			ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
2074 					  wpa_ssid_txt(_ssid, ssid_len),
2075 					  ssid->id);
2076 			if (os_snprintf_error(end - pos, ret))
2077 				return pos - buf;
2078 			pos += ret;
2079 
2080 			if (wps && ssid->passphrase &&
2081 			    wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
2082 			    (ssid->mode == WPAS_MODE_AP ||
2083 			     ssid->mode == WPAS_MODE_P2P_GO)) {
2084 				ret = os_snprintf(pos, end - pos,
2085 						  "passphrase=%s\n",
2086 						  ssid->passphrase);
2087 				if (os_snprintf_error(end - pos, ret))
2088 					return pos - buf;
2089 				pos += ret;
2090 			}
2091 			if (ssid->id_str) {
2092 				ret = os_snprintf(pos, end - pos,
2093 						  "id_str=%s\n",
2094 						  ssid->id_str);
2095 				if (os_snprintf_error(end - pos, ret))
2096 					return pos - buf;
2097 				pos += ret;
2098 			}
2099 
2100 			switch (ssid->mode) {
2101 			case WPAS_MODE_INFRA:
2102 				ret = os_snprintf(pos, end - pos,
2103 						  "mode=station\n");
2104 				break;
2105 			case WPAS_MODE_IBSS:
2106 				ret = os_snprintf(pos, end - pos,
2107 						  "mode=IBSS\n");
2108 				break;
2109 			case WPAS_MODE_AP:
2110 				ret = os_snprintf(pos, end - pos,
2111 						  "mode=AP\n");
2112 				break;
2113 			case WPAS_MODE_P2P_GO:
2114 				ret = os_snprintf(pos, end - pos,
2115 						  "mode=P2P GO\n");
2116 				break;
2117 			case WPAS_MODE_P2P_GROUP_FORMATION:
2118 				ret = os_snprintf(pos, end - pos,
2119 						  "mode=P2P GO - group "
2120 						  "formation\n");
2121 				break;
2122 			case WPAS_MODE_MESH:
2123 				ret = os_snprintf(pos, end - pos,
2124 						  "mode=mesh\n");
2125 				break;
2126 			default:
2127 				ret = 0;
2128 				break;
2129 			}
2130 			if (os_snprintf_error(end - pos, ret))
2131 				return pos - buf;
2132 			pos += ret;
2133 		}
2134 
2135 		if (wpa_s->connection_set &&
2136 		    (wpa_s->connection_ht || wpa_s->connection_vht ||
2137 		     wpa_s->connection_he)) {
2138 			ret = os_snprintf(pos, end - pos,
2139 					  "wifi_generation=%u\n",
2140 					  wpa_s->connection_he ? 6 :
2141 					  (wpa_s->connection_vht ? 5 : 4));
2142 			if (os_snprintf_error(end - pos, ret))
2143 				return pos - buf;
2144 			pos += ret;
2145 		}
2146 
2147 #ifdef CONFIG_AP
2148 		if (wpa_s->ap_iface) {
2149 			pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
2150 							    end - pos,
2151 							    verbose);
2152 		} else
2153 #endif /* CONFIG_AP */
2154 		pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
2155 	}
2156 #ifdef CONFIG_SME
2157 #ifdef CONFIG_SAE
2158 	if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
2159 #ifdef CONFIG_AP
2160 	    !wpa_s->ap_iface &&
2161 #endif /* CONFIG_AP */
2162 	    wpa_s->sme.sae.state == SAE_ACCEPTED) {
2163 		ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
2164 				  wpa_s->sme.sae.group);
2165 		if (os_snprintf_error(end - pos, ret))
2166 			return pos - buf;
2167 		pos += ret;
2168 	}
2169 #endif /* CONFIG_SAE */
2170 #endif /* CONFIG_SME */
2171 	ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
2172 			  wpa_supplicant_state_txt(wpa_s->wpa_state));
2173 	if (os_snprintf_error(end - pos, ret))
2174 		return pos - buf;
2175 	pos += ret;
2176 
2177 	if (wpa_s->l2 &&
2178 	    l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
2179 		ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
2180 		if (os_snprintf_error(end - pos, ret))
2181 			return pos - buf;
2182 		pos += ret;
2183 	}
2184 
2185 #ifdef CONFIG_P2P
2186 	if (wpa_s->global->p2p) {
2187 		ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
2188 				  "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
2189 		if (os_snprintf_error(end - pos, ret))
2190 			return pos - buf;
2191 		pos += ret;
2192 	}
2193 #endif /* CONFIG_P2P */
2194 
2195 	ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
2196 			  MAC2STR(wpa_s->own_addr));
2197 	if (os_snprintf_error(end - pos, ret))
2198 		return pos - buf;
2199 	pos += ret;
2200 
2201 #ifdef CONFIG_HS20
2202 	if (wpa_s->current_bss &&
2203 	    (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
2204 					  HS20_IE_VENDOR_TYPE)) &&
2205 	    wpa_s->wpa_proto == WPA_PROTO_RSN &&
2206 	    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
2207 		int release = 1;
2208 		if (hs20[1] >= 5) {
2209 			u8 rel_num = (hs20[6] & 0xf0) >> 4;
2210 			release = rel_num + 1;
2211 		}
2212 		ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
2213 		if (os_snprintf_error(end - pos, ret))
2214 			return pos - buf;
2215 		pos += ret;
2216 	}
2217 
2218 	if (wpa_s->current_ssid) {
2219 		struct wpa_cred *cred;
2220 		char *type;
2221 
2222 		for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
2223 			size_t i;
2224 
2225 			if (wpa_s->current_ssid->parent_cred != cred)
2226 				continue;
2227 
2228 			if (cred->provisioning_sp) {
2229 				ret = os_snprintf(pos, end - pos,
2230 						  "provisioning_sp=%s\n",
2231 						  cred->provisioning_sp);
2232 				if (os_snprintf_error(end - pos, ret))
2233 					return pos - buf;
2234 				pos += ret;
2235 			}
2236 
2237 			if (!cred->domain)
2238 				goto no_domain;
2239 
2240 			i = 0;
2241 			if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
2242 				struct wpabuf *names =
2243 					wpa_s->current_bss->anqp->domain_name;
2244 				for (i = 0; names && i < cred->num_domain; i++)
2245 				{
2246 					if (domain_name_list_contains(
2247 						    names, cred->domain[i], 1))
2248 						break;
2249 				}
2250 				if (i == cred->num_domain)
2251 					i = 0; /* show first entry by default */
2252 			}
2253 			ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
2254 					  cred->domain[i]);
2255 			if (os_snprintf_error(end - pos, ret))
2256 				return pos - buf;
2257 			pos += ret;
2258 
2259 		no_domain:
2260 			if (wpa_s->current_bss == NULL ||
2261 			    wpa_s->current_bss->anqp == NULL)
2262 				res = -1;
2263 			else
2264 				res = interworking_home_sp_cred(
2265 					wpa_s, cred,
2266 					wpa_s->current_bss->anqp->domain_name);
2267 			if (res > 0)
2268 				type = "home";
2269 			else if (res == 0)
2270 				type = "roaming";
2271 			else
2272 				type = "unknown";
2273 
2274 			ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
2275 			if (os_snprintf_error(end - pos, ret))
2276 				return pos - buf;
2277 			pos += ret;
2278 
2279 			break;
2280 		}
2281 	}
2282 #endif /* CONFIG_HS20 */
2283 
2284 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
2285 	    wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
2286 		res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
2287 					  verbose);
2288 		if (res >= 0)
2289 			pos += res;
2290 	}
2291 
2292 #ifdef CONFIG_MACSEC
2293 	res = ieee802_1x_kay_get_status(wpa_s->kay, pos, end - pos);
2294 	if (res > 0)
2295 		pos += res;
2296 #endif /* CONFIG_MACSEC */
2297 
2298 	sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
2299 	if (sess_id) {
2300 		char *start = pos;
2301 
2302 		ret = os_snprintf(pos, end - pos, "eap_session_id=");
2303 		if (os_snprintf_error(end - pos, ret))
2304 			return start - buf;
2305 		pos += ret;
2306 		ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
2307 		if (ret <= 0)
2308 			return start - buf;
2309 		pos += ret;
2310 		ret = os_snprintf(pos, end - pos, "\n");
2311 		if (os_snprintf_error(end - pos, ret))
2312 			return start - buf;
2313 		pos += ret;
2314 	}
2315 
2316 	res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
2317 	if (res >= 0)
2318 		pos += res;
2319 
2320 #ifdef CONFIG_WPS
2321 	{
2322 		char uuid_str[100];
2323 		uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
2324 		ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
2325 		if (os_snprintf_error(end - pos, ret))
2326 			return pos - buf;
2327 		pos += ret;
2328 	}
2329 #endif /* CONFIG_WPS */
2330 
2331 	if (wpa_s->ieee80211ac) {
2332 		ret = os_snprintf(pos, end - pos, "ieee80211ac=1\n");
2333 		if (os_snprintf_error(end - pos, ret))
2334 			return pos - buf;
2335 		pos += ret;
2336 	}
2337 
2338 #ifdef ANDROID
2339 	/*
2340 	 * Allow using the STATUS command with default behavior, say for debug,
2341 	 * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
2342 	 * events with STATUS-NO_EVENTS.
2343 	 */
2344 	if (os_strcmp(params, "-NO_EVENTS")) {
2345 		wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
2346 			     "id=%d state=%d BSSID=" MACSTR " SSID=%s",
2347 			     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
2348 			     wpa_s->wpa_state,
2349 			     MAC2STR(wpa_s->bssid),
2350 			     wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
2351 			     wpa_ssid_txt(wpa_s->current_ssid->ssid,
2352 					  wpa_s->current_ssid->ssid_len) : "");
2353 		if (wpa_s->wpa_state == WPA_COMPLETED) {
2354 			struct wpa_ssid *ssid = wpa_s->current_ssid;
2355 			wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
2356 				     "- connection to " MACSTR
2357 				     " completed %s [id=%d id_str=%s]",
2358 				     MAC2STR(wpa_s->bssid), "(auth)",
2359 				     ssid ? ssid->id : -1,
2360 				     ssid && ssid->id_str ? ssid->id_str : "");
2361 		}
2362 	}
2363 #endif /* ANDROID */
2364 
2365 	return pos - buf;
2366 }
2367 
2368 
wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant * wpa_s,char * cmd)2369 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
2370 					   char *cmd)
2371 {
2372 	char *pos;
2373 	int id;
2374 	struct wpa_ssid *ssid;
2375 	u8 bssid[ETH_ALEN];
2376 
2377 	/* cmd: "<network id> <BSSID>" */
2378 	pos = os_strchr(cmd, ' ');
2379 	if (pos == NULL)
2380 		return -1;
2381 	*pos++ = '\0';
2382 	id = atoi(cmd);
2383 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
2384 	if (hwaddr_aton(pos, bssid)) {
2385 		wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
2386 		return -1;
2387 	}
2388 
2389 	ssid = wpa_config_get_network(wpa_s->conf, id);
2390 	if (ssid == NULL) {
2391 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
2392 			   "to update", id);
2393 		return -1;
2394 	}
2395 
2396 	os_memcpy(ssid->bssid, bssid, ETH_ALEN);
2397 	ssid->bssid_set = !is_zero_ether_addr(bssid);
2398 
2399 	return 0;
2400 }
2401 
2402 
wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2403 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
2404 					       char *cmd, char *buf,
2405 					       size_t buflen)
2406 {
2407 	u8 bssid[ETH_ALEN];
2408 	struct wpa_blacklist *e;
2409 	char *pos, *end;
2410 	int ret;
2411 
2412 	/* cmd: "BLACKLIST [<BSSID>]" */
2413 	if (*cmd == '\0') {
2414 		pos = buf;
2415 		end = buf + buflen;
2416 		e = wpa_s->blacklist;
2417 		while (e) {
2418 			ret = os_snprintf(pos, end - pos, MACSTR "\n",
2419 					  MAC2STR(e->bssid));
2420 			if (os_snprintf_error(end - pos, ret))
2421 				return pos - buf;
2422 			pos += ret;
2423 			e = e->next;
2424 		}
2425 		return pos - buf;
2426 	}
2427 
2428 	cmd++;
2429 	if (os_strncmp(cmd, "clear", 5) == 0) {
2430 		wpa_blacklist_clear(wpa_s);
2431 		os_memcpy(buf, "OK\n", 3);
2432 		return 3;
2433 	}
2434 
2435 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
2436 	if (hwaddr_aton(cmd, bssid)) {
2437 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
2438 		return -1;
2439 	}
2440 
2441 	/*
2442 	 * Add the BSSID twice, so its count will be 2, causing it to be
2443 	 * skipped when processing scan results.
2444 	 */
2445 	ret = wpa_blacklist_add(wpa_s, bssid);
2446 	if (ret < 0)
2447 		return -1;
2448 	ret = wpa_blacklist_add(wpa_s, bssid);
2449 	if (ret < 0)
2450 		return -1;
2451 	os_memcpy(buf, "OK\n", 3);
2452 	return 3;
2453 }
2454 
2455 
wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2456 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
2457 					       char *cmd, char *buf,
2458 					       size_t buflen)
2459 {
2460 	char *pos, *end, *stamp;
2461 	int ret;
2462 
2463 	/* cmd: "LOG_LEVEL [<level>]" */
2464 	if (*cmd == '\0') {
2465 		pos = buf;
2466 		end = buf + buflen;
2467 		ret = os_snprintf(pos, end - pos, "Current level: %s\n"
2468 				  "Timestamp: %d\n",
2469 				  debug_level_str(wpa_debug_level),
2470 				  wpa_debug_timestamp);
2471 		if (os_snprintf_error(end - pos, ret))
2472 			ret = 0;
2473 
2474 		return ret;
2475 	}
2476 
2477 	while (*cmd == ' ')
2478 		cmd++;
2479 
2480 	stamp = os_strchr(cmd, ' ');
2481 	if (stamp) {
2482 		*stamp++ = '\0';
2483 		while (*stamp == ' ') {
2484 			stamp++;
2485 		}
2486 	}
2487 
2488 	if (os_strlen(cmd)) {
2489 		int level = str_to_debug_level(cmd);
2490 		if (level < 0)
2491 			return -1;
2492 		wpa_debug_level = level;
2493 	}
2494 
2495 	if (stamp && os_strlen(stamp))
2496 		wpa_debug_timestamp = atoi(stamp);
2497 
2498 	os_memcpy(buf, "OK\n", 3);
2499 	return 3;
2500 }
2501 
2502 
wpa_supplicant_ctrl_iface_list_networks(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)2503 static int wpa_supplicant_ctrl_iface_list_networks(
2504 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2505 {
2506 	char *pos, *end, *prev;
2507 	struct wpa_ssid *ssid;
2508 	int ret;
2509 
2510 	pos = buf;
2511 	end = buf + buflen;
2512 	ret = os_snprintf(pos, end - pos,
2513 			  "network id / ssid / bssid / flags\n");
2514 	if (os_snprintf_error(end - pos, ret))
2515 		return pos - buf;
2516 	pos += ret;
2517 
2518 	ssid = wpa_s->conf->ssid;
2519 
2520 	/* skip over ssids until we find next one */
2521 	if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
2522 		int last_id = atoi(cmd + 8);
2523 		if (last_id != -1) {
2524 			while (ssid != NULL && ssid->id <= last_id) {
2525 				ssid = ssid->next;
2526 			}
2527 		}
2528 	}
2529 
2530 	while (ssid) {
2531 		prev = pos;
2532 		ret = os_snprintf(pos, end - pos, "%d\t%s",
2533 				  ssid->id,
2534 				  wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
2535 		if (os_snprintf_error(end - pos, ret))
2536 			return prev - buf;
2537 		pos += ret;
2538 		if (ssid->bssid_set) {
2539 			ret = os_snprintf(pos, end - pos, "\t" MACSTR,
2540 					  MAC2STR(ssid->bssid));
2541 		} else {
2542 			ret = os_snprintf(pos, end - pos, "\tany");
2543 		}
2544 		if (os_snprintf_error(end - pos, ret))
2545 			return prev - buf;
2546 		pos += ret;
2547 		ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
2548 				  ssid == wpa_s->current_ssid ?
2549 				  "[CURRENT]" : "",
2550 				  ssid->disabled ? "[DISABLED]" : "",
2551 				  ssid->disabled_until.sec ?
2552 				  "[TEMP-DISABLED]" : "",
2553 				  ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
2554 				  "");
2555 		if (os_snprintf_error(end - pos, ret))
2556 			return prev - buf;
2557 		pos += ret;
2558 		ret = os_snprintf(pos, end - pos, "\n");
2559 		if (os_snprintf_error(end - pos, ret))
2560 			return prev - buf;
2561 		pos += ret;
2562 
2563 		ssid = ssid->next;
2564 	}
2565 
2566 	return pos - buf;
2567 }
2568 
2569 
wpa_supplicant_cipher_txt(char * pos,char * end,int cipher)2570 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
2571 {
2572 	int ret;
2573 	ret = os_snprintf(pos, end - pos, "-");
2574 	if (os_snprintf_error(end - pos, ret))
2575 		return pos;
2576 	pos += ret;
2577 	ret = wpa_write_ciphers(pos, end, cipher, "+");
2578 	if (ret < 0)
2579 		return pos;
2580 	pos += ret;
2581 	return pos;
2582 }
2583 
2584 
wpa_supplicant_ie_txt(char * pos,char * end,const char * proto,const u8 * ie,size_t ie_len)2585 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
2586 				    const u8 *ie, size_t ie_len)
2587 {
2588 	struct wpa_ie_data data;
2589 	char *start;
2590 	int ret;
2591 
2592 	ret = os_snprintf(pos, end - pos, "[%s-", proto);
2593 	if (os_snprintf_error(end - pos, ret))
2594 		return pos;
2595 	pos += ret;
2596 
2597 	if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
2598 		ret = os_snprintf(pos, end - pos, "?]");
2599 		if (os_snprintf_error(end - pos, ret))
2600 			return pos;
2601 		pos += ret;
2602 		return pos;
2603 	}
2604 
2605 	start = pos;
2606 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
2607 		ret = os_snprintf(pos, end - pos, "%sEAP",
2608 				  pos == start ? "" : "+");
2609 		if (os_snprintf_error(end - pos, ret))
2610 			return pos;
2611 		pos += ret;
2612 	}
2613 	if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
2614 		ret = os_snprintf(pos, end - pos, "%sPSK",
2615 				  pos == start ? "" : "+");
2616 		if (os_snprintf_error(end - pos, ret))
2617 			return pos;
2618 		pos += ret;
2619 	}
2620 	if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
2621 		ret = os_snprintf(pos, end - pos, "%sNone",
2622 				  pos == start ? "" : "+");
2623 		if (os_snprintf_error(end - pos, ret))
2624 			return pos;
2625 		pos += ret;
2626 	}
2627 	if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
2628 		ret = os_snprintf(pos, end - pos, "%sSAE",
2629 				  pos == start ? "" : "+");
2630 		if (os_snprintf_error(end - pos, ret))
2631 			return pos;
2632 		pos += ret;
2633 	}
2634 #ifdef CONFIG_IEEE80211R
2635 	if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
2636 		ret = os_snprintf(pos, end - pos, "%sFT/EAP",
2637 				  pos == start ? "" : "+");
2638 		if (os_snprintf_error(end - pos, ret))
2639 			return pos;
2640 		pos += ret;
2641 	}
2642 	if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
2643 		ret = os_snprintf(pos, end - pos, "%sFT/PSK",
2644 				  pos == start ? "" : "+");
2645 		if (os_snprintf_error(end - pos, ret))
2646 			return pos;
2647 		pos += ret;
2648 	}
2649 	if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
2650 		ret = os_snprintf(pos, end - pos, "%sFT/SAE",
2651 				  pos == start ? "" : "+");
2652 		if (os_snprintf_error(end - pos, ret))
2653 			return pos;
2654 		pos += ret;
2655 	}
2656 #endif /* CONFIG_IEEE80211R */
2657 #ifdef CONFIG_IEEE80211W
2658 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
2659 		ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
2660 				  pos == start ? "" : "+");
2661 		if (os_snprintf_error(end - pos, ret))
2662 			return pos;
2663 		pos += ret;
2664 	}
2665 	if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
2666 		ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
2667 				  pos == start ? "" : "+");
2668 		if (os_snprintf_error(end - pos, ret))
2669 			return pos;
2670 		pos += ret;
2671 	}
2672 #endif /* CONFIG_IEEE80211W */
2673 
2674 #ifdef CONFIG_SUITEB
2675 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
2676 		ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
2677 				  pos == start ? "" : "+");
2678 		if (os_snprintf_error(end - pos, ret))
2679 			return pos;
2680 		pos += ret;
2681 	}
2682 #endif /* CONFIG_SUITEB */
2683 
2684 #ifdef CONFIG_SUITEB192
2685 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
2686 		ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
2687 				  pos == start ? "" : "+");
2688 		if (os_snprintf_error(end - pos, ret))
2689 			return pos;
2690 		pos += ret;
2691 	}
2692 #endif /* CONFIG_SUITEB192 */
2693 
2694 #ifdef CONFIG_FILS
2695 	if (data.key_mgmt & WPA_KEY_MGMT_FILS_SHA256) {
2696 		ret = os_snprintf(pos, end - pos, "%sFILS-SHA256",
2697 				  pos == start ? "" : "+");
2698 		if (os_snprintf_error(end - pos, ret))
2699 			return pos;
2700 		pos += ret;
2701 	}
2702 	if (data.key_mgmt & WPA_KEY_MGMT_FILS_SHA384) {
2703 		ret = os_snprintf(pos, end - pos, "%sFILS-SHA384",
2704 				  pos == start ? "" : "+");
2705 		if (os_snprintf_error(end - pos, ret))
2706 			return pos;
2707 		pos += ret;
2708 	}
2709 #ifdef CONFIG_IEEE80211R
2710 	if (data.key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA256) {
2711 		ret = os_snprintf(pos, end - pos, "%sFT-FILS-SHA256",
2712 				  pos == start ? "" : "+");
2713 		if (os_snprintf_error(end - pos, ret))
2714 			return pos;
2715 		pos += ret;
2716 	}
2717 	if (data.key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA384) {
2718 		ret = os_snprintf(pos, end - pos, "%sFT-FILS-SHA384",
2719 				  pos == start ? "" : "+");
2720 		if (os_snprintf_error(end - pos, ret))
2721 			return pos;
2722 		pos += ret;
2723 	}
2724 #endif /* CONFIG_IEEE80211R */
2725 #endif /* CONFIG_FILS */
2726 
2727 #ifdef CONFIG_OWE
2728 	if (data.key_mgmt & WPA_KEY_MGMT_OWE) {
2729 		ret = os_snprintf(pos, end - pos, "%sOWE",
2730 				  pos == start ? "" : "+");
2731 		if (os_snprintf_error(end - pos, ret))
2732 			return pos;
2733 		pos += ret;
2734 	}
2735 #endif /* CONFIG_OWE */
2736 
2737 #ifdef CONFIG_DPP
2738 	if (data.key_mgmt & WPA_KEY_MGMT_DPP) {
2739 		ret = os_snprintf(pos, end - pos, "%sDPP",
2740 				  pos == start ? "" : "+");
2741 		if (os_snprintf_error(end - pos, ret))
2742 			return pos;
2743 		pos += ret;
2744 	}
2745 #endif /* CONFIG_DPP */
2746 
2747 	if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
2748 		ret = os_snprintf(pos, end - pos, "%sOSEN",
2749 				  pos == start ? "" : "+");
2750 		if (os_snprintf_error(end - pos, ret))
2751 			return pos;
2752 		pos += ret;
2753 	}
2754 
2755 	pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
2756 
2757 	if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
2758 		ret = os_snprintf(pos, end - pos, "-preauth");
2759 		if (os_snprintf_error(end - pos, ret))
2760 			return pos;
2761 		pos += ret;
2762 	}
2763 
2764 	ret = os_snprintf(pos, end - pos, "]");
2765 	if (os_snprintf_error(end - pos, ret))
2766 		return pos;
2767 	pos += ret;
2768 
2769 	return pos;
2770 }
2771 
2772 
2773 #ifdef CONFIG_WPS
wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant * wpa_s,char * pos,char * end,struct wpabuf * wps_ie)2774 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2775 					    char *pos, char *end,
2776 					    struct wpabuf *wps_ie)
2777 {
2778 	int ret;
2779 	const char *txt;
2780 
2781 	if (wps_ie == NULL)
2782 		return pos;
2783 	if (wps_is_selected_pbc_registrar(wps_ie))
2784 		txt = "[WPS-PBC]";
2785 	else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2786 		txt = "[WPS-AUTH]";
2787 	else if (wps_is_selected_pin_registrar(wps_ie))
2788 		txt = "[WPS-PIN]";
2789 	else
2790 		txt = "[WPS]";
2791 
2792 	ret = os_snprintf(pos, end - pos, "%s", txt);
2793 	if (!os_snprintf_error(end - pos, ret))
2794 		pos += ret;
2795 	wpabuf_free(wps_ie);
2796 	return pos;
2797 }
2798 #endif /* CONFIG_WPS */
2799 
2800 
wpa_supplicant_wps_ie_txt(struct wpa_supplicant * wpa_s,char * pos,char * end,const struct wpa_bss * bss)2801 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2802 					char *pos, char *end,
2803 					const struct wpa_bss *bss)
2804 {
2805 #ifdef CONFIG_WPS
2806 	struct wpabuf *wps_ie;
2807 	wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2808 	return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2809 #else /* CONFIG_WPS */
2810 	return pos;
2811 #endif /* CONFIG_WPS */
2812 }
2813 
2814 
2815 /* 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)2816 static int wpa_supplicant_ctrl_iface_scan_result(
2817 	struct wpa_supplicant *wpa_s,
2818 	const struct wpa_bss *bss, char *buf, size_t buflen)
2819 {
2820 	char *pos, *end;
2821 	int ret;
2822 	const u8 *ie, *ie2, *osen_ie, *p2p, *mesh, *owe;
2823 
2824 	mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
2825 	p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2826 	if (!p2p)
2827 		p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2828 	if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2829 	    os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2830 	    0)
2831 		return 0; /* Do not show P2P listen discovery results here */
2832 
2833 	pos = buf;
2834 	end = buf + buflen;
2835 
2836 	ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2837 			  MAC2STR(bss->bssid), bss->freq, bss->level);
2838 	if (os_snprintf_error(end - pos, ret))
2839 		return -1;
2840 	pos += ret;
2841 	ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2842 	if (ie)
2843 		pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2844 	ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2845 	if (ie2) {
2846 		pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
2847 					    ie2, 2 + ie2[1]);
2848 	}
2849 	osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
2850 	if (osen_ie)
2851 		pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
2852 					    osen_ie, 2 + osen_ie[1]);
2853 	owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
2854 	if (owe) {
2855 		ret = os_snprintf(pos, end - pos,
2856 				  ie2 ? "[OWE-TRANS]" : "[OWE-TRANS-OPEN]");
2857 		if (os_snprintf_error(end - pos, ret))
2858 			return -1;
2859 		pos += ret;
2860 	}
2861 	pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2862 	if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
2863 		ret = os_snprintf(pos, end - pos, "[WEP]");
2864 		if (os_snprintf_error(end - pos, ret))
2865 			return -1;
2866 		pos += ret;
2867 	}
2868 	if (mesh) {
2869 		ret = os_snprintf(pos, end - pos, "[MESH]");
2870 		if (os_snprintf_error(end - pos, ret))
2871 			return -1;
2872 		pos += ret;
2873 	}
2874 	if (bss_is_dmg(bss)) {
2875 		const char *s;
2876 		ret = os_snprintf(pos, end - pos, "[DMG]");
2877 		if (os_snprintf_error(end - pos, ret))
2878 			return -1;
2879 		pos += ret;
2880 		switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
2881 		case IEEE80211_CAP_DMG_IBSS:
2882 			s = "[IBSS]";
2883 			break;
2884 		case IEEE80211_CAP_DMG_AP:
2885 			s = "[ESS]";
2886 			break;
2887 		case IEEE80211_CAP_DMG_PBSS:
2888 			s = "[PBSS]";
2889 			break;
2890 		default:
2891 			s = "";
2892 			break;
2893 		}
2894 		ret = os_snprintf(pos, end - pos, "%s", s);
2895 		if (os_snprintf_error(end - pos, ret))
2896 			return -1;
2897 		pos += ret;
2898 	} else {
2899 		if (bss->caps & IEEE80211_CAP_IBSS) {
2900 			ret = os_snprintf(pos, end - pos, "[IBSS]");
2901 			if (os_snprintf_error(end - pos, ret))
2902 				return -1;
2903 			pos += ret;
2904 		}
2905 		if (bss->caps & IEEE80211_CAP_ESS) {
2906 			ret = os_snprintf(pos, end - pos, "[ESS]");
2907 			if (os_snprintf_error(end - pos, ret))
2908 				return -1;
2909 			pos += ret;
2910 		}
2911 	}
2912 	if (p2p) {
2913 		ret = os_snprintf(pos, end - pos, "[P2P]");
2914 		if (os_snprintf_error(end - pos, ret))
2915 			return -1;
2916 		pos += ret;
2917 	}
2918 #ifdef CONFIG_HS20
2919 	if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2920 		ret = os_snprintf(pos, end - pos, "[HS20]");
2921 		if (os_snprintf_error(end - pos, ret))
2922 			return -1;
2923 		pos += ret;
2924 	}
2925 #endif /* CONFIG_HS20 */
2926 #ifdef CONFIG_FILS
2927 	if (wpa_bss_get_ie(bss, WLAN_EID_FILS_INDICATION)) {
2928 		ret = os_snprintf(pos, end - pos, "[FILS]");
2929 		if (os_snprintf_error(end - pos, ret))
2930 			return -1;
2931 		pos += ret;
2932 	}
2933 #endif /* CONFIG_FILS */
2934 #ifdef CONFIG_FST
2935 	if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
2936 		ret = os_snprintf(pos, end - pos, "[FST]");
2937 		if (os_snprintf_error(end - pos, ret))
2938 			return -1;
2939 		pos += ret;
2940 	}
2941 #endif /* CONFIG_FST */
2942 	if (wpa_bss_ext_capab(bss, WLAN_EXT_CAPAB_UTF_8_SSID)) {
2943 		ret = os_snprintf(pos, end - pos, "[UTF-8]");
2944 		if (os_snprintf_error(end - pos, ret))
2945 			return -1;
2946 		pos += ret;
2947 	}
2948 
2949 	ret = os_snprintf(pos, end - pos, "\t%s",
2950 			  wpa_ssid_txt(bss->ssid, bss->ssid_len));
2951 	if (os_snprintf_error(end - pos, ret))
2952 		return -1;
2953 	pos += ret;
2954 
2955 	ret = os_snprintf(pos, end - pos, "\n");
2956 	if (os_snprintf_error(end - pos, ret))
2957 		return -1;
2958 	pos += ret;
2959 
2960 	return pos - buf;
2961 }
2962 
2963 
wpa_supplicant_ctrl_iface_scan_results(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)2964 static int wpa_supplicant_ctrl_iface_scan_results(
2965 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2966 {
2967 	char *pos, *end;
2968 	struct wpa_bss *bss;
2969 	int ret;
2970 
2971 	pos = buf;
2972 	end = buf + buflen;
2973 	ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2974 			  "flags / ssid\n");
2975 	if (os_snprintf_error(end - pos, ret))
2976 		return pos - buf;
2977 	pos += ret;
2978 
2979 	dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2980 		ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2981 							    end - pos);
2982 		if (ret < 0 || ret >= end - pos)
2983 			return pos - buf;
2984 		pos += ret;
2985 	}
2986 
2987 	return pos - buf;
2988 }
2989 
2990 
2991 #ifdef CONFIG_MESH
2992 
wpa_supplicant_ctrl_iface_mesh_interface_add(struct wpa_supplicant * wpa_s,char * cmd,char * reply,size_t max_len)2993 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
2994 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
2995 {
2996 	char *pos, ifname[IFNAMSIZ + 1];
2997 
2998 	ifname[0] = '\0';
2999 
3000 	pos = os_strstr(cmd, "ifname=");
3001 	if (pos) {
3002 		pos += 7;
3003 		os_strlcpy(ifname, pos, sizeof(ifname));
3004 	}
3005 
3006 	if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
3007 		return -1;
3008 
3009 	os_strlcpy(reply, ifname, max_len);
3010 	return os_strlen(ifname);
3011 }
3012 
3013 
wpa_supplicant_ctrl_iface_mesh_group_add(struct wpa_supplicant * wpa_s,char * cmd)3014 static int wpa_supplicant_ctrl_iface_mesh_group_add(
3015 	struct wpa_supplicant *wpa_s, char *cmd)
3016 {
3017 	int id;
3018 	struct wpa_ssid *ssid;
3019 
3020 	id = atoi(cmd);
3021 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
3022 
3023 	ssid = wpa_config_get_network(wpa_s->conf, id);
3024 	if (ssid == NULL) {
3025 		wpa_printf(MSG_DEBUG,
3026 			   "CTRL_IFACE: Could not find network id=%d", id);
3027 		return -1;
3028 	}
3029 	if (ssid->mode != WPAS_MODE_MESH) {
3030 		wpa_printf(MSG_DEBUG,
3031 			   "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
3032 		return -1;
3033 	}
3034 	if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
3035 	    ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
3036 		wpa_printf(MSG_ERROR,
3037 			   "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
3038 		return -1;
3039 	}
3040 
3041 	/*
3042 	 * TODO: If necessary write our own group_add function,
3043 	 * for now we can reuse select_network
3044 	 */
3045 	wpa_supplicant_select_network(wpa_s, ssid);
3046 
3047 	return 0;
3048 }
3049 
3050 
wpa_supplicant_ctrl_iface_mesh_group_remove(struct wpa_supplicant * wpa_s,char * cmd)3051 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
3052 	struct wpa_supplicant *wpa_s, char *cmd)
3053 {
3054 	struct wpa_supplicant *orig;
3055 	struct wpa_global *global;
3056 	int found = 0;
3057 
3058 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
3059 
3060 	global = wpa_s->global;
3061 	orig = wpa_s;
3062 
3063 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
3064 		if (os_strcmp(wpa_s->ifname, cmd) == 0) {
3065 			found = 1;
3066 			break;
3067 		}
3068 	}
3069 	if (!found) {
3070 		wpa_printf(MSG_ERROR,
3071 			   "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
3072 			   cmd);
3073 		return -1;
3074 	}
3075 	if (wpa_s->mesh_if_created && wpa_s == orig) {
3076 		wpa_printf(MSG_ERROR,
3077 			   "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
3078 		return -1;
3079 	}
3080 
3081 	wpa_s->reassociate = 0;
3082 	wpa_s->disconnected = 1;
3083 	wpa_supplicant_cancel_sched_scan(wpa_s);
3084 	wpa_supplicant_cancel_scan(wpa_s);
3085 
3086 	/*
3087 	 * TODO: If necessary write our own group_remove function,
3088 	 * for now we can reuse deauthenticate
3089 	 */
3090 	wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
3091 
3092 	if (wpa_s->mesh_if_created)
3093 		wpa_supplicant_remove_iface(global, wpa_s, 0);
3094 
3095 	return 0;
3096 }
3097 
3098 
wpa_supplicant_ctrl_iface_mesh_peer_remove(struct wpa_supplicant * wpa_s,char * cmd)3099 static int wpa_supplicant_ctrl_iface_mesh_peer_remove(
3100 	struct wpa_supplicant *wpa_s, char *cmd)
3101 {
3102 	u8 addr[ETH_ALEN];
3103 
3104 	if (hwaddr_aton(cmd, addr) < 0)
3105 		return -1;
3106 
3107 	return wpas_mesh_peer_remove(wpa_s, addr);
3108 }
3109 
3110 
wpa_supplicant_ctrl_iface_mesh_peer_add(struct wpa_supplicant * wpa_s,char * cmd)3111 static int wpa_supplicant_ctrl_iface_mesh_peer_add(
3112 	struct wpa_supplicant *wpa_s, char *cmd)
3113 {
3114 	u8 addr[ETH_ALEN];
3115 	int duration;
3116 	char *pos;
3117 
3118 	pos = os_strstr(cmd, " duration=");
3119 	if (pos) {
3120 		*pos = '\0';
3121 		duration = atoi(pos + 10);
3122 	} else {
3123 		duration = -1;
3124 	}
3125 
3126 	if (hwaddr_aton(cmd, addr))
3127 		return -1;
3128 
3129 	return wpas_mesh_peer_add(wpa_s, addr, duration);
3130 }
3131 
3132 #endif /* CONFIG_MESH */
3133 
3134 
wpa_supplicant_ctrl_iface_select_network(struct wpa_supplicant * wpa_s,char * cmd)3135 static int wpa_supplicant_ctrl_iface_select_network(
3136 	struct wpa_supplicant *wpa_s, char *cmd)
3137 {
3138 	int id;
3139 	struct wpa_ssid *ssid;
3140 	char *pos;
3141 
3142 	/* cmd: "<network id>" or "any" */
3143 	if (os_strncmp(cmd, "any", 3) == 0) {
3144 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
3145 		ssid = NULL;
3146 	} else {
3147 		id = atoi(cmd);
3148 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
3149 
3150 		ssid = wpa_config_get_network(wpa_s->conf, id);
3151 		if (ssid == NULL) {
3152 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3153 				   "network id=%d", id);
3154 			return -1;
3155 		}
3156 		if (ssid->disabled == 2) {
3157 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
3158 				   "SELECT_NETWORK with persistent P2P group");
3159 			return -1;
3160 		}
3161 	}
3162 
3163 	pos = os_strstr(cmd, " freq=");
3164 	if (pos) {
3165 		int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
3166 		if (freqs) {
3167 			os_free(wpa_s->select_network_scan_freqs);
3168 			wpa_s->select_network_scan_freqs = freqs;
3169 		}
3170 	}
3171 
3172 	wpa_s->scan_min_time.sec = 0;
3173 	wpa_s->scan_min_time.usec = 0;
3174 	wpa_supplicant_select_network(wpa_s, ssid);
3175 
3176 	return 0;
3177 }
3178 
3179 
wpa_supplicant_ctrl_iface_enable_network(struct wpa_supplicant * wpa_s,char * cmd)3180 static int wpa_supplicant_ctrl_iface_enable_network(
3181 	struct wpa_supplicant *wpa_s, char *cmd)
3182 {
3183 	int id;
3184 	struct wpa_ssid *ssid;
3185 
3186 	/* cmd: "<network id>" or "all" */
3187 	if (os_strcmp(cmd, "all") == 0) {
3188 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
3189 		ssid = NULL;
3190 	} else {
3191 		id = atoi(cmd);
3192 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
3193 
3194 		ssid = wpa_config_get_network(wpa_s->conf, id);
3195 		if (ssid == NULL) {
3196 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3197 				   "network id=%d", id);
3198 			return -1;
3199 		}
3200 		if (ssid->disabled == 2) {
3201 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
3202 				   "ENABLE_NETWORK with persistent P2P group");
3203 			return -1;
3204 		}
3205 
3206 		if (os_strstr(cmd, " no-connect")) {
3207 			ssid->disabled = 0;
3208 			return 0;
3209 		}
3210 	}
3211 	wpa_s->scan_min_time.sec = 0;
3212 	wpa_s->scan_min_time.usec = 0;
3213 	wpa_supplicant_enable_network(wpa_s, ssid);
3214 
3215 	return 0;
3216 }
3217 
3218 
wpa_supplicant_ctrl_iface_disable_network(struct wpa_supplicant * wpa_s,char * cmd)3219 static int wpa_supplicant_ctrl_iface_disable_network(
3220 	struct wpa_supplicant *wpa_s, char *cmd)
3221 {
3222 	int id;
3223 	struct wpa_ssid *ssid;
3224 
3225 	/* cmd: "<network id>" or "all" */
3226 	if (os_strcmp(cmd, "all") == 0) {
3227 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
3228 		ssid = NULL;
3229 	} else {
3230 		id = atoi(cmd);
3231 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
3232 
3233 		ssid = wpa_config_get_network(wpa_s->conf, id);
3234 		if (ssid == NULL) {
3235 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3236 				   "network id=%d", id);
3237 			return -1;
3238 		}
3239 		if (ssid->disabled == 2) {
3240 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
3241 				   "DISABLE_NETWORK with persistent P2P "
3242 				   "group");
3243 			return -1;
3244 		}
3245 	}
3246 	wpa_supplicant_disable_network(wpa_s, ssid);
3247 
3248 	return 0;
3249 }
3250 
3251 
wpa_supplicant_ctrl_iface_add_network(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3252 static int wpa_supplicant_ctrl_iface_add_network(
3253 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
3254 {
3255 	struct wpa_ssid *ssid;
3256 	int ret;
3257 
3258 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
3259 
3260 	ssid = wpa_supplicant_add_network(wpa_s);
3261 	if (ssid == NULL)
3262 		return -1;
3263 
3264 	ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
3265 	if (os_snprintf_error(buflen, ret))
3266 		return -1;
3267 	return ret;
3268 }
3269 
3270 
wpa_supplicant_ctrl_iface_remove_network(struct wpa_supplicant * wpa_s,char * cmd)3271 static int wpa_supplicant_ctrl_iface_remove_network(
3272 	struct wpa_supplicant *wpa_s, char *cmd)
3273 {
3274 	int id;
3275 	struct wpa_ssid *ssid;
3276 	int result;
3277 
3278 	/* cmd: "<network id>" or "all" */
3279 	if (os_strcmp(cmd, "all") == 0) {
3280 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
3281 		if (wpa_s->sched_scanning)
3282 			wpa_supplicant_cancel_sched_scan(wpa_s);
3283 
3284 		eapol_sm_invalidate_cached_session(wpa_s->eapol);
3285 		if (wpa_s->current_ssid) {
3286 #ifdef CONFIG_SME
3287 			wpa_s->sme.prev_bssid_set = 0;
3288 #endif /* CONFIG_SME */
3289 			wpa_sm_set_config(wpa_s->wpa, NULL);
3290 			eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
3291 			if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
3292 				wpa_s->own_disconnect_req = 1;
3293 			wpa_supplicant_deauthenticate(
3294 				wpa_s, WLAN_REASON_DEAUTH_LEAVING);
3295 		}
3296 		ssid = wpa_s->conf->ssid;
3297 		while (ssid) {
3298 			struct wpa_ssid *remove_ssid = ssid;
3299 			id = ssid->id;
3300 			ssid = ssid->next;
3301 			if (wpa_s->last_ssid == remove_ssid)
3302 				wpa_s->last_ssid = NULL;
3303 			wpas_notify_network_removed(wpa_s, remove_ssid);
3304 			wpa_config_remove_network(wpa_s->conf, id);
3305 		}
3306 		return 0;
3307 	}
3308 
3309 	id = atoi(cmd);
3310 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
3311 
3312 	result = wpa_supplicant_remove_network(wpa_s, id);
3313 	if (result == -1) {
3314 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3315 			   "id=%d", id);
3316 		return -1;
3317 	}
3318 	if (result == -2) {
3319 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
3320 			   "network id=%d", id);
3321 		return -1;
3322 	}
3323 	return 0;
3324 }
3325 
3326 
wpa_supplicant_ctrl_iface_update_network(struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid,char * name,char * value)3327 static int wpa_supplicant_ctrl_iface_update_network(
3328 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
3329 	char *name, char *value)
3330 {
3331 	int ret;
3332 
3333 	ret = wpa_config_set(ssid, name, value, 0);
3334 	if (ret < 0) {
3335 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
3336 			   "variable '%s'", name);
3337 		return -1;
3338 	}
3339 	if (ret == 1)
3340 		return 0; /* No change to the previously configured value */
3341 
3342 	if (os_strcmp(name, "bssid") != 0 &&
3343 	    os_strcmp(name, "bssid_hint") != 0 &&
3344 	    os_strcmp(name, "priority") != 0) {
3345 		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
3346 
3347 		if (wpa_s->current_ssid == ssid ||
3348 		    wpa_s->current_ssid == NULL) {
3349 			/*
3350 			 * Invalidate the EAP session cache if anything in the
3351 			 * current or previously used configuration changes.
3352 			 */
3353 			eapol_sm_invalidate_cached_session(wpa_s->eapol);
3354 		}
3355 	}
3356 
3357 	if ((os_strcmp(name, "psk") == 0 &&
3358 	     value[0] == '"' && ssid->ssid_len) ||
3359 	    (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
3360 		wpa_config_update_psk(ssid);
3361 	else if (os_strcmp(name, "priority") == 0)
3362 		wpa_config_update_prio_list(wpa_s->conf);
3363 
3364 	return 0;
3365 }
3366 
3367 
wpa_supplicant_ctrl_iface_set_network(struct wpa_supplicant * wpa_s,char * cmd)3368 static int wpa_supplicant_ctrl_iface_set_network(
3369 	struct wpa_supplicant *wpa_s, char *cmd)
3370 {
3371 	int id, ret, prev_bssid_set, prev_disabled;
3372 	struct wpa_ssid *ssid;
3373 	char *name, *value;
3374 	u8 prev_bssid[ETH_ALEN];
3375 
3376 	/* cmd: "<network id> <variable name> <value>" */
3377 	name = os_strchr(cmd, ' ');
3378 	if (name == NULL)
3379 		return -1;
3380 	*name++ = '\0';
3381 
3382 	value = os_strchr(name, ' ');
3383 	if (value == NULL)
3384 		return -1;
3385 	*value++ = '\0';
3386 
3387 	id = atoi(cmd);
3388 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
3389 		   id, name);
3390 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3391 			      (u8 *) value, os_strlen(value));
3392 
3393 	ssid = wpa_config_get_network(wpa_s->conf, id);
3394 	if (ssid == NULL) {
3395 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
3396 			   "id=%d", id);
3397 		return -1;
3398 	}
3399 
3400 	prev_bssid_set = ssid->bssid_set;
3401 	prev_disabled = ssid->disabled;
3402 	os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
3403 	ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
3404 						       value);
3405 	if (ret == 0 &&
3406 	    (ssid->bssid_set != prev_bssid_set ||
3407 	     os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
3408 		wpas_notify_network_bssid_set_changed(wpa_s, ssid);
3409 
3410 	if (prev_disabled != ssid->disabled &&
3411 	    (prev_disabled == 2 || ssid->disabled == 2))
3412 		wpas_notify_network_type_changed(wpa_s, ssid);
3413 
3414 	return ret;
3415 }
3416 
3417 
wpa_supplicant_ctrl_iface_get_network(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3418 static int wpa_supplicant_ctrl_iface_get_network(
3419 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
3420 {
3421 	int id;
3422 	size_t res;
3423 	struct wpa_ssid *ssid;
3424 	char *name, *value;
3425 
3426 	/* cmd: "<network id> <variable name>" */
3427 	name = os_strchr(cmd, ' ');
3428 	if (name == NULL || buflen == 0)
3429 		return -1;
3430 	*name++ = '\0';
3431 
3432 	id = atoi(cmd);
3433 	wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
3434 		   id, name);
3435 
3436 	ssid = wpa_config_get_network(wpa_s->conf, id);
3437 	if (ssid == NULL) {
3438 		wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Could not find network "
3439 			   "id=%d", id);
3440 		return -1;
3441 	}
3442 
3443 	value = wpa_config_get_no_key(ssid, name);
3444 	if (value == NULL) {
3445 		wpa_printf(MSG_EXCESSIVE, "CTRL_IFACE: Failed to get network "
3446 			   "variable '%s'", name);
3447 		return -1;
3448 	}
3449 
3450 	res = os_strlcpy(buf, value, buflen);
3451 	if (res >= buflen) {
3452 		os_free(value);
3453 		return -1;
3454 	}
3455 
3456 	os_free(value);
3457 
3458 	return res;
3459 }
3460 
3461 
wpa_supplicant_ctrl_iface_dup_network(struct wpa_supplicant * wpa_s,char * cmd,struct wpa_supplicant * dst_wpa_s)3462 static int wpa_supplicant_ctrl_iface_dup_network(
3463 	struct wpa_supplicant *wpa_s, char *cmd,
3464 	struct wpa_supplicant *dst_wpa_s)
3465 {
3466 	struct wpa_ssid *ssid_s, *ssid_d;
3467 	char *name, *id, *value;
3468 	int id_s, id_d, ret;
3469 
3470 	/* cmd: "<src network id> <dst network id> <variable name>" */
3471 	id = os_strchr(cmd, ' ');
3472 	if (id == NULL)
3473 		return -1;
3474 	*id++ = '\0';
3475 
3476 	name = os_strchr(id, ' ');
3477 	if (name == NULL)
3478 		return -1;
3479 	*name++ = '\0';
3480 
3481 	id_s = atoi(cmd);
3482 	id_d = atoi(id);
3483 
3484 	wpa_printf(MSG_DEBUG,
3485 		   "CTRL_IFACE: DUP_NETWORK ifname=%s->%s id=%d->%d name='%s'",
3486 		   wpa_s->ifname, dst_wpa_s->ifname, id_s, id_d, name);
3487 
3488 	ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
3489 	if (ssid_s == NULL) {
3490 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3491 			   "network id=%d", id_s);
3492 		return -1;
3493 	}
3494 
3495 	ssid_d = wpa_config_get_network(dst_wpa_s->conf, id_d);
3496 	if (ssid_d == NULL) {
3497 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3498 			   "network id=%d", id_d);
3499 		return -1;
3500 	}
3501 
3502 	value = wpa_config_get(ssid_s, name);
3503 	if (value == NULL) {
3504 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
3505 			   "variable '%s'", name);
3506 		return -1;
3507 	}
3508 
3509 	ret = wpa_supplicant_ctrl_iface_update_network(dst_wpa_s, ssid_d, name,
3510 						       value);
3511 
3512 	os_free(value);
3513 
3514 	return ret;
3515 }
3516 
3517 
wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3518 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
3519 						char *buf, size_t buflen)
3520 {
3521 	char *pos, *end;
3522 	struct wpa_cred *cred;
3523 	int ret;
3524 
3525 	pos = buf;
3526 	end = buf + buflen;
3527 	ret = os_snprintf(pos, end - pos,
3528 			  "cred id / realm / username / domain / imsi\n");
3529 	if (os_snprintf_error(end - pos, ret))
3530 		return pos - buf;
3531 	pos += ret;
3532 
3533 	cred = wpa_s->conf->cred;
3534 	while (cred) {
3535 		ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
3536 				  cred->id, cred->realm ? cred->realm : "",
3537 				  cred->username ? cred->username : "",
3538 				  cred->domain ? cred->domain[0] : "",
3539 				  cred->imsi ? cred->imsi : "");
3540 		if (os_snprintf_error(end - pos, ret))
3541 			return pos - buf;
3542 		pos += ret;
3543 
3544 		cred = cred->next;
3545 	}
3546 
3547 	return pos - buf;
3548 }
3549 
3550 
wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)3551 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
3552 					      char *buf, size_t buflen)
3553 {
3554 	struct wpa_cred *cred;
3555 	int ret;
3556 
3557 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
3558 
3559 	cred = wpa_config_add_cred(wpa_s->conf);
3560 	if (cred == NULL)
3561 		return -1;
3562 
3563 	wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
3564 
3565 	ret = os_snprintf(buf, buflen, "%d\n", cred->id);
3566 	if (os_snprintf_error(buflen, ret))
3567 		return -1;
3568 	return ret;
3569 }
3570 
3571 
wpas_ctrl_remove_cred(struct wpa_supplicant * wpa_s,struct wpa_cred * cred)3572 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
3573 				 struct wpa_cred *cred)
3574 {
3575 	struct wpa_ssid *ssid;
3576 	char str[20];
3577 	int id;
3578 
3579 	if (cred == NULL) {
3580 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3581 		return -1;
3582 	}
3583 
3584 	id = cred->id;
3585 	if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
3586 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
3587 		return -1;
3588 	}
3589 
3590 	wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
3591 
3592 	/* Remove any network entry created based on the removed credential */
3593 	ssid = wpa_s->conf->ssid;
3594 	while (ssid) {
3595 		if (ssid->parent_cred == cred) {
3596 			int res;
3597 
3598 			wpa_printf(MSG_DEBUG, "Remove network id %d since it "
3599 				   "used the removed credential", ssid->id);
3600 			res = os_snprintf(str, sizeof(str), "%d", ssid->id);
3601 			if (os_snprintf_error(sizeof(str), res))
3602 				str[sizeof(str) - 1] = '\0';
3603 			ssid = ssid->next;
3604 			wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
3605 		} else
3606 			ssid = ssid->next;
3607 	}
3608 
3609 	return 0;
3610 }
3611 
3612 
wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant * wpa_s,char * cmd)3613 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
3614 						 char *cmd)
3615 {
3616 	int id;
3617 	struct wpa_cred *cred, *prev;
3618 
3619 	/* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
3620 	 * "provisioning_sp=<FQDN> */
3621 	if (os_strcmp(cmd, "all") == 0) {
3622 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
3623 		cred = wpa_s->conf->cred;
3624 		while (cred) {
3625 			prev = cred;
3626 			cred = cred->next;
3627 			wpas_ctrl_remove_cred(wpa_s, prev);
3628 		}
3629 		return 0;
3630 	}
3631 
3632 	if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
3633 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
3634 			   cmd + 8);
3635 		cred = wpa_s->conf->cred;
3636 		while (cred) {
3637 			prev = cred;
3638 			cred = cred->next;
3639 			if (prev->domain) {
3640 				size_t i;
3641 				for (i = 0; i < prev->num_domain; i++) {
3642 					if (os_strcmp(prev->domain[i], cmd + 8)
3643 					    != 0)
3644 						continue;
3645 					wpas_ctrl_remove_cred(wpa_s, prev);
3646 					break;
3647 				}
3648 			}
3649 		}
3650 		return 0;
3651 	}
3652 
3653 	if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
3654 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
3655 			   cmd + 16);
3656 		cred = wpa_s->conf->cred;
3657 		while (cred) {
3658 			prev = cred;
3659 			cred = cred->next;
3660 			if (prev->provisioning_sp &&
3661 			    os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
3662 				wpas_ctrl_remove_cred(wpa_s, prev);
3663 		}
3664 		return 0;
3665 	}
3666 
3667 	id = atoi(cmd);
3668 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
3669 
3670 	cred = wpa_config_get_cred(wpa_s->conf, id);
3671 	return wpas_ctrl_remove_cred(wpa_s, cred);
3672 }
3673 
3674 
wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant * wpa_s,char * cmd)3675 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
3676 					      char *cmd)
3677 {
3678 	int id;
3679 	struct wpa_cred *cred;
3680 	char *name, *value;
3681 
3682 	/* cmd: "<cred id> <variable name> <value>" */
3683 	name = os_strchr(cmd, ' ');
3684 	if (name == NULL)
3685 		return -1;
3686 	*name++ = '\0';
3687 
3688 	value = os_strchr(name, ' ');
3689 	if (value == NULL)
3690 		return -1;
3691 	*value++ = '\0';
3692 
3693 	id = atoi(cmd);
3694 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
3695 		   id, name);
3696 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
3697 			      (u8 *) value, os_strlen(value));
3698 
3699 	cred = wpa_config_get_cred(wpa_s->conf, id);
3700 	if (cred == NULL) {
3701 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3702 			   id);
3703 		return -1;
3704 	}
3705 
3706 	if (wpa_config_set_cred(cred, name, value, 0) < 0) {
3707 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
3708 			   "variable '%s'", name);
3709 		return -1;
3710 	}
3711 
3712 	wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
3713 
3714 	return 0;
3715 }
3716 
3717 
wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)3718 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
3719 					      char *cmd, char *buf,
3720 					      size_t buflen)
3721 {
3722 	int id;
3723 	size_t res;
3724 	struct wpa_cred *cred;
3725 	char *name, *value;
3726 
3727 	/* cmd: "<cred id> <variable name>" */
3728 	name = os_strchr(cmd, ' ');
3729 	if (name == NULL)
3730 		return -1;
3731 	*name++ = '\0';
3732 
3733 	id = atoi(cmd);
3734 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
3735 		   id, name);
3736 
3737 	cred = wpa_config_get_cred(wpa_s->conf, id);
3738 	if (cred == NULL) {
3739 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
3740 			   id);
3741 		return -1;
3742 	}
3743 
3744 	value = wpa_config_get_cred_no_key(cred, name);
3745 	if (value == NULL) {
3746 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
3747 			   name);
3748 		return -1;
3749 	}
3750 
3751 	res = os_strlcpy(buf, value, buflen);
3752 	if (res >= buflen) {
3753 		os_free(value);
3754 		return -1;
3755 	}
3756 
3757 	os_free(value);
3758 
3759 	return res;
3760 }
3761 
3762 
3763 #ifndef CONFIG_NO_CONFIG_WRITE
wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant * wpa_s)3764 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
3765 {
3766 	int ret;
3767 
3768 	if (!wpa_s->conf->update_config) {
3769 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
3770 			   "to update configuration (update_config=0)");
3771 		return -1;
3772 	}
3773 
3774 	ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
3775 	if (ret) {
3776 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
3777 			   "update configuration");
3778 	} else {
3779 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
3780 			   " updated");
3781 	}
3782 
3783 	return ret;
3784 }
3785 #endif /* CONFIG_NO_CONFIG_WRITE */
3786 
3787 
3788 struct cipher_info {
3789 	unsigned int capa;
3790 	const char *name;
3791 	int group_only;
3792 };
3793 
3794 static const struct cipher_info ciphers[] = {
3795 	{ WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
3796 	{ WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
3797 	{ WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
3798 	{ WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
3799 	{ WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
3800 	{ WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
3801 	{ WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
3802 	{ WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
3803 };
3804 
3805 static const struct cipher_info ciphers_group_mgmt[] = {
3806 	{ WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
3807 	{ WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
3808 	{ WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
3809 	{ WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
3810 };
3811 
3812 
ctrl_iface_get_capability_pairwise(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3813 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
3814 					      struct wpa_driver_capa *capa,
3815 					      char *buf, size_t buflen)
3816 {
3817 	int ret;
3818 	char *pos, *end;
3819 	size_t len;
3820 	unsigned int i;
3821 
3822 	pos = buf;
3823 	end = pos + buflen;
3824 
3825 	if (res < 0) {
3826 		if (strict)
3827 			return 0;
3828 		len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
3829 		if (len >= buflen)
3830 			return -1;
3831 		return len;
3832 	}
3833 
3834 	for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3835 		if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
3836 			ret = os_snprintf(pos, end - pos, "%s%s",
3837 					  pos == buf ? "" : " ",
3838 					  ciphers[i].name);
3839 			if (os_snprintf_error(end - pos, ret))
3840 				return pos - buf;
3841 			pos += ret;
3842 		}
3843 	}
3844 
3845 	return pos - buf;
3846 }
3847 
3848 
ctrl_iface_get_capability_group(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3849 static int ctrl_iface_get_capability_group(int res, char *strict,
3850 					   struct wpa_driver_capa *capa,
3851 					   char *buf, size_t buflen)
3852 {
3853 	int ret;
3854 	char *pos, *end;
3855 	size_t len;
3856 	unsigned int i;
3857 
3858 	pos = buf;
3859 	end = pos + buflen;
3860 
3861 	if (res < 0) {
3862 		if (strict)
3863 			return 0;
3864 		len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
3865 		if (len >= buflen)
3866 			return -1;
3867 		return len;
3868 	}
3869 
3870 	for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
3871 		if (capa->enc & ciphers[i].capa) {
3872 			ret = os_snprintf(pos, end - pos, "%s%s",
3873 					  pos == buf ? "" : " ",
3874 					  ciphers[i].name);
3875 			if (os_snprintf_error(end - pos, ret))
3876 				return pos - buf;
3877 			pos += ret;
3878 		}
3879 	}
3880 
3881 	return pos - buf;
3882 }
3883 
3884 
ctrl_iface_get_capability_group_mgmt(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3885 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
3886 						struct wpa_driver_capa *capa,
3887 						char *buf, size_t buflen)
3888 {
3889 	int ret;
3890 	char *pos, *end;
3891 	unsigned int i;
3892 
3893 	pos = buf;
3894 	end = pos + buflen;
3895 
3896 	if (res < 0)
3897 		return 0;
3898 
3899 	for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
3900 		if (capa->enc & ciphers_group_mgmt[i].capa) {
3901 			ret = os_snprintf(pos, end - pos, "%s%s",
3902 					  pos == buf ? "" : " ",
3903 					  ciphers_group_mgmt[i].name);
3904 			if (os_snprintf_error(end - pos, ret))
3905 				return pos - buf;
3906 			pos += ret;
3907 		}
3908 	}
3909 
3910 	return pos - buf;
3911 }
3912 
3913 
ctrl_iface_get_capability_key_mgmt(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)3914 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
3915 					      struct wpa_driver_capa *capa,
3916 					      char *buf, size_t buflen)
3917 {
3918 	int ret;
3919 	char *pos, *end;
3920 	size_t len;
3921 
3922 	pos = buf;
3923 	end = pos + buflen;
3924 
3925 	if (res < 0) {
3926 		if (strict)
3927 			return 0;
3928 		len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
3929 				 "NONE", buflen);
3930 		if (len >= buflen)
3931 			return -1;
3932 		return len;
3933 	}
3934 
3935 	ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
3936 	if (os_snprintf_error(end - pos, ret))
3937 		return pos - buf;
3938 	pos += ret;
3939 
3940 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
3941 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
3942 		ret = os_snprintf(pos, end - pos, " WPA-EAP");
3943 		if (os_snprintf_error(end - pos, ret))
3944 			return pos - buf;
3945 		pos += ret;
3946 	}
3947 
3948 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
3949 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
3950 		ret = os_snprintf(pos, end - pos, " WPA-PSK");
3951 		if (os_snprintf_error(end - pos, ret))
3952 			return pos - buf;
3953 		pos += ret;
3954 	}
3955 
3956 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
3957 		ret = os_snprintf(pos, end - pos, " WPA-NONE");
3958 		if (os_snprintf_error(end - pos, ret))
3959 			return pos - buf;
3960 		pos += ret;
3961 	}
3962 
3963 #ifdef CONFIG_SUITEB
3964 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
3965 		ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
3966 		if (os_snprintf_error(end - pos, ret))
3967 			return pos - buf;
3968 		pos += ret;
3969 	}
3970 #endif /* CONFIG_SUITEB */
3971 #ifdef CONFIG_SUITEB192
3972 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
3973 		ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
3974 		if (os_snprintf_error(end - pos, ret))
3975 			return pos - buf;
3976 		pos += ret;
3977 	}
3978 #endif /* CONFIG_SUITEB192 */
3979 #ifdef CONFIG_OWE
3980 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_OWE) {
3981 		ret = os_snprintf(pos, end - pos, " OWE");
3982 		if (os_snprintf_error(end - pos, ret))
3983 			return pos - buf;
3984 		pos += ret;
3985 	}
3986 #endif /* CONFIG_OWE */
3987 #ifdef CONFIG_DPP
3988 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_DPP) {
3989 		ret = os_snprintf(pos, end - pos, " DPP");
3990 		if (os_snprintf_error(end - pos, ret))
3991 			return pos - buf;
3992 		pos += ret;
3993 	}
3994 #endif /* CONFIG_DPP */
3995 #ifdef CONFIG_FILS
3996 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA256) {
3997 		ret = os_snprintf(pos, end - pos, " FILS-SHA256");
3998 		if (os_snprintf_error(end - pos, ret))
3999 			return pos - buf;
4000 		pos += ret;
4001 	}
4002 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FILS_SHA384) {
4003 		ret = os_snprintf(pos, end - pos, " FILS-SHA384");
4004 		if (os_snprintf_error(end - pos, ret))
4005 			return pos - buf;
4006 		pos += ret;
4007 	}
4008 #ifdef CONFIG_IEEE80211R
4009 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA256) {
4010 		ret = os_snprintf(pos, end - pos, " FT-FILS-SHA256");
4011 		if (os_snprintf_error(end - pos, ret))
4012 			return pos - buf;
4013 		pos += ret;
4014 	}
4015 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_FILS_SHA384) {
4016 		ret = os_snprintf(pos, end - pos, " FT-FILS-SHA384");
4017 		if (os_snprintf_error(end - pos, ret))
4018 			return pos - buf;
4019 		pos += ret;
4020 	}
4021 #endif /* CONFIG_IEEE80211R */
4022 #endif /* CONFIG_FILS */
4023 #ifdef CONFIG_IEEE80211R
4024 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK) {
4025 		ret = os_snprintf(pos, end - pos, " FT-PSK");
4026 		if (os_snprintf_error(end - pos, ret))
4027 			return pos - buf;
4028 		pos += ret;
4029 	}
4030 #endif /* CONFIG_IEEE80211R */
4031 #ifdef CONFIG_SAE
4032 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SAE) {
4033 		ret = os_snprintf(pos, end - pos, " SAE");
4034 		if (os_snprintf_error(end - pos, ret))
4035 			return pos - buf;
4036 		pos += ret;
4037 	}
4038 #endif /* CONFIG_SAE */
4039 
4040 	return pos - buf;
4041 }
4042 
4043 
ctrl_iface_get_capability_proto(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)4044 static int ctrl_iface_get_capability_proto(int res, char *strict,
4045 					   struct wpa_driver_capa *capa,
4046 					   char *buf, size_t buflen)
4047 {
4048 	int ret;
4049 	char *pos, *end;
4050 	size_t len;
4051 
4052 	pos = buf;
4053 	end = pos + buflen;
4054 
4055 	if (res < 0) {
4056 		if (strict)
4057 			return 0;
4058 		len = os_strlcpy(buf, "RSN WPA", buflen);
4059 		if (len >= buflen)
4060 			return -1;
4061 		return len;
4062 	}
4063 
4064 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
4065 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
4066 		ret = os_snprintf(pos, end - pos, "%sRSN",
4067 				  pos == buf ? "" : " ");
4068 		if (os_snprintf_error(end - pos, ret))
4069 			return pos - buf;
4070 		pos += ret;
4071 	}
4072 
4073 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
4074 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
4075 		ret = os_snprintf(pos, end - pos, "%sWPA",
4076 				  pos == buf ? "" : " ");
4077 		if (os_snprintf_error(end - pos, ret))
4078 			return pos - buf;
4079 		pos += ret;
4080 	}
4081 
4082 	return pos - buf;
4083 }
4084 
4085 
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)4086 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
4087 					      int res, char *strict,
4088 					      struct wpa_driver_capa *capa,
4089 					      char *buf, size_t buflen)
4090 {
4091 	int ret;
4092 	char *pos, *end;
4093 	size_t len;
4094 
4095 	pos = buf;
4096 	end = pos + buflen;
4097 
4098 	if (res < 0) {
4099 		if (strict)
4100 			return 0;
4101 		len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
4102 		if (len >= buflen)
4103 			return -1;
4104 		return len;
4105 	}
4106 
4107 	if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
4108 		ret = os_snprintf(pos, end - pos, "%sOPEN",
4109 				  pos == buf ? "" : " ");
4110 		if (os_snprintf_error(end - pos, ret))
4111 			return pos - buf;
4112 		pos += ret;
4113 	}
4114 
4115 	if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
4116 		ret = os_snprintf(pos, end - pos, "%sSHARED",
4117 				  pos == buf ? "" : " ");
4118 		if (os_snprintf_error(end - pos, ret))
4119 			return pos - buf;
4120 		pos += ret;
4121 	}
4122 
4123 	if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
4124 		ret = os_snprintf(pos, end - pos, "%sLEAP",
4125 				  pos == buf ? "" : " ");
4126 		if (os_snprintf_error(end - pos, ret))
4127 			return pos - buf;
4128 		pos += ret;
4129 	}
4130 
4131 #ifdef CONFIG_SAE
4132 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
4133 		ret = os_snprintf(pos, end - pos, "%sSAE",
4134 				  pos == buf ? "" : " ");
4135 		if (os_snprintf_error(end - pos, ret))
4136 			return pos - buf;
4137 		pos += ret;
4138 	}
4139 #endif /* CONFIG_SAE */
4140 
4141 #ifdef CONFIG_FILS
4142 	if (wpa_is_fils_supported(wpa_s)) {
4143 		ret = os_snprintf(pos, end - pos, "%sFILS_SK_WITHOUT_PFS",
4144 				  pos == buf ? "" : " ");
4145 		if (os_snprintf_error(end - pos, ret))
4146 			return pos - buf;
4147 		pos += ret;
4148 	}
4149 
4150 #ifdef CONFIG_FILS_SK_PFS
4151 	if (wpa_is_fils_sk_pfs_supported(wpa_s)) {
4152 		ret = os_snprintf(pos, end - pos, "%sFILS_SK_WITH_PFS",
4153 				  pos == buf ? "" : " ");
4154 		if (os_snprintf_error(end - pos, ret))
4155 			return pos - buf;
4156 		pos += ret;
4157 	}
4158 #endif /* CONFIG_FILS_SK_PFS */
4159 #endif /* CONFIG_FILS */
4160 
4161 	return pos - buf;
4162 }
4163 
4164 
ctrl_iface_get_capability_modes(int res,char * strict,struct wpa_driver_capa * capa,char * buf,size_t buflen)4165 static int ctrl_iface_get_capability_modes(int res, char *strict,
4166 					   struct wpa_driver_capa *capa,
4167 					   char *buf, size_t buflen)
4168 {
4169 	int ret;
4170 	char *pos, *end;
4171 	size_t len;
4172 
4173 	pos = buf;
4174 	end = pos + buflen;
4175 
4176 	if (res < 0) {
4177 		if (strict)
4178 			return 0;
4179 		len = os_strlcpy(buf, "IBSS AP", buflen);
4180 		if (len >= buflen)
4181 			return -1;
4182 		return len;
4183 	}
4184 
4185 	if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
4186 		ret = os_snprintf(pos, end - pos, "%sIBSS",
4187 				  pos == buf ? "" : " ");
4188 		if (os_snprintf_error(end - pos, ret))
4189 			return pos - buf;
4190 		pos += ret;
4191 	}
4192 
4193 	if (capa->flags & WPA_DRIVER_FLAGS_AP) {
4194 		ret = os_snprintf(pos, end - pos, "%sAP",
4195 				  pos == buf ? "" : " ");
4196 		if (os_snprintf_error(end - pos, ret))
4197 			return pos - buf;
4198 		pos += ret;
4199 	}
4200 
4201 #ifdef CONFIG_MESH
4202 	if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
4203 		ret = os_snprintf(pos, end - pos, "%sMESH",
4204 				  pos == buf ? "" : " ");
4205 		if (os_snprintf_error(end - pos, ret))
4206 			return pos - buf;
4207 		pos += ret;
4208 	}
4209 #endif /* CONFIG_MESH */
4210 
4211 	return pos - buf;
4212 }
4213 
4214 
ctrl_iface_get_capability_channels(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)4215 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
4216 					      char *buf, size_t buflen)
4217 {
4218 	struct hostapd_channel_data *chnl;
4219 	int ret, i, j;
4220 	char *pos, *end, *hmode;
4221 
4222 	pos = buf;
4223 	end = pos + buflen;
4224 
4225 	for (j = 0; j < wpa_s->hw.num_modes; j++) {
4226 		switch (wpa_s->hw.modes[j].mode) {
4227 		case HOSTAPD_MODE_IEEE80211B:
4228 			hmode = "B";
4229 			break;
4230 		case HOSTAPD_MODE_IEEE80211G:
4231 			hmode = "G";
4232 			break;
4233 		case HOSTAPD_MODE_IEEE80211A:
4234 			hmode = "A";
4235 			break;
4236 		case HOSTAPD_MODE_IEEE80211AD:
4237 			hmode = "AD";
4238 			break;
4239 		default:
4240 			continue;
4241 		}
4242 		ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
4243 		if (os_snprintf_error(end - pos, ret))
4244 			return pos - buf;
4245 		pos += ret;
4246 		chnl = wpa_s->hw.modes[j].channels;
4247 		for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
4248 			if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
4249 				continue;
4250 			ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
4251 			if (os_snprintf_error(end - pos, ret))
4252 				return pos - buf;
4253 			pos += ret;
4254 		}
4255 		ret = os_snprintf(pos, end - pos, "\n");
4256 		if (os_snprintf_error(end - pos, ret))
4257 			return pos - buf;
4258 		pos += ret;
4259 	}
4260 
4261 	return pos - buf;
4262 }
4263 
4264 
ctrl_iface_get_capability_freq(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)4265 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
4266 					  char *buf, size_t buflen)
4267 {
4268 	struct hostapd_channel_data *chnl;
4269 	int ret, i, j;
4270 	char *pos, *end, *hmode;
4271 
4272 	pos = buf;
4273 	end = pos + buflen;
4274 
4275 	for (j = 0; j < wpa_s->hw.num_modes; j++) {
4276 		switch (wpa_s->hw.modes[j].mode) {
4277 		case HOSTAPD_MODE_IEEE80211B:
4278 			hmode = "B";
4279 			break;
4280 		case HOSTAPD_MODE_IEEE80211G:
4281 			hmode = "G";
4282 			break;
4283 		case HOSTAPD_MODE_IEEE80211A:
4284 			hmode = "A";
4285 			break;
4286 		case HOSTAPD_MODE_IEEE80211AD:
4287 			hmode = "AD";
4288 			break;
4289 		default:
4290 			continue;
4291 		}
4292 		ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
4293 				  hmode);
4294 		if (os_snprintf_error(end - pos, ret))
4295 			return pos - buf;
4296 		pos += ret;
4297 		chnl = wpa_s->hw.modes[j].channels;
4298 		for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
4299 			if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
4300 				continue;
4301 			ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
4302 					  chnl[i].chan, chnl[i].freq,
4303 					  chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
4304 					  " (NO_IR)" : "",
4305 					  chnl[i].flag & HOSTAPD_CHAN_RADAR ?
4306 					  " (DFS)" : "");
4307 
4308 			if (os_snprintf_error(end - pos, ret))
4309 				return pos - buf;
4310 			pos += ret;
4311 		}
4312 		ret = os_snprintf(pos, end - pos, "\n");
4313 		if (os_snprintf_error(end - pos, ret))
4314 			return pos - buf;
4315 		pos += ret;
4316 	}
4317 
4318 	return pos - buf;
4319 }
4320 
4321 
wpa_supplicant_ctrl_iface_get_capability(struct wpa_supplicant * wpa_s,const char * _field,char * buf,size_t buflen)4322 static int wpa_supplicant_ctrl_iface_get_capability(
4323 	struct wpa_supplicant *wpa_s, const char *_field, char *buf,
4324 	size_t buflen)
4325 {
4326 	struct wpa_driver_capa capa;
4327 	int res;
4328 	char *strict;
4329 	char field[30];
4330 	size_t len;
4331 
4332 	/* Determine whether or not strict checking was requested */
4333 	len = os_strlcpy(field, _field, sizeof(field));
4334 	if (len >= sizeof(field))
4335 		return -1;
4336 	strict = os_strchr(field, ' ');
4337 	if (strict != NULL) {
4338 		*strict++ = '\0';
4339 		if (os_strcmp(strict, "strict") != 0)
4340 			return -1;
4341 	}
4342 
4343 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
4344 		field, strict ? strict : "");
4345 
4346 	if (os_strcmp(field, "eap") == 0) {
4347 		return eap_get_names(buf, buflen);
4348 	}
4349 
4350 	res = wpa_drv_get_capa(wpa_s, &capa);
4351 
4352 	if (os_strcmp(field, "pairwise") == 0)
4353 		return ctrl_iface_get_capability_pairwise(res, strict, &capa,
4354 							  buf, buflen);
4355 
4356 	if (os_strcmp(field, "group") == 0)
4357 		return ctrl_iface_get_capability_group(res, strict, &capa,
4358 						       buf, buflen);
4359 
4360 	if (os_strcmp(field, "group_mgmt") == 0)
4361 		return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
4362 							    buf, buflen);
4363 
4364 	if (os_strcmp(field, "key_mgmt") == 0)
4365 		return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
4366 							  buf, buflen);
4367 
4368 	if (os_strcmp(field, "proto") == 0)
4369 		return ctrl_iface_get_capability_proto(res, strict, &capa,
4370 						       buf, buflen);
4371 
4372 	if (os_strcmp(field, "auth_alg") == 0)
4373 		return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
4374 							  &capa, buf, buflen);
4375 
4376 	if (os_strcmp(field, "modes") == 0)
4377 		return ctrl_iface_get_capability_modes(res, strict, &capa,
4378 						       buf, buflen);
4379 
4380 	if (os_strcmp(field, "channels") == 0)
4381 		return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
4382 
4383 	if (os_strcmp(field, "freq") == 0)
4384 		return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
4385 
4386 #ifdef CONFIG_TDLS
4387 	if (os_strcmp(field, "tdls") == 0)
4388 		return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
4389 #endif /* CONFIG_TDLS */
4390 
4391 #ifdef CONFIG_ERP
4392 	if (os_strcmp(field, "erp") == 0) {
4393 		res = os_snprintf(buf, buflen, "ERP");
4394 		if (os_snprintf_error(buflen, res))
4395 			return -1;
4396 		return res;
4397 	}
4398 #endif /* CONFIG_EPR */
4399 
4400 #ifdef CONFIG_FIPS
4401 	if (os_strcmp(field, "fips") == 0) {
4402 		res = os_snprintf(buf, buflen, "FIPS");
4403 		if (os_snprintf_error(buflen, res))
4404 			return -1;
4405 		return res;
4406 	}
4407 #endif /* CONFIG_FIPS */
4408 
4409 #ifdef CONFIG_ACS
4410 	if (os_strcmp(field, "acs") == 0) {
4411 		res = os_snprintf(buf, buflen, "ACS");
4412 		if (os_snprintf_error(buflen, res))
4413 			return -1;
4414 		return res;
4415 	}
4416 #endif /* CONFIG_ACS */
4417 
4418 #ifdef CONFIG_FILS
4419 	if (os_strcmp(field, "fils") == 0) {
4420 #ifdef CONFIG_FILS_SK_PFS
4421 		if (wpa_is_fils_supported(wpa_s) &&
4422 		    wpa_is_fils_sk_pfs_supported(wpa_s)) {
4423 			res = os_snprintf(buf, buflen, "FILS FILS-SK-PFS");
4424 			if (os_snprintf_error(buflen, res))
4425 				return -1;
4426 			return res;
4427 		}
4428 #endif /* CONFIG_FILS_SK_PFS */
4429 
4430 		if (wpa_is_fils_supported(wpa_s)) {
4431 			res = os_snprintf(buf, buflen, "FILS");
4432 			if (os_snprintf_error(buflen, res))
4433 				return -1;
4434 			return res;
4435 		}
4436 	}
4437 #endif /* CONFIG_FILS */
4438 
4439 	if (os_strcmp(field, "multibss") == 0 && wpa_s->multi_bss_support) {
4440 		res = os_snprintf(buf, buflen, "MULTIBSS-STA");
4441 		if (os_snprintf_error(buflen, res))
4442 			return -1;
4443 		return res;
4444 	}
4445 
4446 #ifdef CONFIG_DPP
4447 	if (os_strcmp(field, "dpp") == 0) {
4448 #ifdef CONFIG_DPP2
4449 		res = os_snprintf(buf, buflen, "DPP=2");
4450 #else /* CONFIG_DPP2 */
4451 		res = os_snprintf(buf, buflen, "DPP=1");
4452 #endif /* CONFIG_DPP2 */
4453 		if (os_snprintf_error(buflen, res))
4454 			return -1;
4455 		return res;
4456 	}
4457 #endif /* CONFIG_DPP */
4458 
4459 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
4460 		   field);
4461 
4462 	return -1;
4463 }
4464 
4465 
4466 #ifdef CONFIG_INTERWORKING
anqp_add_hex(char * pos,char * end,const char * title,struct wpabuf * data)4467 static char * anqp_add_hex(char *pos, char *end, const char *title,
4468 			   struct wpabuf *data)
4469 {
4470 	char *start = pos;
4471 	size_t i;
4472 	int ret;
4473 	const u8 *d;
4474 
4475 	if (data == NULL)
4476 		return start;
4477 
4478 	ret = os_snprintf(pos, end - pos, "%s=", title);
4479 	if (os_snprintf_error(end - pos, ret))
4480 		return start;
4481 	pos += ret;
4482 
4483 	d = wpabuf_head_u8(data);
4484 	for (i = 0; i < wpabuf_len(data); i++) {
4485 		ret = os_snprintf(pos, end - pos, "%02x", *d++);
4486 		if (os_snprintf_error(end - pos, ret))
4487 			return start;
4488 		pos += ret;
4489 	}
4490 
4491 	ret = os_snprintf(pos, end - pos, "\n");
4492 	if (os_snprintf_error(end - pos, ret))
4493 		return start;
4494 	pos += ret;
4495 
4496 	return pos;
4497 }
4498 #endif /* CONFIG_INTERWORKING */
4499 
4500 
4501 #ifdef CONFIG_FILS
print_fils_indication(struct wpa_bss * bss,char * pos,char * end)4502 static int print_fils_indication(struct wpa_bss *bss, char *pos, char *end)
4503 {
4504 	char *start = pos;
4505 	const u8 *ie, *ie_end;
4506 	u16 info, realms;
4507 	int ret;
4508 
4509 	ie = wpa_bss_get_ie(bss, WLAN_EID_FILS_INDICATION);
4510 	if (!ie)
4511 		return 0;
4512 	ie_end = ie + 2 + ie[1];
4513 	ie += 2;
4514 	if (ie_end - ie < 2)
4515 		return -1;
4516 
4517 	info = WPA_GET_LE16(ie);
4518 	ie += 2;
4519 	ret = os_snprintf(pos, end - pos, "fils_info=%04x\n", info);
4520 	if (os_snprintf_error(end - pos, ret))
4521 		return 0;
4522 	pos += ret;
4523 
4524 	if (info & BIT(7)) {
4525 		/* Cache Identifier Included */
4526 		if (ie_end - ie < 2)
4527 			return -1;
4528 		ret = os_snprintf(pos, end - pos, "fils_cache_id=%02x%02x\n",
4529 				  ie[0], ie[1]);
4530 		if (os_snprintf_error(end - pos, ret))
4531 			return 0;
4532 		pos += ret;
4533 		ie += 2;
4534 	}
4535 
4536 	if (info & BIT(8)) {
4537 		/* HESSID Included */
4538 		if (ie_end - ie < ETH_ALEN)
4539 			return -1;
4540 		ret = os_snprintf(pos, end - pos, "fils_hessid=" MACSTR "\n",
4541 				  MAC2STR(ie));
4542 		if (os_snprintf_error(end - pos, ret))
4543 			return 0;
4544 		pos += ret;
4545 		ie += ETH_ALEN;
4546 	}
4547 
4548 	realms = (info & (BIT(3) | BIT(4) | BIT(5))) >> 3;
4549 	if (realms) {
4550 		if (ie_end - ie < realms * 2)
4551 			return -1;
4552 		ret = os_snprintf(pos, end - pos, "fils_realms=");
4553 		if (os_snprintf_error(end - pos, ret))
4554 			return 0;
4555 		pos += ret;
4556 
4557 		ret = wpa_snprintf_hex(pos, end - pos, ie, realms * 2);
4558 		if (ret <= 0)
4559 			return 0;
4560 		pos += ret;
4561 		ie += realms * 2;
4562 		ret = os_snprintf(pos, end - pos, "\n");
4563 		if (os_snprintf_error(end - pos, ret))
4564 			return 0;
4565 		pos += ret;
4566 	}
4567 
4568 	return pos - start;
4569 }
4570 #endif /* CONFIG_FILS */
4571 
4572 
print_bss_info(struct wpa_supplicant * wpa_s,struct wpa_bss * bss,unsigned long mask,char * buf,size_t buflen)4573 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
4574 			  unsigned long mask, char *buf, size_t buflen)
4575 {
4576 	size_t i;
4577 	int ret;
4578 	char *pos, *end;
4579 	const u8 *ie, *ie2, *osen_ie, *mesh, *owe;
4580 
4581 	pos = buf;
4582 	end = buf + buflen;
4583 
4584 	if (mask & WPA_BSS_MASK_ID) {
4585 		ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
4586 		if (os_snprintf_error(end - pos, ret))
4587 			return 0;
4588 		pos += ret;
4589 	}
4590 
4591 	if (mask & WPA_BSS_MASK_BSSID) {
4592 		ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
4593 				  MAC2STR(bss->bssid));
4594 		if (os_snprintf_error(end - pos, ret))
4595 			return 0;
4596 		pos += ret;
4597 	}
4598 
4599 	if (mask & WPA_BSS_MASK_FREQ) {
4600 		ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
4601 		if (os_snprintf_error(end - pos, ret))
4602 			return 0;
4603 		pos += ret;
4604 	}
4605 
4606 	if (mask & WPA_BSS_MASK_BEACON_INT) {
4607 		ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
4608 				  bss->beacon_int);
4609 		if (os_snprintf_error(end - pos, ret))
4610 			return 0;
4611 		pos += ret;
4612 	}
4613 
4614 	if (mask & WPA_BSS_MASK_CAPABILITIES) {
4615 		ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
4616 				  bss->caps);
4617 		if (os_snprintf_error(end - pos, ret))
4618 			return 0;
4619 		pos += ret;
4620 	}
4621 
4622 	if (mask & WPA_BSS_MASK_QUAL) {
4623 		ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
4624 		if (os_snprintf_error(end - pos, ret))
4625 			return 0;
4626 		pos += ret;
4627 	}
4628 
4629 	if (mask & WPA_BSS_MASK_NOISE) {
4630 		ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
4631 		if (os_snprintf_error(end - pos, ret))
4632 			return 0;
4633 		pos += ret;
4634 	}
4635 
4636 	if (mask & WPA_BSS_MASK_LEVEL) {
4637 		ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
4638 		if (os_snprintf_error(end - pos, ret))
4639 			return 0;
4640 		pos += ret;
4641 	}
4642 
4643 	if (mask & WPA_BSS_MASK_TSF) {
4644 		ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
4645 				  (unsigned long long) bss->tsf);
4646 		if (os_snprintf_error(end - pos, ret))
4647 			return 0;
4648 		pos += ret;
4649 	}
4650 
4651 	if (mask & WPA_BSS_MASK_AGE) {
4652 		struct os_reltime now;
4653 
4654 		os_get_reltime(&now);
4655 		ret = os_snprintf(pos, end - pos, "age=%d\n",
4656 				  (int) (now.sec - bss->last_update.sec));
4657 		if (os_snprintf_error(end - pos, ret))
4658 			return 0;
4659 		pos += ret;
4660 	}
4661 
4662 	if (mask & WPA_BSS_MASK_IE) {
4663 		ret = os_snprintf(pos, end - pos, "ie=");
4664 		if (os_snprintf_error(end - pos, ret))
4665 			return 0;
4666 		pos += ret;
4667 
4668 		ie = (const u8 *) (bss + 1);
4669 		for (i = 0; i < bss->ie_len; i++) {
4670 			ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4671 			if (os_snprintf_error(end - pos, ret))
4672 				return 0;
4673 			pos += ret;
4674 		}
4675 
4676 		ret = os_snprintf(pos, end - pos, "\n");
4677 		if (os_snprintf_error(end - pos, ret))
4678 			return 0;
4679 		pos += ret;
4680 	}
4681 
4682 	if (mask & WPA_BSS_MASK_FLAGS) {
4683 		ret = os_snprintf(pos, end - pos, "flags=");
4684 		if (os_snprintf_error(end - pos, ret))
4685 			return 0;
4686 		pos += ret;
4687 
4688 		mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
4689 
4690 		ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
4691 		if (ie)
4692 			pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
4693 						    2 + ie[1]);
4694 		ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
4695 		if (ie2)
4696 			pos = wpa_supplicant_ie_txt(pos, end,
4697 						    mesh ? "RSN" : "WPA2", ie2,
4698 						    2 + ie2[1]);
4699 		osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
4700 		if (osen_ie)
4701 			pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
4702 						    osen_ie, 2 + osen_ie[1]);
4703 		owe = wpa_bss_get_vendor_ie(bss, OWE_IE_VENDOR_TYPE);
4704 		if (owe) {
4705 			ret = os_snprintf(
4706 				pos, end - pos,
4707 				ie2 ? "[OWE-TRANS]" : "[OWE-TRANS-OPEN]");
4708 			if (os_snprintf_error(end - pos, ret))
4709 				return 0;
4710 			pos += ret;
4711 		}
4712 		pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
4713 		if (!ie && !ie2 && !osen_ie &&
4714 		    (bss->caps & IEEE80211_CAP_PRIVACY)) {
4715 			ret = os_snprintf(pos, end - pos, "[WEP]");
4716 			if (os_snprintf_error(end - pos, ret))
4717 				return 0;
4718 			pos += ret;
4719 		}
4720 
4721 		if (mesh) {
4722 			ret = os_snprintf(pos, end - pos, "[MESH]");
4723 			if (os_snprintf_error(end - pos, ret))
4724 				return 0;
4725 			pos += ret;
4726 		}
4727 
4728 		if (bss_is_dmg(bss)) {
4729 			const char *s;
4730 			ret = os_snprintf(pos, end - pos, "[DMG]");
4731 			if (os_snprintf_error(end - pos, ret))
4732 				return 0;
4733 			pos += ret;
4734 			switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
4735 			case IEEE80211_CAP_DMG_IBSS:
4736 				s = "[IBSS]";
4737 				break;
4738 			case IEEE80211_CAP_DMG_AP:
4739 				s = "[ESS]";
4740 				break;
4741 			case IEEE80211_CAP_DMG_PBSS:
4742 				s = "[PBSS]";
4743 				break;
4744 			default:
4745 				s = "";
4746 				break;
4747 			}
4748 			ret = os_snprintf(pos, end - pos, "%s", s);
4749 			if (os_snprintf_error(end - pos, ret))
4750 				return 0;
4751 			pos += ret;
4752 		} else {
4753 			if (bss->caps & IEEE80211_CAP_IBSS) {
4754 				ret = os_snprintf(pos, end - pos, "[IBSS]");
4755 				if (os_snprintf_error(end - pos, ret))
4756 					return 0;
4757 				pos += ret;
4758 			}
4759 			if (bss->caps & IEEE80211_CAP_ESS) {
4760 				ret = os_snprintf(pos, end - pos, "[ESS]");
4761 				if (os_snprintf_error(end - pos, ret))
4762 					return 0;
4763 				pos += ret;
4764 			}
4765 		}
4766 		if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
4767 		    wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
4768 			ret = os_snprintf(pos, end - pos, "[P2P]");
4769 			if (os_snprintf_error(end - pos, ret))
4770 				return 0;
4771 			pos += ret;
4772 		}
4773 #ifdef CONFIG_HS20
4774 		if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
4775 			ret = os_snprintf(pos, end - pos, "[HS20]");
4776 			if (os_snprintf_error(end - pos, ret))
4777 				return 0;
4778 			pos += ret;
4779 		}
4780 #endif /* CONFIG_HS20 */
4781 #ifdef CONFIG_FILS
4782 		if (wpa_bss_get_ie(bss, WLAN_EID_FILS_INDICATION)) {
4783 			ret = os_snprintf(pos, end - pos, "[FILS]");
4784 			if (os_snprintf_error(end - pos, ret))
4785 				return 0;
4786 			pos += ret;
4787 		}
4788 #endif /* CONFIG_FILS */
4789 #ifdef CONFIG_FST
4790 		if (wpa_bss_get_ie(bss, WLAN_EID_MULTI_BAND)) {
4791 			ret = os_snprintf(pos, end - pos, "[FST]");
4792 			if (os_snprintf_error(end - pos, ret))
4793 				return 0;
4794 			pos += ret;
4795 		}
4796 #endif /* CONFIG_FST */
4797 		if (wpa_bss_ext_capab(bss, WLAN_EXT_CAPAB_UTF_8_SSID)) {
4798 			ret = os_snprintf(pos, end - pos, "[UTF-8]");
4799 			if (os_snprintf_error(end - pos, ret))
4800 				return 0;
4801 			pos += ret;
4802 		}
4803 
4804 		ret = os_snprintf(pos, end - pos, "\n");
4805 		if (os_snprintf_error(end - pos, ret))
4806 			return 0;
4807 		pos += ret;
4808 	}
4809 
4810 	if (mask & WPA_BSS_MASK_SSID) {
4811 		ret = os_snprintf(pos, end - pos, "ssid=%s\n",
4812 				  wpa_ssid_txt(bss->ssid, bss->ssid_len));
4813 		if (os_snprintf_error(end - pos, ret))
4814 			return 0;
4815 		pos += ret;
4816 	}
4817 
4818 #ifdef CONFIG_WPS
4819 	if (mask & WPA_BSS_MASK_WPS_SCAN) {
4820 		ie = (const u8 *) (bss + 1);
4821 		ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
4822 		if (ret >= end - pos)
4823 			return 0;
4824 		if (ret > 0)
4825 			pos += ret;
4826 	}
4827 #endif /* CONFIG_WPS */
4828 
4829 #ifdef CONFIG_P2P
4830 	if (mask & WPA_BSS_MASK_P2P_SCAN) {
4831 		ie = (const u8 *) (bss + 1);
4832 		ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
4833 		if (ret >= end - pos)
4834 			return 0;
4835 		if (ret > 0)
4836 			pos += ret;
4837 	}
4838 #endif /* CONFIG_P2P */
4839 
4840 #ifdef CONFIG_WIFI_DISPLAY
4841 	if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
4842 		struct wpabuf *wfd;
4843 		ie = (const u8 *) (bss + 1);
4844 		wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
4845 						  WFD_IE_VENDOR_TYPE);
4846 		if (wfd) {
4847 			ret = os_snprintf(pos, end - pos, "wfd_subelems=");
4848 			if (os_snprintf_error(end - pos, ret)) {
4849 				wpabuf_free(wfd);
4850 				return 0;
4851 			}
4852 			pos += ret;
4853 
4854 			pos += wpa_snprintf_hex(pos, end - pos,
4855 						wpabuf_head(wfd),
4856 						wpabuf_len(wfd));
4857 			wpabuf_free(wfd);
4858 
4859 			ret = os_snprintf(pos, end - pos, "\n");
4860 			if (os_snprintf_error(end - pos, ret))
4861 				return 0;
4862 			pos += ret;
4863 		}
4864 	}
4865 #endif /* CONFIG_WIFI_DISPLAY */
4866 
4867 #ifdef CONFIG_INTERWORKING
4868 	if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
4869 		struct wpa_bss_anqp *anqp = bss->anqp;
4870 		struct wpa_bss_anqp_elem *elem;
4871 
4872 		pos = anqp_add_hex(pos, end, "anqp_capability_list",
4873 				   anqp->capability_list);
4874 		pos = anqp_add_hex(pos, end, "anqp_venue_name",
4875 				   anqp->venue_name);
4876 		pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
4877 				   anqp->network_auth_type);
4878 		pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
4879 				   anqp->roaming_consortium);
4880 		pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
4881 				   anqp->ip_addr_type_availability);
4882 		pos = anqp_add_hex(pos, end, "anqp_nai_realm",
4883 				   anqp->nai_realm);
4884 		pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
4885 		pos = anqp_add_hex(pos, end, "anqp_domain_name",
4886 				   anqp->domain_name);
4887 		pos = anqp_add_hex(pos, end, "anqp_fils_realm_info",
4888 				   anqp->fils_realm_info);
4889 #ifdef CONFIG_HS20
4890 		pos = anqp_add_hex(pos, end, "hs20_capability_list",
4891 				   anqp->hs20_capability_list);
4892 		pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
4893 				   anqp->hs20_operator_friendly_name);
4894 		pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
4895 				   anqp->hs20_wan_metrics);
4896 		pos = anqp_add_hex(pos, end, "hs20_connection_capability",
4897 				   anqp->hs20_connection_capability);
4898 		pos = anqp_add_hex(pos, end, "hs20_operating_class",
4899 				   anqp->hs20_operating_class);
4900 		pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
4901 				   anqp->hs20_osu_providers_list);
4902 		pos = anqp_add_hex(pos, end, "hs20_operator_icon_metadata",
4903 				   anqp->hs20_operator_icon_metadata);
4904 		pos = anqp_add_hex(pos, end, "hs20_osu_providers_nai_list",
4905 				   anqp->hs20_osu_providers_nai_list);
4906 #endif /* CONFIG_HS20 */
4907 
4908 		dl_list_for_each(elem, &anqp->anqp_elems,
4909 				 struct wpa_bss_anqp_elem, list) {
4910 			char title[20];
4911 
4912 			os_snprintf(title, sizeof(title), "anqp[%u]",
4913 				    elem->infoid);
4914 			pos = anqp_add_hex(pos, end, title, elem->payload);
4915 		}
4916 	}
4917 #endif /* CONFIG_INTERWORKING */
4918 
4919 #ifdef CONFIG_MESH
4920 	if (mask & WPA_BSS_MASK_MESH_SCAN) {
4921 		ie = (const u8 *) (bss + 1);
4922 		ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
4923 		if (ret >= end - pos)
4924 			return 0;
4925 		if (ret > 0)
4926 			pos += ret;
4927 	}
4928 #endif /* CONFIG_MESH */
4929 
4930 	if (mask & WPA_BSS_MASK_SNR) {
4931 		ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
4932 		if (os_snprintf_error(end - pos, ret))
4933 			return 0;
4934 		pos += ret;
4935 	}
4936 
4937 	if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
4938 		ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
4939 				  bss->est_throughput);
4940 		if (os_snprintf_error(end - pos, ret))
4941 			return 0;
4942 		pos += ret;
4943 	}
4944 
4945 #ifdef CONFIG_FST
4946 	if (mask & WPA_BSS_MASK_FST) {
4947 		ret = fst_ctrl_iface_mb_info(bss->bssid, pos, end - pos);
4948 		if (ret < 0 || ret >= end - pos)
4949 			return 0;
4950 		pos += ret;
4951 	}
4952 #endif /* CONFIG_FST */
4953 
4954 	if (mask & WPA_BSS_MASK_UPDATE_IDX) {
4955 		ret = os_snprintf(pos, end - pos, "update_idx=%u\n",
4956 				  bss->last_update_idx);
4957 		if (os_snprintf_error(end - pos, ret))
4958 			return 0;
4959 		pos += ret;
4960 	}
4961 
4962 	if ((mask & WPA_BSS_MASK_BEACON_IE) && bss->beacon_ie_len) {
4963 		ret = os_snprintf(pos, end - pos, "beacon_ie=");
4964 		if (os_snprintf_error(end - pos, ret))
4965 			return 0;
4966 		pos += ret;
4967 
4968 		ie = (const u8 *) (bss + 1);
4969 		ie += bss->ie_len;
4970 		for (i = 0; i < bss->beacon_ie_len; i++) {
4971 			ret = os_snprintf(pos, end - pos, "%02x", *ie++);
4972 			if (os_snprintf_error(end - pos, ret))
4973 				return 0;
4974 			pos += ret;
4975 		}
4976 
4977 		ret = os_snprintf(pos, end - pos, "\n");
4978 		if (os_snprintf_error(end - pos, ret))
4979 			return 0;
4980 		pos += ret;
4981 	}
4982 
4983 #ifdef CONFIG_FILS
4984 	if (mask & WPA_BSS_MASK_FILS_INDICATION) {
4985 		ret = print_fils_indication(bss, pos, end);
4986 		if (ret < 0)
4987 			return 0;
4988 		pos += ret;
4989 	}
4990 #endif /* CONFIG_FILS */
4991 
4992 	if (mask & WPA_BSS_MASK_DELIM) {
4993 		ret = os_snprintf(pos, end - pos, "====\n");
4994 		if (os_snprintf_error(end - pos, ret))
4995 			return 0;
4996 		pos += ret;
4997 	}
4998 
4999 	return pos - buf;
5000 }
5001 
5002 
wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)5003 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
5004 					 const char *cmd, char *buf,
5005 					 size_t buflen)
5006 {
5007 	u8 bssid[ETH_ALEN];
5008 	size_t i;
5009 	struct wpa_bss *bss;
5010 	struct wpa_bss *bsslast = NULL;
5011 	struct dl_list *next;
5012 	int ret = 0;
5013 	int len;
5014 	char *ctmp, *end = buf + buflen;
5015 	unsigned long mask = WPA_BSS_MASK_ALL;
5016 
5017 	if (os_strncmp(cmd, "RANGE=", 6) == 0) {
5018 		if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
5019 			bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
5020 					    list_id);
5021 			bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
5022 					       list_id);
5023 		} else { /* N1-N2 */
5024 			unsigned int id1, id2;
5025 
5026 			if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
5027 				wpa_printf(MSG_INFO, "Wrong BSS range "
5028 					   "format");
5029 				return 0;
5030 			}
5031 
5032 			if (*(cmd + 6) == '-')
5033 				id1 = 0;
5034 			else
5035 				id1 = atoi(cmd + 6);
5036 			ctmp++;
5037 			if (*ctmp >= '0' && *ctmp <= '9')
5038 				id2 = atoi(ctmp);
5039 			else
5040 				id2 = (unsigned int) -1;
5041 			bss = wpa_bss_get_id_range(wpa_s, id1, id2);
5042 			if (id2 == (unsigned int) -1)
5043 				bsslast = dl_list_last(&wpa_s->bss_id,
5044 						       struct wpa_bss,
5045 						       list_id);
5046 			else {
5047 				bsslast = wpa_bss_get_id(wpa_s, id2);
5048 				if (bsslast == NULL && bss && id2 > id1) {
5049 					struct wpa_bss *tmp = bss;
5050 					for (;;) {
5051 						next = tmp->list_id.next;
5052 						if (next == &wpa_s->bss_id)
5053 							break;
5054 						tmp = dl_list_entry(
5055 							next, struct wpa_bss,
5056 							list_id);
5057 						if (tmp->id > id2)
5058 							break;
5059 						bsslast = tmp;
5060 					}
5061 				}
5062 			}
5063 		}
5064 	} else if (os_strncmp(cmd, "FIRST", 5) == 0)
5065 		bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
5066 	else if (os_strncmp(cmd, "LAST", 4) == 0)
5067 		bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
5068 	else if (os_strncmp(cmd, "ID-", 3) == 0) {
5069 		i = atoi(cmd + 3);
5070 		bss = wpa_bss_get_id(wpa_s, i);
5071 	} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
5072 		i = atoi(cmd + 5);
5073 		bss = wpa_bss_get_id(wpa_s, i);
5074 		if (bss) {
5075 			next = bss->list_id.next;
5076 			if (next == &wpa_s->bss_id)
5077 				bss = NULL;
5078 			else
5079 				bss = dl_list_entry(next, struct wpa_bss,
5080 						    list_id);
5081 		}
5082 	} else if (os_strncmp(cmd, "CURRENT", 7) == 0) {
5083 		bss = wpa_s->current_bss;
5084 #ifdef CONFIG_P2P
5085 	} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
5086 		if (hwaddr_aton(cmd + 13, bssid) == 0)
5087 			bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
5088 		else
5089 			bss = NULL;
5090 #endif /* CONFIG_P2P */
5091 	} else if (hwaddr_aton(cmd, bssid) == 0)
5092 		bss = wpa_bss_get_bssid(wpa_s, bssid);
5093 	else {
5094 		struct wpa_bss *tmp;
5095 		i = atoi(cmd);
5096 		bss = NULL;
5097 		dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
5098 		{
5099 			if (i == 0) {
5100 				bss = tmp;
5101 				break;
5102 			}
5103 			i--;
5104 		}
5105 	}
5106 
5107 	if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
5108 		mask = strtoul(ctmp + 5, NULL, 0x10);
5109 		if (mask == 0)
5110 			mask = WPA_BSS_MASK_ALL;
5111 	}
5112 
5113 	if (bss == NULL)
5114 		return 0;
5115 
5116 	if (bsslast == NULL)
5117 		bsslast = bss;
5118 	do {
5119 		len = print_bss_info(wpa_s, bss, mask, buf, buflen);
5120 		ret += len;
5121 		buf += len;
5122 		buflen -= len;
5123 		if (bss == bsslast) {
5124 			if ((mask & WPA_BSS_MASK_DELIM) && len &&
5125 			    (bss == dl_list_last(&wpa_s->bss_id,
5126 						 struct wpa_bss, list_id))) {
5127 				int res;
5128 
5129 				res = os_snprintf(buf - 5, end - buf + 5,
5130 						  "####\n");
5131 				if (os_snprintf_error(end - buf + 5, res)) {
5132 					wpa_printf(MSG_DEBUG,
5133 						   "Could not add end delim");
5134 				}
5135 			}
5136 			break;
5137 		}
5138 		next = bss->list_id.next;
5139 		if (next == &wpa_s->bss_id)
5140 			break;
5141 		bss = dl_list_entry(next, struct wpa_bss, list_id);
5142 	} while (bss && len);
5143 
5144 	return ret;
5145 }
5146 
5147 
wpa_supplicant_ctrl_iface_ap_scan(struct wpa_supplicant * wpa_s,char * cmd)5148 static int wpa_supplicant_ctrl_iface_ap_scan(
5149 	struct wpa_supplicant *wpa_s, char *cmd)
5150 {
5151 	int ap_scan = atoi(cmd);
5152 	return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
5153 }
5154 
5155 
wpa_supplicant_ctrl_iface_scan_interval(struct wpa_supplicant * wpa_s,char * cmd)5156 static int wpa_supplicant_ctrl_iface_scan_interval(
5157 	struct wpa_supplicant *wpa_s, char *cmd)
5158 {
5159 	int scan_int = atoi(cmd);
5160 	return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
5161 }
5162 
5163 
wpa_supplicant_ctrl_iface_bss_expire_age(struct wpa_supplicant * wpa_s,char * cmd)5164 static int wpa_supplicant_ctrl_iface_bss_expire_age(
5165 	struct wpa_supplicant *wpa_s, char *cmd)
5166 {
5167 	int expire_age = atoi(cmd);
5168 	return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
5169 }
5170 
5171 
wpa_supplicant_ctrl_iface_bss_expire_count(struct wpa_supplicant * wpa_s,char * cmd)5172 static int wpa_supplicant_ctrl_iface_bss_expire_count(
5173 	struct wpa_supplicant *wpa_s, char *cmd)
5174 {
5175 	int expire_count = atoi(cmd);
5176 	return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
5177 }
5178 
5179 
wpa_supplicant_ctrl_iface_bss_flush(struct wpa_supplicant * wpa_s,char * cmd)5180 static void wpa_supplicant_ctrl_iface_bss_flush(
5181 	struct wpa_supplicant *wpa_s, char *cmd)
5182 {
5183 	int flush_age = atoi(cmd);
5184 
5185 	if (flush_age == 0)
5186 		wpa_bss_flush(wpa_s);
5187 	else
5188 		wpa_bss_flush_by_age(wpa_s, flush_age);
5189 }
5190 
5191 
5192 #ifdef CONFIG_TESTING_OPTIONS
wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant * wpa_s)5193 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
5194 {
5195 	wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
5196 	/* MLME-DELETEKEYS.request */
5197 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
5198 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
5199 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
5200 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
5201 #ifdef CONFIG_IEEE80211W
5202 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
5203 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
5204 #endif /* CONFIG_IEEE80211W */
5205 
5206 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
5207 			0);
5208 	/* MLME-SETPROTECTION.request(None) */
5209 	wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
5210 				   MLME_SETPROTECTION_PROTECT_TYPE_NONE,
5211 				   MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
5212 	wpa_sm_drop_sa(wpa_s->wpa);
5213 }
5214 #endif /* CONFIG_TESTING_OPTIONS */
5215 
5216 
wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant * wpa_s,char * addr)5217 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
5218 					  char *addr)
5219 {
5220 #ifdef CONFIG_NO_SCAN_PROCESSING
5221 	return -1;
5222 #else /* CONFIG_NO_SCAN_PROCESSING */
5223 	u8 bssid[ETH_ALEN];
5224 	struct wpa_bss *bss;
5225 	struct wpa_ssid *ssid = wpa_s->current_ssid;
5226 
5227 	if (hwaddr_aton(addr, bssid)) {
5228 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
5229 			   "address '%s'", addr);
5230 		return -1;
5231 	}
5232 
5233 	wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
5234 
5235 	if (!ssid) {
5236 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
5237 			   "configuration known for the target AP");
5238 		return -1;
5239 	}
5240 
5241 	bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
5242 	if (!bss) {
5243 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
5244 			   "from BSS table");
5245 		return -1;
5246 	}
5247 
5248 	/*
5249 	 * TODO: Find best network configuration block from configuration to
5250 	 * allow roaming to other networks
5251 	 */
5252 
5253 	wpa_s->reassociate = 1;
5254 	wpa_supplicant_connect(wpa_s, bss, ssid);
5255 
5256 	return 0;
5257 #endif /* CONFIG_NO_SCAN_PROCESSING */
5258 }
5259 
5260 
5261 #ifdef CONFIG_P2P
p2p_ctrl_find(struct wpa_supplicant * wpa_s,char * cmd)5262 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
5263 {
5264 	unsigned int timeout = atoi(cmd);
5265 	enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
5266 	u8 dev_id[ETH_ALEN], *_dev_id = NULL;
5267 	u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
5268 	char *pos;
5269 	unsigned int search_delay;
5270 	const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
5271 	u8 seek_count = 0;
5272 	int freq = 0;
5273 
5274 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5275 		wpa_dbg(wpa_s, MSG_INFO,
5276 			"Reject P2P_FIND since interface is disabled");
5277 		return -1;
5278 	}
5279 	if (os_strstr(cmd, "type=social"))
5280 		type = P2P_FIND_ONLY_SOCIAL;
5281 	else if (os_strstr(cmd, "type=progressive"))
5282 		type = P2P_FIND_PROGRESSIVE;
5283 
5284 	pos = os_strstr(cmd, "dev_id=");
5285 	if (pos) {
5286 		pos += 7;
5287 		if (hwaddr_aton(pos, dev_id))
5288 			return -1;
5289 		_dev_id = dev_id;
5290 	}
5291 
5292 	pos = os_strstr(cmd, "dev_type=");
5293 	if (pos) {
5294 		pos += 9;
5295 		if (wps_dev_type_str2bin(pos, dev_type) < 0)
5296 			return -1;
5297 		_dev_type = dev_type;
5298 	}
5299 
5300 	pos = os_strstr(cmd, "delay=");
5301 	if (pos) {
5302 		pos += 6;
5303 		search_delay = atoi(pos);
5304 	} else
5305 		search_delay = wpas_p2p_search_delay(wpa_s);
5306 
5307 	pos = os_strstr(cmd, "freq=");
5308 	if (pos) {
5309 		pos += 5;
5310 		freq = atoi(pos);
5311 		if (freq <= 0)
5312 			return -1;
5313 	}
5314 
5315 	/* Must be searched for last, because it adds nul termination */
5316 	pos = os_strstr(cmd, " seek=");
5317 	if (pos)
5318 		pos += 6;
5319 	while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
5320 		char *term;
5321 
5322 		_seek[seek_count++] = pos;
5323 		seek = _seek;
5324 		term = os_strchr(pos, ' ');
5325 		if (!term)
5326 			break;
5327 		*term = '\0';
5328 		pos = os_strstr(term + 1, "seek=");
5329 		if (pos)
5330 			pos += 5;
5331 	}
5332 	if (seek_count > P2P_MAX_QUERY_HASH) {
5333 		seek[0] = NULL;
5334 		seek_count = 1;
5335 	}
5336 
5337 	return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
5338 			     _dev_id, search_delay, seek_count, seek, freq);
5339 }
5340 
5341 
p2ps_ctrl_parse_cpt_priority(const char * pos,u8 * cpt)5342 static int p2ps_ctrl_parse_cpt_priority(const char *pos, u8 *cpt)
5343 {
5344 	const char *last = NULL;
5345 	const char *token;
5346 	long int token_len;
5347 	unsigned int i;
5348 
5349 	/* Expected predefined CPT names delimited by ':' */
5350 	for (i = 0; (token = cstr_token(pos, ": \t", &last)); i++) {
5351 		if (i >= P2PS_FEATURE_CAPAB_CPT_MAX) {
5352 			wpa_printf(MSG_ERROR,
5353 				   "P2PS: CPT name list is too long, expected up to %d names",
5354 				   P2PS_FEATURE_CAPAB_CPT_MAX);
5355 			cpt[0] = 0;
5356 			return -1;
5357 		}
5358 
5359 		token_len = last - token;
5360 
5361 		if (token_len  == 3 &&
5362 		    os_memcmp(token, "UDP", token_len) == 0) {
5363 			cpt[i] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5364 		} else if (token_len == 3 &&
5365 			   os_memcmp(token, "MAC", token_len) == 0) {
5366 			cpt[i] = P2PS_FEATURE_CAPAB_MAC_TRANSPORT;
5367 		} else {
5368 			wpa_printf(MSG_ERROR,
5369 				   "P2PS: Unsupported CPT name '%s'", token);
5370 			cpt[0] = 0;
5371 			return -1;
5372 		}
5373 
5374 		if (isblank((unsigned char) *last)) {
5375 			i++;
5376 			break;
5377 		}
5378 	}
5379 	cpt[i] = 0;
5380 	return 0;
5381 }
5382 
5383 
p2p_parse_asp_provision_cmd(const char * cmd)5384 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
5385 {
5386 	struct p2ps_provision *p2ps_prov;
5387 	char *pos;
5388 	size_t info_len = 0;
5389 	char *info = NULL;
5390 	u8 role = P2PS_SETUP_NONE;
5391 	long long unsigned val;
5392 	int i;
5393 
5394 	pos = os_strstr(cmd, "info=");
5395 	if (pos) {
5396 		pos += 5;
5397 		info_len = os_strlen(pos);
5398 
5399 		if (info_len) {
5400 			info = os_malloc(info_len + 1);
5401 			if (info) {
5402 				info_len = utf8_unescape(pos, info_len,
5403 							 info, info_len + 1);
5404 			} else
5405 				info_len = 0;
5406 		}
5407 	}
5408 
5409 	p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
5410 	if (p2ps_prov == NULL) {
5411 		os_free(info);
5412 		return NULL;
5413 	}
5414 
5415 	if (info) {
5416 		os_memcpy(p2ps_prov->info, info, info_len);
5417 		p2ps_prov->info[info_len] = '\0';
5418 		os_free(info);
5419 	}
5420 
5421 	pos = os_strstr(cmd, "status=");
5422 	if (pos)
5423 		p2ps_prov->status = atoi(pos + 7);
5424 	else
5425 		p2ps_prov->status = -1;
5426 
5427 	pos = os_strstr(cmd, "adv_id=");
5428 	if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
5429 		goto invalid_args;
5430 	p2ps_prov->adv_id = val;
5431 
5432 	pos = os_strstr(cmd, "method=");
5433 	if (pos)
5434 		p2ps_prov->method = strtol(pos + 7, NULL, 16);
5435 	else
5436 		p2ps_prov->method = 0;
5437 
5438 	pos = os_strstr(cmd, "session=");
5439 	if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
5440 		goto invalid_args;
5441 	p2ps_prov->session_id = val;
5442 
5443 	pos = os_strstr(cmd, "adv_mac=");
5444 	if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
5445 		goto invalid_args;
5446 
5447 	pos = os_strstr(cmd, "session_mac=");
5448 	if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
5449 		goto invalid_args;
5450 
5451 	pos = os_strstr(cmd, "cpt=");
5452 	if (pos) {
5453 		if (p2ps_ctrl_parse_cpt_priority(pos + 4,
5454 						 p2ps_prov->cpt_priority))
5455 			goto invalid_args;
5456 	} else {
5457 		p2ps_prov->cpt_priority[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
5458 	}
5459 
5460 	for (i = 0; p2ps_prov->cpt_priority[i]; i++)
5461 		p2ps_prov->cpt_mask |= p2ps_prov->cpt_priority[i];
5462 
5463 	/* force conncap with tstCap (no sanity checks) */
5464 	pos = os_strstr(cmd, "tstCap=");
5465 	if (pos) {
5466 		role = strtol(pos + 7, NULL, 16);
5467 	} else {
5468 		pos = os_strstr(cmd, "role=");
5469 		if (pos) {
5470 			role = strtol(pos + 5, NULL, 16);
5471 			if (role != P2PS_SETUP_CLIENT &&
5472 			    role != P2PS_SETUP_GROUP_OWNER)
5473 				role = P2PS_SETUP_NONE;
5474 		}
5475 	}
5476 	p2ps_prov->role = role;
5477 
5478 	return p2ps_prov;
5479 
5480 invalid_args:
5481 	os_free(p2ps_prov);
5482 	return NULL;
5483 }
5484 
5485 
p2p_ctrl_asp_provision_resp(struct wpa_supplicant * wpa_s,char * cmd)5486 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
5487 {
5488 	u8 addr[ETH_ALEN];
5489 	struct p2ps_provision *p2ps_prov;
5490 	char *pos;
5491 
5492 	/* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
5493 
5494 	wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
5495 
5496 	if (hwaddr_aton(cmd, addr))
5497 		return -1;
5498 
5499 	pos = cmd + 17;
5500 	if (*pos != ' ')
5501 		return -1;
5502 
5503 	p2ps_prov = p2p_parse_asp_provision_cmd(pos);
5504 	if (!p2ps_prov)
5505 		return -1;
5506 
5507 	if (p2ps_prov->status < 0) {
5508 		os_free(p2ps_prov);
5509 		return -1;
5510 	}
5511 
5512 	return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
5513 				  p2ps_prov);
5514 }
5515 
5516 
p2p_ctrl_asp_provision(struct wpa_supplicant * wpa_s,char * cmd)5517 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
5518 {
5519 	u8 addr[ETH_ALEN];
5520 	struct p2ps_provision *p2ps_prov;
5521 	char *pos;
5522 
5523 	/* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
5524 	 *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
5525 	 */
5526 
5527 	wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
5528 	if (hwaddr_aton(cmd, addr))
5529 		return -1;
5530 
5531 	pos = cmd + 17;
5532 	if (*pos != ' ')
5533 		return -1;
5534 
5535 	p2ps_prov = p2p_parse_asp_provision_cmd(pos);
5536 	if (!p2ps_prov)
5537 		return -1;
5538 
5539 	p2ps_prov->pd_seeker = 1;
5540 
5541 	return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
5542 				  p2ps_prov);
5543 }
5544 
5545 
parse_freq(int chwidth,int freq2)5546 static int parse_freq(int chwidth, int freq2)
5547 {
5548 	if (freq2 < 0)
5549 		return -1;
5550 	if (freq2)
5551 		return VHT_CHANWIDTH_80P80MHZ;
5552 
5553 	switch (chwidth) {
5554 	case 0:
5555 	case 20:
5556 	case 40:
5557 		return VHT_CHANWIDTH_USE_HT;
5558 	case 80:
5559 		return VHT_CHANWIDTH_80MHZ;
5560 	case 160:
5561 		return VHT_CHANWIDTH_160MHZ;
5562 	default:
5563 		wpa_printf(MSG_DEBUG, "Unknown max oper bandwidth: %d",
5564 			   chwidth);
5565 		return -1;
5566 	}
5567 }
5568 
5569 
p2p_ctrl_connect(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)5570 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
5571 			    char *buf, size_t buflen)
5572 {
5573 	u8 addr[ETH_ALEN];
5574 	char *pos, *pos2;
5575 	char *pin = NULL;
5576 	enum p2p_wps_method wps_method;
5577 	int new_pin;
5578 	int ret;
5579 	int persistent_group, persistent_id = -1;
5580 	int join;
5581 	int auth;
5582 	int automatic;
5583 	int go_intent = -1;
5584 	int freq = 0;
5585 	int pd;
5586 	int ht40, vht, max_oper_chwidth, chwidth = 0, freq2 = 0;
5587 	u8 _group_ssid[SSID_MAX_LEN], *group_ssid = NULL;
5588 	size_t group_ssid_len = 0;
5589 	int he;
5590 
5591 	if (!wpa_s->global->p2p_init_wpa_s)
5592 		return -1;
5593 	if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
5594 		wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
5595 			wpa_s->global->p2p_init_wpa_s->ifname);
5596 		wpa_s = wpa_s->global->p2p_init_wpa_s;
5597 	}
5598 
5599 	/* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
5600 	 * [persistent|persistent=<network id>]
5601 	 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
5602 	 * [ht40] [vht] [he] [auto] [ssid=<hexdump>] */
5603 
5604 	if (hwaddr_aton(cmd, addr))
5605 		return -1;
5606 
5607 	pos = cmd + 17;
5608 	if (*pos != ' ')
5609 		return -1;
5610 	pos++;
5611 
5612 	persistent_group = os_strstr(pos, " persistent") != NULL;
5613 	pos2 = os_strstr(pos, " persistent=");
5614 	if (pos2) {
5615 		struct wpa_ssid *ssid;
5616 		persistent_id = atoi(pos2 + 12);
5617 		ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
5618 		if (ssid == NULL || ssid->disabled != 2 ||
5619 		    ssid->mode != WPAS_MODE_P2P_GO) {
5620 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
5621 				   "SSID id=%d for persistent P2P group (GO)",
5622 				   persistent_id);
5623 			return -1;
5624 		}
5625 	}
5626 	join = os_strstr(pos, " join") != NULL;
5627 	auth = os_strstr(pos, " auth") != NULL;
5628 	automatic = os_strstr(pos, " auto") != NULL;
5629 	pd = os_strstr(pos, " provdisc") != NULL;
5630 	vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
5631 	ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
5632 		vht;
5633 	he = (os_strstr(cmd, " he") != NULL) || wpa_s->conf->p2p_go_he;
5634 
5635 	pos2 = os_strstr(pos, " go_intent=");
5636 	if (pos2) {
5637 		pos2 += 11;
5638 		go_intent = atoi(pos2);
5639 		if (go_intent < 0 || go_intent > 15)
5640 			return -1;
5641 	}
5642 
5643 	pos2 = os_strstr(pos, " freq=");
5644 	if (pos2) {
5645 		pos2 += 6;
5646 		freq = atoi(pos2);
5647 		if (freq <= 0)
5648 			return -1;
5649 	}
5650 
5651 	pos2 = os_strstr(pos, " freq2=");
5652 	if (pos2)
5653 		freq2 = atoi(pos2 + 7);
5654 
5655 	pos2 = os_strstr(pos, " max_oper_chwidth=");
5656 	if (pos2)
5657 		chwidth = atoi(pos2 + 18);
5658 
5659 	max_oper_chwidth = parse_freq(chwidth, freq2);
5660 	if (max_oper_chwidth < 0)
5661 		return -1;
5662 
5663 	pos2 = os_strstr(pos, " ssid=");
5664 	if (pos2) {
5665 		char *end;
5666 
5667 		pos2 += 6;
5668 		end = os_strchr(pos2, ' ');
5669 		if (!end)
5670 			group_ssid_len = os_strlen(pos2) / 2;
5671 		else
5672 			group_ssid_len = (end - pos2) / 2;
5673 		if (group_ssid_len == 0 || group_ssid_len > SSID_MAX_LEN ||
5674 		    hexstr2bin(pos2, _group_ssid, group_ssid_len) < 0)
5675 			return -1;
5676 		group_ssid = _group_ssid;
5677 	}
5678 
5679 	if (os_strncmp(pos, "pin", 3) == 0) {
5680 		/* Request random PIN (to be displayed) and enable the PIN */
5681 		wps_method = WPS_PIN_DISPLAY;
5682 	} else if (os_strncmp(pos, "pbc", 3) == 0) {
5683 		wps_method = WPS_PBC;
5684 	} else if (os_strstr(pos, "p2ps") != NULL) {
5685 		wps_method = WPS_P2PS;
5686 	} else {
5687 		pin = pos;
5688 		pos = os_strchr(pin, ' ');
5689 		wps_method = WPS_PIN_KEYPAD;
5690 		if (pos) {
5691 			*pos++ = '\0';
5692 			if (os_strncmp(pos, "display", 7) == 0)
5693 				wps_method = WPS_PIN_DISPLAY;
5694 		}
5695 		if (!wps_pin_str_valid(pin)) {
5696 			os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
5697 			return 17;
5698 		}
5699 	}
5700 
5701 	new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
5702 				   persistent_group, automatic, join,
5703 				   auth, go_intent, freq, freq2, persistent_id,
5704 				   pd, ht40, vht, max_oper_chwidth, he,
5705 				   group_ssid, group_ssid_len);
5706 	if (new_pin == -2) {
5707 		os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
5708 		return 25;
5709 	}
5710 	if (new_pin == -3) {
5711 		os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
5712 		return 25;
5713 	}
5714 	if (new_pin < 0)
5715 		return -1;
5716 	if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
5717 		ret = os_snprintf(buf, buflen, "%08d", new_pin);
5718 		if (os_snprintf_error(buflen, ret))
5719 			return -1;
5720 		return ret;
5721 	}
5722 
5723 	os_memcpy(buf, "OK\n", 3);
5724 	return 3;
5725 }
5726 
5727 
p2p_ctrl_listen(struct wpa_supplicant * wpa_s,char * cmd)5728 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
5729 {
5730 	unsigned int timeout = atoi(cmd);
5731 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5732 		wpa_dbg(wpa_s, MSG_INFO,
5733 			"Reject P2P_LISTEN since interface is disabled");
5734 		return -1;
5735 	}
5736 	return wpas_p2p_listen(wpa_s, timeout);
5737 }
5738 
5739 
p2p_ctrl_prov_disc(struct wpa_supplicant * wpa_s,char * cmd)5740 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
5741 {
5742 	u8 addr[ETH_ALEN];
5743 	char *pos;
5744 	enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
5745 
5746 	/* <addr> <config method> [join|auto] */
5747 
5748 	if (hwaddr_aton(cmd, addr))
5749 		return -1;
5750 
5751 	pos = cmd + 17;
5752 	if (*pos != ' ')
5753 		return -1;
5754 	pos++;
5755 
5756 	if (os_strstr(pos, " join") != NULL)
5757 		use = WPAS_P2P_PD_FOR_JOIN;
5758 	else if (os_strstr(pos, " auto") != NULL)
5759 		use = WPAS_P2P_PD_AUTO;
5760 
5761 	return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
5762 }
5763 
5764 
p2p_get_passphrase(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)5765 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
5766 			      size_t buflen)
5767 {
5768 	struct wpa_ssid *ssid = wpa_s->current_ssid;
5769 
5770 	if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
5771 	    ssid->passphrase == NULL)
5772 		return -1;
5773 
5774 	os_strlcpy(buf, ssid->passphrase, buflen);
5775 	return os_strlen(buf);
5776 }
5777 
5778 
p2p_ctrl_serv_disc_req(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)5779 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
5780 				  char *buf, size_t buflen)
5781 {
5782 	u64 ref;
5783 	int res;
5784 	u8 dst_buf[ETH_ALEN], *dst;
5785 	struct wpabuf *tlvs;
5786 	char *pos;
5787 	size_t len;
5788 
5789 	if (hwaddr_aton(cmd, dst_buf))
5790 		return -1;
5791 	dst = dst_buf;
5792 	if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
5793 	    dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
5794 		dst = NULL;
5795 	pos = cmd + 17;
5796 	if (*pos != ' ')
5797 		return -1;
5798 	pos++;
5799 
5800 	if (os_strncmp(pos, "upnp ", 5) == 0) {
5801 		u8 version;
5802 		pos += 5;
5803 		if (hexstr2bin(pos, &version, 1) < 0)
5804 			return -1;
5805 		pos += 2;
5806 		if (*pos != ' ')
5807 			return -1;
5808 		pos++;
5809 		ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
5810 #ifdef CONFIG_WIFI_DISPLAY
5811 	} else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
5812 		ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
5813 #endif /* CONFIG_WIFI_DISPLAY */
5814 	} else if (os_strncmp(pos, "asp ", 4) == 0) {
5815 		char *svc_str;
5816 		char *svc_info = NULL;
5817 		u32 id;
5818 
5819 		pos += 4;
5820 		if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
5821 			return -1;
5822 
5823 		pos = os_strchr(pos, ' ');
5824 		if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
5825 			return -1;
5826 
5827 		svc_str = pos + 1;
5828 
5829 		pos = os_strchr(svc_str, ' ');
5830 
5831 		if (pos)
5832 			*pos++ = '\0';
5833 
5834 		/* All remaining data is the svc_info string */
5835 		if (pos && pos[0] && pos[0] != ' ') {
5836 			len = os_strlen(pos);
5837 
5838 			/* Unescape in place */
5839 			len = utf8_unescape(pos, len, pos, len);
5840 			if (len > 0xff)
5841 				return -1;
5842 
5843 			svc_info = pos;
5844 		}
5845 
5846 		ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
5847 					      svc_str, svc_info);
5848 	} else {
5849 		len = os_strlen(pos);
5850 		if (len & 1)
5851 			return -1;
5852 		len /= 2;
5853 		tlvs = wpabuf_alloc(len);
5854 		if (tlvs == NULL)
5855 			return -1;
5856 		if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
5857 			wpabuf_free(tlvs);
5858 			return -1;
5859 		}
5860 
5861 		ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
5862 		wpabuf_free(tlvs);
5863 	}
5864 	if (ref == 0)
5865 		return -1;
5866 	res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
5867 	if (os_snprintf_error(buflen, res))
5868 		return -1;
5869 	return res;
5870 }
5871 
5872 
p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant * wpa_s,char * cmd)5873 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
5874 					 char *cmd)
5875 {
5876 	long long unsigned val;
5877 	u64 req;
5878 	if (sscanf(cmd, "%llx", &val) != 1)
5879 		return -1;
5880 	req = val;
5881 	return wpas_p2p_sd_cancel_request(wpa_s, req);
5882 }
5883 
5884 
p2p_ctrl_serv_disc_resp(struct wpa_supplicant * wpa_s,char * cmd)5885 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
5886 {
5887 	int freq;
5888 	u8 dst[ETH_ALEN];
5889 	u8 dialog_token;
5890 	struct wpabuf *resp_tlvs;
5891 	char *pos, *pos2;
5892 	size_t len;
5893 
5894 	pos = os_strchr(cmd, ' ');
5895 	if (pos == NULL)
5896 		return -1;
5897 	*pos++ = '\0';
5898 	freq = atoi(cmd);
5899 	if (freq == 0)
5900 		return -1;
5901 
5902 	if (hwaddr_aton(pos, dst))
5903 		return -1;
5904 	pos += 17;
5905 	if (*pos != ' ')
5906 		return -1;
5907 	pos++;
5908 
5909 	pos2 = os_strchr(pos, ' ');
5910 	if (pos2 == NULL)
5911 		return -1;
5912 	*pos2++ = '\0';
5913 	dialog_token = atoi(pos);
5914 
5915 	len = os_strlen(pos2);
5916 	if (len & 1)
5917 		return -1;
5918 	len /= 2;
5919 	resp_tlvs = wpabuf_alloc(len);
5920 	if (resp_tlvs == NULL)
5921 		return -1;
5922 	if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
5923 		wpabuf_free(resp_tlvs);
5924 		return -1;
5925 	}
5926 
5927 	wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
5928 	wpabuf_free(resp_tlvs);
5929 	return 0;
5930 }
5931 
5932 
p2p_ctrl_serv_disc_external(struct wpa_supplicant * wpa_s,char * cmd)5933 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
5934 				       char *cmd)
5935 {
5936 	if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
5937 		return -1;
5938 	wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
5939 	return 0;
5940 }
5941 
5942 
p2p_ctrl_service_add_bonjour(struct wpa_supplicant * wpa_s,char * cmd)5943 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
5944 					char *cmd)
5945 {
5946 	char *pos;
5947 	size_t len;
5948 	struct wpabuf *query, *resp;
5949 
5950 	pos = os_strchr(cmd, ' ');
5951 	if (pos == NULL)
5952 		return -1;
5953 	*pos++ = '\0';
5954 
5955 	len = os_strlen(cmd);
5956 	if (len & 1)
5957 		return -1;
5958 	len /= 2;
5959 	query = wpabuf_alloc(len);
5960 	if (query == NULL)
5961 		return -1;
5962 	if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
5963 		wpabuf_free(query);
5964 		return -1;
5965 	}
5966 
5967 	len = os_strlen(pos);
5968 	if (len & 1) {
5969 		wpabuf_free(query);
5970 		return -1;
5971 	}
5972 	len /= 2;
5973 	resp = wpabuf_alloc(len);
5974 	if (resp == NULL) {
5975 		wpabuf_free(query);
5976 		return -1;
5977 	}
5978 	if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
5979 		wpabuf_free(query);
5980 		wpabuf_free(resp);
5981 		return -1;
5982 	}
5983 
5984 	if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
5985 		wpabuf_free(query);
5986 		wpabuf_free(resp);
5987 		return -1;
5988 	}
5989 	return 0;
5990 }
5991 
5992 
p2p_ctrl_service_add_upnp(struct wpa_supplicant * wpa_s,char * cmd)5993 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
5994 {
5995 	char *pos;
5996 	u8 version;
5997 
5998 	pos = os_strchr(cmd, ' ');
5999 	if (pos == NULL)
6000 		return -1;
6001 	*pos++ = '\0';
6002 
6003 	if (hexstr2bin(cmd, &version, 1) < 0)
6004 		return -1;
6005 
6006 	return wpas_p2p_service_add_upnp(wpa_s, version, pos);
6007 }
6008 
6009 
p2p_ctrl_service_add_asp(struct wpa_supplicant * wpa_s,u8 replace,char * cmd)6010 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
6011 				    u8 replace, char *cmd)
6012 {
6013 	char *pos;
6014 	char *adv_str;
6015 	u32 auto_accept, adv_id, svc_state, config_methods;
6016 	char *svc_info = NULL;
6017 	char *cpt_prio_str;
6018 	u8 cpt_prio[P2PS_FEATURE_CAPAB_CPT_MAX + 1];
6019 
6020 	pos = os_strchr(cmd, ' ');
6021 	if (pos == NULL)
6022 		return -1;
6023 	*pos++ = '\0';
6024 
6025 	/* Auto-Accept value is mandatory, and must be one of the
6026 	 * single values (0, 1, 2, 4) */
6027 	auto_accept = atoi(cmd);
6028 	switch (auto_accept) {
6029 	case P2PS_SETUP_NONE: /* No auto-accept */
6030 	case P2PS_SETUP_NEW:
6031 	case P2PS_SETUP_CLIENT:
6032 	case P2PS_SETUP_GROUP_OWNER:
6033 		break;
6034 	default:
6035 		return -1;
6036 	}
6037 
6038 	/* Advertisement ID is mandatory */
6039 	cmd = pos;
6040 	pos = os_strchr(cmd, ' ');
6041 	if (pos == NULL)
6042 		return -1;
6043 	*pos++ = '\0';
6044 
6045 	/* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
6046 	if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
6047 		return -1;
6048 
6049 	/* Only allow replacements if exist, and adds if not */
6050 	if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
6051 		if (!replace)
6052 			return -1;
6053 	} else {
6054 		if (replace)
6055 			return -1;
6056 	}
6057 
6058 	/* svc_state between 0 - 0xff is mandatory */
6059 	if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
6060 		return -1;
6061 
6062 	pos = os_strchr(pos, ' ');
6063 	if (pos == NULL)
6064 		return -1;
6065 
6066 	/* config_methods is mandatory */
6067 	pos++;
6068 	if (sscanf(pos, "%x", &config_methods) != 1)
6069 		return -1;
6070 
6071 	if (!(config_methods &
6072 	      (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
6073 		return -1;
6074 
6075 	pos = os_strchr(pos, ' ');
6076 	if (pos == NULL)
6077 		return -1;
6078 
6079 	pos++;
6080 	adv_str = pos;
6081 
6082 	/* Advertisement string is mandatory */
6083 	if (!pos[0] || pos[0] == ' ')
6084 		return -1;
6085 
6086 	/* Terminate svc string */
6087 	pos = os_strchr(pos, ' ');
6088 	if (pos != NULL)
6089 		*pos++ = '\0';
6090 
6091 	cpt_prio_str = (pos && pos[0]) ? os_strstr(pos, "cpt=") : NULL;
6092 	if (cpt_prio_str) {
6093 		pos = os_strchr(pos, ' ');
6094 		if (pos != NULL)
6095 			*pos++ = '\0';
6096 
6097 		if (p2ps_ctrl_parse_cpt_priority(cpt_prio_str + 4, cpt_prio))
6098 			return -1;
6099 	} else {
6100 		cpt_prio[0] = P2PS_FEATURE_CAPAB_UDP_TRANSPORT;
6101 		cpt_prio[1] = 0;
6102 	}
6103 
6104 	/* Service and Response Information are optional */
6105 	if (pos && pos[0]) {
6106 		size_t len;
6107 
6108 		/* Note the bare ' included, which cannot exist legally
6109 		 * in unescaped string. */
6110 		svc_info = os_strstr(pos, "svc_info='");
6111 
6112 		if (svc_info) {
6113 			svc_info += 9;
6114 			len = os_strlen(svc_info);
6115 			utf8_unescape(svc_info, len, svc_info, len);
6116 		}
6117 	}
6118 
6119 	return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
6120 					(u8) svc_state, (u16) config_methods,
6121 					svc_info, cpt_prio);
6122 }
6123 
6124 
p2p_ctrl_service_add(struct wpa_supplicant * wpa_s,char * cmd)6125 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
6126 {
6127 	char *pos;
6128 
6129 	pos = os_strchr(cmd, ' ');
6130 	if (pos == NULL)
6131 		return -1;
6132 	*pos++ = '\0';
6133 
6134 	if (os_strcmp(cmd, "bonjour") == 0)
6135 		return p2p_ctrl_service_add_bonjour(wpa_s, pos);
6136 	if (os_strcmp(cmd, "upnp") == 0)
6137 		return p2p_ctrl_service_add_upnp(wpa_s, pos);
6138 	if (os_strcmp(cmd, "asp") == 0)
6139 		return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
6140 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
6141 	return -1;
6142 }
6143 
6144 
p2p_ctrl_service_del_bonjour(struct wpa_supplicant * wpa_s,char * cmd)6145 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
6146 					char *cmd)
6147 {
6148 	size_t len;
6149 	struct wpabuf *query;
6150 	int ret;
6151 
6152 	len = os_strlen(cmd);
6153 	if (len & 1)
6154 		return -1;
6155 	len /= 2;
6156 	query = wpabuf_alloc(len);
6157 	if (query == NULL)
6158 		return -1;
6159 	if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
6160 		wpabuf_free(query);
6161 		return -1;
6162 	}
6163 
6164 	ret = wpas_p2p_service_del_bonjour(wpa_s, query);
6165 	wpabuf_free(query);
6166 	return ret;
6167 }
6168 
6169 
p2p_ctrl_service_del_upnp(struct wpa_supplicant * wpa_s,char * cmd)6170 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
6171 {
6172 	char *pos;
6173 	u8 version;
6174 
6175 	pos = os_strchr(cmd, ' ');
6176 	if (pos == NULL)
6177 		return -1;
6178 	*pos++ = '\0';
6179 
6180 	if (hexstr2bin(cmd, &version, 1) < 0)
6181 		return -1;
6182 
6183 	return wpas_p2p_service_del_upnp(wpa_s, version, pos);
6184 }
6185 
6186 
p2p_ctrl_service_del_asp(struct wpa_supplicant * wpa_s,char * cmd)6187 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
6188 {
6189 	u32 adv_id;
6190 
6191 	if (os_strcmp(cmd, "all") == 0) {
6192 		wpas_p2p_service_flush_asp(wpa_s);
6193 		return 0;
6194 	}
6195 
6196 	if (sscanf(cmd, "%x", &adv_id) != 1)
6197 		return -1;
6198 
6199 	return wpas_p2p_service_del_asp(wpa_s, adv_id);
6200 }
6201 
6202 
p2p_ctrl_service_del(struct wpa_supplicant * wpa_s,char * cmd)6203 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
6204 {
6205 	char *pos;
6206 
6207 	pos = os_strchr(cmd, ' ');
6208 	if (pos == NULL)
6209 		return -1;
6210 	*pos++ = '\0';
6211 
6212 	if (os_strcmp(cmd, "bonjour") == 0)
6213 		return p2p_ctrl_service_del_bonjour(wpa_s, pos);
6214 	if (os_strcmp(cmd, "upnp") == 0)
6215 		return p2p_ctrl_service_del_upnp(wpa_s, pos);
6216 	if (os_strcmp(cmd, "asp") == 0)
6217 		return p2p_ctrl_service_del_asp(wpa_s, pos);
6218 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
6219 	return -1;
6220 }
6221 
6222 
p2p_ctrl_service_replace(struct wpa_supplicant * wpa_s,char * cmd)6223 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
6224 {
6225 	char *pos;
6226 
6227 	pos = os_strchr(cmd, ' ');
6228 	if (pos == NULL)
6229 		return -1;
6230 	*pos++ = '\0';
6231 
6232 	if (os_strcmp(cmd, "asp") == 0)
6233 		return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
6234 
6235 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
6236 	return -1;
6237 }
6238 
6239 
p2p_ctrl_reject(struct wpa_supplicant * wpa_s,char * cmd)6240 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
6241 {
6242 	u8 addr[ETH_ALEN];
6243 
6244 	/* <addr> */
6245 
6246 	if (hwaddr_aton(cmd, addr))
6247 		return -1;
6248 
6249 	return wpas_p2p_reject(wpa_s, addr);
6250 }
6251 
6252 
p2p_ctrl_invite_persistent(struct wpa_supplicant * wpa_s,char * cmd)6253 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
6254 {
6255 	char *pos;
6256 	int id;
6257 	struct wpa_ssid *ssid;
6258 	u8 *_peer = NULL, peer[ETH_ALEN];
6259 	int freq = 0, pref_freq = 0;
6260 	int ht40, vht, he, max_oper_chwidth, chwidth = 0, freq2 = 0;
6261 
6262 	id = atoi(cmd);
6263 	pos = os_strstr(cmd, " peer=");
6264 	if (pos) {
6265 		pos += 6;
6266 		if (hwaddr_aton(pos, peer))
6267 			return -1;
6268 		_peer = peer;
6269 	}
6270 	ssid = wpa_config_get_network(wpa_s->conf, id);
6271 	if (ssid == NULL || ssid->disabled != 2) {
6272 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
6273 			   "for persistent P2P group",
6274 			   id);
6275 		return -1;
6276 	}
6277 
6278 	pos = os_strstr(cmd, " freq=");
6279 	if (pos) {
6280 		pos += 6;
6281 		freq = atoi(pos);
6282 		if (freq <= 0)
6283 			return -1;
6284 	}
6285 
6286 	pos = os_strstr(cmd, " pref=");
6287 	if (pos) {
6288 		pos += 6;
6289 		pref_freq = atoi(pos);
6290 		if (pref_freq <= 0)
6291 			return -1;
6292 	}
6293 
6294 	vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
6295 	ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
6296 		vht;
6297 	he = (os_strstr(cmd, " he") != NULL) || wpa_s->conf->p2p_go_he;
6298 
6299 	pos = os_strstr(cmd, "freq2=");
6300 	if (pos)
6301 		freq2 = atoi(pos + 6);
6302 
6303 	pos = os_strstr(cmd, " max_oper_chwidth=");
6304 	if (pos)
6305 		chwidth = atoi(pos + 18);
6306 
6307 	max_oper_chwidth = parse_freq(chwidth, freq2);
6308 	if (max_oper_chwidth < 0)
6309 		return -1;
6310 
6311 	return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, freq2, ht40, vht,
6312 			       max_oper_chwidth, pref_freq, he);
6313 }
6314 
6315 
p2p_ctrl_invite_group(struct wpa_supplicant * wpa_s,char * cmd)6316 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
6317 {
6318 	char *pos;
6319 	u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
6320 
6321 	pos = os_strstr(cmd, " peer=");
6322 	if (!pos)
6323 		return -1;
6324 
6325 	*pos = '\0';
6326 	pos += 6;
6327 	if (hwaddr_aton(pos, peer)) {
6328 		wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
6329 		return -1;
6330 	}
6331 
6332 	pos = os_strstr(pos, " go_dev_addr=");
6333 	if (pos) {
6334 		pos += 13;
6335 		if (hwaddr_aton(pos, go_dev_addr)) {
6336 			wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
6337 				   pos);
6338 			return -1;
6339 		}
6340 		go_dev = go_dev_addr;
6341 	}
6342 
6343 	return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
6344 }
6345 
6346 
p2p_ctrl_invite(struct wpa_supplicant * wpa_s,char * cmd)6347 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
6348 {
6349 	if (os_strncmp(cmd, "persistent=", 11) == 0)
6350 		return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
6351 	if (os_strncmp(cmd, "group=", 6) == 0)
6352 		return p2p_ctrl_invite_group(wpa_s, cmd + 6);
6353 
6354 	return -1;
6355 }
6356 
6357 
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,int he)6358 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
6359 					 int id, int freq, int vht_center_freq2,
6360 					 int ht40, int vht, int vht_chwidth,
6361 					 int he)
6362 {
6363 	struct wpa_ssid *ssid;
6364 
6365 	ssid = wpa_config_get_network(wpa_s->conf, id);
6366 	if (ssid == NULL || ssid->disabled != 2) {
6367 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
6368 			   "for persistent P2P group",
6369 			   id);
6370 		return -1;
6371 	}
6372 
6373 	return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq,
6374 					     vht_center_freq2, 0, ht40, vht,
6375 					     vht_chwidth, he, NULL, 0, 0);
6376 }
6377 
6378 
p2p_ctrl_group_add(struct wpa_supplicant * wpa_s,char * cmd)6379 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
6380 {
6381 	int freq = 0, persistent = 0, group_id = -1;
6382 	int vht = wpa_s->conf->p2p_go_vht;
6383 	int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
6384 	int he = wpa_s->conf->p2p_go_he;
6385 	int max_oper_chwidth, chwidth = 0, freq2 = 0;
6386 	char *token, *context = NULL;
6387 #ifdef CONFIG_ACS
6388 	int acs = 0;
6389 #endif /* CONFIG_ACS */
6390 
6391 	while ((token = str_token(cmd, " ", &context))) {
6392 		if (sscanf(token, "freq2=%d", &freq2) == 1 ||
6393 		    sscanf(token, "persistent=%d", &group_id) == 1 ||
6394 		    sscanf(token, "max_oper_chwidth=%d", &chwidth) == 1) {
6395 			continue;
6396 #ifdef CONFIG_ACS
6397 		} else if (os_strcmp(token, "freq=acs") == 0) {
6398 			acs = 1;
6399 #endif /* CONFIG_ACS */
6400 		} else if (sscanf(token, "freq=%d", &freq) == 1) {
6401 			continue;
6402 		} else if (os_strcmp(token, "ht40") == 0) {
6403 			ht40 = 1;
6404 		} else if (os_strcmp(token, "vht") == 0) {
6405 			vht = 1;
6406 			ht40 = 1;
6407 		} else if (os_strcmp(token, "he") == 0) {
6408 			he = 1;
6409 		} else if (os_strcmp(token, "persistent") == 0) {
6410 			persistent = 1;
6411 		} else {
6412 			wpa_printf(MSG_DEBUG,
6413 				   "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
6414 				   token);
6415 			return -1;
6416 		}
6417 	}
6418 
6419 #ifdef CONFIG_ACS
6420 	if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_ACS_OFFLOAD) &&
6421 	    (acs || freq == 2 || freq == 5)) {
6422 		if (freq == 2 && wpa_s->best_24_freq <= 0) {
6423 			wpa_s->p2p_go_acs_band = HOSTAPD_MODE_IEEE80211G;
6424 			wpa_s->p2p_go_do_acs = 1;
6425 			freq = 0;
6426 		} else if (freq == 5 && wpa_s->best_5_freq <= 0) {
6427 			wpa_s->p2p_go_acs_band = HOSTAPD_MODE_IEEE80211A;
6428 			wpa_s->p2p_go_do_acs = 1;
6429 			freq = 0;
6430 		} else {
6431 			wpa_s->p2p_go_acs_band = HOSTAPD_MODE_IEEE80211ANY;
6432 			wpa_s->p2p_go_do_acs = 1;
6433 		}
6434 	} else {
6435 		wpa_s->p2p_go_do_acs = 0;
6436 	}
6437 #endif /* CONFIG_ACS */
6438 
6439 	max_oper_chwidth = parse_freq(chwidth, freq2);
6440 	if (max_oper_chwidth < 0)
6441 		return -1;
6442 
6443 	if (group_id >= 0)
6444 		return p2p_ctrl_group_add_persistent(wpa_s, group_id,
6445 						     freq, freq2, ht40, vht,
6446 						     max_oper_chwidth, he);
6447 
6448 	return wpas_p2p_group_add(wpa_s, persistent, freq, freq2, ht40, vht,
6449 				  max_oper_chwidth, he);
6450 }
6451 
6452 
p2p_ctrl_group_member(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)6453 static int p2p_ctrl_group_member(struct wpa_supplicant *wpa_s, const char *cmd,
6454 				 char *buf, size_t buflen)
6455 {
6456 	u8 dev_addr[ETH_ALEN];
6457 	struct wpa_ssid *ssid;
6458 	int res;
6459 	const u8 *iaddr;
6460 
6461 	ssid = wpa_s->current_ssid;
6462 	if (!wpa_s->global->p2p || !ssid || ssid->mode != WPAS_MODE_P2P_GO ||
6463 	    hwaddr_aton(cmd, dev_addr))
6464 		return -1;
6465 
6466 	iaddr = p2p_group_get_client_interface_addr(wpa_s->p2p_group, dev_addr);
6467 	if (!iaddr)
6468 		return -1;
6469 	res = os_snprintf(buf, buflen, MACSTR, MAC2STR(iaddr));
6470 	if (os_snprintf_error(buflen, res))
6471 		return -1;
6472 	return res;
6473 }
6474 
6475 
wpas_find_p2p_dev_addr_bss(struct wpa_global * global,const u8 * p2p_dev_addr)6476 static int wpas_find_p2p_dev_addr_bss(struct wpa_global *global,
6477 				      const u8 *p2p_dev_addr)
6478 {
6479 	struct wpa_supplicant *wpa_s;
6480 
6481 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6482 		if (wpa_bss_get_p2p_dev_addr(wpa_s, p2p_dev_addr))
6483 			return 1;
6484 	}
6485 
6486 	return 0;
6487 }
6488 
6489 
p2p_ctrl_peer(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)6490 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
6491 			 char *buf, size_t buflen)
6492 {
6493 	u8 addr[ETH_ALEN], *addr_ptr, group_capab;
6494 	int next, res;
6495 	const struct p2p_peer_info *info;
6496 	char *pos, *end;
6497 	char devtype[WPS_DEV_TYPE_BUFSIZE];
6498 	struct wpa_ssid *ssid;
6499 	size_t i;
6500 
6501 	if (!wpa_s->global->p2p)
6502 		return -1;
6503 
6504 	if (os_strcmp(cmd, "FIRST") == 0) {
6505 		addr_ptr = NULL;
6506 		next = 0;
6507 	} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
6508 		if (hwaddr_aton(cmd + 5, addr) < 0)
6509 			return -1;
6510 		addr_ptr = addr;
6511 		next = 1;
6512 	} else {
6513 		if (hwaddr_aton(cmd, addr) < 0)
6514 			return -1;
6515 		addr_ptr = addr;
6516 		next = 0;
6517 	}
6518 
6519 	info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
6520 	if (info == NULL)
6521 		return -1;
6522 	group_capab = info->group_capab;
6523 
6524 	if (group_capab &&
6525 	    !wpas_find_p2p_dev_addr_bss(wpa_s->global, info->p2p_device_addr)) {
6526 		wpa_printf(MSG_DEBUG,
6527 			   "P2P: Could not find any BSS with p2p_dev_addr "
6528 			   MACSTR ", hence override group_capab from 0x%x to 0",
6529 			   MAC2STR(info->p2p_device_addr), group_capab);
6530 		group_capab = 0;
6531 	}
6532 
6533 	pos = buf;
6534 	end = buf + buflen;
6535 
6536 	res = os_snprintf(pos, end - pos, MACSTR "\n"
6537 			  "pri_dev_type=%s\n"
6538 			  "device_name=%s\n"
6539 			  "manufacturer=%s\n"
6540 			  "model_name=%s\n"
6541 			  "model_number=%s\n"
6542 			  "serial_number=%s\n"
6543 			  "config_methods=0x%x\n"
6544 			  "dev_capab=0x%x\n"
6545 			  "group_capab=0x%x\n"
6546 			  "level=%d\n",
6547 			  MAC2STR(info->p2p_device_addr),
6548 			  wps_dev_type_bin2str(info->pri_dev_type,
6549 					       devtype, sizeof(devtype)),
6550 			  info->device_name,
6551 			  info->manufacturer,
6552 			  info->model_name,
6553 			  info->model_number,
6554 			  info->serial_number,
6555 			  info->config_methods,
6556 			  info->dev_capab,
6557 			  group_capab,
6558 			  info->level);
6559 	if (os_snprintf_error(end - pos, res))
6560 		return pos - buf;
6561 	pos += res;
6562 
6563 	for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
6564 	{
6565 		const u8 *t;
6566 		t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
6567 		res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
6568 				  wps_dev_type_bin2str(t, devtype,
6569 						       sizeof(devtype)));
6570 		if (os_snprintf_error(end - pos, res))
6571 			return pos - buf;
6572 		pos += res;
6573 	}
6574 
6575 	ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
6576 	if (ssid) {
6577 		res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
6578 		if (os_snprintf_error(end - pos, res))
6579 			return pos - buf;
6580 		pos += res;
6581 	}
6582 
6583 	res = p2p_get_peer_info_txt(info, pos, end - pos);
6584 	if (res < 0)
6585 		return pos - buf;
6586 	pos += res;
6587 
6588 	if (info->vendor_elems) {
6589 		res = os_snprintf(pos, end - pos, "vendor_elems=");
6590 		if (os_snprintf_error(end - pos, res))
6591 			return pos - buf;
6592 		pos += res;
6593 
6594 		pos += wpa_snprintf_hex(pos, end - pos,
6595 					wpabuf_head(info->vendor_elems),
6596 					wpabuf_len(info->vendor_elems));
6597 
6598 		res = os_snprintf(pos, end - pos, "\n");
6599 		if (os_snprintf_error(end - pos, res))
6600 			return pos - buf;
6601 		pos += res;
6602 	}
6603 
6604 	return pos - buf;
6605 }
6606 
6607 
p2p_ctrl_disallow_freq(struct wpa_supplicant * wpa_s,const char * param)6608 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
6609 				  const char *param)
6610 {
6611 	unsigned int i;
6612 
6613 	if (wpa_s->global->p2p == NULL)
6614 		return -1;
6615 
6616 	if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
6617 		return -1;
6618 
6619 	for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
6620 		struct wpa_freq_range *freq;
6621 		freq = &wpa_s->global->p2p_disallow_freq.range[i];
6622 		wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
6623 			   freq->min, freq->max);
6624 	}
6625 
6626 	wpas_p2p_update_channel_list(wpa_s, WPAS_P2P_CHANNEL_UPDATE_DISALLOW);
6627 	return 0;
6628 }
6629 
6630 
p2p_ctrl_set(struct wpa_supplicant * wpa_s,char * cmd)6631 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
6632 {
6633 	char *param;
6634 
6635 	if (wpa_s->global->p2p == NULL)
6636 		return -1;
6637 
6638 	param = os_strchr(cmd, ' ');
6639 	if (param == NULL)
6640 		return -1;
6641 	*param++ = '\0';
6642 
6643 	if (os_strcmp(cmd, "discoverability") == 0) {
6644 		p2p_set_client_discoverability(wpa_s->global->p2p,
6645 					       atoi(param));
6646 		return 0;
6647 	}
6648 
6649 	if (os_strcmp(cmd, "managed") == 0) {
6650 		p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
6651 		return 0;
6652 	}
6653 
6654 	if (os_strcmp(cmd, "listen_channel") == 0) {
6655 		char *pos;
6656 		u8 channel, op_class;
6657 
6658 		channel = atoi(param);
6659 		pos = os_strchr(param, ' ');
6660 		op_class = pos ? atoi(pos) : 81;
6661 
6662 		return p2p_set_listen_channel(wpa_s->global->p2p, op_class,
6663 					      channel, 1);
6664 	}
6665 
6666 	if (os_strcmp(cmd, "ssid_postfix") == 0) {
6667 		return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
6668 					    os_strlen(param));
6669 	}
6670 
6671 	if (os_strcmp(cmd, "noa") == 0) {
6672 		char *pos;
6673 		int count, start, duration;
6674 		/* GO NoA parameters: count,start_offset(ms),duration(ms) */
6675 		count = atoi(param);
6676 		pos = os_strchr(param, ',');
6677 		if (pos == NULL)
6678 			return -1;
6679 		pos++;
6680 		start = atoi(pos);
6681 		pos = os_strchr(pos, ',');
6682 		if (pos == NULL)
6683 			return -1;
6684 		pos++;
6685 		duration = atoi(pos);
6686 		if (count < 0 || count > 255 || start < 0 || duration < 0)
6687 			return -1;
6688 		if (count == 0 && duration > 0)
6689 			return -1;
6690 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
6691 			   "start=%d duration=%d", count, start, duration);
6692 		return wpas_p2p_set_noa(wpa_s, count, start, duration);
6693 	}
6694 
6695 	if (os_strcmp(cmd, "ps") == 0)
6696 		return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
6697 
6698 	if (os_strcmp(cmd, "oppps") == 0)
6699 		return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
6700 
6701 	if (os_strcmp(cmd, "ctwindow") == 0)
6702 		return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
6703 
6704 	if (os_strcmp(cmd, "disabled") == 0) {
6705 		wpa_s->global->p2p_disabled = atoi(param);
6706 		wpa_printf(MSG_DEBUG, "P2P functionality %s",
6707 			   wpa_s->global->p2p_disabled ?
6708 			   "disabled" : "enabled");
6709 		if (wpa_s->global->p2p_disabled) {
6710 			wpas_p2p_stop_find(wpa_s);
6711 			os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6712 			p2p_flush(wpa_s->global->p2p);
6713 		}
6714 		return 0;
6715 	}
6716 
6717 	if (os_strcmp(cmd, "conc_pref") == 0) {
6718 		if (os_strcmp(param, "sta") == 0)
6719 			wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
6720 		else if (os_strcmp(param, "p2p") == 0)
6721 			wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
6722 		else {
6723 			wpa_printf(MSG_INFO, "Invalid conc_pref value");
6724 			return -1;
6725 		}
6726 		wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
6727 			   "%s", param);
6728 		return 0;
6729 	}
6730 
6731 	if (os_strcmp(cmd, "force_long_sd") == 0) {
6732 		wpa_s->force_long_sd = atoi(param);
6733 		return 0;
6734 	}
6735 
6736 	if (os_strcmp(cmd, "peer_filter") == 0) {
6737 		u8 addr[ETH_ALEN];
6738 		if (hwaddr_aton(param, addr))
6739 			return -1;
6740 		p2p_set_peer_filter(wpa_s->global->p2p, addr);
6741 		return 0;
6742 	}
6743 
6744 	if (os_strcmp(cmd, "cross_connect") == 0)
6745 		return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
6746 
6747 	if (os_strcmp(cmd, "go_apsd") == 0) {
6748 		if (os_strcmp(param, "disable") == 0)
6749 			wpa_s->set_ap_uapsd = 0;
6750 		else {
6751 			wpa_s->set_ap_uapsd = 1;
6752 			wpa_s->ap_uapsd = atoi(param);
6753 		}
6754 		return 0;
6755 	}
6756 
6757 	if (os_strcmp(cmd, "client_apsd") == 0) {
6758 		if (os_strcmp(param, "disable") == 0)
6759 			wpa_s->set_sta_uapsd = 0;
6760 		else {
6761 			int be, bk, vi, vo;
6762 			char *pos;
6763 			/* format: BE,BK,VI,VO;max SP Length */
6764 			be = atoi(param);
6765 			pos = os_strchr(param, ',');
6766 			if (pos == NULL)
6767 				return -1;
6768 			pos++;
6769 			bk = atoi(pos);
6770 			pos = os_strchr(pos, ',');
6771 			if (pos == NULL)
6772 				return -1;
6773 			pos++;
6774 			vi = atoi(pos);
6775 			pos = os_strchr(pos, ',');
6776 			if (pos == NULL)
6777 				return -1;
6778 			pos++;
6779 			vo = atoi(pos);
6780 			/* ignore max SP Length for now */
6781 
6782 			wpa_s->set_sta_uapsd = 1;
6783 			wpa_s->sta_uapsd = 0;
6784 			if (be)
6785 				wpa_s->sta_uapsd |= BIT(0);
6786 			if (bk)
6787 				wpa_s->sta_uapsd |= BIT(1);
6788 			if (vi)
6789 				wpa_s->sta_uapsd |= BIT(2);
6790 			if (vo)
6791 				wpa_s->sta_uapsd |= BIT(3);
6792 		}
6793 		return 0;
6794 	}
6795 
6796 	if (os_strcmp(cmd, "disallow_freq") == 0)
6797 		return p2p_ctrl_disallow_freq(wpa_s, param);
6798 
6799 	if (os_strcmp(cmd, "disc_int") == 0) {
6800 		int min_disc_int, max_disc_int, max_disc_tu;
6801 		char *pos;
6802 
6803 		pos = param;
6804 
6805 		min_disc_int = atoi(pos);
6806 		pos = os_strchr(pos, ' ');
6807 		if (pos == NULL)
6808 			return -1;
6809 		*pos++ = '\0';
6810 
6811 		max_disc_int = atoi(pos);
6812 		pos = os_strchr(pos, ' ');
6813 		if (pos == NULL)
6814 			return -1;
6815 		*pos++ = '\0';
6816 
6817 		max_disc_tu = atoi(pos);
6818 
6819 		return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
6820 					max_disc_int, max_disc_tu);
6821 	}
6822 
6823 	if (os_strcmp(cmd, "per_sta_psk") == 0) {
6824 		wpa_s->global->p2p_per_sta_psk = !!atoi(param);
6825 		return 0;
6826 	}
6827 
6828 #ifdef CONFIG_WPS_NFC
6829 	if (os_strcmp(cmd, "nfc_tag") == 0)
6830 		return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
6831 #endif /* CONFIG_WPS_NFC */
6832 
6833 	if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
6834 		wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
6835 		return 0;
6836 	}
6837 
6838 	if (os_strcmp(cmd, "override_pref_op_chan") == 0) {
6839 		int op_class, chan;
6840 
6841 		op_class = atoi(param);
6842 		param = os_strchr(param, ':');
6843 		if (!param)
6844 			return -1;
6845 		param++;
6846 		chan = atoi(param);
6847 		p2p_set_override_pref_op_chan(wpa_s->global->p2p, op_class,
6848 					      chan);
6849 		return 0;
6850 	}
6851 
6852 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
6853 		   cmd);
6854 
6855 	return -1;
6856 }
6857 
6858 
p2p_ctrl_flush(struct wpa_supplicant * wpa_s)6859 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
6860 {
6861 	os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
6862 	wpa_s->force_long_sd = 0;
6863 
6864 #ifdef CONFIG_TESTING_OPTIONS
6865 	os_free(wpa_s->get_pref_freq_list_override);
6866 	wpa_s->get_pref_freq_list_override = NULL;
6867 #endif /* CONFIG_TESTING_OPTIONS */
6868 
6869 	wpas_p2p_stop_find(wpa_s);
6870 	wpa_s->parent->p2ps_method_config_any = 0;
6871 	if (wpa_s->global->p2p)
6872 		p2p_flush(wpa_s->global->p2p);
6873 }
6874 
6875 
p2p_ctrl_presence_req(struct wpa_supplicant * wpa_s,char * cmd)6876 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
6877 {
6878 	char *pos, *pos2;
6879 	unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
6880 
6881 	if (cmd[0]) {
6882 		pos = os_strchr(cmd, ' ');
6883 		if (pos == NULL)
6884 			return -1;
6885 		*pos++ = '\0';
6886 		dur1 = atoi(cmd);
6887 
6888 		pos2 = os_strchr(pos, ' ');
6889 		if (pos2)
6890 			*pos2++ = '\0';
6891 		int1 = atoi(pos);
6892 	} else
6893 		pos2 = NULL;
6894 
6895 	if (pos2) {
6896 		pos = os_strchr(pos2, ' ');
6897 		if (pos == NULL)
6898 			return -1;
6899 		*pos++ = '\0';
6900 		dur2 = atoi(pos2);
6901 		int2 = atoi(pos);
6902 	}
6903 
6904 	return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
6905 }
6906 
6907 
p2p_ctrl_ext_listen(struct wpa_supplicant * wpa_s,char * cmd)6908 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
6909 {
6910 	char *pos;
6911 	unsigned int period = 0, interval = 0;
6912 
6913 	if (cmd[0]) {
6914 		pos = os_strchr(cmd, ' ');
6915 		if (pos == NULL)
6916 			return -1;
6917 		*pos++ = '\0';
6918 		period = atoi(cmd);
6919 		interval = atoi(pos);
6920 	}
6921 
6922 	return wpas_p2p_ext_listen(wpa_s, period, interval);
6923 }
6924 
6925 
p2p_ctrl_remove_client(struct wpa_supplicant * wpa_s,const char * cmd)6926 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
6927 {
6928 	const char *pos;
6929 	u8 peer[ETH_ALEN];
6930 	int iface_addr = 0;
6931 
6932 	pos = cmd;
6933 	if (os_strncmp(pos, "iface=", 6) == 0) {
6934 		iface_addr = 1;
6935 		pos += 6;
6936 	}
6937 	if (hwaddr_aton(pos, peer))
6938 		return -1;
6939 
6940 	wpas_p2p_remove_client(wpa_s, peer, iface_addr);
6941 	return 0;
6942 }
6943 
6944 
p2p_ctrl_iface_p2p_lo_start(struct wpa_supplicant * wpa_s,char * cmd)6945 static int p2p_ctrl_iface_p2p_lo_start(struct wpa_supplicant *wpa_s, char *cmd)
6946 {
6947 	int freq = 0, period = 0, interval = 0, count = 0;
6948 
6949 	if (sscanf(cmd, "%d %d %d %d", &freq, &period, &interval, &count) != 4)
6950 	{
6951 		wpa_printf(MSG_DEBUG,
6952 			   "CTRL: Invalid P2P LO Start parameter: '%s'", cmd);
6953 		return -1;
6954 	}
6955 
6956 	return wpas_p2p_lo_start(wpa_s, freq, period, interval, count);
6957 }
6958 
6959 #endif /* CONFIG_P2P */
6960 
6961 
freq_range_to_channel_list(struct wpa_supplicant * wpa_s,char * val)6962 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
6963 {
6964 	struct wpa_freq_range_list ranges;
6965 	int *freqs = NULL;
6966 	struct hostapd_hw_modes *mode;
6967 	u16 i;
6968 
6969 	if (wpa_s->hw.modes == NULL)
6970 		return NULL;
6971 
6972 	os_memset(&ranges, 0, sizeof(ranges));
6973 	if (freq_range_list_parse(&ranges, val) < 0)
6974 		return NULL;
6975 
6976 	for (i = 0; i < wpa_s->hw.num_modes; i++) {
6977 		int j;
6978 
6979 		mode = &wpa_s->hw.modes[i];
6980 		for (j = 0; j < mode->num_channels; j++) {
6981 			unsigned int freq;
6982 
6983 			if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
6984 				continue;
6985 
6986 			freq = mode->channels[j].freq;
6987 			if (!freq_range_list_includes(&ranges, freq))
6988 				continue;
6989 
6990 			int_array_add_unique(&freqs, freq);
6991 		}
6992 	}
6993 
6994 	os_free(ranges.range);
6995 	return freqs;
6996 }
6997 
6998 
6999 #ifdef CONFIG_INTERWORKING
7000 
ctrl_interworking_select(struct wpa_supplicant * wpa_s,char * param)7001 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
7002 {
7003 	int auto_sel = 0;
7004 	int *freqs = NULL;
7005 
7006 	if (param) {
7007 		char *pos;
7008 
7009 		auto_sel = os_strstr(param, "auto") != NULL;
7010 
7011 		pos = os_strstr(param, "freq=");
7012 		if (pos) {
7013 			freqs = freq_range_to_channel_list(wpa_s, pos + 5);
7014 			if (freqs == NULL)
7015 				return -1;
7016 		}
7017 
7018 	}
7019 
7020 	return interworking_select(wpa_s, auto_sel, freqs);
7021 }
7022 
7023 
ctrl_interworking_connect(struct wpa_supplicant * wpa_s,char * dst,int only_add)7024 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
7025 				     int only_add)
7026 {
7027 	u8 bssid[ETH_ALEN];
7028 	struct wpa_bss *bss;
7029 
7030 	if (hwaddr_aton(dst, bssid)) {
7031 		wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
7032 		return -1;
7033 	}
7034 
7035 	bss = wpa_bss_get_bssid(wpa_s, bssid);
7036 	if (bss == NULL) {
7037 		wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
7038 			   MAC2STR(bssid));
7039 		return -1;
7040 	}
7041 
7042 	if (bss->ssid_len == 0) {
7043 		int found = 0;
7044 
7045 		wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
7046 			   " does not have SSID information", MAC2STR(bssid));
7047 
7048 		dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
7049 					 list) {
7050 			if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
7051 			    bss->ssid_len > 0) {
7052 				found = 1;
7053 				break;
7054 			}
7055 		}
7056 
7057 		if (!found)
7058 			return -1;
7059 		wpa_printf(MSG_DEBUG,
7060 			   "Found another matching BSS entry with SSID");
7061 	}
7062 
7063 	return interworking_connect(wpa_s, bss, only_add);
7064 }
7065 
7066 
get_anqp(struct wpa_supplicant * wpa_s,char * dst)7067 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
7068 {
7069 	u8 dst_addr[ETH_ALEN];
7070 	int used;
7071 	char *pos;
7072 #define MAX_ANQP_INFO_ID 100
7073 	u16 id[MAX_ANQP_INFO_ID];
7074 	size_t num_id = 0;
7075 	u32 subtypes = 0;
7076 	u32 mbo_subtypes = 0;
7077 
7078 	used = hwaddr_aton2(dst, dst_addr);
7079 	if (used < 0)
7080 		return -1;
7081 	pos = dst + used;
7082 	if (*pos == ' ')
7083 		pos++;
7084 	while (num_id < MAX_ANQP_INFO_ID) {
7085 		if (os_strncmp(pos, "hs20:", 5) == 0) {
7086 #ifdef CONFIG_HS20
7087 			int num = atoi(pos + 5);
7088 			if (num <= 0 || num > 31)
7089 				return -1;
7090 			subtypes |= BIT(num);
7091 #else /* CONFIG_HS20 */
7092 			return -1;
7093 #endif /* CONFIG_HS20 */
7094 		} else if (os_strncmp(pos, "mbo:", 4) == 0) {
7095 #ifdef CONFIG_MBO
7096 			int num = atoi(pos + 4);
7097 
7098 			if (num <= 0 || num > MAX_MBO_ANQP_SUBTYPE)
7099 				return -1;
7100 			mbo_subtypes |= BIT(num);
7101 #else /* CONFIG_MBO */
7102 			return -1;
7103 #endif /* CONFIG_MBO */
7104 		} else {
7105 			id[num_id] = atoi(pos);
7106 			if (id[num_id])
7107 				num_id++;
7108 		}
7109 		pos = os_strchr(pos + 1, ',');
7110 		if (pos == NULL)
7111 			break;
7112 		pos++;
7113 	}
7114 
7115 	if (num_id == 0 && !subtypes && !mbo_subtypes)
7116 		return -1;
7117 
7118 	return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes,
7119 			     mbo_subtypes);
7120 }
7121 
7122 
gas_request(struct wpa_supplicant * wpa_s,char * cmd)7123 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
7124 {
7125 	u8 dst_addr[ETH_ALEN];
7126 	struct wpabuf *advproto, *query = NULL;
7127 	int used, ret = -1;
7128 	char *pos, *end;
7129 	size_t len;
7130 
7131 	used = hwaddr_aton2(cmd, dst_addr);
7132 	if (used < 0)
7133 		return -1;
7134 
7135 	pos = cmd + used;
7136 	while (*pos == ' ')
7137 		pos++;
7138 
7139 	/* Advertisement Protocol ID */
7140 	end = os_strchr(pos, ' ');
7141 	if (end)
7142 		len = end - pos;
7143 	else
7144 		len = os_strlen(pos);
7145 	if (len & 0x01)
7146 		return -1;
7147 	len /= 2;
7148 	if (len == 0)
7149 		return -1;
7150 	advproto = wpabuf_alloc(len);
7151 	if (advproto == NULL)
7152 		return -1;
7153 	if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
7154 		goto fail;
7155 
7156 	if (end) {
7157 		/* Optional Query Request */
7158 		pos = end + 1;
7159 		while (*pos == ' ')
7160 			pos++;
7161 
7162 		len = os_strlen(pos);
7163 		if (len) {
7164 			if (len & 0x01)
7165 				goto fail;
7166 			len /= 2;
7167 			if (len == 0)
7168 				goto fail;
7169 			query = wpabuf_alloc(len);
7170 			if (query == NULL)
7171 				goto fail;
7172 			if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
7173 				goto fail;
7174 		}
7175 	}
7176 
7177 	ret = gas_send_request(wpa_s, dst_addr, advproto, query);
7178 
7179 fail:
7180 	wpabuf_free(advproto);
7181 	wpabuf_free(query);
7182 
7183 	return ret;
7184 }
7185 
7186 
gas_response_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7187 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
7188 			    size_t buflen)
7189 {
7190 	u8 addr[ETH_ALEN];
7191 	int dialog_token;
7192 	int used;
7193 	char *pos;
7194 	size_t resp_len, start, requested_len;
7195 	struct wpabuf *resp;
7196 	int ret;
7197 
7198 	used = hwaddr_aton2(cmd, addr);
7199 	if (used < 0)
7200 		return -1;
7201 
7202 	pos = cmd + used;
7203 	while (*pos == ' ')
7204 		pos++;
7205 	dialog_token = atoi(pos);
7206 
7207 	if (wpa_s->last_gas_resp &&
7208 	    os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
7209 	    dialog_token == wpa_s->last_gas_dialog_token)
7210 		resp = wpa_s->last_gas_resp;
7211 	else if (wpa_s->prev_gas_resp &&
7212 		 os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
7213 		 dialog_token == wpa_s->prev_gas_dialog_token)
7214 		resp = wpa_s->prev_gas_resp;
7215 	else
7216 		return -1;
7217 
7218 	resp_len = wpabuf_len(resp);
7219 	start = 0;
7220 	requested_len = resp_len;
7221 
7222 	pos = os_strchr(pos, ' ');
7223 	if (pos) {
7224 		start = atoi(pos);
7225 		if (start > resp_len)
7226 			return os_snprintf(buf, buflen, "FAIL-Invalid range");
7227 		pos = os_strchr(pos, ',');
7228 		if (pos == NULL)
7229 			return -1;
7230 		pos++;
7231 		requested_len = atoi(pos);
7232 		if (start + requested_len > resp_len)
7233 			return os_snprintf(buf, buflen, "FAIL-Invalid range");
7234 	}
7235 
7236 	if (requested_len * 2 + 1 > buflen)
7237 		return os_snprintf(buf, buflen, "FAIL-Too long response");
7238 
7239 	ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
7240 			       requested_len);
7241 
7242 	if (start + requested_len == resp_len) {
7243 		/*
7244 		 * Free memory by dropping the response after it has been
7245 		 * fetched.
7246 		 */
7247 		if (resp == wpa_s->prev_gas_resp) {
7248 			wpabuf_free(wpa_s->prev_gas_resp);
7249 			wpa_s->prev_gas_resp = NULL;
7250 		} else {
7251 			wpabuf_free(wpa_s->last_gas_resp);
7252 			wpa_s->last_gas_resp = NULL;
7253 		}
7254 	}
7255 
7256 	return ret;
7257 }
7258 #endif /* CONFIG_INTERWORKING */
7259 
7260 
7261 #ifdef CONFIG_HS20
7262 
get_hs20_anqp(struct wpa_supplicant * wpa_s,char * dst)7263 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
7264 {
7265 	u8 dst_addr[ETH_ALEN];
7266 	int used;
7267 	char *pos;
7268 	u32 subtypes = 0;
7269 
7270 	used = hwaddr_aton2(dst, dst_addr);
7271 	if (used < 0)
7272 		return -1;
7273 	pos = dst + used;
7274 	if (*pos == ' ')
7275 		pos++;
7276 	for (;;) {
7277 		int num = atoi(pos);
7278 		if (num <= 0 || num > 31)
7279 			return -1;
7280 		subtypes |= BIT(num);
7281 		pos = os_strchr(pos + 1, ',');
7282 		if (pos == NULL)
7283 			break;
7284 		pos++;
7285 	}
7286 
7287 	if (subtypes == 0)
7288 		return -1;
7289 
7290 	return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0, 0);
7291 }
7292 
7293 
hs20_nai_home_realm_list(struct wpa_supplicant * wpa_s,const u8 * addr,const char * realm)7294 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
7295 				    const u8 *addr, const char *realm)
7296 {
7297 	u8 *buf;
7298 	size_t rlen, len;
7299 	int ret;
7300 
7301 	rlen = os_strlen(realm);
7302 	len = 3 + rlen;
7303 	buf = os_malloc(len);
7304 	if (buf == NULL)
7305 		return -1;
7306 	buf[0] = 1; /* NAI Home Realm Count */
7307 	buf[1] = 0; /* Formatted in accordance with RFC 4282 */
7308 	buf[2] = rlen;
7309 	os_memcpy(buf + 3, realm, rlen);
7310 
7311 	ret = hs20_anqp_send_req(wpa_s, addr,
7312 				 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
7313 				 buf, len, 0);
7314 
7315 	os_free(buf);
7316 
7317 	return ret;
7318 }
7319 
7320 
hs20_get_nai_home_realm_list(struct wpa_supplicant * wpa_s,char * dst)7321 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
7322 					char *dst)
7323 {
7324 	struct wpa_cred *cred = wpa_s->conf->cred;
7325 	u8 dst_addr[ETH_ALEN];
7326 	int used;
7327 	u8 *buf;
7328 	size_t len;
7329 	int ret;
7330 
7331 	used = hwaddr_aton2(dst, dst_addr);
7332 	if (used < 0)
7333 		return -1;
7334 
7335 	while (dst[used] == ' ')
7336 		used++;
7337 	if (os_strncmp(dst + used, "realm=", 6) == 0)
7338 		return hs20_nai_home_realm_list(wpa_s, dst_addr,
7339 						dst + used + 6);
7340 
7341 	len = os_strlen(dst + used);
7342 
7343 	if (len == 0 && cred && cred->realm)
7344 		return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
7345 
7346 	if (len & 1)
7347 		return -1;
7348 	len /= 2;
7349 	buf = os_malloc(len);
7350 	if (buf == NULL)
7351 		return -1;
7352 	if (hexstr2bin(dst + used, buf, len) < 0) {
7353 		os_free(buf);
7354 		return -1;
7355 	}
7356 
7357 	ret = hs20_anqp_send_req(wpa_s, dst_addr,
7358 				 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
7359 				 buf, len, 0);
7360 	os_free(buf);
7361 
7362 	return ret;
7363 }
7364 
7365 
get_hs20_icon(struct wpa_supplicant * wpa_s,char * cmd,char * reply,int buflen)7366 static int get_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd, char *reply,
7367 			 int buflen)
7368 {
7369 	u8 dst_addr[ETH_ALEN];
7370 	int used;
7371 	char *ctx = NULL, *icon, *poffset, *psize;
7372 
7373 	used = hwaddr_aton2(cmd, dst_addr);
7374 	if (used < 0)
7375 		return -1;
7376 	cmd += used;
7377 
7378 	icon = str_token(cmd, " ", &ctx);
7379 	poffset = str_token(cmd, " ", &ctx);
7380 	psize = str_token(cmd, " ", &ctx);
7381 	if (!icon || !poffset || !psize)
7382 		return -1;
7383 
7384 	wpa_s->fetch_osu_icon_in_progress = 0;
7385 	return hs20_get_icon(wpa_s, dst_addr, icon, atoi(poffset), atoi(psize),
7386 			     reply, buflen);
7387 }
7388 
7389 
del_hs20_icon(struct wpa_supplicant * wpa_s,char * cmd)7390 static int del_hs20_icon(struct wpa_supplicant *wpa_s, char *cmd)
7391 {
7392 	u8 dst_addr[ETH_ALEN];
7393 	int used;
7394 	char *icon;
7395 
7396 	if (!cmd[0])
7397 		return hs20_del_icon(wpa_s, NULL, NULL);
7398 
7399 	used = hwaddr_aton2(cmd, dst_addr);
7400 	if (used < 0)
7401 		return -1;
7402 
7403 	while (cmd[used] == ' ')
7404 		used++;
7405 	icon = cmd[used] ? &cmd[used] : NULL;
7406 
7407 	return hs20_del_icon(wpa_s, dst_addr, icon);
7408 }
7409 
7410 
hs20_icon_request(struct wpa_supplicant * wpa_s,char * cmd,int inmem)7411 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd, int inmem)
7412 {
7413 	u8 dst_addr[ETH_ALEN];
7414 	int used;
7415 	char *icon;
7416 
7417 	used = hwaddr_aton2(cmd, dst_addr);
7418 	if (used < 0)
7419 		return -1;
7420 
7421 	while (cmd[used] == ' ')
7422 		used++;
7423 	icon = &cmd[used];
7424 
7425 	wpa_s->fetch_osu_icon_in_progress = 0;
7426 	return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
7427 				  (u8 *) icon, os_strlen(icon), inmem);
7428 }
7429 
7430 #endif /* CONFIG_HS20 */
7431 
7432 
7433 #ifdef CONFIG_AUTOSCAN
7434 
wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant * wpa_s,char * cmd)7435 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
7436 					      char *cmd)
7437 {
7438 	enum wpa_states state = wpa_s->wpa_state;
7439 	char *new_params = NULL;
7440 
7441 	if (os_strlen(cmd) > 0) {
7442 		new_params = os_strdup(cmd);
7443 		if (new_params == NULL)
7444 			return -1;
7445 	}
7446 
7447 	os_free(wpa_s->conf->autoscan);
7448 	wpa_s->conf->autoscan = new_params;
7449 
7450 	if (wpa_s->conf->autoscan == NULL)
7451 		autoscan_deinit(wpa_s);
7452 	else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
7453 		autoscan_init(wpa_s, 1);
7454 	else if (state == WPA_SCANNING)
7455 		wpa_supplicant_reinit_autoscan(wpa_s);
7456 	else
7457 		wpa_printf(MSG_DEBUG, "No autoscan update in state %s",
7458 			   wpa_supplicant_state_txt(state));
7459 
7460 	return 0;
7461 }
7462 
7463 #endif /* CONFIG_AUTOSCAN */
7464 
7465 
7466 #ifdef CONFIG_WNM
7467 
wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant * wpa_s,char * cmd)7468 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
7469 {
7470 	int enter;
7471 	int intval = 0;
7472 	char *pos;
7473 	int ret;
7474 	struct wpabuf *tfs_req = NULL;
7475 
7476 	if (os_strncmp(cmd, "enter", 5) == 0)
7477 		enter = 1;
7478 	else if (os_strncmp(cmd, "exit", 4) == 0)
7479 		enter = 0;
7480 	else
7481 		return -1;
7482 
7483 	pos = os_strstr(cmd, " interval=");
7484 	if (pos)
7485 		intval = atoi(pos + 10);
7486 
7487 	pos = os_strstr(cmd, " tfs_req=");
7488 	if (pos) {
7489 		char *end;
7490 		size_t len;
7491 		pos += 9;
7492 		end = os_strchr(pos, ' ');
7493 		if (end)
7494 			len = end - pos;
7495 		else
7496 			len = os_strlen(pos);
7497 		if (len & 1)
7498 			return -1;
7499 		len /= 2;
7500 		tfs_req = wpabuf_alloc(len);
7501 		if (tfs_req == NULL)
7502 			return -1;
7503 		if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
7504 			wpabuf_free(tfs_req);
7505 			return -1;
7506 		}
7507 	}
7508 
7509 	ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
7510 					   WNM_SLEEP_MODE_EXIT, intval,
7511 					   tfs_req);
7512 	wpabuf_free(tfs_req);
7513 
7514 	return ret;
7515 }
7516 
7517 
wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant * wpa_s,char * cmd)7518 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
7519 {
7520 	int query_reason, list = 0;
7521 	char *btm_candidates = NULL;
7522 
7523 	query_reason = atoi(cmd);
7524 
7525 	cmd = os_strchr(cmd, ' ');
7526 	if (cmd) {
7527 		if (os_strncmp(cmd, " list", 5) == 0)
7528 			list = 1;
7529 		else
7530 			btm_candidates = cmd;
7531 	}
7532 
7533 	wpa_printf(MSG_DEBUG,
7534 		   "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d%s",
7535 		   query_reason, list ? " candidate list" : "");
7536 
7537 	return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason,
7538 						  btm_candidates,
7539 						  list);
7540 }
7541 
7542 
wpas_ctrl_iface_coloc_intf_report(struct wpa_supplicant * wpa_s,char * cmd)7543 static int wpas_ctrl_iface_coloc_intf_report(struct wpa_supplicant *wpa_s,
7544 					     char *cmd)
7545 {
7546 	struct wpabuf *elems;
7547 	int ret;
7548 
7549 	elems = wpabuf_parse_bin(cmd);
7550 	if (!elems)
7551 		return -1;
7552 
7553 	ret = wnm_send_coloc_intf_report(wpa_s, 0, elems);
7554 	wpabuf_free(elems);
7555 	return ret;
7556 }
7557 
7558 #endif /* CONFIG_WNM */
7559 
7560 
wpa_supplicant_signal_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)7561 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
7562 				      size_t buflen)
7563 {
7564 	struct wpa_signal_info si;
7565 	int ret;
7566 	char *pos, *end;
7567 
7568 	ret = wpa_drv_signal_poll(wpa_s, &si);
7569 	if (ret)
7570 		return -1;
7571 
7572 	pos = buf;
7573 	end = buf + buflen;
7574 
7575 	ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
7576 			  "NOISE=%d\nFREQUENCY=%u\n",
7577 			  si.current_signal, si.current_txrate / 1000,
7578 			  si.current_noise, si.frequency);
7579 	if (os_snprintf_error(end - pos, ret))
7580 		return -1;
7581 	pos += ret;
7582 
7583 	if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
7584 		ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
7585 				  channel_width_to_string(si.chanwidth));
7586 		if (os_snprintf_error(end - pos, ret))
7587 			return -1;
7588 		pos += ret;
7589 	}
7590 
7591 	if (si.center_frq1 > 0) {
7592 		ret = os_snprintf(pos, end - pos, "CENTER_FRQ1=%d\n",
7593 				  si.center_frq1);
7594 		if (os_snprintf_error(end - pos, ret))
7595 			return -1;
7596 		pos += ret;
7597 	}
7598 
7599 	if (si.center_frq2 > 0) {
7600 		ret = os_snprintf(pos, end - pos, "CENTER_FRQ2=%d\n",
7601 				  si.center_frq2);
7602 		if (os_snprintf_error(end - pos, ret))
7603 			return -1;
7604 		pos += ret;
7605 	}
7606 
7607 	if (si.avg_signal) {
7608 		ret = os_snprintf(pos, end - pos,
7609 				  "AVG_RSSI=%d\n", si.avg_signal);
7610 		if (os_snprintf_error(end - pos, ret))
7611 			return -1;
7612 		pos += ret;
7613 	}
7614 
7615 	if (si.avg_beacon_signal) {
7616 		ret = os_snprintf(pos, end - pos,
7617 				  "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
7618 		if (os_snprintf_error(end - pos, ret))
7619 			return -1;
7620 		pos += ret;
7621 	}
7622 
7623 	return pos - buf;
7624 }
7625 
7626 
wpas_ctrl_iface_signal_monitor(struct wpa_supplicant * wpa_s,const char * cmd)7627 static int wpas_ctrl_iface_signal_monitor(struct wpa_supplicant *wpa_s,
7628 					  const char *cmd)
7629 {
7630 	const char *pos;
7631 	int threshold = 0;
7632 	int hysteresis = 0;
7633 
7634 	if (wpa_s->bgscan && wpa_s->bgscan_priv) {
7635 		wpa_printf(MSG_DEBUG,
7636 			   "Reject SIGNAL_MONITOR command - bgscan is active");
7637 		return -1;
7638 	}
7639 	pos = os_strstr(cmd, "THRESHOLD=");
7640 	if (pos)
7641 		threshold = atoi(pos + 10);
7642 	pos = os_strstr(cmd, "HYSTERESIS=");
7643 	if (pos)
7644 		hysteresis = atoi(pos + 11);
7645 	return wpa_drv_signal_monitor(wpa_s, threshold, hysteresis);
7646 }
7647 
7648 
7649 #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)7650 int wpas_ctrl_iface_get_pref_freq_list_override(struct wpa_supplicant *wpa_s,
7651 						enum wpa_driver_if_type if_type,
7652 						unsigned int *num,
7653 						unsigned int *freq_list)
7654 {
7655 	char *pos = wpa_s->get_pref_freq_list_override;
7656 	char *end;
7657 	unsigned int count = 0;
7658 
7659 	/* Override string format:
7660 	 *  <if_type1>:<freq1>,<freq2>,... <if_type2>:... */
7661 
7662 	while (pos) {
7663 		if (atoi(pos) == (int) if_type)
7664 			break;
7665 		pos = os_strchr(pos, ' ');
7666 		if (pos)
7667 			pos++;
7668 	}
7669 	if (!pos)
7670 		return -1;
7671 	pos = os_strchr(pos, ':');
7672 	if (!pos)
7673 		return -1;
7674 	pos++;
7675 	end = os_strchr(pos, ' ');
7676 	while (pos && (!end || pos < end) && count < *num) {
7677 		freq_list[count++] = atoi(pos);
7678 		pos = os_strchr(pos, ',');
7679 		if (pos)
7680 			pos++;
7681 	}
7682 
7683 	*num = count;
7684 	return 0;
7685 }
7686 #endif /* CONFIG_TESTING_OPTIONS */
7687 
7688 
wpas_ctrl_iface_get_pref_freq_list(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7689 static int wpas_ctrl_iface_get_pref_freq_list(
7690 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
7691 {
7692 	unsigned int freq_list[100], num = 100, i;
7693 	int ret;
7694 	enum wpa_driver_if_type iface_type;
7695 	char *pos, *end;
7696 
7697 	pos = buf;
7698 	end = buf + buflen;
7699 
7700 	/* buf: "<interface_type>" */
7701 	if (os_strcmp(cmd, "STATION") == 0)
7702 		iface_type = WPA_IF_STATION;
7703 	else if (os_strcmp(cmd, "AP") == 0)
7704 		iface_type = WPA_IF_AP_BSS;
7705 	else if (os_strcmp(cmd, "P2P_GO") == 0)
7706 		iface_type = WPA_IF_P2P_GO;
7707 	else if (os_strcmp(cmd, "P2P_CLIENT") == 0)
7708 		iface_type = WPA_IF_P2P_CLIENT;
7709 	else if (os_strcmp(cmd, "IBSS") == 0)
7710 		iface_type = WPA_IF_IBSS;
7711 	else if (os_strcmp(cmd, "TDLS") == 0)
7712 		iface_type = WPA_IF_TDLS;
7713 	else
7714 		return -1;
7715 
7716 	wpa_printf(MSG_DEBUG,
7717 		   "CTRL_IFACE: GET_PREF_FREQ_LIST iface_type=%d (%s)",
7718 		   iface_type, cmd);
7719 
7720 	ret = wpa_drv_get_pref_freq_list(wpa_s, iface_type, &num, freq_list);
7721 	if (ret)
7722 		return -1;
7723 
7724 	for (i = 0; i < num; i++) {
7725 		ret = os_snprintf(pos, end - pos, "%s%u",
7726 				  i > 0 ? "," : "", freq_list[i]);
7727 		if (os_snprintf_error(end - pos, ret))
7728 			return -1;
7729 		pos += ret;
7730 	}
7731 
7732 	return pos - buf;
7733 }
7734 
7735 
wpas_ctrl_iface_driver_flags(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)7736 static int wpas_ctrl_iface_driver_flags(struct wpa_supplicant *wpa_s,
7737 					char *buf, size_t buflen)
7738 {
7739 	int ret, i;
7740 	char *pos, *end;
7741 
7742 	ret = os_snprintf(buf, buflen, "%016llX:\n",
7743 			  (long long unsigned) wpa_s->drv_flags);
7744 	if (os_snprintf_error(buflen, ret))
7745 		return -1;
7746 
7747 	pos = buf + ret;
7748 	end = buf + buflen;
7749 
7750 	for (i = 0; i < 64; i++) {
7751 		if (wpa_s->drv_flags & (1LLU << i)) {
7752 			ret = os_snprintf(pos, end - pos, "%s\n",
7753 					  driver_flag_to_string(1LLU << i));
7754 			if (os_snprintf_error(end - pos, ret))
7755 				return -1;
7756 			pos += ret;
7757 		}
7758 	}
7759 
7760 	return pos - buf;
7761 }
7762 
7763 
wpa_supplicant_pktcnt_poll(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)7764 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
7765 				      size_t buflen)
7766 {
7767 	struct hostap_sta_driver_data sta;
7768 	int ret;
7769 
7770 	ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
7771 	if (ret)
7772 		return -1;
7773 
7774 	ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
7775 			  sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
7776 	if (os_snprintf_error(buflen, ret))
7777 		return -1;
7778 	return ret;
7779 }
7780 
7781 
7782 #ifdef ANDROID
wpa_supplicant_driver_cmd(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7783 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7784 				     char *buf, size_t buflen)
7785 {
7786 	int ret;
7787 
7788 	ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
7789 	if (ret == 0) {
7790 		if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
7791 			struct p2p_data *p2p = wpa_s->global->p2p;
7792 			if (p2p) {
7793 				char country[3];
7794 				country[0] = cmd[8];
7795 				country[1] = cmd[9];
7796 				country[2] = 0x04;
7797 				p2p_set_country(p2p, country);
7798 			}
7799 		}
7800 		ret = os_snprintf(buf, buflen, "%s\n", "OK");
7801 		if (os_snprintf_error(buflen, ret))
7802 			ret = -1;
7803 	}
7804 	return ret;
7805 }
7806 #endif /* ANDROID */
7807 
7808 
wpa_supplicant_vendor_cmd(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)7809 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
7810 				     char *buf, size_t buflen)
7811 {
7812 	int ret;
7813 	char *pos;
7814 	u8 *data = NULL;
7815 	unsigned int vendor_id, subcmd;
7816 	struct wpabuf *reply;
7817 	size_t data_len = 0;
7818 
7819 	/* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
7820 	vendor_id = strtoul(cmd, &pos, 16);
7821 	if (!isblank((unsigned char) *pos))
7822 		return -EINVAL;
7823 
7824 	subcmd = strtoul(pos, &pos, 10);
7825 
7826 	if (*pos != '\0') {
7827 		if (!isblank((unsigned char) *pos++))
7828 			return -EINVAL;
7829 		data_len = os_strlen(pos);
7830 	}
7831 
7832 	if (data_len) {
7833 		data_len /= 2;
7834 		data = os_malloc(data_len);
7835 		if (!data)
7836 			return -1;
7837 
7838 		if (hexstr2bin(pos, data, data_len)) {
7839 			wpa_printf(MSG_DEBUG,
7840 				   "Vendor command: wrong parameter format");
7841 			os_free(data);
7842 			return -EINVAL;
7843 		}
7844 	}
7845 
7846 	reply = wpabuf_alloc((buflen - 1) / 2);
7847 	if (!reply) {
7848 		os_free(data);
7849 		return -1;
7850 	}
7851 
7852 	ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
7853 				 reply);
7854 
7855 	if (ret == 0)
7856 		ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
7857 				       wpabuf_len(reply));
7858 
7859 	wpabuf_free(reply);
7860 	os_free(data);
7861 
7862 	return ret;
7863 }
7864 
7865 
wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant * wpa_s)7866 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
7867 {
7868 #ifdef CONFIG_P2P
7869 	struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
7870 		wpa_s->global->p2p_init_wpa_s : wpa_s;
7871 #endif /* CONFIG_P2P */
7872 
7873 	wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
7874 
7875 	if (wpas_abort_ongoing_scan(wpa_s) == 0)
7876 		wpa_s->ignore_post_flush_scan_res = 1;
7877 
7878 	if (wpa_s->wpa_state >= WPA_AUTHENTICATING) {
7879 		/*
7880 		 * Avoid possible auto connect re-connection on getting
7881 		 * disconnected due to state flush.
7882 		 */
7883 		wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
7884 	}
7885 
7886 #ifdef CONFIG_P2P
7887 	wpas_p2p_group_remove(p2p_wpa_s, "*");
7888 	wpas_p2p_cancel(p2p_wpa_s);
7889 	p2p_ctrl_flush(p2p_wpa_s);
7890 	wpas_p2p_service_flush(p2p_wpa_s);
7891 	p2p_wpa_s->global->p2p_disabled = 0;
7892 	p2p_wpa_s->global->p2p_per_sta_psk = 0;
7893 	p2p_wpa_s->conf->num_sec_device_types = 0;
7894 	p2p_wpa_s->p2p_disable_ip_addr_req = 0;
7895 	os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
7896 	p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
7897 	p2p_wpa_s->global->p2p_go_avoid_freq.num = 0;
7898 	p2p_wpa_s->global->pending_p2ps_group = 0;
7899 	p2p_wpa_s->global->pending_p2ps_group_freq = 0;
7900 #endif /* CONFIG_P2P */
7901 
7902 #ifdef CONFIG_WPS_TESTING
7903 	wps_version_number = 0x20;
7904 	wps_testing_dummy_cred = 0;
7905 	wps_corrupt_pkhash = 0;
7906 	wps_force_auth_types_in_use = 0;
7907 	wps_force_encr_types_in_use = 0;
7908 #endif /* CONFIG_WPS_TESTING */
7909 #ifdef CONFIG_WPS
7910 	wpa_s->wps_fragment_size = 0;
7911 	wpas_wps_cancel(wpa_s);
7912 	wps_registrar_flush(wpa_s->wps->registrar);
7913 #endif /* CONFIG_WPS */
7914 	wpa_s->after_wps = 0;
7915 	wpa_s->known_wps_freq = 0;
7916 
7917 #ifdef CONFIG_DPP
7918 	wpas_dpp_deinit(wpa_s);
7919 	wpa_s->dpp_init_max_tries = 0;
7920 	wpa_s->dpp_init_retry_time = 0;
7921 	wpa_s->dpp_resp_wait_time = 0;
7922 	wpa_s->dpp_resp_max_tries = 0;
7923 	wpa_s->dpp_resp_retry_time = 0;
7924 #ifdef CONFIG_TESTING_OPTIONS
7925 	os_memset(dpp_pkex_own_mac_override, 0, ETH_ALEN);
7926 	os_memset(dpp_pkex_peer_mac_override, 0, ETH_ALEN);
7927 	dpp_pkex_ephemeral_key_override_len = 0;
7928 	dpp_protocol_key_override_len = 0;
7929 	dpp_nonce_override_len = 0;
7930 #endif /* CONFIG_TESTING_OPTIONS */
7931 #endif /* CONFIG_DPP */
7932 
7933 #ifdef CONFIG_TDLS
7934 #ifdef CONFIG_TDLS_TESTING
7935 	tdls_testing = 0;
7936 #endif /* CONFIG_TDLS_TESTING */
7937 	wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
7938 	wpa_tdls_enable(wpa_s->wpa, 1);
7939 #endif /* CONFIG_TDLS */
7940 
7941 	eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
7942 	wpa_supplicant_stop_countermeasures(wpa_s, NULL);
7943 
7944 	wpa_s->no_keep_alive = 0;
7945 	wpa_s->own_disconnect_req = 0;
7946 
7947 	os_free(wpa_s->disallow_aps_bssid);
7948 	wpa_s->disallow_aps_bssid = NULL;
7949 	wpa_s->disallow_aps_bssid_count = 0;
7950 	os_free(wpa_s->disallow_aps_ssid);
7951 	wpa_s->disallow_aps_ssid = NULL;
7952 	wpa_s->disallow_aps_ssid_count = 0;
7953 
7954 	wpa_s->set_sta_uapsd = 0;
7955 	wpa_s->sta_uapsd = 0;
7956 
7957 	wpa_drv_radio_disable(wpa_s, 0);
7958 	wpa_blacklist_clear(wpa_s);
7959 	wpa_s->extra_blacklist_count = 0;
7960 	wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
7961 	wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
7962 	wpa_config_flush_blobs(wpa_s->conf);
7963 	wpa_s->conf->auto_interworking = 0;
7964 	wpa_s->conf->okc = 0;
7965 
7966 	wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
7967 	rsn_preauth_deinit(wpa_s->wpa);
7968 
7969 	wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
7970 	wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
7971 	wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
7972 	eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
7973 
7974 	radio_remove_works(wpa_s, NULL, 1);
7975 	wpa_s->ext_work_in_progress = 0;
7976 
7977 	wpa_s->next_ssid = NULL;
7978 
7979 #ifdef CONFIG_INTERWORKING
7980 #ifdef CONFIG_HS20
7981 	hs20_cancel_fetch_osu(wpa_s);
7982 	hs20_del_icon(wpa_s, NULL, NULL);
7983 #endif /* CONFIG_HS20 */
7984 #endif /* CONFIG_INTERWORKING */
7985 
7986 	wpa_s->ext_mgmt_frame_handling = 0;
7987 	wpa_s->ext_eapol_frame_io = 0;
7988 #ifdef CONFIG_TESTING_OPTIONS
7989 	wpa_s->extra_roc_dur = 0;
7990 	wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
7991 	wpa_s->p2p_go_csa_on_inv = 0;
7992 	wpa_s->ignore_auth_resp = 0;
7993 	wpa_s->ignore_assoc_disallow = 0;
7994 	wpa_s->testing_resend_assoc = 0;
7995 	wpa_s->reject_btm_req_reason = 0;
7996 	wpa_sm_set_test_assoc_ie(wpa_s->wpa, NULL);
7997 	os_free(wpa_s->get_pref_freq_list_override);
7998 	wpa_s->get_pref_freq_list_override = NULL;
7999 	wpabuf_free(wpa_s->sae_commit_override);
8000 	wpa_s->sae_commit_override = NULL;
8001 #ifdef CONFIG_DPP
8002 	os_free(wpa_s->dpp_config_obj_override);
8003 	wpa_s->dpp_config_obj_override = NULL;
8004 	os_free(wpa_s->dpp_discovery_override);
8005 	wpa_s->dpp_discovery_override = NULL;
8006 	os_free(wpa_s->dpp_groups_override);
8007 	wpa_s->dpp_groups_override = NULL;
8008 	dpp_test = DPP_TEST_DISABLED;
8009 #endif /* CONFIG_DPP */
8010 #endif /* CONFIG_TESTING_OPTIONS */
8011 
8012 	wpa_s->disconnected = 0;
8013 	os_free(wpa_s->next_scan_freqs);
8014 	wpa_s->next_scan_freqs = NULL;
8015 	os_free(wpa_s->select_network_scan_freqs);
8016 	wpa_s->select_network_scan_freqs = NULL;
8017 
8018 	wpa_bss_flush(wpa_s);
8019 	if (!dl_list_empty(&wpa_s->bss)) {
8020 		wpa_printf(MSG_DEBUG,
8021 			   "BSS table not empty after flush: %u entries, current_bss=%p bssid="
8022 			   MACSTR " pending_bssid=" MACSTR,
8023 			   dl_list_len(&wpa_s->bss), wpa_s->current_bss,
8024 			   MAC2STR(wpa_s->bssid),
8025 			   MAC2STR(wpa_s->pending_bssid));
8026 	}
8027 
8028 	eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
8029 	wpa_s->wnmsleep_used = 0;
8030 
8031 #ifdef CONFIG_SME
8032 	wpa_s->sme.last_unprot_disconnect.sec = 0;
8033 #endif /* CONFIG_SME */
8034 
8035 	wpabuf_free(wpa_s->ric_ies);
8036 	wpa_s->ric_ies = NULL;
8037 
8038 	wpa_supplicant_update_channel_list(wpa_s, NULL);
8039 
8040 	free_bss_tmp_disallowed(wpa_s);
8041 }
8042 
8043 
wpas_ctrl_radio_work_show(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)8044 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
8045 				     char *buf, size_t buflen)
8046 {
8047 	struct wpa_radio_work *work;
8048 	char *pos, *end;
8049 	struct os_reltime now, diff;
8050 
8051 	pos = buf;
8052 	end = buf + buflen;
8053 
8054 	os_get_reltime(&now);
8055 
8056 	dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
8057 	{
8058 		int ret;
8059 
8060 		os_reltime_sub(&now, &work->time, &diff);
8061 		ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
8062 				  work->type, work->wpa_s->ifname, work->freq,
8063 				  work->started, diff.sec, diff.usec);
8064 		if (os_snprintf_error(end - pos, ret))
8065 			break;
8066 		pos += ret;
8067 	}
8068 
8069 	return pos - buf;
8070 }
8071 
8072 
wpas_ctrl_radio_work_timeout(void * eloop_ctx,void * timeout_ctx)8073 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
8074 {
8075 	struct wpa_radio_work *work = eloop_ctx;
8076 	struct wpa_external_work *ework = work->ctx;
8077 
8078 	wpa_dbg(work->wpa_s, MSG_DEBUG,
8079 		"Timing out external radio work %u (%s)",
8080 		ework->id, work->type);
8081 	wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
8082 	work->wpa_s->ext_work_in_progress = 0;
8083 	radio_work_done(work);
8084 	os_free(ework);
8085 }
8086 
8087 
wpas_ctrl_radio_work_cb(struct wpa_radio_work * work,int deinit)8088 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
8089 {
8090 	struct wpa_external_work *ework = work->ctx;
8091 
8092 	if (deinit) {
8093 		if (work->started)
8094 			eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
8095 					     work, NULL);
8096 
8097 		/*
8098 		 * work->type points to a buffer in ework, so need to replace
8099 		 * that here with a fixed string to avoid use of freed memory
8100 		 * in debug prints.
8101 		 */
8102 		work->type = "freed-ext-work";
8103 		work->ctx = NULL;
8104 		os_free(ework);
8105 		return;
8106 	}
8107 
8108 	wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
8109 		ework->id, ework->type);
8110 	wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
8111 	work->wpa_s->ext_work_in_progress = 1;
8112 	if (!ework->timeout)
8113 		ework->timeout = 10;
8114 	eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
8115 			       work, NULL);
8116 }
8117 
8118 
wpas_ctrl_radio_work_add(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)8119 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
8120 				    char *buf, size_t buflen)
8121 {
8122 	struct wpa_external_work *ework;
8123 	char *pos, *pos2;
8124 	size_t type_len;
8125 	int ret;
8126 	unsigned int freq = 0;
8127 
8128 	/* format: <name> [freq=<MHz>] [timeout=<seconds>] */
8129 
8130 	ework = os_zalloc(sizeof(*ework));
8131 	if (ework == NULL)
8132 		return -1;
8133 
8134 	pos = os_strchr(cmd, ' ');
8135 	if (pos) {
8136 		type_len = pos - cmd;
8137 		pos++;
8138 
8139 		pos2 = os_strstr(pos, "freq=");
8140 		if (pos2)
8141 			freq = atoi(pos2 + 5);
8142 
8143 		pos2 = os_strstr(pos, "timeout=");
8144 		if (pos2)
8145 			ework->timeout = atoi(pos2 + 8);
8146 	} else {
8147 		type_len = os_strlen(cmd);
8148 	}
8149 	if (4 + type_len >= sizeof(ework->type))
8150 		type_len = sizeof(ework->type) - 4 - 1;
8151 	os_strlcpy(ework->type, "ext:", sizeof(ework->type));
8152 	os_memcpy(ework->type + 4, cmd, type_len);
8153 	ework->type[4 + type_len] = '\0';
8154 
8155 	wpa_s->ext_work_id++;
8156 	if (wpa_s->ext_work_id == 0)
8157 		wpa_s->ext_work_id++;
8158 	ework->id = wpa_s->ext_work_id;
8159 
8160 	if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
8161 			   ework) < 0) {
8162 		os_free(ework);
8163 		return -1;
8164 	}
8165 
8166 	ret = os_snprintf(buf, buflen, "%u", ework->id);
8167 	if (os_snprintf_error(buflen, ret))
8168 		return -1;
8169 	return ret;
8170 }
8171 
8172 
wpas_ctrl_radio_work_done(struct wpa_supplicant * wpa_s,char * cmd)8173 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
8174 {
8175 	struct wpa_radio_work *work;
8176 	unsigned int id = atoi(cmd);
8177 
8178 	dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
8179 	{
8180 		struct wpa_external_work *ework;
8181 
8182 		if (os_strncmp(work->type, "ext:", 4) != 0)
8183 			continue;
8184 		ework = work->ctx;
8185 		if (id && ework->id != id)
8186 			continue;
8187 		wpa_dbg(wpa_s, MSG_DEBUG,
8188 			"Completed external radio work %u (%s)",
8189 			ework->id, ework->type);
8190 		eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
8191 		wpa_s->ext_work_in_progress = 0;
8192 		radio_work_done(work);
8193 		os_free(ework);
8194 		return 3; /* "OK\n" */
8195 	}
8196 
8197 	return -1;
8198 }
8199 
8200 
wpas_ctrl_radio_work(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)8201 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
8202 				char *buf, size_t buflen)
8203 {
8204 	if (os_strcmp(cmd, "show") == 0)
8205 		return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
8206 	if (os_strncmp(cmd, "add ", 4) == 0)
8207 		return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
8208 	if (os_strncmp(cmd, "done ", 5) == 0)
8209 		return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
8210 	return -1;
8211 }
8212 
8213 
wpas_ctrl_radio_work_flush(struct wpa_supplicant * wpa_s)8214 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
8215 {
8216 	struct wpa_radio_work *work, *tmp;
8217 
8218 	if (!wpa_s || !wpa_s->radio)
8219 		return;
8220 
8221 	dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
8222 			      struct wpa_radio_work, list) {
8223 		struct wpa_external_work *ework;
8224 
8225 		if (os_strncmp(work->type, "ext:", 4) != 0)
8226 			continue;
8227 		ework = work->ctx;
8228 		wpa_dbg(wpa_s, MSG_DEBUG,
8229 			"Flushing%s external radio work %u (%s)",
8230 			work->started ? " started" : "", ework->id,
8231 			ework->type);
8232 		if (work->started)
8233 			eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
8234 					     work, NULL);
8235 		radio_work_done(work);
8236 		os_free(ework);
8237 	}
8238 }
8239 
8240 
wpas_ctrl_eapol_response(void * eloop_ctx,void * timeout_ctx)8241 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
8242 {
8243 	struct wpa_supplicant *wpa_s = eloop_ctx;
8244 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
8245 }
8246 
8247 
scan_id_list_parse(struct wpa_supplicant * wpa_s,const char * value,unsigned int * scan_id_count,int scan_id[])8248 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
8249 			      unsigned int *scan_id_count, int scan_id[])
8250 {
8251 	const char *pos = value;
8252 
8253 	while (pos) {
8254 		if (*pos == ' ' || *pos == '\0')
8255 			break;
8256 		if (*scan_id_count == MAX_SCAN_ID)
8257 			return -1;
8258 		scan_id[(*scan_id_count)++] = atoi(pos);
8259 		pos = os_strchr(pos, ',');
8260 		if (pos)
8261 			pos++;
8262 	}
8263 
8264 	return 0;
8265 }
8266 
8267 
wpas_ctrl_scan(struct wpa_supplicant * wpa_s,char * params,char * reply,int reply_size,int * reply_len)8268 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
8269 			   char *reply, int reply_size, int *reply_len)
8270 {
8271 	char *pos;
8272 	unsigned int manual_scan_passive = 0;
8273 	unsigned int manual_scan_use_id = 0;
8274 	unsigned int manual_scan_only_new = 0;
8275 	unsigned int scan_only = 0;
8276 	unsigned int scan_id_count = 0;
8277 	int scan_id[MAX_SCAN_ID];
8278 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
8279 				 struct wpa_scan_results *scan_res);
8280 	int *manual_scan_freqs = NULL;
8281 	struct wpa_ssid_value *ssid = NULL, *ns;
8282 	unsigned int ssid_count = 0;
8283 
8284 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
8285 		*reply_len = -1;
8286 		return;
8287 	}
8288 
8289 	if (radio_work_pending(wpa_s, "scan")) {
8290 		wpa_printf(MSG_DEBUG,
8291 			   "Pending scan scheduled - reject new request");
8292 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
8293 		return;
8294 	}
8295 
8296 #ifdef CONFIG_INTERWORKING
8297 	if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
8298 		wpa_printf(MSG_DEBUG,
8299 			   "Interworking select in progress - reject new scan");
8300 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
8301 		return;
8302 	}
8303 #endif /* CONFIG_INTERWORKING */
8304 
8305 	if (params) {
8306 		if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
8307 			scan_only = 1;
8308 
8309 		pos = os_strstr(params, "freq=");
8310 		if (pos) {
8311 			manual_scan_freqs = freq_range_to_channel_list(wpa_s,
8312 								       pos + 5);
8313 			if (manual_scan_freqs == NULL) {
8314 				*reply_len = -1;
8315 				goto done;
8316 			}
8317 		}
8318 
8319 		pos = os_strstr(params, "passive=");
8320 		if (pos)
8321 			manual_scan_passive = !!atoi(pos + 8);
8322 
8323 		pos = os_strstr(params, "use_id=");
8324 		if (pos)
8325 			manual_scan_use_id = atoi(pos + 7);
8326 
8327 		pos = os_strstr(params, "only_new=1");
8328 		if (pos)
8329 			manual_scan_only_new = 1;
8330 
8331 		pos = os_strstr(params, "scan_id=");
8332 		if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
8333 					      scan_id) < 0) {
8334 			*reply_len = -1;
8335 			goto done;
8336 		}
8337 
8338 		pos = os_strstr(params, "bssid=");
8339 		if (pos) {
8340 			u8 bssid[ETH_ALEN];
8341 
8342 			pos += 6;
8343 			if (hwaddr_aton(pos, bssid)) {
8344 				wpa_printf(MSG_ERROR, "Invalid BSSID %s", pos);
8345 				*reply_len = -1;
8346 				goto done;
8347 			}
8348 			os_memcpy(wpa_s->next_scan_bssid, bssid, ETH_ALEN);
8349 		}
8350 
8351 		pos = params;
8352 		while (pos && *pos != '\0') {
8353 			if (os_strncmp(pos, "ssid ", 5) == 0) {
8354 				char *end;
8355 
8356 				pos += 5;
8357 				end = pos;
8358 				while (*end) {
8359 					if (*end == '\0' || *end == ' ')
8360 						break;
8361 					end++;
8362 				}
8363 
8364 				ns = os_realloc_array(
8365 					ssid, ssid_count + 1,
8366 					sizeof(struct wpa_ssid_value));
8367 				if (ns == NULL) {
8368 					*reply_len = -1;
8369 					goto done;
8370 				}
8371 				ssid = ns;
8372 
8373 				if ((end - pos) & 0x01 ||
8374 				    end - pos > 2 * SSID_MAX_LEN ||
8375 				    hexstr2bin(pos, ssid[ssid_count].ssid,
8376 					       (end - pos) / 2) < 0) {
8377 					wpa_printf(MSG_DEBUG,
8378 						   "Invalid SSID value '%s'",
8379 						   pos);
8380 					*reply_len = -1;
8381 					goto done;
8382 				}
8383 				ssid[ssid_count].ssid_len = (end - pos) / 2;
8384 				wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
8385 						  ssid[ssid_count].ssid,
8386 						  ssid[ssid_count].ssid_len);
8387 				ssid_count++;
8388 				pos = end;
8389 			}
8390 
8391 			pos = os_strchr(pos, ' ');
8392 			if (pos)
8393 				pos++;
8394 		}
8395 	}
8396 
8397 	wpa_s->num_ssids_from_scan_req = ssid_count;
8398 	os_free(wpa_s->ssids_from_scan_req);
8399 	if (ssid_count) {
8400 		wpa_s->ssids_from_scan_req = ssid;
8401 		ssid = NULL;
8402 	} else {
8403 		wpa_s->ssids_from_scan_req = NULL;
8404 	}
8405 
8406 	if (scan_only)
8407 		scan_res_handler = scan_only_handler;
8408 	else if (wpa_s->scan_res_handler == scan_only_handler)
8409 		scan_res_handler = NULL;
8410 	else
8411 		scan_res_handler = wpa_s->scan_res_handler;
8412 
8413 	if (!wpa_s->sched_scanning && !wpa_s->scanning &&
8414 	    ((wpa_s->wpa_state <= WPA_SCANNING) ||
8415 	     (wpa_s->wpa_state == WPA_COMPLETED))) {
8416 		wpa_s->manual_scan_passive = manual_scan_passive;
8417 		wpa_s->manual_scan_use_id = manual_scan_use_id;
8418 		wpa_s->manual_scan_only_new = manual_scan_only_new;
8419 		wpa_s->scan_id_count = scan_id_count;
8420 		os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
8421 		wpa_s->scan_res_handler = scan_res_handler;
8422 		os_free(wpa_s->manual_scan_freqs);
8423 		wpa_s->manual_scan_freqs = manual_scan_freqs;
8424 		manual_scan_freqs = NULL;
8425 
8426 		wpa_s->normal_scans = 0;
8427 		wpa_s->scan_req = MANUAL_SCAN_REQ;
8428 		wpa_s->after_wps = 0;
8429 		wpa_s->known_wps_freq = 0;
8430 		wpa_supplicant_req_scan(wpa_s, 0, 0);
8431 		if (wpa_s->manual_scan_use_id) {
8432 			wpa_s->manual_scan_id++;
8433 			wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
8434 				wpa_s->manual_scan_id);
8435 			*reply_len = os_snprintf(reply, reply_size, "%u\n",
8436 						 wpa_s->manual_scan_id);
8437 		}
8438 	} else if (wpa_s->sched_scanning) {
8439 		wpa_s->manual_scan_passive = manual_scan_passive;
8440 		wpa_s->manual_scan_use_id = manual_scan_use_id;
8441 		wpa_s->manual_scan_only_new = manual_scan_only_new;
8442 		wpa_s->scan_id_count = scan_id_count;
8443 		os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
8444 		wpa_s->scan_res_handler = scan_res_handler;
8445 		os_free(wpa_s->manual_scan_freqs);
8446 		wpa_s->manual_scan_freqs = manual_scan_freqs;
8447 		manual_scan_freqs = NULL;
8448 
8449 		wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
8450 		wpa_supplicant_cancel_sched_scan(wpa_s);
8451 		wpa_s->scan_req = MANUAL_SCAN_REQ;
8452 		wpa_supplicant_req_scan(wpa_s, 0, 0);
8453 		if (wpa_s->manual_scan_use_id) {
8454 			wpa_s->manual_scan_id++;
8455 			*reply_len = os_snprintf(reply, reply_size, "%u\n",
8456 						 wpa_s->manual_scan_id);
8457 			wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
8458 				wpa_s->manual_scan_id);
8459 		}
8460 	} else {
8461 		wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
8462 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
8463 	}
8464 
8465 done:
8466 	os_free(manual_scan_freqs);
8467 	os_free(ssid);
8468 }
8469 
8470 
8471 #ifdef CONFIG_TESTING_OPTIONS
8472 
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)8473 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
8474 				       unsigned int freq, const u8 *dst,
8475 				       const u8 *src, const u8 *bssid,
8476 				       const u8 *data, size_t data_len,
8477 				       enum offchannel_send_action_result
8478 				       result)
8479 {
8480 	wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
8481 		" src=" MACSTR " bssid=" MACSTR " result=%s",
8482 		freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
8483 		result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
8484 		"SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
8485 			     "NO_ACK" : "FAILED"));
8486 }
8487 
8488 
wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant * wpa_s,char * cmd)8489 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
8490 {
8491 	char *pos, *param;
8492 	size_t len;
8493 	u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
8494 	int res, used;
8495 	int freq = 0, no_cck = 0, wait_time = 0;
8496 
8497 	/* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
8498 	 *    <action=Action frame payload> */
8499 
8500 	wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
8501 
8502 	pos = cmd;
8503 	used = hwaddr_aton2(pos, da);
8504 	if (used < 0)
8505 		return -1;
8506 	pos += used;
8507 	while (*pos == ' ')
8508 		pos++;
8509 	used = hwaddr_aton2(pos, bssid);
8510 	if (used < 0)
8511 		return -1;
8512 	pos += used;
8513 
8514 	param = os_strstr(pos, " freq=");
8515 	if (param) {
8516 		param += 6;
8517 		freq = atoi(param);
8518 	}
8519 
8520 	param = os_strstr(pos, " no_cck=");
8521 	if (param) {
8522 		param += 8;
8523 		no_cck = atoi(param);
8524 	}
8525 
8526 	param = os_strstr(pos, " wait_time=");
8527 	if (param) {
8528 		param += 11;
8529 		wait_time = atoi(param);
8530 	}
8531 
8532 	param = os_strstr(pos, " action=");
8533 	if (param == NULL)
8534 		return -1;
8535 	param += 8;
8536 
8537 	len = os_strlen(param);
8538 	if (len & 1)
8539 		return -1;
8540 	len /= 2;
8541 
8542 	buf = os_malloc(len);
8543 	if (buf == NULL)
8544 		return -1;
8545 
8546 	if (hexstr2bin(param, buf, len) < 0) {
8547 		os_free(buf);
8548 		return -1;
8549 	}
8550 
8551 	res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
8552 				     buf, len, wait_time,
8553 				     wpas_ctrl_iface_mgmt_tx_cb, no_cck);
8554 	os_free(buf);
8555 	return res;
8556 }
8557 
8558 
wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant * wpa_s)8559 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
8560 {
8561 	wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
8562 	offchannel_send_action_done(wpa_s);
8563 }
8564 
8565 
wpas_ctrl_iface_mgmt_rx_process(struct wpa_supplicant * wpa_s,char * cmd)8566 static int wpas_ctrl_iface_mgmt_rx_process(struct wpa_supplicant *wpa_s,
8567 					   char *cmd)
8568 {
8569 	char *pos, *param;
8570 	size_t len;
8571 	u8 *buf;
8572 	int freq = 0, datarate = 0, ssi_signal = 0;
8573 	union wpa_event_data event;
8574 
8575 	if (!wpa_s->ext_mgmt_frame_handling)
8576 		return -1;
8577 
8578 	/* freq=<MHz> datarate=<val> ssi_signal=<val> frame=<frame hexdump> */
8579 
8580 	wpa_printf(MSG_DEBUG, "External MGMT RX process: %s", cmd);
8581 
8582 	pos = cmd;
8583 	param = os_strstr(pos, "freq=");
8584 	if (param) {
8585 		param += 5;
8586 		freq = atoi(param);
8587 	}
8588 
8589 	param = os_strstr(pos, " datarate=");
8590 	if (param) {
8591 		param += 10;
8592 		datarate = atoi(param);
8593 	}
8594 
8595 	param = os_strstr(pos, " ssi_signal=");
8596 	if (param) {
8597 		param += 12;
8598 		ssi_signal = atoi(param);
8599 	}
8600 
8601 	param = os_strstr(pos, " frame=");
8602 	if (param == NULL)
8603 		return -1;
8604 	param += 7;
8605 
8606 	len = os_strlen(param);
8607 	if (len & 1)
8608 		return -1;
8609 	len /= 2;
8610 
8611 	buf = os_malloc(len);
8612 	if (buf == NULL)
8613 		return -1;
8614 
8615 	if (hexstr2bin(param, buf, len) < 0) {
8616 		os_free(buf);
8617 		return -1;
8618 	}
8619 
8620 	os_memset(&event, 0, sizeof(event));
8621 	event.rx_mgmt.freq = freq;
8622 	event.rx_mgmt.frame = buf;
8623 	event.rx_mgmt.frame_len = len;
8624 	event.rx_mgmt.ssi_signal = ssi_signal;
8625 	event.rx_mgmt.datarate = datarate;
8626 	wpa_s->ext_mgmt_frame_handling = 0;
8627 	wpa_supplicant_event(wpa_s, EVENT_RX_MGMT, &event);
8628 	wpa_s->ext_mgmt_frame_handling = 1;
8629 
8630 	os_free(buf);
8631 
8632 	return 0;
8633 }
8634 
8635 
wpas_ctrl_iface_driver_scan_res(struct wpa_supplicant * wpa_s,char * param)8636 static int wpas_ctrl_iface_driver_scan_res(struct wpa_supplicant *wpa_s,
8637 					   char *param)
8638 {
8639 	struct wpa_scan_res *res;
8640 	struct os_reltime now;
8641 	char *pos, *end;
8642 	int ret = -1;
8643 
8644 	if (!param)
8645 		return -1;
8646 
8647 	if (os_strcmp(param, "START") == 0) {
8648 		wpa_bss_update_start(wpa_s);
8649 		return 0;
8650 	}
8651 
8652 	if (os_strcmp(param, "END") == 0) {
8653 		wpa_bss_update_end(wpa_s, NULL, 1);
8654 		return 0;
8655 	}
8656 
8657 	if (os_strncmp(param, "BSS ", 4) != 0)
8658 		return -1;
8659 	param += 3;
8660 
8661 	res = os_zalloc(sizeof(*res) + os_strlen(param) / 2);
8662 	if (!res)
8663 		return -1;
8664 
8665 	pos = os_strstr(param, " flags=");
8666 	if (pos)
8667 		res->flags = strtol(pos + 7, NULL, 16);
8668 
8669 	pos = os_strstr(param, " bssid=");
8670 	if (pos && hwaddr_aton(pos + 7, res->bssid))
8671 		goto fail;
8672 
8673 	pos = os_strstr(param, " freq=");
8674 	if (pos)
8675 		res->freq = atoi(pos + 6);
8676 
8677 	pos = os_strstr(param, " beacon_int=");
8678 	if (pos)
8679 		res->beacon_int = atoi(pos + 12);
8680 
8681 	pos = os_strstr(param, " caps=");
8682 	if (pos)
8683 		res->caps = strtol(pos + 6, NULL, 16);
8684 
8685 	pos = os_strstr(param, " qual=");
8686 	if (pos)
8687 		res->qual = atoi(pos + 6);
8688 
8689 	pos = os_strstr(param, " noise=");
8690 	if (pos)
8691 		res->noise = atoi(pos + 7);
8692 
8693 	pos = os_strstr(param, " level=");
8694 	if (pos)
8695 		res->level = atoi(pos + 7);
8696 
8697 	pos = os_strstr(param, " tsf=");
8698 	if (pos)
8699 		res->tsf = strtoll(pos + 5, NULL, 16);
8700 
8701 	pos = os_strstr(param, " age=");
8702 	if (pos)
8703 		res->age = atoi(pos + 5);
8704 
8705 	pos = os_strstr(param, " est_throughput=");
8706 	if (pos)
8707 		res->est_throughput = atoi(pos + 16);
8708 
8709 	pos = os_strstr(param, " snr=");
8710 	if (pos)
8711 		res->snr = atoi(pos + 5);
8712 
8713 	pos = os_strstr(param, " parent_tsf=");
8714 	if (pos)
8715 		res->parent_tsf = strtoll(pos + 7, NULL, 16);
8716 
8717 	pos = os_strstr(param, " tsf_bssid=");
8718 	if (pos && hwaddr_aton(pos + 11, res->tsf_bssid))
8719 		goto fail;
8720 
8721 	pos = os_strstr(param, " ie=");
8722 	if (pos) {
8723 		pos += 4;
8724 		end = os_strchr(pos, ' ');
8725 		if (!end)
8726 			end = pos + os_strlen(pos);
8727 		res->ie_len = (end - pos) / 2;
8728 		if (hexstr2bin(pos, (u8 *) (res + 1), res->ie_len))
8729 			goto fail;
8730 	}
8731 
8732 	pos = os_strstr(param, " beacon_ie=");
8733 	if (pos) {
8734 		pos += 11;
8735 		end = os_strchr(pos, ' ');
8736 		if (!end)
8737 			end = pos + os_strlen(pos);
8738 		res->beacon_ie_len = (end - pos) / 2;
8739 		if (hexstr2bin(pos, ((u8 *) (res + 1)) + res->ie_len,
8740 			       res->beacon_ie_len))
8741 			goto fail;
8742 	}
8743 
8744 	os_get_reltime(&now);
8745 	wpa_bss_update_scan_res(wpa_s, res, &now);
8746 	ret = 0;
8747 fail:
8748 	os_free(res);
8749 
8750 	return ret;
8751 }
8752 
8753 
wpas_ctrl_iface_driver_event(struct wpa_supplicant * wpa_s,char * cmd)8754 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
8755 {
8756 	char *pos, *param;
8757 	union wpa_event_data event;
8758 	enum wpa_event_type ev;
8759 
8760 	/* <event name> [parameters..] */
8761 
8762 	wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
8763 
8764 	pos = cmd;
8765 	param = os_strchr(pos, ' ');
8766 	if (param)
8767 		*param++ = '\0';
8768 
8769 	os_memset(&event, 0, sizeof(event));
8770 
8771 	if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
8772 		ev = EVENT_INTERFACE_ENABLED;
8773 	} else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
8774 		ev = EVENT_INTERFACE_DISABLED;
8775 	} else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
8776 		ev = EVENT_AVOID_FREQUENCIES;
8777 		if (param == NULL)
8778 			param = "";
8779 		if (freq_range_list_parse(&event.freq_range, param) < 0)
8780 			return -1;
8781 		wpa_supplicant_event(wpa_s, ev, &event);
8782 		os_free(event.freq_range.range);
8783 		return 0;
8784 	} else if (os_strcmp(cmd, "SCAN_RES") == 0) {
8785 		return wpas_ctrl_iface_driver_scan_res(wpa_s, param);
8786 	} else {
8787 		wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
8788 			cmd);
8789 		return -1;
8790 	}
8791 
8792 	wpa_supplicant_event(wpa_s, ev, &event);
8793 
8794 	return 0;
8795 }
8796 
8797 
wpas_ctrl_iface_eapol_rx(struct wpa_supplicant * wpa_s,char * cmd)8798 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
8799 {
8800 	char *pos;
8801 	u8 src[ETH_ALEN], *buf;
8802 	int used;
8803 	size_t len;
8804 
8805 	wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
8806 
8807 	pos = cmd;
8808 	used = hwaddr_aton2(pos, src);
8809 	if (used < 0)
8810 		return -1;
8811 	pos += used;
8812 	while (*pos == ' ')
8813 		pos++;
8814 
8815 	len = os_strlen(pos);
8816 	if (len & 1)
8817 		return -1;
8818 	len /= 2;
8819 
8820 	buf = os_malloc(len);
8821 	if (buf == NULL)
8822 		return -1;
8823 
8824 	if (hexstr2bin(pos, buf, len) < 0) {
8825 		os_free(buf);
8826 		return -1;
8827 	}
8828 
8829 	wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
8830 	os_free(buf);
8831 
8832 	return 0;
8833 }
8834 
8835 
ipv4_hdr_checksum(const void * buf,size_t len)8836 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
8837 {
8838 	size_t i;
8839 	u32 sum = 0;
8840 	const u16 *pos = buf;
8841 
8842 	for (i = 0; i < len / 2; i++)
8843 		sum += *pos++;
8844 
8845 	while (sum >> 16)
8846 		sum = (sum & 0xffff) + (sum >> 16);
8847 
8848 	return sum ^ 0xffff;
8849 }
8850 
8851 
8852 #define HWSIM_PACKETLEN 1500
8853 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
8854 
wpas_data_test_rx(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)8855 static void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf,
8856 			      size_t len)
8857 {
8858 	struct wpa_supplicant *wpa_s = ctx;
8859 	const struct ether_header *eth;
8860 	struct iphdr ip;
8861 	const u8 *pos;
8862 	unsigned int i;
8863 	char extra[30];
8864 
8865 	if (len < sizeof(*eth) + sizeof(ip) || len > HWSIM_PACKETLEN) {
8866 		wpa_printf(MSG_DEBUG,
8867 			   "test data: RX - ignore unexpected length %d",
8868 			   (int) len);
8869 		return;
8870 	}
8871 
8872 	eth = (const struct ether_header *) buf;
8873 	os_memcpy(&ip, eth + 1, sizeof(ip));
8874 	pos = &buf[sizeof(*eth) + sizeof(ip)];
8875 
8876 	if (ip.ihl != 5 || ip.version != 4 ||
8877 	    ntohs(ip.tot_len) > HWSIM_IP_LEN) {
8878 		wpa_printf(MSG_DEBUG,
8879 			   "test data: RX - ignore unexpect IP header");
8880 		return;
8881 	}
8882 
8883 	for (i = 0; i < ntohs(ip.tot_len) - sizeof(ip); i++) {
8884 		if (*pos != (u8) i) {
8885 			wpa_printf(MSG_DEBUG,
8886 				   "test data: RX - ignore mismatching payload");
8887 			return;
8888 		}
8889 		pos++;
8890 	}
8891 	extra[0] = '\0';
8892 	if (ntohs(ip.tot_len) != HWSIM_IP_LEN)
8893 		os_snprintf(extra, sizeof(extra), " len=%d", ntohs(ip.tot_len));
8894 	wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR "%s",
8895 		MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost), extra);
8896 }
8897 
8898 
wpas_ctrl_iface_data_test_config(struct wpa_supplicant * wpa_s,char * cmd)8899 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
8900 					    char *cmd)
8901 {
8902 	int enabled = atoi(cmd);
8903 	char *pos;
8904 	const char *ifname;
8905 
8906 	if (!enabled) {
8907 		if (wpa_s->l2_test) {
8908 			l2_packet_deinit(wpa_s->l2_test);
8909 			wpa_s->l2_test = NULL;
8910 			wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
8911 		}
8912 		return 0;
8913 	}
8914 
8915 	if (wpa_s->l2_test)
8916 		return 0;
8917 
8918 	pos = os_strstr(cmd, " ifname=");
8919 	if (pos)
8920 		ifname = pos + 8;
8921 	else
8922 		ifname = wpa_s->ifname;
8923 
8924 	wpa_s->l2_test = l2_packet_init(ifname, wpa_s->own_addr,
8925 					ETHERTYPE_IP, wpas_data_test_rx,
8926 					wpa_s, 1);
8927 	if (wpa_s->l2_test == NULL)
8928 		return -1;
8929 
8930 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
8931 
8932 	return 0;
8933 }
8934 
8935 
wpas_ctrl_iface_data_test_tx(struct wpa_supplicant * wpa_s,char * cmd)8936 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
8937 {
8938 	u8 dst[ETH_ALEN], src[ETH_ALEN];
8939 	char *pos, *pos2;
8940 	int used;
8941 	long int val;
8942 	u8 tos;
8943 	u8 buf[2 + HWSIM_PACKETLEN];
8944 	struct ether_header *eth;
8945 	struct iphdr *ip;
8946 	u8 *dpos;
8947 	unsigned int i;
8948 	size_t send_len = HWSIM_IP_LEN;
8949 
8950 	if (wpa_s->l2_test == NULL)
8951 		return -1;
8952 
8953 	/* format: <dst> <src> <tos> [len=<length>] */
8954 
8955 	pos = cmd;
8956 	used = hwaddr_aton2(pos, dst);
8957 	if (used < 0)
8958 		return -1;
8959 	pos += used;
8960 	while (*pos == ' ')
8961 		pos++;
8962 	used = hwaddr_aton2(pos, src);
8963 	if (used < 0)
8964 		return -1;
8965 	pos += used;
8966 
8967 	val = strtol(pos, &pos2, 0);
8968 	if (val < 0 || val > 0xff)
8969 		return -1;
8970 	tos = val;
8971 
8972 	pos = os_strstr(pos2, " len=");
8973 	if (pos) {
8974 		i = atoi(pos + 5);
8975 		if (i < sizeof(*ip) || i > HWSIM_IP_LEN)
8976 			return -1;
8977 		send_len = i;
8978 	}
8979 
8980 	eth = (struct ether_header *) &buf[2];
8981 	os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
8982 	os_memcpy(eth->ether_shost, src, ETH_ALEN);
8983 	eth->ether_type = htons(ETHERTYPE_IP);
8984 	ip = (struct iphdr *) (eth + 1);
8985 	os_memset(ip, 0, sizeof(*ip));
8986 	ip->ihl = 5;
8987 	ip->version = 4;
8988 	ip->ttl = 64;
8989 	ip->tos = tos;
8990 	ip->tot_len = htons(send_len);
8991 	ip->protocol = 1;
8992 	ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
8993 	ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
8994 	ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
8995 	dpos = (u8 *) (ip + 1);
8996 	for (i = 0; i < send_len - sizeof(*ip); i++)
8997 		*dpos++ = i;
8998 
8999 	if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, &buf[2],
9000 			   sizeof(struct ether_header) + send_len) < 0)
9001 		return -1;
9002 
9003 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
9004 		" tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
9005 
9006 	return 0;
9007 }
9008 
9009 
wpas_ctrl_iface_data_test_frame(struct wpa_supplicant * wpa_s,char * cmd)9010 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
9011 					   char *cmd)
9012 {
9013 	u8 *buf;
9014 	struct ether_header *eth;
9015 	struct l2_packet_data *l2 = NULL;
9016 	size_t len;
9017 	u16 ethertype;
9018 	int res = -1;
9019 
9020 	len = os_strlen(cmd);
9021 	if (len & 1 || len < ETH_HLEN * 2)
9022 		return -1;
9023 	len /= 2;
9024 
9025 	buf = os_malloc(len);
9026 	if (buf == NULL)
9027 		return -1;
9028 
9029 	if (hexstr2bin(cmd, buf, len) < 0)
9030 		goto done;
9031 
9032 	eth = (struct ether_header *) buf;
9033 	ethertype = ntohs(eth->ether_type);
9034 
9035 	l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
9036 			    wpas_data_test_rx, wpa_s, 1);
9037 	if (l2 == NULL)
9038 		goto done;
9039 
9040 	res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
9041 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
9042 done:
9043 	if (l2)
9044 		l2_packet_deinit(l2);
9045 	os_free(buf);
9046 
9047 	return res < 0 ? -1 : 0;
9048 }
9049 
9050 
wpas_ctrl_test_alloc_fail(struct wpa_supplicant * wpa_s,char * cmd)9051 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
9052 {
9053 #ifdef WPA_TRACE_BFD
9054 	char *pos;
9055 
9056 	wpa_trace_fail_after = atoi(cmd);
9057 	pos = os_strchr(cmd, ':');
9058 	if (pos) {
9059 		pos++;
9060 		os_strlcpy(wpa_trace_fail_func, pos,
9061 			   sizeof(wpa_trace_fail_func));
9062 	} else {
9063 		wpa_trace_fail_after = 0;
9064 	}
9065 	return 0;
9066 #else /* WPA_TRACE_BFD */
9067 	return -1;
9068 #endif /* WPA_TRACE_BFD */
9069 }
9070 
9071 
wpas_ctrl_get_alloc_fail(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)9072 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
9073 				    char *buf, size_t buflen)
9074 {
9075 #ifdef WPA_TRACE_BFD
9076 	return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
9077 			   wpa_trace_fail_func);
9078 #else /* WPA_TRACE_BFD */
9079 	return -1;
9080 #endif /* WPA_TRACE_BFD */
9081 }
9082 
9083 
wpas_ctrl_test_fail(struct wpa_supplicant * wpa_s,char * cmd)9084 static int wpas_ctrl_test_fail(struct wpa_supplicant *wpa_s, char *cmd)
9085 {
9086 #ifdef WPA_TRACE_BFD
9087 	char *pos;
9088 
9089 	wpa_trace_test_fail_after = atoi(cmd);
9090 	pos = os_strchr(cmd, ':');
9091 	if (pos) {
9092 		pos++;
9093 		os_strlcpy(wpa_trace_test_fail_func, pos,
9094 			   sizeof(wpa_trace_test_fail_func));
9095 	} else {
9096 		wpa_trace_test_fail_after = 0;
9097 	}
9098 	return 0;
9099 #else /* WPA_TRACE_BFD */
9100 	return -1;
9101 #endif /* WPA_TRACE_BFD */
9102 }
9103 
9104 
wpas_ctrl_get_fail(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)9105 static int wpas_ctrl_get_fail(struct wpa_supplicant *wpa_s,
9106 				    char *buf, size_t buflen)
9107 {
9108 #ifdef WPA_TRACE_BFD
9109 	return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
9110 			   wpa_trace_test_fail_func);
9111 #else /* WPA_TRACE_BFD */
9112 	return -1;
9113 #endif /* WPA_TRACE_BFD */
9114 }
9115 
9116 
wpas_ctrl_event_test_cb(void * eloop_ctx,void * timeout_ctx)9117 static void wpas_ctrl_event_test_cb(void *eloop_ctx, void *timeout_ctx)
9118 {
9119 	struct wpa_supplicant *wpa_s = eloop_ctx;
9120 	int i, count = (intptr_t) timeout_ctx;
9121 
9122 	wpa_printf(MSG_DEBUG, "TEST: Send %d control interface event messages",
9123 		   count);
9124 	for (i = 0; i < count; i++) {
9125 		wpa_msg_ctrl(wpa_s, MSG_INFO, "TEST-EVENT-MESSAGE %d/%d",
9126 			     i + 1, count);
9127 	}
9128 }
9129 
9130 
wpas_ctrl_event_test(struct wpa_supplicant * wpa_s,const char * cmd)9131 static int wpas_ctrl_event_test(struct wpa_supplicant *wpa_s, const char *cmd)
9132 {
9133 	int count;
9134 
9135 	count = atoi(cmd);
9136 	if (count <= 0)
9137 		return -1;
9138 
9139 	return eloop_register_timeout(0, 0, wpas_ctrl_event_test_cb, wpa_s,
9140 				      (void *) (intptr_t) count);
9141 }
9142 
9143 
wpas_ctrl_test_assoc_ie(struct wpa_supplicant * wpa_s,const char * cmd)9144 static int wpas_ctrl_test_assoc_ie(struct wpa_supplicant *wpa_s,
9145 				   const char *cmd)
9146 {
9147 	struct wpabuf *buf;
9148 	size_t len;
9149 
9150 	len = os_strlen(cmd);
9151 	if (len & 1)
9152 		return -1;
9153 	len /= 2;
9154 
9155 	if (len == 0) {
9156 		buf = NULL;
9157 	} else {
9158 		buf = wpabuf_alloc(len);
9159 		if (buf == NULL)
9160 			return -1;
9161 
9162 		if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
9163 			wpabuf_free(buf);
9164 			return -1;
9165 		}
9166 	}
9167 
9168 	wpa_sm_set_test_assoc_ie(wpa_s->wpa, buf);
9169 	return 0;
9170 }
9171 
9172 
wpas_ctrl_reset_pn(struct wpa_supplicant * wpa_s)9173 static int wpas_ctrl_reset_pn(struct wpa_supplicant *wpa_s)
9174 {
9175 	u8 zero[WPA_TK_MAX_LEN];
9176 
9177 	if (wpa_s->last_tk_alg == WPA_ALG_NONE)
9178 		return -1;
9179 
9180 	wpa_printf(MSG_INFO, "TESTING: Reset PN");
9181 	os_memset(zero, 0, sizeof(zero));
9182 
9183 	/* First, use a zero key to avoid any possible duplicate key avoidance
9184 	 * in the driver. */
9185 	if (wpa_drv_set_key(wpa_s, wpa_s->last_tk_alg, wpa_s->last_tk_addr,
9186 			    wpa_s->last_tk_key_idx, 1, zero, 6,
9187 			    zero, wpa_s->last_tk_len) < 0)
9188 		return -1;
9189 
9190 	/* Set the previously configured key to reset its TSC/RSC */
9191 	return wpa_drv_set_key(wpa_s, wpa_s->last_tk_alg, wpa_s->last_tk_addr,
9192 			       wpa_s->last_tk_key_idx, 1, zero, 6,
9193 			       wpa_s->last_tk, wpa_s->last_tk_len);
9194 }
9195 
9196 
wpas_ctrl_key_request(struct wpa_supplicant * wpa_s,const char * cmd)9197 static int wpas_ctrl_key_request(struct wpa_supplicant *wpa_s, const char *cmd)
9198 {
9199 	const char *pos = cmd;
9200 	int error, pairwise;
9201 
9202 	error = atoi(pos);
9203 	pos = os_strchr(pos, ' ');
9204 	if (!pos)
9205 		return -1;
9206 	pairwise = atoi(pos);
9207 	wpa_sm_key_request(wpa_s->wpa, error, pairwise);
9208 	return 0;
9209 }
9210 
9211 
wpas_ctrl_resend_assoc(struct wpa_supplicant * wpa_s)9212 static int wpas_ctrl_resend_assoc(struct wpa_supplicant *wpa_s)
9213 {
9214 #ifdef CONFIG_SME
9215 	struct wpa_driver_associate_params params;
9216 	int ret;
9217 
9218 	os_memset(&params, 0, sizeof(params));
9219 	params.bssid = wpa_s->bssid;
9220 	params.ssid = wpa_s->sme.ssid;
9221 	params.ssid_len = wpa_s->sme.ssid_len;
9222 	params.freq.freq = wpa_s->sme.freq;
9223 	if (wpa_s->last_assoc_req_wpa_ie) {
9224 		params.wpa_ie = wpabuf_head(wpa_s->last_assoc_req_wpa_ie);
9225 		params.wpa_ie_len = wpabuf_len(wpa_s->last_assoc_req_wpa_ie);
9226 	}
9227 	params.pairwise_suite = wpa_s->pairwise_cipher;
9228 	params.group_suite = wpa_s->group_cipher;
9229 	params.mgmt_group_suite = wpa_s->mgmt_group_cipher;
9230 	params.key_mgmt_suite = wpa_s->key_mgmt;
9231 	params.wpa_proto = wpa_s->wpa_proto;
9232 	params.mgmt_frame_protection = wpa_s->sme.mfp;
9233 	params.rrm_used = wpa_s->rrm.rrm_used;
9234 	if (wpa_s->sme.prev_bssid_set)
9235 		params.prev_bssid = wpa_s->sme.prev_bssid;
9236 	wpa_printf(MSG_INFO, "TESTING: Resend association request");
9237 	ret = wpa_drv_associate(wpa_s, &params);
9238 	wpa_s->testing_resend_assoc = 1;
9239 	return ret;
9240 #else /* CONFIG_SME */
9241 	return -1;
9242 #endif /* CONFIG_SME */
9243 }
9244 
9245 #endif /* CONFIG_TESTING_OPTIONS */
9246 
9247 
wpas_ctrl_vendor_elem_add(struct wpa_supplicant * wpa_s,char * cmd)9248 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
9249 {
9250 	char *pos = cmd;
9251 	int frame;
9252 	size_t len;
9253 	struct wpabuf *buf;
9254 	struct ieee802_11_elems elems;
9255 
9256 	frame = atoi(pos);
9257 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
9258 		return -1;
9259 	wpa_s = wpas_vendor_elem(wpa_s, frame);
9260 
9261 	pos = os_strchr(pos, ' ');
9262 	if (pos == NULL)
9263 		return -1;
9264 	pos++;
9265 
9266 	len = os_strlen(pos);
9267 	if (len == 0)
9268 		return 0;
9269 	if (len & 1)
9270 		return -1;
9271 	len /= 2;
9272 
9273 	buf = wpabuf_alloc(len);
9274 	if (buf == NULL)
9275 		return -1;
9276 
9277 	if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
9278 		wpabuf_free(buf);
9279 		return -1;
9280 	}
9281 
9282 	if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
9283 	    ParseFailed) {
9284 		wpabuf_free(buf);
9285 		return -1;
9286 	}
9287 
9288 	if (wpa_s->vendor_elem[frame] == NULL) {
9289 		wpa_s->vendor_elem[frame] = buf;
9290 		wpas_vendor_elem_update(wpa_s);
9291 		return 0;
9292 	}
9293 
9294 	if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
9295 		wpabuf_free(buf);
9296 		return -1;
9297 	}
9298 
9299 	wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
9300 	wpabuf_free(buf);
9301 	wpas_vendor_elem_update(wpa_s);
9302 
9303 	return 0;
9304 }
9305 
9306 
wpas_ctrl_vendor_elem_get(struct wpa_supplicant * wpa_s,char * cmd,char * buf,size_t buflen)9307 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
9308 				     char *buf, size_t buflen)
9309 {
9310 	int frame = atoi(cmd);
9311 
9312 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
9313 		return -1;
9314 	wpa_s = wpas_vendor_elem(wpa_s, frame);
9315 
9316 	if (wpa_s->vendor_elem[frame] == NULL)
9317 		return 0;
9318 
9319 	return wpa_snprintf_hex(buf, buflen,
9320 				wpabuf_head_u8(wpa_s->vendor_elem[frame]),
9321 				wpabuf_len(wpa_s->vendor_elem[frame]));
9322 }
9323 
9324 
wpas_ctrl_vendor_elem_remove(struct wpa_supplicant * wpa_s,char * cmd)9325 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
9326 {
9327 	char *pos = cmd;
9328 	int frame;
9329 	size_t len;
9330 	u8 *buf;
9331 	struct ieee802_11_elems elems;
9332 	int res;
9333 
9334 	frame = atoi(pos);
9335 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
9336 		return -1;
9337 	wpa_s = wpas_vendor_elem(wpa_s, frame);
9338 
9339 	pos = os_strchr(pos, ' ');
9340 	if (pos == NULL)
9341 		return -1;
9342 	pos++;
9343 
9344 	if (*pos == '*') {
9345 		wpabuf_free(wpa_s->vendor_elem[frame]);
9346 		wpa_s->vendor_elem[frame] = NULL;
9347 		wpas_vendor_elem_update(wpa_s);
9348 		return 0;
9349 	}
9350 
9351 	if (wpa_s->vendor_elem[frame] == NULL)
9352 		return -1;
9353 
9354 	len = os_strlen(pos);
9355 	if (len == 0)
9356 		return 0;
9357 	if (len & 1)
9358 		return -1;
9359 	len /= 2;
9360 
9361 	buf = os_malloc(len);
9362 	if (buf == NULL)
9363 		return -1;
9364 
9365 	if (hexstr2bin(pos, buf, len) < 0) {
9366 		os_free(buf);
9367 		return -1;
9368 	}
9369 
9370 	if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
9371 		os_free(buf);
9372 		return -1;
9373 	}
9374 
9375 	res = wpas_vendor_elem_remove(wpa_s, frame, buf, len);
9376 	os_free(buf);
9377 	return res;
9378 }
9379 
9380 
wpas_ctrl_neighbor_rep_cb(void * ctx,struct wpabuf * neighbor_rep)9381 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
9382 {
9383 	struct wpa_supplicant *wpa_s = ctx;
9384 	size_t len;
9385 	const u8 *data;
9386 
9387 	/*
9388 	 * Neighbor Report element (IEEE P802.11-REVmc/D5.0)
9389 	 * BSSID[6]
9390 	 * BSSID Information[4]
9391 	 * Operating Class[1]
9392 	 * Channel Number[1]
9393 	 * PHY Type[1]
9394 	 * Optional Subelements[variable]
9395 	 */
9396 #define NR_IE_MIN_LEN (ETH_ALEN + 4 + 1 + 1 + 1)
9397 
9398 	if (!neighbor_rep || wpabuf_len(neighbor_rep) == 0) {
9399 		wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
9400 		goto out;
9401 	}
9402 
9403 	data = wpabuf_head_u8(neighbor_rep);
9404 	len = wpabuf_len(neighbor_rep);
9405 
9406 	while (len >= 2 + NR_IE_MIN_LEN) {
9407 		const u8 *nr;
9408 		char lci[256 * 2 + 1];
9409 		char civic[256 * 2 + 1];
9410 		u8 nr_len = data[1];
9411 		const u8 *pos = data, *end;
9412 
9413 		if (pos[0] != WLAN_EID_NEIGHBOR_REPORT ||
9414 		    nr_len < NR_IE_MIN_LEN) {
9415 			wpa_printf(MSG_DEBUG,
9416 				   "CTRL: Invalid Neighbor Report element: id=%u len=%u",
9417 				   data[0], nr_len);
9418 			goto out;
9419 		}
9420 
9421 		if (2U + nr_len > len) {
9422 			wpa_printf(MSG_DEBUG,
9423 				   "CTRL: Invalid Neighbor Report element: id=%u len=%zu nr_len=%u",
9424 				   data[0], len, nr_len);
9425 			goto out;
9426 		}
9427 		pos += 2;
9428 		end = pos + nr_len;
9429 
9430 		nr = pos;
9431 		pos += NR_IE_MIN_LEN;
9432 
9433 		lci[0] = '\0';
9434 		civic[0] = '\0';
9435 		while (end - pos > 2) {
9436 			u8 s_id, s_len;
9437 
9438 			s_id = *pos++;
9439 			s_len = *pos++;
9440 			if (s_len > end - pos)
9441 				goto out;
9442 			if (s_id == WLAN_EID_MEASURE_REPORT && s_len > 3) {
9443 				/* Measurement Token[1] */
9444 				/* Measurement Report Mode[1] */
9445 				/* Measurement Type[1] */
9446 				/* Measurement Report[variable] */
9447 				switch (pos[2]) {
9448 				case MEASURE_TYPE_LCI:
9449 					if (lci[0])
9450 						break;
9451 					wpa_snprintf_hex(lci, sizeof(lci),
9452 							 pos, s_len);
9453 					break;
9454 				case MEASURE_TYPE_LOCATION_CIVIC:
9455 					if (civic[0])
9456 						break;
9457 					wpa_snprintf_hex(civic, sizeof(civic),
9458 							 pos, s_len);
9459 					break;
9460 				}
9461 			}
9462 
9463 			pos += s_len;
9464 		}
9465 
9466 		wpa_msg(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
9467 			"bssid=" MACSTR
9468 			" info=0x%x op_class=%u chan=%u phy_type=%u%s%s%s%s",
9469 			MAC2STR(nr), WPA_GET_LE32(nr + ETH_ALEN),
9470 			nr[ETH_ALEN + 4], nr[ETH_ALEN + 5],
9471 			nr[ETH_ALEN + 6],
9472 			lci[0] ? " lci=" : "", lci,
9473 			civic[0] ? " civic=" : "", civic);
9474 
9475 		data = end;
9476 		len -= 2 + nr_len;
9477 	}
9478 
9479 out:
9480 	wpabuf_free(neighbor_rep);
9481 }
9482 
9483 
wpas_ctrl_iface_send_neighbor_rep(struct wpa_supplicant * wpa_s,char * cmd)9484 static int wpas_ctrl_iface_send_neighbor_rep(struct wpa_supplicant *wpa_s,
9485 					     char *cmd)
9486 {
9487 	struct wpa_ssid_value ssid, *ssid_p = NULL;
9488 	int ret, lci = 0, civic = 0;
9489 	char *ssid_s;
9490 
9491 	ssid_s = os_strstr(cmd, "ssid=");
9492 	if (ssid_s) {
9493 		if (ssid_parse(ssid_s + 5, &ssid)) {
9494 			wpa_printf(MSG_ERROR,
9495 				   "CTRL: Send Neighbor Report: bad SSID");
9496 			return -1;
9497 		}
9498 
9499 		ssid_p = &ssid;
9500 
9501 		/*
9502 		 * Move cmd after the SSID text that may include "lci" or
9503 		 * "civic".
9504 		 */
9505 		cmd = os_strchr(ssid_s + 6, ssid_s[5] == '"' ? '"' : ' ');
9506 		if (cmd)
9507 			cmd++;
9508 
9509 	}
9510 
9511 	if (cmd && os_strstr(cmd, "lci"))
9512 		lci = 1;
9513 
9514 	if (cmd && os_strstr(cmd, "civic"))
9515 		civic = 1;
9516 
9517 	ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p, lci, civic,
9518 						 wpas_ctrl_neighbor_rep_cb,
9519 						 wpa_s);
9520 
9521 	return ret;
9522 }
9523 
9524 
wpas_ctrl_iface_erp_flush(struct wpa_supplicant * wpa_s)9525 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
9526 {
9527 	eapol_sm_erp_flush(wpa_s->eapol);
9528 	return 0;
9529 }
9530 
9531 
wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant * wpa_s,char * cmd)9532 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
9533 					 char *cmd)
9534 {
9535 	char *token, *context = NULL;
9536 	unsigned int enable = ~0, type = 0;
9537 	u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
9538 	u8 *addr = NULL, *mask = NULL;
9539 
9540 	while ((token = str_token(cmd, " ", &context))) {
9541 		if (os_strcasecmp(token, "scan") == 0) {
9542 			type |= MAC_ADDR_RAND_SCAN;
9543 		} else if (os_strcasecmp(token, "sched") == 0) {
9544 			type |= MAC_ADDR_RAND_SCHED_SCAN;
9545 		} else if (os_strcasecmp(token, "pno") == 0) {
9546 			type |= MAC_ADDR_RAND_PNO;
9547 		} else if (os_strcasecmp(token, "all") == 0) {
9548 			type = wpa_s->mac_addr_rand_supported;
9549 		} else if (os_strncasecmp(token, "enable=", 7) == 0) {
9550 			enable = atoi(token + 7);
9551 		} else if (os_strncasecmp(token, "addr=", 5) == 0) {
9552 			addr = _addr;
9553 			if (hwaddr_aton(token + 5, addr)) {
9554 				wpa_printf(MSG_INFO,
9555 					   "CTRL: Invalid MAC address: %s",
9556 					   token);
9557 				return -1;
9558 			}
9559 		} else if (os_strncasecmp(token, "mask=", 5) == 0) {
9560 			mask = _mask;
9561 			if (hwaddr_aton(token + 5, mask)) {
9562 				wpa_printf(MSG_INFO,
9563 					   "CTRL: Invalid MAC address mask: %s",
9564 					   token);
9565 				return -1;
9566 			}
9567 		} else {
9568 			wpa_printf(MSG_INFO,
9569 				   "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
9570 				   token);
9571 			return -1;
9572 		}
9573 	}
9574 
9575 	if (!type) {
9576 		wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
9577 		return -1;
9578 	}
9579 
9580 	if (enable > 1) {
9581 		wpa_printf(MSG_INFO,
9582 			   "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
9583 		return -1;
9584 	}
9585 
9586 	if (!enable) {
9587 		wpas_mac_addr_rand_scan_clear(wpa_s, type);
9588 		if (wpa_s->pno) {
9589 			if (type & MAC_ADDR_RAND_PNO) {
9590 				wpas_stop_pno(wpa_s);
9591 				wpas_start_pno(wpa_s);
9592 			}
9593 		} else if (wpa_s->sched_scanning &&
9594 			   (type & MAC_ADDR_RAND_SCHED_SCAN)) {
9595 			wpas_scan_restart_sched_scan(wpa_s);
9596 		}
9597 		return 0;
9598 	}
9599 
9600 	if ((addr && !mask) || (!addr && mask)) {
9601 		wpa_printf(MSG_INFO,
9602 			   "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
9603 		return -1;
9604 	}
9605 
9606 	if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
9607 		wpa_printf(MSG_INFO,
9608 			   "CTRL: MAC_RAND_SCAN cannot allow multicast address");
9609 		return -1;
9610 	}
9611 
9612 	if (type & MAC_ADDR_RAND_SCAN) {
9613 		if (wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
9614 					    addr, mask))
9615 			return -1;
9616 	}
9617 
9618 	if (type & MAC_ADDR_RAND_SCHED_SCAN) {
9619 		if (wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
9620 					    addr, mask))
9621 			return -1;
9622 
9623 		if (wpa_s->sched_scanning && !wpa_s->pno)
9624 			wpas_scan_restart_sched_scan(wpa_s);
9625 	}
9626 
9627 	if (type & MAC_ADDR_RAND_PNO) {
9628 		if (wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
9629 					    addr, mask))
9630 			return -1;
9631 
9632 		if (wpa_s->pno) {
9633 			wpas_stop_pno(wpa_s);
9634 			wpas_start_pno(wpa_s);
9635 		}
9636 	}
9637 
9638 	return 0;
9639 }
9640 
9641 
wpas_ctrl_iface_pmksa(struct wpa_supplicant * wpa_s,char * buf,size_t buflen)9642 static int wpas_ctrl_iface_pmksa(struct wpa_supplicant *wpa_s,
9643 				 char *buf, size_t buflen)
9644 {
9645 	size_t reply_len;
9646 
9647 	reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, buf, buflen);
9648 #ifdef CONFIG_AP
9649 	reply_len += wpas_ap_pmksa_cache_list(wpa_s, &buf[reply_len],
9650 					      buflen - reply_len);
9651 #endif /* CONFIG_AP */
9652 	return reply_len;
9653 }
9654 
9655 
wpas_ctrl_iface_pmksa_flush(struct wpa_supplicant * wpa_s)9656 static void wpas_ctrl_iface_pmksa_flush(struct wpa_supplicant *wpa_s)
9657 {
9658 	wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
9659 #ifdef CONFIG_AP
9660 	wpas_ap_pmksa_cache_flush(wpa_s);
9661 #endif /* CONFIG_AP */
9662 }
9663 
9664 
9665 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
9666 
wpas_ctrl_iface_pmksa_get(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)9667 static int wpas_ctrl_iface_pmksa_get(struct wpa_supplicant *wpa_s,
9668 				     const char *cmd, char *buf, size_t buflen)
9669 {
9670 	struct rsn_pmksa_cache_entry *entry;
9671 	struct wpa_ssid *ssid;
9672 	char *pos, *pos2, *end;
9673 	int ret;
9674 	struct os_reltime now;
9675 
9676 	ssid = wpa_config_get_network(wpa_s->conf, atoi(cmd));
9677 	if (!ssid)
9678 		return -1;
9679 
9680 	pos = buf;
9681 	end = buf + buflen;
9682 
9683 	os_get_reltime(&now);
9684 
9685 	/*
9686 	 * Entry format:
9687 	 * <BSSID> <PMKID> <PMK> <reauth_time in seconds>
9688 	 * <expiration in seconds> <akmp> <opportunistic>
9689 	 * [FILS Cache Identifier]
9690 	 */
9691 
9692 	for (entry = wpa_sm_pmksa_cache_head(wpa_s->wpa); entry;
9693 	     entry = entry->next) {
9694 		if (entry->network_ctx != ssid)
9695 			continue;
9696 
9697 		pos2 = pos;
9698 		ret = os_snprintf(pos2, end - pos2, MACSTR " ",
9699 				  MAC2STR(entry->aa));
9700 		if (os_snprintf_error(end - pos2, ret))
9701 			break;
9702 		pos2 += ret;
9703 
9704 		pos2 += wpa_snprintf_hex(pos2, end - pos2, entry->pmkid,
9705 					 PMKID_LEN);
9706 
9707 		ret = os_snprintf(pos2, end - pos2, " ");
9708 		if (os_snprintf_error(end - pos2, ret))
9709 			break;
9710 		pos2 += ret;
9711 
9712 		pos2 += wpa_snprintf_hex(pos2, end - pos2, entry->pmk,
9713 					 entry->pmk_len);
9714 
9715 		ret = os_snprintf(pos2, end - pos2, " %d %d %d %d",
9716 				  (int) (entry->reauth_time - now.sec),
9717 				  (int) (entry->expiration - now.sec),
9718 				  entry->akmp,
9719 				  entry->opportunistic);
9720 		if (os_snprintf_error(end - pos2, ret))
9721 			break;
9722 		pos2 += ret;
9723 
9724 		if (entry->fils_cache_id_set) {
9725 			ret = os_snprintf(pos2, end - pos2, " %02x%02x",
9726 					  entry->fils_cache_id[0],
9727 					  entry->fils_cache_id[1]);
9728 			if (os_snprintf_error(end - pos2, ret))
9729 				break;
9730 			pos2 += ret;
9731 		}
9732 
9733 		ret = os_snprintf(pos2, end - pos2, "\n");
9734 		if (os_snprintf_error(end - pos2, ret))
9735 			break;
9736 		pos2 += ret;
9737 
9738 		pos = pos2;
9739 	}
9740 
9741 	return pos - buf;
9742 }
9743 
9744 
wpas_ctrl_iface_pmksa_add(struct wpa_supplicant * wpa_s,char * cmd)9745 static int wpas_ctrl_iface_pmksa_add(struct wpa_supplicant *wpa_s,
9746 				     char *cmd)
9747 {
9748 	struct rsn_pmksa_cache_entry *entry;
9749 	struct wpa_ssid *ssid;
9750 	char *pos, *pos2;
9751 	int ret = -1;
9752 	struct os_reltime now;
9753 	int reauth_time = 0, expiration = 0, i;
9754 
9755 	/*
9756 	 * Entry format:
9757 	 * <network_id> <BSSID> <PMKID> <PMK> <reauth_time in seconds>
9758 	 * <expiration in seconds> <akmp> <opportunistic>
9759 	 * [FILS Cache Identifier]
9760 	 */
9761 
9762 	ssid = wpa_config_get_network(wpa_s->conf, atoi(cmd));
9763 	if (!ssid)
9764 		return -1;
9765 
9766 	pos = os_strchr(cmd, ' ');
9767 	if (!pos)
9768 		return -1;
9769 	pos++;
9770 
9771 	entry = os_zalloc(sizeof(*entry));
9772 	if (!entry)
9773 		return -1;
9774 
9775 	if (hwaddr_aton(pos, entry->aa))
9776 		goto fail;
9777 
9778 	pos = os_strchr(pos, ' ');
9779 	if (!pos)
9780 		goto fail;
9781 	pos++;
9782 
9783 	if (hexstr2bin(pos, entry->pmkid, PMKID_LEN) < 0)
9784 		goto fail;
9785 
9786 	pos = os_strchr(pos, ' ');
9787 	if (!pos)
9788 		goto fail;
9789 	pos++;
9790 
9791 	pos2 = os_strchr(pos, ' ');
9792 	if (!pos2)
9793 		goto fail;
9794 	entry->pmk_len = (pos2 - pos) / 2;
9795 	if (entry->pmk_len < PMK_LEN || entry->pmk_len > PMK_LEN_MAX ||
9796 	    hexstr2bin(pos, entry->pmk, entry->pmk_len) < 0)
9797 		goto fail;
9798 
9799 	pos = os_strchr(pos, ' ');
9800 	if (!pos)
9801 		goto fail;
9802 	pos++;
9803 
9804 	if (sscanf(pos, "%d %d %d %d", &reauth_time, &expiration,
9805 		   &entry->akmp, &entry->opportunistic) != 4)
9806 		goto fail;
9807 	for (i = 0; i < 4; i++) {
9808 		pos = os_strchr(pos, ' ');
9809 		if (!pos) {
9810 			if (i < 3)
9811 				goto fail;
9812 			break;
9813 		}
9814 		pos++;
9815 	}
9816 	if (pos) {
9817 		if (hexstr2bin(pos, entry->fils_cache_id,
9818 			       FILS_CACHE_ID_LEN) < 0)
9819 			goto fail;
9820 		entry->fils_cache_id_set = 1;
9821 	}
9822 	os_get_reltime(&now);
9823 	entry->expiration = now.sec + expiration;
9824 	entry->reauth_time = now.sec + reauth_time;
9825 
9826 	entry->network_ctx = ssid;
9827 
9828 	wpa_sm_pmksa_cache_add_entry(wpa_s->wpa, entry);
9829 	entry = NULL;
9830 	ret = 0;
9831 fail:
9832 	os_free(entry);
9833 	return ret;
9834 }
9835 
9836 
9837 #ifdef CONFIG_MESH
9838 
wpas_ctrl_iface_mesh_pmksa_get(struct wpa_supplicant * wpa_s,const char * cmd,char * buf,size_t buflen)9839 static int wpas_ctrl_iface_mesh_pmksa_get(struct wpa_supplicant *wpa_s,
9840 					  const char *cmd, char *buf,
9841 					  size_t buflen)
9842 {
9843 	u8 spa[ETH_ALEN];
9844 
9845 	if (!wpa_s->ifmsh)
9846 		return -1;
9847 
9848 	if (os_strcasecmp(cmd, "any") == 0)
9849 		return wpas_ap_pmksa_cache_list_mesh(wpa_s, NULL, buf, buflen);
9850 
9851 	if (hwaddr_aton(cmd, spa))
9852 		return -1;
9853 
9854 	return wpas_ap_pmksa_cache_list_mesh(wpa_s, spa, buf, buflen);
9855 }
9856 
9857 
wpas_ctrl_iface_mesh_pmksa_add(struct wpa_supplicant * wpa_s,char * cmd)9858 static int wpas_ctrl_iface_mesh_pmksa_add(struct wpa_supplicant *wpa_s,
9859 					  char *cmd)
9860 {
9861 	/*
9862 	 * We do not check mesh interface existance because PMKSA should be
9863 	 * stored before wpa_s->ifmsh creation to suppress commit message
9864 	 * creation.
9865 	 */
9866 	return wpas_ap_pmksa_cache_add_external(wpa_s, cmd);
9867 }
9868 
9869 #endif /* CONFIG_MESH */
9870 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
9871 
9872 
9873 #ifdef CONFIG_FILS
wpas_ctrl_iface_fils_hlp_req_add(struct wpa_supplicant * wpa_s,const char * cmd)9874 static int wpas_ctrl_iface_fils_hlp_req_add(struct wpa_supplicant *wpa_s,
9875 					    const char *cmd)
9876 {
9877 	struct fils_hlp_req *req;
9878 	const char *pos;
9879 
9880 	/* format: <dst> <packet starting from ethertype> */
9881 
9882 	req = os_zalloc(sizeof(*req));
9883 	if (!req)
9884 		return -1;
9885 
9886 	if (hwaddr_aton(cmd, req->dst))
9887 		goto fail;
9888 
9889 	pos = os_strchr(cmd, ' ');
9890 	if (!pos)
9891 		goto fail;
9892 	pos++;
9893 	req->pkt = wpabuf_parse_bin(pos);
9894 	if (!req->pkt)
9895 		goto fail;
9896 
9897 	dl_list_add_tail(&wpa_s->fils_hlp_req, &req->list);
9898 	return 0;
9899 fail:
9900 	wpabuf_free(req->pkt);
9901 	os_free(req);
9902 	return -1;
9903 }
9904 #endif /* CONFIG_FILS */
9905 
9906 
wpas_ctrl_cmd_debug_level(const char * cmd)9907 static int wpas_ctrl_cmd_debug_level(const char *cmd)
9908 {
9909 	if (os_strcmp(cmd, "PING") == 0 ||
9910 	    os_strncmp(cmd, "BSS ", 4) == 0 ||
9911 	    os_strncmp(cmd, "GET_NETWORK ", 12) == 0 ||
9912 	    os_strncmp(cmd, "STATUS", 6) == 0 ||
9913 	    os_strncmp(cmd, "STA ", 4) == 0 ||
9914 	    os_strncmp(cmd, "STA-", 4) == 0)
9915 		return MSG_EXCESSIVE;
9916 	return MSG_DEBUG;
9917 }
9918 
9919 
wpa_supplicant_ctrl_iface_process(struct wpa_supplicant * wpa_s,char * buf,size_t * resp_len)9920 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
9921 					 char *buf, size_t *resp_len)
9922 {
9923 	char *reply;
9924 	const int reply_size = 4096;
9925 	int reply_len;
9926 
9927 	if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
9928 	    os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
9929 	    os_strncmp(buf, "PMKSA_ADD ", 10) == 0 ||
9930 	    os_strncmp(buf, "MESH_PMKSA_ADD ", 15) == 0) {
9931 		if (wpa_debug_show_keys)
9932 			wpa_dbg(wpa_s, MSG_DEBUG,
9933 				"Control interface command '%s'", buf);
9934 		else
9935 			wpa_dbg(wpa_s, MSG_DEBUG,
9936 				"Control interface command '%s [REMOVED]'",
9937 				os_strncmp(buf, WPA_CTRL_RSP,
9938 					   os_strlen(WPA_CTRL_RSP)) == 0 ?
9939 				WPA_CTRL_RSP :
9940 				(os_strncmp(buf, "SET_NETWORK ", 12) == 0 ?
9941 				 "SET_NETWORK" : "key-add"));
9942 	} else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
9943 		   os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
9944 		wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
9945 				      (const u8 *) buf, os_strlen(buf));
9946 	} else {
9947 		int level = wpas_ctrl_cmd_debug_level(buf);
9948 		wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
9949 	}
9950 
9951 	reply = os_malloc(reply_size);
9952 	if (reply == NULL) {
9953 		*resp_len = 1;
9954 		return NULL;
9955 	}
9956 
9957 	os_memcpy(reply, "OK\n", 3);
9958 	reply_len = 3;
9959 
9960 	if (os_strcmp(buf, "PING") == 0) {
9961 		os_memcpy(reply, "PONG\n", 5);
9962 		reply_len = 5;
9963 	} else if (os_strcmp(buf, "IFNAME") == 0) {
9964 		reply_len = os_strlen(wpa_s->ifname);
9965 		os_memcpy(reply, wpa_s->ifname, reply_len);
9966 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
9967 		if (wpa_debug_reopen_file() < 0)
9968 			reply_len = -1;
9969 	} else if (os_strncmp(buf, "NOTE ", 5) == 0) {
9970 		wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
9971 	} else if (os_strcmp(buf, "MIB") == 0) {
9972 		reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
9973 		if (reply_len >= 0) {
9974 			reply_len += eapol_sm_get_mib(wpa_s->eapol,
9975 						      reply + reply_len,
9976 						      reply_size - reply_len);
9977 #ifdef CONFIG_MACSEC
9978 			reply_len += ieee802_1x_kay_get_mib(
9979 				wpa_s->kay, reply + reply_len,
9980 				reply_size - reply_len);
9981 #endif /* CONFIG_MACSEC */
9982 		}
9983 	} else if (os_strncmp(buf, "STATUS", 6) == 0) {
9984 		reply_len = wpa_supplicant_ctrl_iface_status(
9985 			wpa_s, buf + 6, reply, reply_size);
9986 	} else if (os_strcmp(buf, "PMKSA") == 0) {
9987 		reply_len = wpas_ctrl_iface_pmksa(wpa_s, reply, reply_size);
9988 	} else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
9989 		wpas_ctrl_iface_pmksa_flush(wpa_s);
9990 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
9991 	} else if (os_strncmp(buf, "PMKSA_GET ", 10) == 0) {
9992 		reply_len = wpas_ctrl_iface_pmksa_get(wpa_s, buf + 10,
9993 						      reply, reply_size);
9994 	} else if (os_strncmp(buf, "PMKSA_ADD ", 10) == 0) {
9995 		if (wpas_ctrl_iface_pmksa_add(wpa_s, buf + 10) < 0)
9996 			reply_len = -1;
9997 #ifdef CONFIG_MESH
9998 	} else if (os_strncmp(buf, "MESH_PMKSA_GET ", 15) == 0) {
9999 		reply_len = wpas_ctrl_iface_mesh_pmksa_get(wpa_s, buf + 15,
10000 							   reply, reply_size);
10001 	} else if (os_strncmp(buf, "MESH_PMKSA_ADD ", 15) == 0) {
10002 		if (wpas_ctrl_iface_mesh_pmksa_add(wpa_s, buf + 15) < 0)
10003 			reply_len = -1;
10004 #endif /* CONFIG_MESH */
10005 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
10006 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
10007 		if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
10008 			reply_len = -1;
10009 	} else if (os_strncmp(buf, "DUMP", 4) == 0) {
10010 		reply_len = wpa_config_dump_values(wpa_s->conf,
10011 						   reply, reply_size);
10012 	} else if (os_strncmp(buf, "GET ", 4) == 0) {
10013 		reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
10014 							  reply, reply_size);
10015 	} else if (os_strcmp(buf, "LOGON") == 0) {
10016 		eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
10017 	} else if (os_strcmp(buf, "LOGOFF") == 0) {
10018 		eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
10019 	} else if (os_strcmp(buf, "REASSOCIATE") == 0) {
10020 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
10021 			reply_len = -1;
10022 		else
10023 			wpas_request_connection(wpa_s);
10024 	} else if (os_strcmp(buf, "REATTACH") == 0) {
10025 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
10026 		    !wpa_s->current_ssid)
10027 			reply_len = -1;
10028 		else {
10029 			wpa_s->reattach = 1;
10030 			wpas_request_connection(wpa_s);
10031 		}
10032 	} else if (os_strcmp(buf, "RECONNECT") == 0) {
10033 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
10034 			reply_len = -1;
10035 		else if (wpa_s->disconnected)
10036 			wpas_request_connection(wpa_s);
10037 #ifdef IEEE8021X_EAPOL
10038 	} else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
10039 		if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
10040 			reply_len = -1;
10041 #endif /* IEEE8021X_EAPOL */
10042 #ifdef CONFIG_IEEE80211R
10043 	} else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
10044 		if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
10045 			reply_len = -1;
10046 #endif /* CONFIG_IEEE80211R */
10047 #ifdef CONFIG_WPS
10048 	} else if (os_strcmp(buf, "WPS_PBC") == 0) {
10049 		int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
10050 		if (res == -2) {
10051 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
10052 			reply_len = 17;
10053 		} else if (res)
10054 			reply_len = -1;
10055 	} else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
10056 		int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
10057 		if (res == -2) {
10058 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
10059 			reply_len = 17;
10060 		} else if (res)
10061 			reply_len = -1;
10062 	} else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
10063 		reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
10064 							      reply,
10065 							      reply_size);
10066 	} else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
10067 		reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
10068 			wpa_s, buf + 14, reply, reply_size);
10069 	} else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
10070 		if (wpas_wps_cancel(wpa_s))
10071 			reply_len = -1;
10072 #ifdef CONFIG_WPS_NFC
10073 	} else if (os_strcmp(buf, "WPS_NFC") == 0) {
10074 		if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
10075 			reply_len = -1;
10076 	} else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
10077 		if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
10078 			reply_len = -1;
10079 	} else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
10080 		reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
10081 			wpa_s, buf + 21, reply, reply_size);
10082 	} else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
10083 		reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
10084 			wpa_s, buf + 14, reply, reply_size);
10085 	} else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
10086 		if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
10087 							       buf + 17))
10088 			reply_len = -1;
10089 	} else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
10090 		reply_len = wpas_ctrl_nfc_get_handover_req(
10091 			wpa_s, buf + 21, reply, reply_size);
10092 	} else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
10093 		reply_len = wpas_ctrl_nfc_get_handover_sel(
10094 			wpa_s, buf + 21, reply, reply_size);
10095 	} else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
10096 		if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
10097 			reply_len = -1;
10098 #endif /* CONFIG_WPS_NFC */
10099 	} else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
10100 		if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
10101 			reply_len = -1;
10102 #ifdef CONFIG_AP
10103 	} else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
10104 		reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
10105 			wpa_s, buf + 11, reply, reply_size);
10106 #endif /* CONFIG_AP */
10107 #ifdef CONFIG_WPS_ER
10108 	} else if (os_strcmp(buf, "WPS_ER_START") == 0) {
10109 		if (wpas_wps_er_start(wpa_s, NULL))
10110 			reply_len = -1;
10111 	} else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
10112 		if (wpas_wps_er_start(wpa_s, buf + 13))
10113 			reply_len = -1;
10114 	} else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
10115 		wpas_wps_er_stop(wpa_s);
10116 	} else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
10117 		if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
10118 			reply_len = -1;
10119 	} else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
10120 		int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
10121 		if (ret == -2) {
10122 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
10123 			reply_len = 17;
10124 		} else if (ret == -3) {
10125 			os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
10126 			reply_len = 18;
10127 		} else if (ret == -4) {
10128 			os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
10129 			reply_len = 20;
10130 		} else if (ret)
10131 			reply_len = -1;
10132 	} else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
10133 		if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
10134 			reply_len = -1;
10135 	} else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
10136 		if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
10137 								buf + 18))
10138 			reply_len = -1;
10139 	} else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
10140 		if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
10141 			reply_len = -1;
10142 #ifdef CONFIG_WPS_NFC
10143 	} else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
10144 		reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
10145 			wpa_s, buf + 24, reply, reply_size);
10146 #endif /* CONFIG_WPS_NFC */
10147 #endif /* CONFIG_WPS_ER */
10148 #endif /* CONFIG_WPS */
10149 #ifdef CONFIG_IBSS_RSN
10150 	} else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
10151 		if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
10152 			reply_len = -1;
10153 #endif /* CONFIG_IBSS_RSN */
10154 #ifdef CONFIG_MESH
10155 	} else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
10156 		reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
10157 			wpa_s, buf + 19, reply, reply_size);
10158 	} else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
10159 		reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
10160 			wpa_s, "", reply, reply_size);
10161 	} else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
10162 		if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
10163 			reply_len = -1;
10164 	} else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
10165 		if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
10166 								buf + 18))
10167 			reply_len = -1;
10168 	} else if (os_strncmp(buf, "MESH_PEER_REMOVE ", 17) == 0) {
10169 		if (wpa_supplicant_ctrl_iface_mesh_peer_remove(wpa_s, buf + 17))
10170 			reply_len = -1;
10171 	} else if (os_strncmp(buf, "MESH_PEER_ADD ", 14) == 0) {
10172 		if (wpa_supplicant_ctrl_iface_mesh_peer_add(wpa_s, buf + 14))
10173 			reply_len = -1;
10174 #endif /* CONFIG_MESH */
10175 #ifdef CONFIG_P2P
10176 	} else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
10177 		if (p2p_ctrl_find(wpa_s, buf + 8))
10178 			reply_len = -1;
10179 	} else if (os_strcmp(buf, "P2P_FIND") == 0) {
10180 		if (p2p_ctrl_find(wpa_s, ""))
10181 			reply_len = -1;
10182 	} else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
10183 		wpas_p2p_stop_find(wpa_s);
10184 	} else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
10185 		if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
10186 			reply_len = -1;
10187 	} else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
10188 		if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
10189 			reply_len = -1;
10190 	} else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
10191 		reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
10192 					     reply_size);
10193 	} else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
10194 		if (p2p_ctrl_listen(wpa_s, buf + 11))
10195 			reply_len = -1;
10196 	} else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
10197 		if (p2p_ctrl_listen(wpa_s, ""))
10198 			reply_len = -1;
10199 	} else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
10200 		if (wpas_p2p_group_remove(wpa_s, buf + 17))
10201 			reply_len = -1;
10202 	} else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
10203 		if (p2p_ctrl_group_add(wpa_s, ""))
10204 			reply_len = -1;
10205 	} else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
10206 		if (p2p_ctrl_group_add(wpa_s, buf + 14))
10207 			reply_len = -1;
10208 	} else if (os_strncmp(buf, "P2P_GROUP_MEMBER ", 17) == 0) {
10209 		reply_len = p2p_ctrl_group_member(wpa_s, buf + 17, reply,
10210 						  reply_size);
10211 	} else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
10212 		if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
10213 			reply_len = -1;
10214 	} else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
10215 		reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
10216 	} else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
10217 		reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
10218 						   reply_size);
10219 	} else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
10220 		if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
10221 			reply_len = -1;
10222 	} else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
10223 		if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
10224 			reply_len = -1;
10225 	} else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
10226 		wpas_p2p_sd_service_update(wpa_s);
10227 	} else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
10228 		if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
10229 			reply_len = -1;
10230 	} else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
10231 		wpas_p2p_service_flush(wpa_s);
10232 	} else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
10233 		if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
10234 			reply_len = -1;
10235 	} else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
10236 		if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
10237 			reply_len = -1;
10238 	} else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
10239 		if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
10240 			reply_len = -1;
10241 	} else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
10242 		if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
10243 			reply_len = -1;
10244 	} else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
10245 		if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
10246 			reply_len = -1;
10247 	} else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
10248 		reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
10249 					      reply_size);
10250 	} else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
10251 		if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
10252 			reply_len = -1;
10253 	} else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
10254 		p2p_ctrl_flush(wpa_s);
10255 	} else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
10256 		if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
10257 			reply_len = -1;
10258 	} else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
10259 		if (wpas_p2p_cancel(wpa_s))
10260 			reply_len = -1;
10261 	} else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
10262 		if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
10263 			reply_len = -1;
10264 	} else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
10265 		if (p2p_ctrl_presence_req(wpa_s, "") < 0)
10266 			reply_len = -1;
10267 	} else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
10268 		if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
10269 			reply_len = -1;
10270 	} else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
10271 		if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
10272 			reply_len = -1;
10273 	} else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
10274 		if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
10275 			reply_len = -1;
10276 	} else if (os_strncmp(buf, "P2P_LO_START ", 13) == 0) {
10277 		if (p2p_ctrl_iface_p2p_lo_start(wpa_s, buf + 13))
10278 			reply_len = -1;
10279 	} else if (os_strcmp(buf, "P2P_LO_STOP") == 0) {
10280 		if (wpas_p2p_lo_stop(wpa_s))
10281 			reply_len = -1;
10282 #endif /* CONFIG_P2P */
10283 #ifdef CONFIG_WIFI_DISPLAY
10284 	} else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
10285 		if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
10286 			reply_len = -1;
10287 	} else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
10288 		reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
10289 						     reply, reply_size);
10290 #endif /* CONFIG_WIFI_DISPLAY */
10291 #ifdef CONFIG_INTERWORKING
10292 	} else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
10293 		if (interworking_fetch_anqp(wpa_s) < 0)
10294 			reply_len = -1;
10295 	} else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
10296 		interworking_stop_fetch_anqp(wpa_s);
10297 	} else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
10298 		if (ctrl_interworking_select(wpa_s, NULL) < 0)
10299 			reply_len = -1;
10300 	} else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
10301 		if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
10302 			reply_len = -1;
10303 	} else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
10304 		if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
10305 			reply_len = -1;
10306 	} else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
10307 		int id;
10308 
10309 		id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
10310 		if (id < 0)
10311 			reply_len = -1;
10312 		else {
10313 			reply_len = os_snprintf(reply, reply_size, "%d\n", id);
10314 			if (os_snprintf_error(reply_size, reply_len))
10315 				reply_len = -1;
10316 		}
10317 	} else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
10318 		if (get_anqp(wpa_s, buf + 9) < 0)
10319 			reply_len = -1;
10320 	} else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
10321 		if (gas_request(wpa_s, buf + 12) < 0)
10322 			reply_len = -1;
10323 	} else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
10324 		reply_len = gas_response_get(wpa_s, buf + 17, reply,
10325 					     reply_size);
10326 #endif /* CONFIG_INTERWORKING */
10327 #ifdef CONFIG_HS20
10328 	} else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
10329 		if (get_hs20_anqp(wpa_s, buf + 14) < 0)
10330 			reply_len = -1;
10331 	} else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
10332 		if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
10333 			reply_len = -1;
10334 	} else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
10335 		if (hs20_icon_request(wpa_s, buf + 18, 0) < 0)
10336 			reply_len = -1;
10337 	} else if (os_strncmp(buf, "REQ_HS20_ICON ", 14) == 0) {
10338 		if (hs20_icon_request(wpa_s, buf + 14, 1) < 0)
10339 			reply_len = -1;
10340 	} else if (os_strncmp(buf, "GET_HS20_ICON ", 14) == 0) {
10341 		reply_len = get_hs20_icon(wpa_s, buf + 14, reply, reply_size);
10342 	} else if (os_strncmp(buf, "DEL_HS20_ICON ", 14) == 0) {
10343 		if (del_hs20_icon(wpa_s, buf + 14) < 0)
10344 			reply_len = -1;
10345 	} else if (os_strcmp(buf, "FETCH_OSU") == 0) {
10346 		if (hs20_fetch_osu(wpa_s, 0) < 0)
10347 			reply_len = -1;
10348 	} else if (os_strcmp(buf, "FETCH_OSU no-scan") == 0) {
10349 		if (hs20_fetch_osu(wpa_s, 1) < 0)
10350 			reply_len = -1;
10351 	} else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
10352 		hs20_cancel_fetch_osu(wpa_s);
10353 #endif /* CONFIG_HS20 */
10354 	} else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
10355 	{
10356 		if (wpa_supplicant_ctrl_iface_ctrl_rsp(
10357 			    wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
10358 			reply_len = -1;
10359 		else {
10360 			/*
10361 			 * Notify response from timeout to allow the control
10362 			 * interface response to be sent first.
10363 			 */
10364 			eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
10365 					       wpa_s, NULL);
10366 		}
10367 	} else if (os_strcmp(buf, "RECONFIGURE") == 0) {
10368 		if (wpa_supplicant_reload_configuration(wpa_s))
10369 			reply_len = -1;
10370 	} else if (os_strcmp(buf, "TERMINATE") == 0) {
10371 		wpa_supplicant_terminate_proc(wpa_s->global);
10372 	} else if (os_strncmp(buf, "BSSID ", 6) == 0) {
10373 		if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
10374 			reply_len = -1;
10375 	} else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
10376 		reply_len = wpa_supplicant_ctrl_iface_blacklist(
10377 			wpa_s, buf + 9, reply, reply_size);
10378 	} else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
10379 		reply_len = wpa_supplicant_ctrl_iface_log_level(
10380 			wpa_s, buf + 9, reply, reply_size);
10381 	} else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
10382 		reply_len = wpa_supplicant_ctrl_iface_list_networks(
10383 			wpa_s, buf + 14, reply, reply_size);
10384 	} else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
10385 		reply_len = wpa_supplicant_ctrl_iface_list_networks(
10386 			wpa_s, NULL, reply, reply_size);
10387 	} else if (os_strcmp(buf, "DISCONNECT") == 0) {
10388 		wpas_request_disconnection(wpa_s);
10389 	} else if (os_strcmp(buf, "SCAN") == 0) {
10390 		wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
10391 	} else if (os_strncmp(buf, "SCAN ", 5) == 0) {
10392 		wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
10393 	} else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
10394 		reply_len = wpa_supplicant_ctrl_iface_scan_results(
10395 			wpa_s, reply, reply_size);
10396 	} else if (os_strcmp(buf, "ABORT_SCAN") == 0) {
10397 		if (wpas_abort_ongoing_scan(wpa_s) < 0)
10398 			reply_len = -1;
10399 	} else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
10400 		if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
10401 			reply_len = -1;
10402 	} else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
10403 		if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
10404 			reply_len = -1;
10405 	} else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
10406 		if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
10407 			reply_len = -1;
10408 	} else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
10409 		reply_len = wpa_supplicant_ctrl_iface_add_network(
10410 			wpa_s, reply, reply_size);
10411 	} else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
10412 		if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
10413 			reply_len = -1;
10414 	} else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
10415 		if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
10416 			reply_len = -1;
10417 	} else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
10418 		reply_len = wpa_supplicant_ctrl_iface_get_network(
10419 			wpa_s, buf + 12, reply, reply_size);
10420 	} else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
10421 		if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12,
10422 							  wpa_s))
10423 			reply_len = -1;
10424 	} else if (os_strcmp(buf, "LIST_CREDS") == 0) {
10425 		reply_len = wpa_supplicant_ctrl_iface_list_creds(
10426 			wpa_s, reply, reply_size);
10427 	} else if (os_strcmp(buf, "ADD_CRED") == 0) {
10428 		reply_len = wpa_supplicant_ctrl_iface_add_cred(
10429 			wpa_s, reply, reply_size);
10430 	} else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
10431 		if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
10432 			reply_len = -1;
10433 	} else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
10434 		if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
10435 			reply_len = -1;
10436 	} else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
10437 		reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
10438 							       reply,
10439 							       reply_size);
10440 #ifndef CONFIG_NO_CONFIG_WRITE
10441 	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
10442 		if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
10443 			reply_len = -1;
10444 #endif /* CONFIG_NO_CONFIG_WRITE */
10445 	} else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
10446 		reply_len = wpa_supplicant_ctrl_iface_get_capability(
10447 			wpa_s, buf + 15, reply, reply_size);
10448 	} else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
10449 		if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
10450 			reply_len = -1;
10451 	} else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
10452 		if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
10453 			reply_len = -1;
10454 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
10455 		reply_len = wpa_supplicant_global_iface_list(
10456 			wpa_s->global, reply, reply_size);
10457 	} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
10458 		reply_len = wpa_supplicant_global_iface_interfaces(
10459 			wpa_s->global, buf + 10, reply, reply_size);
10460 	} else if (os_strncmp(buf, "BSS ", 4) == 0) {
10461 		reply_len = wpa_supplicant_ctrl_iface_bss(
10462 			wpa_s, buf + 4, reply, reply_size);
10463 #ifdef CONFIG_AP
10464 	} else if (os_strcmp(buf, "STA-FIRST") == 0) {
10465 		reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
10466 	} else if (os_strncmp(buf, "STA ", 4) == 0) {
10467 		reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
10468 					      reply_size);
10469 	} else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
10470 		reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
10471 						   reply_size);
10472 	} else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
10473 		if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
10474 			reply_len = -1;
10475 	} else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
10476 		if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
10477 			reply_len = -1;
10478 	} else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
10479 		if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
10480 			reply_len = -1;
10481 	} else if (os_strcmp(buf, "STOP_AP") == 0) {
10482 		if (wpas_ap_stop_ap(wpa_s))
10483 			reply_len = -1;
10484 #endif /* CONFIG_AP */
10485 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
10486 		wpas_notify_suspend(wpa_s->global);
10487 	} else if (os_strcmp(buf, "RESUME") == 0) {
10488 		wpas_notify_resume(wpa_s->global);
10489 #ifdef CONFIG_TESTING_OPTIONS
10490 	} else if (os_strcmp(buf, "DROP_SA") == 0) {
10491 		wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
10492 #endif /* CONFIG_TESTING_OPTIONS */
10493 	} else if (os_strncmp(buf, "ROAM ", 5) == 0) {
10494 		if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
10495 			reply_len = -1;
10496 	} else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
10497 		wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
10498 	} else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
10499 		if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
10500 			reply_len = -1;
10501 	} else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
10502 		if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
10503 							       buf + 17))
10504 			reply_len = -1;
10505 	} else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
10506 		wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
10507 #ifdef CONFIG_TDLS
10508 	} else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
10509 		if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
10510 			reply_len = -1;
10511 	} else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
10512 		if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
10513 			reply_len = -1;
10514 	} else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
10515 		if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
10516 			reply_len = -1;
10517 	} else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
10518 		if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
10519 							       buf + 17))
10520 			reply_len = -1;
10521 	} else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
10522 		if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
10523 								      buf + 24))
10524 			reply_len = -1;
10525 	} else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
10526 		reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
10527 			wpa_s, buf + 17, reply, reply_size);
10528 #endif /* CONFIG_TDLS */
10529 	} else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
10530 		reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
10531 	} else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
10532 		if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
10533 			reply_len = -1;
10534 	} else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
10535 		if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
10536 			reply_len = -1;
10537 	} else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
10538 		reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
10539 						       reply_size);
10540 	} else if (os_strncmp(buf, "SIGNAL_MONITOR", 14) == 0) {
10541 		if (wpas_ctrl_iface_signal_monitor(wpa_s, buf + 14))
10542 			reply_len = -1;
10543 	} else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
10544 		reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
10545 						       reply_size);
10546 #ifdef CONFIG_AUTOSCAN
10547 	} else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
10548 		if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
10549 			reply_len = -1;
10550 #endif /* CONFIG_AUTOSCAN */
10551 	} else if (os_strcmp(buf, "DRIVER_FLAGS") == 0) {
10552 		reply_len = wpas_ctrl_iface_driver_flags(wpa_s, reply,
10553 							 reply_size);
10554 #ifdef ANDROID
10555 	} else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
10556 		reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
10557 						      reply_size);
10558 #endif /* ANDROID */
10559 	} else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
10560 		reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
10561 						      reply_size);
10562 	} else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
10563 		pmksa_cache_clear_current(wpa_s->wpa);
10564 		eapol_sm_request_reauth(wpa_s->eapol);
10565 #ifdef CONFIG_WNM
10566 	} else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
10567 		if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
10568 			reply_len = -1;
10569 	} else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
10570 		if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
10571 				reply_len = -1;
10572 	} else if (os_strncmp(buf, "COLOC_INTF_REPORT ", 18) == 0) {
10573 		if (wpas_ctrl_iface_coloc_intf_report(wpa_s, buf + 18))
10574 			reply_len = -1;
10575 #endif /* CONFIG_WNM */
10576 	} else if (os_strcmp(buf, "FLUSH") == 0) {
10577 		wpa_supplicant_ctrl_iface_flush(wpa_s);
10578 	} else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
10579 		reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
10580 						 reply_size);
10581 #ifdef CONFIG_TESTING_OPTIONS
10582 	} else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
10583 		if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
10584 			reply_len = -1;
10585 	} else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
10586 		wpas_ctrl_iface_mgmt_tx_done(wpa_s);
10587 	} else if (os_strncmp(buf, "MGMT_RX_PROCESS ", 16) == 0) {
10588 		if (wpas_ctrl_iface_mgmt_rx_process(wpa_s, buf + 16) < 0)
10589 			reply_len = -1;
10590 	} else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
10591 		if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
10592 			reply_len = -1;
10593 	} else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
10594 		if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
10595 			reply_len = -1;
10596 	} else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
10597 		if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
10598 			reply_len = -1;
10599 	} else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
10600 		if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
10601 			reply_len = -1;
10602 	} else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
10603 		if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
10604 			reply_len = -1;
10605 	} else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
10606 		if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
10607 			reply_len = -1;
10608 	} else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
10609 		reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
10610 	} else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
10611 		if (wpas_ctrl_test_fail(wpa_s, buf + 10) < 0)
10612 			reply_len = -1;
10613 	} else if (os_strcmp(buf, "GET_FAIL") == 0) {
10614 		reply_len = wpas_ctrl_get_fail(wpa_s, reply, reply_size);
10615 	} else if (os_strncmp(buf, "EVENT_TEST ", 11) == 0) {
10616 		if (wpas_ctrl_event_test(wpa_s, buf + 11) < 0)
10617 			reply_len = -1;
10618 	} else if (os_strncmp(buf, "TEST_ASSOC_IE ", 14) == 0) {
10619 		if (wpas_ctrl_test_assoc_ie(wpa_s, buf + 14) < 0)
10620 			reply_len = -1;
10621 	} else if (os_strcmp(buf, "RESET_PN") == 0) {
10622 		if (wpas_ctrl_reset_pn(wpa_s) < 0)
10623 			reply_len = -1;
10624 	} else if (os_strncmp(buf, "KEY_REQUEST ", 12) == 0) {
10625 		if (wpas_ctrl_key_request(wpa_s, buf + 12) < 0)
10626 			reply_len = -1;
10627 	} else if (os_strcmp(buf, "RESEND_ASSOC") == 0) {
10628 		if (wpas_ctrl_resend_assoc(wpa_s) < 0)
10629 			reply_len = -1;
10630 #ifdef CONFIG_IEEE80211W
10631 	} else if (os_strcmp(buf, "UNPROT_DEAUTH") == 0) {
10632 		sme_event_unprot_disconnect(
10633 			wpa_s, wpa_s->bssid, NULL,
10634 			WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA);
10635 #endif /* CONFIG_IEEE80211W */
10636 #endif /* CONFIG_TESTING_OPTIONS */
10637 	} else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
10638 		if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
10639 			reply_len = -1;
10640 	} else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
10641 		reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
10642 						      reply_size);
10643 	} else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
10644 		if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
10645 			reply_len = -1;
10646 	} else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
10647 		if (wpas_ctrl_iface_send_neighbor_rep(wpa_s, buf + 20))
10648 			reply_len = -1;
10649 	} else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
10650 		wpas_ctrl_iface_erp_flush(wpa_s);
10651 	} else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
10652 		if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
10653 			reply_len = -1;
10654 	} else if (os_strncmp(buf, "GET_PREF_FREQ_LIST ", 19) == 0) {
10655 		reply_len = wpas_ctrl_iface_get_pref_freq_list(
10656 			wpa_s, buf + 19, reply, reply_size);
10657 #ifdef CONFIG_FILS
10658 	} else if (os_strncmp(buf, "FILS_HLP_REQ_ADD ", 17) == 0) {
10659 		if (wpas_ctrl_iface_fils_hlp_req_add(wpa_s, buf + 17))
10660 			reply_len = -1;
10661 	} else if (os_strcmp(buf, "FILS_HLP_REQ_FLUSH") == 0) {
10662 		wpas_flush_fils_hlp_req(wpa_s);
10663 #endif /* CONFIG_FILS */
10664 #ifdef CONFIG_DPP
10665 	} else if (os_strncmp(buf, "DPP_QR_CODE ", 12) == 0) {
10666 		int res;
10667 
10668 		res = wpas_dpp_qr_code(wpa_s, buf + 12);
10669 		if (res < 0) {
10670 			reply_len = -1;
10671 		} else {
10672 			reply_len = os_snprintf(reply, reply_size, "%d", res);
10673 			if (os_snprintf_error(reply_size, reply_len))
10674 				reply_len = -1;
10675 		}
10676 	} else if (os_strncmp(buf, "DPP_BOOTSTRAP_GEN ", 18) == 0) {
10677 		int res;
10678 
10679 		res = dpp_bootstrap_gen(wpa_s->dpp, buf + 18);
10680 		if (res < 0) {
10681 			reply_len = -1;
10682 		} else {
10683 			reply_len = os_snprintf(reply, reply_size, "%d", res);
10684 			if (os_snprintf_error(reply_size, reply_len))
10685 				reply_len = -1;
10686 		}
10687 	} else if (os_strncmp(buf, "DPP_BOOTSTRAP_REMOVE ", 21) == 0) {
10688 		if (dpp_bootstrap_remove(wpa_s->dpp, buf + 21) < 0)
10689 			reply_len = -1;
10690 	} else if (os_strncmp(buf, "DPP_BOOTSTRAP_GET_URI ", 22) == 0) {
10691 		const char *uri;
10692 
10693 		uri = dpp_bootstrap_get_uri(wpa_s->dpp, atoi(buf + 22));
10694 		if (!uri) {
10695 			reply_len = -1;
10696 		} else {
10697 			reply_len = os_snprintf(reply, reply_size, "%s", uri);
10698 			if (os_snprintf_error(reply_size, reply_len))
10699 				reply_len = -1;
10700 		}
10701 	} else if (os_strncmp(buf, "DPP_BOOTSTRAP_INFO ", 19) == 0) {
10702 		reply_len = dpp_bootstrap_info(wpa_s->dpp, atoi(buf + 19),
10703 					       reply, reply_size);
10704 	} else if (os_strncmp(buf, "DPP_AUTH_INIT ", 14) == 0) {
10705 		if (wpas_dpp_auth_init(wpa_s, buf + 13) < 0)
10706 			reply_len = -1;
10707 	} else if (os_strncmp(buf, "DPP_LISTEN ", 11) == 0) {
10708 		if (wpas_dpp_listen(wpa_s, buf + 11) < 0)
10709 			reply_len = -1;
10710 	} else if (os_strcmp(buf, "DPP_STOP_LISTEN") == 0) {
10711 		wpas_dpp_stop(wpa_s);
10712 		wpas_dpp_listen_stop(wpa_s);
10713 	} else if (os_strncmp(buf, "DPP_CONFIGURATOR_ADD", 20) == 0) {
10714 		int res;
10715 
10716 		res = dpp_configurator_add(wpa_s->dpp, buf + 20);
10717 		if (res < 0) {
10718 			reply_len = -1;
10719 		} else {
10720 			reply_len = os_snprintf(reply, reply_size, "%d", res);
10721 			if (os_snprintf_error(reply_size, reply_len))
10722 				reply_len = -1;
10723 		}
10724 	} else if (os_strncmp(buf, "DPP_CONFIGURATOR_REMOVE ", 24) == 0) {
10725 		if (dpp_configurator_remove(wpa_s->dpp, buf + 24) < 0)
10726 			reply_len = -1;
10727 	} else if (os_strncmp(buf, "DPP_CONFIGURATOR_SIGN ", 22) == 0) {
10728 		if (wpas_dpp_configurator_sign(wpa_s, buf + 21) < 0)
10729 			reply_len = -1;
10730 	} else if (os_strncmp(buf, "DPP_CONFIGURATOR_GET_KEY ", 25) == 0) {
10731 		reply_len = dpp_configurator_get_key_id(wpa_s->dpp,
10732 							atoi(buf + 25),
10733 							reply, reply_size);
10734 	} else if (os_strncmp(buf, "DPP_PKEX_ADD ", 13) == 0) {
10735 		int res;
10736 
10737 		res = wpas_dpp_pkex_add(wpa_s, buf + 12);
10738 		if (res < 0) {
10739 			reply_len = -1;
10740 		} else {
10741 			reply_len = os_snprintf(reply, reply_size, "%d", res);
10742 			if (os_snprintf_error(reply_size, reply_len))
10743 				reply_len = -1;
10744 		}
10745 	} else if (os_strncmp(buf, "DPP_PKEX_REMOVE ", 16) == 0) {
10746 		if (wpas_dpp_pkex_remove(wpa_s, buf + 16) < 0)
10747 			reply_len = -1;
10748 #endif /* CONFIG_DPP */
10749 	} else {
10750 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
10751 		reply_len = 16;
10752 	}
10753 
10754 	if (reply_len < 0) {
10755 		os_memcpy(reply, "FAIL\n", 5);
10756 		reply_len = 5;
10757 	}
10758 
10759 	*resp_len = reply_len;
10760 	return reply;
10761 }
10762 
10763 
wpa_supplicant_global_iface_add(struct wpa_global * global,char * cmd)10764 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
10765 					   char *cmd)
10766 {
10767 	struct wpa_interface iface;
10768 	char *pos, *extra;
10769 	struct wpa_supplicant *wpa_s;
10770 	unsigned int create_iface = 0;
10771 	u8 mac_addr[ETH_ALEN];
10772 	enum wpa_driver_if_type type = WPA_IF_STATION;
10773 
10774 	/*
10775 	 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
10776 	 * TAB<bridge_ifname>[TAB<create>[TAB<interface_type>]]
10777 	 */
10778 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
10779 
10780 	os_memset(&iface, 0, sizeof(iface));
10781 
10782 	do {
10783 		iface.ifname = pos = cmd;
10784 		pos = os_strchr(pos, '\t');
10785 		if (pos)
10786 			*pos++ = '\0';
10787 		if (iface.ifname[0] == '\0')
10788 			return -1;
10789 		if (pos == NULL)
10790 			break;
10791 
10792 		iface.confname = pos;
10793 		pos = os_strchr(pos, '\t');
10794 		if (pos)
10795 			*pos++ = '\0';
10796 		if (iface.confname[0] == '\0')
10797 			iface.confname = NULL;
10798 		if (pos == NULL)
10799 			break;
10800 
10801 		iface.driver = pos;
10802 		pos = os_strchr(pos, '\t');
10803 		if (pos)
10804 			*pos++ = '\0';
10805 		if (iface.driver[0] == '\0')
10806 			iface.driver = NULL;
10807 		if (pos == NULL)
10808 			break;
10809 
10810 		iface.ctrl_interface = pos;
10811 		pos = os_strchr(pos, '\t');
10812 		if (pos)
10813 			*pos++ = '\0';
10814 		if (iface.ctrl_interface[0] == '\0')
10815 			iface.ctrl_interface = NULL;
10816 		if (pos == NULL)
10817 			break;
10818 
10819 		iface.driver_param = pos;
10820 		pos = os_strchr(pos, '\t');
10821 		if (pos)
10822 			*pos++ = '\0';
10823 		if (iface.driver_param[0] == '\0')
10824 			iface.driver_param = NULL;
10825 		if (pos == NULL)
10826 			break;
10827 
10828 		iface.bridge_ifname = pos;
10829 		pos = os_strchr(pos, '\t');
10830 		if (pos)
10831 			*pos++ = '\0';
10832 		if (iface.bridge_ifname[0] == '\0')
10833 			iface.bridge_ifname = NULL;
10834 		if (pos == NULL)
10835 			break;
10836 
10837 		extra = pos;
10838 		pos = os_strchr(pos, '\t');
10839 		if (pos)
10840 			*pos++ = '\0';
10841 		if (!extra[0])
10842 			break;
10843 
10844 		if (os_strcmp(extra, "create") == 0) {
10845 			create_iface = 1;
10846 			if (!pos)
10847 				break;
10848 
10849 			if (os_strcmp(pos, "sta") == 0) {
10850 				type = WPA_IF_STATION;
10851 			} else if (os_strcmp(pos, "ap") == 0) {
10852 				type = WPA_IF_AP_BSS;
10853 			} else {
10854 				wpa_printf(MSG_DEBUG,
10855 					   "INTERFACE_ADD unsupported interface type: '%s'",
10856 					   pos);
10857 				return -1;
10858 			}
10859 		} else {
10860 			wpa_printf(MSG_DEBUG,
10861 				   "INTERFACE_ADD unsupported extra parameter: '%s'",
10862 				   extra);
10863 			return -1;
10864 		}
10865 	} while (0);
10866 
10867 	if (create_iface) {
10868 		wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
10869 			   iface.ifname);
10870 		if (!global->ifaces)
10871 			return -1;
10872 		if (wpa_drv_if_add(global->ifaces, type, iface.ifname,
10873 				   NULL, NULL, NULL, mac_addr, NULL) < 0) {
10874 			wpa_printf(MSG_ERROR,
10875 				   "CTRL_IFACE interface creation failed");
10876 			return -1;
10877 		}
10878 
10879 		wpa_printf(MSG_DEBUG,
10880 			   "CTRL_IFACE interface '%s' created with MAC addr: "
10881 			   MACSTR, iface.ifname, MAC2STR(mac_addr));
10882 	}
10883 
10884 	if (wpa_supplicant_get_iface(global, iface.ifname))
10885 		goto fail;
10886 
10887 	wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
10888 	if (!wpa_s)
10889 		goto fail;
10890 	wpa_s->added_vif = create_iface;
10891 	return 0;
10892 
10893 fail:
10894 	if (create_iface)
10895 		wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
10896 	return -1;
10897 }
10898 
10899 
wpa_supplicant_global_iface_remove(struct wpa_global * global,char * cmd)10900 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
10901 					      char *cmd)
10902 {
10903 	struct wpa_supplicant *wpa_s;
10904 	int ret;
10905 	unsigned int delete_iface;
10906 
10907 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
10908 
10909 	wpa_s = wpa_supplicant_get_iface(global, cmd);
10910 	if (wpa_s == NULL)
10911 		return -1;
10912 	delete_iface = wpa_s->added_vif;
10913 	ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
10914 	if (!ret && delete_iface) {
10915 		wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
10916 			   cmd);
10917 		ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
10918 	}
10919 	return ret;
10920 }
10921 
10922 
wpa_free_iface_info(struct wpa_interface_info * iface)10923 static void wpa_free_iface_info(struct wpa_interface_info *iface)
10924 {
10925 	struct wpa_interface_info *prev;
10926 
10927 	while (iface) {
10928 		prev = iface;
10929 		iface = iface->next;
10930 
10931 		os_free(prev->ifname);
10932 		os_free(prev->desc);
10933 		os_free(prev);
10934 	}
10935 }
10936 
10937 
wpa_supplicant_global_iface_list(struct wpa_global * global,char * buf,int len)10938 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
10939 					    char *buf, int len)
10940 {
10941 	int i, res;
10942 	struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
10943 	char *pos, *end;
10944 
10945 	for (i = 0; wpa_drivers[i]; i++) {
10946 		const struct wpa_driver_ops *drv = wpa_drivers[i];
10947 		if (drv->get_interfaces == NULL)
10948 			continue;
10949 		tmp = drv->get_interfaces(global->drv_priv[i]);
10950 		if (tmp == NULL)
10951 			continue;
10952 
10953 		if (last == NULL)
10954 			iface = last = tmp;
10955 		else
10956 			last->next = tmp;
10957 		while (last->next)
10958 			last = last->next;
10959 	}
10960 
10961 	pos = buf;
10962 	end = buf + len;
10963 	for (tmp = iface; tmp; tmp = tmp->next) {
10964 		res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
10965 				  tmp->drv_name, tmp->ifname,
10966 				  tmp->desc ? tmp->desc : "");
10967 		if (os_snprintf_error(end - pos, res)) {
10968 			*pos = '\0';
10969 			break;
10970 		}
10971 		pos += res;
10972 	}
10973 
10974 	wpa_free_iface_info(iface);
10975 
10976 	return pos - buf;
10977 }
10978 
10979 
wpa_supplicant_global_iface_interfaces(struct wpa_global * global,const char * input,char * buf,int len)10980 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
10981 						  const char *input,
10982 						  char *buf, int len)
10983 {
10984 	int res;
10985 	char *pos, *end;
10986 	struct wpa_supplicant *wpa_s;
10987 	int show_ctrl = 0;
10988 
10989 	if (input)
10990 		show_ctrl = !!os_strstr(input, "ctrl");
10991 
10992 	wpa_s = global->ifaces;
10993 	pos = buf;
10994 	end = buf + len;
10995 
10996 	while (wpa_s) {
10997 		if (show_ctrl)
10998 			res = os_snprintf(pos, end - pos, "%s ctrl_iface=%s\n",
10999 					  wpa_s->ifname,
11000 					  wpa_s->conf->ctrl_interface ?
11001 					  wpa_s->conf->ctrl_interface : "N/A");
11002 		else
11003 			res = os_snprintf(pos, end - pos, "%s\n",
11004 					  wpa_s->ifname);
11005 
11006 		if (os_snprintf_error(end - pos, res)) {
11007 			*pos = '\0';
11008 			break;
11009 		}
11010 		pos += res;
11011 		wpa_s = wpa_s->next;
11012 	}
11013 	return pos - buf;
11014 }
11015 
11016 
wpas_global_ctrl_iface_ifname(struct wpa_global * global,const char * ifname,char * cmd,size_t * resp_len)11017 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
11018 					    const char *ifname,
11019 					    char *cmd, size_t *resp_len)
11020 {
11021 	struct wpa_supplicant *wpa_s;
11022 
11023 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
11024 		if (os_strcmp(ifname, wpa_s->ifname) == 0)
11025 			break;
11026 	}
11027 
11028 	if (wpa_s == NULL) {
11029 		char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
11030 		if (resp)
11031 			*resp_len = os_strlen(resp);
11032 		else
11033 			*resp_len = 1;
11034 		return resp;
11035 	}
11036 
11037 	return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
11038 }
11039 
11040 
wpas_global_ctrl_iface_redir_p2p(struct wpa_global * global,char * buf,size_t * resp_len)11041 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
11042 					       char *buf, size_t *resp_len)
11043 {
11044 #ifdef CONFIG_P2P
11045 	static const char * cmd[] = {
11046 		"LIST_NETWORKS",
11047 		"P2P_FIND",
11048 		"P2P_STOP_FIND",
11049 		"P2P_LISTEN",
11050 		"P2P_GROUP_ADD",
11051 		"P2P_GET_PASSPHRASE",
11052 		"P2P_SERVICE_UPDATE",
11053 		"P2P_SERVICE_FLUSH",
11054 		"P2P_FLUSH",
11055 		"P2P_CANCEL",
11056 		"P2P_PRESENCE_REQ",
11057 		"P2P_EXT_LISTEN",
11058 #ifdef CONFIG_AP
11059 		"STA-FIRST",
11060 #endif /* CONFIG_AP */
11061 		NULL
11062 	};
11063 	static const char * prefix[] = {
11064 #ifdef ANDROID
11065 		"DRIVER ",
11066 #endif /* ANDROID */
11067 		"GET_CAPABILITY ",
11068 		"GET_NETWORK ",
11069 		"REMOVE_NETWORK ",
11070 		"P2P_FIND ",
11071 		"P2P_CONNECT ",
11072 		"P2P_LISTEN ",
11073 		"P2P_GROUP_REMOVE ",
11074 		"P2P_GROUP_ADD ",
11075 		"P2P_GROUP_MEMBER ",
11076 		"P2P_PROV_DISC ",
11077 		"P2P_SERV_DISC_REQ ",
11078 		"P2P_SERV_DISC_CANCEL_REQ ",
11079 		"P2P_SERV_DISC_RESP ",
11080 		"P2P_SERV_DISC_EXTERNAL ",
11081 		"P2P_SERVICE_ADD ",
11082 		"P2P_SERVICE_DEL ",
11083 		"P2P_SERVICE_REP ",
11084 		"P2P_REJECT ",
11085 		"P2P_INVITE ",
11086 		"P2P_PEER ",
11087 		"P2P_SET ",
11088 		"P2P_UNAUTHORIZE ",
11089 		"P2P_PRESENCE_REQ ",
11090 		"P2P_EXT_LISTEN ",
11091 		"P2P_REMOVE_CLIENT ",
11092 		"WPS_NFC_TOKEN ",
11093 		"WPS_NFC_TAG_READ ",
11094 		"NFC_GET_HANDOVER_SEL ",
11095 		"NFC_GET_HANDOVER_REQ ",
11096 		"NFC_REPORT_HANDOVER ",
11097 		"P2P_ASP_PROVISION ",
11098 		"P2P_ASP_PROVISION_RESP ",
11099 #ifdef CONFIG_AP
11100 		"STA ",
11101 		"STA-NEXT ",
11102 #endif /* CONFIG_AP */
11103 		NULL
11104 	};
11105 	int found = 0;
11106 	int i;
11107 
11108 	if (global->p2p_init_wpa_s == NULL)
11109 		return NULL;
11110 
11111 	for (i = 0; !found && cmd[i]; i++) {
11112 		if (os_strcmp(buf, cmd[i]) == 0)
11113 			found = 1;
11114 	}
11115 
11116 	for (i = 0; !found && prefix[i]; i++) {
11117 		if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
11118 			found = 1;
11119 	}
11120 
11121 	if (found)
11122 		return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
11123 							 buf, resp_len);
11124 #endif /* CONFIG_P2P */
11125 	return NULL;
11126 }
11127 
11128 
wpas_global_ctrl_iface_redir_wfd(struct wpa_global * global,char * buf,size_t * resp_len)11129 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
11130 					       char *buf, size_t *resp_len)
11131 {
11132 #ifdef CONFIG_WIFI_DISPLAY
11133 	if (global->p2p_init_wpa_s == NULL)
11134 		return NULL;
11135 	if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
11136 	    os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
11137 		return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
11138 							 buf, resp_len);
11139 #endif /* CONFIG_WIFI_DISPLAY */
11140 	return NULL;
11141 }
11142 
11143 
wpas_global_ctrl_iface_redir(struct wpa_global * global,char * buf,size_t * resp_len)11144 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
11145 					   char *buf, size_t *resp_len)
11146 {
11147 	char *ret;
11148 
11149 	ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
11150 	if (ret)
11151 		return ret;
11152 
11153 	ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
11154 	if (ret)
11155 		return ret;
11156 
11157 	return NULL;
11158 }
11159 
11160 
wpas_global_ctrl_iface_set(struct wpa_global * global,char * cmd)11161 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
11162 {
11163 	char *value;
11164 
11165 	value = os_strchr(cmd, ' ');
11166 	if (value == NULL)
11167 		return -1;
11168 	*value++ = '\0';
11169 
11170 	wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
11171 
11172 #ifdef CONFIG_WIFI_DISPLAY
11173 	if (os_strcasecmp(cmd, "wifi_display") == 0) {
11174 		wifi_display_enable(global, !!atoi(value));
11175 		return 0;
11176 	}
11177 #endif /* CONFIG_WIFI_DISPLAY */
11178 
11179 	/* Restore cmd to its original value to allow redirection */
11180 	value[-1] = ' ';
11181 
11182 	return -1;
11183 }
11184 
11185 
wpas_global_ctrl_iface_dup_network(struct wpa_global * global,char * cmd)11186 static int wpas_global_ctrl_iface_dup_network(struct wpa_global *global,
11187 					      char *cmd)
11188 {
11189 	struct wpa_supplicant *wpa_s[2]; /* src, dst */
11190 	char *p;
11191 	unsigned int i;
11192 
11193 	/* cmd: "<src ifname> <dst ifname> <src network id> <dst network id>
11194 	 * <variable name> */
11195 
11196 	for (i = 0; i < ARRAY_SIZE(wpa_s) ; i++) {
11197 		p = os_strchr(cmd, ' ');
11198 		if (p == NULL)
11199 			return -1;
11200 		*p = '\0';
11201 
11202 		wpa_s[i] = global->ifaces;
11203 		for (; wpa_s[i]; wpa_s[i] = wpa_s[i]->next) {
11204 			if (os_strcmp(cmd, wpa_s[i]->ifname) == 0)
11205 				break;
11206 		}
11207 
11208 		if (!wpa_s[i]) {
11209 			wpa_printf(MSG_DEBUG,
11210 				   "CTRL_IFACE: Could not find iface=%s", cmd);
11211 			return -1;
11212 		}
11213 
11214 		cmd = p + 1;
11215 	}
11216 
11217 	return wpa_supplicant_ctrl_iface_dup_network(wpa_s[0], cmd, wpa_s[1]);
11218 }
11219 
11220 
11221 #ifndef CONFIG_NO_CONFIG_WRITE
wpas_global_ctrl_iface_save_config(struct wpa_global * global)11222 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
11223 {
11224 	int ret = 0, saved = 0;
11225 	struct wpa_supplicant *wpa_s;
11226 
11227 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
11228 		if (!wpa_s->conf->update_config) {
11229 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
11230 			continue;
11231 		}
11232 
11233 		if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
11234 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
11235 			ret = 1;
11236 		} else {
11237 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
11238 			saved++;
11239 		}
11240 	}
11241 
11242 	if (!saved && !ret) {
11243 		wpa_dbg(wpa_s, MSG_DEBUG,
11244 			"CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
11245 		ret = 1;
11246 	}
11247 
11248 	return ret;
11249 }
11250 #endif /* CONFIG_NO_CONFIG_WRITE */
11251 
11252 
wpas_global_ctrl_iface_status(struct wpa_global * global,char * buf,size_t buflen)11253 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
11254 					 char *buf, size_t buflen)
11255 {
11256 	char *pos, *end;
11257 	int ret;
11258 	struct wpa_supplicant *wpa_s;
11259 
11260 	pos = buf;
11261 	end = buf + buflen;
11262 
11263 #ifdef CONFIG_P2P
11264 	if (global->p2p && !global->p2p_disabled) {
11265 		ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
11266 				  "\n"
11267 				  "p2p_state=%s\n",
11268 				  MAC2STR(global->p2p_dev_addr),
11269 				  p2p_get_state_txt(global->p2p));
11270 		if (os_snprintf_error(end - pos, ret))
11271 			return pos - buf;
11272 		pos += ret;
11273 	} else if (global->p2p) {
11274 		ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
11275 		if (os_snprintf_error(end - pos, ret))
11276 			return pos - buf;
11277 		pos += ret;
11278 	}
11279 #endif /* CONFIG_P2P */
11280 
11281 #ifdef CONFIG_WIFI_DISPLAY
11282 	ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
11283 			  !!global->wifi_display);
11284 	if (os_snprintf_error(end - pos, ret))
11285 		return pos - buf;
11286 	pos += ret;
11287 #endif /* CONFIG_WIFI_DISPLAY */
11288 
11289 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
11290 		ret = os_snprintf(pos, end - pos, "ifname=%s\n"
11291 				  "address=" MACSTR "\n",
11292 				  wpa_s->ifname, MAC2STR(wpa_s->own_addr));
11293 		if (os_snprintf_error(end - pos, ret))
11294 			return pos - buf;
11295 		pos += ret;
11296 	}
11297 
11298 	return pos - buf;
11299 }
11300 
11301 
11302 #ifdef CONFIG_FST
11303 
wpas_global_ctrl_iface_fst_attach(struct wpa_global * global,char * cmd,char * buf,size_t reply_size)11304 static int wpas_global_ctrl_iface_fst_attach(struct wpa_global *global,
11305 					     char *cmd, char *buf,
11306 					     size_t reply_size)
11307 {
11308 	char ifname[IFNAMSIZ + 1];
11309 	struct fst_iface_cfg cfg;
11310 	struct wpa_supplicant *wpa_s;
11311 	struct fst_wpa_obj iface_obj;
11312 
11313 	if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
11314 		wpa_s = wpa_supplicant_get_iface(global, ifname);
11315 		if (wpa_s) {
11316 			if (wpa_s->fst) {
11317 				wpa_printf(MSG_INFO, "FST: Already attached");
11318 				return -1;
11319 			}
11320 			fst_wpa_supplicant_fill_iface_obj(wpa_s, &iface_obj);
11321 			wpa_s->fst = fst_attach(ifname, wpa_s->own_addr,
11322 						&iface_obj, &cfg);
11323 			if (wpa_s->fst)
11324 				return os_snprintf(buf, reply_size, "OK\n");
11325 		}
11326 	}
11327 
11328 	return -1;
11329 }
11330 
11331 
wpas_global_ctrl_iface_fst_detach(struct wpa_global * global,char * cmd,char * buf,size_t reply_size)11332 static int wpas_global_ctrl_iface_fst_detach(struct wpa_global *global,
11333 					     char *cmd, char *buf,
11334 					     size_t reply_size)
11335 {
11336 	char ifname[IFNAMSIZ + 1];
11337 	struct wpa_supplicant *wpa_s;
11338 
11339 	if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
11340 		wpa_s = wpa_supplicant_get_iface(global, ifname);
11341 		if (wpa_s) {
11342 			if (!fst_iface_detach(ifname)) {
11343 				wpa_s->fst = NULL;
11344 				return os_snprintf(buf, reply_size, "OK\n");
11345 			}
11346 		}
11347 	}
11348 
11349 	return -1;
11350 }
11351 
11352 #endif /* CONFIG_FST */
11353 
11354 
wpa_supplicant_global_ctrl_iface_process(struct wpa_global * global,char * buf,size_t * resp_len)11355 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
11356 						char *buf, size_t *resp_len)
11357 {
11358 	char *reply;
11359 	const int reply_size = 2048;
11360 	int reply_len;
11361 	int level = MSG_DEBUG;
11362 
11363 	if (os_strncmp(buf, "IFNAME=", 7) == 0) {
11364 		char *pos = os_strchr(buf + 7, ' ');
11365 		if (pos) {
11366 			*pos++ = '\0';
11367 			return wpas_global_ctrl_iface_ifname(global,
11368 							     buf + 7, pos,
11369 							     resp_len);
11370 		}
11371 	}
11372 
11373 	reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
11374 	if (reply)
11375 		return reply;
11376 
11377 	if (os_strcmp(buf, "PING") == 0)
11378 		level = MSG_EXCESSIVE;
11379 	wpa_hexdump_ascii(level, "RX global ctrl_iface",
11380 			  (const u8 *) buf, os_strlen(buf));
11381 
11382 	reply = os_malloc(reply_size);
11383 	if (reply == NULL) {
11384 		*resp_len = 1;
11385 		return NULL;
11386 	}
11387 
11388 	os_memcpy(reply, "OK\n", 3);
11389 	reply_len = 3;
11390 
11391 	if (os_strcmp(buf, "PING") == 0) {
11392 		os_memcpy(reply, "PONG\n", 5);
11393 		reply_len = 5;
11394 	} else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
11395 		if (wpa_supplicant_global_iface_add(global, buf + 14))
11396 			reply_len = -1;
11397 	} else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
11398 		if (wpa_supplicant_global_iface_remove(global, buf + 17))
11399 			reply_len = -1;
11400 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
11401 		reply_len = wpa_supplicant_global_iface_list(
11402 			global, reply, reply_size);
11403 	} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
11404 		reply_len = wpa_supplicant_global_iface_interfaces(
11405 			global, buf + 10, reply, reply_size);
11406 #ifdef CONFIG_FST
11407 	} else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
11408 		reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
11409 							      reply,
11410 							      reply_size);
11411 	} else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
11412 		reply_len = wpas_global_ctrl_iface_fst_detach(global, buf + 11,
11413 							      reply,
11414 							      reply_size);
11415 	} else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
11416 		reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
11417 #endif /* CONFIG_FST */
11418 	} else if (os_strcmp(buf, "TERMINATE") == 0) {
11419 		wpa_supplicant_terminate_proc(global);
11420 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
11421 		wpas_notify_suspend(global);
11422 	} else if (os_strcmp(buf, "RESUME") == 0) {
11423 		wpas_notify_resume(global);
11424 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
11425 		if (wpas_global_ctrl_iface_set(global, buf + 4)) {
11426 #ifdef CONFIG_P2P
11427 			if (global->p2p_init_wpa_s) {
11428 				os_free(reply);
11429 				/* Check if P2P redirection would work for this
11430 				 * command. */
11431 				return wpa_supplicant_ctrl_iface_process(
11432 					global->p2p_init_wpa_s,
11433 					buf, resp_len);
11434 			}
11435 #endif /* CONFIG_P2P */
11436 			reply_len = -1;
11437 		}
11438 	} else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
11439 		if (wpas_global_ctrl_iface_dup_network(global, buf + 12))
11440 			reply_len = -1;
11441 #ifndef CONFIG_NO_CONFIG_WRITE
11442 	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
11443 		if (wpas_global_ctrl_iface_save_config(global))
11444 			reply_len = -1;
11445 #endif /* CONFIG_NO_CONFIG_WRITE */
11446 	} else if (os_strcmp(buf, "STATUS") == 0) {
11447 		reply_len = wpas_global_ctrl_iface_status(global, reply,
11448 							  reply_size);
11449 #ifdef CONFIG_MODULE_TESTS
11450 	} else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
11451 		if (wpas_module_tests() < 0)
11452 			reply_len = -1;
11453 #endif /* CONFIG_MODULE_TESTS */
11454 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
11455 		if (wpa_debug_reopen_file() < 0)
11456 			reply_len = -1;
11457 	} else {
11458 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
11459 		reply_len = 16;
11460 	}
11461 
11462 	if (reply_len < 0) {
11463 		os_memcpy(reply, "FAIL\n", 5);
11464 		reply_len = 5;
11465 	}
11466 
11467 	*resp_len = reply_len;
11468 	return reply;
11469 }
11470