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