config.c

最新的Host AP 新添加了许多pcmcia 的驱动

			bss->dtim_period = atoi(pos);
			if (bss->dtim_period < 1 || bss->dtim_period > 255) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "dtim_period %d",
					   line, bss->dtim_period);
				errors++;
			}
		} else if (os_strcmp(buf, "rts_threshold") == 0) {
			conf->rts_threshold = atoi(pos);
			if (conf->rts_threshold < 0 ||
			    conf->rts_threshold > 2347) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "rts_threshold %d",
					   line, conf->rts_threshold);
				errors++;
			}
		} else if (os_strcmp(buf, "fragm_threshold") == 0) {
			conf->fragm_threshold = atoi(pos);
			if (conf->fragm_threshold < 256 ||
			    conf->fragm_threshold > 2346) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "fragm_threshold %d",
					   line, conf->fragm_threshold);
				errors++;
			}
		} else if (os_strcmp(buf, "send_probe_response") == 0) {
			int val = atoi(pos);
			if (val != 0 && val != 1) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "send_probe_response %d (expected "
					   "0 or 1)", line, val);
			} else
				conf->send_probe_response = val;
		} else if (os_strcmp(buf, "supported_rates") == 0) {
			if (hostapd_parse_rates(&conf->supported_rates, pos)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
					   "list", line);
				errors++;
			}
		} else if (os_strcmp(buf, "basic_rates") == 0) {
			if (hostapd_parse_rates(&conf->basic_rates, pos)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid rate "
					   "list", line);
				errors++;
			}
		} else if (os_strcmp(buf, "preamble") == 0) {
			if (atoi(pos))
				conf->preamble = SHORT_PREAMBLE;
			else
				conf->preamble = LONG_PREAMBLE;
		} else if (os_strcmp(buf, "ignore_broadcast_ssid") == 0) {
			bss->ignore_broadcast_ssid = atoi(pos);
		} else if (os_strcmp(buf, "bridge_packets") == 0) {
			conf->bridge_packets = atoi(pos);
		} else if (os_strcmp(buf, "wep_default_key") == 0) {
			bss->ssid.wep.idx = atoi(pos);
			if (bss->ssid.wep.idx > 3) {
				wpa_printf(MSG_ERROR, "Invalid "
					   "wep_default_key index %d",
					   bss->ssid.wep.idx);
				errors++;
			}
		} else if (os_strcmp(buf, "wep_key0") == 0 ||
			   os_strcmp(buf, "wep_key1") == 0 ||
			   os_strcmp(buf, "wep_key2") == 0 ||
			   os_strcmp(buf, "wep_key3") == 0) {
			if (hostapd_config_read_wep(&bss->ssid.wep,
						    buf[7] - '0', pos)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid WEP "
					   "key '%s'", line, buf);
				errors++;
			}
		} else if (os_strcmp(buf, "dynamic_vlan") == 0) {
			bss->ssid.dynamic_vlan = atoi(pos);
		} else if (os_strcmp(buf, "vlan_file") == 0) {
			if (hostapd_config_read_vlan_file(bss, pos)) {
				wpa_printf(MSG_ERROR, "Line %d: failed to "
					   "read VLAN file '%s'", line, pos);
				errors++;
			}
#ifdef CONFIG_FULL_DYNAMIC_VLAN
		} else if (os_strcmp(buf, "vlan_tagged_interface") == 0) {
			bss->ssid.vlan_tagged_interface = os_strdup(pos);
#endif /* CONFIG_FULL_DYNAMIC_VLAN */
		} else if (os_strcmp(buf, "passive_scan_interval") == 0) {
			conf->passive_scan_interval = atoi(pos);
		} else if (os_strcmp(buf, "passive_scan_listen") == 0) {
			conf->passive_scan_listen = atoi(pos);
		} else if (os_strcmp(buf, "passive_scan_mode") == 0) {
			conf->passive_scan_mode = atoi(pos);
		} else if (os_strcmp(buf, "ap_table_max_size") == 0) {
			conf->ap_table_max_size = atoi(pos);
		} else if (os_strcmp(buf, "ap_table_expiration_time") == 0) {
			conf->ap_table_expiration_time = atoi(pos);
		} else if (os_strncmp(buf, "tx_queue_", 9) == 0) {
			if (hostapd_config_tx_queue(conf, buf, pos)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid TX "
					   "queue item", line);
				errors++;
			}
		} else if (os_strcmp(buf, "wme_enabled") == 0) {
			bss->wme_enabled = atoi(pos);
		} else if (os_strncmp(buf, "wme_ac_", 7) == 0) {
			if (hostapd_config_wme_ac(conf, buf, pos)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid wme "
					   "ac item", line);
				errors++;
			}
		} else if (os_strcmp(buf, "bss") == 0) {
			if (hostapd_config_bss(conf, pos)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid bss "
					   "item", line);
				errors++;
			}
		} else if (os_strcmp(buf, "bssid") == 0) {
			if (bss == conf->bss &&
			    (!conf->driver || !conf->driver->init_bssid)) {
				wpa_printf(MSG_ERROR, "Line %d: bssid item "
					   "not allowed for the default "
					   "interface and this driver", line);
				errors++;
			} else if (hwaddr_aton(pos, bss->bssid)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid bssid "
					   "item", line);
				errors++;
			}
#ifdef CONFIG_IEEE80211W
		} else if (os_strcmp(buf, "ieee80211w") == 0) {
			bss->ieee80211w = atoi(pos);
		} else if (os_strcmp(buf, "assoc_sa_query_max_timeout") == 0) {
			bss->assoc_sa_query_max_timeout = atoi(pos);
			if (bss->assoc_sa_query_max_timeout == 0) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "assoc_sa_query_max_timeout", line);
				errors++;
			}
		} else if (os_strcmp(buf, "assoc_sa_query_retry_timeout") == 0)
		{
			bss->assoc_sa_query_retry_timeout = atoi(pos);
			if (bss->assoc_sa_query_retry_timeout == 0) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "assoc_sa_query_retry_timeout",
					   line);
				errors++;
			}
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_IEEE80211N
		} else if (os_strcmp(buf, "ieee80211n") == 0) {
			conf->ieee80211n = atoi(pos);
		} else if (os_strcmp(buf, "ht_capab") == 0) {
			if (hostapd_config_ht_capab(conf, pos) < 0) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "ht_capab", line);
				errors++;
			}
#endif /* CONFIG_IEEE80211N */
		} else if (os_strcmp(buf, "max_listen_interval") == 0) {
			bss->max_listen_interval = atoi(pos);
		} else if (os_strcmp(buf, "okc") == 0) {
			bss->okc = atoi(pos);
#ifdef CONFIG_WPS
		} else if (os_strcmp(buf, "wps_state") == 0) {
			bss->wps_state = atoi(pos);
			if (bss->wps_state < 0 || bss->wps_state > 2) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "wps_state", line);
				errors++;
			}
		} else if (os_strcmp(buf, "ap_setup_locked") == 0) {
			bss->ap_setup_locked = atoi(pos);
		} else if (os_strcmp(buf, "uuid") == 0) {
			if (uuid_str2bin(pos, bss->uuid)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid UUID",
					   line);
				errors++;
			}
		} else if (os_strcmp(buf, "wps_pin_requests") == 0) {
			os_free(bss->wps_pin_requests);
			bss->wps_pin_requests = os_strdup(pos);
		} else if (os_strcmp(buf, "device_name") == 0) {
			if (os_strlen(pos) > 32) {
				wpa_printf(MSG_ERROR, "Line %d: Too long "
					   "device_name", line);
				errors++;
			}
			os_free(bss->device_name);
			bss->device_name = os_strdup(pos);
		} else if (os_strcmp(buf, "manufacturer") == 0) {
			if (os_strlen(pos) > 64) {
				wpa_printf(MSG_ERROR, "Line %d: Too long "
					   "manufacturer", line);
				errors++;
			}
			os_free(bss->manufacturer);
			bss->manufacturer = os_strdup(pos);
		} else if (os_strcmp(buf, "model_name") == 0) {
			if (os_strlen(pos) > 32) {
				wpa_printf(MSG_ERROR, "Line %d: Too long "
					   "model_name", line);
				errors++;
			}
			os_free(bss->model_name);
			bss->model_name = os_strdup(pos);
		} else if (os_strcmp(buf, "model_number") == 0) {
			if (os_strlen(pos) > 32) {
				wpa_printf(MSG_ERROR, "Line %d: Too long "
					   "model_number", line);
				errors++;
			}
			os_free(bss->model_number);
			bss->model_number = os_strdup(pos);
		} else if (os_strcmp(buf, "serial_number") == 0) {
			if (os_strlen(pos) > 32) {
				wpa_printf(MSG_ERROR, "Line %d: Too long "
					   "serial_number", line);
				errors++;
			}
			os_free(bss->serial_number);
			bss->serial_number = os_strdup(pos);
		} else if (os_strcmp(buf, "device_type") == 0) {
			os_free(bss->device_type);
			bss->device_type = os_strdup(pos);
		} else if (os_strcmp(buf, "config_methods") == 0) {
			os_free(bss->config_methods);
			bss->config_methods = os_strdup(pos);
		} else if (os_strcmp(buf, "os_version") == 0) {
			if (hexstr2bin(pos, bss->os_version, 4)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "os_version", line);
				errors++;
			}
		} else if (os_strcmp(buf, "ap_pin") == 0) {
			os_free(bss->ap_pin);
			bss->ap_pin = os_strdup(pos);
		} else if (os_strcmp(buf, "skip_cred_build") == 0) {
			bss->skip_cred_build = atoi(pos);
		} else if (os_strcmp(buf, "extra_cred") == 0) {
			os_free(bss->extra_cred);
			bss->extra_cred =
				(u8 *) os_readfile(pos, &bss->extra_cred_len);
			if (bss->extra_cred == NULL) {
				wpa_printf(MSG_ERROR, "Line %d: could not "
					   "read Credentials from '%s'",
					   line, pos);
				errors++;
			}
		} else if (os_strcmp(buf, "wps_cred_processing") == 0) {
			bss->wps_cred_processing = atoi(pos);
		} else if (os_strcmp(buf, "ap_settings") == 0) {
			os_free(bss->ap_settings);
			bss->ap_settings =
				(u8 *) os_readfile(pos, &bss->ap_settings_len);
			if (bss->ap_settings == NULL) {
				wpa_printf(MSG_ERROR, "Line %d: could not "
					   "read AP Settings from '%s'",
					   line, pos);
				errors++;
			}
		} else if (os_strcmp(buf, "upnp_iface") == 0) {
			bss->upnp_iface = os_strdup(pos);
		} else if (os_strcmp(buf, "friendly_name") == 0) {
			os_free(bss->friendly_name);
			bss->friendly_name = os_strdup(pos);
		} else if (os_strcmp(buf, "manufacturer_url") == 0) {
			os_free(bss->manufacturer_url);
			bss->manufacturer_url = os_strdup(pos);
		} else if (os_strcmp(buf, "model_description") == 0) {
			os_free(bss->model_description);
			bss->model_description = os_strdup(pos);
		} else if (os_strcmp(buf, "model_url") == 0) {
			os_free(bss->model_url);
			bss->model_url = os_strdup(pos);
		} else if (os_strcmp(buf, "upc") == 0) {
			os_free(bss->upc);
			bss->upc = os_strdup(pos);
#endif /* CONFIG_WPS */
		} else {
			wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
				   "item '%s'", line, buf);
			errors++;
		}
	}

	fclose(f);

	if (bss->individual_wep_key_len == 0) {
		/* individual keys are not use; can use key idx0 for broadcast
		 * keys */
		bss->broadcast_key_idx_min = 0;
	}

	/* Select group cipher based on the enabled pairwise cipher suites */
	pairwise = 0;
	if (bss->wpa & 1)
		pairwise |= bss->wpa_pairwise;
	if (bss->wpa & 2) {
		if (bss->rsn_pairwise == 0)
			bss->rsn_pairwise = bss->wpa_pairwise;
		pairwise |= bss->rsn_pairwise;
	}
	if (pairwise & WPA_CIPHER_TKIP)
		bss->wpa_group = WPA_CIPHER_TKIP;
	else
		bss->wpa_group = WPA_CIPHER_CCMP;

	for (i = 0; i < conf->num_bss; i++) {
		bss = &conf->bss[i];

		bss->radius->auth_server = bss->radius->auth_servers;
		bss->radius->acct_server = bss->radius->acct_servers;

		if (bss->wpa && bss->ieee802_1x) {
			bss->ssid.security_policy = SECURITY_WPA;
		} else if (bss->wpa) {
			bss->ssid.security_policy = SECURITY_WPA_PSK;
		} else if (bss->ieee802_1x) {
			bss->ssid.security_policy = SECURITY_IEEE_802_1X;
			bss->ssid.wep.default_len = bss->default_wep_key_len;
		} else if (bss->ssid.wep.keys_set)
			bss->ssid.security_policy = SECURITY_STATIC_WEP;
		else
			bss->ssid.security_policy = SECURITY_PLAINTEXT;
	}

	if (hostapd_config_check(conf))
		errors++;

	if (errors) {
		wpa_printf(MSG_ERROR, "%d errors found in configuration file "
			   "'%s'", errors, fname);
		hostapd_config_free(conf);
		conf = NULL;
	}

	return conf;
}


int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b)
{
	int i;

	if (a->idx != b->idx || a->default_len != b->default_len)
		return 1;
	for (i = 0; i < NUM_WEP_KEYS; i++)
		if (a->len[i] != b->len[i] ||
		    os_memcmp(a->key[i], b->key[i], a->len[i]) != 0)
			return 1;
	return 0;
}


static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
				       int num_servers)
{
	int i;

	for (i = 0; i < num_servers; i++) {
		os_free(servers[i].shared_secret);
	}
	os_free(servers);
}


static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
{
	os_free(user->identity);
	os_free(user->password);
	os_free(user);
}


static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
{
	int i;
	for (i = 0; i < NUM_WEP_KEYS; i++) {
		os_free(keys->key[i]);
		keys->key[i] = NULL;
	}
}


static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
{
	struct hostapd_wpa_psk *psk, *prev;
	struct hostapd_eap_user *user, *prev_user;

	if (conf == NULL)
		return;

	psk = conf->ssid.wpa_psk;
	while (psk) {
		prev = psk;
		psk = psk->next;
		os_free(prev);
	}

	os_free(conf->ssid.wpa_passphrase);
	os_free(conf->ssid.wpa_psk_file);
#ifdef CONFIG_FULL_DYNAMIC_VLAN
	os_free(conf->ssid.vlan_tagged_interface);
#endif /* CONFIG_FULL_DYNAMIC_VLAN */

	user = conf->eap_user;
	while (user) {
		prev_user = user;
		user = user->next;
		hostapd_config_free_eap_user(prev_user);
	}

	os_free(conf->dump_log_name);
	os_free(conf->eap_req_id_text);
	os_free(conf->accept_mac);
	os_free(conf->deny_mac);
	os_free(conf->nas_identifier);
	hostapd_config_free_radius(conf->radius->auth_servers,
				   conf->radius->num_auth_servers);
	hostapd_config_free_radius(conf->radius->acct_servers,
				   conf->radius->num_acct_servers);
	os_free(conf->rsn_preauth_interfaces);
	os_free(conf->ctrl_interface);
	os_free(conf->ca_cert);
	os_free(conf->server_cert);
	os_free(conf->private_key);
	os_free(conf->private_key_passwd);
	os_free(conf->dh_file);
	os_free(conf->pac_opaque_encr_key);
	os_free(conf->eap_fast_a_id);
	os_free(conf->eap_fast_a_id_info);
	os_free(conf->eap_sim_db);
	os_free(conf->radius_server_clients);
	os_free(conf->test_socket);
	os_free(conf->radius);
	hostapd_config_free_vlan(conf);
	if (conf->ssid.dyn_vlan_keys) {
		struct hostapd_ssid *ssid = &conf->ssid;
		size_t i;
		for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
			if (ssid->dyn_vlan_keys[i] == NULL)
				continue;
			hostapd_config_free_wep(ssid->dyn_vlan_keys[i]);
			os_free(ssid->dyn_vlan_keys[i]);
		}
		os_free(ssid->dyn_vlan_keys);
		ssid->dyn_vlan_keys = NULL;
	}

#ifdef CONFIG_IEEE80211R
	{
		struct ft_remote_r0kh *r0kh, *r0kh_prev;
		struct ft_remote_r1kh *r1kh, *r1kh_prev;

		r0kh = conf->r0kh_list;
		conf->r0kh_list = NULL;
		while (r0kh) {
			r0kh_prev = r0kh;
			r0kh = r0kh->next;
			os_free(r0kh_prev);
		}

		r1kh = conf->r1kh_list;
		conf->r1kh_list = NULL;
		while (r1kh) {
			r1kh_prev = r1kh;
			r1kh = r1kh->next;
			os_free(r1kh_prev);
		}
	}
#endif /* CONFIG_IEEE80211R */

#ifdef CONFIG_WPS
	os_free(conf->wps_pin_requests);
	os_free(conf->device_name);
	os_free(conf->manufacturer);
	os_free(conf->model_name);
	os_free(conf->model_number);
	os_free(conf->serial_number);
	os_free(conf->device_type);
	os_free(conf->config_methods);
	os_free(conf->ap_pin);
	os_free(conf->extra_cred);
	os_free(conf->ap_settings);
	os_free(conf->upnp_iface);
	os_free(conf->friendly_name);
	os_free(conf->manufacturer_url);
	os_free(conf->model_description);
	os_free(conf->model_url);
	os_free(conf->upc);