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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 "config.h"
     32 #include "wpa_supplicant_i.h"
     33 #include "driver_i.h"
     34 #include "wps_supplicant.h"
     35 #include "ibss_rsn.h"
     36 #include "ap.h"
     37 #include "p2p_supplicant.h"
     38 #include "p2p/p2p.h"
     39 #include "hs20_supplicant.h"
     40 #include "wifi_display.h"
     41 #include "notify.h"
     42 #include "bss.h"
     43 #include "scan.h"
     44 #include "ctrl_iface.h"
     45 #include "interworking.h"
     46 #include "blacklist.h"
     47 #include "autoscan.h"
     48 #include "wnm_sta.h"
     49 #include "offchannel.h"
     50 #include "drivers/driver.h"
     51 #include "mesh.h"
     52 
     53 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
     54 					    char *buf, int len);
     55 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
     56 						  char *buf, int len);
     57 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
     58 					char *val);
     59 
     60 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
     61 {
     62 	char *pos;
     63 	u8 addr[ETH_ALEN], *filter = NULL, *n;
     64 	size_t count = 0;
     65 
     66 	pos = val;
     67 	while (pos) {
     68 		if (*pos == '\0')
     69 			break;
     70 		if (hwaddr_aton(pos, addr)) {
     71 			os_free(filter);
     72 			return -1;
     73 		}
     74 		n = os_realloc_array(filter, count + 1, ETH_ALEN);
     75 		if (n == NULL) {
     76 			os_free(filter);
     77 			return -1;
     78 		}
     79 		filter = n;
     80 		os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
     81 		count++;
     82 
     83 		pos = os_strchr(pos, ' ');
     84 		if (pos)
     85 			pos++;
     86 	}
     87 
     88 	wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
     89 	os_free(wpa_s->bssid_filter);
     90 	wpa_s->bssid_filter = filter;
     91 	wpa_s->bssid_filter_count = count;
     92 
     93 	return 0;
     94 }
     95 
     96 
     97 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
     98 {
     99 	char *pos;
    100 	u8 addr[ETH_ALEN], *bssid = NULL, *n;
    101 	struct wpa_ssid_value *ssid = NULL, *ns;
    102 	size_t count = 0, ssid_count = 0;
    103 	struct wpa_ssid *c;
    104 
    105 	/*
    106 	 * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
    107 	 * SSID_SPEC ::= ssid <SSID_HEX>
    108 	 * BSSID_SPEC ::= bssid <BSSID_HEX>
    109 	 */
    110 
    111 	pos = val;
    112 	while (pos) {
    113 		if (*pos == '\0')
    114 			break;
    115 		if (os_strncmp(pos, "bssid ", 6) == 0) {
    116 			int res;
    117 			pos += 6;
    118 			res = hwaddr_aton2(pos, addr);
    119 			if (res < 0) {
    120 				os_free(ssid);
    121 				os_free(bssid);
    122 				wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
    123 					   "BSSID value '%s'", pos);
    124 				return -1;
    125 			}
    126 			pos += res;
    127 			n = os_realloc_array(bssid, count + 1, ETH_ALEN);
    128 			if (n == NULL) {
    129 				os_free(ssid);
    130 				os_free(bssid);
    131 				return -1;
    132 			}
    133 			bssid = n;
    134 			os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
    135 			count++;
    136 		} else if (os_strncmp(pos, "ssid ", 5) == 0) {
    137 			char *end;
    138 			pos += 5;
    139 
    140 			end = pos;
    141 			while (*end) {
    142 				if (*end == '\0' || *end == ' ')
    143 					break;
    144 				end++;
    145 			}
    146 
    147 			ns = os_realloc_array(ssid, ssid_count + 1,
    148 					      sizeof(struct wpa_ssid_value));
    149 			if (ns == NULL) {
    150 				os_free(ssid);
    151 				os_free(bssid);
    152 				return -1;
    153 			}
    154 			ssid = ns;
    155 
    156 			if ((end - pos) & 0x01 ||
    157 			    end - pos > 2 * SSID_MAX_LEN ||
    158 			    hexstr2bin(pos, ssid[ssid_count].ssid,
    159 				       (end - pos) / 2) < 0) {
    160 				os_free(ssid);
    161 				os_free(bssid);
    162 				wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
    163 					   "SSID value '%s'", pos);
    164 				return -1;
    165 			}
    166 			ssid[ssid_count].ssid_len = (end - pos) / 2;
    167 			wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
    168 					  ssid[ssid_count].ssid,
    169 					  ssid[ssid_count].ssid_len);
    170 			ssid_count++;
    171 			pos = end;
    172 		} else {
    173 			wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
    174 				   "'%s'", pos);
    175 			os_free(ssid);
    176 			os_free(bssid);
    177 			return -1;
    178 		}
    179 
    180 		pos = os_strchr(pos, ' ');
    181 		if (pos)
    182 			pos++;
    183 	}
    184 
    185 	wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
    186 	os_free(wpa_s->disallow_aps_bssid);
    187 	wpa_s->disallow_aps_bssid = bssid;
    188 	wpa_s->disallow_aps_bssid_count = count;
    189 
    190 	wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
    191 	os_free(wpa_s->disallow_aps_ssid);
    192 	wpa_s->disallow_aps_ssid = ssid;
    193 	wpa_s->disallow_aps_ssid_count = ssid_count;
    194 
    195 	if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
    196 		return 0;
    197 
    198 	c = wpa_s->current_ssid;
    199 	if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
    200 		return 0;
    201 
    202 	if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
    203 	    !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
    204 		return 0;
    205 
    206 	wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
    207 		   "because current AP was marked disallowed");
    208 
    209 #ifdef CONFIG_SME
    210 	wpa_s->sme.prev_bssid_set = 0;
    211 #endif /* CONFIG_SME */
    212 	wpa_s->reassociate = 1;
    213 	wpa_s->own_disconnect_req = 1;
    214 	wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
    215 	wpa_supplicant_req_scan(wpa_s, 0, 0);
    216 
    217 	return 0;
    218 }
    219 
    220 
    221 #ifndef CONFIG_NO_CONFIG_BLOBS
    222 static int wpas_ctrl_set_blob(struct wpa_supplicant *wpa_s, char *pos)
    223 {
    224 	char *name = pos;
    225 	struct wpa_config_blob *blob;
    226 	size_t len;
    227 
    228 	pos = os_strchr(pos, ' ');
    229 	if (pos == NULL)
    230 		return -1;
    231 	*pos++ = '\0';
    232 	len = os_strlen(pos);
    233 	if (len & 1)
    234 		return -1;
    235 
    236 	wpa_printf(MSG_DEBUG, "CTRL: Set blob '%s'", name);
    237 	blob = os_zalloc(sizeof(*blob));
    238 	if (blob == NULL)
    239 		return -1;
    240 	blob->name = os_strdup(name);
    241 	blob->data = os_malloc(len / 2);
    242 	if (blob->name == NULL || blob->data == NULL) {
    243 		wpa_config_free_blob(blob);
    244 		return -1;
    245 	}
    246 
    247 	if (hexstr2bin(pos, blob->data, len / 2) < 0) {
    248 		wpa_printf(MSG_DEBUG, "CTRL: Invalid blob hex data");
    249 		wpa_config_free_blob(blob);
    250 		return -1;
    251 	}
    252 	blob->len = len / 2;
    253 
    254 	wpa_config_set_blob(wpa_s->conf, blob);
    255 
    256 	return 0;
    257 }
    258 #endif /* CONFIG_NO_CONFIG_BLOBS */
    259 
    260 
    261 static int wpas_ctrl_pno(struct wpa_supplicant *wpa_s, char *cmd)
    262 {
    263 	char *params;
    264 	char *pos;
    265 	int *freqs = NULL;
    266 	int ret;
    267 
    268 	if (atoi(cmd)) {
    269 		params = os_strchr(cmd, ' ');
    270 		os_free(wpa_s->manual_sched_scan_freqs);
    271 		if (params) {
    272 			params++;
    273 			pos = os_strstr(params, "freq=");
    274 			if (pos)
    275 				freqs = freq_range_to_channel_list(wpa_s,
    276 								   pos + 5);
    277 		}
    278 		wpa_s->manual_sched_scan_freqs = freqs;
    279 		ret = wpas_start_pno(wpa_s);
    280 	} else {
    281 		ret = wpas_stop_pno(wpa_s);
    282 	}
    283 	return ret;
    284 }
    285 
    286 
    287 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
    288 					 char *cmd)
    289 {
    290 	char *value;
    291 	int ret = 0;
    292 
    293 	value = os_strchr(cmd, ' ');
    294 	if (value == NULL)
    295 		return -1;
    296 	*value++ = '\0';
    297 
    298 	wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
    299 	if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
    300 		eapol_sm_configure(wpa_s->eapol,
    301 				   atoi(value), -1, -1, -1);
    302 	} else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
    303 		eapol_sm_configure(wpa_s->eapol,
    304 				   -1, atoi(value), -1, -1);
    305 	} else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
    306 		eapol_sm_configure(wpa_s->eapol,
    307 				   -1, -1, atoi(value), -1);
    308 	} else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
    309 		eapol_sm_configure(wpa_s->eapol,
    310 				   -1, -1, -1, atoi(value));
    311 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
    312 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
    313 				     atoi(value)))
    314 			ret = -1;
    315 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
    316 		   0) {
    317 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
    318 				     atoi(value)))
    319 			ret = -1;
    320 	} else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
    321 		if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
    322 			ret = -1;
    323 	} else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
    324 		wpa_s->wps_fragment_size = atoi(value);
    325 #ifdef CONFIG_WPS_TESTING
    326 	} else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
    327 		long int val;
    328 		val = strtol(value, NULL, 0);
    329 		if (val < 0 || val > 0xff) {
    330 			ret = -1;
    331 			wpa_printf(MSG_DEBUG, "WPS: Invalid "
    332 				   "wps_version_number %ld", val);
    333 		} else {
    334 			wps_version_number = val;
    335 			wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
    336 				   "version %u.%u",
    337 				   (wps_version_number & 0xf0) >> 4,
    338 				   wps_version_number & 0x0f);
    339 		}
    340 	} else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
    341 		wps_testing_dummy_cred = atoi(value);
    342 		wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
    343 			   wps_testing_dummy_cred);
    344 	} else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
    345 		wps_corrupt_pkhash = atoi(value);
    346 		wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
    347 			   wps_corrupt_pkhash);
    348 #endif /* CONFIG_WPS_TESTING */
    349 	} else if (os_strcasecmp(cmd, "ampdu") == 0) {
    350 		if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
    351 			ret = -1;
    352 #ifdef CONFIG_TDLS
    353 #ifdef CONFIG_TDLS_TESTING
    354 	} else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
    355 		extern unsigned int tdls_testing;
    356 		tdls_testing = strtol(value, NULL, 0);
    357 		wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
    358 #endif /* CONFIG_TDLS_TESTING */
    359 	} else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
    360 		int disabled = atoi(value);
    361 		wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
    362 		if (disabled) {
    363 			if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
    364 				ret = -1;
    365 		} else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
    366 			ret = -1;
    367 		wpa_tdls_enable(wpa_s->wpa, !disabled);
    368 #endif /* CONFIG_TDLS */
    369 	} else if (os_strcasecmp(cmd, "pno") == 0) {
    370 		ret = wpas_ctrl_pno(wpa_s, value);
    371 	} else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
    372 		int disabled = atoi(value);
    373 		if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
    374 			ret = -1;
    375 		else if (disabled)
    376 			wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
    377 	} else if (os_strcasecmp(cmd, "uapsd") == 0) {
    378 		if (os_strcmp(value, "disable") == 0)
    379 			wpa_s->set_sta_uapsd = 0;
    380 		else {
    381 			int be, bk, vi, vo;
    382 			char *pos;
    383 			/* format: BE,BK,VI,VO;max SP Length */
    384 			be = atoi(value);
    385 			pos = os_strchr(value, ',');
    386 			if (pos == NULL)
    387 				return -1;
    388 			pos++;
    389 			bk = atoi(pos);
    390 			pos = os_strchr(pos, ',');
    391 			if (pos == NULL)
    392 				return -1;
    393 			pos++;
    394 			vi = atoi(pos);
    395 			pos = os_strchr(pos, ',');
    396 			if (pos == NULL)
    397 				return -1;
    398 			pos++;
    399 			vo = atoi(pos);
    400 			/* ignore max SP Length for now */
    401 
    402 			wpa_s->set_sta_uapsd = 1;
    403 			wpa_s->sta_uapsd = 0;
    404 			if (be)
    405 				wpa_s->sta_uapsd |= BIT(0);
    406 			if (bk)
    407 				wpa_s->sta_uapsd |= BIT(1);
    408 			if (vi)
    409 				wpa_s->sta_uapsd |= BIT(2);
    410 			if (vo)
    411 				wpa_s->sta_uapsd |= BIT(3);
    412 		}
    413 	} else if (os_strcasecmp(cmd, "ps") == 0) {
    414 		ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
    415 #ifdef CONFIG_WIFI_DISPLAY
    416 	} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
    417 		int enabled = !!atoi(value);
    418 		if (enabled && !wpa_s->global->p2p)
    419 			ret = -1;
    420 		else
    421 			wifi_display_enable(wpa_s->global, enabled);
    422 #endif /* CONFIG_WIFI_DISPLAY */
    423 	} else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
    424 		ret = set_bssid_filter(wpa_s, value);
    425 	} else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
    426 		ret = set_disallow_aps(wpa_s, value);
    427 	} else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
    428 		wpa_s->no_keep_alive = !!atoi(value);
    429 #ifdef CONFIG_TESTING_OPTIONS
    430 	} else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
    431 		wpa_s->ext_mgmt_frame_handling = !!atoi(value);
    432 	} else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
    433 		wpa_s->ext_eapol_frame_io = !!atoi(value);
    434 #ifdef CONFIG_AP
    435 		if (wpa_s->ap_iface) {
    436 			wpa_s->ap_iface->bss[0]->ext_eapol_frame_io =
    437 				wpa_s->ext_eapol_frame_io;
    438 		}
    439 #endif /* CONFIG_AP */
    440 	} else if (os_strcasecmp(cmd, "extra_roc_dur") == 0) {
    441 		wpa_s->extra_roc_dur = atoi(value);
    442 	} else if (os_strcasecmp(cmd, "test_failure") == 0) {
    443 		wpa_s->test_failure = atoi(value);
    444 #endif /* CONFIG_TESTING_OPTIONS */
    445 #ifndef CONFIG_NO_CONFIG_BLOBS
    446 	} else if (os_strcmp(cmd, "blob") == 0) {
    447 		ret = wpas_ctrl_set_blob(wpa_s, value);
    448 #endif /* CONFIG_NO_CONFIG_BLOBS */
    449 	} else if (os_strcasecmp(cmd, "setband") == 0) {
    450 		if (os_strcmp(value, "AUTO") == 0)
    451 			wpa_s->setband = WPA_SETBAND_AUTO;
    452 		else if (os_strcmp(value, "5G") == 0)
    453 			wpa_s->setband = WPA_SETBAND_5G;
    454 		else if (os_strcmp(value, "2G") == 0)
    455 			wpa_s->setband = WPA_SETBAND_2G;
    456 		else
    457 			ret = -1;
    458 	} else {
    459 		value[-1] = '=';
    460 		ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
    461 		if (ret == 0)
    462 			wpa_supplicant_update_config(wpa_s);
    463 	}
    464 
    465 	return ret;
    466 }
    467 
    468 
    469 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
    470 					 char *cmd, char *buf, size_t buflen)
    471 {
    472 	int res = -1;
    473 
    474 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
    475 
    476 	if (os_strcmp(cmd, "version") == 0) {
    477 		res = os_snprintf(buf, buflen, "%s", VERSION_STR);
    478 	} else if (os_strcasecmp(cmd, "country") == 0) {
    479 		if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
    480 			res = os_snprintf(buf, buflen, "%c%c",
    481 					  wpa_s->conf->country[0],
    482 					  wpa_s->conf->country[1]);
    483 #ifdef CONFIG_WIFI_DISPLAY
    484 	} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
    485 		int enabled;
    486 		if (wpa_s->global->p2p == NULL ||
    487 		    wpa_s->global->p2p_disabled)
    488 			enabled = 0;
    489 		else
    490 			enabled = wpa_s->global->wifi_display;
    491 		res = os_snprintf(buf, buflen, "%d", enabled);
    492 #endif /* CONFIG_WIFI_DISPLAY */
    493 #ifdef CONFIG_TESTING_GET_GTK
    494 	} else if (os_strcmp(cmd, "gtk") == 0) {
    495 		if (wpa_s->last_gtk_len == 0)
    496 			return -1;
    497 		res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
    498 				       wpa_s->last_gtk_len);
    499 		return res;
    500 #endif /* CONFIG_TESTING_GET_GTK */
    501 	} else if (os_strcmp(cmd, "tls_library") == 0) {
    502 		res = tls_get_library_version(buf, buflen);
    503 	} else {
    504 		res = wpa_config_get_value(cmd, wpa_s->conf, buf, buflen);
    505 	}
    506 
    507 	if (os_snprintf_error(buflen, res))
    508 		return -1;
    509 	return res;
    510 }
    511 
    512 
    513 #ifdef IEEE8021X_EAPOL
    514 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
    515 					     char *addr)
    516 {
    517 	u8 bssid[ETH_ALEN];
    518 	struct wpa_ssid *ssid = wpa_s->current_ssid;
    519 
    520 	if (hwaddr_aton(addr, bssid)) {
    521 		wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
    522 			   "'%s'", addr);
    523 		return -1;
    524 	}
    525 
    526 	wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
    527 	rsn_preauth_deinit(wpa_s->wpa);
    528 	if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
    529 		return -1;
    530 
    531 	return 0;
    532 }
    533 #endif /* IEEE8021X_EAPOL */
    534 
    535 
    536 #ifdef CONFIG_PEERKEY
    537 /* MLME-STKSTART.request(peer) */
    538 static int wpa_supplicant_ctrl_iface_stkstart(
    539 	struct wpa_supplicant *wpa_s, char *addr)
    540 {
    541 	u8 peer[ETH_ALEN];
    542 
    543 	if (hwaddr_aton(addr, peer)) {
    544 		wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
    545 			   "address '%s'", addr);
    546 		return -1;
    547 	}
    548 
    549 	wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
    550 		   MAC2STR(peer));
    551 
    552 	return wpa_sm_stkstart(wpa_s->wpa, peer);
    553 }
    554 #endif /* CONFIG_PEERKEY */
    555 
    556 
    557 #ifdef CONFIG_TDLS
    558 
    559 static int wpa_supplicant_ctrl_iface_tdls_discover(
    560 	struct wpa_supplicant *wpa_s, char *addr)
    561 {
    562 	u8 peer[ETH_ALEN];
    563 	int ret;
    564 
    565 	if (hwaddr_aton(addr, peer)) {
    566 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
    567 			   "address '%s'", addr);
    568 		return -1;
    569 	}
    570 
    571 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
    572 		   MAC2STR(peer));
    573 
    574 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
    575 		ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
    576 	else
    577 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
    578 
    579 	return ret;
    580 }
    581 
    582 
    583 static int wpa_supplicant_ctrl_iface_tdls_setup(
    584 	struct wpa_supplicant *wpa_s, char *addr)
    585 {
    586 	u8 peer[ETH_ALEN];
    587 	int ret;
    588 
    589 	if (hwaddr_aton(addr, peer)) {
    590 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
    591 			   "address '%s'", addr);
    592 		return -1;
    593 	}
    594 
    595 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
    596 		   MAC2STR(peer));
    597 
    598 	if ((wpa_s->conf->tdls_external_control) &&
    599 	    wpa_tdls_is_external_setup(wpa_s->wpa))
    600 		return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
    601 
    602 	wpa_tdls_remove(wpa_s->wpa, peer);
    603 
    604 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
    605 		ret = wpa_tdls_start(wpa_s->wpa, peer);
    606 	else
    607 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
    608 
    609 	return ret;
    610 }
    611 
    612 
    613 static int wpa_supplicant_ctrl_iface_tdls_teardown(
    614 	struct wpa_supplicant *wpa_s, char *addr)
    615 {
    616 	u8 peer[ETH_ALEN];
    617 	int ret;
    618 
    619 	if (os_strcmp(addr, "*") == 0) {
    620 		/* remove everyone */
    621 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN *");
    622 		wpa_tdls_teardown_peers(wpa_s->wpa);
    623 		return 0;
    624 	}
    625 
    626 	if (hwaddr_aton(addr, peer)) {
    627 		wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
    628 			   "address '%s'", addr);
    629 		return -1;
    630 	}
    631 
    632 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
    633 		   MAC2STR(peer));
    634 
    635 	if ((wpa_s->conf->tdls_external_control) &&
    636 	    wpa_tdls_is_external_setup(wpa_s->wpa))
    637 		return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
    638 
    639 	if (wpa_tdls_is_external_setup(wpa_s->wpa))
    640 		ret = wpa_tdls_teardown_link(
    641 			wpa_s->wpa, peer,
    642 			WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
    643 	else
    644 		ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
    645 
    646 	return ret;
    647 }
    648 
    649 
    650 static int ctrl_iface_get_capability_tdls(
    651 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
    652 {
    653 	int ret;
    654 
    655 	ret = os_snprintf(buf, buflen, "%s\n",
    656 			  wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT ?
    657 			  (wpa_s->drv_flags &
    658 			   WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP ?
    659 			   "EXTERNAL" : "INTERNAL") : "UNSUPPORTED");
    660 	if (os_snprintf_error(buflen, ret))
    661 		return -1;
    662 	return ret;
    663 }
    664 
    665 
    666 static int wpa_supplicant_ctrl_iface_tdls_chan_switch(
    667 	struct wpa_supplicant *wpa_s, char *cmd)
    668 {
    669 	u8 peer[ETH_ALEN];
    670 	struct hostapd_freq_params freq_params;
    671 	u8 oper_class;
    672 	char *pos, *end;
    673 
    674 	if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
    675 		wpa_printf(MSG_INFO,
    676 			   "tdls_chanswitch: Only supported with external setup");
    677 		return -1;
    678 	}
    679 
    680 	os_memset(&freq_params, 0, sizeof(freq_params));
    681 
    682 	pos = os_strchr(cmd, ' ');
    683 	if (pos == NULL)
    684 		return -1;
    685 	*pos++ = '\0';
    686 
    687 	oper_class = strtol(pos, &end, 10);
    688 	if (pos == end) {
    689 		wpa_printf(MSG_INFO,
    690 			   "tdls_chanswitch: Invalid op class provided");
    691 		return -1;
    692 	}
    693 
    694 	pos = end;
    695 	freq_params.freq = atoi(pos);
    696 	if (freq_params.freq == 0) {
    697 		wpa_printf(MSG_INFO, "tdls_chanswitch: Invalid freq provided");
    698 		return -1;
    699 	}
    700 
    701 #define SET_FREQ_SETTING(str) \
    702 	do { \
    703 		const char *pos2 = os_strstr(pos, " " #str "="); \
    704 		if (pos2) { \
    705 			pos2 += sizeof(" " #str "=") - 1; \
    706 			freq_params.str = atoi(pos2); \
    707 		} \
    708 	} while (0)
    709 
    710 	SET_FREQ_SETTING(center_freq1);
    711 	SET_FREQ_SETTING(center_freq2);
    712 	SET_FREQ_SETTING(bandwidth);
    713 	SET_FREQ_SETTING(sec_channel_offset);
    714 #undef SET_FREQ_SETTING
    715 
    716 	freq_params.ht_enabled = !!os_strstr(pos, " ht");
    717 	freq_params.vht_enabled = !!os_strstr(pos, " vht");
    718 
    719 	if (hwaddr_aton(cmd, peer)) {
    720 		wpa_printf(MSG_DEBUG,
    721 			   "CTRL_IFACE TDLS_CHAN_SWITCH: Invalid address '%s'",
    722 			   cmd);
    723 		return -1;
    724 	}
    725 
    726 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CHAN_SWITCH " MACSTR
    727 		   " OP CLASS %d FREQ %d CENTER1 %d CENTER2 %d BW %d SEC_OFFSET %d%s%s",
    728 		   MAC2STR(peer), oper_class, freq_params.freq,
    729 		   freq_params.center_freq1, freq_params.center_freq2,
    730 		   freq_params.bandwidth, freq_params.sec_channel_offset,
    731 		   freq_params.ht_enabled ? " HT" : "",
    732 		   freq_params.vht_enabled ? " VHT" : "");
    733 
    734 	return wpa_tdls_enable_chan_switch(wpa_s->wpa, peer, oper_class,
    735 					   &freq_params);
    736 }
    737 
    738 
    739 static int wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(
    740 	struct wpa_supplicant *wpa_s, char *cmd)
    741 {
    742 	u8 peer[ETH_ALEN];
    743 
    744 	if (!wpa_tdls_is_external_setup(wpa_s->wpa)) {
    745 		wpa_printf(MSG_INFO,
    746 			   "tdls_chanswitch: Only supported with external setup");
    747 		return -1;
    748 	}
    749 
    750 	if (hwaddr_aton(cmd, peer)) {
    751 		wpa_printf(MSG_DEBUG,
    752 			   "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH: Invalid address '%s'",
    753 			   cmd);
    754 		return -1;
    755 	}
    756 
    757 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_CANCEL_CHAN_SWITCH " MACSTR,
    758 		   MAC2STR(peer));
    759 
    760 	return wpa_tdls_disable_chan_switch(wpa_s->wpa, peer);
    761 }
    762 
    763 
    764 static int wpa_supplicant_ctrl_iface_tdls_link_status(
    765 	struct wpa_supplicant *wpa_s, const char *addr,
    766 	char *buf, size_t buflen)
    767 {
    768 	u8 peer[ETH_ALEN];
    769 	const char *tdls_status;
    770 	int ret;
    771 
    772 	if (hwaddr_aton(addr, peer)) {
    773 		wpa_printf(MSG_DEBUG,
    774 			   "CTRL_IFACE TDLS_LINK_STATUS: Invalid address '%s'",
    775 			   addr);
    776 		return -1;
    777 	}
    778 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS " MACSTR,
    779 		   MAC2STR(peer));
    780 
    781 	tdls_status = wpa_tdls_get_link_status(wpa_s->wpa, peer);
    782 	wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_LINK_STATUS: %s", tdls_status);
    783 	ret = os_snprintf(buf, buflen, "TDLS link status: %s\n", tdls_status);
    784 	if (os_snprintf_error(buflen, ret))
    785 		return -1;
    786 
    787 	return ret;
    788 }
    789 
    790 #endif /* CONFIG_TDLS */
    791 
    792 
    793 static int wmm_ac_ctrl_addts(struct wpa_supplicant *wpa_s, char *cmd)
    794 {
    795 	char *token, *context = NULL;
    796 	struct wmm_ac_ts_setup_params params = {
    797 		.tsid = 0xff,
    798 		.direction = 0xff,
    799 	};
    800 
    801 	while ((token = str_token(cmd, " ", &context))) {
    802 		if (sscanf(token, "tsid=%i", &params.tsid) == 1 ||
    803 		    sscanf(token, "up=%i", &params.user_priority) == 1 ||
    804 		    sscanf(token, "nominal_msdu_size=%i",
    805 			   &params.nominal_msdu_size) == 1 ||
    806 		    sscanf(token, "mean_data_rate=%i",
    807 			   &params.mean_data_rate) == 1 ||
    808 		    sscanf(token, "min_phy_rate=%i",
    809 			   &params.minimum_phy_rate) == 1 ||
    810 		    sscanf(token, "sba=%i",
    811 			   &params.surplus_bandwidth_allowance) == 1)
    812 			continue;
    813 
    814 		if (os_strcasecmp(token, "downlink") == 0) {
    815 			params.direction = WMM_TSPEC_DIRECTION_DOWNLINK;
    816 		} else if (os_strcasecmp(token, "uplink") == 0) {
    817 			params.direction = WMM_TSPEC_DIRECTION_UPLINK;
    818 		} else if (os_strcasecmp(token, "bidi") == 0) {
    819 			params.direction = WMM_TSPEC_DIRECTION_BI_DIRECTIONAL;
    820 		} else if (os_strcasecmp(token, "fixed_nominal_msdu") == 0) {
    821 			params.fixed_nominal_msdu = 1;
    822 		} else {
    823 			wpa_printf(MSG_DEBUG,
    824 				   "CTRL: Invalid WMM_AC_ADDTS parameter: '%s'",
    825 				   token);
    826 			return -1;
    827 		}
    828 
    829 	}
    830 
    831 	return wpas_wmm_ac_addts(wpa_s, &params);
    832 }
    833 
    834 
    835 static int wmm_ac_ctrl_delts(struct wpa_supplicant *wpa_s, char *cmd)
    836 {
    837 	u8 tsid = atoi(cmd);
    838 
    839 	return wpas_wmm_ac_delts(wpa_s, tsid);
    840 }
    841 
    842 
    843 #ifdef CONFIG_IEEE80211R
    844 static int wpa_supplicant_ctrl_iface_ft_ds(
    845 	struct wpa_supplicant *wpa_s, char *addr)
    846 {
    847 	u8 target_ap[ETH_ALEN];
    848 	struct wpa_bss *bss;
    849 	const u8 *mdie;
    850 
    851 	if (hwaddr_aton(addr, target_ap)) {
    852 		wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
    853 			   "address '%s'", addr);
    854 		return -1;
    855 	}
    856 
    857 	wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
    858 
    859 	bss = wpa_bss_get_bssid(wpa_s, target_ap);
    860 	if (bss)
    861 		mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
    862 	else
    863 		mdie = NULL;
    864 
    865 	return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
    866 }
    867 #endif /* CONFIG_IEEE80211R */
    868 
    869 
    870 #ifdef CONFIG_WPS
    871 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
    872 					     char *cmd)
    873 {
    874 	u8 bssid[ETH_ALEN], *_bssid = bssid;
    875 #ifdef CONFIG_P2P
    876 	u8 p2p_dev_addr[ETH_ALEN];
    877 #endif /* CONFIG_P2P */
    878 #ifdef CONFIG_AP
    879 	u8 *_p2p_dev_addr = NULL;
    880 #endif /* CONFIG_AP */
    881 
    882 	if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
    883 		_bssid = NULL;
    884 #ifdef CONFIG_P2P
    885 	} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
    886 		if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
    887 			wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
    888 				   "P2P Device Address '%s'",
    889 				   cmd + 13);
    890 			return -1;
    891 		}
    892 		_p2p_dev_addr = p2p_dev_addr;
    893 #endif /* CONFIG_P2P */
    894 	} else if (hwaddr_aton(cmd, bssid)) {
    895 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
    896 			   cmd);
    897 		return -1;
    898 	}
    899 
    900 #ifdef CONFIG_AP
    901 	if (wpa_s->ap_iface)
    902 		return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
    903 #endif /* CONFIG_AP */
    904 
    905 	return wpas_wps_start_pbc(wpa_s, _bssid, 0);
    906 }
    907 
    908 
    909 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
    910 					     char *cmd, char *buf,
    911 					     size_t buflen)
    912 {
    913 	u8 bssid[ETH_ALEN], *_bssid = bssid;
    914 	char *pin;
    915 	int ret;
    916 
    917 	pin = os_strchr(cmd, ' ');
    918 	if (pin)
    919 		*pin++ = '\0';
    920 
    921 	if (os_strcmp(cmd, "any") == 0)
    922 		_bssid = NULL;
    923 	else if (os_strcmp(cmd, "get") == 0) {
    924 		ret = wps_generate_pin();
    925 		goto done;
    926 	} else if (hwaddr_aton(cmd, bssid)) {
    927 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
    928 			   cmd);
    929 		return -1;
    930 	}
    931 
    932 #ifdef CONFIG_AP
    933 	if (wpa_s->ap_iface) {
    934 		int timeout = 0;
    935 		char *pos;
    936 
    937 		if (pin) {
    938 			pos = os_strchr(pin, ' ');
    939 			if (pos) {
    940 				*pos++ = '\0';
    941 				timeout = atoi(pos);
    942 			}
    943 		}
    944 
    945 		return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
    946 						 buf, buflen, timeout);
    947 	}
    948 #endif /* CONFIG_AP */
    949 
    950 	if (pin) {
    951 		ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
    952 					 DEV_PW_DEFAULT);
    953 		if (ret < 0)
    954 			return -1;
    955 		ret = os_snprintf(buf, buflen, "%s", pin);
    956 		if (os_snprintf_error(buflen, ret))
    957 			return -1;
    958 		return ret;
    959 	}
    960 
    961 	ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
    962 	if (ret < 0)
    963 		return -1;
    964 
    965 done:
    966 	/* Return the generated PIN */
    967 	ret = os_snprintf(buf, buflen, "%08d", ret);
    968 	if (os_snprintf_error(buflen, ret))
    969 		return -1;
    970 	return ret;
    971 }
    972 
    973 
    974 static int wpa_supplicant_ctrl_iface_wps_check_pin(
    975 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
    976 {
    977 	char pin[9];
    978 	size_t len;
    979 	char *pos;
    980 	int ret;
    981 
    982 	wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
    983 			      (u8 *) cmd, os_strlen(cmd));
    984 	for (pos = cmd, len = 0; *pos != '\0'; pos++) {
    985 		if (*pos < '0' || *pos > '9')
    986 			continue;
    987 		pin[len++] = *pos;
    988 		if (len == 9) {
    989 			wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
    990 			return -1;
    991 		}
    992 	}
    993 	if (len != 4 && len != 8) {
    994 		wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
    995 		return -1;
    996 	}
    997 	pin[len] = '\0';
    998 
    999 	if (len == 8) {
   1000 		unsigned int pin_val;
   1001 		pin_val = atoi(pin);
   1002 		if (!wps_pin_valid(pin_val)) {
   1003 			wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
   1004 			ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
   1005 			if (os_snprintf_error(buflen, ret))
   1006 				return -1;
   1007 			return ret;
   1008 		}
   1009 	}
   1010 
   1011 	ret = os_snprintf(buf, buflen, "%s", pin);
   1012 	if (os_snprintf_error(buflen, ret))
   1013 		return -1;
   1014 
   1015 	return ret;
   1016 }
   1017 
   1018 
   1019 #ifdef CONFIG_WPS_NFC
   1020 
   1021 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
   1022 					     char *cmd)
   1023 {
   1024 	u8 bssid[ETH_ALEN], *_bssid = bssid;
   1025 
   1026 	if (cmd == NULL || cmd[0] == '\0')
   1027 		_bssid = NULL;
   1028 	else if (hwaddr_aton(cmd, bssid))
   1029 		return -1;
   1030 
   1031 	return wpas_wps_start_nfc(wpa_s, NULL, _bssid, NULL, 0, 0, NULL, NULL,
   1032 				  0, 0);
   1033 }
   1034 
   1035 
   1036 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
   1037 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
   1038 {
   1039 	int ndef;
   1040 	struct wpabuf *buf;
   1041 	int res;
   1042 	char *pos;
   1043 
   1044 	pos = os_strchr(cmd, ' ');
   1045 	if (pos)
   1046 		*pos++ = '\0';
   1047 	if (os_strcmp(cmd, "WPS") == 0)
   1048 		ndef = 0;
   1049 	else if (os_strcmp(cmd, "NDEF") == 0)
   1050 		ndef = 1;
   1051 	else
   1052 		return -1;
   1053 
   1054 	buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
   1055 	if (buf == NULL)
   1056 		return -1;
   1057 
   1058 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
   1059 					 wpabuf_len(buf));
   1060 	reply[res++] = '\n';
   1061 	reply[res] = '\0';
   1062 
   1063 	wpabuf_free(buf);
   1064 
   1065 	return res;
   1066 }
   1067 
   1068 
   1069 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
   1070 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
   1071 {
   1072 	int ndef;
   1073 	struct wpabuf *buf;
   1074 	int res;
   1075 
   1076 	if (os_strcmp(cmd, "WPS") == 0)
   1077 		ndef = 0;
   1078 	else if (os_strcmp(cmd, "NDEF") == 0)
   1079 		ndef = 1;
   1080 	else
   1081 		return -1;
   1082 
   1083 	buf = wpas_wps_nfc_token(wpa_s, ndef);
   1084 	if (buf == NULL)
   1085 		return -1;
   1086 
   1087 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
   1088 					 wpabuf_len(buf));
   1089 	reply[res++] = '\n';
   1090 	reply[res] = '\0';
   1091 
   1092 	wpabuf_free(buf);
   1093 
   1094 	return res;
   1095 }
   1096 
   1097 
   1098 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
   1099 	struct wpa_supplicant *wpa_s, char *pos)
   1100 {
   1101 	size_t len;
   1102 	struct wpabuf *buf;
   1103 	int ret;
   1104 	char *freq;
   1105 	int forced_freq = 0;
   1106 
   1107 	freq = strstr(pos, " freq=");
   1108 	if (freq) {
   1109 		*freq = '\0';
   1110 		freq += 6;
   1111 		forced_freq = atoi(freq);
   1112 	}
   1113 
   1114 	len = os_strlen(pos);
   1115 	if (len & 0x01)
   1116 		return -1;
   1117 	len /= 2;
   1118 
   1119 	buf = wpabuf_alloc(len);
   1120 	if (buf == NULL)
   1121 		return -1;
   1122 	if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
   1123 		wpabuf_free(buf);
   1124 		return -1;
   1125 	}
   1126 
   1127 	ret = wpas_wps_nfc_tag_read(wpa_s, buf, forced_freq);
   1128 	wpabuf_free(buf);
   1129 
   1130 	return ret;
   1131 }
   1132 
   1133 
   1134 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
   1135 					      char *reply, size_t max_len,
   1136 					      int ndef)
   1137 {
   1138 	struct wpabuf *buf;
   1139 	int res;
   1140 
   1141 	buf = wpas_wps_nfc_handover_req(wpa_s, ndef);
   1142 	if (buf == NULL)
   1143 		return -1;
   1144 
   1145 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
   1146 					 wpabuf_len(buf));
   1147 	reply[res++] = '\n';
   1148 	reply[res] = '\0';
   1149 
   1150 	wpabuf_free(buf);
   1151 
   1152 	return res;
   1153 }
   1154 
   1155 
   1156 #ifdef CONFIG_P2P
   1157 static int wpas_ctrl_nfc_get_handover_req_p2p(struct wpa_supplicant *wpa_s,
   1158 					      char *reply, size_t max_len,
   1159 					      int ndef)
   1160 {
   1161 	struct wpabuf *buf;
   1162 	int res;
   1163 
   1164 	buf = wpas_p2p_nfc_handover_req(wpa_s, ndef);
   1165 	if (buf == NULL) {
   1166 		wpa_printf(MSG_DEBUG, "P2P: Could not generate NFC handover request");
   1167 		return -1;
   1168 	}
   1169 
   1170 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
   1171 					 wpabuf_len(buf));
   1172 	reply[res++] = '\n';
   1173 	reply[res] = '\0';
   1174 
   1175 	wpabuf_free(buf);
   1176 
   1177 	return res;
   1178 }
   1179 #endif /* CONFIG_P2P */
   1180 
   1181 
   1182 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
   1183 					  char *cmd, char *reply,
   1184 					  size_t max_len)
   1185 {
   1186 	char *pos;
   1187 	int ndef;
   1188 
   1189 	pos = os_strchr(cmd, ' ');
   1190 	if (pos == NULL)
   1191 		return -1;
   1192 	*pos++ = '\0';
   1193 
   1194 	if (os_strcmp(cmd, "WPS") == 0)
   1195 		ndef = 0;
   1196 	else if (os_strcmp(cmd, "NDEF") == 0)
   1197 		ndef = 1;
   1198 	else
   1199 		return -1;
   1200 
   1201 	if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
   1202 		if (!ndef)
   1203 			return -1;
   1204 		return wpas_ctrl_nfc_get_handover_req_wps(
   1205 			wpa_s, reply, max_len, ndef);
   1206 	}
   1207 
   1208 #ifdef CONFIG_P2P
   1209 	if (os_strcmp(pos, "P2P-CR") == 0) {
   1210 		return wpas_ctrl_nfc_get_handover_req_p2p(
   1211 			wpa_s, reply, max_len, ndef);
   1212 	}
   1213 #endif /* CONFIG_P2P */
   1214 
   1215 	return -1;
   1216 }
   1217 
   1218 
   1219 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
   1220 					      char *reply, size_t max_len,
   1221 					      int ndef, int cr, char *uuid)
   1222 {
   1223 	struct wpabuf *buf;
   1224 	int res;
   1225 
   1226 	buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
   1227 	if (buf == NULL)
   1228 		return -1;
   1229 
   1230 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
   1231 					 wpabuf_len(buf));
   1232 	reply[res++] = '\n';
   1233 	reply[res] = '\0';
   1234 
   1235 	wpabuf_free(buf);
   1236 
   1237 	return res;
   1238 }
   1239 
   1240 
   1241 #ifdef CONFIG_P2P
   1242 static int wpas_ctrl_nfc_get_handover_sel_p2p(struct wpa_supplicant *wpa_s,
   1243 					      char *reply, size_t max_len,
   1244 					      int ndef, int tag)
   1245 {
   1246 	struct wpabuf *buf;
   1247 	int res;
   1248 
   1249 	buf = wpas_p2p_nfc_handover_sel(wpa_s, ndef, tag);
   1250 	if (buf == NULL)
   1251 		return -1;
   1252 
   1253 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
   1254 					 wpabuf_len(buf));
   1255 	reply[res++] = '\n';
   1256 	reply[res] = '\0';
   1257 
   1258 	wpabuf_free(buf);
   1259 
   1260 	return res;
   1261 }
   1262 #endif /* CONFIG_P2P */
   1263 
   1264 
   1265 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
   1266 					  char *cmd, char *reply,
   1267 					  size_t max_len)
   1268 {
   1269 	char *pos, *pos2;
   1270 	int ndef;
   1271 
   1272 	pos = os_strchr(cmd, ' ');
   1273 	if (pos == NULL)
   1274 		return -1;
   1275 	*pos++ = '\0';
   1276 
   1277 	if (os_strcmp(cmd, "WPS") == 0)
   1278 		ndef = 0;
   1279 	else if (os_strcmp(cmd, "NDEF") == 0)
   1280 		ndef = 1;
   1281 	else
   1282 		return -1;
   1283 
   1284 	pos2 = os_strchr(pos, ' ');
   1285 	if (pos2)
   1286 		*pos2++ = '\0';
   1287 	if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
   1288 		if (!ndef)
   1289 			return -1;
   1290 		return wpas_ctrl_nfc_get_handover_sel_wps(
   1291 			wpa_s, reply, max_len, ndef,
   1292 			os_strcmp(pos, "WPS-CR") == 0, pos2);
   1293 	}
   1294 
   1295 #ifdef CONFIG_P2P
   1296 	if (os_strcmp(pos, "P2P-CR") == 0) {
   1297 		return wpas_ctrl_nfc_get_handover_sel_p2p(
   1298 			wpa_s, reply, max_len, ndef, 0);
   1299 	}
   1300 
   1301 	if (os_strcmp(pos, "P2P-CR-TAG") == 0) {
   1302 		return wpas_ctrl_nfc_get_handover_sel_p2p(
   1303 			wpa_s, reply, max_len, ndef, 1);
   1304 	}
   1305 #endif /* CONFIG_P2P */
   1306 
   1307 	return -1;
   1308 }
   1309 
   1310 
   1311 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
   1312 					 char *cmd)
   1313 {
   1314 	size_t len;
   1315 	struct wpabuf *req, *sel;
   1316 	int ret;
   1317 	char *pos, *role, *type, *pos2;
   1318 #ifdef CONFIG_P2P
   1319 	char *freq;
   1320 	int forced_freq = 0;
   1321 
   1322 	freq = strstr(cmd, " freq=");
   1323 	if (freq) {
   1324 		*freq = '\0';
   1325 		freq += 6;
   1326 		forced_freq = atoi(freq);
   1327 	}
   1328 #endif /* CONFIG_P2P */
   1329 
   1330 	role = cmd;
   1331 	pos = os_strchr(role, ' ');
   1332 	if (pos == NULL) {
   1333 		wpa_printf(MSG_DEBUG, "NFC: Missing type in handover report");
   1334 		return -1;
   1335 	}
   1336 	*pos++ = '\0';
   1337 
   1338 	type = pos;
   1339 	pos = os_strchr(type, ' ');
   1340 	if (pos == NULL) {
   1341 		wpa_printf(MSG_DEBUG, "NFC: Missing request message in handover report");
   1342 		return -1;
   1343 	}
   1344 	*pos++ = '\0';
   1345 
   1346 	pos2 = os_strchr(pos, ' ');
   1347 	if (pos2 == NULL) {
   1348 		wpa_printf(MSG_DEBUG, "NFC: Missing select message in handover report");
   1349 		return -1;
   1350 	}
   1351 	*pos2++ = '\0';
   1352 
   1353 	len = os_strlen(pos);
   1354 	if (len & 0x01) {
   1355 		wpa_printf(MSG_DEBUG, "NFC: Invalid request message length in handover report");
   1356 		return -1;
   1357 	}
   1358 	len /= 2;
   1359 
   1360 	req = wpabuf_alloc(len);
   1361 	if (req == NULL) {
   1362 		wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for request message");
   1363 		return -1;
   1364 	}
   1365 	if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
   1366 		wpa_printf(MSG_DEBUG, "NFC: Invalid request message hexdump in handover report");
   1367 		wpabuf_free(req);
   1368 		return -1;
   1369 	}
   1370 
   1371 	len = os_strlen(pos2);
   1372 	if (len & 0x01) {
   1373 		wpa_printf(MSG_DEBUG, "NFC: Invalid select message length in handover report");
   1374 		wpabuf_free(req);
   1375 		return -1;
   1376 	}
   1377 	len /= 2;
   1378 
   1379 	sel = wpabuf_alloc(len);
   1380 	if (sel == NULL) {
   1381 		wpa_printf(MSG_DEBUG, "NFC: Failed to allocate memory for select message");
   1382 		wpabuf_free(req);
   1383 		return -1;
   1384 	}
   1385 	if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
   1386 		wpa_printf(MSG_DEBUG, "NFC: Invalid select message hexdump in handover report");
   1387 		wpabuf_free(req);
   1388 		wpabuf_free(sel);
   1389 		return -1;
   1390 	}
   1391 
   1392 	wpa_printf(MSG_DEBUG, "NFC: Connection handover reported - role=%s type=%s req_len=%d sel_len=%d",
   1393 		   role, type, (int) wpabuf_len(req), (int) wpabuf_len(sel));
   1394 
   1395 	if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
   1396 		ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
   1397 #ifdef CONFIG_AP
   1398 	} else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0)
   1399 	{
   1400 		ret = wpas_ap_wps_nfc_report_handover(wpa_s, req, sel);
   1401 		if (ret < 0)
   1402 			ret = wpas_er_wps_nfc_report_handover(wpa_s, req, sel);
   1403 #endif /* CONFIG_AP */
   1404 #ifdef CONFIG_P2P
   1405 	} else if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "P2P") == 0)
   1406 	{
   1407 		ret = wpas_p2p_nfc_report_handover(wpa_s, 1, req, sel, 0);
   1408 	} else if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "P2P") == 0)
   1409 	{
   1410 		ret = wpas_p2p_nfc_report_handover(wpa_s, 0, req, sel,
   1411 						   forced_freq);
   1412 #endif /* CONFIG_P2P */
   1413 	} else {
   1414 		wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
   1415 			   "reported: role=%s type=%s", role, type);
   1416 		ret = -1;
   1417 	}
   1418 	wpabuf_free(req);
   1419 	wpabuf_free(sel);
   1420 
   1421 	if (ret)
   1422 		wpa_printf(MSG_DEBUG, "NFC: Failed to process reported handover messages");
   1423 
   1424 	return ret;
   1425 }
   1426 
   1427 #endif /* CONFIG_WPS_NFC */
   1428 
   1429 
   1430 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
   1431 					     char *cmd)
   1432 {
   1433 	u8 bssid[ETH_ALEN];
   1434 	char *pin;
   1435 	char *new_ssid;
   1436 	char *new_auth;
   1437 	char *new_encr;
   1438 	char *new_key;
   1439 	struct wps_new_ap_settings ap;
   1440 
   1441 	pin = os_strchr(cmd, ' ');
   1442 	if (pin == NULL)
   1443 		return -1;
   1444 	*pin++ = '\0';
   1445 
   1446 	if (hwaddr_aton(cmd, bssid)) {
   1447 		wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
   1448 			   cmd);
   1449 		return -1;
   1450 	}
   1451 
   1452 	new_ssid = os_strchr(pin, ' ');
   1453 	if (new_ssid == NULL)
   1454 		return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
   1455 	*new_ssid++ = '\0';
   1456 
   1457 	new_auth = os_strchr(new_ssid, ' ');
   1458 	if (new_auth == NULL)
   1459 		return -1;
   1460 	*new_auth++ = '\0';
   1461 
   1462 	new_encr = os_strchr(new_auth, ' ');
   1463 	if (new_encr == NULL)
   1464 		return -1;
   1465 	*new_encr++ = '\0';
   1466 
   1467 	new_key = os_strchr(new_encr, ' ');
   1468 	if (new_key == NULL)
   1469 		return -1;
   1470 	*new_key++ = '\0';
   1471 
   1472 	os_memset(&ap, 0, sizeof(ap));
   1473 	ap.ssid_hex = new_ssid;
   1474 	ap.auth = new_auth;
   1475 	ap.encr = new_encr;
   1476 	ap.key_hex = new_key;
   1477 	return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
   1478 }
   1479 
   1480 
   1481 #ifdef CONFIG_AP
   1482 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
   1483 						char *cmd, char *buf,
   1484 						size_t buflen)
   1485 {
   1486 	int timeout = 300;
   1487 	char *pos;
   1488 	const char *pin_txt;
   1489 
   1490 	if (!wpa_s->ap_iface)
   1491 		return -1;
   1492 
   1493 	pos = os_strchr(cmd, ' ');
   1494 	if (pos)
   1495 		*pos++ = '\0';
   1496 
   1497 	if (os_strcmp(cmd, "disable") == 0) {
   1498 		wpas_wps_ap_pin_disable(wpa_s);
   1499 		return os_snprintf(buf, buflen, "OK\n");
   1500 	}
   1501 
   1502 	if (os_strcmp(cmd, "random") == 0) {
   1503 		if (pos)
   1504 			timeout = atoi(pos);
   1505 		pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
   1506 		if (pin_txt == NULL)
   1507 			return -1;
   1508 		return os_snprintf(buf, buflen, "%s", pin_txt);
   1509 	}
   1510 
   1511 	if (os_strcmp(cmd, "get") == 0) {
   1512 		pin_txt = wpas_wps_ap_pin_get(wpa_s);
   1513 		if (pin_txt == NULL)
   1514 			return -1;
   1515 		return os_snprintf(buf, buflen, "%s", pin_txt);
   1516 	}
   1517 
   1518 	if (os_strcmp(cmd, "set") == 0) {
   1519 		char *pin;
   1520 		if (pos == NULL)
   1521 			return -1;
   1522 		pin = pos;
   1523 		pos = os_strchr(pos, ' ');
   1524 		if (pos) {
   1525 			*pos++ = '\0';
   1526 			timeout = atoi(pos);
   1527 		}
   1528 		if (os_strlen(pin) > buflen)
   1529 			return -1;
   1530 		if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
   1531 			return -1;
   1532 		return os_snprintf(buf, buflen, "%s", pin);
   1533 	}
   1534 
   1535 	return -1;
   1536 }
   1537 #endif /* CONFIG_AP */
   1538 
   1539 
   1540 #ifdef CONFIG_WPS_ER
   1541 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
   1542 						char *cmd)
   1543 {
   1544 	char *uuid = cmd, *pin, *pos;
   1545 	u8 addr_buf[ETH_ALEN], *addr = NULL;
   1546 	pin = os_strchr(uuid, ' ');
   1547 	if (pin == NULL)
   1548 		return -1;
   1549 	*pin++ = '\0';
   1550 	pos = os_strchr(pin, ' ');
   1551 	if (pos) {
   1552 		*pos++ = '\0';
   1553 		if (hwaddr_aton(pos, addr_buf) == 0)
   1554 			addr = addr_buf;
   1555 	}
   1556 	return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
   1557 }
   1558 
   1559 
   1560 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
   1561 						  char *cmd)
   1562 {
   1563 	char *uuid = cmd, *pin;
   1564 	pin = os_strchr(uuid, ' ');
   1565 	if (pin == NULL)
   1566 		return -1;
   1567 	*pin++ = '\0';
   1568 	return wpas_wps_er_learn(wpa_s, uuid, pin);
   1569 }
   1570 
   1571 
   1572 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
   1573 	struct wpa_supplicant *wpa_s, char *cmd)
   1574 {
   1575 	char *uuid = cmd, *id;
   1576 	id = os_strchr(uuid, ' ');
   1577 	if (id == NULL)
   1578 		return -1;
   1579 	*id++ = '\0';
   1580 	return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
   1581 }
   1582 
   1583 
   1584 static int wpa_supplicant_ctrl_iface_wps_er_config(
   1585 	struct wpa_supplicant *wpa_s, char *cmd)
   1586 {
   1587 	char *pin;
   1588 	char *new_ssid;
   1589 	char *new_auth;
   1590 	char *new_encr;
   1591 	char *new_key;
   1592 	struct wps_new_ap_settings ap;
   1593 
   1594 	pin = os_strchr(cmd, ' ');
   1595 	if (pin == NULL)
   1596 		return -1;
   1597 	*pin++ = '\0';
   1598 
   1599 	new_ssid = os_strchr(pin, ' ');
   1600 	if (new_ssid == NULL)
   1601 		return -1;
   1602 	*new_ssid++ = '\0';
   1603 
   1604 	new_auth = os_strchr(new_ssid, ' ');
   1605 	if (new_auth == NULL)
   1606 		return -1;
   1607 	*new_auth++ = '\0';
   1608 
   1609 	new_encr = os_strchr(new_auth, ' ');
   1610 	if (new_encr == NULL)
   1611 		return -1;
   1612 	*new_encr++ = '\0';
   1613 
   1614 	new_key = os_strchr(new_encr, ' ');
   1615 	if (new_key == NULL)
   1616 		return -1;
   1617 	*new_key++ = '\0';
   1618 
   1619 	os_memset(&ap, 0, sizeof(ap));
   1620 	ap.ssid_hex = new_ssid;
   1621 	ap.auth = new_auth;
   1622 	ap.encr = new_encr;
   1623 	ap.key_hex = new_key;
   1624 	return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
   1625 }
   1626 
   1627 
   1628 #ifdef CONFIG_WPS_NFC
   1629 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
   1630 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
   1631 {
   1632 	int ndef;
   1633 	struct wpabuf *buf;
   1634 	int res;
   1635 	char *uuid;
   1636 
   1637 	uuid = os_strchr(cmd, ' ');
   1638 	if (uuid == NULL)
   1639 		return -1;
   1640 	*uuid++ = '\0';
   1641 
   1642 	if (os_strcmp(cmd, "WPS") == 0)
   1643 		ndef = 0;
   1644 	else if (os_strcmp(cmd, "NDEF") == 0)
   1645 		ndef = 1;
   1646 	else
   1647 		return -1;
   1648 
   1649 	buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
   1650 	if (buf == NULL)
   1651 		return -1;
   1652 
   1653 	res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
   1654 					 wpabuf_len(buf));
   1655 	reply[res++] = '\n';
   1656 	reply[res] = '\0';
   1657 
   1658 	wpabuf_free(buf);
   1659 
   1660 	return res;
   1661 }
   1662 #endif /* CONFIG_WPS_NFC */
   1663 #endif /* CONFIG_WPS_ER */
   1664 
   1665 #endif /* CONFIG_WPS */
   1666 
   1667 
   1668 #ifdef CONFIG_IBSS_RSN
   1669 static int wpa_supplicant_ctrl_iface_ibss_rsn(
   1670 	struct wpa_supplicant *wpa_s, char *addr)
   1671 {
   1672 	u8 peer[ETH_ALEN];
   1673 
   1674 	if (hwaddr_aton(addr, peer)) {
   1675 		wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
   1676 			   "address '%s'", addr);
   1677 		return -1;
   1678 	}
   1679 
   1680 	wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
   1681 		   MAC2STR(peer));
   1682 
   1683 	return ibss_rsn_start(wpa_s->ibss_rsn, peer);
   1684 }
   1685 #endif /* CONFIG_IBSS_RSN */
   1686 
   1687 
   1688 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
   1689 					      char *rsp)
   1690 {
   1691 #ifdef IEEE8021X_EAPOL
   1692 	char *pos, *id_pos;
   1693 	int id;
   1694 	struct wpa_ssid *ssid;
   1695 
   1696 	pos = os_strchr(rsp, '-');
   1697 	if (pos == NULL)
   1698 		return -1;
   1699 	*pos++ = '\0';
   1700 	id_pos = pos;
   1701 	pos = os_strchr(pos, ':');
   1702 	if (pos == NULL)
   1703 		return -1;
   1704 	*pos++ = '\0';
   1705 	id = atoi(id_pos);
   1706 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
   1707 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
   1708 			      (u8 *) pos, os_strlen(pos));
   1709 
   1710 	ssid = wpa_config_get_network(wpa_s->conf, id);
   1711 	if (ssid == NULL) {
   1712 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
   1713 			   "to update", id);
   1714 		return -1;
   1715 	}
   1716 
   1717 	return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
   1718 							 pos);
   1719 #else /* IEEE8021X_EAPOL */
   1720 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
   1721 	return -1;
   1722 #endif /* IEEE8021X_EAPOL */
   1723 }
   1724 
   1725 
   1726 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
   1727 					    const char *params,
   1728 					    char *buf, size_t buflen)
   1729 {
   1730 	char *pos, *end, tmp[30];
   1731 	int res, verbose, wps, ret;
   1732 #ifdef CONFIG_HS20
   1733 	const u8 *hs20;
   1734 #endif /* CONFIG_HS20 */
   1735 	const u8 *sess_id;
   1736 	size_t sess_id_len;
   1737 
   1738 	if (os_strcmp(params, "-DRIVER") == 0)
   1739 		return wpa_drv_status(wpa_s, buf, buflen);
   1740 	verbose = os_strcmp(params, "-VERBOSE") == 0;
   1741 	wps = os_strcmp(params, "-WPS") == 0;
   1742 	pos = buf;
   1743 	end = buf + buflen;
   1744 	if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
   1745 		struct wpa_ssid *ssid = wpa_s->current_ssid;
   1746 		ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
   1747 				  MAC2STR(wpa_s->bssid));
   1748 		if (os_snprintf_error(end - pos, ret))
   1749 			return pos - buf;
   1750 		pos += ret;
   1751 		ret = os_snprintf(pos, end - pos, "freq=%u\n",
   1752 				  wpa_s->assoc_freq);
   1753 		if (os_snprintf_error(end - pos, ret))
   1754 			return pos - buf;
   1755 		pos += ret;
   1756 		if (ssid) {
   1757 			u8 *_ssid = ssid->ssid;
   1758 			size_t ssid_len = ssid->ssid_len;
   1759 			u8 ssid_buf[SSID_MAX_LEN];
   1760 			if (ssid_len == 0) {
   1761 				int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
   1762 				if (_res < 0)
   1763 					ssid_len = 0;
   1764 				else
   1765 					ssid_len = _res;
   1766 				_ssid = ssid_buf;
   1767 			}
   1768 			ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
   1769 					  wpa_ssid_txt(_ssid, ssid_len),
   1770 					  ssid->id);
   1771 			if (os_snprintf_error(end - pos, ret))
   1772 				return pos - buf;
   1773 			pos += ret;
   1774 
   1775 			if (wps && ssid->passphrase &&
   1776 			    wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
   1777 			    (ssid->mode == WPAS_MODE_AP ||
   1778 			     ssid->mode == WPAS_MODE_P2P_GO)) {
   1779 				ret = os_snprintf(pos, end - pos,
   1780 						  "passphrase=%s\n",
   1781 						  ssid->passphrase);
   1782 				if (os_snprintf_error(end - pos, ret))
   1783 					return pos - buf;
   1784 				pos += ret;
   1785 			}
   1786 			if (ssid->id_str) {
   1787 				ret = os_snprintf(pos, end - pos,
   1788 						  "id_str=%s\n",
   1789 						  ssid->id_str);
   1790 				if (os_snprintf_error(end - pos, ret))
   1791 					return pos - buf;
   1792 				pos += ret;
   1793 			}
   1794 
   1795 			switch (ssid->mode) {
   1796 			case WPAS_MODE_INFRA:
   1797 				ret = os_snprintf(pos, end - pos,
   1798 						  "mode=station\n");
   1799 				break;
   1800 			case WPAS_MODE_IBSS:
   1801 				ret = os_snprintf(pos, end - pos,
   1802 						  "mode=IBSS\n");
   1803 				break;
   1804 			case WPAS_MODE_AP:
   1805 				ret = os_snprintf(pos, end - pos,
   1806 						  "mode=AP\n");
   1807 				break;
   1808 			case WPAS_MODE_P2P_GO:
   1809 				ret = os_snprintf(pos, end - pos,
   1810 						  "mode=P2P GO\n");
   1811 				break;
   1812 			case WPAS_MODE_P2P_GROUP_FORMATION:
   1813 				ret = os_snprintf(pos, end - pos,
   1814 						  "mode=P2P GO - group "
   1815 						  "formation\n");
   1816 				break;
   1817 			default:
   1818 				ret = 0;
   1819 				break;
   1820 			}
   1821 			if (os_snprintf_error(end - pos, ret))
   1822 				return pos - buf;
   1823 			pos += ret;
   1824 		}
   1825 
   1826 #ifdef CONFIG_AP
   1827 		if (wpa_s->ap_iface) {
   1828 			pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
   1829 							    end - pos,
   1830 							    verbose);
   1831 		} else
   1832 #endif /* CONFIG_AP */
   1833 		pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
   1834 	}
   1835 #ifdef CONFIG_SAE
   1836 	if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
   1837 #ifdef CONFIG_AP
   1838 	    !wpa_s->ap_iface &&
   1839 #endif /* CONFIG_AP */
   1840 	    wpa_s->sme.sae.state == SAE_ACCEPTED) {
   1841 		ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
   1842 				  wpa_s->sme.sae.group);
   1843 		if (os_snprintf_error(end - pos, ret))
   1844 			return pos - buf;
   1845 		pos += ret;
   1846 	}
   1847 #endif /* CONFIG_SAE */
   1848 	ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
   1849 			  wpa_supplicant_state_txt(wpa_s->wpa_state));
   1850 	if (os_snprintf_error(end - pos, ret))
   1851 		return pos - buf;
   1852 	pos += ret;
   1853 
   1854 	if (wpa_s->l2 &&
   1855 	    l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
   1856 		ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
   1857 		if (os_snprintf_error(end - pos, ret))
   1858 			return pos - buf;
   1859 		pos += ret;
   1860 	}
   1861 
   1862 #ifdef CONFIG_P2P
   1863 	if (wpa_s->global->p2p) {
   1864 		ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
   1865 				  "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
   1866 		if (os_snprintf_error(end - pos, ret))
   1867 			return pos - buf;
   1868 		pos += ret;
   1869 	}
   1870 #endif /* CONFIG_P2P */
   1871 
   1872 	ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
   1873 			  MAC2STR(wpa_s->own_addr));
   1874 	if (os_snprintf_error(end - pos, ret))
   1875 		return pos - buf;
   1876 	pos += ret;
   1877 
   1878 #ifdef CONFIG_HS20
   1879 	if (wpa_s->current_bss &&
   1880 	    (hs20 = wpa_bss_get_vendor_ie(wpa_s->current_bss,
   1881 					  HS20_IE_VENDOR_TYPE)) &&
   1882 	    wpa_s->wpa_proto == WPA_PROTO_RSN &&
   1883 	    wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
   1884 		int release = 1;
   1885 		if (hs20[1] >= 5) {
   1886 			u8 rel_num = (hs20[6] & 0xf0) >> 4;
   1887 			release = rel_num + 1;
   1888 		}
   1889 		ret = os_snprintf(pos, end - pos, "hs20=%d\n", release);
   1890 		if (os_snprintf_error(end - pos, ret))
   1891 			return pos - buf;
   1892 		pos += ret;
   1893 	}
   1894 
   1895 	if (wpa_s->current_ssid) {
   1896 		struct wpa_cred *cred;
   1897 		char *type;
   1898 
   1899 		for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
   1900 			size_t i;
   1901 
   1902 			if (wpa_s->current_ssid->parent_cred != cred)
   1903 				continue;
   1904 
   1905 			if (cred->provisioning_sp) {
   1906 				ret = os_snprintf(pos, end - pos,
   1907 						  "provisioning_sp=%s\n",
   1908 						  cred->provisioning_sp);
   1909 				if (os_snprintf_error(end - pos, ret))
   1910 					return pos - buf;
   1911 				pos += ret;
   1912 			}
   1913 
   1914 			if (!cred->domain)
   1915 				goto no_domain;
   1916 
   1917 			i = 0;
   1918 			if (wpa_s->current_bss && wpa_s->current_bss->anqp) {
   1919 				struct wpabuf *names =
   1920 					wpa_s->current_bss->anqp->domain_name;
   1921 				for (i = 0; names && i < cred->num_domain; i++)
   1922 				{
   1923 					if (domain_name_list_contains(
   1924 						    names, cred->domain[i], 1))
   1925 						break;
   1926 				}
   1927 				if (i == cred->num_domain)
   1928 					i = 0; /* show first entry by default */
   1929 			}
   1930 			ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
   1931 					  cred->domain[i]);
   1932 			if (os_snprintf_error(end - pos, ret))
   1933 				return pos - buf;
   1934 			pos += ret;
   1935 
   1936 		no_domain:
   1937 			if (wpa_s->current_bss == NULL ||
   1938 			    wpa_s->current_bss->anqp == NULL)
   1939 				res = -1;
   1940 			else
   1941 				res = interworking_home_sp_cred(
   1942 					wpa_s, cred,
   1943 					wpa_s->current_bss->anqp->domain_name);
   1944 			if (res > 0)
   1945 				type = "home";
   1946 			else if (res == 0)
   1947 				type = "roaming";
   1948 			else
   1949 				type = "unknown";
   1950 
   1951 			ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
   1952 			if (os_snprintf_error(end - pos, ret))
   1953 				return pos - buf;
   1954 			pos += ret;
   1955 
   1956 			break;
   1957 		}
   1958 	}
   1959 #endif /* CONFIG_HS20 */
   1960 
   1961 	if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
   1962 	    wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
   1963 		res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
   1964 					  verbose);
   1965 		if (res >= 0)
   1966 			pos += res;
   1967 	}
   1968 
   1969 	sess_id = eapol_sm_get_session_id(wpa_s->eapol, &sess_id_len);
   1970 	if (sess_id) {
   1971 		char *start = pos;
   1972 
   1973 		ret = os_snprintf(pos, end - pos, "eap_session_id=");
   1974 		if (os_snprintf_error(end - pos, ret))
   1975 			return start - buf;
   1976 		pos += ret;
   1977 		ret = wpa_snprintf_hex(pos, end - pos, sess_id, sess_id_len);
   1978 		if (ret <= 0)
   1979 			return start - buf;
   1980 		pos += ret;
   1981 		ret = os_snprintf(pos, end - pos, "\n");
   1982 		if (os_snprintf_error(end - pos, ret))
   1983 			return start - buf;
   1984 		pos += ret;
   1985 	}
   1986 
   1987 	res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
   1988 	if (res >= 0)
   1989 		pos += res;
   1990 
   1991 #ifdef CONFIG_WPS
   1992 	{
   1993 		char uuid_str[100];
   1994 		uuid_bin2str(wpa_s->wps->uuid, uuid_str, sizeof(uuid_str));
   1995 		ret = os_snprintf(pos, end - pos, "uuid=%s\n", uuid_str);
   1996 		if (os_snprintf_error(end - pos, ret))
   1997 			return pos - buf;
   1998 		pos += ret;
   1999 	}
   2000 #endif /* CONFIG_WPS */
   2001 
   2002 #ifdef ANDROID
   2003 	/*
   2004 	 * Allow using the STATUS command with default behavior, say for debug,
   2005 	 * i.e., don't generate a "fake" CONNECTION and SUPPLICANT_STATE_CHANGE
   2006 	 * events with STATUS-NO_EVENTS.
   2007 	 */
   2008 	if (os_strcmp(params, "-NO_EVENTS")) {
   2009 		wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
   2010 			     "id=%d state=%d BSSID=" MACSTR " SSID=%s",
   2011 			     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
   2012 			     wpa_s->wpa_state,
   2013 			     MAC2STR(wpa_s->bssid),
   2014 			     wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
   2015 			     wpa_ssid_txt(wpa_s->current_ssid->ssid,
   2016 					  wpa_s->current_ssid->ssid_len) : "");
   2017 		if (wpa_s->wpa_state == WPA_COMPLETED) {
   2018 			struct wpa_ssid *ssid = wpa_s->current_ssid;
   2019 			wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
   2020 				     "- connection to " MACSTR
   2021 				     " completed %s [id=%d id_str=%s]",
   2022 				     MAC2STR(wpa_s->bssid), "(auth)",
   2023 				     ssid ? ssid->id : -1,
   2024 				     ssid && ssid->id_str ? ssid->id_str : "");
   2025 		}
   2026 	}
   2027 #endif /* ANDROID */
   2028 
   2029 	return pos - buf;
   2030 }
   2031 
   2032 
   2033 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
   2034 					   char *cmd)
   2035 {
   2036 	char *pos;
   2037 	int id;
   2038 	struct wpa_ssid *ssid;
   2039 	u8 bssid[ETH_ALEN];
   2040 
   2041 	/* cmd: "<network id> <BSSID>" */
   2042 	pos = os_strchr(cmd, ' ');
   2043 	if (pos == NULL)
   2044 		return -1;
   2045 	*pos++ = '\0';
   2046 	id = atoi(cmd);
   2047 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
   2048 	if (hwaddr_aton(pos, bssid)) {
   2049 		wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
   2050 		return -1;
   2051 	}
   2052 
   2053 	ssid = wpa_config_get_network(wpa_s->conf, id);
   2054 	if (ssid == NULL) {
   2055 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
   2056 			   "to update", id);
   2057 		return -1;
   2058 	}
   2059 
   2060 	os_memcpy(ssid->bssid, bssid, ETH_ALEN);
   2061 	ssid->bssid_set = !is_zero_ether_addr(bssid);
   2062 
   2063 	return 0;
   2064 }
   2065 
   2066 
   2067 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
   2068 					       char *cmd, char *buf,
   2069 					       size_t buflen)
   2070 {
   2071 	u8 bssid[ETH_ALEN];
   2072 	struct wpa_blacklist *e;
   2073 	char *pos, *end;
   2074 	int ret;
   2075 
   2076 	/* cmd: "BLACKLIST [<BSSID>]" */
   2077 	if (*cmd == '\0') {
   2078 		pos = buf;
   2079 		end = buf + buflen;
   2080 		e = wpa_s->blacklist;
   2081 		while (e) {
   2082 			ret = os_snprintf(pos, end - pos, MACSTR "\n",
   2083 					  MAC2STR(e->bssid));
   2084 			if (os_snprintf_error(end - pos, ret))
   2085 				return pos - buf;
   2086 			pos += ret;
   2087 			e = e->next;
   2088 		}
   2089 		return pos - buf;
   2090 	}
   2091 
   2092 	cmd++;
   2093 	if (os_strncmp(cmd, "clear", 5) == 0) {
   2094 		wpa_blacklist_clear(wpa_s);
   2095 		os_memcpy(buf, "OK\n", 3);
   2096 		return 3;
   2097 	}
   2098 
   2099 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
   2100 	if (hwaddr_aton(cmd, bssid)) {
   2101 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
   2102 		return -1;
   2103 	}
   2104 
   2105 	/*
   2106 	 * Add the BSSID twice, so its count will be 2, causing it to be
   2107 	 * skipped when processing scan results.
   2108 	 */
   2109 	ret = wpa_blacklist_add(wpa_s, bssid);
   2110 	if (ret < 0)
   2111 		return -1;
   2112 	ret = wpa_blacklist_add(wpa_s, bssid);
   2113 	if (ret < 0)
   2114 		return -1;
   2115 	os_memcpy(buf, "OK\n", 3);
   2116 	return 3;
   2117 }
   2118 
   2119 
   2120 static const char * debug_level_str(int level)
   2121 {
   2122 	switch (level) {
   2123 	case MSG_EXCESSIVE:
   2124 		return "EXCESSIVE";
   2125 	case MSG_MSGDUMP:
   2126 		return "MSGDUMP";
   2127 	case MSG_DEBUG:
   2128 		return "DEBUG";
   2129 	case MSG_INFO:
   2130 		return "INFO";
   2131 	case MSG_WARNING:
   2132 		return "WARNING";
   2133 	case MSG_ERROR:
   2134 		return "ERROR";
   2135 	default:
   2136 		return "?";
   2137 	}
   2138 }
   2139 
   2140 
   2141 static int str_to_debug_level(const char *s)
   2142 {
   2143 	if (os_strcasecmp(s, "EXCESSIVE") == 0)
   2144 		return MSG_EXCESSIVE;
   2145 	if (os_strcasecmp(s, "MSGDUMP") == 0)
   2146 		return MSG_MSGDUMP;
   2147 	if (os_strcasecmp(s, "DEBUG") == 0)
   2148 		return MSG_DEBUG;
   2149 	if (os_strcasecmp(s, "INFO") == 0)
   2150 		return MSG_INFO;
   2151 	if (os_strcasecmp(s, "WARNING") == 0)
   2152 		return MSG_WARNING;
   2153 	if (os_strcasecmp(s, "ERROR") == 0)
   2154 		return MSG_ERROR;
   2155 	return -1;
   2156 }
   2157 
   2158 
   2159 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
   2160 					       char *cmd, char *buf,
   2161 					       size_t buflen)
   2162 {
   2163 	char *pos, *end, *stamp;
   2164 	int ret;
   2165 
   2166 	/* cmd: "LOG_LEVEL [<level>]" */
   2167 	if (*cmd == '\0') {
   2168 		pos = buf;
   2169 		end = buf + buflen;
   2170 		ret = os_snprintf(pos, end - pos, "Current level: %s\n"
   2171 				  "Timestamp: %d\n",
   2172 				  debug_level_str(wpa_debug_level),
   2173 				  wpa_debug_timestamp);
   2174 		if (os_snprintf_error(end - pos, ret))
   2175 			ret = 0;
   2176 
   2177 		return ret;
   2178 	}
   2179 
   2180 	while (*cmd == ' ')
   2181 		cmd++;
   2182 
   2183 	stamp = os_strchr(cmd, ' ');
   2184 	if (stamp) {
   2185 		*stamp++ = '\0';
   2186 		while (*stamp == ' ') {
   2187 			stamp++;
   2188 		}
   2189 	}
   2190 
   2191 	if (cmd && os_strlen(cmd)) {
   2192 		int level = str_to_debug_level(cmd);
   2193 		if (level < 0)
   2194 			return -1;
   2195 		wpa_debug_level = level;
   2196 	}
   2197 
   2198 	if (stamp && os_strlen(stamp))
   2199 		wpa_debug_timestamp = atoi(stamp);
   2200 
   2201 	os_memcpy(buf, "OK\n", 3);
   2202 	return 3;
   2203 }
   2204 
   2205 
   2206 static int wpa_supplicant_ctrl_iface_list_networks(
   2207 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
   2208 {
   2209 	char *pos, *end, *prev;
   2210 	struct wpa_ssid *ssid;
   2211 	int ret;
   2212 
   2213 	pos = buf;
   2214 	end = buf + buflen;
   2215 	ret = os_snprintf(pos, end - pos,
   2216 			  "network id / ssid / bssid / flags\n");
   2217 	if (os_snprintf_error(end - pos, ret))
   2218 		return pos - buf;
   2219 	pos += ret;
   2220 
   2221 	ssid = wpa_s->conf->ssid;
   2222 
   2223 	/* skip over ssids until we find next one */
   2224 	if (cmd != NULL && os_strncmp(cmd, "LAST_ID=", 8) == 0) {
   2225 		int last_id = atoi(cmd + 8);
   2226 		if (last_id != -1) {
   2227 			while (ssid != NULL && ssid->id <= last_id) {
   2228 				ssid = ssid->next;
   2229 			}
   2230 		}
   2231 	}
   2232 
   2233 	while (ssid) {
   2234 		prev = pos;
   2235 		ret = os_snprintf(pos, end - pos, "%d\t%s",
   2236 				  ssid->id,
   2237 				  wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
   2238 		if (os_snprintf_error(end - pos, ret))
   2239 			return prev - buf;
   2240 		pos += ret;
   2241 		if (ssid->bssid_set) {
   2242 			ret = os_snprintf(pos, end - pos, "\t" MACSTR,
   2243 					  MAC2STR(ssid->bssid));
   2244 		} else {
   2245 			ret = os_snprintf(pos, end - pos, "\tany");
   2246 		}
   2247 		if (os_snprintf_error(end - pos, ret))
   2248 			return prev - buf;
   2249 		pos += ret;
   2250 		ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
   2251 				  ssid == wpa_s->current_ssid ?
   2252 				  "[CURRENT]" : "",
   2253 				  ssid->disabled ? "[DISABLED]" : "",
   2254 				  ssid->disabled_until.sec ?
   2255 				  "[TEMP-DISABLED]" : "",
   2256 				  ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
   2257 				  "");
   2258 		if (os_snprintf_error(end - pos, ret))
   2259 			return prev - buf;
   2260 		pos += ret;
   2261 		ret = os_snprintf(pos, end - pos, "\n");
   2262 		if (os_snprintf_error(end - pos, ret))
   2263 			return prev - buf;
   2264 		pos += ret;
   2265 
   2266 		ssid = ssid->next;
   2267 	}
   2268 
   2269 	return pos - buf;
   2270 }
   2271 
   2272 
   2273 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
   2274 {
   2275 	int ret;
   2276 	ret = os_snprintf(pos, end - pos, "-");
   2277 	if (os_snprintf_error(end - pos, ret))
   2278 		return pos;
   2279 	pos += ret;
   2280 	ret = wpa_write_ciphers(pos, end, cipher, "+");
   2281 	if (ret < 0)
   2282 		return pos;
   2283 	pos += ret;
   2284 	return pos;
   2285 }
   2286 
   2287 
   2288 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
   2289 				    const u8 *ie, size_t ie_len)
   2290 {
   2291 	struct wpa_ie_data data;
   2292 	char *start;
   2293 	int ret;
   2294 
   2295 	ret = os_snprintf(pos, end - pos, "[%s-", proto);
   2296 	if (os_snprintf_error(end - pos, ret))
   2297 		return pos;
   2298 	pos += ret;
   2299 
   2300 	if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
   2301 		ret = os_snprintf(pos, end - pos, "?]");
   2302 		if (os_snprintf_error(end - pos, ret))
   2303 			return pos;
   2304 		pos += ret;
   2305 		return pos;
   2306 	}
   2307 
   2308 	start = pos;
   2309 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
   2310 		ret = os_snprintf(pos, end - pos, "%sEAP",
   2311 				  pos == start ? "" : "+");
   2312 		if (os_snprintf_error(end - pos, ret))
   2313 			return pos;
   2314 		pos += ret;
   2315 	}
   2316 	if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
   2317 		ret = os_snprintf(pos, end - pos, "%sPSK",
   2318 				  pos == start ? "" : "+");
   2319 		if (os_snprintf_error(end - pos, ret))
   2320 			return pos;
   2321 		pos += ret;
   2322 	}
   2323 	if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
   2324 		ret = os_snprintf(pos, end - pos, "%sNone",
   2325 				  pos == start ? "" : "+");
   2326 		if (os_snprintf_error(end - pos, ret))
   2327 			return pos;
   2328 		pos += ret;
   2329 	}
   2330 	if (data.key_mgmt & WPA_KEY_MGMT_SAE) {
   2331 		ret = os_snprintf(pos, end - pos, "%sSAE",
   2332 				  pos == start ? "" : "+");
   2333 		if (os_snprintf_error(end - pos, ret))
   2334 			return pos;
   2335 		pos += ret;
   2336 	}
   2337 #ifdef CONFIG_IEEE80211R
   2338 	if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
   2339 		ret = os_snprintf(pos, end - pos, "%sFT/EAP",
   2340 				  pos == start ? "" : "+");
   2341 		if (os_snprintf_error(end - pos, ret))
   2342 			return pos;
   2343 		pos += ret;
   2344 	}
   2345 	if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
   2346 		ret = os_snprintf(pos, end - pos, "%sFT/PSK",
   2347 				  pos == start ? "" : "+");
   2348 		if (os_snprintf_error(end - pos, ret))
   2349 			return pos;
   2350 		pos += ret;
   2351 	}
   2352 	if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) {
   2353 		ret = os_snprintf(pos, end - pos, "%sFT/SAE",
   2354 				  pos == start ? "" : "+");
   2355 		if (os_snprintf_error(end - pos, ret))
   2356 			return pos;
   2357 		pos += ret;
   2358 	}
   2359 #endif /* CONFIG_IEEE80211R */
   2360 #ifdef CONFIG_IEEE80211W
   2361 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
   2362 		ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
   2363 				  pos == start ? "" : "+");
   2364 		if (os_snprintf_error(end - pos, ret))
   2365 			return pos;
   2366 		pos += ret;
   2367 	}
   2368 	if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
   2369 		ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
   2370 				  pos == start ? "" : "+");
   2371 		if (os_snprintf_error(end - pos, ret))
   2372 			return pos;
   2373 		pos += ret;
   2374 	}
   2375 #endif /* CONFIG_IEEE80211W */
   2376 
   2377 #ifdef CONFIG_SUITEB
   2378 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
   2379 		ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
   2380 				  pos == start ? "" : "+");
   2381 		if (os_snprintf_error(end - pos, ret))
   2382 			return pos;
   2383 		pos += ret;
   2384 	}
   2385 #endif /* CONFIG_SUITEB */
   2386 
   2387 #ifdef CONFIG_SUITEB192
   2388 	if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
   2389 		ret = os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
   2390 				  pos == start ? "" : "+");
   2391 		if (os_snprintf_error(end - pos, ret))
   2392 			return pos;
   2393 		pos += ret;
   2394 	}
   2395 #endif /* CONFIG_SUITEB192 */
   2396 
   2397 	if (data.key_mgmt & WPA_KEY_MGMT_OSEN) {
   2398 		ret = os_snprintf(pos, end - pos, "%sOSEN",
   2399 				  pos == start ? "" : "+");
   2400 		if (os_snprintf_error(end - pos, ret))
   2401 			return pos;
   2402 		pos += ret;
   2403 	}
   2404 
   2405 	pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
   2406 
   2407 	if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
   2408 		ret = os_snprintf(pos, end - pos, "-preauth");
   2409 		if (os_snprintf_error(end - pos, ret))
   2410 			return pos;
   2411 		pos += ret;
   2412 	}
   2413 
   2414 	ret = os_snprintf(pos, end - pos, "]");
   2415 	if (os_snprintf_error(end - pos, ret))
   2416 		return pos;
   2417 	pos += ret;
   2418 
   2419 	return pos;
   2420 }
   2421 
   2422 
   2423 #ifdef CONFIG_WPS
   2424 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
   2425 					    char *pos, char *end,
   2426 					    struct wpabuf *wps_ie)
   2427 {
   2428 	int ret;
   2429 	const char *txt;
   2430 
   2431 	if (wps_ie == NULL)
   2432 		return pos;
   2433 	if (wps_is_selected_pbc_registrar(wps_ie))
   2434 		txt = "[WPS-PBC]";
   2435 	else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
   2436 		txt = "[WPS-AUTH]";
   2437 	else if (wps_is_selected_pin_registrar(wps_ie))
   2438 		txt = "[WPS-PIN]";
   2439 	else
   2440 		txt = "[WPS]";
   2441 
   2442 	ret = os_snprintf(pos, end - pos, "%s", txt);
   2443 	if (!os_snprintf_error(end - pos, ret))
   2444 		pos += ret;
   2445 	wpabuf_free(wps_ie);
   2446 	return pos;
   2447 }
   2448 #endif /* CONFIG_WPS */
   2449 
   2450 
   2451 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
   2452 					char *pos, char *end,
   2453 					const struct wpa_bss *bss)
   2454 {
   2455 #ifdef CONFIG_WPS
   2456 	struct wpabuf *wps_ie;
   2457 	wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
   2458 	return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
   2459 #else /* CONFIG_WPS */
   2460 	return pos;
   2461 #endif /* CONFIG_WPS */
   2462 }
   2463 
   2464 
   2465 /* Format one result on one text line into a buffer. */
   2466 static int wpa_supplicant_ctrl_iface_scan_result(
   2467 	struct wpa_supplicant *wpa_s,
   2468 	const struct wpa_bss *bss, char *buf, size_t buflen)
   2469 {
   2470 	char *pos, *end;
   2471 	int ret;
   2472 	const u8 *ie, *ie2, *osen_ie, *p2p, *mesh;
   2473 
   2474 	mesh = wpa_bss_get_ie(bss, WLAN_EID_MESH_ID);
   2475 	p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
   2476 	if (!p2p)
   2477 		p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
   2478 	if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
   2479 	    os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
   2480 	    0)
   2481 		return 0; /* Do not show P2P listen discovery results here */
   2482 
   2483 	pos = buf;
   2484 	end = buf + buflen;
   2485 
   2486 	ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
   2487 			  MAC2STR(bss->bssid), bss->freq, bss->level);
   2488 	if (os_snprintf_error(end - pos, ret))
   2489 		return -1;
   2490 	pos += ret;
   2491 	ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
   2492 	if (ie)
   2493 		pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
   2494 	ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
   2495 	if (ie2) {
   2496 		pos = wpa_supplicant_ie_txt(pos, end, mesh ? "RSN" : "WPA2",
   2497 					    ie2, 2 + ie2[1]);
   2498 	}
   2499 	osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
   2500 	if (osen_ie)
   2501 		pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
   2502 					    osen_ie, 2 + osen_ie[1]);
   2503 	pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
   2504 	if (!ie && !ie2 && !osen_ie && (bss->caps & IEEE80211_CAP_PRIVACY)) {
   2505 		ret = os_snprintf(pos, end - pos, "[WEP]");
   2506 		if (os_snprintf_error(end - pos, ret))
   2507 			return -1;
   2508 		pos += ret;
   2509 	}
   2510 	if (mesh) {
   2511 		ret = os_snprintf(pos, end - pos, "[MESH]");
   2512 		if (os_snprintf_error(end - pos, ret))
   2513 			return -1;
   2514 		pos += ret;
   2515 	}
   2516 	if (bss_is_dmg(bss)) {
   2517 		const char *s;
   2518 		ret = os_snprintf(pos, end - pos, "[DMG]");
   2519 		if (os_snprintf_error(end - pos, ret))
   2520 			return -1;
   2521 		pos += ret;
   2522 		switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
   2523 		case IEEE80211_CAP_DMG_IBSS:
   2524 			s = "[IBSS]";
   2525 			break;
   2526 		case IEEE80211_CAP_DMG_AP:
   2527 			s = "[ESS]";
   2528 			break;
   2529 		case IEEE80211_CAP_DMG_PBSS:
   2530 			s = "[PBSS]";
   2531 			break;
   2532 		default:
   2533 			s = "";
   2534 			break;
   2535 		}
   2536 		ret = os_snprintf(pos, end - pos, "%s", s);
   2537 		if (os_snprintf_error(end - pos, ret))
   2538 			return -1;
   2539 		pos += ret;
   2540 	} else {
   2541 		if (bss->caps & IEEE80211_CAP_IBSS) {
   2542 			ret = os_snprintf(pos, end - pos, "[IBSS]");
   2543 			if (os_snprintf_error(end - pos, ret))
   2544 				return -1;
   2545 			pos += ret;
   2546 		}
   2547 		if (bss->caps & IEEE80211_CAP_ESS) {
   2548 			ret = os_snprintf(pos, end - pos, "[ESS]");
   2549 			if (os_snprintf_error(end - pos, ret))
   2550 				return -1;
   2551 			pos += ret;
   2552 		}
   2553 	}
   2554 	if (p2p) {
   2555 		ret = os_snprintf(pos, end - pos, "[P2P]");
   2556 		if (os_snprintf_error(end - pos, ret))
   2557 			return -1;
   2558 		pos += ret;
   2559 	}
   2560 #ifdef CONFIG_HS20
   2561 	if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
   2562 		ret = os_snprintf(pos, end - pos, "[HS20]");
   2563 		if (os_snprintf_error(end - pos, ret))
   2564 			return -1;
   2565 		pos += ret;
   2566 	}
   2567 #endif /* CONFIG_HS20 */
   2568 
   2569 	ret = os_snprintf(pos, end - pos, "\t%s",
   2570 			  wpa_ssid_txt(bss->ssid, bss->ssid_len));
   2571 	if (os_snprintf_error(end - pos, ret))
   2572 		return -1;
   2573 	pos += ret;
   2574 
   2575 	ret = os_snprintf(pos, end - pos, "\n");
   2576 	if (os_snprintf_error(end - pos, ret))
   2577 		return -1;
   2578 	pos += ret;
   2579 
   2580 	return pos - buf;
   2581 }
   2582 
   2583 
   2584 static int wpa_supplicant_ctrl_iface_scan_results(
   2585 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
   2586 {
   2587 	char *pos, *end;
   2588 	struct wpa_bss *bss;
   2589 	int ret;
   2590 
   2591 	pos = buf;
   2592 	end = buf + buflen;
   2593 	ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
   2594 			  "flags / ssid\n");
   2595 	if (os_snprintf_error(end - pos, ret))
   2596 		return pos - buf;
   2597 	pos += ret;
   2598 
   2599 	dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
   2600 		ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
   2601 							    end - pos);
   2602 		if (ret < 0 || ret >= end - pos)
   2603 			return pos - buf;
   2604 		pos += ret;
   2605 	}
   2606 
   2607 	return pos - buf;
   2608 }
   2609 
   2610 
   2611 #ifdef CONFIG_MESH
   2612 
   2613 static int wpa_supplicant_ctrl_iface_mesh_interface_add(
   2614 	struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
   2615 {
   2616 	char *pos, ifname[IFNAMSIZ + 1];
   2617 
   2618 	ifname[0] = '\0';
   2619 
   2620 	pos = os_strstr(cmd, "ifname=");
   2621 	if (pos) {
   2622 		pos += 7;
   2623 		os_strlcpy(ifname, pos, sizeof(ifname));
   2624 	}
   2625 
   2626 	if (wpas_mesh_add_interface(wpa_s, ifname, sizeof(ifname)) < 0)
   2627 		return -1;
   2628 
   2629 	os_strlcpy(reply, ifname, max_len);
   2630 	return os_strlen(ifname);
   2631 }
   2632 
   2633 
   2634 static int wpa_supplicant_ctrl_iface_mesh_group_add(
   2635 	struct wpa_supplicant *wpa_s, char *cmd)
   2636 {
   2637 	int id;
   2638 	struct wpa_ssid *ssid;
   2639 
   2640 	id = atoi(cmd);
   2641 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_ADD id=%d", id);
   2642 
   2643 	ssid = wpa_config_get_network(wpa_s->conf, id);
   2644 	if (ssid == NULL) {
   2645 		wpa_printf(MSG_DEBUG,
   2646 			   "CTRL_IFACE: Could not find network id=%d", id);
   2647 		return -1;
   2648 	}
   2649 	if (ssid->mode != WPAS_MODE_MESH) {
   2650 		wpa_printf(MSG_DEBUG,
   2651 			   "CTRL_IFACE: Cannot use MESH_GROUP_ADD on a non mesh network");
   2652 		return -1;
   2653 	}
   2654 	if (ssid->key_mgmt != WPA_KEY_MGMT_NONE &&
   2655 	    ssid->key_mgmt != WPA_KEY_MGMT_SAE) {
   2656 		wpa_printf(MSG_ERROR,
   2657 			   "CTRL_IFACE: key_mgmt for mesh network should be open or SAE");
   2658 		return -1;
   2659 	}
   2660 
   2661 	/*
   2662 	 * TODO: If necessary write our own group_add function,
   2663 	 * for now we can reuse select_network
   2664 	 */
   2665 	wpa_supplicant_select_network(wpa_s, ssid);
   2666 
   2667 	return 0;
   2668 }
   2669 
   2670 
   2671 static int wpa_supplicant_ctrl_iface_mesh_group_remove(
   2672 	struct wpa_supplicant *wpa_s, char *cmd)
   2673 {
   2674 	struct wpa_supplicant *orig;
   2675 	struct wpa_global *global;
   2676 	int found = 0;
   2677 
   2678 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s", cmd);
   2679 
   2680 	global = wpa_s->global;
   2681 	orig = wpa_s;
   2682 
   2683 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
   2684 		if (os_strcmp(wpa_s->ifname, cmd) == 0) {
   2685 			found = 1;
   2686 			break;
   2687 		}
   2688 	}
   2689 	if (!found) {
   2690 		wpa_printf(MSG_ERROR,
   2691 			   "CTRL_IFACE: MESH_GROUP_REMOVE ifname=%s not found",
   2692 			   cmd);
   2693 		return -1;
   2694 	}
   2695 	if (wpa_s->mesh_if_created && wpa_s == orig) {
   2696 		wpa_printf(MSG_ERROR,
   2697 			   "CTRL_IFACE: MESH_GROUP_REMOVE can't remove itself");
   2698 		return -1;
   2699 	}
   2700 
   2701 	wpa_s->reassociate = 0;
   2702 	wpa_s->disconnected = 1;
   2703 	wpa_supplicant_cancel_sched_scan(wpa_s);
   2704 	wpa_supplicant_cancel_scan(wpa_s);
   2705 
   2706 	/*
   2707 	 * TODO: If necessary write our own group_remove function,
   2708 	 * for now we can reuse deauthenticate
   2709 	 */
   2710 	wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
   2711 
   2712 	if (wpa_s->mesh_if_created)
   2713 		wpa_supplicant_remove_iface(global, wpa_s, 0);
   2714 
   2715 	return 0;
   2716 }
   2717 
   2718 #endif /* CONFIG_MESH */
   2719 
   2720 
   2721 static int wpa_supplicant_ctrl_iface_select_network(
   2722 	struct wpa_supplicant *wpa_s, char *cmd)
   2723 {
   2724 	int id;
   2725 	struct wpa_ssid *ssid;
   2726 	char *pos;
   2727 
   2728 	/* cmd: "<network id>" or "any" */
   2729 	if (os_strncmp(cmd, "any", 3) == 0) {
   2730 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
   2731 		ssid = NULL;
   2732 	} else {
   2733 		id = atoi(cmd);
   2734 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
   2735 
   2736 		ssid = wpa_config_get_network(wpa_s->conf, id);
   2737 		if (ssid == NULL) {
   2738 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
   2739 				   "network id=%d", id);
   2740 			return -1;
   2741 		}
   2742 		if (ssid->disabled == 2) {
   2743 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
   2744 				   "SELECT_NETWORK with persistent P2P group");
   2745 			return -1;
   2746 		}
   2747 	}
   2748 
   2749 	pos = os_strstr(cmd, " freq=");
   2750 	if (pos) {
   2751 		int *freqs = freq_range_to_channel_list(wpa_s, pos + 6);
   2752 		if (freqs) {
   2753 			wpa_s->scan_req = MANUAL_SCAN_REQ;
   2754 			os_free(wpa_s->manual_scan_freqs);
   2755 			wpa_s->manual_scan_freqs = freqs;
   2756 		}
   2757 	}
   2758 
   2759 	wpa_supplicant_select_network(wpa_s, ssid);
   2760 
   2761 	return 0;
   2762 }
   2763 
   2764 
   2765 static int wpa_supplicant_ctrl_iface_enable_network(
   2766 	struct wpa_supplicant *wpa_s, char *cmd)
   2767 {
   2768 	int id;
   2769 	struct wpa_ssid *ssid;
   2770 
   2771 	/* cmd: "<network id>" or "all" */
   2772 	if (os_strcmp(cmd, "all") == 0) {
   2773 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
   2774 		ssid = NULL;
   2775 	} else {
   2776 		id = atoi(cmd);
   2777 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
   2778 
   2779 		ssid = wpa_config_get_network(wpa_s->conf, id);
   2780 		if (ssid == NULL) {
   2781 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
   2782 				   "network id=%d", id);
   2783 			return -1;
   2784 		}
   2785 		if (ssid->disabled == 2) {
   2786 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
   2787 				   "ENABLE_NETWORK with persistent P2P group");
   2788 			return -1;
   2789 		}
   2790 
   2791 		if (os_strstr(cmd, " no-connect")) {
   2792 			ssid->disabled = 0;
   2793 			return 0;
   2794 		}
   2795 	}
   2796 	wpa_supplicant_enable_network(wpa_s, ssid);
   2797 
   2798 	return 0;
   2799 }
   2800 
   2801 
   2802 static int wpa_supplicant_ctrl_iface_disable_network(
   2803 	struct wpa_supplicant *wpa_s, char *cmd)
   2804 {
   2805 	int id;
   2806 	struct wpa_ssid *ssid;
   2807 
   2808 	/* cmd: "<network id>" or "all" */
   2809 	if (os_strcmp(cmd, "all") == 0) {
   2810 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
   2811 		ssid = NULL;
   2812 	} else {
   2813 		id = atoi(cmd);
   2814 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
   2815 
   2816 		ssid = wpa_config_get_network(wpa_s->conf, id);
   2817 		if (ssid == NULL) {
   2818 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
   2819 				   "network id=%d", id);
   2820 			return -1;
   2821 		}
   2822 		if (ssid->disabled == 2) {
   2823 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
   2824 				   "DISABLE_NETWORK with persistent P2P "
   2825 				   "group");
   2826 			return -1;
   2827 		}
   2828 	}
   2829 	wpa_supplicant_disable_network(wpa_s, ssid);
   2830 
   2831 	return 0;
   2832 }
   2833 
   2834 
   2835 static int wpa_supplicant_ctrl_iface_add_network(
   2836 	struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
   2837 {
   2838 	struct wpa_ssid *ssid;
   2839 	int ret;
   2840 
   2841 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
   2842 
   2843 	ssid = wpa_config_add_network(wpa_s->conf);
   2844 	if (ssid == NULL)
   2845 		return -1;
   2846 
   2847 	wpas_notify_network_added(wpa_s, ssid);
   2848 
   2849 	ssid->disabled = 1;
   2850 	wpa_config_set_network_defaults(ssid);
   2851 
   2852 	ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
   2853 	if (os_snprintf_error(buflen, ret))
   2854 		return -1;
   2855 	return ret;
   2856 }
   2857 
   2858 
   2859 static int wpa_supplicant_ctrl_iface_remove_network(
   2860 	struct wpa_supplicant *wpa_s, char *cmd)
   2861 {
   2862 	int id;
   2863 	struct wpa_ssid *ssid;
   2864 	int was_disabled;
   2865 
   2866 	/* cmd: "<network id>" or "all" */
   2867 	if (os_strcmp(cmd, "all") == 0) {
   2868 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
   2869 		if (wpa_s->sched_scanning)
   2870 			wpa_supplicant_cancel_sched_scan(wpa_s);
   2871 
   2872 		eapol_sm_invalidate_cached_session(wpa_s->eapol);
   2873 		if (wpa_s->current_ssid) {
   2874 #ifdef CONFIG_SME
   2875 			wpa_s->sme.prev_bssid_set = 0;
   2876 #endif /* CONFIG_SME */
   2877 			wpa_sm_set_config(wpa_s->wpa, NULL);
   2878 			eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
   2879 			if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
   2880 				wpa_s->own_disconnect_req = 1;
   2881 			wpa_supplicant_deauthenticate(
   2882 				wpa_s, WLAN_REASON_DEAUTH_LEAVING);
   2883 		}
   2884 		ssid = wpa_s->conf->ssid;
   2885 		while (ssid) {
   2886 			struct wpa_ssid *remove_ssid = ssid;
   2887 			id = ssid->id;
   2888 			ssid = ssid->next;
   2889 			if (wpa_s->last_ssid == remove_ssid)
   2890 				wpa_s->last_ssid = NULL;
   2891 			wpas_notify_network_removed(wpa_s, remove_ssid);
   2892 			wpa_config_remove_network(wpa_s->conf, id);
   2893 		}
   2894 		return 0;
   2895 	}
   2896 
   2897 	id = atoi(cmd);
   2898 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
   2899 
   2900 	ssid = wpa_config_get_network(wpa_s->conf, id);
   2901 	if (ssid)
   2902 		wpas_notify_network_removed(wpa_s, ssid);
   2903 	if (ssid == NULL) {
   2904 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
   2905 			   "id=%d", id);
   2906 		return -1;
   2907 	}
   2908 
   2909 	if (wpa_s->last_ssid == ssid)
   2910 		wpa_s->last_ssid = NULL;
   2911 
   2912 	if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
   2913 #ifdef CONFIG_SME
   2914 		wpa_s->sme.prev_bssid_set = 0;
   2915 #endif /* CONFIG_SME */
   2916 		/*
   2917 		 * Invalidate the EAP session cache if the current or
   2918 		 * previously used network is removed.
   2919 		 */
   2920 		eapol_sm_invalidate_cached_session(wpa_s->eapol);
   2921 	}
   2922 
   2923 	if (ssid == wpa_s->current_ssid) {
   2924 		wpa_sm_set_config(wpa_s->wpa, NULL);
   2925 		eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
   2926 
   2927 		if (wpa_s->wpa_state >= WPA_AUTHENTICATING)
   2928 			wpa_s->own_disconnect_req = 1;
   2929 		wpa_supplicant_deauthenticate(wpa_s,
   2930 					      WLAN_REASON_DEAUTH_LEAVING);
   2931 	}
   2932 
   2933 	was_disabled = ssid->disabled;
   2934 
   2935 	if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
   2936 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
   2937 			   "network id=%d", id);
   2938 		return -1;
   2939 	}
   2940 
   2941 	if (!was_disabled && wpa_s->sched_scanning) {
   2942 		wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
   2943 			   "network from filters");
   2944 		wpa_supplicant_cancel_sched_scan(wpa_s);
   2945 		wpa_supplicant_req_scan(wpa_s, 0, 0);
   2946 	}
   2947 
   2948 	return 0;
   2949 }
   2950 
   2951 
   2952 static int wpa_supplicant_ctrl_iface_update_network(
   2953 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
   2954 	char *name, char *value)
   2955 {
   2956 	if (wpa_config_set(ssid, name, value, 0) < 0) {
   2957 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
   2958 			   "variable '%s'", name);
   2959 		return -1;
   2960 	}
   2961 
   2962 	if (os_strcmp(name, "bssid") != 0 &&
   2963 	    os_strcmp(name, "priority") != 0)
   2964 		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
   2965 
   2966 	if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
   2967 		/*
   2968 		 * Invalidate the EAP session cache if anything in the current
   2969 		 * or previously used configuration changes.
   2970 		 */
   2971 		eapol_sm_invalidate_cached_session(wpa_s->eapol);
   2972 	}
   2973 
   2974 	if ((os_strcmp(name, "psk") == 0 &&
   2975 	     value[0] == '"' && ssid->ssid_len) ||
   2976 	    (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
   2977 		wpa_config_update_psk(ssid);
   2978 	else if (os_strcmp(name, "priority") == 0)
   2979 		wpa_config_update_prio_list(wpa_s->conf);
   2980 
   2981 	return 0;
   2982 }
   2983 
   2984 
   2985 static int wpa_supplicant_ctrl_iface_set_network(
   2986 	struct wpa_supplicant *wpa_s, char *cmd)
   2987 {
   2988 	int id, ret, prev_bssid_set, prev_disabled;
   2989 	struct wpa_ssid *ssid;
   2990 	char *name, *value;
   2991 	u8 prev_bssid[ETH_ALEN];
   2992 
   2993 	/* cmd: "<network id> <variable name> <value>" */
   2994 	name = os_strchr(cmd, ' ');
   2995 	if (name == NULL)
   2996 		return -1;
   2997 	*name++ = '\0';
   2998 
   2999 	value = os_strchr(name, ' ');
   3000 	if (value == NULL)
   3001 		return -1;
   3002 	*value++ = '\0';
   3003 
   3004 	id = atoi(cmd);
   3005 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
   3006 		   id, name);
   3007 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
   3008 			      (u8 *) value, os_strlen(value));
   3009 
   3010 	ssid = wpa_config_get_network(wpa_s->conf, id);
   3011 	if (ssid == NULL) {
   3012 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
   3013 			   "id=%d", id);
   3014 		return -1;
   3015 	}
   3016 
   3017 	prev_bssid_set = ssid->bssid_set;
   3018 	prev_disabled = ssid->disabled;
   3019 	os_memcpy(prev_bssid, ssid->bssid, ETH_ALEN);
   3020 	ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid, name,
   3021 						       value);
   3022 	if (ret == 0 &&
   3023 	    (ssid->bssid_set != prev_bssid_set ||
   3024 	     os_memcmp(ssid->bssid, prev_bssid, ETH_ALEN) != 0))
   3025 		wpas_notify_network_bssid_set_changed(wpa_s, ssid);
   3026 
   3027 	if (prev_disabled != ssid->disabled &&
   3028 	    (prev_disabled == 2 || ssid->disabled == 2))
   3029 		wpas_notify_network_type_changed(wpa_s, ssid);
   3030 
   3031 	return ret;
   3032 }
   3033 
   3034 
   3035 static int wpa_supplicant_ctrl_iface_get_network(
   3036 	struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
   3037 {
   3038 	int id;
   3039 	size_t res;
   3040 	struct wpa_ssid *ssid;
   3041 	char *name, *value;
   3042 
   3043 	/* cmd: "<network id> <variable name>" */
   3044 	name = os_strchr(cmd, ' ');
   3045 	if (name == NULL || buflen == 0)
   3046 		return -1;
   3047 	*name++ = '\0';
   3048 
   3049 	id = atoi(cmd);
   3050 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
   3051 		   id, name);
   3052 
   3053 	ssid = wpa_config_get_network(wpa_s->conf, id);
   3054 	if (ssid == NULL) {
   3055 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
   3056 			   "id=%d", id);
   3057 		return -1;
   3058 	}
   3059 
   3060 	value = wpa_config_get_no_key(ssid, name);
   3061 	if (value == NULL) {
   3062 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
   3063 			   "variable '%s'", name);
   3064 		return -1;
   3065 	}
   3066 
   3067 	res = os_strlcpy(buf, value, buflen);
   3068 	if (res >= buflen) {
   3069 		os_free(value);
   3070 		return -1;
   3071 	}
   3072 
   3073 	os_free(value);
   3074 
   3075 	return res;
   3076 }
   3077 
   3078 
   3079 static int wpa_supplicant_ctrl_iface_dup_network(
   3080 	struct wpa_supplicant *wpa_s, char *cmd)
   3081 {
   3082 	struct wpa_ssid *ssid_s, *ssid_d;
   3083 	char *name, *id, *value;
   3084 	int id_s, id_d, ret;
   3085 
   3086 	/* cmd: "<src network id> <dst network id> <variable name>" */
   3087 	id = os_strchr(cmd, ' ');
   3088 	if (id == NULL)
   3089 		return -1;
   3090 	*id++ = '\0';
   3091 
   3092 	name = os_strchr(id, ' ');
   3093 	if (name == NULL)
   3094 		return -1;
   3095 	*name++ = '\0';
   3096 
   3097 	id_s = atoi(cmd);
   3098 	id_d = atoi(id);
   3099 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: DUP_NETWORK id=%d -> %d name='%s'",
   3100 		   id_s, id_d, name);
   3101 
   3102 	ssid_s = wpa_config_get_network(wpa_s->conf, id_s);
   3103 	if (ssid_s == NULL) {
   3104 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
   3105 			   "network id=%d", id_s);
   3106 		return -1;
   3107 	}
   3108 
   3109 	ssid_d = wpa_config_get_network(wpa_s->conf, id_d);
   3110 	if (ssid_d == NULL) {
   3111 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
   3112 			   "network id=%d", id_d);
   3113 		return -1;
   3114 	}
   3115 
   3116 	value = wpa_config_get(ssid_s, name);
   3117 	if (value == NULL) {
   3118 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
   3119 			   "variable '%s'", name);
   3120 		return -1;
   3121 	}
   3122 
   3123 	ret = wpa_supplicant_ctrl_iface_update_network(wpa_s, ssid_d, name,
   3124 						       value);
   3125 
   3126 	os_free(value);
   3127 
   3128 	return ret;
   3129 }
   3130 
   3131 
   3132 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
   3133 						char *buf, size_t buflen)
   3134 {
   3135 	char *pos, *end;
   3136 	struct wpa_cred *cred;
   3137 	int ret;
   3138 
   3139 	pos = buf;
   3140 	end = buf + buflen;
   3141 	ret = os_snprintf(pos, end - pos,
   3142 			  "cred id / realm / username / domain / imsi\n");
   3143 	if (os_snprintf_error(end - pos, ret))
   3144 		return pos - buf;
   3145 	pos += ret;
   3146 
   3147 	cred = wpa_s->conf->cred;
   3148 	while (cred) {
   3149 		ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
   3150 				  cred->id, cred->realm ? cred->realm : "",
   3151 				  cred->username ? cred->username : "",
   3152 				  cred->domain ? cred->domain[0] : "",
   3153 				  cred->imsi ? cred->imsi : "");
   3154 		if (os_snprintf_error(end - pos, ret))
   3155 			return pos - buf;
   3156 		pos += ret;
   3157 
   3158 		cred = cred->next;
   3159 	}
   3160 
   3161 	return pos - buf;
   3162 }
   3163 
   3164 
   3165 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
   3166 					      char *buf, size_t buflen)
   3167 {
   3168 	struct wpa_cred *cred;
   3169 	int ret;
   3170 
   3171 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
   3172 
   3173 	cred = wpa_config_add_cred(wpa_s->conf);
   3174 	if (cred == NULL)
   3175 		return -1;
   3176 
   3177 	wpa_msg(wpa_s, MSG_INFO, CRED_ADDED "%d", cred->id);
   3178 
   3179 	ret = os_snprintf(buf, buflen, "%d\n", cred->id);
   3180 	if (os_snprintf_error(buflen, ret))
   3181 		return -1;
   3182 	return ret;
   3183 }
   3184 
   3185 
   3186 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
   3187 				 struct wpa_cred *cred)
   3188 {
   3189 	struct wpa_ssid *ssid;
   3190 	char str[20];
   3191 	int id;
   3192 
   3193 	if (cred == NULL) {
   3194 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
   3195 		return -1;
   3196 	}
   3197 
   3198 	id = cred->id;
   3199 	if (wpa_config_remove_cred(wpa_s->conf, id) < 0) {
   3200 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
   3201 		return -1;
   3202 	}
   3203 
   3204 	wpa_msg(wpa_s, MSG_INFO, CRED_REMOVED "%d", id);
   3205 
   3206 	/* Remove any network entry created based on the removed credential */
   3207 	ssid = wpa_s->conf->ssid;
   3208 	while (ssid) {
   3209 		if (ssid->parent_cred == cred) {
   3210 			int res;
   3211 
   3212 			wpa_printf(MSG_DEBUG, "Remove network id %d since it "
   3213 				   "used the removed credential", ssid->id);
   3214 			res = os_snprintf(str, sizeof(str), "%d", ssid->id);
   3215 			if (os_snprintf_error(sizeof(str), res))
   3216 				str[sizeof(str) - 1] = '\0';
   3217 			ssid = ssid->next;
   3218 			wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
   3219 		} else
   3220 			ssid = ssid->next;
   3221 	}
   3222 
   3223 	return 0;
   3224 }
   3225 
   3226 
   3227 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
   3228 						 char *cmd)
   3229 {
   3230 	int id;
   3231 	struct wpa_cred *cred, *prev;
   3232 
   3233 	/* cmd: "<cred id>", "all", "sp_fqdn=<FQDN>", or
   3234 	 * "provisioning_sp=<FQDN> */
   3235 	if (os_strcmp(cmd, "all") == 0) {
   3236 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
   3237 		cred = wpa_s->conf->cred;
   3238 		while (cred) {
   3239 			prev = cred;
   3240 			cred = cred->next;
   3241 			wpas_ctrl_remove_cred(wpa_s, prev);
   3242 		}
   3243 		return 0;
   3244 	}
   3245 
   3246 	if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
   3247 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
   3248 			   cmd + 8);
   3249 		cred = wpa_s->conf->cred;
   3250 		while (cred) {
   3251 			prev = cred;
   3252 			cred = cred->next;
   3253 			if (prev->domain) {
   3254 				size_t i;
   3255 				for (i = 0; i < prev->num_domain; i++) {
   3256 					if (os_strcmp(prev->domain[i], cmd + 8)
   3257 					    != 0)
   3258 						continue;
   3259 					wpas_ctrl_remove_cred(wpa_s, prev);
   3260 					break;
   3261 				}
   3262 			}
   3263 		}
   3264 		return 0;
   3265 	}
   3266 
   3267 	if (os_strncmp(cmd, "provisioning_sp=", 16) == 0) {
   3268 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED provisioning SP FQDN '%s'",
   3269 			   cmd + 16);
   3270 		cred = wpa_s->conf->cred;
   3271 		while (cred) {
   3272 			prev = cred;
   3273 			cred = cred->next;
   3274 			if (prev->provisioning_sp &&
   3275 			    os_strcmp(prev->provisioning_sp, cmd + 16) == 0)
   3276 				wpas_ctrl_remove_cred(wpa_s, prev);
   3277 		}
   3278 		return 0;
   3279 	}
   3280 
   3281 	id = atoi(cmd);
   3282 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
   3283 
   3284 	cred = wpa_config_get_cred(wpa_s->conf, id);
   3285 	return wpas_ctrl_remove_cred(wpa_s, cred);
   3286 }
   3287 
   3288 
   3289 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
   3290 					      char *cmd)
   3291 {
   3292 	int id;
   3293 	struct wpa_cred *cred;
   3294 	char *name, *value;
   3295 
   3296 	/* cmd: "<cred id> <variable name> <value>" */
   3297 	name = os_strchr(cmd, ' ');
   3298 	if (name == NULL)
   3299 		return -1;
   3300 	*name++ = '\0';
   3301 
   3302 	value = os_strchr(name, ' ');
   3303 	if (value == NULL)
   3304 		return -1;
   3305 	*value++ = '\0';
   3306 
   3307 	id = atoi(cmd);
   3308 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
   3309 		   id, name);
   3310 	wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
   3311 			      (u8 *) value, os_strlen(value));
   3312 
   3313 	cred = wpa_config_get_cred(wpa_s->conf, id);
   3314 	if (cred == NULL) {
   3315 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
   3316 			   id);
   3317 		return -1;
   3318 	}
   3319 
   3320 	if (wpa_config_set_cred(cred, name, value, 0) < 0) {
   3321 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
   3322 			   "variable '%s'", name);
   3323 		return -1;
   3324 	}
   3325 
   3326 	wpa_msg(wpa_s, MSG_INFO, CRED_MODIFIED "%d %s", cred->id, name);
   3327 
   3328 	return 0;
   3329 }
   3330 
   3331 
   3332 static int wpa_supplicant_ctrl_iface_get_cred(struct wpa_supplicant *wpa_s,
   3333 					      char *cmd, char *buf,
   3334 					      size_t buflen)
   3335 {
   3336 	int id;
   3337 	size_t res;
   3338 	struct wpa_cred *cred;
   3339 	char *name, *value;
   3340 
   3341 	/* cmd: "<cred id> <variable name>" */
   3342 	name = os_strchr(cmd, ' ');
   3343 	if (name == NULL)
   3344 		return -1;
   3345 	*name++ = '\0';
   3346 
   3347 	id = atoi(cmd);
   3348 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CRED id=%d name='%s'",
   3349 		   id, name);
   3350 
   3351 	cred = wpa_config_get_cred(wpa_s->conf, id);
   3352 	if (cred == NULL) {
   3353 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
   3354 			   id);
   3355 		return -1;
   3356 	}
   3357 
   3358 	value = wpa_config_get_cred_no_key(cred, name);
   3359 	if (value == NULL) {
   3360 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get cred variable '%s'",
   3361 			   name);
   3362 		return -1;
   3363 	}
   3364 
   3365 	res = os_strlcpy(buf, value, buflen);
   3366 	if (res >= buflen) {
   3367 		os_free(value);
   3368 		return -1;
   3369 	}
   3370 
   3371 	os_free(value);
   3372 
   3373 	return res;
   3374 }
   3375 
   3376 
   3377 #ifndef CONFIG_NO_CONFIG_WRITE
   3378 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
   3379 {
   3380 	int ret;
   3381 
   3382 	if (!wpa_s->conf->update_config) {
   3383 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
   3384 			   "to update configuration (update_config=0)");
   3385 		return -1;
   3386 	}
   3387 
   3388 	ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
   3389 	if (ret) {
   3390 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
   3391 			   "update configuration");
   3392 	} else {
   3393 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
   3394 			   " updated");
   3395 	}
   3396 
   3397 	return ret;
   3398 }
   3399 #endif /* CONFIG_NO_CONFIG_WRITE */
   3400 
   3401 
   3402 struct cipher_info {
   3403 	unsigned int capa;
   3404 	const char *name;
   3405 	int group_only;
   3406 };
   3407 
   3408 static const struct cipher_info ciphers[] = {
   3409 	{ WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
   3410 	{ WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
   3411 	{ WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
   3412 	{ WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
   3413 	{ WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
   3414 	{ WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
   3415 	{ WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
   3416 	{ WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
   3417 };
   3418 
   3419 static const struct cipher_info ciphers_group_mgmt[] = {
   3420 	{ WPA_DRIVER_CAPA_ENC_BIP, "AES-128-CMAC", 1 },
   3421 	{ WPA_DRIVER_CAPA_ENC_BIP_GMAC_128, "BIP-GMAC-128", 1 },
   3422 	{ WPA_DRIVER_CAPA_ENC_BIP_GMAC_256, "BIP-GMAC-256", 1 },
   3423 	{ WPA_DRIVER_CAPA_ENC_BIP_CMAC_256, "BIP-CMAC-256", 1 },
   3424 };
   3425 
   3426 
   3427 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
   3428 					      struct wpa_driver_capa *capa,
   3429 					      char *buf, size_t buflen)
   3430 {
   3431 	int ret;
   3432 	char *pos, *end;
   3433 	size_t len;
   3434 	unsigned int i;
   3435 
   3436 	pos = buf;
   3437 	end = pos + buflen;
   3438 
   3439 	if (res < 0) {
   3440 		if (strict)
   3441 			return 0;
   3442 		len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
   3443 		if (len >= buflen)
   3444 			return -1;
   3445 		return len;
   3446 	}
   3447 
   3448 	for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
   3449 		if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
   3450 			ret = os_snprintf(pos, end - pos, "%s%s",
   3451 					  pos == buf ? "" : " ",
   3452 					  ciphers[i].name);
   3453 			if (os_snprintf_error(end - pos, ret))
   3454 				return pos - buf;
   3455 			pos += ret;
   3456 		}
   3457 	}
   3458 
   3459 	return pos - buf;
   3460 }
   3461 
   3462 
   3463 static int ctrl_iface_get_capability_group(int res, char *strict,
   3464 					   struct wpa_driver_capa *capa,
   3465 					   char *buf, size_t buflen)
   3466 {
   3467 	int ret;
   3468 	char *pos, *end;
   3469 	size_t len;
   3470 	unsigned int i;
   3471 
   3472 	pos = buf;
   3473 	end = pos + buflen;
   3474 
   3475 	if (res < 0) {
   3476 		if (strict)
   3477 			return 0;
   3478 		len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
   3479 		if (len >= buflen)
   3480 			return -1;
   3481 		return len;
   3482 	}
   3483 
   3484 	for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
   3485 		if (capa->enc & ciphers[i].capa) {
   3486 			ret = os_snprintf(pos, end - pos, "%s%s",
   3487 					  pos == buf ? "" : " ",
   3488 					  ciphers[i].name);
   3489 			if (os_snprintf_error(end - pos, ret))
   3490 				return pos - buf;
   3491 			pos += ret;
   3492 		}
   3493 	}
   3494 
   3495 	return pos - buf;
   3496 }
   3497 
   3498 
   3499 static int ctrl_iface_get_capability_group_mgmt(int res, char *strict,
   3500 						struct wpa_driver_capa *capa,
   3501 						char *buf, size_t buflen)
   3502 {
   3503 	int ret;
   3504 	char *pos, *end;
   3505 	unsigned int i;
   3506 
   3507 	pos = buf;
   3508 	end = pos + buflen;
   3509 
   3510 	if (res < 0)
   3511 		return 0;
   3512 
   3513 	for (i = 0; i < ARRAY_SIZE(ciphers_group_mgmt); i++) {
   3514 		if (capa->enc & ciphers_group_mgmt[i].capa) {
   3515 			ret = os_snprintf(pos, end - pos, "%s%s",
   3516 					  pos == buf ? "" : " ",
   3517 					  ciphers_group_mgmt[i].name);
   3518 			if (os_snprintf_error(end - pos, ret))
   3519 				return pos - buf;
   3520 			pos += ret;
   3521 		}
   3522 	}
   3523 
   3524 	return pos - buf;
   3525 }
   3526 
   3527 
   3528 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
   3529 					      struct wpa_driver_capa *capa,
   3530 					      char *buf, size_t buflen)
   3531 {
   3532 	int ret;
   3533 	char *pos, *end;
   3534 	size_t len;
   3535 
   3536 	pos = buf;
   3537 	end = pos + buflen;
   3538 
   3539 	if (res < 0) {
   3540 		if (strict)
   3541 			return 0;
   3542 		len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
   3543 				 "NONE", buflen);
   3544 		if (len >= buflen)
   3545 			return -1;
   3546 		return len;
   3547 	}
   3548 
   3549 	ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
   3550 	if (os_snprintf_error(end - pos, ret))
   3551 		return pos - buf;
   3552 	pos += ret;
   3553 
   3554 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
   3555 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
   3556 		ret = os_snprintf(pos, end - pos, " WPA-EAP");
   3557 		if (os_snprintf_error(end - pos, ret))
   3558 			return pos - buf;
   3559 		pos += ret;
   3560 	}
   3561 
   3562 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
   3563 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
   3564 		ret = os_snprintf(pos, end - pos, " WPA-PSK");
   3565 		if (os_snprintf_error(end - pos, ret))
   3566 			return pos - buf;
   3567 		pos += ret;
   3568 	}
   3569 
   3570 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
   3571 		ret = os_snprintf(pos, end - pos, " WPA-NONE");
   3572 		if (os_snprintf_error(end - pos, ret))
   3573 			return pos - buf;
   3574 		pos += ret;
   3575 	}
   3576 
   3577 #ifdef CONFIG_SUITEB
   3578 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B) {
   3579 		ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B");
   3580 		if (os_snprintf_error(end - pos, ret))
   3581 			return pos - buf;
   3582 		pos += ret;
   3583 	}
   3584 #endif /* CONFIG_SUITEB */
   3585 #ifdef CONFIG_SUITEB192
   3586 	if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192) {
   3587 		ret = os_snprintf(pos, end - pos, " WPA-EAP-SUITE-B-192");
   3588 		if (os_snprintf_error(end - pos, ret))
   3589 			return pos - buf;
   3590 		pos += ret;
   3591 	}
   3592 #endif /* CONFIG_SUITEB192 */
   3593 
   3594 	return pos - buf;
   3595 }
   3596 
   3597 
   3598 static int ctrl_iface_get_capability_proto(int res, char *strict,
   3599 					   struct wpa_driver_capa *capa,
   3600 					   char *buf, size_t buflen)
   3601 {
   3602 	int ret;
   3603 	char *pos, *end;
   3604 	size_t len;
   3605 
   3606 	pos = buf;
   3607 	end = pos + buflen;
   3608 
   3609 	if (res < 0) {
   3610 		if (strict)
   3611 			return 0;
   3612 		len = os_strlcpy(buf, "RSN WPA", buflen);
   3613 		if (len >= buflen)
   3614 			return -1;
   3615 		return len;
   3616 	}
   3617 
   3618 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
   3619 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
   3620 		ret = os_snprintf(pos, end - pos, "%sRSN",
   3621 				  pos == buf ? "" : " ");
   3622 		if (os_snprintf_error(end - pos, ret))
   3623 			return pos - buf;
   3624 		pos += ret;
   3625 	}
   3626 
   3627 	if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
   3628 			      WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
   3629 		ret = os_snprintf(pos, end - pos, "%sWPA",
   3630 				  pos == buf ? "" : " ");
   3631 		if (os_snprintf_error(end - pos, ret))
   3632 			return pos - buf;
   3633 		pos += ret;
   3634 	}
   3635 
   3636 	return pos - buf;
   3637 }
   3638 
   3639 
   3640 static int ctrl_iface_get_capability_auth_alg(struct wpa_supplicant *wpa_s,
   3641 					      int res, char *strict,
   3642 					      struct wpa_driver_capa *capa,
   3643 					      char *buf, size_t buflen)
   3644 {
   3645 	int ret;
   3646 	char *pos, *end;
   3647 	size_t len;
   3648 
   3649 	pos = buf;
   3650 	end = pos + buflen;
   3651 
   3652 	if (res < 0) {
   3653 		if (strict)
   3654 			return 0;
   3655 		len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
   3656 		if (len >= buflen)
   3657 			return -1;
   3658 		return len;
   3659 	}
   3660 
   3661 	if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
   3662 		ret = os_snprintf(pos, end - pos, "%sOPEN",
   3663 				  pos == buf ? "" : " ");
   3664 		if (os_snprintf_error(end - pos, ret))
   3665 			return pos - buf;
   3666 		pos += ret;
   3667 	}
   3668 
   3669 	if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
   3670 		ret = os_snprintf(pos, end - pos, "%sSHARED",
   3671 				  pos == buf ? "" : " ");
   3672 		if (os_snprintf_error(end - pos, ret))
   3673 			return pos - buf;
   3674 		pos += ret;
   3675 	}
   3676 
   3677 	if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
   3678 		ret = os_snprintf(pos, end - pos, "%sLEAP",
   3679 				  pos == buf ? "" : " ");
   3680 		if (os_snprintf_error(end - pos, ret))
   3681 			return pos - buf;
   3682 		pos += ret;
   3683 	}
   3684 
   3685 #ifdef CONFIG_SAE
   3686 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE) {
   3687 		ret = os_snprintf(pos, end - pos, "%sSAE",
   3688 				  pos == buf ? "" : " ");
   3689 		if (os_snprintf_error(end - pos, ret))
   3690 			return pos - buf;
   3691 		pos += ret;
   3692 	}
   3693 #endif /* CONFIG_SAE */
   3694 
   3695 	return pos - buf;
   3696 }
   3697 
   3698 
   3699 static int ctrl_iface_get_capability_modes(int res, char *strict,
   3700 					   struct wpa_driver_capa *capa,
   3701 					   char *buf, size_t buflen)
   3702 {
   3703 	int ret;
   3704 	char *pos, *end;
   3705 	size_t len;
   3706 
   3707 	pos = buf;
   3708 	end = pos + buflen;
   3709 
   3710 	if (res < 0) {
   3711 		if (strict)
   3712 			return 0;
   3713 		len = os_strlcpy(buf, "IBSS AP", buflen);
   3714 		if (len >= buflen)
   3715 			return -1;
   3716 		return len;
   3717 	}
   3718 
   3719 	if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
   3720 		ret = os_snprintf(pos, end - pos, "%sIBSS",
   3721 				  pos == buf ? "" : " ");
   3722 		if (os_snprintf_error(end - pos, ret))
   3723 			return pos - buf;
   3724 		pos += ret;
   3725 	}
   3726 
   3727 	if (capa->flags & WPA_DRIVER_FLAGS_AP) {
   3728 		ret = os_snprintf(pos, end - pos, "%sAP",
   3729 				  pos == buf ? "" : " ");
   3730 		if (os_snprintf_error(end - pos, ret))
   3731 			return pos - buf;
   3732 		pos += ret;
   3733 	}
   3734 
   3735 #ifdef CONFIG_MESH
   3736 	if (capa->flags & WPA_DRIVER_FLAGS_MESH) {
   3737 		ret = os_snprintf(pos, end - pos, "%sMESH",
   3738 				  pos == buf ? "" : " ");
   3739 		if (os_snprintf_error(end - pos, ret))
   3740 			return pos - buf;
   3741 		pos += ret;
   3742 	}
   3743 #endif /* CONFIG_MESH */
   3744 
   3745 	return pos - buf;
   3746 }
   3747 
   3748 
   3749 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
   3750 					      char *buf, size_t buflen)
   3751 {
   3752 	struct hostapd_channel_data *chnl;
   3753 	int ret, i, j;
   3754 	char *pos, *end, *hmode;
   3755 
   3756 	pos = buf;
   3757 	end = pos + buflen;
   3758 
   3759 	for (j = 0; j < wpa_s->hw.num_modes; j++) {
   3760 		switch (wpa_s->hw.modes[j].mode) {
   3761 		case HOSTAPD_MODE_IEEE80211B:
   3762 			hmode = "B";
   3763 			break;
   3764 		case HOSTAPD_MODE_IEEE80211G:
   3765 			hmode = "G";
   3766 			break;
   3767 		case HOSTAPD_MODE_IEEE80211A:
   3768 			hmode = "A";
   3769 			break;
   3770 		case HOSTAPD_MODE_IEEE80211AD:
   3771 			hmode = "AD";
   3772 			break;
   3773 		default:
   3774 			continue;
   3775 		}
   3776 		ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
   3777 		if (os_snprintf_error(end - pos, ret))
   3778 			return pos - buf;
   3779 		pos += ret;
   3780 		chnl = wpa_s->hw.modes[j].channels;
   3781 		for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
   3782 			if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
   3783 				continue;
   3784 			ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
   3785 			if (os_snprintf_error(end - pos, ret))
   3786 				return pos - buf;
   3787 			pos += ret;
   3788 		}
   3789 		ret = os_snprintf(pos, end - pos, "\n");
   3790 		if (os_snprintf_error(end - pos, ret))
   3791 			return pos - buf;
   3792 		pos += ret;
   3793 	}
   3794 
   3795 	return pos - buf;
   3796 }
   3797 
   3798 
   3799 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
   3800 					  char *buf, size_t buflen)
   3801 {
   3802 	struct hostapd_channel_data *chnl;
   3803 	int ret, i, j;
   3804 	char *pos, *end, *hmode;
   3805 
   3806 	pos = buf;
   3807 	end = pos + buflen;
   3808 
   3809 	for (j = 0; j < wpa_s->hw.num_modes; j++) {
   3810 		switch (wpa_s->hw.modes[j].mode) {
   3811 		case HOSTAPD_MODE_IEEE80211B:
   3812 			hmode = "B";
   3813 			break;
   3814 		case HOSTAPD_MODE_IEEE80211G:
   3815 			hmode = "G";
   3816 			break;
   3817 		case HOSTAPD_MODE_IEEE80211A:
   3818 			hmode = "A";
   3819 			break;
   3820 		case HOSTAPD_MODE_IEEE80211AD:
   3821 			hmode = "AD";
   3822 			break;
   3823 		default:
   3824 			continue;
   3825 		}
   3826 		ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
   3827 				  hmode);
   3828 		if (os_snprintf_error(end - pos, ret))
   3829 			return pos - buf;
   3830 		pos += ret;
   3831 		chnl = wpa_s->hw.modes[j].channels;
   3832 		for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
   3833 			if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
   3834 				continue;
   3835 			ret = os_snprintf(pos, end - pos, " %d = %d MHz%s%s\n",
   3836 					  chnl[i].chan, chnl[i].freq,
   3837 					  chnl[i].flag & HOSTAPD_CHAN_NO_IR ?
   3838 					  " (NO_IR)" : "",
   3839 					  chnl[i].flag & HOSTAPD_CHAN_RADAR ?
   3840 					  " (DFS)" : "");
   3841 
   3842 			if (os_snprintf_error(end - pos, ret))
   3843 				return pos - buf;
   3844 			pos += ret;
   3845 		}
   3846 		ret = os_snprintf(pos, end - pos, "\n");
   3847 		if (os_snprintf_error(end - pos, ret))
   3848 			return pos - buf;
   3849 		pos += ret;
   3850 	}
   3851 
   3852 	return pos - buf;
   3853 }
   3854 
   3855 
   3856 static int wpa_supplicant_ctrl_iface_get_capability(
   3857 	struct wpa_supplicant *wpa_s, const char *_field, char *buf,
   3858 	size_t buflen)
   3859 {
   3860 	struct wpa_driver_capa capa;
   3861 	int res;
   3862 	char *strict;
   3863 	char field[30];
   3864 	size_t len;
   3865 
   3866 	/* Determine whether or not strict checking was requested */
   3867 	len = os_strlcpy(field, _field, sizeof(field));
   3868 	if (len >= sizeof(field))
   3869 		return -1;
   3870 	strict = os_strchr(field, ' ');
   3871 	if (strict != NULL) {
   3872 		*strict++ = '\0';
   3873 		if (os_strcmp(strict, "strict") != 0)
   3874 			return -1;
   3875 	}
   3876 
   3877 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
   3878 		field, strict ? strict : "");
   3879 
   3880 	if (os_strcmp(field, "eap") == 0) {
   3881 		return eap_get_names(buf, buflen);
   3882 	}
   3883 
   3884 	res = wpa_drv_get_capa(wpa_s, &capa);
   3885 
   3886 	if (os_strcmp(field, "pairwise") == 0)
   3887 		return ctrl_iface_get_capability_pairwise(res, strict, &capa,
   3888 							  buf, buflen);
   3889 
   3890 	if (os_strcmp(field, "group") == 0)
   3891 		return ctrl_iface_get_capability_group(res, strict, &capa,
   3892 						       buf, buflen);
   3893 
   3894 	if (os_strcmp(field, "group_mgmt") == 0)
   3895 		return ctrl_iface_get_capability_group_mgmt(res, strict, &capa,
   3896 							    buf, buflen);
   3897 
   3898 	if (os_strcmp(field, "key_mgmt") == 0)
   3899 		return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
   3900 							  buf, buflen);
   3901 
   3902 	if (os_strcmp(field, "proto") == 0)
   3903 		return ctrl_iface_get_capability_proto(res, strict, &capa,
   3904 						       buf, buflen);
   3905 
   3906 	if (os_strcmp(field, "auth_alg") == 0)
   3907 		return ctrl_iface_get_capability_auth_alg(wpa_s, res, strict,
   3908 							  &capa, buf, buflen);
   3909 
   3910 	if (os_strcmp(field, "modes") == 0)
   3911 		return ctrl_iface_get_capability_modes(res, strict, &capa,
   3912 						       buf, buflen);
   3913 
   3914 	if (os_strcmp(field, "channels") == 0)
   3915 		return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
   3916 
   3917 	if (os_strcmp(field, "freq") == 0)
   3918 		return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
   3919 
   3920 #ifdef CONFIG_TDLS
   3921 	if (os_strcmp(field, "tdls") == 0)
   3922 		return ctrl_iface_get_capability_tdls(wpa_s, buf, buflen);
   3923 #endif /* CONFIG_TDLS */
   3924 
   3925 #ifdef CONFIG_ERP
   3926 	if (os_strcmp(field, "erp") == 0) {
   3927 		res = os_snprintf(buf, buflen, "ERP");
   3928 		if (os_snprintf_error(buflen, res))
   3929 			return -1;
   3930 		return res;
   3931 	}
   3932 #endif /* CONFIG_EPR */
   3933 
   3934 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
   3935 		   field);
   3936 
   3937 	return -1;
   3938 }
   3939 
   3940 
   3941 #ifdef CONFIG_INTERWORKING
   3942 static char * anqp_add_hex(char *pos, char *end, const char *title,
   3943 			   struct wpabuf *data)
   3944 {
   3945 	char *start = pos;
   3946 	size_t i;
   3947 	int ret;
   3948 	const u8 *d;
   3949 
   3950 	if (data == NULL)
   3951 		return start;
   3952 
   3953 	ret = os_snprintf(pos, end - pos, "%s=", title);
   3954 	if (os_snprintf_error(end - pos, ret))
   3955 		return start;
   3956 	pos += ret;
   3957 
   3958 	d = wpabuf_head_u8(data);
   3959 	for (i = 0; i < wpabuf_len(data); i++) {
   3960 		ret = os_snprintf(pos, end - pos, "%02x", *d++);
   3961 		if (os_snprintf_error(end - pos, ret))
   3962 			return start;
   3963 		pos += ret;
   3964 	}
   3965 
   3966 	ret = os_snprintf(pos, end - pos, "\n");
   3967 	if (os_snprintf_error(end - pos, ret))
   3968 		return start;
   3969 	pos += ret;
   3970 
   3971 	return pos;
   3972 }
   3973 #endif /* CONFIG_INTERWORKING */
   3974 
   3975 
   3976 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
   3977 			  unsigned long mask, char *buf, size_t buflen)
   3978 {
   3979 	size_t i;
   3980 	int ret;
   3981 	char *pos, *end;
   3982 	const u8 *ie, *ie2, *osen_ie;
   3983 
   3984 	pos = buf;
   3985 	end = buf + buflen;
   3986 
   3987 	if (mask & WPA_BSS_MASK_ID) {
   3988 		ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
   3989 		if (os_snprintf_error(end - pos, ret))
   3990 			return 0;
   3991 		pos += ret;
   3992 	}
   3993 
   3994 	if (mask & WPA_BSS_MASK_BSSID) {
   3995 		ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
   3996 				  MAC2STR(bss->bssid));
   3997 		if (os_snprintf_error(end - pos, ret))
   3998 			return 0;
   3999 		pos += ret;
   4000 	}
   4001 
   4002 	if (mask & WPA_BSS_MASK_FREQ) {
   4003 		ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
   4004 		if (os_snprintf_error(end - pos, ret))
   4005 			return 0;
   4006 		pos += ret;
   4007 	}
   4008 
   4009 	if (mask & WPA_BSS_MASK_BEACON_INT) {
   4010 		ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
   4011 				  bss->beacon_int);
   4012 		if (os_snprintf_error(end - pos, ret))
   4013 			return 0;
   4014 		pos += ret;
   4015 	}
   4016 
   4017 	if (mask & WPA_BSS_MASK_CAPABILITIES) {
   4018 		ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
   4019 				  bss->caps);
   4020 		if (os_snprintf_error(end - pos, ret))
   4021 			return 0;
   4022 		pos += ret;
   4023 	}
   4024 
   4025 	if (mask & WPA_BSS_MASK_QUAL) {
   4026 		ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
   4027 		if (os_snprintf_error(end - pos, ret))
   4028 			return 0;
   4029 		pos += ret;
   4030 	}
   4031 
   4032 	if (mask & WPA_BSS_MASK_NOISE) {
   4033 		ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
   4034 		if (os_snprintf_error(end - pos, ret))
   4035 			return 0;
   4036 		pos += ret;
   4037 	}
   4038 
   4039 	if (mask & WPA_BSS_MASK_LEVEL) {
   4040 		ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
   4041 		if (os_snprintf_error(end - pos, ret))
   4042 			return 0;
   4043 		pos += ret;
   4044 	}
   4045 
   4046 	if (mask & WPA_BSS_MASK_TSF) {
   4047 		ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
   4048 				  (unsigned long long) bss->tsf);
   4049 		if (os_snprintf_error(end - pos, ret))
   4050 			return 0;
   4051 		pos += ret;
   4052 	}
   4053 
   4054 	if (mask & WPA_BSS_MASK_AGE) {
   4055 		struct os_reltime now;
   4056 
   4057 		os_get_reltime(&now);
   4058 		ret = os_snprintf(pos, end - pos, "age=%d\n",
   4059 				  (int) (now.sec - bss->last_update.sec));
   4060 		if (os_snprintf_error(end - pos, ret))
   4061 			return 0;
   4062 		pos += ret;
   4063 	}
   4064 
   4065 	if (mask & WPA_BSS_MASK_IE) {
   4066 		ret = os_snprintf(pos, end - pos, "ie=");
   4067 		if (os_snprintf_error(end - pos, ret))
   4068 			return 0;
   4069 		pos += ret;
   4070 
   4071 		ie = (const u8 *) (bss + 1);
   4072 		for (i = 0; i < bss->ie_len; i++) {
   4073 			ret = os_snprintf(pos, end - pos, "%02x", *ie++);
   4074 			if (os_snprintf_error(end - pos, ret))
   4075 				return 0;
   4076 			pos += ret;
   4077 		}
   4078 
   4079 		ret = os_snprintf(pos, end - pos, "\n");
   4080 		if (os_snprintf_error(end - pos, ret))
   4081 			return 0;
   4082 		pos += ret;
   4083 	}
   4084 
   4085 	if (mask & WPA_BSS_MASK_FLAGS) {
   4086 		ret = os_snprintf(pos, end - pos, "flags=");
   4087 		if (os_snprintf_error(end - pos, ret))
   4088 			return 0;
   4089 		pos += ret;
   4090 
   4091 		ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
   4092 		if (ie)
   4093 			pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
   4094 						    2 + ie[1]);
   4095 		ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
   4096 		if (ie2)
   4097 			pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
   4098 						    2 + ie2[1]);
   4099 		osen_ie = wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE);
   4100 		if (osen_ie)
   4101 			pos = wpa_supplicant_ie_txt(pos, end, "OSEN",
   4102 						    osen_ie, 2 + osen_ie[1]);
   4103 		pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
   4104 		if (!ie && !ie2 && !osen_ie &&
   4105 		    (bss->caps & IEEE80211_CAP_PRIVACY)) {
   4106 			ret = os_snprintf(pos, end - pos, "[WEP]");
   4107 			if (os_snprintf_error(end - pos, ret))
   4108 				return 0;
   4109 			pos += ret;
   4110 		}
   4111 		if (bss_is_dmg(bss)) {
   4112 			const char *s;
   4113 			ret = os_snprintf(pos, end - pos, "[DMG]");
   4114 			if (os_snprintf_error(end - pos, ret))
   4115 				return 0;
   4116 			pos += ret;
   4117 			switch (bss->caps & IEEE80211_CAP_DMG_MASK) {
   4118 			case IEEE80211_CAP_DMG_IBSS:
   4119 				s = "[IBSS]";
   4120 				break;
   4121 			case IEEE80211_CAP_DMG_AP:
   4122 				s = "[ESS]";
   4123 				break;
   4124 			case IEEE80211_CAP_DMG_PBSS:
   4125 				s = "[PBSS]";
   4126 				break;
   4127 			default:
   4128 				s = "";
   4129 				break;
   4130 			}
   4131 			ret = os_snprintf(pos, end - pos, "%s", s);
   4132 			if (os_snprintf_error(end - pos, ret))
   4133 				return 0;
   4134 			pos += ret;
   4135 		} else {
   4136 			if (bss->caps & IEEE80211_CAP_IBSS) {
   4137 				ret = os_snprintf(pos, end - pos, "[IBSS]");
   4138 				if (os_snprintf_error(end - pos, ret))
   4139 					return 0;
   4140 				pos += ret;
   4141 			}
   4142 			if (bss->caps & IEEE80211_CAP_ESS) {
   4143 				ret = os_snprintf(pos, end - pos, "[ESS]");
   4144 				if (os_snprintf_error(end - pos, ret))
   4145 					return 0;
   4146 				pos += ret;
   4147 			}
   4148 		}
   4149 		if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
   4150 		    wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
   4151 			ret = os_snprintf(pos, end - pos, "[P2P]");
   4152 			if (os_snprintf_error(end - pos, ret))
   4153 				return 0;
   4154 			pos += ret;
   4155 		}
   4156 #ifdef CONFIG_HS20
   4157 		if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
   4158 			ret = os_snprintf(pos, end - pos, "[HS20]");
   4159 			if (os_snprintf_error(end - pos, ret))
   4160 				return 0;
   4161 			pos += ret;
   4162 		}
   4163 #endif /* CONFIG_HS20 */
   4164 
   4165 		ret = os_snprintf(pos, end - pos, "\n");
   4166 		if (os_snprintf_error(end - pos, ret))
   4167 			return 0;
   4168 		pos += ret;
   4169 	}
   4170 
   4171 	if (mask & WPA_BSS_MASK_SSID) {
   4172 		ret = os_snprintf(pos, end - pos, "ssid=%s\n",
   4173 				  wpa_ssid_txt(bss->ssid, bss->ssid_len));
   4174 		if (os_snprintf_error(end - pos, ret))
   4175 			return 0;
   4176 		pos += ret;
   4177 	}
   4178 
   4179 #ifdef CONFIG_WPS
   4180 	if (mask & WPA_BSS_MASK_WPS_SCAN) {
   4181 		ie = (const u8 *) (bss + 1);
   4182 		ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
   4183 		if (ret < 0 || ret >= end - pos)
   4184 			return 0;
   4185 		pos += ret;
   4186 	}
   4187 #endif /* CONFIG_WPS */
   4188 
   4189 #ifdef CONFIG_P2P
   4190 	if (mask & WPA_BSS_MASK_P2P_SCAN) {
   4191 		ie = (const u8 *) (bss + 1);
   4192 		ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
   4193 		if (ret < 0 || ret >= end - pos)
   4194 			return 0;
   4195 		pos += ret;
   4196 	}
   4197 #endif /* CONFIG_P2P */
   4198 
   4199 #ifdef CONFIG_WIFI_DISPLAY
   4200 	if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
   4201 		struct wpabuf *wfd;
   4202 		ie = (const u8 *) (bss + 1);
   4203 		wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
   4204 						  WFD_IE_VENDOR_TYPE);
   4205 		if (wfd) {
   4206 			ret = os_snprintf(pos, end - pos, "wfd_subelems=");
   4207 			if (os_snprintf_error(end - pos, ret)) {
   4208 				wpabuf_free(wfd);
   4209 				return 0;
   4210 			}
   4211 			pos += ret;
   4212 
   4213 			pos += wpa_snprintf_hex(pos, end - pos,
   4214 						wpabuf_head(wfd),
   4215 						wpabuf_len(wfd));
   4216 			wpabuf_free(wfd);
   4217 
   4218 			ret = os_snprintf(pos, end - pos, "\n");
   4219 			if (os_snprintf_error(end - pos, ret))
   4220 				return 0;
   4221 			pos += ret;
   4222 		}
   4223 	}
   4224 #endif /* CONFIG_WIFI_DISPLAY */
   4225 
   4226 #ifdef CONFIG_INTERWORKING
   4227 	if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
   4228 		struct wpa_bss_anqp *anqp = bss->anqp;
   4229 		pos = anqp_add_hex(pos, end, "anqp_capability_list",
   4230 				   anqp->capability_list);
   4231 		pos = anqp_add_hex(pos, end, "anqp_venue_name",
   4232 				   anqp->venue_name);
   4233 		pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
   4234 				   anqp->network_auth_type);
   4235 		pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
   4236 				   anqp->roaming_consortium);
   4237 		pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
   4238 				   anqp->ip_addr_type_availability);
   4239 		pos = anqp_add_hex(pos, end, "anqp_nai_realm",
   4240 				   anqp->nai_realm);
   4241 		pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
   4242 		pos = anqp_add_hex(pos, end, "anqp_domain_name",
   4243 				   anqp->domain_name);
   4244 #ifdef CONFIG_HS20
   4245 		pos = anqp_add_hex(pos, end, "hs20_capability_list",
   4246 				   anqp->hs20_capability_list);
   4247 		pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
   4248 				   anqp->hs20_operator_friendly_name);
   4249 		pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
   4250 				   anqp->hs20_wan_metrics);
   4251 		pos = anqp_add_hex(pos, end, "hs20_connection_capability",
   4252 				   anqp->hs20_connection_capability);
   4253 		pos = anqp_add_hex(pos, end, "hs20_operating_class",
   4254 				   anqp->hs20_operating_class);
   4255 		pos = anqp_add_hex(pos, end, "hs20_osu_providers_list",
   4256 				   anqp->hs20_osu_providers_list);
   4257 #endif /* CONFIG_HS20 */
   4258 	}
   4259 #endif /* CONFIG_INTERWORKING */
   4260 
   4261 #ifdef CONFIG_MESH
   4262 	if (mask & WPA_BSS_MASK_MESH_SCAN) {
   4263 		ie = (const u8 *) (bss + 1);
   4264 		ret = wpas_mesh_scan_result_text(ie, bss->ie_len, pos, end);
   4265 		if (ret < 0 || ret >= end - pos)
   4266 			return 0;
   4267 		pos += ret;
   4268 	}
   4269 #endif /* CONFIG_MESH */
   4270 
   4271 	if (mask & WPA_BSS_MASK_SNR) {
   4272 		ret = os_snprintf(pos, end - pos, "snr=%d\n", bss->snr);
   4273 		if (os_snprintf_error(end - pos, ret))
   4274 			return 0;
   4275 		pos += ret;
   4276 	}
   4277 
   4278 	if (mask & WPA_BSS_MASK_EST_THROUGHPUT) {
   4279 		ret = os_snprintf(pos, end - pos, "est_throughput=%d\n",
   4280 				  bss->est_throughput);
   4281 		if (os_snprintf_error(end - pos, ret))
   4282 			return 0;
   4283 		pos += ret;
   4284 	}
   4285 
   4286 	if (mask & WPA_BSS_MASK_DELIM) {
   4287 		ret = os_snprintf(pos, end - pos, "====\n");
   4288 		if (os_snprintf_error(end - pos, ret))
   4289 			return 0;
   4290 		pos += ret;
   4291 	}
   4292 
   4293 	return pos - buf;
   4294 }
   4295 
   4296 
   4297 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
   4298 					 const char *cmd, char *buf,
   4299 					 size_t buflen)
   4300 {
   4301 	u8 bssid[ETH_ALEN];
   4302 	size_t i;
   4303 	struct wpa_bss *bss;
   4304 	struct wpa_bss *bsslast = NULL;
   4305 	struct dl_list *next;
   4306 	int ret = 0;
   4307 	int len;
   4308 	char *ctmp, *end = buf + buflen;
   4309 	unsigned long mask = WPA_BSS_MASK_ALL;
   4310 
   4311 	if (os_strncmp(cmd, "RANGE=", 6) == 0) {
   4312 		if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
   4313 			bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
   4314 					    list_id);
   4315 			bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
   4316 					       list_id);
   4317 		} else { /* N1-N2 */
   4318 			unsigned int id1, id2;
   4319 
   4320 			if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
   4321 				wpa_printf(MSG_INFO, "Wrong BSS range "
   4322 					   "format");
   4323 				return 0;
   4324 			}
   4325 
   4326 			if (*(cmd + 6) == '-')
   4327 				id1 = 0;
   4328 			else
   4329 				id1 = atoi(cmd + 6);
   4330 			ctmp++;
   4331 			if (*ctmp >= '0' && *ctmp <= '9')
   4332 				id2 = atoi(ctmp);
   4333 			else
   4334 				id2 = (unsigned int) -1;
   4335 			bss = wpa_bss_get_id_range(wpa_s, id1, id2);
   4336 			if (id2 == (unsigned int) -1)
   4337 				bsslast = dl_list_last(&wpa_s->bss_id,
   4338 						       struct wpa_bss,
   4339 						       list_id);
   4340 			else {
   4341 				bsslast = wpa_bss_get_id(wpa_s, id2);
   4342 				if (bsslast == NULL && bss && id2 > id1) {
   4343 					struct wpa_bss *tmp = bss;
   4344 					for (;;) {
   4345 						next = tmp->list_id.next;
   4346 						if (next == &wpa_s->bss_id)
   4347 							break;
   4348 						tmp = dl_list_entry(
   4349 							next, struct wpa_bss,
   4350 							list_id);
   4351 						if (tmp->id > id2)
   4352 							break;
   4353 						bsslast = tmp;
   4354 					}
   4355 				}
   4356 			}
   4357 		}
   4358 	} else if (os_strncmp(cmd, "FIRST", 5) == 0)
   4359 		bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
   4360 	else if (os_strncmp(cmd, "LAST", 4) == 0)
   4361 		bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
   4362 	else if (os_strncmp(cmd, "ID-", 3) == 0) {
   4363 		i = atoi(cmd + 3);
   4364 		bss = wpa_bss_get_id(wpa_s, i);
   4365 	} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
   4366 		i = atoi(cmd + 5);
   4367 		bss = wpa_bss_get_id(wpa_s, i);
   4368 		if (bss) {
   4369 			next = bss->list_id.next;
   4370 			if (next == &wpa_s->bss_id)
   4371 				bss = NULL;
   4372 			else
   4373 				bss = dl_list_entry(next, struct wpa_bss,
   4374 						    list_id);
   4375 		}
   4376 #ifdef CONFIG_P2P
   4377 	} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
   4378 		if (hwaddr_aton(cmd + 13, bssid) == 0)
   4379 			bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
   4380 		else
   4381 			bss = NULL;
   4382 #endif /* CONFIG_P2P */
   4383 	} else if (hwaddr_aton(cmd, bssid) == 0)
   4384 		bss = wpa_bss_get_bssid(wpa_s, bssid);
   4385 	else {
   4386 		struct wpa_bss *tmp;
   4387 		i = atoi(cmd);
   4388 		bss = NULL;
   4389 		dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
   4390 		{
   4391 			if (i-- == 0) {
   4392 				bss = tmp;
   4393 				break;
   4394 			}
   4395 		}
   4396 	}
   4397 
   4398 	if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
   4399 		mask = strtoul(ctmp + 5, NULL, 0x10);
   4400 		if (mask == 0)
   4401 			mask = WPA_BSS_MASK_ALL;
   4402 	}
   4403 
   4404 	if (bss == NULL)
   4405 		return 0;
   4406 
   4407 	if (bsslast == NULL)
   4408 		bsslast = bss;
   4409 	do {
   4410 		len = print_bss_info(wpa_s, bss, mask, buf, buflen);
   4411 		ret += len;
   4412 		buf += len;
   4413 		buflen -= len;
   4414 		if (bss == bsslast) {
   4415 			if ((mask & WPA_BSS_MASK_DELIM) && len &&
   4416 			    (bss == dl_list_last(&wpa_s->bss_id,
   4417 						 struct wpa_bss, list_id))) {
   4418 				int res;
   4419 
   4420 				res = os_snprintf(buf - 5, end - buf + 5,
   4421 						  "####\n");
   4422 				if (os_snprintf_error(end - buf + 5, res)) {
   4423 					wpa_printf(MSG_DEBUG,
   4424 						   "Could not add end delim");
   4425 				}
   4426 			}
   4427 			break;
   4428 		}
   4429 		next = bss->list_id.next;
   4430 		if (next == &wpa_s->bss_id)
   4431 			break;
   4432 		bss = dl_list_entry(next, struct wpa_bss, list_id);
   4433 	} while (bss && len);
   4434 
   4435 	return ret;
   4436 }
   4437 
   4438 
   4439 static int wpa_supplicant_ctrl_iface_ap_scan(
   4440 	struct wpa_supplicant *wpa_s, char *cmd)
   4441 {
   4442 	int ap_scan = atoi(cmd);
   4443 	return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
   4444 }
   4445 
   4446 
   4447 static int wpa_supplicant_ctrl_iface_scan_interval(
   4448 	struct wpa_supplicant *wpa_s, char *cmd)
   4449 {
   4450 	int scan_int = atoi(cmd);
   4451 	return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
   4452 }
   4453 
   4454 
   4455 static int wpa_supplicant_ctrl_iface_bss_expire_age(
   4456 	struct wpa_supplicant *wpa_s, char *cmd)
   4457 {
   4458 	int expire_age = atoi(cmd);
   4459 	return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
   4460 }
   4461 
   4462 
   4463 static int wpa_supplicant_ctrl_iface_bss_expire_count(
   4464 	struct wpa_supplicant *wpa_s, char *cmd)
   4465 {
   4466 	int expire_count = atoi(cmd);
   4467 	return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
   4468 }
   4469 
   4470 
   4471 static void wpa_supplicant_ctrl_iface_bss_flush(
   4472 	struct wpa_supplicant *wpa_s, char *cmd)
   4473 {
   4474 	int flush_age = atoi(cmd);
   4475 
   4476 	if (flush_age == 0)
   4477 		wpa_bss_flush(wpa_s);
   4478 	else
   4479 		wpa_bss_flush_by_age(wpa_s, flush_age);
   4480 }
   4481 
   4482 
   4483 #ifdef CONFIG_TESTING_OPTIONS
   4484 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
   4485 {
   4486 	wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
   4487 	/* MLME-DELETEKEYS.request */
   4488 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
   4489 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
   4490 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
   4491 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
   4492 #ifdef CONFIG_IEEE80211W
   4493 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
   4494 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
   4495 #endif /* CONFIG_IEEE80211W */
   4496 
   4497 	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
   4498 			0);
   4499 	/* MLME-SETPROTECTION.request(None) */
   4500 	wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
   4501 				   MLME_SETPROTECTION_PROTECT_TYPE_NONE,
   4502 				   MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
   4503 	wpa_sm_drop_sa(wpa_s->wpa);
   4504 }
   4505 #endif /* CONFIG_TESTING_OPTIONS */
   4506 
   4507 
   4508 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
   4509 					  char *addr)
   4510 {
   4511 #ifdef CONFIG_NO_SCAN_PROCESSING
   4512 	return -1;
   4513 #else /* CONFIG_NO_SCAN_PROCESSING */
   4514 	u8 bssid[ETH_ALEN];
   4515 	struct wpa_bss *bss;
   4516 	struct wpa_ssid *ssid = wpa_s->current_ssid;
   4517 
   4518 	if (hwaddr_aton(addr, bssid)) {
   4519 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
   4520 			   "address '%s'", addr);
   4521 		return -1;
   4522 	}
   4523 
   4524 	wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
   4525 
   4526 	if (!ssid) {
   4527 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
   4528 			   "configuration known for the target AP");
   4529 		return -1;
   4530 	}
   4531 
   4532 	bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
   4533 	if (!bss) {
   4534 		wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
   4535 			   "from BSS table");
   4536 		return -1;
   4537 	}
   4538 
   4539 	/*
   4540 	 * TODO: Find best network configuration block from configuration to
   4541 	 * allow roaming to other networks
   4542 	 */
   4543 
   4544 	wpa_s->reassociate = 1;
   4545 	wpa_supplicant_connect(wpa_s, bss, ssid);
   4546 
   4547 	return 0;
   4548 #endif /* CONFIG_NO_SCAN_PROCESSING */
   4549 }
   4550 
   4551 
   4552 #ifdef CONFIG_P2P
   4553 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
   4554 {
   4555 	unsigned int timeout = atoi(cmd);
   4556 	enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
   4557 	u8 dev_id[ETH_ALEN], *_dev_id = NULL;
   4558 	u8 dev_type[WPS_DEV_TYPE_LEN], *_dev_type = NULL;
   4559 	char *pos;
   4560 	unsigned int search_delay;
   4561 	const char *_seek[P2P_MAX_QUERY_HASH + 1], **seek = NULL;
   4562 	u8 seek_count = 0;
   4563 	int freq = 0;
   4564 
   4565 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
   4566 		wpa_dbg(wpa_s, MSG_INFO,
   4567 			"Reject P2P_FIND since interface is disabled");
   4568 		return -1;
   4569 	}
   4570 	if (os_strstr(cmd, "type=social"))
   4571 		type = P2P_FIND_ONLY_SOCIAL;
   4572 	else if (os_strstr(cmd, "type=progressive"))
   4573 		type = P2P_FIND_PROGRESSIVE;
   4574 
   4575 	pos = os_strstr(cmd, "dev_id=");
   4576 	if (pos) {
   4577 		pos += 7;
   4578 		if (hwaddr_aton(pos, dev_id))
   4579 			return -1;
   4580 		_dev_id = dev_id;
   4581 	}
   4582 
   4583 	pos = os_strstr(cmd, "dev_type=");
   4584 	if (pos) {
   4585 		pos += 9;
   4586 		if (wps_dev_type_str2bin(pos, dev_type) < 0)
   4587 			return -1;
   4588 		_dev_type = dev_type;
   4589 	}
   4590 
   4591 	pos = os_strstr(cmd, "delay=");
   4592 	if (pos) {
   4593 		pos += 6;
   4594 		search_delay = atoi(pos);
   4595 	} else
   4596 		search_delay = wpas_p2p_search_delay(wpa_s);
   4597 
   4598 	pos = os_strstr(cmd, "freq=");
   4599 	if (pos) {
   4600 		pos += 5;
   4601 		freq = atoi(pos);
   4602 		if (freq <= 0)
   4603 			return -1;
   4604 	}
   4605 
   4606 	/* Must be searched for last, because it adds nul termination */
   4607 	pos = os_strstr(cmd, " seek=");
   4608 	if (pos)
   4609 		pos += 6;
   4610 	while (pos && seek_count < P2P_MAX_QUERY_HASH + 1) {
   4611 		char *term;
   4612 
   4613 		_seek[seek_count++] = pos;
   4614 		seek = _seek;
   4615 		term = os_strchr(pos, ' ');
   4616 		if (!term)
   4617 			break;
   4618 		*term = '\0';
   4619 		pos = os_strstr(term + 1, "seek=");
   4620 		if (pos)
   4621 			pos += 5;
   4622 	}
   4623 	if (seek_count > P2P_MAX_QUERY_HASH) {
   4624 		seek[0] = NULL;
   4625 		seek_count = 1;
   4626 	}
   4627 
   4628 	return wpas_p2p_find(wpa_s, timeout, type, _dev_type != NULL, _dev_type,
   4629 			     _dev_id, search_delay, seek_count, seek, freq);
   4630 }
   4631 
   4632 
   4633 static struct p2ps_provision * p2p_parse_asp_provision_cmd(const char *cmd)
   4634 {
   4635 	struct p2ps_provision *p2ps_prov;
   4636 	char *pos;
   4637 	size_t info_len = 0;
   4638 	char *info = NULL;
   4639 	u8 role = P2PS_SETUP_NONE;
   4640 	long long unsigned val;
   4641 
   4642 	pos = os_strstr(cmd, "info=");
   4643 	if (pos) {
   4644 		pos += 5;
   4645 		info_len = os_strlen(pos);
   4646 
   4647 		if (info_len) {
   4648 			info = os_malloc(info_len + 1);
   4649 			if (info) {
   4650 				info_len = utf8_unescape(pos, info_len,
   4651 							 info, info_len + 1);
   4652 			} else
   4653 				info_len = 0;
   4654 		}
   4655 	}
   4656 
   4657 	p2ps_prov = os_zalloc(sizeof(struct p2ps_provision) + info_len + 1);
   4658 	if (p2ps_prov == NULL) {
   4659 		os_free(info);
   4660 		return NULL;
   4661 	}
   4662 
   4663 	if (info) {
   4664 		os_memcpy(p2ps_prov->info, info, info_len);
   4665 		p2ps_prov->info[info_len] = '\0';
   4666 		os_free(info);
   4667 	}
   4668 
   4669 	pos = os_strstr(cmd, "status=");
   4670 	if (pos)
   4671 		p2ps_prov->status = atoi(pos + 7);
   4672 	else
   4673 		p2ps_prov->status = -1;
   4674 
   4675 	pos = os_strstr(cmd, "adv_id=");
   4676 	if (!pos || sscanf(pos + 7, "%llx", &val) != 1 || val > 0xffffffffULL)
   4677 		goto invalid_args;
   4678 	p2ps_prov->adv_id = val;
   4679 
   4680 	pos = os_strstr(cmd, "method=");
   4681 	if (pos)
   4682 		p2ps_prov->method = strtol(pos + 7, NULL, 16);
   4683 	else
   4684 		p2ps_prov->method = 0;
   4685 
   4686 	pos = os_strstr(cmd, "session=");
   4687 	if (!pos || sscanf(pos + 8, "%llx", &val) != 1 || val > 0xffffffffULL)
   4688 		goto invalid_args;
   4689 	p2ps_prov->session_id = val;
   4690 
   4691 	pos = os_strstr(cmd, "adv_mac=");
   4692 	if (!pos || hwaddr_aton(pos + 8, p2ps_prov->adv_mac))
   4693 		goto invalid_args;
   4694 
   4695 	pos = os_strstr(cmd, "session_mac=");
   4696 	if (!pos || hwaddr_aton(pos + 12, p2ps_prov->session_mac))
   4697 		goto invalid_args;
   4698 
   4699 	/* force conncap with tstCap (no sanity checks) */
   4700 	pos = os_strstr(cmd, "tstCap=");
   4701 	if (pos) {
   4702 		role = strtol(pos + 7, NULL, 16);
   4703 	} else {
   4704 		pos = os_strstr(cmd, "role=");
   4705 		if (pos) {
   4706 			role = strtol(pos + 5, NULL, 16);
   4707 			if (role != P2PS_SETUP_CLIENT &&
   4708 			    role != P2PS_SETUP_GROUP_OWNER)
   4709 				role = P2PS_SETUP_NONE;
   4710 		}
   4711 	}
   4712 	p2ps_prov->role = role;
   4713 
   4714 	return p2ps_prov;
   4715 
   4716 invalid_args:
   4717 	os_free(p2ps_prov);
   4718 	return NULL;
   4719 }
   4720 
   4721 
   4722 static int p2p_ctrl_asp_provision_resp(struct wpa_supplicant *wpa_s, char *cmd)
   4723 {
   4724 	u8 addr[ETH_ALEN];
   4725 	struct p2ps_provision *p2ps_prov;
   4726 	char *pos;
   4727 
   4728 	/* <addr> id=<adv_id> [role=<conncap>] [info=<infodata>] */
   4729 
   4730 	wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
   4731 
   4732 	if (hwaddr_aton(cmd, addr))
   4733 		return -1;
   4734 
   4735 	pos = cmd + 17;
   4736 	if (*pos != ' ')
   4737 		return -1;
   4738 
   4739 	p2ps_prov = p2p_parse_asp_provision_cmd(pos);
   4740 	if (!p2ps_prov)
   4741 		return -1;
   4742 
   4743 	if (p2ps_prov->status < 0) {
   4744 		os_free(p2ps_prov);
   4745 		return -1;
   4746 	}
   4747 
   4748 	return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
   4749 				  p2ps_prov);
   4750 }
   4751 
   4752 
   4753 static int p2p_ctrl_asp_provision(struct wpa_supplicant *wpa_s, char *cmd)
   4754 {
   4755 	u8 addr[ETH_ALEN];
   4756 	struct p2ps_provision *p2ps_prov;
   4757 	char *pos;
   4758 
   4759 	/* <addr> id=<adv_id> adv_mac=<adv_mac> conncap=<conncap>
   4760 	 *        session=<ses_id> mac=<ses_mac> [info=<infodata>]
   4761 	 */
   4762 
   4763 	wpa_printf(MSG_DEBUG, "%s: %s", __func__, cmd);
   4764 	if (hwaddr_aton(cmd, addr))
   4765 		return -1;
   4766 
   4767 	pos = cmd + 17;
   4768 	if (*pos != ' ')
   4769 		return -1;
   4770 
   4771 	p2ps_prov = p2p_parse_asp_provision_cmd(pos);
   4772 	if (!p2ps_prov)
   4773 		return -1;
   4774 
   4775 	return wpas_p2p_prov_disc(wpa_s, addr, NULL, WPAS_P2P_PD_FOR_ASP,
   4776 				  p2ps_prov);
   4777 }
   4778 
   4779 
   4780 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
   4781 			    char *buf, size_t buflen)
   4782 {
   4783 	u8 addr[ETH_ALEN];
   4784 	char *pos, *pos2;
   4785 	char *pin = NULL;
   4786 	enum p2p_wps_method wps_method;
   4787 	int new_pin;
   4788 	int ret;
   4789 	int persistent_group, persistent_id = -1;
   4790 	int join;
   4791 	int auth;
   4792 	int automatic;
   4793 	int go_intent = -1;
   4794 	int freq = 0;
   4795 	int pd;
   4796 	int ht40, vht;
   4797 
   4798 	if (!wpa_s->global->p2p_init_wpa_s)
   4799 		return -1;
   4800 	if (wpa_s->global->p2p_init_wpa_s != wpa_s) {
   4801 		wpa_dbg(wpa_s, MSG_DEBUG, "Direct P2P_CONNECT command to %s",
   4802 			wpa_s->global->p2p_init_wpa_s->ifname);
   4803 		wpa_s = wpa_s->global->p2p_init_wpa_s;
   4804 	}
   4805 
   4806 	/* <addr> <"pbc" | "pin" | PIN> [label|display|keypad|p2ps]
   4807 	 * [persistent|persistent=<network id>]
   4808 	 * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
   4809 	 * [ht40] [vht] [auto] */
   4810 
   4811 	if (hwaddr_aton(cmd, addr))
   4812 		return -1;
   4813 
   4814 	pos = cmd + 17;
   4815 	if (*pos != ' ')
   4816 		return -1;
   4817 	pos++;
   4818 
   4819 	persistent_group = os_strstr(pos, " persistent") != NULL;
   4820 	pos2 = os_strstr(pos, " persistent=");
   4821 	if (pos2) {
   4822 		struct wpa_ssid *ssid;
   4823 		persistent_id = atoi(pos2 + 12);
   4824 		ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
   4825 		if (ssid == NULL || ssid->disabled != 2 ||
   4826 		    ssid->mode != WPAS_MODE_P2P_GO) {
   4827 			wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
   4828 				   "SSID id=%d for persistent P2P group (GO)",
   4829 				   persistent_id);
   4830 			return -1;
   4831 		}
   4832 	}
   4833 	join = os_strstr(pos, " join") != NULL;
   4834 	auth = os_strstr(pos, " auth") != NULL;
   4835 	automatic = os_strstr(pos, " auto") != NULL;
   4836 	pd = os_strstr(pos, " provdisc") != NULL;
   4837 	vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
   4838 	ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
   4839 		vht;
   4840 
   4841 	pos2 = os_strstr(pos, " go_intent=");
   4842 	if (pos2) {
   4843 		pos2 += 11;
   4844 		go_intent = atoi(pos2);
   4845 		if (go_intent < 0 || go_intent > 15)
   4846 			return -1;
   4847 	}
   4848 
   4849 	pos2 = os_strstr(pos, " freq=");
   4850 	if (pos2) {
   4851 		pos2 += 6;
   4852 		freq = atoi(pos2);
   4853 		if (freq <= 0)
   4854 			return -1;
   4855 	}
   4856 
   4857 	if (os_strncmp(pos, "pin", 3) == 0) {
   4858 		/* Request random PIN (to be displayed) and enable the PIN */
   4859 		wps_method = WPS_PIN_DISPLAY;
   4860 	} else if (os_strncmp(pos, "pbc", 3) == 0) {
   4861 		wps_method = WPS_PBC;
   4862 	} else {
   4863 		pin = pos;
   4864 		pos = os_strchr(pin, ' ');
   4865 		wps_method = WPS_PIN_KEYPAD;
   4866 		if (pos) {
   4867 			*pos++ = '\0';
   4868 			if (os_strncmp(pos, "display", 7) == 0)
   4869 				wps_method = WPS_PIN_DISPLAY;
   4870 			else if (os_strncmp(pos, "p2ps", 4) == 0)
   4871 				wps_method = WPS_P2PS;
   4872 		}
   4873 		if (!wps_pin_str_valid(pin)) {
   4874 			os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
   4875 			return 17;
   4876 		}
   4877 	}
   4878 
   4879 	new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
   4880 				   persistent_group, automatic, join,
   4881 				   auth, go_intent, freq, persistent_id, pd,
   4882 				   ht40, vht);
   4883 	if (new_pin == -2) {
   4884 		os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
   4885 		return 25;
   4886 	}
   4887 	if (new_pin == -3) {
   4888 		os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
   4889 		return 25;
   4890 	}
   4891 	if (new_pin < 0)
   4892 		return -1;
   4893 	if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
   4894 		ret = os_snprintf(buf, buflen, "%08d", new_pin);
   4895 		if (os_snprintf_error(buflen, ret))
   4896 			return -1;
   4897 		return ret;
   4898 	}
   4899 
   4900 	os_memcpy(buf, "OK\n", 3);
   4901 	return 3;
   4902 }
   4903 
   4904 
   4905 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
   4906 {
   4907 	unsigned int timeout = atoi(cmd);
   4908 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
   4909 		wpa_dbg(wpa_s, MSG_INFO,
   4910 			"Reject P2P_LISTEN since interface is disabled");
   4911 		return -1;
   4912 	}
   4913 	return wpas_p2p_listen(wpa_s, timeout);
   4914 }
   4915 
   4916 
   4917 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
   4918 {
   4919 	u8 addr[ETH_ALEN];
   4920 	char *pos;
   4921 	enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
   4922 
   4923 	/* <addr> <config method> [join|auto] */
   4924 
   4925 	if (hwaddr_aton(cmd, addr))
   4926 		return -1;
   4927 
   4928 	pos = cmd + 17;
   4929 	if (*pos != ' ')
   4930 		return -1;
   4931 	pos++;
   4932 
   4933 	if (os_strstr(pos, " join") != NULL)
   4934 		use = WPAS_P2P_PD_FOR_JOIN;
   4935 	else if (os_strstr(pos, " auto") != NULL)
   4936 		use = WPAS_P2P_PD_AUTO;
   4937 
   4938 	return wpas_p2p_prov_disc(wpa_s, addr, pos, use, NULL);
   4939 }
   4940 
   4941 
   4942 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
   4943 			      size_t buflen)
   4944 {
   4945 	struct wpa_ssid *ssid = wpa_s->current_ssid;
   4946 
   4947 	if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
   4948 	    ssid->passphrase == NULL)
   4949 		return -1;
   4950 
   4951 	os_strlcpy(buf, ssid->passphrase, buflen);
   4952 	return os_strlen(buf);
   4953 }
   4954 
   4955 
   4956 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
   4957 				  char *buf, size_t buflen)
   4958 {
   4959 	u64 ref;
   4960 	int res;
   4961 	u8 dst_buf[ETH_ALEN], *dst;
   4962 	struct wpabuf *tlvs;
   4963 	char *pos;
   4964 	size_t len;
   4965 
   4966 	if (hwaddr_aton(cmd, dst_buf))
   4967 		return -1;
   4968 	dst = dst_buf;
   4969 	if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
   4970 	    dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
   4971 		dst = NULL;
   4972 	pos = cmd + 17;
   4973 	if (*pos != ' ')
   4974 		return -1;
   4975 	pos++;
   4976 
   4977 	if (os_strncmp(pos, "upnp ", 5) == 0) {
   4978 		u8 version;
   4979 		pos += 5;
   4980 		if (hexstr2bin(pos, &version, 1) < 0)
   4981 			return -1;
   4982 		pos += 2;
   4983 		if (*pos != ' ')
   4984 			return -1;
   4985 		pos++;
   4986 		ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
   4987 #ifdef CONFIG_WIFI_DISPLAY
   4988 	} else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
   4989 		ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
   4990 #endif /* CONFIG_WIFI_DISPLAY */
   4991 	} else if (os_strncmp(pos, "asp ", 4) == 0) {
   4992 		char *svc_str;
   4993 		char *svc_info = NULL;
   4994 		u32 id;
   4995 
   4996 		pos += 4;
   4997 		if (sscanf(pos, "%x", &id) != 1 || id > 0xff)
   4998 			return -1;
   4999 
   5000 		pos = os_strchr(pos, ' ');
   5001 		if (pos == NULL || pos[1] == '\0' || pos[1] == ' ')
   5002 			return -1;
   5003 
   5004 		svc_str = pos + 1;
   5005 
   5006 		pos = os_strchr(svc_str, ' ');
   5007 
   5008 		if (pos)
   5009 			*pos++ = '\0';
   5010 
   5011 		/* All remaining data is the svc_info string */
   5012 		if (pos && pos[0] && pos[0] != ' ') {
   5013 			len = os_strlen(pos);
   5014 
   5015 			/* Unescape in place */
   5016 			len = utf8_unescape(pos, len, pos, len);
   5017 			if (len > 0xff)
   5018 				return -1;
   5019 
   5020 			svc_info = pos;
   5021 		}
   5022 
   5023 		ref = wpas_p2p_sd_request_asp(wpa_s, dst, (u8) id,
   5024 					      svc_str, svc_info);
   5025 	} else {
   5026 		len = os_strlen(pos);
   5027 		if (len & 1)
   5028 			return -1;
   5029 		len /= 2;
   5030 		tlvs = wpabuf_alloc(len);
   5031 		if (tlvs == NULL)
   5032 			return -1;
   5033 		if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
   5034 			wpabuf_free(tlvs);
   5035 			return -1;
   5036 		}
   5037 
   5038 		ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
   5039 		wpabuf_free(tlvs);
   5040 	}
   5041 	if (ref == 0)
   5042 		return -1;
   5043 	res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
   5044 	if (os_snprintf_error(buflen, res))
   5045 		return -1;
   5046 	return res;
   5047 }
   5048 
   5049 
   5050 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
   5051 					 char *cmd)
   5052 {
   5053 	long long unsigned val;
   5054 	u64 req;
   5055 	if (sscanf(cmd, "%llx", &val) != 1)
   5056 		return -1;
   5057 	req = val;
   5058 	return wpas_p2p_sd_cancel_request(wpa_s, req);
   5059 }
   5060 
   5061 
   5062 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
   5063 {
   5064 	int freq;
   5065 	u8 dst[ETH_ALEN];
   5066 	u8 dialog_token;
   5067 	struct wpabuf *resp_tlvs;
   5068 	char *pos, *pos2;
   5069 	size_t len;
   5070 
   5071 	pos = os_strchr(cmd, ' ');
   5072 	if (pos == NULL)
   5073 		return -1;
   5074 	*pos++ = '\0';
   5075 	freq = atoi(cmd);
   5076 	if (freq == 0)
   5077 		return -1;
   5078 
   5079 	if (hwaddr_aton(pos, dst))
   5080 		return -1;
   5081 	pos += 17;
   5082 	if (*pos != ' ')
   5083 		return -1;
   5084 	pos++;
   5085 
   5086 	pos2 = os_strchr(pos, ' ');
   5087 	if (pos2 == NULL)
   5088 		return -1;
   5089 	*pos2++ = '\0';
   5090 	dialog_token = atoi(pos);
   5091 
   5092 	len = os_strlen(pos2);
   5093 	if (len & 1)
   5094 		return -1;
   5095 	len /= 2;
   5096 	resp_tlvs = wpabuf_alloc(len);
   5097 	if (resp_tlvs == NULL)
   5098 		return -1;
   5099 	if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
   5100 		wpabuf_free(resp_tlvs);
   5101 		return -1;
   5102 	}
   5103 
   5104 	wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
   5105 	wpabuf_free(resp_tlvs);
   5106 	return 0;
   5107 }
   5108 
   5109 
   5110 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
   5111 				       char *cmd)
   5112 {
   5113 	if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
   5114 		return -1;
   5115 	wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
   5116 	return 0;
   5117 }
   5118 
   5119 
   5120 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
   5121 					char *cmd)
   5122 {
   5123 	char *pos;
   5124 	size_t len;
   5125 	struct wpabuf *query, *resp;
   5126 
   5127 	pos = os_strchr(cmd, ' ');
   5128 	if (pos == NULL)
   5129 		return -1;
   5130 	*pos++ = '\0';
   5131 
   5132 	len = os_strlen(cmd);
   5133 	if (len & 1)
   5134 		return -1;
   5135 	len /= 2;
   5136 	query = wpabuf_alloc(len);
   5137 	if (query == NULL)
   5138 		return -1;
   5139 	if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
   5140 		wpabuf_free(query);
   5141 		return -1;
   5142 	}
   5143 
   5144 	len = os_strlen(pos);
   5145 	if (len & 1) {
   5146 		wpabuf_free(query);
   5147 		return -1;
   5148 	}
   5149 	len /= 2;
   5150 	resp = wpabuf_alloc(len);
   5151 	if (resp == NULL) {
   5152 		wpabuf_free(query);
   5153 		return -1;
   5154 	}
   5155 	if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
   5156 		wpabuf_free(query);
   5157 		wpabuf_free(resp);
   5158 		return -1;
   5159 	}
   5160 
   5161 	if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
   5162 		wpabuf_free(query);
   5163 		wpabuf_free(resp);
   5164 		return -1;
   5165 	}
   5166 	return 0;
   5167 }
   5168 
   5169 
   5170 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
   5171 {
   5172 	char *pos;
   5173 	u8 version;
   5174 
   5175 	pos = os_strchr(cmd, ' ');
   5176 	if (pos == NULL)
   5177 		return -1;
   5178 	*pos++ = '\0';
   5179 
   5180 	if (hexstr2bin(cmd, &version, 1) < 0)
   5181 		return -1;
   5182 
   5183 	return wpas_p2p_service_add_upnp(wpa_s, version, pos);
   5184 }
   5185 
   5186 
   5187 static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
   5188 				    u8 replace, char *cmd)
   5189 {
   5190 	char *pos;
   5191 	char *adv_str;
   5192 	u32 auto_accept, adv_id, svc_state, config_methods;
   5193 	char *svc_info = NULL;
   5194 
   5195 	pos = os_strchr(cmd, ' ');
   5196 	if (pos == NULL)
   5197 		return -1;
   5198 	*pos++ = '\0';
   5199 
   5200 	/* Auto-Accept value is mandatory, and must be one of the
   5201 	 * single values (0, 1, 2, 4) */
   5202 	auto_accept = atoi(cmd);
   5203 	switch (auto_accept) {
   5204 	case P2PS_SETUP_NONE: /* No auto-accept */
   5205 	case P2PS_SETUP_NEW:
   5206 	case P2PS_SETUP_CLIENT:
   5207 	case P2PS_SETUP_GROUP_OWNER:
   5208 		break;
   5209 	default:
   5210 		return -1;
   5211 	}
   5212 
   5213 	/* Advertisement ID is mandatory */
   5214 	cmd = pos;
   5215 	pos = os_strchr(cmd, ' ');
   5216 	if (pos == NULL)
   5217 		return -1;
   5218 	*pos++ = '\0';
   5219 
   5220 	/* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
   5221 	if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
   5222 		return -1;
   5223 
   5224 	/* Only allow replacements if exist, and adds if not */
   5225 	if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
   5226 		if (!replace)
   5227 			return -1;
   5228 	} else {
   5229 		if (replace)
   5230 			return -1;
   5231 	}
   5232 
   5233 	/* svc_state between 0 - 0xff is mandatory */
   5234 	if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
   5235 		return -1;
   5236 
   5237 	pos = os_strchr(pos, ' ');
   5238 	if (pos == NULL)
   5239 		return -1;
   5240 
   5241 	/* config_methods is mandatory */
   5242 	pos++;
   5243 	if (sscanf(pos, "%x", &config_methods) != 1)
   5244 		return -1;
   5245 
   5246 	if (!(config_methods &
   5247 	      (WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
   5248 		return -1;
   5249 
   5250 	pos = os_strchr(pos, ' ');
   5251 	if (pos == NULL)
   5252 		return -1;
   5253 
   5254 	pos++;
   5255 	adv_str = pos;
   5256 
   5257 	/* Advertisement string is mandatory */
   5258 	if (!pos[0] || pos[0] == ' ')
   5259 		return -1;
   5260 
   5261 	/* Terminate svc string */
   5262 	pos = os_strchr(pos, ' ');
   5263 	if (pos != NULL)
   5264 		*pos++ = '\0';
   5265 
   5266 	/* Service and Response Information are optional */
   5267 	if (pos && pos[0]) {
   5268 		size_t len;
   5269 
   5270 		/* Note the bare ' included, which cannot exist legally
   5271 		 * in unescaped string. */
   5272 		svc_info = os_strstr(pos, "svc_info='");
   5273 
   5274 		if (svc_info) {
   5275 			svc_info += 9;
   5276 			len = os_strlen(svc_info);
   5277 			utf8_unescape(svc_info, len, svc_info, len);
   5278 		}
   5279 	}
   5280 
   5281 	return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
   5282 					(u8) svc_state, (u16) config_methods,
   5283 					svc_info);
   5284 }
   5285 
   5286 
   5287 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
   5288 {
   5289 	char *pos;
   5290 
   5291 	pos = os_strchr(cmd, ' ');
   5292 	if (pos == NULL)
   5293 		return -1;
   5294 	*pos++ = '\0';
   5295 
   5296 	if (os_strcmp(cmd, "bonjour") == 0)
   5297 		return p2p_ctrl_service_add_bonjour(wpa_s, pos);
   5298 	if (os_strcmp(cmd, "upnp") == 0)
   5299 		return p2p_ctrl_service_add_upnp(wpa_s, pos);
   5300 	if (os_strcmp(cmd, "asp") == 0)
   5301 		return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
   5302 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
   5303 	return -1;
   5304 }
   5305 
   5306 
   5307 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
   5308 					char *cmd)
   5309 {
   5310 	size_t len;
   5311 	struct wpabuf *query;
   5312 	int ret;
   5313 
   5314 	len = os_strlen(cmd);
   5315 	if (len & 1)
   5316 		return -1;
   5317 	len /= 2;
   5318 	query = wpabuf_alloc(len);
   5319 	if (query == NULL)
   5320 		return -1;
   5321 	if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
   5322 		wpabuf_free(query);
   5323 		return -1;
   5324 	}
   5325 
   5326 	ret = wpas_p2p_service_del_bonjour(wpa_s, query);
   5327 	wpabuf_free(query);
   5328 	return ret;
   5329 }
   5330 
   5331 
   5332 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
   5333 {
   5334 	char *pos;
   5335 	u8 version;
   5336 
   5337 	pos = os_strchr(cmd, ' ');
   5338 	if (pos == NULL)
   5339 		return -1;
   5340 	*pos++ = '\0';
   5341 
   5342 	if (hexstr2bin(cmd, &version, 1) < 0)
   5343 		return -1;
   5344 
   5345 	return wpas_p2p_service_del_upnp(wpa_s, version, pos);
   5346 }
   5347 
   5348 
   5349 static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
   5350 {
   5351 	u32 adv_id;
   5352 
   5353 	if (os_strcmp(cmd, "all") == 0) {
   5354 		wpas_p2p_service_flush_asp(wpa_s);
   5355 		return 0;
   5356 	}
   5357 
   5358 	if (sscanf(cmd, "%x", &adv_id) != 1)
   5359 		return -1;
   5360 
   5361 	return wpas_p2p_service_del_asp(wpa_s, adv_id);
   5362 }
   5363 
   5364 
   5365 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
   5366 {
   5367 	char *pos;
   5368 
   5369 	pos = os_strchr(cmd, ' ');
   5370 	if (pos == NULL)
   5371 		return -1;
   5372 	*pos++ = '\0';
   5373 
   5374 	if (os_strcmp(cmd, "bonjour") == 0)
   5375 		return p2p_ctrl_service_del_bonjour(wpa_s, pos);
   5376 	if (os_strcmp(cmd, "upnp") == 0)
   5377 		return p2p_ctrl_service_del_upnp(wpa_s, pos);
   5378 	if (os_strcmp(cmd, "asp") == 0)
   5379 		return p2p_ctrl_service_del_asp(wpa_s, pos);
   5380 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
   5381 	return -1;
   5382 }
   5383 
   5384 
   5385 static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
   5386 {
   5387 	char *pos;
   5388 
   5389 	pos = os_strchr(cmd, ' ');
   5390 	if (pos == NULL)
   5391 		return -1;
   5392 	*pos++ = '\0';
   5393 
   5394 	if (os_strcmp(cmd, "asp") == 0)
   5395 		return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
   5396 
   5397 	wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
   5398 	return -1;
   5399 }
   5400 
   5401 
   5402 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
   5403 {
   5404 	u8 addr[ETH_ALEN];
   5405 
   5406 	/* <addr> */
   5407 
   5408 	if (hwaddr_aton(cmd, addr))
   5409 		return -1;
   5410 
   5411 	return wpas_p2p_reject(wpa_s, addr);
   5412 }
   5413 
   5414 
   5415 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
   5416 {
   5417 	char *pos;
   5418 	int id;
   5419 	struct wpa_ssid *ssid;
   5420 	u8 *_peer = NULL, peer[ETH_ALEN];
   5421 	int freq = 0, pref_freq = 0;
   5422 	int ht40, vht;
   5423 
   5424 	id = atoi(cmd);
   5425 	pos = os_strstr(cmd, " peer=");
   5426 	if (pos) {
   5427 		pos += 6;
   5428 		if (hwaddr_aton(pos, peer))
   5429 			return -1;
   5430 		_peer = peer;
   5431 	}
   5432 	ssid = wpa_config_get_network(wpa_s->conf, id);
   5433 	if (ssid == NULL || ssid->disabled != 2) {
   5434 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
   5435 			   "for persistent P2P group",
   5436 			   id);
   5437 		return -1;
   5438 	}
   5439 
   5440 	pos = os_strstr(cmd, " freq=");
   5441 	if (pos) {
   5442 		pos += 6;
   5443 		freq = atoi(pos);
   5444 		if (freq <= 0)
   5445 			return -1;
   5446 	}
   5447 
   5448 	pos = os_strstr(cmd, " pref=");
   5449 	if (pos) {
   5450 		pos += 6;
   5451 		pref_freq = atoi(pos);
   5452 		if (pref_freq <= 0)
   5453 			return -1;
   5454 	}
   5455 
   5456 	vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
   5457 	ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
   5458 		vht;
   5459 
   5460 	return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
   5461 			       pref_freq);
   5462 }
   5463 
   5464 
   5465 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
   5466 {
   5467 	char *pos;
   5468 	u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
   5469 
   5470 	pos = os_strstr(cmd, " peer=");
   5471 	if (!pos)
   5472 		return -1;
   5473 
   5474 	*pos = '\0';
   5475 	pos += 6;
   5476 	if (hwaddr_aton(pos, peer)) {
   5477 		wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
   5478 		return -1;
   5479 	}
   5480 
   5481 	pos = os_strstr(pos, " go_dev_addr=");
   5482 	if (pos) {
   5483 		pos += 13;
   5484 		if (hwaddr_aton(pos, go_dev_addr)) {
   5485 			wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
   5486 				   pos);
   5487 			return -1;
   5488 		}
   5489 		go_dev = go_dev_addr;
   5490 	}
   5491 
   5492 	return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
   5493 }
   5494 
   5495 
   5496 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
   5497 {
   5498 	if (os_strncmp(cmd, "persistent=", 11) == 0)
   5499 		return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
   5500 	if (os_strncmp(cmd, "group=", 6) == 0)
   5501 		return p2p_ctrl_invite_group(wpa_s, cmd + 6);
   5502 
   5503 	return -1;
   5504 }
   5505 
   5506 
   5507 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
   5508 					 int id, int freq, int ht40, int vht)
   5509 {
   5510 	struct wpa_ssid *ssid;
   5511 
   5512 	ssid = wpa_config_get_network(wpa_s->conf, id);
   5513 	if (ssid == NULL || ssid->disabled != 2) {
   5514 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
   5515 			   "for persistent P2P group",
   5516 			   id);
   5517 		return -1;
   5518 	}
   5519 
   5520 	return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, ht40, vht,
   5521 					     NULL, 0);
   5522 }
   5523 
   5524 
   5525 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
   5526 {
   5527 	int freq = 0, persistent = 0, group_id = -1;
   5528 	int vht = wpa_s->conf->p2p_go_vht;
   5529 	int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
   5530 	char *token, *context = NULL;
   5531 
   5532 	while ((token = str_token(cmd, " ", &context))) {
   5533 		if (sscanf(token, "freq=%d", &freq) == 1 ||
   5534 		    sscanf(token, "persistent=%d", &group_id) == 1) {
   5535 			continue;
   5536 		} else if (os_strcmp(token, "ht40") == 0) {
   5537 			ht40 = 1;
   5538 		} else if (os_strcmp(token, "vht") == 0) {
   5539 			vht = 1;
   5540 			ht40 = 1;
   5541 		} else if (os_strcmp(token, "persistent") == 0) {
   5542 			persistent = 1;
   5543 		} else {
   5544 			wpa_printf(MSG_DEBUG,
   5545 				   "CTRL: Invalid P2P_GROUP_ADD parameter: '%s'",
   5546 				   token);
   5547 			return -1;
   5548 		}
   5549 	}
   5550 
   5551 	if (group_id >= 0)
   5552 		return p2p_ctrl_group_add_persistent(wpa_s, group_id,
   5553 						     freq, ht40, vht);
   5554 
   5555 	return wpas_p2p_group_add(wpa_s, persistent, freq, ht40, vht);
   5556 }
   5557 
   5558 
   5559 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
   5560 			 char *buf, size_t buflen)
   5561 {
   5562 	u8 addr[ETH_ALEN], *addr_ptr;
   5563 	int next, res;
   5564 	const struct p2p_peer_info *info;
   5565 	char *pos, *end;
   5566 	char devtype[WPS_DEV_TYPE_BUFSIZE];
   5567 	struct wpa_ssid *ssid;
   5568 	size_t i;
   5569 
   5570 	if (!wpa_s->global->p2p)
   5571 		return -1;
   5572 
   5573 	if (os_strcmp(cmd, "FIRST") == 0) {
   5574 		addr_ptr = NULL;
   5575 		next = 0;
   5576 	} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
   5577 		if (hwaddr_aton(cmd + 5, addr) < 0)
   5578 			return -1;
   5579 		addr_ptr = addr;
   5580 		next = 1;
   5581 	} else {
   5582 		if (hwaddr_aton(cmd, addr) < 0)
   5583 			return -1;
   5584 		addr_ptr = addr;
   5585 		next = 0;
   5586 	}
   5587 
   5588 	info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
   5589 	if (info == NULL)
   5590 		return -1;
   5591 
   5592 	pos = buf;
   5593 	end = buf + buflen;
   5594 
   5595 	res = os_snprintf(pos, end - pos, MACSTR "\n"
   5596 			  "pri_dev_type=%s\n"
   5597 			  "device_name=%s\n"
   5598 			  "manufacturer=%s\n"
   5599 			  "model_name=%s\n"
   5600 			  "model_number=%s\n"
   5601 			  "serial_number=%s\n"
   5602 			  "config_methods=0x%x\n"
   5603 			  "dev_capab=0x%x\n"
   5604 			  "group_capab=0x%x\n"
   5605 			  "level=%d\n",
   5606 			  MAC2STR(info->p2p_device_addr),
   5607 			  wps_dev_type_bin2str(info->pri_dev_type,
   5608 					       devtype, sizeof(devtype)),
   5609 			  info->device_name,
   5610 			  info->manufacturer,
   5611 			  info->model_name,
   5612 			  info->model_number,
   5613 			  info->serial_number,
   5614 			  info->config_methods,
   5615 			  info->dev_capab,
   5616 			  info->group_capab,
   5617 			  info->level);
   5618 	if (os_snprintf_error(end - pos, res))
   5619 		return pos - buf;
   5620 	pos += res;
   5621 
   5622 	for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
   5623 	{
   5624 		const u8 *t;
   5625 		t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
   5626 		res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
   5627 				  wps_dev_type_bin2str(t, devtype,
   5628 						       sizeof(devtype)));
   5629 		if (os_snprintf_error(end - pos, res))
   5630 			return pos - buf;
   5631 		pos += res;
   5632 	}
   5633 
   5634 	ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
   5635 	if (ssid) {
   5636 		res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
   5637 		if (os_snprintf_error(end - pos, res))
   5638 			return pos - buf;
   5639 		pos += res;
   5640 	}
   5641 
   5642 	res = p2p_get_peer_info_txt(info, pos, end - pos);
   5643 	if (res < 0)
   5644 		return pos - buf;
   5645 	pos += res;
   5646 
   5647 	if (info->vendor_elems) {
   5648 		res = os_snprintf(pos, end - pos, "vendor_elems=");
   5649 		if (os_snprintf_error(end - pos, res))
   5650 			return pos - buf;
   5651 		pos += res;
   5652 
   5653 		pos += wpa_snprintf_hex(pos, end - pos,
   5654 					wpabuf_head(info->vendor_elems),
   5655 					wpabuf_len(info->vendor_elems));
   5656 
   5657 		res = os_snprintf(pos, end - pos, "\n");
   5658 		if (os_snprintf_error(end - pos, res))
   5659 			return pos - buf;
   5660 		pos += res;
   5661 	}
   5662 
   5663 	return pos - buf;
   5664 }
   5665 
   5666 
   5667 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
   5668 				  const char *param)
   5669 {
   5670 	unsigned int i;
   5671 
   5672 	if (wpa_s->global->p2p == NULL)
   5673 		return -1;
   5674 
   5675 	if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
   5676 		return -1;
   5677 
   5678 	for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
   5679 		struct wpa_freq_range *freq;
   5680 		freq = &wpa_s->global->p2p_disallow_freq.range[i];
   5681 		wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
   5682 			   freq->min, freq->max);
   5683 	}
   5684 
   5685 	wpas_p2p_update_channel_list(wpa_s);
   5686 	return 0;
   5687 }
   5688 
   5689 
   5690 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
   5691 {
   5692 	char *param;
   5693 
   5694 	if (wpa_s->global->p2p == NULL)
   5695 		return -1;
   5696 
   5697 	param = os_strchr(cmd, ' ');
   5698 	if (param == NULL)
   5699 		return -1;
   5700 	*param++ = '\0';
   5701 
   5702 	if (os_strcmp(cmd, "discoverability") == 0) {
   5703 		p2p_set_client_discoverability(wpa_s->global->p2p,
   5704 					       atoi(param));
   5705 		return 0;
   5706 	}
   5707 
   5708 	if (os_strcmp(cmd, "managed") == 0) {
   5709 		p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
   5710 		return 0;
   5711 	}
   5712 
   5713 	if (os_strcmp(cmd, "listen_channel") == 0) {
   5714 		return p2p_set_listen_channel(wpa_s->global->p2p, 81,
   5715 					      atoi(param), 1);
   5716 	}
   5717 
   5718 	if (os_strcmp(cmd, "ssid_postfix") == 0) {
   5719 		return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
   5720 					    os_strlen(param));
   5721 	}
   5722 
   5723 	if (os_strcmp(cmd, "noa") == 0) {
   5724 		char *pos;
   5725 		int count, start, duration;
   5726 		/* GO NoA parameters: count,start_offset(ms),duration(ms) */
   5727 		count = atoi(param);
   5728 		pos = os_strchr(param, ',');
   5729 		if (pos == NULL)
   5730 			return -1;
   5731 		pos++;
   5732 		start = atoi(pos);
   5733 		pos = os_strchr(pos, ',');
   5734 		if (pos == NULL)
   5735 			return -1;
   5736 		pos++;
   5737 		duration = atoi(pos);
   5738 		if (count < 0 || count > 255 || start < 0 || duration < 0)
   5739 			return -1;
   5740 		if (count == 0 && duration > 0)
   5741 			return -1;
   5742 		wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
   5743 			   "start=%d duration=%d", count, start, duration);
   5744 		return wpas_p2p_set_noa(wpa_s, count, start, duration);
   5745 	}
   5746 
   5747 	if (os_strcmp(cmd, "ps") == 0)
   5748 		return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
   5749 
   5750 	if (os_strcmp(cmd, "oppps") == 0)
   5751 		return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
   5752 
   5753 	if (os_strcmp(cmd, "ctwindow") == 0)
   5754 		return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
   5755 
   5756 	if (os_strcmp(cmd, "disabled") == 0) {
   5757 		wpa_s->global->p2p_disabled = atoi(param);
   5758 		wpa_printf(MSG_DEBUG, "P2P functionality %s",
   5759 			   wpa_s->global->p2p_disabled ?
   5760 			   "disabled" : "enabled");
   5761 		if (wpa_s->global->p2p_disabled) {
   5762 			wpas_p2p_stop_find(wpa_s);
   5763 			os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
   5764 			p2p_flush(wpa_s->global->p2p);
   5765 		}
   5766 		return 0;
   5767 	}
   5768 
   5769 	if (os_strcmp(cmd, "conc_pref") == 0) {
   5770 		if (os_strcmp(param, "sta") == 0)
   5771 			wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
   5772 		else if (os_strcmp(param, "p2p") == 0)
   5773 			wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
   5774 		else {
   5775 			wpa_printf(MSG_INFO, "Invalid conc_pref value");
   5776 			return -1;
   5777 		}
   5778 		wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
   5779 			   "%s", param);
   5780 		return 0;
   5781 	}
   5782 
   5783 	if (os_strcmp(cmd, "force_long_sd") == 0) {
   5784 		wpa_s->force_long_sd = atoi(param);
   5785 		return 0;
   5786 	}
   5787 
   5788 	if (os_strcmp(cmd, "peer_filter") == 0) {
   5789 		u8 addr[ETH_ALEN];
   5790 		if (hwaddr_aton(param, addr))
   5791 			return -1;
   5792 		p2p_set_peer_filter(wpa_s->global->p2p, addr);
   5793 		return 0;
   5794 	}
   5795 
   5796 	if (os_strcmp(cmd, "cross_connect") == 0)
   5797 		return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
   5798 
   5799 	if (os_strcmp(cmd, "go_apsd") == 0) {
   5800 		if (os_strcmp(param, "disable") == 0)
   5801 			wpa_s->set_ap_uapsd = 0;
   5802 		else {
   5803 			wpa_s->set_ap_uapsd = 1;
   5804 			wpa_s->ap_uapsd = atoi(param);
   5805 		}
   5806 		return 0;
   5807 	}
   5808 
   5809 	if (os_strcmp(cmd, "client_apsd") == 0) {
   5810 		if (os_strcmp(param, "disable") == 0)
   5811 			wpa_s->set_sta_uapsd = 0;
   5812 		else {
   5813 			int be, bk, vi, vo;
   5814 			char *pos;
   5815 			/* format: BE,BK,VI,VO;max SP Length */
   5816 			be = atoi(param);
   5817 			pos = os_strchr(param, ',');
   5818 			if (pos == NULL)
   5819 				return -1;
   5820 			pos++;
   5821 			bk = atoi(pos);
   5822 			pos = os_strchr(pos, ',');
   5823 			if (pos == NULL)
   5824 				return -1;
   5825 			pos++;
   5826 			vi = atoi(pos);
   5827 			pos = os_strchr(pos, ',');
   5828 			if (pos == NULL)
   5829 				return -1;
   5830 			pos++;
   5831 			vo = atoi(pos);
   5832 			/* ignore max SP Length for now */
   5833 
   5834 			wpa_s->set_sta_uapsd = 1;
   5835 			wpa_s->sta_uapsd = 0;
   5836 			if (be)
   5837 				wpa_s->sta_uapsd |= BIT(0);
   5838 			if (bk)
   5839 				wpa_s->sta_uapsd |= BIT(1);
   5840 			if (vi)
   5841 				wpa_s->sta_uapsd |= BIT(2);
   5842 			if (vo)
   5843 				wpa_s->sta_uapsd |= BIT(3);
   5844 		}
   5845 		return 0;
   5846 	}
   5847 
   5848 	if (os_strcmp(cmd, "disallow_freq") == 0)
   5849 		return p2p_ctrl_disallow_freq(wpa_s, param);
   5850 
   5851 	if (os_strcmp(cmd, "disc_int") == 0) {
   5852 		int min_disc_int, max_disc_int, max_disc_tu;
   5853 		char *pos;
   5854 
   5855 		pos = param;
   5856 
   5857 		min_disc_int = atoi(pos);
   5858 		pos = os_strchr(pos, ' ');
   5859 		if (pos == NULL)
   5860 			return -1;
   5861 		*pos++ = '\0';
   5862 
   5863 		max_disc_int = atoi(pos);
   5864 		pos = os_strchr(pos, ' ');
   5865 		if (pos == NULL)
   5866 			return -1;
   5867 		*pos++ = '\0';
   5868 
   5869 		max_disc_tu = atoi(pos);
   5870 
   5871 		return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
   5872 					max_disc_int, max_disc_tu);
   5873 	}
   5874 
   5875 	if (os_strcmp(cmd, "per_sta_psk") == 0) {
   5876 		wpa_s->global->p2p_per_sta_psk = !!atoi(param);
   5877 		return 0;
   5878 	}
   5879 
   5880 #ifdef CONFIG_WPS_NFC
   5881 	if (os_strcmp(cmd, "nfc_tag") == 0)
   5882 		return wpas_p2p_nfc_tag_enabled(wpa_s, !!atoi(param));
   5883 #endif /* CONFIG_WPS_NFC */
   5884 
   5885 	if (os_strcmp(cmd, "disable_ip_addr_req") == 0) {
   5886 		wpa_s->p2p_disable_ip_addr_req = !!atoi(param);
   5887 		return 0;
   5888 	}
   5889 
   5890 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
   5891 		   cmd);
   5892 
   5893 	return -1;
   5894 }
   5895 
   5896 
   5897 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
   5898 {
   5899 	os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
   5900 	wpa_s->force_long_sd = 0;
   5901 	wpas_p2p_stop_find(wpa_s);
   5902 	if (wpa_s->global->p2p)
   5903 		p2p_flush(wpa_s->global->p2p);
   5904 }
   5905 
   5906 
   5907 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
   5908 {
   5909 	char *pos, *pos2;
   5910 	unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
   5911 
   5912 	if (cmd[0]) {
   5913 		pos = os_strchr(cmd, ' ');
   5914 		if (pos == NULL)
   5915 			return -1;
   5916 		*pos++ = '\0';
   5917 		dur1 = atoi(cmd);
   5918 
   5919 		pos2 = os_strchr(pos, ' ');
   5920 		if (pos2)
   5921 			*pos2++ = '\0';
   5922 		int1 = atoi(pos);
   5923 	} else
   5924 		pos2 = NULL;
   5925 
   5926 	if (pos2) {
   5927 		pos = os_strchr(pos2, ' ');
   5928 		if (pos == NULL)
   5929 			return -1;
   5930 		*pos++ = '\0';
   5931 		dur2 = atoi(pos2);
   5932 		int2 = atoi(pos);
   5933 	}
   5934 
   5935 	return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
   5936 }
   5937 
   5938 
   5939 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
   5940 {
   5941 	char *pos;
   5942 	unsigned int period = 0, interval = 0;
   5943 
   5944 	if (cmd[0]) {
   5945 		pos = os_strchr(cmd, ' ');
   5946 		if (pos == NULL)
   5947 			return -1;
   5948 		*pos++ = '\0';
   5949 		period = atoi(cmd);
   5950 		interval = atoi(pos);
   5951 	}
   5952 
   5953 	return wpas_p2p_ext_listen(wpa_s, period, interval);
   5954 }
   5955 
   5956 
   5957 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
   5958 {
   5959 	const char *pos;
   5960 	u8 peer[ETH_ALEN];
   5961 	int iface_addr = 0;
   5962 
   5963 	pos = cmd;
   5964 	if (os_strncmp(pos, "iface=", 6) == 0) {
   5965 		iface_addr = 1;
   5966 		pos += 6;
   5967 	}
   5968 	if (hwaddr_aton(pos, peer))
   5969 		return -1;
   5970 
   5971 	wpas_p2p_remove_client(wpa_s, peer, iface_addr);
   5972 	return 0;
   5973 }
   5974 
   5975 #endif /* CONFIG_P2P */
   5976 
   5977 
   5978 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
   5979 {
   5980 	struct wpa_freq_range_list ranges;
   5981 	int *freqs = NULL;
   5982 	struct hostapd_hw_modes *mode;
   5983 	u16 i;
   5984 
   5985 	if (wpa_s->hw.modes == NULL)
   5986 		return NULL;
   5987 
   5988 	os_memset(&ranges, 0, sizeof(ranges));
   5989 	if (freq_range_list_parse(&ranges, val) < 0)
   5990 		return NULL;
   5991 
   5992 	for (i = 0; i < wpa_s->hw.num_modes; i++) {
   5993 		int j;
   5994 
   5995 		mode = &wpa_s->hw.modes[i];
   5996 		for (j = 0; j < mode->num_channels; j++) {
   5997 			unsigned int freq;
   5998 
   5999 			if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
   6000 				continue;
   6001 
   6002 			freq = mode->channels[j].freq;
   6003 			if (!freq_range_list_includes(&ranges, freq))
   6004 				continue;
   6005 
   6006 			int_array_add_unique(&freqs, freq);
   6007 		}
   6008 	}
   6009 
   6010 	os_free(ranges.range);
   6011 	return freqs;
   6012 }
   6013 
   6014 
   6015 #ifdef CONFIG_INTERWORKING
   6016 
   6017 static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
   6018 {
   6019 	int auto_sel = 0;
   6020 	int *freqs = NULL;
   6021 
   6022 	if (param) {
   6023 		char *pos;
   6024 
   6025 		auto_sel = os_strstr(param, "auto") != NULL;
   6026 
   6027 		pos = os_strstr(param, "freq=");
   6028 		if (pos) {
   6029 			freqs = freq_range_to_channel_list(wpa_s, pos + 5);
   6030 			if (freqs == NULL)
   6031 				return -1;
   6032 		}
   6033 
   6034 	}
   6035 
   6036 	return interworking_select(wpa_s, auto_sel, freqs);
   6037 }
   6038 
   6039 
   6040 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst,
   6041 				     int only_add)
   6042 {
   6043 	u8 bssid[ETH_ALEN];
   6044 	struct wpa_bss *bss;
   6045 
   6046 	if (hwaddr_aton(dst, bssid)) {
   6047 		wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
   6048 		return -1;
   6049 	}
   6050 
   6051 	bss = wpa_bss_get_bssid(wpa_s, bssid);
   6052 	if (bss == NULL) {
   6053 		wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
   6054 			   MAC2STR(bssid));
   6055 		return -1;
   6056 	}
   6057 
   6058 	if (bss->ssid_len == 0) {
   6059 		int found = 0;
   6060 
   6061 		wpa_printf(MSG_DEBUG, "Selected BSS entry for " MACSTR
   6062 			   " does not have SSID information", MAC2STR(bssid));
   6063 
   6064 		dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss,
   6065 					 list) {
   6066 			if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0 &&
   6067 			    bss->ssid_len > 0) {
   6068 				found = 1;
   6069 				break;
   6070 			}
   6071 		}
   6072 
   6073 		if (!found)
   6074 			return -1;
   6075 		wpa_printf(MSG_DEBUG,
   6076 			   "Found another matching BSS entry with SSID");
   6077 	}
   6078 
   6079 	return interworking_connect(wpa_s, bss, only_add);
   6080 }
   6081 
   6082 
   6083 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
   6084 {
   6085 	u8 dst_addr[ETH_ALEN];
   6086 	int used;
   6087 	char *pos;
   6088 #define MAX_ANQP_INFO_ID 100
   6089 	u16 id[MAX_ANQP_INFO_ID];
   6090 	size_t num_id = 0;
   6091 	u32 subtypes = 0;
   6092 
   6093 	used = hwaddr_aton2(dst, dst_addr);
   6094 	if (used < 0)
   6095 		return -1;
   6096 	pos = dst + used;
   6097 	if (*pos == ' ')
   6098 		pos++;
   6099 	while (num_id < MAX_ANQP_INFO_ID) {
   6100 		if (os_strncmp(pos, "hs20:", 5) == 0) {
   6101 #ifdef CONFIG_HS20
   6102 			int num = atoi(pos + 5);
   6103 			if (num <= 0 || num > 31)
   6104 				return -1;
   6105 			subtypes |= BIT(num);
   6106 #else /* CONFIG_HS20 */
   6107 			return -1;
   6108 #endif /* CONFIG_HS20 */
   6109 		} else {
   6110 			id[num_id] = atoi(pos);
   6111 			if (id[num_id])
   6112 				num_id++;
   6113 		}
   6114 		pos = os_strchr(pos + 1, ',');
   6115 		if (pos == NULL)
   6116 			break;
   6117 		pos++;
   6118 	}
   6119 
   6120 	if (num_id == 0)
   6121 		return -1;
   6122 
   6123 	return anqp_send_req(wpa_s, dst_addr, id, num_id, subtypes);
   6124 }
   6125 
   6126 
   6127 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
   6128 {
   6129 	u8 dst_addr[ETH_ALEN];
   6130 	struct wpabuf *advproto, *query = NULL;
   6131 	int used, ret = -1;
   6132 	char *pos, *end;
   6133 	size_t len;
   6134 
   6135 	used = hwaddr_aton2(cmd, dst_addr);
   6136 	if (used < 0)
   6137 		return -1;
   6138 
   6139 	pos = cmd + used;
   6140 	while (*pos == ' ')
   6141 		pos++;
   6142 
   6143 	/* Advertisement Protocol ID */
   6144 	end = os_strchr(pos, ' ');
   6145 	if (end)
   6146 		len = end - pos;
   6147 	else
   6148 		len = os_strlen(pos);
   6149 	if (len & 0x01)
   6150 		return -1;
   6151 	len /= 2;
   6152 	if (len == 0)
   6153 		return -1;
   6154 	advproto = wpabuf_alloc(len);
   6155 	if (advproto == NULL)
   6156 		return -1;
   6157 	if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
   6158 		goto fail;
   6159 
   6160 	if (end) {
   6161 		/* Optional Query Request */
   6162 		pos = end + 1;
   6163 		while (*pos == ' ')
   6164 			pos++;
   6165 
   6166 		len = os_strlen(pos);
   6167 		if (len) {
   6168 			if (len & 0x01)
   6169 				goto fail;
   6170 			len /= 2;
   6171 			if (len == 0)
   6172 				goto fail;
   6173 			query = wpabuf_alloc(len);
   6174 			if (query == NULL)
   6175 				goto fail;
   6176 			if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
   6177 				goto fail;
   6178 		}
   6179 	}
   6180 
   6181 	ret = gas_send_request(wpa_s, dst_addr, advproto, query);
   6182 
   6183 fail:
   6184 	wpabuf_free(advproto);
   6185 	wpabuf_free(query);
   6186 
   6187 	return ret;
   6188 }
   6189 
   6190 
   6191 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
   6192 			    size_t buflen)
   6193 {
   6194 	u8 addr[ETH_ALEN];
   6195 	int dialog_token;
   6196 	int used;
   6197 	char *pos;
   6198 	size_t resp_len, start, requested_len;
   6199 	struct wpabuf *resp;
   6200 	int ret;
   6201 
   6202 	used = hwaddr_aton2(cmd, addr);
   6203 	if (used < 0)
   6204 		return -1;
   6205 
   6206 	pos = cmd + used;
   6207 	while (*pos == ' ')
   6208 		pos++;
   6209 	dialog_token = atoi(pos);
   6210 
   6211 	if (wpa_s->last_gas_resp &&
   6212 	    os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) == 0 &&
   6213 	    dialog_token == wpa_s->last_gas_dialog_token)
   6214 		resp = wpa_s->last_gas_resp;
   6215 	else if (wpa_s->prev_gas_resp &&
   6216 		 os_memcmp(addr, wpa_s->prev_gas_addr, ETH_ALEN) == 0 &&
   6217 		 dialog_token == wpa_s->prev_gas_dialog_token)
   6218 		resp = wpa_s->prev_gas_resp;
   6219 	else
   6220 		return -1;
   6221 
   6222 	resp_len = wpabuf_len(resp);
   6223 	start = 0;
   6224 	requested_len = resp_len;
   6225 
   6226 	pos = os_strchr(pos, ' ');
   6227 	if (pos) {
   6228 		start = atoi(pos);
   6229 		if (start > resp_len)
   6230 			return os_snprintf(buf, buflen, "FAIL-Invalid range");
   6231 		pos = os_strchr(pos, ',');
   6232 		if (pos == NULL)
   6233 			return -1;
   6234 		pos++;
   6235 		requested_len = atoi(pos);
   6236 		if (start + requested_len > resp_len)
   6237 			return os_snprintf(buf, buflen, "FAIL-Invalid range");
   6238 	}
   6239 
   6240 	if (requested_len * 2 + 1 > buflen)
   6241 		return os_snprintf(buf, buflen, "FAIL-Too long response");
   6242 
   6243 	ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(resp) + start,
   6244 			       requested_len);
   6245 
   6246 	if (start + requested_len == resp_len) {
   6247 		/*
   6248 		 * Free memory by dropping the response after it has been
   6249 		 * fetched.
   6250 		 */
   6251 		if (resp == wpa_s->prev_gas_resp) {
   6252 			wpabuf_free(wpa_s->prev_gas_resp);
   6253 			wpa_s->prev_gas_resp = NULL;
   6254 		} else {
   6255 			wpabuf_free(wpa_s->last_gas_resp);
   6256 			wpa_s->last_gas_resp = NULL;
   6257 		}
   6258 	}
   6259 
   6260 	return ret;
   6261 }
   6262 #endif /* CONFIG_INTERWORKING */
   6263 
   6264 
   6265 #ifdef CONFIG_HS20
   6266 
   6267 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
   6268 {
   6269 	u8 dst_addr[ETH_ALEN];
   6270 	int used;
   6271 	char *pos;
   6272 	u32 subtypes = 0;
   6273 
   6274 	used = hwaddr_aton2(dst, dst_addr);
   6275 	if (used < 0)
   6276 		return -1;
   6277 	pos = dst + used;
   6278 	if (*pos == ' ')
   6279 		pos++;
   6280 	for (;;) {
   6281 		int num = atoi(pos);
   6282 		if (num <= 0 || num > 31)
   6283 			return -1;
   6284 		subtypes |= BIT(num);
   6285 		pos = os_strchr(pos + 1, ',');
   6286 		if (pos == NULL)
   6287 			break;
   6288 		pos++;
   6289 	}
   6290 
   6291 	if (subtypes == 0)
   6292 		return -1;
   6293 
   6294 	return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
   6295 }
   6296 
   6297 
   6298 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
   6299 				    const u8 *addr, const char *realm)
   6300 {
   6301 	u8 *buf;
   6302 	size_t rlen, len;
   6303 	int ret;
   6304 
   6305 	rlen = os_strlen(realm);
   6306 	len = 3 + rlen;
   6307 	buf = os_malloc(len);
   6308 	if (buf == NULL)
   6309 		return -1;
   6310 	buf[0] = 1; /* NAI Home Realm Count */
   6311 	buf[1] = 0; /* Formatted in accordance with RFC 4282 */
   6312 	buf[2] = rlen;
   6313 	os_memcpy(buf + 3, realm, rlen);
   6314 
   6315 	ret = hs20_anqp_send_req(wpa_s, addr,
   6316 				 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
   6317 				 buf, len);
   6318 
   6319 	os_free(buf);
   6320 
   6321 	return ret;
   6322 }
   6323 
   6324 
   6325 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
   6326 					char *dst)
   6327 {
   6328 	struct wpa_cred *cred = wpa_s->conf->cred;
   6329 	u8 dst_addr[ETH_ALEN];
   6330 	int used;
   6331 	u8 *buf;
   6332 	size_t len;
   6333 	int ret;
   6334 
   6335 	used = hwaddr_aton2(dst, dst_addr);
   6336 	if (used < 0)
   6337 		return -1;
   6338 
   6339 	while (dst[used] == ' ')
   6340 		used++;
   6341 	if (os_strncmp(dst + used, "realm=", 6) == 0)
   6342 		return hs20_nai_home_realm_list(wpa_s, dst_addr,
   6343 						dst + used + 6);
   6344 
   6345 	len = os_strlen(dst + used);
   6346 
   6347 	if (len == 0 && cred && cred->realm)
   6348 		return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
   6349 
   6350 	if (len & 1)
   6351 		return -1;
   6352 	len /= 2;
   6353 	buf = os_malloc(len);
   6354 	if (buf == NULL)
   6355 		return -1;
   6356 	if (hexstr2bin(dst + used, buf, len) < 0) {
   6357 		os_free(buf);
   6358 		return -1;
   6359 	}
   6360 
   6361 	ret = hs20_anqp_send_req(wpa_s, dst_addr,
   6362 				 BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
   6363 				 buf, len);
   6364 	os_free(buf);
   6365 
   6366 	return ret;
   6367 }
   6368 
   6369 
   6370 static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
   6371 {
   6372 	u8 dst_addr[ETH_ALEN];
   6373 	int used;
   6374 	char *icon;
   6375 
   6376 	used = hwaddr_aton2(cmd, dst_addr);
   6377 	if (used < 0)
   6378 		return -1;
   6379 
   6380 	while (cmd[used] == ' ')
   6381 		used++;
   6382 	icon = &cmd[used];
   6383 
   6384 	wpa_s->fetch_osu_icon_in_progress = 0;
   6385 	return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
   6386 				  (u8 *) icon, os_strlen(icon));
   6387 }
   6388 
   6389 #endif /* CONFIG_HS20 */
   6390 
   6391 
   6392 #ifdef CONFIG_AUTOSCAN
   6393 
   6394 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
   6395 					      char *cmd)
   6396 {
   6397 	enum wpa_states state = wpa_s->wpa_state;
   6398 	char *new_params = NULL;
   6399 
   6400 	if (os_strlen(cmd) > 0) {
   6401 		new_params = os_strdup(cmd);
   6402 		if (new_params == NULL)
   6403 			return -1;
   6404 	}
   6405 
   6406 	os_free(wpa_s->conf->autoscan);
   6407 	wpa_s->conf->autoscan = new_params;
   6408 
   6409 	if (wpa_s->conf->autoscan == NULL)
   6410 		autoscan_deinit(wpa_s);
   6411 	else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
   6412 		autoscan_init(wpa_s, 1);
   6413 	else if (state == WPA_SCANNING)
   6414 		wpa_supplicant_reinit_autoscan(wpa_s);
   6415 
   6416 	return 0;
   6417 }
   6418 
   6419 #endif /* CONFIG_AUTOSCAN */
   6420 
   6421 
   6422 #ifdef CONFIG_WNM
   6423 
   6424 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
   6425 {
   6426 	int enter;
   6427 	int intval = 0;
   6428 	char *pos;
   6429 	int ret;
   6430 	struct wpabuf *tfs_req = NULL;
   6431 
   6432 	if (os_strncmp(cmd, "enter", 5) == 0)
   6433 		enter = 1;
   6434 	else if (os_strncmp(cmd, "exit", 4) == 0)
   6435 		enter = 0;
   6436 	else
   6437 		return -1;
   6438 
   6439 	pos = os_strstr(cmd, " interval=");
   6440 	if (pos)
   6441 		intval = atoi(pos + 10);
   6442 
   6443 	pos = os_strstr(cmd, " tfs_req=");
   6444 	if (pos) {
   6445 		char *end;
   6446 		size_t len;
   6447 		pos += 9;
   6448 		end = os_strchr(pos, ' ');
   6449 		if (end)
   6450 			len = end - pos;
   6451 		else
   6452 			len = os_strlen(pos);
   6453 		if (len & 1)
   6454 			return -1;
   6455 		len /= 2;
   6456 		tfs_req = wpabuf_alloc(len);
   6457 		if (tfs_req == NULL)
   6458 			return -1;
   6459 		if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
   6460 			wpabuf_free(tfs_req);
   6461 			return -1;
   6462 		}
   6463 	}
   6464 
   6465 	ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
   6466 					   WNM_SLEEP_MODE_EXIT, intval,
   6467 					   tfs_req);
   6468 	wpabuf_free(tfs_req);
   6469 
   6470 	return ret;
   6471 }
   6472 
   6473 
   6474 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
   6475 {
   6476 	int query_reason;
   6477 
   6478 	query_reason = atoi(cmd);
   6479 
   6480 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
   6481 		   query_reason);
   6482 
   6483 	return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
   6484 }
   6485 
   6486 #endif /* CONFIG_WNM */
   6487 
   6488 
   6489 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
   6490 				      size_t buflen)
   6491 {
   6492 	struct wpa_signal_info si;
   6493 	int ret;
   6494 	char *pos, *end;
   6495 
   6496 	ret = wpa_drv_signal_poll(wpa_s, &si);
   6497 	if (ret)
   6498 		return -1;
   6499 
   6500 	pos = buf;
   6501 	end = buf + buflen;
   6502 
   6503 	ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
   6504 			  "NOISE=%d\nFREQUENCY=%u\n",
   6505 			  si.current_signal, si.current_txrate / 1000,
   6506 			  si.current_noise, si.frequency);
   6507 	if (os_snprintf_error(end - pos, ret))
   6508 		return -1;
   6509 	pos += ret;
   6510 
   6511 	if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
   6512 		ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
   6513 				  channel_width_to_string(si.chanwidth));
   6514 		if (os_snprintf_error(end - pos, ret))
   6515 			return -1;
   6516 		pos += ret;
   6517 	}
   6518 
   6519 	if (si.center_frq1 > 0 && si.center_frq2 > 0) {
   6520 		ret = os_snprintf(pos, end - pos,
   6521 				  "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
   6522 				  si.center_frq1, si.center_frq2);
   6523 		if (os_snprintf_error(end - pos, ret))
   6524 			return -1;
   6525 		pos += ret;
   6526 	}
   6527 
   6528 	if (si.avg_signal) {
   6529 		ret = os_snprintf(pos, end - pos,
   6530 				  "AVG_RSSI=%d\n", si.avg_signal);
   6531 		if (os_snprintf_error(end - pos, ret))
   6532 			return -1;
   6533 		pos += ret;
   6534 	}
   6535 
   6536 	if (si.avg_beacon_signal) {
   6537 		ret = os_snprintf(pos, end - pos,
   6538 				  "AVG_BEACON_RSSI=%d\n", si.avg_beacon_signal);
   6539 		if (os_snprintf_error(end - pos, ret))
   6540 			return -1;
   6541 		pos += ret;
   6542 	}
   6543 
   6544 	return pos - buf;
   6545 }
   6546 
   6547 
   6548 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
   6549 				      size_t buflen)
   6550 {
   6551 	struct hostap_sta_driver_data sta;
   6552 	int ret;
   6553 
   6554 	ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
   6555 	if (ret)
   6556 		return -1;
   6557 
   6558 	ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
   6559 			  sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
   6560 	if (os_snprintf_error(buflen, ret))
   6561 		return -1;
   6562 	return ret;
   6563 }
   6564 
   6565 
   6566 #ifdef ANDROID
   6567 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
   6568 				     char *buf, size_t buflen)
   6569 {
   6570 	int ret;
   6571 
   6572 	ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
   6573 	if (ret == 0) {
   6574 		if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
   6575 			struct p2p_data *p2p = wpa_s->global->p2p;
   6576 			if (p2p) {
   6577 				char country[3];
   6578 				country[0] = cmd[8];
   6579 				country[1] = cmd[9];
   6580 				country[2] = 0x04;
   6581 				p2p_set_country(p2p, country);
   6582 			}
   6583 		}
   6584 		ret = os_snprintf(buf, buflen, "%s\n", "OK");
   6585 		if (os_snprintf_error(buflen, ret))
   6586 			ret = -1;
   6587 	}
   6588 	return ret;
   6589 }
   6590 #endif /* ANDROID */
   6591 
   6592 
   6593 static int wpa_supplicant_vendor_cmd(struct wpa_supplicant *wpa_s, char *cmd,
   6594 				     char *buf, size_t buflen)
   6595 {
   6596 	int ret;
   6597 	char *pos;
   6598 	u8 *data = NULL;
   6599 	unsigned int vendor_id, subcmd;
   6600 	struct wpabuf *reply;
   6601 	size_t data_len = 0;
   6602 
   6603 	/* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
   6604 	vendor_id = strtoul(cmd, &pos, 16);
   6605 	if (!isblank(*pos))
   6606 		return -EINVAL;
   6607 
   6608 	subcmd = strtoul(pos, &pos, 10);
   6609 
   6610 	if (*pos != '\0') {
   6611 		if (!isblank(*pos++))
   6612 			return -EINVAL;
   6613 		data_len = os_strlen(pos);
   6614 	}
   6615 
   6616 	if (data_len) {
   6617 		data_len /= 2;
   6618 		data = os_malloc(data_len);
   6619 		if (!data)
   6620 			return -1;
   6621 
   6622 		if (hexstr2bin(pos, data, data_len)) {
   6623 			wpa_printf(MSG_DEBUG,
   6624 				   "Vendor command: wrong parameter format");
   6625 			os_free(data);
   6626 			return -EINVAL;
   6627 		}
   6628 	}
   6629 
   6630 	reply = wpabuf_alloc((buflen - 1) / 2);
   6631 	if (!reply) {
   6632 		os_free(data);
   6633 		return -1;
   6634 	}
   6635 
   6636 	ret = wpa_drv_vendor_cmd(wpa_s, vendor_id, subcmd, data, data_len,
   6637 				 reply);
   6638 
   6639 	if (ret == 0)
   6640 		ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
   6641 				       wpabuf_len(reply));
   6642 
   6643 	wpabuf_free(reply);
   6644 	os_free(data);
   6645 
   6646 	return ret;
   6647 }
   6648 
   6649 
   6650 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
   6651 {
   6652 #ifdef CONFIG_P2P
   6653 	struct wpa_supplicant *p2p_wpa_s = wpa_s->global->p2p_init_wpa_s ?
   6654 		wpa_s->global->p2p_init_wpa_s : wpa_s;
   6655 #endif /* CONFIG_P2P */
   6656 
   6657 	wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
   6658 
   6659 #ifdef CONFIG_P2P
   6660 	wpas_p2p_cancel(p2p_wpa_s);
   6661 	p2p_ctrl_flush(p2p_wpa_s);
   6662 	wpas_p2p_group_remove(p2p_wpa_s, "*");
   6663 	wpas_p2p_service_flush(p2p_wpa_s);
   6664 	p2p_wpa_s->global->p2p_disabled = 0;
   6665 	p2p_wpa_s->global->p2p_per_sta_psk = 0;
   6666 	p2p_wpa_s->conf->num_sec_device_types = 0;
   6667 	p2p_wpa_s->p2p_disable_ip_addr_req = 0;
   6668 	os_free(p2p_wpa_s->global->p2p_go_avoid_freq.range);
   6669 	p2p_wpa_s->global->p2p_go_avoid_freq.range = NULL;
   6670 	p2p_wpa_s->global->pending_p2ps_group = 0;
   6671 #endif /* CONFIG_P2P */
   6672 
   6673 #ifdef CONFIG_WPS_TESTING
   6674 	wps_version_number = 0x20;
   6675 	wps_testing_dummy_cred = 0;
   6676 	wps_corrupt_pkhash = 0;
   6677 #endif /* CONFIG_WPS_TESTING */
   6678 #ifdef CONFIG_WPS
   6679 	wpa_s->wps_fragment_size = 0;
   6680 	wpas_wps_cancel(wpa_s);
   6681 	wps_registrar_flush(wpa_s->wps->registrar);
   6682 #endif /* CONFIG_WPS */
   6683 	wpa_s->after_wps = 0;
   6684 	wpa_s->known_wps_freq = 0;
   6685 
   6686 #ifdef CONFIG_TDLS
   6687 #ifdef CONFIG_TDLS_TESTING
   6688 	extern unsigned int tdls_testing;
   6689 	tdls_testing = 0;
   6690 #endif /* CONFIG_TDLS_TESTING */
   6691 	wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
   6692 	wpa_tdls_enable(wpa_s->wpa, 1);
   6693 #endif /* CONFIG_TDLS */
   6694 
   6695 	eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
   6696 	wpa_supplicant_stop_countermeasures(wpa_s, NULL);
   6697 
   6698 	wpa_s->no_keep_alive = 0;
   6699 	wpa_s->own_disconnect_req = 0;
   6700 
   6701 	os_free(wpa_s->disallow_aps_bssid);
   6702 	wpa_s->disallow_aps_bssid = NULL;
   6703 	wpa_s->disallow_aps_bssid_count = 0;
   6704 	os_free(wpa_s->disallow_aps_ssid);
   6705 	wpa_s->disallow_aps_ssid = NULL;
   6706 	wpa_s->disallow_aps_ssid_count = 0;
   6707 
   6708 	wpa_s->set_sta_uapsd = 0;
   6709 	wpa_s->sta_uapsd = 0;
   6710 
   6711 	wpa_drv_radio_disable(wpa_s, 0);
   6712 	wpa_blacklist_clear(wpa_s);
   6713 	wpa_s->extra_blacklist_count = 0;
   6714 	wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
   6715 	wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
   6716 	wpa_config_flush_blobs(wpa_s->conf);
   6717 	wpa_s->conf->auto_interworking = 0;
   6718 	wpa_s->conf->okc = 0;
   6719 
   6720 	wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
   6721 	rsn_preauth_deinit(wpa_s->wpa);
   6722 
   6723 	wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME, 43200);
   6724 	wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD, 70);
   6725 	wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, 60);
   6726 	eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
   6727 
   6728 	radio_remove_works(wpa_s, NULL, 1);
   6729 	wpa_s->ext_work_in_progress = 0;
   6730 
   6731 	wpa_s->next_ssid = NULL;
   6732 
   6733 #ifdef CONFIG_INTERWORKING
   6734 	hs20_cancel_fetch_osu(wpa_s);
   6735 #endif /* CONFIG_INTERWORKING */
   6736 
   6737 	wpa_s->ext_mgmt_frame_handling = 0;
   6738 	wpa_s->ext_eapol_frame_io = 0;
   6739 #ifdef CONFIG_TESTING_OPTIONS
   6740 	wpa_s->extra_roc_dur = 0;
   6741 	wpa_s->test_failure = WPAS_TEST_FAILURE_NONE;
   6742 #endif /* CONFIG_TESTING_OPTIONS */
   6743 
   6744 	wpa_s->disconnected = 0;
   6745 	os_free(wpa_s->next_scan_freqs);
   6746 	wpa_s->next_scan_freqs = NULL;
   6747 
   6748 	wpa_bss_flush(wpa_s);
   6749 	if (!dl_list_empty(&wpa_s->bss)) {
   6750 		wpa_printf(MSG_DEBUG,
   6751 			   "BSS table not empty after flush: %u entries, current_bss=%p bssid="
   6752 			   MACSTR " pending_bssid=" MACSTR,
   6753 			   dl_list_len(&wpa_s->bss), wpa_s->current_bss,
   6754 			   MAC2STR(wpa_s->bssid),
   6755 			   MAC2STR(wpa_s->pending_bssid));
   6756 	}
   6757 
   6758 	eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
   6759 }
   6760 
   6761 
   6762 static int wpas_ctrl_radio_work_show(struct wpa_supplicant *wpa_s,
   6763 				     char *buf, size_t buflen)
   6764 {
   6765 	struct wpa_radio_work *work;
   6766 	char *pos, *end;
   6767 	struct os_reltime now, diff;
   6768 
   6769 	pos = buf;
   6770 	end = buf + buflen;
   6771 
   6772 	os_get_reltime(&now);
   6773 
   6774 	dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
   6775 	{
   6776 		int ret;
   6777 
   6778 		os_reltime_sub(&now, &work->time, &diff);
   6779 		ret = os_snprintf(pos, end - pos, "%s@%s:%u:%u:%ld.%06ld\n",
   6780 				  work->type, work->wpa_s->ifname, work->freq,
   6781 				  work->started, diff.sec, diff.usec);
   6782 		if (os_snprintf_error(end - pos, ret))
   6783 			break;
   6784 		pos += ret;
   6785 	}
   6786 
   6787 	return pos - buf;
   6788 }
   6789 
   6790 
   6791 static void wpas_ctrl_radio_work_timeout(void *eloop_ctx, void *timeout_ctx)
   6792 {
   6793 	struct wpa_radio_work *work = eloop_ctx;
   6794 	struct wpa_external_work *ework = work->ctx;
   6795 
   6796 	wpa_dbg(work->wpa_s, MSG_DEBUG,
   6797 		"Timing out external radio work %u (%s)",
   6798 		ework->id, work->type);
   6799 	wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_TIMEOUT "%u", ework->id);
   6800 	work->wpa_s->ext_work_in_progress = 0;
   6801 	radio_work_done(work);
   6802 	os_free(ework);
   6803 }
   6804 
   6805 
   6806 static void wpas_ctrl_radio_work_cb(struct wpa_radio_work *work, int deinit)
   6807 {
   6808 	struct wpa_external_work *ework = work->ctx;
   6809 
   6810 	if (deinit) {
   6811 		if (work->started)
   6812 			eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
   6813 					     work, NULL);
   6814 
   6815 		os_free(ework);
   6816 		return;
   6817 	}
   6818 
   6819 	wpa_dbg(work->wpa_s, MSG_DEBUG, "Starting external radio work %u (%s)",
   6820 		ework->id, ework->type);
   6821 	wpa_msg(work->wpa_s, MSG_INFO, EXT_RADIO_WORK_START "%u", ework->id);
   6822 	work->wpa_s->ext_work_in_progress = 1;
   6823 	if (!ework->timeout)
   6824 		ework->timeout = 10;
   6825 	eloop_register_timeout(ework->timeout, 0, wpas_ctrl_radio_work_timeout,
   6826 			       work, NULL);
   6827 }
   6828 
   6829 
   6830 static int wpas_ctrl_radio_work_add(struct wpa_supplicant *wpa_s, char *cmd,
   6831 				    char *buf, size_t buflen)
   6832 {
   6833 	struct wpa_external_work *ework;
   6834 	char *pos, *pos2;
   6835 	size_t type_len;
   6836 	int ret;
   6837 	unsigned int freq = 0;
   6838 
   6839 	/* format: <name> [freq=<MHz>] [timeout=<seconds>] */
   6840 
   6841 	ework = os_zalloc(sizeof(*ework));
   6842 	if (ework == NULL)
   6843 		return -1;
   6844 
   6845 	pos = os_strchr(cmd, ' ');
   6846 	if (pos) {
   6847 		type_len = pos - cmd;
   6848 		pos++;
   6849 
   6850 		pos2 = os_strstr(pos, "freq=");
   6851 		if (pos2)
   6852 			freq = atoi(pos2 + 5);
   6853 
   6854 		pos2 = os_strstr(pos, "timeout=");
   6855 		if (pos2)
   6856 			ework->timeout = atoi(pos2 + 8);
   6857 	} else {
   6858 		type_len = os_strlen(cmd);
   6859 	}
   6860 	if (4 + type_len >= sizeof(ework->type))
   6861 		type_len = sizeof(ework->type) - 4 - 1;
   6862 	os_strlcpy(ework->type, "ext:", sizeof(ework->type));
   6863 	os_memcpy(ework->type + 4, cmd, type_len);
   6864 	ework->type[4 + type_len] = '\0';
   6865 
   6866 	wpa_s->ext_work_id++;
   6867 	if (wpa_s->ext_work_id == 0)
   6868 		wpa_s->ext_work_id++;
   6869 	ework->id = wpa_s->ext_work_id;
   6870 
   6871 	if (radio_add_work(wpa_s, freq, ework->type, 0, wpas_ctrl_radio_work_cb,
   6872 			   ework) < 0) {
   6873 		os_free(ework);
   6874 		return -1;
   6875 	}
   6876 
   6877 	ret = os_snprintf(buf, buflen, "%u", ework->id);
   6878 	if (os_snprintf_error(buflen, ret))
   6879 		return -1;
   6880 	return ret;
   6881 }
   6882 
   6883 
   6884 static int wpas_ctrl_radio_work_done(struct wpa_supplicant *wpa_s, char *cmd)
   6885 {
   6886 	struct wpa_radio_work *work;
   6887 	unsigned int id = atoi(cmd);
   6888 
   6889 	dl_list_for_each(work, &wpa_s->radio->work, struct wpa_radio_work, list)
   6890 	{
   6891 		struct wpa_external_work *ework;
   6892 
   6893 		if (os_strncmp(work->type, "ext:", 4) != 0)
   6894 			continue;
   6895 		ework = work->ctx;
   6896 		if (id && ework->id != id)
   6897 			continue;
   6898 		wpa_dbg(wpa_s, MSG_DEBUG,
   6899 			"Completed external radio work %u (%s)",
   6900 			ework->id, ework->type);
   6901 		eloop_cancel_timeout(wpas_ctrl_radio_work_timeout, work, NULL);
   6902 		wpa_s->ext_work_in_progress = 0;
   6903 		radio_work_done(work);
   6904 		os_free(ework);
   6905 		return 3; /* "OK\n" */
   6906 	}
   6907 
   6908 	return -1;
   6909 }
   6910 
   6911 
   6912 static int wpas_ctrl_radio_work(struct wpa_supplicant *wpa_s, char *cmd,
   6913 				char *buf, size_t buflen)
   6914 {
   6915 	if (os_strcmp(cmd, "show") == 0)
   6916 		return wpas_ctrl_radio_work_show(wpa_s, buf, buflen);
   6917 	if (os_strncmp(cmd, "add ", 4) == 0)
   6918 		return wpas_ctrl_radio_work_add(wpa_s, cmd + 4, buf, buflen);
   6919 	if (os_strncmp(cmd, "done ", 5) == 0)
   6920 		return wpas_ctrl_radio_work_done(wpa_s, cmd + 4);
   6921 	return -1;
   6922 }
   6923 
   6924 
   6925 void wpas_ctrl_radio_work_flush(struct wpa_supplicant *wpa_s)
   6926 {
   6927 	struct wpa_radio_work *work, *tmp;
   6928 
   6929 	if (!wpa_s || !wpa_s->radio)
   6930 		return;
   6931 
   6932 	dl_list_for_each_safe(work, tmp, &wpa_s->radio->work,
   6933 			      struct wpa_radio_work, list) {
   6934 		struct wpa_external_work *ework;
   6935 
   6936 		if (os_strncmp(work->type, "ext:", 4) != 0)
   6937 			continue;
   6938 		ework = work->ctx;
   6939 		wpa_dbg(wpa_s, MSG_DEBUG,
   6940 			"Flushing%s external radio work %u (%s)",
   6941 			work->started ? " started" : "", ework->id,
   6942 			ework->type);
   6943 		if (work->started)
   6944 			eloop_cancel_timeout(wpas_ctrl_radio_work_timeout,
   6945 					     work, NULL);
   6946 		radio_work_done(work);
   6947 		os_free(ework);
   6948 	}
   6949 }
   6950 
   6951 
   6952 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
   6953 {
   6954 	struct wpa_supplicant *wpa_s = eloop_ctx;
   6955 	eapol_sm_notify_ctrl_response(wpa_s->eapol);
   6956 }
   6957 
   6958 
   6959 static int scan_id_list_parse(struct wpa_supplicant *wpa_s, const char *value,
   6960 			      unsigned int *scan_id_count, int scan_id[])
   6961 {
   6962 	const char *pos = value;
   6963 
   6964 	while (pos) {
   6965 		if (*pos == ' ' || *pos == '\0')
   6966 			break;
   6967 		if (*scan_id_count == MAX_SCAN_ID)
   6968 			return -1;
   6969 		scan_id[(*scan_id_count)++] = atoi(pos);
   6970 		pos = os_strchr(pos, ',');
   6971 		if (pos)
   6972 			pos++;
   6973 	}
   6974 
   6975 	return 0;
   6976 }
   6977 
   6978 
   6979 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
   6980 			   char *reply, int reply_size, int *reply_len)
   6981 {
   6982 	char *pos;
   6983 	unsigned int manual_scan_passive = 0;
   6984 	unsigned int manual_scan_use_id = 0;
   6985 	unsigned int manual_scan_only_new = 0;
   6986 	unsigned int scan_only = 0;
   6987 	unsigned int scan_id_count = 0;
   6988 	int scan_id[MAX_SCAN_ID];
   6989 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
   6990 				 struct wpa_scan_results *scan_res);
   6991 	int *manual_scan_freqs = NULL;
   6992 	struct wpa_ssid_value *ssid = NULL, *ns;
   6993 	unsigned int ssid_count = 0;
   6994 
   6995 	if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
   6996 		*reply_len = -1;
   6997 		return;
   6998 	}
   6999 
   7000 	if (radio_work_pending(wpa_s, "scan")) {
   7001 		wpa_printf(MSG_DEBUG,
   7002 			   "Pending scan scheduled - reject new request");
   7003 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
   7004 		return;
   7005 	}
   7006 
   7007 #ifdef CONFIG_INTERWORKING
   7008 	if (wpa_s->fetch_anqp_in_progress || wpa_s->network_select) {
   7009 		wpa_printf(MSG_DEBUG,
   7010 			   "Interworking select in progress - reject new scan");
   7011 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
   7012 		return;
   7013 	}
   7014 #endif /* CONFIG_INTERWORKING */
   7015 
   7016 	if (params) {
   7017 		if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
   7018 			scan_only = 1;
   7019 
   7020 		pos = os_strstr(params, "freq=");
   7021 		if (pos) {
   7022 			manual_scan_freqs = freq_range_to_channel_list(wpa_s,
   7023 								       pos + 5);
   7024 			if (manual_scan_freqs == NULL) {
   7025 				*reply_len = -1;
   7026 				goto done;
   7027 			}
   7028 		}
   7029 
   7030 		pos = os_strstr(params, "passive=");
   7031 		if (pos)
   7032 			manual_scan_passive = !!atoi(pos + 8);
   7033 
   7034 		pos = os_strstr(params, "use_id=");
   7035 		if (pos)
   7036 			manual_scan_use_id = atoi(pos + 7);
   7037 
   7038 		pos = os_strstr(params, "only_new=1");
   7039 		if (pos)
   7040 			manual_scan_only_new = 1;
   7041 
   7042 		pos = os_strstr(params, "scan_id=");
   7043 		if (pos && scan_id_list_parse(wpa_s, pos + 8, &scan_id_count,
   7044 					      scan_id) < 0) {
   7045 			*reply_len = -1;
   7046 			goto done;
   7047 		}
   7048 
   7049 		pos = params;
   7050 		while (pos && *pos != '\0') {
   7051 			if (os_strncmp(pos, "ssid ", 5) == 0) {
   7052 				char *end;
   7053 
   7054 				pos += 5;
   7055 				end = pos;
   7056 				while (*end) {
   7057 					if (*end == '\0' || *end == ' ')
   7058 						break;
   7059 					end++;
   7060 				}
   7061 
   7062 				ns = os_realloc_array(
   7063 					ssid, ssid_count + 1,
   7064 					sizeof(struct wpa_ssid_value));
   7065 				if (ns == NULL) {
   7066 					*reply_len = -1;
   7067 					goto done;
   7068 				}
   7069 				ssid = ns;
   7070 
   7071 				if ((end - pos) & 0x01 ||
   7072 				    end - pos > 2 * SSID_MAX_LEN ||
   7073 				    hexstr2bin(pos, ssid[ssid_count].ssid,
   7074 					       (end - pos) / 2) < 0) {
   7075 					wpa_printf(MSG_DEBUG,
   7076 						   "Invalid SSID value '%s'",
   7077 						   pos);
   7078 					*reply_len = -1;
   7079 					goto done;
   7080 				}
   7081 				ssid[ssid_count].ssid_len = (end - pos) / 2;
   7082 				wpa_hexdump_ascii(MSG_DEBUG, "scan SSID",
   7083 						  ssid[ssid_count].ssid,
   7084 						  ssid[ssid_count].ssid_len);
   7085 				ssid_count++;
   7086 				pos = end;
   7087 			}
   7088 
   7089 			pos = os_strchr(pos, ' ');
   7090 			if (pos)
   7091 				pos++;
   7092 		}
   7093 	}
   7094 
   7095 	wpa_s->num_ssids_from_scan_req = ssid_count;
   7096 	os_free(wpa_s->ssids_from_scan_req);
   7097 	if (ssid_count) {
   7098 		wpa_s->ssids_from_scan_req = ssid;
   7099 		ssid = NULL;
   7100 	} else {
   7101 		wpa_s->ssids_from_scan_req = NULL;
   7102 	}
   7103 
   7104 	if (scan_only)
   7105 		scan_res_handler = scan_only_handler;
   7106 	else if (wpa_s->scan_res_handler == scan_only_handler)
   7107 		scan_res_handler = NULL;
   7108 	else
   7109 		scan_res_handler = wpa_s->scan_res_handler;
   7110 
   7111 	if (!wpa_s->sched_scanning && !wpa_s->scanning &&
   7112 	    ((wpa_s->wpa_state <= WPA_SCANNING) ||
   7113 	     (wpa_s->wpa_state == WPA_COMPLETED))) {
   7114 		wpa_s->manual_scan_passive = manual_scan_passive;
   7115 		wpa_s->manual_scan_use_id = manual_scan_use_id;
   7116 		wpa_s->manual_scan_only_new = manual_scan_only_new;
   7117 		wpa_s->scan_id_count = scan_id_count;
   7118 		os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
   7119 		wpa_s->scan_res_handler = scan_res_handler;
   7120 		os_free(wpa_s->manual_scan_freqs);
   7121 		wpa_s->manual_scan_freqs = manual_scan_freqs;
   7122 		manual_scan_freqs = NULL;
   7123 
   7124 		wpa_s->normal_scans = 0;
   7125 		wpa_s->scan_req = MANUAL_SCAN_REQ;
   7126 		wpa_s->after_wps = 0;
   7127 		wpa_s->known_wps_freq = 0;
   7128 		wpa_supplicant_req_scan(wpa_s, 0, 0);
   7129 		if (wpa_s->manual_scan_use_id) {
   7130 			wpa_s->manual_scan_id++;
   7131 			wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
   7132 				wpa_s->manual_scan_id);
   7133 			*reply_len = os_snprintf(reply, reply_size, "%u\n",
   7134 						 wpa_s->manual_scan_id);
   7135 		}
   7136 	} else if (wpa_s->sched_scanning) {
   7137 		wpa_s->manual_scan_passive = manual_scan_passive;
   7138 		wpa_s->manual_scan_use_id = manual_scan_use_id;
   7139 		wpa_s->manual_scan_only_new = manual_scan_only_new;
   7140 		wpa_s->scan_id_count = scan_id_count;
   7141 		os_memcpy(wpa_s->scan_id, scan_id, scan_id_count * sizeof(int));
   7142 		wpa_s->scan_res_handler = scan_res_handler;
   7143 		os_free(wpa_s->manual_scan_freqs);
   7144 		wpa_s->manual_scan_freqs = manual_scan_freqs;
   7145 		manual_scan_freqs = NULL;
   7146 
   7147 		wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
   7148 		wpa_supplicant_cancel_sched_scan(wpa_s);
   7149 		wpa_s->scan_req = MANUAL_SCAN_REQ;
   7150 		wpa_supplicant_req_scan(wpa_s, 0, 0);
   7151 		if (wpa_s->manual_scan_use_id) {
   7152 			wpa_s->manual_scan_id++;
   7153 			*reply_len = os_snprintf(reply, reply_size, "%u\n",
   7154 						 wpa_s->manual_scan_id);
   7155 			wpa_dbg(wpa_s, MSG_DEBUG, "Assigned scan id %u",
   7156 				wpa_s->manual_scan_id);
   7157 		}
   7158 	} else {
   7159 		wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
   7160 		*reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
   7161 	}
   7162 
   7163 done:
   7164 	os_free(manual_scan_freqs);
   7165 	os_free(ssid);
   7166 }
   7167 
   7168 
   7169 #ifdef CONFIG_TESTING_OPTIONS
   7170 
   7171 static void wpas_ctrl_iface_mgmt_tx_cb(struct wpa_supplicant *wpa_s,
   7172 				       unsigned int freq, const u8 *dst,
   7173 				       const u8 *src, const u8 *bssid,
   7174 				       const u8 *data, size_t data_len,
   7175 				       enum offchannel_send_action_result
   7176 				       result)
   7177 {
   7178 	wpa_msg(wpa_s, MSG_INFO, "MGMT-TX-STATUS freq=%u dst=" MACSTR
   7179 		" src=" MACSTR " bssid=" MACSTR " result=%s",
   7180 		freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid),
   7181 		result == OFFCHANNEL_SEND_ACTION_SUCCESS ?
   7182 		"SUCCESS" : (result == OFFCHANNEL_SEND_ACTION_NO_ACK ?
   7183 			     "NO_ACK" : "FAILED"));
   7184 }
   7185 
   7186 
   7187 static int wpas_ctrl_iface_mgmt_tx(struct wpa_supplicant *wpa_s, char *cmd)
   7188 {
   7189 	char *pos, *param;
   7190 	size_t len;
   7191 	u8 *buf, da[ETH_ALEN], bssid[ETH_ALEN];
   7192 	int res, used;
   7193 	int freq = 0, no_cck = 0, wait_time = 0;
   7194 
   7195 	/* <DA> <BSSID> [freq=<MHz>] [wait_time=<ms>] [no_cck=1]
   7196 	 *    <action=Action frame payload> */
   7197 
   7198 	wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
   7199 
   7200 	pos = cmd;
   7201 	used = hwaddr_aton2(pos, da);
   7202 	if (used < 0)
   7203 		return -1;
   7204 	pos += used;
   7205 	while (*pos == ' ')
   7206 		pos++;
   7207 	used = hwaddr_aton2(pos, bssid);
   7208 	if (used < 0)
   7209 		return -1;
   7210 	pos += used;
   7211 
   7212 	param = os_strstr(pos, " freq=");
   7213 	if (param) {
   7214 		param += 6;
   7215 		freq = atoi(param);
   7216 	}
   7217 
   7218 	param = os_strstr(pos, " no_cck=");
   7219 	if (param) {
   7220 		param += 8;
   7221 		no_cck = atoi(param);
   7222 	}
   7223 
   7224 	param = os_strstr(pos, " wait_time=");
   7225 	if (param) {
   7226 		param += 11;
   7227 		wait_time = atoi(param);
   7228 	}
   7229 
   7230 	param = os_strstr(pos, " action=");
   7231 	if (param == NULL)
   7232 		return -1;
   7233 	param += 8;
   7234 
   7235 	len = os_strlen(param);
   7236 	if (len & 1)
   7237 		return -1;
   7238 	len /= 2;
   7239 
   7240 	buf = os_malloc(len);
   7241 	if (buf == NULL)
   7242 		return -1;
   7243 
   7244 	if (hexstr2bin(param, buf, len) < 0) {
   7245 		os_free(buf);
   7246 		return -1;
   7247 	}
   7248 
   7249 	res = offchannel_send_action(wpa_s, freq, da, wpa_s->own_addr, bssid,
   7250 				     buf, len, wait_time,
   7251 				     wpas_ctrl_iface_mgmt_tx_cb, no_cck);
   7252 	os_free(buf);
   7253 	return res;
   7254 }
   7255 
   7256 
   7257 static void wpas_ctrl_iface_mgmt_tx_done(struct wpa_supplicant *wpa_s)
   7258 {
   7259 	wpa_printf(MSG_DEBUG, "External MGMT TX - done waiting");
   7260 	offchannel_send_action_done(wpa_s);
   7261 }
   7262 
   7263 
   7264 static int wpas_ctrl_iface_driver_event(struct wpa_supplicant *wpa_s, char *cmd)
   7265 {
   7266 	char *pos, *param;
   7267 	union wpa_event_data event;
   7268 	enum wpa_event_type ev;
   7269 
   7270 	/* <event name> [parameters..] */
   7271 
   7272 	wpa_dbg(wpa_s, MSG_DEBUG, "Testing - external driver event: %s", cmd);
   7273 
   7274 	pos = cmd;
   7275 	param = os_strchr(pos, ' ');
   7276 	if (param)
   7277 		*param++ = '\0';
   7278 
   7279 	os_memset(&event, 0, sizeof(event));
   7280 
   7281 	if (os_strcmp(cmd, "INTERFACE_ENABLED") == 0) {
   7282 		ev = EVENT_INTERFACE_ENABLED;
   7283 	} else if (os_strcmp(cmd, "INTERFACE_DISABLED") == 0) {
   7284 		ev = EVENT_INTERFACE_DISABLED;
   7285 	} else if (os_strcmp(cmd, "AVOID_FREQUENCIES") == 0) {
   7286 		ev = EVENT_AVOID_FREQUENCIES;
   7287 		if (param == NULL)
   7288 			param = "";
   7289 		if (freq_range_list_parse(&event.freq_range, param) < 0)
   7290 			return -1;
   7291 		wpa_supplicant_event(wpa_s, ev, &event);
   7292 		os_free(event.freq_range.range);
   7293 		return 0;
   7294 	} else {
   7295 		wpa_dbg(wpa_s, MSG_DEBUG, "Testing - unknown driver event: %s",
   7296 			cmd);
   7297 		return -1;
   7298 	}
   7299 
   7300 	wpa_supplicant_event(wpa_s, ev, &event);
   7301 
   7302 	return 0;
   7303 }
   7304 
   7305 
   7306 static int wpas_ctrl_iface_eapol_rx(struct wpa_supplicant *wpa_s, char *cmd)
   7307 {
   7308 	char *pos;
   7309 	u8 src[ETH_ALEN], *buf;
   7310 	int used;
   7311 	size_t len;
   7312 
   7313 	wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
   7314 
   7315 	pos = cmd;
   7316 	used = hwaddr_aton2(pos, src);
   7317 	if (used < 0)
   7318 		return -1;
   7319 	pos += used;
   7320 	while (*pos == ' ')
   7321 		pos++;
   7322 
   7323 	len = os_strlen(pos);
   7324 	if (len & 1)
   7325 		return -1;
   7326 	len /= 2;
   7327 
   7328 	buf = os_malloc(len);
   7329 	if (buf == NULL)
   7330 		return -1;
   7331 
   7332 	if (hexstr2bin(pos, buf, len) < 0) {
   7333 		os_free(buf);
   7334 		return -1;
   7335 	}
   7336 
   7337 	wpa_supplicant_rx_eapol(wpa_s, src, buf, len);
   7338 	os_free(buf);
   7339 
   7340 	return 0;
   7341 }
   7342 
   7343 
   7344 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
   7345 {
   7346 	size_t i;
   7347 	u32 sum = 0;
   7348 	const u16 *pos = buf;
   7349 
   7350 	for (i = 0; i < len / 2; i++)
   7351 		sum += *pos++;
   7352 
   7353 	while (sum >> 16)
   7354 		sum = (sum & 0xffff) + (sum >> 16);
   7355 
   7356 	return sum ^ 0xffff;
   7357 }
   7358 
   7359 
   7360 #define HWSIM_PACKETLEN 1500
   7361 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
   7362 
   7363 void wpas_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
   7364 {
   7365 	struct wpa_supplicant *wpa_s = ctx;
   7366 	const struct ether_header *eth;
   7367 	const struct iphdr *ip;
   7368 	const u8 *pos;
   7369 	unsigned int i;
   7370 
   7371 	if (len != HWSIM_PACKETLEN)
   7372 		return;
   7373 
   7374 	eth = (const struct ether_header *) buf;
   7375 	ip = (const struct iphdr *) (eth + 1);
   7376 	pos = (const u8 *) (ip + 1);
   7377 
   7378 	if (ip->ihl != 5 || ip->version != 4 ||
   7379 	    ntohs(ip->tot_len) != HWSIM_IP_LEN)
   7380 		return;
   7381 
   7382 	for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
   7383 		if (*pos != (u8) i)
   7384 			return;
   7385 		pos++;
   7386 	}
   7387 
   7388 	wpa_msg(wpa_s, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
   7389 		MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
   7390 }
   7391 
   7392 
   7393 static int wpas_ctrl_iface_data_test_config(struct wpa_supplicant *wpa_s,
   7394 					    char *cmd)
   7395 {
   7396 	int enabled = atoi(cmd);
   7397 
   7398 	if (!enabled) {
   7399 		if (wpa_s->l2_test) {
   7400 			l2_packet_deinit(wpa_s->l2_test);
   7401 			wpa_s->l2_test = NULL;
   7402 			wpa_dbg(wpa_s, MSG_DEBUG, "test data: Disabled");
   7403 		}
   7404 		return 0;
   7405 	}
   7406 
   7407 	if (wpa_s->l2_test)
   7408 		return 0;
   7409 
   7410 	wpa_s->l2_test = l2_packet_init(wpa_s->ifname, wpa_s->own_addr,
   7411 					ETHERTYPE_IP, wpas_data_test_rx,
   7412 					wpa_s, 1);
   7413 	if (wpa_s->l2_test == NULL)
   7414 		return -1;
   7415 
   7416 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: Enabled");
   7417 
   7418 	return 0;
   7419 }
   7420 
   7421 
   7422 static int wpas_ctrl_iface_data_test_tx(struct wpa_supplicant *wpa_s, char *cmd)
   7423 {
   7424 	u8 dst[ETH_ALEN], src[ETH_ALEN];
   7425 	char *pos;
   7426 	int used;
   7427 	long int val;
   7428 	u8 tos;
   7429 	u8 buf[HWSIM_PACKETLEN];
   7430 	struct ether_header *eth;
   7431 	struct iphdr *ip;
   7432 	u8 *dpos;
   7433 	unsigned int i;
   7434 
   7435 	if (wpa_s->l2_test == NULL)
   7436 		return -1;
   7437 
   7438 	/* format: <dst> <src> <tos> */
   7439 
   7440 	pos = cmd;
   7441 	used = hwaddr_aton2(pos, dst);
   7442 	if (used < 0)
   7443 		return -1;
   7444 	pos += used;
   7445 	while (*pos == ' ')
   7446 		pos++;
   7447 	used = hwaddr_aton2(pos, src);
   7448 	if (used < 0)
   7449 		return -1;
   7450 	pos += used;
   7451 
   7452 	val = strtol(pos, NULL, 0);
   7453 	if (val < 0 || val > 0xff)
   7454 		return -1;
   7455 	tos = val;
   7456 
   7457 	eth = (struct ether_header *) buf;
   7458 	os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
   7459 	os_memcpy(eth->ether_shost, src, ETH_ALEN);
   7460 	eth->ether_type = htons(ETHERTYPE_IP);
   7461 	ip = (struct iphdr *) (eth + 1);
   7462 	os_memset(ip, 0, sizeof(*ip));
   7463 	ip->ihl = 5;
   7464 	ip->version = 4;
   7465 	ip->ttl = 64;
   7466 	ip->tos = tos;
   7467 	ip->tot_len = htons(HWSIM_IP_LEN);
   7468 	ip->protocol = 1;
   7469 	ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
   7470 	ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
   7471 	ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
   7472 	dpos = (u8 *) (ip + 1);
   7473 	for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
   7474 		*dpos++ = i;
   7475 
   7476 	if (l2_packet_send(wpa_s->l2_test, dst, ETHERTYPE_IP, buf,
   7477 			   HWSIM_PACKETLEN) < 0)
   7478 		return -1;
   7479 
   7480 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX dst=" MACSTR " src=" MACSTR
   7481 		" tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
   7482 
   7483 	return 0;
   7484 }
   7485 
   7486 
   7487 static int wpas_ctrl_iface_data_test_frame(struct wpa_supplicant *wpa_s,
   7488 					   char *cmd)
   7489 {
   7490 	u8 *buf;
   7491 	struct ether_header *eth;
   7492 	struct l2_packet_data *l2 = NULL;
   7493 	size_t len;
   7494 	u16 ethertype;
   7495 	int res = -1;
   7496 
   7497 	len = os_strlen(cmd);
   7498 	if (len & 1 || len < ETH_HLEN * 2)
   7499 		return -1;
   7500 	len /= 2;
   7501 
   7502 	buf = os_malloc(len);
   7503 	if (buf == NULL)
   7504 		return -1;
   7505 
   7506 	if (hexstr2bin(cmd, buf, len) < 0)
   7507 		goto done;
   7508 
   7509 	eth = (struct ether_header *) buf;
   7510 	ethertype = ntohs(eth->ether_type);
   7511 
   7512 	l2 = l2_packet_init(wpa_s->ifname, wpa_s->own_addr, ethertype,
   7513 			    wpas_data_test_rx, wpa_s, 1);
   7514 	if (l2 == NULL)
   7515 		goto done;
   7516 
   7517 	res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
   7518 	wpa_dbg(wpa_s, MSG_DEBUG, "test data: TX frame res=%d", res);
   7519 done:
   7520 	if (l2)
   7521 		l2_packet_deinit(l2);
   7522 	os_free(buf);
   7523 
   7524 	return res < 0 ? -1 : 0;
   7525 }
   7526 
   7527 
   7528 static int wpas_ctrl_test_alloc_fail(struct wpa_supplicant *wpa_s, char *cmd)
   7529 {
   7530 #ifdef WPA_TRACE_BFD
   7531 	extern char wpa_trace_fail_func[256];
   7532 	extern unsigned int wpa_trace_fail_after;
   7533 	char *pos;
   7534 
   7535 	wpa_trace_fail_after = atoi(cmd);
   7536 	pos = os_strchr(cmd, ':');
   7537 	if (pos) {
   7538 		pos++;
   7539 		os_strlcpy(wpa_trace_fail_func, pos,
   7540 			   sizeof(wpa_trace_fail_func));
   7541 	} else {
   7542 		wpa_trace_fail_after = 0;
   7543 	}
   7544 	return 0;
   7545 #else /* WPA_TRACE_BFD */
   7546 	return -1;
   7547 #endif /* WPA_TRACE_BFD */
   7548 }
   7549 
   7550 
   7551 static int wpas_ctrl_get_alloc_fail(struct wpa_supplicant *wpa_s,
   7552 				    char *buf, size_t buflen)
   7553 {
   7554 #ifdef WPA_TRACE_BFD
   7555 	extern char wpa_trace_fail_func[256];
   7556 	extern unsigned int wpa_trace_fail_after;
   7557 
   7558 	return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
   7559 			   wpa_trace_fail_func);
   7560 #else /* WPA_TRACE_BFD */
   7561 	return -1;
   7562 #endif /* WPA_TRACE_BFD */
   7563 }
   7564 
   7565 #endif /* CONFIG_TESTING_OPTIONS */
   7566 
   7567 
   7568 static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
   7569 {
   7570 	unsigned int i;
   7571 	char buf[30];
   7572 
   7573 	wpa_printf(MSG_DEBUG, "Update vendor elements");
   7574 
   7575 	for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
   7576 		if (wpa_s->vendor_elem[i]) {
   7577 			int res;
   7578 
   7579 			res = os_snprintf(buf, sizeof(buf), "frame[%u]", i);
   7580 			if (!os_snprintf_error(sizeof(buf), res)) {
   7581 				wpa_hexdump_buf(MSG_DEBUG, buf,
   7582 						wpa_s->vendor_elem[i]);
   7583 			}
   7584 		}
   7585 	}
   7586 
   7587 #ifdef CONFIG_P2P
   7588 	if (wpa_s->parent == wpa_s &&
   7589 	    wpa_s->global->p2p &&
   7590 	    !wpa_s->global->p2p_disabled)
   7591 		p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
   7592 #endif /* CONFIG_P2P */
   7593 }
   7594 
   7595 
   7596 static struct wpa_supplicant *
   7597 wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
   7598 			    enum wpa_vendor_elem_frame frame)
   7599 {
   7600 	switch (frame) {
   7601 #ifdef CONFIG_P2P
   7602 	case VENDOR_ELEM_PROBE_REQ_P2P:
   7603 	case VENDOR_ELEM_PROBE_RESP_P2P:
   7604 	case VENDOR_ELEM_PROBE_RESP_P2P_GO:
   7605 	case VENDOR_ELEM_BEACON_P2P_GO:
   7606 	case VENDOR_ELEM_P2P_PD_REQ:
   7607 	case VENDOR_ELEM_P2P_PD_RESP:
   7608 	case VENDOR_ELEM_P2P_GO_NEG_REQ:
   7609 	case VENDOR_ELEM_P2P_GO_NEG_RESP:
   7610 	case VENDOR_ELEM_P2P_GO_NEG_CONF:
   7611 	case VENDOR_ELEM_P2P_INV_REQ:
   7612 	case VENDOR_ELEM_P2P_INV_RESP:
   7613 	case VENDOR_ELEM_P2P_ASSOC_REQ:
   7614 		return wpa_s->parent;
   7615 #endif /* CONFIG_P2P */
   7616 	default:
   7617 		return wpa_s;
   7618 	}
   7619 }
   7620 
   7621 
   7622 static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
   7623 {
   7624 	char *pos = cmd;
   7625 	int frame;
   7626 	size_t len;
   7627 	struct wpabuf *buf;
   7628 	struct ieee802_11_elems elems;
   7629 
   7630 	frame = atoi(pos);
   7631 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
   7632 		return -1;
   7633 	wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
   7634 
   7635 	pos = os_strchr(pos, ' ');
   7636 	if (pos == NULL)
   7637 		return -1;
   7638 	pos++;
   7639 
   7640 	len = os_strlen(pos);
   7641 	if (len == 0)
   7642 		return 0;
   7643 	if (len & 1)
   7644 		return -1;
   7645 	len /= 2;
   7646 
   7647 	buf = wpabuf_alloc(len);
   7648 	if (buf == NULL)
   7649 		return -1;
   7650 
   7651 	if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
   7652 		wpabuf_free(buf);
   7653 		return -1;
   7654 	}
   7655 
   7656 	if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
   7657 	    ParseFailed) {
   7658 		wpabuf_free(buf);
   7659 		return -1;
   7660 	}
   7661 
   7662 	if (wpa_s->vendor_elem[frame] == NULL) {
   7663 		wpa_s->vendor_elem[frame] = buf;
   7664 		wpas_ctrl_vendor_elem_update(wpa_s);
   7665 		return 0;
   7666 	}
   7667 
   7668 	if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
   7669 		wpabuf_free(buf);
   7670 		return -1;
   7671 	}
   7672 
   7673 	wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
   7674 	wpabuf_free(buf);
   7675 	wpas_ctrl_vendor_elem_update(wpa_s);
   7676 
   7677 	return 0;
   7678 }
   7679 
   7680 
   7681 static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
   7682 				     char *buf, size_t buflen)
   7683 {
   7684 	int frame = atoi(cmd);
   7685 
   7686 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
   7687 		return -1;
   7688 	wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
   7689 
   7690 	if (wpa_s->vendor_elem[frame] == NULL)
   7691 		return 0;
   7692 
   7693 	return wpa_snprintf_hex(buf, buflen,
   7694 				wpabuf_head_u8(wpa_s->vendor_elem[frame]),
   7695 				wpabuf_len(wpa_s->vendor_elem[frame]));
   7696 }
   7697 
   7698 
   7699 static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
   7700 {
   7701 	char *pos = cmd;
   7702 	int frame;
   7703 	size_t len;
   7704 	u8 *buf;
   7705 	struct ieee802_11_elems elems;
   7706 	u8 *ie, *end;
   7707 
   7708 	frame = atoi(pos);
   7709 	if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
   7710 		return -1;
   7711 	wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
   7712 
   7713 	pos = os_strchr(pos, ' ');
   7714 	if (pos == NULL)
   7715 		return -1;
   7716 	pos++;
   7717 
   7718 	if (*pos == '*') {
   7719 		wpabuf_free(wpa_s->vendor_elem[frame]);
   7720 		wpa_s->vendor_elem[frame] = NULL;
   7721 		wpas_ctrl_vendor_elem_update(wpa_s);
   7722 		return 0;
   7723 	}
   7724 
   7725 	if (wpa_s->vendor_elem[frame] == NULL)
   7726 		return -1;
   7727 
   7728 	len = os_strlen(pos);
   7729 	if (len == 0)
   7730 		return 0;
   7731 	if (len & 1)
   7732 		return -1;
   7733 	len /= 2;
   7734 
   7735 	buf = os_malloc(len);
   7736 	if (buf == NULL)
   7737 		return -1;
   7738 
   7739 	if (hexstr2bin(pos, buf, len) < 0) {
   7740 		os_free(buf);
   7741 		return -1;
   7742 	}
   7743 
   7744 	if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
   7745 		os_free(buf);
   7746 		return -1;
   7747 	}
   7748 
   7749 	ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
   7750 	end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
   7751 
   7752 	for (; ie + 1 < end; ie += 2 + ie[1]) {
   7753 		if (ie + len > end)
   7754 			break;
   7755 		if (os_memcmp(ie, buf, len) != 0)
   7756 			continue;
   7757 
   7758 		if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
   7759 			wpabuf_free(wpa_s->vendor_elem[frame]);
   7760 			wpa_s->vendor_elem[frame] = NULL;
   7761 		} else {
   7762 			os_memmove(ie, ie + len,
   7763 				   end - (ie + len));
   7764 			wpa_s->vendor_elem[frame]->used -= len;
   7765 		}
   7766 		os_free(buf);
   7767 		wpas_ctrl_vendor_elem_update(wpa_s);
   7768 		return 0;
   7769 	}
   7770 
   7771 	os_free(buf);
   7772 
   7773 	return -1;
   7774 }
   7775 
   7776 
   7777 static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
   7778 {
   7779 	struct wpa_supplicant *wpa_s = ctx;
   7780 
   7781 	if (neighbor_rep) {
   7782 		wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_RXED
   7783 			     "length=%u",
   7784 			     (unsigned int) wpabuf_len(neighbor_rep));
   7785 		wpabuf_free(neighbor_rep);
   7786 	} else {
   7787 		wpa_msg_ctrl(wpa_s, MSG_INFO, RRM_EVENT_NEIGHBOR_REP_FAILED);
   7788 	}
   7789 }
   7790 
   7791 
   7792 static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
   7793 					    char *cmd)
   7794 {
   7795 	struct wpa_ssid ssid;
   7796 	struct wpa_ssid *ssid_p = NULL;
   7797 	int ret = 0;
   7798 
   7799 	if (os_strncmp(cmd, " ssid=", 6) == 0) {
   7800 		ssid.ssid_len = os_strlen(cmd + 6);
   7801 		if (ssid.ssid_len > SSID_MAX_LEN)
   7802 			return -1;
   7803 		ssid.ssid = (u8 *) (cmd + 6);
   7804 		ssid_p = &ssid;
   7805 	}
   7806 
   7807 	ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
   7808 						 wpas_ctrl_neighbor_rep_cb,
   7809 						 wpa_s);
   7810 
   7811 	return ret;
   7812 }
   7813 
   7814 
   7815 static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
   7816 {
   7817 	eapol_sm_erp_flush(wpa_s->eapol);
   7818 	return 0;
   7819 }
   7820 
   7821 
   7822 static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
   7823 					 char *cmd)
   7824 {
   7825 	char *token, *context = NULL;
   7826 	unsigned int enable = ~0, type = 0;
   7827 	u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
   7828 	u8 *addr = NULL, *mask = NULL;
   7829 
   7830 	while ((token = str_token(cmd, " ", &context))) {
   7831 		if (os_strcasecmp(token, "scan") == 0) {
   7832 			type |= MAC_ADDR_RAND_SCAN;
   7833 		} else if (os_strcasecmp(token, "sched") == 0) {
   7834 			type |= MAC_ADDR_RAND_SCHED_SCAN;
   7835 		} else if (os_strcasecmp(token, "pno") == 0) {
   7836 			type |= MAC_ADDR_RAND_PNO;
   7837 		} else if (os_strcasecmp(token, "all") == 0) {
   7838 			type = wpa_s->mac_addr_rand_supported;
   7839 		} else if (os_strncasecmp(token, "enable=", 7) == 0) {
   7840 			enable = atoi(token + 7);
   7841 		} else if (os_strncasecmp(token, "addr=", 5) == 0) {
   7842 			addr = _addr;
   7843 			if (hwaddr_aton(token + 5, addr)) {
   7844 				wpa_printf(MSG_INFO,
   7845 					   "CTRL: Invalid MAC address: %s",
   7846 					   token);
   7847 				return -1;
   7848 			}
   7849 		} else if (os_strncasecmp(token, "mask=", 5) == 0) {
   7850 			mask = _mask;
   7851 			if (hwaddr_aton(token + 5, mask)) {
   7852 				wpa_printf(MSG_INFO,
   7853 					   "CTRL: Invalid MAC address mask: %s",
   7854 					   token);
   7855 				return -1;
   7856 			}
   7857 		} else {
   7858 			wpa_printf(MSG_INFO,
   7859 				   "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
   7860 				   token);
   7861 			return -1;
   7862 		}
   7863 	}
   7864 
   7865 	if (!type) {
   7866 		wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
   7867 		return -1;
   7868 	}
   7869 
   7870 	if ((wpa_s->mac_addr_rand_supported & type) != type) {
   7871 		wpa_printf(MSG_INFO,
   7872 			   "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
   7873 			   type, wpa_s->mac_addr_rand_supported);
   7874 		return -1;
   7875 	}
   7876 
   7877 	if (enable > 1) {
   7878 		wpa_printf(MSG_INFO,
   7879 			   "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
   7880 		return -1;
   7881 	}
   7882 
   7883 	if (!enable) {
   7884 		wpas_mac_addr_rand_scan_clear(wpa_s, type);
   7885 		if (wpa_s->pno) {
   7886 			if (type & MAC_ADDR_RAND_PNO) {
   7887 				wpas_stop_pno(wpa_s);
   7888 				wpas_start_pno(wpa_s);
   7889 			}
   7890 		} else if (wpa_s->sched_scanning &&
   7891 			   (type & MAC_ADDR_RAND_SCHED_SCAN)) {
   7892 			/* simulate timeout to restart the sched scan */
   7893 			wpa_s->sched_scan_timed_out = 1;
   7894 			wpa_s->prev_sched_ssid = NULL;
   7895 			wpa_supplicant_cancel_sched_scan(wpa_s);
   7896 		}
   7897 		return 0;
   7898 	}
   7899 
   7900 	if ((addr && !mask) || (!addr && mask)) {
   7901 		wpa_printf(MSG_INFO,
   7902 			   "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
   7903 		return -1;
   7904 	}
   7905 
   7906 	if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
   7907 		wpa_printf(MSG_INFO,
   7908 			   "CTRL: MAC_RAND_SCAN cannot allow multicast address");
   7909 		return -1;
   7910 	}
   7911 
   7912 	if (type & MAC_ADDR_RAND_SCAN) {
   7913 		wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
   7914 					    addr, mask);
   7915 	}
   7916 
   7917 	if (type & MAC_ADDR_RAND_SCHED_SCAN) {
   7918 		wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
   7919 					    addr, mask);
   7920 
   7921 		if (wpa_s->sched_scanning && !wpa_s->pno) {
   7922 			/* simulate timeout to restart the sched scan */
   7923 			wpa_s->sched_scan_timed_out = 1;
   7924 			wpa_s->prev_sched_ssid = NULL;
   7925 			wpa_supplicant_cancel_sched_scan(wpa_s);
   7926 		}
   7927 	}
   7928 
   7929 	if (type & MAC_ADDR_RAND_PNO) {
   7930 		wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
   7931 					    addr, mask);
   7932 		if (wpa_s->pno) {
   7933 			wpas_stop_pno(wpa_s);
   7934 			wpas_start_pno(wpa_s);
   7935 		}
   7936 	}
   7937 
   7938 	return 0;
   7939 }
   7940 
   7941 
   7942 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
   7943 					 char *buf, size_t *resp_len)
   7944 {
   7945 	char *reply;
   7946 	const int reply_size = 4096;
   7947 	int reply_len;
   7948 
   7949 	if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
   7950 	    os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
   7951 		if (wpa_debug_show_keys)
   7952 			wpa_dbg(wpa_s, MSG_DEBUG,
   7953 				"Control interface command '%s'", buf);
   7954 		else
   7955 			wpa_dbg(wpa_s, MSG_DEBUG,
   7956 				"Control interface command '%s [REMOVED]'",
   7957 				os_strncmp(buf, WPA_CTRL_RSP,
   7958 					   os_strlen(WPA_CTRL_RSP)) == 0 ?
   7959 				WPA_CTRL_RSP : "SET_NETWORK");
   7960 	} else if (os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
   7961 		   os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0) {
   7962 		wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
   7963 				      (const u8 *) buf, os_strlen(buf));
   7964 	} else {
   7965 		int level = MSG_DEBUG;
   7966 		if (os_strcmp(buf, "PING") == 0)
   7967 			level = MSG_EXCESSIVE;
   7968 		wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
   7969 	}
   7970 
   7971 	reply = os_malloc(reply_size);
   7972 	if (reply == NULL) {
   7973 		*resp_len = 1;
   7974 		return NULL;
   7975 	}
   7976 
   7977 	os_memcpy(reply, "OK\n", 3);
   7978 	reply_len = 3;
   7979 
   7980 	if (os_strcmp(buf, "PING") == 0) {
   7981 		os_memcpy(reply, "PONG\n", 5);
   7982 		reply_len = 5;
   7983 	} else if (os_strcmp(buf, "IFNAME") == 0) {
   7984 		reply_len = os_strlen(wpa_s->ifname);
   7985 		os_memcpy(reply, wpa_s->ifname, reply_len);
   7986 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
   7987 		if (wpa_debug_reopen_file() < 0)
   7988 			reply_len = -1;
   7989 	} else if (os_strncmp(buf, "NOTE ", 5) == 0) {
   7990 		wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
   7991 	} else if (os_strcmp(buf, "MIB") == 0) {
   7992 		reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
   7993 		if (reply_len >= 0) {
   7994 			reply_len += eapol_sm_get_mib(wpa_s->eapol,
   7995 						      reply + reply_len,
   7996 						      reply_size - reply_len);
   7997 		}
   7998 	} else if (os_strncmp(buf, "STATUS", 6) == 0) {
   7999 		reply_len = wpa_supplicant_ctrl_iface_status(
   8000 			wpa_s, buf + 6, reply, reply_size);
   8001 	} else if (os_strcmp(buf, "PMKSA") == 0) {
   8002 		reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
   8003 						    reply_size);
   8004 	} else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
   8005 		wpa_sm_pmksa_cache_flush(wpa_s->wpa, NULL);
   8006 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
   8007 		if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
   8008 			reply_len = -1;
   8009 	} else if (os_strncmp(buf, "DUMP", 4) == 0) {
   8010 		reply_len = wpa_config_dump_values(wpa_s->conf,
   8011 						   reply, reply_size);
   8012 	} else if (os_strncmp(buf, "GET ", 4) == 0) {
   8013 		reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
   8014 							  reply, reply_size);
   8015 	} else if (os_strcmp(buf, "LOGON") == 0) {
   8016 		eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
   8017 	} else if (os_strcmp(buf, "LOGOFF") == 0) {
   8018 		eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
   8019 	} else if (os_strcmp(buf, "REASSOCIATE") == 0) {
   8020 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
   8021 			reply_len = -1;
   8022 		else
   8023 			wpas_request_connection(wpa_s);
   8024 	} else if (os_strcmp(buf, "REATTACH") == 0) {
   8025 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED ||
   8026 		    !wpa_s->current_ssid)
   8027 			reply_len = -1;
   8028 		else {
   8029 			wpa_s->reattach = 1;
   8030 			wpas_request_connection(wpa_s);
   8031 		}
   8032 	} else if (os_strcmp(buf, "RECONNECT") == 0) {
   8033 		if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
   8034 			reply_len = -1;
   8035 		else if (wpa_s->disconnected)
   8036 			wpas_request_connection(wpa_s);
   8037 #ifdef IEEE8021X_EAPOL
   8038 	} else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
   8039 		if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
   8040 			reply_len = -1;
   8041 #endif /* IEEE8021X_EAPOL */
   8042 #ifdef CONFIG_PEERKEY
   8043 	} else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
   8044 		if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
   8045 			reply_len = -1;
   8046 #endif /* CONFIG_PEERKEY */
   8047 #ifdef CONFIG_IEEE80211R
   8048 	} else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
   8049 		if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
   8050 			reply_len = -1;
   8051 #endif /* CONFIG_IEEE80211R */
   8052 #ifdef CONFIG_WPS
   8053 	} else if (os_strcmp(buf, "WPS_PBC") == 0) {
   8054 		int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
   8055 		if (res == -2) {
   8056 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
   8057 			reply_len = 17;
   8058 		} else if (res)
   8059 			reply_len = -1;
   8060 	} else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
   8061 		int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
   8062 		if (res == -2) {
   8063 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
   8064 			reply_len = 17;
   8065 		} else if (res)
   8066 			reply_len = -1;
   8067 	} else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
   8068 		reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
   8069 							      reply,
   8070 							      reply_size);
   8071 	} else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
   8072 		reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
   8073 			wpa_s, buf + 14, reply, reply_size);
   8074 	} else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
   8075 		if (wpas_wps_cancel(wpa_s))
   8076 			reply_len = -1;
   8077 #ifdef CONFIG_WPS_NFC
   8078 	} else if (os_strcmp(buf, "WPS_NFC") == 0) {
   8079 		if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
   8080 			reply_len = -1;
   8081 	} else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
   8082 		if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
   8083 			reply_len = -1;
   8084 	} else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
   8085 		reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
   8086 			wpa_s, buf + 21, reply, reply_size);
   8087 	} else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
   8088 		reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
   8089 			wpa_s, buf + 14, reply, reply_size);
   8090 	} else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
   8091 		if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
   8092 							       buf + 17))
   8093 			reply_len = -1;
   8094 	} else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
   8095 		reply_len = wpas_ctrl_nfc_get_handover_req(
   8096 			wpa_s, buf + 21, reply, reply_size);
   8097 	} else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
   8098 		reply_len = wpas_ctrl_nfc_get_handover_sel(
   8099 			wpa_s, buf + 21, reply, reply_size);
   8100 	} else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
   8101 		if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
   8102 			reply_len = -1;
   8103 #endif /* CONFIG_WPS_NFC */
   8104 	} else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
   8105 		if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
   8106 			reply_len = -1;
   8107 #ifdef CONFIG_AP
   8108 	} else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
   8109 		reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
   8110 			wpa_s, buf + 11, reply, reply_size);
   8111 #endif /* CONFIG_AP */
   8112 #ifdef CONFIG_WPS_ER
   8113 	} else if (os_strcmp(buf, "WPS_ER_START") == 0) {
   8114 		if (wpas_wps_er_start(wpa_s, NULL))
   8115 			reply_len = -1;
   8116 	} else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
   8117 		if (wpas_wps_er_start(wpa_s, buf + 13))
   8118 			reply_len = -1;
   8119 	} else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
   8120 		wpas_wps_er_stop(wpa_s);
   8121 	} else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
   8122 		if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
   8123 			reply_len = -1;
   8124 	} else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
   8125 		int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
   8126 		if (ret == -2) {
   8127 			os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
   8128 			reply_len = 17;
   8129 		} else if (ret == -3) {
   8130 			os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
   8131 			reply_len = 18;
   8132 		} else if (ret == -4) {
   8133 			os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
   8134 			reply_len = 20;
   8135 		} else if (ret)
   8136 			reply_len = -1;
   8137 	} else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
   8138 		if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
   8139 			reply_len = -1;
   8140 	} else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
   8141 		if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
   8142 								buf + 18))
   8143 			reply_len = -1;
   8144 	} else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
   8145 		if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
   8146 			reply_len = -1;
   8147 #ifdef CONFIG_WPS_NFC
   8148 	} else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
   8149 		reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
   8150 			wpa_s, buf + 24, reply, reply_size);
   8151 #endif /* CONFIG_WPS_NFC */
   8152 #endif /* CONFIG_WPS_ER */
   8153 #endif /* CONFIG_WPS */
   8154 #ifdef CONFIG_IBSS_RSN
   8155 	} else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
   8156 		if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
   8157 			reply_len = -1;
   8158 #endif /* CONFIG_IBSS_RSN */
   8159 #ifdef CONFIG_MESH
   8160 	} else if (os_strncmp(buf, "MESH_INTERFACE_ADD ", 19) == 0) {
   8161 		reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
   8162 			wpa_s, buf + 19, reply, reply_size);
   8163 	} else if (os_strcmp(buf, "MESH_INTERFACE_ADD") == 0) {
   8164 		reply_len = wpa_supplicant_ctrl_iface_mesh_interface_add(
   8165 			wpa_s, "", reply, reply_size);
   8166 	} else if (os_strncmp(buf, "MESH_GROUP_ADD ", 15) == 0) {
   8167 		if (wpa_supplicant_ctrl_iface_mesh_group_add(wpa_s, buf + 15))
   8168 			reply_len = -1;
   8169 	} else if (os_strncmp(buf, "MESH_GROUP_REMOVE ", 18) == 0) {
   8170 		if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
   8171 								buf + 18))
   8172 			reply_len = -1;
   8173 #endif /* CONFIG_MESH */
   8174 #ifdef CONFIG_P2P
   8175 	} else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
   8176 		if (p2p_ctrl_find(wpa_s, buf + 8))
   8177 			reply_len = -1;
   8178 	} else if (os_strcmp(buf, "P2P_FIND") == 0) {
   8179 		if (p2p_ctrl_find(wpa_s, ""))
   8180 			reply_len = -1;
   8181 	} else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
   8182 		wpas_p2p_stop_find(wpa_s);
   8183 	} else if (os_strncmp(buf, "P2P_ASP_PROVISION ", 18) == 0) {
   8184 		if (p2p_ctrl_asp_provision(wpa_s, buf + 18))
   8185 			reply_len = -1;
   8186 	} else if (os_strncmp(buf, "P2P_ASP_PROVISION_RESP ", 23) == 0) {
   8187 		if (p2p_ctrl_asp_provision_resp(wpa_s, buf + 23))
   8188 			reply_len = -1;
   8189 	} else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
   8190 		reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
   8191 					     reply_size);
   8192 	} else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
   8193 		if (p2p_ctrl_listen(wpa_s, buf + 11))
   8194 			reply_len = -1;
   8195 	} else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
   8196 		if (p2p_ctrl_listen(wpa_s, ""))
   8197 			reply_len = -1;
   8198 	} else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
   8199 		if (wpas_p2p_group_remove(wpa_s, buf + 17))
   8200 			reply_len = -1;
   8201 	} else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
   8202 		if (p2p_ctrl_group_add(wpa_s, ""))
   8203 			reply_len = -1;
   8204 	} else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
   8205 		if (p2p_ctrl_group_add(wpa_s, buf + 14))
   8206 			reply_len = -1;
   8207 	} else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
   8208 		if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
   8209 			reply_len = -1;
   8210 	} else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
   8211 		reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
   8212 	} else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
   8213 		reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
   8214 						   reply_size);
   8215 	} else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
   8216 		if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
   8217 			reply_len = -1;
   8218 	} else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
   8219 		if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
   8220 			reply_len = -1;
   8221 	} else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
   8222 		wpas_p2p_sd_service_update(wpa_s);
   8223 	} else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
   8224 		if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
   8225 			reply_len = -1;
   8226 	} else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
   8227 		wpas_p2p_service_flush(wpa_s);
   8228 	} else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
   8229 		if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
   8230 			reply_len = -1;
   8231 	} else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
   8232 		if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
   8233 			reply_len = -1;
   8234 	} else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
   8235 		if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
   8236 			reply_len = -1;
   8237 	} else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
   8238 		if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
   8239 			reply_len = -1;
   8240 	} else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
   8241 		if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
   8242 			reply_len = -1;
   8243 	} else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
   8244 		reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
   8245 					      reply_size);
   8246 	} else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
   8247 		if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
   8248 			reply_len = -1;
   8249 	} else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
   8250 		p2p_ctrl_flush(wpa_s);
   8251 	} else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
   8252 		if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
   8253 			reply_len = -1;
   8254 	} else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
   8255 		if (wpas_p2p_cancel(wpa_s))
   8256 			reply_len = -1;
   8257 	} else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
   8258 		if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
   8259 			reply_len = -1;
   8260 	} else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
   8261 		if (p2p_ctrl_presence_req(wpa_s, "") < 0)
   8262 			reply_len = -1;
   8263 	} else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
   8264 		if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
   8265 			reply_len = -1;
   8266 	} else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
   8267 		if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
   8268 			reply_len = -1;
   8269 	} else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
   8270 		if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
   8271 			reply_len = -1;
   8272 #endif /* CONFIG_P2P */
   8273 #ifdef CONFIG_WIFI_DISPLAY
   8274 	} else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
   8275 		if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
   8276 			reply_len = -1;
   8277 	} else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
   8278 		reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
   8279 						     reply, reply_size);
   8280 #endif /* CONFIG_WIFI_DISPLAY */
   8281 #ifdef CONFIG_INTERWORKING
   8282 	} else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
   8283 		if (interworking_fetch_anqp(wpa_s) < 0)
   8284 			reply_len = -1;
   8285 	} else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
   8286 		interworking_stop_fetch_anqp(wpa_s);
   8287 	} else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
   8288 		if (ctrl_interworking_select(wpa_s, NULL) < 0)
   8289 			reply_len = -1;
   8290 	} else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
   8291 		if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
   8292 			reply_len = -1;
   8293 	} else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
   8294 		if (ctrl_interworking_connect(wpa_s, buf + 21, 0) < 0)
   8295 			reply_len = -1;
   8296 	} else if (os_strncmp(buf, "INTERWORKING_ADD_NETWORK ", 25) == 0) {
   8297 		int id;
   8298 
   8299 		id = ctrl_interworking_connect(wpa_s, buf + 25, 1);
   8300 		if (id < 0)
   8301 			reply_len = -1;
   8302 		else {
   8303 			reply_len = os_snprintf(reply, reply_size, "%d\n", id);
   8304 			if (os_snprintf_error(reply_size, reply_len))
   8305 				reply_len = -1;
   8306 		}
   8307 	} else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
   8308 		if (get_anqp(wpa_s, buf + 9) < 0)
   8309 			reply_len = -1;
   8310 	} else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
   8311 		if (gas_request(wpa_s, buf + 12) < 0)
   8312 			reply_len = -1;
   8313 	} else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
   8314 		reply_len = gas_response_get(wpa_s, buf + 17, reply,
   8315 					     reply_size);
   8316 #endif /* CONFIG_INTERWORKING */
   8317 #ifdef CONFIG_HS20
   8318 	} else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
   8319 		if (get_hs20_anqp(wpa_s, buf + 14) < 0)
   8320 			reply_len = -1;
   8321 	} else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
   8322 		if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
   8323 			reply_len = -1;
   8324 	} else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
   8325 		if (hs20_icon_request(wpa_s, buf + 18) < 0)
   8326 			reply_len = -1;
   8327 	} else if (os_strcmp(buf, "FETCH_OSU") == 0) {
   8328 		if (hs20_fetch_osu(wpa_s) < 0)
   8329 			reply_len = -1;
   8330 	} else if (os_strcmp(buf, "CANCEL_FETCH_OSU") == 0) {
   8331 		hs20_cancel_fetch_osu(wpa_s);
   8332 #endif /* CONFIG_HS20 */
   8333 	} else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
   8334 	{
   8335 		if (wpa_supplicant_ctrl_iface_ctrl_rsp(
   8336 			    wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
   8337 			reply_len = -1;
   8338 		else {
   8339 			/*
   8340 			 * Notify response from timeout to allow the control
   8341 			 * interface response to be sent first.
   8342 			 */
   8343 			eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
   8344 					       wpa_s, NULL);
   8345 		}
   8346 	} else if (os_strcmp(buf, "RECONFIGURE") == 0) {
   8347 		if (wpa_supplicant_reload_configuration(wpa_s))
   8348 			reply_len = -1;
   8349 	} else if (os_strcmp(buf, "TERMINATE") == 0) {
   8350 		wpa_supplicant_terminate_proc(wpa_s->global);
   8351 	} else if (os_strncmp(buf, "BSSID ", 6) == 0) {
   8352 		if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
   8353 			reply_len = -1;
   8354 	} else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
   8355 		reply_len = wpa_supplicant_ctrl_iface_blacklist(
   8356 			wpa_s, buf + 9, reply, reply_size);
   8357 	} else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
   8358 		reply_len = wpa_supplicant_ctrl_iface_log_level(
   8359 			wpa_s, buf + 9, reply, reply_size);
   8360 	} else if (os_strncmp(buf, "LIST_NETWORKS ", 14) == 0) {
   8361 		reply_len = wpa_supplicant_ctrl_iface_list_networks(
   8362 			wpa_s, buf + 14, reply, reply_size);
   8363 	} else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
   8364 		reply_len = wpa_supplicant_ctrl_iface_list_networks(
   8365 			wpa_s, NULL, reply, reply_size);
   8366 	} else if (os_strcmp(buf, "DISCONNECT") == 0) {
   8367 #ifdef CONFIG_SME
   8368 		wpa_s->sme.prev_bssid_set = 0;
   8369 #endif /* CONFIG_SME */
   8370 		wpa_s->reassociate = 0;
   8371 		wpa_s->disconnected = 1;
   8372 		wpa_supplicant_cancel_sched_scan(wpa_s);
   8373 		wpa_supplicant_cancel_scan(wpa_s);
   8374 		wpa_supplicant_deauthenticate(wpa_s,
   8375 					      WLAN_REASON_DEAUTH_LEAVING);
   8376 		eloop_cancel_timeout(wpas_network_reenabled, wpa_s, NULL);
   8377 	} else if (os_strcmp(buf, "SCAN") == 0) {
   8378 		wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
   8379 	} else if (os_strncmp(buf, "SCAN ", 5) == 0) {
   8380 		wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
   8381 	} else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
   8382 		reply_len = wpa_supplicant_ctrl_iface_scan_results(
   8383 			wpa_s, reply, reply_size);
   8384 	} else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
   8385 		if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
   8386 			reply_len = -1;
   8387 	} else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
   8388 		if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
   8389 			reply_len = -1;
   8390 	} else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
   8391 		if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
   8392 			reply_len = -1;
   8393 	} else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
   8394 		reply_len = wpa_supplicant_ctrl_iface_add_network(
   8395 			wpa_s, reply, reply_size);
   8396 	} else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
   8397 		if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
   8398 			reply_len = -1;
   8399 	} else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
   8400 		if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
   8401 			reply_len = -1;
   8402 	} else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
   8403 		reply_len = wpa_supplicant_ctrl_iface_get_network(
   8404 			wpa_s, buf + 12, reply, reply_size);
   8405 	} else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
   8406 		if (wpa_supplicant_ctrl_iface_dup_network(wpa_s, buf + 12))
   8407 			reply_len = -1;
   8408 	} else if (os_strcmp(buf, "LIST_CREDS") == 0) {
   8409 		reply_len = wpa_supplicant_ctrl_iface_list_creds(
   8410 			wpa_s, reply, reply_size);
   8411 	} else if (os_strcmp(buf, "ADD_CRED") == 0) {
   8412 		reply_len = wpa_supplicant_ctrl_iface_add_cred(
   8413 			wpa_s, reply, reply_size);
   8414 	} else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
   8415 		if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
   8416 			reply_len = -1;
   8417 	} else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
   8418 		if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
   8419 			reply_len = -1;
   8420 	} else if (os_strncmp(buf, "GET_CRED ", 9) == 0) {
   8421 		reply_len = wpa_supplicant_ctrl_iface_get_cred(wpa_s, buf + 9,
   8422 							       reply,
   8423 							       reply_size);
   8424 #ifndef CONFIG_NO_CONFIG_WRITE
   8425 	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
   8426 		if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
   8427 			reply_len = -1;
   8428 #endif /* CONFIG_NO_CONFIG_WRITE */
   8429 	} else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
   8430 		reply_len = wpa_supplicant_ctrl_iface_get_capability(
   8431 			wpa_s, buf + 15, reply, reply_size);
   8432 	} else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
   8433 		if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
   8434 			reply_len = -1;
   8435 	} else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
   8436 		if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
   8437 			reply_len = -1;
   8438 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
   8439 		reply_len = wpa_supplicant_global_iface_list(
   8440 			wpa_s->global, reply, reply_size);
   8441 	} else if (os_strcmp(buf, "INTERFACES") == 0) {
   8442 		reply_len = wpa_supplicant_global_iface_interfaces(
   8443 			wpa_s->global, reply, reply_size);
   8444 	} else if (os_strncmp(buf, "BSS ", 4) == 0) {
   8445 		reply_len = wpa_supplicant_ctrl_iface_bss(
   8446 			wpa_s, buf + 4, reply, reply_size);
   8447 #ifdef CONFIG_AP
   8448 	} else if (os_strcmp(buf, "STA-FIRST") == 0) {
   8449 		reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
   8450 	} else if (os_strncmp(buf, "STA ", 4) == 0) {
   8451 		reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
   8452 					      reply_size);
   8453 	} else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
   8454 		reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
   8455 						   reply_size);
   8456 	} else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
   8457 		if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
   8458 			reply_len = -1;
   8459 	} else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
   8460 		if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
   8461 			reply_len = -1;
   8462 	} else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
   8463 		if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
   8464 			reply_len = -1;
   8465 	} else if (os_strcmp(buf, "STOP_AP") == 0) {
   8466 		if (wpas_ap_stop_ap(wpa_s))
   8467 			reply_len = -1;
   8468 #endif /* CONFIG_AP */
   8469 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
   8470 		wpas_notify_suspend(wpa_s->global);
   8471 	} else if (os_strcmp(buf, "RESUME") == 0) {
   8472 		wpas_notify_resume(wpa_s->global);
   8473 #ifdef CONFIG_TESTING_OPTIONS
   8474 	} else if (os_strcmp(buf, "DROP_SA") == 0) {
   8475 		wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
   8476 #endif /* CONFIG_TESTING_OPTIONS */
   8477 	} else if (os_strncmp(buf, "ROAM ", 5) == 0) {
   8478 		if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
   8479 			reply_len = -1;
   8480 	} else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
   8481 		wpa_s->auto_reconnect_disabled = atoi(buf + 16) == 0;
   8482 	} else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
   8483 		if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
   8484 			reply_len = -1;
   8485 	} else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
   8486 		if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
   8487 							       buf + 17))
   8488 			reply_len = -1;
   8489 	} else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
   8490 		wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10);
   8491 #ifdef CONFIG_TDLS
   8492 	} else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
   8493 		if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
   8494 			reply_len = -1;
   8495 	} else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
   8496 		if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
   8497 			reply_len = -1;
   8498 	} else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
   8499 		if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
   8500 			reply_len = -1;
   8501 	} else if (os_strncmp(buf, "TDLS_CHAN_SWITCH ", 17) == 0) {
   8502 		if (wpa_supplicant_ctrl_iface_tdls_chan_switch(wpa_s,
   8503 							       buf + 17))
   8504 			reply_len = -1;
   8505 	} else if (os_strncmp(buf, "TDLS_CANCEL_CHAN_SWITCH ", 24) == 0) {
   8506 		if (wpa_supplicant_ctrl_iface_tdls_cancel_chan_switch(wpa_s,
   8507 								      buf + 24))
   8508 			reply_len = -1;
   8509 	} else if (os_strncmp(buf, "TDLS_LINK_STATUS ", 17) == 0) {
   8510 		reply_len = wpa_supplicant_ctrl_iface_tdls_link_status(
   8511 			wpa_s, buf + 17, reply, reply_size);
   8512 #endif /* CONFIG_TDLS */
   8513 	} else if (os_strcmp(buf, "WMM_AC_STATUS") == 0) {
   8514 		reply_len = wpas_wmm_ac_status(wpa_s, reply, reply_size);
   8515 	} else if (os_strncmp(buf, "WMM_AC_ADDTS ", 13) == 0) {
   8516 		if (wmm_ac_ctrl_addts(wpa_s, buf + 13))
   8517 			reply_len = -1;
   8518 	} else if (os_strncmp(buf, "WMM_AC_DELTS ", 13) == 0) {
   8519 		if (wmm_ac_ctrl_delts(wpa_s, buf + 13))
   8520 			reply_len = -1;
   8521 	} else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
   8522 		reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
   8523 						       reply_size);
   8524 	} else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
   8525 		reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
   8526 						       reply_size);
   8527 #ifdef CONFIG_AUTOSCAN
   8528 	} else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
   8529 		if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
   8530 			reply_len = -1;
   8531 #endif /* CONFIG_AUTOSCAN */
   8532 #ifdef ANDROID
   8533 	} else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
   8534 		reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
   8535 						      reply_size);
   8536 #endif /* ANDROID */
   8537 	} else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
   8538 		reply_len = wpa_supplicant_vendor_cmd(wpa_s, buf + 7, reply,
   8539 						      reply_size);
   8540 	} else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
   8541 		pmksa_cache_clear_current(wpa_s->wpa);
   8542 		eapol_sm_request_reauth(wpa_s->eapol);
   8543 #ifdef CONFIG_WNM
   8544 	} else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
   8545 		if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
   8546 			reply_len = -1;
   8547 	} else if (os_strncmp(buf, "WNM_BSS_QUERY ", 14) == 0) {
   8548 		if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 14))
   8549 				reply_len = -1;
   8550 #endif /* CONFIG_WNM */
   8551 	} else if (os_strcmp(buf, "FLUSH") == 0) {
   8552 		wpa_supplicant_ctrl_iface_flush(wpa_s);
   8553 	} else if (os_strncmp(buf, "RADIO_WORK ", 11) == 0) {
   8554 		reply_len = wpas_ctrl_radio_work(wpa_s, buf + 11, reply,
   8555 						 reply_size);
   8556 #ifdef CONFIG_TESTING_OPTIONS
   8557 	} else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
   8558 		if (wpas_ctrl_iface_mgmt_tx(wpa_s, buf + 8) < 0)
   8559 			reply_len = -1;
   8560 	} else if (os_strcmp(buf, "MGMT_TX_DONE") == 0) {
   8561 		wpas_ctrl_iface_mgmt_tx_done(wpa_s);
   8562 	} else if (os_strncmp(buf, "DRIVER_EVENT ", 13) == 0) {
   8563 		if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
   8564 			reply_len = -1;
   8565 	} else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
   8566 		if (wpas_ctrl_iface_eapol_rx(wpa_s, buf + 9) < 0)
   8567 			reply_len = -1;
   8568 	} else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
   8569 		if (wpas_ctrl_iface_data_test_config(wpa_s, buf + 17) < 0)
   8570 			reply_len = -1;
   8571 	} else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
   8572 		if (wpas_ctrl_iface_data_test_tx(wpa_s, buf + 13) < 0)
   8573 			reply_len = -1;
   8574 	} else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
   8575 		if (wpas_ctrl_iface_data_test_frame(wpa_s, buf + 16) < 0)
   8576 			reply_len = -1;
   8577 	} else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
   8578 		if (wpas_ctrl_test_alloc_fail(wpa_s, buf + 16) < 0)
   8579 			reply_len = -1;
   8580 	} else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
   8581 		reply_len = wpas_ctrl_get_alloc_fail(wpa_s, reply, reply_size);
   8582 #endif /* CONFIG_TESTING_OPTIONS */
   8583 	} else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
   8584 		if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
   8585 			reply_len = -1;
   8586 	} else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
   8587 		reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
   8588 						      reply_size);
   8589 	} else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
   8590 		if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
   8591 			reply_len = -1;
   8592 	} else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
   8593 		if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
   8594 			reply_len = -1;
   8595 	} else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
   8596 		wpas_ctrl_iface_erp_flush(wpa_s);
   8597 	} else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
   8598 		if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
   8599 			reply_len = -1;
   8600 	} else {
   8601 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
   8602 		reply_len = 16;
   8603 	}
   8604 
   8605 	if (reply_len < 0) {
   8606 		os_memcpy(reply, "FAIL\n", 5);
   8607 		reply_len = 5;
   8608 	}
   8609 
   8610 	*resp_len = reply_len;
   8611 	return reply;
   8612 }
   8613 
   8614 
   8615 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
   8616 					   char *cmd)
   8617 {
   8618 	struct wpa_interface iface;
   8619 	char *pos, *extra;
   8620 	struct wpa_supplicant *wpa_s;
   8621 	unsigned int create_iface = 0;
   8622 	u8 mac_addr[ETH_ALEN];
   8623 
   8624 	/*
   8625 	 * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
   8626 	 * TAB<bridge_ifname>[TAB<create>]
   8627 	 */
   8628 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
   8629 
   8630 	os_memset(&iface, 0, sizeof(iface));
   8631 
   8632 	do {
   8633 		iface.ifname = pos = cmd;
   8634 		pos = os_strchr(pos, '\t');
   8635 		if (pos)
   8636 			*pos++ = '\0';
   8637 		if (iface.ifname[0] == '\0')
   8638 			return -1;
   8639 		if (pos == NULL)
   8640 			break;
   8641 
   8642 		iface.confname = pos;
   8643 		pos = os_strchr(pos, '\t');
   8644 		if (pos)
   8645 			*pos++ = '\0';
   8646 		if (iface.confname[0] == '\0')
   8647 			iface.confname = NULL;
   8648 		if (pos == NULL)
   8649 			break;
   8650 
   8651 		iface.driver = pos;
   8652 		pos = os_strchr(pos, '\t');
   8653 		if (pos)
   8654 			*pos++ = '\0';
   8655 		if (iface.driver[0] == '\0')
   8656 			iface.driver = NULL;
   8657 		if (pos == NULL)
   8658 			break;
   8659 
   8660 		iface.ctrl_interface = pos;
   8661 		pos = os_strchr(pos, '\t');
   8662 		if (pos)
   8663 			*pos++ = '\0';
   8664 		if (iface.ctrl_interface[0] == '\0')
   8665 			iface.ctrl_interface = NULL;
   8666 		if (pos == NULL)
   8667 			break;
   8668 
   8669 		iface.driver_param = pos;
   8670 		pos = os_strchr(pos, '\t');
   8671 		if (pos)
   8672 			*pos++ = '\0';
   8673 		if (iface.driver_param[0] == '\0')
   8674 			iface.driver_param = NULL;
   8675 		if (pos == NULL)
   8676 			break;
   8677 
   8678 		iface.bridge_ifname = pos;
   8679 		pos = os_strchr(pos, '\t');
   8680 		if (pos)
   8681 			*pos++ = '\0';
   8682 		if (iface.bridge_ifname[0] == '\0')
   8683 			iface.bridge_ifname = NULL;
   8684 		if (pos == NULL)
   8685 			break;
   8686 
   8687 		extra = pos;
   8688 		pos = os_strchr(pos, '\t');
   8689 		if (pos)
   8690 			*pos++ = '\0';
   8691 		if (!extra[0])
   8692 			break;
   8693 
   8694 		if (os_strcmp(extra, "create") == 0)
   8695 			create_iface = 1;
   8696 		else {
   8697 			wpa_printf(MSG_DEBUG,
   8698 				   "INTERFACE_ADD unsupported extra parameter: '%s'",
   8699 				   extra);
   8700 			return -1;
   8701 		}
   8702 	} while (0);
   8703 
   8704 	if (create_iface) {
   8705 		wpa_printf(MSG_DEBUG, "CTRL_IFACE creating interface '%s'",
   8706 			   iface.ifname);
   8707 		if (!global->ifaces)
   8708 			return -1;
   8709 		if (wpa_drv_if_add(global->ifaces, WPA_IF_STATION, iface.ifname,
   8710 				   NULL, NULL, NULL, mac_addr, NULL) < 0) {
   8711 			wpa_printf(MSG_ERROR,
   8712 				   "CTRL_IFACE interface creation failed");
   8713 			return -1;
   8714 		}
   8715 
   8716 		wpa_printf(MSG_DEBUG,
   8717 			   "CTRL_IFACE interface '%s' created with MAC addr: "
   8718 			   MACSTR, iface.ifname, MAC2STR(mac_addr));
   8719 	}
   8720 
   8721 	if (wpa_supplicant_get_iface(global, iface.ifname))
   8722 		goto fail;
   8723 
   8724 	wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
   8725 	if (!wpa_s)
   8726 		goto fail;
   8727 	wpa_s->added_vif = create_iface;
   8728 	return 0;
   8729 
   8730 fail:
   8731 	if (create_iface)
   8732 		wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, iface.ifname);
   8733 	return -1;
   8734 }
   8735 
   8736 
   8737 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
   8738 					      char *cmd)
   8739 {
   8740 	struct wpa_supplicant *wpa_s;
   8741 	int ret;
   8742 	unsigned int delete_iface;
   8743 
   8744 	wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
   8745 
   8746 	wpa_s = wpa_supplicant_get_iface(global, cmd);
   8747 	if (wpa_s == NULL)
   8748 		return -1;
   8749 	delete_iface = wpa_s->added_vif;
   8750 	ret = wpa_supplicant_remove_iface(global, wpa_s, 0);
   8751 	if (!ret && delete_iface) {
   8752 		wpa_printf(MSG_DEBUG, "CTRL_IFACE deleting the interface '%s'",
   8753 			   cmd);
   8754 		ret = wpa_drv_if_remove(global->ifaces, WPA_IF_STATION, cmd);
   8755 	}
   8756 	return ret;
   8757 }
   8758 
   8759 
   8760 static void wpa_free_iface_info(struct wpa_interface_info *iface)
   8761 {
   8762 	struct wpa_interface_info *prev;
   8763 
   8764 	while (iface) {
   8765 		prev = iface;
   8766 		iface = iface->next;
   8767 
   8768 		os_free(prev->ifname);
   8769 		os_free(prev->desc);
   8770 		os_free(prev);
   8771 	}
   8772 }
   8773 
   8774 
   8775 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
   8776 					    char *buf, int len)
   8777 {
   8778 	int i, res;
   8779 	struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
   8780 	char *pos, *end;
   8781 
   8782 	for (i = 0; wpa_drivers[i]; i++) {
   8783 		const struct wpa_driver_ops *drv = wpa_drivers[i];
   8784 		if (drv->get_interfaces == NULL)
   8785 			continue;
   8786 		tmp = drv->get_interfaces(global->drv_priv[i]);
   8787 		if (tmp == NULL)
   8788 			continue;
   8789 
   8790 		if (last == NULL)
   8791 			iface = last = tmp;
   8792 		else
   8793 			last->next = tmp;
   8794 		while (last->next)
   8795 			last = last->next;
   8796 	}
   8797 
   8798 	pos = buf;
   8799 	end = buf + len;
   8800 	for (tmp = iface; tmp; tmp = tmp->next) {
   8801 		res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
   8802 				  tmp->drv_name, tmp->ifname,
   8803 				  tmp->desc ? tmp->desc : "");
   8804 		if (os_snprintf_error(end - pos, res)) {
   8805 			*pos = '\0';
   8806 			break;
   8807 		}
   8808 		pos += res;
   8809 	}
   8810 
   8811 	wpa_free_iface_info(iface);
   8812 
   8813 	return pos - buf;
   8814 }
   8815 
   8816 
   8817 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
   8818 						  char *buf, int len)
   8819 {
   8820 	int res;
   8821 	char *pos, *end;
   8822 	struct wpa_supplicant *wpa_s;
   8823 
   8824 	wpa_s = global->ifaces;
   8825 	pos = buf;
   8826 	end = buf + len;
   8827 
   8828 	while (wpa_s) {
   8829 		res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
   8830 		if (os_snprintf_error(end - pos, res)) {
   8831 			*pos = '\0';
   8832 			break;
   8833 		}
   8834 		pos += res;
   8835 		wpa_s = wpa_s->next;
   8836 	}
   8837 	return pos - buf;
   8838 }
   8839 
   8840 
   8841 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
   8842 					    const char *ifname,
   8843 					    char *cmd, size_t *resp_len)
   8844 {
   8845 	struct wpa_supplicant *wpa_s;
   8846 
   8847 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
   8848 		if (os_strcmp(ifname, wpa_s->ifname) == 0)
   8849 			break;
   8850 	}
   8851 
   8852 	if (wpa_s == NULL) {
   8853 		char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
   8854 		if (resp)
   8855 			*resp_len = os_strlen(resp);
   8856 		else
   8857 			*resp_len = 1;
   8858 		return resp;
   8859 	}
   8860 
   8861 	return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
   8862 }
   8863 
   8864 
   8865 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
   8866 					       char *buf, size_t *resp_len)
   8867 {
   8868 #ifdef CONFIG_P2P
   8869 	static const char * cmd[] = {
   8870 		"LIST_NETWORKS",
   8871 		"P2P_FIND",
   8872 		"P2P_STOP_FIND",
   8873 		"P2P_LISTEN",
   8874 		"P2P_GROUP_ADD",
   8875 		"P2P_GET_PASSPHRASE",
   8876 		"P2P_SERVICE_UPDATE",
   8877 		"P2P_SERVICE_FLUSH",
   8878 		"P2P_FLUSH",
   8879 		"P2P_CANCEL",
   8880 		"P2P_PRESENCE_REQ",
   8881 		"P2P_EXT_LISTEN",
   8882 		NULL
   8883 	};
   8884 	static const char * prefix[] = {
   8885 #ifdef ANDROID
   8886 		"DRIVER ",
   8887 #endif /* ANDROID */
   8888 		"GET_NETWORK ",
   8889 		"REMOVE_NETWORK ",
   8890 		"P2P_FIND ",
   8891 		"P2P_CONNECT ",
   8892 		"P2P_LISTEN ",
   8893 		"P2P_GROUP_REMOVE ",
   8894 		"P2P_GROUP_ADD ",
   8895 		"P2P_PROV_DISC ",
   8896 		"P2P_SERV_DISC_REQ ",
   8897 		"P2P_SERV_DISC_CANCEL_REQ ",
   8898 		"P2P_SERV_DISC_RESP ",
   8899 		"P2P_SERV_DISC_EXTERNAL ",
   8900 		"P2P_SERVICE_ADD ",
   8901 		"P2P_SERVICE_DEL ",
   8902 		"P2P_SERVICE_REP ",
   8903 		"P2P_REJECT ",
   8904 		"P2P_INVITE ",
   8905 		"P2P_PEER ",
   8906 		"P2P_SET ",
   8907 		"P2P_UNAUTHORIZE ",
   8908 		"P2P_PRESENCE_REQ ",
   8909 		"P2P_EXT_LISTEN ",
   8910 		"P2P_REMOVE_CLIENT ",
   8911 		"WPS_NFC_TOKEN ",
   8912 		"WPS_NFC_TAG_READ ",
   8913 		"NFC_GET_HANDOVER_SEL ",
   8914 		"NFC_GET_HANDOVER_REQ ",
   8915 		"NFC_REPORT_HANDOVER ",
   8916 		"P2P_ASP_PROVISION ",
   8917 		"P2P_ASP_PROVISION_RESP ",
   8918 		NULL
   8919 	};
   8920 	int found = 0;
   8921 	int i;
   8922 
   8923 	if (global->p2p_init_wpa_s == NULL)
   8924 		return NULL;
   8925 
   8926 	for (i = 0; !found && cmd[i]; i++) {
   8927 		if (os_strcmp(buf, cmd[i]) == 0)
   8928 			found = 1;
   8929 	}
   8930 
   8931 	for (i = 0; !found && prefix[i]; i++) {
   8932 		if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
   8933 			found = 1;
   8934 	}
   8935 
   8936 	if (found)
   8937 		return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
   8938 							 buf, resp_len);
   8939 #endif /* CONFIG_P2P */
   8940 	return NULL;
   8941 }
   8942 
   8943 
   8944 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
   8945 					       char *buf, size_t *resp_len)
   8946 {
   8947 #ifdef CONFIG_WIFI_DISPLAY
   8948 	if (global->p2p_init_wpa_s == NULL)
   8949 		return NULL;
   8950 	if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
   8951 	    os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
   8952 		return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
   8953 							 buf, resp_len);
   8954 #endif /* CONFIG_WIFI_DISPLAY */
   8955 	return NULL;
   8956 }
   8957 
   8958 
   8959 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
   8960 					   char *buf, size_t *resp_len)
   8961 {
   8962 	char *ret;
   8963 
   8964 	ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
   8965 	if (ret)
   8966 		return ret;
   8967 
   8968 	ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
   8969 	if (ret)
   8970 		return ret;
   8971 
   8972 	return NULL;
   8973 }
   8974 
   8975 
   8976 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
   8977 {
   8978 	char *value;
   8979 
   8980 	value = os_strchr(cmd, ' ');
   8981 	if (value == NULL)
   8982 		return -1;
   8983 	*value++ = '\0';
   8984 
   8985 	wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
   8986 
   8987 #ifdef CONFIG_WIFI_DISPLAY
   8988 	if (os_strcasecmp(cmd, "wifi_display") == 0) {
   8989 		wifi_display_enable(global, !!atoi(value));
   8990 		return 0;
   8991 	}
   8992 #endif /* CONFIG_WIFI_DISPLAY */
   8993 
   8994 	/* Restore cmd to its original value to allow redirection */
   8995 	value[-1] = ' ';
   8996 
   8997 	return -1;
   8998 }
   8999 
   9000 
   9001 #ifndef CONFIG_NO_CONFIG_WRITE
   9002 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
   9003 {
   9004 	int ret = 0, saved = 0;
   9005 	struct wpa_supplicant *wpa_s;
   9006 
   9007 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
   9008 		if (!wpa_s->conf->update_config) {
   9009 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
   9010 			continue;
   9011 		}
   9012 
   9013 		if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
   9014 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
   9015 			ret = 1;
   9016 		} else {
   9017 			wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
   9018 			saved++;
   9019 		}
   9020 	}
   9021 
   9022 	if (!saved && !ret) {
   9023 		wpa_dbg(wpa_s, MSG_DEBUG,
   9024 			"CTRL_IFACE: SAVE_CONFIG - No configuration files could be updated");
   9025 		ret = 1;
   9026 	}
   9027 
   9028 	return ret;
   9029 }
   9030 #endif /* CONFIG_NO_CONFIG_WRITE */
   9031 
   9032 
   9033 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
   9034 					 char *buf, size_t buflen)
   9035 {
   9036 	char *pos, *end;
   9037 	int ret;
   9038 	struct wpa_supplicant *wpa_s;
   9039 
   9040 	pos = buf;
   9041 	end = buf + buflen;
   9042 
   9043 #ifdef CONFIG_P2P
   9044 	if (global->p2p && !global->p2p_disabled) {
   9045 		ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
   9046 				  "\n"
   9047 				  "p2p_state=%s\n",
   9048 				  MAC2STR(global->p2p_dev_addr),
   9049 				  p2p_get_state_txt(global->p2p));
   9050 		if (os_snprintf_error(end - pos, ret))
   9051 			return pos - buf;
   9052 		pos += ret;
   9053 	} else if (global->p2p) {
   9054 		ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
   9055 		if (os_snprintf_error(end - pos, ret))
   9056 			return pos - buf;
   9057 		pos += ret;
   9058 	}
   9059 #endif /* CONFIG_P2P */
   9060 
   9061 #ifdef CONFIG_WIFI_DISPLAY
   9062 	ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
   9063 			  !!global->wifi_display);
   9064 	if (os_snprintf_error(end - pos, ret))
   9065 		return pos - buf;
   9066 	pos += ret;
   9067 #endif /* CONFIG_WIFI_DISPLAY */
   9068 
   9069 	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
   9070 		ret = os_snprintf(pos, end - pos, "ifname=%s\n"
   9071 				  "address=" MACSTR "\n",
   9072 				  wpa_s->ifname, MAC2STR(wpa_s->own_addr));
   9073 		if (os_snprintf_error(end - pos, ret))
   9074 			return pos - buf;
   9075 		pos += ret;
   9076 	}
   9077 
   9078 	return pos - buf;
   9079 }
   9080 
   9081 
   9082 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
   9083 						char *buf, size_t *resp_len)
   9084 {
   9085 	char *reply;
   9086 	const int reply_size = 2048;
   9087 	int reply_len;
   9088 	int level = MSG_DEBUG;
   9089 
   9090 	if (os_strncmp(buf, "IFNAME=", 7) == 0) {
   9091 		char *pos = os_strchr(buf + 7, ' ');
   9092 		if (pos) {
   9093 			*pos++ = '\0';
   9094 			return wpas_global_ctrl_iface_ifname(global,
   9095 							     buf + 7, pos,
   9096 							     resp_len);
   9097 		}
   9098 	}
   9099 
   9100 	reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
   9101 	if (reply)
   9102 		return reply;
   9103 
   9104 	if (os_strcmp(buf, "PING") == 0)
   9105 		level = MSG_EXCESSIVE;
   9106 	wpa_hexdump_ascii(level, "RX global ctrl_iface",
   9107 			  (const u8 *) buf, os_strlen(buf));
   9108 
   9109 	reply = os_malloc(reply_size);
   9110 	if (reply == NULL) {
   9111 		*resp_len = 1;
   9112 		return NULL;
   9113 	}
   9114 
   9115 	os_memcpy(reply, "OK\n", 3);
   9116 	reply_len = 3;
   9117 
   9118 	if (os_strcmp(buf, "PING") == 0) {
   9119 		os_memcpy(reply, "PONG\n", 5);
   9120 		reply_len = 5;
   9121 	} else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
   9122 		if (wpa_supplicant_global_iface_add(global, buf + 14))
   9123 			reply_len = -1;
   9124 	} else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
   9125 		if (wpa_supplicant_global_iface_remove(global, buf + 17))
   9126 			reply_len = -1;
   9127 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
   9128 		reply_len = wpa_supplicant_global_iface_list(
   9129 			global, reply, reply_size);
   9130 	} else if (os_strcmp(buf, "INTERFACES") == 0) {
   9131 		reply_len = wpa_supplicant_global_iface_interfaces(
   9132 			global, reply, reply_size);
   9133 	} else if (os_strcmp(buf, "TERMINATE") == 0) {
   9134 		wpa_supplicant_terminate_proc(global);
   9135 	} else if (os_strcmp(buf, "SUSPEND") == 0) {
   9136 		wpas_notify_suspend(global);
   9137 	} else if (os_strcmp(buf, "RESUME") == 0) {
   9138 		wpas_notify_resume(global);
   9139 	} else if (os_strncmp(buf, "SET ", 4) == 0) {
   9140 		if (wpas_global_ctrl_iface_set(global, buf + 4)) {
   9141 #ifdef CONFIG_P2P
   9142 			if (global->p2p_init_wpa_s) {
   9143 				os_free(reply);
   9144 				/* Check if P2P redirection would work for this
   9145 				 * command. */
   9146 				return wpa_supplicant_ctrl_iface_process(
   9147 					global->p2p_init_wpa_s,
   9148 					buf, resp_len);
   9149 			}
   9150 #endif /* CONFIG_P2P */
   9151 			reply_len = -1;
   9152 		}
   9153 #ifndef CONFIG_NO_CONFIG_WRITE
   9154 	} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
   9155 		if (wpas_global_ctrl_iface_save_config(global))
   9156 			reply_len = -1;
   9157 #endif /* CONFIG_NO_CONFIG_WRITE */
   9158 	} else if (os_strcmp(buf, "STATUS") == 0) {
   9159 		reply_len = wpas_global_ctrl_iface_status(global, reply,
   9160 							  reply_size);
   9161 #ifdef CONFIG_MODULE_TESTS
   9162 	} else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
   9163 		int wpas_module_tests(void);
   9164 		if (wpas_module_tests() < 0)
   9165 			reply_len = -1;
   9166 #endif /* CONFIG_MODULE_TESTS */
   9167 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
   9168 		if (wpa_debug_reopen_file() < 0)
   9169 			reply_len = -1;
   9170 	} else {
   9171 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
   9172 		reply_len = 16;
   9173 	}
   9174 
   9175 	if (reply_len < 0) {
   9176 		os_memcpy(reply, "FAIL\n", 5);
   9177 		reply_len = 5;
   9178 	}
   9179 
   9180 	*resp_len = reply_len;
   9181 	return reply;
   9182 }
   9183