vendor/wpa/2.4

1 files changed, 351 insertions, 17 deletions

diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index 8f32cc8d91e4a..3d3a6e404fd8a 100644
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -11,6 +11,9 @@
  */
 
 #include "includes.h"
+#ifdef ANDROID
+#include <sys/stat.h>
+#endif /* ANDROID */
 
 #include "common.h"
 #include "config.h"
@@ -143,6 +146,15 @@ static int wpa_config_validate_network(struct wpa_ssid *ssid, int 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;
 }
 
@@ -158,6 +170,7 @@ static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
 	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);
@@ -218,6 +231,7 @@ static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id)
 	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) {
@@ -345,23 +359,34 @@ static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
 #endif /* CONFIG_NO_CONFIG_BLOBS */
 
 
-struct wpa_config * wpa_config_read(const char *name)
+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 = NULL, *head = NULL;
-	struct wpa_cred *cred, *cred_tail = NULL, *cred_head = NULL;
+	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;
 
-	config = wpa_config_alloc_empty(NULL, NULL);
+	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");
@@ -586,7 +611,7 @@ static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
 	int res;
 
 	res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
-	if (res < 0 || (size_t) res >= sizeof(field))
+	if (os_snprintf_error(sizeof(field), res))
 		return;
 	value = wpa_config_get(ssid, field);
 	if (value) {
@@ -597,6 +622,16 @@ static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
 
 
 #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");
@@ -605,6 +640,20 @@ static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid)
 	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 */
 
 
@@ -621,6 +670,8 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
 	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);
 	write_proto(f, ssid);
 	write_key_mgmt(f, ssid);
@@ -630,6 +681,7 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
 	write_auth_alg(f, ssid);
 	STR(bgscan);
 	STR(autoscan);
+	STR(scan_freq);
 #ifdef IEEE8021X_EAPOL
 	write_eap(f, ssid);
 	STR(identity);
@@ -643,6 +695,8 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
 	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);
@@ -651,6 +705,8 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
 	STR(dh_file2);
 	STR(subject_match2);
 	STR(altsubject_match2);
+	STR(domain_suffix_match2);
+	STR(domain_match2);
 	STR(phase1);
 	STR(phase2);
 	STR(pcsc);
@@ -667,6 +723,8 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
 	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);
@@ -676,20 +734,78 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
 	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
@@ -699,6 +815,8 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
 
 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)
@@ -724,10 +842,12 @@ static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
 		fprintf(f, "\timsi=\"%s\"\n", cred->imsi);
 	if (cred->milenage)
 		fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage);
-	if (cred->domain)
-		fprintf(f, "\tdomain=\"%s\"\n", cred->domain);
+	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) {
-		size_t i;
 		fprintf(f, "\troaming_consortium=");
 		for (i = 0; i < cred->roaming_consortium_len; i++)
 			fprintf(f, "%02x", cred->roaming_consortium[i]);
@@ -737,14 +857,15 @@ static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
 		const char *name;
 		name = eap_get_name(cred->eap_method[0].vendor,
 				    cred->eap_method[0].method);
-		fprintf(f, "\teap=%s\n", name);
+		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 i, j;
+		size_t j;
 		for (i = 0; i < cred->num_excluded_ssid; i++) {
 			struct excluded_ssid *e = &cred->excluded_ssid[i];
 			fprintf(f, "\texcluded_ssid=");
@@ -753,6 +874,70 @@ static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred)
 			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);
 }
 
 
@@ -816,6 +1001,8 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 	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)
@@ -898,6 +1085,9 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 		fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss);
 	if (config->p2p_group_idle)
 		fprintf(f, "p2p_group_idle=%u\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=");
@@ -908,13 +1098,33 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 		}
 		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=%u\n", config->p2p_go_ht40);
+	if (config->p2p_go_vht)
+		fprintf(f, "p2p_go_vht=%u\n", config->p2p_go_vht);
+	if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW)
+		fprintf(f, "p2p_go_ctwindow=%u\n", config->p2p_go_ctwindow);
 	if (config->p2p_disabled)
 		fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled);
 	if (config->p2p_no_group_iface)
 		fprintf(f, "p2p_no_group_iface=%u\n",
 			config->p2p_no_group_iface);
+	if (config->p2p_ignore_shared_freq)
+		fprintf(f, "p2p_ignore_shared_freq=%u\n",
+			config->p2p_ignore_shared_freq);
 #endif /* CONFIG_P2P */
 	if (config->country[0] && config->country[1]) {
 		fprintf(f, "country=%c%c\n",
@@ -950,12 +1160,16 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 #endif /* CONFIG_INTERWORKING */
 	if (config->pbc_in_m1)
 		fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1);
-	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->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",
@@ -970,6 +1184,102 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 		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%u", 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=%u\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);
 }
 
 #endif /* CONFIG_NO_CONFIG_WRITE */
@@ -985,18 +1295,29 @@ int wpa_config_write(const char *name, struct wpa_config *config)
 	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");
@@ -1023,8 +1344,21 @@ int wpa_config_write(const char *name, struct wpa_config *config)
 
 	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",
-		   name, ret ? "un" : "");
+		   orig_name, ret ? "un" : "");
 	return ret;
 #else /* CONFIG_NO_CONFIG_WRITE */
 	return -1;