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"
  #ifdef ANDROID
  #include <sys/stat.h>
  #endif /* ANDROID */
  
  #include "common.h"
  #include "config.h"
  #include "base64.h"
  #include "uuid.h"
  #include "common/ieee802_1x_defs.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->disabled == 2)
  		ssid->p2p_persistent_group = 1;
  
  	if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
  	    !(ssid->pairwise_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_CCMP_256 |
  				       WPA_CIPHER_GCMP | WPA_CIPHER_GCMP_256 |
  				       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 || !encoded) {
  		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));
  		if (config != cfgp)
  			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) {
  		if (config != cfgp)
  			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_bssid_hint(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value = wpa_config_get(ssid, "bssid_hint");
  
  	if (!value)
  		return;
  	fprintf(f, "\tbssid_hint=%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_group_mgmt(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (!ssid->group_mgmt_cipher)
  		return;
  
  	value = wpa_config_get(ssid, "group_mgmt");
  	if (!value)
  		return;
  	if (value[0])
  		fprintf(f, "\tgroup_mgmt=%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 */
  
  
  #ifdef CONFIG_MACSEC
  
  static void write_mka_cak(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (!(ssid->mka_psk_set & MKA_PSK_SET_CAK))
  		return;
  
  	value = wpa_config_get(ssid, "mka_cak");
  	if (!value)
  		return;
  	fprintf(f, "\tmka_cak=%s\n", value);
  	os_free(value);
  }
  
  
  static void write_mka_ckn(FILE *f, struct wpa_ssid *ssid)
  {
  	char *value;
  
  	if (!(ssid->mka_psk_set & MKA_PSK_SET_CKN))
  		return;
  
  	value = wpa_config_get(ssid, "mka_ckn");
  	if (!value)
  		return;
  	fprintf(f, "\tmka_ckn=%s\n", value);
  	os_free(value);
  }
  
  #endif /* CONFIG_MACSEC */
  
  
  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_bssid_hint(f, ssid);
  	write_str(f, "bssid_blacklist", ssid);
  	write_str(f, "bssid_whitelist", ssid);
  	write_psk(f, ssid);
  	INT(mem_only_psk);
  	STR(sae_password);
  	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_group_mgmt(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(imsi_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);
  #ifdef CONFIG_ACS
  	INT(acs);
  #endif /* CONFIG_ACS */
  	write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1);
  	INT(disabled);
  	INT(mixed_cell);
  	INT(vht);
  	INT_DEF(ht, 1);
  	INT(ht40);
  	INT(max_oper_chwidth);
  	INT(vht_center_freq1);
  	INT(vht_center_freq2);
  	INT(pbss);
  	INT(wps_disabled);
  	INT(fils_dh_group);
  #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);
  	write_mka_cak(f, ssid);
  	write_mka_ckn(f, ssid);
  	INT(macsec_integ_only);
  	INT(macsec_port);
  	INT_DEF(mka_priority, DEFAULT_PRIO_NOT_KEY_SERVER);
  #endif /* CONFIG_MACSEC */
  #ifdef CONFIG_HS20
  	INT(update_identifier);
  	STR(roaming_consortium_selection);
  #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);
  	INT_DEF(mesh_rssi_threshold, DEFAULT_MESH_RSSI_THRESHOLD);
  #endif /* CONFIG_MESH */
  	INT(wpa_ptk_rekey);
  	INT(group_rekey);
  	INT(ignore_broadcast_ssid);
  #ifdef CONFIG_DPP
  	STR(dpp_connector);
  	STR(dpp_netaccesskey);
  	INT(dpp_netaccesskey_expiry);
  	STR(dpp_csign);
  #endif /* CONFIG_DPP */
  	INT(owe_group);
  	INT(owe_only);
  #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->num_roaming_consortiums) {
  		size_t j;
  
  		fprintf(f, "\troaming_consortiums=\"");
  		for (i = 0; i < cred->num_roaming_consortiums; i++) {
  			if (i > 0)
  				fprintf(f, ",");
  			for (j = 0; j < cred->roaming_consortiums_len[i]; j++)
  				fprintf(f, "%02x",
  					cred->roaming_consortiums[i][j]);
  		}
  		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->auto_uuid)
  		fprintf(f, "auto_uuid=%d\n", config->auto_uuid);
  	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
  	{
  		int i;
  		char _buf[WPS_DEV_TYPE_BUFSIZE], *buf;
  
  		for (i = 0; i < config->num_sec_device_types; i++) {
  			buf = wps_dev_type_bin2str(config->sec_device_type[i],
  						   _buf, sizeof(_buf));
  			if (buf)
  				fprintf(f, "sec_device_type=%s\n", buf);
  		}
  	}
  	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);
  	if (config->p2p_go_freq_change_policy != DEFAULT_P2P_GO_FREQ_MOVE)
  		fprintf(f, "p2p_go_freq_change_policy=%u\n",
  			config->p2p_go_freq_change_policy);
  	if (WPA_GET_BE32(config->ip_addr_go))
  		fprintf(f, "ip_addr_go=%u.%u.%u.%u\n",
  			config->ip_addr_go[0], config->ip_addr_go[1],
  			config->ip_addr_go[2], config->ip_addr_go[3]);
  	if (WPA_GET_BE32(config->ip_addr_mask))
  		fprintf(f, "ip_addr_mask=%u.%u.%u.%u\n",
  			config->ip_addr_mask[0], config->ip_addr_mask[1],
  			config->ip_addr_mask[2], config->ip_addr_mask[3]);
  	if (WPA_GET_BE32(config->ip_addr_start))
  		fprintf(f, "ip_addr_start=%u.%u.%u.%u\n",
  			config->ip_addr_start[0], config->ip_addr_start[1],
  			config->ip_addr_start[2], config->ip_addr_start[3]);
  	if (WPA_GET_BE32(config->ip_addr_end))
  		fprintf(f, "ip_addr_end=%u.%u.%u.%u\n",
  			config->ip_addr_end[0], config->ip_addr_end[1],
  			config->ip_addr_end[2], config->ip_addr_end[3]);
  #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->filter_rssi)
  		fprintf(f, "filter_rssi=%d\n", config->filter_rssi);
  	if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
  		fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
  	if (config->ap_isolate != DEFAULT_AP_ISOLATE)
  		fprintf(f, "ap_isolate=%u\n", config->ap_isolate);
  	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);
  	if (config->go_interworking)
  		fprintf(f, "go_interworking=%d\n", config->go_interworking);
  	if (config->go_access_network_type)
  		fprintf(f, "go_access_network_type=%d\n",
  			config->go_access_network_type);
  	if (config->go_internet)
  		fprintf(f, "go_internet=%d\n", config->go_internet);
  	if (config->go_venue_group)
  		fprintf(f, "go_venue_group=%d\n", config->go_venue_group);
  	if (config->go_venue_type)
  		fprintf(f, "go_venue_type=%d\n", config->go_venue_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->sched_scan_start_delay)
  		fprintf(f, "sched_scan_start_delay=%u\n",
  			config->sched_scan_start_delay);
  
  	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->autoscan)
  		fprintf(f, "autoscan=%s\n", config->autoscan);
  
  	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->dot11RSNASAERetransPeriod !=
  	    DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD)
  		fprintf(f, "dot11RSNASAERetransPeriod=%d\n",
  			config->dot11RSNASAERetransPeriod);
  
  	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);
  
  	if (config->wpa_rsc_relaxation != DEFAULT_WPA_RSC_RELAXATION)
  		fprintf(f, "wpa_rsc_relaxation=%d\n",
  			config->wpa_rsc_relaxation);
  
  	if (config->sched_scan_plans)
  		fprintf(f, "sched_scan_plans=%s\n", config->sched_scan_plans);
  
  #ifdef CONFIG_MBO
  	if (config->non_pref_chan)
  		fprintf(f, "non_pref_chan=%s\n", config->non_pref_chan);
  	if (config->mbo_cell_capa != DEFAULT_MBO_CELL_CAPA)
  		fprintf(f, "mbo_cell_capa=%u\n", config->mbo_cell_capa);
  	if (config->disassoc_imminent_rssi_threshold !=
  	    DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD)
  		fprintf(f, "disassoc_imminent_rssi_threshold=%d\n",
  			config->disassoc_imminent_rssi_threshold);
  	if (config->oce != DEFAULT_OCE_SUPPORT)
  		fprintf(f, "oce=%u\n", config->oce);
  #endif /* CONFIG_MBO */
  
  	if (config->gas_address3)
  		fprintf(f, "gas_address3=%d\n", config->gas_address3);
  
  	if (config->ftm_responder)
  		fprintf(f, "ftm_responder=%d\n", config->ftm_responder);
  	if (config->ftm_initiator)
  		fprintf(f, "ftm_initiator=%d\n", config->ftm_initiator);
  
  	if (config->osu_dir)
  		fprintf(f, "osu_dir=%s\n", config->osu_dir);
  
  	if (config->fst_group_id)
  		fprintf(f, "fst_group_id=%s\n", config->fst_group_id);
  	if (config->fst_priority)
  		fprintf(f, "fst_priority=%d\n", config->fst_priority);
  	if (config->fst_llt)
  		fprintf(f, "fst_llt=%d\n", config->fst_llt);
  
  	if (config->gas_rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME)
  		fprintf(f, "gas_rand_addr_lifetime=%u\n",
  			config->gas_rand_addr_lifetime);
  	if (config->gas_rand_mac_addr)
  		fprintf(f, "gas_rand_mac_addr=%d\n", config->gas_rand_mac_addr);
  	if (config->dpp_config_processing)
  		fprintf(f, "dpp_config_processing=%d\n",
  			config->dpp_config_processing);
  
  }
  
  #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_fdatasync(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 */
  		if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0)
  			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 */
  }
  