text: /*
   * WPA Supplicant / Configuration backend: text file
   * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
   *
   * This software may be distributed under the terms of the BSD license.
   * See README for more details.
   *
   * This file implements a configuration backend for text files. All the
   * configuration information is stored in a text file that uses a format
   * described in the sample configuration file, wpa_supplicant.conf.
   */
  
  #include "includes.h"
  
  #include <sys/stat.h>
  
  #include "common.h"
  #include "config.h"
  #include "base64.h"
  #include "uuid.h"
  #include "p2p/p2p.h"
  #include "eap_peer/eap_methods.h"
  #include "eap_peer/eap.h"
  
  static int newline_terminated(const char *buf, size_t buflen)
  {
  	size_t len = os_strlen(buf);
  	if (len == 0) {
  		return 0;
  	}
  	if (len == buflen - 1 && buf[buflen - 1] != '\r' && buf[len - 1] != '\n') {
  		return 0;
  	}
  	return 1;
  }
  
  static void skip_line_end(FILE *stream)
  {
  	char buf[100];
  	while (fgets(buf, sizeof(buf), stream)) {
  		buf[sizeof(buf) - 1] = '\0';
  		if (newline_terminated(buf, sizeof(buf))) {
  			return;
  		}
  	}
  }
  
  /**
   * wpa_config_get_line - Read the next configuration file line
   * @s: Buffer for the line
   * @size: The buffer length
   * @stream: File stream to read from
   * @line: Pointer to a variable storing the file line number
   * @_pos: Buffer for the pointer to the beginning of data on the text line or
   * %NULL if not needed (returned value used instead)
   * Returns: Pointer to the beginning of data on the text line or %NULL if no
   * more text lines are available.
   *
   * This function reads the next non-empty line from the configuration file and
   * removes comments. The returned string is guaranteed to be null-terminated.
   */
  static char *wpa_config_get_line(char *s, int size, FILE *stream, int *line, char **_pos)
  {
  	char *pos, *end, *sstart;
  
  	while (fgets(s, size, stream)) {
  		(*line)++;
  		s[size - 1] = '\0';
  		if (!newline_terminated(s, size)) {
  			/*
  			 * The line was truncated - skip rest of it to avoid
  			 * confusing error messages.
  			 */
  			wpa_printf(MSG_INFO, "Long line in configuration file " "truncated");
  			skip_line_end(stream);
  		}
  		pos = s;
  
  		/* Skip white space from the beginning of line. */
  		while (*pos == ' ' || *pos == '\t' || *pos == '\r') {
  			pos++;
  		}
  
  		/* Skip comment lines and empty lines */
  		if (*pos == '#' || *pos == '\n' || *pos == '\0') {
  			continue;
  		}
  
  		/*
  		 * Remove # comments unless they are within a double quoted
  		 * string.
  		 */
  		sstart = os_strchr(pos, '"');
  		if (sstart) {
  			sstart = os_strrchr(sstart + 1, '"');
  		}
  		if (!sstart) {
  			sstart = pos;
  		}
  		end = os_strchr(sstart, '#');
  		if (end) {
  			*end-- = '\0';
  		} else {
  			end = pos + os_strlen(pos) - 1;
  		}
  
  		/* Remove trailing white space. */
  		while (end > pos && (*end == '\n' || *end == ' ' || *end == '\t' || *end == '\r')) {
  			*end-- = '\0';
  		}
  
  		if (*pos == '\0') {
  			continue;
  		}
  
  		if (_pos) {
  			*_pos = pos;
  		}
  		return pos;
  	}
  
  	if (_pos) {
  		*_pos = NULL;
  	}
  	return NULL;
  }
  
  static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
  {
  	int errors = 0;
  
  	if (ssid->passphrase) {
  		if (ssid->psk_set) {
  			wpa_printf(MSG_ERROR, "Line %d: both PSK and " "passphrase configured.", line);
  			errors++;
  		}
  		wpa_config_update_psk(ssid);
  	}
  
  	if ((ssid->group_cipher & WPA_CIPHER_CCMP) && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
  		/* Group cipher cannot be stronger than the pairwise cipher. */
  		wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher" " list since it was not allowed for pairwise " "cipher", line);
  		ssid->group_cipher &= ~WPA_CIPHER_CCMP;
  	}
  
  	if (ssid->mode == WPAS_MODE_MESH && (ssid->key_mgmt != WPA_KEY_MGMT_NONE && ssid->key_mgmt != WPA_KEY_MGMT_SAE)) {
  		wpa_printf(MSG_ERROR, "Line %d: key_mgmt for mesh network should be open or SAE", line);
  		errors++;
  	}
  
  	return errors;
  }
  
  static struct wpa_ssid *wpa_config_read_network(FILE *f, int *line, int id)
  {
  	struct wpa_ssid *ssid;
  	int errors = 0, end = 0;
  	char buf[2000], *pos, *pos2;
  
  	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block", *line);
  	ssid = os_zalloc(sizeof(*ssid));
  	if (ssid == NULL) {
  		return NULL;
  	}
  	dl_list_init(&ssid->psk_list);
  	ssid->id = id;
  
  	wpa_config_set_network_defaults(ssid);
  
  	while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
  		if (os_strcmp(pos, "}") == 0) {
  			end = 1;
  			break;
  		}
  
  		pos2 = os_strchr(pos, '=');
  		if (pos2 == NULL) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line " "'%s'.", *line, pos);
  			errors++;
  			continue;
  		}
  
  		*pos2++ = '\0';
  		if (*pos2 == '"') {
  			if (os_strchr(pos2 + 1, '"') == NULL) {
  				wpa_printf(MSG_ERROR, "Line %d: invalid " "quotation '%s'.", *line, pos2);
  				errors++;
  				continue;
  			}
  		}
  
  		if (wpa_config_set(ssid, pos, pos2, *line) < 0) {
  			errors++;
  		}
  	}
  
  	if (!end) {
  		wpa_printf(MSG_ERROR, "Line %d: network block was not " "terminated properly.", *line);
  		errors++;
  	}
  
  	errors += wpa_config_validate_network(ssid, *line);
  
  	if (errors) {
  		wpa_config_free_ssid(ssid);
  		ssid = NULL;
  	}
  
  	return ssid;
  }
  
  static struct wpa_cred *wpa_config_read_cred(FILE *f, int *line, int id)
  {
  	struct wpa_cred *cred;
  	int errors = 0, end = 0;
  	char buf[256], *pos, *pos2;
  
  	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line);
  	cred = os_zalloc(sizeof(*cred));
  	if (cred == NULL) {
  		return NULL;
  	}
  	cred->id = id;
  	cred->sim_num = DEFAULT_USER_SELECTED_SIM;
  
  	while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
  		if (os_strcmp(pos, "}") == 0) {
  			end = 1;
  			break;
  		}
  
  		pos2 = os_strchr(pos, '=');
  		if (pos2 == NULL) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid cred line " "'%s'.", *line, pos);
  			errors++;
  			continue;
  		}
  
  		*pos2++ = '\0';
  		if (*pos2 == '"') {
  			if (os_strchr(pos2 + 1, '"') == NULL) {
  				wpa_printf(MSG_ERROR, "Line %d: invalid " "quotation '%s'.", *line, pos2);
  				errors++;
  				continue;
  			}
  		}
  
  		if (wpa_config_set_cred(cred, pos, pos2, *line) < 0) {
  			errors++;
  		}
  	}
  
  	if (!end) {
  		wpa_printf(MSG_ERROR, "Line %d: cred block was not " "terminated properly.", *line);
  		errors++;
  	}
  
  	if (errors) {
  		wpa_config_free_cred(cred);
  		cred = NULL;
  	}
  
  	return cred;
  }
  
  #ifndef CONFIG_NO_CONFIG_BLOBS
  static struct wpa_config_blob *wpa_config_read_blob(FILE *f, int *line, const char *name)
  {
  	struct wpa_config_blob *blob;
  	char buf[256], *pos;
  	unsigned char *encoded = NULL, *nencoded;
  	int end = 0;
  	size_t encoded_len = 0, len;
  
  	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'", *line, name);
  
  	while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
  		if (os_strcmp(pos, "}") == 0) {
  			end = 1;
  			break;
  		}
  
  		len = os_strlen(pos);
  		nencoded = os_realloc(encoded, encoded_len + len);
  		if (nencoded == NULL) {
  			wpa_printf(MSG_ERROR, "Line %d: not enough memory for " "blob", *line);
  			os_free(encoded);
  			return NULL;
  		}
  		encoded = nencoded;
  		os_memcpy(encoded + encoded_len, pos, len);
  		encoded_len += len;
  	}
  
  	if (!end) {
  		wpa_printf(MSG_ERROR, "Line %d: blob was not terminated " "properly", *line);
  		os_free(encoded);
  		return NULL;
  	}
  
  	blob = os_zalloc(sizeof(*blob));
  	if (blob == NULL) {
  		os_free(encoded);
  		return NULL;
  	}
  	blob->name = os_strdup(name);
  	blob->data = base64_decode(encoded, encoded_len, &blob->len);
  	os_free(encoded);
  
  	if (blob->name == NULL || blob->data == NULL) {
  		wpa_config_free_blob(blob);
  		return NULL;
  	}
  
  	return blob;
  }
  
  static int wpa_config_process_blob(struct wpa_config *config, FILE *f, int *line, char *bname)
  {
  	char *name_end;
  	struct wpa_config_blob *blob;
  
  	name_end = os_strchr(bname, '=');
  	if (name_end == NULL) {
  		wpa_printf(MSG_ERROR, "Line %d: no blob name terminator", *line);
  		return -1;
  	}
  	*name_end = '\0';
  
  	blob = wpa_config_read_blob(f, line, bname);
  	if (blob == NULL) {
  		wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s", *line, bname);
  		return -1;
  	}
  	wpa_config_set_blob(config, blob);
  	return 0;
  }
  #endif							/* CONFIG_NO_CONFIG_BLOBS */
  
  struct wpa_config *wpa_config_read(const char *name, struct wpa_config *cfgp)
  {
  	FILE *f;
  	char buf[512], *pos;
  	int errors = 0, line = 0;
  	struct wpa_ssid *ssid, *tail, *head;
  	struct wpa_cred *cred, *cred_tail, *cred_head;
  	struct wpa_config *config;
  	int id = 0;
  	int cred_id = 0;
  
  	if (name == NULL) {
  		return NULL;
  	}
  	if (cfgp) {
  		config = cfgp;
  	} else {
  		config = wpa_config_alloc_empty(NULL, NULL);
  	}
  	if (config == NULL) {
  		wpa_printf(MSG_ERROR, "Failed to allocate config file " "structure");
  		return NULL;
  	}
  	tail = head = config->ssid;
  	while (tail && tail->next) {
  		tail = tail->next;
  	}
  	cred_tail = cred_head = config->cred;
  	while (cred_tail && cred_tail->next) {
  		cred_tail = cred_tail->next;
  	}
  
  	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
  	f = fopen(name, "r");
  	if (f == NULL) {
  		wpa_printf(MSG_ERROR, "Failed to open config file '%s', " "error: %s", name, strerror(errno));
  		os_free(config);
  		return NULL;
  	}
  
  	while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
  		if (os_strcmp(pos, "network={") == 0) {
  			ssid = wpa_config_read_network(f, &line, id++);
  			if (ssid == NULL) {
  				wpa_printf(MSG_ERROR, "Line %d: failed to " "parse network block.", line);
  				errors++;
  				continue;
  			}
  			if (head == NULL) {
  				head = tail = ssid;
  			} else {
  				tail->next = ssid;
  				tail = ssid;
  			}
  			if (wpa_config_add_prio_network(config, ssid)) {
  				wpa_printf(MSG_ERROR, "Line %d: failed to add " "network block to priority list.", line);
  				errors++;
  				continue;
  			}
  		} else if (os_strcmp(pos, "cred={") == 0) {
  			cred = wpa_config_read_cred(f, &line, cred_id++);
  			if (cred == NULL) {
  				wpa_printf(MSG_ERROR, "Line %d: failed to " "parse cred block.", line);
  				errors++;
  				continue;
  			}
  			if (cred_head == NULL) {
  				cred_head = cred_tail = cred;
  			} else {
  				cred_tail->next = cred;
  				cred_tail = cred;
  			}
  #ifndef CONFIG_NO_CONFIG_BLOBS
  		} else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
  			if (wpa_config_process_blob(config, f, &line, pos + 12)
  				< 0) {
  				wpa_printf(MSG_ERROR, "Line %d: failed to " "process blob.", line);
  				errors++;
  				continue;
  			}
  #endif							/* CONFIG_NO_CONFIG_BLOBS */
  		} else if (wpa_config_process_global(config, pos, line) < 0) {
  			wpa_printf(MSG_ERROR, "Line %d: Invalid configuration " "line '%s'.", line, pos);
  			errors++;
  			continue;
  		}
  	}
  
  	fclose(f);
  
  	config->ssid = head;
  	wpa_config_debug_dump_networks(config);
  	config->cred = cred_head;
  
  #ifndef WPA_IGNORE_CONFIG_ERRORS
  	if (errors) {
  		wpa_config_free(config);
  		config = NULL;
  		head = NULL;
  	}
  #endif							/* WPA_IGNORE_CONFIG_ERRORS */
  
  	return config;
  }
  
  #ifndef CONFIG_NO_CONFIG_WRITE
  
  static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
  {
  	char *value = wpa_config_get(ssid, field);
  	if (value == NULL) {
  		return;
  	}
  	fprintf(f, "\t%s=%s\n", field, value);
  	os_free(value);
  }
  
  static void write_int(FILE *f, const char *field, int value, int def)
  {
  	if (value == def) {
  		return;
  	}
  	fprintf(f, "\t%s=%d\n", field, value);
  }
  
  static void write_bssid(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value = wpa_config_get(ssid, "bssid");
  	if (value == NULL) {
  		return;
  	}
  	fprintf(f, "\tbssid=%s\n", value);
  	os_free(value);
  }
  
  static void write_psk(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (ssid->mem_only_psk) {
  		return;
  	}
  
  	value = wpa_config_get(ssid, "psk");
  	if (value == NULL) {
  		return;
  	}
  	fprintf(f, "\tpsk=%s\n", value);
  	os_free(value);
  }
  
  static void write_proto(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (ssid->proto == DEFAULT_PROTO) {
  		return;
  	}
  
  	value = wpa_config_get(ssid, "proto");
  	if (value == NULL) {
  		return;
  	}
  	if (value[0]) {
  		fprintf(f, "\tproto=%s\n", value);
  	}
  	os_free(value);
  }
  
  static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (ssid->key_mgmt == DEFAULT_KEY_MGMT) {
  		return;
  	}
  
  	value = wpa_config_get(ssid, "key_mgmt");
  	if (value == NULL) {
  		return;
  	}
  	if (value[0]) {
  		fprintf(f, "\tkey_mgmt=%s\n", value);
  	}
  	os_free(value);
  }
  
  static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) {
  		return;
  	}
  
  	value = wpa_config_get(ssid, "pairwise");
  	if (value == NULL) {
  		return;
  	}
  	if (value[0]) {
  		fprintf(f, "\tpairwise=%s\n", value);
  	}
  	os_free(value);
  }
  
  static void write_group(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (ssid->group_cipher == DEFAULT_GROUP) {
  		return;
  	}
  
  	value = wpa_config_get(ssid, "group");
  	if (value == NULL) {
  		return;
  	}
  	if (value[0]) {
  		fprintf(f, "\tgroup=%s\n", value);
  	}
  	os_free(value);
  }
  
  static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (ssid->auth_alg == 0) {
  		return;
  	}
  
  	value = wpa_config_get(ssid, "auth_alg");
  	if (value == NULL) {
  		return;
  	}
  	if (value[0]) {
  		fprintf(f, "\tauth_alg=%s\n", value);
  	}
  	os_free(value);
  }
  
  #ifdef IEEE8021X_EAPOL
  static void write_eap(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	value = wpa_config_get(ssid, "eap");
  	if (value == NULL) {
  		return;
  	}
  
  	if (value[0]) {
  		fprintf(f, "\teap=%s\n", value);
  	}
  	os_free(value);
  }
  #endif							/* IEEE8021X_EAPOL */
  
  static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
  {
  	char field[20], *value;
  	int res;
  
  	res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
  	if (os_snprintf_error(sizeof(field), res)) {
  		return;
  	}
  	value = wpa_config_get(ssid, field);
  	if (value) {
  		fprintf(f, "\t%s=%s\n", field, value);
  		os_free(value);
  	}
  }
  
  #ifdef CONFIG_P2P
  
  static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value = wpa_config_get(ssid, "go_p2p_dev_addr");
  	if (value == NULL) {
  		return;
  	}
  	fprintf(f, "\tgo_p2p_dev_addr=%s\n", value);
  	os_free(value);
  }
  
  static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value = wpa_config_get(ssid, "p2p_client_list");
  	if (value == NULL) {
  		return;
  	}
  	fprintf(f, "\tp2p_client_list=%s\n", value);
  	os_free(value);
  }
  
  static void write_psk_list(FILE *f, struct wpa_ssid *ssid)
  {
  	struct psk_list_entry *psk;
  	char hex[32 * 2 + 1];
  
  	dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) {
  		wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk));
  		fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n", psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex);
  	}
  }
  
  #endif							/* CONFIG_P2P */
  
  static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
  {
  	int i;
  
  #define STR(t) write_str(f, #t, ssid)
  #define INT(t) write_int(f, #t, ssid->t, 0)
  #define INTe(t) write_int(f, #t, ssid->eap.t, 0)
  #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
  #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
  
  	STR(ssid);
  	INT(scan_ssid);
  	write_bssid(f, ssid);
  	write_str(f, "bssid_blacklist", ssid);
  	write_str(f, "bssid_whitelist", ssid);
  	write_psk(f, ssid);
  	INT(mem_only_psk);
  	write_proto(f, ssid);
  	write_key_mgmt(f, ssid);
  	INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD);
  	write_pairwise(f, ssid);
  	write_group(f, ssid);
  	write_auth_alg(f, ssid);
  	STR(bgscan);
  	STR(autoscan);
  	STR(scan_freq);
  #ifdef IEEE8021X_EAPOL
  	write_eap(f, ssid);
  	STR(identity);
  	STR(anonymous_identity);
  	STR(password);
  	STR(ca_cert);
  	STR(ca_path);
  	STR(client_cert);
  	STR(private_key);
  	STR(private_key_passwd);
  	STR(dh_file);
  	STR(subject_match);
  	STR(altsubject_match);
  	STR(domain_suffix_match);
  	STR(domain_match);
  	STR(ca_cert2);
  	STR(ca_path2);
  	STR(client_cert2);
  	STR(private_key2);
  	STR(private_key2_passwd);
  	STR(dh_file2);
  	STR(subject_match2);
  	STR(altsubject_match2);
  	STR(domain_suffix_match2);
  	STR(domain_match2);
  	STR(phase1);
  	STR(phase2);
  	STR(pcsc);
  	STR(pin);
  	STR(engine_id);
  	STR(key_id);
  	STR(cert_id);
  	STR(ca_cert_id);
  	STR(key2_id);
  	STR(pin2);
  	STR(engine2_id);
  	STR(cert2_id);
  	STR(ca_cert2_id);
  	INTe(engine);
  	INTe(engine2);
  	INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
  	STR(openssl_ciphers);
  	INTe(erp);
  #endif							/* IEEE8021X_EAPOL */
  	for (i = 0; i < 4; i++) {
  		write_wep_key(f, i, ssid);
  	}
  	INT(wep_tx_keyidx);
  	INT(priority);
  #ifdef IEEE8021X_EAPOL
  	INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
  	STR(pac_file);
  	INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
  	INTe(ocsp);
  	INT_DEFe(sim_num, DEFAULT_USER_SELECTED_SIM);
  #endif							/* IEEE8021X_EAPOL */
  	INT(mode);
  	INT(no_auto_peer);
  	INT(frequency);
  	INT(fixed_freq);
  	write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
  	INT(disabled);
  	INT(peerkey);
  	INT(mixed_cell);
  #ifdef CONFIG_IEEE80211W
  	write_int(f, "ieee80211w", ssid->ieee80211w, MGMT_FRAME_PROTECTION_DEFAULT);
  #endif							/* CONFIG_IEEE80211W */
  	STR(id_str);
  #ifdef CONFIG_P2P
  	write_go_p2p_dev_addr(f, ssid);
  	write_p2p_client_list(f, ssid);
  	write_psk_list(f, ssid);
  #endif							/* CONFIG_P2P */
  	INT(ap_max_inactivity);
  	INT(dtim_period);
  	INT(beacon_int);
  #ifdef CONFIG_MACSEC
  	INT(macsec_policy);
  #endif							/* CONFIG_MACSEC */
  #ifdef CONFIG_HS20
  	INT(update_identifier);
  #endif							/* CONFIG_HS20 */
  	write_int(f, "mac_addr", ssid->mac_addr, -1);
  #ifdef CONFIG_MESH
  	STR(mesh_basic_rates);
  	INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES);
  	INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT);
  	INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT);
  	INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT);
  #endif							/* CONFIG_MESH */
  	INT(wpa_ptk_rekey);
  	INT(ignore_broadcast_ssid);
  #ifdef CONFIG_HT_OVERRIDES
  	INT_DEF(disable_ht, DEFAULT_DISABLE_HT);
  	INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40);
  	INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI);
  	INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC);
  	INT(ht40_intolerant);
  	INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU);
  	INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR);
  	INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY);
  	STR(ht_mcs);
  #endif							/* CONFIG_HT_OVERRIDES */
  #ifdef CONFIG_VHT_OVERRIDES
  	INT(disable_vht);
  	INT(vht_capa);
  	INT(vht_capa_mask);
  	INT_DEF(vht_rx_mcs_nss_1, -1);
  	INT_DEF(vht_rx_mcs_nss_2, -1);
  	INT_DEF(vht_rx_mcs_nss_3, -1);
  	INT_DEF(vht_rx_mcs_nss_4, -1);
  	INT_DEF(vht_rx_mcs_nss_5, -1);
  	INT_DEF(vht_rx_mcs_nss_6, -1);
  	INT_DEF(vht_rx_mcs_nss_7, -1);
  	INT_DEF(vht_rx_mcs_nss_8, -1);
  	INT_DEF(vht_tx_mcs_nss_1, -1);
  	INT_DEF(vht_tx_mcs_nss_2, -1);
  	INT_DEF(vht_tx_mcs_nss_3, -1);
  	INT_DEF(vht_tx_mcs_nss_4, -1);
  	INT_DEF(vht_tx_mcs_nss_5, -1);
  	INT_DEF(vht_tx_mcs_nss_6, -1);
  	INT_DEF(vht_tx_mcs_nss_7, -1);
  	INT_DEF(vht_tx_mcs_nss_8, -1);
  #endif							/* CONFIG_VHT_OVERRIDES */
  
  #undef STR
  #undef INT
  #undef INT_DEF
  }
  
  static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
  {
  	size_t i;
  
  	if (cred->priority) {
  		fprintf(f, "\tpriority=%d\n", cred->priority);
  	}
  	if (cred->pcsc) {
  		fprintf(f, "\tpcsc=%d\n", cred->pcsc);
  	}
  	if (cred->realm) {
  		fprintf(f, "\trealm=\"%s\"\n", cred->realm);
  	}
  	if (cred->username) {
  		fprintf(f, "\tusername=\"%s\"\n", cred->username);
  	}
  	if (cred->password && cred->ext_password) {
  		fprintf(f, "\tpassword=ext:%s\n", cred->password);
  	} else if (cred->password) {
  		fprintf(f, "\tpassword=\"%s\"\n", cred->password);
  	}
  	if (cred->ca_cert) {
  		fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert);
  	}
  	if (cred->client_cert) {
  		fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert);
  	}
  	if (cred->private_key) {
  		fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key);
  	}
  	if (cred->private_key_passwd) {
  		fprintf(f, "\tprivate_key_passwd=\"%s\"\n", cred->private_key_passwd);
  	}
  	if (cred->imsi) {
  		fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
  	}
  	if (cred->milenage) {
  		fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
  	}
  	for (i = 0; i < cred->num_domain; i++) {
  		fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]);
  	}
  	if (cred->domain_suffix_match) {
  		fprintf(f, "\tdomain_suffix_match=\"%s\"\n", cred->domain_suffix_match);
  	}
  	if (cred->roaming_consortium_len) {
  		fprintf(f, "\troaming_consortium=");
  		for (i = 0; i < cred->roaming_consortium_len; i++) {
  			fprintf(f, "%02x", cred->roaming_consortium[i]);
  		}
  		fprintf(f, "\n");
  	}
  	if (cred->eap_method) {
  		const char *name;
  		name = eap_get_name(cred->eap_method[0].vendor, cred->eap_method[0].method);
  		if (name) {
  			fprintf(f, "\teap=%s\n", name);
  		}
  	}
  	if (cred->phase1) {
  		fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
  	}
  	if (cred->phase2) {
  		fprintf(f, "\tphase2=\"%s\"\n", cred->phase2);
  	}
  	if (cred->excluded_ssid) {
  		size_t j;
  		for (i = 0; i < cred->num_excluded_ssid; i++) {
  			struct excluded_ssid *e = &cred->excluded_ssid[i];
  			fprintf(f, "\texcluded_ssid=");
  			for (j = 0; j < e->ssid_len; j++) {
  				fprintf(f, "%02x", e->ssid[j]);
  			}
  			fprintf(f, "\n");
  		}
  	}
  	if (cred->roaming_partner) {
  		for (i = 0; i < cred->num_roaming_partner; i++) {
  			struct roaming_partner *p = &cred->roaming_partner[i];
  			fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n", p->fqdn, p->exact_match, p->priority, p->country);
  		}
  	}
  	if (cred->update_identifier) {
  		fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier);
  	}
  
  	if (cred->provisioning_sp) {
  		fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp);
  	}
  	if (cred->sp_priority) {
  		fprintf(f, "\tsp_priority=%d\n", cred->sp_priority);
  	}
  
  	if (cred->min_dl_bandwidth_home) {
  		fprintf(f, "\tmin_dl_bandwidth_home=%u\n", cred->min_dl_bandwidth_home);
  	}
  	if (cred->min_ul_bandwidth_home) {
  		fprintf(f, "\tmin_ul_bandwidth_home=%u\n", cred->min_ul_bandwidth_home);
  	}
  	if (cred->min_dl_bandwidth_roaming) {
  		fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n", cred->min_dl_bandwidth_roaming);
  	}
  	if (cred->min_ul_bandwidth_roaming) {
  		fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n", cred->min_ul_bandwidth_roaming);
  	}
  
  	if (cred->max_bss_load) {
  		fprintf(f, "\tmax_bss_load=%u\n", cred->max_bss_load);
  	}
  
  	if (cred->ocsp) {
  		fprintf(f, "\tocsp=%d\n", cred->ocsp);
  	}
  
  	if (cred->num_req_conn_capab) {
  		for (i = 0; i < cred->num_req_conn_capab; i++) {
  			int *ports;
  
  			fprintf(f, "\treq_conn_capab=%u", cred->req_conn_capab_proto[i]);
  			ports = cred->req_conn_capab_port[i];
  			if (ports) {
  				int j;
  				for (j = 0; ports[j] != -1; j++) {
  					fprintf(f, "%s%d", j > 0 ? "," : ":", ports[j]);
  				}
  			}
  			fprintf(f, "\n");
  		}
  	}
  
  	if (cred->required_roaming_consortium_len) {
  		fprintf(f, "\trequired_roaming_consortium=");
  		for (i = 0; i < cred->required_roaming_consortium_len; i++) {
  			fprintf(f, "%02x", cred->required_roaming_consortium[i]);
  		}
  		fprintf(f, "\n");
  	}
  
  	if (cred->sim_num != DEFAULT_USER_SELECTED_SIM) {
  		fprintf(f, "\tsim_num=%d\n", cred->sim_num);
  	}
  }
  
  #ifndef CONFIG_NO_CONFIG_BLOBS
  static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
  {
  	unsigned char *encoded;
  
  	encoded = base64_encode(blob->data, blob->len, NULL);
  	if (encoded == NULL) {
  		return -1;
  	}
  
  	fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
  	os_free(encoded);
  	return 0;
  }
  #endif							/* CONFIG_NO_CONFIG_BLOBS */
  
  static void write_global_bin(FILE *f, const char *field, const struct wpabuf *val)
  {
  	size_t i;
  	const u8 *pos;
  
  	if (val == NULL) {
  		return;
  	}
  
  	fprintf(f, "%s=", field);
  	pos = wpabuf_head(val);
  	for (i = 0; i < wpabuf_len(val); i++) {
  		fprintf(f, "%02X", *pos++);
  	}
  	fprintf(f, "\n");
  }
  
  static void wpa_config_write_global(FILE *f, struct wpa_config *config)
  {
  #ifdef CONFIG_CTRL_IFACE
  	if (config->ctrl_interface) {
  		fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
  	}
  	if (config->ctrl_interface_group) {
  		fprintf(f, "ctrl_interface_group=%s\n", config->ctrl_interface_group);
  	}
  #endif							/* CONFIG_CTRL_IFACE */
  	if (config->eapol_version != DEFAULT_EAPOL_VERSION) {
  		fprintf(f, "eapol_version=%d\n", config->eapol_version);
  	}
  	if (config->ap_scan != DEFAULT_AP_SCAN) {
  		fprintf(f, "ap_scan=%d\n", config->ap_scan);
  	}
  	if (config->disable_scan_offload) {
  		fprintf(f, "disable_scan_offload=%d\n", config->disable_scan_offload);
  	}
  	if (config->fast_reauth != DEFAULT_FAST_REAUTH) {
  		fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
  	}
  	if (config->opensc_engine_path) {
  		fprintf(f, "opensc_engine_path=%s\n", config->opensc_engine_path);
  	}
  	if (config->pkcs11_engine_path) {
  		fprintf(f, "pkcs11_engine_path=%s\n", config->pkcs11_engine_path);
  	}
  	if (config->pkcs11_module_path) {
  		fprintf(f, "pkcs11_module_path=%s\n", config->pkcs11_module_path);
  	}
  	if (config->openssl_ciphers) {
  		fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers);
  	}
  	if (config->pcsc_reader) {
  		fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader);
  	}
  	if (config->pcsc_pin) {
  		fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin);
  	}
  	if (config->driver_param) {
  		fprintf(f, "driver_param=%s\n", config->driver_param);
  	}
  	if (config->dot11RSNAConfigPMKLifetime) {
  		fprintf(f, "dot11RSNAConfigPMKLifetime=%u\n", config->dot11RSNAConfigPMKLifetime);
  	}
  	if (config->dot11RSNAConfigPMKReauthThreshold) {
  		fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%u\n", config->dot11RSNAConfigPMKReauthThreshold);
  	}
  	if (config->dot11RSNAConfigSATimeout) {
  		fprintf(f, "dot11RSNAConfigSATimeout=%u\n", config->dot11RSNAConfigSATimeout);
  	}
  	if (config->update_config) {
  		fprintf(f, "update_config=%d\n", config->update_config);
  	}
  #ifdef CONFIG_WPS
  	if (!is_nil_uuid(config->uuid)) {
  		char buf[40];
  		uuid_bin2str(config->uuid, buf, sizeof(buf));
  		fprintf(f, "uuid=%s\n", buf);
  	}
  	if (config->device_name) {
  		fprintf(f, "device_name=%s\n", config->device_name);
  	}
  	if (config->manufacturer) {
  		fprintf(f, "manufacturer=%s\n", config->manufacturer);
  	}
  	if (config->model_name) {
  		fprintf(f, "model_name=%s\n", config->model_name);
  	}
  	if (config->model_number) {
  		fprintf(f, "model_number=%s\n", config->model_number);
  	}
  	if (config->serial_number) {
  		fprintf(f, "serial_number=%s\n", config->serial_number);
  	}
  	{
  		char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
  		buf = wps_dev_type_bin2str(config->device_type, _buf, sizeof(_buf));
  		if (os_strcmp(buf, "0-00000000-0") != 0) {
  			fprintf(f, "device_type=%s\n", buf);
  		}
  	}
  	if (WPA_GET_BE32(config->os_version)) {
  		fprintf(f, "os_version=%08x\n", WPA_GET_BE32(config->os_version));
  	}
  	if (config->config_methods) {
  		fprintf(f, "config_methods=%s\n", config->config_methods);
  	}
  	if (config->wps_cred_processing) {
  		fprintf(f, "wps_cred_processing=%d\n", config->wps_cred_processing);
  	}
  	if (config->wps_vendor_ext_m1) {
  		int i, len = wpabuf_len(config->wps_vendor_ext_m1);
  		const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1);
  		if (len > 0) {
  			fprintf(f, "wps_vendor_ext_m1=");
  			for (i = 0; i < len; i++) {
  				fprintf(f, "%02x", *p++);
  			}
  			fprintf(f, "\n");
  		}
  	}
  #endif							/* CONFIG_WPS */
  #ifdef CONFIG_P2P
  	if (config->p2p_listen_reg_class) {
  		fprintf(f, "p2p_listen_reg_class=%d\n", config->p2p_listen_reg_class);
  	}
  	if (config->p2p_listen_channel) {
  		fprintf(f, "p2p_listen_channel=%d\n", config->p2p_listen_channel);
  	}
  	if (config->p2p_oper_reg_class) {
  		fprintf(f, "p2p_oper_reg_class=%d\n", config->p2p_oper_reg_class);
  	}
  	if (config->p2p_oper_channel) {
  		fprintf(f, "p2p_oper_channel=%d\n", config->p2p_oper_channel);
  	}
  	if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT) {
  		fprintf(f, "p2p_go_intent=%d\n", config->p2p_go_intent);
  	}
  	if (config->p2p_ssid_postfix) {
  		fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix);
  	}
  	if (config->persistent_reconnect) {
  		fprintf(f, "persistent_reconnect=%d\n", config->persistent_reconnect);
  	}
  	if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS) {
  		fprintf(f, "p2p_intra_bss=%d\n", config->p2p_intra_bss);
  	}
  	if (config->p2p_group_idle) {
  		fprintf(f, "p2p_group_idle=%d\n", config->p2p_group_idle);
  	}
  	if (config->p2p_passphrase_len) {
  		fprintf(f, "p2p_passphrase_len=%u\n", config->p2p_passphrase_len);
  	}
  	if (config->p2p_pref_chan) {
  		unsigned int i;
  		fprintf(f, "p2p_pref_chan=");
  		for (i = 0; i < config->num_p2p_pref_chan; i++) {
  			fprintf(f, "%s%u:%u", i > 0 ? "," : "", config->p2p_pref_chan[i].op_class, config->p2p_pref_chan[i].chan);
  		}
  		fprintf(f, "\n");
  	}
  	if (config->p2p_no_go_freq.num) {
  		char *val = freq_range_list_str(&config->p2p_no_go_freq);
  		if (val) {
  			fprintf(f, "p2p_no_go_freq=%s\n", val);
  			os_free(val);
  		}
  	}
  	if (config->p2p_add_cli_chan) {
  		fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan);
  	}
  	if (config->p2p_optimize_listen_chan != DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN) {
  		fprintf(f, "p2p_optimize_listen_chan=%d\n", config->p2p_optimize_listen_chan);
  	}
  	if (config->p2p_go_ht40) {
  		fprintf(f, "p2p_go_ht40=%d\n", config->p2p_go_ht40);
  	}
  	if (config->p2p_go_vht) {
  		fprintf(f, "p2p_go_vht=%d\n", config->p2p_go_vht);
  	}
  	if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW) {
  		fprintf(f, "p2p_go_ctwindow=%d\n", config->p2p_go_ctwindow);
  	}
  	if (config->p2p_disabled) {
  		fprintf(f, "p2p_disabled=%d\n", config->p2p_disabled);
  	}
  	if (config->p2p_no_group_iface) {
  		fprintf(f, "p2p_no_group_iface=%d\n", config->p2p_no_group_iface);
  	}
  	if (config->p2p_ignore_shared_freq) {
  		fprintf(f, "p2p_ignore_shared_freq=%d\n", config->p2p_ignore_shared_freq);
  	}
  	if (config->p2p_cli_probe) {
  		fprintf(f, "p2p_cli_probe=%d\n", config->p2p_cli_probe);
  	}
  #endif							/* CONFIG_P2P */
  	if (config->country[0] && config->country[1]) {
  		fprintf(f, "country=%c%c\n", config->country[0], config->country[1]);
  	}
  	if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT) {
  		fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
  	}
  	if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE) {
  		fprintf(f, "bss_expiration_age=%u\n", config->bss_expiration_age);
  	}
  	if (config->bss_expiration_scan_count != DEFAULT_BSS_EXPIRATION_SCAN_COUNT) {
  		fprintf(f, "bss_expiration_scan_count=%u\n", config->bss_expiration_scan_count);
  	}
  	if (config->filter_ssids) {
  		fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
  	}
  	if (config->max_num_sta != DEFAULT_MAX_NUM_STA) {
  		fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
  	}
  	if (config->disassoc_low_ack) {
  		fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack);
  	}
  #ifdef CONFIG_HS20
  	if (config->hs20) {
  		fprintf(f, "hs20=1\n");
  	}
  #endif							/* CONFIG_HS20 */
  #ifdef CONFIG_INTERWORKING
  	if (config->interworking) {
  		fprintf(f, "interworking=%d\n", config->interworking);
  	}
  	if (!is_zero_ether_addr(config->hessid)) {
  		fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid));
  	}
  	if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE) {
  		fprintf(f, "access_network_type=%d\n", config->access_network_type);
  	}
  #endif							/* CONFIG_INTERWORKING */
  	if (config->pbc_in_m1) {
  		fprintf(f, "pbc_in_m1=%d\n", config->pbc_in_m1);
  	}
  	if (config->wps_nfc_pw_from_config) {
  		if (config->wps_nfc_dev_pw_id) {
  			fprintf(f, "wps_nfc_dev_pw_id=%d\n", config->wps_nfc_dev_pw_id);
  		}
  		write_global_bin(f, "wps_nfc_dh_pubkey", config->wps_nfc_dh_pubkey);
  		write_global_bin(f, "wps_nfc_dh_privkey", config->wps_nfc_dh_privkey);
  		write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
  	}
  
  	if (config->ext_password_backend) {
  		fprintf(f, "ext_password_backend=%s\n", config->ext_password_backend);
  	}
  	if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY) {
  		fprintf(f, "p2p_go_max_inactivity=%d\n", config->p2p_go_max_inactivity);
  	}
  	if (config->auto_interworking) {
  		fprintf(f, "auto_interworking=%d\n", config->auto_interworking);
  	}
  	if (config->okc) {
  		fprintf(f, "okc=%d\n", config->okc);
  	}
  	if (config->pmf) {
  		fprintf(f, "pmf=%d\n", config->pmf);
  	}
  	if (config->dtim_period) {
  		fprintf(f, "dtim_period=%d\n", config->dtim_period);
  	}
  	if (config->beacon_int) {
  		fprintf(f, "beacon_int=%d\n", config->beacon_int);
  	}
  
  	if (config->sae_groups) {
  		int i;
  		fprintf(f, "sae_groups=");
  		for (i = 0; config->sae_groups[i] >= 0; i++) {
  			fprintf(f, "%s%d", i > 0 ? " " : "", config->sae_groups[i]);
  		}
  		fprintf(f, "\n");
  	}
  
  	if (config->ap_vendor_elements) {
  		int i, len = wpabuf_len(config->ap_vendor_elements);
  		const u8 *p = wpabuf_head_u8(config->ap_vendor_elements);
  		if (len > 0) {
  			fprintf(f, "ap_vendor_elements=");
  			for (i = 0; i < len; i++) {
  				fprintf(f, "%02x", *p++);
  			}
  			fprintf(f, "\n");
  		}
  	}
  
  	if (config->ignore_old_scan_res) {
  		fprintf(f, "ignore_old_scan_res=%d\n", config->ignore_old_scan_res);
  	}
  
  	if (config->freq_list && config->freq_list[0]) {
  		int i;
  		fprintf(f, "freq_list=");
  		for (i = 0; config->freq_list[i]; i++) {
  			fprintf(f, "%s%d", i > 0 ? " " : "", config->freq_list[i]);
  		}
  		fprintf(f, "\n");
  	}
  	if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ) {
  		fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq);
  	}
  
  	if (config->sched_scan_interval) {
  		fprintf(f, "sched_scan_interval=%u\n", config->sched_scan_interval);
  	}
  
  	if (config->external_sim) {
  		fprintf(f, "external_sim=%d\n", config->external_sim);
  	}
  
  	if (config->tdls_external_control) {
  		fprintf(f, "tdls_external_control=%d\n", config->tdls_external_control);
  	}
  
  	if (config->wowlan_triggers) {
  		fprintf(f, "wowlan_triggers=%s\n", config->wowlan_triggers);
  	}
  
  	if (config->bgscan) {
  		fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
  	}
  
  	if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY) {
  		fprintf(f, "p2p_search_delay=%u\n", config->p2p_search_delay);
  	}
  
  	if (config->mac_addr) {
  		fprintf(f, "mac_addr=%d\n", config->mac_addr);
  	}
  
  	if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME) {
  		fprintf(f, "rand_addr_lifetime=%u\n", config->rand_addr_lifetime);
  	}
  
  	if (config->preassoc_mac_addr) {
  		fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr);
  	}
  
  	if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD) {
  		fprintf(f, "key_mgmt_offload=%d\n", config->key_mgmt_offload);
  	}
  
  	if (config->user_mpm != DEFAULT_USER_MPM) {
  		fprintf(f, "user_mpm=%d\n", config->user_mpm);
  	}
  
  	if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS) {
  		fprintf(f, "max_peer_links=%d\n", config->max_peer_links);
  	}
  
  	if (config->cert_in_cb != DEFAULT_CERT_IN_CB) {
  		fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb);
  	}
  
  	if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY) {
  		fprintf(f, "mesh_max_inactivity=%d\n", config->mesh_max_inactivity);
  	}
  
  	if (config->passive_scan) {
  		fprintf(f, "passive_scan=%d\n", config->passive_scan);
  	}
  
  	if (config->reassoc_same_bss_optim) {
  		fprintf(f, "reassoc_same_bss_optim=%d\n", config->reassoc_same_bss_optim);
  	}
  
  	if (config->wps_priority) {
  		fprintf(f, "wps_priority=%d\n", config->wps_priority);
  	}
  }
  
  #endif							/* CONFIG_NO_CONFIG_WRITE */
  
  int wpa_config_write(const char *name, struct wpa_config *config)
  {
  #ifndef CONFIG_NO_CONFIG_WRITE
  	FILE *f;
  	struct wpa_ssid *ssid;
  	struct wpa_cred *cred;
  #ifndef CONFIG_NO_CONFIG_BLOBS
  	struct wpa_config_blob *blob;
  #endif							/* CONFIG_NO_CONFIG_BLOBS */
  	int ret = 0;
  	const char *orig_name = name;
  	int tmp_len = os_strlen(name) + 5;	/* allow space for .tmp suffix */
  	char *tmp_name = os_malloc(tmp_len);
  
  	if (tmp_name) {
  		os_snprintf(tmp_name, tmp_len, "%s.tmp", name);
  		name = tmp_name;
  	}
  
  	wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
  
  	f = fopen(name, "w");
  	if (f == NULL) {
  		wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
  		os_free(tmp_name);
  		return -1;
  	}
  
  	wpa_config_write_global(f, config);
  
  	for (cred = config->cred; cred; cred = cred->next) {
  		if (cred->temporary) {
  			continue;
  		}
  		fprintf(f, "\ncred={\n");
  		wpa_config_write_cred(f, cred);
  		fprintf(f, "}\n");
  	}
  
  	for (ssid = config->ssid; ssid; ssid = ssid->next) {
  		if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary) {
  			continue;    /* do not save temporary networks */
  		}
  		if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && !ssid->passphrase) {
  			continue;    /* do not save invalid network */
  		}
  		fprintf(f, "\nnetwork={\n");
  		wpa_config_write_network(f, ssid);
  		fprintf(f, "}\n");
  	}
  
  #ifndef CONFIG_NO_CONFIG_BLOBS
  	for (blob = config->blobs; blob; blob = blob->next) {
  		ret = wpa_config_write_blob(f, blob);
  		if (ret) {
  			break;
  		}
  	}
  #endif							/* CONFIG_NO_CONFIG_BLOBS */
  
  	os_fsync(f);
  
  	fclose(f);
  
  	if (tmp_name) {
  		int chmod_ret = 0;
  
  #ifdef ANDROID
  		chmod_ret = chmod(tmp_name, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
  #endif							/* ANDROID */
  		struct stat buffer;
  		if (stat(orig_name, &buffer) == 0) {
  			/* if file already exist then delete */
  			if (unlink(orig_name) != 0) {
  				wpa_printf(MSG_ERROR, "Remove error=%d", errno);
  			}
  		}
  		if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0) {
  			wpa_printf(MSG_ERROR, "Rename error=%d", errno);
  			ret = -1;
  		}
  		os_free(tmp_name);
  	}
  
  	wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully", orig_name, ret ? "un" : "");
  	return ret;
  #else							/* CONFIG_NO_CONFIG_WRITE */
  	return -1;
  #endif							/* CONFIG_NO_CONFIG_WRITE */
  }
  